X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=avconv.c;h=8d8c802f56f1f1c244c8f8b7422a2e80b01fbfb8;hb=ccc71298456d97f64f539e303c771d04dcb33c53;hp=21168a7b7e27c55b03fa1a12e30094f3a3ed8f33;hpb=74b961db77b5d3328f6c1eafde327cd0af23d0d6;p=ffmpeg diff --git a/avconv.c b/avconv.c index 21168a7b7e2..8d8c802f56f 100644 --- a/avconv.c +++ b/avconv.c @@ -27,16 +27,14 @@ #include #include #include -#include #include "libavformat/avformat.h" #include "libavdevice/avdevice.h" #include "libswscale/swscale.h" #include "libavresample/avresample.h" #include "libavutil/opt.h" -#include "libavutil/audioconvert.h" +#include "libavutil/channel_layout.h" #include "libavutil/parseutils.h" #include "libavutil/samplefmt.h" -#include "libavutil/colorspace.h" #include "libavutil/fifo.h" #include "libavutil/intreadwrite.h" #include "libavutil/dict.h" @@ -45,17 +43,16 @@ #include "libavutil/avstring.h" #include "libavutil/libm.h" #include "libavutil/imgutils.h" +#include "libavutil/time.h" #include "libavformat/os_support.h" # include "libavfilter/avfilter.h" -# include "libavfilter/avfiltergraph.h" # include "libavfilter/buffersrc.h" # include "libavfilter/buffersink.h" -# include "libavfilter/vsrc_buffer.h" #if HAVE_SYS_RESOURCE_H -#include #include +#include #include #elif HAVE_GETPROCESSTIMES #include @@ -69,4471 +66,2241 @@ #include #endif +#if HAVE_PTHREADS +#include +#endif + #include +#include "avconv.h" #include "cmdutils.h" #include "libavutil/avassert.h" -#define VSYNC_AUTO -1 -#define VSYNC_PASSTHROUGH 0 -#define VSYNC_CFR 1 -#define VSYNC_VFR 2 - const char program_name[] = "avconv"; const int program_birth_year = 2000; -/* select an input stream for an output stream */ -typedef struct StreamMap { - int disabled; /** 1 is this mapping is disabled by a negative map */ - int file_index; - int stream_index; - int sync_file_index; - int sync_stream_index; - char *linklabel; /** name of an output link, for mapping lavfi outputs */ -} StreamMap; - -/** - * select an input file for an output file - */ -typedef struct MetadataMap { - int file; ///< file index - char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram - int index; ///< stream/chapter/program number -} MetadataMap; - -static const OptionDef options[]; - -static int video_discard = 0; -static int same_quant = 0; -static int do_deinterlace = 0; -static int intra_dc_precision = 8; -static int qp_hist = 0; - -static int file_overwrite = 0; -static int do_benchmark = 0; -static int do_hex_dump = 0; -static int do_pkt_dump = 0; -static int do_pass = 0; -static char *pass_logfilename_prefix = NULL; -static int video_sync_method = VSYNC_AUTO; -static int audio_sync_method = 0; -static float audio_drift_threshold = 0.1; -static int copy_ts = 0; -static int copy_tb = 1; -static int opt_shortest = 0; -static char *vstats_filename; static FILE *vstats_file; -static int audio_volume = 256; - -static int exit_on_error = 0; -static int using_stdin = 0; static int64_t video_size = 0; static int64_t audio_size = 0; static int64_t extra_size = 0; static int nb_frames_dup = 0; static int nb_frames_drop = 0; -static int input_sync; -static float dts_delta_threshold = 10; -static int print_stats = 1; -#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass" +#if HAVE_PTHREADS +/* signal to input threads that they should exit; set by the main thread */ +static int transcoding_finished; +#endif -typedef struct InputFilter { - AVFilterContext *filter; - struct InputStream *ist; - struct FilterGraph *graph; -} InputFilter; - -typedef struct OutputFilter { - AVFilterContext *filter; - struct OutputStream *ost; - struct FilterGraph *graph; - - /* temporary storage until stream maps are processed */ - AVFilterInOut *out_tmp; -} OutputFilter; - -typedef struct FilterGraph { - int index; - const char *graph_desc; - - AVFilterGraph *graph; - - InputFilter **inputs; - int nb_inputs; - OutputFilter **outputs; - int nb_outputs; -} FilterGraph; - -typedef struct FrameBuffer { - uint8_t *base[4]; - uint8_t *data[4]; - int linesize[4]; - - int h, w; - enum PixelFormat pix_fmt; - - int refcount; - struct InputStream *ist; - struct FrameBuffer *next; -} FrameBuffer; - -typedef struct InputStream { - int file_index; - AVStream *st; - int discard; /* true if stream data should be discarded */ - int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */ - AVCodec *dec; - AVFrame *decoded_frame; - - int64_t start; /* time when read started */ - /* predicted dts of the next packet read for this stream or (when there are - * several frames in a packet) of the next frame in current packet */ - int64_t next_dts; - /* dts of the last packet read for this stream */ - int64_t last_dts; - PtsCorrectionContext pts_ctx; - double ts_scale; - int is_start; /* is 1 at the start and after a discontinuity */ - int showed_multi_packet_warning; - AVDictionary *opts; - - int resample_height; - int resample_width; - int resample_pix_fmt; - - int resample_sample_fmt; - int resample_sample_rate; - int resample_channels; - uint64_t resample_channel_layout; - - /* a pool of free buffers for decoded data */ - FrameBuffer *buffer_pool; - - /* decoded data from this stream goes into all those filters - * currently video and audio only */ - InputFilter **filters; - int nb_filters; -} InputStream; - -typedef struct InputFile { - AVFormatContext *ctx; - int eof_reached; /* true if eof reached */ - int ist_index; /* index of first stream in ist_table */ - int buffer_size; /* current total buffer size */ - int64_t ts_offset; - int nb_streams; /* number of stream that avconv is aware of; may be different - from ctx.nb_streams if new streams appear during av_read_frame() */ - int rate_emu; -} InputFile; - -typedef struct OutputStream { - int file_index; /* file index */ - int index; /* stream index in the output file */ - int source_index; /* InputStream index */ - AVStream *st; /* stream in the output file */ - int encoding_needed; /* true if encoding needed for this stream */ - int frame_number; - /* input pts and corresponding output pts - for A/V sync */ - // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */ - struct InputStream *sync_ist; /* input stream to sync against */ - int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number - /* pts of the first frame encoded for this stream, used for limiting - * recording time */ - int64_t first_pts; - AVBitStreamFilterContext *bitstream_filters; - AVCodec *enc; - int64_t max_frames; - AVFrame *filtered_frame; - - /* video only */ - AVRational frame_rate; - int force_fps; - int top_field_first; - - float frame_aspect_ratio; - float last_quality; - - /* forced key frames */ - int64_t *forced_kf_pts; - int forced_kf_count; - int forced_kf_index; - - FILE *logfile; - - OutputFilter *filter; - char *avfilter; - - int64_t sws_flags; - AVDictionary *opts; - int is_past_recording_time; - int stream_copy; - const char *attachment_filename; - int copy_initial_nonkeyframes; - - enum PixelFormat pix_fmts[2]; -} OutputStream; - - -typedef struct OutputFile { - AVFormatContext *ctx; - AVDictionary *opts; - int ost_index; /* index of the first stream in output_streams */ - int64_t recording_time; /* desired length of the resulting file in microseconds */ - int64_t start_time; /* start time in microseconds */ - uint64_t limit_filesize; -} OutputFile; - -static InputStream **input_streams = NULL; -static int nb_input_streams = 0; -static InputFile **input_files = NULL; -static int nb_input_files = 0; - -static OutputStream **output_streams = NULL; -static int nb_output_streams = 0; -static OutputFile **output_files = NULL; -static int nb_output_files = 0; - -static FilterGraph **filtergraphs; -int nb_filtergraphs; - -typedef struct OptionsContext { - /* input/output options */ - int64_t start_time; - const char *format; - - SpecifierOpt *codec_names; - int nb_codec_names; - SpecifierOpt *audio_channels; - int nb_audio_channels; - SpecifierOpt *audio_sample_rate; - int nb_audio_sample_rate; - SpecifierOpt *frame_rates; - int nb_frame_rates; - SpecifierOpt *frame_sizes; - int nb_frame_sizes; - SpecifierOpt *frame_pix_fmts; - int nb_frame_pix_fmts; - - /* input options */ - int64_t input_ts_offset; - int rate_emu; - - SpecifierOpt *ts_scale; - int nb_ts_scale; - SpecifierOpt *dump_attachment; - int nb_dump_attachment; - - /* output options */ - StreamMap *stream_maps; - int nb_stream_maps; - /* first item specifies output metadata, second is input */ - MetadataMap (*meta_data_maps)[2]; - int nb_meta_data_maps; - int metadata_global_manual; - int metadata_streams_manual; - int metadata_chapters_manual; - const char **attachments; - int nb_attachments; - - int chapters_input_file; - - int64_t recording_time; - uint64_t limit_filesize; - float mux_preload; - float mux_max_delay; - - int video_disable; - int audio_disable; - int subtitle_disable; - int data_disable; - - /* indexed by output file stream index */ - int *streamid_map; - int nb_streamid_map; - - SpecifierOpt *metadata; - int nb_metadata; - SpecifierOpt *max_frames; - int nb_max_frames; - SpecifierOpt *bitstream_filters; - int nb_bitstream_filters; - SpecifierOpt *codec_tags; - int nb_codec_tags; - SpecifierOpt *sample_fmts; - int nb_sample_fmts; - SpecifierOpt *qscale; - int nb_qscale; - SpecifierOpt *forced_key_frames; - int nb_forced_key_frames; - SpecifierOpt *force_fps; - int nb_force_fps; - SpecifierOpt *frame_aspect_ratios; - int nb_frame_aspect_ratios; - SpecifierOpt *rc_overrides; - int nb_rc_overrides; - SpecifierOpt *intra_matrices; - int nb_intra_matrices; - SpecifierOpt *inter_matrices; - int nb_inter_matrices; - SpecifierOpt *top_field_first; - int nb_top_field_first; - SpecifierOpt *metadata_map; - int nb_metadata_map; - SpecifierOpt *presets; - int nb_presets; - SpecifierOpt *copy_initial_nonkeyframes; - int nb_copy_initial_nonkeyframes; - SpecifierOpt *filters; - int nb_filters; -} OptionsContext; - -#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ -{\ - int i, ret;\ - for (i = 0; i < o->nb_ ## name; i++) {\ - char *spec = o->name[i].specifier;\ - if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\ - outvar = o->name[i].u.type;\ - else if (ret < 0)\ - exit_program(1);\ - }\ -} +#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass" -static void reset_options(OptionsContext *o) -{ - const OptionDef *po = options; - int i; +InputStream **input_streams = NULL; +int nb_input_streams = 0; +InputFile **input_files = NULL; +int nb_input_files = 0; - /* all OPT_SPEC and OPT_STRING can be freed in generic way */ - while (po->name) { - void *dst = (uint8_t*)o + po->u.off; - - if (po->flags & OPT_SPEC) { - SpecifierOpt **so = dst; - int i, *count = (int*)(so + 1); - for (i = 0; i < *count; i++) { - av_freep(&(*so)[i].specifier); - if (po->flags & OPT_STRING) - av_freep(&(*so)[i].u.str); - } - av_freep(so); - *count = 0; - } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING) - av_freep(dst); - po++; - } +OutputStream **output_streams = NULL; +int nb_output_streams = 0; +OutputFile **output_files = NULL; +int nb_output_files = 0; - for (i = 0; i < o->nb_stream_maps; i++) - av_freep(&o->stream_maps[i].linklabel); - av_freep(&o->stream_maps); - av_freep(&o->meta_data_maps); - av_freep(&o->streamid_map); +FilterGraph **filtergraphs; +int nb_filtergraphs; - memset(o, 0, sizeof(*o)); +static void term_exit(void) +{ + av_log(NULL, AV_LOG_QUIET, ""); +} - o->mux_max_delay = 0.7; - o->recording_time = INT64_MAX; - o->limit_filesize = UINT64_MAX; - o->chapters_input_file = INT_MAX; +static volatile int received_sigterm = 0; +static volatile int received_nb_signals = 0; - uninit_opts(); - init_opts(); +static void +sigterm_handler(int sig) +{ + received_sigterm = sig; + received_nb_signals++; + term_exit(); } -static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf) +static void term_init(void) { - FrameBuffer *buf = av_mallocz(sizeof(*buf)); - int i, ret; - const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1; - int h_chroma_shift, v_chroma_shift; - int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1 - int w = s->width, h = s->height; - - if (!buf) - return AVERROR(ENOMEM); - - if (!(s->flags & CODEC_FLAG_EMU_EDGE)) { - w += 2*edge; - h += 2*edge; - } - - avcodec_align_dimensions(s, &w, &h); - if ((ret = av_image_alloc(buf->base, buf->linesize, w, h, - s->pix_fmt, 32)) < 0) { - av_freep(&buf); - return ret; - } - /* XXX this shouldn't be needed, but some tests break without this line - * those decoders are buggy and need to be fixed. - * the following tests fail: - * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit - */ - memset(buf->base[0], 128, ret); - - avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); - for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { - const int h_shift = i==0 ? 0 : h_chroma_shift; - const int v_shift = i==0 ? 0 : v_chroma_shift; - if (s->flags & CODEC_FLAG_EMU_EDGE) - buf->data[i] = buf->base[i]; - else - buf->data[i] = buf->base[i] + - FFALIGN((buf->linesize[i]*edge >> v_shift) + - (pixel_size*edge >> h_shift), 32); - } - buf->w = s->width; - buf->h = s->height; - buf->pix_fmt = s->pix_fmt; - buf->ist = ist; - - *pbuf = buf; - return 0; + signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ + signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ +#ifdef SIGXCPU + signal(SIGXCPU, sigterm_handler); +#endif } -static void free_buffer_pool(InputStream *ist) +static int decode_interrupt_cb(void *ctx) { - FrameBuffer *buf = ist->buffer_pool; - while (buf) { - ist->buffer_pool = buf->next; - av_freep(&buf->base[0]); - av_free(buf); - buf = ist->buffer_pool; - } + return received_nb_signals > 1; } -static void unref_buffer(InputStream *ist, FrameBuffer *buf) +const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; + +static void avconv_cleanup(int ret) { - av_assert0(buf->refcount); - buf->refcount--; - if (!buf->refcount) { - buf->next = ist->buffer_pool; - ist->buffer_pool = buf; + int i, j; + + for (i = 0; i < nb_filtergraphs; i++) { + avfilter_graph_free(&filtergraphs[i]->graph); + for (j = 0; j < filtergraphs[i]->nb_inputs; j++) { + av_freep(&filtergraphs[i]->inputs[j]->name); + av_freep(&filtergraphs[i]->inputs[j]); + } + av_freep(&filtergraphs[i]->inputs); + for (j = 0; j < filtergraphs[i]->nb_outputs; j++) { + av_freep(&filtergraphs[i]->outputs[j]->name); + av_freep(&filtergraphs[i]->outputs[j]); + } + av_freep(&filtergraphs[i]->outputs); + av_freep(&filtergraphs[i]->graph_desc); + av_freep(&filtergraphs[i]); } -} + av_freep(&filtergraphs); -static int codec_get_buffer(AVCodecContext *s, AVFrame *frame) -{ - InputStream *ist = s->opaque; - FrameBuffer *buf; - int ret, i; + /* close files */ + for (i = 0; i < nb_output_files; i++) { + AVFormatContext *s = output_files[i]->ctx; + if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb) + avio_close(s->pb); + avformat_free_context(s); + av_dict_free(&output_files[i]->opts); + av_freep(&output_files[i]); + } + for (i = 0; i < nb_output_streams; i++) { + AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters; + while (bsfc) { + AVBitStreamFilterContext *next = bsfc->next; + av_bitstream_filter_close(bsfc); + bsfc = next; + } + output_streams[i]->bitstream_filters = NULL; + avcodec_free_frame(&output_streams[i]->filtered_frame); - if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0) - return ret; + av_parser_close(output_streams[i]->parser); - buf = ist->buffer_pool; - ist->buffer_pool = buf->next; - buf->next = NULL; - if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) { - av_freep(&buf->base[0]); - av_free(buf); - if ((ret = alloc_buffer(ist, s, &buf)) < 0) - return ret; + av_freep(&output_streams[i]->forced_keyframes); + av_freep(&output_streams[i]->avfilter); + av_freep(&output_streams[i]->logfile_prefix); + av_freep(&output_streams[i]); + } + for (i = 0; i < nb_input_files; i++) { + avformat_close_input(&input_files[i]->ctx); + av_freep(&input_files[i]); } - buf->refcount++; - - frame->opaque = buf; - frame->type = FF_BUFFER_TYPE_USER; - frame->extended_data = frame->data; - frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE; - frame->width = buf->w; - frame->height = buf->h; - frame->format = buf->pix_fmt; - frame->sample_aspect_ratio = s->sample_aspect_ratio; - - for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) { - frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't - frame->data[i] = buf->data[i]; - frame->linesize[i] = buf->linesize[i]; + for (i = 0; i < nb_input_streams; i++) { + av_frame_free(&input_streams[i]->decoded_frame); + av_frame_free(&input_streams[i]->filter_frame); + av_dict_free(&input_streams[i]->opts); + av_freep(&input_streams[i]->filters); + av_freep(&input_streams[i]); } - return 0; -} + if (vstats_file) + fclose(vstats_file); + av_free(vstats_filename); -static void codec_release_buffer(AVCodecContext *s, AVFrame *frame) -{ - InputStream *ist = s->opaque; - FrameBuffer *buf = frame->opaque; - int i; + av_freep(&input_streams); + av_freep(&input_files); + av_freep(&output_streams); + av_freep(&output_files); + + uninit_opts(); - for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++) - frame->data[i] = NULL; + avformat_network_deinit(); - unref_buffer(ist, buf); + if (received_sigterm) { + av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", + (int) received_sigterm); + exit (255); + } } -static void filter_release_buffer(AVFilterBuffer *fb) +void assert_avoptions(AVDictionary *m) { - FrameBuffer *buf = fb->priv; - av_free(fb); - unref_buffer(buf->ist, buf); + AVDictionaryEntry *t; + if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { + av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); + exit_program(1); + } } -/** - * Define a function for building a string containing a list of - * allowed formats, - */ -#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \ -static char *choose_ ## var ## s(OutputStream *ost) \ -{ \ - if (ost->st->codec->var != none) { \ - get_name(ost->st->codec->var); \ - return av_strdup(name); \ - } else if (ost->enc->supported_list) { \ - const type *p; \ - AVIOContext *s = NULL; \ - uint8_t *ret; \ - int len; \ - \ - if (avio_open_dyn_buf(&s) < 0) \ - exit_program(1); \ - \ - for (p = ost->enc->supported_list; *p != none; p++) { \ - get_name(*p); \ - avio_printf(s, "%s" separator, name); \ - } \ - len = avio_close_dyn_buf(s, &ret); \ - ret[len - 1] = 0; \ - return ret; \ - } else \ - return NULL; \ +static void abort_codec_experimental(AVCodec *c, int encoder) +{ + const char *codec_string = encoder ? "encoder" : "decoder"; + AVCodec *codec; + av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad " + "results.\nAdd '-strict experimental' if you want to use it.\n", + codec_string, c->name); + codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id); + if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) + av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n", + codec_string, codec->name); + exit_program(1); } -#define GET_PIX_FMT_NAME(pix_fmt)\ - const char *name = av_get_pix_fmt_name(pix_fmt); - -DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE, - GET_PIX_FMT_NAME, ":") - -#define GET_SAMPLE_FMT_NAME(sample_fmt)\ - const char *name = av_get_sample_fmt_name(sample_fmt) - -DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts, - AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",") - -#define GET_SAMPLE_RATE_NAME(rate)\ - char name[16];\ - snprintf(name, sizeof(name), "%d", rate); - -DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0, - GET_SAMPLE_RATE_NAME, ",") - -#define GET_CH_LAYOUT_NAME(ch_layout)\ - char name[16];\ - snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout); - -DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0, - GET_CH_LAYOUT_NAME, ",") - -static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter, - AVFilterContext **out_filter) +/* + * Update the requested input sample format based on the output sample format. + * This is currently only used to request float output from decoders which + * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT. + * Ideally this will be removed in the future when decoders do not do format + * conversion and only output in their native format. + */ +static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec, + AVCodecContext *enc) { - InputStream *ist = fg->inputs[0]->ist; - OutputStream *ost = fg->outputs[0]->ost; - AVCodecContext *codec = ost->st->codec; - AVCodecContext *icodec = ist->st->codec; - char *sample_fmts, *sample_rates, *channel_layouts; - char args[256]; - int ret; - - avfilter_graph_free(&fg->graph); - if (!(fg->graph = avfilter_graph_alloc())) - return AVERROR(ENOMEM); - - snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:" - "channel_layout=0x%"PRIx64, ist->st->time_base.num, - ist->st->time_base.den, icodec->sample_rate, - av_get_sample_fmt_name(icodec->sample_fmt), icodec->channel_layout); - ret = avfilter_graph_create_filter(&fg->inputs[0]->filter, - avfilter_get_by_name("abuffer"), - "src", args, NULL, fg->graph); - if (ret < 0) - return ret; - - ret = avfilter_graph_create_filter(&fg->outputs[0]->filter, - avfilter_get_by_name("abuffersink"), - "out", NULL, NULL, fg->graph); - if (ret < 0) - return ret; - - *in_filter = fg->inputs[0]->filter; - *out_filter = fg->outputs[0]->filter; - - if (codec->channels && !codec->channel_layout) - codec->channel_layout = av_get_default_channel_layout(codec->channels); - - sample_fmts = choose_sample_fmts(ost); - sample_rates = choose_sample_rates(ost); - channel_layouts = choose_channel_layouts(ost); - if (sample_fmts || sample_rates || channel_layouts) { - AVFilterContext *format; - char args[256]; - int len = 0; - - if (sample_fmts) - len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:", - sample_fmts); - if (sample_rates) - len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:", - sample_rates); - if (channel_layouts) - len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:", - channel_layouts); - args[len - 1] = 0; - - av_freep(&sample_fmts); - av_freep(&sample_rates); - av_freep(&channel_layouts); - - ret = avfilter_graph_create_filter(&format, - avfilter_get_by_name("aformat"), - "aformat", args, NULL, fg->graph); - if (ret < 0) - return ret; - - ret = avfilter_link(format, 0, fg->outputs[0]->filter, 0); - if (ret < 0) - return ret; - - *out_filter = format; - } - - if (audio_sync_method > 0) { - AVFilterContext *async; - char args[256]; - int len = 0; - - av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the " - "asyncts audio filter instead.\n"); - - if (audio_sync_method > 1) - len += snprintf(args + len, sizeof(args) - len, "compensate=1:" - "max_comp=%d:", audio_sync_method); - snprintf(args + len, sizeof(args) - len, "min_delta=%f", - audio_drift_threshold); + /* if sample formats match or a decoder sample format has already been + requested, just return */ + if (enc->sample_fmt == dec->sample_fmt || + dec->request_sample_fmt > AV_SAMPLE_FMT_NONE) + return; - ret = avfilter_graph_create_filter(&async, - avfilter_get_by_name("asyncts"), - "async", args, NULL, fg->graph); - if (ret < 0) - return ret; + /* if decoder supports more than one output format */ + if (dec_codec && dec_codec->sample_fmts && + dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE && + dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) { + const enum AVSampleFormat *p; + int min_dec = INT_MAX, min_inc = INT_MAX; + enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE; + enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE; - ret = avfilter_link(*in_filter, 0, async, 0); - if (ret < 0) - return ret; + /* find a matching sample format in the encoder */ + for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) { + if (*p == enc->sample_fmt) { + dec->request_sample_fmt = *p; + return; + } else { + enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p); + enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt); + int fmt_diff = 32 * abs(dfmt - efmt); + if (av_sample_fmt_is_planar(*p) != + av_sample_fmt_is_planar(enc->sample_fmt)) + fmt_diff++; + if (dfmt == efmt) { + min_inc = fmt_diff; + inc_fmt = *p; + } else if (dfmt > efmt) { + if (fmt_diff < min_inc) { + min_inc = fmt_diff; + inc_fmt = *p; + } + } else { + if (fmt_diff < min_dec) { + min_dec = fmt_diff; + dec_fmt = *p; + } + } + } + } - *in_filter = async; + /* if none match, provide the one that matches quality closest */ + dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt; } - - return 0; } -static int configure_video_filters(FilterGraph *fg, AVFilterContext **in_filter, - AVFilterContext **out_filter) +static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) { - InputStream *ist = fg->inputs[0]->ist; - OutputStream *ost = fg->outputs[0]->ost; - AVFilterContext *filter; - AVCodecContext *codec = ost->st->codec; - char *pix_fmts; - AVRational sample_aspect_ratio; - char args[255]; + AVBitStreamFilterContext *bsfc = ost->bitstream_filters; + AVCodecContext *avctx = ost->st->codec; int ret; - if (ist->st->sample_aspect_ratio.num) { - sample_aspect_ratio = ist->st->sample_aspect_ratio; - } else - sample_aspect_ratio = ist->st->codec->sample_aspect_ratio; - - snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, - ist->st->codec->height, ist->st->codec->pix_fmt, - ist->st->time_base.num, ist->st->time_base.den, - sample_aspect_ratio.num, sample_aspect_ratio.den); - - ret = avfilter_graph_create_filter(&fg->inputs[0]->filter, - avfilter_get_by_name("buffer"), - "src", args, NULL, fg->graph); - if (ret < 0) - return ret; - ret = avfilter_graph_create_filter(&fg->outputs[0]->filter, - avfilter_get_by_name("buffersink"), - "out", NULL, NULL, fg->graph); - if (ret < 0) - return ret; - *in_filter = fg->inputs[0]->filter; - *out_filter = fg->outputs[0]->filter; - - if (codec->width || codec->height) { - snprintf(args, 255, "%d:%d:flags=0x%X", - codec->width, - codec->height, - (unsigned)ost->sws_flags); - if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"), - NULL, args, NULL, fg->graph)) < 0) - return ret; - if ((ret = avfilter_link(*in_filter, 0, filter, 0)) < 0) - return ret; - *in_filter = filter; + /* + * Audio encoders may split the packets -- #frames in != #packets out. + * But there is no reordering, so we can limit the number of output packets + * by simply dropping them here. + * Counting encoded video frames needs to be done separately because of + * reordering, see do_video_out() + */ + if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { + if (ost->frame_number >= ost->max_frames) { + av_free_packet(pkt); + return; + } + ost->frame_number++; } - if (ost->frame_rate.num) { - snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num, - ost->frame_rate.den); - ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("fps"), - "fps", args, NULL, fg->graph); - if (ret < 0) - return ret; + while (bsfc) { + AVPacket new_pkt = *pkt; + int a = av_bitstream_filter_filter(bsfc, avctx, NULL, + &new_pkt.data, &new_pkt.size, + pkt->data, pkt->size, + pkt->flags & AV_PKT_FLAG_KEY); + if (a > 0) { + av_free_packet(pkt); + new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size, + av_buffer_default_free, NULL, 0); + if (!new_pkt.buf) + exit_program(1); + } else if (a < 0) { + av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s", + bsfc->filter->name, pkt->stream_index, + avctx->codec ? avctx->codec->name : "copy"); + print_error("", a); + if (exit_on_error) + exit_program(1); + } + *pkt = new_pkt; - ret = avfilter_link(filter, 0, *out_filter, 0); - if (ret < 0) - return ret; - *out_filter = filter; + bsfc = bsfc->next; } - if ((pix_fmts = choose_pix_fmts(ost))) { - if ((ret = avfilter_graph_create_filter(&filter, - avfilter_get_by_name("format"), - "format", pix_fmts, NULL, - fg->graph)) < 0) - return ret; - if ((ret = avfilter_link(filter, 0, *out_filter, 0)) < 0) - return ret; - - *out_filter = filter; - av_freep(&pix_fmts); + if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) && + ost->last_mux_dts != AV_NOPTS_VALUE && + pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) { + av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream " + "%d:%d; previous: %"PRId64", current: %"PRId64"; ", + ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts); + if (exit_on_error) { + av_log(NULL, AV_LOG_FATAL, "aborting.\n"); + exit_program(1); + } + av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result " + "in incorrect timestamps in the output file.\n", + ost->last_mux_dts + 1); + pkt->dts = ost->last_mux_dts + 1; + if (pkt->pts != AV_NOPTS_VALUE) + pkt->pts = FFMAX(pkt->pts, pkt->dts); } + ost->last_mux_dts = pkt->dts; - snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags); - fg->graph->scale_sws_opts = av_strdup(args); - - return 0; + pkt->stream_index = ost->index; + ret = av_interleaved_write_frame(s, pkt); + if (ret < 0) { + print_error("av_interleaved_write_frame()", ret); + exit_program(1); + } } -static int configure_simple_filtergraph(FilterGraph *fg) +static int check_recording_time(OutputStream *ost) { - OutputStream *ost = fg->outputs[0]->ost; - AVFilterContext *in_filter, *out_filter; - int ret; - - avfilter_graph_free(&fg->graph); - fg->graph = avfilter_graph_alloc(); + OutputFile *of = output_files[ost->file_index]; - switch (ost->st->codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - ret = configure_video_filters(fg, &in_filter, &out_filter); - break; - case AVMEDIA_TYPE_AUDIO: - ret = configure_audio_filters(fg, &in_filter, &out_filter); - break; - default: av_assert0(0); + if (of->recording_time != INT64_MAX && + av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time, + AV_TIME_BASE_Q) >= 0) { + ost->finished = 1; + return 0; } - if (ret < 0) - return ret; + return 1; +} - if (ost->avfilter) { - AVFilterInOut *outputs = avfilter_inout_alloc(); - AVFilterInOut *inputs = avfilter_inout_alloc(); +static void do_audio_out(AVFormatContext *s, OutputStream *ost, + AVFrame *frame) +{ + AVCodecContext *enc = ost->st->codec; + AVPacket pkt; + int got_packet = 0; - outputs->name = av_strdup("in"); - outputs->filter_ctx = in_filter; - outputs->pad_idx = 0; - outputs->next = NULL; + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; - inputs->name = av_strdup("out"); - inputs->filter_ctx = out_filter; - inputs->pad_idx = 0; - inputs->next = NULL; + if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) + frame->pts = ost->sync_opts; + ost->sync_opts = frame->pts + frame->nb_samples; - if ((ret = avfilter_graph_parse(fg->graph, ost->avfilter, inputs, outputs, NULL)) < 0) - return ret; - } else { - if ((ret = avfilter_link(in_filter, 0, out_filter, 0)) < 0) - return ret; + if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { + av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); + exit_program(1); } - if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) - return ret; + if (got_packet) { + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + if (pkt.duration > 0) + pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); - ost->filter = fg->outputs[0]; + write_frame(s, &pkt, ost); - return 0; + audio_size += pkt.size; + } } -static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost) +static void do_subtitle_out(AVFormatContext *s, + OutputStream *ost, + InputStream *ist, + AVSubtitle *sub, + int64_t pts) { - FilterGraph *fg = av_mallocz(sizeof(*fg)); + static uint8_t *subtitle_out = NULL; + int subtitle_out_max_size = 1024 * 1024; + int subtitle_out_size, nb, i; + AVCodecContext *enc; + AVPacket pkt; - if (!fg) - exit_program(1); - fg->index = nb_filtergraphs; + if (pts == AV_NOPTS_VALUE) { + av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); + if (exit_on_error) + exit_program(1); + return; + } - fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs, - fg->nb_outputs + 1); - if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0])))) - exit_program(1); - fg->outputs[0]->ost = ost; - fg->outputs[0]->graph = fg; + enc = ost->st->codec; - fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs, - fg->nb_inputs + 1); - if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0])))) - exit_program(1); - fg->inputs[0]->ist = ist; - fg->inputs[0]->graph = fg; + if (!subtitle_out) { + subtitle_out = av_malloc(subtitle_out_max_size); + } + + /* Note: DVB subtitle need one packet to draw them and one other + packet to clear them */ + /* XXX: signal it in the codec context ? */ + if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) + nb = 2; + else + nb = 1; - ist->filters = grow_array(ist->filters, sizeof(*ist->filters), - &ist->nb_filters, ist->nb_filters + 1); - ist->filters[ist->nb_filters - 1] = fg->inputs[0]; + for (i = 0; i < nb; i++) { + ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base); + if (!check_recording_time(ost)) + return; - filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs), - &nb_filtergraphs, nb_filtergraphs + 1); - filtergraphs[nb_filtergraphs - 1] = fg; + sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); + // start_display_time is required to be 0 + sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); + sub->end_display_time -= sub->start_display_time; + sub->start_display_time = 0; + subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, + subtitle_out_max_size, sub); + if (subtitle_out_size < 0) { + av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); + exit_program(1); + } - return fg; + av_init_packet(&pkt); + pkt.data = subtitle_out; + pkt.size = subtitle_out_size; + pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); + if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { + /* XXX: the pts correction is handled here. Maybe handling + it in the codec would be better */ + if (i == 0) + pkt.pts += 90 * sub->start_display_time; + else + pkt.pts += 90 * sub->end_display_time; + } + write_frame(s, &pkt, ost); + } } -static void init_input_filter(FilterGraph *fg, AVFilterInOut *in) +static void do_video_out(AVFormatContext *s, + OutputStream *ost, + AVFrame *in_picture, + int *frame_size) { - InputStream *ist; - enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type; - int i; + int ret, format_video_sync; + AVPacket pkt; + AVCodecContext *enc = ost->st->codec; - // TODO: support other filter types - if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) { - av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported " - "currently.\n"); - exit_program(1); + *frame_size = 0; + + format_video_sync = video_sync_method; + if (format_video_sync == VSYNC_AUTO) + format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : + (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR; + if (format_video_sync != VSYNC_PASSTHROUGH && + ost->frame_number && + in_picture->pts != AV_NOPTS_VALUE && + in_picture->pts < ost->sync_opts) { + nb_frames_drop++; + av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); + return; } - if (in->name) { - AVFormatContext *s; - AVStream *st = NULL; - char *p; - int file_idx = strtol(in->name, &p, 0); + if (in_picture->pts == AV_NOPTS_VALUE) + in_picture->pts = ost->sync_opts; + ost->sync_opts = in_picture->pts; - if (file_idx < 0 || file_idx >= nb_input_files) { - av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n", - file_idx, fg->graph_desc); - exit_program(1); - } - s = input_files[file_idx]->ctx; - for (i = 0; i < s->nb_streams; i++) { - if (s->streams[i]->codec->codec_type != type) - continue; - if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) { - st = s->streams[i]; - break; - } + if (!ost->frame_number) + ost->first_pts = in_picture->pts; + + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; + + if (ost->frame_number >= ost->max_frames) + return; + + if (s->oformat->flags & AVFMT_RAWPICTURE && + enc->codec->id == AV_CODEC_ID_RAWVIDEO) { + /* raw pictures are written as AVPicture structure to + avoid any copies. We support temporarily the older + method. */ + enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; + enc->coded_frame->top_field_first = in_picture->top_field_first; + pkt.data = (uint8_t *)in_picture; + pkt.size = sizeof(AVPicture); + pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); + pkt.flags |= AV_PKT_FLAG_KEY; + + write_frame(s, &pkt, ost); + } else { + int got_packet; + + if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) && + ost->top_field_first >= 0) + in_picture->top_field_first = !!ost->top_field_first; + + in_picture->quality = ost->st->codec->global_quality; + if (!enc->me_threshold) + in_picture->pict_type = 0; + if (ost->forced_kf_index < ost->forced_kf_count && + in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { + in_picture->pict_type = AV_PICTURE_TYPE_I; + ost->forced_kf_index++; } - if (!st) { - av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s " - "matches no streams.\n", p, fg->graph_desc); + ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); exit_program(1); } - ist = input_streams[input_files[file_idx]->ist_index + st->index]; - } else { - /* find the first unused stream of corresponding type */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->st->codec->codec_type == type && ist->discard) - break; + + if (got_packet) { + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + + write_frame(s, &pkt, ost); + *frame_size = pkt.size; + video_size += pkt.size; + + /* if two pass, output log */ + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } } - if (i == nb_input_streams) { - av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for " - "unlabeled input pad %d on filter %s", in->pad_idx, - in->filter_ctx->name); + } + ost->sync_opts++; + /* + * For video, number of frames in == number of packets out. + * But there may be reordering, so we can't throw away frames on encoder + * flush, we need to limit them here, before they go into encoder. + */ + ost->frame_number++; +} + +static double psnr(double d) +{ + return -10.0 * log(d) / log(10.0); +} + +static void do_video_stats(OutputStream *ost, int frame_size) +{ + AVCodecContext *enc; + int frame_number; + double ti1, bitrate, avg_bitrate; + + /* this is executed just the first time do_video_stats is called */ + if (!vstats_file) { + vstats_file = fopen(vstats_filename, "w"); + if (!vstats_file) { + perror("fopen"); exit_program(1); } } - ist->discard = 0; - ist->decoding_needed = 1; - ist->st->discard = AVDISCARD_NONE; - fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), - &fg->nb_inputs, fg->nb_inputs + 1); - if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0])))) - exit_program(1); - fg->inputs[fg->nb_inputs - 1]->ist = ist; - fg->inputs[fg->nb_inputs - 1]->graph = fg; + enc = ost->st->codec; + if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { + frame_number = ost->frame_number; + fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); + if (enc->flags&CODEC_FLAG_PSNR) + fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); - ist->filters = grow_array(ist->filters, sizeof(*ist->filters), - &ist->nb_filters, ist->nb_filters + 1); - ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1]; + fprintf(vstats_file,"f_size= %6d ", frame_size); + /* compute pts value */ + ti1 = ost->sync_opts * av_q2d(enc->time_base); + if (ti1 < 0.01) + ti1 = 0.01; + + bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; + avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; + fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", + (double)video_size / 1024, ti1, bitrate, avg_bitrate); + fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); + } } -static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) +/* + * Read one frame for lavfi output for ost and encode it. + */ +static int poll_filter(OutputStream *ost) { - char *pix_fmts; - AVCodecContext *codec = ofilter->ost->st->codec; - AVFilterContext *last_filter = out->filter_ctx; - int pad_idx = out->pad_idx; - int ret; + OutputFile *of = output_files[ost->file_index]; + AVFrame *filtered_frame = NULL; + int frame_size, ret; + if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) { + return AVERROR(ENOMEM); + } else + avcodec_get_frame_defaults(ost->filtered_frame); + filtered_frame = ost->filtered_frame; + + if (ost->enc->type == AVMEDIA_TYPE_AUDIO && + !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) + ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame, + ost->st->codec->frame_size); + else + ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame); - ret = avfilter_graph_create_filter(&ofilter->filter, - avfilter_get_by_name("buffersink"), - "out", NULL, pix_fmts, fg->graph); if (ret < 0) return ret; - if (codec->width || codec->height) { - char args[255]; - AVFilterContext *filter; - - snprintf(args, sizeof(args), "%d:%d:flags=0x%X", - codec->width, - codec->height, - (unsigned)ofilter->ost->sws_flags); - if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"), - NULL, args, NULL, fg->graph)) < 0) - return ret; - if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0) - return ret; - - last_filter = filter; - pad_idx = 0; + if (filtered_frame->pts != AV_NOPTS_VALUE) { + int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; + filtered_frame->pts = av_rescale_q(filtered_frame->pts, + ost->filter->filter->inputs[0]->time_base, + ost->st->codec->time_base) - + av_rescale_q(start_time, + AV_TIME_BASE_Q, + ost->st->codec->time_base); } - if ((pix_fmts = choose_pix_fmts(ofilter->ost))) { - AVFilterContext *filter; - if ((ret = avfilter_graph_create_filter(&filter, - avfilter_get_by_name("format"), - "format", pix_fmts, NULL, - fg->graph)) < 0) - return ret; - if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0) - return ret; + switch (ost->filter->filter->inputs[0]->type) { + case AVMEDIA_TYPE_VIDEO: + if (!ost->frame_aspect_ratio) + ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; - last_filter = filter; - pad_idx = 0; - av_freep(&pix_fmts); + do_video_out(of->ctx, ost, filtered_frame, &frame_size); + if (vstats_filename && frame_size) + do_video_stats(ost, frame_size); + break; + case AVMEDIA_TYPE_AUDIO: + do_audio_out(of->ctx, ost, filtered_frame); + break; + default: + // TODO support subtitle filters + av_assert0(0); } - if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0) - return ret; + av_frame_unref(filtered_frame); return 0; } -static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) +/* + * Read as many frames from possible from lavfi and encode them. + * + * Always read from the active stream with the lowest timestamp. If no frames + * are available for it then return EAGAIN and wait for more input. This way we + * can use lavfi sources that generate unlimited amount of frames without memory + * usage exploding. + */ +static int poll_filters(void) { - OutputStream *ost = ofilter->ost; - AVCodecContext *codec = ost->st->codec; - AVFilterContext *last_filter = out->filter_ctx; - int pad_idx = out->pad_idx; - char *sample_fmts, *sample_rates, *channel_layouts; - int ret; + int i, j, ret = 0; - ret = avfilter_graph_create_filter(&ofilter->filter, - avfilter_get_by_name("abuffersink"), - "out", NULL, NULL, fg->graph); - if (ret < 0) - return ret; + while (ret >= 0 && !received_sigterm) { + OutputStream *ost = NULL; + int64_t min_pts = INT64_MAX; - if (codec->channels && !codec->channel_layout) - codec->channel_layout = av_get_default_channel_layout(codec->channels); - - sample_fmts = choose_sample_fmts(ost); - sample_rates = choose_sample_rates(ost); - channel_layouts = choose_channel_layouts(ost); - if (sample_fmts || sample_rates || channel_layouts) { - AVFilterContext *format; - char args[256]; - int len = 0; - - if (sample_fmts) - len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:", - sample_fmts); - if (sample_rates) - len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:", - sample_rates); - if (channel_layouts) - len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:", - channel_layouts); - args[len - 1] = 0; - - av_freep(&sample_fmts); - av_freep(&sample_rates); - av_freep(&channel_layouts); - - ret = avfilter_graph_create_filter(&format, - avfilter_get_by_name("aformat"), - "aformat", args, NULL, fg->graph); - if (ret < 0) - return ret; + /* choose output stream with the lowest timestamp */ + for (i = 0; i < nb_output_streams; i++) { + int64_t pts = output_streams[i]->sync_opts; - ret = avfilter_link(last_filter, pad_idx, format, 0); - if (ret < 0) - return ret; + if (!output_streams[i]->filter || output_streams[i]->finished) + continue; - last_filter = format; - pad_idx = 0; - } + pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base, + AV_TIME_BASE_Q); + if (pts < min_pts) { + min_pts = pts; + ost = output_streams[i]; + } + } - if (audio_sync_method > 0) { - AVFilterContext *async; - char args[256]; - int len = 0; + if (!ost) + break; - av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the " - "asyncts audio filter instead.\n"); + ret = poll_filter(ost); - if (audio_sync_method > 1) - len += snprintf(args + len, sizeof(args) - len, "compensate=1:" - "max_comp=%d:", audio_sync_method); - snprintf(args + len, sizeof(args) - len, "min_delta=%f", - audio_drift_threshold); + if (ret == AVERROR_EOF) { + OutputFile *of = output_files[ost->file_index]; - ret = avfilter_graph_create_filter(&async, - avfilter_get_by_name("asyncts"), - "async", args, NULL, fg->graph); - if (ret < 0) - return ret; + ost->finished = 1; - ret = avfilter_link(last_filter, pad_idx, async, 0); - if (ret < 0) - return ret; + if (of->shortest) { + for (j = 0; j < of->ctx->nb_streams; j++) + output_streams[of->ost_index + j]->finished = 1; + } - last_filter = async; - pad_idx = 0; + ret = 0; + } else if (ret == AVERROR(EAGAIN)) + return 0; } - if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0) - return ret; - - return 0; -} - -static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out) -{ - switch (out->filter_ctx->output_pads[out->pad_idx].type) { - case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out); - case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out); - default: av_assert0(0); - } + return ret; } -static int configure_complex_filter(FilterGraph *fg) +static void print_report(int is_last_report, int64_t timer_start) { - AVFilterInOut *inputs, *outputs, *cur; - int ret, i, init = !fg->graph; - - avfilter_graph_free(&fg->graph); - if (!(fg->graph = avfilter_graph_alloc())) - return AVERROR(ENOMEM); - - if ((ret = avfilter_graph_parse2(fg->graph, fg->graph_desc, &inputs, &outputs)) < 0) - return ret; + char buf[1024]; + OutputStream *ost; + AVFormatContext *oc; + int64_t total_size; + AVCodecContext *enc; + int frame_number, vid, i; + double bitrate, ti1, pts; + static int64_t last_time = -1; + static int qp_histogram[52]; - for (cur = inputs; init && cur; cur = cur->next) - init_input_filter(fg, cur); + if (!print_stats && !is_last_report) + return; - for (cur = inputs, i = 0; cur; cur = cur->next, i++) { - InputFilter *ifilter = fg->inputs[i]; - InputStream *ist = ifilter->ist; - AVRational sar; - AVFilter *filter; - char args[255]; - - switch (cur->filter_ctx->input_pads[cur->pad_idx].type) { - case AVMEDIA_TYPE_VIDEO: - sar = ist->st->sample_aspect_ratio.num ? - ist->st->sample_aspect_ratio : - ist->st->codec->sample_aspect_ratio; - snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width, - ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE, - sar.num, sar.den); - filter = avfilter_get_by_name("buffer"); - break; - case AVMEDIA_TYPE_AUDIO: - snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:" - "sample_fmt=%s:channel_layout=0x%"PRIx64, - ist->st->time_base.num, ist->st->time_base.den, - ist->st->codec->sample_rate, - av_get_sample_fmt_name(ist->st->codec->sample_fmt), - ist->st->codec->channel_layout); - filter = avfilter_get_by_name("abuffer"); - break; - default: - av_assert0(0); + if (!is_last_report) { + int64_t cur_time; + /* display the report every 0.5 seconds */ + cur_time = av_gettime(); + if (last_time == -1) { + last_time = cur_time; + return; } + if ((cur_time - last_time) < 500000) + return; + last_time = cur_time; + } - if ((ret = avfilter_graph_create_filter(&ifilter->filter, - filter, cur->name, - args, NULL, fg->graph)) < 0) - return ret; - if ((ret = avfilter_link(ifilter->filter, 0, - cur->filter_ctx, cur->pad_idx)) < 0) - return ret; + + oc = output_files[0]->ctx; + + total_size = avio_size(oc->pb); + if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too + total_size = avio_tell(oc->pb); + if (total_size < 0) { + char errbuf[128]; + av_strerror(total_size, errbuf, sizeof(errbuf)); + av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, " + "avio_tell() failed: %s\n", errbuf); + total_size = 0; } - avfilter_inout_free(&inputs); - if (!init) { - /* we already know the mappings between lavfi outputs and output streams, - * so we can finish the setup */ - for (cur = outputs, i = 0; cur; cur = cur->next, i++) - configure_output_filter(fg, fg->outputs[i], cur); - avfilter_inout_free(&outputs); + buf[0] = '\0'; + ti1 = 1e10; + vid = 0; + for (i = 0; i < nb_output_streams; i++) { + float q = -1; + ost = output_streams[i]; + enc = ost->st->codec; + if (!ost->stream_copy && enc->coded_frame) + q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; + if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); + } + if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { + float t = (av_gettime() - timer_start) / 1000000.0; - if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0) - return ret; - } else { - /* wait until output mappings are processed */ - for (cur = outputs; cur;) { - fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), - &fg->nb_outputs, fg->nb_outputs + 1); - if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0])))) - exit_program(1); - fg->outputs[fg->nb_outputs - 1]->graph = fg; - fg->outputs[fg->nb_outputs - 1]->out_tmp = cur; - cur = cur->next; - fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL; + frame_number = ost->frame_number; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", + frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q); + if (is_last_report) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); + if (qp_hist) { + int j; + int qp = lrintf(q); + if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) + qp_histogram[qp]++; + for (j = 0; j < 32; j++) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); + } + if (enc->flags&CODEC_FLAG_PSNR) { + int j; + double error, error_sum = 0; + double scale, scale_sum = 0; + char type[3] = { 'Y','U','V' }; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); + for (j = 0; j < 3; j++) { + if (is_last_report) { + error = enc->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; + } else { + error = enc->coded_frame->error[j]; + scale = enc->width * enc->height * 255.0 * 255.0; + } + if (j) + scale /= 4; + error_sum += error; + scale_sum += scale; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale)); + } + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); + } + vid = 1; } + /* compute min output value */ + pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base); + if ((pts < ti1) && (pts > 0)) + ti1 = pts; } + if (ti1 < 0.01) + ti1 = 0.01; - return 0; -} + bitrate = (double)(total_size * 8) / ti1 / 1000.0; -static int configure_complex_filters(void) -{ - int i, ret = 0; + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), + "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s", + (double)total_size / 1024, ti1, bitrate); - for (i = 0; i < nb_filtergraphs; i++) - if (!filtergraphs[i]->graph && - (ret = configure_complex_filter(filtergraphs[i])) < 0) - return ret; - return 0; -} + if (nb_frames_dup || nb_frames_drop) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", + nb_frames_dup, nb_frames_drop); -static int configure_filtergraph(FilterGraph *fg) -{ - return fg->graph_desc ? configure_complex_filter(fg) : - configure_simple_filtergraph(fg); -} + av_log(NULL, AV_LOG_INFO, "%s \r", buf); -static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist) -{ - int i; - for (i = 0; i < fg->nb_inputs; i++) - if (fg->inputs[i]->ist == ist) - return 1; - return 0; + fflush(stderr); + + if (is_last_report) { + int64_t raw= audio_size + video_size + extra_size; + av_log(NULL, AV_LOG_INFO, "\n"); + av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n", + video_size / 1024.0, + audio_size / 1024.0, + extra_size / 1024.0, + 100.0 * (total_size - raw) / raw + ); + } } -static void term_exit(void) +static void flush_encoders(void) { - av_log(NULL, AV_LOG_QUIET, ""); -} + int i, ret; -static volatile int received_sigterm = 0; -static volatile int received_nb_signals = 0; + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + AVCodecContext *enc = ost->st->codec; + AVFormatContext *os = output_files[ost->file_index]->ctx; + int stop_encoding = 0; -static void -sigterm_handler(int sig) -{ - received_sigterm = sig; - received_nb_signals++; - term_exit(); -} + if (!ost->encoding_needed) + continue; -static void term_init(void) -{ - signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ - signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ -#ifdef SIGXCPU - signal(SIGXCPU, sigterm_handler); -#endif -} + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) + continue; + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) + continue; -static int decode_interrupt_cb(void *ctx) -{ - return received_nb_signals > 1; -} + for (;;) { + int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; + const char *desc; + int64_t *size; -static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; + switch (ost->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + encode = avcodec_encode_audio2; + desc = "Audio"; + size = &audio_size; + break; + case AVMEDIA_TYPE_VIDEO: + encode = avcodec_encode_video2; + desc = "Video"; + size = &video_size; + break; + default: + stop_encoding = 1; + } -void exit_program(int ret) -{ - int i, j; + if (encode) { + AVPacket pkt; + int got_packet; + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; - for (i = 0; i < nb_filtergraphs; i++) { - avfilter_graph_free(&filtergraphs[i]->graph); - for (j = 0; j < filtergraphs[i]->nb_inputs; j++) - av_freep(&filtergraphs[i]->inputs[j]); - av_freep(&filtergraphs[i]->inputs); - for (j = 0; j < filtergraphs[i]->nb_outputs; j++) - av_freep(&filtergraphs[i]->outputs[j]); - av_freep(&filtergraphs[i]->outputs); - av_freep(&filtergraphs[i]); - } - av_freep(&filtergraphs); + ret = encode(enc, &pkt, NULL, &got_packet); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); + exit_program(1); + } + *size += ret; + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); + } + if (!got_packet) { + stop_encoding = 1; + break; + } + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); + if (pkt.duration > 0) + pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); + write_frame(os, &pkt, ost); + } - /* close files */ - for (i = 0; i < nb_output_files; i++) { - AVFormatContext *s = output_files[i]->ctx; - if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb) - avio_close(s->pb); - avformat_free_context(s); - av_dict_free(&output_files[i]->opts); - av_freep(&output_files[i]); - } - for (i = 0; i < nb_output_streams; i++) { - AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters; - while (bsfc) { - AVBitStreamFilterContext *next = bsfc->next; - av_bitstream_filter_close(bsfc); - bsfc = next; + if (stop_encoding) + break; } - output_streams[i]->bitstream_filters = NULL; - - av_freep(&output_streams[i]->avfilter); - av_freep(&output_streams[i]->filtered_frame); - av_freep(&output_streams[i]); - } - for (i = 0; i < nb_input_files; i++) { - avformat_close_input(&input_files[i]->ctx); - av_freep(&input_files[i]); - } - for (i = 0; i < nb_input_streams; i++) { - av_freep(&input_streams[i]->decoded_frame); - av_dict_free(&input_streams[i]->opts); - free_buffer_pool(input_streams[i]); - av_freep(&input_streams[i]->filters); - av_freep(&input_streams[i]); } +} - if (vstats_file) - fclose(vstats_file); - av_free(vstats_filename); +/* + * Check whether a packet from ist should be written into ost at this time + */ +static int check_output_constraints(InputStream *ist, OutputStream *ost) +{ + OutputFile *of = output_files[ost->file_index]; + int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; - av_freep(&input_streams); - av_freep(&input_files); - av_freep(&output_streams); - av_freep(&output_files); + if (ost->source_index != ist_index) + return 0; - uninit_opts(); + if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time) + return 0; - avfilter_uninit(); - avformat_network_deinit(); + return 1; +} - if (received_sigterm) { - av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", - (int) received_sigterm); - exit (255); - } - - exit(ret); -} - -static void assert_avoptions(AVDictionary *m) +static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) { - AVDictionaryEntry *t; - if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { - av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); - exit_program(1); - } -} + OutputFile *of = output_files[ost->file_index]; + InputFile *f = input_files [ist->file_index]; + int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time; + int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base); + AVPacket opkt; -static void assert_codec_experimental(AVCodecContext *c, int encoder) -{ - const char *codec_string = encoder ? "encoder" : "decoder"; - AVCodec *codec; - if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL && - c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { - av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad " - "results.\nAdd '-strict experimental' if you want to use it.\n", - codec_string, c->codec->name); - codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id); - if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL)) - av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n", - codec_string, codec->name); - exit_program(1); - } -} + av_init_packet(&opkt); -/** - * Update the requested input sample format based on the output sample format. - * This is currently only used to request float output from decoders which - * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT. - * Ideally this will be removed in the future when decoders do not do format - * conversion and only output in their native format. - */ -static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec, - AVCodecContext *enc) -{ - /* if sample formats match or a decoder sample format has already been - requested, just return */ - if (enc->sample_fmt == dec->sample_fmt || - dec->request_sample_fmt > AV_SAMPLE_FMT_NONE) + if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && + !ost->copy_initial_nonkeyframes) return; - /* if decoder supports more than one output format */ - if (dec_codec && dec_codec->sample_fmts && - dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE && - dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) { - const enum AVSampleFormat *p; - int min_dec = -1, min_inc = -1; - - /* find a matching sample format in the encoder */ - for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) { - if (*p == enc->sample_fmt) { - dec->request_sample_fmt = *p; - return; - } else if (*p > enc->sample_fmt) { - min_inc = FFMIN(min_inc, *p - enc->sample_fmt); - } else - min_dec = FFMIN(min_dec, enc->sample_fmt - *p); - } - - /* if none match, provide the one that matches quality closest */ - dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc : - enc->sample_fmt - min_dec; - } -} - -static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) -{ - AVBitStreamFilterContext *bsfc = ost->bitstream_filters; - AVCodecContext *avctx = ost->st->codec; - int ret; - - /* - * Audio encoders may split the packets -- #frames in != #packets out. - * But there is no reordering, so we can limit the number of output packets - * by simply dropping them here. - * Counting encoded video frames needs to be done separately because of - * reordering, see do_video_out() - */ - if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { - if (ost->frame_number >= ost->max_frames) { - av_free_packet(pkt); - return; - } - ost->frame_number++; - } - - while (bsfc) { - AVPacket new_pkt = *pkt; - int a = av_bitstream_filter_filter(bsfc, avctx, NULL, - &new_pkt.data, &new_pkt.size, - pkt->data, pkt->size, - pkt->flags & AV_PKT_FLAG_KEY); - if (a > 0) { - av_free_packet(pkt); - new_pkt.destruct = av_destruct_packet; - } else if (a < 0) { - av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s", - bsfc->filter->name, pkt->stream_index, - avctx->codec ? avctx->codec->name : "copy"); - print_error("", a); - if (exit_on_error) - exit_program(1); - } - *pkt = new_pkt; - - bsfc = bsfc->next; - } - - pkt->stream_index = ost->index; - ret = av_interleaved_write_frame(s, pkt); - if (ret < 0) { - print_error("av_interleaved_write_frame()", ret); - exit_program(1); - } -} - -static int check_recording_time(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - if (of->recording_time != INT64_MAX && - av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time, - AV_TIME_BASE_Q) >= 0) { - ost->is_past_recording_time = 1; - return 0; - } - return 1; -} - -static void do_audio_out(AVFormatContext *s, OutputStream *ost, - AVFrame *frame) -{ - AVCodecContext *enc = ost->st->codec; - AVPacket pkt; - int got_packet = 0; - - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (!check_recording_time(ost)) + ist->last_dts >= of->recording_time + start_time) { + ost->finished = 1; return; - - if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) - frame->pts = ost->sync_opts; - ost->sync_opts = frame->pts + frame->nb_samples; - - if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); - exit_program(1); - } - - if (got_packet) { - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - if (pkt.duration > 0) - pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); - - write_frame(s, &pkt, ost); - - audio_size += pkt.size; } -} - -static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp) -{ - AVCodecContext *dec; - AVPicture *picture2; - AVPicture picture_tmp; - uint8_t *buf = 0; - - dec = ist->st->codec; - /* deinterlace : must be done before any resize */ - if (do_deinterlace) { - int size; - - /* create temporary picture */ - size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); - buf = av_malloc(size); - if (!buf) + if (f->recording_time != INT64_MAX) { + start_time = f->ctx->start_time; + if (f->start_time != AV_NOPTS_VALUE) + start_time += f->start_time; + if (ist->last_dts >= f->recording_time + start_time) { + ost->finished = 1; return; - - picture2 = &picture_tmp; - avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); - - if (avpicture_deinterlace(picture2, picture, - dec->pix_fmt, dec->width, dec->height) < 0) { - /* if error, do not deinterlace */ - av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n"); - av_free(buf); - buf = NULL; - picture2 = picture; } - } else { - picture2 = picture; - } - - if (picture != picture2) - *picture = *picture2; - *bufp = buf; -} - -static void do_subtitle_out(AVFormatContext *s, - OutputStream *ost, - InputStream *ist, - AVSubtitle *sub, - int64_t pts) -{ - static uint8_t *subtitle_out = NULL; - int subtitle_out_max_size = 1024 * 1024; - int subtitle_out_size, nb, i; - AVCodecContext *enc; - AVPacket pkt; - - if (pts == AV_NOPTS_VALUE) { - av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); - if (exit_on_error) - exit_program(1); - return; } - enc = ost->st->codec; - - if (!subtitle_out) { - subtitle_out = av_malloc(subtitle_out_max_size); + /* force the input stream PTS */ + if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) + audio_size += pkt->size; + else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + video_size += pkt->size; + ost->sync_opts++; } - /* Note: DVB subtitle need one packet to draw them and one other - packet to clear them */ - /* XXX: signal it in the codec context ? */ - if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) - nb = 2; + if (pkt->pts != AV_NOPTS_VALUE) + opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; else - nb = 1; + opkt.pts = AV_NOPTS_VALUE; - for (i = 0; i < nb; i++) { - ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base); - if (!check_recording_time(ost)) - return; + if (pkt->dts == AV_NOPTS_VALUE) + opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base); + else + opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); + opkt.dts -= ost_tb_start_time; - sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q); - // start_display_time is required to be 0 - sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); - sub->end_display_time -= sub->start_display_time; - sub->start_display_time = 0; - subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, - subtitle_out_max_size, sub); - if (subtitle_out_size < 0) { - av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); - exit_program(1); - } + opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); + opkt.flags = pkt->flags; - av_init_packet(&pkt); - pkt.data = subtitle_out; - pkt.size = subtitle_out_size; - pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); - if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) { - /* XXX: the pts correction is handled here. Maybe handling - it in the codec would be better */ - if (i == 0) - pkt.pts += 90 * sub->start_display_time; - else - pkt.pts += 90 * sub->end_display_time; + // FIXME remove the following 2 lines they shall be replaced by the bitstream filters + if ( ost->st->codec->codec_id != AV_CODEC_ID_H264 + && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO + && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO + && ost->st->codec->codec_id != AV_CODEC_ID_VC1 + ) { + if (av_parser_change(ost->parser, ost->st->codec, + &opkt.data, &opkt.size, + pkt->data, pkt->size, + pkt->flags & AV_PKT_FLAG_KEY)) { + opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); + if (!opkt.buf) + exit_program(1); } - write_frame(s, &pkt, ost); + } else { + opkt.data = pkt->data; + opkt.size = pkt->size; } + + write_frame(of->ctx, &opkt, ost); + ost->st->codec->frame_number++; } -static void do_video_out(AVFormatContext *s, - OutputStream *ost, - AVFrame *in_picture, - int *frame_size, float quality) +int guess_input_channel_layout(InputStream *ist) { - int ret, format_video_sync; - AVPacket pkt; - AVCodecContext *enc = ost->st->codec; + AVCodecContext *dec = ist->st->codec; - *frame_size = 0; + if (!dec->channel_layout) { + char layout_name[256]; - format_video_sync = video_sync_method; - if (format_video_sync == VSYNC_AUTO) - format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : - (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR; - if (format_video_sync != VSYNC_PASSTHROUGH && - ost->frame_number && - in_picture->pts != AV_NOPTS_VALUE && - in_picture->pts < ost->sync_opts) { - nb_frames_drop++; - av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); - return; - } - - if (in_picture->pts == AV_NOPTS_VALUE) - in_picture->pts = ost->sync_opts; - ost->sync_opts = in_picture->pts; - - - if (!ost->frame_number) - ost->first_pts = in_picture->pts; - - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (!check_recording_time(ost) || - ost->frame_number >= ost->max_frames) - return; - - if (s->oformat->flags & AVFMT_RAWPICTURE && - enc->codec->id == CODEC_ID_RAWVIDEO) { - /* raw pictures are written as AVPicture structure to - avoid any copies. We support temporarily the older - method. */ - enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; - enc->coded_frame->top_field_first = in_picture->top_field_first; - pkt.data = (uint8_t *)in_picture; - pkt.size = sizeof(AVPicture); - pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - - write_frame(s, &pkt, ost); - } else { - int got_packet; - AVFrame big_picture; - - big_picture = *in_picture; - /* better than nothing: use input picture interlaced - settings */ - big_picture.interlaced_frame = in_picture->interlaced_frame; - if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) { - if (ost->top_field_first == -1) - big_picture.top_field_first = in_picture->top_field_first; - else - big_picture.top_field_first = !!ost->top_field_first; - } - - /* handles same_quant here. This is not correct because it may - not be a global option */ - big_picture.quality = quality; - if (!enc->me_threshold) - big_picture.pict_type = 0; - if (ost->forced_kf_index < ost->forced_kf_count && - big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) { - big_picture.pict_type = AV_PICTURE_TYPE_I; - ost->forced_kf_index++; - } - ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); - exit_program(1); - } - - if (got_packet) { - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - - write_frame(s, &pkt, ost); - *frame_size = pkt.size; - video_size += pkt.size; - - /* if two pass, output log */ - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - } - } - ost->sync_opts++; - /* - * For video, number of frames in == number of packets out. - * But there may be reordering, so we can't throw away frames on encoder - * flush, we need to limit them here, before they go into encoder. - */ - ost->frame_number++; -} - -static double psnr(double d) -{ - return -10.0 * log(d) / log(10.0); -} - -static void do_video_stats(AVFormatContext *os, OutputStream *ost, - int frame_size) -{ - AVCodecContext *enc; - int frame_number; - double ti1, bitrate, avg_bitrate; - - /* this is executed just the first time do_video_stats is called */ - if (!vstats_file) { - vstats_file = fopen(vstats_filename, "w"); - if (!vstats_file) { - perror("fopen"); - exit_program(1); - } - } - - enc = ost->st->codec; - if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { - frame_number = ost->frame_number; - fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); - if (enc->flags&CODEC_FLAG_PSNR) - fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); - - fprintf(vstats_file,"f_size= %6d ", frame_size); - /* compute pts value */ - ti1 = ost->sync_opts * av_q2d(enc->time_base); - if (ti1 < 0.01) - ti1 = 0.01; - - bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; - avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; - fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", - (double)video_size / 1024, ti1, bitrate, avg_bitrate); - fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); - } -} - -/* check for new output on any of the filtergraphs */ -static int poll_filters(void) -{ - AVFilterBufferRef *picref; - AVFrame *filtered_frame = NULL; - int i, frame_size; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - OutputFile *of = output_files[ost->file_index]; - int ret = 0; - - if (!ost->filter || ost->is_past_recording_time) - continue; - - if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) { - return AVERROR(ENOMEM); - } else - avcodec_get_frame_defaults(ost->filtered_frame); - filtered_frame = ost->filtered_frame; - - while (ret >= 0) { - if (ost->enc->type == AVMEDIA_TYPE_AUDIO && - !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) - ret = av_buffersink_read_samples(ost->filter->filter, &picref, - ost->st->codec->frame_size); - else - ret = av_buffersink_read(ost->filter->filter, &picref); - - if (ret < 0) - break; - - avfilter_copy_buf_props(filtered_frame, picref); - if (picref->pts != AV_NOPTS_VALUE) - filtered_frame->pts = av_rescale_q(picref->pts, - ost->filter->filter->inputs[0]->time_base, - ost->st->codec->time_base) - - av_rescale_q(of->start_time, - AV_TIME_BASE_Q, - ost->st->codec->time_base); - - if (of->start_time && filtered_frame->pts < of->start_time) { - avfilter_unref_buffer(picref); - continue; - } - - switch (ost->filter->filter->inputs[0]->type) { - case AVMEDIA_TYPE_VIDEO: - if (!ost->frame_aspect_ratio) - ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect; - - do_video_out(of->ctx, ost, filtered_frame, &frame_size, - same_quant ? ost->last_quality : - ost->st->codec->global_quality); - if (vstats_filename && frame_size) - do_video_stats(of->ctx, ost, frame_size); - break; - case AVMEDIA_TYPE_AUDIO: - do_audio_out(of->ctx, ost, filtered_frame); - break; - default: - // TODO support subtitle filters - av_assert0(0); - } - - avfilter_unref_buffer(picref); - } - } - return 0; -} - -static void print_report(int is_last_report, int64_t timer_start) -{ - char buf[1024]; - OutputStream *ost; - AVFormatContext *oc; - int64_t total_size; - AVCodecContext *enc; - int frame_number, vid, i; - double bitrate, ti1, pts; - static int64_t last_time = -1; - static int qp_histogram[52]; - - if (!print_stats && !is_last_report) - return; - - if (!is_last_report) { - int64_t cur_time; - /* display the report every 0.5 seconds */ - cur_time = av_gettime(); - if (last_time == -1) { - last_time = cur_time; - return; - } - if ((cur_time - last_time) < 500000) - return; - last_time = cur_time; - } - - - oc = output_files[0]->ctx; - - total_size = avio_size(oc->pb); - if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too - total_size = avio_tell(oc->pb); - - buf[0] = '\0'; - ti1 = 1e10; - vid = 0; - for (i = 0; i < nb_output_streams; i++) { - float q = -1; - ost = output_streams[i]; - enc = ost->st->codec; - if (!ost->stream_copy && enc->coded_frame) - q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; - if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); - } - if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - float t = (av_gettime() - timer_start) / 1000000.0; - - frame_number = ost->frame_number; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ", - frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q); - if (is_last_report) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); - if (qp_hist) { - int j; - int qp = lrintf(q); - if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) - qp_histogram[qp]++; - for (j = 0; j < 32; j++) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2))); - } - if (enc->flags&CODEC_FLAG_PSNR) { - int j; - double error, error_sum = 0; - double scale, scale_sum = 0; - char type[3] = { 'Y','U','V' }; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); - for (j = 0; j < 3; j++) { - if (is_last_report) { - error = enc->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; - } else { - error = enc->coded_frame->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0; - } - if (j) - scale /= 4; - error_sum += error; - scale_sum += scale; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale)); - } - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); - } - vid = 1; - } - /* compute min output value */ - pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base); - if ((pts < ti1) && (pts > 0)) - ti1 = pts; - } - if (ti1 < 0.01) - ti1 = 0.01; - - bitrate = (double)(total_size * 8) / ti1 / 1000.0; - - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s", - (double)total_size / 1024, ti1, bitrate); - - if (nb_frames_dup || nb_frames_drop) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", - nb_frames_dup, nb_frames_drop); - - av_log(NULL, AV_LOG_INFO, "%s \r", buf); - - fflush(stderr); - - if (is_last_report) { - int64_t raw= audio_size + video_size + extra_size; - av_log(NULL, AV_LOG_INFO, "\n"); - av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n", - video_size / 1024.0, - audio_size / 1024.0, - extra_size / 1024.0, - 100.0 * (total_size - raw) / raw - ); - } -} - -static void flush_encoders(void) -{ - int i, ret; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - AVCodecContext *enc = ost->st->codec; - AVFormatContext *os = output_files[ost->file_index]->ctx; - int stop_encoding = 0; - - if (!ost->encoding_needed) - continue; - - if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) - continue; - if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO) - continue; - - for (;;) { - int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; - const char *desc; - int64_t *size; - - switch (ost->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - encode = avcodec_encode_audio2; - desc = "Audio"; - size = &audio_size; - break; - case AVMEDIA_TYPE_VIDEO: - encode = avcodec_encode_video2; - desc = "Video"; - size = &video_size; - break; - default: - stop_encoding = 1; - } - - if (encode) { - AVPacket pkt; - int got_packet; - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - ret = encode(enc, &pkt, NULL, &got_packet); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); - exit_program(1); - } - *size += ret; - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - if (!got_packet) { - stop_encoding = 1; - break; - } - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - write_frame(os, &pkt, ost); - } - - if (stop_encoding) - break; - } - } -} - -/* - * Check whether a packet from ist should be written into ost at this time - */ -static int check_output_constraints(InputStream *ist, OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; - - if (ost->source_index != ist_index) - return 0; - - if (of->start_time && ist->last_dts < of->start_time) - return 0; - - return 1; -} - -static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) -{ - OutputFile *of = output_files[ost->file_index]; - int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base); - AVPacket opkt; - - av_init_packet(&opkt); - - if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && - !ost->copy_initial_nonkeyframes) - return; - - if (of->recording_time != INT64_MAX && - ist->last_dts >= of->recording_time + of->start_time) { - ost->is_past_recording_time = 1; - return; - } - - /* force the input stream PTS */ - if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) - audio_size += pkt->size; - else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { - video_size += pkt->size; - ost->sync_opts++; - } - - if (pkt->pts != AV_NOPTS_VALUE) - opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; - else - opkt.pts = AV_NOPTS_VALUE; - - if (pkt->dts == AV_NOPTS_VALUE) - opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base); - else - opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); - opkt.dts -= ost_tb_start_time; - - opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); - opkt.flags = pkt->flags; - - // FIXME remove the following 2 lines they shall be replaced by the bitstream filters - if ( ost->st->codec->codec_id != CODEC_ID_H264 - && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO - && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO - && ost->st->codec->codec_id != CODEC_ID_VC1 - ) { - if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) - opkt.destruct = av_destruct_packet; - } else { - opkt.data = pkt->data; - opkt.size = pkt->size; - } - - write_frame(of->ctx, &opkt, ost); - ost->st->codec->frame_number++; - av_free_packet(&opkt); -} - -static void rate_emu_sleep(InputStream *ist) -{ - if (input_files[ist->file_index]->rate_emu) { - int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE); - int64_t now = av_gettime() - ist->start; - if (pts > now) - usleep(pts - now); - } -} - -static int guess_input_channel_layout(InputStream *ist) -{ - AVCodecContext *dec = ist->st->codec; - - if (!dec->channel_layout) { - char layout_name[256]; - - dec->channel_layout = av_get_default_channel_layout(dec->channels); - if (!dec->channel_layout) - return 0; - av_get_channel_layout_string(layout_name, sizeof(layout_name), - dec->channels, dec->channel_layout); - av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " - "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); - } - return 1; -} - -static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame; - AVCodecContext *avctx = ist->st->codec; - int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt); - int i, ret, resample_changed; - - if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) - return AVERROR(ENOMEM); - else - avcodec_get_frame_defaults(ist->decoded_frame); - decoded_frame = ist->decoded_frame; - - ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); - if (ret < 0) { - return ret; - } - - if (!*got_output) { - /* no audio frame */ - if (!pkt->size) - for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_buffer(ist->filters[i]->filter, NULL); - return ret; - } - - /* if the decoder provides a pts, use it instead of the last packet pts. - the decoder could be delaying output by a packet or more. */ - if (decoded_frame->pts != AV_NOPTS_VALUE) - ist->next_dts = decoded_frame->pts; - else if (pkt->pts != AV_NOPTS_VALUE) { - decoded_frame->pts = pkt->pts; - pkt->pts = AV_NOPTS_VALUE; - } - - // preprocess audio (volume) - if (audio_volume != 256) { - int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps; - void *samples = decoded_frame->data[0]; - switch (avctx->sample_fmt) { - case AV_SAMPLE_FMT_U8: - { - uint8_t *volp = samples; - for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { - int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128; - *volp++ = av_clip_uint8(v); - } - break; - } - case AV_SAMPLE_FMT_S16: - { - int16_t *volp = samples; - for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { - int v = ((*volp) * audio_volume + 128) >> 8; - *volp++ = av_clip_int16(v); - } - break; - } - case AV_SAMPLE_FMT_S32: - { - int32_t *volp = samples; - for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { - int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8); - *volp++ = av_clipl_int32(v); - } - break; - } - case AV_SAMPLE_FMT_FLT: - { - float *volp = samples; - float scale = audio_volume / 256.f; - for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { - *volp++ *= scale; - } - break; - } - case AV_SAMPLE_FMT_DBL: - { - double *volp = samples; - double scale = audio_volume / 256.; - for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) { - *volp++ *= scale; - } - break; - } - default: - av_log(NULL, AV_LOG_FATAL, - "Audio volume adjustment on sample format %s is not supported.\n", - av_get_sample_fmt_name(ist->st->codec->sample_fmt)); - exit_program(1); - } - } - - rate_emu_sleep(ist); - - resample_changed = ist->resample_sample_fmt != decoded_frame->format || - ist->resample_channels != avctx->channels || - ist->resample_channel_layout != decoded_frame->channel_layout || - ist->resample_sample_rate != decoded_frame->sample_rate; - if (resample_changed) { - char layout1[64], layout2[64]; - - if (!guess_input_channel_layout(ist)) { - av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " - "layout for Input Stream #%d.%d\n", ist->file_index, - ist->st->index); - exit_program(1); - } - decoded_frame->channel_layout = avctx->channel_layout; - - av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, - ist->resample_channel_layout); - av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, - decoded_frame->channel_layout); - - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", - ist->file_index, ist->st->index, - ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), - ist->resample_channels, layout1, - decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), - avctx->channels, layout2); - - ist->resample_sample_fmt = decoded_frame->format; - ist->resample_sample_rate = decoded_frame->sample_rate; - ist->resample_channel_layout = decoded_frame->channel_layout; - ist->resample_channels = avctx->channels; - - for (i = 0; i < nb_filtergraphs; i++) - if (ist_in_filtergraph(filtergraphs[i], ist) && - configure_filtergraph(filtergraphs[i]) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit_program(1); - } - } - - for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame); - - return ret; -} - -static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame; - void *buffer_to_free = NULL; - int i, ret = 0, resample_changed; - float quality; - - if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) - return AVERROR(ENOMEM); - else - avcodec_get_frame_defaults(ist->decoded_frame); - decoded_frame = ist->decoded_frame; - - ret = avcodec_decode_video2(ist->st->codec, - decoded_frame, got_output, pkt); - if (ret < 0) - return ret; - - quality = same_quant ? decoded_frame->quality : 0; - if (!*got_output) { - /* no picture yet */ - if (!pkt->size) - for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_buffer(ist->filters[i]->filter, NULL); - return ret; - } - decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts, - decoded_frame->pkt_dts); - pkt->size = 0; - pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free); - - rate_emu_sleep(ist); - - if (ist->st->sample_aspect_ratio.num) - decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; - - resample_changed = ist->resample_width != decoded_frame->width || - ist->resample_height != decoded_frame->height || - ist->resample_pix_fmt != decoded_frame->format; - if (resample_changed) { - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", - ist->file_index, ist->st->index, - ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), - decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); - - ist->resample_width = decoded_frame->width; - ist->resample_height = decoded_frame->height; - ist->resample_pix_fmt = decoded_frame->format; - - for (i = 0; i < nb_filtergraphs; i++) - if (ist_in_filtergraph(filtergraphs[i], ist) && - configure_filtergraph(filtergraphs[i]) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit_program(1); - } - } - - for (i = 0; i < ist->nb_filters; i++) { - // XXX what an ugly hack - if (ist->filters[i]->graph->nb_outputs == 1) - ist->filters[i]->graph->outputs[0]->ost->last_quality = quality; - - if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) { - FrameBuffer *buf = decoded_frame->opaque; - AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays( - decoded_frame->data, decoded_frame->linesize, - AV_PERM_READ | AV_PERM_PRESERVE, - ist->st->codec->width, ist->st->codec->height, - ist->st->codec->pix_fmt); - - avfilter_copy_frame_props(fb, decoded_frame); - fb->buf->priv = buf; - fb->buf->free = filter_release_buffer; - - buf->refcount++; - av_buffersrc_buffer(ist->filters[i]->filter, fb); - } else - av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame); - } - - av_free(buffer_to_free); - return ret; -} - -static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVSubtitle subtitle; - int i, ret = avcodec_decode_subtitle2(ist->st->codec, - &subtitle, got_output, pkt); - if (ret < 0) - return ret; - if (!*got_output) - return ret; - - rate_emu_sleep(ist); - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || !ost->encoding_needed) - continue; - - do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts); - } - - avsubtitle_free(&subtitle); - return ret; -} - -/* pkt = NULL means EOF (needed to flush decoder buffers) */ -static int output_packet(InputStream *ist, const AVPacket *pkt) -{ - int i; - int got_output; - AVPacket avpkt; - - if (ist->next_dts == AV_NOPTS_VALUE) - ist->next_dts = ist->last_dts; - - if (pkt == NULL) { - /* EOF handling */ - av_init_packet(&avpkt); - avpkt.data = NULL; - avpkt.size = 0; - goto handle_eof; - } else { - avpkt = *pkt; - } - - if (pkt->dts != AV_NOPTS_VALUE) - ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); - - // while we have more to decode or while the decoder did output something on EOF - while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { - int ret = 0; - handle_eof: - - ist->last_dts = ist->next_dts; - - if (avpkt.size && avpkt.size != pkt->size) { - av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, - "Multiple frames in a packet from stream %d\n", pkt->stream_index); - ist->showed_multi_packet_warning = 1; - } - - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ret = transcode_audio (ist, &avpkt, &got_output); - break; - case AVMEDIA_TYPE_VIDEO: - ret = transcode_video (ist, &avpkt, &got_output); - if (avpkt.duration) - ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); - else if (ist->st->r_frame_rate.num) - ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den, - ist->st->r_frame_rate.num}, - AV_TIME_BASE_Q); - else if (ist->st->codec->time_base.num != 0) { - int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : - ist->st->codec->ticks_per_frame; - ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q); - } - break; - case AVMEDIA_TYPE_SUBTITLE: - ret = transcode_subtitles(ist, &avpkt, &got_output); - break; - default: - return -1; - } - - if (ret < 0) - return ret; - // touch data and size only if not EOF - if (pkt) { - avpkt.data += ret; - avpkt.size -= ret; - } - if (!got_output) { - continue; - } - } - - /* handle stream copy */ - if (!ist->decoding_needed) { - rate_emu_sleep(ist); - ist->last_dts = ist->next_dts; - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / - ist->st->codec->sample_rate; - break; - case AVMEDIA_TYPE_VIDEO: - if (ist->st->codec->time_base.num != 0) { - int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; - ist->next_dts += ((int64_t)AV_TIME_BASE * - ist->st->codec->time_base.num * ticks) / - ist->st->codec->time_base.den; - } - break; - } - } - for (i = 0; pkt && i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || ost->encoding_needed) - continue; - - do_streamcopy(ist, ost, pkt); - } - - return 0; -} - -static void print_sdp(void) -{ - char sdp[2048]; - int i; - AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); - - if (!avc) - exit_program(1); - for (i = 0; i < nb_output_files; i++) - avc[i] = output_files[i]->ctx; - - av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); - printf("SDP:\n%s\n", sdp); - fflush(stdout); - av_freep(&avc); -} - -static int init_input_stream(int ist_index, char *error, int error_len) -{ - int i; - InputStream *ist = input_streams[ist_index]; - if (ist->decoding_needed) { - AVCodec *codec = ist->dec; - if (!codec) { - snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d", - ist->st->codec->codec_id, ist->file_index, ist->st->index); - return AVERROR(EINVAL); - } - - /* update requested sample format for the decoder based on the - corresponding encoder sample format */ - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - if (ost->source_index == ist_index) { - update_sample_fmt(ist->st->codec, codec, ost->st->codec); - break; - } - } - - if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) { - ist->st->codec->get_buffer = codec_get_buffer; - ist->st->codec->release_buffer = codec_release_buffer; - ist->st->codec->opaque = ist; - } - - if (!av_dict_get(ist->opts, "threads", NULL, 0)) - av_dict_set(&ist->opts, "threads", "auto", 0); - if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) { - snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d", - ist->file_index, ist->st->index); - return AVERROR(EINVAL); - } - assert_codec_experimental(ist->st->codec, 0); - assert_avoptions(ist->opts); - } - - ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; - ist->next_dts = AV_NOPTS_VALUE; - init_pts_correction(&ist->pts_ctx); - ist->is_start = 1; - - return 0; -} - -static InputStream *get_input_stream(OutputStream *ost) -{ - if (ost->source_index >= 0) - return input_streams[ost->source_index]; - - if (ost->filter) { - FilterGraph *fg = ost->filter->graph; - int i; - - for (i = 0; i < fg->nb_inputs; i++) - if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type) - return fg->inputs[i]->ist; - } - - return NULL; -} - -static int transcode_init(void) -{ - int ret = 0, i, j, k; - AVFormatContext *oc; - AVCodecContext *codec, *icodec; - OutputStream *ost; - InputStream *ist; - char error[1024]; - int want_sdp = 1; - - /* init framerate emulation */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - if (ifile->rate_emu) - for (j = 0; j < ifile->nb_streams; j++) - input_streams[j + ifile->ist_index]->start = av_gettime(); - } - - /* output stream init */ - for (i = 0; i < nb_output_files; i++) { - oc = output_files[i]->ctx; - if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { - av_dump_format(oc, i, oc->filename, 1); - av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); - return AVERROR(EINVAL); - } - } - - /* init complex filtergraphs */ - for (i = 0; i < nb_filtergraphs; i++) - if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) - return ret; - - /* for each output stream, we compute the right encoding parameters */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - oc = output_files[ost->file_index]->ctx; - ist = get_input_stream(ost); - - if (ost->attachment_filename) - continue; - - codec = ost->st->codec; - - if (ist) { - icodec = ist->st->codec; - - ost->st->disposition = ist->st->disposition; - codec->bits_per_raw_sample = icodec->bits_per_raw_sample; - codec->chroma_sample_location = icodec->chroma_sample_location; - } - - if (ost->stream_copy) { - uint64_t extra_size; - - av_assert0(ist && !ost->filter); - - extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; - - if (extra_size > INT_MAX) { - return AVERROR(EINVAL); - } - - /* if stream_copy is selected, no need to decode or encode */ - codec->codec_id = icodec->codec_id; - codec->codec_type = icodec->codec_type; - - if (!codec->codec_tag) { - if (!oc->oformat->codec_tag || - av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || - av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0) - codec->codec_tag = icodec->codec_tag; - } - - codec->bit_rate = icodec->bit_rate; - codec->rc_max_rate = icodec->rc_max_rate; - codec->rc_buffer_size = icodec->rc_buffer_size; - codec->field_order = icodec->field_order; - codec->extradata = av_mallocz(extra_size); - if (!codec->extradata) { - return AVERROR(ENOMEM); - } - memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); - codec->extradata_size = icodec->extradata_size; - if (!copy_tb) { - codec->time_base = icodec->time_base; - codec->time_base.num *= icodec->ticks_per_frame; - av_reduce(&codec->time_base.num, &codec->time_base.den, - codec->time_base.num, codec->time_base.den, INT_MAX); - } else - codec->time_base = ist->st->time_base; - - switch (codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - if (audio_volume != 256) { - av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); - exit_program(1); - } - codec->channel_layout = icodec->channel_layout; - codec->sample_rate = icodec->sample_rate; - codec->channels = icodec->channels; - codec->frame_size = icodec->frame_size; - codec->audio_service_type = icodec->audio_service_type; - codec->block_align = icodec->block_align; - break; - case AVMEDIA_TYPE_VIDEO: - codec->pix_fmt = icodec->pix_fmt; - codec->width = icodec->width; - codec->height = icodec->height; - codec->has_b_frames = icodec->has_b_frames; - if (!codec->sample_aspect_ratio.num) { - codec->sample_aspect_ratio = - ost->st->sample_aspect_ratio = - ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : - ist->st->codec->sample_aspect_ratio.num ? - ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; - } - break; - case AVMEDIA_TYPE_SUBTITLE: - codec->width = icodec->width; - codec->height = icodec->height; - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_ATTACHMENT: - break; - default: - abort(); - } - } else { - if (!ost->enc) { - /* should only happen when a default codec is not present. */ - snprintf(error, sizeof(error), "Automatic encoder selection " - "failed for output stream #%d:%d. Default encoder for " - "format %s is probably disabled. Please choose an " - "encoder manually.\n", ost->file_index, ost->index, - oc->oformat->name); - ret = AVERROR(EINVAL); - goto dump_format; - } - - if (ist) - ist->decoding_needed = 1; - ost->encoding_needed = 1; - - /* - * We want CFR output if and only if one of those is true: - * 1) user specified output framerate with -r - * 2) user specified -vsync cfr - * 3) output format is CFR and the user didn't force vsync to - * something else than CFR - * - * in such a case, set ost->frame_rate - */ - if (codec->codec_type == AVMEDIA_TYPE_VIDEO && - !ost->frame_rate.num && ist && - (video_sync_method == VSYNC_CFR || - (video_sync_method == VSYNC_AUTO && - !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) { - ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1}; - if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { - int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); - ost->frame_rate = ost->enc->supported_framerates[idx]; - } - } - - if (!ost->filter && - (codec->codec_type == AVMEDIA_TYPE_VIDEO || - codec->codec_type == AVMEDIA_TYPE_AUDIO)) { - FilterGraph *fg; - fg = init_simple_filtergraph(ist, ost); - if (configure_simple_filtergraph(fg)) { - av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); - exit(1); - } - } - - switch (codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - codec->sample_fmt = ost->filter->filter->inputs[0]->format; - codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate; - codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout; - codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout); - codec->time_base = (AVRational){ 1, codec->sample_rate }; - break; - case AVMEDIA_TYPE_VIDEO: - codec->time_base = ost->filter->filter->inputs[0]->time_base; - - codec->width = ost->filter->filter->inputs[0]->w; - codec->height = ost->filter->filter->inputs[0]->h; - codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = - ost->frame_aspect_ratio ? // overridden by the -aspect cli option - av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) : - ost->filter->filter->inputs[0]->sample_aspect_ratio; - codec->pix_fmt = ost->filter->filter->inputs[0]->format; - - if (codec->width != icodec->width || - codec->height != icodec->height || - codec->pix_fmt != icodec->pix_fmt) { - codec->bits_per_raw_sample = 0; - } - - break; - case AVMEDIA_TYPE_SUBTITLE: - codec->time_base = (AVRational){1, 1000}; - break; - default: - abort(); - break; - } - /* two pass mode */ - if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { - char logfilename[1024]; - FILE *f; - - snprintf(logfilename, sizeof(logfilename), "%s-%d.log", - pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX, - i); - if (!strcmp(ost->enc->name, "libx264")) { - av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); - } else { - if (codec->flags & CODEC_FLAG_PASS1) { - f = fopen(logfilename, "wb"); - if (!f) { - av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", - logfilename, strerror(errno)); - exit_program(1); - } - ost->logfile = f; - } else { - char *logbuffer; - size_t logbuffer_size; - if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", - logfilename); - exit_program(1); - } - codec->stats_in = logbuffer; - } - } - } - } - } - - /* open each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost->encoding_needed) { - AVCodec *codec = ost->enc; - AVCodecContext *dec = NULL; - - if ((ist = get_input_stream(ost))) - dec = ist->st->codec; - if (dec && dec->subtitle_header) { - ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size); - if (!ost->st->codec->subtitle_header) { - ret = AVERROR(ENOMEM); - goto dump_format; - } - memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); - ost->st->codec->subtitle_header_size = dec->subtitle_header_size; - } - if (!av_dict_get(ost->opts, "threads", NULL, 0)) - av_dict_set(&ost->opts, "threads", "auto", 0); - if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) { - snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", - ost->file_index, ost->index); - ret = AVERROR(EINVAL); - goto dump_format; - } - assert_codec_experimental(ost->st->codec, 1); - assert_avoptions(ost->opts); - if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) - av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." - "It takes bits/s as argument, not kbits/s\n"); - extra_size += ost->st->codec->extradata_size; - - if (ost->st->codec->me_threshold) - input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV; - } - } - - /* init input streams */ - for (i = 0; i < nb_input_streams; i++) - if ((ret = init_input_stream(i, error, sizeof(error))) < 0) - goto dump_format; - - /* discard unused programs */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - for (j = 0; j < ifile->ctx->nb_programs; j++) { - AVProgram *p = ifile->ctx->programs[j]; - int discard = AVDISCARD_ALL; - - for (k = 0; k < p->nb_stream_indexes; k++) - if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { - discard = AVDISCARD_DEFAULT; - break; - } - p->discard = discard; - } - } - - /* open files and write file headers */ - for (i = 0; i < nb_output_files; i++) { - oc = output_files[i]->ctx; - oc->interrupt_callback = int_cb; - if (avformat_write_header(oc, &output_files[i]->opts) < 0) { - snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i); - ret = AVERROR(EINVAL); - goto dump_format; - } - assert_avoptions(output_files[i]->opts); - if (strcmp(oc->oformat->name, "rtp")) { - want_sdp = 0; - } - } - - dump_format: - /* dump the file output parameters - cannot be done before in case - of stream copy */ - for (i = 0; i < nb_output_files; i++) { - av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); + dec->channel_layout = av_get_default_channel_layout(dec->channels); + if (!dec->channel_layout) + return 0; + av_get_channel_layout_string(layout_name, sizeof(layout_name), + dec->channels, dec->channel_layout); + av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " + "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); } + return 1; +} - /* dump the stream mapping */ - av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; +static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVFrame *decoded_frame, *f; + AVCodecContext *avctx = ist->st->codec; + int i, ret, err = 0, resample_changed; - for (j = 0; j < ist->nb_filters; j++) { - AVFilterLink *link = ist->filters[j]->filter->outputs[0]; - if (ist->filters[j]->graph->graph_desc) { - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", - ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", - link->dst->filter->name); - if (link->dst->input_count > 1) - av_log(NULL, AV_LOG_INFO, ":%s", link->dstpad->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); - av_log(NULL, AV_LOG_INFO, "\n"); - } + if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) + return AVERROR(ENOMEM); + if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + decoded_frame = ist->decoded_frame; + + ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); + if (!*got_output || ret < 0) { + if (!pkt->size) { + for (i = 0; i < ist->nb_filters; i++) + av_buffersrc_add_frame(ist->filters[i]->filter, NULL); } + return ret; } - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; + /* if the decoder provides a pts, use it instead of the last packet pts. + the decoder could be delaying output by a packet or more. */ + if (decoded_frame->pts != AV_NOPTS_VALUE) + ist->next_dts = decoded_frame->pts; + else if (pkt->pts != AV_NOPTS_VALUE) { + decoded_frame->pts = pkt->pts; + pkt->pts = AV_NOPTS_VALUE; + } - if (ost->attachment_filename) { - /* an attached file */ - av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", - ost->attachment_filename, ost->file_index, ost->index); - continue; + resample_changed = ist->resample_sample_fmt != decoded_frame->format || + ist->resample_channels != avctx->channels || + ist->resample_channel_layout != decoded_frame->channel_layout || + ist->resample_sample_rate != decoded_frame->sample_rate; + if (resample_changed) { + char layout1[64], layout2[64]; + + if (!guess_input_channel_layout(ist)) { + av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " + "layout for Input Stream #%d.%d\n", ist->file_index, + ist->st->index); + exit_program(1); } + decoded_frame->channel_layout = avctx->channel_layout; - if (ost->filter && ost->filter->graph->graph_desc) { - /* output from a complex graph */ - AVFilterLink *link = ost->filter->filter->inputs[0]; - av_log(NULL, AV_LOG_INFO, " %s", link->src->filter->name); - if (link->src->output_count > 1) - av_log(NULL, AV_LOG_INFO, ":%s", link->srcpad->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); + av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, + ist->resample_channel_layout); + av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, + decoded_frame->channel_layout); - av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, - ost->index, ost->enc ? ost->enc->name : "?"); - continue; - } + av_log(NULL, AV_LOG_INFO, + "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", + ist->file_index, ist->st->index, + ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), + ist->resample_channels, layout1, + decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), + avctx->channels, layout2); - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", - input_streams[ost->source_index]->file_index, - input_streams[ost->source_index]->st->index, - ost->file_index, - ost->index); - if (ost->sync_ist != input_streams[ost->source_index]) - av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", - ost->sync_ist->file_index, - ost->sync_ist->st->index); - if (ost->stream_copy) - av_log(NULL, AV_LOG_INFO, " (copy)"); - else - av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ? - input_streams[ost->source_index]->dec->name : "?", - ost->enc ? ost->enc->name : "?"); - av_log(NULL, AV_LOG_INFO, "\n"); - } + ist->resample_sample_fmt = decoded_frame->format; + ist->resample_sample_rate = decoded_frame->sample_rate; + ist->resample_channel_layout = decoded_frame->channel_layout; + ist->resample_channels = avctx->channels; - if (ret) { - av_log(NULL, AV_LOG_ERROR, "%s\n", error); - return ret; + for (i = 0; i < nb_filtergraphs; i++) + if (ist_in_filtergraph(filtergraphs[i], ist) && + configure_filtergraph(filtergraphs[i]) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); + exit_program(1); + } } - if (want_sdp) { - print_sdp(); + if (decoded_frame->pts != AV_NOPTS_VALUE) + decoded_frame->pts = av_rescale_q(decoded_frame->pts, + ist->st->time_base, + (AVRational){1, ist->st->codec->sample_rate}); + for (i = 0; i < ist->nb_filters; i++) { + if (i < ist->nb_filters - 1) { + f = ist->filter_frame; + err = av_frame_ref(f, decoded_frame); + if (err < 0) + break; + } else + f = decoded_frame; + + err = av_buffersrc_add_frame(ist->filters[i]->filter, f); + if (err < 0) + break; } - return 0; + av_frame_unref(ist->filter_frame); + av_frame_unref(decoded_frame); + return err < 0 ? err : ret; } -/* - * The following code is the main loop of the file converter - */ -static int transcode(void) +static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) { - int ret, i; - AVFormatContext *is, *os; - OutputStream *ost; - InputStream *ist; - uint8_t *no_packet; - int no_packet_count = 0; - int64_t timer_start; - - if (!(no_packet = av_mallocz(nb_input_files))) - exit_program(1); - - ret = transcode_init(); - if (ret < 0) - goto fail; + AVFrame *decoded_frame, *f; + int i, ret = 0, err = 0, resample_changed; - av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n"); - term_init(); + if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) + return AVERROR(ENOMEM); + decoded_frame = ist->decoded_frame; - timer_start = av_gettime(); + ret = avcodec_decode_video2(ist->st->codec, + decoded_frame, got_output, pkt); + if (!*got_output || ret < 0) { + if (!pkt->size) { + for (i = 0; i < ist->nb_filters; i++) + av_buffersrc_add_frame(ist->filters[i]->filter, NULL); + } + return ret; + } - for (; received_sigterm == 0;) { - int file_index, ist_index, past_recording_time = 1; - AVPacket pkt; - int64_t ipts_min; + decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts, + decoded_frame->pkt_dts); + pkt->size = 0; - ipts_min = INT64_MAX; + if (ist->st->sample_aspect_ratio.num) + decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; - /* check if there's any stream where output is still needed */ - for (i = 0; i < nb_output_streams; i++) { - OutputFile *of; - ost = output_streams[i]; - of = output_files[ost->file_index]; - os = output_files[ost->file_index]->ctx; - if (ost->is_past_recording_time || - (os->pb && avio_tell(os->pb) >= of->limit_filesize)) - continue; - if (ost->frame_number > ost->max_frames) { - int j; - for (j = 0; j < of->ctx->nb_streams; j++) - output_streams[of->ost_index + j]->is_past_recording_time = 1; - continue; - } - past_recording_time = 0; - } - if (past_recording_time) - break; + resample_changed = ist->resample_width != decoded_frame->width || + ist->resample_height != decoded_frame->height || + ist->resample_pix_fmt != decoded_frame->format; + if (resample_changed) { + av_log(NULL, AV_LOG_INFO, + "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", + ist->file_index, ist->st->index, + ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), + decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); - /* select the stream that we must read now by looking at the - smallest output pts */ - file_index = -1; - for (i = 0; i < nb_input_streams; i++) { - int64_t ipts; - ist = input_streams[i]; - ipts = ist->last_dts; - if (ist->discard || no_packet[ist->file_index]) - continue; - if (!input_files[ist->file_index]->eof_reached) { - if (ipts < ipts_min) { - ipts_min = ipts; - file_index = ist->file_index; - } - } - } - /* if none, if is finished */ - if (file_index < 0) { - if (no_packet_count) { - no_packet_count = 0; - memset(no_packet, 0, nb_input_files); - usleep(10000); - continue; - } - break; - } + ret = poll_filters(); + if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) + av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); - /* read a frame from it and output it in the fifo */ - is = input_files[file_index]->ctx; - ret = av_read_frame(is, &pkt); - if (ret == AVERROR(EAGAIN)) { - no_packet[file_index] = 1; - no_packet_count++; - continue; - } - if (ret < 0) { - input_files[file_index]->eof_reached = 1; + ist->resample_width = decoded_frame->width; + ist->resample_height = decoded_frame->height; + ist->resample_pix_fmt = decoded_frame->format; - for (i = 0; i < input_files[file_index]->nb_streams; i++) { - ist = input_streams[input_files[file_index]->ist_index + i]; - if (ist->decoding_needed) - output_packet(ist, NULL); + for (i = 0; i < nb_filtergraphs; i++) + if (ist_in_filtergraph(filtergraphs[i], ist) && + configure_filtergraph(filtergraphs[i]) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); + exit_program(1); } + } - if (opt_shortest) + for (i = 0; i < ist->nb_filters; i++) { + if (i < ist->nb_filters - 1) { + f = ist->filter_frame; + err = av_frame_ref(f, decoded_frame); + if (err < 0) break; - else - continue; - } + } else + f = decoded_frame; - no_packet_count = 0; - memset(no_packet, 0, nb_input_files); + err = av_buffersrc_add_frame(ist->filters[i]->filter, f); + if (err < 0) + break; + } - if (do_pkt_dump) { - av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, - is->streams[pkt.stream_index]); - } - /* the following test is needed in case new streams appear - dynamically in stream : we ignore them */ - if (pkt.stream_index >= input_files[file_index]->nb_streams) - goto discard_packet; - ist_index = input_files[file_index]->ist_index + pkt.stream_index; - ist = input_streams[ist_index]; - if (ist->discard) - goto discard_packet; + av_frame_unref(ist->filter_frame); + av_frame_unref(decoded_frame); + return err < 0 ? err : ret; +} - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); +static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVSubtitle subtitle; + int i, ret = avcodec_decode_subtitle2(ist->st->codec, + &subtitle, got_output, pkt); + if (ret < 0) + return ret; + if (!*got_output) + return ret; - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts *= ist->ts_scale; - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts *= ist->ts_scale; - - //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", - // ist->next_dts, - // pkt.dts, input_files[ist->file_index].ts_offset, - // ist->st->codec->codec_type); - if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE - && (is->iformat->flags & AVFMT_TS_DISCONT)) { - int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); - int64_t delta = pkt_dts - ist->next_dts; - if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) { - input_files[ist->file_index]->ts_offset -= delta; - av_log(NULL, AV_LOG_DEBUG, - "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", - delta, input_files[ist->file_index]->ts_offset); - pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - } - } + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; - // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size); - if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) { - av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n", - ist->file_index, ist->st->index); - if (exit_on_error) - exit_program(1); - av_free_packet(&pkt); + if (!check_output_constraints(ist, ost) || !ost->encoding_needed) continue; - } - - discard_packet: - av_free_packet(&pkt); - /* dump report by using the output first video and audio streams */ - print_report(0, timer_start); + do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts); } - /* at the end of stream, we must flush the decoder buffers */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { - output_packet(ist, NULL); - } + avsubtitle_free(&subtitle); + return ret; +} + +/* pkt = NULL means EOF (needed to flush decoder buffers) */ +static int output_packet(InputStream *ist, const AVPacket *pkt) +{ + int i; + int got_output; + AVPacket avpkt; + + if (ist->next_dts == AV_NOPTS_VALUE) + ist->next_dts = ist->last_dts; + + if (pkt == NULL) { + /* EOF handling */ + av_init_packet(&avpkt); + avpkt.data = NULL; + avpkt.size = 0; + goto handle_eof; + } else { + avpkt = *pkt; } - poll_filters(); - flush_encoders(); - term_exit(); + if (pkt->dts != AV_NOPTS_VALUE) + ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); + + // while we have more to decode or while the decoder did output something on EOF + while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { + int ret = 0; + handle_eof: - /* write the trailer if needed and close file */ - for (i = 0; i < nb_output_files; i++) { - os = output_files[i]->ctx; - av_write_trailer(os); - } + ist->last_dts = ist->next_dts; - /* dump report by using the first video and audio streams */ - print_report(1, timer_start); + if (avpkt.size && avpkt.size != pkt->size) { + av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, + "Multiple frames in a packet from stream %d\n", pkt->stream_index); + ist->showed_multi_packet_warning = 1; + } - /* close each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost->encoding_needed) { - av_freep(&ost->st->codec->stats_in); - avcodec_close(ost->st->codec); + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ret = decode_audio (ist, &avpkt, &got_output); + break; + case AVMEDIA_TYPE_VIDEO: + ret = decode_video (ist, &avpkt, &got_output); + if (avpkt.duration) + ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); + else if (ist->st->avg_frame_rate.num) + ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate), + AV_TIME_BASE_Q); + else if (ist->st->codec->time_base.num != 0) { + int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : + ist->st->codec->ticks_per_frame; + ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q); + } + break; + case AVMEDIA_TYPE_SUBTITLE: + ret = transcode_subtitles(ist, &avpkt, &got_output); + break; + default: + return -1; } - } - /* close each decoder */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->decoding_needed) { - avcodec_close(ist->st->codec); + if (ret < 0) + return ret; + // touch data and size only if not EOF + if (pkt) { + avpkt.data += ret; + avpkt.size -= ret; + } + if (!got_output) { + continue; } } - /* finished ! */ - ret = 0; - - fail: - av_freep(&no_packet); - - if (output_streams) { - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost) { - if (ost->stream_copy) - av_freep(&ost->st->codec->extradata); - if (ost->logfile) { - fclose(ost->logfile); - ost->logfile = NULL; - } - av_freep(&ost->st->codec->subtitle_header); - av_free(ost->forced_kf_pts); - av_dict_free(&ost->opts); + /* handle stream copy */ + if (!ist->decoding_needed) { + ist->last_dts = ist->next_dts; + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / + ist->st->codec->sample_rate; + break; + case AVMEDIA_TYPE_VIDEO: + if (ist->st->codec->time_base.num != 0) { + int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; + ist->next_dts += ((int64_t)AV_TIME_BASE * + ist->st->codec->time_base.num * ticks) / + ist->st->codec->time_base.den; } + break; } } - return ret; -} + for (i = 0; pkt && i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; -static double parse_frame_aspect_ratio(const char *arg) -{ - int x = 0, y = 0; - double ar = 0; - const char *p; - char *end; - - p = strchr(arg, ':'); - if (p) { - x = strtol(arg, &end, 10); - if (end == p) - y = strtol(end + 1, &end, 10); - if (x > 0 && y > 0) - ar = (double)x / (double)y; - } else - ar = strtod(arg, NULL); + if (!check_output_constraints(ist, ost) || ost->encoding_needed) + continue; - if (!ar) { - av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n"); - exit_program(1); + do_streamcopy(ist, ost, pkt); } - return ar; -} -static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:a", arg, options); + return 0; } -static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg) +static void print_sdp(void) { - return parse_option(o, "codec:v", arg, options); -} + char sdp[16384]; + int i; + AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); -static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:s", arg, options); -} + if (!avc) + exit_program(1); + for (i = 0; i < nb_output_files; i++) + avc[i] = output_files[i]->ctx; -static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:d", arg, options); + av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); + printf("SDP:\n%s\n", sdp); + fflush(stdout); + av_freep(&avc); } -static int opt_map(OptionsContext *o, const char *opt, const char *arg) +static int init_input_stream(int ist_index, char *error, int error_len) { - StreamMap *m = NULL; - int i, negative = 0, file_idx; - int sync_file_idx = -1, sync_stream_idx; - char *p, *sync; - char *map; - - if (*arg == '-') { - negative = 1; - arg++; - } - map = av_strdup(arg); - - /* parse sync stream first, just pick first matching stream */ - if (sync = strchr(map, ',')) { - *sync = 0; - sync_file_idx = strtol(sync + 1, &sync, 0); - if (sync_file_idx >= nb_input_files || sync_file_idx < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx); - exit_program(1); + int i, ret; + InputStream *ist = input_streams[ist_index]; + if (ist->decoding_needed) { + AVCodec *codec = ist->dec; + if (!codec) { + snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d", + ist->st->codec->codec_id, ist->file_index, ist->st->index); + return AVERROR(EINVAL); } - if (*sync) - sync++; - for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++) - if (check_stream_specifier(input_files[sync_file_idx]->ctx, - input_files[sync_file_idx]->ctx->streams[i], sync) == 1) { - sync_stream_idx = i; + + /* update requested sample format for the decoder based on the + corresponding encoder sample format */ + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + if (ost->source_index == ist_index) { + update_sample_fmt(ist->st->codec, codec, ost->st->codec); break; } - if (i == input_files[sync_file_idx]->nb_streams) { - av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not " - "match any streams.\n", arg); - exit_program(1); } - } + av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0); - if (map[0] == '[') { - /* this mapping refers to lavfi output */ - const char *c = map + 1; - o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps), - &o->nb_stream_maps, o->nb_stream_maps + 1); - m = &o->stream_maps[o->nb_stream_maps - 1]; - m->linklabel = av_get_token(&c, "]"); - if (!m->linklabel) { - av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); - exit_program(1); - } - } else { - file_idx = strtol(map, &p, 0); - if (file_idx >= nb_input_files || file_idx < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx); - exit_program(1); + if (!av_dict_get(ist->opts, "threads", NULL, 0)) + av_dict_set(&ist->opts, "threads", "auto", 0); + if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) { + char errbuf[128]; + if (ret == AVERROR_EXPERIMENTAL) + abort_codec_experimental(codec, 0); + + av_strerror(ret, errbuf, sizeof(errbuf)); + + snprintf(error, error_len, + "Error while opening decoder for input stream " + "#%d:%d : %s", + ist->file_index, ist->st->index, errbuf); + return ret; } - if (negative) - /* disable some already defined maps */ - for (i = 0; i < o->nb_stream_maps; i++) { - m = &o->stream_maps[i]; - if (file_idx == m->file_index && - check_stream_specifier(input_files[m->file_index]->ctx, - input_files[m->file_index]->ctx->streams[m->stream_index], - *p == ':' ? p + 1 : p) > 0) - m->disabled = 1; - } - else - for (i = 0; i < input_files[file_idx]->nb_streams; i++) { - if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i], - *p == ':' ? p + 1 : p) <= 0) - continue; - o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps), - &o->nb_stream_maps, o->nb_stream_maps + 1); - m = &o->stream_maps[o->nb_stream_maps - 1]; - - m->file_index = file_idx; - m->stream_index = i; - - if (sync_file_idx >= 0) { - m->sync_file_index = sync_file_idx; - m->sync_stream_index = sync_stream_idx; - } else { - m->sync_file_index = file_idx; - m->sync_stream_index = i; - } - } + assert_avoptions(ist->opts); } - if (!m) { - av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg); - exit_program(1); - } + ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; + ist->next_dts = AV_NOPTS_VALUE; + init_pts_correction(&ist->pts_ctx); + ist->is_start = 1; - av_freep(&map); return 0; } -static int opt_attach(OptionsContext *o, const char *opt, const char *arg) +static InputStream *get_input_stream(OutputStream *ost) { - o->attachments = grow_array(o->attachments, sizeof(*o->attachments), - &o->nb_attachments, o->nb_attachments + 1); - o->attachments[o->nb_attachments - 1] = arg; - return 0; -} + if (ost->source_index >= 0) + return input_streams[ost->source_index]; -/** - * Parse a metadata specifier in arg. - * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram) - * @param index for type c/p, chapter/program index is written here - * @param stream_spec for type s, the stream specifier is written here - */ -static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec) -{ - if (*arg) { - *type = *arg; - switch (*arg) { - case 'g': - break; - case 's': - if (*(++arg) && *arg != ':') { - av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg); - exit_program(1); - } - *stream_spec = *arg == ':' ? arg + 1 : ""; - break; - case 'c': - case 'p': - if (*(++arg) == ':') - *index = strtol(++arg, NULL, 0); - break; - default: - av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg); - exit_program(1); - } - } else - *type = 'g'; + if (ost->filter) { + FilterGraph *fg = ost->filter->graph; + int i; + + for (i = 0; i < fg->nb_inputs; i++) + if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type) + return fg->inputs[i]->ist; + } + + return NULL; } -static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) +static void parse_forced_key_frames(char *kf, OutputStream *ost, + AVCodecContext *avctx) { - AVDictionary **meta_in = NULL; - AVDictionary **meta_out; - int i, ret = 0; - char type_in, type_out; - const char *istream_spec = NULL, *ostream_spec = NULL; - int idx_in = 0, idx_out = 0; - - parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); - parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); - - if (type_in == 'g' || type_out == 'g') - o->metadata_global_manual = 1; - if (type_in == 's' || type_out == 's') - o->metadata_streams_manual = 1; - if (type_in == 'c' || type_out == 'c') - o->metadata_chapters_manual = 1; - -#define METADATA_CHECK_INDEX(index, nb_elems, desc)\ - if ((index) < 0 || (index) >= (nb_elems)) {\ - av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ - (desc), (index));\ - exit_program(1);\ - } + char *p; + int n = 1, i; + int64_t t; -#define SET_DICT(type, meta, context, index)\ - switch (type) {\ - case 'g':\ - meta = &context->metadata;\ - break;\ - case 'c':\ - METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ - meta = &context->chapters[index]->metadata;\ - break;\ - case 'p':\ - METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ - meta = &context->programs[index]->metadata;\ - break;\ - }\ - - SET_DICT(type_in, meta_in, ic, idx_in); - SET_DICT(type_out, meta_out, oc, idx_out); - - /* for input streams choose first matching stream */ - if (type_in == 's') { - for (i = 0; i < ic->nb_streams; i++) { - if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { - meta_in = &ic->streams[i]->metadata; - break; - } else if (ret < 0) - exit_program(1); - } - if (!meta_in) { - av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); - exit_program(1); - } + for (p = kf; *p; p++) + if (*p == ',') + n++; + ost->forced_kf_count = n; + ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); + if (!ost->forced_kf_pts) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); + exit_program(1); } - if (type_out == 's') { - for (i = 0; i < oc->nb_streams; i++) { - if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { - meta_out = &oc->streams[i]->metadata; - av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); - } else if (ret < 0) - exit_program(1); - } - } else - av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); + p = kf; + for (i = 0; i < n; i++) { + char *next = strchr(p, ','); - return 0; + if (next) + *next++ = 0; + + t = parse_time_or_die("force_key_frames", p, 1); + ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); + + p = next; + } } -static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) +static int transcode_init(void) { - const char *codec_string = encoder ? "encoder" : "decoder"; - AVCodec *codec; + int ret = 0, i, j, k; + AVFormatContext *oc; + AVCodecContext *codec; + OutputStream *ost; + InputStream *ist; + char error[1024]; + int want_sdp = 1; - codec = encoder ? - avcodec_find_encoder_by_name(name) : - avcodec_find_decoder_by_name(name); - if (!codec) { - av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); - exit_program(1); + /* init framerate emulation */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = input_files[i]; + if (ifile->rate_emu) + for (j = 0; j < ifile->nb_streams; j++) + input_streams[j + ifile->ist_index]->start = av_gettime(); } - if (codec->type != type) { - av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); - exit_program(1); + + /* output stream init */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i]->ctx; + if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { + av_dump_format(oc, i, oc->filename, 1); + av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); + return AVERROR(EINVAL); + } } - return codec; -} -static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) -{ - char *codec_name = NULL; + /* init complex filtergraphs */ + for (i = 0; i < nb_filtergraphs; i++) + if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) + return ret; + + /* for each output stream, we compute the right encoding parameters */ + for (i = 0; i < nb_output_streams; i++) { + AVCodecContext *icodec = NULL; + ost = output_streams[i]; + oc = output_files[ost->file_index]->ctx; + ist = get_input_stream(ost); + + if (ost->attachment_filename) + continue; + + codec = ost->st->codec; + + if (ist) { + icodec = ist->st->codec; - MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); - if (codec_name) { - AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0); - st->codec->codec_id = codec->id; - return codec; - } else - return avcodec_find_decoder(st->codec->codec_id); -} + ost->st->disposition = ist->st->disposition; + codec->bits_per_raw_sample = icodec->bits_per_raw_sample; + codec->chroma_sample_location = icodec->chroma_sample_location; + } -/** - * Add all the streams from the given input file to the global - * list of input streams. - */ -static void add_input_streams(OptionsContext *o, AVFormatContext *ic) -{ - int i; + if (ost->stream_copy) { + AVRational sar; + uint64_t extra_size; - for (i = 0; i < ic->nb_streams; i++) { - AVStream *st = ic->streams[i]; - AVCodecContext *dec = st->codec; - InputStream *ist = av_mallocz(sizeof(*ist)); + av_assert0(ist && !ost->filter); - if (!ist) - exit_program(1); + extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; - input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); - input_streams[nb_input_streams - 1] = ist; + if (extra_size > INT_MAX) { + return AVERROR(EINVAL); + } - ist->st = st; - ist->file_index = nb_input_files; - ist->discard = 1; - st->discard = AVDISCARD_ALL; - ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st); + /* if stream_copy is selected, no need to decode or encode */ + codec->codec_id = icodec->codec_id; + codec->codec_type = icodec->codec_type; - ist->ts_scale = 1.0; - MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); + if (!codec->codec_tag) { + if (!oc->oformat->codec_tag || + av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || + av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0) + codec->codec_tag = icodec->codec_tag; + } - ist->dec = choose_decoder(o, ic, st); + codec->bit_rate = icodec->bit_rate; + codec->rc_max_rate = icodec->rc_max_rate; + codec->rc_buffer_size = icodec->rc_buffer_size; + codec->field_order = icodec->field_order; + codec->extradata = av_mallocz(extra_size); + if (!codec->extradata) { + return AVERROR(ENOMEM); + } + memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); + codec->extradata_size = icodec->extradata_size; + if (!copy_tb) { + codec->time_base = icodec->time_base; + codec->time_base.num *= icodec->ticks_per_frame; + av_reduce(&codec->time_base.num, &codec->time_base.den, + codec->time_base.num, codec->time_base.den, INT_MAX); + } else + codec->time_base = ist->st->time_base; - switch (dec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - ist->resample_height = dec->height; - ist->resample_width = dec->width; - ist->resample_pix_fmt = dec->pix_fmt; + ost->parser = av_parser_init(codec->codec_id); - break; - case AVMEDIA_TYPE_AUDIO: - guess_input_channel_layout(ist); + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + if (audio_volume != 256) { + av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); + exit_program(1); + } + codec->channel_layout = icodec->channel_layout; + codec->sample_rate = icodec->sample_rate; + codec->channels = icodec->channels; + codec->frame_size = icodec->frame_size; + codec->audio_service_type = icodec->audio_service_type; + codec->block_align = icodec->block_align; + break; + case AVMEDIA_TYPE_VIDEO: + codec->pix_fmt = icodec->pix_fmt; + codec->width = icodec->width; + codec->height = icodec->height; + codec->has_b_frames = icodec->has_b_frames; + if (ost->frame_aspect_ratio) + sar = av_d2q(ost->frame_aspect_ratio * codec->height / codec->width, 255); + else if (ist->st->sample_aspect_ratio.num) + sar = ist->st->sample_aspect_ratio; + else + sar = icodec->sample_aspect_ratio; + ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar; + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->width = icodec->width; + codec->height = icodec->height; + break; + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_ATTACHMENT: + break; + default: + abort(); + } + } else { + if (!ost->enc) { + /* should only happen when a default codec is not present. */ + snprintf(error, sizeof(error), "Automatic encoder selection " + "failed for output stream #%d:%d. Default encoder for " + "format %s is probably disabled. Please choose an " + "encoder manually.\n", ost->file_index, ost->index, + oc->oformat->name); + ret = AVERROR(EINVAL); + goto dump_format; + } - ist->resample_sample_fmt = dec->sample_fmt; - ist->resample_sample_rate = dec->sample_rate; - ist->resample_channels = dec->channels; - ist->resample_channel_layout = dec->channel_layout; + if (ist) + ist->decoding_needed = 1; + ost->encoding_needed = 1; - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_SUBTITLE: - case AVMEDIA_TYPE_ATTACHMENT: - case AVMEDIA_TYPE_UNKNOWN: - break; - default: - abort(); - } - } -} + /* + * We want CFR output if and only if one of those is true: + * 1) user specified output framerate with -r + * 2) user specified -vsync cfr + * 3) output format is CFR and the user didn't force vsync to + * something else than CFR + * + * in such a case, set ost->frame_rate + */ + if (codec->codec_type == AVMEDIA_TYPE_VIDEO && + !ost->frame_rate.num && ist && + (video_sync_method == VSYNC_CFR || + (video_sync_method == VSYNC_AUTO && + !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) { + ost->frame_rate = ist->framerate.num ? ist->framerate : + ist->st->avg_frame_rate.num ? + ist->st->avg_frame_rate : + (AVRational){25, 1}; -static void assert_file_overwrite(const char *filename) -{ - if (!file_overwrite && - (strchr(filename, ':') == NULL || filename[1] == ':' || - av_strstart(filename, "file:", NULL))) { - if (avio_check(filename, 0) == 0) { - if (!using_stdin) { - fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); - fflush(stderr); - if (!read_yesno()) { - fprintf(stderr, "Not overwriting - exiting\n"); - exit_program(1); + if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { + int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); + ost->frame_rate = ost->enc->supported_framerates[idx]; } } - else { - fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); - exit_program(1); + + if (!ost->filter && + (codec->codec_type == AVMEDIA_TYPE_VIDEO || + codec->codec_type == AVMEDIA_TYPE_AUDIO)) { + FilterGraph *fg; + fg = init_simple_filtergraph(ist, ost); + if (configure_filtergraph(fg)) { + av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); + exit_program(1); + } } - } - } -} -static void dump_attachment(AVStream *st, const char *filename) -{ - int ret; - AVIOContext *out = NULL; - AVDictionaryEntry *e; + switch (codec->codec_type) { + case AVMEDIA_TYPE_AUDIO: + codec->sample_fmt = ost->filter->filter->inputs[0]->format; + codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate; + codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout; + codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout); + codec->time_base = (AVRational){ 1, codec->sample_rate }; + break; + case AVMEDIA_TYPE_VIDEO: + codec->time_base = ost->filter->filter->inputs[0]->time_base; - if (!st->codec->extradata_size) { - av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n", - nb_input_files - 1, st->index); - return; - } - if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0))) - filename = e->value; - if (!*filename) { - av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag" - "in stream #%d:%d.\n", nb_input_files - 1, st->index); - exit_program(1); - } + codec->width = ost->filter->filter->inputs[0]->w; + codec->height = ost->filter->filter->inputs[0]->h; + codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = + ost->frame_aspect_ratio ? // overridden by the -aspect cli option + av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) : + ost->filter->filter->inputs[0]->sample_aspect_ratio; + codec->pix_fmt = ost->filter->filter->inputs[0]->format; - assert_file_overwrite(filename); + if (icodec && + (codec->width != icodec->width || + codec->height != icodec->height || + codec->pix_fmt != icodec->pix_fmt)) { + codec->bits_per_raw_sample = 0; + } - if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n", - filename); - exit_program(1); + if (ost->forced_keyframes) + parse_forced_key_frames(ost->forced_keyframes, ost, + ost->st->codec); + break; + case AVMEDIA_TYPE_SUBTITLE: + codec->time_base = (AVRational){1, 1000}; + break; + default: + abort(); + break; + } + /* two pass mode */ + if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) { + char logfilename[1024]; + FILE *f; + + snprintf(logfilename, sizeof(logfilename), "%s-%d.log", + ost->logfile_prefix ? ost->logfile_prefix : + DEFAULT_PASS_LOGFILENAME_PREFIX, + i); + if (!strcmp(ost->enc->name, "libx264")) { + av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); + } else { + if (codec->flags & CODEC_FLAG_PASS1) { + f = fopen(logfilename, "wb"); + if (!f) { + av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", + logfilename, strerror(errno)); + exit_program(1); + } + ost->logfile = f; + } else { + char *logbuffer; + size_t logbuffer_size; + if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", + logfilename); + exit_program(1); + } + codec->stats_in = logbuffer; + } + } + } + } } - avio_write(out, st->codec->extradata, st->codec->extradata_size); - avio_flush(out); - avio_close(out); -} + /* open each encoder */ + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + if (ost->encoding_needed) { + AVCodec *codec = ost->enc; + AVCodecContext *dec = NULL; -static int opt_input_file(OptionsContext *o, const char *opt, const char *filename) -{ - AVFormatContext *ic; - AVInputFormat *file_iformat = NULL; - int err, i, ret; - int64_t timestamp; - uint8_t buf[128]; - AVDictionary **opts; - int orig_nb_streams; // number of streams before avformat_find_stream_info - - if (o->format) { - if (!(file_iformat = av_find_input_format(o->format))) { - av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format); - exit_program(1); + if ((ist = get_input_stream(ost))) + dec = ist->st->codec; + if (dec && dec->subtitle_header) { + ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size); + if (!ost->st->codec->subtitle_header) { + ret = AVERROR(ENOMEM); + goto dump_format; + } + memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); + ost->st->codec->subtitle_header_size = dec->subtitle_header_size; + } + if (!av_dict_get(ost->opts, "threads", NULL, 0)) + av_dict_set(&ost->opts, "threads", "auto", 0); + if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) { + if (ret == AVERROR_EXPERIMENTAL) + abort_codec_experimental(codec, 1); + snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", + ost->file_index, ost->index); + goto dump_format; + } + assert_avoptions(ost->opts); + if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) + av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." + "It takes bits/s as argument, not kbits/s\n"); + extra_size += ost->st->codec->extradata_size; + } else { + av_opt_set_dict(ost->st->codec, &ost->opts); } } - if (!strcmp(filename, "-")) - filename = "pipe:"; + /* init input streams */ + for (i = 0; i < nb_input_streams; i++) + if ((ret = init_input_stream(i, error, sizeof(error))) < 0) + goto dump_format; - using_stdin |= !strncmp(filename, "pipe:", 5) || - !strcmp(filename, "/dev/stdin"); + /* discard unused programs */ + for (i = 0; i < nb_input_files; i++) { + InputFile *ifile = input_files[i]; + for (j = 0; j < ifile->ctx->nb_programs; j++) { + AVProgram *p = ifile->ctx->programs[j]; + int discard = AVDISCARD_ALL; - /* get default parameters from command line */ - ic = avformat_alloc_context(); - if (!ic) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); - } - if (o->nb_audio_sample_rate) { - snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i); - av_dict_set(&format_opts, "sample_rate", buf, 0); - } - if (o->nb_audio_channels) { - /* because we set audio_channels based on both the "ac" and - * "channel_layout" options, we need to check that the specified - * demuxer actually has the "channels" option before setting it */ - if (file_iformat && file_iformat->priv_class && - av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, - AV_OPT_SEARCH_FAKE_OBJ)) { - snprintf(buf, sizeof(buf), "%d", - o->audio_channels[o->nb_audio_channels - 1].u.i); - av_dict_set(&format_opts, "channels", buf, 0); + for (k = 0; k < p->nb_stream_indexes; k++) + if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { + discard = AVDISCARD_DEFAULT; + break; + } + p->discard = discard; } } - if (o->nb_frame_rates) { - av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0); - } - if (o->nb_frame_sizes) { - av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0); - } - if (o->nb_frame_pix_fmts) - av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); - - ic->flags |= AVFMT_FLAG_NONBLOCK; - ic->interrupt_callback = int_cb; - /* open the input file with generic libav function */ - err = avformat_open_input(&ic, filename, file_iformat, &format_opts); - if (err < 0) { - print_error(filename, err); - exit_program(1); + /* open files and write file headers */ + for (i = 0; i < nb_output_files; i++) { + oc = output_files[i]->ctx; + oc->interrupt_callback = int_cb; + if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { + char errbuf[128]; + av_strerror(ret, errbuf, sizeof(errbuf)); + snprintf(error, sizeof(error), + "Could not write header for output file #%d " + "(incorrect codec parameters ?): %s", + i, errbuf); + ret = AVERROR(EINVAL); + goto dump_format; + } + assert_avoptions(output_files[i]->opts); + if (strcmp(oc->oformat->name, "rtp")) { + want_sdp = 0; + } } - assert_avoptions(format_opts); - /* apply forced codec ids */ - for (i = 0; i < ic->nb_streams; i++) - choose_decoder(o, ic, ic->streams[i]); - - /* Set AVCodecContext options for avformat_find_stream_info */ - opts = setup_find_stream_info_opts(ic, codec_opts); - orig_nb_streams = ic->nb_streams; - - /* If not enough info to get the stream parameters, we decode the - first frames to get it. (used in mpeg case for example) */ - ret = avformat_find_stream_info(ic, opts); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename); - avformat_close_input(&ic); - exit_program(1); + dump_format: + /* dump the file output parameters - cannot be done before in case + of stream copy */ + for (i = 0; i < nb_output_files; i++) { + av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); } - timestamp = o->start_time; - /* add the stream start time */ - if (ic->start_time != AV_NOPTS_VALUE) - timestamp += ic->start_time; + /* dump the stream mapping */ + av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; - /* if seeking requested, we execute it */ - if (o->start_time != 0) { - ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD); - if (ret < 0) { - av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n", - filename, (double)timestamp / AV_TIME_BASE); + for (j = 0; j < ist->nb_filters; j++) { + if (ist->filters[j]->graph->graph_desc) { + av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", + ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", + ist->filters[j]->name); + if (nb_filtergraphs > 1) + av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); + av_log(NULL, AV_LOG_INFO, "\n"); + } } } - /* update the current parameters so that they match the one of the input stream */ - add_input_streams(o, ic); - - /* dump the file content */ - av_dump_format(ic, nb_input_files, filename, 0); + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; - input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1); - if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0])))) - exit_program(1); + if (ost->attachment_filename) { + /* an attached file */ + av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", + ost->attachment_filename, ost->file_index, ost->index); + continue; + } - input_files[nb_input_files - 1]->ctx = ic; - input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams; - input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp); - input_files[nb_input_files - 1]->nb_streams = ic->nb_streams; - input_files[nb_input_files - 1]->rate_emu = o->rate_emu; + if (ost->filter && ost->filter->graph->graph_desc) { + /* output from a complex graph */ + av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); + if (nb_filtergraphs > 1) + av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); - for (i = 0; i < o->nb_dump_attachment; i++) { - int j; + av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, + ost->index, ost->enc ? ost->enc->name : "?"); + continue; + } - for (j = 0; j < ic->nb_streams; j++) { - AVStream *st = ic->streams[j]; + av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", + input_streams[ost->source_index]->file_index, + input_streams[ost->source_index]->st->index, + ost->file_index, + ost->index); + if (ost->sync_ist != input_streams[ost->source_index]) + av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", + ost->sync_ist->file_index, + ost->sync_ist->st->index); + if (ost->stream_copy) + av_log(NULL, AV_LOG_INFO, " (copy)"); + else + av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ? + input_streams[ost->source_index]->dec->name : "?", + ost->enc ? ost->enc->name : "?"); + av_log(NULL, AV_LOG_INFO, "\n"); + } - if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) - dump_attachment(st, o->dump_attachment[i].u.str); - } + if (ret) { + av_log(NULL, AV_LOG_ERROR, "%s\n", error); + return ret; } - for (i = 0; i < orig_nb_streams; i++) - av_dict_free(&opts[i]); - av_freep(&opts); + if (want_sdp) { + print_sdp(); + } - reset_options(o); return 0; } -static void parse_forced_key_frames(char *kf, OutputStream *ost, - AVCodecContext *avctx) +/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ +static int need_output(void) { - char *p; - int n = 1, i; - int64_t t; + int i; - for (p = kf; *p; p++) - if (*p == ',') - n++; - ost->forced_kf_count = n; - ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n); - if (!ost->forced_kf_pts) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); - exit_program(1); - } - for (i = 0; i < n; i++) { - p = i ? strchr(p, ',') + 1 : kf; - t = parse_time_or_die("force_key_frames", p, 1); - ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); - } -} + for (i = 0; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + OutputFile *of = output_files[ost->file_index]; + AVFormatContext *os = output_files[ost->file_index]->ctx; -static uint8_t *get_line(AVIOContext *s) -{ - AVIOContext *line; - uint8_t *buf; - char c; + if (ost->finished || + (os->pb && avio_tell(os->pb) >= of->limit_filesize)) + continue; + if (ost->frame_number >= ost->max_frames) { + int j; + for (j = 0; j < of->ctx->nb_streams; j++) + output_streams[of->ost_index + j]->finished = 1; + continue; + } - if (avio_open_dyn_buf(&line) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); - exit_program(1); + return 1; } - while ((c = avio_r8(s)) && c != '\n') - avio_w8(line, c); - avio_w8(line, 0); - avio_close_dyn_buf(line, &buf); - - return buf; + return 0; } -static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) +static InputFile *select_input_file(void) { - int i, ret = 1; - char filename[1000]; - const char *base[3] = { getenv("AVCONV_DATADIR"), - getenv("HOME"), - AVCONV_DATADIR, - }; - - for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) { - if (!base[i]) + InputFile *ifile = NULL; + int64_t ipts_min = INT64_MAX; + int i; + + for (i = 0; i < nb_input_streams; i++) { + InputStream *ist = input_streams[i]; + int64_t ipts = ist->last_dts; + + if (ist->discard || input_files[ist->file_index]->eagain) continue; - if (codec_name) { - snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i], - i != 1 ? "" : "/.avconv", codec_name, preset_name); - ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); - } - if (ret) { - snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i], - i != 1 ? "" : "/.avconv", preset_name); - ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); + if (!input_files[ist->file_index]->eof_reached) { + if (ipts < ipts_min) { + ipts_min = ipts; + ifile = input_files[ist->file_index]; + } } } - return ret; -} -static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost) -{ - char *codec_name = NULL; - - MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st); - if (!codec_name) { - ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, - NULL, ost->st->codec->codec_type); - ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); - } else if (!strcmp(codec_name, "copy")) - ost->stream_copy = 1; - else { - ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1); - ost->st->codec->codec_id = ost->enc->id; - } + return ifile; } -static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) +#if HAVE_PTHREADS +static void *input_thread(void *arg) { - OutputStream *ost; - AVStream *st = avformat_new_stream(oc, NULL); - int idx = oc->nb_streams - 1, ret = 0; - char *bsf = NULL, *next, *codec_tag = NULL; - AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; - double qscale = -1; - char *buf = NULL, *arg = NULL, *preset = NULL; - AVIOContext *s = NULL; - - if (!st) { - av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); - exit_program(1); - } - - if (oc->nb_streams - 1 < o->nb_streamid_map) - st->id = o->streamid_map[oc->nb_streams - 1]; - - output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams, - nb_output_streams + 1); - if (!(ost = av_mallocz(sizeof(*ost)))) - exit_program(1); - output_streams[nb_output_streams - 1] = ost; - - ost->file_index = nb_output_files; - ost->index = idx; - ost->st = st; - st->codec->codec_type = type; - choose_encoder(o, oc, ost); - if (ost->enc) { - ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st); - } - - avcodec_get_context_defaults3(st->codec, ost->enc); - st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy - - MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); - if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { - do { - buf = get_line(s); - if (!buf[0] || buf[0] == '#') { - av_free(buf); - continue; - } - if (!(arg = strchr(buf, '='))) { - av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); - exit_program(1); - } - *arg++ = 0; - av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE); - av_free(buf); - } while (!s->eof_reached); - avio_close(s); - } - if (ret) { - av_log(NULL, AV_LOG_FATAL, - "Preset %s specified for stream %d:%d, but could not be opened.\n", - preset, ost->file_index, ost->index); - exit_program(1); - } + InputFile *f = arg; + int ret = 0; - ost->max_frames = INT64_MAX; - MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); + while (!transcoding_finished && ret >= 0) { + AVPacket pkt; + ret = av_read_frame(f->ctx, &pkt); - MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); - while (bsf) { - if (next = strchr(bsf, ',')) - *next++ = 0; - if (!(bsfc = av_bitstream_filter_init(bsf))) { - av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); - exit_program(1); - } - if (bsfc_prev) - bsfc_prev->next = bsfc; - else - ost->bitstream_filters = bsfc; + if (ret == AVERROR(EAGAIN)) { + av_usleep(10000); + ret = 0; + continue; + } else if (ret < 0) + break; - bsfc_prev = bsfc; - bsf = next; - } + pthread_mutex_lock(&f->fifo_lock); + while (!av_fifo_space(f->fifo)) + pthread_cond_wait(&f->fifo_cond, &f->fifo_lock); - MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); - if (codec_tag) { - uint32_t tag = strtol(codec_tag, &next, 0); - if (*next) - tag = AV_RL32(codec_tag); - st->codec->codec_tag = tag; - } + av_dup_packet(&pkt); + av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL); - MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); - if (qscale >= 0 || same_quant) { - st->codec->flags |= CODEC_FLAG_QSCALE; - st->codec->global_quality = FF_QP2LAMBDA * qscale; + pthread_mutex_unlock(&f->fifo_lock); } - if (oc->oformat->flags & AVFMT_GLOBALHEADER) - st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER; - - av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags); - - ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE; - - return ost; + f->finished = 1; + return NULL; } -static void parse_matrix_coeffs(uint16_t *dest, const char *str) +static void free_input_threads(void) { int i; - const char *p = str; - for (i = 0;; i++) { - dest[i] = atoi(p); - if (i == 63) - break; - p = strchr(p, ','); - if (!p) { - av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); - exit_program(1); - } - p++; - } -} - -static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc) -{ - AVStream *st; - OutputStream *ost; - AVCodecContext *video_enc; - ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO); - st = ost->st; - video_enc = st->codec; - - if (!ost->stream_copy) { - const char *p = NULL; - char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL; - char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL; - char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL; - int i; + if (nb_input_files == 1) + return; - MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st); - if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate); - exit_program(1); - } + transcoding_finished = 1; - MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); - if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) { - av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); - exit_program(1); - } + for (i = 0; i < nb_input_files; i++) { + InputFile *f = input_files[i]; + AVPacket pkt; - MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st); - if (frame_aspect_ratio) - ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio); + if (!f->fifo || f->joined) + continue; - MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st); - if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) { - av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt); - exit_program(1); + pthread_mutex_lock(&f->fifo_lock); + while (av_fifo_size(f->fifo)) { + av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); + av_free_packet(&pkt); } - st->sample_aspect_ratio = video_enc->sample_aspect_ratio; + pthread_cond_signal(&f->fifo_cond); + pthread_mutex_unlock(&f->fifo_lock); - MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st); - if (intra_matrix) { - if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); - exit_program(1); - } - parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix); - } - MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st); - if (inter_matrix) { - if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n"); - exit_program(1); - } - parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix); - } + pthread_join(f->thread, NULL); + f->joined = 1; - MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st); - for (i = 0; p; i++) { - int start, end, q; - int e = sscanf(p, "%d,%d,%d", &start, &end, &q); - if (e != 3) { - av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n"); - exit_program(1); - } - video_enc->rc_override = - av_realloc(video_enc->rc_override, - sizeof(RcOverride) * (i + 1)); - video_enc->rc_override[i].start_frame = start; - video_enc->rc_override[i].end_frame = end; - if (q > 0) { - video_enc->rc_override[i].qscale = q; - video_enc->rc_override[i].quality_factor = 1.0; - } - else { - video_enc->rc_override[i].qscale = 0; - video_enc->rc_override[i].quality_factor = -q/100.0; - } - p = strchr(p, '/'); - if (p) p++; - } - video_enc->rc_override_count = i; - if (!video_enc->rc_initial_buffer_occupancy) - video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4; - video_enc->intra_dc_precision = intra_dc_precision - 8; - - /* two pass mode */ - if (do_pass) { - if (do_pass == 1) { - video_enc->flags |= CODEC_FLAG_PASS1; - } else { - video_enc->flags |= CODEC_FLAG_PASS2; - } + while (av_fifo_size(f->fifo)) { + av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); + av_free_packet(&pkt); } - - MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st); - if (forced_key_frames) - parse_forced_key_frames(forced_key_frames, ost, video_enc); - - MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st); - - ost->top_field_first = -1; - MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st); - - MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); - if (filters) - ost->avfilter = av_strdup(filters); - } else { - MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); + av_fifo_free(f->fifo); } - - return ost; } -static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc) +static int init_input_threads(void) { - AVStream *st; - OutputStream *ost; - AVCodecContext *audio_enc; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO); - st = ost->st; - - audio_enc = st->codec; - audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; + int i, ret; - if (!ost->stream_copy) { - char *sample_fmt = NULL, *filters = NULL;; + if (nb_input_files == 1) + return 0; - MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); + for (i = 0; i < nb_input_files; i++) { + InputFile *f = input_files[i]; - MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st); - if (sample_fmt && - (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) { - av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt); - exit_program(1); - } + if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket)))) + return AVERROR(ENOMEM); - MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); + pthread_mutex_init(&f->fifo_lock, NULL); + pthread_cond_init (&f->fifo_cond, NULL); - MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); - if (filters) - ost->avfilter = av_strdup(filters); + if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) + return AVERROR(ret); } - - return ost; + return 0; } -static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc) +static int get_input_packet_mt(InputFile *f, AVPacket *pkt) { - OutputStream *ost; + int ret = 0; - ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA); - if (!ost->stream_copy) { - av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); - exit_program(1); + pthread_mutex_lock(&f->fifo_lock); + + if (av_fifo_size(f->fifo)) { + av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL); + pthread_cond_signal(&f->fifo_cond); + } else { + if (f->finished) + ret = AVERROR_EOF; + else + ret = AVERROR(EAGAIN); } - return ost; -} + pthread_mutex_unlock(&f->fifo_lock); -static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc) -{ - OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT); - ost->stream_copy = 1; - return ost; + return ret; } +#endif -static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc) +static int get_input_packet(InputFile *f, AVPacket *pkt) { - AVStream *st; - OutputStream *ost; - AVCodecContext *subtitle_enc; - - ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE); - st = ost->st; - subtitle_enc = st->codec; - - subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; + if (f->rate_emu) { + int i; + for (i = 0; i < f->nb_streams; i++) { + InputStream *ist = input_streams[f->ist_index + i]; + int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE); + int64_t now = av_gettime() - ist->start; + if (pts > now) + return AVERROR(EAGAIN); + } + } - return ost; +#if HAVE_PTHREADS + if (nb_input_files > 1) + return get_input_packet_mt(f, pkt); +#endif + return av_read_frame(f->ctx, pkt); } -/* arg format is "output-stream-index:streamid-value". */ -static int opt_streamid(OptionsContext *o, const char *opt, const char *arg) +static int got_eagain(void) { - int idx; - char *p; - char idx_str[16]; - - av_strlcpy(idx_str, arg, sizeof(idx_str)); - p = strchr(idx_str, ':'); - if (!p) { - av_log(NULL, AV_LOG_FATAL, - "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", - arg, opt); - exit_program(1); - } - *p++ = '\0'; - idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX); - o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); - o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); + int i; + for (i = 0; i < nb_input_files; i++) + if (input_files[i]->eagain) + return 1; return 0; } -static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata) +static void reset_eagain(void) { - AVFormatContext *is = ifile->ctx; - AVFormatContext *os = ofile->ctx; int i; - - for (i = 0; i < is->nb_chapters; i++) { - AVChapter *in_ch = is->chapters[i], *out_ch; - int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset, - AV_TIME_BASE_Q, in_ch->time_base); - int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX : - av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base); - - - if (in_ch->end < ts_off) - continue; - if (rt != INT64_MAX && in_ch->start > rt + ts_off) - break; - - out_ch = av_mallocz(sizeof(AVChapter)); - if (!out_ch) - return AVERROR(ENOMEM); - - out_ch->id = in_ch->id; - out_ch->time_base = in_ch->time_base; - out_ch->start = FFMAX(0, in_ch->start - ts_off); - out_ch->end = FFMIN(rt, in_ch->end - ts_off); - - if (copy_metadata) - av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); - - os->nb_chapters++; - os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters); - if (!os->chapters) - return AVERROR(ENOMEM); - os->chapters[os->nb_chapters - 1] = out_ch; - } - return 0; + for (i = 0; i < nb_input_files; i++) + input_files[i]->eagain = 0; } -static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, - AVFormatContext *oc) +/* + * Read one packet from an input file and send it for + * - decoding -> lavfi (audio/video) + * - decoding -> encoding -> muxing (subtitles) + * - muxing (streamcopy) + * + * Return + * - 0 -- one packet was read and processed + * - AVERROR(EAGAIN) -- no packets were available for selected file, + * this function should be called again + * - AVERROR_EOF -- this function should not be called again + */ +static int process_input(void) { - OutputStream *ost; + InputFile *ifile; + AVFormatContext *is; + InputStream *ist; + AVPacket pkt; + int ret, i, j; - switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) { - case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; - case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; - default: - av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " - "currently.\n"); - exit_program(1); + /* select the stream that we must read now */ + ifile = select_input_file(); + /* if none, if is finished */ + if (!ifile) { + if (got_eagain()) { + reset_eagain(); + av_usleep(10000); + return AVERROR(EAGAIN); + } + av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n"); + return AVERROR_EOF; } - ost->source_index = -1; - ost->filter = ofilter; + is = ifile->ctx; + ret = get_input_packet(ifile, &pkt); - ofilter->ost = ost; - - if (ost->stream_copy) { - av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " - "which is fed from a complex filtergraph. Filtering and streamcopy " - "cannot be used together.\n", ost->file_index, ost->index); - exit_program(1); + if (ret == AVERROR(EAGAIN)) { + ifile->eagain = 1; + return ret; } + if (ret < 0) { + if (ret != AVERROR_EOF) { + print_error(is->filename, ret); + if (exit_on_error) + exit_program(1); + } + ifile->eof_reached = 1; - if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n"); - exit_program(1); - } - avfilter_inout_free(&ofilter->out_tmp); -} + for (i = 0; i < ifile->nb_streams; i++) { + ist = input_streams[ifile->ist_index + i]; + if (ist->decoding_needed) + output_packet(ist, NULL); -static void opt_output_file(void *optctx, const char *filename) -{ - OptionsContext *o = optctx; - AVFormatContext *oc; - int i, j, err; - AVOutputFormat *file_oformat; - OutputStream *ost; - InputStream *ist; + /* mark all outputs that don't go through lavfi as finished */ + for (j = 0; j < nb_output_streams; j++) { + OutputStream *ost = output_streams[j]; - if (configure_complex_filters() < 0) { - av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n"); - exit_program(1); + if (ost->source_index == ifile->ist_index + i && + (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) + ost->finished= 1; + } + } + + return AVERROR(EAGAIN); } - if (!strcmp(filename, "-")) - filename = "pipe:"; + reset_eagain(); - oc = avformat_alloc_context(); - if (!oc) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); + if (do_pkt_dump) { + av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, + is->streams[pkt.stream_index]); } + /* the following test is needed in case new streams appear + dynamically in stream : we ignore them */ + if (pkt.stream_index >= ifile->nb_streams) + goto discard_packet; - if (o->format) { - file_oformat = av_guess_format(o->format, NULL, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format); - exit_program(1); - } - } else { - file_oformat = av_guess_format(NULL, filename, NULL); - if (!file_oformat) { - av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n", - filename); - exit_program(1); - } - } + ist = input_streams[ifile->ist_index + pkt.stream_index]; + if (ist->discard) + goto discard_packet; - oc->oformat = file_oformat; - oc->interrupt_callback = int_cb; - av_strlcpy(oc->filename, filename, sizeof(oc->filename)); + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - /* create streams for all unlabeled output pads */ - for (i = 0; i < nb_filtergraphs; i++) { - FilterGraph *fg = filtergraphs[i]; - for (j = 0; j < fg->nb_outputs; j++) { - OutputFilter *ofilter = fg->outputs[j]; + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts *= ist->ts_scale; + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts *= ist->ts_scale; - if (!ofilter->out_tmp || ofilter->out_tmp->name) - continue; + if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && + (is->iformat->flags & AVFMT_TS_DISCONT)) { + int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); + int64_t delta = pkt_dts - ist->next_dts; - switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) { - case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; - case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; - case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; - } - init_output_filter(ofilter, o, oc); + if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) { + ifile->ts_offset -= delta; + av_log(NULL, AV_LOG_DEBUG, + "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", + delta, ifile->ts_offset); + pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); } } - if (!o->nb_stream_maps) { - /* pick the "best" stream of each type */ -#define NEW_STREAM(type, index)\ - if (index >= 0) {\ - ost = new_ ## type ## _stream(o, oc);\ - ost->source_index = index;\ - ost->sync_ist = input_streams[index];\ - input_streams[index]->discard = 0;\ - input_streams[index]->st->discard = AVDISCARD_NONE;\ - } + ret = output_packet(ist, &pkt); + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n", + ist->file_index, ist->st->index); + if (exit_on_error) + exit_program(1); + } - /* video: highest resolution */ - if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) { - int area = 0, idx = -1; - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && - ist->st->codec->width * ist->st->codec->height > area) { - area = ist->st->codec->width * ist->st->codec->height; - idx = i; - } - } - NEW_STREAM(video, idx); - } +discard_packet: + av_free_packet(&pkt); - /* audio: most channels */ - if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) { - int channels = 0, idx = -1; - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && - ist->st->codec->channels > channels) { - channels = ist->st->codec->channels; - idx = i; - } - } - NEW_STREAM(audio, idx); - } + return 0; +} - /* subtitles: pick first */ - if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) { - for (i = 0; i < nb_input_streams; i++) - if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { - NEW_STREAM(subtitle, i); - break; - } - } - /* do something with data? */ - } else { - for (i = 0; i < o->nb_stream_maps; i++) { - StreamMap *map = &o->stream_maps[i]; +/* + * The following code is the main loop of the file converter + */ +static int transcode(void) +{ + int ret, i, need_input = 1; + AVFormatContext *os; + OutputStream *ost; + InputStream *ist; + int64_t timer_start; - if (map->disabled) - continue; + ret = transcode_init(); + if (ret < 0) + goto fail; - if (map->linklabel) { - FilterGraph *fg; - OutputFilter *ofilter = NULL; - int j, k; - - for (j = 0; j < nb_filtergraphs; j++) { - fg = filtergraphs[j]; - for (k = 0; k < fg->nb_outputs; k++) { - AVFilterInOut *out = fg->outputs[k]->out_tmp; - if (out && !strcmp(out->name, map->linklabel)) { - ofilter = fg->outputs[k]; - goto loop_end; - } - } - } -loop_end: - if (!ofilter) { - av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " - "in any defined filter graph.\n", map->linklabel); - exit_program(1); - } - init_output_filter(ofilter, o, oc); - } else { - ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break; - case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break; - case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break; - case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break; - case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break; - default: - av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n", - map->file_index, map->stream_index); - exit_program(1); - } + av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n"); + term_init(); - ost->source_index = input_files[map->file_index]->ist_index + map->stream_index; - ost->sync_ist = input_streams[input_files[map->sync_file_index]->ist_index + - map->sync_stream_index]; - ist->discard = 0; - ist->st->discard = AVDISCARD_NONE; - } - } - } + timer_start = av_gettime(); - /* handle attached files */ - for (i = 0; i < o->nb_attachments; i++) { - AVIOContext *pb; - uint8_t *attachment; - const char *p; - int64_t len; +#if HAVE_PTHREADS + if ((ret = init_input_threads()) < 0) + goto fail; +#endif - if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", - o->attachments[i]); - exit_program(1); - } - if ((len = avio_size(pb)) <= 0) { - av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", - o->attachments[i]); - exit_program(1); + while (!received_sigterm) { + /* check if there's any stream where output is still needed */ + if (!need_output()) { + av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n"); + break; } - if (!(attachment = av_malloc(len))) { - av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", - o->attachments[i]); - exit_program(1); + + /* read and process one input packet if needed */ + if (need_input) { + ret = process_input(); + if (ret == AVERROR_EOF) + need_input = 0; } - avio_read(pb, attachment, len); - - ost = new_attachment_stream(o, oc); - ost->stream_copy = 0; - ost->source_index = -1; - ost->attachment_filename = o->attachments[i]; - ost->st->codec->extradata = attachment; - ost->st->codec->extradata_size = len; - - p = strrchr(o->attachments[i], '/'); - av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); - avio_close(pb); - } - output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1); - if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0])))) - exit_program(1); + ret = poll_filters(); + if (ret < 0) { + if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) + continue; - output_files[nb_output_files - 1]->ctx = oc; - output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams; - output_files[nb_output_files - 1]->recording_time = o->recording_time; - if (o->recording_time != INT64_MAX) - oc->duration = o->recording_time; - output_files[nb_output_files - 1]->start_time = o->start_time; - output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize; - av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0); - - /* check filename in case of an image number is expected */ - if (oc->oformat->flags & AVFMT_NEEDNUMBER) { - if (!av_filename_number_test(oc->filename)) { - print_error(oc->filename, AVERROR(EINVAL)); - exit_program(1); + av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); + break; } - } - if (!(oc->oformat->flags & AVFMT_NOFILE)) { - /* test if it already exists to avoid losing precious files */ - assert_file_overwrite(filename); + /* dump report by using the output first video and audio streams */ + print_report(0, timer_start); + } +#if HAVE_PTHREADS + free_input_threads(); +#endif - /* open the file */ - if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE, - &oc->interrupt_callback, - &output_files[nb_output_files - 1]->opts)) < 0) { - print_error(filename, err); - exit_program(1); + /* at the end of stream, we must flush the decoder buffers */ + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; + if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { + output_packet(ist, NULL); } } + poll_filters(); + flush_encoders(); + + term_exit(); - if (o->mux_preload) { - uint8_t buf[64]; - snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE)); - av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0); + /* write the trailer if needed and close file */ + for (i = 0; i < nb_output_files; i++) { + os = output_files[i]->ctx; + av_write_trailer(os); } - oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); - oc->flags |= AVFMT_FLAG_NONBLOCK; - /* copy metadata */ - for (i = 0; i < o->nb_metadata_map; i++) { - char *p; - int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); + /* dump report by using the first video and audio streams */ + print_report(1, timer_start); - if (in_file_index < 0) - continue; - if (in_file_index >= nb_input_files) { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); - exit_program(1); + /* close each encoder */ + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + if (ost->encoding_needed) { + av_freep(&ost->st->codec->stats_in); + avcodec_close(ost->st->codec); } - copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index]->ctx, o); } - /* copy chapters */ - if (o->chapters_input_file >= nb_input_files) { - if (o->chapters_input_file == INT_MAX) { - /* copy chapters from the first input file that has them*/ - o->chapters_input_file = -1; - for (i = 0; i < nb_input_files; i++) - if (input_files[i]->ctx->nb_chapters) { - o->chapters_input_file = i; - break; - } - } else { - av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", - o->chapters_input_file); - exit_program(1); + /* close each decoder */ + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; + if (ist->decoding_needed) { + avcodec_close(ist->st->codec); } } - if (o->chapters_input_file >= 0) - copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1], - !o->metadata_chapters_manual); - - /* copy global metadata by default */ - if (!o->metadata_global_manual && nb_input_files) - av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata, - AV_DICT_DONT_OVERWRITE); - if (!o->metadata_streams_manual) - for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) { - InputStream *ist; - if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */ - continue; - ist = input_streams[output_streams[i]->source_index]; - av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); - } - /* process manually set metadata */ - for (i = 0; i < o->nb_metadata; i++) { - AVDictionary **m; - char type, *val; - const char *stream_spec; - int index = 0, j, ret; - - val = strchr(o->metadata[i].u.str, '='); - if (!val) { - av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", - o->metadata[i].u.str); - exit_program(1); - } - *val++ = 0; - - parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec); - if (type == 's') { - for (j = 0; j < oc->nb_streams; j++) { - if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { - av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); - } else if (ret < 0) - exit_program(1); - } - printf("ret %d, stream_spec %s\n", ret, stream_spec); - } - else { - switch (type) { - case 'g': - m = &oc->metadata; - break; - case 'c': - if (index < 0 || index >= oc->nb_chapters) { - av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); - exit_program(1); + /* finished ! */ + ret = 0; + + fail: +#if HAVE_PTHREADS + free_input_threads(); +#endif + + if (output_streams) { + for (i = 0; i < nb_output_streams; i++) { + ost = output_streams[i]; + if (ost) { + if (ost->stream_copy) + av_freep(&ost->st->codec->extradata); + if (ost->logfile) { + fclose(ost->logfile); + ost->logfile = NULL; } - m = &oc->chapters[index]->metadata; - break; - default: - av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); - exit_program(1); + av_freep(&ost->st->codec->subtitle_header); + av_free(ost->forced_kf_pts); + av_dict_free(&ost->opts); + av_dict_free(&ost->resample_opts); } - av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); } } - - reset_options(o); -} - -/* same option as mencoder */ -static int opt_pass(const char *opt, const char *arg) -{ - do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2); - return 0; + return ret; } static int64_t getutime(void) @@ -4572,447 +2339,12 @@ static int64_t getmaxrss(void) #endif } -static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "q:a", arg, options); -} - -static void show_usage(void) -{ - printf("Hyper fast Audio and Video encoder\n"); - printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); - printf("\n"); -} - -static void show_help(void) -{ - int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM; - av_log_set_callback(log_callback_help); - show_usage(); - show_help_options(options, "Main options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0); - show_help_options(options, "\nAdvanced options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, - OPT_EXPERT); - show_help_options(options, "\nVideo options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, - OPT_VIDEO); - show_help_options(options, "\nAdvanced Video options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, - OPT_VIDEO | OPT_EXPERT); - show_help_options(options, "\nAudio options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, - OPT_AUDIO); - show_help_options(options, "\nAdvanced Audio options:\n", - OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB, - OPT_AUDIO | OPT_EXPERT); - show_help_options(options, "\nSubtitle options:\n", - OPT_SUBTITLE | OPT_GRAB, - OPT_SUBTITLE); - show_help_options(options, "\nAudio/Video grab options:\n", - OPT_GRAB, - OPT_GRAB); - printf("\n"); - show_help_children(avcodec_get_class(), flags); - show_help_children(avformat_get_class(), flags); - show_help_children(sws_get_class(), flags); -} - -static int opt_target(OptionsContext *o, const char *opt, const char *arg) -{ - enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; - static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" }; - - if (!strncmp(arg, "pal-", 4)) { - norm = PAL; - arg += 4; - } else if (!strncmp(arg, "ntsc-", 5)) { - norm = NTSC; - arg += 5; - } else if (!strncmp(arg, "film-", 5)) { - norm = FILM; - arg += 5; - } else { - /* Try to determine PAL/NTSC by peeking in the input files */ - if (nb_input_files) { - int i, j, fr; - for (j = 0; j < nb_input_files; j++) { - for (i = 0; i < input_files[j]->nb_streams; i++) { - AVCodecContext *c = input_files[j]->ctx->streams[i]->codec; - if (c->codec_type != AVMEDIA_TYPE_VIDEO) - continue; - fr = c->time_base.den * 1000 / c->time_base.num; - if (fr == 25000) { - norm = PAL; - break; - } else if ((fr == 29970) || (fr == 23976)) { - norm = NTSC; - break; - } - } - if (norm != UNKNOWN) - break; - } - } - if (norm != UNKNOWN) - av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); - } - - if (norm == UNKNOWN) { - av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); - av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); - av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n"); - exit_program(1); - } - - if (!strcmp(arg, "vcd")) { - opt_video_codec(o, "c:v", "mpeg1video"); - opt_audio_codec(o, "c:a", "mp2"); - parse_option(o, "f", "vcd", options); - - parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default("g", norm == PAL ? "15" : "18"); - - opt_default("b", "1150000"); - opt_default("maxrate", "1150000"); - opt_default("minrate", "1150000"); - opt_default("bufsize", "327680"); // 40*1024*8; - - opt_default("b:a", "224000"); - parse_option(o, "ar", "44100", options); - parse_option(o, "ac", "2", options); - - opt_default("packetsize", "2324"); - opt_default("muxrate", "1411200"); // 2352 * 75 * 8; - - /* We have to offset the PTS, so that it is consistent with the SCR. - SCR starts at 36000, but the first two packs contain only padding - and the first pack from the other stream, respectively, may also have - been written before. - So the real data starts at SCR 36000+3*1200. */ - o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44 - } else if (!strcmp(arg, "svcd")) { - - opt_video_codec(o, "c:v", "mpeg2video"); - opt_audio_codec(o, "c:a", "mp2"); - parse_option(o, "f", "svcd", options); - - parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default("g", norm == PAL ? "15" : "18"); - - opt_default("b", "2040000"); - opt_default("maxrate", "2516000"); - opt_default("minrate", "0"); // 1145000; - opt_default("bufsize", "1835008"); // 224*1024*8; - opt_default("flags", "+scan_offset"); - - - opt_default("b:a", "224000"); - parse_option(o, "ar", "44100", options); - - opt_default("packetsize", "2324"); - - } else if (!strcmp(arg, "dvd")) { - - opt_video_codec(o, "c:v", "mpeg2video"); - opt_audio_codec(o, "c:a", "ac3"); - parse_option(o, "f", "dvd", options); - - parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); - parse_option(o, "r", frame_rates[norm], options); - opt_default("g", norm == PAL ? "15" : "18"); - - opt_default("b", "6000000"); - opt_default("maxrate", "9000000"); - opt_default("minrate", "0"); // 1500000; - opt_default("bufsize", "1835008"); // 224*1024*8; - - opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. - opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 - - opt_default("b:a", "448000"); - parse_option(o, "ar", "48000", options); - - } else if (!strncmp(arg, "dv", 2)) { - - parse_option(o, "f", "dv", options); - - parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); - parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : - norm == PAL ? "yuv420p" : "yuv411p", options); - parse_option(o, "r", frame_rates[norm], options); - - parse_option(o, "ar", "48000", options); - parse_option(o, "ac", "2", options); - - } else { - av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg); - return AVERROR(EINVAL); - } - return 0; -} - -static int opt_vstats_file(const char *opt, const char *arg) -{ - av_free (vstats_filename); - vstats_filename = av_strdup (arg); - return 0; -} - -static int opt_vstats(const char *opt, const char *arg) -{ - char filename[40]; - time_t today2 = time(NULL); - struct tm *today = localtime(&today2); - - snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, - today->tm_sec); - return opt_vstats_file(opt, filename); -} - -static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "frames:v", arg, options); -} - -static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "frames:a", arg, options); -} - -static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "frames:d", arg, options); -} - -static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:v", arg, options); -} - -static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:a", arg, options); -} - -static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "tag:s", arg, options); -} - -static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "filter:v", arg, options); -} - -static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "filter:a", arg, options); -} - -static int opt_vsync(const char *opt, const char *arg) -{ - if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; - else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; - else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; - - if (video_sync_method == VSYNC_AUTO) - video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); - return 0; -} - -static int opt_deinterlace(const char *opt, const char *arg) -{ - av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt); - do_deinterlace = 1; - return 0; -} - -static int opt_cpuflags(const char *opt, const char *arg) -{ - int flags = av_parse_cpu_flags(arg); - - if (flags < 0) - return flags; - - av_set_cpu_flags_mask(flags); - return 0; -} - -static void parse_cpuflags(int argc, char **argv, const OptionDef *options) -{ - int idx = locate_option(argc, argv, options, "cpuflags"); - if (idx && argv[idx + 1]) - opt_cpuflags("cpuflags", argv[idx + 1]); -} - -static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg) -{ - char layout_str[32]; - char *stream_str; - char *ac_str; - int ret, channels, ac_str_size; - uint64_t layout; - - layout = av_get_channel_layout(arg); - if (!layout) { - av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); - return AVERROR(EINVAL); - } - snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); - ret = opt_default(opt, layout_str); - if (ret < 0) - return ret; - - /* set 'ac' option based on channel layout */ - channels = av_get_channel_layout_nb_channels(layout); - snprintf(layout_str, sizeof(layout_str), "%d", channels); - stream_str = strchr(opt, ':'); - ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); - ac_str = av_mallocz(ac_str_size); - if (!ac_str) - return AVERROR(ENOMEM); - av_strlcpy(ac_str, "ac", 3); - if (stream_str) - av_strlcat(ac_str, stream_str, ac_str_size); - ret = parse_option(o, ac_str, layout_str, options); - av_free(ac_str); - - return ret; -} - -static int opt_filter_complex(const char *opt, const char *arg) -{ - filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs), - &nb_filtergraphs, nb_filtergraphs + 1); - if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) - return AVERROR(ENOMEM); - filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; - filtergraphs[nb_filtergraphs - 1]->graph_desc = arg; - return 0; -} - -#define OFFSET(x) offsetof(OptionsContext, x) -static const OptionDef options[] = { - /* main options */ -#include "cmdutils_common_opts.h" - { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" }, - { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" }, - { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" }, - { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" }, - { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" }, - { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" }, - { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" }, - { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile", - "outfile[,metadata]:infile[,metadata]" }, - { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" }, - { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" }, - { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, // - { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" }, - { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" }, - { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" }, - { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" }, - { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" }, - { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark}, - "add timings for benchmarking" }, - { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" }, - { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump}, - "dump each input packet" }, - { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump}, - "when dumping packets, also dump the payload" }, - { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" }, - { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, - { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" }, - { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" }, - { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" }, - { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" }, - { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" }, - { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, // - { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" }, - { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" }, - { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" }, - { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" }, - { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" }, - { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" }, - { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" }, - { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" }, - { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" }, - { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", }, - { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" }, - { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" }, - { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" }, - - /* video options */ - { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" }, - { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" }, - { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" }, - { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, - { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" }, - { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" }, - { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" }, - { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" }, - { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" }, - { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, - "use same quantizer as source (implies VBR)" }, - { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" }, - { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" }, - { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace}, - "this option is deprecated, use the yadif filter instead" }, - { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" }, - { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" }, - { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" }, - { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" }, - { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" }, - { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" }, - { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" }, - { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" }, - { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" }, - { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" }, - { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" }, - { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" }, - - /* audio options */ - { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" }, - { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", }, - { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" }, - { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" }, - { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" }, - { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" }, - { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" }, - { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, // - { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" }, - { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" }, - { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" }, - - /* subtitle options */ - { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" }, - { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" }, - { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" }, - - /* grab options */ - { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" }, - - /* muxer options */ - { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" }, - { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" }, - - { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" }, - - /* data codec support */ - { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" }, - - { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" }, - { NULL, }, -}; - int main(int argc, char **argv) { - OptionsContext o = { 0 }; + int ret; int64_t ti; - reset_options(&o); + register_exit(avconv_cleanup); av_log_set_flags(AV_LOG_SKIP_REPEATED); parse_loglevel(argc, argv, options); @@ -5027,10 +2359,10 @@ int main(int argc, char **argv) show_banner(); - parse_cpuflags(argc, argv, options); - - /* parse options */ - parse_options(&o, argc, argv, options, opt_output_file); + /* parse options and open all input/output files */ + ret = avconv_parse_options(argc, argv); + if (ret < 0) + exit_program(1); if (nb_output_files <= 0 && nb_input_files == 0) { show_usage(); @@ -5044,11 +2376,6 @@ int main(int argc, char **argv) exit_program(1); } - if (nb_input_files == 0) { - av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n"); - exit_program(1); - } - ti = getutime(); if (transcode() < 0) exit_program(1);