X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=avconv.c;h=f086cbb5e2663694c162fe8f4676eeba2a637f21;hb=1f8f43a5b5e9b966d364d1d2d6ed741f07dcceaa;hp=409f2bad3d2468a4de3db073d3b125c23b56b2eb;hpb=45d4b66f6fa7115124ae0051dc24cda1017f95a0;p=ffmpeg diff --git a/avconv.c b/avconv.c index 409f2bad3d2..f086cbb5e26 100644 --- a/avconv.c +++ b/avconv.c @@ -27,13 +27,12 @@ #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 "libavcodec/audioconvert.h" -#include "libavutil/audioconvert.h" +#include "libavutil/channel_layout.h" #include "libavutil/parseutils.h" #include "libavutil/samplefmt.h" #include "libavutil/colorspace.h" @@ -44,17 +43,18 @@ #include "libavutil/pixdesc.h" #include "libavutil/avstring.h" #include "libavutil/libm.h" +#include "libavutil/imgutils.h" +#include "libavutil/time.h" #include "libavformat/os_support.h" -#if CONFIG_AVFILTER # include "libavfilter/avfilter.h" # include "libavfilter/avfiltergraph.h" -# include "libavfilter/vsrc_buffer.h" -#endif +# include "libavfilter/buffersrc.h" +# include "libavfilter/buffersink.h" #if HAVE_SYS_RESOURCE_H -#include #include +#include #include #elif HAVE_GETPROCESSTIMES #include @@ -68,8 +68,13 @@ #include #endif +#if HAVE_PTHREADS +#include +#endif + #include +#include "avconv.h" #include "cmdutils.h" #include "libavutil/avassert.h" @@ -77,406 +82,35 @@ 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; -} 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= -1; -static int audio_sync_method= 0; -static float audio_drift_threshold= 0.1; -static int copy_ts= 0; -static int copy_tb; -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; -static uint8_t *audio_buf; -static uint8_t *audio_out; -static unsigned int allocated_audio_out_size, allocated_audio_buf_size; -static void *samples; - -#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass" - -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; - - int64_t start; /* time when read started */ - int64_t next_pts; /* synthetic pts for cases where pkt.pts - is not defined */ - int64_t pts; /* current pts */ - 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; -} 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 - AVBitStreamFilterContext *bitstream_filters; - AVCodec *enc; - int64_t max_frames; - - /* video only */ - int video_resample; - AVFrame pict_tmp; /* temporary image for resampling */ - struct SwsContext *img_resample_ctx; /* for image resampling */ - int resample_height; - int resample_width; - int resample_pix_fmt; - AVRational frame_rate; - int force_fps; - int top_field_first; - - float frame_aspect_ratio; - - /* forced key frames */ - int64_t *forced_kf_pts; - int forced_kf_count; - int forced_kf_index; - - /* audio only */ - int audio_resample; - ReSampleContext *resample; /* for audio resampling */ - int resample_sample_fmt; - int resample_channels; - int resample_sample_rate; - int reformat_pair; - AVAudioConvert *reformat_ctx; - AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */ - FILE *logfile; - -#if CONFIG_AVFILTER - AVFilterContext *output_video_filter; - AVFilterContext *input_video_filter; - AVFilterBufferRef *picref; - char *avfilter; - AVFilterGraph *graph; -#endif - - int64_t sws_flags; - AVDictionary *opts; - int is_past_recording_time; - int stream_copy; - const char *attachment_filename; - int copy_initial_nonkeyframes; -} 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; - -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 *presets; - int nb_presets; - SpecifierOpt *copy_initial_nonkeyframes; - int nb_copy_initial_nonkeyframes; -#if CONFIG_AVFILTER - SpecifierOpt *filters; - int nb_filters; +#if HAVE_PTHREADS +/* signal to input threads that they should exit; set by the main thread */ +static int transcoding_finished; #endif -} 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);\ - }\ -} - -static void reset_options(OptionsContext *o) -{ - const OptionDef *po = options; - - /* 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++; - } - - av_freep(&o->stream_maps); - av_freep(&o->meta_data_maps); - av_freep(&o->streamid_map); - - memset(o, 0, sizeof(*o)); - - o->mux_max_delay = 0.7; - o->recording_time = INT64_MAX; - o->limit_filesize = UINT64_MAX; - o->chapters_input_file = INT_MAX; - - uninit_opts(); - init_opts(); -} - -#if CONFIG_AVFILTER - -static int configure_video_filters(InputStream *ist, OutputStream *ost) -{ - AVFilterContext *last_filter, *filter; - /** filter graph containing all filters including input & output */ - AVCodecContext *codec = ost->st->codec; - AVCodecContext *icodec = ist->st->codec; - FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt }; - AVRational sample_aspect_ratio; - char args[255]; - int ret; - - ost->graph = avfilter_graph_alloc(); - - 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, 1, AV_TIME_BASE, - sample_aspect_ratio.num, sample_aspect_ratio.den); - - ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"), - "src", args, NULL, ost->graph); - if (ret < 0) - return ret; - ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink, - "out", NULL, &ffsink_ctx, ost->graph); - if (ret < 0) - return ret; - last_filter = ost->input_video_filter; - - if (codec->width != icodec->width || codec->height != icodec->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, ost->graph)) < 0) - return ret; - if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0) - return ret; - last_filter = filter; - } - - snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags); - ost->graph->scale_sws_opts = av_strdup(args); - - if (ost->avfilter) { - AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut)); - AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut)); - - outputs->name = av_strdup("in"); - outputs->filter_ctx = last_filter; - outputs->pad_idx = 0; - outputs->next = NULL; - - inputs->name = av_strdup("out"); - inputs->filter_ctx = ost->output_video_filter; - inputs->pad_idx = 0; - inputs->next = NULL; - - if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0) - return ret; - av_freep(&ost->avfilter); - } else { - if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0) - return ret; - } +#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass" - if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0) - return ret; +InputStream **input_streams = NULL; +int nb_input_streams = 0; +InputFile **input_files = NULL; +int nb_input_files = 0; - codec->width = ost->output_video_filter->inputs[0]->w; - codec->height = ost->output_video_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->output_video_filter->inputs[0]->sample_aspect_ratio; +OutputStream **output_streams = NULL; +int nb_output_streams = 0; +OutputFile **output_files = NULL; +int nb_output_files = 0; - return 0; -} -#endif /* CONFIG_AVFILTER */ +FilterGraph **filtergraphs; +int nb_filtergraphs; static void term_exit(void) { @@ -496,7 +130,7 @@ sigterm_handler(int sig) static void term_init(void) { - signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ + signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ #ifdef SIGXCPU signal(SIGXCPU, sigterm_handler); @@ -508,25 +142,63 @@ static int decode_interrupt_cb(void *ctx) return received_nb_signals > 1; } -static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; +const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; -void exit_program(int ret) +static void exit_program(void) { - int i; + 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]); + } + av_freep(&filtergraphs); /* close files */ - for(i=0;ictx; if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb) avio_close(s->pb); avformat_free_context(s); - av_dict_free(&output_files[i].opts); + av_dict_free(&output_files[i]->opts); + av_freep(&output_files[i]); } - for(i=0;ibitstream_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); + + 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]); + } + for (i = 0; i < nb_input_streams; i++) { + avcodec_free_frame(&input_streams[i]->decoded_frame); + av_dict_free(&input_streams[i]->opts); + free_buffer_pool(&input_streams[i]->buffer_pool); + av_freep(&input_streams[i]->filters); + av_freep(&input_streams[i]); } - for (i = 0; i < nb_input_streams; i++) - av_dict_free(&input_streams[i].opts); if (vstats_file) fclose(vstats_file); @@ -538,14 +210,8 @@ void exit_program(int ret) av_freep(&output_files); uninit_opts(); - av_free(audio_buf); - av_free(audio_out); - allocated_audio_buf_size= allocated_audio_out_size= 0; - av_free(samples); -#if CONFIG_AVFILTER avfilter_uninit(); -#endif avformat_network_deinit(); if (received_sigterm) { @@ -553,56 +219,32 @@ void exit_program(int ret) (int) received_sigterm); exit (255); } - - exit(ret); /* not all OS-es handle main() return value */ } -static void assert_avoptions(AVDictionary *m) +void assert_avoptions(AVDictionary *m) { 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); + exit(1); } } -static void assert_codec_experimental(AVCodecContext *c, int encoder) +static void abort_codec_experimental(AVCodec *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); - } -} - -static void choose_sample_fmt(AVStream *st, AVCodec *codec) -{ - if(codec && codec->sample_fmts){ - const enum AVSampleFormat *p= codec->sample_fmts; - for(; *p!=-1; p++){ - if(*p == st->codec->sample_fmt) - break; - } - if (*p == -1) { - av_log(NULL, AV_LOG_WARNING, - "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n", - av_get_sample_fmt_name(st->codec->sample_fmt), - codec->name, - av_get_sample_fmt_name(codec->sample_fmts[0])); - st->codec->sample_fmt = codec->sample_fmts[0]; - } - } + 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(1); } -/** +/* * 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. @@ -623,351 +265,142 @@ static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec, 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; + 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; /* 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); + } 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; + } + } + } } /* 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; + dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt; } } -static void choose_sample_rate(AVStream *st, AVCodec *codec) +static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) { - if(codec && codec->supported_samplerates){ - const int *p= codec->supported_samplerates; - int best=0; - int best_dist=INT_MAX; - for(; *p; p++){ - int dist= abs(st->codec->sample_rate - *p); - if(dist < best_dist){ - best_dist= dist; - best= *p; - } - } - if(best_dist){ - av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best); - } - st->codec->sample_rate= best; - } -} + AVBitStreamFilterContext *bsfc = ost->bitstream_filters; + AVCodecContext *avctx = ost->st->codec; + int ret; -static void choose_pixel_fmt(AVStream *st, AVCodec *codec) -{ - if(codec && codec->pix_fmts){ - const enum PixelFormat *p= codec->pix_fmts; - if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){ - if(st->codec->codec_id==CODEC_ID_MJPEG){ - p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE}; - }else if(st->codec->codec_id==CODEC_ID_LJPEG){ - p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE}; - } - } - for(; *p!=-1; p++){ - if(*p == st->codec->pix_fmt) - break; - } - if (*p == -1) { - if(st->codec->pix_fmt != PIX_FMT_NONE) - av_log(NULL, AV_LOG_WARNING, - "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n", - av_pix_fmt_descriptors[st->codec->pix_fmt].name, - codec->name, - av_pix_fmt_descriptors[codec->pix_fmts[0]].name); - st->codec->pix_fmt = codec->pix_fmts[0]; + /* + * 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++; } -} - -static double -get_sync_ipts(const OutputStream *ost) -{ - const InputStream *ist = ost->sync_ist; - OutputFile *of = &output_files[ost->file_index]; - return (double)(ist->pts - of->start_time)/AV_TIME_BASE; -} - -static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){ - int 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){ + 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){ + 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); + exit(1); } - *pkt= new_pkt; + *pkt = new_pkt; - bsfc= bsfc->next; + bsfc = bsfc->next; } - ret= av_interleaved_write_frame(s, pkt); - if(ret < 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); + exit(1); } } -static void do_audio_out(AVFormatContext *s, - OutputStream *ost, - InputStream *ist, - unsigned char *buf, int size) +static int check_recording_time(OutputStream *ost) { - uint8_t *buftmp; - int64_t audio_out_size, audio_buf_size; - int64_t allocated_for_size= size; - - int size_out, frame_bytes, ret, resample_changed; - AVCodecContext *enc= ost->st->codec; - AVCodecContext *dec= ist->st->codec; - int osize = av_get_bytes_per_sample(enc->sample_fmt); - int isize = av_get_bytes_per_sample(dec->sample_fmt); - const int coded_bps = av_get_bits_per_sample(enc->codec->id); - -need_realloc: - audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels); - audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate; - audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API - audio_buf_size= FFMAX(audio_buf_size, enc->frame_size); - audio_buf_size*= osize*enc->channels; - - audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels); - if(coded_bps > 8*osize) - audio_out_size= audio_out_size * coded_bps / (8*osize); - audio_out_size += FF_MIN_BUFFER_SIZE; - - if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){ - av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n"); - exit_program(1); - } + OutputFile *of = output_files[ost->file_index]; - av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size); - av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size); - if (!audio_buf || !audio_out){ - av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n"); - exit_program(1); + 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; } + return 1; +} - if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate) - ost->audio_resample = 1; - - resample_changed = ost->resample_sample_fmt != dec->sample_fmt || - ost->resample_channels != dec->channels || - ost->resample_sample_rate != dec->sample_rate; - - if ((ost->audio_resample && !ost->resample) || resample_changed) { - if (resample_changed) { - av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n", - ist->file_index, ist->st->index, - ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels, - dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels); - ost->resample_sample_fmt = dec->sample_fmt; - ost->resample_channels = dec->channels; - ost->resample_sample_rate = dec->sample_rate; - if (ost->resample) - audio_resample_close(ost->resample); - } - /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */ - if (audio_sync_method <= 1 && - ost->resample_sample_fmt == enc->sample_fmt && - ost->resample_channels == enc->channels && - ost->resample_sample_rate == enc->sample_rate) { - ost->resample = NULL; - ost->audio_resample = 0; - } else if (ost->audio_resample) { - if (dec->sample_fmt != AV_SAMPLE_FMT_S16) - av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n"); - ost->resample = av_audio_resample_init(enc->channels, dec->channels, - enc->sample_rate, dec->sample_rate, - enc->sample_fmt, dec->sample_fmt, - 16, 10, 0, 0.8); - if (!ost->resample) { - av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n", - dec->channels, dec->sample_rate, - enc->channels, enc->sample_rate); - exit_program(1); - } - } - } +static void do_audio_out(AVFormatContext *s, OutputStream *ost, + AVFrame *frame) +{ + AVCodecContext *enc = ost->st->codec; + AVPacket pkt; + int got_packet = 0; -#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b)) - if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt && - MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) { - if (ost->reformat_ctx) - av_audio_convert_free(ost->reformat_ctx); - ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1, - dec->sample_fmt, 1, NULL, 0); - if (!ost->reformat_ctx) { - av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n", - av_get_sample_fmt_name(dec->sample_fmt), - av_get_sample_fmt_name(enc->sample_fmt)); - exit_program(1); - } - ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt); - } + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; - if(audio_sync_method){ - double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts - - av_fifo_size(ost->fifo)/(enc->channels * 2); - double idelta= delta*dec->sample_rate / enc->sample_rate; - int byte_delta= ((int)idelta)*2*dec->channels; - - //FIXME resample delay - if(fabs(delta) > 50){ - if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){ - if(byte_delta < 0){ - byte_delta= FFMAX(byte_delta, -size); - size += byte_delta; - buf -= byte_delta; - av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta); - if(!size) - return; - ist->is_start=0; - }else{ - static uint8_t *input_tmp= NULL; - input_tmp= av_realloc(input_tmp, byte_delta + size); - - if(byte_delta > allocated_for_size - size){ - allocated_for_size= byte_delta + (int64_t)size; - goto need_realloc; - } - ist->is_start=0; + if (!check_recording_time(ost)) + return; - memset(input_tmp, 0, byte_delta); - memcpy(input_tmp + byte_delta, buf, size); - buf= input_tmp; - size += byte_delta; - av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta); - } - }else if(audio_sync_method>1){ - int comp= av_clip(delta, -audio_sync_method, audio_sync_method); - av_assert0(ost->audio_resample); - av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n", - delta, comp, enc->sample_rate); -// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2)); - av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate); - } - } - }else - ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate) - - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong - - if (ost->audio_resample) { - buftmp = audio_buf; - size_out = audio_resample(ost->resample, - (short *)buftmp, (short *)buf, - size / (dec->channels * isize)); - size_out = size_out * enc->channels * osize; - } else { - buftmp = buf; - size_out = size; - } + if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) + frame->pts = ost->sync_opts; + ost->sync_opts = frame->pts + frame->nb_samples; - if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) { - const void *ibuf[6]= {buftmp}; - void *obuf[6]= {audio_buf}; - int istride[6]= {isize}; - int ostride[6]= {osize}; - int len= size_out/istride[0]; - if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) { - printf("av_audio_convert() failed\n"); - if (exit_on_error) - exit_program(1); - return; - } - buftmp = audio_buf; - size_out = len*osize; + if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { + av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); + exit(1); } - /* now encode as many frames as possible */ - if (enc->frame_size > 1) { - /* output resampled raw samples */ - if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) { - av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n"); - exit_program(1); - } - av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL); - - frame_bytes = enc->frame_size * osize * enc->channels; - - while (av_fifo_size(ost->fifo) >= frame_bytes) { - AVPacket pkt; - av_init_packet(&pkt); - - av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL); - - //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio() - - ret = avcodec_encode_audio(enc, audio_out, audio_out_size, - (short *)audio_buf); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); - exit_program(1); - } - audio_size += ret; - pkt.stream_index= ost->index; - pkt.data= audio_out; - pkt.size= ret; - if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) - pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - write_frame(s, &pkt, enc, ost->bitstream_filters); - - ost->sync_opts += enc->frame_size; - } - } else { - AVPacket pkt; - av_init_packet(&pkt); - - ost->sync_opts += size_out / (osize * enc->channels); - - /* output a pcm frame */ - /* determine the size of the coded buffer */ - size_out /= osize; - if (coded_bps) - size_out = size_out*coded_bps/8; + 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); - if(size_out > audio_out_size){ - av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n"); - exit_program(1); - } + write_frame(s, &pkt, ost); - //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio() - ret = avcodec_encode_audio(enc, audio_out, size_out, - (short *)buftmp); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); - exit_program(1); - } - audio_size += ret; - pkt.stream_index= ost->index; - pkt.data= audio_out; - pkt.size= ret; - if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) - pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - write_frame(s, &pkt, enc, ost->bitstream_filters); + audio_size += pkt.size; } } @@ -986,14 +419,14 @@ static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void * /* create temporary picture */ size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); - buf = av_malloc(size); + buf = av_malloc(size); if (!buf) return; picture2 = &picture_tmp; avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); - if(avpicture_deinterlace(picture2, picture, + 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"); @@ -1025,7 +458,7 @@ static void do_subtitle_out(AVFormatContext *s, 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); + exit(1); return; } @@ -1038,30 +471,33 @@ static void do_subtitle_out(AVFormatContext *s, /* 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) + if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) nb = 2; else nb = 1; - for(i = 0; i < nb; i++) { + 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; + 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->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); + exit(1); } av_init_packet(&pkt); - pkt.stream_index = ost->index; 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) { + 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) @@ -1069,215 +505,123 @@ static void do_subtitle_out(AVFormatContext *s, else pkt.pts += 90 * sub->end_display_time; } - write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); + write_frame(s, &pkt, ost); } } -static int bit_buffer_size= 1024*256; -static uint8_t *bit_buffer= NULL; - -static void do_video_resample(OutputStream *ost, - InputStream *ist, - AVFrame *in_picture, - AVFrame **out_picture) +static void do_video_out(AVFormatContext *s, + OutputStream *ost, + AVFrame *in_picture, + int *frame_size) { - int resample_changed = 0; - AVCodecContext *dec = ist->st->codec; - *out_picture = in_picture; - - resample_changed = ost->resample_width != dec->width || - ost->resample_height != dec->height || - ost->resample_pix_fmt != dec->pix_fmt; + int ret, format_video_sync; + AVPacket pkt; + AVCodecContext *enc = ost->st->codec; - 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, - ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt), - dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt)); - if(!ost->video_resample) - ost->video_resample = 1; - } + *frame_size = 0; -#if !CONFIG_AVFILTER - if (ost->video_resample) { - *out_picture = &ost->pict_tmp; - if (resample_changed) { - /* initialize a new scaler context */ - sws_freeContext(ost->img_resample_ctx); - ost->img_resample_ctx = sws_getContext( - ist->st->codec->width, - ist->st->codec->height, - ist->st->codec->pix_fmt, - ost->st->codec->width, - ost->st->codec->height, - ost->st->codec->pix_fmt, - ost->sws_flags, NULL, NULL, NULL); - if (ost->img_resample_ctx == NULL) { - av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n"); - exit_program(1); - } - } - sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize, - 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize); - } -#else - if (resample_changed) { - avfilter_graph_free(&ost->graph); - if (configure_video_filters(ist, ost)) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit_program(1); - } - } -#endif - if (resample_changed) { - ost->resample_width = dec->width; - ost->resample_height = dec->height; - ost->resample_pix_fmt = dec->pix_fmt; + 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; -static void do_video_out(AVFormatContext *s, - OutputStream *ost, - InputStream *ist, - AVFrame *in_picture, - int *frame_size, float quality) -{ - int nb_frames, i, ret, format_video_sync; - AVFrame *final_picture; - AVCodecContext *enc; - double sync_ipts; - enc = ost->st->codec; + if (!ost->frame_number) + ost->first_pts = in_picture->pts; - sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base); + av_init_packet(&pkt); + pkt.data = NULL; + pkt.size = 0; - /* by default, we output a single frame */ - nb_frames = 1; + if (!check_recording_time(ost) || + ost->frame_number >= ost->max_frames) + return; - *frame_size = 0; + 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; - format_video_sync = video_sync_method; - if (format_video_sync < 0) - format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1; - - if (format_video_sync) { - double vdelta = sync_ipts - ost->sync_opts; - //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c - if (vdelta < -1.1) - nb_frames = 0; - else if (format_video_sync == 2) { - if(vdelta<=-0.6){ - nb_frames=0; - }else if(vdelta>0.6) - ost->sync_opts= lrintf(sync_ipts); - }else if (vdelta > 1.1) - nb_frames = lrintf(vdelta); -//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames); - if (nb_frames == 0){ - ++nb_frames_drop; - av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); - }else if (nb_frames > 1) { - nb_frames_dup += nb_frames - 1; - av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1); + 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; } - }else - ost->sync_opts= lrintf(sync_ipts); - nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); - if (nb_frames <= 0) - return; - - do_video_resample(ost, ist, in_picture, &final_picture); + big_picture.quality = ost->st->codec->global_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(1); + } - /* duplicates frame if needed */ - for(i=0;iindex; - - if (s->oformat->flags & AVFMT_RAWPICTURE) { - /* 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 *)final_picture; - pkt.size= sizeof(AVPicture); - pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - - write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); - } else { - AVFrame big_picture; - - big_picture= *final_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; - } + 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); - /* 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; -// big_picture.pts = AV_NOPTS_VALUE; - big_picture.pts= ost->sync_opts; -// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den); -//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts); - 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_video(enc, - bit_buffer, bit_buffer_size, - &big_picture); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); - exit_program(1); - } + write_frame(s, &pkt, ost); + *frame_size = pkt.size; + video_size += pkt.size; - if(ret>0){ - pkt.data= bit_buffer; - pkt.size= ret; - if(enc->coded_frame->pts != AV_NOPTS_VALUE) - pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); -/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n", - pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1, - pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/ - - if(enc->coded_frame->key_frame) - pkt.flags |= AV_PKT_FLAG_KEY; - write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters); - *frame_size = ret; - video_size += ret; - //fprintf(stderr,"\nFrame: %3d size: %5d type: %d", - // enc->frame_number-1, ret, enc->pict_type); - /* if two pass, output log */ - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } + /* if two pass, output log */ + if (ost->logfile && enc->stats_out) { + fprintf(ost->logfile, "%s", enc->stats_out); } } - ost->sync_opts++; - ost->frame_number++; } + 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 double psnr(double d) +{ + return -10.0 * log(d) / log(10.0); } -static void do_video_stats(AVFormatContext *os, OutputStream *ost, - int frame_size) +static void do_video_stats(OutputStream *ost, int frame_size) { AVCodecContext *enc; int frame_number; @@ -1288,16 +632,16 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost, vstats_file = fopen(vstats_filename, "w"); if (!vstats_file) { perror("fopen"); - exit_program(1); + exit(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); + 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, "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 */ @@ -1305,17 +649,132 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost, if (ti1 < 0.01) ti1 = 0.01; - bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; + 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); + (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 void print_report(OutputFile *output_files, - OutputStream *ost_table, int nb_ostreams, - int is_last_report, int64_t timer_start) +/* + * Read one frame for lavfi output for ost and encode it. + */ +static int poll_filter(OutputStream *ost) +{ + OutputFile *of = output_files[ost->file_index]; + AVFilterBufferRef *picref; + 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_read_samples(ost->filter->filter, &picref, + ost->st->codec->frame_size); + else + ret = av_buffersink_read(ost->filter->filter, &picref); + + if (ret < 0) + return ret; + + 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 < 0) { + avfilter_unref_buffer(picref); + return 0; + } + } + + 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); + 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); + } + + avfilter_unref_buffer(picref); + + return 0; +} + +/* + * 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) +{ + int i, j, ret = 0; + + while (ret >= 0 && !received_sigterm) { + OutputStream *ost = NULL; + int64_t min_pts = INT64_MAX; + + /* choose output stream with the lowest timestamp */ + for (i = 0; i < nb_output_streams; i++) { + int64_t pts = output_streams[i]->sync_opts; + + if (!output_streams[i]->filter || output_streams[i]->finished) + continue; + + 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 (!ost) + break; + + ret = poll_filter(ost); + + if (ret == AVERROR_EOF) { + OutputFile *of = output_files[ost->file_index]; + + ost->finished = 1; + + if (of->shortest) { + for (j = 0; j < of->ctx->nb_streams; j++) + output_streams[of->ost_index + j]->finished = 1; + } + + ret = 0; + } else if (ret == AVERROR(EAGAIN)) + return 0; + } + + return ret; +} + +static void print_report(int is_last_report, int64_t timer_start) { char buf[1024]; OutputStream *ost; @@ -1344,60 +803,68 @@ static void print_report(OutputFile *output_files, } - oc = output_files[0].ctx; + 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) // 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; + } buf[0] = '\0'; ti1 = 1e10; vid = 0; - for(i=0;ist->codec; if (!ost->stream_copy && enc->coded_frame) - q = enc->coded_frame->quality/(float)FF_QP2LAMBDA; + 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; + 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) + 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){ + if (qp_hist) { int j; int qp = lrintf(q); - if(qp>=0 && 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))); + 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){ + if (enc->flags&CODEC_FLAG_PSNR) { int j; - double error, error_sum=0; - double scale, scale_sum=0; - char type[3]= {'Y','U','V'}; + 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; + 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; + 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), "%c:%2.2f ", type[j], psnr(error / scale)); } - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum)); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); } vid = 1; } @@ -1427,103 +894,83 @@ static void print_report(OutputFile *output_files, 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 + video_size / 1024.0, + audio_size / 1024.0, + extra_size / 1024.0, + 100.0 * (total_size - raw) / raw ); } } -static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size) -{ - int fill_char = 0x00; - if (sample_fmt == AV_SAMPLE_FMT_U8) - fill_char = 0x80; - memset(buf, fill_char, size); -} - -static void flush_encoders(OutputStream *ost_table, int nb_ostreams) +static void flush_encoders(void) { int i, ret; - for (i = 0; i < nb_ostreams; i++) { - OutputStream *ost = &ost_table[i]; + 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; + 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) + 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)) + if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) continue; - for(;;) { - AVPacket pkt; - int fifo_bytes; - av_init_packet(&pkt); - pkt.stream_index= ost->index; + 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: - fifo_bytes = av_fifo_size(ost->fifo); - ret = 0; - /* encode any samples remaining in fifo */ - if (fifo_bytes > 0) { - int osize = av_get_bytes_per_sample(enc->sample_fmt); - int fs_tmp = enc->frame_size; - - av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL); - if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) { - enc->frame_size = fifo_bytes / (osize * enc->channels); - } else { /* pad */ - int frame_bytes = enc->frame_size*osize*enc->channels; - if (allocated_audio_buf_size < frame_bytes) - exit_program(1); - generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes); - } - - ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf); - pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den, - ost->st->time_base.num, enc->sample_rate); - enc->frame_size = fs_tmp; - } - if (ret <= 0) { - ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL); - } - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n"); - exit_program(1); - } - audio_size += ret; - pkt.flags |= AV_PKT_FLAG_KEY; + encode = avcodec_encode_audio2; + desc = "Audio"; + size = &audio_size; break; case AVMEDIA_TYPE_VIDEO: - ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL); + 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, "Video encoding failed\n"); - exit_program(1); + av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); + exit(1); } - video_size += ret; - if(enc->coded_frame && enc->coded_frame->key_frame) - pkt.flags |= AV_PKT_FLAG_KEY; + *size += ret; if (ost->logfile && enc->stats_out) { fprintf(ost->logfile, "%s", enc->stats_out); } - break; - default: - ret=-1; + 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); } - if (ret <= 0) + if (stop_encoding) break; - pkt.data = bit_buffer; - pkt.size = ret; - if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE) - pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base); - write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters); } } } @@ -1533,28 +980,21 @@ static void flush_encoders(OutputStream *ost_table, int nb_ostreams) */ static int check_output_constraints(InputStream *ist, OutputStream *ost) { - OutputFile *of = &output_files[ost->file_index]; - int ist_index = ist - input_streams; + 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->pts < of->start_time) - return 0; - - if (of->recording_time != INT64_MAX && - av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time, - (AVRational){1, 1000000}) >= 0) { - ost->is_past_recording_time = 1; + 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]; + 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; @@ -1564,6 +1004,12 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p !ost->copy_initial_nonkeyframes) return; + if (of->recording_time != INT64_MAX && + ist->last_dts >= of->recording_time + of->start_time) { + ost->finished = 1; + return; + } + /* force the input stream PTS */ if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) audio_size += pkt->size; @@ -1572,14 +1018,13 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p ost->sync_opts++; } - opkt.stream_index = ost->index; 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->pts, AV_TIME_BASE_Q, ost->st->time_base); + 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; @@ -1587,10 +1032,11 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p 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 + // 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(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; @@ -1599,234 +1045,232 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p opkt.size = pkt->size; } - write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters); + write_frame(of->ctx, &opkt, ost); ost->st->codec->frame_number++; - ost->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->pts, 1000000, AV_TIME_BASE); + 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); + av_usleep(pts - now); } } -static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output) +int guess_input_channel_layout(InputStream *ist) { - static unsigned int samples_size = 0; - int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt); - uint8_t *decoded_data_buf = NULL; - int decoded_data_size = 0; - int i, ret; + AVCodecContext *dec = ist->st->codec; + + if (!dec->channel_layout) { + char layout_name[256]; - if (pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) { - av_free(samples); - samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE); - samples = av_malloc(samples_size); + 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); } - decoded_data_size = samples_size; + return 1; +} - ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size, - pkt); - if (ret < 0) +static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) +{ + AVFrame *decoded_frame; + AVCodecContext *avctx = ist->st->codec; + int i, ret, resample_changed; + + if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) + 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_buffer(ist->filters[i]->filter, NULL); + } return ret; - pkt->data += ret; - pkt->size -= ret; - *got_output = decoded_data_size > 0; - - /* Some bug in mpeg audio decoder gives */ - /* decoded_data_size < 0, it seems they are overflows */ - if (!*got_output) { - /* no audio frame */ - return 0; } - decoded_data_buf = (uint8_t *)samples; - ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) / - (ist->st->codec->sample_rate * ist->st->codec->channels); - - // preprocess audio (volume) - if (audio_volume != 256) { - switch (ist->st->codec->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); - } + /* 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; } rate_emu_sleep(ist); - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = &output_streams[i]; + 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 (!check_output_constraints(ist, ost) || !ost->encoding_needed) - continue; - do_audio_out(output_files[ost->file_index].ctx, ost, ist, - decoded_data_buf, decoded_data_size); + 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(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(1); + } } - return 0; + + 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++) + av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame); + + return ret; } -static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts) +static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) { - AVFrame *decoded_frame, *filtered_frame = NULL; + AVFrame *decoded_frame; void *buffer_to_free = NULL; - int i, ret = 0; - float quality; -#if CONFIG_AVFILTER - int frame_available = 1; -#endif + int i, ret = 0, resample_changed; - if (!(decoded_frame = avcodec_alloc_frame())) + if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) return AVERROR(ENOMEM); - pkt->pts = *pkt_pts; - pkt->dts = ist->pts; - *pkt_pts = AV_NOPTS_VALUE; + decoded_frame = ist->decoded_frame; ret = avcodec_decode_video2(ist->st->codec, decoded_frame, got_output, pkt); - if (ret < 0) - goto fail; - - quality = same_quant ? decoded_frame->quality : 0; - if (!*got_output) { - /* no picture yet */ - av_freep(&decoded_frame); - return 0; - } - ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts, - decoded_frame->pkt_dts); - 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_pts += ((int64_t)AV_TIME_BASE * - ist->st->codec->time_base.num * ticks) / - ist->st->codec->time_base.den; + if (!*got_output || ret < 0) { + 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)); + + ret = poll_filters(); + if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) + av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); + + 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(1); + } + } + + for (i = 0; i < ist->nb_filters; i++) { + 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]; - int frame_size; + OutputStream *ost = output_streams[i]; if (!check_output_constraints(ist, ost) || !ost->encoding_needed) continue; -#if CONFIG_AVFILTER - if (ost->input_video_filter) { - AVRational sar; - if (ist->st->sample_aspect_ratio.num) - sar = ist->st->sample_aspect_ratio; - else - sar = ist->st->codec->sample_aspect_ratio; - av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, ist->pts, sar); - if (!(filtered_frame = avcodec_alloc_frame())) { - ret = AVERROR(ENOMEM); - goto fail; - } - frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]); - } - while (frame_available) { - AVRational ist_pts_tb; - if (ost->output_video_filter) - get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb); - if (ost->picref) - ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q); - if (ost->picref->video && !ost->frame_aspect_ratio) - ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect; -#else - filtered_frame = decoded_frame; -#endif - - do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size, - same_quant ? quality : ost->st->codec->global_quality); - if (vstats_filename && frame_size) - do_video_stats(output_files[ost->file_index].ctx, ost, frame_size); -#if CONFIG_AVFILTER - frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]); - if (ost->picref) - avfilter_unref_buffer(ost->picref); - } - av_freep(&filtered_frame); -#endif + do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts); } -fail: - av_free(buffer_to_free); - av_freep(&decoded_frame); + avsubtitle_free(&subtitle); return ret; } /* pkt = NULL means EOF (needed to flush decoder buffers) */ -static int output_packet(InputStream *ist, int ist_index, - OutputStream *ost_table, int nb_ostreams, - const AVPacket *pkt) +static int output_packet(InputStream *ist, const AVPacket *pkt) { - AVFormatContext *os; - OutputStream *ost; - int ret = 0, i; + int i; int got_output; - AVSubtitle subtitle, *subtitle_to_free; - int64_t pkt_pts = AV_NOPTS_VALUE; - AVPacket avpkt; - if(ist->next_pts == AV_NOPTS_VALUE) - ist->next_pts= ist->pts; + if (ist->next_dts == AV_NOPTS_VALUE) + ist->next_dts = ist->last_dts; if (pkt == NULL) { /* EOF handling */ @@ -1838,112 +1282,79 @@ static int output_packet(InputStream *ist, int ist_index, avpkt = *pkt; } - if(pkt->dts != AV_NOPTS_VALUE) - ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); - if(pkt->pts != AV_NOPTS_VALUE) - pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); + 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 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->pts= ist->next_pts; - if(avpkt.size && avpkt.size != pkt->size) + 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; - - // XXX temporary hack, will be turned to a switch() once all codec - // types are split out - if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { - ret = transcode_audio(ist, &avpkt, &got_output); - if (ret < 0) - return ret; - continue; - } else if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { - ret = transcode_video(ist, &avpkt, &got_output, &pkt_pts); - if (ret < 0) - return ret; - if (!got_output) - goto discard_packet; - continue; + ist->showed_multi_packet_warning = 1; } - /* decode the packet if needed */ - subtitle_to_free = NULL; - switch(ist->st->codec->codec_type) { - case AVMEDIA_TYPE_SUBTITLE: - ret = avcodec_decode_subtitle2(ist->st->codec, - &subtitle, &got_output, &avpkt); - if (ret < 0) - return ret; - if (!got_output) { - goto discard_packet; + 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); } - subtitle_to_free = &subtitle; - avpkt.size = 0; + break; + case AVMEDIA_TYPE_SUBTITLE: + ret = transcode_subtitles(ist, &avpkt, &got_output); break; default: return -1; } - /* frame rate emulation */ - rate_emu_sleep(ist); - - /* if output time reached then transcode raw format, - encode packets and output them */ - for (i = 0; i < nb_ostreams; i++) { - ost = &ost_table[i]; - - if (!check_output_constraints(ist, ost) || !ost->encoding_needed) - continue; - - os = output_files[ost->file_index].ctx; - - /* set the input output pts pairs */ - //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE; - - av_assert0(ist->decoding_needed); - switch(ost->st->codec->codec_type) { - case AVMEDIA_TYPE_SUBTITLE: - do_subtitle_out(os, ost, ist, &subtitle, - pkt->pts); - break; - default: - abort(); - } - } - - /* XXX: allocate the subtitles in the codec ? */ - if (subtitle_to_free) { - avsubtitle_free(subtitle_to_free); - subtitle_to_free = NULL; - } 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; + } } - discard_packet: /* 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_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / + 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_pts += ((int64_t)AV_TIME_BASE * + 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_ostreams; i++) { - ost = &ost_table[i]; + for (i = 0; pkt && i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; if (!check_output_constraints(ist, ost) || ost->encoding_needed) continue; @@ -1954,28 +1365,27 @@ static int output_packet(InputStream *ist, int ist_index, return 0; } -static void print_sdp(OutputFile *output_files, int n) +static void print_sdp(void) { - char sdp[2048]; + char sdp[16384]; int i; - AVFormatContext **avc = av_malloc(sizeof(*avc)*n); + AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); if (!avc) - exit_program(1); - for (i = 0; i < n; i++) - avc[i] = output_files[i].ctx; + exit(1); + for (i = 0; i < nb_output_files; i++) + avc[i] = output_files[i]->ctx; - av_sdp_create(avc, n, sdp, sizeof(sdp)); + 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, OutputStream *output_streams, int nb_output_streams, - char *error, int error_len) +static int init_input_stream(int ist_index, char *error, int error_len) { - int i; - InputStream *ist = &input_streams[ist_index]; + int i, ret; + InputStream *ist = input_streams[ist_index]; if (ist->decoding_needed) { AVCodec *codec = ist->dec; if (!codec) { @@ -1987,38 +1397,92 @@ static int init_input_stream(int ist_index, OutputStream *output_streams, int nb /* 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]; + OutputStream *ost = output_streams[i]; if (ost->source_index == ist_index) { update_sample_fmt(ist->st->codec, codec, ost->st->codec); break; } } - if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) { + 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->buffer_pool; + } + + 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) { + if (ret == AVERROR_EXPERIMENTAL) + abort_codec_experimental(codec, 0); snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d", ist->file_index, ist->st->index); - return AVERROR(EINVAL); + return ret; } - assert_codec_experimental(ist->st->codec, 0); assert_avoptions(ist->opts); } - ist->pts = 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_pts = AV_NOPTS_VALUE; + 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 int transcode_init(OutputFile *output_files, - int nb_output_files, - InputFile *input_files, - int nb_input_files) +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 void parse_forced_key_frames(char *kf, OutputStream *ost, + AVCodecContext *avctx) +{ + char *p; + int n = 1, i; + int64_t t; + + 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(1); + } + + p = kf; + for (i = 0; i < n; i++) { + char *next = strchr(p, ','); + + 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 int transcode_init(void) { int ret = 0, i, j, k; AVFormatContext *oc; - AVCodecContext *codec, *icodec; + AVCodecContext *codec; OutputStream *ost; InputStream *ist; char error[1024]; @@ -2026,15 +1490,15 @@ static int transcode_init(OutputFile *output_files, /* init framerate emulation */ for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = &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(); + 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; + 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); @@ -2042,24 +1506,37 @@ static int transcode_init(OutputFile *output_files, } } + /* 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 = &input_streams[ost->source_index]; + 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; - 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 (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 = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; + 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); @@ -2079,15 +1556,14 @@ static int transcode_init(OutputFile *output_files, 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 && - av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && - av_q2d(ist->st->time_base) < 1.0/500) { + 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, @@ -2095,11 +1571,11 @@ static int transcode_init(OutputFile *output_files, } else codec->time_base = ist->st->time_base; - switch(codec->codec_type) { + switch (codec->codec_type) { case AVMEDIA_TYPE_AUDIO: - if(audio_volume != 256) { + if (audio_volume != 256) { av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); - exit_program(1); + exit(1); } codec->channel_layout = icodec->channel_layout; codec->sample_rate = icodec->sample_rate; @@ -2132,103 +1608,89 @@ static int transcode_init(OutputFile *output_files, abort(); } } else { - if (!ost->enc) - ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); + 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->decoding_needed = 1; + if (ist) + ist->decoding_needed = 1; ost->encoding_needed = 1; - switch(codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ost->fifo = av_fifo_alloc(1024); - if (!ost->fifo) { - return AVERROR(ENOMEM); - } - ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE); - - if (!codec->sample_rate) - codec->sample_rate = icodec->sample_rate; - choose_sample_rate(ost->st, ost->enc); - codec->time_base = (AVRational){1, codec->sample_rate}; - - if (codec->sample_fmt == AV_SAMPLE_FMT_NONE) - codec->sample_fmt = icodec->sample_fmt; - choose_sample_fmt(ost->st, ost->enc); - - if (!codec->channels) - codec->channels = icodec->channels; - codec->channel_layout = icodec->channel_layout; - if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels) - codec->channel_layout = 0; - - ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1; - icodec->request_channels = codec-> channels; - ost->resample_sample_fmt = icodec->sample_fmt; - ost->resample_sample_rate = icodec->sample_rate; - ost->resample_channels = icodec->channels; - break; - case AVMEDIA_TYPE_VIDEO: - if (codec->pix_fmt == PIX_FMT_NONE) - codec->pix_fmt = icodec->pix_fmt; - choose_pixel_fmt(ost->st, ost->enc); - - if (ost->st->codec->pix_fmt == PIX_FMT_NONE) { - av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n"); - exit_program(1); - } - - if (!codec->width || !codec->height) { - codec->width = icodec->width; - codec->height = icodec->height; - } - - ost->video_resample = codec->width != icodec->width || - codec->height != icodec->height || - codec->pix_fmt != icodec->pix_fmt; - if (ost->video_resample) { -#if !CONFIG_AVFILTER - avcodec_get_frame_defaults(&ost->pict_tmp); - if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt, - codec->width, codec->height)) { - av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n"); - exit_program(1); - } - ost->img_resample_ctx = sws_getContext( - icodec->width, - icodec->height, - icodec->pix_fmt, - codec->width, - codec->height, - codec->pix_fmt, - ost->sws_flags, NULL, NULL, NULL); - if (ost->img_resample_ctx == NULL) { - av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n"); - exit_program(1); - } -#endif - codec->bits_per_raw_sample= 0; - } + /* + * 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}; - ost->resample_height = icodec->height; - ost->resample_width = icodec->width; - ost->resample_pix_fmt = icodec->pix_fmt; - - if (!ost->frame_rate.num) - 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]; } - codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num}; + } -#if CONFIG_AVFILTER - if (configure_video_filters(ist, ost)) { - av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); - exit(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(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 (icodec && + (codec->width != icodec->width || + codec->height != icodec->height || + codec->pix_fmt != icodec->pix_fmt)) { + codec->bits_per_raw_sample = 0; } -#endif + + 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(); @@ -2240,55 +1702,45 @@ static int transcode_init(OutputFile *output_files, FILE *f; snprintf(logfilename, sizeof(logfilename), "%s-%d.log", - pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX, + ost->logfile_prefix ? ost->logfile_prefix : + DEFAULT_PASS_LOGFILENAME_PREFIX, i); - 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; + if (!strcmp(ost->enc->name, "libx264")) { + av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); } 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); + 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(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(1); + } + codec->stats_in = logbuffer; } - codec->stats_in = logbuffer; } } } - if(codec->codec_type == AVMEDIA_TYPE_VIDEO){ - int size = codec->width * codec->height; - bit_buffer_size = FFMAX(bit_buffer_size, 6*size + 200); - } - } - - if (!bit_buffer) - bit_buffer = av_malloc(bit_buffer_size); - if (!bit_buffer) { - av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n", - bit_buffer_size); - return AVERROR(ENOMEM); } /* open each encoder */ for (i = 0; i < nb_output_streams; i++) { - ost = &output_streams[i]; + ost = output_streams[i]; if (ost->encoding_needed) { AVCodec *codec = ost->enc; - AVCodecContext *dec = input_streams[ost->source_index].st->codec; - if (!codec) { - snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d", - ost->st->codec->codec_id, ost->file_index, ost->index); - ret = AVERROR(EINVAL); - goto dump_format; - } - if (dec->subtitle_header) { + 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); @@ -2297,13 +1749,15 @@ static int transcode_init(OutputFile *output_files, memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); ost->st->codec->subtitle_header_size = dec->subtitle_header_size; } - if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) { + 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); - 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." @@ -2311,24 +1765,24 @@ static int transcode_init(OutputFile *output_files, extra_size += ost->st->codec->extradata_size; if (ost->st->codec->me_threshold) - input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV; + 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, output_streams, nb_output_streams, error, sizeof(error))) < 0) + 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]; + 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) { + if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { discard = AVDISCARD_DEFAULT; break; } @@ -2338,14 +1792,18 @@ static int transcode_init(OutputFile *output_files, /* open files and write file headers */ for (i = 0; i < nb_output_files; i++) { - oc = output_files[i].ctx; + 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); + if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { + char errbuf[128]; + const char *errbuf_ptr = errbuf; + if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0) + errbuf_ptr = strerror(AVUNERROR(ret)); + snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr); ret = AVERROR(EINVAL); goto dump_format; } - assert_avoptions(output_files[i].opts); + assert_avoptions(output_files[i]->opts); if (strcmp(oc->oformat->name, "rtp")) { want_sdp = 0; } @@ -2355,13 +1813,28 @@ static int transcode_init(OutputFile *output_files, /* 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); + av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 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]; + + 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"); + } + } + } + for (i = 0; i < nb_output_streams; i++) { - ost = &output_streams[i]; + ost = output_streams[i]; if (ost->attachment_filename) { /* an attached file */ @@ -2369,20 +1842,32 @@ static int transcode_init(OutputFile *output_files, ost->attachment_filename, ost->file_index, ost->index); continue; } + + 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); + + 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, " Stream #%d:%d -> #%d:%d", - input_streams[ost->source_index].file_index, - input_streams[ost->source_index].st->index, + 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]) + 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 : "?", + 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"); } @@ -2393,1499 +1878,435 @@ static int transcode_init(OutputFile *output_files, } if (want_sdp) { - print_sdp(output_files, nb_output_files); + print_sdp(); } return 0; } -/* - * The following code is the main loop of the file converter - */ -static int transcode(OutputFile *output_files, - int nb_output_files, - InputFile *input_files, - int nb_input_files) +/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ +static int need_output(void) { - int ret, i; - AVFormatContext *is, *os; - OutputStream *ost; - InputStream *ist; - uint8_t *no_packet; - int no_packet_count=0; - int64_t timer_start; + int i; - if (!(no_packet = av_mallocz(nb_input_files))) - exit_program(1); + 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; - ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files); - if (ret < 0) - goto fail; + 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; + } - av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n"); - term_init(); + return 1; + } - timer_start = av_gettime(); + return 0; +} - for(; received_sigterm == 0;) { - int file_index, ist_index; - AVPacket pkt; - int64_t ipts_min; - double opts_min; - - ipts_min = INT64_MAX; - opts_min= 1e100; - - /* select the stream that we must read now by looking at the - smallest output pts */ - file_index = -1; - for (i = 0; i < nb_output_streams; i++) { - OutputFile *of; - int64_t ipts; - double opts; - ost = &output_streams[i]; - of = &output_files[ost->file_index]; - os = output_files[ost->file_index].ctx; - ist = &input_streams[ost->source_index]; - if (ost->is_past_recording_time || no_packet[ist->file_index] || - (os->pb && avio_tell(os->pb) >= of->limit_filesize)) - continue; - opts = ost->st->pts.val * av_q2d(ost->st->time_base); - ipts = ist->pts; - if (!input_files[ist->file_index].eof_reached){ - if(ipts < ipts_min) { - ipts_min = ipts; - if(input_sync ) file_index = ist->file_index; - } - if(opts < opts_min) { - opts_min = opts; - if(!input_sync) file_index = ist->file_index; - } - } - 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; - } - } - /* 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; - } - - /* 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; - if (opt_shortest) - break; - else - continue; - } - - no_packet_count=0; - memset(no_packet, 0, nb_input_files); - - 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; - - 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); - - 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_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type); - if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != 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_pts; - if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1pts)&& !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); - } - } - - //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size); - if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 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); - continue; - } - - discard_packet: - av_free_packet(&pkt); - - /* dump report by using the output first video and audio streams */ - print_report(output_files, output_streams, nb_output_streams, 0, timer_start); - } - - /* at the end of stream, we must flush the decoder buffers */ - for (i = 0; i < nb_input_streams; i++) { - ist = &input_streams[i]; - if (ist->decoding_needed) { - output_packet(ist, i, output_streams, nb_output_streams, NULL); - } - } - flush_encoders(output_streams, nb_output_streams); - - term_exit(); - - /* write the trailer if needed and close file */ - for(i=0;iencoding_needed) { - av_freep(&ost->st->codec->stats_in); - avcodec_close(ost->st->codec); - } -#if CONFIG_AVFILTER - avfilter_graph_free(&ost->graph); -#endif - } - - /* close each decoder */ - for (i = 0; i < nb_input_streams; i++) { - ist = &input_streams[i]; - if (ist->decoding_needed) { - avcodec_close(ist->st->codec); - } - } - - /* finished ! */ - ret = 0; - - fail: - av_freep(&bit_buffer); - 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_fifo_free(ost->fifo); /* works even if fifo is not - initialized but set to zero */ - av_freep(&ost->st->codec->subtitle_header); - av_free(ost->pict_tmp.data[0]); - av_free(ost->forced_kf_pts); - if (ost->video_resample) - sws_freeContext(ost->img_resample_ctx); - if (ost->resample) - audio_resample_close(ost->resample); - if (ost->reformat_ctx) - av_audio_convert_free(ost->reformat_ctx); - av_dict_free(&ost->opts); - } - } - } - return ret; -} - -static double parse_frame_aspect_ratio(const char *arg) +static InputFile *select_input_file(void) { - 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 (!ar) { - av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n"); - exit_program(1); - } - return ar; -} - -static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:a", arg, options); -} - -static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:v", arg, options); -} - -static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:s", arg, options); -} - -static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg) -{ - return parse_option(o, "codec:d", arg, options); -} - -static int opt_map(OptionsContext *o, const char *opt, const char *arg) -{ - 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); - } - 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; - 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); - } - } - - - 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 (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]; + InputFile *ifile = NULL; + int64_t ipts_min = INT64_MAX; + int i; - m->file_index = file_idx; - m->stream_index = i; + for (i = 0; i < nb_input_streams; i++) { + InputStream *ist = input_streams[i]; + int64_t ipts = ist->last_dts; - 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; + if (ist->discard || input_files[ist->file_index]->eagain) + continue; + if (!input_files[ist->file_index]->eof_reached) { + if (ipts < ipts_min) { + ipts_min = ipts; + ifile = input_files[ist->file_index]; } } - - if (!m) { - av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg); - exit_program(1); - } - - av_freep(&map); - return 0; -} - -static int opt_attach(OptionsContext *o, const char *opt, const char *arg) -{ - 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; -} - -static void parse_meta_type(char *arg, char *type, int *index) -{ - if (*arg) { - *type = *arg; - switch (*arg) { - case 'g': - break; - case 's': - 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'; -} - -static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg) -{ - MetadataMap *m, *m1; - char *p; - - o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps), - &o->nb_meta_data_maps, o->nb_meta_data_maps + 1); - - m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1]; - m->file = strtol(arg, &p, 0); - parse_meta_type(*p ? p + 1 : p, &m->type, &m->index); - - m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0]; - if (p = strchr(opt, ':')) - parse_meta_type(p + 1, &m1->type, &m1->index); - else - m1->type = 'g'; - - if (m->type == 'g' || m1->type == 'g') - o->metadata_global_manual = 1; - if (m->type == 's' || m1->type == 's') - o->metadata_streams_manual = 1; - if (m->type == 'c' || m1->type == 'c') - o->metadata_chapters_manual = 1; - - return 0; -} - -static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) -{ - const char *codec_string = encoder ? "encoder" : "decoder"; - AVCodec *codec; - - 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); - } - if(codec->type != type) { - av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); - exit_program(1); } - return codec; -} - -static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) -{ - char *codec_name = NULL; - 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); + return ifile; } -/** - * 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) +#if HAVE_PTHREADS +static void *input_thread(void *arg) { - int i, rfps, rfps_base; + InputFile *f = arg; + int ret = 0; - for (i = 0; i < ic->nb_streams; i++) { - AVStream *st = ic->streams[i]; - AVCodecContext *dec = st->codec; - InputStream *ist; - - input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1); - ist = &input_streams[nb_input_streams - 1]; - ist->st = st; - ist->file_index = nb_input_files; - ist->discard = 1; - ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st); - - ist->ts_scale = 1.0; - MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); - - ist->dec = choose_decoder(o, ic, st); + while (!transcoding_finished && ret >= 0) { + AVPacket pkt; + ret = av_read_frame(f->ctx, &pkt); - switch (dec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - if (o->audio_disable) - st->discard= AVDISCARD_ALL; + if (ret == AVERROR(EAGAIN)) { + av_usleep(10000); + ret = 0; + continue; + } else if (ret < 0) break; - case AVMEDIA_TYPE_VIDEO: - rfps = ic->streams[i]->r_frame_rate.num; - rfps_base = ic->streams[i]->r_frame_rate.den; - if (dec->lowres) { - dec->flags |= CODEC_FLAG_EMU_EDGE; - dec->height >>= dec->lowres; - dec->width >>= dec->lowres; - } - if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) { + pthread_mutex_lock(&f->fifo_lock); + while (!av_fifo_space(f->fifo)) + pthread_cond_wait(&f->fifo_cond, &f->fifo_lock); - av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n", - i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num, - (float)rfps / rfps_base, rfps, rfps_base); - } + av_dup_packet(&pkt); + av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL); - if (o->video_disable) - st->discard= AVDISCARD_ALL; - else if(video_discard) - st->discard= video_discard; - break; - case AVMEDIA_TYPE_DATA: - break; - case AVMEDIA_TYPE_SUBTITLE: - if (o->subtitle_disable) - st->discard = AVDISCARD_ALL; - break; - case AVMEDIA_TYPE_ATTACHMENT: - case AVMEDIA_TYPE_UNKNOWN: - break; - default: - abort(); - } + pthread_mutex_unlock(&f->fifo_lock); } -} -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); - } - } - else { - fprintf(stderr,"File '%s' already exists. Exiting.\n", filename); - exit_program(1); - } - } - } + f->finished = 1; + return NULL; } -static void dump_attachment(AVStream *st, const char *filename) +static void free_input_threads(void) { - int ret; - AVIOContext *out = NULL; - AVDictionaryEntry *e; + int i; - 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); + if (nb_input_files == 1) 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); - } - - assert_file_overwrite(filename); - - 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); - } - - avio_write(out, st->codec->extradata, st->codec->extradata_size); - avio_flush(out); - avio_close(out); -} - -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 (!strcmp(filename, "-")) - filename = "pipe:"; - - using_stdin |= !strncmp(filename, "pipe:", 5) || - !strcmp(filename, "/dev/stdin"); - - /* 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) { - snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i); - av_dict_set(&format_opts, "channels", buf, 0); - } - 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); - } - 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); - av_close_input_file(ic); - exit_program(1); - } - - timestamp = o->start_time; - /* add the stream start time */ - if (ic->start_time != AV_NOPTS_VALUE) - timestamp += ic->start_time; - - /* 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); - } - } - - /* 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); - - input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1); - 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; - - for (i = 0; i < o->nb_dump_attachment; i++) { - int j; - - for (j = 0; j < ic->nb_streams; j++) { - AVStream *st = ic->streams[j]; - - if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) - dump_attachment(st, o->dump_attachment[i].u.str); - } - } - - for (i = 0; i < orig_nb_streams; i++) - av_dict_free(&opts[i]); - av_freep(&opts); - - reset_options(o); - return 0; -} - -static void parse_forced_key_frames(char *kf, OutputStream *ost, - AVCodecContext *avctx) -{ - char *p; - int n = 1, i; - int64_t t; - - 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); - } -} -static uint8_t *get_line(AVIOContext *s) -{ - AVIOContext *line; - uint8_t *buf; - char c; + transcoding_finished = 1; - if (avio_open_dyn_buf(&line) < 0) { - av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); - exit_program(1); - } - - while ((c = avio_r8(s)) && c != '\n') - avio_w8(line, c); - avio_w8(line, 0); - avio_close_dyn_buf(line, &buf); - - return buf; -} + for (i = 0; i < nb_input_files; i++) { + InputFile *f = input_files[i]; + AVPacket pkt; -static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) -{ - 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]) + if (!f->fifo || f->joined) 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); - } - } - 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; - } -} - -static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type) -{ - 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); - ost = &output_streams[nb_output_streams - 1]; - 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); - } - - ost->max_frames = INT64_MAX; - MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); - - 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; - - bsfc_prev = bsfc; - bsf = next; - } - 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; - } - - 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; - } - - 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); - return ost; -} - -static void parse_matrix_coeffs(uint16_t *dest, const char *str) -{ - 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; - - 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); - } - - 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); - } - - 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); - - 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); - } - st->sample_aspect_ratio = video_enc->sample_aspect_ratio; - - 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); - } - - 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; - } + 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); } + pthread_cond_signal(&f->fifo_cond); + pthread_mutex_unlock(&f->fifo_lock); - 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(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); + pthread_join(f->thread, NULL); + f->joined = 1; -#if CONFIG_AVFILTER - MATCH_PER_STREAM_OPT(filters, str, filters, oc, st); - if (filters) - ost->avfilter = av_strdup(filters); -#endif + while (av_fifo_size(f->fifo)) { + av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); + av_free_packet(&pkt); + } + 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; + int i, ret; - audio_enc = st->codec; - audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; + if (nb_input_files == 1) + return 0; - if (!ost->stream_copy) { - char *sample_fmt = NULL; + for (i = 0; i < nb_input_files; i++) { + InputFile *f = input_files[i]; - MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); + if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket)))) + return AVERROR(ENOMEM); - 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); - } + pthread_mutex_init(&f->fifo_lock, NULL); + pthread_cond_init (&f->fifo_cond, NULL); - MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); + 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; - - 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 < nb_input_files; i++) + input_files[i]->eagain = 0; +} + +/* + * 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) +{ + InputFile *ifile; + AVFormatContext *is; + InputStream *ist; + AVPacket pkt; + int ret, i, j; - 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); + /* 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; + } + is = ifile->ctx; + ret = get_input_packet(ifile, &pkt); - if (in_ch->end < ts_off) - continue; - if (rt != INT64_MAX && in_ch->start > rt + ts_off) - break; + 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(1); + } + ifile->eof_reached = 1; - out_ch = av_mallocz(sizeof(AVChapter)); - if (!out_ch) - return AVERROR(ENOMEM); + for (i = 0; i < ifile->nb_streams; i++) { + ist = input_streams[ifile->ist_index + i]; + if (ist->decoding_needed) + output_packet(ist, NULL); - 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); + /* 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 (copy_metadata) - av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); + if (ost->source_index == ifile->ist_index + i && + (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) + ost->finished= 1; + } + } - 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 AVERROR(EAGAIN); } - return 0; -} -static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename) -{ - int i, err; - AVFormatContext *ic = avformat_alloc_context(); - - ic->interrupt_callback = int_cb; - err = avformat_open_input(&ic, filename, NULL, NULL); - if (err < 0) - return err; - /* copy stream format */ - for(i=0;inb_streams;i++) { - AVStream *st; - OutputStream *ost; - AVCodec *codec; - - codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id); - ost = new_output_stream(o, s, codec->type); - st = ost->st; - - // FIXME: a more elegant solution is needed - memcpy(st, ic->streams[i], sizeof(AVStream)); - st->info = NULL; - avcodec_copy_context(st->codec, ic->streams[i]->codec); - - if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy) - choose_sample_fmt(st, codec); - else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy) - choose_pixel_fmt(st, codec); + reset_eagain(); + + 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; - av_close_input_file(ic); - return 0; -} + ist = input_streams[ifile->ist_index + pkt.stream_index]; + if (ist->discard) + goto discard_packet; -static void opt_output_file(void *optctx, const char *filename) -{ - OptionsContext *o = optctx; - AVFormatContext *oc; - int i, err; - AVOutputFormat *file_oformat; - OutputStream *ost; - InputStream *ist; + 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); - if (!strcmp(filename, "-")) - filename = "pipe:"; + if (pkt.pts != AV_NOPTS_VALUE) + pkt.pts *= ist->ts_scale; + if (pkt.dts != AV_NOPTS_VALUE) + pkt.dts *= ist->ts_scale; - oc = avformat_alloc_context(); - if (!oc) { - print_error(filename, AVERROR(ENOMEM)); - exit_program(1); - } + 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 (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); + 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); } } - oc->oformat = file_oformat; - oc->interrupt_callback = int_cb; - av_strlcpy(oc->filename, filename, sizeof(oc->filename)); - - if (!strcmp(file_oformat->name, "ffm") && - av_strstart(filename, "http:", NULL)) { - /* special case for files sent to avserver: we get the stream - parameters from avserver */ - int err = read_avserver_streams(o, oc, filename); - if (err < 0) { - print_error(filename, err); - exit_program(1); - } - } else 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;\ - } + 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(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; - 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; - } - } + 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 ((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); - } - 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); +#if HAVE_PTHREADS + if ((ret = init_input_threads()) < 0) + goto fail; +#endif + + 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; } - 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); - 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; - 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); + /* read and process one input packet if needed */ + if (need_input) { + ret = process_input(); + if (ret == AVERROR_EOF) + need_input = 0; } - } - if (!(oc->oformat->flags & AVFMT_NOFILE)) { - /* test if it already exists to avoid loosing precious files */ - assert_file_overwrite(filename); + ret = poll_filters(); + if (ret < 0) { + if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) + continue; - /* 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); + av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); + break; } - } - 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); + /* dump report by using the output first video and audio streams */ + print_report(0, timer_start); } - oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); - oc->flags |= AVFMT_FLAG_NONBLOCK; - - /* 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); +#if HAVE_PTHREADS + free_input_threads(); +#endif + + /* 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); } } - 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 metadata */ - for (i = 0; i < o->nb_meta_data_maps; i++) { - AVFormatContext *files[2]; - AVDictionary **meta[2]; - int j; - -#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);\ - } + poll_filters(); + flush_encoders(); - int in_file_index = o->meta_data_maps[i][1].file; - if (in_file_index < 0) - continue; - METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file") + term_exit(); - files[0] = oc; - files[1] = input_files[in_file_index].ctx; + /* 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); + } - for (j = 0; j < 2; j++) { - MetadataMap *map = &o->meta_data_maps[i][j]; + /* dump report by using the first video and audio streams */ + print_report(1, timer_start); - switch (map->type) { - case 'g': - meta[j] = &files[j]->metadata; - break; - case 's': - METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream") - meta[j] = &files[j]->streams[map->index]->metadata; - break; - case 'c': - METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter") - meta[j] = &files[j]->chapters[map->index]->metadata; - break; - case 'p': - METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program") - meta[j] = &files[j]->programs[map->index]->metadata; - break; - } + /* 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); } - - av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE); } - /* 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); + /* close each decoder */ + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; + if (ist->decoding_needed) { + avcodec_close(ist->st->codec); } + } - /* process manually set metadata */ - for (i = 0; i < o->nb_metadata; i++) { - AVDictionary **m; - char type, *val; - int index = 0; - - 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; + /* finished ! */ + ret = 0; - parse_meta_type(o->metadata[i].specifier, &type, &index); - switch (type) { - case 'g': - m = &oc->metadata; - break; - case 's': - if (index < 0 || index >= oc->nb_streams) { - av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index); - exit_program(1); - } - m = &oc->streams[index]->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); + 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; + } + av_freep(&ost->st->codec->subtitle_header); + av_free(ost->forced_kf_pts); + av_dict_free(&ost->opts); } - 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_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) @@ -3924,360 +2345,12 @@ 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); -} - -#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", "file.stream[:syncfile.syncstream]" }, - { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "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_INT | OPT_EXPERT, {(void*)&video_sync_method}, "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" }, -#if CONFIG_AVFILTER - { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" }, -#endif - { "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" }, - - /* 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_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace}, - "deinterlace pictures" }, - { "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" }, -#if CONFIG_AVFILTER - { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" }, -#endif - { "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" }, - - /* 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); + atexit(exit_program); av_log_set_flags(AV_LOG_SKIP_REPEATED); parse_loglevel(argc, argv, options); @@ -4286,43 +2359,38 @@ int main(int argc, char **argv) #if CONFIG_AVDEVICE avdevice_register_all(); #endif -#if CONFIG_AVFILTER avfilter_register_all(); -#endif av_register_all(); avformat_network_init(); show_banner(); - /* 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(1); - if(nb_output_files <= 0 && nb_input_files == 0) { + if (nb_output_files <= 0 && nb_input_files == 0) { show_usage(); av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); - exit_program(1); + exit(1); } /* file converter / grab */ if (nb_output_files <= 0) { fprintf(stderr, "At least one output file must be specified\n"); - 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); + exit(1); } ti = getutime(); - if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0) - exit_program(1); + if (transcode() < 0) + exit(1); ti = getutime() - ti; if (do_benchmark) { int maxrss = getmaxrss() / 1024; printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss); } - exit_program(0); + exit(0); return 0; }