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