2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
35 #include "libavformat/avformat.h"
36 #include "libavdevice/avdevice.h"
37 #include "libswscale/swscale.h"
38 #include "libswresample/swresample.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/audioconvert.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/samplefmt.h"
43 #include "libavutil/colorspace.h"
44 #include "libavutil/fifo.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/pixdesc.h"
49 #include "libavutil/avstring.h"
50 #include "libavutil/libm.h"
51 #include "libavutil/imgutils.h"
52 #include "libavutil/timestamp.h"
53 #include "libavutil/bprint.h"
54 #include "libavformat/os_support.h"
56 #include "libavformat/ffm.h" // not public API
58 # include "libavfilter/avcodec.h"
59 # include "libavfilter/avfilter.h"
60 # include "libavfilter/avfiltergraph.h"
61 # include "libavfilter/buffersrc.h"
62 # include "libavfilter/buffersink.h"
64 #if HAVE_SYS_RESOURCE_H
65 #include <sys/types.h>
67 #include <sys/resource.h>
68 #elif HAVE_GETPROCESSTIMES
71 #if HAVE_GETPROCESSMEMORYINFO
77 #include <sys/select.h>
82 #include <sys/ioctl.h>
92 #include "libavutil/avassert.h"
95 #define VSYNC_PASSTHROUGH 0
98 #define VSYNC_DROP 0xff
102 const char program_name[] = "ffmpeg";
103 const int program_birth_year = 2000;
105 /* select an input stream for an output stream */
106 typedef struct StreamMap {
107 int disabled; /** 1 is this mapping is disabled by a negative map */
111 int sync_stream_index;
112 char *linklabel; /** name of an output link, for mapping lavfi outputs */
116 int file_idx, stream_idx, channel_idx; // input
117 int ofile_idx, ostream_idx; // output
120 static const OptionDef options[];
122 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
124 static int frame_bits_per_raw_sample = 0;
125 static int video_discard = 0;
126 static int same_quant = 0;
127 static int do_deinterlace = 0;
128 static int intra_dc_precision = 8;
129 static int qp_hist = 0;
130 static int intra_only = 0;
131 static const char *video_codec_name = NULL;
132 static const char *audio_codec_name = NULL;
133 static const char *subtitle_codec_name = NULL;
135 static int file_overwrite = 0;
136 static int no_file_overwrite = 0;
137 static int do_benchmark = 0;
138 static int do_benchmark_all = 0;
139 static int do_hex_dump = 0;
140 static int do_pkt_dump = 0;
141 static int do_psnr = 0;
142 static int do_pass = 0;
143 static const char *pass_logfilename_prefix;
144 static int video_sync_method = VSYNC_AUTO;
145 static int audio_sync_method = 0;
146 static float audio_drift_threshold = 0.1;
147 static int copy_ts = 0;
148 static int copy_tb = -1;
149 static int opt_shortest = 0;
150 static char *vstats_filename;
151 static FILE *vstats_file;
153 static int audio_volume = 256;
155 static int exit_on_error = 0;
156 static int using_stdin = 0;
157 static int run_as_daemon = 0;
158 static volatile int received_nb_signals = 0;
159 static int64_t video_size = 0;
160 static int64_t audio_size = 0;
161 static int64_t extra_size = 0;
162 static int nb_frames_dup = 0;
163 static int nb_frames_drop = 0;
164 static int input_sync;
166 static float dts_delta_threshold = 10;
167 static float dts_error_threshold = 3600*30;
169 static int print_stats = 1;
170 static int debug_ts = 0;
171 static int current_time;
173 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
175 typedef struct InputFilter {
176 AVFilterContext *filter;
177 struct InputStream *ist;
178 struct FilterGraph *graph;
182 typedef struct OutputFilter {
183 AVFilterContext *filter;
184 struct OutputStream *ost;
185 struct FilterGraph *graph;
188 /* temporary storage until stream maps are processed */
189 AVFilterInOut *out_tmp;
192 typedef struct FilterGraph {
194 const char *graph_desc;
196 AVFilterGraph *graph;
198 InputFilter **inputs;
200 OutputFilter **outputs;
204 typedef struct FrameBuffer {
210 enum PixelFormat pix_fmt;
213 struct InputStream *ist;
214 struct FrameBuffer *next;
217 typedef struct InputStream {
220 int discard; /* true if stream data should be discarded */
221 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
223 AVFrame *decoded_frame;
225 int64_t start; /* time when read started */
226 /* predicted dts of the next packet read for this stream or (when there are
227 * several frames in a packet) of the next frame in current packet */
229 /* dts of the last packet read for this stream */
232 int64_t next_pts; /* synthetic pts for the next decode frame */
233 int64_t pts; /* current pts of the decoded frame */
235 int is_start; /* is 1 at the start and after a discontinuity */
237 int showed_multi_packet_warning;
239 AVRational framerate; /* framerate forced with -r */
244 int resample_pix_fmt;
246 int resample_sample_fmt;
247 int resample_sample_rate;
248 int resample_channels;
249 uint64_t resample_channel_layout;
251 /* a pool of free buffers for decoded data */
252 FrameBuffer *buffer_pool;
255 /* decoded data from this stream goes into all those filters
256 * currently video and audio only */
257 InputFilter **filters;
261 typedef struct InputFile {
262 AVFormatContext *ctx;
263 int eof_reached; /* true if eof reached */
264 int ist_index; /* index of first stream in input_streams */
265 int buffer_size; /* current total buffer size */
267 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
268 from ctx.nb_streams if new streams appear during av_read_frame() */
272 typedef struct OutputStream {
273 int file_index; /* file index */
274 int index; /* stream index in the output file */
275 int source_index; /* InputStream index */
276 AVStream *st; /* stream in the output file */
277 int encoding_needed; /* true if encoding needed for this stream */
279 /* input pts and corresponding output pts
281 struct InputStream *sync_ist; /* input stream to sync against */
282 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
283 /* pts of the first frame encoded for this stream, used for limiting
286 AVBitStreamFilterContext *bitstream_filters;
289 AVFrame *filtered_frame;
292 AVRational frame_rate;
296 float frame_aspect_ratio;
299 /* forced key frames */
300 int64_t *forced_kf_pts;
305 int audio_channels_map[SWR_CH_MAX]; /* list of the channels id to pick from the source stream */
306 int audio_channels_mapped; /* number of channels in audio_channels_map */
310 OutputFilter *filter;
314 int64_t swr_dither_method;
315 double swr_dither_scale;
317 int is_past_recording_time;
319 const char *attachment_filename;
320 int copy_initial_nonkeyframes;
328 /* init terminal so that we can grab keys */
329 static struct termios oldtty;
330 static int restore_tty;
333 typedef struct OutputFile {
334 AVFormatContext *ctx;
336 int ost_index; /* index of the first stream in output_streams */
337 int64_t recording_time; /* desired length of the resulting file in microseconds */
338 int64_t start_time; /* start time in microseconds */
339 uint64_t limit_filesize; /* filesize limit expressed in bytes */
342 static InputStream **input_streams = NULL;
343 static int nb_input_streams = 0;
344 static InputFile **input_files = NULL;
345 static int nb_input_files = 0;
347 static OutputStream **output_streams = NULL;
348 static int nb_output_streams = 0;
349 static OutputFile **output_files = NULL;
350 static int nb_output_files = 0;
352 static FilterGraph **filtergraphs;
355 typedef struct OptionsContext {
356 /* input/output options */
360 SpecifierOpt *codec_names;
362 SpecifierOpt *audio_channels;
363 int nb_audio_channels;
364 SpecifierOpt *audio_sample_rate;
365 int nb_audio_sample_rate;
366 SpecifierOpt *frame_rates;
368 SpecifierOpt *frame_sizes;
370 SpecifierOpt *frame_pix_fmts;
371 int nb_frame_pix_fmts;
374 int64_t input_ts_offset;
377 SpecifierOpt *ts_scale;
379 SpecifierOpt *dump_attachment;
380 int nb_dump_attachment;
383 StreamMap *stream_maps;
385 AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
386 int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
387 int metadata_global_manual;
388 int metadata_streams_manual;
389 int metadata_chapters_manual;
390 const char **attachments;
393 int chapters_input_file;
395 int64_t recording_time;
396 uint64_t limit_filesize;
402 int subtitle_disable;
405 /* indexed by output file stream index */
409 SpecifierOpt *metadata;
411 SpecifierOpt *max_frames;
413 SpecifierOpt *bitstream_filters;
414 int nb_bitstream_filters;
415 SpecifierOpt *codec_tags;
417 SpecifierOpt *sample_fmts;
419 SpecifierOpt *qscale;
421 SpecifierOpt *forced_key_frames;
422 int nb_forced_key_frames;
423 SpecifierOpt *force_fps;
425 SpecifierOpt *frame_aspect_ratios;
426 int nb_frame_aspect_ratios;
427 SpecifierOpt *rc_overrides;
429 SpecifierOpt *intra_matrices;
430 int nb_intra_matrices;
431 SpecifierOpt *inter_matrices;
432 int nb_inter_matrices;
433 SpecifierOpt *top_field_first;
434 int nb_top_field_first;
435 SpecifierOpt *metadata_map;
437 SpecifierOpt *presets;
439 SpecifierOpt *copy_initial_nonkeyframes;
440 int nb_copy_initial_nonkeyframes;
441 SpecifierOpt *filters;
445 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
447 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
450 for (i = 0; i < o->nb_ ## name; i++) {\
451 char *spec = o->name[i].specifier;\
452 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
453 outvar = o->name[i].u.type;\
459 static int64_t getutime(void)
462 struct rusage rusage;
464 getrusage(RUSAGE_SELF, &rusage);
465 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
466 #elif HAVE_GETPROCESSTIMES
469 proc = GetCurrentProcess();
470 GetProcessTimes(proc, &c, &e, &k, &u);
471 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
477 static void update_benchmark(const char *fmt, ...)
479 if (do_benchmark_all) {
480 int64_t t = getutime();
486 vsnprintf(buf, sizeof(buf), fmt, va);
488 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
494 static void reset_options(OptionsContext *o, int is_input)
496 const OptionDef *po = options;
497 OptionsContext bak= *o;
500 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
502 void *dst = (uint8_t*)o + po->u.off;
504 if (po->flags & OPT_SPEC) {
505 SpecifierOpt **so = dst;
506 int i, *count = (int*)(so + 1);
507 for (i = 0; i < *count; i++) {
508 av_freep(&(*so)[i].specifier);
509 if (po->flags & OPT_STRING)
510 av_freep(&(*so)[i].u.str);
514 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
519 for (i = 0; i < o->nb_stream_maps; i++)
520 av_freep(&o->stream_maps[i].linklabel);
521 av_freep(&o->stream_maps);
522 av_freep(&o->audio_channel_maps);
523 av_freep(&o->streamid_map);
525 memset(o, 0, sizeof(*o));
527 if(is_input) o->recording_time = bak.recording_time;
528 else o->recording_time = INT64_MAX;
529 o->mux_max_delay = 0.7;
530 o->limit_filesize = UINT64_MAX;
531 o->chapters_input_file = INT_MAX;
537 static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
539 FrameBuffer *buf = av_mallocz(sizeof(*buf));
541 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
542 int h_chroma_shift, v_chroma_shift;
543 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
544 int w = s->width, h = s->height;
547 return AVERROR(ENOMEM);
549 avcodec_align_dimensions(s, &w, &h);
551 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
556 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
557 s->pix_fmt, 32)) < 0) {
561 /* XXX this shouldn't be needed, but some tests break without this line
562 * those decoders are buggy and need to be fixed.
563 * the following tests fail:
564 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
566 memset(buf->base[0], 128, ret);
568 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
569 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
570 const int h_shift = i==0 ? 0 : h_chroma_shift;
571 const int v_shift = i==0 ? 0 : v_chroma_shift;
572 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1] || !buf->base[i])
573 buf->data[i] = buf->base[i];
575 buf->data[i] = buf->base[i] +
576 FFALIGN((buf->linesize[i]*edge >> v_shift) +
577 (pixel_size*edge >> h_shift), 32);
581 buf->pix_fmt = s->pix_fmt;
588 static void free_buffer_pool(InputStream *ist)
590 FrameBuffer *buf = ist->buffer_pool;
592 ist->buffer_pool = buf->next;
593 av_freep(&buf->base[0]);
595 buf = ist->buffer_pool;
599 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
601 av_assert0(buf->refcount > 0);
603 if (!buf->refcount) {
605 for(tmp= ist->buffer_pool; tmp; tmp= tmp->next)
606 av_assert1(tmp != buf);
607 buf->next = ist->buffer_pool;
608 ist->buffer_pool = buf;
612 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
614 InputStream *ist = s->opaque;
618 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0)
621 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
624 buf = ist->buffer_pool;
625 ist->buffer_pool = buf->next;
627 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
628 av_freep(&buf->base[0]);
630 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
633 av_assert0(!buf->refcount);
637 frame->type = FF_BUFFER_TYPE_USER;
638 frame->extended_data = frame->data;
639 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
640 frame->width = buf->w;
641 frame->height = buf->h;
642 frame->format = buf->pix_fmt;
643 frame->sample_aspect_ratio = s->sample_aspect_ratio;
645 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
646 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
647 frame->data[i] = buf->data[i];
648 frame->linesize[i] = buf->linesize[i];
654 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
656 InputStream *ist = s->opaque;
657 FrameBuffer *buf = frame->opaque;
660 if(frame->type!=FF_BUFFER_TYPE_USER)
661 return avcodec_default_release_buffer(s, frame);
663 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
664 frame->data[i] = NULL;
666 unref_buffer(ist, buf);
669 static void filter_release_buffer(AVFilterBuffer *fb)
671 FrameBuffer *buf = fb->priv;
673 unref_buffer(buf->ist, buf);
676 static enum PixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum PixelFormat target)
678 if (codec && codec->pix_fmts) {
679 const enum PixelFormat *p = codec->pix_fmts;
680 int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
681 enum PixelFormat best= PIX_FMT_NONE;
682 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
683 if (st->codec->codec_id == CODEC_ID_MJPEG) {
684 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
685 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
686 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
687 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
690 for (; *p != PIX_FMT_NONE; p++) {
691 best= avcodec_find_best_pix_fmt2(best, *p, target, has_alpha, NULL);
695 if (*p == PIX_FMT_NONE) {
696 if (target != PIX_FMT_NONE)
697 av_log(NULL, AV_LOG_WARNING,
698 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
699 av_pix_fmt_descriptors[target].name,
701 av_pix_fmt_descriptors[best].name);
708 static char *choose_pix_fmts(OutputStream *ost)
710 if (ost->keep_pix_fmt) {
712 avfilter_graph_set_auto_convert(ost->filter->graph->graph,
713 AVFILTER_AUTO_CONVERT_NONE);
714 if (ost->st->codec->pix_fmt == PIX_FMT_NONE)
716 return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
718 if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
719 return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
720 } else if (ost->enc && ost->enc->pix_fmts) {
721 const enum PixelFormat *p;
722 AVIOContext *s = NULL;
726 if (avio_open_dyn_buf(&s) < 0)
729 p = ost->enc->pix_fmts;
730 if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
731 if (ost->st->codec->codec_id == CODEC_ID_MJPEG) {
732 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
733 } else if (ost->st->codec->codec_id == CODEC_ID_LJPEG) {
734 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
735 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
739 for (; *p != PIX_FMT_NONE; p++) {
740 const char *name = av_get_pix_fmt_name(*p);
741 avio_printf(s, "%s:", name);
743 len = avio_close_dyn_buf(s, &ret);
751 * Define a function for building a string containing a list of
754 #define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
755 static char *choose_ ## var ## s(OutputStream *ost) \
757 if (ost->st->codec->var != none) { \
758 get_name(ost->st->codec->var); \
759 return av_strdup(name); \
760 } else if (ost->enc->supported_list) { \
762 AVIOContext *s = NULL; \
766 if (avio_open_dyn_buf(&s) < 0) \
769 for (p = ost->enc->supported_list; *p != none; p++) { \
771 avio_printf(s, "%s" separator, name); \
773 len = avio_close_dyn_buf(s, &ret); \
780 #define GET_PIX_FMT_NAME(pix_fmt)\
781 const char *name = av_get_pix_fmt_name(pix_fmt);
783 // DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
784 // GET_PIX_FMT_NAME, ":")
786 #define GET_SAMPLE_FMT_NAME(sample_fmt)\
787 const char *name = av_get_sample_fmt_name(sample_fmt)
789 DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
790 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
792 #define GET_SAMPLE_RATE_NAME(rate)\
794 snprintf(name, sizeof(name), "%d", rate);
796 DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
797 GET_SAMPLE_RATE_NAME, ",")
799 #define GET_CH_LAYOUT_NAME(ch_layout)\
801 snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
803 DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
804 GET_CH_LAYOUT_NAME, ",")
806 static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
808 FilterGraph *fg = av_mallocz(sizeof(*fg));
812 fg->index = nb_filtergraphs;
814 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
816 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
818 fg->outputs[0]->ost = ost;
819 fg->outputs[0]->graph = fg;
821 ost->filter = fg->outputs[0];
823 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
825 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
827 fg->inputs[0]->ist = ist;
828 fg->inputs[0]->graph = fg;
830 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
831 &ist->nb_filters, ist->nb_filters + 1);
832 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
834 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
835 &nb_filtergraphs, nb_filtergraphs + 1);
836 filtergraphs[nb_filtergraphs - 1] = fg;
841 static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
843 InputStream *ist = NULL;
844 enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
847 // TODO: support other filter types
848 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
849 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
858 int file_idx = strtol(in->name, &p, 0);
860 if (file_idx < 0 || file_idx >= nb_input_files) {
861 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
862 file_idx, fg->graph_desc);
865 s = input_files[file_idx]->ctx;
867 for (i = 0; i < s->nb_streams; i++) {
868 if (s->streams[i]->codec->codec_type != type)
870 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
876 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
877 "matches no streams.\n", p, fg->graph_desc);
880 ist = input_streams[input_files[file_idx]->ist_index + st->index];
882 /* find the first unused stream of corresponding type */
883 for (i = 0; i < nb_input_streams; i++) {
884 ist = input_streams[i];
885 if (ist->st->codec->codec_type == type && ist->discard)
888 if (i == nb_input_streams) {
889 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
890 "unlabeled input pad %d on filter %s", in->pad_idx,
891 in->filter_ctx->name);
896 ist->decoding_needed = 1;
897 ist->st->discard = AVDISCARD_NONE;
899 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
900 &fg->nb_inputs, fg->nb_inputs + 1);
901 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
903 fg->inputs[fg->nb_inputs - 1]->ist = ist;
904 fg->inputs[fg->nb_inputs - 1]->graph = fg;
906 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
907 &ist->nb_filters, ist->nb_filters + 1);
908 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
911 static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
914 OutputStream *ost = ofilter->ost;
915 AVCodecContext *codec = ost->st->codec;
916 AVFilterContext *last_filter = out->filter_ctx;
917 int pad_idx = out->pad_idx;
919 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
921 #if FF_API_OLD_VSINK_API
922 ret = avfilter_graph_create_filter(&ofilter->filter,
923 avfilter_get_by_name("buffersink"),
924 "out", NULL, NULL, fg->graph);
926 ret = avfilter_graph_create_filter(&ofilter->filter,
927 avfilter_get_by_name("buffersink"),
928 "out", NULL, buffersink_params, fg->graph);
930 av_freep(&buffersink_params);
935 if (codec->width || codec->height) {
937 AVFilterContext *filter;
939 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
942 (unsigned)ost->sws_flags);
943 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
944 NULL, args, NULL, fg->graph)) < 0)
946 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
949 last_filter = filter;
953 if ((pix_fmts = choose_pix_fmts(ost))) {
954 AVFilterContext *filter;
955 if ((ret = avfilter_graph_create_filter(&filter,
956 avfilter_get_by_name("format"),
957 "format", pix_fmts, NULL,
960 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
963 last_filter = filter;
968 if (ost->frame_rate.num && 0) {
969 AVFilterContext *fps;
972 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
973 ost->frame_rate.den);
974 ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
975 "fps", args, NULL, fg->graph);
979 ret = avfilter_link(last_filter, pad_idx, fps, 0);
986 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
992 static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
994 OutputStream *ost = ofilter->ost;
995 AVCodecContext *codec = ost->st->codec;
996 AVFilterContext *last_filter = out->filter_ctx;
997 int pad_idx = out->pad_idx;
998 char *sample_fmts, *sample_rates, *channel_layouts;
1001 ret = avfilter_graph_create_filter(&ofilter->filter,
1002 avfilter_get_by_name("abuffersink_old"),
1003 "out", NULL, NULL, fg->graph);
1007 #define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
1008 AVFilterContext *filt_ctx; \
1010 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
1011 "similarly to -af " filter_name "=%s.\n", arg); \
1013 ret = avfilter_graph_create_filter(&filt_ctx, \
1014 avfilter_get_by_name(filter_name), \
1015 filter_name, arg, NULL, fg->graph); \
1019 ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
1023 last_filter = filt_ctx; \
1026 if (ost->audio_channels_mapped) {
1029 av_bprint_init(&pan_buf, 256, 8192);
1030 av_bprintf(&pan_buf, "0x%"PRIx64,
1031 av_get_default_channel_layout(ost->audio_channels_mapped));
1032 for (i = 0; i < ost->audio_channels_mapped; i++)
1033 if (ost->audio_channels_map[i] != -1)
1034 av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
1036 AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
1037 av_bprint_finalize(&pan_buf, NULL);
1040 if (codec->channels && !codec->channel_layout)
1041 codec->channel_layout = av_get_default_channel_layout(codec->channels);
1043 sample_fmts = choose_sample_fmts(ost);
1044 sample_rates = choose_sample_rates(ost);
1045 channel_layouts = choose_channel_layouts(ost);
1046 if (sample_fmts || sample_rates || channel_layouts) {
1047 AVFilterContext *format;
1052 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
1055 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
1057 if (channel_layouts)
1058 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
1062 av_freep(&sample_fmts);
1063 av_freep(&sample_rates);
1064 av_freep(&channel_layouts);
1066 ret = avfilter_graph_create_filter(&format,
1067 avfilter_get_by_name("aformat"),
1068 "aformat", args, NULL, fg->graph);
1072 ret = avfilter_link(last_filter, pad_idx, format, 0);
1076 last_filter = format;
1080 if (audio_sync_method > 0 && 0) {
1081 char args[256] = {0};
1083 av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold);
1084 if (audio_sync_method > 1)
1085 av_strlcatf(args, sizeof(args), ":max_soft_comp=%d", -audio_sync_method);
1086 AUTO_INSERT_FILTER("-async", "aresample", args);
1089 if (audio_volume != 256) {
1092 snprintf(args, sizeof(args), "%f", audio_volume / 256.);
1093 AUTO_INSERT_FILTER("-vol", "volume", args);
1096 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
1102 #define DESCRIBE_FILTER_LINK(f, inout, in) \
1104 AVFilterContext *ctx = inout->filter_ctx; \
1105 AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
1106 int nb_pads = in ? ctx->input_count : ctx->output_count; \
1109 if (avio_open_dyn_buf(&pb) < 0) \
1112 avio_printf(pb, "%s", ctx->filter->name); \
1114 avio_printf(pb, ":%s", pads[inout->pad_idx].name); \
1116 avio_close_dyn_buf(pb, &f->name); \
1119 static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
1121 av_freep(&ofilter->name);
1122 DESCRIBE_FILTER_LINK(ofilter, out, 0);
1124 switch (out->filter_ctx->output_pads[out->pad_idx].type) {
1125 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
1126 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
1127 default: av_assert0(0);
1131 static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
1134 AVFilterContext *first_filter = in->filter_ctx;
1135 AVFilter *filter = avfilter_get_by_name("buffer");
1136 InputStream *ist = ifilter->ist;
1137 AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
1138 ist->framerate.num} :
1142 int pad_idx = in->pad_idx;
1145 sar = ist->st->sample_aspect_ratio.num ?
1146 ist->st->sample_aspect_ratio :
1147 ist->st->codec->sample_aspect_ratio;
1148 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d:flags=%d", ist->st->codec->width,
1149 ist->st->codec->height, ist->st->codec->pix_fmt,
1150 tb.num, tb.den, sar.num, sar.den,
1151 SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
1153 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, in->name,
1154 args, NULL, fg->graph)) < 0)
1157 if (ist->framerate.num) {
1158 AVFilterContext *setpts;
1160 if ((ret = avfilter_graph_create_filter(&setpts,
1161 avfilter_get_by_name("setpts"),
1162 "setpts", "N", NULL,
1166 if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
1169 first_filter = setpts;
1173 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
1178 static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
1181 AVFilterContext *first_filter = in->filter_ctx;
1182 AVFilter *filter = avfilter_get_by_name("abuffer");
1183 InputStream *ist = ifilter->ist;
1184 int pad_idx = in->pad_idx;
1188 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
1189 ":channel_layout=0x%"PRIx64,
1190 ist->st->time_base.num, ist->st->time_base.den,
1191 ist->st->codec->sample_rate,
1192 av_get_sample_fmt_name(ist->st->codec->sample_fmt),
1193 ist->st->codec->channel_layout);
1195 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
1196 in->name, args, NULL,
1200 #define AUTO_INSERT_FILTER_INPUT(opt_name, filter_name, arg) do { \
1201 AVFilterContext *filt_ctx; \
1203 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
1204 "similarly to -af " filter_name "=%s.\n", arg); \
1206 ret = avfilter_graph_create_filter(&filt_ctx, \
1207 avfilter_get_by_name(filter_name), \
1208 filter_name, arg, NULL, fg->graph); \
1212 ret = avfilter_link(filt_ctx, 0, first_filter, pad_idx); \
1216 first_filter = filt_ctx; \
1219 if (audio_sync_method > 0) {
1220 char args[256] = {0};
1222 av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold);
1223 if (audio_sync_method > 1)
1224 av_strlcatf(args, sizeof(args), ":max_soft_comp=%f", audio_sync_method/(double)ist->st->codec->sample_rate);
1225 AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
1228 // if (ost->audio_channels_mapped) {
1230 // AVBPrint pan_buf;
1231 // av_bprint_init(&pan_buf, 256, 8192);
1232 // av_bprintf(&pan_buf, "0x%"PRIx64,
1233 // av_get_default_channel_layout(ost->audio_channels_mapped));
1234 // for (i = 0; i < ost->audio_channels_mapped; i++)
1235 // if (ost->audio_channels_map[i] != -1)
1236 // av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
1237 // AUTO_INSERT_FILTER_INPUT("-map_channel", "pan", pan_buf.str);
1238 // av_bprint_finalize(&pan_buf, NULL);
1241 if (audio_volume != 256) {
1244 snprintf(args, sizeof(args), "%f", audio_volume / 256.);
1245 AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
1247 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
1253 static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
1256 av_freep(&ifilter->name);
1257 DESCRIBE_FILTER_LINK(ifilter, in, 1);
1259 switch (in->filter_ctx->input_pads[in->pad_idx].type) {
1260 case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
1261 case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
1262 default: av_assert0(0);
1266 static int configure_filtergraph(FilterGraph *fg)
1268 AVFilterInOut *inputs, *outputs, *cur;
1269 int ret, i, init = !fg->graph, simple = !fg->graph_desc;
1270 const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
1273 avfilter_graph_free(&fg->graph);
1274 if (!(fg->graph = avfilter_graph_alloc()))
1275 return AVERROR(ENOMEM);
1278 OutputStream *ost = fg->outputs[0]->ost;
1280 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
1281 fg->graph->scale_sws_opts = av_strdup(args);
1284 if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
1287 if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
1288 av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
1289 "exactly one input and output.\n", graph_desc);
1290 return AVERROR(EINVAL);
1293 for (cur = inputs; !simple && init && cur; cur = cur->next)
1294 init_input_filter(fg, cur);
1296 for (cur = inputs, i = 0; cur; cur = cur->next, i++)
1297 if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
1299 avfilter_inout_free(&inputs);
1301 if (!init || simple) {
1302 /* we already know the mappings between lavfi outputs and output streams,
1303 * so we can finish the setup */
1304 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
1305 configure_output_filter(fg, fg->outputs[i], cur);
1306 avfilter_inout_free(&outputs);
1308 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
1311 /* wait until output mappings are processed */
1312 for (cur = outputs; cur;) {
1313 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
1314 &fg->nb_outputs, fg->nb_outputs + 1);
1315 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
1317 fg->outputs[fg->nb_outputs - 1]->graph = fg;
1318 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
1320 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
1327 static int configure_complex_filters(void)
1331 for (i = 0; i < nb_filtergraphs; i++)
1332 if (!filtergraphs[i]->graph &&
1333 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1338 static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
1341 for (i = 0; i < fg->nb_inputs; i++)
1342 if (fg->inputs[i]->ist == ist)
1347 static void term_exit(void)
1349 av_log(NULL, AV_LOG_QUIET, "%s", "");
1352 tcsetattr (0, TCSANOW, &oldtty);
1356 static volatile int received_sigterm = 0;
1358 static void sigterm_handler(int sig)
1360 received_sigterm = sig;
1361 received_nb_signals++;
1363 if(received_nb_signals > 3)
1367 static void term_init(void)
1373 if (tcgetattr (0, &tty) == 0) {
1378 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1379 |INLCR|IGNCR|ICRNL|IXON);
1380 tty.c_oflag |= OPOST;
1381 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1382 tty.c_cflag &= ~(CSIZE|PARENB);
1385 tty.c_cc[VTIME] = 0;
1387 tcsetattr (0, TCSANOW, &tty);
1389 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
1392 avformat_network_deinit();
1394 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
1395 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1397 signal(SIGXCPU, sigterm_handler);
1401 /* read a key without blocking */
1402 static int read_key(void)
1414 n = select(1, &rfds, NULL, NULL, &tv);
1416 n = read(0, &ch, 1);
1423 # if HAVE_PEEKNAMEDPIPE
1425 static HANDLE input_handle;
1428 input_handle = GetStdHandle(STD_INPUT_HANDLE);
1429 is_pipe = !GetConsoleMode(input_handle, &dw);
1432 if (stdin->_cnt > 0) {
1437 /* When running under a GUI, you will end here. */
1438 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
1455 static int decode_interrupt_cb(void *ctx)
1457 return received_nb_signals > 1;
1460 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1462 void av_noreturn exit_program(int ret)
1466 for (i = 0; i < nb_filtergraphs; i++) {
1467 avfilter_graph_free(&filtergraphs[i]->graph);
1468 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
1469 av_freep(&filtergraphs[i]->inputs[j]->name);
1470 av_freep(&filtergraphs[i]->inputs[j]);
1472 av_freep(&filtergraphs[i]->inputs);
1473 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
1474 av_freep(&filtergraphs[i]->outputs[j]->name);
1475 av_freep(&filtergraphs[i]->outputs[j]);
1477 av_freep(&filtergraphs[i]->outputs);
1478 av_freep(&filtergraphs[i]);
1480 av_freep(&filtergraphs);
1483 for (i = 0; i < nb_output_files; i++) {
1484 AVFormatContext *s = output_files[i]->ctx;
1485 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1487 avformat_free_context(s);
1488 av_dict_free(&output_files[i]->opts);
1489 av_freep(&output_files[i]);
1491 for (i = 0; i < nb_output_streams; i++) {
1492 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1494 AVBitStreamFilterContext *next = bsfc->next;
1495 av_bitstream_filter_close(bsfc);
1498 output_streams[i]->bitstream_filters = NULL;
1500 av_freep(&output_streams[i]->filtered_frame);
1501 av_freep(&output_streams[i]->avfilter);
1502 av_freep(&output_streams[i]);
1504 for (i = 0; i < nb_input_files; i++) {
1505 avformat_close_input(&input_files[i]->ctx);
1506 av_freep(&input_files[i]);
1508 for (i = 0; i < nb_input_streams; i++) {
1509 av_freep(&input_streams[i]->decoded_frame);
1510 av_dict_free(&input_streams[i]->opts);
1511 free_buffer_pool(input_streams[i]);
1512 av_freep(&input_streams[i]->filters);
1513 av_freep(&input_streams[i]);
1517 fclose(vstats_file);
1518 av_free(vstats_filename);
1520 av_freep(&input_streams);
1521 av_freep(&input_files);
1522 av_freep(&output_streams);
1523 av_freep(&output_files);
1528 avformat_network_deinit();
1530 if (received_sigterm) {
1531 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1532 (int) received_sigterm);
1539 static void assert_avoptions(AVDictionary *m)
1541 AVDictionaryEntry *t;
1542 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1543 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
1548 static void assert_codec_experimental(AVCodecContext *c, int encoder)
1550 const char *codec_string = encoder ? "encoder" : "decoder";
1552 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1553 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1554 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
1555 "results.\nAdd '-strict experimental' if you want to use it.\n",
1556 codec_string, c->codec->name);
1557 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1558 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
1559 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
1560 codec_string, codec->name);
1565 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
1567 if (codec && codec->sample_fmts) {
1568 const enum AVSampleFormat *p = codec->sample_fmts;
1569 for (; *p != -1; p++) {
1570 if (*p == st->codec->sample_fmt)
1574 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
1575 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
1576 if(av_get_sample_fmt_name(st->codec->sample_fmt))
1577 av_log(NULL, AV_LOG_WARNING,
1578 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
1579 av_get_sample_fmt_name(st->codec->sample_fmt),
1581 av_get_sample_fmt_name(codec->sample_fmts[0]));
1582 st->codec->sample_fmt = codec->sample_fmts[0];
1587 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1589 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1590 AVCodecContext *avctx = ost->st->codec;
1593 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1594 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1595 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1597 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1598 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
1599 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
1600 av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
1601 pkt->pts = pkt->dts = max;
1606 * Audio encoders may split the packets -- #frames in != #packets out.
1607 * But there is no reordering, so we can limit the number of output packets
1608 * by simply dropping them here.
1609 * Counting encoded video frames needs to be done separately because of
1610 * reordering, see do_video_out()
1612 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1613 if (ost->frame_number >= ost->max_frames) {
1614 av_free_packet(pkt);
1617 ost->frame_number++;
1621 AVPacket new_pkt = *pkt;
1622 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1623 &new_pkt.data, &new_pkt.size,
1624 pkt->data, pkt->size,
1625 pkt->flags & AV_PKT_FLAG_KEY);
1627 av_free_packet(pkt);
1628 new_pkt.destruct = av_destruct_packet;
1630 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1631 bsfc->filter->name, pkt->stream_index,
1632 avctx->codec ? avctx->codec->name : "copy");
1642 pkt->stream_index = ost->index;
1643 ret = av_interleaved_write_frame(s, pkt);
1645 print_error("av_interleaved_write_frame()", ret);
1650 static int check_recording_time(OutputStream *ost)
1652 OutputFile *of = output_files[ost->file_index];
1654 if (of->recording_time != INT64_MAX &&
1655 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1656 AV_TIME_BASE_Q) >= 0) {
1657 ost->is_past_recording_time = 1;
1663 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1666 AVCodecContext *enc = ost->st->codec;
1670 av_init_packet(&pkt);
1674 if (!check_recording_time(ost))
1677 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
1678 frame->pts = ost->sync_opts;
1679 ost->sync_opts = frame->pts + frame->nb_samples;
1681 av_assert0(pkt.size || !pkt.data);
1682 update_benchmark(NULL);
1683 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1684 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
1687 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
1690 if (pkt.pts != AV_NOPTS_VALUE)
1691 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1692 if (pkt.dts != AV_NOPTS_VALUE)
1693 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1694 if (pkt.duration > 0)
1695 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1698 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1699 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1700 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1701 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1704 write_frame(s, &pkt, ost);
1706 audio_size += pkt.size;
1707 av_free_packet(&pkt);
1711 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1713 AVCodecContext *dec;
1714 AVPicture *picture2;
1715 AVPicture picture_tmp;
1718 dec = ist->st->codec;
1720 /* deinterlace : must be done before any resize */
1721 if (do_deinterlace) {
1724 /* create temporary picture */
1725 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1726 buf = av_malloc(size);
1730 picture2 = &picture_tmp;
1731 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1733 if (avpicture_deinterlace(picture2, picture,
1734 dec->pix_fmt, dec->width, dec->height) < 0) {
1735 /* if error, do not deinterlace */
1736 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1745 if (picture != picture2)
1746 *picture = *picture2;
1750 static void do_subtitle_out(AVFormatContext *s,
1756 static uint8_t *subtitle_out = NULL;
1757 int subtitle_out_max_size = 1024 * 1024;
1758 int subtitle_out_size, nb, i;
1759 AVCodecContext *enc;
1762 if (pts == AV_NOPTS_VALUE) {
1763 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1769 enc = ost->st->codec;
1771 if (!subtitle_out) {
1772 subtitle_out = av_malloc(subtitle_out_max_size);
1775 /* Note: DVB subtitle need one packet to draw them and one other
1776 packet to clear them */
1777 /* XXX: signal it in the codec context ? */
1778 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1783 for (i = 0; i < nb; i++) {
1784 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1786 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1787 // start_display_time is required to be 0
1788 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1789 sub->end_display_time -= sub->start_display_time;
1790 sub->start_display_time = 0;
1791 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1792 subtitle_out_max_size, sub);
1793 if (subtitle_out_size < 0) {
1794 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1798 av_init_packet(&pkt);
1799 pkt.data = subtitle_out;
1800 pkt.size = subtitle_out_size;
1801 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1802 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1803 /* XXX: the pts correction is handled here. Maybe handling
1804 it in the codec would be better */
1806 pkt.pts += 90 * sub->start_display_time;
1808 pkt.pts += 90 * sub->end_display_time;
1810 write_frame(s, &pkt, ost);
1814 static void do_video_out(AVFormatContext *s,
1816 AVFrame *in_picture,
1819 int ret, format_video_sync;
1821 AVCodecContext *enc = ost->st->codec;
1823 double sync_ipts, delta;
1824 double duration = 0;
1826 InputStream *ist = NULL;
1828 if (ost->source_index >= 0)
1829 ist = input_streams[ost->source_index];
1831 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
1832 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
1834 sync_ipts = in_picture->pts;
1835 delta = sync_ipts - ost->sync_opts + duration;
1837 /* by default, we output a single frame */
1840 format_video_sync = video_sync_method;
1841 if (format_video_sync == VSYNC_AUTO)
1842 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1844 switch (format_video_sync) {
1846 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1849 else if (delta > 1.1)
1850 nb_frames = lrintf(delta);
1855 else if (delta > 0.6)
1856 ost->sync_opts = lrint(sync_ipts);
1859 case VSYNC_PASSTHROUGH:
1860 ost->sync_opts = lrint(sync_ipts);
1866 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1867 if (nb_frames == 0) {
1869 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1871 } else if (nb_frames > 1) {
1872 nb_frames_dup += nb_frames - 1;
1873 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1878 av_init_packet(&pkt);
1882 in_picture->pts = ost->sync_opts;
1884 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1885 enc->codec->id == CODEC_ID_RAWVIDEO) {
1886 /* raw pictures are written as AVPicture structure to
1887 avoid any copies. We support temporarily the older
1889 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1890 enc->coded_frame->top_field_first = in_picture->top_field_first;
1891 pkt.data = (uint8_t *)in_picture;
1892 pkt.size = sizeof(AVPicture);
1893 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1894 pkt.flags |= AV_PKT_FLAG_KEY;
1896 write_frame(s, &pkt, ost);
1899 AVFrame big_picture;
1901 big_picture = *in_picture;
1902 /* better than nothing: use input picture interlaced
1904 big_picture.interlaced_frame = in_picture->interlaced_frame;
1905 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1906 if (ost->top_field_first == -1)
1907 big_picture.top_field_first = in_picture->top_field_first;
1909 big_picture.top_field_first = !!ost->top_field_first;
1912 /* handles same_quant here. This is not correct because it may
1913 not be a global option */
1914 big_picture.quality = quality;
1915 if (!enc->me_threshold)
1916 big_picture.pict_type = 0;
1917 if (ost->forced_kf_index < ost->forced_kf_count &&
1918 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1919 big_picture.pict_type = AV_PICTURE_TYPE_I;
1920 ost->forced_kf_index++;
1922 update_benchmark(NULL);
1923 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1924 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1926 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1931 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1932 pkt.pts = ost->sync_opts;
1934 if (pkt.pts != AV_NOPTS_VALUE)
1935 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1936 if (pkt.dts != AV_NOPTS_VALUE)
1937 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1940 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1941 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1942 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1943 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1946 write_frame(s, &pkt, ost);
1947 frame_size = pkt.size;
1948 video_size += pkt.size;
1949 av_free_packet(&pkt);
1951 /* if two pass, output log */
1952 if (ost->logfile && enc->stats_out) {
1953 fprintf(ost->logfile, "%s", enc->stats_out);
1959 * For video, number of frames in == number of packets out.
1960 * But there may be reordering, so we can't throw away frames on encoder
1961 * flush, we need to limit them here, before they go into encoder.
1963 ost->frame_number++;
1966 goto duplicate_frame;
1968 if (vstats_filename && frame_size)
1969 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
1972 static double psnr(double d)
1974 return -10.0 * log(d) / log(10.0);
1977 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1980 AVCodecContext *enc;
1982 double ti1, bitrate, avg_bitrate;
1984 /* this is executed just the first time do_video_stats is called */
1986 vstats_file = fopen(vstats_filename, "w");
1993 enc = ost->st->codec;
1994 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1995 frame_number = ost->frame_number;
1996 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1997 if (enc->flags&CODEC_FLAG_PSNR)
1998 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
2000 fprintf(vstats_file,"f_size= %6d ", frame_size);
2001 /* compute pts value */
2002 ti1 = ost->sync_opts * av_q2d(enc->time_base);
2006 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
2007 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
2008 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
2009 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
2010 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
2014 /* check for new output on any of the filtergraphs */
2015 static int poll_filters(void)
2017 AVFilterBufferRef *picref;
2018 AVFrame *filtered_frame = NULL;
2019 int i, ret, ret_all;
2020 unsigned nb_success, nb_eof;
2024 /* Reap all buffers present in the buffer sinks */
2025 for (i = 0; i < nb_output_streams; i++) {
2026 OutputStream *ost = output_streams[i];
2027 OutputFile *of = output_files[ost->file_index];
2030 if (!ost->filter || ost->is_past_recording_time)
2033 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
2034 return AVERROR(ENOMEM);
2036 avcodec_get_frame_defaults(ost->filtered_frame);
2037 filtered_frame = ost->filtered_frame;
2040 AVRational ist_pts_tb = ost->filter->filter->inputs[0]->time_base;
2041 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2042 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2043 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
2044 ost->st->codec->frame_size);
2047 ret = av_buffersink_read(ost->filter->filter, &picref);
2049 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
2050 AV_BUFFERSINK_FLAG_NO_REQUEST);
2053 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
2055 av_strerror(ret, buf, sizeof(buf));
2056 av_log(NULL, AV_LOG_WARNING,
2057 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
2061 frame_pts = AV_NOPTS_VALUE;
2062 if (picref->pts != AV_NOPTS_VALUE) {
2063 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
2064 ost->filter->filter->inputs[0]->time_base,
2065 ost->st->codec->time_base) -
2066 av_rescale_q(of->start_time,
2068 ost->st->codec->time_base);
2070 if (of->start_time && filtered_frame->pts < 0) {
2071 avfilter_unref_buffer(picref);
2075 //if (ost->source_index >= 0)
2076 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
2079 switch (ost->filter->filter->inputs[0]->type) {
2080 case AVMEDIA_TYPE_VIDEO:
2081 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, picref);
2082 filtered_frame->pts = frame_pts;
2083 if (!ost->frame_aspect_ratio)
2084 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
2086 do_video_out(of->ctx, ost, filtered_frame,
2087 same_quant ? ost->last_quality :
2088 ost->st->codec->global_quality);
2090 case AVMEDIA_TYPE_AUDIO:
2091 avfilter_copy_buf_props(filtered_frame, picref);
2092 filtered_frame->pts = frame_pts;
2093 do_audio_out(of->ctx, ost, filtered_frame);
2096 // TODO support subtitle filters
2100 avfilter_unref_buffer(picref);
2103 /* Request frames through all the graphs */
2104 ret_all = nb_success = nb_eof = 0;
2105 for (i = 0; i < nb_filtergraphs; i++) {
2106 ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
2109 } else if (ret == AVERROR_EOF) {
2111 } else if (ret != AVERROR(EAGAIN)) {
2113 av_strerror(ret, buf, sizeof(buf));
2114 av_log(NULL, AV_LOG_WARNING,
2115 "Error in request_frame(): %s\n", buf);
2121 /* Try again if anything succeeded */
2123 return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
2126 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
2130 AVFormatContext *oc;
2132 AVCodecContext *enc;
2133 int frame_number, vid, i;
2135 int64_t pts = INT64_MAX;
2136 static int64_t last_time = -1;
2137 static int qp_histogram[52];
2138 int hours, mins, secs, us;
2140 if (!print_stats && !is_last_report)
2143 if (!is_last_report) {
2144 if (last_time == -1) {
2145 last_time = cur_time;
2148 if ((cur_time - last_time) < 500000)
2150 last_time = cur_time;
2154 oc = output_files[0]->ctx;
2156 total_size = avio_size(oc->pb);
2157 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
2158 total_size = avio_tell(oc->pb);
2165 for (i = 0; i < nb_output_streams; i++) {
2167 ost = output_streams[i];
2168 enc = ost->st->codec;
2169 if (!ost->stream_copy && enc->coded_frame)
2170 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
2171 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2172 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
2174 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2175 float fps, t = (cur_time-timer_start) / 1000000.0;
2177 frame_number = ost->frame_number;
2178 fps = t > 1 ? frame_number / t : 0;
2179 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
2180 frame_number, fps < 9.95, fps, q);
2182 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
2186 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
2188 for (j = 0; j < 32; j++)
2189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
2191 if (enc->flags&CODEC_FLAG_PSNR) {
2193 double error, error_sum = 0;
2194 double scale, scale_sum = 0;
2195 char type[3] = { 'Y','U','V' };
2196 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
2197 for (j = 0; j < 3; j++) {
2198 if (is_last_report) {
2199 error = enc->error[j];
2200 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
2202 error = enc->coded_frame->error[j];
2203 scale = enc->width * enc->height * 255.0 * 255.0;
2209 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
2211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
2215 /* compute min output value */
2216 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
2217 ost->st->time_base, AV_TIME_BASE_Q));
2220 secs = pts / AV_TIME_BASE;
2221 us = pts % AV_TIME_BASE;
2227 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
2229 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2230 "size=%8.0fkB time=", total_size / 1024.0);
2231 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2232 "%02d:%02d:%02d.%02d ", hours, mins, secs,
2233 (100 * us) / AV_TIME_BASE);
2234 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2235 "bitrate=%6.1fkbits/s", bitrate);
2237 if (nb_frames_dup || nb_frames_drop)
2238 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
2239 nb_frames_dup, nb_frames_drop);
2241 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
2245 if (is_last_report) {
2246 int64_t raw= audio_size + video_size + extra_size;
2247 av_log(NULL, AV_LOG_INFO, "\n");
2248 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
2249 video_size / 1024.0,
2250 audio_size / 1024.0,
2251 extra_size / 1024.0,
2252 100.0 * (total_size - raw) / raw
2254 if(video_size + audio_size + extra_size == 0){
2255 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
2260 static void flush_encoders(void)
2264 for (i = 0; i < nb_output_streams; i++) {
2265 OutputStream *ost = output_streams[i];
2266 AVCodecContext *enc = ost->st->codec;
2267 AVFormatContext *os = output_files[ost->file_index]->ctx;
2268 int stop_encoding = 0;
2270 if (!ost->encoding_needed)
2273 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
2275 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
2279 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
2283 switch (ost->st->codec->codec_type) {
2284 case AVMEDIA_TYPE_AUDIO:
2285 encode = avcodec_encode_audio2;
2289 case AVMEDIA_TYPE_VIDEO:
2290 encode = avcodec_encode_video2;
2301 av_init_packet(&pkt);
2305 update_benchmark(NULL);
2306 ret = encode(enc, &pkt, NULL, &got_packet);
2307 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
2309 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
2313 if (ost->logfile && enc->stats_out) {
2314 fprintf(ost->logfile, "%s", enc->stats_out);
2320 if (pkt.pts != AV_NOPTS_VALUE)
2321 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
2322 if (pkt.dts != AV_NOPTS_VALUE)
2323 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
2324 write_frame(os, &pkt, ost);
2334 * Check whether a packet from ist should be written into ost at this time
2336 static int check_output_constraints(InputStream *ist, OutputStream *ost)
2338 OutputFile *of = output_files[ost->file_index];
2339 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
2341 if (ost->source_index != ist_index)
2344 if (of->start_time && ist->pts < of->start_time)
2347 if (of->recording_time != INT64_MAX &&
2348 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
2349 (AVRational){ 1, 1000000 }) >= 0) {
2350 ost->is_past_recording_time = 1;
2357 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2359 OutputFile *of = output_files[ost->file_index];
2360 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
2364 av_init_packet(&opkt);
2366 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2367 !ost->copy_initial_nonkeyframes)
2370 /* force the input stream PTS */
2371 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2372 audio_size += pkt->size;
2373 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2374 video_size += pkt->size;
2378 if (pkt->pts != AV_NOPTS_VALUE)
2379 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
2381 opkt.pts = AV_NOPTS_VALUE;
2383 if (pkt->dts == AV_NOPTS_VALUE)
2384 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
2386 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
2387 opkt.dts -= ost_tb_start_time;
2389 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
2390 opkt.flags = pkt->flags;
2392 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2393 if ( ost->st->codec->codec_id != CODEC_ID_H264
2394 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
2395 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
2396 && ost->st->codec->codec_id != CODEC_ID_VC1
2398 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
2399 opkt.destruct = av_destruct_packet;
2401 opkt.data = pkt->data;
2402 opkt.size = pkt->size;
2404 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
2405 /* store AVPicture in AVPacket, as expected by the output format */
2406 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
2407 opkt.data = (uint8_t *)&pict;
2408 opkt.size = sizeof(AVPicture);
2409 opkt.flags |= AV_PKT_FLAG_KEY;
2412 write_frame(of->ctx, &opkt, ost);
2413 ost->st->codec->frame_number++;
2414 av_free_packet(&opkt);
2417 static void rate_emu_sleep(InputStream *ist)
2419 if (input_files[ist->file_index]->rate_emu) {
2420 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2421 int64_t now = av_gettime() - ist->start;
2427 static int guess_input_channel_layout(InputStream *ist)
2429 AVCodecContext *dec = ist->st->codec;
2431 if (!dec->channel_layout) {
2432 char layout_name[256];
2434 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2435 if (!dec->channel_layout)
2437 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2438 dec->channels, dec->channel_layout);
2439 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2440 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2445 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2447 AVFrame *decoded_frame;
2448 AVCodecContext *avctx = ist->st->codec;
2449 int i, ret, resample_changed;
2451 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2452 return AVERROR(ENOMEM);
2454 avcodec_get_frame_defaults(ist->decoded_frame);
2455 decoded_frame = ist->decoded_frame;
2457 update_benchmark(NULL);
2458 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2459 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2463 if (avctx->sample_rate <= 0) {
2464 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2465 return AVERROR_INVALIDDATA;
2469 /* no audio frame */
2471 for (i = 0; i < ist->nb_filters; i++)
2472 av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
2473 AV_BUFFERSRC_FLAG_NO_COPY);
2477 /* if the decoder provides a pts, use it instead of the last packet pts.
2478 the decoder could be delaying output by a packet or more. */
2479 if (decoded_frame->pts != AV_NOPTS_VALUE)
2480 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2481 else if (pkt->pts != AV_NOPTS_VALUE) {
2482 decoded_frame->pts = pkt->pts;
2483 pkt->pts = AV_NOPTS_VALUE;
2485 decoded_frame->pts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2489 /* increment next_dts to use for the case where the input stream does not
2490 have timestamps or there are multiple frames in the packet */
2491 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2493 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2497 rate_emu_sleep(ist);
2499 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
2500 ist->resample_channels != avctx->channels ||
2501 ist->resample_channel_layout != decoded_frame->channel_layout ||
2502 ist->resample_sample_rate != decoded_frame->sample_rate;
2503 if (resample_changed) {
2504 char layout1[64], layout2[64];
2506 if (!guess_input_channel_layout(ist)) {
2507 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2508 "layout for Input Stream #%d.%d\n", ist->file_index,
2512 decoded_frame->channel_layout = avctx->channel_layout;
2514 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2515 ist->resample_channel_layout);
2516 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2517 decoded_frame->channel_layout);
2519 av_log(NULL, AV_LOG_INFO,
2520 "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",
2521 ist->file_index, ist->st->index,
2522 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2523 ist->resample_channels, layout1,
2524 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2525 avctx->channels, layout2);
2527 ist->resample_sample_fmt = decoded_frame->format;
2528 ist->resample_sample_rate = decoded_frame->sample_rate;
2529 ist->resample_channel_layout = decoded_frame->channel_layout;
2530 ist->resample_channels = avctx->channels;
2532 for (i = 0; i < nb_filtergraphs; i++)
2533 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2534 configure_filtergraph(filtergraphs[i]) < 0) {
2535 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2540 for (i = 0; i < ist->nb_filters; i++)
2541 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
2546 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
2548 AVFrame *decoded_frame;
2549 void *buffer_to_free = NULL;
2550 int i, ret = 0, resample_changed;
2551 int64_t best_effort_timestamp;
2552 AVRational *frame_sample_aspect;
2555 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2556 return AVERROR(ENOMEM);
2558 avcodec_get_frame_defaults(ist->decoded_frame);
2559 decoded_frame = ist->decoded_frame;
2560 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2562 update_benchmark(NULL);
2563 ret = avcodec_decode_video2(ist->st->codec,
2564 decoded_frame, got_output, pkt);
2565 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2569 quality = same_quant ? decoded_frame->quality : 0;
2571 /* no picture yet */
2573 for (i = 0; i < ist->nb_filters; i++)
2574 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
2578 if(ist->top_field_first>=0)
2579 decoded_frame->top_field_first = ist->top_field_first;
2581 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2582 if(best_effort_timestamp != AV_NOPTS_VALUE)
2583 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2586 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2588 rate_emu_sleep(ist);
2590 if (ist->st->sample_aspect_ratio.num)
2591 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2593 resample_changed = ist->resample_width != decoded_frame->width ||
2594 ist->resample_height != decoded_frame->height ||
2595 ist->resample_pix_fmt != decoded_frame->format;
2596 if (resample_changed) {
2597 av_log(NULL, AV_LOG_INFO,
2598 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2599 ist->file_index, ist->st->index,
2600 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2601 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2603 ist->resample_width = decoded_frame->width;
2604 ist->resample_height = decoded_frame->height;
2605 ist->resample_pix_fmt = decoded_frame->format;
2607 for (i = 0; i < nb_filtergraphs; i++)
2608 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2609 configure_filtergraph(filtergraphs[i]) < 0) {
2610 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2615 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2616 for (i = 0; i < ist->nb_filters; i++) {
2617 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
2618 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
2619 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
2620 // XXX what an ugly hack
2621 if (ist->filters[i]->graph->nb_outputs == 1)
2622 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2624 if (!frame_sample_aspect->num)
2625 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2626 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
2627 FrameBuffer *buf = decoded_frame->opaque;
2628 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2629 decoded_frame->data, decoded_frame->linesize,
2630 AV_PERM_READ | AV_PERM_PRESERVE,
2631 ist->st->codec->width, ist->st->codec->height,
2632 ist->st->codec->pix_fmt);
2634 avfilter_copy_frame_props(fb, decoded_frame);
2635 fb->buf->priv = buf;
2636 fb->buf->free = filter_release_buffer;
2638 av_assert0(buf->refcount>0);
2640 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
2641 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
2642 AV_BUFFERSRC_FLAG_NO_COPY);
2644 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
2645 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2651 av_free(buffer_to_free);
2655 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2657 AVSubtitle subtitle;
2658 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2659 &subtitle, got_output, pkt);
2665 rate_emu_sleep(ist);
2667 for (i = 0; i < nb_output_streams; i++) {
2668 OutputStream *ost = output_streams[i];
2670 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2673 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
2676 avsubtitle_free(&subtitle);
2680 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2681 static int output_packet(InputStream *ist, const AVPacket *pkt)
2687 if (!ist->saw_first_ts) {
2688 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2690 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2691 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2692 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2694 ist->saw_first_ts = 1;
2697 if (ist->next_dts == AV_NOPTS_VALUE)
2698 ist->next_dts = ist->dts;
2699 if (ist->next_pts == AV_NOPTS_VALUE)
2700 ist->next_pts = ist->pts;
2704 av_init_packet(&avpkt);
2712 if (pkt->dts != AV_NOPTS_VALUE) {
2713 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2714 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2715 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2718 // while we have more to decode or while the decoder did output something on EOF
2719 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2723 ist->pts = ist->next_pts;
2724 ist->dts = ist->next_dts;
2726 if (avpkt.size && avpkt.size != pkt->size) {
2727 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2728 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2729 ist->showed_multi_packet_warning = 1;
2732 switch (ist->st->codec->codec_type) {
2733 case AVMEDIA_TYPE_AUDIO:
2734 ret = decode_audio (ist, &avpkt, &got_output);
2736 case AVMEDIA_TYPE_VIDEO:
2737 ret = decode_video (ist, &avpkt, &got_output);
2738 if (avpkt.duration) {
2739 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2740 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2741 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2742 duration = ((int64_t)AV_TIME_BASE *
2743 ist->st->codec->time_base.num * ticks) /
2744 ist->st->codec->time_base.den;
2748 if(ist->dts != AV_NOPTS_VALUE && duration) {
2749 ist->next_dts += duration;
2751 ist->next_dts = AV_NOPTS_VALUE;
2754 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2756 case AVMEDIA_TYPE_SUBTITLE:
2757 ret = transcode_subtitles(ist, &avpkt, &got_output);
2767 avpkt.pts= AV_NOPTS_VALUE;
2769 // touch data and size only if not EOF
2771 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2781 /* handle stream copy */
2782 if (!ist->decoding_needed) {
2783 rate_emu_sleep(ist);
2784 ist->dts = ist->next_dts;
2785 switch (ist->st->codec->codec_type) {
2786 case AVMEDIA_TYPE_AUDIO:
2787 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2788 ist->st->codec->sample_rate;
2790 case AVMEDIA_TYPE_VIDEO:
2791 if (pkt->duration) {
2792 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2793 } else if(ist->st->codec->time_base.num != 0) {
2794 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2795 ist->next_dts += ((int64_t)AV_TIME_BASE *
2796 ist->st->codec->time_base.num * ticks) /
2797 ist->st->codec->time_base.den;
2801 ist->pts = ist->dts;
2802 ist->next_pts = ist->next_dts;
2804 for (i = 0; pkt && i < nb_output_streams; i++) {
2805 OutputStream *ost = output_streams[i];
2807 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2810 do_streamcopy(ist, ost, pkt);
2816 static void print_sdp(void)
2820 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2824 for (i = 0; i < nb_output_files; i++)
2825 avc[i] = output_files[i]->ctx;
2827 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2828 printf("SDP:\n%s\n", sdp);
2833 static int init_input_stream(int ist_index, char *error, int error_len)
2835 InputStream *ist = input_streams[ist_index];
2837 if (ist->decoding_needed) {
2838 AVCodec *codec = ist->dec;
2840 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2841 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2842 return AVERROR(EINVAL);
2845 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
2846 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2847 ist->st->codec->get_buffer = codec_get_buffer;
2848 ist->st->codec->release_buffer = codec_release_buffer;
2849 ist->st->codec->opaque = ist;
2852 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2853 av_dict_set(&ist->opts, "threads", "auto", 0);
2854 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2855 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2856 ist->file_index, ist->st->index);
2857 return AVERROR(EINVAL);
2859 assert_codec_experimental(ist->st->codec, 0);
2860 assert_avoptions(ist->opts);
2863 ist->next_pts = AV_NOPTS_VALUE;
2864 ist->next_dts = AV_NOPTS_VALUE;
2870 static InputStream *get_input_stream(OutputStream *ost)
2872 if (ost->source_index >= 0)
2873 return input_streams[ost->source_index];
2876 FilterGraph *fg = ost->filter->graph;
2879 for (i = 0; i < fg->nb_inputs; i++)
2880 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2881 return fg->inputs[i]->ist;
2887 static int transcode_init(void)
2889 int ret = 0, i, j, k;
2890 AVFormatContext *oc;
2891 AVCodecContext *codec, *icodec;
2897 /* init framerate emulation */
2898 for (i = 0; i < nb_input_files; i++) {
2899 InputFile *ifile = input_files[i];
2900 if (ifile->rate_emu)
2901 for (j = 0; j < ifile->nb_streams; j++)
2902 input_streams[j + ifile->ist_index]->start = av_gettime();
2905 /* output stream init */
2906 for (i = 0; i < nb_output_files; i++) {
2907 oc = output_files[i]->ctx;
2908 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2909 av_dump_format(oc, i, oc->filename, 1);
2910 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2911 return AVERROR(EINVAL);
2915 /* init complex filtergraphs */
2916 for (i = 0; i < nb_filtergraphs; i++)
2917 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2920 /* for each output stream, we compute the right encoding parameters */
2921 for (i = 0; i < nb_output_streams; i++) {
2922 ost = output_streams[i];
2923 oc = output_files[ost->file_index]->ctx;
2924 ist = get_input_stream(ost);
2926 if (ost->attachment_filename)
2929 codec = ost->st->codec;
2932 icodec = ist->st->codec;
2934 ost->st->disposition = ist->st->disposition;
2935 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2936 codec->chroma_sample_location = icodec->chroma_sample_location;
2939 if (ost->stream_copy) {
2940 uint64_t extra_size;
2942 av_assert0(ist && !ost->filter);
2944 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2946 if (extra_size > INT_MAX) {
2947 return AVERROR(EINVAL);
2950 /* if stream_copy is selected, no need to decode or encode */
2951 codec->codec_id = icodec->codec_id;
2952 codec->codec_type = icodec->codec_type;
2954 if (!codec->codec_tag) {
2955 if (!oc->oformat->codec_tag ||
2956 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2957 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2958 codec->codec_tag = icodec->codec_tag;
2961 codec->bit_rate = icodec->bit_rate;
2962 codec->rc_max_rate = icodec->rc_max_rate;
2963 codec->rc_buffer_size = icodec->rc_buffer_size;
2964 codec->field_order = icodec->field_order;
2965 codec->extradata = av_mallocz(extra_size);
2966 if (!codec->extradata) {
2967 return AVERROR(ENOMEM);
2969 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2970 codec->extradata_size= icodec->extradata_size;
2971 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2973 codec->time_base = ist->st->time_base;
2975 * Avi is a special case here because it supports variable fps but
2976 * having the fps and timebase differe significantly adds quite some
2979 if(!strcmp(oc->oformat->name, "avi")) {
2980 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2981 && av_q2d(ist->st->time_base) < 1.0/500
2983 codec->time_base = icodec->time_base;
2984 codec->time_base.num *= icodec->ticks_per_frame;
2985 codec->time_base.den *= 2;
2986 codec->ticks_per_frame = 2;
2988 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2989 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2990 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2992 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2993 && av_q2d(ist->st->time_base) < 1.0/500
2995 codec->time_base = icodec->time_base;
2996 codec->time_base.num *= icodec->ticks_per_frame;
2999 av_reduce(&codec->time_base.num, &codec->time_base.den,
3000 codec->time_base.num, codec->time_base.den, INT_MAX);
3002 switch (codec->codec_type) {
3003 case AVMEDIA_TYPE_AUDIO:
3004 if (audio_volume != 256) {
3005 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
3008 codec->channel_layout = icodec->channel_layout;
3009 codec->sample_rate = icodec->sample_rate;
3010 codec->channels = icodec->channels;
3011 codec->frame_size = icodec->frame_size;
3012 codec->audio_service_type = icodec->audio_service_type;
3013 codec->block_align = icodec->block_align;
3014 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
3015 codec->block_align= 0;
3016 if(codec->codec_id == CODEC_ID_AC3)
3017 codec->block_align= 0;
3019 case AVMEDIA_TYPE_VIDEO:
3020 codec->pix_fmt = icodec->pix_fmt;
3021 codec->width = icodec->width;
3022 codec->height = icodec->height;
3023 codec->has_b_frames = icodec->has_b_frames;
3024 if (!codec->sample_aspect_ratio.num) {
3025 codec->sample_aspect_ratio =
3026 ost->st->sample_aspect_ratio =
3027 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
3028 ist->st->codec->sample_aspect_ratio.num ?
3029 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
3031 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3033 case AVMEDIA_TYPE_SUBTITLE:
3034 codec->width = icodec->width;
3035 codec->height = icodec->height;
3037 case AVMEDIA_TYPE_DATA:
3038 case AVMEDIA_TYPE_ATTACHMENT:
3045 ost->enc = avcodec_find_encoder(codec->codec_id);
3047 /* should only happen when a default codec is not present. */
3048 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
3049 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
3050 ret = AVERROR(EINVAL);
3055 ist->decoding_needed = 1;
3056 ost->encoding_needed = 1;
3058 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3059 if (ist && !ost->frame_rate.num)
3060 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
3061 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
3062 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3063 ost->frame_rate = ost->enc->supported_framerates[idx];
3068 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3069 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3071 fg = init_simple_filtergraph(ist, ost);
3072 if (configure_filtergraph(fg)) {
3073 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
3078 switch (codec->codec_type) {
3079 case AVMEDIA_TYPE_AUDIO:
3080 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
3081 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
3082 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
3083 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
3084 codec->time_base = (AVRational){ 1, codec->sample_rate };
3086 case AVMEDIA_TYPE_VIDEO:
3087 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
3088 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3089 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3090 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3091 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3093 for (j = 0; j < ost->forced_kf_count; j++)
3094 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3098 codec->width = ost->filter->filter->inputs[0]->w;
3099 codec->height = ost->filter->filter->inputs[0]->h;
3100 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3101 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
3102 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
3103 ost->filter->filter->inputs[0]->sample_aspect_ratio;
3104 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
3106 if (codec->width != icodec->width ||
3107 codec->height != icodec->height ||
3108 codec->pix_fmt != icodec->pix_fmt) {
3109 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
3113 case AVMEDIA_TYPE_SUBTITLE:
3114 codec->time_base = (AVRational){1, 1000};
3121 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
3122 char logfilename[1024];
3125 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
3126 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
3128 if (!strcmp(ost->enc->name, "libx264")) {
3129 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
3131 if (codec->flags & CODEC_FLAG_PASS2) {
3133 size_t logbuffer_size;
3134 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3135 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3139 codec->stats_in = logbuffer;
3141 if (codec->flags & CODEC_FLAG_PASS1) {
3142 f = fopen(logfilename, "wb");
3144 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3145 logfilename, strerror(errno));
3155 /* open each encoder */
3156 for (i = 0; i < nb_output_streams; i++) {
3157 ost = output_streams[i];
3158 if (ost->encoding_needed) {
3159 AVCodec *codec = ost->enc;
3160 AVCodecContext *dec = NULL;
3162 if ((ist = get_input_stream(ost)))
3163 dec = ist->st->codec;
3164 if (dec && dec->subtitle_header) {
3165 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
3166 if (!ost->st->codec->subtitle_header) {
3167 ret = AVERROR(ENOMEM);
3170 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3171 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
3173 if (!av_dict_get(ost->opts, "threads", NULL, 0))
3174 av_dict_set(&ost->opts, "threads", "auto", 0);
3175 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
3176 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3177 ost->file_index, ost->index);
3178 ret = AVERROR(EINVAL);
3181 assert_codec_experimental(ost->st->codec, 1);
3182 assert_avoptions(ost->opts);
3183 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
3184 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3185 " It takes bits/s as argument, not kbits/s\n");
3186 extra_size += ost->st->codec->extradata_size;
3188 if (ost->st->codec->me_threshold)
3189 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
3193 /* init input streams */
3194 for (i = 0; i < nb_input_streams; i++)
3195 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
3198 /* discard unused programs */
3199 for (i = 0; i < nb_input_files; i++) {
3200 InputFile *ifile = input_files[i];
3201 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3202 AVProgram *p = ifile->ctx->programs[j];
3203 int discard = AVDISCARD_ALL;
3205 for (k = 0; k < p->nb_stream_indexes; k++)
3206 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3207 discard = AVDISCARD_DEFAULT;
3210 p->discard = discard;
3214 /* open files and write file headers */
3215 for (i = 0; i < nb_output_files; i++) {
3216 oc = output_files[i]->ctx;
3217 oc->interrupt_callback = int_cb;
3218 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3220 const char *errbuf_ptr = errbuf;
3221 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
3222 errbuf_ptr = strerror(AVUNERROR(ret));
3223 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
3224 ret = AVERROR(EINVAL);
3227 // assert_avoptions(output_files[i]->opts);
3228 if (strcmp(oc->oformat->name, "rtp")) {
3234 /* dump the file output parameters - cannot be done before in case
3236 for (i = 0; i < nb_output_files; i++) {
3237 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3240 /* dump the stream mapping */
3241 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3242 for (i = 0; i < nb_input_streams; i++) {
3243 ist = input_streams[i];
3245 for (j = 0; j < ist->nb_filters; j++) {
3246 if (ist->filters[j]->graph->graph_desc) {
3247 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3248 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3249 ist->filters[j]->name);
3250 if (nb_filtergraphs > 1)
3251 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3252 av_log(NULL, AV_LOG_INFO, "\n");
3257 for (i = 0; i < nb_output_streams; i++) {
3258 ost = output_streams[i];
3260 if (ost->attachment_filename) {
3261 /* an attached file */
3262 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3263 ost->attachment_filename, ost->file_index, ost->index);
3267 if (ost->filter && ost->filter->graph->graph_desc) {
3268 /* output from a complex graph */
3269 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3270 if (nb_filtergraphs > 1)
3271 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3273 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3274 ost->index, ost->enc ? ost->enc->name : "?");
3278 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3279 input_streams[ost->source_index]->file_index,
3280 input_streams[ost->source_index]->st->index,
3283 if (ost->sync_ist != input_streams[ost->source_index])
3284 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3285 ost->sync_ist->file_index,
3286 ost->sync_ist->st->index);
3287 if (ost->stream_copy)
3288 av_log(NULL, AV_LOG_INFO, " (copy)");
3290 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
3291 input_streams[ost->source_index]->dec->name : "?",
3292 ost->enc ? ost->enc->name : "?");
3293 av_log(NULL, AV_LOG_INFO, "\n");
3297 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3309 * The following code is the main loop of the file converter
3311 static int transcode(void)
3314 AVFormatContext *is, *os;
3318 int no_packet_count = 0;
3319 int64_t timer_start;
3322 if (!(no_packet = av_mallocz(nb_input_files)))
3325 ret = transcode_init();
3330 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3333 timer_start = av_gettime();
3335 for (; received_sigterm == 0;) {
3336 int file_index, ist_index, past_recording_time = 1;
3339 int64_t cur_time= av_gettime();
3341 ipts_min = INT64_MAX;
3342 /* if 'q' pressed, exits */
3344 static int64_t last_time;
3345 if (received_nb_signals)
3347 /* read_key() returns 0 on EOF */
3348 if(cur_time - last_time >= 100000 && !run_as_daemon){
3350 last_time = cur_time;
3355 if (key == '+') av_log_set_level(av_log_get_level()+10);
3356 if (key == '-') av_log_set_level(av_log_get_level()-10);
3357 if (key == 's') qp_hist ^= 1;
3360 do_hex_dump = do_pkt_dump = 0;
3361 } else if(do_pkt_dump){
3365 av_log_set_level(AV_LOG_DEBUG);
3367 if (key == 'c' || key == 'C'){
3368 char buf[4096], target[64], command[256], arg[256] = {0};
3371 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
3373 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3378 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3379 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3380 target, time, command, arg);
3381 for (i = 0; i < nb_filtergraphs; i++) {
3382 FilterGraph *fg = filtergraphs[i];
3385 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3386 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3387 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
3389 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3394 av_log(NULL, AV_LOG_ERROR,
3395 "Parse error, at least 3 arguments were expected, "
3396 "only %d given in string '%s'\n", n, buf);
3399 if (key == 'd' || key == 'D'){
3402 debug = input_streams[0]->st->codec->debug<<1;
3403 if(!debug) debug = 1;
3404 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3407 if(scanf("%d", &debug)!=1)
3408 fprintf(stderr,"error parsing debug value\n");
3409 for(i=0;i<nb_input_streams;i++) {
3410 input_streams[i]->st->codec->debug = debug;
3412 for(i=0;i<nb_output_streams;i++) {
3413 ost = output_streams[i];
3414 ost->st->codec->debug = debug;
3416 if(debug) av_log_set_level(AV_LOG_DEBUG);
3417 fprintf(stderr,"debug=%d\n", debug);
3420 fprintf(stderr, "key function\n"
3421 "? show this help\n"
3422 "+ increase verbosity\n"
3423 "- decrease verbosity\n"
3424 "c Send command to filtergraph\n"
3425 "D cycle through available debug modes\n"
3426 "h dump packets/hex press to cycle through the 3 states\n"
3428 "s Show QP histogram\n"
3433 /* check if there's any stream where output is still needed */
3434 for (i = 0; i < nb_output_streams; i++) {
3436 ost = output_streams[i];
3437 of = output_files[ost->file_index];
3438 os = output_files[ost->file_index]->ctx;
3439 if (ost->is_past_recording_time ||
3440 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3442 if (ost->frame_number >= ost->max_frames) {
3444 for (j = 0; j < of->ctx->nb_streams; j++)
3445 output_streams[of->ost_index + j]->is_past_recording_time = 1;
3448 past_recording_time = 0;
3450 if (past_recording_time)
3453 /* select the stream that we must read now by looking at the
3454 smallest output pts */
3456 for (i = 0; i < nb_input_streams; i++) {
3458 ist = input_streams[i];
3460 if (ist->discard || no_packet[ist->file_index])
3462 if (!input_files[ist->file_index]->eof_reached) {
3463 if (ipts < ipts_min) {
3465 file_index = ist->file_index;
3469 /* if none, if is finished */
3470 if (file_index < 0) {
3471 if (no_packet_count) {
3472 no_packet_count = 0;
3473 memset(no_packet, 0, nb_input_files);
3480 /* read a frame from it and output it in the fifo */
3481 is = input_files[file_index]->ctx;
3482 ret = av_read_frame(is, &pkt);
3483 if (ret == AVERROR(EAGAIN)) {
3484 no_packet[file_index] = 1;
3489 input_files[file_index]->eof_reached = 1;
3491 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
3492 ist = input_streams[input_files[file_index]->ist_index + i];
3493 if (ist->decoding_needed)
3494 output_packet(ist, NULL);
3503 no_packet_count = 0;
3504 memset(no_packet, 0, nb_input_files);
3507 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3508 is->streams[pkt.stream_index]);
3510 /* the following test is needed in case new streams appear
3511 dynamically in stream : we ignore them */
3512 if (pkt.stream_index >= input_files[file_index]->nb_streams)
3513 goto discard_packet;
3514 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
3515 ist = input_streams[ist_index];
3517 goto discard_packet;
3519 if (pkt.dts != AV_NOPTS_VALUE)
3520 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3521 if (pkt.pts != AV_NOPTS_VALUE)
3522 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3524 if (pkt.pts != AV_NOPTS_VALUE)
3525 pkt.pts *= ist->ts_scale;
3526 if (pkt.dts != AV_NOPTS_VALUE)
3527 pkt.dts *= ist->ts_scale;
3530 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3531 "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3532 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3533 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &ist->st->time_base),
3534 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3535 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3536 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3537 input_files[ist->file_index]->ts_offset);
3540 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3541 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3542 int64_t delta = pkt_dts - ist->next_dts;
3543 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3544 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3545 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3546 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3547 pkt_dts+1<ist->pts){
3548 input_files[ist->file_index]->ts_offset -= delta;
3549 av_log(NULL, AV_LOG_DEBUG,
3550 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3551 delta, input_files[ist->file_index]->ts_offset);
3552 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3553 if (pkt.pts != AV_NOPTS_VALUE)
3554 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3557 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3558 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3559 pkt_dts+1<ist->pts){
3560 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3561 pkt.dts = AV_NOPTS_VALUE;
3563 if (pkt.pts != AV_NOPTS_VALUE){
3564 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3565 delta = pkt_pts - ist->next_dts;
3566 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3567 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3568 pkt_pts+1<ist->pts) {
3569 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3570 pkt.pts = AV_NOPTS_VALUE;
3576 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3577 if (output_packet(ist, &pkt) < 0 ||
3578 ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
3579 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3580 ist->file_index, ist->st->index);
3583 av_free_packet(&pkt);
3588 av_free_packet(&pkt);
3590 /* dump report by using the output first video and audio streams */
3591 print_report(0, timer_start, cur_time);
3594 /* at the end of stream, we must flush the decoder buffers */
3595 for (i = 0; i < nb_input_streams; i++) {
3596 ist = input_streams[i];
3597 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3598 output_packet(ist, NULL);
3606 /* write the trailer if needed and close file */
3607 for (i = 0; i < nb_output_files; i++) {
3608 os = output_files[i]->ctx;
3609 av_write_trailer(os);
3612 /* dump report by using the first video and audio streams */
3613 print_report(1, timer_start, av_gettime());
3615 /* close each encoder */
3616 for (i = 0; i < nb_output_streams; i++) {
3617 ost = output_streams[i];
3618 if (ost->encoding_needed) {
3619 av_freep(&ost->st->codec->stats_in);
3620 avcodec_close(ost->st->codec);
3624 /* close each decoder */
3625 for (i = 0; i < nb_input_streams; i++) {
3626 ist = input_streams[i];
3627 if (ist->decoding_needed) {
3628 avcodec_close(ist->st->codec);
3636 av_freep(&no_packet);
3638 if (output_streams) {
3639 for (i = 0; i < nb_output_streams; i++) {
3640 ost = output_streams[i];
3642 if (ost->stream_copy)
3643 av_freep(&ost->st->codec->extradata);
3645 fclose(ost->logfile);
3646 ost->logfile = NULL;
3648 av_freep(&ost->st->codec->subtitle_header);
3649 av_free(ost->forced_kf_pts);
3650 av_dict_free(&ost->opts);
3657 static int opt_frame_crop(const char *opt, const char *arg)
3659 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3660 return AVERROR(EINVAL);
3663 static int opt_pad(const char *opt, const char *arg)
3665 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3669 static int opt_video_channel(const char *opt, const char *arg)
3671 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3672 return opt_default("channel", arg);
3675 static int opt_video_standard(const char *opt, const char *arg)
3677 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3678 return opt_default("standard", arg);
3681 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3683 audio_codec_name = arg;
3684 return parse_option(o, "codec:a", arg, options);
3687 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3689 video_codec_name = arg;
3690 return parse_option(o, "codec:v", arg, options);
3693 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3695 subtitle_codec_name = arg;
3696 return parse_option(o, "codec:s", arg, options);
3699 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3701 return parse_option(o, "codec:d", arg, options);
3704 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3706 StreamMap *m = NULL;
3707 int i, negative = 0, file_idx;
3708 int sync_file_idx = -1, sync_stream_idx = 0;
3716 map = av_strdup(arg);
3718 /* parse sync stream first, just pick first matching stream */
3719 if (sync = strchr(map, ',')) {
3721 sync_file_idx = strtol(sync + 1, &sync, 0);
3722 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3723 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3728 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3729 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3730 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
3731 sync_stream_idx = i;
3734 if (i == input_files[sync_file_idx]->nb_streams) {
3735 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3736 "match any streams.\n", arg);
3742 if (map[0] == '[') {
3743 /* this mapping refers to lavfi output */
3744 const char *c = map + 1;
3745 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3746 &o->nb_stream_maps, o->nb_stream_maps + 1);
3747 m = &o->stream_maps[o->nb_stream_maps - 1];
3748 m->linklabel = av_get_token(&c, "]");
3749 if (!m->linklabel) {
3750 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3754 file_idx = strtol(map, &p, 0);
3755 if (file_idx >= nb_input_files || file_idx < 0) {
3756 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3760 /* disable some already defined maps */
3761 for (i = 0; i < o->nb_stream_maps; i++) {
3762 m = &o->stream_maps[i];
3763 if (file_idx == m->file_index &&
3764 check_stream_specifier(input_files[m->file_index]->ctx,
3765 input_files[m->file_index]->ctx->streams[m->stream_index],
3766 *p == ':' ? p + 1 : p) > 0)
3770 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3771 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3772 *p == ':' ? p + 1 : p) <= 0)
3774 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3775 &o->nb_stream_maps, o->nb_stream_maps + 1);
3776 m = &o->stream_maps[o->nb_stream_maps - 1];
3778 m->file_index = file_idx;
3779 m->stream_index = i;
3781 if (sync_file_idx >= 0) {
3782 m->sync_file_index = sync_file_idx;
3783 m->sync_stream_index = sync_stream_idx;
3785 m->sync_file_index = file_idx;
3786 m->sync_stream_index = i;
3792 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3800 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3802 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3803 &o->nb_attachments, o->nb_attachments + 1);
3804 o->attachments[o->nb_attachments - 1] = arg;
3808 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3814 o->audio_channel_maps =
3815 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3816 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3817 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3819 /* muted channel syntax */
3820 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3821 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3822 m->file_idx = m->stream_idx = -1;
3824 m->ofile_idx = m->ostream_idx = -1;
3829 n = sscanf(arg, "%d.%d.%d:%d.%d",
3830 &m->file_idx, &m->stream_idx, &m->channel_idx,
3831 &m->ofile_idx, &m->ostream_idx);
3833 if (n != 3 && n != 5) {
3834 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3835 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3839 if (n != 5) // only file.stream.channel specified
3840 m->ofile_idx = m->ostream_idx = -1;
3843 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3844 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3848 if (m->stream_idx < 0 ||
3849 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
3850 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3851 m->file_idx, m->stream_idx);
3854 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
3855 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3856 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3857 m->file_idx, m->stream_idx);
3860 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3861 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3862 m->file_idx, m->stream_idx, m->channel_idx);
3869 * Parse a metadata specifier in arg.
3870 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3871 * @param index for type c/p, chapter/program index is written here
3872 * @param stream_spec for type s, the stream specifier is written here
3874 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3882 if (*(++arg) && *arg != ':') {
3883 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3886 *stream_spec = *arg == ':' ? arg + 1 : "";
3890 if (*(++arg) == ':')
3891 *index = strtol(++arg, NULL, 0);
3894 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3901 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3903 AVDictionary **meta_in = NULL;
3904 AVDictionary **meta_out = NULL;
3906 char type_in, type_out;
3907 const char *istream_spec = NULL, *ostream_spec = NULL;
3908 int idx_in = 0, idx_out = 0;
3910 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3911 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3914 if (type_out == 'g' || !*outspec)
3915 o->metadata_global_manual = 1;
3916 if (type_out == 's' || !*outspec)
3917 o->metadata_streams_manual = 1;
3918 if (type_out == 'c' || !*outspec)
3919 o->metadata_chapters_manual = 1;
3923 if (type_in == 'g' || type_out == 'g')
3924 o->metadata_global_manual = 1;
3925 if (type_in == 's' || type_out == 's')
3926 o->metadata_streams_manual = 1;
3927 if (type_in == 'c' || type_out == 'c')
3928 o->metadata_chapters_manual = 1;
3930 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3931 if ((index) < 0 || (index) >= (nb_elems)) {\
3932 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3937 #define SET_DICT(type, meta, context, index)\
3940 meta = &context->metadata;\
3943 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3944 meta = &context->chapters[index]->metadata;\
3947 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3948 meta = &context->programs[index]->metadata;\
3952 SET_DICT(type_in, meta_in, ic, idx_in);
3953 SET_DICT(type_out, meta_out, oc, idx_out);
3955 /* for input streams choose first matching stream */
3956 if (type_in == 's') {
3957 for (i = 0; i < ic->nb_streams; i++) {
3958 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3959 meta_in = &ic->streams[i]->metadata;
3965 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3970 if (type_out == 's') {
3971 for (i = 0; i < oc->nb_streams; i++) {
3972 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3973 meta_out = &oc->streams[i]->metadata;
3974 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3979 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3984 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3987 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3988 struct tm time = *gmtime((time_t*)&recording_timestamp);
3989 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3990 parse_option(o, "metadata", buf, options);
3992 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3993 "tag instead.\n", opt);
3997 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3999 const char *codec_string = encoder ? "encoder" : "decoder";
4003 avcodec_find_encoder_by_name(name) :
4004 avcodec_find_decoder_by_name(name);
4006 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
4009 if (codec->type != type) {
4010 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
4016 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
4018 char *codec_name = NULL;
4020 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
4022 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
4023 st->codec->codec_id = codec->id;
4026 return avcodec_find_decoder(st->codec->codec_id);
4030 * Add all the streams from the given input file to the global
4031 * list of input streams.
4033 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
4036 char *next, *codec_tag = NULL;
4038 for (i = 0; i < ic->nb_streams; i++) {
4039 AVStream *st = ic->streams[i];
4040 AVCodecContext *dec = st->codec;
4041 InputStream *ist = av_mallocz(sizeof(*ist));
4042 char *framerate = NULL;
4047 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
4048 input_streams[nb_input_streams - 1] = ist;
4051 ist->file_index = nb_input_files;
4053 st->discard = AVDISCARD_ALL;
4054 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
4056 ist->ts_scale = 1.0;
4057 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
4059 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
4061 uint32_t tag = strtol(codec_tag, &next, 0);
4063 tag = AV_RL32(codec_tag);
4064 st->codec->codec_tag = tag;
4067 ist->dec = choose_decoder(o, ic, st);
4069 switch (dec->codec_type) {
4070 case AVMEDIA_TYPE_VIDEO:
4072 ist->dec = avcodec_find_decoder(dec->codec_id);
4074 dec->flags |= CODEC_FLAG_EMU_EDGE;
4077 ist->resample_height = dec->height;
4078 ist->resample_width = dec->width;
4079 ist->resample_pix_fmt = dec->pix_fmt;
4081 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
4082 if (framerate && av_parse_video_rate(&ist->framerate,
4084 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
4089 ist->top_field_first = -1;
4090 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
4093 case AVMEDIA_TYPE_AUDIO:
4094 guess_input_channel_layout(ist);
4096 ist->resample_sample_fmt = dec->sample_fmt;
4097 ist->resample_sample_rate = dec->sample_rate;
4098 ist->resample_channels = dec->channels;
4099 ist->resample_channel_layout = dec->channel_layout;
4102 case AVMEDIA_TYPE_DATA:
4103 case AVMEDIA_TYPE_SUBTITLE:
4105 ist->dec = avcodec_find_decoder(dec->codec_id);
4107 case AVMEDIA_TYPE_ATTACHMENT:
4108 case AVMEDIA_TYPE_UNKNOWN:
4116 static void assert_file_overwrite(const char *filename)
4118 if ((!file_overwrite || no_file_overwrite) &&
4119 (strchr(filename, ':') == NULL || filename[1] == ':' ||
4120 av_strstart(filename, "file:", NULL))) {
4121 if (avio_check(filename, 0) == 0) {
4122 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
4123 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
4126 signal(SIGINT, SIG_DFL);
4127 if (!read_yesno()) {
4128 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
4134 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
4141 static void dump_attachment(AVStream *st, const char *filename)
4144 AVIOContext *out = NULL;
4145 AVDictionaryEntry *e;
4147 if (!st->codec->extradata_size) {
4148 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
4149 nb_input_files - 1, st->index);
4152 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
4153 filename = e->value;
4155 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
4156 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
4160 assert_file_overwrite(filename);
4162 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
4163 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
4168 avio_write(out, st->codec->extradata, st->codec->extradata_size);
4173 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
4175 AVFormatContext *ic;
4176 AVInputFormat *file_iformat = NULL;
4180 AVDictionary **opts;
4181 int orig_nb_streams; // number of streams before avformat_find_stream_info
4184 if (!(file_iformat = av_find_input_format(o->format))) {
4185 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
4190 if (!strcmp(filename, "-"))
4193 using_stdin |= !strncmp(filename, "pipe:", 5) ||
4194 !strcmp(filename, "/dev/stdin");
4196 /* get default parameters from command line */
4197 ic = avformat_alloc_context();
4199 print_error(filename, AVERROR(ENOMEM));
4202 if (o->nb_audio_sample_rate) {
4203 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
4204 av_dict_set(&format_opts, "sample_rate", buf, 0);
4206 if (o->nb_audio_channels) {
4207 /* because we set audio_channels based on both the "ac" and
4208 * "channel_layout" options, we need to check that the specified
4209 * demuxer actually has the "channels" option before setting it */
4210 if (file_iformat && file_iformat->priv_class &&
4211 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
4212 AV_OPT_SEARCH_FAKE_OBJ)) {
4213 snprintf(buf, sizeof(buf), "%d",
4214 o->audio_channels[o->nb_audio_channels - 1].u.i);
4215 av_dict_set(&format_opts, "channels", buf, 0);
4218 if (o->nb_frame_rates) {
4219 /* set the format-level framerate option;
4220 * this is important for video grabbers, e.g. x11 */
4221 if (file_iformat && file_iformat->priv_class &&
4222 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
4223 AV_OPT_SEARCH_FAKE_OBJ)) {
4224 av_dict_set(&format_opts, "framerate",
4225 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
4228 if (o->nb_frame_sizes) {
4229 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
4231 if (o->nb_frame_pix_fmts)
4232 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
4234 ic->video_codec_id = video_codec_name ?
4235 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
4236 ic->audio_codec_id = audio_codec_name ?
4237 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
4238 ic->subtitle_codec_id= subtitle_codec_name ?
4239 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
4240 ic->flags |= AVFMT_FLAG_NONBLOCK;
4241 ic->interrupt_callback = int_cb;
4243 /* open the input file with generic avformat function */
4244 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
4246 print_error(filename, err);
4249 assert_avoptions(format_opts);
4251 /* apply forced codec ids */
4252 for (i = 0; i < ic->nb_streams; i++)
4253 choose_decoder(o, ic, ic->streams[i]);
4255 /* Set AVCodecContext options for avformat_find_stream_info */
4256 opts = setup_find_stream_info_opts(ic, codec_opts);
4257 orig_nb_streams = ic->nb_streams;
4259 /* If not enough info to get the stream parameters, we decode the
4260 first frames to get it. (used in mpeg case for example) */
4261 ret = avformat_find_stream_info(ic, opts);
4263 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
4264 avformat_close_input(&ic);
4268 timestamp = o->start_time;
4269 /* add the stream start time */
4270 if (ic->start_time != AV_NOPTS_VALUE)
4271 timestamp += ic->start_time;
4273 /* if seeking requested, we execute it */
4274 if (o->start_time != 0) {
4275 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
4277 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
4278 filename, (double)timestamp / AV_TIME_BASE);