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
37 #include "libavformat/avformat.h"
38 #include "libavdevice/avdevice.h"
39 #include "libswscale/swscale.h"
40 #include "libswresample/swresample.h"
41 #include "libavutil/opt.h"
42 #include "libavutil/audioconvert.h"
43 #include "libavutil/parseutils.h"
44 #include "libavutil/samplefmt.h"
45 #include "libavutil/colorspace.h"
46 #include "libavutil/fifo.h"
47 #include "libavutil/intreadwrite.h"
48 #include "libavutil/dict.h"
49 #include "libavutil/mathematics.h"
50 #include "libavutil/pixdesc.h"
51 #include "libavutil/avstring.h"
52 #include "libavutil/libm.h"
53 #include "libavutil/imgutils.h"
54 #include "libavutil/timestamp.h"
55 #include "libavutil/bprint.h"
56 #include "libavutil/time.h"
57 #include "libavformat/os_support.h"
59 #include "libavformat/ffm.h" // not public API
61 # include "libavfilter/avcodec.h"
62 # include "libavfilter/avfilter.h"
63 # include "libavfilter/avfiltergraph.h"
64 # include "libavfilter/buffersrc.h"
65 # include "libavfilter/buffersink.h"
67 #if HAVE_SYS_RESOURCE_H
68 #include <sys/types.h>
69 #include <sys/resource.h>
70 #elif HAVE_GETPROCESSTIMES
73 #if HAVE_GETPROCESSMEMORYINFO
79 #include <sys/select.h>
84 #include <sys/ioctl.h>
99 #include "libavutil/avassert.h"
101 #define VSYNC_AUTO -1
102 #define VSYNC_PASSTHROUGH 0
105 #define VSYNC_DROP 0xff
107 const char program_name[] = "ffmpeg";
108 const int program_birth_year = 2000;
110 /* select an input stream for an output stream */
111 typedef struct StreamMap {
112 int disabled; /** 1 is this mapping is disabled by a negative map */
116 int sync_stream_index;
117 char *linklabel; /** name of an output link, for mapping lavfi outputs */
121 int file_idx, stream_idx, channel_idx; // input
122 int ofile_idx, ostream_idx; // output
125 static const OptionDef options[];
127 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
129 static int frame_bits_per_raw_sample = 0;
130 static int video_discard = 0;
131 static int same_quant = 0;
132 static int do_deinterlace = 0;
133 static int intra_dc_precision = 8;
134 static int qp_hist = 0;
135 static int intra_only = 0;
136 static const char *video_codec_name = NULL;
137 static const char *audio_codec_name = NULL;
138 static const char *subtitle_codec_name = NULL;
140 static int file_overwrite = 0;
141 static int no_file_overwrite = 0;
142 static int do_benchmark = 0;
143 static int do_benchmark_all = 0;
144 static int do_hex_dump = 0;
145 static int do_pkt_dump = 0;
146 static int do_psnr = 0;
147 static int do_pass = 0;
148 static const char *pass_logfilename_prefix;
149 static int video_sync_method = VSYNC_AUTO;
150 static int audio_sync_method = 0;
151 static float audio_drift_threshold = 0.1;
152 static int copy_ts = 0;
153 static int copy_tb = -1;
154 static int opt_shortest = 0;
155 static char *vstats_filename;
156 static FILE *vstats_file;
158 static int audio_volume = 256;
160 static int exit_on_error = 0;
161 static int stdin_interaction = 1;
162 static int run_as_daemon = 0;
163 static volatile int received_nb_signals = 0;
164 static int64_t video_size = 0;
165 static int64_t audio_size = 0;
166 static int64_t subtitle_size = 0;
167 static int64_t extra_size = 0;
168 static int nb_frames_dup = 0;
169 static int nb_frames_drop = 0;
170 static int input_sync;
172 static float dts_delta_threshold = 10;
173 static float dts_error_threshold = 3600*30;
175 static int print_stats = 1;
176 static int debug_ts = 0;
177 static int current_time;
178 static AVIOContext *progress_avio = NULL;
180 static uint8_t *subtitle_out;
183 /* signal to input threads that they should exit; set by the main thread */
184 static int transcoding_finished;
187 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
189 typedef struct InputFilter {
190 AVFilterContext *filter;
191 struct InputStream *ist;
192 struct FilterGraph *graph;
196 typedef struct OutputFilter {
197 AVFilterContext *filter;
198 struct OutputStream *ost;
199 struct FilterGraph *graph;
202 /* temporary storage until stream maps are processed */
203 AVFilterInOut *out_tmp;
206 typedef struct FilterGraph {
208 const char *graph_desc;
210 AVFilterGraph *graph;
212 InputFilter **inputs;
214 OutputFilter **outputs;
218 typedef struct InputStream {
221 int discard; /* true if stream data should be discarded */
222 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
224 AVFrame *decoded_frame;
226 int64_t start; /* time when read started */
227 /* predicted dts of the next packet read for this stream or (when there are
228 * several frames in a packet) of the next frame in current packet */
230 /* dts of the last packet read for this stream */
233 int64_t next_pts; /* synthetic pts for the next decode frame */
234 int64_t pts; /* current pts of the decoded frame */
236 int is_start; /* is 1 at the start and after a discontinuity */
238 int showed_multi_packet_warning;
240 AVRational framerate; /* framerate forced with -r */
245 int resample_pix_fmt;
247 int resample_sample_fmt;
248 int resample_sample_rate;
249 int resample_channels;
250 uint64_t resample_channel_layout;
252 /* a pool of free buffers for decoded data */
253 FrameBuffer *buffer_pool;
256 /* decoded data from this stream goes into all those filters
257 * currently video and audio only */
258 InputFilter **filters;
262 typedef struct InputFile {
263 AVFormatContext *ctx;
264 int eof_reached; /* true if eof reached */
265 int ist_index; /* index of first stream in input_streams */
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 pthread_t thread; /* thread reading from this file */
273 int finished; /* the thread has exited */
274 int joined; /* the thread has been joined */
275 pthread_mutex_t fifo_lock; /* lock for access to fifo */
276 pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
277 AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */
281 typedef struct OutputStream {
282 int file_index; /* file index */
283 int index; /* stream index in the output file */
284 int source_index; /* InputStream index */
285 AVStream *st; /* stream in the output file */
286 int encoding_needed; /* true if encoding needed for this stream */
288 /* input pts and corresponding output pts
290 struct InputStream *sync_ist; /* input stream to sync against */
291 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
292 /* pts of the first frame encoded for this stream, used for limiting
295 AVBitStreamFilterContext *bitstream_filters;
298 AVFrame *filtered_frame;
301 AVRational frame_rate;
305 float frame_aspect_ratio;
308 /* forced key frames */
309 int64_t *forced_kf_pts;
312 char *forced_keyframes;
315 int audio_channels_map[SWR_CH_MAX]; /* list of the channels id to pick from the source stream */
316 int audio_channels_mapped; /* number of channels in audio_channels_map */
320 OutputFilter *filter;
324 int64_t swr_dither_method;
325 double swr_dither_scale;
327 int is_past_recording_time;
329 const char *attachment_filename;
330 int copy_initial_nonkeyframes;
338 /* init terminal so that we can grab keys */
339 static struct termios oldtty;
340 static int restore_tty;
343 typedef struct OutputFile {
344 AVFormatContext *ctx;
346 int ost_index; /* index of the first stream in output_streams */
347 int64_t recording_time; /* desired length of the resulting file in microseconds */
348 int64_t start_time; /* start time in microseconds */
349 uint64_t limit_filesize; /* filesize limit expressed in bytes */
352 static InputStream **input_streams = NULL;
353 static int nb_input_streams = 0;
354 static InputFile **input_files = NULL;
355 static int nb_input_files = 0;
357 static OutputStream **output_streams = NULL;
358 static int nb_output_streams = 0;
359 static OutputFile **output_files = NULL;
360 static int nb_output_files = 0;
362 static FilterGraph **filtergraphs;
365 typedef struct OptionsContext {
366 /* input/output options */
370 SpecifierOpt *codec_names;
372 SpecifierOpt *audio_channels;
373 int nb_audio_channels;
374 SpecifierOpt *audio_sample_rate;
375 int nb_audio_sample_rate;
376 SpecifierOpt *frame_rates;
378 SpecifierOpt *frame_sizes;
380 SpecifierOpt *frame_pix_fmts;
381 int nb_frame_pix_fmts;
384 int64_t input_ts_offset;
387 SpecifierOpt *ts_scale;
389 SpecifierOpt *dump_attachment;
390 int nb_dump_attachment;
393 StreamMap *stream_maps;
395 AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
396 int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
397 int metadata_global_manual;
398 int metadata_streams_manual;
399 int metadata_chapters_manual;
400 const char **attachments;
403 int chapters_input_file;
405 int64_t recording_time;
406 uint64_t limit_filesize;
412 int subtitle_disable;
415 /* indexed by output file stream index */
419 SpecifierOpt *metadata;
421 SpecifierOpt *max_frames;
423 SpecifierOpt *bitstream_filters;
424 int nb_bitstream_filters;
425 SpecifierOpt *codec_tags;
427 SpecifierOpt *sample_fmts;
429 SpecifierOpt *qscale;
431 SpecifierOpt *forced_key_frames;
432 int nb_forced_key_frames;
433 SpecifierOpt *force_fps;
435 SpecifierOpt *frame_aspect_ratios;
436 int nb_frame_aspect_ratios;
437 SpecifierOpt *rc_overrides;
439 SpecifierOpt *intra_matrices;
440 int nb_intra_matrices;
441 SpecifierOpt *inter_matrices;
442 int nb_inter_matrices;
443 SpecifierOpt *top_field_first;
444 int nb_top_field_first;
445 SpecifierOpt *metadata_map;
447 SpecifierOpt *presets;
449 SpecifierOpt *copy_initial_nonkeyframes;
450 int nb_copy_initial_nonkeyframes;
451 SpecifierOpt *filters;
455 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
457 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
460 for (i = 0; i < o->nb_ ## name; i++) {\
461 char *spec = o->name[i].specifier;\
462 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
463 outvar = o->name[i].u.type;\
469 static int64_t getutime(void)
472 struct rusage rusage;
474 getrusage(RUSAGE_SELF, &rusage);
475 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
476 #elif HAVE_GETPROCESSTIMES
479 proc = GetCurrentProcess();
480 GetProcessTimes(proc, &c, &e, &k, &u);
481 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
487 static void update_benchmark(const char *fmt, ...)
489 if (do_benchmark_all) {
490 int64_t t = getutime();
496 vsnprintf(buf, sizeof(buf), fmt, va);
498 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
504 static void reset_options(OptionsContext *o, int is_input)
506 const OptionDef *po = options;
507 OptionsContext bak= *o;
510 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
512 void *dst = (uint8_t*)o + po->u.off;
514 if (po->flags & OPT_SPEC) {
515 SpecifierOpt **so = dst;
516 int i, *count = (int*)(so + 1);
517 for (i = 0; i < *count; i++) {
518 av_freep(&(*so)[i].specifier);
519 if (po->flags & OPT_STRING)
520 av_freep(&(*so)[i].u.str);
524 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
529 for (i = 0; i < o->nb_stream_maps; i++)
530 av_freep(&o->stream_maps[i].linklabel);
531 av_freep(&o->stream_maps);
532 av_freep(&o->audio_channel_maps);
533 av_freep(&o->streamid_map);
535 memset(o, 0, sizeof(*o));
538 o->recording_time = bak.recording_time;
539 if (o->recording_time != INT64_MAX)
540 av_log(NULL, AV_LOG_WARNING,
541 "-t is not an input option, keeping it for the next output;"
542 " consider fixing your command line.\n");
544 o->recording_time = INT64_MAX;
545 o->mux_max_delay = 0.7;
546 o->limit_filesize = UINT64_MAX;
547 o->chapters_input_file = INT_MAX;
553 static enum PixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum PixelFormat target)
555 if (codec && codec->pix_fmts) {
556 const enum PixelFormat *p = codec->pix_fmts;
557 int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
558 enum PixelFormat best= PIX_FMT_NONE;
559 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
560 if (st->codec->codec_id == CODEC_ID_MJPEG) {
561 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
562 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
563 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
564 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
567 for (; *p != PIX_FMT_NONE; p++) {
568 best= avcodec_find_best_pix_fmt2(best, *p, target, has_alpha, NULL);
572 if (*p == PIX_FMT_NONE) {
573 if (target != PIX_FMT_NONE)
574 av_log(NULL, AV_LOG_WARNING,
575 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
576 av_pix_fmt_descriptors[target].name,
578 av_pix_fmt_descriptors[best].name);
585 static char *choose_pix_fmts(OutputStream *ost)
587 if (ost->keep_pix_fmt) {
589 avfilter_graph_set_auto_convert(ost->filter->graph->graph,
590 AVFILTER_AUTO_CONVERT_NONE);
591 if (ost->st->codec->pix_fmt == PIX_FMT_NONE)
593 return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
595 if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
596 return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
597 } else if (ost->enc && ost->enc->pix_fmts) {
598 const enum PixelFormat *p;
599 AVIOContext *s = NULL;
603 if (avio_open_dyn_buf(&s) < 0)
606 p = ost->enc->pix_fmts;
607 if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
608 if (ost->st->codec->codec_id == CODEC_ID_MJPEG) {
609 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
610 } else if (ost->st->codec->codec_id == CODEC_ID_LJPEG) {
611 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
612 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
616 for (; *p != PIX_FMT_NONE; p++) {
617 const char *name = av_get_pix_fmt_name(*p);
618 avio_printf(s, "%s:", name);
620 len = avio_close_dyn_buf(s, &ret);
628 * Define a function for building a string containing a list of
631 #define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
632 static char *choose_ ## var ## s(OutputStream *ost) \
634 if (ost->st->codec->var != none) { \
635 get_name(ost->st->codec->var); \
636 return av_strdup(name); \
637 } else if (ost->enc->supported_list) { \
639 AVIOContext *s = NULL; \
643 if (avio_open_dyn_buf(&s) < 0) \
646 for (p = ost->enc->supported_list; *p != none; p++) { \
648 avio_printf(s, "%s" separator, name); \
650 len = avio_close_dyn_buf(s, &ret); \
657 #define GET_PIX_FMT_NAME(pix_fmt)\
658 const char *name = av_get_pix_fmt_name(pix_fmt);
660 // DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
661 // GET_PIX_FMT_NAME, ":")
663 #define GET_SAMPLE_FMT_NAME(sample_fmt)\
664 const char *name = av_get_sample_fmt_name(sample_fmt)
666 DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
667 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
669 #define GET_SAMPLE_RATE_NAME(rate)\
671 snprintf(name, sizeof(name), "%d", rate);
673 DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
674 GET_SAMPLE_RATE_NAME, ",")
676 #define GET_CH_LAYOUT_NAME(ch_layout)\
678 snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
680 DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
681 GET_CH_LAYOUT_NAME, ",")
683 static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
685 FilterGraph *fg = av_mallocz(sizeof(*fg));
689 fg->index = nb_filtergraphs;
691 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
693 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
695 fg->outputs[0]->ost = ost;
696 fg->outputs[0]->graph = fg;
698 ost->filter = fg->outputs[0];
700 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
702 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
704 fg->inputs[0]->ist = ist;
705 fg->inputs[0]->graph = fg;
707 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
708 &ist->nb_filters, ist->nb_filters + 1);
709 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
711 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
712 &nb_filtergraphs, nb_filtergraphs + 1);
713 filtergraphs[nb_filtergraphs - 1] = fg;
718 static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
720 InputStream *ist = NULL;
721 enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
724 // TODO: support other filter types
725 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
726 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
735 int file_idx = strtol(in->name, &p, 0);
737 if (file_idx < 0 || file_idx >= nb_input_files) {
738 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
739 file_idx, fg->graph_desc);
742 s = input_files[file_idx]->ctx;
744 for (i = 0; i < s->nb_streams; i++) {
745 if (s->streams[i]->codec->codec_type != type)
747 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
753 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
754 "matches no streams.\n", p, fg->graph_desc);
757 ist = input_streams[input_files[file_idx]->ist_index + st->index];
759 /* find the first unused stream of corresponding type */
760 for (i = 0; i < nb_input_streams; i++) {
761 ist = input_streams[i];
762 if (ist->st->codec->codec_type == type && ist->discard)
765 if (i == nb_input_streams) {
766 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
767 "unlabeled input pad %d on filter %s\n", in->pad_idx,
768 in->filter_ctx->name);
775 ist->decoding_needed = 1;
776 ist->st->discard = AVDISCARD_NONE;
778 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
779 &fg->nb_inputs, fg->nb_inputs + 1);
780 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
782 fg->inputs[fg->nb_inputs - 1]->ist = ist;
783 fg->inputs[fg->nb_inputs - 1]->graph = fg;
785 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
786 &ist->nb_filters, ist->nb_filters + 1);
787 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
790 static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
793 OutputStream *ost = ofilter->ost;
794 AVCodecContext *codec = ost->st->codec;
795 AVFilterContext *last_filter = out->filter_ctx;
796 int pad_idx = out->pad_idx;
799 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
801 snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
802 ret = avfilter_graph_create_filter(&ofilter->filter,
803 avfilter_get_by_name("buffersink"),
804 name, NULL, NULL/*buffersink_params*/, fg->graph);
805 av_freep(&buffersink_params);
810 if (codec->width || codec->height) {
812 AVFilterContext *filter;
814 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
817 (unsigned)ost->sws_flags);
818 snprintf(name, sizeof(name), "scaler for output stream %d:%d",
819 ost->file_index, ost->index);
820 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
821 name, args, NULL, fg->graph)) < 0)
823 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
826 last_filter = filter;
830 if ((pix_fmts = choose_pix_fmts(ost))) {
831 AVFilterContext *filter;
832 snprintf(name, sizeof(name), "pixel format for output stream %d:%d",
833 ost->file_index, ost->index);
834 if ((ret = avfilter_graph_create_filter(&filter,
835 avfilter_get_by_name("format"),
836 "format", pix_fmts, NULL,
839 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
842 last_filter = filter;
847 if (ost->frame_rate.num && 0) {
848 AVFilterContext *fps;
851 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
852 ost->frame_rate.den);
853 snprintf(name, sizeof(name), "fps for output stream %d:%d",
854 ost->file_index, ost->index);
855 ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
856 name, args, NULL, fg->graph);
860 ret = avfilter_link(last_filter, pad_idx, fps, 0);
867 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
873 static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
875 OutputStream *ost = ofilter->ost;
876 AVCodecContext *codec = ost->st->codec;
877 AVFilterContext *last_filter = out->filter_ctx;
878 int pad_idx = out->pad_idx;
879 char *sample_fmts, *sample_rates, *channel_layouts;
884 snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
885 ret = avfilter_graph_create_filter(&ofilter->filter,
886 avfilter_get_by_name("abuffersink"),
887 name, NULL, NULL, fg->graph);
891 #define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
892 AVFilterContext *filt_ctx; \
894 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
895 "similarly to -af " filter_name "=%s.\n", arg); \
897 ret = avfilter_graph_create_filter(&filt_ctx, \
898 avfilter_get_by_name(filter_name), \
899 filter_name, arg, NULL, fg->graph); \
903 ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
907 last_filter = filt_ctx; \
910 if (ost->audio_channels_mapped) {
913 av_bprint_init(&pan_buf, 256, 8192);
914 av_bprintf(&pan_buf, "0x%"PRIx64,
915 av_get_default_channel_layout(ost->audio_channels_mapped));
916 for (i = 0; i < ost->audio_channels_mapped; i++)
917 if (ost->audio_channels_map[i] != -1)
918 av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
920 AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
921 av_bprint_finalize(&pan_buf, NULL);
924 if (codec->channels && !codec->channel_layout)
925 codec->channel_layout = av_get_default_channel_layout(codec->channels);
927 sample_fmts = choose_sample_fmts(ost);
928 sample_rates = choose_sample_rates(ost);
929 channel_layouts = choose_channel_layouts(ost);
930 if (sample_fmts || sample_rates || channel_layouts) {
931 AVFilterContext *format;
936 len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
939 len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
942 len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
946 av_freep(&sample_fmts);
947 av_freep(&sample_rates);
948 av_freep(&channel_layouts);
950 snprintf(name, sizeof(name), "audio format for output stream %d:%d",
951 ost->file_index, ost->index);
952 ret = avfilter_graph_create_filter(&format,
953 avfilter_get_by_name("aformat"),
954 name, args, NULL, fg->graph);
958 ret = avfilter_link(last_filter, pad_idx, format, 0);
962 last_filter = format;
966 if (audio_volume != 256 && 0) {
969 snprintf(args, sizeof(args), "%f", audio_volume / 256.);
970 AUTO_INSERT_FILTER("-vol", "volume", args);
973 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
979 #define DESCRIBE_FILTER_LINK(f, inout, in) \
981 AVFilterContext *ctx = inout->filter_ctx; \
982 AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
983 int nb_pads = in ? ctx->input_count : ctx->output_count; \
986 if (avio_open_dyn_buf(&pb) < 0) \
989 avio_printf(pb, "%s", ctx->filter->name); \
991 avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
993 avio_close_dyn_buf(pb, &f->name); \
996 static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
998 av_freep(&ofilter->name);
999 DESCRIBE_FILTER_LINK(ofilter, out, 0);
1001 switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
1002 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
1003 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
1004 default: av_assert0(0);
1008 static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
1011 AVFilterContext *first_filter = in->filter_ctx;
1012 AVFilter *filter = avfilter_get_by_name("buffer");
1013 InputStream *ist = ifilter->ist;
1014 AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
1015 ist->framerate.num} :
1017 AVRational fr = ist->framerate.num ? ist->framerate :
1018 ist->st->r_frame_rate;
1022 int pad_idx = in->pad_idx;
1025 sar = ist->st->sample_aspect_ratio.num ?
1026 ist->st->sample_aspect_ratio :
1027 ist->st->codec->sample_aspect_ratio;
1029 sar = (AVRational){0,1};
1030 av_bprint_init(&args, 0, 1);
1032 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:"
1033 "pixel_aspect=%d/%d:sws_param=flags=%d", ist->st->codec->width,
1034 ist->st->codec->height, ist->st->codec->pix_fmt,
1035 tb.num, tb.den, sar.num, sar.den,
1036 SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
1037 if (fr.num && fr.den)
1038 av_bprintf(&args, ":frame_rate=%d/%d", fr.num, fr.den);
1039 snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
1040 ist->file_index, ist->st->index);
1042 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, name,
1043 args.str, NULL, fg->graph)) < 0)
1046 if (ist->framerate.num) {
1047 AVFilterContext *setpts;
1049 snprintf(name, sizeof(name), "force CFR for input from stream %d:%d",
1050 ist->file_index, ist->st->index);
1051 if ((ret = avfilter_graph_create_filter(&setpts,
1052 avfilter_get_by_name("setpts"),
1057 if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
1060 first_filter = setpts;
1064 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
1069 static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
1072 AVFilterContext *first_filter = in->filter_ctx;
1073 AVFilter *filter = avfilter_get_by_name("abuffer");
1074 InputStream *ist = ifilter->ist;
1075 int pad_idx = in->pad_idx;
1076 char args[255], name[255];
1079 snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
1080 ":channel_layout=0x%"PRIx64,
1081 1, ist->st->codec->sample_rate,
1082 ist->st->codec->sample_rate,
1083 av_get_sample_fmt_name(ist->st->codec->sample_fmt),
1084 ist->st->codec->channel_layout);
1085 snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
1086 ist->file_index, ist->st->index);
1088 if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
1093 #define AUTO_INSERT_FILTER_INPUT(opt_name, filter_name, arg) do { \
1094 AVFilterContext *filt_ctx; \
1096 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
1097 "similarly to -af " filter_name "=%s.\n", arg); \
1099 snprintf(name, sizeof(name), "graph %d %s for input stream %d:%d", \
1100 fg->index, filter_name, ist->file_index, ist->st->index); \
1101 ret = avfilter_graph_create_filter(&filt_ctx, \
1102 avfilter_get_by_name(filter_name), \
1103 name, arg, NULL, fg->graph); \
1107 ret = avfilter_link(filt_ctx, 0, first_filter, pad_idx); \
1111 first_filter = filt_ctx; \
1114 if (audio_sync_method > 0) {
1115 char args[256] = {0};
1117 av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold);
1118 if (audio_sync_method > 1)
1119 av_strlcatf(args, sizeof(args), ":max_soft_comp=%f", audio_sync_method/(double)ist->st->codec->sample_rate);
1120 AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
1123 // if (ost->audio_channels_mapped) {
1125 // AVBPrint pan_buf;
1126 // av_bprint_init(&pan_buf, 256, 8192);
1127 // av_bprintf(&pan_buf, "0x%"PRIx64,
1128 // av_get_default_channel_layout(ost->audio_channels_mapped));
1129 // for (i = 0; i < ost->audio_channels_mapped; i++)
1130 // if (ost->audio_channels_map[i] != -1)
1131 // av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
1132 // AUTO_INSERT_FILTER_INPUT("-map_channel", "pan", pan_buf.str);
1133 // av_bprint_finalize(&pan_buf, NULL);
1136 if (audio_volume != 256) {
1139 snprintf(args, sizeof(args), "%f", audio_volume / 256.);
1140 AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
1142 if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
1148 static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
1151 av_freep(&ifilter->name);
1152 DESCRIBE_FILTER_LINK(ifilter, in, 1);
1154 switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
1155 case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
1156 case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
1157 default: av_assert0(0);
1161 static int configure_filtergraph(FilterGraph *fg)
1163 AVFilterInOut *inputs, *outputs, *cur;
1164 int ret, i, init = !fg->graph, simple = !fg->graph_desc;
1165 const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
1168 avfilter_graph_free(&fg->graph);
1169 if (!(fg->graph = avfilter_graph_alloc()))
1170 return AVERROR(ENOMEM);
1173 OutputStream *ost = fg->outputs[0]->ost;
1175 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
1176 fg->graph->scale_sws_opts = av_strdup(args);
1179 if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
1182 if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
1183 av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
1184 "exactly one input and output.\n", graph_desc);
1185 return AVERROR(EINVAL);
1188 for (cur = inputs; !simple && init && cur; cur = cur->next)
1189 init_input_filter(fg, cur);
1191 for (cur = inputs, i = 0; cur; cur = cur->next, i++)
1192 if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
1194 avfilter_inout_free(&inputs);
1196 if (!init || simple) {
1197 /* we already know the mappings between lavfi outputs and output streams,
1198 * so we can finish the setup */
1199 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
1200 configure_output_filter(fg, fg->outputs[i], cur);
1201 avfilter_inout_free(&outputs);
1203 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
1206 /* wait until output mappings are processed */
1207 for (cur = outputs; cur;) {
1208 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
1209 &fg->nb_outputs, fg->nb_outputs + 1);
1210 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
1212 fg->outputs[fg->nb_outputs - 1]->graph = fg;
1213 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
1215 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
1222 static int configure_complex_filters(void)
1226 for (i = 0; i < nb_filtergraphs; i++)
1227 if (!filtergraphs[i]->graph &&
1228 (ret = configure_filtergraph(filtergraphs[i])) < 0)
1233 static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
1236 for (i = 0; i < fg->nb_inputs; i++)
1237 if (fg->inputs[i]->ist == ist)
1242 static void term_exit(void)
1244 av_log(NULL, AV_LOG_QUIET, "%s", "");
1247 tcsetattr (0, TCSANOW, &oldtty);
1251 static volatile int received_sigterm = 0;
1253 static void sigterm_handler(int sig)
1255 received_sigterm = sig;
1256 received_nb_signals++;
1258 if(received_nb_signals > 3)
1262 static void term_init(void)
1269 istty = isatty(0) && isatty(2);
1271 if (istty && tcgetattr (0, &tty) == 0) {
1276 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1277 |INLCR|IGNCR|ICRNL|IXON);
1278 tty.c_oflag |= OPOST;
1279 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1280 tty.c_cflag &= ~(CSIZE|PARENB);
1283 tty.c_cc[VTIME] = 0;
1285 tcsetattr (0, TCSANOW, &tty);
1287 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
1290 avformat_network_deinit();
1292 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
1293 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1295 signal(SIGXCPU, sigterm_handler);
1299 /* read a key without blocking */
1300 static int read_key(void)
1312 n = select(1, &rfds, NULL, NULL, &tv);
1314 n = read(0, &ch, 1);
1321 # if HAVE_PEEKNAMEDPIPE
1323 static HANDLE input_handle;
1326 input_handle = GetStdHandle(STD_INPUT_HANDLE);
1327 is_pipe = !GetConsoleMode(input_handle, &dw);
1330 if (stdin->_cnt > 0) {
1335 /* When running under a GUI, you will end here. */
1336 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
1353 static int decode_interrupt_cb(void *ctx)
1355 return received_nb_signals > 1;
1358 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1360 void av_noreturn exit_program(int ret)
1364 for (i = 0; i < nb_filtergraphs; i++) {
1365 avfilter_graph_free(&filtergraphs[i]->graph);
1366 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
1367 av_freep(&filtergraphs[i]->inputs[j]->name);
1368 av_freep(&filtergraphs[i]->inputs[j]);
1370 av_freep(&filtergraphs[i]->inputs);
1371 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
1372 av_freep(&filtergraphs[i]->outputs[j]->name);
1373 av_freep(&filtergraphs[i]->outputs[j]);
1375 av_freep(&filtergraphs[i]->outputs);
1376 av_freep(&filtergraphs[i]);
1378 av_freep(&filtergraphs);
1380 av_freep(&subtitle_out);
1383 for (i = 0; i < nb_output_files; i++) {
1384 AVFormatContext *s = output_files[i]->ctx;
1385 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1387 avformat_free_context(s);
1388 av_dict_free(&output_files[i]->opts);
1389 av_freep(&output_files[i]);
1391 for (i = 0; i < nb_output_streams; i++) {
1392 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1394 AVBitStreamFilterContext *next = bsfc->next;
1395 av_bitstream_filter_close(bsfc);
1398 output_streams[i]->bitstream_filters = NULL;
1400 av_freep(&output_streams[i]->forced_keyframes);
1401 av_freep(&output_streams[i]->filtered_frame);
1402 av_freep(&output_streams[i]->avfilter);
1403 av_freep(&output_streams[i]);
1405 for (i = 0; i < nb_input_files; i++) {
1406 avformat_close_input(&input_files[i]->ctx);
1407 av_freep(&input_files[i]);
1409 for (i = 0; i < nb_input_streams; i++) {
1410 av_freep(&input_streams[i]->decoded_frame);
1411 av_dict_free(&input_streams[i]->opts);
1412 free_buffer_pool(&input_streams[i]->buffer_pool);
1413 av_freep(&input_streams[i]->filters);
1414 av_freep(&input_streams[i]);
1418 fclose(vstats_file);
1419 av_free(vstats_filename);
1421 av_freep(&input_streams);
1422 av_freep(&input_files);
1423 av_freep(&output_streams);
1424 av_freep(&output_files);
1429 avformat_network_deinit();
1431 if (received_sigterm) {
1432 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1433 (int) received_sigterm);
1440 static void assert_avoptions(AVDictionary *m)
1442 AVDictionaryEntry *t;
1443 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1444 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
1449 static void assert_codec_experimental(AVCodecContext *c, int encoder)
1451 const char *codec_string = encoder ? "encoder" : "decoder";
1453 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1454 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1455 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
1456 "results.\nAdd '-strict experimental' if you want to use it.\n",
1457 codec_string, c->codec->name);
1458 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1459 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
1460 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
1461 codec_string, codec->name);
1466 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
1468 if (codec && codec->sample_fmts) {
1469 const enum AVSampleFormat *p = codec->sample_fmts;
1470 for (; *p != -1; p++) {
1471 if (*p == st->codec->sample_fmt)
1475 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
1476 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
1477 if(av_get_sample_fmt_name(st->codec->sample_fmt))
1478 av_log(NULL, AV_LOG_WARNING,
1479 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
1480 av_get_sample_fmt_name(st->codec->sample_fmt),
1482 av_get_sample_fmt_name(codec->sample_fmts[0]));
1483 st->codec->sample_fmt = codec->sample_fmts[0];
1488 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1490 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1491 AVCodecContext *avctx = ost->st->codec;
1494 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1495 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1496 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1498 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1499 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
1500 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
1501 av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
1502 pkt->pts = pkt->dts = max;
1507 * Audio encoders may split the packets -- #frames in != #packets out.
1508 * But there is no reordering, so we can limit the number of output packets
1509 * by simply dropping them here.
1510 * Counting encoded video frames needs to be done separately because of
1511 * reordering, see do_video_out()
1513 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1514 if (ost->frame_number >= ost->max_frames) {
1515 av_free_packet(pkt);
1518 ost->frame_number++;
1522 AVPacket new_pkt = *pkt;
1523 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1524 &new_pkt.data, &new_pkt.size,
1525 pkt->data, pkt->size,
1526 pkt->flags & AV_PKT_FLAG_KEY);
1528 av_free_packet(pkt);
1529 new_pkt.destruct = av_destruct_packet;
1531 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1532 bsfc->filter->name, pkt->stream_index,
1533 avctx->codec ? avctx->codec->name : "copy");
1543 pkt->stream_index = ost->index;
1544 ret = av_interleaved_write_frame(s, pkt);
1546 print_error("av_interleaved_write_frame()", ret);
1551 static int check_recording_time(OutputStream *ost)
1553 OutputFile *of = output_files[ost->file_index];
1555 if (of->recording_time != INT64_MAX &&
1556 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
1557 AV_TIME_BASE_Q) >= 0) {
1558 ost->is_past_recording_time = 1;
1564 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1567 AVCodecContext *enc = ost->st->codec;
1571 av_init_packet(&pkt);
1575 if (!check_recording_time(ost))
1578 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
1579 frame->pts = ost->sync_opts;
1580 ost->sync_opts = frame->pts + frame->nb_samples;
1582 av_assert0(pkt.size || !pkt.data);
1583 update_benchmark(NULL);
1584 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1585 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
1588 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
1591 if (pkt.pts != AV_NOPTS_VALUE)
1592 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1593 if (pkt.dts != AV_NOPTS_VALUE)
1594 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1595 if (pkt.duration > 0)
1596 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1599 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1600 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1601 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1602 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1605 write_frame(s, &pkt, ost);
1607 audio_size += pkt.size;
1608 av_free_packet(&pkt);
1612 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1614 AVCodecContext *dec;
1615 AVPicture *picture2;
1616 AVPicture picture_tmp;
1619 dec = ist->st->codec;
1621 /* deinterlace : must be done before any resize */
1622 if (do_deinterlace) {
1625 /* create temporary picture */
1626 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1627 buf = av_malloc(size);
1631 picture2 = &picture_tmp;
1632 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1634 if (avpicture_deinterlace(picture2, picture,
1635 dec->pix_fmt, dec->width, dec->height) < 0) {
1636 /* if error, do not deinterlace */
1637 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1646 if (picture != picture2)
1647 *picture = *picture2;
1651 static void do_subtitle_out(AVFormatContext *s,
1657 int subtitle_out_max_size = 1024 * 1024;
1658 int subtitle_out_size, nb, i;
1659 AVCodecContext *enc;
1662 if (pts == AV_NOPTS_VALUE) {
1663 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1669 enc = ost->st->codec;
1671 if (!subtitle_out) {
1672 subtitle_out = av_malloc(subtitle_out_max_size);
1675 /* Note: DVB subtitle need one packet to draw them and one other
1676 packet to clear them */
1677 /* XXX: signal it in the codec context ? */
1678 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1683 for (i = 0; i < nb; i++) {
1684 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1685 if (!check_recording_time(ost))
1688 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1689 // start_display_time is required to be 0
1690 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1691 sub->end_display_time -= sub->start_display_time;
1692 sub->start_display_time = 0;
1693 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1694 subtitle_out_max_size, sub);
1695 if (subtitle_out_size < 0) {
1696 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1700 av_init_packet(&pkt);
1701 pkt.data = subtitle_out;
1702 pkt.size = subtitle_out_size;
1703 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1704 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
1705 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1706 /* XXX: the pts correction is handled here. Maybe handling
1707 it in the codec would be better */
1709 pkt.pts += 90 * sub->start_display_time;
1711 pkt.pts += 90 * sub->end_display_time;
1713 write_frame(s, &pkt, ost);
1714 subtitle_size += pkt.size;
1718 static void do_video_out(AVFormatContext *s,
1720 AVFrame *in_picture,
1723 int ret, format_video_sync;
1725 AVCodecContext *enc = ost->st->codec;
1727 double sync_ipts, delta;
1728 double duration = 0;
1730 InputStream *ist = NULL;
1732 if (ost->source_index >= 0)
1733 ist = input_streams[ost->source_index];
1735 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
1736 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
1738 sync_ipts = in_picture->pts;
1739 delta = sync_ipts - ost->sync_opts + duration;
1741 /* by default, we output a single frame */
1744 format_video_sync = video_sync_method;
1745 if (format_video_sync == VSYNC_AUTO)
1746 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1748 switch (format_video_sync) {
1750 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1753 else if (delta > 1.1)
1754 nb_frames = lrintf(delta);
1759 else if (delta > 0.6)
1760 ost->sync_opts = lrint(sync_ipts);
1763 case VSYNC_PASSTHROUGH:
1764 ost->sync_opts = lrint(sync_ipts);
1770 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1771 if (nb_frames == 0) {
1773 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1775 } else if (nb_frames > 1) {
1776 if (nb_frames > dts_error_threshold * 30) {
1777 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skiping\n", nb_frames - 1);
1781 nb_frames_dup += nb_frames - 1;
1782 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1785 /* duplicates frame if needed */
1786 for (i = 0; i < nb_frames; i++) {
1787 av_init_packet(&pkt);
1791 in_picture->pts = ost->sync_opts;
1793 if (!check_recording_time(ost))
1796 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1797 enc->codec->id == CODEC_ID_RAWVIDEO) {
1798 /* raw pictures are written as AVPicture structure to
1799 avoid any copies. We support temporarily the older
1801 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1802 enc->coded_frame->top_field_first = in_picture->top_field_first;
1803 pkt.data = (uint8_t *)in_picture;
1804 pkt.size = sizeof(AVPicture);
1805 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1806 pkt.flags |= AV_PKT_FLAG_KEY;
1808 write_frame(s, &pkt, ost);
1809 video_size += pkt.size;
1812 AVFrame big_picture;
1814 big_picture = *in_picture;
1815 /* better than nothing: use input picture interlaced
1817 big_picture.interlaced_frame = in_picture->interlaced_frame;
1818 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1819 if (ost->top_field_first == -1)
1820 big_picture.top_field_first = in_picture->top_field_first;
1822 big_picture.top_field_first = !!ost->top_field_first;
1825 /* handles same_quant here. This is not correct because it may
1826 not be a global option */
1827 big_picture.quality = quality;
1828 if (!enc->me_threshold)
1829 big_picture.pict_type = 0;
1830 if (ost->forced_kf_index < ost->forced_kf_count &&
1831 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1832 big_picture.pict_type = AV_PICTURE_TYPE_I;
1833 ost->forced_kf_index++;
1835 update_benchmark(NULL);
1836 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1837 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1839 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1844 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1845 pkt.pts = ost->sync_opts;
1847 if (pkt.pts != AV_NOPTS_VALUE)
1848 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1849 if (pkt.dts != AV_NOPTS_VALUE)
1850 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1853 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1854 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1855 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1856 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1859 write_frame(s, &pkt, ost);
1860 frame_size = pkt.size;
1861 video_size += pkt.size;
1862 av_free_packet(&pkt);
1864 /* if two pass, output log */
1865 if (ost->logfile && enc->stats_out) {
1866 fprintf(ost->logfile, "%s", enc->stats_out);
1872 * For video, number of frames in == number of packets out.
1873 * But there may be reordering, so we can't throw away frames on encoder
1874 * flush, we need to limit them here, before they go into encoder.
1876 ost->frame_number++;
1879 if (vstats_filename && frame_size)
1880 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
1883 static double psnr(double d)
1885 return -10.0 * log(d) / log(10.0);
1888 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1891 AVCodecContext *enc;
1893 double ti1, bitrate, avg_bitrate;
1895 /* this is executed just the first time do_video_stats is called */
1897 vstats_file = fopen(vstats_filename, "w");
1904 enc = ost->st->codec;
1905 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1906 frame_number = ost->frame_number;
1907 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1908 if (enc->flags&CODEC_FLAG_PSNR)
1909 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1911 fprintf(vstats_file,"f_size= %6d ", frame_size);
1912 /* compute pts value */
1913 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1917 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1918 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1919 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1920 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1921 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1925 /* check for new output on any of the filtergraphs */
1926 static int poll_filters(void)
1928 AVFilterBufferRef *picref;
1929 AVFrame *filtered_frame = NULL;
1930 int i, ret, ret_all;
1931 unsigned nb_success, nb_eof;
1935 /* Reap all buffers present in the buffer sinks */
1936 for (i = 0; i < nb_output_streams; i++) {
1937 OutputStream *ost = output_streams[i];
1938 OutputFile *of = output_files[ost->file_index];
1944 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1945 return AVERROR(ENOMEM);
1947 avcodec_get_frame_defaults(ost->filtered_frame);
1948 filtered_frame = ost->filtered_frame;
1951 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
1952 AV_BUFFERSINK_FLAG_NO_REQUEST);
1954 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1956 av_strerror(ret, buf, sizeof(buf));
1957 av_log(NULL, AV_LOG_WARNING,
1958 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
1962 frame_pts = AV_NOPTS_VALUE;
1963 if (picref->pts != AV_NOPTS_VALUE) {
1964 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
1965 ost->filter->filter->inputs[0]->time_base,
1966 ost->st->codec->time_base) -
1967 av_rescale_q(of->start_time,
1969 ost->st->codec->time_base);
1971 if (of->start_time && filtered_frame->pts < 0) {
1972 avfilter_unref_buffer(picref);
1976 //if (ost->source_index >= 0)
1977 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1980 switch (ost->filter->filter->inputs[0]->type) {
1981 case AVMEDIA_TYPE_VIDEO:
1982 avfilter_copy_buf_props(filtered_frame, picref);
1983 filtered_frame->pts = frame_pts;
1984 if (!ost->frame_aspect_ratio)
1985 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
1987 do_video_out(of->ctx, ost, filtered_frame,
1988 same_quant ? ost->last_quality :
1989 ost->st->codec->global_quality);
1991 case AVMEDIA_TYPE_AUDIO:
1992 avfilter_copy_buf_props(filtered_frame, picref);
1993 filtered_frame->pts = frame_pts;
1994 do_audio_out(of->ctx, ost, filtered_frame);
1997 // TODO support subtitle filters
2001 avfilter_unref_buffer(picref);
2004 /* Request frames through all the graphs */
2005 ret_all = nb_success = nb_eof = 0;
2006 for (i = 0; i < nb_filtergraphs; i++) {
2007 ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
2010 } else if (ret == AVERROR_EOF) {
2012 } else if (ret != AVERROR(EAGAIN)) {
2014 av_strerror(ret, buf, sizeof(buf));
2015 av_log(NULL, AV_LOG_WARNING,
2016 "Error in request_frame(): %s\n", buf);
2022 /* Try again if anything succeeded */
2024 return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
2027 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
2030 AVBPrint buf_script;
2032 AVFormatContext *oc;
2034 AVCodecContext *enc;
2035 int frame_number, vid, i;
2037 int64_t pts = INT64_MAX;
2038 static int64_t last_time = -1;
2039 static int qp_histogram[52];
2040 int hours, mins, secs, us;
2042 if (!print_stats && !is_last_report && !progress_avio)
2045 if (!is_last_report) {
2046 if (last_time == -1) {
2047 last_time = cur_time;
2050 if ((cur_time - last_time) < 500000)
2052 last_time = cur_time;
2056 oc = output_files[0]->ctx;
2058 total_size = avio_size(oc->pb);
2059 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
2060 total_size = avio_tell(oc->pb);
2067 av_bprint_init(&buf_script, 0, 1);
2068 for (i = 0; i < nb_output_streams; i++) {
2070 ost = output_streams[i];
2071 enc = ost->st->codec;
2072 if (!ost->stream_copy && enc->coded_frame)
2073 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
2074 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2075 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
2076 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
2077 ost->file_index, ost->index, q);
2079 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2080 float fps, t = (cur_time-timer_start) / 1000000.0;
2082 frame_number = ost->frame_number;
2083 fps = t > 1 ? frame_number / t : 0;
2084 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
2085 frame_number, fps < 9.95, fps, q);
2086 av_bprintf(&buf_script, "frame=%d\n", frame_number);
2087 av_bprintf(&buf_script, "fps=%.1f\n", fps);
2088 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
2089 ost->file_index, ost->index, q);
2091 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
2095 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
2097 for (j = 0; j < 32; j++)
2098 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
2100 if (enc->flags&CODEC_FLAG_PSNR) {
2102 double error, error_sum = 0;
2103 double scale, scale_sum = 0;
2105 char type[3] = { 'Y','U','V' };
2106 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
2107 for (j = 0; j < 3; j++) {
2108 if (is_last_report) {
2109 error = enc->error[j];
2110 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
2112 error = enc->coded_frame->error[j];
2113 scale = enc->width * enc->height * 255.0 * 255.0;
2119 p = psnr(error / scale);
2120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
2121 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
2122 ost->file_index, ost->index, type[i] | 32, p);
2124 p = psnr(error_sum / scale_sum);
2125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
2126 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
2127 ost->file_index, ost->index, p);
2131 /* compute min output value */
2132 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
2133 ost->st->time_base, AV_TIME_BASE_Q));
2136 secs = pts / AV_TIME_BASE;
2137 us = pts % AV_TIME_BASE;
2143 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
2145 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2146 "size=%8.0fkB time=", total_size / 1024.0);
2147 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2148 "%02d:%02d:%02d.%02d ", hours, mins, secs,
2149 (100 * us) / AV_TIME_BASE);
2150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2151 "bitrate=%6.1fkbits/s", bitrate);
2152 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
2153 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
2154 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
2155 hours, mins, secs, us);
2157 if (nb_frames_dup || nb_frames_drop)
2158 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
2159 nb_frames_dup, nb_frames_drop);
2160 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
2161 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
2163 if (print_stats || is_last_report) {
2164 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
2169 if (progress_avio) {
2170 av_bprintf(&buf_script, "progress=%s\n",
2171 is_last_report ? "end" : "continue");
2172 avio_write(progress_avio, buf_script.str,
2173 FFMIN(buf_script.len, buf_script.size - 1));
2174 avio_flush(progress_avio);
2175 av_bprint_finalize(&buf_script, NULL);
2176 if (is_last_report) {
2177 avio_close(progress_avio);
2178 progress_avio = NULL;
2182 if (is_last_report) {
2183 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
2184 av_log(NULL, AV_LOG_INFO, "\n");
2185 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
2186 video_size / 1024.0,
2187 audio_size / 1024.0,
2188 subtitle_size / 1024.0,
2189 extra_size / 1024.0,
2190 100.0 * (total_size - raw) / raw
2192 if(video_size + audio_size + subtitle_size + extra_size == 0){
2193 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
2198 static void flush_encoders(void)
2202 for (i = 0; i < nb_output_streams; i++) {
2203 OutputStream *ost = output_streams[i];
2204 AVCodecContext *enc = ost->st->codec;
2205 AVFormatContext *os = output_files[ost->file_index]->ctx;
2206 int stop_encoding = 0;
2208 if (!ost->encoding_needed)
2211 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
2213 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
2217 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
2221 switch (ost->st->codec->codec_type) {
2222 case AVMEDIA_TYPE_AUDIO:
2223 encode = avcodec_encode_audio2;
2227 case AVMEDIA_TYPE_VIDEO:
2228 encode = avcodec_encode_video2;
2239 av_init_packet(&pkt);
2243 update_benchmark(NULL);
2244 ret = encode(enc, &pkt, NULL, &got_packet);
2245 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
2247 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
2251 if (ost->logfile && enc->stats_out) {
2252 fprintf(ost->logfile, "%s", enc->stats_out);
2258 if (pkt.pts != AV_NOPTS_VALUE)
2259 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
2260 if (pkt.dts != AV_NOPTS_VALUE)
2261 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
2262 write_frame(os, &pkt, ost);
2272 * Check whether a packet from ist should be written into ost at this time
2274 static int check_output_constraints(InputStream *ist, OutputStream *ost)
2276 OutputFile *of = output_files[ost->file_index];
2277 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
2279 if (ost->source_index != ist_index)
2282 if (of->start_time && ist->pts < of->start_time)
2288 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2290 OutputFile *of = output_files[ost->file_index];
2291 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
2295 av_init_packet(&opkt);
2297 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2298 !ost->copy_initial_nonkeyframes)
2301 if (of->recording_time != INT64_MAX &&
2302 ist->pts >= of->recording_time + of->start_time) {
2303 ost->is_past_recording_time = 1;
2307 /* force the input stream PTS */
2308 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2309 audio_size += pkt->size;
2310 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2311 video_size += pkt->size;
2313 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2314 subtitle_size += pkt->size;
2317 if (pkt->pts != AV_NOPTS_VALUE)
2318 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
2320 opkt.pts = AV_NOPTS_VALUE;
2322 if (pkt->dts == AV_NOPTS_VALUE)
2323 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
2325 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
2326 opkt.dts -= ost_tb_start_time;
2328 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
2329 opkt.flags = pkt->flags;
2331 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2332 if ( ost->st->codec->codec_id != CODEC_ID_H264
2333 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
2334 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
2335 && ost->st->codec->codec_id != CODEC_ID_VC1
2337 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
2338 opkt.destruct = av_destruct_packet;
2340 opkt.data = pkt->data;
2341 opkt.size = pkt->size;
2343 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
2344 /* store AVPicture in AVPacket, as expected by the output format */
2345 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
2346 opkt.data = (uint8_t *)&pict;
2347 opkt.size = sizeof(AVPicture);
2348 opkt.flags |= AV_PKT_FLAG_KEY;
2351 write_frame(of->ctx, &opkt, ost);
2352 ost->st->codec->frame_number++;
2353 av_free_packet(&opkt);
2356 static void rate_emu_sleep(InputStream *ist)
2358 if (input_files[ist->file_index]->rate_emu) {
2359 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2360 int64_t now = av_gettime() - ist->start;
2362 av_usleep(pts - now);
2366 static int guess_input_channel_layout(InputStream *ist)
2368 AVCodecContext *dec = ist->st->codec;
2370 if (!dec->channel_layout) {
2371 char layout_name[256];
2373 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2374 if (!dec->channel_layout)
2376 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2377 dec->channels, dec->channel_layout);
2378 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2379 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2384 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2386 AVFrame *decoded_frame;
2387 AVCodecContext *avctx = ist->st->codec;
2388 int i, ret, resample_changed;
2390 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2391 return AVERROR(ENOMEM);
2393 avcodec_get_frame_defaults(ist->decoded_frame);
2394 decoded_frame = ist->decoded_frame;
2395 av_codec_set_pkt_timebase(avctx, ist->st->time_base);
2397 update_benchmark(NULL);
2398 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2399 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2403 if (avctx->sample_rate <= 0) {
2404 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2405 return AVERROR_INVALIDDATA;
2409 /* no audio frame */
2411 for (i = 0; i < ist->nb_filters; i++)
2412 av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
2413 AV_BUFFERSRC_FLAG_NO_COPY);
2417 /* if the decoder provides a pts, use it instead of the last packet pts.
2418 the decoder could be delaying output by a packet or more. */
2419 if (decoded_frame->pts != AV_NOPTS_VALUE)
2420 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2421 else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
2422 decoded_frame->pts = decoded_frame->pkt_pts;
2423 pkt->pts = AV_NOPTS_VALUE;
2424 } else if (pkt->pts != AV_NOPTS_VALUE) {
2425 decoded_frame->pts = pkt->pts;
2426 pkt->pts = AV_NOPTS_VALUE;
2428 decoded_frame->pts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2432 /* increment next_dts to use for the case where the input stream does not
2433 have timestamps or there are multiple frames in the packet */
2434 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2436 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2440 rate_emu_sleep(ist);
2442 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
2443 ist->resample_channels != avctx->channels ||
2444 ist->resample_channel_layout != decoded_frame->channel_layout ||
2445 ist->resample_sample_rate != decoded_frame->sample_rate;
2446 if (resample_changed) {
2447 char layout1[64], layout2[64];
2449 if (!guess_input_channel_layout(ist)) {
2450 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2451 "layout for Input Stream #%d.%d\n", ist->file_index,
2455 decoded_frame->channel_layout = avctx->channel_layout;
2457 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
2458 ist->resample_channel_layout);
2459 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
2460 decoded_frame->channel_layout);
2462 av_log(NULL, AV_LOG_INFO,
2463 "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",
2464 ist->file_index, ist->st->index,
2465 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
2466 ist->resample_channels, layout1,
2467 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
2468 avctx->channels, layout2);
2470 ist->resample_sample_fmt = decoded_frame->format;
2471 ist->resample_sample_rate = decoded_frame->sample_rate;
2472 ist->resample_channel_layout = decoded_frame->channel_layout;
2473 ist->resample_channels = avctx->channels;
2475 for (i = 0; i < nb_filtergraphs; i++)
2476 if (ist_in_filtergraph(filtergraphs[i], ist)) {
2477 FilterGraph *fg = filtergraphs[i];
2479 if (configure_filtergraph(fg) < 0) {
2480 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2483 for (j = 0; j < fg->nb_outputs; j++) {
2484 OutputStream *ost = fg->outputs[j]->ost;
2485 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2486 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2487 av_buffersink_set_frame_size(ost->filter->filter,
2488 ost->st->codec->frame_size);
2493 if (decoded_frame->pts != AV_NOPTS_VALUE)
2494 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
2496 (AVRational){1, ist->st->codec->sample_rate});
2497 for (i = 0; i < ist->nb_filters; i++)
2498 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
2503 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
2505 AVFrame *decoded_frame;
2506 void *buffer_to_free = NULL;
2507 int i, ret = 0, resample_changed;
2508 int64_t best_effort_timestamp;
2509 AVRational *frame_sample_aspect;
2512 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2513 return AVERROR(ENOMEM);
2515 avcodec_get_frame_defaults(ist->decoded_frame);
2516 decoded_frame = ist->decoded_frame;
2517 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
2518 av_codec_set_pkt_timebase(ist->st->codec, ist->st->time_base);
2520 update_benchmark(NULL);
2521 ret = avcodec_decode_video2(ist->st->codec,
2522 decoded_frame, got_output, pkt);
2523 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2527 quality = same_quant ? decoded_frame->quality : 0;
2529 /* no picture yet */
2531 for (i = 0; i < ist->nb_filters; i++)
2532 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
2536 if(ist->top_field_first>=0)
2537 decoded_frame->top_field_first = ist->top_field_first;
2539 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2540 if(best_effort_timestamp != AV_NOPTS_VALUE)
2541 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2544 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2545 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
2546 ist->st->index, av_ts2str(decoded_frame->pts),
2547 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2548 best_effort_timestamp,
2549 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2550 decoded_frame->key_frame, decoded_frame->pict_type);
2554 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2556 rate_emu_sleep(ist);
2558 if (ist->st->sample_aspect_ratio.num)
2559 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2561 resample_changed = ist->resample_width != decoded_frame->width ||
2562 ist->resample_height != decoded_frame->height ||
2563 ist->resample_pix_fmt != decoded_frame->format;
2564 if (resample_changed) {
2565 av_log(NULL, AV_LOG_INFO,
2566 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2567 ist->file_index, ist->st->index,
2568 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2569 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2571 ist->resample_width = decoded_frame->width;
2572 ist->resample_height = decoded_frame->height;
2573 ist->resample_pix_fmt = decoded_frame->format;
2575 for (i = 0; i < nb_filtergraphs; i++)
2576 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2577 configure_filtergraph(filtergraphs[i]) < 0) {
2578 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2583 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2584 for (i = 0; i < ist->nb_filters; i++) {
2585 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
2586 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
2587 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
2588 // XXX what an ugly hack
2589 if (ist->filters[i]->graph->nb_outputs == 1)
2590 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2592 if (!frame_sample_aspect->num)
2593 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2594 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
2595 FrameBuffer *buf = decoded_frame->opaque;
2596 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2597 decoded_frame->data, decoded_frame->linesize,
2598 AV_PERM_READ | AV_PERM_PRESERVE,
2599 ist->st->codec->width, ist->st->codec->height,
2600 ist->st->codec->pix_fmt);
2602 avfilter_copy_frame_props(fb, decoded_frame);
2603 fb->buf->priv = buf;
2604 fb->buf->free = filter_release_buffer;
2606 av_assert0(buf->refcount>0);
2608 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
2609 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
2610 AV_BUFFERSRC_FLAG_NO_COPY);
2612 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
2613 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2619 av_free(buffer_to_free);
2623 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2625 AVSubtitle subtitle;
2626 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2627 &subtitle, got_output, pkt);
2633 rate_emu_sleep(ist);
2635 for (i = 0; i < nb_output_streams; i++) {
2636 OutputStream *ost = output_streams[i];
2638 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2641 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
2644 avsubtitle_free(&subtitle);
2648 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2649 static int output_packet(InputStream *ist, const AVPacket *pkt)
2655 if (!ist->saw_first_ts) {
2656 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;
2658 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2659 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2660 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2662 ist->saw_first_ts = 1;
2665 if (ist->next_dts == AV_NOPTS_VALUE)
2666 ist->next_dts = ist->dts;
2667 if (ist->next_pts == AV_NOPTS_VALUE)
2668 ist->next_pts = ist->pts;
2672 av_init_packet(&avpkt);
2680 if (pkt->dts != AV_NOPTS_VALUE) {
2681 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2682 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2683 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2686 // while we have more to decode or while the decoder did output something on EOF
2687 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2691 ist->pts = ist->next_pts;
2692 ist->dts = ist->next_dts;
2694 if (avpkt.size && avpkt.size != pkt->size) {
2695 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2696 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2697 ist->showed_multi_packet_warning = 1;
2700 switch (ist->st->codec->codec_type) {
2701 case AVMEDIA_TYPE_AUDIO:
2702 ret = decode_audio (ist, &avpkt, &got_output);
2704 case AVMEDIA_TYPE_VIDEO:
2705 ret = decode_video (ist, &avpkt, &got_output);
2706 if (avpkt.duration) {
2707 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2708 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2709 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2710 duration = ((int64_t)AV_TIME_BASE *
2711 ist->st->codec->time_base.num * ticks) /
2712 ist->st->codec->time_base.den;
2716 if(ist->dts != AV_NOPTS_VALUE && duration) {
2717 ist->next_dts += duration;
2719 ist->next_dts = AV_NOPTS_VALUE;
2722 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2724 case AVMEDIA_TYPE_SUBTITLE:
2725 ret = transcode_subtitles(ist, &avpkt, &got_output);
2735 avpkt.pts= AV_NOPTS_VALUE;
2737 // touch data and size only if not EOF
2739 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2749 /* handle stream copy */
2750 if (!ist->decoding_needed) {
2751 rate_emu_sleep(ist);
2752 ist->dts = ist->next_dts;
2753 switch (ist->st->codec->codec_type) {
2754 case AVMEDIA_TYPE_AUDIO:
2755 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2756 ist->st->codec->sample_rate;
2758 case AVMEDIA_TYPE_VIDEO:
2759 if (pkt->duration) {
2760 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2761 } else if(ist->st->codec->time_base.num != 0) {
2762 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2763 ist->next_dts += ((int64_t)AV_TIME_BASE *
2764 ist->st->codec->time_base.num * ticks) /
2765 ist->st->codec->time_base.den;
2769 ist->pts = ist->dts;
2770 ist->next_pts = ist->next_dts;
2772 for (i = 0; pkt && i < nb_output_streams; i++) {
2773 OutputStream *ost = output_streams[i];
2775 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2778 do_streamcopy(ist, ost, pkt);
2784 static void print_sdp(void)
2788 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2792 for (i = 0; i < nb_output_files; i++)
2793 avc[i] = output_files[i]->ctx;
2795 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2796 printf("SDP:\n%s\n", sdp);
2801 static int init_input_stream(int ist_index, char *error, int error_len)
2803 InputStream *ist = input_streams[ist_index];
2805 if (ist->decoding_needed) {
2806 AVCodec *codec = ist->dec;
2808 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2809 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2810 return AVERROR(EINVAL);
2813 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
2814 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2815 ist->st->codec->get_buffer = codec_get_buffer;
2816 ist->st->codec->release_buffer = codec_release_buffer;
2817 ist->st->codec->opaque = &ist->buffer_pool;
2820 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2821 av_dict_set(&ist->opts, "threads", "auto", 0);
2822 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2823 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2824 ist->file_index, ist->st->index);
2825 return AVERROR(EINVAL);
2827 assert_codec_experimental(ist->st->codec, 0);
2828 assert_avoptions(ist->opts);
2831 ist->next_pts = AV_NOPTS_VALUE;
2832 ist->next_dts = AV_NOPTS_VALUE;
2838 static InputStream *get_input_stream(OutputStream *ost)
2840 if (ost->source_index >= 0)
2841 return input_streams[ost->source_index];
2845 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2846 AVCodecContext *avctx)
2852 for (p = kf; *p; p++)
2855 ost->forced_kf_count = n;
2856 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2857 if (!ost->forced_kf_pts) {
2858 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2863 for (i = 0; i < n; i++) {
2864 char *next = strchr(p, ',');
2869 t = parse_time_or_die("force_key_frames", p, 1);
2870 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2876 static int transcode_init(void)
2878 int ret = 0, i, j, k;
2879 AVFormatContext *oc;
2880 AVCodecContext *codec, *icodec = NULL;
2886 /* init framerate emulation */
2887 for (i = 0; i < nb_input_files; i++) {
2888 InputFile *ifile = input_files[i];
2889 if (ifile->rate_emu)
2890 for (j = 0; j < ifile->nb_streams; j++)
2891 input_streams[j + ifile->ist_index]->start = av_gettime();
2894 /* output stream init */
2895 for (i = 0; i < nb_output_files; i++) {
2896 oc = output_files[i]->ctx;
2897 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2898 av_dump_format(oc, i, oc->filename, 1);
2899 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2900 return AVERROR(EINVAL);
2904 /* init complex filtergraphs */
2905 for (i = 0; i < nb_filtergraphs; i++)
2906 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2909 /* for each output stream, we compute the right encoding parameters */
2910 for (i = 0; i < nb_output_streams; i++) {
2911 ost = output_streams[i];
2912 oc = output_files[ost->file_index]->ctx;
2913 ist = get_input_stream(ost);
2915 if (ost->attachment_filename)
2918 codec = ost->st->codec;
2921 icodec = ist->st->codec;
2923 ost->st->disposition = ist->st->disposition;
2924 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2925 codec->chroma_sample_location = icodec->chroma_sample_location;
2928 if (ost->stream_copy) {
2929 uint64_t extra_size;
2931 av_assert0(ist && !ost->filter);
2933 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2935 if (extra_size > INT_MAX) {
2936 return AVERROR(EINVAL);
2939 /* if stream_copy is selected, no need to decode or encode */
2940 codec->codec_id = icodec->codec_id;
2941 codec->codec_type = icodec->codec_type;
2943 if (!codec->codec_tag) {
2944 if (!oc->oformat->codec_tag ||
2945 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2946 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2947 codec->codec_tag = icodec->codec_tag;
2950 codec->bit_rate = icodec->bit_rate;
2951 codec->rc_max_rate = icodec->rc_max_rate;
2952 codec->rc_buffer_size = icodec->rc_buffer_size;
2953 codec->field_order = icodec->field_order;
2954 codec->extradata = av_mallocz(extra_size);
2955 if (!codec->extradata) {
2956 return AVERROR(ENOMEM);
2958 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2959 codec->extradata_size= icodec->extradata_size;
2960 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2962 codec->time_base = ist->st->time_base;
2964 * Avi is a special case here because it supports variable fps but
2965 * having the fps and timebase differe significantly adds quite some
2968 if(!strcmp(oc->oformat->name, "avi")) {
2969 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2970 && av_q2d(ist->st->time_base) < 1.0/500
2972 codec->time_base = icodec->time_base;
2973 codec->time_base.num *= icodec->ticks_per_frame;
2974 codec->time_base.den *= 2;
2975 codec->ticks_per_frame = 2;
2977 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2978 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2979 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2981 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2982 && av_q2d(ist->st->time_base) < 1.0/500
2984 codec->time_base = icodec->time_base;
2985 codec->time_base.num *= icodec->ticks_per_frame;
2989 if(ost->frame_rate.num)
2990 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2992 av_reduce(&codec->time_base.num, &codec->time_base.den,
2993 codec->time_base.num, codec->time_base.den, INT_MAX);
2995 switch (codec->codec_type) {
2996 case AVMEDIA_TYPE_AUDIO:
2997 if (audio_volume != 256) {
2998 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
3001 codec->channel_layout = icodec->channel_layout;
3002 codec->sample_rate = icodec->sample_rate;
3003 codec->channels = icodec->channels;
3004 codec->frame_size = icodec->frame_size;
3005 codec->audio_service_type = icodec->audio_service_type;
3006 codec->block_align = icodec->block_align;
3007 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == CODEC_ID_MP3)
3008 codec->block_align= 0;
3009 if(codec->codec_id == CODEC_ID_AC3)
3010 codec->block_align= 0;
3012 case AVMEDIA_TYPE_VIDEO:
3013 codec->pix_fmt = icodec->pix_fmt;
3014 codec->width = icodec->width;
3015 codec->height = icodec->height;
3016 codec->has_b_frames = icodec->has_b_frames;
3017 if (!codec->sample_aspect_ratio.num) {
3018 codec->sample_aspect_ratio =
3019 ost->st->sample_aspect_ratio =
3020 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
3021 ist->st->codec->sample_aspect_ratio.num ?
3022 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
3024 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
3026 case AVMEDIA_TYPE_SUBTITLE:
3027 codec->width = icodec->width;
3028 codec->height = icodec->height;
3030 case AVMEDIA_TYPE_DATA:
3031 case AVMEDIA_TYPE_ATTACHMENT:
3038 ost->enc = avcodec_find_encoder(codec->codec_id);
3040 /* should only happen when a default codec is not present. */
3041 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
3042 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
3043 ret = AVERROR(EINVAL);
3048 ist->decoding_needed = 1;
3049 ost->encoding_needed = 1;
3051 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3052 if (ost->filter && !ost->frame_rate.num)
3053 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
3054 if (ist && !ost->frame_rate.num)
3055 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
3056 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
3057 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3058 ost->frame_rate = ost->enc->supported_framerates[idx];
3063 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3064 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3066 fg = init_simple_filtergraph(ist, ost);
3067 if (configure_filtergraph(fg)) {
3068 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
3073 switch (codec->codec_type) {
3074 case AVMEDIA_TYPE_AUDIO:
3075 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
3076 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
3077 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
3078 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
3079 codec->time_base = (AVRational){ 1, codec->sample_rate };
3081 case AVMEDIA_TYPE_VIDEO:
3082 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
3083 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
3084 codec->time_base = ost->filter->filter->inputs[0]->time_base;
3085 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3086 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3087 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3088 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3090 for (j = 0; j < ost->forced_kf_count; j++)
3091 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3095 codec->width = ost->filter->filter->inputs[0]->w;
3096 codec->height = ost->filter->filter->inputs[0]->h;
3097 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3098 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
3099 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
3100 ost->filter->filter->inputs[0]->sample_aspect_ratio;
3101 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
3104 codec->width != icodec->width ||
3105 codec->height != icodec->height ||
3106 codec->pix_fmt != icodec->pix_fmt) {
3107 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
3110 if (ost->forced_keyframes)
3111 parse_forced_key_frames(ost->forced_keyframes, ost,
3114 case AVMEDIA_TYPE_SUBTITLE:
3115 codec->time_base = (AVRational){1, 1000};
3122 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
3123 char logfilename[1024];
3126 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
3127 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
3129 if (!strcmp(ost->enc->name, "libx264")) {
3130 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
3132 if (codec->flags & CODEC_FLAG_PASS2) {
3134 size_t logbuffer_size;
3135 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3136 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3140 codec->stats_in = logbuffer;
3142 if (codec->flags & CODEC_FLAG_PASS1) {
3143 f = fopen(logfilename, "wb");
3145 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3146 logfilename, strerror(errno));
3156 /* open each encoder */
3157 for (i = 0; i < nb_output_streams; i++) {
3158 ost = output_streams[i];
3159 if (ost->encoding_needed) {
3160 AVCodec *codec = ost->enc;
3161 AVCodecContext *dec = NULL;
3163 if ((ist = get_input_stream(ost)))
3164 dec = ist->st->codec;
3165 if (dec && dec->subtitle_header) {
3166 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
3167 if (!ost->st->codec->subtitle_header) {
3168 ret = AVERROR(ENOMEM);
3171 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3172 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
3174 if (!av_dict_get(ost->opts, "threads", NULL, 0))
3175 av_dict_set(&ost->opts, "threads", "auto", 0);
3176 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
3177 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3178 ost->file_index, ost->index);
3179 ret = AVERROR(EINVAL);
3182 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3183 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3184 av_buffersink_set_frame_size(ost->filter->filter,
3185 ost->st->codec->frame_size);
3186 assert_codec_experimental(ost->st->codec, 1);
3187 assert_avoptions(ost->opts);
3188 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
3189 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3190 " It takes bits/s as argument, not kbits/s\n");
3191 extra_size += ost->st->codec->extradata_size;
3193 if (ost->st->codec->me_threshold)
3194 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
3198 /* init input streams */
3199 for (i = 0; i < nb_input_streams; i++)
3200 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
3203 /* discard unused programs */
3204 for (i = 0; i < nb_input_files; i++) {
3205 InputFile *ifile = input_files[i];
3206 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3207 AVProgram *p = ifile->ctx->programs[j];
3208 int discard = AVDISCARD_ALL;
3210 for (k = 0; k < p->nb_stream_indexes; k++)
3211 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3212 discard = AVDISCARD_DEFAULT;
3215 p->discard = discard;
3219 /* open files and write file headers */
3220 for (i = 0; i < nb_output_files; i++) {
3221 oc = output_files[i]->ctx;
3222 oc->interrupt_callback = int_cb;
3223 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3225 const char *errbuf_ptr = errbuf;
3226 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
3227 errbuf_ptr = strerror(AVUNERROR(ret));
3228 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
3229 ret = AVERROR(EINVAL);
3232 // assert_avoptions(output_files[i]->opts);
3233 if (strcmp(oc->oformat->name, "rtp")) {
3239 /* dump the file output parameters - cannot be done before in case
3241 for (i = 0; i < nb_output_files; i++) {
3242 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3245 /* dump the stream mapping */
3246 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3247 for (i = 0; i < nb_input_streams; i++) {
3248 ist = input_streams[i];
3250 for (j = 0; j < ist->nb_filters; j++) {
3251 if (ist->filters[j]->graph->graph_desc) {
3252 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3253 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3254 ist->filters[j]->name);
3255 if (nb_filtergraphs > 1)
3256 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3257 av_log(NULL, AV_LOG_INFO, "\n");
3262 for (i = 0; i < nb_output_streams; i++) {
3263 ost = output_streams[i];
3265 if (ost->attachment_filename) {
3266 /* an attached file */
3267 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3268 ost->attachment_filename, ost->file_index, ost->index);
3272 if (ost->filter && ost->filter->graph->graph_desc) {
3273 /* output from a complex graph */
3274 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3275 if (nb_filtergraphs > 1)
3276 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3278 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3279 ost->index, ost->enc ? ost->enc->name : "?");
3283 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3284 input_streams[ost->source_index]->file_index,
3285 input_streams[ost->source_index]->st->index,
3288 if (ost->sync_ist != input_streams[ost->source_index])
3289 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3290 ost->sync_ist->file_index,
3291 ost->sync_ist->st->index);
3292 if (ost->stream_copy)
3293 av_log(NULL, AV_LOG_INFO, " (copy)");
3295 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
3296 input_streams[ost->source_index]->dec->name : "?",
3297 ost->enc ? ost->enc->name : "?");
3298 av_log(NULL, AV_LOG_INFO, "\n");
3302 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3314 * @return 1 if there are still streams where more output is wanted,
3317 static int need_output(void)
3321 for (i = 0; i < nb_output_streams; i++) {
3322 OutputStream *ost = output_streams[i];
3323 OutputFile *of = output_files[ost->file_index];
3324 AVFormatContext *os = output_files[ost->file_index]->ctx;
3326 if (ost->is_past_recording_time ||
3327 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3329 if (ost->frame_number >= ost->max_frames) {
3331 for (j = 0; j < of->ctx->nb_streams; j++)
3332 output_streams[of->ost_index + j]->is_past_recording_time = 1;
3342 static int select_input_file(uint8_t *no_packet)
3344 int64_t ipts_min = INT64_MAX;
3345 int i, file_index = -1;
3347 for (i = 0; i < nb_input_streams; i++) {
3348 InputStream *ist = input_streams[i];
3349 int64_t ipts = ist->pts;
3351 if (ist->discard || no_packet[ist->file_index])
3353 if (!input_files[ist->file_index]->eof_reached) {
3354 if (ipts < ipts_min) {
3356 file_index = ist->file_index;
3364 static int check_keyboard_interaction(int64_t cur_time)
3367 static int64_t last_time;
3368 if (received_nb_signals)
3369 return AVERROR_EXIT;
3370 /* read_key() returns 0 on EOF */
3371 if(cur_time - last_time >= 100000 && !run_as_daemon){
3373 last_time = cur_time;
3377 return AVERROR_EXIT;
3378 if (key == '+') av_log_set_level(av_log_get_level()+10);
3379 if (key == '-') av_log_set_level(av_log_get_level()-10);
3380 if (key == 's') qp_hist ^= 1;
3383 do_hex_dump = do_pkt_dump = 0;
3384 } else if(do_pkt_dump){
3388 av_log_set_level(AV_LOG_DEBUG);
3390 if (key == 'c' || key == 'C'){
3391 char buf[4096], target[64], command[256], arg[256] = {0};
3394 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
3396 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3401 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3402 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3403 target, time, command, arg);
3404 for (i = 0; i < nb_filtergraphs; i++) {
3405 FilterGraph *fg = filtergraphs[i];
3408 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3409 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3410 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
3412 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3417 av_log(NULL, AV_LOG_ERROR,
3418 "Parse error, at least 3 arguments were expected, "
3419 "only %d given in string '%s'\n", n, buf);
3422 if (key == 'd' || key == 'D'){
3425 debug = input_streams[0]->st->codec->debug<<1;
3426 if(!debug) debug = 1;
3427 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3430 if(scanf("%d", &debug)!=1)
3431 fprintf(stderr,"error parsing debug value\n");
3432 for(i=0;i<nb_input_streams;i++) {
3433 input_streams[i]->st->codec->debug = debug;
3435 for(i=0;i<nb_output_streams;i++) {
3436 OutputStream *ost = output_streams[i];
3437 ost->st->codec->debug = debug;
3439 if(debug) av_log_set_level(AV_LOG_DEBUG);
3440 fprintf(stderr,"debug=%d\n", debug);
3443 fprintf(stderr, "key function\n"
3444 "? show this help\n"
3445 "+ increase verbosity\n"
3446 "- decrease verbosity\n"
3447 "c Send command to filtergraph\n"
3448 "D cycle through available debug modes\n"
3449 "h dump packets/hex press to cycle through the 3 states\n"
3451 "s Show QP histogram\n"
3458 static void *input_thread(void *arg)
3463 while (!transcoding_finished && ret >= 0) {
3465 ret = av_read_frame(f->ctx, &pkt);
3467 if (ret == AVERROR(EAGAIN)) {
3474 pthread_mutex_lock(&f->fifo_lock);
3475 while (!av_fifo_space(f->fifo))
3476 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
3478 av_dup_packet(&pkt);
3479 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
3481 pthread_mutex_unlock(&f->fifo_lock);
3488 static void free_input_threads(void)
3492 if (nb_input_files == 1)
3495 transcoding_finished = 1;
3497 for (i = 0; i < nb_input_files; i++) {
3498 InputFile *f = input_files[i];
3501 if (!f->fifo || f->joined)
3504 pthread_mutex_lock(&f->fifo_lock);
3505 while (av_fifo_size(f->fifo)) {
3506 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3507 av_free_packet(&pkt);
3509 pthread_cond_signal(&f->fifo_cond);
3510 pthread_mutex_unlock(&f->fifo_lock);
3512 pthread_join(f->thread, NULL);
3515 while (av_fifo_size(f->fifo)) {
3516 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
3517 av_free_packet(&pkt);
3519 av_fifo_free(f->fifo);
3523 static int init_input_threads(void)
3527 if (nb_input_files == 1)
3530 for (i = 0; i < nb_input_files; i++) {
3531 InputFile *f = input_files[i];
3533 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
3534 return AVERROR(ENOMEM);
3536 pthread_mutex_init(&f->fifo_lock, NULL);
3537 pthread_cond_init (&f->fifo_cond, NULL);
3539 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
3540 return AVERROR(ret);
3545 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3549 pthread_mutex_lock(&f->fifo_lock);
3551 if (av_fifo_size(f->fifo)) {
3552 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
3553 pthread_cond_signal(&f->fifo_cond);
3558 ret = AVERROR(EAGAIN);
3561 pthread_mutex_unlock(&f->fifo_lock);
3567 static int get_input_packet(InputFile *f, AVPacket *pkt)
3570 if (nb_input_files > 1)
3571 return get_input_packet_mt(f, pkt);
3573 return av_read_frame(f->ctx, pkt);
3577 * The following code is the main loop of the file converter
3579 static int transcode(void)
3582 AVFormatContext *is, *os;
3586 int no_packet_count = 0;
3587 int64_t timer_start;
3589 if (!(no_packet = av_mallocz(nb_input_files)))
3592 ret = transcode_init();
3596 if (stdin_interaction) {
3597 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3600 timer_start = av_gettime();
3603 if ((ret = init_input_threads()) < 0)
3607 for (; received_sigterm == 0;) {
3608 int file_index, ist_index;
3610 int64_t cur_time= av_gettime();
3612 /* if 'q' pressed, exits */
3613 if (stdin_interaction)
3614 if (check_keyboard_interaction(cur_time) < 0)
3617 /* check if there's any stream where output is still needed */
3618 if (!need_output()) {
3619 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3623 /* select the stream that we must read now */
3624 file_index = select_input_file(no_packet);
3625 /* if none, if is finished */
3626 if (file_index < 0) {
3627 if (no_packet_count) {
3628 no_packet_count = 0;
3629 memset(no_packet, 0, nb_input_files);
3633 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3637 is = input_files[file_index]->ctx;
3638 ret = get_input_packet(input_files[file_index], &pkt);
3640 if (ret == AVERROR(EAGAIN)) {
3641 no_packet[file_index] = 1;
3646 if (ret != AVERROR_EOF) {
3647 print_error(is->filename, ret);
3651 input_files[file_index]->eof_reached = 1;
3653 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
3654 ist = input_streams[input_files[file_index]->ist_index + i];
3655 if (ist->decoding_needed)
3656 output_packet(ist, NULL);
3665 no_packet_count = 0;
3666 memset(no_packet, 0, nb_input_files);
3669 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3670 is->streams[pkt.stream_index]);
3672 /* the following test is needed in case new streams appear
3673 dynamically in stream : we ignore them */
3674 if (pkt.stream_index >= input_files[file_index]->nb_streams)
3675 goto discard_packet;
3676 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
3677 ist = input_streams[ist_index];
3679 goto discard_packet;
3681 if (pkt.dts != AV_NOPTS_VALUE)
3682 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3683 if (pkt.pts != AV_NOPTS_VALUE)
3684 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3686 if (pkt.pts != AV_NOPTS_VALUE)
3687 pkt.pts *= ist->ts_scale;
3688 if (pkt.dts != AV_NOPTS_VALUE)
3689 pkt.dts *= ist->ts_scale;
3692 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3693 "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",
3694 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3695 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &ist->st->time_base),
3696 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3697 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3698 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3699 input_files[ist->file_index]->ts_offset);
3702 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3703 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3704 int64_t delta = pkt_dts - ist->next_dts;
3705 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3706 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3707 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3708 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3709 pkt_dts+1<ist->pts){
3710 input_files[ist->file_index]->ts_offset -= delta;
3711 av_log(NULL, AV_LOG_DEBUG,
3712 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3713 delta, input_files[ist->file_index]->ts_offset);
3714 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3715 if (pkt.pts != AV_NOPTS_VALUE)
3716 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3719 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3720 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3721 pkt_dts+1<ist->pts){
3722 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3723 pkt.dts = AV_NOPTS_VALUE;
3725 if (pkt.pts != AV_NOPTS_VALUE){
3726 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3727 delta = pkt_pts - ist->next_dts;
3728 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3729 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3730 pkt_pts+1<ist->pts) {
3731 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3732 pkt.pts = AV_NOPTS_VALUE;
3738 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3739 if ((ret = output_packet(ist, &pkt)) < 0 ||
3740 ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
3742 av_strerror(ret, buf, sizeof(buf));
3743 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3744 ist->file_index, ist->st->index, buf);
3747 av_free_packet(&pkt);
3752 av_free_packet(&pkt);
3754 /* dump report by using the output first video and audio streams */
3755 print_report(0, timer_start, cur_time);
3758 free_input_threads();
3761 /* at the end of stream, we must flush the decoder buffers */
3762 for (i = 0; i < nb_input_streams; i++) {
3763 ist = input_streams[i];
3764 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3765 output_packet(ist, NULL);
3773 /* write the trailer if needed and close file */
3774 for (i = 0; i < nb_output_files; i++) {
3775 os = output_files[i]->ctx;
3776 av_write_trailer(os);
3779 /* dump report by using the first video and audio streams */
3780 print_report(1, timer_start, av_gettime());
3782 /* close each encoder */
3783 for (i = 0; i < nb_output_streams; i++) {
3784 ost = output_streams[i];
3785 if (ost->encoding_needed) {
3786 av_freep(&ost->st->codec->stats_in);
3787 avcodec_close(ost->st->codec);
3791 /* close each decoder */
3792 for (i = 0; i < nb_input_streams; i++) {
3793 ist = input_streams[i];
3794 if (ist->decoding_needed) {
3795 avcodec_close(ist->st->codec);
3803 av_freep(&no_packet);
3805 free_input_threads();
3808 if (output_streams) {
3809 for (i = 0; i < nb_output_streams; i++) {
3810 ost = output_streams[i];
3812 if (ost->stream_copy)
3813 av_freep(&ost->st->codec->extradata);
3815 fclose(ost->logfile);
3816 ost->logfile = NULL;
3818 av_freep(&ost->st->codec->subtitle_header);
3819 av_free(ost->forced_kf_pts);
3820 av_dict_free(&ost->opts);
3827 static int opt_frame_crop(const char *opt, const char *arg)
3829 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3830 return AVERROR(EINVAL);
3833 static int opt_pad(const char *opt, const char *arg)
3835 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3839 static int opt_video_channel(const char *opt, const char *arg)
3841 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3842 return opt_default("channel", arg);
3845 static int opt_video_standard(const char *opt, const char *arg)
3847 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3848 return opt_default("standard", arg);
3851 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3853 audio_codec_name = arg;
3854 return parse_option(o, "codec:a", arg, options);
3857 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3859 video_codec_name = arg;
3860 return parse_option(o, "codec:v", arg, options);
3863 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3865 subtitle_codec_name = arg;
3866 return parse_option(o, "codec:s", arg, options);
3869 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3871 return parse_option(o, "codec:d", arg, options);
3874 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3876 StreamMap *m = NULL;
3877 int i, negative = 0, file_idx;
3878 int sync_file_idx = -1, sync_stream_idx = 0;
3886 map = av_strdup(arg);
3888 /* parse sync stream first, just pick first matching stream */
3889 if (sync = strchr(map, ',')) {
3891 sync_file_idx = strtol(sync + 1, &sync, 0);
3892 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3893 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3898 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3899 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3900 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
3901 sync_stream_idx = i;
3904 if (i == input_files[sync_file_idx]->nb_streams) {
3905 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3906 "match any streams.\n", arg);
3912 if (map[0] == '[') {
3913 /* this mapping refers to lavfi output */
3914 const char *c = map + 1;
3915 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3916 &o->nb_stream_maps, o->nb_stream_maps + 1);
3917 m = &o->stream_maps[o->nb_stream_maps - 1];
3918 m->linklabel = av_get_token(&c, "]");
3919 if (!m->linklabel) {
3920 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3924 file_idx = strtol(map, &p, 0);
3925 if (file_idx >= nb_input_files || file_idx < 0) {
3926 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3930 /* disable some already defined maps */
3931 for (i = 0; i < o->nb_stream_maps; i++) {
3932 m = &o->stream_maps[i];
3933 if (file_idx == m->file_index &&
3934 check_stream_specifier(input_files[m->file_index]->ctx,
3935 input_files[m->file_index]->ctx->streams[m->stream_index],
3936 *p == ':' ? p + 1 : p) > 0)
3940 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3941 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3942 *p == ':' ? p + 1 : p) <= 0)
3944 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3945 &o->nb_stream_maps, o->nb_stream_maps + 1);
3946 m = &o->stream_maps[o->nb_stream_maps - 1];
3948 m->file_index = file_idx;
3949 m->stream_index = i;
3951 if (sync_file_idx >= 0) {
3952 m->sync_file_index = sync_file_idx;
3953 m->sync_stream_index = sync_stream_idx;
3955 m->sync_file_index = file_idx;
3956 m->sync_stream_index = i;
3962 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3970 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3972 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3973 &o->nb_attachments, o->nb_attachments + 1);
3974 o->attachments[o->nb_attachments - 1] = arg;
3978 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3984 o->audio_channel_maps =
3985 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3986 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3987 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3989 /* muted channel syntax */
3990 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3991 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3992 m->file_idx = m->stream_idx = -1;
3994 m->ofile_idx = m->ostream_idx = -1;
3999 n = sscanf(arg, "%d.%d.%d:%d.%d",
4000 &m->file_idx, &m->stream_idx, &m->channel_idx,
4001 &m->ofile_idx, &m->ostream_idx);
4003 if (n != 3 && n != 5) {
4004 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
4005 "[file.stream.channel|-1][:syncfile:syncstream]\n");
4009 if (n != 5) // only file.stream.channel specified
4010 m->ofile_idx = m->ostream_idx = -1;
4013 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
4014 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
4018 if (m->stream_idx < 0 ||
4019 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
4020 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
4021 m->file_idx, m->stream_idx);
4024 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
4025 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
4026 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
4027 m->file_idx, m->stream_idx);
4030 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
4031 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
4032 m->file_idx, m->stream_idx, m->channel_idx);
4039 * Parse a metadata specifier in arg.
4040 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
4041 * @param index for type c/p, chapter/program index is written here
4042 * @param stream_spec for type s, the stream specifier is written here
4044 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
4052 if (*(++arg) && *arg != ':') {
4053 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
4056 *stream_spec = *arg == ':' ? arg + 1 : "";
4060 if (*(++arg) == ':')
4061 *index = strtol(++arg, NULL, 0);
4064 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
4071 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
4073 AVDictionary **meta_in = NULL;
4074 AVDictionary **meta_out = NULL;
4076 char type_in, type_out;
4077 const char *istream_spec = NULL, *ostream_spec = NULL;
4078 int idx_in = 0, idx_out = 0;
4080 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
4081 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
4084 if (type_out == 'g' || !*outspec)
4085 o->metadata_global_manual = 1;
4086 if (type_out == 's' || !*outspec)
4087 o->metadata_streams_manual = 1;
4088 if (type_out == 'c' || !*outspec)
4089 o->metadata_chapters_manual = 1;
4093 if (type_in == 'g' || type_out == 'g')
4094 o->metadata_global_manual = 1;
4095 if (type_in == 's' || type_out == 's')
4096 o->metadata_streams_manual = 1;
4097 if (type_in == 'c' || type_out == 'c')
4098 o->metadata_chapters_manual = 1;
4100 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
4101 if ((index) < 0 || (index) >= (nb_elems)) {\
4102 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
4107 #define SET_DICT(type, meta, context, index)\
4110 meta = &context->metadata;\
4113 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
4114 meta = &context->chapters[index]->metadata;\
4117 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
4118 meta = &context->programs[index]->metadata;\
4120 default: av_assert0(0);\
4123 SET_DICT(type_in, meta_in, ic, idx_in);
4124 SET_DICT(type_out, meta_out, oc, idx_out);
4126 /* for input streams choose first matching stream */
4127 if (type_in == 's') {
4128 for (i = 0; i < ic->nb_streams; i++) {
4129 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
4130 meta_in = &ic->streams[i]->metadata;
4136 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
4141 if (type_out == 's') {
4142 for (i = 0; i < oc->nb_streams; i++) {
4143 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
4144 meta_out = &oc->streams[i]->metadata;
4145 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
4150 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
4155 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
4158 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
4159 struct tm time = *gmtime((time_t*)&recording_timestamp);
4160 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
4161 parse_option(o, "metadata", buf, options);
4163 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
4164 "tag instead.\n", opt);
4168 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
4170 const char *codec_string = encoder ? "encoder" : "decoder";
4174 avcodec_find_encoder_by_name(name) :
4175 avcodec_find_decoder_by_name(name);
4177 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
4180 if (codec->type != type) {
4181 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
4187 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
4189 char *codec_name = NULL;
4191 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
4193 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
4194 st->codec->codec_id = codec->id;
4197 return avcodec_find_decoder(st->codec->codec_id);
4201 * Add all the streams from the given input file to the global
4202 * list of input streams.
4204 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
4207 char *next, *codec_tag = NULL;
4209 for (i = 0; i < ic->nb_streams; i++) {
4210 AVStream *st = ic->streams[i];
4211 AVCodecContext *dec = st->codec;
4212 InputStream *ist = av_mallocz(sizeof(*ist));
4213 char *framerate = NULL;
4218 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
4219 input_streams[nb_input_streams - 1] = ist;
4222 ist->file_index = nb_input_files;
4224 st->discard = AVDISCARD_ALL;
4225 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
4227 ist->ts_scale = 1.0;
4228 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
4230 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
4232 uint32_t tag = strtol(codec_tag, &next, 0);
4234 tag = AV_RL32(codec_tag);
4235 st->codec->codec_tag = tag;
4238 ist->dec = choose_decoder(o, ic, st);
4240 switch (dec->codec_type) {
4241 case AVMEDIA_TYPE_VIDEO:
4243 ist->dec = avcodec_find_decoder(dec->codec_id);
4245 dec->flags |= CODEC_FLAG_EMU_EDGE;
4248 ist->resample_height = dec->height;
4249 ist->resample_width = dec->width;
4250 ist->resample_pix_fmt = dec->pix_fmt;
4252 MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
4253 if (framerate && av_parse_video_rate(&ist->framerate,
4255 av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
4260 ist->top_field_first = -1;
4261 MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
4264 case AVMEDIA_TYPE_AUDIO:
4265 guess_input_channel_layout(ist);
4267 ist->resample_sample_fmt = dec->sample_fmt;
4268 ist->resample_sample_rate = dec->sample_rate;
4269 ist->resample_channels = dec->channels;
4270 ist->resample_channel_layout = dec->channel_layout;
4273 case AVMEDIA_TYPE_DATA:
4274 case AVMEDIA_TYPE_SUBTITLE:
4276 ist->dec = avcodec_find_decoder(dec->codec_id);
4278 case AVMEDIA_TYPE_ATTACHMENT:
4279 case AVMEDIA_TYPE_UNKNOWN:
4287 static void assert_file_overwrite(const char *filename)
4289 if ((!file_overwrite || no_file_overwrite) &&
4290 (strchr(filename, ':') == NULL || filename[1] == ':' ||
4291 av_strstart(filename, "file:", NULL))) {
4292 if (avio_check(filename, 0) == 0) {
4293 if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
4294 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
4297 signal(SIGINT, SIG_DFL);
4298 if (!read_yesno()) {
4299 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
4305 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
4312 static void dump_attachment(AVStream *st, const char *filename)
4315 AVIOContext *out = NULL;
4316 AVDictionaryEntry *e;
4318 if (!st->codec->extradata_size) {
4319 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
4320 nb_input_files - 1, st->index);
4323 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
4324 filename = e->value;
4326 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
4327 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
4331 assert_file_overwrite(filename);
4333 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
4334 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
4339 avio_write(out, st->codec->extradata, st->codec->extradata_size);
4344 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
4346 AVFormatContext *ic;
4347 AVInputFormat *file_iformat = NULL;
4351 AVDictionary **opts;
4352 int orig_nb_streams; // number of streams before avformat_find_stream_info
4355 if (!(file_iformat = av_find_input_format(o->format))) {
4356 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
4361 if (!strcmp(filename, "-"))
4364 stdin_interaction &= strncmp(filename, "pipe:", 5) &&
4365 strcmp(filename, "/dev/stdin");
4367 /* get default parameters from command line */
4368 ic = avformat_alloc_context();
4370 print_error(filename, AVERROR(ENOMEM));
4373 if (o->nb_audio_sample_rate) {
4374 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
4375 av_dict_set(&format_opts, "sample_rate", buf, 0);
4377 if (o->nb_audio_channels) {
4378 /* because we set audio_channels based on both the "ac" and
4379 * "channel_layout" options, we need to check that the specified
4380 * demuxer actually has the "channels" option before setting it */
4381 if (file_iformat && file_iformat->priv_class &&
4382 av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
4383 AV_OPT_SEARCH_FAKE_OBJ)) {
4384 snprintf(buf, sizeof(buf), "%d",
4385 o->audio_channels[o->nb_audio_channels - 1].u.i);
4386 av_dict_set(&format_opts, "channels", buf, 0);
4389 if (o->nb_frame_rates) {
4390 /* set the format-level framerate option;
4391 * this is important for video grabbers, e.g. x11 */
4392 if (file_iformat && file_iformat->priv_class &&
4393 av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
4394 AV_OPT_SEARCH_FAKE_OBJ)) {
4395 av_dict_set(&format_opts, "framerate",
4396 o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
4399 if (o->nb_frame_sizes) {
4400 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
4402 if (o->nb_frame_pix_fmts)
4403 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
4405 ic->video_codec_id = video_codec_name ?
4406 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
4407 ic->audio_codec_id = audio_codec_name ?
4408 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
4409 ic->subtitle_codec_id= subtitle_codec_name ?
4410 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
4411 ic->flags |= AVFMT_FLAG_NONBLOCK;
4412 ic->interrupt_callback = int_cb;
4414 /* open the input file with generic avformat function */
4415 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
4417 print_error(filename, err);
4420 assert_avoptions(format_opts);
4422 /* apply forced codec ids */
4423 for (i = 0; i < ic->nb_streams; i++)
4424 choose_decoder(o, ic, ic->streams[i]);
4426 /* Set AVCodecContext options for avformat_find_stream_info */
4427 opts = setup_find_stream_info_opts(ic, codec_opts);
4428 orig_nb_streams = ic->nb_streams;
4430 /* If not enough info to get the stream parameters, we decode the
4431 first frames to get it. (used in mpeg case for example) */
4432 ret = avformat_find_stream_info(ic, opts);
4434 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
4435 avformat_close_input(&ic);
4439 timestamp = o->start_time;
4440 /* add the stream start time */
4441 if (ic->start_time != AV_NOPTS_VALUE)
4442 timestamp += ic->start_time;
4444 /* if seeking requested, we execute it */
4445 if (o->start_time != 0) {
4446 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
4448 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
4449 filename, (double)timestamp / AV_TIME_BASE);
4453 /* update the current parameters so that they match the one of the input stream */
4454 add_input_streams(o, ic);
4456 /* dump the file content */
4457 av_dump_format(ic, nb_input_files, filename, 0);
4459 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
4460 if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
4463 input_files[nb_input_files - 1]->ctx = ic;
4464 input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
4465 input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
4466 input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
4467 input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
4469 for (i = 0; i < o->nb_dump_attachment; i++) {
4472 for (j = 0; j < ic->nb_streams; j++) {
4473 AVStream *st = ic->streams[j];
4475 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
4476 dump_attachment(st, o->dump_attachment[i].u.str);
4480 for (i = 0; i < orig_nb_streams; i++)
4481 av_dict_free(&opts[i]);
4484 reset_options(o, 1);
4488 static uint8_t *get_line(AVIOContext *s)
4494 if (avio_open_dyn_buf(&line) < 0) {
4495 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
4499 while ((c = avio_r8(s)) && c != '\n')
4502 avio_close_dyn_buf(line, &buf);
4507 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
4510 char filename[1000];
4511 const char *base[3] = { getenv("AVCONV_DATADIR"),
4516 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
4520 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
4521 i != 1 ? "" : "/.avconv", codec_name, preset_name);
4522 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
4525 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
4526 i != 1 ? "" : "/.avconv", preset_name);
4527 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
4533 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
4535 char *codec_name = NULL;
4537 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
4539 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
4540 NULL, ost->st->codec->codec_type);
4541 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
4542 } else if (!strcmp(codec_name, "copy"))
4543 ost->stream_copy = 1;
4545 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
4546 ost->st->codec->codec_id = ost->enc->id;
4550 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
4553 AVStream *st = avformat_new_stream(oc, NULL);
4554 int idx = oc->nb_streams - 1, ret = 0;
4555 char *bsf = NULL, *next, *codec_tag = NULL;
4556 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
4558 char *buf = NULL, *arg = NULL, *preset = NULL;
4559 AVIOContext *s = NULL;
4562 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
4566 if (oc->nb_streams - 1 < o->nb_streamid_map)
4567 st->id = o->streamid_map[oc->nb_streams - 1];
4569 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
4570 nb_output_streams + 1);
4571 if (!(ost = av_mallocz(sizeof(*ost))))
4573 output_streams[nb_output_streams - 1] = ost;
4575 ost->file_index = nb_output_files;
4578 st->codec->codec_type = type;
4579 choose_encoder(o, oc, ost);
4581 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
4584 avcodec_get_context_defaults3(st->codec, ost->enc);
4585 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
4587 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
4588 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
4591 if (!buf[0] || buf[0] == '#') {
4595 if (!(arg = strchr(buf, '='))) {
4596 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
4600 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
4602 } while (!s->eof_reached);
4606 av_log(NULL, AV_LOG_FATAL,
4607 "Preset %s specified for stream %d:%d, but could not be opened.\n",
4608 preset, ost->file_index, ost->index);
4612 ost->max_frames = INT64_MAX;
4613 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
4615 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
4617 if (next = strchr(bsf, ','))
4619 if (!(bsfc = av_bitstream_filter_init(bsf))) {
4620 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
4624 bsfc_prev->next = bsfc;
4626 ost->bitstream_filters = bsfc;
4632 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
4634 uint32_t tag = strtol(codec_tag, &next, 0);
4636 tag = AV_RL32(codec_tag);
4637 st->codec->codec_tag = tag;
4640 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
4641 if (qscale >= 0 || same_quant) {
4642 st->codec->flags |= CODEC_FLAG_QSCALE;
4643 st->codec->global_quality = FF_QP2LAMBDA * qscale;
4646 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
4647 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
4649 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
4650 av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
4651 av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
4653 ost->source_index = source_index;
4654 if (source_index >= 0) {
4655 ost->sync_ist = input_streams[source_index];
4656 input_streams[source_index]->discard = 0;
4657 input_streams[source_index]->st->discard = AVDISCARD_NONE;
4663 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4666 const char *p = str;
4673 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4680 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
4684 AVCodecContext *video_enc;
4685 char *frame_rate = NULL;
4687 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
4689 video_enc = st->codec;
4691 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
4692 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
4693 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
4697 if (!ost->stream_copy) {
4698 const char *p = NULL;
4699 char *frame_size = NULL;
4700 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
4701 char *intra_matrix = NULL, *inter_matrix = NULL;
4702 const char *filters = "null";
4705 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
4706 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
4707 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4711 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4712 if (frame_aspect_ratio) {
4714 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4715 q.num <= 0 || q.den <= 0) {
4716 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4719 ost->frame_aspect_ratio = av_q2d(q);
4722 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4723 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4724 if (frame_pix_fmt && *frame_pix_fmt == '+') {
4725 ost->keep_pix_fmt = 1;
4726 if (!*++frame_pix_fmt)
4727 frame_pix_fmt = NULL;
4729 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4730 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4733 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4736 video_enc->gop_size = 0;
4737 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4739 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4740 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4743 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4745 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4747 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4748 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4751 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4754 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4755 for (i = 0; p; i++) {
4757 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4759 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4762 /* FIXME realloc failure */
4763 video_enc->rc_override =
4764 av_realloc(video_enc->rc_override,
4765 sizeof(RcOverride) * (i + 1));
4766 video_enc->rc_override[i].start_frame = start;
4767 video_enc->rc_override[i].end_frame = end;
4769 video_enc->rc_override[i].qscale = q;
4770 video_enc->rc_override[i].quality_factor = 1.0;
4773 video_enc->rc_override[i].qscale = 0;
4774 video_enc->rc_override[i].quality_factor = -q/100.0;
4779 video_enc->rc_override_count = i;
4780 if (!video_enc->rc_initial_buffer_occupancy)
4781 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4782 video_enc->intra_dc_precision = intra_dc_precision - 8;
4785 video_enc->flags|= CODEC_FLAG_PSNR;
4790 video_enc->flags |= CODEC_FLAG_PASS1;
4793 video_enc->flags |= CODEC_FLAG_PASS2;
4797 MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
4798 if (ost->forced_keyframes)
4799 ost->forced_keyframes = av_strdup(ost->forced_keyframes);
4801 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4803 ost->top_field_first = -1;
4804 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4806 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4807 ost->avfilter = av_strdup(filters);
4809 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4815 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
4820 AVCodecContext *audio_enc;
4822 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
4825 audio_enc = st->codec;
4826 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4828 if (!ost->stream_copy) {
4829 char *sample_fmt = NULL;
4830 const char *filters = "anull";
4832 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4834 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4836 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4837 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4841 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4843 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4845 av_assert1(filters);
4846 ost->avfilter = av_strdup(filters);
4848 /* check for channel mapping for this audio stream */
4849 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4850 AudioChannelMap *map = &o->audio_channel_maps[n];
4851 InputStream *ist = input_streams[ost->source_index];
4852 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4853 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4854 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4855 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4856 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4858 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4859 ost->file_index, ost->st->index);
4867 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
4871 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
4872 if (!ost->stream_copy) {
4873 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4880 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
4882 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
4883 ost->stream_copy = 1;
4887 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
4891 AVCodecContext *subtitle_enc;
4893 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
4895 subtitle_enc = st->codec;
4897 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4899 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
4904 /* arg format is "output-stream-index:streamid-value". */
4905 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4911 av_strlcpy(idx_str, arg, sizeof(idx_str));
4912 p = strchr(idx_str, ':');
4914 av_log(NULL, AV_LOG_FATAL,
4915 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4920 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4921 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4922 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4926 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4928 AVFormatContext *is = ifile->ctx;
4929 AVFormatContext *os = ofile->ctx;
4932 for (i = 0; i < is->nb_chapters; i++) {
4933 AVChapter *in_ch = is->chapters[i], *out_ch;
4934 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4935 AV_TIME_BASE_Q, in_ch->time_base);
4936 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4937 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4940 if (in_ch->end < ts_off)
4942 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4945 out_ch = av_mallocz(sizeof(AVChapter));
4947 return AVERROR(ENOMEM);
4949 out_ch->id = in_ch->id;
4950 out_ch->time_base = in_ch->time_base;
4951 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4952 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4955 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4958 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4960 return AVERROR(ENOMEM);
4961 os->chapters[os->nb_chapters - 1] = out_ch;
4966 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4969 AVFormatContext *ic = avformat_alloc_context();
4971 ic->interrupt_callback = int_cb;
4972 err = avformat_open_input(&ic, filename, NULL, NULL);
4975 /* copy stream format */
4976 for(i=0;i<ic->nb_streams;i++) {
4980 AVCodecContext *avctx;
4982 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4983 ost = new_output_stream(o, s, codec->type, -1);
4988 // FIXME: a more elegant solution is needed
4989 memcpy(st, ic->streams[i], sizeof(AVStream));
4991 st->info = av_malloc(sizeof(*st->info));
4992 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4994 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4996 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4997 choose_sample_fmt(st, codec);
4998 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4999 choose_pixel_fmt(st, codec, st->codec->pix_fmt);
5002 avformat_close_input(&ic);
5006 static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
5007 AVFormatContext *oc)
5011 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
5012 ofilter->out_tmp->pad_idx)) {
5013 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
5014 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
5016 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
5021 ost->source_index = -1;
5022 ost->filter = ofilter;
5026 if (ost->stream_copy) {
5027 av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
5028 "which is fed from a complex filtergraph. Filtering and streamcopy "
5029 "cannot be used together.\n", ost->file_index, ost->index);
5032 if (o->recording_time != INT64_MAX)
5033 av_log(NULL, AV_LOG_WARNING,
5034 "-t does not work with -filter_complex (yet).\n");
5036 if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
5037 av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
5040 avfilter_inout_free(&ofilter->out_tmp);
5043 static void opt_output_file(void *optctx, const char *filename)
5045 OptionsContext *o = optctx;
5046 AVFormatContext *oc;
5048 AVOutputFormat *file_oformat;
5052 if (configure_complex_filters() < 0) {
5053 av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
5057 if (!strcmp(filename, "-"))
5060 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
5062 print_error(filename, err);
5065 file_oformat= oc->oformat;
5066 oc->interrupt_callback = int_cb;
5068 /* create streams for all unlabeled output pads */
5069 for (i = 0; i < nb_filtergraphs; i++) {
5070 FilterGraph *fg = filtergraphs[i];
5071 for (j = 0; j < fg->nb_outputs; j++) {
5072 OutputFilter *ofilter = fg->outputs[j];
5074 if (!ofilter->out_tmp || ofilter->out_tmp->name)
5077 switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
5078 ofilter->out_tmp->pad_idx)) {
5079 case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
5080 case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
5081 case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
5083 init_output_filter(ofilter, o, oc);
5087 if (!strcmp(file_oformat->name, "ffm") &&
5088 av_strstart(filename, "http:", NULL)) {
5090 /* special case for files sent to ffserver: we get the stream
5091 parameters from ffserver */
5092 int err = read_ffserver_streams(o, oc, filename);
5094 print_error(filename, err);
5097 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
5098 ost = output_streams[j];
5099 for (i = 0; i < nb_input_streams; i++) {
5100 ist = input_streams[i];
5101 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
5103 ost->source_index= i;
5104 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
5105 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
5107 ist->st->discard = AVDISCARD_NONE;
5112 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
5116 } else if (!o->nb_stream_maps) {
5117 /* pick the "best" stream of each type */
5119 /* video: highest resolution */
5120 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
5121 int area = 0, idx = -1;
5122 for (i = 0; i < nb_input_streams; i++) {
5123 ist = input_streams[i];
5124 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
5125 ist->st->codec->width * ist->st->codec->height > area) {
5126 area = ist->st->codec->width * ist->st->codec->height;
5131 new_video_stream(o, oc, idx);
5134 /* audio: most channels */
5135 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
5136 int channels = 0, idx = -1;
5137 for (i = 0; i < nb_input_streams; i++) {
5138 ist = input_streams[i];
5139 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
5140 ist->st->codec->channels > channels) {
5141 channels = ist->st->codec->channels;
5146 new_audio_stream(o, oc, idx);
5149 /* subtitles: pick first */
5150 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
5151 for (i = 0; i < nb_input_streams; i++)
5152 if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5153 new_subtitle_stream(o, oc, i);
5157 /* do something with data? */
5159 for (i = 0; i < o->nb_stream_maps; i++) {
5160 StreamMap *map = &o->stream_maps[i];
5161 int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
5166 if (map->linklabel) {
5168 OutputFilter *ofilter = NULL;
5171 for (j = 0; j < nb_filtergraphs; j++) {
5172 fg = filtergraphs[j];
5173 for (k = 0; k < fg->nb_outputs; k++) {
5174 AVFilterInOut *out = fg->outputs[k]->out_tmp;
5175 if (out && !strcmp(out->name, map->linklabel)) {
5176 ofilter = fg->outputs[k];
5183 av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
5184 "in any defined filter graph.\n", map->linklabel);
5187 init_output_filter(ofilter, o, oc);
5189 ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
5190 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
5192 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
5194 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
5196 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
5199 switch (ist->st->codec->codec_type) {
5200 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
5201 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
5202 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
5203 case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
5204 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
5206 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
5207 map->file_index, map->stream_index);
5215 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
5216 AVDictionaryEntry *e;
5217 ost = output_streams[i];
5219 if ( ost->stream_copy
5220 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
5221 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
5222 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
5226 /* handle attached files */
5227 for (i = 0; i < o->nb_attachments; i++) {
5229 uint8_t *attachment;
5233 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
5234 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
5238 if ((len = avio_size(pb)) <= 0) {
5239 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
5243 if (!(attachment = av_malloc(len))) {
5244 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
5248 avio_read(pb, attachment, len);
5250 ost = new_attachment_stream(o, oc, -1);
5251 ost->stream_copy = 0;
5252 ost->attachment_filename = o->attachments[i];
5253 ost->st->codec->extradata = attachment;
5254 ost->st->codec->extradata_size = len;
5256 p = strrchr(o->attachments[i], '/');
5257 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
5261 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
5262 if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
5265 output_files[nb_output_files - 1]->ctx = oc;
5266 output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
5267 output_files[nb_output_files - 1]->recording_time = o->recording_time;
5268 if (o->recording_time != INT64_MAX)
5269 oc->duration = o->recording_time;
5270 output_files[nb_output_files - 1]->start_time = o->start_time;
5271 output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
5272 av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
5274 /* check filename in case of an image number is expected */
5275 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
5276 if (!av_filename_number_test(oc->filename)) {
5277 print_error(oc->filename, AVERROR(EINVAL));
5282 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
5283 /* test if it already exists to avoid losing precious files */
5284 assert_file_overwrite(filename);
5287 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
5288 &oc->interrupt_callback,
5289 &output_files[nb_output_files - 1]->opts)) < 0) {
5290 print_error(filename, err);
5295 if (o->mux_preload) {
5297 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
5298 av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
5300 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
5303 for (i = 0; i < o->nb_metadata_map; i++) {
5305 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
5307 if (in_file_index >= nb_input_files) {
5308 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
5311 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
5315 if (o->chapters_input_file >= nb_input_files) {
5316 if (o->chapters_input_file == INT_MAX) {
5317 /* copy chapters from the first input file that has them*/
5318 o->chapters_input_file = -1;
5319 for (i = 0; i < nb_input_files; i++)
5320 if (input_files[i]->ctx->nb_chapters) {
5321 o->chapters_input_file = i;
5325 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
5326 o->chapters_input_file);
5330 if (o->chapters_input_file >= 0)
5331 copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
5332 !o->metadata_chapters_manual);
5334 /* copy global metadata by default */
5335 if (!o->metadata_global_manual && nb_input_files){
5336 av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
5337 AV_DICT_DONT_OVERWRITE);
5338 if(o->recording_time != INT64_MAX)
5339 av_dict_set(&oc->metadata, "duration", NULL, 0);
5340 av_dict_set(&oc->metadata, "creation_time", NULL, 0);
5342 if (!o->metadata_streams_manual)
5343 for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
5345 if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
5347 ist = input_streams[output_streams[i]->source_index];
5348 av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
5351 /* process manually set metadata */
5352 for (i = 0; i < o->nb_metadata; i++) {
5355 const char *stream_spec;
5356 int index = 0, j, ret = 0;
5358 val = strchr(o->metadata[i].u.str, '=');
5360 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
5361 o->metadata[i].u.str);
5366 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
5368 for (j = 0; j < oc->nb_streams; j++) {
5369 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
5370 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
5381 if (index < 0 || index >= oc->nb_chapters) {
5382 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
5385 m = &oc->chapters[index]->metadata;
5388 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
5391 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
5395 reset_options(o, 0);
5398 /* same option as mencoder */
5399 static int opt_pass(const char *opt, const char *arg)
5401 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
5405 static int64_t getmaxrss(void)
5407 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
5408 struct rusage rusage;
5409 getrusage(RUSAGE_SELF, &rusage);
5410 return (int64_t)rusage.ru_maxrss * 1024;
5411 #elif HAVE_GETPROCESSMEMORYINFO
5413 PROCESS_MEMORY_COUNTERS memcounters;
5414 proc = GetCurrentProcess();
5415 memcounters.cb = sizeof(memcounters);
5416 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
5417 return memcounters.PeakPagefileUsage;
5423 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
5425 return parse_option(o, "q:a", arg, options);
5428 static void show_usage(void)
5430 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
5431 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
5432 av_log(NULL, AV_LOG_INFO, "\n");
5435 static int opt_help(const char *opt, const char *arg)
5437 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
5438 av_log_set_callback(log_callback_help);
5440 show_help_options(options, "Main options:\n",
5441 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
5442 show_help_options(options, "\nAdvanced options:\n",
5443 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
5445 show_help_options(options, "\nVideo options:\n",
5446 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
5448 show_help_options(options, "\nAdvanced Video options:\n",
5449 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
5450 OPT_VIDEO | OPT_EXPERT);
5451 show_help_options(options, "\nAudio options:\n",
5452 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
5454 show_help_options(options, "\nAdvanced Audio options:\n",
5455 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
5456 OPT_AUDIO | OPT_EXPERT);
5457 show_help_options(options, "\nSubtitle options:\n",
5458 OPT_SUBTITLE | OPT_GRAB,
5460 show_help_options(options, "\nAudio/Video grab options:\n",
5464 show_help_children(avcodec_get_class(), flags);
5465 show_help_children(avformat_get_class(), flags);
5466 show_help_children(sws_get_class(), flags);
5467 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
5472 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
5474 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
5475 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
5477 if (!strncmp(arg, "pal-", 4)) {
5480 } else if (!strncmp(arg, "ntsc-", 5)) {
5483 } else if (!strncmp(arg, "film-", 5)) {
5487 /* Try to determine PAL/NTSC by peeking in the input files */
5488 if (nb_input_files) {
5490 for (j = 0; j < nb_input_files; j++) {
5491 for (i = 0; i < input_files[j]->nb_streams; i++) {
5492 AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
5493 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
5495 fr = c->time_base.den * 1000 / c->time_base.num;
5499 } else if ((fr == 29970) || (fr == 23976)) {
5504 if (norm != UNKNOWN)
5508 if (norm != UNKNOWN)
5509 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
5512 if (norm == UNKNOWN) {
5513 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
5514 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
5515 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
5519 if (!strcmp(arg, "vcd")) {
5520 opt_video_codec(o, "c:v", "mpeg1video");
5521 opt_audio_codec(o, "c:a", "mp2");
5522 parse_option(o, "f", "vcd", options);
5524 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
5525 parse_option(o, "r", frame_rates[norm], options);
5526 opt_default("g", norm == PAL ? "15" : "18");
5528 opt_default("b:v", "1150000");
5529 opt_default("maxrate", "1150000");
5530 opt_default("minrate", "1150000");
5531 opt_default("bufsize", "327680"); // 40*1024*8;
5533 opt_default("b:a", "224000");
5534 parse_option(o, "ar", "44100", options);
5535 parse_option(o, "ac", "2", options);
5537 opt_default("packetsize", "2324");
5538 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
5540 /* We have to offset the PTS, so that it is consistent with the SCR.
5541 SCR starts at 36000, but the first two packs contain only padding
5542 and the first pack from the other stream, respectively, may also have
5543 been written before.
5544 So the real data starts at SCR 36000+3*1200. */
5545 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
5546 } else if (!strcmp(arg, "svcd")) {
5548 opt_video_codec(o, "c:v", "mpeg2video");
5549 opt_audio_codec(o, "c:a", "mp2");
5550 parse_option(o, "f", "svcd", options);
5552 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
5553 parse_option(o, "r", frame_rates[norm], options);
5554 parse_option(o, "pix_fmt", "yuv420p", options);
5555 opt_default("g", norm == PAL ? "15" : "18");
5557 opt_default("b:v", "2040000");
5558 opt_default("maxrate", "2516000");
5559 opt_default("minrate", "0"); // 1145000;
5560 opt_default("bufsize", "1835008"); // 224*1024*8;
5561 opt_default("scan_offset", "1");
5564 opt_default("b:a", "224000");
5565 parse_option(o, "ar", "44100", options);
5567 opt_default("packetsize", "2324");
5569 } else if (!strcmp(arg, "dvd")) {
5571 opt_video_codec(o, "c:v", "mpeg2video");
5572 opt_audio_codec(o, "c:a", "ac3");
5573 parse_option(o, "f", "dvd", options);
5575 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
5576 parse_option(o, "r", frame_rates[norm], options);
5577 parse_option(o, "pix_fmt", "yuv420p", options);
5578 opt_default("g", norm == PAL ? "15" : "18");
5580 opt_default("b:v", "6000000");
5581 opt_default("maxrate", "9000000");
5582 opt_default("minrate", "0"); // 1500000;
5583 opt_default("bufsize", "1835008"); // 224*1024*8;
5585 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
5586 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
5588 opt_default("b:a", "448000");
5589 parse_option(o, "ar", "48000", options);
5591 } else if (!strncmp(arg, "dv", 2)) {
5593 parse_option(o, "f", "dv", options);
5595 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
5596 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
5597 norm == PAL ? "yuv420p" : "yuv411p", options);
5598 parse_option(o, "r", frame_rates[norm], options);
5600 parse_option(o, "ar", "48000", options);
5601 parse_option(o, "ac", "2", options);
5604 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
5605 return AVERROR(EINVAL);
5610 static int opt_vstats_file(const char *opt, const char *arg)
5612 av_free (vstats_filename);
5613 vstats_filename = av_strdup (arg);
5617 static int opt_vstats(const char *opt, const char *arg)
5620 time_t today2 = time(NULL);
5621 struct tm *today = localtime(&today2);
5623 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
5625 return opt_vstats_file(opt, filename);
5628 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
5630 return parse_option(o, "frames:v", arg, options);
5633 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
5635 return parse_option(o, "frames:a", arg, options);
5638 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
5640 return parse_option(o, "frames:d", arg, options);
5643 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
5646 char filename[1000], line[1000], tmp_line[1000];
5647 const char *codec_name = *opt == 'v' ? video_codec_name :
5648 *opt == 'a' ? audio_codec_name :
5649 subtitle_codec_name;
5651 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
5652 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
5653 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
5655 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
5659 while (fgets(line, sizeof(line), f)) {
5660 char *key = tmp_line, *value, *endptr;
5662 if (strcspn(line, "#\n\r") == 0)
5664 strcpy(tmp_line, line);
5665 if (!av_strtok(key, "=", &value) ||
5666 !av_strtok(value, "\r\n", &endptr)) {
5667 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
5670 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
5672 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
5673 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
5674 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
5675 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
5676 else if (opt_default(key, value) < 0) {
5677 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
5678 filename, line, key, value);
5688 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
5692 static int opt_passlogfile(const char *opt, const char *arg)
5694 pass_logfilename_prefix = arg;
5695 #if CONFIG_LIBX264_ENCODER
5696 return opt_default(opt, arg);
5702 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
5704 char *s = av_asprintf("%s:%c", opt + 1, *opt);
5705 int ret = parse_option(o, s, arg, options);
5710 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
5712 if(!strcmp(opt, "b")){
5713 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
5714 return parse_option(o, "b:v", arg, options);
5716 return opt_default(opt, arg);
5719 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
5723 if(!strcmp(opt, "qscale")){
5724 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
5725 return parse_option(o, "q:v", arg, options);
5727 s = av_asprintf("q%s", opt + 6);
5728 ret = parse_option(o, s, arg, options);
5733 static int opt_profile(OptionsContext *o, const char *opt, const char *arg)
5735 if(!strcmp(opt, "profile")){
5736 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
5737 return parse_option(o, "profile:v", arg, options);
5739 return opt_default(opt, arg);
5742 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
5744 return parse_option(o, "filter:v", arg, options);
5747 static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
5749 return parse_option(o, "filter:a", arg, options);
5752 static int opt_vsync(const char *opt, const char *arg)
5754 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
5755 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
5756 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
5757 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
5759 if (video_sync_method == VSYNC_AUTO)
5760 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
5764 static int opt_deinterlace(const char *opt, const char *arg)
5766 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
5771 static int opt_timecode(OptionsContext *o, const char *opt, const char *arg)
5773 char *tcr = av_asprintf("timecode=%s", arg);
5774 int ret = parse_option(o, "metadata:g", tcr, options);
5776 ret = opt_default("gop_timecode", arg);
5781 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
5783 int idx = locate_option(argc, argv, options, "cpuflags");
5784 if (idx && argv[idx + 1])
5785 opt_cpuflags("cpuflags", argv[idx + 1]);
5788 static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
5790 char layout_str[32];
5793 int ret, channels, ac_str_size;
5796 layout = av_get_channel_layout(arg);
5798 av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
5799 return AVERROR(EINVAL);
5801 snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
5802 ret = opt_default(opt, layout_str);
5806 /* set 'ac' option based on channel layout */
5807 channels = av_get_channel_layout_nb_channels(layout);
5808 snprintf(layout_str, sizeof(layout_str), "%d", channels);
5809 stream_str = strchr(opt, ':');
5810 ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
5811 ac_str = av_mallocz(ac_str_size);
5813 return AVERROR(ENOMEM);
5814 av_strlcpy(ac_str, "ac", 3);
5816 av_strlcat(ac_str, stream_str, ac_str_size);
5817 ret = parse_option(o, ac_str, layout_str, options);
5823 static int opt_filter_complex(const char *opt, const char *arg)
5825 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
5826 &nb_filtergraphs, nb_filtergraphs + 1);
5827 if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
5828 return AVERROR(ENOMEM);
5829 filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
5830 filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
5834 static int opt_progress(const char *opt, const char *arg)
5836 AVIOContext *avio = NULL;
5839 if (!strcmp(arg, "-"))
5841 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
5843 av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
5844 arg, av_err2str(ret));
5847 progress_avio = avio;
5851 #define OFFSET(x) offsetof(OptionsContext, x)
5852 static const OptionDef options[] = {
5854 #include "cmdutils_common_opts.h"
5855 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
5856 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
5857 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
5858 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
5859 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5860 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5861 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5862 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5863 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
5864 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5865 "outfile[,metadata]:infile[,metadata]" },
5866 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5867 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5868 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5869 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5870 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5871 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5872 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5873 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5874 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5875 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5876 "add timings for benchmarking" },
5877 { "benchmark_all", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark_all},
5878 "add timings for each task" },
5879 { "progress", HAS_ARG | OPT_EXPERT, {(void*)opt_progress},
5880 "write program-readable progress information", "url" },
5881 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5882 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5883 "dump each input packet" },
5884 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5885 "when dumping packets, also dump the payload" },
5886 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5887 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5888 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5889 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5890 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5891 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5892 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "mode" },
5893 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5894 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5895 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5896 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5897 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5898 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5899 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5900 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5901 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5902 { "profile", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_profile}, "set profile", "profile" },
5903 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5904 { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
5905 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5906 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5907 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5908 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5911 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5912 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5913 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5914 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
5915 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5916 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
5917 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5918 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5919 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5920 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5921 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5922 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5923 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5924 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5925 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5926 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
5927 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5928 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5929 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5930 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5931 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5932 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5933 "use same quantizer as source (implies VBR)" },
5934 { "timecode", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_timecode}, "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
5935 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5936 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5937 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5938 "this option is deprecated, use the yadif filter instead" },
5939 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5940 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5941 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5942 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5943 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5944 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5945 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5946 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5947 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5948 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5949 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5950 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5951 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
5952 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5955 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5956 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5957 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5958 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5959 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5960 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5961 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5962 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5963 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5964 { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
5965 { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
5967 /* subtitle options */
5968 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5969 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5970 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5973 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5974 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5975 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5978 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5979 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5981 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5982 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5983 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5985 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5986 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5987 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5988 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5989 /* data codec support */
5990 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5991 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5993 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5997 int main(int argc, char **argv)
5999 OptionsContext o = { 0 };
6002 reset_options(&o, 0);
6004 av_log_set_flags(AV_LOG_SKIP_REPEATED);
6005 parse_loglevel(argc, argv, options);
6007 if(argc>1 && !strcmp(argv[1], "-d")){
6009 av_log_set_callback(log_callback_null);
6014 avcodec_register_all();
6016 avdevice_register_all();
6018 avfilter_register_all();
6020 avformat_network_init();
6022 show_banner(argc, argv, options);
6026 parse_cpuflags(argc, argv, options);
6029 parse_options(&o, argc, argv, options, opt_output_file);
6031 if (nb_output_files <= 0 && nb_input_files == 0) {
6033 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
6037 /* file converter / grab */
6038 if (nb_output_files <= 0) {
6039 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
6043 if (nb_input_files == 0) {
6044 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
6048 current_time = ti = getutime();
6049 if (transcode() < 0)
6051 ti = getutime() - ti;
6053 int maxrss = getmaxrss() / 1024;
6054 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);