3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/buffersink.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
114 static int frame_bits_per_raw_sample = 0;
115 static int video_discard = 0;
116 static int same_quant = 0;
117 static int do_deinterlace = 0;
118 static int intra_dc_precision = 8;
119 static int qp_hist = 0;
121 static int file_overwrite = 0;
122 static int do_benchmark = 0;
123 static int do_hex_dump = 0;
124 static int do_pkt_dump = 0;
125 static int do_pass = 0;
126 static const char *pass_logfilename_prefix;
127 static int video_sync_method= -1;
128 static int audio_sync_method= 0;
129 static float audio_drift_threshold= 0.1;
130 static int copy_ts= 0;
131 static int copy_tb= 0;
132 static int opt_shortest = 0;
133 static char *vstats_filename;
134 static FILE *vstats_file;
135 static int copy_initial_nonkeyframes = 0;
137 static int audio_volume = 256;
139 static int exit_on_error = 0;
140 static int using_stdin = 0;
141 static int run_as_daemon = 0;
142 static int q_pressed = 0;
143 static int64_t video_size = 0;
144 static int64_t audio_size = 0;
145 static int64_t extra_size = 0;
146 static int nb_frames_dup = 0;
147 static int nb_frames_drop = 0;
148 static int input_sync;
150 static float dts_delta_threshold = 10;
152 static uint8_t *audio_buf;
153 static uint8_t *audio_out;
154 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
156 static void *samples;
158 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
160 typedef struct InputStream {
163 int discard; /* true if stream data should be discarded */
164 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
167 int64_t start; /* time when read started */
168 int64_t next_pts; /* synthetic pts for cases where pkt.pts
170 int64_t pts; /* current pts */
172 int is_start; /* is 1 at the start and after a discontinuity */
173 int showed_multi_packet_warning;
177 typedef struct InputFile {
178 AVFormatContext *ctx;
179 int eof_reached; /* true if eof reached */
180 int ist_index; /* index of first stream in ist_table */
181 int buffer_size; /* current total buffer size */
183 int nb_streams; /* number of stream that avconv is aware of; may be different
184 from ctx.nb_streams if new streams appear during av_read_frame() */
188 typedef struct OutputStream {
189 int file_index; /* file index */
190 int index; /* stream index in the output file */
191 int source_index; /* InputStream index */
192 AVStream *st; /* stream in the output file */
193 int encoding_needed; /* true if encoding needed for this stream */
195 /* input pts and corresponding output pts
197 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
198 struct InputStream *sync_ist; /* input stream to sync against */
199 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
200 AVBitStreamFilterContext *bitstream_filters;
206 AVFrame resample_frame; /* temporary frame for image resampling */
207 struct SwsContext *img_resample_ctx; /* for image resampling */
210 int resample_pix_fmt;
211 AVRational frame_rate;
215 float frame_aspect_ratio;
217 /* forced key frames */
218 int64_t *forced_kf_pts;
224 ReSampleContext *resample; /* for audio resampling */
225 int resample_sample_fmt;
226 int resample_channels;
227 int resample_sample_rate;
229 AVAudioConvert *reformat_ctx;
230 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
234 AVFilterContext *output_video_filter;
235 AVFilterContext *input_video_filter;
236 AVFilterBufferRef *picref;
238 AVFilterGraph *graph;
243 int is_past_recording_time;
248 /* init terminal so that we can grab keys */
249 static struct termios oldtty;
252 typedef struct OutputFile {
253 AVFormatContext *ctx;
255 int ost_index; /* index of the first stream in output_streams */
256 int64_t recording_time; /* desired length of the resulting file in microseconds */
257 int64_t start_time; /* start time in microseconds */
258 uint64_t limit_filesize;
261 static InputStream *input_streams = NULL;
262 static int nb_input_streams = 0;
263 static InputFile *input_files = NULL;
264 static int nb_input_files = 0;
266 static OutputStream *output_streams = NULL;
267 static int nb_output_streams = 0;
268 static OutputFile *output_files = NULL;
269 static int nb_output_files = 0;
271 typedef struct OptionsContext {
272 /* input/output options */
276 SpecifierOpt *codec_names;
278 SpecifierOpt *audio_channels;
279 int nb_audio_channels;
280 SpecifierOpt *audio_sample_rate;
281 int nb_audio_sample_rate;
282 SpecifierOpt *frame_rates;
284 SpecifierOpt *frame_sizes;
286 SpecifierOpt *frame_pix_fmts;
287 int nb_frame_pix_fmts;
290 int64_t input_ts_offset;
293 SpecifierOpt *ts_scale;
297 StreamMap *stream_maps;
299 /* first item specifies output metadata, second is input */
300 MetadataMap (*meta_data_maps)[2];
301 int nb_meta_data_maps;
302 int metadata_global_manual;
303 int metadata_streams_manual;
304 int metadata_chapters_manual;
306 int chapters_input_file;
308 int64_t recording_time;
309 uint64_t limit_filesize;
315 int subtitle_disable;
318 /* indexed by output file stream index */
322 SpecifierOpt *metadata;
324 SpecifierOpt *max_frames;
326 SpecifierOpt *bitstream_filters;
327 int nb_bitstream_filters;
328 SpecifierOpt *codec_tags;
330 SpecifierOpt *sample_fmts;
332 SpecifierOpt *qscale;
334 SpecifierOpt *forced_key_frames;
335 int nb_forced_key_frames;
336 SpecifierOpt *force_fps;
338 SpecifierOpt *frame_aspect_ratios;
339 int nb_frame_aspect_ratios;
340 SpecifierOpt *rc_overrides;
342 SpecifierOpt *intra_matrices;
343 int nb_intra_matrices;
344 SpecifierOpt *inter_matrices;
345 int nb_inter_matrices;
346 SpecifierOpt *top_field_first;
347 int nb_top_field_first;
349 SpecifierOpt *filters;
354 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
357 for (i = 0; i < o->nb_ ## name; i++) {\
358 char *spec = o->name[i].specifier;\
359 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
360 outvar = o->name[i].u.type;\
366 static void reset_options(OptionsContext *o)
368 const OptionDef *po = options;
370 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
372 void *dst = (uint8_t*)o + po->u.off;
374 if (po->flags & OPT_SPEC) {
375 SpecifierOpt **so = dst;
376 int i, *count = (int*)(so + 1);
377 for (i = 0; i < *count; i++) {
378 av_freep(&(*so)[i].specifier);
379 if (po->flags & OPT_STRING)
380 av_freep(&(*so)[i].u.str);
384 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
389 av_freep(&o->stream_maps);
390 av_freep(&o->meta_data_maps);
391 av_freep(&o->streamid_map);
393 memset(o, 0, sizeof(*o));
395 o->mux_preload = 0.5;
396 o->mux_max_delay = 0.7;
397 o->recording_time = INT64_MAX;
398 o->limit_filesize = UINT64_MAX;
399 o->chapters_input_file = INT_MAX;
407 static int configure_video_filters(InputStream *ist, OutputStream *ost)
409 AVFilterContext *last_filter, *filter;
410 /** filter graph containing all filters including input & output */
411 AVCodecContext *codec = ost->st->codec;
412 AVCodecContext *icodec = ist->st->codec;
413 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
414 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
415 AVRational sample_aspect_ratio;
419 ost->graph = avfilter_graph_alloc();
421 if (ist->st->sample_aspect_ratio.num){
422 sample_aspect_ratio = ist->st->sample_aspect_ratio;
424 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
426 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
427 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
428 sample_aspect_ratio.num, sample_aspect_ratio.den);
430 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
431 "src", args, NULL, ost->graph);
434 #if FF_API_OLD_VSINK_API
435 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
436 "out", NULL, pix_fmts, ost->graph);
438 buffersink_params->pixel_fmts = pix_fmts;
439 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
440 "out", NULL, buffersink_params, ost->graph);
442 av_freep(&buffersink_params);
445 last_filter = ost->input_video_filter;
447 if (codec->width != icodec->width || codec->height != icodec->height) {
448 snprintf(args, 255, "%d:%d:flags=0x%X",
452 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
453 NULL, args, NULL, ost->graph)) < 0)
455 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
457 last_filter = filter;
460 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
461 ost->graph->scale_sws_opts = av_strdup(args);
464 AVFilterInOut *outputs = avfilter_inout_alloc();
465 AVFilterInOut *inputs = avfilter_inout_alloc();
467 outputs->name = av_strdup("in");
468 outputs->filter_ctx = last_filter;
469 outputs->pad_idx = 0;
470 outputs->next = NULL;
472 inputs->name = av_strdup("out");
473 inputs->filter_ctx = ost->output_video_filter;
477 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
479 av_freep(&ost->avfilter);
481 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
485 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
488 codec->width = ost->output_video_filter->inputs[0]->w;
489 codec->height = ost->output_video_filter->inputs[0]->h;
490 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
491 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
492 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
493 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
497 #endif /* CONFIG_AVFILTER */
499 static void term_exit(void)
501 av_log(NULL, AV_LOG_QUIET, "%s", "");
504 tcsetattr (0, TCSANOW, &oldtty);
508 static volatile int received_sigterm = 0;
511 sigterm_handler(int sig)
513 received_sigterm = sig;
518 static void term_init(void)
528 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
529 |INLCR|IGNCR|ICRNL|IXON);
530 tty.c_oflag |= OPOST;
531 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
532 tty.c_cflag &= ~(CSIZE|PARENB);
537 tcsetattr (0, TCSANOW, &tty);
538 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
542 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
543 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
545 signal(SIGXCPU, sigterm_handler);
549 /* read a key without blocking */
550 static int read_key(void)
565 n = select(1, &rfds, NULL, NULL, &tv);
580 static int decode_interrupt_cb(void)
582 q_pressed += read_key() == 'q';
583 return q_pressed > 1;
586 void exit_program(int ret)
591 for(i=0;i<nb_output_files;i++) {
592 AVFormatContext *s = output_files[i].ctx;
593 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
595 avformat_free_context(s);
596 av_dict_free(&output_files[i].opts);
598 for(i=0;i<nb_input_files;i++) {
599 av_close_input_file(input_files[i].ctx);
601 for (i = 0; i < nb_input_streams; i++)
602 av_dict_free(&input_streams[i].opts);
606 av_free(vstats_filename);
608 av_freep(&input_streams);
609 av_freep(&input_files);
610 av_freep(&output_streams);
611 av_freep(&output_files);
616 allocated_audio_buf_size= allocated_audio_out_size= 0;
623 if (received_sigterm) {
624 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
625 (int) received_sigterm);
629 exit(ret); /* not all OS-es handle main() return value */
632 static void assert_avoptions(AVDictionary *m)
634 AVDictionaryEntry *t;
635 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
636 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
641 static void assert_codec_experimental(AVCodecContext *c, int encoder)
643 const char *codec_string = encoder ? "encoder" : "decoder";
645 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
646 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
647 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
648 "results.\nAdd '-strict experimental' if you want to use it.\n",
649 codec_string, c->codec->name);
650 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
651 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
652 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
653 codec_string, codec->name);
658 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
660 if(codec && codec->sample_fmts){
661 const enum AVSampleFormat *p= codec->sample_fmts;
663 if(*p == st->codec->sample_fmt)
667 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
668 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
669 if(av_get_sample_fmt_name(st->codec->sample_fmt))
670 av_log(NULL, AV_LOG_WARNING,
671 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
672 av_get_sample_fmt_name(st->codec->sample_fmt),
674 av_get_sample_fmt_name(codec->sample_fmts[0]));
675 st->codec->sample_fmt = codec->sample_fmts[0];
680 static void choose_sample_rate(AVStream *st, AVCodec *codec)
682 if(codec && codec->supported_samplerates){
683 const int *p= codec->supported_samplerates;
685 int best_dist=INT_MAX;
687 int dist= abs(st->codec->sample_rate - *p);
688 if(dist < best_dist){
694 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
696 st->codec->sample_rate= best;
700 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
702 if(codec && codec->pix_fmts){
703 const enum PixelFormat *p= codec->pix_fmts;
704 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
705 if(st->codec->codec_id==CODEC_ID_MJPEG){
706 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
707 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
708 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
712 if(*p == st->codec->pix_fmt)
716 if(st->codec->pix_fmt != PIX_FMT_NONE)
717 av_log(NULL, AV_LOG_WARNING,
718 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
719 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
721 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
722 st->codec->pix_fmt = codec->pix_fmts[0];
728 get_sync_ipts(const OutputStream *ost)
730 const InputStream *ist = ost->sync_ist;
731 OutputFile *of = &output_files[ost->file_index];
732 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
735 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
739 AVPacket new_pkt= *pkt;
740 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
741 &new_pkt.data, &new_pkt.size,
742 pkt->data, pkt->size,
743 pkt->flags & AV_PKT_FLAG_KEY);
746 new_pkt.destruct= av_destruct_packet;
748 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
749 bsfc->filter->name, pkt->stream_index,
750 avctx->codec ? avctx->codec->name : "copy");
760 ret= av_interleaved_write_frame(s, pkt);
762 print_error("av_interleaved_write_frame()", ret);
767 static void do_audio_out(AVFormatContext *s,
770 unsigned char *buf, int size)
773 int64_t audio_out_size, audio_buf_size;
774 int64_t allocated_for_size= size;
776 int size_out, frame_bytes, ret, resample_changed;
777 AVCodecContext *enc= ost->st->codec;
778 AVCodecContext *dec= ist->st->codec;
779 int osize = av_get_bytes_per_sample(enc->sample_fmt);
780 int isize = av_get_bytes_per_sample(dec->sample_fmt);
781 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
784 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
785 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
786 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
787 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
788 audio_buf_size*= osize*enc->channels;
790 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
791 if(coded_bps > 8*osize)
792 audio_out_size= audio_out_size * coded_bps / (8*osize);
793 audio_out_size += FF_MIN_BUFFER_SIZE;
795 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
796 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
800 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
801 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
802 if (!audio_buf || !audio_out){
803 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
807 if (enc->channels != dec->channels)
808 ost->audio_resample = 1;
810 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
811 ost->resample_channels != dec->channels ||
812 ost->resample_sample_rate != dec->sample_rate;
814 if ((ost->audio_resample && !ost->resample) || resample_changed) {
815 if (resample_changed) {
816 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
817 ist->file_index, ist->st->index,
818 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
819 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
820 ost->resample_sample_fmt = dec->sample_fmt;
821 ost->resample_channels = dec->channels;
822 ost->resample_sample_rate = dec->sample_rate;
824 audio_resample_close(ost->resample);
826 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
827 if (audio_sync_method <= 1 &&
828 ost->resample_sample_fmt == enc->sample_fmt &&
829 ost->resample_channels == enc->channels &&
830 ost->resample_sample_rate == enc->sample_rate) {
831 ost->resample = NULL;
832 ost->audio_resample = 0;
834 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
835 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
836 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
837 enc->sample_rate, dec->sample_rate,
838 enc->sample_fmt, dec->sample_fmt,
840 if (!ost->resample) {
841 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
842 dec->channels, dec->sample_rate,
843 enc->channels, enc->sample_rate);
849 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
850 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
851 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
852 if (ost->reformat_ctx)
853 av_audio_convert_free(ost->reformat_ctx);
854 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
855 dec->sample_fmt, 1, NULL, 0);
856 if (!ost->reformat_ctx) {
857 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
858 av_get_sample_fmt_name(dec->sample_fmt),
859 av_get_sample_fmt_name(enc->sample_fmt));
862 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
865 if(audio_sync_method){
866 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
867 - av_fifo_size(ost->fifo)/(enc->channels * 2);
868 double idelta= delta*dec->sample_rate / enc->sample_rate;
869 int byte_delta= ((int)idelta)*2*dec->channels;
871 //FIXME resample delay
872 if(fabs(delta) > 50){
873 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
875 byte_delta= FFMAX(byte_delta, -size);
878 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
883 static uint8_t *input_tmp= NULL;
884 input_tmp= av_realloc(input_tmp, byte_delta + size);
886 if(byte_delta > allocated_for_size - size){
887 allocated_for_size= byte_delta + (int64_t)size;
892 memset(input_tmp, 0, byte_delta);
893 memcpy(input_tmp + byte_delta, buf, size);
896 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
898 }else if(audio_sync_method>1){
899 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
900 av_assert0(ost->audio_resample);
901 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
902 delta, comp, enc->sample_rate);
903 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
904 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
908 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
909 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
911 if (ost->audio_resample) {
913 size_out = audio_resample(ost->resample,
914 (short *)buftmp, (short *)buf,
915 size / (dec->channels * isize));
916 size_out = size_out * enc->channels * osize;
922 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
923 const void *ibuf[6]= {buftmp};
924 void *obuf[6]= {audio_buf};
925 int istride[6]= {isize};
926 int ostride[6]= {osize};
927 int len= size_out/istride[0];
928 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
929 printf("av_audio_convert() failed\n");
935 size_out = len*osize;
938 /* now encode as many frames as possible */
939 if (enc->frame_size > 1) {
940 /* output resampled raw samples */
941 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
942 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
945 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
947 frame_bytes = enc->frame_size * osize * enc->channels;
949 while (av_fifo_size(ost->fifo) >= frame_bytes) {
951 av_init_packet(&pkt);
953 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
955 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
957 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
960 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
964 pkt.stream_index= ost->index;
967 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
968 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
969 pkt.flags |= AV_PKT_FLAG_KEY;
970 write_frame(s, &pkt, enc, ost->bitstream_filters);
972 ost->sync_opts += enc->frame_size;
976 av_init_packet(&pkt);
978 ost->sync_opts += size_out / (osize * enc->channels);
980 /* output a pcm frame */
981 /* determine the size of the coded buffer */
984 size_out = size_out*coded_bps/8;
986 if(size_out > audio_out_size){
987 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
991 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
992 ret = avcodec_encode_audio(enc, audio_out, size_out,
995 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
999 pkt.stream_index= ost->index;
1000 pkt.data= audio_out;
1002 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1003 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1004 pkt.flags |= AV_PKT_FLAG_KEY;
1005 write_frame(s, &pkt, enc, ost->bitstream_filters);
1009 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1011 AVCodecContext *dec;
1012 AVPicture *picture2;
1013 AVPicture picture_tmp;
1016 dec = ist->st->codec;
1018 /* deinterlace : must be done before any resize */
1019 if (do_deinterlace) {
1022 /* create temporary picture */
1023 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1024 buf = av_malloc(size);
1028 picture2 = &picture_tmp;
1029 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1031 if(avpicture_deinterlace(picture2, picture,
1032 dec->pix_fmt, dec->width, dec->height) < 0) {
1033 /* if error, do not deinterlace */
1034 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1043 if (picture != picture2)
1044 *picture = *picture2;
1048 static void do_subtitle_out(AVFormatContext *s,
1054 static uint8_t *subtitle_out = NULL;
1055 int subtitle_out_max_size = 1024 * 1024;
1056 int subtitle_out_size, nb, i;
1057 AVCodecContext *enc;
1060 if (pts == AV_NOPTS_VALUE) {
1061 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1067 enc = ost->st->codec;
1069 if (!subtitle_out) {
1070 subtitle_out = av_malloc(subtitle_out_max_size);
1073 /* Note: DVB subtitle need one packet to draw them and one other
1074 packet to clear them */
1075 /* XXX: signal it in the codec context ? */
1076 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1081 for(i = 0; i < nb; i++) {
1082 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1083 // start_display_time is required to be 0
1084 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1085 sub->end_display_time -= sub->start_display_time;
1086 sub->start_display_time = 0;
1087 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1088 subtitle_out_max_size, sub);
1089 if (subtitle_out_size < 0) {
1090 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1094 av_init_packet(&pkt);
1095 pkt.stream_index = ost->index;
1096 pkt.data = subtitle_out;
1097 pkt.size = subtitle_out_size;
1098 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1099 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1100 /* XXX: the pts correction is handled here. Maybe handling
1101 it in the codec would be better */
1103 pkt.pts += 90 * sub->start_display_time;
1105 pkt.pts += 90 * sub->end_display_time;
1107 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1111 static int bit_buffer_size= 1024*256;
1112 static uint8_t *bit_buffer= NULL;
1114 static void do_video_resample(OutputStream *ost,
1116 AVFrame *in_picture,
1117 AVFrame **out_picture)
1119 int resample_changed = 0;
1120 AVCodecContext *dec = ist->st->codec;
1121 AVCodecContext *enc = ost->st->codec;
1122 *out_picture = in_picture;
1124 resample_changed = ost->resample_width != dec->width ||
1125 ost->resample_height != dec->height ||
1126 ost->resample_pix_fmt != dec->pix_fmt;
1128 #if !CONFIG_AVFILTER
1129 if (resample_changed) {
1130 av_log(NULL, AV_LOG_INFO,
1131 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1132 ist->file_index, ist->st->index,
1133 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1134 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1135 ost->resample_width = dec->width;
1136 ost->resample_height = dec->height;
1137 ost->resample_pix_fmt = dec->pix_fmt;
1140 ost->video_resample = dec->width != enc->width ||
1141 dec->height != enc->height ||
1142 dec->pix_fmt != enc->pix_fmt;
1144 if (ost->video_resample) {
1145 *out_picture = &ost->resample_frame;
1146 if (!ost->img_resample_ctx || resample_changed) {
1147 /* initialize the destination picture */
1148 if (!ost->resample_frame.data[0]) {
1149 avcodec_get_frame_defaults(&ost->resample_frame);
1150 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1151 enc->width, enc->height)) {
1152 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1156 /* initialize a new scaler context */
1157 sws_freeContext(ost->img_resample_ctx);
1158 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1159 enc->width, enc->height, enc->pix_fmt,
1160 ost->sws_flags, NULL, NULL, NULL);
1161 if (ost->img_resample_ctx == NULL) {
1162 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1166 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1167 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1170 if (resample_changed) {
1171 avfilter_graph_free(&ost->graph);
1172 if (configure_video_filters(ist, ost)) {
1173 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1178 if (resample_changed) {
1179 ost->resample_width = dec->width;
1180 ost->resample_height = dec->height;
1181 ost->resample_pix_fmt = dec->pix_fmt;
1186 static void do_video_out(AVFormatContext *s,
1189 AVFrame *in_picture,
1190 int *frame_size, float quality)
1192 int nb_frames, i, ret, format_video_sync;
1193 AVFrame *final_picture;
1194 AVCodecContext *enc;
1197 enc = ost->st->codec;
1199 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1201 /* by default, we output a single frame */
1206 format_video_sync = video_sync_method;
1207 if (format_video_sync < 0)
1208 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1210 if (format_video_sync) {
1211 double vdelta = sync_ipts - ost->sync_opts;
1212 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1215 else if (format_video_sync == 2) {
1218 }else if(vdelta>0.6)
1219 ost->sync_opts= lrintf(sync_ipts);
1220 }else if (vdelta > 1.1)
1221 nb_frames = lrintf(vdelta);
1222 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1223 if (nb_frames == 0){
1225 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1226 }else if (nb_frames > 1) {
1227 nb_frames_dup += nb_frames - 1;
1228 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1231 ost->sync_opts= lrintf(sync_ipts);
1233 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1237 do_video_resample(ost, ist, in_picture, &final_picture);
1239 /* duplicates frame if needed */
1240 for(i=0;i<nb_frames;i++) {
1242 av_init_packet(&pkt);
1243 pkt.stream_index= ost->index;
1245 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1246 /* raw pictures are written as AVPicture structure to
1247 avoid any copies. We support temporarily the older
1249 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1250 enc->coded_frame->top_field_first = in_picture->top_field_first;
1251 pkt.data= (uint8_t *)final_picture;
1252 pkt.size= sizeof(AVPicture);
1253 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1254 pkt.flags |= AV_PKT_FLAG_KEY;
1256 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1258 AVFrame big_picture;
1260 big_picture= *final_picture;
1261 /* better than nothing: use input picture interlaced
1263 big_picture.interlaced_frame = in_picture->interlaced_frame;
1264 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1265 if (ost->top_field_first == -1)
1266 big_picture.top_field_first = in_picture->top_field_first;
1268 big_picture.top_field_first = !!ost->top_field_first;
1271 /* handles same_quant here. This is not correct because it may
1272 not be a global option */
1273 big_picture.quality = quality;
1274 if (!enc->me_threshold)
1275 big_picture.pict_type = 0;
1276 // big_picture.pts = AV_NOPTS_VALUE;
1277 big_picture.pts= ost->sync_opts;
1278 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1279 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1280 if (ost->forced_kf_index < ost->forced_kf_count &&
1281 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1282 big_picture.pict_type = AV_PICTURE_TYPE_I;
1283 ost->forced_kf_index++;
1285 ret = avcodec_encode_video(enc,
1286 bit_buffer, bit_buffer_size,
1289 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1294 pkt.data= bit_buffer;
1296 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1297 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1298 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1299 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1300 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1302 if(enc->coded_frame->key_frame)
1303 pkt.flags |= AV_PKT_FLAG_KEY;
1304 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1307 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1308 // enc->frame_number-1, ret, enc->pict_type);
1309 /* if two pass, output log */
1310 if (ost->logfile && enc->stats_out) {
1311 fprintf(ost->logfile, "%s", enc->stats_out);
1316 ost->frame_number++;
1320 static double psnr(double d){
1321 return -10.0*log(d)/log(10.0);
1324 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1327 AVCodecContext *enc;
1329 double ti1, bitrate, avg_bitrate;
1331 /* this is executed just the first time do_video_stats is called */
1333 vstats_file = fopen(vstats_filename, "w");
1340 enc = ost->st->codec;
1341 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1342 frame_number = ost->frame_number;
1343 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1344 if (enc->flags&CODEC_FLAG_PSNR)
1345 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1347 fprintf(vstats_file,"f_size= %6d ", frame_size);
1348 /* compute pts value */
1349 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1353 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1354 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1355 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1356 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1357 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1361 static void print_report(OutputFile *output_files,
1362 OutputStream *ost_table, int nb_ostreams,
1363 int is_last_report, int64_t timer_start)
1367 AVFormatContext *oc;
1369 AVCodecContext *enc;
1370 int frame_number, vid, i;
1372 int64_t pts = INT64_MAX;
1373 static int64_t last_time = -1;
1374 static int qp_histogram[52];
1375 int hours, mins, secs, us;
1377 if (!is_last_report) {
1379 /* display the report every 0.5 seconds */
1380 cur_time = av_gettime();
1381 if (last_time == -1) {
1382 last_time = cur_time;
1385 if ((cur_time - last_time) < 500000)
1387 last_time = cur_time;
1391 oc = output_files[0].ctx;
1393 total_size = avio_size(oc->pb);
1394 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1395 total_size= avio_tell(oc->pb);
1399 for(i=0;i<nb_ostreams;i++) {
1401 ost = &ost_table[i];
1402 enc = ost->st->codec;
1403 if (!ost->st->stream_copy && enc->coded_frame)
1404 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1405 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1406 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1408 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1409 float t = (av_gettime()-timer_start) / 1000000.0;
1411 frame_number = ost->frame_number;
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1413 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1415 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1419 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1424 if (enc->flags&CODEC_FLAG_PSNR){
1426 double error, error_sum=0;
1427 double scale, scale_sum=0;
1428 char type[3]= {'Y','U','V'};
1429 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1432 error= enc->error[j];
1433 scale= enc->width*enc->height*255.0*255.0*frame_number;
1435 error= enc->coded_frame->error[j];
1436 scale= enc->width*enc->height*255.0*255.0;
1441 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1443 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1447 /* compute min output value */
1448 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1449 ost->st->time_base, AV_TIME_BASE_Q));
1452 secs = pts / AV_TIME_BASE;
1453 us = pts % AV_TIME_BASE;
1459 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1462 "size=%8.0fkB time=", total_size / 1024.0);
1463 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1464 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1465 (100 * us) / AV_TIME_BASE);
1466 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1467 "bitrate=%6.1fkbits/s", bitrate);
1469 if (nb_frames_dup || nb_frames_drop)
1470 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1471 nb_frames_dup, nb_frames_drop);
1473 av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s \r", buf);
1477 if (is_last_report) {
1478 int64_t raw= audio_size + video_size + extra_size;
1479 av_log(NULL, AV_LOG_INFO, "\n");
1480 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1484 100.0*(total_size - raw)/raw
1489 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1491 int fill_char = 0x00;
1492 if (sample_fmt == AV_SAMPLE_FMT_U8)
1494 memset(buf, fill_char, size);
1497 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1501 for (i = 0; i < nb_ostreams; i++) {
1502 OutputStream *ost = &ost_table[i];
1503 AVCodecContext *enc = ost->st->codec;
1504 AVFormatContext *os = output_files[ost->file_index].ctx;
1506 if (!ost->encoding_needed)
1509 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1511 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1517 av_init_packet(&pkt);
1518 pkt.stream_index= ost->index;
1520 switch (ost->st->codec->codec_type) {
1521 case AVMEDIA_TYPE_AUDIO:
1522 fifo_bytes = av_fifo_size(ost->fifo);
1524 /* encode any samples remaining in fifo */
1525 if (fifo_bytes > 0) {
1526 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1527 int fs_tmp = enc->frame_size;
1529 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1530 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1531 enc->frame_size = fifo_bytes / (osize * enc->channels);
1533 int frame_bytes = enc->frame_size*osize*enc->channels;
1534 if (allocated_audio_buf_size < frame_bytes)
1536 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1539 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1540 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1541 ost->st->time_base.num, enc->sample_rate);
1542 enc->frame_size = fs_tmp;
1545 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1548 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1552 pkt.flags |= AV_PKT_FLAG_KEY;
1554 case AVMEDIA_TYPE_VIDEO:
1555 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1557 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1561 if(enc->coded_frame && enc->coded_frame->key_frame)
1562 pkt.flags |= AV_PKT_FLAG_KEY;
1563 if (ost->logfile && enc->stats_out) {
1564 fprintf(ost->logfile, "%s", enc->stats_out);
1573 pkt.data = bit_buffer;
1575 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1576 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1577 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1582 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1583 static int output_packet(InputStream *ist, int ist_index,
1584 OutputStream *ost_table, int nb_ostreams,
1585 const AVPacket *pkt)
1587 AVFormatContext *os;
1591 void *buffer_to_free = NULL;
1592 static unsigned int samples_size= 0;
1593 AVSubtitle subtitle, *subtitle_to_free;
1594 int64_t pkt_pts = AV_NOPTS_VALUE;
1596 int frame_available;
1601 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1603 if(ist->next_pts == AV_NOPTS_VALUE)
1604 ist->next_pts= ist->pts;
1608 av_init_packet(&avpkt);
1616 if(pkt->dts != AV_NOPTS_VALUE)
1617 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1618 if(pkt->pts != AV_NOPTS_VALUE)
1619 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1621 //while we have more to decode or while the decoder did output something on EOF
1622 while (avpkt.size > 0 || (!pkt && got_output)) {
1623 uint8_t *data_buf, *decoded_data_buf;
1624 int data_size, decoded_data_size;
1625 AVFrame *decoded_frame, *filtered_frame;
1627 ist->pts= ist->next_pts;
1629 if(avpkt.size && avpkt.size != pkt->size)
1630 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1631 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1632 ist->showed_multi_packet_warning=1;
1634 /* decode the packet if needed */
1635 decoded_frame = filtered_frame = NULL;
1636 decoded_data_buf = NULL; /* fail safe */
1637 decoded_data_size= 0;
1638 data_buf = avpkt.data;
1639 data_size = avpkt.size;
1640 subtitle_to_free = NULL;
1641 if (ist->decoding_needed) {
1642 switch(ist->st->codec->codec_type) {
1643 case AVMEDIA_TYPE_AUDIO:{
1644 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1645 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1647 samples= av_malloc(samples_size);
1649 decoded_data_size= samples_size;
1650 /* XXX: could avoid copy if PCM 16 bits with same
1651 endianness as CPU */
1652 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1659 got_output = decoded_data_size > 0;
1660 /* Some bug in mpeg audio decoder gives */
1661 /* decoded_data_size < 0, it seems they are overflows */
1663 /* no audio frame */
1666 decoded_data_buf = (uint8_t *)samples;
1667 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1668 (ist->st->codec->sample_rate * ist->st->codec->channels);
1670 case AVMEDIA_TYPE_VIDEO:
1671 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1672 if (!(decoded_frame = avcodec_alloc_frame()))
1673 return AVERROR(ENOMEM);
1674 avpkt.pts = pkt_pts;
1675 avpkt.dts = ist->pts;
1676 pkt_pts = AV_NOPTS_VALUE;
1678 ret = avcodec_decode_video2(ist->st->codec,
1679 decoded_frame, &got_output, &avpkt);
1680 quality = same_quant ? decoded_frame->quality : 0;
1684 /* no picture yet */
1685 av_freep(&decoded_frame);
1686 goto discard_packet;
1688 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1689 if (ist->st->codec->time_base.num != 0) {
1690 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1691 ist->next_pts += ((int64_t)AV_TIME_BASE *
1692 ist->st->codec->time_base.num * ticks) /
1693 ist->st->codec->time_base.den;
1696 buffer_to_free = NULL;
1697 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1699 case AVMEDIA_TYPE_SUBTITLE:
1700 ret = avcodec_decode_subtitle2(ist->st->codec,
1701 &subtitle, &got_output, &avpkt);
1705 goto discard_packet;
1707 subtitle_to_free = &subtitle;
1714 switch(ist->st->codec->codec_type) {
1715 case AVMEDIA_TYPE_AUDIO:
1716 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1717 ist->st->codec->sample_rate;
1719 case AVMEDIA_TYPE_VIDEO:
1720 if (ist->st->codec->time_base.num != 0) {
1721 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1722 ist->next_pts += ((int64_t)AV_TIME_BASE *
1723 ist->st->codec->time_base.num * ticks) /
1724 ist->st->codec->time_base.den;
1731 // preprocess audio (volume)
1732 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1733 if (audio_volume != 256) {
1734 switch (ist->st->codec->sample_fmt) {
1735 case AV_SAMPLE_FMT_U8:
1737 uint8_t *volp = samples;
1738 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1739 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1740 *volp++ = av_clip_uint8(v);
1744 case AV_SAMPLE_FMT_S16:
1746 int16_t *volp = samples;
1747 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1748 int v = ((*volp) * audio_volume + 128) >> 8;
1749 *volp++ = av_clip_int16(v);
1753 case AV_SAMPLE_FMT_S32:
1755 int32_t *volp = samples;
1756 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1757 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1758 *volp++ = av_clipl_int32(v);
1762 case AV_SAMPLE_FMT_FLT:
1764 float *volp = samples;
1765 float scale = audio_volume / 256.f;
1766 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1771 case AV_SAMPLE_FMT_DBL:
1773 double *volp = samples;
1774 double scale = audio_volume / 256.;
1775 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1781 av_log(NULL, AV_LOG_FATAL,
1782 "Audio volume adjustment on sample format %s is not supported.\n",
1783 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1789 /* frame rate emulation */
1790 if (input_files[ist->file_index].rate_emu) {
1791 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1792 int64_t now = av_gettime() - ist->start;
1796 /* if output time reached then transcode raw format,
1797 encode packets and output them */
1798 for (i = 0; i < nb_ostreams; i++) {
1799 OutputFile *of = &output_files[ost_table[i].file_index];
1802 ost = &ost_table[i];
1803 if (ost->source_index != ist_index)
1806 if (of->start_time && ist->pts < of->start_time)
1809 if (of->recording_time != INT64_MAX &&
1810 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1811 (AVRational){1, 1000000}) >= 0) {
1812 ost->is_past_recording_time = 1;
1817 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1818 ost->input_video_filter) {
1819 if (!decoded_frame->sample_aspect_ratio.num)
1820 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1821 decoded_frame->pts = ist->pts;
1823 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1824 if (!(filtered_frame = avcodec_alloc_frame())) {
1825 ret = AVERROR(ENOMEM);
1829 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1830 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1831 while (frame_available) {
1832 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1833 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1834 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1837 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1838 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1842 filtered_frame = decoded_frame;
1844 os = output_files[ost->file_index].ctx;
1846 /* set the input output pts pairs */
1847 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1849 if (ost->encoding_needed) {
1850 av_assert0(ist->decoding_needed);
1851 switch(ost->st->codec->codec_type) {
1852 case AVMEDIA_TYPE_AUDIO:
1853 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1855 case AVMEDIA_TYPE_VIDEO:
1857 if (ost->picref->video && !ost->frame_aspect_ratio)
1858 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1860 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1861 same_quant ? quality : ost->st->codec->global_quality);
1862 if (vstats_filename && frame_size)
1863 do_video_stats(os, ost, frame_size);
1865 case AVMEDIA_TYPE_SUBTITLE:
1866 do_subtitle_out(os, ost, ist, &subtitle,
1875 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1876 av_init_packet(&opkt);
1878 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1879 #if !CONFIG_AVFILTER
1885 /* no reencoding needed : output the packet directly */
1886 /* force the input stream PTS */
1888 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1889 audio_size += data_size;
1890 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1891 video_size += data_size;
1895 opkt.stream_index= ost->index;
1896 if(pkt->pts != AV_NOPTS_VALUE)
1897 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1899 opkt.pts= AV_NOPTS_VALUE;
1901 if (pkt->dts == AV_NOPTS_VALUE)
1902 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1904 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1905 opkt.dts -= ost_tb_start_time;
1907 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1908 opkt.flags= pkt->flags;
1910 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1911 if( ost->st->codec->codec_id != CODEC_ID_H264
1912 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1913 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1915 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1916 opkt.destruct= av_destruct_packet;
1918 opkt.data = data_buf;
1919 opkt.size = data_size;
1922 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1923 /* store AVPicture in AVPacket, as expected by the output format */
1924 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1925 opkt.data = (uint8_t *)&pict;
1926 opkt.size = sizeof(AVPicture);
1927 opkt.flags |= AV_PKT_FLAG_KEY;
1929 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1930 ost->st->codec->frame_number++;
1931 ost->frame_number++;
1932 av_free_packet(&opkt);
1936 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1937 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1939 avfilter_unref_buffer(ost->picref);
1941 av_freep(&filtered_frame);
1946 av_free(buffer_to_free);
1947 /* XXX: allocate the subtitles in the codec ? */
1948 if (subtitle_to_free) {
1949 avsubtitle_free(subtitle_to_free);
1950 subtitle_to_free = NULL;
1952 av_freep(&decoded_frame);
1961 static void print_sdp(OutputFile *output_files, int n)
1965 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1969 for (i = 0; i < n; i++)
1970 avc[i] = output_files[i].ctx;
1972 av_sdp_create(avc, n, sdp, sizeof(sdp));
1973 printf("SDP:\n%s\n", sdp);
1978 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1979 char *error, int error_len)
1982 InputStream *ist = &input_streams[ist_index];
1983 if (ist->decoding_needed) {
1984 AVCodec *codec = ist->dec;
1986 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1987 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1988 return AVERROR(EINVAL);
1991 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1992 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1993 ist->file_index, ist->st->index);
1994 return AVERROR(EINVAL);
1996 assert_codec_experimental(ist->st->codec, 0);
1997 assert_avoptions(ist->opts);
2000 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2001 ist->next_pts = AV_NOPTS_VALUE;
2007 static int transcode_init(OutputFile *output_files,
2008 int nb_output_files,
2009 InputFile *input_files,
2012 int ret = 0, i, j, k;
2013 AVFormatContext *os;
2014 AVCodecContext *codec, *icodec;
2020 /* init framerate emulation */
2021 for (i = 0; i < nb_input_files; i++) {
2022 InputFile *ifile = &input_files[i];
2023 if (ifile->rate_emu)
2024 for (j = 0; j < ifile->nb_streams; j++)
2025 input_streams[j + ifile->ist_index].start = av_gettime();
2028 /* output stream init */
2029 for(i=0;i<nb_output_files;i++) {
2030 os = output_files[i].ctx;
2031 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2032 av_dump_format(os, i, os->filename, 1);
2033 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2034 return AVERROR(EINVAL);
2038 /* for each output stream, we compute the right encoding parameters */
2039 for (i = 0; i < nb_output_streams; i++) {
2040 ost = &output_streams[i];
2041 os = output_files[ost->file_index].ctx;
2042 ist = &input_streams[ost->source_index];
2044 codec = ost->st->codec;
2045 icodec = ist->st->codec;
2047 ost->st->disposition = ist->st->disposition;
2048 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2049 codec->chroma_sample_location = icodec->chroma_sample_location;
2051 if (ost->st->stream_copy) {
2052 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2054 if (extra_size > INT_MAX) {
2055 return AVERROR(EINVAL);
2058 /* if stream_copy is selected, no need to decode or encode */
2059 codec->codec_id = icodec->codec_id;
2060 codec->codec_type = icodec->codec_type;
2062 if(!codec->codec_tag){
2063 if( !os->oformat->codec_tag
2064 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2065 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2066 codec->codec_tag = icodec->codec_tag;
2069 codec->bit_rate = icodec->bit_rate;
2070 codec->rc_max_rate = icodec->rc_max_rate;
2071 codec->rc_buffer_size = icodec->rc_buffer_size;
2072 codec->extradata= av_mallocz(extra_size);
2073 if (!codec->extradata) {
2074 return AVERROR(ENOMEM);
2076 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2077 codec->extradata_size= icodec->extradata_size;
2079 codec->time_base = ist->st->time_base;
2080 if(!strcmp(os->oformat->name, "avi")) {
2081 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2082 codec->time_base = icodec->time_base;
2083 codec->time_base.num *= icodec->ticks_per_frame;
2084 codec->time_base.den *= 2;
2086 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2087 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2088 codec->time_base = icodec->time_base;
2089 codec->time_base.num *= icodec->ticks_per_frame;
2092 av_reduce(&codec->time_base.num, &codec->time_base.den,
2093 codec->time_base.num, codec->time_base.den, INT_MAX);
2095 switch(codec->codec_type) {
2096 case AVMEDIA_TYPE_AUDIO:
2097 if(audio_volume != 256) {
2098 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2101 codec->channel_layout = icodec->channel_layout;
2102 codec->sample_rate = icodec->sample_rate;
2103 codec->channels = icodec->channels;
2104 codec->frame_size = icodec->frame_size;
2105 codec->audio_service_type = icodec->audio_service_type;
2106 codec->block_align= icodec->block_align;
2107 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2108 codec->block_align= 0;
2109 if(codec->codec_id == CODEC_ID_AC3)
2110 codec->block_align= 0;
2112 case AVMEDIA_TYPE_VIDEO:
2113 codec->pix_fmt = icodec->pix_fmt;
2114 codec->width = icodec->width;
2115 codec->height = icodec->height;
2116 codec->has_b_frames = icodec->has_b_frames;
2117 if (!codec->sample_aspect_ratio.num) {
2118 codec->sample_aspect_ratio =
2119 ost->st->sample_aspect_ratio =
2120 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2121 ist->st->codec->sample_aspect_ratio.num ?
2122 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2125 case AVMEDIA_TYPE_SUBTITLE:
2126 codec->width = icodec->width;
2127 codec->height = icodec->height;
2129 case AVMEDIA_TYPE_DATA:
2130 case AVMEDIA_TYPE_ATTACHMENT:
2137 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2138 switch(codec->codec_type) {
2139 case AVMEDIA_TYPE_AUDIO:
2140 ost->fifo= av_fifo_alloc(1024);
2142 return AVERROR(ENOMEM);
2144 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2145 if (!codec->sample_rate) {
2146 codec->sample_rate = icodec->sample_rate;
2148 choose_sample_rate(ost->st, ost->enc);
2149 codec->time_base = (AVRational){1, codec->sample_rate};
2150 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2151 codec->sample_fmt = icodec->sample_fmt;
2152 choose_sample_fmt(ost->st, ost->enc);
2153 if (!codec->channels) {
2154 codec->channels = icodec->channels;
2155 codec->channel_layout = icodec->channel_layout;
2157 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2158 codec->channel_layout = 0;
2159 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2160 icodec->request_channels = codec->channels;
2161 ist->decoding_needed = 1;
2162 ost->encoding_needed = 1;
2163 ost->resample_sample_fmt = icodec->sample_fmt;
2164 ost->resample_sample_rate = icodec->sample_rate;
2165 ost->resample_channels = icodec->channels;
2167 case AVMEDIA_TYPE_VIDEO:
2168 if (codec->pix_fmt == PIX_FMT_NONE)
2169 codec->pix_fmt = icodec->pix_fmt;
2170 choose_pixel_fmt(ost->st, ost->enc);
2172 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2173 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2177 if (!codec->width || !codec->height) {
2178 codec->width = icodec->width;
2179 codec->height = icodec->height;
2182 ost->video_resample = codec->width != icodec->width ||
2183 codec->height != icodec->height ||
2184 codec->pix_fmt != icodec->pix_fmt;
2185 if (ost->video_resample) {
2186 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2189 ost->resample_height = icodec->height;
2190 ost->resample_width = icodec->width;
2191 ost->resample_pix_fmt= icodec->pix_fmt;
2192 ost->encoding_needed = 1;
2193 ist->decoding_needed = 1;
2195 if (!ost->frame_rate.num)
2196 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2197 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2198 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2199 ost->frame_rate = ost->enc->supported_framerates[idx];
2201 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2202 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2203 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2204 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2205 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2209 if (configure_video_filters(ist, ost)) {
2210 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2215 case AVMEDIA_TYPE_SUBTITLE:
2216 ost->encoding_needed = 1;
2217 ist->decoding_needed = 1;
2224 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2225 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2226 char logfilename[1024];
2229 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2230 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2232 if (codec->flags & CODEC_FLAG_PASS1) {
2233 f = fopen(logfilename, "wb");
2235 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2236 logfilename, strerror(errno));
2242 size_t logbuffer_size;
2243 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2244 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2248 codec->stats_in = logbuffer;
2252 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2253 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2254 int size= codec->width * codec->height;
2255 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2260 bit_buffer = av_malloc(bit_buffer_size);
2262 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2264 return AVERROR(ENOMEM);
2267 /* open each encoder */
2268 for (i = 0; i < nb_output_streams; i++) {
2269 ost = &output_streams[i];
2270 if (ost->encoding_needed) {
2271 AVCodec *codec = ost->enc;
2272 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2274 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2275 ost->st->codec->codec_id, ost->file_index, ost->index);
2276 ret = AVERROR(EINVAL);
2279 if (dec->subtitle_header) {
2280 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2281 if (!ost->st->codec->subtitle_header) {
2282 ret = AVERROR(ENOMEM);
2285 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2286 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2288 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2289 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2290 ost->file_index, ost->index);
2291 ret = AVERROR(EINVAL);
2294 assert_codec_experimental(ost->st->codec, 1);
2295 assert_avoptions(ost->opts);
2296 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2297 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2298 "It takes bits/s as argument, not kbits/s\n");
2299 extra_size += ost->st->codec->extradata_size;
2301 if (ost->st->codec->me_threshold)
2302 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2306 /* init input streams */
2307 for (i = 0; i < nb_input_streams; i++)
2308 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2311 /* discard unused programs */
2312 for (i = 0; i < nb_input_files; i++) {
2313 InputFile *ifile = &input_files[i];
2314 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2315 AVProgram *p = ifile->ctx->programs[j];
2316 int discard = AVDISCARD_ALL;
2318 for (k = 0; k < p->nb_stream_indexes; k++)
2319 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2320 discard = AVDISCARD_DEFAULT;
2323 p->discard = discard;
2327 /* open files and write file headers */
2328 for (i = 0; i < nb_output_files; i++) {
2329 os = output_files[i].ctx;
2330 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2331 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2332 ret = AVERROR(EINVAL);
2335 // assert_avoptions(output_files[i].opts);
2336 if (strcmp(os->oformat->name, "rtp")) {
2342 /* dump the file output parameters - cannot be done before in case
2344 for(i=0;i<nb_output_files;i++) {
2345 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2348 /* dump the stream mapping */
2349 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2350 for (i = 0; i < nb_output_streams; i++) {
2351 ost = &output_streams[i];
2352 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2353 input_streams[ost->source_index].file_index,
2354 input_streams[ost->source_index].st->index,
2357 if (ost->sync_ist != &input_streams[ost->source_index])
2358 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2359 ost->sync_ist->file_index,
2360 ost->sync_ist->st->index);
2361 if (ost->st->stream_copy)
2362 av_log(NULL, AV_LOG_INFO, " (copy)");
2364 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2365 input_streams[ost->source_index].dec->name : "?",
2366 ost->enc ? ost->enc->name : "?");
2367 av_log(NULL, AV_LOG_INFO, "\n");
2371 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2376 print_sdp(output_files, nb_output_files);
2383 * The following code is the main loop of the file converter
2385 static int transcode(OutputFile *output_files,
2386 int nb_output_files,
2387 InputFile *input_files,
2391 AVFormatContext *is, *os;
2395 int no_packet_count=0;
2396 int64_t timer_start;
2399 if (!(no_packet = av_mallocz(nb_input_files)))
2402 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2407 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2408 avio_set_interrupt_cb(decode_interrupt_cb);
2412 timer_start = av_gettime();
2414 for(; received_sigterm == 0;) {
2415 int file_index, ist_index;
2420 ipts_min = INT64_MAX;
2422 /* if 'q' pressed, exits */
2426 /* read_key() returns 0 on EOF */
2430 if (key == '+') av_log_set_level(av_log_get_level()+10);
2431 if (key == '-') av_log_set_level(av_log_get_level()-10);
2432 if (key == 's') qp_hist ^= 1;
2435 do_hex_dump = do_pkt_dump = 0;
2436 } else if(do_pkt_dump){
2440 av_log_set_level(AV_LOG_DEBUG);
2442 if (key == 'd' || key == 'D'){
2445 debug = input_streams[0].st->codec->debug<<1;
2446 if(!debug) debug = 1;
2447 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2450 scanf("%d", &debug);
2451 for(i=0;i<nb_input_streams;i++) {
2452 input_streams[i].st->codec->debug = debug;
2454 for(i=0;i<nb_output_streams;i++) {
2455 ost = &output_streams[i];
2456 ost->st->codec->debug = debug;
2458 if(debug) av_log_set_level(AV_LOG_DEBUG);
2459 fprintf(stderr,"debug=%d\n", debug);
2462 fprintf(stderr, "key function\n"
2463 "? show this help\n"
2464 "+ increase verbosity\n"
2465 "- decrease verbosity\n"
2466 "D cycle through available debug modes\n"
2467 "h dump packets/hex press to cycle through the 3 states\n"
2469 "s Show QP histogram\n"
2474 /* select the stream that we must read now by looking at the
2475 smallest output pts */
2477 for (i = 0; i < nb_output_streams; i++) {
2481 ost = &output_streams[i];
2482 of = &output_files[ost->file_index];
2483 os = output_files[ost->file_index].ctx;
2484 ist = &input_streams[ost->source_index];
2485 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2486 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2488 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2490 if (!input_files[ist->file_index].eof_reached){
2491 if(ipts < ipts_min) {
2493 if(input_sync ) file_index = ist->file_index;
2495 if(opts < opts_min) {
2497 if(!input_sync) file_index = ist->file_index;
2500 if (ost->frame_number >= ost->max_frames) {
2502 for (j = 0; j < of->ctx->nb_streams; j++)
2503 output_streams[of->ost_index + j].is_past_recording_time = 1;
2507 /* if none, if is finished */
2508 if (file_index < 0) {
2509 if(no_packet_count){
2511 memset(no_packet, 0, nb_input_files);
2518 /* read a frame from it and output it in the fifo */
2519 is = input_files[file_index].ctx;
2520 ret= av_read_frame(is, &pkt);
2521 if(ret == AVERROR(EAGAIN)){
2522 no_packet[file_index]=1;
2527 input_files[file_index].eof_reached = 1;
2535 memset(no_packet, 0, nb_input_files);
2538 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2539 is->streams[pkt.stream_index]);
2541 /* the following test is needed in case new streams appear
2542 dynamically in stream : we ignore them */
2543 if (pkt.stream_index >= input_files[file_index].nb_streams)
2544 goto discard_packet;
2545 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2546 ist = &input_streams[ist_index];
2548 goto discard_packet;
2550 if (pkt.dts != AV_NOPTS_VALUE)
2551 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2552 if (pkt.pts != AV_NOPTS_VALUE)
2553 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2555 if(pkt.pts != AV_NOPTS_VALUE)
2556 pkt.pts *= ist->ts_scale;
2557 if(pkt.dts != AV_NOPTS_VALUE)
2558 pkt.dts *= ist->ts_scale;
2560 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2561 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2562 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2563 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2564 int64_t delta= pkt_dts - ist->next_pts;
2565 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2566 input_files[ist->file_index].ts_offset -= delta;
2567 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2568 delta, input_files[ist->file_index].ts_offset);
2569 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2570 if(pkt.pts != AV_NOPTS_VALUE)
2571 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2575 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2576 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2578 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2579 ist->file_index, ist->st->index);
2582 av_free_packet(&pkt);
2587 av_free_packet(&pkt);
2589 /* dump report by using the output first video and audio streams */
2590 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2593 /* at the end of stream, we must flush the decoder buffers */
2594 for (i = 0; i < nb_input_streams; i++) {
2595 ist = &input_streams[i];
2596 if (ist->decoding_needed) {
2597 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2600 flush_encoders(output_streams, nb_output_streams);
2604 /* write the trailer if needed and close file */
2605 for(i=0;i<nb_output_files;i++) {
2606 os = output_files[i].ctx;
2607 av_write_trailer(os);
2610 /* dump report by using the first video and audio streams */
2611 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2613 /* close each encoder */
2614 for (i = 0; i < nb_output_streams; i++) {
2615 ost = &output_streams[i];
2616 if (ost->encoding_needed) {
2617 av_freep(&ost->st->codec->stats_in);
2618 avcodec_close(ost->st->codec);
2621 avfilter_graph_free(&ost->graph);
2625 /* close each decoder */
2626 for (i = 0; i < nb_input_streams; i++) {
2627 ist = &input_streams[i];
2628 if (ist->decoding_needed) {
2629 avcodec_close(ist->st->codec);
2637 av_freep(&bit_buffer);
2638 av_freep(&no_packet);
2640 if (output_streams) {
2641 for (i = 0; i < nb_output_streams; i++) {
2642 ost = &output_streams[i];
2644 if (ost->st->stream_copy)
2645 av_freep(&ost->st->codec->extradata);
2647 fclose(ost->logfile);
2648 ost->logfile = NULL;
2650 av_fifo_free(ost->fifo); /* works even if fifo is not
2651 initialized but set to zero */
2652 av_freep(&ost->st->codec->subtitle_header);
2653 av_free(ost->resample_frame.data[0]);
2654 av_free(ost->forced_kf_pts);
2655 if (ost->video_resample)
2656 sws_freeContext(ost->img_resample_ctx);
2658 audio_resample_close(ost->resample);
2659 if (ost->reformat_ctx)
2660 av_audio_convert_free(ost->reformat_ctx);
2661 av_dict_free(&ost->opts);
2668 static int opt_verbose(const char *opt, const char *arg)
2670 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
2674 static double parse_frame_aspect_ratio(const char *arg)
2681 p = strchr(arg, ':');
2683 x = strtol(arg, &end, 10);
2685 y = strtol(end+1, &end, 10);
2687 ar = (double)x / (double)y;
2689 ar = strtod(arg, NULL);
2692 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2698 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2700 return parse_option(o, "codec:a", arg, options);
2703 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2705 return parse_option(o, "codec:v", arg, options);
2708 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2710 return parse_option(o, "codec:s", arg, options);
2713 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2715 return parse_option(o, "codec:d", arg, options);
2718 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2720 StreamMap *m = NULL;
2721 int i, negative = 0, file_idx;
2722 int sync_file_idx = -1, sync_stream_idx;
2730 map = av_strdup(arg);
2732 /* parse sync stream first, just pick first matching stream */
2733 if (sync = strchr(map, ',')) {
2735 sync_file_idx = strtol(sync + 1, &sync, 0);
2736 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2737 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2742 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2743 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2744 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2745 sync_stream_idx = i;
2748 if (i == input_files[sync_file_idx].nb_streams) {
2749 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2750 "match any streams.\n", arg);
2756 file_idx = strtol(map, &p, 0);
2757 if (file_idx >= nb_input_files || file_idx < 0) {
2758 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2762 /* disable some already defined maps */
2763 for (i = 0; i < o->nb_stream_maps; i++) {
2764 m = &o->stream_maps[i];
2765 if (check_stream_specifier(input_files[m->file_index].ctx,
2766 input_files[m->file_index].ctx->streams[m->stream_index],
2767 *p == ':' ? p + 1 : p) > 0)
2771 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2772 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2773 *p == ':' ? p + 1 : p) <= 0)
2775 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2776 &o->nb_stream_maps, o->nb_stream_maps + 1);
2777 m = &o->stream_maps[o->nb_stream_maps - 1];
2779 m->file_index = file_idx;
2780 m->stream_index = i;
2782 if (sync_file_idx >= 0) {
2783 m->sync_file_index = sync_file_idx;
2784 m->sync_stream_index = sync_stream_idx;
2786 m->sync_file_index = file_idx;
2787 m->sync_stream_index = i;
2792 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2800 static void parse_meta_type(char *arg, char *type, int *index)
2810 if (*(++arg) == ':')
2811 *index = strtol(++arg, NULL, 0);
2814 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
2821 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2823 MetadataMap *m, *m1;
2826 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2827 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2829 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2830 m->file = strtol(arg, &p, 0);
2831 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2833 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2834 if (p = strchr(opt, ':'))
2835 parse_meta_type(p + 1, &m1->type, &m1->index);
2839 if (m->type == 'g' || m1->type == 'g')
2840 o->metadata_global_manual = 1;
2841 if (m->type == 's' || m1->type == 's')
2842 o->metadata_streams_manual = 1;
2843 if (m->type == 'c' || m1->type == 'c')
2844 o->metadata_chapters_manual = 1;
2849 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2851 const char *codec_string = encoder ? "encoder" : "decoder";
2855 return CODEC_ID_NONE;
2857 avcodec_find_encoder_by_name(name) :
2858 avcodec_find_decoder_by_name(name);
2860 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
2863 if(codec->type != type) {
2864 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
2870 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2872 char *codec_name = NULL;
2874 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2878 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2879 return avcodec_find_encoder(st->codec->codec_id);
2881 } else if (!strcmp(codec_name, "copy"))
2882 st->stream_copy = 1;
2884 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2885 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2886 avcodec_find_decoder_by_name(codec_name);
2893 * Add all the streams from the given input file to the global
2894 * list of input streams.
2896 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2898 int i, rfps, rfps_base;
2900 for (i = 0; i < ic->nb_streams; i++) {
2901 AVStream *st = ic->streams[i];
2902 AVCodecContext *dec = st->codec;
2906 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2907 ist = &input_streams[nb_input_streams - 1];
2909 ist->file_index = nb_input_files;
2911 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2913 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2914 ist->ts_scale = scale;
2916 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2918 ist->dec = avcodec_find_decoder(dec->codec_id);
2920 switch (dec->codec_type) {
2921 case AVMEDIA_TYPE_AUDIO:
2923 ist->dec = avcodec_find_decoder(dec->codec_id);
2924 if(o->audio_disable)
2925 st->discard= AVDISCARD_ALL;
2927 case AVMEDIA_TYPE_VIDEO:
2929 ist->dec = avcodec_find_decoder(dec->codec_id);
2930 rfps = ic->streams[i]->r_frame_rate.num;
2931 rfps_base = ic->streams[i]->r_frame_rate.den;
2933 dec->flags |= CODEC_FLAG_EMU_EDGE;
2936 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2938 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2939 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2940 (float)rfps / rfps_base, rfps, rfps_base);
2943 if (o->video_disable)
2944 st->discard= AVDISCARD_ALL;
2945 else if(video_discard)
2946 st->discard= video_discard;
2948 case AVMEDIA_TYPE_DATA:
2950 case AVMEDIA_TYPE_SUBTITLE:
2952 ist->dec = avcodec_find_decoder(dec->codec_id);
2953 if(o->subtitle_disable)
2954 st->discard = AVDISCARD_ALL;
2956 case AVMEDIA_TYPE_ATTACHMENT:
2957 case AVMEDIA_TYPE_UNKNOWN:
2965 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2967 AVFormatContext *ic;
2968 AVInputFormat *file_iformat = NULL;
2972 AVDictionary **opts;
2973 int orig_nb_streams; // number of streams before avformat_find_stream_info
2976 if (!(file_iformat = av_find_input_format(o->format))) {
2977 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
2982 if (!strcmp(filename, "-"))
2985 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2986 !strcmp(filename, "/dev/stdin");
2988 /* get default parameters from command line */
2989 ic = avformat_alloc_context();
2991 print_error(filename, AVERROR(ENOMEM));
2994 if (o->nb_audio_sample_rate) {
2995 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2996 av_dict_set(&format_opts, "sample_rate", buf, 0);
2998 if (o->nb_audio_channels) {
2999 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3000 av_dict_set(&format_opts, "channels", buf, 0);
3002 if (o->nb_frame_rates) {
3003 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3005 if (o->nb_frame_sizes) {
3006 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3008 if (o->nb_frame_pix_fmts)
3009 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3011 ic->flags |= AVFMT_FLAG_NONBLOCK;
3013 /* open the input file with generic libav function */
3014 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3016 print_error(filename, err);
3019 assert_avoptions(format_opts);
3021 /* apply forced codec ids */
3022 for (i = 0; i < ic->nb_streams; i++)
3023 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
3025 /* Set AVCodecContext options for avformat_find_stream_info */
3026 opts = setup_find_stream_info_opts(ic, codec_opts);
3027 orig_nb_streams = ic->nb_streams;
3029 /* If not enough info to get the stream parameters, we decode the
3030 first frames to get it. (used in mpeg case for example) */
3031 ret = avformat_find_stream_info(ic, opts);
3033 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3034 av_close_input_file(ic);
3038 timestamp = o->start_time;
3039 /* add the stream start time */
3040 if (ic->start_time != AV_NOPTS_VALUE)
3041 timestamp += ic->start_time;
3043 /* if seeking requested, we execute it */
3044 if (o->start_time != 0) {
3045 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3047 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3048 filename, (double)timestamp / AV_TIME_BASE);
3052 /* update the current parameters so that they match the one of the input stream */
3053 add_input_streams(o, ic);
3055 /* dump the file content */
3056 av_dump_format(ic, nb_input_files, filename, 0);
3058 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3059 input_files[nb_input_files - 1].ctx = ic;
3060 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3061 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3062 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3063 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3065 for (i = 0; i < orig_nb_streams; i++)
3066 av_dict_free(&opts[i]);
3073 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3074 AVCodecContext *avctx)
3080 for (p = kf; *p; p++)
3083 ost->forced_kf_count = n;
3084 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3085 if (!ost->forced_kf_pts) {
3086 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3089 for (i = 0; i < n; i++) {
3090 p = i ? strchr(p, ',') + 1 : kf;
3091 t = parse_time_or_die("force_key_frames", p, 1);
3092 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3096 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3099 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
3100 int idx = oc->nb_streams - 1;
3101 int64_t max_frames = INT64_MAX;
3102 char *bsf = NULL, *next, *codec_tag = NULL;
3103 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3107 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3111 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3112 nb_output_streams + 1);
3113 ost = &output_streams[nb_output_streams - 1];
3114 ost->file_index = nb_output_files;
3117 st->codec->codec_type = type;
3118 ost->enc = choose_codec(o, oc, st, type);
3120 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3123 avcodec_get_context_defaults3(st->codec, ost->enc);
3124 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3126 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3127 ost->max_frames = max_frames;
3129 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3131 if (next = strchr(bsf, ','))
3133 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3134 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3138 bsfc_prev->next = bsfc;
3140 ost->bitstream_filters = bsfc;
3146 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3148 uint32_t tag = strtol(codec_tag, &next, 0);
3150 tag = AV_RL32(codec_tag);
3151 st->codec->codec_tag = tag;
3154 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3155 if (qscale >= 0 || same_quant) {
3156 st->codec->flags |= CODEC_FLAG_QSCALE;
3157 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3160 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3161 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3163 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3167 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3170 const char *p = str;
3177 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3184 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3188 AVCodecContext *video_enc;
3190 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3192 video_enc = st->codec;
3194 if (!st->stream_copy) {
3195 const char *p = NULL;
3196 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3197 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3198 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3199 int i, force_fps = 0, top_field_first = -1;
3201 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3202 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3203 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3207 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3208 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3209 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3213 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3214 if (frame_aspect_ratio)
3215 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3217 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3218 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3219 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3222 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3224 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3226 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3227 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3230 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3232 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3234 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3235 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3238 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3241 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3244 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3246 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3249 video_enc->rc_override=
3250 av_realloc(video_enc->rc_override,
3251 sizeof(RcOverride)*(i+1));
3252 video_enc->rc_override[i].start_frame= start;
3253 video_enc->rc_override[i].end_frame = end;
3255 video_enc->rc_override[i].qscale= q;
3256 video_enc->rc_override[i].quality_factor= 1.0;
3259 video_enc->rc_override[i].qscale= 0;
3260 video_enc->rc_override[i].quality_factor= -q/100.0;
3265 video_enc->rc_override_count=i;
3266 if (!video_enc->rc_initial_buffer_occupancy)
3267 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3268 video_enc->intra_dc_precision= intra_dc_precision - 8;
3273 video_enc->flags |= CODEC_FLAG_PASS1;
3275 video_enc->flags |= CODEC_FLAG_PASS2;
3279 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3280 if (forced_key_frames)
3281 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3283 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3284 ost->force_fps = force_fps;
3286 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3287 ost->top_field_first = top_field_first;
3290 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3292 ost->avfilter = av_strdup(filters);
3299 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3303 AVCodecContext *audio_enc;
3305 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3308 audio_enc = st->codec;
3309 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3311 if (!st->stream_copy) {
3312 char *sample_fmt = NULL;
3314 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3316 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3318 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3319 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3323 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3329 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3334 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3336 if (!st->stream_copy) {
3337 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3344 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3346 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3347 ost->st->stream_copy = 1;
3351 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3355 AVCodecContext *subtitle_enc;
3357 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3359 subtitle_enc = st->codec;
3361 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3366 /* arg format is "output-stream-index:streamid-value". */
3367 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3373 av_strlcpy(idx_str, arg, sizeof(idx_str));
3374 p = strchr(idx_str, ':');
3376 av_log(NULL, AV_LOG_FATAL,
3377 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3382 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3383 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3384 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3388 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3390 AVFormatContext *is = ifile->ctx;
3391 AVFormatContext *os = ofile->ctx;
3394 for (i = 0; i < is->nb_chapters; i++) {
3395 AVChapter *in_ch = is->chapters[i], *out_ch;
3396 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3397 AV_TIME_BASE_Q, in_ch->time_base);
3398 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3399 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3402 if (in_ch->end < ts_off)
3404 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3407 out_ch = av_mallocz(sizeof(AVChapter));
3409 return AVERROR(ENOMEM);
3411 out_ch->id = in_ch->id;
3412 out_ch->time_base = in_ch->time_base;
3413 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3414 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3417 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3420 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3422 return AVERROR(ENOMEM);
3423 os->chapters[os->nb_chapters - 1] = out_ch;
3428 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3431 AVFormatContext *ic = NULL;
3433 err = avformat_open_input(&ic, filename, NULL, NULL);
3436 /* copy stream format */
3437 for(i=0;i<ic->nb_streams;i++) {
3442 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3443 ost = new_output_stream(o, s, codec->type);
3446 // FIXME: a more elegant solution is needed
3447 memcpy(st, ic->streams[i], sizeof(AVStream));
3448 st->info = av_malloc(sizeof(*st->info));
3449 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3450 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3452 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3453 choose_sample_fmt(st, codec);
3454 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3455 choose_pixel_fmt(st, codec);
3458 av_close_input_file(ic);
3462 static void opt_output_file(void *optctx, const char *filename)
3464 OptionsContext *o = optctx;
3465 AVFormatContext *oc;
3467 AVOutputFormat *file_oformat;
3471 if (!strcmp(filename, "-"))
3474 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3476 print_error(filename, err);
3480 file_oformat= oc->oformat;
3482 if (!strcmp(file_oformat->name, "ffm") &&
3483 av_strstart(filename, "http:", NULL)) {
3484 /* special case for files sent to ffserver: we get the stream
3485 parameters from ffserver */
3486 int err = read_ffserver_streams(o, oc, filename);
3488 print_error(filename, err);
3491 } else if (!o->nb_stream_maps) {
3492 /* pick the "best" stream of each type */
3493 #define NEW_STREAM(type, index)\
3495 ost = new_ ## type ## _stream(o, oc);\
3496 ost->source_index = index;\
3497 ost->sync_ist = &input_streams[index];\
3498 input_streams[index].discard = 0;\
3501 /* video: highest resolution */
3502 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3503 int area = 0, idx = -1;
3504 for (i = 0; i < nb_input_streams; i++) {
3505 ist = &input_streams[i];
3506 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3507 ist->st->codec->width * ist->st->codec->height > area) {
3508 area = ist->st->codec->width * ist->st->codec->height;
3512 NEW_STREAM(video, idx);
3515 /* audio: most channels */
3516 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3517 int channels = 0, idx = -1;
3518 for (i = 0; i < nb_input_streams; i++) {
3519 ist = &input_streams[i];
3520 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3521 ist->st->codec->channels > channels) {
3522 channels = ist->st->codec->channels;
3526 NEW_STREAM(audio, idx);
3529 /* subtitles: pick first */
3530 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3531 for (i = 0; i < nb_input_streams; i++)
3532 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3533 NEW_STREAM(subtitle, i);
3537 /* do something with data? */
3539 for (i = 0; i < o->nb_stream_maps; i++) {
3540 StreamMap *map = &o->stream_maps[i];
3545 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3546 switch (ist->st->codec->codec_type) {
3547 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3548 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3549 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3550 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3551 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3553 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d.%d - unsupported type.\n",
3554 map->file_index, map->stream_index);
3558 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3559 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3560 map->sync_stream_index];
3565 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3566 output_files[nb_output_files - 1].ctx = oc;
3567 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3568 output_files[nb_output_files - 1].recording_time = o->recording_time;
3569 output_files[nb_output_files - 1].start_time = o->start_time;
3570 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3571 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3573 /* check filename in case of an image number is expected */
3574 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3575 if (!av_filename_number_test(oc->filename)) {
3576 print_error(oc->filename, AVERROR(EINVAL));
3581 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3582 /* test if it already exists to avoid loosing precious files */
3583 if (!file_overwrite &&
3584 (strchr(filename, ':') == NULL ||
3585 filename[1] == ':' ||
3586 av_strstart(filename, "file:", NULL))) {
3587 if (avio_check(filename, 0) == 0) {
3589 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3591 if (!read_yesno()) {
3592 fprintf(stderr, "Not overwriting - exiting\n");
3597 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3604 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3605 print_error(filename, err);
3610 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3611 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3614 if (o->chapters_input_file >= nb_input_files) {
3615 if (o->chapters_input_file == INT_MAX) {
3616 /* copy chapters from the first input file that has them*/
3617 o->chapters_input_file = -1;
3618 for (i = 0; i < nb_input_files; i++)
3619 if (input_files[i].ctx->nb_chapters) {
3620 o->chapters_input_file = i;
3624 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
3625 o->chapters_input_file);
3629 if (o->chapters_input_file >= 0)
3630 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3631 !o->metadata_chapters_manual);
3634 for (i = 0; i < o->nb_meta_data_maps; i++) {
3635 AVFormatContext *files[2];
3636 AVDictionary **meta[2];
3639 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3640 if ((index) < 0 || (index) >= (nb_elems)) {\
3641 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
3646 int in_file_index = o->meta_data_maps[i][1].file;
3647 if (in_file_index < 0)
3649 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3652 files[1] = input_files[in_file_index].ctx;
3654 for (j = 0; j < 2; j++) {
3655 MetadataMap *map = &o->meta_data_maps[i][j];
3657 switch (map->type) {
3659 meta[j] = &files[j]->metadata;
3662 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3663 meta[j] = &files[j]->streams[map->index]->metadata;
3666 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3667 meta[j] = &files[j]->chapters[map->index]->metadata;
3670 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3671 meta[j] = &files[j]->programs[map->index]->metadata;
3676 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3679 /* copy global metadata by default */
3680 if (!o->metadata_global_manual && nb_input_files)
3681 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3682 AV_DICT_DONT_OVERWRITE);
3683 if (!o->metadata_streams_manual)
3684 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3685 InputStream *ist = &input_streams[output_streams[i].source_index];
3686 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3689 /* process manually set metadata */
3690 for (i = 0; i < o->nb_metadata; i++) {
3695 val = strchr(o->metadata[i].u.str, '=');
3697 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
3698 o->metadata[i].u.str);
3703 parse_meta_type(o->metadata[i].specifier, &type, &index);
3709 if (index < 0 || index >= oc->nb_streams) {
3710 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
3713 m = &oc->streams[index]->metadata;
3716 if (index < 0 || index >= oc->nb_chapters) {
3717 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
3720 m = &oc->chapters[index]->metadata;
3723 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3727 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3733 /* same option as mencoder */
3734 static int opt_pass(const char *opt, const char *arg)
3736 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3740 static int64_t getutime(void)
3743 struct rusage rusage;
3745 getrusage(RUSAGE_SELF, &rusage);
3746 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3747 #elif HAVE_GETPROCESSTIMES
3749 FILETIME c, e, k, u;
3750 proc = GetCurrentProcess();
3751 GetProcessTimes(proc, &c, &e, &k, &u);
3752 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3754 return av_gettime();
3758 static int64_t getmaxrss(void)
3760 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3761 struct rusage rusage;
3762 getrusage(RUSAGE_SELF, &rusage);
3763 return (int64_t)rusage.ru_maxrss * 1024;
3764 #elif HAVE_GETPROCESSMEMORYINFO
3766 PROCESS_MEMORY_COUNTERS memcounters;
3767 proc = GetCurrentProcess();
3768 memcounters.cb = sizeof(memcounters);
3769 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3770 return memcounters.PeakPagefileUsage;
3776 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3778 return parse_option(o, "q:a", arg, options);
3781 static void show_usage(void)
3783 printf("Hyper fast Audio and Video encoder\n");
3784 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3788 static int opt_help(const char *opt, const char *arg)
3791 AVOutputFormat *oformat = NULL;
3792 AVInputFormat *iformat = NULL;
3793 const AVClass *class;
3795 av_log_set_callback(log_callback_help);
3797 show_help_options(options, "Main options:\n",
3798 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3799 show_help_options(options, "\nAdvanced options:\n",
3800 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3802 show_help_options(options, "\nVideo options:\n",
3803 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3805 show_help_options(options, "\nAdvanced Video options:\n",
3806 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3807 OPT_VIDEO | OPT_EXPERT);
3808 show_help_options(options, "\nAudio options:\n",
3809 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3811 show_help_options(options, "\nAdvanced Audio options:\n",
3812 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3813 OPT_AUDIO | OPT_EXPERT);
3814 show_help_options(options, "\nSubtitle options:\n",
3815 OPT_SUBTITLE | OPT_GRAB,
3817 show_help_options(options, "\nAudio/Video grab options:\n",
3821 class = avcodec_get_class();
3822 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3825 /* individual codec options */
3827 while ((c = av_codec_next(c))) {
3828 if (c->priv_class) {
3829 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3834 class = avformat_get_class();
3835 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3838 /* individual muxer options */
3839 while ((oformat = av_oformat_next(oformat))) {
3840 if (oformat->priv_class) {
3841 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3846 /* individual demuxer options */
3847 while ((iformat = av_iformat_next(iformat))) {
3848 if (iformat->priv_class) {
3849 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3854 class = sws_get_class();
3855 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3859 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3861 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3862 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3864 if(!strncmp(arg, "pal-", 4)) {
3867 } else if(!strncmp(arg, "ntsc-", 5)) {
3870 } else if(!strncmp(arg, "film-", 5)) {
3874 /* Try to determine PAL/NTSC by peeking in the input files */
3875 if(nb_input_files) {
3877 for (j = 0; j < nb_input_files; j++) {
3878 for (i = 0; i < input_files[j].nb_streams; i++) {
3879 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3880 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3882 fr = c->time_base.den * 1000 / c->time_base.num;
3886 } else if((fr == 29970) || (fr == 23976)) {
3895 if (norm != UNKNOWN)
3896 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3899 if(norm == UNKNOWN) {
3900 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3901 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3902 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
3906 if(!strcmp(arg, "vcd")) {
3907 opt_video_codec(o, "c:v", "mpeg1video");
3908 opt_audio_codec(o, "c:a", "mp2");
3909 parse_option(o, "f", "vcd", options);
3911 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
3912 parse_option(o, "r", frame_rates[norm], options);
3913 opt_default("g", norm == PAL ? "15" : "18");
3915 opt_default("b", "1150000");
3916 opt_default("maxrate", "1150000");
3917 opt_default("minrate", "1150000");
3918 opt_default("bufsize", "327680"); // 40*1024*8;
3920 opt_default("b:a", "224000");
3921 parse_option(o, "ar", "44100", options);
3922 parse_option(o, "ac", "2", options);
3924 opt_default("packetsize", "2324");
3925 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3927 /* We have to offset the PTS, so that it is consistent with the SCR.
3928 SCR starts at 36000, but the first two packs contain only padding
3929 and the first pack from the other stream, respectively, may also have
3930 been written before.
3931 So the real data starts at SCR 36000+3*1200. */
3932 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
3933 } else if(!strcmp(arg, "svcd")) {
3935 opt_video_codec(o, "c:v", "mpeg2video");
3936 opt_audio_codec(o, "c:a", "mp2");
3937 parse_option(o, "f", "svcd", options);
3939 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
3940 parse_option(o, "r", frame_rates[norm], options);
3941 opt_default("g", norm == PAL ? "15" : "18");
3943 opt_default("b", "2040000");
3944 opt_default("maxrate", "2516000");
3945 opt_default("minrate", "0"); //1145000;
3946 opt_default("bufsize", "1835008"); //224*1024*8;
3947 opt_default("flags", "+scan_offset");
3950 opt_default("b:a", "224000");
3951 parse_option(o, "ar", "44100", options);
3953 opt_default("packetsize", "2324");
3955 } else if(!strcmp(arg, "dvd")) {
3957 opt_video_codec(o, "c:v", "mpeg2video");
3958 opt_audio_codec(o, "c:a", "ac3");
3959 parse_option(o, "f", "dvd", options);
3961 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3962 parse_option(o, "r", frame_rates[norm], options);
3963 opt_default("g", norm == PAL ? "15" : "18");
3965 opt_default("b", "6000000");
3966 opt_default("maxrate", "9000000");
3967 opt_default("minrate", "0"); //1500000;
3968 opt_default("bufsize", "1835008"); //224*1024*8;
3970 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3971 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3973 opt_default("b:a", "448000");
3974 parse_option(o, "ar", "48000", options);
3976 } else if(!strncmp(arg, "dv", 2)) {
3978 parse_option(o, "f", "dv", options);
3980 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
3981 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3982 norm == PAL ? "yuv420p" : "yuv411p", options);
3983 parse_option(o, "r", frame_rates[norm], options);
3985 parse_option(o, "ar", "48000", options);
3986 parse_option(o, "ac", "2", options);
3989 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
3990 return AVERROR(EINVAL);
3995 static int opt_vstats_file(const char *opt, const char *arg)
3997 av_free (vstats_filename);
3998 vstats_filename=av_strdup (arg);
4002 static int opt_vstats(const char *opt, const char *arg)
4005 time_t today2 = time(NULL);
4006 struct tm *today = localtime(&today2);
4008 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4010 return opt_vstats_file(opt, filename);
4013 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4015 return parse_option(o, "frames:v", arg, options);
4018 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4020 return parse_option(o, "frames:a", arg, options);
4023 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4025 return parse_option(o, "frames:d", arg, options);
4028 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4032 static int opt_passlogfile(const char *opt, const char *arg)
4034 pass_logfilename_prefix = arg;
4035 #if CONFIG_LIBX264_ENCODER
4036 return opt_default("passlogfile", arg);
4042 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4044 return parse_option(o, "tag:v", arg, options);
4047 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4049 return parse_option(o, "tag:a", arg, options);
4052 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4054 return parse_option(o, "tag:s", arg, options);
4057 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4059 return parse_option(o, "filter:v", arg, options);
4062 #define OFFSET(x) offsetof(OptionsContext, x)
4063 static const OptionDef options[] = {
4065 #include "cmdutils_common_opts.h"
4066 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4067 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4068 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4069 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4070 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4071 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4072 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4073 "outfile[,metadata]:infile[,metadata]" },
4074 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4075 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4076 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4077 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4078 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4079 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4080 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4081 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4082 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4083 "add timings for benchmarking" },
4084 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4085 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4086 "dump each input packet" },
4087 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4088 "when dumping packets, also dump the payload" },
4089 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4090 { "v", HAS_ARG, {(void*)opt_verbose}, "deprecated, use -loglevel instead", "number" },
4091 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4092 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4093 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4094 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4095 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4096 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4097 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4098 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4099 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4100 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4101 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4102 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4103 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4104 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4106 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4110 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4111 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4112 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4113 { "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" },
4114 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4115 { "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" },
4116 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4117 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4118 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4119 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4120 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4121 "use same quantizer as source (implies VBR)" },
4122 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4123 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4124 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4125 "deinterlace pictures" },
4126 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4127 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4129 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4131 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4132 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4133 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4134 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4135 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4136 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4137 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4138 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4139 { "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" },
4142 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4143 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4144 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4145 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4146 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4147 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4148 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4149 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4150 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4152 /* subtitle options */
4153 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4154 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4155 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4158 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4161 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4162 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4164 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4166 /* data codec support */
4167 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4169 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4173 int main(int argc, char **argv)
4175 OptionsContext o = { 0 };
4180 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4181 parse_loglevel(argc, argv, options);
4183 if(argc>1 && !strcmp(argv[1], "-d")){
4185 av_log_set_callback(log_callback_null);
4190 avcodec_register_all();
4192 avdevice_register_all();
4195 avfilter_register_all();
4200 if(isatty(STDIN_FILENO))
4201 avio_set_interrupt_cb(decode_interrupt_cb);
4207 parse_options(&o, argc, argv, options, opt_output_file);
4209 if(nb_output_files <= 0 && nb_input_files == 0) {
4211 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4215 /* file converter / grab */
4216 if (nb_output_files <= 0) {
4217 fprintf(stderr, "At least one output file must be specified\n");
4221 if (nb_input_files == 0) {
4222 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4227 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4229 ti = getutime() - ti;
4231 int maxrss = getmaxrss() / 1024;
4232 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);