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"
48 #include "libswresample/swresample.h"
50 #include "libavformat/ffm.h" // not public API
53 # include "libavfilter/avcodec.h"
54 # include "libavfilter/avfilter.h"
55 # include "libavfilter/avfiltergraph.h"
56 # include "libavfilter/buffersink.h"
57 # include "libavfilter/vsrc_buffer.h"
60 #if HAVE_SYS_RESOURCE_H
61 #include <sys/types.h>
63 #include <sys/resource.h>
64 #elif HAVE_GETPROCESSTIMES
67 #if HAVE_GETPROCESSMEMORYINFO
73 #include <sys/select.h>
78 #include <sys/ioctl.h>
88 #include "libavutil/avassert.h"
90 const char program_name[] = "ffmpeg";
91 const int program_birth_year = 2000;
93 /* select an input stream for an output stream */
94 typedef struct StreamMap {
95 int disabled; /** 1 is this mapping is disabled by a negative map */
99 int sync_stream_index;
103 * select an input file for an output file
105 typedef struct MetadataMap {
106 int file; ///< file index
107 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
108 int index; ///< stream/chapter/program number
111 static const OptionDef options[];
113 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
115 static int frame_bits_per_raw_sample = 0;
116 static int video_discard = 0;
117 static int same_quant = 0;
118 static int do_deinterlace = 0;
119 static int intra_dc_precision = 8;
120 static int loop_input = 0;
121 static int loop_output = AVFMT_NOOUTPUTLOOP;
122 static int qp_hist = 0;
123 static int intra_only = 0;
124 static const char *video_codec_name = NULL;
125 static const char *audio_codec_name = NULL;
126 static const char *subtitle_codec_name = NULL;
128 static int file_overwrite = 0;
129 static int do_benchmark = 0;
130 static int do_hex_dump = 0;
131 static int do_pkt_dump = 0;
132 static int do_pass = 0;
133 static const char *pass_logfilename_prefix;
134 static int video_sync_method= -1;
135 static int audio_sync_method= 0;
136 static float audio_drift_threshold= 0.1;
137 static int copy_ts= 0;
138 static int copy_tb= 0;
139 static int opt_shortest = 0;
140 static char *vstats_filename;
141 static FILE *vstats_file;
142 static int copy_initial_nonkeyframes = 0;
144 static int audio_volume = 256;
146 static int exit_on_error = 0;
147 static int using_stdin = 0;
148 static int run_as_daemon = 0;
149 static volatile int received_nb_signals = 0;
150 static int64_t video_size = 0;
151 static int64_t audio_size = 0;
152 static int64_t extra_size = 0;
153 static int nb_frames_dup = 0;
154 static int nb_frames_drop = 0;
155 static int input_sync;
157 static float dts_delta_threshold = 10;
159 static int print_stats = 1;
161 static uint8_t *audio_buf;
162 static uint8_t *audio_out;
163 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
165 static void *samples;
166 static uint8_t *input_tmp= NULL;
168 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
170 typedef struct InputStream {
173 int discard; /* true if stream data should be discarded */
174 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
177 int64_t start; /* time when read started */
178 int64_t next_pts; /* synthetic pts for cases where pkt.pts
180 int64_t pts; /* current pts */
182 int is_start; /* is 1 at the start and after a discontinuity */
183 int showed_multi_packet_warning;
187 typedef struct InputFile {
188 AVFormatContext *ctx;
189 int eof_reached; /* true if eof reached */
190 int ist_index; /* index of first stream in input_streams */
191 int buffer_size; /* current total buffer size */
193 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
194 from ctx.nb_streams if new streams appear during av_read_frame() */
198 typedef struct OutputStream {
199 int file_index; /* file index */
200 int index; /* stream index in the output file */
201 int source_index; /* InputStream index */
202 AVStream *st; /* stream in the output file */
203 int encoding_needed; /* true if encoding needed for this stream */
205 /* input pts and corresponding output pts
207 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
208 struct InputStream *sync_ist; /* input stream to sync against */
209 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
210 AVBitStreamFilterContext *bitstream_filters;
216 AVFrame resample_frame; /* temporary frame for image resampling */
217 struct SwsContext *img_resample_ctx; /* for image resampling */
220 int resample_pix_fmt;
221 AVRational frame_rate;
225 float frame_aspect_ratio;
227 /* forced key frames */
228 int64_t *forced_kf_pts;
234 int resample_sample_fmt;
235 int resample_channels;
236 int resample_sample_rate;
237 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
240 struct SwrContext *swr;
243 AVFilterContext *output_video_filter;
244 AVFilterContext *input_video_filter;
245 AVFilterBufferRef *picref;
247 AVFilterGraph *graph;
252 int is_past_recording_time;
258 /* init terminal so that we can grab keys */
259 static struct termios oldtty;
262 typedef struct OutputFile {
263 AVFormatContext *ctx;
265 int ost_index; /* index of the first stream in output_streams */
266 int64_t recording_time; /* desired length of the resulting file in microseconds */
267 int64_t start_time; /* start time in microseconds */
268 uint64_t limit_filesize;
271 static InputStream *input_streams = NULL;
272 static int nb_input_streams = 0;
273 static InputFile *input_files = NULL;
274 static int nb_input_files = 0;
276 static OutputStream *output_streams = NULL;
277 static int nb_output_streams = 0;
278 static OutputFile *output_files = NULL;
279 static int nb_output_files = 0;
281 typedef struct OptionsContext {
282 /* input/output options */
286 SpecifierOpt *codec_names;
288 SpecifierOpt *audio_channels;
289 int nb_audio_channels;
290 SpecifierOpt *audio_sample_rate;
291 int nb_audio_sample_rate;
292 SpecifierOpt *frame_rates;
294 SpecifierOpt *frame_sizes;
296 SpecifierOpt *frame_pix_fmts;
297 int nb_frame_pix_fmts;
300 int64_t input_ts_offset;
303 SpecifierOpt *ts_scale;
307 StreamMap *stream_maps;
309 /* first item specifies output metadata, second is input */
310 MetadataMap (*meta_data_maps)[2];
311 int nb_meta_data_maps;
312 int metadata_global_manual;
313 int metadata_streams_manual;
314 int metadata_chapters_manual;
316 int chapters_input_file;
318 int64_t recording_time;
319 uint64_t limit_filesize;
325 int subtitle_disable;
328 /* indexed by output file stream index */
332 SpecifierOpt *metadata;
334 SpecifierOpt *max_frames;
336 SpecifierOpt *bitstream_filters;
337 int nb_bitstream_filters;
338 SpecifierOpt *codec_tags;
340 SpecifierOpt *sample_fmts;
342 SpecifierOpt *qscale;
344 SpecifierOpt *forced_key_frames;
345 int nb_forced_key_frames;
346 SpecifierOpt *force_fps;
348 SpecifierOpt *frame_aspect_ratios;
349 int nb_frame_aspect_ratios;
350 SpecifierOpt *rc_overrides;
352 SpecifierOpt *intra_matrices;
353 int nb_intra_matrices;
354 SpecifierOpt *inter_matrices;
355 int nb_inter_matrices;
356 SpecifierOpt *top_field_first;
357 int nb_top_field_first;
359 SpecifierOpt *filters;
364 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
367 for (i = 0; i < o->nb_ ## name; i++) {\
368 char *spec = o->name[i].specifier;\
369 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
370 outvar = o->name[i].u.type;\
376 static void reset_options(OptionsContext *o, int is_input)
378 const OptionDef *po = options;
379 OptionsContext bak= *o;
381 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
383 void *dst = (uint8_t*)o + po->u.off;
385 if (po->flags & OPT_SPEC) {
386 SpecifierOpt **so = dst;
387 int i, *count = (int*)(so + 1);
388 for (i = 0; i < *count; i++) {
389 av_freep(&(*so)[i].specifier);
390 if (po->flags & OPT_STRING)
391 av_freep(&(*so)[i].u.str);
395 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
400 av_freep(&o->stream_maps);
401 av_freep(&o->meta_data_maps);
402 av_freep(&o->streamid_map);
404 memset(o, 0, sizeof(*o));
406 if(is_input) o->recording_time = bak.recording_time;
407 else o->recording_time = INT64_MAX;
408 o->mux_preload = 0.5;
409 o->mux_max_delay = 0.7;
410 o->limit_filesize = UINT64_MAX;
411 o->chapters_input_file = INT_MAX;
419 static int configure_video_filters(InputStream *ist, OutputStream *ost)
421 AVFilterContext *last_filter, *filter;
422 /** filter graph containing all filters including input & output */
423 AVCodecContext *codec = ost->st->codec;
424 AVCodecContext *icodec = ist->st->codec;
425 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
426 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
427 AVRational sample_aspect_ratio;
431 ost->graph = avfilter_graph_alloc();
433 if (ist->st->sample_aspect_ratio.num){
434 sample_aspect_ratio = ist->st->sample_aspect_ratio;
436 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
438 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
439 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
440 sample_aspect_ratio.num, sample_aspect_ratio.den);
442 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
443 "src", args, NULL, ost->graph);
446 #if FF_API_OLD_VSINK_API
447 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
448 "out", NULL, pix_fmts, ost->graph);
450 buffersink_params->pixel_fmts = pix_fmts;
451 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
452 "out", NULL, buffersink_params, ost->graph);
454 av_freep(&buffersink_params);
457 last_filter = ost->input_video_filter;
459 if (codec->width != icodec->width || codec->height != icodec->height) {
460 snprintf(args, 255, "%d:%d:flags=0x%X",
463 (unsigned)ost->sws_flags);
464 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
465 NULL, args, NULL, ost->graph)) < 0)
467 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
469 last_filter = filter;
472 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
473 ost->graph->scale_sws_opts = av_strdup(args);
476 AVFilterInOut *outputs = avfilter_inout_alloc();
477 AVFilterInOut *inputs = avfilter_inout_alloc();
479 outputs->name = av_strdup("in");
480 outputs->filter_ctx = last_filter;
481 outputs->pad_idx = 0;
482 outputs->next = NULL;
484 inputs->name = av_strdup("out");
485 inputs->filter_ctx = ost->output_video_filter;
489 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
491 av_freep(&ost->avfilter);
493 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
497 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
500 codec->width = ost->output_video_filter->inputs[0]->w;
501 codec->height = ost->output_video_filter->inputs[0]->h;
502 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
503 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
504 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
505 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
509 #endif /* CONFIG_AVFILTER */
511 static void term_exit(void)
513 av_log(NULL, AV_LOG_QUIET, "%s", "");
516 tcsetattr (0, TCSANOW, &oldtty);
520 static volatile int received_sigterm = 0;
522 static void sigterm_handler(int sig)
524 received_sigterm = sig;
525 received_nb_signals++;
529 static void term_init(void)
539 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
540 |INLCR|IGNCR|ICRNL|IXON);
541 tty.c_oflag |= OPOST;
542 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
543 tty.c_cflag &= ~(CSIZE|PARENB);
548 tcsetattr (0, TCSANOW, &tty);
549 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
553 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
554 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
556 signal(SIGXCPU, sigterm_handler);
560 /* read a key without blocking */
561 static int read_key(void)
573 n = select(1, &rfds, NULL, NULL, &tv);
582 # if HAVE_PEEKNAMEDPIPE
584 static HANDLE input_handle;
587 input_handle = GetStdHandle(STD_INPUT_HANDLE);
588 is_pipe = !GetConsoleMode(input_handle, &dw);
591 if (stdin->_cnt > 0) {
596 /* When running under a GUI, you will end here. */
597 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
614 static int decode_interrupt_cb(void)
616 return received_nb_signals > 1;
619 void exit_program(int ret)
624 for(i=0;i<nb_output_files;i++) {
625 AVFormatContext *s = output_files[i].ctx;
626 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
628 avformat_free_context(s);
629 av_dict_free(&output_files[i].opts);
631 for(i=0;i<nb_input_files;i++) {
632 av_close_input_file(input_files[i].ctx);
634 for (i = 0; i < nb_input_streams; i++)
635 av_dict_free(&input_streams[i].opts);
639 av_free(vstats_filename);
641 av_freep(&input_streams);
642 av_freep(&input_files);
643 av_freep(&output_streams);
644 av_freep(&output_files);
649 allocated_audio_buf_size= allocated_audio_out_size= 0;
656 av_freep(&input_tmp);
658 if (received_sigterm) {
659 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
660 (int) received_sigterm);
664 exit(ret); /* not all OS-es handle main() return value */
667 static void assert_avoptions(AVDictionary *m)
669 AVDictionaryEntry *t;
670 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
671 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
676 static void assert_codec_experimental(AVCodecContext *c, int encoder)
678 const char *codec_string = encoder ? "encoder" : "decoder";
680 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
681 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
682 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
683 "results.\nAdd '-strict experimental' if you want to use it.\n",
684 codec_string, c->codec->name);
685 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
686 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
687 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
688 codec_string, codec->name);
693 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
695 if(codec && codec->sample_fmts){
696 const enum AVSampleFormat *p= codec->sample_fmts;
698 if(*p == st->codec->sample_fmt)
702 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
703 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
704 if(av_get_sample_fmt_name(st->codec->sample_fmt))
705 av_log(NULL, AV_LOG_WARNING,
706 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
707 av_get_sample_fmt_name(st->codec->sample_fmt),
709 av_get_sample_fmt_name(codec->sample_fmts[0]));
710 st->codec->sample_fmt = codec->sample_fmts[0];
715 static void choose_sample_rate(AVStream *st, AVCodec *codec)
717 if(codec && codec->supported_samplerates){
718 const int *p= codec->supported_samplerates;
720 int best_dist=INT_MAX;
722 int dist= abs(st->codec->sample_rate - *p);
723 if(dist < best_dist){
729 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
731 st->codec->sample_rate= best;
735 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
737 if(codec && codec->pix_fmts){
738 const enum PixelFormat *p= codec->pix_fmts;
739 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
740 if(st->codec->codec_id==CODEC_ID_MJPEG){
741 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
742 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
743 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};
747 if(*p == st->codec->pix_fmt)
751 if(st->codec->pix_fmt != PIX_FMT_NONE)
752 av_log(NULL, AV_LOG_WARNING,
753 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
754 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
756 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
757 st->codec->pix_fmt = codec->pix_fmts[0];
762 static double get_sync_ipts(const OutputStream *ost)
764 const InputStream *ist = ost->sync_ist;
765 OutputFile *of = &output_files[ost->file_index];
766 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
769 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
774 AVPacket new_pkt= *pkt;
775 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
776 &new_pkt.data, &new_pkt.size,
777 pkt->data, pkt->size,
778 pkt->flags & AV_PKT_FLAG_KEY);
781 new_pkt.destruct= av_destruct_packet;
783 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
784 bsfc->filter->name, pkt->stream_index,
785 avctx->codec ? avctx->codec->name : "copy");
795 ret= av_interleaved_write_frame(s, pkt);
797 print_error("av_interleaved_write_frame()", ret);
802 static void do_audio_out(AVFormatContext *s,
805 unsigned char *buf, int size)
808 int64_t audio_out_size, audio_buf_size;
809 int64_t allocated_for_size= size;
811 int size_out, frame_bytes, ret, resample_changed;
812 AVCodecContext *enc= ost->st->codec;
813 AVCodecContext *dec= ist->st->codec;
814 int osize = av_get_bytes_per_sample(enc->sample_fmt);
815 int isize = av_get_bytes_per_sample(dec->sample_fmt);
816 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
819 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
820 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
821 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
822 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
823 audio_buf_size*= osize*enc->channels;
825 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
826 if(coded_bps > 8*osize)
827 audio_out_size= audio_out_size * coded_bps / (8*osize);
828 audio_out_size += FF_MIN_BUFFER_SIZE;
830 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
831 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
835 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
836 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
837 if (!audio_buf || !audio_out){
838 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
842 if (enc->channels != dec->channels
843 || enc->sample_fmt != dec->sample_fmt)
844 ost->audio_resample = 1;
846 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
847 ost->resample_channels != dec->channels ||
848 ost->resample_sample_rate != dec->sample_rate;
850 if ((ost->audio_resample && !ost->swr) || resample_changed) {
851 if (resample_changed) {
852 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",
853 ist->file_index, ist->st->index,
854 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
855 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
856 ost->resample_sample_fmt = dec->sample_fmt;
857 ost->resample_channels = dec->channels;
858 ost->resample_sample_rate = dec->sample_rate;
861 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
862 if (audio_sync_method <= 1 &&
863 ost->resample_sample_fmt == enc->sample_fmt &&
864 ost->resample_channels == enc->channels &&
865 ost->resample_sample_rate == enc->sample_rate) {
867 ost->audio_resample = 0;
869 ost->swr = swr_alloc2(ost->swr,
870 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
871 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
873 av_set_int(ost->swr, "ich", dec->channels);
874 av_set_int(ost->swr, "och", enc->channels);
875 if(audio_sync_method>1) av_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE);
876 if(ost->swr && swr_init(ost->swr) < 0){
877 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
882 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
883 dec->channels, dec->sample_rate,
884 enc->channels, enc->sample_rate);
890 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
892 if(audio_sync_method){
893 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
894 - av_fifo_size(ost->fifo)/(enc->channels * 2);
895 double idelta= delta*dec->sample_rate / enc->sample_rate;
896 int byte_delta= ((int)idelta)*2*dec->channels;
898 //FIXME resample delay
899 if(fabs(delta) > 50){
900 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
902 byte_delta= FFMAX(byte_delta, -size);
905 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
910 input_tmp= av_realloc(input_tmp, byte_delta + size);
912 if(byte_delta > allocated_for_size - size){
913 allocated_for_size= byte_delta + (int64_t)size;
918 memset(input_tmp, 0, byte_delta);
919 memcpy(input_tmp + byte_delta, buf, size);
922 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
924 }else if(audio_sync_method>1){
925 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
926 av_assert0(ost->audio_resample);
927 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
928 delta, comp, enc->sample_rate);
929 // 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));
930 swr_compensate(ost->swr, comp, enc->sample_rate);
934 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
935 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
937 if (ost->audio_resample) {
939 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
940 (const uint8_t*[]){buf }, size / (dec->channels * isize));
941 size_out = size_out * enc->channels * osize;
947 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
949 /* now encode as many frames as possible */
950 if (enc->frame_size > 1) {
951 /* output resampled raw samples */
952 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
953 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
956 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
958 frame_bytes = enc->frame_size * osize * enc->channels;
960 while (av_fifo_size(ost->fifo) >= frame_bytes) {
962 av_init_packet(&pkt);
964 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
966 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
968 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
971 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
975 pkt.stream_index= ost->index;
978 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
979 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
980 pkt.flags |= AV_PKT_FLAG_KEY;
981 write_frame(s, &pkt, enc, ost->bitstream_filters);
983 ost->sync_opts += enc->frame_size;
987 av_init_packet(&pkt);
989 ost->sync_opts += size_out / (osize * enc->channels);
991 /* output a pcm frame */
992 /* determine the size of the coded buffer */
995 size_out = size_out*coded_bps/8;
997 if(size_out > audio_out_size){
998 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1002 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1003 ret = avcodec_encode_audio(enc, audio_out, size_out,
1006 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1010 pkt.stream_index= ost->index;
1011 pkt.data= audio_out;
1013 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1014 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1015 pkt.flags |= AV_PKT_FLAG_KEY;
1016 write_frame(s, &pkt, enc, ost->bitstream_filters);
1020 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1022 AVCodecContext *dec;
1023 AVPicture *picture2;
1024 AVPicture picture_tmp;
1027 dec = ist->st->codec;
1029 /* deinterlace : must be done before any resize */
1030 if (do_deinterlace) {
1033 /* create temporary picture */
1034 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1035 buf = av_malloc(size);
1039 picture2 = &picture_tmp;
1040 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1042 if(avpicture_deinterlace(picture2, picture,
1043 dec->pix_fmt, dec->width, dec->height) < 0) {
1044 /* if error, do not deinterlace */
1045 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1054 if (picture != picture2)
1055 *picture = *picture2;
1059 static void do_subtitle_out(AVFormatContext *s,
1065 static uint8_t *subtitle_out = NULL;
1066 int subtitle_out_max_size = 1024 * 1024;
1067 int subtitle_out_size, nb, i;
1068 AVCodecContext *enc;
1071 if (pts == AV_NOPTS_VALUE) {
1072 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1078 enc = ost->st->codec;
1080 if (!subtitle_out) {
1081 subtitle_out = av_malloc(subtitle_out_max_size);
1084 /* Note: DVB subtitle need one packet to draw them and one other
1085 packet to clear them */
1086 /* XXX: signal it in the codec context ? */
1087 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1092 for(i = 0; i < nb; i++) {
1093 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1094 // start_display_time is required to be 0
1095 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1096 sub->end_display_time -= sub->start_display_time;
1097 sub->start_display_time = 0;
1098 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1099 subtitle_out_max_size, sub);
1100 if (subtitle_out_size < 0) {
1101 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1105 av_init_packet(&pkt);
1106 pkt.stream_index = ost->index;
1107 pkt.data = subtitle_out;
1108 pkt.size = subtitle_out_size;
1109 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1110 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1111 /* XXX: the pts correction is handled here. Maybe handling
1112 it in the codec would be better */
1114 pkt.pts += 90 * sub->start_display_time;
1116 pkt.pts += 90 * sub->end_display_time;
1118 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1122 static int bit_buffer_size= 1024*256;
1123 static uint8_t *bit_buffer= NULL;
1125 static void do_video_resample(OutputStream *ost,
1127 AVFrame *in_picture,
1128 AVFrame **out_picture)
1131 *out_picture = in_picture;
1133 AVCodecContext *dec = ist->st->codec;
1134 AVCodecContext *enc = ost->st->codec;
1135 int resample_changed = ost->resample_width != dec->width ||
1136 ost->resample_height != dec->height ||
1137 ost->resample_pix_fmt != dec->pix_fmt;
1139 *out_picture = in_picture;
1140 if (resample_changed) {
1141 av_log(NULL, AV_LOG_INFO,
1142 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1143 ist->file_index, ist->st->index,
1144 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1145 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1146 ost->resample_width = dec->width;
1147 ost->resample_height = dec->height;
1148 ost->resample_pix_fmt = dec->pix_fmt;
1151 ost->video_resample = dec->width != enc->width ||
1152 dec->height != enc->height ||
1153 dec->pix_fmt != enc->pix_fmt;
1155 if (ost->video_resample) {
1156 *out_picture = &ost->resample_frame;
1157 if (!ost->img_resample_ctx || resample_changed) {
1158 /* initialize the destination picture */
1159 if (!ost->resample_frame.data[0]) {
1160 avcodec_get_frame_defaults(&ost->resample_frame);
1161 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1162 enc->width, enc->height)) {
1163 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1167 /* initialize a new scaler context */
1168 sws_freeContext(ost->img_resample_ctx);
1169 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1170 enc->width, enc->height, enc->pix_fmt,
1171 ost->sws_flags, NULL, NULL, NULL);
1172 if (ost->img_resample_ctx == NULL) {
1173 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1177 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1178 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1184 static void do_video_out(AVFormatContext *s,
1187 AVFrame *in_picture,
1188 int *frame_size, float quality)
1190 int nb_frames, i, ret, format_video_sync;
1191 AVFrame *final_picture;
1192 AVCodecContext *enc;
1194 double duration = 0;
1196 enc = ost->st->codec;
1198 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1199 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1200 if(ist->st->avg_frame_rate.num)
1201 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1203 duration /= av_q2d(enc->time_base);
1206 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1208 /* by default, we output a single frame */
1213 format_video_sync = video_sync_method;
1214 if (format_video_sync < 0)
1215 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1217 if (format_video_sync) {
1218 double vdelta = sync_ipts - ost->sync_opts + duration;
1219 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1222 else if (format_video_sync == 2) {
1225 }else if(vdelta>0.6)
1226 ost->sync_opts= lrintf(sync_ipts);
1227 }else if (vdelta > 1.1)
1228 nb_frames = lrintf(vdelta);
1229 //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);
1230 if (nb_frames == 0){
1232 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1233 }else if (nb_frames > 1) {
1234 nb_frames_dup += nb_frames - 1;
1235 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1238 ost->sync_opts= lrintf(sync_ipts);
1240 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1244 do_video_resample(ost, ist, in_picture, &final_picture);
1246 /* duplicates frame if needed */
1247 for(i=0;i<nb_frames;i++) {
1249 av_init_packet(&pkt);
1250 pkt.stream_index= ost->index;
1252 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1253 /* raw pictures are written as AVPicture structure to
1254 avoid any copies. We support temporarily the older
1256 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1257 enc->coded_frame->top_field_first = in_picture->top_field_first;
1258 pkt.data= (uint8_t *)final_picture;
1259 pkt.size= sizeof(AVPicture);
1260 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1261 pkt.flags |= AV_PKT_FLAG_KEY;
1263 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1265 AVFrame big_picture;
1267 big_picture= *final_picture;
1268 /* better than nothing: use input picture interlaced
1270 big_picture.interlaced_frame = in_picture->interlaced_frame;
1271 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1272 if (ost->top_field_first == -1)
1273 big_picture.top_field_first = in_picture->top_field_first;
1275 big_picture.top_field_first = !!ost->top_field_first;
1278 /* handles same_quant here. This is not correct because it may
1279 not be a global option */
1280 big_picture.quality = quality;
1281 if (!enc->me_threshold)
1282 big_picture.pict_type = 0;
1283 // big_picture.pts = AV_NOPTS_VALUE;
1284 big_picture.pts= ost->sync_opts;
1285 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1286 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1287 if (ost->forced_kf_index < ost->forced_kf_count &&
1288 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1289 big_picture.pict_type = AV_PICTURE_TYPE_I;
1290 ost->forced_kf_index++;
1292 ret = avcodec_encode_video(enc,
1293 bit_buffer, bit_buffer_size,
1296 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1301 pkt.data= bit_buffer;
1303 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1304 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1305 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1306 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1307 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1309 if(enc->coded_frame->key_frame)
1310 pkt.flags |= AV_PKT_FLAG_KEY;
1311 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1314 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1315 // enc->frame_number-1, ret, enc->pict_type);
1316 /* if two pass, output log */
1317 if (ost->logfile && enc->stats_out) {
1318 fprintf(ost->logfile, "%s", enc->stats_out);
1323 ost->frame_number++;
1327 static double psnr(double d)
1329 return -10.0*log(d)/log(10.0);
1332 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1335 AVCodecContext *enc;
1337 double ti1, bitrate, avg_bitrate;
1339 /* this is executed just the first time do_video_stats is called */
1341 vstats_file = fopen(vstats_filename, "w");
1348 enc = ost->st->codec;
1349 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1350 frame_number = ost->frame_number;
1351 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1352 if (enc->flags&CODEC_FLAG_PSNR)
1353 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1355 fprintf(vstats_file,"f_size= %6d ", frame_size);
1356 /* compute pts value */
1357 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1361 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1362 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1363 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1364 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1365 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1369 static void print_report(OutputFile *output_files,
1370 OutputStream *ost_table, int nb_ostreams,
1371 int is_last_report, int64_t timer_start, int64_t cur_time)
1375 AVFormatContext *oc;
1377 AVCodecContext *enc;
1378 int frame_number, vid, i;
1380 int64_t pts = INT64_MAX;
1381 static int64_t last_time = -1;
1382 static int qp_histogram[52];
1383 int hours, mins, secs, us;
1385 if (!print_stats && !is_last_report)
1388 if (!is_last_report) {
1389 if (last_time == -1) {
1390 last_time = cur_time;
1393 if ((cur_time - last_time) < 500000)
1395 last_time = cur_time;
1399 oc = output_files[0].ctx;
1401 total_size = avio_size(oc->pb);
1402 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1403 total_size= avio_tell(oc->pb);
1407 for(i=0;i<nb_ostreams;i++) {
1409 ost = &ost_table[i];
1410 enc = ost->st->codec;
1411 if (!ost->st->stream_copy && enc->coded_frame)
1412 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1413 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1416 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 float t = (cur_time-timer_start) / 1000000.0;
1419 frame_number = ost->frame_number;
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1421 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1427 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1432 if (enc->flags&CODEC_FLAG_PSNR){
1434 double error, error_sum=0;
1435 double scale, scale_sum=0;
1436 char type[3]= {'Y','U','V'};
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1440 error= enc->error[j];
1441 scale= enc->width*enc->height*255.0*255.0*frame_number;
1443 error= enc->coded_frame->error[j];
1444 scale= enc->width*enc->height*255.0*255.0;
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1451 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1455 /* compute min output value */
1456 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1457 ost->st->time_base, AV_TIME_BASE_Q));
1460 secs = pts / AV_TIME_BASE;
1461 us = pts % AV_TIME_BASE;
1467 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1469 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1470 "size=%8.0fkB time=", total_size / 1024.0);
1471 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1472 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1473 (100 * us) / AV_TIME_BASE);
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1475 "bitrate=%6.1fkbits/s", bitrate);
1477 if (nb_frames_dup || nb_frames_drop)
1478 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1479 nb_frames_dup, nb_frames_drop);
1481 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1485 if (is_last_report) {
1486 int64_t raw= audio_size + video_size + extra_size;
1487 av_log(NULL, AV_LOG_INFO, "\n");
1488 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1492 100.0*(total_size - raw)/raw
1497 static void generate_silence(uint8_t *buf, enum AVSampleFormat sample_fmt, size_t size)
1499 int fill_char = 0x00;
1500 if (sample_fmt == AV_SAMPLE_FMT_U8)
1502 memset(buf, fill_char, size);
1505 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1509 for (i = 0; i < nb_ostreams; i++) {
1510 OutputStream *ost = &ost_table[i];
1511 AVCodecContext *enc = ost->st->codec;
1512 AVFormatContext *os = output_files[ost->file_index].ctx;
1514 if (!ost->encoding_needed)
1517 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1519 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1525 av_init_packet(&pkt);
1526 pkt.stream_index= ost->index;
1528 switch (ost->st->codec->codec_type) {
1529 case AVMEDIA_TYPE_AUDIO:
1530 fifo_bytes = av_fifo_size(ost->fifo);
1532 /* encode any samples remaining in fifo */
1533 if (fifo_bytes > 0) {
1534 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1535 int fs_tmp = enc->frame_size;
1537 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1538 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1539 enc->frame_size = fifo_bytes / (osize * enc->channels);
1541 int frame_bytes = enc->frame_size*osize*enc->channels;
1542 if (allocated_audio_buf_size < frame_bytes)
1544 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1547 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1548 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1549 ost->st->time_base.num, enc->sample_rate);
1550 enc->frame_size = fs_tmp;
1553 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1556 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1560 pkt.flags |= AV_PKT_FLAG_KEY;
1562 case AVMEDIA_TYPE_VIDEO:
1563 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1565 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1569 if(enc->coded_frame && enc->coded_frame->key_frame)
1570 pkt.flags |= AV_PKT_FLAG_KEY;
1571 if (ost->logfile && enc->stats_out) {
1572 fprintf(ost->logfile, "%s", enc->stats_out);
1581 pkt.data = bit_buffer;
1583 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1584 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1585 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1590 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1591 static int output_packet(InputStream *ist, int ist_index,
1592 OutputStream *ost_table, int nb_ostreams,
1593 const AVPacket *pkt)
1595 AVFormatContext *os;
1599 void *buffer_to_free = NULL;
1600 static unsigned int samples_size= 0;
1601 AVSubtitle subtitle, *subtitle_to_free;
1602 int64_t pkt_pts = AV_NOPTS_VALUE;
1604 int frame_available;
1609 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1611 if(ist->next_pts == AV_NOPTS_VALUE)
1612 ist->next_pts= ist->pts;
1616 av_init_packet(&avpkt);
1624 if(pkt->dts != AV_NOPTS_VALUE)
1625 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1626 if(pkt->pts != AV_NOPTS_VALUE)
1627 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1629 //while we have more to decode or while the decoder did output something on EOF
1630 while (avpkt.size > 0 || (!pkt && got_output)) {
1631 uint8_t *data_buf, *decoded_data_buf;
1632 int data_size, decoded_data_size;
1633 AVFrame *decoded_frame, *filtered_frame;
1635 ist->pts= ist->next_pts;
1637 if(avpkt.size && avpkt.size != pkt->size)
1638 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1639 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1640 ist->showed_multi_packet_warning=1;
1642 /* decode the packet if needed */
1643 decoded_frame = filtered_frame = NULL;
1644 decoded_data_buf = NULL; /* fail safe */
1645 decoded_data_size= 0;
1646 data_buf = avpkt.data;
1647 data_size = avpkt.size;
1648 subtitle_to_free = NULL;
1649 if (ist->decoding_needed) {
1650 switch(ist->st->codec->codec_type) {
1651 case AVMEDIA_TYPE_AUDIO:{
1652 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1653 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1655 samples= av_malloc(samples_size);
1657 decoded_data_size= samples_size;
1658 /* XXX: could avoid copy if PCM 16 bits with same
1659 endianness as CPU */
1660 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1667 got_output = decoded_data_size > 0;
1668 /* Some bug in mpeg audio decoder gives */
1669 /* decoded_data_size < 0, it seems they are overflows */
1671 /* no audio frame */
1674 decoded_data_buf = (uint8_t *)samples;
1675 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1676 (ist->st->codec->sample_rate * ist->st->codec->channels);
1678 case AVMEDIA_TYPE_VIDEO:
1679 if (!(decoded_frame = avcodec_alloc_frame()))
1680 return AVERROR(ENOMEM);
1681 avpkt.pts = pkt_pts;
1682 avpkt.dts = ist->pts;
1683 pkt_pts = AV_NOPTS_VALUE;
1685 ret = avcodec_decode_video2(ist->st->codec,
1686 decoded_frame, &got_output, &avpkt);
1687 quality = same_quant ? decoded_frame->quality : 0;
1691 /* no picture yet */
1692 av_freep(&decoded_frame);
1693 goto discard_packet;
1695 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1696 if (ist->st->codec->time_base.num != 0) {
1697 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1698 ist->next_pts += ((int64_t)AV_TIME_BASE *
1699 ist->st->codec->time_base.num * ticks) /
1700 ist->st->codec->time_base.den;
1703 buffer_to_free = NULL;
1704 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1706 case AVMEDIA_TYPE_SUBTITLE:
1707 ret = avcodec_decode_subtitle2(ist->st->codec,
1708 &subtitle, &got_output, &avpkt);
1712 goto discard_packet;
1714 subtitle_to_free = &subtitle;
1721 switch(ist->st->codec->codec_type) {
1722 case AVMEDIA_TYPE_AUDIO:
1723 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1724 ist->st->codec->sample_rate;
1726 case AVMEDIA_TYPE_VIDEO:
1727 if (ist->st->codec->time_base.num != 0) {
1728 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1729 ist->next_pts += ((int64_t)AV_TIME_BASE *
1730 ist->st->codec->time_base.num * ticks) /
1731 ist->st->codec->time_base.den;
1739 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1740 for(i=0;i<nb_ostreams;i++) {
1741 OutputFile *of = &output_files[ost_table[i].file_index];
1742 if (of->start_time == 0 || ist->pts >= of->start_time) {
1743 ost = &ost_table[i];
1744 if (ost->input_video_filter && ost->source_index == ist_index) {
1745 if (!decoded_frame->sample_aspect_ratio.num)
1746 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1747 decoded_frame->pts = ist->pts;
1749 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1755 // preprocess audio (volume)
1756 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1757 if (audio_volume != 256) {
1758 switch (ist->st->codec->sample_fmt) {
1759 case AV_SAMPLE_FMT_U8:
1761 uint8_t *volp = samples;
1762 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1763 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1764 *volp++ = av_clip_uint8(v);
1768 case AV_SAMPLE_FMT_S16:
1770 int16_t *volp = samples;
1771 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1772 int v = ((*volp) * audio_volume + 128) >> 8;
1773 *volp++ = av_clip_int16(v);
1777 case AV_SAMPLE_FMT_S32:
1779 int32_t *volp = samples;
1780 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1781 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1782 *volp++ = av_clipl_int32(v);
1786 case AV_SAMPLE_FMT_FLT:
1788 float *volp = samples;
1789 float scale = audio_volume / 256.f;
1790 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1795 case AV_SAMPLE_FMT_DBL:
1797 double *volp = samples;
1798 double scale = audio_volume / 256.;
1799 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1805 av_log(NULL, AV_LOG_FATAL,
1806 "Audio volume adjustment on sample format %s is not supported.\n",
1807 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1813 /* frame rate emulation */
1814 if (input_files[ist->file_index].rate_emu) {
1815 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1816 int64_t now = av_gettime() - ist->start;
1820 /* if output time reached then transcode raw format,
1821 encode packets and output them */
1822 for (i = 0; i < nb_ostreams; i++) {
1823 OutputFile *of = &output_files[ost_table[i].file_index];
1826 ost = &ost_table[i];
1827 if (ost->source_index != ist_index)
1830 if (of->start_time && ist->pts < of->start_time)
1833 if (of->recording_time != INT64_MAX &&
1834 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1835 (AVRational){1, 1000000}) >= 0) {
1836 ost->is_past_recording_time = 1;
1841 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1842 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1843 while (frame_available) {
1844 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1845 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1846 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1848 if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
1849 ret = AVERROR(ENOMEM);
1852 *filtered_frame= *decoded_frame; //for me_threshold
1854 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1855 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1859 filtered_frame = decoded_frame;
1861 os = output_files[ost->file_index].ctx;
1863 /* set the input output pts pairs */
1864 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1866 if (ost->encoding_needed) {
1867 av_assert0(ist->decoding_needed);
1868 switch(ost->st->codec->codec_type) {
1869 case AVMEDIA_TYPE_AUDIO:
1870 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1872 case AVMEDIA_TYPE_VIDEO:
1874 if (ost->picref->video && !ost->frame_aspect_ratio)
1875 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1877 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1878 same_quant ? quality : ost->st->codec->global_quality);
1879 if (vstats_filename && frame_size)
1880 do_video_stats(os, ost, frame_size);
1882 case AVMEDIA_TYPE_SUBTITLE:
1883 do_subtitle_out(os, ost, ist, &subtitle,
1892 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1893 av_init_packet(&opkt);
1895 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1896 #if !CONFIG_AVFILTER
1902 /* no reencoding needed : output the packet directly */
1903 /* force the input stream PTS */
1905 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1906 audio_size += data_size;
1907 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1908 video_size += data_size;
1912 opkt.stream_index= ost->index;
1913 if(pkt->pts != AV_NOPTS_VALUE)
1914 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1916 opkt.pts= AV_NOPTS_VALUE;
1918 if (pkt->dts == AV_NOPTS_VALUE)
1919 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1921 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1922 opkt.dts -= ost_tb_start_time;
1924 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1925 opkt.flags= pkt->flags;
1927 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1928 if( ost->st->codec->codec_id != CODEC_ID_H264
1929 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1930 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1932 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1933 opkt.destruct= av_destruct_packet;
1935 opkt.data = data_buf;
1936 opkt.size = data_size;
1939 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1940 /* store AVPicture in AVPacket, as expected by the output format */
1941 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1942 opkt.data = (uint8_t *)&pict;
1943 opkt.size = sizeof(AVPicture);
1944 opkt.flags |= AV_PKT_FLAG_KEY;
1946 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1947 ost->st->codec->frame_number++;
1948 ost->frame_number++;
1949 av_free_packet(&opkt);
1953 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1954 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1955 avfilter_unref_buffer(ost->picref);
1957 av_freep(&filtered_frame);
1962 av_free(buffer_to_free);
1963 /* XXX: allocate the subtitles in the codec ? */
1964 if (subtitle_to_free) {
1965 avsubtitle_free(subtitle_to_free);
1966 subtitle_to_free = NULL;
1968 av_freep(&decoded_frame);
1977 static void print_sdp(OutputFile *output_files, int n)
1981 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1985 for (i = 0; i < n; i++)
1986 avc[i] = output_files[i].ctx;
1988 av_sdp_create(avc, n, sdp, sizeof(sdp));
1989 printf("SDP:\n%s\n", sdp);
1994 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1995 char *error, int error_len)
1997 InputStream *ist = &input_streams[ist_index];
1998 if (ist->decoding_needed) {
1999 AVCodec *codec = ist->dec;
2001 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
2002 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2003 return AVERROR(EINVAL);
2005 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2006 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
2007 ist->file_index, ist->st->index);
2008 return AVERROR(EINVAL);
2010 assert_codec_experimental(ist->st->codec, 0);
2011 assert_avoptions(ist->opts);
2014 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;
2015 ist->next_pts = AV_NOPTS_VALUE;
2021 static int transcode_init(OutputFile *output_files, int nb_output_files,
2022 InputFile *input_files, int nb_input_files)
2024 int ret = 0, i, j, k;
2025 AVFormatContext *os;
2026 AVCodecContext *codec, *icodec;
2032 /* init framerate emulation */
2033 for (i = 0; i < nb_input_files; i++) {
2034 InputFile *ifile = &input_files[i];
2035 if (ifile->rate_emu)
2036 for (j = 0; j < ifile->nb_streams; j++)
2037 input_streams[j + ifile->ist_index].start = av_gettime();
2040 /* output stream init */
2041 for(i=0;i<nb_output_files;i++) {
2042 os = output_files[i].ctx;
2043 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2044 av_dump_format(os, i, os->filename, 1);
2045 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2046 return AVERROR(EINVAL);
2050 /* for each output stream, we compute the right encoding parameters */
2051 for (i = 0; i < nb_output_streams; i++) {
2052 ost = &output_streams[i];
2053 os = output_files[ost->file_index].ctx;
2054 ist = &input_streams[ost->source_index];
2056 codec = ost->st->codec;
2057 icodec = ist->st->codec;
2059 ost->st->disposition = ist->st->disposition;
2060 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2061 codec->chroma_sample_location = icodec->chroma_sample_location;
2063 if (ost->st->stream_copy) {
2064 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2066 if (extra_size > INT_MAX) {
2067 return AVERROR(EINVAL);
2070 /* if stream_copy is selected, no need to decode or encode */
2071 codec->codec_id = icodec->codec_id;
2072 codec->codec_type = icodec->codec_type;
2074 if(!codec->codec_tag){
2075 if( !os->oformat->codec_tag
2076 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2077 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2078 codec->codec_tag = icodec->codec_tag;
2081 codec->bit_rate = icodec->bit_rate;
2082 codec->rc_max_rate = icodec->rc_max_rate;
2083 codec->rc_buffer_size = icodec->rc_buffer_size;
2084 codec->extradata= av_mallocz(extra_size);
2085 if (!codec->extradata) {
2086 return AVERROR(ENOMEM);
2088 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2089 codec->extradata_size= icodec->extradata_size;
2091 codec->time_base = ist->st->time_base;
2092 if(!strcmp(os->oformat->name, "avi")) {
2093 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){
2094 codec->time_base = icodec->time_base;
2095 codec->time_base.num *= icodec->ticks_per_frame;
2096 codec->time_base.den *= 2;
2098 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2099 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){
2100 codec->time_base = icodec->time_base;
2101 codec->time_base.num *= icodec->ticks_per_frame;
2104 av_reduce(&codec->time_base.num, &codec->time_base.den,
2105 codec->time_base.num, codec->time_base.den, INT_MAX);
2107 switch(codec->codec_type) {
2108 case AVMEDIA_TYPE_AUDIO:
2109 if(audio_volume != 256) {
2110 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2113 codec->channel_layout = icodec->channel_layout;
2114 codec->sample_rate = icodec->sample_rate;
2115 codec->channels = icodec->channels;
2116 codec->frame_size = icodec->frame_size;
2117 codec->audio_service_type = icodec->audio_service_type;
2118 codec->block_align= icodec->block_align;
2119 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2120 codec->block_align= 0;
2121 if(codec->codec_id == CODEC_ID_AC3)
2122 codec->block_align= 0;
2124 case AVMEDIA_TYPE_VIDEO:
2125 codec->pix_fmt = icodec->pix_fmt;
2126 codec->width = icodec->width;
2127 codec->height = icodec->height;
2128 codec->has_b_frames = icodec->has_b_frames;
2129 if (!codec->sample_aspect_ratio.num) {
2130 codec->sample_aspect_ratio =
2131 ost->st->sample_aspect_ratio =
2132 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2133 ist->st->codec->sample_aspect_ratio.num ?
2134 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2137 case AVMEDIA_TYPE_SUBTITLE:
2138 codec->width = icodec->width;
2139 codec->height = icodec->height;
2141 case AVMEDIA_TYPE_DATA:
2142 case AVMEDIA_TYPE_ATTACHMENT:
2149 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2150 ist->decoding_needed = 1;
2151 ost->encoding_needed = 1;
2152 switch(codec->codec_type) {
2153 case AVMEDIA_TYPE_AUDIO:
2154 ost->fifo= av_fifo_alloc(1024);
2156 return AVERROR(ENOMEM);
2158 if (!codec->sample_rate) {
2159 codec->sample_rate = icodec->sample_rate;
2161 choose_sample_rate(ost->st, ost->enc);
2162 codec->time_base = (AVRational){1, codec->sample_rate};
2163 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2164 codec->sample_fmt = icodec->sample_fmt;
2165 choose_sample_fmt(ost->st, ost->enc);
2166 if (!codec->channels) {
2167 codec->channels = icodec->channels;
2168 codec->channel_layout = icodec->channel_layout;
2170 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2171 codec->channel_layout = 0;
2172 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2173 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2174 || codec->channel_layout != icodec->channel_layout;
2175 icodec->request_channels = codec->channels;
2176 ost->resample_sample_fmt = icodec->sample_fmt;
2177 ost->resample_sample_rate = icodec->sample_rate;
2178 ost->resample_channels = icodec->channels;
2180 case AVMEDIA_TYPE_VIDEO:
2181 if (codec->pix_fmt == PIX_FMT_NONE)
2182 codec->pix_fmt = icodec->pix_fmt;
2183 choose_pixel_fmt(ost->st, ost->enc);
2185 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2186 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2190 if (!codec->width || !codec->height) {
2191 codec->width = icodec->width;
2192 codec->height = icodec->height;
2195 ost->video_resample = codec->width != icodec->width ||
2196 codec->height != icodec->height ||
2197 codec->pix_fmt != icodec->pix_fmt;
2198 if (ost->video_resample) {
2199 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2202 ost->resample_height = icodec->height;
2203 ost->resample_width = icodec->width;
2204 ost->resample_pix_fmt= icodec->pix_fmt;
2206 if (!ost->frame_rate.num)
2207 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2208 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2209 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2210 ost->frame_rate = ost->enc->supported_framerates[idx];
2212 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2213 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2214 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2215 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2216 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2218 for (j = 0; j < ost->forced_kf_count; j++)
2219 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2224 if (configure_video_filters(ist, ost)) {
2225 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2230 case AVMEDIA_TYPE_SUBTITLE:
2237 if (codec->codec_id != CODEC_ID_H264 &&
2238 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2239 char logfilename[1024];
2242 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2243 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2245 if (codec->flags & CODEC_FLAG_PASS1) {
2246 f = fopen(logfilename, "wb");
2248 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2249 logfilename, strerror(errno));
2255 size_t logbuffer_size;
2256 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2257 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2261 codec->stats_in = logbuffer;
2265 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2266 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2267 int size= codec->width * codec->height;
2268 bit_buffer_size= FFMAX(bit_buffer_size, 7*size + 10000);
2273 bit_buffer = av_malloc(bit_buffer_size);
2275 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2277 return AVERROR(ENOMEM);
2280 /* open each encoder */
2281 for (i = 0; i < nb_output_streams; i++) {
2282 ost = &output_streams[i];
2283 if (ost->encoding_needed) {
2284 AVCodec *codec = ost->enc;
2285 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2287 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2288 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2289 ret = AVERROR(EINVAL);
2292 if (dec->subtitle_header) {
2293 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2294 if (!ost->st->codec->subtitle_header) {
2295 ret = AVERROR(ENOMEM);
2298 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2299 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2301 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2302 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2303 ost->file_index, ost->index);
2304 ret = AVERROR(EINVAL);
2307 assert_codec_experimental(ost->st->codec, 1);
2308 assert_avoptions(ost->opts);
2309 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2310 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2311 " It takes bits/s as argument, not kbits/s\n");
2312 extra_size += ost->st->codec->extradata_size;
2314 if (ost->st->codec->me_threshold)
2315 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2319 /* init input streams */
2320 for (i = 0; i < nb_input_streams; i++)
2321 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2324 /* discard unused programs */
2325 for (i = 0; i < nb_input_files; i++) {
2326 InputFile *ifile = &input_files[i];
2327 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2328 AVProgram *p = ifile->ctx->programs[j];
2329 int discard = AVDISCARD_ALL;
2331 for (k = 0; k < p->nb_stream_indexes; k++)
2332 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2333 discard = AVDISCARD_DEFAULT;
2336 p->discard = discard;
2340 /* open files and write file headers */
2341 for (i = 0; i < nb_output_files; i++) {
2342 os = output_files[i].ctx;
2343 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2344 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2345 ret = AVERROR(EINVAL);
2348 // assert_avoptions(output_files[i].opts);
2349 if (strcmp(os->oformat->name, "rtp")) {
2355 /* dump the file output parameters - cannot be done before in case
2357 for(i=0;i<nb_output_files;i++) {
2358 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2361 /* dump the stream mapping */
2362 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2363 for (i = 0; i < nb_output_streams; i++) {
2364 ost = &output_streams[i];
2365 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2366 input_streams[ost->source_index].file_index,
2367 input_streams[ost->source_index].st->index,
2370 if (ost->sync_ist != &input_streams[ost->source_index])
2371 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2372 ost->sync_ist->file_index,
2373 ost->sync_ist->st->index);
2374 if (ost->st->stream_copy)
2375 av_log(NULL, AV_LOG_INFO, " (copy)");
2377 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2378 input_streams[ost->source_index].dec->name : "?",
2379 ost->enc ? ost->enc->name : "?");
2380 av_log(NULL, AV_LOG_INFO, "\n");
2384 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2389 print_sdp(output_files, nb_output_files);
2396 * The following code is the main loop of the file converter
2398 static int transcode(OutputFile *output_files, int nb_output_files,
2399 InputFile *input_files, int nb_input_files)
2402 AVFormatContext *is, *os;
2406 int no_packet_count=0;
2407 int64_t timer_start;
2410 if (!(no_packet = av_mallocz(nb_input_files)))
2413 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2418 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2419 avio_set_interrupt_cb(decode_interrupt_cb);
2422 timer_start = av_gettime();
2424 for(; received_sigterm == 0;) {
2425 int file_index, ist_index;
2429 int64_t cur_time= av_gettime();
2431 ipts_min= INT64_MAX;
2433 /* if 'q' pressed, exits */
2435 static int64_t last_time;
2436 if (received_nb_signals)
2438 /* read_key() returns 0 on EOF */
2439 if(cur_time - last_time >= 100000 && !run_as_daemon){
2441 last_time = cur_time;
2446 if (key == '+') av_log_set_level(av_log_get_level()+10);
2447 if (key == '-') av_log_set_level(av_log_get_level()-10);
2448 if (key == 's') qp_hist ^= 1;
2451 do_hex_dump = do_pkt_dump = 0;
2452 } else if(do_pkt_dump){
2456 av_log_set_level(AV_LOG_DEBUG);
2459 if (key == 'c' || key == 'C'){
2460 char buf[4096], target[64], command[256], arg[256] = {0};
2463 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2465 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2470 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2471 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2472 target, time, command, arg);
2473 for (i = 0; i < nb_output_streams; i++) {
2474 ost = &output_streams[i];
2477 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2478 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2479 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2481 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2486 av_log(NULL, AV_LOG_ERROR,
2487 "Parse error, at least 3 arguments were expected, "
2488 "only %d given in string '%s'\n", n, buf);
2492 if (key == 'd' || key == 'D'){
2495 debug = input_streams[0].st->codec->debug<<1;
2496 if(!debug) debug = 1;
2497 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2500 scanf("%d", &debug);
2501 for(i=0;i<nb_input_streams;i++) {
2502 input_streams[i].st->codec->debug = debug;
2504 for(i=0;i<nb_output_streams;i++) {
2505 ost = &output_streams[i];
2506 ost->st->codec->debug = debug;
2508 if(debug) av_log_set_level(AV_LOG_DEBUG);
2509 fprintf(stderr,"debug=%d\n", debug);
2512 fprintf(stderr, "key function\n"
2513 "? show this help\n"
2514 "+ increase verbosity\n"
2515 "- decrease verbosity\n"
2516 "c Send command to filtergraph\n"
2517 "D cycle through available debug modes\n"
2518 "h dump packets/hex press to cycle through the 3 states\n"
2520 "s Show QP histogram\n"
2525 /* select the stream that we must read now by looking at the
2526 smallest output pts */
2528 for (i = 0; i < nb_output_streams; i++) {
2532 ost = &output_streams[i];
2533 of = &output_files[ost->file_index];
2534 os = output_files[ost->file_index].ctx;
2535 ist = &input_streams[ost->source_index];
2536 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2537 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2539 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2541 if (!input_files[ist->file_index].eof_reached){
2542 if(ipts < ipts_min) {
2544 if(input_sync ) file_index = ist->file_index;
2546 if(opts < opts_min) {
2548 if(!input_sync) file_index = ist->file_index;
2551 if (ost->frame_number >= ost->max_frames) {
2553 for (j = 0; j < of->ctx->nb_streams; j++)
2554 output_streams[of->ost_index + j].is_past_recording_time = 1;
2558 /* if none, if is finished */
2559 if (file_index < 0) {
2560 if(no_packet_count){
2562 memset(no_packet, 0, nb_input_files);
2569 /* read a frame from it and output it in the fifo */
2570 is = input_files[file_index].ctx;
2571 ret= av_read_frame(is, &pkt);
2572 if(ret == AVERROR(EAGAIN)){
2573 no_packet[file_index]=1;
2578 input_files[file_index].eof_reached = 1;
2586 memset(no_packet, 0, nb_input_files);
2589 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2590 is->streams[pkt.stream_index]);
2592 /* the following test is needed in case new streams appear
2593 dynamically in stream : we ignore them */
2594 if (pkt.stream_index >= input_files[file_index].nb_streams)
2595 goto discard_packet;
2596 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2597 ist = &input_streams[ist_index];
2599 goto discard_packet;
2601 if (pkt.dts != AV_NOPTS_VALUE)
2602 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2603 if (pkt.pts != AV_NOPTS_VALUE)
2604 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2606 if(pkt.pts != AV_NOPTS_VALUE)
2607 pkt.pts *= ist->ts_scale;
2608 if(pkt.dts != AV_NOPTS_VALUE)
2609 pkt.dts *= ist->ts_scale;
2611 // 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);
2612 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2613 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2614 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2615 int64_t delta= pkt_dts - ist->next_pts;
2616 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2617 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2618 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2619 pkt_dts+1<ist->pts)&& !copy_ts){
2620 input_files[ist->file_index].ts_offset -= delta;
2621 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2622 delta, input_files[ist->file_index].ts_offset);
2623 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2624 if(pkt.pts != AV_NOPTS_VALUE)
2625 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2629 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2630 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2632 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2633 ist->file_index, ist->st->index);
2636 av_free_packet(&pkt);
2641 av_free_packet(&pkt);
2643 /* dump report by using the output first video and audio streams */
2644 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2647 /* at the end of stream, we must flush the decoder buffers */
2648 for (i = 0; i < nb_input_streams; i++) {
2649 ist = &input_streams[i];
2650 if (ist->decoding_needed) {
2651 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2654 flush_encoders(output_streams, nb_output_streams);
2658 /* write the trailer if needed and close file */
2659 for(i=0;i<nb_output_files;i++) {
2660 os = output_files[i].ctx;
2661 av_write_trailer(os);
2664 /* dump report by using the first video and audio streams */
2665 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
2667 /* close each encoder */
2668 for (i = 0; i < nb_output_streams; i++) {
2669 ost = &output_streams[i];
2670 if (ost->encoding_needed) {
2671 av_freep(&ost->st->codec->stats_in);
2672 avcodec_close(ost->st->codec);
2675 avfilter_graph_free(&ost->graph);
2679 /* close each decoder */
2680 for (i = 0; i < nb_input_streams; i++) {
2681 ist = &input_streams[i];
2682 if (ist->decoding_needed) {
2683 avcodec_close(ist->st->codec);
2691 av_freep(&bit_buffer);
2692 av_freep(&no_packet);
2694 if (output_streams) {
2695 for (i = 0; i < nb_output_streams; i++) {
2696 ost = &output_streams[i];
2698 if (ost->st->stream_copy)
2699 av_freep(&ost->st->codec->extradata);
2701 fclose(ost->logfile);
2702 ost->logfile = NULL;
2704 av_fifo_free(ost->fifo); /* works even if fifo is not
2705 initialized but set to zero */
2706 av_freep(&ost->st->codec->subtitle_header);
2707 av_free(ost->resample_frame.data[0]);
2708 av_free(ost->forced_kf_pts);
2709 if (ost->video_resample)
2710 sws_freeContext(ost->img_resample_ctx);
2711 swr_free(&ost->swr);
2712 av_dict_free(&ost->opts);
2719 static int opt_frame_crop(const char *opt, const char *arg)
2721 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
2722 return AVERROR(EINVAL);
2725 static int opt_pad(const char *opt, const char *arg)
2727 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
2731 static double parse_frame_aspect_ratio(const char *arg)
2738 p = strchr(arg, ':');
2740 x = strtol(arg, &end, 10);
2742 y = strtol(end+1, &end, 10);
2744 ar = (double)x / (double)y;
2746 ar = strtod(arg, NULL);
2749 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2755 static int opt_video_channel(const char *opt, const char *arg)
2757 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2758 return opt_default("channel", arg);
2761 static int opt_video_standard(const char *opt, const char *arg)
2763 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2764 return opt_default("standard", arg);
2767 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2769 audio_codec_name = arg;
2770 return parse_option(o, "codec:a", arg, options);
2773 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2775 video_codec_name = arg;
2776 return parse_option(o, "codec:v", arg, options);
2779 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2781 subtitle_codec_name = arg;
2782 return parse_option(o, "codec:s", arg, options);
2785 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2787 return parse_option(o, "codec:d", arg, options);
2790 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2792 StreamMap *m = NULL;
2793 int i, negative = 0, file_idx;
2794 int sync_file_idx = -1, sync_stream_idx;
2802 map = av_strdup(arg);
2804 /* parse sync stream first, just pick first matching stream */
2805 if (sync = strchr(map, ',')) {
2807 sync_file_idx = strtol(sync + 1, &sync, 0);
2808 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2809 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2814 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2815 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2816 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2817 sync_stream_idx = i;
2820 if (i == input_files[sync_file_idx].nb_streams) {
2821 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2822 "match any streams.\n", arg);
2828 file_idx = strtol(map, &p, 0);
2829 if (file_idx >= nb_input_files || file_idx < 0) {
2830 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2834 /* disable some already defined maps */
2835 for (i = 0; i < o->nb_stream_maps; i++) {
2836 m = &o->stream_maps[i];
2837 if (check_stream_specifier(input_files[m->file_index].ctx,
2838 input_files[m->file_index].ctx->streams[m->stream_index],
2839 *p == ':' ? p + 1 : p) > 0)
2843 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2844 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2845 *p == ':' ? p + 1 : p) <= 0)
2847 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2848 &o->nb_stream_maps, o->nb_stream_maps + 1);
2849 m = &o->stream_maps[o->nb_stream_maps - 1];
2851 m->file_index = file_idx;
2852 m->stream_index = i;
2854 if (sync_file_idx >= 0) {
2855 m->sync_file_index = sync_file_idx;
2856 m->sync_stream_index = sync_stream_idx;
2858 m->sync_file_index = file_idx;
2859 m->sync_stream_index = i;
2864 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2872 static void parse_meta_type(char *arg, char *type, int *index)
2882 if (*(++arg) == ':')
2883 *index = strtol(++arg, NULL, 0);
2886 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
2893 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2895 MetadataMap *m, *m1;
2898 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2899 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2901 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2902 m->file = strtol(arg, &p, 0);
2903 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2905 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2906 if (p = strchr(opt, ':'))
2907 parse_meta_type(p + 1, &m1->type, &m1->index);
2911 if (m->type == 'g' || m1->type == 'g')
2912 o->metadata_global_manual = 1;
2913 if (m->type == 's' || m1->type == 's')
2914 o->metadata_streams_manual = 1;
2915 if (m->type == 'c' || m1->type == 'c')
2916 o->metadata_chapters_manual = 1;
2921 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
2923 av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
2924 "Use -map_metadata instead.\n");
2925 return opt_map_metadata(o, opt, arg);
2928 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
2931 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2932 struct tm time = *gmtime((time_t*)&recording_timestamp);
2933 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2934 parse_option(o, "metadata", buf, options);
2936 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2937 "tag instead.\n", opt);
2941 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2943 const char *codec_string = encoder ? "encoder" : "decoder";
2947 return CODEC_ID_NONE;
2949 avcodec_find_encoder_by_name(name) :
2950 avcodec_find_decoder_by_name(name);
2952 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
2955 if(codec->type != type) {
2956 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
2962 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2964 char *codec_name = NULL;
2966 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2970 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2971 return avcodec_find_encoder(st->codec->codec_id);
2973 } else if (!strcmp(codec_name, "copy"))
2974 st->stream_copy = 1;
2976 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2977 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2978 avcodec_find_decoder_by_name(codec_name);
2985 * Add all the streams from the given input file to the global
2986 * list of input streams.
2988 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2990 int i, rfps, rfps_base;
2991 char *next, *codec_tag = NULL;
2993 for (i = 0; i < ic->nb_streams; i++) {
2994 AVStream *st = ic->streams[i];
2995 AVCodecContext *dec = st->codec;
2999 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3000 ist = &input_streams[nb_input_streams - 1];
3002 ist->file_index = nb_input_files;
3004 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3006 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
3007 ist->ts_scale = scale;
3009 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3011 uint32_t tag = strtol(codec_tag, &next, 0);
3013 tag = AV_RL32(codec_tag);
3014 st->codec->codec_tag = tag;
3017 ist->dec = choose_codec(o, ic, st, dec->codec_type);
3019 ist->dec = avcodec_find_decoder(dec->codec_id);
3021 switch (dec->codec_type) {
3022 case AVMEDIA_TYPE_AUDIO:
3024 ist->dec = avcodec_find_decoder(dec->codec_id);
3025 if(o->audio_disable)
3026 st->discard= AVDISCARD_ALL;
3028 case AVMEDIA_TYPE_VIDEO:
3030 ist->dec = avcodec_find_decoder(dec->codec_id);
3031 rfps = ic->streams[i]->r_frame_rate.num;
3032 rfps_base = ic->streams[i]->r_frame_rate.den;
3034 dec->flags |= CODEC_FLAG_EMU_EDGE;
3037 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3039 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",
3040 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3041 (float)rfps / rfps_base, rfps, rfps_base);
3044 if (o->video_disable)
3045 st->discard= AVDISCARD_ALL;
3046 else if(video_discard)
3047 st->discard= video_discard;
3049 case AVMEDIA_TYPE_DATA:
3051 case AVMEDIA_TYPE_SUBTITLE:
3053 ist->dec = avcodec_find_decoder(dec->codec_id);
3054 if(o->subtitle_disable)
3055 st->discard = AVDISCARD_ALL;
3057 case AVMEDIA_TYPE_ATTACHMENT:
3058 case AVMEDIA_TYPE_UNKNOWN:
3066 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3068 AVFormatContext *ic;
3069 AVInputFormat *file_iformat = NULL;
3073 AVDictionary **opts;
3074 int orig_nb_streams; // number of streams before avformat_find_stream_info
3077 if (!(file_iformat = av_find_input_format(o->format))) {
3078 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3083 if (!strcmp(filename, "-"))
3086 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3087 !strcmp(filename, "/dev/stdin");
3089 /* get default parameters from command line */
3090 ic = avformat_alloc_context();
3092 print_error(filename, AVERROR(ENOMEM));
3095 if (o->nb_audio_sample_rate) {
3096 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3097 av_dict_set(&format_opts, "sample_rate", buf, 0);
3099 if (o->nb_audio_channels) {
3100 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3101 av_dict_set(&format_opts, "channels", buf, 0);
3103 if (o->nb_frame_rates) {
3104 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3106 if (o->nb_frame_sizes) {
3107 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3109 if (o->nb_frame_pix_fmts)
3110 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3112 ic->video_codec_id =
3113 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3114 ic->audio_codec_id =
3115 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3116 ic->subtitle_codec_id=
3117 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3118 ic->flags |= AVFMT_FLAG_NONBLOCK;
3121 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3122 ic->loop_input = loop_input;
3125 /* open the input file with generic libav function */
3126 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3128 print_error(filename, err);
3131 assert_avoptions(format_opts);
3133 /* apply forced codec ids */
3134 for (i = 0; i < ic->nb_streams; i++)
3135 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
3137 /* Set AVCodecContext options for avformat_find_stream_info */
3138 opts = setup_find_stream_info_opts(ic, codec_opts);
3139 orig_nb_streams = ic->nb_streams;
3141 /* If not enough info to get the stream parameters, we decode the
3142 first frames to get it. (used in mpeg case for example) */
3143 ret = avformat_find_stream_info(ic, opts);
3145 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3146 av_close_input_file(ic);
3150 timestamp = o->start_time;
3151 /* add the stream start time */
3152 if (ic->start_time != AV_NOPTS_VALUE)
3153 timestamp += ic->start_time;
3155 /* if seeking requested, we execute it */
3156 if (o->start_time != 0) {
3157 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3159 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3160 filename, (double)timestamp / AV_TIME_BASE);
3164 /* update the current parameters so that they match the one of the input stream */
3165 add_input_streams(o, ic);
3167 /* dump the file content */
3168 av_dump_format(ic, nb_input_files, filename, 0);
3170 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3171 input_files[nb_input_files - 1].ctx = ic;
3172 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3173 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3174 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3175 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3177 for (i = 0; i < orig_nb_streams; i++)
3178 av_dict_free(&opts[i]);
3181 reset_options(o, 1);
3185 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3190 for (p = kf; *p; p++)
3193 ost->forced_kf_count = n;
3194 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3195 if (!ost->forced_kf_pts) {
3196 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3199 for (i = 0; i < n; i++) {
3200 p = i ? strchr(p, ',') + 1 : kf;
3201 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3205 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3208 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
3209 int idx = oc->nb_streams - 1;
3210 int64_t max_frames = INT64_MAX;
3211 char *bsf = NULL, *next, *codec_tag = NULL;
3212 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3216 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3220 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3221 nb_output_streams + 1);
3222 ost = &output_streams[nb_output_streams - 1];
3223 ost->file_index = nb_output_files;
3226 st->codec->codec_type = type;
3227 ost->enc = choose_codec(o, oc, st, type);
3229 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3232 avcodec_get_context_defaults3(st->codec, ost->enc);
3233 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3235 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3236 ost->max_frames = max_frames;
3238 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3240 if (next = strchr(bsf, ','))
3242 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3243 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3247 bsfc_prev->next = bsfc;
3249 ost->bitstream_filters = bsfc;
3255 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3257 uint32_t tag = strtol(codec_tag, &next, 0);
3259 tag = AV_RL32(codec_tag);
3260 st->codec->codec_tag = tag;
3263 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3264 if (qscale >= 0 || same_quant) {
3265 st->codec->flags |= CODEC_FLAG_QSCALE;
3266 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3269 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3270 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3272 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3276 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3279 const char *p = str;
3286 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3293 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3297 AVCodecContext *video_enc;
3299 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3301 video_enc = st->codec;
3303 if (!st->stream_copy) {
3304 const char *p = NULL;
3305 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3306 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3307 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3308 int i, force_fps = 0, top_field_first = -1;
3310 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3311 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3312 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3316 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3317 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3318 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3322 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3323 if (frame_aspect_ratio)
3324 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3326 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3327 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3328 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3329 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3332 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3335 video_enc->gop_size = 0;
3336 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3338 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3339 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3342 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3344 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3346 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3347 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3350 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3353 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3356 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3358 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3361 /* FIXME realloc failure */
3362 video_enc->rc_override=
3363 av_realloc(video_enc->rc_override,
3364 sizeof(RcOverride)*(i+1));
3365 video_enc->rc_override[i].start_frame= start;
3366 video_enc->rc_override[i].end_frame = end;
3368 video_enc->rc_override[i].qscale= q;
3369 video_enc->rc_override[i].quality_factor= 1.0;
3372 video_enc->rc_override[i].qscale= 0;
3373 video_enc->rc_override[i].quality_factor= -q/100.0;
3378 video_enc->rc_override_count=i;
3379 if (!video_enc->rc_initial_buffer_occupancy)
3380 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3381 video_enc->intra_dc_precision= intra_dc_precision - 8;
3386 video_enc->flags |= CODEC_FLAG_PASS1;
3388 video_enc->flags |= CODEC_FLAG_PASS2;
3392 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3393 if (forced_key_frames)
3394 parse_forced_key_frames(forced_key_frames, ost);
3396 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3397 ost->force_fps = force_fps;
3399 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3400 ost->top_field_first = top_field_first;
3403 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3405 ost->avfilter = av_strdup(filters);
3412 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3416 AVCodecContext *audio_enc;
3418 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3421 audio_enc = st->codec;
3422 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3424 if (!st->stream_copy) {
3425 char *sample_fmt = NULL;
3427 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3429 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3431 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3432 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3436 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3442 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3447 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3449 if (!st->stream_copy) {
3450 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3457 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3459 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3460 ost->st->stream_copy = 1;
3464 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3468 AVCodecContext *subtitle_enc;
3470 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3472 subtitle_enc = st->codec;
3474 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3479 /* arg format is "output-stream-index:streamid-value". */
3480 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3486 av_strlcpy(idx_str, arg, sizeof(idx_str));
3487 p = strchr(idx_str, ':');
3489 av_log(NULL, AV_LOG_FATAL,
3490 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3495 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3496 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3497 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3501 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3503 AVFormatContext *is = ifile->ctx;
3504 AVFormatContext *os = ofile->ctx;
3507 for (i = 0; i < is->nb_chapters; i++) {
3508 AVChapter *in_ch = is->chapters[i], *out_ch;
3509 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3510 AV_TIME_BASE_Q, in_ch->time_base);
3511 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3512 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3515 if (in_ch->end < ts_off)
3517 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3520 out_ch = av_mallocz(sizeof(AVChapter));
3522 return AVERROR(ENOMEM);
3524 out_ch->id = in_ch->id;
3525 out_ch->time_base = in_ch->time_base;
3526 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3527 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3530 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3533 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
3535 return AVERROR(ENOMEM);
3536 os->chapters[os->nb_chapters - 1] = out_ch;
3541 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3544 AVFormatContext *ic = NULL;
3546 err = avformat_open_input(&ic, filename, NULL, NULL);
3549 /* copy stream format */
3550 for(i=0;i<ic->nb_streams;i++) {
3555 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3556 ost = new_output_stream(o, s, codec->type);
3559 // FIXME: a more elegant solution is needed
3560 memcpy(st, ic->streams[i], sizeof(AVStream));
3561 st->info = av_malloc(sizeof(*st->info));
3562 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3563 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3565 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3566 choose_sample_fmt(st, codec);
3567 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3568 choose_pixel_fmt(st, codec);
3571 av_close_input_file(ic);
3575 static void opt_output_file(void *optctx, const char *filename)
3577 OptionsContext *o = optctx;
3578 AVFormatContext *oc;
3580 AVOutputFormat *file_oformat;
3584 if (!strcmp(filename, "-"))
3587 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3589 print_error(filename, err);
3592 file_oformat= oc->oformat;
3594 if (!strcmp(file_oformat->name, "ffm") &&
3595 av_strstart(filename, "http:", NULL)) {
3596 /* special case for files sent to ffserver: we get the stream
3597 parameters from ffserver */
3598 int err = read_ffserver_streams(o, oc, filename);
3600 print_error(filename, err);
3603 } else if (!o->nb_stream_maps) {
3604 /* pick the "best" stream of each type */
3605 #define NEW_STREAM(type, index)\
3607 ost = new_ ## type ## _stream(o, oc);\
3608 ost->source_index = index;\
3609 ost->sync_ist = &input_streams[index];\
3610 input_streams[index].discard = 0;\
3613 /* video: highest resolution */
3614 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3615 int area = 0, idx = -1;
3616 for (i = 0; i < nb_input_streams; i++) {
3617 ist = &input_streams[i];
3618 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3619 ist->st->codec->width * ist->st->codec->height > area) {
3620 area = ist->st->codec->width * ist->st->codec->height;
3624 NEW_STREAM(video, idx);
3627 /* audio: most channels */
3628 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3629 int channels = 0, idx = -1;
3630 for (i = 0; i < nb_input_streams; i++) {
3631 ist = &input_streams[i];
3632 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3633 ist->st->codec->channels > channels) {
3634 channels = ist->st->codec->channels;
3638 NEW_STREAM(audio, idx);
3641 /* subtitles: pick first */
3642 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
3643 for (i = 0; i < nb_input_streams; i++)
3644 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3645 NEW_STREAM(subtitle, i);
3649 /* do something with data? */
3651 for (i = 0; i < o->nb_stream_maps; i++) {
3652 StreamMap *map = &o->stream_maps[i];
3657 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3658 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
3660 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3662 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3665 switch (ist->st->codec->codec_type) {
3666 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3667 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3668 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3669 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3670 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3672 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d.%d - unsupported type.\n",
3673 map->file_index, map->stream_index);
3677 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3678 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3679 map->sync_stream_index];
3684 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3685 output_files[nb_output_files - 1].ctx = oc;
3686 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3687 output_files[nb_output_files - 1].recording_time = o->recording_time;
3688 output_files[nb_output_files - 1].start_time = o->start_time;
3689 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3690 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3692 /* check filename in case of an image number is expected */
3693 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3694 if (!av_filename_number_test(oc->filename)) {
3695 print_error(oc->filename, AVERROR(EINVAL));
3700 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3701 /* test if it already exists to avoid loosing precious files */
3702 if (!file_overwrite &&
3703 (strchr(filename, ':') == NULL ||
3704 filename[1] == ':' ||
3705 av_strstart(filename, "file:", NULL))) {
3706 if (avio_check(filename, 0) == 0) {
3708 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3711 if (!read_yesno()) {
3712 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3718 av_log(0, AV_LOG_FATAL,"File '%s' already exists. Exiting.\n", filename);
3725 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3726 print_error(filename, err);
3731 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3732 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3734 if (loop_output >= 0) {
3735 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3736 oc->loop_output = loop_output;
3740 if (o->chapters_input_file >= nb_input_files) {
3741 if (o->chapters_input_file == INT_MAX) {
3742 /* copy chapters from the first input file that has them*/
3743 o->chapters_input_file = -1;
3744 for (i = 0; i < nb_input_files; i++)
3745 if (input_files[i].ctx->nb_chapters) {
3746 o->chapters_input_file = i;
3750 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
3751 o->chapters_input_file);
3755 if (o->chapters_input_file >= 0)
3756 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3757 !o->metadata_chapters_manual);
3760 for (i = 0; i < o->nb_meta_data_maps; i++) {
3761 AVFormatContext *files[2];
3762 AVDictionary **meta[2];
3765 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3766 if ((index) < 0 || (index) >= (nb_elems)) {\
3767 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
3772 int in_file_index = o->meta_data_maps[i][1].file;
3773 if (in_file_index < 0)
3775 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3778 files[1] = input_files[in_file_index].ctx;
3780 for (j = 0; j < 2; j++) {
3781 MetadataMap *map = &o->meta_data_maps[i][j];
3783 switch (map->type) {
3785 meta[j] = &files[j]->metadata;
3788 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3789 meta[j] = &files[j]->streams[map->index]->metadata;
3792 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3793 meta[j] = &files[j]->chapters[map->index]->metadata;
3796 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3797 meta[j] = &files[j]->programs[map->index]->metadata;
3802 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3805 /* copy global metadata by default */
3806 if (!o->metadata_global_manual && nb_input_files){
3807 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3808 AV_DICT_DONT_OVERWRITE);
3809 if(o->recording_time != INT64_MAX)
3810 av_dict_set(&oc->metadata, "duration", NULL, 0);
3812 if (!o->metadata_streams_manual)
3813 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3814 InputStream *ist = &input_streams[output_streams[i].source_index];
3815 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3818 /* process manually set metadata */
3819 for (i = 0; i < o->nb_metadata; i++) {
3824 val = strchr(o->metadata[i].u.str, '=');
3826 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
3827 o->metadata[i].u.str);
3832 parse_meta_type(o->metadata[i].specifier, &type, &index);
3838 if (index < 0 || index >= oc->nb_streams) {
3839 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
3842 m = &oc->streams[index]->metadata;
3845 if (index < 0 || index >= oc->nb_chapters) {
3846 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
3849 m = &oc->chapters[index]->metadata;
3852 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3856 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3859 reset_options(o, 0);
3862 /* same option as mencoder */
3863 static int opt_pass(const char *opt, const char *arg)
3865 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3869 static int64_t getutime(void)
3872 struct rusage rusage;
3874 getrusage(RUSAGE_SELF, &rusage);
3875 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3876 #elif HAVE_GETPROCESSTIMES
3878 FILETIME c, e, k, u;
3879 proc = GetCurrentProcess();
3880 GetProcessTimes(proc, &c, &e, &k, &u);
3881 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3883 return av_gettime();
3887 static int64_t getmaxrss(void)
3889 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3890 struct rusage rusage;
3891 getrusage(RUSAGE_SELF, &rusage);
3892 return (int64_t)rusage.ru_maxrss * 1024;
3893 #elif HAVE_GETPROCESSMEMORYINFO
3895 PROCESS_MEMORY_COUNTERS memcounters;
3896 proc = GetCurrentProcess();
3897 memcounters.cb = sizeof(memcounters);
3898 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3899 return memcounters.PeakPagefileUsage;
3905 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3907 return parse_option(o, "q:a", arg, options);
3910 static void show_usage(void)
3912 printf("Hyper fast Audio and Video encoder\n");
3913 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3917 static int opt_help(const char *opt, const char *arg)
3919 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
3920 av_log_set_callback(log_callback_help);
3922 show_help_options(options, "Main options:\n",
3923 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3924 show_help_options(options, "\nAdvanced options:\n",
3925 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3927 show_help_options(options, "\nVideo options:\n",
3928 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3930 show_help_options(options, "\nAdvanced Video options:\n",
3931 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3932 OPT_VIDEO | OPT_EXPERT);
3933 show_help_options(options, "\nAudio options:\n",
3934 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3936 show_help_options(options, "\nAdvanced Audio options:\n",
3937 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3938 OPT_AUDIO | OPT_EXPERT);
3939 show_help_options(options, "\nSubtitle options:\n",
3940 OPT_SUBTITLE | OPT_GRAB,
3942 show_help_options(options, "\nAudio/Video grab options:\n",
3946 show_help_children(avcodec_get_class(), flags);
3947 show_help_children(avformat_get_class(), flags);
3948 show_help_children(sws_get_class(), flags);
3953 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3955 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3956 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3958 if(!strncmp(arg, "pal-", 4)) {
3961 } else if(!strncmp(arg, "ntsc-", 5)) {
3964 } else if(!strncmp(arg, "film-", 5)) {
3968 /* Try to determine PAL/NTSC by peeking in the input files */
3969 if(nb_input_files) {
3971 for (j = 0; j < nb_input_files; j++) {
3972 for (i = 0; i < input_files[j].nb_streams; i++) {
3973 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3974 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3976 fr = c->time_base.den * 1000 / c->time_base.num;
3980 } else if((fr == 29970) || (fr == 23976)) {
3989 if (norm != UNKNOWN)
3990 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3993 if(norm == UNKNOWN) {
3994 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3995 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3996 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4000 if(!strcmp(arg, "vcd")) {
4001 opt_video_codec(o, "c:v", "mpeg1video");
4002 opt_audio_codec(o, "c:a", "mp2");
4003 parse_option(o, "f", "vcd", options);
4005 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4006 parse_option(o, "r", frame_rates[norm], options);
4007 opt_default("g", norm == PAL ? "15" : "18");
4009 opt_default("b", "1150000");
4010 opt_default("maxrate", "1150000");
4011 opt_default("minrate", "1150000");
4012 opt_default("bufsize", "327680"); // 40*1024*8;
4014 opt_default("b:a", "224000");
4015 parse_option(o, "ar", "44100", options);
4016 parse_option(o, "ac", "2", options);
4018 opt_default("packetsize", "2324");
4019 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4021 /* We have to offset the PTS, so that it is consistent with the SCR.
4022 SCR starts at 36000, but the first two packs contain only padding
4023 and the first pack from the other stream, respectively, may also have
4024 been written before.
4025 So the real data starts at SCR 36000+3*1200. */
4026 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4027 } else if(!strcmp(arg, "svcd")) {
4029 opt_video_codec(o, "c:v", "mpeg2video");
4030 opt_audio_codec(o, "c:a", "mp2");
4031 parse_option(o, "f", "svcd", options);
4033 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4034 parse_option(o, "r", frame_rates[norm], options);
4035 parse_option(o, "pix_fmt", "yuv420p", options);
4036 opt_default("g", norm == PAL ? "15" : "18");
4038 opt_default("b", "2040000");
4039 opt_default("maxrate", "2516000");
4040 opt_default("minrate", "0"); //1145000;
4041 opt_default("bufsize", "1835008"); //224*1024*8;
4042 opt_default("flags", "+scan_offset");
4045 opt_default("b:a", "224000");
4046 parse_option(o, "ar", "44100", options);
4048 opt_default("packetsize", "2324");
4050 } else if(!strcmp(arg, "dvd")) {
4052 opt_video_codec(o, "c:v", "mpeg2video");
4053 opt_audio_codec(o, "c:a", "ac3");
4054 parse_option(o, "f", "dvd", options);
4056 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4057 parse_option(o, "r", frame_rates[norm], options);
4058 parse_option(o, "pix_fmt", "yuv420p", options);
4059 opt_default("g", norm == PAL ? "15" : "18");
4061 opt_default("b", "6000000");
4062 opt_default("maxrate", "9000000");
4063 opt_default("minrate", "0"); //1500000;
4064 opt_default("bufsize", "1835008"); //224*1024*8;
4066 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4067 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4069 opt_default("b:a", "448000");
4070 parse_option(o, "ar", "48000", options);
4072 } else if(!strncmp(arg, "dv", 2)) {
4074 parse_option(o, "f", "dv", options);
4076 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4077 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4078 norm == PAL ? "yuv420p" : "yuv411p", options);
4079 parse_option(o, "r", frame_rates[norm], options);
4081 parse_option(o, "ar", "48000", options);
4082 parse_option(o, "ac", "2", options);
4085 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4086 return AVERROR(EINVAL);
4091 static int opt_vstats_file(const char *opt, const char *arg)
4093 av_free (vstats_filename);
4094 vstats_filename=av_strdup (arg);
4098 static int opt_vstats(const char *opt, const char *arg)
4101 time_t today2 = time(NULL);
4102 struct tm *today = localtime(&today2);
4104 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4106 return opt_vstats_file(opt, filename);
4109 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4111 return parse_option(o, "frames:v", arg, options);
4114 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4116 return parse_option(o, "frames:a", arg, options);
4119 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4121 return parse_option(o, "frames:d", arg, options);
4124 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4127 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4128 const char *codec_name = *opt == 'v' ? video_codec_name :
4129 *opt == 'a' ? audio_codec_name :
4130 subtitle_codec_name;
4132 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4133 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4134 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4136 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4141 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4142 if(line[0] == '#' && !e)
4144 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4146 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4149 if(!strcmp(tmp, "acodec")){
4150 opt_audio_codec(o, tmp, tmp2);
4151 }else if(!strcmp(tmp, "vcodec")){
4152 opt_video_codec(o, tmp, tmp2);
4153 }else if(!strcmp(tmp, "scodec")){
4154 opt_subtitle_codec(o, tmp, tmp2);
4155 }else if(!strcmp(tmp, "dcodec")){
4156 opt_data_codec(o, tmp, tmp2);
4157 }else if(opt_default(tmp, tmp2) < 0){
4158 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4168 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4172 static int opt_passlogfile(const char *opt, const char *arg)
4174 pass_logfilename_prefix = arg;
4175 #if CONFIG_LIBX264_ENCODER
4176 return opt_default("passlogfile", arg);
4182 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4184 char *s= av_malloc(strlen(opt)+2);
4185 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4186 return parse_option(o, s, arg, options);
4189 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4191 if(!strcmp(opt, "b")){
4192 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4193 return parse_option(o, av_strdup("b:v"), arg, options);
4195 return opt_default(opt, arg);
4198 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4200 return parse_option(o, "filter:v", arg, options);
4203 #define OFFSET(x) offsetof(OptionsContext, x)
4204 static const OptionDef options[] = {
4206 #include "cmdutils_common_opts.h"
4207 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4208 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4209 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4210 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4211 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4212 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4213 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4214 "outfile[,metadata]:infile[,metadata]" },
4215 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4216 "outfile[,metadata]:infile[,metadata]" },
4217 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4218 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4219 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4220 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4221 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4222 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4223 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4224 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4225 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4226 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4227 "add timings for benchmarking" },
4228 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4229 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4230 "dump each input packet" },
4231 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4232 "when dumping packets, also dump the payload" },
4233 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4234 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4235 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4236 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4237 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4238 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4239 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4240 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4241 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4242 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4243 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4244 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4245 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4246 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4247 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4248 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4249 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4251 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4253 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4256 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4257 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4258 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4259 { "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" },
4260 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4261 { "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" },
4262 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4263 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4264 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4265 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4266 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4267 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4268 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4269 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4270 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4271 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4272 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4273 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4274 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4275 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4276 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4277 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4278 "use same quantizer as source (implies VBR)" },
4279 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4280 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4281 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4282 "deinterlace pictures" },
4283 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4284 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4286 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4288 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4289 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4290 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4291 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4292 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4293 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4294 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4295 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4296 { "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" },
4297 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4300 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4301 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4302 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4303 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4304 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4305 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4306 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4307 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4308 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4310 /* subtitle options */
4311 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4312 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4313 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4316 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4317 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4318 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4321 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4322 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4324 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4325 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4326 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4328 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4329 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4330 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4331 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4332 /* data codec support */
4333 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4335 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4339 int main(int argc, char **argv)
4341 OptionsContext o = { 0 };
4344 reset_options(&o, 0);
4346 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4347 parse_loglevel(argc, argv, options);
4349 if(argc>1 && !strcmp(argv[1], "-d")){
4351 av_log_set_callback(log_callback_null);
4356 avcodec_register_all();
4358 avdevice_register_all();
4361 avfilter_register_all();
4366 if(isatty(STDIN_FILENO))
4367 avio_set_interrupt_cb(decode_interrupt_cb);
4375 parse_options(&o, argc, argv, options, opt_output_file);
4377 if(nb_output_files <= 0 && nb_input_files == 0) {
4379 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4383 /* file converter / grab */
4384 if (nb_output_files <= 0) {
4385 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4389 if (nb_input_files == 0) {
4390 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4395 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4397 ti = getutime() - ti;
4399 int maxrss = getmaxrss() / 1024;
4400 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);