3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/buffersink.h"
56 # include "libavfilter/vsrc_buffer.h"
57 # include "libavfilter/avtool.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 char *video_codec_name = NULL;
118 static int same_quant = 0;
119 static int do_deinterlace = 0;
120 static int intra_dc_precision = 8;
121 static int loop_input = 0;
122 static int loop_output = AVFMT_NOOUTPUTLOOP;
123 static int qp_hist = 0;
124 static int intra_only = 0;
125 static char *audio_codec_name = NULL;
126 static char *subtitle_codec_name = NULL;
128 static char *data_codec_name = NULL;
130 static int file_overwrite = 0;
131 static int do_benchmark = 0;
132 static int do_hex_dump = 0;
133 static int do_pkt_dump = 0;
134 static int do_pass = 0;
135 static const char *pass_logfilename_prefix;
136 static int video_sync_method= -1;
137 static int audio_sync_method= 0;
138 static float audio_drift_threshold= 0.1;
139 static int copy_ts= 0;
140 static int copy_tb= 0;
141 static int opt_shortest = 0;
142 static char *vstats_filename;
143 static FILE *vstats_file;
144 static int copy_initial_nonkeyframes = 0;
146 static int audio_volume = 256;
148 static int exit_on_error = 0;
149 static int using_stdin = 0;
150 static int verbose = 1;
151 static int run_as_daemon = 0;
152 static int q_pressed = 0;
153 static int64_t video_size = 0;
154 static int64_t audio_size = 0;
155 static int64_t extra_size = 0;
156 static int nb_frames_dup = 0;
157 static int nb_frames_drop = 0;
158 static int input_sync;
160 static float dts_delta_threshold = 10;
162 static uint8_t *audio_buf;
163 static uint8_t *audio_out;
164 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
166 static short *samples;
167 static uint8_t *input_tmp= NULL;
169 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
171 typedef struct InputStream {
174 int discard; /* true if stream data should be discarded */
175 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
178 int64_t start; /* time when read started */
179 int64_t next_pts; /* synthetic pts for cases where pkt.pts
181 int64_t pts; /* current pts */
183 int is_start; /* is 1 at the start and after a discontinuity */
184 int showed_multi_packet_warning;
188 typedef struct InputFile {
189 AVFormatContext *ctx;
190 int eof_reached; /* true if eof reached */
191 int ist_index; /* index of first stream in ist_table */
192 int buffer_size; /* current total buffer size */
194 int nb_streams; /* number of stream that avconv is aware of; may be different
195 from ctx.nb_streams if new streams appear during av_read_frame() */
199 typedef struct OutputStream {
200 int file_index; /* file index */
201 int index; /* stream index in the output file */
202 int source_index; /* InputStream index */
203 AVStream *st; /* stream in the output file */
204 int encoding_needed; /* true if encoding needed for this stream */
206 /* input pts and corresponding output pts
208 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
209 struct InputStream *sync_ist; /* input stream to sync against */
210 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
211 AVBitStreamFilterContext *bitstream_filters;
217 AVFrame resample_frame; /* temporary frame for image resampling */
218 struct SwsContext *img_resample_ctx; /* for image resampling */
221 int resample_pix_fmt;
222 AVRational frame_rate;
226 float frame_aspect_ratio;
228 /* forced key frames */
229 int64_t *forced_kf_pts;
235 ReSampleContext *resample; /* for audio resampling */
236 int resample_sample_fmt;
237 int resample_channels;
238 int resample_sample_rate;
240 AVAudioConvert *reformat_ctx;
241 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
245 AVFilterContext *output_video_filter;
246 AVFilterContext *input_video_filter;
247 AVFilterBufferRef *picref;
249 AVFilterGraph *graph;
254 int is_past_recording_time;
260 /* init terminal so that we can grab keys */
261 static struct termios oldtty;
264 typedef struct OutputFile {
265 AVFormatContext *ctx;
267 int ost_index; /* index of the first stream in output_streams */
268 int64_t recording_time; /* desired length of the resulting file in microseconds */
269 int64_t start_time; /* start time in microseconds */
270 uint64_t limit_filesize;
273 static InputStream *input_streams = NULL;
274 static int nb_input_streams = 0;
275 static InputFile *input_files = NULL;
276 static int nb_input_files = 0;
278 static OutputStream *output_streams = NULL;
279 static int nb_output_streams = 0;
280 static OutputFile *output_files = NULL;
281 static int nb_output_files = 0;
283 typedef struct OptionsContext {
284 /* input/output options */
288 SpecifierOpt *codec_names;
290 SpecifierOpt *audio_channels;
291 int nb_audio_channels;
292 SpecifierOpt *audio_sample_rate;
293 int nb_audio_sample_rate;
294 SpecifierOpt *frame_rates;
296 SpecifierOpt *frame_sizes;
298 SpecifierOpt *frame_pix_fmts;
299 int nb_frame_pix_fmts;
302 int64_t input_ts_offset;
305 SpecifierOpt *ts_scale;
309 StreamMap *stream_maps;
311 /* first item specifies output metadata, second is input */
312 MetadataMap (*meta_data_maps)[2];
313 int nb_meta_data_maps;
314 int metadata_global_manual;
315 int metadata_streams_manual;
316 int metadata_chapters_manual;
318 int chapters_input_file;
320 int64_t recording_time;
321 uint64_t limit_filesize;
327 int subtitle_disable;
330 /* indexed by output file stream index */
334 SpecifierOpt *metadata;
336 SpecifierOpt *max_frames;
338 SpecifierOpt *bitstream_filters;
339 int nb_bitstream_filters;
340 SpecifierOpt *codec_tags;
342 SpecifierOpt *sample_fmts;
344 SpecifierOpt *qscale;
346 SpecifierOpt *forced_key_frames;
347 int nb_forced_key_frames;
348 SpecifierOpt *force_fps;
350 SpecifierOpt *frame_aspect_ratios;
351 int nb_frame_aspect_ratios;
352 SpecifierOpt *rc_overrides;
354 SpecifierOpt *intra_matrices;
355 int nb_intra_matrices;
356 SpecifierOpt *inter_matrices;
357 int nb_inter_matrices;
358 SpecifierOpt *top_field_first;
359 int nb_top_field_first;
361 SpecifierOpt *filters;
366 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
369 for (i = 0; i < o->nb_ ## name; i++) {\
370 char *spec = o->name[i].specifier;\
371 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
372 outvar = o->name[i].u.type;\
378 static void reset_options(OptionsContext *o, int is_input)
380 const OptionDef *po = options;
381 OptionsContext bak= *o;
383 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
385 void *dst = (uint8_t*)o + po->u.off;
387 if (po->flags & OPT_SPEC) {
388 SpecifierOpt **so = dst;
389 int i, *count = (int*)(so + 1);
390 for (i = 0; i < *count; i++) {
391 av_freep(&(*so)[i].specifier);
392 if (po->flags & OPT_STRING)
393 av_freep(&(*so)[i].u.str);
397 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
402 av_freep(&o->stream_maps);
403 av_freep(&o->meta_data_maps);
404 av_freep(&o->streamid_map);
406 memset(o, 0, sizeof(*o));
408 if(is_input) o->recording_time = bak.recording_time;
409 else o->recording_time = INT64_MAX;
410 o->mux_preload = 0.5;
411 o->mux_max_delay = 0.7;
412 o->limit_filesize = UINT64_MAX;
413 o->chapters_input_file = INT_MAX;
421 static int configure_video_filters(InputStream *ist, OutputStream *ost)
423 AVFilterContext *last_filter, *filter;
424 /** filter graph containing all filters including input & output */
425 AVCodecContext *codec = ost->st->codec;
426 AVCodecContext *icodec = ist->st->codec;
427 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
428 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
429 AVRational sample_aspect_ratio;
433 ost->graph = avfilter_graph_alloc();
435 if (ist->st->sample_aspect_ratio.num){
436 sample_aspect_ratio = ist->st->sample_aspect_ratio;
438 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
440 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
441 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
442 sample_aspect_ratio.num, sample_aspect_ratio.den);
444 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
445 "src", args, NULL, ost->graph);
448 #if FF_API_OLD_VSINK_API
449 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
450 "out", NULL, pix_fmts, ost->graph);
452 buffersink_params->pixel_fmts = pix_fmts;
453 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
454 "out", NULL, buffersink_params, ost->graph);
456 av_freep(&buffersink_params);
459 last_filter = ost->input_video_filter;
461 if (codec->width != icodec->width || codec->height != icodec->height) {
462 snprintf(args, 255, "%d:%d:flags=0x%X",
466 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
467 NULL, args, NULL, ost->graph)) < 0)
469 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
471 last_filter = filter;
474 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
475 ost->graph->scale_sws_opts = av_strdup(args);
478 AVFilterInOut *outputs = avfilter_inout_alloc();
479 AVFilterInOut *inputs = avfilter_inout_alloc();
481 outputs->name = av_strdup("in");
482 outputs->filter_ctx = last_filter;
483 outputs->pad_idx = 0;
484 outputs->next = NULL;
486 inputs->name = av_strdup("out");
487 inputs->filter_ctx = ost->output_video_filter;
491 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
493 av_freep(&ost->avfilter);
495 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
499 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
502 codec->width = ost->output_video_filter->inputs[0]->w;
503 codec->height = ost->output_video_filter->inputs[0]->h;
504 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
505 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
506 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
507 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
511 #endif /* CONFIG_AVFILTER */
513 static void term_exit(void)
515 av_log(NULL, AV_LOG_QUIET, "%s", "");
518 tcsetattr (0, TCSANOW, &oldtty);
522 static volatile int received_sigterm = 0;
525 sigterm_handler(int sig)
527 received_sigterm = sig;
532 static void term_init(void)
542 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
543 |INLCR|IGNCR|ICRNL|IXON);
544 tty.c_oflag |= OPOST;
545 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
546 tty.c_cflag &= ~(CSIZE|PARENB);
551 tcsetattr (0, TCSANOW, &tty);
552 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
556 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
557 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
559 signal(SIGXCPU, sigterm_handler);
563 /* read a key without blocking */
564 static int read_key(void)
579 n = select(1, &rfds, NULL, NULL, &tv);
588 # if HAVE_PEEKNAMEDPIPE
590 static HANDLE input_handle;
593 input_handle = GetStdHandle(STD_INPUT_HANDLE);
594 is_pipe = !GetConsoleMode(input_handle, &dw);
597 if (stdin->_cnt > 0) {
602 /* When running under a GUI, you will end here. */
603 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
620 static int decode_interrupt_cb(void)
622 q_pressed += read_key() == 'q';
623 return q_pressed > 1;
626 void exit_program(int ret)
631 for(i=0;i<nb_output_files;i++) {
632 AVFormatContext *s = output_files[i].ctx;
633 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
635 avformat_free_context(s);
636 av_dict_free(&output_files[i].opts);
638 for(i=0;i<nb_input_files;i++) {
639 av_close_input_file(input_files[i].ctx);
641 for (i = 0; i < nb_input_streams; i++)
642 av_dict_free(&input_streams[i].opts);
646 av_free(vstats_filename);
648 av_freep(&input_streams);
649 av_freep(&input_files);
650 av_freep(&output_streams);
651 av_freep(&output_files);
656 allocated_audio_buf_size= allocated_audio_out_size= 0;
663 av_freep(&input_tmp);
665 if (received_sigterm) {
667 "Received signal %d: terminating.\n",
668 (int) received_sigterm);
672 exit(ret); /* not all OS-es handle main() return value */
675 static void assert_avoptions(AVDictionary *m)
677 AVDictionaryEntry *t;
678 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
679 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
684 static void assert_codec_experimental(AVCodecContext *c, int encoder)
686 const char *codec_string = encoder ? "encoder" : "decoder";
688 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
689 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
690 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
691 "results.\nAdd '-strict experimental' if you want to use it.\n",
692 codec_string, c->codec->name);
693 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
694 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
695 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
696 codec_string, codec->name);
701 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
703 if(codec && codec->sample_fmts){
704 const enum AVSampleFormat *p= codec->sample_fmts;
706 if(*p == st->codec->sample_fmt)
710 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
711 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
712 if(av_get_sample_fmt_name(st->codec->sample_fmt))
713 av_log(NULL, AV_LOG_WARNING,
714 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
715 av_get_sample_fmt_name(st->codec->sample_fmt),
717 av_get_sample_fmt_name(codec->sample_fmts[0]));
718 st->codec->sample_fmt = codec->sample_fmts[0];
723 static void choose_sample_rate(AVStream *st, AVCodec *codec)
725 if(codec && codec->supported_samplerates){
726 const int *p= codec->supported_samplerates;
728 int best_dist=INT_MAX;
730 int dist= abs(st->codec->sample_rate - *p);
731 if(dist < best_dist){
737 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
739 st->codec->sample_rate= best;
743 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
745 if(codec && codec->pix_fmts){
746 const enum PixelFormat *p= codec->pix_fmts;
747 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
748 if(st->codec->codec_id==CODEC_ID_MJPEG){
749 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
750 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
751 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};
755 if(*p == st->codec->pix_fmt)
759 if(st->codec->pix_fmt != PIX_FMT_NONE)
760 av_log(NULL, AV_LOG_WARNING,
761 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
762 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
764 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
765 st->codec->pix_fmt = codec->pix_fmts[0];
771 get_sync_ipts(const OutputStream *ost)
773 const InputStream *ist = ost->sync_ist;
774 OutputFile *of = &output_files[ost->file_index];
775 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
778 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
782 AVPacket new_pkt= *pkt;
783 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
784 &new_pkt.data, &new_pkt.size,
785 pkt->data, pkt->size,
786 pkt->flags & AV_PKT_FLAG_KEY);
789 new_pkt.destruct= av_destruct_packet;
791 fprintf(stderr, "%s failed for stream %d, codec %s",
792 bsfc->filter->name, pkt->stream_index,
793 avctx->codec ? avctx->codec->name : "copy");
803 ret= av_interleaved_write_frame(s, pkt);
805 print_error("av_interleaved_write_frame()", ret);
810 static void do_audio_out(AVFormatContext *s,
813 unsigned char *buf, int size)
816 int64_t audio_out_size, audio_buf_size;
817 int64_t allocated_for_size= size;
819 int size_out, frame_bytes, ret, resample_changed;
820 AVCodecContext *enc= ost->st->codec;
821 AVCodecContext *dec= ist->st->codec;
822 int osize = av_get_bytes_per_sample(enc->sample_fmt);
823 int isize = av_get_bytes_per_sample(dec->sample_fmt);
824 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
827 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
828 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
829 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
830 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
831 audio_buf_size*= osize*enc->channels;
833 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
834 if(coded_bps > 8*osize)
835 audio_out_size= audio_out_size * coded_bps / (8*osize);
836 audio_out_size += FF_MIN_BUFFER_SIZE;
838 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
839 fprintf(stderr, "Buffer sizes too large\n");
843 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
844 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
845 if (!audio_buf || !audio_out){
846 fprintf(stderr, "Out of memory in do_audio_out\n");
850 if (enc->channels != dec->channels)
851 ost->audio_resample = 1;
853 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
854 ost->resample_channels != dec->channels ||
855 ost->resample_sample_rate != dec->sample_rate;
857 if ((ost->audio_resample && !ost->resample) || resample_changed) {
858 if (resample_changed) {
859 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",
860 ist->file_index, ist->st->index,
861 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
862 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
863 ost->resample_sample_fmt = dec->sample_fmt;
864 ost->resample_channels = dec->channels;
865 ost->resample_sample_rate = dec->sample_rate;
867 audio_resample_close(ost->resample);
869 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
870 if (audio_sync_method <= 1 &&
871 ost->resample_sample_fmt == enc->sample_fmt &&
872 ost->resample_channels == enc->channels &&
873 ost->resample_sample_rate == enc->sample_rate) {
874 ost->resample = NULL;
875 ost->audio_resample = 0;
877 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
878 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
879 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
880 enc->sample_rate, dec->sample_rate,
881 enc->sample_fmt, dec->sample_fmt,
883 if (!ost->resample) {
884 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
885 dec->channels, dec->sample_rate,
886 enc->channels, enc->sample_rate);
892 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
893 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
894 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
895 if (ost->reformat_ctx)
896 av_audio_convert_free(ost->reformat_ctx);
897 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
898 dec->sample_fmt, 1, NULL, 0);
899 if (!ost->reformat_ctx) {
900 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
901 av_get_sample_fmt_name(dec->sample_fmt),
902 av_get_sample_fmt_name(enc->sample_fmt));
905 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
908 if(audio_sync_method){
909 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
910 - av_fifo_size(ost->fifo)/(enc->channels * 2);
911 double idelta= delta*dec->sample_rate / enc->sample_rate;
912 int byte_delta= ((int)idelta)*2*dec->channels;
914 //FIXME resample delay
915 if(fabs(delta) > 50){
916 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
918 byte_delta= FFMAX(byte_delta, -size);
922 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
927 input_tmp= av_realloc(input_tmp, byte_delta + size);
929 if(byte_delta > allocated_for_size - size){
930 allocated_for_size= byte_delta + (int64_t)size;
935 memset(input_tmp, 0, byte_delta);
936 memcpy(input_tmp + byte_delta, buf, size);
940 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
942 }else if(audio_sync_method>1){
943 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
944 av_assert0(ost->audio_resample);
946 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
947 // 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));
948 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
952 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
953 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
955 if (ost->audio_resample) {
957 size_out = audio_resample(ost->resample,
958 (short *)buftmp, (short *)buf,
959 size / (dec->channels * isize));
960 size_out = size_out * enc->channels * osize;
966 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
967 const void *ibuf[6]= {buftmp};
968 void *obuf[6]= {audio_buf};
969 int istride[6]= {isize};
970 int ostride[6]= {osize};
971 int len= size_out/istride[0];
972 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
973 printf("av_audio_convert() failed\n");
979 size_out = len*osize;
982 /* now encode as many frames as possible */
983 if (enc->frame_size > 1) {
984 /* output resampled raw samples */
985 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
986 fprintf(stderr, "av_fifo_realloc2() failed\n");
989 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
991 frame_bytes = enc->frame_size * osize * enc->channels;
993 while (av_fifo_size(ost->fifo) >= frame_bytes) {
995 av_init_packet(&pkt);
997 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
999 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1001 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1002 (short *)audio_buf);
1004 fprintf(stderr, "Audio encoding failed\n");
1008 pkt.stream_index= ost->index;
1009 pkt.data= audio_out;
1011 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1012 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1013 pkt.flags |= AV_PKT_FLAG_KEY;
1014 write_frame(s, &pkt, enc, ost->bitstream_filters);
1016 ost->sync_opts += enc->frame_size;
1020 av_init_packet(&pkt);
1022 ost->sync_opts += size_out / (osize * enc->channels);
1024 /* output a pcm frame */
1025 /* determine the size of the coded buffer */
1028 size_out = size_out*coded_bps/8;
1030 if(size_out > audio_out_size){
1031 fprintf(stderr, "Internal error, buffer size too small\n");
1035 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1036 ret = avcodec_encode_audio(enc, audio_out, size_out,
1039 fprintf(stderr, "Audio encoding failed\n");
1043 pkt.stream_index= ost->index;
1044 pkt.data= audio_out;
1046 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1047 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1048 pkt.flags |= AV_PKT_FLAG_KEY;
1049 write_frame(s, &pkt, enc, ost->bitstream_filters);
1053 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1055 AVCodecContext *dec;
1056 AVPicture *picture2;
1057 AVPicture picture_tmp;
1060 dec = ist->st->codec;
1062 /* deinterlace : must be done before any resize */
1063 if (do_deinterlace) {
1066 /* create temporary picture */
1067 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1068 buf = av_malloc(size);
1072 picture2 = &picture_tmp;
1073 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1075 if(avpicture_deinterlace(picture2, picture,
1076 dec->pix_fmt, dec->width, dec->height) < 0) {
1077 /* if error, do not deinterlace */
1078 fprintf(stderr, "Deinterlacing failed\n");
1087 if (picture != picture2)
1088 *picture = *picture2;
1092 static void do_subtitle_out(AVFormatContext *s,
1098 static uint8_t *subtitle_out = NULL;
1099 int subtitle_out_max_size = 1024 * 1024;
1100 int subtitle_out_size, nb, i;
1101 AVCodecContext *enc;
1104 if (pts == AV_NOPTS_VALUE) {
1105 fprintf(stderr, "Subtitle packets must have a pts\n");
1111 enc = ost->st->codec;
1113 if (!subtitle_out) {
1114 subtitle_out = av_malloc(subtitle_out_max_size);
1117 /* Note: DVB subtitle need one packet to draw them and one other
1118 packet to clear them */
1119 /* XXX: signal it in the codec context ? */
1120 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1125 for(i = 0; i < nb; i++) {
1126 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1127 // start_display_time is required to be 0
1128 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1129 sub->end_display_time -= sub->start_display_time;
1130 sub->start_display_time = 0;
1131 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1132 subtitle_out_max_size, sub);
1133 if (subtitle_out_size < 0) {
1134 fprintf(stderr, "Subtitle encoding failed\n");
1138 av_init_packet(&pkt);
1139 pkt.stream_index = ost->index;
1140 pkt.data = subtitle_out;
1141 pkt.size = subtitle_out_size;
1142 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1143 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1144 /* XXX: the pts correction is handled here. Maybe handling
1145 it in the codec would be better */
1147 pkt.pts += 90 * sub->start_display_time;
1149 pkt.pts += 90 * sub->end_display_time;
1151 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1155 static int bit_buffer_size= 1024*256;
1156 static uint8_t *bit_buffer= NULL;
1158 static void do_video_resample(OutputStream *ost,
1160 AVFrame *in_picture,
1161 AVFrame **out_picture)
1164 *out_picture = in_picture;
1166 AVCodecContext *dec = ist->st->codec;
1167 AVCodecContext *enc = ost->st->codec;
1168 int resample_changed = ost->resample_width != dec->width ||
1169 ost->resample_height != dec->height ||
1170 ost->resample_pix_fmt != dec->pix_fmt;
1172 *out_picture = in_picture;
1173 if (resample_changed) {
1174 av_log(NULL, AV_LOG_INFO,
1175 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1176 ist->file_index, ist->st->index,
1177 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1178 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1179 ost->resample_width = dec->width;
1180 ost->resample_height = dec->height;
1181 ost->resample_pix_fmt = dec->pix_fmt;
1184 ost->video_resample = dec->width != enc->width ||
1185 dec->height != enc->height ||
1186 dec->pix_fmt != enc->pix_fmt;
1188 if (ost->video_resample) {
1189 *out_picture = &ost->resample_frame;
1190 if (!ost->img_resample_ctx || resample_changed) {
1191 /* initialize the destination picture */
1192 if (!ost->resample_frame.data[0]) {
1193 avcodec_get_frame_defaults(&ost->resample_frame);
1194 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1195 enc->width, enc->height)) {
1196 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1200 /* initialize a new scaler context */
1201 sws_freeContext(ost->img_resample_ctx);
1202 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1203 enc->width, enc->height, enc->pix_fmt,
1204 ost->sws_flags, NULL, NULL, NULL);
1205 if (ost->img_resample_ctx == NULL) {
1206 fprintf(stderr, "Cannot get resampling context\n");
1210 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1211 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1217 static void do_video_out(AVFormatContext *s,
1220 AVFrame *in_picture,
1221 int *frame_size, float quality)
1223 int nb_frames, i, ret, format_video_sync;
1224 AVFrame *final_picture;
1225 AVCodecContext *enc;
1228 enc = ost->st->codec;
1230 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1232 /* by default, we output a single frame */
1237 format_video_sync = video_sync_method;
1238 if (format_video_sync < 0)
1239 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1241 if (format_video_sync) {
1242 double vdelta = sync_ipts - ost->sync_opts;
1243 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1246 else if (format_video_sync == 2) {
1249 }else if(vdelta>0.6)
1250 ost->sync_opts= lrintf(sync_ipts);
1251 }else if (vdelta > 1.1)
1252 nb_frames = lrintf(vdelta);
1253 //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);
1254 if (nb_frames == 0){
1257 fprintf(stderr, "*** drop!\n");
1258 }else if (nb_frames > 1) {
1259 nb_frames_dup += nb_frames - 1;
1261 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1264 ost->sync_opts= lrintf(sync_ipts);
1266 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1270 do_video_resample(ost, ist, in_picture, &final_picture);
1272 /* duplicates frame if needed */
1273 for(i=0;i<nb_frames;i++) {
1275 av_init_packet(&pkt);
1276 pkt.stream_index= ost->index;
1278 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1279 /* raw pictures are written as AVPicture structure to
1280 avoid any copies. We support temporarily the older
1282 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1283 enc->coded_frame->top_field_first = in_picture->top_field_first;
1284 pkt.data= (uint8_t *)final_picture;
1285 pkt.size= sizeof(AVPicture);
1286 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1287 pkt.flags |= AV_PKT_FLAG_KEY;
1289 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1291 AVFrame big_picture;
1293 big_picture= *final_picture;
1294 /* better than nothing: use input picture interlaced
1296 big_picture.interlaced_frame = in_picture->interlaced_frame;
1297 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1298 if (ost->top_field_first == -1)
1299 big_picture.top_field_first = in_picture->top_field_first;
1301 big_picture.top_field_first = !!ost->top_field_first;
1304 /* handles same_quant here. This is not correct because it may
1305 not be a global option */
1306 big_picture.quality = quality;
1307 if (!enc->me_threshold)
1308 big_picture.pict_type = 0;
1309 // big_picture.pts = AV_NOPTS_VALUE;
1310 big_picture.pts= ost->sync_opts;
1311 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1312 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1313 if (ost->forced_kf_index < ost->forced_kf_count &&
1314 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1315 big_picture.pict_type = AV_PICTURE_TYPE_I;
1316 ost->forced_kf_index++;
1318 ret = avcodec_encode_video(enc,
1319 bit_buffer, bit_buffer_size,
1322 fprintf(stderr, "Video encoding failed\n");
1327 pkt.data= bit_buffer;
1329 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1330 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1331 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1332 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1333 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1335 if(enc->coded_frame->key_frame)
1336 pkt.flags |= AV_PKT_FLAG_KEY;
1337 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1340 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1341 // enc->frame_number-1, ret, enc->pict_type);
1342 /* if two pass, output log */
1343 if (ost->logfile && enc->stats_out) {
1344 fprintf(ost->logfile, "%s", enc->stats_out);
1349 ost->frame_number++;
1353 static double psnr(double d){
1354 return -10.0*log(d)/log(10.0);
1357 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1360 AVCodecContext *enc;
1362 double ti1, bitrate, avg_bitrate;
1364 /* this is executed just the first time do_video_stats is called */
1366 vstats_file = fopen(vstats_filename, "w");
1373 enc = ost->st->codec;
1374 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1375 frame_number = ost->frame_number;
1376 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1377 if (enc->flags&CODEC_FLAG_PSNR)
1378 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1380 fprintf(vstats_file,"f_size= %6d ", frame_size);
1381 /* compute pts value */
1382 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1386 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1387 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1388 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1389 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1390 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1394 static void print_report(OutputFile *output_files,
1395 OutputStream *ost_table, int nb_ostreams,
1396 int is_last_report, int64_t timer_start)
1400 AVFormatContext *oc;
1402 AVCodecContext *enc;
1403 int frame_number, vid, i;
1405 int64_t pts = INT64_MAX;
1406 static int64_t last_time = -1;
1407 static int qp_histogram[52];
1409 if (!is_last_report) {
1411 /* display the report every 0.5 seconds */
1412 cur_time = av_gettime();
1413 if (last_time == -1) {
1414 last_time = cur_time;
1417 if ((cur_time - last_time) < 500000)
1419 last_time = cur_time;
1423 oc = output_files[0].ctx;
1425 total_size = avio_size(oc->pb);
1426 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1427 total_size= avio_tell(oc->pb);
1431 for(i=0;i<nb_ostreams;i++) {
1433 ost = &ost_table[i];
1434 enc = ost->st->codec;
1435 if (!ost->st->stream_copy && enc->coded_frame)
1436 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1437 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1438 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1440 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1441 float t = (av_gettime()-timer_start) / 1000000.0;
1443 frame_number = ost->frame_number;
1444 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1445 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1451 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1456 if (enc->flags&CODEC_FLAG_PSNR){
1458 double error, error_sum=0;
1459 double scale, scale_sum=0;
1460 char type[3]= {'Y','U','V'};
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1464 error= enc->error[j];
1465 scale= enc->width*enc->height*255.0*255.0*frame_number;
1467 error= enc->coded_frame->error[j];
1468 scale= enc->width*enc->height*255.0*255.0;
1473 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1475 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1479 /* compute min output value */
1480 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1481 ost->st->time_base, AV_TIME_BASE_Q));
1484 if (verbose > 0 || is_last_report) {
1485 int hours, mins, secs, us;
1486 secs = pts / AV_TIME_BASE;
1487 us = pts % AV_TIME_BASE;
1493 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1495 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1496 "size=%8.0fkB time=", total_size / 1024.0);
1497 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1498 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1499 (100 * us) / AV_TIME_BASE);
1500 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1501 "bitrate=%6.1fkbits/s", bitrate);
1503 if (nb_frames_dup || nb_frames_drop)
1504 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1505 nb_frames_dup, nb_frames_drop);
1508 fprintf(stderr, "%s \r", buf);
1513 if (is_last_report && verbose >= 0){
1514 int64_t raw= audio_size + video_size + extra_size;
1515 fprintf(stderr, "\n");
1516 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1520 100.0*(total_size - raw)/raw
1525 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1527 int fill_char = 0x00;
1528 if (sample_fmt == AV_SAMPLE_FMT_U8)
1530 memset(buf, fill_char, size);
1533 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1537 for (i = 0; i < nb_ostreams; i++) {
1538 OutputStream *ost = &ost_table[i];
1539 AVCodecContext *enc = ost->st->codec;
1540 AVFormatContext *os = output_files[ost->file_index].ctx;
1542 if (!ost->encoding_needed)
1545 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1547 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1553 av_init_packet(&pkt);
1554 pkt.stream_index= ost->index;
1556 switch (ost->st->codec->codec_type) {
1557 case AVMEDIA_TYPE_AUDIO:
1558 fifo_bytes = av_fifo_size(ost->fifo);
1560 /* encode any samples remaining in fifo */
1561 if (fifo_bytes > 0) {
1562 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1563 int fs_tmp = enc->frame_size;
1565 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1566 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1567 enc->frame_size = fifo_bytes / (osize * enc->channels);
1569 int frame_bytes = enc->frame_size*osize*enc->channels;
1570 if (allocated_audio_buf_size < frame_bytes)
1572 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1575 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1576 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1577 ost->st->time_base.num, enc->sample_rate);
1578 enc->frame_size = fs_tmp;
1581 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1584 fprintf(stderr, "Audio encoding failed\n");
1588 pkt.flags |= AV_PKT_FLAG_KEY;
1590 case AVMEDIA_TYPE_VIDEO:
1591 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1593 fprintf(stderr, "Video encoding failed\n");
1597 if(enc->coded_frame && enc->coded_frame->key_frame)
1598 pkt.flags |= AV_PKT_FLAG_KEY;
1599 if (ost->logfile && enc->stats_out) {
1600 fprintf(ost->logfile, "%s", enc->stats_out);
1609 pkt.data = bit_buffer;
1611 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1612 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1613 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1618 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1619 static int output_packet(InputStream *ist, int ist_index,
1620 OutputStream *ost_table, int nb_ostreams,
1621 const AVPacket *pkt)
1623 AVFormatContext *os;
1628 void *buffer_to_free = NULL;
1629 static unsigned int samples_size= 0;
1630 AVSubtitle subtitle, *subtitle_to_free;
1631 int64_t pkt_pts = AV_NOPTS_VALUE;
1633 int frame_available;
1638 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1640 if(ist->next_pts == AV_NOPTS_VALUE)
1641 ist->next_pts= ist->pts;
1645 av_init_packet(&avpkt);
1653 if(pkt->dts != AV_NOPTS_VALUE)
1654 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1655 if(pkt->pts != AV_NOPTS_VALUE)
1656 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1658 //while we have more to decode or while the decoder did output something on EOF
1659 while (avpkt.size > 0 || (!pkt && got_output)) {
1660 uint8_t *data_buf, *decoded_data_buf;
1661 int data_size, decoded_data_size;
1663 ist->pts= ist->next_pts;
1665 if(avpkt.size && avpkt.size != pkt->size &&
1666 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1667 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1668 ist->showed_multi_packet_warning=1;
1671 /* decode the packet if needed */
1672 decoded_data_buf = NULL; /* fail safe */
1673 decoded_data_size= 0;
1674 data_buf = avpkt.data;
1675 data_size = avpkt.size;
1676 subtitle_to_free = NULL;
1677 if (ist->decoding_needed) {
1678 switch(ist->st->codec->codec_type) {
1679 case AVMEDIA_TYPE_AUDIO:{
1680 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1681 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1683 samples= av_malloc(samples_size);
1685 decoded_data_size= samples_size;
1686 /* XXX: could avoid copy if PCM 16 bits with same
1687 endianness as CPU */
1688 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1695 got_output = decoded_data_size > 0;
1696 /* Some bug in mpeg audio decoder gives */
1697 /* decoded_data_size < 0, it seems they are overflows */
1699 /* no audio frame */
1702 decoded_data_buf = (uint8_t *)samples;
1703 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1704 (ist->st->codec->sample_rate * ist->st->codec->channels);
1706 case AVMEDIA_TYPE_VIDEO:
1707 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1708 /* XXX: allocate picture correctly */
1709 avcodec_get_frame_defaults(&picture);
1710 avpkt.pts = pkt_pts;
1711 avpkt.dts = ist->pts;
1712 pkt_pts = AV_NOPTS_VALUE;
1714 ret = avcodec_decode_video2(ist->st->codec,
1715 &picture, &got_output, &avpkt);
1716 quality = same_quant ? picture.quality : 0;
1720 /* no picture yet */
1721 goto discard_packet;
1723 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1724 if (ist->st->codec->time_base.num != 0) {
1725 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1726 ist->next_pts += ((int64_t)AV_TIME_BASE *
1727 ist->st->codec->time_base.num * ticks) /
1728 ist->st->codec->time_base.den;
1731 buffer_to_free = NULL;
1732 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1734 case AVMEDIA_TYPE_SUBTITLE:
1735 ret = avcodec_decode_subtitle2(ist->st->codec,
1736 &subtitle, &got_output, &avpkt);
1740 goto discard_packet;
1742 subtitle_to_free = &subtitle;
1749 switch(ist->st->codec->codec_type) {
1750 case AVMEDIA_TYPE_AUDIO:
1751 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1752 ist->st->codec->sample_rate;
1754 case AVMEDIA_TYPE_VIDEO:
1755 if (ist->st->codec->time_base.num != 0) {
1756 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1757 ist->next_pts += ((int64_t)AV_TIME_BASE *
1758 ist->st->codec->time_base.num * ticks) /
1759 ist->st->codec->time_base.den;
1767 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1768 for(i=0;i<nb_ostreams;i++) {
1769 OutputFile *of = &output_files[ost_table[i].file_index];
1770 if (of->start_time == 0 || ist->pts >= of->start_time) {
1771 ost = &ost_table[i];
1772 if (ost->input_video_filter && ost->source_index == ist_index) {
1773 if (!picture.sample_aspect_ratio.num)
1774 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1775 picture.pts = ist->pts;
1777 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1783 // preprocess audio (volume)
1784 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1785 if (audio_volume != 256) {
1788 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1789 int v = ((*volp) * audio_volume + 128) >> 8;
1790 *volp++ = av_clip_int16(v);
1795 /* frame rate emulation */
1796 if (input_files[ist->file_index].rate_emu) {
1797 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1798 int64_t now = av_gettime() - ist->start;
1802 /* if output time reached then transcode raw format,
1803 encode packets and output them */
1804 for (i = 0; i < nb_ostreams; i++) {
1805 OutputFile *of = &output_files[ost_table[i].file_index];
1808 ost = &ost_table[i];
1809 if (ost->source_index != ist_index)
1812 if (of->start_time && ist->pts < of->start_time)
1815 if (of->recording_time != INT64_MAX &&
1816 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1817 (AVRational){1, 1000000}) >= 0) {
1818 ost->is_past_recording_time = 1;
1823 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1824 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1825 while (frame_available) {
1826 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1827 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1828 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1831 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1832 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1836 os = output_files[ost->file_index].ctx;
1838 /* set the input output pts pairs */
1839 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1841 if (ost->encoding_needed) {
1842 av_assert0(ist->decoding_needed);
1843 switch(ost->st->codec->codec_type) {
1844 case AVMEDIA_TYPE_AUDIO:
1845 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1847 case AVMEDIA_TYPE_VIDEO:
1849 if (ost->picref->video && !ost->frame_aspect_ratio)
1850 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1852 do_video_out(os, ost, ist, &picture, &frame_size,
1853 same_quant ? quality : ost->st->codec->global_quality);
1854 if (vstats_filename && frame_size)
1855 do_video_stats(os, ost, frame_size);
1857 case AVMEDIA_TYPE_SUBTITLE:
1858 do_subtitle_out(os, ost, ist, &subtitle,
1865 AVFrame avframe; //FIXME/XXX remove this
1868 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1869 av_init_packet(&opkt);
1871 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1872 #if !CONFIG_AVFILTER
1878 /* no reencoding needed : output the packet directly */
1879 /* force the input stream PTS */
1881 avcodec_get_frame_defaults(&avframe);
1882 ost->st->codec->coded_frame= &avframe;
1883 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1885 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1886 audio_size += data_size;
1887 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1888 video_size += data_size;
1892 opkt.stream_index= ost->index;
1893 if(pkt->pts != AV_NOPTS_VALUE)
1894 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1896 opkt.pts= AV_NOPTS_VALUE;
1898 if (pkt->dts == AV_NOPTS_VALUE)
1899 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1901 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1902 opkt.dts -= ost_tb_start_time;
1904 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1905 opkt.flags= pkt->flags;
1907 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1908 if( ost->st->codec->codec_id != CODEC_ID_H264
1909 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1910 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1912 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1913 opkt.destruct= av_destruct_packet;
1915 opkt.data = data_buf;
1916 opkt.size = data_size;
1919 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1920 /* store AVPicture in AVPacket, as expected by the output format */
1921 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1922 opkt.data = (uint8_t *)&pict;
1923 opkt.size = sizeof(AVPicture);
1924 opkt.flags |= AV_PKT_FLAG_KEY;
1926 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1927 ost->st->codec->frame_number++;
1928 ost->frame_number++;
1929 av_free_packet(&opkt);
1933 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1934 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1935 avfilter_unref_buffer(ost->picref);
1940 av_free(buffer_to_free);
1941 /* XXX: allocate the subtitles in the codec ? */
1942 if (subtitle_to_free) {
1943 avsubtitle_free(subtitle_to_free);
1944 subtitle_to_free = NULL;
1952 static void print_sdp(OutputFile *output_files, int n)
1956 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1960 for (i = 0; i < n; i++)
1961 avc[i] = output_files[i].ctx;
1963 av_sdp_create(avc, n, sdp, sizeof(sdp));
1964 printf("SDP:\n%s\n", sdp);
1969 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1970 char *error, int error_len)
1972 InputStream *ist = &input_streams[ist_index];
1973 if (ist->decoding_needed) {
1974 AVCodec *codec = ist->dec;
1976 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
1977 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1978 return AVERROR(EINVAL);
1980 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1981 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1982 ist->file_index, ist->st->index);
1983 return AVERROR(EINVAL);
1985 assert_codec_experimental(ist->st->codec, 0);
1986 assert_avoptions(ist->opts);
1989 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;
1990 ist->next_pts = AV_NOPTS_VALUE;
1996 static int transcode_init(OutputFile *output_files,
1997 int nb_output_files,
1998 InputFile *input_files,
2001 int ret = 0, i, j, k;
2002 AVFormatContext *os;
2003 AVCodecContext *codec, *icodec;
2009 /* init framerate emulation */
2010 for (i = 0; i < nb_input_files; i++) {
2011 InputFile *ifile = &input_files[i];
2012 if (ifile->rate_emu)
2013 for (j = 0; j < ifile->nb_streams; j++)
2014 input_streams[j + ifile->ist_index].start = av_gettime();
2017 /* output stream init */
2018 for(i=0;i<nb_output_files;i++) {
2019 os = output_files[i].ctx;
2020 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2021 av_dump_format(os, i, os->filename, 1);
2022 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2023 return AVERROR(EINVAL);
2027 /* for each output stream, we compute the right encoding parameters */
2028 for (i = 0; i < nb_output_streams; i++) {
2029 ost = &output_streams[i];
2030 os = output_files[ost->file_index].ctx;
2031 ist = &input_streams[ost->source_index];
2033 codec = ost->st->codec;
2034 icodec = ist->st->codec;
2036 ost->st->disposition = ist->st->disposition;
2037 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2038 codec->chroma_sample_location = icodec->chroma_sample_location;
2040 if (ost->st->stream_copy) {
2041 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2043 if (extra_size > INT_MAX) {
2044 return AVERROR(EINVAL);
2047 /* if stream_copy is selected, no need to decode or encode */
2048 codec->codec_id = icodec->codec_id;
2049 codec->codec_type = icodec->codec_type;
2051 if(!codec->codec_tag){
2052 if( !os->oformat->codec_tag
2053 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2054 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2055 codec->codec_tag = icodec->codec_tag;
2058 codec->bit_rate = icodec->bit_rate;
2059 codec->rc_max_rate = icodec->rc_max_rate;
2060 codec->rc_buffer_size = icodec->rc_buffer_size;
2061 codec->extradata= av_mallocz(extra_size);
2062 if (!codec->extradata) {
2063 return AVERROR(ENOMEM);
2065 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2066 codec->extradata_size= icodec->extradata_size;
2068 codec->time_base = ist->st->time_base;
2069 if(!strcmp(os->oformat->name, "avi")) {
2070 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){
2071 codec->time_base = icodec->time_base;
2072 codec->time_base.num *= icodec->ticks_per_frame;
2073 codec->time_base.den *= 2;
2075 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2076 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){
2077 codec->time_base = icodec->time_base;
2078 codec->time_base.num *= icodec->ticks_per_frame;
2081 av_reduce(&codec->time_base.num, &codec->time_base.den,
2082 codec->time_base.num, codec->time_base.den, INT_MAX);
2084 switch(codec->codec_type) {
2085 case AVMEDIA_TYPE_AUDIO:
2086 if(audio_volume != 256) {
2087 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2090 codec->channel_layout = icodec->channel_layout;
2091 codec->sample_rate = icodec->sample_rate;
2092 codec->channels = icodec->channels;
2093 codec->frame_size = icodec->frame_size;
2094 codec->audio_service_type = icodec->audio_service_type;
2095 codec->block_align= icodec->block_align;
2096 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2097 codec->block_align= 0;
2098 if(codec->codec_id == CODEC_ID_AC3)
2099 codec->block_align= 0;
2101 case AVMEDIA_TYPE_VIDEO:
2102 codec->pix_fmt = icodec->pix_fmt;
2103 codec->width = icodec->width;
2104 codec->height = icodec->height;
2105 codec->has_b_frames = icodec->has_b_frames;
2106 if (!codec->sample_aspect_ratio.num) {
2107 codec->sample_aspect_ratio =
2108 ost->st->sample_aspect_ratio =
2109 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2110 ist->st->codec->sample_aspect_ratio.num ?
2111 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2114 case AVMEDIA_TYPE_SUBTITLE:
2115 codec->width = icodec->width;
2116 codec->height = icodec->height;
2118 case AVMEDIA_TYPE_DATA:
2125 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2126 switch(codec->codec_type) {
2127 case AVMEDIA_TYPE_AUDIO:
2128 ost->fifo= av_fifo_alloc(1024);
2130 return AVERROR(ENOMEM);
2132 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2133 if (!codec->sample_rate) {
2134 codec->sample_rate = icodec->sample_rate;
2136 choose_sample_rate(ost->st, ost->enc);
2137 codec->time_base = (AVRational){1, codec->sample_rate};
2138 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2139 codec->sample_fmt = icodec->sample_fmt;
2140 choose_sample_fmt(ost->st, ost->enc);
2141 if (!codec->channels) {
2142 codec->channels = icodec->channels;
2143 codec->channel_layout = icodec->channel_layout;
2145 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2146 codec->channel_layout = 0;
2147 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2148 icodec->request_channels = codec->channels;
2149 ist->decoding_needed = 1;
2150 ost->encoding_needed = 1;
2151 ost->resample_sample_fmt = icodec->sample_fmt;
2152 ost->resample_sample_rate = icodec->sample_rate;
2153 ost->resample_channels = icodec->channels;
2155 case AVMEDIA_TYPE_VIDEO:
2156 if (codec->pix_fmt == PIX_FMT_NONE)
2157 codec->pix_fmt = icodec->pix_fmt;
2158 choose_pixel_fmt(ost->st, ost->enc);
2160 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2161 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2165 if (!codec->width || !codec->height) {
2166 codec->width = icodec->width;
2167 codec->height = icodec->height;
2170 ost->video_resample = codec->width != icodec->width ||
2171 codec->height != icodec->height ||
2172 codec->pix_fmt != icodec->pix_fmt;
2173 if (ost->video_resample) {
2174 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2177 ost->resample_height = icodec->height;
2178 ost->resample_width = icodec->width;
2179 ost->resample_pix_fmt= icodec->pix_fmt;
2180 ost->encoding_needed = 1;
2181 ist->decoding_needed = 1;
2183 if (!ost->frame_rate.num)
2184 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2185 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2186 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2187 ost->frame_rate = ost->enc->supported_framerates[idx];
2189 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2190 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2191 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2192 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2193 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2197 tool_registerInfo(is, recording_time);
2198 if (configure_video_filters(ist, ost)) {
2199 fprintf(stderr, "Error opening filters!\n");
2204 case AVMEDIA_TYPE_SUBTITLE:
2205 ost->encoding_needed = 1;
2206 ist->decoding_needed = 1;
2213 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2214 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2215 char logfilename[1024];
2218 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2219 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2221 if (codec->flags & CODEC_FLAG_PASS1) {
2222 f = fopen(logfilename, "wb");
2224 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2230 size_t logbuffer_size;
2231 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2232 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2235 codec->stats_in = logbuffer;
2239 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2240 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2241 int size= codec->width * codec->height;
2242 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2247 bit_buffer = av_malloc(bit_buffer_size);
2249 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2251 return AVERROR(ENOMEM);
2254 /* open each encoder */
2255 for (i = 0; i < nb_output_streams; i++) {
2256 ost = &output_streams[i];
2257 if (ost->encoding_needed) {
2258 AVCodec *codec = ost->enc;
2259 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2261 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2262 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2263 ret = AVERROR(EINVAL);
2266 if (dec->subtitle_header) {
2267 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2268 if (!ost->st->codec->subtitle_header) {
2269 ret = AVERROR(ENOMEM);
2272 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2273 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2275 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2276 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2277 ost->file_index, ost->index);
2278 ret = AVERROR(EINVAL);
2281 assert_codec_experimental(ost->st->codec, 1);
2282 assert_avoptions(ost->opts);
2283 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2284 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2285 "It takes bits/s as argument, not kbits/s\n");
2286 extra_size += ost->st->codec->extradata_size;
2288 if (ost->st->codec->me_threshold)
2289 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2293 /* init input streams */
2294 for (i = 0; i < nb_input_streams; i++)
2295 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2298 /* discard unused programs */
2299 for (i = 0; i < nb_input_files; i++) {
2300 InputFile *ifile = &input_files[i];
2301 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2302 AVProgram *p = ifile->ctx->programs[j];
2303 int discard = AVDISCARD_ALL;
2305 for (k = 0; k < p->nb_stream_indexes; k++)
2306 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2307 discard = AVDISCARD_DEFAULT;
2310 p->discard = discard;
2314 /* open files and write file headers */
2315 for (i = 0; i < nb_output_files; i++) {
2316 os = output_files[i].ctx;
2317 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2318 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2319 ret = AVERROR(EINVAL);
2322 // assert_avoptions(output_files[i].opts);
2323 if (strcmp(os->oformat->name, "rtp")) {
2329 /* dump the file output parameters - cannot be done before in case
2331 for(i=0;i<nb_output_files;i++) {
2332 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2335 /* dump the stream mapping */
2337 fprintf(stderr, "Stream mapping:\n");
2338 for (i = 0; i < nb_output_streams;i ++) {
2339 ost = &output_streams[i];
2340 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2341 input_streams[ost->source_index].file_index,
2342 input_streams[ost->source_index].st->index,
2345 if (ost->sync_ist != &input_streams[ost->source_index])
2346 fprintf(stderr, " [sync #%d.%d]",
2347 ost->sync_ist->file_index,
2348 ost->sync_ist->st->index);
2349 if (ost->st->stream_copy)
2350 fprintf(stderr, " (copy)");
2352 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2353 input_streams[ost->source_index].dec->name : "?",
2354 ost->enc ? ost->enc->name : "?");
2355 fprintf(stderr, "\n");
2360 fprintf(stderr, "%s\n", error);
2365 print_sdp(output_files, nb_output_files);
2372 * The following code is the main loop of the file converter
2374 static int transcode(OutputFile *output_files,
2375 int nb_output_files,
2376 InputFile *input_files,
2380 AVFormatContext *is, *os;
2384 int no_packet_count=0;
2385 int64_t timer_start;
2388 if (!(no_packet = av_mallocz(nb_input_files)))
2391 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2397 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2398 avio_set_interrupt_cb(decode_interrupt_cb);
2402 timer_start = av_gettime();
2404 for(; received_sigterm == 0;) {
2405 int file_index, ist_index;
2410 ipts_min= INT64_MAX;
2412 /* if 'q' pressed, exits */
2416 /* read_key() returns 0 on EOF */
2420 if (key == '+') verbose++;
2421 if (key == '-') verbose--;
2422 if (key == 's') qp_hist ^= 1;
2425 do_hex_dump = do_pkt_dump = 0;
2426 } else if(do_pkt_dump){
2430 av_log_set_level(AV_LOG_DEBUG);
2433 if (key == 'c' || key == 'C'){
2434 char ret[4096], target[64], cmd[256], arg[256]={0};
2437 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2439 while((k=read_key()) !='\n' && k!='\r' && i<sizeof(ret)-1)
2440 if(k>0) ret[i++]= k;
2442 if(k>0 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2443 for(i=0;i<nb_output_streams;i++) {
2445 ost = &output_streams[i];
2448 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2449 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2451 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2456 fprintf(stderr, "Parse error\n");
2460 if (key == 'd' || key == 'D'){
2463 debug = input_streams[0].st->codec->debug<<1;
2464 if(!debug) debug = 1;
2465 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2468 scanf("%d", &debug);
2469 for(i=0;i<nb_input_streams;i++) {
2470 input_streams[i].st->codec->debug = debug;
2472 for(i=0;i<nb_output_streams;i++) {
2473 ost = &output_streams[i];
2474 ost->st->codec->debug = debug;
2476 if(debug) av_log_set_level(AV_LOG_DEBUG);
2477 fprintf(stderr,"debug=%d\n", debug);
2480 fprintf(stderr, "key function\n"
2481 "? show this help\n"
2482 "+ increase verbosity\n"
2483 "- decrease verbosity\n"
2484 "c Send command to filtergraph\n"
2485 "D cycle through available debug modes\n"
2486 "h dump packets/hex press to cycle through the 3 states\n"
2488 "s Show QP histogram\n"
2493 /* select the stream that we must read now by looking at the
2494 smallest output pts */
2496 for (i = 0; i < nb_output_streams; i++) {
2500 ost = &output_streams[i];
2501 of = &output_files[ost->file_index];
2502 os = output_files[ost->file_index].ctx;
2503 ist = &input_streams[ost->source_index];
2504 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2505 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2507 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2509 if (!input_files[ist->file_index].eof_reached){
2510 if(ipts < ipts_min) {
2512 if(input_sync ) file_index = ist->file_index;
2514 if(opts < opts_min) {
2516 if(!input_sync) file_index = ist->file_index;
2519 if (ost->frame_number >= ost->max_frames) {
2521 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2522 output_streams[j].is_past_recording_time = 1;
2526 /* if none, if is finished */
2527 if (file_index < 0) {
2528 if(no_packet_count){
2530 memset(no_packet, 0, nb_input_files);
2537 /* read a frame from it and output it in the fifo */
2538 is = input_files[file_index].ctx;
2539 ret= av_read_frame(is, &pkt);
2540 if(ret == AVERROR(EAGAIN)){
2541 no_packet[file_index]=1;
2546 input_files[file_index].eof_reached = 1;
2554 memset(no_packet, 0, nb_input_files);
2557 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2558 is->streams[pkt.stream_index]);
2560 /* the following test is needed in case new streams appear
2561 dynamically in stream : we ignore them */
2562 if (pkt.stream_index >= input_files[file_index].nb_streams)
2563 goto discard_packet;
2564 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2565 ist = &input_streams[ist_index];
2567 goto discard_packet;
2569 if (pkt.dts != AV_NOPTS_VALUE)
2570 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2571 if (pkt.pts != AV_NOPTS_VALUE)
2572 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2574 if(pkt.pts != AV_NOPTS_VALUE)
2575 pkt.pts *= ist->ts_scale;
2576 if(pkt.dts != AV_NOPTS_VALUE)
2577 pkt.dts *= ist->ts_scale;
2579 // 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);
2580 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2581 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2582 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2583 int64_t delta= pkt_dts - ist->next_pts;
2584 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2585 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2586 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2587 pkt_dts+1<ist->pts)&& !copy_ts){
2588 input_files[ist->file_index].ts_offset -= delta;
2590 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2591 delta, input_files[ist->file_index].ts_offset);
2592 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2593 if(pkt.pts != AV_NOPTS_VALUE)
2594 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2598 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2599 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2602 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2603 ist->file_index, ist->st->index);
2606 av_free_packet(&pkt);
2611 av_free_packet(&pkt);
2613 /* dump report by using the output first video and audio streams */
2614 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2617 /* at the end of stream, we must flush the decoder buffers */
2618 for (i = 0; i < nb_input_streams; i++) {
2619 ist = &input_streams[i];
2620 if (ist->decoding_needed) {
2621 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2624 flush_encoders(output_streams, nb_output_streams);
2628 /* write the trailer if needed and close file */
2629 for(i=0;i<nb_output_files;i++) {
2630 os = output_files[i].ctx;
2631 av_write_trailer(os);
2634 /* dump report by using the first video and audio streams */
2635 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2637 /* close each encoder */
2638 for (i = 0; i < nb_output_streams; i++) {
2639 ost = &output_streams[i];
2640 if (ost->encoding_needed) {
2641 av_freep(&ost->st->codec->stats_in);
2642 avcodec_close(ost->st->codec);
2645 avfilter_graph_free(&ost->graph);
2649 /* close each decoder */
2650 for (i = 0; i < nb_input_streams; i++) {
2651 ist = &input_streams[i];
2652 if (ist->decoding_needed) {
2653 avcodec_close(ist->st->codec);
2661 av_freep(&bit_buffer);
2662 av_freep(&no_packet);
2664 if (output_streams) {
2665 for (i = 0; i < nb_output_streams; i++) {
2666 ost = &output_streams[i];
2668 if (ost->st->stream_copy)
2669 av_freep(&ost->st->codec->extradata);
2671 fclose(ost->logfile);
2672 ost->logfile = NULL;
2674 av_fifo_free(ost->fifo); /* works even if fifo is not
2675 initialized but set to zero */
2676 av_freep(&ost->st->codec->subtitle_header);
2677 av_free(ost->resample_frame.data[0]);
2678 av_free(ost->forced_kf_pts);
2679 if (ost->video_resample)
2680 sws_freeContext(ost->img_resample_ctx);
2682 audio_resample_close(ost->resample);
2683 if (ost->reformat_ctx)
2684 av_audio_convert_free(ost->reformat_ctx);
2685 av_dict_free(&ost->opts);
2692 static int opt_verbose(const char *opt, const char *arg)
2694 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2698 static int opt_frame_crop(const char *opt, const char *arg)
2700 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2701 return AVERROR(EINVAL);
2704 static int opt_pad(const char *opt, const char *arg) {
2705 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2709 static double parse_frame_aspect_ratio(const char *arg)
2716 p = strchr(arg, ':');
2718 x = strtol(arg, &end, 10);
2720 y = strtol(end+1, &end, 10);
2722 ar = (double)x / (double)y;
2724 ar = strtod(arg, NULL);
2727 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2733 static int opt_video_channel(const char *opt, const char *arg)
2735 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2736 return opt_default("channel", arg);
2739 static int opt_video_standard(const char *opt, const char *arg)
2741 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2742 return opt_default("standard", arg);
2745 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2747 audio_codec_name = arg;
2748 return parse_option(o, "codec:a", arg, options);
2751 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2753 video_codec_name = arg;
2754 return parse_option(o, "codec:v", arg, options);
2757 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2759 subtitle_codec_name = arg;
2760 return parse_option(o, "codec:s", arg, options);
2763 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2765 return parse_option(o, "codec:d", arg, options);
2768 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2770 StreamMap *m = NULL;
2771 int i, negative = 0, file_idx;
2772 int sync_file_idx = -1, sync_stream_idx;
2780 map = av_strdup(arg);
2782 /* parse sync stream first, just pick first matching stream */
2783 if (sync = strchr(map, ',')) {
2785 sync_file_idx = strtol(sync + 1, &sync, 0);
2786 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2787 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2792 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2793 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2794 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2795 sync_stream_idx = i;
2798 if (i == input_files[sync_file_idx].nb_streams) {
2799 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2800 "match any streams.\n", arg);
2806 file_idx = strtol(map, &p, 0);
2807 if (file_idx >= nb_input_files || file_idx < 0) {
2808 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2812 /* disable some already defined maps */
2813 for (i = 0; i < o->nb_stream_maps; i++) {
2814 m = &o->stream_maps[i];
2815 if (check_stream_specifier(input_files[m->file_index].ctx,
2816 input_files[m->file_index].ctx->streams[m->stream_index],
2817 *p == ':' ? p + 1 : p) > 0)
2821 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2822 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2823 *p == ':' ? p + 1 : p) <= 0)
2825 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2826 &o->nb_stream_maps, o->nb_stream_maps + 1);
2827 m = &o->stream_maps[o->nb_stream_maps - 1];
2829 m->file_index = file_idx;
2830 m->stream_index = i;
2832 if (sync_file_idx >= 0) {
2833 m->sync_file_index = sync_file_idx;
2834 m->sync_stream_index = sync_stream_idx;
2836 m->sync_file_index = file_idx;
2837 m->sync_stream_index = i;
2842 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2850 static void parse_meta_type(char *arg, char *type, int *index)
2860 if (*(++arg) == ':')
2861 *index = strtol(++arg, NULL, 0);
2864 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2871 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2873 MetadataMap *m, *m1;
2876 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2877 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2879 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2880 m->file = strtol(arg, &p, 0);
2881 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2883 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2884 if (p = strchr(opt, ':'))
2885 parse_meta_type(p + 1, &m1->type, &m1->index);
2889 if (m->type == 'g' || m1->type == 'g')
2890 o->metadata_global_manual = 1;
2891 if (m->type == 's' || m1->type == 's')
2892 o->metadata_streams_manual = 1;
2893 if (m->type == 'c' || m1->type == 'c')
2894 o->metadata_chapters_manual = 1;
2899 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
2901 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2902 "Use -map_metadata instead.\n");
2903 return opt_map_metadata(o, opt, arg);
2906 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
2909 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2910 struct tm time = *gmtime((time_t*)&recording_timestamp);
2911 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2912 parse_option(o, "metadata", buf, options);
2914 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2915 "tag instead.\n", opt);
2919 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2921 const char *codec_string = encoder ? "encoder" : "decoder";
2925 return CODEC_ID_NONE;
2927 avcodec_find_encoder_by_name(name) :
2928 avcodec_find_decoder_by_name(name);
2930 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2933 if(codec->type != type) {
2934 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2940 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2942 char *codec_name = NULL;
2944 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2948 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2949 return avcodec_find_encoder(st->codec->codec_id);
2951 } else if (!strcmp(codec_name, "copy"))
2952 st->stream_copy = 1;
2954 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2955 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2956 avcodec_find_decoder_by_name(codec_name);
2963 * Add all the streams from the given input file to the global
2964 * list of input streams.
2966 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2968 int i, rfps, rfps_base;
2970 for (i = 0; i < ic->nb_streams; i++) {
2971 AVStream *st = ic->streams[i];
2972 AVCodecContext *dec = st->codec;
2976 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2977 ist = &input_streams[nb_input_streams - 1];
2979 ist->file_index = nb_input_files;
2981 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2983 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2984 ist->ts_scale = scale;
2986 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2988 ist->dec = avcodec_find_decoder(dec->codec_id);
2990 switch (dec->codec_type) {
2991 case AVMEDIA_TYPE_AUDIO:
2993 ist->dec = avcodec_find_decoder(dec->codec_id);
2994 if(o->audio_disable)
2995 st->discard= AVDISCARD_ALL;
2997 case AVMEDIA_TYPE_VIDEO:
2999 ist->dec = avcodec_find_decoder(dec->codec_id);
3000 rfps = ic->streams[i]->r_frame_rate.num;
3001 rfps_base = ic->streams[i]->r_frame_rate.den;
3003 dec->flags |= CODEC_FLAG_EMU_EDGE;
3006 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3009 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3010 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3012 (float)rfps / rfps_base, rfps, rfps_base);
3015 if (o->video_disable)
3016 st->discard= AVDISCARD_ALL;
3017 else if(video_discard)
3018 st->discard= video_discard;
3020 case AVMEDIA_TYPE_DATA:
3022 case AVMEDIA_TYPE_SUBTITLE:
3024 ist->dec = avcodec_find_decoder(dec->codec_id);
3025 if(o->subtitle_disable)
3026 st->discard = AVDISCARD_ALL;
3028 case AVMEDIA_TYPE_ATTACHMENT:
3029 case AVMEDIA_TYPE_UNKNOWN:
3037 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3039 AVFormatContext *ic;
3040 AVInputFormat *file_iformat = NULL;
3044 AVDictionary **opts;
3045 int orig_nb_streams; // number of streams before avformat_find_stream_info
3048 if (!(file_iformat = av_find_input_format(o->format))) {
3049 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
3054 if (!strcmp(filename, "-"))
3057 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3058 !strcmp(filename, "/dev/stdin");
3060 /* get default parameters from command line */
3061 ic = avformat_alloc_context();
3063 print_error(filename, AVERROR(ENOMEM));
3066 if (o->nb_audio_sample_rate) {
3067 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3068 av_dict_set(&format_opts, "sample_rate", buf, 0);
3070 if (o->nb_audio_channels) {
3071 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3072 av_dict_set(&format_opts, "channels", buf, 0);
3074 if (o->nb_frame_rates) {
3075 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3077 if (o->nb_frame_sizes) {
3078 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3080 if (o->nb_frame_pix_fmts)
3081 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3083 ic->flags |= AVFMT_FLAG_NONBLOCK;
3086 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3087 ic->loop_input = loop_input;
3090 /* open the input file with generic libav function */
3091 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3093 print_error(filename, err);
3096 assert_avoptions(format_opts);
3098 /* apply forced codec ids */
3099 for (i = 0; i < ic->nb_streams; i++)
3100 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
3102 /* Set AVCodecContext options for avformat_find_stream_info */
3103 opts = setup_find_stream_info_opts(ic, codec_opts);
3104 orig_nb_streams = ic->nb_streams;
3106 /* If not enough info to get the stream parameters, we decode the
3107 first frames to get it. (used in mpeg case for example) */
3108 ret = avformat_find_stream_info(ic, opts);
3109 if (ret < 0 && verbose >= 0) {
3110 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3111 av_close_input_file(ic);
3115 timestamp = o->start_time;
3116 /* add the stream start time */
3117 if (ic->start_time != AV_NOPTS_VALUE)
3118 timestamp += ic->start_time;
3120 /* if seeking requested, we execute it */
3121 if (o->start_time != 0) {
3122 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3124 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3125 filename, (double)timestamp / AV_TIME_BASE);
3129 /* update the current parameters so that they match the one of the input stream */
3130 add_input_streams(o, ic);
3132 /* dump the file content */
3134 av_dump_format(ic, nb_input_files, filename, 0);
3136 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3137 input_files[nb_input_files - 1].ctx = ic;
3138 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3139 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3140 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3141 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3143 for (i = 0; i < orig_nb_streams; i++)
3144 av_dict_free(&opts[i]);
3147 reset_options(o, 1);
3151 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3152 AVCodecContext *avctx)
3158 for (p = kf; *p; p++)
3161 ost->forced_kf_count = n;
3162 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3163 if (!ost->forced_kf_pts) {
3164 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3167 for (i = 0; i < n; i++) {
3168 p = i ? strchr(p, ',') + 1 : kf;
3169 t = parse_time_or_die("force_key_frames", p, 1);
3170 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3174 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3177 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
3178 int idx = oc->nb_streams - 1;
3179 int64_t max_frames = INT64_MAX;
3180 char *bsf = NULL, *next, *codec_tag = NULL;
3181 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3185 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3189 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3190 nb_output_streams + 1);
3191 ost = &output_streams[nb_output_streams - 1];
3192 ost->file_index = nb_output_files;
3195 st->codec->codec_type = type;
3196 ost->enc = choose_codec(o, oc, st, type);
3198 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3201 avcodec_get_context_defaults3(st->codec, ost->enc);
3202 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3204 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3205 ost->max_frames = max_frames;
3207 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3209 if (next = strchr(bsf, ','))
3211 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3212 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3216 bsfc_prev->next = bsfc;
3218 ost->bitstream_filters = bsfc;
3224 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3226 uint32_t tag = strtol(codec_tag, &next, 0);
3228 tag = AV_RL32(codec_tag);
3229 st->codec->codec_tag = tag;
3232 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3233 if (qscale >= 0 || same_quant) {
3234 st->codec->flags |= CODEC_FLAG_QSCALE;
3235 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3238 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3242 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3245 const char *p = str;
3252 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3259 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3263 AVCodecContext *video_enc;
3265 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3267 video_enc = st->codec;
3269 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3270 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3273 if (!st->stream_copy) {
3274 const char *p = NULL;
3275 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3276 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3277 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3278 int i, force_fps = 0, top_field_first = -1;
3280 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3281 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3282 av_log(NULL, AV_LOG_ERROR, "Invalid framerate value: %s\n", frame_rate);
3286 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3287 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3288 av_log(NULL, AV_LOG_ERROR, "Invalid frame size: %s.\n", frame_size);
3292 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3293 if (frame_aspect_ratio)
3294 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3296 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3297 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3298 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3299 av_log(NULL, AV_LOG_ERROR, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3302 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3305 video_enc->gop_size = 0;
3306 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3308 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3309 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for intra matrix.\n");
3312 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3314 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3316 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3317 av_log(NULL, AV_LOG_ERROR, "Could not allocate memory for inter matrix.\n");
3320 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3323 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3326 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3328 fprintf(stderr, "error parsing rc_override\n");
3331 video_enc->rc_override=
3332 av_realloc(video_enc->rc_override,
3333 sizeof(RcOverride)*(i+1));
3334 video_enc->rc_override[i].start_frame= start;
3335 video_enc->rc_override[i].end_frame = end;
3337 video_enc->rc_override[i].qscale= q;
3338 video_enc->rc_override[i].quality_factor= 1.0;
3341 video_enc->rc_override[i].qscale= 0;
3342 video_enc->rc_override[i].quality_factor= -q/100.0;
3347 video_enc->rc_override_count=i;
3348 if (!video_enc->rc_initial_buffer_occupancy)
3349 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3350 video_enc->intra_dc_precision= intra_dc_precision - 8;
3355 video_enc->flags |= CODEC_FLAG_PASS1;
3357 video_enc->flags |= CODEC_FLAG_PASS2;
3361 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3362 if (forced_key_frames)
3363 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3365 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3366 ost->force_fps = force_fps;
3368 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3369 ost->top_field_first = top_field_first;
3372 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3374 ost->avfilter = av_strdup(filters);
3381 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3385 AVCodecContext *audio_enc;
3387 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3390 audio_enc = st->codec;
3391 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3393 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3394 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3396 if (!st->stream_copy) {
3397 char *sample_fmt = NULL;
3399 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3401 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3403 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3404 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", sample_fmt);
3408 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3414 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3418 AVCodecContext *data_enc;
3420 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3422 data_enc = st->codec;
3423 if (!st->stream_copy) {
3424 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3428 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3429 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3435 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3439 AVCodecContext *subtitle_enc;
3441 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3443 subtitle_enc = st->codec;
3445 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3447 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3448 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3454 /* arg format is "output-stream-index:streamid-value". */
3455 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3461 av_strlcpy(idx_str, arg, sizeof(idx_str));
3462 p = strchr(idx_str, ':');
3465 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3470 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3471 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3472 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3476 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3478 AVFormatContext *is = ifile->ctx;
3479 AVFormatContext *os = ofile->ctx;
3482 for (i = 0; i < is->nb_chapters; i++) {
3483 AVChapter *in_ch = is->chapters[i], *out_ch;
3484 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3485 AV_TIME_BASE_Q, in_ch->time_base);
3486 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3487 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3490 if (in_ch->end < ts_off)
3492 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3495 out_ch = av_mallocz(sizeof(AVChapter));
3497 return AVERROR(ENOMEM);
3499 out_ch->id = in_ch->id;
3500 out_ch->time_base = in_ch->time_base;
3501 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3502 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3505 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3508 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3510 return AVERROR(ENOMEM);
3511 os->chapters[os->nb_chapters - 1] = out_ch;
3516 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3519 AVFormatContext *ic = NULL;
3521 err = avformat_open_input(&ic, filename, NULL, NULL);
3524 /* copy stream format */
3525 for(i=0;i<ic->nb_streams;i++) {
3530 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3531 ost = new_output_stream(o, s, codec->type);
3534 // FIXME: a more elegant solution is needed
3535 memcpy(st, ic->streams[i], sizeof(AVStream));
3536 st->info = av_malloc(sizeof(*st->info));
3537 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3538 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3540 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3541 choose_sample_fmt(st, codec);
3542 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3543 choose_pixel_fmt(st, codec);
3546 av_close_input_file(ic);
3550 static void opt_output_file(void *optctx, const char *filename)
3552 OptionsContext *o = optctx;
3553 AVFormatContext *oc;
3555 AVOutputFormat *file_oformat;
3559 if (!strcmp(filename, "-"))
3562 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3564 print_error(filename, err);
3567 file_oformat= oc->oformat;
3569 if (!strcmp(file_oformat->name, "ffm") &&
3570 av_strstart(filename, "http:", NULL)) {
3571 /* special case for files sent to ffserver: we get the stream
3572 parameters from ffserver */
3573 int err = read_ffserver_streams(o, oc, filename);
3575 print_error(filename, err);
3578 } else if (!o->nb_stream_maps) {
3579 /* pick the "best" stream of each type */
3580 #define NEW_STREAM(type, index)\
3582 ost = new_ ## type ## _stream(o, oc);\
3583 ost->source_index = index;\
3584 ost->sync_ist = &input_streams[index];\
3585 input_streams[index].discard = 0;\
3588 /* video: highest resolution */
3589 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3590 int area = 0, idx = -1;
3591 for (i = 0; i < nb_input_streams; i++) {
3592 ist = &input_streams[i];
3593 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3594 ist->st->codec->width * ist->st->codec->height > area) {
3595 area = ist->st->codec->width * ist->st->codec->height;
3599 NEW_STREAM(video, idx);
3602 /* audio: most channels */
3603 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3604 int channels = 0, idx = -1;
3605 for (i = 0; i < nb_input_streams; i++) {
3606 ist = &input_streams[i];
3607 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3608 ist->st->codec->channels > channels) {
3609 channels = ist->st->codec->channels;
3613 NEW_STREAM(audio, idx);
3616 /* subtitles: pick first */
3617 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
3618 for (i = 0; i < nb_input_streams; i++)
3619 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3620 NEW_STREAM(subtitle, i);
3624 /* do something with data? */
3626 for (i = 0; i < o->nb_stream_maps; i++) {
3627 StreamMap *map = &o->stream_maps[i];
3632 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3633 switch (ist->st->codec->codec_type) {
3634 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3635 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3636 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3637 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3639 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3640 map->file_index, map->stream_index);
3644 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3645 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3646 map->sync_stream_index];
3651 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3652 output_files[nb_output_files - 1].ctx = oc;
3653 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3654 output_files[nb_output_files - 1].recording_time = o->recording_time;
3655 output_files[nb_output_files - 1].start_time = o->start_time;
3656 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3657 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3659 /* check filename in case of an image number is expected */
3660 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3661 if (!av_filename_number_test(oc->filename)) {
3662 print_error(oc->filename, AVERROR(EINVAL));
3667 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3668 /* test if it already exists to avoid loosing precious files */
3669 if (!file_overwrite &&
3670 (strchr(filename, ':') == NULL ||
3671 filename[1] == ':' ||
3672 av_strstart(filename, "file:", NULL))) {
3673 if (avio_check(filename, 0) == 0) {
3675 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3677 if (!read_yesno()) {
3678 fprintf(stderr, "Not overwriting - exiting\n");
3683 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3690 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3691 print_error(filename, err);
3696 oc->preload = (int)(o->mux_preload * AV_TIME_BASE);
3697 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3699 if (loop_output >= 0) {
3700 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3701 oc->loop_output = loop_output;
3705 if (o->chapters_input_file >= nb_input_files) {
3706 if (o->chapters_input_file == INT_MAX) {
3707 /* copy chapters from the first input file that has them*/
3708 o->chapters_input_file = -1;
3709 for (i = 0; i < nb_input_files; i++)
3710 if (input_files[i].ctx->nb_chapters) {
3711 o->chapters_input_file = i;
3715 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3716 o->chapters_input_file);
3720 if (o->chapters_input_file >= 0)
3721 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3722 !o->metadata_chapters_manual);
3725 for (i = 0; i < o->nb_meta_data_maps; i++) {
3726 AVFormatContext *files[2];
3727 AVDictionary **meta[2];
3730 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3731 if ((index) < 0 || (index) >= (nb_elems)) {\
3732 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3737 int in_file_index = o->meta_data_maps[i][1].file;
3738 if (in_file_index < 0)
3740 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3743 files[1] = input_files[in_file_index].ctx;
3745 for (j = 0; j < 2; j++) {
3746 MetadataMap *map = &o->meta_data_maps[i][j];
3748 switch (map->type) {
3750 meta[j] = &files[j]->metadata;
3753 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3754 meta[j] = &files[j]->streams[map->index]->metadata;
3757 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3758 meta[j] = &files[j]->chapters[map->index]->metadata;
3761 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3762 meta[j] = &files[j]->programs[map->index]->metadata;
3767 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3770 /* copy global metadata by default */
3771 if (!o->metadata_global_manual && nb_input_files){
3772 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3773 AV_DICT_DONT_OVERWRITE);
3774 if(o->recording_time != INT64_MAX)
3775 av_dict_set(&oc->metadata, "duration", NULL, 0);
3777 if (!o->metadata_streams_manual)
3778 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3779 InputStream *ist = &input_streams[output_streams[i].source_index];
3780 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3783 /* process manually set metadata */
3784 for (i = 0; i < o->nb_metadata; i++) {
3789 val = strchr(o->metadata[i].u.str, '=');
3791 av_log(NULL, AV_LOG_ERROR, "No '=' character in metadata string %s.\n",
3792 o->metadata[i].u.str);
3797 parse_meta_type(o->metadata[i].specifier, &type, &index);
3803 if (index < 0 || index >= oc->nb_streams) {
3804 av_log(NULL, AV_LOG_ERROR, "Invalid stream index %d in metadata specifier.\n", index);
3807 m = &oc->streams[index]->metadata;
3810 if (index < 0 || index >= oc->nb_chapters) {
3811 av_log(NULL, AV_LOG_ERROR, "Invalid chapter index %d in metadata specifier.\n", index);
3814 m = &oc->chapters[index]->metadata;
3817 av_log(NULL, AV_LOG_ERROR, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3821 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3824 reset_options(o, 0);
3827 /* same option as mencoder */
3828 static int opt_pass(const char *opt, const char *arg)
3830 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3834 static int64_t getutime(void)
3837 struct rusage rusage;
3839 getrusage(RUSAGE_SELF, &rusage);
3840 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3841 #elif HAVE_GETPROCESSTIMES
3843 FILETIME c, e, k, u;
3844 proc = GetCurrentProcess();
3845 GetProcessTimes(proc, &c, &e, &k, &u);
3846 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3848 return av_gettime();
3852 static int64_t getmaxrss(void)
3854 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3855 struct rusage rusage;
3856 getrusage(RUSAGE_SELF, &rusage);
3857 return (int64_t)rusage.ru_maxrss * 1024;
3858 #elif HAVE_GETPROCESSMEMORYINFO
3860 PROCESS_MEMORY_COUNTERS memcounters;
3861 proc = GetCurrentProcess();
3862 memcounters.cb = sizeof(memcounters);
3863 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3864 return memcounters.PeakPagefileUsage;
3870 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
3872 return parse_option(o, "q:a", arg, options);
3875 static void show_usage(void)
3877 printf("Hyper fast Audio and Video encoder\n");
3878 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3882 static int opt_help(const char *opt, const char *arg)
3885 AVOutputFormat *oformat = NULL;
3886 AVInputFormat *iformat = NULL;
3887 const AVClass *class;
3889 av_log_set_callback(log_callback_help);
3891 show_help_options(options, "Main options:\n",
3892 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3893 show_help_options(options, "\nAdvanced options:\n",
3894 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3896 show_help_options(options, "\nVideo options:\n",
3897 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3899 show_help_options(options, "\nAdvanced Video options:\n",
3900 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3901 OPT_VIDEO | OPT_EXPERT);
3902 show_help_options(options, "\nAudio options:\n",
3903 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3905 show_help_options(options, "\nAdvanced Audio options:\n",
3906 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3907 OPT_AUDIO | OPT_EXPERT);
3908 show_help_options(options, "\nSubtitle options:\n",
3909 OPT_SUBTITLE | OPT_GRAB,
3911 show_help_options(options, "\nAudio/Video grab options:\n",
3915 class = avcodec_get_class();
3916 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3919 /* individual codec options */
3921 while ((c = av_codec_next(c))) {
3922 if (c->priv_class) {
3923 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3928 class = avformat_get_class();
3929 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3932 /* individual muxer options */
3933 while ((oformat = av_oformat_next(oformat))) {
3934 if (oformat->priv_class) {
3935 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3940 /* individual demuxer options */
3941 while ((iformat = av_iformat_next(iformat))) {
3942 if (iformat->priv_class) {
3943 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3948 class = sws_get_class();
3949 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
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(verbose > 0 && norm != UNKNOWN)
3990 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3993 if(norm == UNKNOWN) {
3994 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3995 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3996 fprintf(stderr, "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 fprintf(stderr, "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 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 fprintf(stderr, "File for preset '%s' not found\n", arg);
4138 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4139 if(line[0] == '#' && !e)
4141 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4143 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4146 if(!strcmp(tmp, "acodec")){
4147 opt_audio_codec(o, tmp, tmp2);
4148 }else if(!strcmp(tmp, "vcodec")){
4149 opt_video_codec(o, tmp, tmp2);
4150 }else if(!strcmp(tmp, "scodec")){
4151 opt_subtitle_codec(o, tmp, tmp2);
4152 }else if(!strcmp(tmp, "dcodec")){
4153 opt_data_codec(o, tmp, tmp2);
4154 }else if(opt_default(tmp, tmp2) < 0){
4155 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4165 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4169 static int opt_passlogfile(const char *opt, const char *arg)
4171 pass_logfilename_prefix = arg;
4172 #if CONFIG_LIBX264_ENCODER
4173 return opt_default("passlogfile", arg);
4179 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg){
4180 char *s= av_malloc(strlen(opt)+2);
4181 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4182 return parse_option(o, s, arg, options);
4185 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4187 return parse_option(o, "filter:v", arg, options);
4190 #define OFFSET(x) offsetof(OptionsContext, x)
4191 static const OptionDef options[] = {
4193 #include "cmdutils_common_opts.h"
4194 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4195 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4196 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4197 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4198 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4199 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4200 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4201 "outfile[,metadata]:infile[,metadata]" },
4202 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4203 "outfile[,metadata]:infile[,metadata]" },
4204 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4205 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4206 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4207 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4208 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4209 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4210 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4211 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4212 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4213 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4214 "add timings for benchmarking" },
4215 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4216 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4217 "dump each input packet" },
4218 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4219 "when dumping packets, also dump the payload" },
4220 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4221 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4222 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4223 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4224 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4225 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4226 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4227 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4228 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4229 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4230 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4231 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4232 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4233 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4234 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4235 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4236 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4237 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4239 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4243 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4244 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4245 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4246 { "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" },
4247 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4248 { "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" },
4249 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4250 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4251 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4252 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4253 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4254 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4255 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4256 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4257 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4258 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4259 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4260 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4261 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4262 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4263 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4264 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4265 "use same quantizer as source (implies VBR)" },
4266 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4267 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4268 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4269 "deinterlace pictures" },
4270 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4271 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4273 // さきゅばすインタフェース互換性維持のため処置 引数を新しいvfでなく古いvfiltersのままとする
4274 { "vfilters", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4276 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4277 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4278 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4279 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4280 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4281 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4282 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4283 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4284 { "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" },
4287 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4288 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4289 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4290 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4291 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4292 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4293 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4294 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4295 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4297 /* subtitle options */
4298 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4299 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4300 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4303 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4304 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4305 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4308 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4309 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4311 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4312 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4313 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4315 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4316 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4317 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4318 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4319 /* data codec support */
4320 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4322 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4326 int main(int argc, char **argv)
4328 OptionsContext o = { 0 };
4331 reset_options(&o, 0);
4333 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4335 if(argc>1 && !strcmp(argv[1], "-d")){
4338 av_log_set_callback(log_callback_null);
4343 avcodec_register_all();
4345 avdevice_register_all();
4348 avfilter_register_all();
4353 if(isatty(STDIN_FILENO))
4354 avio_set_interrupt_cb(decode_interrupt_cb);
4361 parse_options(&o, argc, argv, options, opt_output_file);
4363 if(nb_output_files <= 0 && nb_input_files == 0) {
4365 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4369 /* file converter / grab */
4370 if (nb_output_files <= 0) {
4371 fprintf(stderr, "At least one output file must be specified\n");
4375 if (nb_input_files == 0) {
4376 fprintf(stderr, "At least one input file must be specified\n");
4381 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4383 ti = getutime() - ti;
4385 int maxrss = getmaxrss() / 1024;
4386 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);