3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48 #include "libswresample/swresample.h"
50 #include "libavformat/ffm.h" // not public API
53 # include "libavfilter/avcodec.h"
54 # include "libavfilter/avfilter.h"
55 # include "libavfilter/avfiltergraph.h"
56 # include "libavfilter/buffersink.h"
57 # include "libavfilter/vsrc_buffer.h"
60 #if HAVE_SYS_RESOURCE_H
61 #include <sys/types.h>
63 #include <sys/resource.h>
64 #elif HAVE_GETPROCESSTIMES
67 #if HAVE_GETPROCESSMEMORYINFO
73 #include <sys/select.h>
78 #include <sys/ioctl.h>
88 #include "libavutil/avassert.h"
90 const char program_name[] = "ffmpeg";
91 const int program_birth_year = 2000;
93 /* select an input stream for an output stream */
94 typedef struct StreamMap {
95 int disabled; /** 1 is this mapping is disabled by a negative map */
99 int sync_stream_index;
103 int file_idx, stream_idx, channel_idx; // input
104 int ofile_idx, ostream_idx; // output
108 * select an input file for an output file
110 typedef struct MetadataMap {
111 int file; ///< file index
112 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
113 int index; ///< stream/chapter/program number
116 static const OptionDef options[];
118 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
120 static int frame_bits_per_raw_sample = 0;
121 static int video_discard = 0;
122 static int same_quant = 0;
123 static int do_deinterlace = 0;
124 static int intra_dc_precision = 8;
125 static int loop_input = 0;
126 static int loop_output = AVFMT_NOOUTPUTLOOP;
127 static int qp_hist = 0;
128 static int intra_only = 0;
129 static const char *video_codec_name = NULL;
130 static const char *audio_codec_name = NULL;
131 static const char *subtitle_codec_name = NULL;
133 static int file_overwrite = 0;
134 static int do_benchmark = 0;
135 static int do_hex_dump = 0;
136 static int do_pkt_dump = 0;
137 static int do_psnr = 0;
138 static int do_pass = 0;
139 static const char *pass_logfilename_prefix;
140 static int video_sync_method= -1;
141 static int audio_sync_method= 0;
142 static float audio_drift_threshold= 0.1;
143 static int copy_ts= 0;
144 static int copy_tb= 0;
145 static int opt_shortest = 0;
146 static char *vstats_filename;
147 static FILE *vstats_file;
149 static int audio_volume = 256;
151 static int exit_on_error = 0;
152 static int using_stdin = 0;
153 static int run_as_daemon = 0;
154 static volatile int received_nb_signals = 0;
155 static int64_t video_size = 0;
156 static int64_t audio_size = 0;
157 static int64_t extra_size = 0;
158 static int nb_frames_dup = 0;
159 static int nb_frames_drop = 0;
160 static int input_sync;
162 static float dts_delta_threshold = 10;
164 static int print_stats = 1;
166 static uint8_t *audio_buf;
167 static uint8_t *audio_out;
168 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
170 static void *samples;
171 static uint8_t *input_tmp= NULL;
173 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
175 typedef struct InputStream {
178 int discard; /* true if stream data should be discarded */
179 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
182 int64_t start; /* time when read started */
183 int64_t next_pts; /* synthetic pts for cases where pkt.pts
185 int64_t pts; /* current pts */
187 int is_start; /* is 1 at the start and after a discontinuity */
188 int showed_multi_packet_warning;
192 typedef struct InputFile {
193 AVFormatContext *ctx;
194 int eof_reached; /* true if eof reached */
195 int ist_index; /* index of first stream in input_streams */
196 int buffer_size; /* current total buffer size */
198 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
199 from ctx.nb_streams if new streams appear during av_read_frame() */
203 typedef struct OutputStream {
204 int file_index; /* file index */
205 int index; /* stream index in the output file */
206 int source_index; /* InputStream index */
207 AVStream *st; /* stream in the output file */
208 int encoding_needed; /* true if encoding needed for this stream */
210 /* input pts and corresponding output pts
212 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
213 struct InputStream *sync_ist; /* input stream to sync against */
214 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
215 AVBitStreamFilterContext *bitstream_filters;
221 AVFrame resample_frame; /* temporary frame for image resampling */
222 struct SwsContext *img_resample_ctx; /* for image resampling */
225 int resample_pix_fmt;
226 AVRational frame_rate;
230 float frame_aspect_ratio;
232 /* forced key frames */
233 int64_t *forced_kf_pts;
239 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
240 int audio_channels_mapped; ///< number of channels in audio_channels_map
241 int resample_sample_fmt;
242 int resample_channels;
243 int resample_sample_rate;
244 float rematrix_volume;
245 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
248 struct SwrContext *swr;
251 AVFilterContext *output_video_filter;
252 AVFilterContext *input_video_filter;
253 AVFilterBufferRef *picref;
255 AVFilterGraph *graph;
260 int is_past_recording_time;
262 const char *attachment_filename;
263 int copy_initial_nonkeyframes;
269 /* init terminal so that we can grab keys */
270 static struct termios oldtty;
273 typedef struct OutputFile {
274 AVFormatContext *ctx;
276 int ost_index; /* index of the first stream in output_streams */
277 int64_t recording_time; /* desired length of the resulting file in microseconds */
278 int64_t start_time; /* start time in microseconds */
279 uint64_t limit_filesize;
282 static InputStream *input_streams = NULL;
283 static int nb_input_streams = 0;
284 static InputFile *input_files = NULL;
285 static int nb_input_files = 0;
287 static OutputStream *output_streams = NULL;
288 static int nb_output_streams = 0;
289 static OutputFile *output_files = NULL;
290 static int nb_output_files = 0;
292 typedef struct OptionsContext {
293 /* input/output options */
297 SpecifierOpt *codec_names;
299 SpecifierOpt *audio_channels;
300 int nb_audio_channels;
301 SpecifierOpt *audio_sample_rate;
302 int nb_audio_sample_rate;
303 SpecifierOpt *rematrix_volume;
304 int nb_rematrix_volume;
305 SpecifierOpt *frame_rates;
307 SpecifierOpt *frame_sizes;
309 SpecifierOpt *frame_pix_fmts;
310 int nb_frame_pix_fmts;
313 int64_t input_ts_offset;
316 SpecifierOpt *ts_scale;
318 SpecifierOpt *dump_attachment;
319 int nb_dump_attachment;
322 StreamMap *stream_maps;
324 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
325 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
326 /* first item specifies output metadata, second is input */
327 MetadataMap (*meta_data_maps)[2];
328 int nb_meta_data_maps;
329 int metadata_global_manual;
330 int metadata_streams_manual;
331 int metadata_chapters_manual;
332 const char **attachments;
335 int chapters_input_file;
337 int64_t recording_time;
338 uint64_t limit_filesize;
344 int subtitle_disable;
347 /* indexed by output file stream index */
351 SpecifierOpt *metadata;
353 SpecifierOpt *max_frames;
355 SpecifierOpt *bitstream_filters;
356 int nb_bitstream_filters;
357 SpecifierOpt *codec_tags;
359 SpecifierOpt *sample_fmts;
361 SpecifierOpt *qscale;
363 SpecifierOpt *forced_key_frames;
364 int nb_forced_key_frames;
365 SpecifierOpt *force_fps;
367 SpecifierOpt *frame_aspect_ratios;
368 int nb_frame_aspect_ratios;
369 SpecifierOpt *rc_overrides;
371 SpecifierOpt *intra_matrices;
372 int nb_intra_matrices;
373 SpecifierOpt *inter_matrices;
374 int nb_inter_matrices;
375 SpecifierOpt *top_field_first;
376 int nb_top_field_first;
377 SpecifierOpt *presets;
379 SpecifierOpt *copy_initial_nonkeyframes;
380 int nb_copy_initial_nonkeyframes;
382 SpecifierOpt *filters;
387 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
390 for (i = 0; i < o->nb_ ## name; i++) {\
391 char *spec = o->name[i].specifier;\
392 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
393 outvar = o->name[i].u.type;\
399 static void reset_options(OptionsContext *o, int is_input)
401 const OptionDef *po = options;
402 OptionsContext bak= *o;
404 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
406 void *dst = (uint8_t*)o + po->u.off;
408 if (po->flags & OPT_SPEC) {
409 SpecifierOpt **so = dst;
410 int i, *count = (int*)(so + 1);
411 for (i = 0; i < *count; i++) {
412 av_freep(&(*so)[i].specifier);
413 if (po->flags & OPT_STRING)
414 av_freep(&(*so)[i].u.str);
418 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
423 av_freep(&o->stream_maps);
424 av_freep(&o->audio_channel_maps);
425 av_freep(&o->meta_data_maps);
426 av_freep(&o->streamid_map);
428 memset(o, 0, sizeof(*o));
430 if(is_input) o->recording_time = bak.recording_time;
431 else o->recording_time = INT64_MAX;
432 o->mux_max_delay = 0.7;
433 o->limit_filesize = UINT64_MAX;
434 o->chapters_input_file = INT_MAX;
442 static int configure_video_filters(InputStream *ist, OutputStream *ost)
444 AVFilterContext *last_filter, *filter;
445 /** filter graph containing all filters including input & output */
446 AVCodecContext *codec = ost->st->codec;
447 AVCodecContext *icodec = ist->st->codec;
448 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
449 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
450 AVRational sample_aspect_ratio;
454 ost->graph = avfilter_graph_alloc();
456 if (ist->st->sample_aspect_ratio.num){
457 sample_aspect_ratio = ist->st->sample_aspect_ratio;
459 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
461 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
462 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
463 sample_aspect_ratio.num, sample_aspect_ratio.den);
465 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
466 "src", args, NULL, ost->graph);
469 #if FF_API_OLD_VSINK_API
470 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
471 "out", NULL, pix_fmts, ost->graph);
473 buffersink_params->pixel_fmts = pix_fmts;
474 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
475 "out", NULL, buffersink_params, ost->graph);
477 av_freep(&buffersink_params);
480 last_filter = ost->input_video_filter;
482 if (codec->width != icodec->width || codec->height != icodec->height) {
483 snprintf(args, 255, "%d:%d:flags=0x%X",
486 (unsigned)ost->sws_flags);
487 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
488 NULL, args, NULL, ost->graph)) < 0)
490 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
492 last_filter = filter;
495 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
496 ost->graph->scale_sws_opts = av_strdup(args);
499 AVFilterInOut *outputs = avfilter_inout_alloc();
500 AVFilterInOut *inputs = avfilter_inout_alloc();
502 outputs->name = av_strdup("in");
503 outputs->filter_ctx = last_filter;
504 outputs->pad_idx = 0;
505 outputs->next = NULL;
507 inputs->name = av_strdup("out");
508 inputs->filter_ctx = ost->output_video_filter;
512 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
514 av_freep(&ost->avfilter);
516 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
520 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
523 codec->width = ost->output_video_filter->inputs[0]->w;
524 codec->height = ost->output_video_filter->inputs[0]->h;
525 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
526 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
527 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
528 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
532 #endif /* CONFIG_AVFILTER */
534 static void term_exit(void)
536 av_log(NULL, AV_LOG_QUIET, "%s", "");
539 tcsetattr (0, TCSANOW, &oldtty);
543 static volatile int received_sigterm = 0;
545 static void sigterm_handler(int sig)
547 received_sigterm = sig;
548 received_nb_signals++;
552 static void term_init(void)
562 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
563 |INLCR|IGNCR|ICRNL|IXON);
564 tty.c_oflag |= OPOST;
565 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
566 tty.c_cflag &= ~(CSIZE|PARENB);
571 tcsetattr (0, TCSANOW, &tty);
572 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
575 avformat_network_deinit();
577 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
578 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
580 signal(SIGXCPU, sigterm_handler);
584 /* read a key without blocking */
585 static int read_key(void)
597 n = select(1, &rfds, NULL, NULL, &tv);
606 # if HAVE_PEEKNAMEDPIPE
608 static HANDLE input_handle;
611 input_handle = GetStdHandle(STD_INPUT_HANDLE);
612 is_pipe = !GetConsoleMode(input_handle, &dw);
615 if (stdin->_cnt > 0) {
620 /* When running under a GUI, you will end here. */
621 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
638 static int decode_interrupt_cb(void)
640 return received_nb_signals > 1;
643 void av_noreturn exit_program(int ret)
648 for(i=0;i<nb_output_files;i++) {
649 AVFormatContext *s = output_files[i].ctx;
650 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
652 avformat_free_context(s);
653 av_dict_free(&output_files[i].opts);
655 for(i=0;i<nb_input_files;i++) {
656 av_close_input_file(input_files[i].ctx);
658 for (i = 0; i < nb_input_streams; i++)
659 av_dict_free(&input_streams[i].opts);
663 av_free(vstats_filename);
665 av_freep(&input_streams);
666 av_freep(&input_files);
667 av_freep(&output_streams);
668 av_freep(&output_files);
673 allocated_audio_buf_size= allocated_audio_out_size= 0;
679 avformat_network_deinit();
681 av_freep(&input_tmp);
683 if (received_sigterm) {
684 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
685 (int) received_sigterm);
689 exit(ret); /* not all OS-es handle main() return value */
692 static void assert_avoptions(AVDictionary *m)
694 AVDictionaryEntry *t;
695 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
696 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
701 static void assert_codec_experimental(AVCodecContext *c, int encoder)
703 const char *codec_string = encoder ? "encoder" : "decoder";
705 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
706 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
707 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
708 "results.\nAdd '-strict experimental' if you want to use it.\n",
709 codec_string, c->codec->name);
710 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
711 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
712 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
713 codec_string, codec->name);
718 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
720 if(codec && codec->sample_fmts){
721 const enum AVSampleFormat *p= codec->sample_fmts;
723 if(*p == st->codec->sample_fmt)
727 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
728 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
729 if(av_get_sample_fmt_name(st->codec->sample_fmt))
730 av_log(NULL, AV_LOG_WARNING,
731 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
732 av_get_sample_fmt_name(st->codec->sample_fmt),
734 av_get_sample_fmt_name(codec->sample_fmts[0]));
735 st->codec->sample_fmt = codec->sample_fmts[0];
740 static void choose_sample_rate(AVStream *st, AVCodec *codec)
742 if(codec && codec->supported_samplerates){
743 const int *p= codec->supported_samplerates;
745 int best_dist=INT_MAX;
747 int dist= abs(st->codec->sample_rate - *p);
748 if(dist < best_dist){
754 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
756 st->codec->sample_rate= best;
760 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
762 if(codec && codec->pix_fmts){
763 const enum PixelFormat *p= codec->pix_fmts;
764 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
765 if(st->codec->codec_id==CODEC_ID_MJPEG){
766 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
767 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
768 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};
772 if(*p == st->codec->pix_fmt)
776 if(st->codec->pix_fmt != PIX_FMT_NONE)
777 av_log(NULL, AV_LOG_WARNING,
778 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
779 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
781 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
782 st->codec->pix_fmt = codec->pix_fmts[0];
787 static double get_sync_ipts(const OutputStream *ost)
789 const InputStream *ist = ost->sync_ist;
790 OutputFile *of = &output_files[ost->file_index];
791 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
794 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
799 AVPacket new_pkt= *pkt;
800 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
801 &new_pkt.data, &new_pkt.size,
802 pkt->data, pkt->size,
803 pkt->flags & AV_PKT_FLAG_KEY);
806 new_pkt.destruct= av_destruct_packet;
808 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
809 bsfc->filter->name, pkt->stream_index,
810 avctx->codec ? avctx->codec->name : "copy");
820 ret= av_interleaved_write_frame(s, pkt);
822 print_error("av_interleaved_write_frame()", ret);
827 static void do_audio_out(AVFormatContext *s,
830 unsigned char *buf, int size)
833 int64_t audio_out_size, audio_buf_size;
834 int64_t allocated_for_size= size;
836 int size_out, frame_bytes, ret, resample_changed;
837 AVCodecContext *enc= ost->st->codec;
838 AVCodecContext *dec= ist->st->codec;
839 int osize = av_get_bytes_per_sample(enc->sample_fmt);
840 int isize = av_get_bytes_per_sample(dec->sample_fmt);
841 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
844 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
845 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
846 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
847 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
848 audio_buf_size*= osize*enc->channels;
850 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
851 if(coded_bps > 8*osize)
852 audio_out_size= audio_out_size * coded_bps / (8*osize);
853 audio_out_size += FF_MIN_BUFFER_SIZE;
855 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
856 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
860 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
861 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
862 if (!audio_buf || !audio_out){
863 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
867 if (enc->channels != dec->channels
868 || enc->sample_fmt != dec->sample_fmt)
869 ost->audio_resample = 1;
871 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
872 ost->resample_channels != dec->channels ||
873 ost->resample_sample_rate != dec->sample_rate;
875 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
876 if (resample_changed) {
877 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",
878 ist->file_index, ist->st->index,
879 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
880 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
881 ost->resample_sample_fmt = dec->sample_fmt;
882 ost->resample_channels = dec->channels;
883 ost->resample_sample_rate = dec->sample_rate;
886 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
887 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
888 ost->resample_sample_fmt == enc->sample_fmt &&
889 ost->resample_channels == enc->channels &&
890 ost->resample_sample_rate == enc->sample_rate) {
892 ost->audio_resample = 0;
894 ost->swr = swr_alloc2(ost->swr,
895 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
896 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
897 ost->audio_channels_mapped ? ost->audio_channels_map : NULL,
899 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
900 if (ost->audio_channels_mapped) {
901 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
902 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
904 av_opt_set_int(ost->swr, "ich", dec->channels, 0);
905 av_opt_set_int(ost->swr, "och", enc->channels, 0);
906 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
907 if(ost->swr && swr_init(ost->swr) < 0){
908 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
913 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
914 dec->channels, dec->sample_rate,
915 enc->channels, enc->sample_rate);
921 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
923 if(audio_sync_method){
924 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
925 - av_fifo_size(ost->fifo)/(enc->channels * 2);
926 double idelta= delta*dec->sample_rate / enc->sample_rate;
927 int byte_delta= ((int)idelta)*2*dec->channels;
929 //FIXME resample delay
930 if(fabs(delta) > 50){
931 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
933 byte_delta= FFMAX(byte_delta, -size);
936 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
941 input_tmp= av_realloc(input_tmp, byte_delta + size);
943 if(byte_delta > allocated_for_size - size){
944 allocated_for_size= byte_delta + (int64_t)size;
949 memset(input_tmp, 0, byte_delta);
950 memcpy(input_tmp + byte_delta, buf, size);
953 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
955 }else if(audio_sync_method>1){
956 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
957 av_assert0(ost->audio_resample);
958 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
959 delta, comp, enc->sample_rate);
960 // 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));
961 swr_compensate(ost->swr, comp, enc->sample_rate);
965 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
966 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
968 if (ost->audio_resample) {
970 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
971 (const uint8_t*[]){buf }, size / (dec->channels * isize));
972 size_out = size_out * enc->channels * osize;
978 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
980 /* now encode as many frames as possible */
981 if (enc->frame_size > 1) {
982 /* output resampled raw samples */
983 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
984 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
987 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
989 frame_bytes = enc->frame_size * osize * enc->channels;
991 while (av_fifo_size(ost->fifo) >= frame_bytes) {
993 av_init_packet(&pkt);
995 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
997 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
999 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1000 (short *)audio_buf);
1002 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1006 pkt.stream_index= ost->index;
1007 pkt.data= audio_out;
1009 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1010 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1011 pkt.flags |= AV_PKT_FLAG_KEY;
1012 write_frame(s, &pkt, enc, ost->bitstream_filters);
1014 ost->sync_opts += enc->frame_size;
1018 av_init_packet(&pkt);
1020 ost->sync_opts += size_out / (osize * enc->channels);
1022 /* output a pcm frame */
1023 /* determine the size of the coded buffer */
1026 size_out = size_out*coded_bps/8;
1028 if(size_out > audio_out_size){
1029 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1033 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1034 ret = avcodec_encode_audio(enc, audio_out, size_out,
1037 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1041 pkt.stream_index= ost->index;
1042 pkt.data= audio_out;
1044 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1045 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1046 pkt.flags |= AV_PKT_FLAG_KEY;
1047 write_frame(s, &pkt, enc, ost->bitstream_filters);
1051 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1053 AVCodecContext *dec;
1054 AVPicture *picture2;
1055 AVPicture picture_tmp;
1058 dec = ist->st->codec;
1060 /* deinterlace : must be done before any resize */
1061 if (do_deinterlace) {
1064 /* create temporary picture */
1065 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1066 buf = av_malloc(size);
1070 picture2 = &picture_tmp;
1071 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1073 if(avpicture_deinterlace(picture2, picture,
1074 dec->pix_fmt, dec->width, dec->height) < 0) {
1075 /* if error, do not deinterlace */
1076 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1085 if (picture != picture2)
1086 *picture = *picture2;
1090 static void do_subtitle_out(AVFormatContext *s,
1096 static uint8_t *subtitle_out = NULL;
1097 int subtitle_out_max_size = 1024 * 1024;
1098 int subtitle_out_size, nb, i;
1099 AVCodecContext *enc;
1102 if (pts == AV_NOPTS_VALUE) {
1103 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1109 enc = ost->st->codec;
1111 if (!subtitle_out) {
1112 subtitle_out = av_malloc(subtitle_out_max_size);
1115 /* Note: DVB subtitle need one packet to draw them and one other
1116 packet to clear them */
1117 /* XXX: signal it in the codec context ? */
1118 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1123 for(i = 0; i < nb; i++) {
1124 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1125 // start_display_time is required to be 0
1126 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1127 sub->end_display_time -= sub->start_display_time;
1128 sub->start_display_time = 0;
1129 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1130 subtitle_out_max_size, sub);
1131 if (subtitle_out_size < 0) {
1132 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1136 av_init_packet(&pkt);
1137 pkt.stream_index = ost->index;
1138 pkt.data = subtitle_out;
1139 pkt.size = subtitle_out_size;
1140 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1141 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1142 /* XXX: the pts correction is handled here. Maybe handling
1143 it in the codec would be better */
1145 pkt.pts += 90 * sub->start_display_time;
1147 pkt.pts += 90 * sub->end_display_time;
1149 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1153 static int bit_buffer_size= 1024*256;
1154 static uint8_t *bit_buffer= NULL;
1156 static void do_video_resample(OutputStream *ost,
1158 AVFrame *in_picture,
1159 AVFrame **out_picture)
1162 *out_picture = in_picture;
1164 AVCodecContext *dec = ist->st->codec;
1165 AVCodecContext *enc = ost->st->codec;
1166 int resample_changed = ost->resample_width != dec->width ||
1167 ost->resample_height != dec->height ||
1168 ost->resample_pix_fmt != dec->pix_fmt;
1170 *out_picture = in_picture;
1171 if (resample_changed) {
1172 av_log(NULL, AV_LOG_INFO,
1173 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1174 ist->file_index, ist->st->index,
1175 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1176 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1177 ost->resample_width = dec->width;
1178 ost->resample_height = dec->height;
1179 ost->resample_pix_fmt = dec->pix_fmt;
1182 ost->video_resample = dec->width != enc->width ||
1183 dec->height != enc->height ||
1184 dec->pix_fmt != enc->pix_fmt;
1186 if (ost->video_resample) {
1187 *out_picture = &ost->resample_frame;
1188 if (!ost->img_resample_ctx || resample_changed) {
1189 /* initialize the destination picture */
1190 if (!ost->resample_frame.data[0]) {
1191 avcodec_get_frame_defaults(&ost->resample_frame);
1192 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1193 enc->width, enc->height)) {
1194 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1198 /* initialize a new scaler context */
1199 sws_freeContext(ost->img_resample_ctx);
1200 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1201 enc->width, enc->height, enc->pix_fmt,
1202 ost->sws_flags, NULL, NULL, NULL);
1203 if (ost->img_resample_ctx == NULL) {
1204 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1208 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1209 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1215 static void do_video_out(AVFormatContext *s,
1218 AVFrame *in_picture,
1219 int *frame_size, float quality)
1221 int nb_frames, i, ret, format_video_sync;
1222 AVFrame *final_picture;
1223 AVCodecContext *enc;
1225 double duration = 0;
1227 enc = ost->st->codec;
1229 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1230 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1231 if(ist->st->avg_frame_rate.num)
1232 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1234 duration /= av_q2d(enc->time_base);
1237 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1239 /* by default, we output a single frame */
1244 format_video_sync = video_sync_method;
1245 if (format_video_sync < 0)
1246 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1248 if (format_video_sync) {
1249 double vdelta = sync_ipts - ost->sync_opts + duration;
1250 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1253 else if (format_video_sync == 2) {
1256 }else if(vdelta>0.6)
1257 ost->sync_opts= lrintf(sync_ipts);
1258 }else if (vdelta > 1.1)
1259 nb_frames = lrintf(vdelta);
1260 //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);
1261 if (nb_frames == 0){
1263 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1264 }else if (nb_frames > 1) {
1265 nb_frames_dup += nb_frames - 1;
1266 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1269 ost->sync_opts= lrintf(sync_ipts);
1271 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1275 do_video_resample(ost, ist, in_picture, &final_picture);
1277 /* duplicates frame if needed */
1278 for(i=0;i<nb_frames;i++) {
1280 av_init_packet(&pkt);
1281 pkt.stream_index= ost->index;
1283 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1284 /* raw pictures are written as AVPicture structure to
1285 avoid any copies. We support temporarily the older
1287 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1288 enc->coded_frame->top_field_first = in_picture->top_field_first;
1289 pkt.data= (uint8_t *)final_picture;
1290 pkt.size= sizeof(AVPicture);
1291 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1292 pkt.flags |= AV_PKT_FLAG_KEY;
1294 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1296 AVFrame big_picture;
1298 big_picture= *final_picture;
1299 /* better than nothing: use input picture interlaced
1301 big_picture.interlaced_frame = in_picture->interlaced_frame;
1302 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1303 if (ost->top_field_first == -1)
1304 big_picture.top_field_first = in_picture->top_field_first;
1306 big_picture.top_field_first = !!ost->top_field_first;
1309 /* handles same_quant here. This is not correct because it may
1310 not be a global option */
1311 big_picture.quality = quality;
1312 if (!enc->me_threshold)
1313 big_picture.pict_type = 0;
1314 // big_picture.pts = AV_NOPTS_VALUE;
1315 big_picture.pts= ost->sync_opts;
1316 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1317 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1318 if (ost->forced_kf_index < ost->forced_kf_count &&
1319 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1320 big_picture.pict_type = AV_PICTURE_TYPE_I;
1321 ost->forced_kf_index++;
1323 ret = avcodec_encode_video(enc,
1324 bit_buffer, bit_buffer_size,
1327 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1332 pkt.data= bit_buffer;
1334 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1335 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1336 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1337 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1338 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1340 if(enc->coded_frame->key_frame)
1341 pkt.flags |= AV_PKT_FLAG_KEY;
1342 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1345 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1346 // enc->frame_number-1, ret, enc->pict_type);
1347 /* if two pass, output log */
1348 if (ost->logfile && enc->stats_out) {
1349 fprintf(ost->logfile, "%s", enc->stats_out);
1354 ost->frame_number++;
1358 static double psnr(double d)
1360 return -10.0*log(d)/log(10.0);
1363 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1366 AVCodecContext *enc;
1368 double ti1, bitrate, avg_bitrate;
1370 /* this is executed just the first time do_video_stats is called */
1372 vstats_file = fopen(vstats_filename, "w");
1379 enc = ost->st->codec;
1380 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1381 frame_number = ost->frame_number;
1382 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1383 if (enc->flags&CODEC_FLAG_PSNR)
1384 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1386 fprintf(vstats_file,"f_size= %6d ", frame_size);
1387 /* compute pts value */
1388 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1392 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1393 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1394 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1395 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1396 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1400 static void print_report(OutputFile *output_files,
1401 OutputStream *ost_table, int nb_ostreams,
1402 int is_last_report, int64_t timer_start, int64_t cur_time)
1406 AVFormatContext *oc;
1408 AVCodecContext *enc;
1409 int frame_number, vid, i;
1411 int64_t pts = INT64_MAX;
1412 static int64_t last_time = -1;
1413 static int qp_histogram[52];
1414 int hours, mins, secs, us;
1416 if (!print_stats && !is_last_report)
1419 if (!is_last_report) {
1420 if (last_time == -1) {
1421 last_time = cur_time;
1424 if ((cur_time - last_time) < 500000)
1426 last_time = cur_time;
1430 oc = output_files[0].ctx;
1432 total_size = avio_size(oc->pb);
1433 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1434 total_size= avio_tell(oc->pb);
1438 for(i=0;i<nb_ostreams;i++) {
1440 ost = &ost_table[i];
1441 enc = ost->st->codec;
1442 if (!ost->stream_copy && enc->coded_frame)
1443 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1444 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1447 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1448 float t = (cur_time-timer_start) / 1000000.0;
1450 frame_number = ost->frame_number;
1451 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1452 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1458 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1463 if (enc->flags&CODEC_FLAG_PSNR){
1465 double error, error_sum=0;
1466 double scale, scale_sum=0;
1467 char type[3]= {'Y','U','V'};
1468 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1471 error= enc->error[j];
1472 scale= enc->width*enc->height*255.0*255.0*frame_number;
1474 error= enc->coded_frame->error[j];
1475 scale= enc->width*enc->height*255.0*255.0;
1480 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1482 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1486 /* compute min output value */
1487 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1488 ost->st->time_base, AV_TIME_BASE_Q));
1491 secs = pts / AV_TIME_BASE;
1492 us = pts % AV_TIME_BASE;
1498 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1500 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1501 "size=%8.0fkB time=", total_size / 1024.0);
1502 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1503 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1504 (100 * us) / AV_TIME_BASE);
1505 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1506 "bitrate=%6.1fkbits/s", bitrate);
1508 if (nb_frames_dup || nb_frames_drop)
1509 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1510 nb_frames_dup, nb_frames_drop);
1512 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1516 if (is_last_report) {
1517 int64_t raw= audio_size + video_size + extra_size;
1518 av_log(NULL, AV_LOG_INFO, "\n");
1519 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1523 100.0*(total_size - raw)/raw
1528 static void generate_silence(uint8_t *buf, enum AVSampleFormat sample_fmt, size_t size)
1530 int fill_char = 0x00;
1531 if (sample_fmt == AV_SAMPLE_FMT_U8)
1533 memset(buf, fill_char, size);
1536 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1540 for (i = 0; i < nb_ostreams; i++) {
1541 OutputStream *ost = &ost_table[i];
1542 AVCodecContext *enc = ost->st->codec;
1543 AVFormatContext *os = output_files[ost->file_index].ctx;
1545 if (!ost->encoding_needed)
1548 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1550 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1556 av_init_packet(&pkt);
1557 pkt.stream_index= ost->index;
1559 switch (ost->st->codec->codec_type) {
1560 case AVMEDIA_TYPE_AUDIO:
1561 fifo_bytes = av_fifo_size(ost->fifo);
1563 /* encode any samples remaining in fifo */
1564 if (fifo_bytes > 0) {
1565 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1566 int fs_tmp = enc->frame_size;
1568 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1569 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1570 enc->frame_size = fifo_bytes / (osize * enc->channels);
1572 int frame_bytes = enc->frame_size*osize*enc->channels;
1573 if (allocated_audio_buf_size < frame_bytes)
1575 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1578 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1579 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1580 ost->st->time_base.num, enc->sample_rate);
1581 enc->frame_size = fs_tmp;
1584 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1587 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1591 pkt.flags |= AV_PKT_FLAG_KEY;
1593 case AVMEDIA_TYPE_VIDEO:
1594 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1596 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1600 if(enc->coded_frame && enc->coded_frame->key_frame)
1601 pkt.flags |= AV_PKT_FLAG_KEY;
1602 if (ost->logfile && enc->stats_out) {
1603 fprintf(ost->logfile, "%s", enc->stats_out);
1612 pkt.data = bit_buffer;
1614 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1615 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1616 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1621 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1622 static int output_packet(InputStream *ist, int ist_index,
1623 OutputStream *ost_table, int nb_ostreams,
1624 const AVPacket *pkt)
1626 AVFormatContext *os;
1630 void *buffer_to_free = NULL;
1631 static unsigned int samples_size= 0;
1632 AVSubtitle subtitle, *subtitle_to_free;
1633 int64_t pkt_dts = AV_NOPTS_VALUE;
1634 int64_t pkt_pts = AV_NOPTS_VALUE;
1636 int frame_available;
1641 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1643 if(ist->next_pts == AV_NOPTS_VALUE)
1644 ist->next_pts= ist->pts;
1648 av_init_packet(&avpkt);
1656 if(pkt->dts != AV_NOPTS_VALUE){
1657 if(ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1658 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1659 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1661 if(pkt->pts != AV_NOPTS_VALUE)
1662 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1664 //while we have more to decode or while the decoder did output something on EOF
1665 while (avpkt.size > 0 || (!pkt && got_output)) {
1666 uint8_t *data_buf, *decoded_data_buf;
1667 int data_size, decoded_data_size;
1668 AVFrame *decoded_frame, *filtered_frame;
1670 ist->pts= ist->next_pts;
1672 if(avpkt.size && avpkt.size != pkt->size)
1673 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1674 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1675 ist->showed_multi_packet_warning=1;
1677 /* decode the packet if needed */
1678 decoded_frame = filtered_frame = NULL;
1679 decoded_data_buf = NULL; /* fail safe */
1680 decoded_data_size= 0;
1681 data_buf = avpkt.data;
1682 data_size = avpkt.size;
1683 subtitle_to_free = NULL;
1684 if (ist->decoding_needed) {
1685 switch(ist->st->codec->codec_type) {
1686 case AVMEDIA_TYPE_AUDIO:{
1687 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1688 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1690 samples= av_malloc(samples_size);
1692 decoded_data_size= samples_size;
1693 /* XXX: could avoid copy if PCM 16 bits with same
1694 endianness as CPU */
1695 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1702 got_output = decoded_data_size > 0;
1703 /* Some bug in mpeg audio decoder gives */
1704 /* decoded_data_size < 0, it seems they are overflows */
1706 /* no audio frame */
1709 decoded_data_buf = (uint8_t *)samples;
1710 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1711 (ist->st->codec->sample_rate * ist->st->codec->channels);
1713 case AVMEDIA_TYPE_VIDEO:
1714 if (!(decoded_frame = avcodec_alloc_frame()))
1715 return AVERROR(ENOMEM);
1716 avpkt.pts = pkt_pts;
1717 avpkt.dts = pkt_dts;
1718 pkt_pts = AV_NOPTS_VALUE;
1719 if(pkt_dts != AV_NOPTS_VALUE && ist->st->codec->time_base.num != 0) {
1720 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1721 pkt_dts += ((int64_t)AV_TIME_BASE *
1722 ist->st->codec->time_base.num * ticks) /
1723 ist->st->codec->time_base.den;
1725 pkt_dts = AV_NOPTS_VALUE;
1727 ret = avcodec_decode_video2(ist->st->codec,
1728 decoded_frame, &got_output, &avpkt);
1729 quality = same_quant ? decoded_frame->quality : 0;
1733 /* no picture yet */
1734 av_freep(&decoded_frame);
1735 goto discard_packet;
1738 if(decoded_frame->best_effort_timestamp != AV_NOPTS_VALUE)
1739 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1741 if (ist->st->codec->time_base.num != 0) {
1742 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1743 ist->next_pts += ((int64_t)AV_TIME_BASE *
1744 ist->st->codec->time_base.num * ticks) /
1745 ist->st->codec->time_base.den;
1748 buffer_to_free = NULL;
1749 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1751 case AVMEDIA_TYPE_SUBTITLE:
1752 ret = avcodec_decode_subtitle2(ist->st->codec,
1753 &subtitle, &got_output, &avpkt);
1757 goto discard_packet;
1759 subtitle_to_free = &subtitle;
1766 switch(ist->st->codec->codec_type) {
1767 case AVMEDIA_TYPE_AUDIO:
1768 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1769 ist->st->codec->sample_rate;
1771 case AVMEDIA_TYPE_VIDEO:
1772 if (ist->st->codec->time_base.num != 0) {
1773 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1774 ist->next_pts += ((int64_t)AV_TIME_BASE *
1775 ist->st->codec->time_base.num * ticks) /
1776 ist->st->codec->time_base.den;
1784 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1785 for(i=0;i<nb_ostreams;i++) {
1786 OutputFile *of = &output_files[ost_table[i].file_index];
1787 if (of->start_time == 0 || ist->pts >= of->start_time) {
1788 ost = &ost_table[i];
1789 if (ost->input_video_filter && ost->source_index == ist_index) {
1790 if (!decoded_frame->sample_aspect_ratio.num)
1791 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1792 decoded_frame->pts = ist->pts;
1794 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1800 // preprocess audio (volume)
1801 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1802 if (audio_volume != 256) {
1803 switch (ist->st->codec->sample_fmt) {
1804 case AV_SAMPLE_FMT_U8:
1806 uint8_t *volp = samples;
1807 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1808 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1809 *volp++ = av_clip_uint8(v);
1813 case AV_SAMPLE_FMT_S16:
1815 int16_t *volp = samples;
1816 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1817 int v = ((*volp) * audio_volume + 128) >> 8;
1818 *volp++ = av_clip_int16(v);
1822 case AV_SAMPLE_FMT_S32:
1824 int32_t *volp = samples;
1825 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1826 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1827 *volp++ = av_clipl_int32(v);
1831 case AV_SAMPLE_FMT_FLT:
1833 float *volp = samples;
1834 float scale = audio_volume / 256.f;
1835 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1840 case AV_SAMPLE_FMT_DBL:
1842 double *volp = samples;
1843 double scale = audio_volume / 256.;
1844 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1850 av_log(NULL, AV_LOG_FATAL,
1851 "Audio volume adjustment on sample format %s is not supported.\n",
1852 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1858 /* frame rate emulation */
1859 if (input_files[ist->file_index].rate_emu) {
1860 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1861 int64_t now = av_gettime() - ist->start;
1865 /* if output time reached then transcode raw format,
1866 encode packets and output them */
1867 for (i = 0; i < nb_ostreams; i++) {
1868 OutputFile *of = &output_files[ost_table[i].file_index];
1871 ost = &ost_table[i];
1872 if (ost->source_index != ist_index)
1875 if (of->start_time && ist->pts < of->start_time)
1878 if (of->recording_time != INT64_MAX &&
1879 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1880 (AVRational){1, 1000000}) >= 0) {
1881 ost->is_past_recording_time = 1;
1886 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1887 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1888 while (frame_available) {
1889 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1890 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1891 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1893 if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
1894 ret = AVERROR(ENOMEM);
1897 *filtered_frame= *decoded_frame; //for me_threshold
1899 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1900 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1904 filtered_frame = decoded_frame;
1906 os = output_files[ost->file_index].ctx;
1908 /* set the input output pts pairs */
1909 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1911 if (ost->encoding_needed) {
1912 av_assert0(ist->decoding_needed);
1913 switch(ost->st->codec->codec_type) {
1914 case AVMEDIA_TYPE_AUDIO:
1915 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1917 case AVMEDIA_TYPE_VIDEO:
1919 if (ost->picref->video && !ost->frame_aspect_ratio)
1920 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1922 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1923 same_quant ? quality : ost->st->codec->global_quality);
1924 if (vstats_filename && frame_size)
1925 do_video_stats(os, ost, frame_size);
1927 case AVMEDIA_TYPE_SUBTITLE:
1928 do_subtitle_out(os, ost, ist, &subtitle,
1937 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1938 av_init_packet(&opkt);
1940 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1941 !ost->copy_initial_nonkeyframes)
1942 #if !CONFIG_AVFILTER
1948 /* no reencoding needed : output the packet directly */
1949 /* force the input stream PTS */
1951 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1952 audio_size += data_size;
1953 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1954 video_size += data_size;
1958 opkt.stream_index= ost->index;
1959 if(pkt->pts != AV_NOPTS_VALUE)
1960 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1962 opkt.pts= AV_NOPTS_VALUE;
1964 if (pkt->dts == AV_NOPTS_VALUE)
1965 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1967 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1968 opkt.dts -= ost_tb_start_time;
1970 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1971 opkt.flags= pkt->flags;
1973 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1974 if( ost->st->codec->codec_id != CODEC_ID_H264
1975 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1976 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1978 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1979 opkt.destruct= av_destruct_packet;
1981 opkt.data = data_buf;
1982 opkt.size = data_size;
1985 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1986 /* store AVPicture in AVPacket, as expected by the output format */
1987 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1988 opkt.data = (uint8_t *)&pict;
1989 opkt.size = sizeof(AVPicture);
1990 opkt.flags |= AV_PKT_FLAG_KEY;
1992 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1993 ost->st->codec->frame_number++;
1994 ost->frame_number++;
1995 av_free_packet(&opkt);
1999 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
2000 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2001 avfilter_unref_buffer(ost->picref);
2003 av_freep(&filtered_frame);
2008 av_free(buffer_to_free);
2009 /* XXX: allocate the subtitles in the codec ? */
2010 if (subtitle_to_free) {
2011 avsubtitle_free(subtitle_to_free);
2012 subtitle_to_free = NULL;
2014 av_freep(&decoded_frame);
2023 static void print_sdp(OutputFile *output_files, int n)
2027 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2031 for (i = 0; i < n; i++)
2032 avc[i] = output_files[i].ctx;
2034 av_sdp_create(avc, n, sdp, sizeof(sdp));
2035 printf("SDP:\n%s\n", sdp);
2040 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2041 char *error, int error_len)
2043 InputStream *ist = &input_streams[ist_index];
2044 if (ist->decoding_needed) {
2045 AVCodec *codec = ist->dec;
2047 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2048 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2049 return AVERROR(EINVAL);
2051 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2052 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2053 ist->file_index, ist->st->index);
2054 return AVERROR(EINVAL);
2056 assert_codec_experimental(ist->st->codec, 0);
2057 assert_avoptions(ist->opts);
2060 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;
2061 ist->next_pts = AV_NOPTS_VALUE;
2067 static int transcode_init(OutputFile *output_files, int nb_output_files,
2068 InputFile *input_files, int nb_input_files)
2070 int ret = 0, i, j, k;
2071 AVFormatContext *os;
2072 AVCodecContext *codec, *icodec;
2078 /* init framerate emulation */
2079 for (i = 0; i < nb_input_files; i++) {
2080 InputFile *ifile = &input_files[i];
2081 if (ifile->rate_emu)
2082 for (j = 0; j < ifile->nb_streams; j++)
2083 input_streams[j + ifile->ist_index].start = av_gettime();
2086 /* output stream init */
2087 for(i=0;i<nb_output_files;i++) {
2088 os = output_files[i].ctx;
2089 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2090 av_dump_format(os, i, os->filename, 1);
2091 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2092 return AVERROR(EINVAL);
2096 /* for each output stream, we compute the right encoding parameters */
2097 for (i = 0; i < nb_output_streams; i++) {
2098 ost = &output_streams[i];
2099 os = output_files[ost->file_index].ctx;
2100 ist = &input_streams[ost->source_index];
2102 if (ost->attachment_filename)
2105 codec = ost->st->codec;
2106 icodec = ist->st->codec;
2108 ost->st->disposition = ist->st->disposition;
2109 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2110 codec->chroma_sample_location = icodec->chroma_sample_location;
2112 if (ost->stream_copy) {
2113 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2115 if (extra_size > INT_MAX) {
2116 return AVERROR(EINVAL);
2119 /* if stream_copy is selected, no need to decode or encode */
2120 codec->codec_id = icodec->codec_id;
2121 codec->codec_type = icodec->codec_type;
2123 if(!codec->codec_tag){
2124 if( !os->oformat->codec_tag
2125 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2126 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2127 codec->codec_tag = icodec->codec_tag;
2130 codec->bit_rate = icodec->bit_rate;
2131 codec->rc_max_rate = icodec->rc_max_rate;
2132 codec->rc_buffer_size = icodec->rc_buffer_size;
2133 codec->extradata= av_mallocz(extra_size);
2134 if (!codec->extradata) {
2135 return AVERROR(ENOMEM);
2137 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2138 codec->extradata_size= icodec->extradata_size;
2140 codec->time_base = ist->st->time_base;
2141 if(!strcmp(os->oformat->name, "avi")) {
2142 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){
2143 codec->time_base = icodec->time_base;
2144 codec->time_base.num *= icodec->ticks_per_frame;
2145 codec->time_base.den *= 2;
2147 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2148 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){
2149 codec->time_base = icodec->time_base;
2150 codec->time_base.num *= icodec->ticks_per_frame;
2153 av_reduce(&codec->time_base.num, &codec->time_base.den,
2154 codec->time_base.num, codec->time_base.den, INT_MAX);
2156 switch(codec->codec_type) {
2157 case AVMEDIA_TYPE_AUDIO:
2158 if(audio_volume != 256) {
2159 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2162 codec->channel_layout = icodec->channel_layout;
2163 codec->sample_rate = icodec->sample_rate;
2164 codec->channels = icodec->channels;
2165 codec->frame_size = icodec->frame_size;
2166 codec->audio_service_type = icodec->audio_service_type;
2167 codec->block_align= icodec->block_align;
2169 case AVMEDIA_TYPE_VIDEO:
2170 codec->pix_fmt = icodec->pix_fmt;
2171 codec->width = icodec->width;
2172 codec->height = icodec->height;
2173 codec->has_b_frames = icodec->has_b_frames;
2174 if (!codec->sample_aspect_ratio.num) {
2175 codec->sample_aspect_ratio =
2176 ost->st->sample_aspect_ratio =
2177 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2178 ist->st->codec->sample_aspect_ratio.num ?
2179 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2181 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2183 case AVMEDIA_TYPE_SUBTITLE:
2184 codec->width = icodec->width;
2185 codec->height = icodec->height;
2187 case AVMEDIA_TYPE_DATA:
2188 case AVMEDIA_TYPE_ATTACHMENT:
2195 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2196 ist->decoding_needed = 1;
2197 ost->encoding_needed = 1;
2198 switch(codec->codec_type) {
2199 case AVMEDIA_TYPE_AUDIO:
2200 ost->fifo= av_fifo_alloc(1024);
2202 return AVERROR(ENOMEM);
2204 if (!codec->sample_rate)
2205 codec->sample_rate = icodec->sample_rate;
2206 choose_sample_rate(ost->st, ost->enc);
2207 codec->time_base = (AVRational){1, codec->sample_rate};
2208 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2209 codec->sample_fmt = icodec->sample_fmt;
2210 choose_sample_fmt(ost->st, ost->enc);
2211 if (ost->audio_channels_mapped) {
2212 /* the requested output channel is set to the number of
2213 * -map_channel only if no -ac are specified */
2214 if (!codec->channels) {
2215 codec->channels = ost->audio_channels_mapped;
2216 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2217 if (!codec->channel_layout) {
2218 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2222 /* fill unused channel mapping with -1 (which means a muted
2223 * channel in case the number of output channels is bigger
2224 * than the number of mapped channel) */
2225 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2226 ost->audio_channels_map[j] = -1;
2227 } else if (!codec->channels) {
2228 codec->channels = icodec->channels;
2229 codec->channel_layout = icodec->channel_layout;
2231 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2232 codec->channel_layout = 0;
2233 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2234 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2235 || codec->channel_layout != icodec->channel_layout;
2236 icodec->request_channels = codec->channels;
2237 ost->resample_sample_fmt = icodec->sample_fmt;
2238 ost->resample_sample_rate = icodec->sample_rate;
2239 ost->resample_channels = icodec->channels;
2241 case AVMEDIA_TYPE_VIDEO:
2242 if (codec->pix_fmt == PIX_FMT_NONE)
2243 codec->pix_fmt = icodec->pix_fmt;
2244 choose_pixel_fmt(ost->st, ost->enc);
2246 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2247 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2251 if (!codec->width || !codec->height) {
2252 codec->width = icodec->width;
2253 codec->height = icodec->height;
2256 ost->video_resample = codec->width != icodec->width ||
2257 codec->height != icodec->height ||
2258 codec->pix_fmt != icodec->pix_fmt;
2259 if (ost->video_resample) {
2260 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2263 ost->resample_height = icodec->height;
2264 ost->resample_width = icodec->width;
2265 ost->resample_pix_fmt= icodec->pix_fmt;
2267 if (!ost->frame_rate.num)
2268 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2269 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2270 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2271 ost->frame_rate = ost->enc->supported_framerates[idx];
2273 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2274 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2275 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2276 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2277 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2279 for (j = 0; j < ost->forced_kf_count; j++)
2280 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2285 if (configure_video_filters(ist, ost)) {
2286 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2291 case AVMEDIA_TYPE_SUBTITLE:
2298 if (codec->codec_id != CODEC_ID_H264 &&
2299 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2300 char logfilename[1024];
2303 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2304 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2306 if (codec->flags & CODEC_FLAG_PASS2) {
2308 size_t logbuffer_size;
2309 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2310 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2314 codec->stats_in = logbuffer;
2316 if (codec->flags & CODEC_FLAG_PASS1) {
2317 f = fopen(logfilename, "wb");
2319 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2320 logfilename, strerror(errno));
2327 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2328 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2329 int size= codec->width * codec->height;
2330 bit_buffer_size= FFMAX(bit_buffer_size, 7*size + 10000);
2335 bit_buffer = av_malloc(bit_buffer_size);
2337 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2339 return AVERROR(ENOMEM);
2342 /* open each encoder */
2343 for (i = 0; i < nb_output_streams; i++) {
2344 ost = &output_streams[i];
2345 if (ost->encoding_needed) {
2346 AVCodec *codec = ost->enc;
2347 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2349 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2350 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2351 ret = AVERROR(EINVAL);
2354 if (dec->subtitle_header) {
2355 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2356 if (!ost->st->codec->subtitle_header) {
2357 ret = AVERROR(ENOMEM);
2360 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2361 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2363 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2364 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2365 ost->file_index, ost->index);
2366 ret = AVERROR(EINVAL);
2369 assert_codec_experimental(ost->st->codec, 1);
2370 assert_avoptions(ost->opts);
2371 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2372 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2373 " It takes bits/s as argument, not kbits/s\n");
2374 extra_size += ost->st->codec->extradata_size;
2376 if (ost->st->codec->me_threshold)
2377 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2381 /* init input streams */
2382 for (i = 0; i < nb_input_streams; i++)
2383 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2386 /* discard unused programs */
2387 for (i = 0; i < nb_input_files; i++) {
2388 InputFile *ifile = &input_files[i];
2389 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2390 AVProgram *p = ifile->ctx->programs[j];
2391 int discard = AVDISCARD_ALL;
2393 for (k = 0; k < p->nb_stream_indexes; k++)
2394 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2395 discard = AVDISCARD_DEFAULT;
2398 p->discard = discard;
2402 /* open files and write file headers */
2403 for (i = 0; i < nb_output_files; i++) {
2404 os = output_files[i].ctx;
2405 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2406 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2407 ret = AVERROR(EINVAL);
2410 // assert_avoptions(output_files[i].opts);
2411 if (strcmp(os->oformat->name, "rtp")) {
2417 /* dump the file output parameters - cannot be done before in case
2419 for(i=0;i<nb_output_files;i++) {
2420 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2423 /* dump the stream mapping */
2424 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2425 for (i = 0; i < nb_output_streams; i++) {
2426 ost = &output_streams[i];
2428 if (ost->attachment_filename) {
2429 /* an attached file */
2430 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2431 ost->attachment_filename, ost->file_index, ost->index);
2434 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2435 input_streams[ost->source_index].file_index,
2436 input_streams[ost->source_index].st->index,
2439 if (ost->audio_channels_mapped) {
2440 av_log(NULL, AV_LOG_INFO, " [ch:");
2441 for (j = 0; j < ost->audio_channels_mapped; j++)
2442 if (ost->audio_channels_map[j] == -1)
2443 av_log(NULL, AV_LOG_INFO, " M");
2445 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2446 av_log(NULL, AV_LOG_INFO, "]");
2448 if (ost->sync_ist != &input_streams[ost->source_index])
2449 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2450 ost->sync_ist->file_index,
2451 ost->sync_ist->st->index);
2452 if (ost->stream_copy)
2453 av_log(NULL, AV_LOG_INFO, " (copy)");
2455 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2456 input_streams[ost->source_index].dec->name : "?",
2457 ost->enc ? ost->enc->name : "?");
2458 av_log(NULL, AV_LOG_INFO, "\n");
2462 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2467 print_sdp(output_files, nb_output_files);
2474 * The following code is the main loop of the file converter
2476 static int transcode(OutputFile *output_files, int nb_output_files,
2477 InputFile *input_files, int nb_input_files)
2480 AVFormatContext *is, *os;
2484 int no_packet_count=0;
2485 int64_t timer_start;
2488 if (!(no_packet = av_mallocz(nb_input_files)))
2491 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2496 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2497 avio_set_interrupt_cb(decode_interrupt_cb);
2500 timer_start = av_gettime();
2502 for(; received_sigterm == 0;) {
2503 int file_index, ist_index;
2507 int64_t cur_time= av_gettime();
2509 ipts_min= INT64_MAX;
2511 /* if 'q' pressed, exits */
2513 static int64_t last_time;
2514 if (received_nb_signals)
2516 /* read_key() returns 0 on EOF */
2517 if(cur_time - last_time >= 100000 && !run_as_daemon){
2519 last_time = cur_time;
2524 if (key == '+') av_log_set_level(av_log_get_level()+10);
2525 if (key == '-') av_log_set_level(av_log_get_level()-10);
2526 if (key == 's') qp_hist ^= 1;
2529 do_hex_dump = do_pkt_dump = 0;
2530 } else if(do_pkt_dump){
2534 av_log_set_level(AV_LOG_DEBUG);
2537 if (key == 'c' || key == 'C'){
2538 char buf[4096], target[64], command[256], arg[256] = {0};
2541 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2543 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2548 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2549 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2550 target, time, command, arg);
2551 for (i = 0; i < nb_output_streams; i++) {
2552 ost = &output_streams[i];
2555 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2556 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2557 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2559 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2564 av_log(NULL, AV_LOG_ERROR,
2565 "Parse error, at least 3 arguments were expected, "
2566 "only %d given in string '%s'\n", n, buf);
2570 if (key == 'd' || key == 'D'){
2573 debug = input_streams[0].st->codec->debug<<1;
2574 if(!debug) debug = 1;
2575 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2578 if(scanf("%d", &debug)!=1)
2579 fprintf(stderr,"error parsing debug value\n");
2580 for(i=0;i<nb_input_streams;i++) {
2581 input_streams[i].st->codec->debug = debug;
2583 for(i=0;i<nb_output_streams;i++) {
2584 ost = &output_streams[i];
2585 ost->st->codec->debug = debug;
2587 if(debug) av_log_set_level(AV_LOG_DEBUG);
2588 fprintf(stderr,"debug=%d\n", debug);
2591 fprintf(stderr, "key function\n"
2592 "? show this help\n"
2593 "+ increase verbosity\n"
2594 "- decrease verbosity\n"
2595 "c Send command to filtergraph\n"
2596 "D cycle through available debug modes\n"
2597 "h dump packets/hex press to cycle through the 3 states\n"
2599 "s Show QP histogram\n"
2604 /* select the stream that we must read now by looking at the
2605 smallest output pts */
2607 for (i = 0; i < nb_output_streams; i++) {
2611 ost = &output_streams[i];
2612 of = &output_files[ost->file_index];
2613 os = output_files[ost->file_index].ctx;
2614 ist = &input_streams[ost->source_index];
2615 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2616 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2618 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2620 if (!input_files[ist->file_index].eof_reached){
2621 if(ipts < ipts_min) {
2623 if(input_sync ) file_index = ist->file_index;
2625 if(opts < opts_min) {
2627 if(!input_sync) file_index = ist->file_index;
2630 if (ost->frame_number >= ost->max_frames) {
2632 for (j = 0; j < of->ctx->nb_streams; j++)
2633 output_streams[of->ost_index + j].is_past_recording_time = 1;
2637 /* if none, if is finished */
2638 if (file_index < 0) {
2639 if(no_packet_count){
2641 memset(no_packet, 0, nb_input_files);
2648 /* read a frame from it and output it in the fifo */
2649 is = input_files[file_index].ctx;
2650 ret= av_read_frame(is, &pkt);
2651 if(ret == AVERROR(EAGAIN)){
2652 no_packet[file_index]=1;
2657 input_files[file_index].eof_reached = 1;
2665 memset(no_packet, 0, nb_input_files);
2668 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2669 is->streams[pkt.stream_index]);
2671 /* the following test is needed in case new streams appear
2672 dynamically in stream : we ignore them */
2673 if (pkt.stream_index >= input_files[file_index].nb_streams)
2674 goto discard_packet;
2675 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2676 ist = &input_streams[ist_index];
2678 goto discard_packet;
2680 if (pkt.dts != AV_NOPTS_VALUE)
2681 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2682 if (pkt.pts != AV_NOPTS_VALUE)
2683 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2685 if(pkt.pts != AV_NOPTS_VALUE)
2686 pkt.pts *= ist->ts_scale;
2687 if(pkt.dts != AV_NOPTS_VALUE)
2688 pkt.dts *= ist->ts_scale;
2690 // 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);
2691 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2692 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2693 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2694 int64_t delta= pkt_dts - ist->next_pts;
2695 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2696 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2697 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2698 pkt_dts+1<ist->pts)&& !copy_ts){
2699 input_files[ist->file_index].ts_offset -= delta;
2700 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2701 delta, input_files[ist->file_index].ts_offset);
2702 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2703 if(pkt.pts != AV_NOPTS_VALUE)
2704 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2708 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2709 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2711 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2712 ist->file_index, ist->st->index);
2715 av_free_packet(&pkt);
2720 av_free_packet(&pkt);
2722 /* dump report by using the output first video and audio streams */
2723 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2726 /* at the end of stream, we must flush the decoder buffers */
2727 for (i = 0; i < nb_input_streams; i++) {
2728 ist = &input_streams[i];
2729 if (ist->decoding_needed) {
2730 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2733 flush_encoders(output_streams, nb_output_streams);
2737 /* write the trailer if needed and close file */
2738 for(i=0;i<nb_output_files;i++) {
2739 os = output_files[i].ctx;
2740 av_write_trailer(os);
2743 /* dump report by using the first video and audio streams */
2744 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
2746 /* close each encoder */
2747 for (i = 0; i < nb_output_streams; i++) {
2748 ost = &output_streams[i];
2749 if (ost->encoding_needed) {
2750 av_freep(&ost->st->codec->stats_in);
2751 avcodec_close(ost->st->codec);
2754 avfilter_graph_free(&ost->graph);
2758 /* close each decoder */
2759 for (i = 0; i < nb_input_streams; i++) {
2760 ist = &input_streams[i];
2761 if (ist->decoding_needed) {
2762 avcodec_close(ist->st->codec);
2770 av_freep(&bit_buffer);
2771 av_freep(&no_packet);
2773 if (output_streams) {
2774 for (i = 0; i < nb_output_streams; i++) {
2775 ost = &output_streams[i];
2777 if (ost->stream_copy)
2778 av_freep(&ost->st->codec->extradata);
2780 fclose(ost->logfile);
2781 ost->logfile = NULL;
2783 av_fifo_free(ost->fifo); /* works even if fifo is not
2784 initialized but set to zero */
2785 av_freep(&ost->st->codec->subtitle_header);
2786 av_free(ost->resample_frame.data[0]);
2787 av_free(ost->forced_kf_pts);
2788 if (ost->video_resample)
2789 sws_freeContext(ost->img_resample_ctx);
2790 swr_free(&ost->swr);
2791 av_dict_free(&ost->opts);
2798 static int opt_frame_crop(const char *opt, const char *arg)
2800 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
2801 return AVERROR(EINVAL);
2804 static int opt_pad(const char *opt, const char *arg)
2806 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
2810 static double parse_frame_aspect_ratio(const char *arg)
2817 p = strchr(arg, ':');
2819 x = strtol(arg, &end, 10);
2821 y = strtol(end+1, &end, 10);
2823 ar = (double)x / (double)y;
2825 ar = strtod(arg, NULL);
2828 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2834 static int opt_video_channel(const char *opt, const char *arg)
2836 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2837 return opt_default("channel", arg);
2840 static int opt_video_standard(const char *opt, const char *arg)
2842 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2843 return opt_default("standard", arg);
2846 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2848 audio_codec_name = arg;
2849 return parse_option(o, "codec:a", arg, options);
2852 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2854 video_codec_name = arg;
2855 return parse_option(o, "codec:v", arg, options);
2858 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2860 subtitle_codec_name = arg;
2861 return parse_option(o, "codec:s", arg, options);
2864 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2866 return parse_option(o, "codec:d", arg, options);
2869 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2871 StreamMap *m = NULL;
2872 int i, negative = 0, file_idx;
2873 int sync_file_idx = -1, sync_stream_idx;
2881 map = av_strdup(arg);
2883 /* parse sync stream first, just pick first matching stream */
2884 if (sync = strchr(map, ',')) {
2886 sync_file_idx = strtol(sync + 1, &sync, 0);
2887 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2888 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2893 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2894 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2895 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2896 sync_stream_idx = i;
2899 if (i == input_files[sync_file_idx].nb_streams) {
2900 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2901 "match any streams.\n", arg);
2907 file_idx = strtol(map, &p, 0);
2908 if (file_idx >= nb_input_files || file_idx < 0) {
2909 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2913 /* disable some already defined maps */
2914 for (i = 0; i < o->nb_stream_maps; i++) {
2915 m = &o->stream_maps[i];
2916 if (file_idx == m->file_index &&
2917 check_stream_specifier(input_files[m->file_index].ctx,
2918 input_files[m->file_index].ctx->streams[m->stream_index],
2919 *p == ':' ? p + 1 : p) > 0)
2923 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2924 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2925 *p == ':' ? p + 1 : p) <= 0)
2927 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2928 &o->nb_stream_maps, o->nb_stream_maps + 1);
2929 m = &o->stream_maps[o->nb_stream_maps - 1];
2931 m->file_index = file_idx;
2932 m->stream_index = i;
2934 if (sync_file_idx >= 0) {
2935 m->sync_file_index = sync_file_idx;
2936 m->sync_stream_index = sync_stream_idx;
2938 m->sync_file_index = file_idx;
2939 m->sync_stream_index = i;
2944 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2952 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2954 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2955 &o->nb_attachments, o->nb_attachments + 1);
2956 o->attachments[o->nb_attachments - 1] = arg;
2960 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
2966 o->audio_channel_maps =
2967 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
2968 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
2969 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
2971 /* muted channel syntax */
2972 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
2973 if ((n == 1 || n == 3) && m->channel_idx == -1) {
2974 m->file_idx = m->stream_idx = -1;
2976 m->ofile_idx = m->ostream_idx = -1;
2981 n = sscanf(arg, "%d.%d.%d:%d.%d",
2982 &m->file_idx, &m->stream_idx, &m->channel_idx,
2983 &m->ofile_idx, &m->ostream_idx);
2985 if (n != 3 && n != 5) {
2986 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
2987 "[file.stream.channel|-1][:syncfile:syncstream]\n");
2991 if (n != 5) // only file.stream.channel specified
2992 m->ofile_idx = m->ostream_idx = -1;
2995 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
2996 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3000 if (m->stream_idx < 0 ||
3001 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3002 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3003 m->file_idx, m->stream_idx);
3006 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3007 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3008 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3009 m->file_idx, m->stream_idx);
3012 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3013 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3014 m->file_idx, m->stream_idx, m->channel_idx);
3020 static void parse_meta_type(char *arg, char *type, int *index)
3030 if (*(++arg) == ':')
3031 *index = strtol(++arg, NULL, 0);
3034 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3041 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
3043 MetadataMap *m, *m1;
3046 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
3047 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
3049 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
3050 m->file = strtol(arg, &p, 0);
3051 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
3053 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
3054 if (p = strchr(opt, ':'))
3055 parse_meta_type(p + 1, &m1->type, &m1->index);
3059 if (m->type == 'g' || m1->type == 'g')
3060 o->metadata_global_manual = 1;
3061 if (m->type == 's' || m1->type == 's')
3062 o->metadata_streams_manual = 1;
3063 if (m->type == 'c' || m1->type == 'c')
3064 o->metadata_chapters_manual = 1;
3069 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
3071 av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
3072 "Use -map_metadata instead.\n");
3073 return opt_map_metadata(o, opt, arg);
3076 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3079 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3080 struct tm time = *gmtime((time_t*)&recording_timestamp);
3081 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3082 parse_option(o, "metadata", buf, options);
3084 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3085 "tag instead.\n", opt);
3089 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3091 const char *codec_string = encoder ? "encoder" : "decoder";
3095 avcodec_find_encoder_by_name(name) :
3096 avcodec_find_decoder_by_name(name);
3098 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3101 if(codec->type != type) {
3102 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3108 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3110 char *codec_name = NULL;
3112 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3114 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3115 st->codec->codec_id = codec->id;
3118 return avcodec_find_decoder(st->codec->codec_id);
3122 * Add all the streams from the given input file to the global
3123 * list of input streams.
3125 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3127 int i, rfps, rfps_base;
3128 char *next, *codec_tag = NULL;
3130 for (i = 0; i < ic->nb_streams; i++) {
3131 AVStream *st = ic->streams[i];
3132 AVCodecContext *dec = st->codec;
3135 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3136 ist = &input_streams[nb_input_streams - 1];
3138 ist->file_index = nb_input_files;
3140 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3142 ist->ts_scale = 1.0;
3143 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3145 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3147 uint32_t tag = strtol(codec_tag, &next, 0);
3149 tag = AV_RL32(codec_tag);
3150 st->codec->codec_tag = tag;
3153 ist->dec = choose_decoder(o, ic, st);
3155 switch (dec->codec_type) {
3156 case AVMEDIA_TYPE_AUDIO:
3158 ist->dec = avcodec_find_decoder(dec->codec_id);
3159 if(o->audio_disable)
3160 st->discard= AVDISCARD_ALL;
3162 case AVMEDIA_TYPE_VIDEO:
3164 ist->dec = avcodec_find_decoder(dec->codec_id);
3165 rfps = ic->streams[i]->r_frame_rate.num;
3166 rfps_base = ic->streams[i]->r_frame_rate.den;
3168 dec->flags |= CODEC_FLAG_EMU_EDGE;
3171 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3173 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3174 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3175 (float)rfps / rfps_base, rfps, rfps_base);
3178 if (o->video_disable)
3179 st->discard= AVDISCARD_ALL;
3180 else if(video_discard)
3181 st->discard= video_discard;
3183 case AVMEDIA_TYPE_DATA:
3185 case AVMEDIA_TYPE_SUBTITLE:
3187 ist->dec = avcodec_find_decoder(dec->codec_id);
3188 if(o->subtitle_disable)
3189 st->discard = AVDISCARD_ALL;
3191 case AVMEDIA_TYPE_ATTACHMENT:
3192 case AVMEDIA_TYPE_UNKNOWN:
3200 static void assert_file_overwrite(const char *filename)
3202 if (!file_overwrite &&
3203 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3204 av_strstart(filename, "file:", NULL))) {
3205 if (avio_check(filename, 0) == 0) {
3207 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3210 if (!read_yesno()) {
3211 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3217 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3224 static void dump_attachment(AVStream *st, const char *filename)
3227 AVIOContext *out = NULL;
3228 AVDictionaryEntry *e;
3230 if (!st->codec->extradata_size) {
3231 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3232 nb_input_files - 1, st->index);
3235 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3236 filename = e->value;
3238 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3239 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3243 assert_file_overwrite(filename);
3245 if ((ret = avio_open (&out, filename, AVIO_FLAG_WRITE)) < 0) {
3246 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3251 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3256 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3258 AVFormatContext *ic;
3259 AVInputFormat *file_iformat = NULL;
3263 AVDictionary **opts;
3264 int orig_nb_streams; // number of streams before avformat_find_stream_info
3267 if (!(file_iformat = av_find_input_format(o->format))) {
3268 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3273 if (!strcmp(filename, "-"))
3276 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3277 !strcmp(filename, "/dev/stdin");
3279 /* get default parameters from command line */
3280 ic = avformat_alloc_context();
3282 print_error(filename, AVERROR(ENOMEM));
3285 if (o->nb_audio_sample_rate) {
3286 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3287 av_dict_set(&format_opts, "sample_rate", buf, 0);
3289 if (o->nb_audio_channels) {
3290 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3291 av_dict_set(&format_opts, "channels", buf, 0);
3293 if (o->nb_frame_rates) {
3294 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3296 if (o->nb_frame_sizes) {
3297 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3299 if (o->nb_frame_pix_fmts)
3300 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3302 ic->video_codec_id = video_codec_name ?
3303 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3304 ic->audio_codec_id = audio_codec_name ?
3305 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3306 ic->subtitle_codec_id= subtitle_codec_name ?
3307 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3308 ic->flags |= AVFMT_FLAG_NONBLOCK;
3311 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3312 ic->loop_input = loop_input;
3315 /* open the input file with generic libav function */
3316 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3318 print_error(filename, err);
3321 assert_avoptions(format_opts);
3323 /* apply forced codec ids */
3324 for (i = 0; i < ic->nb_streams; i++)
3325 choose_decoder(o, ic, ic->streams[i]);
3327 /* Set AVCodecContext options for avformat_find_stream_info */
3328 opts = setup_find_stream_info_opts(ic, codec_opts);
3329 orig_nb_streams = ic->nb_streams;
3331 /* If not enough info to get the stream parameters, we decode the
3332 first frames to get it. (used in mpeg case for example) */
3333 ret = avformat_find_stream_info(ic, opts);
3335 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3336 av_close_input_file(ic);
3340 timestamp = o->start_time;
3341 /* add the stream start time */
3342 if (ic->start_time != AV_NOPTS_VALUE)
3343 timestamp += ic->start_time;
3345 /* if seeking requested, we execute it */
3346 if (o->start_time != 0) {
3347 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3349 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3350 filename, (double)timestamp / AV_TIME_BASE);
3354 /* update the current parameters so that they match the one of the input stream */
3355 add_input_streams(o, ic);
3357 /* dump the file content */
3358 av_dump_format(ic, nb_input_files, filename, 0);
3360 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3361 input_files[nb_input_files - 1].ctx = ic;
3362 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3363 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3364 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3365 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3367 for (i = 0; i < o->nb_dump_attachment; i++) {
3370 for (j = 0; j < ic->nb_streams; j++) {
3371 AVStream *st = ic->streams[j];
3373 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3374 dump_attachment(st, o->dump_attachment[i].u.str);
3378 for (i = 0; i < orig_nb_streams; i++)
3379 av_dict_free(&opts[i]);
3382 reset_options(o, 1);
3386 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3391 for (p = kf; *p; p++)
3394 ost->forced_kf_count = n;
3395 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3396 if (!ost->forced_kf_pts) {
3397 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3400 for (i = 0; i < n; i++) {
3401 p = i ? strchr(p, ',') + 1 : kf;
3402 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3406 static uint8_t *get_line(AVIOContext *s)
3412 if (avio_open_dyn_buf(&line) < 0) {
3413 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3417 while ((c = avio_r8(s)) && c != '\n')
3420 avio_close_dyn_buf(line, &buf);
3425 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3428 char filename[1000];
3429 const char *base[3] = { getenv("AVCONV_DATADIR"),
3434 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3438 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3439 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3440 ret = avio_open(s, filename, AVIO_FLAG_READ);
3443 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3444 i != 1 ? "" : "/.avconv", preset_name);
3445 ret = avio_open(s, filename, AVIO_FLAG_READ);
3451 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3453 char *codec_name = NULL;
3455 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3457 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3458 NULL, ost->st->codec->codec_type);
3459 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3460 } else if (!strcmp(codec_name, "copy"))
3461 ost->stream_copy = 1;
3463 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3464 ost->st->codec->codec_id = ost->enc->id;
3468 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3471 AVStream *st = avformat_new_stream(oc, NULL);
3472 int idx = oc->nb_streams - 1, ret = 0;
3473 char *bsf = NULL, *next, *codec_tag = NULL;
3474 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3476 char *buf = NULL, *arg = NULL, *preset = NULL;
3477 AVIOContext *s = NULL;
3480 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3484 if (oc->nb_streams - 1 < o->nb_streamid_map)
3485 st->id = o->streamid_map[oc->nb_streams - 1];
3487 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3488 nb_output_streams + 1);
3489 ost = &output_streams[nb_output_streams - 1];
3490 ost->file_index = nb_output_files;
3493 st->codec->codec_type = type;
3494 choose_encoder(o, oc, ost);
3496 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3499 avcodec_get_context_defaults3(st->codec, ost->enc);
3500 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3502 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3503 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3506 if (!buf[0] || buf[0] == '#') {
3510 if (!(arg = strchr(buf, '='))) {
3511 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3515 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3517 } while (!s->eof_reached);
3521 av_log(NULL, AV_LOG_FATAL,
3522 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3523 preset, ost->file_index, ost->index);
3527 ost->max_frames = INT64_MAX;
3528 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3530 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3532 if (next = strchr(bsf, ','))
3534 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3535 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3539 bsfc_prev->next = bsfc;
3541 ost->bitstream_filters = bsfc;
3547 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3549 uint32_t tag = strtol(codec_tag, &next, 0);
3551 tag = AV_RL32(codec_tag);
3552 st->codec->codec_tag = tag;
3555 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3556 if (qscale >= 0 || same_quant) {
3557 st->codec->flags |= CODEC_FLAG_QSCALE;
3558 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3561 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3562 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3564 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3568 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3571 const char *p = str;
3578 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3585 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3589 AVCodecContext *video_enc;
3591 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3593 video_enc = st->codec;
3595 if (!ost->stream_copy) {
3596 const char *p = NULL;
3597 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3598 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3599 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3602 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3603 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3604 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3608 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3609 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3610 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3614 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3615 if (frame_aspect_ratio)
3616 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3618 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3619 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3620 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3621 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3624 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3627 video_enc->gop_size = 0;
3628 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3630 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3631 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3634 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3636 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3638 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3639 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3642 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3645 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3648 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3650 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3653 /* FIXME realloc failure */
3654 video_enc->rc_override=
3655 av_realloc(video_enc->rc_override,
3656 sizeof(RcOverride)*(i+1));
3657 video_enc->rc_override[i].start_frame= start;
3658 video_enc->rc_override[i].end_frame = end;
3660 video_enc->rc_override[i].qscale= q;
3661 video_enc->rc_override[i].quality_factor= 1.0;
3664 video_enc->rc_override[i].qscale= 0;
3665 video_enc->rc_override[i].quality_factor= -q/100.0;
3670 video_enc->rc_override_count=i;
3671 if (!video_enc->rc_initial_buffer_occupancy)
3672 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3673 video_enc->intra_dc_precision= intra_dc_precision - 8;
3676 video_enc->flags|= CODEC_FLAG_PSNR;
3681 video_enc->flags |= CODEC_FLAG_PASS1;
3684 video_enc->flags |= CODEC_FLAG_PASS2;
3688 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3689 if (forced_key_frames)
3690 parse_forced_key_frames(forced_key_frames, ost);
3692 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3694 ost->top_field_first = -1;
3695 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3697 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3700 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3702 ost->avfilter = av_strdup(filters);
3709 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3714 AVCodecContext *audio_enc;
3716 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3719 audio_enc = st->codec;
3720 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3722 if (!ost->stream_copy) {
3723 char *sample_fmt = NULL;
3725 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3727 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3729 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3730 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3734 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3736 ost->rematrix_volume=1.0;
3737 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
3740 /* check for channel mapping for this audio stream */
3741 for (n = 0; n < o->nb_audio_channel_maps; n++) {
3742 AudioChannelMap *map = &o->audio_channel_maps[n];
3743 InputStream *ist = &input_streams[ost->source_index];
3744 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
3745 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
3746 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
3747 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
3748 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
3750 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
3751 ost->file_index, ost->st->index);
3758 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3762 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3763 if (!ost->stream_copy) {
3764 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3771 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3773 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3774 ost->stream_copy = 1;
3778 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3782 AVCodecContext *subtitle_enc;
3784 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3786 subtitle_enc = st->codec;
3788 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3793 /* arg format is "output-stream-index:streamid-value". */
3794 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3800 av_strlcpy(idx_str, arg, sizeof(idx_str));
3801 p = strchr(idx_str, ':');
3803 av_log(NULL, AV_LOG_FATAL,
3804 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3809 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3810 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3811 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3815 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3817 AVFormatContext *is = ifile->ctx;
3818 AVFormatContext *os = ofile->ctx;
3821 for (i = 0; i < is->nb_chapters; i++) {
3822 AVChapter *in_ch = is->chapters[i], *out_ch;
3823 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3824 AV_TIME_BASE_Q, in_ch->time_base);
3825 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3826 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3829 if (in_ch->end < ts_off)
3831 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3834 out_ch = av_mallocz(sizeof(AVChapter));
3836 return AVERROR(ENOMEM);
3838 out_ch->id = in_ch->id;
3839 out_ch->time_base = in_ch->time_base;
3840 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3841 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3844 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3847 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
3849 return AVERROR(ENOMEM);
3850 os->chapters[os->nb_chapters - 1] = out_ch;
3855 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3858 AVFormatContext *ic = NULL;
3860 err = avformat_open_input(&ic, filename, NULL, NULL);
3863 /* copy stream format */
3864 for(i=0;i<ic->nb_streams;i++) {
3868 AVCodecContext *avctx;
3870 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3871 ost = new_output_stream(o, s, codec->type);
3875 // FIXME: a more elegant solution is needed
3876 memcpy(st, ic->streams[i], sizeof(AVStream));
3877 st->info = av_malloc(sizeof(*st->info));
3878 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3880 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3882 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
3883 choose_sample_fmt(st, codec);
3884 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
3885 choose_pixel_fmt(st, codec);
3888 av_close_input_file(ic);
3892 static void opt_output_file(void *optctx, const char *filename)
3894 OptionsContext *o = optctx;
3895 AVFormatContext *oc;
3897 AVOutputFormat *file_oformat;
3901 if (!strcmp(filename, "-"))
3904 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3906 print_error(filename, err);
3909 file_oformat= oc->oformat;
3911 if (!strcmp(file_oformat->name, "ffm") &&
3912 av_strstart(filename, "http:", NULL)) {
3914 /* special case for files sent to ffserver: we get the stream
3915 parameters from ffserver */
3916 int err = read_ffserver_streams(o, oc, filename);
3918 print_error(filename, err);
3921 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
3922 ost = &output_streams[j];
3923 for (i = 0; i < nb_input_streams; i++) {
3924 ist = &input_streams[i];
3925 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
3927 ost->source_index= i;
3933 } else if (!o->nb_stream_maps) {
3934 /* pick the "best" stream of each type */
3935 #define NEW_STREAM(type, index)\
3937 ost = new_ ## type ## _stream(o, oc);\
3938 ost->source_index = index;\
3939 ost->sync_ist = &input_streams[index];\
3940 input_streams[index].discard = 0;\
3943 /* video: highest resolution */
3944 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3945 int area = 0, idx = -1;
3946 for (i = 0; i < nb_input_streams; i++) {
3947 ist = &input_streams[i];
3948 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3949 ist->st->codec->width * ist->st->codec->height > area) {
3950 area = ist->st->codec->width * ist->st->codec->height;
3954 NEW_STREAM(video, idx);
3957 /* audio: most channels */
3958 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3959 int channels = 0, idx = -1;
3960 for (i = 0; i < nb_input_streams; i++) {
3961 ist = &input_streams[i];
3962 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3963 ist->st->codec->channels > channels) {
3964 channels = ist->st->codec->channels;
3968 NEW_STREAM(audio, idx);
3971 /* subtitles: pick first */
3972 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
3973 for (i = 0; i < nb_input_streams; i++)
3974 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3975 NEW_STREAM(subtitle, i);
3979 /* do something with data? */
3981 for (i = 0; i < o->nb_stream_maps; i++) {
3982 StreamMap *map = &o->stream_maps[i];
3987 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3988 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
3990 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3992 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3995 switch (ist->st->codec->codec_type) {
3996 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3997 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3998 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3999 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4000 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4002 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4003 map->file_index, map->stream_index);
4007 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4008 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4009 map->sync_stream_index];
4014 /* handle attached files */
4015 for (i = 0; i < o->nb_attachments; i++) {
4017 uint8_t *attachment;
4021 if ((err = avio_open(&pb, o->attachments[i], AVIO_FLAG_READ)) < 0) {
4022 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4026 if ((len = avio_size(pb)) <= 0) {
4027 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4031 if (!(attachment = av_malloc(len))) {
4032 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4036 avio_read(pb, attachment, len);
4038 ost = new_attachment_stream(o, oc);
4039 ost->stream_copy = 0;
4040 ost->source_index = -1;
4041 ost->attachment_filename = o->attachments[i];
4042 ost->st->codec->extradata = attachment;
4043 ost->st->codec->extradata_size = len;
4045 p = strrchr(o->attachments[i], '/');
4046 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4050 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4051 output_files[nb_output_files - 1].ctx = oc;
4052 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4053 output_files[nb_output_files - 1].recording_time = o->recording_time;
4054 output_files[nb_output_files - 1].start_time = o->start_time;
4055 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4056 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4058 /* check filename in case of an image number is expected */
4059 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4060 if (!av_filename_number_test(oc->filename)) {
4061 print_error(oc->filename, AVERROR(EINVAL));
4066 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4067 /* test if it already exists to avoid loosing precious files */
4068 assert_file_overwrite(filename);
4071 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
4072 print_error(filename, err);
4077 if (o->mux_preload) {
4079 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4080 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4082 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4084 if (loop_output >= 0) {
4085 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4086 oc->loop_output = loop_output;
4090 if (o->chapters_input_file >= nb_input_files) {
4091 if (o->chapters_input_file == INT_MAX) {
4092 /* copy chapters from the first input file that has them*/
4093 o->chapters_input_file = -1;
4094 for (i = 0; i < nb_input_files; i++)
4095 if (input_files[i].ctx->nb_chapters) {
4096 o->chapters_input_file = i;
4100 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4101 o->chapters_input_file);
4105 if (o->chapters_input_file >= 0)
4106 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4107 !o->metadata_chapters_manual);
4110 for (i = 0; i < o->nb_meta_data_maps; i++) {
4111 AVFormatContext *files[2];
4112 AVDictionary **meta[2];
4115 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
4116 if ((index) < 0 || (index) >= (nb_elems)) {\
4117 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
4122 int in_file_index = o->meta_data_maps[i][1].file;
4123 if (in_file_index < 0)
4125 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
4128 files[1] = input_files[in_file_index].ctx;
4130 for (j = 0; j < 2; j++) {
4131 MetadataMap *map = &o->meta_data_maps[i][j];
4133 switch (map->type) {
4135 meta[j] = &files[j]->metadata;
4138 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
4139 meta[j] = &files[j]->streams[map->index]->metadata;
4142 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
4143 meta[j] = &files[j]->chapters[map->index]->metadata;
4146 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
4147 meta[j] = &files[j]->programs[map->index]->metadata;
4154 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
4157 /* copy global metadata by default */
4158 if (!o->metadata_global_manual && nb_input_files){
4159 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4160 AV_DICT_DONT_OVERWRITE);
4161 if(o->recording_time != INT64_MAX)
4162 av_dict_set(&oc->metadata, "duration", NULL, 0);
4164 if (!o->metadata_streams_manual)
4165 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4167 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4169 ist = &input_streams[output_streams[i].source_index];
4170 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4173 /* process manually set metadata */
4174 for (i = 0; i < o->nb_metadata; i++) {
4179 val = strchr(o->metadata[i].u.str, '=');
4181 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4182 o->metadata[i].u.str);
4187 parse_meta_type(o->metadata[i].specifier, &type, &index);
4193 if (index < 0 || index >= oc->nb_streams) {
4194 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
4197 m = &oc->streams[index]->metadata;
4200 if (index < 0 || index >= oc->nb_chapters) {
4201 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4204 m = &oc->chapters[index]->metadata;
4207 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4211 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4214 reset_options(o, 0);
4217 /* same option as mencoder */
4218 static int opt_pass(const char *opt, const char *arg)
4220 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4224 static int64_t getutime(void)
4227 struct rusage rusage;
4229 getrusage(RUSAGE_SELF, &rusage);
4230 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4231 #elif HAVE_GETPROCESSTIMES
4233 FILETIME c, e, k, u;
4234 proc = GetCurrentProcess();
4235 GetProcessTimes(proc, &c, &e, &k, &u);
4236 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4238 return av_gettime();
4242 static int64_t getmaxrss(void)
4244 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4245 struct rusage rusage;
4246 getrusage(RUSAGE_SELF, &rusage);
4247 return (int64_t)rusage.ru_maxrss * 1024;
4248 #elif HAVE_GETPROCESSMEMORYINFO
4250 PROCESS_MEMORY_COUNTERS memcounters;
4251 proc = GetCurrentProcess();
4252 memcounters.cb = sizeof(memcounters);
4253 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4254 return memcounters.PeakPagefileUsage;
4260 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4262 return parse_option(o, "q:a", arg, options);
4265 static void show_usage(void)
4267 printf("Hyper fast Audio and Video encoder\n");
4268 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4272 static int opt_help(const char *opt, const char *arg)
4274 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4275 av_log_set_callback(log_callback_help);
4277 show_help_options(options, "Main options:\n",
4278 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4279 show_help_options(options, "\nAdvanced options:\n",
4280 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4282 show_help_options(options, "\nVideo options:\n",
4283 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4285 show_help_options(options, "\nAdvanced Video options:\n",
4286 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4287 OPT_VIDEO | OPT_EXPERT);
4288 show_help_options(options, "\nAudio options:\n",
4289 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4291 show_help_options(options, "\nAdvanced Audio options:\n",
4292 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4293 OPT_AUDIO | OPT_EXPERT);
4294 show_help_options(options, "\nSubtitle options:\n",
4295 OPT_SUBTITLE | OPT_GRAB,
4297 show_help_options(options, "\nAudio/Video grab options:\n",
4301 show_help_children(avcodec_get_class(), flags);
4302 show_help_children(avformat_get_class(), flags);
4303 show_help_children(sws_get_class(), flags);
4308 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4310 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4311 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4313 if(!strncmp(arg, "pal-", 4)) {
4316 } else if(!strncmp(arg, "ntsc-", 5)) {
4319 } else if(!strncmp(arg, "film-", 5)) {
4323 /* Try to determine PAL/NTSC by peeking in the input files */
4324 if(nb_input_files) {
4326 for (j = 0; j < nb_input_files; j++) {
4327 for (i = 0; i < input_files[j].nb_streams; i++) {
4328 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4329 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4331 fr = c->time_base.den * 1000 / c->time_base.num;
4335 } else if((fr == 29970) || (fr == 23976)) {
4344 if (norm != UNKNOWN)
4345 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4348 if(norm == UNKNOWN) {
4349 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4350 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4351 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4355 if(!strcmp(arg, "vcd")) {
4356 opt_video_codec(o, "c:v", "mpeg1video");
4357 opt_audio_codec(o, "c:a", "mp2");
4358 parse_option(o, "f", "vcd", options);
4360 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4361 parse_option(o, "r", frame_rates[norm], options);
4362 opt_default("g", norm == PAL ? "15" : "18");
4364 opt_default("b", "1150000");
4365 opt_default("maxrate", "1150000");
4366 opt_default("minrate", "1150000");
4367 opt_default("bufsize", "327680"); // 40*1024*8;
4369 opt_default("b:a", "224000");
4370 parse_option(o, "ar", "44100", options);
4371 parse_option(o, "ac", "2", options);
4373 opt_default("packetsize", "2324");
4374 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4376 /* We have to offset the PTS, so that it is consistent with the SCR.
4377 SCR starts at 36000, but the first two packs contain only padding
4378 and the first pack from the other stream, respectively, may also have
4379 been written before.
4380 So the real data starts at SCR 36000+3*1200. */
4381 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4382 } else if(!strcmp(arg, "svcd")) {
4384 opt_video_codec(o, "c:v", "mpeg2video");
4385 opt_audio_codec(o, "c:a", "mp2");
4386 parse_option(o, "f", "svcd", options);
4388 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4389 parse_option(o, "r", frame_rates[norm], options);
4390 parse_option(o, "pix_fmt", "yuv420p", options);
4391 opt_default("g", norm == PAL ? "15" : "18");
4393 opt_default("b", "2040000");
4394 opt_default("maxrate", "2516000");
4395 opt_default("minrate", "0"); //1145000;
4396 opt_default("bufsize", "1835008"); //224*1024*8;
4397 opt_default("flags", "+scan_offset");
4400 opt_default("b:a", "224000");
4401 parse_option(o, "ar", "44100", options);
4403 opt_default("packetsize", "2324");
4405 } else if(!strcmp(arg, "dvd")) {
4407 opt_video_codec(o, "c:v", "mpeg2video");
4408 opt_audio_codec(o, "c:a", "ac3");
4409 parse_option(o, "f", "dvd", options);
4411 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4412 parse_option(o, "r", frame_rates[norm], options);
4413 parse_option(o, "pix_fmt", "yuv420p", options);
4414 opt_default("g", norm == PAL ? "15" : "18");
4416 opt_default("b", "6000000");
4417 opt_default("maxrate", "9000000");
4418 opt_default("minrate", "0"); //1500000;
4419 opt_default("bufsize", "1835008"); //224*1024*8;
4421 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4422 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4424 opt_default("b:a", "448000");
4425 parse_option(o, "ar", "48000", options);
4427 } else if(!strncmp(arg, "dv", 2)) {
4429 parse_option(o, "f", "dv", options);
4431 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4432 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4433 norm == PAL ? "yuv420p" : "yuv411p", options);
4434 parse_option(o, "r", frame_rates[norm], options);
4436 parse_option(o, "ar", "48000", options);
4437 parse_option(o, "ac", "2", options);
4440 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4441 return AVERROR(EINVAL);
4446 static int opt_vstats_file(const char *opt, const char *arg)
4448 av_free (vstats_filename);
4449 vstats_filename=av_strdup (arg);
4453 static int opt_vstats(const char *opt, const char *arg)
4456 time_t today2 = time(NULL);
4457 struct tm *today = localtime(&today2);
4459 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4461 return opt_vstats_file(opt, filename);
4464 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4466 return parse_option(o, "frames:v", arg, options);
4469 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4471 return parse_option(o, "frames:a", arg, options);
4474 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4476 return parse_option(o, "frames:d", arg, options);
4479 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4482 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4483 const char *codec_name = *opt == 'v' ? video_codec_name :
4484 *opt == 'a' ? audio_codec_name :
4485 subtitle_codec_name;
4487 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4488 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4489 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4491 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4496 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4497 if(line[0] == '#' && !e)
4499 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4501 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4504 if(!strcmp(tmp, "acodec")){
4505 opt_audio_codec(o, tmp, tmp2);
4506 }else if(!strcmp(tmp, "vcodec")){
4507 opt_video_codec(o, tmp, tmp2);
4508 }else if(!strcmp(tmp, "scodec")){
4509 opt_subtitle_codec(o, tmp, tmp2);
4510 }else if(!strcmp(tmp, "dcodec")){
4511 opt_data_codec(o, tmp, tmp2);
4512 }else if(opt_default(tmp, tmp2) < 0){
4513 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4523 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4527 static int opt_passlogfile(const char *opt, const char *arg)
4529 pass_logfilename_prefix = arg;
4530 #if CONFIG_LIBX264_ENCODER
4531 return opt_default("passlogfile", arg);
4537 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4539 char *s= av_malloc(strlen(opt)+2);
4540 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4541 return parse_option(o, s, arg, options);
4544 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4546 if(!strcmp(opt, "b")){
4547 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4548 return parse_option(o, av_strdup("b:v"), arg, options);
4550 return opt_default(opt, arg);
4553 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4555 return parse_option(o, "filter:v", arg, options);
4558 #define OFFSET(x) offsetof(OptionsContext, x)
4559 static const OptionDef options[] = {
4561 #include "cmdutils_common_opts.h"
4562 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4563 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4564 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4565 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4566 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4567 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4568 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4569 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
4570 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4571 "outfile[,metadata]:infile[,metadata]" },
4572 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4573 "outfile[,metadata]:infile[,metadata]" },
4574 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4575 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4576 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4577 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4578 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4579 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4580 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4581 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4582 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4583 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4584 "add timings for benchmarking" },
4585 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4586 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4587 "dump each input packet" },
4588 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4589 "when dumping packets, also dump the payload" },
4590 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4591 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4592 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4593 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4594 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4595 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4596 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4597 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4598 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4599 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4600 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4601 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4602 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4603 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4604 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4605 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4606 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4608 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4610 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4611 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4612 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4615 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4616 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4617 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4618 { "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" },
4619 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4620 { "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" },
4621 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4622 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4623 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4624 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4625 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4626 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4627 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4628 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4629 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4630 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4631 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4632 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4633 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4634 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4635 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4636 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4637 "use same quantizer as source (implies VBR)" },
4638 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4639 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4640 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4641 "deinterlace pictures" },
4642 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4643 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4644 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4646 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4648 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4649 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4650 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4651 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4652 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4653 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4654 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4655 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4656 { "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" },
4657 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4660 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4661 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4662 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4663 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4664 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4665 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4666 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4667 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4668 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4669 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4671 /* subtitle options */
4672 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4673 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4674 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4677 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4678 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4679 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4682 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4683 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4685 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4686 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4687 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4689 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4690 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4691 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4692 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4693 /* data codec support */
4694 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4696 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4700 int main(int argc, char **argv)
4702 OptionsContext o = { 0 };
4705 reset_options(&o, 0);
4707 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4708 parse_loglevel(argc, argv, options);
4710 if(argc>1 && !strcmp(argv[1], "-d")){
4712 av_log_set_callback(log_callback_null);
4717 avcodec_register_all();
4719 avdevice_register_all();
4722 avfilter_register_all();
4725 avformat_network_init();
4728 if(isatty(STDIN_FILENO))
4729 avio_set_interrupt_cb(decode_interrupt_cb);
4737 parse_options(&o, argc, argv, options, opt_output_file);
4739 if(nb_output_files <= 0 && nb_input_files == 0) {
4741 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4745 /* file converter / grab */
4746 if (nb_output_files <= 0) {
4747 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4751 if (nb_input_files == 0) {
4752 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4757 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4759 ti = getutime() - ti;
4761 int maxrss = getmaxrss() / 1024;
4762 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);