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 *ctx)
640 return received_nb_signals > 1;
643 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
645 void av_noreturn exit_program(int ret)
650 for(i=0;i<nb_output_files;i++) {
651 AVFormatContext *s = output_files[i].ctx;
652 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
654 avformat_free_context(s);
655 av_dict_free(&output_files[i].opts);
657 for(i=0;i<nb_input_files;i++) {
658 av_close_input_file(input_files[i].ctx);
660 for (i = 0; i < nb_input_streams; i++)
661 av_dict_free(&input_streams[i].opts);
665 av_free(vstats_filename);
667 av_freep(&input_streams);
668 av_freep(&input_files);
669 av_freep(&output_streams);
670 av_freep(&output_files);
675 allocated_audio_buf_size= allocated_audio_out_size= 0;
681 avformat_network_deinit();
683 av_freep(&input_tmp);
685 if (received_sigterm) {
686 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
687 (int) received_sigterm);
691 exit(ret); /* not all OS-es handle main() return value */
694 static void assert_avoptions(AVDictionary *m)
696 AVDictionaryEntry *t;
697 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
698 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
703 static void assert_codec_experimental(AVCodecContext *c, int encoder)
705 const char *codec_string = encoder ? "encoder" : "decoder";
707 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
708 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
709 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
710 "results.\nAdd '-strict experimental' if you want to use it.\n",
711 codec_string, c->codec->name);
712 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
713 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
714 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
715 codec_string, codec->name);
720 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
722 if(codec && codec->sample_fmts){
723 const enum AVSampleFormat *p= codec->sample_fmts;
725 if(*p == st->codec->sample_fmt)
729 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
730 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
731 if(av_get_sample_fmt_name(st->codec->sample_fmt))
732 av_log(NULL, AV_LOG_WARNING,
733 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
734 av_get_sample_fmt_name(st->codec->sample_fmt),
736 av_get_sample_fmt_name(codec->sample_fmts[0]));
737 st->codec->sample_fmt = codec->sample_fmts[0];
742 static void choose_sample_rate(AVStream *st, AVCodec *codec)
744 if(codec && codec->supported_samplerates){
745 const int *p= codec->supported_samplerates;
747 int best_dist=INT_MAX;
749 int dist= abs(st->codec->sample_rate - *p);
750 if(dist < best_dist){
756 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
758 st->codec->sample_rate= best;
762 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
764 if(codec && codec->pix_fmts){
765 const enum PixelFormat *p= codec->pix_fmts;
766 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
767 if(st->codec->codec_id==CODEC_ID_MJPEG){
768 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
769 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
770 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};
773 for (; *p != PIX_FMT_NONE; p++) {
774 if(*p == st->codec->pix_fmt)
777 if (*p == PIX_FMT_NONE) {
778 if(st->codec->pix_fmt != PIX_FMT_NONE)
779 av_log(NULL, AV_LOG_WARNING,
780 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
781 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
783 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
784 st->codec->pix_fmt = codec->pix_fmts[0];
789 static double get_sync_ipts(const OutputStream *ost)
791 const InputStream *ist = ost->sync_ist;
792 OutputFile *of = &output_files[ost->file_index];
793 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
796 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
801 AVPacket new_pkt= *pkt;
802 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
803 &new_pkt.data, &new_pkt.size,
804 pkt->data, pkt->size,
805 pkt->flags & AV_PKT_FLAG_KEY);
808 new_pkt.destruct= av_destruct_packet;
810 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
811 bsfc->filter->name, pkt->stream_index,
812 avctx->codec ? avctx->codec->name : "copy");
822 ret= av_interleaved_write_frame(s, pkt);
824 print_error("av_interleaved_write_frame()", ret);
829 static void do_audio_out(AVFormatContext *s,
832 unsigned char *buf, int size)
835 int64_t audio_out_size, audio_buf_size;
836 int64_t allocated_for_size= size;
838 int size_out, frame_bytes, ret, resample_changed;
839 AVCodecContext *enc= ost->st->codec;
840 AVCodecContext *dec= ist->st->codec;
841 int osize = av_get_bytes_per_sample(enc->sample_fmt);
842 int isize = av_get_bytes_per_sample(dec->sample_fmt);
843 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
846 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
847 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
848 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
849 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
850 audio_buf_size*= osize*enc->channels;
852 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
853 if(coded_bps > 8*osize)
854 audio_out_size= audio_out_size * coded_bps / (8*osize);
855 audio_out_size += FF_MIN_BUFFER_SIZE;
857 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
858 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
862 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
863 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
864 if (!audio_buf || !audio_out){
865 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
869 if (enc->channels != dec->channels
870 || enc->sample_fmt != dec->sample_fmt)
871 ost->audio_resample = 1;
873 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
874 ost->resample_channels != dec->channels ||
875 ost->resample_sample_rate != dec->sample_rate;
877 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
878 if (resample_changed) {
879 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",
880 ist->file_index, ist->st->index,
881 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
882 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
883 ost->resample_sample_fmt = dec->sample_fmt;
884 ost->resample_channels = dec->channels;
885 ost->resample_sample_rate = dec->sample_rate;
888 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
889 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
890 ost->resample_sample_fmt == enc->sample_fmt &&
891 ost->resample_channels == enc->channels &&
892 ost->resample_sample_rate == enc->sample_rate) {
894 ost->audio_resample = 0;
896 ost->swr = swr_alloc_set_opts(ost->swr,
897 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
898 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
900 if (ost->audio_channels_mapped)
901 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
902 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
903 if (ost->audio_channels_mapped) {
904 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
905 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
907 av_opt_set_int(ost->swr, "ich", dec->channels, 0);
908 av_opt_set_int(ost->swr, "och", enc->channels, 0);
909 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
910 if(ost->swr && swr_init(ost->swr) < 0){
911 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
916 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
917 dec->channels, dec->sample_rate,
918 enc->channels, enc->sample_rate);
924 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
926 if(audio_sync_method){
927 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
928 - av_fifo_size(ost->fifo)/(enc->channels * 2);
929 double idelta= delta*dec->sample_rate / enc->sample_rate;
930 int byte_delta= ((int)idelta)*2*dec->channels;
932 //FIXME resample delay
933 if(fabs(delta) > 50){
934 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
936 byte_delta= FFMAX(byte_delta, -size);
939 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
944 input_tmp= av_realloc(input_tmp, byte_delta + size);
946 if(byte_delta > allocated_for_size - size){
947 allocated_for_size= byte_delta + (int64_t)size;
952 memset(input_tmp, 0, byte_delta);
953 memcpy(input_tmp + byte_delta, buf, size);
956 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
958 }else if(audio_sync_method>1){
959 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
960 av_assert0(ost->audio_resample);
961 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
962 delta, comp, enc->sample_rate);
963 // 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));
964 swr_compensate(ost->swr, comp, enc->sample_rate);
968 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
969 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
971 if (ost->audio_resample) {
973 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
974 (const uint8_t*[]){buf }, size / (dec->channels * isize));
975 size_out = size_out * enc->channels * osize;
981 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
983 /* now encode as many frames as possible */
984 if (enc->frame_size > 1) {
985 /* output resampled raw samples */
986 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
987 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
990 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
992 frame_bytes = enc->frame_size * osize * enc->channels;
994 while (av_fifo_size(ost->fifo) >= frame_bytes) {
996 av_init_packet(&pkt);
998 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1000 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1002 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1003 (short *)audio_buf);
1005 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1009 pkt.stream_index= ost->index;
1010 pkt.data= audio_out;
1012 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1013 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1014 pkt.flags |= AV_PKT_FLAG_KEY;
1015 write_frame(s, &pkt, enc, ost->bitstream_filters);
1017 ost->sync_opts += enc->frame_size;
1021 av_init_packet(&pkt);
1023 ost->sync_opts += size_out / (osize * enc->channels);
1025 /* output a pcm frame */
1026 /* determine the size of the coded buffer */
1029 size_out = size_out*coded_bps/8;
1031 if(size_out > audio_out_size){
1032 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1036 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1037 ret = avcodec_encode_audio(enc, audio_out, size_out,
1040 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1044 pkt.stream_index= ost->index;
1045 pkt.data= audio_out;
1047 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1048 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1049 pkt.flags |= AV_PKT_FLAG_KEY;
1050 write_frame(s, &pkt, enc, ost->bitstream_filters);
1054 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1056 AVCodecContext *dec;
1057 AVPicture *picture2;
1058 AVPicture picture_tmp;
1061 dec = ist->st->codec;
1063 /* deinterlace : must be done before any resize */
1064 if (do_deinterlace) {
1067 /* create temporary picture */
1068 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1069 buf = av_malloc(size);
1073 picture2 = &picture_tmp;
1074 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1076 if(avpicture_deinterlace(picture2, picture,
1077 dec->pix_fmt, dec->width, dec->height) < 0) {
1078 /* if error, do not deinterlace */
1079 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1088 if (picture != picture2)
1089 *picture = *picture2;
1093 static void do_subtitle_out(AVFormatContext *s,
1099 static uint8_t *subtitle_out = NULL;
1100 int subtitle_out_max_size = 1024 * 1024;
1101 int subtitle_out_size, nb, i;
1102 AVCodecContext *enc;
1105 if (pts == AV_NOPTS_VALUE) {
1106 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1112 enc = ost->st->codec;
1114 if (!subtitle_out) {
1115 subtitle_out = av_malloc(subtitle_out_max_size);
1118 /* Note: DVB subtitle need one packet to draw them and one other
1119 packet to clear them */
1120 /* XXX: signal it in the codec context ? */
1121 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1126 for(i = 0; i < nb; i++) {
1127 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1128 // start_display_time is required to be 0
1129 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1130 sub->end_display_time -= sub->start_display_time;
1131 sub->start_display_time = 0;
1132 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1133 subtitle_out_max_size, sub);
1134 if (subtitle_out_size < 0) {
1135 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1139 av_init_packet(&pkt);
1140 pkt.stream_index = ost->index;
1141 pkt.data = subtitle_out;
1142 pkt.size = subtitle_out_size;
1143 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1144 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1145 /* XXX: the pts correction is handled here. Maybe handling
1146 it in the codec would be better */
1148 pkt.pts += 90 * sub->start_display_time;
1150 pkt.pts += 90 * sub->end_display_time;
1152 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1156 static int bit_buffer_size= 1024*256;
1157 static uint8_t *bit_buffer= NULL;
1159 static void do_video_resample(OutputStream *ost,
1161 AVFrame *in_picture,
1162 AVFrame **out_picture)
1165 *out_picture = in_picture;
1167 AVCodecContext *dec = ist->st->codec;
1168 AVCodecContext *enc = ost->st->codec;
1169 int resample_changed = ost->resample_width != dec->width ||
1170 ost->resample_height != dec->height ||
1171 ost->resample_pix_fmt != dec->pix_fmt;
1173 *out_picture = in_picture;
1174 if (resample_changed) {
1175 av_log(NULL, AV_LOG_INFO,
1176 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1177 ist->file_index, ist->st->index,
1178 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1179 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1180 ost->resample_width = dec->width;
1181 ost->resample_height = dec->height;
1182 ost->resample_pix_fmt = dec->pix_fmt;
1185 ost->video_resample = dec->width != enc->width ||
1186 dec->height != enc->height ||
1187 dec->pix_fmt != enc->pix_fmt;
1189 if (ost->video_resample) {
1190 *out_picture = &ost->resample_frame;
1191 if (!ost->img_resample_ctx || resample_changed) {
1192 /* initialize the destination picture */
1193 if (!ost->resample_frame.data[0]) {
1194 avcodec_get_frame_defaults(&ost->resample_frame);
1195 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1196 enc->width, enc->height)) {
1197 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1201 /* initialize a new scaler context */
1202 sws_freeContext(ost->img_resample_ctx);
1203 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1204 enc->width, enc->height, enc->pix_fmt,
1205 ost->sws_flags, NULL, NULL, NULL);
1206 if (ost->img_resample_ctx == NULL) {
1207 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1211 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1212 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1218 static void do_video_out(AVFormatContext *s,
1221 AVFrame *in_picture,
1222 int *frame_size, float quality)
1224 int nb_frames, i, ret, format_video_sync;
1225 AVFrame *final_picture;
1226 AVCodecContext *enc;
1228 double duration = 0;
1230 enc = ost->st->codec;
1232 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1233 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1234 if(ist->st->avg_frame_rate.num)
1235 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1237 duration /= av_q2d(enc->time_base);
1240 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1242 /* by default, we output a single frame */
1247 format_video_sync = video_sync_method;
1248 if (format_video_sync < 0)
1249 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 : 2) : 1;
1251 if (format_video_sync) {
1252 double vdelta = sync_ipts - ost->sync_opts + duration;
1253 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1256 else if (format_video_sync == 2) {
1259 }else if(vdelta>0.6)
1260 ost->sync_opts= lrintf(sync_ipts);
1261 }else if (vdelta > 1.1)
1262 nb_frames = lrintf(vdelta);
1263 //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);
1264 if (nb_frames == 0){
1266 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1267 }else if (nb_frames > 1) {
1268 nb_frames_dup += nb_frames - 1;
1269 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1272 ost->sync_opts= lrintf(sync_ipts);
1274 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1278 do_video_resample(ost, ist, in_picture, &final_picture);
1280 /* duplicates frame if needed */
1281 for(i=0;i<nb_frames;i++) {
1283 av_init_packet(&pkt);
1284 pkt.stream_index= ost->index;
1286 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1287 /* raw pictures are written as AVPicture structure to
1288 avoid any copies. We support temporarily the older
1290 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1291 enc->coded_frame->top_field_first = in_picture->top_field_first;
1292 pkt.data= (uint8_t *)final_picture;
1293 pkt.size= sizeof(AVPicture);
1294 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1295 pkt.flags |= AV_PKT_FLAG_KEY;
1297 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1299 AVFrame big_picture;
1301 big_picture= *final_picture;
1302 /* better than nothing: use input picture interlaced
1304 big_picture.interlaced_frame = in_picture->interlaced_frame;
1305 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1306 if (ost->top_field_first == -1)
1307 big_picture.top_field_first = in_picture->top_field_first;
1309 big_picture.top_field_first = !!ost->top_field_first;
1312 /* handles same_quant here. This is not correct because it may
1313 not be a global option */
1314 big_picture.quality = quality;
1315 if (!enc->me_threshold)
1316 big_picture.pict_type = 0;
1317 // big_picture.pts = AV_NOPTS_VALUE;
1318 big_picture.pts= ost->sync_opts;
1319 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1320 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1321 if (ost->forced_kf_index < ost->forced_kf_count &&
1322 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1323 big_picture.pict_type = AV_PICTURE_TYPE_I;
1324 ost->forced_kf_index++;
1326 ret = avcodec_encode_video(enc,
1327 bit_buffer, bit_buffer_size,
1330 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1335 pkt.data= bit_buffer;
1337 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1338 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1339 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1340 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1341 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1343 if(enc->coded_frame->key_frame)
1344 pkt.flags |= AV_PKT_FLAG_KEY;
1345 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1348 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1349 // enc->frame_number-1, ret, enc->pict_type);
1350 /* if two pass, output log */
1351 if (ost->logfile && enc->stats_out) {
1352 fprintf(ost->logfile, "%s", enc->stats_out);
1357 ost->frame_number++;
1361 static double psnr(double d)
1363 return -10.0*log(d)/log(10.0);
1366 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1369 AVCodecContext *enc;
1371 double ti1, bitrate, avg_bitrate;
1373 /* this is executed just the first time do_video_stats is called */
1375 vstats_file = fopen(vstats_filename, "w");
1382 enc = ost->st->codec;
1383 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1384 frame_number = ost->frame_number;
1385 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1386 if (enc->flags&CODEC_FLAG_PSNR)
1387 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1389 fprintf(vstats_file,"f_size= %6d ", frame_size);
1390 /* compute pts value */
1391 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1395 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1396 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1397 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1398 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1399 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1403 static void print_report(OutputFile *output_files,
1404 OutputStream *ost_table, int nb_ostreams,
1405 int is_last_report, int64_t timer_start, int64_t cur_time)
1409 AVFormatContext *oc;
1411 AVCodecContext *enc;
1412 int frame_number, vid, i;
1414 int64_t pts = INT64_MAX;
1415 static int64_t last_time = -1;
1416 static int qp_histogram[52];
1417 int hours, mins, secs, us;
1419 if (!print_stats && !is_last_report)
1422 if (!is_last_report) {
1423 if (last_time == -1) {
1424 last_time = cur_time;
1427 if ((cur_time - last_time) < 500000)
1429 last_time = cur_time;
1433 oc = output_files[0].ctx;
1435 total_size = avio_size(oc->pb);
1436 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1437 total_size= avio_tell(oc->pb);
1441 for(i=0;i<nb_ostreams;i++) {
1443 ost = &ost_table[i];
1444 enc = ost->st->codec;
1445 if (!ost->stream_copy && enc->coded_frame)
1446 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1447 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1450 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1451 float t = (cur_time-timer_start) / 1000000.0;
1453 frame_number = ost->frame_number;
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1455 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1457 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1461 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1464 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1466 if (enc->flags&CODEC_FLAG_PSNR){
1468 double error, error_sum=0;
1469 double scale, scale_sum=0;
1470 char type[3]= {'Y','U','V'};
1471 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1474 error= enc->error[j];
1475 scale= enc->width*enc->height*255.0*255.0*frame_number;
1477 error= enc->coded_frame->error[j];
1478 scale= enc->width*enc->height*255.0*255.0;
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1485 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1489 /* compute min output value */
1490 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1491 ost->st->time_base, AV_TIME_BASE_Q));
1494 secs = pts / AV_TIME_BASE;
1495 us = pts % AV_TIME_BASE;
1501 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1503 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1504 "size=%8.0fkB time=", total_size / 1024.0);
1505 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1506 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1507 (100 * us) / AV_TIME_BASE);
1508 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1509 "bitrate=%6.1fkbits/s", bitrate);
1511 if (nb_frames_dup || nb_frames_drop)
1512 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1513 nb_frames_dup, nb_frames_drop);
1515 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1519 if (is_last_report) {
1520 int64_t raw= audio_size + video_size + extra_size;
1521 av_log(NULL, AV_LOG_INFO, "\n");
1522 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1526 100.0*(total_size - raw)/raw
1531 static void generate_silence(uint8_t *buf, enum AVSampleFormat sample_fmt, size_t size)
1533 int fill_char = 0x00;
1534 if (sample_fmt == AV_SAMPLE_FMT_U8)
1536 memset(buf, fill_char, size);
1539 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1543 for (i = 0; i < nb_ostreams; i++) {
1544 OutputStream *ost = &ost_table[i];
1545 AVCodecContext *enc = ost->st->codec;
1546 AVFormatContext *os = output_files[ost->file_index].ctx;
1548 if (!ost->encoding_needed)
1551 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1553 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1559 av_init_packet(&pkt);
1560 pkt.stream_index= ost->index;
1562 switch (ost->st->codec->codec_type) {
1563 case AVMEDIA_TYPE_AUDIO:
1564 fifo_bytes = av_fifo_size(ost->fifo);
1566 /* encode any samples remaining in fifo */
1567 if (fifo_bytes > 0) {
1568 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1569 int fs_tmp = enc->frame_size;
1571 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1572 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1573 enc->frame_size = fifo_bytes / (osize * enc->channels);
1575 int frame_bytes = enc->frame_size*osize*enc->channels;
1576 if (allocated_audio_buf_size < frame_bytes)
1578 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1581 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1582 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1583 ost->st->time_base.num, enc->sample_rate);
1584 enc->frame_size = fs_tmp;
1587 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1590 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1594 pkt.flags |= AV_PKT_FLAG_KEY;
1596 case AVMEDIA_TYPE_VIDEO:
1597 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1599 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1603 if(enc->coded_frame && enc->coded_frame->key_frame)
1604 pkt.flags |= AV_PKT_FLAG_KEY;
1605 if (ost->logfile && enc->stats_out) {
1606 fprintf(ost->logfile, "%s", enc->stats_out);
1615 pkt.data = bit_buffer;
1617 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1618 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1619 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1625 * Check whether a packet from ist should be written into ost at this time
1627 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1629 OutputFile *of = &output_files[ost->file_index];
1630 int ist_index = ist - input_streams;
1632 if (ost->source_index != ist_index)
1635 if (of->start_time && ist->pts < of->start_time)
1638 if (of->recording_time != INT64_MAX &&
1639 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1640 (AVRational){1, 1000000}) >= 0) {
1641 ost->is_past_recording_time = 1;
1648 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1650 OutputFile *of = &output_files[ost->file_index];
1651 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1655 av_init_packet(&opkt);
1657 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1658 !ost->copy_initial_nonkeyframes)
1661 /* force the input stream PTS */
1662 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1663 audio_size += pkt->size;
1664 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1665 video_size += pkt->size;
1669 opkt.stream_index = ost->index;
1670 if (pkt->pts != AV_NOPTS_VALUE)
1671 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1673 opkt.pts = AV_NOPTS_VALUE;
1675 if (pkt->dts == AV_NOPTS_VALUE)
1676 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1678 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1679 opkt.dts -= ost_tb_start_time;
1681 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1682 opkt.flags = pkt->flags;
1684 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1685 if( ost->st->codec->codec_id != CODEC_ID_H264
1686 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1687 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1689 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1690 opkt.destruct = av_destruct_packet;
1692 opkt.data = pkt->data;
1693 opkt.size = pkt->size;
1695 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1696 /* store AVPicture in AVPacket, as expected by the output format */
1697 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1698 opkt.data = (uint8_t *)&pict;
1699 opkt.size = sizeof(AVPicture);
1700 opkt.flags |= AV_PKT_FLAG_KEY;
1703 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1704 ost->st->codec->frame_number++;
1705 ost->frame_number++;
1706 av_free_packet(&opkt);
1709 static void rate_emu_sleep(InputStream *ist)
1711 if (input_files[ist->file_index].rate_emu) {
1712 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1713 int64_t now = av_gettime() - ist->start;
1719 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1721 static unsigned int samples_size = 0;
1722 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1723 uint8_t *decoded_data_buf = NULL;
1724 int decoded_data_size = 0;
1727 if (pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1729 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1730 samples = av_malloc(samples_size);
1732 decoded_data_size = samples_size;
1734 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1738 *got_output = decoded_data_size > 0;
1740 /* Some bug in mpeg audio decoder gives */
1741 /* decoded_data_size < 0, it seems they are overflows */
1743 /* no audio frame */
1747 decoded_data_buf = (uint8_t *)samples;
1748 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1749 (ist->st->codec->sample_rate * ist->st->codec->channels);
1751 // preprocess audio (volume)
1752 if (audio_volume != 256) {
1753 switch (ist->st->codec->sample_fmt) {
1754 case AV_SAMPLE_FMT_U8:
1756 uint8_t *volp = samples;
1757 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1758 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1759 *volp++ = av_clip_uint8(v);
1763 case AV_SAMPLE_FMT_S16:
1765 int16_t *volp = samples;
1766 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1767 int v = ((*volp) * audio_volume + 128) >> 8;
1768 *volp++ = av_clip_int16(v);
1772 case AV_SAMPLE_FMT_S32:
1774 int32_t *volp = samples;
1775 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1776 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1777 *volp++ = av_clipl_int32(v);
1781 case AV_SAMPLE_FMT_FLT:
1783 float *volp = samples;
1784 float scale = audio_volume / 256.f;
1785 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1790 case AV_SAMPLE_FMT_DBL:
1792 double *volp = samples;
1793 double scale = audio_volume / 256.;
1794 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1800 av_log(NULL, AV_LOG_FATAL,
1801 "Audio volume adjustment on sample format %s is not supported.\n",
1802 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1807 rate_emu_sleep(ist);
1809 for (i = 0; i < nb_output_streams; i++) {
1810 OutputStream *ost = &output_streams[i];
1812 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1814 do_audio_out(output_files[ost->file_index].ctx, ost, ist,
1815 decoded_data_buf, decoded_data_size);
1820 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
1822 AVFrame *decoded_frame, *filtered_frame = NULL;
1823 void *buffer_to_free = NULL;
1827 int frame_available = 1;
1830 if (!(decoded_frame = avcodec_alloc_frame()))
1831 return AVERROR(ENOMEM);
1832 pkt->pts = *pkt_pts;
1833 pkt->dts = *pkt_dts;
1834 *pkt_pts = AV_NOPTS_VALUE;
1836 if(*pkt_dts != AV_NOPTS_VALUE && ist->st->codec->time_base.num != 0) {
1837 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1838 *pkt_dts += ((int64_t)AV_TIME_BASE *
1839 ist->st->codec->time_base.num * ticks) /
1840 ist->st->codec->time_base.den;
1842 *pkt_dts = AV_NOPTS_VALUE;
1844 ret = avcodec_decode_video2(ist->st->codec,
1845 decoded_frame, got_output, pkt);
1849 quality = same_quant ? decoded_frame->quality : 0;
1851 /* no picture yet */
1852 av_freep(&decoded_frame);
1856 if(decoded_frame->best_effort_timestamp != AV_NOPTS_VALUE)
1857 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1859 if (ist->st->codec->time_base.num != 0) {
1860 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1861 ist->st->codec->ticks_per_frame;
1862 ist->next_pts += ((int64_t)AV_TIME_BASE *
1863 ist->st->codec->time_base.num * ticks) /
1864 ist->st->codec->time_base.den;
1868 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1871 for(i=0;i<nb_output_streams;i++) {
1872 OutputStream *ost = ost = &output_streams[i];
1873 if(check_output_constraints(ist, ost)){
1874 if (!decoded_frame->sample_aspect_ratio.num)
1875 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1876 decoded_frame->pts = ist->pts;
1878 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1883 rate_emu_sleep(ist);
1885 for (i = 0; i < nb_output_streams; i++) {
1886 OutputStream *ost = &output_streams[i];
1889 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1893 if (ost->input_video_filter) {
1894 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1896 while (frame_available) {
1897 if (ost->output_video_filter) {
1898 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1899 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1901 if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
1902 ret = AVERROR(ENOMEM);
1905 *filtered_frame= *decoded_frame; //for me_threshold
1907 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1908 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1911 if (ost->picref->video && !ost->frame_aspect_ratio)
1912 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1914 filtered_frame = decoded_frame;
1917 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1918 same_quant ? quality : ost->st->codec->global_quality);
1919 if (vstats_filename && frame_size)
1920 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1923 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1924 avfilter_unref_buffer(ost->picref);
1926 av_freep(&filtered_frame);
1931 av_free(buffer_to_free);
1932 av_freep(&decoded_frame);
1936 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1938 AVSubtitle subtitle;
1939 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1940 &subtitle, got_output, pkt);
1946 rate_emu_sleep(ist);
1948 for (i = 0; i < nb_output_streams; i++) {
1949 OutputStream *ost = &output_streams[i];
1951 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1954 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
1957 avsubtitle_free(&subtitle);
1961 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1962 static int output_packet(InputStream *ist,
1963 OutputStream *ost_table, int nb_ostreams,
1964 const AVPacket *pkt)
1968 int64_t pkt_dts = AV_NOPTS_VALUE;
1969 int64_t pkt_pts = AV_NOPTS_VALUE;
1973 if (ist->next_pts == AV_NOPTS_VALUE)
1974 ist->next_pts = ist->pts;
1978 av_init_packet(&avpkt);
1986 if(pkt->dts != AV_NOPTS_VALUE){
1987 if(ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1988 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1989 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1991 if(pkt->pts != AV_NOPTS_VALUE)
1992 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1994 //while we have more to decode or while the decoder did output something on EOF
1995 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1998 ist->pts = ist->next_pts;
2000 if (avpkt.size && avpkt.size != pkt->size) {
2001 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2002 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2003 ist->showed_multi_packet_warning = 1;
2006 switch(ist->st->codec->codec_type) {
2007 case AVMEDIA_TYPE_AUDIO:
2008 ret = transcode_audio (ist, &avpkt, &got_output);
2010 case AVMEDIA_TYPE_VIDEO:
2011 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2013 case AVMEDIA_TYPE_SUBTITLE:
2014 ret = transcode_subtitles(ist, &avpkt, &got_output);
2022 // touch data and size only if not EOF
2024 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2034 /* handle stream copy */
2035 if (!ist->decoding_needed) {
2036 rate_emu_sleep(ist);
2037 switch (ist->st->codec->codec_type) {
2038 case AVMEDIA_TYPE_AUDIO:
2039 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2040 ist->st->codec->sample_rate;
2042 case AVMEDIA_TYPE_VIDEO:
2043 if (ist->st->codec->time_base.num != 0) {
2044 int ticks = ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2045 ist->next_pts += ((int64_t)AV_TIME_BASE *
2046 ist->st->codec->time_base.num * ticks) /
2047 ist->st->codec->time_base.den;
2052 for (i = 0; pkt && i < nb_ostreams; i++) {
2053 OutputStream *ost = &ost_table[i];
2055 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2058 do_streamcopy(ist, ost, pkt);
2064 static void print_sdp(OutputFile *output_files, int n)
2068 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2072 for (i = 0; i < n; i++)
2073 avc[i] = output_files[i].ctx;
2075 av_sdp_create(avc, n, sdp, sizeof(sdp));
2076 printf("SDP:\n%s\n", sdp);
2081 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2082 char *error, int error_len)
2084 InputStream *ist = &input_streams[ist_index];
2085 if (ist->decoding_needed) {
2086 AVCodec *codec = ist->dec;
2088 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2089 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2090 return AVERROR(EINVAL);
2092 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2093 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2094 ist->file_index, ist->st->index);
2095 return AVERROR(EINVAL);
2097 assert_codec_experimental(ist->st->codec, 0);
2098 assert_avoptions(ist->opts);
2101 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;
2102 ist->next_pts = AV_NOPTS_VALUE;
2108 static int transcode_init(OutputFile *output_files, int nb_output_files,
2109 InputFile *input_files, int nb_input_files)
2111 int ret = 0, i, j, k;
2112 AVFormatContext *oc;
2113 AVCodecContext *codec, *icodec;
2119 /* init framerate emulation */
2120 for (i = 0; i < nb_input_files; i++) {
2121 InputFile *ifile = &input_files[i];
2122 if (ifile->rate_emu)
2123 for (j = 0; j < ifile->nb_streams; j++)
2124 input_streams[j + ifile->ist_index].start = av_gettime();
2127 /* output stream init */
2128 for (i = 0; i < nb_output_files; i++) {
2129 oc = output_files[i].ctx;
2130 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2131 av_dump_format(oc, i, oc->filename, 1);
2132 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2133 return AVERROR(EINVAL);
2137 /* for each output stream, we compute the right encoding parameters */
2138 for (i = 0; i < nb_output_streams; i++) {
2139 ost = &output_streams[i];
2140 oc = output_files[ost->file_index].ctx;
2141 ist = &input_streams[ost->source_index];
2143 if (ost->attachment_filename)
2146 codec = ost->st->codec;
2147 icodec = ist->st->codec;
2149 ost->st->disposition = ist->st->disposition;
2150 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2151 codec->chroma_sample_location = icodec->chroma_sample_location;
2153 if (ost->stream_copy) {
2154 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2156 if (extra_size > INT_MAX) {
2157 return AVERROR(EINVAL);
2160 /* if stream_copy is selected, no need to decode or encode */
2161 codec->codec_id = icodec->codec_id;
2162 codec->codec_type = icodec->codec_type;
2164 if (!codec->codec_tag) {
2165 if (!oc->oformat->codec_tag ||
2166 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2167 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2168 codec->codec_tag = icodec->codec_tag;
2171 codec->bit_rate = icodec->bit_rate;
2172 codec->rc_max_rate = icodec->rc_max_rate;
2173 codec->rc_buffer_size = icodec->rc_buffer_size;
2174 codec->extradata = av_mallocz(extra_size);
2175 if (!codec->extradata) {
2176 return AVERROR(ENOMEM);
2178 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2179 codec->extradata_size= icodec->extradata_size;
2181 codec->time_base = ist->st->time_base;
2182 if(!strcmp(oc->oformat->name, "avi")) {
2184 av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) &&
2185 av_q2d(ist->st->time_base) < 1.0/500){
2186 codec->time_base = icodec->time_base;
2187 codec->time_base.num *= icodec->ticks_per_frame;
2188 codec->time_base.den *= 2;
2190 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)) {
2191 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){
2192 codec->time_base = icodec->time_base;
2193 codec->time_base.num *= icodec->ticks_per_frame;
2196 av_reduce(&codec->time_base.num, &codec->time_base.den,
2197 codec->time_base.num, codec->time_base.den, INT_MAX);
2199 switch(codec->codec_type) {
2200 case AVMEDIA_TYPE_AUDIO:
2201 if(audio_volume != 256) {
2202 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2205 codec->channel_layout = icodec->channel_layout;
2206 codec->sample_rate = icodec->sample_rate;
2207 codec->channels = icodec->channels;
2208 codec->frame_size = icodec->frame_size;
2209 codec->audio_service_type = icodec->audio_service_type;
2210 codec->block_align = icodec->block_align;
2212 case AVMEDIA_TYPE_VIDEO:
2213 codec->pix_fmt = icodec->pix_fmt;
2214 codec->width = icodec->width;
2215 codec->height = icodec->height;
2216 codec->has_b_frames = icodec->has_b_frames;
2217 if (!codec->sample_aspect_ratio.num) {
2218 codec->sample_aspect_ratio =
2219 ost->st->sample_aspect_ratio =
2220 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2221 ist->st->codec->sample_aspect_ratio.num ?
2222 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2224 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2226 case AVMEDIA_TYPE_SUBTITLE:
2227 codec->width = icodec->width;
2228 codec->height = icodec->height;
2230 case AVMEDIA_TYPE_DATA:
2231 case AVMEDIA_TYPE_ATTACHMENT:
2238 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2240 ist->decoding_needed = 1;
2241 ost->encoding_needed = 1;
2243 switch(codec->codec_type) {
2244 case AVMEDIA_TYPE_AUDIO:
2245 ost->fifo = av_fifo_alloc(1024);
2247 return AVERROR(ENOMEM);
2249 if (!codec->sample_rate)
2250 codec->sample_rate = icodec->sample_rate;
2251 choose_sample_rate(ost->st, ost->enc);
2252 codec->time_base = (AVRational){1, codec->sample_rate};
2254 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2255 codec->sample_fmt = icodec->sample_fmt;
2256 choose_sample_fmt(ost->st, ost->enc);
2258 if (ost->audio_channels_mapped) {
2259 /* the requested output channel is set to the number of
2260 * -map_channel only if no -ac are specified */
2261 if (!codec->channels) {
2262 codec->channels = ost->audio_channels_mapped;
2263 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2264 if (!codec->channel_layout) {
2265 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2269 /* fill unused channel mapping with -1 (which means a muted
2270 * channel in case the number of output channels is bigger
2271 * than the number of mapped channel) */
2272 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2273 ost->audio_channels_map[j] = -1;
2274 } else if (!codec->channels) {
2275 codec->channels = icodec->channels;
2276 codec->channel_layout = icodec->channel_layout;
2278 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2279 codec->channel_layout = 0;
2281 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2282 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2283 || codec->channel_layout != icodec->channel_layout;
2284 icodec->request_channels = codec->channels;
2285 ost->resample_sample_fmt = icodec->sample_fmt;
2286 ost->resample_sample_rate = icodec->sample_rate;
2287 ost->resample_channels = icodec->channels;
2289 case AVMEDIA_TYPE_VIDEO:
2290 if (codec->pix_fmt == PIX_FMT_NONE)
2291 codec->pix_fmt = icodec->pix_fmt;
2292 choose_pixel_fmt(ost->st, ost->enc);
2294 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2295 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2299 if (!codec->width || !codec->height) {
2300 codec->width = icodec->width;
2301 codec->height = icodec->height;
2304 ost->video_resample = codec->width != icodec->width ||
2305 codec->height != icodec->height ||
2306 codec->pix_fmt != icodec->pix_fmt;
2307 if (ost->video_resample) {
2308 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2311 ost->resample_height = icodec->height;
2312 ost->resample_width = icodec->width;
2313 ost->resample_pix_fmt = icodec->pix_fmt;
2315 if (!ost->frame_rate.num)
2316 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2317 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2318 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2319 ost->frame_rate = ost->enc->supported_framerates[idx];
2321 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2322 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2323 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2324 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2325 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2327 for (j = 0; j < ost->forced_kf_count; j++)
2328 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2333 if (configure_video_filters(ist, ost)) {
2334 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2339 case AVMEDIA_TYPE_SUBTITLE:
2346 if (codec->codec_id != CODEC_ID_H264 &&
2347 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2348 char logfilename[1024];
2351 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2352 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2354 if (codec->flags & CODEC_FLAG_PASS2) {
2356 size_t logbuffer_size;
2357 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2358 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2362 codec->stats_in = logbuffer;
2364 if (codec->flags & CODEC_FLAG_PASS1) {
2365 f = fopen(logfilename, "wb");
2367 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2368 logfilename, strerror(errno));
2375 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2376 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2377 int size = codec->width * codec->height;
2378 bit_buffer_size = FFMAX(bit_buffer_size, 7*size + 10000);
2383 bit_buffer = av_malloc(bit_buffer_size);
2385 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2387 return AVERROR(ENOMEM);
2390 /* open each encoder */
2391 for (i = 0; i < nb_output_streams; i++) {
2392 ost = &output_streams[i];
2393 if (ost->encoding_needed) {
2394 AVCodec *codec = ost->enc;
2395 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2397 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2398 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2399 ret = AVERROR(EINVAL);
2402 if (dec->subtitle_header) {
2403 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2404 if (!ost->st->codec->subtitle_header) {
2405 ret = AVERROR(ENOMEM);
2408 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2409 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2411 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2412 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2413 ost->file_index, ost->index);
2414 ret = AVERROR(EINVAL);
2417 assert_codec_experimental(ost->st->codec, 1);
2418 assert_avoptions(ost->opts);
2419 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2420 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2421 " It takes bits/s as argument, not kbits/s\n");
2422 extra_size += ost->st->codec->extradata_size;
2424 if (ost->st->codec->me_threshold)
2425 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2429 /* init input streams */
2430 for (i = 0; i < nb_input_streams; i++)
2431 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2434 /* discard unused programs */
2435 for (i = 0; i < nb_input_files; i++) {
2436 InputFile *ifile = &input_files[i];
2437 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2438 AVProgram *p = ifile->ctx->programs[j];
2439 int discard = AVDISCARD_ALL;
2441 for (k = 0; k < p->nb_stream_indexes; k++)
2442 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2443 discard = AVDISCARD_DEFAULT;
2446 p->discard = discard;
2450 /* open files and write file headers */
2451 for (i = 0; i < nb_output_files; i++) {
2452 oc = output_files[i].ctx;
2453 oc->interrupt_callback = int_cb;
2454 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2455 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2456 ret = AVERROR(EINVAL);
2459 // assert_avoptions(output_files[i].opts);
2460 if (strcmp(oc->oformat->name, "rtp")) {
2466 /* dump the file output parameters - cannot be done before in case
2468 for (i = 0; i < nb_output_files; i++) {
2469 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2472 /* dump the stream mapping */
2473 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2474 for (i = 0; i < nb_output_streams; i++) {
2475 ost = &output_streams[i];
2477 if (ost->attachment_filename) {
2478 /* an attached file */
2479 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2480 ost->attachment_filename, ost->file_index, ost->index);
2483 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2484 input_streams[ost->source_index].file_index,
2485 input_streams[ost->source_index].st->index,
2488 if (ost->audio_channels_mapped) {
2489 av_log(NULL, AV_LOG_INFO, " [ch:");
2490 for (j = 0; j < ost->audio_channels_mapped; j++)
2491 if (ost->audio_channels_map[j] == -1)
2492 av_log(NULL, AV_LOG_INFO, " M");
2494 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2495 av_log(NULL, AV_LOG_INFO, "]");
2497 if (ost->sync_ist != &input_streams[ost->source_index])
2498 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2499 ost->sync_ist->file_index,
2500 ost->sync_ist->st->index);
2501 if (ost->stream_copy)
2502 av_log(NULL, AV_LOG_INFO, " (copy)");
2504 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2505 input_streams[ost->source_index].dec->name : "?",
2506 ost->enc ? ost->enc->name : "?");
2507 av_log(NULL, AV_LOG_INFO, "\n");
2511 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2516 print_sdp(output_files, nb_output_files);
2523 * The following code is the main loop of the file converter
2525 static int transcode(OutputFile *output_files, int nb_output_files,
2526 InputFile *input_files, int nb_input_files)
2529 AVFormatContext *is, *os;
2533 int no_packet_count=0;
2534 int64_t timer_start;
2537 if (!(no_packet = av_mallocz(nb_input_files)))
2540 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2545 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2548 timer_start = av_gettime();
2550 for(; received_sigterm == 0;) {
2551 int file_index, ist_index;
2555 int64_t cur_time= av_gettime();
2557 ipts_min= INT64_MAX;
2559 /* if 'q' pressed, exits */
2561 static int64_t last_time;
2562 if (received_nb_signals)
2564 /* read_key() returns 0 on EOF */
2565 if(cur_time - last_time >= 100000 && !run_as_daemon){
2567 last_time = cur_time;
2572 if (key == '+') av_log_set_level(av_log_get_level()+10);
2573 if (key == '-') av_log_set_level(av_log_get_level()-10);
2574 if (key == 's') qp_hist ^= 1;
2577 do_hex_dump = do_pkt_dump = 0;
2578 } else if(do_pkt_dump){
2582 av_log_set_level(AV_LOG_DEBUG);
2585 if (key == 'c' || key == 'C'){
2586 char buf[4096], target[64], command[256], arg[256] = {0};
2589 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2591 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2596 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2597 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2598 target, time, command, arg);
2599 for (i = 0; i < nb_output_streams; i++) {
2600 ost = &output_streams[i];
2603 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2604 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2605 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2607 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2612 av_log(NULL, AV_LOG_ERROR,
2613 "Parse error, at least 3 arguments were expected, "
2614 "only %d given in string '%s'\n", n, buf);
2618 if (key == 'd' || key == 'D'){
2621 debug = input_streams[0].st->codec->debug<<1;
2622 if(!debug) debug = 1;
2623 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2626 if(scanf("%d", &debug)!=1)
2627 fprintf(stderr,"error parsing debug value\n");
2628 for(i=0;i<nb_input_streams;i++) {
2629 input_streams[i].st->codec->debug = debug;
2631 for(i=0;i<nb_output_streams;i++) {
2632 ost = &output_streams[i];
2633 ost->st->codec->debug = debug;
2635 if(debug) av_log_set_level(AV_LOG_DEBUG);
2636 fprintf(stderr,"debug=%d\n", debug);
2639 fprintf(stderr, "key function\n"
2640 "? show this help\n"
2641 "+ increase verbosity\n"
2642 "- decrease verbosity\n"
2643 "c Send command to filtergraph\n"
2644 "D cycle through available debug modes\n"
2645 "h dump packets/hex press to cycle through the 3 states\n"
2647 "s Show QP histogram\n"
2652 /* select the stream that we must read now by looking at the
2653 smallest output pts */
2655 for (i = 0; i < nb_output_streams; i++) {
2659 ost = &output_streams[i];
2660 of = &output_files[ost->file_index];
2661 os = output_files[ost->file_index].ctx;
2662 ist = &input_streams[ost->source_index];
2663 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2664 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2666 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2668 if (!input_files[ist->file_index].eof_reached){
2669 if(ipts < ipts_min) {
2671 if(input_sync ) file_index = ist->file_index;
2673 if(opts < opts_min) {
2675 if(!input_sync) file_index = ist->file_index;
2678 if (ost->frame_number >= ost->max_frames) {
2680 for (j = 0; j < of->ctx->nb_streams; j++)
2681 output_streams[of->ost_index + j].is_past_recording_time = 1;
2685 /* if none, if is finished */
2686 if (file_index < 0) {
2687 if(no_packet_count){
2689 memset(no_packet, 0, nb_input_files);
2696 /* read a frame from it and output it in the fifo */
2697 is = input_files[file_index].ctx;
2698 ret= av_read_frame(is, &pkt);
2699 if(ret == AVERROR(EAGAIN)){
2700 no_packet[file_index]=1;
2705 input_files[file_index].eof_reached = 1;
2713 memset(no_packet, 0, nb_input_files);
2716 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2717 is->streams[pkt.stream_index]);
2719 /* the following test is needed in case new streams appear
2720 dynamically in stream : we ignore them */
2721 if (pkt.stream_index >= input_files[file_index].nb_streams)
2722 goto discard_packet;
2723 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2724 ist = &input_streams[ist_index];
2726 goto discard_packet;
2728 if (pkt.dts != AV_NOPTS_VALUE)
2729 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2730 if (pkt.pts != AV_NOPTS_VALUE)
2731 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2733 if(pkt.pts != AV_NOPTS_VALUE)
2734 pkt.pts *= ist->ts_scale;
2735 if(pkt.dts != AV_NOPTS_VALUE)
2736 pkt.dts *= ist->ts_scale;
2738 // 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);
2739 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2740 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2741 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2742 int64_t delta= pkt_dts - ist->next_pts;
2743 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2744 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2745 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2746 pkt_dts+1<ist->pts)&& !copy_ts){
2747 input_files[ist->file_index].ts_offset -= delta;
2748 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2749 delta, input_files[ist->file_index].ts_offset);
2750 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2751 if(pkt.pts != AV_NOPTS_VALUE)
2752 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2756 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2757 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2759 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2760 ist->file_index, ist->st->index);
2763 av_free_packet(&pkt);
2768 av_free_packet(&pkt);
2770 /* dump report by using the output first video and audio streams */
2771 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2774 /* at the end of stream, we must flush the decoder buffers */
2775 for (i = 0; i < nb_input_streams; i++) {
2776 ist = &input_streams[i];
2777 if (ist->decoding_needed) {
2778 output_packet(ist, output_streams, nb_output_streams, NULL);
2781 flush_encoders(output_streams, nb_output_streams);
2785 /* write the trailer if needed and close file */
2786 for(i=0;i<nb_output_files;i++) {
2787 os = output_files[i].ctx;
2788 av_write_trailer(os);
2791 /* dump report by using the first video and audio streams */
2792 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
2794 /* close each encoder */
2795 for (i = 0; i < nb_output_streams; i++) {
2796 ost = &output_streams[i];
2797 if (ost->encoding_needed) {
2798 av_freep(&ost->st->codec->stats_in);
2799 avcodec_close(ost->st->codec);
2802 avfilter_graph_free(&ost->graph);
2806 /* close each decoder */
2807 for (i = 0; i < nb_input_streams; i++) {
2808 ist = &input_streams[i];
2809 if (ist->decoding_needed) {
2810 avcodec_close(ist->st->codec);
2818 av_freep(&bit_buffer);
2819 av_freep(&no_packet);
2821 if (output_streams) {
2822 for (i = 0; i < nb_output_streams; i++) {
2823 ost = &output_streams[i];
2825 if (ost->stream_copy)
2826 av_freep(&ost->st->codec->extradata);
2828 fclose(ost->logfile);
2829 ost->logfile = NULL;
2831 av_fifo_free(ost->fifo); /* works even if fifo is not
2832 initialized but set to zero */
2833 av_freep(&ost->st->codec->subtitle_header);
2834 av_free(ost->resample_frame.data[0]);
2835 av_free(ost->forced_kf_pts);
2836 if (ost->video_resample)
2837 sws_freeContext(ost->img_resample_ctx);
2838 swr_free(&ost->swr);
2839 av_dict_free(&ost->opts);
2846 static int opt_frame_crop(const char *opt, const char *arg)
2848 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
2849 return AVERROR(EINVAL);
2852 static int opt_pad(const char *opt, const char *arg)
2854 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
2858 static double parse_frame_aspect_ratio(const char *arg)
2865 p = strchr(arg, ':');
2867 x = strtol(arg, &end, 10);
2869 y = strtol(end+1, &end, 10);
2871 ar = (double)x / (double)y;
2873 ar = strtod(arg, NULL);
2876 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2882 static int opt_video_channel(const char *opt, const char *arg)
2884 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2885 return opt_default("channel", arg);
2888 static int opt_video_standard(const char *opt, const char *arg)
2890 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2891 return opt_default("standard", arg);
2894 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2896 audio_codec_name = arg;
2897 return parse_option(o, "codec:a", arg, options);
2900 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2902 video_codec_name = arg;
2903 return parse_option(o, "codec:v", arg, options);
2906 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2908 subtitle_codec_name = arg;
2909 return parse_option(o, "codec:s", arg, options);
2912 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2914 return parse_option(o, "codec:d", arg, options);
2917 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2919 StreamMap *m = NULL;
2920 int i, negative = 0, file_idx;
2921 int sync_file_idx = -1, sync_stream_idx;
2929 map = av_strdup(arg);
2931 /* parse sync stream first, just pick first matching stream */
2932 if (sync = strchr(map, ',')) {
2934 sync_file_idx = strtol(sync + 1, &sync, 0);
2935 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2936 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2941 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2942 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2943 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2944 sync_stream_idx = i;
2947 if (i == input_files[sync_file_idx].nb_streams) {
2948 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2949 "match any streams.\n", arg);
2955 file_idx = strtol(map, &p, 0);
2956 if (file_idx >= nb_input_files || file_idx < 0) {
2957 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2961 /* disable some already defined maps */
2962 for (i = 0; i < o->nb_stream_maps; i++) {
2963 m = &o->stream_maps[i];
2964 if (file_idx == m->file_index &&
2965 check_stream_specifier(input_files[m->file_index].ctx,
2966 input_files[m->file_index].ctx->streams[m->stream_index],
2967 *p == ':' ? p + 1 : p) > 0)
2971 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2972 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2973 *p == ':' ? p + 1 : p) <= 0)
2975 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2976 &o->nb_stream_maps, o->nb_stream_maps + 1);
2977 m = &o->stream_maps[o->nb_stream_maps - 1];
2979 m->file_index = file_idx;
2980 m->stream_index = i;
2982 if (sync_file_idx >= 0) {
2983 m->sync_file_index = sync_file_idx;
2984 m->sync_stream_index = sync_stream_idx;
2986 m->sync_file_index = file_idx;
2987 m->sync_stream_index = i;
2992 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3000 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3002 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3003 &o->nb_attachments, o->nb_attachments + 1);
3004 o->attachments[o->nb_attachments - 1] = arg;
3008 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3014 o->audio_channel_maps =
3015 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3016 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3017 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3019 /* muted channel syntax */
3020 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3021 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3022 m->file_idx = m->stream_idx = -1;
3024 m->ofile_idx = m->ostream_idx = -1;
3029 n = sscanf(arg, "%d.%d.%d:%d.%d",
3030 &m->file_idx, &m->stream_idx, &m->channel_idx,
3031 &m->ofile_idx, &m->ostream_idx);
3033 if (n != 3 && n != 5) {
3034 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3035 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3039 if (n != 5) // only file.stream.channel specified
3040 m->ofile_idx = m->ostream_idx = -1;
3043 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3044 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3048 if (m->stream_idx < 0 ||
3049 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3050 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3051 m->file_idx, m->stream_idx);
3054 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3055 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3056 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3057 m->file_idx, m->stream_idx);
3060 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3061 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3062 m->file_idx, m->stream_idx, m->channel_idx);
3068 static void parse_meta_type(char *arg, char *type, int *index)
3078 if (*(++arg) == ':')
3079 *index = strtol(++arg, NULL, 0);
3082 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3089 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
3091 MetadataMap *m, *m1;
3094 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
3095 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
3097 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
3098 m->file = strtol(arg, &p, 0);
3099 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
3101 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
3102 if (p = strchr(opt, ':'))
3103 parse_meta_type(p + 1, &m1->type, &m1->index);
3107 if (m->type == 'g' || m1->type == 'g')
3108 o->metadata_global_manual = 1;
3109 if (m->type == 's' || m1->type == 's')
3110 o->metadata_streams_manual = 1;
3111 if (m->type == 'c' || m1->type == 'c')
3112 o->metadata_chapters_manual = 1;
3117 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
3119 av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
3120 "Use -map_metadata instead.\n");
3121 return opt_map_metadata(o, opt, arg);
3124 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3127 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3128 struct tm time = *gmtime((time_t*)&recording_timestamp);
3129 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3130 parse_option(o, "metadata", buf, options);
3132 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3133 "tag instead.\n", opt);
3137 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3139 const char *codec_string = encoder ? "encoder" : "decoder";
3143 avcodec_find_encoder_by_name(name) :
3144 avcodec_find_decoder_by_name(name);
3146 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3149 if(codec->type != type) {
3150 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3156 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3158 char *codec_name = NULL;
3160 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3162 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3163 st->codec->codec_id = codec->id;
3166 return avcodec_find_decoder(st->codec->codec_id);
3170 * Add all the streams from the given input file to the global
3171 * list of input streams.
3173 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3175 int i, rfps, rfps_base;
3176 char *next, *codec_tag = NULL;
3178 for (i = 0; i < ic->nb_streams; i++) {
3179 AVStream *st = ic->streams[i];
3180 AVCodecContext *dec = st->codec;
3183 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3184 ist = &input_streams[nb_input_streams - 1];
3186 ist->file_index = nb_input_files;
3188 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3190 ist->ts_scale = 1.0;
3191 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3193 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3195 uint32_t tag = strtol(codec_tag, &next, 0);
3197 tag = AV_RL32(codec_tag);
3198 st->codec->codec_tag = tag;
3201 ist->dec = choose_decoder(o, ic, st);
3203 switch (dec->codec_type) {
3204 case AVMEDIA_TYPE_AUDIO:
3206 ist->dec = avcodec_find_decoder(dec->codec_id);
3207 if(o->audio_disable)
3208 st->discard= AVDISCARD_ALL;
3210 case AVMEDIA_TYPE_VIDEO:
3212 ist->dec = avcodec_find_decoder(dec->codec_id);
3213 rfps = ic->streams[i]->r_frame_rate.num;
3214 rfps_base = ic->streams[i]->r_frame_rate.den;
3216 dec->flags |= CODEC_FLAG_EMU_EDGE;
3219 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3221 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",
3222 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3223 (float)rfps / rfps_base, rfps, rfps_base);
3226 if (o->video_disable)
3227 st->discard= AVDISCARD_ALL;
3228 else if(video_discard)
3229 st->discard= video_discard;
3231 case AVMEDIA_TYPE_DATA:
3233 case AVMEDIA_TYPE_SUBTITLE:
3235 ist->dec = avcodec_find_decoder(dec->codec_id);
3236 if(o->subtitle_disable)
3237 st->discard = AVDISCARD_ALL;
3239 case AVMEDIA_TYPE_ATTACHMENT:
3240 case AVMEDIA_TYPE_UNKNOWN:
3248 static void assert_file_overwrite(const char *filename)
3250 if (!file_overwrite &&
3251 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3252 av_strstart(filename, "file:", NULL))) {
3253 if (avio_check(filename, 0) == 0) {
3255 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3258 if (!read_yesno()) {
3259 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3265 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3272 static void dump_attachment(AVStream *st, const char *filename)
3275 AVIOContext *out = NULL;
3276 AVDictionaryEntry *e;
3278 if (!st->codec->extradata_size) {
3279 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3280 nb_input_files - 1, st->index);
3283 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3284 filename = e->value;
3286 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3287 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3291 assert_file_overwrite(filename);
3293 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3294 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3299 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3304 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3306 AVFormatContext *ic;
3307 AVInputFormat *file_iformat = NULL;
3311 AVDictionary **opts;
3312 int orig_nb_streams; // number of streams before avformat_find_stream_info
3315 if (!(file_iformat = av_find_input_format(o->format))) {
3316 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3321 if (!strcmp(filename, "-"))
3324 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3325 !strcmp(filename, "/dev/stdin");
3327 /* get default parameters from command line */
3328 ic = avformat_alloc_context();
3330 print_error(filename, AVERROR(ENOMEM));
3333 if (o->nb_audio_sample_rate) {
3334 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3335 av_dict_set(&format_opts, "sample_rate", buf, 0);
3337 if (o->nb_audio_channels) {
3338 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3339 av_dict_set(&format_opts, "channels", buf, 0);
3341 if (o->nb_frame_rates) {
3342 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3344 if (o->nb_frame_sizes) {
3345 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3347 if (o->nb_frame_pix_fmts)
3348 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3350 ic->video_codec_id = video_codec_name ?
3351 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3352 ic->audio_codec_id = audio_codec_name ?
3353 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3354 ic->subtitle_codec_id= subtitle_codec_name ?
3355 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3356 ic->flags |= AVFMT_FLAG_NONBLOCK;
3357 ic->interrupt_callback = int_cb;
3360 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3361 ic->loop_input = loop_input;
3364 /* open the input file with generic libav function */
3365 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3367 print_error(filename, err);
3370 assert_avoptions(format_opts);
3372 /* apply forced codec ids */
3373 for (i = 0; i < ic->nb_streams; i++)
3374 choose_decoder(o, ic, ic->streams[i]);
3376 /* Set AVCodecContext options for avformat_find_stream_info */
3377 opts = setup_find_stream_info_opts(ic, codec_opts);
3378 orig_nb_streams = ic->nb_streams;
3380 /* If not enough info to get the stream parameters, we decode the
3381 first frames to get it. (used in mpeg case for example) */
3382 ret = avformat_find_stream_info(ic, opts);
3384 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3385 av_close_input_file(ic);
3389 timestamp = o->start_time;
3390 /* add the stream start time */
3391 if (ic->start_time != AV_NOPTS_VALUE)
3392 timestamp += ic->start_time;
3394 /* if seeking requested, we execute it */
3395 if (o->start_time != 0) {
3396 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3398 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3399 filename, (double)timestamp / AV_TIME_BASE);
3403 /* update the current parameters so that they match the one of the input stream */
3404 add_input_streams(o, ic);
3406 /* dump the file content */
3407 av_dump_format(ic, nb_input_files, filename, 0);
3409 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3410 input_files[nb_input_files - 1].ctx = ic;
3411 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3412 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3413 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3414 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3416 for (i = 0; i < o->nb_dump_attachment; i++) {
3419 for (j = 0; j < ic->nb_streams; j++) {
3420 AVStream *st = ic->streams[j];
3422 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3423 dump_attachment(st, o->dump_attachment[i].u.str);
3427 for (i = 0; i < orig_nb_streams; i++)
3428 av_dict_free(&opts[i]);
3431 reset_options(o, 1);
3435 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3440 for (p = kf; *p; p++)
3443 ost->forced_kf_count = n;
3444 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3445 if (!ost->forced_kf_pts) {
3446 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3449 for (i = 0; i < n; i++) {
3450 p = i ? strchr(p, ',') + 1 : kf;
3451 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3455 static uint8_t *get_line(AVIOContext *s)
3461 if (avio_open_dyn_buf(&line) < 0) {
3462 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3466 while ((c = avio_r8(s)) && c != '\n')
3469 avio_close_dyn_buf(line, &buf);
3474 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3477 char filename[1000];
3478 const char *base[3] = { getenv("AVCONV_DATADIR"),
3483 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3487 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3488 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3489 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3492 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3493 i != 1 ? "" : "/.avconv", preset_name);
3494 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3500 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3502 char *codec_name = NULL;
3504 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3506 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3507 NULL, ost->st->codec->codec_type);
3508 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3509 } else if (!strcmp(codec_name, "copy"))
3510 ost->stream_copy = 1;
3512 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3513 ost->st->codec->codec_id = ost->enc->id;
3517 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3520 AVStream *st = avformat_new_stream(oc, NULL);
3521 int idx = oc->nb_streams - 1, ret = 0;
3522 char *bsf = NULL, *next, *codec_tag = NULL;
3523 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3525 char *buf = NULL, *arg = NULL, *preset = NULL;
3526 AVIOContext *s = NULL;
3529 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3533 if (oc->nb_streams - 1 < o->nb_streamid_map)
3534 st->id = o->streamid_map[oc->nb_streams - 1];
3536 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3537 nb_output_streams + 1);
3538 ost = &output_streams[nb_output_streams - 1];
3539 ost->file_index = nb_output_files;
3542 st->codec->codec_type = type;
3543 choose_encoder(o, oc, ost);
3545 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3548 avcodec_get_context_defaults3(st->codec, ost->enc);
3549 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3551 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3552 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3555 if (!buf[0] || buf[0] == '#') {
3559 if (!(arg = strchr(buf, '='))) {
3560 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3564 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3566 } while (!s->eof_reached);
3570 av_log(NULL, AV_LOG_FATAL,
3571 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3572 preset, ost->file_index, ost->index);
3576 ost->max_frames = INT64_MAX;
3577 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3579 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3581 if (next = strchr(bsf, ','))
3583 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3584 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3588 bsfc_prev->next = bsfc;
3590 ost->bitstream_filters = bsfc;
3596 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3598 uint32_t tag = strtol(codec_tag, &next, 0);
3600 tag = AV_RL32(codec_tag);
3601 st->codec->codec_tag = tag;
3604 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3605 if (qscale >= 0 || same_quant) {
3606 st->codec->flags |= CODEC_FLAG_QSCALE;
3607 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3610 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3611 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3613 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3617 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3620 const char *p = str;
3627 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3634 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3638 AVCodecContext *video_enc;
3640 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3642 video_enc = st->codec;
3644 if (!ost->stream_copy) {
3645 const char *p = NULL;
3646 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3647 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3648 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3651 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3652 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3653 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3657 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3658 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3659 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3663 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3664 if (frame_aspect_ratio)
3665 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3667 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3668 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3669 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3670 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3673 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3676 video_enc->gop_size = 0;
3677 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3679 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3680 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3683 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3685 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3687 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3688 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3691 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3694 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3697 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3699 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3702 /* FIXME realloc failure */
3703 video_enc->rc_override=
3704 av_realloc(video_enc->rc_override,
3705 sizeof(RcOverride)*(i+1));
3706 video_enc->rc_override[i].start_frame= start;
3707 video_enc->rc_override[i].end_frame = end;
3709 video_enc->rc_override[i].qscale= q;
3710 video_enc->rc_override[i].quality_factor= 1.0;
3713 video_enc->rc_override[i].qscale= 0;
3714 video_enc->rc_override[i].quality_factor= -q/100.0;
3719 video_enc->rc_override_count=i;
3720 if (!video_enc->rc_initial_buffer_occupancy)
3721 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3722 video_enc->intra_dc_precision= intra_dc_precision - 8;
3725 video_enc->flags|= CODEC_FLAG_PSNR;
3730 video_enc->flags |= CODEC_FLAG_PASS1;
3733 video_enc->flags |= CODEC_FLAG_PASS2;
3737 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3738 if (forced_key_frames)
3739 parse_forced_key_frames(forced_key_frames, ost);
3741 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3743 ost->top_field_first = -1;
3744 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3746 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3749 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3751 ost->avfilter = av_strdup(filters);
3758 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3763 AVCodecContext *audio_enc;
3765 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3768 audio_enc = st->codec;
3769 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3771 if (!ost->stream_copy) {
3772 char *sample_fmt = NULL;
3774 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3776 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3778 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3779 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3783 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3785 ost->rematrix_volume=1.0;
3786 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
3789 /* check for channel mapping for this audio stream */
3790 for (n = 0; n < o->nb_audio_channel_maps; n++) {
3791 AudioChannelMap *map = &o->audio_channel_maps[n];
3792 InputStream *ist = &input_streams[ost->source_index];
3793 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
3794 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
3795 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
3796 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
3797 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
3799 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
3800 ost->file_index, ost->st->index);
3807 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3811 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3812 if (!ost->stream_copy) {
3813 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3820 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3822 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3823 ost->stream_copy = 1;
3827 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3831 AVCodecContext *subtitle_enc;
3833 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3835 subtitle_enc = st->codec;
3837 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3842 /* arg format is "output-stream-index:streamid-value". */
3843 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3849 av_strlcpy(idx_str, arg, sizeof(idx_str));
3850 p = strchr(idx_str, ':');
3852 av_log(NULL, AV_LOG_FATAL,
3853 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3858 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3859 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3860 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3864 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3866 AVFormatContext *is = ifile->ctx;
3867 AVFormatContext *os = ofile->ctx;
3870 for (i = 0; i < is->nb_chapters; i++) {
3871 AVChapter *in_ch = is->chapters[i], *out_ch;
3872 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3873 AV_TIME_BASE_Q, in_ch->time_base);
3874 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3875 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3878 if (in_ch->end < ts_off)
3880 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3883 out_ch = av_mallocz(sizeof(AVChapter));
3885 return AVERROR(ENOMEM);
3887 out_ch->id = in_ch->id;
3888 out_ch->time_base = in_ch->time_base;
3889 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3890 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3893 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3896 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
3898 return AVERROR(ENOMEM);
3899 os->chapters[os->nb_chapters - 1] = out_ch;
3904 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3907 AVFormatContext *ic = avformat_alloc_context();
3909 ic->interrupt_callback = int_cb;
3910 err = avformat_open_input(&ic, filename, NULL, NULL);
3913 /* copy stream format */
3914 for(i=0;i<ic->nb_streams;i++) {
3918 AVCodecContext *avctx;
3920 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3921 ost = new_output_stream(o, s, codec->type);
3925 // FIXME: a more elegant solution is needed
3926 memcpy(st, ic->streams[i], sizeof(AVStream));
3927 st->info = av_malloc(sizeof(*st->info));
3928 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3930 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3932 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
3933 choose_sample_fmt(st, codec);
3934 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
3935 choose_pixel_fmt(st, codec);
3938 av_close_input_file(ic);
3942 static void opt_output_file(void *optctx, const char *filename)
3944 OptionsContext *o = optctx;
3945 AVFormatContext *oc;
3947 AVOutputFormat *file_oformat;
3951 if (!strcmp(filename, "-"))
3954 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3956 print_error(filename, err);
3959 file_oformat= oc->oformat;
3960 oc->interrupt_callback = int_cb;
3962 if (!strcmp(file_oformat->name, "ffm") &&
3963 av_strstart(filename, "http:", NULL)) {
3965 /* special case for files sent to ffserver: we get the stream
3966 parameters from ffserver */
3967 int err = read_ffserver_streams(o, oc, filename);
3969 print_error(filename, err);
3972 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
3973 ost = &output_streams[j];
3974 for (i = 0; i < nb_input_streams; i++) {
3975 ist = &input_streams[i];
3976 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
3978 ost->source_index= i;
3984 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
3988 } else if (!o->nb_stream_maps) {
3989 /* pick the "best" stream of each type */
3990 #define NEW_STREAM(type, index)\
3992 ost = new_ ## type ## _stream(o, oc);\
3993 ost->source_index = index;\
3994 ost->sync_ist = &input_streams[index];\
3995 input_streams[index].discard = 0;\
3998 /* video: highest resolution */
3999 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4000 int area = 0, idx = -1;
4001 for (i = 0; i < nb_input_streams; i++) {
4002 ist = &input_streams[i];
4003 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4004 ist->st->codec->width * ist->st->codec->height > area) {
4005 area = ist->st->codec->width * ist->st->codec->height;
4009 NEW_STREAM(video, idx);
4012 /* audio: most channels */
4013 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4014 int channels = 0, idx = -1;
4015 for (i = 0; i < nb_input_streams; i++) {
4016 ist = &input_streams[i];
4017 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4018 ist->st->codec->channels > channels) {
4019 channels = ist->st->codec->channels;
4023 NEW_STREAM(audio, idx);
4026 /* subtitles: pick first */
4027 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4028 for (i = 0; i < nb_input_streams; i++)
4029 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4030 NEW_STREAM(subtitle, i);
4034 /* do something with data? */
4036 for (i = 0; i < o->nb_stream_maps; i++) {
4037 StreamMap *map = &o->stream_maps[i];
4042 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4043 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4045 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4047 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4050 switch (ist->st->codec->codec_type) {
4051 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4052 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4053 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4054 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4055 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4057 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4058 map->file_index, map->stream_index);
4062 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4063 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4064 map->sync_stream_index];
4069 /* handle attached files */
4070 for (i = 0; i < o->nb_attachments; i++) {
4072 uint8_t *attachment;
4076 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4077 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4081 if ((len = avio_size(pb)) <= 0) {
4082 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4086 if (!(attachment = av_malloc(len))) {
4087 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4091 avio_read(pb, attachment, len);
4093 ost = new_attachment_stream(o, oc);
4094 ost->stream_copy = 0;
4095 ost->source_index = -1;
4096 ost->attachment_filename = o->attachments[i];
4097 ost->st->codec->extradata = attachment;
4098 ost->st->codec->extradata_size = len;
4100 p = strrchr(o->attachments[i], '/');
4101 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4105 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4106 output_files[nb_output_files - 1].ctx = oc;
4107 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4108 output_files[nb_output_files - 1].recording_time = o->recording_time;
4109 output_files[nb_output_files - 1].start_time = o->start_time;
4110 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4111 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4113 /* check filename in case of an image number is expected */
4114 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4115 if (!av_filename_number_test(oc->filename)) {
4116 print_error(oc->filename, AVERROR(EINVAL));
4121 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4122 /* test if it already exists to avoid loosing precious files */
4123 assert_file_overwrite(filename);
4126 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4127 &oc->interrupt_callback,
4128 &output_files[nb_output_files - 1].opts)) < 0) {
4129 print_error(filename, err);
4134 if (o->mux_preload) {
4136 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4137 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4139 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4141 if (loop_output >= 0) {
4142 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4143 oc->loop_output = loop_output;
4147 if (o->chapters_input_file >= nb_input_files) {
4148 if (o->chapters_input_file == INT_MAX) {
4149 /* copy chapters from the first input file that has them*/
4150 o->chapters_input_file = -1;
4151 for (i = 0; i < nb_input_files; i++)
4152 if (input_files[i].ctx->nb_chapters) {
4153 o->chapters_input_file = i;
4157 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4158 o->chapters_input_file);
4162 if (o->chapters_input_file >= 0)
4163 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4164 !o->metadata_chapters_manual);
4167 for (i = 0; i < o->nb_meta_data_maps; i++) {
4168 AVFormatContext *files[2];
4169 AVDictionary **meta[2];
4172 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
4173 if ((index) < 0 || (index) >= (nb_elems)) {\
4174 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
4179 int in_file_index = o->meta_data_maps[i][1].file;
4180 if (in_file_index < 0)
4182 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
4185 files[1] = input_files[in_file_index].ctx;
4187 for (j = 0; j < 2; j++) {
4188 MetadataMap *map = &o->meta_data_maps[i][j];
4190 switch (map->type) {
4192 meta[j] = &files[j]->metadata;
4195 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
4196 meta[j] = &files[j]->streams[map->index]->metadata;
4199 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
4200 meta[j] = &files[j]->chapters[map->index]->metadata;
4203 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
4204 meta[j] = &files[j]->programs[map->index]->metadata;
4211 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
4214 /* copy global metadata by default */
4215 if (!o->metadata_global_manual && nb_input_files){
4216 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4217 AV_DICT_DONT_OVERWRITE);
4218 if(o->recording_time != INT64_MAX)
4219 av_dict_set(&oc->metadata, "duration", NULL, 0);
4221 if (!o->metadata_streams_manual)
4222 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4224 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4226 ist = &input_streams[output_streams[i].source_index];
4227 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4230 /* process manually set metadata */
4231 for (i = 0; i < o->nb_metadata; i++) {
4236 val = strchr(o->metadata[i].u.str, '=');
4238 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4239 o->metadata[i].u.str);
4244 parse_meta_type(o->metadata[i].specifier, &type, &index);
4250 if (index < 0 || index >= oc->nb_streams) {
4251 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
4254 m = &oc->streams[index]->metadata;
4257 if (index < 0 || index >= oc->nb_chapters) {
4258 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4261 m = &oc->chapters[index]->metadata;
4264 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4268 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4271 reset_options(o, 0);
4274 /* same option as mencoder */
4275 static int opt_pass(const char *opt, const char *arg)
4277 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4281 static int64_t getutime(void)
4284 struct rusage rusage;
4286 getrusage(RUSAGE_SELF, &rusage);
4287 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4288 #elif HAVE_GETPROCESSTIMES
4290 FILETIME c, e, k, u;
4291 proc = GetCurrentProcess();
4292 GetProcessTimes(proc, &c, &e, &k, &u);
4293 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4295 return av_gettime();
4299 static int64_t getmaxrss(void)
4301 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4302 struct rusage rusage;
4303 getrusage(RUSAGE_SELF, &rusage);
4304 return (int64_t)rusage.ru_maxrss * 1024;
4305 #elif HAVE_GETPROCESSMEMORYINFO
4307 PROCESS_MEMORY_COUNTERS memcounters;
4308 proc = GetCurrentProcess();
4309 memcounters.cb = sizeof(memcounters);
4310 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4311 return memcounters.PeakPagefileUsage;
4317 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4319 return parse_option(o, "q:a", arg, options);
4322 static void show_usage(void)
4324 printf("Hyper fast Audio and Video encoder\n");
4325 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4329 static int opt_help(const char *opt, const char *arg)
4331 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4332 av_log_set_callback(log_callback_help);
4334 show_help_options(options, "Main options:\n",
4335 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4336 show_help_options(options, "\nAdvanced options:\n",
4337 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4339 show_help_options(options, "\nVideo options:\n",
4340 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4342 show_help_options(options, "\nAdvanced Video options:\n",
4343 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4344 OPT_VIDEO | OPT_EXPERT);
4345 show_help_options(options, "\nAudio options:\n",
4346 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4348 show_help_options(options, "\nAdvanced Audio options:\n",
4349 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4350 OPT_AUDIO | OPT_EXPERT);
4351 show_help_options(options, "\nSubtitle options:\n",
4352 OPT_SUBTITLE | OPT_GRAB,
4354 show_help_options(options, "\nAudio/Video grab options:\n",
4358 show_help_children(avcodec_get_class(), flags);
4359 show_help_children(avformat_get_class(), flags);
4360 show_help_children(sws_get_class(), flags);
4365 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4367 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4368 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4370 if(!strncmp(arg, "pal-", 4)) {
4373 } else if(!strncmp(arg, "ntsc-", 5)) {
4376 } else if(!strncmp(arg, "film-", 5)) {
4380 /* Try to determine PAL/NTSC by peeking in the input files */
4381 if(nb_input_files) {
4383 for (j = 0; j < nb_input_files; j++) {
4384 for (i = 0; i < input_files[j].nb_streams; i++) {
4385 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4386 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4388 fr = c->time_base.den * 1000 / c->time_base.num;
4392 } else if((fr == 29970) || (fr == 23976)) {
4401 if (norm != UNKNOWN)
4402 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4405 if(norm == UNKNOWN) {
4406 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4407 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4408 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4412 if(!strcmp(arg, "vcd")) {
4413 opt_video_codec(o, "c:v", "mpeg1video");
4414 opt_audio_codec(o, "c:a", "mp2");
4415 parse_option(o, "f", "vcd", options);
4417 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4418 parse_option(o, "r", frame_rates[norm], options);
4419 opt_default("g", norm == PAL ? "15" : "18");
4421 opt_default("b", "1150000");
4422 opt_default("maxrate", "1150000");
4423 opt_default("minrate", "1150000");
4424 opt_default("bufsize", "327680"); // 40*1024*8;
4426 opt_default("b:a", "224000");
4427 parse_option(o, "ar", "44100", options);
4428 parse_option(o, "ac", "2", options);
4430 opt_default("packetsize", "2324");
4431 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4433 /* We have to offset the PTS, so that it is consistent with the SCR.
4434 SCR starts at 36000, but the first two packs contain only padding
4435 and the first pack from the other stream, respectively, may also have
4436 been written before.
4437 So the real data starts at SCR 36000+3*1200. */
4438 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4439 } else if(!strcmp(arg, "svcd")) {
4441 opt_video_codec(o, "c:v", "mpeg2video");
4442 opt_audio_codec(o, "c:a", "mp2");
4443 parse_option(o, "f", "svcd", options);
4445 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4446 parse_option(o, "r", frame_rates[norm], options);
4447 parse_option(o, "pix_fmt", "yuv420p", options);
4448 opt_default("g", norm == PAL ? "15" : "18");
4450 opt_default("b", "2040000");
4451 opt_default("maxrate", "2516000");
4452 opt_default("minrate", "0"); //1145000;
4453 opt_default("bufsize", "1835008"); //224*1024*8;
4454 opt_default("flags", "+scan_offset");
4457 opt_default("b:a", "224000");
4458 parse_option(o, "ar", "44100", options);
4460 opt_default("packetsize", "2324");
4462 } else if(!strcmp(arg, "dvd")) {
4464 opt_video_codec(o, "c:v", "mpeg2video");
4465 opt_audio_codec(o, "c:a", "ac3");
4466 parse_option(o, "f", "dvd", options);
4468 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4469 parse_option(o, "r", frame_rates[norm], options);
4470 parse_option(o, "pix_fmt", "yuv420p", options);
4471 opt_default("g", norm == PAL ? "15" : "18");
4473 opt_default("b", "6000000");
4474 opt_default("maxrate", "9000000");
4475 opt_default("minrate", "0"); //1500000;
4476 opt_default("bufsize", "1835008"); //224*1024*8;
4478 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4479 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4481 opt_default("b:a", "448000");
4482 parse_option(o, "ar", "48000", options);
4484 } else if(!strncmp(arg, "dv", 2)) {
4486 parse_option(o, "f", "dv", options);
4488 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4489 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4490 norm == PAL ? "yuv420p" : "yuv411p", options);
4491 parse_option(o, "r", frame_rates[norm], options);
4493 parse_option(o, "ar", "48000", options);
4494 parse_option(o, "ac", "2", options);
4497 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4498 return AVERROR(EINVAL);
4503 static int opt_vstats_file(const char *opt, const char *arg)
4505 av_free (vstats_filename);
4506 vstats_filename=av_strdup (arg);
4510 static int opt_vstats(const char *opt, const char *arg)
4513 time_t today2 = time(NULL);
4514 struct tm *today = localtime(&today2);
4516 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4518 return opt_vstats_file(opt, filename);
4521 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4523 return parse_option(o, "frames:v", arg, options);
4526 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4528 return parse_option(o, "frames:a", arg, options);
4531 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4533 return parse_option(o, "frames:d", arg, options);
4536 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4539 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4540 const char *codec_name = *opt == 'v' ? video_codec_name :
4541 *opt == 'a' ? audio_codec_name :
4542 subtitle_codec_name;
4544 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4545 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4546 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4548 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4553 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4554 if(line[0] == '#' && !e)
4556 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4558 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4561 if(!strcmp(tmp, "acodec")){
4562 opt_audio_codec(o, tmp, tmp2);
4563 }else if(!strcmp(tmp, "vcodec")){
4564 opt_video_codec(o, tmp, tmp2);
4565 }else if(!strcmp(tmp, "scodec")){
4566 opt_subtitle_codec(o, tmp, tmp2);
4567 }else if(!strcmp(tmp, "dcodec")){
4568 opt_data_codec(o, tmp, tmp2);
4569 }else if(opt_default(tmp, tmp2) < 0){
4570 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4580 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4584 static int opt_passlogfile(const char *opt, const char *arg)
4586 pass_logfilename_prefix = arg;
4587 #if CONFIG_LIBX264_ENCODER
4588 return opt_default("passlogfile", arg);
4594 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4596 char *s= av_malloc(strlen(opt)+2);
4597 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4598 return parse_option(o, s, arg, options);
4601 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4603 if(!strcmp(opt, "b")){
4604 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4605 return parse_option(o, av_strdup("b:v"), arg, options);
4607 return opt_default(opt, arg);
4610 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4612 return parse_option(o, "filter:v", arg, options);
4615 #define OFFSET(x) offsetof(OptionsContext, x)
4616 static const OptionDef options[] = {
4618 #include "cmdutils_common_opts.h"
4619 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4620 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4621 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4622 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4623 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4624 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4625 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4626 { "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]" },
4627 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4628 "outfile[,metadata]:infile[,metadata]" },
4629 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4630 "outfile[,metadata]:infile[,metadata]" },
4631 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4632 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4633 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4634 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4635 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4636 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4637 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4638 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4639 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4640 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4641 "add timings for benchmarking" },
4642 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4643 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4644 "dump each input packet" },
4645 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4646 "when dumping packets, also dump the payload" },
4647 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4648 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4649 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4650 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4651 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4652 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4653 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4654 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4655 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4656 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4657 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4658 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4659 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4660 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4661 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4662 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4663 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4665 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4667 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4668 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4669 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4672 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4673 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4674 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4675 { "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" },
4676 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4677 { "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" },
4678 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4679 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4680 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4681 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4682 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4683 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4684 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4685 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4686 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4687 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4688 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4689 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4690 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4691 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4692 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4693 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4694 "use same quantizer as source (implies VBR)" },
4695 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4696 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4697 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4698 "deinterlace pictures" },
4699 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4700 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4701 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4703 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4705 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4706 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4707 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4708 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4709 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4710 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4711 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4712 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4713 { "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" },
4714 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4717 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4718 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4719 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4720 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4721 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4722 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4723 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4724 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4725 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4726 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4728 /* subtitle options */
4729 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4730 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4731 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4734 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4735 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4736 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4739 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4740 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4742 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4743 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4744 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4746 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4747 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4748 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4749 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4750 /* data codec support */
4751 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4753 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4757 int main(int argc, char **argv)
4759 OptionsContext o = { 0 };
4762 reset_options(&o, 0);
4764 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4765 parse_loglevel(argc, argv, options);
4767 if(argc>1 && !strcmp(argv[1], "-d")){
4769 av_log_set_callback(log_callback_null);
4774 avcodec_register_all();
4776 avdevice_register_all();
4779 avfilter_register_all();
4782 avformat_network_init();
4789 parse_options(&o, argc, argv, options, opt_output_file);
4791 if(nb_output_files <= 0 && nb_input_files == 0) {
4793 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4797 /* file converter / grab */
4798 if (nb_output_files <= 0) {
4799 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4803 if (nb_input_files == 0) {
4804 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4809 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4811 ti = getutime() - ti;
4813 int maxrss = getmaxrss() / 1024;
4814 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);