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 no_file_overwrite = 0;
135 static int do_benchmark = 0;
136 static int do_hex_dump = 0;
137 static int do_pkt_dump = 0;
138 static int do_psnr = 0;
139 static int do_pass = 0;
140 static const char *pass_logfilename_prefix;
141 static int video_sync_method= -1;
142 static int audio_sync_method= 0;
143 static float audio_drift_threshold= 0.1;
144 static int copy_ts= 0;
145 static int copy_tb= 0;
146 static int opt_shortest = 0;
147 static char *vstats_filename;
148 static FILE *vstats_file;
150 static int audio_volume = 256;
152 static int exit_on_error = 0;
153 static int using_stdin = 0;
154 static int run_as_daemon = 0;
155 static volatile int received_nb_signals = 0;
156 static int64_t video_size = 0;
157 static int64_t audio_size = 0;
158 static int64_t extra_size = 0;
159 static int nb_frames_dup = 0;
160 static int nb_frames_drop = 0;
161 static int input_sync;
163 static float dts_delta_threshold = 10;
165 static int print_stats = 1;
167 static uint8_t *audio_buf;
168 static uint8_t *audio_out;
169 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
171 static void *samples;
172 static uint8_t *input_tmp= NULL;
174 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
176 typedef struct InputStream {
179 int discard; /* true if stream data should be discarded */
180 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
183 int64_t start; /* time when read started */
184 int64_t next_pts; /* synthetic pts for cases where pkt.pts
186 int64_t pts; /* current pts */
188 int is_start; /* is 1 at the start and after a discontinuity */
189 int showed_multi_packet_warning;
193 typedef struct InputFile {
194 AVFormatContext *ctx;
195 int eof_reached; /* true if eof reached */
196 int ist_index; /* index of first stream in input_streams */
197 int buffer_size; /* current total buffer size */
199 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
200 from ctx.nb_streams if new streams appear during av_read_frame() */
204 typedef struct OutputStream {
205 int file_index; /* file index */
206 int index; /* stream index in the output file */
207 int source_index; /* InputStream index */
208 AVStream *st; /* stream in the output file */
209 int encoding_needed; /* true if encoding needed for this stream */
211 /* input pts and corresponding output pts
213 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
214 struct InputStream *sync_ist; /* input stream to sync against */
215 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
216 AVBitStreamFilterContext *bitstream_filters;
222 AVFrame resample_frame; /* temporary frame for image resampling */
223 struct SwsContext *img_resample_ctx; /* for image resampling */
226 int resample_pix_fmt;
227 AVRational frame_rate;
231 float frame_aspect_ratio;
233 /* forced key frames */
234 int64_t *forced_kf_pts;
240 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
241 int audio_channels_mapped; ///< number of channels in audio_channels_map
242 int resample_sample_fmt;
243 int resample_channels;
244 int resample_sample_rate;
245 float rematrix_volume;
246 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
249 struct SwrContext *swr;
252 AVFilterContext *output_video_filter;
253 AVFilterContext *input_video_filter;
254 AVFilterBufferRef *picref;
256 AVFilterGraph *graph;
261 int is_past_recording_time;
263 const char *attachment_filename;
264 int copy_initial_nonkeyframes;
270 /* init terminal so that we can grab keys */
271 static struct termios oldtty;
274 typedef struct OutputFile {
275 AVFormatContext *ctx;
277 int ost_index; /* index of the first stream in output_streams */
278 int64_t recording_time; /* desired length of the resulting file in microseconds */
279 int64_t start_time; /* start time in microseconds */
280 uint64_t limit_filesize;
283 static InputStream *input_streams = NULL;
284 static int nb_input_streams = 0;
285 static InputFile *input_files = NULL;
286 static int nb_input_files = 0;
288 static OutputStream *output_streams = NULL;
289 static int nb_output_streams = 0;
290 static OutputFile *output_files = NULL;
291 static int nb_output_files = 0;
293 typedef struct OptionsContext {
294 /* input/output options */
298 SpecifierOpt *codec_names;
300 SpecifierOpt *audio_channels;
301 int nb_audio_channels;
302 SpecifierOpt *audio_sample_rate;
303 int nb_audio_sample_rate;
304 SpecifierOpt *rematrix_volume;
305 int nb_rematrix_volume;
306 SpecifierOpt *frame_rates;
308 SpecifierOpt *frame_sizes;
310 SpecifierOpt *frame_pix_fmts;
311 int nb_frame_pix_fmts;
314 int64_t input_ts_offset;
317 SpecifierOpt *ts_scale;
319 SpecifierOpt *dump_attachment;
320 int nb_dump_attachment;
323 StreamMap *stream_maps;
325 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
326 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
327 /* first item specifies output metadata, second is input */
328 MetadataMap (*meta_data_maps)[2];
329 int nb_meta_data_maps;
330 int metadata_global_manual;
331 int metadata_streams_manual;
332 int metadata_chapters_manual;
333 const char **attachments;
336 int chapters_input_file;
338 int64_t recording_time;
339 uint64_t limit_filesize;
345 int subtitle_disable;
348 /* indexed by output file stream index */
352 SpecifierOpt *metadata;
354 SpecifierOpt *max_frames;
356 SpecifierOpt *bitstream_filters;
357 int nb_bitstream_filters;
358 SpecifierOpt *codec_tags;
360 SpecifierOpt *sample_fmts;
362 SpecifierOpt *qscale;
364 SpecifierOpt *forced_key_frames;
365 int nb_forced_key_frames;
366 SpecifierOpt *force_fps;
368 SpecifierOpt *frame_aspect_ratios;
369 int nb_frame_aspect_ratios;
370 SpecifierOpt *rc_overrides;
372 SpecifierOpt *intra_matrices;
373 int nb_intra_matrices;
374 SpecifierOpt *inter_matrices;
375 int nb_inter_matrices;
376 SpecifierOpt *top_field_first;
377 int nb_top_field_first;
378 SpecifierOpt *presets;
380 SpecifierOpt *copy_initial_nonkeyframes;
381 int nb_copy_initial_nonkeyframes;
383 SpecifierOpt *filters;
388 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
391 for (i = 0; i < o->nb_ ## name; i++) {\
392 char *spec = o->name[i].specifier;\
393 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
394 outvar = o->name[i].u.type;\
400 static void reset_options(OptionsContext *o, int is_input)
402 const OptionDef *po = options;
403 OptionsContext bak= *o;
405 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
407 void *dst = (uint8_t*)o + po->u.off;
409 if (po->flags & OPT_SPEC) {
410 SpecifierOpt **so = dst;
411 int i, *count = (int*)(so + 1);
412 for (i = 0; i < *count; i++) {
413 av_freep(&(*so)[i].specifier);
414 if (po->flags & OPT_STRING)
415 av_freep(&(*so)[i].u.str);
419 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
424 av_freep(&o->stream_maps);
425 av_freep(&o->audio_channel_maps);
426 av_freep(&o->meta_data_maps);
427 av_freep(&o->streamid_map);
429 memset(o, 0, sizeof(*o));
431 if(is_input) o->recording_time = bak.recording_time;
432 else o->recording_time = INT64_MAX;
433 o->mux_max_delay = 0.7;
434 o->limit_filesize = UINT64_MAX;
435 o->chapters_input_file = INT_MAX;
443 static int configure_video_filters(InputStream *ist, OutputStream *ost)
445 AVFilterContext *last_filter, *filter;
446 /** filter graph containing all filters including input & output */
447 AVCodecContext *codec = ost->st->codec;
448 AVCodecContext *icodec = ist->st->codec;
449 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
450 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
451 AVRational sample_aspect_ratio;
455 ost->graph = avfilter_graph_alloc();
457 if (ist->st->sample_aspect_ratio.num){
458 sample_aspect_ratio = ist->st->sample_aspect_ratio;
460 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
462 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
463 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
464 sample_aspect_ratio.num, sample_aspect_ratio.den);
466 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
467 "src", args, NULL, ost->graph);
470 #if FF_API_OLD_VSINK_API
471 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
472 "out", NULL, pix_fmts, ost->graph);
474 buffersink_params->pixel_fmts = pix_fmts;
475 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
476 "out", NULL, buffersink_params, ost->graph);
478 av_freep(&buffersink_params);
481 last_filter = ost->input_video_filter;
483 if (codec->width != icodec->width || codec->height != icodec->height) {
484 snprintf(args, 255, "%d:%d:flags=0x%X",
487 (unsigned)ost->sws_flags);
488 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
489 NULL, args, NULL, ost->graph)) < 0)
491 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
493 last_filter = filter;
496 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
497 ost->graph->scale_sws_opts = av_strdup(args);
500 AVFilterInOut *outputs = avfilter_inout_alloc();
501 AVFilterInOut *inputs = avfilter_inout_alloc();
503 outputs->name = av_strdup("in");
504 outputs->filter_ctx = last_filter;
505 outputs->pad_idx = 0;
506 outputs->next = NULL;
508 inputs->name = av_strdup("out");
509 inputs->filter_ctx = ost->output_video_filter;
513 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
515 av_freep(&ost->avfilter);
517 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
521 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
524 codec->width = ost->output_video_filter->inputs[0]->w;
525 codec->height = ost->output_video_filter->inputs[0]->h;
526 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
527 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
528 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
529 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
533 #endif /* CONFIG_AVFILTER */
535 static void term_exit(void)
537 av_log(NULL, AV_LOG_QUIET, "%s", "");
540 tcsetattr (0, TCSANOW, &oldtty);
544 static volatile int received_sigterm = 0;
546 static void sigterm_handler(int sig)
548 received_sigterm = sig;
549 received_nb_signals++;
553 static void term_init(void)
563 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
564 |INLCR|IGNCR|ICRNL|IXON);
565 tty.c_oflag |= OPOST;
566 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
567 tty.c_cflag &= ~(CSIZE|PARENB);
572 tcsetattr (0, TCSANOW, &tty);
573 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
576 avformat_network_deinit();
578 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
579 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
581 signal(SIGXCPU, sigterm_handler);
585 /* read a key without blocking */
586 static int read_key(void)
598 n = select(1, &rfds, NULL, NULL, &tv);
607 # if HAVE_PEEKNAMEDPIPE
609 static HANDLE input_handle;
612 input_handle = GetStdHandle(STD_INPUT_HANDLE);
613 is_pipe = !GetConsoleMode(input_handle, &dw);
616 if (stdin->_cnt > 0) {
621 /* When running under a GUI, you will end here. */
622 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
639 static int decode_interrupt_cb(void *ctx)
641 return received_nb_signals > 1;
644 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
646 void av_noreturn exit_program(int ret)
651 for(i=0;i<nb_output_files;i++) {
652 AVFormatContext *s = output_files[i].ctx;
653 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
655 avformat_free_context(s);
656 av_dict_free(&output_files[i].opts);
658 for(i=0;i<nb_input_files;i++) {
659 av_close_input_file(input_files[i].ctx);
661 for (i = 0; i < nb_input_streams; i++)
662 av_dict_free(&input_streams[i].opts);
666 av_free(vstats_filename);
668 av_freep(&input_streams);
669 av_freep(&input_files);
670 av_freep(&output_streams);
671 av_freep(&output_files);
676 allocated_audio_buf_size= allocated_audio_out_size= 0;
682 avformat_network_deinit();
684 av_freep(&input_tmp);
686 if (received_sigterm) {
687 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
688 (int) received_sigterm);
692 exit(ret); /* not all OS-es handle main() return value */
695 static void assert_avoptions(AVDictionary *m)
697 AVDictionaryEntry *t;
698 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
699 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
704 static void assert_codec_experimental(AVCodecContext *c, int encoder)
706 const char *codec_string = encoder ? "encoder" : "decoder";
708 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
709 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
710 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
711 "results.\nAdd '-strict experimental' if you want to use it.\n",
712 codec_string, c->codec->name);
713 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
714 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
715 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
716 codec_string, codec->name);
721 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
723 if(codec && codec->sample_fmts){
724 const enum AVSampleFormat *p= codec->sample_fmts;
726 if(*p == st->codec->sample_fmt)
730 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
731 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
732 if(av_get_sample_fmt_name(st->codec->sample_fmt))
733 av_log(NULL, AV_LOG_WARNING,
734 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
735 av_get_sample_fmt_name(st->codec->sample_fmt),
737 av_get_sample_fmt_name(codec->sample_fmts[0]));
738 st->codec->sample_fmt = codec->sample_fmts[0];
743 static void choose_sample_rate(AVStream *st, AVCodec *codec)
745 if(codec && codec->supported_samplerates){
746 const int *p= codec->supported_samplerates;
748 int best_dist=INT_MAX;
750 int dist= abs(st->codec->sample_rate - *p);
751 if(dist < best_dist){
757 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
759 st->codec->sample_rate= best;
763 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
765 if(codec && codec->pix_fmts){
766 const enum PixelFormat *p= codec->pix_fmts;
767 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
768 if(st->codec->codec_id==CODEC_ID_MJPEG){
769 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
770 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
771 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};
774 for (; *p != PIX_FMT_NONE; p++) {
775 if(*p == st->codec->pix_fmt)
778 if (*p == PIX_FMT_NONE) {
779 if(st->codec->pix_fmt != PIX_FMT_NONE)
780 av_log(NULL, AV_LOG_WARNING,
781 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
782 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
784 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
785 st->codec->pix_fmt = codec->pix_fmts[0];
790 static double get_sync_ipts(const OutputStream *ost)
792 const InputStream *ist = ost->sync_ist;
793 OutputFile *of = &output_files[ost->file_index];
794 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
797 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
802 AVPacket new_pkt= *pkt;
803 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
804 &new_pkt.data, &new_pkt.size,
805 pkt->data, pkt->size,
806 pkt->flags & AV_PKT_FLAG_KEY);
809 new_pkt.destruct= av_destruct_packet;
811 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
812 bsfc->filter->name, pkt->stream_index,
813 avctx->codec ? avctx->codec->name : "copy");
823 ret= av_interleaved_write_frame(s, pkt);
825 print_error("av_interleaved_write_frame()", ret);
830 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
832 int fill_char = 0x00;
833 if (sample_fmt == AV_SAMPLE_FMT_U8)
835 memset(buf, fill_char, size);
838 static void do_audio_out(AVFormatContext *s,
841 unsigned char *buf, int size)
844 int64_t audio_out_size, audio_buf_size;
845 int64_t allocated_for_size= size;
847 int size_out, frame_bytes, ret, resample_changed;
848 AVCodecContext *enc= ost->st->codec;
849 AVCodecContext *dec= ist->st->codec;
850 int osize = av_get_bytes_per_sample(enc->sample_fmt);
851 int isize = av_get_bytes_per_sample(dec->sample_fmt);
852 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
855 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
856 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
857 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
858 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
859 audio_buf_size*= osize*enc->channels;
861 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
862 if(coded_bps > 8*osize)
863 audio_out_size= audio_out_size * coded_bps / (8*osize);
864 audio_out_size += FF_MIN_BUFFER_SIZE;
866 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
867 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
871 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
872 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
873 if (!audio_buf || !audio_out){
874 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
878 if (enc->channels != dec->channels
879 || enc->sample_fmt != dec->sample_fmt)
880 ost->audio_resample = 1;
882 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
883 ost->resample_channels != dec->channels ||
884 ost->resample_sample_rate != dec->sample_rate;
886 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
887 if (resample_changed) {
888 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",
889 ist->file_index, ist->st->index,
890 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
891 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
892 ost->resample_sample_fmt = dec->sample_fmt;
893 ost->resample_channels = dec->channels;
894 ost->resample_sample_rate = dec->sample_rate;
897 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
898 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
899 ost->resample_sample_fmt == enc->sample_fmt &&
900 ost->resample_channels == enc->channels &&
901 ost->resample_sample_rate == enc->sample_rate) {
903 ost->audio_resample = 0;
905 ost->swr = swr_alloc_set_opts(ost->swr,
906 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
907 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
909 if (ost->audio_channels_mapped)
910 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
911 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
912 if (ost->audio_channels_mapped) {
913 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
914 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
916 av_opt_set_int(ost->swr, "ich", dec->channels, 0);
917 av_opt_set_int(ost->swr, "och", enc->channels, 0);
918 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
919 if(ost->swr && swr_init(ost->swr) < 0){
920 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
925 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
926 dec->channels, dec->sample_rate,
927 enc->channels, enc->sample_rate);
933 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
935 if(audio_sync_method){
936 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
937 - av_fifo_size(ost->fifo)/(enc->channels * osize);
938 int idelta = delta * dec->sample_rate / enc->sample_rate;
939 int byte_delta = idelta * isize * dec->channels;
941 //FIXME resample delay
942 if(fabs(delta) > 50){
943 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
945 byte_delta= FFMAX(byte_delta, -size);
948 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
949 -byte_delta / (isize * dec->channels));
954 input_tmp= av_realloc(input_tmp, byte_delta + size);
956 if(byte_delta > allocated_for_size - size){
957 allocated_for_size= byte_delta + (int64_t)size;
962 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
963 memcpy(input_tmp + byte_delta, buf, size);
966 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
968 }else if(audio_sync_method>1){
969 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
970 av_assert0(ost->audio_resample);
971 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
972 delta, comp, enc->sample_rate);
973 // 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));
974 swr_compensate(ost->swr, comp, enc->sample_rate);
978 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
979 - av_fifo_size(ost->fifo)/(enc->channels * osize); //FIXME wrong
981 if (ost->audio_resample) {
983 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
984 (const uint8_t*[]){buf }, size / (dec->channels * isize));
985 size_out = size_out * enc->channels * osize;
991 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
993 /* now encode as many frames as possible */
994 if (enc->frame_size > 1) {
995 /* output resampled raw samples */
996 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
997 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1000 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1002 frame_bytes = enc->frame_size * osize * enc->channels;
1004 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1006 av_init_packet(&pkt);
1008 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1010 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1012 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1013 (short *)audio_buf);
1015 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1019 pkt.stream_index= ost->index;
1020 pkt.data= audio_out;
1022 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1023 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1024 pkt.flags |= AV_PKT_FLAG_KEY;
1025 write_frame(s, &pkt, enc, ost->bitstream_filters);
1027 ost->sync_opts += enc->frame_size;
1031 av_init_packet(&pkt);
1033 ost->sync_opts += size_out / (osize * enc->channels);
1035 /* output a pcm frame */
1036 /* determine the size of the coded buffer */
1039 size_out = size_out*coded_bps/8;
1041 if(size_out > audio_out_size){
1042 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1046 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1047 ret = avcodec_encode_audio(enc, audio_out, size_out,
1050 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1054 pkt.stream_index= ost->index;
1055 pkt.data= audio_out;
1057 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1058 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1059 pkt.flags |= AV_PKT_FLAG_KEY;
1060 write_frame(s, &pkt, enc, ost->bitstream_filters);
1064 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1066 AVCodecContext *dec;
1067 AVPicture *picture2;
1068 AVPicture picture_tmp;
1071 dec = ist->st->codec;
1073 /* deinterlace : must be done before any resize */
1074 if (do_deinterlace) {
1077 /* create temporary picture */
1078 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1079 buf = av_malloc(size);
1083 picture2 = &picture_tmp;
1084 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1086 if(avpicture_deinterlace(picture2, picture,
1087 dec->pix_fmt, dec->width, dec->height) < 0) {
1088 /* if error, do not deinterlace */
1089 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1098 if (picture != picture2)
1099 *picture = *picture2;
1103 static void do_subtitle_out(AVFormatContext *s,
1109 static uint8_t *subtitle_out = NULL;
1110 int subtitle_out_max_size = 1024 * 1024;
1111 int subtitle_out_size, nb, i;
1112 AVCodecContext *enc;
1115 if (pts == AV_NOPTS_VALUE) {
1116 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1122 enc = ost->st->codec;
1124 if (!subtitle_out) {
1125 subtitle_out = av_malloc(subtitle_out_max_size);
1128 /* Note: DVB subtitle need one packet to draw them and one other
1129 packet to clear them */
1130 /* XXX: signal it in the codec context ? */
1131 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1136 for(i = 0; i < nb; i++) {
1137 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1138 // start_display_time is required to be 0
1139 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1140 sub->end_display_time -= sub->start_display_time;
1141 sub->start_display_time = 0;
1142 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1143 subtitle_out_max_size, sub);
1144 if (subtitle_out_size < 0) {
1145 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1149 av_init_packet(&pkt);
1150 pkt.stream_index = ost->index;
1151 pkt.data = subtitle_out;
1152 pkt.size = subtitle_out_size;
1153 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1154 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1155 /* XXX: the pts correction is handled here. Maybe handling
1156 it in the codec would be better */
1158 pkt.pts += 90 * sub->start_display_time;
1160 pkt.pts += 90 * sub->end_display_time;
1162 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1166 static int bit_buffer_size= 1024*256;
1167 static uint8_t *bit_buffer= NULL;
1169 static void do_video_resample(OutputStream *ost,
1171 AVFrame *in_picture,
1172 AVFrame **out_picture)
1175 *out_picture = in_picture;
1177 AVCodecContext *dec = ist->st->codec;
1178 AVCodecContext *enc = ost->st->codec;
1179 int resample_changed = ost->resample_width != dec->width ||
1180 ost->resample_height != dec->height ||
1181 ost->resample_pix_fmt != dec->pix_fmt;
1183 *out_picture = in_picture;
1184 if (resample_changed) {
1185 av_log(NULL, AV_LOG_INFO,
1186 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1187 ist->file_index, ist->st->index,
1188 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1189 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1190 ost->resample_width = dec->width;
1191 ost->resample_height = dec->height;
1192 ost->resample_pix_fmt = dec->pix_fmt;
1195 ost->video_resample = dec->width != enc->width ||
1196 dec->height != enc->height ||
1197 dec->pix_fmt != enc->pix_fmt;
1199 if (ost->video_resample) {
1200 *out_picture = &ost->resample_frame;
1201 if (!ost->img_resample_ctx || resample_changed) {
1202 /* initialize the destination picture */
1203 if (!ost->resample_frame.data[0]) {
1204 avcodec_get_frame_defaults(&ost->resample_frame);
1205 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1206 enc->width, enc->height)) {
1207 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1211 /* initialize a new scaler context */
1212 sws_freeContext(ost->img_resample_ctx);
1213 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1214 enc->width, enc->height, enc->pix_fmt,
1215 ost->sws_flags, NULL, NULL, NULL);
1216 if (ost->img_resample_ctx == NULL) {
1217 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1221 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1222 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1228 static void do_video_out(AVFormatContext *s,
1231 AVFrame *in_picture,
1232 int *frame_size, float quality)
1234 int nb_frames, i, ret, format_video_sync;
1235 AVFrame *final_picture;
1236 AVCodecContext *enc;
1238 double duration = 0;
1240 enc = ost->st->codec;
1242 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1243 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1244 if(ist->st->avg_frame_rate.num)
1245 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1247 duration /= av_q2d(enc->time_base);
1250 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1252 /* by default, we output a single frame */
1257 format_video_sync = video_sync_method;
1258 if (format_video_sync < 0)
1259 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 : 2) : 1;
1261 if (format_video_sync) {
1262 double vdelta = sync_ipts - ost->sync_opts + duration;
1263 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1266 else if (format_video_sync == 2) {
1269 }else if(vdelta>0.6)
1270 ost->sync_opts= lrintf(sync_ipts);
1271 }else if (vdelta > 1.1)
1272 nb_frames = lrintf(vdelta);
1273 //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);
1274 if (nb_frames == 0){
1276 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1277 }else if (nb_frames > 1) {
1278 nb_frames_dup += nb_frames - 1;
1279 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1282 ost->sync_opts= lrintf(sync_ipts);
1284 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1288 do_video_resample(ost, ist, in_picture, &final_picture);
1290 /* duplicates frame if needed */
1291 for(i=0;i<nb_frames;i++) {
1293 av_init_packet(&pkt);
1294 pkt.stream_index= ost->index;
1296 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1297 /* raw pictures are written as AVPicture structure to
1298 avoid any copies. We support temporarily the older
1300 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1301 enc->coded_frame->top_field_first = in_picture->top_field_first;
1302 pkt.data= (uint8_t *)final_picture;
1303 pkt.size= sizeof(AVPicture);
1304 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1305 pkt.flags |= AV_PKT_FLAG_KEY;
1307 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1309 AVFrame big_picture;
1311 big_picture= *final_picture;
1312 /* better than nothing: use input picture interlaced
1314 big_picture.interlaced_frame = in_picture->interlaced_frame;
1315 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1316 if (ost->top_field_first == -1)
1317 big_picture.top_field_first = in_picture->top_field_first;
1319 big_picture.top_field_first = !!ost->top_field_first;
1322 /* handles same_quant here. This is not correct because it may
1323 not be a global option */
1324 big_picture.quality = quality;
1325 if (!enc->me_threshold)
1326 big_picture.pict_type = 0;
1327 // big_picture.pts = AV_NOPTS_VALUE;
1328 big_picture.pts= ost->sync_opts;
1329 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1330 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1331 if (ost->forced_kf_index < ost->forced_kf_count &&
1332 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1333 big_picture.pict_type = AV_PICTURE_TYPE_I;
1334 ost->forced_kf_index++;
1336 ret = avcodec_encode_video(enc,
1337 bit_buffer, bit_buffer_size,
1340 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1345 pkt.data= bit_buffer;
1347 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1348 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1349 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1350 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1351 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1353 if(enc->coded_frame->key_frame)
1354 pkt.flags |= AV_PKT_FLAG_KEY;
1355 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1358 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1359 // enc->frame_number-1, ret, enc->pict_type);
1360 /* if two pass, output log */
1361 if (ost->logfile && enc->stats_out) {
1362 fprintf(ost->logfile, "%s", enc->stats_out);
1367 ost->frame_number++;
1371 static double psnr(double d)
1373 return -10.0*log(d)/log(10.0);
1376 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1379 AVCodecContext *enc;
1381 double ti1, bitrate, avg_bitrate;
1383 /* this is executed just the first time do_video_stats is called */
1385 vstats_file = fopen(vstats_filename, "w");
1392 enc = ost->st->codec;
1393 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1394 frame_number = ost->frame_number;
1395 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1396 if (enc->flags&CODEC_FLAG_PSNR)
1397 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1399 fprintf(vstats_file,"f_size= %6d ", frame_size);
1400 /* compute pts value */
1401 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1405 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1406 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1407 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1408 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1409 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1413 static void print_report(OutputFile *output_files,
1414 OutputStream *ost_table, int nb_ostreams,
1415 int is_last_report, int64_t timer_start, int64_t cur_time)
1419 AVFormatContext *oc;
1421 AVCodecContext *enc;
1422 int frame_number, vid, i;
1424 int64_t pts = INT64_MAX;
1425 static int64_t last_time = -1;
1426 static int qp_histogram[52];
1427 int hours, mins, secs, us;
1429 if (!print_stats && !is_last_report)
1432 if (!is_last_report) {
1433 if (last_time == -1) {
1434 last_time = cur_time;
1437 if ((cur_time - last_time) < 500000)
1439 last_time = cur_time;
1443 oc = output_files[0].ctx;
1445 total_size = avio_size(oc->pb);
1446 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1447 total_size= avio_tell(oc->pb);
1454 for(i=0;i<nb_ostreams;i++) {
1456 ost = &ost_table[i];
1457 enc = ost->st->codec;
1458 if (!ost->stream_copy && enc->coded_frame)
1459 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1460 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1461 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1463 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1464 float t = (cur_time-timer_start) / 1000000.0;
1466 frame_number = ost->frame_number;
1467 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1468 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1470 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1474 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1477 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1479 if (enc->flags&CODEC_FLAG_PSNR){
1481 double error, error_sum=0;
1482 double scale, scale_sum=0;
1483 char type[3]= {'Y','U','V'};
1484 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1487 error= enc->error[j];
1488 scale= enc->width*enc->height*255.0*255.0*frame_number;
1490 error= enc->coded_frame->error[j];
1491 scale= enc->width*enc->height*255.0*255.0;
1496 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1498 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1502 /* compute min output value */
1503 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1504 ost->st->time_base, AV_TIME_BASE_Q));
1507 secs = pts / AV_TIME_BASE;
1508 us = pts % AV_TIME_BASE;
1514 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1516 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1517 "size=%8.0fkB time=", total_size / 1024.0);
1518 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1519 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1520 (100 * us) / AV_TIME_BASE);
1521 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1522 "bitrate=%6.1fkbits/s", bitrate);
1524 if (nb_frames_dup || nb_frames_drop)
1525 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1526 nb_frames_dup, nb_frames_drop);
1528 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1532 if (is_last_report) {
1533 int64_t raw= audio_size + video_size + extra_size;
1534 av_log(NULL, AV_LOG_INFO, "\n");
1535 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1539 100.0*(total_size - raw)/raw
1541 if(video_size + audio_size + extra_size == 0){
1542 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1547 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1551 for (i = 0; i < nb_ostreams; i++) {
1552 OutputStream *ost = &ost_table[i];
1553 AVCodecContext *enc = ost->st->codec;
1554 AVFormatContext *os = output_files[ost->file_index].ctx;
1556 if (!ost->encoding_needed)
1559 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1561 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1567 av_init_packet(&pkt);
1568 pkt.stream_index= ost->index;
1570 switch (ost->st->codec->codec_type) {
1571 case AVMEDIA_TYPE_AUDIO:
1572 fifo_bytes = av_fifo_size(ost->fifo);
1574 /* encode any samples remaining in fifo */
1575 if (fifo_bytes > 0) {
1576 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1577 int fs_tmp = enc->frame_size;
1579 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1580 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1581 enc->frame_size = fifo_bytes / (osize * enc->channels);
1583 int frame_bytes = enc->frame_size*osize*enc->channels;
1584 if (allocated_audio_buf_size < frame_bytes)
1586 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1589 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1590 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1591 ost->st->time_base.num, enc->sample_rate);
1592 enc->frame_size = fs_tmp;
1595 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1598 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1602 pkt.flags |= AV_PKT_FLAG_KEY;
1604 case AVMEDIA_TYPE_VIDEO:
1605 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1607 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1611 if(enc->coded_frame && enc->coded_frame->key_frame)
1612 pkt.flags |= AV_PKT_FLAG_KEY;
1613 if (ost->logfile && enc->stats_out) {
1614 fprintf(ost->logfile, "%s", enc->stats_out);
1623 pkt.data = bit_buffer;
1625 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1626 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1627 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1633 * Check whether a packet from ist should be written into ost at this time
1635 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1637 OutputFile *of = &output_files[ost->file_index];
1638 int ist_index = ist - input_streams;
1640 if (ost->source_index != ist_index)
1643 if (of->start_time && ist->pts < of->start_time)
1646 if (of->recording_time != INT64_MAX &&
1647 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1648 (AVRational){1, 1000000}) >= 0) {
1649 ost->is_past_recording_time = 1;
1656 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1658 OutputFile *of = &output_files[ost->file_index];
1659 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1663 av_init_packet(&opkt);
1665 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1666 !ost->copy_initial_nonkeyframes)
1669 /* force the input stream PTS */
1670 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1671 audio_size += pkt->size;
1672 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1673 video_size += pkt->size;
1677 opkt.stream_index = ost->index;
1678 if (pkt->pts != AV_NOPTS_VALUE)
1679 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1681 opkt.pts = AV_NOPTS_VALUE;
1683 if (pkt->dts == AV_NOPTS_VALUE)
1684 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1686 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1687 opkt.dts -= ost_tb_start_time;
1689 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1690 opkt.flags = pkt->flags;
1692 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1693 if( ost->st->codec->codec_id != CODEC_ID_H264
1694 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1695 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1697 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1698 opkt.destruct = av_destruct_packet;
1700 opkt.data = pkt->data;
1701 opkt.size = pkt->size;
1703 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1704 /* store AVPicture in AVPacket, as expected by the output format */
1705 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1706 opkt.data = (uint8_t *)&pict;
1707 opkt.size = sizeof(AVPicture);
1708 opkt.flags |= AV_PKT_FLAG_KEY;
1711 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1712 ost->st->codec->frame_number++;
1713 ost->frame_number++;
1714 av_free_packet(&opkt);
1717 static void rate_emu_sleep(InputStream *ist)
1719 if (input_files[ist->file_index].rate_emu) {
1720 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1721 int64_t now = av_gettime() - ist->start;
1727 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1729 static unsigned int samples_size = 0;
1730 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1731 uint8_t *decoded_data_buf = NULL;
1732 int decoded_data_size = 0;
1735 if (pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1737 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1738 samples = av_malloc(samples_size);
1740 decoded_data_size = samples_size;
1742 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1746 *got_output = decoded_data_size > 0;
1748 /* Some bug in mpeg audio decoder gives */
1749 /* decoded_data_size < 0, it seems they are overflows */
1751 /* no audio frame */
1755 decoded_data_buf = (uint8_t *)samples;
1756 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1757 (ist->st->codec->sample_rate * ist->st->codec->channels);
1759 // preprocess audio (volume)
1760 if (audio_volume != 256) {
1761 switch (ist->st->codec->sample_fmt) {
1762 case AV_SAMPLE_FMT_U8:
1764 uint8_t *volp = samples;
1765 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1766 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1767 *volp++ = av_clip_uint8(v);
1771 case AV_SAMPLE_FMT_S16:
1773 int16_t *volp = samples;
1774 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1775 int v = ((*volp) * audio_volume + 128) >> 8;
1776 *volp++ = av_clip_int16(v);
1780 case AV_SAMPLE_FMT_S32:
1782 int32_t *volp = samples;
1783 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1784 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1785 *volp++ = av_clipl_int32(v);
1789 case AV_SAMPLE_FMT_FLT:
1791 float *volp = samples;
1792 float scale = audio_volume / 256.f;
1793 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1798 case AV_SAMPLE_FMT_DBL:
1800 double *volp = samples;
1801 double scale = audio_volume / 256.;
1802 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1808 av_log(NULL, AV_LOG_FATAL,
1809 "Audio volume adjustment on sample format %s is not supported.\n",
1810 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1815 rate_emu_sleep(ist);
1817 for (i = 0; i < nb_output_streams; i++) {
1818 OutputStream *ost = &output_streams[i];
1820 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1822 do_audio_out(output_files[ost->file_index].ctx, ost, ist,
1823 decoded_data_buf, decoded_data_size);
1828 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
1830 AVFrame *decoded_frame, *filtered_frame = NULL;
1831 void *buffer_to_free = NULL;
1835 int frame_available = 1;
1838 if (!(decoded_frame = avcodec_alloc_frame()))
1839 return AVERROR(ENOMEM);
1840 pkt->pts = *pkt_pts;
1841 pkt->dts = *pkt_dts;
1842 *pkt_pts = AV_NOPTS_VALUE;
1844 if(*pkt_dts != AV_NOPTS_VALUE && ist->st->codec->time_base.num != 0) {
1845 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1846 *pkt_dts += ((int64_t)AV_TIME_BASE *
1847 ist->st->codec->time_base.num * ticks) /
1848 ist->st->codec->time_base.den;
1850 *pkt_dts = AV_NOPTS_VALUE;
1852 ret = avcodec_decode_video2(ist->st->codec,
1853 decoded_frame, got_output, pkt);
1857 quality = same_quant ? decoded_frame->quality : 0;
1859 /* no picture yet */
1860 av_freep(&decoded_frame);
1864 if(decoded_frame->best_effort_timestamp != AV_NOPTS_VALUE)
1865 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1867 if (ist->st->codec->time_base.num != 0) {
1868 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1869 ist->st->codec->ticks_per_frame;
1870 ist->next_pts += ((int64_t)AV_TIME_BASE *
1871 ist->st->codec->time_base.num * ticks) /
1872 ist->st->codec->time_base.den;
1876 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1879 for(i=0;i<nb_output_streams;i++) {
1880 OutputStream *ost = ost = &output_streams[i];
1881 if(check_output_constraints(ist, ost)){
1882 if (!decoded_frame->sample_aspect_ratio.num)
1883 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1884 decoded_frame->pts = ist->pts;
1886 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1891 rate_emu_sleep(ist);
1893 for (i = 0; i < nb_output_streams; i++) {
1894 OutputStream *ost = &output_streams[i];
1897 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1901 if (ost->input_video_filter) {
1902 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1904 while (frame_available) {
1905 if (ost->output_video_filter) {
1906 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1907 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1909 if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
1910 ret = AVERROR(ENOMEM);
1913 *filtered_frame= *decoded_frame; //for me_threshold
1915 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1916 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1919 if (ost->picref->video && !ost->frame_aspect_ratio)
1920 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1922 filtered_frame = decoded_frame;
1925 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1926 same_quant ? quality : ost->st->codec->global_quality);
1927 if (vstats_filename && frame_size)
1928 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1931 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1932 avfilter_unref_buffer(ost->picref);
1934 av_freep(&filtered_frame);
1939 av_free(buffer_to_free);
1940 av_freep(&decoded_frame);
1944 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1946 AVSubtitle subtitle;
1947 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1948 &subtitle, got_output, pkt);
1954 rate_emu_sleep(ist);
1956 for (i = 0; i < nb_output_streams; i++) {
1957 OutputStream *ost = &output_streams[i];
1959 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1962 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
1965 avsubtitle_free(&subtitle);
1969 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1970 static int output_packet(InputStream *ist,
1971 OutputStream *ost_table, int nb_ostreams,
1972 const AVPacket *pkt)
1976 int64_t pkt_dts = AV_NOPTS_VALUE;
1977 int64_t pkt_pts = AV_NOPTS_VALUE;
1981 if (ist->next_pts == AV_NOPTS_VALUE)
1982 ist->next_pts = ist->pts;
1986 av_init_packet(&avpkt);
1994 if(pkt->dts != AV_NOPTS_VALUE){
1995 if(ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1996 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1997 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1999 if(pkt->pts != AV_NOPTS_VALUE)
2000 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2002 //while we have more to decode or while the decoder did output something on EOF
2003 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2006 ist->pts = ist->next_pts;
2008 if (avpkt.size && avpkt.size != pkt->size) {
2009 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2010 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2011 ist->showed_multi_packet_warning = 1;
2014 switch(ist->st->codec->codec_type) {
2015 case AVMEDIA_TYPE_AUDIO:
2016 ret = transcode_audio (ist, &avpkt, &got_output);
2018 case AVMEDIA_TYPE_VIDEO:
2019 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2021 case AVMEDIA_TYPE_SUBTITLE:
2022 ret = transcode_subtitles(ist, &avpkt, &got_output);
2030 // touch data and size only if not EOF
2032 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2042 /* handle stream copy */
2043 if (!ist->decoding_needed) {
2044 rate_emu_sleep(ist);
2045 switch (ist->st->codec->codec_type) {
2046 case AVMEDIA_TYPE_AUDIO:
2047 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2048 ist->st->codec->sample_rate;
2050 case AVMEDIA_TYPE_VIDEO:
2051 if (ist->st->codec->time_base.num != 0) {
2052 int ticks = ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2053 ist->next_pts += ((int64_t)AV_TIME_BASE *
2054 ist->st->codec->time_base.num * ticks) /
2055 ist->st->codec->time_base.den;
2060 for (i = 0; pkt && i < nb_ostreams; i++) {
2061 OutputStream *ost = &ost_table[i];
2063 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2066 do_streamcopy(ist, ost, pkt);
2072 static void print_sdp(OutputFile *output_files, int n)
2076 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2080 for (i = 0; i < n; i++)
2081 avc[i] = output_files[i].ctx;
2083 av_sdp_create(avc, n, sdp, sizeof(sdp));
2084 printf("SDP:\n%s\n", sdp);
2089 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2090 char *error, int error_len)
2092 InputStream *ist = &input_streams[ist_index];
2093 if (ist->decoding_needed) {
2094 AVCodec *codec = ist->dec;
2096 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2097 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2098 return AVERROR(EINVAL);
2100 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2101 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2102 ist->file_index, ist->st->index);
2103 return AVERROR(EINVAL);
2105 assert_codec_experimental(ist->st->codec, 0);
2106 assert_avoptions(ist->opts);
2109 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;
2110 ist->next_pts = AV_NOPTS_VALUE;
2116 static int transcode_init(OutputFile *output_files, int nb_output_files,
2117 InputFile *input_files, int nb_input_files)
2119 int ret = 0, i, j, k;
2120 AVFormatContext *oc;
2121 AVCodecContext *codec, *icodec;
2127 /* init framerate emulation */
2128 for (i = 0; i < nb_input_files; i++) {
2129 InputFile *ifile = &input_files[i];
2130 if (ifile->rate_emu)
2131 for (j = 0; j < ifile->nb_streams; j++)
2132 input_streams[j + ifile->ist_index].start = av_gettime();
2135 /* output stream init */
2136 for (i = 0; i < nb_output_files; i++) {
2137 oc = output_files[i].ctx;
2138 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2139 av_dump_format(oc, i, oc->filename, 1);
2140 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2141 return AVERROR(EINVAL);
2145 /* for each output stream, we compute the right encoding parameters */
2146 for (i = 0; i < nb_output_streams; i++) {
2147 ost = &output_streams[i];
2148 oc = output_files[ost->file_index].ctx;
2149 ist = &input_streams[ost->source_index];
2151 if (ost->attachment_filename)
2154 codec = ost->st->codec;
2155 icodec = ist->st->codec;
2157 ost->st->disposition = ist->st->disposition;
2158 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2159 codec->chroma_sample_location = icodec->chroma_sample_location;
2161 if (ost->stream_copy) {
2162 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2164 if (extra_size > INT_MAX) {
2165 return AVERROR(EINVAL);
2168 /* if stream_copy is selected, no need to decode or encode */
2169 codec->codec_id = icodec->codec_id;
2170 codec->codec_type = icodec->codec_type;
2172 if (!codec->codec_tag) {
2173 if (!oc->oformat->codec_tag ||
2174 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2175 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2176 codec->codec_tag = icodec->codec_tag;
2179 codec->bit_rate = icodec->bit_rate;
2180 codec->rc_max_rate = icodec->rc_max_rate;
2181 codec->rc_buffer_size = icodec->rc_buffer_size;
2182 codec->extradata = av_mallocz(extra_size);
2183 if (!codec->extradata) {
2184 return AVERROR(ENOMEM);
2186 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2187 codec->extradata_size= icodec->extradata_size;
2189 codec->time_base = ist->st->time_base;
2190 if(!strcmp(oc->oformat->name, "avi")) {
2192 av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) &&
2193 av_q2d(ist->st->time_base) < 1.0/500){
2194 codec->time_base = icodec->time_base;
2195 codec->time_base.num *= icodec->ticks_per_frame;
2196 codec->time_base.den *= 2;
2198 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)) {
2199 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){
2200 codec->time_base = icodec->time_base;
2201 codec->time_base.num *= icodec->ticks_per_frame;
2204 av_reduce(&codec->time_base.num, &codec->time_base.den,
2205 codec->time_base.num, codec->time_base.den, INT_MAX);
2207 switch(codec->codec_type) {
2208 case AVMEDIA_TYPE_AUDIO:
2209 if(audio_volume != 256) {
2210 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2213 codec->channel_layout = icodec->channel_layout;
2214 codec->sample_rate = icodec->sample_rate;
2215 codec->channels = icodec->channels;
2216 codec->frame_size = icodec->frame_size;
2217 codec->audio_service_type = icodec->audio_service_type;
2218 codec->block_align = icodec->block_align;
2220 case AVMEDIA_TYPE_VIDEO:
2221 codec->pix_fmt = icodec->pix_fmt;
2222 codec->width = icodec->width;
2223 codec->height = icodec->height;
2224 codec->has_b_frames = icodec->has_b_frames;
2225 if (!codec->sample_aspect_ratio.num) {
2226 codec->sample_aspect_ratio =
2227 ost->st->sample_aspect_ratio =
2228 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2229 ist->st->codec->sample_aspect_ratio.num ?
2230 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2232 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2234 case AVMEDIA_TYPE_SUBTITLE:
2235 codec->width = icodec->width;
2236 codec->height = icodec->height;
2238 case AVMEDIA_TYPE_DATA:
2239 case AVMEDIA_TYPE_ATTACHMENT:
2246 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2248 ist->decoding_needed = 1;
2249 ost->encoding_needed = 1;
2251 switch(codec->codec_type) {
2252 case AVMEDIA_TYPE_AUDIO:
2253 ost->fifo = av_fifo_alloc(1024);
2255 return AVERROR(ENOMEM);
2257 if (!codec->sample_rate)
2258 codec->sample_rate = icodec->sample_rate;
2259 choose_sample_rate(ost->st, ost->enc);
2260 codec->time_base = (AVRational){1, codec->sample_rate};
2262 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2263 codec->sample_fmt = icodec->sample_fmt;
2264 choose_sample_fmt(ost->st, ost->enc);
2266 if (ost->audio_channels_mapped) {
2267 /* the requested output channel is set to the number of
2268 * -map_channel only if no -ac are specified */
2269 if (!codec->channels) {
2270 codec->channels = ost->audio_channels_mapped;
2271 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2272 if (!codec->channel_layout) {
2273 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2277 /* fill unused channel mapping with -1 (which means a muted
2278 * channel in case the number of output channels is bigger
2279 * than the number of mapped channel) */
2280 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2281 ost->audio_channels_map[j] = -1;
2282 } else if (!codec->channels) {
2283 codec->channels = icodec->channels;
2284 codec->channel_layout = icodec->channel_layout;
2286 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2287 codec->channel_layout = 0;
2289 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2290 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2291 || codec->channel_layout != icodec->channel_layout;
2292 icodec->request_channels = codec->channels;
2293 ost->resample_sample_fmt = icodec->sample_fmt;
2294 ost->resample_sample_rate = icodec->sample_rate;
2295 ost->resample_channels = icodec->channels;
2297 case AVMEDIA_TYPE_VIDEO:
2298 if (codec->pix_fmt == PIX_FMT_NONE)
2299 codec->pix_fmt = icodec->pix_fmt;
2300 choose_pixel_fmt(ost->st, ost->enc);
2302 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2303 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2307 if (!codec->width || !codec->height) {
2308 codec->width = icodec->width;
2309 codec->height = icodec->height;
2312 ost->video_resample = codec->width != icodec->width ||
2313 codec->height != icodec->height ||
2314 codec->pix_fmt != icodec->pix_fmt;
2315 if (ost->video_resample) {
2316 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2319 ost->resample_height = icodec->height;
2320 ost->resample_width = icodec->width;
2321 ost->resample_pix_fmt = icodec->pix_fmt;
2323 if (!ost->frame_rate.num)
2324 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2325 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2326 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2327 ost->frame_rate = ost->enc->supported_framerates[idx];
2329 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2330 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2331 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2332 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2333 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2335 for (j = 0; j < ost->forced_kf_count; j++)
2336 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2341 if (configure_video_filters(ist, ost)) {
2342 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2347 case AVMEDIA_TYPE_SUBTITLE:
2354 if (codec->codec_id != CODEC_ID_H264 &&
2355 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2356 char logfilename[1024];
2359 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2360 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2362 if (codec->flags & CODEC_FLAG_PASS2) {
2364 size_t logbuffer_size;
2365 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2366 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2370 codec->stats_in = logbuffer;
2372 if (codec->flags & CODEC_FLAG_PASS1) {
2373 f = fopen(logfilename, "wb");
2375 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2376 logfilename, strerror(errno));
2383 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2384 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2385 int size = codec->width * codec->height;
2386 bit_buffer_size = FFMAX(bit_buffer_size, 7*size + 10000);
2391 bit_buffer = av_malloc(bit_buffer_size);
2393 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2395 return AVERROR(ENOMEM);
2398 /* open each encoder */
2399 for (i = 0; i < nb_output_streams; i++) {
2400 ost = &output_streams[i];
2401 if (ost->encoding_needed) {
2402 AVCodec *codec = ost->enc;
2403 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2405 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2406 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2407 ret = AVERROR(EINVAL);
2410 if (dec->subtitle_header) {
2411 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2412 if (!ost->st->codec->subtitle_header) {
2413 ret = AVERROR(ENOMEM);
2416 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2417 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2419 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2420 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2421 ost->file_index, ost->index);
2422 ret = AVERROR(EINVAL);
2425 assert_codec_experimental(ost->st->codec, 1);
2426 assert_avoptions(ost->opts);
2427 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2428 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2429 " It takes bits/s as argument, not kbits/s\n");
2430 extra_size += ost->st->codec->extradata_size;
2432 if (ost->st->codec->me_threshold)
2433 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2437 /* init input streams */
2438 for (i = 0; i < nb_input_streams; i++)
2439 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2442 /* discard unused programs */
2443 for (i = 0; i < nb_input_files; i++) {
2444 InputFile *ifile = &input_files[i];
2445 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2446 AVProgram *p = ifile->ctx->programs[j];
2447 int discard = AVDISCARD_ALL;
2449 for (k = 0; k < p->nb_stream_indexes; k++)
2450 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2451 discard = AVDISCARD_DEFAULT;
2454 p->discard = discard;
2458 /* open files and write file headers */
2459 for (i = 0; i < nb_output_files; i++) {
2460 oc = output_files[i].ctx;
2461 oc->interrupt_callback = int_cb;
2462 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2463 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2464 ret = AVERROR(EINVAL);
2467 // assert_avoptions(output_files[i].opts);
2468 if (strcmp(oc->oformat->name, "rtp")) {
2474 /* dump the file output parameters - cannot be done before in case
2476 for (i = 0; i < nb_output_files; i++) {
2477 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2480 /* dump the stream mapping */
2481 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2482 for (i = 0; i < nb_output_streams; i++) {
2483 ost = &output_streams[i];
2485 if (ost->attachment_filename) {
2486 /* an attached file */
2487 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2488 ost->attachment_filename, ost->file_index, ost->index);
2491 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2492 input_streams[ost->source_index].file_index,
2493 input_streams[ost->source_index].st->index,
2496 if (ost->audio_channels_mapped) {
2497 av_log(NULL, AV_LOG_INFO, " [ch:");
2498 for (j = 0; j < ost->audio_channels_mapped; j++)
2499 if (ost->audio_channels_map[j] == -1)
2500 av_log(NULL, AV_LOG_INFO, " M");
2502 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2503 av_log(NULL, AV_LOG_INFO, "]");
2505 if (ost->sync_ist != &input_streams[ost->source_index])
2506 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2507 ost->sync_ist->file_index,
2508 ost->sync_ist->st->index);
2509 if (ost->stream_copy)
2510 av_log(NULL, AV_LOG_INFO, " (copy)");
2512 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2513 input_streams[ost->source_index].dec->name : "?",
2514 ost->enc ? ost->enc->name : "?");
2515 av_log(NULL, AV_LOG_INFO, "\n");
2519 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2524 print_sdp(output_files, nb_output_files);
2531 * The following code is the main loop of the file converter
2533 static int transcode(OutputFile *output_files, int nb_output_files,
2534 InputFile *input_files, int nb_input_files)
2537 AVFormatContext *is, *os;
2541 int no_packet_count=0;
2542 int64_t timer_start;
2545 if (!(no_packet = av_mallocz(nb_input_files)))
2548 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2553 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2556 timer_start = av_gettime();
2558 for(; received_sigterm == 0;) {
2559 int file_index, ist_index;
2563 int64_t cur_time= av_gettime();
2565 ipts_min= INT64_MAX;
2567 /* if 'q' pressed, exits */
2569 static int64_t last_time;
2570 if (received_nb_signals)
2572 /* read_key() returns 0 on EOF */
2573 if(cur_time - last_time >= 100000 && !run_as_daemon){
2575 last_time = cur_time;
2580 if (key == '+') av_log_set_level(av_log_get_level()+10);
2581 if (key == '-') av_log_set_level(av_log_get_level()-10);
2582 if (key == 's') qp_hist ^= 1;
2585 do_hex_dump = do_pkt_dump = 0;
2586 } else if(do_pkt_dump){
2590 av_log_set_level(AV_LOG_DEBUG);
2593 if (key == 'c' || key == 'C'){
2594 char buf[4096], target[64], command[256], arg[256] = {0};
2597 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2599 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2604 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2605 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2606 target, time, command, arg);
2607 for (i = 0; i < nb_output_streams; i++) {
2608 ost = &output_streams[i];
2611 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2612 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2613 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2615 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2620 av_log(NULL, AV_LOG_ERROR,
2621 "Parse error, at least 3 arguments were expected, "
2622 "only %d given in string '%s'\n", n, buf);
2626 if (key == 'd' || key == 'D'){
2629 debug = input_streams[0].st->codec->debug<<1;
2630 if(!debug) debug = 1;
2631 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2634 if(scanf("%d", &debug)!=1)
2635 fprintf(stderr,"error parsing debug value\n");
2636 for(i=0;i<nb_input_streams;i++) {
2637 input_streams[i].st->codec->debug = debug;
2639 for(i=0;i<nb_output_streams;i++) {
2640 ost = &output_streams[i];
2641 ost->st->codec->debug = debug;
2643 if(debug) av_log_set_level(AV_LOG_DEBUG);
2644 fprintf(stderr,"debug=%d\n", debug);
2647 fprintf(stderr, "key function\n"
2648 "? show this help\n"
2649 "+ increase verbosity\n"
2650 "- decrease verbosity\n"
2651 "c Send command to filtergraph\n"
2652 "D cycle through available debug modes\n"
2653 "h dump packets/hex press to cycle through the 3 states\n"
2655 "s Show QP histogram\n"
2660 /* select the stream that we must read now by looking at the
2661 smallest output pts */
2663 for (i = 0; i < nb_output_streams; i++) {
2667 ost = &output_streams[i];
2668 of = &output_files[ost->file_index];
2669 os = output_files[ost->file_index].ctx;
2670 ist = &input_streams[ost->source_index];
2671 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2672 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2674 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2676 if (!input_files[ist->file_index].eof_reached){
2677 if(ipts < ipts_min) {
2679 if(input_sync ) file_index = ist->file_index;
2681 if(opts < opts_min) {
2683 if(!input_sync) file_index = ist->file_index;
2686 if (ost->frame_number >= ost->max_frames) {
2688 for (j = 0; j < of->ctx->nb_streams; j++)
2689 output_streams[of->ost_index + j].is_past_recording_time = 1;
2693 /* if none, if is finished */
2694 if (file_index < 0) {
2695 if(no_packet_count){
2697 memset(no_packet, 0, nb_input_files);
2704 /* read a frame from it and output it in the fifo */
2705 is = input_files[file_index].ctx;
2706 ret= av_read_frame(is, &pkt);
2707 if(ret == AVERROR(EAGAIN)){
2708 no_packet[file_index]=1;
2713 input_files[file_index].eof_reached = 1;
2721 memset(no_packet, 0, nb_input_files);
2724 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2725 is->streams[pkt.stream_index]);
2727 /* the following test is needed in case new streams appear
2728 dynamically in stream : we ignore them */
2729 if (pkt.stream_index >= input_files[file_index].nb_streams)
2730 goto discard_packet;
2731 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2732 ist = &input_streams[ist_index];
2734 goto discard_packet;
2736 if (pkt.dts != AV_NOPTS_VALUE)
2737 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2738 if (pkt.pts != AV_NOPTS_VALUE)
2739 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2741 if(pkt.pts != AV_NOPTS_VALUE)
2742 pkt.pts *= ist->ts_scale;
2743 if(pkt.dts != AV_NOPTS_VALUE)
2744 pkt.dts *= ist->ts_scale;
2746 // 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);
2747 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2748 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2749 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2750 int64_t delta= pkt_dts - ist->next_pts;
2751 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2752 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2753 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2754 pkt_dts+1<ist->pts)&& !copy_ts){
2755 input_files[ist->file_index].ts_offset -= delta;
2756 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2757 delta, input_files[ist->file_index].ts_offset);
2758 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2759 if(pkt.pts != AV_NOPTS_VALUE)
2760 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2764 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2765 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2767 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2768 ist->file_index, ist->st->index);
2771 av_free_packet(&pkt);
2776 av_free_packet(&pkt);
2778 /* dump report by using the output first video and audio streams */
2779 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2782 /* at the end of stream, we must flush the decoder buffers */
2783 for (i = 0; i < nb_input_streams; i++) {
2784 ist = &input_streams[i];
2785 if (ist->decoding_needed) {
2786 output_packet(ist, output_streams, nb_output_streams, NULL);
2789 flush_encoders(output_streams, nb_output_streams);
2793 /* write the trailer if needed and close file */
2794 for(i=0;i<nb_output_files;i++) {
2795 os = output_files[i].ctx;
2796 av_write_trailer(os);
2799 /* dump report by using the first video and audio streams */
2800 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
2802 /* close each encoder */
2803 for (i = 0; i < nb_output_streams; i++) {
2804 ost = &output_streams[i];
2805 if (ost->encoding_needed) {
2806 av_freep(&ost->st->codec->stats_in);
2807 avcodec_close(ost->st->codec);
2810 avfilter_graph_free(&ost->graph);
2814 /* close each decoder */
2815 for (i = 0; i < nb_input_streams; i++) {
2816 ist = &input_streams[i];
2817 if (ist->decoding_needed) {
2818 avcodec_close(ist->st->codec);
2826 av_freep(&bit_buffer);
2827 av_freep(&no_packet);
2829 if (output_streams) {
2830 for (i = 0; i < nb_output_streams; i++) {
2831 ost = &output_streams[i];
2833 if (ost->stream_copy)
2834 av_freep(&ost->st->codec->extradata);
2836 fclose(ost->logfile);
2837 ost->logfile = NULL;
2839 av_fifo_free(ost->fifo); /* works even if fifo is not
2840 initialized but set to zero */
2841 av_freep(&ost->st->codec->subtitle_header);
2842 av_free(ost->resample_frame.data[0]);
2843 av_free(ost->forced_kf_pts);
2844 if (ost->video_resample)
2845 sws_freeContext(ost->img_resample_ctx);
2846 swr_free(&ost->swr);
2847 av_dict_free(&ost->opts);
2854 static int opt_frame_crop(const char *opt, const char *arg)
2856 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
2857 return AVERROR(EINVAL);
2860 static int opt_pad(const char *opt, const char *arg)
2862 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
2866 static double parse_frame_aspect_ratio(const char *arg)
2873 p = strchr(arg, ':');
2875 x = strtol(arg, &end, 10);
2877 y = strtol(end+1, &end, 10);
2879 ar = (double)x / (double)y;
2881 ar = strtod(arg, NULL);
2884 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2890 static int opt_video_channel(const char *opt, const char *arg)
2892 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2893 return opt_default("channel", arg);
2896 static int opt_video_standard(const char *opt, const char *arg)
2898 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2899 return opt_default("standard", arg);
2902 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2904 audio_codec_name = arg;
2905 return parse_option(o, "codec:a", arg, options);
2908 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2910 video_codec_name = arg;
2911 return parse_option(o, "codec:v", arg, options);
2914 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2916 subtitle_codec_name = arg;
2917 return parse_option(o, "codec:s", arg, options);
2920 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2922 return parse_option(o, "codec:d", arg, options);
2925 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2927 StreamMap *m = NULL;
2928 int i, negative = 0, file_idx;
2929 int sync_file_idx = -1, sync_stream_idx;
2937 map = av_strdup(arg);
2939 /* parse sync stream first, just pick first matching stream */
2940 if (sync = strchr(map, ',')) {
2942 sync_file_idx = strtol(sync + 1, &sync, 0);
2943 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2944 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2949 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2950 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2951 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2952 sync_stream_idx = i;
2955 if (i == input_files[sync_file_idx].nb_streams) {
2956 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2957 "match any streams.\n", arg);
2963 file_idx = strtol(map, &p, 0);
2964 if (file_idx >= nb_input_files || file_idx < 0) {
2965 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2969 /* disable some already defined maps */
2970 for (i = 0; i < o->nb_stream_maps; i++) {
2971 m = &o->stream_maps[i];
2972 if (file_idx == m->file_index &&
2973 check_stream_specifier(input_files[m->file_index].ctx,
2974 input_files[m->file_index].ctx->streams[m->stream_index],
2975 *p == ':' ? p + 1 : p) > 0)
2979 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2980 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2981 *p == ':' ? p + 1 : p) <= 0)
2983 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2984 &o->nb_stream_maps, o->nb_stream_maps + 1);
2985 m = &o->stream_maps[o->nb_stream_maps - 1];
2987 m->file_index = file_idx;
2988 m->stream_index = i;
2990 if (sync_file_idx >= 0) {
2991 m->sync_file_index = sync_file_idx;
2992 m->sync_stream_index = sync_stream_idx;
2994 m->sync_file_index = file_idx;
2995 m->sync_stream_index = i;
3000 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3008 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3010 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3011 &o->nb_attachments, o->nb_attachments + 1);
3012 o->attachments[o->nb_attachments - 1] = arg;
3016 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3022 o->audio_channel_maps =
3023 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3024 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3025 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3027 /* muted channel syntax */
3028 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3029 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3030 m->file_idx = m->stream_idx = -1;
3032 m->ofile_idx = m->ostream_idx = -1;
3037 n = sscanf(arg, "%d.%d.%d:%d.%d",
3038 &m->file_idx, &m->stream_idx, &m->channel_idx,
3039 &m->ofile_idx, &m->ostream_idx);
3041 if (n != 3 && n != 5) {
3042 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3043 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3047 if (n != 5) // only file.stream.channel specified
3048 m->ofile_idx = m->ostream_idx = -1;
3051 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3052 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3056 if (m->stream_idx < 0 ||
3057 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3058 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3059 m->file_idx, m->stream_idx);
3062 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3063 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3064 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3065 m->file_idx, m->stream_idx);
3068 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3069 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3070 m->file_idx, m->stream_idx, m->channel_idx);
3076 static void parse_meta_type(char *arg, char *type, int *index)
3086 if (*(++arg) == ':')
3087 *index = strtol(++arg, NULL, 0);
3090 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3097 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
3099 MetadataMap *m, *m1;
3102 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
3103 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
3105 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
3106 m->file = strtol(arg, &p, 0);
3107 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
3109 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
3110 if (p = strchr(opt, ':'))
3111 parse_meta_type(p + 1, &m1->type, &m1->index);
3115 if (m->type == 'g' || m1->type == 'g')
3116 o->metadata_global_manual = 1;
3117 if (m->type == 's' || m1->type == 's')
3118 o->metadata_streams_manual = 1;
3119 if (m->type == 'c' || m1->type == 'c')
3120 o->metadata_chapters_manual = 1;
3125 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
3127 av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
3128 "Use -map_metadata instead.\n");
3129 return opt_map_metadata(o, opt, arg);
3132 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3135 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3136 struct tm time = *gmtime((time_t*)&recording_timestamp);
3137 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3138 parse_option(o, "metadata", buf, options);
3140 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3141 "tag instead.\n", opt);
3145 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3147 const char *codec_string = encoder ? "encoder" : "decoder";
3151 avcodec_find_encoder_by_name(name) :
3152 avcodec_find_decoder_by_name(name);
3154 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3157 if(codec->type != type) {
3158 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3164 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3166 char *codec_name = NULL;
3168 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3170 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3171 st->codec->codec_id = codec->id;
3174 return avcodec_find_decoder(st->codec->codec_id);
3178 * Add all the streams from the given input file to the global
3179 * list of input streams.
3181 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3183 int i, rfps, rfps_base;
3184 char *next, *codec_tag = NULL;
3186 for (i = 0; i < ic->nb_streams; i++) {
3187 AVStream *st = ic->streams[i];
3188 AVCodecContext *dec = st->codec;
3191 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3192 ist = &input_streams[nb_input_streams - 1];
3194 ist->file_index = nb_input_files;
3196 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3198 ist->ts_scale = 1.0;
3199 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3201 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3203 uint32_t tag = strtol(codec_tag, &next, 0);
3205 tag = AV_RL32(codec_tag);
3206 st->codec->codec_tag = tag;
3209 ist->dec = choose_decoder(o, ic, st);
3211 switch (dec->codec_type) {
3212 case AVMEDIA_TYPE_AUDIO:
3214 ist->dec = avcodec_find_decoder(dec->codec_id);
3215 if(o->audio_disable)
3216 st->discard= AVDISCARD_ALL;
3218 case AVMEDIA_TYPE_VIDEO:
3220 ist->dec = avcodec_find_decoder(dec->codec_id);
3221 rfps = ic->streams[i]->r_frame_rate.num;
3222 rfps_base = ic->streams[i]->r_frame_rate.den;
3224 dec->flags |= CODEC_FLAG_EMU_EDGE;
3227 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3229 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",
3230 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3231 (float)rfps / rfps_base, rfps, rfps_base);
3234 if (o->video_disable)
3235 st->discard= AVDISCARD_ALL;
3236 else if(video_discard)
3237 st->discard= video_discard;
3239 case AVMEDIA_TYPE_DATA:
3241 case AVMEDIA_TYPE_SUBTITLE:
3243 ist->dec = avcodec_find_decoder(dec->codec_id);
3244 if(o->subtitle_disable)
3245 st->discard = AVDISCARD_ALL;
3247 case AVMEDIA_TYPE_ATTACHMENT:
3248 case AVMEDIA_TYPE_UNKNOWN:
3256 static void assert_file_overwrite(const char *filename)
3258 if ((!file_overwrite || no_file_overwrite) &&
3259 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3260 av_strstart(filename, "file:", NULL))) {
3261 if (avio_check(filename, 0) == 0) {
3262 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3263 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3266 if (!read_yesno()) {
3267 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3273 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3280 static void dump_attachment(AVStream *st, const char *filename)
3283 AVIOContext *out = NULL;
3284 AVDictionaryEntry *e;
3286 if (!st->codec->extradata_size) {
3287 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3288 nb_input_files - 1, st->index);
3291 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3292 filename = e->value;
3294 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3295 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3299 assert_file_overwrite(filename);
3301 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3302 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3307 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3312 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3314 AVFormatContext *ic;
3315 AVInputFormat *file_iformat = NULL;
3319 AVDictionary **opts;
3320 int orig_nb_streams; // number of streams before avformat_find_stream_info
3323 if (!(file_iformat = av_find_input_format(o->format))) {
3324 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3329 if (!strcmp(filename, "-"))
3332 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3333 !strcmp(filename, "/dev/stdin");
3335 /* get default parameters from command line */
3336 ic = avformat_alloc_context();
3338 print_error(filename, AVERROR(ENOMEM));
3341 if (o->nb_audio_sample_rate) {
3342 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3343 av_dict_set(&format_opts, "sample_rate", buf, 0);
3345 if (o->nb_audio_channels) {
3346 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3347 av_dict_set(&format_opts, "channels", buf, 0);
3349 if (o->nb_frame_rates) {
3350 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3352 if (o->nb_frame_sizes) {
3353 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3355 if (o->nb_frame_pix_fmts)
3356 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3358 ic->video_codec_id = video_codec_name ?
3359 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3360 ic->audio_codec_id = audio_codec_name ?
3361 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3362 ic->subtitle_codec_id= subtitle_codec_name ?
3363 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3364 ic->flags |= AVFMT_FLAG_NONBLOCK;
3365 ic->interrupt_callback = int_cb;
3368 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3369 ic->loop_input = loop_input;
3372 /* open the input file with generic libav function */
3373 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3375 print_error(filename, err);
3378 assert_avoptions(format_opts);
3380 /* apply forced codec ids */
3381 for (i = 0; i < ic->nb_streams; i++)
3382 choose_decoder(o, ic, ic->streams[i]);
3384 /* Set AVCodecContext options for avformat_find_stream_info */
3385 opts = setup_find_stream_info_opts(ic, codec_opts);
3386 orig_nb_streams = ic->nb_streams;
3388 /* If not enough info to get the stream parameters, we decode the
3389 first frames to get it. (used in mpeg case for example) */
3390 ret = avformat_find_stream_info(ic, opts);
3392 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3393 av_close_input_file(ic);
3397 timestamp = o->start_time;
3398 /* add the stream start time */
3399 if (ic->start_time != AV_NOPTS_VALUE)
3400 timestamp += ic->start_time;
3402 /* if seeking requested, we execute it */
3403 if (o->start_time != 0) {
3404 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3406 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3407 filename, (double)timestamp / AV_TIME_BASE);
3411 /* update the current parameters so that they match the one of the input stream */
3412 add_input_streams(o, ic);
3414 /* dump the file content */
3415 av_dump_format(ic, nb_input_files, filename, 0);
3417 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3418 input_files[nb_input_files - 1].ctx = ic;
3419 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3420 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3421 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3422 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3424 for (i = 0; i < o->nb_dump_attachment; i++) {
3427 for (j = 0; j < ic->nb_streams; j++) {
3428 AVStream *st = ic->streams[j];
3430 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3431 dump_attachment(st, o->dump_attachment[i].u.str);
3435 for (i = 0; i < orig_nb_streams; i++)
3436 av_dict_free(&opts[i]);
3439 reset_options(o, 1);
3443 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3448 for (p = kf; *p; p++)
3451 ost->forced_kf_count = n;
3452 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3453 if (!ost->forced_kf_pts) {
3454 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3457 for (i = 0; i < n; i++) {
3458 p = i ? strchr(p, ',') + 1 : kf;
3459 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3463 static uint8_t *get_line(AVIOContext *s)
3469 if (avio_open_dyn_buf(&line) < 0) {
3470 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3474 while ((c = avio_r8(s)) && c != '\n')
3477 avio_close_dyn_buf(line, &buf);
3482 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3485 char filename[1000];
3486 const char *base[3] = { getenv("AVCONV_DATADIR"),
3491 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3495 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3496 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3497 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3500 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3501 i != 1 ? "" : "/.avconv", preset_name);
3502 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3508 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3510 char *codec_name = NULL;
3512 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3514 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3515 NULL, ost->st->codec->codec_type);
3516 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3517 } else if (!strcmp(codec_name, "copy"))
3518 ost->stream_copy = 1;
3520 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3521 ost->st->codec->codec_id = ost->enc->id;
3525 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3528 AVStream *st = avformat_new_stream(oc, NULL);
3529 int idx = oc->nb_streams - 1, ret = 0;
3530 char *bsf = NULL, *next, *codec_tag = NULL;
3531 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3533 char *buf = NULL, *arg = NULL, *preset = NULL;
3534 AVIOContext *s = NULL;
3537 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3541 if (oc->nb_streams - 1 < o->nb_streamid_map)
3542 st->id = o->streamid_map[oc->nb_streams - 1];
3544 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3545 nb_output_streams + 1);
3546 ost = &output_streams[nb_output_streams - 1];
3547 ost->file_index = nb_output_files;
3550 st->codec->codec_type = type;
3551 choose_encoder(o, oc, ost);
3553 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3556 avcodec_get_context_defaults3(st->codec, ost->enc);
3557 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3559 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3560 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3563 if (!buf[0] || buf[0] == '#') {
3567 if (!(arg = strchr(buf, '='))) {
3568 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3572 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3574 } while (!s->eof_reached);
3578 av_log(NULL, AV_LOG_FATAL,
3579 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3580 preset, ost->file_index, ost->index);
3584 ost->max_frames = INT64_MAX;
3585 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3587 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3589 if (next = strchr(bsf, ','))
3591 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3592 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3596 bsfc_prev->next = bsfc;
3598 ost->bitstream_filters = bsfc;
3604 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3606 uint32_t tag = strtol(codec_tag, &next, 0);
3608 tag = AV_RL32(codec_tag);
3609 st->codec->codec_tag = tag;
3612 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3613 if (qscale >= 0 || same_quant) {
3614 st->codec->flags |= CODEC_FLAG_QSCALE;
3615 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3618 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3619 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3621 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3625 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3628 const char *p = str;
3635 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3642 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3646 AVCodecContext *video_enc;
3648 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3650 video_enc = st->codec;
3652 if (!ost->stream_copy) {
3653 const char *p = NULL;
3654 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3655 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3656 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3659 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3660 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3661 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3665 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3666 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3667 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3671 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3672 if (frame_aspect_ratio)
3673 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3675 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3676 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3677 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3678 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3681 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3684 video_enc->gop_size = 0;
3685 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3687 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3688 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3691 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3693 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3695 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3696 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3699 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3702 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3705 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3707 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3710 /* FIXME realloc failure */
3711 video_enc->rc_override=
3712 av_realloc(video_enc->rc_override,
3713 sizeof(RcOverride)*(i+1));
3714 video_enc->rc_override[i].start_frame= start;
3715 video_enc->rc_override[i].end_frame = end;
3717 video_enc->rc_override[i].qscale= q;
3718 video_enc->rc_override[i].quality_factor= 1.0;
3721 video_enc->rc_override[i].qscale= 0;
3722 video_enc->rc_override[i].quality_factor= -q/100.0;
3727 video_enc->rc_override_count=i;
3728 if (!video_enc->rc_initial_buffer_occupancy)
3729 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3730 video_enc->intra_dc_precision= intra_dc_precision - 8;
3733 video_enc->flags|= CODEC_FLAG_PSNR;
3738 video_enc->flags |= CODEC_FLAG_PASS1;
3741 video_enc->flags |= CODEC_FLAG_PASS2;
3745 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3746 if (forced_key_frames)
3747 parse_forced_key_frames(forced_key_frames, ost);
3749 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3751 ost->top_field_first = -1;
3752 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3754 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3757 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3759 ost->avfilter = av_strdup(filters);
3766 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3771 AVCodecContext *audio_enc;
3773 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3776 audio_enc = st->codec;
3777 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3779 if (!ost->stream_copy) {
3780 char *sample_fmt = NULL;
3782 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3784 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3786 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3787 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3791 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3793 ost->rematrix_volume=1.0;
3794 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
3797 /* check for channel mapping for this audio stream */
3798 for (n = 0; n < o->nb_audio_channel_maps; n++) {
3799 AudioChannelMap *map = &o->audio_channel_maps[n];
3800 InputStream *ist = &input_streams[ost->source_index];
3801 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
3802 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
3803 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
3804 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
3805 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
3807 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
3808 ost->file_index, ost->st->index);
3815 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3819 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3820 if (!ost->stream_copy) {
3821 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3828 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3830 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3831 ost->stream_copy = 1;
3835 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3839 AVCodecContext *subtitle_enc;
3841 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3843 subtitle_enc = st->codec;
3845 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3850 /* arg format is "output-stream-index:streamid-value". */
3851 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3857 av_strlcpy(idx_str, arg, sizeof(idx_str));
3858 p = strchr(idx_str, ':');
3860 av_log(NULL, AV_LOG_FATAL,
3861 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3866 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3867 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3868 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3872 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3874 AVFormatContext *is = ifile->ctx;
3875 AVFormatContext *os = ofile->ctx;
3878 for (i = 0; i < is->nb_chapters; i++) {
3879 AVChapter *in_ch = is->chapters[i], *out_ch;
3880 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3881 AV_TIME_BASE_Q, in_ch->time_base);
3882 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3883 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3886 if (in_ch->end < ts_off)
3888 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3891 out_ch = av_mallocz(sizeof(AVChapter));
3893 return AVERROR(ENOMEM);
3895 out_ch->id = in_ch->id;
3896 out_ch->time_base = in_ch->time_base;
3897 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3898 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3901 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3904 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
3906 return AVERROR(ENOMEM);
3907 os->chapters[os->nb_chapters - 1] = out_ch;
3912 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3915 AVFormatContext *ic = avformat_alloc_context();
3917 ic->interrupt_callback = int_cb;
3918 err = avformat_open_input(&ic, filename, NULL, NULL);
3921 /* copy stream format */
3922 for(i=0;i<ic->nb_streams;i++) {
3926 AVCodecContext *avctx;
3928 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3929 ost = new_output_stream(o, s, codec->type);
3933 // FIXME: a more elegant solution is needed
3934 memcpy(st, ic->streams[i], sizeof(AVStream));
3935 st->info = av_malloc(sizeof(*st->info));
3936 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3938 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3940 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
3941 choose_sample_fmt(st, codec);
3942 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
3943 choose_pixel_fmt(st, codec);
3946 av_close_input_file(ic);
3950 static void opt_output_file(void *optctx, const char *filename)
3952 OptionsContext *o = optctx;
3953 AVFormatContext *oc;
3955 AVOutputFormat *file_oformat;
3959 if (!strcmp(filename, "-"))
3962 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3964 print_error(filename, err);
3967 file_oformat= oc->oformat;
3968 oc->interrupt_callback = int_cb;
3970 if (!strcmp(file_oformat->name, "ffm") &&
3971 av_strstart(filename, "http:", NULL)) {
3973 /* special case for files sent to ffserver: we get the stream
3974 parameters from ffserver */
3975 int err = read_ffserver_streams(o, oc, filename);
3977 print_error(filename, err);
3980 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
3981 ost = &output_streams[j];
3982 for (i = 0; i < nb_input_streams; i++) {
3983 ist = &input_streams[i];
3984 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
3986 ost->source_index= i;
3992 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));
3996 } else if (!o->nb_stream_maps) {
3997 /* pick the "best" stream of each type */
3998 #define NEW_STREAM(type, index)\
4000 ost = new_ ## type ## _stream(o, oc);\
4001 ost->source_index = index;\
4002 ost->sync_ist = &input_streams[index];\
4003 input_streams[index].discard = 0;\
4006 /* video: highest resolution */
4007 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4008 int area = 0, idx = -1;
4009 for (i = 0; i < nb_input_streams; i++) {
4010 ist = &input_streams[i];
4011 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4012 ist->st->codec->width * ist->st->codec->height > area) {
4013 area = ist->st->codec->width * ist->st->codec->height;
4017 NEW_STREAM(video, idx);
4020 /* audio: most channels */
4021 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4022 int channels = 0, idx = -1;
4023 for (i = 0; i < nb_input_streams; i++) {
4024 ist = &input_streams[i];
4025 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4026 ist->st->codec->channels > channels) {
4027 channels = ist->st->codec->channels;
4031 NEW_STREAM(audio, idx);
4034 /* subtitles: pick first */
4035 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4036 for (i = 0; i < nb_input_streams; i++)
4037 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4038 NEW_STREAM(subtitle, i);
4042 /* do something with data? */
4044 for (i = 0; i < o->nb_stream_maps; i++) {
4045 StreamMap *map = &o->stream_maps[i];
4050 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4051 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4053 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4055 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4058 switch (ist->st->codec->codec_type) {
4059 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4060 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4061 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4062 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4063 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4065 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4066 map->file_index, map->stream_index);
4070 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4071 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4072 map->sync_stream_index];
4077 /* handle attached files */
4078 for (i = 0; i < o->nb_attachments; i++) {
4080 uint8_t *attachment;
4084 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4085 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4089 if ((len = avio_size(pb)) <= 0) {
4090 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4094 if (!(attachment = av_malloc(len))) {
4095 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4099 avio_read(pb, attachment, len);
4101 ost = new_attachment_stream(o, oc);
4102 ost->stream_copy = 0;
4103 ost->source_index = -1;
4104 ost->attachment_filename = o->attachments[i];
4105 ost->st->codec->extradata = attachment;
4106 ost->st->codec->extradata_size = len;
4108 p = strrchr(o->attachments[i], '/');
4109 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4113 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4114 output_files[nb_output_files - 1].ctx = oc;
4115 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4116 output_files[nb_output_files - 1].recording_time = o->recording_time;
4117 output_files[nb_output_files - 1].start_time = o->start_time;
4118 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4119 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4121 /* check filename in case of an image number is expected */
4122 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4123 if (!av_filename_number_test(oc->filename)) {
4124 print_error(oc->filename, AVERROR(EINVAL));
4129 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4130 /* test if it already exists to avoid loosing precious files */
4131 assert_file_overwrite(filename);
4134 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4135 &oc->interrupt_callback,
4136 &output_files[nb_output_files - 1].opts)) < 0) {
4137 print_error(filename, err);
4142 if (o->mux_preload) {
4144 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4145 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4147 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4149 if (loop_output >= 0) {
4150 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4151 oc->loop_output = loop_output;
4155 if (o->chapters_input_file >= nb_input_files) {
4156 if (o->chapters_input_file == INT_MAX) {
4157 /* copy chapters from the first input file that has them*/
4158 o->chapters_input_file = -1;
4159 for (i = 0; i < nb_input_files; i++)
4160 if (input_files[i].ctx->nb_chapters) {
4161 o->chapters_input_file = i;
4165 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4166 o->chapters_input_file);
4170 if (o->chapters_input_file >= 0)
4171 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4172 !o->metadata_chapters_manual);
4175 for (i = 0; i < o->nb_meta_data_maps; i++) {
4176 AVFormatContext *files[2];
4177 AVDictionary **meta[2];
4180 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
4181 if ((index) < 0 || (index) >= (nb_elems)) {\
4182 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
4187 int in_file_index = o->meta_data_maps[i][1].file;
4188 if (in_file_index < 0)
4190 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
4193 files[1] = input_files[in_file_index].ctx;
4195 for (j = 0; j < 2; j++) {
4196 MetadataMap *map = &o->meta_data_maps[i][j];
4198 switch (map->type) {
4200 meta[j] = &files[j]->metadata;
4203 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
4204 meta[j] = &files[j]->streams[map->index]->metadata;
4207 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
4208 meta[j] = &files[j]->chapters[map->index]->metadata;
4211 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
4212 meta[j] = &files[j]->programs[map->index]->metadata;
4219 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
4222 /* copy global metadata by default */
4223 if (!o->metadata_global_manual && nb_input_files){
4224 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4225 AV_DICT_DONT_OVERWRITE);
4226 if(o->recording_time != INT64_MAX)
4227 av_dict_set(&oc->metadata, "duration", NULL, 0);
4229 if (!o->metadata_streams_manual)
4230 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4232 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4234 ist = &input_streams[output_streams[i].source_index];
4235 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4238 /* process manually set metadata */
4239 for (i = 0; i < o->nb_metadata; i++) {
4244 val = strchr(o->metadata[i].u.str, '=');
4246 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4247 o->metadata[i].u.str);
4252 parse_meta_type(o->metadata[i].specifier, &type, &index);
4258 if (index < 0 || index >= oc->nb_streams) {
4259 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
4262 m = &oc->streams[index]->metadata;
4265 if (index < 0 || index >= oc->nb_chapters) {
4266 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4269 m = &oc->chapters[index]->metadata;
4272 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4276 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4279 reset_options(o, 0);
4282 /* same option as mencoder */
4283 static int opt_pass(const char *opt, const char *arg)
4285 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4289 static int64_t getutime(void)
4292 struct rusage rusage;
4294 getrusage(RUSAGE_SELF, &rusage);
4295 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4296 #elif HAVE_GETPROCESSTIMES
4298 FILETIME c, e, k, u;
4299 proc = GetCurrentProcess();
4300 GetProcessTimes(proc, &c, &e, &k, &u);
4301 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4303 return av_gettime();
4307 static int64_t getmaxrss(void)
4309 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4310 struct rusage rusage;
4311 getrusage(RUSAGE_SELF, &rusage);
4312 return (int64_t)rusage.ru_maxrss * 1024;
4313 #elif HAVE_GETPROCESSMEMORYINFO
4315 PROCESS_MEMORY_COUNTERS memcounters;
4316 proc = GetCurrentProcess();
4317 memcounters.cb = sizeof(memcounters);
4318 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4319 return memcounters.PeakPagefileUsage;
4325 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4327 return parse_option(o, "q:a", arg, options);
4330 static void show_usage(void)
4332 printf("Hyper fast Audio and Video encoder\n");
4333 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4337 static int opt_help(const char *opt, const char *arg)
4339 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4340 av_log_set_callback(log_callback_help);
4342 show_help_options(options, "Main options:\n",
4343 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4344 show_help_options(options, "\nAdvanced options:\n",
4345 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4347 show_help_options(options, "\nVideo options:\n",
4348 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4350 show_help_options(options, "\nAdvanced Video options:\n",
4351 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4352 OPT_VIDEO | OPT_EXPERT);
4353 show_help_options(options, "\nAudio options:\n",
4354 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4356 show_help_options(options, "\nAdvanced Audio options:\n",
4357 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4358 OPT_AUDIO | OPT_EXPERT);
4359 show_help_options(options, "\nSubtitle options:\n",
4360 OPT_SUBTITLE | OPT_GRAB,
4362 show_help_options(options, "\nAudio/Video grab options:\n",
4366 show_help_children(avcodec_get_class(), flags);
4367 show_help_children(avformat_get_class(), flags);
4368 show_help_children(sws_get_class(), flags);
4373 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4375 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4376 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4378 if(!strncmp(arg, "pal-", 4)) {
4381 } else if(!strncmp(arg, "ntsc-", 5)) {
4384 } else if(!strncmp(arg, "film-", 5)) {
4388 /* Try to determine PAL/NTSC by peeking in the input files */
4389 if(nb_input_files) {
4391 for (j = 0; j < nb_input_files; j++) {
4392 for (i = 0; i < input_files[j].nb_streams; i++) {
4393 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4394 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4396 fr = c->time_base.den * 1000 / c->time_base.num;
4400 } else if((fr == 29970) || (fr == 23976)) {
4409 if (norm != UNKNOWN)
4410 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4413 if(norm == UNKNOWN) {
4414 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4415 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4416 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4420 if(!strcmp(arg, "vcd")) {
4421 opt_video_codec(o, "c:v", "mpeg1video");
4422 opt_audio_codec(o, "c:a", "mp2");
4423 parse_option(o, "f", "vcd", options);
4425 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4426 parse_option(o, "r", frame_rates[norm], options);
4427 opt_default("g", norm == PAL ? "15" : "18");
4429 opt_default("b:v", "1150000");
4430 opt_default("maxrate", "1150000");
4431 opt_default("minrate", "1150000");
4432 opt_default("bufsize", "327680"); // 40*1024*8;
4434 opt_default("b:a", "224000");
4435 parse_option(o, "ar", "44100", options);
4436 parse_option(o, "ac", "2", options);
4438 opt_default("packetsize", "2324");
4439 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4441 /* We have to offset the PTS, so that it is consistent with the SCR.
4442 SCR starts at 36000, but the first two packs contain only padding
4443 and the first pack from the other stream, respectively, may also have
4444 been written before.
4445 So the real data starts at SCR 36000+3*1200. */
4446 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4447 } else if(!strcmp(arg, "svcd")) {
4449 opt_video_codec(o, "c:v", "mpeg2video");
4450 opt_audio_codec(o, "c:a", "mp2");
4451 parse_option(o, "f", "svcd", options);
4453 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4454 parse_option(o, "r", frame_rates[norm], options);
4455 parse_option(o, "pix_fmt", "yuv420p", options);
4456 opt_default("g", norm == PAL ? "15" : "18");
4458 opt_default("b:v", "2040000");
4459 opt_default("maxrate", "2516000");
4460 opt_default("minrate", "0"); //1145000;
4461 opt_default("bufsize", "1835008"); //224*1024*8;
4462 opt_default("flags", "+scan_offset");
4465 opt_default("b:a", "224000");
4466 parse_option(o, "ar", "44100", options);
4468 opt_default("packetsize", "2324");
4470 } else if(!strcmp(arg, "dvd")) {
4472 opt_video_codec(o, "c:v", "mpeg2video");
4473 opt_audio_codec(o, "c:a", "ac3");
4474 parse_option(o, "f", "dvd", options);
4476 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4477 parse_option(o, "r", frame_rates[norm], options);
4478 parse_option(o, "pix_fmt", "yuv420p", options);
4479 opt_default("g", norm == PAL ? "15" : "18");
4481 opt_default("b:v", "6000000");
4482 opt_default("maxrate", "9000000");
4483 opt_default("minrate", "0"); //1500000;
4484 opt_default("bufsize", "1835008"); //224*1024*8;
4486 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4487 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4489 opt_default("b:a", "448000");
4490 parse_option(o, "ar", "48000", options);
4492 } else if(!strncmp(arg, "dv", 2)) {
4494 parse_option(o, "f", "dv", options);
4496 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4497 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4498 norm == PAL ? "yuv420p" : "yuv411p", options);
4499 parse_option(o, "r", frame_rates[norm], options);
4501 parse_option(o, "ar", "48000", options);
4502 parse_option(o, "ac", "2", options);
4505 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4506 return AVERROR(EINVAL);
4511 static int opt_vstats_file(const char *opt, const char *arg)
4513 av_free (vstats_filename);
4514 vstats_filename=av_strdup (arg);
4518 static int opt_vstats(const char *opt, const char *arg)
4521 time_t today2 = time(NULL);
4522 struct tm *today = localtime(&today2);
4524 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4526 return opt_vstats_file(opt, filename);
4529 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4531 return parse_option(o, "frames:v", arg, options);
4534 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4536 return parse_option(o, "frames:a", arg, options);
4539 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4541 return parse_option(o, "frames:d", arg, options);
4544 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4547 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4548 const char *codec_name = *opt == 'v' ? video_codec_name :
4549 *opt == 'a' ? audio_codec_name :
4550 subtitle_codec_name;
4552 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4553 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4554 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4556 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4561 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4562 if(line[0] == '#' && !e)
4564 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4566 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4569 if(!strcmp(tmp, "acodec")){
4570 opt_audio_codec(o, tmp, tmp2);
4571 }else if(!strcmp(tmp, "vcodec")){
4572 opt_video_codec(o, tmp, tmp2);
4573 }else if(!strcmp(tmp, "scodec")){
4574 opt_subtitle_codec(o, tmp, tmp2);
4575 }else if(!strcmp(tmp, "dcodec")){
4576 opt_data_codec(o, tmp, tmp2);
4577 }else if(opt_default(tmp, tmp2) < 0){
4578 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4588 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4592 static int opt_passlogfile(const char *opt, const char *arg)
4594 pass_logfilename_prefix = arg;
4595 #if CONFIG_LIBX264_ENCODER
4596 return opt_default("passlogfile", arg);
4602 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4604 char *s= av_malloc(strlen(opt)+2);
4605 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4606 return parse_option(o, s, arg, options);
4609 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4611 if(!strcmp(opt, "b")){
4612 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4613 return parse_option(o, av_strdup("b:v"), arg, options);
4615 return opt_default(opt, arg);
4618 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4620 return parse_option(o, "filter:v", arg, options);
4623 #define OFFSET(x) offsetof(OptionsContext, x)
4624 static const OptionDef options[] = {
4626 #include "cmdutils_common_opts.h"
4627 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4628 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4629 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4630 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4631 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4632 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4633 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4634 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4635 { "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]" },
4636 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4637 "outfile[,metadata]:infile[,metadata]" },
4638 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4639 "outfile[,metadata]:infile[,metadata]" },
4640 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4641 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4642 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4643 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4644 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4645 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4646 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4647 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4648 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4649 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4650 "add timings for benchmarking" },
4651 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4652 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4653 "dump each input packet" },
4654 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4655 "when dumping packets, also dump the payload" },
4656 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4657 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4658 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4659 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4660 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4661 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4662 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4663 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4664 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4665 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4666 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4667 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4668 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4669 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4670 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4671 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4672 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4674 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4676 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4677 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4678 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4681 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4682 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4683 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4684 { "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" },
4685 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4686 { "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" },
4687 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4688 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4689 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4690 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4691 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4692 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4693 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4694 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4695 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4696 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4697 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4698 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4699 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4700 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4701 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4702 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4703 "use same quantizer as source (implies VBR)" },
4704 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4705 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4706 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4707 "deinterlace pictures" },
4708 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4709 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4710 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4712 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4714 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4715 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4716 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4717 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4718 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4719 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4720 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4721 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4722 { "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" },
4723 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4726 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4727 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4728 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4729 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4730 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4731 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4732 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4733 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4734 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4735 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4737 /* subtitle options */
4738 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4739 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4740 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4743 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4744 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4745 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4748 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4749 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4751 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4752 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4753 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4755 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4756 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4757 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4758 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4759 /* data codec support */
4760 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4762 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4766 int main(int argc, char **argv)
4768 OptionsContext o = { 0 };
4771 reset_options(&o, 0);
4773 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4774 parse_loglevel(argc, argv, options);
4776 if(argc>1 && !strcmp(argv[1], "-d")){
4778 av_log_set_callback(log_callback_null);
4783 avcodec_register_all();
4785 avdevice_register_all();
4788 avfilter_register_all();
4791 avformat_network_init();
4798 parse_options(&o, argc, argv, options, opt_output_file);
4800 if(nb_output_files <= 0 && nb_input_files == 0) {
4802 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4806 /* file converter / grab */
4807 if (nb_output_files <= 0) {
4808 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4812 if (nb_input_files == 0) {
4813 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4818 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4820 ti = getutime() - ti;
4822 int maxrss = getmaxrss() / 1024;
4823 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);