3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48 #include "libswresample/swresample.h"
50 #include "libavformat/ffm.h" // not public API
53 # include "libavfilter/avcodec.h"
54 # include "libavfilter/avfilter.h"
55 # include "libavfilter/avfiltergraph.h"
56 # include "libavfilter/buffersink.h"
57 # include "libavfilter/vsrc_buffer.h"
60 #if HAVE_SYS_RESOURCE_H
61 #include <sys/types.h>
63 #include <sys/resource.h>
64 #elif HAVE_GETPROCESSTIMES
67 #if HAVE_GETPROCESSMEMORYINFO
73 #include <sys/select.h>
78 #include <sys/ioctl.h>
88 #include "libavutil/avassert.h"
90 const char program_name[] = "ffmpeg";
91 const int program_birth_year = 2000;
93 /* select an input stream for an output stream */
94 typedef struct StreamMap {
95 int disabled; /** 1 is this mapping is disabled by a negative map */
99 int sync_stream_index;
103 int file_idx, stream_idx, channel_idx; // input
104 int ofile_idx, ostream_idx; // output
108 * select an input file for an output file
110 typedef struct MetadataMap {
111 int file; ///< file index
112 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
113 int index; ///< stream/chapter/program number
116 static const OptionDef options[];
118 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
120 static int frame_bits_per_raw_sample = 0;
121 static int video_discard = 0;
122 static int same_quant = 0;
123 static int do_deinterlace = 0;
124 static int intra_dc_precision = 8;
125 static int loop_input = 0;
126 static int loop_output = AVFMT_NOOUTPUTLOOP;
127 static int qp_hist = 0;
128 static int intra_only = 0;
129 static const char *video_codec_name = NULL;
130 static const char *audio_codec_name = NULL;
131 static const char *subtitle_codec_name = NULL;
133 static int file_overwrite = 0;
134 static int do_benchmark = 0;
135 static int do_hex_dump = 0;
136 static int do_pkt_dump = 0;
137 static int do_pass = 0;
138 static const char *pass_logfilename_prefix;
139 static int video_sync_method= -1;
140 static int audio_sync_method= 0;
141 static float audio_drift_threshold= 0.1;
142 static int copy_ts= 0;
143 static int copy_tb= 0;
144 static int opt_shortest = 0;
145 static char *vstats_filename;
146 static FILE *vstats_file;
147 static int copy_initial_nonkeyframes = 0;
149 static int audio_volume = 256;
151 static int exit_on_error = 0;
152 static int using_stdin = 0;
153 static int run_as_daemon = 0;
154 static volatile int received_nb_signals = 0;
155 static int64_t video_size = 0;
156 static int64_t audio_size = 0;
157 static int64_t extra_size = 0;
158 static int nb_frames_dup = 0;
159 static int nb_frames_drop = 0;
160 static int input_sync;
162 static float dts_delta_threshold = 10;
164 static int print_stats = 1;
166 static uint8_t *audio_buf;
167 static uint8_t *audio_out;
168 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
170 static void *samples;
171 static uint8_t *input_tmp= NULL;
173 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
175 typedef struct InputStream {
178 int discard; /* true if stream data should be discarded */
179 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
182 int64_t start; /* time when read started */
183 int64_t next_pts; /* synthetic pts for cases where pkt.pts
185 int64_t pts; /* current pts */
187 int is_start; /* is 1 at the start and after a discontinuity */
188 int showed_multi_packet_warning;
192 typedef struct InputFile {
193 AVFormatContext *ctx;
194 int eof_reached; /* true if eof reached */
195 int ist_index; /* index of first stream in input_streams */
196 int buffer_size; /* current total buffer size */
198 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
199 from ctx.nb_streams if new streams appear during av_read_frame() */
203 typedef struct OutputStream {
204 int file_index; /* file index */
205 int index; /* stream index in the output file */
206 int source_index; /* InputStream index */
207 AVStream *st; /* stream in the output file */
208 int encoding_needed; /* true if encoding needed for this stream */
210 /* input pts and corresponding output pts
212 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
213 struct InputStream *sync_ist; /* input stream to sync against */
214 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
215 AVBitStreamFilterContext *bitstream_filters;
221 AVFrame resample_frame; /* temporary frame for image resampling */
222 struct SwsContext *img_resample_ctx; /* for image resampling */
225 int resample_pix_fmt;
226 AVRational frame_rate;
230 float frame_aspect_ratio;
232 /* forced key frames */
233 int64_t *forced_kf_pts;
239 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
240 int audio_channels_mapped; ///< number of channels in audio_channels_map
241 int resample_sample_fmt;
242 int resample_channels;
243 int resample_sample_rate;
244 float rematrix_volume;
245 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
248 struct SwrContext *swr;
251 AVFilterContext *output_video_filter;
252 AVFilterContext *input_video_filter;
253 AVFilterBufferRef *picref;
255 AVFilterGraph *graph;
260 int is_past_recording_time;
262 const char *attachment_filename;
268 /* init terminal so that we can grab keys */
269 static struct termios oldtty;
272 typedef struct OutputFile {
273 AVFormatContext *ctx;
275 int ost_index; /* index of the first stream in output_streams */
276 int64_t recording_time; /* desired length of the resulting file in microseconds */
277 int64_t start_time; /* start time in microseconds */
278 uint64_t limit_filesize;
281 static InputStream *input_streams = NULL;
282 static int nb_input_streams = 0;
283 static InputFile *input_files = NULL;
284 static int nb_input_files = 0;
286 static OutputStream *output_streams = NULL;
287 static int nb_output_streams = 0;
288 static OutputFile *output_files = NULL;
289 static int nb_output_files = 0;
291 typedef struct OptionsContext {
292 /* input/output options */
296 SpecifierOpt *codec_names;
298 SpecifierOpt *audio_channels;
299 int nb_audio_channels;
300 SpecifierOpt *audio_sample_rate;
301 int nb_audio_sample_rate;
302 SpecifierOpt *rematrix_volume;
303 int nb_rematrix_volume;
304 SpecifierOpt *frame_rates;
306 SpecifierOpt *frame_sizes;
308 SpecifierOpt *frame_pix_fmts;
309 int nb_frame_pix_fmts;
312 int64_t input_ts_offset;
315 SpecifierOpt *ts_scale;
317 SpecifierOpt *dump_attachment;
318 int nb_dump_attachment;
321 StreamMap *stream_maps;
323 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
324 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
325 /* first item specifies output metadata, second is input */
326 MetadataMap (*meta_data_maps)[2];
327 int nb_meta_data_maps;
328 int metadata_global_manual;
329 int metadata_streams_manual;
330 int metadata_chapters_manual;
331 const char **attachments;
334 int chapters_input_file;
336 int64_t recording_time;
337 uint64_t limit_filesize;
343 int subtitle_disable;
346 /* indexed by output file stream index */
350 SpecifierOpt *metadata;
352 SpecifierOpt *max_frames;
354 SpecifierOpt *bitstream_filters;
355 int nb_bitstream_filters;
356 SpecifierOpt *codec_tags;
358 SpecifierOpt *sample_fmts;
360 SpecifierOpt *qscale;
362 SpecifierOpt *forced_key_frames;
363 int nb_forced_key_frames;
364 SpecifierOpt *force_fps;
366 SpecifierOpt *frame_aspect_ratios;
367 int nb_frame_aspect_ratios;
368 SpecifierOpt *rc_overrides;
370 SpecifierOpt *intra_matrices;
371 int nb_intra_matrices;
372 SpecifierOpt *inter_matrices;
373 int nb_inter_matrices;
374 SpecifierOpt *top_field_first;
375 int nb_top_field_first;
376 SpecifierOpt *presets;
379 SpecifierOpt *filters;
384 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
387 for (i = 0; i < o->nb_ ## name; i++) {\
388 char *spec = o->name[i].specifier;\
389 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
390 outvar = o->name[i].u.type;\
396 static void reset_options(OptionsContext *o, int is_input)
398 const OptionDef *po = options;
399 OptionsContext bak= *o;
401 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
403 void *dst = (uint8_t*)o + po->u.off;
405 if (po->flags & OPT_SPEC) {
406 SpecifierOpt **so = dst;
407 int i, *count = (int*)(so + 1);
408 for (i = 0; i < *count; i++) {
409 av_freep(&(*so)[i].specifier);
410 if (po->flags & OPT_STRING)
411 av_freep(&(*so)[i].u.str);
415 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
420 av_freep(&o->stream_maps);
421 av_freep(&o->audio_channel_maps);
422 av_freep(&o->meta_data_maps);
423 av_freep(&o->streamid_map);
425 memset(o, 0, sizeof(*o));
427 if(is_input) o->recording_time = bak.recording_time;
428 else o->recording_time = INT64_MAX;
429 o->mux_max_delay = 0.7;
430 o->limit_filesize = UINT64_MAX;
431 o->chapters_input_file = INT_MAX;
439 static int configure_video_filters(InputStream *ist, OutputStream *ost)
441 AVFilterContext *last_filter, *filter;
442 /** filter graph containing all filters including input & output */
443 AVCodecContext *codec = ost->st->codec;
444 AVCodecContext *icodec = ist->st->codec;
445 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
446 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
447 AVRational sample_aspect_ratio;
451 ost->graph = avfilter_graph_alloc();
453 if (ist->st->sample_aspect_ratio.num){
454 sample_aspect_ratio = ist->st->sample_aspect_ratio;
456 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
458 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
459 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
460 sample_aspect_ratio.num, sample_aspect_ratio.den);
462 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
463 "src", args, NULL, ost->graph);
466 #if FF_API_OLD_VSINK_API
467 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
468 "out", NULL, pix_fmts, ost->graph);
470 buffersink_params->pixel_fmts = pix_fmts;
471 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
472 "out", NULL, buffersink_params, ost->graph);
474 av_freep(&buffersink_params);
477 last_filter = ost->input_video_filter;
479 if (codec->width != icodec->width || codec->height != icodec->height) {
480 snprintf(args, 255, "%d:%d:flags=0x%X",
483 (unsigned)ost->sws_flags);
484 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
485 NULL, args, NULL, ost->graph)) < 0)
487 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
489 last_filter = filter;
492 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
493 ost->graph->scale_sws_opts = av_strdup(args);
496 AVFilterInOut *outputs = avfilter_inout_alloc();
497 AVFilterInOut *inputs = avfilter_inout_alloc();
499 outputs->name = av_strdup("in");
500 outputs->filter_ctx = last_filter;
501 outputs->pad_idx = 0;
502 outputs->next = NULL;
504 inputs->name = av_strdup("out");
505 inputs->filter_ctx = ost->output_video_filter;
509 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
511 av_freep(&ost->avfilter);
513 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
517 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
520 codec->width = ost->output_video_filter->inputs[0]->w;
521 codec->height = ost->output_video_filter->inputs[0]->h;
522 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
523 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
524 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
525 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
529 #endif /* CONFIG_AVFILTER */
531 static void term_exit(void)
533 av_log(NULL, AV_LOG_QUIET, "%s", "");
536 tcsetattr (0, TCSANOW, &oldtty);
540 static volatile int received_sigterm = 0;
542 static void sigterm_handler(int sig)
544 received_sigterm = sig;
545 received_nb_signals++;
549 static void term_init(void)
559 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
560 |INLCR|IGNCR|ICRNL|IXON);
561 tty.c_oflag |= OPOST;
562 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
563 tty.c_cflag &= ~(CSIZE|PARENB);
568 tcsetattr (0, TCSANOW, &tty);
569 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
573 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
574 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
576 signal(SIGXCPU, sigterm_handler);
580 /* read a key without blocking */
581 static int read_key(void)
593 n = select(1, &rfds, NULL, NULL, &tv);
602 # if HAVE_PEEKNAMEDPIPE
604 static HANDLE input_handle;
607 input_handle = GetStdHandle(STD_INPUT_HANDLE);
608 is_pipe = !GetConsoleMode(input_handle, &dw);
611 if (stdin->_cnt > 0) {
616 /* When running under a GUI, you will end here. */
617 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
634 static int decode_interrupt_cb(void)
636 return received_nb_signals > 1;
639 void exit_program(int ret)
644 for(i=0;i<nb_output_files;i++) {
645 AVFormatContext *s = output_files[i].ctx;
646 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
648 avformat_free_context(s);
649 av_dict_free(&output_files[i].opts);
651 for(i=0;i<nb_input_files;i++) {
652 av_close_input_file(input_files[i].ctx);
654 for (i = 0; i < nb_input_streams; i++)
655 av_dict_free(&input_streams[i].opts);
659 av_free(vstats_filename);
661 av_freep(&input_streams);
662 av_freep(&input_files);
663 av_freep(&output_streams);
664 av_freep(&output_files);
669 allocated_audio_buf_size= allocated_audio_out_size= 0;
676 av_freep(&input_tmp);
678 if (received_sigterm) {
679 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
680 (int) received_sigterm);
684 exit(ret); /* not all OS-es handle main() return value */
687 static void assert_avoptions(AVDictionary *m)
689 AVDictionaryEntry *t;
690 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
691 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
696 static void assert_codec_experimental(AVCodecContext *c, int encoder)
698 const char *codec_string = encoder ? "encoder" : "decoder";
700 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
701 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
702 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
703 "results.\nAdd '-strict experimental' if you want to use it.\n",
704 codec_string, c->codec->name);
705 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
706 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
707 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
708 codec_string, codec->name);
713 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
715 if(codec && codec->sample_fmts){
716 const enum AVSampleFormat *p= codec->sample_fmts;
718 if(*p == st->codec->sample_fmt)
722 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
723 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
724 if(av_get_sample_fmt_name(st->codec->sample_fmt))
725 av_log(NULL, AV_LOG_WARNING,
726 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
727 av_get_sample_fmt_name(st->codec->sample_fmt),
729 av_get_sample_fmt_name(codec->sample_fmts[0]));
730 st->codec->sample_fmt = codec->sample_fmts[0];
735 static void choose_sample_rate(AVStream *st, AVCodec *codec)
737 if(codec && codec->supported_samplerates){
738 const int *p= codec->supported_samplerates;
740 int best_dist=INT_MAX;
742 int dist= abs(st->codec->sample_rate - *p);
743 if(dist < best_dist){
749 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
751 st->codec->sample_rate= best;
755 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
757 if(codec && codec->pix_fmts){
758 const enum PixelFormat *p= codec->pix_fmts;
759 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
760 if(st->codec->codec_id==CODEC_ID_MJPEG){
761 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
762 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
763 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};
767 if(*p == st->codec->pix_fmt)
771 if(st->codec->pix_fmt != PIX_FMT_NONE)
772 av_log(NULL, AV_LOG_WARNING,
773 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
774 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
776 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
777 st->codec->pix_fmt = codec->pix_fmts[0];
782 static double get_sync_ipts(const OutputStream *ost)
784 const InputStream *ist = ost->sync_ist;
785 OutputFile *of = &output_files[ost->file_index];
786 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
789 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
794 AVPacket new_pkt= *pkt;
795 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
796 &new_pkt.data, &new_pkt.size,
797 pkt->data, pkt->size,
798 pkt->flags & AV_PKT_FLAG_KEY);
801 new_pkt.destruct= av_destruct_packet;
803 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
804 bsfc->filter->name, pkt->stream_index,
805 avctx->codec ? avctx->codec->name : "copy");
815 ret= av_interleaved_write_frame(s, pkt);
817 print_error("av_interleaved_write_frame()", ret);
822 static void do_audio_out(AVFormatContext *s,
825 unsigned char *buf, int size)
828 int64_t audio_out_size, audio_buf_size;
829 int64_t allocated_for_size= size;
831 int size_out, frame_bytes, ret, resample_changed;
832 AVCodecContext *enc= ost->st->codec;
833 AVCodecContext *dec= ist->st->codec;
834 int osize = av_get_bytes_per_sample(enc->sample_fmt);
835 int isize = av_get_bytes_per_sample(dec->sample_fmt);
836 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
839 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
840 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
841 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
842 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
843 audio_buf_size*= osize*enc->channels;
845 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
846 if(coded_bps > 8*osize)
847 audio_out_size= audio_out_size * coded_bps / (8*osize);
848 audio_out_size += FF_MIN_BUFFER_SIZE;
850 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
851 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
855 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
856 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
857 if (!audio_buf || !audio_out){
858 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
862 if (enc->channels != dec->channels
863 || enc->sample_fmt != dec->sample_fmt)
864 ost->audio_resample = 1;
866 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
867 ost->resample_channels != dec->channels ||
868 ost->resample_sample_rate != dec->sample_rate;
870 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
871 if (resample_changed) {
872 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",
873 ist->file_index, ist->st->index,
874 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
875 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
876 ost->resample_sample_fmt = dec->sample_fmt;
877 ost->resample_channels = dec->channels;
878 ost->resample_sample_rate = dec->sample_rate;
881 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
882 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
883 ost->resample_sample_fmt == enc->sample_fmt &&
884 ost->resample_channels == enc->channels &&
885 ost->resample_sample_rate == enc->sample_rate) {
887 ost->audio_resample = 0;
889 ost->swr = swr_alloc2(ost->swr,
890 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
891 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
892 ost->audio_channels_mapped ? ost->audio_channels_map : NULL,
894 av_set_double(ost->swr, "rmvol", ost->rematrix_volume);
895 if (ost->audio_channels_mapped) {
896 av_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped));
897 av_set_int(ost->swr, "uch", ost->audio_channels_mapped);
899 av_set_int(ost->swr, "ich", dec->channels);
900 av_set_int(ost->swr, "och", enc->channels);
901 if(audio_sync_method>1) av_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE);
902 if(ost->swr && swr_init(ost->swr) < 0){
903 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
908 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
909 dec->channels, dec->sample_rate,
910 enc->channels, enc->sample_rate);
916 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
918 if(audio_sync_method){
919 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
920 - av_fifo_size(ost->fifo)/(enc->channels * 2);
921 double idelta= delta*dec->sample_rate / enc->sample_rate;
922 int byte_delta= ((int)idelta)*2*dec->channels;
924 //FIXME resample delay
925 if(fabs(delta) > 50){
926 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
928 byte_delta= FFMAX(byte_delta, -size);
931 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
936 input_tmp= av_realloc(input_tmp, byte_delta + size);
938 if(byte_delta > allocated_for_size - size){
939 allocated_for_size= byte_delta + (int64_t)size;
944 memset(input_tmp, 0, byte_delta);
945 memcpy(input_tmp + byte_delta, buf, size);
948 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
950 }else if(audio_sync_method>1){
951 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
952 av_assert0(ost->audio_resample);
953 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
954 delta, comp, enc->sample_rate);
955 // 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));
956 swr_compensate(ost->swr, comp, enc->sample_rate);
960 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
961 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
963 if (ost->audio_resample) {
965 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
966 (const uint8_t*[]){buf }, size / (dec->channels * isize));
967 size_out = size_out * enc->channels * osize;
973 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
975 /* now encode as many frames as possible */
976 if (enc->frame_size > 1) {
977 /* output resampled raw samples */
978 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
979 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
982 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
984 frame_bytes = enc->frame_size * osize * enc->channels;
986 while (av_fifo_size(ost->fifo) >= frame_bytes) {
988 av_init_packet(&pkt);
990 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
992 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
994 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
997 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1001 pkt.stream_index= ost->index;
1002 pkt.data= audio_out;
1004 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1005 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1006 pkt.flags |= AV_PKT_FLAG_KEY;
1007 write_frame(s, &pkt, enc, ost->bitstream_filters);
1009 ost->sync_opts += enc->frame_size;
1013 av_init_packet(&pkt);
1015 ost->sync_opts += size_out / (osize * enc->channels);
1017 /* output a pcm frame */
1018 /* determine the size of the coded buffer */
1021 size_out = size_out*coded_bps/8;
1023 if(size_out > audio_out_size){
1024 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1028 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1029 ret = avcodec_encode_audio(enc, audio_out, size_out,
1032 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1036 pkt.stream_index= ost->index;
1037 pkt.data= audio_out;
1039 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1040 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1041 pkt.flags |= AV_PKT_FLAG_KEY;
1042 write_frame(s, &pkt, enc, ost->bitstream_filters);
1046 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1048 AVCodecContext *dec;
1049 AVPicture *picture2;
1050 AVPicture picture_tmp;
1053 dec = ist->st->codec;
1055 /* deinterlace : must be done before any resize */
1056 if (do_deinterlace) {
1059 /* create temporary picture */
1060 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1061 buf = av_malloc(size);
1065 picture2 = &picture_tmp;
1066 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1068 if(avpicture_deinterlace(picture2, picture,
1069 dec->pix_fmt, dec->width, dec->height) < 0) {
1070 /* if error, do not deinterlace */
1071 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1080 if (picture != picture2)
1081 *picture = *picture2;
1085 static void do_subtitle_out(AVFormatContext *s,
1091 static uint8_t *subtitle_out = NULL;
1092 int subtitle_out_max_size = 1024 * 1024;
1093 int subtitle_out_size, nb, i;
1094 AVCodecContext *enc;
1097 if (pts == AV_NOPTS_VALUE) {
1098 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1104 enc = ost->st->codec;
1106 if (!subtitle_out) {
1107 subtitle_out = av_malloc(subtitle_out_max_size);
1110 /* Note: DVB subtitle need one packet to draw them and one other
1111 packet to clear them */
1112 /* XXX: signal it in the codec context ? */
1113 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1118 for(i = 0; i < nb; i++) {
1119 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1120 // start_display_time is required to be 0
1121 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1122 sub->end_display_time -= sub->start_display_time;
1123 sub->start_display_time = 0;
1124 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1125 subtitle_out_max_size, sub);
1126 if (subtitle_out_size < 0) {
1127 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1131 av_init_packet(&pkt);
1132 pkt.stream_index = ost->index;
1133 pkt.data = subtitle_out;
1134 pkt.size = subtitle_out_size;
1135 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1136 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1137 /* XXX: the pts correction is handled here. Maybe handling
1138 it in the codec would be better */
1140 pkt.pts += 90 * sub->start_display_time;
1142 pkt.pts += 90 * sub->end_display_time;
1144 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1148 static int bit_buffer_size= 1024*256;
1149 static uint8_t *bit_buffer= NULL;
1151 static void do_video_resample(OutputStream *ost,
1153 AVFrame *in_picture,
1154 AVFrame **out_picture)
1157 *out_picture = in_picture;
1159 AVCodecContext *dec = ist->st->codec;
1160 AVCodecContext *enc = ost->st->codec;
1161 int resample_changed = ost->resample_width != dec->width ||
1162 ost->resample_height != dec->height ||
1163 ost->resample_pix_fmt != dec->pix_fmt;
1165 *out_picture = in_picture;
1166 if (resample_changed) {
1167 av_log(NULL, AV_LOG_INFO,
1168 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1169 ist->file_index, ist->st->index,
1170 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1171 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1172 ost->resample_width = dec->width;
1173 ost->resample_height = dec->height;
1174 ost->resample_pix_fmt = dec->pix_fmt;
1177 ost->video_resample = dec->width != enc->width ||
1178 dec->height != enc->height ||
1179 dec->pix_fmt != enc->pix_fmt;
1181 if (ost->video_resample) {
1182 *out_picture = &ost->resample_frame;
1183 if (!ost->img_resample_ctx || resample_changed) {
1184 /* initialize the destination picture */
1185 if (!ost->resample_frame.data[0]) {
1186 avcodec_get_frame_defaults(&ost->resample_frame);
1187 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1188 enc->width, enc->height)) {
1189 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1193 /* initialize a new scaler context */
1194 sws_freeContext(ost->img_resample_ctx);
1195 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1196 enc->width, enc->height, enc->pix_fmt,
1197 ost->sws_flags, NULL, NULL, NULL);
1198 if (ost->img_resample_ctx == NULL) {
1199 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1203 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1204 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1210 static void do_video_out(AVFormatContext *s,
1213 AVFrame *in_picture,
1214 int *frame_size, float quality)
1216 int nb_frames, i, ret, format_video_sync;
1217 AVFrame *final_picture;
1218 AVCodecContext *enc;
1220 double duration = 0;
1222 enc = ost->st->codec;
1224 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1225 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1226 if(ist->st->avg_frame_rate.num)
1227 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1229 duration /= av_q2d(enc->time_base);
1232 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1234 /* by default, we output a single frame */
1239 format_video_sync = video_sync_method;
1240 if (format_video_sync < 0)
1241 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1243 if (format_video_sync) {
1244 double vdelta = sync_ipts - ost->sync_opts + duration;
1245 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1248 else if (format_video_sync == 2) {
1251 }else if(vdelta>0.6)
1252 ost->sync_opts= lrintf(sync_ipts);
1253 }else if (vdelta > 1.1)
1254 nb_frames = lrintf(vdelta);
1255 //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);
1256 if (nb_frames == 0){
1258 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1259 }else if (nb_frames > 1) {
1260 nb_frames_dup += nb_frames - 1;
1261 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1264 ost->sync_opts= lrintf(sync_ipts);
1266 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1270 do_video_resample(ost, ist, in_picture, &final_picture);
1272 /* duplicates frame if needed */
1273 for(i=0;i<nb_frames;i++) {
1275 av_init_packet(&pkt);
1276 pkt.stream_index= ost->index;
1278 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1279 /* raw pictures are written as AVPicture structure to
1280 avoid any copies. We support temporarily the older
1282 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1283 enc->coded_frame->top_field_first = in_picture->top_field_first;
1284 pkt.data= (uint8_t *)final_picture;
1285 pkt.size= sizeof(AVPicture);
1286 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1287 pkt.flags |= AV_PKT_FLAG_KEY;
1289 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1291 AVFrame big_picture;
1293 big_picture= *final_picture;
1294 /* better than nothing: use input picture interlaced
1296 big_picture.interlaced_frame = in_picture->interlaced_frame;
1297 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1298 if (ost->top_field_first == -1)
1299 big_picture.top_field_first = in_picture->top_field_first;
1301 big_picture.top_field_first = !!ost->top_field_first;
1304 /* handles same_quant here. This is not correct because it may
1305 not be a global option */
1306 big_picture.quality = quality;
1307 if (!enc->me_threshold)
1308 big_picture.pict_type = 0;
1309 // big_picture.pts = AV_NOPTS_VALUE;
1310 big_picture.pts= ost->sync_opts;
1311 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1312 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1313 if (ost->forced_kf_index < ost->forced_kf_count &&
1314 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1315 big_picture.pict_type = AV_PICTURE_TYPE_I;
1316 ost->forced_kf_index++;
1318 ret = avcodec_encode_video(enc,
1319 bit_buffer, bit_buffer_size,
1322 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1327 pkt.data= bit_buffer;
1329 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1330 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1331 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1332 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1333 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1335 if(enc->coded_frame->key_frame)
1336 pkt.flags |= AV_PKT_FLAG_KEY;
1337 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1340 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1341 // enc->frame_number-1, ret, enc->pict_type);
1342 /* if two pass, output log */
1343 if (ost->logfile && enc->stats_out) {
1344 fprintf(ost->logfile, "%s", enc->stats_out);
1349 ost->frame_number++;
1353 static double psnr(double d)
1355 return -10.0*log(d)/log(10.0);
1358 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1361 AVCodecContext *enc;
1363 double ti1, bitrate, avg_bitrate;
1365 /* this is executed just the first time do_video_stats is called */
1367 vstats_file = fopen(vstats_filename, "w");
1374 enc = ost->st->codec;
1375 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1376 frame_number = ost->frame_number;
1377 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1378 if (enc->flags&CODEC_FLAG_PSNR)
1379 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1381 fprintf(vstats_file,"f_size= %6d ", frame_size);
1382 /* compute pts value */
1383 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1387 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1388 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1389 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1390 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1391 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1395 static void print_report(OutputFile *output_files,
1396 OutputStream *ost_table, int nb_ostreams,
1397 int is_last_report, int64_t timer_start, int64_t cur_time)
1401 AVFormatContext *oc;
1403 AVCodecContext *enc;
1404 int frame_number, vid, i;
1406 int64_t pts = INT64_MAX;
1407 static int64_t last_time = -1;
1408 static int qp_histogram[52];
1409 int hours, mins, secs, us;
1411 if (!print_stats && !is_last_report)
1414 if (!is_last_report) {
1415 if (last_time == -1) {
1416 last_time = cur_time;
1419 if ((cur_time - last_time) < 500000)
1421 last_time = cur_time;
1425 oc = output_files[0].ctx;
1427 total_size = avio_size(oc->pb);
1428 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1429 total_size= avio_tell(oc->pb);
1433 for(i=0;i<nb_ostreams;i++) {
1435 ost = &ost_table[i];
1436 enc = ost->st->codec;
1437 if (!ost->stream_copy && enc->coded_frame)
1438 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1439 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1440 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1442 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1443 float t = (cur_time-timer_start) / 1000000.0;
1445 frame_number = ost->frame_number;
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1447 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1453 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1456 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1458 if (enc->flags&CODEC_FLAG_PSNR){
1460 double error, error_sum=0;
1461 double scale, scale_sum=0;
1462 char type[3]= {'Y','U','V'};
1463 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1466 error= enc->error[j];
1467 scale= enc->width*enc->height*255.0*255.0*frame_number;
1469 error= enc->coded_frame->error[j];
1470 scale= enc->width*enc->height*255.0*255.0;
1475 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1477 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1481 /* compute min output value */
1482 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1483 ost->st->time_base, AV_TIME_BASE_Q));
1486 secs = pts / AV_TIME_BASE;
1487 us = pts % AV_TIME_BASE;
1493 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1495 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1496 "size=%8.0fkB time=", total_size / 1024.0);
1497 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1498 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1499 (100 * us) / AV_TIME_BASE);
1500 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1501 "bitrate=%6.1fkbits/s", bitrate);
1503 if (nb_frames_dup || nb_frames_drop)
1504 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1505 nb_frames_dup, nb_frames_drop);
1507 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1511 if (is_last_report) {
1512 int64_t raw= audio_size + video_size + extra_size;
1513 av_log(NULL, AV_LOG_INFO, "\n");
1514 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1518 100.0*(total_size - raw)/raw
1523 static void generate_silence(uint8_t *buf, enum AVSampleFormat sample_fmt, size_t size)
1525 int fill_char = 0x00;
1526 if (sample_fmt == AV_SAMPLE_FMT_U8)
1528 memset(buf, fill_char, size);
1531 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1535 for (i = 0; i < nb_ostreams; i++) {
1536 OutputStream *ost = &ost_table[i];
1537 AVCodecContext *enc = ost->st->codec;
1538 AVFormatContext *os = output_files[ost->file_index].ctx;
1540 if (!ost->encoding_needed)
1543 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1545 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1551 av_init_packet(&pkt);
1552 pkt.stream_index= ost->index;
1554 switch (ost->st->codec->codec_type) {
1555 case AVMEDIA_TYPE_AUDIO:
1556 fifo_bytes = av_fifo_size(ost->fifo);
1558 /* encode any samples remaining in fifo */
1559 if (fifo_bytes > 0) {
1560 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1561 int fs_tmp = enc->frame_size;
1563 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1564 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1565 enc->frame_size = fifo_bytes / (osize * enc->channels);
1567 int frame_bytes = enc->frame_size*osize*enc->channels;
1568 if (allocated_audio_buf_size < frame_bytes)
1570 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1573 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1574 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1575 ost->st->time_base.num, enc->sample_rate);
1576 enc->frame_size = fs_tmp;
1579 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1582 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1586 pkt.flags |= AV_PKT_FLAG_KEY;
1588 case AVMEDIA_TYPE_VIDEO:
1589 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1591 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1595 if(enc->coded_frame && enc->coded_frame->key_frame)
1596 pkt.flags |= AV_PKT_FLAG_KEY;
1597 if (ost->logfile && enc->stats_out) {
1598 fprintf(ost->logfile, "%s", enc->stats_out);
1607 pkt.data = bit_buffer;
1609 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1610 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1611 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1616 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1617 static int output_packet(InputStream *ist, int ist_index,
1618 OutputStream *ost_table, int nb_ostreams,
1619 const AVPacket *pkt)
1621 AVFormatContext *os;
1625 void *buffer_to_free = NULL;
1626 static unsigned int samples_size= 0;
1627 AVSubtitle subtitle, *subtitle_to_free;
1628 int64_t pkt_pts = AV_NOPTS_VALUE;
1630 int frame_available;
1635 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1637 if(ist->next_pts == AV_NOPTS_VALUE)
1638 ist->next_pts= ist->pts;
1642 av_init_packet(&avpkt);
1650 if(pkt->dts != AV_NOPTS_VALUE)
1651 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1652 if(pkt->pts != AV_NOPTS_VALUE)
1653 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1655 //while we have more to decode or while the decoder did output something on EOF
1656 while (avpkt.size > 0 || (!pkt && got_output)) {
1657 uint8_t *data_buf, *decoded_data_buf;
1658 int data_size, decoded_data_size;
1659 AVFrame *decoded_frame, *filtered_frame;
1661 ist->pts= ist->next_pts;
1663 if(avpkt.size && avpkt.size != pkt->size)
1664 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1665 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1666 ist->showed_multi_packet_warning=1;
1668 /* decode the packet if needed */
1669 decoded_frame = filtered_frame = NULL;
1670 decoded_data_buf = NULL; /* fail safe */
1671 decoded_data_size= 0;
1672 data_buf = avpkt.data;
1673 data_size = avpkt.size;
1674 subtitle_to_free = NULL;
1675 if (ist->decoding_needed) {
1676 switch(ist->st->codec->codec_type) {
1677 case AVMEDIA_TYPE_AUDIO:{
1678 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1679 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1681 samples= av_malloc(samples_size);
1683 decoded_data_size= samples_size;
1684 /* XXX: could avoid copy if PCM 16 bits with same
1685 endianness as CPU */
1686 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1693 got_output = decoded_data_size > 0;
1694 /* Some bug in mpeg audio decoder gives */
1695 /* decoded_data_size < 0, it seems they are overflows */
1697 /* no audio frame */
1700 decoded_data_buf = (uint8_t *)samples;
1701 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1702 (ist->st->codec->sample_rate * ist->st->codec->channels);
1704 case AVMEDIA_TYPE_VIDEO:
1705 if (!(decoded_frame = avcodec_alloc_frame()))
1706 return AVERROR(ENOMEM);
1707 avpkt.pts = pkt_pts;
1708 avpkt.dts = ist->pts;
1709 pkt_pts = AV_NOPTS_VALUE;
1711 ret = avcodec_decode_video2(ist->st->codec,
1712 decoded_frame, &got_output, &avpkt);
1713 quality = same_quant ? decoded_frame->quality : 0;
1717 /* no picture yet */
1718 av_freep(&decoded_frame);
1719 goto discard_packet;
1721 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1722 if (ist->st->codec->time_base.num != 0) {
1723 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1724 ist->next_pts += ((int64_t)AV_TIME_BASE *
1725 ist->st->codec->time_base.num * ticks) /
1726 ist->st->codec->time_base.den;
1729 buffer_to_free = NULL;
1730 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1732 case AVMEDIA_TYPE_SUBTITLE:
1733 ret = avcodec_decode_subtitle2(ist->st->codec,
1734 &subtitle, &got_output, &avpkt);
1738 goto discard_packet;
1740 subtitle_to_free = &subtitle;
1747 switch(ist->st->codec->codec_type) {
1748 case AVMEDIA_TYPE_AUDIO:
1749 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1750 ist->st->codec->sample_rate;
1752 case AVMEDIA_TYPE_VIDEO:
1753 if (ist->st->codec->time_base.num != 0) {
1754 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1755 ist->next_pts += ((int64_t)AV_TIME_BASE *
1756 ist->st->codec->time_base.num * ticks) /
1757 ist->st->codec->time_base.den;
1765 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1766 for(i=0;i<nb_ostreams;i++) {
1767 OutputFile *of = &output_files[ost_table[i].file_index];
1768 if (of->start_time == 0 || ist->pts >= of->start_time) {
1769 ost = &ost_table[i];
1770 if (ost->input_video_filter && ost->source_index == ist_index) {
1771 if (!decoded_frame->sample_aspect_ratio.num)
1772 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1773 decoded_frame->pts = ist->pts;
1775 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1781 // preprocess audio (volume)
1782 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1783 if (audio_volume != 256) {
1784 switch (ist->st->codec->sample_fmt) {
1785 case AV_SAMPLE_FMT_U8:
1787 uint8_t *volp = samples;
1788 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1789 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1790 *volp++ = av_clip_uint8(v);
1794 case AV_SAMPLE_FMT_S16:
1796 int16_t *volp = samples;
1797 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1798 int v = ((*volp) * audio_volume + 128) >> 8;
1799 *volp++ = av_clip_int16(v);
1803 case AV_SAMPLE_FMT_S32:
1805 int32_t *volp = samples;
1806 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1807 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1808 *volp++ = av_clipl_int32(v);
1812 case AV_SAMPLE_FMT_FLT:
1814 float *volp = samples;
1815 float scale = audio_volume / 256.f;
1816 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1821 case AV_SAMPLE_FMT_DBL:
1823 double *volp = samples;
1824 double scale = audio_volume / 256.;
1825 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1831 av_log(NULL, AV_LOG_FATAL,
1832 "Audio volume adjustment on sample format %s is not supported.\n",
1833 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1839 /* frame rate emulation */
1840 if (input_files[ist->file_index].rate_emu) {
1841 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1842 int64_t now = av_gettime() - ist->start;
1846 /* if output time reached then transcode raw format,
1847 encode packets and output them */
1848 for (i = 0; i < nb_ostreams; i++) {
1849 OutputFile *of = &output_files[ost_table[i].file_index];
1852 ost = &ost_table[i];
1853 if (ost->source_index != ist_index)
1856 if (of->start_time && ist->pts < of->start_time)
1859 if (of->recording_time != INT64_MAX &&
1860 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1861 (AVRational){1, 1000000}) >= 0) {
1862 ost->is_past_recording_time = 1;
1867 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1868 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1869 while (frame_available) {
1870 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1871 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1872 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1874 if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
1875 ret = AVERROR(ENOMEM);
1878 *filtered_frame= *decoded_frame; //for me_threshold
1880 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1881 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1885 filtered_frame = decoded_frame;
1887 os = output_files[ost->file_index].ctx;
1889 /* set the input output pts pairs */
1890 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1892 if (ost->encoding_needed) {
1893 av_assert0(ist->decoding_needed);
1894 switch(ost->st->codec->codec_type) {
1895 case AVMEDIA_TYPE_AUDIO:
1896 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1898 case AVMEDIA_TYPE_VIDEO:
1900 if (ost->picref->video && !ost->frame_aspect_ratio)
1901 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1903 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1904 same_quant ? quality : ost->st->codec->global_quality);
1905 if (vstats_filename && frame_size)
1906 do_video_stats(os, ost, frame_size);
1908 case AVMEDIA_TYPE_SUBTITLE:
1909 do_subtitle_out(os, ost, ist, &subtitle,
1918 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1919 av_init_packet(&opkt);
1921 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1922 #if !CONFIG_AVFILTER
1928 /* no reencoding needed : output the packet directly */
1929 /* force the input stream PTS */
1931 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1932 audio_size += data_size;
1933 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1934 video_size += data_size;
1938 opkt.stream_index= ost->index;
1939 if(pkt->pts != AV_NOPTS_VALUE)
1940 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1942 opkt.pts= AV_NOPTS_VALUE;
1944 if (pkt->dts == AV_NOPTS_VALUE)
1945 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1947 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1948 opkt.dts -= ost_tb_start_time;
1950 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1951 opkt.flags= pkt->flags;
1953 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1954 if( ost->st->codec->codec_id != CODEC_ID_H264
1955 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1956 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1958 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1959 opkt.destruct= av_destruct_packet;
1961 opkt.data = data_buf;
1962 opkt.size = data_size;
1965 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1966 /* store AVPicture in AVPacket, as expected by the output format */
1967 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1968 opkt.data = (uint8_t *)&pict;
1969 opkt.size = sizeof(AVPicture);
1970 opkt.flags |= AV_PKT_FLAG_KEY;
1972 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1973 ost->st->codec->frame_number++;
1974 ost->frame_number++;
1975 av_free_packet(&opkt);
1979 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1980 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1981 avfilter_unref_buffer(ost->picref);
1983 av_freep(&filtered_frame);
1988 av_free(buffer_to_free);
1989 /* XXX: allocate the subtitles in the codec ? */
1990 if (subtitle_to_free) {
1991 avsubtitle_free(subtitle_to_free);
1992 subtitle_to_free = NULL;
1994 av_freep(&decoded_frame);
2003 static void print_sdp(OutputFile *output_files, int n)
2007 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2011 for (i = 0; i < n; i++)
2012 avc[i] = output_files[i].ctx;
2014 av_sdp_create(avc, n, sdp, sizeof(sdp));
2015 printf("SDP:\n%s\n", sdp);
2020 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2021 char *error, int error_len)
2023 InputStream *ist = &input_streams[ist_index];
2024 if (ist->decoding_needed) {
2025 AVCodec *codec = ist->dec;
2027 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
2028 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2029 return AVERROR(EINVAL);
2031 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2032 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
2033 ist->file_index, ist->st->index);
2034 return AVERROR(EINVAL);
2036 assert_codec_experimental(ist->st->codec, 0);
2037 assert_avoptions(ist->opts);
2040 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;
2041 ist->next_pts = AV_NOPTS_VALUE;
2047 static int transcode_init(OutputFile *output_files, int nb_output_files,
2048 InputFile *input_files, int nb_input_files)
2050 int ret = 0, i, j, k;
2051 AVFormatContext *os;
2052 AVCodecContext *codec, *icodec;
2058 /* init framerate emulation */
2059 for (i = 0; i < nb_input_files; i++) {
2060 InputFile *ifile = &input_files[i];
2061 if (ifile->rate_emu)
2062 for (j = 0; j < ifile->nb_streams; j++)
2063 input_streams[j + ifile->ist_index].start = av_gettime();
2066 /* output stream init */
2067 for(i=0;i<nb_output_files;i++) {
2068 os = output_files[i].ctx;
2069 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2070 av_dump_format(os, i, os->filename, 1);
2071 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2072 return AVERROR(EINVAL);
2076 /* for each output stream, we compute the right encoding parameters */
2077 for (i = 0; i < nb_output_streams; i++) {
2078 ost = &output_streams[i];
2079 os = output_files[ost->file_index].ctx;
2080 ist = &input_streams[ost->source_index];
2082 if (ost->attachment_filename)
2085 codec = ost->st->codec;
2086 icodec = ist->st->codec;
2088 ost->st->disposition = ist->st->disposition;
2089 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2090 codec->chroma_sample_location = icodec->chroma_sample_location;
2092 if (ost->stream_copy) {
2093 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2095 if (extra_size > INT_MAX) {
2096 return AVERROR(EINVAL);
2099 /* if stream_copy is selected, no need to decode or encode */
2100 codec->codec_id = icodec->codec_id;
2101 codec->codec_type = icodec->codec_type;
2103 if(!codec->codec_tag){
2104 if( !os->oformat->codec_tag
2105 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2106 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2107 codec->codec_tag = icodec->codec_tag;
2110 codec->bit_rate = icodec->bit_rate;
2111 codec->rc_max_rate = icodec->rc_max_rate;
2112 codec->rc_buffer_size = icodec->rc_buffer_size;
2113 codec->extradata= av_mallocz(extra_size);
2114 if (!codec->extradata) {
2115 return AVERROR(ENOMEM);
2117 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2118 codec->extradata_size= icodec->extradata_size;
2120 codec->time_base = ist->st->time_base;
2121 if(!strcmp(os->oformat->name, "avi")) {
2122 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2123 codec->time_base = icodec->time_base;
2124 codec->time_base.num *= icodec->ticks_per_frame;
2125 codec->time_base.den *= 2;
2127 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2128 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){
2129 codec->time_base = icodec->time_base;
2130 codec->time_base.num *= icodec->ticks_per_frame;
2133 av_reduce(&codec->time_base.num, &codec->time_base.den,
2134 codec->time_base.num, codec->time_base.den, INT_MAX);
2136 switch(codec->codec_type) {
2137 case AVMEDIA_TYPE_AUDIO:
2138 if(audio_volume != 256) {
2139 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2142 codec->channel_layout = icodec->channel_layout;
2143 codec->sample_rate = icodec->sample_rate;
2144 codec->channels = icodec->channels;
2145 codec->frame_size = icodec->frame_size;
2146 codec->audio_service_type = icodec->audio_service_type;
2147 codec->block_align= icodec->block_align;
2148 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2149 codec->block_align= 0;
2150 if(codec->codec_id == CODEC_ID_AC3)
2151 codec->block_align= 0;
2153 case AVMEDIA_TYPE_VIDEO:
2154 codec->pix_fmt = icodec->pix_fmt;
2155 codec->width = icodec->width;
2156 codec->height = icodec->height;
2157 codec->has_b_frames = icodec->has_b_frames;
2158 if (!codec->sample_aspect_ratio.num) {
2159 codec->sample_aspect_ratio =
2160 ost->st->sample_aspect_ratio =
2161 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2162 ist->st->codec->sample_aspect_ratio.num ?
2163 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2166 case AVMEDIA_TYPE_SUBTITLE:
2167 codec->width = icodec->width;
2168 codec->height = icodec->height;
2170 case AVMEDIA_TYPE_DATA:
2171 case AVMEDIA_TYPE_ATTACHMENT:
2178 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2179 ist->decoding_needed = 1;
2180 ost->encoding_needed = 1;
2181 switch(codec->codec_type) {
2182 case AVMEDIA_TYPE_AUDIO:
2183 ost->fifo= av_fifo_alloc(1024);
2185 return AVERROR(ENOMEM);
2187 if (!codec->sample_rate)
2188 codec->sample_rate = icodec->sample_rate;
2189 choose_sample_rate(ost->st, ost->enc);
2190 codec->time_base = (AVRational){1, codec->sample_rate};
2191 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2192 codec->sample_fmt = icodec->sample_fmt;
2193 choose_sample_fmt(ost->st, ost->enc);
2194 if (ost->audio_channels_mapped) {
2195 /* the requested output channel is set to the number of
2196 * -map_channel only if no -ac are specified */
2197 if (!codec->channels) {
2198 codec->channels = ost->audio_channels_mapped;
2199 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2200 if (!codec->channel_layout) {
2201 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2205 /* fill unused channel mapping with -1 (which means a muted
2206 * channel in case the number of output channels is bigger
2207 * than the number of mapped channel) */
2208 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2209 ost->audio_channels_map[j] = -1;
2210 } else if (!codec->channels) {
2211 codec->channels = icodec->channels;
2212 codec->channel_layout = icodec->channel_layout;
2214 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2215 codec->channel_layout = 0;
2216 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2217 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2218 || codec->channel_layout != icodec->channel_layout;
2219 icodec->request_channels = codec->channels;
2220 ost->resample_sample_fmt = icodec->sample_fmt;
2221 ost->resample_sample_rate = icodec->sample_rate;
2222 ost->resample_channels = icodec->channels;
2224 case AVMEDIA_TYPE_VIDEO:
2225 if (codec->pix_fmt == PIX_FMT_NONE)
2226 codec->pix_fmt = icodec->pix_fmt;
2227 choose_pixel_fmt(ost->st, ost->enc);
2229 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2230 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2234 if (!codec->width || !codec->height) {
2235 codec->width = icodec->width;
2236 codec->height = icodec->height;
2239 ost->video_resample = codec->width != icodec->width ||
2240 codec->height != icodec->height ||
2241 codec->pix_fmt != icodec->pix_fmt;
2242 if (ost->video_resample) {
2243 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2246 ost->resample_height = icodec->height;
2247 ost->resample_width = icodec->width;
2248 ost->resample_pix_fmt= icodec->pix_fmt;
2250 if (!ost->frame_rate.num)
2251 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2252 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2253 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2254 ost->frame_rate = ost->enc->supported_framerates[idx];
2256 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2257 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2258 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2259 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2260 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2262 for (j = 0; j < ost->forced_kf_count; j++)
2263 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2268 if (configure_video_filters(ist, ost)) {
2269 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2274 case AVMEDIA_TYPE_SUBTITLE:
2281 if (codec->codec_id != CODEC_ID_H264 &&
2282 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2283 char logfilename[1024];
2286 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2287 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2289 if (codec->flags & CODEC_FLAG_PASS2) {
2291 size_t logbuffer_size;
2292 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2293 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2297 codec->stats_in = logbuffer;
2299 if (codec->flags & CODEC_FLAG_PASS1) {
2300 f = fopen(logfilename, "wb");
2302 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2303 logfilename, strerror(errno));
2310 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2311 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2312 int size= codec->width * codec->height;
2313 bit_buffer_size= FFMAX(bit_buffer_size, 7*size + 10000);
2318 bit_buffer = av_malloc(bit_buffer_size);
2320 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2322 return AVERROR(ENOMEM);
2325 /* open each encoder */
2326 for (i = 0; i < nb_output_streams; i++) {
2327 ost = &output_streams[i];
2328 if (ost->encoding_needed) {
2329 AVCodec *codec = ost->enc;
2330 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2332 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2333 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2334 ret = AVERROR(EINVAL);
2337 if (dec->subtitle_header) {
2338 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2339 if (!ost->st->codec->subtitle_header) {
2340 ret = AVERROR(ENOMEM);
2343 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2344 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2346 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2347 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2348 ost->file_index, ost->index);
2349 ret = AVERROR(EINVAL);
2352 assert_codec_experimental(ost->st->codec, 1);
2353 assert_avoptions(ost->opts);
2354 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2355 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2356 " It takes bits/s as argument, not kbits/s\n");
2357 extra_size += ost->st->codec->extradata_size;
2359 if (ost->st->codec->me_threshold)
2360 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2364 /* init input streams */
2365 for (i = 0; i < nb_input_streams; i++)
2366 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2369 /* discard unused programs */
2370 for (i = 0; i < nb_input_files; i++) {
2371 InputFile *ifile = &input_files[i];
2372 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2373 AVProgram *p = ifile->ctx->programs[j];
2374 int discard = AVDISCARD_ALL;
2376 for (k = 0; k < p->nb_stream_indexes; k++)
2377 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2378 discard = AVDISCARD_DEFAULT;
2381 p->discard = discard;
2385 /* open files and write file headers */
2386 for (i = 0; i < nb_output_files; i++) {
2387 os = output_files[i].ctx;
2388 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2389 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2390 ret = AVERROR(EINVAL);
2393 // assert_avoptions(output_files[i].opts);
2394 if (strcmp(os->oformat->name, "rtp")) {
2400 /* dump the file output parameters - cannot be done before in case
2402 for(i=0;i<nb_output_files;i++) {
2403 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2406 /* dump the stream mapping */
2407 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2408 for (i = 0; i < nb_output_streams; i++) {
2409 ost = &output_streams[i];
2411 if (ost->attachment_filename) {
2412 /* an attached file */
2413 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2414 ost->attachment_filename, ost->file_index, ost->index);
2417 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2418 input_streams[ost->source_index].file_index,
2419 input_streams[ost->source_index].st->index,
2422 if (ost->audio_channels_mapped) {
2423 av_log(NULL, AV_LOG_INFO, " [ch:");
2424 for (j = 0; j < ost->audio_channels_mapped; j++)
2425 if (ost->audio_channels_map[j] == -1)
2426 av_log(NULL, AV_LOG_INFO, " M");
2428 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2429 av_log(NULL, AV_LOG_INFO, "]");
2431 if (ost->sync_ist != &input_streams[ost->source_index])
2432 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2433 ost->sync_ist->file_index,
2434 ost->sync_ist->st->index);
2435 if (ost->stream_copy)
2436 av_log(NULL, AV_LOG_INFO, " (copy)");
2438 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2439 input_streams[ost->source_index].dec->name : "?",
2440 ost->enc ? ost->enc->name : "?");
2441 av_log(NULL, AV_LOG_INFO, "\n");
2445 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2450 print_sdp(output_files, nb_output_files);
2457 * The following code is the main loop of the file converter
2459 static int transcode(OutputFile *output_files, int nb_output_files,
2460 InputFile *input_files, int nb_input_files)
2463 AVFormatContext *is, *os;
2467 int no_packet_count=0;
2468 int64_t timer_start;
2471 if (!(no_packet = av_mallocz(nb_input_files)))
2474 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2479 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2480 avio_set_interrupt_cb(decode_interrupt_cb);
2483 timer_start = av_gettime();
2485 for(; received_sigterm == 0;) {
2486 int file_index, ist_index;
2490 int64_t cur_time= av_gettime();
2492 ipts_min= INT64_MAX;
2494 /* if 'q' pressed, exits */
2496 static int64_t last_time;
2497 if (received_nb_signals)
2499 /* read_key() returns 0 on EOF */
2500 if(cur_time - last_time >= 100000 && !run_as_daemon){
2502 last_time = cur_time;
2507 if (key == '+') av_log_set_level(av_log_get_level()+10);
2508 if (key == '-') av_log_set_level(av_log_get_level()-10);
2509 if (key == 's') qp_hist ^= 1;
2512 do_hex_dump = do_pkt_dump = 0;
2513 } else if(do_pkt_dump){
2517 av_log_set_level(AV_LOG_DEBUG);
2520 if (key == 'c' || key == 'C'){
2521 char buf[4096], target[64], command[256], arg[256] = {0};
2524 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2526 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2531 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2532 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2533 target, time, command, arg);
2534 for (i = 0; i < nb_output_streams; i++) {
2535 ost = &output_streams[i];
2538 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2539 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2540 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2542 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2547 av_log(NULL, AV_LOG_ERROR,
2548 "Parse error, at least 3 arguments were expected, "
2549 "only %d given in string '%s'\n", n, buf);
2553 if (key == 'd' || key == 'D'){
2556 debug = input_streams[0].st->codec->debug<<1;
2557 if(!debug) debug = 1;
2558 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2561 scanf("%d", &debug);
2562 for(i=0;i<nb_input_streams;i++) {
2563 input_streams[i].st->codec->debug = debug;
2565 for(i=0;i<nb_output_streams;i++) {
2566 ost = &output_streams[i];
2567 ost->st->codec->debug = debug;
2569 if(debug) av_log_set_level(AV_LOG_DEBUG);
2570 fprintf(stderr,"debug=%d\n", debug);
2573 fprintf(stderr, "key function\n"
2574 "? show this help\n"
2575 "+ increase verbosity\n"
2576 "- decrease verbosity\n"
2577 "c Send command to filtergraph\n"
2578 "D cycle through available debug modes\n"
2579 "h dump packets/hex press to cycle through the 3 states\n"
2581 "s Show QP histogram\n"
2586 /* select the stream that we must read now by looking at the
2587 smallest output pts */
2589 for (i = 0; i < nb_output_streams; i++) {
2593 ost = &output_streams[i];
2594 of = &output_files[ost->file_index];
2595 os = output_files[ost->file_index].ctx;
2596 ist = &input_streams[ost->source_index];
2597 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2598 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2600 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2602 if (!input_files[ist->file_index].eof_reached){
2603 if(ipts < ipts_min) {
2605 if(input_sync ) file_index = ist->file_index;
2607 if(opts < opts_min) {
2609 if(!input_sync) file_index = ist->file_index;
2612 if (ost->frame_number >= ost->max_frames) {
2614 for (j = 0; j < of->ctx->nb_streams; j++)
2615 output_streams[of->ost_index + j].is_past_recording_time = 1;
2619 /* if none, if is finished */
2620 if (file_index < 0) {
2621 if(no_packet_count){
2623 memset(no_packet, 0, nb_input_files);
2630 /* read a frame from it and output it in the fifo */
2631 is = input_files[file_index].ctx;
2632 ret= av_read_frame(is, &pkt);
2633 if(ret == AVERROR(EAGAIN)){
2634 no_packet[file_index]=1;
2639 input_files[file_index].eof_reached = 1;
2647 memset(no_packet, 0, nb_input_files);
2650 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2651 is->streams[pkt.stream_index]);
2653 /* the following test is needed in case new streams appear
2654 dynamically in stream : we ignore them */
2655 if (pkt.stream_index >= input_files[file_index].nb_streams)
2656 goto discard_packet;
2657 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2658 ist = &input_streams[ist_index];
2660 goto discard_packet;
2662 if (pkt.dts != AV_NOPTS_VALUE)
2663 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2664 if (pkt.pts != AV_NOPTS_VALUE)
2665 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2667 if(pkt.pts != AV_NOPTS_VALUE)
2668 pkt.pts *= ist->ts_scale;
2669 if(pkt.dts != AV_NOPTS_VALUE)
2670 pkt.dts *= ist->ts_scale;
2672 // 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);
2673 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2674 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2675 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2676 int64_t delta= pkt_dts - ist->next_pts;
2677 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2678 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2679 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2680 pkt_dts+1<ist->pts)&& !copy_ts){
2681 input_files[ist->file_index].ts_offset -= delta;
2682 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2683 delta, input_files[ist->file_index].ts_offset);
2684 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2685 if(pkt.pts != AV_NOPTS_VALUE)
2686 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2690 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2691 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2693 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2694 ist->file_index, ist->st->index);
2697 av_free_packet(&pkt);
2702 av_free_packet(&pkt);
2704 /* dump report by using the output first video and audio streams */
2705 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2708 /* at the end of stream, we must flush the decoder buffers */
2709 for (i = 0; i < nb_input_streams; i++) {
2710 ist = &input_streams[i];
2711 if (ist->decoding_needed) {
2712 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2715 flush_encoders(output_streams, nb_output_streams);
2719 /* write the trailer if needed and close file */
2720 for(i=0;i<nb_output_files;i++) {
2721 os = output_files[i].ctx;
2722 av_write_trailer(os);
2725 /* dump report by using the first video and audio streams */
2726 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
2728 /* close each encoder */
2729 for (i = 0; i < nb_output_streams; i++) {
2730 ost = &output_streams[i];
2731 if (ost->encoding_needed) {
2732 av_freep(&ost->st->codec->stats_in);
2733 avcodec_close(ost->st->codec);
2736 avfilter_graph_free(&ost->graph);
2740 /* close each decoder */
2741 for (i = 0; i < nb_input_streams; i++) {
2742 ist = &input_streams[i];
2743 if (ist->decoding_needed) {
2744 avcodec_close(ist->st->codec);
2752 av_freep(&bit_buffer);
2753 av_freep(&no_packet);
2755 if (output_streams) {
2756 for (i = 0; i < nb_output_streams; i++) {
2757 ost = &output_streams[i];
2759 if (ost->stream_copy)
2760 av_freep(&ost->st->codec->extradata);
2762 fclose(ost->logfile);
2763 ost->logfile = NULL;
2765 av_fifo_free(ost->fifo); /* works even if fifo is not
2766 initialized but set to zero */
2767 av_freep(&ost->st->codec->subtitle_header);
2768 av_free(ost->resample_frame.data[0]);
2769 av_free(ost->forced_kf_pts);
2770 if (ost->video_resample)
2771 sws_freeContext(ost->img_resample_ctx);
2772 swr_free(&ost->swr);
2773 av_dict_free(&ost->opts);
2780 static int opt_frame_crop(const char *opt, const char *arg)
2782 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
2783 return AVERROR(EINVAL);
2786 static int opt_pad(const char *opt, const char *arg)
2788 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
2792 static double parse_frame_aspect_ratio(const char *arg)
2799 p = strchr(arg, ':');
2801 x = strtol(arg, &end, 10);
2803 y = strtol(end+1, &end, 10);
2805 ar = (double)x / (double)y;
2807 ar = strtod(arg, NULL);
2810 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2816 static int opt_video_channel(const char *opt, const char *arg)
2818 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2819 return opt_default("channel", arg);
2822 static int opt_video_standard(const char *opt, const char *arg)
2824 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2825 return opt_default("standard", arg);
2828 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2830 audio_codec_name = arg;
2831 return parse_option(o, "codec:a", arg, options);
2834 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2836 video_codec_name = arg;
2837 return parse_option(o, "codec:v", arg, options);
2840 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2842 subtitle_codec_name = arg;
2843 return parse_option(o, "codec:s", arg, options);
2846 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2848 return parse_option(o, "codec:d", arg, options);
2851 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2853 StreamMap *m = NULL;
2854 int i, negative = 0, file_idx;
2855 int sync_file_idx = -1, sync_stream_idx;
2863 map = av_strdup(arg);
2865 /* parse sync stream first, just pick first matching stream */
2866 if (sync = strchr(map, ',')) {
2868 sync_file_idx = strtol(sync + 1, &sync, 0);
2869 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2870 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2875 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2876 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2877 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2878 sync_stream_idx = i;
2881 if (i == input_files[sync_file_idx].nb_streams) {
2882 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2883 "match any streams.\n", arg);
2889 file_idx = strtol(map, &p, 0);
2890 if (file_idx >= nb_input_files || file_idx < 0) {
2891 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2895 /* disable some already defined maps */
2896 for (i = 0; i < o->nb_stream_maps; i++) {
2897 m = &o->stream_maps[i];
2898 if (file_idx == m->file_index &&
2899 check_stream_specifier(input_files[m->file_index].ctx,
2900 input_files[m->file_index].ctx->streams[m->stream_index],
2901 *p == ':' ? p + 1 : p) > 0)
2905 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2906 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2907 *p == ':' ? p + 1 : p) <= 0)
2909 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2910 &o->nb_stream_maps, o->nb_stream_maps + 1);
2911 m = &o->stream_maps[o->nb_stream_maps - 1];
2913 m->file_index = file_idx;
2914 m->stream_index = i;
2916 if (sync_file_idx >= 0) {
2917 m->sync_file_index = sync_file_idx;
2918 m->sync_stream_index = sync_stream_idx;
2920 m->sync_file_index = file_idx;
2921 m->sync_stream_index = i;
2926 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2934 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2936 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2937 &o->nb_attachments, o->nb_attachments + 1);
2938 o->attachments[o->nb_attachments - 1] = arg;
2942 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
2948 o->audio_channel_maps =
2949 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
2950 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
2951 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
2953 /* muted channel syntax */
2954 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
2955 if ((n == 1 || n == 3) && m->channel_idx == -1) {
2956 m->file_idx = m->stream_idx = -1;
2958 m->ofile_idx = m->ostream_idx = -1;
2963 n = sscanf(arg, "%d.%d.%d:%d.%d",
2964 &m->file_idx, &m->stream_idx, &m->channel_idx,
2965 &m->ofile_idx, &m->ostream_idx);
2967 if (n != 3 && n != 5) {
2968 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
2969 "[file.stream.channel|-1][:syncfile:syncstream]\n");
2973 if (n != 5) // only file.stream.channel specified
2974 m->ofile_idx = m->ostream_idx = -1;
2977 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
2978 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
2982 if (m->stream_idx < 0 ||
2983 m->stream_idx >= input_files[m->file_idx].nb_streams) {
2984 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
2985 m->file_idx, m->stream_idx);
2988 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
2989 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
2990 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
2991 m->file_idx, m->stream_idx);
2994 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
2995 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
2996 m->file_idx, m->stream_idx, m->channel_idx);
3002 static void parse_meta_type(char *arg, char *type, int *index)
3012 if (*(++arg) == ':')
3013 *index = strtol(++arg, NULL, 0);
3016 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3023 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
3025 MetadataMap *m, *m1;
3028 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
3029 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
3031 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
3032 m->file = strtol(arg, &p, 0);
3033 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
3035 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
3036 if (p = strchr(opt, ':'))
3037 parse_meta_type(p + 1, &m1->type, &m1->index);
3041 if (m->type == 'g' || m1->type == 'g')
3042 o->metadata_global_manual = 1;
3043 if (m->type == 's' || m1->type == 's')
3044 o->metadata_streams_manual = 1;
3045 if (m->type == 'c' || m1->type == 'c')
3046 o->metadata_chapters_manual = 1;
3051 static int opt_map_meta_data(OptionsContext *o, const char *opt, const char *arg)
3053 av_log(NULL, AV_LOG_WARNING, "-map_meta_data is deprecated and will be removed soon. "
3054 "Use -map_metadata instead.\n");
3055 return opt_map_metadata(o, opt, arg);
3058 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3061 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3062 struct tm time = *gmtime((time_t*)&recording_timestamp);
3063 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3064 parse_option(o, "metadata", buf, options);
3066 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3067 "tag instead.\n", opt);
3071 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3073 const char *codec_string = encoder ? "encoder" : "decoder";
3077 avcodec_find_encoder_by_name(name) :
3078 avcodec_find_decoder_by_name(name);
3080 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3083 if(codec->type != type) {
3084 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3090 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3092 char *codec_name = NULL;
3094 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3096 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3097 st->codec->codec_id = codec->id;
3100 return avcodec_find_decoder(st->codec->codec_id);
3104 * Add all the streams from the given input file to the global
3105 * list of input streams.
3107 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3109 int i, rfps, rfps_base;
3110 char *next, *codec_tag = NULL;
3112 for (i = 0; i < ic->nb_streams; i++) {
3113 AVStream *st = ic->streams[i];
3114 AVCodecContext *dec = st->codec;
3118 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3119 ist = &input_streams[nb_input_streams - 1];
3121 ist->file_index = nb_input_files;
3123 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3125 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
3126 ist->ts_scale = scale;
3128 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3130 uint32_t tag = strtol(codec_tag, &next, 0);
3132 tag = AV_RL32(codec_tag);
3133 st->codec->codec_tag = tag;
3136 ist->dec = choose_decoder(o, ic, st);
3138 switch (dec->codec_type) {
3139 case AVMEDIA_TYPE_AUDIO:
3141 ist->dec = avcodec_find_decoder(dec->codec_id);
3142 if(o->audio_disable)
3143 st->discard= AVDISCARD_ALL;
3145 case AVMEDIA_TYPE_VIDEO:
3147 ist->dec = avcodec_find_decoder(dec->codec_id);
3148 rfps = ic->streams[i]->r_frame_rate.num;
3149 rfps_base = ic->streams[i]->r_frame_rate.den;
3151 dec->flags |= CODEC_FLAG_EMU_EDGE;
3154 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3156 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",
3157 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3158 (float)rfps / rfps_base, rfps, rfps_base);
3161 if (o->video_disable)
3162 st->discard= AVDISCARD_ALL;
3163 else if(video_discard)
3164 st->discard= video_discard;
3166 case AVMEDIA_TYPE_DATA:
3168 case AVMEDIA_TYPE_SUBTITLE:
3170 ist->dec = avcodec_find_decoder(dec->codec_id);
3171 if(o->subtitle_disable)
3172 st->discard = AVDISCARD_ALL;
3174 case AVMEDIA_TYPE_ATTACHMENT:
3175 case AVMEDIA_TYPE_UNKNOWN:
3183 static void assert_file_overwrite(const char *filename)
3185 if (!file_overwrite &&
3186 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3187 av_strstart(filename, "file:", NULL))) {
3188 if (avio_check(filename, 0) == 0) {
3190 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3193 if (!read_yesno()) {
3194 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3200 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3207 static void dump_attachment(AVStream *st, const char *filename)
3210 AVIOContext *out = NULL;
3211 AVDictionaryEntry *e;
3213 if (!st->codec->extradata_size) {
3214 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3215 nb_input_files - 1, st->index);
3218 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3219 filename = e->value;
3221 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3222 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3226 assert_file_overwrite(filename);
3228 if ((ret = avio_open (&out, filename, AVIO_FLAG_WRITE)) < 0) {
3229 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3234 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3239 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3241 AVFormatContext *ic;
3242 AVInputFormat *file_iformat = NULL;
3246 AVDictionary **opts;
3247 int orig_nb_streams; // number of streams before avformat_find_stream_info
3250 if (!(file_iformat = av_find_input_format(o->format))) {
3251 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3256 if (!strcmp(filename, "-"))
3259 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3260 !strcmp(filename, "/dev/stdin");
3262 /* get default parameters from command line */
3263 ic = avformat_alloc_context();
3265 print_error(filename, AVERROR(ENOMEM));
3268 if (o->nb_audio_sample_rate) {
3269 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3270 av_dict_set(&format_opts, "sample_rate", buf, 0);
3272 if (o->nb_audio_channels) {
3273 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3274 av_dict_set(&format_opts, "channels", buf, 0);
3276 if (o->nb_frame_rates) {
3277 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3279 if (o->nb_frame_sizes) {
3280 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3282 if (o->nb_frame_pix_fmts)
3283 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3285 ic->video_codec_id = video_codec_name ?
3286 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3287 ic->audio_codec_id = audio_codec_name ?
3288 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3289 ic->subtitle_codec_id= subtitle_codec_name ?
3290 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3291 ic->flags |= AVFMT_FLAG_NONBLOCK;
3294 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3295 ic->loop_input = loop_input;
3298 /* open the input file with generic libav function */
3299 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3301 print_error(filename, err);
3304 assert_avoptions(format_opts);
3306 /* apply forced codec ids */
3307 for (i = 0; i < ic->nb_streams; i++)
3308 choose_decoder(o, ic, ic->streams[i]);
3310 /* Set AVCodecContext options for avformat_find_stream_info */
3311 opts = setup_find_stream_info_opts(ic, codec_opts);
3312 orig_nb_streams = ic->nb_streams;
3314 /* If not enough info to get the stream parameters, we decode the
3315 first frames to get it. (used in mpeg case for example) */
3316 ret = avformat_find_stream_info(ic, opts);
3318 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3319 av_close_input_file(ic);
3323 timestamp = o->start_time;
3324 /* add the stream start time */
3325 if (ic->start_time != AV_NOPTS_VALUE)
3326 timestamp += ic->start_time;
3328 /* if seeking requested, we execute it */
3329 if (o->start_time != 0) {
3330 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3332 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3333 filename, (double)timestamp / AV_TIME_BASE);
3337 /* update the current parameters so that they match the one of the input stream */
3338 add_input_streams(o, ic);
3340 /* dump the file content */
3341 av_dump_format(ic, nb_input_files, filename, 0);
3343 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3344 input_files[nb_input_files - 1].ctx = ic;
3345 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3346 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3347 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3348 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3350 for (i = 0; i < o->nb_dump_attachment; i++) {
3353 for (j = 0; j < ic->nb_streams; j++) {
3354 AVStream *st = ic->streams[j];
3356 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3357 dump_attachment(st, o->dump_attachment[i].u.str);
3361 for (i = 0; i < orig_nb_streams; i++)
3362 av_dict_free(&opts[i]);
3365 reset_options(o, 1);
3369 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3374 for (p = kf; *p; p++)
3377 ost->forced_kf_count = n;
3378 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3379 if (!ost->forced_kf_pts) {
3380 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3383 for (i = 0; i < n; i++) {
3384 p = i ? strchr(p, ',') + 1 : kf;
3385 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3389 static uint8_t *get_line(AVIOContext *s)
3395 if (avio_open_dyn_buf(&line) < 0) {
3396 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3400 while ((c = avio_r8(s)) && c != '\n')
3403 avio_close_dyn_buf(line, &buf);
3408 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3411 char filename[1000];
3412 const char *base[3] = { getenv("AVCONV_DATADIR"),
3417 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3421 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3422 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3423 ret = avio_open(s, filename, AVIO_FLAG_READ);
3426 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3427 i != 1 ? "" : "/.avconv", preset_name);
3428 ret = avio_open(s, filename, AVIO_FLAG_READ);
3434 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3436 char *codec_name = NULL;
3438 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3440 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3441 NULL, ost->st->codec->codec_type);
3442 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3443 } else if (!strcmp(codec_name, "copy"))
3444 ost->stream_copy = 1;
3446 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3447 ost->st->codec->codec_id = ost->enc->id;
3451 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3454 AVStream *st = avformat_new_stream(oc, NULL);
3455 int idx = oc->nb_streams - 1, ret = 0;
3456 int64_t max_frames = INT64_MAX;
3457 char *bsf = NULL, *next, *codec_tag = NULL;
3458 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3460 char *buf = NULL, *arg = NULL, *preset = NULL;
3461 AVIOContext *s = NULL;
3464 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3468 if (oc->nb_streams - 1 < o->nb_streamid_map)
3469 st->id = o->streamid_map[oc->nb_streams - 1];
3471 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3472 nb_output_streams + 1);
3473 ost = &output_streams[nb_output_streams - 1];
3474 ost->file_index = nb_output_files;
3477 st->codec->codec_type = type;
3478 choose_encoder(o, oc, ost);
3480 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3483 avcodec_get_context_defaults3(st->codec, ost->enc);
3484 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3486 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3487 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3490 if (!buf[0] || buf[0] == '#') {
3494 if (!(arg = strchr(buf, '='))) {
3495 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3499 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3501 } while (!s->eof_reached);
3505 av_log(NULL, AV_LOG_FATAL,
3506 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3507 preset, ost->file_index, ost->index);
3511 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3512 ost->max_frames = max_frames;
3514 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3516 if (next = strchr(bsf, ','))
3518 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3519 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3523 bsfc_prev->next = bsfc;
3525 ost->bitstream_filters = bsfc;
3531 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3533 uint32_t tag = strtol(codec_tag, &next, 0);
3535 tag = AV_RL32(codec_tag);
3536 st->codec->codec_tag = tag;
3539 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3540 if (qscale >= 0 || same_quant) {
3541 st->codec->flags |= CODEC_FLAG_QSCALE;
3542 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3545 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3546 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3548 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3552 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3555 const char *p = str;
3562 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3569 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3573 AVCodecContext *video_enc;
3575 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3577 video_enc = st->codec;
3579 if (!ost->stream_copy) {
3580 const char *p = NULL;
3581 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3582 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3583 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3584 int i, force_fps = 0, top_field_first = -1;
3586 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3587 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3588 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3592 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3593 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3594 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3598 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3599 if (frame_aspect_ratio)
3600 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3602 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3603 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3604 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3605 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3608 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3611 video_enc->gop_size = 0;
3612 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3614 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3615 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3618 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3620 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3622 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3623 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3626 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3629 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3632 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3634 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3637 /* FIXME realloc failure */
3638 video_enc->rc_override=
3639 av_realloc(video_enc->rc_override,
3640 sizeof(RcOverride)*(i+1));
3641 video_enc->rc_override[i].start_frame= start;
3642 video_enc->rc_override[i].end_frame = end;
3644 video_enc->rc_override[i].qscale= q;
3645 video_enc->rc_override[i].quality_factor= 1.0;
3648 video_enc->rc_override[i].qscale= 0;
3649 video_enc->rc_override[i].quality_factor= -q/100.0;
3654 video_enc->rc_override_count=i;
3655 if (!video_enc->rc_initial_buffer_occupancy)
3656 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3657 video_enc->intra_dc_precision= intra_dc_precision - 8;
3662 video_enc->flags |= CODEC_FLAG_PASS1;
3665 video_enc->flags |= CODEC_FLAG_PASS2;
3669 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3670 if (forced_key_frames)
3671 parse_forced_key_frames(forced_key_frames, ost);
3673 MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
3674 ost->force_fps = force_fps;
3676 MATCH_PER_STREAM_OPT(top_field_first, i, top_field_first, oc, st);
3677 ost->top_field_first = top_field_first;
3680 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3682 ost->avfilter = av_strdup(filters);
3689 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3694 AVCodecContext *audio_enc;
3696 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3699 audio_enc = st->codec;
3700 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3702 if (!ost->stream_copy) {
3703 char *sample_fmt = NULL;
3705 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3707 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3709 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3710 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3714 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3716 ost->rematrix_volume=1.0;
3717 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
3720 /* check for channel mapping for this audio stream */
3721 for (n = 0; n < o->nb_audio_channel_maps; n++) {
3722 AudioChannelMap *map = &o->audio_channel_maps[n];
3723 InputStream *ist = &input_streams[ost->source_index];
3724 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
3725 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
3726 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
3727 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
3728 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
3730 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
3731 ost->file_index, ost->st->index);
3738 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3742 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3743 if (!ost->stream_copy) {
3744 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3751 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3753 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3754 ost->stream_copy = 1;
3758 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3762 AVCodecContext *subtitle_enc;
3764 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3766 subtitle_enc = st->codec;
3768 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3773 /* arg format is "output-stream-index:streamid-value". */
3774 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3780 av_strlcpy(idx_str, arg, sizeof(idx_str));
3781 p = strchr(idx_str, ':');
3783 av_log(NULL, AV_LOG_FATAL,
3784 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3789 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3790 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3791 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3795 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3797 AVFormatContext *is = ifile->ctx;
3798 AVFormatContext *os = ofile->ctx;
3801 for (i = 0; i < is->nb_chapters; i++) {
3802 AVChapter *in_ch = is->chapters[i], *out_ch;
3803 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3804 AV_TIME_BASE_Q, in_ch->time_base);
3805 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3806 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3809 if (in_ch->end < ts_off)
3811 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3814 out_ch = av_mallocz(sizeof(AVChapter));
3816 return AVERROR(ENOMEM);
3818 out_ch->id = in_ch->id;
3819 out_ch->time_base = in_ch->time_base;
3820 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3821 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3824 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3827 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
3829 return AVERROR(ENOMEM);
3830 os->chapters[os->nb_chapters - 1] = out_ch;
3835 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
3838 AVFormatContext *ic = NULL;
3840 err = avformat_open_input(&ic, filename, NULL, NULL);
3843 /* copy stream format */
3844 for(i=0;i<ic->nb_streams;i++) {
3848 AVCodecContext *avctx;
3850 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3851 ost = new_output_stream(o, s, codec->type);
3855 // FIXME: a more elegant solution is needed
3856 memcpy(st, ic->streams[i], sizeof(AVStream));
3857 st->info = av_malloc(sizeof(*st->info));
3858 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3860 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3862 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
3863 choose_sample_fmt(st, codec);
3864 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
3865 choose_pixel_fmt(st, codec);
3868 av_close_input_file(ic);
3872 static void opt_output_file(void *optctx, const char *filename)
3874 OptionsContext *o = optctx;
3875 AVFormatContext *oc;
3877 AVOutputFormat *file_oformat;
3881 if (!strcmp(filename, "-"))
3884 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3886 print_error(filename, err);
3889 file_oformat= oc->oformat;
3891 if (!strcmp(file_oformat->name, "ffm") &&
3892 av_strstart(filename, "http:", NULL)) {
3894 /* special case for files sent to ffserver: we get the stream
3895 parameters from ffserver */
3896 int err = read_ffserver_streams(o, oc, filename);
3898 print_error(filename, err);
3901 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
3902 ost = &output_streams[j];
3903 for (i = 0; i < nb_input_streams; i++) {
3904 ist = &input_streams[i];
3905 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
3907 ost->source_index= i;
3913 } else if (!o->nb_stream_maps) {
3914 /* pick the "best" stream of each type */
3915 #define NEW_STREAM(type, index)\
3917 ost = new_ ## type ## _stream(o, oc);\
3918 ost->source_index = index;\
3919 ost->sync_ist = &input_streams[index];\
3920 input_streams[index].discard = 0;\
3923 /* video: highest resolution */
3924 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3925 int area = 0, idx = -1;
3926 for (i = 0; i < nb_input_streams; i++) {
3927 ist = &input_streams[i];
3928 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3929 ist->st->codec->width * ist->st->codec->height > area) {
3930 area = ist->st->codec->width * ist->st->codec->height;
3934 NEW_STREAM(video, idx);
3937 /* audio: most channels */
3938 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3939 int channels = 0, idx = -1;
3940 for (i = 0; i < nb_input_streams; i++) {
3941 ist = &input_streams[i];
3942 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3943 ist->st->codec->channels > channels) {
3944 channels = ist->st->codec->channels;
3948 NEW_STREAM(audio, idx);
3951 /* subtitles: pick first */
3952 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
3953 for (i = 0; i < nb_input_streams; i++)
3954 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3955 NEW_STREAM(subtitle, i);
3959 /* do something with data? */
3961 for (i = 0; i < o->nb_stream_maps; i++) {
3962 StreamMap *map = &o->stream_maps[i];
3967 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3968 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
3970 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
3972 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
3975 switch (ist->st->codec->codec_type) {
3976 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3977 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3978 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3979 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3980 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3982 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d.%d - unsupported type.\n",
3983 map->file_index, map->stream_index);
3987 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3988 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3989 map->sync_stream_index];
3994 /* handle attached files */
3995 for (i = 0; i < o->nb_attachments; i++) {
3997 uint8_t *attachment;
4001 if ((err = avio_open(&pb, o->attachments[i], AVIO_FLAG_READ)) < 0) {
4002 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4006 if ((len = avio_size(pb)) <= 0) {
4007 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4011 if (!(attachment = av_malloc(len))) {
4012 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4016 avio_read(pb, attachment, len);
4018 ost = new_attachment_stream(o, oc);
4019 ost->stream_copy = 0;
4020 ost->source_index = -1;
4021 ost->attachment_filename = o->attachments[i];
4022 ost->st->codec->extradata = attachment;
4023 ost->st->codec->extradata_size = len;
4025 p = strrchr(o->attachments[i], '/');
4026 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4030 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4031 output_files[nb_output_files - 1].ctx = oc;
4032 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4033 output_files[nb_output_files - 1].recording_time = o->recording_time;
4034 output_files[nb_output_files - 1].start_time = o->start_time;
4035 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4036 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4038 /* check filename in case of an image number is expected */
4039 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4040 if (!av_filename_number_test(oc->filename)) {
4041 print_error(oc->filename, AVERROR(EINVAL));
4046 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4047 /* test if it already exists to avoid loosing precious files */
4048 assert_file_overwrite(filename);
4051 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
4052 print_error(filename, err);
4057 if (o->mux_preload) {
4059 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4060 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4062 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4064 if (loop_output >= 0) {
4065 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4066 oc->loop_output = loop_output;
4070 if (o->chapters_input_file >= nb_input_files) {
4071 if (o->chapters_input_file == INT_MAX) {
4072 /* copy chapters from the first input file that has them*/
4073 o->chapters_input_file = -1;
4074 for (i = 0; i < nb_input_files; i++)
4075 if (input_files[i].ctx->nb_chapters) {
4076 o->chapters_input_file = i;
4080 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4081 o->chapters_input_file);
4085 if (o->chapters_input_file >= 0)
4086 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4087 !o->metadata_chapters_manual);
4090 for (i = 0; i < o->nb_meta_data_maps; i++) {
4091 AVFormatContext *files[2];
4092 AVDictionary **meta[2];
4095 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
4096 if ((index) < 0 || (index) >= (nb_elems)) {\
4097 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
4102 int in_file_index = o->meta_data_maps[i][1].file;
4103 if (in_file_index < 0)
4105 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
4108 files[1] = input_files[in_file_index].ctx;
4110 for (j = 0; j < 2; j++) {
4111 MetadataMap *map = &o->meta_data_maps[i][j];
4113 switch (map->type) {
4115 meta[j] = &files[j]->metadata;
4118 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
4119 meta[j] = &files[j]->streams[map->index]->metadata;
4122 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
4123 meta[j] = &files[j]->chapters[map->index]->metadata;
4126 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
4127 meta[j] = &files[j]->programs[map->index]->metadata;
4134 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
4137 /* copy global metadata by default */
4138 if (!o->metadata_global_manual && nb_input_files){
4139 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4140 AV_DICT_DONT_OVERWRITE);
4141 if(o->recording_time != INT64_MAX)
4142 av_dict_set(&oc->metadata, "duration", NULL, 0);
4144 if (!o->metadata_streams_manual)
4145 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4147 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4149 ist = &input_streams[output_streams[i].source_index];
4150 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4153 /* process manually set metadata */
4154 for (i = 0; i < o->nb_metadata; i++) {
4159 val = strchr(o->metadata[i].u.str, '=');
4161 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4162 o->metadata[i].u.str);
4167 parse_meta_type(o->metadata[i].specifier, &type, &index);
4173 if (index < 0 || index >= oc->nb_streams) {
4174 av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
4177 m = &oc->streams[index]->metadata;
4180 if (index < 0 || index >= oc->nb_chapters) {
4181 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4184 m = &oc->chapters[index]->metadata;
4187 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4191 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4194 reset_options(o, 0);
4197 /* same option as mencoder */
4198 static int opt_pass(const char *opt, const char *arg)
4200 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4204 static int64_t getutime(void)
4207 struct rusage rusage;
4209 getrusage(RUSAGE_SELF, &rusage);
4210 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4211 #elif HAVE_GETPROCESSTIMES
4213 FILETIME c, e, k, u;
4214 proc = GetCurrentProcess();
4215 GetProcessTimes(proc, &c, &e, &k, &u);
4216 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4218 return av_gettime();
4222 static int64_t getmaxrss(void)
4224 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4225 struct rusage rusage;
4226 getrusage(RUSAGE_SELF, &rusage);
4227 return (int64_t)rusage.ru_maxrss * 1024;
4228 #elif HAVE_GETPROCESSMEMORYINFO
4230 PROCESS_MEMORY_COUNTERS memcounters;
4231 proc = GetCurrentProcess();
4232 memcounters.cb = sizeof(memcounters);
4233 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4234 return memcounters.PeakPagefileUsage;
4240 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4242 return parse_option(o, "q:a", arg, options);
4245 static void show_usage(void)
4247 printf("Hyper fast Audio and Video encoder\n");
4248 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4252 static int opt_help(const char *opt, const char *arg)
4254 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4255 av_log_set_callback(log_callback_help);
4257 show_help_options(options, "Main options:\n",
4258 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4259 show_help_options(options, "\nAdvanced options:\n",
4260 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4262 show_help_options(options, "\nVideo options:\n",
4263 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4265 show_help_options(options, "\nAdvanced Video options:\n",
4266 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4267 OPT_VIDEO | OPT_EXPERT);
4268 show_help_options(options, "\nAudio options:\n",
4269 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4271 show_help_options(options, "\nAdvanced Audio options:\n",
4272 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4273 OPT_AUDIO | OPT_EXPERT);
4274 show_help_options(options, "\nSubtitle options:\n",
4275 OPT_SUBTITLE | OPT_GRAB,
4277 show_help_options(options, "\nAudio/Video grab options:\n",
4281 show_help_children(avcodec_get_class(), flags);
4282 show_help_children(avformat_get_class(), flags);
4283 show_help_children(sws_get_class(), flags);
4288 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4290 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4291 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4293 if(!strncmp(arg, "pal-", 4)) {
4296 } else if(!strncmp(arg, "ntsc-", 5)) {
4299 } else if(!strncmp(arg, "film-", 5)) {
4303 /* Try to determine PAL/NTSC by peeking in the input files */
4304 if(nb_input_files) {
4306 for (j = 0; j < nb_input_files; j++) {
4307 for (i = 0; i < input_files[j].nb_streams; i++) {
4308 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4309 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4311 fr = c->time_base.den * 1000 / c->time_base.num;
4315 } else if((fr == 29970) || (fr == 23976)) {
4324 if (norm != UNKNOWN)
4325 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4328 if(norm == UNKNOWN) {
4329 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4330 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4331 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4335 if(!strcmp(arg, "vcd")) {
4336 opt_video_codec(o, "c:v", "mpeg1video");
4337 opt_audio_codec(o, "c:a", "mp2");
4338 parse_option(o, "f", "vcd", options);
4340 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4341 parse_option(o, "r", frame_rates[norm], options);
4342 opt_default("g", norm == PAL ? "15" : "18");
4344 opt_default("b", "1150000");
4345 opt_default("maxrate", "1150000");
4346 opt_default("minrate", "1150000");
4347 opt_default("bufsize", "327680"); // 40*1024*8;
4349 opt_default("b:a", "224000");
4350 parse_option(o, "ar", "44100", options);
4351 parse_option(o, "ac", "2", options);
4353 opt_default("packetsize", "2324");
4354 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4356 /* We have to offset the PTS, so that it is consistent with the SCR.
4357 SCR starts at 36000, but the first two packs contain only padding
4358 and the first pack from the other stream, respectively, may also have
4359 been written before.
4360 So the real data starts at SCR 36000+3*1200. */
4361 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4362 } else if(!strcmp(arg, "svcd")) {
4364 opt_video_codec(o, "c:v", "mpeg2video");
4365 opt_audio_codec(o, "c:a", "mp2");
4366 parse_option(o, "f", "svcd", options);
4368 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4369 parse_option(o, "r", frame_rates[norm], options);
4370 parse_option(o, "pix_fmt", "yuv420p", options);
4371 opt_default("g", norm == PAL ? "15" : "18");
4373 opt_default("b", "2040000");
4374 opt_default("maxrate", "2516000");
4375 opt_default("minrate", "0"); //1145000;
4376 opt_default("bufsize", "1835008"); //224*1024*8;
4377 opt_default("flags", "+scan_offset");
4380 opt_default("b:a", "224000");
4381 parse_option(o, "ar", "44100", options);
4383 opt_default("packetsize", "2324");
4385 } else if(!strcmp(arg, "dvd")) {
4387 opt_video_codec(o, "c:v", "mpeg2video");
4388 opt_audio_codec(o, "c:a", "ac3");
4389 parse_option(o, "f", "dvd", options);
4391 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4392 parse_option(o, "r", frame_rates[norm], options);
4393 parse_option(o, "pix_fmt", "yuv420p", options);
4394 opt_default("g", norm == PAL ? "15" : "18");
4396 opt_default("b", "6000000");
4397 opt_default("maxrate", "9000000");
4398 opt_default("minrate", "0"); //1500000;
4399 opt_default("bufsize", "1835008"); //224*1024*8;
4401 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4402 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4404 opt_default("b:a", "448000");
4405 parse_option(o, "ar", "48000", options);
4407 } else if(!strncmp(arg, "dv", 2)) {
4409 parse_option(o, "f", "dv", options);
4411 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4412 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4413 norm == PAL ? "yuv420p" : "yuv411p", options);
4414 parse_option(o, "r", frame_rates[norm], options);
4416 parse_option(o, "ar", "48000", options);
4417 parse_option(o, "ac", "2", options);
4420 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4421 return AVERROR(EINVAL);
4426 static int opt_vstats_file(const char *opt, const char *arg)
4428 av_free (vstats_filename);
4429 vstats_filename=av_strdup (arg);
4433 static int opt_vstats(const char *opt, const char *arg)
4436 time_t today2 = time(NULL);
4437 struct tm *today = localtime(&today2);
4439 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4441 return opt_vstats_file(opt, filename);
4444 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4446 return parse_option(o, "frames:v", arg, options);
4449 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4451 return parse_option(o, "frames:a", arg, options);
4454 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4456 return parse_option(o, "frames:d", arg, options);
4459 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4462 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4463 const char *codec_name = *opt == 'v' ? video_codec_name :
4464 *opt == 'a' ? audio_codec_name :
4465 subtitle_codec_name;
4467 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4468 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4469 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4471 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4476 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4477 if(line[0] == '#' && !e)
4479 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4481 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4484 if(!strcmp(tmp, "acodec")){
4485 opt_audio_codec(o, tmp, tmp2);
4486 }else if(!strcmp(tmp, "vcodec")){
4487 opt_video_codec(o, tmp, tmp2);
4488 }else if(!strcmp(tmp, "scodec")){
4489 opt_subtitle_codec(o, tmp, tmp2);
4490 }else if(!strcmp(tmp, "dcodec")){
4491 opt_data_codec(o, tmp, tmp2);
4492 }else if(opt_default(tmp, tmp2) < 0){
4493 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4503 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4507 static int opt_passlogfile(const char *opt, const char *arg)
4509 pass_logfilename_prefix = arg;
4510 #if CONFIG_LIBX264_ENCODER
4511 return opt_default("passlogfile", arg);
4517 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4519 char *s= av_malloc(strlen(opt)+2);
4520 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4521 return parse_option(o, s, arg, options);
4524 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4526 if(!strcmp(opt, "b")){
4527 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4528 return parse_option(o, av_strdup("b:v"), arg, options);
4530 return opt_default(opt, arg);
4533 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4535 return parse_option(o, "filter:v", arg, options);
4538 #define OFFSET(x) offsetof(OptionsContext, x)
4539 static const OptionDef options[] = {
4541 #include "cmdutils_common_opts.h"
4542 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4543 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4544 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4545 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4546 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4547 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4548 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4549 { "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]" },
4550 { "map_meta_data", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4551 "outfile[,metadata]:infile[,metadata]" },
4552 { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4553 "outfile[,metadata]:infile[,metadata]" },
4554 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4555 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4556 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4557 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4558 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4559 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4560 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4561 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4562 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4563 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4564 "add timings for benchmarking" },
4565 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4566 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4567 "dump each input packet" },
4568 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4569 "when dumping packets, also dump the payload" },
4570 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4571 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4572 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4573 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4574 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4575 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4576 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4577 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4578 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4579 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4580 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4581 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4582 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4583 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4584 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4585 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4586 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4588 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4590 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4591 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4592 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4595 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4596 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4597 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4598 { "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" },
4599 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4600 { "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" },
4601 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4602 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4603 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4604 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4605 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4606 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4607 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4608 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4609 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4610 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4611 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4612 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4613 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4614 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4615 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4616 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4617 "use same quantizer as source (implies VBR)" },
4618 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4619 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4620 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4621 "deinterlace pictures" },
4622 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4623 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4625 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4627 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4628 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4629 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4630 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4631 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4632 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4633 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4634 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4635 { "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" },
4636 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4639 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4640 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4641 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4642 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4643 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4644 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4645 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4646 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4647 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4648 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4650 /* subtitle options */
4651 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4652 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4653 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4656 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4657 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4658 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4661 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4662 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4664 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4665 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4666 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4668 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4669 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4670 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4671 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4672 /* data codec support */
4673 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4675 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4679 int main(int argc, char **argv)
4681 OptionsContext o = { 0 };
4684 reset_options(&o, 0);
4686 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4687 parse_loglevel(argc, argv, options);
4689 if(argc>1 && !strcmp(argv[1], "-d")){
4691 av_log_set_callback(log_callback_null);
4696 avcodec_register_all();
4698 avdevice_register_all();
4701 avfilter_register_all();
4706 if(isatty(STDIN_FILENO))
4707 avio_set_interrupt_cb(decode_interrupt_cb);
4715 parse_options(&o, argc, argv, options, opt_output_file);
4717 if(nb_output_files <= 0 && nb_input_files == 0) {
4719 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4723 /* file converter / grab */
4724 if (nb_output_files <= 0) {
4725 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4729 if (nb_input_files == 0) {
4730 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4735 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4737 ti = getutime() - ti;
4739 int maxrss = getmaxrss() / 1024;
4740 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);