3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; 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/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
48 # include "libavfilter/avfilter.h"
49 # include "libavfilter/avfiltergraph.h"
50 # include "libavfilter/vsrc_buffer.h"
53 #if HAVE_SYS_RESOURCE_H
54 #include <sys/types.h>
56 #include <sys/resource.h>
57 #elif HAVE_GETPROCESSTIMES
60 #if HAVE_GETPROCESSMEMORYINFO
66 #include <sys/select.h>
73 #include "libavutil/avassert.h"
75 const char program_name[] = "ffmpeg";
76 const int program_birth_year = 2000;
78 /* select an input stream for an output stream */
79 typedef struct AVStreamMap {
83 int sync_stream_index;
87 * select an input file for an output file
89 typedef struct AVMetaDataMap {
90 int file; //< file index
91 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
92 int index; //< stream/chapter/program number
95 typedef struct AVChapterMap {
100 static const OptionDef options[];
102 #define MAX_FILES 100
103 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
105 #define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
107 static const char *last_asked_format = NULL;
108 static AVFormatContext *input_files[MAX_FILES];
109 static int64_t input_files_ts_offset[MAX_FILES];
110 static double *input_files_ts_scale[MAX_FILES] = {NULL};
111 static AVCodec **input_codecs = NULL;
112 static int nb_input_files = 0;
113 static int nb_input_codecs = 0;
114 static int nb_input_files_ts_scale[MAX_FILES] = {0};
116 static AVFormatContext *output_files[MAX_FILES];
117 static AVCodec **output_codecs = NULL;
118 static int nb_output_files = 0;
119 static int nb_output_codecs = 0;
121 static AVStreamMap *stream_maps = NULL;
122 static int nb_stream_maps;
124 /* first item specifies output metadata, second is input */
125 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
126 static int nb_meta_data_maps;
127 static int metadata_global_autocopy = 1;
128 static int metadata_streams_autocopy = 1;
129 static int metadata_chapters_autocopy = 1;
131 static AVChapterMap *chapter_maps = NULL;
132 static int nb_chapter_maps;
134 /* indexed by output file stream index */
135 static int *streamid_map = NULL;
136 static int nb_streamid_map = 0;
138 static int frame_width = 0;
139 static int frame_height = 0;
140 static float frame_aspect_ratio = 0;
141 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
142 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
143 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
144 static AVRational frame_rate;
145 static float video_qscale = 0;
146 static uint16_t *intra_matrix = NULL;
147 static uint16_t *inter_matrix = NULL;
148 static const char *video_rc_override_string=NULL;
149 static int video_disable = 0;
150 static int video_discard = 0;
151 static char *video_codec_name = NULL;
152 static unsigned int video_codec_tag = 0;
153 static char *video_language = NULL;
154 static int same_quality = 0;
155 static int do_deinterlace = 0;
156 static int top_field_first = -1;
157 static int me_threshold = 0;
158 static int intra_dc_precision = 8;
159 static int loop_input = 0;
160 static int loop_output = AVFMT_NOOUTPUTLOOP;
161 static int qp_hist = 0;
163 static char *vfilters = NULL;
166 static int intra_only = 0;
167 static int audio_sample_rate = 44100;
168 static int64_t channel_layout = 0;
169 #define QSCALE_NONE -99999
170 static float audio_qscale = QSCALE_NONE;
171 static int audio_disable = 0;
172 static int audio_channels = 1;
173 static char *audio_codec_name = NULL;
174 static unsigned int audio_codec_tag = 0;
175 static char *audio_language = NULL;
177 static int subtitle_disable = 0;
178 static char *subtitle_codec_name = NULL;
179 static char *subtitle_language = NULL;
180 static unsigned int subtitle_codec_tag = 0;
182 static int data_disable = 0;
183 static char *data_codec_name = NULL;
184 static unsigned int data_codec_tag = 0;
186 static float mux_preload= 0.5;
187 static float mux_max_delay= 0.7;
189 static int64_t recording_time = INT64_MAX;
190 static int64_t start_time = 0;
191 static int64_t recording_timestamp = 0;
192 static int64_t input_ts_offset = 0;
193 static int file_overwrite = 0;
194 static AVMetadata *metadata;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_pass = 0;
200 static char *pass_logfilename_prefix = NULL;
201 static int audio_stream_copy = 0;
202 static int video_stream_copy = 0;
203 static int subtitle_stream_copy = 0;
204 static int data_stream_copy = 0;
205 static int video_sync_method= -1;
206 static int audio_sync_method= 0;
207 static float audio_drift_threshold= 0.1;
208 static int copy_ts= 0;
210 static int opt_shortest = 0;
211 static int video_global_header = 0;
212 static char *vstats_filename;
213 static FILE *vstats_file;
214 static int opt_programid = 0;
215 static int copy_initial_nonkeyframes = 0;
217 static int rate_emu = 0;
219 static int video_channel = 0;
220 static char *video_standard;
222 static int audio_volume = 256;
224 static int exit_on_error = 0;
225 static int using_stdin = 0;
226 static int verbose = 1;
227 static int thread_count= 1;
228 static int64_t video_size = 0;
229 static int64_t audio_size = 0;
230 static int64_t extra_size = 0;
231 static int nb_frames_dup = 0;
232 static int nb_frames_drop = 0;
233 static int input_sync;
234 static uint64_t limit_filesize = 0;
235 static int force_fps = 0;
236 static char *forced_key_frames = NULL;
238 static float dts_delta_threshold = 10;
240 static int64_t timer_start;
242 static uint8_t *audio_buf;
243 static uint8_t *audio_out;
244 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
246 static short *samples;
248 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
249 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
250 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
252 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
254 struct AVInputStream;
256 typedef struct AVOutputStream {
257 int file_index; /* file index */
258 int index; /* stream index in the output file */
259 int source_index; /* AVInputStream index */
260 AVStream *st; /* stream in the output file */
261 int encoding_needed; /* true if encoding needed for this stream */
263 /* input pts and corresponding output pts
265 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
266 struct AVInputStream *sync_ist; /* input stream to sync against */
267 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
268 AVBitStreamFilterContext *bitstream_filters;
271 AVFrame pict_tmp; /* temporary image for resampling */
272 struct SwsContext *img_resample_ctx; /* for image resampling */
275 int resample_pix_fmt;
277 float frame_aspect_ratio;
279 /* forced key frames */
280 int64_t *forced_kf_pts;
286 ReSampleContext *resample; /* for audio resampling */
287 int resample_sample_fmt;
288 int resample_channels;
289 int resample_sample_rate;
291 AVAudioConvert *reformat_ctx;
292 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
296 AVFilterContext *output_video_filter;
297 AVFilterContext *input_video_filter;
298 AVFilterBufferRef *picref;
300 AVFilterGraph *graph;
306 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
307 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
309 typedef struct AVInputStream {
313 int discard; /* true if stream data should be discarded */
314 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
315 int64_t sample_index; /* current sample */
317 int64_t start; /* time when read started */
318 int64_t next_pts; /* synthetic pts for cases where pkt.pts
320 int64_t pts; /* current pts */
321 PtsCorrectionContext pts_ctx;
322 int is_start; /* is 1 at the start and after a discontinuity */
323 int showed_multi_packet_warning;
324 int is_past_recording_time;
326 AVFrame *filter_frame;
327 int has_filter_frame;
331 typedef struct AVInputFile {
332 int eof_reached; /* true if eof reached */
333 int ist_index; /* index of first stream in ist_table */
334 int buffer_size; /* current total buffer size */
335 int nb_streams; /* nb streams we are aware of */
340 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
342 AVFilterContext *last_filter, *filter;
343 /** filter graph containing all filters including input & output */
344 AVCodecContext *codec = ost->st->codec;
345 AVCodecContext *icodec = ist->st->codec;
346 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
347 AVRational sample_aspect_ratio;
351 ost->graph = avfilter_graph_alloc();
353 if (ist->st->sample_aspect_ratio.num){
354 sample_aspect_ratio = ist->st->sample_aspect_ratio;
356 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
358 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
359 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
360 sample_aspect_ratio.num, sample_aspect_ratio.den);
362 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
363 "src", args, NULL, ost->graph);
366 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
367 "out", NULL, &ffsink_ctx, ost->graph);
370 last_filter = ost->input_video_filter;
372 if (codec->width != icodec->width || codec->height != icodec->height) {
373 snprintf(args, 255, "%d:%d:flags=0x%X",
377 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
378 NULL, args, NULL, ost->graph)) < 0)
380 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
382 last_filter = filter;
385 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
386 ost->graph->scale_sws_opts = av_strdup(args);
389 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
390 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
392 outputs->name = av_strdup("in");
393 outputs->filter_ctx = last_filter;
394 outputs->pad_idx = 0;
395 outputs->next = NULL;
397 inputs->name = av_strdup("out");
398 inputs->filter_ctx = ost->output_video_filter;
402 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
404 av_freep(&ost->avfilter);
406 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
410 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
413 codec->width = ost->output_video_filter->inputs[0]->w;
414 codec->height = ost->output_video_filter->inputs[0]->h;
415 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
416 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
417 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
418 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
422 #endif /* CONFIG_AVFILTER */
424 static void term_exit(void)
426 av_log(NULL, AV_LOG_QUIET, "");
429 static volatile int received_sigterm = 0;
432 sigterm_handler(int sig)
434 received_sigterm = sig;
438 static void term_init(void)
440 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
441 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
443 signal(SIGXCPU, sigterm_handler);
447 static int decode_interrupt_cb(void)
449 return received_sigterm;
452 static int ffmpeg_exit(int ret)
457 for(i=0;i<nb_output_files;i++) {
458 AVFormatContext *s = output_files[i];
459 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
461 avformat_free_context(s);
462 av_free(output_streams_for_file[i]);
464 for(i=0;i<nb_input_files;i++) {
465 av_close_input_file(input_files[i]);
466 av_free(input_files_ts_scale[i]);
469 av_free(intra_matrix);
470 av_free(inter_matrix);
474 av_free(vstats_filename);
476 av_free(streamid_map);
477 av_free(input_codecs);
478 av_free(output_codecs);
479 av_free(stream_maps);
480 av_free(meta_data_maps);
482 av_free(video_codec_name);
483 av_free(audio_codec_name);
484 av_free(subtitle_codec_name);
485 av_free(data_codec_name);
487 av_free(video_standard);
492 allocated_audio_buf_size= allocated_audio_out_size= 0;
499 if (received_sigterm) {
501 "Received signal %d: terminating.\n",
502 (int) received_sigterm);
506 exit(ret); /* not all OS-es handle main() return value */
510 /* similar to ff_dynarray_add() and av_fast_realloc() */
511 static void *grow_array(void *array, int elem_size, int *size, int new_size)
513 if (new_size >= INT_MAX / elem_size) {
514 fprintf(stderr, "Array too big.\n");
517 if (*size < new_size) {
518 uint8_t *tmp = av_realloc(array, new_size*elem_size);
520 fprintf(stderr, "Could not alloc buffer.\n");
523 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
530 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
532 if(codec && codec->sample_fmts){
533 const enum AVSampleFormat *p= codec->sample_fmts;
535 if(*p == st->codec->sample_fmt)
539 av_log(NULL, AV_LOG_WARNING,
540 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
541 av_get_sample_fmt_name(st->codec->sample_fmt),
543 av_get_sample_fmt_name(codec->sample_fmts[0]));
544 st->codec->sample_fmt = codec->sample_fmts[0];
550 * Update the requested input sample format based on the output sample format.
551 * This is currently only used to request float output from decoders which
552 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
553 * Ideally this will be removed in the future when decoders do not do format
554 * conversion and only output in their native format.
556 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
559 /* if sample formats match or a decoder sample format has already been
560 requested, just return */
561 if (enc->sample_fmt == dec->sample_fmt ||
562 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
565 /* if decoder supports more than one output format */
566 if (dec_codec && dec_codec->sample_fmts &&
567 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
568 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
569 enum AVSampleFormat *p;
570 int min_dec = -1, min_inc = -1;
572 /* find a matching sample format in the encoder */
573 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
574 if (*p == enc->sample_fmt) {
575 dec->request_sample_fmt = *p;
577 } else if (*p > enc->sample_fmt) {
578 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
580 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
583 /* if none match, provide the one that matches quality closest */
584 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
585 enc->sample_fmt - min_dec;
589 static void choose_sample_rate(AVStream *st, AVCodec *codec)
591 if(codec && codec->supported_samplerates){
592 const int *p= codec->supported_samplerates;
594 int best_dist=INT_MAX;
596 int dist= abs(st->codec->sample_rate - *p);
597 if(dist < best_dist){
603 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
605 st->codec->sample_rate= best;
609 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
611 if(codec && codec->pix_fmts){
612 const enum PixelFormat *p= codec->pix_fmts;
613 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
614 if(st->codec->codec_id==CODEC_ID_MJPEG){
615 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
616 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
617 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};
621 if(*p == st->codec->pix_fmt)
625 if(st->codec->pix_fmt != PIX_FMT_NONE)
626 av_log(NULL, AV_LOG_WARNING,
627 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
628 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
630 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
631 st->codec->pix_fmt = codec->pix_fmts[0];
636 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
638 int idx = oc->nb_streams - 1;
641 output_streams_for_file[file_idx] =
642 grow_array(output_streams_for_file[file_idx],
643 sizeof(*output_streams_for_file[file_idx]),
644 &nb_output_streams_for_file[file_idx],
646 ost = output_streams_for_file[file_idx][idx] =
647 av_mallocz(sizeof(AVOutputStream));
649 fprintf(stderr, "Could not alloc output stream\n");
652 ost->file_index = file_idx;
655 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
659 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
665 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
668 /* copy stream format */
670 for(i=0;i<ic->nb_streams;i++) {
676 // FIXME: a more elegant solution is needed
677 st = av_mallocz(sizeof(AVStream));
678 memcpy(st, ic->streams[i], sizeof(AVStream));
679 st->codec = avcodec_alloc_context();
681 print_error(filename, AVERROR(ENOMEM));
684 avcodec_copy_context(st->codec, ic->streams[i]->codec);
687 codec = avcodec_find_encoder(st->codec->codec_id);
688 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
689 if (audio_stream_copy) {
692 choose_sample_fmt(st, codec);
693 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
694 if (video_stream_copy) {
697 choose_pixel_fmt(st, codec);
700 if(st->codec->flags & CODEC_FLAG_BITEXACT)
703 new_output_stream(s, nb_output_files);
707 s->timestamp = av_gettime();
709 av_close_input_file(ic);
714 get_sync_ipts(const AVOutputStream *ost)
716 const AVInputStream *ist = ost->sync_ist;
717 return (double)(ist->pts - start_time)/AV_TIME_BASE;
720 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
724 AVPacket new_pkt= *pkt;
725 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
726 &new_pkt.data, &new_pkt.size,
727 pkt->data, pkt->size,
728 pkt->flags & AV_PKT_FLAG_KEY);
731 new_pkt.destruct= av_destruct_packet;
733 fprintf(stderr, "%s failed for stream %d, codec %s",
734 bsfc->filter->name, pkt->stream_index,
735 avctx->codec ? avctx->codec->name : "copy");
745 ret= av_interleaved_write_frame(s, pkt);
747 print_error("av_interleaved_write_frame()", ret);
752 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
754 static void do_audio_out(AVFormatContext *s,
757 unsigned char *buf, int size)
760 int64_t audio_out_size, audio_buf_size;
761 int64_t allocated_for_size= size;
763 int size_out, frame_bytes, ret, resample_changed;
764 AVCodecContext *enc= ost->st->codec;
765 AVCodecContext *dec= ist->st->codec;
766 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
767 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
768 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
771 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
772 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
773 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
774 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
775 audio_buf_size*= osize*enc->channels;
777 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
778 if(coded_bps > 8*osize)
779 audio_out_size= audio_out_size * coded_bps / (8*osize);
780 audio_out_size += FF_MIN_BUFFER_SIZE;
782 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
783 fprintf(stderr, "Buffer sizes too large\n");
787 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
788 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
789 if (!audio_buf || !audio_out){
790 fprintf(stderr, "Out of memory in do_audio_out\n");
794 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
795 ost->audio_resample = 1;
797 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
798 ost->resample_channels != dec->channels ||
799 ost->resample_sample_rate != dec->sample_rate;
801 if ((ost->audio_resample && !ost->resample) || resample_changed) {
802 if (resample_changed) {
803 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",
804 ist->file_index, ist->index,
805 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
806 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
807 ost->resample_sample_fmt = dec->sample_fmt;
808 ost->resample_channels = dec->channels;
809 ost->resample_sample_rate = dec->sample_rate;
811 audio_resample_close(ost->resample);
813 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
814 if (audio_sync_method <= 1 &&
815 ost->resample_sample_fmt == enc->sample_fmt &&
816 ost->resample_channels == enc->channels &&
817 ost->resample_sample_rate == enc->sample_rate) {
818 ost->resample = NULL;
819 ost->audio_resample = 0;
820 } else if (ost->audio_resample) {
821 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
822 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
823 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
824 enc->sample_rate, dec->sample_rate,
825 enc->sample_fmt, dec->sample_fmt,
827 if (!ost->resample) {
828 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
829 dec->channels, dec->sample_rate,
830 enc->channels, enc->sample_rate);
836 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
837 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
838 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
839 if (ost->reformat_ctx)
840 av_audio_convert_free(ost->reformat_ctx);
841 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
842 dec->sample_fmt, 1, NULL, 0);
843 if (!ost->reformat_ctx) {
844 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
845 av_get_sample_fmt_name(dec->sample_fmt),
846 av_get_sample_fmt_name(enc->sample_fmt));
849 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
852 if(audio_sync_method){
853 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
854 - av_fifo_size(ost->fifo)/(enc->channels * 2);
855 double idelta= delta*dec->sample_rate / enc->sample_rate;
856 int byte_delta= ((int)idelta)*2*dec->channels;
858 //FIXME resample delay
859 if(fabs(delta) > 50){
860 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
862 byte_delta= FFMAX(byte_delta, -size);
866 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
871 static uint8_t *input_tmp= NULL;
872 input_tmp= av_realloc(input_tmp, byte_delta + size);
874 if(byte_delta > allocated_for_size - size){
875 allocated_for_size= byte_delta + (int64_t)size;
880 memset(input_tmp, 0, byte_delta);
881 memcpy(input_tmp + byte_delta, buf, size);
885 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
887 }else if(audio_sync_method>1){
888 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
889 av_assert0(ost->audio_resample);
891 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
892 // 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));
893 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
897 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
898 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
900 if (ost->audio_resample) {
902 size_out = audio_resample(ost->resample,
903 (short *)buftmp, (short *)buf,
904 size / (dec->channels * isize));
905 size_out = size_out * enc->channels * osize;
911 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
912 const void *ibuf[6]= {buftmp};
913 void *obuf[6]= {audio_buf};
914 int istride[6]= {isize};
915 int ostride[6]= {osize};
916 int len= size_out/istride[0];
917 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
918 printf("av_audio_convert() failed\n");
924 size_out = len*osize;
927 /* now encode as many frames as possible */
928 if (enc->frame_size > 1) {
929 /* output resampled raw samples */
930 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
931 fprintf(stderr, "av_fifo_realloc2() failed\n");
934 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
936 frame_bytes = enc->frame_size * osize * enc->channels;
938 while (av_fifo_size(ost->fifo) >= frame_bytes) {
940 av_init_packet(&pkt);
942 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
944 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
946 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
949 fprintf(stderr, "Audio encoding failed\n");
953 pkt.stream_index= ost->index;
956 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
957 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
958 pkt.flags |= AV_PKT_FLAG_KEY;
959 write_frame(s, &pkt, enc, ost->bitstream_filters);
961 ost->sync_opts += enc->frame_size;
965 av_init_packet(&pkt);
967 ost->sync_opts += size_out / (osize * enc->channels);
969 /* output a pcm frame */
970 /* determine the size of the coded buffer */
973 size_out = size_out*coded_bps/8;
975 if(size_out > audio_out_size){
976 fprintf(stderr, "Internal error, buffer size too small\n");
980 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
981 ret = avcodec_encode_audio(enc, audio_out, size_out,
984 fprintf(stderr, "Audio encoding failed\n");
988 pkt.stream_index= ost->index;
991 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
992 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
993 pkt.flags |= AV_PKT_FLAG_KEY;
994 write_frame(s, &pkt, enc, ost->bitstream_filters);
998 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1000 AVCodecContext *dec;
1001 AVPicture *picture2;
1002 AVPicture picture_tmp;
1005 dec = ist->st->codec;
1007 /* deinterlace : must be done before any resize */
1008 if (do_deinterlace) {
1011 /* create temporary picture */
1012 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1013 buf = av_malloc(size);
1017 picture2 = &picture_tmp;
1018 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1020 if(avpicture_deinterlace(picture2, picture,
1021 dec->pix_fmt, dec->width, dec->height) < 0) {
1022 /* if error, do not deinterlace */
1023 fprintf(stderr, "Deinterlacing failed\n");
1032 if (picture != picture2)
1033 *picture = *picture2;
1037 /* we begin to correct av delay at this threshold */
1038 #define AV_DELAY_MAX 0.100
1040 static void do_subtitle_out(AVFormatContext *s,
1041 AVOutputStream *ost,
1046 static uint8_t *subtitle_out = NULL;
1047 int subtitle_out_max_size = 1024 * 1024;
1048 int subtitle_out_size, nb, i;
1049 AVCodecContext *enc;
1052 if (pts == AV_NOPTS_VALUE) {
1053 fprintf(stderr, "Subtitle packets must have a pts\n");
1059 enc = ost->st->codec;
1061 if (!subtitle_out) {
1062 subtitle_out = av_malloc(subtitle_out_max_size);
1065 /* Note: DVB subtitle need one packet to draw them and one other
1066 packet to clear them */
1067 /* XXX: signal it in the codec context ? */
1068 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1073 for(i = 0; i < nb; i++) {
1074 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1075 // start_display_time is required to be 0
1076 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1077 sub->end_display_time -= sub->start_display_time;
1078 sub->start_display_time = 0;
1079 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1080 subtitle_out_max_size, sub);
1081 if (subtitle_out_size < 0) {
1082 fprintf(stderr, "Subtitle encoding failed\n");
1086 av_init_packet(&pkt);
1087 pkt.stream_index = ost->index;
1088 pkt.data = subtitle_out;
1089 pkt.size = subtitle_out_size;
1090 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1091 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1092 /* XXX: the pts correction is handled here. Maybe handling
1093 it in the codec would be better */
1095 pkt.pts += 90 * sub->start_display_time;
1097 pkt.pts += 90 * sub->end_display_time;
1099 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1103 static int bit_buffer_size= 1024*256;
1104 static uint8_t *bit_buffer= NULL;
1106 static void do_video_out(AVFormatContext *s,
1107 AVOutputStream *ost,
1109 AVFrame *in_picture,
1112 int nb_frames, i, ret, resample_changed;
1113 AVFrame *final_picture, *formatted_picture, *resampling_dst;
1114 AVCodecContext *enc, *dec;
1117 enc = ost->st->codec;
1118 dec = ist->st->codec;
1120 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1122 /* by default, we output a single frame */
1127 if(video_sync_method){
1128 double vdelta = sync_ipts - ost->sync_opts;
1129 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1132 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1135 }else if(vdelta>0.6)
1136 ost->sync_opts= lrintf(sync_ipts);
1137 }else if (vdelta > 1.1)
1138 nb_frames = lrintf(vdelta);
1139 //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);
1140 if (nb_frames == 0){
1143 fprintf(stderr, "*** drop!\n");
1144 }else if (nb_frames > 1) {
1145 nb_frames_dup += nb_frames - 1;
1147 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1150 ost->sync_opts= lrintf(sync_ipts);
1152 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1156 formatted_picture = in_picture;
1157 final_picture = formatted_picture;
1158 resampling_dst = &ost->pict_tmp;
1160 resample_changed = ost->resample_width != dec->width ||
1161 ost->resample_height != dec->height ||
1162 ost->resample_pix_fmt != dec->pix_fmt;
1164 if (resample_changed) {
1165 av_log(NULL, AV_LOG_INFO,
1166 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1167 ist->file_index, ist->index,
1168 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1169 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1170 if(!ost->video_resample)
1174 #if !CONFIG_AVFILTER
1175 if (ost->video_resample) {
1176 final_picture = &ost->pict_tmp;
1177 if (resample_changed) {
1178 /* initialize a new scaler context */
1179 sws_freeContext(ost->img_resample_ctx);
1180 ost->img_resample_ctx = sws_getContext(
1181 ist->st->codec->width,
1182 ist->st->codec->height,
1183 ist->st->codec->pix_fmt,
1184 ost->st->codec->width,
1185 ost->st->codec->height,
1186 ost->st->codec->pix_fmt,
1187 ost->sws_flags, NULL, NULL, NULL);
1188 if (ost->img_resample_ctx == NULL) {
1189 fprintf(stderr, "Cannot get resampling context\n");
1193 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1194 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1198 /* duplicates frame if needed */
1199 for(i=0;i<nb_frames;i++) {
1201 av_init_packet(&pkt);
1202 pkt.stream_index= ost->index;
1204 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1205 /* raw pictures are written as AVPicture structure to
1206 avoid any copies. We support temorarily the older
1208 AVFrame* old_frame = enc->coded_frame;
1209 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1210 pkt.data= (uint8_t *)final_picture;
1211 pkt.size= sizeof(AVPicture);
1212 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1213 pkt.flags |= AV_PKT_FLAG_KEY;
1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 enc->coded_frame = old_frame;
1218 AVFrame big_picture;
1220 big_picture= *final_picture;
1221 /* better than nothing: use input picture interlaced
1223 big_picture.interlaced_frame = in_picture->interlaced_frame;
1224 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1225 if(top_field_first == -1)
1226 big_picture.top_field_first = in_picture->top_field_first;
1228 big_picture.top_field_first = top_field_first;
1231 /* handles sameq here. This is not correct because it may
1232 not be a global option */
1233 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1235 big_picture.pict_type = 0;
1236 // big_picture.pts = AV_NOPTS_VALUE;
1237 big_picture.pts= ost->sync_opts;
1238 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1239 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1240 if (ost->forced_kf_index < ost->forced_kf_count &&
1241 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1242 big_picture.pict_type = AV_PICTURE_TYPE_I;
1243 ost->forced_kf_index++;
1245 ret = avcodec_encode_video(enc,
1246 bit_buffer, bit_buffer_size,
1249 fprintf(stderr, "Video encoding failed\n");
1254 pkt.data= bit_buffer;
1256 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1257 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1258 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1259 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1260 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1262 if(enc->coded_frame->key_frame)
1263 pkt.flags |= AV_PKT_FLAG_KEY;
1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1267 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1268 // enc->frame_number-1, ret, enc->pict_type);
1269 /* if two pass, output log */
1270 if (ost->logfile && enc->stats_out) {
1271 fprintf(ost->logfile, "%s", enc->stats_out);
1276 ost->frame_number++;
1280 static double psnr(double d){
1281 return -10.0*log(d)/log(10.0);
1284 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1287 AVCodecContext *enc;
1289 double ti1, bitrate, avg_bitrate;
1291 /* this is executed just the first time do_video_stats is called */
1293 vstats_file = fopen(vstats_filename, "w");
1300 enc = ost->st->codec;
1301 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1302 frame_number = ost->frame_number;
1303 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1304 if (enc->flags&CODEC_FLAG_PSNR)
1305 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1307 fprintf(vstats_file,"f_size= %6d ", frame_size);
1308 /* compute pts value */
1309 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1313 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1314 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1315 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1316 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1317 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1321 static void print_report(AVFormatContext **output_files,
1322 AVOutputStream **ost_table, int nb_ostreams,
1326 AVOutputStream *ost;
1327 AVFormatContext *oc;
1329 AVCodecContext *enc;
1330 int frame_number, vid, i;
1331 double bitrate, ti1, pts;
1332 static int64_t last_time = -1;
1333 static int qp_histogram[52];
1335 if (!is_last_report) {
1337 /* display the report every 0.5 seconds */
1338 cur_time = av_gettime();
1339 if (last_time == -1) {
1340 last_time = cur_time;
1343 if ((cur_time - last_time) < 500000)
1345 last_time = cur_time;
1349 oc = output_files[0];
1351 total_size = avio_size(oc->pb);
1352 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1353 total_size= avio_tell(oc->pb);
1358 for(i=0;i<nb_ostreams;i++) {
1361 enc = ost->st->codec;
1362 if (!ost->st->stream_copy && enc->coded_frame)
1363 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1364 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1367 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1368 float t = (av_gettime()-timer_start) / 1000000.0;
1370 frame_number = ost->frame_number;
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1372 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1378 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1383 if (enc->flags&CODEC_FLAG_PSNR){
1385 double error, error_sum=0;
1386 double scale, scale_sum=0;
1387 char type[3]= {'Y','U','V'};
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1391 error= enc->error[j];
1392 scale= enc->width*enc->height*255.0*255.0*frame_number;
1394 error= enc->coded_frame->error[j];
1395 scale= enc->width*enc->height*255.0*255.0;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1406 /* compute min output value */
1407 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1408 if ((pts < ti1) && (pts > 0))
1414 if (verbose > 0 || is_last_report) {
1415 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1418 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1419 (double)total_size / 1024, ti1, bitrate);
1421 if (nb_frames_dup || nb_frames_drop)
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1423 nb_frames_dup, nb_frames_drop);
1426 fprintf(stderr, "%s \r", buf);
1431 if (is_last_report && verbose >= 0){
1432 int64_t raw= audio_size + video_size + extra_size;
1433 fprintf(stderr, "\n");
1434 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1438 100.0*(total_size - raw)/raw
1443 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1445 int fill_char = 0x00;
1446 if (sample_fmt == AV_SAMPLE_FMT_U8)
1448 memset(buf, fill_char, size);
1451 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1452 static int output_packet(AVInputStream *ist, int ist_index,
1453 AVOutputStream **ost_table, int nb_ostreams,
1454 const AVPacket *pkt)
1456 AVFormatContext *os;
1457 AVOutputStream *ost;
1461 void *buffer_to_free = NULL;
1462 static unsigned int samples_size= 0;
1463 AVSubtitle subtitle, *subtitle_to_free;
1464 int64_t pkt_pts = AV_NOPTS_VALUE;
1466 int frame_available;
1470 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1472 if(ist->next_pts == AV_NOPTS_VALUE)
1473 ist->next_pts= ist->pts;
1477 av_init_packet(&avpkt);
1485 if(pkt->dts != AV_NOPTS_VALUE)
1486 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1487 if(pkt->pts != AV_NOPTS_VALUE)
1488 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1490 //while we have more to decode or while the decoder did output something on EOF
1491 while (avpkt.size > 0 || (!pkt && got_output)) {
1492 uint8_t *data_buf, *decoded_data_buf;
1493 int data_size, decoded_data_size;
1495 ist->pts= ist->next_pts;
1497 if(avpkt.size && avpkt.size != pkt->size &&
1498 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1499 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1500 ist->showed_multi_packet_warning=1;
1503 /* decode the packet if needed */
1504 decoded_data_buf = NULL; /* fail safe */
1505 decoded_data_size= 0;
1506 data_buf = avpkt.data;
1507 data_size = avpkt.size;
1508 subtitle_to_free = NULL;
1509 if (ist->decoding_needed) {
1510 switch(ist->st->codec->codec_type) {
1511 case AVMEDIA_TYPE_AUDIO:{
1512 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1513 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1515 samples= av_malloc(samples_size);
1517 decoded_data_size= samples_size;
1518 /* XXX: could avoid copy if PCM 16 bits with same
1519 endianness as CPU */
1520 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1527 got_output = decoded_data_size > 0;
1528 /* Some bug in mpeg audio decoder gives */
1529 /* decoded_data_size < 0, it seems they are overflows */
1531 /* no audio frame */
1534 decoded_data_buf = (uint8_t *)samples;
1535 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1536 (ist->st->codec->sample_rate * ist->st->codec->channels);
1538 case AVMEDIA_TYPE_VIDEO:
1539 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1540 /* XXX: allocate picture correctly */
1541 avcodec_get_frame_defaults(&picture);
1542 avpkt.pts = pkt_pts;
1543 avpkt.dts = ist->pts;
1544 pkt_pts = AV_NOPTS_VALUE;
1546 ret = avcodec_decode_video2(ist->st->codec,
1547 &picture, &got_output, &avpkt);
1548 ist->st->quality= picture.quality;
1552 /* no picture yet */
1553 goto discard_packet;
1555 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1556 if (ist->st->codec->time_base.num != 0) {
1557 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1558 ist->next_pts += ((int64_t)AV_TIME_BASE *
1559 ist->st->codec->time_base.num * ticks) /
1560 ist->st->codec->time_base.den;
1563 buffer_to_free = NULL;
1564 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1566 case AVMEDIA_TYPE_SUBTITLE:
1567 ret = avcodec_decode_subtitle2(ist->st->codec,
1568 &subtitle, &got_output, &avpkt);
1572 goto discard_packet;
1574 subtitle_to_free = &subtitle;
1581 switch(ist->st->codec->codec_type) {
1582 case AVMEDIA_TYPE_AUDIO:
1583 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1584 ist->st->codec->sample_rate;
1586 case AVMEDIA_TYPE_VIDEO:
1587 if (ist->st->codec->time_base.num != 0) {
1588 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1589 ist->next_pts += ((int64_t)AV_TIME_BASE *
1590 ist->st->codec->time_base.num * ticks) /
1591 ist->st->codec->time_base.den;
1600 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1601 for (i = 0; i < nb_ostreams; i++) {
1603 if (ost->input_video_filter && ost->source_index == ist_index) {
1605 if (ist->st->sample_aspect_ratio.num)
1606 sar = ist->st->sample_aspect_ratio;
1608 sar = ist->st->codec->sample_aspect_ratio;
1609 // add it to be filtered
1610 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1618 // preprocess audio (volume)
1619 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1620 if (audio_volume != 256) {
1623 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1624 int v = ((*volp) * audio_volume + 128) >> 8;
1625 if (v < -32768) v = -32768;
1626 if (v > 32767) v = 32767;
1632 /* frame rate emulation */
1634 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1635 int64_t now = av_gettime() - ist->start;
1639 /* if output time reached then transcode raw format,
1640 encode packets and output them */
1641 if (start_time == 0 || ist->pts >= start_time)
1642 for(i=0;i<nb_ostreams;i++) {
1646 if (ost->source_index == ist_index) {
1648 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1649 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1650 while (frame_available) {
1651 AVRational ist_pts_tb;
1652 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1653 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1655 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1657 os = output_files[ost->file_index];
1659 /* set the input output pts pairs */
1660 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1662 if (ost->encoding_needed) {
1663 av_assert0(ist->decoding_needed);
1664 switch(ost->st->codec->codec_type) {
1665 case AVMEDIA_TYPE_AUDIO:
1666 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1668 case AVMEDIA_TYPE_VIDEO:
1670 if (ost->picref->video && !ost->frame_aspect_ratio)
1671 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1673 do_video_out(os, ost, ist, &picture, &frame_size);
1674 if (vstats_filename && frame_size)
1675 do_video_stats(os, ost, frame_size);
1677 case AVMEDIA_TYPE_SUBTITLE:
1678 do_subtitle_out(os, ost, ist, &subtitle,
1685 AVFrame avframe; //FIXME/XXX remove this
1687 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1689 av_init_packet(&opkt);
1691 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1692 #if !CONFIG_AVFILTER
1698 /* no reencoding needed : output the packet directly */
1699 /* force the input stream PTS */
1701 avcodec_get_frame_defaults(&avframe);
1702 ost->st->codec->coded_frame= &avframe;
1703 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1705 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1706 audio_size += data_size;
1707 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1708 video_size += data_size;
1712 opkt.stream_index= ost->index;
1713 if(pkt->pts != AV_NOPTS_VALUE)
1714 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1716 opkt.pts= AV_NOPTS_VALUE;
1718 if (pkt->dts == AV_NOPTS_VALUE)
1719 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1721 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1722 opkt.dts -= ost_tb_start_time;
1724 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1725 opkt.flags= pkt->flags;
1727 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1728 if( ost->st->codec->codec_id != CODEC_ID_H264
1729 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1730 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1732 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1733 opkt.destruct= av_destruct_packet;
1735 opkt.data = data_buf;
1736 opkt.size = data_size;
1739 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1740 ost->st->codec->frame_number++;
1741 ost->frame_number++;
1742 av_free_packet(&opkt);
1746 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1747 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1749 avfilter_unref_buffer(ost->picref);
1755 av_free(buffer_to_free);
1756 /* XXX: allocate the subtitles in the codec ? */
1757 if (subtitle_to_free) {
1758 avsubtitle_free(subtitle_to_free);
1759 subtitle_to_free = NULL;
1766 for(i=0;i<nb_ostreams;i++) {
1768 if (ost->source_index == ist_index) {
1769 AVCodecContext *enc= ost->st->codec;
1770 os = output_files[ost->file_index];
1772 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1777 if (ost->encoding_needed) {
1781 av_init_packet(&pkt);
1782 pkt.stream_index= ost->index;
1784 switch(ost->st->codec->codec_type) {
1785 case AVMEDIA_TYPE_AUDIO:
1786 fifo_bytes = av_fifo_size(ost->fifo);
1788 /* encode any samples remaining in fifo */
1789 if (fifo_bytes > 0) {
1790 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1791 int fs_tmp = enc->frame_size;
1793 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1794 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1795 enc->frame_size = fifo_bytes / (osize * enc->channels);
1797 int frame_bytes = enc->frame_size*osize*enc->channels;
1798 if (allocated_audio_buf_size < frame_bytes)
1800 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1803 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1804 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1805 ost->st->time_base.num, enc->sample_rate);
1806 enc->frame_size = fs_tmp;
1809 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1812 fprintf(stderr, "Audio encoding failed\n");
1816 pkt.flags |= AV_PKT_FLAG_KEY;
1818 case AVMEDIA_TYPE_VIDEO:
1819 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1821 fprintf(stderr, "Video encoding failed\n");
1825 if(enc->coded_frame && enc->coded_frame->key_frame)
1826 pkt.flags |= AV_PKT_FLAG_KEY;
1827 if (ost->logfile && enc->stats_out) {
1828 fprintf(ost->logfile, "%s", enc->stats_out);
1837 pkt.data= bit_buffer;
1839 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1840 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1841 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1853 static void print_sdp(AVFormatContext **avc, int n)
1857 av_sdp_create(avc, n, sdp, sizeof(sdp));
1858 printf("SDP:\n%s\n", sdp);
1862 static int copy_chapters(int infile, int outfile)
1864 AVFormatContext *is = input_files[infile];
1865 AVFormatContext *os = output_files[outfile];
1868 for (i = 0; i < is->nb_chapters; i++) {
1869 AVChapter *in_ch = is->chapters[i], *out_ch;
1870 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1871 AV_TIME_BASE_Q, in_ch->time_base);
1872 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1873 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1876 if (in_ch->end < ts_off)
1878 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1881 out_ch = av_mallocz(sizeof(AVChapter));
1883 return AVERROR(ENOMEM);
1885 out_ch->id = in_ch->id;
1886 out_ch->time_base = in_ch->time_base;
1887 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1888 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1890 if (metadata_chapters_autocopy)
1891 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1894 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1896 return AVERROR(ENOMEM);
1897 os->chapters[os->nb_chapters - 1] = out_ch;
1902 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1903 AVCodecContext *avctx)
1909 for (p = kf; *p; p++)
1912 ost->forced_kf_count = n;
1913 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1914 if (!ost->forced_kf_pts) {
1915 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1918 for (i = 0; i < n; i++) {
1919 p = i ? strchr(p, ',') + 1 : kf;
1920 t = parse_time_or_die("force_key_frames", p, 1);
1921 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1926 * The following code is the main loop of the file converter
1928 static int transcode(AVFormatContext **output_files,
1929 int nb_output_files,
1930 AVFormatContext **input_files,
1932 AVStreamMap *stream_maps, int nb_stream_maps)
1934 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1935 AVFormatContext *is, *os;
1936 AVCodecContext *codec, *icodec;
1937 AVOutputStream *ost, **ost_table = NULL;
1938 AVInputStream *ist, **ist_table = NULL;
1939 AVInputFile *file_table;
1942 uint8_t no_packet[MAX_FILES]={0};
1943 int no_packet_count=0;
1945 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1949 /* input stream init */
1951 for(i=0;i<nb_input_files;i++) {
1952 is = input_files[i];
1953 file_table[i].ist_index = j;
1954 file_table[i].nb_streams = is->nb_streams;
1955 j += is->nb_streams;
1959 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1963 for(i=0;i<nb_istreams;i++) {
1964 ist = av_mallocz(sizeof(AVInputStream));
1970 for(i=0;i<nb_input_files;i++) {
1971 is = input_files[i];
1972 for(k=0;k<is->nb_streams;k++) {
1973 ist = ist_table[j++];
1974 ist->st = is->streams[k];
1975 ist->file_index = i;
1977 ist->discard = 1; /* the stream is discarded by default
1981 ist->start = av_gettime();
1986 /* output stream init */
1988 for(i=0;i<nb_output_files;i++) {
1989 os = output_files[i];
1990 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1991 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1992 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1993 ret = AVERROR(EINVAL);
1996 nb_ostreams += os->nb_streams;
1998 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1999 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2000 ret = AVERROR(EINVAL);
2004 /* Sanity check the mapping args -- do the input files & streams exist? */
2005 for(i=0;i<nb_stream_maps;i++) {
2006 int fi = stream_maps[i].file_index;
2007 int si = stream_maps[i].stream_index;
2009 if (fi < 0 || fi > nb_input_files - 1 ||
2010 si < 0 || si > file_table[fi].nb_streams - 1) {
2011 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2012 ret = AVERROR(EINVAL);
2015 fi = stream_maps[i].sync_file_index;
2016 si = stream_maps[i].sync_stream_index;
2017 if (fi < 0 || fi > nb_input_files - 1 ||
2018 si < 0 || si > file_table[fi].nb_streams - 1) {
2019 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2020 ret = AVERROR(EINVAL);
2025 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2029 for(k=0;k<nb_output_files;k++) {
2030 os = output_files[k];
2031 for(i=0;i<os->nb_streams;i++,n++) {
2033 ost = ost_table[n] = output_streams_for_file[k][i];
2034 ost->st = os->streams[i];
2035 if (nb_stream_maps > 0) {
2036 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2037 stream_maps[n].stream_index;
2039 /* Sanity check that the stream types match */
2040 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2041 int i= ost->file_index;
2042 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2043 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2044 stream_maps[n].file_index, stream_maps[n].stream_index,
2045 ost->file_index, ost->index);
2050 int best_nb_frames=-1;
2051 /* get corresponding input stream index : we select the first one with the right type */
2053 for(j=0;j<nb_istreams;j++) {
2058 AVFormatContext *f= input_files[ ist->file_index ];
2060 for(pi=0; pi<f->nb_programs; pi++){
2061 AVProgram *p= f->programs[pi];
2062 if(p->id == opt_programid)
2063 for(si=0; si<p->nb_stream_indexes; si++){
2064 if(f->streams[ p->stream_index[si] ] == ist->st)
2069 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2070 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2071 if(best_nb_frames < ist->st->codec_info_nb_frames){
2072 best_nb_frames= ist->st->codec_info_nb_frames;
2073 ost->source_index = j;
2080 if(! opt_programid) {
2081 /* try again and reuse existing stream */
2082 for(j=0;j<nb_istreams;j++) {
2084 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2085 && ist->st->discard != AVDISCARD_ALL) {
2086 ost->source_index = j;
2092 int i= ost->file_index;
2093 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2094 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2095 ost->file_index, ost->index);
2100 ist = ist_table[ost->source_index];
2102 ost->sync_ist = (nb_stream_maps > 0) ?
2103 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2104 stream_maps[n].sync_stream_index] : ist;
2108 /* for each output stream, we compute the right encoding parameters */
2109 for(i=0;i<nb_ostreams;i++) {
2111 os = output_files[ost->file_index];
2112 ist = ist_table[ost->source_index];
2114 codec = ost->st->codec;
2115 icodec = ist->st->codec;
2117 if (metadata_streams_autocopy)
2118 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2119 AV_METADATA_DONT_OVERWRITE);
2121 ost->st->disposition = ist->st->disposition;
2122 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2123 codec->chroma_sample_location = icodec->chroma_sample_location;
2125 if (ost->st->stream_copy) {
2126 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2128 if (extra_size > INT_MAX)
2131 /* if stream_copy is selected, no need to decode or encode */
2132 codec->codec_id = icodec->codec_id;
2133 codec->codec_type = icodec->codec_type;
2135 if(!codec->codec_tag){
2136 if( !os->oformat->codec_tag
2137 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2138 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2139 codec->codec_tag = icodec->codec_tag;
2142 codec->bit_rate = icodec->bit_rate;
2143 codec->rc_max_rate = icodec->rc_max_rate;
2144 codec->rc_buffer_size = icodec->rc_buffer_size;
2145 codec->extradata= av_mallocz(extra_size);
2146 if (!codec->extradata)
2148 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2149 codec->extradata_size= icodec->extradata_size;
2150 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){
2151 codec->time_base = icodec->time_base;
2152 codec->time_base.num *= icodec->ticks_per_frame;
2153 av_reduce(&codec->time_base.num, &codec->time_base.den,
2154 codec->time_base.num, codec->time_base.den, INT_MAX);
2156 codec->time_base = ist->st->time_base;
2157 switch(codec->codec_type) {
2158 case AVMEDIA_TYPE_AUDIO:
2159 if(audio_volume != 256) {
2160 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2163 codec->channel_layout = icodec->channel_layout;
2164 codec->sample_rate = icodec->sample_rate;
2165 codec->channels = icodec->channels;
2166 codec->frame_size = icodec->frame_size;
2167 codec->audio_service_type = icodec->audio_service_type;
2168 codec->block_align= icodec->block_align;
2169 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2170 codec->block_align= 0;
2171 if(codec->codec_id == CODEC_ID_AC3)
2172 codec->block_align= 0;
2174 case AVMEDIA_TYPE_VIDEO:
2175 codec->pix_fmt = icodec->pix_fmt;
2176 codec->width = icodec->width;
2177 codec->height = icodec->height;
2178 codec->has_b_frames = icodec->has_b_frames;
2179 if (!codec->sample_aspect_ratio.num) {
2180 codec->sample_aspect_ratio =
2181 ost->st->sample_aspect_ratio =
2182 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2183 ist->st->codec->sample_aspect_ratio.num ?
2184 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2187 case AVMEDIA_TYPE_SUBTITLE:
2188 codec->width = icodec->width;
2189 codec->height = icodec->height;
2191 case AVMEDIA_TYPE_DATA:
2197 switch(codec->codec_type) {
2198 case AVMEDIA_TYPE_AUDIO:
2199 ost->fifo= av_fifo_alloc(1024);
2202 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2203 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2204 icodec->request_channels = codec->channels;
2205 ist->decoding_needed = 1;
2206 ost->encoding_needed = 1;
2207 ost->resample_sample_fmt = icodec->sample_fmt;
2208 ost->resample_sample_rate = icodec->sample_rate;
2209 ost->resample_channels = icodec->channels;
2211 case AVMEDIA_TYPE_VIDEO:
2212 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2213 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2216 ost->video_resample = codec->width != icodec->width ||
2217 codec->height != icodec->height ||
2218 codec->pix_fmt != icodec->pix_fmt;
2219 if (ost->video_resample) {
2220 #if !CONFIG_AVFILTER
2221 avcodec_get_frame_defaults(&ost->pict_tmp);
2222 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2223 codec->width, codec->height)) {
2224 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2227 ost->img_resample_ctx = sws_getContext(
2234 ost->sws_flags, NULL, NULL, NULL);
2235 if (ost->img_resample_ctx == NULL) {
2236 fprintf(stderr, "Cannot get resampling context\n");
2240 codec->bits_per_raw_sample= 0;
2242 ost->resample_height = icodec->height;
2243 ost->resample_width = icodec->width;
2244 ost->resample_pix_fmt= icodec->pix_fmt;
2245 ost->encoding_needed = 1;
2246 ist->decoding_needed = 1;
2249 if (configure_video_filters(ist, ost)) {
2250 fprintf(stderr, "Error opening filters!\n");
2255 case AVMEDIA_TYPE_SUBTITLE:
2256 ost->encoding_needed = 1;
2257 ist->decoding_needed = 1;
2264 if (ost->encoding_needed &&
2265 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2266 char logfilename[1024];
2269 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2270 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2272 if (codec->flags & CODEC_FLAG_PASS1) {
2273 f = fopen(logfilename, "wb");
2275 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2281 size_t logbuffer_size;
2282 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2283 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2286 codec->stats_in = logbuffer;
2290 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2291 int size= codec->width * codec->height;
2292 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2297 bit_buffer = av_malloc(bit_buffer_size);
2299 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2301 ret = AVERROR(ENOMEM);
2305 /* open each encoder */
2306 for(i=0;i<nb_ostreams;i++) {
2308 if (ost->encoding_needed) {
2309 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2310 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2312 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2314 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2315 ost->st->codec->codec_id, ost->file_index, ost->index);
2316 ret = AVERROR(EINVAL);
2319 if (dec->subtitle_header) {
2320 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2321 if (!ost->st->codec->subtitle_header) {
2322 ret = AVERROR(ENOMEM);
2325 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2326 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2328 if (avcodec_open(ost->st->codec, codec) < 0) {
2329 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2330 ost->file_index, ost->index);
2331 ret = AVERROR(EINVAL);
2334 extra_size += ost->st->codec->extradata_size;
2338 /* open each decoder */
2339 for(i=0;i<nb_istreams;i++) {
2341 if (ist->decoding_needed) {
2342 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2344 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2346 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2347 ist->st->codec->codec_id, ist->file_index, ist->index);
2348 ret = AVERROR(EINVAL);
2352 /* update requested sample format for the decoder based on the
2353 corresponding encoder sample format */
2354 for (j = 0; j < nb_ostreams; j++) {
2356 if (ost->source_index == i) {
2357 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2362 if (avcodec_open(ist->st->codec, codec) < 0) {
2363 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2364 ist->file_index, ist->index);
2365 ret = AVERROR(EINVAL);
2368 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2369 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2374 for(i=0;i<nb_istreams;i++) {
2378 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2379 ist->next_pts = AV_NOPTS_VALUE;
2380 init_pts_correction(&ist->pts_ctx);
2384 /* set meta data information from input file if required */
2385 for (i=0;i<nb_meta_data_maps;i++) {
2386 AVFormatContext *files[2];
2387 AVMetadata **meta[2];
2390 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2391 if ((index) < 0 || (index) >= (nb_elems)) {\
2392 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2394 ret = AVERROR(EINVAL);\
2398 int out_file_index = meta_data_maps[i][0].file;
2399 int in_file_index = meta_data_maps[i][1].file;
2400 if (in_file_index < 0 || out_file_index < 0)
2402 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2403 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2405 files[0] = output_files[out_file_index];
2406 files[1] = input_files[in_file_index];
2408 for (j = 0; j < 2; j++) {
2409 AVMetaDataMap *map = &meta_data_maps[i][j];
2411 switch (map->type) {
2413 meta[j] = &files[j]->metadata;
2416 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2417 meta[j] = &files[j]->streams[map->index]->metadata;
2420 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2421 meta[j] = &files[j]->chapters[map->index]->metadata;
2424 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2425 meta[j] = &files[j]->programs[map->index]->metadata;
2430 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2433 /* copy global metadata by default */
2434 if (metadata_global_autocopy) {
2436 for (i = 0; i < nb_output_files; i++)
2437 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2438 AV_METADATA_DONT_OVERWRITE);
2441 /* copy chapters according to chapter maps */
2442 for (i = 0; i < nb_chapter_maps; i++) {
2443 int infile = chapter_maps[i].in_file;
2444 int outfile = chapter_maps[i].out_file;
2446 if (infile < 0 || outfile < 0)
2448 if (infile >= nb_input_files) {
2449 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2450 ret = AVERROR(EINVAL);
2453 if (outfile >= nb_output_files) {
2454 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2455 ret = AVERROR(EINVAL);
2458 copy_chapters(infile, outfile);
2461 /* copy chapters from the first input file that has them*/
2462 if (!nb_chapter_maps)
2463 for (i = 0; i < nb_input_files; i++) {
2464 if (!input_files[i]->nb_chapters)
2467 for (j = 0; j < nb_output_files; j++)
2468 if ((ret = copy_chapters(i, j)) < 0)
2473 /* open files and write file headers */
2474 for(i=0;i<nb_output_files;i++) {
2475 os = output_files[i];
2476 if (av_write_header(os) < 0) {
2477 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2478 ret = AVERROR(EINVAL);
2481 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2487 /* dump the file output parameters - cannot be done before in case
2489 for(i=0;i<nb_output_files;i++) {
2490 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2493 /* dump the stream mapping */
2495 fprintf(stderr, "Stream mapping:\n");
2496 for(i=0;i<nb_ostreams;i++) {
2498 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2499 ist_table[ost->source_index]->file_index,
2500 ist_table[ost->source_index]->index,
2503 if (ost->sync_ist != ist_table[ost->source_index])
2504 fprintf(stderr, " [sync #%d.%d]",
2505 ost->sync_ist->file_index,
2506 ost->sync_ist->index);
2507 fprintf(stderr, "\n");
2512 fprintf(stderr, "%s\n", error);
2517 print_sdp(output_files, nb_output_files);
2521 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2524 timer_start = av_gettime();
2526 for(; received_sigterm == 0;) {
2527 int file_index, ist_index;
2536 /* select the stream that we must read now by looking at the
2537 smallest output pts */
2539 for(i=0;i<nb_ostreams;i++) {
2542 os = output_files[ost->file_index];
2543 ist = ist_table[ost->source_index];
2544 if(ist->is_past_recording_time || no_packet[ist->file_index])
2546 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2547 ipts = (double)ist->pts;
2548 if (!file_table[ist->file_index].eof_reached){
2549 if(ipts < ipts_min) {
2551 if(input_sync ) file_index = ist->file_index;
2553 if(opts < opts_min) {
2555 if(!input_sync) file_index = ist->file_index;
2558 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2563 /* if none, if is finished */
2564 if (file_index < 0) {
2565 if(no_packet_count){
2567 memset(no_packet, 0, sizeof(no_packet));
2574 /* finish if limit size exhausted */
2575 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2578 /* read a frame from it and output it in the fifo */
2579 is = input_files[file_index];
2580 ret= av_read_frame(is, &pkt);
2581 if(ret == AVERROR(EAGAIN)){
2582 no_packet[file_index]=1;
2587 file_table[file_index].eof_reached = 1;
2595 memset(no_packet, 0, sizeof(no_packet));
2598 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2599 is->streams[pkt.stream_index]);
2601 /* the following test is needed in case new streams appear
2602 dynamically in stream : we ignore them */
2603 if (pkt.stream_index >= file_table[file_index].nb_streams)
2604 goto discard_packet;
2605 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2606 ist = ist_table[ist_index];
2608 goto discard_packet;
2610 if (pkt.dts != AV_NOPTS_VALUE)
2611 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2612 if (pkt.pts != AV_NOPTS_VALUE)
2613 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2615 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2616 && input_files_ts_scale[file_index][pkt.stream_index]){
2617 if(pkt.pts != AV_NOPTS_VALUE)
2618 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2619 if(pkt.dts != AV_NOPTS_VALUE)
2620 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2623 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2624 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2625 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2626 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2627 int64_t delta= pkt_dts - ist->next_pts;
2628 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2629 input_files_ts_offset[ist->file_index]-= delta;
2631 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2632 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2633 if(pkt.pts != AV_NOPTS_VALUE)
2634 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2638 /* finish if recording time exhausted */
2639 if (recording_time != INT64_MAX &&
2640 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2641 ist->is_past_recording_time = 1;
2642 goto discard_packet;
2645 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2646 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2649 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2650 ist->file_index, ist->index);
2653 av_free_packet(&pkt);
2658 av_free_packet(&pkt);
2660 /* dump report by using the output first video and audio streams */
2661 print_report(output_files, ost_table, nb_ostreams, 0);
2664 /* at the end of stream, we must flush the decoder buffers */
2665 for(i=0;i<nb_istreams;i++) {
2667 if (ist->decoding_needed) {
2668 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2674 /* write the trailer if needed and close file */
2675 for(i=0;i<nb_output_files;i++) {
2676 os = output_files[i];
2677 av_write_trailer(os);
2680 /* dump report by using the first video and audio streams */
2681 print_report(output_files, ost_table, nb_ostreams, 1);
2683 /* close each encoder */
2684 for(i=0;i<nb_ostreams;i++) {
2686 if (ost->encoding_needed) {
2687 av_freep(&ost->st->codec->stats_in);
2688 avcodec_close(ost->st->codec);
2691 avfilter_graph_free(&ost->graph);
2695 /* close each decoder */
2696 for(i=0;i<nb_istreams;i++) {
2698 if (ist->decoding_needed) {
2699 avcodec_close(ist->st->codec);
2707 av_freep(&bit_buffer);
2708 av_free(file_table);
2711 for(i=0;i<nb_istreams;i++) {
2718 for(i=0;i<nb_ostreams;i++) {
2721 if (ost->st->stream_copy)
2722 av_freep(&ost->st->codec->extradata);
2724 fclose(ost->logfile);
2725 ost->logfile = NULL;
2727 av_fifo_free(ost->fifo); /* works even if fifo is not
2728 initialized but set to zero */
2729 av_freep(&ost->st->codec->subtitle_header);
2730 av_free(ost->pict_tmp.data[0]);
2731 av_free(ost->forced_kf_pts);
2732 if (ost->video_resample)
2733 sws_freeContext(ost->img_resample_ctx);
2735 audio_resample_close(ost->resample);
2736 if (ost->reformat_ctx)
2737 av_audio_convert_free(ost->reformat_ctx);
2746 static void opt_format(const char *arg)
2748 last_asked_format = arg;
2751 static void opt_video_rc_override_string(const char *arg)
2753 video_rc_override_string = arg;
2756 static int opt_me_threshold(const char *opt, const char *arg)
2758 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2762 static int opt_verbose(const char *opt, const char *arg)
2764 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2768 static int opt_frame_rate(const char *opt, const char *arg)
2770 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2771 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2777 static int opt_bitrate(const char *opt, const char *arg)
2779 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2781 opt_default(opt, arg);
2783 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2784 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2789 static int opt_frame_crop(const char *opt, const char *arg)
2791 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2792 return AVERROR(EINVAL);
2795 static void opt_frame_size(const char *arg)
2797 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2798 fprintf(stderr, "Incorrect frame size\n");
2803 static int opt_pad(const char *opt, const char *arg) {
2804 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2808 static void opt_frame_pix_fmt(const char *arg)
2810 if (strcmp(arg, "list")) {
2811 frame_pix_fmt = av_get_pix_fmt(arg);
2812 if (frame_pix_fmt == PIX_FMT_NONE) {
2813 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2822 static void opt_frame_aspect_ratio(const char *arg)
2829 p = strchr(arg, ':');
2831 x = strtol(arg, &end, 10);
2833 y = strtol(end+1, &end, 10);
2835 ar = (double)x / (double)y;
2837 ar = strtod(arg, NULL);
2840 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2843 frame_aspect_ratio = ar;
2846 static int opt_metadata(const char *opt, const char *arg)
2848 char *mid= strchr(arg, '=');
2851 fprintf(stderr, "Missing =\n");
2856 av_metadata_set2(&metadata, arg, mid, 0);
2861 static int opt_qscale(const char *opt, const char *arg)
2863 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2864 if (video_qscale == 0) {
2865 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2866 return AVERROR(EINVAL);
2871 static int opt_top_field_first(const char *opt, const char *arg)
2873 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2877 static int opt_thread_count(const char *opt, const char *arg)
2879 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2882 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2887 static void opt_audio_sample_fmt(const char *arg)
2889 if (strcmp(arg, "list")) {
2890 audio_sample_fmt = av_get_sample_fmt(arg);
2891 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2892 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2898 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2899 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2904 static int opt_audio_rate(const char *opt, const char *arg)
2906 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2910 static int opt_audio_channels(const char *opt, const char *arg)
2912 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2916 static int opt_video_channel(const char *opt, const char *arg)
2918 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2922 static void opt_video_standard(const char *arg)
2924 video_standard = av_strdup(arg);
2927 static void opt_codec(int *pstream_copy, char **pcodec_name,
2928 int codec_type, const char *arg)
2930 av_freep(pcodec_name);
2931 if (!strcmp(arg, "copy")) {
2934 *pcodec_name = av_strdup(arg);
2938 static void opt_audio_codec(const char *arg)
2940 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2943 static void opt_video_codec(const char *arg)
2945 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2948 static void opt_subtitle_codec(const char *arg)
2950 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2953 static void opt_data_codec(const char *arg)
2955 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2958 static int opt_codec_tag(const char *opt, const char *arg)
2961 uint32_t *codec_tag;
2963 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2964 !strcmp(opt, "vtag") ? &video_codec_tag :
2965 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2969 *codec_tag = strtol(arg, &tail, 0);
2971 *codec_tag = AV_RL32(arg);
2976 static void opt_map(const char *arg)
2981 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2982 m = &stream_maps[nb_stream_maps-1];
2984 m->file_index = strtol(arg, &p, 0);
2988 m->stream_index = strtol(p, &p, 0);
2991 m->sync_file_index = strtol(p, &p, 0);
2994 m->sync_stream_index = strtol(p, &p, 0);
2996 m->sync_file_index = m->file_index;
2997 m->sync_stream_index = m->stream_index;
3001 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3012 *index = strtol(++arg, endptr, 0);
3015 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3022 static void opt_map_metadata(const char *arg)
3024 AVMetaDataMap *m, *m1;
3027 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3028 &nb_meta_data_maps, nb_meta_data_maps + 1);
3030 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3031 m->file = strtol(arg, &p, 0);
3032 parse_meta_type(p, &m->type, &m->index, &p);
3036 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3037 m1->file = strtol(p, &p, 0);
3038 parse_meta_type(p, &m1->type, &m1->index, &p);
3040 if (m->type == 'g' || m1->type == 'g')
3041 metadata_global_autocopy = 0;
3042 if (m->type == 's' || m1->type == 's')
3043 metadata_streams_autocopy = 0;
3044 if (m->type == 'c' || m1->type == 'c')
3045 metadata_chapters_autocopy = 0;
3048 static void opt_map_meta_data(const char *arg)
3050 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3051 "Use -map_metadata instead.\n");
3052 opt_map_metadata(arg);
3055 static void opt_map_chapters(const char *arg)
3060 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3061 nb_chapter_maps + 1);
3062 c = &chapter_maps[nb_chapter_maps - 1];
3063 c->out_file = strtol(arg, &p, 0);
3067 c->in_file = strtol(p, &p, 0);
3070 static void opt_input_ts_scale(const char *arg)
3072 unsigned int stream;
3076 stream = strtol(arg, &p, 0);
3079 scale= strtod(p, &p);
3081 if(stream >= MAX_STREAMS)
3084 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
3085 input_files_ts_scale[nb_input_files][stream]= scale;
3088 static int opt_recording_time(const char *opt, const char *arg)
3090 recording_time = parse_time_or_die(opt, arg, 1);
3094 static int opt_start_time(const char *opt, const char *arg)
3096 start_time = parse_time_or_die(opt, arg, 1);
3100 static int opt_recording_timestamp(const char *opt, const char *arg)
3102 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3106 static int opt_input_ts_offset(const char *opt, const char *arg)
3108 input_ts_offset = parse_time_or_die(opt, arg, 1);
3112 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3114 const char *codec_string = encoder ? "encoder" : "decoder";
3118 return CODEC_ID_NONE;
3120 avcodec_find_encoder_by_name(name) :
3121 avcodec_find_decoder_by_name(name);
3123 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3126 if(codec->type != type) {
3127 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3130 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3131 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3132 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3133 "results.\nAdd '-strict experimental' if you want to use it.\n",
3134 codec_string, codec->name);
3136 avcodec_find_encoder(codec->id) :
3137 avcodec_find_decoder(codec->id);
3138 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3139 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3140 codec_string, codec->name);
3146 static void opt_input_file(const char *filename)
3148 AVFormatContext *ic;
3149 AVFormatParameters params, *ap = ¶ms;
3150 AVInputFormat *file_iformat = NULL;
3151 int err, i, ret, rfps, rfps_base;
3154 if (last_asked_format) {
3155 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3156 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3159 last_asked_format = NULL;
3162 if (!strcmp(filename, "-"))
3165 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3166 !strcmp(filename, "/dev/stdin");
3168 /* get default parameters from command line */
3169 ic = avformat_alloc_context();
3171 print_error(filename, AVERROR(ENOMEM));
3175 memset(ap, 0, sizeof(*ap));
3176 ap->prealloced_context = 1;
3177 ap->sample_rate = audio_sample_rate;
3178 ap->channels = audio_channels;
3179 ap->time_base.den = frame_rate.num;
3180 ap->time_base.num = frame_rate.den;
3181 ap->width = frame_width;
3182 ap->height = frame_height;
3183 ap->pix_fmt = frame_pix_fmt;
3184 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3185 ap->channel = video_channel;
3186 ap->standard = video_standard;
3188 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3190 ic->video_codec_id =
3191 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3192 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3193 ic->audio_codec_id =
3194 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3195 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3196 ic->subtitle_codec_id=
3197 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3198 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3199 ic->flags |= AVFMT_FLAG_NONBLOCK;
3201 /* open the input file with generic libav function */
3202 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3204 print_error(filename, err);
3210 for(i=0; i<ic->nb_streams; i++){
3211 ic->streams[i]->discard= AVDISCARD_ALL;
3213 for(i=0; i<ic->nb_programs; i++){
3214 AVProgram *p= ic->programs[i];
3215 if(p->id != opt_programid){
3216 p->discard = AVDISCARD_ALL;
3219 for(j=0; j<p->nb_stream_indexes; j++){
3220 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3225 fprintf(stderr, "Specified program id not found\n");
3231 ic->loop_input = loop_input;
3233 /* Set AVCodecContext options so they will be seen by av_find_stream_info() */
3234 for (i = 0; i < ic->nb_streams; i++) {
3235 AVCodecContext *dec = ic->streams[i]->codec;
3236 switch (dec->codec_type) {
3237 case AVMEDIA_TYPE_AUDIO:
3238 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO],
3239 AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3242 case AVMEDIA_TYPE_VIDEO:
3243 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
3244 AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3250 /* If not enough info to get the stream parameters, we decode the
3251 first frames to get it. (used in mpeg case for example) */
3252 ret = av_find_stream_info(ic);
3253 if (ret < 0 && verbose >= 0) {
3254 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3255 av_close_input_file(ic);
3259 timestamp = start_time;
3260 /* add the stream start time */
3261 if (ic->start_time != AV_NOPTS_VALUE)
3262 timestamp += ic->start_time;
3264 /* if seeking requested, we execute it */
3265 if (start_time != 0) {
3266 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3268 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3269 filename, (double)timestamp / AV_TIME_BASE);
3271 /* reset seek info */
3275 /* update the current parameters so that they match the one of the input stream */
3276 for(i=0;i<ic->nb_streams;i++) {
3277 AVStream *st = ic->streams[i];
3278 AVCodecContext *dec = st->codec;
3279 dec->thread_count = thread_count;
3280 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3281 switch (dec->codec_type) {
3282 case AVMEDIA_TYPE_AUDIO:
3283 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3284 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3285 channel_layout = dec->channel_layout;
3286 audio_channels = dec->channels;
3287 audio_sample_rate = dec->sample_rate;
3288 audio_sample_fmt = dec->sample_fmt;
3290 st->discard= AVDISCARD_ALL;
3291 /* Note that av_find_stream_info can add more streams, and we
3292 * currently have no chance of setting up lowres decoding
3293 * early enough for them. */
3295 audio_sample_rate >>= dec->lowres;
3297 case AVMEDIA_TYPE_VIDEO:
3298 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3299 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3300 frame_height = dec->height;
3301 frame_width = dec->width;
3302 frame_pix_fmt = dec->pix_fmt;
3303 rfps = ic->streams[i]->r_frame_rate.num;
3304 rfps_base = ic->streams[i]->r_frame_rate.den;
3306 dec->flags |= CODEC_FLAG_EMU_EDGE;
3307 frame_height >>= dec->lowres;
3308 frame_width >>= dec->lowres;
3309 dec->height = frame_height;
3310 dec->width = frame_width;
3313 dec->debug |= FF_DEBUG_MV;
3315 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3318 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3319 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3321 (float)rfps / rfps_base, rfps, rfps_base);
3323 /* update the current frame rate to match the stream frame rate */
3324 frame_rate.num = rfps;
3325 frame_rate.den = rfps_base;
3328 st->discard= AVDISCARD_ALL;
3329 else if(video_discard)
3330 st->discard= video_discard;
3332 case AVMEDIA_TYPE_DATA:
3334 case AVMEDIA_TYPE_SUBTITLE:
3335 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3336 if(subtitle_disable)
3337 st->discard = AVDISCARD_ALL;
3339 case AVMEDIA_TYPE_ATTACHMENT:
3340 case AVMEDIA_TYPE_UNKNOWN:
3347 input_files[nb_input_files] = ic;
3348 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3349 /* dump the file content */
3351 av_dump_format(ic, nb_input_files, filename, 0);
3357 av_freep(&video_codec_name);
3358 av_freep(&audio_codec_name);
3359 av_freep(&subtitle_codec_name);
3364 static void check_inputs(int *has_video_ptr,
3366 int *has_subtitle_ptr,
3369 int has_video, has_audio, has_subtitle, has_data, i, j;
3370 AVFormatContext *ic;
3377 for(j=0;j<nb_input_files;j++) {
3378 ic = input_files[j];
3379 for(i=0;i<ic->nb_streams;i++) {
3380 AVCodecContext *enc = ic->streams[i]->codec;
3381 switch(enc->codec_type) {
3382 case AVMEDIA_TYPE_AUDIO:
3385 case AVMEDIA_TYPE_VIDEO:
3388 case AVMEDIA_TYPE_SUBTITLE:
3391 case AVMEDIA_TYPE_DATA:
3392 case AVMEDIA_TYPE_ATTACHMENT:
3393 case AVMEDIA_TYPE_UNKNOWN:
3401 *has_video_ptr = has_video;
3402 *has_audio_ptr = has_audio;
3403 *has_subtitle_ptr = has_subtitle;
3404 *has_data_ptr = has_data;
3407 static void new_video_stream(AVFormatContext *oc, int file_idx)
3410 AVOutputStream *ost;
3411 AVCodecContext *video_enc;
3412 enum CodecID codec_id = CODEC_ID_NONE;
3413 AVCodec *codec= NULL;
3415 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3417 fprintf(stderr, "Could not alloc stream\n");
3420 ost = new_output_stream(oc, file_idx);
3422 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3423 if(!video_stream_copy){
3424 if (video_codec_name) {
3425 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3426 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3427 codec = avcodec_find_encoder_by_name(video_codec_name);
3428 output_codecs[nb_output_codecs-1] = codec;
3430 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3431 codec = avcodec_find_encoder(codec_id);
3434 ost->frame_aspect_ratio = frame_aspect_ratio;
3435 frame_aspect_ratio = 0;
3437 ost->avfilter= vfilters;
3442 avcodec_get_context_defaults3(st->codec, codec);
3443 ost->bitstream_filters = video_bitstream_filters;
3444 video_bitstream_filters= NULL;
3446 st->codec->thread_count= thread_count;
3448 video_enc = st->codec;
3451 video_enc->codec_tag= video_codec_tag;
3453 if( (video_global_header&1)
3454 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3455 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3456 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3458 if(video_global_header&2){
3459 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3460 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3463 if (video_stream_copy) {
3464 st->stream_copy = 1;
3465 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3466 video_enc->sample_aspect_ratio =
3467 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3471 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3473 video_enc->codec_id = codec_id;
3474 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3476 if (codec && codec->supported_framerates && !force_fps)
3477 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3478 video_enc->time_base.den = fps.num;
3479 video_enc->time_base.num = fps.den;
3481 video_enc->width = frame_width;
3482 video_enc->height = frame_height;
3483 video_enc->pix_fmt = frame_pix_fmt;
3484 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3486 choose_pixel_fmt(st, codec);
3489 video_enc->gop_size = 0;
3490 if (video_qscale || same_quality) {
3491 video_enc->flags |= CODEC_FLAG_QSCALE;
3492 video_enc->global_quality=
3493 st->quality = FF_QP2LAMBDA * video_qscale;
3497 video_enc->intra_matrix = intra_matrix;
3499 video_enc->inter_matrix = inter_matrix;
3501 p= video_rc_override_string;
3504 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3506 fprintf(stderr, "error parsing rc_override\n");
3509 video_enc->rc_override=
3510 av_realloc(video_enc->rc_override,
3511 sizeof(RcOverride)*(i+1));
3512 video_enc->rc_override[i].start_frame= start;
3513 video_enc->rc_override[i].end_frame = end;
3515 video_enc->rc_override[i].qscale= q;
3516 video_enc->rc_override[i].quality_factor= 1.0;
3519 video_enc->rc_override[i].qscale= 0;
3520 video_enc->rc_override[i].quality_factor= -q/100.0;
3525 video_enc->rc_override_count=i;
3526 if (!video_enc->rc_initial_buffer_occupancy)
3527 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3528 video_enc->me_threshold= me_threshold;
3529 video_enc->intra_dc_precision= intra_dc_precision - 8;
3532 video_enc->flags|= CODEC_FLAG_PSNR;
3537 video_enc->flags |= CODEC_FLAG_PASS1;
3539 video_enc->flags |= CODEC_FLAG_PASS2;
3543 if (forced_key_frames)
3544 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3546 if (video_language) {
3547 av_metadata_set2(&st->metadata, "language", video_language, 0);
3548 av_freep(&video_language);
3551 /* reset some key parameters */
3553 av_freep(&video_codec_name);
3554 av_freep(&forced_key_frames);
3555 video_stream_copy = 0;
3556 frame_pix_fmt = PIX_FMT_NONE;
3559 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3562 AVOutputStream *ost;
3563 AVCodec *codec= NULL;
3564 AVCodecContext *audio_enc;
3565 enum CodecID codec_id = CODEC_ID_NONE;
3567 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3569 fprintf(stderr, "Could not alloc stream\n");
3572 ost = new_output_stream(oc, file_idx);
3574 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3575 if(!audio_stream_copy){
3576 if (audio_codec_name) {
3577 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3578 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3579 codec = avcodec_find_encoder_by_name(audio_codec_name);
3580 output_codecs[nb_output_codecs-1] = codec;
3582 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3583 codec = avcodec_find_encoder(codec_id);
3587 avcodec_get_context_defaults3(st->codec, codec);
3589 ost->bitstream_filters = audio_bitstream_filters;
3590 audio_bitstream_filters= NULL;
3592 st->codec->thread_count= thread_count;
3594 audio_enc = st->codec;
3595 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3598 audio_enc->codec_tag= audio_codec_tag;
3600 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3601 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3602 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3604 if (audio_stream_copy) {
3605 st->stream_copy = 1;
3606 audio_enc->channels = audio_channels;
3607 audio_enc->sample_rate = audio_sample_rate;
3609 audio_enc->codec_id = codec_id;
3610 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3612 if (audio_qscale > QSCALE_NONE) {
3613 audio_enc->flags |= CODEC_FLAG_QSCALE;
3614 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3616 audio_enc->channels = audio_channels;
3617 audio_enc->sample_fmt = audio_sample_fmt;
3618 audio_enc->sample_rate = audio_sample_rate;
3619 audio_enc->channel_layout = channel_layout;
3620 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3621 audio_enc->channel_layout = 0;
3622 choose_sample_fmt(st, codec);
3623 choose_sample_rate(st, codec);
3625 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3626 if (audio_language) {
3627 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3628 av_freep(&audio_language);
3631 /* reset some key parameters */
3633 av_freep(&audio_codec_name);
3634 audio_stream_copy = 0;
3637 static void new_data_stream(AVFormatContext *oc, int file_idx)
3640 AVOutputStream *ost;
3641 AVCodec *codec=NULL;
3642 AVCodecContext *data_enc;
3644 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3646 fprintf(stderr, "Could not alloc stream\n");
3649 ost = new_output_stream(oc, file_idx);
3650 data_enc = st->codec;
3651 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3652 if (!data_stream_copy) {
3653 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3656 avcodec_get_context_defaults3(st->codec, codec);
3658 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3661 data_enc->codec_tag= data_codec_tag;
3663 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3664 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3665 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3667 if (data_stream_copy) {
3668 st->stream_copy = 1;
3672 av_freep(&data_codec_name);
3673 data_stream_copy = 0;
3676 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3679 AVOutputStream *ost;
3680 AVCodec *codec=NULL;
3681 AVCodecContext *subtitle_enc;
3682 enum CodecID codec_id = CODEC_ID_NONE;
3684 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3686 fprintf(stderr, "Could not alloc stream\n");
3689 ost = new_output_stream(oc, file_idx);
3690 subtitle_enc = st->codec;
3691 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3692 if(!subtitle_stream_copy){
3693 if (subtitle_codec_name) {
3694 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3695 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3696 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3698 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3699 codec = avcodec_find_encoder(codec_id);
3702 avcodec_get_context_defaults3(st->codec, codec);
3704 ost->bitstream_filters = subtitle_bitstream_filters;
3705 subtitle_bitstream_filters= NULL;
3707 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3709 if(subtitle_codec_tag)
3710 subtitle_enc->codec_tag= subtitle_codec_tag;
3712 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3713 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3714 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3716 if (subtitle_stream_copy) {
3717 st->stream_copy = 1;
3719 subtitle_enc->codec_id = codec_id;
3720 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3723 if (subtitle_language) {
3724 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3725 av_freep(&subtitle_language);
3728 subtitle_disable = 0;
3729 av_freep(&subtitle_codec_name);
3730 subtitle_stream_copy = 0;
3733 static int opt_new_stream(const char *opt, const char *arg)
3735 AVFormatContext *oc;
3736 int file_idx = nb_output_files - 1;
3737 if (nb_output_files <= 0) {
3738 fprintf(stderr, "At least one output file must be specified\n");
3741 oc = output_files[file_idx];
3743 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3744 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3745 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3746 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3751 /* arg format is "output-stream-index:streamid-value". */
3752 static int opt_streamid(const char *opt, const char *arg)
3758 av_strlcpy(idx_str, arg, sizeof(idx_str));
3759 p = strchr(idx_str, ':');
3762 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3767 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3768 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3769 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3773 static void opt_output_file(const char *filename)
3775 AVFormatContext *oc;
3776 int err, use_video, use_audio, use_subtitle, use_data;
3777 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3778 AVFormatParameters params, *ap = ¶ms;
3779 AVOutputFormat *file_oformat;
3781 if (!strcmp(filename, "-"))
3784 oc = avformat_alloc_context();
3786 print_error(filename, AVERROR(ENOMEM));
3790 if (last_asked_format) {
3791 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3792 if (!file_oformat) {
3793 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3796 last_asked_format = NULL;
3798 file_oformat = av_guess_format(NULL, filename, NULL);
3799 if (!file_oformat) {
3800 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3806 oc->oformat = file_oformat;
3807 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3809 if (!strcmp(file_oformat->name, "ffm") &&
3810 av_strstart(filename, "http:", NULL)) {
3811 /* special case for files sent to ffserver: we get the stream
3812 parameters from ffserver */
3813 int err = read_ffserver_streams(oc, filename);
3815 print_error(filename, err);
3819 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3820 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3821 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3822 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3824 /* disable if no corresponding type found and at least one
3826 if (nb_input_files > 0) {
3827 check_inputs(&input_has_video,
3829 &input_has_subtitle,
3832 if (!input_has_video)
3834 if (!input_has_audio)
3836 if (!input_has_subtitle)
3838 if (!input_has_data)
3842 /* manual disable */
3843 if (audio_disable) use_audio = 0;
3844 if (video_disable) use_video = 0;
3845 if (subtitle_disable) use_subtitle = 0;
3846 if (data_disable) use_data = 0;
3848 if (use_video) new_video_stream(oc, nb_output_files);
3849 if (use_audio) new_audio_stream(oc, nb_output_files);
3850 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3851 if (use_data) new_data_stream(oc, nb_output_files);
3853 oc->timestamp = recording_timestamp;
3855 av_metadata_copy(&oc->metadata, metadata, 0);
3856 av_metadata_free(&metadata);
3859 output_files[nb_output_files++] = oc;
3861 /* check filename in case of an image number is expected */
3862 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3863 if (!av_filename_number_test(oc->filename)) {
3864 print_error(oc->filename, AVERROR(EINVAL));
3869 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3870 /* test if it already exists to avoid loosing precious files */
3871 if (!file_overwrite &&
3872 (strchr(filename, ':') == NULL ||
3873 filename[1] == ':' ||
3874 av_strstart(filename, "file:", NULL))) {
3875 if (avio_check(filename, 0) == 0) {
3877 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3879 if (!read_yesno()) {
3880 fprintf(stderr, "Not overwriting - exiting\n");
3885 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3892 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3893 print_error(filename, err);
3898 memset(ap, 0, sizeof(*ap));
3899 if (av_set_parameters(oc, ap) < 0) {
3900 fprintf(stderr, "%s: Invalid encoding parameters\n",
3905 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3906 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3907 oc->loop_output = loop_output;
3908 oc->flags |= AVFMT_FLAG_NONBLOCK;
3910 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3912 av_freep(&forced_key_frames);
3917 /* same option as mencoder */
3918 static int opt_pass(const char *opt, const char *arg)
3920 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3924 static int64_t getutime(void)
3927 struct rusage rusage;
3929 getrusage(RUSAGE_SELF, &rusage);
3930 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3931 #elif HAVE_GETPROCESSTIMES
3933 FILETIME c, e, k, u;
3934 proc = GetCurrentProcess();
3935 GetProcessTimes(proc, &c, &e, &k, &u);
3936 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3938 return av_gettime();
3942 static int64_t getmaxrss(void)
3944 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3945 struct rusage rusage;
3946 getrusage(RUSAGE_SELF, &rusage);
3947 return (int64_t)rusage.ru_maxrss * 1024;
3948 #elif HAVE_GETPROCESSMEMORYINFO
3950 PROCESS_MEMORY_COUNTERS memcounters;
3951 proc = GetCurrentProcess();
3952 memcounters.cb = sizeof(memcounters);
3953 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3954 return memcounters.PeakPagefileUsage;
3960 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3963 const char *p = str;
3970 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3977 static void opt_inter_matrix(const char *arg)
3979 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3980 parse_matrix_coeffs(inter_matrix, arg);
3983 static void opt_intra_matrix(const char *arg)
3985 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3986 parse_matrix_coeffs(intra_matrix, arg);
3989 static void show_usage(void)
3991 printf("Hyper fast Audio and Video encoder\n");
3992 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3996 static void show_help(void)
3999 AVOutputFormat *oformat = NULL;
4001 av_log_set_callback(log_callback_help);
4003 show_help_options(options, "Main options:\n",
4004 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4005 show_help_options(options, "\nAdvanced options:\n",
4006 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4008 show_help_options(options, "\nVideo options:\n",
4009 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4011 show_help_options(options, "\nAdvanced Video options:\n",
4012 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4013 OPT_VIDEO | OPT_EXPERT);
4014 show_help_options(options, "\nAudio options:\n",
4015 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4017 show_help_options(options, "\nAdvanced Audio options:\n",
4018 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4019 OPT_AUDIO | OPT_EXPERT);
4020 show_help_options(options, "\nSubtitle options:\n",
4021 OPT_SUBTITLE | OPT_GRAB,
4023 show_help_options(options, "\nAudio/Video grab options:\n",
4027 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4030 /* individual codec options */
4032 while ((c = av_codec_next(c))) {
4033 if (c->priv_class) {
4034 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4039 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4042 /* individual muxer options */
4043 while ((oformat = av_oformat_next(oformat))) {
4044 if (oformat->priv_class) {
4045 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4050 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4053 static void opt_target(const char *arg)
4055 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4056 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4058 if(!strncmp(arg, "pal-", 4)) {
4061 } else if(!strncmp(arg, "ntsc-", 5)) {
4064 } else if(!strncmp(arg, "film-", 5)) {
4069 /* Calculate FR via float to avoid int overflow */
4070 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4073 } else if((fr == 29970) || (fr == 23976)) {
4076 /* Try to determine PAL/NTSC by peeking in the input files */
4077 if(nb_input_files) {
4079 for(j = 0; j < nb_input_files; j++) {
4080 for(i = 0; i < input_files[j]->nb_streams; i++) {
4081 AVCodecContext *c = input_files[j]->streams[i]->codec;
4082 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4084 fr = c->time_base.den * 1000 / c->time_base.num;
4088 } else if((fr == 29970) || (fr == 23976)) {
4098 if(verbose > 0 && norm != UNKNOWN)
4099 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4102 if(norm == UNKNOWN) {
4103 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4104 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4105 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4109 if(!strcmp(arg, "vcd")) {
4111 opt_video_codec("mpeg1video");
4112 opt_audio_codec("mp2");
4115 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4116 opt_frame_rate(NULL, frame_rates[norm]);
4117 opt_default("g", norm == PAL ? "15" : "18");
4119 opt_default("b", "1150000");
4120 opt_default("maxrate", "1150000");
4121 opt_default("minrate", "1150000");
4122 opt_default("bufsize", "327680"); // 40*1024*8;
4124 opt_default("ab", "224000");
4125 audio_sample_rate = 44100;
4128 opt_default("packetsize", "2324");
4129 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4131 /* We have to offset the PTS, so that it is consistent with the SCR.
4132 SCR starts at 36000, but the first two packs contain only padding
4133 and the first pack from the other stream, respectively, may also have
4134 been written before.
4135 So the real data starts at SCR 36000+3*1200. */
4136 mux_preload= (36000+3*1200) / 90000.0; //0.44
4137 } else if(!strcmp(arg, "svcd")) {
4139 opt_video_codec("mpeg2video");
4140 opt_audio_codec("mp2");
4143 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4144 opt_frame_rate(NULL, frame_rates[norm]);
4145 opt_default("g", norm == PAL ? "15" : "18");
4147 opt_default("b", "2040000");
4148 opt_default("maxrate", "2516000");
4149 opt_default("minrate", "0"); //1145000;
4150 opt_default("bufsize", "1835008"); //224*1024*8;
4151 opt_default("flags", "+scan_offset");
4154 opt_default("ab", "224000");
4155 audio_sample_rate = 44100;
4157 opt_default("packetsize", "2324");
4159 } else if(!strcmp(arg, "dvd")) {
4161 opt_video_codec("mpeg2video");
4162 opt_audio_codec("ac3");
4165 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4166 opt_frame_rate(NULL, frame_rates[norm]);
4167 opt_default("g", norm == PAL ? "15" : "18");
4169 opt_default("b", "6000000");
4170 opt_default("maxrate", "9000000");
4171 opt_default("minrate", "0"); //1500000;
4172 opt_default("bufsize", "1835008"); //224*1024*8;
4174 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4175 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4177 opt_default("ab", "448000");
4178 audio_sample_rate = 48000;
4180 } else if(!strncmp(arg, "dv", 2)) {
4184 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4185 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4186 (norm == PAL ? "yuv420p" : "yuv411p"));
4187 opt_frame_rate(NULL, frame_rates[norm]);
4189 audio_sample_rate = 48000;
4193 fprintf(stderr, "Unknown target: %s\n", arg);
4198 static void opt_vstats_file (const char *arg)
4200 av_free (vstats_filename);
4201 vstats_filename=av_strdup (arg);
4204 static void opt_vstats (void)
4207 time_t today2 = time(NULL);
4208 struct tm *today = localtime(&today2);
4210 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4212 opt_vstats_file(filename);
4215 static int opt_bsf(const char *opt, const char *arg)
4217 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4218 AVBitStreamFilterContext **bsfp;
4221 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4225 bsfp= *opt == 'v' ? &video_bitstream_filters :
4226 *opt == 'a' ? &audio_bitstream_filters :
4227 &subtitle_bitstream_filters;
4229 bsfp= &(*bsfp)->next;
4236 static int opt_preset(const char *opt, const char *arg)
4239 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4240 char *codec_name = *opt == 'v' ? video_codec_name :
4241 *opt == 'a' ? audio_codec_name :
4242 subtitle_codec_name;
4244 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4245 fprintf(stderr, "File for preset '%s' not found\n", arg);
4250 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4251 if(line[0] == '#' && !e)
4253 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4255 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4258 if(!strcmp(tmp, "acodec")){
4259 opt_audio_codec(tmp2);
4260 }else if(!strcmp(tmp, "vcodec")){
4261 opt_video_codec(tmp2);
4262 }else if(!strcmp(tmp, "scodec")){
4263 opt_subtitle_codec(tmp2);
4264 }else if(!strcmp(tmp, "dcodec")){
4265 opt_data_codec(tmp2);
4266 }else if(opt_default(tmp, tmp2) < 0){
4267 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4277 static const OptionDef options[] = {
4279 #include "cmdutils_common_opts.h"
4280 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4281 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4282 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4283 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4284 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4285 "outfile[,metadata]:infile[,metadata]" },
4286 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4287 "outfile[,metadata]:infile[,metadata]" },
4288 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4289 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4290 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4291 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4292 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4293 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4294 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4295 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4296 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4297 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4298 "add timings for benchmarking" },
4299 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4300 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4301 "dump each input packet" },
4302 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4303 "when dumping packets, also dump the payload" },
4304 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4305 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4306 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
4307 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4308 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4309 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4310 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4311 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4312 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4313 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4314 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4315 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4316 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4317 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4318 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4319 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4320 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4323 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4324 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4325 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4326 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4327 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4328 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4329 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4330 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4331 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4332 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4333 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4334 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4335 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4336 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4337 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4338 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4339 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4340 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4341 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4342 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4343 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4344 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4345 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4346 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4347 "use same quantizer as source (implies VBR)" },
4348 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4349 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4350 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4351 "deinterlace pictures" },
4352 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4353 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4354 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4356 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4358 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4359 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4360 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4361 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4362 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4363 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4364 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4365 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4366 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4367 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4368 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4371 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4372 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4373 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4374 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4375 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4376 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4377 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4378 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4379 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4380 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4381 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4382 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4384 /* subtitle options */
4385 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4386 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4387 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4388 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4389 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4392 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4393 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4394 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4397 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4398 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4400 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4401 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4402 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4404 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4405 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4406 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4407 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4408 /* data codec support */
4409 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4411 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4415 int main(int argc, char **argv)
4419 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4421 avcodec_register_all();
4423 avdevice_register_all();
4426 avfilter_register_all();
4430 avio_set_interrupt_cb(decode_interrupt_cb);
4437 parse_options(argc, argv, options, opt_output_file);
4439 if(nb_output_files <= 0 && nb_input_files == 0) {
4441 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4445 /* file converter / grab */
4446 if (nb_output_files <= 0) {
4447 fprintf(stderr, "At least one output file must be specified\n");
4451 if (nb_input_files == 0) {
4452 fprintf(stderr, "At least one input file must be specified\n");
4457 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4458 stream_maps, nb_stream_maps) < 0)
4460 ti = getutime() - ti;
4462 int maxrss = getmaxrss() / 1024;
4463 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4466 return ffmpeg_exit(0);