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/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "ffmpeg";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct AVStreamMap {
85 int sync_stream_index;
89 * select an input file for an output file
91 typedef struct AVMetaDataMap {
92 int file; //< file index
93 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
94 int index; //< stream/chapter/program number
97 typedef struct AVChapterMap {
102 static const OptionDef options[];
104 #define MAX_FILES 100
105 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
107 #define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
109 static const char *last_asked_format = NULL;
110 static int64_t input_files_ts_offset[MAX_FILES];
111 static double *input_files_ts_scale[MAX_FILES] = {NULL};
112 static AVCodec **input_codecs = NULL;
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 AVDictionary *output_opts[MAX_FILES];
118 static int nb_output_files = 0;
120 static AVStreamMap *stream_maps = NULL;
121 static int nb_stream_maps;
123 /* first item specifies output metadata, second is input */
124 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
125 static int nb_meta_data_maps;
126 static int metadata_global_autocopy = 1;
127 static int metadata_streams_autocopy = 1;
128 static int metadata_chapters_autocopy = 1;
130 static AVChapterMap *chapter_maps = NULL;
131 static int nb_chapter_maps;
133 /* indexed by output file stream index */
134 static int *streamid_map = NULL;
135 static int nb_streamid_map = 0;
137 static int frame_width = 0;
138 static int frame_height = 0;
139 static float frame_aspect_ratio = 0;
140 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
141 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
142 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
143 static AVRational frame_rate;
144 static float video_qscale = 0;
145 static uint16_t *intra_matrix = NULL;
146 static uint16_t *inter_matrix = NULL;
147 static const char *video_rc_override_string=NULL;
148 static int video_disable = 0;
149 static int video_discard = 0;
150 static char *video_codec_name = NULL;
151 static unsigned int video_codec_tag = 0;
152 static char *video_language = NULL;
153 static int same_quality = 0;
154 static int do_deinterlace = 0;
155 static int top_field_first = -1;
156 static int me_threshold = 0;
157 static int intra_dc_precision = 8;
158 static int loop_input = 0;
159 static int loop_output = AVFMT_NOOUTPUTLOOP;
160 static int qp_hist = 0;
162 static char *vfilters = NULL;
165 static int intra_only = 0;
166 static int audio_sample_rate = 0;
167 static int64_t channel_layout = 0;
168 #define QSCALE_NONE -99999
169 static float audio_qscale = QSCALE_NONE;
170 static int audio_disable = 0;
171 static int audio_channels = 0;
172 static char *audio_codec_name = NULL;
173 static unsigned int audio_codec_tag = 0;
174 static char *audio_language = NULL;
176 static int subtitle_disable = 0;
177 static char *subtitle_codec_name = NULL;
178 static char *subtitle_language = NULL;
179 static unsigned int subtitle_codec_tag = 0;
181 static int data_disable = 0;
182 static char *data_codec_name = NULL;
183 static unsigned int data_codec_tag = 0;
185 static float mux_preload= 0.5;
186 static float mux_max_delay= 0.7;
188 static int64_t recording_time = INT64_MAX;
189 static int64_t start_time = 0;
190 static int64_t recording_timestamp = 0;
191 static int64_t input_ts_offset = 0;
192 static int file_overwrite = 0;
193 static AVDictionary *metadata;
194 static int do_benchmark = 0;
195 static int do_hex_dump = 0;
196 static int do_pkt_dump = 0;
197 static int do_psnr = 0;
198 static int do_pass = 0;
199 static char *pass_logfilename_prefix = NULL;
200 static int audio_stream_copy = 0;
201 static int video_stream_copy = 0;
202 static int subtitle_stream_copy = 0;
203 static int data_stream_copy = 0;
204 static int video_sync_method= -1;
205 static int audio_sync_method= 0;
206 static float audio_drift_threshold= 0.1;
207 static int copy_ts= 0;
209 static int opt_shortest = 0;
210 static char *vstats_filename;
211 static FILE *vstats_file;
212 static int opt_programid = 0;
213 static int copy_initial_nonkeyframes = 0;
215 static int rate_emu = 0;
217 static int audio_volume = 256;
219 static int exit_on_error = 0;
220 static int using_stdin = 0;
221 static int verbose = 1;
222 static int thread_count= 1;
223 static int64_t video_size = 0;
224 static int64_t audio_size = 0;
225 static int64_t extra_size = 0;
226 static int nb_frames_dup = 0;
227 static int nb_frames_drop = 0;
228 static int input_sync;
229 static uint64_t limit_filesize = 0;
230 static int force_fps = 0;
231 static char *forced_key_frames = NULL;
233 static float dts_delta_threshold = 10;
235 static int64_t timer_start;
237 static uint8_t *audio_buf;
238 static uint8_t *audio_out;
239 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
241 static short *samples;
243 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
244 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
245 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
247 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
249 struct AVInputStream;
251 typedef struct AVOutputStream {
252 int file_index; /* file index */
253 int index; /* stream index in the output file */
254 int source_index; /* AVInputStream index */
255 AVStream *st; /* stream in the output file */
256 int encoding_needed; /* true if encoding needed for this stream */
258 /* input pts and corresponding output pts
260 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
261 struct AVInputStream *sync_ist; /* input stream to sync against */
262 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
263 AVBitStreamFilterContext *bitstream_filters;
268 AVFrame pict_tmp; /* temporary image for resampling */
269 struct SwsContext *img_resample_ctx; /* for image resampling */
272 int resample_pix_fmt;
273 AVRational frame_rate;
275 float frame_aspect_ratio;
277 /* forced key frames */
278 int64_t *forced_kf_pts;
284 ReSampleContext *resample; /* for audio resampling */
285 int resample_sample_fmt;
286 int resample_channels;
287 int resample_sample_rate;
289 AVAudioConvert *reformat_ctx;
290 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
294 AVFilterContext *output_video_filter;
295 AVFilterContext *input_video_filter;
296 AVFilterBufferRef *picref;
298 AVFilterGraph *graph;
304 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
305 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
307 typedef struct AVInputStream {
310 int discard; /* true if stream data should be discarded */
311 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
312 int64_t sample_index; /* current sample */
314 int64_t start; /* time when read started */
315 int64_t next_pts; /* synthetic pts for cases where pkt.pts
317 int64_t pts; /* current pts */
318 PtsCorrectionContext pts_ctx;
319 int is_start; /* is 1 at the start and after a discontinuity */
320 int showed_multi_packet_warning;
321 int is_past_recording_time;
323 AVFrame *filter_frame;
324 int has_filter_frame;
328 typedef struct AVInputFile {
329 AVFormatContext *ctx;
330 int eof_reached; /* true if eof reached */
331 int ist_index; /* index of first stream in ist_table */
332 int buffer_size; /* current total buffer size */
335 static AVInputStream *input_streams = NULL;
336 static int nb_input_streams = 0;
337 static AVInputFile *input_files = NULL;
338 static int nb_input_files = 0;
342 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
344 AVFilterContext *last_filter, *filter;
345 /** filter graph containing all filters including input & output */
346 AVCodecContext *codec = ost->st->codec;
347 AVCodecContext *icodec = ist->st->codec;
348 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
349 AVRational sample_aspect_ratio;
353 ost->graph = avfilter_graph_alloc();
355 if (ist->st->sample_aspect_ratio.num){
356 sample_aspect_ratio = ist->st->sample_aspect_ratio;
358 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
360 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
361 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
362 sample_aspect_ratio.num, sample_aspect_ratio.den);
364 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
365 "src", args, NULL, ost->graph);
368 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
369 "out", NULL, &ffsink_ctx, ost->graph);
372 last_filter = ost->input_video_filter;
374 if (codec->width != icodec->width || codec->height != icodec->height) {
375 snprintf(args, 255, "%d:%d:flags=0x%X",
379 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
380 NULL, args, NULL, ost->graph)) < 0)
382 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
384 last_filter = filter;
387 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
388 ost->graph->scale_sws_opts = av_strdup(args);
391 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
392 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
394 outputs->name = av_strdup("in");
395 outputs->filter_ctx = last_filter;
396 outputs->pad_idx = 0;
397 outputs->next = NULL;
399 inputs->name = av_strdup("out");
400 inputs->filter_ctx = ost->output_video_filter;
404 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
406 av_freep(&ost->avfilter);
408 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
412 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
415 codec->width = ost->output_video_filter->inputs[0]->w;
416 codec->height = ost->output_video_filter->inputs[0]->h;
417 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
418 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
419 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
420 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
424 #endif /* CONFIG_AVFILTER */
426 static void term_exit(void)
428 av_log(NULL, AV_LOG_QUIET, "");
431 static volatile int received_sigterm = 0;
432 static volatile int received_nb_signals = 0;
435 sigterm_handler(int sig)
437 received_sigterm = sig;
438 received_nb_signals++;
442 static void term_init(void)
444 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
445 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
447 signal(SIGXCPU, sigterm_handler);
451 static int decode_interrupt_cb(void)
453 return received_nb_signals > 1;
456 static int ffmpeg_exit(int ret)
461 for(i=0;i<nb_output_files;i++) {
462 AVFormatContext *s = output_files[i];
463 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
465 avformat_free_context(s);
466 av_free(output_streams_for_file[i]);
467 av_dict_free(&output_opts[i]);
469 for(i=0;i<nb_input_files;i++) {
470 av_close_input_file(input_files[i].ctx);
471 av_free(input_files_ts_scale[i]);
474 av_free(intra_matrix);
475 av_free(inter_matrix);
479 av_free(vstats_filename);
481 av_free(streamid_map);
482 av_free(input_codecs);
483 av_free(stream_maps);
484 av_free(meta_data_maps);
486 av_freep(&input_streams);
487 av_freep(&input_files);
489 av_free(video_codec_name);
490 av_free(audio_codec_name);
491 av_free(subtitle_codec_name);
492 av_free(data_codec_name);
497 allocated_audio_buf_size= allocated_audio_out_size= 0;
504 if (received_sigterm) {
506 "Received signal %d: terminating.\n",
507 (int) received_sigterm);
511 exit(ret); /* not all OS-es handle main() return value */
515 static void assert_avoptions(AVDictionary *m)
517 AVDictionaryEntry *t;
518 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
519 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
524 /* similar to ff_dynarray_add() and av_fast_realloc() */
525 static void *grow_array(void *array, int elem_size, int *size, int new_size)
527 if (new_size >= INT_MAX / elem_size) {
528 fprintf(stderr, "Array too big.\n");
531 if (*size < new_size) {
532 uint8_t *tmp = av_realloc(array, new_size*elem_size);
534 fprintf(stderr, "Could not alloc buffer.\n");
537 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
544 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
546 if(codec && codec->sample_fmts){
547 const enum AVSampleFormat *p= codec->sample_fmts;
549 if(*p == st->codec->sample_fmt)
553 av_log(NULL, AV_LOG_WARNING,
554 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
555 av_get_sample_fmt_name(st->codec->sample_fmt),
557 av_get_sample_fmt_name(codec->sample_fmts[0]));
558 st->codec->sample_fmt = codec->sample_fmts[0];
564 * Update the requested input sample format based on the output sample format.
565 * This is currently only used to request float output from decoders which
566 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
567 * Ideally this will be removed in the future when decoders do not do format
568 * conversion and only output in their native format.
570 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
573 /* if sample formats match or a decoder sample format has already been
574 requested, just return */
575 if (enc->sample_fmt == dec->sample_fmt ||
576 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
579 /* if decoder supports more than one output format */
580 if (dec_codec && dec_codec->sample_fmts &&
581 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
582 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
583 const enum AVSampleFormat *p;
584 int min_dec = -1, min_inc = -1;
586 /* find a matching sample format in the encoder */
587 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
588 if (*p == enc->sample_fmt) {
589 dec->request_sample_fmt = *p;
591 } else if (*p > enc->sample_fmt) {
592 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
594 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
597 /* if none match, provide the one that matches quality closest */
598 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
599 enc->sample_fmt - min_dec;
603 static void choose_sample_rate(AVStream *st, AVCodec *codec)
605 if(codec && codec->supported_samplerates){
606 const int *p= codec->supported_samplerates;
608 int best_dist=INT_MAX;
610 int dist= abs(st->codec->sample_rate - *p);
611 if(dist < best_dist){
617 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
619 st->codec->sample_rate= best;
623 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
625 if(codec && codec->pix_fmts){
626 const enum PixelFormat *p= codec->pix_fmts;
627 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
628 if(st->codec->codec_id==CODEC_ID_MJPEG){
629 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
630 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
631 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};
635 if(*p == st->codec->pix_fmt)
639 if(st->codec->pix_fmt != PIX_FMT_NONE)
640 av_log(NULL, AV_LOG_WARNING,
641 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
642 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
644 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
645 st->codec->pix_fmt = codec->pix_fmts[0];
650 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
652 int idx = oc->nb_streams - 1;
655 output_streams_for_file[file_idx] =
656 grow_array(output_streams_for_file[file_idx],
657 sizeof(*output_streams_for_file[file_idx]),
658 &nb_output_streams_for_file[file_idx],
660 ost = output_streams_for_file[file_idx][idx] =
661 av_mallocz(sizeof(AVOutputStream));
663 fprintf(stderr, "Could not alloc output stream\n");
666 ost->file_index = file_idx;
669 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
673 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
676 AVFormatContext *ic = NULL;
679 err = avformat_open_input(&ic, filename, NULL, NULL);
682 /* copy stream format */
684 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
685 for(i=0;i<ic->nb_streams;i++) {
691 // FIXME: a more elegant solution is needed
692 st = av_mallocz(sizeof(AVStream));
693 memcpy(st, ic->streams[i], sizeof(AVStream));
695 st->codec = avcodec_alloc_context();
697 print_error(filename, AVERROR(ENOMEM));
700 avcodec_copy_context(st->codec, ic->streams[i]->codec);
703 codec = avcodec_find_encoder(st->codec->codec_id);
704 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
705 if (audio_stream_copy) {
708 choose_sample_fmt(st, codec);
709 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
710 if (video_stream_copy) {
713 choose_pixel_fmt(st, codec);
716 if(st->codec->flags & CODEC_FLAG_BITEXACT)
719 new_output_stream(s, nb_output_files);
723 s->timestamp = av_gettime();
725 av_close_input_file(ic);
730 get_sync_ipts(const AVOutputStream *ost)
732 const AVInputStream *ist = ost->sync_ist;
733 return (double)(ist->pts - start_time)/AV_TIME_BASE;
736 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
740 AVPacket new_pkt= *pkt;
741 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
742 &new_pkt.data, &new_pkt.size,
743 pkt->data, pkt->size,
744 pkt->flags & AV_PKT_FLAG_KEY);
747 new_pkt.destruct= av_destruct_packet;
749 fprintf(stderr, "%s failed for stream %d, codec %s",
750 bsfc->filter->name, pkt->stream_index,
751 avctx->codec ? avctx->codec->name : "copy");
761 ret= av_interleaved_write_frame(s, pkt);
763 print_error("av_interleaved_write_frame()", ret);
768 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
770 static void do_audio_out(AVFormatContext *s,
773 unsigned char *buf, int size)
776 int64_t audio_out_size, audio_buf_size;
777 int64_t allocated_for_size= size;
779 int size_out, frame_bytes, ret, resample_changed;
780 AVCodecContext *enc= ost->st->codec;
781 AVCodecContext *dec= ist->st->codec;
782 int osize = av_get_bytes_per_sample(enc->sample_fmt);
783 int isize = av_get_bytes_per_sample(dec->sample_fmt);
784 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
787 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
788 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
789 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
790 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
791 audio_buf_size*= osize*enc->channels;
793 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
794 if(coded_bps > 8*osize)
795 audio_out_size= audio_out_size * coded_bps / (8*osize);
796 audio_out_size += FF_MIN_BUFFER_SIZE;
798 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
799 fprintf(stderr, "Buffer sizes too large\n");
803 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
804 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
805 if (!audio_buf || !audio_out){
806 fprintf(stderr, "Out of memory in do_audio_out\n");
810 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
811 ost->audio_resample = 1;
813 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
814 ost->resample_channels != dec->channels ||
815 ost->resample_sample_rate != dec->sample_rate;
817 if ((ost->audio_resample && !ost->resample) || resample_changed) {
818 if (resample_changed) {
819 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",
820 ist->file_index, ist->st->index,
821 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
822 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
823 ost->resample_sample_fmt = dec->sample_fmt;
824 ost->resample_channels = dec->channels;
825 ost->resample_sample_rate = dec->sample_rate;
827 audio_resample_close(ost->resample);
829 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
830 if (audio_sync_method <= 1 &&
831 ost->resample_sample_fmt == enc->sample_fmt &&
832 ost->resample_channels == enc->channels &&
833 ost->resample_sample_rate == enc->sample_rate) {
834 ost->resample = NULL;
835 ost->audio_resample = 0;
836 } else if (ost->audio_resample) {
837 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
838 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
839 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
840 enc->sample_rate, dec->sample_rate,
841 enc->sample_fmt, dec->sample_fmt,
843 if (!ost->resample) {
844 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
845 dec->channels, dec->sample_rate,
846 enc->channels, enc->sample_rate);
852 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
853 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
854 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
855 if (ost->reformat_ctx)
856 av_audio_convert_free(ost->reformat_ctx);
857 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
858 dec->sample_fmt, 1, NULL, 0);
859 if (!ost->reformat_ctx) {
860 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
861 av_get_sample_fmt_name(dec->sample_fmt),
862 av_get_sample_fmt_name(enc->sample_fmt));
865 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
868 if(audio_sync_method){
869 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
870 - av_fifo_size(ost->fifo)/(enc->channels * 2);
871 double idelta= delta*dec->sample_rate / enc->sample_rate;
872 int byte_delta= ((int)idelta)*2*dec->channels;
874 //FIXME resample delay
875 if(fabs(delta) > 50){
876 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
878 byte_delta= FFMAX(byte_delta, -size);
882 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
887 static uint8_t *input_tmp= NULL;
888 input_tmp= av_realloc(input_tmp, byte_delta + size);
890 if(byte_delta > allocated_for_size - size){
891 allocated_for_size= byte_delta + (int64_t)size;
896 memset(input_tmp, 0, byte_delta);
897 memcpy(input_tmp + byte_delta, buf, size);
901 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903 }else if(audio_sync_method>1){
904 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
905 av_assert0(ost->audio_resample);
907 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
908 // 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));
909 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
913 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
914 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
916 if (ost->audio_resample) {
918 size_out = audio_resample(ost->resample,
919 (short *)buftmp, (short *)buf,
920 size / (dec->channels * isize));
921 size_out = size_out * enc->channels * osize;
927 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
928 const void *ibuf[6]= {buftmp};
929 void *obuf[6]= {audio_buf};
930 int istride[6]= {isize};
931 int ostride[6]= {osize};
932 int len= size_out/istride[0];
933 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
934 printf("av_audio_convert() failed\n");
940 size_out = len*osize;
943 /* now encode as many frames as possible */
944 if (enc->frame_size > 1) {
945 /* output resampled raw samples */
946 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
947 fprintf(stderr, "av_fifo_realloc2() failed\n");
950 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
952 frame_bytes = enc->frame_size * osize * enc->channels;
954 while (av_fifo_size(ost->fifo) >= frame_bytes) {
956 av_init_packet(&pkt);
958 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
960 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
965 fprintf(stderr, "Audio encoding failed\n");
969 pkt.stream_index= ost->index;
972 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
973 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
974 pkt.flags |= AV_PKT_FLAG_KEY;
975 write_frame(s, &pkt, enc, ost->bitstream_filters);
977 ost->sync_opts += enc->frame_size;
981 av_init_packet(&pkt);
983 ost->sync_opts += size_out / (osize * enc->channels);
985 /* output a pcm frame */
986 /* determine the size of the coded buffer */
989 size_out = size_out*coded_bps/8;
991 if(size_out > audio_out_size){
992 fprintf(stderr, "Internal error, buffer size too small\n");
996 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
997 ret = avcodec_encode_audio(enc, audio_out, size_out,
1000 fprintf(stderr, "Audio encoding failed\n");
1004 pkt.stream_index= ost->index;
1005 pkt.data= audio_out;
1007 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1008 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1009 pkt.flags |= AV_PKT_FLAG_KEY;
1010 write_frame(s, &pkt, enc, ost->bitstream_filters);
1014 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1016 AVCodecContext *dec;
1017 AVPicture *picture2;
1018 AVPicture picture_tmp;
1021 dec = ist->st->codec;
1023 /* deinterlace : must be done before any resize */
1024 if (do_deinterlace) {
1027 /* create temporary picture */
1028 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1029 buf = av_malloc(size);
1033 picture2 = &picture_tmp;
1034 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036 if(avpicture_deinterlace(picture2, picture,
1037 dec->pix_fmt, dec->width, dec->height) < 0) {
1038 /* if error, do not deinterlace */
1039 fprintf(stderr, "Deinterlacing failed\n");
1048 if (picture != picture2)
1049 *picture = *picture2;
1053 /* we begin to correct av delay at this threshold */
1054 #define AV_DELAY_MAX 0.100
1056 static void do_subtitle_out(AVFormatContext *s,
1057 AVOutputStream *ost,
1062 static uint8_t *subtitle_out = NULL;
1063 int subtitle_out_max_size = 1024 * 1024;
1064 int subtitle_out_size, nb, i;
1065 AVCodecContext *enc;
1068 if (pts == AV_NOPTS_VALUE) {
1069 fprintf(stderr, "Subtitle packets must have a pts\n");
1075 enc = ost->st->codec;
1077 if (!subtitle_out) {
1078 subtitle_out = av_malloc(subtitle_out_max_size);
1081 /* Note: DVB subtitle need one packet to draw them and one other
1082 packet to clear them */
1083 /* XXX: signal it in the codec context ? */
1084 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1089 for(i = 0; i < nb; i++) {
1090 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1091 // start_display_time is required to be 0
1092 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1093 sub->end_display_time -= sub->start_display_time;
1094 sub->start_display_time = 0;
1095 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1096 subtitle_out_max_size, sub);
1097 if (subtitle_out_size < 0) {
1098 fprintf(stderr, "Subtitle encoding failed\n");
1102 av_init_packet(&pkt);
1103 pkt.stream_index = ost->index;
1104 pkt.data = subtitle_out;
1105 pkt.size = subtitle_out_size;
1106 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1107 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1108 /* XXX: the pts correction is handled here. Maybe handling
1109 it in the codec would be better */
1111 pkt.pts += 90 * sub->start_display_time;
1113 pkt.pts += 90 * sub->end_display_time;
1115 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1119 static int bit_buffer_size= 1024*256;
1120 static uint8_t *bit_buffer= NULL;
1122 static void do_video_out(AVFormatContext *s,
1123 AVOutputStream *ost,
1125 AVFrame *in_picture,
1128 int nb_frames, i, ret, resample_changed;
1129 AVFrame *final_picture, *formatted_picture;
1130 AVCodecContext *enc, *dec;
1133 enc = ost->st->codec;
1134 dec = ist->st->codec;
1136 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1138 /* by default, we output a single frame */
1143 if(video_sync_method){
1144 double vdelta = sync_ipts - ost->sync_opts;
1145 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1148 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1151 }else if(vdelta>0.6)
1152 ost->sync_opts= lrintf(sync_ipts);
1153 }else if (vdelta > 1.1)
1154 nb_frames = lrintf(vdelta);
1155 //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);
1156 if (nb_frames == 0){
1159 fprintf(stderr, "*** drop!\n");
1160 }else if (nb_frames > 1) {
1161 nb_frames_dup += nb_frames - 1;
1163 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1166 ost->sync_opts= lrintf(sync_ipts);
1168 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1172 formatted_picture = in_picture;
1173 final_picture = formatted_picture;
1175 resample_changed = ost->resample_width != dec->width ||
1176 ost->resample_height != dec->height ||
1177 ost->resample_pix_fmt != dec->pix_fmt;
1179 if (resample_changed) {
1180 av_log(NULL, AV_LOG_INFO,
1181 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1182 ist->file_index, ist->st->index,
1183 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1184 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1185 if(!ost->video_resample)
1189 #if !CONFIG_AVFILTER
1190 if (ost->video_resample) {
1191 final_picture = &ost->pict_tmp;
1192 if (resample_changed) {
1193 /* initialize a new scaler context */
1194 sws_freeContext(ost->img_resample_ctx);
1195 ost->img_resample_ctx = sws_getContext(
1196 ist->st->codec->width,
1197 ist->st->codec->height,
1198 ist->st->codec->pix_fmt,
1199 ost->st->codec->width,
1200 ost->st->codec->height,
1201 ost->st->codec->pix_fmt,
1202 ost->sws_flags, NULL, NULL, NULL);
1203 if (ost->img_resample_ctx == NULL) {
1204 fprintf(stderr, "Cannot get resampling context\n");
1208 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1209 0, ost->resample_height, final_picture->data, final_picture->linesize);
1213 /* duplicates frame if needed */
1214 for(i=0;i<nb_frames;i++) {
1216 av_init_packet(&pkt);
1217 pkt.stream_index= ost->index;
1219 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1220 /* raw pictures are written as AVPicture structure to
1221 avoid any copies. We support temorarily the older
1223 AVFrame* old_frame = enc->coded_frame;
1224 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1225 pkt.data= (uint8_t *)final_picture;
1226 pkt.size= sizeof(AVPicture);
1227 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1228 pkt.flags |= AV_PKT_FLAG_KEY;
1230 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1231 enc->coded_frame = old_frame;
1233 AVFrame big_picture;
1235 big_picture= *final_picture;
1236 /* better than nothing: use input picture interlaced
1238 big_picture.interlaced_frame = in_picture->interlaced_frame;
1239 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1240 if(top_field_first == -1)
1241 big_picture.top_field_first = in_picture->top_field_first;
1243 big_picture.top_field_first = top_field_first;
1246 /* handles sameq here. This is not correct because it may
1247 not be a global option */
1248 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1250 big_picture.pict_type = 0;
1251 // big_picture.pts = AV_NOPTS_VALUE;
1252 big_picture.pts= ost->sync_opts;
1253 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1254 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1255 if (ost->forced_kf_index < ost->forced_kf_count &&
1256 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1257 big_picture.pict_type = AV_PICTURE_TYPE_I;
1258 ost->forced_kf_index++;
1260 ret = avcodec_encode_video(enc,
1261 bit_buffer, bit_buffer_size,
1264 fprintf(stderr, "Video encoding failed\n");
1269 pkt.data= bit_buffer;
1271 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1272 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1273 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1274 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1275 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1277 if(enc->coded_frame->key_frame)
1278 pkt.flags |= AV_PKT_FLAG_KEY;
1279 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1282 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1283 // enc->frame_number-1, ret, enc->pict_type);
1284 /* if two pass, output log */
1285 if (ost->logfile && enc->stats_out) {
1286 fprintf(ost->logfile, "%s", enc->stats_out);
1291 ost->frame_number++;
1295 static double psnr(double d){
1296 return -10.0*log(d)/log(10.0);
1299 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1302 AVCodecContext *enc;
1304 double ti1, bitrate, avg_bitrate;
1306 /* this is executed just the first time do_video_stats is called */
1308 vstats_file = fopen(vstats_filename, "w");
1315 enc = ost->st->codec;
1316 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1317 frame_number = ost->frame_number;
1318 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1319 if (enc->flags&CODEC_FLAG_PSNR)
1320 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1322 fprintf(vstats_file,"f_size= %6d ", frame_size);
1323 /* compute pts value */
1324 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1328 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1329 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1330 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1331 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1332 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1336 static void print_report(AVFormatContext **output_files,
1337 AVOutputStream **ost_table, int nb_ostreams,
1341 AVOutputStream *ost;
1342 AVFormatContext *oc;
1344 AVCodecContext *enc;
1345 int frame_number, vid, i;
1346 double bitrate, ti1, pts;
1347 static int64_t last_time = -1;
1348 static int qp_histogram[52];
1350 if (!is_last_report) {
1352 /* display the report every 0.5 seconds */
1353 cur_time = av_gettime();
1354 if (last_time == -1) {
1355 last_time = cur_time;
1358 if ((cur_time - last_time) < 500000)
1360 last_time = cur_time;
1364 oc = output_files[0];
1366 total_size = avio_size(oc->pb);
1367 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1368 total_size= avio_tell(oc->pb);
1373 for(i=0;i<nb_ostreams;i++) {
1376 enc = ost->st->codec;
1377 if (!ost->st->stream_copy && enc->coded_frame)
1378 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1379 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1382 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1383 float t = (av_gettime()-timer_start) / 1000000.0;
1385 frame_number = ost->frame_number;
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1387 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1389 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1393 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1398 if (enc->flags&CODEC_FLAG_PSNR){
1400 double error, error_sum=0;
1401 double scale, scale_sum=0;
1402 char type[3]= {'Y','U','V'};
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1406 error= enc->error[j];
1407 scale= enc->width*enc->height*255.0*255.0*frame_number;
1409 error= enc->coded_frame->error[j];
1410 scale= enc->width*enc->height*255.0*255.0;
1415 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1421 /* compute min output value */
1422 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1423 if ((pts < ti1) && (pts > 0))
1429 if (verbose > 0 || is_last_report) {
1430 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1432 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1433 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1434 (double)total_size / 1024, ti1, bitrate);
1436 if (nb_frames_dup || nb_frames_drop)
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1438 nb_frames_dup, nb_frames_drop);
1441 fprintf(stderr, "%s \r", buf);
1446 if (is_last_report && verbose >= 0){
1447 int64_t raw= audio_size + video_size + extra_size;
1448 fprintf(stderr, "\n");
1449 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1453 100.0*(total_size - raw)/raw
1458 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1460 int fill_char = 0x00;
1461 if (sample_fmt == AV_SAMPLE_FMT_U8)
1463 memset(buf, fill_char, size);
1466 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1467 static int output_packet(AVInputStream *ist, int ist_index,
1468 AVOutputStream **ost_table, int nb_ostreams,
1469 const AVPacket *pkt)
1471 AVFormatContext *os;
1472 AVOutputStream *ost;
1476 void *buffer_to_free = NULL;
1477 static unsigned int samples_size= 0;
1478 AVSubtitle subtitle, *subtitle_to_free;
1479 int64_t pkt_pts = AV_NOPTS_VALUE;
1481 int frame_available;
1485 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1487 if(ist->next_pts == AV_NOPTS_VALUE)
1488 ist->next_pts= ist->pts;
1492 av_init_packet(&avpkt);
1500 if(pkt->dts != AV_NOPTS_VALUE)
1501 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1502 if(pkt->pts != AV_NOPTS_VALUE)
1503 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1505 //while we have more to decode or while the decoder did output something on EOF
1506 while (avpkt.size > 0 || (!pkt && got_output)) {
1507 uint8_t *data_buf, *decoded_data_buf;
1508 int data_size, decoded_data_size;
1510 ist->pts= ist->next_pts;
1512 if(avpkt.size && avpkt.size != pkt->size &&
1513 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1514 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1515 ist->showed_multi_packet_warning=1;
1518 /* decode the packet if needed */
1519 decoded_data_buf = NULL; /* fail safe */
1520 decoded_data_size= 0;
1521 data_buf = avpkt.data;
1522 data_size = avpkt.size;
1523 subtitle_to_free = NULL;
1524 if (ist->decoding_needed) {
1525 switch(ist->st->codec->codec_type) {
1526 case AVMEDIA_TYPE_AUDIO:{
1527 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1528 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1530 samples= av_malloc(samples_size);
1532 decoded_data_size= samples_size;
1533 /* XXX: could avoid copy if PCM 16 bits with same
1534 endianness as CPU */
1535 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1542 got_output = decoded_data_size > 0;
1543 /* Some bug in mpeg audio decoder gives */
1544 /* decoded_data_size < 0, it seems they are overflows */
1546 /* no audio frame */
1549 decoded_data_buf = (uint8_t *)samples;
1550 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1551 (ist->st->codec->sample_rate * ist->st->codec->channels);
1553 case AVMEDIA_TYPE_VIDEO:
1554 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1555 /* XXX: allocate picture correctly */
1556 avcodec_get_frame_defaults(&picture);
1557 avpkt.pts = pkt_pts;
1558 avpkt.dts = ist->pts;
1559 pkt_pts = AV_NOPTS_VALUE;
1561 ret = avcodec_decode_video2(ist->st->codec,
1562 &picture, &got_output, &avpkt);
1563 ist->st->quality= picture.quality;
1567 /* no picture yet */
1568 goto discard_packet;
1570 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1571 if (ist->st->codec->time_base.num != 0) {
1572 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1573 ist->next_pts += ((int64_t)AV_TIME_BASE *
1574 ist->st->codec->time_base.num * ticks) /
1575 ist->st->codec->time_base.den;
1578 buffer_to_free = NULL;
1579 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1581 case AVMEDIA_TYPE_SUBTITLE:
1582 ret = avcodec_decode_subtitle2(ist->st->codec,
1583 &subtitle, &got_output, &avpkt);
1587 goto discard_packet;
1589 subtitle_to_free = &subtitle;
1596 switch(ist->st->codec->codec_type) {
1597 case AVMEDIA_TYPE_AUDIO:
1598 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1599 ist->st->codec->sample_rate;
1601 case AVMEDIA_TYPE_VIDEO:
1602 if (ist->st->codec->time_base.num != 0) {
1603 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1604 ist->next_pts += ((int64_t)AV_TIME_BASE *
1605 ist->st->codec->time_base.num * ticks) /
1606 ist->st->codec->time_base.den;
1615 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1616 for (i = 0; i < nb_ostreams; i++) {
1618 if (ost->input_video_filter && ost->source_index == ist_index) {
1620 if (ist->st->sample_aspect_ratio.num)
1621 sar = ist->st->sample_aspect_ratio;
1623 sar = ist->st->codec->sample_aspect_ratio;
1624 // add it to be filtered
1625 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1633 // preprocess audio (volume)
1634 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1635 if (audio_volume != 256) {
1638 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1639 int v = ((*volp) * audio_volume + 128) >> 8;
1640 if (v < -32768) v = -32768;
1641 if (v > 32767) v = 32767;
1647 /* frame rate emulation */
1649 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1650 int64_t now = av_gettime() - ist->start;
1654 /* if output time reached then transcode raw format,
1655 encode packets and output them */
1656 if (start_time == 0 || ist->pts >= start_time)
1657 for(i=0;i<nb_ostreams;i++) {
1661 if (ost->source_index == ist_index) {
1663 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1664 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1665 while (frame_available) {
1666 AVRational ist_pts_tb;
1667 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1668 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1670 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1672 os = output_files[ost->file_index];
1674 /* set the input output pts pairs */
1675 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1677 if (ost->encoding_needed) {
1678 av_assert0(ist->decoding_needed);
1679 switch(ost->st->codec->codec_type) {
1680 case AVMEDIA_TYPE_AUDIO:
1681 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1683 case AVMEDIA_TYPE_VIDEO:
1685 if (ost->picref->video && !ost->frame_aspect_ratio)
1686 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1688 do_video_out(os, ost, ist, &picture, &frame_size);
1689 if (vstats_filename && frame_size)
1690 do_video_stats(os, ost, frame_size);
1692 case AVMEDIA_TYPE_SUBTITLE:
1693 do_subtitle_out(os, ost, ist, &subtitle,
1700 AVFrame avframe; //FIXME/XXX remove this
1702 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1704 av_init_packet(&opkt);
1706 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1707 #if !CONFIG_AVFILTER
1713 /* no reencoding needed : output the packet directly */
1714 /* force the input stream PTS */
1716 avcodec_get_frame_defaults(&avframe);
1717 ost->st->codec->coded_frame= &avframe;
1718 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1720 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1721 audio_size += data_size;
1722 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1723 video_size += data_size;
1727 opkt.stream_index= ost->index;
1728 if(pkt->pts != AV_NOPTS_VALUE)
1729 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1731 opkt.pts= AV_NOPTS_VALUE;
1733 if (pkt->dts == AV_NOPTS_VALUE)
1734 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1736 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1737 opkt.dts -= ost_tb_start_time;
1739 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1740 opkt.flags= pkt->flags;
1742 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1743 if( ost->st->codec->codec_id != CODEC_ID_H264
1744 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1745 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1747 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1748 opkt.destruct= av_destruct_packet;
1750 opkt.data = data_buf;
1751 opkt.size = data_size;
1754 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1755 ost->st->codec->frame_number++;
1756 ost->frame_number++;
1757 av_free_packet(&opkt);
1761 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1762 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1764 avfilter_unref_buffer(ost->picref);
1770 av_free(buffer_to_free);
1771 /* XXX: allocate the subtitles in the codec ? */
1772 if (subtitle_to_free) {
1773 avsubtitle_free(subtitle_to_free);
1774 subtitle_to_free = NULL;
1781 for(i=0;i<nb_ostreams;i++) {
1783 if (ost->source_index == ist_index) {
1784 AVCodecContext *enc= ost->st->codec;
1785 os = output_files[ost->file_index];
1787 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1789 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1792 if (ost->encoding_needed) {
1796 av_init_packet(&pkt);
1797 pkt.stream_index= ost->index;
1799 switch(ost->st->codec->codec_type) {
1800 case AVMEDIA_TYPE_AUDIO:
1801 fifo_bytes = av_fifo_size(ost->fifo);
1803 /* encode any samples remaining in fifo */
1804 if (fifo_bytes > 0) {
1805 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1806 int fs_tmp = enc->frame_size;
1808 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1809 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1810 enc->frame_size = fifo_bytes / (osize * enc->channels);
1812 int frame_bytes = enc->frame_size*osize*enc->channels;
1813 if (allocated_audio_buf_size < frame_bytes)
1815 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1818 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1819 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1820 ost->st->time_base.num, enc->sample_rate);
1821 enc->frame_size = fs_tmp;
1824 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1827 fprintf(stderr, "Audio encoding failed\n");
1831 pkt.flags |= AV_PKT_FLAG_KEY;
1833 case AVMEDIA_TYPE_VIDEO:
1834 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1836 fprintf(stderr, "Video encoding failed\n");
1840 if(enc->coded_frame && enc->coded_frame->key_frame)
1841 pkt.flags |= AV_PKT_FLAG_KEY;
1842 if (ost->logfile && enc->stats_out) {
1843 fprintf(ost->logfile, "%s", enc->stats_out);
1852 pkt.data= bit_buffer;
1854 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1855 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1856 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1868 static void print_sdp(AVFormatContext **avc, int n)
1872 av_sdp_create(avc, n, sdp, sizeof(sdp));
1873 printf("SDP:\n%s\n", sdp);
1877 static int copy_chapters(int infile, int outfile)
1879 AVFormatContext *is = input_files[infile].ctx;
1880 AVFormatContext *os = output_files[outfile];
1883 for (i = 0; i < is->nb_chapters; i++) {
1884 AVChapter *in_ch = is->chapters[i], *out_ch;
1885 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1886 AV_TIME_BASE_Q, in_ch->time_base);
1887 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1888 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1891 if (in_ch->end < ts_off)
1893 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1896 out_ch = av_mallocz(sizeof(AVChapter));
1898 return AVERROR(ENOMEM);
1900 out_ch->id = in_ch->id;
1901 out_ch->time_base = in_ch->time_base;
1902 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1903 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1905 if (metadata_chapters_autocopy)
1906 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1909 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1911 return AVERROR(ENOMEM);
1912 os->chapters[os->nb_chapters - 1] = out_ch;
1917 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1918 AVCodecContext *avctx)
1924 for (p = kf; *p; p++)
1927 ost->forced_kf_count = n;
1928 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1929 if (!ost->forced_kf_pts) {
1930 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1933 for (i = 0; i < n; i++) {
1934 p = i ? strchr(p, ',') + 1 : kf;
1935 t = parse_time_or_die("force_key_frames", p, 1);
1936 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1941 * The following code is the main loop of the file converter
1943 static int transcode(AVFormatContext **output_files,
1944 int nb_output_files,
1945 AVInputFile *input_files,
1947 AVStreamMap *stream_maps, int nb_stream_maps)
1949 int ret = 0, i, j, k, n, nb_ostreams = 0;
1950 AVFormatContext *is, *os;
1951 AVCodecContext *codec, *icodec;
1952 AVOutputStream *ost, **ost_table = NULL;
1956 uint8_t no_packet[MAX_FILES]={0};
1957 int no_packet_count=0;
1960 for (i = 0; i < nb_input_streams; i++)
1961 input_streams[i].start = av_gettime();
1963 /* output stream init */
1965 for(i=0;i<nb_output_files;i++) {
1966 os = output_files[i];
1967 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1968 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1969 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1970 ret = AVERROR(EINVAL);
1973 nb_ostreams += os->nb_streams;
1975 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1976 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1977 ret = AVERROR(EINVAL);
1981 /* Sanity check the mapping args -- do the input files & streams exist? */
1982 for(i=0;i<nb_stream_maps;i++) {
1983 int fi = stream_maps[i].file_index;
1984 int si = stream_maps[i].stream_index;
1986 if (fi < 0 || fi > nb_input_files - 1 ||
1987 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1988 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1989 ret = AVERROR(EINVAL);
1992 fi = stream_maps[i].sync_file_index;
1993 si = stream_maps[i].sync_stream_index;
1994 if (fi < 0 || fi > nb_input_files - 1 ||
1995 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1996 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1997 ret = AVERROR(EINVAL);
2002 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2006 for(k=0;k<nb_output_files;k++) {
2007 os = output_files[k];
2008 for(i=0;i<os->nb_streams;i++,n++) {
2010 ost = ost_table[n] = output_streams_for_file[k][i];
2011 ost->st = os->streams[i];
2012 if (nb_stream_maps > 0) {
2013 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2014 stream_maps[n].stream_index;
2016 /* Sanity check that the stream types match */
2017 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2018 int i= ost->file_index;
2019 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2020 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2021 stream_maps[n].file_index, stream_maps[n].stream_index,
2022 ost->file_index, ost->index);
2027 int best_nb_frames=-1;
2028 /* get corresponding input stream index : we select the first one with the right type */
2030 for (j = 0; j < nb_input_streams; j++) {
2032 ist = &input_streams[j];
2035 AVFormatContext *f = input_files[ist->file_index].ctx;
2037 for(pi=0; pi<f->nb_programs; pi++){
2038 AVProgram *p= f->programs[pi];
2039 if(p->id == opt_programid)
2040 for(si=0; si<p->nb_stream_indexes; si++){
2041 if(f->streams[ p->stream_index[si] ] == ist->st)
2046 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2047 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2048 if(best_nb_frames < ist->st->codec_info_nb_frames){
2049 best_nb_frames= ist->st->codec_info_nb_frames;
2050 ost->source_index = j;
2057 if(! opt_programid) {
2058 /* try again and reuse existing stream */
2059 for (j = 0; j < nb_input_streams; j++) {
2060 ist = &input_streams[j];
2061 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2062 && ist->st->discard != AVDISCARD_ALL) {
2063 ost->source_index = j;
2069 int i= ost->file_index;
2070 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2071 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2072 ost->file_index, ost->index);
2077 ist = &input_streams[ost->source_index];
2079 ost->sync_ist = (nb_stream_maps > 0) ?
2080 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2081 stream_maps[n].sync_stream_index] : ist;
2085 /* for each output stream, we compute the right encoding parameters */
2086 for(i=0;i<nb_ostreams;i++) {
2088 os = output_files[ost->file_index];
2089 ist = &input_streams[ost->source_index];
2091 codec = ost->st->codec;
2092 icodec = ist->st->codec;
2094 if (metadata_streams_autocopy)
2095 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2096 AV_DICT_DONT_OVERWRITE);
2098 ost->st->disposition = ist->st->disposition;
2099 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2100 codec->chroma_sample_location = icodec->chroma_sample_location;
2102 if (ost->st->stream_copy) {
2103 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2105 if (extra_size > INT_MAX)
2108 /* if stream_copy is selected, no need to decode or encode */
2109 codec->codec_id = icodec->codec_id;
2110 codec->codec_type = icodec->codec_type;
2112 if(!codec->codec_tag){
2113 if( !os->oformat->codec_tag
2114 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2115 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2116 codec->codec_tag = icodec->codec_tag;
2119 codec->bit_rate = icodec->bit_rate;
2120 codec->rc_max_rate = icodec->rc_max_rate;
2121 codec->rc_buffer_size = icodec->rc_buffer_size;
2122 codec->extradata= av_mallocz(extra_size);
2123 if (!codec->extradata)
2125 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2126 codec->extradata_size= icodec->extradata_size;
2127 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){
2128 codec->time_base = icodec->time_base;
2129 codec->time_base.num *= icodec->ticks_per_frame;
2130 av_reduce(&codec->time_base.num, &codec->time_base.den,
2131 codec->time_base.num, codec->time_base.den, INT_MAX);
2133 codec->time_base = ist->st->time_base;
2134 switch(codec->codec_type) {
2135 case AVMEDIA_TYPE_AUDIO:
2136 if(audio_volume != 256) {
2137 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2140 codec->channel_layout = icodec->channel_layout;
2141 codec->sample_rate = icodec->sample_rate;
2142 codec->channels = icodec->channels;
2143 codec->frame_size = icodec->frame_size;
2144 codec->audio_service_type = icodec->audio_service_type;
2145 codec->block_align= icodec->block_align;
2146 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2147 codec->block_align= 0;
2148 if(codec->codec_id == CODEC_ID_AC3)
2149 codec->block_align= 0;
2151 case AVMEDIA_TYPE_VIDEO:
2152 codec->pix_fmt = icodec->pix_fmt;
2153 codec->width = icodec->width;
2154 codec->height = icodec->height;
2155 codec->has_b_frames = icodec->has_b_frames;
2156 if (!codec->sample_aspect_ratio.num) {
2157 codec->sample_aspect_ratio =
2158 ost->st->sample_aspect_ratio =
2159 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2160 ist->st->codec->sample_aspect_ratio.num ?
2161 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2164 case AVMEDIA_TYPE_SUBTITLE:
2165 codec->width = icodec->width;
2166 codec->height = icodec->height;
2168 case AVMEDIA_TYPE_DATA:
2175 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2176 switch(codec->codec_type) {
2177 case AVMEDIA_TYPE_AUDIO:
2178 ost->fifo= av_fifo_alloc(1024);
2181 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2182 if (!codec->sample_rate) {
2183 codec->sample_rate = icodec->sample_rate;
2185 codec->sample_rate >>= icodec->lowres;
2187 choose_sample_rate(ost->st, ost->enc);
2188 codec->time_base = (AVRational){1, codec->sample_rate};
2189 if (!codec->channels)
2190 codec->channels = icodec->channels;
2191 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2192 codec->channel_layout = 0;
2193 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2194 icodec->request_channels = codec->channels;
2195 ist->decoding_needed = 1;
2196 ost->encoding_needed = 1;
2197 ost->resample_sample_fmt = icodec->sample_fmt;
2198 ost->resample_sample_rate = icodec->sample_rate;
2199 ost->resample_channels = icodec->channels;
2201 case AVMEDIA_TYPE_VIDEO:
2202 if (codec->pix_fmt == PIX_FMT_NONE)
2203 codec->pix_fmt = icodec->pix_fmt;
2204 choose_pixel_fmt(ost->st, ost->enc);
2206 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2207 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2210 ost->video_resample = codec->width != icodec->width ||
2211 codec->height != icodec->height ||
2212 codec->pix_fmt != icodec->pix_fmt;
2213 if (ost->video_resample) {
2214 #if !CONFIG_AVFILTER
2215 avcodec_get_frame_defaults(&ost->pict_tmp);
2216 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2217 codec->width, codec->height)) {
2218 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2221 ost->img_resample_ctx = sws_getContext(
2228 ost->sws_flags, NULL, NULL, NULL);
2229 if (ost->img_resample_ctx == NULL) {
2230 fprintf(stderr, "Cannot get resampling context\n");
2234 codec->bits_per_raw_sample= 0;
2236 if (!codec->width || !codec->height) {
2237 codec->width = icodec->width;
2238 codec->height = icodec->height;
2240 ost->resample_height = icodec->height;
2241 ost->resample_width = icodec->width;
2242 ost->resample_pix_fmt= icodec->pix_fmt;
2243 ost->encoding_needed = 1;
2244 ist->decoding_needed = 1;
2246 if (!ost->frame_rate.num)
2247 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2248 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2249 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2250 ost->frame_rate = ost->enc->supported_framerates[idx];
2252 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2255 if (configure_video_filters(ist, ost)) {
2256 fprintf(stderr, "Error opening filters!\n");
2261 case AVMEDIA_TYPE_SUBTITLE:
2262 ost->encoding_needed = 1;
2263 ist->decoding_needed = 1;
2270 if (ost->encoding_needed &&
2271 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2272 char logfilename[1024];
2275 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2276 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2278 if (codec->flags & CODEC_FLAG_PASS1) {
2279 f = fopen(logfilename, "wb");
2281 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2287 size_t logbuffer_size;
2288 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2289 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2292 codec->stats_in = logbuffer;
2296 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2297 int size= codec->width * codec->height;
2298 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2303 bit_buffer = av_malloc(bit_buffer_size);
2305 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2307 ret = AVERROR(ENOMEM);
2311 /* open each encoder */
2312 for(i=0;i<nb_ostreams;i++) {
2314 if (ost->encoding_needed) {
2315 AVCodec *codec = ost->enc;
2316 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2318 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2319 ost->st->codec->codec_id, ost->file_index, ost->index);
2320 ret = AVERROR(EINVAL);
2323 if (dec->subtitle_header) {
2324 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2325 if (!ost->st->codec->subtitle_header) {
2326 ret = AVERROR(ENOMEM);
2329 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2330 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2332 if (avcodec_open(ost->st->codec, codec) < 0) {
2333 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2334 ost->file_index, ost->index);
2335 ret = AVERROR(EINVAL);
2338 extra_size += ost->st->codec->extradata_size;
2342 /* open each decoder */
2343 for (i = 0; i < nb_input_streams; i++) {
2344 ist = &input_streams[i];
2345 if (ist->decoding_needed) {
2346 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2348 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2350 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2351 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2352 ret = AVERROR(EINVAL);
2356 /* update requested sample format for the decoder based on the
2357 corresponding encoder sample format */
2358 for (j = 0; j < nb_ostreams; j++) {
2360 if (ost->source_index == i) {
2361 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2366 if (avcodec_open(ist->st->codec, codec) < 0) {
2367 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2368 ist->file_index, ist->st->index);
2369 ret = AVERROR(EINVAL);
2372 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2373 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2378 for (i = 0; i < nb_input_streams; i++) {
2380 ist = &input_streams[i];
2382 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2383 ist->next_pts = AV_NOPTS_VALUE;
2384 init_pts_correction(&ist->pts_ctx);
2388 /* set meta data information from input file if required */
2389 for (i=0;i<nb_meta_data_maps;i++) {
2390 AVFormatContext *files[2];
2391 AVDictionary **meta[2];
2394 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2395 if ((index) < 0 || (index) >= (nb_elems)) {\
2396 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2398 ret = AVERROR(EINVAL);\
2402 int out_file_index = meta_data_maps[i][0].file;
2403 int in_file_index = meta_data_maps[i][1].file;
2404 if (in_file_index < 0 || out_file_index < 0)
2406 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2407 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2409 files[0] = output_files[out_file_index];
2410 files[1] = input_files[in_file_index].ctx;
2412 for (j = 0; j < 2; j++) {
2413 AVMetaDataMap *map = &meta_data_maps[i][j];
2415 switch (map->type) {
2417 meta[j] = &files[j]->metadata;
2420 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2421 meta[j] = &files[j]->streams[map->index]->metadata;
2424 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2425 meta[j] = &files[j]->chapters[map->index]->metadata;
2428 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2429 meta[j] = &files[j]->programs[map->index]->metadata;
2434 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2437 /* copy global metadata by default */
2438 if (metadata_global_autocopy) {
2440 for (i = 0; i < nb_output_files; i++)
2441 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2442 AV_DICT_DONT_OVERWRITE);
2445 /* copy chapters according to chapter maps */
2446 for (i = 0; i < nb_chapter_maps; i++) {
2447 int infile = chapter_maps[i].in_file;
2448 int outfile = chapter_maps[i].out_file;
2450 if (infile < 0 || outfile < 0)
2452 if (infile >= nb_input_files) {
2453 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2454 ret = AVERROR(EINVAL);
2457 if (outfile >= nb_output_files) {
2458 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2459 ret = AVERROR(EINVAL);
2462 copy_chapters(infile, outfile);
2465 /* copy chapters from the first input file that has them*/
2466 if (!nb_chapter_maps)
2467 for (i = 0; i < nb_input_files; i++) {
2468 if (!input_files[i].ctx->nb_chapters)
2471 for (j = 0; j < nb_output_files; j++)
2472 if ((ret = copy_chapters(i, j)) < 0)
2477 /* open files and write file headers */
2478 for(i=0;i<nb_output_files;i++) {
2479 os = output_files[i];
2480 if (avformat_write_header(os, &output_opts[i]) < 0) {
2481 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2482 ret = AVERROR(EINVAL);
2485 assert_avoptions(output_opts[i]);
2486 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2492 /* dump the file output parameters - cannot be done before in case
2494 for(i=0;i<nb_output_files;i++) {
2495 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2498 /* dump the stream mapping */
2500 fprintf(stderr, "Stream mapping:\n");
2501 for(i=0;i<nb_ostreams;i++) {
2503 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2504 input_streams[ost->source_index].file_index,
2505 input_streams[ost->source_index].st->index,
2508 if (ost->sync_ist != &input_streams[ost->source_index])
2509 fprintf(stderr, " [sync #%d.%d]",
2510 ost->sync_ist->file_index,
2511 ost->sync_ist->st->index);
2512 fprintf(stderr, "\n");
2517 fprintf(stderr, "%s\n", error);
2522 print_sdp(output_files, nb_output_files);
2526 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2529 timer_start = av_gettime();
2531 for(; received_sigterm == 0;) {
2532 int file_index, ist_index;
2541 /* select the stream that we must read now by looking at the
2542 smallest output pts */
2544 for(i=0;i<nb_ostreams;i++) {
2547 os = output_files[ost->file_index];
2548 ist = &input_streams[ost->source_index];
2549 if(ist->is_past_recording_time || no_packet[ist->file_index])
2551 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2552 ipts = (double)ist->pts;
2553 if (!input_files[ist->file_index].eof_reached){
2554 if(ipts < ipts_min) {
2556 if(input_sync ) file_index = ist->file_index;
2558 if(opts < opts_min) {
2560 if(!input_sync) file_index = ist->file_index;
2563 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2568 /* if none, if is finished */
2569 if (file_index < 0) {
2570 if(no_packet_count){
2572 memset(no_packet, 0, sizeof(no_packet));
2579 /* finish if limit size exhausted */
2580 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2583 /* read a frame from it and output it in the fifo */
2584 is = input_files[file_index].ctx;
2585 ret= av_read_frame(is, &pkt);
2586 if(ret == AVERROR(EAGAIN)){
2587 no_packet[file_index]=1;
2592 input_files[file_index].eof_reached = 1;
2600 memset(no_packet, 0, sizeof(no_packet));
2603 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2604 is->streams[pkt.stream_index]);
2606 /* the following test is needed in case new streams appear
2607 dynamically in stream : we ignore them */
2608 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2609 goto discard_packet;
2610 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2611 ist = &input_streams[ist_index];
2613 goto discard_packet;
2615 if (pkt.dts != AV_NOPTS_VALUE)
2616 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2617 if (pkt.pts != AV_NOPTS_VALUE)
2618 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2620 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2621 && input_files_ts_scale[file_index][pkt.stream_index]){
2622 if(pkt.pts != AV_NOPTS_VALUE)
2623 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2624 if(pkt.dts != AV_NOPTS_VALUE)
2625 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2628 // 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);
2629 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2630 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2631 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2632 int64_t delta= pkt_dts - ist->next_pts;
2633 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2634 input_files_ts_offset[ist->file_index]-= delta;
2636 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2637 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2638 if(pkt.pts != AV_NOPTS_VALUE)
2639 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2643 /* finish if recording time exhausted */
2644 if (recording_time != INT64_MAX &&
2645 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2646 ist->is_past_recording_time = 1;
2647 goto discard_packet;
2650 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2651 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2654 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2655 ist->file_index, ist->st->index);
2658 av_free_packet(&pkt);
2663 av_free_packet(&pkt);
2665 /* dump report by using the output first video and audio streams */
2666 print_report(output_files, ost_table, nb_ostreams, 0);
2669 /* at the end of stream, we must flush the decoder buffers */
2670 for (i = 0; i < nb_input_streams; i++) {
2671 ist = &input_streams[i];
2672 if (ist->decoding_needed) {
2673 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2679 /* write the trailer if needed and close file */
2680 for(i=0;i<nb_output_files;i++) {
2681 os = output_files[i];
2682 av_write_trailer(os);
2685 /* dump report by using the first video and audio streams */
2686 print_report(output_files, ost_table, nb_ostreams, 1);
2688 /* close each encoder */
2689 for(i=0;i<nb_ostreams;i++) {
2691 if (ost->encoding_needed) {
2692 av_freep(&ost->st->codec->stats_in);
2693 avcodec_close(ost->st->codec);
2696 avfilter_graph_free(&ost->graph);
2700 /* close each decoder */
2701 for (i = 0; i < nb_input_streams; i++) {
2702 ist = &input_streams[i];
2703 if (ist->decoding_needed) {
2704 avcodec_close(ist->st->codec);
2712 av_freep(&bit_buffer);
2715 for(i=0;i<nb_ostreams;i++) {
2718 if (ost->st->stream_copy)
2719 av_freep(&ost->st->codec->extradata);
2721 fclose(ost->logfile);
2722 ost->logfile = NULL;
2724 av_fifo_free(ost->fifo); /* works even if fifo is not
2725 initialized but set to zero */
2726 av_freep(&ost->st->codec->subtitle_header);
2727 av_free(ost->pict_tmp.data[0]);
2728 av_free(ost->forced_kf_pts);
2729 if (ost->video_resample)
2730 sws_freeContext(ost->img_resample_ctx);
2732 audio_resample_close(ost->resample);
2733 if (ost->reformat_ctx)
2734 av_audio_convert_free(ost->reformat_ctx);
2743 static int opt_format(const char *opt, const char *arg)
2745 last_asked_format = arg;
2749 static int opt_video_rc_override_string(const char *opt, const char *arg)
2751 video_rc_override_string = arg;
2755 static int opt_me_threshold(const char *opt, const char *arg)
2757 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2761 static int opt_verbose(const char *opt, const char *arg)
2763 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2767 static int opt_frame_rate(const char *opt, const char *arg)
2769 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2770 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2776 static int opt_bitrate(const char *opt, const char *arg)
2778 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2780 opt_default(opt, arg);
2782 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2783 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2788 static int opt_frame_crop(const char *opt, const char *arg)
2790 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2791 return AVERROR(EINVAL);
2794 static int opt_frame_size(const char *opt, const char *arg)
2796 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2797 fprintf(stderr, "Incorrect frame size\n");
2798 return AVERROR(EINVAL);
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 int opt_frame_pix_fmt(const char *opt, 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);
2814 return AVERROR(EINVAL);
2823 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2830 p = strchr(arg, ':');
2832 x = strtol(arg, &end, 10);
2834 y = strtol(end+1, &end, 10);
2836 ar = (double)x / (double)y;
2838 ar = strtod(arg, NULL);
2841 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2842 return AVERROR(EINVAL);
2844 frame_aspect_ratio = ar;
2848 static int opt_metadata(const char *opt, const char *arg)
2850 char *mid= strchr(arg, '=');
2853 fprintf(stderr, "Missing =\n");
2858 av_dict_set(&metadata, arg, mid, 0);
2863 static int opt_qscale(const char *opt, const char *arg)
2865 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2866 if (video_qscale == 0) {
2867 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2868 return AVERROR(EINVAL);
2873 static int opt_top_field_first(const char *opt, const char *arg)
2875 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2879 static int opt_thread_count(const char *opt, const char *arg)
2881 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2884 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2889 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2891 if (strcmp(arg, "list")) {
2892 audio_sample_fmt = av_get_sample_fmt(arg);
2893 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2894 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2895 return AVERROR(EINVAL);
2900 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2901 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2907 static int opt_audio_rate(const char *opt, const char *arg)
2909 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2913 static int opt_audio_channels(const char *opt, const char *arg)
2915 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2919 static int opt_video_channel(const char *opt, const char *arg)
2921 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2922 opt_default("channel", arg);
2926 static int opt_video_standard(const char *opt, const char *arg)
2928 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2929 opt_default("standard", arg);
2933 static int opt_codec(int *pstream_copy, char **pcodec_name,
2934 int codec_type, const char *arg)
2936 av_freep(pcodec_name);
2937 if (!strcmp(arg, "copy")) {
2940 *pcodec_name = av_strdup(arg);
2945 static int opt_audio_codec(const char *opt, const char *arg)
2947 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2950 static int opt_video_codec(const char *opt, const char *arg)
2952 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2955 static int opt_subtitle_codec(const char *opt, const char *arg)
2957 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2960 static int opt_data_codec(const char *opt, const char *arg)
2962 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2965 static int opt_codec_tag(const char *opt, const char *arg)
2968 uint32_t *codec_tag;
2970 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2971 !strcmp(opt, "vtag") ? &video_codec_tag :
2972 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2976 *codec_tag = strtol(arg, &tail, 0);
2978 *codec_tag = AV_RL32(arg);
2983 static int opt_map(const char *opt, const char *arg)
2988 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2989 m = &stream_maps[nb_stream_maps-1];
2991 m->file_index = strtol(arg, &p, 0);
2995 m->stream_index = strtol(p, &p, 0);
2998 m->sync_file_index = strtol(p, &p, 0);
3001 m->sync_stream_index = strtol(p, &p, 0);
3003 m->sync_file_index = m->file_index;
3004 m->sync_stream_index = m->stream_index;
3009 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3020 *index = strtol(++arg, endptr, 0);
3023 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3030 static int opt_map_metadata(const char *opt, const char *arg)
3032 AVMetaDataMap *m, *m1;
3035 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3036 &nb_meta_data_maps, nb_meta_data_maps + 1);
3038 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3039 m->file = strtol(arg, &p, 0);
3040 parse_meta_type(p, &m->type, &m->index, &p);
3044 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3045 m1->file = strtol(p, &p, 0);
3046 parse_meta_type(p, &m1->type, &m1->index, &p);
3048 if (m->type == 'g' || m1->type == 'g')
3049 metadata_global_autocopy = 0;
3050 if (m->type == 's' || m1->type == 's')
3051 metadata_streams_autocopy = 0;
3052 if (m->type == 'c' || m1->type == 'c')
3053 metadata_chapters_autocopy = 0;
3058 static int opt_map_meta_data(const char *opt, const char *arg)
3060 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3061 "Use -map_metadata instead.\n");
3062 return opt_map_metadata(opt, arg);
3065 static int opt_map_chapters(const char *opt, const char *arg)
3070 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3071 nb_chapter_maps + 1);
3072 c = &chapter_maps[nb_chapter_maps - 1];
3073 c->out_file = strtol(arg, &p, 0);
3077 c->in_file = strtol(p, &p, 0);
3081 static int opt_input_ts_scale(const char *opt, const char *arg)
3083 unsigned int stream;
3087 stream = strtol(arg, &p, 0);
3090 scale= strtod(p, &p);
3092 if(stream >= MAX_STREAMS)
3095 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);
3096 input_files_ts_scale[nb_input_files][stream]= scale;
3100 static int opt_recording_time(const char *opt, const char *arg)
3102 recording_time = parse_time_or_die(opt, arg, 1);
3106 static int opt_start_time(const char *opt, const char *arg)
3108 start_time = parse_time_or_die(opt, arg, 1);
3112 static int opt_recording_timestamp(const char *opt, const char *arg)
3114 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3118 static int opt_input_ts_offset(const char *opt, const char *arg)
3120 input_ts_offset = parse_time_or_die(opt, arg, 1);
3124 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3126 const char *codec_string = encoder ? "encoder" : "decoder";
3130 return CODEC_ID_NONE;
3132 avcodec_find_encoder_by_name(name) :
3133 avcodec_find_decoder_by_name(name);
3135 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3138 if(codec->type != type) {
3139 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3142 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3143 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3144 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3145 "results.\nAdd '-strict experimental' if you want to use it.\n",
3146 codec_string, codec->name);
3148 avcodec_find_encoder(codec->id) :
3149 avcodec_find_decoder(codec->id);
3150 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3151 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3152 codec_string, codec->name);
3158 static int opt_input_file(const char *opt, const char *filename)
3160 AVFormatContext *ic;
3161 AVInputFormat *file_iformat = NULL;
3162 int err, i, ret, rfps, rfps_base;
3166 if (last_asked_format) {
3167 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3168 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3171 last_asked_format = NULL;
3174 if (!strcmp(filename, "-"))
3177 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3178 !strcmp(filename, "/dev/stdin");
3180 /* get default parameters from command line */
3181 ic = avformat_alloc_context();
3183 print_error(filename, AVERROR(ENOMEM));
3186 if (audio_sample_rate) {
3187 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3188 av_dict_set(&format_opts, "sample_rate", buf, 0);
3190 if (audio_channels) {
3191 snprintf(buf, sizeof(buf), "%d", audio_channels);
3192 av_dict_set(&format_opts, "channels", buf, 0);
3194 if (frame_rate.num) {
3195 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3196 av_dict_set(&format_opts, "framerate", buf, 0);
3198 if (frame_width && frame_height) {
3199 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3200 av_dict_set(&format_opts, "video_size", buf, 0);
3202 if (frame_pix_fmt != PIX_FMT_NONE)
3203 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3205 ic->video_codec_id =
3206 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3207 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3208 ic->audio_codec_id =
3209 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3210 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3211 ic->subtitle_codec_id=
3212 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3213 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3214 ic->flags |= AVFMT_FLAG_NONBLOCK;
3216 /* open the input file with generic libav function */
3217 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3219 print_error(filename, err);
3222 assert_avoptions(format_opts);
3227 for(i=0; i<ic->nb_streams; i++){
3228 ic->streams[i]->discard= AVDISCARD_ALL;
3230 for(i=0; i<ic->nb_programs; i++){
3231 AVProgram *p= ic->programs[i];
3232 if(p->id != opt_programid){
3233 p->discard = AVDISCARD_ALL;
3236 for(j=0; j<p->nb_stream_indexes; j++){
3237 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3242 fprintf(stderr, "Specified program id not found\n");
3248 ic->loop_input = loop_input;
3250 /* Set AVCodecContext options so they will be seen by av_find_stream_info() */
3251 for (i = 0; i < ic->nb_streams; i++) {
3252 AVCodecContext *dec = ic->streams[i]->codec;
3253 switch (dec->codec_type) {
3254 case AVMEDIA_TYPE_AUDIO:
3255 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO],
3256 AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3259 case AVMEDIA_TYPE_VIDEO:
3260 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
3261 AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
3267 /* If not enough info to get the stream parameters, we decode the
3268 first frames to get it. (used in mpeg case for example) */
3269 ret = av_find_stream_info(ic);
3270 if (ret < 0 && verbose >= 0) {
3271 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3272 av_close_input_file(ic);
3276 timestamp = start_time;
3277 /* add the stream start time */
3278 if (ic->start_time != AV_NOPTS_VALUE)
3279 timestamp += ic->start_time;
3281 /* if seeking requested, we execute it */
3282 if (start_time != 0) {
3283 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3285 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3286 filename, (double)timestamp / AV_TIME_BASE);
3288 /* reset seek info */
3292 /* update the current parameters so that they match the one of the input stream */
3293 for(i=0;i<ic->nb_streams;i++) {
3294 AVStream *st = ic->streams[i];
3295 AVCodecContext *dec = st->codec;
3298 dec->thread_count = thread_count;
3299 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3301 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3302 ist = &input_streams[nb_input_streams - 1];
3304 ist->file_index = nb_input_files;
3307 switch (dec->codec_type) {
3308 case AVMEDIA_TYPE_AUDIO:
3309 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3310 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]);
3311 channel_layout = dec->channel_layout;
3312 audio_sample_fmt = dec->sample_fmt;
3314 st->discard= AVDISCARD_ALL;
3316 case AVMEDIA_TYPE_VIDEO:
3317 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3318 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]);
3319 rfps = ic->streams[i]->r_frame_rate.num;
3320 rfps_base = ic->streams[i]->r_frame_rate.den;
3322 dec->flags |= CODEC_FLAG_EMU_EDGE;
3323 dec->height >>= dec->lowres;
3324 dec->width >>= dec->lowres;
3327 dec->debug |= FF_DEBUG_MV;
3329 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3332 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3333 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3335 (float)rfps / rfps_base, rfps, rfps_base);
3339 st->discard= AVDISCARD_ALL;
3340 else if(video_discard)
3341 st->discard= video_discard;
3343 case AVMEDIA_TYPE_DATA:
3345 case AVMEDIA_TYPE_SUBTITLE:
3346 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3347 if(subtitle_disable)
3348 st->discard = AVDISCARD_ALL;
3350 case AVMEDIA_TYPE_ATTACHMENT:
3351 case AVMEDIA_TYPE_UNKNOWN:
3358 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3359 /* dump the file content */
3361 av_dump_format(ic, nb_input_files, filename, 0);
3363 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3364 input_files[nb_input_files - 1].ctx = ic;
3365 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3367 frame_rate = (AVRational){0, 0};
3368 frame_pix_fmt = PIX_FMT_NONE;
3371 audio_sample_rate = 0;
3374 av_freep(&video_codec_name);
3375 av_freep(&audio_codec_name);
3376 av_freep(&subtitle_codec_name);
3382 static void check_inputs(int *has_video_ptr,
3384 int *has_subtitle_ptr,
3387 int has_video, has_audio, has_subtitle, has_data, i, j;
3388 AVFormatContext *ic;
3395 for(j=0;j<nb_input_files;j++) {
3396 ic = input_files[j].ctx;
3397 for(i=0;i<ic->nb_streams;i++) {
3398 AVCodecContext *enc = ic->streams[i]->codec;
3399 switch(enc->codec_type) {
3400 case AVMEDIA_TYPE_AUDIO:
3403 case AVMEDIA_TYPE_VIDEO:
3406 case AVMEDIA_TYPE_SUBTITLE:
3409 case AVMEDIA_TYPE_DATA:
3410 case AVMEDIA_TYPE_ATTACHMENT:
3411 case AVMEDIA_TYPE_UNKNOWN:
3419 *has_video_ptr = has_video;
3420 *has_audio_ptr = has_audio;
3421 *has_subtitle_ptr = has_subtitle;
3422 *has_data_ptr = has_data;
3425 static void new_video_stream(AVFormatContext *oc, int file_idx)
3428 AVOutputStream *ost;
3429 AVCodecContext *video_enc;
3430 enum CodecID codec_id = CODEC_ID_NONE;
3431 AVCodec *codec= NULL;
3433 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3435 fprintf(stderr, "Could not alloc stream\n");
3438 ost = new_output_stream(oc, file_idx);
3440 if(!video_stream_copy){
3441 if (video_codec_name) {
3442 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3443 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3444 codec = avcodec_find_encoder_by_name(video_codec_name);
3447 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3448 codec = avcodec_find_encoder(codec_id);
3451 ost->frame_aspect_ratio = frame_aspect_ratio;
3452 frame_aspect_ratio = 0;
3454 ost->avfilter= vfilters;
3459 avcodec_get_context_defaults3(st->codec, codec);
3460 ost->bitstream_filters = video_bitstream_filters;
3461 video_bitstream_filters= NULL;
3463 st->codec->thread_count= thread_count;
3465 video_enc = st->codec;
3468 video_enc->codec_tag= video_codec_tag;
3470 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3471 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3472 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3475 if (video_stream_copy) {
3476 st->stream_copy = 1;
3477 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3478 video_enc->sample_aspect_ratio =
3479 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3485 ost->frame_rate = frame_rate;
3486 video_enc->codec_id = codec_id;
3487 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3489 video_enc->width = frame_width;
3490 video_enc->height = frame_height;
3491 video_enc->pix_fmt = frame_pix_fmt;
3492 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3495 video_enc->gop_size = 0;
3496 if (video_qscale || same_quality) {
3497 video_enc->flags |= CODEC_FLAG_QSCALE;
3498 video_enc->global_quality=
3499 st->quality = FF_QP2LAMBDA * video_qscale;
3503 video_enc->intra_matrix = intra_matrix;
3505 video_enc->inter_matrix = inter_matrix;
3507 p= video_rc_override_string;
3510 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3512 fprintf(stderr, "error parsing rc_override\n");
3515 video_enc->rc_override=
3516 av_realloc(video_enc->rc_override,
3517 sizeof(RcOverride)*(i+1));
3518 video_enc->rc_override[i].start_frame= start;
3519 video_enc->rc_override[i].end_frame = end;
3521 video_enc->rc_override[i].qscale= q;
3522 video_enc->rc_override[i].quality_factor= 1.0;
3525 video_enc->rc_override[i].qscale= 0;
3526 video_enc->rc_override[i].quality_factor= -q/100.0;
3531 video_enc->rc_override_count=i;
3532 if (!video_enc->rc_initial_buffer_occupancy)
3533 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3534 video_enc->me_threshold= me_threshold;
3535 video_enc->intra_dc_precision= intra_dc_precision - 8;
3538 video_enc->flags|= CODEC_FLAG_PSNR;
3543 video_enc->flags |= CODEC_FLAG_PASS1;
3545 video_enc->flags |= CODEC_FLAG_PASS2;
3549 if (forced_key_frames)
3550 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3552 if (video_language) {
3553 av_dict_set(&st->metadata, "language", video_language, 0);
3554 av_freep(&video_language);
3557 /* reset some key parameters */
3559 av_freep(&video_codec_name);
3560 av_freep(&forced_key_frames);
3561 video_stream_copy = 0;
3562 frame_pix_fmt = PIX_FMT_NONE;
3565 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3568 AVOutputStream *ost;
3569 AVCodec *codec= NULL;
3570 AVCodecContext *audio_enc;
3571 enum CodecID codec_id = CODEC_ID_NONE;
3573 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3575 fprintf(stderr, "Could not alloc stream\n");
3578 ost = new_output_stream(oc, file_idx);
3580 if(!audio_stream_copy){
3581 if (audio_codec_name) {
3582 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3583 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3584 codec = avcodec_find_encoder_by_name(audio_codec_name);
3587 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3588 codec = avcodec_find_encoder(codec_id);
3592 avcodec_get_context_defaults3(st->codec, codec);
3594 ost->bitstream_filters = audio_bitstream_filters;
3595 audio_bitstream_filters= NULL;
3597 st->codec->thread_count= thread_count;
3599 audio_enc = st->codec;
3600 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3603 audio_enc->codec_tag= audio_codec_tag;
3605 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3606 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3607 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3609 if (audio_stream_copy) {
3610 st->stream_copy = 1;
3612 audio_enc->codec_id = codec_id;
3613 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3615 if (audio_qscale > QSCALE_NONE) {
3616 audio_enc->flags |= CODEC_FLAG_QSCALE;
3617 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3620 audio_enc->channels = audio_channels;
3621 audio_enc->sample_fmt = audio_sample_fmt;
3622 if (audio_sample_rate)
3623 audio_enc->sample_rate = audio_sample_rate;
3624 audio_enc->channel_layout = channel_layout;
3625 choose_sample_fmt(st, codec);
3627 if (audio_language) {
3628 av_dict_set(&st->metadata, "language", audio_language, 0);
3629 av_freep(&audio_language);
3632 /* reset some key parameters */
3634 av_freep(&audio_codec_name);
3635 audio_stream_copy = 0;
3638 static void new_data_stream(AVFormatContext *oc, int file_idx)
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 new_output_stream(oc, file_idx);
3650 data_enc = st->codec;
3651 if (!data_stream_copy) {
3652 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3655 avcodec_get_context_defaults3(st->codec, codec);
3657 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3660 data_enc->codec_tag= data_codec_tag;
3662 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3663 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3664 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3666 if (data_stream_copy) {
3667 st->stream_copy = 1;
3671 av_freep(&data_codec_name);
3672 data_stream_copy = 0;
3675 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3678 AVOutputStream *ost;
3679 AVCodec *codec=NULL;
3680 AVCodecContext *subtitle_enc;
3681 enum CodecID codec_id = CODEC_ID_NONE;
3683 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3685 fprintf(stderr, "Could not alloc stream\n");
3688 ost = new_output_stream(oc, file_idx);
3689 subtitle_enc = st->codec;
3690 if(!subtitle_stream_copy){
3691 if (subtitle_codec_name) {
3692 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3693 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3694 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3697 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3698 codec = avcodec_find_encoder(codec_id);
3701 avcodec_get_context_defaults3(st->codec, codec);
3703 ost->bitstream_filters = subtitle_bitstream_filters;
3704 subtitle_bitstream_filters= NULL;
3706 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3708 if(subtitle_codec_tag)
3709 subtitle_enc->codec_tag= subtitle_codec_tag;
3711 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3712 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3713 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3715 if (subtitle_stream_copy) {
3716 st->stream_copy = 1;
3718 subtitle_enc->codec_id = codec_id;
3719 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3722 if (subtitle_language) {
3723 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3724 av_freep(&subtitle_language);
3727 subtitle_disable = 0;
3728 av_freep(&subtitle_codec_name);
3729 subtitle_stream_copy = 0;
3732 static int opt_new_stream(const char *opt, const char *arg)
3734 AVFormatContext *oc;
3735 int file_idx = nb_output_files - 1;
3736 if (nb_output_files <= 0) {
3737 fprintf(stderr, "At least one output file must be specified\n");
3740 oc = output_files[file_idx];
3742 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3743 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3744 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3745 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3750 /* arg format is "output-stream-index:streamid-value". */
3751 static int opt_streamid(const char *opt, const char *arg)
3757 av_strlcpy(idx_str, arg, sizeof(idx_str));
3758 p = strchr(idx_str, ':');
3761 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3766 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3767 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3768 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3772 static void opt_output_file(const char *filename)
3774 AVFormatContext *oc;
3775 int err, use_video, use_audio, use_subtitle, use_data;
3776 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3777 AVOutputFormat *file_oformat;
3779 if (!strcmp(filename, "-"))
3782 oc = avformat_alloc_context();
3784 print_error(filename, AVERROR(ENOMEM));
3788 if (last_asked_format) {
3789 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3790 if (!file_oformat) {
3791 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3794 last_asked_format = NULL;
3796 file_oformat = av_guess_format(NULL, filename, NULL);
3797 if (!file_oformat) {
3798 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3804 oc->oformat = file_oformat;
3805 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3807 if (!strcmp(file_oformat->name, "ffm") &&
3808 av_strstart(filename, "http:", NULL)) {
3809 /* special case for files sent to ffserver: we get the stream
3810 parameters from ffserver */
3811 int err = read_ffserver_streams(oc, filename);
3813 print_error(filename, err);
3817 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3818 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3819 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3820 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 */
3822 /* disable if no corresponding type found and at least one
3824 if (nb_input_files > 0) {
3825 check_inputs(&input_has_video,
3827 &input_has_subtitle,
3830 if (!input_has_video)
3832 if (!input_has_audio)
3834 if (!input_has_subtitle)
3836 if (!input_has_data)
3840 /* manual disable */
3841 if (audio_disable) use_audio = 0;
3842 if (video_disable) use_video = 0;
3843 if (subtitle_disable) use_subtitle = 0;
3844 if (data_disable) use_data = 0;
3846 if (use_video) new_video_stream(oc, nb_output_files);
3847 if (use_audio) new_audio_stream(oc, nb_output_files);
3848 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3849 if (use_data) new_data_stream(oc, nb_output_files);
3851 oc->timestamp = recording_timestamp;
3853 av_dict_copy(&oc->metadata, metadata, 0);
3854 av_dict_free(&metadata);
3857 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3858 output_files[nb_output_files++] = oc;
3860 /* check filename in case of an image number is expected */
3861 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3862 if (!av_filename_number_test(oc->filename)) {
3863 print_error(oc->filename, AVERROR(EINVAL));
3868 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3869 /* test if it already exists to avoid loosing precious files */
3870 if (!file_overwrite &&
3871 (strchr(filename, ':') == NULL ||
3872 filename[1] == ':' ||
3873 av_strstart(filename, "file:", NULL))) {
3874 if (avio_check(filename, 0) == 0) {
3876 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3878 if (!read_yesno()) {
3879 fprintf(stderr, "Not overwriting - exiting\n");
3884 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3891 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3892 print_error(filename, err);
3897 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3898 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3899 oc->loop_output = loop_output;
3900 oc->flags |= AVFMT_FLAG_NONBLOCK;
3902 frame_rate = (AVRational){0, 0};
3905 audio_sample_rate = 0;
3908 av_freep(&forced_key_frames);
3913 /* same option as mencoder */
3914 static int opt_pass(const char *opt, const char *arg)
3916 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3920 static int64_t getutime(void)
3923 struct rusage rusage;
3925 getrusage(RUSAGE_SELF, &rusage);
3926 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3927 #elif HAVE_GETPROCESSTIMES
3929 FILETIME c, e, k, u;
3930 proc = GetCurrentProcess();
3931 GetProcessTimes(proc, &c, &e, &k, &u);
3932 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3934 return av_gettime();
3938 static int64_t getmaxrss(void)
3940 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3941 struct rusage rusage;
3942 getrusage(RUSAGE_SELF, &rusage);
3943 return (int64_t)rusage.ru_maxrss * 1024;
3944 #elif HAVE_GETPROCESSMEMORYINFO
3946 PROCESS_MEMORY_COUNTERS memcounters;
3947 proc = GetCurrentProcess();
3948 memcounters.cb = sizeof(memcounters);
3949 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3950 return memcounters.PeakPagefileUsage;
3956 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3959 const char *p = str;
3966 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3973 static void opt_inter_matrix(const char *arg)
3975 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3976 parse_matrix_coeffs(inter_matrix, arg);
3979 static void opt_intra_matrix(const char *arg)
3981 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3982 parse_matrix_coeffs(intra_matrix, arg);
3985 static void show_usage(void)
3987 printf("Hyper fast Audio and Video encoder\n");
3988 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3992 static void show_help(void)
3995 AVOutputFormat *oformat = NULL;
3996 AVInputFormat *iformat = NULL;
3998 av_log_set_callback(log_callback_help);
4000 show_help_options(options, "Main options:\n",
4001 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4002 show_help_options(options, "\nAdvanced options:\n",
4003 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4005 show_help_options(options, "\nVideo options:\n",
4006 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4008 show_help_options(options, "\nAdvanced Video options:\n",
4009 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4010 OPT_VIDEO | OPT_EXPERT);
4011 show_help_options(options, "\nAudio options:\n",
4012 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4014 show_help_options(options, "\nAdvanced Audio options:\n",
4015 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4016 OPT_AUDIO | OPT_EXPERT);
4017 show_help_options(options, "\nSubtitle options:\n",
4018 OPT_SUBTITLE | OPT_GRAB,
4020 show_help_options(options, "\nAudio/Video grab options:\n",
4024 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4027 /* individual codec options */
4029 while ((c = av_codec_next(c))) {
4030 if (c->priv_class) {
4031 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4036 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4039 /* individual muxer options */
4040 while ((oformat = av_oformat_next(oformat))) {
4041 if (oformat->priv_class) {
4042 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4047 /* individual demuxer options */
4048 while ((iformat = av_iformat_next(iformat))) {
4049 if (iformat->priv_class) {
4050 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4055 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4058 static int opt_target(const char *opt, const char *arg)
4060 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4061 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4063 if(!strncmp(arg, "pal-", 4)) {
4066 } else if(!strncmp(arg, "ntsc-", 5)) {
4069 } else if(!strncmp(arg, "film-", 5)) {
4074 /* Calculate FR via float to avoid int overflow */
4075 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4078 } else if((fr == 29970) || (fr == 23976)) {
4081 /* Try to determine PAL/NTSC by peeking in the input files */
4082 if(nb_input_files) {
4084 for (j = 0; j < nb_input_files; j++) {
4085 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4086 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4087 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4089 fr = c->time_base.den * 1000 / c->time_base.num;
4093 } else if((fr == 29970) || (fr == 23976)) {
4103 if(verbose > 0 && norm != UNKNOWN)
4104 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4107 if(norm == UNKNOWN) {
4108 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4109 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4110 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4114 if(!strcmp(arg, "vcd")) {
4115 opt_video_codec("vcodec", "mpeg1video");
4116 opt_audio_codec("vcodec", "mp2");
4117 opt_format("f", "vcd");
4119 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4120 opt_frame_rate("r", frame_rates[norm]);
4121 opt_default("g", norm == PAL ? "15" : "18");
4123 opt_default("b", "1150000");
4124 opt_default("maxrate", "1150000");
4125 opt_default("minrate", "1150000");
4126 opt_default("bufsize", "327680"); // 40*1024*8;
4128 opt_default("ab", "224000");
4129 audio_sample_rate = 44100;
4132 opt_default("packetsize", "2324");
4133 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4135 /* We have to offset the PTS, so that it is consistent with the SCR.
4136 SCR starts at 36000, but the first two packs contain only padding
4137 and the first pack from the other stream, respectively, may also have
4138 been written before.
4139 So the real data starts at SCR 36000+3*1200. */
4140 mux_preload= (36000+3*1200) / 90000.0; //0.44
4141 } else if(!strcmp(arg, "svcd")) {
4143 opt_video_codec("vcodec", "mpeg2video");
4144 opt_audio_codec("acodec", "mp2");
4145 opt_format("f", "svcd");
4147 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4148 opt_frame_rate("r", frame_rates[norm]);
4149 opt_default("g", norm == PAL ? "15" : "18");
4151 opt_default("b", "2040000");
4152 opt_default("maxrate", "2516000");
4153 opt_default("minrate", "0"); //1145000;
4154 opt_default("bufsize", "1835008"); //224*1024*8;
4155 opt_default("flags", "+scan_offset");
4158 opt_default("ab", "224000");
4159 audio_sample_rate = 44100;
4161 opt_default("packetsize", "2324");
4163 } else if(!strcmp(arg, "dvd")) {
4165 opt_video_codec("vcodec", "mpeg2video");
4166 opt_audio_codec("vcodec", "ac3");
4167 opt_format("f", "dvd");
4169 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4170 opt_frame_rate("r", frame_rates[norm]);
4171 opt_default("g", norm == PAL ? "15" : "18");
4173 opt_default("b", "6000000");
4174 opt_default("maxrate", "9000000");
4175 opt_default("minrate", "0"); //1500000;
4176 opt_default("bufsize", "1835008"); //224*1024*8;
4178 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4179 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4181 opt_default("ab", "448000");
4182 audio_sample_rate = 48000;
4184 } else if(!strncmp(arg, "dv", 2)) {
4186 opt_format("f", "dv");
4188 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4189 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4190 norm == PAL ? "yuv420p" : "yuv411p");
4191 opt_frame_rate("r", frame_rates[norm]);
4193 audio_sample_rate = 48000;
4197 fprintf(stderr, "Unknown target: %s\n", arg);
4198 return AVERROR(EINVAL);
4203 static int opt_vstats_file(const char *opt, const char *arg)
4205 av_free (vstats_filename);
4206 vstats_filename=av_strdup (arg);
4210 static int opt_vstats(const char *opt, const char *arg)
4213 time_t today2 = time(NULL);
4214 struct tm *today = localtime(&today2);
4216 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4218 return opt_vstats_file(opt, filename);
4221 static int opt_bsf(const char *opt, const char *arg)
4223 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4224 AVBitStreamFilterContext **bsfp;
4227 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4231 bsfp= *opt == 'v' ? &video_bitstream_filters :
4232 *opt == 'a' ? &audio_bitstream_filters :
4233 &subtitle_bitstream_filters;
4235 bsfp= &(*bsfp)->next;
4242 static int opt_preset(const char *opt, const char *arg)
4245 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4246 char *codec_name = *opt == 'v' ? video_codec_name :
4247 *opt == 'a' ? audio_codec_name :
4248 subtitle_codec_name;
4250 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4251 fprintf(stderr, "File for preset '%s' not found\n", arg);
4256 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4257 if(line[0] == '#' && !e)
4259 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4261 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4264 if(!strcmp(tmp, "acodec")){
4265 opt_audio_codec(tmp, tmp2);
4266 }else if(!strcmp(tmp, "vcodec")){
4267 opt_video_codec(tmp, tmp2);
4268 }else if(!strcmp(tmp, "scodec")){
4269 opt_subtitle_codec(tmp, tmp2);
4270 }else if(!strcmp(tmp, "dcodec")){
4271 opt_data_codec(tmp, tmp2);
4272 }else if(opt_default(tmp, tmp2) < 0){
4273 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4283 static const OptionDef options[] = {
4285 #include "cmdutils_common_opts.h"
4286 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4287 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4288 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4289 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4290 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4291 "outfile[,metadata]:infile[,metadata]" },
4292 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4293 "outfile[,metadata]:infile[,metadata]" },
4294 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4295 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4296 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4297 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4298 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4299 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4300 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4301 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4302 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4303 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4304 "add timings for benchmarking" },
4305 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4306 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4307 "dump each input packet" },
4308 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4309 "when dumping packets, also dump the payload" },
4310 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4311 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4312 { "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)", "" },
4313 { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4314 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4315 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4316 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4317 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4318 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4319 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4320 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4321 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4322 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4323 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4324 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4325 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4328 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4329 { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4330 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4331 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4332 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4333 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4334 { "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" },
4335 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4336 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4337 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4338 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4339 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4340 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4341 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4342 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4343 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4344 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4345 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4346 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4347 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4348 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4349 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4350 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4351 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4352 "use same quantizer as source (implies VBR)" },
4353 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4354 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4355 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4356 "deinterlace pictures" },
4357 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4358 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4359 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4361 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4363 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4364 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4365 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4366 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4367 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4368 { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4369 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4370 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4371 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4372 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4373 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4376 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4377 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4378 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4379 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4380 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4381 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4382 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4383 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4384 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4385 { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4386 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4387 { "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" },
4389 /* subtitle options */
4390 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4391 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4392 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4393 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4394 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4397 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4398 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4399 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4402 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4403 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4405 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4406 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4407 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4409 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4410 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4411 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4412 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4413 /* data codec support */
4414 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4416 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4420 int main(int argc, char **argv)
4424 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4426 avcodec_register_all();
4428 avdevice_register_all();
4431 avfilter_register_all();
4435 avio_set_interrupt_cb(decode_interrupt_cb);
4442 parse_options(argc, argv, options, opt_output_file);
4444 if(nb_output_files <= 0 && nb_input_files == 0) {
4446 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4450 /* file converter / grab */
4451 if (nb_output_files <= 0) {
4452 fprintf(stderr, "At least one output file must be specified\n");
4456 if (nb_input_files == 0) {
4457 fprintf(stderr, "At least one input file must be specified\n");
4462 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4463 stream_maps, nb_stream_maps) < 0)
4465 ti = getutime() - ti;
4467 int maxrss = getmaxrss() / 1024;
4468 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4471 return ffmpeg_exit(0);