3 * Copyright (c) 2000-2011 The libav developers.
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[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
86 int sync_stream_index;
90 * select an input file for an output file
92 typedef struct MetadataMap {
93 int file; //< file index
94 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; //< stream/chapter/program number
98 static const OptionDef options[];
100 #define MAX_FILES 100
102 static const char *last_asked_format = NULL;
103 static double *ts_scale;
104 static int nb_ts_scale;
106 static AVFormatContext *output_files[MAX_FILES];
107 static AVDictionary *output_opts[MAX_FILES];
108 static int nb_output_files = 0;
110 static StreamMap *stream_maps = NULL;
111 static int nb_stream_maps;
113 /* first item specifies output metadata, second is input */
114 static MetadataMap (*meta_data_maps)[2] = NULL;
115 static int nb_meta_data_maps;
116 static int metadata_global_autocopy = 1;
117 static int metadata_streams_autocopy = 1;
118 static int metadata_chapters_autocopy = 1;
120 static int chapters_input_file = INT_MAX;
122 /* indexed by output file stream index */
123 static int *streamid_map = NULL;
124 static int nb_streamid_map = 0;
126 static int frame_width = 0;
127 static int frame_height = 0;
128 static float frame_aspect_ratio = 0;
129 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
130 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
131 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
132 static AVRational frame_rate;
133 static float video_qscale = 0;
134 static uint16_t *intra_matrix = NULL;
135 static uint16_t *inter_matrix = NULL;
136 static const char *video_rc_override_string=NULL;
137 static int video_disable = 0;
138 static int video_discard = 0;
139 static char *video_codec_name = NULL;
140 static unsigned int video_codec_tag = 0;
141 static char *video_language = NULL;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int qp_hist = 0;
149 static char *vfilters = NULL;
152 static int intra_only = 0;
153 static int audio_sample_rate = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 0;
158 static char *audio_codec_name = NULL;
159 static unsigned int audio_codec_tag = 0;
160 static char *audio_language = NULL;
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static unsigned int subtitle_codec_tag = 0;
167 static int data_disable = 0;
168 static char *data_codec_name = NULL;
169 static unsigned int data_codec_tag = 0;
171 static float mux_preload= 0.5;
172 static float mux_max_delay= 0.7;
174 static int64_t recording_time = INT64_MAX;
175 static int64_t start_time = 0;
176 static int64_t input_ts_offset = 0;
177 static int file_overwrite = 0;
178 static AVDictionary *metadata;
179 static int do_benchmark = 0;
180 static int do_hex_dump = 0;
181 static int do_pkt_dump = 0;
182 static int do_psnr = 0;
183 static int do_pass = 0;
184 static char *pass_logfilename_prefix = NULL;
185 static int audio_stream_copy = 0;
186 static int video_stream_copy = 0;
187 static int subtitle_stream_copy = 0;
188 static int data_stream_copy = 0;
189 static int video_sync_method= -1;
190 static int audio_sync_method= 0;
191 static float audio_drift_threshold= 0.1;
192 static int copy_ts= 0;
194 static int opt_shortest = 0;
195 static char *vstats_filename;
196 static FILE *vstats_file;
197 static int opt_programid = 0;
198 static int copy_initial_nonkeyframes = 0;
200 static int rate_emu = 0;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int64_t video_size = 0;
209 static int64_t audio_size = 0;
210 static int64_t extra_size = 0;
211 static int nb_frames_dup = 0;
212 static int nb_frames_drop = 0;
213 static int input_sync;
214 static uint64_t limit_filesize = 0;
215 static int force_fps = 0;
216 static char *forced_key_frames = NULL;
218 static float dts_delta_threshold = 10;
220 static int64_t timer_start;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
236 typedef struct OutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* InputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
243 /* input pts and corresponding output pts
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct InputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
248 AVBitStreamFilterContext *bitstream_filters;
253 AVFrame pict_tmp; /* temporary image for resampling */
254 struct SwsContext *img_resample_ctx; /* for image resampling */
257 int resample_pix_fmt;
258 AVRational frame_rate;
260 float frame_aspect_ratio;
262 /* forced key frames */
263 int64_t *forced_kf_pts;
269 ReSampleContext *resample; /* for audio resampling */
270 int resample_sample_fmt;
271 int resample_channels;
272 int resample_sample_rate;
274 AVAudioConvert *reformat_ctx;
275 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
279 AVFilterContext *output_video_filter;
280 AVFilterContext *input_video_filter;
281 AVFilterBufferRef *picref;
283 AVFilterGraph *graph;
290 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
291 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
293 typedef struct InputStream {
296 int discard; /* true if stream data should be discarded */
297 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
300 int64_t start; /* time when read started */
301 int64_t next_pts; /* synthetic pts for cases where pkt.pts
303 int64_t pts; /* current pts */
304 PtsCorrectionContext pts_ctx;
306 int is_start; /* is 1 at the start and after a discontinuity */
307 int showed_multi_packet_warning;
308 int is_past_recording_time;
312 typedef struct InputFile {
313 AVFormatContext *ctx;
314 int eof_reached; /* true if eof reached */
315 int ist_index; /* index of first stream in ist_table */
316 int buffer_size; /* current total buffer size */
320 static InputStream *input_streams = NULL;
321 static int nb_input_streams = 0;
322 static InputFile *input_files = NULL;
323 static int nb_input_files = 0;
327 static int configure_video_filters(InputStream *ist, OutputStream *ost)
329 AVFilterContext *last_filter, *filter;
330 /** filter graph containing all filters including input & output */
331 AVCodecContext *codec = ost->st->codec;
332 AVCodecContext *icodec = ist->st->codec;
333 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
334 AVRational sample_aspect_ratio;
338 ost->graph = avfilter_graph_alloc();
340 if (ist->st->sample_aspect_ratio.num){
341 sample_aspect_ratio = ist->st->sample_aspect_ratio;
343 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
345 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
346 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
347 sample_aspect_ratio.num, sample_aspect_ratio.den);
349 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
350 "src", args, NULL, ost->graph);
353 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
354 "out", NULL, &ffsink_ctx, ost->graph);
357 last_filter = ost->input_video_filter;
359 if (codec->width != icodec->width || codec->height != icodec->height) {
360 snprintf(args, 255, "%d:%d:flags=0x%X",
364 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
365 NULL, args, NULL, ost->graph)) < 0)
367 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
369 last_filter = filter;
372 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
373 ost->graph->scale_sws_opts = av_strdup(args);
376 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
377 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
379 outputs->name = av_strdup("in");
380 outputs->filter_ctx = last_filter;
381 outputs->pad_idx = 0;
382 outputs->next = NULL;
384 inputs->name = av_strdup("out");
385 inputs->filter_ctx = ost->output_video_filter;
389 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
391 av_freep(&ost->avfilter);
393 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
397 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
400 codec->width = ost->output_video_filter->inputs[0]->w;
401 codec->height = ost->output_video_filter->inputs[0]->h;
402 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
403 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
404 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
405 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
409 #endif /* CONFIG_AVFILTER */
411 static void term_exit(void)
413 av_log(NULL, AV_LOG_QUIET, "");
416 static volatile int received_sigterm = 0;
417 static volatile int received_nb_signals = 0;
420 sigterm_handler(int sig)
422 received_sigterm = sig;
423 received_nb_signals++;
427 static void term_init(void)
429 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
430 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
432 signal(SIGXCPU, sigterm_handler);
436 static int decode_interrupt_cb(void)
438 return received_nb_signals > 1;
441 static int exit_program(int ret)
446 for(i=0;i<nb_output_files;i++) {
447 AVFormatContext *s = output_files[i];
448 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
450 avformat_free_context(s);
451 av_free(output_streams_for_file[i]);
452 av_dict_free(&output_opts[i]);
454 for(i=0;i<nb_input_files;i++) {
455 av_close_input_file(input_files[i].ctx);
457 for (i = 0; i < nb_input_streams; i++)
458 av_dict_free(&input_streams[i].opts);
460 av_free(intra_matrix);
461 av_free(inter_matrix);
465 av_free(vstats_filename);
467 av_free(streamid_map);
468 av_free(meta_data_maps);
470 av_freep(&input_streams);
471 av_freep(&input_files);
473 av_free(video_codec_name);
474 av_free(audio_codec_name);
475 av_free(subtitle_codec_name);
476 av_free(data_codec_name);
481 allocated_audio_buf_size= allocated_audio_out_size= 0;
488 if (received_sigterm) {
490 "Received signal %d: terminating.\n",
491 (int) received_sigterm);
495 exit(ret); /* not all OS-es handle main() return value */
499 static void assert_avoptions(AVDictionary *m)
501 AVDictionaryEntry *t;
502 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
503 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
508 static void assert_codec_experimental(AVCodecContext *c, int encoder)
510 const char *codec_string = encoder ? "encoder" : "decoder";
512 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
513 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
514 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
515 "results.\nAdd '-strict experimental' if you want to use it.\n",
516 codec_string, c->codec->name);
517 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
518 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
519 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
520 codec_string, codec->name);
525 /* similar to ff_dynarray_add() and av_fast_realloc() */
526 static void *grow_array(void *array, int elem_size, int *size, int new_size)
528 if (new_size >= INT_MAX / elem_size) {
529 fprintf(stderr, "Array too big.\n");
532 if (*size < new_size) {
533 uint8_t *tmp = av_realloc(array, new_size*elem_size);
535 fprintf(stderr, "Could not alloc buffer.\n");
538 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
545 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
547 if(codec && codec->sample_fmts){
548 const enum AVSampleFormat *p= codec->sample_fmts;
550 if(*p == st->codec->sample_fmt)
554 av_log(NULL, AV_LOG_WARNING,
555 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
556 av_get_sample_fmt_name(st->codec->sample_fmt),
558 av_get_sample_fmt_name(codec->sample_fmts[0]));
559 st->codec->sample_fmt = codec->sample_fmts[0];
565 * Update the requested input sample format based on the output sample format.
566 * This is currently only used to request float output from decoders which
567 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
568 * Ideally this will be removed in the future when decoders do not do format
569 * conversion and only output in their native format.
571 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
574 /* if sample formats match or a decoder sample format has already been
575 requested, just return */
576 if (enc->sample_fmt == dec->sample_fmt ||
577 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
580 /* if decoder supports more than one output format */
581 if (dec_codec && dec_codec->sample_fmts &&
582 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
583 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
584 const enum AVSampleFormat *p;
585 int min_dec = -1, min_inc = -1;
587 /* find a matching sample format in the encoder */
588 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
589 if (*p == enc->sample_fmt) {
590 dec->request_sample_fmt = *p;
592 } else if (*p > enc->sample_fmt) {
593 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
595 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
598 /* if none match, provide the one that matches quality closest */
599 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
600 enc->sample_fmt - min_dec;
604 static void choose_sample_rate(AVStream *st, AVCodec *codec)
606 if(codec && codec->supported_samplerates){
607 const int *p= codec->supported_samplerates;
609 int best_dist=INT_MAX;
611 int dist= abs(st->codec->sample_rate - *p);
612 if(dist < best_dist){
618 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
620 st->codec->sample_rate= best;
624 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
626 if(codec && codec->pix_fmts){
627 const enum PixelFormat *p= codec->pix_fmts;
628 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
629 if(st->codec->codec_id==CODEC_ID_MJPEG){
630 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
631 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
632 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};
636 if(*p == st->codec->pix_fmt)
640 if(st->codec->pix_fmt != PIX_FMT_NONE)
641 av_log(NULL, AV_LOG_WARNING,
642 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
643 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
645 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
646 st->codec->pix_fmt = codec->pix_fmts[0];
651 static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
654 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
655 int idx = oc->nb_streams - 1;
658 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
662 output_streams_for_file[file_idx] =
663 grow_array(output_streams_for_file[file_idx],
664 sizeof(*output_streams_for_file[file_idx]),
665 &nb_output_streams_for_file[file_idx],
667 ost = output_streams_for_file[file_idx][idx] =
668 av_mallocz(sizeof(OutputStream));
670 fprintf(stderr, "Could not alloc output stream\n");
673 ost->file_index = file_idx;
678 st->codec->codec_type = codec->type;
679 ost->opts = filter_codec_opts(codec_opts, codec->id, oc, st);
682 avcodec_get_context_defaults3(st->codec, codec);
684 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
688 static int read_avserver_streams(AVFormatContext *s, const char *filename)
691 AVFormatContext *ic = NULL;
694 err = avformat_open_input(&ic, filename, NULL, NULL);
697 /* copy stream format */
698 for(i=0;i<ic->nb_streams;i++) {
703 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
704 ost = new_output_stream(s, nb_output_files, codec);
707 // FIXME: a more elegant solution is needed
708 memcpy(st, ic->streams[i], sizeof(AVStream));
710 avcodec_copy_context(st->codec, ic->streams[i]->codec);
712 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
713 if (audio_stream_copy) {
716 choose_sample_fmt(st, codec);
717 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
718 if (video_stream_copy) {
721 choose_pixel_fmt(st, codec);
724 if(st->codec->flags & CODEC_FLAG_BITEXACT)
728 av_close_input_file(ic);
733 get_sync_ipts(const OutputStream *ost)
735 const InputStream *ist = ost->sync_ist;
736 return (double)(ist->pts - start_time)/AV_TIME_BASE;
739 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
743 AVPacket new_pkt= *pkt;
744 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
745 &new_pkt.data, &new_pkt.size,
746 pkt->data, pkt->size,
747 pkt->flags & AV_PKT_FLAG_KEY);
750 new_pkt.destruct= av_destruct_packet;
752 fprintf(stderr, "%s failed for stream %d, codec %s",
753 bsfc->filter->name, pkt->stream_index,
754 avctx->codec ? avctx->codec->name : "copy");
764 ret= av_interleaved_write_frame(s, pkt);
766 print_error("av_interleaved_write_frame()", ret);
771 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
773 static void do_audio_out(AVFormatContext *s,
776 unsigned char *buf, int size)
779 int64_t audio_out_size, audio_buf_size;
780 int64_t allocated_for_size= size;
782 int size_out, frame_bytes, ret, resample_changed;
783 AVCodecContext *enc= ost->st->codec;
784 AVCodecContext *dec= ist->st->codec;
785 int osize = av_get_bytes_per_sample(enc->sample_fmt);
786 int isize = av_get_bytes_per_sample(dec->sample_fmt);
787 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
790 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
791 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
792 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
793 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
794 audio_buf_size*= osize*enc->channels;
796 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
797 if(coded_bps > 8*osize)
798 audio_out_size= audio_out_size * coded_bps / (8*osize);
799 audio_out_size += FF_MIN_BUFFER_SIZE;
801 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
802 fprintf(stderr, "Buffer sizes too large\n");
806 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
807 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
808 if (!audio_buf || !audio_out){
809 fprintf(stderr, "Out of memory in do_audio_out\n");
813 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
814 ost->audio_resample = 1;
816 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
817 ost->resample_channels != dec->channels ||
818 ost->resample_sample_rate != dec->sample_rate;
820 if ((ost->audio_resample && !ost->resample) || resample_changed) {
821 if (resample_changed) {
822 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",
823 ist->file_index, ist->st->index,
824 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
825 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
826 ost->resample_sample_fmt = dec->sample_fmt;
827 ost->resample_channels = dec->channels;
828 ost->resample_sample_rate = dec->sample_rate;
830 audio_resample_close(ost->resample);
832 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
833 if (audio_sync_method <= 1 &&
834 ost->resample_sample_fmt == enc->sample_fmt &&
835 ost->resample_channels == enc->channels &&
836 ost->resample_sample_rate == enc->sample_rate) {
837 ost->resample = NULL;
838 ost->audio_resample = 0;
839 } else if (ost->audio_resample) {
840 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
841 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
842 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
843 enc->sample_rate, dec->sample_rate,
844 enc->sample_fmt, dec->sample_fmt,
846 if (!ost->resample) {
847 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
848 dec->channels, dec->sample_rate,
849 enc->channels, enc->sample_rate);
855 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
856 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
857 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
858 if (ost->reformat_ctx)
859 av_audio_convert_free(ost->reformat_ctx);
860 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
861 dec->sample_fmt, 1, NULL, 0);
862 if (!ost->reformat_ctx) {
863 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
864 av_get_sample_fmt_name(dec->sample_fmt),
865 av_get_sample_fmt_name(enc->sample_fmt));
868 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
871 if(audio_sync_method){
872 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
873 - av_fifo_size(ost->fifo)/(enc->channels * 2);
874 double idelta= delta*dec->sample_rate / enc->sample_rate;
875 int byte_delta= ((int)idelta)*2*dec->channels;
877 //FIXME resample delay
878 if(fabs(delta) > 50){
879 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
881 byte_delta= FFMAX(byte_delta, -size);
885 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
890 static uint8_t *input_tmp= NULL;
891 input_tmp= av_realloc(input_tmp, byte_delta + size);
893 if(byte_delta > allocated_for_size - size){
894 allocated_for_size= byte_delta + (int64_t)size;
899 memset(input_tmp, 0, byte_delta);
900 memcpy(input_tmp + byte_delta, buf, size);
904 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
906 }else if(audio_sync_method>1){
907 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
908 av_assert0(ost->audio_resample);
910 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
911 // 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));
912 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
916 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
917 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
919 if (ost->audio_resample) {
921 size_out = audio_resample(ost->resample,
922 (short *)buftmp, (short *)buf,
923 size / (dec->channels * isize));
924 size_out = size_out * enc->channels * osize;
930 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
931 const void *ibuf[6]= {buftmp};
932 void *obuf[6]= {audio_buf};
933 int istride[6]= {isize};
934 int ostride[6]= {osize};
935 int len= size_out/istride[0];
936 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
937 printf("av_audio_convert() failed\n");
943 size_out = len*osize;
946 /* now encode as many frames as possible */
947 if (enc->frame_size > 1) {
948 /* output resampled raw samples */
949 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
950 fprintf(stderr, "av_fifo_realloc2() failed\n");
953 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
955 frame_bytes = enc->frame_size * osize * enc->channels;
957 while (av_fifo_size(ost->fifo) >= frame_bytes) {
959 av_init_packet(&pkt);
961 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
963 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
965 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
968 fprintf(stderr, "Audio encoding failed\n");
972 pkt.stream_index= ost->index;
975 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
976 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
977 pkt.flags |= AV_PKT_FLAG_KEY;
978 write_frame(s, &pkt, enc, ost->bitstream_filters);
980 ost->sync_opts += enc->frame_size;
984 av_init_packet(&pkt);
986 ost->sync_opts += size_out / (osize * enc->channels);
988 /* output a pcm frame */
989 /* determine the size of the coded buffer */
992 size_out = size_out*coded_bps/8;
994 if(size_out > audio_out_size){
995 fprintf(stderr, "Internal error, buffer size too small\n");
999 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1000 ret = avcodec_encode_audio(enc, audio_out, size_out,
1003 fprintf(stderr, "Audio encoding failed\n");
1007 pkt.stream_index= ost->index;
1008 pkt.data= audio_out;
1010 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1011 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1012 pkt.flags |= AV_PKT_FLAG_KEY;
1013 write_frame(s, &pkt, enc, ost->bitstream_filters);
1017 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1019 AVCodecContext *dec;
1020 AVPicture *picture2;
1021 AVPicture picture_tmp;
1024 dec = ist->st->codec;
1026 /* deinterlace : must be done before any resize */
1027 if (do_deinterlace) {
1030 /* create temporary picture */
1031 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1032 buf = av_malloc(size);
1036 picture2 = &picture_tmp;
1037 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1039 if(avpicture_deinterlace(picture2, picture,
1040 dec->pix_fmt, dec->width, dec->height) < 0) {
1041 /* if error, do not deinterlace */
1042 fprintf(stderr, "Deinterlacing failed\n");
1051 if (picture != picture2)
1052 *picture = *picture2;
1056 /* we begin to correct av delay at this threshold */
1057 #define AV_DELAY_MAX 0.100
1059 static void do_subtitle_out(AVFormatContext *s,
1065 static uint8_t *subtitle_out = NULL;
1066 int subtitle_out_max_size = 1024 * 1024;
1067 int subtitle_out_size, nb, i;
1068 AVCodecContext *enc;
1071 if (pts == AV_NOPTS_VALUE) {
1072 fprintf(stderr, "Subtitle packets must have a pts\n");
1078 enc = ost->st->codec;
1080 if (!subtitle_out) {
1081 subtitle_out = av_malloc(subtitle_out_max_size);
1084 /* Note: DVB subtitle need one packet to draw them and one other
1085 packet to clear them */
1086 /* XXX: signal it in the codec context ? */
1087 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1092 for(i = 0; i < nb; i++) {
1093 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1094 // start_display_time is required to be 0
1095 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1096 sub->end_display_time -= sub->start_display_time;
1097 sub->start_display_time = 0;
1098 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1099 subtitle_out_max_size, sub);
1100 if (subtitle_out_size < 0) {
1101 fprintf(stderr, "Subtitle encoding failed\n");
1105 av_init_packet(&pkt);
1106 pkt.stream_index = ost->index;
1107 pkt.data = subtitle_out;
1108 pkt.size = subtitle_out_size;
1109 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1110 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1111 /* XXX: the pts correction is handled here. Maybe handling
1112 it in the codec would be better */
1114 pkt.pts += 90 * sub->start_display_time;
1116 pkt.pts += 90 * sub->end_display_time;
1118 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1122 static int bit_buffer_size= 1024*256;
1123 static uint8_t *bit_buffer= NULL;
1125 static void do_video_out(AVFormatContext *s,
1128 AVFrame *in_picture,
1129 int *frame_size, float quality)
1131 int nb_frames, i, ret, resample_changed;
1132 AVFrame *final_picture, *formatted_picture;
1133 AVCodecContext *enc, *dec;
1136 enc = ost->st->codec;
1137 dec = ist->st->codec;
1139 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1141 /* by default, we output a single frame */
1146 if(video_sync_method){
1147 double vdelta = sync_ipts - ost->sync_opts;
1148 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1151 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1154 }else if(vdelta>0.6)
1155 ost->sync_opts= lrintf(sync_ipts);
1156 }else if (vdelta > 1.1)
1157 nb_frames = lrintf(vdelta);
1158 //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);
1159 if (nb_frames == 0){
1162 fprintf(stderr, "*** drop!\n");
1163 }else if (nb_frames > 1) {
1164 nb_frames_dup += nb_frames - 1;
1166 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1169 ost->sync_opts= lrintf(sync_ipts);
1171 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1175 formatted_picture = in_picture;
1176 final_picture = formatted_picture;
1178 resample_changed = ost->resample_width != dec->width ||
1179 ost->resample_height != dec->height ||
1180 ost->resample_pix_fmt != dec->pix_fmt;
1182 if (resample_changed) {
1183 av_log(NULL, AV_LOG_INFO,
1184 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1185 ist->file_index, ist->st->index,
1186 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1187 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1188 if(!ost->video_resample)
1189 ost->video_resample = 1;
1192 #if !CONFIG_AVFILTER
1193 if (ost->video_resample) {
1194 final_picture = &ost->pict_tmp;
1195 if (resample_changed) {
1196 /* initialize a new scaler context */
1197 sws_freeContext(ost->img_resample_ctx);
1198 ost->img_resample_ctx = sws_getContext(
1199 ist->st->codec->width,
1200 ist->st->codec->height,
1201 ist->st->codec->pix_fmt,
1202 ost->st->codec->width,
1203 ost->st->codec->height,
1204 ost->st->codec->pix_fmt,
1205 ost->sws_flags, NULL, NULL, NULL);
1206 if (ost->img_resample_ctx == NULL) {
1207 fprintf(stderr, "Cannot get resampling context\n");
1211 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1212 0, ost->resample_height, final_picture->data, final_picture->linesize);
1215 if (resample_changed) {
1216 avfilter_graph_free(&ost->graph);
1217 if (configure_video_filters(ist, ost)) {
1218 fprintf(stderr, "Error reinitialising filters!\n");
1223 if (resample_changed) {
1224 ost->resample_width = dec->width;
1225 ost->resample_height = dec->height;
1226 ost->resample_pix_fmt = dec->pix_fmt;
1229 /* duplicates frame if needed */
1230 for(i=0;i<nb_frames;i++) {
1232 av_init_packet(&pkt);
1233 pkt.stream_index= ost->index;
1235 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1236 /* raw pictures are written as AVPicture structure to
1237 avoid any copies. We support temorarily the older
1239 AVFrame* old_frame = enc->coded_frame;
1240 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1241 pkt.data= (uint8_t *)final_picture;
1242 pkt.size= sizeof(AVPicture);
1243 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1244 pkt.flags |= AV_PKT_FLAG_KEY;
1246 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1247 enc->coded_frame = old_frame;
1249 AVFrame big_picture;
1251 big_picture= *final_picture;
1252 /* better than nothing: use input picture interlaced
1254 big_picture.interlaced_frame = in_picture->interlaced_frame;
1255 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1256 if(top_field_first == -1)
1257 big_picture.top_field_first = in_picture->top_field_first;
1259 big_picture.top_field_first = top_field_first;
1262 /* handles sameq here. This is not correct because it may
1263 not be a global option */
1264 big_picture.quality = quality;
1266 big_picture.pict_type = 0;
1267 // big_picture.pts = AV_NOPTS_VALUE;
1268 big_picture.pts= ost->sync_opts;
1269 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1270 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1271 if (ost->forced_kf_index < ost->forced_kf_count &&
1272 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1273 big_picture.pict_type = AV_PICTURE_TYPE_I;
1274 ost->forced_kf_index++;
1276 ret = avcodec_encode_video(enc,
1277 bit_buffer, bit_buffer_size,
1280 fprintf(stderr, "Video encoding failed\n");
1285 pkt.data= bit_buffer;
1287 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1288 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1289 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1290 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1291 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1293 if(enc->coded_frame->key_frame)
1294 pkt.flags |= AV_PKT_FLAG_KEY;
1295 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1298 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1299 // enc->frame_number-1, ret, enc->pict_type);
1300 /* if two pass, output log */
1301 if (ost->logfile && enc->stats_out) {
1302 fprintf(ost->logfile, "%s", enc->stats_out);
1307 ost->frame_number++;
1311 static double psnr(double d){
1312 return -10.0*log(d)/log(10.0);
1315 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1318 AVCodecContext *enc;
1320 double ti1, bitrate, avg_bitrate;
1322 /* this is executed just the first time do_video_stats is called */
1324 vstats_file = fopen(vstats_filename, "w");
1331 enc = ost->st->codec;
1332 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1333 frame_number = ost->frame_number;
1334 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1335 if (enc->flags&CODEC_FLAG_PSNR)
1336 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1338 fprintf(vstats_file,"f_size= %6d ", frame_size);
1339 /* compute pts value */
1340 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1344 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1345 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1346 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1347 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1348 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1352 static void print_report(AVFormatContext **output_files,
1353 OutputStream **ost_table, int nb_ostreams,
1358 AVFormatContext *oc;
1360 AVCodecContext *enc;
1361 int frame_number, vid, i;
1362 double bitrate, ti1, pts;
1363 static int64_t last_time = -1;
1364 static int qp_histogram[52];
1366 if (!is_last_report) {
1368 /* display the report every 0.5 seconds */
1369 cur_time = av_gettime();
1370 if (last_time == -1) {
1371 last_time = cur_time;
1374 if ((cur_time - last_time) < 500000)
1376 last_time = cur_time;
1380 oc = output_files[0];
1382 total_size = avio_size(oc->pb);
1383 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1384 total_size= avio_tell(oc->pb);
1389 for(i=0;i<nb_ostreams;i++) {
1392 enc = ost->st->codec;
1393 if (!ost->st->stream_copy && enc->coded_frame)
1394 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1395 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1396 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1398 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1399 float t = (av_gettime()-timer_start) / 1000000.0;
1401 frame_number = ost->frame_number;
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1403 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1409 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1412 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1414 if (enc->flags&CODEC_FLAG_PSNR){
1416 double error, error_sum=0;
1417 double scale, scale_sum=0;
1418 char type[3]= {'Y','U','V'};
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1422 error= enc->error[j];
1423 scale= enc->width*enc->height*255.0*255.0*frame_number;
1425 error= enc->coded_frame->error[j];
1426 scale= enc->width*enc->height*255.0*255.0;
1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1437 /* compute min output value */
1438 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1439 if ((pts < ti1) && (pts > 0))
1445 if (verbose > 0 || is_last_report) {
1446 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1449 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1450 (double)total_size / 1024, ti1, bitrate);
1452 if (nb_frames_dup || nb_frames_drop)
1453 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1454 nb_frames_dup, nb_frames_drop);
1457 fprintf(stderr, "%s \r", buf);
1462 if (is_last_report && verbose >= 0){
1463 int64_t raw= audio_size + video_size + extra_size;
1464 fprintf(stderr, "\n");
1465 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1469 100.0*(total_size - raw)/raw
1474 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1476 int fill_char = 0x00;
1477 if (sample_fmt == AV_SAMPLE_FMT_U8)
1479 memset(buf, fill_char, size);
1482 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1483 static int output_packet(InputStream *ist, int ist_index,
1484 OutputStream **ost_table, int nb_ostreams,
1485 const AVPacket *pkt)
1487 AVFormatContext *os;
1492 void *buffer_to_free = NULL;
1493 static unsigned int samples_size= 0;
1494 AVSubtitle subtitle, *subtitle_to_free;
1495 int64_t pkt_pts = AV_NOPTS_VALUE;
1497 int frame_available;
1502 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1504 if(ist->next_pts == AV_NOPTS_VALUE)
1505 ist->next_pts= ist->pts;
1509 av_init_packet(&avpkt);
1517 if(pkt->dts != AV_NOPTS_VALUE)
1518 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1519 if(pkt->pts != AV_NOPTS_VALUE)
1520 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1522 //while we have more to decode or while the decoder did output something on EOF
1523 while (avpkt.size > 0 || (!pkt && got_output)) {
1524 uint8_t *data_buf, *decoded_data_buf;
1525 int data_size, decoded_data_size;
1527 ist->pts= ist->next_pts;
1529 if(avpkt.size && avpkt.size != pkt->size &&
1530 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1531 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1532 ist->showed_multi_packet_warning=1;
1535 /* decode the packet if needed */
1536 decoded_data_buf = NULL; /* fail safe */
1537 decoded_data_size= 0;
1538 data_buf = avpkt.data;
1539 data_size = avpkt.size;
1540 subtitle_to_free = NULL;
1541 if (ist->decoding_needed) {
1542 switch(ist->st->codec->codec_type) {
1543 case AVMEDIA_TYPE_AUDIO:{
1544 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1545 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1547 samples= av_malloc(samples_size);
1549 decoded_data_size= samples_size;
1550 /* XXX: could avoid copy if PCM 16 bits with same
1551 endianness as CPU */
1552 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1559 got_output = decoded_data_size > 0;
1560 /* Some bug in mpeg audio decoder gives */
1561 /* decoded_data_size < 0, it seems they are overflows */
1563 /* no audio frame */
1566 decoded_data_buf = (uint8_t *)samples;
1567 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1568 (ist->st->codec->sample_rate * ist->st->codec->channels);
1570 case AVMEDIA_TYPE_VIDEO:
1571 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1572 /* XXX: allocate picture correctly */
1573 avcodec_get_frame_defaults(&picture);
1574 avpkt.pts = pkt_pts;
1575 avpkt.dts = ist->pts;
1576 pkt_pts = AV_NOPTS_VALUE;
1578 ret = avcodec_decode_video2(ist->st->codec,
1579 &picture, &got_output, &avpkt);
1580 quality = same_quality ? picture.quality : 0;
1584 /* no picture yet */
1585 goto discard_packet;
1587 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1588 if (ist->st->codec->time_base.num != 0) {
1589 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1590 ist->next_pts += ((int64_t)AV_TIME_BASE *
1591 ist->st->codec->time_base.num * ticks) /
1592 ist->st->codec->time_base.den;
1595 buffer_to_free = NULL;
1596 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1598 case AVMEDIA_TYPE_SUBTITLE:
1599 ret = avcodec_decode_subtitle2(ist->st->codec,
1600 &subtitle, &got_output, &avpkt);
1604 goto discard_packet;
1606 subtitle_to_free = &subtitle;
1613 switch(ist->st->codec->codec_type) {
1614 case AVMEDIA_TYPE_AUDIO:
1615 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1616 ist->st->codec->sample_rate;
1618 case AVMEDIA_TYPE_VIDEO:
1619 if (ist->st->codec->time_base.num != 0) {
1620 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1621 ist->next_pts += ((int64_t)AV_TIME_BASE *
1622 ist->st->codec->time_base.num * ticks) /
1623 ist->st->codec->time_base.den;
1632 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1633 for (i = 0; i < nb_ostreams; i++) {
1635 if (ost->input_video_filter && ost->source_index == ist_index) {
1637 if (ist->st->sample_aspect_ratio.num)
1638 sar = ist->st->sample_aspect_ratio;
1640 sar = ist->st->codec->sample_aspect_ratio;
1641 // add it to be filtered
1642 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1650 // preprocess audio (volume)
1651 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1652 if (audio_volume != 256) {
1655 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1656 int v = ((*volp) * audio_volume + 128) >> 8;
1657 if (v < -32768) v = -32768;
1658 if (v > 32767) v = 32767;
1664 /* frame rate emulation */
1666 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1667 int64_t now = av_gettime() - ist->start;
1671 /* if output time reached then transcode raw format,
1672 encode packets and output them */
1673 if (start_time == 0 || ist->pts >= start_time)
1674 for(i=0;i<nb_ostreams;i++) {
1678 if (ost->source_index == ist_index) {
1680 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1681 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1682 while (frame_available) {
1683 AVRational ist_pts_tb;
1684 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1685 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1687 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1689 os = output_files[ost->file_index];
1691 /* set the input output pts pairs */
1692 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1694 if (ost->encoding_needed) {
1695 av_assert0(ist->decoding_needed);
1696 switch(ost->st->codec->codec_type) {
1697 case AVMEDIA_TYPE_AUDIO:
1698 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1700 case AVMEDIA_TYPE_VIDEO:
1702 if (ost->picref->video && !ost->frame_aspect_ratio)
1703 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1705 do_video_out(os, ost, ist, &picture, &frame_size,
1706 same_quality ? quality : ost->st->codec->global_quality);
1707 if (vstats_filename && frame_size)
1708 do_video_stats(os, ost, frame_size);
1710 case AVMEDIA_TYPE_SUBTITLE:
1711 do_subtitle_out(os, ost, ist, &subtitle,
1718 AVFrame avframe; //FIXME/XXX remove this
1720 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1722 av_init_packet(&opkt);
1724 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1725 #if !CONFIG_AVFILTER
1731 /* no reencoding needed : output the packet directly */
1732 /* force the input stream PTS */
1734 avcodec_get_frame_defaults(&avframe);
1735 ost->st->codec->coded_frame= &avframe;
1736 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1738 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1739 audio_size += data_size;
1740 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1741 video_size += data_size;
1745 opkt.stream_index= ost->index;
1746 if(pkt->pts != AV_NOPTS_VALUE)
1747 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1749 opkt.pts= AV_NOPTS_VALUE;
1751 if (pkt->dts == AV_NOPTS_VALUE)
1752 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1754 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1755 opkt.dts -= ost_tb_start_time;
1757 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1758 opkt.flags= pkt->flags;
1760 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1761 if( ost->st->codec->codec_id != CODEC_ID_H264
1762 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1765 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1766 opkt.destruct= av_destruct_packet;
1768 opkt.data = data_buf;
1769 opkt.size = data_size;
1772 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1773 ost->st->codec->frame_number++;
1774 ost->frame_number++;
1775 av_free_packet(&opkt);
1779 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1780 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1782 avfilter_unref_buffer(ost->picref);
1788 av_free(buffer_to_free);
1789 /* XXX: allocate the subtitles in the codec ? */
1790 if (subtitle_to_free) {
1791 avsubtitle_free(subtitle_to_free);
1792 subtitle_to_free = NULL;
1799 for(i=0;i<nb_ostreams;i++) {
1801 if (ost->source_index == ist_index) {
1802 AVCodecContext *enc= ost->st->codec;
1803 os = output_files[ost->file_index];
1805 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1807 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1810 if (ost->encoding_needed) {
1814 av_init_packet(&pkt);
1815 pkt.stream_index= ost->index;
1817 switch(ost->st->codec->codec_type) {
1818 case AVMEDIA_TYPE_AUDIO:
1819 fifo_bytes = av_fifo_size(ost->fifo);
1821 /* encode any samples remaining in fifo */
1822 if (fifo_bytes > 0) {
1823 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1824 int fs_tmp = enc->frame_size;
1826 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1827 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1828 enc->frame_size = fifo_bytes / (osize * enc->channels);
1830 int frame_bytes = enc->frame_size*osize*enc->channels;
1831 if (allocated_audio_buf_size < frame_bytes)
1833 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1836 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1837 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1838 ost->st->time_base.num, enc->sample_rate);
1839 enc->frame_size = fs_tmp;
1842 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1845 fprintf(stderr, "Audio encoding failed\n");
1849 pkt.flags |= AV_PKT_FLAG_KEY;
1851 case AVMEDIA_TYPE_VIDEO:
1852 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1854 fprintf(stderr, "Video encoding failed\n");
1858 if(enc->coded_frame && enc->coded_frame->key_frame)
1859 pkt.flags |= AV_PKT_FLAG_KEY;
1860 if (ost->logfile && enc->stats_out) {
1861 fprintf(ost->logfile, "%s", enc->stats_out);
1870 pkt.data= bit_buffer;
1872 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1873 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1874 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1884 static void print_sdp(AVFormatContext **avc, int n)
1888 av_sdp_create(avc, n, sdp, sizeof(sdp));
1889 printf("SDP:\n%s\n", sdp);
1893 static int copy_chapters(int infile, int outfile)
1895 AVFormatContext *is = input_files[infile].ctx;
1896 AVFormatContext *os = output_files[outfile];
1899 for (i = 0; i < is->nb_chapters; i++) {
1900 AVChapter *in_ch = is->chapters[i], *out_ch;
1901 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
1902 AV_TIME_BASE_Q, in_ch->time_base);
1903 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1904 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1907 if (in_ch->end < ts_off)
1909 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1912 out_ch = av_mallocz(sizeof(AVChapter));
1914 return AVERROR(ENOMEM);
1916 out_ch->id = in_ch->id;
1917 out_ch->time_base = in_ch->time_base;
1918 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1919 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1921 if (metadata_chapters_autocopy)
1922 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1925 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1927 return AVERROR(ENOMEM);
1928 os->chapters[os->nb_chapters - 1] = out_ch;
1933 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1934 AVCodecContext *avctx)
1940 for (p = kf; *p; p++)
1943 ost->forced_kf_count = n;
1944 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1945 if (!ost->forced_kf_pts) {
1946 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1949 for (i = 0; i < n; i++) {
1950 p = i ? strchr(p, ',') + 1 : kf;
1951 t = parse_time_or_die("force_key_frames", p, 1);
1952 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1957 * The following code is the main loop of the file converter
1959 static int transcode(AVFormatContext **output_files,
1960 int nb_output_files,
1961 InputFile *input_files,
1964 int ret = 0, i, j, k, n, nb_ostreams = 0;
1965 AVFormatContext *is, *os;
1966 AVCodecContext *codec, *icodec;
1967 OutputStream *ost, **ost_table = NULL;
1971 uint8_t no_packet[MAX_FILES]={0};
1972 int no_packet_count=0;
1975 for (i = 0; i < nb_input_streams; i++)
1976 input_streams[i].start = av_gettime();
1978 /* output stream init */
1980 for(i=0;i<nb_output_files;i++) {
1981 os = output_files[i];
1982 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1983 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1984 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1985 ret = AVERROR(EINVAL);
1988 nb_ostreams += os->nb_streams;
1991 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1995 for(k=0;k<nb_output_files;k++) {
1996 os = output_files[k];
1997 for (i = 0; i < os->nb_streams; i++, n++)
1998 ost_table[n] = output_streams_for_file[k][i];
2001 /* for each output stream, we compute the right encoding parameters */
2002 for(i=0;i<nb_ostreams;i++) {
2004 os = output_files[ost->file_index];
2005 ist = &input_streams[ost->source_index];
2007 codec = ost->st->codec;
2008 icodec = ist->st->codec;
2010 ost->st->disposition = ist->st->disposition;
2011 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2012 codec->chroma_sample_location = icodec->chroma_sample_location;
2014 if (ost->st->stream_copy) {
2015 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2017 if (extra_size > INT_MAX)
2020 /* if stream_copy is selected, no need to decode or encode */
2021 codec->codec_id = icodec->codec_id;
2022 codec->codec_type = icodec->codec_type;
2024 if(!codec->codec_tag){
2025 if( !os->oformat->codec_tag
2026 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2027 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2028 codec->codec_tag = icodec->codec_tag;
2031 codec->bit_rate = icodec->bit_rate;
2032 codec->rc_max_rate = icodec->rc_max_rate;
2033 codec->rc_buffer_size = icodec->rc_buffer_size;
2034 codec->extradata= av_mallocz(extra_size);
2035 if (!codec->extradata)
2037 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2038 codec->extradata_size= icodec->extradata_size;
2039 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){
2040 codec->time_base = icodec->time_base;
2041 codec->time_base.num *= icodec->ticks_per_frame;
2042 av_reduce(&codec->time_base.num, &codec->time_base.den,
2043 codec->time_base.num, codec->time_base.den, INT_MAX);
2045 codec->time_base = ist->st->time_base;
2046 switch(codec->codec_type) {
2047 case AVMEDIA_TYPE_AUDIO:
2048 if(audio_volume != 256) {
2049 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2052 codec->channel_layout = icodec->channel_layout;
2053 codec->sample_rate = icodec->sample_rate;
2054 codec->channels = icodec->channels;
2055 codec->frame_size = icodec->frame_size;
2056 codec->audio_service_type = icodec->audio_service_type;
2057 codec->block_align= icodec->block_align;
2058 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2059 codec->block_align= 0;
2060 if(codec->codec_id == CODEC_ID_AC3)
2061 codec->block_align= 0;
2063 case AVMEDIA_TYPE_VIDEO:
2064 codec->pix_fmt = icodec->pix_fmt;
2065 codec->width = icodec->width;
2066 codec->height = icodec->height;
2067 codec->has_b_frames = icodec->has_b_frames;
2068 if (!codec->sample_aspect_ratio.num) {
2069 codec->sample_aspect_ratio =
2070 ost->st->sample_aspect_ratio =
2071 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2072 ist->st->codec->sample_aspect_ratio.num ?
2073 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2076 case AVMEDIA_TYPE_SUBTITLE:
2077 codec->width = icodec->width;
2078 codec->height = icodec->height;
2080 case AVMEDIA_TYPE_DATA:
2087 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2088 switch(codec->codec_type) {
2089 case AVMEDIA_TYPE_AUDIO:
2090 ost->fifo= av_fifo_alloc(1024);
2093 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2094 if (!codec->sample_rate) {
2095 codec->sample_rate = icodec->sample_rate;
2097 codec->sample_rate >>= icodec->lowres;
2099 choose_sample_rate(ost->st, ost->enc);
2100 codec->time_base = (AVRational){1, codec->sample_rate};
2101 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2102 codec->sample_fmt = icodec->sample_fmt;
2103 choose_sample_fmt(ost->st, ost->enc);
2104 if (!codec->channels)
2105 codec->channels = icodec->channels;
2106 codec->channel_layout = icodec->channel_layout;
2107 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2108 codec->channel_layout = 0;
2109 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2110 icodec->request_channels = codec->channels;
2111 ist->decoding_needed = 1;
2112 ost->encoding_needed = 1;
2113 ost->resample_sample_fmt = icodec->sample_fmt;
2114 ost->resample_sample_rate = icodec->sample_rate;
2115 ost->resample_channels = icodec->channels;
2117 case AVMEDIA_TYPE_VIDEO:
2118 if (codec->pix_fmt == PIX_FMT_NONE)
2119 codec->pix_fmt = icodec->pix_fmt;
2120 choose_pixel_fmt(ost->st, ost->enc);
2122 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2123 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2127 if (!codec->width || !codec->height) {
2128 codec->width = icodec->width;
2129 codec->height = icodec->height;
2132 ost->video_resample = codec->width != icodec->width ||
2133 codec->height != icodec->height ||
2134 codec->pix_fmt != icodec->pix_fmt;
2135 if (ost->video_resample) {
2136 #if !CONFIG_AVFILTER
2137 avcodec_get_frame_defaults(&ost->pict_tmp);
2138 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2139 codec->width, codec->height)) {
2140 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2143 ost->img_resample_ctx = sws_getContext(
2150 ost->sws_flags, NULL, NULL, NULL);
2151 if (ost->img_resample_ctx == NULL) {
2152 fprintf(stderr, "Cannot get resampling context\n");
2156 codec->bits_per_raw_sample= 0;
2159 ost->resample_height = icodec->height;
2160 ost->resample_width = icodec->width;
2161 ost->resample_pix_fmt= icodec->pix_fmt;
2162 ost->encoding_needed = 1;
2163 ist->decoding_needed = 1;
2165 if (!ost->frame_rate.num)
2166 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2167 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2168 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2169 ost->frame_rate = ost->enc->supported_framerates[idx];
2171 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2174 if (configure_video_filters(ist, ost)) {
2175 fprintf(stderr, "Error opening filters!\n");
2180 case AVMEDIA_TYPE_SUBTITLE:
2181 ost->encoding_needed = 1;
2182 ist->decoding_needed = 1;
2189 if (ost->encoding_needed &&
2190 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2191 char logfilename[1024];
2194 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2195 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2197 if (codec->flags & CODEC_FLAG_PASS1) {
2198 f = fopen(logfilename, "wb");
2200 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2206 size_t logbuffer_size;
2207 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2208 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2211 codec->stats_in = logbuffer;
2215 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2216 int size= codec->width * codec->height;
2217 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2222 bit_buffer = av_malloc(bit_buffer_size);
2224 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2226 ret = AVERROR(ENOMEM);
2230 /* open each encoder */
2231 for(i=0;i<nb_ostreams;i++) {
2233 if (ost->encoding_needed) {
2234 AVCodec *codec = ost->enc;
2235 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2237 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2238 ost->st->codec->codec_id, ost->file_index, ost->index);
2239 ret = AVERROR(EINVAL);
2242 if (dec->subtitle_header) {
2243 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2244 if (!ost->st->codec->subtitle_header) {
2245 ret = AVERROR(ENOMEM);
2248 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2249 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2251 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2252 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2253 ost->file_index, ost->index);
2254 ret = AVERROR(EINVAL);
2257 assert_codec_experimental(ost->st->codec, 1);
2258 assert_avoptions(ost->opts);
2259 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2260 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2261 "It takes bits/s as argument, not kbits/s\n");
2262 extra_size += ost->st->codec->extradata_size;
2266 /* open each decoder */
2267 for (i = 0; i < nb_input_streams; i++) {
2268 ist = &input_streams[i];
2269 if (ist->decoding_needed) {
2270 AVCodec *codec = ist->dec;
2272 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2274 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2275 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2276 ret = AVERROR(EINVAL);
2280 /* update requested sample format for the decoder based on the
2281 corresponding encoder sample format */
2282 for (j = 0; j < nb_ostreams; j++) {
2284 if (ost->source_index == i) {
2285 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2290 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2291 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2292 ist->file_index, ist->st->index);
2293 ret = AVERROR(EINVAL);
2296 assert_codec_experimental(ist->st->codec, 0);
2297 assert_avoptions(ost->opts);
2302 for (i = 0; i < nb_input_streams; i++) {
2304 ist = &input_streams[i];
2306 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2307 ist->next_pts = AV_NOPTS_VALUE;
2308 init_pts_correction(&ist->pts_ctx);
2312 /* open files and write file headers */
2313 for(i=0;i<nb_output_files;i++) {
2314 os = output_files[i];
2315 if (avformat_write_header(os, &output_opts[i]) < 0) {
2316 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2317 ret = AVERROR(EINVAL);
2320 assert_avoptions(output_opts[i]);
2321 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2327 /* dump the file output parameters - cannot be done before in case
2329 for(i=0;i<nb_output_files;i++) {
2330 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2333 /* dump the stream mapping */
2335 fprintf(stderr, "Stream mapping:\n");
2336 for(i=0;i<nb_ostreams;i++) {
2338 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2339 input_streams[ost->source_index].file_index,
2340 input_streams[ost->source_index].st->index,
2343 if (ost->sync_ist != &input_streams[ost->source_index])
2344 fprintf(stderr, " [sync #%d.%d]",
2345 ost->sync_ist->file_index,
2346 ost->sync_ist->st->index);
2347 fprintf(stderr, "\n");
2352 fprintf(stderr, "%s\n", error);
2357 print_sdp(output_files, nb_output_files);
2361 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2364 timer_start = av_gettime();
2366 for(; received_sigterm == 0;) {
2367 int file_index, ist_index;
2376 /* select the stream that we must read now by looking at the
2377 smallest output pts */
2379 for(i=0;i<nb_ostreams;i++) {
2382 os = output_files[ost->file_index];
2383 ist = &input_streams[ost->source_index];
2384 if(ist->is_past_recording_time || no_packet[ist->file_index])
2386 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2387 ipts = (double)ist->pts;
2388 if (!input_files[ist->file_index].eof_reached){
2389 if(ipts < ipts_min) {
2391 if(input_sync ) file_index = ist->file_index;
2393 if(opts < opts_min) {
2395 if(!input_sync) file_index = ist->file_index;
2398 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2403 /* if none, if is finished */
2404 if (file_index < 0) {
2405 if(no_packet_count){
2407 memset(no_packet, 0, sizeof(no_packet));
2414 /* finish if limit size exhausted */
2415 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2418 /* read a frame from it and output it in the fifo */
2419 is = input_files[file_index].ctx;
2420 ret= av_read_frame(is, &pkt);
2421 if(ret == AVERROR(EAGAIN)){
2422 no_packet[file_index]=1;
2427 input_files[file_index].eof_reached = 1;
2435 memset(no_packet, 0, sizeof(no_packet));
2438 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2439 is->streams[pkt.stream_index]);
2441 /* the following test is needed in case new streams appear
2442 dynamically in stream : we ignore them */
2443 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2444 goto discard_packet;
2445 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2446 ist = &input_streams[ist_index];
2448 goto discard_packet;
2450 if (pkt.dts != AV_NOPTS_VALUE)
2451 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2452 if (pkt.pts != AV_NOPTS_VALUE)
2453 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2455 if (ist->ts_scale) {
2456 if(pkt.pts != AV_NOPTS_VALUE)
2457 pkt.pts *= ist->ts_scale;
2458 if(pkt.dts != AV_NOPTS_VALUE)
2459 pkt.dts *= ist->ts_scale;
2462 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2463 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2464 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2465 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2466 int64_t delta= pkt_dts - ist->next_pts;
2467 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2468 input_files[ist->file_index].ts_offset -= delta;
2470 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2471 delta, input_files[ist->file_index].ts_offset);
2472 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2473 if(pkt.pts != AV_NOPTS_VALUE)
2474 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2478 /* finish if recording time exhausted */
2479 if (recording_time != INT64_MAX &&
2480 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2481 ist->is_past_recording_time = 1;
2482 goto discard_packet;
2485 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2486 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2489 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2490 ist->file_index, ist->st->index);
2493 av_free_packet(&pkt);
2498 av_free_packet(&pkt);
2500 /* dump report by using the output first video and audio streams */
2501 print_report(output_files, ost_table, nb_ostreams, 0);
2504 /* at the end of stream, we must flush the decoder buffers */
2505 for (i = 0; i < nb_input_streams; i++) {
2506 ist = &input_streams[i];
2507 if (ist->decoding_needed) {
2508 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2514 /* write the trailer if needed and close file */
2515 for(i=0;i<nb_output_files;i++) {
2516 os = output_files[i];
2517 av_write_trailer(os);
2520 /* dump report by using the first video and audio streams */
2521 print_report(output_files, ost_table, nb_ostreams, 1);
2523 /* close each encoder */
2524 for(i=0;i<nb_ostreams;i++) {
2526 if (ost->encoding_needed) {
2527 av_freep(&ost->st->codec->stats_in);
2528 avcodec_close(ost->st->codec);
2531 avfilter_graph_free(&ost->graph);
2535 /* close each decoder */
2536 for (i = 0; i < nb_input_streams; i++) {
2537 ist = &input_streams[i];
2538 if (ist->decoding_needed) {
2539 avcodec_close(ist->st->codec);
2547 av_freep(&bit_buffer);
2550 for(i=0;i<nb_ostreams;i++) {
2553 if (ost->st->stream_copy)
2554 av_freep(&ost->st->codec->extradata);
2556 fclose(ost->logfile);
2557 ost->logfile = NULL;
2559 av_fifo_free(ost->fifo); /* works even if fifo is not
2560 initialized but set to zero */
2561 av_freep(&ost->st->codec->subtitle_header);
2562 av_free(ost->pict_tmp.data[0]);
2563 av_free(ost->forced_kf_pts);
2564 if (ost->video_resample)
2565 sws_freeContext(ost->img_resample_ctx);
2567 audio_resample_close(ost->resample);
2568 if (ost->reformat_ctx)
2569 av_audio_convert_free(ost->reformat_ctx);
2570 av_dict_free(&ost->opts);
2579 static int opt_format(const char *opt, const char *arg)
2581 last_asked_format = arg;
2585 static int opt_video_rc_override_string(const char *opt, const char *arg)
2587 video_rc_override_string = arg;
2591 static int opt_me_threshold(const char *opt, const char *arg)
2593 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2597 static int opt_verbose(const char *opt, const char *arg)
2599 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2603 static int opt_frame_rate(const char *opt, const char *arg)
2605 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2606 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2612 static int opt_frame_crop(const char *opt, const char *arg)
2614 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2615 return AVERROR(EINVAL);
2618 static int opt_frame_size(const char *opt, const char *arg)
2620 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2621 fprintf(stderr, "Incorrect frame size\n");
2622 return AVERROR(EINVAL);
2627 static int opt_pad(const char *opt, const char *arg) {
2628 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2632 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2634 if (strcmp(arg, "list")) {
2635 frame_pix_fmt = av_get_pix_fmt(arg);
2636 if (frame_pix_fmt == PIX_FMT_NONE) {
2637 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2638 return AVERROR(EINVAL);
2647 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2654 p = strchr(arg, ':');
2656 x = strtol(arg, &end, 10);
2658 y = strtol(end+1, &end, 10);
2660 ar = (double)x / (double)y;
2662 ar = strtod(arg, NULL);
2665 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2666 return AVERROR(EINVAL);
2668 frame_aspect_ratio = ar;
2672 static int opt_metadata(const char *opt, const char *arg)
2674 char *mid= strchr(arg, '=');
2677 fprintf(stderr, "Missing =\n");
2682 av_dict_set(&metadata, arg, mid, 0);
2687 static int opt_qscale(const char *opt, const char *arg)
2689 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2690 if (video_qscale == 0) {
2691 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2692 return AVERROR(EINVAL);
2697 static int opt_top_field_first(const char *opt, const char *arg)
2699 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2703 static int opt_thread_count(const char *opt, const char *arg)
2705 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2708 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2713 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2715 if (strcmp(arg, "list")) {
2716 audio_sample_fmt = av_get_sample_fmt(arg);
2717 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2718 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2719 return AVERROR(EINVAL);
2724 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2725 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2731 static int opt_audio_rate(const char *opt, const char *arg)
2733 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2737 static int opt_audio_channels(const char *opt, const char *arg)
2739 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2743 static int opt_codec(int *pstream_copy, char **pcodec_name,
2744 int codec_type, const char *arg)
2746 av_freep(pcodec_name);
2747 if (!strcmp(arg, "copy")) {
2750 *pcodec_name = av_strdup(arg);
2755 static int opt_audio_codec(const char *opt, const char *arg)
2757 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2760 static int opt_video_codec(const char *opt, const char *arg)
2762 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2765 static int opt_subtitle_codec(const char *opt, const char *arg)
2767 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2770 static int opt_data_codec(const char *opt, const char *arg)
2772 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2775 static int opt_codec_tag(const char *opt, const char *arg)
2778 uint32_t *codec_tag;
2780 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2781 !strcmp(opt, "vtag") ? &video_codec_tag :
2782 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2786 *codec_tag = strtol(arg, &tail, 0);
2788 *codec_tag = AV_RL32(arg);
2793 static int opt_map(const char *opt, const char *arg)
2795 StreamMap *m = NULL;
2796 int i, negative = 0, file_idx;
2797 int sync_file_idx = -1, sync_stream_idx;
2805 map = av_strdup(arg);
2807 /* parse sync stream first, just pick first matching stream */
2808 if (sync = strchr(map, ',')) {
2810 sync_file_idx = strtol(sync + 1, &sync, 0);
2811 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2812 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2817 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2818 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2819 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2820 sync_stream_idx = i;
2823 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2824 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2825 "match any streams.\n", arg);
2831 file_idx = strtol(map, &p, 0);
2832 if (file_idx >= nb_input_files || file_idx < 0) {
2833 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2837 /* disable some already defined maps */
2838 for (i = 0; i < nb_stream_maps; i++) {
2839 m = &stream_maps[i];
2840 if (check_stream_specifier(input_files[m->file_index].ctx,
2841 input_files[m->file_index].ctx->streams[m->stream_index],
2842 *p == ':' ? p + 1 : p) > 0)
2846 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2847 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2848 *p == ':' ? p + 1 : p) <= 0)
2850 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2851 m = &stream_maps[nb_stream_maps - 1];
2853 m->file_index = file_idx;
2854 m->stream_index = i;
2856 if (sync_file_idx >= 0) {
2857 m->sync_file_index = sync_file_idx;
2858 m->sync_stream_index = sync_stream_idx;
2860 m->sync_file_index = file_idx;
2861 m->sync_stream_index = i;
2866 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2874 static void parse_meta_type(char *arg, char *type, int *index)
2884 if (*(++arg) == ':')
2885 *index = strtol(++arg, NULL, 0);
2888 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2895 static int opt_map_metadata(const char *opt, const char *arg)
2897 MetadataMap *m, *m1;
2900 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2901 &nb_meta_data_maps, nb_meta_data_maps + 1);
2903 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2904 m->file = strtol(arg, &p, 0);
2905 parse_meta_type(p, &m->type, &m->index);
2907 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2908 if (p = strchr(opt, ':'))
2909 parse_meta_type(p, &m1->type, &m1->index);
2913 if (m->type == 'g' || m1->type == 'g')
2914 metadata_global_autocopy = 0;
2915 if (m->type == 's' || m1->type == 's')
2916 metadata_streams_autocopy = 0;
2917 if (m->type == 'c' || m1->type == 'c')
2918 metadata_chapters_autocopy = 0;
2923 static int opt_input_ts_scale(const char *opt, const char *arg)
2925 unsigned int stream;
2929 stream = strtol(arg, &p, 0);
2932 scale= strtod(p, &p);
2934 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2935 ts_scale[stream] = scale;
2939 static int opt_recording_time(const char *opt, const char *arg)
2941 recording_time = parse_time_or_die(opt, arg, 1);
2945 static int opt_start_time(const char *opt, const char *arg)
2947 start_time = parse_time_or_die(opt, arg, 1);
2951 static int opt_input_ts_offset(const char *opt, const char *arg)
2953 input_ts_offset = parse_time_or_die(opt, arg, 1);
2957 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2959 const char *codec_string = encoder ? "encoder" : "decoder";
2963 return CODEC_ID_NONE;
2965 avcodec_find_encoder_by_name(name) :
2966 avcodec_find_decoder_by_name(name);
2968 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2971 if(codec->type != type) {
2972 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2978 static int opt_input_file(const char *opt, const char *filename)
2980 AVFormatContext *ic;
2981 AVInputFormat *file_iformat = NULL;
2982 int err, i, ret, rfps, rfps_base;
2985 AVDictionary **opts;
2986 int orig_nb_streams; // number of streams before avformat_find_stream_info
2988 if (last_asked_format) {
2989 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2990 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2993 last_asked_format = NULL;
2996 if (!strcmp(filename, "-"))
2999 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3000 !strcmp(filename, "/dev/stdin");
3002 /* get default parameters from command line */
3003 ic = avformat_alloc_context();
3005 print_error(filename, AVERROR(ENOMEM));
3008 if (audio_sample_rate) {
3009 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3010 av_dict_set(&format_opts, "sample_rate", buf, 0);
3012 if (audio_channels) {
3013 snprintf(buf, sizeof(buf), "%d", audio_channels);
3014 av_dict_set(&format_opts, "channels", buf, 0);
3016 if (frame_rate.num) {
3017 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3018 av_dict_set(&format_opts, "framerate", buf, 0);
3020 if (frame_width && frame_height) {
3021 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3022 av_dict_set(&format_opts, "video_size", buf, 0);
3024 if (frame_pix_fmt != PIX_FMT_NONE)
3025 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3027 ic->video_codec_id =
3028 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3029 ic->audio_codec_id =
3030 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3031 ic->subtitle_codec_id=
3032 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3033 ic->flags |= AVFMT_FLAG_NONBLOCK;
3035 /* open the input file with generic libav function */
3036 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3038 print_error(filename, err);
3041 assert_avoptions(format_opts);
3046 for(i=0; i<ic->nb_streams; i++){
3047 ic->streams[i]->discard= AVDISCARD_ALL;
3049 for(i=0; i<ic->nb_programs; i++){
3050 AVProgram *p= ic->programs[i];
3051 if(p->id != opt_programid){
3052 p->discard = AVDISCARD_ALL;
3055 for(j=0; j<p->nb_stream_indexes; j++){
3056 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3061 fprintf(stderr, "Specified program id not found\n");
3067 /* Set AVCodecContext options for avformat_find_stream_info */
3068 opts = setup_find_stream_info_opts(ic, codec_opts);
3069 orig_nb_streams = ic->nb_streams;
3071 /* If not enough info to get the stream parameters, we decode the
3072 first frames to get it. (used in mpeg case for example) */
3073 ret = avformat_find_stream_info(ic, opts);
3074 if (ret < 0 && verbose >= 0) {
3075 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3076 av_close_input_file(ic);
3080 timestamp = start_time;
3081 /* add the stream start time */
3082 if (ic->start_time != AV_NOPTS_VALUE)
3083 timestamp += ic->start_time;
3085 /* if seeking requested, we execute it */
3086 if (start_time != 0) {
3087 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3089 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3090 filename, (double)timestamp / AV_TIME_BASE);
3092 /* reset seek info */
3096 /* update the current parameters so that they match the one of the input stream */
3097 for(i=0;i<ic->nb_streams;i++) {
3098 AVStream *st = ic->streams[i];
3099 AVCodecContext *dec = st->codec;
3102 dec->thread_count = thread_count;
3104 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3105 ist = &input_streams[nb_input_streams - 1];
3107 ist->file_index = nb_input_files;
3109 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3111 if (i < nb_ts_scale)
3112 ist->ts_scale = ts_scale[i];
3114 switch (dec->codec_type) {
3115 case AVMEDIA_TYPE_AUDIO:
3116 ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
3118 st->discard= AVDISCARD_ALL;
3120 case AVMEDIA_TYPE_VIDEO:
3121 ist->dec = avcodec_find_decoder_by_name(video_codec_name);
3122 rfps = ic->streams[i]->r_frame_rate.num;
3123 rfps_base = ic->streams[i]->r_frame_rate.den;
3125 dec->flags |= CODEC_FLAG_EMU_EDGE;
3126 dec->height >>= dec->lowres;
3127 dec->width >>= dec->lowres;
3130 dec->debug |= FF_DEBUG_MV;
3132 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3135 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3136 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3138 (float)rfps / rfps_base, rfps, rfps_base);
3142 st->discard= AVDISCARD_ALL;
3143 else if(video_discard)
3144 st->discard= video_discard;
3146 case AVMEDIA_TYPE_DATA:
3148 case AVMEDIA_TYPE_SUBTITLE:
3149 ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
3150 if(subtitle_disable)
3151 st->discard = AVDISCARD_ALL;
3153 case AVMEDIA_TYPE_ATTACHMENT:
3154 case AVMEDIA_TYPE_UNKNOWN:
3161 /* dump the file content */
3163 av_dump_format(ic, nb_input_files, filename, 0);
3165 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3166 input_files[nb_input_files - 1].ctx = ic;
3167 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3168 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3170 frame_rate = (AVRational){0, 0};
3171 frame_pix_fmt = PIX_FMT_NONE;
3174 audio_sample_rate = 0;
3176 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3177 av_freep(&ts_scale);
3180 for (i = 0; i < orig_nb_streams; i++)
3181 av_dict_free(&opts[i]);
3183 av_freep(&video_codec_name);
3184 av_freep(&audio_codec_name);
3185 av_freep(&subtitle_codec_name);
3191 static OutputStream *new_video_stream(AVFormatContext *oc, int file_idx)
3195 AVCodecContext *video_enc;
3196 enum CodecID codec_id = CODEC_ID_NONE;
3197 AVCodec *codec= NULL;
3199 if(!video_stream_copy){
3200 if (video_codec_name) {
3201 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3202 codec = avcodec_find_encoder_by_name(video_codec_name);
3204 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3205 codec = avcodec_find_encoder(codec_id);
3209 ost = new_output_stream(oc, file_idx, codec);
3211 if (!video_stream_copy) {
3212 ost->frame_aspect_ratio = frame_aspect_ratio;
3213 frame_aspect_ratio = 0;
3215 ost->avfilter= vfilters;
3220 ost->bitstream_filters = video_bitstream_filters;
3221 video_bitstream_filters= NULL;
3223 st->codec->thread_count= thread_count;
3225 video_enc = st->codec;
3228 video_enc->codec_tag= video_codec_tag;
3230 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3231 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3234 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3235 if (video_stream_copy) {
3236 st->stream_copy = 1;
3237 video_enc->sample_aspect_ratio =
3238 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3244 ost->frame_rate = frame_rate;
3245 video_enc->codec_id = codec_id;
3247 video_enc->width = frame_width;
3248 video_enc->height = frame_height;
3249 video_enc->pix_fmt = frame_pix_fmt;
3250 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3253 video_enc->gop_size = 0;
3254 if (video_qscale || same_quality) {
3255 video_enc->flags |= CODEC_FLAG_QSCALE;
3256 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3260 video_enc->intra_matrix = intra_matrix;
3262 video_enc->inter_matrix = inter_matrix;
3264 p= video_rc_override_string;
3267 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3269 fprintf(stderr, "error parsing rc_override\n");
3272 video_enc->rc_override=
3273 av_realloc(video_enc->rc_override,
3274 sizeof(RcOverride)*(i+1));
3275 video_enc->rc_override[i].start_frame= start;
3276 video_enc->rc_override[i].end_frame = end;
3278 video_enc->rc_override[i].qscale= q;
3279 video_enc->rc_override[i].quality_factor= 1.0;
3282 video_enc->rc_override[i].qscale= 0;
3283 video_enc->rc_override[i].quality_factor= -q/100.0;
3288 video_enc->rc_override_count=i;
3289 if (!video_enc->rc_initial_buffer_occupancy)
3290 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3291 video_enc->me_threshold= me_threshold;
3292 video_enc->intra_dc_precision= intra_dc_precision - 8;
3295 video_enc->flags|= CODEC_FLAG_PSNR;
3300 video_enc->flags |= CODEC_FLAG_PASS1;
3302 video_enc->flags |= CODEC_FLAG_PASS2;
3306 if (forced_key_frames)
3307 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3309 if (video_language) {
3310 av_dict_set(&st->metadata, "language", video_language, 0);
3311 av_freep(&video_language);
3314 /* reset some key parameters */
3316 av_freep(&video_codec_name);
3317 av_freep(&forced_key_frames);
3318 video_stream_copy = 0;
3319 frame_pix_fmt = PIX_FMT_NONE;
3323 static OutputStream *new_audio_stream(AVFormatContext *oc, int file_idx)
3327 AVCodec *codec= NULL;
3328 AVCodecContext *audio_enc;
3329 enum CodecID codec_id = CODEC_ID_NONE;
3331 if(!audio_stream_copy){
3332 if (audio_codec_name) {
3333 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3334 codec = avcodec_find_encoder_by_name(audio_codec_name);
3336 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3337 codec = avcodec_find_encoder(codec_id);
3340 ost = new_output_stream(oc, file_idx, codec);
3343 ost->bitstream_filters = audio_bitstream_filters;
3344 audio_bitstream_filters= NULL;
3346 st->codec->thread_count= thread_count;
3348 audio_enc = st->codec;
3349 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3352 audio_enc->codec_tag= audio_codec_tag;
3354 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3355 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3357 if (audio_stream_copy) {
3358 st->stream_copy = 1;
3360 audio_enc->codec_id = codec_id;
3362 if (audio_qscale > QSCALE_NONE) {
3363 audio_enc->flags |= CODEC_FLAG_QSCALE;
3364 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3367 audio_enc->channels = audio_channels;
3368 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3369 audio_enc->sample_fmt = audio_sample_fmt;
3370 if (audio_sample_rate)
3371 audio_enc->sample_rate = audio_sample_rate;
3373 if (audio_language) {
3374 av_dict_set(&st->metadata, "language", audio_language, 0);
3375 av_freep(&audio_language);
3378 /* reset some key parameters */
3380 av_freep(&audio_codec_name);
3381 audio_stream_copy = 0;
3386 static OutputStream *new_data_stream(AVFormatContext *oc, int file_idx)
3390 AVCodecContext *data_enc;
3392 ost = new_output_stream(oc, file_idx, NULL);
3394 data_enc = st->codec;
3395 if (!data_stream_copy) {
3396 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3400 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3403 data_enc->codec_tag= data_codec_tag;
3405 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3406 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3408 if (data_stream_copy) {
3409 st->stream_copy = 1;
3413 av_freep(&data_codec_name);
3414 data_stream_copy = 0;
3418 static OutputStream *new_subtitle_stream(AVFormatContext *oc, int file_idx)
3422 AVCodec *codec=NULL;
3423 AVCodecContext *subtitle_enc;
3424 enum CodecID codec_id = CODEC_ID_NONE;
3426 if(!subtitle_stream_copy){
3427 if (subtitle_codec_name) {
3428 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3429 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
3431 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3432 codec = avcodec_find_encoder(codec_id);
3435 ost = new_output_stream(oc, file_idx, codec);
3437 subtitle_enc = st->codec;
3439 ost->bitstream_filters = subtitle_bitstream_filters;
3440 subtitle_bitstream_filters= NULL;
3442 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3444 if(subtitle_codec_tag)
3445 subtitle_enc->codec_tag= subtitle_codec_tag;
3447 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3448 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3450 if (subtitle_stream_copy) {
3451 st->stream_copy = 1;
3453 subtitle_enc->codec_id = codec_id;
3456 if (subtitle_language) {
3457 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3458 av_freep(&subtitle_language);
3461 subtitle_disable = 0;
3462 av_freep(&subtitle_codec_name);
3463 subtitle_stream_copy = 0;
3467 /* arg format is "output-stream-index:streamid-value". */
3468 static int opt_streamid(const char *opt, const char *arg)
3474 av_strlcpy(idx_str, arg, sizeof(idx_str));
3475 p = strchr(idx_str, ':');
3478 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3483 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3484 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3485 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3489 static void opt_output_file(const char *filename)
3491 AVFormatContext *oc;
3493 AVOutputFormat *file_oformat;
3497 if (!strcmp(filename, "-"))
3500 oc = avformat_alloc_context();
3502 print_error(filename, AVERROR(ENOMEM));
3506 if (last_asked_format) {
3507 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3508 if (!file_oformat) {
3509 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3512 last_asked_format = NULL;
3514 file_oformat = av_guess_format(NULL, filename, NULL);
3515 if (!file_oformat) {
3516 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3522 oc->oformat = file_oformat;
3523 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3525 if (!strcmp(file_oformat->name, "ffm") &&
3526 av_strstart(filename, "http:", NULL)) {
3527 /* special case for files sent to avserver: we get the stream
3528 parameters from avserver */
3529 int err = read_avserver_streams(oc, filename);
3531 print_error(filename, err);
3534 } else if (!nb_stream_maps) {
3535 /* pick the "best" stream of each type */
3536 #define NEW_STREAM(type, index)\
3538 ost = new_ ## type ## _stream(oc, nb_output_files);\
3539 ost->source_index = index;\
3540 ost->sync_ist = &input_streams[index];\
3541 input_streams[index].discard = 0;\
3544 /* video: highest resolution */
3545 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3546 int area = 0, idx = -1;
3547 for (i = 0; i < nb_input_streams; i++) {
3548 ist = &input_streams[i];
3549 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3550 ist->st->codec->width * ist->st->codec->height > area) {
3551 area = ist->st->codec->width * ist->st->codec->height;
3555 NEW_STREAM(video, idx);
3558 /* audio: most channels */
3559 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3560 int channels = 0, idx = -1;
3561 for (i = 0; i < nb_input_streams; i++) {
3562 ist = &input_streams[i];
3563 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3564 ist->st->codec->channels > channels) {
3565 channels = ist->st->codec->channels;
3569 NEW_STREAM(audio, idx);
3572 /* subtitles: pick first */
3573 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3574 for (i = 0; i < nb_input_streams; i++)
3575 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3576 NEW_STREAM(subtitle, i);
3580 /* do something with data? */
3582 for (i = 0; i < nb_stream_maps; i++) {
3583 StreamMap *map = &stream_maps[i];
3588 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3589 switch (ist->st->codec->codec_type) {
3590 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc, nb_output_files); break;
3591 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc, nb_output_files); break;
3592 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc, nb_output_files); break;
3593 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc, nb_output_files); break;
3595 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3596 map->file_index, map->stream_index);
3600 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3601 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3602 map->sync_stream_index];
3607 av_dict_copy(&oc->metadata, metadata, 0);
3608 av_dict_free(&metadata);
3610 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3611 output_files[nb_output_files++] = oc;
3613 /* check filename in case of an image number is expected */
3614 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3615 if (!av_filename_number_test(oc->filename)) {
3616 print_error(oc->filename, AVERROR(EINVAL));
3621 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3622 /* test if it already exists to avoid loosing precious files */
3623 if (!file_overwrite &&
3624 (strchr(filename, ':') == NULL ||
3625 filename[1] == ':' ||
3626 av_strstart(filename, "file:", NULL))) {
3627 if (avio_check(filename, 0) == 0) {
3629 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3631 if (!read_yesno()) {
3632 fprintf(stderr, "Not overwriting - exiting\n");
3637 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3644 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3645 print_error(filename, err);
3650 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3651 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3652 oc->flags |= AVFMT_FLAG_NONBLOCK;
3655 if (chapters_input_file >= nb_input_files) {
3656 if (chapters_input_file == INT_MAX) {
3657 /* copy chapters from the first input file that has them*/
3658 chapters_input_file = -1;
3659 for (i = 0; i < nb_input_files; i++)
3660 if (input_files[i].ctx->nb_chapters) {
3661 chapters_input_file = i;
3665 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3666 chapters_input_file);
3670 if (chapters_input_file >= 0)
3671 copy_chapters(chapters_input_file, nb_output_files - 1);
3674 for (i = 0; i < nb_meta_data_maps; i++) {
3675 AVFormatContext *files[2];
3676 AVDictionary **meta[2];
3679 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3680 if ((index) < 0 || (index) >= (nb_elems)) {\
3681 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3686 int in_file_index = meta_data_maps[i][1].file;
3687 if (in_file_index < 0)
3689 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3692 files[1] = input_files[in_file_index].ctx;
3694 for (j = 0; j < 2; j++) {
3695 MetadataMap *map = &meta_data_maps[i][j];
3697 switch (map->type) {
3699 meta[j] = &files[j]->metadata;
3702 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3703 meta[j] = &files[j]->streams[map->index]->metadata;
3706 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3707 meta[j] = &files[j]->chapters[map->index]->metadata;
3710 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3711 meta[j] = &files[j]->programs[map->index]->metadata;
3716 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3719 /* copy global metadata by default */
3720 if (metadata_global_autocopy)
3721 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3722 AV_DICT_DONT_OVERWRITE);
3723 if (metadata_streams_autocopy)
3724 for (i = 0; i < oc->nb_streams; i++) {
3725 InputStream *ist = &input_streams[output_streams_for_file[nb_output_files-1][i]->source_index];
3726 av_dict_copy(&oc->streams[i]->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3729 frame_rate = (AVRational){0, 0};
3732 audio_sample_rate = 0;
3734 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3735 chapters_input_file = INT_MAX;
3737 av_freep(&meta_data_maps);
3738 nb_meta_data_maps = 0;
3739 metadata_global_autocopy = 1;
3740 metadata_streams_autocopy = 1;
3741 metadata_chapters_autocopy = 1;
3742 av_freep(&stream_maps);
3745 av_freep(&forced_key_frames);
3750 /* same option as mencoder */
3751 static int opt_pass(const char *opt, const char *arg)
3753 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3757 static int64_t getutime(void)
3760 struct rusage rusage;
3762 getrusage(RUSAGE_SELF, &rusage);
3763 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3764 #elif HAVE_GETPROCESSTIMES
3766 FILETIME c, e, k, u;
3767 proc = GetCurrentProcess();
3768 GetProcessTimes(proc, &c, &e, &k, &u);
3769 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3771 return av_gettime();
3775 static int64_t getmaxrss(void)
3777 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3778 struct rusage rusage;
3779 getrusage(RUSAGE_SELF, &rusage);
3780 return (int64_t)rusage.ru_maxrss * 1024;
3781 #elif HAVE_GETPROCESSMEMORYINFO
3783 PROCESS_MEMORY_COUNTERS memcounters;
3784 proc = GetCurrentProcess();
3785 memcounters.cb = sizeof(memcounters);
3786 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3787 return memcounters.PeakPagefileUsage;
3793 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3796 const char *p = str;
3803 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3810 static void opt_inter_matrix(const char *arg)
3812 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3813 parse_matrix_coeffs(inter_matrix, arg);
3816 static void opt_intra_matrix(const char *arg)
3818 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3819 parse_matrix_coeffs(intra_matrix, arg);
3822 static void show_usage(void)
3824 printf("Hyper fast Audio and Video encoder\n");
3825 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3829 static void show_help(void)
3832 AVOutputFormat *oformat = NULL;
3833 AVInputFormat *iformat = NULL;
3835 av_log_set_callback(log_callback_help);
3837 show_help_options(options, "Main options:\n",
3838 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3839 show_help_options(options, "\nAdvanced options:\n",
3840 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3842 show_help_options(options, "\nVideo options:\n",
3843 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3845 show_help_options(options, "\nAdvanced Video options:\n",
3846 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3847 OPT_VIDEO | OPT_EXPERT);
3848 show_help_options(options, "\nAudio options:\n",
3849 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3851 show_help_options(options, "\nAdvanced Audio options:\n",
3852 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3853 OPT_AUDIO | OPT_EXPERT);
3854 show_help_options(options, "\nSubtitle options:\n",
3855 OPT_SUBTITLE | OPT_GRAB,
3857 show_help_options(options, "\nAudio/Video grab options:\n",
3861 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3864 /* individual codec options */
3866 while ((c = av_codec_next(c))) {
3867 if (c->priv_class) {
3868 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3873 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3876 /* individual muxer options */
3877 while ((oformat = av_oformat_next(oformat))) {
3878 if (oformat->priv_class) {
3879 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3884 /* individual demuxer options */
3885 while ((iformat = av_iformat_next(iformat))) {
3886 if (iformat->priv_class) {
3887 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3892 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3895 static int opt_target(const char *opt, const char *arg)
3897 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3898 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3900 if(!strncmp(arg, "pal-", 4)) {
3903 } else if(!strncmp(arg, "ntsc-", 5)) {
3906 } else if(!strncmp(arg, "film-", 5)) {
3911 /* Calculate FR via float to avoid int overflow */
3912 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3915 } else if((fr == 29970) || (fr == 23976)) {
3918 /* Try to determine PAL/NTSC by peeking in the input files */
3919 if(nb_input_files) {
3921 for (j = 0; j < nb_input_files; j++) {
3922 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3923 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3924 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3926 fr = c->time_base.den * 1000 / c->time_base.num;
3930 } else if((fr == 29970) || (fr == 23976)) {
3940 if(verbose > 0 && norm != UNKNOWN)
3941 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3944 if(norm == UNKNOWN) {
3945 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3946 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3947 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3951 if(!strcmp(arg, "vcd")) {
3952 opt_video_codec("vcodec", "mpeg1video");
3953 opt_audio_codec("vcodec", "mp2");
3954 opt_format("f", "vcd");
3956 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3957 opt_frame_rate("r", frame_rates[norm]);
3958 opt_default("g", norm == PAL ? "15" : "18");
3960 opt_default("b", "1150000");
3961 opt_default("maxrate", "1150000");
3962 opt_default("minrate", "1150000");
3963 opt_default("bufsize", "327680"); // 40*1024*8;
3965 opt_default("ab", "224000");
3966 audio_sample_rate = 44100;
3969 opt_default("packetsize", "2324");
3970 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3972 /* We have to offset the PTS, so that it is consistent with the SCR.
3973 SCR starts at 36000, but the first two packs contain only padding
3974 and the first pack from the other stream, respectively, may also have
3975 been written before.
3976 So the real data starts at SCR 36000+3*1200. */
3977 mux_preload= (36000+3*1200) / 90000.0; //0.44
3978 } else if(!strcmp(arg, "svcd")) {
3980 opt_video_codec("vcodec", "mpeg2video");
3981 opt_audio_codec("acodec", "mp2");
3982 opt_format("f", "svcd");
3984 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3985 opt_frame_rate("r", frame_rates[norm]);
3986 opt_default("g", norm == PAL ? "15" : "18");
3988 opt_default("b", "2040000");
3989 opt_default("maxrate", "2516000");
3990 opt_default("minrate", "0"); //1145000;
3991 opt_default("bufsize", "1835008"); //224*1024*8;
3992 opt_default("flags", "+scan_offset");
3995 opt_default("ab", "224000");
3996 audio_sample_rate = 44100;
3998 opt_default("packetsize", "2324");
4000 } else if(!strcmp(arg, "dvd")) {
4002 opt_video_codec("vcodec", "mpeg2video");
4003 opt_audio_codec("vcodec", "ac3");
4004 opt_format("f", "dvd");
4006 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4007 opt_frame_rate("r", frame_rates[norm]);
4008 opt_default("g", norm == PAL ? "15" : "18");
4010 opt_default("b", "6000000");
4011 opt_default("maxrate", "9000000");
4012 opt_default("minrate", "0"); //1500000;
4013 opt_default("bufsize", "1835008"); //224*1024*8;
4015 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4016 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4018 opt_default("ab", "448000");
4019 audio_sample_rate = 48000;
4021 } else if(!strncmp(arg, "dv", 2)) {
4023 opt_format("f", "dv");
4025 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4026 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4027 norm == PAL ? "yuv420p" : "yuv411p");
4028 opt_frame_rate("r", frame_rates[norm]);
4030 audio_sample_rate = 48000;
4034 fprintf(stderr, "Unknown target: %s\n", arg);
4035 return AVERROR(EINVAL);
4040 static int opt_vstats_file(const char *opt, const char *arg)
4042 av_free (vstats_filename);
4043 vstats_filename=av_strdup (arg);
4047 static int opt_vstats(const char *opt, const char *arg)
4050 time_t today2 = time(NULL);
4051 struct tm *today = localtime(&today2);
4053 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4055 return opt_vstats_file(opt, filename);
4058 static int opt_bsf(const char *opt, const char *arg)
4060 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4061 AVBitStreamFilterContext **bsfp;
4064 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4068 bsfp= *opt == 'v' ? &video_bitstream_filters :
4069 *opt == 'a' ? &audio_bitstream_filters :
4070 &subtitle_bitstream_filters;
4072 bsfp= &(*bsfp)->next;
4079 static const OptionDef options[] = {
4081 #include "cmdutils_common_opts.h"
4082 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4083 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4084 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4085 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4086 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4087 "outfile[,metadata]:infile[,metadata]" },
4088 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4089 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4090 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4091 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4092 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4093 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4094 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4095 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4096 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4097 "add timings for benchmarking" },
4098 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4099 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4100 "dump each input packet" },
4101 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4102 "when dumping packets, also dump the payload" },
4103 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4104 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4105 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4106 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4107 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4108 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4109 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4110 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4111 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4112 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4113 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4114 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4115 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4116 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4119 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4120 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4121 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4122 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4123 { "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" },
4124 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4125 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4126 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4127 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4128 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4129 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4130 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4131 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4132 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4133 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4134 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4135 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4136 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4137 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4138 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4139 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4140 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4141 "use same quantizer as source (implies VBR)" },
4142 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4143 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4144 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4145 "deinterlace pictures" },
4146 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4147 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4148 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4150 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4152 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4153 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4154 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4155 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4156 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4157 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4158 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4159 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4160 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4161 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4164 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4165 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4166 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4167 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4168 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4169 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4170 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4171 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4172 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4173 { "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" },
4175 /* subtitle options */
4176 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4177 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4178 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4179 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4182 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4185 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4186 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4188 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4189 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4190 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4192 /* data codec support */
4193 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4195 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4199 int main(int argc, char **argv)
4203 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4205 avcodec_register_all();
4207 avdevice_register_all();
4210 avfilter_register_all();
4214 avio_set_interrupt_cb(decode_interrupt_cb);
4221 parse_options(argc, argv, options, opt_output_file);
4223 if(nb_output_files <= 0 && nb_input_files == 0) {
4225 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4229 /* file converter / grab */
4230 if (nb_output_files <= 0) {
4231 fprintf(stderr, "At least one output file must be specified\n");
4235 if (nb_input_files == 0) {
4236 fprintf(stderr, "At least one input file must be specified\n");
4241 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4243 ti = getutime() - ti;
4245 int maxrss = getmaxrss() / 1024;
4246 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4249 return exit_program(0);