3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int qp_hist = 0;
157 static char *vfilters = NULL;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static unsigned int audio_codec_tag = 0;
166 static char *audio_language = NULL;
168 static int subtitle_disable = 0;
169 static char *subtitle_language = NULL;
170 static unsigned int subtitle_codec_tag = 0;
172 static int data_disable = 0;
173 static unsigned int data_codec_tag = 0;
175 static float mux_preload= 0.5;
176 static float mux_max_delay= 0.7;
178 static int64_t recording_time = INT64_MAX;
179 static int64_t start_time = 0;
180 static int64_t input_ts_offset = 0;
181 static int file_overwrite = 0;
182 static AVDictionary *metadata;
183 static int do_benchmark = 0;
184 static int do_hex_dump = 0;
185 static int do_pkt_dump = 0;
186 static int do_psnr = 0;
187 static int do_pass = 0;
188 static const char *pass_logfilename_prefix;
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;
193 static int copy_tb= 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 run_as_daemon = 0;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = UINT64_MAX;
216 static int force_fps = 0;
217 static char *forced_key_frames = NULL;
219 static float dts_delta_threshold = 10;
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
225 static short *samples;
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
231 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
233 typedef struct InputStream {
236 int discard; /* true if stream data should be discarded */
237 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
240 int64_t start; /* time when read started */
241 int64_t next_pts; /* synthetic pts for cases where pkt.pts
243 int64_t pts; /* current pts */
245 int is_start; /* is 1 at the start and after a discontinuity */
246 int showed_multi_packet_warning;
250 typedef struct InputFile {
251 AVFormatContext *ctx;
252 int eof_reached; /* true if eof reached */
253 int ist_index; /* index of first stream in ist_table */
254 int buffer_size; /* current total buffer size */
256 int nb_streams; /* number of stream that avconv is aware of; may be different
257 from ctx.nb_streams if new streams appear during av_read_frame() */
260 typedef struct OutputStream {
261 int file_index; /* file index */
262 int index; /* stream index in the output file */
263 int source_index; /* InputStream index */
264 AVStream *st; /* stream in the output file */
265 int encoding_needed; /* true if encoding needed for this stream */
267 /* input pts and corresponding output pts
269 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
270 struct InputStream *sync_ist; /* input stream to sync against */
271 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
272 AVBitStreamFilterContext *bitstream_filters;
277 AVFrame resample_frame; /* temporary frame for image resampling */
278 struct SwsContext *img_resample_ctx; /* for image resampling */
281 int resample_pix_fmt;
282 AVRational frame_rate;
284 float frame_aspect_ratio;
286 /* forced key frames */
287 int64_t *forced_kf_pts;
293 ReSampleContext *resample; /* for audio resampling */
294 int resample_sample_fmt;
295 int resample_channels;
296 int resample_sample_rate;
298 AVAudioConvert *reformat_ctx;
299 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
303 AVFilterContext *output_video_filter;
304 AVFilterContext *input_video_filter;
305 AVFilterBufferRef *picref;
307 AVFilterGraph *graph;
312 int is_past_recording_time;
317 /* init terminal so that we can grab keys */
318 static struct termios oldtty;
321 typedef struct OutputFile {
322 AVFormatContext *ctx;
324 int ost_index; /* index of the first stream in output_streams */
325 int64_t recording_time; /* desired length of the resulting file in microseconds */
326 int64_t start_time; /* start time in microseconds */
327 uint64_t limit_filesize;
330 static InputStream *input_streams = NULL;
331 static int nb_input_streams = 0;
332 static InputFile *input_files = NULL;
333 static int nb_input_files = 0;
335 static OutputStream *output_streams = NULL;
336 static int nb_output_streams = 0;
337 static OutputFile *output_files = NULL;
338 static int nb_output_files = 0;
342 static int configure_video_filters(InputStream *ist, OutputStream *ost)
344 AVFilterContext *last_filter, *filter;
345 /** filter graph containing all filters including input & output */
346 AVCodecContext *codec = ost->st->codec;
347 AVCodecContext *icodec = ist->st->codec;
348 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
349 AVRational sample_aspect_ratio;
353 ost->graph = avfilter_graph_alloc();
355 if (ist->st->sample_aspect_ratio.num){
356 sample_aspect_ratio = ist->st->sample_aspect_ratio;
358 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
360 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
361 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
362 sample_aspect_ratio.num, sample_aspect_ratio.den);
364 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
365 "src", args, NULL, ost->graph);
368 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
369 "out", NULL, pix_fmts, ost->graph);
372 last_filter = ost->input_video_filter;
374 if (codec->width != icodec->width || codec->height != icodec->height) {
375 snprintf(args, 255, "%d:%d:flags=0x%X",
379 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
380 NULL, args, NULL, ost->graph)) < 0)
382 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
384 last_filter = filter;
387 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
388 ost->graph->scale_sws_opts = av_strdup(args);
391 AVFilterInOut *outputs = avfilter_inout_alloc();
392 AVFilterInOut *inputs = avfilter_inout_alloc();
394 outputs->name = av_strdup("in");
395 outputs->filter_ctx = last_filter;
396 outputs->pad_idx = 0;
397 outputs->next = NULL;
399 inputs->name = av_strdup("out");
400 inputs->filter_ctx = ost->output_video_filter;
404 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
406 av_freep(&ost->avfilter);
408 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
412 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
415 codec->width = ost->output_video_filter->inputs[0]->w;
416 codec->height = ost->output_video_filter->inputs[0]->h;
417 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
418 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
419 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
420 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
424 #endif /* CONFIG_AVFILTER */
426 static void term_exit(void)
428 av_log(NULL, AV_LOG_QUIET, "%s", "");
431 tcsetattr (0, TCSANOW, &oldtty);
435 static volatile int received_sigterm = 0;
438 sigterm_handler(int sig)
440 received_sigterm = sig;
445 static void term_init(void)
455 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
456 |INLCR|IGNCR|ICRNL|IXON);
457 tty.c_oflag |= OPOST;
458 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
459 tty.c_cflag &= ~(CSIZE|PARENB);
464 tcsetattr (0, TCSANOW, &tty);
465 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
469 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
470 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
472 signal(SIGXCPU, sigterm_handler);
476 /* read a key without blocking */
477 static int read_key(void)
492 n = select(1, &rfds, NULL, NULL, &tv);
507 static int decode_interrupt_cb(void)
509 q_pressed += read_key() == 'q';
510 return q_pressed > 1;
513 static int exit_program(int ret)
518 for(i=0;i<nb_output_files;i++) {
519 AVFormatContext *s = output_files[i].ctx;
520 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
522 avformat_free_context(s);
523 av_dict_free(&output_files[i].opts);
525 for(i=0;i<nb_input_files;i++) {
526 av_close_input_file(input_files[i].ctx);
528 for (i = 0; i < nb_input_streams; i++)
529 av_dict_free(&input_streams[i].opts);
531 av_free(intra_matrix);
532 av_free(inter_matrix);
536 av_free(vstats_filename);
538 av_free(meta_data_maps);
540 av_freep(&input_streams);
541 av_freep(&input_files);
542 av_freep(&output_streams);
543 av_freep(&output_files);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
555 if (received_sigterm) {
557 "Received signal %d: terminating.\n",
558 (int) received_sigterm);
562 exit(ret); /* not all OS-es handle main() return value */
566 static void assert_avoptions(AVDictionary *m)
568 AVDictionaryEntry *t;
569 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
570 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
575 static void assert_codec_experimental(AVCodecContext *c, int encoder)
577 const char *codec_string = encoder ? "encoder" : "decoder";
579 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
580 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
581 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
582 "results.\nAdd '-strict experimental' if you want to use it.\n",
583 codec_string, c->codec->name);
584 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
585 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
586 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
587 codec_string, codec->name);
592 /* similar to ff_dynarray_add() and av_fast_realloc() */
593 static void *grow_array(void *array, int elem_size, int *size, int new_size)
595 if (new_size >= INT_MAX / elem_size) {
596 fprintf(stderr, "Array too big.\n");
599 if (*size < new_size) {
600 uint8_t *tmp = av_realloc(array, new_size*elem_size);
602 fprintf(stderr, "Could not alloc buffer.\n");
605 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
612 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
614 if(codec && codec->sample_fmts){
615 const enum AVSampleFormat *p= codec->sample_fmts;
617 if(*p == st->codec->sample_fmt)
621 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
622 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
623 if(av_get_sample_fmt_name(st->codec->sample_fmt))
624 av_log(NULL, AV_LOG_WARNING,
625 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
626 av_get_sample_fmt_name(st->codec->sample_fmt),
628 av_get_sample_fmt_name(codec->sample_fmts[0]));
629 st->codec->sample_fmt = codec->sample_fmts[0];
634 static void choose_sample_rate(AVStream *st, AVCodec *codec)
636 if(codec && codec->supported_samplerates){
637 const int *p= codec->supported_samplerates;
639 int best_dist=INT_MAX;
641 int dist= abs(st->codec->sample_rate - *p);
642 if(dist < best_dist){
648 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
650 st->codec->sample_rate= best;
654 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
656 if(codec && codec->pix_fmts){
657 const enum PixelFormat *p= codec->pix_fmts;
658 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
659 if(st->codec->codec_id==CODEC_ID_MJPEG){
660 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
661 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
662 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};
666 if(*p == st->codec->pix_fmt)
670 if(st->codec->pix_fmt != PIX_FMT_NONE)
671 av_log(NULL, AV_LOG_WARNING,
672 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
673 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
675 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
676 st->codec->pix_fmt = codec->pix_fmts[0];
682 get_sync_ipts(const OutputStream *ost)
684 const InputStream *ist = ost->sync_ist;
685 OutputFile *of = &output_files[ost->file_index];
686 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
689 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
693 AVPacket new_pkt= *pkt;
694 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
695 &new_pkt.data, &new_pkt.size,
696 pkt->data, pkt->size,
697 pkt->flags & AV_PKT_FLAG_KEY);
700 new_pkt.destruct= av_destruct_packet;
702 fprintf(stderr, "%s failed for stream %d, codec %s",
703 bsfc->filter->name, pkt->stream_index,
704 avctx->codec ? avctx->codec->name : "copy");
714 ret= av_interleaved_write_frame(s, pkt);
716 print_error("av_interleaved_write_frame()", ret);
721 static void do_audio_out(AVFormatContext *s,
724 unsigned char *buf, int size)
727 int64_t audio_out_size, audio_buf_size;
728 int64_t allocated_for_size= size;
730 int size_out, frame_bytes, ret, resample_changed;
731 AVCodecContext *enc= ost->st->codec;
732 AVCodecContext *dec= ist->st->codec;
733 int osize = av_get_bytes_per_sample(enc->sample_fmt);
734 int isize = av_get_bytes_per_sample(dec->sample_fmt);
735 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
738 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
739 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
740 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
741 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
742 audio_buf_size*= osize*enc->channels;
744 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
745 if(coded_bps > 8*osize)
746 audio_out_size= audio_out_size * coded_bps / (8*osize);
747 audio_out_size += FF_MIN_BUFFER_SIZE;
749 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
750 fprintf(stderr, "Buffer sizes too large\n");
754 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
755 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
756 if (!audio_buf || !audio_out){
757 fprintf(stderr, "Out of memory in do_audio_out\n");
761 if (enc->channels != dec->channels)
762 ost->audio_resample = 1;
764 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
765 ost->resample_channels != dec->channels ||
766 ost->resample_sample_rate != dec->sample_rate;
768 if ((ost->audio_resample && !ost->resample) || resample_changed) {
769 if (resample_changed) {
770 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",
771 ist->file_index, ist->st->index,
772 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
773 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
774 ost->resample_sample_fmt = dec->sample_fmt;
775 ost->resample_channels = dec->channels;
776 ost->resample_sample_rate = dec->sample_rate;
778 audio_resample_close(ost->resample);
780 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
781 if (audio_sync_method <= 1 &&
782 ost->resample_sample_fmt == enc->sample_fmt &&
783 ost->resample_channels == enc->channels &&
784 ost->resample_sample_rate == enc->sample_rate) {
785 ost->resample = NULL;
786 ost->audio_resample = 0;
788 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
789 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
790 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
791 enc->sample_rate, dec->sample_rate,
792 enc->sample_fmt, dec->sample_fmt,
794 if (!ost->resample) {
795 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
796 dec->channels, dec->sample_rate,
797 enc->channels, enc->sample_rate);
803 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
804 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
805 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
806 if (ost->reformat_ctx)
807 av_audio_convert_free(ost->reformat_ctx);
808 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
809 dec->sample_fmt, 1, NULL, 0);
810 if (!ost->reformat_ctx) {
811 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
812 av_get_sample_fmt_name(dec->sample_fmt),
813 av_get_sample_fmt_name(enc->sample_fmt));
816 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
819 if(audio_sync_method){
820 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
821 - av_fifo_size(ost->fifo)/(enc->channels * 2);
822 double idelta= delta*dec->sample_rate / enc->sample_rate;
823 int byte_delta= ((int)idelta)*2*dec->channels;
825 //FIXME resample delay
826 if(fabs(delta) > 50){
827 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
829 byte_delta= FFMAX(byte_delta, -size);
833 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
838 static uint8_t *input_tmp= NULL;
839 input_tmp= av_realloc(input_tmp, byte_delta + size);
841 if(byte_delta > allocated_for_size - size){
842 allocated_for_size= byte_delta + (int64_t)size;
847 memset(input_tmp, 0, byte_delta);
848 memcpy(input_tmp + byte_delta, buf, size);
852 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
854 }else if(audio_sync_method>1){
855 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
856 av_assert0(ost->audio_resample);
858 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
859 // 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));
860 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
864 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
865 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
867 if (ost->audio_resample) {
869 size_out = audio_resample(ost->resample,
870 (short *)buftmp, (short *)buf,
871 size / (dec->channels * isize));
872 size_out = size_out * enc->channels * osize;
878 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
879 const void *ibuf[6]= {buftmp};
880 void *obuf[6]= {audio_buf};
881 int istride[6]= {isize};
882 int ostride[6]= {osize};
883 int len= size_out/istride[0];
884 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
885 printf("av_audio_convert() failed\n");
891 size_out = len*osize;
894 /* now encode as many frames as possible */
895 if (enc->frame_size > 1) {
896 /* output resampled raw samples */
897 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
898 fprintf(stderr, "av_fifo_realloc2() failed\n");
901 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
903 frame_bytes = enc->frame_size * osize * enc->channels;
905 while (av_fifo_size(ost->fifo) >= frame_bytes) {
907 av_init_packet(&pkt);
909 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
911 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
913 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
916 fprintf(stderr, "Audio encoding failed\n");
920 pkt.stream_index= ost->index;
923 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
924 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
925 pkt.flags |= AV_PKT_FLAG_KEY;
926 write_frame(s, &pkt, enc, ost->bitstream_filters);
928 ost->sync_opts += enc->frame_size;
932 av_init_packet(&pkt);
934 ost->sync_opts += size_out / (osize * enc->channels);
936 /* output a pcm frame */
937 /* determine the size of the coded buffer */
940 size_out = size_out*coded_bps/8;
942 if(size_out > audio_out_size){
943 fprintf(stderr, "Internal error, buffer size too small\n");
947 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
948 ret = avcodec_encode_audio(enc, audio_out, size_out,
951 fprintf(stderr, "Audio encoding failed\n");
955 pkt.stream_index= ost->index;
958 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
959 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
960 pkt.flags |= AV_PKT_FLAG_KEY;
961 write_frame(s, &pkt, enc, ost->bitstream_filters);
965 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
969 AVPicture picture_tmp;
972 dec = ist->st->codec;
974 /* deinterlace : must be done before any resize */
975 if (do_deinterlace) {
978 /* create temporary picture */
979 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
980 buf = av_malloc(size);
984 picture2 = &picture_tmp;
985 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
987 if(avpicture_deinterlace(picture2, picture,
988 dec->pix_fmt, dec->width, dec->height) < 0) {
989 /* if error, do not deinterlace */
990 fprintf(stderr, "Deinterlacing failed\n");
999 if (picture != picture2)
1000 *picture = *picture2;
1004 static void do_subtitle_out(AVFormatContext *s,
1010 static uint8_t *subtitle_out = NULL;
1011 int subtitle_out_max_size = 1024 * 1024;
1012 int subtitle_out_size, nb, i;
1013 AVCodecContext *enc;
1016 if (pts == AV_NOPTS_VALUE) {
1017 fprintf(stderr, "Subtitle packets must have a pts\n");
1023 enc = ost->st->codec;
1025 if (!subtitle_out) {
1026 subtitle_out = av_malloc(subtitle_out_max_size);
1029 /* Note: DVB subtitle need one packet to draw them and one other
1030 packet to clear them */
1031 /* XXX: signal it in the codec context ? */
1032 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1037 for(i = 0; i < nb; i++) {
1038 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1039 // start_display_time is required to be 0
1040 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1041 sub->end_display_time -= sub->start_display_time;
1042 sub->start_display_time = 0;
1043 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1044 subtitle_out_max_size, sub);
1045 if (subtitle_out_size < 0) {
1046 fprintf(stderr, "Subtitle encoding failed\n");
1050 av_init_packet(&pkt);
1051 pkt.stream_index = ost->index;
1052 pkt.data = subtitle_out;
1053 pkt.size = subtitle_out_size;
1054 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1055 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1056 /* XXX: the pts correction is handled here. Maybe handling
1057 it in the codec would be better */
1059 pkt.pts += 90 * sub->start_display_time;
1061 pkt.pts += 90 * sub->end_display_time;
1063 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1067 static int bit_buffer_size= 1024*256;
1068 static uint8_t *bit_buffer= NULL;
1070 static void do_video_resample(OutputStream *ost,
1072 AVFrame *in_picture,
1073 AVFrame **out_picture)
1075 int resample_changed = 0;
1076 AVCodecContext *dec = ist->st->codec;
1077 AVCodecContext *enc = ost->st->codec;
1078 *out_picture = in_picture;
1080 resample_changed = ost->resample_width != dec->width ||
1081 ost->resample_height != dec->height ||
1082 ost->resample_pix_fmt != dec->pix_fmt;
1084 #if !CONFIG_AVFILTER
1085 if (resample_changed) {
1086 av_log(NULL, AV_LOG_INFO,
1087 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1088 ist->file_index, ist->st->index,
1089 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1090 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1091 ost->resample_width = dec->width;
1092 ost->resample_height = dec->height;
1093 ost->resample_pix_fmt = dec->pix_fmt;
1096 ost->video_resample = dec->width != enc->width ||
1097 dec->height != enc->height ||
1098 dec->pix_fmt != enc->pix_fmt;
1100 if (ost->video_resample) {
1101 *out_picture = &ost->resample_frame;
1102 if (!ost->img_resample_ctx || resample_changed) {
1103 /* initialize the destination picture */
1104 if (!ost->resample_frame.data[0]) {
1105 avcodec_get_frame_defaults(&ost->resample_frame);
1106 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1107 enc->width, enc->height)) {
1108 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1112 /* initialize a new scaler context */
1113 sws_freeContext(ost->img_resample_ctx);
1114 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1115 enc->width, enc->height, enc->pix_fmt,
1116 ost->sws_flags, NULL, NULL, NULL);
1117 if (ost->img_resample_ctx == NULL) {
1118 fprintf(stderr, "Cannot get resampling context\n");
1122 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1123 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1126 if (resample_changed) {
1127 avfilter_graph_free(&ost->graph);
1128 if (configure_video_filters(ist, ost)) {
1129 fprintf(stderr, "Error reinitializing filters!\n");
1134 if (resample_changed) {
1135 ost->resample_width = dec->width;
1136 ost->resample_height = dec->height;
1137 ost->resample_pix_fmt = dec->pix_fmt;
1142 static void do_video_out(AVFormatContext *s,
1145 AVFrame *in_picture,
1146 int *frame_size, float quality)
1148 int nb_frames, i, ret, format_video_sync;
1149 AVFrame *final_picture;
1150 AVCodecContext *enc;
1153 enc = ost->st->codec;
1155 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1157 /* by default, we output a single frame */
1162 format_video_sync = video_sync_method;
1163 if (format_video_sync < 0)
1164 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1166 if (format_video_sync) {
1167 double vdelta = sync_ipts - ost->sync_opts;
1168 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1171 else if (format_video_sync == 2) {
1174 }else if(vdelta>0.6)
1175 ost->sync_opts= lrintf(sync_ipts);
1176 }else if (vdelta > 1.1)
1177 nb_frames = lrintf(vdelta);
1178 //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);
1179 if (nb_frames == 0){
1182 fprintf(stderr, "*** drop!\n");
1183 }else if (nb_frames > 1) {
1184 nb_frames_dup += nb_frames - 1;
1186 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1189 ost->sync_opts= lrintf(sync_ipts);
1191 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1195 do_video_resample(ost, ist, in_picture, &final_picture);
1197 /* duplicates frame if needed */
1198 for(i=0;i<nb_frames;i++) {
1200 av_init_packet(&pkt);
1201 pkt.stream_index= ost->index;
1203 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1204 /* raw pictures are written as AVPicture structure to
1205 avoid any copies. We support temporarily the older
1207 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1208 enc->coded_frame->top_field_first = in_picture->top_field_first;
1209 pkt.data= (uint8_t *)final_picture;
1210 pkt.size= sizeof(AVPicture);
1211 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1212 pkt.flags |= AV_PKT_FLAG_KEY;
1214 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 AVFrame big_picture;
1218 big_picture= *final_picture;
1219 /* better than nothing: use input picture interlaced
1221 big_picture.interlaced_frame = in_picture->interlaced_frame;
1222 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1223 if(top_field_first == -1)
1224 big_picture.top_field_first = in_picture->top_field_first;
1226 big_picture.top_field_first = top_field_first;
1229 /* handles same_quant here. This is not correct because it may
1230 not be a global option */
1231 big_picture.quality = quality;
1233 big_picture.pict_type = 0;
1234 // big_picture.pts = AV_NOPTS_VALUE;
1235 big_picture.pts= ost->sync_opts;
1236 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1237 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1238 if (ost->forced_kf_index < ost->forced_kf_count &&
1239 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1240 big_picture.pict_type = AV_PICTURE_TYPE_I;
1241 ost->forced_kf_index++;
1243 ret = avcodec_encode_video(enc,
1244 bit_buffer, bit_buffer_size,
1247 fprintf(stderr, "Video encoding failed\n");
1252 pkt.data= bit_buffer;
1254 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1255 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1256 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1257 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1258 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1260 if(enc->coded_frame->key_frame)
1261 pkt.flags |= AV_PKT_FLAG_KEY;
1262 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1265 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1266 // enc->frame_number-1, ret, enc->pict_type);
1267 /* if two pass, output log */
1268 if (ost->logfile && enc->stats_out) {
1269 fprintf(ost->logfile, "%s", enc->stats_out);
1274 ost->frame_number++;
1278 static double psnr(double d){
1279 return -10.0*log(d)/log(10.0);
1282 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1285 AVCodecContext *enc;
1287 double ti1, bitrate, avg_bitrate;
1289 /* this is executed just the first time do_video_stats is called */
1291 vstats_file = fopen(vstats_filename, "w");
1298 enc = ost->st->codec;
1299 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1300 frame_number = ost->frame_number;
1301 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1302 if (enc->flags&CODEC_FLAG_PSNR)
1303 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1305 fprintf(vstats_file,"f_size= %6d ", frame_size);
1306 /* compute pts value */
1307 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1311 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1312 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1313 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1314 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1315 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1319 static void print_report(OutputFile *output_files,
1320 OutputStream *ost_table, int nb_ostreams,
1321 int is_last_report, int64_t timer_start)
1325 AVFormatContext *oc;
1327 AVCodecContext *enc;
1328 int frame_number, vid, i;
1330 int64_t pts = INT64_MAX;
1331 static int64_t last_time = -1;
1332 static int qp_histogram[52];
1334 if (!is_last_report) {
1336 /* display the report every 0.5 seconds */
1337 cur_time = av_gettime();
1338 if (last_time == -1) {
1339 last_time = cur_time;
1342 if ((cur_time - last_time) < 500000)
1344 last_time = cur_time;
1348 oc = output_files[0].ctx;
1350 total_size = avio_size(oc->pb);
1351 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1352 total_size= avio_tell(oc->pb);
1356 for(i=0;i<nb_ostreams;i++) {
1358 ost = &ost_table[i];
1359 enc = ost->st->codec;
1360 if (!ost->st->stream_copy && enc->coded_frame)
1361 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1362 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1363 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1365 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1366 float t = (av_gettime()-timer_start) / 1000000.0;
1368 frame_number = ost->frame_number;
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1370 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1376 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1381 if (enc->flags&CODEC_FLAG_PSNR){
1383 double error, error_sum=0;
1384 double scale, scale_sum=0;
1385 char type[3]= {'Y','U','V'};
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1389 error= enc->error[j];
1390 scale= enc->width*enc->height*255.0*255.0*frame_number;
1392 error= enc->coded_frame->error[j];
1393 scale= enc->width*enc->height*255.0*255.0;
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1404 /* compute min output value */
1405 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1406 ost->st->time_base, AV_TIME_BASE_Q));
1409 if (verbose > 0 || is_last_report) {
1410 int hours, mins, secs, us;
1411 secs = pts / AV_TIME_BASE;
1412 us = pts % AV_TIME_BASE;
1418 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1421 "size=%8.0fkB time=", total_size / 1024.0);
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1423 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1424 (100 * us) / AV_TIME_BASE);
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1426 "bitrate=%6.1fkbits/s", bitrate);
1428 if (nb_frames_dup || nb_frames_drop)
1429 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1430 nb_frames_dup, nb_frames_drop);
1433 fprintf(stderr, "%s \r", buf);
1438 if (is_last_report && verbose >= 0){
1439 int64_t raw= audio_size + video_size + extra_size;
1440 fprintf(stderr, "\n");
1441 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1445 100.0*(total_size - raw)/raw
1450 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1452 int fill_char = 0x00;
1453 if (sample_fmt == AV_SAMPLE_FMT_U8)
1455 memset(buf, fill_char, size);
1458 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1462 for (i = 0; i < nb_ostreams; i++) {
1463 OutputStream *ost = &ost_table[i];
1464 AVCodecContext *enc = ost->st->codec;
1465 AVFormatContext *os = output_files[ost->file_index].ctx;
1467 if (!ost->encoding_needed)
1470 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1472 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1478 av_init_packet(&pkt);
1479 pkt.stream_index= ost->index;
1481 switch (ost->st->codec->codec_type) {
1482 case AVMEDIA_TYPE_AUDIO:
1483 fifo_bytes = av_fifo_size(ost->fifo);
1485 /* encode any samples remaining in fifo */
1486 if (fifo_bytes > 0) {
1487 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1488 int fs_tmp = enc->frame_size;
1490 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1491 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1492 enc->frame_size = fifo_bytes / (osize * enc->channels);
1494 int frame_bytes = enc->frame_size*osize*enc->channels;
1495 if (allocated_audio_buf_size < frame_bytes)
1497 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1500 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1501 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1502 ost->st->time_base.num, enc->sample_rate);
1503 enc->frame_size = fs_tmp;
1506 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1509 fprintf(stderr, "Audio encoding failed\n");
1513 pkt.flags |= AV_PKT_FLAG_KEY;
1515 case AVMEDIA_TYPE_VIDEO:
1516 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1518 fprintf(stderr, "Video encoding failed\n");
1522 if(enc->coded_frame && enc->coded_frame->key_frame)
1523 pkt.flags |= AV_PKT_FLAG_KEY;
1524 if (ost->logfile && enc->stats_out) {
1525 fprintf(ost->logfile, "%s", enc->stats_out);
1534 pkt.data = bit_buffer;
1536 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1537 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1538 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1543 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1544 static int output_packet(InputStream *ist, int ist_index,
1545 OutputStream *ost_table, int nb_ostreams,
1546 const AVPacket *pkt)
1548 AVFormatContext *os;
1553 void *buffer_to_free = NULL;
1554 static unsigned int samples_size= 0;
1555 AVSubtitle subtitle, *subtitle_to_free;
1556 int64_t pkt_pts = AV_NOPTS_VALUE;
1558 int frame_available;
1563 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1565 if(ist->next_pts == AV_NOPTS_VALUE)
1566 ist->next_pts= ist->pts;
1570 av_init_packet(&avpkt);
1578 if(pkt->dts != AV_NOPTS_VALUE)
1579 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1580 if(pkt->pts != AV_NOPTS_VALUE)
1581 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1583 //while we have more to decode or while the decoder did output something on EOF
1584 while (avpkt.size > 0 || (!pkt && got_output)) {
1585 uint8_t *data_buf, *decoded_data_buf;
1586 int data_size, decoded_data_size;
1588 ist->pts= ist->next_pts;
1590 if(avpkt.size && avpkt.size != pkt->size &&
1591 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1592 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1593 ist->showed_multi_packet_warning=1;
1596 /* decode the packet if needed */
1597 decoded_data_buf = NULL; /* fail safe */
1598 decoded_data_size= 0;
1599 data_buf = avpkt.data;
1600 data_size = avpkt.size;
1601 subtitle_to_free = NULL;
1602 if (ist->decoding_needed) {
1603 switch(ist->st->codec->codec_type) {
1604 case AVMEDIA_TYPE_AUDIO:{
1605 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1606 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1608 samples= av_malloc(samples_size);
1610 decoded_data_size= samples_size;
1611 /* XXX: could avoid copy if PCM 16 bits with same
1612 endianness as CPU */
1613 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1620 got_output = decoded_data_size > 0;
1621 /* Some bug in mpeg audio decoder gives */
1622 /* decoded_data_size < 0, it seems they are overflows */
1624 /* no audio frame */
1627 decoded_data_buf = (uint8_t *)samples;
1628 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1629 (ist->st->codec->sample_rate * ist->st->codec->channels);
1631 case AVMEDIA_TYPE_VIDEO:
1632 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1633 /* XXX: allocate picture correctly */
1634 avcodec_get_frame_defaults(&picture);
1635 avpkt.pts = pkt_pts;
1636 avpkt.dts = ist->pts;
1637 pkt_pts = AV_NOPTS_VALUE;
1639 ret = avcodec_decode_video2(ist->st->codec,
1640 &picture, &got_output, &avpkt);
1641 quality = same_quant ? picture.quality : 0;
1645 /* no picture yet */
1646 goto discard_packet;
1648 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1649 if (ist->st->codec->time_base.num != 0) {
1650 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1651 ist->next_pts += ((int64_t)AV_TIME_BASE *
1652 ist->st->codec->time_base.num * ticks) /
1653 ist->st->codec->time_base.den;
1656 buffer_to_free = NULL;
1657 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1659 case AVMEDIA_TYPE_SUBTITLE:
1660 ret = avcodec_decode_subtitle2(ist->st->codec,
1661 &subtitle, &got_output, &avpkt);
1665 goto discard_packet;
1667 subtitle_to_free = &subtitle;
1674 switch(ist->st->codec->codec_type) {
1675 case AVMEDIA_TYPE_AUDIO:
1676 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1677 ist->st->codec->sample_rate;
1679 case AVMEDIA_TYPE_VIDEO:
1680 if (ist->st->codec->time_base.num != 0) {
1681 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1682 ist->next_pts += ((int64_t)AV_TIME_BASE *
1683 ist->st->codec->time_base.num * ticks) /
1684 ist->st->codec->time_base.den;
1691 // preprocess audio (volume)
1692 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1693 if (audio_volume != 256) {
1696 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1697 int v = ((*volp) * audio_volume + 128) >> 8;
1698 *volp++ = av_clip_int16(v);
1703 /* frame rate emulation */
1705 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1706 int64_t now = av_gettime() - ist->start;
1710 /* if output time reached then transcode raw format,
1711 encode packets and output them */
1712 for (i = 0; i < nb_ostreams; i++) {
1713 OutputFile *of = &output_files[ost_table[i].file_index];
1716 ost = &ost_table[i];
1717 if (ost->source_index != ist_index)
1720 if (of->start_time && ist->pts < of->start_time)
1723 if (of->recording_time != INT64_MAX &&
1724 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1725 (AVRational){1, 1000000}) >= 0) {
1726 ost->is_past_recording_time = 1;
1731 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1732 ost->input_video_filter) {
1733 if (!picture.sample_aspect_ratio.num)
1734 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1735 picture.pts = ist->pts;
1737 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1739 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1740 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1741 while (frame_available) {
1742 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1743 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1744 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1747 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1748 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1752 os = output_files[ost->file_index].ctx;
1754 /* set the input output pts pairs */
1755 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1757 if (ost->encoding_needed) {
1758 av_assert0(ist->decoding_needed);
1759 switch(ost->st->codec->codec_type) {
1760 case AVMEDIA_TYPE_AUDIO:
1761 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1763 case AVMEDIA_TYPE_VIDEO:
1765 if (ost->picref->video && !ost->frame_aspect_ratio)
1766 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1768 do_video_out(os, ost, ist, &picture, &frame_size,
1769 same_quant ? quality : ost->st->codec->global_quality);
1770 if (vstats_filename && frame_size)
1771 do_video_stats(os, ost, frame_size);
1773 case AVMEDIA_TYPE_SUBTITLE:
1774 do_subtitle_out(os, ost, ist, &subtitle,
1781 AVFrame avframe; //FIXME/XXX remove this
1784 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1785 av_init_packet(&opkt);
1787 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1788 #if !CONFIG_AVFILTER
1794 /* no reencoding needed : output the packet directly */
1795 /* force the input stream PTS */
1797 avcodec_get_frame_defaults(&avframe);
1798 ost->st->codec->coded_frame= &avframe;
1799 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1801 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1802 audio_size += data_size;
1803 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1804 video_size += data_size;
1808 opkt.stream_index= ost->index;
1809 if(pkt->pts != AV_NOPTS_VALUE)
1810 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1812 opkt.pts= AV_NOPTS_VALUE;
1814 if (pkt->dts == AV_NOPTS_VALUE)
1815 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1817 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1818 opkt.dts -= ost_tb_start_time;
1820 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1821 opkt.flags= pkt->flags;
1823 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1824 if( ost->st->codec->codec_id != CODEC_ID_H264
1825 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1826 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1828 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1829 opkt.destruct= av_destruct_packet;
1831 opkt.data = data_buf;
1832 opkt.size = data_size;
1835 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1836 /* store AVPicture in AVPacket, as expected by the output format */
1837 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1838 opkt.data = (uint8_t *)&pict;
1839 opkt.size = sizeof(AVPicture);
1840 opkt.flags |= AV_PKT_FLAG_KEY;
1842 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1843 ost->st->codec->frame_number++;
1844 ost->frame_number++;
1845 av_free_packet(&opkt);
1849 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1850 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1852 avfilter_unref_buffer(ost->picref);
1857 av_free(buffer_to_free);
1858 /* XXX: allocate the subtitles in the codec ? */
1859 if (subtitle_to_free) {
1860 avsubtitle_free(subtitle_to_free);
1861 subtitle_to_free = NULL;
1869 static void print_sdp(OutputFile *output_files, int n)
1873 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1877 for (i = 0; i < n; i++)
1878 avc[i] = output_files[i].ctx;
1880 av_sdp_create(avc, n, sdp, sizeof(sdp));
1881 printf("SDP:\n%s\n", sdp);
1886 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1887 char *error, int error_len)
1890 InputStream *ist = &input_streams[ist_index];
1891 if (ist->decoding_needed) {
1892 AVCodec *codec = ist->dec;
1894 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1895 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1896 return AVERROR(EINVAL);
1899 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1900 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1901 ist->file_index, ist->st->index);
1902 return AVERROR(EINVAL);
1904 assert_codec_experimental(ist->st->codec, 0);
1905 assert_avoptions(ist->opts);
1908 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1909 ist->next_pts = AV_NOPTS_VALUE;
1915 static int transcode_init(OutputFile *output_files,
1916 int nb_output_files,
1917 InputFile *input_files,
1921 AVFormatContext *os;
1922 AVCodecContext *codec, *icodec;
1929 for (i = 0; i < nb_input_streams; i++)
1930 input_streams[i].start = av_gettime();
1932 /* output stream init */
1933 for(i=0;i<nb_output_files;i++) {
1934 os = output_files[i].ctx;
1935 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1936 av_dump_format(os, i, os->filename, 1);
1937 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1938 return AVERROR(EINVAL);
1942 /* for each output stream, we compute the right encoding parameters */
1943 for (i = 0; i < nb_output_streams; i++) {
1944 ost = &output_streams[i];
1945 os = output_files[ost->file_index].ctx;
1946 ist = &input_streams[ost->source_index];
1948 codec = ost->st->codec;
1949 icodec = ist->st->codec;
1951 ost->st->disposition = ist->st->disposition;
1952 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1953 codec->chroma_sample_location = icodec->chroma_sample_location;
1955 if (ost->st->stream_copy) {
1956 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1958 if (extra_size > INT_MAX) {
1959 return AVERROR(EINVAL);
1962 /* if stream_copy is selected, no need to decode or encode */
1963 codec->codec_id = icodec->codec_id;
1964 codec->codec_type = icodec->codec_type;
1966 if(!codec->codec_tag){
1967 if( !os->oformat->codec_tag
1968 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1969 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1970 codec->codec_tag = icodec->codec_tag;
1973 codec->bit_rate = icodec->bit_rate;
1974 codec->rc_max_rate = icodec->rc_max_rate;
1975 codec->rc_buffer_size = icodec->rc_buffer_size;
1976 codec->extradata= av_mallocz(extra_size);
1977 if (!codec->extradata) {
1978 return AVERROR(ENOMEM);
1980 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1981 codec->extradata_size= icodec->extradata_size;
1983 codec->time_base = ist->st->time_base;
1984 if(!strcmp(os->oformat->name, "avi")) {
1985 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1986 codec->time_base = icodec->time_base;
1987 codec->time_base.num *= icodec->ticks_per_frame;
1988 codec->time_base.den *= 2;
1990 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1991 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){
1992 codec->time_base = icodec->time_base;
1993 codec->time_base.num *= icodec->ticks_per_frame;
1996 av_reduce(&codec->time_base.num, &codec->time_base.den,
1997 codec->time_base.num, codec->time_base.den, INT_MAX);
1999 switch(codec->codec_type) {
2000 case AVMEDIA_TYPE_AUDIO:
2001 if(audio_volume != 256) {
2002 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2005 codec->channel_layout = icodec->channel_layout;
2006 codec->sample_rate = icodec->sample_rate;
2007 codec->channels = icodec->channels;
2008 codec->frame_size = icodec->frame_size;
2009 codec->audio_service_type = icodec->audio_service_type;
2010 codec->block_align= icodec->block_align;
2011 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2012 codec->block_align= 0;
2013 if(codec->codec_id == CODEC_ID_AC3)
2014 codec->block_align= 0;
2016 case AVMEDIA_TYPE_VIDEO:
2017 codec->pix_fmt = icodec->pix_fmt;
2018 codec->width = icodec->width;
2019 codec->height = icodec->height;
2020 codec->has_b_frames = icodec->has_b_frames;
2021 if (!codec->sample_aspect_ratio.num) {
2022 codec->sample_aspect_ratio =
2023 ost->st->sample_aspect_ratio =
2024 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2025 ist->st->codec->sample_aspect_ratio.num ?
2026 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2029 case AVMEDIA_TYPE_SUBTITLE:
2030 codec->width = icodec->width;
2031 codec->height = icodec->height;
2033 case AVMEDIA_TYPE_DATA:
2040 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2041 switch(codec->codec_type) {
2042 case AVMEDIA_TYPE_AUDIO:
2043 ost->fifo= av_fifo_alloc(1024);
2045 return AVERROR(ENOMEM);
2047 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2048 if (!codec->sample_rate) {
2049 codec->sample_rate = icodec->sample_rate;
2051 choose_sample_rate(ost->st, ost->enc);
2052 codec->time_base = (AVRational){1, codec->sample_rate};
2053 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2054 codec->sample_fmt = icodec->sample_fmt;
2055 choose_sample_fmt(ost->st, ost->enc);
2056 if (!codec->channels) {
2057 codec->channels = icodec->channels;
2058 codec->channel_layout = icodec->channel_layout;
2060 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2061 codec->channel_layout = 0;
2062 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2063 icodec->request_channels = codec->channels;
2064 ist->decoding_needed = 1;
2065 ost->encoding_needed = 1;
2066 ost->resample_sample_fmt = icodec->sample_fmt;
2067 ost->resample_sample_rate = icodec->sample_rate;
2068 ost->resample_channels = icodec->channels;
2070 case AVMEDIA_TYPE_VIDEO:
2071 if (codec->pix_fmt == PIX_FMT_NONE)
2072 codec->pix_fmt = icodec->pix_fmt;
2073 choose_pixel_fmt(ost->st, ost->enc);
2075 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2076 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2080 if (!codec->width || !codec->height) {
2081 codec->width = icodec->width;
2082 codec->height = icodec->height;
2085 ost->video_resample = codec->width != icodec->width ||
2086 codec->height != icodec->height ||
2087 codec->pix_fmt != icodec->pix_fmt;
2088 if (ost->video_resample) {
2089 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2092 ost->resample_height = icodec->height;
2093 ost->resample_width = icodec->width;
2094 ost->resample_pix_fmt= icodec->pix_fmt;
2095 ost->encoding_needed = 1;
2096 ist->decoding_needed = 1;
2098 if (!ost->frame_rate.num)
2099 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2100 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2101 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2102 ost->frame_rate = ost->enc->supported_framerates[idx];
2104 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2105 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2106 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2107 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2108 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2112 if (configure_video_filters(ist, ost)) {
2113 fprintf(stderr, "Error opening filters!\n");
2118 case AVMEDIA_TYPE_SUBTITLE:
2119 ost->encoding_needed = 1;
2120 ist->decoding_needed = 1;
2127 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2128 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2129 char logfilename[1024];
2132 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2133 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2135 if (codec->flags & CODEC_FLAG_PASS1) {
2136 f = fopen(logfilename, "wb");
2138 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2144 size_t logbuffer_size;
2145 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2146 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2149 codec->stats_in = logbuffer;
2153 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2154 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2155 int size= codec->width * codec->height;
2156 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2161 bit_buffer = av_malloc(bit_buffer_size);
2163 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2165 return AVERROR(ENOMEM);
2168 /* open each encoder */
2169 for (i = 0; i < nb_output_streams; i++) {
2170 ost = &output_streams[i];
2171 if (ost->encoding_needed) {
2172 AVCodec *codec = ost->enc;
2173 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2175 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2176 ost->st->codec->codec_id, ost->file_index, ost->index);
2177 ret = AVERROR(EINVAL);
2180 if (dec->subtitle_header) {
2181 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2182 if (!ost->st->codec->subtitle_header) {
2183 ret = AVERROR(ENOMEM);
2186 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2187 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2189 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2190 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2191 ost->file_index, ost->index);
2192 ret = AVERROR(EINVAL);
2195 assert_codec_experimental(ost->st->codec, 1);
2196 assert_avoptions(ost->opts);
2197 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2198 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2199 "It takes bits/s as argument, not kbits/s\n");
2200 extra_size += ost->st->codec->extradata_size;
2204 /* init input streams */
2205 for (i = 0; i < nb_input_streams; i++)
2206 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2209 /* open files and write file headers */
2210 for (i = 0; i < nb_output_files; i++) {
2211 os = output_files[i].ctx;
2212 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2213 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2214 ret = AVERROR(EINVAL);
2217 // assert_avoptions(output_files[i].opts);
2218 if (strcmp(os->oformat->name, "rtp")) {
2224 /* dump the file output parameters - cannot be done before in case
2226 for(i=0;i<nb_output_files;i++) {
2227 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2230 /* dump the stream mapping */
2232 fprintf(stderr, "Stream mapping:\n");
2233 for (i = 0; i < nb_output_streams;i ++) {
2234 ost = &output_streams[i];
2235 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2236 input_streams[ost->source_index].file_index,
2237 input_streams[ost->source_index].st->index,
2240 if (ost->sync_ist != &input_streams[ost->source_index])
2241 fprintf(stderr, " [sync #%d.%d]",
2242 ost->sync_ist->file_index,
2243 ost->sync_ist->st->index);
2244 if (ost->st->stream_copy)
2245 fprintf(stderr, " (copy)");
2247 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2248 input_streams[ost->source_index].dec->name : "?",
2249 ost->enc ? ost->enc->name : "?");
2250 fprintf(stderr, "\n");
2255 fprintf(stderr, "%s\n", error);
2260 print_sdp(output_files, nb_output_files);
2267 * The following code is the main loop of the file converter
2269 static int transcode(OutputFile *output_files,
2270 int nb_output_files,
2271 InputFile *input_files,
2275 AVFormatContext *is, *os;
2279 int no_packet_count=0;
2280 int64_t timer_start;
2283 if (!(no_packet = av_mallocz(nb_input_files)))
2286 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2292 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2293 avio_set_interrupt_cb(decode_interrupt_cb);
2297 timer_start = av_gettime();
2299 for(; received_sigterm == 0;) {
2300 int file_index, ist_index;
2305 ipts_min = INT64_MAX;
2307 /* if 'q' pressed, exits */
2311 /* read_key() returns 0 on EOF */
2315 if (key == '+') verbose++;
2316 if (key == '-') verbose--;
2317 if (key == 's') qp_hist ^= 1;
2320 do_hex_dump = do_pkt_dump = 0;
2321 } else if(do_pkt_dump){
2325 av_log_set_level(AV_LOG_DEBUG);
2327 if (key == 'd' || key == 'D'){
2330 debug = input_streams[0].st->codec->debug<<1;
2331 if(!debug) debug = 1;
2332 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2335 scanf("%d", &debug);
2336 for(i=0;i<nb_input_streams;i++) {
2337 input_streams[i].st->codec->debug = debug;
2339 for(i=0;i<nb_output_streams;i++) {
2340 ost = &output_streams[i];
2341 ost->st->codec->debug = debug;
2343 if(debug) av_log_set_level(AV_LOG_DEBUG);
2344 fprintf(stderr,"debug=%d\n", debug);
2347 fprintf(stderr, "key function\n"
2348 "? show this help\n"
2349 "+ increase verbosity\n"
2350 "- decrease verbosity\n"
2351 "D cycle through available debug modes\n"
2352 "h dump packets/hex press to cycle through the 3 states\n"
2354 "s Show QP histogram\n"
2359 /* select the stream that we must read now by looking at the
2360 smallest output pts */
2362 for (i = 0; i < nb_output_streams; i++) {
2366 ost = &output_streams[i];
2367 of = &output_files[ost->file_index];
2368 os = output_files[ost->file_index].ctx;
2369 ist = &input_streams[ost->source_index];
2370 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2371 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2373 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2375 if (!input_files[ist->file_index].eof_reached){
2376 if(ipts < ipts_min) {
2378 if(input_sync ) file_index = ist->file_index;
2380 if(opts < opts_min) {
2382 if(!input_sync) file_index = ist->file_index;
2385 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2390 /* if none, if is finished */
2391 if (file_index < 0) {
2392 if(no_packet_count){
2394 memset(no_packet, 0, nb_input_files);
2401 /* read a frame from it and output it in the fifo */
2402 is = input_files[file_index].ctx;
2403 ret= av_read_frame(is, &pkt);
2404 if(ret == AVERROR(EAGAIN)){
2405 no_packet[file_index]=1;
2410 input_files[file_index].eof_reached = 1;
2418 memset(no_packet, 0, nb_input_files);
2421 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2422 is->streams[pkt.stream_index]);
2424 /* the following test is needed in case new streams appear
2425 dynamically in stream : we ignore them */
2426 if (pkt.stream_index >= input_files[file_index].nb_streams)
2427 goto discard_packet;
2428 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2429 ist = &input_streams[ist_index];
2431 goto discard_packet;
2433 if (pkt.dts != AV_NOPTS_VALUE)
2434 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2435 if (pkt.pts != AV_NOPTS_VALUE)
2436 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2438 if (ist->ts_scale) {
2439 if(pkt.pts != AV_NOPTS_VALUE)
2440 pkt.pts *= ist->ts_scale;
2441 if(pkt.dts != AV_NOPTS_VALUE)
2442 pkt.dts *= ist->ts_scale;
2445 // 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);
2446 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2447 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2448 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2449 int64_t delta= pkt_dts - ist->next_pts;
2450 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2451 input_files[ist->file_index].ts_offset -= delta;
2453 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2454 delta, input_files[ist->file_index].ts_offset);
2455 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2456 if(pkt.pts != AV_NOPTS_VALUE)
2457 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2461 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2462 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2465 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2466 ist->file_index, ist->st->index);
2469 av_free_packet(&pkt);
2474 av_free_packet(&pkt);
2476 /* dump report by using the output first video and audio streams */
2477 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2480 /* at the end of stream, we must flush the decoder buffers */
2481 for (i = 0; i < nb_input_streams; i++) {
2482 ist = &input_streams[i];
2483 if (ist->decoding_needed) {
2484 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2487 flush_encoders(output_streams, nb_output_streams);
2491 /* write the trailer if needed and close file */
2492 for(i=0;i<nb_output_files;i++) {
2493 os = output_files[i].ctx;
2494 av_write_trailer(os);
2497 /* dump report by using the first video and audio streams */
2498 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2500 /* close each encoder */
2501 for (i = 0; i < nb_output_streams; i++) {
2502 ost = &output_streams[i];
2503 if (ost->encoding_needed) {
2504 av_freep(&ost->st->codec->stats_in);
2505 avcodec_close(ost->st->codec);
2508 avfilter_graph_free(&ost->graph);
2512 /* close each decoder */
2513 for (i = 0; i < nb_input_streams; i++) {
2514 ist = &input_streams[i];
2515 if (ist->decoding_needed) {
2516 avcodec_close(ist->st->codec);
2524 av_freep(&bit_buffer);
2525 av_freep(&no_packet);
2527 if (output_streams) {
2528 for (i = 0; i < nb_output_streams; i++) {
2529 ost = &output_streams[i];
2531 if (ost->st->stream_copy)
2532 av_freep(&ost->st->codec->extradata);
2534 fclose(ost->logfile);
2535 ost->logfile = NULL;
2537 av_fifo_free(ost->fifo); /* works even if fifo is not
2538 initialized but set to zero */
2539 av_freep(&ost->st->codec->subtitle_header);
2540 av_free(ost->resample_frame.data[0]);
2541 av_free(ost->forced_kf_pts);
2542 if (ost->video_resample)
2543 sws_freeContext(ost->img_resample_ctx);
2545 audio_resample_close(ost->resample);
2546 if (ost->reformat_ctx)
2547 av_audio_convert_free(ost->reformat_ctx);
2548 av_dict_free(&ost->opts);
2555 static int opt_format(const char *opt, const char *arg)
2557 last_asked_format = arg;
2561 static int opt_video_rc_override_string(const char *opt, const char *arg)
2563 video_rc_override_string = arg;
2567 static int opt_me_threshold(const char *opt, const char *arg)
2569 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2573 static int opt_verbose(const char *opt, const char *arg)
2575 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2579 static int opt_frame_rate(const char *opt, const char *arg)
2581 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2582 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2588 static int opt_frame_size(const char *opt, const char *arg)
2590 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2591 fprintf(stderr, "Incorrect frame size\n");
2592 return AVERROR(EINVAL);
2597 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2599 if (strcmp(arg, "list")) {
2600 frame_pix_fmt = av_get_pix_fmt(arg);
2601 if (frame_pix_fmt == PIX_FMT_NONE) {
2602 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2603 return AVERROR(EINVAL);
2606 opt_pix_fmts(NULL, NULL);
2612 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2619 p = strchr(arg, ':');
2621 x = strtol(arg, &end, 10);
2623 y = strtol(end+1, &end, 10);
2625 ar = (double)x / (double)y;
2627 ar = strtod(arg, NULL);
2630 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2631 return AVERROR(EINVAL);
2633 frame_aspect_ratio = ar;
2637 static int opt_metadata(const char *opt, const char *arg)
2639 char *mid= strchr(arg, '=');
2642 fprintf(stderr, "Missing =\n");
2647 av_dict_set(&metadata, arg, mid, 0);
2652 static int opt_qscale(const char *opt, const char *arg)
2654 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2655 if (video_qscale <= 0 || video_qscale > 255) {
2656 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2657 return AVERROR(EINVAL);
2662 static int opt_top_field_first(const char *opt, const char *arg)
2664 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2665 return opt_default(opt, arg);
2668 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2670 if (strcmp(arg, "list")) {
2671 audio_sample_fmt = av_get_sample_fmt(arg);
2672 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2673 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2674 return AVERROR(EINVAL);
2679 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2680 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2686 static int opt_audio_rate(const char *opt, const char *arg)
2688 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2692 static int opt_audio_channels(const char *opt, const char *arg)
2694 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2698 static int opt_codec(const char *opt, const char *arg)
2700 return av_dict_set(&codec_names, opt, arg, 0);
2703 static int opt_audio_codec(const char *opt, const char *arg)
2705 return opt_codec("codec:a", arg);
2708 static int opt_video_codec(const char *opt, const char *arg)
2710 return opt_codec("codec:v", arg);
2713 static int opt_subtitle_codec(const char *opt, const char *arg)
2715 return opt_codec("codec:s", arg);
2718 static int opt_data_codec(const char *opt, const char *arg)
2720 return opt_codec("codec:d", arg);
2723 static int opt_codec_tag(const char *opt, const char *arg)
2726 uint32_t *codec_tag;
2728 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2729 !strcmp(opt, "vtag") ? &video_codec_tag :
2730 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2734 *codec_tag = strtol(arg, &tail, 0);
2736 *codec_tag = AV_RL32(arg);
2741 static int opt_map(const char *opt, const char *arg)
2743 StreamMap *m = NULL;
2744 int i, negative = 0, file_idx;
2745 int sync_file_idx = -1, sync_stream_idx;
2753 map = av_strdup(arg);
2755 /* parse sync stream first, just pick first matching stream */
2756 if (sync = strchr(map, ',')) {
2758 sync_file_idx = strtol(sync + 1, &sync, 0);
2759 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2760 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2765 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2766 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2767 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2768 sync_stream_idx = i;
2771 if (i == input_files[sync_file_idx].nb_streams) {
2772 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2773 "match any streams.\n", arg);
2779 file_idx = strtol(map, &p, 0);
2780 if (file_idx >= nb_input_files || file_idx < 0) {
2781 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2785 /* disable some already defined maps */
2786 for (i = 0; i < nb_stream_maps; i++) {
2787 m = &stream_maps[i];
2788 if (check_stream_specifier(input_files[m->file_index].ctx,
2789 input_files[m->file_index].ctx->streams[m->stream_index],
2790 *p == ':' ? p + 1 : p) > 0)
2794 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2795 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2796 *p == ':' ? p + 1 : p) <= 0)
2798 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2799 m = &stream_maps[nb_stream_maps - 1];
2801 m->file_index = file_idx;
2802 m->stream_index = i;
2804 if (sync_file_idx >= 0) {
2805 m->sync_file_index = sync_file_idx;
2806 m->sync_stream_index = sync_stream_idx;
2808 m->sync_file_index = file_idx;
2809 m->sync_stream_index = i;
2814 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2822 static void parse_meta_type(char *arg, char *type, int *index)
2832 if (*(++arg) == ':')
2833 *index = strtol(++arg, NULL, 0);
2836 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2843 static int opt_map_metadata(const char *opt, const char *arg)
2845 MetadataMap *m, *m1;
2848 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2849 &nb_meta_data_maps, nb_meta_data_maps + 1);
2851 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2852 m->file = strtol(arg, &p, 0);
2853 parse_meta_type(p, &m->type, &m->index);
2855 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2856 if (p = strchr(opt, ':'))
2857 parse_meta_type(p, &m1->type, &m1->index);
2861 if (m->type == 'g' || m1->type == 'g')
2862 metadata_global_autocopy = 0;
2863 if (m->type == 's' || m1->type == 's')
2864 metadata_streams_autocopy = 0;
2865 if (m->type == 'c' || m1->type == 'c')
2866 metadata_chapters_autocopy = 0;
2871 static int opt_input_ts_scale(const char *opt, const char *arg)
2873 return av_dict_set(&ts_scale, opt, arg, 0);
2876 static int opt_recording_time(const char *opt, const char *arg)
2878 recording_time = parse_time_or_die(opt, arg, 1);
2882 static int opt_start_time(const char *opt, const char *arg)
2884 start_time = parse_time_or_die(opt, arg, 1);
2888 static int opt_input_ts_offset(const char *opt, const char *arg)
2890 input_ts_offset = parse_time_or_die(opt, arg, 1);
2894 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2896 const char *codec_string = encoder ? "encoder" : "decoder";
2900 return CODEC_ID_NONE;
2902 avcodec_find_encoder_by_name(name) :
2903 avcodec_find_decoder_by_name(name);
2905 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2908 if(codec->type != type) {
2909 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2915 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2917 AVDictionaryEntry *e = NULL;
2918 char *codec_name = NULL;
2921 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2922 char *p = strchr(e->key, ':');
2924 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2925 codec_name = e->value;
2932 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2933 return avcodec_find_encoder(st->codec->codec_id);
2935 } else if (!strcmp(codec_name, "copy"))
2936 st->stream_copy = 1;
2938 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2939 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2940 avcodec_find_decoder_by_name(codec_name);
2947 * Add all the streams from the given input file to the global
2948 * list of input streams.
2950 static void add_input_streams(AVFormatContext *ic)
2952 int i, rfps, rfps_base, ret;
2954 for (i = 0; i < ic->nb_streams; i++) {
2955 AVStream *st = ic->streams[i];
2956 AVCodecContext *dec = st->codec;
2957 AVDictionaryEntry *e = NULL;
2961 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2962 ist = &input_streams[nb_input_streams - 1];
2964 ist->file_index = nb_input_files;
2966 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2968 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2969 char *p = strchr(e->key, ':');
2971 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2977 ist->ts_scale = strtod(scale, NULL);
2979 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2981 ist->dec = avcodec_find_decoder(dec->codec_id);
2983 switch (dec->codec_type) {
2984 case AVMEDIA_TYPE_AUDIO:
2986 ist->dec = avcodec_find_decoder(dec->codec_id);
2988 st->discard= AVDISCARD_ALL;
2990 case AVMEDIA_TYPE_VIDEO:
2992 ist->dec = avcodec_find_decoder(dec->codec_id);
2993 rfps = ic->streams[i]->r_frame_rate.num;
2994 rfps_base = ic->streams[i]->r_frame_rate.den;
2996 dec->flags |= CODEC_FLAG_EMU_EDGE;
2999 dec->debug |= FF_DEBUG_MV;
3001 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3004 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3005 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3007 (float)rfps / rfps_base, rfps, rfps_base);
3011 st->discard= AVDISCARD_ALL;
3012 else if(video_discard)
3013 st->discard= video_discard;
3015 case AVMEDIA_TYPE_DATA:
3017 case AVMEDIA_TYPE_SUBTITLE:
3019 ist->dec = avcodec_find_decoder(dec->codec_id);
3020 if(subtitle_disable)
3021 st->discard = AVDISCARD_ALL;
3023 case AVMEDIA_TYPE_ATTACHMENT:
3024 case AVMEDIA_TYPE_UNKNOWN:
3032 static int opt_input_file(const char *opt, const char *filename)
3034 AVFormatContext *ic;
3035 AVInputFormat *file_iformat = NULL;
3039 AVDictionary **opts;
3040 int orig_nb_streams; // number of streams before avformat_find_stream_info
3042 if (last_asked_format) {
3043 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3044 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3047 last_asked_format = NULL;
3050 if (!strcmp(filename, "-"))
3053 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3054 !strcmp(filename, "/dev/stdin");
3056 /* get default parameters from command line */
3057 ic = avformat_alloc_context();
3059 print_error(filename, AVERROR(ENOMEM));
3062 if (audio_sample_rate) {
3063 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3064 av_dict_set(&format_opts, "sample_rate", buf, 0);
3066 if (audio_channels) {
3067 snprintf(buf, sizeof(buf), "%d", audio_channels);
3068 av_dict_set(&format_opts, "channels", buf, 0);
3070 if (frame_rate.num) {
3071 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3072 av_dict_set(&format_opts, "framerate", buf, 0);
3074 if (frame_width && frame_height) {
3075 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3076 av_dict_set(&format_opts, "video_size", buf, 0);
3078 if (frame_pix_fmt != PIX_FMT_NONE)
3079 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3081 ic->flags |= AVFMT_FLAG_NONBLOCK;
3083 /* open the input file with generic libav function */
3084 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3086 print_error(filename, err);
3089 assert_avoptions(format_opts);
3094 for(i=0; i<ic->nb_streams; i++){
3095 ic->streams[i]->discard= AVDISCARD_ALL;
3097 for(i=0; i<ic->nb_programs; i++){
3098 AVProgram *p= ic->programs[i];
3099 if(p->id != opt_programid){
3100 p->discard = AVDISCARD_ALL;
3103 for(j=0; j<p->nb_stream_indexes; j++){
3104 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3109 fprintf(stderr, "Specified program id not found\n");
3115 /* apply forced codec ids */
3116 for (i = 0; i < ic->nb_streams; i++)
3117 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3119 /* Set AVCodecContext options for avformat_find_stream_info */
3120 opts = setup_find_stream_info_opts(ic, codec_opts);
3121 orig_nb_streams = ic->nb_streams;
3123 /* If not enough info to get the stream parameters, we decode the
3124 first frames to get it. (used in mpeg case for example) */
3125 ret = avformat_find_stream_info(ic, opts);
3126 if (ret < 0 && verbose >= 0) {
3127 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3128 av_close_input_file(ic);
3132 timestamp = start_time;
3133 /* add the stream start time */
3134 if (ic->start_time != AV_NOPTS_VALUE)
3135 timestamp += ic->start_time;
3137 /* if seeking requested, we execute it */
3138 if (start_time != 0) {
3139 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3141 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3142 filename, (double)timestamp / AV_TIME_BASE);
3144 /* reset seek info */
3148 /* update the current parameters so that they match the one of the input stream */
3149 add_input_streams(ic);
3151 /* dump the file content */
3153 av_dump_format(ic, nb_input_files, filename, 0);
3155 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3156 input_files[nb_input_files - 1].ctx = ic;
3157 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3158 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3159 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3161 top_field_first = -1;
3162 frame_rate = (AVRational){0, 0};
3163 frame_pix_fmt = PIX_FMT_NONE;
3166 audio_sample_rate = 0;
3168 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3169 av_dict_free(&ts_scale);
3170 input_ts_offset = 0;
3172 for (i = 0; i < orig_nb_streams; i++)
3173 av_dict_free(&opts[i]);
3175 av_dict_free(&codec_names);
3181 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3182 AVCodecContext *avctx)
3188 for (p = kf; *p; p++)
3191 ost->forced_kf_count = n;
3192 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3193 if (!ost->forced_kf_pts) {
3194 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3197 for (i = 0; i < n; i++) {
3198 p = i ? strchr(p, ',') + 1 : kf;
3199 t = parse_time_or_die("force_key_frames", p, 1);
3200 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3204 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3207 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3208 int idx = oc->nb_streams - 1;
3211 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3215 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3216 nb_output_streams + 1);
3217 ost = &output_streams[nb_output_streams - 1];
3218 ost->file_index = nb_output_files;
3221 st->codec->codec_type = type;
3222 ost->enc = choose_codec(oc, st, type, codec_names);
3224 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3227 avcodec_get_context_defaults3(st->codec, ost->enc);
3228 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3230 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3234 static OutputStream *new_video_stream(AVFormatContext *oc)
3238 AVCodecContext *video_enc;
3240 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3242 if (!st->stream_copy) {
3243 ost->frame_aspect_ratio = frame_aspect_ratio;
3244 frame_aspect_ratio = 0;
3246 ost->avfilter = vfilters;
3251 ost->bitstream_filters = video_bitstream_filters;
3252 video_bitstream_filters= NULL;
3254 video_enc = st->codec;
3257 video_enc->codec_tag= video_codec_tag;
3259 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3260 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3263 if (st->stream_copy) {
3264 video_enc->sample_aspect_ratio =
3265 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3271 ost->frame_rate = frame_rate;
3273 video_enc->width = frame_width;
3274 video_enc->height = frame_height;
3275 video_enc->pix_fmt = frame_pix_fmt;
3276 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3277 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3279 if (video_qscale || same_quant) {
3280 video_enc->flags |= CODEC_FLAG_QSCALE;
3281 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3285 video_enc->intra_matrix = intra_matrix;
3287 video_enc->inter_matrix = inter_matrix;
3289 p= video_rc_override_string;
3292 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3294 fprintf(stderr, "error parsing rc_override\n");
3297 video_enc->rc_override=
3298 av_realloc(video_enc->rc_override,
3299 sizeof(RcOverride)*(i+1));
3300 video_enc->rc_override[i].start_frame= start;
3301 video_enc->rc_override[i].end_frame = end;
3303 video_enc->rc_override[i].qscale= q;
3304 video_enc->rc_override[i].quality_factor= 1.0;
3307 video_enc->rc_override[i].qscale= 0;
3308 video_enc->rc_override[i].quality_factor= -q/100.0;
3313 video_enc->rc_override_count=i;
3314 if (!video_enc->rc_initial_buffer_occupancy)
3315 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3316 video_enc->me_threshold= me_threshold;
3317 video_enc->intra_dc_precision= intra_dc_precision - 8;
3320 video_enc->flags|= CODEC_FLAG_PSNR;
3325 video_enc->flags |= CODEC_FLAG_PASS1;
3327 video_enc->flags |= CODEC_FLAG_PASS2;
3331 if (forced_key_frames)
3332 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3334 if (video_language) {
3335 av_dict_set(&st->metadata, "language", video_language, 0);
3336 av_freep(&video_language);
3339 /* reset some key parameters */
3341 av_freep(&forced_key_frames);
3342 frame_pix_fmt = PIX_FMT_NONE;
3346 static OutputStream *new_audio_stream(AVFormatContext *oc)
3350 AVCodecContext *audio_enc;
3352 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3355 ost->bitstream_filters = audio_bitstream_filters;
3356 audio_bitstream_filters= NULL;
3358 audio_enc = st->codec;
3359 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3362 audio_enc->codec_tag= audio_codec_tag;
3364 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3365 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3367 if (!st->stream_copy) {
3368 if (audio_qscale > QSCALE_NONE) {
3369 audio_enc->flags |= CODEC_FLAG_QSCALE;
3370 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3373 audio_enc->channels = audio_channels;
3374 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3375 audio_enc->sample_fmt = audio_sample_fmt;
3376 if (audio_sample_rate)
3377 audio_enc->sample_rate = audio_sample_rate;
3379 if (audio_language) {
3380 av_dict_set(&st->metadata, "language", audio_language, 0);
3381 av_freep(&audio_language);
3384 /* reset some key parameters */
3390 static OutputStream *new_data_stream(AVFormatContext *oc)
3394 AVCodecContext *data_enc;
3396 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3398 data_enc = st->codec;
3399 if (!st->stream_copy) {
3400 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3405 data_enc->codec_tag= data_codec_tag;
3407 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3408 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3415 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3419 AVCodecContext *subtitle_enc;
3421 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3423 subtitle_enc = st->codec;
3425 ost->bitstream_filters = subtitle_bitstream_filters;
3426 subtitle_bitstream_filters= NULL;
3428 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3430 if(subtitle_codec_tag)
3431 subtitle_enc->codec_tag= subtitle_codec_tag;
3433 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3434 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3437 if (subtitle_language) {
3438 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3439 av_freep(&subtitle_language);
3442 subtitle_disable = 0;
3446 /* arg format is "output-stream-index:streamid-value". */
3447 static int opt_streamid(const char *opt, const char *arg)
3453 av_strlcpy(idx_str, arg, sizeof(idx_str));
3454 p = strchr(idx_str, ':');
3457 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3462 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3463 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3464 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3468 static int copy_chapters(int infile, int outfile)
3470 AVFormatContext *is = input_files[infile].ctx;
3471 AVFormatContext *os = output_files[outfile].ctx;
3474 for (i = 0; i < is->nb_chapters; i++) {
3475 AVChapter *in_ch = is->chapters[i], *out_ch;
3476 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3477 AV_TIME_BASE_Q, in_ch->time_base);
3478 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3479 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3482 if (in_ch->end < ts_off)
3484 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3487 out_ch = av_mallocz(sizeof(AVChapter));
3489 return AVERROR(ENOMEM);
3491 out_ch->id = in_ch->id;
3492 out_ch->time_base = in_ch->time_base;
3493 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3494 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3496 if (metadata_chapters_autocopy)
3497 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3500 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3502 return AVERROR(ENOMEM);
3503 os->chapters[os->nb_chapters - 1] = out_ch;
3508 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3511 AVFormatContext *ic = NULL;
3513 err = avformat_open_input(&ic, filename, NULL, NULL);
3516 /* copy stream format */
3517 for(i=0;i<ic->nb_streams;i++) {
3522 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3523 ost = new_output_stream(s, codec->type);
3526 // FIXME: a more elegant solution is needed
3527 memcpy(st, ic->streams[i], sizeof(AVStream));
3528 st->info = av_malloc(sizeof(*st->info));
3529 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3530 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3532 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3533 choose_sample_fmt(st, codec);
3534 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3535 choose_pixel_fmt(st, codec);
3538 av_close_input_file(ic);
3542 static int opt_output_file(const char *opt, const char *filename)
3544 AVFormatContext *oc;
3546 AVOutputFormat *file_oformat;
3550 if (!strcmp(filename, "-"))
3553 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3554 last_asked_format = NULL;
3556 print_error(filename, err);
3560 file_oformat= oc->oformat;
3562 if (!strcmp(file_oformat->name, "ffm") &&
3563 av_strstart(filename, "http:", NULL)) {
3564 /* special case for files sent to ffserver: we get the stream
3565 parameters from ffserver */
3566 int err = read_ffserver_streams(oc, filename);
3568 print_error(filename, err);
3571 } else if (!nb_stream_maps) {
3572 /* pick the "best" stream of each type */
3573 #define NEW_STREAM(type, index)\
3575 ost = new_ ## type ## _stream(oc);\
3576 ost->source_index = index;\
3577 ost->sync_ist = &input_streams[index];\
3578 input_streams[index].discard = 0;\
3581 /* video: highest resolution */
3582 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3583 int area = 0, idx = -1;
3584 for (i = 0; i < nb_input_streams; i++) {
3585 ist = &input_streams[i];
3586 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3587 ist->st->codec->width * ist->st->codec->height > area) {
3588 area = ist->st->codec->width * ist->st->codec->height;
3592 NEW_STREAM(video, idx);
3595 /* audio: most channels */
3596 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3597 int channels = 0, idx = -1;
3598 for (i = 0; i < nb_input_streams; i++) {
3599 ist = &input_streams[i];
3600 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3601 ist->st->codec->channels > channels) {
3602 channels = ist->st->codec->channels;
3606 NEW_STREAM(audio, idx);
3609 /* subtitles: pick first */
3610 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3611 for (i = 0; i < nb_input_streams; i++)
3612 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3613 NEW_STREAM(subtitle, i);
3617 /* do something with data? */
3619 for (i = 0; i < nb_stream_maps; i++) {
3620 StreamMap *map = &stream_maps[i];
3625 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3626 switch (ist->st->codec->codec_type) {
3627 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3628 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3629 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3630 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3632 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3633 map->file_index, map->stream_index);
3637 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3638 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3639 map->sync_stream_index];
3644 av_dict_copy(&oc->metadata, metadata, 0);
3645 av_dict_free(&metadata);
3648 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3649 output_files[nb_output_files - 1].ctx = oc;
3650 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3651 output_files[nb_output_files - 1].recording_time = recording_time;
3652 output_files[nb_output_files - 1].start_time = start_time;
3653 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3654 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3656 /* check filename in case of an image number is expected */
3657 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3658 if (!av_filename_number_test(oc->filename)) {
3659 print_error(oc->filename, AVERROR(EINVAL));
3664 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3665 /* test if it already exists to avoid loosing precious files */
3666 if (!file_overwrite &&
3667 (strchr(filename, ':') == NULL ||
3668 filename[1] == ':' ||
3669 av_strstart(filename, "file:", NULL))) {
3670 if (avio_check(filename, 0) == 0) {
3672 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3674 if (!read_yesno()) {
3675 fprintf(stderr, "Not overwriting - exiting\n");
3680 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3687 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3688 print_error(filename, err);
3693 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3694 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3697 if (chapters_input_file >= nb_input_files) {
3698 if (chapters_input_file == INT_MAX) {
3699 /* copy chapters from the first input file that has them*/
3700 chapters_input_file = -1;
3701 for (i = 0; i < nb_input_files; i++)
3702 if (input_files[i].ctx->nb_chapters) {
3703 chapters_input_file = i;
3707 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3708 chapters_input_file);
3712 if (chapters_input_file >= 0)
3713 copy_chapters(chapters_input_file, nb_output_files - 1);
3716 for (i = 0; i < nb_meta_data_maps; i++) {
3717 AVFormatContext *files[2];
3718 AVDictionary **meta[2];
3721 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3722 if ((index) < 0 || (index) >= (nb_elems)) {\
3723 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3728 int in_file_index = meta_data_maps[i][1].file;
3729 if (in_file_index < 0)
3731 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3734 files[1] = input_files[in_file_index].ctx;
3736 for (j = 0; j < 2; j++) {
3737 MetadataMap *map = &meta_data_maps[i][j];
3739 switch (map->type) {
3741 meta[j] = &files[j]->metadata;
3744 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3745 meta[j] = &files[j]->streams[map->index]->metadata;
3748 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3749 meta[j] = &files[j]->chapters[map->index]->metadata;
3752 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3753 meta[j] = &files[j]->programs[map->index]->metadata;
3758 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3761 /* copy global metadata by default */
3762 if (metadata_global_autocopy && nb_input_files)
3763 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3764 AV_DICT_DONT_OVERWRITE);
3765 if (metadata_streams_autocopy)
3766 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3767 InputStream *ist = &input_streams[output_streams[i].source_index];
3768 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3771 frame_rate = (AVRational){0, 0};
3774 audio_sample_rate = 0;
3776 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3777 chapters_input_file = INT_MAX;
3778 recording_time = INT64_MAX;
3780 limit_filesize = UINT64_MAX;
3782 av_freep(&meta_data_maps);
3783 nb_meta_data_maps = 0;
3784 metadata_global_autocopy = 1;
3785 metadata_streams_autocopy = 1;
3786 metadata_chapters_autocopy = 1;
3787 av_freep(&stream_maps);
3789 av_freep(&streamid_map);
3790 nb_streamid_map = 0;
3792 av_dict_free(&codec_names);
3794 av_freep(&forced_key_frames);
3800 /* same option as mencoder */
3801 static int opt_pass(const char *opt, const char *arg)
3803 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3807 static int64_t getutime(void)
3810 struct rusage rusage;
3812 getrusage(RUSAGE_SELF, &rusage);
3813 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3814 #elif HAVE_GETPROCESSTIMES
3816 FILETIME c, e, k, u;
3817 proc = GetCurrentProcess();
3818 GetProcessTimes(proc, &c, &e, &k, &u);
3819 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3821 return av_gettime();
3825 static int64_t getmaxrss(void)
3827 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3828 struct rusage rusage;
3829 getrusage(RUSAGE_SELF, &rusage);
3830 return (int64_t)rusage.ru_maxrss * 1024;
3831 #elif HAVE_GETPROCESSMEMORYINFO
3833 PROCESS_MEMORY_COUNTERS memcounters;
3834 proc = GetCurrentProcess();
3835 memcounters.cb = sizeof(memcounters);
3836 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3837 return memcounters.PeakPagefileUsage;
3843 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3846 const char *p = str;
3853 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3860 static int opt_inter_matrix(const char *opt, const char *arg)
3862 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3863 parse_matrix_coeffs(inter_matrix, arg);
3867 static int opt_intra_matrix(const char *opt, const char *arg)
3869 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3870 parse_matrix_coeffs(intra_matrix, arg);
3874 static void show_usage(void)
3876 printf("Hyper fast Audio and Video encoder\n");
3877 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3881 static int opt_help(const char *opt, const char *arg)
3884 AVOutputFormat *oformat = NULL;
3885 AVInputFormat *iformat = NULL;
3886 const AVClass *class;
3888 av_log_set_callback(log_callback_help);
3890 show_help_options(options, "Main options:\n",
3891 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3892 show_help_options(options, "\nAdvanced options:\n",
3893 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3895 show_help_options(options, "\nVideo options:\n",
3896 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3898 show_help_options(options, "\nAdvanced Video options:\n",
3899 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3900 OPT_VIDEO | OPT_EXPERT);
3901 show_help_options(options, "\nAudio options:\n",
3902 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3904 show_help_options(options, "\nAdvanced Audio options:\n",
3905 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3906 OPT_AUDIO | OPT_EXPERT);
3907 show_help_options(options, "\nSubtitle options:\n",
3908 OPT_SUBTITLE | OPT_GRAB,
3910 show_help_options(options, "\nAudio/Video grab options:\n",
3914 class = avcodec_get_class();
3915 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3918 /* individual codec options */
3920 while ((c = av_codec_next(c))) {
3921 if (c->priv_class) {
3922 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3927 class = avformat_get_class();
3928 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3931 /* individual muxer options */
3932 while ((oformat = av_oformat_next(oformat))) {
3933 if (oformat->priv_class) {
3934 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3939 /* individual demuxer options */
3940 while ((iformat = av_iformat_next(iformat))) {
3941 if (iformat->priv_class) {
3942 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3947 class = sws_get_class();
3948 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3952 static int opt_target(const char *opt, const char *arg)
3954 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3955 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3957 if(!strncmp(arg, "pal-", 4)) {
3960 } else if(!strncmp(arg, "ntsc-", 5)) {
3963 } else if(!strncmp(arg, "film-", 5)) {
3968 /* Calculate FR via float to avoid int overflow */
3969 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3972 } else if((fr == 29970) || (fr == 23976)) {
3975 /* Try to determine PAL/NTSC by peeking in the input files */
3976 if(nb_input_files) {
3978 for (j = 0; j < nb_input_files; j++) {
3979 for (i = 0; i < input_files[j].nb_streams; i++) {
3980 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3981 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3983 fr = c->time_base.den * 1000 / c->time_base.num;
3987 } else if((fr == 29970) || (fr == 23976)) {
3997 if(verbose > 0 && norm != UNKNOWN)
3998 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4001 if(norm == UNKNOWN) {
4002 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4003 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4004 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4008 if(!strcmp(arg, "vcd")) {
4009 opt_codec("c:v", "mpeg1video");
4010 opt_codec("c:a", "mp2");
4011 opt_format("f", "vcd");
4013 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4014 opt_frame_rate("r", frame_rates[norm]);
4015 opt_default("g", norm == PAL ? "15" : "18");
4017 opt_default("b", "1150000");
4018 opt_default("maxrate", "1150000");
4019 opt_default("minrate", "1150000");
4020 opt_default("bufsize", "327680"); // 40*1024*8;
4022 opt_default("b:a", "224000");
4023 audio_sample_rate = 44100;
4026 opt_default("packetsize", "2324");
4027 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4029 /* We have to offset the PTS, so that it is consistent with the SCR.
4030 SCR starts at 36000, but the first two packs contain only padding
4031 and the first pack from the other stream, respectively, may also have
4032 been written before.
4033 So the real data starts at SCR 36000+3*1200. */
4034 mux_preload= (36000+3*1200) / 90000.0; //0.44
4035 } else if(!strcmp(arg, "svcd")) {
4037 opt_codec("c:v", "mpeg2video");
4038 opt_codec("c:a", "mp2");
4039 opt_format("f", "svcd");
4041 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4042 opt_frame_rate("r", frame_rates[norm]);
4043 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4044 opt_default("g", norm == PAL ? "15" : "18");
4046 opt_default("b", "2040000");
4047 opt_default("maxrate", "2516000");
4048 opt_default("minrate", "0"); //1145000;
4049 opt_default("bufsize", "1835008"); //224*1024*8;
4050 opt_default("flags", "+scan_offset");
4053 opt_default("b:a", "224000");
4054 audio_sample_rate = 44100;
4056 opt_default("packetsize", "2324");
4058 } else if(!strcmp(arg, "dvd")) {
4060 opt_codec("c:v", "mpeg2video");
4061 opt_codec("c:a", "ac3");
4062 opt_format("f", "dvd");
4064 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4065 opt_frame_rate("r", frame_rates[norm]);
4066 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4067 opt_default("g", norm == PAL ? "15" : "18");
4069 opt_default("b", "6000000");
4070 opt_default("maxrate", "9000000");
4071 opt_default("minrate", "0"); //1500000;
4072 opt_default("bufsize", "1835008"); //224*1024*8;
4074 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4075 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4077 opt_default("b:a", "448000");
4078 audio_sample_rate = 48000;
4080 } else if(!strncmp(arg, "dv", 2)) {
4082 opt_format("f", "dv");
4084 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4085 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4086 norm == PAL ? "yuv420p" : "yuv411p");
4087 opt_frame_rate("r", frame_rates[norm]);
4089 audio_sample_rate = 48000;
4093 fprintf(stderr, "Unknown target: %s\n", arg);
4094 return AVERROR(EINVAL);
4099 static int opt_vstats_file(const char *opt, const char *arg)
4101 av_free (vstats_filename);
4102 vstats_filename=av_strdup (arg);
4106 static int opt_vstats(const char *opt, const char *arg)
4109 time_t today2 = time(NULL);
4110 struct tm *today = localtime(&today2);
4112 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4114 return opt_vstats_file(opt, filename);
4117 static int opt_bsf(const char *opt, const char *arg)
4119 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4120 AVBitStreamFilterContext **bsfp;
4123 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4127 bsfp= *opt == 'v' ? &video_bitstream_filters :
4128 *opt == 'a' ? &audio_bitstream_filters :
4129 &subtitle_bitstream_filters;
4131 bsfp= &(*bsfp)->next;
4138 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4142 static int opt_passlogfile(const char *opt, const char *arg)
4144 pass_logfilename_prefix = arg;
4145 #if CONFIG_LIBX264_ENCODER
4146 return opt_default("passlogfile", arg);
4152 static const OptionDef options[] = {
4154 #include "cmdutils_common_opts.h"
4155 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4156 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4157 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4158 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4159 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4160 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4161 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4162 "outfile[,metadata]:infile[,metadata]" },
4163 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4164 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4165 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4166 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4167 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4168 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4169 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4170 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4171 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4172 "add timings for benchmarking" },
4173 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4174 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4175 "dump each input packet" },
4176 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4177 "when dumping packets, also dump the payload" },
4178 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4179 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4180 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4181 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4182 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4183 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4184 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4185 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4186 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4187 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4188 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4189 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4190 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4193 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4194 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4195 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4196 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4197 { "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" },
4198 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
4199 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4200 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4201 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4202 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4203 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4204 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4205 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4206 "use same quantizer as source (implies VBR)" },
4207 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4208 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4209 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4210 "deinterlace pictures" },
4211 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4212 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4213 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4215 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4217 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4218 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4219 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4220 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4221 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4222 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4223 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4224 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4225 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4226 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4229 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4230 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4231 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4232 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4233 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4234 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4235 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4236 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4237 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4238 { "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" },
4240 /* subtitle options */
4241 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4242 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4243 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4244 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4247 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4250 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4251 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4253 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4254 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4255 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4257 /* data codec support */
4258 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4260 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4264 int main(int argc, char **argv)
4268 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4270 if(argc>1 && !strcmp(argv[1], "-d")){
4273 av_log_set_callback(log_callback_null);
4278 avcodec_register_all();
4280 avdevice_register_all();
4283 avfilter_register_all();
4288 if(isatty(STDIN_FILENO))
4289 avio_set_interrupt_cb(decode_interrupt_cb);
4298 parse_options(argc, argv, options, opt_output_file);
4300 if(nb_output_files <= 0 && nb_input_files == 0) {
4302 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4306 /* file converter / grab */
4307 if (nb_output_files <= 0) {
4308 fprintf(stderr, "At least one output file must be specified\n");
4312 if (nb_input_files == 0) {
4313 fprintf(stderr, "At least one input file must be specified\n");
4318 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4320 ti = getutime() - ti;
4322 int maxrss = getmaxrss() / 1024;
4323 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4326 return exit_program(0);