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 thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = 0;
217 static int force_fps = 0;
218 static char *forced_key_frames = NULL;
220 static float dts_delta_threshold = 10;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
234 typedef struct InputStream {
237 int discard; /* true if stream data should be discarded */
238 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
241 int64_t start; /* time when read started */
242 int64_t next_pts; /* synthetic pts for cases where pkt.pts
244 int64_t pts; /* current pts */
246 int is_start; /* is 1 at the start and after a discontinuity */
247 int showed_multi_packet_warning;
251 typedef struct InputFile {
252 AVFormatContext *ctx;
253 int eof_reached; /* true if eof reached */
254 int ist_index; /* index of first stream in ist_table */
255 int buffer_size; /* current total buffer size */
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 */
329 static InputStream *input_streams = NULL;
330 static int nb_input_streams = 0;
331 static InputFile *input_files = NULL;
332 static int nb_input_files = 0;
334 static OutputStream *output_streams = NULL;
335 static int nb_output_streams = 0;
336 static OutputFile *output_files = NULL;
337 static int nb_output_files = 0;
341 static int configure_video_filters(InputStream *ist, OutputStream *ost)
343 AVFilterContext *last_filter, *filter;
344 /** filter graph containing all filters including input & output */
345 AVCodecContext *codec = ost->st->codec;
346 AVCodecContext *icodec = ist->st->codec;
347 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
348 AVRational sample_aspect_ratio;
352 ost->graph = avfilter_graph_alloc();
354 if (ist->st->sample_aspect_ratio.num){
355 sample_aspect_ratio = ist->st->sample_aspect_ratio;
357 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
359 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
360 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
361 sample_aspect_ratio.num, sample_aspect_ratio.den);
363 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
364 "src", args, NULL, ost->graph);
367 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
368 "out", NULL, pix_fmts, ost->graph);
371 last_filter = ost->input_video_filter;
373 if (codec->width != icodec->width || codec->height != icodec->height) {
374 snprintf(args, 255, "%d:%d:flags=0x%X",
378 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
379 NULL, args, NULL, ost->graph)) < 0)
381 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
383 last_filter = filter;
386 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
387 ost->graph->scale_sws_opts = av_strdup(args);
390 AVFilterInOut *outputs = avfilter_inout_alloc();
391 AVFilterInOut *inputs = avfilter_inout_alloc();
393 outputs->name = av_strdup("in");
394 outputs->filter_ctx = last_filter;
395 outputs->pad_idx = 0;
396 outputs->next = NULL;
398 inputs->name = av_strdup("out");
399 inputs->filter_ctx = ost->output_video_filter;
403 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
405 av_freep(&ost->avfilter);
407 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
411 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
414 codec->width = ost->output_video_filter->inputs[0]->w;
415 codec->height = ost->output_video_filter->inputs[0]->h;
416 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
417 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
418 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
419 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
423 #endif /* CONFIG_AVFILTER */
425 static void term_exit(void)
427 av_log(NULL, AV_LOG_QUIET, "%s", "");
430 tcsetattr (0, TCSANOW, &oldtty);
434 static volatile int received_sigterm = 0;
437 sigterm_handler(int sig)
439 received_sigterm = sig;
444 static void term_init(void)
454 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
455 |INLCR|IGNCR|ICRNL|IXON);
456 tty.c_oflag |= OPOST;
457 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
458 tty.c_cflag &= ~(CSIZE|PARENB);
463 tcsetattr (0, TCSANOW, &tty);
464 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
468 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
469 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
471 signal(SIGXCPU, sigterm_handler);
475 /* read a key without blocking */
476 static int read_key(void)
491 n = select(1, &rfds, NULL, NULL, &tv);
506 static int decode_interrupt_cb(void)
508 q_pressed += read_key() == 'q';
509 return q_pressed > 1;
512 static int exit_program(int ret)
517 for(i=0;i<nb_output_files;i++) {
518 AVFormatContext *s = output_files[i].ctx;
519 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
521 avformat_free_context(s);
522 av_dict_free(&output_files[i].opts);
524 for(i=0;i<nb_input_files;i++) {
525 av_close_input_file(input_files[i].ctx);
527 for (i = 0; i < nb_input_streams; i++)
528 av_dict_free(&input_streams[i].opts);
530 av_free(intra_matrix);
531 av_free(inter_matrix);
535 av_free(vstats_filename);
537 av_free(meta_data_maps);
539 av_freep(&input_streams);
540 av_freep(&input_files);
541 av_freep(&output_streams);
542 av_freep(&output_files);
547 allocated_audio_buf_size= allocated_audio_out_size= 0;
554 if (received_sigterm) {
556 "Received signal %d: terminating.\n",
557 (int) received_sigterm);
561 exit(ret); /* not all OS-es handle main() return value */
565 static void assert_avoptions(AVDictionary *m)
567 AVDictionaryEntry *t;
568 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
569 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
574 static void assert_codec_experimental(AVCodecContext *c, int encoder)
576 const char *codec_string = encoder ? "encoder" : "decoder";
578 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
579 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
580 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
581 "results.\nAdd '-strict experimental' if you want to use it.\n",
582 codec_string, c->codec->name);
583 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
584 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
585 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
586 codec_string, codec->name);
591 /* similar to ff_dynarray_add() and av_fast_realloc() */
592 static void *grow_array(void *array, int elem_size, int *size, int new_size)
594 if (new_size >= INT_MAX / elem_size) {
595 fprintf(stderr, "Array too big.\n");
598 if (*size < new_size) {
599 uint8_t *tmp = av_realloc(array, new_size*elem_size);
601 fprintf(stderr, "Could not alloc buffer.\n");
604 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
611 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
613 if(codec && codec->sample_fmts){
614 const enum AVSampleFormat *p= codec->sample_fmts;
616 if(*p == st->codec->sample_fmt)
620 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
621 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
622 if(av_get_sample_fmt_name(st->codec->sample_fmt))
623 av_log(NULL, AV_LOG_WARNING,
624 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
625 av_get_sample_fmt_name(st->codec->sample_fmt),
627 av_get_sample_fmt_name(codec->sample_fmts[0]));
628 st->codec->sample_fmt = codec->sample_fmts[0];
633 static void choose_sample_rate(AVStream *st, AVCodec *codec)
635 if(codec && codec->supported_samplerates){
636 const int *p= codec->supported_samplerates;
638 int best_dist=INT_MAX;
640 int dist= abs(st->codec->sample_rate - *p);
641 if(dist < best_dist){
647 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
649 st->codec->sample_rate= best;
653 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
655 if(codec && codec->pix_fmts){
656 const enum PixelFormat *p= codec->pix_fmts;
657 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
658 if(st->codec->codec_id==CODEC_ID_MJPEG){
659 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
660 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
661 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};
665 if(*p == st->codec->pix_fmt)
669 if(st->codec->pix_fmt != PIX_FMT_NONE)
670 av_log(NULL, AV_LOG_WARNING,
671 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
672 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
674 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
675 st->codec->pix_fmt = codec->pix_fmts[0];
681 get_sync_ipts(const OutputStream *ost)
683 const InputStream *ist = ost->sync_ist;
684 OutputFile *of = &output_files[ost->file_index];
685 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
688 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
692 AVPacket new_pkt= *pkt;
693 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
694 &new_pkt.data, &new_pkt.size,
695 pkt->data, pkt->size,
696 pkt->flags & AV_PKT_FLAG_KEY);
699 new_pkt.destruct= av_destruct_packet;
701 fprintf(stderr, "%s failed for stream %d, codec %s",
702 bsfc->filter->name, pkt->stream_index,
703 avctx->codec ? avctx->codec->name : "copy");
713 ret= av_interleaved_write_frame(s, pkt);
715 print_error("av_interleaved_write_frame()", ret);
720 static void do_audio_out(AVFormatContext *s,
723 unsigned char *buf, int size)
726 int64_t audio_out_size, audio_buf_size;
727 int64_t allocated_for_size= size;
729 int size_out, frame_bytes, ret, resample_changed;
730 AVCodecContext *enc= ost->st->codec;
731 AVCodecContext *dec= ist->st->codec;
732 int osize = av_get_bytes_per_sample(enc->sample_fmt);
733 int isize = av_get_bytes_per_sample(dec->sample_fmt);
734 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
737 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
738 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
739 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
740 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
741 audio_buf_size*= osize*enc->channels;
743 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
744 if(coded_bps > 8*osize)
745 audio_out_size= audio_out_size * coded_bps / (8*osize);
746 audio_out_size += FF_MIN_BUFFER_SIZE;
748 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
749 fprintf(stderr, "Buffer sizes too large\n");
753 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
754 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
755 if (!audio_buf || !audio_out){
756 fprintf(stderr, "Out of memory in do_audio_out\n");
760 if (enc->channels != dec->channels)
761 ost->audio_resample = 1;
763 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
764 ost->resample_channels != dec->channels ||
765 ost->resample_sample_rate != dec->sample_rate;
767 if ((ost->audio_resample && !ost->resample) || resample_changed) {
768 if (resample_changed) {
769 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",
770 ist->file_index, ist->st->index,
771 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
772 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
773 ost->resample_sample_fmt = dec->sample_fmt;
774 ost->resample_channels = dec->channels;
775 ost->resample_sample_rate = dec->sample_rate;
777 audio_resample_close(ost->resample);
779 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
780 if (audio_sync_method <= 1 &&
781 ost->resample_sample_fmt == enc->sample_fmt &&
782 ost->resample_channels == enc->channels &&
783 ost->resample_sample_rate == enc->sample_rate) {
784 ost->resample = NULL;
785 ost->audio_resample = 0;
787 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
788 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
789 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
790 enc->sample_rate, dec->sample_rate,
791 enc->sample_fmt, dec->sample_fmt,
793 if (!ost->resample) {
794 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
795 dec->channels, dec->sample_rate,
796 enc->channels, enc->sample_rate);
802 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
803 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
804 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
805 if (ost->reformat_ctx)
806 av_audio_convert_free(ost->reformat_ctx);
807 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
808 dec->sample_fmt, 1, NULL, 0);
809 if (!ost->reformat_ctx) {
810 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
811 av_get_sample_fmt_name(dec->sample_fmt),
812 av_get_sample_fmt_name(enc->sample_fmt));
815 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
818 if(audio_sync_method){
819 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
820 - av_fifo_size(ost->fifo)/(enc->channels * 2);
821 double idelta= delta*dec->sample_rate / enc->sample_rate;
822 int byte_delta= ((int)idelta)*2*dec->channels;
824 //FIXME resample delay
825 if(fabs(delta) > 50){
826 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
828 byte_delta= FFMAX(byte_delta, -size);
832 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
837 static uint8_t *input_tmp= NULL;
838 input_tmp= av_realloc(input_tmp, byte_delta + size);
840 if(byte_delta > allocated_for_size - size){
841 allocated_for_size= byte_delta + (int64_t)size;
846 memset(input_tmp, 0, byte_delta);
847 memcpy(input_tmp + byte_delta, buf, size);
851 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
853 }else if(audio_sync_method>1){
854 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
855 av_assert0(ost->audio_resample);
857 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
858 // 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));
859 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
863 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
864 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
866 if (ost->audio_resample) {
868 size_out = audio_resample(ost->resample,
869 (short *)buftmp, (short *)buf,
870 size / (dec->channels * isize));
871 size_out = size_out * enc->channels * osize;
877 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
878 const void *ibuf[6]= {buftmp};
879 void *obuf[6]= {audio_buf};
880 int istride[6]= {isize};
881 int ostride[6]= {osize};
882 int len= size_out/istride[0];
883 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
884 printf("av_audio_convert() failed\n");
890 size_out = len*osize;
893 /* now encode as many frames as possible */
894 if (enc->frame_size > 1) {
895 /* output resampled raw samples */
896 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
897 fprintf(stderr, "av_fifo_realloc2() failed\n");
900 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
902 frame_bytes = enc->frame_size * osize * enc->channels;
904 while (av_fifo_size(ost->fifo) >= frame_bytes) {
906 av_init_packet(&pkt);
908 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
910 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
912 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
915 fprintf(stderr, "Audio encoding failed\n");
919 pkt.stream_index= ost->index;
922 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
923 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
924 pkt.flags |= AV_PKT_FLAG_KEY;
925 write_frame(s, &pkt, enc, ost->bitstream_filters);
927 ost->sync_opts += enc->frame_size;
931 av_init_packet(&pkt);
933 ost->sync_opts += size_out / (osize * enc->channels);
935 /* output a pcm frame */
936 /* determine the size of the coded buffer */
939 size_out = size_out*coded_bps/8;
941 if(size_out > audio_out_size){
942 fprintf(stderr, "Internal error, buffer size too small\n");
946 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
947 ret = avcodec_encode_audio(enc, audio_out, size_out,
950 fprintf(stderr, "Audio encoding failed\n");
954 pkt.stream_index= ost->index;
957 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
958 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
959 pkt.flags |= AV_PKT_FLAG_KEY;
960 write_frame(s, &pkt, enc, ost->bitstream_filters);
964 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
968 AVPicture picture_tmp;
971 dec = ist->st->codec;
973 /* deinterlace : must be done before any resize */
974 if (do_deinterlace) {
977 /* create temporary picture */
978 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
979 buf = av_malloc(size);
983 picture2 = &picture_tmp;
984 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
986 if(avpicture_deinterlace(picture2, picture,
987 dec->pix_fmt, dec->width, dec->height) < 0) {
988 /* if error, do not deinterlace */
989 fprintf(stderr, "Deinterlacing failed\n");
998 if (picture != picture2)
999 *picture = *picture2;
1003 static void do_subtitle_out(AVFormatContext *s,
1009 static uint8_t *subtitle_out = NULL;
1010 int subtitle_out_max_size = 1024 * 1024;
1011 int subtitle_out_size, nb, i;
1012 AVCodecContext *enc;
1015 if (pts == AV_NOPTS_VALUE) {
1016 fprintf(stderr, "Subtitle packets must have a pts\n");
1022 enc = ost->st->codec;
1024 if (!subtitle_out) {
1025 subtitle_out = av_malloc(subtitle_out_max_size);
1028 /* Note: DVB subtitle need one packet to draw them and one other
1029 packet to clear them */
1030 /* XXX: signal it in the codec context ? */
1031 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1036 for(i = 0; i < nb; i++) {
1037 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1038 // start_display_time is required to be 0
1039 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1040 sub->end_display_time -= sub->start_display_time;
1041 sub->start_display_time = 0;
1042 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1043 subtitle_out_max_size, sub);
1044 if (subtitle_out_size < 0) {
1045 fprintf(stderr, "Subtitle encoding failed\n");
1049 av_init_packet(&pkt);
1050 pkt.stream_index = ost->index;
1051 pkt.data = subtitle_out;
1052 pkt.size = subtitle_out_size;
1053 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1054 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1055 /* XXX: the pts correction is handled here. Maybe handling
1056 it in the codec would be better */
1058 pkt.pts += 90 * sub->start_display_time;
1060 pkt.pts += 90 * sub->end_display_time;
1062 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1066 static int bit_buffer_size= 1024*256;
1067 static uint8_t *bit_buffer= NULL;
1069 static void do_video_resample(OutputStream *ost,
1071 AVFrame *in_picture,
1072 AVFrame **out_picture)
1074 int resample_changed = 0;
1075 AVCodecContext *dec = ist->st->codec;
1076 *out_picture = in_picture;
1078 resample_changed = ost->resample_width != dec->width ||
1079 ost->resample_height != dec->height ||
1080 ost->resample_pix_fmt != dec->pix_fmt;
1082 #if !CONFIG_AVFILTER
1083 if (resample_changed) {
1084 av_log(NULL, AV_LOG_INFO,
1085 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1086 ist->file_index, ist->st->index,
1087 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1088 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1089 ost->resample_width = dec->width;
1090 ost->resample_height = dec->height;
1091 ost->resample_pix_fmt = dec->pix_fmt;
1094 ost->video_resample = dec->width != enc->width ||
1095 dec->height != enc->height ||
1096 dec->pix_fmt != enc->pix_fmt;
1098 if (ost->video_resample) {
1099 *out_picture = &ost->resample_frame;
1100 if (!ost->img_resample_ctx || resample_changed) {
1101 /* initialize the destination picture */
1102 if (!ost->resample_frame.data[0]) {
1103 avcodec_get_frame_defaults(&ost->resample_frame);
1104 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1105 enc->width, enc->height)) {
1106 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1110 /* initialize a new scaler context */
1111 sws_freeContext(ost->img_resample_ctx);
1112 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1113 enc->width, enc->height, enc->pix_fmt,
1114 ost->sws_flags, NULL, NULL, NULL);
1115 if (ost->img_resample_ctx == NULL) {
1116 fprintf(stderr, "Cannot get resampling context\n");
1120 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1121 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1124 if (resample_changed) {
1125 avfilter_graph_free(&ost->graph);
1126 if (configure_video_filters(ist, ost)) {
1127 fprintf(stderr, "Error reinitializing filters!\n");
1132 if (resample_changed) {
1133 ost->resample_width = dec->width;
1134 ost->resample_height = dec->height;
1135 ost->resample_pix_fmt = dec->pix_fmt;
1140 static void do_video_out(AVFormatContext *s,
1143 AVFrame *in_picture,
1144 int *frame_size, float quality)
1146 int nb_frames, i, ret, format_video_sync;
1147 AVFrame *final_picture;
1148 AVCodecContext *enc, *dec;
1151 enc = ost->st->codec;
1152 dec = ist->st->codec;
1154 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1156 /* by default, we output a single frame */
1161 format_video_sync = video_sync_method;
1162 if (format_video_sync < 0)
1163 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1165 if (format_video_sync) {
1166 double vdelta = sync_ipts - ost->sync_opts;
1167 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1170 else if (format_video_sync == 2) {
1173 }else if(vdelta>0.6)
1174 ost->sync_opts= lrintf(sync_ipts);
1175 }else if (vdelta > 1.1)
1176 nb_frames = lrintf(vdelta);
1177 //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);
1178 if (nb_frames == 0){
1181 fprintf(stderr, "*** drop!\n");
1182 }else if (nb_frames > 1) {
1183 nb_frames_dup += nb_frames - 1;
1185 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1188 ost->sync_opts= lrintf(sync_ipts);
1190 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1194 do_video_resample(ost, ist, in_picture, &final_picture);
1196 /* duplicates frame if needed */
1197 for(i=0;i<nb_frames;i++) {
1199 av_init_packet(&pkt);
1200 pkt.stream_index= ost->index;
1202 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1203 /* raw pictures are written as AVPicture structure to
1204 avoid any copies. We support temporarily the older
1206 AVFrame* old_frame = enc->coded_frame;
1207 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1208 pkt.data= (uint8_t *)final_picture;
1209 pkt.size= sizeof(AVPicture);
1210 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1211 pkt.flags |= AV_PKT_FLAG_KEY;
1213 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1214 enc->coded_frame = old_frame;
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(int ist_index, 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->source_index != ist_index || !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;
1692 // preprocess audio (volume)
1693 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1694 if (audio_volume != 256) {
1697 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1698 int v = ((*volp) * audio_volume + 128) >> 8;
1699 if (v < -32768) v = -32768;
1700 if (v > 32767) v = 32767;
1706 /* frame rate emulation */
1708 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1709 int64_t now = av_gettime() - ist->start;
1713 /* if output time reached then transcode raw format,
1714 encode packets and output them */
1715 for (i = 0; i < nb_ostreams; i++) {
1716 OutputFile *of = &output_files[ost_table[i].file_index];
1719 ost = &ost_table[i];
1720 if (ost->source_index != ist_index)
1723 if (of->start_time && ist->pts < of->start_time)
1726 if (of->recording_time != INT64_MAX &&
1727 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1728 (AVRational){1, 1000000}) >= 0) {
1729 ost->is_past_recording_time = 1;
1734 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1735 ost->input_video_filter) {
1736 if (!picture.sample_aspect_ratio.num)
1737 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1738 picture.pts = ist->pts;
1740 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1742 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1743 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1744 while (frame_available) {
1745 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1746 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1747 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1750 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1751 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1755 os = output_files[ost->file_index].ctx;
1757 /* set the input output pts pairs */
1758 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1760 if (ost->encoding_needed) {
1761 av_assert0(ist->decoding_needed);
1762 switch(ost->st->codec->codec_type) {
1763 case AVMEDIA_TYPE_AUDIO:
1764 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1766 case AVMEDIA_TYPE_VIDEO:
1768 if (ost->picref->video && !ost->frame_aspect_ratio)
1769 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1771 do_video_out(os, ost, ist, &picture, &frame_size,
1772 same_quant ? quality : ost->st->codec->global_quality);
1773 if (vstats_filename && frame_size)
1774 do_video_stats(os, ost, frame_size);
1776 case AVMEDIA_TYPE_SUBTITLE:
1777 do_subtitle_out(os, ost, ist, &subtitle,
1784 AVFrame avframe; //FIXME/XXX remove this
1787 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1788 av_init_packet(&opkt);
1790 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1791 #if !CONFIG_AVFILTER
1797 /* no reencoding needed : output the packet directly */
1798 /* force the input stream PTS */
1800 avcodec_get_frame_defaults(&avframe);
1801 ost->st->codec->coded_frame= &avframe;
1802 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1804 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1805 audio_size += data_size;
1806 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1807 video_size += data_size;
1811 opkt.stream_index= ost->index;
1812 if(pkt->pts != AV_NOPTS_VALUE)
1813 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1815 opkt.pts= AV_NOPTS_VALUE;
1817 if (pkt->dts == AV_NOPTS_VALUE)
1818 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1820 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1821 opkt.dts -= ost_tb_start_time;
1823 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1824 opkt.flags= pkt->flags;
1826 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1827 if( ost->st->codec->codec_id != CODEC_ID_H264
1828 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1829 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1831 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1832 opkt.destruct= av_destruct_packet;
1834 opkt.data = data_buf;
1835 opkt.size = data_size;
1838 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1839 /* store AVPicture in AVPacket, as expected by the output format */
1840 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1841 opkt.data = (uint8_t *)&pict;
1842 opkt.size = sizeof(AVPicture);
1843 opkt.flags |= AV_PKT_FLAG_KEY;
1845 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1846 ost->st->codec->frame_number++;
1847 ost->frame_number++;
1848 av_free_packet(&opkt);
1852 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1853 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1855 avfilter_unref_buffer(ost->picref);
1860 av_free(buffer_to_free);
1861 /* XXX: allocate the subtitles in the codec ? */
1862 if (subtitle_to_free) {
1863 avsubtitle_free(subtitle_to_free);
1864 subtitle_to_free = NULL;
1870 flush_encoders(ist_index, ost_table, nb_ostreams);
1876 static void print_sdp(OutputFile *output_files, int n)
1880 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1884 for (i = 0; i < n; i++)
1885 avc[i] = output_files[i].ctx;
1887 av_sdp_create(avc, n, sdp, sizeof(sdp));
1888 printf("SDP:\n%s\n", sdp);
1893 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1894 char *error, int error_len)
1897 InputStream *ist = &input_streams[ist_index];
1898 if (ist->decoding_needed) {
1899 AVCodec *codec = ist->dec;
1901 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1903 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1904 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1905 return AVERROR(EINVAL);
1908 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1909 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1910 ist->file_index, ist->st->index);
1911 return AVERROR(EINVAL);
1913 assert_codec_experimental(ist->st->codec, 0);
1914 assert_avoptions(ist->opts);
1917 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;
1918 ist->next_pts = AV_NOPTS_VALUE;
1925 * The following code is the main loop of the file converter
1927 static int transcode(OutputFile *output_files,
1928 int nb_output_files,
1929 InputFile *input_files,
1932 int ret = 0, i, step;
1933 AVFormatContext *is, *os;
1934 AVCodecContext *codec, *icodec;
1941 int no_packet_count=0;
1942 int64_t timer_start;
1944 if (!(no_packet = av_mallocz(nb_input_files)))
1948 for (i = 0; i < nb_input_streams; i++)
1949 input_streams[i].start = av_gettime();
1951 /* output stream init */
1952 for(i=0;i<nb_output_files;i++) {
1953 os = output_files[i].ctx;
1954 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1955 av_dump_format(os, i, os->filename, 1);
1956 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1957 ret = AVERROR(EINVAL);
1962 /* for each output stream, we compute the right encoding parameters */
1963 for (i = 0; i < nb_output_streams; i++) {
1964 ost = &output_streams[i];
1965 os = output_files[ost->file_index].ctx;
1966 ist = &input_streams[ost->source_index];
1968 codec = ost->st->codec;
1969 icodec = ist->st->codec;
1971 ost->st->disposition = ist->st->disposition;
1972 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1973 codec->chroma_sample_location = icodec->chroma_sample_location;
1975 if (ost->st->stream_copy) {
1976 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1978 if (extra_size > INT_MAX)
1981 /* if stream_copy is selected, no need to decode or encode */
1982 codec->codec_id = icodec->codec_id;
1983 codec->codec_type = icodec->codec_type;
1985 if(!codec->codec_tag){
1986 if( !os->oformat->codec_tag
1987 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1988 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1989 codec->codec_tag = icodec->codec_tag;
1992 codec->bit_rate = icodec->bit_rate;
1993 codec->rc_max_rate = icodec->rc_max_rate;
1994 codec->rc_buffer_size = icodec->rc_buffer_size;
1995 codec->extradata= av_mallocz(extra_size);
1996 if (!codec->extradata)
1998 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1999 codec->extradata_size= icodec->extradata_size;
2001 codec->time_base = ist->st->time_base;
2002 if(!strcmp(os->oformat->name, "avi")) {
2003 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){
2004 codec->time_base = icodec->time_base;
2005 codec->time_base.num *= icodec->ticks_per_frame;
2006 codec->time_base.den *= 2;
2008 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2009 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){
2010 codec->time_base = icodec->time_base;
2011 codec->time_base.num *= icodec->ticks_per_frame;
2014 av_reduce(&codec->time_base.num, &codec->time_base.den,
2015 codec->time_base.num, codec->time_base.den, INT_MAX);
2017 switch(codec->codec_type) {
2018 case AVMEDIA_TYPE_AUDIO:
2019 if(audio_volume != 256) {
2020 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2023 codec->channel_layout = icodec->channel_layout;
2024 codec->sample_rate = icodec->sample_rate;
2025 codec->channels = icodec->channels;
2026 codec->frame_size = icodec->frame_size;
2027 codec->audio_service_type = icodec->audio_service_type;
2028 codec->block_align= icodec->block_align;
2029 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2030 codec->block_align= 0;
2031 if(codec->codec_id == CODEC_ID_AC3)
2032 codec->block_align= 0;
2034 case AVMEDIA_TYPE_VIDEO:
2035 codec->pix_fmt = icodec->pix_fmt;
2036 codec->width = icodec->width;
2037 codec->height = icodec->height;
2038 codec->has_b_frames = icodec->has_b_frames;
2039 if (!codec->sample_aspect_ratio.num) {
2040 codec->sample_aspect_ratio =
2041 ost->st->sample_aspect_ratio =
2042 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2043 ist->st->codec->sample_aspect_ratio.num ?
2044 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2047 case AVMEDIA_TYPE_SUBTITLE:
2048 codec->width = icodec->width;
2049 codec->height = icodec->height;
2051 case AVMEDIA_TYPE_DATA:
2058 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2059 switch(codec->codec_type) {
2060 case AVMEDIA_TYPE_AUDIO:
2061 ost->fifo= av_fifo_alloc(1024);
2064 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2065 if (!codec->sample_rate) {
2066 codec->sample_rate = icodec->sample_rate;
2068 choose_sample_rate(ost->st, ost->enc);
2069 codec->time_base = (AVRational){1, codec->sample_rate};
2070 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2071 codec->sample_fmt = icodec->sample_fmt;
2072 choose_sample_fmt(ost->st, ost->enc);
2073 if (!codec->channels) {
2074 codec->channels = icodec->channels;
2075 codec->channel_layout = icodec->channel_layout;
2077 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2078 codec->channel_layout = 0;
2079 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2080 icodec->request_channels = codec->channels;
2081 ist->decoding_needed = 1;
2082 ost->encoding_needed = 1;
2083 ost->resample_sample_fmt = icodec->sample_fmt;
2084 ost->resample_sample_rate = icodec->sample_rate;
2085 ost->resample_channels = icodec->channels;
2087 case AVMEDIA_TYPE_VIDEO:
2088 if (codec->pix_fmt == PIX_FMT_NONE)
2089 codec->pix_fmt = icodec->pix_fmt;
2090 choose_pixel_fmt(ost->st, ost->enc);
2092 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2093 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2097 if (!codec->width || !codec->height) {
2098 codec->width = icodec->width;
2099 codec->height = icodec->height;
2102 ost->video_resample = codec->width != icodec->width ||
2103 codec->height != icodec->height ||
2104 codec->pix_fmt != icodec->pix_fmt;
2105 if (ost->video_resample) {
2106 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2109 ost->resample_height = icodec->height;
2110 ost->resample_width = icodec->width;
2111 ost->resample_pix_fmt= icodec->pix_fmt;
2112 ost->encoding_needed = 1;
2113 ist->decoding_needed = 1;
2115 if (!ost->frame_rate.num)
2116 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2117 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2118 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2119 ost->frame_rate = ost->enc->supported_framerates[idx];
2121 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2122 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2123 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2124 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2125 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2129 if (configure_video_filters(ist, ost)) {
2130 fprintf(stderr, "Error opening filters!\n");
2135 case AVMEDIA_TYPE_SUBTITLE:
2136 ost->encoding_needed = 1;
2137 ist->decoding_needed = 1;
2144 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2145 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2146 char logfilename[1024];
2149 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2150 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2152 if (codec->flags & CODEC_FLAG_PASS1) {
2153 f = fopen(logfilename, "wb");
2155 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2161 size_t logbuffer_size;
2162 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2163 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2166 codec->stats_in = logbuffer;
2170 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2171 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2172 int size= codec->width * codec->height;
2173 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2178 bit_buffer = av_malloc(bit_buffer_size);
2180 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2182 ret = AVERROR(ENOMEM);
2186 /* open each encoder */
2187 for (i = 0; i < nb_output_streams; i++) {
2188 ost = &output_streams[i];
2189 if (ost->encoding_needed) {
2190 AVCodec *codec = ost->enc;
2191 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2193 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2194 ost->st->codec->codec_id, ost->file_index, ost->index);
2195 ret = AVERROR(EINVAL);
2198 if (dec->subtitle_header) {
2199 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2200 if (!ost->st->codec->subtitle_header) {
2201 ret = AVERROR(ENOMEM);
2204 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2205 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2207 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2208 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2209 ost->file_index, ost->index);
2210 ret = AVERROR(EINVAL);
2213 assert_codec_experimental(ost->st->codec, 1);
2214 assert_avoptions(ost->opts);
2215 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2216 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2217 "It takes bits/s as argument, not kbits/s\n");
2218 extra_size += ost->st->codec->extradata_size;
2222 /* init input streams */
2223 for (i = 0; i < nb_input_streams; i++)
2224 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2227 /* open files and write file headers */
2228 for (i = 0; i < nb_output_files; i++) {
2229 os = output_files[i].ctx;
2230 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2231 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2232 ret = AVERROR(EINVAL);
2235 // assert_avoptions(output_files[i].opts);
2236 if (strcmp(os->oformat->name, "rtp")) {
2242 /* dump the file output parameters - cannot be done before in case
2244 for(i=0;i<nb_output_files;i++) {
2245 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2248 /* dump the stream mapping */
2250 fprintf(stderr, "Stream mapping:\n");
2251 for (i = 0; i < nb_output_streams;i ++) {
2252 ost = &output_streams[i];
2253 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2254 input_streams[ost->source_index].file_index,
2255 input_streams[ost->source_index].st->index,
2258 if (ost->sync_ist != &input_streams[ost->source_index])
2259 fprintf(stderr, " [sync #%d.%d]",
2260 ost->sync_ist->file_index,
2261 ost->sync_ist->st->index);
2262 if (ost->st->stream_copy)
2263 fprintf(stderr, " (copy)");
2264 fprintf(stderr, "\n");
2269 fprintf(stderr, "%s\n", error);
2274 print_sdp(output_files, nb_output_files);
2279 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2280 avio_set_interrupt_cb(decode_interrupt_cb);
2284 timer_start = av_gettime();
2286 for(; received_sigterm == 0;) {
2287 int file_index, ist_index;
2293 ipts_min = INT64_MAX;
2295 /* if 'q' pressed, exits */
2299 /* read_key() returns 0 on EOF */
2303 if (key == '+') verbose++;
2304 if (key == '-') verbose--;
2305 if (key == 's') qp_hist ^= 1;
2308 do_hex_dump = do_pkt_dump = 0;
2309 } else if(do_pkt_dump){
2313 av_log_set_level(AV_LOG_DEBUG);
2315 if (key == 'd' || key == 'D'){
2318 debug = input_streams[0].st->codec->debug<<1;
2319 if(!debug) debug = 1;
2320 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2323 scanf("%d", &debug);
2324 for(i=0;i<nb_input_streams;i++) {
2325 input_streams[i].st->codec->debug = debug;
2327 for(i=0;i<nb_output_streams;i++) {
2328 ost = &output_streams[i];
2329 ost->st->codec->debug = debug;
2331 if(debug) av_log_set_level(AV_LOG_DEBUG);
2332 fprintf(stderr,"debug=%d\n", debug);
2335 fprintf(stderr, "key function\n"
2336 "? show this help\n"
2337 "+ increase verbosity\n"
2338 "- decrease verbosity\n"
2339 "D cycle through available debug modes\n"
2340 "h dump packets/hex press to cycle through the 3 states\n"
2342 "s Show QP histogram\n"
2347 /* select the stream that we must read now by looking at the
2348 smallest output pts */
2350 for (i = 0; i < nb_output_streams; i++) {
2353 ost = &output_streams[i];
2354 os = output_files[ost->file_index].ctx;
2355 ist = &input_streams[ost->source_index];
2356 if(ost->is_past_recording_time || no_packet[ist->file_index])
2358 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2360 if (!input_files[ist->file_index].eof_reached){
2361 if(ipts < ipts_min) {
2363 if(input_sync ) file_index = ist->file_index;
2365 if(opts < opts_min) {
2367 if(!input_sync) file_index = ist->file_index;
2370 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2375 /* if none, if is finished */
2376 if (file_index < 0) {
2377 if(no_packet_count){
2379 memset(no_packet, 0, nb_input_files);
2386 /* finish if limit size exhausted */
2387 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2390 /* read a frame from it and output it in the fifo */
2391 is = input_files[file_index].ctx;
2392 ret= av_read_frame(is, &pkt);
2393 if(ret == AVERROR(EAGAIN)){
2394 no_packet[file_index]=1;
2399 input_files[file_index].eof_reached = 1;
2407 memset(no_packet, 0, nb_input_files);
2410 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2411 is->streams[pkt.stream_index]);
2413 /* the following test is needed in case new streams appear
2414 dynamically in stream : we ignore them */
2415 if (pkt.stream_index >= input_files[file_index].nb_streams)
2416 goto discard_packet;
2417 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2418 ist = &input_streams[ist_index];
2420 goto discard_packet;
2422 if (pkt.dts != AV_NOPTS_VALUE)
2423 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2424 if (pkt.pts != AV_NOPTS_VALUE)
2425 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2427 if (ist->ts_scale) {
2428 if(pkt.pts != AV_NOPTS_VALUE)
2429 pkt.pts *= ist->ts_scale;
2430 if(pkt.dts != AV_NOPTS_VALUE)
2431 pkt.dts *= ist->ts_scale;
2434 // 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);
2435 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2436 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2437 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2438 int64_t delta= pkt_dts - ist->next_pts;
2439 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2440 input_files[ist->file_index].ts_offset -= delta;
2442 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2443 delta, input_files[ist->file_index].ts_offset);
2444 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2445 if(pkt.pts != AV_NOPTS_VALUE)
2446 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2450 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2451 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2454 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2455 ist->file_index, ist->st->index);
2458 av_free_packet(&pkt);
2463 av_free_packet(&pkt);
2465 /* dump report by using the output first video and audio streams */
2466 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2469 /* at the end of stream, we must flush the decoder buffers */
2470 for (i = 0; i < nb_input_streams; i++) {
2471 ist = &input_streams[i];
2472 if (ist->decoding_needed) {
2473 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2479 /* write the trailer if needed and close file */
2480 for(i=0;i<nb_output_files;i++) {
2481 os = output_files[i].ctx;
2482 av_write_trailer(os);
2485 /* dump report by using the first video and audio streams */
2486 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2488 /* close each encoder */
2489 for (i = 0; i < nb_output_streams; i++) {
2490 ost = &output_streams[i];
2491 if (ost->encoding_needed) {
2492 av_freep(&ost->st->codec->stats_in);
2493 avcodec_close(ost->st->codec);
2496 avfilter_graph_free(&ost->graph);
2500 /* close each decoder */
2501 for (i = 0; i < nb_input_streams; i++) {
2502 ist = &input_streams[i];
2503 if (ist->decoding_needed) {
2504 avcodec_close(ist->st->codec);
2512 av_freep(&bit_buffer);
2513 av_freep(&no_packet);
2515 if (output_streams) {
2516 for (i = 0; i < nb_output_streams; i++) {
2517 ost = &output_streams[i];
2519 if (ost->st->stream_copy)
2520 av_freep(&ost->st->codec->extradata);
2522 fclose(ost->logfile);
2523 ost->logfile = NULL;
2525 av_fifo_free(ost->fifo); /* works even if fifo is not
2526 initialized but set to zero */
2527 av_freep(&ost->st->codec->subtitle_header);
2528 av_free(ost->resample_frame.data[0]);
2529 av_free(ost->forced_kf_pts);
2530 if (ost->video_resample)
2531 sws_freeContext(ost->img_resample_ctx);
2533 audio_resample_close(ost->resample);
2534 if (ost->reformat_ctx)
2535 av_audio_convert_free(ost->reformat_ctx);
2536 av_dict_free(&ost->opts);
2543 static int opt_format(const char *opt, const char *arg)
2545 last_asked_format = arg;
2549 static int opt_video_rc_override_string(const char *opt, const char *arg)
2551 video_rc_override_string = arg;
2555 static int opt_me_threshold(const char *opt, const char *arg)
2557 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2561 static int opt_verbose(const char *opt, const char *arg)
2563 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2567 static int opt_frame_rate(const char *opt, const char *arg)
2569 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2570 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2576 static int opt_frame_crop(const char *opt, const char *arg)
2578 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2579 return AVERROR(EINVAL);
2582 static int opt_frame_size(const char *opt, const char *arg)
2584 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2585 fprintf(stderr, "Incorrect frame size\n");
2586 return AVERROR(EINVAL);
2591 static int opt_pad(const char *opt, const char *arg) {
2592 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2596 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2598 if (strcmp(arg, "list")) {
2599 frame_pix_fmt = av_get_pix_fmt(arg);
2600 if (frame_pix_fmt == PIX_FMT_NONE) {
2601 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2602 return AVERROR(EINVAL);
2605 opt_pix_fmts(NULL, NULL);
2611 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2618 p = strchr(arg, ':');
2620 x = strtol(arg, &end, 10);
2622 y = strtol(end+1, &end, 10);
2624 ar = (double)x / (double)y;
2626 ar = strtod(arg, NULL);
2629 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2630 return AVERROR(EINVAL);
2632 frame_aspect_ratio = ar;
2636 static int opt_metadata(const char *opt, const char *arg)
2638 char *mid= strchr(arg, '=');
2641 fprintf(stderr, "Missing =\n");
2646 av_dict_set(&metadata, arg, mid, 0);
2651 static int opt_qscale(const char *opt, const char *arg)
2653 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2654 if (video_qscale <= 0 || video_qscale > 255) {
2655 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2656 return AVERROR(EINVAL);
2661 static int opt_top_field_first(const char *opt, const char *arg)
2663 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2664 return opt_default(opt, arg);
2667 static int opt_thread_count(const char *opt, const char *arg)
2669 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2672 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2677 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2679 if (strcmp(arg, "list")) {
2680 audio_sample_fmt = av_get_sample_fmt(arg);
2681 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2682 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2683 return AVERROR(EINVAL);
2688 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2689 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2695 static int opt_audio_rate(const char *opt, const char *arg)
2697 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2701 static int opt_audio_channels(const char *opt, const char *arg)
2703 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2707 static int opt_codec(const char *opt, const char *arg)
2709 return av_dict_set(&codec_names, opt, arg, 0);
2712 static int opt_audio_codec(const char *opt, const char *arg)
2714 return opt_codec("codec:a", arg);
2717 static int opt_video_codec(const char *opt, const char *arg)
2719 return opt_codec("codec:v", arg);
2722 static int opt_subtitle_codec(const char *opt, const char *arg)
2724 return opt_codec("codec:s", arg);
2727 static int opt_data_codec(const char *opt, const char *arg)
2729 return opt_codec("codec:d", arg);
2732 static int opt_codec_tag(const char *opt, const char *arg)
2735 uint32_t *codec_tag;
2737 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2738 !strcmp(opt, "vtag") ? &video_codec_tag :
2739 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2743 *codec_tag = strtol(arg, &tail, 0);
2745 *codec_tag = AV_RL32(arg);
2750 static int opt_map(const char *opt, const char *arg)
2752 StreamMap *m = NULL;
2753 int i, negative = 0, file_idx;
2754 int sync_file_idx = -1, sync_stream_idx;
2762 map = av_strdup(arg);
2764 /* parse sync stream first, just pick first matching stream */
2765 if (sync = strchr(map, ',')) {
2767 sync_file_idx = strtol(sync + 1, &sync, 0);
2768 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2769 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2774 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2775 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2776 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2777 sync_stream_idx = i;
2780 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2781 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2782 "match any streams.\n", arg);
2788 file_idx = strtol(map, &p, 0);
2789 if (file_idx >= nb_input_files || file_idx < 0) {
2790 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2794 /* disable some already defined maps */
2795 for (i = 0; i < nb_stream_maps; i++) {
2796 m = &stream_maps[i];
2797 if (check_stream_specifier(input_files[m->file_index].ctx,
2798 input_files[m->file_index].ctx->streams[m->stream_index],
2799 *p == ':' ? p + 1 : p) > 0)
2803 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2804 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2805 *p == ':' ? p + 1 : p) <= 0)
2807 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2808 m = &stream_maps[nb_stream_maps - 1];
2810 m->file_index = file_idx;
2811 m->stream_index = i;
2813 if (sync_file_idx >= 0) {
2814 m->sync_file_index = sync_file_idx;
2815 m->sync_stream_index = sync_stream_idx;
2817 m->sync_file_index = file_idx;
2818 m->sync_stream_index = i;
2823 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2831 static void parse_meta_type(char *arg, char *type, int *index)
2841 if (*(++arg) == ':')
2842 *index = strtol(++arg, NULL, 0);
2845 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2852 static int opt_map_metadata(const char *opt, const char *arg)
2854 MetadataMap *m, *m1;
2857 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2858 &nb_meta_data_maps, nb_meta_data_maps + 1);
2860 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2861 m->file = strtol(arg, &p, 0);
2862 parse_meta_type(p, &m->type, &m->index);
2864 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2865 if (p = strchr(opt, ':'))
2866 parse_meta_type(p, &m1->type, &m1->index);
2870 if (m->type == 'g' || m1->type == 'g')
2871 metadata_global_autocopy = 0;
2872 if (m->type == 's' || m1->type == 's')
2873 metadata_streams_autocopy = 0;
2874 if (m->type == 'c' || m1->type == 'c')
2875 metadata_chapters_autocopy = 0;
2880 static int opt_input_ts_scale(const char *opt, const char *arg)
2882 return av_dict_set(&ts_scale, opt, arg, 0);
2885 static int opt_recording_time(const char *opt, const char *arg)
2887 recording_time = parse_time_or_die(opt, arg, 1);
2891 static int opt_start_time(const char *opt, const char *arg)
2893 start_time = parse_time_or_die(opt, arg, 1);
2897 static int opt_input_ts_offset(const char *opt, const char *arg)
2899 input_ts_offset = parse_time_or_die(opt, arg, 1);
2903 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2905 const char *codec_string = encoder ? "encoder" : "decoder";
2909 return CODEC_ID_NONE;
2911 avcodec_find_encoder_by_name(name) :
2912 avcodec_find_decoder_by_name(name);
2914 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2917 if(codec->type != type) {
2918 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2924 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2926 AVDictionaryEntry *e = NULL;
2927 char *codec_name = NULL;
2930 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2931 char *p = strchr(e->key, ':');
2933 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2934 codec_name = e->value;
2941 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2942 return avcodec_find_encoder(st->codec->codec_id);
2944 } else if (!strcmp(codec_name, "copy"))
2945 st->stream_copy = 1;
2947 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2948 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2949 avcodec_find_decoder_by_name(codec_name);
2956 * Add all the streams from the given input file to the global
2957 * list of input streams.
2959 static void add_input_streams(AVFormatContext *ic)
2961 int i, rfps, rfps_base, ret;
2963 for (i = 0; i < ic->nb_streams; i++) {
2964 AVStream *st = ic->streams[i];
2965 AVCodecContext *dec = st->codec;
2966 AVDictionaryEntry *e = NULL;
2970 dec->thread_count = thread_count;
2972 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2973 ist = &input_streams[nb_input_streams - 1];
2975 ist->file_index = nb_input_files;
2977 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2979 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2980 char *p = strchr(e->key, ':');
2982 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2988 ist->ts_scale = strtod(scale, NULL);
2990 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2992 switch (dec->codec_type) {
2993 case AVMEDIA_TYPE_AUDIO:
2995 ist->dec = avcodec_find_decoder(dec->codec_id);
2997 st->discard= AVDISCARD_ALL;
2999 case AVMEDIA_TYPE_VIDEO:
3001 ist->dec = avcodec_find_decoder(dec->codec_id);
3002 rfps = ic->streams[i]->r_frame_rate.num;
3003 rfps_base = ic->streams[i]->r_frame_rate.den;
3005 dec->flags |= CODEC_FLAG_EMU_EDGE;
3008 dec->debug |= FF_DEBUG_MV;
3010 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3013 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3014 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3016 (float)rfps / rfps_base, rfps, rfps_base);
3020 st->discard= AVDISCARD_ALL;
3021 else if(video_discard)
3022 st->discard= video_discard;
3024 case AVMEDIA_TYPE_DATA:
3026 case AVMEDIA_TYPE_SUBTITLE:
3028 ist->dec = avcodec_find_decoder(dec->codec_id);
3029 if(subtitle_disable)
3030 st->discard = AVDISCARD_ALL;
3032 case AVMEDIA_TYPE_ATTACHMENT:
3033 case AVMEDIA_TYPE_UNKNOWN:
3041 static int opt_input_file(const char *opt, const char *filename)
3043 AVFormatContext *ic;
3044 AVInputFormat *file_iformat = NULL;
3048 AVDictionary **opts;
3049 int orig_nb_streams; // number of streams before avformat_find_stream_info
3051 if (last_asked_format) {
3052 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3053 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3056 last_asked_format = NULL;
3059 if (!strcmp(filename, "-"))
3062 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3063 !strcmp(filename, "/dev/stdin");
3065 /* get default parameters from command line */
3066 ic = avformat_alloc_context();
3068 print_error(filename, AVERROR(ENOMEM));
3071 if (audio_sample_rate) {
3072 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3073 av_dict_set(&format_opts, "sample_rate", buf, 0);
3075 if (audio_channels) {
3076 snprintf(buf, sizeof(buf), "%d", audio_channels);
3077 av_dict_set(&format_opts, "channels", buf, 0);
3079 if (frame_rate.num) {
3080 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3081 av_dict_set(&format_opts, "framerate", buf, 0);
3083 if (frame_width && frame_height) {
3084 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3085 av_dict_set(&format_opts, "video_size", buf, 0);
3087 if (frame_pix_fmt != PIX_FMT_NONE)
3088 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3090 ic->flags |= AVFMT_FLAG_NONBLOCK;
3092 /* open the input file with generic libav function */
3093 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3095 print_error(filename, err);
3098 assert_avoptions(format_opts);
3103 for(i=0; i<ic->nb_streams; i++){
3104 ic->streams[i]->discard= AVDISCARD_ALL;
3106 for(i=0; i<ic->nb_programs; i++){
3107 AVProgram *p= ic->programs[i];
3108 if(p->id != opt_programid){
3109 p->discard = AVDISCARD_ALL;
3112 for(j=0; j<p->nb_stream_indexes; j++){
3113 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3118 fprintf(stderr, "Specified program id not found\n");
3124 /* apply forced codec ids */
3125 for (i = 0; i < ic->nb_streams; i++)
3126 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3128 /* Set AVCodecContext options for avformat_find_stream_info */
3129 opts = setup_find_stream_info_opts(ic, codec_opts);
3130 orig_nb_streams = ic->nb_streams;
3132 /* If not enough info to get the stream parameters, we decode the
3133 first frames to get it. (used in mpeg case for example) */
3134 ret = avformat_find_stream_info(ic, opts);
3135 if (ret < 0 && verbose >= 0) {
3136 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3137 av_close_input_file(ic);
3141 timestamp = start_time;
3142 /* add the stream start time */
3143 if (ic->start_time != AV_NOPTS_VALUE)
3144 timestamp += ic->start_time;
3146 /* if seeking requested, we execute it */
3147 if (start_time != 0) {
3148 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3150 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3151 filename, (double)timestamp / AV_TIME_BASE);
3153 /* reset seek info */
3157 /* update the current parameters so that they match the one of the input stream */
3158 add_input_streams(ic);
3160 /* dump the file content */
3162 av_dump_format(ic, nb_input_files, filename, 0);
3164 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3165 input_files[nb_input_files - 1].ctx = ic;
3166 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3167 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3168 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3170 top_field_first = -1;
3171 frame_rate = (AVRational){0, 0};
3172 frame_pix_fmt = PIX_FMT_NONE;
3175 audio_sample_rate = 0;
3177 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3178 av_dict_free(&ts_scale);
3180 for (i = 0; i < orig_nb_streams; i++)
3181 av_dict_free(&opts[i]);
3183 av_dict_free(&codec_names);
3189 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3190 AVCodecContext *avctx)
3196 for (p = kf; *p; p++)
3199 ost->forced_kf_count = n;
3200 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3201 if (!ost->forced_kf_pts) {
3202 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3205 for (i = 0; i < n; i++) {
3206 p = i ? strchr(p, ',') + 1 : kf;
3207 t = parse_time_or_die("force_key_frames", p, 1);
3208 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3212 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3215 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3216 int idx = oc->nb_streams - 1;
3219 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3223 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3224 nb_output_streams + 1);
3225 ost = &output_streams[nb_output_streams - 1];
3226 ost->file_index = nb_output_files;
3229 st->codec->codec_type = type;
3230 ost->enc = choose_codec(oc, st, type, codec_names);
3232 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3235 avcodec_get_context_defaults3(st->codec, ost->enc);
3236 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3238 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3242 static OutputStream *new_video_stream(AVFormatContext *oc)
3246 AVCodecContext *video_enc;
3248 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3250 if (!st->stream_copy) {
3251 ost->frame_aspect_ratio = frame_aspect_ratio;
3252 frame_aspect_ratio = 0;
3254 ost->avfilter = vfilters;
3259 ost->bitstream_filters = video_bitstream_filters;
3260 video_bitstream_filters= NULL;
3262 st->codec->thread_count= thread_count;
3264 video_enc = st->codec;
3267 video_enc->codec_tag= video_codec_tag;
3269 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3270 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3273 if (st->stream_copy) {
3274 video_enc->sample_aspect_ratio =
3275 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3281 ost->frame_rate = frame_rate;
3283 video_enc->width = frame_width;
3284 video_enc->height = frame_height;
3285 video_enc->pix_fmt = frame_pix_fmt;
3286 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3287 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3289 if (video_qscale || same_quant) {
3290 video_enc->flags |= CODEC_FLAG_QSCALE;
3291 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3295 video_enc->intra_matrix = intra_matrix;
3297 video_enc->inter_matrix = inter_matrix;
3299 p= video_rc_override_string;
3302 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3304 fprintf(stderr, "error parsing rc_override\n");
3307 video_enc->rc_override=
3308 av_realloc(video_enc->rc_override,
3309 sizeof(RcOverride)*(i+1));
3310 video_enc->rc_override[i].start_frame= start;
3311 video_enc->rc_override[i].end_frame = end;
3313 video_enc->rc_override[i].qscale= q;
3314 video_enc->rc_override[i].quality_factor= 1.0;
3317 video_enc->rc_override[i].qscale= 0;
3318 video_enc->rc_override[i].quality_factor= -q/100.0;
3323 video_enc->rc_override_count=i;
3324 if (!video_enc->rc_initial_buffer_occupancy)
3325 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3326 video_enc->me_threshold= me_threshold;
3327 video_enc->intra_dc_precision= intra_dc_precision - 8;
3330 video_enc->flags|= CODEC_FLAG_PSNR;
3335 video_enc->flags |= CODEC_FLAG_PASS1;
3337 video_enc->flags |= CODEC_FLAG_PASS2;
3341 if (forced_key_frames)
3342 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3344 if (video_language) {
3345 av_dict_set(&st->metadata, "language", video_language, 0);
3346 av_freep(&video_language);
3349 /* reset some key parameters */
3351 av_freep(&forced_key_frames);
3352 frame_pix_fmt = PIX_FMT_NONE;
3356 static OutputStream *new_audio_stream(AVFormatContext *oc)
3360 AVCodecContext *audio_enc;
3362 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3365 ost->bitstream_filters = audio_bitstream_filters;
3366 audio_bitstream_filters= NULL;
3368 st->codec->thread_count= thread_count;
3370 audio_enc = st->codec;
3371 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3374 audio_enc->codec_tag= audio_codec_tag;
3376 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3377 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3379 if (!st->stream_copy) {
3380 if (audio_qscale > QSCALE_NONE) {
3381 audio_enc->flags |= CODEC_FLAG_QSCALE;
3382 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3385 audio_enc->channels = audio_channels;
3386 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3387 audio_enc->sample_fmt = audio_sample_fmt;
3388 if (audio_sample_rate)
3389 audio_enc->sample_rate = audio_sample_rate;
3391 if (audio_language) {
3392 av_dict_set(&st->metadata, "language", audio_language, 0);
3393 av_freep(&audio_language);
3396 /* reset some key parameters */
3402 static OutputStream *new_data_stream(AVFormatContext *oc)
3406 AVCodecContext *data_enc;
3408 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3410 data_enc = st->codec;
3411 if (!st->stream_copy) {
3412 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3417 data_enc->codec_tag= data_codec_tag;
3419 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3420 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3427 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3431 AVCodecContext *subtitle_enc;
3433 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3435 subtitle_enc = st->codec;
3437 ost->bitstream_filters = subtitle_bitstream_filters;
3438 subtitle_bitstream_filters= NULL;
3440 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3442 if(subtitle_codec_tag)
3443 subtitle_enc->codec_tag= subtitle_codec_tag;
3445 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3446 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3449 if (subtitle_language) {
3450 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3451 av_freep(&subtitle_language);
3454 subtitle_disable = 0;
3458 /* arg format is "output-stream-index:streamid-value". */
3459 static int opt_streamid(const char *opt, const char *arg)
3465 av_strlcpy(idx_str, arg, sizeof(idx_str));
3466 p = strchr(idx_str, ':');
3469 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3474 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3475 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3476 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3480 static int copy_chapters(int infile, int outfile)
3482 AVFormatContext *is = input_files[infile].ctx;
3483 AVFormatContext *os = output_files[outfile].ctx;
3486 for (i = 0; i < is->nb_chapters; i++) {
3487 AVChapter *in_ch = is->chapters[i], *out_ch;
3488 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3489 AV_TIME_BASE_Q, in_ch->time_base);
3490 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3491 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3494 if (in_ch->end < ts_off)
3496 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3499 out_ch = av_mallocz(sizeof(AVChapter));
3501 return AVERROR(ENOMEM);
3503 out_ch->id = in_ch->id;
3504 out_ch->time_base = in_ch->time_base;
3505 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3506 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3508 if (metadata_chapters_autocopy)
3509 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3512 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3514 return AVERROR(ENOMEM);
3515 os->chapters[os->nb_chapters - 1] = out_ch;
3520 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3523 AVFormatContext *ic = NULL;
3525 err = avformat_open_input(&ic, filename, NULL, NULL);
3528 /* copy stream format */
3529 for(i=0;i<ic->nb_streams;i++) {
3534 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3535 ost = new_output_stream(s, codec->type);
3538 // FIXME: a more elegant solution is needed
3539 memcpy(st, ic->streams[i], sizeof(AVStream));
3540 st->info = av_malloc(sizeof(*st->info));
3541 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3542 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3544 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3545 choose_sample_fmt(st, codec);
3546 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3547 choose_pixel_fmt(st, codec);
3550 av_close_input_file(ic);
3554 static int opt_output_file(const char *opt, const char *filename)
3556 AVFormatContext *oc;
3558 AVOutputFormat *file_oformat;
3562 if (!strcmp(filename, "-"))
3565 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3566 last_asked_format = NULL;
3568 print_error(filename, err);
3572 file_oformat= oc->oformat;
3574 if (!strcmp(file_oformat->name, "ffm") &&
3575 av_strstart(filename, "http:", NULL)) {
3576 /* special case for files sent to ffserver: we get the stream
3577 parameters from ffserver */
3578 int err = read_ffserver_streams(oc, filename);
3580 print_error(filename, err);
3583 } else if (!nb_stream_maps) {
3584 /* pick the "best" stream of each type */
3585 #define NEW_STREAM(type, index)\
3587 ost = new_ ## type ## _stream(oc);\
3588 ost->source_index = index;\
3589 ost->sync_ist = &input_streams[index];\
3590 input_streams[index].discard = 0;\
3593 /* video: highest resolution */
3594 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3595 int area = 0, idx = -1;
3596 for (i = 0; i < nb_input_streams; i++) {
3597 ist = &input_streams[i];
3598 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3599 ist->st->codec->width * ist->st->codec->height > area) {
3600 area = ist->st->codec->width * ist->st->codec->height;
3604 NEW_STREAM(video, idx);
3607 /* audio: most channels */
3608 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3609 int channels = 0, idx = -1;
3610 for (i = 0; i < nb_input_streams; i++) {
3611 ist = &input_streams[i];
3612 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3613 ist->st->codec->channels > channels) {
3614 channels = ist->st->codec->channels;
3618 NEW_STREAM(audio, idx);
3621 /* subtitles: pick first */
3622 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3623 for (i = 0; i < nb_input_streams; i++)
3624 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3625 NEW_STREAM(subtitle, i);
3629 /* do something with data? */
3631 for (i = 0; i < nb_stream_maps; i++) {
3632 StreamMap *map = &stream_maps[i];
3637 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3638 switch (ist->st->codec->codec_type) {
3639 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3640 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3641 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3642 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3644 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3645 map->file_index, map->stream_index);
3649 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3650 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3651 map->sync_stream_index];
3656 av_dict_copy(&oc->metadata, metadata, 0);
3657 av_dict_free(&metadata);
3660 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3661 output_files[nb_output_files - 1].ctx = oc;
3662 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3663 output_files[nb_output_files - 1].recording_time = recording_time;
3664 output_files[nb_output_files - 1].start_time = start_time;
3665 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3667 /* check filename in case of an image number is expected */
3668 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3669 if (!av_filename_number_test(oc->filename)) {
3670 print_error(oc->filename, AVERROR(EINVAL));
3675 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3676 /* test if it already exists to avoid loosing precious files */
3677 if (!file_overwrite &&
3678 (strchr(filename, ':') == NULL ||
3679 filename[1] == ':' ||
3680 av_strstart(filename, "file:", NULL))) {
3681 if (avio_check(filename, 0) == 0) {
3683 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3685 if (!read_yesno()) {
3686 fprintf(stderr, "Not overwriting - exiting\n");
3691 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3698 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3699 print_error(filename, err);
3704 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3705 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3708 if (chapters_input_file >= nb_input_files) {
3709 if (chapters_input_file == INT_MAX) {
3710 /* copy chapters from the first input file that has them*/
3711 chapters_input_file = -1;
3712 for (i = 0; i < nb_input_files; i++)
3713 if (input_files[i].ctx->nb_chapters) {
3714 chapters_input_file = i;
3718 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3719 chapters_input_file);
3723 if (chapters_input_file >= 0)
3724 copy_chapters(chapters_input_file, nb_output_files - 1);
3727 for (i = 0; i < nb_meta_data_maps; i++) {
3728 AVFormatContext *files[2];
3729 AVDictionary **meta[2];
3732 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3733 if ((index) < 0 || (index) >= (nb_elems)) {\
3734 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3739 int in_file_index = meta_data_maps[i][1].file;
3740 if (in_file_index < 0)
3742 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3745 files[1] = input_files[in_file_index].ctx;
3747 for (j = 0; j < 2; j++) {
3748 MetadataMap *map = &meta_data_maps[i][j];
3750 switch (map->type) {
3752 meta[j] = &files[j]->metadata;
3755 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3756 meta[j] = &files[j]->streams[map->index]->metadata;
3759 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3760 meta[j] = &files[j]->chapters[map->index]->metadata;
3763 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3764 meta[j] = &files[j]->programs[map->index]->metadata;
3769 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3772 /* copy global metadata by default */
3773 if (metadata_global_autocopy && nb_input_files)
3774 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3775 AV_DICT_DONT_OVERWRITE);
3776 if (metadata_streams_autocopy)
3777 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3778 InputStream *ist = &input_streams[output_streams[i].source_index];
3779 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3782 frame_rate = (AVRational){0, 0};
3785 audio_sample_rate = 0;
3787 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3788 chapters_input_file = INT_MAX;
3789 recording_time = INT64_MAX;
3792 av_freep(&meta_data_maps);
3793 nb_meta_data_maps = 0;
3794 metadata_global_autocopy = 1;
3795 metadata_streams_autocopy = 1;
3796 metadata_chapters_autocopy = 1;
3797 av_freep(&stream_maps);
3799 av_freep(&streamid_map);
3800 nb_streamid_map = 0;
3802 av_dict_free(&codec_names);
3804 av_freep(&forced_key_frames);
3810 /* same option as mencoder */
3811 static int opt_pass(const char *opt, const char *arg)
3813 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3817 static int64_t getutime(void)
3820 struct rusage rusage;
3822 getrusage(RUSAGE_SELF, &rusage);
3823 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3824 #elif HAVE_GETPROCESSTIMES
3826 FILETIME c, e, k, u;
3827 proc = GetCurrentProcess();
3828 GetProcessTimes(proc, &c, &e, &k, &u);
3829 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3831 return av_gettime();
3835 static int64_t getmaxrss(void)
3837 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3838 struct rusage rusage;
3839 getrusage(RUSAGE_SELF, &rusage);
3840 return (int64_t)rusage.ru_maxrss * 1024;
3841 #elif HAVE_GETPROCESSMEMORYINFO
3843 PROCESS_MEMORY_COUNTERS memcounters;
3844 proc = GetCurrentProcess();
3845 memcounters.cb = sizeof(memcounters);
3846 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3847 return memcounters.PeakPagefileUsage;
3853 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3856 const char *p = str;
3863 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3870 static int opt_inter_matrix(const char *opt, const char *arg)
3872 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3873 parse_matrix_coeffs(inter_matrix, arg);
3877 static int opt_intra_matrix(const char *opt, const char *arg)
3879 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3880 parse_matrix_coeffs(intra_matrix, arg);
3884 static void show_usage(void)
3886 printf("Hyper fast Audio and Video encoder\n");
3887 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3891 static int opt_help(const char *opt, const char *arg)
3894 AVOutputFormat *oformat = NULL;
3895 AVInputFormat *iformat = NULL;
3897 av_log_set_callback(log_callback_help);
3899 show_help_options(options, "Main options:\n",
3900 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3901 show_help_options(options, "\nAdvanced options:\n",
3902 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3904 show_help_options(options, "\nVideo options:\n",
3905 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3907 show_help_options(options, "\nAdvanced Video options:\n",
3908 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3909 OPT_VIDEO | OPT_EXPERT);
3910 show_help_options(options, "\nAudio options:\n",
3911 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3913 show_help_options(options, "\nAdvanced Audio options:\n",
3914 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3915 OPT_AUDIO | OPT_EXPERT);
3916 show_help_options(options, "\nSubtitle options:\n",
3917 OPT_SUBTITLE | OPT_GRAB,
3919 show_help_options(options, "\nAudio/Video grab options:\n",
3923 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3926 /* individual codec options */
3928 while ((c = av_codec_next(c))) {
3929 if (c->priv_class) {
3930 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3935 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3938 /* individual muxer options */
3939 while ((oformat = av_oformat_next(oformat))) {
3940 if (oformat->priv_class) {
3941 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3946 /* individual demuxer options */
3947 while ((iformat = av_iformat_next(iformat))) {
3948 if (iformat->priv_class) {
3949 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3954 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3958 static int opt_target(const char *opt, const char *arg)
3960 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3961 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3963 if(!strncmp(arg, "pal-", 4)) {
3966 } else if(!strncmp(arg, "ntsc-", 5)) {
3969 } else if(!strncmp(arg, "film-", 5)) {
3974 /* Calculate FR via float to avoid int overflow */
3975 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3978 } else if((fr == 29970) || (fr == 23976)) {
3981 /* Try to determine PAL/NTSC by peeking in the input files */
3982 if(nb_input_files) {
3984 for (j = 0; j < nb_input_files; j++) {
3985 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3986 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3987 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3989 fr = c->time_base.den * 1000 / c->time_base.num;
3993 } else if((fr == 29970) || (fr == 23976)) {
4003 if(verbose > 0 && norm != UNKNOWN)
4004 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4007 if(norm == UNKNOWN) {
4008 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4009 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4010 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4014 if(!strcmp(arg, "vcd")) {
4015 opt_codec("c:v", "mpeg1video");
4016 opt_codec("c:a", "mp2");
4017 opt_format("f", "vcd");
4019 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4020 opt_frame_rate("r", frame_rates[norm]);
4021 opt_default("g", norm == PAL ? "15" : "18");
4023 opt_default("b", "1150000");
4024 opt_default("maxrate", "1150000");
4025 opt_default("minrate", "1150000");
4026 opt_default("bufsize", "327680"); // 40*1024*8;
4028 opt_default("b:a", "224000");
4029 audio_sample_rate = 44100;
4032 opt_default("packetsize", "2324");
4033 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4035 /* We have to offset the PTS, so that it is consistent with the SCR.
4036 SCR starts at 36000, but the first two packs contain only padding
4037 and the first pack from the other stream, respectively, may also have
4038 been written before.
4039 So the real data starts at SCR 36000+3*1200. */
4040 mux_preload= (36000+3*1200) / 90000.0; //0.44
4041 } else if(!strcmp(arg, "svcd")) {
4043 opt_codec("c:v", "mpeg2video");
4044 opt_codec("c:a", "mp2");
4045 opt_format("f", "svcd");
4047 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4048 opt_frame_rate("r", frame_rates[norm]);
4049 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4050 opt_default("g", norm == PAL ? "15" : "18");
4052 opt_default("b", "2040000");
4053 opt_default("maxrate", "2516000");
4054 opt_default("minrate", "0"); //1145000;
4055 opt_default("bufsize", "1835008"); //224*1024*8;
4056 opt_default("flags", "+scan_offset");
4059 opt_default("b:a", "224000");
4060 audio_sample_rate = 44100;
4062 opt_default("packetsize", "2324");
4064 } else if(!strcmp(arg, "dvd")) {
4066 opt_codec("c:v", "mpeg2video");
4067 opt_codec("c:a", "ac3");
4068 opt_format("f", "dvd");
4070 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4071 opt_frame_rate("r", frame_rates[norm]);
4072 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4073 opt_default("g", norm == PAL ? "15" : "18");
4075 opt_default("b", "6000000");
4076 opt_default("maxrate", "9000000");
4077 opt_default("minrate", "0"); //1500000;
4078 opt_default("bufsize", "1835008"); //224*1024*8;
4080 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4081 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4083 opt_default("b:a", "448000");
4084 audio_sample_rate = 48000;
4086 } else if(!strncmp(arg, "dv", 2)) {
4088 opt_format("f", "dv");
4090 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4091 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4092 norm == PAL ? "yuv420p" : "yuv411p");
4093 opt_frame_rate("r", frame_rates[norm]);
4095 audio_sample_rate = 48000;
4099 fprintf(stderr, "Unknown target: %s\n", arg);
4100 return AVERROR(EINVAL);
4105 static int opt_vstats_file(const char *opt, const char *arg)
4107 av_free (vstats_filename);
4108 vstats_filename=av_strdup (arg);
4112 static int opt_vstats(const char *opt, const char *arg)
4115 time_t today2 = time(NULL);
4116 struct tm *today = localtime(&today2);
4118 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4120 return opt_vstats_file(opt, filename);
4123 static int opt_bsf(const char *opt, const char *arg)
4125 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4126 AVBitStreamFilterContext **bsfp;
4129 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4133 bsfp= *opt == 'v' ? &video_bitstream_filters :
4134 *opt == 'a' ? &audio_bitstream_filters :
4135 &subtitle_bitstream_filters;
4137 bsfp= &(*bsfp)->next;
4144 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4148 static int opt_passlogfile(const char *opt, const char *arg)
4150 pass_logfilename_prefix = arg;
4151 #if CONFIG_LIBX264_ENCODER
4152 return opt_default("passlogfile", arg);
4158 static const OptionDef options[] = {
4160 #include "cmdutils_common_opts.h"
4161 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4162 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4163 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4164 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4165 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4166 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4167 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4168 "outfile[,metadata]:infile[,metadata]" },
4169 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4170 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4171 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4172 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4173 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4174 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4175 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4176 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4177 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4178 "add timings for benchmarking" },
4179 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4180 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4181 "dump each input packet" },
4182 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4183 "when dumping packets, also dump the payload" },
4184 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4185 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4186 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4187 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4188 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4189 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4190 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4191 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4192 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4193 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4194 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4195 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4196 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4197 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4200 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4201 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4202 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4203 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4204 { "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" },
4205 { "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" },
4206 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4207 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4208 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4209 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4210 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4211 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4212 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4213 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4214 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4215 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4216 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4217 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4218 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4219 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4220 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4221 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4222 "use same quantizer as source (implies VBR)" },
4223 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4224 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4225 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4226 "deinterlace pictures" },
4227 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4228 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4229 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4231 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4233 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4234 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4235 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4236 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4237 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4238 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4239 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4240 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4241 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4242 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4245 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4246 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4247 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4248 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4249 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4250 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4251 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4252 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4253 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4254 { "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" },
4256 /* subtitle options */
4257 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4258 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4259 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4260 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4263 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4266 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4267 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4269 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4270 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4271 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4273 /* data codec support */
4274 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4276 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4280 int main(int argc, char **argv)
4284 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4286 if(argc>1 && !strcmp(argv[1], "-d")){
4289 av_log_set_callback(log_callback_null);
4294 avcodec_register_all();
4296 avdevice_register_all();
4299 avfilter_register_all();
4304 if(isatty(STDIN_FILENO))
4305 avio_set_interrupt_cb(decode_interrupt_cb);
4314 parse_options(argc, argv, options, opt_output_file);
4316 if(nb_output_files <= 0 && nb_input_files == 0) {
4318 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4322 /* file converter / grab */
4323 if (nb_output_files <= 0) {
4324 fprintf(stderr, "At least one output file must be specified\n");
4328 if (nb_input_files == 0) {
4329 fprintf(stderr, "At least one input file must be specified\n");
4334 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4336 ti = getutime() - ti;
4338 int maxrss = getmaxrss() / 1024;
4339 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4342 return exit_program(0);