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 = UINT64_MAX;
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 */
327 uint64_t limit_filesize;
330 static InputStream *input_streams = NULL;
331 static int nb_input_streams = 0;
332 static InputFile *input_files = NULL;
333 static int nb_input_files = 0;
335 static OutputStream *output_streams = NULL;
336 static int nb_output_streams = 0;
337 static OutputFile *output_files = NULL;
338 static int nb_output_files = 0;
342 static int configure_video_filters(InputStream *ist, OutputStream *ost)
344 AVFilterContext *last_filter, *filter;
345 /** filter graph containing all filters including input & output */
346 AVCodecContext *codec = ost->st->codec;
347 AVCodecContext *icodec = ist->st->codec;
348 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
349 AVRational sample_aspect_ratio;
353 ost->graph = avfilter_graph_alloc();
355 if (ist->st->sample_aspect_ratio.num){
356 sample_aspect_ratio = ist->st->sample_aspect_ratio;
358 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
360 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
361 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
362 sample_aspect_ratio.num, sample_aspect_ratio.den);
364 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
365 "src", args, NULL, ost->graph);
368 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
369 "out", NULL, pix_fmts, ost->graph);
372 last_filter = ost->input_video_filter;
374 if (codec->width != icodec->width || codec->height != icodec->height) {
375 snprintf(args, 255, "%d:%d:flags=0x%X",
379 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
380 NULL, args, NULL, ost->graph)) < 0)
382 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
384 last_filter = filter;
387 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
388 ost->graph->scale_sws_opts = av_strdup(args);
391 AVFilterInOut *outputs = avfilter_inout_alloc();
392 AVFilterInOut *inputs = avfilter_inout_alloc();
394 outputs->name = av_strdup("in");
395 outputs->filter_ctx = last_filter;
396 outputs->pad_idx = 0;
397 outputs->next = NULL;
399 inputs->name = av_strdup("out");
400 inputs->filter_ctx = ost->output_video_filter;
404 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
406 av_freep(&ost->avfilter);
408 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
412 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
415 codec->width = ost->output_video_filter->inputs[0]->w;
416 codec->height = ost->output_video_filter->inputs[0]->h;
417 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
418 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
419 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
420 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
424 #endif /* CONFIG_AVFILTER */
426 static void term_exit(void)
428 av_log(NULL, AV_LOG_QUIET, "%s", "");
431 tcsetattr (0, TCSANOW, &oldtty);
435 static volatile int received_sigterm = 0;
438 sigterm_handler(int sig)
440 received_sigterm = sig;
445 static void term_init(void)
455 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
456 |INLCR|IGNCR|ICRNL|IXON);
457 tty.c_oflag |= OPOST;
458 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
459 tty.c_cflag &= ~(CSIZE|PARENB);
464 tcsetattr (0, TCSANOW, &tty);
465 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
469 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
470 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
472 signal(SIGXCPU, sigterm_handler);
476 /* read a key without blocking */
477 static int read_key(void)
492 n = select(1, &rfds, NULL, NULL, &tv);
507 static int decode_interrupt_cb(void)
509 q_pressed += read_key() == 'q';
510 return q_pressed > 1;
513 static int exit_program(int ret)
518 for(i=0;i<nb_output_files;i++) {
519 AVFormatContext *s = output_files[i].ctx;
520 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
522 avformat_free_context(s);
523 av_dict_free(&output_files[i].opts);
525 for(i=0;i<nb_input_files;i++) {
526 av_close_input_file(input_files[i].ctx);
528 for (i = 0; i < nb_input_streams; i++)
529 av_dict_free(&input_streams[i].opts);
531 av_free(intra_matrix);
532 av_free(inter_matrix);
536 av_free(vstats_filename);
538 av_free(meta_data_maps);
540 av_freep(&input_streams);
541 av_freep(&input_files);
542 av_freep(&output_streams);
543 av_freep(&output_files);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
555 if (received_sigterm) {
557 "Received signal %d: terminating.\n",
558 (int) received_sigterm);
562 exit(ret); /* not all OS-es handle main() return value */
566 static void assert_avoptions(AVDictionary *m)
568 AVDictionaryEntry *t;
569 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
570 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
575 static void assert_codec_experimental(AVCodecContext *c, int encoder)
577 const char *codec_string = encoder ? "encoder" : "decoder";
579 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
580 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
581 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
582 "results.\nAdd '-strict experimental' if you want to use it.\n",
583 codec_string, c->codec->name);
584 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
585 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
586 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
587 codec_string, codec->name);
592 /* similar to ff_dynarray_add() and av_fast_realloc() */
593 static void *grow_array(void *array, int elem_size, int *size, int new_size)
595 if (new_size >= INT_MAX / elem_size) {
596 fprintf(stderr, "Array too big.\n");
599 if (*size < new_size) {
600 uint8_t *tmp = av_realloc(array, new_size*elem_size);
602 fprintf(stderr, "Could not alloc buffer.\n");
605 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
612 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
614 if(codec && codec->sample_fmts){
615 const enum AVSampleFormat *p= codec->sample_fmts;
617 if(*p == st->codec->sample_fmt)
621 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
622 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
623 if(av_get_sample_fmt_name(st->codec->sample_fmt))
624 av_log(NULL, AV_LOG_WARNING,
625 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
626 av_get_sample_fmt_name(st->codec->sample_fmt),
628 av_get_sample_fmt_name(codec->sample_fmts[0]));
629 st->codec->sample_fmt = codec->sample_fmts[0];
634 static void choose_sample_rate(AVStream *st, AVCodec *codec)
636 if(codec && codec->supported_samplerates){
637 const int *p= codec->supported_samplerates;
639 int best_dist=INT_MAX;
641 int dist= abs(st->codec->sample_rate - *p);
642 if(dist < best_dist){
648 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
650 st->codec->sample_rate= best;
654 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
656 if(codec && codec->pix_fmts){
657 const enum PixelFormat *p= codec->pix_fmts;
658 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
659 if(st->codec->codec_id==CODEC_ID_MJPEG){
660 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
661 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
662 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
666 if(*p == st->codec->pix_fmt)
670 if(st->codec->pix_fmt != PIX_FMT_NONE)
671 av_log(NULL, AV_LOG_WARNING,
672 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
673 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
675 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
676 st->codec->pix_fmt = codec->pix_fmts[0];
682 get_sync_ipts(const OutputStream *ost)
684 const InputStream *ist = ost->sync_ist;
685 OutputFile *of = &output_files[ost->file_index];
686 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
689 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
693 AVPacket new_pkt= *pkt;
694 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
695 &new_pkt.data, &new_pkt.size,
696 pkt->data, pkt->size,
697 pkt->flags & AV_PKT_FLAG_KEY);
700 new_pkt.destruct= av_destruct_packet;
702 fprintf(stderr, "%s failed for stream %d, codec %s",
703 bsfc->filter->name, pkt->stream_index,
704 avctx->codec ? avctx->codec->name : "copy");
714 ret= av_interleaved_write_frame(s, pkt);
716 print_error("av_interleaved_write_frame()", ret);
721 static void do_audio_out(AVFormatContext *s,
724 unsigned char *buf, int size)
727 int64_t audio_out_size, audio_buf_size;
728 int64_t allocated_for_size= size;
730 int size_out, frame_bytes, ret, resample_changed;
731 AVCodecContext *enc= ost->st->codec;
732 AVCodecContext *dec= ist->st->codec;
733 int osize = av_get_bytes_per_sample(enc->sample_fmt);
734 int isize = av_get_bytes_per_sample(dec->sample_fmt);
735 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
738 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
739 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
740 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
741 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
742 audio_buf_size*= osize*enc->channels;
744 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
745 if(coded_bps > 8*osize)
746 audio_out_size= audio_out_size * coded_bps / (8*osize);
747 audio_out_size += FF_MIN_BUFFER_SIZE;
749 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
750 fprintf(stderr, "Buffer sizes too large\n");
754 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
755 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
756 if (!audio_buf || !audio_out){
757 fprintf(stderr, "Out of memory in do_audio_out\n");
761 if (enc->channels != dec->channels)
762 ost->audio_resample = 1;
764 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
765 ost->resample_channels != dec->channels ||
766 ost->resample_sample_rate != dec->sample_rate;
768 if ((ost->audio_resample && !ost->resample) || resample_changed) {
769 if (resample_changed) {
770 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
771 ist->file_index, ist->st->index,
772 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
773 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
774 ost->resample_sample_fmt = dec->sample_fmt;
775 ost->resample_channels = dec->channels;
776 ost->resample_sample_rate = dec->sample_rate;
778 audio_resample_close(ost->resample);
780 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
781 if (audio_sync_method <= 1 &&
782 ost->resample_sample_fmt == enc->sample_fmt &&
783 ost->resample_channels == enc->channels &&
784 ost->resample_sample_rate == enc->sample_rate) {
785 ost->resample = NULL;
786 ost->audio_resample = 0;
788 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
789 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
790 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
791 enc->sample_rate, dec->sample_rate,
792 enc->sample_fmt, dec->sample_fmt,
794 if (!ost->resample) {
795 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
796 dec->channels, dec->sample_rate,
797 enc->channels, enc->sample_rate);
803 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
804 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
805 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
806 if (ost->reformat_ctx)
807 av_audio_convert_free(ost->reformat_ctx);
808 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
809 dec->sample_fmt, 1, NULL, 0);
810 if (!ost->reformat_ctx) {
811 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
812 av_get_sample_fmt_name(dec->sample_fmt),
813 av_get_sample_fmt_name(enc->sample_fmt));
816 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
819 if(audio_sync_method){
820 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
821 - av_fifo_size(ost->fifo)/(enc->channels * 2);
822 double idelta= delta*dec->sample_rate / enc->sample_rate;
823 int byte_delta= ((int)idelta)*2*dec->channels;
825 //FIXME resample delay
826 if(fabs(delta) > 50){
827 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
829 byte_delta= FFMAX(byte_delta, -size);
833 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
838 static uint8_t *input_tmp= NULL;
839 input_tmp= av_realloc(input_tmp, byte_delta + size);
841 if(byte_delta > allocated_for_size - size){
842 allocated_for_size= byte_delta + (int64_t)size;
847 memset(input_tmp, 0, byte_delta);
848 memcpy(input_tmp + byte_delta, buf, size);
852 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
854 }else if(audio_sync_method>1){
855 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
856 av_assert0(ost->audio_resample);
858 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
859 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
860 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
864 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
865 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
867 if (ost->audio_resample) {
869 size_out = audio_resample(ost->resample,
870 (short *)buftmp, (short *)buf,
871 size / (dec->channels * isize));
872 size_out = size_out * enc->channels * osize;
878 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
879 const void *ibuf[6]= {buftmp};
880 void *obuf[6]= {audio_buf};
881 int istride[6]= {isize};
882 int ostride[6]= {osize};
883 int len= size_out/istride[0];
884 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
885 printf("av_audio_convert() failed\n");
891 size_out = len*osize;
894 /* now encode as many frames as possible */
895 if (enc->frame_size > 1) {
896 /* output resampled raw samples */
897 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
898 fprintf(stderr, "av_fifo_realloc2() failed\n");
901 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
903 frame_bytes = enc->frame_size * osize * enc->channels;
905 while (av_fifo_size(ost->fifo) >= frame_bytes) {
907 av_init_packet(&pkt);
909 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
911 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
913 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
916 fprintf(stderr, "Audio encoding failed\n");
920 pkt.stream_index= ost->index;
923 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
924 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
925 pkt.flags |= AV_PKT_FLAG_KEY;
926 write_frame(s, &pkt, enc, ost->bitstream_filters);
928 ost->sync_opts += enc->frame_size;
932 av_init_packet(&pkt);
934 ost->sync_opts += size_out / (osize * enc->channels);
936 /* output a pcm frame */
937 /* determine the size of the coded buffer */
940 size_out = size_out*coded_bps/8;
942 if(size_out > audio_out_size){
943 fprintf(stderr, "Internal error, buffer size too small\n");
947 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
948 ret = avcodec_encode_audio(enc, audio_out, size_out,
951 fprintf(stderr, "Audio encoding failed\n");
955 pkt.stream_index= ost->index;
958 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
959 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
960 pkt.flags |= AV_PKT_FLAG_KEY;
961 write_frame(s, &pkt, enc, ost->bitstream_filters);
965 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
969 AVPicture picture_tmp;
972 dec = ist->st->codec;
974 /* deinterlace : must be done before any resize */
975 if (do_deinterlace) {
978 /* create temporary picture */
979 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
980 buf = av_malloc(size);
984 picture2 = &picture_tmp;
985 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
987 if(avpicture_deinterlace(picture2, picture,
988 dec->pix_fmt, dec->width, dec->height) < 0) {
989 /* if error, do not deinterlace */
990 fprintf(stderr, "Deinterlacing failed\n");
999 if (picture != picture2)
1000 *picture = *picture2;
1004 static void do_subtitle_out(AVFormatContext *s,
1010 static uint8_t *subtitle_out = NULL;
1011 int subtitle_out_max_size = 1024 * 1024;
1012 int subtitle_out_size, nb, i;
1013 AVCodecContext *enc;
1016 if (pts == AV_NOPTS_VALUE) {
1017 fprintf(stderr, "Subtitle packets must have a pts\n");
1023 enc = ost->st->codec;
1025 if (!subtitle_out) {
1026 subtitle_out = av_malloc(subtitle_out_max_size);
1029 /* Note: DVB subtitle need one packet to draw them and one other
1030 packet to clear them */
1031 /* XXX: signal it in the codec context ? */
1032 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1037 for(i = 0; i < nb; i++) {
1038 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1039 // start_display_time is required to be 0
1040 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1041 sub->end_display_time -= sub->start_display_time;
1042 sub->start_display_time = 0;
1043 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1044 subtitle_out_max_size, sub);
1045 if (subtitle_out_size < 0) {
1046 fprintf(stderr, "Subtitle encoding failed\n");
1050 av_init_packet(&pkt);
1051 pkt.stream_index = ost->index;
1052 pkt.data = subtitle_out;
1053 pkt.size = subtitle_out_size;
1054 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1055 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1056 /* XXX: the pts correction is handled here. Maybe handling
1057 it in the codec would be better */
1059 pkt.pts += 90 * sub->start_display_time;
1061 pkt.pts += 90 * sub->end_display_time;
1063 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1067 static int bit_buffer_size= 1024*256;
1068 static uint8_t *bit_buffer= NULL;
1070 static void do_video_resample(OutputStream *ost,
1072 AVFrame *in_picture,
1073 AVFrame **out_picture)
1075 int resample_changed = 0;
1076 AVCodecContext *dec = ist->st->codec;
1077 AVCodecContext *enc = ost->st->codec;
1078 *out_picture = in_picture;
1080 resample_changed = ost->resample_width != dec->width ||
1081 ost->resample_height != dec->height ||
1082 ost->resample_pix_fmt != dec->pix_fmt;
1084 #if !CONFIG_AVFILTER
1085 if (resample_changed) {
1086 av_log(NULL, AV_LOG_INFO,
1087 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1088 ist->file_index, ist->st->index,
1089 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1090 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1091 ost->resample_width = dec->width;
1092 ost->resample_height = dec->height;
1093 ost->resample_pix_fmt = dec->pix_fmt;
1096 ost->video_resample = dec->width != enc->width ||
1097 dec->height != enc->height ||
1098 dec->pix_fmt != enc->pix_fmt;
1100 if (ost->video_resample) {
1101 *out_picture = &ost->resample_frame;
1102 if (!ost->img_resample_ctx || resample_changed) {
1103 /* initialize the destination picture */
1104 if (!ost->resample_frame.data[0]) {
1105 avcodec_get_frame_defaults(&ost->resample_frame);
1106 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1107 enc->width, enc->height)) {
1108 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1112 /* initialize a new scaler context */
1113 sws_freeContext(ost->img_resample_ctx);
1114 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1115 enc->width, enc->height, enc->pix_fmt,
1116 ost->sws_flags, NULL, NULL, NULL);
1117 if (ost->img_resample_ctx == NULL) {
1118 fprintf(stderr, "Cannot get resampling context\n");
1122 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1123 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1126 if (resample_changed) {
1127 avfilter_graph_free(&ost->graph);
1128 if (configure_video_filters(ist, ost)) {
1129 fprintf(stderr, "Error reinitializing filters!\n");
1134 if (resample_changed) {
1135 ost->resample_width = dec->width;
1136 ost->resample_height = dec->height;
1137 ost->resample_pix_fmt = dec->pix_fmt;
1142 static void do_video_out(AVFormatContext *s,
1145 AVFrame *in_picture,
1146 int *frame_size, float quality)
1148 int nb_frames, i, ret, format_video_sync;
1149 AVFrame *final_picture;
1150 AVCodecContext *enc, *dec;
1153 enc = ost->st->codec;
1154 dec = ist->st->codec;
1156 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1158 /* by default, we output a single frame */
1163 format_video_sync = video_sync_method;
1164 if (format_video_sync < 0)
1165 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1167 if (format_video_sync) {
1168 double vdelta = sync_ipts - ost->sync_opts;
1169 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1172 else if (format_video_sync == 2) {
1175 }else if(vdelta>0.6)
1176 ost->sync_opts= lrintf(sync_ipts);
1177 }else if (vdelta > 1.1)
1178 nb_frames = lrintf(vdelta);
1179 //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);
1180 if (nb_frames == 0){
1183 fprintf(stderr, "*** drop!\n");
1184 }else if (nb_frames > 1) {
1185 nb_frames_dup += nb_frames - 1;
1187 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1190 ost->sync_opts= lrintf(sync_ipts);
1192 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1196 do_video_resample(ost, ist, in_picture, &final_picture);
1198 /* duplicates frame if needed */
1199 for(i=0;i<nb_frames;i++) {
1201 av_init_packet(&pkt);
1202 pkt.stream_index= ost->index;
1204 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1205 /* raw pictures are written as AVPicture structure to
1206 avoid any copies. We support temporarily the older
1208 AVFrame* old_frame = enc->coded_frame;
1209 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1210 pkt.data= (uint8_t *)final_picture;
1211 pkt.size= sizeof(AVPicture);
1212 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1213 pkt.flags |= AV_PKT_FLAG_KEY;
1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 enc->coded_frame = old_frame;
1218 AVFrame big_picture;
1220 big_picture= *final_picture;
1221 /* better than nothing: use input picture interlaced
1223 big_picture.interlaced_frame = in_picture->interlaced_frame;
1224 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1225 if(top_field_first == -1)
1226 big_picture.top_field_first = in_picture->top_field_first;
1228 big_picture.top_field_first = top_field_first;
1231 /* handles same_quant here. This is not correct because it may
1232 not be a global option */
1233 big_picture.quality = quality;
1235 big_picture.pict_type = 0;
1236 // big_picture.pts = AV_NOPTS_VALUE;
1237 big_picture.pts= ost->sync_opts;
1238 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1239 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1240 if (ost->forced_kf_index < ost->forced_kf_count &&
1241 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1242 big_picture.pict_type = AV_PICTURE_TYPE_I;
1243 ost->forced_kf_index++;
1245 ret = avcodec_encode_video(enc,
1246 bit_buffer, bit_buffer_size,
1249 fprintf(stderr, "Video encoding failed\n");
1254 pkt.data= bit_buffer;
1256 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1257 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1258 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1259 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1260 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1262 if(enc->coded_frame->key_frame)
1263 pkt.flags |= AV_PKT_FLAG_KEY;
1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1267 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1268 // enc->frame_number-1, ret, enc->pict_type);
1269 /* if two pass, output log */
1270 if (ost->logfile && enc->stats_out) {
1271 fprintf(ost->logfile, "%s", enc->stats_out);
1276 ost->frame_number++;
1280 static double psnr(double d){
1281 return -10.0*log(d)/log(10.0);
1284 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1287 AVCodecContext *enc;
1289 double ti1, bitrate, avg_bitrate;
1291 /* this is executed just the first time do_video_stats is called */
1293 vstats_file = fopen(vstats_filename, "w");
1300 enc = ost->st->codec;
1301 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1302 frame_number = ost->frame_number;
1303 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1304 if (enc->flags&CODEC_FLAG_PSNR)
1305 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1307 fprintf(vstats_file,"f_size= %6d ", frame_size);
1308 /* compute pts value */
1309 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1313 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1314 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1315 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1316 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1317 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1321 static void print_report(OutputFile *output_files,
1322 OutputStream *ost_table, int nb_ostreams,
1323 int is_last_report, int64_t timer_start)
1327 AVFormatContext *oc;
1329 AVCodecContext *enc;
1330 int frame_number, vid, i;
1332 int64_t pts = INT64_MAX;
1333 static int64_t last_time = -1;
1334 static int qp_histogram[52];
1336 if (!is_last_report) {
1338 /* display the report every 0.5 seconds */
1339 cur_time = av_gettime();
1340 if (last_time == -1) {
1341 last_time = cur_time;
1344 if ((cur_time - last_time) < 500000)
1346 last_time = cur_time;
1350 oc = output_files[0].ctx;
1352 total_size = avio_size(oc->pb);
1353 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1354 total_size= avio_tell(oc->pb);
1358 for(i=0;i<nb_ostreams;i++) {
1360 ost = &ost_table[i];
1361 enc = ost->st->codec;
1362 if (!ost->st->stream_copy && enc->coded_frame)
1363 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1364 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1367 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1368 float t = (av_gettime()-timer_start) / 1000000.0;
1370 frame_number = ost->frame_number;
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1372 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1378 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1383 if (enc->flags&CODEC_FLAG_PSNR){
1385 double error, error_sum=0;
1386 double scale, scale_sum=0;
1387 char type[3]= {'Y','U','V'};
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1391 error= enc->error[j];
1392 scale= enc->width*enc->height*255.0*255.0*frame_number;
1394 error= enc->coded_frame->error[j];
1395 scale= enc->width*enc->height*255.0*255.0;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1406 /* compute min output value */
1407 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1408 ost->st->time_base, AV_TIME_BASE_Q));
1411 if (verbose > 0 || is_last_report) {
1412 int hours, mins, secs, us;
1413 secs = pts / AV_TIME_BASE;
1414 us = pts % AV_TIME_BASE;
1420 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1423 "size=%8.0fkB time=", total_size / 1024.0);
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1425 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1426 (100 * us) / AV_TIME_BASE);
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1428 "bitrate=%6.1fkbits/s", bitrate);
1430 if (nb_frames_dup || nb_frames_drop)
1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1432 nb_frames_dup, nb_frames_drop);
1435 fprintf(stderr, "%s \r", buf);
1440 if (is_last_report && verbose >= 0){
1441 int64_t raw= audio_size + video_size + extra_size;
1442 fprintf(stderr, "\n");
1443 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1447 100.0*(total_size - raw)/raw
1452 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1454 int fill_char = 0x00;
1455 if (sample_fmt == AV_SAMPLE_FMT_U8)
1457 memset(buf, fill_char, size);
1460 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1464 for (i = 0; i < nb_ostreams; i++) {
1465 OutputStream *ost = &ost_table[i];
1466 AVCodecContext *enc = ost->st->codec;
1467 AVFormatContext *os = output_files[ost->file_index].ctx;
1469 if (!ost->encoding_needed)
1472 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1474 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1480 av_init_packet(&pkt);
1481 pkt.stream_index= ost->index;
1483 switch (ost->st->codec->codec_type) {
1484 case AVMEDIA_TYPE_AUDIO:
1485 fifo_bytes = av_fifo_size(ost->fifo);
1487 /* encode any samples remaining in fifo */
1488 if (fifo_bytes > 0) {
1489 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1490 int fs_tmp = enc->frame_size;
1492 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1493 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1494 enc->frame_size = fifo_bytes / (osize * enc->channels);
1496 int frame_bytes = enc->frame_size*osize*enc->channels;
1497 if (allocated_audio_buf_size < frame_bytes)
1499 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1502 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1503 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1504 ost->st->time_base.num, enc->sample_rate);
1505 enc->frame_size = fs_tmp;
1508 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1511 fprintf(stderr, "Audio encoding failed\n");
1515 pkt.flags |= AV_PKT_FLAG_KEY;
1517 case AVMEDIA_TYPE_VIDEO:
1518 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1520 fprintf(stderr, "Video encoding failed\n");
1524 if(enc->coded_frame && enc->coded_frame->key_frame)
1525 pkt.flags |= AV_PKT_FLAG_KEY;
1526 if (ost->logfile && enc->stats_out) {
1527 fprintf(ost->logfile, "%s", enc->stats_out);
1536 pkt.data = bit_buffer;
1538 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1539 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1540 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1545 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1546 static int output_packet(InputStream *ist, int ist_index,
1547 OutputStream *ost_table, int nb_ostreams,
1548 const AVPacket *pkt)
1550 AVFormatContext *os;
1555 void *buffer_to_free = NULL;
1556 static unsigned int samples_size= 0;
1557 AVSubtitle subtitle, *subtitle_to_free;
1558 int64_t pkt_pts = AV_NOPTS_VALUE;
1560 int frame_available;
1565 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1567 if(ist->next_pts == AV_NOPTS_VALUE)
1568 ist->next_pts= ist->pts;
1572 av_init_packet(&avpkt);
1580 if(pkt->dts != AV_NOPTS_VALUE)
1581 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1582 if(pkt->pts != AV_NOPTS_VALUE)
1583 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1585 //while we have more to decode or while the decoder did output something on EOF
1586 while (avpkt.size > 0 || (!pkt && got_output)) {
1587 uint8_t *data_buf, *decoded_data_buf;
1588 int data_size, decoded_data_size;
1590 ist->pts= ist->next_pts;
1592 if(avpkt.size && avpkt.size != pkt->size &&
1593 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1594 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1595 ist->showed_multi_packet_warning=1;
1598 /* decode the packet if needed */
1599 decoded_data_buf = NULL; /* fail safe */
1600 decoded_data_size= 0;
1601 data_buf = avpkt.data;
1602 data_size = avpkt.size;
1603 subtitle_to_free = NULL;
1604 if (ist->decoding_needed) {
1605 switch(ist->st->codec->codec_type) {
1606 case AVMEDIA_TYPE_AUDIO:{
1607 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1608 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1610 samples= av_malloc(samples_size);
1612 decoded_data_size= samples_size;
1613 /* XXX: could avoid copy if PCM 16 bits with same
1614 endianness as CPU */
1615 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1622 got_output = decoded_data_size > 0;
1623 /* Some bug in mpeg audio decoder gives */
1624 /* decoded_data_size < 0, it seems they are overflows */
1626 /* no audio frame */
1629 decoded_data_buf = (uint8_t *)samples;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1631 (ist->st->codec->sample_rate * ist->st->codec->channels);
1633 case AVMEDIA_TYPE_VIDEO:
1634 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1635 /* XXX: allocate picture correctly */
1636 avcodec_get_frame_defaults(&picture);
1637 avpkt.pts = pkt_pts;
1638 avpkt.dts = ist->pts;
1639 pkt_pts = AV_NOPTS_VALUE;
1641 ret = avcodec_decode_video2(ist->st->codec,
1642 &picture, &got_output, &avpkt);
1643 quality = same_quant ? picture.quality : 0;
1647 /* no picture yet */
1648 goto discard_packet;
1650 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1651 if (ist->st->codec->time_base.num != 0) {
1652 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1653 ist->next_pts += ((int64_t)AV_TIME_BASE *
1654 ist->st->codec->time_base.num * ticks) /
1655 ist->st->codec->time_base.den;
1658 buffer_to_free = NULL;
1659 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1661 case AVMEDIA_TYPE_SUBTITLE:
1662 ret = avcodec_decode_subtitle2(ist->st->codec,
1663 &subtitle, &got_output, &avpkt);
1667 goto discard_packet;
1669 subtitle_to_free = &subtitle;
1676 switch(ist->st->codec->codec_type) {
1677 case AVMEDIA_TYPE_AUDIO:
1678 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1679 ist->st->codec->sample_rate;
1681 case AVMEDIA_TYPE_VIDEO:
1682 if (ist->st->codec->time_base.num != 0) {
1683 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1684 ist->next_pts += ((int64_t)AV_TIME_BASE *
1685 ist->st->codec->time_base.num * ticks) /
1686 ist->st->codec->time_base.den;
1694 // preprocess audio (volume)
1695 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1696 if (audio_volume != 256) {
1699 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1700 int v = ((*volp) * audio_volume + 128) >> 8;
1701 if (v < -32768) v = -32768;
1702 if (v > 32767) v = 32767;
1708 /* frame rate emulation */
1710 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1711 int64_t now = av_gettime() - ist->start;
1715 /* if output time reached then transcode raw format,
1716 encode packets and output them */
1717 for (i = 0; i < nb_ostreams; i++) {
1718 OutputFile *of = &output_files[ost_table[i].file_index];
1721 ost = &ost_table[i];
1722 if (ost->source_index != ist_index)
1725 if (of->start_time && ist->pts < of->start_time)
1728 if (of->recording_time != INT64_MAX &&
1729 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1730 (AVRational){1, 1000000}) >= 0) {
1731 ost->is_past_recording_time = 1;
1736 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1737 ost->input_video_filter) {
1738 if (!picture.sample_aspect_ratio.num)
1739 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1740 picture.pts = ist->pts;
1742 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1744 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1745 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1746 while (frame_available) {
1747 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1748 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1749 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1752 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1753 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1757 os = output_files[ost->file_index].ctx;
1759 /* set the input output pts pairs */
1760 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1762 if (ost->encoding_needed) {
1763 av_assert0(ist->decoding_needed);
1764 switch(ost->st->codec->codec_type) {
1765 case AVMEDIA_TYPE_AUDIO:
1766 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1768 case AVMEDIA_TYPE_VIDEO:
1770 if (ost->picref->video && !ost->frame_aspect_ratio)
1771 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1773 do_video_out(os, ost, ist, &picture, &frame_size,
1774 same_quant ? quality : ost->st->codec->global_quality);
1775 if (vstats_filename && frame_size)
1776 do_video_stats(os, ost, frame_size);
1778 case AVMEDIA_TYPE_SUBTITLE:
1779 do_subtitle_out(os, ost, ist, &subtitle,
1786 AVFrame avframe; //FIXME/XXX remove this
1789 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1790 av_init_packet(&opkt);
1792 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1793 #if !CONFIG_AVFILTER
1799 /* no reencoding needed : output the packet directly */
1800 /* force the input stream PTS */
1802 avcodec_get_frame_defaults(&avframe);
1803 ost->st->codec->coded_frame= &avframe;
1804 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1806 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1807 audio_size += data_size;
1808 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1809 video_size += data_size;
1813 opkt.stream_index= ost->index;
1814 if(pkt->pts != AV_NOPTS_VALUE)
1815 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1817 opkt.pts= AV_NOPTS_VALUE;
1819 if (pkt->dts == AV_NOPTS_VALUE)
1820 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1822 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1823 opkt.dts -= ost_tb_start_time;
1825 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1826 opkt.flags= pkt->flags;
1828 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1829 if( ost->st->codec->codec_id != CODEC_ID_H264
1830 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1831 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1833 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1834 opkt.destruct= av_destruct_packet;
1836 opkt.data = data_buf;
1837 opkt.size = data_size;
1840 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1841 /* store AVPicture in AVPacket, as expected by the output format */
1842 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1843 opkt.data = (uint8_t *)&pict;
1844 opkt.size = sizeof(AVPicture);
1845 opkt.flags |= AV_PKT_FLAG_KEY;
1847 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1848 ost->st->codec->frame_number++;
1849 ost->frame_number++;
1850 av_free_packet(&opkt);
1854 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1855 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1857 avfilter_unref_buffer(ost->picref);
1862 av_free(buffer_to_free);
1863 /* XXX: allocate the subtitles in the codec ? */
1864 if (subtitle_to_free) {
1865 avsubtitle_free(subtitle_to_free);
1866 subtitle_to_free = NULL;
1874 static void print_sdp(OutputFile *output_files, int n)
1878 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1882 for (i = 0; i < n; i++)
1883 avc[i] = output_files[i].ctx;
1885 av_sdp_create(avc, n, sdp, sizeof(sdp));
1886 printf("SDP:\n%s\n", sdp);
1891 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1892 char *error, int error_len)
1895 InputStream *ist = &input_streams[ist_index];
1896 if (ist->decoding_needed) {
1897 AVCodec *codec = ist->dec;
1899 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1901 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1902 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1903 return AVERROR(EINVAL);
1906 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1907 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1908 ist->file_index, ist->st->index);
1909 return AVERROR(EINVAL);
1911 assert_codec_experimental(ist->st->codec, 0);
1912 assert_avoptions(ist->opts);
1915 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;
1916 ist->next_pts = AV_NOPTS_VALUE;
1922 static int transcode_init(OutputFile *output_files,
1923 int nb_output_files,
1924 InputFile *input_files,
1928 AVFormatContext *os;
1929 AVCodecContext *codec, *icodec;
1936 for (i = 0; i < nb_input_streams; i++)
1937 input_streams[i].start = av_gettime();
1939 /* output stream init */
1940 for(i=0;i<nb_output_files;i++) {
1941 os = output_files[i].ctx;
1942 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1943 av_dump_format(os, i, os->filename, 1);
1944 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1945 return AVERROR(EINVAL);
1949 /* for each output stream, we compute the right encoding parameters */
1950 for (i = 0; i < nb_output_streams; i++) {
1951 ost = &output_streams[i];
1952 os = output_files[ost->file_index].ctx;
1953 ist = &input_streams[ost->source_index];
1955 codec = ost->st->codec;
1956 icodec = ist->st->codec;
1958 ost->st->disposition = ist->st->disposition;
1959 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1960 codec->chroma_sample_location = icodec->chroma_sample_location;
1962 if (ost->st->stream_copy) {
1963 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1965 if (extra_size > INT_MAX) {
1966 return AVERROR(EINVAL);
1969 /* if stream_copy is selected, no need to decode or encode */
1970 codec->codec_id = icodec->codec_id;
1971 codec->codec_type = icodec->codec_type;
1973 if(!codec->codec_tag){
1974 if( !os->oformat->codec_tag
1975 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1976 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1977 codec->codec_tag = icodec->codec_tag;
1980 codec->bit_rate = icodec->bit_rate;
1981 codec->rc_max_rate = icodec->rc_max_rate;
1982 codec->rc_buffer_size = icodec->rc_buffer_size;
1983 codec->extradata= av_mallocz(extra_size);
1984 if (!codec->extradata) {
1985 return AVERROR(ENOMEM);
1987 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1988 codec->extradata_size= icodec->extradata_size;
1990 codec->time_base = ist->st->time_base;
1991 if(!strcmp(os->oformat->name, "avi")) {
1992 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){
1993 codec->time_base = icodec->time_base;
1994 codec->time_base.num *= icodec->ticks_per_frame;
1995 codec->time_base.den *= 2;
1997 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1998 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){
1999 codec->time_base = icodec->time_base;
2000 codec->time_base.num *= icodec->ticks_per_frame;
2003 av_reduce(&codec->time_base.num, &codec->time_base.den,
2004 codec->time_base.num, codec->time_base.den, INT_MAX);
2006 switch(codec->codec_type) {
2007 case AVMEDIA_TYPE_AUDIO:
2008 if(audio_volume != 256) {
2009 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2012 codec->channel_layout = icodec->channel_layout;
2013 codec->sample_rate = icodec->sample_rate;
2014 codec->channels = icodec->channels;
2015 codec->frame_size = icodec->frame_size;
2016 codec->audio_service_type = icodec->audio_service_type;
2017 codec->block_align= icodec->block_align;
2018 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2019 codec->block_align= 0;
2020 if(codec->codec_id == CODEC_ID_AC3)
2021 codec->block_align= 0;
2023 case AVMEDIA_TYPE_VIDEO:
2024 codec->pix_fmt = icodec->pix_fmt;
2025 codec->width = icodec->width;
2026 codec->height = icodec->height;
2027 codec->has_b_frames = icodec->has_b_frames;
2028 if (!codec->sample_aspect_ratio.num) {
2029 codec->sample_aspect_ratio =
2030 ost->st->sample_aspect_ratio =
2031 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2032 ist->st->codec->sample_aspect_ratio.num ?
2033 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2036 case AVMEDIA_TYPE_SUBTITLE:
2037 codec->width = icodec->width;
2038 codec->height = icodec->height;
2040 case AVMEDIA_TYPE_DATA:
2047 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2048 switch(codec->codec_type) {
2049 case AVMEDIA_TYPE_AUDIO:
2050 ost->fifo= av_fifo_alloc(1024);
2052 return AVERROR(ENOMEM);
2054 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2055 if (!codec->sample_rate) {
2056 codec->sample_rate = icodec->sample_rate;
2058 choose_sample_rate(ost->st, ost->enc);
2059 codec->time_base = (AVRational){1, codec->sample_rate};
2060 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2061 codec->sample_fmt = icodec->sample_fmt;
2062 choose_sample_fmt(ost->st, ost->enc);
2063 if (!codec->channels) {
2064 codec->channels = icodec->channels;
2065 codec->channel_layout = icodec->channel_layout;
2067 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2068 codec->channel_layout = 0;
2069 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2070 icodec->request_channels = codec->channels;
2071 ist->decoding_needed = 1;
2072 ost->encoding_needed = 1;
2073 ost->resample_sample_fmt = icodec->sample_fmt;
2074 ost->resample_sample_rate = icodec->sample_rate;
2075 ost->resample_channels = icodec->channels;
2077 case AVMEDIA_TYPE_VIDEO:
2078 if (codec->pix_fmt == PIX_FMT_NONE)
2079 codec->pix_fmt = icodec->pix_fmt;
2080 choose_pixel_fmt(ost->st, ost->enc);
2082 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2083 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2087 if (!codec->width || !codec->height) {
2088 codec->width = icodec->width;
2089 codec->height = icodec->height;
2092 ost->video_resample = codec->width != icodec->width ||
2093 codec->height != icodec->height ||
2094 codec->pix_fmt != icodec->pix_fmt;
2095 if (ost->video_resample) {
2096 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2099 ost->resample_height = icodec->height;
2100 ost->resample_width = icodec->width;
2101 ost->resample_pix_fmt= icodec->pix_fmt;
2102 ost->encoding_needed = 1;
2103 ist->decoding_needed = 1;
2105 if (!ost->frame_rate.num)
2106 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2107 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2108 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2109 ost->frame_rate = ost->enc->supported_framerates[idx];
2111 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2112 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2113 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2114 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2115 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2119 if (configure_video_filters(ist, ost)) {
2120 fprintf(stderr, "Error opening filters!\n");
2125 case AVMEDIA_TYPE_SUBTITLE:
2126 ost->encoding_needed = 1;
2127 ist->decoding_needed = 1;
2134 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2135 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2136 char logfilename[1024];
2139 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2140 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2142 if (codec->flags & CODEC_FLAG_PASS1) {
2143 f = fopen(logfilename, "wb");
2145 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2151 size_t logbuffer_size;
2152 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2153 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2156 codec->stats_in = logbuffer;
2160 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2161 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2162 int size= codec->width * codec->height;
2163 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2168 bit_buffer = av_malloc(bit_buffer_size);
2170 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2172 return AVERROR(ENOMEM);
2175 /* open each encoder */
2176 for (i = 0; i < nb_output_streams; i++) {
2177 ost = &output_streams[i];
2178 if (ost->encoding_needed) {
2179 AVCodec *codec = ost->enc;
2180 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2182 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2183 ost->st->codec->codec_id, ost->file_index, ost->index);
2184 ret = AVERROR(EINVAL);
2187 if (dec->subtitle_header) {
2188 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2189 if (!ost->st->codec->subtitle_header) {
2190 ret = AVERROR(ENOMEM);
2193 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2194 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2196 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2197 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2198 ost->file_index, ost->index);
2199 ret = AVERROR(EINVAL);
2202 assert_codec_experimental(ost->st->codec, 1);
2203 assert_avoptions(ost->opts);
2204 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2205 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2206 "It takes bits/s as argument, not kbits/s\n");
2207 extra_size += ost->st->codec->extradata_size;
2211 /* init input streams */
2212 for (i = 0; i < nb_input_streams; i++)
2213 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2216 /* open files and write file headers */
2217 for (i = 0; i < nb_output_files; i++) {
2218 os = output_files[i].ctx;
2219 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2220 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2221 ret = AVERROR(EINVAL);
2224 // assert_avoptions(output_files[i].opts);
2225 if (strcmp(os->oformat->name, "rtp")) {
2231 /* dump the file output parameters - cannot be done before in case
2233 for(i=0;i<nb_output_files;i++) {
2234 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2237 /* dump the stream mapping */
2239 fprintf(stderr, "Stream mapping:\n");
2240 for (i = 0; i < nb_output_streams;i ++) {
2241 ost = &output_streams[i];
2242 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2243 input_streams[ost->source_index].file_index,
2244 input_streams[ost->source_index].st->index,
2247 if (ost->sync_ist != &input_streams[ost->source_index])
2248 fprintf(stderr, " [sync #%d.%d]",
2249 ost->sync_ist->file_index,
2250 ost->sync_ist->st->index);
2251 if (ost->st->stream_copy)
2252 fprintf(stderr, " (copy)");
2253 fprintf(stderr, "\n");
2258 fprintf(stderr, "%s\n", error);
2263 print_sdp(output_files, nb_output_files);
2270 * The following code is the main loop of the file converter
2272 static int transcode(OutputFile *output_files,
2273 int nb_output_files,
2274 InputFile *input_files,
2278 AVFormatContext *is, *os;
2282 int no_packet_count=0;
2283 int64_t timer_start;
2286 if (!(no_packet = av_mallocz(nb_input_files)))
2289 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2295 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2296 avio_set_interrupt_cb(decode_interrupt_cb);
2300 timer_start = av_gettime();
2302 for(; received_sigterm == 0;) {
2303 int file_index, ist_index;
2309 ipts_min = INT64_MAX;
2311 /* if 'q' pressed, exits */
2315 /* read_key() returns 0 on EOF */
2319 if (key == '+') verbose++;
2320 if (key == '-') verbose--;
2321 if (key == 's') qp_hist ^= 1;
2324 do_hex_dump = do_pkt_dump = 0;
2325 } else if(do_pkt_dump){
2329 av_log_set_level(AV_LOG_DEBUG);
2331 if (key == 'd' || key == 'D'){
2334 debug = input_streams[0].st->codec->debug<<1;
2335 if(!debug) debug = 1;
2336 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2339 scanf("%d", &debug);
2340 for(i=0;i<nb_input_streams;i++) {
2341 input_streams[i].st->codec->debug = debug;
2343 for(i=0;i<nb_output_streams;i++) {
2344 ost = &output_streams[i];
2345 ost->st->codec->debug = debug;
2347 if(debug) av_log_set_level(AV_LOG_DEBUG);
2348 fprintf(stderr,"debug=%d\n", debug);
2351 fprintf(stderr, "key function\n"
2352 "? show this help\n"
2353 "+ increase verbosity\n"
2354 "- decrease verbosity\n"
2355 "D cycle through available debug modes\n"
2356 "h dump packets/hex press to cycle through the 3 states\n"
2358 "s Show QP histogram\n"
2363 /* select the stream that we must read now by looking at the
2364 smallest output pts */
2366 for (i = 0; i < nb_output_streams; i++) {
2370 ost = &output_streams[i];
2371 of = &output_files[ost->file_index];
2372 os = output_files[ost->file_index].ctx;
2373 ist = &input_streams[ost->source_index];
2374 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2375 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2377 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2379 if (!input_files[ist->file_index].eof_reached){
2380 if(ipts < ipts_min) {
2382 if(input_sync ) file_index = ist->file_index;
2384 if(opts < opts_min) {
2386 if(!input_sync) file_index = ist->file_index;
2389 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2394 /* if none, if is finished */
2395 if (file_index < 0) {
2396 if(no_packet_count){
2398 memset(no_packet, 0, nb_input_files);
2405 /* read a frame from it and output it in the fifo */
2406 is = input_files[file_index].ctx;
2407 ret= av_read_frame(is, &pkt);
2408 if(ret == AVERROR(EAGAIN)){
2409 no_packet[file_index]=1;
2414 input_files[file_index].eof_reached = 1;
2422 memset(no_packet, 0, nb_input_files);
2425 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2426 is->streams[pkt.stream_index]);
2428 /* the following test is needed in case new streams appear
2429 dynamically in stream : we ignore them */
2430 if (pkt.stream_index >= input_files[file_index].nb_streams)
2431 goto discard_packet;
2432 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2433 ist = &input_streams[ist_index];
2435 goto discard_packet;
2437 if (pkt.dts != AV_NOPTS_VALUE)
2438 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2439 if (pkt.pts != AV_NOPTS_VALUE)
2440 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2442 if (ist->ts_scale) {
2443 if(pkt.pts != AV_NOPTS_VALUE)
2444 pkt.pts *= ist->ts_scale;
2445 if(pkt.dts != AV_NOPTS_VALUE)
2446 pkt.dts *= ist->ts_scale;
2449 // 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);
2450 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2451 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2452 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2453 int64_t delta= pkt_dts - ist->next_pts;
2454 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2455 input_files[ist->file_index].ts_offset -= delta;
2457 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2458 delta, input_files[ist->file_index].ts_offset);
2459 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2460 if(pkt.pts != AV_NOPTS_VALUE)
2461 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2465 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2466 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2469 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2470 ist->file_index, ist->st->index);
2473 av_free_packet(&pkt);
2478 av_free_packet(&pkt);
2480 /* dump report by using the output first video and audio streams */
2481 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2484 /* at the end of stream, we must flush the decoder buffers */
2485 for (i = 0; i < nb_input_streams; i++) {
2486 ist = &input_streams[i];
2487 if (ist->decoding_needed) {
2488 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2491 flush_encoders(output_streams, nb_output_streams);
2495 /* write the trailer if needed and close file */
2496 for(i=0;i<nb_output_files;i++) {
2497 os = output_files[i].ctx;
2498 av_write_trailer(os);
2501 /* dump report by using the first video and audio streams */
2502 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2504 /* close each encoder */
2505 for (i = 0; i < nb_output_streams; i++) {
2506 ost = &output_streams[i];
2507 if (ost->encoding_needed) {
2508 av_freep(&ost->st->codec->stats_in);
2509 avcodec_close(ost->st->codec);
2512 avfilter_graph_free(&ost->graph);
2516 /* close each decoder */
2517 for (i = 0; i < nb_input_streams; i++) {
2518 ist = &input_streams[i];
2519 if (ist->decoding_needed) {
2520 avcodec_close(ist->st->codec);
2528 av_freep(&bit_buffer);
2529 av_freep(&no_packet);
2531 if (output_streams) {
2532 for (i = 0; i < nb_output_streams; i++) {
2533 ost = &output_streams[i];
2535 if (ost->st->stream_copy)
2536 av_freep(&ost->st->codec->extradata);
2538 fclose(ost->logfile);
2539 ost->logfile = NULL;
2541 av_fifo_free(ost->fifo); /* works even if fifo is not
2542 initialized but set to zero */
2543 av_freep(&ost->st->codec->subtitle_header);
2544 av_free(ost->resample_frame.data[0]);
2545 av_free(ost->forced_kf_pts);
2546 if (ost->video_resample)
2547 sws_freeContext(ost->img_resample_ctx);
2549 audio_resample_close(ost->resample);
2550 if (ost->reformat_ctx)
2551 av_audio_convert_free(ost->reformat_ctx);
2552 av_dict_free(&ost->opts);
2559 static int opt_format(const char *opt, const char *arg)
2561 last_asked_format = arg;
2565 static int opt_video_rc_override_string(const char *opt, const char *arg)
2567 video_rc_override_string = arg;
2571 static int opt_me_threshold(const char *opt, const char *arg)
2573 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2577 static int opt_verbose(const char *opt, const char *arg)
2579 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2583 static int opt_frame_rate(const char *opt, const char *arg)
2585 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2586 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2592 static int opt_frame_crop(const char *opt, const char *arg)
2594 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2595 return AVERROR(EINVAL);
2598 static int opt_frame_size(const char *opt, const char *arg)
2600 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2601 fprintf(stderr, "Incorrect frame size\n");
2602 return AVERROR(EINVAL);
2607 static int opt_pad(const char *opt, const char *arg) {
2608 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2612 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2614 if (strcmp(arg, "list")) {
2615 frame_pix_fmt = av_get_pix_fmt(arg);
2616 if (frame_pix_fmt == PIX_FMT_NONE) {
2617 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2618 return AVERROR(EINVAL);
2621 opt_pix_fmts(NULL, NULL);
2627 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2634 p = strchr(arg, ':');
2636 x = strtol(arg, &end, 10);
2638 y = strtol(end+1, &end, 10);
2640 ar = (double)x / (double)y;
2642 ar = strtod(arg, NULL);
2645 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2646 return AVERROR(EINVAL);
2648 frame_aspect_ratio = ar;
2652 static int opt_metadata(const char *opt, const char *arg)
2654 char *mid= strchr(arg, '=');
2657 fprintf(stderr, "Missing =\n");
2662 av_dict_set(&metadata, arg, mid, 0);
2667 static int opt_qscale(const char *opt, const char *arg)
2669 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2670 if (video_qscale <= 0 || video_qscale > 255) {
2671 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2672 return AVERROR(EINVAL);
2677 static int opt_top_field_first(const char *opt, const char *arg)
2679 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2680 return opt_default(opt, arg);
2683 static int opt_thread_count(const char *opt, const char *arg)
2685 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2688 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2693 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2695 if (strcmp(arg, "list")) {
2696 audio_sample_fmt = av_get_sample_fmt(arg);
2697 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2698 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2699 return AVERROR(EINVAL);
2704 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2705 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2711 static int opt_audio_rate(const char *opt, const char *arg)
2713 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2717 static int opt_audio_channels(const char *opt, const char *arg)
2719 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2723 static int opt_codec(const char *opt, const char *arg)
2725 return av_dict_set(&codec_names, opt, arg, 0);
2728 static int opt_audio_codec(const char *opt, const char *arg)
2730 return opt_codec("codec:a", arg);
2733 static int opt_video_codec(const char *opt, const char *arg)
2735 return opt_codec("codec:v", arg);
2738 static int opt_subtitle_codec(const char *opt, const char *arg)
2740 return opt_codec("codec:s", arg);
2743 static int opt_data_codec(const char *opt, const char *arg)
2745 return opt_codec("codec:d", arg);
2748 static int opt_codec_tag(const char *opt, const char *arg)
2751 uint32_t *codec_tag;
2753 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2754 !strcmp(opt, "vtag") ? &video_codec_tag :
2755 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2759 *codec_tag = strtol(arg, &tail, 0);
2761 *codec_tag = AV_RL32(arg);
2766 static int opt_map(const char *opt, const char *arg)
2768 StreamMap *m = NULL;
2769 int i, negative = 0, file_idx;
2770 int sync_file_idx = -1, sync_stream_idx;
2778 map = av_strdup(arg);
2780 /* parse sync stream first, just pick first matching stream */
2781 if (sync = strchr(map, ',')) {
2783 sync_file_idx = strtol(sync + 1, &sync, 0);
2784 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2785 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2790 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2791 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2792 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2793 sync_stream_idx = i;
2796 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2797 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2798 "match any streams.\n", arg);
2804 file_idx = strtol(map, &p, 0);
2805 if (file_idx >= nb_input_files || file_idx < 0) {
2806 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2810 /* disable some already defined maps */
2811 for (i = 0; i < nb_stream_maps; i++) {
2812 m = &stream_maps[i];
2813 if (check_stream_specifier(input_files[m->file_index].ctx,
2814 input_files[m->file_index].ctx->streams[m->stream_index],
2815 *p == ':' ? p + 1 : p) > 0)
2819 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2820 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2821 *p == ':' ? p + 1 : p) <= 0)
2823 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2824 m = &stream_maps[nb_stream_maps - 1];
2826 m->file_index = file_idx;
2827 m->stream_index = i;
2829 if (sync_file_idx >= 0) {
2830 m->sync_file_index = sync_file_idx;
2831 m->sync_stream_index = sync_stream_idx;
2833 m->sync_file_index = file_idx;
2834 m->sync_stream_index = i;
2839 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2847 static void parse_meta_type(char *arg, char *type, int *index)
2857 if (*(++arg) == ':')
2858 *index = strtol(++arg, NULL, 0);
2861 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2868 static int opt_map_metadata(const char *opt, const char *arg)
2870 MetadataMap *m, *m1;
2873 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2874 &nb_meta_data_maps, nb_meta_data_maps + 1);
2876 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2877 m->file = strtol(arg, &p, 0);
2878 parse_meta_type(p, &m->type, &m->index);
2880 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2881 if (p = strchr(opt, ':'))
2882 parse_meta_type(p, &m1->type, &m1->index);
2886 if (m->type == 'g' || m1->type == 'g')
2887 metadata_global_autocopy = 0;
2888 if (m->type == 's' || m1->type == 's')
2889 metadata_streams_autocopy = 0;
2890 if (m->type == 'c' || m1->type == 'c')
2891 metadata_chapters_autocopy = 0;
2896 static int opt_input_ts_scale(const char *opt, const char *arg)
2898 return av_dict_set(&ts_scale, opt, arg, 0);
2901 static int opt_recording_time(const char *opt, const char *arg)
2903 recording_time = parse_time_or_die(opt, arg, 1);
2907 static int opt_start_time(const char *opt, const char *arg)
2909 start_time = parse_time_or_die(opt, arg, 1);
2913 static int opt_input_ts_offset(const char *opt, const char *arg)
2915 input_ts_offset = parse_time_or_die(opt, arg, 1);
2919 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2921 const char *codec_string = encoder ? "encoder" : "decoder";
2925 return CODEC_ID_NONE;
2927 avcodec_find_encoder_by_name(name) :
2928 avcodec_find_decoder_by_name(name);
2930 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2933 if(codec->type != type) {
2934 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2940 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2942 AVDictionaryEntry *e = NULL;
2943 char *codec_name = NULL;
2946 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2947 char *p = strchr(e->key, ':');
2949 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2950 codec_name = e->value;
2957 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2958 return avcodec_find_encoder(st->codec->codec_id);
2960 } else if (!strcmp(codec_name, "copy"))
2961 st->stream_copy = 1;
2963 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2964 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2965 avcodec_find_decoder_by_name(codec_name);
2972 * Add all the streams from the given input file to the global
2973 * list of input streams.
2975 static void add_input_streams(AVFormatContext *ic)
2977 int i, rfps, rfps_base, ret;
2979 for (i = 0; i < ic->nb_streams; i++) {
2980 AVStream *st = ic->streams[i];
2981 AVCodecContext *dec = st->codec;
2982 AVDictionaryEntry *e = NULL;
2986 dec->thread_count = thread_count;
2988 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2989 ist = &input_streams[nb_input_streams - 1];
2991 ist->file_index = nb_input_files;
2993 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2995 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2996 char *p = strchr(e->key, ':');
2998 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3004 ist->ts_scale = strtod(scale, NULL);
3006 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3008 switch (dec->codec_type) {
3009 case AVMEDIA_TYPE_AUDIO:
3011 ist->dec = avcodec_find_decoder(dec->codec_id);
3013 st->discard= AVDISCARD_ALL;
3015 case AVMEDIA_TYPE_VIDEO:
3017 ist->dec = avcodec_find_decoder(dec->codec_id);
3018 rfps = ic->streams[i]->r_frame_rate.num;
3019 rfps_base = ic->streams[i]->r_frame_rate.den;
3021 dec->flags |= CODEC_FLAG_EMU_EDGE;
3024 dec->debug |= FF_DEBUG_MV;
3026 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3029 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3030 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3032 (float)rfps / rfps_base, rfps, rfps_base);
3036 st->discard= AVDISCARD_ALL;
3037 else if(video_discard)
3038 st->discard= video_discard;
3040 case AVMEDIA_TYPE_DATA:
3042 case AVMEDIA_TYPE_SUBTITLE:
3044 ist->dec = avcodec_find_decoder(dec->codec_id);
3045 if(subtitle_disable)
3046 st->discard = AVDISCARD_ALL;
3048 case AVMEDIA_TYPE_ATTACHMENT:
3049 case AVMEDIA_TYPE_UNKNOWN:
3057 static int opt_input_file(const char *opt, const char *filename)
3059 AVFormatContext *ic;
3060 AVInputFormat *file_iformat = NULL;
3064 AVDictionary **opts;
3065 int orig_nb_streams; // number of streams before avformat_find_stream_info
3067 if (last_asked_format) {
3068 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3069 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3072 last_asked_format = NULL;
3075 if (!strcmp(filename, "-"))
3078 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3079 !strcmp(filename, "/dev/stdin");
3081 /* get default parameters from command line */
3082 ic = avformat_alloc_context();
3084 print_error(filename, AVERROR(ENOMEM));
3087 if (audio_sample_rate) {
3088 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3089 av_dict_set(&format_opts, "sample_rate", buf, 0);
3091 if (audio_channels) {
3092 snprintf(buf, sizeof(buf), "%d", audio_channels);
3093 av_dict_set(&format_opts, "channels", buf, 0);
3095 if (frame_rate.num) {
3096 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3097 av_dict_set(&format_opts, "framerate", buf, 0);
3099 if (frame_width && frame_height) {
3100 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3101 av_dict_set(&format_opts, "video_size", buf, 0);
3103 if (frame_pix_fmt != PIX_FMT_NONE)
3104 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3106 ic->flags |= AVFMT_FLAG_NONBLOCK;
3108 /* open the input file with generic libav function */
3109 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3111 print_error(filename, err);
3114 assert_avoptions(format_opts);
3119 for(i=0; i<ic->nb_streams; i++){
3120 ic->streams[i]->discard= AVDISCARD_ALL;
3122 for(i=0; i<ic->nb_programs; i++){
3123 AVProgram *p= ic->programs[i];
3124 if(p->id != opt_programid){
3125 p->discard = AVDISCARD_ALL;
3128 for(j=0; j<p->nb_stream_indexes; j++){
3129 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3134 fprintf(stderr, "Specified program id not found\n");
3140 /* apply forced codec ids */
3141 for (i = 0; i < ic->nb_streams; i++)
3142 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3144 /* Set AVCodecContext options for avformat_find_stream_info */
3145 opts = setup_find_stream_info_opts(ic, codec_opts);
3146 orig_nb_streams = ic->nb_streams;
3148 /* If not enough info to get the stream parameters, we decode the
3149 first frames to get it. (used in mpeg case for example) */
3150 ret = avformat_find_stream_info(ic, opts);
3151 if (ret < 0 && verbose >= 0) {
3152 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3153 av_close_input_file(ic);
3157 timestamp = start_time;
3158 /* add the stream start time */
3159 if (ic->start_time != AV_NOPTS_VALUE)
3160 timestamp += ic->start_time;
3162 /* if seeking requested, we execute it */
3163 if (start_time != 0) {
3164 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3166 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3167 filename, (double)timestamp / AV_TIME_BASE);
3169 /* reset seek info */
3173 /* update the current parameters so that they match the one of the input stream */
3174 add_input_streams(ic);
3176 /* dump the file content */
3178 av_dump_format(ic, nb_input_files, filename, 0);
3180 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3181 input_files[nb_input_files - 1].ctx = ic;
3182 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3183 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3184 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3186 top_field_first = -1;
3187 frame_rate = (AVRational){0, 0};
3188 frame_pix_fmt = PIX_FMT_NONE;
3191 audio_sample_rate = 0;
3193 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3194 av_dict_free(&ts_scale);
3195 input_ts_offset = 0;
3197 for (i = 0; i < orig_nb_streams; i++)
3198 av_dict_free(&opts[i]);
3200 av_dict_free(&codec_names);
3206 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3207 AVCodecContext *avctx)
3213 for (p = kf; *p; p++)
3216 ost->forced_kf_count = n;
3217 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3218 if (!ost->forced_kf_pts) {
3219 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3222 for (i = 0; i < n; i++) {
3223 p = i ? strchr(p, ',') + 1 : kf;
3224 t = parse_time_or_die("force_key_frames", p, 1);
3225 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3229 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3232 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3233 int idx = oc->nb_streams - 1;
3236 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3240 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3241 nb_output_streams + 1);
3242 ost = &output_streams[nb_output_streams - 1];
3243 ost->file_index = nb_output_files;
3246 st->codec->codec_type = type;
3247 ost->enc = choose_codec(oc, st, type, codec_names);
3249 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3252 avcodec_get_context_defaults3(st->codec, ost->enc);
3253 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3255 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3259 static OutputStream *new_video_stream(AVFormatContext *oc)
3263 AVCodecContext *video_enc;
3265 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3267 if (!st->stream_copy) {
3268 ost->frame_aspect_ratio = frame_aspect_ratio;
3269 frame_aspect_ratio = 0;
3271 ost->avfilter = vfilters;
3276 ost->bitstream_filters = video_bitstream_filters;
3277 video_bitstream_filters= NULL;
3279 st->codec->thread_count= thread_count;
3281 video_enc = st->codec;
3284 video_enc->codec_tag= video_codec_tag;
3286 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3287 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3290 if (st->stream_copy) {
3291 video_enc->sample_aspect_ratio =
3292 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3298 ost->frame_rate = frame_rate;
3300 video_enc->width = frame_width;
3301 video_enc->height = frame_height;
3302 video_enc->pix_fmt = frame_pix_fmt;
3303 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3304 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3306 if (video_qscale || same_quant) {
3307 video_enc->flags |= CODEC_FLAG_QSCALE;
3308 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3312 video_enc->intra_matrix = intra_matrix;
3314 video_enc->inter_matrix = inter_matrix;
3316 p= video_rc_override_string;
3319 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3321 fprintf(stderr, "error parsing rc_override\n");
3324 video_enc->rc_override=
3325 av_realloc(video_enc->rc_override,
3326 sizeof(RcOverride)*(i+1));
3327 video_enc->rc_override[i].start_frame= start;
3328 video_enc->rc_override[i].end_frame = end;
3330 video_enc->rc_override[i].qscale= q;
3331 video_enc->rc_override[i].quality_factor= 1.0;
3334 video_enc->rc_override[i].qscale= 0;
3335 video_enc->rc_override[i].quality_factor= -q/100.0;
3340 video_enc->rc_override_count=i;
3341 if (!video_enc->rc_initial_buffer_occupancy)
3342 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3343 video_enc->me_threshold= me_threshold;
3344 video_enc->intra_dc_precision= intra_dc_precision - 8;
3347 video_enc->flags|= CODEC_FLAG_PSNR;
3352 video_enc->flags |= CODEC_FLAG_PASS1;
3354 video_enc->flags |= CODEC_FLAG_PASS2;
3358 if (forced_key_frames)
3359 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3361 if (video_language) {
3362 av_dict_set(&st->metadata, "language", video_language, 0);
3363 av_freep(&video_language);
3366 /* reset some key parameters */
3368 av_freep(&forced_key_frames);
3369 frame_pix_fmt = PIX_FMT_NONE;
3373 static OutputStream *new_audio_stream(AVFormatContext *oc)
3377 AVCodecContext *audio_enc;
3379 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3382 ost->bitstream_filters = audio_bitstream_filters;
3383 audio_bitstream_filters= NULL;
3385 st->codec->thread_count= thread_count;
3387 audio_enc = st->codec;
3388 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3391 audio_enc->codec_tag= audio_codec_tag;
3393 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3394 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3396 if (!st->stream_copy) {
3397 if (audio_qscale > QSCALE_NONE) {
3398 audio_enc->flags |= CODEC_FLAG_QSCALE;
3399 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3402 audio_enc->channels = audio_channels;
3403 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3404 audio_enc->sample_fmt = audio_sample_fmt;
3405 if (audio_sample_rate)
3406 audio_enc->sample_rate = audio_sample_rate;
3408 if (audio_language) {
3409 av_dict_set(&st->metadata, "language", audio_language, 0);
3410 av_freep(&audio_language);
3413 /* reset some key parameters */
3419 static OutputStream *new_data_stream(AVFormatContext *oc)
3423 AVCodecContext *data_enc;
3425 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3427 data_enc = st->codec;
3428 if (!st->stream_copy) {
3429 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3434 data_enc->codec_tag= data_codec_tag;
3436 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3437 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3444 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3448 AVCodecContext *subtitle_enc;
3450 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3452 subtitle_enc = st->codec;
3454 ost->bitstream_filters = subtitle_bitstream_filters;
3455 subtitle_bitstream_filters= NULL;
3457 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3459 if(subtitle_codec_tag)
3460 subtitle_enc->codec_tag= subtitle_codec_tag;
3462 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3463 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3466 if (subtitle_language) {
3467 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3468 av_freep(&subtitle_language);
3471 subtitle_disable = 0;
3475 /* arg format is "output-stream-index:streamid-value". */
3476 static int opt_streamid(const char *opt, const char *arg)
3482 av_strlcpy(idx_str, arg, sizeof(idx_str));
3483 p = strchr(idx_str, ':');
3486 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3491 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3492 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3493 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3497 static int copy_chapters(int infile, int outfile)
3499 AVFormatContext *is = input_files[infile].ctx;
3500 AVFormatContext *os = output_files[outfile].ctx;
3503 for (i = 0; i < is->nb_chapters; i++) {
3504 AVChapter *in_ch = is->chapters[i], *out_ch;
3505 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3506 AV_TIME_BASE_Q, in_ch->time_base);
3507 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3508 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3511 if (in_ch->end < ts_off)
3513 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3516 out_ch = av_mallocz(sizeof(AVChapter));
3518 return AVERROR(ENOMEM);
3520 out_ch->id = in_ch->id;
3521 out_ch->time_base = in_ch->time_base;
3522 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3523 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3525 if (metadata_chapters_autocopy)
3526 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3529 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3531 return AVERROR(ENOMEM);
3532 os->chapters[os->nb_chapters - 1] = out_ch;
3537 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3540 AVFormatContext *ic = NULL;
3542 err = avformat_open_input(&ic, filename, NULL, NULL);
3545 /* copy stream format */
3546 for(i=0;i<ic->nb_streams;i++) {
3551 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3552 ost = new_output_stream(s, codec->type);
3555 // FIXME: a more elegant solution is needed
3556 memcpy(st, ic->streams[i], sizeof(AVStream));
3557 st->info = av_malloc(sizeof(*st->info));
3558 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3559 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3561 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3562 choose_sample_fmt(st, codec);
3563 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3564 choose_pixel_fmt(st, codec);
3567 av_close_input_file(ic);
3571 static int opt_output_file(const char *opt, const char *filename)
3573 AVFormatContext *oc;
3575 AVOutputFormat *file_oformat;
3579 if (!strcmp(filename, "-"))
3582 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3583 last_asked_format = NULL;
3585 print_error(filename, err);
3589 file_oformat= oc->oformat;
3591 if (!strcmp(file_oformat->name, "ffm") &&
3592 av_strstart(filename, "http:", NULL)) {
3593 /* special case for files sent to ffserver: we get the stream
3594 parameters from ffserver */
3595 int err = read_ffserver_streams(oc, filename);
3597 print_error(filename, err);
3600 } else if (!nb_stream_maps) {
3601 /* pick the "best" stream of each type */
3602 #define NEW_STREAM(type, index)\
3604 ost = new_ ## type ## _stream(oc);\
3605 ost->source_index = index;\
3606 ost->sync_ist = &input_streams[index];\
3607 input_streams[index].discard = 0;\
3610 /* video: highest resolution */
3611 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3612 int area = 0, idx = -1;
3613 for (i = 0; i < nb_input_streams; i++) {
3614 ist = &input_streams[i];
3615 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3616 ist->st->codec->width * ist->st->codec->height > area) {
3617 area = ist->st->codec->width * ist->st->codec->height;
3621 NEW_STREAM(video, idx);
3624 /* audio: most channels */
3625 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3626 int channels = 0, idx = -1;
3627 for (i = 0; i < nb_input_streams; i++) {
3628 ist = &input_streams[i];
3629 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3630 ist->st->codec->channels > channels) {
3631 channels = ist->st->codec->channels;
3635 NEW_STREAM(audio, idx);
3638 /* subtitles: pick first */
3639 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3640 for (i = 0; i < nb_input_streams; i++)
3641 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3642 NEW_STREAM(subtitle, i);
3646 /* do something with data? */
3648 for (i = 0; i < nb_stream_maps; i++) {
3649 StreamMap *map = &stream_maps[i];
3654 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3655 switch (ist->st->codec->codec_type) {
3656 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3657 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3658 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3659 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3661 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3662 map->file_index, map->stream_index);
3666 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3667 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3668 map->sync_stream_index];
3673 av_dict_copy(&oc->metadata, metadata, 0);
3674 av_dict_free(&metadata);
3677 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3678 output_files[nb_output_files - 1].ctx = oc;
3679 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3680 output_files[nb_output_files - 1].recording_time = recording_time;
3681 output_files[nb_output_files - 1].start_time = start_time;
3682 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3683 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3685 /* check filename in case of an image number is expected */
3686 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3687 if (!av_filename_number_test(oc->filename)) {
3688 print_error(oc->filename, AVERROR(EINVAL));
3693 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3694 /* test if it already exists to avoid loosing precious files */
3695 if (!file_overwrite &&
3696 (strchr(filename, ':') == NULL ||
3697 filename[1] == ':' ||
3698 av_strstart(filename, "file:", NULL))) {
3699 if (avio_check(filename, 0) == 0) {
3701 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3703 if (!read_yesno()) {
3704 fprintf(stderr, "Not overwriting - exiting\n");
3709 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3716 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3717 print_error(filename, err);
3722 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3723 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3726 if (chapters_input_file >= nb_input_files) {
3727 if (chapters_input_file == INT_MAX) {
3728 /* copy chapters from the first input file that has them*/
3729 chapters_input_file = -1;
3730 for (i = 0; i < nb_input_files; i++)
3731 if (input_files[i].ctx->nb_chapters) {
3732 chapters_input_file = i;
3736 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3737 chapters_input_file);
3741 if (chapters_input_file >= 0)
3742 copy_chapters(chapters_input_file, nb_output_files - 1);
3745 for (i = 0; i < nb_meta_data_maps; i++) {
3746 AVFormatContext *files[2];
3747 AVDictionary **meta[2];
3750 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3751 if ((index) < 0 || (index) >= (nb_elems)) {\
3752 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3757 int in_file_index = meta_data_maps[i][1].file;
3758 if (in_file_index < 0)
3760 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3763 files[1] = input_files[in_file_index].ctx;
3765 for (j = 0; j < 2; j++) {
3766 MetadataMap *map = &meta_data_maps[i][j];
3768 switch (map->type) {
3770 meta[j] = &files[j]->metadata;
3773 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3774 meta[j] = &files[j]->streams[map->index]->metadata;
3777 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3778 meta[j] = &files[j]->chapters[map->index]->metadata;
3781 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3782 meta[j] = &files[j]->programs[map->index]->metadata;
3787 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3790 /* copy global metadata by default */
3791 if (metadata_global_autocopy && nb_input_files)
3792 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3793 AV_DICT_DONT_OVERWRITE);
3794 if (metadata_streams_autocopy)
3795 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3796 InputStream *ist = &input_streams[output_streams[i].source_index];
3797 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3800 frame_rate = (AVRational){0, 0};
3803 audio_sample_rate = 0;
3805 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3806 chapters_input_file = INT_MAX;
3807 recording_time = INT64_MAX;
3809 limit_filesize = UINT64_MAX;
3811 av_freep(&meta_data_maps);
3812 nb_meta_data_maps = 0;
3813 metadata_global_autocopy = 1;
3814 metadata_streams_autocopy = 1;
3815 metadata_chapters_autocopy = 1;
3816 av_freep(&stream_maps);
3818 av_freep(&streamid_map);
3819 nb_streamid_map = 0;
3821 av_dict_free(&codec_names);
3823 av_freep(&forced_key_frames);
3829 /* same option as mencoder */
3830 static int opt_pass(const char *opt, const char *arg)
3832 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3836 static int64_t getutime(void)
3839 struct rusage rusage;
3841 getrusage(RUSAGE_SELF, &rusage);
3842 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3843 #elif HAVE_GETPROCESSTIMES
3845 FILETIME c, e, k, u;
3846 proc = GetCurrentProcess();
3847 GetProcessTimes(proc, &c, &e, &k, &u);
3848 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3850 return av_gettime();
3854 static int64_t getmaxrss(void)
3856 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3857 struct rusage rusage;
3858 getrusage(RUSAGE_SELF, &rusage);
3859 return (int64_t)rusage.ru_maxrss * 1024;
3860 #elif HAVE_GETPROCESSMEMORYINFO
3862 PROCESS_MEMORY_COUNTERS memcounters;
3863 proc = GetCurrentProcess();
3864 memcounters.cb = sizeof(memcounters);
3865 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3866 return memcounters.PeakPagefileUsage;
3872 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3875 const char *p = str;
3882 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3889 static int opt_inter_matrix(const char *opt, const char *arg)
3891 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3892 parse_matrix_coeffs(inter_matrix, arg);
3896 static int opt_intra_matrix(const char *opt, const char *arg)
3898 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3899 parse_matrix_coeffs(intra_matrix, arg);
3903 static void show_usage(void)
3905 printf("Hyper fast Audio and Video encoder\n");
3906 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3910 static int opt_help(const char *opt, const char *arg)
3913 AVOutputFormat *oformat = NULL;
3914 AVInputFormat *iformat = NULL;
3916 av_log_set_callback(log_callback_help);
3918 show_help_options(options, "Main options:\n",
3919 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3920 show_help_options(options, "\nAdvanced options:\n",
3921 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3923 show_help_options(options, "\nVideo options:\n",
3924 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3926 show_help_options(options, "\nAdvanced Video options:\n",
3927 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3928 OPT_VIDEO | OPT_EXPERT);
3929 show_help_options(options, "\nAudio options:\n",
3930 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3932 show_help_options(options, "\nAdvanced Audio options:\n",
3933 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3934 OPT_AUDIO | OPT_EXPERT);
3935 show_help_options(options, "\nSubtitle options:\n",
3936 OPT_SUBTITLE | OPT_GRAB,
3938 show_help_options(options, "\nAudio/Video grab options:\n",
3942 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3945 /* individual codec options */
3947 while ((c = av_codec_next(c))) {
3948 if (c->priv_class) {
3949 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3954 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3957 /* individual muxer options */
3958 while ((oformat = av_oformat_next(oformat))) {
3959 if (oformat->priv_class) {
3960 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3965 /* individual demuxer options */
3966 while ((iformat = av_iformat_next(iformat))) {
3967 if (iformat->priv_class) {
3968 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3973 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3977 static int opt_target(const char *opt, const char *arg)
3979 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3980 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3982 if(!strncmp(arg, "pal-", 4)) {
3985 } else if(!strncmp(arg, "ntsc-", 5)) {
3988 } else if(!strncmp(arg, "film-", 5)) {
3993 /* Calculate FR via float to avoid int overflow */
3994 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3997 } else if((fr == 29970) || (fr == 23976)) {
4000 /* Try to determine PAL/NTSC by peeking in the input files */
4001 if(nb_input_files) {
4003 for (j = 0; j < nb_input_files; j++) {
4004 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4005 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4006 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4008 fr = c->time_base.den * 1000 / c->time_base.num;
4012 } else if((fr == 29970) || (fr == 23976)) {
4022 if(verbose > 0 && norm != UNKNOWN)
4023 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4026 if(norm == UNKNOWN) {
4027 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4028 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4029 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4033 if(!strcmp(arg, "vcd")) {
4034 opt_codec("c:v", "mpeg1video");
4035 opt_codec("c:a", "mp2");
4036 opt_format("f", "vcd");
4038 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4039 opt_frame_rate("r", frame_rates[norm]);
4040 opt_default("g", norm == PAL ? "15" : "18");
4042 opt_default("b", "1150000");
4043 opt_default("maxrate", "1150000");
4044 opt_default("minrate", "1150000");
4045 opt_default("bufsize", "327680"); // 40*1024*8;
4047 opt_default("b:a", "224000");
4048 audio_sample_rate = 44100;
4051 opt_default("packetsize", "2324");
4052 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4054 /* We have to offset the PTS, so that it is consistent with the SCR.
4055 SCR starts at 36000, but the first two packs contain only padding
4056 and the first pack from the other stream, respectively, may also have
4057 been written before.
4058 So the real data starts at SCR 36000+3*1200. */
4059 mux_preload= (36000+3*1200) / 90000.0; //0.44
4060 } else if(!strcmp(arg, "svcd")) {
4062 opt_codec("c:v", "mpeg2video");
4063 opt_codec("c:a", "mp2");
4064 opt_format("f", "svcd");
4066 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4067 opt_frame_rate("r", frame_rates[norm]);
4068 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4069 opt_default("g", norm == PAL ? "15" : "18");
4071 opt_default("b", "2040000");
4072 opt_default("maxrate", "2516000");
4073 opt_default("minrate", "0"); //1145000;
4074 opt_default("bufsize", "1835008"); //224*1024*8;
4075 opt_default("flags", "+scan_offset");
4078 opt_default("b:a", "224000");
4079 audio_sample_rate = 44100;
4081 opt_default("packetsize", "2324");
4083 } else if(!strcmp(arg, "dvd")) {
4085 opt_codec("c:v", "mpeg2video");
4086 opt_codec("c:a", "ac3");
4087 opt_format("f", "dvd");
4089 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4090 opt_frame_rate("r", frame_rates[norm]);
4091 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4092 opt_default("g", norm == PAL ? "15" : "18");
4094 opt_default("b", "6000000");
4095 opt_default("maxrate", "9000000");
4096 opt_default("minrate", "0"); //1500000;
4097 opt_default("bufsize", "1835008"); //224*1024*8;
4099 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4100 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4102 opt_default("b:a", "448000");
4103 audio_sample_rate = 48000;
4105 } else if(!strncmp(arg, "dv", 2)) {
4107 opt_format("f", "dv");
4109 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4110 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4111 norm == PAL ? "yuv420p" : "yuv411p");
4112 opt_frame_rate("r", frame_rates[norm]);
4114 audio_sample_rate = 48000;
4118 fprintf(stderr, "Unknown target: %s\n", arg);
4119 return AVERROR(EINVAL);
4124 static int opt_vstats_file(const char *opt, const char *arg)
4126 av_free (vstats_filename);
4127 vstats_filename=av_strdup (arg);
4131 static int opt_vstats(const char *opt, const char *arg)
4134 time_t today2 = time(NULL);
4135 struct tm *today = localtime(&today2);
4137 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4139 return opt_vstats_file(opt, filename);
4142 static int opt_bsf(const char *opt, const char *arg)
4144 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4145 AVBitStreamFilterContext **bsfp;
4148 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4152 bsfp= *opt == 'v' ? &video_bitstream_filters :
4153 *opt == 'a' ? &audio_bitstream_filters :
4154 &subtitle_bitstream_filters;
4156 bsfp= &(*bsfp)->next;
4163 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4167 static int opt_passlogfile(const char *opt, const char *arg)
4169 pass_logfilename_prefix = arg;
4170 #if CONFIG_LIBX264_ENCODER
4171 return opt_default("passlogfile", arg);
4177 static const OptionDef options[] = {
4179 #include "cmdutils_common_opts.h"
4180 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4181 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4182 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4183 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4184 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4185 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4186 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4187 "outfile[,metadata]:infile[,metadata]" },
4188 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4189 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4190 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4191 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4192 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4193 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4194 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4195 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4196 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4197 "add timings for benchmarking" },
4198 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4199 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4200 "dump each input packet" },
4201 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4202 "when dumping packets, also dump the payload" },
4203 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4204 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4205 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4206 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4207 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4208 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4209 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4210 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4211 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4212 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4213 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4214 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4215 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4216 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4219 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4220 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4221 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4222 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4223 { "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" },
4224 { "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" },
4225 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4226 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4227 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4228 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4229 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4230 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4231 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4232 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4233 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4234 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4235 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4236 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4237 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4238 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4239 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4240 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4241 "use same quantizer as source (implies VBR)" },
4242 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4243 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4244 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4245 "deinterlace pictures" },
4246 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4247 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4248 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4250 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4252 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4253 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4254 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4255 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4256 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4257 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4258 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4259 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4260 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4261 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4264 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4265 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4266 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4267 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4268 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4269 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4270 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4271 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4272 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4273 { "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" },
4275 /* subtitle options */
4276 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4277 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4278 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4279 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4282 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4285 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4286 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4288 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4289 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4290 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4292 /* data codec support */
4293 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4295 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4299 int main(int argc, char **argv)
4303 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4305 if(argc>1 && !strcmp(argv[1], "-d")){
4308 av_log_set_callback(log_callback_null);
4313 avcodec_register_all();
4315 avdevice_register_all();
4318 avfilter_register_all();
4323 if(isatty(STDIN_FILENO))
4324 avio_set_interrupt_cb(decode_interrupt_cb);
4333 parse_options(argc, argv, options, opt_output_file);
4335 if(nb_output_files <= 0 && nb_input_files == 0) {
4337 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4341 /* file converter / grab */
4342 if (nb_output_files <= 0) {
4343 fprintf(stderr, "At least one output file must be specified\n");
4347 if (nb_input_files == 0) {
4348 fprintf(stderr, "At least one input file must be specified\n");
4353 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4355 ti = getutime() - ti;
4357 int maxrss = getmaxrss() / 1024;
4358 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4361 return exit_program(0);