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;
1693 // preprocess audio (volume)
1694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1695 if (audio_volume != 256) {
1698 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1699 int v = ((*volp) * audio_volume + 128) >> 8;
1700 *volp++ = av_clip_int16(v);
1705 /* frame rate emulation */
1707 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1708 int64_t now = av_gettime() - ist->start;
1712 /* if output time reached then transcode raw format,
1713 encode packets and output them */
1714 for (i = 0; i < nb_ostreams; i++) {
1715 OutputFile *of = &output_files[ost_table[i].file_index];
1718 ost = &ost_table[i];
1719 if (ost->source_index != ist_index)
1722 if (of->start_time && ist->pts < of->start_time)
1725 if (of->recording_time != INT64_MAX &&
1726 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1727 (AVRational){1, 1000000}) >= 0) {
1728 ost->is_past_recording_time = 1;
1733 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1734 ost->input_video_filter) {
1735 if (!picture.sample_aspect_ratio.num)
1736 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1737 picture.pts = ist->pts;
1739 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1741 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1742 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1743 while (frame_available) {
1744 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1745 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1746 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1749 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1750 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1754 os = output_files[ost->file_index].ctx;
1756 /* set the input output pts pairs */
1757 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1759 if (ost->encoding_needed) {
1760 av_assert0(ist->decoding_needed);
1761 switch(ost->st->codec->codec_type) {
1762 case AVMEDIA_TYPE_AUDIO:
1763 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1765 case AVMEDIA_TYPE_VIDEO:
1767 if (ost->picref->video && !ost->frame_aspect_ratio)
1768 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1770 do_video_out(os, ost, ist, &picture, &frame_size,
1771 same_quant ? quality : ost->st->codec->global_quality);
1772 if (vstats_filename && frame_size)
1773 do_video_stats(os, ost, frame_size);
1775 case AVMEDIA_TYPE_SUBTITLE:
1776 do_subtitle_out(os, ost, ist, &subtitle,
1783 AVFrame avframe; //FIXME/XXX remove this
1786 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1787 av_init_packet(&opkt);
1789 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1790 #if !CONFIG_AVFILTER
1796 /* no reencoding needed : output the packet directly */
1797 /* force the input stream PTS */
1799 avcodec_get_frame_defaults(&avframe);
1800 ost->st->codec->coded_frame= &avframe;
1801 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1803 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1804 audio_size += data_size;
1805 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1806 video_size += data_size;
1810 opkt.stream_index= ost->index;
1811 if(pkt->pts != AV_NOPTS_VALUE)
1812 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1814 opkt.pts= AV_NOPTS_VALUE;
1816 if (pkt->dts == AV_NOPTS_VALUE)
1817 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1819 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1820 opkt.dts -= ost_tb_start_time;
1822 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1823 opkt.flags= pkt->flags;
1825 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1826 if( ost->st->codec->codec_id != CODEC_ID_H264
1827 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1828 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1830 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1831 opkt.destruct= av_destruct_packet;
1833 opkt.data = data_buf;
1834 opkt.size = data_size;
1837 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1838 /* store AVPicture in AVPacket, as expected by the output format */
1839 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1840 opkt.data = (uint8_t *)&pict;
1841 opkt.size = sizeof(AVPicture);
1842 opkt.flags |= AV_PKT_FLAG_KEY;
1844 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1845 ost->st->codec->frame_number++;
1846 ost->frame_number++;
1847 av_free_packet(&opkt);
1851 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1852 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1854 avfilter_unref_buffer(ost->picref);
1859 av_free(buffer_to_free);
1860 /* XXX: allocate the subtitles in the codec ? */
1861 if (subtitle_to_free) {
1862 avsubtitle_free(subtitle_to_free);
1863 subtitle_to_free = NULL;
1871 static void print_sdp(OutputFile *output_files, int n)
1875 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1879 for (i = 0; i < n; i++)
1880 avc[i] = output_files[i].ctx;
1882 av_sdp_create(avc, n, sdp, sizeof(sdp));
1883 printf("SDP:\n%s\n", sdp);
1888 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1889 char *error, int error_len)
1892 InputStream *ist = &input_streams[ist_index];
1893 if (ist->decoding_needed) {
1894 AVCodec *codec = ist->dec;
1896 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1897 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1898 return AVERROR(EINVAL);
1901 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1902 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1903 ist->file_index, ist->st->index);
1904 return AVERROR(EINVAL);
1906 assert_codec_experimental(ist->st->codec, 0);
1907 assert_avoptions(ist->opts);
1910 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;
1911 ist->next_pts = AV_NOPTS_VALUE;
1917 static int transcode_init(OutputFile *output_files,
1918 int nb_output_files,
1919 InputFile *input_files,
1923 AVFormatContext *os;
1924 AVCodecContext *codec, *icodec;
1931 for (i = 0; i < nb_input_streams; i++)
1932 input_streams[i].start = av_gettime();
1934 /* output stream init */
1935 for(i=0;i<nb_output_files;i++) {
1936 os = output_files[i].ctx;
1937 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1938 av_dump_format(os, i, os->filename, 1);
1939 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1940 return AVERROR(EINVAL);
1944 /* for each output stream, we compute the right encoding parameters */
1945 for (i = 0; i < nb_output_streams; i++) {
1946 ost = &output_streams[i];
1947 os = output_files[ost->file_index].ctx;
1948 ist = &input_streams[ost->source_index];
1950 codec = ost->st->codec;
1951 icodec = ist->st->codec;
1953 ost->st->disposition = ist->st->disposition;
1954 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1955 codec->chroma_sample_location = icodec->chroma_sample_location;
1957 if (ost->st->stream_copy) {
1958 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1960 if (extra_size > INT_MAX) {
1961 return AVERROR(EINVAL);
1964 /* if stream_copy is selected, no need to decode or encode */
1965 codec->codec_id = icodec->codec_id;
1966 codec->codec_type = icodec->codec_type;
1968 if(!codec->codec_tag){
1969 if( !os->oformat->codec_tag
1970 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1971 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1972 codec->codec_tag = icodec->codec_tag;
1975 codec->bit_rate = icodec->bit_rate;
1976 codec->rc_max_rate = icodec->rc_max_rate;
1977 codec->rc_buffer_size = icodec->rc_buffer_size;
1978 codec->extradata= av_mallocz(extra_size);
1979 if (!codec->extradata) {
1980 return AVERROR(ENOMEM);
1982 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1983 codec->extradata_size= icodec->extradata_size;
1985 codec->time_base = ist->st->time_base;
1986 if(!strcmp(os->oformat->name, "avi")) {
1987 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){
1988 codec->time_base = icodec->time_base;
1989 codec->time_base.num *= icodec->ticks_per_frame;
1990 codec->time_base.den *= 2;
1992 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1993 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){
1994 codec->time_base = icodec->time_base;
1995 codec->time_base.num *= icodec->ticks_per_frame;
1998 av_reduce(&codec->time_base.num, &codec->time_base.den,
1999 codec->time_base.num, codec->time_base.den, INT_MAX);
2001 switch(codec->codec_type) {
2002 case AVMEDIA_TYPE_AUDIO:
2003 if(audio_volume != 256) {
2004 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2007 codec->channel_layout = icodec->channel_layout;
2008 codec->sample_rate = icodec->sample_rate;
2009 codec->channels = icodec->channels;
2010 codec->frame_size = icodec->frame_size;
2011 codec->audio_service_type = icodec->audio_service_type;
2012 codec->block_align= icodec->block_align;
2013 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2014 codec->block_align= 0;
2015 if(codec->codec_id == CODEC_ID_AC3)
2016 codec->block_align= 0;
2018 case AVMEDIA_TYPE_VIDEO:
2019 codec->pix_fmt = icodec->pix_fmt;
2020 codec->width = icodec->width;
2021 codec->height = icodec->height;
2022 codec->has_b_frames = icodec->has_b_frames;
2023 if (!codec->sample_aspect_ratio.num) {
2024 codec->sample_aspect_ratio =
2025 ost->st->sample_aspect_ratio =
2026 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2027 ist->st->codec->sample_aspect_ratio.num ?
2028 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2031 case AVMEDIA_TYPE_SUBTITLE:
2032 codec->width = icodec->width;
2033 codec->height = icodec->height;
2035 case AVMEDIA_TYPE_DATA:
2042 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2043 switch(codec->codec_type) {
2044 case AVMEDIA_TYPE_AUDIO:
2045 ost->fifo= av_fifo_alloc(1024);
2047 return AVERROR(ENOMEM);
2049 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2050 if (!codec->sample_rate) {
2051 codec->sample_rate = icodec->sample_rate;
2053 choose_sample_rate(ost->st, ost->enc);
2054 codec->time_base = (AVRational){1, codec->sample_rate};
2055 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2056 codec->sample_fmt = icodec->sample_fmt;
2057 choose_sample_fmt(ost->st, ost->enc);
2058 if (!codec->channels) {
2059 codec->channels = icodec->channels;
2060 codec->channel_layout = icodec->channel_layout;
2062 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2063 codec->channel_layout = 0;
2064 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2065 icodec->request_channels = codec->channels;
2066 ist->decoding_needed = 1;
2067 ost->encoding_needed = 1;
2068 ost->resample_sample_fmt = icodec->sample_fmt;
2069 ost->resample_sample_rate = icodec->sample_rate;
2070 ost->resample_channels = icodec->channels;
2072 case AVMEDIA_TYPE_VIDEO:
2073 if (codec->pix_fmt == PIX_FMT_NONE)
2074 codec->pix_fmt = icodec->pix_fmt;
2075 choose_pixel_fmt(ost->st, ost->enc);
2077 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2078 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2082 if (!codec->width || !codec->height) {
2083 codec->width = icodec->width;
2084 codec->height = icodec->height;
2087 ost->video_resample = codec->width != icodec->width ||
2088 codec->height != icodec->height ||
2089 codec->pix_fmt != icodec->pix_fmt;
2090 if (ost->video_resample) {
2091 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2094 ost->resample_height = icodec->height;
2095 ost->resample_width = icodec->width;
2096 ost->resample_pix_fmt= icodec->pix_fmt;
2097 ost->encoding_needed = 1;
2098 ist->decoding_needed = 1;
2100 if (!ost->frame_rate.num)
2101 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2102 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2103 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2104 ost->frame_rate = ost->enc->supported_framerates[idx];
2106 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2107 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2108 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2109 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2110 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2114 if (configure_video_filters(ist, ost)) {
2115 fprintf(stderr, "Error opening filters!\n");
2120 case AVMEDIA_TYPE_SUBTITLE:
2121 ost->encoding_needed = 1;
2122 ist->decoding_needed = 1;
2129 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2130 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2131 char logfilename[1024];
2134 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2135 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2137 if (codec->flags & CODEC_FLAG_PASS1) {
2138 f = fopen(logfilename, "wb");
2140 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2146 size_t logbuffer_size;
2147 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2148 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2151 codec->stats_in = logbuffer;
2155 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2156 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2157 int size= codec->width * codec->height;
2158 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2163 bit_buffer = av_malloc(bit_buffer_size);
2165 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2167 return AVERROR(ENOMEM);
2170 /* open each encoder */
2171 for (i = 0; i < nb_output_streams; i++) {
2172 ost = &output_streams[i];
2173 if (ost->encoding_needed) {
2174 AVCodec *codec = ost->enc;
2175 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2177 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2178 ost->st->codec->codec_id, ost->file_index, ost->index);
2179 ret = AVERROR(EINVAL);
2182 if (dec->subtitle_header) {
2183 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2184 if (!ost->st->codec->subtitle_header) {
2185 ret = AVERROR(ENOMEM);
2188 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2189 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2191 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2192 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2193 ost->file_index, ost->index);
2194 ret = AVERROR(EINVAL);
2197 assert_codec_experimental(ost->st->codec, 1);
2198 assert_avoptions(ost->opts);
2199 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2200 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2201 "It takes bits/s as argument, not kbits/s\n");
2202 extra_size += ost->st->codec->extradata_size;
2206 /* init input streams */
2207 for (i = 0; i < nb_input_streams; i++)
2208 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2211 /* open files and write file headers */
2212 for (i = 0; i < nb_output_files; i++) {
2213 os = output_files[i].ctx;
2214 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2215 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2216 ret = AVERROR(EINVAL);
2219 // assert_avoptions(output_files[i].opts);
2220 if (strcmp(os->oformat->name, "rtp")) {
2226 /* dump the file output parameters - cannot be done before in case
2228 for(i=0;i<nb_output_files;i++) {
2229 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2232 /* dump the stream mapping */
2234 fprintf(stderr, "Stream mapping:\n");
2235 for (i = 0; i < nb_output_streams;i ++) {
2236 ost = &output_streams[i];
2237 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2238 input_streams[ost->source_index].file_index,
2239 input_streams[ost->source_index].st->index,
2242 if (ost->sync_ist != &input_streams[ost->source_index])
2243 fprintf(stderr, " [sync #%d.%d]",
2244 ost->sync_ist->file_index,
2245 ost->sync_ist->st->index);
2246 if (ost->st->stream_copy)
2247 fprintf(stderr, " (copy)");
2249 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2250 input_streams[ost->source_index].dec->name : "?",
2251 ost->enc ? ost->enc->name : "?");
2252 fprintf(stderr, "\n");
2257 fprintf(stderr, "%s\n", error);
2262 print_sdp(output_files, nb_output_files);
2269 * The following code is the main loop of the file converter
2271 static int transcode(OutputFile *output_files,
2272 int nb_output_files,
2273 InputFile *input_files,
2277 AVFormatContext *is, *os;
2281 int no_packet_count=0;
2282 int64_t timer_start;
2285 if (!(no_packet = av_mallocz(nb_input_files)))
2288 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2294 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2295 avio_set_interrupt_cb(decode_interrupt_cb);
2299 timer_start = av_gettime();
2301 for(; received_sigterm == 0;) {
2302 int file_index, ist_index;
2307 ipts_min = INT64_MAX;
2309 /* if 'q' pressed, exits */
2313 /* read_key() returns 0 on EOF */
2317 if (key == '+') verbose++;
2318 if (key == '-') verbose--;
2319 if (key == 's') qp_hist ^= 1;
2322 do_hex_dump = do_pkt_dump = 0;
2323 } else if(do_pkt_dump){
2327 av_log_set_level(AV_LOG_DEBUG);
2329 if (key == 'd' || key == 'D'){
2332 debug = input_streams[0].st->codec->debug<<1;
2333 if(!debug) debug = 1;
2334 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2337 scanf("%d", &debug);
2338 for(i=0;i<nb_input_streams;i++) {
2339 input_streams[i].st->codec->debug = debug;
2341 for(i=0;i<nb_output_streams;i++) {
2342 ost = &output_streams[i];
2343 ost->st->codec->debug = debug;
2345 if(debug) av_log_set_level(AV_LOG_DEBUG);
2346 fprintf(stderr,"debug=%d\n", debug);
2349 fprintf(stderr, "key function\n"
2350 "? show this help\n"
2351 "+ increase verbosity\n"
2352 "- decrease verbosity\n"
2353 "D cycle through available debug modes\n"
2354 "h dump packets/hex press to cycle through the 3 states\n"
2356 "s Show QP histogram\n"
2361 /* select the stream that we must read now by looking at the
2362 smallest output pts */
2364 for (i = 0; i < nb_output_streams; i++) {
2368 ost = &output_streams[i];
2369 of = &output_files[ost->file_index];
2370 os = output_files[ost->file_index].ctx;
2371 ist = &input_streams[ost->source_index];
2372 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2373 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2375 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2377 if (!input_files[ist->file_index].eof_reached){
2378 if(ipts < ipts_min) {
2380 if(input_sync ) file_index = ist->file_index;
2382 if(opts < opts_min) {
2384 if(!input_sync) file_index = ist->file_index;
2387 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2392 /* if none, if is finished */
2393 if (file_index < 0) {
2394 if(no_packet_count){
2396 memset(no_packet, 0, nb_input_files);
2403 /* read a frame from it and output it in the fifo */
2404 is = input_files[file_index].ctx;
2405 ret= av_read_frame(is, &pkt);
2406 if(ret == AVERROR(EAGAIN)){
2407 no_packet[file_index]=1;
2412 input_files[file_index].eof_reached = 1;
2420 memset(no_packet, 0, nb_input_files);
2423 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2424 is->streams[pkt.stream_index]);
2426 /* the following test is needed in case new streams appear
2427 dynamically in stream : we ignore them */
2428 if (pkt.stream_index >= input_files[file_index].nb_streams)
2429 goto discard_packet;
2430 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2431 ist = &input_streams[ist_index];
2433 goto discard_packet;
2435 if (pkt.dts != AV_NOPTS_VALUE)
2436 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2437 if (pkt.pts != AV_NOPTS_VALUE)
2438 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2440 if (ist->ts_scale) {
2441 if(pkt.pts != AV_NOPTS_VALUE)
2442 pkt.pts *= ist->ts_scale;
2443 if(pkt.dts != AV_NOPTS_VALUE)
2444 pkt.dts *= ist->ts_scale;
2447 // 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);
2448 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2449 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2450 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2451 int64_t delta= pkt_dts - ist->next_pts;
2452 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2453 input_files[ist->file_index].ts_offset -= delta;
2455 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2456 delta, input_files[ist->file_index].ts_offset);
2457 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2458 if(pkt.pts != AV_NOPTS_VALUE)
2459 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2463 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2464 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2467 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2468 ist->file_index, ist->st->index);
2471 av_free_packet(&pkt);
2476 av_free_packet(&pkt);
2478 /* dump report by using the output first video and audio streams */
2479 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2482 /* at the end of stream, we must flush the decoder buffers */
2483 for (i = 0; i < nb_input_streams; i++) {
2484 ist = &input_streams[i];
2485 if (ist->decoding_needed) {
2486 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2489 flush_encoders(output_streams, nb_output_streams);
2493 /* write the trailer if needed and close file */
2494 for(i=0;i<nb_output_files;i++) {
2495 os = output_files[i].ctx;
2496 av_write_trailer(os);
2499 /* dump report by using the first video and audio streams */
2500 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2502 /* close each encoder */
2503 for (i = 0; i < nb_output_streams; i++) {
2504 ost = &output_streams[i];
2505 if (ost->encoding_needed) {
2506 av_freep(&ost->st->codec->stats_in);
2507 avcodec_close(ost->st->codec);
2510 avfilter_graph_free(&ost->graph);
2514 /* close each decoder */
2515 for (i = 0; i < nb_input_streams; i++) {
2516 ist = &input_streams[i];
2517 if (ist->decoding_needed) {
2518 avcodec_close(ist->st->codec);
2526 av_freep(&bit_buffer);
2527 av_freep(&no_packet);
2529 if (output_streams) {
2530 for (i = 0; i < nb_output_streams; i++) {
2531 ost = &output_streams[i];
2533 if (ost->st->stream_copy)
2534 av_freep(&ost->st->codec->extradata);
2536 fclose(ost->logfile);
2537 ost->logfile = NULL;
2539 av_fifo_free(ost->fifo); /* works even if fifo is not
2540 initialized but set to zero */
2541 av_freep(&ost->st->codec->subtitle_header);
2542 av_free(ost->resample_frame.data[0]);
2543 av_free(ost->forced_kf_pts);
2544 if (ost->video_resample)
2545 sws_freeContext(ost->img_resample_ctx);
2547 audio_resample_close(ost->resample);
2548 if (ost->reformat_ctx)
2549 av_audio_convert_free(ost->reformat_ctx);
2550 av_dict_free(&ost->opts);
2557 static int opt_format(const char *opt, const char *arg)
2559 last_asked_format = arg;
2563 static int opt_video_rc_override_string(const char *opt, const char *arg)
2565 video_rc_override_string = arg;
2569 static int opt_me_threshold(const char *opt, const char *arg)
2571 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2575 static int opt_verbose(const char *opt, const char *arg)
2577 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2581 static int opt_frame_rate(const char *opt, const char *arg)
2583 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2584 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2590 static int opt_frame_crop(const char *opt, const char *arg)
2592 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2593 return AVERROR(EINVAL);
2596 static int opt_frame_size(const char *opt, const char *arg)
2598 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2599 fprintf(stderr, "Incorrect frame size\n");
2600 return AVERROR(EINVAL);
2605 static int opt_pad(const char *opt, const char *arg) {
2606 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2610 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2612 if (strcmp(arg, "list")) {
2613 frame_pix_fmt = av_get_pix_fmt(arg);
2614 if (frame_pix_fmt == PIX_FMT_NONE) {
2615 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2616 return AVERROR(EINVAL);
2619 opt_pix_fmts(NULL, NULL);
2625 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2632 p = strchr(arg, ':');
2634 x = strtol(arg, &end, 10);
2636 y = strtol(end+1, &end, 10);
2638 ar = (double)x / (double)y;
2640 ar = strtod(arg, NULL);
2643 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2644 return AVERROR(EINVAL);
2646 frame_aspect_ratio = ar;
2650 static int opt_metadata(const char *opt, const char *arg)
2652 char *mid= strchr(arg, '=');
2655 fprintf(stderr, "Missing =\n");
2660 av_dict_set(&metadata, arg, mid, 0);
2665 static int opt_qscale(const char *opt, const char *arg)
2667 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2668 if (video_qscale <= 0 || video_qscale > 255) {
2669 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2670 return AVERROR(EINVAL);
2675 static int opt_top_field_first(const char *opt, const char *arg)
2677 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2678 return opt_default(opt, arg);
2681 static int opt_thread_count(const char *opt, const char *arg)
2683 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2686 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2691 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2693 if (strcmp(arg, "list")) {
2694 audio_sample_fmt = av_get_sample_fmt(arg);
2695 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2696 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2697 return AVERROR(EINVAL);
2702 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2703 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2709 static int opt_audio_rate(const char *opt, const char *arg)
2711 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2715 static int opt_audio_channels(const char *opt, const char *arg)
2717 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2721 static int opt_codec(const char *opt, const char *arg)
2723 return av_dict_set(&codec_names, opt, arg, 0);
2726 static int opt_audio_codec(const char *opt, const char *arg)
2728 return opt_codec("codec:a", arg);
2731 static int opt_video_codec(const char *opt, const char *arg)
2733 return opt_codec("codec:v", arg);
2736 static int opt_subtitle_codec(const char *opt, const char *arg)
2738 return opt_codec("codec:s", arg);
2741 static int opt_data_codec(const char *opt, const char *arg)
2743 return opt_codec("codec:d", arg);
2746 static int opt_codec_tag(const char *opt, const char *arg)
2749 uint32_t *codec_tag;
2751 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2752 !strcmp(opt, "vtag") ? &video_codec_tag :
2753 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2757 *codec_tag = strtol(arg, &tail, 0);
2759 *codec_tag = AV_RL32(arg);
2764 static int opt_map(const char *opt, const char *arg)
2766 StreamMap *m = NULL;
2767 int i, negative = 0, file_idx;
2768 int sync_file_idx = -1, sync_stream_idx;
2776 map = av_strdup(arg);
2778 /* parse sync stream first, just pick first matching stream */
2779 if (sync = strchr(map, ',')) {
2781 sync_file_idx = strtol(sync + 1, &sync, 0);
2782 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2783 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2788 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2789 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2790 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2791 sync_stream_idx = i;
2794 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2795 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2796 "match any streams.\n", arg);
2802 file_idx = strtol(map, &p, 0);
2803 if (file_idx >= nb_input_files || file_idx < 0) {
2804 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2808 /* disable some already defined maps */
2809 for (i = 0; i < nb_stream_maps; i++) {
2810 m = &stream_maps[i];
2811 if (check_stream_specifier(input_files[m->file_index].ctx,
2812 input_files[m->file_index].ctx->streams[m->stream_index],
2813 *p == ':' ? p + 1 : p) > 0)
2817 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2818 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2819 *p == ':' ? p + 1 : p) <= 0)
2821 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2822 m = &stream_maps[nb_stream_maps - 1];
2824 m->file_index = file_idx;
2825 m->stream_index = i;
2827 if (sync_file_idx >= 0) {
2828 m->sync_file_index = sync_file_idx;
2829 m->sync_stream_index = sync_stream_idx;
2831 m->sync_file_index = file_idx;
2832 m->sync_stream_index = i;
2837 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2845 static void parse_meta_type(char *arg, char *type, int *index)
2855 if (*(++arg) == ':')
2856 *index = strtol(++arg, NULL, 0);
2859 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2866 static int opt_map_metadata(const char *opt, const char *arg)
2868 MetadataMap *m, *m1;
2871 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2872 &nb_meta_data_maps, nb_meta_data_maps + 1);
2874 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2875 m->file = strtol(arg, &p, 0);
2876 parse_meta_type(p, &m->type, &m->index);
2878 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2879 if (p = strchr(opt, ':'))
2880 parse_meta_type(p, &m1->type, &m1->index);
2884 if (m->type == 'g' || m1->type == 'g')
2885 metadata_global_autocopy = 0;
2886 if (m->type == 's' || m1->type == 's')
2887 metadata_streams_autocopy = 0;
2888 if (m->type == 'c' || m1->type == 'c')
2889 metadata_chapters_autocopy = 0;
2894 static int opt_input_ts_scale(const char *opt, const char *arg)
2896 return av_dict_set(&ts_scale, opt, arg, 0);
2899 static int opt_recording_time(const char *opt, const char *arg)
2901 recording_time = parse_time_or_die(opt, arg, 1);
2905 static int opt_start_time(const char *opt, const char *arg)
2907 start_time = parse_time_or_die(opt, arg, 1);
2911 static int opt_input_ts_offset(const char *opt, const char *arg)
2913 input_ts_offset = parse_time_or_die(opt, arg, 1);
2917 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2919 const char *codec_string = encoder ? "encoder" : "decoder";
2923 return CODEC_ID_NONE;
2925 avcodec_find_encoder_by_name(name) :
2926 avcodec_find_decoder_by_name(name);
2928 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2931 if(codec->type != type) {
2932 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2938 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2940 AVDictionaryEntry *e = NULL;
2941 char *codec_name = NULL;
2944 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2945 char *p = strchr(e->key, ':');
2947 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2948 codec_name = e->value;
2955 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2956 return avcodec_find_encoder(st->codec->codec_id);
2958 } else if (!strcmp(codec_name, "copy"))
2959 st->stream_copy = 1;
2961 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2962 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2963 avcodec_find_decoder_by_name(codec_name);
2970 * Add all the streams from the given input file to the global
2971 * list of input streams.
2973 static void add_input_streams(AVFormatContext *ic)
2975 int i, rfps, rfps_base, ret;
2977 for (i = 0; i < ic->nb_streams; i++) {
2978 AVStream *st = ic->streams[i];
2979 AVCodecContext *dec = st->codec;
2980 AVDictionaryEntry *e = NULL;
2984 dec->thread_count = thread_count;
2986 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2987 ist = &input_streams[nb_input_streams - 1];
2989 ist->file_index = nb_input_files;
2991 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2993 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2994 char *p = strchr(e->key, ':');
2996 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3002 ist->ts_scale = strtod(scale, NULL);
3004 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3006 ist->dec = avcodec_find_decoder(dec->codec_id);
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);