3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static unsigned int video_codec_tag = 0;
149 static char *video_language = NULL;
150 static int same_quant = 0;
151 static int do_deinterlace = 0;
152 static int top_field_first = -1;
153 static int me_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int qp_hist = 0;
157 static char *vfilters = NULL;
160 static int audio_sample_rate = 0;
161 #define QSCALE_NONE -99999
162 static float audio_qscale = QSCALE_NONE;
163 static int audio_disable = 0;
164 static int audio_channels = 0;
165 static unsigned int audio_codec_tag = 0;
166 static char *audio_language = NULL;
168 static int subtitle_disable = 0;
169 static char *subtitle_language = NULL;
170 static unsigned int subtitle_codec_tag = 0;
172 static int data_disable = 0;
173 static unsigned int data_codec_tag = 0;
175 static float mux_preload= 0.5;
176 static float mux_max_delay= 0.7;
178 static int64_t recording_time = INT64_MAX;
179 static int64_t start_time = 0;
180 static int64_t input_ts_offset = 0;
181 static int file_overwrite = 0;
182 static AVDictionary *metadata;
183 static int do_benchmark = 0;
184 static int do_hex_dump = 0;
185 static int do_pkt_dump = 0;
186 static int do_psnr = 0;
187 static int do_pass = 0;
188 static const char *pass_logfilename_prefix;
189 static int video_sync_method= -1;
190 static int audio_sync_method= 0;
191 static float audio_drift_threshold= 0.1;
192 static int copy_ts= 0;
193 static int copy_tb= 0;
194 static int opt_shortest = 0;
195 static char *vstats_filename;
196 static FILE *vstats_file;
197 static int opt_programid = 0;
198 static int copy_initial_nonkeyframes = 0;
200 static int rate_emu = 0;
202 static int audio_volume = 256;
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int run_as_daemon = 0;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = UINT64_MAX;
217 static int force_fps = 0;
218 static char *forced_key_frames = NULL;
220 static float dts_delta_threshold = 10;
222 static uint8_t *audio_buf;
223 static uint8_t *audio_out;
224 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
226 static short *samples;
228 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
234 typedef struct InputStream {
237 int discard; /* true if stream data should be discarded */
238 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
241 int64_t start; /* time when read started */
242 int64_t next_pts; /* synthetic pts for cases where pkt.pts
244 int64_t pts; /* current pts */
246 int is_start; /* is 1 at the start and after a discontinuity */
247 int showed_multi_packet_warning;
251 typedef struct InputFile {
252 AVFormatContext *ctx;
253 int eof_reached; /* true if eof reached */
254 int ist_index; /* index of first stream in ist_table */
255 int buffer_size; /* current total buffer size */
260 typedef struct OutputStream {
261 int file_index; /* file index */
262 int index; /* stream index in the output file */
263 int source_index; /* InputStream index */
264 AVStream *st; /* stream in the output file */
265 int encoding_needed; /* true if encoding needed for this stream */
267 /* input pts and corresponding output pts
269 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
270 struct InputStream *sync_ist; /* input stream to sync against */
271 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
272 AVBitStreamFilterContext *bitstream_filters;
277 AVFrame resample_frame; /* temporary frame for image resampling */
278 struct SwsContext *img_resample_ctx; /* for image resampling */
281 int resample_pix_fmt;
282 AVRational frame_rate;
284 float frame_aspect_ratio;
286 /* forced key frames */
287 int64_t *forced_kf_pts;
293 ReSampleContext *resample; /* for audio resampling */
294 int resample_sample_fmt;
295 int resample_channels;
296 int resample_sample_rate;
298 AVAudioConvert *reformat_ctx;
299 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
303 AVFilterContext *output_video_filter;
304 AVFilterContext *input_video_filter;
305 AVFilterBufferRef *picref;
307 AVFilterGraph *graph;
312 int is_past_recording_time;
317 /* init terminal so that we can grab keys */
318 static struct termios oldtty;
321 typedef struct OutputFile {
322 AVFormatContext *ctx;
324 int ost_index; /* index of the first stream in output_streams */
325 int64_t recording_time; /* desired length of the resulting file in microseconds */
326 int64_t start_time; /* start time in microseconds */
327 uint64_t limit_filesize;
330 static InputStream *input_streams = NULL;
331 static int nb_input_streams = 0;
332 static InputFile *input_files = NULL;
333 static int nb_input_files = 0;
335 static OutputStream *output_streams = NULL;
336 static int nb_output_streams = 0;
337 static OutputFile *output_files = NULL;
338 static int nb_output_files = 0;
342 static int configure_video_filters(InputStream *ist, OutputStream *ost)
344 AVFilterContext *last_filter, *filter;
345 /** filter graph containing all filters including input & output */
346 AVCodecContext *codec = ost->st->codec;
347 AVCodecContext *icodec = ist->st->codec;
348 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
349 AVRational sample_aspect_ratio;
353 ost->graph = avfilter_graph_alloc();
355 if (ist->st->sample_aspect_ratio.num){
356 sample_aspect_ratio = ist->st->sample_aspect_ratio;
358 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
360 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
361 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
362 sample_aspect_ratio.num, sample_aspect_ratio.den);
364 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
365 "src", args, NULL, ost->graph);
368 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
369 "out", NULL, pix_fmts, ost->graph);
372 last_filter = ost->input_video_filter;
374 if (codec->width != icodec->width || codec->height != icodec->height) {
375 snprintf(args, 255, "%d:%d:flags=0x%X",
379 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
380 NULL, args, NULL, ost->graph)) < 0)
382 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
384 last_filter = filter;
387 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
388 ost->graph->scale_sws_opts = av_strdup(args);
391 AVFilterInOut *outputs = avfilter_inout_alloc();
392 AVFilterInOut *inputs = avfilter_inout_alloc();
394 outputs->name = av_strdup("in");
395 outputs->filter_ctx = last_filter;
396 outputs->pad_idx = 0;
397 outputs->next = NULL;
399 inputs->name = av_strdup("out");
400 inputs->filter_ctx = ost->output_video_filter;
404 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
406 av_freep(&ost->avfilter);
408 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
412 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
415 codec->width = ost->output_video_filter->inputs[0]->w;
416 codec->height = ost->output_video_filter->inputs[0]->h;
417 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
418 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
419 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
420 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
424 #endif /* CONFIG_AVFILTER */
426 static void term_exit(void)
428 av_log(NULL, AV_LOG_QUIET, "%s", "");
431 tcsetattr (0, TCSANOW, &oldtty);
435 static volatile int received_sigterm = 0;
438 sigterm_handler(int sig)
440 received_sigterm = sig;
445 static void term_init(void)
455 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
456 |INLCR|IGNCR|ICRNL|IXON);
457 tty.c_oflag |= OPOST;
458 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
459 tty.c_cflag &= ~(CSIZE|PARENB);
464 tcsetattr (0, TCSANOW, &tty);
465 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
469 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
470 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
472 signal(SIGXCPU, sigterm_handler);
476 /* read a key without blocking */
477 static int read_key(void)
492 n = select(1, &rfds, NULL, NULL, &tv);
507 static int decode_interrupt_cb(void)
509 q_pressed += read_key() == 'q';
510 return q_pressed > 1;
513 static int exit_program(int ret)
518 for(i=0;i<nb_output_files;i++) {
519 AVFormatContext *s = output_files[i].ctx;
520 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
522 avformat_free_context(s);
523 av_dict_free(&output_files[i].opts);
525 for(i=0;i<nb_input_files;i++) {
526 av_close_input_file(input_files[i].ctx);
528 for (i = 0; i < nb_input_streams; i++)
529 av_dict_free(&input_streams[i].opts);
531 av_free(intra_matrix);
532 av_free(inter_matrix);
536 av_free(vstats_filename);
538 av_free(meta_data_maps);
540 av_freep(&input_streams);
541 av_freep(&input_files);
542 av_freep(&output_streams);
543 av_freep(&output_files);
548 allocated_audio_buf_size= allocated_audio_out_size= 0;
555 if (received_sigterm) {
557 "Received signal %d: terminating.\n",
558 (int) received_sigterm);
562 exit(ret); /* not all OS-es handle main() return value */
566 static void assert_avoptions(AVDictionary *m)
568 AVDictionaryEntry *t;
569 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
570 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
575 static void assert_codec_experimental(AVCodecContext *c, int encoder)
577 const char *codec_string = encoder ? "encoder" : "decoder";
579 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
580 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
581 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
582 "results.\nAdd '-strict experimental' if you want to use it.\n",
583 codec_string, c->codec->name);
584 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
585 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
586 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
587 codec_string, codec->name);
592 /* similar to ff_dynarray_add() and av_fast_realloc() */
593 static void *grow_array(void *array, int elem_size, int *size, int new_size)
595 if (new_size >= INT_MAX / elem_size) {
596 fprintf(stderr, "Array too big.\n");
599 if (*size < new_size) {
600 uint8_t *tmp = av_realloc(array, new_size*elem_size);
602 fprintf(stderr, "Could not alloc buffer.\n");
605 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
612 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
614 if(codec && codec->sample_fmts){
615 const enum AVSampleFormat *p= codec->sample_fmts;
617 if(*p == st->codec->sample_fmt)
621 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
622 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
623 if(av_get_sample_fmt_name(st->codec->sample_fmt))
624 av_log(NULL, AV_LOG_WARNING,
625 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
626 av_get_sample_fmt_name(st->codec->sample_fmt),
628 av_get_sample_fmt_name(codec->sample_fmts[0]));
629 st->codec->sample_fmt = codec->sample_fmts[0];
634 static void choose_sample_rate(AVStream *st, AVCodec *codec)
636 if(codec && codec->supported_samplerates){
637 const int *p= codec->supported_samplerates;
639 int best_dist=INT_MAX;
641 int dist= abs(st->codec->sample_rate - *p);
642 if(dist < best_dist){
648 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
650 st->codec->sample_rate= best;
654 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
656 if(codec && codec->pix_fmts){
657 const enum PixelFormat *p= codec->pix_fmts;
658 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
659 if(st->codec->codec_id==CODEC_ID_MJPEG){
660 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
661 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
662 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
666 if(*p == st->codec->pix_fmt)
670 if(st->codec->pix_fmt != PIX_FMT_NONE)
671 av_log(NULL, AV_LOG_WARNING,
672 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
673 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
675 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
676 st->codec->pix_fmt = codec->pix_fmts[0];
682 get_sync_ipts(const OutputStream *ost)
684 const InputStream *ist = ost->sync_ist;
685 OutputFile *of = &output_files[ost->file_index];
686 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
689 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
693 AVPacket new_pkt= *pkt;
694 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
695 &new_pkt.data, &new_pkt.size,
696 pkt->data, pkt->size,
697 pkt->flags & AV_PKT_FLAG_KEY);
700 new_pkt.destruct= av_destruct_packet;
702 fprintf(stderr, "%s failed for stream %d, codec %s",
703 bsfc->filter->name, pkt->stream_index,
704 avctx->codec ? avctx->codec->name : "copy");
714 ret= av_interleaved_write_frame(s, pkt);
716 print_error("av_interleaved_write_frame()", ret);
721 static void do_audio_out(AVFormatContext *s,
724 unsigned char *buf, int size)
727 int64_t audio_out_size, audio_buf_size;
728 int64_t allocated_for_size= size;
730 int size_out, frame_bytes, ret, resample_changed;
731 AVCodecContext *enc= ost->st->codec;
732 AVCodecContext *dec= ist->st->codec;
733 int osize = av_get_bytes_per_sample(enc->sample_fmt);
734 int isize = av_get_bytes_per_sample(dec->sample_fmt);
735 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
738 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
739 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
740 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
741 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
742 audio_buf_size*= osize*enc->channels;
744 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
745 if(coded_bps > 8*osize)
746 audio_out_size= audio_out_size * coded_bps / (8*osize);
747 audio_out_size += FF_MIN_BUFFER_SIZE;
749 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
750 fprintf(stderr, "Buffer sizes too large\n");
754 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
755 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
756 if (!audio_buf || !audio_out){
757 fprintf(stderr, "Out of memory in do_audio_out\n");
761 if (enc->channels != dec->channels)
762 ost->audio_resample = 1;
764 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
765 ost->resample_channels != dec->channels ||
766 ost->resample_sample_rate != dec->sample_rate;
768 if ((ost->audio_resample && !ost->resample) || resample_changed) {
769 if (resample_changed) {
770 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
771 ist->file_index, ist->st->index,
772 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
773 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
774 ost->resample_sample_fmt = dec->sample_fmt;
775 ost->resample_channels = dec->channels;
776 ost->resample_sample_rate = dec->sample_rate;
778 audio_resample_close(ost->resample);
780 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
781 if (audio_sync_method <= 1 &&
782 ost->resample_sample_fmt == enc->sample_fmt &&
783 ost->resample_channels == enc->channels &&
784 ost->resample_sample_rate == enc->sample_rate) {
785 ost->resample = NULL;
786 ost->audio_resample = 0;
788 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
789 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
790 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
791 enc->sample_rate, dec->sample_rate,
792 enc->sample_fmt, dec->sample_fmt,
794 if (!ost->resample) {
795 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
796 dec->channels, dec->sample_rate,
797 enc->channels, enc->sample_rate);
803 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
804 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
805 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
806 if (ost->reformat_ctx)
807 av_audio_convert_free(ost->reformat_ctx);
808 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
809 dec->sample_fmt, 1, NULL, 0);
810 if (!ost->reformat_ctx) {
811 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
812 av_get_sample_fmt_name(dec->sample_fmt),
813 av_get_sample_fmt_name(enc->sample_fmt));
816 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
819 if(audio_sync_method){
820 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
821 - av_fifo_size(ost->fifo)/(enc->channels * 2);
822 double idelta= delta*dec->sample_rate / enc->sample_rate;
823 int byte_delta= ((int)idelta)*2*dec->channels;
825 //FIXME resample delay
826 if(fabs(delta) > 50){
827 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
829 byte_delta= FFMAX(byte_delta, -size);
833 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
838 static uint8_t *input_tmp= NULL;
839 input_tmp= av_realloc(input_tmp, byte_delta + size);
841 if(byte_delta > allocated_for_size - size){
842 allocated_for_size= byte_delta + (int64_t)size;
847 memset(input_tmp, 0, byte_delta);
848 memcpy(input_tmp + byte_delta, buf, size);
852 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
854 }else if(audio_sync_method>1){
855 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
856 av_assert0(ost->audio_resample);
858 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
859 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
860 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
864 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
865 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
867 if (ost->audio_resample) {
869 size_out = audio_resample(ost->resample,
870 (short *)buftmp, (short *)buf,
871 size / (dec->channels * isize));
872 size_out = size_out * enc->channels * osize;
878 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
879 const void *ibuf[6]= {buftmp};
880 void *obuf[6]= {audio_buf};
881 int istride[6]= {isize};
882 int ostride[6]= {osize};
883 int len= size_out/istride[0];
884 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
885 printf("av_audio_convert() failed\n");
891 size_out = len*osize;
894 /* now encode as many frames as possible */
895 if (enc->frame_size > 1) {
896 /* output resampled raw samples */
897 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
898 fprintf(stderr, "av_fifo_realloc2() failed\n");
901 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
903 frame_bytes = enc->frame_size * osize * enc->channels;
905 while (av_fifo_size(ost->fifo) >= frame_bytes) {
907 av_init_packet(&pkt);
909 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
911 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
913 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
916 fprintf(stderr, "Audio encoding failed\n");
920 pkt.stream_index= ost->index;
923 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
924 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
925 pkt.flags |= AV_PKT_FLAG_KEY;
926 write_frame(s, &pkt, enc, ost->bitstream_filters);
928 ost->sync_opts += enc->frame_size;
932 av_init_packet(&pkt);
934 ost->sync_opts += size_out / (osize * enc->channels);
936 /* output a pcm frame */
937 /* determine the size of the coded buffer */
940 size_out = size_out*coded_bps/8;
942 if(size_out > audio_out_size){
943 fprintf(stderr, "Internal error, buffer size too small\n");
947 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
948 ret = avcodec_encode_audio(enc, audio_out, size_out,
951 fprintf(stderr, "Audio encoding failed\n");
955 pkt.stream_index= ost->index;
958 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
959 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
960 pkt.flags |= AV_PKT_FLAG_KEY;
961 write_frame(s, &pkt, enc, ost->bitstream_filters);
965 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
969 AVPicture picture_tmp;
972 dec = ist->st->codec;
974 /* deinterlace : must be done before any resize */
975 if (do_deinterlace) {
978 /* create temporary picture */
979 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
980 buf = av_malloc(size);
984 picture2 = &picture_tmp;
985 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
987 if(avpicture_deinterlace(picture2, picture,
988 dec->pix_fmt, dec->width, dec->height) < 0) {
989 /* if error, do not deinterlace */
990 fprintf(stderr, "Deinterlacing failed\n");
999 if (picture != picture2)
1000 *picture = *picture2;
1004 static void do_subtitle_out(AVFormatContext *s,
1010 static uint8_t *subtitle_out = NULL;
1011 int subtitle_out_max_size = 1024 * 1024;
1012 int subtitle_out_size, nb, i;
1013 AVCodecContext *enc;
1016 if (pts == AV_NOPTS_VALUE) {
1017 fprintf(stderr, "Subtitle packets must have a pts\n");
1023 enc = ost->st->codec;
1025 if (!subtitle_out) {
1026 subtitle_out = av_malloc(subtitle_out_max_size);
1029 /* Note: DVB subtitle need one packet to draw them and one other
1030 packet to clear them */
1031 /* XXX: signal it in the codec context ? */
1032 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1037 for(i = 0; i < nb; i++) {
1038 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1039 // start_display_time is required to be 0
1040 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1041 sub->end_display_time -= sub->start_display_time;
1042 sub->start_display_time = 0;
1043 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1044 subtitle_out_max_size, sub);
1045 if (subtitle_out_size < 0) {
1046 fprintf(stderr, "Subtitle encoding failed\n");
1050 av_init_packet(&pkt);
1051 pkt.stream_index = ost->index;
1052 pkt.data = subtitle_out;
1053 pkt.size = subtitle_out_size;
1054 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1055 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1056 /* XXX: the pts correction is handled here. Maybe handling
1057 it in the codec would be better */
1059 pkt.pts += 90 * sub->start_display_time;
1061 pkt.pts += 90 * sub->end_display_time;
1063 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1067 static int bit_buffer_size= 1024*256;
1068 static uint8_t *bit_buffer= NULL;
1070 static void do_video_resample(OutputStream *ost,
1072 AVFrame *in_picture,
1073 AVFrame **out_picture)
1075 int resample_changed = 0;
1076 AVCodecContext *dec = ist->st->codec;
1077 AVCodecContext *enc = ost->st->codec;
1078 *out_picture = in_picture;
1080 resample_changed = ost->resample_width != dec->width ||
1081 ost->resample_height != dec->height ||
1082 ost->resample_pix_fmt != dec->pix_fmt;
1084 #if !CONFIG_AVFILTER
1085 if (resample_changed) {
1086 av_log(NULL, AV_LOG_INFO,
1087 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1088 ist->file_index, ist->st->index,
1089 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1090 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1091 ost->resample_width = dec->width;
1092 ost->resample_height = dec->height;
1093 ost->resample_pix_fmt = dec->pix_fmt;
1096 ost->video_resample = dec->width != enc->width ||
1097 dec->height != enc->height ||
1098 dec->pix_fmt != enc->pix_fmt;
1100 if (ost->video_resample) {
1101 *out_picture = &ost->resample_frame;
1102 if (!ost->img_resample_ctx || resample_changed) {
1103 /* initialize the destination picture */
1104 if (!ost->resample_frame.data[0]) {
1105 avcodec_get_frame_defaults(&ost->resample_frame);
1106 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1107 enc->width, enc->height)) {
1108 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1112 /* initialize a new scaler context */
1113 sws_freeContext(ost->img_resample_ctx);
1114 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1115 enc->width, enc->height, enc->pix_fmt,
1116 ost->sws_flags, NULL, NULL, NULL);
1117 if (ost->img_resample_ctx == NULL) {
1118 fprintf(stderr, "Cannot get resampling context\n");
1122 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1123 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1126 if (resample_changed) {
1127 avfilter_graph_free(&ost->graph);
1128 if (configure_video_filters(ist, ost)) {
1129 fprintf(stderr, "Error reinitializing filters!\n");
1134 if (resample_changed) {
1135 ost->resample_width = dec->width;
1136 ost->resample_height = dec->height;
1137 ost->resample_pix_fmt = dec->pix_fmt;
1142 static void do_video_out(AVFormatContext *s,
1145 AVFrame *in_picture,
1146 int *frame_size, float quality)
1148 int nb_frames, i, ret, format_video_sync;
1149 AVFrame *final_picture;
1150 AVCodecContext *enc, *dec;
1153 enc = ost->st->codec;
1154 dec = ist->st->codec;
1156 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1158 /* by default, we output a single frame */
1163 format_video_sync = video_sync_method;
1164 if (format_video_sync < 0)
1165 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1167 if (format_video_sync) {
1168 double vdelta = sync_ipts - ost->sync_opts;
1169 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1172 else if (format_video_sync == 2) {
1175 }else if(vdelta>0.6)
1176 ost->sync_opts= lrintf(sync_ipts);
1177 }else if (vdelta > 1.1)
1178 nb_frames = lrintf(vdelta);
1179 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1180 if (nb_frames == 0){
1183 fprintf(stderr, "*** drop!\n");
1184 }else if (nb_frames > 1) {
1185 nb_frames_dup += nb_frames - 1;
1187 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1190 ost->sync_opts= lrintf(sync_ipts);
1192 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1196 do_video_resample(ost, ist, in_picture, &final_picture);
1198 /* duplicates frame if needed */
1199 for(i=0;i<nb_frames;i++) {
1201 av_init_packet(&pkt);
1202 pkt.stream_index= ost->index;
1204 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1205 /* raw pictures are written as AVPicture structure to
1206 avoid any copies. We support temporarily the older
1208 AVFrame* old_frame = enc->coded_frame;
1209 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1210 pkt.data= (uint8_t *)final_picture;
1211 pkt.size= sizeof(AVPicture);
1212 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1213 pkt.flags |= AV_PKT_FLAG_KEY;
1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 enc->coded_frame = old_frame;
1218 AVFrame big_picture;
1220 big_picture= *final_picture;
1221 /* better than nothing: use input picture interlaced
1223 big_picture.interlaced_frame = in_picture->interlaced_frame;
1224 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1225 if(top_field_first == -1)
1226 big_picture.top_field_first = in_picture->top_field_first;
1228 big_picture.top_field_first = top_field_first;
1231 /* handles same_quant here. This is not correct because it may
1232 not be a global option */
1233 big_picture.quality = quality;
1235 big_picture.pict_type = 0;
1236 // big_picture.pts = AV_NOPTS_VALUE;
1237 big_picture.pts= ost->sync_opts;
1238 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1239 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1240 if (ost->forced_kf_index < ost->forced_kf_count &&
1241 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1242 big_picture.pict_type = AV_PICTURE_TYPE_I;
1243 ost->forced_kf_index++;
1245 ret = avcodec_encode_video(enc,
1246 bit_buffer, bit_buffer_size,
1249 fprintf(stderr, "Video encoding failed\n");
1254 pkt.data= bit_buffer;
1256 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1257 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1258 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1259 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1260 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1262 if(enc->coded_frame->key_frame)
1263 pkt.flags |= AV_PKT_FLAG_KEY;
1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1267 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1268 // enc->frame_number-1, ret, enc->pict_type);
1269 /* if two pass, output log */
1270 if (ost->logfile && enc->stats_out) {
1271 fprintf(ost->logfile, "%s", enc->stats_out);
1276 ost->frame_number++;
1280 static double psnr(double d){
1281 return -10.0*log(d)/log(10.0);
1284 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1287 AVCodecContext *enc;
1289 double ti1, bitrate, avg_bitrate;
1291 /* this is executed just the first time do_video_stats is called */
1293 vstats_file = fopen(vstats_filename, "w");
1300 enc = ost->st->codec;
1301 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1302 frame_number = ost->frame_number;
1303 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1304 if (enc->flags&CODEC_FLAG_PSNR)
1305 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1307 fprintf(vstats_file,"f_size= %6d ", frame_size);
1308 /* compute pts value */
1309 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1313 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1314 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1315 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1316 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1317 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1321 static void print_report(OutputFile *output_files,
1322 OutputStream *ost_table, int nb_ostreams,
1323 int is_last_report, int64_t timer_start)
1327 AVFormatContext *oc;
1329 AVCodecContext *enc;
1330 int frame_number, vid, i;
1332 int64_t pts = INT64_MAX;
1333 static int64_t last_time = -1;
1334 static int qp_histogram[52];
1336 if (!is_last_report) {
1338 /* display the report every 0.5 seconds */
1339 cur_time = av_gettime();
1340 if (last_time == -1) {
1341 last_time = cur_time;
1344 if ((cur_time - last_time) < 500000)
1346 last_time = cur_time;
1350 oc = output_files[0].ctx;
1352 total_size = avio_size(oc->pb);
1353 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1354 total_size= avio_tell(oc->pb);
1358 for(i=0;i<nb_ostreams;i++) {
1360 ost = &ost_table[i];
1361 enc = ost->st->codec;
1362 if (!ost->st->stream_copy && enc->coded_frame)
1363 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1364 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1367 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1368 float t = (av_gettime()-timer_start) / 1000000.0;
1370 frame_number = ost->frame_number;
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1372 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1378 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1383 if (enc->flags&CODEC_FLAG_PSNR){
1385 double error, error_sum=0;
1386 double scale, scale_sum=0;
1387 char type[3]= {'Y','U','V'};
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1391 error= enc->error[j];
1392 scale= enc->width*enc->height*255.0*255.0*frame_number;
1394 error= enc->coded_frame->error[j];
1395 scale= enc->width*enc->height*255.0*255.0;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1406 /* compute min output value */
1407 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1408 ost->st->time_base, AV_TIME_BASE_Q));
1411 if (verbose > 0 || is_last_report) {
1412 int hours, mins, secs, us;
1413 secs = pts / AV_TIME_BASE;
1414 us = pts % AV_TIME_BASE;
1420 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1423 "size=%8.0fkB time=", total_size / 1024.0);
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1425 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1426 (100 * us) / AV_TIME_BASE);
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1428 "bitrate=%6.1fkbits/s", bitrate);
1430 if (nb_frames_dup || nb_frames_drop)
1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1432 nb_frames_dup, nb_frames_drop);
1435 fprintf(stderr, "%s \r", buf);
1440 if (is_last_report && verbose >= 0){
1441 int64_t raw= audio_size + video_size + extra_size;
1442 fprintf(stderr, "\n");
1443 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1447 100.0*(total_size - raw)/raw
1452 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1454 int fill_char = 0x00;
1455 if (sample_fmt == AV_SAMPLE_FMT_U8)
1457 memset(buf, fill_char, size);
1460 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1464 for (i = 0; i < nb_ostreams; i++) {
1465 OutputStream *ost = &ost_table[i];
1466 AVCodecContext *enc = ost->st->codec;
1467 AVFormatContext *os = output_files[ost->file_index].ctx;
1469 if (!ost->encoding_needed)
1472 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1474 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1480 av_init_packet(&pkt);
1481 pkt.stream_index= ost->index;
1483 switch (ost->st->codec->codec_type) {
1484 case AVMEDIA_TYPE_AUDIO:
1485 fifo_bytes = av_fifo_size(ost->fifo);
1487 /* encode any samples remaining in fifo */
1488 if (fifo_bytes > 0) {
1489 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1490 int fs_tmp = enc->frame_size;
1492 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1493 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1494 enc->frame_size = fifo_bytes / (osize * enc->channels);
1496 int frame_bytes = enc->frame_size*osize*enc->channels;
1497 if (allocated_audio_buf_size < frame_bytes)
1499 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1502 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1503 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1504 ost->st->time_base.num, enc->sample_rate);
1505 enc->frame_size = fs_tmp;
1508 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1511 fprintf(stderr, "Audio encoding failed\n");
1515 pkt.flags |= AV_PKT_FLAG_KEY;
1517 case AVMEDIA_TYPE_VIDEO:
1518 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1520 fprintf(stderr, "Video encoding failed\n");
1524 if(enc->coded_frame && enc->coded_frame->key_frame)
1525 pkt.flags |= AV_PKT_FLAG_KEY;
1526 if (ost->logfile && enc->stats_out) {
1527 fprintf(ost->logfile, "%s", enc->stats_out);
1536 pkt.data = bit_buffer;
1538 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1539 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1540 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1545 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1546 static int output_packet(InputStream *ist, int ist_index,
1547 OutputStream *ost_table, int nb_ostreams,
1548 const AVPacket *pkt)
1550 AVFormatContext *os;
1555 void *buffer_to_free = NULL;
1556 static unsigned int samples_size= 0;
1557 AVSubtitle subtitle, *subtitle_to_free;
1558 int64_t pkt_pts = AV_NOPTS_VALUE;
1560 int frame_available;
1565 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1567 if(ist->next_pts == AV_NOPTS_VALUE)
1568 ist->next_pts= ist->pts;
1572 av_init_packet(&avpkt);
1580 if(pkt->dts != AV_NOPTS_VALUE)
1581 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1582 if(pkt->pts != AV_NOPTS_VALUE)
1583 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1585 //while we have more to decode or while the decoder did output something on EOF
1586 while (avpkt.size > 0 || (!pkt && got_output)) {
1587 uint8_t *data_buf, *decoded_data_buf;
1588 int data_size, decoded_data_size;
1590 ist->pts= ist->next_pts;
1592 if(avpkt.size && avpkt.size != pkt->size &&
1593 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1594 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1595 ist->showed_multi_packet_warning=1;
1598 /* decode the packet if needed */
1599 decoded_data_buf = NULL; /* fail safe */
1600 decoded_data_size= 0;
1601 data_buf = avpkt.data;
1602 data_size = avpkt.size;
1603 subtitle_to_free = NULL;
1604 if (ist->decoding_needed) {
1605 switch(ist->st->codec->codec_type) {
1606 case AVMEDIA_TYPE_AUDIO:{
1607 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1608 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1610 samples= av_malloc(samples_size);
1612 decoded_data_size= samples_size;
1613 /* XXX: could avoid copy if PCM 16 bits with same
1614 endianness as CPU */
1615 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1622 got_output = decoded_data_size > 0;
1623 /* Some bug in mpeg audio decoder gives */
1624 /* decoded_data_size < 0, it seems they are overflows */
1626 /* no audio frame */
1629 decoded_data_buf = (uint8_t *)samples;
1630 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1631 (ist->st->codec->sample_rate * ist->st->codec->channels);
1633 case AVMEDIA_TYPE_VIDEO:
1634 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1635 /* XXX: allocate picture correctly */
1636 avcodec_get_frame_defaults(&picture);
1637 avpkt.pts = pkt_pts;
1638 avpkt.dts = ist->pts;
1639 pkt_pts = AV_NOPTS_VALUE;
1641 ret = avcodec_decode_video2(ist->st->codec,
1642 &picture, &got_output, &avpkt);
1643 quality = same_quant ? picture.quality : 0;
1647 /* no picture yet */
1648 goto discard_packet;
1650 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1651 if (ist->st->codec->time_base.num != 0) {
1652 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1653 ist->next_pts += ((int64_t)AV_TIME_BASE *
1654 ist->st->codec->time_base.num * ticks) /
1655 ist->st->codec->time_base.den;
1658 buffer_to_free = NULL;
1659 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1661 case AVMEDIA_TYPE_SUBTITLE:
1662 ret = avcodec_decode_subtitle2(ist->st->codec,
1663 &subtitle, &got_output, &avpkt);
1667 goto discard_packet;
1669 subtitle_to_free = &subtitle;
1676 switch(ist->st->codec->codec_type) {
1677 case AVMEDIA_TYPE_AUDIO:
1678 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1679 ist->st->codec->sample_rate;
1681 case AVMEDIA_TYPE_VIDEO:
1682 if (ist->st->codec->time_base.num != 0) {
1683 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1684 ist->next_pts += ((int64_t)AV_TIME_BASE *
1685 ist->st->codec->time_base.num * ticks) /
1686 ist->st->codec->time_base.den;
1694 // preprocess audio (volume)
1695 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1696 if (audio_volume != 256) {
1699 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1700 int v = ((*volp) * audio_volume + 128) >> 8;
1701 if (v < -32768) v = -32768;
1702 if (v > 32767) v = 32767;
1708 /* frame rate emulation */
1710 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1711 int64_t now = av_gettime() - ist->start;
1715 /* if output time reached then transcode raw format,
1716 encode packets and output them */
1717 for (i = 0; i < nb_ostreams; i++) {
1718 OutputFile *of = &output_files[ost_table[i].file_index];
1721 ost = &ost_table[i];
1722 if (ost->source_index != ist_index)
1725 if (of->start_time && ist->pts < of->start_time)
1728 if (of->recording_time != INT64_MAX &&
1729 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1730 (AVRational){1, 1000000}) >= 0) {
1731 ost->is_past_recording_time = 1;
1736 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1737 ost->input_video_filter) {
1738 if (!picture.sample_aspect_ratio.num)
1739 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1740 picture.pts = ist->pts;
1742 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1744 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1745 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1746 while (frame_available) {
1747 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1748 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1749 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1752 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1753 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1757 os = output_files[ost->file_index].ctx;
1759 /* set the input output pts pairs */
1760 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1762 if (ost->encoding_needed) {
1763 av_assert0(ist->decoding_needed);
1764 switch(ost->st->codec->codec_type) {
1765 case AVMEDIA_TYPE_AUDIO:
1766 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1768 case AVMEDIA_TYPE_VIDEO:
1770 if (ost->picref->video && !ost->frame_aspect_ratio)
1771 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1773 do_video_out(os, ost, ist, &picture, &frame_size,
1774 same_quant ? quality : ost->st->codec->global_quality);
1775 if (vstats_filename && frame_size)
1776 do_video_stats(os, ost, frame_size);
1778 case AVMEDIA_TYPE_SUBTITLE:
1779 do_subtitle_out(os, ost, ist, &subtitle,
1786 AVFrame avframe; //FIXME/XXX remove this
1789 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1790 av_init_packet(&opkt);
1792 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1793 #if !CONFIG_AVFILTER
1799 /* no reencoding needed : output the packet directly */
1800 /* force the input stream PTS */
1802 avcodec_get_frame_defaults(&avframe);
1803 ost->st->codec->coded_frame= &avframe;
1804 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1806 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1807 audio_size += data_size;
1808 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1809 video_size += data_size;
1813 opkt.stream_index= ost->index;
1814 if(pkt->pts != AV_NOPTS_VALUE)
1815 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1817 opkt.pts= AV_NOPTS_VALUE;
1819 if (pkt->dts == AV_NOPTS_VALUE)
1820 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1822 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1823 opkt.dts -= ost_tb_start_time;
1825 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1826 opkt.flags= pkt->flags;
1828 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1829 if( ost->st->codec->codec_id != CODEC_ID_H264
1830 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1831 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1833 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1834 opkt.destruct= av_destruct_packet;
1836 opkt.data = data_buf;
1837 opkt.size = data_size;
1840 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1841 /* store AVPicture in AVPacket, as expected by the output format */
1842 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1843 opkt.data = (uint8_t *)&pict;
1844 opkt.size = sizeof(AVPicture);
1845 opkt.flags |= AV_PKT_FLAG_KEY;
1847 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1848 ost->st->codec->frame_number++;
1849 ost->frame_number++;
1850 av_free_packet(&opkt);
1854 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1855 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1857 avfilter_unref_buffer(ost->picref);
1862 av_free(buffer_to_free);
1863 /* XXX: allocate the subtitles in the codec ? */
1864 if (subtitle_to_free) {
1865 avsubtitle_free(subtitle_to_free);
1866 subtitle_to_free = NULL;
1874 static void print_sdp(OutputFile *output_files, int n)
1878 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1882 for (i = 0; i < n; i++)
1883 avc[i] = output_files[i].ctx;
1885 av_sdp_create(avc, n, sdp, sizeof(sdp));
1886 printf("SDP:\n%s\n", sdp);
1891 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1892 char *error, int error_len)
1895 InputStream *ist = &input_streams[ist_index];
1896 if (ist->decoding_needed) {
1897 AVCodec *codec = ist->dec;
1899 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1900 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1901 return AVERROR(EINVAL);
1904 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1905 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1906 ist->file_index, ist->st->index);
1907 return AVERROR(EINVAL);
1909 assert_codec_experimental(ist->st->codec, 0);
1910 assert_avoptions(ist->opts);
1913 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;
1914 ist->next_pts = AV_NOPTS_VALUE;
1920 static int transcode_init(OutputFile *output_files,
1921 int nb_output_files,
1922 InputFile *input_files,
1926 AVFormatContext *os;
1927 AVCodecContext *codec, *icodec;
1934 for (i = 0; i < nb_input_streams; i++)
1935 input_streams[i].start = av_gettime();
1937 /* output stream init */
1938 for(i=0;i<nb_output_files;i++) {
1939 os = output_files[i].ctx;
1940 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1941 av_dump_format(os, i, os->filename, 1);
1942 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1943 return AVERROR(EINVAL);
1947 /* for each output stream, we compute the right encoding parameters */
1948 for (i = 0; i < nb_output_streams; i++) {
1949 ost = &output_streams[i];
1950 os = output_files[ost->file_index].ctx;
1951 ist = &input_streams[ost->source_index];
1953 codec = ost->st->codec;
1954 icodec = ist->st->codec;
1956 ost->st->disposition = ist->st->disposition;
1957 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1958 codec->chroma_sample_location = icodec->chroma_sample_location;
1960 if (ost->st->stream_copy) {
1961 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1963 if (extra_size > INT_MAX) {
1964 return AVERROR(EINVAL);
1967 /* if stream_copy is selected, no need to decode or encode */
1968 codec->codec_id = icodec->codec_id;
1969 codec->codec_type = icodec->codec_type;
1971 if(!codec->codec_tag){
1972 if( !os->oformat->codec_tag
1973 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1974 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1975 codec->codec_tag = icodec->codec_tag;
1978 codec->bit_rate = icodec->bit_rate;
1979 codec->rc_max_rate = icodec->rc_max_rate;
1980 codec->rc_buffer_size = icodec->rc_buffer_size;
1981 codec->extradata= av_mallocz(extra_size);
1982 if (!codec->extradata) {
1983 return AVERROR(ENOMEM);
1985 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1986 codec->extradata_size= icodec->extradata_size;
1988 codec->time_base = ist->st->time_base;
1989 if(!strcmp(os->oformat->name, "avi")) {
1990 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){
1991 codec->time_base = icodec->time_base;
1992 codec->time_base.num *= icodec->ticks_per_frame;
1993 codec->time_base.den *= 2;
1995 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1996 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){
1997 codec->time_base = icodec->time_base;
1998 codec->time_base.num *= icodec->ticks_per_frame;
2001 av_reduce(&codec->time_base.num, &codec->time_base.den,
2002 codec->time_base.num, codec->time_base.den, INT_MAX);
2004 switch(codec->codec_type) {
2005 case AVMEDIA_TYPE_AUDIO:
2006 if(audio_volume != 256) {
2007 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2010 codec->channel_layout = icodec->channel_layout;
2011 codec->sample_rate = icodec->sample_rate;
2012 codec->channels = icodec->channels;
2013 codec->frame_size = icodec->frame_size;
2014 codec->audio_service_type = icodec->audio_service_type;
2015 codec->block_align= icodec->block_align;
2016 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2017 codec->block_align= 0;
2018 if(codec->codec_id == CODEC_ID_AC3)
2019 codec->block_align= 0;
2021 case AVMEDIA_TYPE_VIDEO:
2022 codec->pix_fmt = icodec->pix_fmt;
2023 codec->width = icodec->width;
2024 codec->height = icodec->height;
2025 codec->has_b_frames = icodec->has_b_frames;
2026 if (!codec->sample_aspect_ratio.num) {
2027 codec->sample_aspect_ratio =
2028 ost->st->sample_aspect_ratio =
2029 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2030 ist->st->codec->sample_aspect_ratio.num ?
2031 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2034 case AVMEDIA_TYPE_SUBTITLE:
2035 codec->width = icodec->width;
2036 codec->height = icodec->height;
2038 case AVMEDIA_TYPE_DATA:
2045 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2046 switch(codec->codec_type) {
2047 case AVMEDIA_TYPE_AUDIO:
2048 ost->fifo= av_fifo_alloc(1024);
2050 return AVERROR(ENOMEM);
2052 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2053 if (!codec->sample_rate) {
2054 codec->sample_rate = icodec->sample_rate;
2056 choose_sample_rate(ost->st, ost->enc);
2057 codec->time_base = (AVRational){1, codec->sample_rate};
2058 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2059 codec->sample_fmt = icodec->sample_fmt;
2060 choose_sample_fmt(ost->st, ost->enc);
2061 if (!codec->channels) {
2062 codec->channels = icodec->channels;
2063 codec->channel_layout = icodec->channel_layout;
2065 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2066 codec->channel_layout = 0;
2067 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2068 icodec->request_channels = codec->channels;
2069 ist->decoding_needed = 1;
2070 ost->encoding_needed = 1;
2071 ost->resample_sample_fmt = icodec->sample_fmt;
2072 ost->resample_sample_rate = icodec->sample_rate;
2073 ost->resample_channels = icodec->channels;
2075 case AVMEDIA_TYPE_VIDEO:
2076 if (codec->pix_fmt == PIX_FMT_NONE)
2077 codec->pix_fmt = icodec->pix_fmt;
2078 choose_pixel_fmt(ost->st, ost->enc);
2080 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2081 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2085 if (!codec->width || !codec->height) {
2086 codec->width = icodec->width;
2087 codec->height = icodec->height;
2090 ost->video_resample = codec->width != icodec->width ||
2091 codec->height != icodec->height ||
2092 codec->pix_fmt != icodec->pix_fmt;
2093 if (ost->video_resample) {
2094 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2097 ost->resample_height = icodec->height;
2098 ost->resample_width = icodec->width;
2099 ost->resample_pix_fmt= icodec->pix_fmt;
2100 ost->encoding_needed = 1;
2101 ist->decoding_needed = 1;
2103 if (!ost->frame_rate.num)
2104 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2105 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2106 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2107 ost->frame_rate = ost->enc->supported_framerates[idx];
2109 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2110 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2111 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2112 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2113 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2117 if (configure_video_filters(ist, ost)) {
2118 fprintf(stderr, "Error opening filters!\n");
2123 case AVMEDIA_TYPE_SUBTITLE:
2124 ost->encoding_needed = 1;
2125 ist->decoding_needed = 1;
2132 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2133 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2134 char logfilename[1024];
2137 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2138 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2140 if (codec->flags & CODEC_FLAG_PASS1) {
2141 f = fopen(logfilename, "wb");
2143 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2149 size_t logbuffer_size;
2150 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2151 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2154 codec->stats_in = logbuffer;
2158 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2159 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2160 int size= codec->width * codec->height;
2161 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2166 bit_buffer = av_malloc(bit_buffer_size);
2168 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2170 return AVERROR(ENOMEM);
2173 /* open each encoder */
2174 for (i = 0; i < nb_output_streams; i++) {
2175 ost = &output_streams[i];
2176 if (ost->encoding_needed) {
2177 AVCodec *codec = ost->enc;
2178 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2180 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2181 ost->st->codec->codec_id, ost->file_index, ost->index);
2182 ret = AVERROR(EINVAL);
2185 if (dec->subtitle_header) {
2186 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2187 if (!ost->st->codec->subtitle_header) {
2188 ret = AVERROR(ENOMEM);
2191 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2192 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2194 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2195 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2196 ost->file_index, ost->index);
2197 ret = AVERROR(EINVAL);
2200 assert_codec_experimental(ost->st->codec, 1);
2201 assert_avoptions(ost->opts);
2202 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2203 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2204 "It takes bits/s as argument, not kbits/s\n");
2205 extra_size += ost->st->codec->extradata_size;
2209 /* init input streams */
2210 for (i = 0; i < nb_input_streams; i++)
2211 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2214 /* open files and write file headers */
2215 for (i = 0; i < nb_output_files; i++) {
2216 os = output_files[i].ctx;
2217 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2218 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2219 ret = AVERROR(EINVAL);
2222 // assert_avoptions(output_files[i].opts);
2223 if (strcmp(os->oformat->name, "rtp")) {
2229 /* dump the file output parameters - cannot be done before in case
2231 for(i=0;i<nb_output_files;i++) {
2232 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2235 /* dump the stream mapping */
2237 fprintf(stderr, "Stream mapping:\n");
2238 for (i = 0; i < nb_output_streams;i ++) {
2239 ost = &output_streams[i];
2240 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2241 input_streams[ost->source_index].file_index,
2242 input_streams[ost->source_index].st->index,
2245 if (ost->sync_ist != &input_streams[ost->source_index])
2246 fprintf(stderr, " [sync #%d.%d]",
2247 ost->sync_ist->file_index,
2248 ost->sync_ist->st->index);
2249 if (ost->st->stream_copy)
2250 fprintf(stderr, " (copy)");
2252 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2253 input_streams[ost->source_index].dec->name : "?",
2254 ost->enc ? ost->enc->name : "?");
2255 fprintf(stderr, "\n");
2260 fprintf(stderr, "%s\n", error);
2265 print_sdp(output_files, nb_output_files);
2272 * The following code is the main loop of the file converter
2274 static int transcode(OutputFile *output_files,
2275 int nb_output_files,
2276 InputFile *input_files,
2280 AVFormatContext *is, *os;
2284 int no_packet_count=0;
2285 int64_t timer_start;
2288 if (!(no_packet = av_mallocz(nb_input_files)))
2291 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2297 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2298 avio_set_interrupt_cb(decode_interrupt_cb);
2302 timer_start = av_gettime();
2304 for(; received_sigterm == 0;) {
2305 int file_index, ist_index;
2311 ipts_min = INT64_MAX;
2313 /* if 'q' pressed, exits */
2317 /* read_key() returns 0 on EOF */
2321 if (key == '+') verbose++;
2322 if (key == '-') verbose--;
2323 if (key == 's') qp_hist ^= 1;
2326 do_hex_dump = do_pkt_dump = 0;
2327 } else if(do_pkt_dump){
2331 av_log_set_level(AV_LOG_DEBUG);
2333 if (key == 'd' || key == 'D'){
2336 debug = input_streams[0].st->codec->debug<<1;
2337 if(!debug) debug = 1;
2338 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2341 scanf("%d", &debug);
2342 for(i=0;i<nb_input_streams;i++) {
2343 input_streams[i].st->codec->debug = debug;
2345 for(i=0;i<nb_output_streams;i++) {
2346 ost = &output_streams[i];
2347 ost->st->codec->debug = debug;
2349 if(debug) av_log_set_level(AV_LOG_DEBUG);
2350 fprintf(stderr,"debug=%d\n", debug);
2353 fprintf(stderr, "key function\n"
2354 "? show this help\n"
2355 "+ increase verbosity\n"
2356 "- decrease verbosity\n"
2357 "D cycle through available debug modes\n"
2358 "h dump packets/hex press to cycle through the 3 states\n"
2360 "s Show QP histogram\n"
2365 /* select the stream that we must read now by looking at the
2366 smallest output pts */
2368 for (i = 0; i < nb_output_streams; i++) {
2372 ost = &output_streams[i];
2373 of = &output_files[ost->file_index];
2374 os = output_files[ost->file_index].ctx;
2375 ist = &input_streams[ost->source_index];
2376 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2377 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2379 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2381 if (!input_files[ist->file_index].eof_reached){
2382 if(ipts < ipts_min) {
2384 if(input_sync ) file_index = ist->file_index;
2386 if(opts < opts_min) {
2388 if(!input_sync) file_index = ist->file_index;
2391 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2396 /* if none, if is finished */
2397 if (file_index < 0) {
2398 if(no_packet_count){
2400 memset(no_packet, 0, nb_input_files);
2407 /* read a frame from it and output it in the fifo */
2408 is = input_files[file_index].ctx;
2409 ret= av_read_frame(is, &pkt);
2410 if(ret == AVERROR(EAGAIN)){
2411 no_packet[file_index]=1;
2416 input_files[file_index].eof_reached = 1;
2424 memset(no_packet, 0, nb_input_files);
2427 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2428 is->streams[pkt.stream_index]);
2430 /* the following test is needed in case new streams appear
2431 dynamically in stream : we ignore them */
2432 if (pkt.stream_index >= input_files[file_index].nb_streams)
2433 goto discard_packet;
2434 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2435 ist = &input_streams[ist_index];
2437 goto discard_packet;
2439 if (pkt.dts != AV_NOPTS_VALUE)
2440 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2441 if (pkt.pts != AV_NOPTS_VALUE)
2442 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2444 if (ist->ts_scale) {
2445 if(pkt.pts != AV_NOPTS_VALUE)
2446 pkt.pts *= ist->ts_scale;
2447 if(pkt.dts != AV_NOPTS_VALUE)
2448 pkt.dts *= ist->ts_scale;
2451 // 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);
2452 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2453 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2454 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2455 int64_t delta= pkt_dts - ist->next_pts;
2456 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2457 input_files[ist->file_index].ts_offset -= delta;
2459 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2460 delta, input_files[ist->file_index].ts_offset);
2461 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2462 if(pkt.pts != AV_NOPTS_VALUE)
2463 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2467 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2468 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2471 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2472 ist->file_index, ist->st->index);
2475 av_free_packet(&pkt);
2480 av_free_packet(&pkt);
2482 /* dump report by using the output first video and audio streams */
2483 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2486 /* at the end of stream, we must flush the decoder buffers */
2487 for (i = 0; i < nb_input_streams; i++) {
2488 ist = &input_streams[i];
2489 if (ist->decoding_needed) {
2490 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2493 flush_encoders(output_streams, nb_output_streams);
2497 /* write the trailer if needed and close file */
2498 for(i=0;i<nb_output_files;i++) {
2499 os = output_files[i].ctx;
2500 av_write_trailer(os);
2503 /* dump report by using the first video and audio streams */
2504 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2506 /* close each encoder */
2507 for (i = 0; i < nb_output_streams; i++) {
2508 ost = &output_streams[i];
2509 if (ost->encoding_needed) {
2510 av_freep(&ost->st->codec->stats_in);
2511 avcodec_close(ost->st->codec);
2514 avfilter_graph_free(&ost->graph);
2518 /* close each decoder */
2519 for (i = 0; i < nb_input_streams; i++) {
2520 ist = &input_streams[i];
2521 if (ist->decoding_needed) {
2522 avcodec_close(ist->st->codec);
2530 av_freep(&bit_buffer);
2531 av_freep(&no_packet);
2533 if (output_streams) {
2534 for (i = 0; i < nb_output_streams; i++) {
2535 ost = &output_streams[i];
2537 if (ost->st->stream_copy)
2538 av_freep(&ost->st->codec->extradata);
2540 fclose(ost->logfile);
2541 ost->logfile = NULL;
2543 av_fifo_free(ost->fifo); /* works even if fifo is not
2544 initialized but set to zero */
2545 av_freep(&ost->st->codec->subtitle_header);
2546 av_free(ost->resample_frame.data[0]);
2547 av_free(ost->forced_kf_pts);
2548 if (ost->video_resample)
2549 sws_freeContext(ost->img_resample_ctx);
2551 audio_resample_close(ost->resample);
2552 if (ost->reformat_ctx)
2553 av_audio_convert_free(ost->reformat_ctx);
2554 av_dict_free(&ost->opts);
2561 static int opt_format(const char *opt, const char *arg)
2563 last_asked_format = arg;
2567 static int opt_video_rc_override_string(const char *opt, const char *arg)
2569 video_rc_override_string = arg;
2573 static int opt_me_threshold(const char *opt, const char *arg)
2575 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2579 static int opt_verbose(const char *opt, const char *arg)
2581 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2585 static int opt_frame_rate(const char *opt, const char *arg)
2587 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2588 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2594 static int opt_frame_crop(const char *opt, const char *arg)
2596 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2597 return AVERROR(EINVAL);
2600 static int opt_frame_size(const char *opt, const char *arg)
2602 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2603 fprintf(stderr, "Incorrect frame size\n");
2604 return AVERROR(EINVAL);
2609 static int opt_pad(const char *opt, const char *arg) {
2610 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2614 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2616 if (strcmp(arg, "list")) {
2617 frame_pix_fmt = av_get_pix_fmt(arg);
2618 if (frame_pix_fmt == PIX_FMT_NONE) {
2619 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2620 return AVERROR(EINVAL);
2623 opt_pix_fmts(NULL, NULL);
2629 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2636 p = strchr(arg, ':');
2638 x = strtol(arg, &end, 10);
2640 y = strtol(end+1, &end, 10);
2642 ar = (double)x / (double)y;
2644 ar = strtod(arg, NULL);
2647 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2648 return AVERROR(EINVAL);
2650 frame_aspect_ratio = ar;
2654 static int opt_metadata(const char *opt, const char *arg)
2656 char *mid= strchr(arg, '=');
2659 fprintf(stderr, "Missing =\n");
2664 av_dict_set(&metadata, arg, mid, 0);
2669 static int opt_qscale(const char *opt, const char *arg)
2671 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2672 if (video_qscale <= 0 || video_qscale > 255) {
2673 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2674 return AVERROR(EINVAL);
2679 static int opt_top_field_first(const char *opt, const char *arg)
2681 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2682 return opt_default(opt, arg);
2685 static int opt_thread_count(const char *opt, const char *arg)
2687 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2690 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2695 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2697 if (strcmp(arg, "list")) {
2698 audio_sample_fmt = av_get_sample_fmt(arg);
2699 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2700 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2701 return AVERROR(EINVAL);
2706 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2707 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2713 static int opt_audio_rate(const char *opt, const char *arg)
2715 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2719 static int opt_audio_channels(const char *opt, const char *arg)
2721 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2725 static int opt_codec(const char *opt, const char *arg)
2727 return av_dict_set(&codec_names, opt, arg, 0);
2730 static int opt_audio_codec(const char *opt, const char *arg)
2732 return opt_codec("codec:a", arg);
2735 static int opt_video_codec(const char *opt, const char *arg)
2737 return opt_codec("codec:v", arg);
2740 static int opt_subtitle_codec(const char *opt, const char *arg)
2742 return opt_codec("codec:s", arg);
2745 static int opt_data_codec(const char *opt, const char *arg)
2747 return opt_codec("codec:d", arg);
2750 static int opt_codec_tag(const char *opt, const char *arg)
2753 uint32_t *codec_tag;
2755 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2756 !strcmp(opt, "vtag") ? &video_codec_tag :
2757 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2761 *codec_tag = strtol(arg, &tail, 0);
2763 *codec_tag = AV_RL32(arg);
2768 static int opt_map(const char *opt, const char *arg)
2770 StreamMap *m = NULL;
2771 int i, negative = 0, file_idx;
2772 int sync_file_idx = -1, sync_stream_idx;
2780 map = av_strdup(arg);
2782 /* parse sync stream first, just pick first matching stream */
2783 if (sync = strchr(map, ',')) {
2785 sync_file_idx = strtol(sync + 1, &sync, 0);
2786 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2787 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2792 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2793 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2794 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2795 sync_stream_idx = i;
2798 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2799 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2800 "match any streams.\n", arg);
2806 file_idx = strtol(map, &p, 0);
2807 if (file_idx >= nb_input_files || file_idx < 0) {
2808 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2812 /* disable some already defined maps */
2813 for (i = 0; i < nb_stream_maps; i++) {
2814 m = &stream_maps[i];
2815 if (check_stream_specifier(input_files[m->file_index].ctx,
2816 input_files[m->file_index].ctx->streams[m->stream_index],
2817 *p == ':' ? p + 1 : p) > 0)
2821 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2822 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2823 *p == ':' ? p + 1 : p) <= 0)
2825 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2826 m = &stream_maps[nb_stream_maps - 1];
2828 m->file_index = file_idx;
2829 m->stream_index = i;
2831 if (sync_file_idx >= 0) {
2832 m->sync_file_index = sync_file_idx;
2833 m->sync_stream_index = sync_stream_idx;
2835 m->sync_file_index = file_idx;
2836 m->sync_stream_index = i;
2841 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2849 static void parse_meta_type(char *arg, char *type, int *index)
2859 if (*(++arg) == ':')
2860 *index = strtol(++arg, NULL, 0);
2863 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2870 static int opt_map_metadata(const char *opt, const char *arg)
2872 MetadataMap *m, *m1;
2875 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2876 &nb_meta_data_maps, nb_meta_data_maps + 1);
2878 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2879 m->file = strtol(arg, &p, 0);
2880 parse_meta_type(p, &m->type, &m->index);
2882 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2883 if (p = strchr(opt, ':'))
2884 parse_meta_type(p, &m1->type, &m1->index);
2888 if (m->type == 'g' || m1->type == 'g')
2889 metadata_global_autocopy = 0;
2890 if (m->type == 's' || m1->type == 's')
2891 metadata_streams_autocopy = 0;
2892 if (m->type == 'c' || m1->type == 'c')
2893 metadata_chapters_autocopy = 0;
2898 static int opt_input_ts_scale(const char *opt, const char *arg)
2900 return av_dict_set(&ts_scale, opt, arg, 0);
2903 static int opt_recording_time(const char *opt, const char *arg)
2905 recording_time = parse_time_or_die(opt, arg, 1);
2909 static int opt_start_time(const char *opt, const char *arg)
2911 start_time = parse_time_or_die(opt, arg, 1);
2915 static int opt_input_ts_offset(const char *opt, const char *arg)
2917 input_ts_offset = parse_time_or_die(opt, arg, 1);
2921 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2923 const char *codec_string = encoder ? "encoder" : "decoder";
2927 return CODEC_ID_NONE;
2929 avcodec_find_encoder_by_name(name) :
2930 avcodec_find_decoder_by_name(name);
2932 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2935 if(codec->type != type) {
2936 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2942 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2944 AVDictionaryEntry *e = NULL;
2945 char *codec_name = NULL;
2948 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2949 char *p = strchr(e->key, ':');
2951 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2952 codec_name = e->value;
2959 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2960 return avcodec_find_encoder(st->codec->codec_id);
2962 } else if (!strcmp(codec_name, "copy"))
2963 st->stream_copy = 1;
2965 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2966 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2967 avcodec_find_decoder_by_name(codec_name);
2974 * Add all the streams from the given input file to the global
2975 * list of input streams.
2977 static void add_input_streams(AVFormatContext *ic)
2979 int i, rfps, rfps_base, ret;
2981 for (i = 0; i < ic->nb_streams; i++) {
2982 AVStream *st = ic->streams[i];
2983 AVCodecContext *dec = st->codec;
2984 AVDictionaryEntry *e = NULL;
2988 dec->thread_count = thread_count;
2990 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2991 ist = &input_streams[nb_input_streams - 1];
2993 ist->file_index = nb_input_files;
2995 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2997 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2998 char *p = strchr(e->key, ':');
3000 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3006 ist->ts_scale = strtod(scale, NULL);
3008 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3010 ist->dec = avcodec_find_decoder(dec->codec_id);
3012 switch (dec->codec_type) {
3013 case AVMEDIA_TYPE_AUDIO:
3015 ist->dec = avcodec_find_decoder(dec->codec_id);
3017 st->discard= AVDISCARD_ALL;
3019 case AVMEDIA_TYPE_VIDEO:
3021 ist->dec = avcodec_find_decoder(dec->codec_id);
3022 rfps = ic->streams[i]->r_frame_rate.num;
3023 rfps_base = ic->streams[i]->r_frame_rate.den;
3025 dec->flags |= CODEC_FLAG_EMU_EDGE;
3028 dec->debug |= FF_DEBUG_MV;
3030 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3033 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3034 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3036 (float)rfps / rfps_base, rfps, rfps_base);
3040 st->discard= AVDISCARD_ALL;
3041 else if(video_discard)
3042 st->discard= video_discard;
3044 case AVMEDIA_TYPE_DATA:
3046 case AVMEDIA_TYPE_SUBTITLE:
3048 ist->dec = avcodec_find_decoder(dec->codec_id);
3049 if(subtitle_disable)
3050 st->discard = AVDISCARD_ALL;
3052 case AVMEDIA_TYPE_ATTACHMENT:
3053 case AVMEDIA_TYPE_UNKNOWN:
3061 static int opt_input_file(const char *opt, const char *filename)
3063 AVFormatContext *ic;
3064 AVInputFormat *file_iformat = NULL;
3068 AVDictionary **opts;
3069 int orig_nb_streams; // number of streams before avformat_find_stream_info
3071 if (last_asked_format) {
3072 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3073 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3076 last_asked_format = NULL;
3079 if (!strcmp(filename, "-"))
3082 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3083 !strcmp(filename, "/dev/stdin");
3085 /* get default parameters from command line */
3086 ic = avformat_alloc_context();
3088 print_error(filename, AVERROR(ENOMEM));
3091 if (audio_sample_rate) {
3092 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3093 av_dict_set(&format_opts, "sample_rate", buf, 0);
3095 if (audio_channels) {
3096 snprintf(buf, sizeof(buf), "%d", audio_channels);
3097 av_dict_set(&format_opts, "channels", buf, 0);
3099 if (frame_rate.num) {
3100 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3101 av_dict_set(&format_opts, "framerate", buf, 0);
3103 if (frame_width && frame_height) {
3104 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3105 av_dict_set(&format_opts, "video_size", buf, 0);
3107 if (frame_pix_fmt != PIX_FMT_NONE)
3108 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3110 ic->flags |= AVFMT_FLAG_NONBLOCK;
3112 /* open the input file with generic libav function */
3113 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3115 print_error(filename, err);
3118 assert_avoptions(format_opts);
3123 for(i=0; i<ic->nb_streams; i++){
3124 ic->streams[i]->discard= AVDISCARD_ALL;
3126 for(i=0; i<ic->nb_programs; i++){
3127 AVProgram *p= ic->programs[i];
3128 if(p->id != opt_programid){
3129 p->discard = AVDISCARD_ALL;
3132 for(j=0; j<p->nb_stream_indexes; j++){
3133 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3138 fprintf(stderr, "Specified program id not found\n");
3144 /* apply forced codec ids */
3145 for (i = 0; i < ic->nb_streams; i++)
3146 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3148 /* Set AVCodecContext options for avformat_find_stream_info */
3149 opts = setup_find_stream_info_opts(ic, codec_opts);
3150 orig_nb_streams = ic->nb_streams;
3152 /* If not enough info to get the stream parameters, we decode the
3153 first frames to get it. (used in mpeg case for example) */
3154 ret = avformat_find_stream_info(ic, opts);
3155 if (ret < 0 && verbose >= 0) {
3156 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3157 av_close_input_file(ic);
3161 timestamp = start_time;
3162 /* add the stream start time */
3163 if (ic->start_time != AV_NOPTS_VALUE)
3164 timestamp += ic->start_time;
3166 /* if seeking requested, we execute it */
3167 if (start_time != 0) {
3168 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3170 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3171 filename, (double)timestamp / AV_TIME_BASE);
3173 /* reset seek info */
3177 /* update the current parameters so that they match the one of the input stream */
3178 add_input_streams(ic);
3180 /* dump the file content */
3182 av_dump_format(ic, nb_input_files, filename, 0);
3184 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3185 input_files[nb_input_files - 1].ctx = ic;
3186 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3187 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3188 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3190 top_field_first = -1;
3191 frame_rate = (AVRational){0, 0};
3192 frame_pix_fmt = PIX_FMT_NONE;
3195 audio_sample_rate = 0;
3197 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3198 av_dict_free(&ts_scale);
3199 input_ts_offset = 0;
3201 for (i = 0; i < orig_nb_streams; i++)
3202 av_dict_free(&opts[i]);
3204 av_dict_free(&codec_names);
3210 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3211 AVCodecContext *avctx)
3217 for (p = kf; *p; p++)
3220 ost->forced_kf_count = n;
3221 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3222 if (!ost->forced_kf_pts) {
3223 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3226 for (i = 0; i < n; i++) {
3227 p = i ? strchr(p, ',') + 1 : kf;
3228 t = parse_time_or_die("force_key_frames", p, 1);
3229 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3233 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3236 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3237 int idx = oc->nb_streams - 1;
3240 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3244 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3245 nb_output_streams + 1);
3246 ost = &output_streams[nb_output_streams - 1];
3247 ost->file_index = nb_output_files;
3250 st->codec->codec_type = type;
3251 ost->enc = choose_codec(oc, st, type, codec_names);
3253 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3256 avcodec_get_context_defaults3(st->codec, ost->enc);
3257 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3259 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3263 static OutputStream *new_video_stream(AVFormatContext *oc)
3267 AVCodecContext *video_enc;
3269 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3271 if (!st->stream_copy) {
3272 ost->frame_aspect_ratio = frame_aspect_ratio;
3273 frame_aspect_ratio = 0;
3275 ost->avfilter = vfilters;
3280 ost->bitstream_filters = video_bitstream_filters;
3281 video_bitstream_filters= NULL;
3283 st->codec->thread_count= thread_count;
3285 video_enc = st->codec;
3288 video_enc->codec_tag= video_codec_tag;
3290 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3291 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3294 if (st->stream_copy) {
3295 video_enc->sample_aspect_ratio =
3296 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3302 ost->frame_rate = frame_rate;
3304 video_enc->width = frame_width;
3305 video_enc->height = frame_height;
3306 video_enc->pix_fmt = frame_pix_fmt;
3307 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3308 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3310 if (video_qscale || same_quant) {
3311 video_enc->flags |= CODEC_FLAG_QSCALE;
3312 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3316 video_enc->intra_matrix = intra_matrix;
3318 video_enc->inter_matrix = inter_matrix;
3320 p= video_rc_override_string;
3323 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3325 fprintf(stderr, "error parsing rc_override\n");
3328 video_enc->rc_override=
3329 av_realloc(video_enc->rc_override,
3330 sizeof(RcOverride)*(i+1));
3331 video_enc->rc_override[i].start_frame= start;
3332 video_enc->rc_override[i].end_frame = end;
3334 video_enc->rc_override[i].qscale= q;
3335 video_enc->rc_override[i].quality_factor= 1.0;
3338 video_enc->rc_override[i].qscale= 0;
3339 video_enc->rc_override[i].quality_factor= -q/100.0;
3344 video_enc->rc_override_count=i;
3345 if (!video_enc->rc_initial_buffer_occupancy)
3346 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3347 video_enc->me_threshold= me_threshold;
3348 video_enc->intra_dc_precision= intra_dc_precision - 8;
3351 video_enc->flags|= CODEC_FLAG_PSNR;
3356 video_enc->flags |= CODEC_FLAG_PASS1;
3358 video_enc->flags |= CODEC_FLAG_PASS2;
3362 if (forced_key_frames)
3363 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3365 if (video_language) {
3366 av_dict_set(&st->metadata, "language", video_language, 0);
3367 av_freep(&video_language);
3370 /* reset some key parameters */
3372 av_freep(&forced_key_frames);
3373 frame_pix_fmt = PIX_FMT_NONE;
3377 static OutputStream *new_audio_stream(AVFormatContext *oc)
3381 AVCodecContext *audio_enc;
3383 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3386 ost->bitstream_filters = audio_bitstream_filters;
3387 audio_bitstream_filters= NULL;
3389 st->codec->thread_count= thread_count;
3391 audio_enc = st->codec;
3392 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3395 audio_enc->codec_tag= audio_codec_tag;
3397 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3398 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3400 if (!st->stream_copy) {
3401 if (audio_qscale > QSCALE_NONE) {
3402 audio_enc->flags |= CODEC_FLAG_QSCALE;
3403 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3406 audio_enc->channels = audio_channels;
3407 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3408 audio_enc->sample_fmt = audio_sample_fmt;
3409 if (audio_sample_rate)
3410 audio_enc->sample_rate = audio_sample_rate;
3412 if (audio_language) {
3413 av_dict_set(&st->metadata, "language", audio_language, 0);
3414 av_freep(&audio_language);
3417 /* reset some key parameters */
3423 static OutputStream *new_data_stream(AVFormatContext *oc)
3427 AVCodecContext *data_enc;
3429 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3431 data_enc = st->codec;
3432 if (!st->stream_copy) {
3433 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3438 data_enc->codec_tag= data_codec_tag;
3440 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3441 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3448 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3452 AVCodecContext *subtitle_enc;
3454 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3456 subtitle_enc = st->codec;
3458 ost->bitstream_filters = subtitle_bitstream_filters;
3459 subtitle_bitstream_filters= NULL;
3461 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3463 if(subtitle_codec_tag)
3464 subtitle_enc->codec_tag= subtitle_codec_tag;
3466 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3467 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3470 if (subtitle_language) {
3471 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3472 av_freep(&subtitle_language);
3475 subtitle_disable = 0;
3479 /* arg format is "output-stream-index:streamid-value". */
3480 static int opt_streamid(const char *opt, const char *arg)
3486 av_strlcpy(idx_str, arg, sizeof(idx_str));
3487 p = strchr(idx_str, ':');
3490 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3495 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3496 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3497 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3501 static int copy_chapters(int infile, int outfile)
3503 AVFormatContext *is = input_files[infile].ctx;
3504 AVFormatContext *os = output_files[outfile].ctx;
3507 for (i = 0; i < is->nb_chapters; i++) {
3508 AVChapter *in_ch = is->chapters[i], *out_ch;
3509 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3510 AV_TIME_BASE_Q, in_ch->time_base);
3511 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3512 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3515 if (in_ch->end < ts_off)
3517 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3520 out_ch = av_mallocz(sizeof(AVChapter));
3522 return AVERROR(ENOMEM);
3524 out_ch->id = in_ch->id;
3525 out_ch->time_base = in_ch->time_base;
3526 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3527 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3529 if (metadata_chapters_autocopy)
3530 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3533 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3535 return AVERROR(ENOMEM);
3536 os->chapters[os->nb_chapters - 1] = out_ch;
3541 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3544 AVFormatContext *ic = NULL;
3546 err = avformat_open_input(&ic, filename, NULL, NULL);
3549 /* copy stream format */
3550 for(i=0;i<ic->nb_streams;i++) {
3555 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3556 ost = new_output_stream(s, codec->type);
3559 // FIXME: a more elegant solution is needed
3560 memcpy(st, ic->streams[i], sizeof(AVStream));
3561 st->info = av_malloc(sizeof(*st->info));
3562 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3563 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3565 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3566 choose_sample_fmt(st, codec);
3567 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3568 choose_pixel_fmt(st, codec);
3571 av_close_input_file(ic);
3575 static int opt_output_file(const char *opt, const char *filename)
3577 AVFormatContext *oc;
3579 AVOutputFormat *file_oformat;
3583 if (!strcmp(filename, "-"))
3586 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3587 last_asked_format = NULL;
3589 print_error(filename, err);
3593 file_oformat= oc->oformat;
3595 if (!strcmp(file_oformat->name, "ffm") &&
3596 av_strstart(filename, "http:", NULL)) {
3597 /* special case for files sent to ffserver: we get the stream
3598 parameters from ffserver */
3599 int err = read_ffserver_streams(oc, filename);
3601 print_error(filename, err);
3604 } else if (!nb_stream_maps) {
3605 /* pick the "best" stream of each type */
3606 #define NEW_STREAM(type, index)\
3608 ost = new_ ## type ## _stream(oc);\
3609 ost->source_index = index;\
3610 ost->sync_ist = &input_streams[index];\
3611 input_streams[index].discard = 0;\
3614 /* video: highest resolution */
3615 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3616 int area = 0, idx = -1;
3617 for (i = 0; i < nb_input_streams; i++) {
3618 ist = &input_streams[i];
3619 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3620 ist->st->codec->width * ist->st->codec->height > area) {
3621 area = ist->st->codec->width * ist->st->codec->height;
3625 NEW_STREAM(video, idx);
3628 /* audio: most channels */
3629 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3630 int channels = 0, idx = -1;
3631 for (i = 0; i < nb_input_streams; i++) {
3632 ist = &input_streams[i];
3633 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3634 ist->st->codec->channels > channels) {
3635 channels = ist->st->codec->channels;
3639 NEW_STREAM(audio, idx);
3642 /* subtitles: pick first */
3643 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3644 for (i = 0; i < nb_input_streams; i++)
3645 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3646 NEW_STREAM(subtitle, i);
3650 /* do something with data? */
3652 for (i = 0; i < nb_stream_maps; i++) {
3653 StreamMap *map = &stream_maps[i];
3658 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3659 switch (ist->st->codec->codec_type) {
3660 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3661 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3662 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3663 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3665 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3666 map->file_index, map->stream_index);
3670 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3671 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3672 map->sync_stream_index];
3677 av_dict_copy(&oc->metadata, metadata, 0);
3678 av_dict_free(&metadata);
3681 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3682 output_files[nb_output_files - 1].ctx = oc;
3683 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3684 output_files[nb_output_files - 1].recording_time = recording_time;
3685 output_files[nb_output_files - 1].start_time = start_time;
3686 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3687 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3689 /* check filename in case of an image number is expected */
3690 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3691 if (!av_filename_number_test(oc->filename)) {
3692 print_error(oc->filename, AVERROR(EINVAL));
3697 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3698 /* test if it already exists to avoid loosing precious files */
3699 if (!file_overwrite &&
3700 (strchr(filename, ':') == NULL ||
3701 filename[1] == ':' ||
3702 av_strstart(filename, "file:", NULL))) {
3703 if (avio_check(filename, 0) == 0) {
3705 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3707 if (!read_yesno()) {
3708 fprintf(stderr, "Not overwriting - exiting\n");
3713 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3720 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3721 print_error(filename, err);
3726 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3727 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3730 if (chapters_input_file >= nb_input_files) {
3731 if (chapters_input_file == INT_MAX) {
3732 /* copy chapters from the first input file that has them*/
3733 chapters_input_file = -1;
3734 for (i = 0; i < nb_input_files; i++)
3735 if (input_files[i].ctx->nb_chapters) {
3736 chapters_input_file = i;
3740 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3741 chapters_input_file);
3745 if (chapters_input_file >= 0)
3746 copy_chapters(chapters_input_file, nb_output_files - 1);
3749 for (i = 0; i < nb_meta_data_maps; i++) {
3750 AVFormatContext *files[2];
3751 AVDictionary **meta[2];
3754 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3755 if ((index) < 0 || (index) >= (nb_elems)) {\
3756 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3761 int in_file_index = meta_data_maps[i][1].file;
3762 if (in_file_index < 0)
3764 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3767 files[1] = input_files[in_file_index].ctx;
3769 for (j = 0; j < 2; j++) {
3770 MetadataMap *map = &meta_data_maps[i][j];
3772 switch (map->type) {
3774 meta[j] = &files[j]->metadata;
3777 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3778 meta[j] = &files[j]->streams[map->index]->metadata;
3781 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3782 meta[j] = &files[j]->chapters[map->index]->metadata;
3785 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3786 meta[j] = &files[j]->programs[map->index]->metadata;
3791 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3794 /* copy global metadata by default */
3795 if (metadata_global_autocopy && nb_input_files)
3796 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3797 AV_DICT_DONT_OVERWRITE);
3798 if (metadata_streams_autocopy)
3799 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3800 InputStream *ist = &input_streams[output_streams[i].source_index];
3801 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3804 frame_rate = (AVRational){0, 0};
3807 audio_sample_rate = 0;
3809 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3810 chapters_input_file = INT_MAX;
3811 recording_time = INT64_MAX;
3813 limit_filesize = UINT64_MAX;
3815 av_freep(&meta_data_maps);
3816 nb_meta_data_maps = 0;
3817 metadata_global_autocopy = 1;
3818 metadata_streams_autocopy = 1;
3819 metadata_chapters_autocopy = 1;
3820 av_freep(&stream_maps);
3822 av_freep(&streamid_map);
3823 nb_streamid_map = 0;
3825 av_dict_free(&codec_names);
3827 av_freep(&forced_key_frames);
3833 /* same option as mencoder */
3834 static int opt_pass(const char *opt, const char *arg)
3836 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3840 static int64_t getutime(void)
3843 struct rusage rusage;
3845 getrusage(RUSAGE_SELF, &rusage);
3846 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3847 #elif HAVE_GETPROCESSTIMES
3849 FILETIME c, e, k, u;
3850 proc = GetCurrentProcess();
3851 GetProcessTimes(proc, &c, &e, &k, &u);
3852 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3854 return av_gettime();
3858 static int64_t getmaxrss(void)
3860 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3861 struct rusage rusage;
3862 getrusage(RUSAGE_SELF, &rusage);
3863 return (int64_t)rusage.ru_maxrss * 1024;
3864 #elif HAVE_GETPROCESSMEMORYINFO
3866 PROCESS_MEMORY_COUNTERS memcounters;
3867 proc = GetCurrentProcess();
3868 memcounters.cb = sizeof(memcounters);
3869 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3870 return memcounters.PeakPagefileUsage;
3876 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3879 const char *p = str;
3886 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3893 static int opt_inter_matrix(const char *opt, const char *arg)
3895 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3896 parse_matrix_coeffs(inter_matrix, arg);
3900 static int opt_intra_matrix(const char *opt, const char *arg)
3902 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3903 parse_matrix_coeffs(intra_matrix, arg);
3907 static void show_usage(void)
3909 printf("Hyper fast Audio and Video encoder\n");
3910 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3914 static int opt_help(const char *opt, const char *arg)
3917 AVOutputFormat *oformat = NULL;
3918 AVInputFormat *iformat = NULL;
3920 av_log_set_callback(log_callback_help);
3922 show_help_options(options, "Main options:\n",
3923 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3924 show_help_options(options, "\nAdvanced options:\n",
3925 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3927 show_help_options(options, "\nVideo options:\n",
3928 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3930 show_help_options(options, "\nAdvanced Video options:\n",
3931 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3932 OPT_VIDEO | OPT_EXPERT);
3933 show_help_options(options, "\nAudio options:\n",
3934 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3936 show_help_options(options, "\nAdvanced Audio options:\n",
3937 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3938 OPT_AUDIO | OPT_EXPERT);
3939 show_help_options(options, "\nSubtitle options:\n",
3940 OPT_SUBTITLE | OPT_GRAB,
3942 show_help_options(options, "\nAudio/Video grab options:\n",
3946 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3949 /* individual codec options */
3951 while ((c = av_codec_next(c))) {
3952 if (c->priv_class) {
3953 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3958 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3961 /* individual muxer options */
3962 while ((oformat = av_oformat_next(oformat))) {
3963 if (oformat->priv_class) {
3964 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3969 /* individual demuxer options */
3970 while ((iformat = av_iformat_next(iformat))) {
3971 if (iformat->priv_class) {
3972 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3977 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3981 static int opt_target(const char *opt, const char *arg)
3983 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3984 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3986 if(!strncmp(arg, "pal-", 4)) {
3989 } else if(!strncmp(arg, "ntsc-", 5)) {
3992 } else if(!strncmp(arg, "film-", 5)) {
3997 /* Calculate FR via float to avoid int overflow */
3998 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4001 } else if((fr == 29970) || (fr == 23976)) {
4004 /* Try to determine PAL/NTSC by peeking in the input files */
4005 if(nb_input_files) {
4007 for (j = 0; j < nb_input_files; j++) {
4008 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4009 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4010 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4012 fr = c->time_base.den * 1000 / c->time_base.num;
4016 } else if((fr == 29970) || (fr == 23976)) {
4026 if(verbose > 0 && norm != UNKNOWN)
4027 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4030 if(norm == UNKNOWN) {
4031 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4032 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4033 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4037 if(!strcmp(arg, "vcd")) {
4038 opt_codec("c:v", "mpeg1video");
4039 opt_codec("c:a", "mp2");
4040 opt_format("f", "vcd");
4042 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4043 opt_frame_rate("r", frame_rates[norm]);
4044 opt_default("g", norm == PAL ? "15" : "18");
4046 opt_default("b", "1150000");
4047 opt_default("maxrate", "1150000");
4048 opt_default("minrate", "1150000");
4049 opt_default("bufsize", "327680"); // 40*1024*8;
4051 opt_default("b:a", "224000");
4052 audio_sample_rate = 44100;
4055 opt_default("packetsize", "2324");
4056 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4058 /* We have to offset the PTS, so that it is consistent with the SCR.
4059 SCR starts at 36000, but the first two packs contain only padding
4060 and the first pack from the other stream, respectively, may also have
4061 been written before.
4062 So the real data starts at SCR 36000+3*1200. */
4063 mux_preload= (36000+3*1200) / 90000.0; //0.44
4064 } else if(!strcmp(arg, "svcd")) {
4066 opt_codec("c:v", "mpeg2video");
4067 opt_codec("c:a", "mp2");
4068 opt_format("f", "svcd");
4070 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4071 opt_frame_rate("r", frame_rates[norm]);
4072 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4073 opt_default("g", norm == PAL ? "15" : "18");
4075 opt_default("b", "2040000");
4076 opt_default("maxrate", "2516000");
4077 opt_default("minrate", "0"); //1145000;
4078 opt_default("bufsize", "1835008"); //224*1024*8;
4079 opt_default("flags", "+scan_offset");
4082 opt_default("b:a", "224000");
4083 audio_sample_rate = 44100;
4085 opt_default("packetsize", "2324");
4087 } else if(!strcmp(arg, "dvd")) {
4089 opt_codec("c:v", "mpeg2video");
4090 opt_codec("c:a", "ac3");
4091 opt_format("f", "dvd");
4093 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4094 opt_frame_rate("r", frame_rates[norm]);
4095 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4096 opt_default("g", norm == PAL ? "15" : "18");
4098 opt_default("b", "6000000");
4099 opt_default("maxrate", "9000000");
4100 opt_default("minrate", "0"); //1500000;
4101 opt_default("bufsize", "1835008"); //224*1024*8;
4103 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4104 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4106 opt_default("b:a", "448000");
4107 audio_sample_rate = 48000;
4109 } else if(!strncmp(arg, "dv", 2)) {
4111 opt_format("f", "dv");
4113 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4114 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4115 norm == PAL ? "yuv420p" : "yuv411p");
4116 opt_frame_rate("r", frame_rates[norm]);
4118 audio_sample_rate = 48000;
4122 fprintf(stderr, "Unknown target: %s\n", arg);
4123 return AVERROR(EINVAL);
4128 static int opt_vstats_file(const char *opt, const char *arg)
4130 av_free (vstats_filename);
4131 vstats_filename=av_strdup (arg);
4135 static int opt_vstats(const char *opt, const char *arg)
4138 time_t today2 = time(NULL);
4139 struct tm *today = localtime(&today2);
4141 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4143 return opt_vstats_file(opt, filename);
4146 static int opt_bsf(const char *opt, const char *arg)
4148 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4149 AVBitStreamFilterContext **bsfp;
4152 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4156 bsfp= *opt == 'v' ? &video_bitstream_filters :
4157 *opt == 'a' ? &audio_bitstream_filters :
4158 &subtitle_bitstream_filters;
4160 bsfp= &(*bsfp)->next;
4167 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4171 static int opt_passlogfile(const char *opt, const char *arg)
4173 pass_logfilename_prefix = arg;
4174 #if CONFIG_LIBX264_ENCODER
4175 return opt_default("passlogfile", arg);
4181 static const OptionDef options[] = {
4183 #include "cmdutils_common_opts.h"
4184 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4185 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4186 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4187 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4188 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4189 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4190 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4191 "outfile[,metadata]:infile[,metadata]" },
4192 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4193 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4194 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4195 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4196 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4197 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4198 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4199 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4200 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4201 "add timings for benchmarking" },
4202 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4203 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4204 "dump each input packet" },
4205 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4206 "when dumping packets, also dump the payload" },
4207 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4208 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4209 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4210 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4211 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4212 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4213 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4214 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4215 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4216 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4217 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4218 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4219 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4220 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4223 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4224 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4225 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4226 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4227 { "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" },
4228 { "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" },
4229 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4230 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4231 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4232 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4233 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4234 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4235 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4236 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4237 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4238 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4239 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4240 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4241 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4242 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4243 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4244 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4245 "use same quantizer as source (implies VBR)" },
4246 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4247 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4248 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4249 "deinterlace pictures" },
4250 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4251 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4252 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4254 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4256 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4257 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4258 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4259 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4260 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4261 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4262 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4263 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4264 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4265 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4268 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4269 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4270 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4271 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4272 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4273 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4274 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4275 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4276 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4277 { "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" },
4279 /* subtitle options */
4280 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4281 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4282 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4283 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4286 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4289 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4290 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4292 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4293 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4294 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4296 /* data codec support */
4297 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4299 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4303 int main(int argc, char **argv)
4307 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4309 if(argc>1 && !strcmp(argv[1], "-d")){
4312 av_log_set_callback(log_callback_null);
4317 avcodec_register_all();
4319 avdevice_register_all();
4322 avfilter_register_all();
4327 if(isatty(STDIN_FILENO))
4328 avio_set_interrupt_cb(decode_interrupt_cb);
4337 parse_options(argc, argv, options, opt_output_file);
4339 if(nb_output_files <= 0 && nb_input_files == 0) {
4341 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4345 /* file converter / grab */
4346 if (nb_output_files <= 0) {
4347 fprintf(stderr, "At least one output file must be specified\n");
4351 if (nb_input_files == 0) {
4352 fprintf(stderr, "At least one input file must be specified\n");
4357 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4359 ti = getutime() - ti;
4361 int maxrss = getmaxrss() / 1024;
4362 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4365 return exit_program(0);