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 *out_picture = in_picture;
1079 resample_changed = ost->resample_width != dec->width ||
1080 ost->resample_height != dec->height ||
1081 ost->resample_pix_fmt != dec->pix_fmt;
1083 #if !CONFIG_AVFILTER
1084 if (resample_changed) {
1085 av_log(NULL, AV_LOG_INFO,
1086 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1087 ist->file_index, ist->st->index,
1088 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1089 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1090 ost->resample_width = dec->width;
1091 ost->resample_height = dec->height;
1092 ost->resample_pix_fmt = dec->pix_fmt;
1095 ost->video_resample = dec->width != enc->width ||
1096 dec->height != enc->height ||
1097 dec->pix_fmt != enc->pix_fmt;
1099 if (ost->video_resample) {
1100 *out_picture = &ost->resample_frame;
1101 if (!ost->img_resample_ctx || resample_changed) {
1102 /* initialize the destination picture */
1103 if (!ost->resample_frame.data[0]) {
1104 avcodec_get_frame_defaults(&ost->resample_frame);
1105 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1106 enc->width, enc->height)) {
1107 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1111 /* initialize a new scaler context */
1112 sws_freeContext(ost->img_resample_ctx);
1113 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1114 enc->width, enc->height, enc->pix_fmt,
1115 ost->sws_flags, NULL, NULL, NULL);
1116 if (ost->img_resample_ctx == NULL) {
1117 fprintf(stderr, "Cannot get resampling context\n");
1121 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1122 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1125 if (resample_changed) {
1126 avfilter_graph_free(&ost->graph);
1127 if (configure_video_filters(ist, ost)) {
1128 fprintf(stderr, "Error reinitializing filters!\n");
1133 if (resample_changed) {
1134 ost->resample_width = dec->width;
1135 ost->resample_height = dec->height;
1136 ost->resample_pix_fmt = dec->pix_fmt;
1141 static void do_video_out(AVFormatContext *s,
1144 AVFrame *in_picture,
1145 int *frame_size, float quality)
1147 int nb_frames, i, ret, format_video_sync;
1148 AVFrame *final_picture;
1149 AVCodecContext *enc, *dec;
1152 enc = ost->st->codec;
1153 dec = ist->st->codec;
1155 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1157 /* by default, we output a single frame */
1162 format_video_sync = video_sync_method;
1163 if (format_video_sync < 0)
1164 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1166 if (format_video_sync) {
1167 double vdelta = sync_ipts - ost->sync_opts;
1168 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1171 else if (format_video_sync == 2) {
1174 }else if(vdelta>0.6)
1175 ost->sync_opts= lrintf(sync_ipts);
1176 }else if (vdelta > 1.1)
1177 nb_frames = lrintf(vdelta);
1178 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1179 if (nb_frames == 0){
1182 fprintf(stderr, "*** drop!\n");
1183 }else if (nb_frames > 1) {
1184 nb_frames_dup += nb_frames - 1;
1186 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1189 ost->sync_opts= lrintf(sync_ipts);
1191 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1195 do_video_resample(ost, ist, in_picture, &final_picture);
1197 /* duplicates frame if needed */
1198 for(i=0;i<nb_frames;i++) {
1200 av_init_packet(&pkt);
1201 pkt.stream_index= ost->index;
1203 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1204 /* raw pictures are written as AVPicture structure to
1205 avoid any copies. We support temporarily the older
1207 AVFrame* old_frame = enc->coded_frame;
1208 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1209 pkt.data= (uint8_t *)final_picture;
1210 pkt.size= sizeof(AVPicture);
1211 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1212 pkt.flags |= AV_PKT_FLAG_KEY;
1214 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1215 enc->coded_frame = old_frame;
1217 AVFrame big_picture;
1219 big_picture= *final_picture;
1220 /* better than nothing: use input picture interlaced
1222 big_picture.interlaced_frame = in_picture->interlaced_frame;
1223 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1224 if(top_field_first == -1)
1225 big_picture.top_field_first = in_picture->top_field_first;
1227 big_picture.top_field_first = top_field_first;
1230 /* handles same_quant here. This is not correct because it may
1231 not be a global option */
1232 big_picture.quality = quality;
1234 big_picture.pict_type = 0;
1235 // big_picture.pts = AV_NOPTS_VALUE;
1236 big_picture.pts= ost->sync_opts;
1237 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1238 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1239 if (ost->forced_kf_index < ost->forced_kf_count &&
1240 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1241 big_picture.pict_type = AV_PICTURE_TYPE_I;
1242 ost->forced_kf_index++;
1244 ret = avcodec_encode_video(enc,
1245 bit_buffer, bit_buffer_size,
1248 fprintf(stderr, "Video encoding failed\n");
1253 pkt.data= bit_buffer;
1255 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1256 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1257 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1258 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1259 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1261 if(enc->coded_frame->key_frame)
1262 pkt.flags |= AV_PKT_FLAG_KEY;
1263 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1266 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1267 // enc->frame_number-1, ret, enc->pict_type);
1268 /* if two pass, output log */
1269 if (ost->logfile && enc->stats_out) {
1270 fprintf(ost->logfile, "%s", enc->stats_out);
1275 ost->frame_number++;
1279 static double psnr(double d){
1280 return -10.0*log(d)/log(10.0);
1283 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1286 AVCodecContext *enc;
1288 double ti1, bitrate, avg_bitrate;
1290 /* this is executed just the first time do_video_stats is called */
1292 vstats_file = fopen(vstats_filename, "w");
1299 enc = ost->st->codec;
1300 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1301 frame_number = ost->frame_number;
1302 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1303 if (enc->flags&CODEC_FLAG_PSNR)
1304 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1306 fprintf(vstats_file,"f_size= %6d ", frame_size);
1307 /* compute pts value */
1308 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1312 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1313 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1314 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1315 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1316 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1320 static void print_report(OutputFile *output_files,
1321 OutputStream *ost_table, int nb_ostreams,
1322 int is_last_report, int64_t timer_start)
1326 AVFormatContext *oc;
1328 AVCodecContext *enc;
1329 int frame_number, vid, i;
1331 int64_t pts = INT64_MAX;
1332 static int64_t last_time = -1;
1333 static int qp_histogram[52];
1335 if (!is_last_report) {
1337 /* display the report every 0.5 seconds */
1338 cur_time = av_gettime();
1339 if (last_time == -1) {
1340 last_time = cur_time;
1343 if ((cur_time - last_time) < 500000)
1345 last_time = cur_time;
1349 oc = output_files[0].ctx;
1351 total_size = avio_size(oc->pb);
1352 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1353 total_size= avio_tell(oc->pb);
1357 for(i=0;i<nb_ostreams;i++) {
1359 ost = &ost_table[i];
1360 enc = ost->st->codec;
1361 if (!ost->st->stream_copy && enc->coded_frame)
1362 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1363 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1366 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1367 float t = (av_gettime()-timer_start) / 1000000.0;
1369 frame_number = ost->frame_number;
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1371 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1373 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1377 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1382 if (enc->flags&CODEC_FLAG_PSNR){
1384 double error, error_sum=0;
1385 double scale, scale_sum=0;
1386 char type[3]= {'Y','U','V'};
1387 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1390 error= enc->error[j];
1391 scale= enc->width*enc->height*255.0*255.0*frame_number;
1393 error= enc->coded_frame->error[j];
1394 scale= enc->width*enc->height*255.0*255.0;
1399 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1401 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1405 /* compute min output value */
1406 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1407 ost->st->time_base, AV_TIME_BASE_Q));
1410 if (verbose > 0 || is_last_report) {
1411 int hours, mins, secs, us;
1412 secs = pts / AV_TIME_BASE;
1413 us = pts % AV_TIME_BASE;
1419 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1422 "size=%8.0fkB time=", total_size / 1024.0);
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1424 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1425 (100 * us) / AV_TIME_BASE);
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1427 "bitrate=%6.1fkbits/s", bitrate);
1429 if (nb_frames_dup || nb_frames_drop)
1430 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1431 nb_frames_dup, nb_frames_drop);
1434 fprintf(stderr, "%s \r", buf);
1439 if (is_last_report && verbose >= 0){
1440 int64_t raw= audio_size + video_size + extra_size;
1441 fprintf(stderr, "\n");
1442 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1446 100.0*(total_size - raw)/raw
1451 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1453 int fill_char = 0x00;
1454 if (sample_fmt == AV_SAMPLE_FMT_U8)
1456 memset(buf, fill_char, size);
1459 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1463 for (i = 0; i < nb_ostreams; i++) {
1464 OutputStream *ost = &ost_table[i];
1465 AVCodecContext *enc = ost->st->codec;
1466 AVFormatContext *os = output_files[ost->file_index].ctx;
1468 if (!ost->encoding_needed)
1471 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1473 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1479 av_init_packet(&pkt);
1480 pkt.stream_index= ost->index;
1482 switch (ost->st->codec->codec_type) {
1483 case AVMEDIA_TYPE_AUDIO:
1484 fifo_bytes = av_fifo_size(ost->fifo);
1486 /* encode any samples remaining in fifo */
1487 if (fifo_bytes > 0) {
1488 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1489 int fs_tmp = enc->frame_size;
1491 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1492 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1493 enc->frame_size = fifo_bytes / (osize * enc->channels);
1495 int frame_bytes = enc->frame_size*osize*enc->channels;
1496 if (allocated_audio_buf_size < frame_bytes)
1498 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1501 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1502 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1503 ost->st->time_base.num, enc->sample_rate);
1504 enc->frame_size = fs_tmp;
1507 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1510 fprintf(stderr, "Audio encoding failed\n");
1514 pkt.flags |= AV_PKT_FLAG_KEY;
1516 case AVMEDIA_TYPE_VIDEO:
1517 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1519 fprintf(stderr, "Video encoding failed\n");
1523 if(enc->coded_frame && enc->coded_frame->key_frame)
1524 pkt.flags |= AV_PKT_FLAG_KEY;
1525 if (ost->logfile && enc->stats_out) {
1526 fprintf(ost->logfile, "%s", enc->stats_out);
1535 pkt.data = bit_buffer;
1537 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1538 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1539 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1544 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1545 static int output_packet(InputStream *ist, int ist_index,
1546 OutputStream *ost_table, int nb_ostreams,
1547 const AVPacket *pkt)
1549 AVFormatContext *os;
1554 void *buffer_to_free = NULL;
1555 static unsigned int samples_size= 0;
1556 AVSubtitle subtitle, *subtitle_to_free;
1557 int64_t pkt_pts = AV_NOPTS_VALUE;
1559 int frame_available;
1564 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1566 if(ist->next_pts == AV_NOPTS_VALUE)
1567 ist->next_pts= ist->pts;
1571 av_init_packet(&avpkt);
1579 if(pkt->dts != AV_NOPTS_VALUE)
1580 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1581 if(pkt->pts != AV_NOPTS_VALUE)
1582 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1584 //while we have more to decode or while the decoder did output something on EOF
1585 while (avpkt.size > 0 || (!pkt && got_output)) {
1586 uint8_t *data_buf, *decoded_data_buf;
1587 int data_size, decoded_data_size;
1589 ist->pts= ist->next_pts;
1591 if(avpkt.size && avpkt.size != pkt->size &&
1592 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1593 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1594 ist->showed_multi_packet_warning=1;
1597 /* decode the packet if needed */
1598 decoded_data_buf = NULL; /* fail safe */
1599 decoded_data_size= 0;
1600 data_buf = avpkt.data;
1601 data_size = avpkt.size;
1602 subtitle_to_free = NULL;
1603 if (ist->decoding_needed) {
1604 switch(ist->st->codec->codec_type) {
1605 case AVMEDIA_TYPE_AUDIO:{
1606 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1607 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1609 samples= av_malloc(samples_size);
1611 decoded_data_size= samples_size;
1612 /* XXX: could avoid copy if PCM 16 bits with same
1613 endianness as CPU */
1614 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1621 got_output = decoded_data_size > 0;
1622 /* Some bug in mpeg audio decoder gives */
1623 /* decoded_data_size < 0, it seems they are overflows */
1625 /* no audio frame */
1628 decoded_data_buf = (uint8_t *)samples;
1629 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1630 (ist->st->codec->sample_rate * ist->st->codec->channels);
1632 case AVMEDIA_TYPE_VIDEO:
1633 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1634 /* XXX: allocate picture correctly */
1635 avcodec_get_frame_defaults(&picture);
1636 avpkt.pts = pkt_pts;
1637 avpkt.dts = ist->pts;
1638 pkt_pts = AV_NOPTS_VALUE;
1640 ret = avcodec_decode_video2(ist->st->codec,
1641 &picture, &got_output, &avpkt);
1642 quality = same_quant ? picture.quality : 0;
1646 /* no picture yet */
1647 goto discard_packet;
1649 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1650 if (ist->st->codec->time_base.num != 0) {
1651 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1652 ist->next_pts += ((int64_t)AV_TIME_BASE *
1653 ist->st->codec->time_base.num * ticks) /
1654 ist->st->codec->time_base.den;
1657 buffer_to_free = NULL;
1658 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1660 case AVMEDIA_TYPE_SUBTITLE:
1661 ret = avcodec_decode_subtitle2(ist->st->codec,
1662 &subtitle, &got_output, &avpkt);
1666 goto discard_packet;
1668 subtitle_to_free = &subtitle;
1675 switch(ist->st->codec->codec_type) {
1676 case AVMEDIA_TYPE_AUDIO:
1677 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1678 ist->st->codec->sample_rate;
1680 case AVMEDIA_TYPE_VIDEO:
1681 if (ist->st->codec->time_base.num != 0) {
1682 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1683 ist->next_pts += ((int64_t)AV_TIME_BASE *
1684 ist->st->codec->time_base.num * ticks) /
1685 ist->st->codec->time_base.den;
1693 // preprocess audio (volume)
1694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1695 if (audio_volume != 256) {
1698 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1699 int v = ((*volp) * audio_volume + 128) >> 8;
1700 if (v < -32768) v = -32768;
1701 if (v > 32767) v = 32767;
1707 /* frame rate emulation */
1709 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1710 int64_t now = av_gettime() - ist->start;
1714 /* if output time reached then transcode raw format,
1715 encode packets and output them */
1716 for (i = 0; i < nb_ostreams; i++) {
1717 OutputFile *of = &output_files[ost_table[i].file_index];
1720 ost = &ost_table[i];
1721 if (ost->source_index != ist_index)
1724 if (of->start_time && ist->pts < of->start_time)
1727 if (of->recording_time != INT64_MAX &&
1728 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1729 (AVRational){1, 1000000}) >= 0) {
1730 ost->is_past_recording_time = 1;
1735 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1736 ost->input_video_filter) {
1737 if (!picture.sample_aspect_ratio.num)
1738 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1739 picture.pts = ist->pts;
1741 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1743 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1744 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1745 while (frame_available) {
1746 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1747 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1748 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1751 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1752 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1756 os = output_files[ost->file_index].ctx;
1758 /* set the input output pts pairs */
1759 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1761 if (ost->encoding_needed) {
1762 av_assert0(ist->decoding_needed);
1763 switch(ost->st->codec->codec_type) {
1764 case AVMEDIA_TYPE_AUDIO:
1765 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1767 case AVMEDIA_TYPE_VIDEO:
1769 if (ost->picref->video && !ost->frame_aspect_ratio)
1770 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1772 do_video_out(os, ost, ist, &picture, &frame_size,
1773 same_quant ? quality : ost->st->codec->global_quality);
1774 if (vstats_filename && frame_size)
1775 do_video_stats(os, ost, frame_size);
1777 case AVMEDIA_TYPE_SUBTITLE:
1778 do_subtitle_out(os, ost, ist, &subtitle,
1785 AVFrame avframe; //FIXME/XXX remove this
1788 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1789 av_init_packet(&opkt);
1791 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1792 #if !CONFIG_AVFILTER
1798 /* no reencoding needed : output the packet directly */
1799 /* force the input stream PTS */
1801 avcodec_get_frame_defaults(&avframe);
1802 ost->st->codec->coded_frame= &avframe;
1803 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1805 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1806 audio_size += data_size;
1807 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1808 video_size += data_size;
1812 opkt.stream_index= ost->index;
1813 if(pkt->pts != AV_NOPTS_VALUE)
1814 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1816 opkt.pts= AV_NOPTS_VALUE;
1818 if (pkt->dts == AV_NOPTS_VALUE)
1819 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1821 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1822 opkt.dts -= ost_tb_start_time;
1824 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1825 opkt.flags= pkt->flags;
1827 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1828 if( ost->st->codec->codec_id != CODEC_ID_H264
1829 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1830 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1832 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1833 opkt.destruct= av_destruct_packet;
1835 opkt.data = data_buf;
1836 opkt.size = data_size;
1839 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1840 /* store AVPicture in AVPacket, as expected by the output format */
1841 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1842 opkt.data = (uint8_t *)&pict;
1843 opkt.size = sizeof(AVPicture);
1844 opkt.flags |= AV_PKT_FLAG_KEY;
1846 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1847 ost->st->codec->frame_number++;
1848 ost->frame_number++;
1849 av_free_packet(&opkt);
1853 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1854 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1856 avfilter_unref_buffer(ost->picref);
1861 av_free(buffer_to_free);
1862 /* XXX: allocate the subtitles in the codec ? */
1863 if (subtitle_to_free) {
1864 avsubtitle_free(subtitle_to_free);
1865 subtitle_to_free = NULL;
1873 static void print_sdp(OutputFile *output_files, int n)
1877 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1881 for (i = 0; i < n; i++)
1882 avc[i] = output_files[i].ctx;
1884 av_sdp_create(avc, n, sdp, sizeof(sdp));
1885 printf("SDP:\n%s\n", sdp);
1890 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1891 char *error, int error_len)
1894 InputStream *ist = &input_streams[ist_index];
1895 if (ist->decoding_needed) {
1896 AVCodec *codec = ist->dec;
1898 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1900 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1901 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1902 return AVERROR(EINVAL);
1905 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1906 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1907 ist->file_index, ist->st->index);
1908 return AVERROR(EINVAL);
1910 assert_codec_experimental(ist->st->codec, 0);
1911 assert_avoptions(ist->opts);
1914 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;
1915 ist->next_pts = AV_NOPTS_VALUE;
1922 * The following code is the main loop of the file converter
1924 static int transcode(OutputFile *output_files,
1925 int nb_output_files,
1926 InputFile *input_files,
1929 int ret = 0, i, step;
1930 AVFormatContext *is, *os;
1931 AVCodecContext *codec, *icodec;
1938 int no_packet_count=0;
1939 int64_t timer_start;
1941 if (!(no_packet = av_mallocz(nb_input_files)))
1945 for (i = 0; i < nb_input_streams; i++)
1946 input_streams[i].start = av_gettime();
1948 /* output stream init */
1949 for(i=0;i<nb_output_files;i++) {
1950 os = output_files[i].ctx;
1951 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1952 av_dump_format(os, i, os->filename, 1);
1953 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1954 ret = AVERROR(EINVAL);
1959 /* for each output stream, we compute the right encoding parameters */
1960 for (i = 0; i < nb_output_streams; i++) {
1961 ost = &output_streams[i];
1962 os = output_files[ost->file_index].ctx;
1963 ist = &input_streams[ost->source_index];
1965 codec = ost->st->codec;
1966 icodec = ist->st->codec;
1968 ost->st->disposition = ist->st->disposition;
1969 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1970 codec->chroma_sample_location = icodec->chroma_sample_location;
1972 if (ost->st->stream_copy) {
1973 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1975 if (extra_size > INT_MAX) {
1976 ret = AVERROR(EINVAL);
1980 /* if stream_copy is selected, no need to decode or encode */
1981 codec->codec_id = icodec->codec_id;
1982 codec->codec_type = icodec->codec_type;
1984 if(!codec->codec_tag){
1985 if( !os->oformat->codec_tag
1986 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1987 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1988 codec->codec_tag = icodec->codec_tag;
1991 codec->bit_rate = icodec->bit_rate;
1992 codec->rc_max_rate = icodec->rc_max_rate;
1993 codec->rc_buffer_size = icodec->rc_buffer_size;
1994 codec->extradata= av_mallocz(extra_size);
1995 if (!codec->extradata) {
1996 ret = AVERROR(ENOMEM);
1999 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2000 codec->extradata_size= icodec->extradata_size;
2002 codec->time_base = ist->st->time_base;
2003 if(!strcmp(os->oformat->name, "avi")) {
2004 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){
2005 codec->time_base = icodec->time_base;
2006 codec->time_base.num *= icodec->ticks_per_frame;
2007 codec->time_base.den *= 2;
2009 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2010 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){
2011 codec->time_base = icodec->time_base;
2012 codec->time_base.num *= icodec->ticks_per_frame;
2015 av_reduce(&codec->time_base.num, &codec->time_base.den,
2016 codec->time_base.num, codec->time_base.den, INT_MAX);
2018 switch(codec->codec_type) {
2019 case AVMEDIA_TYPE_AUDIO:
2020 if(audio_volume != 256) {
2021 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2024 codec->channel_layout = icodec->channel_layout;
2025 codec->sample_rate = icodec->sample_rate;
2026 codec->channels = icodec->channels;
2027 codec->frame_size = icodec->frame_size;
2028 codec->audio_service_type = icodec->audio_service_type;
2029 codec->block_align= icodec->block_align;
2030 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2031 codec->block_align= 0;
2032 if(codec->codec_id == CODEC_ID_AC3)
2033 codec->block_align= 0;
2035 case AVMEDIA_TYPE_VIDEO:
2036 codec->pix_fmt = icodec->pix_fmt;
2037 codec->width = icodec->width;
2038 codec->height = icodec->height;
2039 codec->has_b_frames = icodec->has_b_frames;
2040 if (!codec->sample_aspect_ratio.num) {
2041 codec->sample_aspect_ratio =
2042 ost->st->sample_aspect_ratio =
2043 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2044 ist->st->codec->sample_aspect_ratio.num ?
2045 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2048 case AVMEDIA_TYPE_SUBTITLE:
2049 codec->width = icodec->width;
2050 codec->height = icodec->height;
2052 case AVMEDIA_TYPE_DATA:
2059 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2060 switch(codec->codec_type) {
2061 case AVMEDIA_TYPE_AUDIO:
2062 ost->fifo= av_fifo_alloc(1024);
2064 ret = AVERROR(ENOMEM);
2067 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2068 if (!codec->sample_rate) {
2069 codec->sample_rate = icodec->sample_rate;
2071 choose_sample_rate(ost->st, ost->enc);
2072 codec->time_base = (AVRational){1, codec->sample_rate};
2073 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2074 codec->sample_fmt = icodec->sample_fmt;
2075 choose_sample_fmt(ost->st, ost->enc);
2076 if (!codec->channels) {
2077 codec->channels = icodec->channels;
2078 codec->channel_layout = icodec->channel_layout;
2080 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2081 codec->channel_layout = 0;
2082 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2083 icodec->request_channels = codec->channels;
2084 ist->decoding_needed = 1;
2085 ost->encoding_needed = 1;
2086 ost->resample_sample_fmt = icodec->sample_fmt;
2087 ost->resample_sample_rate = icodec->sample_rate;
2088 ost->resample_channels = icodec->channels;
2090 case AVMEDIA_TYPE_VIDEO:
2091 if (codec->pix_fmt == PIX_FMT_NONE)
2092 codec->pix_fmt = icodec->pix_fmt;
2093 choose_pixel_fmt(ost->st, ost->enc);
2095 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2096 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2100 if (!codec->width || !codec->height) {
2101 codec->width = icodec->width;
2102 codec->height = icodec->height;
2105 ost->video_resample = codec->width != icodec->width ||
2106 codec->height != icodec->height ||
2107 codec->pix_fmt != icodec->pix_fmt;
2108 if (ost->video_resample) {
2109 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2112 ost->resample_height = icodec->height;
2113 ost->resample_width = icodec->width;
2114 ost->resample_pix_fmt= icodec->pix_fmt;
2115 ost->encoding_needed = 1;
2116 ist->decoding_needed = 1;
2118 if (!ost->frame_rate.num)
2119 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2120 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2121 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2122 ost->frame_rate = ost->enc->supported_framerates[idx];
2124 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2125 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2126 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2127 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2128 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2132 if (configure_video_filters(ist, ost)) {
2133 fprintf(stderr, "Error opening filters!\n");
2138 case AVMEDIA_TYPE_SUBTITLE:
2139 ost->encoding_needed = 1;
2140 ist->decoding_needed = 1;
2147 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2148 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2149 char logfilename[1024];
2152 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2153 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2155 if (codec->flags & CODEC_FLAG_PASS1) {
2156 f = fopen(logfilename, "wb");
2158 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2164 size_t logbuffer_size;
2165 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2166 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2169 codec->stats_in = logbuffer;
2173 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2174 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2175 int size= codec->width * codec->height;
2176 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2181 bit_buffer = av_malloc(bit_buffer_size);
2183 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2185 ret = AVERROR(ENOMEM);
2189 /* open each encoder */
2190 for (i = 0; i < nb_output_streams; i++) {
2191 ost = &output_streams[i];
2192 if (ost->encoding_needed) {
2193 AVCodec *codec = ost->enc;
2194 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2196 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2197 ost->st->codec->codec_id, ost->file_index, ost->index);
2198 ret = AVERROR(EINVAL);
2201 if (dec->subtitle_header) {
2202 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2203 if (!ost->st->codec->subtitle_header) {
2204 ret = AVERROR(ENOMEM);
2207 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2208 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2210 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2211 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2212 ost->file_index, ost->index);
2213 ret = AVERROR(EINVAL);
2216 assert_codec_experimental(ost->st->codec, 1);
2217 assert_avoptions(ost->opts);
2218 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2219 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2220 "It takes bits/s as argument, not kbits/s\n");
2221 extra_size += ost->st->codec->extradata_size;
2225 /* init input streams */
2226 for (i = 0; i < nb_input_streams; i++)
2227 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2230 /* open files and write file headers */
2231 for (i = 0; i < nb_output_files; i++) {
2232 os = output_files[i].ctx;
2233 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2234 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2235 ret = AVERROR(EINVAL);
2238 // assert_avoptions(output_files[i].opts);
2239 if (strcmp(os->oformat->name, "rtp")) {
2245 /* dump the file output parameters - cannot be done before in case
2247 for(i=0;i<nb_output_files;i++) {
2248 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2251 /* dump the stream mapping */
2253 fprintf(stderr, "Stream mapping:\n");
2254 for (i = 0; i < nb_output_streams;i ++) {
2255 ost = &output_streams[i];
2256 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2257 input_streams[ost->source_index].file_index,
2258 input_streams[ost->source_index].st->index,
2261 if (ost->sync_ist != &input_streams[ost->source_index])
2262 fprintf(stderr, " [sync #%d.%d]",
2263 ost->sync_ist->file_index,
2264 ost->sync_ist->st->index);
2265 if (ost->st->stream_copy)
2266 fprintf(stderr, " (copy)");
2267 fprintf(stderr, "\n");
2272 fprintf(stderr, "%s\n", error);
2277 print_sdp(output_files, nb_output_files);
2282 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2283 avio_set_interrupt_cb(decode_interrupt_cb);
2287 timer_start = av_gettime();
2289 for(; received_sigterm == 0;) {
2290 int file_index, ist_index;
2296 ipts_min = INT64_MAX;
2298 /* if 'q' pressed, exits */
2302 /* read_key() returns 0 on EOF */
2306 if (key == '+') verbose++;
2307 if (key == '-') verbose--;
2308 if (key == 's') qp_hist ^= 1;
2311 do_hex_dump = do_pkt_dump = 0;
2312 } else if(do_pkt_dump){
2316 av_log_set_level(AV_LOG_DEBUG);
2318 if (key == 'd' || key == 'D'){
2321 debug = input_streams[0].st->codec->debug<<1;
2322 if(!debug) debug = 1;
2323 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2326 scanf("%d", &debug);
2327 for(i=0;i<nb_input_streams;i++) {
2328 input_streams[i].st->codec->debug = debug;
2330 for(i=0;i<nb_output_streams;i++) {
2331 ost = &output_streams[i];
2332 ost->st->codec->debug = debug;
2334 if(debug) av_log_set_level(AV_LOG_DEBUG);
2335 fprintf(stderr,"debug=%d\n", debug);
2338 fprintf(stderr, "key function\n"
2339 "? show this help\n"
2340 "+ increase verbosity\n"
2341 "- decrease verbosity\n"
2342 "D cycle through available debug modes\n"
2343 "h dump packets/hex press to cycle through the 3 states\n"
2345 "s Show QP histogram\n"
2350 /* select the stream that we must read now by looking at the
2351 smallest output pts */
2353 for (i = 0; i < nb_output_streams; i++) {
2357 ost = &output_streams[i];
2358 of = &output_files[ost->file_index];
2359 os = output_files[ost->file_index].ctx;
2360 ist = &input_streams[ost->source_index];
2361 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2362 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2364 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2366 if (!input_files[ist->file_index].eof_reached){
2367 if(ipts < ipts_min) {
2369 if(input_sync ) file_index = ist->file_index;
2371 if(opts < opts_min) {
2373 if(!input_sync) file_index = ist->file_index;
2376 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2381 /* if none, if is finished */
2382 if (file_index < 0) {
2383 if(no_packet_count){
2385 memset(no_packet, 0, nb_input_files);
2392 /* read a frame from it and output it in the fifo */
2393 is = input_files[file_index].ctx;
2394 ret= av_read_frame(is, &pkt);
2395 if(ret == AVERROR(EAGAIN)){
2396 no_packet[file_index]=1;
2401 input_files[file_index].eof_reached = 1;
2409 memset(no_packet, 0, nb_input_files);
2412 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2413 is->streams[pkt.stream_index]);
2415 /* the following test is needed in case new streams appear
2416 dynamically in stream : we ignore them */
2417 if (pkt.stream_index >= input_files[file_index].nb_streams)
2418 goto discard_packet;
2419 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2420 ist = &input_streams[ist_index];
2422 goto discard_packet;
2424 if (pkt.dts != AV_NOPTS_VALUE)
2425 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2426 if (pkt.pts != AV_NOPTS_VALUE)
2427 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2429 if (ist->ts_scale) {
2430 if(pkt.pts != AV_NOPTS_VALUE)
2431 pkt.pts *= ist->ts_scale;
2432 if(pkt.dts != AV_NOPTS_VALUE)
2433 pkt.dts *= ist->ts_scale;
2436 // 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);
2437 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2438 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2439 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2440 int64_t delta= pkt_dts - ist->next_pts;
2441 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2442 input_files[ist->file_index].ts_offset -= delta;
2444 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2445 delta, input_files[ist->file_index].ts_offset);
2446 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2447 if(pkt.pts != AV_NOPTS_VALUE)
2448 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2452 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2453 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2456 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2457 ist->file_index, ist->st->index);
2460 av_free_packet(&pkt);
2465 av_free_packet(&pkt);
2467 /* dump report by using the output first video and audio streams */
2468 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2471 /* at the end of stream, we must flush the decoder buffers */
2472 for (i = 0; i < nb_input_streams; i++) {
2473 ist = &input_streams[i];
2474 if (ist->decoding_needed) {
2475 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2478 flush_encoders(output_streams, nb_output_streams);
2482 /* write the trailer if needed and close file */
2483 for(i=0;i<nb_output_files;i++) {
2484 os = output_files[i].ctx;
2485 av_write_trailer(os);
2488 /* dump report by using the first video and audio streams */
2489 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2491 /* close each encoder */
2492 for (i = 0; i < nb_output_streams; i++) {
2493 ost = &output_streams[i];
2494 if (ost->encoding_needed) {
2495 av_freep(&ost->st->codec->stats_in);
2496 avcodec_close(ost->st->codec);
2499 avfilter_graph_free(&ost->graph);
2503 /* close each decoder */
2504 for (i = 0; i < nb_input_streams; i++) {
2505 ist = &input_streams[i];
2506 if (ist->decoding_needed) {
2507 avcodec_close(ist->st->codec);
2515 av_freep(&bit_buffer);
2516 av_freep(&no_packet);
2518 if (output_streams) {
2519 for (i = 0; i < nb_output_streams; i++) {
2520 ost = &output_streams[i];
2522 if (ost->st->stream_copy)
2523 av_freep(&ost->st->codec->extradata);
2525 fclose(ost->logfile);
2526 ost->logfile = NULL;
2528 av_fifo_free(ost->fifo); /* works even if fifo is not
2529 initialized but set to zero */
2530 av_freep(&ost->st->codec->subtitle_header);
2531 av_free(ost->resample_frame.data[0]);
2532 av_free(ost->forced_kf_pts);
2533 if (ost->video_resample)
2534 sws_freeContext(ost->img_resample_ctx);
2536 audio_resample_close(ost->resample);
2537 if (ost->reformat_ctx)
2538 av_audio_convert_free(ost->reformat_ctx);
2539 av_dict_free(&ost->opts);
2546 static int opt_format(const char *opt, const char *arg)
2548 last_asked_format = arg;
2552 static int opt_video_rc_override_string(const char *opt, const char *arg)
2554 video_rc_override_string = arg;
2558 static int opt_me_threshold(const char *opt, const char *arg)
2560 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2564 static int opt_verbose(const char *opt, const char *arg)
2566 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2570 static int opt_frame_rate(const char *opt, const char *arg)
2572 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2573 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2579 static int opt_frame_crop(const char *opt, const char *arg)
2581 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2582 return AVERROR(EINVAL);
2585 static int opt_frame_size(const char *opt, const char *arg)
2587 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2588 fprintf(stderr, "Incorrect frame size\n");
2589 return AVERROR(EINVAL);
2594 static int opt_pad(const char *opt, const char *arg) {
2595 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2599 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2601 if (strcmp(arg, "list")) {
2602 frame_pix_fmt = av_get_pix_fmt(arg);
2603 if (frame_pix_fmt == PIX_FMT_NONE) {
2604 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2605 return AVERROR(EINVAL);
2608 opt_pix_fmts(NULL, NULL);
2614 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2621 p = strchr(arg, ':');
2623 x = strtol(arg, &end, 10);
2625 y = strtol(end+1, &end, 10);
2627 ar = (double)x / (double)y;
2629 ar = strtod(arg, NULL);
2632 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2633 return AVERROR(EINVAL);
2635 frame_aspect_ratio = ar;
2639 static int opt_metadata(const char *opt, const char *arg)
2641 char *mid= strchr(arg, '=');
2644 fprintf(stderr, "Missing =\n");
2649 av_dict_set(&metadata, arg, mid, 0);
2654 static int opt_qscale(const char *opt, const char *arg)
2656 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2657 if (video_qscale <= 0 || video_qscale > 255) {
2658 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2659 return AVERROR(EINVAL);
2664 static int opt_top_field_first(const char *opt, const char *arg)
2666 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2667 return opt_default(opt, arg);
2670 static int opt_thread_count(const char *opt, const char *arg)
2672 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2675 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2680 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2682 if (strcmp(arg, "list")) {
2683 audio_sample_fmt = av_get_sample_fmt(arg);
2684 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2685 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2686 return AVERROR(EINVAL);
2691 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2692 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2698 static int opt_audio_rate(const char *opt, const char *arg)
2700 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2704 static int opt_audio_channels(const char *opt, const char *arg)
2706 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2710 static int opt_codec(const char *opt, const char *arg)
2712 return av_dict_set(&codec_names, opt, arg, 0);
2715 static int opt_audio_codec(const char *opt, const char *arg)
2717 return opt_codec("codec:a", arg);
2720 static int opt_video_codec(const char *opt, const char *arg)
2722 return opt_codec("codec:v", arg);
2725 static int opt_subtitle_codec(const char *opt, const char *arg)
2727 return opt_codec("codec:s", arg);
2730 static int opt_data_codec(const char *opt, const char *arg)
2732 return opt_codec("codec:d", arg);
2735 static int opt_codec_tag(const char *opt, const char *arg)
2738 uint32_t *codec_tag;
2740 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2741 !strcmp(opt, "vtag") ? &video_codec_tag :
2742 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2746 *codec_tag = strtol(arg, &tail, 0);
2748 *codec_tag = AV_RL32(arg);
2753 static int opt_map(const char *opt, const char *arg)
2755 StreamMap *m = NULL;
2756 int i, negative = 0, file_idx;
2757 int sync_file_idx = -1, sync_stream_idx;
2765 map = av_strdup(arg);
2767 /* parse sync stream first, just pick first matching stream */
2768 if (sync = strchr(map, ',')) {
2770 sync_file_idx = strtol(sync + 1, &sync, 0);
2771 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2772 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2777 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2778 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2779 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2780 sync_stream_idx = i;
2783 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2784 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2785 "match any streams.\n", arg);
2791 file_idx = strtol(map, &p, 0);
2792 if (file_idx >= nb_input_files || file_idx < 0) {
2793 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2797 /* disable some already defined maps */
2798 for (i = 0; i < nb_stream_maps; i++) {
2799 m = &stream_maps[i];
2800 if (check_stream_specifier(input_files[m->file_index].ctx,
2801 input_files[m->file_index].ctx->streams[m->stream_index],
2802 *p == ':' ? p + 1 : p) > 0)
2806 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2807 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2808 *p == ':' ? p + 1 : p) <= 0)
2810 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2811 m = &stream_maps[nb_stream_maps - 1];
2813 m->file_index = file_idx;
2814 m->stream_index = i;
2816 if (sync_file_idx >= 0) {
2817 m->sync_file_index = sync_file_idx;
2818 m->sync_stream_index = sync_stream_idx;
2820 m->sync_file_index = file_idx;
2821 m->sync_stream_index = i;
2826 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2834 static void parse_meta_type(char *arg, char *type, int *index)
2844 if (*(++arg) == ':')
2845 *index = strtol(++arg, NULL, 0);
2848 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2855 static int opt_map_metadata(const char *opt, const char *arg)
2857 MetadataMap *m, *m1;
2860 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2861 &nb_meta_data_maps, nb_meta_data_maps + 1);
2863 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2864 m->file = strtol(arg, &p, 0);
2865 parse_meta_type(p, &m->type, &m->index);
2867 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2868 if (p = strchr(opt, ':'))
2869 parse_meta_type(p, &m1->type, &m1->index);
2873 if (m->type == 'g' || m1->type == 'g')
2874 metadata_global_autocopy = 0;
2875 if (m->type == 's' || m1->type == 's')
2876 metadata_streams_autocopy = 0;
2877 if (m->type == 'c' || m1->type == 'c')
2878 metadata_chapters_autocopy = 0;
2883 static int opt_input_ts_scale(const char *opt, const char *arg)
2885 return av_dict_set(&ts_scale, opt, arg, 0);
2888 static int opt_recording_time(const char *opt, const char *arg)
2890 recording_time = parse_time_or_die(opt, arg, 1);
2894 static int opt_start_time(const char *opt, const char *arg)
2896 start_time = parse_time_or_die(opt, arg, 1);
2900 static int opt_input_ts_offset(const char *opt, const char *arg)
2902 input_ts_offset = parse_time_or_die(opt, arg, 1);
2906 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2908 const char *codec_string = encoder ? "encoder" : "decoder";
2912 return CODEC_ID_NONE;
2914 avcodec_find_encoder_by_name(name) :
2915 avcodec_find_decoder_by_name(name);
2917 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2920 if(codec->type != type) {
2921 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2927 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2929 AVDictionaryEntry *e = NULL;
2930 char *codec_name = NULL;
2933 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2934 char *p = strchr(e->key, ':');
2936 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2937 codec_name = e->value;
2944 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2945 return avcodec_find_encoder(st->codec->codec_id);
2947 } else if (!strcmp(codec_name, "copy"))
2948 st->stream_copy = 1;
2950 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2951 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2952 avcodec_find_decoder_by_name(codec_name);
2959 * Add all the streams from the given input file to the global
2960 * list of input streams.
2962 static void add_input_streams(AVFormatContext *ic)
2964 int i, rfps, rfps_base, ret;
2966 for (i = 0; i < ic->nb_streams; i++) {
2967 AVStream *st = ic->streams[i];
2968 AVCodecContext *dec = st->codec;
2969 AVDictionaryEntry *e = NULL;
2973 dec->thread_count = thread_count;
2975 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2976 ist = &input_streams[nb_input_streams - 1];
2978 ist->file_index = nb_input_files;
2980 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2982 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2983 char *p = strchr(e->key, ':');
2985 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2991 ist->ts_scale = strtod(scale, NULL);
2993 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2995 switch (dec->codec_type) {
2996 case AVMEDIA_TYPE_AUDIO:
2998 ist->dec = avcodec_find_decoder(dec->codec_id);
3000 st->discard= AVDISCARD_ALL;
3002 case AVMEDIA_TYPE_VIDEO:
3004 ist->dec = avcodec_find_decoder(dec->codec_id);
3005 rfps = ic->streams[i]->r_frame_rate.num;
3006 rfps_base = ic->streams[i]->r_frame_rate.den;
3008 dec->flags |= CODEC_FLAG_EMU_EDGE;
3011 dec->debug |= FF_DEBUG_MV;
3013 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3016 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3017 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3019 (float)rfps / rfps_base, rfps, rfps_base);
3023 st->discard= AVDISCARD_ALL;
3024 else if(video_discard)
3025 st->discard= video_discard;
3027 case AVMEDIA_TYPE_DATA:
3029 case AVMEDIA_TYPE_SUBTITLE:
3031 ist->dec = avcodec_find_decoder(dec->codec_id);
3032 if(subtitle_disable)
3033 st->discard = AVDISCARD_ALL;
3035 case AVMEDIA_TYPE_ATTACHMENT:
3036 case AVMEDIA_TYPE_UNKNOWN:
3044 static int opt_input_file(const char *opt, const char *filename)
3046 AVFormatContext *ic;
3047 AVInputFormat *file_iformat = NULL;
3051 AVDictionary **opts;
3052 int orig_nb_streams; // number of streams before avformat_find_stream_info
3054 if (last_asked_format) {
3055 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3056 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3059 last_asked_format = NULL;
3062 if (!strcmp(filename, "-"))
3065 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3066 !strcmp(filename, "/dev/stdin");
3068 /* get default parameters from command line */
3069 ic = avformat_alloc_context();
3071 print_error(filename, AVERROR(ENOMEM));
3074 if (audio_sample_rate) {
3075 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3076 av_dict_set(&format_opts, "sample_rate", buf, 0);
3078 if (audio_channels) {
3079 snprintf(buf, sizeof(buf), "%d", audio_channels);
3080 av_dict_set(&format_opts, "channels", buf, 0);
3082 if (frame_rate.num) {
3083 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3084 av_dict_set(&format_opts, "framerate", buf, 0);
3086 if (frame_width && frame_height) {
3087 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3088 av_dict_set(&format_opts, "video_size", buf, 0);
3090 if (frame_pix_fmt != PIX_FMT_NONE)
3091 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3093 ic->flags |= AVFMT_FLAG_NONBLOCK;
3095 /* open the input file with generic libav function */
3096 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3098 print_error(filename, err);
3101 assert_avoptions(format_opts);
3106 for(i=0; i<ic->nb_streams; i++){
3107 ic->streams[i]->discard= AVDISCARD_ALL;
3109 for(i=0; i<ic->nb_programs; i++){
3110 AVProgram *p= ic->programs[i];
3111 if(p->id != opt_programid){
3112 p->discard = AVDISCARD_ALL;
3115 for(j=0; j<p->nb_stream_indexes; j++){
3116 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3121 fprintf(stderr, "Specified program id not found\n");
3127 /* apply forced codec ids */
3128 for (i = 0; i < ic->nb_streams; i++)
3129 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3131 /* Set AVCodecContext options for avformat_find_stream_info */
3132 opts = setup_find_stream_info_opts(ic, codec_opts);
3133 orig_nb_streams = ic->nb_streams;
3135 /* If not enough info to get the stream parameters, we decode the
3136 first frames to get it. (used in mpeg case for example) */
3137 ret = avformat_find_stream_info(ic, opts);
3138 if (ret < 0 && verbose >= 0) {
3139 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3140 av_close_input_file(ic);
3144 timestamp = start_time;
3145 /* add the stream start time */
3146 if (ic->start_time != AV_NOPTS_VALUE)
3147 timestamp += ic->start_time;
3149 /* if seeking requested, we execute it */
3150 if (start_time != 0) {
3151 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3153 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3154 filename, (double)timestamp / AV_TIME_BASE);
3156 /* reset seek info */
3160 /* update the current parameters so that they match the one of the input stream */
3161 add_input_streams(ic);
3163 /* dump the file content */
3165 av_dump_format(ic, nb_input_files, filename, 0);
3167 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3168 input_files[nb_input_files - 1].ctx = ic;
3169 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3170 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3171 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3173 top_field_first = -1;
3174 frame_rate = (AVRational){0, 0};
3175 frame_pix_fmt = PIX_FMT_NONE;
3178 audio_sample_rate = 0;
3180 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3181 av_dict_free(&ts_scale);
3182 input_ts_offset = 0;
3184 for (i = 0; i < orig_nb_streams; i++)
3185 av_dict_free(&opts[i]);
3187 av_dict_free(&codec_names);
3193 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3194 AVCodecContext *avctx)
3200 for (p = kf; *p; p++)
3203 ost->forced_kf_count = n;
3204 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3205 if (!ost->forced_kf_pts) {
3206 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3209 for (i = 0; i < n; i++) {
3210 p = i ? strchr(p, ',') + 1 : kf;
3211 t = parse_time_or_die("force_key_frames", p, 1);
3212 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3216 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3219 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3220 int idx = oc->nb_streams - 1;
3223 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3227 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3228 nb_output_streams + 1);
3229 ost = &output_streams[nb_output_streams - 1];
3230 ost->file_index = nb_output_files;
3233 st->codec->codec_type = type;
3234 ost->enc = choose_codec(oc, st, type, codec_names);
3236 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3239 avcodec_get_context_defaults3(st->codec, ost->enc);
3240 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3242 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3246 static OutputStream *new_video_stream(AVFormatContext *oc)
3250 AVCodecContext *video_enc;
3252 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3254 if (!st->stream_copy) {
3255 ost->frame_aspect_ratio = frame_aspect_ratio;
3256 frame_aspect_ratio = 0;
3258 ost->avfilter = vfilters;
3263 ost->bitstream_filters = video_bitstream_filters;
3264 video_bitstream_filters= NULL;
3266 st->codec->thread_count= thread_count;
3268 video_enc = st->codec;
3271 video_enc->codec_tag= video_codec_tag;
3273 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3274 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3277 if (st->stream_copy) {
3278 video_enc->sample_aspect_ratio =
3279 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3285 ost->frame_rate = frame_rate;
3287 video_enc->width = frame_width;
3288 video_enc->height = frame_height;
3289 video_enc->pix_fmt = frame_pix_fmt;
3290 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3291 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3293 if (video_qscale || same_quant) {
3294 video_enc->flags |= CODEC_FLAG_QSCALE;
3295 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3299 video_enc->intra_matrix = intra_matrix;
3301 video_enc->inter_matrix = inter_matrix;
3303 p= video_rc_override_string;
3306 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3308 fprintf(stderr, "error parsing rc_override\n");
3311 video_enc->rc_override=
3312 av_realloc(video_enc->rc_override,
3313 sizeof(RcOverride)*(i+1));
3314 video_enc->rc_override[i].start_frame= start;
3315 video_enc->rc_override[i].end_frame = end;
3317 video_enc->rc_override[i].qscale= q;
3318 video_enc->rc_override[i].quality_factor= 1.0;
3321 video_enc->rc_override[i].qscale= 0;
3322 video_enc->rc_override[i].quality_factor= -q/100.0;
3327 video_enc->rc_override_count=i;
3328 if (!video_enc->rc_initial_buffer_occupancy)
3329 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3330 video_enc->me_threshold= me_threshold;
3331 video_enc->intra_dc_precision= intra_dc_precision - 8;
3334 video_enc->flags|= CODEC_FLAG_PSNR;
3339 video_enc->flags |= CODEC_FLAG_PASS1;
3341 video_enc->flags |= CODEC_FLAG_PASS2;
3345 if (forced_key_frames)
3346 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3348 if (video_language) {
3349 av_dict_set(&st->metadata, "language", video_language, 0);
3350 av_freep(&video_language);
3353 /* reset some key parameters */
3355 av_freep(&forced_key_frames);
3356 frame_pix_fmt = PIX_FMT_NONE;
3360 static OutputStream *new_audio_stream(AVFormatContext *oc)
3364 AVCodecContext *audio_enc;
3366 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3369 ost->bitstream_filters = audio_bitstream_filters;
3370 audio_bitstream_filters= NULL;
3372 st->codec->thread_count= thread_count;
3374 audio_enc = st->codec;
3375 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3378 audio_enc->codec_tag= audio_codec_tag;
3380 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3381 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3383 if (!st->stream_copy) {
3384 if (audio_qscale > QSCALE_NONE) {
3385 audio_enc->flags |= CODEC_FLAG_QSCALE;
3386 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3389 audio_enc->channels = audio_channels;
3390 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3391 audio_enc->sample_fmt = audio_sample_fmt;
3392 if (audio_sample_rate)
3393 audio_enc->sample_rate = audio_sample_rate;
3395 if (audio_language) {
3396 av_dict_set(&st->metadata, "language", audio_language, 0);
3397 av_freep(&audio_language);
3400 /* reset some key parameters */
3406 static OutputStream *new_data_stream(AVFormatContext *oc)
3410 AVCodecContext *data_enc;
3412 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3414 data_enc = st->codec;
3415 if (!st->stream_copy) {
3416 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3421 data_enc->codec_tag= data_codec_tag;
3423 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3424 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3431 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3435 AVCodecContext *subtitle_enc;
3437 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3439 subtitle_enc = st->codec;
3441 ost->bitstream_filters = subtitle_bitstream_filters;
3442 subtitle_bitstream_filters= NULL;
3444 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3446 if(subtitle_codec_tag)
3447 subtitle_enc->codec_tag= subtitle_codec_tag;
3449 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3450 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3453 if (subtitle_language) {
3454 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3455 av_freep(&subtitle_language);
3458 subtitle_disable = 0;
3462 /* arg format is "output-stream-index:streamid-value". */
3463 static int opt_streamid(const char *opt, const char *arg)
3469 av_strlcpy(idx_str, arg, sizeof(idx_str));
3470 p = strchr(idx_str, ':');
3473 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3478 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3479 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3480 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3484 static int copy_chapters(int infile, int outfile)
3486 AVFormatContext *is = input_files[infile].ctx;
3487 AVFormatContext *os = output_files[outfile].ctx;
3490 for (i = 0; i < is->nb_chapters; i++) {
3491 AVChapter *in_ch = is->chapters[i], *out_ch;
3492 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3493 AV_TIME_BASE_Q, in_ch->time_base);
3494 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3495 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3498 if (in_ch->end < ts_off)
3500 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3503 out_ch = av_mallocz(sizeof(AVChapter));
3505 return AVERROR(ENOMEM);
3507 out_ch->id = in_ch->id;
3508 out_ch->time_base = in_ch->time_base;
3509 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3510 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3512 if (metadata_chapters_autocopy)
3513 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3516 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3518 return AVERROR(ENOMEM);
3519 os->chapters[os->nb_chapters - 1] = out_ch;
3524 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3527 AVFormatContext *ic = NULL;
3529 err = avformat_open_input(&ic, filename, NULL, NULL);
3532 /* copy stream format */
3533 for(i=0;i<ic->nb_streams;i++) {
3538 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3539 ost = new_output_stream(s, codec->type);
3542 // FIXME: a more elegant solution is needed
3543 memcpy(st, ic->streams[i], sizeof(AVStream));
3544 st->info = av_malloc(sizeof(*st->info));
3545 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3546 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3548 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3549 choose_sample_fmt(st, codec);
3550 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3551 choose_pixel_fmt(st, codec);
3554 av_close_input_file(ic);
3558 static int opt_output_file(const char *opt, const char *filename)
3560 AVFormatContext *oc;
3562 AVOutputFormat *file_oformat;
3566 if (!strcmp(filename, "-"))
3569 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3570 last_asked_format = NULL;
3572 print_error(filename, err);
3576 file_oformat= oc->oformat;
3578 if (!strcmp(file_oformat->name, "ffm") &&
3579 av_strstart(filename, "http:", NULL)) {
3580 /* special case for files sent to ffserver: we get the stream
3581 parameters from ffserver */
3582 int err = read_ffserver_streams(oc, filename);
3584 print_error(filename, err);
3587 } else if (!nb_stream_maps) {
3588 /* pick the "best" stream of each type */
3589 #define NEW_STREAM(type, index)\
3591 ost = new_ ## type ## _stream(oc);\
3592 ost->source_index = index;\
3593 ost->sync_ist = &input_streams[index];\
3594 input_streams[index].discard = 0;\
3597 /* video: highest resolution */
3598 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3599 int area = 0, idx = -1;
3600 for (i = 0; i < nb_input_streams; i++) {
3601 ist = &input_streams[i];
3602 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3603 ist->st->codec->width * ist->st->codec->height > area) {
3604 area = ist->st->codec->width * ist->st->codec->height;
3608 NEW_STREAM(video, idx);
3611 /* audio: most channels */
3612 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3613 int channels = 0, idx = -1;
3614 for (i = 0; i < nb_input_streams; i++) {
3615 ist = &input_streams[i];
3616 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3617 ist->st->codec->channels > channels) {
3618 channels = ist->st->codec->channels;
3622 NEW_STREAM(audio, idx);
3625 /* subtitles: pick first */
3626 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3627 for (i = 0; i < nb_input_streams; i++)
3628 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3629 NEW_STREAM(subtitle, i);
3633 /* do something with data? */
3635 for (i = 0; i < nb_stream_maps; i++) {
3636 StreamMap *map = &stream_maps[i];
3641 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3642 switch (ist->st->codec->codec_type) {
3643 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3644 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3645 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3646 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3648 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3649 map->file_index, map->stream_index);
3653 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3654 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3655 map->sync_stream_index];
3660 av_dict_copy(&oc->metadata, metadata, 0);
3661 av_dict_free(&metadata);
3664 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3665 output_files[nb_output_files - 1].ctx = oc;
3666 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3667 output_files[nb_output_files - 1].recording_time = recording_time;
3668 output_files[nb_output_files - 1].start_time = start_time;
3669 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3670 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3672 /* check filename in case of an image number is expected */
3673 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3674 if (!av_filename_number_test(oc->filename)) {
3675 print_error(oc->filename, AVERROR(EINVAL));
3680 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3681 /* test if it already exists to avoid loosing precious files */
3682 if (!file_overwrite &&
3683 (strchr(filename, ':') == NULL ||
3684 filename[1] == ':' ||
3685 av_strstart(filename, "file:", NULL))) {
3686 if (avio_check(filename, 0) == 0) {
3688 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3690 if (!read_yesno()) {
3691 fprintf(stderr, "Not overwriting - exiting\n");
3696 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3703 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3704 print_error(filename, err);
3709 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3710 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3713 if (chapters_input_file >= nb_input_files) {
3714 if (chapters_input_file == INT_MAX) {
3715 /* copy chapters from the first input file that has them*/
3716 chapters_input_file = -1;
3717 for (i = 0; i < nb_input_files; i++)
3718 if (input_files[i].ctx->nb_chapters) {
3719 chapters_input_file = i;
3723 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3724 chapters_input_file);
3728 if (chapters_input_file >= 0)
3729 copy_chapters(chapters_input_file, nb_output_files - 1);
3732 for (i = 0; i < nb_meta_data_maps; i++) {
3733 AVFormatContext *files[2];
3734 AVDictionary **meta[2];
3737 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3738 if ((index) < 0 || (index) >= (nb_elems)) {\
3739 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3744 int in_file_index = meta_data_maps[i][1].file;
3745 if (in_file_index < 0)
3747 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3750 files[1] = input_files[in_file_index].ctx;
3752 for (j = 0; j < 2; j++) {
3753 MetadataMap *map = &meta_data_maps[i][j];
3755 switch (map->type) {
3757 meta[j] = &files[j]->metadata;
3760 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3761 meta[j] = &files[j]->streams[map->index]->metadata;
3764 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3765 meta[j] = &files[j]->chapters[map->index]->metadata;
3768 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3769 meta[j] = &files[j]->programs[map->index]->metadata;
3774 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3777 /* copy global metadata by default */
3778 if (metadata_global_autocopy && nb_input_files)
3779 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3780 AV_DICT_DONT_OVERWRITE);
3781 if (metadata_streams_autocopy)
3782 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3783 InputStream *ist = &input_streams[output_streams[i].source_index];
3784 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3787 frame_rate = (AVRational){0, 0};
3790 audio_sample_rate = 0;
3792 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3793 chapters_input_file = INT_MAX;
3794 recording_time = INT64_MAX;
3796 limit_filesize = UINT64_MAX;
3798 av_freep(&meta_data_maps);
3799 nb_meta_data_maps = 0;
3800 metadata_global_autocopy = 1;
3801 metadata_streams_autocopy = 1;
3802 metadata_chapters_autocopy = 1;
3803 av_freep(&stream_maps);
3805 av_freep(&streamid_map);
3806 nb_streamid_map = 0;
3808 av_dict_free(&codec_names);
3810 av_freep(&forced_key_frames);
3816 /* same option as mencoder */
3817 static int opt_pass(const char *opt, const char *arg)
3819 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3823 static int64_t getutime(void)
3826 struct rusage rusage;
3828 getrusage(RUSAGE_SELF, &rusage);
3829 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3830 #elif HAVE_GETPROCESSTIMES
3832 FILETIME c, e, k, u;
3833 proc = GetCurrentProcess();
3834 GetProcessTimes(proc, &c, &e, &k, &u);
3835 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3837 return av_gettime();
3841 static int64_t getmaxrss(void)
3843 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3844 struct rusage rusage;
3845 getrusage(RUSAGE_SELF, &rusage);
3846 return (int64_t)rusage.ru_maxrss * 1024;
3847 #elif HAVE_GETPROCESSMEMORYINFO
3849 PROCESS_MEMORY_COUNTERS memcounters;
3850 proc = GetCurrentProcess();
3851 memcounters.cb = sizeof(memcounters);
3852 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3853 return memcounters.PeakPagefileUsage;
3859 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3862 const char *p = str;
3869 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3876 static int opt_inter_matrix(const char *opt, const char *arg)
3878 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3879 parse_matrix_coeffs(inter_matrix, arg);
3883 static int opt_intra_matrix(const char *opt, const char *arg)
3885 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3886 parse_matrix_coeffs(intra_matrix, arg);
3890 static void show_usage(void)
3892 printf("Hyper fast Audio and Video encoder\n");
3893 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3897 static int opt_help(const char *opt, const char *arg)
3900 AVOutputFormat *oformat = NULL;
3901 AVInputFormat *iformat = NULL;
3903 av_log_set_callback(log_callback_help);
3905 show_help_options(options, "Main options:\n",
3906 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3907 show_help_options(options, "\nAdvanced options:\n",
3908 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3910 show_help_options(options, "\nVideo options:\n",
3911 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3913 show_help_options(options, "\nAdvanced Video options:\n",
3914 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3915 OPT_VIDEO | OPT_EXPERT);
3916 show_help_options(options, "\nAudio options:\n",
3917 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3919 show_help_options(options, "\nAdvanced Audio options:\n",
3920 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3921 OPT_AUDIO | OPT_EXPERT);
3922 show_help_options(options, "\nSubtitle options:\n",
3923 OPT_SUBTITLE | OPT_GRAB,
3925 show_help_options(options, "\nAudio/Video grab options:\n",
3929 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3932 /* individual codec options */
3934 while ((c = av_codec_next(c))) {
3935 if (c->priv_class) {
3936 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3941 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3944 /* individual muxer options */
3945 while ((oformat = av_oformat_next(oformat))) {
3946 if (oformat->priv_class) {
3947 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3952 /* individual demuxer options */
3953 while ((iformat = av_iformat_next(iformat))) {
3954 if (iformat->priv_class) {
3955 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3960 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3964 static int opt_target(const char *opt, const char *arg)
3966 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3967 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3969 if(!strncmp(arg, "pal-", 4)) {
3972 } else if(!strncmp(arg, "ntsc-", 5)) {
3975 } else if(!strncmp(arg, "film-", 5)) {
3980 /* Calculate FR via float to avoid int overflow */
3981 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3984 } else if((fr == 29970) || (fr == 23976)) {
3987 /* Try to determine PAL/NTSC by peeking in the input files */
3988 if(nb_input_files) {
3990 for (j = 0; j < nb_input_files; j++) {
3991 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3992 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3993 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3995 fr = c->time_base.den * 1000 / c->time_base.num;
3999 } else if((fr == 29970) || (fr == 23976)) {
4009 if(verbose > 0 && norm != UNKNOWN)
4010 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4013 if(norm == UNKNOWN) {
4014 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4015 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4016 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4020 if(!strcmp(arg, "vcd")) {
4021 opt_codec("c:v", "mpeg1video");
4022 opt_codec("c:a", "mp2");
4023 opt_format("f", "vcd");
4025 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4026 opt_frame_rate("r", frame_rates[norm]);
4027 opt_default("g", norm == PAL ? "15" : "18");
4029 opt_default("b", "1150000");
4030 opt_default("maxrate", "1150000");
4031 opt_default("minrate", "1150000");
4032 opt_default("bufsize", "327680"); // 40*1024*8;
4034 opt_default("b:a", "224000");
4035 audio_sample_rate = 44100;
4038 opt_default("packetsize", "2324");
4039 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4041 /* We have to offset the PTS, so that it is consistent with the SCR.
4042 SCR starts at 36000, but the first two packs contain only padding
4043 and the first pack from the other stream, respectively, may also have
4044 been written before.
4045 So the real data starts at SCR 36000+3*1200. */
4046 mux_preload= (36000+3*1200) / 90000.0; //0.44
4047 } else if(!strcmp(arg, "svcd")) {
4049 opt_codec("c:v", "mpeg2video");
4050 opt_codec("c:a", "mp2");
4051 opt_format("f", "svcd");
4053 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4054 opt_frame_rate("r", frame_rates[norm]);
4055 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4056 opt_default("g", norm == PAL ? "15" : "18");
4058 opt_default("b", "2040000");
4059 opt_default("maxrate", "2516000");
4060 opt_default("minrate", "0"); //1145000;
4061 opt_default("bufsize", "1835008"); //224*1024*8;
4062 opt_default("flags", "+scan_offset");
4065 opt_default("b:a", "224000");
4066 audio_sample_rate = 44100;
4068 opt_default("packetsize", "2324");
4070 } else if(!strcmp(arg, "dvd")) {
4072 opt_codec("c:v", "mpeg2video");
4073 opt_codec("c:a", "ac3");
4074 opt_format("f", "dvd");
4076 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4077 opt_frame_rate("r", frame_rates[norm]);
4078 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4079 opt_default("g", norm == PAL ? "15" : "18");
4081 opt_default("b", "6000000");
4082 opt_default("maxrate", "9000000");
4083 opt_default("minrate", "0"); //1500000;
4084 opt_default("bufsize", "1835008"); //224*1024*8;
4086 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4087 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4089 opt_default("b:a", "448000");
4090 audio_sample_rate = 48000;
4092 } else if(!strncmp(arg, "dv", 2)) {
4094 opt_format("f", "dv");
4096 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4097 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4098 norm == PAL ? "yuv420p" : "yuv411p");
4099 opt_frame_rate("r", frame_rates[norm]);
4101 audio_sample_rate = 48000;
4105 fprintf(stderr, "Unknown target: %s\n", arg);
4106 return AVERROR(EINVAL);
4111 static int opt_vstats_file(const char *opt, const char *arg)
4113 av_free (vstats_filename);
4114 vstats_filename=av_strdup (arg);
4118 static int opt_vstats(const char *opt, const char *arg)
4121 time_t today2 = time(NULL);
4122 struct tm *today = localtime(&today2);
4124 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4126 return opt_vstats_file(opt, filename);
4129 static int opt_bsf(const char *opt, const char *arg)
4131 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4132 AVBitStreamFilterContext **bsfp;
4135 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4139 bsfp= *opt == 'v' ? &video_bitstream_filters :
4140 *opt == 'a' ? &audio_bitstream_filters :
4141 &subtitle_bitstream_filters;
4143 bsfp= &(*bsfp)->next;
4150 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4154 static int opt_passlogfile(const char *opt, const char *arg)
4156 pass_logfilename_prefix = arg;
4157 #if CONFIG_LIBX264_ENCODER
4158 return opt_default("passlogfile", arg);
4164 static const OptionDef options[] = {
4166 #include "cmdutils_common_opts.h"
4167 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4168 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4169 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4170 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4171 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4172 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4173 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4174 "outfile[,metadata]:infile[,metadata]" },
4175 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4176 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4177 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4178 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4179 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4180 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4181 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4182 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4183 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4184 "add timings for benchmarking" },
4185 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4186 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4187 "dump each input packet" },
4188 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4189 "when dumping packets, also dump the payload" },
4190 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4191 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4192 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4193 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4194 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4195 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4196 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4197 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4198 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4199 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4200 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4201 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4202 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4203 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4206 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4207 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4208 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4209 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4210 { "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" },
4211 { "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" },
4212 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4213 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4214 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4215 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4216 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4217 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4218 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4219 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4220 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4221 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4222 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4223 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4224 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4225 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4226 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4227 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4228 "use same quantizer as source (implies VBR)" },
4229 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4230 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4231 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4232 "deinterlace pictures" },
4233 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4234 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4235 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4237 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4239 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4240 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4241 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4242 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4243 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4244 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4245 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4246 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4247 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4248 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4251 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4252 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4253 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4254 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4255 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4256 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4257 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4258 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4259 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4260 { "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" },
4262 /* subtitle options */
4263 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4264 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4265 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4266 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4269 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4272 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4273 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4275 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4276 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4277 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4279 /* data codec support */
4280 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4282 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4286 int main(int argc, char **argv)
4290 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4292 if(argc>1 && !strcmp(argv[1], "-d")){
4295 av_log_set_callback(log_callback_null);
4300 avcodec_register_all();
4302 avdevice_register_all();
4305 avfilter_register_all();
4310 if(isatty(STDIN_FILENO))
4311 avio_set_interrupt_cb(decode_interrupt_cb);
4320 parse_options(argc, argv, options, opt_output_file);
4322 if(nb_output_files <= 0 && nb_input_files == 0) {
4324 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4328 /* file converter / grab */
4329 if (nb_output_files <= 0) {
4330 fprintf(stderr, "At least one output file must be specified\n");
4334 if (nb_input_files == 0) {
4335 fprintf(stderr, "At least one input file must be specified\n");
4340 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4342 ti = getutime() - ti;
4344 int maxrss = getmaxrss() / 1024;
4345 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4348 return exit_program(0);