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 AVDictionary *ts_scale;
115 static AVDictionary *codec_names;
117 /* first item specifies output metadata, second is input */
118 static MetadataMap (*meta_data_maps)[2] = NULL;
119 static int nb_meta_data_maps;
120 static int metadata_global_autocopy = 1;
121 static int metadata_streams_autocopy = 1;
122 static int metadata_chapters_autocopy = 1;
124 static int chapters_input_file = INT_MAX;
126 /* indexed by output file stream index */
127 static int *streamid_map = NULL;
128 static int nb_streamid_map = 0;
130 static int frame_width = 0;
131 static int frame_height = 0;
132 static float frame_aspect_ratio = 0;
133 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
134 static int frame_bits_per_raw_sample = 0;
135 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
136 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
137 static AVRational frame_rate;
138 static float video_qscale = 0;
139 static uint16_t *intra_matrix = NULL;
140 static uint16_t *inter_matrix = NULL;
141 static const char *video_rc_override_string=NULL;
142 static int video_disable = 0;
143 static int video_discard = 0;
144 static unsigned int video_codec_tag = 0;
145 static char *video_language = NULL;
146 static int same_quant = 0;
147 static int do_deinterlace = 0;
148 static int top_field_first = -1;
149 static int me_threshold = 0;
150 static int intra_dc_precision = 8;
151 static int qp_hist = 0;
153 static char *vfilters = NULL;
156 static int audio_sample_rate = 0;
157 #define QSCALE_NONE -99999
158 static float audio_qscale = QSCALE_NONE;
159 static int audio_disable = 0;
160 static int audio_channels = 0;
161 static unsigned int audio_codec_tag = 0;
162 static char *audio_language = NULL;
164 static int subtitle_disable = 0;
165 static char *subtitle_language = NULL;
166 static unsigned int subtitle_codec_tag = 0;
168 static int data_disable = 0;
169 static unsigned int data_codec_tag = 0;
171 static float mux_preload= 0.5;
172 static float mux_max_delay= 0.7;
174 static int file_overwrite = 0;
175 static AVDictionary *metadata;
176 static int do_benchmark = 0;
177 static int do_hex_dump = 0;
178 static int do_pkt_dump = 0;
179 static int do_psnr = 0;
180 static int do_pass = 0;
181 static const char *pass_logfilename_prefix;
182 static int video_sync_method= -1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int copy_tb= 0;
187 static int opt_shortest = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190 static int opt_programid = 0;
191 static int copy_initial_nonkeyframes = 0;
193 static int rate_emu = 0;
195 static int audio_volume = 256;
197 static int exit_on_error = 0;
198 static int using_stdin = 0;
199 static int verbose = 1;
200 static int run_as_daemon = 0;
201 static int q_pressed = 0;
202 static int64_t video_size = 0;
203 static int64_t audio_size = 0;
204 static int64_t extra_size = 0;
205 static int nb_frames_dup = 0;
206 static int nb_frames_drop = 0;
207 static int input_sync;
208 static int force_fps = 0;
209 static char *forced_key_frames = NULL;
211 static float dts_delta_threshold = 10;
213 static uint8_t *audio_buf;
214 static uint8_t *audio_out;
215 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
217 static short *samples;
219 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
223 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
225 typedef struct InputStream {
228 int discard; /* true if stream data should be discarded */
229 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
232 int64_t start; /* time when read started */
233 int64_t next_pts; /* synthetic pts for cases where pkt.pts
235 int64_t pts; /* current pts */
237 int is_start; /* is 1 at the start and after a discontinuity */
238 int showed_multi_packet_warning;
242 typedef struct InputFile {
243 AVFormatContext *ctx;
244 int eof_reached; /* true if eof reached */
245 int ist_index; /* index of first stream in ist_table */
246 int buffer_size; /* current total buffer size */
248 int nb_streams; /* number of stream that avconv is aware of; may be different
249 from ctx.nb_streams if new streams appear during av_read_frame() */
252 typedef struct OutputStream {
253 int file_index; /* file index */
254 int index; /* stream index in the output file */
255 int source_index; /* InputStream index */
256 AVStream *st; /* stream in the output file */
257 int encoding_needed; /* true if encoding needed for this stream */
259 /* input pts and corresponding output pts
261 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
262 struct InputStream *sync_ist; /* input stream to sync against */
263 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
264 AVBitStreamFilterContext *bitstream_filters;
269 AVFrame resample_frame; /* temporary frame for image resampling */
270 struct SwsContext *img_resample_ctx; /* for image resampling */
273 int resample_pix_fmt;
274 AVRational frame_rate;
276 float frame_aspect_ratio;
278 /* forced key frames */
279 int64_t *forced_kf_pts;
285 ReSampleContext *resample; /* for audio resampling */
286 int resample_sample_fmt;
287 int resample_channels;
288 int resample_sample_rate;
290 AVAudioConvert *reformat_ctx;
291 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
295 AVFilterContext *output_video_filter;
296 AVFilterContext *input_video_filter;
297 AVFilterBufferRef *picref;
299 AVFilterGraph *graph;
304 int is_past_recording_time;
309 /* init terminal so that we can grab keys */
310 static struct termios oldtty;
313 typedef struct OutputFile {
314 AVFormatContext *ctx;
316 int ost_index; /* index of the first stream in output_streams */
317 int64_t recording_time; /* desired length of the resulting file in microseconds */
318 int64_t start_time; /* start time in microseconds */
319 uint64_t limit_filesize;
322 static InputStream *input_streams = NULL;
323 static int nb_input_streams = 0;
324 static InputFile *input_files = NULL;
325 static int nb_input_files = 0;
327 static OutputStream *output_streams = NULL;
328 static int nb_output_streams = 0;
329 static OutputFile *output_files = NULL;
330 static int nb_output_files = 0;
332 typedef struct OptionsContext {
333 /* input/output options */
338 int64_t input_ts_offset;
341 StreamMap *stream_maps;
344 int64_t recording_time;
345 uint64_t limit_filesize;
348 static void reset_options(OptionsContext *o)
350 const OptionDef *po = options;
352 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
354 void *dst = (uint8_t*)o + po->u.off;
356 if (po->flags & OPT_SPEC) {
357 SpecifierOpt **so = dst;
358 int i, *count = (int*)(so + 1);
359 for (i = 0; i < *count; i++) {
360 av_freep(&(*so)[i].specifier);
361 if (po->flags & OPT_STRING)
362 av_freep(&(*so)[i].u.str);
366 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
371 av_freep(&o->stream_maps);
373 memset(o, 0, sizeof(*o));
375 o->recording_time = INT64_MAX;
376 o->limit_filesize = UINT64_MAX;
384 static int configure_video_filters(InputStream *ist, OutputStream *ost)
386 AVFilterContext *last_filter, *filter;
387 /** filter graph containing all filters including input & output */
388 AVCodecContext *codec = ost->st->codec;
389 AVCodecContext *icodec = ist->st->codec;
390 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
391 AVRational sample_aspect_ratio;
395 ost->graph = avfilter_graph_alloc();
397 if (ist->st->sample_aspect_ratio.num){
398 sample_aspect_ratio = ist->st->sample_aspect_ratio;
400 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
402 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
403 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
404 sample_aspect_ratio.num, sample_aspect_ratio.den);
406 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
407 "src", args, NULL, ost->graph);
410 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
411 "out", NULL, pix_fmts, ost->graph);
414 last_filter = ost->input_video_filter;
416 if (codec->width != icodec->width || codec->height != icodec->height) {
417 snprintf(args, 255, "%d:%d:flags=0x%X",
421 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
422 NULL, args, NULL, ost->graph)) < 0)
424 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
426 last_filter = filter;
429 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
430 ost->graph->scale_sws_opts = av_strdup(args);
433 AVFilterInOut *outputs = avfilter_inout_alloc();
434 AVFilterInOut *inputs = avfilter_inout_alloc();
436 outputs->name = av_strdup("in");
437 outputs->filter_ctx = last_filter;
438 outputs->pad_idx = 0;
439 outputs->next = NULL;
441 inputs->name = av_strdup("out");
442 inputs->filter_ctx = ost->output_video_filter;
446 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
448 av_freep(&ost->avfilter);
450 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
454 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
457 codec->width = ost->output_video_filter->inputs[0]->w;
458 codec->height = ost->output_video_filter->inputs[0]->h;
459 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
460 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
461 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
462 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
466 #endif /* CONFIG_AVFILTER */
468 static void term_exit(void)
470 av_log(NULL, AV_LOG_QUIET, "%s", "");
473 tcsetattr (0, TCSANOW, &oldtty);
477 static volatile int received_sigterm = 0;
480 sigterm_handler(int sig)
482 received_sigterm = sig;
487 static void term_init(void)
497 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
498 |INLCR|IGNCR|ICRNL|IXON);
499 tty.c_oflag |= OPOST;
500 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
501 tty.c_cflag &= ~(CSIZE|PARENB);
506 tcsetattr (0, TCSANOW, &tty);
507 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
511 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
512 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
514 signal(SIGXCPU, sigterm_handler);
518 /* read a key without blocking */
519 static int read_key(void)
534 n = select(1, &rfds, NULL, NULL, &tv);
549 static int decode_interrupt_cb(void)
551 q_pressed += read_key() == 'q';
552 return q_pressed > 1;
555 void exit_program(int ret)
560 for(i=0;i<nb_output_files;i++) {
561 AVFormatContext *s = output_files[i].ctx;
562 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
564 avformat_free_context(s);
565 av_dict_free(&output_files[i].opts);
567 for(i=0;i<nb_input_files;i++) {
568 av_close_input_file(input_files[i].ctx);
570 for (i = 0; i < nb_input_streams; i++)
571 av_dict_free(&input_streams[i].opts);
573 av_free(intra_matrix);
574 av_free(inter_matrix);
578 av_free(vstats_filename);
580 av_free(meta_data_maps);
582 av_freep(&input_streams);
583 av_freep(&input_files);
584 av_freep(&output_streams);
585 av_freep(&output_files);
590 allocated_audio_buf_size= allocated_audio_out_size= 0;
597 if (received_sigterm) {
599 "Received signal %d: terminating.\n",
600 (int) received_sigterm);
604 exit(ret); /* not all OS-es handle main() return value */
607 static void assert_avoptions(AVDictionary *m)
609 AVDictionaryEntry *t;
610 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
611 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
616 static void assert_codec_experimental(AVCodecContext *c, int encoder)
618 const char *codec_string = encoder ? "encoder" : "decoder";
620 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
621 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
622 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
623 "results.\nAdd '-strict experimental' if you want to use it.\n",
624 codec_string, c->codec->name);
625 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
626 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
627 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
628 codec_string, codec->name);
633 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
635 if(codec && codec->sample_fmts){
636 const enum AVSampleFormat *p= codec->sample_fmts;
638 if(*p == st->codec->sample_fmt)
642 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
643 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
644 if(av_get_sample_fmt_name(st->codec->sample_fmt))
645 av_log(NULL, AV_LOG_WARNING,
646 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
647 av_get_sample_fmt_name(st->codec->sample_fmt),
649 av_get_sample_fmt_name(codec->sample_fmts[0]));
650 st->codec->sample_fmt = codec->sample_fmts[0];
655 static void choose_sample_rate(AVStream *st, AVCodec *codec)
657 if(codec && codec->supported_samplerates){
658 const int *p= codec->supported_samplerates;
660 int best_dist=INT_MAX;
662 int dist= abs(st->codec->sample_rate - *p);
663 if(dist < best_dist){
669 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
671 st->codec->sample_rate= best;
675 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
677 if(codec && codec->pix_fmts){
678 const enum PixelFormat *p= codec->pix_fmts;
679 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
680 if(st->codec->codec_id==CODEC_ID_MJPEG){
681 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
682 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
683 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};
687 if(*p == st->codec->pix_fmt)
691 if(st->codec->pix_fmt != PIX_FMT_NONE)
692 av_log(NULL, AV_LOG_WARNING,
693 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
694 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
696 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
697 st->codec->pix_fmt = codec->pix_fmts[0];
703 get_sync_ipts(const OutputStream *ost)
705 const InputStream *ist = ost->sync_ist;
706 OutputFile *of = &output_files[ost->file_index];
707 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
710 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
714 AVPacket new_pkt= *pkt;
715 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
716 &new_pkt.data, &new_pkt.size,
717 pkt->data, pkt->size,
718 pkt->flags & AV_PKT_FLAG_KEY);
721 new_pkt.destruct= av_destruct_packet;
723 fprintf(stderr, "%s failed for stream %d, codec %s",
724 bsfc->filter->name, pkt->stream_index,
725 avctx->codec ? avctx->codec->name : "copy");
735 ret= av_interleaved_write_frame(s, pkt);
737 print_error("av_interleaved_write_frame()", ret);
742 static void do_audio_out(AVFormatContext *s,
745 unsigned char *buf, int size)
748 int64_t audio_out_size, audio_buf_size;
749 int64_t allocated_for_size= size;
751 int size_out, frame_bytes, ret, resample_changed;
752 AVCodecContext *enc= ost->st->codec;
753 AVCodecContext *dec= ist->st->codec;
754 int osize = av_get_bytes_per_sample(enc->sample_fmt);
755 int isize = av_get_bytes_per_sample(dec->sample_fmt);
756 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
759 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
760 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
761 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
762 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
763 audio_buf_size*= osize*enc->channels;
765 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
766 if(coded_bps > 8*osize)
767 audio_out_size= audio_out_size * coded_bps / (8*osize);
768 audio_out_size += FF_MIN_BUFFER_SIZE;
770 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
771 fprintf(stderr, "Buffer sizes too large\n");
775 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
776 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
777 if (!audio_buf || !audio_out){
778 fprintf(stderr, "Out of memory in do_audio_out\n");
782 if (enc->channels != dec->channels)
783 ost->audio_resample = 1;
785 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
786 ost->resample_channels != dec->channels ||
787 ost->resample_sample_rate != dec->sample_rate;
789 if ((ost->audio_resample && !ost->resample) || resample_changed) {
790 if (resample_changed) {
791 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",
792 ist->file_index, ist->st->index,
793 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
794 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
795 ost->resample_sample_fmt = dec->sample_fmt;
796 ost->resample_channels = dec->channels;
797 ost->resample_sample_rate = dec->sample_rate;
799 audio_resample_close(ost->resample);
801 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
802 if (audio_sync_method <= 1 &&
803 ost->resample_sample_fmt == enc->sample_fmt &&
804 ost->resample_channels == enc->channels &&
805 ost->resample_sample_rate == enc->sample_rate) {
806 ost->resample = NULL;
807 ost->audio_resample = 0;
809 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
810 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
811 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
812 enc->sample_rate, dec->sample_rate,
813 enc->sample_fmt, dec->sample_fmt,
815 if (!ost->resample) {
816 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
817 dec->channels, dec->sample_rate,
818 enc->channels, enc->sample_rate);
824 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
825 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
826 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
827 if (ost->reformat_ctx)
828 av_audio_convert_free(ost->reformat_ctx);
829 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
830 dec->sample_fmt, 1, NULL, 0);
831 if (!ost->reformat_ctx) {
832 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
833 av_get_sample_fmt_name(dec->sample_fmt),
834 av_get_sample_fmt_name(enc->sample_fmt));
837 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
840 if(audio_sync_method){
841 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
842 - av_fifo_size(ost->fifo)/(enc->channels * 2);
843 double idelta= delta*dec->sample_rate / enc->sample_rate;
844 int byte_delta= ((int)idelta)*2*dec->channels;
846 //FIXME resample delay
847 if(fabs(delta) > 50){
848 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
850 byte_delta= FFMAX(byte_delta, -size);
854 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
859 static uint8_t *input_tmp= NULL;
860 input_tmp= av_realloc(input_tmp, byte_delta + size);
862 if(byte_delta > allocated_for_size - size){
863 allocated_for_size= byte_delta + (int64_t)size;
868 memset(input_tmp, 0, byte_delta);
869 memcpy(input_tmp + byte_delta, buf, size);
873 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
875 }else if(audio_sync_method>1){
876 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
877 av_assert0(ost->audio_resample);
879 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
880 // 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));
881 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
885 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
886 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
888 if (ost->audio_resample) {
890 size_out = audio_resample(ost->resample,
891 (short *)buftmp, (short *)buf,
892 size / (dec->channels * isize));
893 size_out = size_out * enc->channels * osize;
899 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
900 const void *ibuf[6]= {buftmp};
901 void *obuf[6]= {audio_buf};
902 int istride[6]= {isize};
903 int ostride[6]= {osize};
904 int len= size_out/istride[0];
905 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
906 printf("av_audio_convert() failed\n");
912 size_out = len*osize;
915 /* now encode as many frames as possible */
916 if (enc->frame_size > 1) {
917 /* output resampled raw samples */
918 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
919 fprintf(stderr, "av_fifo_realloc2() failed\n");
922 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
924 frame_bytes = enc->frame_size * osize * enc->channels;
926 while (av_fifo_size(ost->fifo) >= frame_bytes) {
928 av_init_packet(&pkt);
930 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
932 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
934 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
937 fprintf(stderr, "Audio encoding failed\n");
941 pkt.stream_index= ost->index;
944 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
945 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
946 pkt.flags |= AV_PKT_FLAG_KEY;
947 write_frame(s, &pkt, enc, ost->bitstream_filters);
949 ost->sync_opts += enc->frame_size;
953 av_init_packet(&pkt);
955 ost->sync_opts += size_out / (osize * enc->channels);
957 /* output a pcm frame */
958 /* determine the size of the coded buffer */
961 size_out = size_out*coded_bps/8;
963 if(size_out > audio_out_size){
964 fprintf(stderr, "Internal error, buffer size too small\n");
968 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
969 ret = avcodec_encode_audio(enc, audio_out, size_out,
972 fprintf(stderr, "Audio encoding failed\n");
976 pkt.stream_index= ost->index;
979 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
980 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
981 pkt.flags |= AV_PKT_FLAG_KEY;
982 write_frame(s, &pkt, enc, ost->bitstream_filters);
986 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
990 AVPicture picture_tmp;
993 dec = ist->st->codec;
995 /* deinterlace : must be done before any resize */
996 if (do_deinterlace) {
999 /* create temporary picture */
1000 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1001 buf = av_malloc(size);
1005 picture2 = &picture_tmp;
1006 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1008 if(avpicture_deinterlace(picture2, picture,
1009 dec->pix_fmt, dec->width, dec->height) < 0) {
1010 /* if error, do not deinterlace */
1011 fprintf(stderr, "Deinterlacing failed\n");
1020 if (picture != picture2)
1021 *picture = *picture2;
1025 static void do_subtitle_out(AVFormatContext *s,
1031 static uint8_t *subtitle_out = NULL;
1032 int subtitle_out_max_size = 1024 * 1024;
1033 int subtitle_out_size, nb, i;
1034 AVCodecContext *enc;
1037 if (pts == AV_NOPTS_VALUE) {
1038 fprintf(stderr, "Subtitle packets must have a pts\n");
1044 enc = ost->st->codec;
1046 if (!subtitle_out) {
1047 subtitle_out = av_malloc(subtitle_out_max_size);
1050 /* Note: DVB subtitle need one packet to draw them and one other
1051 packet to clear them */
1052 /* XXX: signal it in the codec context ? */
1053 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1058 for(i = 0; i < nb; i++) {
1059 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1060 // start_display_time is required to be 0
1061 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1062 sub->end_display_time -= sub->start_display_time;
1063 sub->start_display_time = 0;
1064 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1065 subtitle_out_max_size, sub);
1066 if (subtitle_out_size < 0) {
1067 fprintf(stderr, "Subtitle encoding failed\n");
1071 av_init_packet(&pkt);
1072 pkt.stream_index = ost->index;
1073 pkt.data = subtitle_out;
1074 pkt.size = subtitle_out_size;
1075 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1076 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1077 /* XXX: the pts correction is handled here. Maybe handling
1078 it in the codec would be better */
1080 pkt.pts += 90 * sub->start_display_time;
1082 pkt.pts += 90 * sub->end_display_time;
1084 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1088 static int bit_buffer_size= 1024*256;
1089 static uint8_t *bit_buffer= NULL;
1091 static void do_video_resample(OutputStream *ost,
1093 AVFrame *in_picture,
1094 AVFrame **out_picture)
1096 int resample_changed = 0;
1097 AVCodecContext *dec = ist->st->codec;
1098 AVCodecContext *enc = ost->st->codec;
1099 *out_picture = in_picture;
1101 resample_changed = ost->resample_width != dec->width ||
1102 ost->resample_height != dec->height ||
1103 ost->resample_pix_fmt != dec->pix_fmt;
1105 #if !CONFIG_AVFILTER
1106 if (resample_changed) {
1107 av_log(NULL, AV_LOG_INFO,
1108 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1109 ist->file_index, ist->st->index,
1110 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1111 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1112 ost->resample_width = dec->width;
1113 ost->resample_height = dec->height;
1114 ost->resample_pix_fmt = dec->pix_fmt;
1117 ost->video_resample = dec->width != enc->width ||
1118 dec->height != enc->height ||
1119 dec->pix_fmt != enc->pix_fmt;
1121 if (ost->video_resample) {
1122 *out_picture = &ost->resample_frame;
1123 if (!ost->img_resample_ctx || resample_changed) {
1124 /* initialize the destination picture */
1125 if (!ost->resample_frame.data[0]) {
1126 avcodec_get_frame_defaults(&ost->resample_frame);
1127 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1128 enc->width, enc->height)) {
1129 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1133 /* initialize a new scaler context */
1134 sws_freeContext(ost->img_resample_ctx);
1135 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1136 enc->width, enc->height, enc->pix_fmt,
1137 ost->sws_flags, NULL, NULL, NULL);
1138 if (ost->img_resample_ctx == NULL) {
1139 fprintf(stderr, "Cannot get resampling context\n");
1143 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1144 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1147 if (resample_changed) {
1148 avfilter_graph_free(&ost->graph);
1149 if (configure_video_filters(ist, ost)) {
1150 fprintf(stderr, "Error reinitializing filters!\n");
1155 if (resample_changed) {
1156 ost->resample_width = dec->width;
1157 ost->resample_height = dec->height;
1158 ost->resample_pix_fmt = dec->pix_fmt;
1163 static void do_video_out(AVFormatContext *s,
1166 AVFrame *in_picture,
1167 int *frame_size, float quality)
1169 int nb_frames, i, ret, format_video_sync;
1170 AVFrame *final_picture;
1171 AVCodecContext *enc;
1174 enc = ost->st->codec;
1176 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1178 /* by default, we output a single frame */
1183 format_video_sync = video_sync_method;
1184 if (format_video_sync < 0)
1185 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1187 if (format_video_sync) {
1188 double vdelta = sync_ipts - ost->sync_opts;
1189 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1192 else if (format_video_sync == 2) {
1195 }else if(vdelta>0.6)
1196 ost->sync_opts= lrintf(sync_ipts);
1197 }else if (vdelta > 1.1)
1198 nb_frames = lrintf(vdelta);
1199 //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);
1200 if (nb_frames == 0){
1203 fprintf(stderr, "*** drop!\n");
1204 }else if (nb_frames > 1) {
1205 nb_frames_dup += nb_frames - 1;
1207 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1210 ost->sync_opts= lrintf(sync_ipts);
1212 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1216 do_video_resample(ost, ist, in_picture, &final_picture);
1218 /* duplicates frame if needed */
1219 for(i=0;i<nb_frames;i++) {
1221 av_init_packet(&pkt);
1222 pkt.stream_index= ost->index;
1224 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1225 /* raw pictures are written as AVPicture structure to
1226 avoid any copies. We support temporarily the older
1228 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1229 enc->coded_frame->top_field_first = in_picture->top_field_first;
1230 pkt.data= (uint8_t *)final_picture;
1231 pkt.size= sizeof(AVPicture);
1232 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1233 pkt.flags |= AV_PKT_FLAG_KEY;
1235 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1237 AVFrame big_picture;
1239 big_picture= *final_picture;
1240 /* better than nothing: use input picture interlaced
1242 big_picture.interlaced_frame = in_picture->interlaced_frame;
1243 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1244 if(top_field_first == -1)
1245 big_picture.top_field_first = in_picture->top_field_first;
1247 big_picture.top_field_first = top_field_first;
1250 /* handles same_quant here. This is not correct because it may
1251 not be a global option */
1252 big_picture.quality = quality;
1254 big_picture.pict_type = 0;
1255 // big_picture.pts = AV_NOPTS_VALUE;
1256 big_picture.pts= ost->sync_opts;
1257 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1258 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1259 if (ost->forced_kf_index < ost->forced_kf_count &&
1260 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1261 big_picture.pict_type = AV_PICTURE_TYPE_I;
1262 ost->forced_kf_index++;
1264 ret = avcodec_encode_video(enc,
1265 bit_buffer, bit_buffer_size,
1268 fprintf(stderr, "Video encoding failed\n");
1273 pkt.data= bit_buffer;
1275 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1276 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1277 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1278 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1279 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1281 if(enc->coded_frame->key_frame)
1282 pkt.flags |= AV_PKT_FLAG_KEY;
1283 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1286 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1287 // enc->frame_number-1, ret, enc->pict_type);
1288 /* if two pass, output log */
1289 if (ost->logfile && enc->stats_out) {
1290 fprintf(ost->logfile, "%s", enc->stats_out);
1295 ost->frame_number++;
1299 static double psnr(double d){
1300 return -10.0*log(d)/log(10.0);
1303 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1306 AVCodecContext *enc;
1308 double ti1, bitrate, avg_bitrate;
1310 /* this is executed just the first time do_video_stats is called */
1312 vstats_file = fopen(vstats_filename, "w");
1319 enc = ost->st->codec;
1320 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1321 frame_number = ost->frame_number;
1322 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1323 if (enc->flags&CODEC_FLAG_PSNR)
1324 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1326 fprintf(vstats_file,"f_size= %6d ", frame_size);
1327 /* compute pts value */
1328 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1332 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1333 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1334 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1335 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1336 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1340 static void print_report(OutputFile *output_files,
1341 OutputStream *ost_table, int nb_ostreams,
1342 int is_last_report, int64_t timer_start)
1346 AVFormatContext *oc;
1348 AVCodecContext *enc;
1349 int frame_number, vid, i;
1351 int64_t pts = INT64_MAX;
1352 static int64_t last_time = -1;
1353 static int qp_histogram[52];
1355 if (!is_last_report) {
1357 /* display the report every 0.5 seconds */
1358 cur_time = av_gettime();
1359 if (last_time == -1) {
1360 last_time = cur_time;
1363 if ((cur_time - last_time) < 500000)
1365 last_time = cur_time;
1369 oc = output_files[0].ctx;
1371 total_size = avio_size(oc->pb);
1372 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1373 total_size= avio_tell(oc->pb);
1377 for(i=0;i<nb_ostreams;i++) {
1379 ost = &ost_table[i];
1380 enc = ost->st->codec;
1381 if (!ost->st->stream_copy && enc->coded_frame)
1382 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1383 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1384 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1386 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1387 float t = (av_gettime()-timer_start) / 1000000.0;
1389 frame_number = ost->frame_number;
1390 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1391 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1393 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1397 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1402 if (enc->flags&CODEC_FLAG_PSNR){
1404 double error, error_sum=0;
1405 double scale, scale_sum=0;
1406 char type[3]= {'Y','U','V'};
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1410 error= enc->error[j];
1411 scale= enc->width*enc->height*255.0*255.0*frame_number;
1413 error= enc->coded_frame->error[j];
1414 scale= enc->width*enc->height*255.0*255.0;
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1425 /* compute min output value */
1426 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1427 ost->st->time_base, AV_TIME_BASE_Q));
1430 if (verbose > 0 || is_last_report) {
1431 int hours, mins, secs, us;
1432 secs = pts / AV_TIME_BASE;
1433 us = pts % AV_TIME_BASE;
1439 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1441 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1442 "size=%8.0fkB time=", total_size / 1024.0);
1443 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1444 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1445 (100 * us) / AV_TIME_BASE);
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1447 "bitrate=%6.1fkbits/s", bitrate);
1449 if (nb_frames_dup || nb_frames_drop)
1450 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1451 nb_frames_dup, nb_frames_drop);
1454 fprintf(stderr, "%s \r", buf);
1459 if (is_last_report && verbose >= 0){
1460 int64_t raw= audio_size + video_size + extra_size;
1461 fprintf(stderr, "\n");
1462 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1466 100.0*(total_size - raw)/raw
1471 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1473 int fill_char = 0x00;
1474 if (sample_fmt == AV_SAMPLE_FMT_U8)
1476 memset(buf, fill_char, size);
1479 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1483 for (i = 0; i < nb_ostreams; i++) {
1484 OutputStream *ost = &ost_table[i];
1485 AVCodecContext *enc = ost->st->codec;
1486 AVFormatContext *os = output_files[ost->file_index].ctx;
1488 if (!ost->encoding_needed)
1491 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1493 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1499 av_init_packet(&pkt);
1500 pkt.stream_index= ost->index;
1502 switch (ost->st->codec->codec_type) {
1503 case AVMEDIA_TYPE_AUDIO:
1504 fifo_bytes = av_fifo_size(ost->fifo);
1506 /* encode any samples remaining in fifo */
1507 if (fifo_bytes > 0) {
1508 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1509 int fs_tmp = enc->frame_size;
1511 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1512 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1513 enc->frame_size = fifo_bytes / (osize * enc->channels);
1515 int frame_bytes = enc->frame_size*osize*enc->channels;
1516 if (allocated_audio_buf_size < frame_bytes)
1518 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1521 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1522 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1523 ost->st->time_base.num, enc->sample_rate);
1524 enc->frame_size = fs_tmp;
1527 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1530 fprintf(stderr, "Audio encoding failed\n");
1534 pkt.flags |= AV_PKT_FLAG_KEY;
1536 case AVMEDIA_TYPE_VIDEO:
1537 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1539 fprintf(stderr, "Video encoding failed\n");
1543 if(enc->coded_frame && enc->coded_frame->key_frame)
1544 pkt.flags |= AV_PKT_FLAG_KEY;
1545 if (ost->logfile && enc->stats_out) {
1546 fprintf(ost->logfile, "%s", enc->stats_out);
1555 pkt.data = bit_buffer;
1557 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1558 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1559 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1564 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1565 static int output_packet(InputStream *ist, int ist_index,
1566 OutputStream *ost_table, int nb_ostreams,
1567 const AVPacket *pkt)
1569 AVFormatContext *os;
1574 void *buffer_to_free = NULL;
1575 static unsigned int samples_size= 0;
1576 AVSubtitle subtitle, *subtitle_to_free;
1577 int64_t pkt_pts = AV_NOPTS_VALUE;
1579 int frame_available;
1584 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1586 if(ist->next_pts == AV_NOPTS_VALUE)
1587 ist->next_pts= ist->pts;
1591 av_init_packet(&avpkt);
1599 if(pkt->dts != AV_NOPTS_VALUE)
1600 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1601 if(pkt->pts != AV_NOPTS_VALUE)
1602 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1604 //while we have more to decode or while the decoder did output something on EOF
1605 while (avpkt.size > 0 || (!pkt && got_output)) {
1606 uint8_t *data_buf, *decoded_data_buf;
1607 int data_size, decoded_data_size;
1609 ist->pts= ist->next_pts;
1611 if(avpkt.size && avpkt.size != pkt->size &&
1612 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1613 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1614 ist->showed_multi_packet_warning=1;
1617 /* decode the packet if needed */
1618 decoded_data_buf = NULL; /* fail safe */
1619 decoded_data_size= 0;
1620 data_buf = avpkt.data;
1621 data_size = avpkt.size;
1622 subtitle_to_free = NULL;
1623 if (ist->decoding_needed) {
1624 switch(ist->st->codec->codec_type) {
1625 case AVMEDIA_TYPE_AUDIO:{
1626 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1627 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1629 samples= av_malloc(samples_size);
1631 decoded_data_size= samples_size;
1632 /* XXX: could avoid copy if PCM 16 bits with same
1633 endianness as CPU */
1634 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1641 got_output = decoded_data_size > 0;
1642 /* Some bug in mpeg audio decoder gives */
1643 /* decoded_data_size < 0, it seems they are overflows */
1645 /* no audio frame */
1648 decoded_data_buf = (uint8_t *)samples;
1649 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1650 (ist->st->codec->sample_rate * ist->st->codec->channels);
1652 case AVMEDIA_TYPE_VIDEO:
1653 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1654 /* XXX: allocate picture correctly */
1655 avcodec_get_frame_defaults(&picture);
1656 avpkt.pts = pkt_pts;
1657 avpkt.dts = ist->pts;
1658 pkt_pts = AV_NOPTS_VALUE;
1660 ret = avcodec_decode_video2(ist->st->codec,
1661 &picture, &got_output, &avpkt);
1662 quality = same_quant ? picture.quality : 0;
1666 /* no picture yet */
1667 goto discard_packet;
1669 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1670 if (ist->st->codec->time_base.num != 0) {
1671 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1672 ist->next_pts += ((int64_t)AV_TIME_BASE *
1673 ist->st->codec->time_base.num * ticks) /
1674 ist->st->codec->time_base.den;
1677 buffer_to_free = NULL;
1678 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1680 case AVMEDIA_TYPE_SUBTITLE:
1681 ret = avcodec_decode_subtitle2(ist->st->codec,
1682 &subtitle, &got_output, &avpkt);
1686 goto discard_packet;
1688 subtitle_to_free = &subtitle;
1695 switch(ist->st->codec->codec_type) {
1696 case AVMEDIA_TYPE_AUDIO:
1697 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1698 ist->st->codec->sample_rate;
1700 case AVMEDIA_TYPE_VIDEO:
1701 if (ist->st->codec->time_base.num != 0) {
1702 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1703 ist->next_pts += ((int64_t)AV_TIME_BASE *
1704 ist->st->codec->time_base.num * ticks) /
1705 ist->st->codec->time_base.den;
1712 // preprocess audio (volume)
1713 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1714 if (audio_volume != 256) {
1717 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1718 int v = ((*volp) * audio_volume + 128) >> 8;
1719 *volp++ = av_clip_int16(v);
1724 /* frame rate emulation */
1726 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1727 int64_t now = av_gettime() - ist->start;
1731 /* if output time reached then transcode raw format,
1732 encode packets and output them */
1733 for (i = 0; i < nb_ostreams; i++) {
1734 OutputFile *of = &output_files[ost_table[i].file_index];
1737 ost = &ost_table[i];
1738 if (ost->source_index != ist_index)
1741 if (of->start_time && ist->pts < of->start_time)
1744 if (of->recording_time != INT64_MAX &&
1745 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1746 (AVRational){1, 1000000}) >= 0) {
1747 ost->is_past_recording_time = 1;
1752 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1753 ost->input_video_filter) {
1754 if (!picture.sample_aspect_ratio.num)
1755 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1756 picture.pts = ist->pts;
1758 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1760 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1761 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1762 while (frame_available) {
1763 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1764 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1765 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1768 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1769 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1773 os = output_files[ost->file_index].ctx;
1775 /* set the input output pts pairs */
1776 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1778 if (ost->encoding_needed) {
1779 av_assert0(ist->decoding_needed);
1780 switch(ost->st->codec->codec_type) {
1781 case AVMEDIA_TYPE_AUDIO:
1782 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1784 case AVMEDIA_TYPE_VIDEO:
1786 if (ost->picref->video && !ost->frame_aspect_ratio)
1787 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1789 do_video_out(os, ost, ist, &picture, &frame_size,
1790 same_quant ? quality : ost->st->codec->global_quality);
1791 if (vstats_filename && frame_size)
1792 do_video_stats(os, ost, frame_size);
1794 case AVMEDIA_TYPE_SUBTITLE:
1795 do_subtitle_out(os, ost, ist, &subtitle,
1802 AVFrame avframe; //FIXME/XXX remove this
1805 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1806 av_init_packet(&opkt);
1808 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1809 #if !CONFIG_AVFILTER
1815 /* no reencoding needed : output the packet directly */
1816 /* force the input stream PTS */
1818 avcodec_get_frame_defaults(&avframe);
1819 ost->st->codec->coded_frame= &avframe;
1820 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1822 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1823 audio_size += data_size;
1824 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1825 video_size += data_size;
1829 opkt.stream_index= ost->index;
1830 if(pkt->pts != AV_NOPTS_VALUE)
1831 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1833 opkt.pts= AV_NOPTS_VALUE;
1835 if (pkt->dts == AV_NOPTS_VALUE)
1836 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1838 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1839 opkt.dts -= ost_tb_start_time;
1841 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1842 opkt.flags= pkt->flags;
1844 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1845 if( ost->st->codec->codec_id != CODEC_ID_H264
1846 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1847 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1849 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1850 opkt.destruct= av_destruct_packet;
1852 opkt.data = data_buf;
1853 opkt.size = data_size;
1856 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1857 /* store AVPicture in AVPacket, as expected by the output format */
1858 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1859 opkt.data = (uint8_t *)&pict;
1860 opkt.size = sizeof(AVPicture);
1861 opkt.flags |= AV_PKT_FLAG_KEY;
1863 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1864 ost->st->codec->frame_number++;
1865 ost->frame_number++;
1866 av_free_packet(&opkt);
1870 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1871 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1873 avfilter_unref_buffer(ost->picref);
1878 av_free(buffer_to_free);
1879 /* XXX: allocate the subtitles in the codec ? */
1880 if (subtitle_to_free) {
1881 avsubtitle_free(subtitle_to_free);
1882 subtitle_to_free = NULL;
1890 static void print_sdp(OutputFile *output_files, int n)
1894 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1898 for (i = 0; i < n; i++)
1899 avc[i] = output_files[i].ctx;
1901 av_sdp_create(avc, n, sdp, sizeof(sdp));
1902 printf("SDP:\n%s\n", sdp);
1907 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1908 char *error, int error_len)
1911 InputStream *ist = &input_streams[ist_index];
1912 if (ist->decoding_needed) {
1913 AVCodec *codec = ist->dec;
1915 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1916 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1917 return AVERROR(EINVAL);
1920 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1921 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1922 ist->file_index, ist->st->index);
1923 return AVERROR(EINVAL);
1925 assert_codec_experimental(ist->st->codec, 0);
1926 assert_avoptions(ist->opts);
1929 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;
1930 ist->next_pts = AV_NOPTS_VALUE;
1936 static int transcode_init(OutputFile *output_files,
1937 int nb_output_files,
1938 InputFile *input_files,
1942 AVFormatContext *os;
1943 AVCodecContext *codec, *icodec;
1950 for (i = 0; i < nb_input_streams; i++)
1951 input_streams[i].start = av_gettime();
1953 /* output stream init */
1954 for(i=0;i<nb_output_files;i++) {
1955 os = output_files[i].ctx;
1956 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1957 av_dump_format(os, i, os->filename, 1);
1958 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1959 return AVERROR(EINVAL);
1963 /* for each output stream, we compute the right encoding parameters */
1964 for (i = 0; i < nb_output_streams; i++) {
1965 ost = &output_streams[i];
1966 os = output_files[ost->file_index].ctx;
1967 ist = &input_streams[ost->source_index];
1969 codec = ost->st->codec;
1970 icodec = ist->st->codec;
1972 ost->st->disposition = ist->st->disposition;
1973 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1974 codec->chroma_sample_location = icodec->chroma_sample_location;
1976 if (ost->st->stream_copy) {
1977 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1979 if (extra_size > INT_MAX) {
1980 return AVERROR(EINVAL);
1983 /* if stream_copy is selected, no need to decode or encode */
1984 codec->codec_id = icodec->codec_id;
1985 codec->codec_type = icodec->codec_type;
1987 if(!codec->codec_tag){
1988 if( !os->oformat->codec_tag
1989 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1990 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1991 codec->codec_tag = icodec->codec_tag;
1994 codec->bit_rate = icodec->bit_rate;
1995 codec->rc_max_rate = icodec->rc_max_rate;
1996 codec->rc_buffer_size = icodec->rc_buffer_size;
1997 codec->extradata= av_mallocz(extra_size);
1998 if (!codec->extradata) {
1999 return AVERROR(ENOMEM);
2001 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2002 codec->extradata_size= icodec->extradata_size;
2004 codec->time_base = ist->st->time_base;
2005 if(!strcmp(os->oformat->name, "avi")) {
2006 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){
2007 codec->time_base = icodec->time_base;
2008 codec->time_base.num *= icodec->ticks_per_frame;
2009 codec->time_base.den *= 2;
2011 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2012 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){
2013 codec->time_base = icodec->time_base;
2014 codec->time_base.num *= icodec->ticks_per_frame;
2017 av_reduce(&codec->time_base.num, &codec->time_base.den,
2018 codec->time_base.num, codec->time_base.den, INT_MAX);
2020 switch(codec->codec_type) {
2021 case AVMEDIA_TYPE_AUDIO:
2022 if(audio_volume != 256) {
2023 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2026 codec->channel_layout = icodec->channel_layout;
2027 codec->sample_rate = icodec->sample_rate;
2028 codec->channels = icodec->channels;
2029 codec->frame_size = icodec->frame_size;
2030 codec->audio_service_type = icodec->audio_service_type;
2031 codec->block_align= icodec->block_align;
2032 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2033 codec->block_align= 0;
2034 if(codec->codec_id == CODEC_ID_AC3)
2035 codec->block_align= 0;
2037 case AVMEDIA_TYPE_VIDEO:
2038 codec->pix_fmt = icodec->pix_fmt;
2039 codec->width = icodec->width;
2040 codec->height = icodec->height;
2041 codec->has_b_frames = icodec->has_b_frames;
2042 if (!codec->sample_aspect_ratio.num) {
2043 codec->sample_aspect_ratio =
2044 ost->st->sample_aspect_ratio =
2045 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2046 ist->st->codec->sample_aspect_ratio.num ?
2047 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2050 case AVMEDIA_TYPE_SUBTITLE:
2051 codec->width = icodec->width;
2052 codec->height = icodec->height;
2054 case AVMEDIA_TYPE_DATA:
2061 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2062 switch(codec->codec_type) {
2063 case AVMEDIA_TYPE_AUDIO:
2064 ost->fifo= av_fifo_alloc(1024);
2066 return AVERROR(ENOMEM);
2068 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2069 if (!codec->sample_rate) {
2070 codec->sample_rate = icodec->sample_rate;
2072 choose_sample_rate(ost->st, ost->enc);
2073 codec->time_base = (AVRational){1, codec->sample_rate};
2074 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2075 codec->sample_fmt = icodec->sample_fmt;
2076 choose_sample_fmt(ost->st, ost->enc);
2077 if (!codec->channels) {
2078 codec->channels = icodec->channels;
2079 codec->channel_layout = icodec->channel_layout;
2081 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2082 codec->channel_layout = 0;
2083 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2084 icodec->request_channels = codec->channels;
2085 ist->decoding_needed = 1;
2086 ost->encoding_needed = 1;
2087 ost->resample_sample_fmt = icodec->sample_fmt;
2088 ost->resample_sample_rate = icodec->sample_rate;
2089 ost->resample_channels = icodec->channels;
2091 case AVMEDIA_TYPE_VIDEO:
2092 if (codec->pix_fmt == PIX_FMT_NONE)
2093 codec->pix_fmt = icodec->pix_fmt;
2094 choose_pixel_fmt(ost->st, ost->enc);
2096 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2097 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2101 if (!codec->width || !codec->height) {
2102 codec->width = icodec->width;
2103 codec->height = icodec->height;
2106 ost->video_resample = codec->width != icodec->width ||
2107 codec->height != icodec->height ||
2108 codec->pix_fmt != icodec->pix_fmt;
2109 if (ost->video_resample) {
2110 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2113 ost->resample_height = icodec->height;
2114 ost->resample_width = icodec->width;
2115 ost->resample_pix_fmt= icodec->pix_fmt;
2116 ost->encoding_needed = 1;
2117 ist->decoding_needed = 1;
2119 if (!ost->frame_rate.num)
2120 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2121 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2122 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2123 ost->frame_rate = ost->enc->supported_framerates[idx];
2125 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2126 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2127 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2128 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2129 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2133 if (configure_video_filters(ist, ost)) {
2134 fprintf(stderr, "Error opening filters!\n");
2139 case AVMEDIA_TYPE_SUBTITLE:
2140 ost->encoding_needed = 1;
2141 ist->decoding_needed = 1;
2148 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2149 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2150 char logfilename[1024];
2153 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2154 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2156 if (codec->flags & CODEC_FLAG_PASS1) {
2157 f = fopen(logfilename, "wb");
2159 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2165 size_t logbuffer_size;
2166 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2167 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2170 codec->stats_in = logbuffer;
2174 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2175 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2176 int size= codec->width * codec->height;
2177 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2182 bit_buffer = av_malloc(bit_buffer_size);
2184 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2186 return 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)");
2268 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2269 input_streams[ost->source_index].dec->name : "?",
2270 ost->enc ? ost->enc->name : "?");
2271 fprintf(stderr, "\n");
2276 fprintf(stderr, "%s\n", error);
2281 print_sdp(output_files, nb_output_files);
2288 * The following code is the main loop of the file converter
2290 static int transcode(OutputFile *output_files,
2291 int nb_output_files,
2292 InputFile *input_files,
2296 AVFormatContext *is, *os;
2300 int no_packet_count=0;
2301 int64_t timer_start;
2304 if (!(no_packet = av_mallocz(nb_input_files)))
2307 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2313 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2314 avio_set_interrupt_cb(decode_interrupt_cb);
2318 timer_start = av_gettime();
2320 for(; received_sigterm == 0;) {
2321 int file_index, ist_index;
2326 ipts_min = INT64_MAX;
2328 /* if 'q' pressed, exits */
2332 /* read_key() returns 0 on EOF */
2336 if (key == '+') verbose++;
2337 if (key == '-') verbose--;
2338 if (key == 's') qp_hist ^= 1;
2341 do_hex_dump = do_pkt_dump = 0;
2342 } else if(do_pkt_dump){
2346 av_log_set_level(AV_LOG_DEBUG);
2348 if (key == 'd' || key == 'D'){
2351 debug = input_streams[0].st->codec->debug<<1;
2352 if(!debug) debug = 1;
2353 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2356 scanf("%d", &debug);
2357 for(i=0;i<nb_input_streams;i++) {
2358 input_streams[i].st->codec->debug = debug;
2360 for(i=0;i<nb_output_streams;i++) {
2361 ost = &output_streams[i];
2362 ost->st->codec->debug = debug;
2364 if(debug) av_log_set_level(AV_LOG_DEBUG);
2365 fprintf(stderr,"debug=%d\n", debug);
2368 fprintf(stderr, "key function\n"
2369 "? show this help\n"
2370 "+ increase verbosity\n"
2371 "- decrease verbosity\n"
2372 "D cycle through available debug modes\n"
2373 "h dump packets/hex press to cycle through the 3 states\n"
2375 "s Show QP histogram\n"
2380 /* select the stream that we must read now by looking at the
2381 smallest output pts */
2383 for (i = 0; i < nb_output_streams; i++) {
2387 ost = &output_streams[i];
2388 of = &output_files[ost->file_index];
2389 os = output_files[ost->file_index].ctx;
2390 ist = &input_streams[ost->source_index];
2391 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2392 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2394 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2396 if (!input_files[ist->file_index].eof_reached){
2397 if(ipts < ipts_min) {
2399 if(input_sync ) file_index = ist->file_index;
2401 if(opts < opts_min) {
2403 if(!input_sync) file_index = ist->file_index;
2406 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2411 /* if none, if is finished */
2412 if (file_index < 0) {
2413 if(no_packet_count){
2415 memset(no_packet, 0, nb_input_files);
2422 /* read a frame from it and output it in the fifo */
2423 is = input_files[file_index].ctx;
2424 ret= av_read_frame(is, &pkt);
2425 if(ret == AVERROR(EAGAIN)){
2426 no_packet[file_index]=1;
2431 input_files[file_index].eof_reached = 1;
2439 memset(no_packet, 0, nb_input_files);
2442 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2443 is->streams[pkt.stream_index]);
2445 /* the following test is needed in case new streams appear
2446 dynamically in stream : we ignore them */
2447 if (pkt.stream_index >= input_files[file_index].nb_streams)
2448 goto discard_packet;
2449 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2450 ist = &input_streams[ist_index];
2452 goto discard_packet;
2454 if (pkt.dts != AV_NOPTS_VALUE)
2455 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2456 if (pkt.pts != AV_NOPTS_VALUE)
2457 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2459 if (ist->ts_scale) {
2460 if(pkt.pts != AV_NOPTS_VALUE)
2461 pkt.pts *= ist->ts_scale;
2462 if(pkt.dts != AV_NOPTS_VALUE)
2463 pkt.dts *= ist->ts_scale;
2466 // 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);
2467 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2468 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2469 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2470 int64_t delta= pkt_dts - ist->next_pts;
2471 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2472 input_files[ist->file_index].ts_offset -= delta;
2474 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2475 delta, input_files[ist->file_index].ts_offset);
2476 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2477 if(pkt.pts != AV_NOPTS_VALUE)
2478 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2482 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2483 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2486 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2487 ist->file_index, ist->st->index);
2490 av_free_packet(&pkt);
2495 av_free_packet(&pkt);
2497 /* dump report by using the output first video and audio streams */
2498 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2501 /* at the end of stream, we must flush the decoder buffers */
2502 for (i = 0; i < nb_input_streams; i++) {
2503 ist = &input_streams[i];
2504 if (ist->decoding_needed) {
2505 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2508 flush_encoders(output_streams, nb_output_streams);
2512 /* write the trailer if needed and close file */
2513 for(i=0;i<nb_output_files;i++) {
2514 os = output_files[i].ctx;
2515 av_write_trailer(os);
2518 /* dump report by using the first video and audio streams */
2519 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2521 /* close each encoder */
2522 for (i = 0; i < nb_output_streams; i++) {
2523 ost = &output_streams[i];
2524 if (ost->encoding_needed) {
2525 av_freep(&ost->st->codec->stats_in);
2526 avcodec_close(ost->st->codec);
2529 avfilter_graph_free(&ost->graph);
2533 /* close each decoder */
2534 for (i = 0; i < nb_input_streams; i++) {
2535 ist = &input_streams[i];
2536 if (ist->decoding_needed) {
2537 avcodec_close(ist->st->codec);
2545 av_freep(&bit_buffer);
2546 av_freep(&no_packet);
2548 if (output_streams) {
2549 for (i = 0; i < nb_output_streams; i++) {
2550 ost = &output_streams[i];
2552 if (ost->st->stream_copy)
2553 av_freep(&ost->st->codec->extradata);
2555 fclose(ost->logfile);
2556 ost->logfile = NULL;
2558 av_fifo_free(ost->fifo); /* works even if fifo is not
2559 initialized but set to zero */
2560 av_freep(&ost->st->codec->subtitle_header);
2561 av_free(ost->resample_frame.data[0]);
2562 av_free(ost->forced_kf_pts);
2563 if (ost->video_resample)
2564 sws_freeContext(ost->img_resample_ctx);
2566 audio_resample_close(ost->resample);
2567 if (ost->reformat_ctx)
2568 av_audio_convert_free(ost->reformat_ctx);
2569 av_dict_free(&ost->opts);
2576 static int opt_video_rc_override_string(const char *opt, const char *arg)
2578 video_rc_override_string = arg;
2582 static int opt_me_threshold(const char *opt, const char *arg)
2584 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2588 static int opt_verbose(const char *opt, const char *arg)
2590 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2594 static int opt_frame_rate(const char *opt, const char *arg)
2596 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2597 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2603 static int opt_frame_size(const char *opt, const char *arg)
2605 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2606 fprintf(stderr, "Incorrect frame size\n");
2607 return AVERROR(EINVAL);
2612 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2614 if (strcmp(arg, "list")) {
2615 frame_pix_fmt = av_get_pix_fmt(arg);
2616 if (frame_pix_fmt == PIX_FMT_NONE) {
2617 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2618 return AVERROR(EINVAL);
2621 opt_pix_fmts(NULL, NULL);
2627 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2634 p = strchr(arg, ':');
2636 x = strtol(arg, &end, 10);
2638 y = strtol(end+1, &end, 10);
2640 ar = (double)x / (double)y;
2642 ar = strtod(arg, NULL);
2645 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2646 return AVERROR(EINVAL);
2648 frame_aspect_ratio = ar;
2652 static int opt_metadata(const char *opt, const char *arg)
2654 char *mid= strchr(arg, '=');
2657 fprintf(stderr, "Missing =\n");
2662 av_dict_set(&metadata, arg, mid, 0);
2667 static int opt_qscale(const char *opt, const char *arg)
2669 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2670 if (video_qscale <= 0 || video_qscale > 255) {
2671 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2672 return AVERROR(EINVAL);
2677 static int opt_top_field_first(const char *opt, const char *arg)
2679 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2680 return opt_default(opt, arg);
2683 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2685 if (strcmp(arg, "list")) {
2686 audio_sample_fmt = av_get_sample_fmt(arg);
2687 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2688 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2689 return AVERROR(EINVAL);
2694 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2695 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2701 static int opt_audio_rate(const char *opt, const char *arg)
2703 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2707 static int opt_audio_channels(const char *opt, const char *arg)
2709 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2713 static int opt_codec(const char *opt, const char *arg)
2715 return av_dict_set(&codec_names, opt, arg, 0);
2718 static int opt_audio_codec(const char *opt, const char *arg)
2720 return opt_codec("codec:a", arg);
2723 static int opt_video_codec(const char *opt, const char *arg)
2725 return opt_codec("codec:v", arg);
2728 static int opt_subtitle_codec(const char *opt, const char *arg)
2730 return opt_codec("codec:s", arg);
2733 static int opt_data_codec(const char *opt, const char *arg)
2735 return opt_codec("codec:d", arg);
2738 static int opt_codec_tag(const char *opt, const char *arg)
2741 uint32_t *codec_tag;
2743 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2744 !strcmp(opt, "vtag") ? &video_codec_tag :
2745 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2749 *codec_tag = strtol(arg, &tail, 0);
2751 *codec_tag = AV_RL32(arg);
2756 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2758 StreamMap *m = NULL;
2759 int i, negative = 0, file_idx;
2760 int sync_file_idx = -1, sync_stream_idx;
2768 map = av_strdup(arg);
2770 /* parse sync stream first, just pick first matching stream */
2771 if (sync = strchr(map, ',')) {
2773 sync_file_idx = strtol(sync + 1, &sync, 0);
2774 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2775 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2780 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2781 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2782 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2783 sync_stream_idx = i;
2786 if (i == input_files[sync_file_idx].nb_streams) {
2787 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2788 "match any streams.\n", arg);
2794 file_idx = strtol(map, &p, 0);
2795 if (file_idx >= nb_input_files || file_idx < 0) {
2796 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2800 /* disable some already defined maps */
2801 for (i = 0; i < o->nb_stream_maps; i++) {
2802 m = &o->stream_maps[i];
2803 if (check_stream_specifier(input_files[m->file_index].ctx,
2804 input_files[m->file_index].ctx->streams[m->stream_index],
2805 *p == ':' ? p + 1 : p) > 0)
2809 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2810 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2811 *p == ':' ? p + 1 : p) <= 0)
2813 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2814 &o->nb_stream_maps, o->nb_stream_maps + 1);
2815 m = &o->stream_maps[o->nb_stream_maps - 1];
2817 m->file_index = file_idx;
2818 m->stream_index = i;
2820 if (sync_file_idx >= 0) {
2821 m->sync_file_index = sync_file_idx;
2822 m->sync_stream_index = sync_stream_idx;
2824 m->sync_file_index = file_idx;
2825 m->sync_stream_index = i;
2830 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2838 static void parse_meta_type(char *arg, char *type, int *index)
2848 if (*(++arg) == ':')
2849 *index = strtol(++arg, NULL, 0);
2852 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2859 static int opt_map_metadata(const char *opt, const char *arg)
2861 MetadataMap *m, *m1;
2864 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2865 &nb_meta_data_maps, nb_meta_data_maps + 1);
2867 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2868 m->file = strtol(arg, &p, 0);
2869 parse_meta_type(p, &m->type, &m->index);
2871 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2872 if (p = strchr(opt, ':'))
2873 parse_meta_type(p, &m1->type, &m1->index);
2877 if (m->type == 'g' || m1->type == 'g')
2878 metadata_global_autocopy = 0;
2879 if (m->type == 's' || m1->type == 's')
2880 metadata_streams_autocopy = 0;
2881 if (m->type == 'c' || m1->type == 'c')
2882 metadata_chapters_autocopy = 0;
2887 static int opt_input_ts_scale(const char *opt, const char *arg)
2889 return av_dict_set(&ts_scale, opt, arg, 0);
2892 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2894 const char *codec_string = encoder ? "encoder" : "decoder";
2898 return CODEC_ID_NONE;
2900 avcodec_find_encoder_by_name(name) :
2901 avcodec_find_decoder_by_name(name);
2903 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2906 if(codec->type != type) {
2907 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2913 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2915 AVDictionaryEntry *e = NULL;
2916 char *codec_name = NULL;
2919 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2920 char *p = strchr(e->key, ':');
2922 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2923 codec_name = e->value;
2930 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2931 return avcodec_find_encoder(st->codec->codec_id);
2933 } else if (!strcmp(codec_name, "copy"))
2934 st->stream_copy = 1;
2936 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2937 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2938 avcodec_find_decoder_by_name(codec_name);
2945 * Add all the streams from the given input file to the global
2946 * list of input streams.
2948 static void add_input_streams(AVFormatContext *ic)
2950 int i, rfps, rfps_base, ret;
2952 for (i = 0; i < ic->nb_streams; i++) {
2953 AVStream *st = ic->streams[i];
2954 AVCodecContext *dec = st->codec;
2955 AVDictionaryEntry *e = NULL;
2959 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2960 ist = &input_streams[nb_input_streams - 1];
2962 ist->file_index = nb_input_files;
2964 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2966 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2967 char *p = strchr(e->key, ':');
2969 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2975 ist->ts_scale = strtod(scale, NULL);
2977 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2979 ist->dec = avcodec_find_decoder(dec->codec_id);
2981 switch (dec->codec_type) {
2982 case AVMEDIA_TYPE_AUDIO:
2984 ist->dec = avcodec_find_decoder(dec->codec_id);
2986 st->discard= AVDISCARD_ALL;
2988 case AVMEDIA_TYPE_VIDEO:
2990 ist->dec = avcodec_find_decoder(dec->codec_id);
2991 rfps = ic->streams[i]->r_frame_rate.num;
2992 rfps_base = ic->streams[i]->r_frame_rate.den;
2994 dec->flags |= CODEC_FLAG_EMU_EDGE;
2997 dec->debug |= FF_DEBUG_MV;
2999 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3002 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3003 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3005 (float)rfps / rfps_base, rfps, rfps_base);
3009 st->discard= AVDISCARD_ALL;
3010 else if(video_discard)
3011 st->discard= video_discard;
3013 case AVMEDIA_TYPE_DATA:
3015 case AVMEDIA_TYPE_SUBTITLE:
3017 ist->dec = avcodec_find_decoder(dec->codec_id);
3018 if(subtitle_disable)
3019 st->discard = AVDISCARD_ALL;
3021 case AVMEDIA_TYPE_ATTACHMENT:
3022 case AVMEDIA_TYPE_UNKNOWN:
3030 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3032 AVFormatContext *ic;
3033 AVInputFormat *file_iformat = NULL;
3037 AVDictionary **opts;
3038 int orig_nb_streams; // number of streams before avformat_find_stream_info
3041 if (!(file_iformat = av_find_input_format(o->format))) {
3042 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
3047 if (!strcmp(filename, "-"))
3050 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3051 !strcmp(filename, "/dev/stdin");
3053 /* get default parameters from command line */
3054 ic = avformat_alloc_context();
3056 print_error(filename, AVERROR(ENOMEM));
3059 if (audio_sample_rate) {
3060 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3061 av_dict_set(&format_opts, "sample_rate", buf, 0);
3063 if (audio_channels) {
3064 snprintf(buf, sizeof(buf), "%d", audio_channels);
3065 av_dict_set(&format_opts, "channels", buf, 0);
3067 if (frame_rate.num) {
3068 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3069 av_dict_set(&format_opts, "framerate", buf, 0);
3071 if (frame_width && frame_height) {
3072 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3073 av_dict_set(&format_opts, "video_size", buf, 0);
3075 if (frame_pix_fmt != PIX_FMT_NONE)
3076 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3078 ic->flags |= AVFMT_FLAG_NONBLOCK;
3080 /* open the input file with generic libav function */
3081 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3083 print_error(filename, err);
3086 assert_avoptions(format_opts);
3091 for(i=0; i<ic->nb_streams; i++){
3092 ic->streams[i]->discard= AVDISCARD_ALL;
3094 for(i=0; i<ic->nb_programs; i++){
3095 AVProgram *p= ic->programs[i];
3096 if(p->id != opt_programid){
3097 p->discard = AVDISCARD_ALL;
3100 for(j=0; j<p->nb_stream_indexes; j++){
3101 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3106 fprintf(stderr, "Specified program id not found\n");
3112 /* apply forced codec ids */
3113 for (i = 0; i < ic->nb_streams; i++)
3114 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3116 /* Set AVCodecContext options for avformat_find_stream_info */
3117 opts = setup_find_stream_info_opts(ic, codec_opts);
3118 orig_nb_streams = ic->nb_streams;
3120 /* If not enough info to get the stream parameters, we decode the
3121 first frames to get it. (used in mpeg case for example) */
3122 ret = avformat_find_stream_info(ic, opts);
3123 if (ret < 0 && verbose >= 0) {
3124 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3125 av_close_input_file(ic);
3129 timestamp = o->start_time;
3130 /* add the stream start time */
3131 if (ic->start_time != AV_NOPTS_VALUE)
3132 timestamp += ic->start_time;
3134 /* if seeking requested, we execute it */
3135 if (o->start_time != 0) {
3136 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3138 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3139 filename, (double)timestamp / AV_TIME_BASE);
3143 /* update the current parameters so that they match the one of the input stream */
3144 add_input_streams(ic);
3146 /* dump the file content */
3148 av_dump_format(ic, nb_input_files, filename, 0);
3150 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3151 input_files[nb_input_files - 1].ctx = ic;
3152 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3153 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3154 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3156 top_field_first = -1;
3157 frame_rate = (AVRational){0, 0};
3158 frame_pix_fmt = PIX_FMT_NONE;
3161 audio_sample_rate = 0;
3163 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3164 av_dict_free(&ts_scale);
3166 for (i = 0; i < orig_nb_streams; i++)
3167 av_dict_free(&opts[i]);
3169 av_dict_free(&codec_names);
3175 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3176 AVCodecContext *avctx)
3182 for (p = kf; *p; p++)
3185 ost->forced_kf_count = n;
3186 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3187 if (!ost->forced_kf_pts) {
3188 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3191 for (i = 0; i < n; i++) {
3192 p = i ? strchr(p, ',') + 1 : kf;
3193 t = parse_time_or_die("force_key_frames", p, 1);
3194 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3198 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3201 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3202 int idx = oc->nb_streams - 1;
3205 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3209 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3210 nb_output_streams + 1);
3211 ost = &output_streams[nb_output_streams - 1];
3212 ost->file_index = nb_output_files;
3215 st->codec->codec_type = type;
3216 ost->enc = choose_codec(oc, st, type, codec_names);
3218 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3221 avcodec_get_context_defaults3(st->codec, ost->enc);
3222 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3224 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3228 static OutputStream *new_video_stream(AVFormatContext *oc)
3232 AVCodecContext *video_enc;
3234 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3236 if (!st->stream_copy) {
3237 ost->frame_aspect_ratio = frame_aspect_ratio;
3238 frame_aspect_ratio = 0;
3240 ost->avfilter = vfilters;
3245 ost->bitstream_filters = video_bitstream_filters;
3246 video_bitstream_filters= NULL;
3248 video_enc = st->codec;
3251 video_enc->codec_tag= video_codec_tag;
3253 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3254 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3257 if (st->stream_copy) {
3258 video_enc->sample_aspect_ratio =
3259 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3265 ost->frame_rate = frame_rate;
3267 video_enc->width = frame_width;
3268 video_enc->height = frame_height;
3269 video_enc->pix_fmt = frame_pix_fmt;
3270 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3271 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3273 if (video_qscale || same_quant) {
3274 video_enc->flags |= CODEC_FLAG_QSCALE;
3275 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3279 video_enc->intra_matrix = intra_matrix;
3281 video_enc->inter_matrix = inter_matrix;
3283 p= video_rc_override_string;
3286 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3288 fprintf(stderr, "error parsing rc_override\n");
3291 video_enc->rc_override=
3292 av_realloc(video_enc->rc_override,
3293 sizeof(RcOverride)*(i+1));
3294 video_enc->rc_override[i].start_frame= start;
3295 video_enc->rc_override[i].end_frame = end;
3297 video_enc->rc_override[i].qscale= q;
3298 video_enc->rc_override[i].quality_factor= 1.0;
3301 video_enc->rc_override[i].qscale= 0;
3302 video_enc->rc_override[i].quality_factor= -q/100.0;
3307 video_enc->rc_override_count=i;
3308 if (!video_enc->rc_initial_buffer_occupancy)
3309 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3310 video_enc->me_threshold= me_threshold;
3311 video_enc->intra_dc_precision= intra_dc_precision - 8;
3314 video_enc->flags|= CODEC_FLAG_PSNR;
3319 video_enc->flags |= CODEC_FLAG_PASS1;
3321 video_enc->flags |= CODEC_FLAG_PASS2;
3325 if (forced_key_frames)
3326 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3328 if (video_language) {
3329 av_dict_set(&st->metadata, "language", video_language, 0);
3330 av_freep(&video_language);
3333 /* reset some key parameters */
3335 av_freep(&forced_key_frames);
3336 frame_pix_fmt = PIX_FMT_NONE;
3340 static OutputStream *new_audio_stream(AVFormatContext *oc)
3344 AVCodecContext *audio_enc;
3346 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3349 ost->bitstream_filters = audio_bitstream_filters;
3350 audio_bitstream_filters= NULL;
3352 audio_enc = st->codec;
3353 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3356 audio_enc->codec_tag= audio_codec_tag;
3358 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3359 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3361 if (!st->stream_copy) {
3362 if (audio_qscale > QSCALE_NONE) {
3363 audio_enc->flags |= CODEC_FLAG_QSCALE;
3364 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3367 audio_enc->channels = audio_channels;
3368 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3369 audio_enc->sample_fmt = audio_sample_fmt;
3370 if (audio_sample_rate)
3371 audio_enc->sample_rate = audio_sample_rate;
3373 if (audio_language) {
3374 av_dict_set(&st->metadata, "language", audio_language, 0);
3375 av_freep(&audio_language);
3378 /* reset some key parameters */
3384 static OutputStream *new_data_stream(AVFormatContext *oc)
3388 AVCodecContext *data_enc;
3390 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3392 data_enc = st->codec;
3393 if (!st->stream_copy) {
3394 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3399 data_enc->codec_tag= data_codec_tag;
3401 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3402 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3409 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3413 AVCodecContext *subtitle_enc;
3415 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3417 subtitle_enc = st->codec;
3419 ost->bitstream_filters = subtitle_bitstream_filters;
3420 subtitle_bitstream_filters= NULL;
3422 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3424 if(subtitle_codec_tag)
3425 subtitle_enc->codec_tag= subtitle_codec_tag;
3427 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3428 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3431 if (subtitle_language) {
3432 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3433 av_freep(&subtitle_language);
3436 subtitle_disable = 0;
3440 /* arg format is "output-stream-index:streamid-value". */
3441 static int opt_streamid(const char *opt, const char *arg)
3447 av_strlcpy(idx_str, arg, sizeof(idx_str));
3448 p = strchr(idx_str, ':');
3451 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3456 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3457 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3458 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3462 static int copy_chapters(InputFile *ifile, OutputFile *ofile)
3464 AVFormatContext *is = ifile->ctx;
3465 AVFormatContext *os = ofile->ctx;
3468 for (i = 0; i < is->nb_chapters; i++) {
3469 AVChapter *in_ch = is->chapters[i], *out_ch;
3470 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3471 AV_TIME_BASE_Q, in_ch->time_base);
3472 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3473 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3476 if (in_ch->end < ts_off)
3478 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3481 out_ch = av_mallocz(sizeof(AVChapter));
3483 return AVERROR(ENOMEM);
3485 out_ch->id = in_ch->id;
3486 out_ch->time_base = in_ch->time_base;
3487 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3488 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3490 if (metadata_chapters_autocopy)
3491 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3494 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3496 return AVERROR(ENOMEM);
3497 os->chapters[os->nb_chapters - 1] = out_ch;
3502 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3505 AVFormatContext *ic = NULL;
3507 err = avformat_open_input(&ic, filename, NULL, NULL);
3510 /* copy stream format */
3511 for(i=0;i<ic->nb_streams;i++) {
3516 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3517 ost = new_output_stream(s, codec->type);
3520 // FIXME: a more elegant solution is needed
3521 memcpy(st, ic->streams[i], sizeof(AVStream));
3522 st->info = av_malloc(sizeof(*st->info));
3523 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3524 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3526 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3527 choose_sample_fmt(st, codec);
3528 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3529 choose_pixel_fmt(st, codec);
3532 av_close_input_file(ic);
3536 static void opt_output_file(void *optctx, const char *filename)
3538 OptionsContext *o = optctx;
3539 AVFormatContext *oc;
3541 AVOutputFormat *file_oformat;
3545 if (!strcmp(filename, "-"))
3548 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3550 print_error(filename, err);
3554 file_oformat= oc->oformat;
3556 if (!strcmp(file_oformat->name, "ffm") &&
3557 av_strstart(filename, "http:", NULL)) {
3558 /* special case for files sent to ffserver: we get the stream
3559 parameters from ffserver */
3560 int err = read_ffserver_streams(oc, filename);
3562 print_error(filename, err);
3565 } else if (!o->nb_stream_maps) {
3566 /* pick the "best" stream of each type */
3567 #define NEW_STREAM(type, index)\
3569 ost = new_ ## type ## _stream(oc);\
3570 ost->source_index = index;\
3571 ost->sync_ist = &input_streams[index];\
3572 input_streams[index].discard = 0;\
3575 /* video: highest resolution */
3576 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3577 int area = 0, idx = -1;
3578 for (i = 0; i < nb_input_streams; i++) {
3579 ist = &input_streams[i];
3580 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3581 ist->st->codec->width * ist->st->codec->height > area) {
3582 area = ist->st->codec->width * ist->st->codec->height;
3586 NEW_STREAM(video, idx);
3589 /* audio: most channels */
3590 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3591 int channels = 0, idx = -1;
3592 for (i = 0; i < nb_input_streams; i++) {
3593 ist = &input_streams[i];
3594 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3595 ist->st->codec->channels > channels) {
3596 channels = ist->st->codec->channels;
3600 NEW_STREAM(audio, idx);
3603 /* subtitles: pick first */
3604 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3605 for (i = 0; i < nb_input_streams; i++)
3606 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3607 NEW_STREAM(subtitle, i);
3611 /* do something with data? */
3613 for (i = 0; i < o->nb_stream_maps; i++) {
3614 StreamMap *map = &o->stream_maps[i];
3619 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3620 switch (ist->st->codec->codec_type) {
3621 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3622 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3623 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3624 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3626 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3627 map->file_index, map->stream_index);
3631 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3632 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3633 map->sync_stream_index];
3638 av_dict_copy(&oc->metadata, metadata, 0);
3639 av_dict_free(&metadata);
3642 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3643 output_files[nb_output_files - 1].ctx = oc;
3644 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3645 output_files[nb_output_files - 1].recording_time = o->recording_time;
3646 output_files[nb_output_files - 1].start_time = o->start_time;
3647 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3648 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3650 /* check filename in case of an image number is expected */
3651 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3652 if (!av_filename_number_test(oc->filename)) {
3653 print_error(oc->filename, AVERROR(EINVAL));
3658 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3659 /* test if it already exists to avoid loosing precious files */
3660 if (!file_overwrite &&
3661 (strchr(filename, ':') == NULL ||
3662 filename[1] == ':' ||
3663 av_strstart(filename, "file:", NULL))) {
3664 if (avio_check(filename, 0) == 0) {
3666 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3668 if (!read_yesno()) {
3669 fprintf(stderr, "Not overwriting - exiting\n");
3674 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3681 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3682 print_error(filename, err);
3687 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3688 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3691 if (chapters_input_file >= nb_input_files) {
3692 if (chapters_input_file == INT_MAX) {
3693 /* copy chapters from the first input file that has them*/
3694 chapters_input_file = -1;
3695 for (i = 0; i < nb_input_files; i++)
3696 if (input_files[i].ctx->nb_chapters) {
3697 chapters_input_file = i;
3701 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3702 chapters_input_file);
3706 if (chapters_input_file >= 0)
3707 copy_chapters(&input_files[chapters_input_file], &output_files[nb_output_files - 1]);
3710 for (i = 0; i < nb_meta_data_maps; i++) {
3711 AVFormatContext *files[2];
3712 AVDictionary **meta[2];
3715 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3716 if ((index) < 0 || (index) >= (nb_elems)) {\
3717 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3722 int in_file_index = meta_data_maps[i][1].file;
3723 if (in_file_index < 0)
3725 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3728 files[1] = input_files[in_file_index].ctx;
3730 for (j = 0; j < 2; j++) {
3731 MetadataMap *map = &meta_data_maps[i][j];
3733 switch (map->type) {
3735 meta[j] = &files[j]->metadata;
3738 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3739 meta[j] = &files[j]->streams[map->index]->metadata;
3742 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3743 meta[j] = &files[j]->chapters[map->index]->metadata;
3746 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3747 meta[j] = &files[j]->programs[map->index]->metadata;
3752 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3755 /* copy global metadata by default */
3756 if (metadata_global_autocopy && nb_input_files)
3757 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3758 AV_DICT_DONT_OVERWRITE);
3759 if (metadata_streams_autocopy)
3760 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3761 InputStream *ist = &input_streams[output_streams[i].source_index];
3762 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3765 frame_rate = (AVRational){0, 0};
3768 audio_sample_rate = 0;
3770 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3771 chapters_input_file = INT_MAX;
3773 av_freep(&meta_data_maps);
3774 nb_meta_data_maps = 0;
3775 metadata_global_autocopy = 1;
3776 metadata_streams_autocopy = 1;
3777 metadata_chapters_autocopy = 1;
3778 av_freep(&streamid_map);
3779 nb_streamid_map = 0;
3781 av_dict_free(&codec_names);
3783 av_freep(&forced_key_frames);
3787 /* same option as mencoder */
3788 static int opt_pass(const char *opt, const char *arg)
3790 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3794 static int64_t getutime(void)
3797 struct rusage rusage;
3799 getrusage(RUSAGE_SELF, &rusage);
3800 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3801 #elif HAVE_GETPROCESSTIMES
3803 FILETIME c, e, k, u;
3804 proc = GetCurrentProcess();
3805 GetProcessTimes(proc, &c, &e, &k, &u);
3806 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3808 return av_gettime();
3812 static int64_t getmaxrss(void)
3814 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3815 struct rusage rusage;
3816 getrusage(RUSAGE_SELF, &rusage);
3817 return (int64_t)rusage.ru_maxrss * 1024;
3818 #elif HAVE_GETPROCESSMEMORYINFO
3820 PROCESS_MEMORY_COUNTERS memcounters;
3821 proc = GetCurrentProcess();
3822 memcounters.cb = sizeof(memcounters);
3823 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3824 return memcounters.PeakPagefileUsage;
3830 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3833 const char *p = str;
3840 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3847 static int opt_inter_matrix(const char *opt, const char *arg)
3849 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3850 parse_matrix_coeffs(inter_matrix, arg);
3854 static int opt_intra_matrix(const char *opt, const char *arg)
3856 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3857 parse_matrix_coeffs(intra_matrix, arg);
3861 static void show_usage(void)
3863 printf("Hyper fast Audio and Video encoder\n");
3864 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3868 static int opt_help(const char *opt, const char *arg)
3871 AVOutputFormat *oformat = NULL;
3872 AVInputFormat *iformat = NULL;
3873 const AVClass *class;
3875 av_log_set_callback(log_callback_help);
3877 show_help_options(options, "Main options:\n",
3878 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3879 show_help_options(options, "\nAdvanced options:\n",
3880 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3882 show_help_options(options, "\nVideo options:\n",
3883 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3885 show_help_options(options, "\nAdvanced Video options:\n",
3886 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3887 OPT_VIDEO | OPT_EXPERT);
3888 show_help_options(options, "\nAudio options:\n",
3889 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3891 show_help_options(options, "\nAdvanced Audio options:\n",
3892 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3893 OPT_AUDIO | OPT_EXPERT);
3894 show_help_options(options, "\nSubtitle options:\n",
3895 OPT_SUBTITLE | OPT_GRAB,
3897 show_help_options(options, "\nAudio/Video grab options:\n",
3901 class = avcodec_get_class();
3902 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3905 /* individual codec options */
3907 while ((c = av_codec_next(c))) {
3908 if (c->priv_class) {
3909 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3914 class = avformat_get_class();
3915 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3918 /* individual muxer options */
3919 while ((oformat = av_oformat_next(oformat))) {
3920 if (oformat->priv_class) {
3921 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3926 /* individual demuxer options */
3927 while ((iformat = av_iformat_next(iformat))) {
3928 if (iformat->priv_class) {
3929 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3934 class = sws_get_class();
3935 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3939 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
3941 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3942 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3944 if(!strncmp(arg, "pal-", 4)) {
3947 } else if(!strncmp(arg, "ntsc-", 5)) {
3950 } else if(!strncmp(arg, "film-", 5)) {
3955 /* Calculate FR via float to avoid int overflow */
3956 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3959 } else if((fr == 29970) || (fr == 23976)) {
3962 /* Try to determine PAL/NTSC by peeking in the input files */
3963 if(nb_input_files) {
3965 for (j = 0; j < nb_input_files; j++) {
3966 for (i = 0; i < input_files[j].nb_streams; i++) {
3967 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3968 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3970 fr = c->time_base.den * 1000 / c->time_base.num;
3974 } else if((fr == 29970) || (fr == 23976)) {
3984 if(verbose > 0 && norm != UNKNOWN)
3985 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3988 if(norm == UNKNOWN) {
3989 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3990 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3991 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3995 if(!strcmp(arg, "vcd")) {
3996 opt_codec("c:v", "mpeg1video");
3997 opt_codec("c:a", "mp2");
3998 parse_option(o, "f", "vcd", options);
4000 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4001 opt_frame_rate("r", frame_rates[norm]);
4002 opt_default("g", norm == PAL ? "15" : "18");
4004 opt_default("b", "1150000");
4005 opt_default("maxrate", "1150000");
4006 opt_default("minrate", "1150000");
4007 opt_default("bufsize", "327680"); // 40*1024*8;
4009 opt_default("b:a", "224000");
4010 audio_sample_rate = 44100;
4013 opt_default("packetsize", "2324");
4014 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4016 /* We have to offset the PTS, so that it is consistent with the SCR.
4017 SCR starts at 36000, but the first two packs contain only padding
4018 and the first pack from the other stream, respectively, may also have
4019 been written before.
4020 So the real data starts at SCR 36000+3*1200. */
4021 mux_preload= (36000+3*1200) / 90000.0; //0.44
4022 } else if(!strcmp(arg, "svcd")) {
4024 opt_codec("c:v", "mpeg2video");
4025 opt_codec("c:a", "mp2");
4026 parse_option(o, "f", "svcd", options);
4028 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4029 opt_frame_rate("r", frame_rates[norm]);
4030 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4031 opt_default("g", norm == PAL ? "15" : "18");
4033 opt_default("b", "2040000");
4034 opt_default("maxrate", "2516000");
4035 opt_default("minrate", "0"); //1145000;
4036 opt_default("bufsize", "1835008"); //224*1024*8;
4037 opt_default("flags", "+scan_offset");
4040 opt_default("b:a", "224000");
4041 audio_sample_rate = 44100;
4043 opt_default("packetsize", "2324");
4045 } else if(!strcmp(arg, "dvd")) {
4047 opt_codec("c:v", "mpeg2video");
4048 opt_codec("c:a", "ac3");
4049 parse_option(o, "f", "dvd", options);
4051 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4052 opt_frame_rate("r", frame_rates[norm]);
4053 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4054 opt_default("g", norm == PAL ? "15" : "18");
4056 opt_default("b", "6000000");
4057 opt_default("maxrate", "9000000");
4058 opt_default("minrate", "0"); //1500000;
4059 opt_default("bufsize", "1835008"); //224*1024*8;
4061 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4062 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4064 opt_default("b:a", "448000");
4065 audio_sample_rate = 48000;
4067 } else if(!strncmp(arg, "dv", 2)) {
4069 parse_option(o, "f", "dv", options);
4071 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4072 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4073 norm == PAL ? "yuv420p" : "yuv411p");
4074 opt_frame_rate("r", frame_rates[norm]);
4076 audio_sample_rate = 48000;
4080 fprintf(stderr, "Unknown target: %s\n", arg);
4081 return AVERROR(EINVAL);
4086 static int opt_vstats_file(const char *opt, const char *arg)
4088 av_free (vstats_filename);
4089 vstats_filename=av_strdup (arg);
4093 static int opt_vstats(const char *opt, const char *arg)
4096 time_t today2 = time(NULL);
4097 struct tm *today = localtime(&today2);
4099 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4101 return opt_vstats_file(opt, filename);
4104 static int opt_bsf(const char *opt, const char *arg)
4106 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4107 AVBitStreamFilterContext **bsfp;
4110 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4114 bsfp= *opt == 'v' ? &video_bitstream_filters :
4115 *opt == 'a' ? &audio_bitstream_filters :
4116 &subtitle_bitstream_filters;
4118 bsfp= &(*bsfp)->next;
4125 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4129 static int opt_passlogfile(const char *opt, const char *arg)
4131 pass_logfilename_prefix = arg;
4132 #if CONFIG_LIBX264_ENCODER
4133 return opt_default("passlogfile", arg);
4139 #define OFFSET(x) offsetof(OptionsContext, x)
4140 static const OptionDef options[] = {
4142 #include "cmdutils_common_opts.h"
4143 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4144 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4145 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4146 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4147 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4148 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4149 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4150 "outfile[,metadata]:infile[,metadata]" },
4151 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4152 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4153 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4154 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4155 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4156 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4157 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4158 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4159 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4160 "add timings for benchmarking" },
4161 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4162 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4163 "dump each input packet" },
4164 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4165 "when dumping packets, also dump the payload" },
4166 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4167 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4168 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4169 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4170 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4171 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4172 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4173 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4174 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4175 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4176 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4177 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4178 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4181 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4182 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4183 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4184 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4185 { "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" },
4186 { "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" },
4187 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4188 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4189 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4190 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4191 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4192 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4193 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4194 "use same quantizer as source (implies VBR)" },
4195 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4196 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4197 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4198 "deinterlace pictures" },
4199 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4200 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4201 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4203 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4205 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4206 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4207 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4208 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4209 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4210 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4211 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4212 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4213 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4214 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4217 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4218 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4219 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4220 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4221 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4222 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4223 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4224 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4225 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4226 { "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" },
4228 /* subtitle options */
4229 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4230 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4231 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4232 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4235 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4238 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4239 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4241 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4242 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4243 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4245 /* data codec support */
4246 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4248 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4252 int main(int argc, char **argv)
4254 OptionsContext o = { 0 };
4259 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4261 if(argc>1 && !strcmp(argv[1], "-d")){
4264 av_log_set_callback(log_callback_null);
4269 avcodec_register_all();
4271 avdevice_register_all();
4274 avfilter_register_all();
4279 if(isatty(STDIN_FILENO))
4280 avio_set_interrupt_cb(decode_interrupt_cb);
4287 parse_options(&o, argc, argv, options, opt_output_file);
4289 if(nb_output_files <= 0 && nb_input_files == 0) {
4291 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4295 /* file converter / grab */
4296 if (nb_output_files <= 0) {
4297 fprintf(stderr, "At least one output file must be specified\n");
4301 if (nb_input_files == 0) {
4302 fprintf(stderr, "At least one input file must be specified\n");
4307 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4309 ti = getutime() - ti;
4311 int maxrss = getmaxrss() / 1024;
4312 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);