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5d882446475f00439c5f36bc64b321e8e2474dee
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
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.
11 *
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.
16 *
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
20 */
21
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
24
25 #include "config.h"
26 #include <ctype.h>
27 #include <string.h>
28 #include <math.h>
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <signal.h>
32 #include <limits.h>
33 #include <unistd.h>
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavutil/libm.h"
44 #include "libavformat/os_support.h"
45
46 #if HAVE_SYS_RESOURCE_H
47 #include <sys/types.h>
48 #include <sys/time.h>
49 #include <sys/resource.h>
50 #elif HAVE_GETPROCESSTIMES
51 #include <windows.h>
52 #endif
53 #if HAVE_GETPROCESSMEMORYINFO
54 #include <windows.h>
55 #include <psapi.h>
56 #endif
57
58 #if HAVE_SYS_SELECT_H
59 #include <sys/select.h>
60 #endif
61
62 #if HAVE_TERMIOS_H
63 #include <fcntl.h>
64 #include <sys/ioctl.h>
65 #include <sys/time.h>
66 #include <termios.h>
67 #elif HAVE_CONIO_H
68 #include <conio.h>
69 #endif
70 #include <time.h>
71
72 #include "cmdutils.h"
73
74 #undef NDEBUG
75 #include <assert.h>
76
77 const char program_name[] = "FFmpeg";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct AVStreamMap {
82 int file_index;
83 int stream_index;
84 int sync_file_index;
85 int sync_stream_index;
86 } AVStreamMap;
87
88 /** select an input file for an output file */
89 typedef struct AVMetaDataMap {
90 int out_file;
91 int in_file;
92 } AVMetaDataMap;
93
94 static const OptionDef options[];
95
96 #define MAX_FILES 100
97
98 static const char *last_asked_format = NULL;
99 static AVFormatContext *input_files[MAX_FILES];
100 static int64_t input_files_ts_offset[MAX_FILES];
101 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
102 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_input_files = 0;
104 static int nb_icodecs;
105
106 static AVFormatContext *output_files[MAX_FILES];
107 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
108 static int nb_output_files = 0;
109 static int nb_ocodecs;
110
111 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
112 static int nb_stream_maps;
113
114 static AVMetaDataMap meta_data_maps[MAX_FILES];
115 static int nb_meta_data_maps;
116
117 static int frame_width = 0;
118 static int frame_height = 0;
119 static float frame_aspect_ratio = 0;
120 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
121 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
122 static int frame_padtop = 0;
123 static int frame_padbottom = 0;
124 static int frame_padleft = 0;
125 static int frame_padright = 0;
126 static int padcolor[3] = {16,128,128}; /* default to black */
127 static int frame_topBand = 0;
128 static int frame_bottomBand = 0;
129 static int frame_leftBand = 0;
130 static int frame_rightBand = 0;
131 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
132 static AVRational frame_rate;
133 static float video_qscale = 0;
134 static uint16_t *intra_matrix = NULL;
135 static uint16_t *inter_matrix = NULL;
136 static const char *video_rc_override_string=NULL;
137 static int video_disable = 0;
138 static int video_discard = 0;
139 static char *video_codec_name = NULL;
140 static int video_codec_tag = 0;
141 static char *video_language = NULL;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int loop_input = 0;
148 static int loop_output = AVFMT_NOOUTPUTLOOP;
149 static int qp_hist = 0;
150
151 static int intra_only = 0;
152 static int audio_sample_rate = 44100;
153 static int64_t channel_layout = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 1;
158 static char *audio_codec_name = NULL;
159 static int audio_codec_tag = 0;
160 static char *audio_language = NULL;
161
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static int subtitle_codec_tag = 0;
166
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
169
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
196
197 static int rate_emu = 0;
198
199 static int video_channel = 0;
200 static char *video_standard;
201
202 static int audio_volume = 256;
203
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = 0;
216 static int force_fps = 0;
217
218 static int pgmyuv_compatibility_hack=0;
219 static float dts_delta_threshold = 10;
220
221 static unsigned int sws_flags = SWS_BICUBIC;
222
223 static int64_t timer_start;
224
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
228
229 static short *samples;
230
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
235
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
237
238 struct AVInputStream;
239
240 typedef struct AVOutputStream {
241 int file_index; /* file index */
242 int index; /* stream index in the output file */
243 int source_index; /* AVInputStream index */
244 AVStream *st; /* stream in the output file */
245 int encoding_needed; /* true if encoding needed for this stream */
246 int frame_number;
247 /* input pts and corresponding output pts
248 for A/V sync */
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream *sync_ist; /* input stream to sync against */
251 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
252 /* video only */
253 int video_resample;
254 AVFrame pict_tmp; /* temporary image for resampling */
255 struct SwsContext *img_resample_ctx; /* for image resampling */
256 int resample_height;
257 int resample_width;
258 int resample_pix_fmt;
259
260 /* full frame size of first frame */
261 int original_height;
262 int original_width;
263
264 /* cropping area sizes */
265 int video_crop;
266 int topBand;
267 int bottomBand;
268 int leftBand;
269 int rightBand;
270
271 /* cropping area of first frame */
272 int original_topBand;
273 int original_bottomBand;
274 int original_leftBand;
275 int original_rightBand;
276
277 /* padding area sizes */
278 int video_pad;
279 int padtop;
280 int padbottom;
281 int padleft;
282 int padright;
283
284 /* audio only */
285 int audio_resample;
286 ReSampleContext *resample; /* for audio resampling */
287 int reformat_pair;
288 AVAudioConvert *reformat_ctx;
289 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 FILE *logfile;
291 } AVOutputStream;
292
293 typedef struct AVInputStream {
294 int file_index;
295 int index;
296 AVStream *st;
297 int discard; /* true if stream data should be discarded */
298 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
299 int64_t sample_index; /* current sample */
300
301 int64_t start; /* time when read started */
302 int64_t next_pts; /* synthetic pts for cases where pkt.pts
303 is not defined */
304 int64_t pts; /* current pts */
305 int is_start; /* is 1 at the start and after a discontinuity */
306 int showed_multi_packet_warning;
307 int is_past_recording_time;
308 } AVInputStream;
309
310 typedef struct AVInputFile {
311 int eof_reached; /* true if eof reached */
312 int ist_index; /* index of first stream in ist_table */
313 int buffer_size; /* current total buffer size */
314 int nb_streams; /* nb streams we are aware of */
315 } AVInputFile;
316
317 #if HAVE_TERMIOS_H
318
319 /* init terminal so that we can grab keys */
320 static struct termios oldtty;
321 #endif
322
323 static void term_exit(void)
324 {
325 #if HAVE_TERMIOS_H
326 tcsetattr (0, TCSANOW, &oldtty);
327 #endif
328 }
329
330 static volatile int received_sigterm = 0;
331
332 static void
333 sigterm_handler(int sig)
334 {
335 received_sigterm = sig;
336 term_exit();
337 }
338
339 static void term_init(void)
340 {
341 #if HAVE_TERMIOS_H
342 struct termios tty;
343
344 tcgetattr (0, &tty);
345 oldtty = tty;
346 atexit(term_exit);
347
348 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
349 |INLCR|IGNCR|ICRNL|IXON);
350 tty.c_oflag |= OPOST;
351 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
352 tty.c_cflag &= ~(CSIZE|PARENB);
353 tty.c_cflag |= CS8;
354 tty.c_cc[VMIN] = 1;
355 tty.c_cc[VTIME] = 0;
356
357 tcsetattr (0, TCSANOW, &tty);
358 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
359 #endif
360
361 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
362 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
363 #ifdef SIGXCPU
364 signal(SIGXCPU, sigterm_handler);
365 #endif
366
367 #if CONFIG_BEOS_NETSERVER
368 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
369 #endif
370 }
371
372 /* read a key without blocking */
373 static int read_key(void)
374 {
375 #if HAVE_TERMIOS_H
376 int n = 1;
377 unsigned char ch;
378 #if !CONFIG_BEOS_NETSERVER
379 struct timeval tv;
380 fd_set rfds;
381
382 FD_ZERO(&rfds);
383 FD_SET(0, &rfds);
384 tv.tv_sec = 0;
385 tv.tv_usec = 0;
386 n = select(1, &rfds, NULL, NULL, &tv);
387 #endif
388 if (n > 0) {
389 n = read(0, &ch, 1);
390 if (n == 1)
391 return ch;
392
393 return n;
394 }
395 #elif HAVE_CONIO_H
396 if(kbhit())
397 return(getch());
398 #endif
399 return -1;
400 }
401
402 static int decode_interrupt_cb(void)
403 {
404 return q_pressed || (q_pressed = read_key() == 'q');
405 }
406
407 static int av_exit(int ret)
408 {
409 int i;
410
411 /* close files */
412 for(i=0;i<nb_output_files;i++) {
413 /* maybe av_close_output_file ??? */
414 AVFormatContext *s = output_files[i];
415 int j;
416 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
417 url_fclose(s->pb);
418 for(j=0;j<s->nb_streams;j++) {
419 av_metadata_free(&s->streams[j]->metadata);
420 av_free(s->streams[j]->codec);
421 av_free(s->streams[j]);
422 }
423 for(j=0;j<s->nb_programs;j++) {
424 av_metadata_free(&s->programs[j]->metadata);
425 }
426 for(j=0;j<s->nb_chapters;j++) {
427 av_metadata_free(&s->chapters[j]->metadata);
428 }
429 av_metadata_free(&s->metadata);
430 av_free(s);
431 }
432 for(i=0;i<nb_input_files;i++)
433 av_close_input_file(input_files[i]);
434
435 av_free(intra_matrix);
436 av_free(inter_matrix);
437
438 if (vstats_file)
439 fclose(vstats_file);
440 av_free(vstats_filename);
441
442 av_free(opt_names);
443
444 av_free(video_codec_name);
445 av_free(audio_codec_name);
446 av_free(subtitle_codec_name);
447
448 av_free(video_standard);
449
450 #if CONFIG_POWERPC_PERF
451 void powerpc_display_perf_report(void);
452 powerpc_display_perf_report();
453 #endif /* CONFIG_POWERPC_PERF */
454
455 for (i=0;i<AVMEDIA_TYPE_NB;i++)
456 av_free(avcodec_opts[i]);
457 av_free(avformat_opts);
458 av_free(sws_opts);
459 av_free(audio_buf);
460 av_free(audio_out);
461 allocated_audio_buf_size= allocated_audio_out_size= 0;
462 av_free(samples);
463
464 if (received_sigterm) {
465 fprintf(stderr,
466 "Received signal %d: terminating.\n",
467 (int) received_sigterm);
468 exit (255);
469 }
470
471 exit(ret); /* not all OS-es handle main() return value */
472 return ret;
473 }
474
475 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
476 {
477 if(codec && codec->sample_fmts){
478 const enum SampleFormat *p= codec->sample_fmts;
479 for(; *p!=-1; p++){
480 if(*p == st->codec->sample_fmt)
481 break;
482 }
483 if(*p == -1)
484 st->codec->sample_fmt = codec->sample_fmts[0];
485 }
486 }
487
488 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
489 {
490 if(codec && codec->pix_fmts){
491 const enum PixelFormat *p= codec->pix_fmts;
492 for(; *p!=-1; p++){
493 if(*p == st->codec->pix_fmt)
494 break;
495 }
496 if(*p == -1
497 && !( st->codec->codec_id==CODEC_ID_MJPEG
498 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
499 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
500 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
501 st->codec->pix_fmt = codec->pix_fmts[0];
502 }
503 }
504
505 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
506 {
507 int i, err;
508 AVFormatContext *ic;
509 int nopts = 0;
510
511 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
512 if (err < 0)
513 return err;
514 /* copy stream format */
515 s->nb_streams = ic->nb_streams;
516 for(i=0;i<ic->nb_streams;i++) {
517 AVStream *st;
518 AVCodec *codec;
519
520 // FIXME: a more elegant solution is needed
521 st = av_mallocz(sizeof(AVStream));
522 memcpy(st, ic->streams[i], sizeof(AVStream));
523 st->codec = avcodec_alloc_context();
524 if (!st->codec) {
525 print_error(filename, AVERROR(ENOMEM));
526 av_exit(1);
527 }
528 avcodec_copy_context(st->codec, ic->streams[i]->codec);
529 s->streams[i] = st;
530
531 codec = avcodec_find_encoder(st->codec->codec_id);
532 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
533 if (audio_stream_copy) {
534 st->stream_copy = 1;
535 } else
536 choose_sample_fmt(st, codec);
537 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
538 if (video_stream_copy) {
539 st->stream_copy = 1;
540 } else
541 choose_pixel_fmt(st, codec);
542 }
543
544 if(!st->codec->thread_count)
545 st->codec->thread_count = 1;
546 if(st->codec->thread_count>1)
547 avcodec_thread_init(st->codec, st->codec->thread_count);
548
549 if(st->codec->flags & CODEC_FLAG_BITEXACT)
550 nopts = 1;
551 }
552
553 if (!nopts)
554 s->timestamp = av_gettime();
555
556 av_close_input_file(ic);
557 return 0;
558 }
559
560 static double
561 get_sync_ipts(const AVOutputStream *ost)
562 {
563 const AVInputStream *ist = ost->sync_ist;
564 return (double)(ist->pts - start_time)/AV_TIME_BASE;
565 }
566
567 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
568 int ret;
569
570 while(bsfc){
571 AVPacket new_pkt= *pkt;
572 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
573 &new_pkt.data, &new_pkt.size,
574 pkt->data, pkt->size,
575 pkt->flags & AV_PKT_FLAG_KEY);
576 if(a>0){
577 av_free_packet(pkt);
578 new_pkt.destruct= av_destruct_packet;
579 } else if(a<0){
580 fprintf(stderr, "%s failed for stream %d, codec %s",
581 bsfc->filter->name, pkt->stream_index,
582 avctx->codec ? avctx->codec->name : "copy");
583 print_error("", a);
584 if (exit_on_error)
585 av_exit(1);
586 }
587 *pkt= new_pkt;
588
589 bsfc= bsfc->next;
590 }
591
592 ret= av_interleaved_write_frame(s, pkt);
593 if(ret < 0){
594 print_error("av_interleaved_write_frame()", ret);
595 av_exit(1);
596 }
597 }
598
599 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
600
601 static void do_audio_out(AVFormatContext *s,
602 AVOutputStream *ost,
603 AVInputStream *ist,
604 unsigned char *buf, int size)
605 {
606 uint8_t *buftmp;
607 int64_t audio_out_size, audio_buf_size;
608 int64_t allocated_for_size= size;
609
610 int size_out, frame_bytes, ret;
611 AVCodecContext *enc= ost->st->codec;
612 AVCodecContext *dec= ist->st->codec;
613 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
614 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
615 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
616
617 need_realloc:
618 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
619 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
620 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
621 audio_buf_size*= osize*enc->channels;
622
623 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
624 if(coded_bps > 8*osize)
625 audio_out_size= audio_out_size * coded_bps / (8*osize);
626 audio_out_size += FF_MIN_BUFFER_SIZE;
627
628 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
629 fprintf(stderr, "Buffer sizes too large\n");
630 av_exit(1);
631 }
632
633 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
634 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
635 if (!audio_buf || !audio_out){
636 fprintf(stderr, "Out of memory in do_audio_out\n");
637 av_exit(1);
638 }
639
640 if (enc->channels != dec->channels)
641 ost->audio_resample = 1;
642
643 if (ost->audio_resample && !ost->resample) {
644 if (dec->sample_fmt != SAMPLE_FMT_S16)
645 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
646 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
647 enc->sample_rate, dec->sample_rate,
648 enc->sample_fmt, dec->sample_fmt,
649 16, 10, 0, 0.8);
650 if (!ost->resample) {
651 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
652 dec->channels, dec->sample_rate,
653 enc->channels, enc->sample_rate);
654 av_exit(1);
655 }
656 }
657
658 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
659 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
660 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
661 if (ost->reformat_ctx)
662 av_audio_convert_free(ost->reformat_ctx);
663 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
664 dec->sample_fmt, 1, NULL, 0);
665 if (!ost->reformat_ctx) {
666 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
667 avcodec_get_sample_fmt_name(dec->sample_fmt),
668 avcodec_get_sample_fmt_name(enc->sample_fmt));
669 av_exit(1);
670 }
671 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
672 }
673
674 if(audio_sync_method){
675 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
676 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
677 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
678 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
679
680 //FIXME resample delay
681 if(fabs(delta) > 50){
682 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
683 if(byte_delta < 0){
684 byte_delta= FFMAX(byte_delta, -size);
685 size += byte_delta;
686 buf -= byte_delta;
687 if(verbose > 2)
688 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
689 if(!size)
690 return;
691 ist->is_start=0;
692 }else{
693 static uint8_t *input_tmp= NULL;
694 input_tmp= av_realloc(input_tmp, byte_delta + size);
695
696 if(byte_delta > allocated_for_size - size){
697 allocated_for_size= byte_delta + (int64_t)size;
698 goto need_realloc;
699 }
700 ist->is_start=0;
701
702 memset(input_tmp, 0, byte_delta);
703 memcpy(input_tmp + byte_delta, buf, size);
704 buf= input_tmp;
705 size += byte_delta;
706 if(verbose > 2)
707 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
708 }
709 }else if(audio_sync_method>1){
710 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
711 assert(ost->audio_resample);
712 if(verbose > 2)
713 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
714 // 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));
715 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
716 }
717 }
718 }else
719 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
720 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
721
722 if (ost->audio_resample) {
723 buftmp = audio_buf;
724 size_out = audio_resample(ost->resample,
725 (short *)buftmp, (short *)buf,
726 size / (ist->st->codec->channels * isize));
727 size_out = size_out * enc->channels * osize;
728 } else {
729 buftmp = buf;
730 size_out = size;
731 }
732
733 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
734 const void *ibuf[6]= {buftmp};
735 void *obuf[6]= {audio_buf};
736 int istride[6]= {isize};
737 int ostride[6]= {osize};
738 int len= size_out/istride[0];
739 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
740 printf("av_audio_convert() failed\n");
741 if (exit_on_error)
742 av_exit(1);
743 return;
744 }
745 buftmp = audio_buf;
746 size_out = len*osize;
747 }
748
749 /* now encode as many frames as possible */
750 if (enc->frame_size > 1) {
751 /* output resampled raw samples */
752 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
753 fprintf(stderr, "av_fifo_realloc2() failed\n");
754 av_exit(1);
755 }
756 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
757
758 frame_bytes = enc->frame_size * osize * enc->channels;
759
760 while (av_fifo_size(ost->fifo) >= frame_bytes) {
761 AVPacket pkt;
762 av_init_packet(&pkt);
763
764 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
765
766 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
767
768 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
769 (short *)audio_buf);
770 if (ret < 0) {
771 fprintf(stderr, "Audio encoding failed\n");
772 av_exit(1);
773 }
774 audio_size += ret;
775 pkt.stream_index= ost->index;
776 pkt.data= audio_out;
777 pkt.size= ret;
778 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
779 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
780 pkt.flags |= AV_PKT_FLAG_KEY;
781 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
782
783 ost->sync_opts += enc->frame_size;
784 }
785 } else {
786 AVPacket pkt;
787 av_init_packet(&pkt);
788
789 ost->sync_opts += size_out / (osize * enc->channels);
790
791 /* output a pcm frame */
792 /* determine the size of the coded buffer */
793 size_out /= osize;
794 if (coded_bps)
795 size_out = size_out*coded_bps/8;
796
797 if(size_out > audio_out_size){
798 fprintf(stderr, "Internal error, buffer size too small\n");
799 av_exit(1);
800 }
801
802 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
803 ret = avcodec_encode_audio(enc, audio_out, size_out,
804 (short *)buftmp);
805 if (ret < 0) {
806 fprintf(stderr, "Audio encoding failed\n");
807 av_exit(1);
808 }
809 audio_size += ret;
810 pkt.stream_index= ost->index;
811 pkt.data= audio_out;
812 pkt.size= ret;
813 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
814 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
815 pkt.flags |= AV_PKT_FLAG_KEY;
816 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
817 }
818 }
819
820 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
821 {
822 AVCodecContext *dec;
823 AVPicture *picture2;
824 AVPicture picture_tmp;
825 uint8_t *buf = 0;
826
827 dec = ist->st->codec;
828
829 /* deinterlace : must be done before any resize */
830 if (do_deinterlace) {
831 int size;
832
833 /* create temporary picture */
834 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
835 buf = av_malloc(size);
836 if (!buf)
837 return;
838
839 picture2 = &picture_tmp;
840 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
841
842 if(avpicture_deinterlace(picture2, picture,
843 dec->pix_fmt, dec->width, dec->height) < 0) {
844 /* if error, do not deinterlace */
845 fprintf(stderr, "Deinterlacing failed\n");
846 av_free(buf);
847 buf = NULL;
848 picture2 = picture;
849 }
850 } else {
851 picture2 = picture;
852 }
853
854 if (picture != picture2)
855 *picture = *picture2;
856 *bufp = buf;
857 }
858
859 /* we begin to correct av delay at this threshold */
860 #define AV_DELAY_MAX 0.100
861
862 static void do_subtitle_out(AVFormatContext *s,
863 AVOutputStream *ost,
864 AVInputStream *ist,
865 AVSubtitle *sub,
866 int64_t pts)
867 {
868 static uint8_t *subtitle_out = NULL;
869 int subtitle_out_max_size = 1024 * 1024;
870 int subtitle_out_size, nb, i;
871 AVCodecContext *enc;
872 AVPacket pkt;
873
874 if (pts == AV_NOPTS_VALUE) {
875 fprintf(stderr, "Subtitle packets must have a pts\n");
876 if (exit_on_error)
877 av_exit(1);
878 return;
879 }
880
881 enc = ost->st->codec;
882
883 if (!subtitle_out) {
884 subtitle_out = av_malloc(subtitle_out_max_size);
885 }
886
887 /* Note: DVB subtitle need one packet to draw them and one other
888 packet to clear them */
889 /* XXX: signal it in the codec context ? */
890 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
891 nb = 2;
892 else
893 nb = 1;
894
895 for(i = 0; i < nb; i++) {
896 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
897 // start_display_time is required to be 0
898 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
899 sub->end_display_time -= sub->start_display_time;
900 sub->start_display_time = 0;
901 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
902 subtitle_out_max_size, sub);
903 if (subtitle_out_size < 0) {
904 fprintf(stderr, "Subtitle encoding failed\n");
905 av_exit(1);
906 }
907
908 av_init_packet(&pkt);
909 pkt.stream_index = ost->index;
910 pkt.data = subtitle_out;
911 pkt.size = subtitle_out_size;
912 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
913 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
914 /* XXX: the pts correction is handled here. Maybe handling
915 it in the codec would be better */
916 if (i == 0)
917 pkt.pts += 90 * sub->start_display_time;
918 else
919 pkt.pts += 90 * sub->end_display_time;
920 }
921 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
922 }
923 }
924
925 static int bit_buffer_size= 1024*256;
926 static uint8_t *bit_buffer= NULL;
927
928 static void do_video_out(AVFormatContext *s,
929 AVOutputStream *ost,
930 AVInputStream *ist,
931 AVFrame *in_picture,
932 int *frame_size)
933 {
934 int nb_frames, i, ret;
935 int64_t topBand, bottomBand, leftBand, rightBand;
936 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
937 AVFrame picture_crop_temp, picture_pad_temp;
938 AVCodecContext *enc, *dec;
939 double sync_ipts;
940
941 avcodec_get_frame_defaults(&picture_crop_temp);
942 avcodec_get_frame_defaults(&picture_pad_temp);
943
944 enc = ost->st->codec;
945 dec = ist->st->codec;
946
947 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
948
949 /* by default, we output a single frame */
950 nb_frames = 1;
951
952 *frame_size = 0;
953
954 if(video_sync_method){
955 double vdelta = sync_ipts - ost->sync_opts;
956 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
957 if (vdelta < -1.1)
958 nb_frames = 0;
959 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
960 if(vdelta<=-0.6){
961 nb_frames=0;
962 }else if(vdelta>0.6)
963 ost->sync_opts= lrintf(sync_ipts);
964 }else if (vdelta > 1.1)
965 nb_frames = lrintf(vdelta);
966 //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);
967 if (nb_frames == 0){
968 ++nb_frames_drop;
969 if (verbose>2)
970 fprintf(stderr, "*** drop!\n");
971 }else if (nb_frames > 1) {
972 nb_frames_dup += nb_frames - 1;
973 if (verbose>2)
974 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
975 }
976 }else
977 ost->sync_opts= lrintf(sync_ipts);
978
979 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
980 if (nb_frames <= 0)
981 return;
982
983 if (ost->video_crop) {
984 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
985 fprintf(stderr, "error cropping picture\n");
986 if (exit_on_error)
987 av_exit(1);
988 return;
989 }
990 formatted_picture = &picture_crop_temp;
991 } else {
992 formatted_picture = in_picture;
993 }
994
995 final_picture = formatted_picture;
996 padding_src = formatted_picture;
997 resampling_dst = &ost->pict_tmp;
998 if (ost->video_pad) {
999 final_picture = &ost->pict_tmp;
1000 if (ost->video_resample) {
1001 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
1002 fprintf(stderr, "error padding picture\n");
1003 if (exit_on_error)
1004 av_exit(1);
1005 return;
1006 }
1007 resampling_dst = &picture_pad_temp;
1008 }
1009 }
1010
1011 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1012 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1013 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1014
1015 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1016 if(!ost->video_resample)
1017 av_exit(1);
1018 }
1019
1020 if (ost->video_resample) {
1021 padding_src = NULL;
1022 final_picture = &ost->pict_tmp;
1023 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1024 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1025 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1026
1027 /* keep bands proportional to the frame size */
1028 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1029 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1030 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1031 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1032
1033 /* sanity check to ensure no bad band sizes sneak in */
1034 assert(topBand <= INT_MAX && topBand >= 0);
1035 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1036 assert(leftBand <= INT_MAX && leftBand >= 0);
1037 assert(rightBand <= INT_MAX && rightBand >= 0);
1038
1039 ost->topBand = topBand;
1040 ost->bottomBand = bottomBand;
1041 ost->leftBand = leftBand;
1042 ost->rightBand = rightBand;
1043
1044 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1045 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1046 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1047
1048 /* initialize a new scaler context */
1049 sws_freeContext(ost->img_resample_ctx);
1050 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1051 ost->img_resample_ctx = sws_getContext(
1052 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1053 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1054 ist->st->codec->pix_fmt,
1055 ost->st->codec->width - (ost->padleft + ost->padright),
1056 ost->st->codec->height - (ost->padtop + ost->padbottom),
1057 ost->st->codec->pix_fmt,
1058 sws_flags, NULL, NULL, NULL);
1059 if (ost->img_resample_ctx == NULL) {
1060 fprintf(stderr, "Cannot get resampling context\n");
1061 av_exit(1);
1062 }
1063 }
1064 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1065 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1066 }
1067
1068 if (ost->video_pad) {
1069 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1070 enc->height, enc->width, enc->pix_fmt,
1071 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1072 }
1073
1074 /* duplicates frame if needed */
1075 for(i=0;i<nb_frames;i++) {
1076 AVPacket pkt;
1077 av_init_packet(&pkt);
1078 pkt.stream_index= ost->index;
1079
1080 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1081 /* raw pictures are written as AVPicture structure to
1082 avoid any copies. We support temorarily the older
1083 method. */
1084 AVFrame* old_frame = enc->coded_frame;
1085 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1086 pkt.data= (uint8_t *)final_picture;
1087 pkt.size= sizeof(AVPicture);
1088 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1089 pkt.flags |= AV_PKT_FLAG_KEY;
1090
1091 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1092 enc->coded_frame = old_frame;
1093 } else {
1094 AVFrame big_picture;
1095
1096 big_picture= *final_picture;
1097 /* better than nothing: use input picture interlaced
1098 settings */
1099 big_picture.interlaced_frame = in_picture->interlaced_frame;
1100 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1101 if(top_field_first == -1)
1102 big_picture.top_field_first = in_picture->top_field_first;
1103 else
1104 big_picture.top_field_first = top_field_first;
1105 }
1106
1107 /* handles sameq here. This is not correct because it may
1108 not be a global option */
1109 if (same_quality) {
1110 big_picture.quality = ist->st->quality;
1111 }else
1112 big_picture.quality = ost->st->quality;
1113 if(!me_threshold)
1114 big_picture.pict_type = 0;
1115 // big_picture.pts = AV_NOPTS_VALUE;
1116 big_picture.pts= ost->sync_opts;
1117 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1118 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1119 ret = avcodec_encode_video(enc,
1120 bit_buffer, bit_buffer_size,
1121 &big_picture);
1122 if (ret < 0) {
1123 fprintf(stderr, "Video encoding failed\n");
1124 av_exit(1);
1125 }
1126
1127 if(ret>0){
1128 pkt.data= bit_buffer;
1129 pkt.size= ret;
1130 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1131 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1132 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1133 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1134 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1135
1136 if(enc->coded_frame->key_frame)
1137 pkt.flags |= AV_PKT_FLAG_KEY;
1138 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1139 *frame_size = ret;
1140 video_size += ret;
1141 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1142 // enc->frame_number-1, ret, enc->pict_type);
1143 /* if two pass, output log */
1144 if (ost->logfile && enc->stats_out) {
1145 fprintf(ost->logfile, "%s", enc->stats_out);
1146 }
1147 }
1148 }
1149 ost->sync_opts++;
1150 ost->frame_number++;
1151 }
1152 }
1153
1154 static double psnr(double d){
1155 return -10.0*log(d)/log(10.0);
1156 }
1157
1158 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1159 int frame_size)
1160 {
1161 AVCodecContext *enc;
1162 int frame_number;
1163 double ti1, bitrate, avg_bitrate;
1164
1165 /* this is executed just the first time do_video_stats is called */
1166 if (!vstats_file) {
1167 vstats_file = fopen(vstats_filename, "w");
1168 if (!vstats_file) {
1169 perror("fopen");
1170 av_exit(1);
1171 }
1172 }
1173
1174 enc = ost->st->codec;
1175 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1176 frame_number = ost->frame_number;
1177 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1178 if (enc->flags&CODEC_FLAG_PSNR)
1179 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1180
1181 fprintf(vstats_file,"f_size= %6d ", frame_size);
1182 /* compute pts value */
1183 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1184 if (ti1 < 0.01)
1185 ti1 = 0.01;
1186
1187 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1188 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1189 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1190 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1191 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1192 }
1193 }
1194
1195 static void print_report(AVFormatContext **output_files,
1196 AVOutputStream **ost_table, int nb_ostreams,
1197 int is_last_report)
1198 {
1199 char buf[1024];
1200 AVOutputStream *ost;
1201 AVFormatContext *oc;
1202 int64_t total_size;
1203 AVCodecContext *enc;
1204 int frame_number, vid, i;
1205 double bitrate, ti1, pts;
1206 static int64_t last_time = -1;
1207 static int qp_histogram[52];
1208
1209 if (!is_last_report) {
1210 int64_t cur_time;
1211 /* display the report every 0.5 seconds */
1212 cur_time = av_gettime();
1213 if (last_time == -1) {
1214 last_time = cur_time;
1215 return;
1216 }
1217 if ((cur_time - last_time) < 500000)
1218 return;
1219 last_time = cur_time;
1220 }
1221
1222
1223 oc = output_files[0];
1224
1225 total_size = url_fsize(oc->pb);
1226 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1227 total_size= url_ftell(oc->pb);
1228
1229 buf[0] = '\0';
1230 ti1 = 1e10;
1231 vid = 0;
1232 for(i=0;i<nb_ostreams;i++) {
1233 ost = ost_table[i];
1234 enc = ost->st->codec;
1235 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1236 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1237 !ost->st->stream_copy ?
1238 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1239 }
1240 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1241 float t = (av_gettime()-timer_start) / 1000000.0;
1242
1243 frame_number = ost->frame_number;
1244 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1245 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1246 !ost->st->stream_copy ?
1247 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1248 if(is_last_report)
1249 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1250 if(qp_hist){
1251 int j;
1252 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1253 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1254 qp_histogram[qp]++;
1255 for(j=0; j<32; j++)
1256 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1257 }
1258 if (enc->flags&CODEC_FLAG_PSNR){
1259 int j;
1260 double error, error_sum=0;
1261 double scale, scale_sum=0;
1262 char type[3]= {'Y','U','V'};
1263 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1264 for(j=0; j<3; j++){
1265 if(is_last_report){
1266 error= enc->error[j];
1267 scale= enc->width*enc->height*255.0*255.0*frame_number;
1268 }else{
1269 error= enc->coded_frame->error[j];
1270 scale= enc->width*enc->height*255.0*255.0;
1271 }
1272 if(j) scale/=4;
1273 error_sum += error;
1274 scale_sum += scale;
1275 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1276 }
1277 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1278 }
1279 vid = 1;
1280 }
1281 /* compute min output value */
1282 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1283 if ((pts < ti1) && (pts > 0))
1284 ti1 = pts;
1285 }
1286 if (ti1 < 0.01)
1287 ti1 = 0.01;
1288
1289 if (verbose || is_last_report) {
1290 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1291
1292 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1293 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1294 (double)total_size / 1024, ti1, bitrate);
1295
1296 if (nb_frames_dup || nb_frames_drop)
1297 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1298 nb_frames_dup, nb_frames_drop);
1299
1300 if (verbose >= 0)
1301 fprintf(stderr, "%s \r", buf);
1302
1303 fflush(stderr);
1304 }
1305
1306 if (is_last_report && verbose >= 0){
1307 int64_t raw= audio_size + video_size + extra_size;
1308 fprintf(stderr, "\n");
1309 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1310 video_size/1024.0,
1311 audio_size/1024.0,
1312 extra_size/1024.0,
1313 100.0*(total_size - raw)/raw
1314 );
1315 }
1316 }
1317
1318 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1319 static int output_packet(AVInputStream *ist, int ist_index,
1320 AVOutputStream **ost_table, int nb_ostreams,
1321 const AVPacket *pkt)
1322 {
1323 AVFormatContext *os;
1324 AVOutputStream *ost;
1325 int ret, i;
1326 int got_picture;
1327 AVFrame picture;
1328 void *buffer_to_free;
1329 static unsigned int samples_size= 0;
1330 AVSubtitle subtitle, *subtitle_to_free;
1331 int got_subtitle;
1332 AVPacket avpkt;
1333 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1334
1335 if(ist->next_pts == AV_NOPTS_VALUE)
1336 ist->next_pts= ist->pts;
1337
1338 if (pkt == NULL) {
1339 /* EOF handling */
1340 av_init_packet(&avpkt);
1341 avpkt.data = NULL;
1342 avpkt.size = 0;
1343 goto handle_eof;
1344 } else {
1345 avpkt = *pkt;
1346 }
1347
1348 if(pkt->dts != AV_NOPTS_VALUE)
1349 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1350
1351 //while we have more to decode or while the decoder did output something on EOF
1352 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1353 uint8_t *data_buf, *decoded_data_buf;
1354 int data_size, decoded_data_size;
1355 handle_eof:
1356 ist->pts= ist->next_pts;
1357
1358 if(avpkt.size && avpkt.size != pkt->size &&
1359 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1360 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1361 ist->showed_multi_packet_warning=1;
1362 }
1363
1364 /* decode the packet if needed */
1365 decoded_data_buf = NULL; /* fail safe */
1366 decoded_data_size= 0;
1367 data_buf = avpkt.data;
1368 data_size = avpkt.size;
1369 subtitle_to_free = NULL;
1370 if (ist->decoding_needed) {
1371 switch(ist->st->codec->codec_type) {
1372 case AVMEDIA_TYPE_AUDIO:{
1373 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1374 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1375 av_free(samples);
1376 samples= av_malloc(samples_size);
1377 }
1378 decoded_data_size= samples_size;
1379 /* XXX: could avoid copy if PCM 16 bits with same
1380 endianness as CPU */
1381 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1382 &avpkt);
1383 if (ret < 0)
1384 goto fail_decode;
1385 avpkt.data += ret;
1386 avpkt.size -= ret;
1387 data_size = ret;
1388 /* Some bug in mpeg audio decoder gives */
1389 /* decoded_data_size < 0, it seems they are overflows */
1390 if (decoded_data_size <= 0) {
1391 /* no audio frame */
1392 continue;
1393 }
1394 decoded_data_buf = (uint8_t *)samples;
1395 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1396 (ist->st->codec->sample_rate * ist->st->codec->channels);
1397 break;}
1398 case AVMEDIA_TYPE_VIDEO:
1399 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1400 /* XXX: allocate picture correctly */
1401 avcodec_get_frame_defaults(&picture);
1402
1403 ret = avcodec_decode_video2(ist->st->codec,
1404 &picture, &got_picture, &avpkt);
1405 ist->st->quality= picture.quality;
1406 if (ret < 0)
1407 goto fail_decode;
1408 if (!got_picture) {
1409 /* no picture yet */
1410 goto discard_packet;
1411 }
1412 if (ist->st->codec->time_base.num != 0) {
1413 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1414 ist->next_pts += ((int64_t)AV_TIME_BASE *
1415 ist->st->codec->time_base.num * ticks) /
1416 ist->st->codec->time_base.den;
1417 }
1418 avpkt.size = 0;
1419 break;
1420 case AVMEDIA_TYPE_SUBTITLE:
1421 ret = avcodec_decode_subtitle2(ist->st->codec,
1422 &subtitle, &got_subtitle, &avpkt);
1423 if (ret < 0)
1424 goto fail_decode;
1425 if (!got_subtitle) {
1426 goto discard_packet;
1427 }
1428 subtitle_to_free = &subtitle;
1429 avpkt.size = 0;
1430 break;
1431 default:
1432 goto fail_decode;
1433 }
1434 } else {
1435 switch(ist->st->codec->codec_type) {
1436 case AVMEDIA_TYPE_AUDIO:
1437 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1438 ist->st->codec->sample_rate;
1439 break;
1440 case AVMEDIA_TYPE_VIDEO:
1441 if (ist->st->codec->time_base.num != 0) {
1442 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1443 ist->next_pts += ((int64_t)AV_TIME_BASE *
1444 ist->st->codec->time_base.num * ticks) /
1445 ist->st->codec->time_base.den;
1446 }
1447 break;
1448 }
1449 ret = avpkt.size;
1450 avpkt.size = 0;
1451 }
1452
1453 buffer_to_free = NULL;
1454 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1455 pre_process_video_frame(ist, (AVPicture *)&picture,
1456 &buffer_to_free);
1457 }
1458
1459 // preprocess audio (volume)
1460 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1461 if (audio_volume != 256) {
1462 short *volp;
1463 volp = samples;
1464 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1465 int v = ((*volp) * audio_volume + 128) >> 8;
1466 if (v < -32768) v = -32768;
1467 if (v > 32767) v = 32767;
1468 *volp++ = v;
1469 }
1470 }
1471 }
1472
1473 /* frame rate emulation */
1474 if (rate_emu) {
1475 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1476 int64_t now = av_gettime() - ist->start;
1477 if (pts > now)
1478 usleep(pts - now);
1479 }
1480
1481 /* if output time reached then transcode raw format,
1482 encode packets and output them */
1483 if (start_time == 0 || ist->pts >= start_time)
1484 for(i=0;i<nb_ostreams;i++) {
1485 int frame_size;
1486
1487 ost = ost_table[i];
1488 if (ost->source_index == ist_index) {
1489 os = output_files[ost->file_index];
1490
1491 /* set the input output pts pairs */
1492 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1493
1494 if (ost->encoding_needed) {
1495 assert(ist->decoding_needed);
1496 switch(ost->st->codec->codec_type) {
1497 case AVMEDIA_TYPE_AUDIO:
1498 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1499 break;
1500 case AVMEDIA_TYPE_VIDEO:
1501 do_video_out(os, ost, ist, &picture, &frame_size);
1502 if (vstats_filename && frame_size)
1503 do_video_stats(os, ost, frame_size);
1504 break;
1505 case AVMEDIA_TYPE_SUBTITLE:
1506 do_subtitle_out(os, ost, ist, &subtitle,
1507 pkt->pts);
1508 break;
1509 default:
1510 abort();
1511 }
1512 } else {
1513 AVFrame avframe; //FIXME/XXX remove this
1514 AVPacket opkt;
1515 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1516
1517 av_init_packet(&opkt);
1518
1519 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1520 continue;
1521
1522 /* no reencoding needed : output the packet directly */
1523 /* force the input stream PTS */
1524
1525 avcodec_get_frame_defaults(&avframe);
1526 ost->st->codec->coded_frame= &avframe;
1527 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1528
1529 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1530 audio_size += data_size;
1531 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1532 video_size += data_size;
1533 ost->sync_opts++;
1534 }
1535
1536 opkt.stream_index= ost->index;
1537 if(pkt->pts != AV_NOPTS_VALUE)
1538 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1539 else
1540 opkt.pts= AV_NOPTS_VALUE;
1541
1542 if (pkt->dts == AV_NOPTS_VALUE)
1543 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1544 else
1545 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1546 opkt.dts -= ost_tb_start_time;
1547
1548 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1549 opkt.flags= pkt->flags;
1550
1551 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1552 if( ost->st->codec->codec_id != CODEC_ID_H264
1553 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1554 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1555 ) {
1556 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1557 opkt.destruct= av_destruct_packet;
1558 } else {
1559 opkt.data = data_buf;
1560 opkt.size = data_size;
1561 }
1562
1563 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1564 ost->st->codec->frame_number++;
1565 ost->frame_number++;
1566 av_free_packet(&opkt);
1567 }
1568 }
1569 }
1570 av_free(buffer_to_free);
1571 /* XXX: allocate the subtitles in the codec ? */
1572 if (subtitle_to_free) {
1573 if (subtitle_to_free->rects != NULL) {
1574 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1575 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1576 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1577 av_freep(&subtitle_to_free->rects[i]);
1578 }
1579 av_freep(&subtitle_to_free->rects);
1580 }
1581 subtitle_to_free->num_rects = 0;
1582 subtitle_to_free = NULL;
1583 }
1584 }
1585 discard_packet:
1586 if (pkt == NULL) {
1587 /* EOF handling */
1588
1589 for(i=0;i<nb_ostreams;i++) {
1590 ost = ost_table[i];
1591 if (ost->source_index == ist_index) {
1592 AVCodecContext *enc= ost->st->codec;
1593 os = output_files[ost->file_index];
1594
1595 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1596 continue;
1597 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1598 continue;
1599
1600 if (ost->encoding_needed) {
1601 for(;;) {
1602 AVPacket pkt;
1603 int fifo_bytes;
1604 av_init_packet(&pkt);
1605 pkt.stream_index= ost->index;
1606
1607 switch(ost->st->codec->codec_type) {
1608 case AVMEDIA_TYPE_AUDIO:
1609 fifo_bytes = av_fifo_size(ost->fifo);
1610 ret = 0;
1611 /* encode any samples remaining in fifo */
1612 if (fifo_bytes > 0) {
1613 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1614 int fs_tmp = enc->frame_size;
1615
1616 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1617 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1618 enc->frame_size = fifo_bytes / (osize * enc->channels);
1619 } else { /* pad */
1620 int frame_bytes = enc->frame_size*osize*enc->channels;
1621 if (samples_size < frame_bytes)
1622 av_exit(1);
1623 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1624 }
1625
1626 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1627 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1628 ost->st->time_base.num, enc->sample_rate);
1629 enc->frame_size = fs_tmp;
1630 }
1631 if(ret <= 0) {
1632 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1633 }
1634 if (ret < 0) {
1635 fprintf(stderr, "Audio encoding failed\n");
1636 av_exit(1);
1637 }
1638 audio_size += ret;
1639 pkt.flags |= AV_PKT_FLAG_KEY;
1640 break;
1641 case AVMEDIA_TYPE_VIDEO:
1642 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1643 if (ret < 0) {
1644 fprintf(stderr, "Video encoding failed\n");
1645 av_exit(1);
1646 }
1647 video_size += ret;
1648 if(enc->coded_frame && enc->coded_frame->key_frame)
1649 pkt.flags |= AV_PKT_FLAG_KEY;
1650 if (ost->logfile && enc->stats_out) {
1651 fprintf(ost->logfile, "%s", enc->stats_out);
1652 }
1653 break;
1654 default:
1655 ret=-1;
1656 }
1657
1658 if(ret<=0)
1659 break;
1660 pkt.data= bit_buffer;
1661 pkt.size= ret;
1662 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1663 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1664 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1665 }
1666 }
1667 }
1668 }
1669 }
1670
1671 return 0;
1672 fail_decode:
1673 return -1;
1674 }
1675
1676 static void print_sdp(AVFormatContext **avc, int n)
1677 {
1678 char sdp[2048];
1679
1680 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1681 printf("SDP:\n%s\n", sdp);
1682 fflush(stdout);
1683 }
1684
1685 static int copy_chapters(int infile, int outfile)
1686 {
1687 AVFormatContext *is = input_files[infile];
1688 AVFormatContext *os = output_files[outfile];
1689 int i;
1690
1691 for (i = 0; i < is->nb_chapters; i++) {
1692 AVChapter *in_ch = is->chapters[i], *out_ch;
1693 AVMetadataTag *t = NULL;
1694 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1695 AV_TIME_BASE_Q, in_ch->time_base);
1696 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1697 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1698
1699
1700 if (in_ch->end < ts_off)
1701 continue;
1702 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1703 break;
1704
1705 out_ch = av_mallocz(sizeof(AVChapter));
1706 if (!out_ch)
1707 return AVERROR(ENOMEM);
1708
1709 out_ch->id = in_ch->id;
1710 out_ch->time_base = in_ch->time_base;
1711 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1712 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1713
1714 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1715 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1716
1717 os->nb_chapters++;
1718 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1719 if (!os->chapters)
1720 return AVERROR(ENOMEM);
1721 os->chapters[os->nb_chapters - 1] = out_ch;
1722 }
1723 return 0;
1724 }
1725
1726 /*
1727 * The following code is the main loop of the file converter
1728 */
1729 static int av_transcode(AVFormatContext **output_files,
1730 int nb_output_files,
1731 AVFormatContext **input_files,
1732 int nb_input_files,
1733 AVStreamMap *stream_maps, int nb_stream_maps)
1734 {
1735 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1736 AVFormatContext *is, *os;
1737 AVCodecContext *codec, *icodec;
1738 AVOutputStream *ost, **ost_table = NULL;
1739 AVInputStream *ist, **ist_table = NULL;
1740 AVInputFile *file_table;
1741 char error[1024];
1742 int key;
1743 int want_sdp = 1;
1744 uint8_t no_packet[MAX_FILES]={0};
1745 int no_packet_count=0;
1746
1747 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1748 if (!file_table)
1749 goto fail;
1750
1751 /* input stream init */
1752 j = 0;
1753 for(i=0;i<nb_input_files;i++) {
1754 is = input_files[i];
1755 file_table[i].ist_index = j;
1756 file_table[i].nb_streams = is->nb_streams;
1757 j += is->nb_streams;
1758 }
1759 nb_istreams = j;
1760
1761 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1762 if (!ist_table)
1763 goto fail;
1764
1765 for(i=0;i<nb_istreams;i++) {
1766 ist = av_mallocz(sizeof(AVInputStream));
1767 if (!ist)
1768 goto fail;
1769 ist_table[i] = ist;
1770 }
1771 j = 0;
1772 for(i=0;i<nb_input_files;i++) {
1773 is = input_files[i];
1774 for(k=0;k<is->nb_streams;k++) {
1775 ist = ist_table[j++];
1776 ist->st = is->streams[k];
1777 ist->file_index = i;
1778 ist->index = k;
1779 ist->discard = 1; /* the stream is discarded by default
1780 (changed later) */
1781
1782 if (rate_emu) {
1783 ist->start = av_gettime();
1784 }
1785 }
1786 }
1787
1788 /* output stream init */
1789 nb_ostreams = 0;
1790 for(i=0;i<nb_output_files;i++) {
1791 os = output_files[i];
1792 if (!os->nb_streams) {
1793 dump_format(output_files[i], i, output_files[i]->filename, 1);
1794 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1795 av_exit(1);
1796 }
1797 nb_ostreams += os->nb_streams;
1798 }
1799 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1800 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1801 av_exit(1);
1802 }
1803
1804 /* Sanity check the mapping args -- do the input files & streams exist? */
1805 for(i=0;i<nb_stream_maps;i++) {
1806 int fi = stream_maps[i].file_index;
1807 int si = stream_maps[i].stream_index;
1808
1809 if (fi < 0 || fi > nb_input_files - 1 ||
1810 si < 0 || si > file_table[fi].nb_streams - 1) {
1811 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1812 av_exit(1);
1813 }
1814 fi = stream_maps[i].sync_file_index;
1815 si = stream_maps[i].sync_stream_index;
1816 if (fi < 0 || fi > nb_input_files - 1 ||
1817 si < 0 || si > file_table[fi].nb_streams - 1) {
1818 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1819 av_exit(1);
1820 }
1821 }
1822
1823 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1824 if (!ost_table)
1825 goto fail;
1826 for(i=0;i<nb_ostreams;i++) {
1827 ost = av_mallocz(sizeof(AVOutputStream));
1828 if (!ost)
1829 goto fail;
1830 ost_table[i] = ost;
1831 }
1832
1833 n = 0;
1834 for(k=0;k<nb_output_files;k++) {
1835 os = output_files[k];
1836 for(i=0;i<os->nb_streams;i++,n++) {
1837 int found;
1838 ost = ost_table[n];
1839 ost->file_index = k;
1840 ost->index = i;
1841 ost->st = os->streams[i];
1842 if (nb_stream_maps > 0) {
1843 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1844 stream_maps[n].stream_index;
1845
1846 /* Sanity check that the stream types match */
1847 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1848 int i= ost->file_index;
1849 dump_format(output_files[i], i, output_files[i]->filename, 1);
1850 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1851 stream_maps[n].file_index, stream_maps[n].stream_index,
1852 ost->file_index, ost->index);
1853 av_exit(1);
1854 }
1855
1856 } else {
1857 int best_nb_frames=-1;
1858 /* get corresponding input stream index : we select the first one with the right type */
1859 found = 0;
1860 for(j=0;j<nb_istreams;j++) {
1861 int skip=0;
1862 ist = ist_table[j];
1863 if(opt_programid){
1864 int pi,si;
1865 AVFormatContext *f= input_files[ ist->file_index ];
1866 skip=1;
1867 for(pi=0; pi<f->nb_programs; pi++){
1868 AVProgram *p= f->programs[pi];
1869 if(p->id == opt_programid)
1870 for(si=0; si<p->nb_stream_indexes; si++){
1871 if(f->streams[ p->stream_index[si] ] == ist->st)
1872 skip=0;
1873 }
1874 }
1875 }
1876 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
1877 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1878 if(best_nb_frames < ist->st->codec_info_nb_frames){
1879 best_nb_frames= ist->st->codec_info_nb_frames;
1880 ost->source_index = j;
1881 found = 1;
1882 }
1883 }
1884 }
1885
1886 if (!found) {
1887 if(! opt_programid) {
1888 /* try again and reuse existing stream */
1889 for(j=0;j<nb_istreams;j++) {
1890 ist = ist_table[j];
1891 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
1892 && ist->st->discard != AVDISCARD_ALL) {
1893 ost->source_index = j;
1894 found = 1;
1895 }
1896 }
1897 }
1898 if (!found) {
1899 int i= ost->file_index;
1900 dump_format(output_files[i], i, output_files[i]->filename, 1);
1901 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1902 ost->file_index, ost->index);
1903 av_exit(1);
1904 }
1905 }
1906 }
1907 ist = ist_table[ost->source_index];
1908 ist->discard = 0;
1909 ost->sync_ist = (nb_stream_maps > 0) ?
1910 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1911 stream_maps[n].sync_stream_index] : ist;
1912 }
1913 }
1914
1915 /* for each output stream, we compute the right encoding parameters */
1916 for(i=0;i<nb_ostreams;i++) {
1917 AVMetadataTag *t = NULL, *lang = NULL;
1918 ost = ost_table[i];
1919 os = output_files[ost->file_index];
1920 ist = ist_table[ost->source_index];
1921
1922 codec = ost->st->codec;
1923 icodec = ist->st->codec;
1924
1925 if (av_metadata_get(ist->st->metadata, "language", NULL, 0))
1926 lang = av_metadata_get(ost->st->metadata, "language", NULL, 0);
1927 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
1928 if (lang && !strcmp(t->key, "language"))
1929 continue;
1930 av_metadata_set2(&ost->st->metadata, t->key, t->value, 0);
1931 }
1932
1933 ost->st->disposition = ist->st->disposition;
1934 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1935 codec->chroma_sample_location = icodec->chroma_sample_location;
1936
1937 if (ost->st->stream_copy) {
1938 /* if stream_copy is selected, no need to decode or encode */
1939 codec->codec_id = icodec->codec_id;
1940 codec->codec_type = icodec->codec_type;
1941
1942 if(!codec->codec_tag){
1943 if( !os->oformat->codec_tag
1944 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1945 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1946 codec->codec_tag = icodec->codec_tag;
1947 }
1948
1949 codec->bit_rate = icodec->bit_rate;
1950 codec->extradata= icodec->extradata;
1951 codec->extradata_size= icodec->extradata_size;
1952 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1953 codec->time_base = icodec->time_base;
1954 codec->time_base.num *= icodec->ticks_per_frame;
1955 }else
1956 codec->time_base = ist->st->time_base;
1957 switch(codec->codec_type) {
1958 case AVMEDIA_TYPE_AUDIO:
1959 if(audio_volume != 256) {
1960 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1961 av_exit(1);
1962 }
1963 codec->channel_layout = icodec->channel_layout;
1964 codec->sample_rate = icodec->sample_rate;
1965 codec->channels = icodec->channels;
1966 codec->frame_size = icodec->frame_size;
1967 codec->block_align= icodec->block_align;
1968 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1969 codec->block_align= 0;
1970 if(codec->codec_id == CODEC_ID_AC3)
1971 codec->block_align= 0;
1972 break;
1973 case AVMEDIA_TYPE_VIDEO:
1974 codec->pix_fmt = icodec->pix_fmt;
1975 codec->width = icodec->width;
1976 codec->height = icodec->height;
1977 codec->has_b_frames = icodec->has_b_frames;
1978 break;
1979 case AVMEDIA_TYPE_SUBTITLE:
1980 codec->width = icodec->width;
1981 codec->height = icodec->height;
1982 break;
1983 default:
1984 abort();
1985 }
1986 } else {
1987 switch(codec->codec_type) {
1988 case AVMEDIA_TYPE_AUDIO:
1989 ost->fifo= av_fifo_alloc(1024);
1990 if(!ost->fifo)
1991 goto fail;
1992 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1993 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1994 icodec->request_channels = codec->channels;
1995 ist->decoding_needed = 1;
1996 ost->encoding_needed = 1;
1997 break;
1998 case AVMEDIA_TYPE_VIDEO:
1999 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2000 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2001 av_exit(1);
2002 }
2003 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2004 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
2005 ost->video_resample = ((codec->width != icodec->width -
2006 (frame_leftBand + frame_rightBand) +
2007 (frame_padleft + frame_padright)) ||
2008 (codec->height != icodec->height -
2009 (frame_topBand + frame_bottomBand) +
2010 (frame_padtop + frame_padbottom)) ||
2011 (codec->pix_fmt != icodec->pix_fmt));
2012 if (ost->video_crop) {
2013 ost->topBand = ost->original_topBand = frame_topBand;
2014 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2015 ost->leftBand = ost->original_leftBand = frame_leftBand;
2016 ost->rightBand = ost->original_rightBand = frame_rightBand;
2017 }
2018 if (ost->video_pad) {
2019 ost->padtop = frame_padtop;
2020 ost->padleft = frame_padleft;
2021 ost->padbottom = frame_padbottom;
2022 ost->padright = frame_padright;
2023 if (!ost->video_resample) {
2024 avcodec_get_frame_defaults(&ost->pict_tmp);
2025 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2026 codec->width, codec->height))
2027 goto fail;
2028 }
2029 }
2030 if (ost->video_resample) {
2031 avcodec_get_frame_defaults(&ost->pict_tmp);
2032 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2033 codec->width, codec->height)) {
2034 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2035 av_exit(1);
2036 }
2037 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2038 ost->img_resample_ctx = sws_getContext(
2039 icodec->width - (frame_leftBand + frame_rightBand),
2040 icodec->height - (frame_topBand + frame_bottomBand),
2041 icodec->pix_fmt,
2042 codec->width - (frame_padleft + frame_padright),
2043 codec->height - (frame_padtop + frame_padbottom),
2044 codec->pix_fmt,
2045 sws_flags, NULL, NULL, NULL);
2046 if (ost->img_resample_ctx == NULL) {
2047 fprintf(stderr, "Cannot get resampling context\n");
2048 av_exit(1);
2049 }
2050
2051 ost->original_height = icodec->height;
2052 ost->original_width = icodec->width;
2053
2054 codec->bits_per_raw_sample= 0;
2055 }
2056 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2057 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2058 ost->resample_pix_fmt= icodec->pix_fmt;
2059 ost->encoding_needed = 1;
2060 ist->decoding_needed = 1;
2061 break;
2062 case AVMEDIA_TYPE_SUBTITLE:
2063 ost->encoding_needed = 1;
2064 ist->decoding_needed = 1;
2065 break;
2066 default:
2067 abort();
2068 break;
2069 }
2070 /* two pass mode */
2071 if (ost->encoding_needed &&
2072 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2073 char logfilename[1024];
2074 FILE *f;
2075
2076 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2077 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2078 i);
2079 if (codec->flags & CODEC_FLAG_PASS1) {
2080 f = fopen(logfilename, "w");
2081 if (!f) {
2082 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2083 av_exit(1);
2084 }
2085 ost->logfile = f;
2086 } else {
2087 char *logbuffer;
2088 size_t logbuffer_size;
2089 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2090 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2091 av_exit(1);
2092 }
2093 codec->stats_in = logbuffer;
2094 }
2095 }
2096 }
2097 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2098 int size= codec->width * codec->height;
2099 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2100 }
2101 }
2102
2103 if (!bit_buffer)
2104 bit_buffer = av_malloc(bit_buffer_size);
2105 if (!bit_buffer) {
2106 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2107 bit_buffer_size);
2108 ret = AVERROR(ENOMEM);
2109 goto fail;
2110 }
2111
2112 /* open each encoder */
2113 for(i=0;i<nb_ostreams;i++) {
2114 ost = ost_table[i];
2115 if (ost->encoding_needed) {
2116 AVCodec *codec = output_codecs[i];
2117 if (!codec)
2118 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2119 if (!codec) {
2120 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2121 ost->st->codec->codec_id, ost->file_index, ost->index);
2122 ret = AVERROR(EINVAL);
2123 goto dump_format;
2124 }
2125 if (avcodec_open(ost->st->codec, codec) < 0) {
2126 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2127 ost->file_index, ost->index);
2128 ret = AVERROR(EINVAL);
2129 goto dump_format;
2130 }
2131 extra_size += ost->st->codec->extradata_size;
2132 }
2133 }
2134
2135 /* open each decoder */
2136 for(i=0;i<nb_istreams;i++) {
2137 ist = ist_table[i];
2138 if (ist->decoding_needed) {
2139 AVCodec *codec = input_codecs[i];
2140 if (!codec)
2141 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2142 if (!codec) {
2143 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2144 ist->st->codec->codec_id, ist->file_index, ist->index);
2145 ret = AVERROR(EINVAL);
2146 goto dump_format;
2147 }
2148 if (avcodec_open(ist->st->codec, codec) < 0) {
2149 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2150 ist->file_index, ist->index);
2151 ret = AVERROR(EINVAL);
2152 goto dump_format;
2153 }
2154 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2155 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2156 }
2157 }
2158
2159 /* init pts */
2160 for(i=0;i<nb_istreams;i++) {
2161 AVStream *st;
2162 ist = ist_table[i];
2163 st= ist->st;
2164 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2165 ist->next_pts = AV_NOPTS_VALUE;
2166 ist->is_start = 1;
2167 }
2168
2169 /* set meta data information from input file if required */
2170 for (i=0;i<nb_meta_data_maps;i++) {
2171 AVFormatContext *out_file;
2172 AVFormatContext *in_file;
2173 AVMetadataTag *mtag;
2174
2175 int out_file_index = meta_data_maps[i].out_file;
2176 int in_file_index = meta_data_maps[i].in_file;
2177 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2178 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2179 out_file_index, out_file_index, in_file_index);
2180 ret = AVERROR(EINVAL);
2181 goto dump_format;
2182 }
2183 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2184 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2185 in_file_index, out_file_index, in_file_index);
2186 ret = AVERROR(EINVAL);
2187 goto dump_format;
2188 }
2189
2190 out_file = output_files[out_file_index];
2191 in_file = input_files[in_file_index];
2192
2193
2194 mtag=NULL;
2195 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2196 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2197 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2198 in_file->iformat->metadata_conv);
2199 }
2200
2201 /* copy chapters from the first input file that has them*/
2202 for (i = 0; i < nb_input_files; i++) {
2203 if (!input_files[i]->nb_chapters)
2204 continue;
2205
2206 for (j = 0; j < nb_output_files; j++)
2207 if ((ret = copy_chapters(i, j)) < 0)
2208 goto dump_format;
2209 }
2210
2211 /* open files and write file headers */
2212 for(i=0;i<nb_output_files;i++) {
2213 os = output_files[i];
2214 if (av_write_header(os) < 0) {
2215 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2216 ret = AVERROR(EINVAL);
2217 goto dump_format;
2218 }
2219 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2220 want_sdp = 0;
2221 }
2222 }
2223
2224 dump_format:
2225 /* dump the file output parameters - cannot be done before in case
2226 of stream copy */
2227 for(i=0;i<nb_output_files;i++) {
2228 dump_format(output_files[i], i, output_files[i]->filename, 1);
2229 }
2230
2231 /* dump the stream mapping */
2232 if (verbose >= 0) {
2233 fprintf(stderr, "Stream mapping:\n");
2234 for(i=0;i<nb_ostreams;i++) {
2235 ost = ost_table[i];
2236 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2237 ist_table[ost->source_index]->file_index,
2238 ist_table[ost->source_index]->index,
2239 ost->file_index,
2240 ost->index);
2241 if (ost->sync_ist != ist_table[ost->source_index])
2242 fprintf(stderr, " [sync #%d.%d]",
2243 ost->sync_ist->file_index,
2244 ost->sync_ist->index);
2245 fprintf(stderr, "\n");
2246 }
2247 }
2248
2249 if (ret) {
2250 fprintf(stderr, "%s\n", error);
2251 goto fail;
2252 }
2253
2254 if (want_sdp) {
2255 print_sdp(output_files, nb_output_files);
2256 }
2257
2258 if (!using_stdin && verbose >= 0) {
2259 fprintf(stderr, "Press [q] to stop encoding\n");
2260 url_set_interrupt_cb(decode_interrupt_cb);
2261 }
2262 term_init();
2263
2264 timer_start = av_gettime();
2265
2266 for(; received_sigterm == 0;) {
2267 int file_index, ist_index;
2268 AVPacket pkt;
2269 double ipts_min;
2270 double opts_min;
2271
2272 redo:
2273 ipts_min= 1e100;
2274 opts_min= 1e100;
2275 /* if 'q' pressed, exits */
2276 if (!using_stdin) {
2277 if (q_pressed)
2278 break;
2279 /* read_key() returns 0 on EOF */
2280 key = read_key();
2281 if (key == 'q')
2282 break;
2283 }
2284
2285 /* select the stream that we must read now by looking at the
2286 smallest output pts */
2287 file_index = -1;
2288 for(i=0;i<nb_ostreams;i++) {
2289 double ipts, opts;
2290 ost = ost_table[i];
2291 os = output_files[ost->file_index];
2292 ist = ist_table[ost->source_index];
2293 if(ist->is_past_recording_time || no_packet[ist->file_index])
2294 continue;
2295 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2296 ipts = (double)ist->pts;
2297 if (!file_table[ist->file_index].eof_reached){
2298 if(ipts < ipts_min) {
2299 ipts_min = ipts;
2300 if(input_sync ) file_index = ist->file_index;
2301 }
2302 if(opts < opts_min) {
2303 opts_min = opts;
2304 if(!input_sync) file_index = ist->file_index;
2305 }
2306 }
2307 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2308 file_index= -1;
2309 break;
2310 }
2311 }
2312 /* if none, if is finished */
2313 if (file_index < 0) {
2314 if(no_packet_count){
2315 no_packet_count=0;
2316 memset(no_packet, 0, sizeof(no_packet));
2317 usleep(10000);
2318 continue;
2319 }
2320 break;
2321 }
2322
2323 /* finish if limit size exhausted */
2324 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2325 break;
2326
2327 /* read a frame from it and output it in the fifo */
2328 is = input_files[file_index];
2329 ret= av_read_frame(is, &pkt);
2330 if(ret == AVERROR(EAGAIN)){
2331 no_packet[file_index]=1;
2332 no_packet_count++;
2333 continue;
2334 }
2335 if (ret < 0) {
2336 file_table[file_index].eof_reached = 1;
2337 if (opt_shortest)
2338 break;
2339 else
2340 continue;
2341 }
2342
2343 no_packet_count=0;
2344 memset(no_packet, 0, sizeof(no_packet));
2345
2346 if (do_pkt_dump) {
2347 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2348 }
2349 /* the following test is needed in case new streams appear
2350 dynamically in stream : we ignore them */
2351 if (pkt.stream_index >= file_table[file_index].nb_streams)
2352 goto discard_packet;
2353 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2354 ist = ist_table[ist_index];
2355 if (ist->discard)
2356 goto discard_packet;
2357
2358 if (pkt.dts != AV_NOPTS_VALUE)
2359 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2360 if (pkt.pts != AV_NOPTS_VALUE)
2361 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2362
2363 if(input_files_ts_scale[file_index][pkt.stream_index]){
2364 if(pkt.pts != AV_NOPTS_VALUE)
2365 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2366 if(pkt.dts != AV_NOPTS_VALUE)
2367 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2368 }
2369
2370 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2371 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2372 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2373 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2374 int64_t delta= pkt_dts - ist->next_pts;
2375 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2376 input_files_ts_offset[ist->file_index]-= delta;
2377 if (verbose > 2)
2378 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2379 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2380 if(pkt.pts != AV_NOPTS_VALUE)
2381 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2382 }
2383 }
2384
2385 /* finish if recording time exhausted */
2386 if (recording_time != INT64_MAX &&
2387 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2388 ist->is_past_recording_time = 1;
2389 goto discard_packet;
2390 }
2391
2392 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2393 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2394
2395 if (verbose >= 0)
2396 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2397 ist->file_index, ist->index);
2398 if (exit_on_error)
2399 av_exit(1);
2400 av_free_packet(&pkt);
2401 goto redo;
2402 }
2403
2404 discard_packet:
2405 av_free_packet(&pkt);
2406
2407 /* dump report by using the output first video and audio streams */
2408 print_report(output_files, ost_table, nb_ostreams, 0);
2409 }
2410
2411 /* at the end of stream, we must flush the decoder buffers */
2412 for(i=0;i<nb_istreams;i++) {
2413 ist = ist_table[i];
2414 if (ist->decoding_needed) {
2415 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2416 }
2417 }
2418
2419 term_exit();
2420
2421 /* write the trailer if needed and close file */
2422 for(i=0;i<nb_output_files;i++) {
2423 os = output_files[i];
2424 av_write_trailer(os);
2425 }
2426
2427 /* dump report by using the first video and audio streams */
2428 print_report(output_files, ost_table, nb_ostreams, 1);
2429
2430 /* close each encoder */
2431 for(i=0;i<nb_ostreams;i++) {
2432 ost = ost_table[i];
2433 if (ost->encoding_needed) {
2434 av_freep(&ost->st->codec->stats_in);
2435 avcodec_close(ost->st->codec);
2436 }
2437 }
2438
2439 /* close each decoder */
2440 for(i=0;i<nb_istreams;i++) {
2441 ist = ist_table[i];
2442 if (ist->decoding_needed) {
2443 avcodec_close(ist->st->codec);
2444 }
2445 }
2446
2447 /* finished ! */
2448 ret = 0;
2449
2450 fail:
2451 av_freep(&bit_buffer);
2452 av_free(file_table);
2453
2454 if (ist_table) {
2455 for(i=0;i<nb_istreams;i++) {
2456 ist = ist_table[i];
2457 av_free(ist);
2458 }
2459 av_free(ist_table);
2460 }
2461 if (ost_table) {
2462 for(i=0;i<nb_ostreams;i++) {
2463 ost = ost_table[i];
2464 if (ost) {
2465 if (ost->logfile) {
2466 fclose(ost->logfile);
2467 ost->logfile = NULL;
2468 }
2469 av_fifo_free(ost->fifo); /* works even if fifo is not
2470 initialized but set to zero */
2471 av_free(ost->pict_tmp.data[0]);
2472 if (ost->video_resample)
2473 sws_freeContext(ost->img_resample_ctx);
2474 if (ost->resample)
2475 audio_resample_close(ost->resample);
2476 if (ost->reformat_ctx)
2477 av_audio_convert_free(ost->reformat_ctx);
2478 av_free(ost);
2479 }
2480 }
2481 av_free(ost_table);
2482 }
2483 return ret;
2484 }
2485
2486 static void opt_format(const char *arg)
2487 {
2488 /* compatibility stuff for pgmyuv */
2489 if (!strcmp(arg, "pgmyuv")) {
2490 pgmyuv_compatibility_hack=1;
2491 // opt_image_format(arg);
2492 arg = "image2";
2493 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2494 }
2495
2496 last_asked_format = arg;
2497 }
2498
2499 static void opt_video_rc_override_string(const char *arg)
2500 {
2501 video_rc_override_string = arg;
2502 }
2503
2504 static int opt_me_threshold(const char *opt, const char *arg)
2505 {
2506 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2507 return 0;
2508 }
2509
2510 static int opt_verbose(const char *opt, const char *arg)
2511 {
2512 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2513 return 0;
2514 }
2515
2516 static int opt_frame_rate(const char *opt, const char *arg)
2517 {
2518 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2519 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2520 av_exit(1);
2521 }
2522 return 0;
2523 }
2524
2525 static int opt_bitrate(const char *opt, const char *arg)
2526 {
2527 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2528
2529 opt_default(opt, arg);
2530
2531 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2532 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2533
2534 return 0;
2535 }
2536
2537 static void opt_frame_crop_top(const char *arg)
2538 {
2539 frame_topBand = atoi(arg);
2540 if (frame_topBand < 0) {
2541 fprintf(stderr, "Incorrect top crop size\n");
2542 av_exit(1);
2543 }
2544 if ((frame_topBand) >= frame_height){
2545 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2546 av_exit(1);
2547 }
2548 frame_height -= frame_topBand;
2549 }
2550
2551 static void opt_frame_crop_bottom(const char *arg)
2552 {
2553 frame_bottomBand = atoi(arg);
2554 if (frame_bottomBand < 0) {
2555 fprintf(stderr, "Incorrect bottom crop size\n");
2556 av_exit(1);
2557 }
2558 if ((frame_bottomBand) >= frame_height){
2559 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2560 av_exit(1);
2561 }
2562 frame_height -= frame_bottomBand;
2563 }
2564
2565 static void opt_frame_crop_left(const char *arg)
2566 {
2567 frame_leftBand = atoi(arg);
2568 if (frame_leftBand < 0) {
2569 fprintf(stderr, "Incorrect left crop size\n");
2570 av_exit(1);
2571 }
2572 if ((frame_leftBand) >= frame_width){
2573 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2574 av_exit(1);
2575 }
2576 frame_width -= frame_leftBand;
2577 }
2578
2579 static void opt_frame_crop_right(const char *arg)
2580 {
2581 frame_rightBand = atoi(arg);
2582 if (frame_rightBand < 0) {
2583 fprintf(stderr, "Incorrect right crop size\n");
2584 av_exit(1);
2585 }
2586 if ((frame_rightBand) >= frame_width){
2587 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2588 av_exit(1);
2589 }
2590 frame_width -= frame_rightBand;
2591 }
2592
2593 static void opt_frame_size(const char *arg)
2594 {
2595 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2596 fprintf(stderr, "Incorrect frame size\n");
2597 av_exit(1);
2598 }
2599 }
2600
2601 static void opt_pad_color(const char *arg) {
2602 /* Input is expected to be six hex digits similar to
2603 how colors are expressed in html tags (but without the #) */
2604 int rgb = strtol(arg, NULL, 16);
2605 int r,g,b;
2606
2607 r = (rgb >> 16);
2608 g = ((rgb >> 8) & 255);
2609 b = (rgb & 255);
2610
2611 padcolor[0] = RGB_TO_Y(r,g,b);
2612 padcolor[1] = RGB_TO_U(r,g,b,0);
2613 padcolor[2] = RGB_TO_V(r,g,b,0);
2614 }
2615
2616 static void opt_frame_pad_top(const char *arg)
2617 {
2618 frame_padtop = atoi(arg);
2619 if (frame_padtop < 0) {
2620 fprintf(stderr, "Incorrect top pad size\n");
2621 av_exit(1);
2622 }
2623 }
2624
2625 static void opt_frame_pad_bottom(const char *arg)
2626 {
2627 frame_padbottom = atoi(arg);
2628 if (frame_padbottom < 0) {
2629 fprintf(stderr, "Incorrect bottom pad size\n");
2630 av_exit(1);
2631 }
2632 }
2633
2634
2635 static void opt_frame_pad_left(const char *arg)
2636 {
2637 frame_padleft = atoi(arg);
2638 if (frame_padleft < 0) {
2639 fprintf(stderr, "Incorrect left pad size\n");
2640 av_exit(1);
2641 }
2642 }
2643
2644
2645 static void opt_frame_pad_right(const char *arg)
2646 {
2647 frame_padright = atoi(arg);
2648 if (frame_padright < 0) {
2649 fprintf(stderr, "Incorrect right pad size\n");
2650 av_exit(1);
2651 }
2652 }
2653
2654 static void opt_frame_pix_fmt(const char *arg)
2655 {
2656 if (strcmp(arg, "list")) {
2657 frame_pix_fmt = av_get_pix_fmt(arg);
2658 if (frame_pix_fmt == PIX_FMT_NONE) {
2659 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2660 av_exit(1);
2661 }
2662 } else {
2663 show_pix_fmts();
2664 av_exit(0);
2665 }
2666 }
2667
2668 static void opt_frame_aspect_ratio(const char *arg)
2669 {
2670 int x = 0, y = 0;
2671 double ar = 0;
2672 const char *p;
2673 char *end;
2674
2675 p = strchr(arg, ':');
2676 if (p) {
2677 x = strtol(arg, &end, 10);
2678 if (end == p)
2679 y = strtol(end+1, &end, 10);
2680 if (x > 0 && y > 0)
2681 ar = (double)x / (double)y;
2682 } else
2683 ar = strtod(arg, NULL);
2684
2685 if (!ar) {
2686 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2687 av_exit(1);
2688 }
2689 frame_aspect_ratio = ar;
2690 }
2691
2692 static int opt_metadata(const char *opt, const char *arg)
2693 {
2694 char *mid= strchr(arg, '=');
2695
2696 if(!mid){
2697 fprintf(stderr, "Missing =\n");
2698 av_exit(1);
2699 }
2700 *mid++= 0;
2701
2702 metadata_count++;
2703 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2704 metadata[metadata_count-1].key = av_strdup(arg);
2705 metadata[metadata_count-1].value= av_strdup(mid);
2706
2707 return 0;
2708 }
2709
2710 static void opt_qscale(const char *arg)
2711 {
2712 video_qscale = atof(arg);
2713 if (video_qscale <= 0 ||
2714 video_qscale > 255) {
2715 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2716 av_exit(1);
2717 }
2718 }
2719
2720 static void opt_top_field_first(const char *arg)
2721 {
2722 top_field_first= atoi(arg);
2723 }
2724
2725 static int opt_thread_count(const char *opt, const char *arg)
2726 {
2727 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2728 #if !HAVE_THREADS
2729 if (verbose >= 0)
2730 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2731 #endif
2732 return 0;
2733 }
2734
2735 static void opt_audio_sample_fmt(const char *arg)
2736 {
2737 if (strcmp(arg, "list"))
2738 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2739 else {
2740 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2741 av_exit(0);
2742 }
2743 }
2744
2745 static int opt_audio_rate(const char *opt, const char *arg)
2746 {
2747 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2748 return 0;
2749 }
2750
2751 static int opt_audio_channels(const char *opt, const char *arg)
2752 {
2753 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2754 return 0;
2755 }
2756
2757 static void opt_video_channel(const char *arg)
2758 {
2759 video_channel = strtol(arg, NULL, 0);
2760 }
2761
2762 static void opt_video_standard(const char *arg)
2763 {
2764 video_standard = av_strdup(arg);
2765 }
2766
2767 static void opt_codec(int *pstream_copy, char **pcodec_name,
2768 int codec_type, const char *arg)
2769 {
2770 av_freep(pcodec_name);
2771 if (!strcmp(arg, "copy")) {
2772 *pstream_copy = 1;
2773 } else {
2774 *pcodec_name = av_strdup(arg);
2775 }
2776 }
2777
2778 static void opt_audio_codec(const char *arg)
2779 {
2780 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2781 }
2782
2783 static void opt_audio_tag(const char *arg)
2784 {
2785 char *tail;
2786 audio_codec_tag= strtol(arg, &tail, 0);
2787
2788 if(!tail || *tail)
2789 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2790 }
2791
2792 static void opt_video_tag(const char *arg)
2793 {
2794 char *tail;
2795 video_codec_tag= strtol(arg, &tail, 0);
2796
2797 if(!tail || *tail)
2798 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2799 }
2800
2801 static void opt_video_codec(const char *arg)
2802 {
2803 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2804 }
2805
2806 static void opt_subtitle_codec(const char *arg)
2807 {
2808 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2809 }
2810
2811 static void opt_subtitle_tag(const char *arg)
2812 {
2813 char *tail;
2814 subtitle_codec_tag= strtol(arg, &tail, 0);
2815
2816 if(!tail || *tail)
2817 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2818 }
2819
2820 static void opt_map(const char *arg)
2821 {
2822 AVStreamMap *m;
2823 char *p;
2824
2825 m = &stream_maps[nb_stream_maps++];
2826
2827 m->file_index = strtol(arg, &p, 0);
2828 if (*p)
2829 p++;
2830
2831 m->stream_index = strtol(p, &p, 0);
2832 if (*p) {
2833 p++;
2834 m->sync_file_index = strtol(p, &p, 0);
2835 if (*p)
2836 p++;
2837 m->sync_stream_index = strtol(p, &p, 0);
2838 } else {
2839 m->sync_file_index = m->file_index;
2840 m->sync_stream_index = m->stream_index;
2841 }
2842 }
2843
2844 static void opt_map_meta_data(const char *arg)
2845 {
2846 AVMetaDataMap *m;
2847 char *p;
2848
2849 m = &meta_data_maps[nb_meta_data_maps++];
2850
2851 m->out_file = strtol(arg, &p, 0);
2852 if (*p)
2853 p++;
2854
2855 m->in_file = strtol(p, &p, 0);
2856 }
2857
2858 static void opt_input_ts_scale(const char *arg)
2859 {
2860 unsigned int stream;
2861 double scale;
2862 char *p;
2863
2864 stream = strtol(arg, &p, 0);
2865 if (*p)
2866 p++;
2867 scale= strtod(p, &p);
2868
2869 if(stream >= MAX_STREAMS)
2870 av_exit(1);
2871
2872 input_files_ts_scale[nb_input_files][stream]= scale;
2873 }
2874
2875 static int opt_recording_time(const char *opt, const char *arg)
2876 {
2877 recording_time = parse_time_or_die(opt, arg, 1);
2878 return 0;
2879 }
2880
2881 static int opt_start_time(const char *opt, const char *arg)
2882 {
2883 start_time = parse_time_or_die(opt, arg, 1);
2884 return 0;
2885 }
2886
2887 static int opt_rec_timestamp(const char *opt, const char *arg)
2888 {
2889 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2890 return 0;
2891 }
2892
2893 static int opt_input_ts_offset(const char *opt, const char *arg)
2894 {
2895 input_ts_offset = parse_time_or_die(opt, arg, 1);
2896 return 0;
2897 }
2898
2899 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2900 {
2901 const char *codec_string = encoder ? "encoder" : "decoder";
2902 AVCodec *codec;
2903
2904 if(!name)
2905 return CODEC_ID_NONE;
2906 codec = encoder ?
2907 avcodec_find_encoder_by_name(name) :
2908 avcodec_find_decoder_by_name(name);
2909 if(!codec) {
2910 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2911 av_exit(1);
2912 }
2913 if(codec->type != type) {
2914 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2915 av_exit(1);
2916 }
2917 return codec->id;
2918 }
2919
2920 static void opt_input_file(const char *filename)
2921 {
2922 AVFormatContext *ic;
2923 AVFormatParameters params, *ap = &params;
2924 AVInputFormat *file_iformat = NULL;
2925 int err, i, ret, rfps, rfps_base;
2926 int64_t timestamp;
2927
2928 if (last_asked_format) {
2929 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2930 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2931 av_exit(1);
2932 }
2933 last_asked_format = NULL;
2934 }
2935
2936 if (!strcmp(filename, "-"))
2937 filename = "pipe:";
2938
2939 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2940 !strcmp(filename, "/dev/stdin");
2941
2942 /* get default parameters from command line */
2943 ic = avformat_alloc_context();
2944 if (!ic) {
2945 print_error(filename, AVERROR(ENOMEM));
2946 av_exit(1);
2947 }
2948
2949 memset(ap, 0, sizeof(*ap));
2950 ap->prealloced_context = 1;
2951 ap->sample_rate = audio_sample_rate;
2952 ap->channels = audio_channels;
2953 ap->time_base.den = frame_rate.num;
2954 ap->time_base.num = frame_rate.den;
2955 ap->width = frame_width + frame_padleft + frame_padright;
2956 ap->height = frame_height + frame_padtop + frame_padbottom;
2957 ap->pix_fmt = frame_pix_fmt;
2958 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2959 ap->channel = video_channel;
2960 ap->standard = video_standard;
2961
2962 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2963
2964 ic->video_codec_id = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
2965 ic->audio_codec_id = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
2966 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
2967 ic->flags |= AVFMT_FLAG_NONBLOCK;
2968
2969 if(pgmyuv_compatibility_hack)
2970 ic->video_codec_id= CODEC_ID_PGMYUV;
2971
2972 /* open the input file with generic libav function */
2973 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2974 if (err < 0) {
2975 print_error(filename, err);
2976 av_exit(1);
2977 }
2978 if(opt_programid) {
2979 int i, j;
2980 int found=0;
2981 for(i=0; i<ic->nb_streams; i++){
2982 ic->streams[i]->discard= AVDISCARD_ALL;
2983 }
2984 for(i=0; i<ic->nb_programs; i++){
2985 AVProgram *p= ic->programs[i];
2986 if(p->id != opt_programid){
2987 p->discard = AVDISCARD_ALL;
2988 }else{
2989 found=1;
2990 for(j=0; j<p->nb_stream_indexes; j++){
2991 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2992 }
2993 }
2994 }
2995 if(!found){
2996 fprintf(stderr, "Specified program id not found\n");
2997 av_exit(1);
2998 }
2999 opt_programid=0;
3000 }
3001
3002 ic->loop_input = loop_input;
3003
3004 /* If not enough info to get the stream parameters, we decode the
3005 first frames to get it. (used in mpeg case for example) */
3006 ret = av_find_stream_info(ic);
3007 if (ret < 0 && verbose >= 0) {
3008 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3009 av_exit(1);
3010 }
3011
3012 timestamp = start_time;
3013 /* add the stream start time */
3014 if (ic->start_time != AV_NOPTS_VALUE)
3015 timestamp += ic->start_time;
3016
3017 /* if seeking requested, we execute it */
3018 if (start_time != 0) {
3019 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3020 if (ret < 0) {
3021 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3022 filename, (double)timestamp / AV_TIME_BASE);
3023 }
3024 /* reset seek info */
3025 start_time = 0;
3026 }
3027
3028 /* update the current parameters so that they match the one of the input stream */
3029 for(i=0;i<ic->nb_streams;i++) {
3030 AVStream *st = ic->streams[i];
3031 AVCodecContext *enc = st->codec;
3032 avcodec_thread_init(enc, thread_count);
3033 switch(enc->codec_type) {
3034 case AVMEDIA_TYPE_AUDIO:
3035 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3036 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3037 channel_layout = enc->channel_layout;
3038 audio_channels = enc->channels;
3039 audio_sample_rate = enc->sample_rate;
3040 audio_sample_fmt = enc->sample_fmt;
3041 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3042 if(audio_disable)
3043 st->discard= AVDISCARD_ALL;
3044 break;
3045 case AVMEDIA_TYPE_VIDEO:
3046 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3047 frame_height = enc->height;
3048 frame_width = enc->width;
3049 if(ic->streams[i]->sample_aspect_ratio.num)
3050 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3051 else
3052 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3053 frame_aspect_ratio *= (float) enc->width / enc->height;
3054 frame_pix_fmt = enc->pix_fmt;
3055 rfps = ic->streams[i]->r_frame_rate.num;
3056 rfps_base = ic->streams[i]->r_frame_rate.den;
3057 if(enc->lowres) {
3058 enc->flags |= CODEC_FLAG_EMU_EDGE;
3059 frame_height >>= enc->lowres;
3060 frame_width >>= enc->lowres;
3061 }
3062 if(me_threshold)
3063 enc->debug |= FF_DEBUG_MV;
3064
3065 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3066
3067 if (verbose >= 0)
3068 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3069 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3070
3071 (float)rfps / rfps_base, rfps, rfps_base);
3072 }
3073 /* update the current frame rate to match the stream frame rate */
3074 frame_rate.num = rfps;
3075 frame_rate.den = rfps_base;
3076
3077 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3078 if(video_disable)
3079 st->discard= AVDISCARD_ALL;
3080 else if(video_discard)
3081 st->discard= video_discard;
3082 break;
3083 case AVMEDIA_TYPE_DATA:
3084 break;
3085 case AVMEDIA_TYPE_SUBTITLE:
3086 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3087 if(subtitle_disable)
3088 st->discard = AVDISCARD_ALL;
3089 break;
3090 case AVMEDIA_TYPE_ATTACHMENT:
3091 case AVMEDIA_TYPE_UNKNOWN:
3092 nb_icodecs++;
3093 break;
3094 default:
3095 abort();
3096 }
3097 }
3098
3099 input_files[nb_input_files] = ic;
3100 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3101 /* dump the file content */
3102 if (verbose >= 0)
3103 dump_format(ic, nb_input_files, filename, 0);
3104
3105 nb_input_files++;
3106
3107 video_channel = 0;
3108
3109 av_freep(&video_codec_name);
3110 av_freep(&audio_codec_name);
3111 av_freep(&subtitle_codec_name);
3112 }
3113
3114 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3115 int *has_subtitle_ptr)
3116 {
3117 int has_video, has_audio, has_subtitle, i, j;
3118 AVFormatContext *ic;
3119
3120 has_video = 0;
3121 has_audio = 0;
3122 has_subtitle = 0;
3123 for(j=0;j<nb_input_files;j++) {
3124 ic = input_files[j];
3125 for(i=0;i<ic->nb_streams;i++) {
3126 AVCodecContext *enc = ic->streams[i]->codec;
3127 switch(enc->codec_type) {
3128 case AVMEDIA_TYPE_AUDIO:
3129 has_audio = 1;
3130 break;
3131 case AVMEDIA_TYPE_VIDEO:
3132 has_video = 1;
3133 break;
3134 case AVMEDIA_TYPE_SUBTITLE:
3135 has_subtitle = 1;
3136 break;
3137 case AVMEDIA_TYPE_DATA:
3138 case AVMEDIA_TYPE_ATTACHMENT:
3139 case AVMEDIA_TYPE_UNKNOWN:
3140 break;
3141 default:
3142 abort();
3143 }
3144 }
3145 }
3146 *has_video_ptr = has_video;
3147 *has_audio_ptr = has_audio;
3148 *has_subtitle_ptr = has_subtitle;
3149 }
3150
3151 static void new_video_stream(AVFormatContext *oc)
3152 {
3153 AVStream *st;
3154 AVCodecContext *video_enc;
3155 enum CodecID codec_id;
3156
3157 st = av_new_stream(oc, oc->nb_streams);
3158 if (!st) {
3159 fprintf(stderr, "Could not alloc stream\n");
3160 av_exit(1);
3161 }
3162 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3163 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3164 video_bitstream_filters= NULL;
3165
3166 avcodec_thread_init(st->codec, thread_count);
3167
3168 video_enc = st->codec;
3169
3170 if(video_codec_tag)
3171 video_enc->codec_tag= video_codec_tag;
3172
3173 if( (video_global_header&1)
3174 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3175 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3176 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3177 }
3178 if(video_global_header&2){
3179 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3180 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3181 }
3182
3183 if (video_stream_copy) {
3184 st->stream_copy = 1;
3185 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3186 video_enc->sample_aspect_ratio =
3187 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3188 } else {
3189 const char *p;
3190 int i;
3191 AVCodec *codec;
3192 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3193
3194 if (video_codec_name) {
3195 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3196 codec = avcodec_find_encoder_by_name(video_codec_name);
3197 output_codecs[nb_ocodecs] = codec;
3198 } else {
3199 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3200 codec = avcodec_find_encoder(codec_id);
3201 }
3202
3203 video_enc->codec_id = codec_id;
3204
3205 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3206
3207 if (codec && codec->supported_framerates && !force_fps)
3208 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3209 video_enc->time_base.den = fps.num;
3210 video_enc->time_base.num = fps.den;
3211
3212 video_enc->width = frame_width + frame_padright + frame_padleft;
3213 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3214 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3215 video_enc->pix_fmt = frame_pix_fmt;
3216 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3217
3218 choose_pixel_fmt(st, codec);
3219
3220 if (intra_only)
3221 video_enc->gop_size = 0;
3222 if (video_qscale || same_quality) {
3223 video_enc->flags |= CODEC_FLAG_QSCALE;
3224 video_enc->global_quality=
3225 st->quality = FF_QP2LAMBDA * video_qscale;
3226 }
3227
3228 if(intra_matrix)
3229 video_enc->intra_matrix = intra_matrix;
3230 if(inter_matrix)
3231 video_enc->inter_matrix = inter_matrix;
3232
3233 p= video_rc_override_string;
3234 for(i=0; p; i++){
3235 int start, end, q;
3236 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3237 if(e!=3){
3238 fprintf(stderr, "error parsing rc_override\n");
3239 av_exit(1);
3240 }
3241 video_enc->rc_override=
3242 av_realloc(video_enc->rc_override,
3243 sizeof(RcOverride)*(i+1));
3244 video_enc->rc_override[i].start_frame= start;
3245 video_enc->rc_override[i].end_frame = end;
3246 if(q>0){
3247 video_enc->rc_override[i].qscale= q;
3248 video_enc->rc_override[i].quality_factor= 1.0;
3249 }
3250 else{
3251 video_enc->rc_override[i].qscale= 0;
3252 video_enc->rc_override[i].quality_factor= -q/100.0;
3253 }
3254 p= strchr(p, '/');
3255 if(p) p++;
3256 }
3257 video_enc->rc_override_count=i;
3258 if (!video_enc->rc_initial_buffer_occupancy)
3259 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3260 video_enc->me_threshold= me_threshold;
3261 video_enc->intra_dc_precision= intra_dc_precision - 8;
3262
3263 if (do_psnr)
3264 video_enc->flags|= CODEC_FLAG_PSNR;
3265
3266 /* two pass mode */
3267 if (do_pass) {
3268 if (do_pass == 1) {
3269 video_enc->flags |= CODEC_FLAG_PASS1;
3270 } else {
3271 video_enc->flags |= CODEC_FLAG_PASS2;
3272 }
3273 }
3274 }
3275 nb_ocodecs++;
3276 if (video_language) {
3277 av_metadata_set(&st->metadata, "language", video_language);
3278 av_freep(&video_language);
3279 }
3280
3281 /* reset some key parameters */
3282 video_disable = 0;
3283 av_freep(&video_codec_name);
3284 video_stream_copy = 0;
3285 frame_pix_fmt = PIX_FMT_NONE;
3286 }
3287
3288 static void new_audio_stream(AVFormatContext *oc)
3289 {
3290 AVStream *st;
3291 AVCodecContext *audio_enc;
3292 enum CodecID codec_id;
3293
3294 st = av_new_stream(oc, oc->nb_streams);
3295 if (!st) {
3296 fprintf(stderr, "Could not alloc stream\n");
3297 av_exit(1);
3298 }
3299 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3300
3301 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3302 audio_bitstream_filters= NULL;
3303
3304 avcodec_thread_init(st->codec, thread_count);
3305
3306 audio_enc = st->codec;
3307 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3308
3309 if(audio_codec_tag)
3310 audio_enc->codec_tag= audio_codec_tag;
3311
3312 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3313 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3314 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3315 }
3316 if (audio_stream_copy) {
3317 st->stream_copy = 1;
3318 audio_enc->channels = audio_channels;
3319 } else {
3320 AVCodec *codec;
3321
3322 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3323
3324 if (audio_codec_name) {
3325 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3326 codec = avcodec_find_encoder_by_name(audio_codec_name);
3327 output_codecs[nb_ocodecs] = codec;
3328 } else {
3329 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3330 codec = avcodec_find_encoder(codec_id);
3331 }
3332 audio_enc->codec_id = codec_id;
3333
3334 if (audio_qscale > QSCALE_NONE) {
3335 audio_enc->flags |= CODEC_FLAG_QSCALE;
3336 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3337 }
3338 audio_enc->channels = audio_channels;
3339 audio_enc->sample_fmt = audio_sample_fmt;
3340 audio_enc->channel_layout = channel_layout;
3341 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3342 audio_enc->channel_layout = 0;
3343 choose_sample_fmt(st, codec);
3344 }
3345 nb_ocodecs++;
3346 audio_enc->sample_rate = audio_sample_rate;
3347 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3348 if (audio_language) {
3349 av_metadata_set(&st->metadata, "language", audio_language);
3350 av_freep(&audio_language);
3351 }
3352
3353 /* reset some key parameters */
3354 audio_disable = 0;
3355 av_freep(&audio_codec_name);
3356 audio_stream_copy = 0;
3357 }
3358
3359 static void new_subtitle_stream(AVFormatContext *oc)
3360 {
3361 AVStream *st;
3362 AVCodecContext *subtitle_enc;
3363
3364 st = av_new_stream(oc, oc->nb_streams);
3365 if (!st) {
3366 fprintf(stderr, "Could not alloc stream\n");
3367 av_exit(1);
3368 }
3369 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3370
3371 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3372 subtitle_bitstream_filters= NULL;
3373
3374 subtitle_enc = st->codec;
3375 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3376
3377 if(subtitle_codec_tag)
3378 subtitle_enc->codec_tag= subtitle_codec_tag;
3379
3380 if (subtitle_stream_copy) {
3381 st->stream_copy = 1;
3382 } else {
3383 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3384 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3385 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3386 }
3387 nb_ocodecs++;
3388
3389 if (subtitle_language) {
3390 av_metadata_set(&st->metadata, "language", subtitle_language);
3391 av_freep(&subtitle_language);
3392 }
3393
3394 subtitle_disable = 0;
3395 av_freep(&subtitle_codec_name);
3396 subtitle_stream_copy = 0;
3397 }
3398
3399 static void opt_new_audio_stream(void)
3400 {
3401 AVFormatContext *oc;
3402 if (nb_output_files <= 0) {
3403 fprintf(stderr, "At least one output file must be specified\n");
3404 av_exit(1);
3405 }
3406 oc = output_files[nb_output_files - 1];
3407 new_audio_stream(oc);
3408 }
3409
3410 static void opt_new_video_stream(void)
3411 {
3412 AVFormatContext *oc;
3413 if (nb_output_files <= 0) {
3414 fprintf(stderr, "At least one output file must be specified\n");
3415 av_exit(1);
3416 }
3417 oc = output_files[nb_output_files - 1];
3418 new_video_stream(oc);
3419 }
3420
3421 static void opt_new_subtitle_stream(void)
3422 {
3423 AVFormatContext *oc;
3424 if (nb_output_files <= 0) {
3425 fprintf(stderr, "At least one output file must be specified\n");
3426 av_exit(1);
3427 }
3428 oc = output_files[nb_output_files - 1];
3429 new_subtitle_stream(oc);
3430 }
3431
3432 static void opt_output_file(const char *filename)
3433 {
3434 AVFormatContext *oc;
3435 int use_video, use_audio, use_subtitle;
3436 int input_has_video, input_has_audio, input_has_subtitle;
3437 AVFormatParameters params, *ap = &params;
3438 AVOutputFormat *file_oformat;
3439
3440 if (!strcmp(filename, "-"))
3441 filename = "pipe:";
3442
3443 oc = avformat_alloc_context();
3444 if (!oc) {
3445 print_error(filename, AVERROR(ENOMEM));
3446 av_exit(1);
3447 }
3448
3449 if (last_asked_format) {
3450 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3451 if (!file_oformat) {
3452 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3453 av_exit(1);
3454 }
3455 last_asked_format = NULL;
3456 } else {
3457 file_oformat = av_guess_format(NULL, filename, NULL);
3458 if (!file_oformat) {
3459 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3460 filename);
3461 av_exit(1);
3462 }
3463 }
3464
3465 oc->oformat = file_oformat;
3466 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3467
3468 if (!strcmp(file_oformat->name, "ffm") &&
3469 av_strstart(filename, "http:", NULL)) {
3470 /* special case for files sent to ffserver: we get the stream
3471 parameters from ffserver */
3472 int err = read_ffserver_streams(oc, filename);
3473 if (err < 0) {
3474 print_error(filename, err);
3475 av_exit(1);
3476 }
3477 } else {
3478 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3479 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3480 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3481
3482 /* disable if no corresponding type found and at least one
3483 input file */
3484 if (nb_input_files > 0) {
3485 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3486 &input_has_subtitle);
3487 if (!input_has_video)
3488 use_video = 0;
3489 if (!input_has_audio)
3490 use_audio = 0;
3491 if (!input_has_subtitle)
3492 use_subtitle = 0;
3493 }
3494
3495 /* manual disable */
3496 if (audio_disable) {
3497 use_audio = 0;
3498 }
3499 if (video_disable) {
3500 use_video = 0;
3501 }
3502 if (subtitle_disable) {
3503 use_subtitle = 0;
3504 }
3505
3506 if (use_video) {
3507 new_video_stream(oc);
3508 }
3509
3510 if (use_audio) {
3511 new_audio_stream(oc);
3512 }
3513
3514 if (use_subtitle) {
3515 new_subtitle_stream(oc);
3516 }
3517
3518 oc->timestamp = rec_timestamp;
3519
3520 for(; metadata_count>0; metadata_count--){
3521 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3522 metadata[metadata_count-1].value);
3523 }
3524 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3525 }
3526
3527 output_files[nb_output_files++] = oc;
3528
3529 /* check filename in case of an image number is expected */
3530 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3531 if (!av_filename_number_test(oc->filename)) {
3532 print_error(oc->filename, AVERROR_NUMEXPECTED);
3533 av_exit(1);
3534 }
3535 }
3536
3537 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3538 /* test if it already exists to avoid loosing precious files */
3539 if (!file_overwrite &&
3540 (strchr(filename, ':') == NULL ||
3541 filename[1] == ':' ||
3542 av_strstart(filename, "file:", NULL))) {
3543 if (url_exist(filename)) {
3544 if (!using_stdin) {
3545 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3546 fflush(stderr);
3547 if (!read_yesno()) {
3548 fprintf(stderr, "Not overwriting - exiting\n");
3549 av_exit(1);
3550 }
3551 }
3552 else {
3553 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3554 av_exit(1);
3555 }
3556 }
3557 }
3558
3559 /* open the file */
3560 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3561 fprintf(stderr, "Could not open '%s'\n", filename);
3562 av_exit(1);
3563 }
3564 }
3565
3566 memset(ap, 0, sizeof(*ap));
3567 if (av_set_parameters(oc, ap) < 0) {
3568 fprintf(stderr, "%s: Invalid encoding parameters\n",
3569 oc->filename);
3570 av_exit(1);
3571 }
3572
3573 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3574 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3575 oc->loop_output = loop_output;
3576 oc->flags |= AVFMT_FLAG_NONBLOCK;
3577
3578 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3579 }
3580
3581 /* same option as mencoder */
3582 static void opt_pass(const char *pass_str)
3583 {
3584 int pass;
3585 pass = atoi(pass_str);
3586 if (pass != 1 && pass != 2) {
3587 fprintf(stderr, "pass number can be only 1 or 2\n");
3588 av_exit(1);
3589 }
3590 do_pass = pass;
3591 }
3592
3593 static int64_t getutime(void)
3594 {
3595 #if HAVE_GETRUSAGE
3596 struct rusage rusage;
3597
3598 getrusage(RUSAGE_SELF, &rusage);
3599 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3600 #elif HAVE_GETPROCESSTIMES
3601 HANDLE proc;
3602 FILETIME c, e, k, u;
3603 proc = GetCurrentProcess();
3604 GetProcessTimes(proc, &c, &e, &k, &u);
3605 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3606 #else
3607 return av_gettime();
3608 #endif
3609 }
3610
3611 static int64_t getmaxrss(void)
3612 {
3613 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3614 struct rusage rusage;
3615 getrusage(RUSAGE_SELF, &rusage);
3616 return (int64_t)rusage.ru_maxrss * 1024;
3617 #elif HAVE_GETPROCESSMEMORYINFO
3618 HANDLE proc;
3619 PROCESS_MEMORY_COUNTERS memcounters;
3620 proc = GetCurrentProcess();
3621 memcounters.cb = sizeof(memcounters);
3622 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3623 return memcounters.PeakPagefileUsage;
3624 #else
3625 return 0;
3626 #endif
3627 }
3628
3629 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3630 {
3631 int i;
3632 const char *p = str;
3633 for(i = 0;; i++) {
3634 dest[i] = atoi(p);
3635 if(i == 63)
3636 break;
3637 p = strchr(p, ',');
3638 if(!p) {
3639 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3640 av_exit(1);
3641 }
3642 p++;
3643 }
3644 }
3645
3646 static void opt_inter_matrix(const char *arg)
3647 {
3648 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3649 parse_matrix_coeffs(inter_matrix, arg);
3650 }
3651
3652 static void opt_intra_matrix(const char *arg)
3653 {
3654 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3655 parse_matrix_coeffs(intra_matrix, arg);
3656 }
3657
3658 /**
3659 * Trivial log callback.
3660 * Only suitable for show_help and similar since it lacks prefix handling.
3661 */
3662 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3663 {
3664 vfprintf(stdout, fmt, vl);
3665 }
3666
3667 static void show_usage(void)
3668 {
3669 printf("Hyper fast Audio and Video encoder\n");
3670 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3671 printf("\n");
3672 }
3673
3674 static void show_help(void)
3675 {
3676 av_log_set_callback(log_callback_help);
3677 show_usage();
3678 show_help_options(options, "Main options:\n",
3679 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3680 show_help_options(options, "\nAdvanced options:\n",
3681 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3682 OPT_EXPERT);
3683 show_help_options(options, "\nVideo options:\n",
3684 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3685 OPT_VIDEO);
3686 show_help_options(options, "\nAdvanced Video options:\n",
3687 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3688 OPT_VIDEO | OPT_EXPERT);
3689 show_help_options(options, "\nAudio options:\n",
3690 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3691 OPT_AUDIO);
3692 show_help_options(options, "\nAdvanced Audio options:\n",
3693 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3694 OPT_AUDIO | OPT_EXPERT);
3695 show_help_options(options, "\nSubtitle options:\n",
3696 OPT_SUBTITLE | OPT_GRAB,
3697 OPT_SUBTITLE);
3698 show_help_options(options, "\nAudio/Video grab options:\n",
3699 OPT_GRAB,
3700 OPT_GRAB);
3701 printf("\n");
3702 av_opt_show(avcodec_opts[0], NULL);
3703 printf("\n");
3704 av_opt_show(avformat_opts, NULL);
3705 printf("\n");
3706 av_opt_show(sws_opts, NULL);
3707 }
3708
3709 static void <