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Make av_strerror() return -1 even in the case when av_strerror_r() is
[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_sample_rate(AVStream *st, AVCodec *codec)
489 {
490 if(codec && codec->supported_samplerates){
491 const int *p= codec->supported_samplerates;
492 int best;
493 int best_dist=INT_MAX;
494 for(; *p; p++){
495 int dist= abs(st->codec->sample_rate - *p);
496 if(dist < best_dist){
497 best_dist= dist;
498 best= *p;
499 }
500 }
501 if(best_dist){
502 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
503 }
504 st->codec->sample_rate= best;
505 }
506 }
507
508 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
509 {
510 if(codec && codec->pix_fmts){
511 const enum PixelFormat *p= codec->pix_fmts;
512 for(; *p!=-1; p++){
513 if(*p == st->codec->pix_fmt)
514 break;
515 }
516 if(*p == -1
517 && !( st->codec->codec_id==CODEC_ID_MJPEG
518 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
519 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
520 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
521 st->codec->pix_fmt = codec->pix_fmts[0];
522 }
523 }
524
525 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
526 {
527 int i, err;
528 AVFormatContext *ic;
529 int nopts = 0;
530
531 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
532 if (err < 0)
533 return err;
534 /* copy stream format */
535 s->nb_streams = ic->nb_streams;
536 for(i=0;i<ic->nb_streams;i++) {
537 AVStream *st;
538 AVCodec *codec;
539
540 // FIXME: a more elegant solution is needed
541 st = av_mallocz(sizeof(AVStream));
542 memcpy(st, ic->streams[i], sizeof(AVStream));
543 st->codec = avcodec_alloc_context();
544 if (!st->codec) {
545 print_error(filename, AVERROR(ENOMEM));
546 av_exit(1);
547 }
548 avcodec_copy_context(st->codec, ic->streams[i]->codec);
549 s->streams[i] = st;
550
551 codec = avcodec_find_encoder(st->codec->codec_id);
552 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
553 if (audio_stream_copy) {
554 st->stream_copy = 1;
555 } else
556 choose_sample_fmt(st, codec);
557 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
558 if (video_stream_copy) {
559 st->stream_copy = 1;
560 } else
561 choose_pixel_fmt(st, codec);
562 }
563
564 if(!st->codec->thread_count)
565 st->codec->thread_count = 1;
566 if(st->codec->thread_count>1)
567 avcodec_thread_init(st->codec, st->codec->thread_count);
568
569 if(st->codec->flags & CODEC_FLAG_BITEXACT)
570 nopts = 1;
571 }
572
573 if (!nopts)
574 s->timestamp = av_gettime();
575
576 av_close_input_file(ic);
577 return 0;
578 }
579
580 static double
581 get_sync_ipts(const AVOutputStream *ost)
582 {
583 const AVInputStream *ist = ost->sync_ist;
584 return (double)(ist->pts - start_time)/AV_TIME_BASE;
585 }
586
587 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
588 int ret;
589
590 while(bsfc){
591 AVPacket new_pkt= *pkt;
592 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
593 &new_pkt.data, &new_pkt.size,
594 pkt->data, pkt->size,
595 pkt->flags & AV_PKT_FLAG_KEY);
596 if(a>0){
597 av_free_packet(pkt);
598 new_pkt.destruct= av_destruct_packet;
599 } else if(a<0){
600 fprintf(stderr, "%s failed for stream %d, codec %s",
601 bsfc->filter->name, pkt->stream_index,
602 avctx->codec ? avctx->codec->name : "copy");
603 print_error("", a);
604 if (exit_on_error)
605 av_exit(1);
606 }
607 *pkt= new_pkt;
608
609 bsfc= bsfc->next;
610 }
611
612 ret= av_interleaved_write_frame(s, pkt);
613 if(ret < 0){
614 print_error("av_interleaved_write_frame()", ret);
615 av_exit(1);
616 }
617 }
618
619 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
620
621 static void do_audio_out(AVFormatContext *s,
622 AVOutputStream *ost,
623 AVInputStream *ist,
624 unsigned char *buf, int size)
625 {
626 uint8_t *buftmp;
627 int64_t audio_out_size, audio_buf_size;
628 int64_t allocated_for_size= size;
629
630 int size_out, frame_bytes, ret;
631 AVCodecContext *enc= ost->st->codec;
632 AVCodecContext *dec= ist->st->codec;
633 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
634 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
635 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
636
637 need_realloc:
638 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
639 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
640 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
641 audio_buf_size*= osize*enc->channels;
642
643 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
644 if(coded_bps > 8*osize)
645 audio_out_size= audio_out_size * coded_bps / (8*osize);
646 audio_out_size += FF_MIN_BUFFER_SIZE;
647
648 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
649 fprintf(stderr, "Buffer sizes too large\n");
650 av_exit(1);
651 }
652
653 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
654 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
655 if (!audio_buf || !audio_out){
656 fprintf(stderr, "Out of memory in do_audio_out\n");
657 av_exit(1);
658 }
659
660 if (enc->channels != dec->channels)
661 ost->audio_resample = 1;
662
663 if (ost->audio_resample && !ost->resample) {
664 if (dec->sample_fmt != SAMPLE_FMT_S16)
665 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
666 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
667 enc->sample_rate, dec->sample_rate,
668 enc->sample_fmt, dec->sample_fmt,
669 16, 10, 0, 0.8);
670 if (!ost->resample) {
671 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
672 dec->channels, dec->sample_rate,
673 enc->channels, enc->sample_rate);
674 av_exit(1);
675 }
676 }
677
678 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
679 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
680 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
681 if (ost->reformat_ctx)
682 av_audio_convert_free(ost->reformat_ctx);
683 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
684 dec->sample_fmt, 1, NULL, 0);
685 if (!ost->reformat_ctx) {
686 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
687 avcodec_get_sample_fmt_name(dec->sample_fmt),
688 avcodec_get_sample_fmt_name(enc->sample_fmt));
689 av_exit(1);
690 }
691 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
692 }
693
694 if(audio_sync_method){
695 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
696 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
697 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
698 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
699
700 //FIXME resample delay
701 if(fabs(delta) > 50){
702 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
703 if(byte_delta < 0){
704 byte_delta= FFMAX(byte_delta, -size);
705 size += byte_delta;
706 buf -= byte_delta;
707 if(verbose > 2)
708 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
709 if(!size)
710 return;
711 ist->is_start=0;
712 }else{
713 static uint8_t *input_tmp= NULL;
714 input_tmp= av_realloc(input_tmp, byte_delta + size);
715
716 if(byte_delta > allocated_for_size - size){
717 allocated_for_size= byte_delta + (int64_t)size;
718 goto need_realloc;
719 }
720 ist->is_start=0;
721
722 memset(input_tmp, 0, byte_delta);
723 memcpy(input_tmp + byte_delta, buf, size);
724 buf= input_tmp;
725 size += byte_delta;
726 if(verbose > 2)
727 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
728 }
729 }else if(audio_sync_method>1){
730 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
731 assert(ost->audio_resample);
732 if(verbose > 2)
733 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
734 // 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));
735 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
736 }
737 }
738 }else
739 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
740 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
741
742 if (ost->audio_resample) {
743 buftmp = audio_buf;
744 size_out = audio_resample(ost->resample,
745 (short *)buftmp, (short *)buf,
746 size / (ist->st->codec->channels * isize));
747 size_out = size_out * enc->channels * osize;
748 } else {
749 buftmp = buf;
750 size_out = size;
751 }
752
753 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
754 const void *ibuf[6]= {buftmp};
755 void *obuf[6]= {audio_buf};
756 int istride[6]= {isize};
757 int ostride[6]= {osize};
758 int len= size_out/istride[0];
759 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
760 printf("av_audio_convert() failed\n");
761 if (exit_on_error)
762 av_exit(1);
763 return;
764 }
765 buftmp = audio_buf;
766 size_out = len*osize;
767 }
768
769 /* now encode as many frames as possible */
770 if (enc->frame_size > 1) {
771 /* output resampled raw samples */
772 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
773 fprintf(stderr, "av_fifo_realloc2() failed\n");
774 av_exit(1);
775 }
776 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
777
778 frame_bytes = enc->frame_size * osize * enc->channels;
779
780 while (av_fifo_size(ost->fifo) >= frame_bytes) {
781 AVPacket pkt;
782 av_init_packet(&pkt);
783
784 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
785
786 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
787
788 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
789 (short *)audio_buf);
790 if (ret < 0) {
791 fprintf(stderr, "Audio encoding failed\n");
792 av_exit(1);
793 }
794 audio_size += ret;
795 pkt.stream_index= ost->index;
796 pkt.data= audio_out;
797 pkt.size= ret;
798 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
799 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
800 pkt.flags |= AV_PKT_FLAG_KEY;
801 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
802
803 ost->sync_opts += enc->frame_size;
804 }
805 } else {
806 AVPacket pkt;
807 av_init_packet(&pkt);
808
809 ost->sync_opts += size_out / (osize * enc->channels);
810
811 /* output a pcm frame */
812 /* determine the size of the coded buffer */
813 size_out /= osize;
814 if (coded_bps)
815 size_out = size_out*coded_bps/8;
816
817 if(size_out > audio_out_size){
818 fprintf(stderr, "Internal error, buffer size too small\n");
819 av_exit(1);
820 }
821
822 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
823 ret = avcodec_encode_audio(enc, audio_out, size_out,
824 (short *)buftmp);
825 if (ret < 0) {
826 fprintf(stderr, "Audio encoding failed\n");
827 av_exit(1);
828 }
829 audio_size += ret;
830 pkt.stream_index= ost->index;
831 pkt.data= audio_out;
832 pkt.size= ret;
833 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
834 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
835 pkt.flags |= AV_PKT_FLAG_KEY;
836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
837 }
838 }
839
840 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
841 {
842 AVCodecContext *dec;
843 AVPicture *picture2;
844 AVPicture picture_tmp;
845 uint8_t *buf = 0;
846
847 dec = ist->st->codec;
848
849 /* deinterlace : must be done before any resize */
850 if (do_deinterlace) {
851 int size;
852
853 /* create temporary picture */
854 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
855 buf = av_malloc(size);
856 if (!buf)
857 return;
858
859 picture2 = &picture_tmp;
860 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
861
862 if(avpicture_deinterlace(picture2, picture,
863 dec->pix_fmt, dec->width, dec->height) < 0) {
864 /* if error, do not deinterlace */
865 fprintf(stderr, "Deinterlacing failed\n");
866 av_free(buf);
867 buf = NULL;
868 picture2 = picture;
869 }
870 } else {
871 picture2 = picture;
872 }
873
874 if (picture != picture2)
875 *picture = *picture2;
876 *bufp = buf;
877 }
878
879 /* we begin to correct av delay at this threshold */
880 #define AV_DELAY_MAX 0.100
881
882 static void do_subtitle_out(AVFormatContext *s,
883 AVOutputStream *ost,
884 AVInputStream *ist,
885 AVSubtitle *sub,
886 int64_t pts)
887 {
888 static uint8_t *subtitle_out = NULL;
889 int subtitle_out_max_size = 1024 * 1024;
890 int subtitle_out_size, nb, i;
891 AVCodecContext *enc;
892 AVPacket pkt;
893
894 if (pts == AV_NOPTS_VALUE) {
895 fprintf(stderr, "Subtitle packets must have a pts\n");
896 if (exit_on_error)
897 av_exit(1);
898 return;
899 }
900
901 enc = ost->st->codec;
902
903 if (!subtitle_out) {
904 subtitle_out = av_malloc(subtitle_out_max_size);
905 }
906
907 /* Note: DVB subtitle need one packet to draw them and one other
908 packet to clear them */
909 /* XXX: signal it in the codec context ? */
910 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
911 nb = 2;
912 else
913 nb = 1;
914
915 for(i = 0; i < nb; i++) {
916 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
917 // start_display_time is required to be 0
918 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
919 sub->end_display_time -= sub->start_display_time;
920 sub->start_display_time = 0;
921 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
922 subtitle_out_max_size, sub);
923 if (subtitle_out_size < 0) {
924 fprintf(stderr, "Subtitle encoding failed\n");
925 av_exit(1);
926 }
927
928 av_init_packet(&pkt);
929 pkt.stream_index = ost->index;
930 pkt.data = subtitle_out;
931 pkt.size = subtitle_out_size;
932 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
933 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
934 /* XXX: the pts correction is handled here. Maybe handling
935 it in the codec would be better */
936 if (i == 0)
937 pkt.pts += 90 * sub->start_display_time;
938 else
939 pkt.pts += 90 * sub->end_display_time;
940 }
941 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
942 }
943 }
944
945 static int bit_buffer_size= 1024*256;
946 static uint8_t *bit_buffer= NULL;
947
948 static void do_video_out(AVFormatContext *s,
949 AVOutputStream *ost,
950 AVInputStream *ist,
951 AVFrame *in_picture,
952 int *frame_size)
953 {
954 int nb_frames, i, ret;
955 int64_t topBand, bottomBand, leftBand, rightBand;
956 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
957 AVFrame picture_crop_temp, picture_pad_temp;
958 AVCodecContext *enc, *dec;
959 double sync_ipts;
960
961 avcodec_get_frame_defaults(&picture_crop_temp);
962 avcodec_get_frame_defaults(&picture_pad_temp);
963
964 enc = ost->st->codec;
965 dec = ist->st->codec;
966
967 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
968
969 /* by default, we output a single frame */
970 nb_frames = 1;
971
972 *frame_size = 0;
973
974 if(video_sync_method){
975 double vdelta = sync_ipts - ost->sync_opts;
976 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
977 if (vdelta < -1.1)
978 nb_frames = 0;
979 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
980 if(vdelta<=-0.6){
981 nb_frames=0;
982 }else if(vdelta>0.6)
983 ost->sync_opts= lrintf(sync_ipts);
984 }else if (vdelta > 1.1)
985 nb_frames = lrintf(vdelta);
986 //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);
987 if (nb_frames == 0){
988 ++nb_frames_drop;
989 if (verbose>2)
990 fprintf(stderr, "*** drop!\n");
991 }else if (nb_frames > 1) {
992 nb_frames_dup += nb_frames - 1;
993 if (verbose>2)
994 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
995 }
996 }else
997 ost->sync_opts= lrintf(sync_ipts);
998
999 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1000 if (nb_frames <= 0)
1001 return;
1002
1003 if (ost->video_crop) {
1004 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1005 fprintf(stderr, "error cropping picture\n");
1006 if (exit_on_error)
1007 av_exit(1);
1008 return;
1009 }
1010 formatted_picture = &picture_crop_temp;
1011 } else {
1012 formatted_picture = in_picture;
1013 }
1014
1015 final_picture = formatted_picture;
1016 padding_src = formatted_picture;
1017 resampling_dst = &ost->pict_tmp;
1018 if (ost->video_pad) {
1019 final_picture = &ost->pict_tmp;
1020 if (ost->video_resample) {
1021 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
1022 fprintf(stderr, "error padding picture\n");
1023 if (exit_on_error)
1024 av_exit(1);
1025 return;
1026 }
1027 resampling_dst = &picture_pad_temp;
1028 }
1029 }
1030
1031 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1032 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1033 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1034
1035 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));
1036 if(!ost->video_resample)
1037 av_exit(1);
1038 }
1039
1040 if (ost->video_resample) {
1041 padding_src = NULL;
1042 final_picture = &ost->pict_tmp;
1043 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1044 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1045 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1046
1047 /* keep bands proportional to the frame size */
1048 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1049 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1050 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1051 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1052
1053 /* sanity check to ensure no bad band sizes sneak in */
1054 assert(topBand <= INT_MAX && topBand >= 0);
1055 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1056 assert(leftBand <= INT_MAX && leftBand >= 0);
1057 assert(rightBand <= INT_MAX && rightBand >= 0);
1058
1059 ost->topBand = topBand;
1060 ost->bottomBand = bottomBand;
1061 ost->leftBand = leftBand;
1062 ost->rightBand = rightBand;
1063
1064 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1065 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1066 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1067
1068 /* initialize a new scaler context */
1069 sws_freeContext(ost->img_resample_ctx);
1070 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1071 ost->img_resample_ctx = sws_getContext(
1072 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1073 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1074 ist->st->codec->pix_fmt,
1075 ost->st->codec->width - (ost->padleft + ost->padright),
1076 ost->st->codec->height - (ost->padtop + ost->padbottom),
1077 ost->st->codec->pix_fmt,
1078 sws_flags, NULL, NULL, NULL);
1079 if (ost->img_resample_ctx == NULL) {
1080 fprintf(stderr, "Cannot get resampling context\n");
1081 av_exit(1);
1082 }
1083 }
1084 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1085 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1086 }
1087
1088 if (ost->video_pad) {
1089 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1090 enc->height, enc->width, enc->pix_fmt,
1091 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1092 }
1093
1094 /* duplicates frame if needed */
1095 for(i=0;i<nb_frames;i++) {
1096 AVPacket pkt;
1097 av_init_packet(&pkt);
1098 pkt.stream_index= ost->index;
1099
1100 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1101 /* raw pictures are written as AVPicture structure to
1102 avoid any copies. We support temorarily the older
1103 method. */
1104 AVFrame* old_frame = enc->coded_frame;
1105 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1106 pkt.data= (uint8_t *)final_picture;
1107 pkt.size= sizeof(AVPicture);
1108 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1109 pkt.flags |= AV_PKT_FLAG_KEY;
1110
1111 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1112 enc->coded_frame = old_frame;
1113 } else {
1114 AVFrame big_picture;
1115
1116 big_picture= *final_picture;
1117 /* better than nothing: use input picture interlaced
1118 settings */
1119 big_picture.interlaced_frame = in_picture->interlaced_frame;
1120 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1121 if(top_field_first == -1)
1122 big_picture.top_field_first = in_picture->top_field_first;
1123 else
1124 big_picture.top_field_first = top_field_first;
1125 }
1126
1127 /* handles sameq here. This is not correct because it may
1128 not be a global option */
1129 if (same_quality) {
1130 big_picture.quality = ist->st->quality;
1131 }else
1132 big_picture.quality = ost->st->quality;
1133 if(!me_threshold)
1134 big_picture.pict_type = 0;
1135 // big_picture.pts = AV_NOPTS_VALUE;
1136 big_picture.pts= ost->sync_opts;
1137 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1138 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1139 ret = avcodec_encode_video(enc,
1140 bit_buffer, bit_buffer_size,
1141 &big_picture);
1142 if (ret < 0) {
1143 fprintf(stderr, "Video encoding failed\n");
1144 av_exit(1);
1145 }
1146
1147 if(ret>0){
1148 pkt.data= bit_buffer;
1149 pkt.size= ret;
1150 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1151 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1152 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1153 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1154 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1155
1156 if(enc->coded_frame->key_frame)
1157 pkt.flags |= AV_PKT_FLAG_KEY;
1158 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1159 *frame_size = ret;
1160 video_size += ret;
1161 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1162 // enc->frame_number-1, ret, enc->pict_type);
1163 /* if two pass, output log */
1164 if (ost->logfile && enc->stats_out) {
1165 fprintf(ost->logfile, "%s", enc->stats_out);
1166 }
1167 }
1168 }
1169 ost->sync_opts++;
1170 ost->frame_number++;
1171 }
1172 }
1173
1174 static double psnr(double d){
1175 return -10.0*log(d)/log(10.0);
1176 }
1177
1178 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1179 int frame_size)
1180 {
1181 AVCodecContext *enc;
1182 int frame_number;
1183 double ti1, bitrate, avg_bitrate;
1184
1185 /* this is executed just the first time do_video_stats is called */
1186 if (!vstats_file) {
1187 vstats_file = fopen(vstats_filename, "w");
1188 if (!vstats_file) {
1189 perror("fopen");
1190 av_exit(1);
1191 }
1192 }
1193
1194 enc = ost->st->codec;
1195 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1196 frame_number = ost->frame_number;
1197 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1198 if (enc->flags&CODEC_FLAG_PSNR)
1199 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1200
1201 fprintf(vstats_file,"f_size= %6d ", frame_size);
1202 /* compute pts value */
1203 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1204 if (ti1 < 0.01)
1205 ti1 = 0.01;
1206
1207 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1208 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1209 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1210 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1211 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1212 }
1213 }
1214
1215 static void print_report(AVFormatContext **output_files,
1216 AVOutputStream **ost_table, int nb_ostreams,
1217 int is_last_report)
1218 {
1219 char buf[1024];
1220 AVOutputStream *ost;
1221 AVFormatContext *oc;
1222 int64_t total_size;
1223 AVCodecContext *enc;
1224 int frame_number, vid, i;
1225 double bitrate, ti1, pts;
1226 static int64_t last_time = -1;
1227 static int qp_histogram[52];
1228
1229 if (!is_last_report) {
1230 int64_t cur_time;
1231 /* display the report every 0.5 seconds */
1232 cur_time = av_gettime();
1233 if (last_time == -1) {
1234 last_time = cur_time;
1235 return;
1236 }
1237 if ((cur_time - last_time) < 500000)
1238 return;
1239 last_time = cur_time;
1240 }
1241
1242
1243 oc = output_files[0];
1244
1245 total_size = url_fsize(oc->pb);
1246 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1247 total_size= url_ftell(oc->pb);
1248
1249 buf[0] = '\0';
1250 ti1 = 1e10;
1251 vid = 0;
1252 for(i=0;i<nb_ostreams;i++) {
1253 ost = ost_table[i];
1254 enc = ost->st->codec;
1255 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1256 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1257 !ost->st->stream_copy ?
1258 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1259 }
1260 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1261 float t = (av_gettime()-timer_start) / 1000000.0;
1262
1263 frame_number = ost->frame_number;
1264 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1265 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1266 !ost->st->stream_copy ?
1267 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1268 if(is_last_report)
1269 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1270 if(qp_hist){
1271 int j;
1272 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1273 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1274 qp_histogram[qp]++;
1275 for(j=0; j<32; j++)
1276 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1277 }
1278 if (enc->flags&CODEC_FLAG_PSNR){
1279 int j;
1280 double error, error_sum=0;
1281 double scale, scale_sum=0;
1282 char type[3]= {'Y','U','V'};
1283 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1284 for(j=0; j<3; j++){
1285 if(is_last_report){
1286 error= enc->error[j];
1287 scale= enc->width*enc->height*255.0*255.0*frame_number;
1288 }else{
1289 error= enc->coded_frame->error[j];
1290 scale= enc->width*enc->height*255.0*255.0;
1291 }
1292 if(j) scale/=4;
1293 error_sum += error;
1294 scale_sum += scale;
1295 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1296 }
1297 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1298 }
1299 vid = 1;
1300 }
1301 /* compute min output value */
1302 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1303 if ((pts < ti1) && (pts > 0))
1304 ti1 = pts;
1305 }
1306 if (ti1 < 0.01)
1307 ti1 = 0.01;
1308
1309 if (verbose || is_last_report) {
1310 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1311
1312 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1313 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1314 (double)total_size / 1024, ti1, bitrate);
1315
1316 if (nb_frames_dup || nb_frames_drop)
1317 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1318 nb_frames_dup, nb_frames_drop);
1319
1320 if (verbose >= 0)
1321 fprintf(stderr, "%s \r", buf);
1322
1323 fflush(stderr);
1324 }
1325
1326 if (is_last_report && verbose >= 0){
1327 int64_t raw= audio_size + video_size + extra_size;
1328 fprintf(stderr, "\n");
1329 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1330 video_size/1024.0,
1331 audio_size/1024.0,
1332 extra_size/1024.0,
1333 100.0*(total_size - raw)/raw
1334 );
1335 }
1336 }
1337
1338 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1339 static int output_packet(AVInputStream *ist, int ist_index,
1340 AVOutputStream **ost_table, int nb_ostreams,
1341 const AVPacket *pkt)
1342 {
1343 AVFormatContext *os;
1344 AVOutputStream *ost;
1345 int ret, i;
1346 int got_picture;
1347 AVFrame picture;
1348 void *buffer_to_free;
1349 static unsigned int samples_size= 0;
1350 AVSubtitle subtitle, *subtitle_to_free;
1351 int got_subtitle;
1352 AVPacket avpkt;
1353 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1354
1355 if(ist->next_pts == AV_NOPTS_VALUE)
1356 ist->next_pts= ist->pts;
1357
1358 if (pkt == NULL) {
1359 /* EOF handling */
1360 av_init_packet(&avpkt);
1361 avpkt.data = NULL;
1362 avpkt.size = 0;
1363 goto handle_eof;
1364 } else {
1365 avpkt = *pkt;
1366 }
1367
1368 if(pkt->dts != AV_NOPTS_VALUE)
1369 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1370
1371 //while we have more to decode or while the decoder did output something on EOF
1372 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1373 uint8_t *data_buf, *decoded_data_buf;
1374 int data_size, decoded_data_size;
1375 handle_eof:
1376 ist->pts= ist->next_pts;
1377
1378 if(avpkt.size && avpkt.size != pkt->size &&
1379 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1380 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1381 ist->showed_multi_packet_warning=1;
1382 }
1383
1384 /* decode the packet if needed */
1385 decoded_data_buf = NULL; /* fail safe */
1386 decoded_data_size= 0;
1387 data_buf = avpkt.data;
1388 data_size = avpkt.size;
1389 subtitle_to_free = NULL;
1390 if (ist->decoding_needed) {
1391 switch(ist->st->codec->codec_type) {
1392 case AVMEDIA_TYPE_AUDIO:{
1393 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1394 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1395 av_free(samples);
1396 samples= av_malloc(samples_size);
1397 }
1398 decoded_data_size= samples_size;
1399 /* XXX: could avoid copy if PCM 16 bits with same
1400 endianness as CPU */
1401 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1402 &avpkt);
1403 if (ret < 0)
1404 goto fail_decode;
1405 avpkt.data += ret;
1406 avpkt.size -= ret;
1407 data_size = ret;
1408 /* Some bug in mpeg audio decoder gives */
1409 /* decoded_data_size < 0, it seems they are overflows */
1410 if (decoded_data_size <= 0) {
1411 /* no audio frame */
1412 continue;
1413 }
1414 decoded_data_buf = (uint8_t *)samples;
1415 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1416 (ist->st->codec->sample_rate * ist->st->codec->channels);
1417 break;}
1418 case AVMEDIA_TYPE_VIDEO:
1419 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1420 /* XXX: allocate picture correctly */
1421 avcodec_get_frame_defaults(&picture);
1422
1423 ret = avcodec_decode_video2(ist->st->codec,
1424 &picture, &got_picture, &avpkt);
1425 ist->st->quality= picture.quality;
1426 if (ret < 0)
1427 goto fail_decode;
1428 if (!got_picture) {
1429 /* no picture yet */
1430 goto discard_packet;
1431 }
1432 if (ist->st->codec->time_base.num != 0) {
1433 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1434 ist->next_pts += ((int64_t)AV_TIME_BASE *
1435 ist->st->codec->time_base.num * ticks) /
1436 ist->st->codec->time_base.den;
1437 }
1438 avpkt.size = 0;
1439 break;
1440 case AVMEDIA_TYPE_SUBTITLE:
1441 ret = avcodec_decode_subtitle2(ist->st->codec,
1442 &subtitle, &got_subtitle, &avpkt);
1443 if (ret < 0)
1444 goto fail_decode;
1445 if (!got_subtitle) {
1446 goto discard_packet;
1447 }
1448 subtitle_to_free = &subtitle;
1449 avpkt.size = 0;
1450 break;
1451 default:
1452 goto fail_decode;
1453 }
1454 } else {
1455 switch(ist->st->codec->codec_type) {
1456 case AVMEDIA_TYPE_AUDIO:
1457 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1458 ist->st->codec->sample_rate;
1459 break;
1460 case AVMEDIA_TYPE_VIDEO:
1461 if (ist->st->codec->time_base.num != 0) {
1462 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1463 ist->next_pts += ((int64_t)AV_TIME_BASE *
1464 ist->st->codec->time_base.num * ticks) /
1465 ist->st->codec->time_base.den;
1466 }
1467 break;
1468 }
1469 ret = avpkt.size;
1470 avpkt.size = 0;
1471 }
1472
1473 buffer_to_free = NULL;
1474 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1475 pre_process_video_frame(ist, (AVPicture *)&picture,
1476 &buffer_to_free);
1477 }
1478
1479 // preprocess audio (volume)
1480 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1481 if (audio_volume != 256) {
1482 short *volp;
1483 volp = samples;
1484 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1485 int v = ((*volp) * audio_volume + 128) >> 8;
1486 if (v < -32768) v = -32768;
1487 if (v > 32767) v = 32767;
1488 *volp++ = v;
1489 }
1490 }
1491 }
1492
1493 /* frame rate emulation */
1494 if (rate_emu) {
1495 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1496 int64_t now = av_gettime() - ist->start;
1497 if (pts > now)
1498 usleep(pts - now);
1499 }
1500
1501 /* if output time reached then transcode raw format,
1502 encode packets and output them */
1503 if (start_time == 0 || ist->pts >= start_time)
1504 for(i=0;i<nb_ostreams;i++) {
1505 int frame_size;
1506
1507 ost = ost_table[i];
1508 if (ost->source_index == ist_index) {
1509 os = output_files[ost->file_index];
1510
1511 /* set the input output pts pairs */
1512 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1513
1514 if (ost->encoding_needed) {
1515 assert(ist->decoding_needed);
1516 switch(ost->st->codec->codec_type) {
1517 case AVMEDIA_TYPE_AUDIO:
1518 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1519 break;
1520 case AVMEDIA_TYPE_VIDEO:
1521 do_video_out(os, ost, ist, &picture, &frame_size);
1522 if (vstats_filename && frame_size)
1523 do_video_stats(os, ost, frame_size);
1524 break;
1525 case AVMEDIA_TYPE_SUBTITLE:
1526 do_subtitle_out(os, ost, ist, &subtitle,
1527 pkt->pts);
1528 break;
1529 default:
1530 abort();
1531 }
1532 } else {
1533 AVFrame avframe; //FIXME/XXX remove this
1534 AVPacket opkt;
1535 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1536
1537 av_init_packet(&opkt);
1538
1539 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1540 continue;
1541
1542 /* no reencoding needed : output the packet directly */
1543 /* force the input stream PTS */
1544
1545 avcodec_get_frame_defaults(&avframe);
1546 ost->st->codec->coded_frame= &avframe;
1547 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1548
1549 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1550 audio_size += data_size;
1551 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1552 video_size += data_size;
1553 ost->sync_opts++;
1554 }
1555
1556 opkt.stream_index= ost->index;
1557 if(pkt->pts != AV_NOPTS_VALUE)
1558 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1559 else
1560 opkt.pts= AV_NOPTS_VALUE;
1561
1562 if (pkt->dts == AV_NOPTS_VALUE)
1563 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1564 else
1565 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1566 opkt.dts -= ost_tb_start_time;
1567
1568 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1569 opkt.flags= pkt->flags;
1570
1571 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1572 if( ost->st->codec->codec_id != CODEC_ID_H264
1573 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1574 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1575 ) {
1576 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1577 opkt.destruct= av_destruct_packet;
1578 } else {
1579 opkt.data = data_buf;
1580 opkt.size = data_size;
1581 }
1582
1583 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1584 ost->st->codec->frame_number++;
1585 ost->frame_number++;
1586 av_free_packet(&opkt);
1587 }
1588 }
1589 }
1590 av_free(buffer_to_free);
1591 /* XXX: allocate the subtitles in the codec ? */
1592 if (subtitle_to_free) {
1593 if (subtitle_to_free->rects != NULL) {
1594 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1595 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1596 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1597 av_freep(&subtitle_to_free->rects[i]);
1598 }
1599 av_freep(&subtitle_to_free->rects);
1600 }
1601 subtitle_to_free->num_rects = 0;
1602 subtitle_to_free = NULL;
1603 }
1604 }
1605 discard_packet:
1606 if (pkt == NULL) {
1607 /* EOF handling */
1608
1609 for(i=0;i<nb_ostreams;i++) {
1610 ost = ost_table[i];
1611 if (ost->source_index == ist_index) {
1612 AVCodecContext *enc= ost->st->codec;
1613 os = output_files[ost->file_index];
1614
1615 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1616 continue;
1617 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1618 continue;
1619
1620 if (ost->encoding_needed) {
1621 for(;;) {
1622 AVPacket pkt;
1623 int fifo_bytes;
1624 av_init_packet(&pkt);
1625 pkt.stream_index= ost->index;
1626
1627 switch(ost->st->codec->codec_type) {
1628 case AVMEDIA_TYPE_AUDIO:
1629 fifo_bytes = av_fifo_size(ost->fifo);
1630 ret = 0;
1631 /* encode any samples remaining in fifo */
1632 if (fifo_bytes > 0) {
1633 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1634 int fs_tmp = enc->frame_size;
1635
1636 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1637 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1638 enc->frame_size = fifo_bytes / (osize * enc->channels);
1639 } else { /* pad */
1640 int frame_bytes = enc->frame_size*osize*enc->channels;
1641 if (samples_size < frame_bytes)
1642 av_exit(1);
1643 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1644 }
1645
1646 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1647 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1648 ost->st->time_base.num, enc->sample_rate);
1649 enc->frame_size = fs_tmp;
1650 }
1651 if(ret <= 0) {
1652 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1653 }
1654 if (ret < 0) {
1655 fprintf(stderr, "Audio encoding failed\n");
1656 av_exit(1);
1657 }
1658 audio_size += ret;
1659 pkt.flags |= AV_PKT_FLAG_KEY;
1660 break;
1661 case AVMEDIA_TYPE_VIDEO:
1662 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1663 if (ret < 0) {
1664 fprintf(stderr, "Video encoding failed\n");
1665 av_exit(1);
1666 }
1667 video_size += ret;
1668 if(enc->coded_frame && enc->coded_frame->key_frame)
1669 pkt.flags |= AV_PKT_FLAG_KEY;
1670 if (ost->logfile && enc->stats_out) {
1671 fprintf(ost->logfile, "%s", enc->stats_out);
1672 }
1673 break;
1674 default:
1675 ret=-1;
1676 }
1677
1678 if(ret<=0)
1679 break;
1680 pkt.data= bit_buffer;
1681 pkt.size= ret;
1682 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1683 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1684 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1685 }
1686 }
1687 }
1688 }
1689 }
1690
1691 return 0;
1692 fail_decode:
1693 return -1;
1694 }
1695
1696 static void print_sdp(AVFormatContext **avc, int n)
1697 {
1698 char sdp[2048];
1699
1700 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1701 printf("SDP:\n%s\n", sdp);
1702 fflush(stdout);
1703 }
1704
1705 static int copy_chapters(int infile, int outfile)
1706 {
1707 AVFormatContext *is = input_files[infile];
1708 AVFormatContext *os = output_files[outfile];
1709 int i;
1710
1711 for (i = 0; i < is->nb_chapters; i++) {
1712 AVChapter *in_ch = is->chapters[i], *out_ch;
1713 AVMetadataTag *t = NULL;
1714 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1715 AV_TIME_BASE_Q, in_ch->time_base);
1716 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1717 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1718
1719
1720 if (in_ch->end < ts_off)
1721 continue;
1722 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1723 break;
1724
1725 out_ch = av_mallocz(sizeof(AVChapter));
1726 if (!out_ch)
1727 return AVERROR(ENOMEM);
1728
1729 out_ch->id = in_ch->id;
1730 out_ch->time_base = in_ch->time_base;
1731 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1732 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1733
1734 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1735 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1736
1737 os->nb_chapters++;
1738 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1739 if (!os->chapters)
1740 return AVERROR(ENOMEM);
1741 os->chapters[os->nb_chapters - 1] = out_ch;
1742 }
1743 return 0;
1744 }
1745
1746 /*
1747 * The following code is the main loop of the file converter
1748 */
1749 static int av_transcode(AVFormatContext **output_files,
1750 int nb_output_files,
1751 AVFormatContext **input_files,
1752 int nb_input_files,
1753 AVStreamMap *stream_maps, int nb_stream_maps)
1754 {
1755 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1756 AVFormatContext *is, *os;
1757 AVCodecContext *codec, *icodec;
1758 AVOutputStream *ost, **ost_table = NULL;
1759 AVInputStream *ist, **ist_table = NULL;
1760 AVInputFile *file_table;
1761 char error[1024];
1762 int key;
1763 int want_sdp = 1;
1764 uint8_t no_packet[MAX_FILES]={0};
1765 int no_packet_count=0;
1766
1767 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1768 if (!file_table)
1769 goto fail;
1770
1771 /* input stream init */
1772 j = 0;
1773 for(i=0;i<nb_input_files;i++) {
1774 is = input_files[i];
1775 file_table[i].ist_index = j;
1776 file_table[i].nb_streams = is->nb_streams;
1777 j += is->nb_streams;
1778 }
1779 nb_istreams = j;
1780
1781 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1782 if (!ist_table)
1783 goto fail;
1784
1785 for(i=0;i<nb_istreams;i++) {
1786 ist = av_mallocz(sizeof(AVInputStream));
1787 if (!ist)
1788 goto fail;
1789 ist_table[i] = ist;
1790 }
1791 j = 0;
1792 for(i=0;i<nb_input_files;i++) {
1793 is = input_files[i];
1794 for(k=0;k<is->nb_streams;k++) {
1795 ist = ist_table[j++];
1796 ist->st = is->streams[k];
1797 ist->file_index = i;
1798 ist->index = k;
1799 ist->discard = 1; /* the stream is discarded by default
1800 (changed later) */
1801
1802 if (rate_emu) {
1803 ist->start = av_gettime();
1804 }
1805 }
1806 }
1807
1808 /* output stream init */
1809 nb_ostreams = 0;
1810 for(i=0;i<nb_output_files;i++) {
1811 os = output_files[i];
1812 if (!os->nb_streams) {
1813 dump_format(output_files[i], i, output_files[i]->filename, 1);
1814 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1815 av_exit(1);
1816 }
1817 nb_ostreams += os->nb_streams;
1818 }
1819 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1820 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1821 av_exit(1);
1822 }
1823
1824 /* Sanity check the mapping args -- do the input files & streams exist? */
1825 for(i=0;i<nb_stream_maps;i++) {
1826 int fi = stream_maps[i].file_index;
1827 int si = stream_maps[i].stream_index;
1828
1829 if (fi < 0 || fi > nb_input_files - 1 ||
1830 si < 0 || si > file_table[fi].nb_streams - 1) {
1831 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1832 av_exit(1);
1833 }
1834 fi = stream_maps[i].sync_file_index;
1835 si = stream_maps[i].sync_stream_index;
1836 if (fi < 0 || fi > nb_input_files - 1 ||
1837 si < 0 || si > file_table[fi].nb_streams - 1) {
1838 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1839 av_exit(1);
1840 }
1841 }
1842
1843 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1844 if (!ost_table)
1845 goto fail;
1846 for(i=0;i<nb_ostreams;i++) {
1847 ost = av_mallocz(sizeof(AVOutputStream));
1848 if (!ost)
1849 goto fail;
1850 ost_table[i] = ost;
1851 }
1852
1853 n = 0;
1854 for(k=0;k<nb_output_files;k++) {
1855 os = output_files[k];
1856 for(i=0;i<os->nb_streams;i++,n++) {
1857 int found;
1858 ost = ost_table[n];
1859 ost->file_index = k;
1860 ost->index = i;
1861 ost->st = os->streams[i];
1862 if (nb_stream_maps > 0) {
1863 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1864 stream_maps[n].stream_index;
1865
1866 /* Sanity check that the stream types match */
1867 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1868 int i= ost->file_index;
1869 dump_format(output_files[i], i, output_files[i]->filename, 1);
1870 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1871 stream_maps[n].file_index, stream_maps[n].stream_index,
1872 ost->file_index, ost->index);
1873 av_exit(1);
1874 }
1875
1876 } else {
1877 int best_nb_frames=-1;
1878 /* get corresponding input stream index : we select the first one with the right type */
1879 found = 0;
1880 for(j=0;j<nb_istreams;j++) {
1881 int skip=0;
1882 ist = ist_table[j];
1883 if(opt_programid){
1884 int pi,si;
1885 AVFormatContext *f= input_files[ ist->file_index ];
1886 skip=1;
1887 for(pi=0; pi<f->nb_programs; pi++){
1888 AVProgram *p= f->programs[pi];
1889 if(p->id == opt_programid)
1890 for(si=0; si<p->nb_stream_indexes; si++){
1891 if(f->streams[ p->stream_index[si] ] == ist->st)
1892 skip=0;
1893 }
1894 }
1895 }
1896 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
1897 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1898 if(best_nb_frames < ist->st->codec_info_nb_frames){
1899 best_nb_frames= ist->st->codec_info_nb_frames;
1900 ost->source_index = j;
1901 found = 1;
1902 }
1903 }
1904 }
1905
1906 if (!found) {
1907 if(! opt_programid) {
1908 /* try again and reuse existing stream */
1909 for(j=0;j<nb_istreams;j++) {
1910 ist = ist_table[j];
1911 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
1912 && ist->st->discard != AVDISCARD_ALL) {
1913 ost->source_index = j;
1914 found = 1;
1915 }
1916 }
1917 }
1918 if (!found) {
1919 int i= ost->file_index;
1920 dump_format(output_files[i], i, output_files[i]->filename, 1);
1921 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1922 ost->file_index, ost->index);
1923 av_exit(1);
1924 }
1925 }
1926 }
1927 ist = ist_table[ost->source_index];
1928 ist->discard = 0;
1929 ost->sync_ist = (nb_stream_maps > 0) ?
1930 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1931 stream_maps[n].sync_stream_index] : ist;
1932 }
1933 }
1934
1935 /* for each output stream, we compute the right encoding parameters */
1936 for(i=0;i<nb_ostreams;i++) {
1937 AVMetadataTag *t = NULL;
1938 ost = ost_table[i];
1939 os = output_files[ost->file_index];
1940 ist = ist_table[ost->source_index];
1941
1942 codec = ost->st->codec;
1943 icodec = ist->st->codec;
1944
1945 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
1946 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
1947 }
1948
1949 ost->st->disposition = ist->st->disposition;
1950 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1951 codec->chroma_sample_location = icodec->chroma_sample_location;
1952
1953 if (ost->st->stream_copy) {
1954 /* if stream_copy is selected, no need to decode or encode */
1955 codec->codec_id = icodec->codec_id;
1956 codec->codec_type = icodec->codec_type;
1957
1958 if(!codec->codec_tag){
1959 if( !os->oformat->codec_tag
1960 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1961 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1962 codec->codec_tag = icodec->codec_tag;
1963 }
1964
1965 codec->bit_rate = icodec->bit_rate;
1966 codec->extradata= icodec->extradata;
1967 codec->extradata_size= icodec->extradata_size;
1968 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){
1969 codec->time_base = icodec->time_base;
1970 codec->time_base.num *= icodec->ticks_per_frame;
1971 }else
1972 codec->time_base = ist->st->time_base;
1973 switch(codec->codec_type) {
1974 case AVMEDIA_TYPE_AUDIO:
1975 if(audio_volume != 256) {
1976 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1977 av_exit(1);
1978 }
1979 codec->channel_layout = icodec->channel_layout;
1980 codec->sample_rate = icodec->sample_rate;
1981 codec->channels = icodec->channels;
1982 codec->frame_size = icodec->frame_size;
1983 codec->block_align= icodec->block_align;
1984 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1985 codec->block_align= 0;
1986 if(codec->codec_id == CODEC_ID_AC3)
1987 codec->block_align= 0;
1988 break;
1989 case AVMEDIA_TYPE_VIDEO:
1990 codec->pix_fmt = icodec->pix_fmt;
1991 codec->width = icodec->width;
1992 codec->height = icodec->height;
1993 codec->has_b_frames = icodec->has_b_frames;
1994 break;
1995 case AVMEDIA_TYPE_SUBTITLE:
1996 codec->width = icodec->width;
1997 codec->height = icodec->height;
1998 break;
1999 default:
2000 abort();
2001 }
2002 } else {
2003 switch(codec->codec_type) {
2004 case AVMEDIA_TYPE_AUDIO:
2005 ost->fifo= av_fifo_alloc(1024);
2006 if(!ost->fifo)
2007 goto fail;
2008 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2009 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2010 icodec->request_channels = codec->channels;
2011 ist->decoding_needed = 1;
2012 ost->encoding_needed = 1;
2013 break;
2014 case AVMEDIA_TYPE_VIDEO:
2015 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2016 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2017 av_exit(1);
2018 }
2019 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2020 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
2021 ost->video_resample = ((codec->width != icodec->width -
2022 (frame_leftBand + frame_rightBand) +
2023 (frame_padleft + frame_padright)) ||
2024 (codec->height != icodec->height -
2025 (frame_topBand + frame_bottomBand) +
2026 (frame_padtop + frame_padbottom)) ||
2027 (codec->pix_fmt != icodec->pix_fmt));
2028 if (ost->video_crop) {
2029 ost->topBand = ost->original_topBand = frame_topBand;
2030 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2031 ost->leftBand = ost->original_leftBand = frame_leftBand;
2032 ost->rightBand = ost->original_rightBand = frame_rightBand;
2033 }
2034 if (ost->video_pad) {
2035 ost->padtop = frame_padtop;
2036 ost->padleft = frame_padleft;
2037 ost->padbottom = frame_padbottom;
2038 ost->padright = frame_padright;
2039 if (!ost->video_resample) {
2040 avcodec_get_frame_defaults(&ost->pict_tmp);
2041 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2042 codec->width, codec->height))
2043 goto fail;
2044 }
2045 }
2046 if (ost->video_resample) {
2047 avcodec_get_frame_defaults(&ost->pict_tmp);
2048 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2049 codec->width, codec->height)) {
2050 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2051 av_exit(1);
2052 }
2053 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2054 ost->img_resample_ctx = sws_getContext(
2055 icodec->width - (frame_leftBand + frame_rightBand),
2056 icodec->height - (frame_topBand + frame_bottomBand),
2057 icodec->pix_fmt,
2058 codec->width - (frame_padleft + frame_padright),
2059 codec->height - (frame_padtop + frame_padbottom),
2060 codec->pix_fmt,
2061 sws_flags, NULL, NULL, NULL);
2062 if (ost->img_resample_ctx == NULL) {
2063 fprintf(stderr, "Cannot get resampling context\n");
2064 av_exit(1);
2065 }
2066
2067 ost->original_height = icodec->height;
2068 ost->original_width = icodec->width;
2069
2070 codec->bits_per_raw_sample= 0;
2071 }
2072 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2073 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2074 ost->resample_pix_fmt= icodec->pix_fmt;
2075 ost->encoding_needed = 1;
2076 ist->decoding_needed = 1;
2077 break;
2078 case AVMEDIA_TYPE_SUBTITLE:
2079 ost->encoding_needed = 1;
2080 ist->decoding_needed = 1;
2081 break;
2082 default:
2083 abort();
2084 break;
2085 }
2086 /* two pass mode */
2087 if (ost->encoding_needed &&
2088 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2089 char logfilename[1024];
2090 FILE *f;
2091
2092 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2093 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2094 i);
2095 if (codec->flags & CODEC_FLAG_PASS1) {
2096 f = fopen(logfilename, "w");
2097 if (!f) {
2098 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2099 av_exit(1);
2100 }
2101 ost->logfile = f;
2102 } else {
2103 char *logbuffer;
2104 size_t logbuffer_size;
2105 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2106 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2107 av_exit(1);
2108 }
2109 codec->stats_in = logbuffer;
2110 }
2111 }
2112 }
2113 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2114 int size= codec->width * codec->height;
2115 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2116 }
2117 }
2118
2119 if (!bit_buffer)
2120 bit_buffer = av_malloc(bit_buffer_size);
2121 if (!bit_buffer) {
2122 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2123 bit_buffer_size);
2124 ret = AVERROR(ENOMEM);
2125 goto fail;
2126 }
2127
2128 /* open each encoder */
2129 for(i=0;i<nb_ostreams;i++) {
2130 ost = ost_table[i];
2131 if (ost->encoding_needed) {
2132 AVCodec *codec = output_codecs[i];
2133 if (!codec)
2134 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2135 if (!codec) {
2136 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2137 ost->st->codec->codec_id, ost->file_index, ost->index);
2138 ret = AVERROR(EINVAL);
2139 goto dump_format;
2140 }
2141 if (avcodec_open(ost->st->codec, codec) < 0) {
2142 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2143 ost->file_index, ost->index);
2144 ret = AVERROR(EINVAL);
2145 goto dump_format;
2146 }
2147 extra_size += ost->st->codec->extradata_size;
2148 }
2149 }
2150
2151 /* open each decoder */
2152 for(i=0;i<nb_istreams;i++) {
2153 ist = ist_table[i];
2154 if (ist->decoding_needed) {
2155 AVCodec *codec = input_codecs[i];
2156 if (!codec)
2157 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2158 if (!codec) {
2159 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2160 ist->st->codec->codec_id, ist->file_index, ist->index);
2161 ret = AVERROR(EINVAL);
2162 goto dump_format;
2163 }
2164 if (avcodec_open(ist->st->codec, codec) < 0) {
2165 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2166 ist->file_index, ist->index);
2167 ret = AVERROR(EINVAL);
2168 goto dump_format;
2169 }
2170 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2171 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2172 }
2173 }
2174
2175 /* init pts */
2176 for(i=0;i<nb_istreams;i++) {
2177 AVStream *st;
2178 ist = ist_table[i];
2179 st= ist->st;
2180 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2181 ist->next_pts = AV_NOPTS_VALUE;
2182 ist->is_start = 1;
2183 }
2184
2185 /* set meta data information from input file if required */
2186 for (i=0;i<nb_meta_data_maps;i++) {
2187 AVFormatContext *out_file;
2188 AVFormatContext *in_file;
2189 AVMetadataTag *mtag;
2190
2191 int out_file_index = meta_data_maps[i].out_file;
2192 int in_file_index = meta_data_maps[i].in_file;
2193 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2194 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2195 out_file_index, out_file_index, in_file_index);
2196 ret = AVERROR(EINVAL);
2197 goto dump_format;
2198 }
2199 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2200 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2201 in_file_index, out_file_index, in_file_index);
2202 ret = AVERROR(EINVAL);
2203 goto dump_format;
2204 }
2205
2206 out_file = output_files[out_file_index];
2207 in_file = input_files[in_file_index];
2208
2209
2210 mtag=NULL;
2211 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2212 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2213 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2214 in_file->iformat->metadata_conv);
2215 }
2216
2217 /* copy chapters from the first input file that has them*/
2218 for (i = 0; i < nb_input_files; i++) {
2219 if (!input_files[i]->nb_chapters)
2220 continue;
2221
2222 for (j = 0; j < nb_output_files; j++)
2223 if ((ret = copy_chapters(i, j)) < 0)
2224 goto dump_format;
2225 }
2226
2227 /* open files and write file headers */
2228 for(i=0;i<nb_output_files;i++) {
2229 os = output_files[i];
2230 if (av_write_header(os) < 0) {
2231 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2232 ret = AVERROR(EINVAL);
2233 goto dump_format;
2234 }
2235 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2236 want_sdp = 0;
2237 }
2238 }
2239
2240 dump_format:
2241 /* dump the file output parameters - cannot be done before in case
2242 of stream copy */
2243 for(i=0;i<nb_output_files;i++) {
2244 dump_format(output_files[i], i, output_files[i]->filename, 1);
2245 }
2246
2247 /* dump the stream mapping */
2248 if (verbose >= 0) {
2249 fprintf(stderr, "Stream mapping:\n");
2250 for(i=0;i<nb_ostreams;i++) {
2251 ost = ost_table[i];
2252 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2253 ist_table[ost->source_index]->file_index,
2254 ist_table[ost->source_index]->index,
2255 ost->file_index,
2256 ost->index);
2257 if (ost->sync_ist != ist_table[ost->source_index])
2258 fprintf(stderr, " [sync #%d.%d]",
2259 ost->sync_ist->file_index,
2260 ost->sync_ist->index);
2261 fprintf(stderr, "\n");
2262 }
2263 }
2264
2265 if (ret) {
2266 fprintf(stderr, "%s\n", error);
2267 goto fail;
2268 }
2269
2270 if (want_sdp) {
2271 print_sdp(output_files, nb_output_files);
2272 }
2273
2274 if (!using_stdin && verbose >= 0) {
2275 fprintf(stderr, "Press [q] to stop encoding\n");
2276 url_set_interrupt_cb(decode_interrupt_cb);
2277 }
2278 term_init();
2279
2280 timer_start = av_gettime();
2281
2282 for(; received_sigterm == 0;) {
2283 int file_index, ist_index;
2284 AVPacket pkt;
2285 double ipts_min;
2286 double opts_min;
2287
2288 redo:
2289 ipts_min= 1e100;
2290 opts_min= 1e100;
2291 /* if 'q' pressed, exits */
2292 if (!using_stdin) {
2293 if (q_pressed)
2294 break;
2295 /* read_key() returns 0 on EOF */
2296 key = read_key();
2297 if (key == 'q')
2298 break;
2299 }
2300
2301 /* select the stream that we must read now by looking at the
2302 smallest output pts */
2303 file_index = -1;
2304 for(i=0;i<nb_ostreams;i++) {
2305 double ipts, opts;
2306 ost = ost_table[i];
2307 os = output_files[ost->file_index];
2308 ist = ist_table[ost->source_index];
2309 if(ist->is_past_recording_time || no_packet[ist->file_index])
2310 continue;
2311 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2312 ipts = (double)ist->pts;
2313 if (!file_table[ist->file_index].eof_reached){
2314 if(ipts < ipts_min) {
2315 ipts_min = ipts;
2316 if(input_sync ) file_index = ist->file_index;
2317 }
2318 if(opts < opts_min) {
2319 opts_min = opts;
2320 if(!input_sync) file_index = ist->file_index;
2321 }
2322 }
2323 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2324 file_index= -1;
2325 break;
2326 }
2327 }
2328 /* if none, if is finished */
2329 if (file_index < 0) {
2330 if(no_packet_count){
2331 no_packet_count=0;
2332 memset(no_packet, 0, sizeof(no_packet));
2333 usleep(10000);
2334 continue;
2335 }
2336 break;
2337 }
2338
2339 /* finish if limit size exhausted */
2340 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2341 break;
2342
2343 /* read a frame from it and output it in the fifo */
2344 is = input_files[file_index];
2345 ret= av_read_frame(is, &pkt);
2346 if(ret == AVERROR(EAGAIN)){
2347 no_packet[file_index]=1;
2348 no_packet_count++;
2349 continue;
2350 }
2351 if (ret < 0) {
2352 file_table[file_index].eof_reached = 1;
2353 if (opt_shortest)
2354 break;
2355 else
2356 continue;
2357 }
2358
2359 no_packet_count=0;
2360 memset(no_packet, 0, sizeof(no_packet));
2361
2362 if (do_pkt_dump) {
2363 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2364 }
2365 /* the following test is needed in case new streams appear
2366 dynamically in stream : we ignore them */
2367 if (pkt.stream_index >= file_table[file_index].nb_streams)
2368 goto discard_packet;
2369 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2370 ist = ist_table[ist_index];
2371 if (ist->discard)
2372 goto discard_packet;
2373
2374 if (pkt.dts != AV_NOPTS_VALUE)
2375 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2376 if (pkt.pts != AV_NOPTS_VALUE)
2377 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2378
2379 if(input_files_ts_scale[file_index][pkt.stream_index]){
2380 if(pkt.pts != AV_NOPTS_VALUE)
2381 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2382 if(pkt.dts != AV_NOPTS_VALUE)
2383 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2384 }
2385
2386 // 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);
2387 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2388 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2389 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2390 int64_t delta= pkt_dts - ist->next_pts;
2391 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2392 input_files_ts_offset[ist->file_index]-= delta;
2393 if (verbose > 2)
2394 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2395 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2396 if(pkt.pts != AV_NOPTS_VALUE)
2397 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2398 }
2399 }
2400
2401 /* finish if recording time exhausted */
2402 if (recording_time != INT64_MAX &&
2403 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2404 ist->is_past_recording_time = 1;
2405 goto discard_packet;
2406 }
2407
2408 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2409 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2410
2411 if (verbose >= 0)
2412 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2413 ist->file_index, ist->index);
2414 if (exit_on_error)
2415 av_exit(1);
2416 av_free_packet(&pkt);
2417 goto redo;
2418 }
2419
2420 discard_packet:
2421 av_free_packet(&pkt);
2422
2423 /* dump report by using the output first video and audio streams */
2424 print_report(output_files, ost_table, nb_ostreams, 0);
2425 }
2426
2427 /* at the end of stream, we must flush the decoder buffers */
2428 for(i=0;i<nb_istreams;i++) {
2429 ist = ist_table[i];
2430 if (ist->decoding_needed) {
2431 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2432 }
2433 }
2434
2435 term_exit();
2436
2437 /* write the trailer if needed and close file */
2438 for(i=0;i<nb_output_files;i++) {
2439 os = output_files[i];
2440 av_write_trailer(os);
2441 }
2442
2443 /* dump report by using the first video and audio streams */
2444 print_report(output_files, ost_table, nb_ostreams, 1);
2445
2446 /* close each encoder */
2447 for(i=0;i<nb_ostreams;i++) {
2448 ost = ost_table[i];
2449 if (ost->encoding_needed) {
2450 av_freep(&ost->st->codec->stats_in);
2451 avcodec_close(ost->st->codec);
2452 }
2453 }
2454
2455 /* close each decoder */
2456 for(i=0;i<nb_istreams;i++) {
2457 ist = ist_table[i];
2458 if (ist->decoding_needed) {
2459 avcodec_close(ist->st->codec);
2460 }
2461 }
2462
2463 /* finished ! */
2464 ret = 0;
2465
2466 fail:
2467 av_freep(&bit_buffer);
2468 av_free(file_table);
2469
2470 if (ist_table) {
2471 for(i=0;i<nb_istreams;i++) {
2472 ist = ist_table[i];
2473 av_free(ist);
2474 }
2475 av_free(ist_table);
2476 }
2477 if (ost_table) {
2478 for(i=0;i<nb_ostreams;i++) {
2479 ost = ost_table[i];
2480 if (ost) {
2481 if (ost->logfile) {
2482 fclose(ost->logfile);
2483 ost->logfile = NULL;
2484 }
2485 av_fifo_free(ost->fifo); /* works even if fifo is not
2486 initialized but set to zero */
2487 av_free(ost->pict_tmp.data[0]);
2488 if (ost->video_resample)
2489 sws_freeContext(ost->img_resample_ctx);
2490 if (ost->resample)
2491 audio_resample_close(ost->resample);
2492 if (ost->reformat_ctx)
2493 av_audio_convert_free(ost->reformat_ctx);
2494 av_free(ost);
2495 }
2496 }
2497 av_free(ost_table);
2498 }
2499 return ret;
2500 }
2501
2502 static void opt_format(const char *arg)
2503 {
2504 /* compatibility stuff for pgmyuv */
2505 if (!strcmp(arg, "pgmyuv")) {
2506 pgmyuv_compatibility_hack=1;
2507 // opt_image_format(arg);
2508 arg = "image2";
2509 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2510 }
2511
2512 last_asked_format = arg;
2513 }
2514
2515 static void opt_video_rc_override_string(const char *arg)
2516 {
2517 video_rc_override_string = arg;
2518 }
2519
2520 static int opt_me_threshold(const char *opt, const char *arg)
2521 {
2522 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2523 return 0;
2524 }
2525
2526 static int opt_verbose(const char *opt, const char *arg)
2527 {
2528 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2529 return 0;
2530 }
2531
2532 static int opt_frame_rate(const char *opt, const char *arg)
2533 {
2534 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2535 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2536 av_exit(1);
2537 }
2538 return 0;
2539 }
2540
2541 static int opt_bitrate(const char *opt, const char *arg)
2542 {
2543 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2544
2545 opt_default(opt, arg);
2546
2547 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2548 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2549
2550 return 0;
2551 }
2552
2553 static void opt_frame_crop_top(const char *arg)
2554 {
2555 frame_topBand = atoi(arg);
2556 if (frame_topBand < 0) {
2557 fprintf(stderr, "Incorrect top crop size\n");
2558 av_exit(1);
2559 }
2560 if ((frame_topBand) >= frame_height){
2561 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2562 av_exit(1);
2563 }
2564 frame_height -= frame_topBand;
2565 }
2566
2567 static void opt_frame_crop_bottom(const char *arg)
2568 {
2569 frame_bottomBand = atoi(arg);
2570 if (frame_bottomBand < 0) {
2571 fprintf(stderr, "Incorrect bottom crop size\n");
2572 av_exit(1);
2573 }
2574 if ((frame_bottomBand) >= frame_height){
2575 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2576 av_exit(1);
2577 }
2578 frame_height -= frame_bottomBand;
2579 }
2580
2581 static void opt_frame_crop_left(const char *arg)
2582 {
2583 frame_leftBand = atoi(arg);
2584 if (frame_leftBand < 0) {
2585 fprintf(stderr, "Incorrect left crop size\n");
2586 av_exit(1);
2587 }
2588 if ((frame_leftBand) >= frame_width){
2589 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2590 av_exit(1);
2591 }
2592 frame_width -= frame_leftBand;
2593 }
2594
2595 static void opt_frame_crop_right(const char *arg)
2596 {
2597 frame_rightBand = atoi(arg);
2598 if (frame_rightBand < 0) {
2599 fprintf(stderr, "Incorrect right crop size\n");
2600 av_exit(1);
2601 }
2602 if ((frame_rightBand) >= frame_width){
2603 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2604 av_exit(1);
2605 }
2606 frame_width -= frame_rightBand;
2607 }
2608
2609 static void opt_frame_size(const char *arg)
2610 {
2611 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2612 fprintf(stderr, "Incorrect frame size\n");
2613 av_exit(1);
2614 }
2615 }
2616
2617 static void opt_pad_color(const char *arg) {
2618 /* Input is expected to be six hex digits similar to
2619 how colors are expressed in html tags (but without the #) */
2620 int rgb = strtol(arg, NULL, 16);
2621 int r,g,b;
2622
2623 r = (rgb >> 16);
2624 g = ((rgb >> 8) & 255);
2625 b = (rgb & 255);
2626
2627 padcolor[0] = RGB_TO_Y(r,g,b);
2628 padcolor[1] = RGB_TO_U(r,g,b,0);
2629 padcolor[2] = RGB_TO_V(r,g,b,0);
2630 }
2631
2632 static void opt_frame_pad_top(const char *arg)
2633 {
2634 frame_padtop = atoi(arg);
2635 if (frame_padtop < 0) {
2636 fprintf(stderr, "Incorrect top pad size\n");
2637 av_exit(1);
2638 }
2639 }
2640
2641 static void opt_frame_pad_bottom(const char *arg)
2642 {
2643 frame_padbottom = atoi(arg);
2644 if (frame_padbottom < 0) {
2645 fprintf(stderr, "Incorrect bottom pad size\n");
2646 av_exit(1);
2647 }
2648 }
2649
2650
2651 static void opt_frame_pad_left(const char *arg)
2652 {
2653 frame_padleft = atoi(arg);
2654 if (frame_padleft < 0) {
2655 fprintf(stderr, "Incorrect left pad size\n");
2656 av_exit(1);
2657 }
2658 }
2659
2660
2661 static void opt_frame_pad_right(const char *arg)
2662 {
2663 frame_padright = atoi(arg);
2664 if (frame_padright < 0) {
2665 fprintf(stderr, "Incorrect right pad size\n");
2666 av_exit(1);
2667 }
2668 }
2669
2670 static void opt_frame_pix_fmt(const char *arg)
2671 {
2672 if (strcmp(arg, "list")) {
2673 frame_pix_fmt = av_get_pix_fmt(arg);
2674 if (frame_pix_fmt == PIX_FMT_NONE) {
2675 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2676 av_exit(1);
2677 }
2678 } else {
2679 show_pix_fmts();
2680 av_exit(0);
2681 }
2682 }
2683
2684 static void opt_frame_aspect_ratio(const char *arg)
2685 {
2686 int x = 0, y = 0;
2687 double ar = 0;
2688 const char *p;
2689 char *end;
2690
2691 p = strchr(arg, ':');
2692 if (p) {
2693 x = strtol(arg, &end, 10);
2694 if (end == p)
2695 y = strtol(end+1, &end, 10);
2696 if (x > 0 && y > 0)
2697 ar = (double)x / (double)y;
2698 } else
2699 ar = strtod(arg, NULL);
2700
2701 if (!ar) {
2702 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2703 av_exit(1);
2704 }
2705 frame_aspect_ratio = ar;
2706 }
2707
2708 static int opt_metadata(const char *opt, const char *arg)
2709 {
2710 char *mid= strchr(arg, '=');
2711
2712 if(!mid){
2713 fprintf(stderr, "Missing =\n");
2714 av_exit(1);
2715 }
2716 *mid++= 0;
2717
2718 metadata_count++;
2719 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2720 metadata[metadata_count-1].key = av_strdup(arg);
2721 metadata[metadata_count-1].value= av_strdup(mid);
2722
2723 return 0;
2724 }
2725
2726 static void opt_qscale(const char *arg)
2727 {
2728 video_qscale = atof(arg);
2729 if (video_qscale <= 0 ||
2730 video_qscale > 255) {
2731 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2732 av_exit(1);
2733 }
2734 }
2735
2736 static void opt_top_field_first(const char *arg)
2737 {
2738 top_field_first= atoi(arg);
2739 }
2740
2741 static int opt_thread_count(const char *opt, const char *arg)
2742 {
2743 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2744 #if !HAVE_THREADS
2745 if (verbose >= 0)
2746 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2747 #endif
2748 return 0;
2749 }
2750
2751 static void opt_audio_sample_fmt(const char *arg)
2752 {
2753 if (strcmp(arg, "list"))
2754 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2755 else {
2756 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2757 av_exit(0);
2758 }
2759 }
2760
2761 static int opt_audio_rate(const char *opt, const char *arg)
2762 {
2763 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2764 return 0;
2765 }
2766
2767 static int opt_audio_channels(const char *opt, const char *arg)
2768 {
2769 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2770 return 0;
2771 }
2772
2773 static void opt_video_channel(const char *arg)
2774 {
2775 video_channel = strtol(arg, NULL, 0);
2776 }
2777
2778 static void opt_video_standard(const char *arg)
2779 {
2780 video_standard = av_strdup(arg);
2781 }
2782
2783 static void opt_codec(int *pstream_copy, char **pcodec_name,
2784 int codec_type, const char *arg)
2785 {
2786 av_freep(pcodec_name);
2787 if (!strcmp(arg, "copy")) {
2788 *pstream_copy = 1;
2789 } else {
2790 *pcodec_name = av_strdup(arg);
2791 }
2792 }
2793
2794 static void opt_audio_codec(const char *arg)
2795 {
2796 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2797 }
2798
2799 static void opt_audio_tag(const char *arg)
2800 {
2801 char *tail;
2802 audio_codec_tag= strtol(arg, &tail, 0);
2803
2804 if(!tail || *tail)
2805 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2806 }
2807
2808 static void opt_video_tag(const char *arg)
2809 {
2810 char *tail;
2811 video_codec_tag= strtol(arg, &tail, 0);
2812
2813 if(!tail || *tail)
2814 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2815 }
2816
2817 static void opt_video_codec(const char *arg)
2818 {
2819 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2820 }
2821
2822 static void opt_subtitle_codec(const char *arg)
2823 {
2824 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2825 }
2826
2827 static void opt_subtitle_tag(const char *arg)
2828 {
2829 char *tail;
2830 subtitle_codec_tag= strtol(arg, &tail, 0);
2831
2832 if(!tail || *tail)
2833 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2834 }
2835
2836 static void opt_map(const char *arg)
2837 {
2838 AVStreamMap *m;
2839 char *p;
2840
2841 m = &stream_maps[nb_stream_maps++];
2842
2843 m->file_index = strtol(arg, &p, 0);
2844 if (*p)
2845 p++;
2846
2847 m->stream_index = strtol(p, &p, 0);
2848 if (*p) {
2849 p++;
2850 m->sync_file_index = strtol(p, &p, 0);
2851 if (*p)
2852 p++;
2853 m->sync_stream_index = strtol(p, &p, 0);
2854 } else {
2855 m->sync_file_index = m->file_index;
2856 m->sync_stream_index = m->stream_index;
2857 }
2858 }
2859
2860 static void opt_map_meta_data(const char *arg)
2861 {
2862 AVMetaDataMap *m;
2863 char *p;
2864
2865 m = &meta_data_maps[nb_meta_data_maps++];
2866
2867 m->out_file = strtol(arg, &p, 0);
2868 if (*p)
2869 p++;
2870
2871 m->in_file = strtol(p, &p, 0);
2872 }
2873
2874 static void opt_input_ts_scale(const char *arg)
2875 {
2876 unsigned int stream;
2877 double scale;
2878 char *p;
2879
2880 stream = strtol(arg, &p, 0);
2881 if (*p)
2882 p++;
2883 scale= strtod(p, &p);
2884
2885 if(stream >= MAX_STREAMS)
2886 av_exit(1);
2887
2888 input_files_ts_scale[nb_input_files][stream]= scale;
2889 }
2890
2891 static int opt_recording_time(const char *opt, const char *arg)
2892 {
2893 recording_time = parse_time_or_die(opt, arg, 1);
2894 return 0;
2895 }
2896
2897 static int opt_start_time(const char *opt, const char *arg)
2898 {
2899 start_time = parse_time_or_die(opt, arg, 1);
2900 return 0;
2901 }
2902
2903 static int opt_rec_timestamp(const char *opt, const char *arg)
2904 {
2905 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2906 return 0;
2907 }
2908
2909 static int opt_input_ts_offset(const char *opt, const char *arg)
2910 {
2911 input_ts_offset = parse_time_or_die(opt, arg, 1);
2912 return 0;
2913 }
2914
2915 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2916 {
2917 const char *codec_string = encoder ? "encoder" : "decoder";
2918 AVCodec *codec;
2919
2920 if(!name)
2921 return CODEC_ID_NONE;
2922 codec = encoder ?
2923 avcodec_find_encoder_by_name(name) :
2924 avcodec_find_decoder_by_name(name);
2925 if(!codec) {
2926 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2927 av_exit(1);
2928 }
2929 if(codec->type != type) {
2930 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2931 av_exit(1);
2932 }
2933 return codec->id;
2934 }
2935
2936 static void opt_input_file(const char *filename)
2937 {
2938 AVFormatContext *ic;
2939 AVFormatParameters params, *ap = &params;
2940 AVInputFormat *file_iformat = NULL;
2941 int err, i, ret, rfps, rfps_base;
2942 int64_t timestamp;
2943
2944 if (last_asked_format) {
2945 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2946 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2947 av_exit(1);
2948 }
2949 last_asked_format = NULL;
2950 }
2951
2952 if (!strcmp(filename, "-"))
2953 filename = "pipe:";
2954
2955 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2956 !strcmp(filename, "/dev/stdin");
2957
2958 /* get default parameters from command line */
2959 ic = avformat_alloc_context();
2960 if (!ic) {
2961 print_error(filename, AVERROR(ENOMEM));
2962 av_exit(1);
2963 }
2964
2965 memset(ap, 0, sizeof(*ap));
2966 ap->prealloced_context = 1;
2967 ap->sample_rate = audio_sample_rate;
2968 ap->channels = audio_channels;
2969 ap->time_base.den = frame_rate.num;
2970 ap->time_base.num = frame_rate.den;
2971 ap->width = frame_width + frame_padleft + frame_padright;
2972 ap->height = frame_height + frame_padtop + frame_padbottom;
2973 ap->pix_fmt = frame_pix_fmt;
2974 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2975 ap->channel = video_channel;
2976 ap->standard = video_standard;
2977
2978 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2979
2980 ic->video_codec_id = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
2981 ic->audio_codec_id = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
2982 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
2983 ic->flags |= AVFMT_FLAG_NONBLOCK;
2984
2985 if(pgmyuv_compatibility_hack)
2986 ic->video_codec_id= CODEC_ID_PGMYUV;
2987
2988 /* open the input file with generic libav function */
2989 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2990 if (err < 0) {
2991 print_error(filename, err);
2992 av_exit(1);
2993 }
2994 if(opt_programid) {
2995 int i, j;
2996 int found=0;
2997 for(i=0; i<ic->nb_streams; i++){
2998 ic->streams[i]->discard= AVDISCARD_ALL;
2999 }
3000 for(i=0; i<ic->nb_programs; i++){
3001 AVProgram *p= ic->programs[i];
3002 if(p->id != opt_programid){
3003 p->discard = AVDISCARD_ALL;
3004 }else{
3005 found=1;
3006 for(j=0; j<p->nb_stream_indexes; j++){
3007 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3008 }
3009 }
3010 }
3011 if(!found){
3012 fprintf(stderr, "Specified program id not found\n");
3013 av_exit(1);
3014 }
3015 opt_programid=0;
3016 }
3017
3018 ic->loop_input = loop_input;
3019
3020 /* If not enough info to get the stream parameters, we decode the
3021 first frames to get it. (used in mpeg case for example) */
3022 ret = av_find_stream_info(ic);
3023 if (ret < 0 && verbose >= 0) {
3024 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3025 av_exit(1);
3026 }
3027
3028 timestamp = start_time;
3029 /* add the stream start time */
3030 if (ic->start_time != AV_NOPTS_VALUE)
3031 timestamp += ic->start_time;
3032
3033 /* if seeking requested, we execute it */
3034 if (start_time != 0) {
3035 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3036 if (ret < 0) {
3037 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3038 filename, (double)timestamp / AV_TIME_BASE);
3039 }
3040 /* reset seek info */
3041 start_time = 0;
3042 }
3043
3044 /* update the current parameters so that they match the one of the input stream */
3045 for(i=0;i<ic->nb_streams;i++) {
3046 AVStream *st = ic->streams[i];
3047 AVCodecContext *enc = st->codec;
3048 avcodec_thread_init(enc, thread_count);
3049 switch(enc->codec_type) {
3050 case AVMEDIA_TYPE_AUDIO:
3051 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3052 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3053 channel_layout = enc->channel_layout;
3054 audio_channels = enc->channels;
3055 audio_sample_rate = enc->sample_rate;
3056 audio_sample_fmt = enc->sample_fmt;
3057 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3058 if(audio_disable)
3059 st->discard= AVDISCARD_ALL;
3060 break;
3061 case AVMEDIA_TYPE_VIDEO:
3062 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3063 frame_height = enc->height;
3064 frame_width = enc->width;
3065 if(ic->streams[i]->sample_aspect_ratio.num)
3066 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3067 else
3068 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3069 frame_aspect_ratio *= (float) enc->width / enc->height;
3070 frame_pix_fmt = enc->pix_fmt;
3071 rfps = ic->streams[i]->r_frame_rate.num;
3072 rfps_base = ic->streams[i]->r_frame_rate.den;
3073 if(enc->lowres) {
3074 enc->flags |= CODEC_FLAG_EMU_EDGE;
3075 frame_height >>= enc->lowres;
3076 frame_width >>= enc->lowres;
3077 }
3078 if(me_threshold)
3079 enc->debug |= FF_DEBUG_MV;
3080
3081 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3082
3083 if (verbose >= 0)
3084 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3085 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3086
3087 (float)rfps / rfps_base, rfps, rfps_base);
3088 }
3089 /* update the current frame rate to match the stream frame rate */
3090 frame_rate.num = rfps;
3091 frame_rate.den = rfps_base;
3092
3093 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3094 if(video_disable)
3095 st->discard= AVDISCARD_ALL;
3096 else if(video_discard)
3097 st->discard= video_discard;
3098 break;
3099 case AVMEDIA_TYPE_DATA:
3100 break;
3101 case AVMEDIA_TYPE_SUBTITLE:
3102 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3103 if(subtitle_disable)
3104 st->discard = AVDISCARD_ALL;
3105 break;
3106 case AVMEDIA_TYPE_ATTACHMENT:
3107 case AVMEDIA_TYPE_UNKNOWN:
3108 nb_icodecs++;
3109 break;
3110 default:
3111 abort();
3112 }
3113 }
3114
3115 input_files[nb_input_files] = ic;
3116 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3117 /* dump the file content */
3118 if (verbose >= 0)
3119 dump_format(ic, nb_input_files, filename, 0);
3120
3121 nb_input_files++;
3122
3123 video_channel = 0;
3124
3125 av_freep(&video_codec_name);
3126 av_freep(&audio_codec_name);
3127 av_freep(&subtitle_codec_name);
3128 }
3129
3130 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3131 int *has_subtitle_ptr)
3132 {
3133 int has_video, has_audio, has_subtitle, i, j;
3134 AVFormatContext *ic;
3135
3136 has_video = 0;
3137 has_audio = 0;
3138 has_subtitle = 0;
3139 for(j=0;j<nb_input_files;j++) {
3140 ic = input_files[j];
3141 for(i=0;i<ic->nb_streams;i++) {
3142 AVCodecContext *enc = ic->streams[i]->codec;
3143 switch(enc->codec_type) {
3144 case AVMEDIA_TYPE_AUDIO:
3145 has_audio = 1;
3146 break;
3147 case AVMEDIA_TYPE_VIDEO:
3148 has_video = 1;
3149 break;
3150 case AVMEDIA_TYPE_SUBTITLE:
3151 has_subtitle = 1;
3152 break;
3153 case AVMEDIA_TYPE_DATA:
3154 case AVMEDIA_TYPE_ATTACHMENT:
3155 case AVMEDIA_TYPE_UNKNOWN:
3156 break;
3157 default:
3158 abort();
3159 }
3160 }
3161 }
3162 *has_video_ptr = has_video;
3163 *has_audio_ptr = has_audio;
3164 *has_subtitle_ptr = has_subtitle;
3165 }
3166
3167 static void new_video_stream(AVFormatContext *oc)
3168 {
3169 AVStream *st;
3170 AVCodecContext *video_enc;
3171 enum CodecID codec_id;
3172
3173 st = av_new_stream(oc, oc->nb_streams);
3174 if (!st) {
3175 fprintf(stderr, "Could not alloc stream\n");
3176 av_exit(1);
3177 }
3178 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3179 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3180 video_bitstream_filters= NULL;
3181
3182 avcodec_thread_init(st->codec, thread_count);
3183
3184 video_enc = st->codec;
3185
3186 if(video_codec_tag)
3187 video_enc->codec_tag= video_codec_tag;
3188
3189 if( (video_global_header&1)
3190 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3191 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3192 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3193 }
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