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Fix typo.
[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 st->codec->sample_rate= best;
502 }
503 }
504
505 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
506 {
507 if(codec && codec->pix_fmts){
508 const enum PixelFormat *p= codec->pix_fmts;
509 for(; *p!=-1; p++){
510 if(*p == st->codec->pix_fmt)
511 break;
512 }
513 if(*p == -1
514 && !( st->codec->codec_id==CODEC_ID_MJPEG
515 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
516 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
517 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
518 st->codec->pix_fmt = codec->pix_fmts[0];
519 }
520 }
521
522 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
523 {
524 int i, err;
525 AVFormatContext *ic;
526 int nopts = 0;
527
528 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
529 if (err < 0)
530 return err;
531 /* copy stream format */
532 s->nb_streams = ic->nb_streams;
533 for(i=0;i<ic->nb_streams;i++) {
534 AVStream *st;
535 AVCodec *codec;
536
537 // FIXME: a more elegant solution is needed
538 st = av_mallocz(sizeof(AVStream));
539 memcpy(st, ic->streams[i], sizeof(AVStream));
540 st->codec = avcodec_alloc_context();
541 if (!st->codec) {
542 print_error(filename, AVERROR(ENOMEM));
543 av_exit(1);
544 }
545 avcodec_copy_context(st->codec, ic->streams[i]->codec);
546 s->streams[i] = st;
547
548 codec = avcodec_find_encoder(st->codec->codec_id);
549 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
550 if (audio_stream_copy) {
551 st->stream_copy = 1;
552 } else
553 choose_sample_fmt(st, codec);
554 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
555 if (video_stream_copy) {
556 st->stream_copy = 1;
557 } else
558 choose_pixel_fmt(st, codec);
559 }
560
561 if(!st->codec->thread_count)
562 st->codec->thread_count = 1;
563 if(st->codec->thread_count>1)
564 avcodec_thread_init(st->codec, st->codec->thread_count);
565
566 if(st->codec->flags & CODEC_FLAG_BITEXACT)
567 nopts = 1;
568 }
569
570 if (!nopts)
571 s->timestamp = av_gettime();
572
573 av_close_input_file(ic);
574 return 0;
575 }
576
577 static double
578 get_sync_ipts(const AVOutputStream *ost)
579 {
580 const AVInputStream *ist = ost->sync_ist;
581 return (double)(ist->pts - start_time)/AV_TIME_BASE;
582 }
583
584 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
585 int ret;
586
587 while(bsfc){
588 AVPacket new_pkt= *pkt;
589 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
590 &new_pkt.data, &new_pkt.size,
591 pkt->data, pkt->size,
592 pkt->flags & AV_PKT_FLAG_KEY);
593 if(a>0){
594 av_free_packet(pkt);
595 new_pkt.destruct= av_destruct_packet;
596 } else if(a<0){
597 fprintf(stderr, "%s failed for stream %d, codec %s",
598 bsfc->filter->name, pkt->stream_index,
599 avctx->codec ? avctx->codec->name : "copy");
600 print_error("", a);
601 if (exit_on_error)
602 av_exit(1);
603 }
604 *pkt= new_pkt;
605
606 bsfc= bsfc->next;
607 }
608
609 ret= av_interleaved_write_frame(s, pkt);
610 if(ret < 0){
611 print_error("av_interleaved_write_frame()", ret);
612 av_exit(1);
613 }
614 }
615
616 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
617
618 static void do_audio_out(AVFormatContext *s,
619 AVOutputStream *ost,
620 AVInputStream *ist,
621 unsigned char *buf, int size)
622 {
623 uint8_t *buftmp;
624 int64_t audio_out_size, audio_buf_size;
625 int64_t allocated_for_size= size;
626
627 int size_out, frame_bytes, ret;
628 AVCodecContext *enc= ost->st->codec;
629 AVCodecContext *dec= ist->st->codec;
630 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
631 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
632 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
633
634 need_realloc:
635 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
636 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
637 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
638 audio_buf_size*= osize*enc->channels;
639
640 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
641 if(coded_bps > 8*osize)
642 audio_out_size= audio_out_size * coded_bps / (8*osize);
643 audio_out_size += FF_MIN_BUFFER_SIZE;
644
645 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
646 fprintf(stderr, "Buffer sizes too large\n");
647 av_exit(1);
648 }
649
650 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
651 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
652 if (!audio_buf || !audio_out){
653 fprintf(stderr, "Out of memory in do_audio_out\n");
654 av_exit(1);
655 }
656
657 if (enc->channels != dec->channels)
658 ost->audio_resample = 1;
659
660 if (ost->audio_resample && !ost->resample) {
661 if (dec->sample_fmt != SAMPLE_FMT_S16)
662 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
663 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
664 enc->sample_rate, dec->sample_rate,
665 enc->sample_fmt, dec->sample_fmt,
666 16, 10, 0, 0.8);
667 if (!ost->resample) {
668 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
669 dec->channels, dec->sample_rate,
670 enc->channels, enc->sample_rate);
671 av_exit(1);
672 }
673 }
674
675 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
676 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
677 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
678 if (ost->reformat_ctx)
679 av_audio_convert_free(ost->reformat_ctx);
680 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
681 dec->sample_fmt, 1, NULL, 0);
682 if (!ost->reformat_ctx) {
683 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
684 avcodec_get_sample_fmt_name(dec->sample_fmt),
685 avcodec_get_sample_fmt_name(enc->sample_fmt));
686 av_exit(1);
687 }
688 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
689 }
690
691 if(audio_sync_method){
692 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
693 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
694 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
695 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
696
697 //FIXME resample delay
698 if(fabs(delta) > 50){
699 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
700 if(byte_delta < 0){
701 byte_delta= FFMAX(byte_delta, -size);
702 size += byte_delta;
703 buf -= byte_delta;
704 if(verbose > 2)
705 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
706 if(!size)
707 return;
708 ist->is_start=0;
709 }else{
710 static uint8_t *input_tmp= NULL;
711 input_tmp= av_realloc(input_tmp, byte_delta + size);
712
713 if(byte_delta > allocated_for_size - size){
714 allocated_for_size= byte_delta + (int64_t)size;
715 goto need_realloc;
716 }
717 ist->is_start=0;
718
719 memset(input_tmp, 0, byte_delta);
720 memcpy(input_tmp + byte_delta, buf, size);
721 buf= input_tmp;
722 size += byte_delta;
723 if(verbose > 2)
724 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
725 }
726 }else if(audio_sync_method>1){
727 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
728 assert(ost->audio_resample);
729 if(verbose > 2)
730 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
731 // 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));
732 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
733 }
734 }
735 }else
736 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
737 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
738
739 if (ost->audio_resample) {
740 buftmp = audio_buf;
741 size_out = audio_resample(ost->resample,
742 (short *)buftmp, (short *)buf,
743 size / (ist->st->codec->channels * isize));
744 size_out = size_out * enc->channels * osize;
745 } else {
746 buftmp = buf;
747 size_out = size;
748 }
749
750 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
751 const void *ibuf[6]= {buftmp};
752 void *obuf[6]= {audio_buf};
753 int istride[6]= {isize};
754 int ostride[6]= {osize};
755 int len= size_out/istride[0];
756 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
757 printf("av_audio_convert() failed\n");
758 if (exit_on_error)
759 av_exit(1);
760 return;
761 }
762 buftmp = audio_buf;
763 size_out = len*osize;
764 }
765
766 /* now encode as many frames as possible */
767 if (enc->frame_size > 1) {
768 /* output resampled raw samples */
769 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
770 fprintf(stderr, "av_fifo_realloc2() failed\n");
771 av_exit(1);
772 }
773 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
774
775 frame_bytes = enc->frame_size * osize * enc->channels;
776
777 while (av_fifo_size(ost->fifo) >= frame_bytes) {
778 AVPacket pkt;
779 av_init_packet(&pkt);
780
781 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
782
783 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
784
785 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
786 (short *)audio_buf);
787 if (ret < 0) {
788 fprintf(stderr, "Audio encoding failed\n");
789 av_exit(1);
790 }
791 audio_size += ret;
792 pkt.stream_index= ost->index;
793 pkt.data= audio_out;
794 pkt.size= ret;
795 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
796 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
797 pkt.flags |= AV_PKT_FLAG_KEY;
798 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
799
800 ost->sync_opts += enc->frame_size;
801 }
802 } else {
803 AVPacket pkt;
804 av_init_packet(&pkt);
805
806 ost->sync_opts += size_out / (osize * enc->channels);
807
808 /* output a pcm frame */
809 /* determine the size of the coded buffer */
810 size_out /= osize;
811 if (coded_bps)
812 size_out = size_out*coded_bps/8;
813
814 if(size_out > audio_out_size){
815 fprintf(stderr, "Internal error, buffer size too small\n");
816 av_exit(1);
817 }
818
819 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
820 ret = avcodec_encode_audio(enc, audio_out, size_out,
821 (short *)buftmp);
822 if (ret < 0) {
823 fprintf(stderr, "Audio encoding failed\n");
824 av_exit(1);
825 }
826 audio_size += ret;
827 pkt.stream_index= ost->index;
828 pkt.data= audio_out;
829 pkt.size= ret;
830 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
831 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
832 pkt.flags |= AV_PKT_FLAG_KEY;
833 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
834 }
835 }
836
837 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
838 {
839 AVCodecContext *dec;
840 AVPicture *picture2;
841 AVPicture picture_tmp;
842 uint8_t *buf = 0;
843
844 dec = ist->st->codec;
845
846 /* deinterlace : must be done before any resize */
847 if (do_deinterlace) {
848 int size;
849
850 /* create temporary picture */
851 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
852 buf = av_malloc(size);
853 if (!buf)
854 return;
855
856 picture2 = &picture_tmp;
857 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
858
859 if(avpicture_deinterlace(picture2, picture,
860 dec->pix_fmt, dec->width, dec->height) < 0) {
861 /* if error, do not deinterlace */
862 fprintf(stderr, "Deinterlacing failed\n");
863 av_free(buf);
864 buf = NULL;
865 picture2 = picture;
866 }
867 } else {
868 picture2 = picture;
869 }
870
871 if (picture != picture2)
872 *picture = *picture2;
873 *bufp = buf;
874 }
875
876 /* we begin to correct av delay at this threshold */
877 #define AV_DELAY_MAX 0.100
878
879 static void do_subtitle_out(AVFormatContext *s,
880 AVOutputStream *ost,
881 AVInputStream *ist,
882 AVSubtitle *sub,
883 int64_t pts)
884 {
885 static uint8_t *subtitle_out = NULL;
886 int subtitle_out_max_size = 1024 * 1024;
887 int subtitle_out_size, nb, i;
888 AVCodecContext *enc;
889 AVPacket pkt;
890
891 if (pts == AV_NOPTS_VALUE) {
892 fprintf(stderr, "Subtitle packets must have a pts\n");
893 if (exit_on_error)
894 av_exit(1);
895 return;
896 }
897
898 enc = ost->st->codec;
899
900 if (!subtitle_out) {
901 subtitle_out = av_malloc(subtitle_out_max_size);
902 }
903
904 /* Note: DVB subtitle need one packet to draw them and one other
905 packet to clear them */
906 /* XXX: signal it in the codec context ? */
907 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
908 nb = 2;
909 else
910 nb = 1;
911
912 for(i = 0; i < nb; i++) {
913 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
914 // start_display_time is required to be 0
915 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
916 sub->end_display_time -= sub->start_display_time;
917 sub->start_display_time = 0;
918 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
919 subtitle_out_max_size, sub);
920 if (subtitle_out_size < 0) {
921 fprintf(stderr, "Subtitle encoding failed\n");
922 av_exit(1);
923 }
924
925 av_init_packet(&pkt);
926 pkt.stream_index = ost->index;
927 pkt.data = subtitle_out;
928 pkt.size = subtitle_out_size;
929 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
930 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
931 /* XXX: the pts correction is handled here. Maybe handling
932 it in the codec would be better */
933 if (i == 0)
934 pkt.pts += 90 * sub->start_display_time;
935 else
936 pkt.pts += 90 * sub->end_display_time;
937 }
938 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
939 }
940 }
941
942 static int bit_buffer_size= 1024*256;
943 static uint8_t *bit_buffer= NULL;
944
945 static void do_video_out(AVFormatContext *s,
946 AVOutputStream *ost,
947 AVInputStream *ist,
948 AVFrame *in_picture,
949 int *frame_size)
950 {
951 int nb_frames, i, ret;
952 int64_t topBand, bottomBand, leftBand, rightBand;
953 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
954 AVFrame picture_crop_temp, picture_pad_temp;
955 AVCodecContext *enc, *dec;
956 double sync_ipts;
957
958 avcodec_get_frame_defaults(&picture_crop_temp);
959 avcodec_get_frame_defaults(&picture_pad_temp);
960
961 enc = ost->st->codec;
962 dec = ist->st->codec;
963
964 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
965
966 /* by default, we output a single frame */
967 nb_frames = 1;
968
969 *frame_size = 0;
970
971 if(video_sync_method){
972 double vdelta = sync_ipts - ost->sync_opts;
973 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
974 if (vdelta < -1.1)
975 nb_frames = 0;
976 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
977 if(vdelta<=-0.6){
978 nb_frames=0;
979 }else if(vdelta>0.6)
980 ost->sync_opts= lrintf(sync_ipts);
981 }else if (vdelta > 1.1)
982 nb_frames = lrintf(vdelta);
983 //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);
984 if (nb_frames == 0){
985 ++nb_frames_drop;
986 if (verbose>2)
987 fprintf(stderr, "*** drop!\n");
988 }else if (nb_frames > 1) {
989 nb_frames_dup += nb_frames - 1;
990 if (verbose>2)
991 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
992 }
993 }else
994 ost->sync_opts= lrintf(sync_ipts);
995
996 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
997 if (nb_frames <= 0)
998 return;
999
1000 if (ost->video_crop) {
1001 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1002 fprintf(stderr, "error cropping picture\n");
1003 if (exit_on_error)
1004 av_exit(1);
1005 return;
1006 }
1007 formatted_picture = &picture_crop_temp;
1008 } else {
1009 formatted_picture = in_picture;
1010 }
1011
1012 final_picture = formatted_picture;
1013 padding_src = formatted_picture;
1014 resampling_dst = &ost->pict_tmp;
1015 if (ost->video_pad) {
1016 final_picture = &ost->pict_tmp;
1017 if (ost->video_resample) {
1018 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
1019 fprintf(stderr, "error padding picture\n");
1020 if (exit_on_error)
1021 av_exit(1);
1022 return;
1023 }
1024 resampling_dst = &picture_pad_temp;
1025 }
1026 }
1027
1028 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1029 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1030 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1031
1032 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));
1033 if(!ost->video_resample)
1034 av_exit(1);
1035 }
1036
1037 if (ost->video_resample) {
1038 padding_src = NULL;
1039 final_picture = &ost->pict_tmp;
1040 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1041 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1042 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1043
1044 /* keep bands proportional to the frame size */
1045 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1046 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1047 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1048 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1049
1050 /* sanity check to ensure no bad band sizes sneak in */
1051 assert(topBand <= INT_MAX && topBand >= 0);
1052 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1053 assert(leftBand <= INT_MAX && leftBand >= 0);
1054 assert(rightBand <= INT_MAX && rightBand >= 0);
1055
1056 ost->topBand = topBand;
1057 ost->bottomBand = bottomBand;
1058 ost->leftBand = leftBand;
1059 ost->rightBand = rightBand;
1060
1061 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1062 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1063 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1064
1065 /* initialize a new scaler context */
1066 sws_freeContext(ost->img_resample_ctx);
1067 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1068 ost->img_resample_ctx = sws_getContext(
1069 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1070 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1071 ist->st->codec->pix_fmt,
1072 ost->st->codec->width - (ost->padleft + ost->padright),
1073 ost->st->codec->height - (ost->padtop + ost->padbottom),
1074 ost->st->codec->pix_fmt,
1075 sws_flags, NULL, NULL, NULL);
1076 if (ost->img_resample_ctx == NULL) {
1077 fprintf(stderr, "Cannot get resampling context\n");
1078 av_exit(1);
1079 }
1080 }
1081 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1082 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1083 }
1084
1085 if (ost->video_pad) {
1086 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1087 enc->height, enc->width, enc->pix_fmt,
1088 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1089 }
1090
1091 /* duplicates frame if needed */
1092 for(i=0;i<nb_frames;i++) {
1093 AVPacket pkt;
1094 av_init_packet(&pkt);
1095 pkt.stream_index= ost->index;
1096
1097 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1098 /* raw pictures are written as AVPicture structure to
1099 avoid any copies. We support temorarily the older
1100 method. */
1101 AVFrame* old_frame = enc->coded_frame;
1102 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1103 pkt.data= (uint8_t *)final_picture;
1104 pkt.size= sizeof(AVPicture);
1105 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1106 pkt.flags |= AV_PKT_FLAG_KEY;
1107
1108 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1109 enc->coded_frame = old_frame;
1110 } else {
1111 AVFrame big_picture;
1112
1113 big_picture= *final_picture;
1114 /* better than nothing: use input picture interlaced
1115 settings */
1116 big_picture.interlaced_frame = in_picture->interlaced_frame;
1117 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1118 if(top_field_first == -1)
1119 big_picture.top_field_first = in_picture->top_field_first;
1120 else
1121 big_picture.top_field_first = top_field_first;
1122 }
1123
1124 /* handles sameq here. This is not correct because it may
1125 not be a global option */
1126 if (same_quality) {
1127 big_picture.quality = ist->st->quality;
1128 }else
1129 big_picture.quality = ost->st->quality;
1130 if(!me_threshold)
1131 big_picture.pict_type = 0;
1132 // big_picture.pts = AV_NOPTS_VALUE;
1133 big_picture.pts= ost->sync_opts;
1134 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1135 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1136 ret = avcodec_encode_video(enc,
1137 bit_buffer, bit_buffer_size,
1138 &big_picture);
1139 if (ret < 0) {
1140 fprintf(stderr, "Video encoding failed\n");
1141 av_exit(1);
1142 }
1143
1144 if(ret>0){
1145 pkt.data= bit_buffer;
1146 pkt.size= ret;
1147 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1148 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1149 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1150 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1151 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1152
1153 if(enc->coded_frame->key_frame)
1154 pkt.flags |= AV_PKT_FLAG_KEY;
1155 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1156 *frame_size = ret;
1157 video_size += ret;
1158 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1159 // enc->frame_number-1, ret, enc->pict_type);
1160 /* if two pass, output log */
1161 if (ost->logfile && enc->stats_out) {
1162 fprintf(ost->logfile, "%s", enc->stats_out);
1163 }
1164 }
1165 }
1166 ost->sync_opts++;
1167 ost->frame_number++;
1168 }
1169 }
1170
1171 static double psnr(double d){
1172 return -10.0*log(d)/log(10.0);
1173 }
1174
1175 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1176 int frame_size)
1177 {
1178 AVCodecContext *enc;
1179 int frame_number;
1180 double ti1, bitrate, avg_bitrate;
1181
1182 /* this is executed just the first time do_video_stats is called */
1183 if (!vstats_file) {
1184 vstats_file = fopen(vstats_filename, "w");
1185 if (!vstats_file) {
1186 perror("fopen");
1187 av_exit(1);
1188 }
1189 }
1190
1191 enc = ost->st->codec;
1192 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1193 frame_number = ost->frame_number;
1194 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1195 if (enc->flags&CODEC_FLAG_PSNR)
1196 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1197
1198 fprintf(vstats_file,"f_size= %6d ", frame_size);
1199 /* compute pts value */
1200 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1201 if (ti1 < 0.01)
1202 ti1 = 0.01;
1203
1204 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1205 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1206 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1207 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1208 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1209 }
1210 }
1211
1212 static void print_report(AVFormatContext **output_files,
1213 AVOutputStream **ost_table, int nb_ostreams,
1214 int is_last_report)
1215 {
1216 char buf[1024];
1217 AVOutputStream *ost;
1218 AVFormatContext *oc;
1219 int64_t total_size;
1220 AVCodecContext *enc;
1221 int frame_number, vid, i;
1222 double bitrate, ti1, pts;
1223 static int64_t last_time = -1;
1224 static int qp_histogram[52];
1225
1226 if (!is_last_report) {
1227 int64_t cur_time;
1228 /* display the report every 0.5 seconds */
1229 cur_time = av_gettime();
1230 if (last_time == -1) {
1231 last_time = cur_time;
1232 return;
1233 }
1234 if ((cur_time - last_time) < 500000)
1235 return;
1236 last_time = cur_time;
1237 }
1238
1239
1240 oc = output_files[0];
1241
1242 total_size = url_fsize(oc->pb);
1243 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1244 total_size= url_ftell(oc->pb);
1245
1246 buf[0] = '\0';
1247 ti1 = 1e10;
1248 vid = 0;
1249 for(i=0;i<nb_ostreams;i++) {
1250 ost = ost_table[i];
1251 enc = ost->st->codec;
1252 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1253 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1254 !ost->st->stream_copy ?
1255 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1256 }
1257 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1258 float t = (av_gettime()-timer_start) / 1000000.0;
1259
1260 frame_number = ost->frame_number;
1261 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1262 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1263 !ost->st->stream_copy ?
1264 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1265 if(is_last_report)
1266 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1267 if(qp_hist){
1268 int j;
1269 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1270 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1271 qp_histogram[qp]++;
1272 for(j=0; j<32; j++)
1273 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1274 }
1275 if (enc->flags&CODEC_FLAG_PSNR){
1276 int j;
1277 double error, error_sum=0;
1278 double scale, scale_sum=0;
1279 char type[3]= {'Y','U','V'};
1280 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1281 for(j=0; j<3; j++){
1282 if(is_last_report){
1283 error= enc->error[j];
1284 scale= enc->width*enc->height*255.0*255.0*frame_number;
1285 }else{
1286 error= enc->coded_frame->error[j];
1287 scale= enc->width*enc->height*255.0*255.0;
1288 }
1289 if(j) scale/=4;
1290 error_sum += error;
1291 scale_sum += scale;
1292 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1293 }
1294 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1295 }
1296 vid = 1;
1297 }
1298 /* compute min output value */
1299 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1300 if ((pts < ti1) && (pts > 0))
1301 ti1 = pts;
1302 }
1303 if (ti1 < 0.01)
1304 ti1 = 0.01;
1305
1306 if (verbose || is_last_report) {
1307 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1308
1309 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1310 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1311 (double)total_size / 1024, ti1, bitrate);
1312
1313 if (nb_frames_dup || nb_frames_drop)
1314 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1315 nb_frames_dup, nb_frames_drop);
1316
1317 if (verbose >= 0)
1318 fprintf(stderr, "%s \r", buf);
1319
1320 fflush(stderr);
1321 }
1322
1323 if (is_last_report && verbose >= 0){
1324 int64_t raw= audio_size + video_size + extra_size;
1325 fprintf(stderr, "\n");
1326 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1327 video_size/1024.0,
1328 audio_size/1024.0,
1329 extra_size/1024.0,
1330 100.0*(total_size - raw)/raw
1331 );
1332 }
1333 }
1334
1335 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1336 static int output_packet(AVInputStream *ist, int ist_index,
1337 AVOutputStream **ost_table, int nb_ostreams,
1338 const AVPacket *pkt)
1339 {
1340 AVFormatContext *os;
1341 AVOutputStream *ost;
1342 int ret, i;
1343 int got_picture;
1344 AVFrame picture;
1345 void *buffer_to_free;
1346 static unsigned int samples_size= 0;
1347 AVSubtitle subtitle, *subtitle_to_free;
1348 int got_subtitle;
1349 AVPacket avpkt;
1350 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1351
1352 if(ist->next_pts == AV_NOPTS_VALUE)
1353 ist->next_pts= ist->pts;
1354
1355 if (pkt == NULL) {
1356 /* EOF handling */
1357 av_init_packet(&avpkt);
1358 avpkt.data = NULL;
1359 avpkt.size = 0;
1360 goto handle_eof;
1361 } else {
1362 avpkt = *pkt;
1363 }
1364
1365 if(pkt->dts != AV_NOPTS_VALUE)
1366 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1367
1368 //while we have more to decode or while the decoder did output something on EOF
1369 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1370 uint8_t *data_buf, *decoded_data_buf;
1371 int data_size, decoded_data_size;
1372 handle_eof:
1373 ist->pts= ist->next_pts;
1374
1375 if(avpkt.size && avpkt.size != pkt->size &&
1376 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1377 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1378 ist->showed_multi_packet_warning=1;
1379 }
1380
1381 /* decode the packet if needed */
1382 decoded_data_buf = NULL; /* fail safe */
1383 decoded_data_size= 0;
1384 data_buf = avpkt.data;
1385 data_size = avpkt.size;
1386 subtitle_to_free = NULL;
1387 if (ist->decoding_needed) {
1388 switch(ist->st->codec->codec_type) {
1389 case AVMEDIA_TYPE_AUDIO:{
1390 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1391 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1392 av_free(samples);
1393 samples= av_malloc(samples_size);
1394 }
1395 decoded_data_size= samples_size;
1396 /* XXX: could avoid copy if PCM 16 bits with same
1397 endianness as CPU */
1398 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1399 &avpkt);
1400 if (ret < 0)
1401 goto fail_decode;
1402 avpkt.data += ret;
1403 avpkt.size -= ret;
1404 data_size = ret;
1405 /* Some bug in mpeg audio decoder gives */
1406 /* decoded_data_size < 0, it seems they are overflows */
1407 if (decoded_data_size <= 0) {
1408 /* no audio frame */
1409 continue;
1410 }
1411 decoded_data_buf = (uint8_t *)samples;
1412 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1413 (ist->st->codec->sample_rate * ist->st->codec->channels);
1414 break;}
1415 case AVMEDIA_TYPE_VIDEO:
1416 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1417 /* XXX: allocate picture correctly */
1418 avcodec_get_frame_defaults(&picture);
1419
1420 ret = avcodec_decode_video2(ist->st->codec,
1421 &picture, &got_picture, &avpkt);
1422 ist->st->quality= picture.quality;
1423 if (ret < 0)
1424 goto fail_decode;
1425 if (!got_picture) {
1426 /* no picture yet */
1427 goto discard_packet;
1428 }
1429 if (ist->st->codec->time_base.num != 0) {
1430 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1431 ist->next_pts += ((int64_t)AV_TIME_BASE *
1432 ist->st->codec->time_base.num * ticks) /
1433 ist->st->codec->time_base.den;
1434 }
1435 avpkt.size = 0;
1436 break;
1437 case AVMEDIA_TYPE_SUBTITLE:
1438 ret = avcodec_decode_subtitle2(ist->st->codec,
1439 &subtitle, &got_subtitle, &avpkt);
1440 if (ret < 0)
1441 goto fail_decode;
1442 if (!got_subtitle) {
1443 goto discard_packet;
1444 }
1445 subtitle_to_free = &subtitle;
1446 avpkt.size = 0;
1447 break;
1448 default:
1449 goto fail_decode;
1450 }
1451 } else {
1452 switch(ist->st->codec->codec_type) {
1453 case AVMEDIA_TYPE_AUDIO:
1454 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1455 ist->st->codec->sample_rate;
1456 break;
1457 case AVMEDIA_TYPE_VIDEO:
1458 if (ist->st->codec->time_base.num != 0) {
1459 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1460 ist->next_pts += ((int64_t)AV_TIME_BASE *
1461 ist->st->codec->time_base.num * ticks) /
1462 ist->st->codec->time_base.den;
1463 }
1464 break;
1465 }
1466 ret = avpkt.size;
1467 avpkt.size = 0;
1468 }
1469
1470 buffer_to_free = NULL;
1471 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1472 pre_process_video_frame(ist, (AVPicture *)&picture,
1473 &buffer_to_free);
1474 }
1475
1476 // preprocess audio (volume)
1477 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1478 if (audio_volume != 256) {
1479 short *volp;
1480 volp = samples;
1481 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1482 int v = ((*volp) * audio_volume + 128) >> 8;
1483 if (v < -32768) v = -32768;
1484 if (v > 32767) v = 32767;
1485 *volp++ = v;
1486 }
1487 }
1488 }
1489
1490 /* frame rate emulation */
1491 if (rate_emu) {
1492 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1493 int64_t now = av_gettime() - ist->start;
1494 if (pts > now)
1495 usleep(pts - now);
1496 }
1497
1498 /* if output time reached then transcode raw format,
1499 encode packets and output them */
1500 if (start_time == 0 || ist->pts >= start_time)
1501 for(i=0;i<nb_ostreams;i++) {
1502 int frame_size;
1503
1504 ost = ost_table[i];
1505 if (ost->source_index == ist_index) {
1506 os = output_files[ost->file_index];
1507
1508 /* set the input output pts pairs */
1509 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1510
1511 if (ost->encoding_needed) {
1512 assert(ist->decoding_needed);
1513 switch(ost->st->codec->codec_type) {
1514 case AVMEDIA_TYPE_AUDIO:
1515 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1516 break;
1517 case AVMEDIA_TYPE_VIDEO:
1518 do_video_out(os, ost, ist, &picture, &frame_size);
1519 if (vstats_filename && frame_size)
1520 do_video_stats(os, ost, frame_size);
1521 break;
1522 case AVMEDIA_TYPE_SUBTITLE:
1523 do_subtitle_out(os, ost, ist, &subtitle,
1524 pkt->pts);
1525 break;
1526 default:
1527 abort();
1528 }
1529 } else {
1530 AVFrame avframe; //FIXME/XXX remove this
1531 AVPacket opkt;
1532 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1533
1534 av_init_packet(&opkt);
1535
1536 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1537 continue;
1538
1539 /* no reencoding needed : output the packet directly */
1540 /* force the input stream PTS */
1541
1542 avcodec_get_frame_defaults(&avframe);
1543 ost->st->codec->coded_frame= &avframe;
1544 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1545
1546 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1547 audio_size += data_size;
1548 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1549 video_size += data_size;
1550 ost->sync_opts++;
1551 }
1552
1553 opkt.stream_index= ost->index;
1554 if(pkt->pts != AV_NOPTS_VALUE)
1555 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1556 else
1557 opkt.pts= AV_NOPTS_VALUE;
1558
1559 if (pkt->dts == AV_NOPTS_VALUE)
1560 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1561 else
1562 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1563 opkt.dts -= ost_tb_start_time;
1564
1565 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1566 opkt.flags= pkt->flags;
1567
1568 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1569 if( ost->st->codec->codec_id != CODEC_ID_H264
1570 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1571 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1572 ) {
1573 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1574 opkt.destruct= av_destruct_packet;
1575 } else {
1576 opkt.data = data_buf;
1577 opkt.size = data_size;
1578 }
1579
1580 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1581 ost->st->codec->frame_number++;
1582 ost->frame_number++;
1583 av_free_packet(&opkt);
1584 }
1585 }
1586 }
1587 av_free(buffer_to_free);
1588 /* XXX: allocate the subtitles in the codec ? */
1589 if (subtitle_to_free) {
1590 if (subtitle_to_free->rects != NULL) {
1591 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1592 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1593 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1594 av_freep(&subtitle_to_free->rects[i]);
1595 }
1596 av_freep(&subtitle_to_free->rects);
1597 }
1598 subtitle_to_free->num_rects = 0;
1599 subtitle_to_free = NULL;
1600 }
1601 }
1602 discard_packet:
1603 if (pkt == NULL) {
1604 /* EOF handling */
1605
1606 for(i=0;i<nb_ostreams;i++) {
1607 ost = ost_table[i];
1608 if (ost->source_index == ist_index) {
1609 AVCodecContext *enc= ost->st->codec;
1610 os = output_files[ost->file_index];
1611
1612 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1613 continue;
1614 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1615 continue;
1616
1617 if (ost->encoding_needed) {
1618 for(;;) {
1619 AVPacket pkt;
1620 int fifo_bytes;
1621 av_init_packet(&pkt);
1622 pkt.stream_index= ost->index;
1623
1624 switch(ost->st->codec->codec_type) {
1625 case AVMEDIA_TYPE_AUDIO:
1626 fifo_bytes = av_fifo_size(ost->fifo);
1627 ret = 0;
1628 /* encode any samples remaining in fifo */
1629 if (fifo_bytes > 0) {
1630 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1631 int fs_tmp = enc->frame_size;
1632
1633 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1634 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1635 enc->frame_size = fifo_bytes / (osize * enc->channels);
1636 } else { /* pad */
1637 int frame_bytes = enc->frame_size*osize*enc->channels;
1638 if (samples_size < frame_bytes)
1639 av_exit(1);
1640 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1641 }
1642
1643 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1644 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1645 ost->st->time_base.num, enc->sample_rate);
1646 enc->frame_size = fs_tmp;
1647 }
1648 if(ret <= 0) {
1649 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1650 }
1651 if (ret < 0) {
1652 fprintf(stderr, "Audio encoding failed\n");
1653 av_exit(1);
1654 }
1655 audio_size += ret;
1656 pkt.flags |= AV_PKT_FLAG_KEY;
1657 break;
1658 case AVMEDIA_TYPE_VIDEO:
1659 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1660 if (ret < 0) {
1661 fprintf(stderr, "Video encoding failed\n");
1662 av_exit(1);
1663 }
1664 video_size += ret;
1665 if(enc->coded_frame && enc->coded_frame->key_frame)
1666 pkt.flags |= AV_PKT_FLAG_KEY;
1667 if (ost->logfile && enc->stats_out) {
1668 fprintf(ost->logfile, "%s", enc->stats_out);
1669 }
1670 break;
1671 default:
1672 ret=-1;
1673 }
1674
1675 if(ret<=0)
1676 break;
1677 pkt.data= bit_buffer;
1678 pkt.size= ret;
1679 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1680 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1681 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1682 }
1683 }
1684 }
1685 }
1686 }
1687
1688 return 0;
1689 fail_decode:
1690 return -1;
1691 }
1692
1693 static void print_sdp(AVFormatContext **avc, int n)
1694 {
1695 char sdp[2048];
1696
1697 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1698 printf("SDP:\n%s\n", sdp);
1699 fflush(stdout);
1700 }
1701
1702 static int copy_chapters(int infile, int outfile)
1703 {
1704 AVFormatContext *is = input_files[infile];
1705 AVFormatContext *os = output_files[outfile];
1706 int i;
1707
1708 for (i = 0; i < is->nb_chapters; i++) {
1709 AVChapter *in_ch = is->chapters[i], *out_ch;
1710 AVMetadataTag *t = NULL;
1711 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1712 AV_TIME_BASE_Q, in_ch->time_base);
1713 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1714 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1715
1716
1717 if (in_ch->end < ts_off)
1718 continue;
1719 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1720 break;
1721
1722 out_ch = av_mallocz(sizeof(AVChapter));
1723 if (!out_ch)
1724 return AVERROR(ENOMEM);
1725
1726 out_ch->id = in_ch->id;
1727 out_ch->time_base = in_ch->time_base;
1728 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1729 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1730
1731 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1732 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1733
1734 os->nb_chapters++;
1735 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1736 if (!os->chapters)
1737 return AVERROR(ENOMEM);
1738 os->chapters[os->nb_chapters - 1] = out_ch;
1739 }
1740 return 0;
1741 }
1742
1743 /*
1744 * The following code is the main loop of the file converter
1745 */
1746 static int av_transcode(AVFormatContext **output_files,
1747 int nb_output_files,
1748 AVFormatContext **input_files,
1749 int nb_input_files,
1750 AVStreamMap *stream_maps, int nb_stream_maps)
1751 {
1752 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1753 AVFormatContext *is, *os;
1754 AVCodecContext *codec, *icodec;
1755 AVOutputStream *ost, **ost_table = NULL;
1756 AVInputStream *ist, **ist_table = NULL;
1757 AVInputFile *file_table;
1758 char error[1024];
1759 int key;
1760 int want_sdp = 1;
1761 uint8_t no_packet[MAX_FILES]={0};
1762 int no_packet_count=0;
1763
1764 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1765 if (!file_table)
1766 goto fail;
1767
1768 /* input stream init */
1769 j = 0;
1770 for(i=0;i<nb_input_files;i++) {
1771 is = input_files[i];
1772 file_table[i].ist_index = j;
1773 file_table[i].nb_streams = is->nb_streams;
1774 j += is->nb_streams;
1775 }
1776 nb_istreams = j;
1777
1778 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1779 if (!ist_table)
1780 goto fail;
1781
1782 for(i=0;i<nb_istreams;i++) {
1783 ist = av_mallocz(sizeof(AVInputStream));
1784 if (!ist)
1785 goto fail;
1786 ist_table[i] = ist;
1787 }
1788 j = 0;
1789 for(i=0;i<nb_input_files;i++) {
1790 is = input_files[i];
1791 for(k=0;k<is->nb_streams;k++) {
1792 ist = ist_table[j++];
1793 ist->st = is->streams[k];
1794 ist->file_index = i;
1795 ist->index = k;
1796 ist->discard = 1; /* the stream is discarded by default
1797 (changed later) */
1798
1799 if (rate_emu) {
1800 ist->start = av_gettime();
1801 }
1802 }
1803 }
1804
1805 /* output stream init */
1806 nb_ostreams = 0;
1807 for(i=0;i<nb_output_files;i++) {
1808 os = output_files[i];
1809 if (!os->nb_streams) {
1810 dump_format(output_files[i], i, output_files[i]->filename, 1);
1811 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1812 av_exit(1);
1813 }
1814 nb_ostreams += os->nb_streams;
1815 }
1816 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1817 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1818 av_exit(1);
1819 }
1820
1821 /* Sanity check the mapping args -- do the input files & streams exist? */
1822 for(i=0;i<nb_stream_maps;i++) {
1823 int fi = stream_maps[i].file_index;
1824 int si = stream_maps[i].stream_index;
1825
1826 if (fi < 0 || fi > nb_input_files - 1 ||
1827 si < 0 || si > file_table[fi].nb_streams - 1) {
1828 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1829 av_exit(1);
1830 }
1831 fi = stream_maps[i].sync_file_index;
1832 si = stream_maps[i].sync_stream_index;
1833 if (fi < 0 || fi > nb_input_files - 1 ||
1834 si < 0 || si > file_table[fi].nb_streams - 1) {
1835 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1836 av_exit(1);
1837 }
1838 }
1839
1840 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1841 if (!ost_table)
1842 goto fail;
1843 for(i=0;i<nb_ostreams;i++) {
1844 ost = av_mallocz(sizeof(AVOutputStream));
1845 if (!ost)
1846 goto fail;
1847 ost_table[i] = ost;
1848 }
1849
1850 n = 0;
1851 for(k=0;k<nb_output_files;k++) {
1852 os = output_files[k];
1853 for(i=0;i<os->nb_streams;i++,n++) {
1854 int found;
1855 ost = ost_table[n];
1856 ost->file_index = k;
1857 ost->index = i;
1858 ost->st = os->streams[i];
1859 if (nb_stream_maps > 0) {
1860 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1861 stream_maps[n].stream_index;
1862
1863 /* Sanity check that the stream types match */
1864 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1865 int i= ost->file_index;
1866 dump_format(output_files[i], i, output_files[i]->filename, 1);
1867 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1868 stream_maps[n].file_index, stream_maps[n].stream_index,
1869 ost->file_index, ost->index);
1870 av_exit(1);
1871 }
1872
1873 } else {
1874 int best_nb_frames=-1;
1875 /* get corresponding input stream index : we select the first one with the right type */
1876 found = 0;
1877 for(j=0;j<nb_istreams;j++) {
1878 int skip=0;
1879 ist = ist_table[j];
1880 if(opt_programid){
1881 int pi,si;
1882 AVFormatContext *f= input_files[ ist->file_index ];
1883 skip=1;
1884 for(pi=0; pi<f->nb_programs; pi++){
1885 AVProgram *p= f->programs[pi];
1886 if(p->id == opt_programid)
1887 for(si=0; si<p->nb_stream_indexes; si++){
1888 if(f->streams[ p->stream_index[si] ] == ist->st)
1889 skip=0;
1890 }
1891 }
1892 }
1893 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
1894 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1895 if(best_nb_frames < ist->st->codec_info_nb_frames){
1896 best_nb_frames= ist->st->codec_info_nb_frames;
1897 ost->source_index = j;
1898 found = 1;
1899 }
1900 }
1901 }
1902
1903 if (!found) {
1904 if(! opt_programid) {
1905 /* try again and reuse existing stream */
1906 for(j=0;j<nb_istreams;j++) {
1907 ist = ist_table[j];
1908 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
1909 && ist->st->discard != AVDISCARD_ALL) {
1910 ost->source_index = j;
1911 found = 1;
1912 }
1913 }
1914 }
1915 if (!found) {
1916 int i= ost->file_index;
1917 dump_format(output_files[i], i, output_files[i]->filename, 1);
1918 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1919 ost->file_index, ost->index);
1920 av_exit(1);
1921 }
1922 }
1923 }
1924 ist = ist_table[ost->source_index];
1925 ist->discard = 0;
1926 ost->sync_ist = (nb_stream_maps > 0) ?
1927 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1928 stream_maps[n].sync_stream_index] : ist;
1929 }
1930 }
1931
1932 /* for each output stream, we compute the right encoding parameters */
1933 for(i=0;i<nb_ostreams;i++) {
1934 AVMetadataTag *t = NULL;
1935 ost = ost_table[i];
1936 os = output_files[ost->file_index];
1937 ist = ist_table[ost->source_index];
1938
1939 codec = ost->st->codec;
1940 icodec = ist->st->codec;
1941
1942 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
1943 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
1944 }
1945
1946 ost->st->disposition = ist->st->disposition;
1947 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1948 codec->chroma_sample_location = icodec->chroma_sample_location;
1949
1950 if (ost->st->stream_copy) {
1951 /* if stream_copy is selected, no need to decode or encode */
1952 codec->codec_id = icodec->codec_id;
1953 codec->codec_type = icodec->codec_type;
1954
1955 if(!codec->codec_tag){
1956 if( !os->oformat->codec_tag
1957 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1958 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1959 codec->codec_tag = icodec->codec_tag;
1960 }
1961
1962 codec->bit_rate = icodec->bit_rate;
1963 codec->extradata= icodec->extradata;
1964 codec->extradata_size= icodec->extradata_size;
1965 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){
1966 codec->time_base = icodec->time_base;
1967 codec->time_base.num *= icodec->ticks_per_frame;
1968 }else
1969 codec->time_base = ist->st->time_base;
1970 switch(codec->codec_type) {
1971 case AVMEDIA_TYPE_AUDIO:
1972 if(audio_volume != 256) {
1973 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1974 av_exit(1);
1975 }
1976 codec->channel_layout = icodec->channel_layout;
1977 codec->sample_rate = icodec->sample_rate;
1978 codec->channels = icodec->channels;
1979 codec->frame_size = icodec->frame_size;
1980 codec->block_align= icodec->block_align;
1981 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1982 codec->block_align= 0;
1983 if(codec->codec_id == CODEC_ID_AC3)
1984 codec->block_align= 0;
1985 break;
1986 case AVMEDIA_TYPE_VIDEO:
1987 codec->pix_fmt = icodec->pix_fmt;
1988 codec->width = icodec->width;
1989 codec->height = icodec->height;
1990 codec->has_b_frames = icodec->has_b_frames;
1991 break;
1992 case AVMEDIA_TYPE_SUBTITLE:
1993 codec->width = icodec->width;
1994 codec->height = icodec->height;
1995 break;
1996 default:
1997 abort();
1998 }
1999 } else {
2000 switch(codec->codec_type) {
2001 case AVMEDIA_TYPE_AUDIO:
2002 ost->fifo= av_fifo_alloc(1024);
2003 if(!ost->fifo)
2004 goto fail;
2005 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2006 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2007 icodec->request_channels = codec->channels;
2008 ist->decoding_needed = 1;
2009 ost->encoding_needed = 1;
2010 break;
2011 case AVMEDIA_TYPE_VIDEO:
2012 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2013 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2014 av_exit(1);
2015 }
2016 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2017 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
2018 ost->video_resample = ((codec->width != icodec->width -
2019 (frame_leftBand + frame_rightBand) +
2020 (frame_padleft + frame_padright)) ||
2021 (codec->height != icodec->height -
2022 (frame_topBand + frame_bottomBand) +
2023 (frame_padtop + frame_padbottom)) ||
2024 (codec->pix_fmt != icodec->pix_fmt));
2025 if (ost->video_crop) {
2026 ost->topBand = ost->original_topBand = frame_topBand;
2027 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2028 ost->leftBand = ost->original_leftBand = frame_leftBand;
2029 ost->rightBand = ost->original_rightBand = frame_rightBand;
2030 }
2031 if (ost->video_pad) {
2032 ost->padtop = frame_padtop;
2033 ost->padleft = frame_padleft;
2034 ost->padbottom = frame_padbottom;
2035 ost->padright = frame_padright;
2036 if (!ost->video_resample) {
2037 avcodec_get_frame_defaults(&ost->pict_tmp);
2038 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2039 codec->width, codec->height))
2040 goto fail;
2041 }
2042 }
2043 if (ost->video_resample) {
2044 avcodec_get_frame_defaults(&ost->pict_tmp);
2045 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2046 codec->width, codec->height)) {
2047 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2048 av_exit(1);
2049 }
2050 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2051 ost->img_resample_ctx = sws_getContext(
2052 icodec->width - (frame_leftBand + frame_rightBand),
2053 icodec->height - (frame_topBand + frame_bottomBand),
2054 icodec->pix_fmt,
2055 codec->width - (frame_padleft + frame_padright),
2056 codec->height - (frame_padtop + frame_padbottom),
2057 codec->pix_fmt,
2058 sws_flags, NULL, NULL, NULL);
2059 if (ost->img_resample_ctx == NULL) {
2060 fprintf(stderr, "Cannot get resampling context\n");
2061 av_exit(1);
2062 }
2063
2064 ost->original_height = icodec->height;
2065 ost->original_width = icodec->width;
2066
2067 codec->bits_per_raw_sample= 0;
2068 }
2069 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2070 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2071 ost->resample_pix_fmt= icodec->pix_fmt;
2072 ost->encoding_needed = 1;
2073 ist->decoding_needed = 1;
2074 break;
2075 case AVMEDIA_TYPE_SUBTITLE:
2076 ost->encoding_needed = 1;
2077 ist->decoding_needed = 1;
2078 break;
2079 default:
2080 abort();
2081 break;
2082 }
2083 /* two pass mode */
2084 if (ost->encoding_needed &&
2085 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2086 char logfilename[1024];
2087 FILE *f;
2088
2089 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2090 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2091 i);
2092 if (codec->flags & CODEC_FLAG_PASS1) {
2093 f = fopen(logfilename, "w");
2094 if (!f) {
2095 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2096 av_exit(1);
2097 }
2098 ost->logfile = f;
2099 } else {
2100 char *logbuffer;
2101 size_t logbuffer_size;
2102 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2103 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2104 av_exit(1);
2105 }
2106 codec->stats_in = logbuffer;
2107 }
2108 }
2109 }
2110 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2111 int size= codec->width * codec->height;
2112 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2113 }
2114 }
2115
2116 if (!bit_buffer)
2117 bit_buffer = av_malloc(bit_buffer_size);
2118 if (!bit_buffer) {
2119 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2120 bit_buffer_size);
2121 ret = AVERROR(ENOMEM);
2122 goto fail;
2123 }
2124
2125 /* open each encoder */
2126 for(i=0;i<nb_ostreams;i++) {
2127 ost = ost_table[i];
2128 if (ost->encoding_needed) {
2129 AVCodec *codec = output_codecs[i];
2130 if (!codec)
2131 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2132 if (!codec) {
2133 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2134 ost->st->codec->codec_id, ost->file_index, ost->index);
2135 ret = AVERROR(EINVAL);
2136 goto dump_format;
2137 }
2138 if (avcodec_open(ost->st->codec, codec) < 0) {
2139 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2140 ost->file_index, ost->index);
2141 ret = AVERROR(EINVAL);
2142 goto dump_format;
2143 }
2144 extra_size += ost->st->codec->extradata_size;
2145 }
2146 }
2147
2148 /* open each decoder */
2149 for(i=0;i<nb_istreams;i++) {
2150 ist = ist_table[i];
2151 if (ist->decoding_needed) {
2152 AVCodec *codec = input_codecs[i];
2153 if (!codec)
2154 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2155 if (!codec) {
2156 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2157 ist->st->codec->codec_id, ist->file_index, ist->index);
2158 ret = AVERROR(EINVAL);
2159 goto dump_format;
2160 }
2161 if (avcodec_open(ist->st->codec, codec) < 0) {
2162 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2163 ist->file_index, ist->index);
2164 ret = AVERROR(EINVAL);
2165 goto dump_format;
2166 }
2167 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2168 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2169 }
2170 }
2171
2172 /* init pts */
2173 for(i=0;i<nb_istreams;i++) {
2174 AVStream *st;
2175 ist = ist_table[i];
2176 st= ist->st;
2177 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2178 ist->next_pts = AV_NOPTS_VALUE;
2179 ist->is_start = 1;
2180 }
2181
2182 /* set meta data information from input file if required */
2183 for (i=0;i<nb_meta_data_maps;i++) {
2184 AVFormatContext *out_file;
2185 AVFormatContext *in_file;
2186 AVMetadataTag *mtag;
2187
2188 int out_file_index = meta_data_maps[i].out_file;
2189 int in_file_index = meta_data_maps[i].in_file;
2190 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2191 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2192 out_file_index, out_file_index, in_file_index);
2193 ret = AVERROR(EINVAL);
2194 goto dump_format;
2195 }
2196 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2197 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2198 in_file_index, out_file_index, in_file_index);
2199 ret = AVERROR(EINVAL);
2200 goto dump_format;
2201 }
2202
2203 out_file = output_files[out_file_index];
2204 in_file = input_files[in_file_index];
2205
2206
2207 mtag=NULL;
2208 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2209 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2210 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2211 in_file->iformat->metadata_conv);
2212 }
2213
2214 /* copy chapters from the first input file that has them*/
2215 for (i = 0; i < nb_input_files; i++) {
2216 if (!input_files[i]->nb_chapters)
2217 continue;
2218
2219 for (j = 0; j < nb_output_files; j++)
2220 if ((ret = copy_chapters(i, j)) < 0)
2221 goto dump_format;
2222 }
2223
2224 /* open files and write file headers */
2225 for(i=0;i<nb_output_files;i++) {
2226 os = output_files[i];
2227 if (av_write_header(os) < 0) {
2228 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2229 ret = AVERROR(EINVAL);
2230 goto dump_format;
2231 }
2232 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2233 want_sdp = 0;
2234 }
2235 }
2236
2237 dump_format:
2238 /* dump the file output parameters - cannot be done before in case
2239 of stream copy */
2240 for(i=0;i<nb_output_files;i++) {
2241 dump_format(output_files[i], i, output_files[i]->filename, 1);
2242 }
2243
2244 /* dump the stream mapping */
2245 if (verbose >= 0) {
2246 fprintf(stderr, "Stream mapping:\n");
2247 for(i=0;i<nb_ostreams;i++) {
2248 ost = ost_table[i];
2249 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2250 ist_table[ost->source_index]->file_index,
2251 ist_table[ost->source_index]->index,
2252 ost->file_index,
2253 ost->index);
2254 if (ost->sync_ist != ist_table[ost->source_index])
2255 fprintf(stderr, " [sync #%d.%d]",
2256 ost->sync_ist->file_index,
2257 ost->sync_ist->index);
2258 fprintf(stderr, "\n");
2259 }
2260 }
2261
2262 if (ret) {
2263 fprintf(stderr, "%s\n", error);
2264 goto fail;
2265 }
2266
2267 if (want_sdp) {
2268 print_sdp(output_files, nb_output_files);
2269 }
2270
2271 if (!using_stdin && verbose >= 0) {
2272 fprintf(stderr, "Press [q] to stop encoding\n");
2273 url_set_interrupt_cb(decode_interrupt_cb);
2274 }
2275 term_init();
2276
2277 timer_start = av_gettime();
2278
2279 for(; received_sigterm == 0;) {
2280 int file_index, ist_index;
2281 AVPacket pkt;
2282 double ipts_min;
2283 double opts_min;
2284
2285 redo:
2286 ipts_min= 1e100;
2287 opts_min= 1e100;
2288 /* if 'q' pressed, exits */
2289 if (!using_stdin) {
2290 if (q_pressed)
2291 break;
2292 /* read_key() returns 0 on EOF */
2293 key = read_key();
2294 if (key == 'q')
2295 break;
2296 }
2297
2298 /* select the stream that we must read now by looking at the
2299 smallest output pts */
2300 file_index = -1;
2301 for(i=0;i<nb_ostreams;i++) {
2302 double ipts, opts;
2303 ost = ost_table[i];
2304 os = output_files[ost->file_index];
2305 ist = ist_table[ost->source_index];
2306 if(ist->is_past_recording_time || no_packet[ist->file_index])
2307 continue;
2308 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2309 ipts = (double)ist->pts;
2310 if (!file_table[ist->file_index].eof_reached){
2311 if(ipts < ipts_min) {
2312 ipts_min = ipts;
2313 if(input_sync ) file_index = ist->file_index;
2314 }
2315 if(opts < opts_min) {
2316 opts_min = opts;
2317 if(!input_sync) file_index = ist->file_index;
2318 }
2319 }
2320 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2321 file_index= -1;
2322 break;
2323 }
2324 }
2325 /* if none, if is finished */
2326 if (file_index < 0) {
2327 if(no_packet_count){
2328 no_packet_count=0;
2329 memset(no_packet, 0, sizeof(no_packet));
2330 usleep(10000);
2331 continue;
2332 }
2333 break;
2334 }
2335
2336 /* finish if limit size exhausted */
2337 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2338 break;
2339
2340 /* read a frame from it and output it in the fifo */
2341 is = input_files[file_index];
2342 ret= av_read_frame(is, &pkt);
2343 if(ret == AVERROR(EAGAIN)){
2344 no_packet[file_index]=1;
2345 no_packet_count++;
2346 continue;
2347 }
2348 if (ret < 0) {
2349 file_table[file_index].eof_reached = 1;
2350 if (opt_shortest)
2351 break;
2352 else
2353 continue;
2354 }
2355
2356 no_packet_count=0;
2357 memset(no_packet, 0, sizeof(no_packet));
2358
2359 if (do_pkt_dump) {
2360 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2361 }
2362 /* the following test is needed in case new streams appear
2363 dynamically in stream : we ignore them */
2364 if (pkt.stream_index >= file_table[file_index].nb_streams)
2365 goto discard_packet;
2366 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2367 ist = ist_table[ist_index];
2368 if (ist->discard)
2369 goto discard_packet;
2370
2371 if (pkt.dts != AV_NOPTS_VALUE)
2372 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2373 if (pkt.pts != AV_NOPTS_VALUE)
2374 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2375
2376 if(input_files_ts_scale[file_index][pkt.stream_index]){
2377 if(pkt.pts != AV_NOPTS_VALUE)
2378 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2379 if(pkt.dts != AV_NOPTS_VALUE)
2380 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2381 }
2382
2383 // 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);
2384 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2385 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2386 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2387 int64_t delta= pkt_dts - ist->next_pts;
2388 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2389 input_files_ts_offset[ist->file_index]-= delta;
2390 if (verbose > 2)
2391 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2392 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2393 if(pkt.pts != AV_NOPTS_VALUE)
2394 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2395 }
2396 }
2397
2398 /* finish if recording time exhausted */
2399 if (recording_time != INT64_MAX &&
2400 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2401 ist->is_past_recording_time = 1;
2402 goto discard_packet;
2403 }
2404
2405 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2406 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2407
2408 if (verbose >= 0)
2409 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2410 ist->file_index, ist->index);
2411 if (exit_on_error)
2412 av_exit(1);
2413 av_free_packet(&pkt);
2414 goto redo;
2415 }
2416
2417 discard_packet:
2418 av_free_packet(&pkt);
2419
2420 /* dump report by using the output first video and audio streams */
2421 print_report(output_files, ost_table, nb_ostreams, 0);
2422 }
2423
2424 /* at the end of stream, we must flush the decoder buffers */
2425 for(i=0;i<nb_istreams;i++) {
2426 ist = ist_table[i];
2427 if (ist->decoding_needed) {
2428 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2429 }
2430 }
2431
2432 term_exit();
2433
2434 /* write the trailer if needed and close file */
2435 for(i=0;i<nb_output_files;i++) {
2436 os = output_files[i];
2437 av_write_trailer(os);
2438 }
2439
2440 /* dump report by using the first video and audio streams */
2441 print_report(output_files, ost_table, nb_ostreams, 1);
2442
2443 /* close each encoder */
2444 for(i=0;i<nb_ostreams;i++) {
2445 ost = ost_table[i];
2446 if (ost->encoding_needed) {
2447 av_freep(&ost->st->codec->stats_in);
2448 avcodec_close(ost->st->codec);
2449 }
2450 }
2451
2452 /* close each decoder */
2453 for(i=0;i<nb_istreams;i++) {
2454 ist = ist_table[i];
2455 if (ist->decoding_needed) {
2456 avcodec_close(ist->st->codec);
2457 }
2458 }
2459
2460 /* finished ! */
2461 ret = 0;
2462
2463 fail:
2464 av_freep(&bit_buffer);
2465 av_free(file_table);
2466
2467 if (ist_table) {
2468 for(i=0;i<nb_istreams;i++) {
2469 ist = ist_table[i];
2470 av_free(ist);
2471 }
2472 av_free(ist_table);
2473 }
2474 if (ost_table) {
2475 for(i=0;i<nb_ostreams;i++) {
2476 ost = ost_table[i];
2477 if (ost) {
2478 if (ost->logfile) {
2479 fclose(ost->logfile);
2480 ost->logfile = NULL;
2481 }
2482 av_fifo_free(ost->fifo); /* works even if fifo is not
2483 initialized but set to zero */
2484 av_free(ost->pict_tmp.data[0]);
2485 if (ost->video_resample)
2486 sws_freeContext(ost->img_resample_ctx);
2487 if (ost->resample)
2488 audio_resample_close(ost->resample);
2489 if (ost->reformat_ctx)
2490 av_audio_convert_free(ost->reformat_ctx);
2491 av_free(ost);
2492 }
2493 }
2494 av_free(ost_table);
2495 }
2496 return ret;
2497 }
2498
2499 static void opt_format(const char *arg)
2500 {
2501 /* compatibility stuff for pgmyuv */
2502 if (!strcmp(arg, "pgmyuv")) {
2503 pgmyuv_compatibility_hack=1;
2504 // opt_image_format(arg);
2505 arg = "image2";
2506 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2507 }
2508
2509 last_asked_format = arg;
2510 }
2511
2512 static void opt_video_rc_override_string(const char *arg)
2513 {
2514 video_rc_override_string = arg;
2515 }
2516
2517 static int opt_me_threshold(const char *opt, const char *arg)
2518 {
2519 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2520 return 0;
2521 }
2522
2523 static int opt_verbose(const char *opt, const char *arg)
2524 {
2525 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2526 return 0;
2527 }
2528
2529 static int opt_frame_rate(const char *opt, const char *arg)
2530 {
2531 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2532 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2533 av_exit(1);
2534 }
2535 return 0;
2536 }
2537
2538 static int opt_bitrate(const char *opt, const char *arg)
2539 {
2540 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2541
2542 opt_default(opt, arg);
2543
2544 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2545 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2546
2547 return 0;
2548 }
2549
2550 static void opt_frame_crop_top(const char *arg)
2551 {
2552 frame_topBand = atoi(arg);
2553 if (frame_topBand < 0) {
2554 fprintf(stderr, "Incorrect top crop size\n");
2555 av_exit(1);
2556 }
2557 if ((frame_topBand) >= frame_height){
2558 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2559 av_exit(1);
2560 }
2561 frame_height -= frame_topBand;
2562 }
2563
2564 static void opt_frame_crop_bottom(const char *arg)
2565 {
2566 frame_bottomBand = atoi(arg);
2567 if (frame_bottomBand < 0) {
2568 fprintf(stderr, "Incorrect bottom crop size\n");
2569 av_exit(1);
2570 }
2571 if ((frame_bottomBand) >= frame_height){
2572 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2573 av_exit(1);
2574 }
2575 frame_height -= frame_bottomBand;
2576 }
2577
2578 static void opt_frame_crop_left(const char *arg)
2579 {
2580 frame_leftBand = atoi(arg);
2581 if (frame_leftBand < 0) {
2582 fprintf(stderr, "Incorrect left crop size\n");
2583 av_exit(1);
2584 }
2585 if ((frame_leftBand) >= frame_width){
2586 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2587 av_exit(1);
2588 }
2589 frame_width -= frame_leftBand;
2590 }
2591
2592 static void opt_frame_crop_right(const char *arg)
2593 {
2594 frame_rightBand = atoi(arg);
2595 if (frame_rightBand < 0) {
2596 fprintf(stderr, "Incorrect right crop size\n");
2597 av_exit(1);
2598 }
2599 if ((frame_rightBand) >= frame_width){
2600 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2601 av_exit(1);
2602 }
2603 frame_width -= frame_rightBand;
2604 }
2605
2606 static void opt_frame_size(const char *arg)
2607 {
2608 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2609 fprintf(stderr, "Incorrect frame size\n");
2610 av_exit(1);
2611 }
2612 }
2613
2614 static void opt_pad_color(const char *arg) {
2615 /* Input is expected to be six hex digits similar to
2616 how colors are expressed in html tags (but without the #) */
2617 int rgb = strtol(arg, NULL, 16);
2618 int r,g,b;
2619
2620 r = (rgb >> 16);
2621 g = ((rgb >> 8) & 255);
2622 b = (rgb & 255);
2623
2624 padcolor[0] = RGB_TO_Y(r,g,b);
2625 padcolor[1] = RGB_TO_U(r,g,b,0);
2626 padcolor[2] = RGB_TO_V(r,g,b,0);
2627 }
2628
2629 static void opt_frame_pad_top(const char *arg)
2630 {
2631 frame_padtop = atoi(arg);
2632 if (frame_padtop < 0) {
2633 fprintf(stderr, "Incorrect top pad size\n");
2634 av_exit(1);
2635 }
2636 }
2637
2638 static void opt_frame_pad_bottom(const char *arg)
2639 {
2640 frame_padbottom = atoi(arg);
2641 if (frame_padbottom < 0) {
2642 fprintf(stderr, "Incorrect bottom pad size\n");
2643 av_exit(1);
2644 }
2645 }
2646
2647
2648 static void opt_frame_pad_left(const char *arg)
2649 {
2650 frame_padleft = atoi(arg);
2651 if (frame_padleft < 0) {
2652 fprintf(stderr, "Incorrect left pad size\n");
2653 av_exit(1);
2654 }
2655 }
2656
2657
2658 static void opt_frame_pad_right(const char *arg)
2659 {
2660 frame_padright = atoi(arg);
2661 if (frame_padright < 0) {
2662 fprintf(stderr, "Incorrect right pad size\n");
2663 av_exit(1);
2664 }
2665 }
2666
2667 static void opt_frame_pix_fmt(const char *arg)
2668 {
2669 if (strcmp(arg, "list")) {
2670 frame_pix_fmt = av_get_pix_fmt(arg);
2671 if (frame_pix_fmt == PIX_FMT_NONE) {
2672 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2673 av_exit(1);
2674 }
2675 } else {
2676 show_pix_fmts();
2677 av_exit(0);
2678 }
2679 }
2680
2681 static void opt_frame_aspect_ratio(const char *arg)
2682 {
2683 int x = 0, y = 0;
2684 double ar = 0;
2685 const char *p;
2686 char *end;
2687
2688 p = strchr(arg, ':');
2689 if (p) {
2690 x = strtol(arg, &end, 10);
2691 if (end == p)
2692 y = strtol(end+1, &end, 10);
2693 if (x > 0 && y > 0)
2694 ar = (double)x / (double)y;
2695 } else
2696 ar = strtod(arg, NULL);
2697
2698 if (!ar) {
2699 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2700 av_exit(1);
2701 }
2702 frame_aspect_ratio = ar;
2703 }
2704
2705 static int opt_metadata(const char *opt, const char *arg)
2706 {
2707 char *mid= strchr(arg, '=');
2708
2709 if(!mid){
2710 fprintf(stderr, "Missing =\n");
2711 av_exit(1);
2712 }
2713 *mid++= 0;
2714
2715 metadata_count++;
2716 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2717 metadata[metadata_count-1].key = av_strdup(arg);
2718 metadata[metadata_count-1].value= av_strdup(mid);
2719
2720 return 0;
2721 }
2722
2723 static void opt_qscale(const char *arg)
2724 {
2725 video_qscale = atof(arg);
2726 if (video_qscale <= 0 ||
2727 video_qscale > 255) {
2728 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2729 av_exit(1);
2730 }
2731 }
2732
2733 static void opt_top_field_first(const char *arg)
2734 {
2735 top_field_first= atoi(arg);
2736 }
2737
2738 static int opt_thread_count(const char *opt, const char *arg)
2739 {
2740 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2741 #if !HAVE_THREADS
2742 if (verbose >= 0)
2743 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2744 #endif
2745 return 0;
2746 }
2747
2748 static void opt_audio_sample_fmt(const char *arg)
2749 {
2750 if (strcmp(arg, "list"))
2751 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2752 else {
2753 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2754 av_exit(0);
2755 }
2756 }
2757
2758 static int opt_audio_rate(const char *opt, const char *arg)
2759 {
2760 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2761 return 0;
2762 }
2763
2764 static int opt_audio_channels(const char *opt, const char *arg)
2765 {
2766 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2767 return 0;
2768 }
2769
2770 static void opt_video_channel(const char *arg)
2771 {
2772 video_channel = strtol(arg, NULL, 0);
2773 }
2774
2775 static void opt_video_standard(const char *arg)
2776 {
2777 video_standard = av_strdup(arg);
2778 }
2779
2780 static void opt_codec(int *pstream_copy, char **pcodec_name,
2781 int codec_type, const char *arg)
2782 {
2783 av_freep(pcodec_name);
2784 if (!strcmp(arg, "copy")) {
2785 *pstream_copy = 1;
2786 } else {
2787 *pcodec_name = av_strdup(arg);
2788 }
2789 }
2790
2791 static void opt_audio_codec(const char *arg)
2792 {
2793 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2794 }
2795
2796 static void opt_audio_tag(const char *arg)
2797 {
2798 char *tail;
2799 audio_codec_tag= strtol(arg, &tail, 0);
2800
2801 if(!tail || *tail)
2802 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2803 }
2804
2805 static void opt_video_tag(const char *arg)
2806 {
2807 char *tail;
2808 video_codec_tag= strtol(arg, &tail, 0);
2809
2810 if(!tail || *tail)
2811 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2812 }
2813
2814 static void opt_video_codec(const char *arg)
2815 {
2816 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2817 }
2818
2819 static void opt_subtitle_codec(const char *arg)
2820 {
2821 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2822 }
2823
2824 static void opt_subtitle_tag(const char *arg)
2825 {
2826 char *tail;
2827 subtitle_codec_tag= strtol(arg, &tail, 0);
2828
2829 if(!tail || *tail)
2830 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2831 }
2832
2833 static void opt_map(const char *arg)
2834 {
2835 AVStreamMap *m;
2836 char *p;
2837
2838 m = &stream_maps[nb_stream_maps++];
2839
2840 m->file_index = strtol(arg, &p, 0);
2841 if (*p)
2842 p++;
2843
2844 m->stream_index = strtol(p, &p, 0);
2845 if (*p) {
2846 p++;
2847 m->sync_file_index = strtol(p, &p, 0);
2848 if (*p)
2849 p++;
2850 m->sync_stream_index = strtol(p, &p, 0);
2851 } else {
2852 m->sync_file_index = m->file_index;
2853 m->sync_stream_index = m->stream_index;
2854 }
2855 }
2856
2857 static void opt_map_meta_data(const char *arg)
2858 {
2859 AVMetaDataMap *m;
2860 char *p;
2861
2862 m = &meta_data_maps[nb_meta_data_maps++];
2863
2864 m->out_file = strtol(arg, &p, 0);
2865 if (*p)
2866 p++;
2867
2868 m->in_file = strtol(p, &p, 0);
2869 }
2870
2871 static void opt_input_ts_scale(const char *arg)
2872 {
2873 unsigned int stream;
2874 double scale;
2875 char *p;
2876
2877 stream = strtol(arg, &p, 0);
2878 if (*p)
2879 p++;
2880 scale= strtod(p, &p);
2881
2882 if(stream >= MAX_STREAMS)
2883 av_exit(1);
2884
2885 input_files_ts_scale[nb_input_files][stream]= scale;
2886 }
2887
2888 static int opt_recording_time(const char *opt, const char *arg)
2889 {
2890 recording_time = parse_time_or_die(opt, arg, 1);
2891 return 0;
2892 }
2893
2894 static int opt_start_time(const char *opt, const char *arg)
2895 {
2896 start_time = parse_time_or_die(opt, arg, 1);
2897 return 0;
2898 }
2899
2900 static int opt_rec_timestamp(const char *opt, const char *arg)
2901 {
2902 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2903 return 0;
2904 }
2905
2906 static int opt_input_ts_offset(const char *opt, const char *arg)
2907 {
2908 input_ts_offset = parse_time_or_die(opt, arg, 1);
2909 return 0;
2910 }
2911
2912 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2913 {
2914 const char *codec_string = encoder ? "encoder" : "decoder";
2915 AVCodec *codec;
2916
2917 if(!name)
2918 return CODEC_ID_NONE;
2919 codec = encoder ?
2920 avcodec_find_encoder_by_name(name) :
2921 avcodec_find_decoder_by_name(name);
2922 if(!codec) {
2923 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2924 av_exit(1);
2925 }
2926 if(codec->type != type) {
2927 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2928 av_exit(1);
2929 }
2930 return codec->id;
2931 }
2932
2933 static void opt_input_file(const char *filename)
2934 {
2935 AVFormatContext *ic;
2936 AVFormatParameters params, *ap = &params;
2937 AVInputFormat *file_iformat = NULL;
2938 int err, i, ret, rfps, rfps_base;
2939 int64_t timestamp;
2940
2941 if (last_asked_format) {
2942 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2943 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2944 av_exit(1);
2945 }
2946 last_asked_format = NULL;
2947 }
2948
2949 if (!strcmp(filename, "-"))
2950 filename = "pipe:";
2951
2952 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2953 !strcmp(filename, "/dev/stdin");
2954
2955 /* get default parameters from command line */
2956 ic = avformat_alloc_context();
2957 if (!ic) {
2958 print_error(filename, AVERROR(ENOMEM));
2959 av_exit(1);
2960 }
2961
2962 memset(ap, 0, sizeof(*ap));
2963 ap->prealloced_context = 1;
2964 ap->sample_rate = audio_sample_rate;
2965 ap->channels = audio_channels;
2966 ap->time_base.den = frame_rate.num;
2967 ap->time_base.num = frame_rate.den;
2968 ap->width = frame_width + frame_padleft + frame_padright;
2969 ap->height = frame_height + frame_padtop + frame_padbottom;
2970 ap->pix_fmt = frame_pix_fmt;
2971 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2972 ap->channel = video_channel;
2973 ap->standard = video_standard;
2974
2975 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2976
2977 ic->video_codec_id = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
2978 ic->audio_codec_id = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
2979 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
2980 ic->flags |= AVFMT_FLAG_NONBLOCK;
2981
2982 if(pgmyuv_compatibility_hack)
2983 ic->video_codec_id= CODEC_ID_PGMYUV;
2984
2985 /* open the input file with generic libav function */
2986 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2987 if (err < 0) {
2988 print_error(filename, err);
2989 av_exit(1);
2990 }
2991 if(opt_programid) {
2992 int i, j;
2993 int found=0;
2994 for(i=0; i<ic->nb_streams; i++){
2995 ic->streams[i]->discard= AVDISCARD_ALL;
2996 }
2997 for(i=0; i<ic->nb_programs; i++){
2998 AVProgram *p= ic->programs[i];
2999 if(p->id != opt_programid){
3000 p->discard = AVDISCARD_ALL;
3001 }else{
3002 found=1;
3003 for(j=0; j<p->nb_stream_indexes; j++){
3004 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3005 }
3006 }
3007 }
3008 if(!found){
3009 fprintf(stderr, "Specified program id not found\n");
3010 av_exit(1);
3011 }
3012 opt_programid=0;
3013 }
3014
3015 ic->loop_input = loop_input;
3016
3017 /* If not enough info to get the stream parameters, we decode the
3018 first frames to get it. (used in mpeg case for example) */
3019 ret = av_find_stream_info(ic);
3020 if (ret < 0 && verbose >= 0) {
3021 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3022 av_exit(1);
3023 }
3024
3025 timestamp = start_time;
3026 /* add the stream start time */
3027 if (ic->start_time != AV_NOPTS_VALUE)
3028 timestamp += ic->start_time;
3029
3030 /* if seeking requested, we execute it */
3031 if (start_time != 0) {
3032 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3033 if (ret < 0) {
3034 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3035 filename, (double)timestamp / AV_TIME_BASE);
3036 }
3037 /* reset seek info */
3038 start_time = 0;
3039 }
3040
3041 /* update the current parameters so that they match the one of the input stream */
3042 for(i=0;i<ic->nb_streams;i++) {
3043 AVStream *st = ic->streams[i];
3044 AVCodecContext *enc = st->codec;
3045 avcodec_thread_init(enc, thread_count);
3046 switch(enc->codec_type) {
3047 case AVMEDIA_TYPE_AUDIO:
3048 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3049 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3050 channel_layout = enc->channel_layout;
3051 audio_channels = enc->channels;
3052 audio_sample_rate = enc->sample_rate;
3053 audio_sample_fmt = enc->sample_fmt;
3054 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3055 if(audio_disable)
3056 st->discard= AVDISCARD_ALL;
3057 break;
3058 case AVMEDIA_TYPE_VIDEO:
3059 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3060 frame_height = enc->height;
3061 frame_width = enc->width;
3062 if(ic->streams[i]->sample_aspect_ratio.num)
3063 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3064 else
3065 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3066 frame_aspect_ratio *= (float) enc->width / enc->height;
3067 frame_pix_fmt = enc->pix_fmt;
3068 rfps = ic->streams[i]->r_frame_rate.num;
3069 rfps_base = ic->streams[i]->r_frame_rate.den;
3070 if(enc->lowres) {
3071 enc->flags |= CODEC_FLAG_EMU_EDGE;
3072 frame_height >>= enc->lowres;
3073 frame_width >>= enc->lowres;
3074 }
3075 if(me_threshold)
3076 enc->debug |= FF_DEBUG_MV;
3077
3078 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3079
3080 if (verbose >= 0)
3081 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3082 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3083
3084 (float)rfps / rfps_base, rfps, rfps_base);
3085 }
3086 /* update the current frame rate to match the stream frame rate */
3087 frame_rate.num = rfps;
3088 frame_rate.den = rfps_base;
3089
3090 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3091 if(video_disable)
3092 st->discard= AVDISCARD_ALL;
3093 else if(video_discard)
3094 st->discard= video_discard;
3095 break;
3096 case AVMEDIA_TYPE_DATA:
3097 break;
3098 case AVMEDIA_TYPE_SUBTITLE:
3099 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3100 if(subtitle_disable)
3101 st->discard = AVDISCARD_ALL;
3102 break;
3103 case AVMEDIA_TYPE_ATTACHMENT:
3104 case AVMEDIA_TYPE_UNKNOWN:
3105 nb_icodecs++;
3106 break;
3107 default:
3108 abort();
3109 }
3110 }
3111
3112 input_files[nb_input_files] = ic;
3113 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3114 /* dump the file content */
3115 if (verbose >= 0)
3116 dump_format(ic, nb_input_files, filename, 0);
3117
3118 nb_input_files++;
3119
3120 video_channel = 0;
3121
3122 av_freep(&video_codec_name);
3123 av_freep(&audio_codec_name);
3124 av_freep(&subtitle_codec_name);
3125 }
3126
3127 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3128 int *has_subtitle_ptr)
3129 {
3130 int has_video, has_audio, has_subtitle, i, j;
3131 AVFormatContext *ic;
3132
3133 has_video = 0;
3134 has_audio = 0;
3135 has_subtitle = 0;
3136 for(j=0;j<nb_input_files;j++) {
3137 ic = input_files[j];
3138 for(i=0;i<ic->nb_streams;i++) {
3139 AVCodecContext *enc = ic->streams[i]->codec;
3140 switch(enc->codec_type) {
3141 case AVMEDIA_TYPE_AUDIO:
3142 has_audio = 1;
3143 break;
3144 case AVMEDIA_TYPE_VIDEO:
3145 has_video = 1;
3146 break;
3147 case AVMEDIA_TYPE_SUBTITLE:
3148 has_subtitle = 1;
3149 break;
3150 case AVMEDIA_TYPE_DATA:
3151 case AVMEDIA_TYPE_ATTACHMENT:
3152 case AVMEDIA_TYPE_UNKNOWN:
3153 break;
3154 default:
3155 abort();
3156 }
3157 }
3158 }
3159 *has_video_ptr = has_video;
3160 *has_audio_ptr = has_audio;
3161 *has_subtitle_ptr = has_subtitle;
3162 }
3163
3164 static void new_video_stream(AVFormatContext *oc)
3165 {
3166 AVStream *st;
3167 AVCodecContext *video_enc;
3168 enum CodecID codec_id;
3169
3170 st = av_new_stream(oc, oc->nb_streams);
3171 if (!st) {
3172 fprintf(stderr, "Could not alloc stream\n");
3173 av_exit(1);
3174 }
3175 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3176 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3177 video_bitstream_filters= NULL;
3178
3179 avcodec_thread_init(st->codec, thread_count);
3180
3181 video_enc = st->codec;
3182
3183 if(video_codec_tag)
3184 video_enc->codec_tag= video_codec_tag;
3185
3186 if( (video_global_header&1)
3187 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3188 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3189 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3190 }
3191 if(video_global_header&2){
3192 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3193 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;