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Add the prefix "av_" to img_crop(), img_copy() and img_pad(), and rename "img"
[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 #define HAVE_AV_CONFIG_H
22 #include <signal.h>
23 #include <limits.h>
24 #include "avformat.h"
25 #include "swscale.h"
26 #include "framehook.h"
27 #include "dsputil.h"
28 #include "opt.h"
29 #include "fifo.h"
30
31 #ifdef __MINGW32__
32 #include <conio.h>
33 #else
34 #include <unistd.h>
35 #include <fcntl.h>
36 #include <sys/ioctl.h>
37 #include <sys/time.h>
38 #include <termios.h>
39 #include <sys/resource.h>
40 #endif
41 #ifdef CONFIG_OS2
42 #include <sys/types.h>
43 #include <sys/select.h>
44 #include <stdlib.h>
45 #endif
46 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
47 #include <time.h>
48
49 #include "version.h"
50 #include "cmdutils.h"
51
52 #undef NDEBUG
53 #include <assert.h>
54
55 #if !defined(INFINITY) && defined(HUGE_VAL)
56 #define INFINITY HUGE_VAL
57 #endif
58
59 /* select an input stream for an output stream */
60 typedef struct AVStreamMap {
61 int file_index;
62 int stream_index;
63 int sync_file_index;
64 int sync_stream_index;
65 } AVStreamMap;
66
67 /** select an input file for an output file */
68 typedef struct AVMetaDataMap {
69 int out_file;
70 int in_file;
71 } AVMetaDataMap;
72
73 extern const OptionDef options[];
74
75 static void show_help(void);
76 static void show_license(void);
77 static int opt_default(const char *opt, const char *arg);
78
79 #define MAX_FILES 20
80
81 static AVFormatContext *input_files[MAX_FILES];
82 static int64_t input_files_ts_offset[MAX_FILES];
83 static int nb_input_files = 0;
84
85 static AVFormatContext *output_files[MAX_FILES];
86 static int nb_output_files = 0;
87
88 static AVStreamMap stream_maps[MAX_FILES];
89 static int nb_stream_maps;
90
91 static AVMetaDataMap meta_data_maps[MAX_FILES];
92 static int nb_meta_data_maps;
93
94 static AVInputFormat *file_iformat;
95 static AVOutputFormat *file_oformat;
96 static int frame_width = 0;
97 static int frame_height = 0;
98 static float frame_aspect_ratio = 0;
99 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
100 static int frame_padtop = 0;
101 static int frame_padbottom = 0;
102 static int frame_padleft = 0;
103 static int frame_padright = 0;
104 static int padcolor[3] = {16,128,128}; /* default to black */
105 static int frame_topBand = 0;
106 static int frame_bottomBand = 0;
107 static int frame_leftBand = 0;
108 static int frame_rightBand = 0;
109 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
110 static int frame_rate = 25;
111 static int frame_rate_base = 1;
112 static float video_qscale = 0;
113 static int video_qdiff = 3;
114 static uint16_t *intra_matrix = NULL;
115 static uint16_t *inter_matrix = NULL;
116 #if 0 //experimental, (can be removed)
117 static float video_rc_qsquish=1.0;
118 static float video_rc_qmod_amp=0;
119 static int video_rc_qmod_freq=0;
120 #endif
121 static char *video_rc_override_string=NULL;
122 static char *video_rc_eq="tex^qComp";
123 static int me_method = ME_EPZS;
124 static int video_disable = 0;
125 static int video_discard = 0;
126 static int video_codec_id = CODEC_ID_NONE;
127 static int video_codec_tag = 0;
128 static int same_quality = 0;
129 static int do_deinterlace = 0;
130 static int strict = 0;
131 static int top_field_first = -1;
132 static int me_threshold = 0;
133 static int intra_dc_precision = 8;
134 static int loop_input = 0;
135 static int loop_output = AVFMT_NOOUTPUTLOOP;
136 static int qp_hist = 0;
137
138 static int intra_only = 0;
139 static int audio_sample_rate = 44100;
140 static int audio_bit_rate = 64000;
141 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static int audio_codec_id = CODEC_ID_NONE;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
148
149 static int subtitle_codec_id = CODEC_ID_NONE;
150 static char *subtitle_language = NULL;
151
152 static float mux_preload= 0.5;
153 static float mux_max_delay= 0.7;
154
155 static int64_t recording_time = 0;
156 static int64_t start_time = 0;
157 static int64_t rec_timestamp = 0;
158 static int64_t input_ts_offset = 0;
159 static int file_overwrite = 0;
160 static char *str_title = NULL;
161 static char *str_author = NULL;
162 static char *str_copyright = NULL;
163 static char *str_comment = NULL;
164 static char *str_album = NULL;
165 static int do_benchmark = 0;
166 static int do_hex_dump = 0;
167 static int do_pkt_dump = 0;
168 static int do_psnr = 0;
169 static int do_vstats = 0;
170 static int do_pass = 0;
171 static char *pass_logfilename = NULL;
172 static int audio_stream_copy = 0;
173 static int video_stream_copy = 0;
174 static int subtitle_stream_copy = 0;
175 static int video_sync_method= 1;
176 static int audio_sync_method= 0;
177 static int copy_ts= 0;
178 static int opt_shortest = 0; //
179 static int video_global_header = 0;
180
181 static int rate_emu = 0;
182
183 static int video_channel = 0;
184 static char *video_standard = "ntsc";
185
186 static int audio_volume = 256;
187
188 static int using_stdin = 0;
189 static int using_vhook = 0;
190 static int verbose = 1;
191 static int thread_count= 1;
192 static int q_pressed = 0;
193 static int64_t video_size = 0;
194 static int64_t audio_size = 0;
195 static int64_t extra_size = 0;
196 static int nb_frames_dup = 0;
197 static int nb_frames_drop = 0;
198 static int input_sync;
199 static int limit_filesize = 0; //
200
201 static int pgmyuv_compatibility_hack=0;
202 static int dts_delta_threshold = 10;
203
204 static int sws_flags = SWS_BICUBIC;
205
206 const char **opt_names=NULL;
207 int opt_name_count=0;
208 AVCodecContext *avctx_opts[CODEC_TYPE_NB];
209 AVFormatContext *avformat_opts;
210
211 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
212 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
213 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
214
215 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
216
217 struct AVInputStream;
218
219 typedef struct AVOutputStream {
220 int file_index; /* file index */
221 int index; /* stream index in the output file */
222 int source_index; /* AVInputStream index */
223 AVStream *st; /* stream in the output file */
224 int encoding_needed; /* true if encoding needed for this stream */
225 int frame_number;
226 /* input pts and corresponding output pts
227 for A/V sync */
228 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
229 struct AVInputStream *sync_ist; /* input stream to sync against */
230 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
231 /* video only */
232 int video_resample;
233 AVFrame pict_tmp; /* temporary image for resampling */
234 struct SwsContext *img_resample_ctx; /* for image resampling */
235 int resample_height;
236
237 int video_crop;
238 int topBand; /* cropping area sizes */
239 int leftBand;
240
241 int video_pad;
242 int padtop; /* padding area sizes */
243 int padbottom;
244 int padleft;
245 int padright;
246
247 /* audio only */
248 int audio_resample;
249 ReSampleContext *resample; /* for audio resampling */
250 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
251 FILE *logfile;
252 } AVOutputStream;
253
254 typedef struct AVInputStream {
255 int file_index;
256 int index;
257 AVStream *st;
258 int discard; /* true if stream data should be discarded */
259 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
260 int64_t sample_index; /* current sample */
261
262 int64_t start; /* time when read started */
263 unsigned long frame; /* current frame */
264 int64_t next_pts; /* synthetic pts for cases where pkt.pts
265 is not defined */
266 int64_t pts; /* current pts */
267 int is_start; /* is 1 at the start and after a discontinuity */
268 } AVInputStream;
269
270 typedef struct AVInputFile {
271 int eof_reached; /* true if eof reached */
272 int ist_index; /* index of first stream in ist_table */
273 int buffer_size; /* current total buffer size */
274 int buffer_size_max; /* buffer size at which we consider we can stop
275 buffering */
276 int nb_streams; /* nb streams we are aware of */
277 } AVInputFile;
278
279 #ifndef __MINGW32__
280
281 /* init terminal so that we can grab keys */
282 static struct termios oldtty;
283 #endif
284
285 static void term_exit(void)
286 {
287 #ifndef __MINGW32__
288 tcsetattr (0, TCSANOW, &oldtty);
289 #endif
290 }
291
292 static volatile sig_atomic_t received_sigterm = 0;
293
294 static void
295 sigterm_handler(int sig)
296 {
297 received_sigterm = sig;
298 term_exit();
299 }
300
301 static void term_init(void)
302 {
303 #ifndef __MINGW32__
304 struct termios tty;
305
306 tcgetattr (0, &tty);
307 oldtty = tty;
308
309 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
310 |INLCR|IGNCR|ICRNL|IXON);
311 tty.c_oflag |= OPOST;
312 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
313 tty.c_cflag &= ~(CSIZE|PARENB);
314 tty.c_cflag |= CS8;
315 tty.c_cc[VMIN] = 1;
316 tty.c_cc[VTIME] = 0;
317
318 tcsetattr (0, TCSANOW, &tty);
319 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
320 #endif
321
322 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
323 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
324 /*
325 register a function to be called at normal program termination
326 */
327 atexit(term_exit);
328 #ifdef CONFIG_BEOS_NETSERVER
329 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
330 #endif
331 }
332
333 /* read a key without blocking */
334 static int read_key(void)
335 {
336 #ifdef __MINGW32__
337 if(kbhit())
338 return(getch());
339 #else
340 int n = 1;
341 unsigned char ch;
342 #ifndef CONFIG_BEOS_NETSERVER
343 struct timeval tv;
344 fd_set rfds;
345
346 FD_ZERO(&rfds);
347 FD_SET(0, &rfds);
348 tv.tv_sec = 0;
349 tv.tv_usec = 0;
350 n = select(1, &rfds, NULL, NULL, &tv);
351 #endif
352 if (n > 0) {
353 n = read(0, &ch, 1);
354 if (n == 1)
355 return ch;
356
357 return n;
358 }
359 #endif
360 return -1;
361 }
362
363 static int decode_interrupt_cb(void)
364 {
365 return q_pressed || (q_pressed = read_key() == 'q');
366 }
367
368 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
369 {
370 int i, err;
371 AVFormatContext *ic;
372
373 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
374 if (err < 0)
375 return err;
376 /* copy stream format */
377 s->nb_streams = ic->nb_streams;
378 for(i=0;i<ic->nb_streams;i++) {
379 AVStream *st;
380
381 // FIXME: a more elegant solution is needed
382 st = av_mallocz(sizeof(AVStream));
383 memcpy(st, ic->streams[i], sizeof(AVStream));
384 st->codec = avcodec_alloc_context();
385 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
386 s->streams[i] = st;
387 }
388
389 av_close_input_file(ic);
390 return 0;
391 }
392
393 static double
394 get_sync_ipts(const AVOutputStream *ost)
395 {
396 const AVInputStream *ist = ost->sync_ist;
397 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
398 }
399
400 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
401 while(bsfc){
402 AVPacket new_pkt= *pkt;
403 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
404 &new_pkt.data, &new_pkt.size,
405 pkt->data, pkt->size,
406 pkt->flags & PKT_FLAG_KEY);
407 if(a){
408 av_free_packet(pkt);
409 new_pkt.destruct= av_destruct_packet;
410 }
411 *pkt= new_pkt;
412
413 bsfc= bsfc->next;
414 }
415
416 av_interleaved_write_frame(s, pkt);
417 }
418
419 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
420
421 static void do_audio_out(AVFormatContext *s,
422 AVOutputStream *ost,
423 AVInputStream *ist,
424 unsigned char *buf, int size)
425 {
426 uint8_t *buftmp;
427 static uint8_t *audio_buf = NULL;
428 static uint8_t *audio_out = NULL;
429 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
430
431 int size_out, frame_bytes, ret;
432 AVCodecContext *enc= ost->st->codec;
433
434 /* SC: dynamic allocation of buffers */
435 if (!audio_buf)
436 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
437 if (!audio_out)
438 audio_out = av_malloc(audio_out_size);
439 if (!audio_buf || !audio_out)
440 return; /* Should signal an error ! */
441
442 if(audio_sync_method){
443 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
444 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
445 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
446 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
447
448 //FIXME resample delay
449 if(fabs(delta) > 50){
450 if(ist->is_start){
451 if(byte_delta < 0){
452 byte_delta= FFMAX(byte_delta, -size);
453 size += byte_delta;
454 buf -= byte_delta;
455 if(verbose > 2)
456 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
457 if(!size)
458 return;
459 ist->is_start=0;
460 }else{
461 static uint8_t *input_tmp= NULL;
462 input_tmp= av_realloc(input_tmp, byte_delta + size);
463
464 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
465 ist->is_start=0;
466 else
467 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
468
469 memset(input_tmp, 0, byte_delta);
470 memcpy(input_tmp + byte_delta, buf, size);
471 buf= input_tmp;
472 size += byte_delta;
473 if(verbose > 2)
474 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
475 }
476 }else if(audio_sync_method>1){
477 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
478 assert(ost->audio_resample);
479 if(verbose > 2)
480 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
481 // 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));
482 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
483 }
484 }
485 }else
486 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
487 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
488
489 if (ost->audio_resample) {
490 buftmp = audio_buf;
491 size_out = audio_resample(ost->resample,
492 (short *)buftmp, (short *)buf,
493 size / (ist->st->codec->channels * 2));
494 size_out = size_out * enc->channels * 2;
495 } else {
496 buftmp = buf;
497 size_out = size;
498 }
499
500 /* now encode as many frames as possible */
501 if (enc->frame_size > 1) {
502 /* output resampled raw samples */
503 av_fifo_write(&ost->fifo, buftmp, size_out);
504
505 frame_bytes = enc->frame_size * 2 * enc->channels;
506
507 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
508 AVPacket pkt;
509 av_init_packet(&pkt);
510
511 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
512 (short *)audio_buf);
513 audio_size += ret;
514 pkt.stream_index= ost->index;
515 pkt.data= audio_out;
516 pkt.size= ret;
517 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
518 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
519 pkt.flags |= PKT_FLAG_KEY;
520 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
521
522 ost->sync_opts += enc->frame_size;
523 }
524 } else {
525 AVPacket pkt;
526 av_init_packet(&pkt);
527
528 ost->sync_opts += size_out / (2 * enc->channels);
529
530 /* output a pcm frame */
531 /* XXX: change encoding codec API to avoid this ? */
532 switch(enc->codec->id) {
533 case CODEC_ID_PCM_S32LE:
534 case CODEC_ID_PCM_S32BE:
535 case CODEC_ID_PCM_U32LE:
536 case CODEC_ID_PCM_U32BE:
537 size_out = size_out << 1;
538 break;
539 case CODEC_ID_PCM_S24LE:
540 case CODEC_ID_PCM_S24BE:
541 case CODEC_ID_PCM_U24LE:
542 case CODEC_ID_PCM_U24BE:
543 case CODEC_ID_PCM_S24DAUD:
544 size_out = size_out / 2 * 3;
545 break;
546 case CODEC_ID_PCM_S16LE:
547 case CODEC_ID_PCM_S16BE:
548 case CODEC_ID_PCM_U16LE:
549 case CODEC_ID_PCM_U16BE:
550 break;
551 default:
552 size_out = size_out >> 1;
553 break;
554 }
555 ret = avcodec_encode_audio(enc, audio_out, size_out,
556 (short *)buftmp);
557 audio_size += ret;
558 pkt.stream_index= ost->index;
559 pkt.data= audio_out;
560 pkt.size= ret;
561 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
562 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
563 pkt.flags |= PKT_FLAG_KEY;
564 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
565 }
566 }
567
568 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
569 {
570 AVCodecContext *dec;
571 AVPicture *picture2;
572 AVPicture picture_tmp;
573 uint8_t *buf = 0;
574
575 dec = ist->st->codec;
576
577 /* deinterlace : must be done before any resize */
578 if (do_deinterlace || using_vhook) {
579 int size;
580
581 /* create temporary picture */
582 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
583 buf = av_malloc(size);
584 if (!buf)
585 return;
586
587 picture2 = &picture_tmp;
588 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
589
590 if (do_deinterlace){
591 if(avpicture_deinterlace(picture2, picture,
592 dec->pix_fmt, dec->width, dec->height) < 0) {
593 /* if error, do not deinterlace */
594 av_free(buf);
595 buf = NULL;
596 picture2 = picture;
597 }
598 } else {
599 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
600 }
601 } else {
602 picture2 = picture;
603 }
604
605 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
606
607 if (picture != picture2)
608 *picture = *picture2;
609 *bufp = buf;
610 }
611
612 /* we begin to correct av delay at this threshold */
613 #define AV_DELAY_MAX 0.100
614
615 static void do_subtitle_out(AVFormatContext *s,
616 AVOutputStream *ost,
617 AVInputStream *ist,
618 AVSubtitle *sub,
619 int64_t pts)
620 {
621 static uint8_t *subtitle_out = NULL;
622 int subtitle_out_max_size = 65536;
623 int subtitle_out_size, nb, i;
624 AVCodecContext *enc;
625 AVPacket pkt;
626
627 if (pts == AV_NOPTS_VALUE) {
628 fprintf(stderr, "Subtitle packets must have a pts\n");
629 return;
630 }
631
632 enc = ost->st->codec;
633
634 if (!subtitle_out) {
635 subtitle_out = av_malloc(subtitle_out_max_size);
636 }
637
638 /* Note: DVB subtitle need one packet to draw them and one other
639 packet to clear them */
640 /* XXX: signal it in the codec context ? */
641 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
642 nb = 2;
643 else
644 nb = 1;
645
646 for(i = 0; i < nb; i++) {
647 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
648 subtitle_out_max_size, sub);
649
650 av_init_packet(&pkt);
651 pkt.stream_index = ost->index;
652 pkt.data = subtitle_out;
653 pkt.size = subtitle_out_size;
654 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
655 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
656 /* XXX: the pts correction is handled here. Maybe handling
657 it in the codec would be better */
658 if (i == 0)
659 pkt.pts += 90 * sub->start_display_time;
660 else
661 pkt.pts += 90 * sub->end_display_time;
662 }
663 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
664 }
665 }
666
667 static int bit_buffer_size= 1024*256;
668 static uint8_t *bit_buffer= NULL;
669
670 static void do_video_out(AVFormatContext *s,
671 AVOutputStream *ost,
672 AVInputStream *ist,
673 AVFrame *in_picture,
674 int *frame_size)
675 {
676 int nb_frames, i, ret;
677 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
678 AVFrame picture_crop_temp, picture_pad_temp;
679 uint8_t *buf = NULL, *buf1 = NULL;
680 AVCodecContext *enc, *dec;
681
682 avcodec_get_frame_defaults(&picture_crop_temp);
683 avcodec_get_frame_defaults(&picture_pad_temp);
684
685 enc = ost->st->codec;
686 dec = ist->st->codec;
687
688 /* by default, we output a single frame */
689 nb_frames = 1;
690
691 *frame_size = 0;
692
693 if(video_sync_method){
694 double vdelta;
695 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
696 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
697 if (vdelta < -1.1)
698 nb_frames = 0;
699 else if (vdelta > 1.1)
700 nb_frames = lrintf(vdelta);
701 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
702 if (nb_frames == 0){
703 ++nb_frames_drop;
704 if (verbose>2)
705 fprintf(stderr, "*** drop!\n");
706 }else if (nb_frames > 1) {
707 nb_frames_dup += nb_frames;
708 if (verbose>2)
709 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
710 }
711 }else
712 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
713
714 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
715 if (nb_frames <= 0)
716 return;
717
718 if (ost->video_crop) {
719 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
720 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
721 goto the_end;
722 }
723 formatted_picture = &picture_crop_temp;
724 } else {
725 formatted_picture = in_picture;
726 }
727
728 final_picture = formatted_picture;
729 padding_src = formatted_picture;
730 resampling_dst = &ost->pict_tmp;
731 if (ost->video_pad) {
732 final_picture = &ost->pict_tmp;
733 if (ost->video_resample) {
734 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
735 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
736 goto the_end;
737 }
738 resampling_dst = &picture_pad_temp;
739 }
740 }
741
742 if (ost->video_resample) {
743 padding_src = NULL;
744 final_picture = &ost->pict_tmp;
745 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
746 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
747 }
748
749 if (ost->video_pad) {
750 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
751 enc->height, enc->width, enc->pix_fmt,
752 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
753 }
754
755 /* duplicates frame if needed */
756 for(i=0;i<nb_frames;i++) {
757 AVPacket pkt;
758 av_init_packet(&pkt);
759 pkt.stream_index= ost->index;
760
761 if (s->oformat->flags & AVFMT_RAWPICTURE) {
762 /* raw pictures are written as AVPicture structure to
763 avoid any copies. We support temorarily the older
764 method. */
765 AVFrame* old_frame = enc->coded_frame;
766 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
767 pkt.data= (uint8_t *)final_picture;
768 pkt.size= sizeof(AVPicture);
769 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
770 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
771 if(dec->coded_frame && dec->coded_frame->key_frame)
772 pkt.flags |= PKT_FLAG_KEY;
773
774 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
775 enc->coded_frame = old_frame;
776 } else {
777 AVFrame big_picture;
778
779 big_picture= *final_picture;
780 /* better than nothing: use input picture interlaced
781 settings */
782 big_picture.interlaced_frame = in_picture->interlaced_frame;
783 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
784 if(top_field_first == -1)
785 big_picture.top_field_first = in_picture->top_field_first;
786 else
787 big_picture.top_field_first = top_field_first;
788 }
789
790 /* handles sameq here. This is not correct because it may
791 not be a global option */
792 if (same_quality) {
793 big_picture.quality = ist->st->quality;
794 }else
795 big_picture.quality = ost->st->quality;
796 if(!me_threshold)
797 big_picture.pict_type = 0;
798 // big_picture.pts = AV_NOPTS_VALUE;
799 big_picture.pts= ost->sync_opts;
800 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
801 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
802 ret = avcodec_encode_video(enc,
803 bit_buffer, bit_buffer_size,
804 &big_picture);
805 if (ret == -1) {
806 fprintf(stderr, "Video encoding failed\n");
807 exit(1);
808 }
809 //enc->frame_number = enc->real_pict_num;
810 if(ret>0){
811 pkt.data= bit_buffer;
812 pkt.size= ret;
813 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
814 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
815 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
816 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
817 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
818
819 if(enc->coded_frame && enc->coded_frame->key_frame)
820 pkt.flags |= PKT_FLAG_KEY;
821 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
822 *frame_size = ret;
823 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
824 // enc->frame_number-1, enc->real_pict_num, ret,
825 // enc->pict_type);
826 /* if two pass, output log */
827 if (ost->logfile && enc->stats_out) {
828 fprintf(ost->logfile, "%s", enc->stats_out);
829 }
830 }
831 }
832 ost->sync_opts++;
833 ost->frame_number++;
834 }
835 the_end:
836 av_free(buf);
837 av_free(buf1);
838 }
839
840 static double psnr(double d){
841 if(d==0) return INFINITY;
842 return -10.0*log(d)/log(10.0);
843 }
844
845 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
846 int frame_size)
847 {
848 static FILE *fvstats=NULL;
849 char filename[40];
850 time_t today2;
851 struct tm *today;
852 AVCodecContext *enc;
853 int frame_number;
854 int64_t ti;
855 double ti1, bitrate, avg_bitrate;
856
857 if (!fvstats) {
858 today2 = time(NULL);
859 today = localtime(&today2);
860 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
861 today->tm_min,
862 today->tm_sec);
863 fvstats = fopen(filename,"w");
864 if (!fvstats) {
865 perror("fopen");
866 exit(1);
867 }
868 }
869
870 ti = INT64_MAX;
871 enc = ost->st->codec;
872 if (enc->codec_type == CODEC_TYPE_VIDEO) {
873 frame_number = ost->frame_number;
874 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
875 if (enc->flags&CODEC_FLAG_PSNR)
876 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
877
878 fprintf(fvstats,"f_size= %6d ", frame_size);
879 /* compute pts value */
880 ti1 = ost->sync_opts * av_q2d(enc->time_base);
881 if (ti1 < 0.01)
882 ti1 = 0.01;
883
884 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
885 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
886 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
887 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
888 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
889 }
890 }
891
892 static void print_report(AVFormatContext **output_files,
893 AVOutputStream **ost_table, int nb_ostreams,
894 int is_last_report)
895 {
896 char buf[1024];
897 AVOutputStream *ost;
898 AVFormatContext *oc, *os;
899 int64_t total_size;
900 AVCodecContext *enc;
901 int frame_number, vid, i;
902 double bitrate, ti1, pts;
903 static int64_t last_time = -1;
904 static int qp_histogram[52];
905
906 if (!is_last_report) {
907 int64_t cur_time;
908 /* display the report every 0.5 seconds */
909 cur_time = av_gettime();
910 if (last_time == -1) {
911 last_time = cur_time;
912 return;
913 }
914 if ((cur_time - last_time) < 500000)
915 return;
916 last_time = cur_time;
917 }
918
919
920 oc = output_files[0];
921
922 total_size = url_ftell(&oc->pb);
923
924 buf[0] = '\0';
925 ti1 = 1e10;
926 vid = 0;
927 for(i=0;i<nb_ostreams;i++) {
928 ost = ost_table[i];
929 os = output_files[ost->file_index];
930 enc = ost->st->codec;
931 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
933 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
934 }
935 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
936 frame_number = ost->frame_number;
937 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
938 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939 if(is_last_report)
940 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
941 if(qp_hist && enc->coded_frame){
942 int j;
943 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
945 qp_histogram[qp]++;
946 for(j=0; j<32; j++)
947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948 }
949 if (enc->flags&CODEC_FLAG_PSNR){
950 int j;
951 double error, error_sum=0;
952 double scale, scale_sum=0;
953 char type[3]= {'Y','U','V'};
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
955 for(j=0; j<3; j++){
956 if(is_last_report){
957 error= enc->error[j];
958 scale= enc->width*enc->height*255.0*255.0*frame_number;
959 }else{
960 error= enc->coded_frame->error[j];
961 scale= enc->width*enc->height*255.0*255.0;
962 }
963 if(j) scale/=4;
964 error_sum += error;
965 scale_sum += scale;
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967 }
968 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
969 }
970 vid = 1;
971 }
972 /* compute min output value */
973 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
974 if ((pts < ti1) && (pts > 0))
975 ti1 = pts;
976 }
977 if (ti1 < 0.01)
978 ti1 = 0.01;
979
980 if (verbose || is_last_report) {
981 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
984 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
985 (double)total_size / 1024, ti1, bitrate);
986
987 if (verbose > 1)
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
989 nb_frames_dup, nb_frames_drop);
990
991 if (verbose >= 0)
992 fprintf(stderr, "%s \r", buf);
993
994 fflush(stderr);
995 }
996
997 if (is_last_report && verbose >= 0){
998 int64_t raw= audio_size + video_size + extra_size;
999 fprintf(stderr, "\n");
1000 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1001 video_size/1024.0,
1002 audio_size/1024.0,
1003 extra_size/1024.0,
1004 100.0*(total_size - raw)/raw
1005 );
1006 }
1007 }
1008
1009 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1010 static int output_packet(AVInputStream *ist, int ist_index,
1011 AVOutputStream **ost_table, int nb_ostreams,
1012 const AVPacket *pkt)
1013 {
1014 AVFormatContext *os;
1015 AVOutputStream *ost;
1016 uint8_t *ptr;
1017 int len, ret, i;
1018 uint8_t *data_buf;
1019 int data_size, got_picture;
1020 AVFrame picture;
1021 void *buffer_to_free;
1022 static unsigned int samples_size= 0;
1023 static short *samples= NULL;
1024 AVSubtitle subtitle, *subtitle_to_free;
1025 int got_subtitle;
1026
1027 if(!pkt){
1028 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1029 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1030 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031 } else {
1032 // assert(ist->pts == ist->next_pts);
1033 }
1034
1035 if (pkt == NULL) {
1036 /* EOF handling */
1037 ptr = NULL;
1038 len = 0;
1039 goto handle_eof;
1040 }
1041
1042 len = pkt->size;
1043 ptr = pkt->data;
1044 while (len > 0) {
1045 handle_eof:
1046 /* decode the packet if needed */
1047 data_buf = NULL; /* fail safe */
1048 data_size = 0;
1049 subtitle_to_free = NULL;
1050 if (ist->decoding_needed) {
1051 switch(ist->st->codec->codec_type) {
1052 case CODEC_TYPE_AUDIO:{
1053 if(pkt)
1054 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1055 data_size= samples_size;
1056 /* XXX: could avoid copy if PCM 16 bits with same
1057 endianness as CPU */
1058 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1059 ptr, len);
1060 if (ret < 0)
1061 goto fail_decode;
1062 ptr += ret;
1063 len -= ret;
1064 /* Some bug in mpeg audio decoder gives */
1065 /* data_size < 0, it seems they are overflows */
1066 if (data_size <= 0) {
1067 /* no audio frame */
1068 continue;
1069 }
1070 data_buf = (uint8_t *)samples;
1071 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1072 (ist->st->codec->sample_rate * ist->st->codec->channels);
1073 break;}
1074 case CODEC_TYPE_VIDEO:
1075 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1076 /* XXX: allocate picture correctly */
1077 avcodec_get_frame_defaults(&picture);
1078
1079 ret = avcodec_decode_video(ist->st->codec,
1080 &picture, &got_picture, ptr, len);
1081 ist->st->quality= picture.quality;
1082 if (ret < 0)
1083 goto fail_decode;
1084 if (!got_picture) {
1085 /* no picture yet */
1086 goto discard_packet;
1087 }
1088 if (ist->st->codec->time_base.num != 0) {
1089 ist->next_pts += ((int64_t)AV_TIME_BASE *
1090 ist->st->codec->time_base.num) /
1091 ist->st->codec->time_base.den;
1092 }
1093 len = 0;
1094 break;
1095 case CODEC_TYPE_SUBTITLE:
1096 ret = avcodec_decode_subtitle(ist->st->codec,
1097 &subtitle, &got_subtitle, ptr, len);
1098 if (ret < 0)
1099 goto fail_decode;
1100 if (!got_subtitle) {
1101 goto discard_packet;
1102 }
1103 subtitle_to_free = &subtitle;
1104 len = 0;
1105 break;
1106 default:
1107 goto fail_decode;
1108 }
1109 } else {
1110 switch(ist->st->codec->codec_type) {
1111 case CODEC_TYPE_AUDIO:
1112 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1113 (ist->st->codec->sample_rate * ist->st->codec->channels);
1114 break;
1115 case CODEC_TYPE_VIDEO:
1116 if (ist->st->codec->time_base.num != 0) {
1117 ist->next_pts += ((int64_t)AV_TIME_BASE *
1118 ist->st->codec->time_base.num) /
1119 ist->st->codec->time_base.den;
1120 }
1121 break;
1122 }
1123 data_buf = ptr;
1124 data_size = len;
1125 ret = len;
1126 len = 0;
1127 }
1128
1129 buffer_to_free = NULL;
1130 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1131 pre_process_video_frame(ist, (AVPicture *)&picture,
1132 &buffer_to_free);
1133 }
1134
1135 // preprocess audio (volume)
1136 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1137 if (audio_volume != 256) {
1138 short *volp;
1139 volp = samples;
1140 for(i=0;i<(data_size / sizeof(short));i++) {
1141 int v = ((*volp) * audio_volume + 128) >> 8;
1142 if (v < -32768) v = -32768;
1143 if (v > 32767) v = 32767;
1144 *volp++ = v;
1145 }
1146 }
1147 }
1148
1149 /* frame rate emulation */
1150 if (ist->st->codec->rate_emu) {
1151 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1152 int64_t now = av_gettime() - ist->start;
1153 if (pts > now)
1154 usleep(pts - now);
1155
1156 ist->frame++;
1157 }
1158
1159 #if 0
1160 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1161 is the one of the next displayed one */
1162 /* XXX: add mpeg4 too ? */
1163 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1164 if (ist->st->codec->pict_type != B_TYPE) {
1165 int64_t tmp;
1166 tmp = ist->last_ip_pts;
1167 ist->last_ip_pts = ist->frac_pts.val;
1168 ist->frac_pts.val = tmp;
1169 }
1170 }
1171 #endif
1172 /* if output time reached then transcode raw format,
1173 encode packets and output them */
1174 if (start_time == 0 || ist->pts >= start_time)
1175 for(i=0;i<nb_ostreams;i++) {
1176 int frame_size;
1177
1178 ost = ost_table[i];
1179 if (ost->source_index == ist_index) {
1180 os = output_files[ost->file_index];
1181
1182 #if 0
1183 printf("%d: got pts=%0.3f %0.3f\n", i,
1184 (double)pkt->pts / AV_TIME_BASE,
1185 ((double)ist->pts / AV_TIME_BASE) -
1186 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187 #endif
1188 /* set the input output pts pairs */
1189 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190
1191 if (ost->encoding_needed) {
1192 switch(ost->st->codec->codec_type) {
1193 case CODEC_TYPE_AUDIO:
1194 do_audio_out(os, ost, ist, data_buf, data_size);
1195 break;
1196 case CODEC_TYPE_VIDEO:
1197 do_video_out(os, ost, ist, &picture, &frame_size);
1198 video_size += frame_size;
1199 if (do_vstats && frame_size)
1200 do_video_stats(os, ost, frame_size);
1201 break;
1202 case CODEC_TYPE_SUBTITLE:
1203 do_subtitle_out(os, ost, ist, &subtitle,
1204 pkt->pts);
1205 break;
1206 default:
1207 av_abort();
1208 }
1209 } else {
1210 AVFrame avframe; //FIXME/XXX remove this
1211 AVPacket opkt;
1212 av_init_packet(&opkt);
1213
1214 /* no reencoding needed : output the packet directly */
1215 /* force the input stream PTS */
1216
1217 avcodec_get_frame_defaults(&avframe);
1218 ost->st->codec->coded_frame= &avframe;
1219 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1220
1221 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1222 audio_size += data_size;
1223 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1224 video_size += data_size;
1225 ost->sync_opts++;
1226 }
1227
1228 opkt.stream_index= ost->index;
1229 if(pkt->pts != AV_NOPTS_VALUE)
1230 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1231 else
1232 opkt.pts= AV_NOPTS_VALUE;
1233
1234 {
1235 int64_t dts;
1236 if (pkt->dts == AV_NOPTS_VALUE)
1237 dts = ist->next_pts;
1238 else
1239 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1240 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1241 }
1242 opkt.flags= pkt->flags;
1243
1244 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1245 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1246 opkt.destruct= av_destruct_packet;
1247
1248 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1249 ost->st->codec->frame_number++;
1250 ost->frame_number++;
1251 av_free_packet(&opkt);
1252 }
1253 }
1254 }
1255 av_free(buffer_to_free);
1256 /* XXX: allocate the subtitles in the codec ? */
1257 if (subtitle_to_free) {
1258 if (subtitle_to_free->rects != NULL) {
1259 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1260 av_free(subtitle_to_free->rects[i].bitmap);
1261 av_free(subtitle_to_free->rects[i].rgba_palette);
1262 }
1263 av_freep(&subtitle_to_free->rects);
1264 }
1265 subtitle_to_free->num_rects = 0;
1266 subtitle_to_free = NULL;
1267 }
1268 }
1269 discard_packet:
1270 if (pkt == NULL) {
1271 /* EOF handling */
1272
1273 for(i=0;i<nb_ostreams;i++) {
1274 ost = ost_table[i];
1275 if (ost->source_index == ist_index) {
1276 AVCodecContext *enc= ost->st->codec;
1277 os = output_files[ost->file_index];
1278
1279 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1280 continue;
1281 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1282 continue;
1283
1284 if (ost->encoding_needed) {
1285 for(;;) {
1286 AVPacket pkt;
1287 int fifo_bytes;
1288 av_init_packet(&pkt);
1289 pkt.stream_index= ost->index;
1290
1291 switch(ost->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:
1293 fifo_bytes = av_fifo_size(&ost->fifo);
1294 ret = 0;
1295 /* encode any samples remaining in fifo */
1296 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1297 int fs_tmp = enc->frame_size;
1298 enc->frame_size = fifo_bytes / (2 * enc->channels);
1299 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1300 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1301 }
1302 enc->frame_size = fs_tmp;
1303 }
1304 if(ret <= 0) {
1305 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1306 }
1307 audio_size += ret;
1308 pkt.flags |= PKT_FLAG_KEY;
1309 break;
1310 case CODEC_TYPE_VIDEO:
1311 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1312 video_size += ret;
1313 if(enc->coded_frame && enc->coded_frame->key_frame)
1314 pkt.flags |= PKT_FLAG_KEY;
1315 if (ost->logfile && enc->stats_out) {
1316 fprintf(ost->logfile, "%s", enc->stats_out);
1317 }
1318 break;
1319 default:
1320 ret=-1;
1321 }
1322
1323 if(ret<=0)
1324 break;
1325 pkt.data= bit_buffer;
1326 pkt.size= ret;
1327 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1328 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1329 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1330 }
1331 }
1332 }
1333 }
1334 }
1335
1336 return 0;
1337 fail_decode:
1338 return -1;
1339 }
1340
1341
1342 /*
1343 * The following code is the main loop of the file converter
1344 */
1345 static int av_encode(AVFormatContext **output_files,
1346 int nb_output_files,
1347 AVFormatContext **input_files,
1348 int nb_input_files,
1349 AVStreamMap *stream_maps, int nb_stream_maps)
1350 {
1351 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1352 AVFormatContext *is, *os;
1353 AVCodecContext *codec, *icodec;
1354 AVOutputStream *ost, **ost_table = NULL;
1355 AVInputStream *ist, **ist_table = NULL;
1356 AVInputFile *file_table;
1357 AVFormatContext *stream_no_data;
1358 int key;
1359
1360 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1361 if (!file_table)
1362 goto fail;
1363
1364 /* input stream init */
1365 j = 0;
1366 for(i=0;i<nb_input_files;i++) {
1367 is = input_files[i];
1368 file_table[i].ist_index = j;
1369 file_table[i].nb_streams = is->nb_streams;
1370 j += is->nb_streams;
1371 }
1372 nb_istreams = j;
1373
1374 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1375 if (!ist_table)
1376 goto fail;
1377
1378 for(i=0;i<nb_istreams;i++) {
1379 ist = av_mallocz(sizeof(AVInputStream));
1380 if (!ist)
1381 goto fail;
1382 ist_table[i] = ist;
1383 }
1384 j = 0;
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 for(k=0;k<is->nb_streams;k++) {
1388 ist = ist_table[j++];
1389 ist->st = is->streams[k];
1390 ist->file_index = i;
1391 ist->index = k;
1392 ist->discard = 1; /* the stream is discarded by default
1393 (changed later) */
1394
1395 if (ist->st->codec->rate_emu) {
1396 ist->start = av_gettime();
1397 ist->frame = 0;
1398 }
1399 }
1400 }
1401
1402 /* output stream init */
1403 nb_ostreams = 0;
1404 for(i=0;i<nb_output_files;i++) {
1405 os = output_files[i];
1406 if (!os->nb_streams) {
1407 fprintf(stderr, "Output file does not contain any stream\n");
1408 exit(1);
1409 }
1410 nb_ostreams += os->nb_streams;
1411 }
1412 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1413 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1414 exit(1);
1415 }
1416
1417 /* Sanity check the mapping args -- do the input files & streams exist? */
1418 for(i=0;i<nb_stream_maps;i++) {
1419 int fi = stream_maps[i].file_index;
1420 int si = stream_maps[i].stream_index;
1421
1422 if (fi < 0 || fi > nb_input_files - 1 ||
1423 si < 0 || si > file_table[fi].nb_streams - 1) {
1424 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1425 exit(1);
1426 }
1427 fi = stream_maps[i].sync_file_index;
1428 si = stream_maps[i].sync_stream_index;
1429 if (fi < 0 || fi > nb_input_files - 1 ||
1430 si < 0 || si > file_table[fi].nb_streams - 1) {
1431 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1432 exit(1);
1433 }
1434 }
1435
1436 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1437 if (!ost_table)
1438 goto fail;
1439 for(i=0;i<nb_ostreams;i++) {
1440 ost = av_mallocz(sizeof(AVOutputStream));
1441 if (!ost)
1442 goto fail;
1443 ost_table[i] = ost;
1444 }
1445
1446 n = 0;
1447 for(k=0;k<nb_output_files;k++) {
1448 os = output_files[k];
1449 for(i=0;i<os->nb_streams;i++) {
1450 int found;
1451 ost = ost_table[n++];
1452 ost->file_index = k;
1453 ost->index = i;
1454 ost->st = os->streams[i];
1455 if (nb_stream_maps > 0) {
1456 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1457 stream_maps[n-1].stream_index;
1458
1459 /* Sanity check that the stream types match */
1460 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1461 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1462 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1463 ost->file_index, ost->index);
1464 exit(1);
1465 }
1466
1467 } else {
1468 /* get corresponding input stream index : we select the first one with the right type */
1469 found = 0;
1470 for(j=0;j<nb_istreams;j++) {
1471 ist = ist_table[j];
1472 if (ist->discard &&
1473 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1474 ost->source_index = j;
1475 found = 1;
1476 break;
1477 }
1478 }
1479
1480 if (!found) {
1481 /* try again and reuse existing stream */
1482 for(j=0;j<nb_istreams;j++) {
1483 ist = ist_table[j];
1484 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485 ost->source_index = j;
1486 found = 1;
1487 }
1488 }
1489 if (!found) {
1490 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1491 ost->file_index, ost->index);
1492 exit(1);
1493 }
1494 }
1495 }
1496 ist = ist_table[ost->source_index];
1497 ist->discard = 0;
1498 ost->sync_ist = (nb_stream_maps > 0) ?
1499 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1500 stream_maps[n-1].sync_stream_index] : ist;
1501 }
1502 }
1503
1504 /* for each output stream, we compute the right encoding parameters */
1505 for(i=0;i<nb_ostreams;i++) {
1506 ost = ost_table[i];
1507 ist = ist_table[ost->source_index];
1508
1509 codec = ost->st->codec;
1510 icodec = ist->st->codec;
1511
1512 if (ost->st->stream_copy) {
1513 /* if stream_copy is selected, no need to decode or encode */
1514 codec->codec_id = icodec->codec_id;
1515 codec->codec_type = icodec->codec_type;
1516 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1517 codec->bit_rate = icodec->bit_rate;
1518 codec->extradata= icodec->extradata;
1519 codec->extradata_size= icodec->extradata_size;
1520 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1521 codec->time_base = icodec->time_base;
1522 else
1523 codec->time_base = ist->st->time_base;
1524 switch(codec->codec_type) {
1525 case CODEC_TYPE_AUDIO:
1526 codec->sample_rate = icodec->sample_rate;
1527 codec->channels = icodec->channels;
1528 codec->frame_size = icodec->frame_size;
1529 codec->block_align= icodec->block_align;
1530 break;
1531 case CODEC_TYPE_VIDEO:
1532 if(using_vhook) {
1533 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1534 exit(1);
1535 }
1536 codec->pix_fmt = icodec->pix_fmt;
1537 codec->width = icodec->width;
1538 codec->height = icodec->height;
1539 codec->has_b_frames = icodec->has_b_frames;
1540 break;
1541 case CODEC_TYPE_SUBTITLE:
1542 break;
1543 default:
1544 av_abort();
1545 }
1546 } else {
1547 switch(codec->codec_type) {
1548 case CODEC_TYPE_AUDIO:
1549 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1550 goto fail;
1551
1552 if (codec->channels == icodec->channels &&
1553 codec->sample_rate == icodec->sample_rate) {
1554 ost->audio_resample = 0;
1555 } else {
1556 if (codec->channels != icodec->channels &&
1557 (icodec->codec_id == CODEC_ID_AC3 ||
1558 icodec->codec_id == CODEC_ID_DTS)) {
1559 /* Special case for 5:1 AC3 and DTS input */
1560 /* and mono or stereo output */
1561 /* Request specific number of channels */
1562 icodec->channels = codec->channels;
1563 if (codec->sample_rate == icodec->sample_rate)
1564 ost->audio_resample = 0;
1565 else {
1566 ost->audio_resample = 1;
1567 }
1568 } else {
1569 ost->audio_resample = 1;
1570 }
1571 }
1572 if(audio_sync_method>1)
1573 ost->audio_resample = 1;
1574
1575 if(ost->audio_resample){
1576 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1577 codec->sample_rate, icodec->sample_rate);
1578 if(!ost->resample){
1579 printf("Can't resample. Aborting.\n");
1580 av_abort();
1581 }
1582 }
1583 ist->decoding_needed = 1;
1584 ost->encoding_needed = 1;
1585 break;
1586 case CODEC_TYPE_VIDEO:
1587 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1588 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1589 ost->video_resample = ((codec->width != icodec->width -
1590 (frame_leftBand + frame_rightBand) +
1591 (frame_padleft + frame_padright)) ||
1592 (codec->height != icodec->height -
1593 (frame_topBand + frame_bottomBand) +
1594 (frame_padtop + frame_padbottom)) ||
1595 (codec->pix_fmt != icodec->pix_fmt));
1596 if (ost->video_crop) {
1597 ost->topBand = frame_topBand;
1598 ost->leftBand = frame_leftBand;
1599 }
1600 if (ost->video_pad) {
1601 ost->padtop = frame_padtop;
1602 ost->padleft = frame_padleft;
1603 ost->padbottom = frame_padbottom;
1604 ost->padright = frame_padright;
1605 if (!ost->video_resample) {
1606 avcodec_get_frame_defaults(&ost->pict_tmp);
1607 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1608 codec->width, codec->height ) )
1609 goto fail;
1610 }
1611 }
1612 if (ost->video_resample) {
1613 avcodec_get_frame_defaults(&ost->pict_tmp);
1614 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1615 codec->width, codec->height ) )
1616 exit(1);
1617
1618 ost->img_resample_ctx = sws_getContext(
1619 icodec->width - (frame_leftBand + frame_rightBand),
1620 icodec->height - (frame_topBand + frame_bottomBand),
1621 icodec->pix_fmt,
1622 codec->width - (frame_padleft + frame_padright),
1623 codec->height - (frame_padtop + frame_padbottom),
1624 codec->pix_fmt,
1625 sws_flags, NULL, NULL, NULL);
1626 if (ost->img_resample_ctx == NULL) {
1627 fprintf(stderr, "Cannot get resampling context\n");
1628 exit(1);
1629 }
1630 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1631 }
1632 ost->encoding_needed = 1;
1633 ist->decoding_needed = 1;
1634 break;
1635 case CODEC_TYPE_SUBTITLE:
1636 ost->encoding_needed = 1;
1637 ist->decoding_needed = 1;
1638 break;
1639 default:
1640 av_abort();
1641 break;
1642 }
1643 /* two pass mode */
1644 if (ost->encoding_needed &&
1645 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1646 char logfilename[1024];
1647 FILE *f;
1648 int size;
1649 char *logbuffer;
1650
1651 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1652 pass_logfilename ?
1653 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1654 if (codec->flags & CODEC_FLAG_PASS1) {
1655 f = fopen(logfilename, "w");
1656 if (!f) {
1657 perror(logfilename);
1658 exit(1);
1659 }
1660 ost->logfile = f;
1661 } else {
1662 /* read the log file */
1663 f = fopen(logfilename, "r");
1664 if (!f) {
1665 perror(logfilename);
1666 exit(1);
1667 }
1668 fseek(f, 0, SEEK_END);
1669 size = ftell(f);
1670 fseek(f, 0, SEEK_SET);
1671 logbuffer = av_malloc(size + 1);
1672 if (!logbuffer) {
1673 fprintf(stderr, "Could not allocate log buffer\n");
1674 exit(1);
1675 }
1676 size = fread(logbuffer, 1, size, f);
1677 fclose(f);
1678 logbuffer[size] = '\0';
1679 codec->stats_in = logbuffer;
1680 }
1681 }
1682 }
1683 if(codec->codec_type == CODEC_TYPE_VIDEO){
1684 int size= codec->width * codec->height;
1685 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1686 }
1687 }
1688
1689 if (!bit_buffer)
1690 bit_buffer = av_malloc(bit_buffer_size);
1691 if (!bit_buffer)
1692 goto fail;
1693
1694 /* dump the file output parameters - cannot be done before in case
1695 of stream copy */
1696 for(i=0;i<nb_output_files;i++) {
1697 dump_format(output_files[i], i, output_files[i]->filename, 1);
1698 }
1699
1700 /* dump the stream mapping */
1701 if (verbose >= 0) {
1702 fprintf(stderr, "Stream mapping:\n");
1703 for(i=0;i<nb_ostreams;i++) {
1704 ost = ost_table[i];
1705 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1706 ist_table[ost->source_index]->file_index,
1707 ist_table[ost->source_index]->index,
1708 ost->file_index,
1709 ost->index);
1710 if (ost->sync_ist != ist_table[ost->source_index])
1711 fprintf(stderr, " [sync #%d.%d]",
1712 ost->sync_ist->file_index,
1713 ost->sync_ist->index);
1714 fprintf(stderr, "\n");
1715 }
1716 }
1717
1718 /* open each encoder */
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = ost_table[i];
1721 if (ost->encoding_needed) {
1722 AVCodec *codec;
1723 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1724 if (!codec) {
1725 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1726 ost->file_index, ost->index);
1727 exit(1);
1728 }
1729 if (avcodec_open(ost->st->codec, codec) < 0) {
1730 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1731 ost->file_index, ost->index);
1732 exit(1);
1733 }
1734 extra_size += ost->st->codec->extradata_size;
1735 }
1736 }
1737
1738 /* open each decoder */
1739 for(i=0;i<nb_istreams;i++) {
1740 ist = ist_table[i];
1741 if (ist->decoding_needed) {
1742 AVCodec *codec;
1743 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1744 if (!codec) {
1745 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1746 ist->st->codec->codec_id, ist->file_index, ist->index);
1747 exit(1);
1748 }
1749 if (avcodec_open(ist->st->codec, codec) < 0) {
1750 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1751 ist->file_index, ist->index);
1752 exit(1);
1753 }
1754 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1755 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1756 }
1757 }
1758
1759 /* init pts */
1760 for(i=0;i<nb_istreams;i++) {
1761 ist = ist_table[i];
1762 is = input_files[ist->file_index];
1763 ist->pts = 0;
1764 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1765 if(ist->st->start_time == AV_NOPTS_VALUE)
1766 ist->next_pts=0;
1767 if(input_files_ts_offset[ist->file_index])
1768 ist->next_pts= AV_NOPTS_VALUE;
1769 ist->is_start = 1;
1770 }
1771
1772 /* compute buffer size max (should use a complete heuristic) */
1773 for(i=0;i<nb_input_files;i++) {
1774 file_table[i].buffer_size_max = 2048;
1775 }
1776
1777 /* set meta data information from input file if required */
1778 for (i=0;i<nb_meta_data_maps;i++) {
1779 AVFormatContext *out_file;
1780 AVFormatContext *in_file;
1781
1782 int out_file_index = meta_data_maps[i].out_file;
1783 int in_file_index = meta_data_maps[i].in_file;
1784 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1785 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1786 ret = AVERROR(EINVAL);
1787 goto fail;
1788 }
1789 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1790 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1791 ret = AVERROR(EINVAL);
1792 goto fail;
1793 }
1794
1795 out_file = output_files[out_file_index];
1796 in_file = input_files[in_file_index];
1797
1798 strcpy(out_file->title, in_file->title);
1799 strcpy(out_file->author, in_file->author);
1800 strcpy(out_file->copyright, in_file->copyright);
1801 strcpy(out_file->comment, in_file->comment);
1802 strcpy(out_file->album, in_file->album);
1803 out_file->year = in_file->year;
1804 out_file->track = in_file->track;
1805 strcpy(out_file->genre, in_file->genre);
1806 }
1807
1808 /* open files and write file headers */
1809 for(i=0;i<nb_output_files;i++) {
1810 os = output_files[i];
1811 if (av_write_header(os) < 0) {
1812 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1813 ret = AVERROR(EINVAL);
1814 goto fail;
1815 }
1816 }
1817
1818 if ( !using_stdin && verbose >= 0) {
1819 fprintf(stderr, "Press [q] to stop encoding\n");
1820 url_set_interrupt_cb(decode_interrupt_cb);
1821 }
1822 term_init();
1823
1824 stream_no_data = 0;
1825 key = -1;
1826
1827 for(; received_sigterm == 0;) {
1828 int file_index, ist_index;
1829 AVPacket pkt;
1830 double ipts_min;
1831 double opts_min;
1832
1833 redo:
1834 ipts_min= 1e100;
1835 opts_min= 1e100;
1836 /* if 'q' pressed, exits */
1837 if (!using_stdin) {
1838 if (q_pressed)
1839 break;
1840 /* read_key() returns 0 on EOF */
1841 key = read_key();
1842 if (key == 'q')
1843 break;
1844 }
1845
1846 /* select the stream that we must read now by looking at the
1847 smallest output pts */
1848 file_index = -1;
1849 for(i=0;i<nb_ostreams;i++) {
1850 double ipts, opts;
1851 ost = ost_table[i];
1852 os = output_files[ost->file_index];
1853 ist = ist_table[ost->source_index];
1854 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1855 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1856 else
1857 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1858 ipts = (double)ist->pts;
1859 if (!file_table[ist->file_index].eof_reached){
1860 if(ipts < ipts_min) {
1861 ipts_min = ipts;
1862 if(input_sync ) file_index = ist->file_index;
1863 }
1864 if(opts < opts_min) {
1865 opts_min = opts;
1866 if(!input_sync) file_index = ist->file_index;
1867 }
1868 }
1869 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1870 file_index= -1;
1871 break;
1872 }
1873 }
1874 /* if none, if is finished */
1875 if (file_index < 0) {
1876 break;
1877 }
1878
1879 /* finish if recording time exhausted */
1880 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1881 break;
1882
1883 /* finish if limit size exhausted */
1884 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1885 break;
1886
1887 /* read a frame from it and output it in the fifo */
1888 is = input_files[file_index];
1889 if (av_read_frame(is, &pkt) < 0) {
1890 file_table[file_index].eof_reached = 1;
1891 if (opt_shortest) break; else continue; //
1892 }
1893
1894 if (!pkt.size) {
1895 stream_no_data = is;
1896 } else {
1897 stream_no_data = 0;
1898 }
1899 if (do_pkt_dump) {
1900 av_pkt_dump(stdout, &pkt, do_hex_dump);
1901 }
1902 /* the following test is needed in case new streams appear
1903 dynamically in stream : we ignore them */
1904 if (pkt.stream_index >= file_table[file_index].nb_streams)
1905 goto discard_packet;
1906 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1907 ist = ist_table[ist_index];
1908 if (ist->discard)
1909 goto discard_packet;
1910
1911 // 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);
1912 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1913 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1914 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1915 input_files_ts_offset[ist->file_index]-= delta;
1916 if (verbose > 2)
1917 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1918 for(i=0; i<file_table[file_index].nb_streams; i++){
1919 int index= file_table[file_index].ist_index + i;
1920 ist_table[index]->next_pts += delta;
1921 ist_table[index]->is_start=1;
1922 }
1923 }
1924 }
1925
1926 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1927 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1928
1929 if (verbose >= 0)
1930 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1931 ist->file_index, ist->index);
1932
1933 av_free_packet(&pkt);
1934 goto redo;
1935 }
1936
1937 discard_packet:
1938 av_free_packet(&pkt);
1939
1940 /* dump report by using the output first video and audio streams */
1941 print_report(output_files, ost_table, nb_ostreams, 0);
1942 }
1943
1944 /* at the end of stream, we must flush the decoder buffers */
1945 for(i=0;i<nb_istreams;i++) {
1946 ist = ist_table[i];
1947 if (ist->decoding_needed) {
1948 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1949 }
1950 }
1951
1952 term_exit();
1953
1954 /* write the trailer if needed and close file */
1955 for(i=0;i<nb_output_files;i++) {
1956 os = output_files[i];
1957 av_write_trailer(os);
1958 }
1959
1960 /* dump report by using the first video and audio streams */
1961 print_report(output_files, ost_table, nb_ostreams, 1);
1962
1963 /* close each encoder */
1964 for(i=0;i<nb_ostreams;i++) {
1965 ost = ost_table[i];
1966 if (ost->encoding_needed) {
1967 av_freep(&ost->st->codec->stats_in);
1968 avcodec_close(ost->st->codec);
1969 }
1970 }
1971
1972 /* close each decoder */
1973 for(i=0;i<nb_istreams;i++) {
1974 ist = ist_table[i];
1975 if (ist->decoding_needed) {
1976 avcodec_close(ist->st->codec);
1977 }
1978 }
1979
1980 /* finished ! */
1981
1982 ret = 0;
1983 fail1:
1984 av_freep(&bit_buffer);
1985 av_free(file_table);
1986
1987 if (ist_table) {
1988 for(i=0;i<nb_istreams;i++) {
1989 ist = ist_table[i];
1990 av_free(ist);
1991 }
1992 av_free(ist_table);
1993 }
1994 if (ost_table) {
1995 for(i=0;i<nb_ostreams;i++) {
1996 ost = ost_table[i];
1997 if (ost) {
1998 if (ost->logfile) {
1999 fclose(ost->logfile);
2000 ost->logfile = NULL;
2001 }
2002 av_fifo_free(&ost->fifo); /* works even if fifo is not
2003 initialized but set to zero */
2004 av_free(ost->pict_tmp.data[0]);
2005 if (ost->video_resample)
2006 sws_freeContext(ost->img_resample_ctx);
2007 if (ost->audio_resample)
2008 audio_resample_close(ost->resample);
2009 av_free(ost);
2010 }
2011 }
2012 av_free(ost_table);
2013 }
2014 return ret;
2015 fail:
2016 ret = AVERROR(ENOMEM);
2017 goto fail1;
2018 }
2019
2020 #if 0
2021 int file_read(const char *filename)
2022 {
2023 URLContext *h;
2024 unsigned char buffer[1024];
2025 int len, i;
2026
2027 if (url_open(&h, filename, O_RDONLY) < 0) {
2028 printf("could not open '%s'\n", filename);
2029 return -1;
2030 }
2031 for(;;) {
2032 len = url_read(h, buffer, sizeof(buffer));
2033 if (len <= 0)
2034 break;
2035 for(i=0;i<len;i++) putchar(buffer[i]);
2036 }
2037 url_close(h);
2038 return 0;
2039 }
2040 #endif
2041
2042 static void opt_format(const char *arg)
2043 {
2044 /* compatibility stuff for pgmyuv */
2045 if (!strcmp(arg, "pgmyuv")) {
2046 pgmyuv_compatibility_hack=1;
2047 // opt_image_format(arg);
2048 arg = "image2";
2049 }
2050
2051 file_iformat = av_find_input_format(arg);
2052 file_oformat = guess_format(arg, NULL, NULL);
2053 if (!file_iformat && !file_oformat) {
2054 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2055 exit(1);
2056 }
2057 }
2058
2059 static void opt_video_rc_eq(char *arg)
2060 {
2061 video_rc_eq = arg;
2062 }
2063
2064 static void opt_video_rc_override_string(char *arg)
2065 {
2066 video_rc_override_string = arg;
2067 }
2068
2069 static void opt_me_threshold(const char *arg)
2070 {
2071 me_threshold = atoi(arg);
2072 }
2073
2074 static void opt_verbose(const char *arg)
2075 {
2076 verbose = atoi(arg);
2077 av_log_level = atoi(arg);
2078 }
2079
2080 static void opt_frame_rate(const char *arg)
2081 {
2082 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2083 fprintf(stderr, "Incorrect frame rate\n");
2084 exit(1);
2085 }
2086 }
2087
2088 static void opt_frame_crop_top(const char *arg)
2089 {
2090 frame_topBand = atoi(arg);
2091 if (frame_topBand < 0) {
2092 fprintf(stderr, "Incorrect top crop size\n");
2093 exit(1);
2094 }
2095 if ((frame_topBand % 2) != 0) {
2096 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2097 exit(1);
2098 }
2099 if ((frame_topBand) >= frame_height){
2100 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2101 exit(1);
2102 }
2103 frame_height -= frame_topBand;
2104 }
2105
2106 static void opt_frame_crop_bottom(const char *arg)
2107 {
2108 frame_bottomBand = atoi(arg);
2109 if (frame_bottomBand < 0) {
2110 fprintf(stderr, "Incorrect bottom crop size\n");
2111 exit(1);
2112 }
2113 if ((frame_bottomBand % 2) != 0) {
2114 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2115 exit(1);
2116 }
2117 if ((frame_bottomBand) >= frame_height){
2118 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2119 exit(1);
2120 }
2121 frame_height -= frame_bottomBand;
2122 }
2123
2124 static void opt_frame_crop_left(const char *arg)
2125 {
2126 frame_leftBand = atoi(arg);
2127 if (frame_leftBand < 0) {
2128 fprintf(stderr, "Incorrect left crop size\n");
2129 exit(1);
2130 }
2131 if ((frame_leftBand % 2) != 0) {
2132 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2133 exit(1);
2134 }
2135 if ((frame_leftBand) >= frame_width){
2136 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2137 exit(1);
2138 }
2139 frame_width -= frame_leftBand;
2140 }
2141
2142 static void opt_frame_crop_right(const char *arg)
2143 {
2144 frame_rightBand = atoi(arg);
2145 if (frame_rightBand < 0) {
2146 fprintf(stderr, "Incorrect right crop size\n");
2147 exit(1);
2148 }
2149 if ((frame_rightBand % 2) != 0) {
2150 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2151 exit(1);
2152 }
2153 if ((frame_rightBand) >= frame_width){
2154 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2155 exit(1);
2156 }
2157 frame_width -= frame_rightBand;
2158 }
2159
2160 static void opt_frame_size(const char *arg)
2161 {
2162 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2163 fprintf(stderr, "Incorrect frame size\n");
2164 exit(1);
2165 }
2166 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2167 fprintf(stderr, "Frame size must be a multiple of 2\n");
2168 exit(1);
2169 }
2170 }
2171
2172
2173 #define SCALEBITS 10
2174 #define ONE_HALF (1 << (SCALEBITS - 1))
2175 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2176
2177 #define RGB_TO_Y(r, g, b) \
2178 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2179 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2180
2181 #define RGB_TO_U(r1, g1, b1, shift)\
2182 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2183 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2184
2185 #define RGB_TO_V(r1, g1, b1, shift)\
2186 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2187 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2188
2189 static void opt_pad_color(const char *arg) {
2190 /* Input is expected to be six hex digits similar to
2191 how colors are expressed in html tags (but without the #) */
2192 int rgb = strtol(arg, NULL, 16);
2193 int r,g,b;
2194
2195 r = (rgb >> 16);
2196 g = ((rgb >> 8) & 255);
2197 b = (rgb & 255);
2198
2199 padcolor[0] = RGB_TO_Y(r,g,b);
2200 padcolor[1] = RGB_TO_U(r,g,b,0);
2201 padcolor[2] = RGB_TO_V(r,g,b,0);
2202 }
2203
2204 static void opt_frame_pad_top(const char *arg)
2205 {
2206 frame_padtop = atoi(arg);
2207 if (frame_padtop < 0) {
2208 fprintf(stderr, "Incorrect top pad size\n");
2209 exit(1);
2210 }
2211 if ((frame_padtop % 2) != 0) {
2212 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2213 exit(1);
2214 }
2215 }
2216
2217 static void opt_frame_pad_bottom(const char *arg)
2218 {
2219 frame_padbottom = atoi(arg);
2220 if (frame_padbottom < 0) {
2221 fprintf(stderr, "Incorrect bottom pad size\n");
2222 exit(1);
2223 }
2224 if ((frame_padbottom % 2) != 0) {
2225 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2226 exit(1);
2227 }
2228 }
2229
2230
2231 static void opt_frame_pad_left(const char *arg)
2232 {
2233 frame_padleft = atoi(arg);
2234 if (frame_padleft < 0) {
2235 fprintf(stderr, "Incorrect left pad size\n");
2236 exit(1);
2237 }
2238 if ((frame_padleft % 2) != 0) {
2239 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2240 exit(1);
2241 }
2242 }
2243
2244
2245 static void opt_frame_pad_right(const char *arg)
2246 {
2247 frame_padright = atoi(arg);
2248 if (frame_padright < 0) {
2249 fprintf(stderr, "Incorrect right pad size\n");
2250 exit(1);
2251 }
2252 if ((frame_padright % 2) != 0) {
2253 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2254 exit(1);
2255 }
2256 }
2257
2258
2259 static void opt_frame_pix_fmt(const char *arg)
2260 {
2261 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2262 }
2263
2264 static void opt_frame_aspect_ratio(const char *arg)
2265 {
2266 int x = 0, y = 0;
2267 double ar = 0;
2268 const char *p;
2269
2270 p = strchr(arg, ':');
2271 if (p) {
2272 x = strtol(arg, (char **)&arg, 10);
2273 if (arg == p)
2274 y = strtol(arg+1, (char **)&arg, 10);
2275 if (x > 0 && y > 0)
2276 ar = (double)x / (double)y;
2277 } else
2278 ar = strtod(arg, (char **)&arg);
2279
2280 if (!ar) {
2281 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2282 exit(1);
2283 }
2284 frame_aspect_ratio = ar;
2285 }
2286
2287 static void opt_qscale(const char *arg)
2288 {
2289 video_qscale = atof(arg);
2290 if (video_qscale <= 0 ||
2291 video_qscale > 255) {
2292 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2293 exit(1);
2294 }
2295 }
2296
2297 static void opt_qdiff(const char *arg)
2298 {
2299 video_qdiff = atoi(arg);
2300 if (video_qdiff < 0 ||
2301 video_qdiff > 31) {
2302 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2303 exit(1);
2304 }
2305 }
2306
2307 static void opt_strict(const char *arg)
2308 {
2309 strict= atoi(arg);
2310 }
2311
2312 static void opt_top_field_first(const char *arg)
2313 {
2314 top_field_first= atoi(arg);
2315 }
2316
2317 static void opt_thread_count(const char *arg)
2318 {
2319 thread_count= atoi(arg);
2320 #if !defined(HAVE_THREADS)
2321 if (verbose >= 0)
2322 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2323 #endif
2324 }
2325
2326 static void opt_audio_bitrate(const char *arg)
2327 {
2328 audio_bit_rate = atoi(arg) * 1000;
2329 }
2330
2331 static void opt_audio_rate(const char *arg)
2332 {
2333 audio_sample_rate = atoi(arg);
2334 }
2335
2336 static void opt_audio_channels(const char *arg)
2337 {
2338 audio_channels = atoi(arg);
2339 }
2340
2341 static void opt_video_channel(const char *arg)
2342 {
2343 video_channel = strtol(arg, NULL, 0);
2344 }
2345
2346 static void opt_video_standard(const char *arg)
2347 {
2348 video_standard = av_strdup(arg);
2349 }
2350
2351 static void opt_codec(int *pstream_copy, int *pcodec_id,
2352 int codec_type, const char *arg)
2353 {
2354 AVCodec *p;
2355
2356 if (!strcmp(arg, "copy")) {
2357 *pstream_copy = 1;
2358 } else {
2359 p = first_avcodec;
2360 while (p) {
2361 if (!strcmp(p->name, arg) && p->type == codec_type)
2362 break;
2363 p = p->next;
2364 }
2365 if (p == NULL) {
2366 fprintf(stderr, "Unknown codec '%s'\n", arg);
2367 exit(1);
2368 } else {
2369 *pcodec_id = p->id;
2370 }
2371 }
2372 }
2373
2374 static void opt_audio_codec(const char *arg)
2375 {
2376 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2377 }
2378
2379 static void opt_audio_tag(const char *arg)
2380 {
2381 char *tail;
2382 audio_codec_tag= strtol(arg, &tail, 0);
2383
2384 if(!tail || *tail)
2385 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2386 }
2387
2388 static void opt_video_tag(const char *arg)
2389 {
2390 char *tail;
2391 video_codec_tag= strtol(arg, &tail, 0);
2392
2393 if(!tail || *tail)
2394 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2395 }
2396
2397 static void add_frame_hooker(const char *arg)
2398 {
2399 int argc = 0;
2400 char *argv[64];
2401 int i;
2402 char *args = av_strdup(arg);
2403
2404 using_vhook = 1;
2405
2406 argv[0] = strtok(args, " ");
2407 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2408 }
2409
2410 i = frame_hook_add(argc, argv);
2411
2412 if (i != 0) {
2413 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2414 exit(1);
2415 }
2416 }
2417
2418 const char *motion_str[] = {
2419 "zero",
2420 "full",
2421 "log",
2422 "phods",
2423 "epzs",
2424 "x1",
2425 "hex",
2426 "umh",
2427 "iter",
2428 NULL,
2429 };
2430
2431 static void opt_motion_estimation(const char *arg)
2432 {
2433 const char **p;
2434 p = motion_str;
2435 for(;;) {
2436 if (!*p) {
2437 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2438 exit(1);
2439 }
2440 if (!strcmp(*p, arg))
2441 break;
2442 p++;
2443 }
2444 me_method = (p - motion_str) + 1;
2445 }
2446
2447 static void opt_video_codec(const char *arg)
2448 {
2449 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2450 }
2451
2452 static void opt_subtitle_codec(const char *arg)
2453 {
2454 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2455 }
2456
2457 static void opt_map(const char *arg)
2458 {
2459 AVStreamMap *m;
2460 const char *p;
2461
2462 p = arg;
2463 m = &stream_maps[nb_stream_maps++];
2464
2465 m->file_index = strtol(arg, (char **)&p, 0);
2466 if (*p)
2467 p++;
2468
2469 m->stream_index = strtol(p, (char **)&p, 0);
2470 if (*p) {
2471 p++;
2472 m->sync_file_index = strtol(p, (char **)&p, 0);
2473 if (*p)
2474 p++;
2475 m->sync_stream_index = strtol(p, (char **)&p, 0);
2476 } else {
2477 m->sync_file_index = m->file_index;
2478 m->sync_stream_index = m->stream_index;
2479 }
2480 }
2481
2482 static void opt_map_meta_data(const char *arg)
2483 {
2484 AVMetaDataMap *m;
2485 const char *p;
2486
2487 p = arg;
2488 m = &meta_data_maps[nb_meta_data_maps++];
2489
2490 m->out_file = strtol(arg, (char **)&p, 0);
2491 if (*p)
2492 p++;
2493
2494 m->in_file = strtol(p, (char **)&p, 0);
2495 }
2496
2497 static void opt_recording_time(const char *arg)
2498 {
2499 recording_time = parse_date(arg, 1);
2500 }
2501
2502 static void opt_start_time(const char *arg)
2503 {
2504 start_time = parse_date(arg, 1);
2505 }
2506
2507 static void opt_rec_timestamp(const char *arg)
2508 {
2509 rec_timestamp = parse_date(arg, 0) / 1000000;
2510 }
2511
2512 static void opt_input_ts_offset(const char *arg)
2513 {
2514 input_ts_offset = parse_date(arg, 1);
2515 }
2516
2517 static void opt_input_file(const char *filename)
2518 {
2519 AVFormatContext *ic;
2520 AVFormatParameters params, *ap = &params;
2521 int err, i, ret, rfps, rfps_base;
2522 int64_t timestamp;
2523
2524 if (!strcmp(filename, "-"))
2525 filename = "pipe:";
2526
2527 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2528 !strcmp( filename, "/dev/stdin" );
2529
2530 /* get default parameters from command line */
2531 ic = av_alloc_format_context();
2532
2533 memset(ap, 0, sizeof(*ap));
2534 ap->prealloced_context = 1;
2535 ap->sample_rate = audio_sample_rate;
2536 ap->channels = audio_channels;
2537 ap->time_base.den = frame_rate;
2538 ap->time_base.num = frame_rate_base;
2539 ap->width = frame_width + frame_padleft + frame_padright;
2540 ap->height = frame_height + frame_padtop + frame_padbottom;
2541 ap->pix_fmt = frame_pix_fmt;
2542 ap->channel = video_channel;
2543 ap->standard = video_standard;
2544 ap->video_codec_id = video_codec_id;
2545 ap->audio_codec_id = audio_codec_id;
2546 if(pgmyuv_compatibility_hack)
2547 ap->video_codec_id= CODEC_ID_PGMYUV;
2548
2549 for(i=0; i<opt_name_count; i++){
2550 const AVOption *opt;
2551 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2552 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2553 av_set_double(ic, opt_names[i], d);
2554 }
2555 /* open the input file with generic libav function */
2556 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2557 if (err < 0) {
2558 print_error(filename, err);
2559 exit(1);
2560 }
2561
2562 ic->loop_input = loop_input;
2563
2564 /* If not enough info to get the stream parameters, we decode the
2565 first frames to get it. (used in mpeg case for example) */
2566 ret = av_find_stream_info(ic);
2567 if (ret < 0 && verbose >= 0) {
2568 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2569 exit(1);
2570 }
2571
2572 timestamp = start_time;
2573 /* add the stream start time */
2574 if (ic->start_time != AV_NOPTS_VALUE)
2575 timestamp += ic->start_time;
2576
2577 /* if seeking requested, we execute it */
2578 if (start_time != 0) {
2579 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2580 if (ret < 0) {
2581 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2582 filename, (double)timestamp / AV_TIME_BASE);
2583 }
2584 /* reset seek info */
2585 start_time = 0;
2586 }
2587
2588 /* update the current parameters so that they match the one of the input stream */
2589 for(i=0;i<ic->nb_streams;i++) {
2590 int j;
2591 AVCodecContext *enc = ic->streams[i]->codec;
2592 #if defined(HAVE_THREADS)
2593 if(thread_count>1)
2594 avcodec_thread_init(enc, thread_count);
2595 #endif
2596 enc->thread_count= thread_count;
2597 switch(enc->codec_type) {
2598 case CODEC_TYPE_AUDIO:
2599 for(j=0; j<opt_name_count; j++){
2600 const AVOption *opt;
2601 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2602 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2603 av_set_double(enc, opt_names[j], d);
2604 }
2605 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2606 audio_channels = enc->channels;
2607 audio_sample_rate = enc->sample_rate;
2608 if(audio_disable)
2609 ic->streams[i]->discard= AVDISCARD_ALL;
2610 break;
2611 case CODEC_TYPE_VIDEO:
2612 for(j=0; j<opt_name_count; j++){
2613 const AVOption *opt;
2614 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2615 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2616 av_set_double(enc, opt_names[j], d);
2617 }
2618 frame_height = enc->height;
2619 frame_width = enc->width;
2620 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2621 frame_pix_fmt = enc->pix_fmt;
2622 rfps = ic->streams[i]->r_frame_rate.num;
2623 rfps_base = ic->streams[i]->r_frame_rate.den;
2624 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2625 if(me_threshold)
2626 enc->debug |= FF_DEBUG_MV;
2627
2628 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2629
2630 if (verbose >= 0)
2631 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2632 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2633
2634 (float)rfps / rfps_base, rfps, rfps_base);
2635 }
2636 /* update the current frame rate to match the stream frame rate */
2637 frame_rate = rfps;
2638 frame_rate_base = rfps_base;
2639
2640 enc->rate_emu = rate_emu;
2641 if(video_disable)
2642 ic->streams[i]->discard= AVDISCARD_ALL;
2643 else if(video_discard)
2644 ic->streams[i]->discard= video_discard;
2645 break;
2646 case CODEC_TYPE_DATA:
2647 break;
2648 case CODEC_TYPE_SUBTITLE:
2649 break;
2650 case CODEC_TYPE_UNKNOWN:
2651 break;
2652 default:
2653 av_abort();
2654 }
2655 }
2656
2657 input_files[nb_input_files] = ic;
2658 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2659 /* dump the file content */
2660 if (verbose >= 0)
2661 dump_format(ic, nb_input_files, filename, 0);
2662
2663 nb_input_files++;
2664 file_iformat = NULL;
2665 file_oformat = NULL;
2666
2667 video_channel = 0;
2668
2669 rate_emu = 0;
2670 }
2671
2672 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2673 {
2674 int has_video, has_audio, i, j;
2675 AVFormatContext *ic;
2676
2677 has_video = 0;
2678 has_audio = 0;
2679 for(j=0;j<nb_input_files;j++) {
2680 ic = input_files[j];
2681 for(i=0;i<ic->nb_streams;i++) {
2682 AVCodecContext *enc = ic->streams[i]->codec;
2683 switch(enc->codec_type) {
2684 case CODEC_TYPE_AUDIO:
2685 has_audio = 1;
2686 break;
2687 case CODEC_TYPE_VIDEO:
2688 has_video = 1;
2689 break;
2690 case CODEC_TYPE_DATA:
2691 case CODEC_TYPE_UNKNOWN:
2692 case CODEC_TYPE_SUBTITLE:
2693 break;
2694 default:
2695 av_abort();
2696 }
2697 }
2698 }
2699 *has_video_ptr = has_video;
2700 *has_audio_ptr = has_audio;
2701 }
2702
2703 static void new_video_stream(AVFormatContext *oc)
2704 {
2705 AVStream *st;
2706 AVCodecContext *video_enc;
2707 int codec_id;
2708
2709 st = av_new_stream(oc, oc->nb_streams);
2710 if (!st) {
2711 fprintf(stderr, "Could not alloc stream\n");
2712 exit(1);
2713 }
2714 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2715 video_bitstream_filters= NULL;
2716
2717 #if defined(HAVE_THREADS)
2718 if(thread_count>1)
2719 avcodec_thread_init(st->codec, thread_count);
2720 #endif
2721
2722 video_enc = st->codec;
2723
2724 if(video_codec_tag)
2725 video_enc->codec_tag= video_codec_tag;
2726
2727 if( (video_global_header&1)
2728 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2729 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2730 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2731 }
2732 if(video_global_header&2){
2733 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2734 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2735 }
2736
2737 if (video_stream_copy) {
2738 st->stream_copy = 1;
2739 video_enc->codec_type = CODEC_TYPE_VIDEO;
2740 } else {
2741 char *p;
2742 int i;
2743 AVCodec *codec;
2744
2745 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2746 if (video_codec_id != CODEC_ID_NONE)
2747 codec_id = video_codec_id;
2748
2749 video_enc->codec_id = codec_id;
2750 codec = avcodec_find_encoder(codec_id);
2751
2752 for(i=0; i<opt_name_count; i++){
2753 const AVOption *opt;
2754 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2755 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2756 av_set_double(video_enc, opt_names[i], d);
2757 }
2758
2759 video_enc->time_base.den = frame_rate;
2760 video_enc->time_base.num = frame_rate_base;
2761 if(codec && codec->supported_framerates){
2762 const AVRational *p= codec->supported_framerates;
2763 AVRational req= (AVRational){frame_rate, frame_rate_base};
2764 const AVRational *best=NULL;
2765 AVRational best_error= (AVRational){INT_MAX, 1};
2766 for(; p->den!=0; p++){
2767 AVRational error= av_sub_q(req, *p);
2768 if(error.num <0) error.num *= -1;
2769 if(av_cmp_q(error, best_error) < 0){
2770 best_error= error;
2771 best= p;
2772 }
2773 }
2774 video_enc->time_base.den= best->num;
2775 video_enc->time_base.num= best->den;
2776 }
2777
2778 video_enc->width = frame_width + frame_padright + frame_padleft;
2779 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2780 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2781 video_enc->pix_fmt = frame_pix_fmt;
2782
2783 if(codec && codec->pix_fmts){
2784 const enum PixelFormat *p= codec->pix_fmts;
2785 for(; *p!=-1; p++){
2786 if(*p == video_enc->pix_fmt)
2787 break;
2788 }
2789 if(*p == -1)
2790 video_enc->pix_fmt = codec->pix_fmts[0];
2791 }
2792
2793 if (intra_only)
2794 video_enc->gop_size = 0;
2795 if (video_qscale || same_quality) {
2796 video_enc->flags |= CODEC_FLAG_QSCALE;
2797 video_enc->global_quality=
2798 st->quality = FF_QP2LAMBDA * video_qscale;
2799 }
2800
2801 if(intra_matrix)
2802 video_enc->intra_matrix = intra_matrix;
2803 if(inter_matrix)
2804 video_enc->inter_matrix = inter_matrix;
2805
2806 video_enc->max_qdiff = video_qdiff;
2807 video_enc->rc_eq = video_rc_eq;
2808 video_enc->thread_count = thread_count;
2809 p= video_rc_override_string;
2810 for(i=0; p; i++){
2811 int start, end, q;
2812 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2813 if(e!=3){
2814 fprintf(stderr, "error parsing rc_override\n");
2815 exit(1);
2816 }
2817 video_enc->rc_override=
2818 av_realloc(video_enc->rc_override,
2819 sizeof(RcOverride)*(i+1));
2820 video_enc->rc_override[i].start_frame= start;
2821 video_enc->rc_override[i].end_frame = end;
2822 if(q>0){
2823 video_enc->rc_override[i].qscale= q;
2824 video_enc->rc_override[i].quality_factor= 1.0;
2825 }
2826 else{
2827 video_enc->rc_override[i].qscale= 0;
2828 video_enc->rc_override[i].quality_factor= -q/100.0;
2829 }
2830 p= strchr(p, '/');
2831 if(p) p++;
2832 }
2833 video_enc->rc_override_count=i;
2834 if (!video_enc->rc_initial_buffer_occupancy)
2835 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2836 video_enc->me_threshold= me_threshold;
2837 video_enc->intra_dc_precision= intra_dc_precision - 8;
2838 video_enc->strict_std_compliance = strict;
2839
2840 if (do_psnr)
2841 video_enc->flags|= CODEC_FLAG_PSNR;
2842
2843 video_enc->me_method = me_method;
2844
2845 /* two pass mode */
2846 if (do_pass) {
2847 if (do_pass == 1) {
2848 video_enc->flags |= CODEC_FLAG_PASS1;
2849 } else {
2850 video_enc->flags |= CODEC_FLAG_PASS2;
2851 }
2852 }
2853 }
2854
2855 /* reset some key parameters */
2856 video_disable = 0;
2857 video_codec_id = CODEC_ID_NONE;
2858 video_stream_copy = 0;
2859 }
2860
2861 static void new_audio_stream(AVFormatContext *oc)
2862 {
2863 AVStream *st;
2864 AVCodecContext *audio_enc;
2865 int codec_id, i;
2866
2867 st = av_new_stream(oc, oc->nb_streams);
2868 if (!st) {
2869 fprintf(stderr, "Could not alloc stream\n");
2870 exit(1);
2871 }
2872
2873 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2874 audio_bitstream_filters= NULL;
2875
2876 #if defined(HAVE_THREADS)
2877 if(thread_count>1)
2878 avcodec_thread_init(st->codec, thread_count);
2879 #endif
2880
2881 audio_enc = st->codec;
2882 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2883 audio_enc->strict_std_compliance = strict;
2884
2885 if(audio_codec_tag)
2886 audio_enc->codec_tag= audio_codec_tag;
2887
2888 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2889 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2890 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2891 }
2892 if (audio_stream_copy) {
2893 st->stream_copy = 1;
2894 audio_enc->channels = audio_channels;
2895 } else {
2896 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2897
2898 for(i=0; i<opt_name_count; i++){
2899 const AVOption *opt;
2900 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2901 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2902 av_set_double(audio_enc, opt_names[i], d);
2903 }
2904
2905 if (audio_codec_id != CODEC_ID_NONE)
2906 codec_id = audio_codec_id;
2907 audio_enc->codec_id = codec_id;
2908
2909 audio_enc->bit_rate = audio_bit_rate;
2910 if (audio_qscale > QSCALE_NONE) {
2911 audio_enc->flags |= CODEC_FLAG_QSCALE;
2912 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2913 }
2914 audio_enc->thread_count = thread_count;
2915 audio_enc->channels = audio_channels;
2916 }
2917 audio_enc->sample_rate = audio_sample_rate;
2918 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2919 if (audio_language) {
2920 pstrcpy(st->language, sizeof(st->language), audio_language);
2921 av_free(audio_language);
2922 audio_language = NULL;
2923 }
2924
2925 /* reset some key parameters */
2926 audio_disable = 0;
2927 audio_codec_id = CODEC_ID_NONE;
2928 audio_stream_copy = 0;
2929 }
2930
2931 static void opt_new_subtitle_stream(void)
2932 {
2933 AVFormatContext *oc;
2934 AVStream *st;
2935 AVCodecContext *subtitle_enc;
2936 int i;
2937
2938 if (nb_output_files <= 0) {
2939 fprintf(stderr, "At least one output file must be specified\n");
2940 exit(1);
2941 }
2942 oc = output_files[nb_output_files - 1];
2943
2944 st = av_new_stream(oc, oc->nb_streams);
2945 if (!st) {
2946 fprintf(stderr, "Could not alloc stream\n");
2947 exit(1);
2948 }
2949
2950 subtitle_enc = st->codec;
2951 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2952 if (subtitle_stream_copy) {
2953 st->stream_copy = 1;
2954 } else {
2955 for(i=0; i<opt_name_count; i++){
2956 const AVOption *opt;
2957 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2958 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2959 av_set_double(subtitle_enc, opt_names[i], d);
2960 }
2961 subtitle_enc->codec_id = subtitle_codec_id;
2962 }
2963
2964 if (subtitle_language) {
2965 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2966 av_free(subtitle_language);
2967 subtitle_language = NULL;
2968 }
2969
2970 subtitle_codec_id = CODEC_ID_NONE;
2971 subtitle_stream_copy = 0;
2972 }
2973
2974 static void opt_new_audio_stream(void)
2975 {
2976 AVFormatContext *oc;
2977 if (nb_output_files <= 0) {
2978 fprintf(stderr, "At least one output file must be specified\n");
2979 exit(1);
2980 }
2981 oc = output_files[nb_output_files - 1];
2982 new_audio_stream(oc);
2983 }
2984
2985 static void opt_new_video_stream(void)
2986 {
2987 AVFormatContext *oc;
2988 if (nb_output_files <= 0) {
2989 fprintf(stderr, "At least one output file must be specified\n");
2990 exit(1);
2991 }
2992 oc = output_files[nb_output_files - 1];
2993 new_video_stream(oc);
2994 }
2995
2996 static void opt_output_file(const char *filename)
2997 {
2998 AVFormatContext *oc;
2999 int use_video, use_audio, input_has_video, input_has_audio, i;
3000 AVFormatParameters params, *ap = &params;
3001
3002 if (!strcmp(filename, "-"))
3003 filename = "pipe:";
3004
3005 oc = av_alloc_format_context();
3006
3007 if (!file_oformat) {
3008 file_oformat = guess_format(NULL, filename, NULL);
3009 if (!file_oformat) {
3010 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3011 filename);
3012 exit(1);
3013 }
3014 }
3015
3016 oc->oformat = file_oformat;
3017 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3018
3019 if (!strcmp(file_oformat->name, "ffm") &&
3020 strstart(filename, "http:", NULL)) {
3021 /* special case for files sent to ffserver: we get the stream
3022 parameters from ffserver */
3023 if (read_ffserver_streams(oc, filename) < 0) {
3024 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3025 exit(1);
3026 }
3027 } else {
3028 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3029 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3030
3031 /* disable if no corresponding type found and at least one
3032 input file */
3033 if (nb_input_files > 0) {
3034 check_audio_video_inputs(&input_has_video, &input_has_audio);
3035 if (!input_has_video)
3036 use_video = 0;
3037 if (!input_has_audio)
3038 use_audio = 0;
3039 }
3040
3041 /* manual disable */
3042 if (audio_disable) {
3043 use_audio = 0;
3044 }
3045 if (video_disable) {
3046 use_video = 0;
3047 }
3048
3049 if (use_video) {
3050 new_video_stream(oc);
3051 }
3052
3053 if (use_audio) {
3054 new_audio_stream(oc);
3055 }
3056
3057 oc->timestamp = rec_timestamp;
3058
3059 if (str_title)
3060 pstrcpy(oc->title, sizeof(oc->title), str_title);
3061 if (str_author)
3062 pstrcpy(oc->author, sizeof(oc->author), str_author);
3063 if (str_copyright)
3064 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3065 if (str_comment)
3066 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3067 if (str_album)
3068 pstrcpy(oc->album, sizeof(oc->album), str_album);
3069 }
3070
3071 output_files[nb_output_files++] = oc;
3072
3073 /* check filename in case of an image number is expected */
3074 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3075 if (!av_filename_number_test(oc->filename)) {
3076 print_error(oc->filename, AVERROR_NUMEXPECTED);
3077 exit(1);
3078 }
3079 }
3080
3081 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3082 /* test if it already exists to avoid loosing precious files */
3083 if (!file_overwrite &&
3084 (strchr(filename, ':') == NULL ||
3085 strstart(filename, "file:", NULL))) {
3086 if (url_exist(filename)) {
3087 int c;
3088
3089 if ( !using_stdin ) {
3090 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3091 fflush(stderr);
3092 c = getchar();
3093 if (toupper(c) != 'Y') {
3094 fprintf(stderr, "Not overwriting - exiting\n");
3095 exit(1);
3096 }
3097 }
3098 else {
3099 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3100 exit(1);
3101 }
3102 }
3103 }
3104
3105 /* open the file */
3106 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3107 fprintf(stderr, "Could not open '%s'\n", filename);
3108 exit(1);
3109 }
3110 }
3111
3112 memset(ap, 0, sizeof(*ap));
3113 if (av_set_parameters(oc, ap) < 0) {
3114 fprintf(stderr, "%s: Invalid encoding parameters\n",
3115 oc->filename);
3116 exit(1);
3117 }
3118
3119 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3120 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3121 oc->loop_output = loop_output;
3122
3123 for(i=0; i<opt_name_count; i++){
3124 const AVOption *opt;
3125 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3126 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3127 av_set_double(oc, opt_names[i], d);
3128 }
3129
3130 /* reset some options */
3131 file_oformat = NULL;
3132 file_iformat = NULL;
3133 }
3134
3135 /* same option as mencoder */
3136 static void opt_pass(const char *pass_str)
3137 {
3138 int pass;
3139 pass = atoi(pass_str);
3140 if (pass != 1 && pass != 2) {
3141 fprintf(stderr, "pass number can be only 1 or 2\n");
3142 exit(1);
3143 }
3144 do_pass = pass;
3145 }
3146
3147 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3148 static int64_t getutime(void)
3149 {
3150 return av_gettime();
3151 }
3152 #else
3153 static int64_t getutime(void)
3154 {
3155 struct rusage rusage;
3156
3157 getrusage(RUSAGE_SELF, &rusage);
3158 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3159 }
3160 #endif
3161
3162 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3163 extern int ffm_nopts;
3164 #endif
3165
3166 static void show_formats(void)
3167 {
3168 AVInputFormat *ifmt;
3169 AVOutputFormat *ofmt;
3170 URLProtocol *up;
3171 AVCodec *p, *p2;
3172 const char **pp, *last_name;
3173
3174 printf("File formats:\n");
3175 last_name= "000";
3176 for(;;){
3177 int decode=0;
3178 int encode=0;
3179 const char *name=NULL;
3180 const char *long_name=NULL;
3181
3182 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3183 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3184 strcmp(ofmt->name, last_name)>0){
3185 name= ofmt->name;
3186 long_name= ofmt->long_name;
3187 encode=1;
3188 }
3189 }
3190 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3191 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3192 strcmp(ifmt->name, last_name)>0){
3193 name= ifmt->name;
3194 long_name= ifmt->long_name;
3195 encode=0;
3196 }
3197 if(name && strcmp(ifmt->name, name)==0)
3198 decode=1;
3199 }
3200 if(name==NULL)
3201 break;
3202 last_name= name;
3203
3204 printf(
3205 " %s%s %-15s %s\n",
3206 decode ? "D":" ",
3207 encode ? "E":" ",
3208 name,
3209 long_name ? long_name:" ");
3210 }
3211 printf("\n");
3212
3213 printf("Codecs:\n");
3214 last_name= "000";
3215 for(;;){
3216 int decode=0;
3217 int encode=0;
3218 int cap=0;
3219 const char *type_str;
3220
3221 p2=NULL;
3222 for(p = first_avcodec; p != NULL; p = p->next) {
3223 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3224 strcmp(p->name, last_name)>0){
3225 p2= p;
3226 decode= encode= cap=0;
3227 }
3228 if(p2 && strcmp(p->name, p2->name)==0){
3229 if(p->decode) decode=1;
3230 if(p->encode) encode=1;
3231 cap |= p->capabilities;
3232 }
3233 }
3234 if(p2==NULL)
3235 break;
3236 last_name= p2->name;
3237
3238 switch(p2->type) {
3239 case CODEC_TYPE_VIDEO:
3240 type_str = "V";
3241 break;
3242 case CODEC_TYPE_AUDIO:
3243 type_str = "A";
3244 break;
3245 case CODEC_TYPE_SUBTITLE:
3246 type_str = "S";
3247 break;
3248 default:
3249 type_str = "?";
3250 break;
3251 }
3252 printf(
3253 " %s%s%s%s%s%s %s",
3254 de