remove old unused string functions
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <signal.h>
23 #include <limits.h>
24 #include "avformat.h"
25 #include "swscale.h"
26 #include "framehook.h"
27 #include "opt.h"
28 #include "fifo.h"
29
30 #ifdef __MINGW32__
31 #include <conio.h>
32 #else
33 #include <unistd.h>
34 #include <fcntl.h>
35 #include <sys/ioctl.h>
36 #include <sys/time.h>
37 #include <termios.h>
38 #include <sys/resource.h>
39 #endif
40 #ifdef CONFIG_OS2
41 #include <sys/types.h>
42 #include <sys/select.h>
43 #include <stdlib.h>
44 #endif
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
46 #include <time.h>
47
48 #include "version.h"
49 #include "cmdutils.h"
50
51 #undef NDEBUG
52 #include <assert.h>
53
54 #if !defined(INFINITY) && defined(HUGE_VAL)
55 #define INFINITY HUGE_VAL
56 #endif
57
58 #undef exit
59
60 /* select an input stream for an output stream */
61 typedef struct AVStreamMap {
62 int file_index;
63 int stream_index;
64 int sync_file_index;
65 int sync_stream_index;
66 } AVStreamMap;
67
68 /** select an input file for an output file */
69 typedef struct AVMetaDataMap {
70 int out_file;
71 int in_file;
72 } AVMetaDataMap;
73
74 extern const OptionDef options[];
75
76 static void show_help(void);
77 static void show_license(void);
78 static int opt_default(const char *opt, const char *arg);
79
80 #define MAX_FILES 20
81
82 static AVFormatContext *input_files[MAX_FILES];
83 static int64_t input_files_ts_offset[MAX_FILES];
84 static int nb_input_files = 0;
85
86 static AVFormatContext *output_files[MAX_FILES];
87 static int nb_output_files = 0;
88
89 static AVStreamMap stream_maps[MAX_FILES];
90 static int nb_stream_maps;
91
92 static AVMetaDataMap meta_data_maps[MAX_FILES];
93 static int nb_meta_data_maps;
94
95 static AVInputFormat *file_iformat;
96 static AVOutputFormat *file_oformat;
97 static int frame_width = 0;
98 static int frame_height = 0;
99 static float frame_aspect_ratio = 0;
100 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
101 static int frame_padtop = 0;
102 static int frame_padbottom = 0;
103 static int frame_padleft = 0;
104 static int frame_padright = 0;
105 static int padcolor[3] = {16,128,128}; /* default to black */
106 static int frame_topBand = 0;
107 static int frame_bottomBand = 0;
108 static int frame_leftBand = 0;
109 static int frame_rightBand = 0;
110 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
111 static AVRational frame_rate = (AVRational) {25,1};
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 #define QSCALE_NONE -99999
141 static float audio_qscale = QSCALE_NONE;
142 static int audio_disable = 0;
143 static int audio_channels = 1;
144 static int audio_codec_id = CODEC_ID_NONE;
145 static int audio_codec_tag = 0;
146 static char *audio_language = NULL;
147
148 static int subtitle_codec_id = CODEC_ID_NONE;
149 static char *subtitle_language = NULL;
150
151 static float mux_preload= 0.5;
152 static float mux_max_delay= 0.7;
153
154 static int64_t recording_time = 0;
155 static int64_t start_time = 0;
156 static int64_t rec_timestamp = 0;
157 static int64_t input_ts_offset = 0;
158 static int file_overwrite = 0;
159 static char *str_title = NULL;
160 static char *str_author = NULL;
161 static char *str_copyright = NULL;
162 static char *str_comment = NULL;
163 static char *str_album = NULL;
164 static int do_benchmark = 0;
165 static int do_hex_dump = 0;
166 static int do_pkt_dump = 0;
167 static int do_psnr = 0;
168 static int do_pass = 0;
169 static char *pass_logfilename = NULL;
170 static int audio_stream_copy = 0;
171 static int video_stream_copy = 0;
172 static int subtitle_stream_copy = 0;
173 static int video_sync_method= 1;
174 static int audio_sync_method= 0;
175 static int copy_ts= 0;
176 static int opt_shortest = 0; //
177 static int video_global_header = 0;
178 static char *vstats_filename;
179 static FILE *fvstats;
180
181 static int rate_emu = 0;
182
183 static int video_channel = 0;
184 static char *video_standard;
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 uint64_t 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 struct SwsContext *sws_opts;
211 static int64_t timer_start = 0;
212
213 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
215 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
216
217 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
218
219 struct AVInputStream;
220
221 typedef struct AVOutputStream {
222 int file_index; /* file index */
223 int index; /* stream index in the output file */
224 int source_index; /* AVInputStream index */
225 AVStream *st; /* stream in the output file */
226 int encoding_needed; /* true if encoding needed for this stream */
227 int frame_number;
228 /* input pts and corresponding output pts
229 for A/V sync */
230 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
231 struct AVInputStream *sync_ist; /* input stream to sync against */
232 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
233 /* video only */
234 int video_resample;
235 AVFrame pict_tmp; /* temporary image for resampling */
236 struct SwsContext *img_resample_ctx; /* for image resampling */
237 int resample_height;
238
239 int video_crop;
240 int topBand; /* cropping area sizes */
241 int leftBand;
242
243 int video_pad;
244 int padtop; /* padding area sizes */
245 int padbottom;
246 int padleft;
247 int padright;
248
249 /* audio only */
250 int audio_resample;
251 ReSampleContext *resample; /* for audio resampling */
252 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
253 FILE *logfile;
254 } AVOutputStream;
255
256 typedef struct AVInputStream {
257 int file_index;
258 int index;
259 AVStream *st;
260 int discard; /* true if stream data should be discarded */
261 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
262 int64_t sample_index; /* current sample */
263
264 int64_t start; /* time when read started */
265 unsigned long frame; /* current frame */
266 int64_t next_pts; /* synthetic pts for cases where pkt.pts
267 is not defined */
268 int64_t pts; /* current pts */
269 int is_start; /* is 1 at the start and after a discontinuity */
270 } AVInputStream;
271
272 typedef struct AVInputFile {
273 int eof_reached; /* true if eof reached */
274 int ist_index; /* index of first stream in ist_table */
275 int buffer_size; /* current total buffer size */
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 1000000 * ist->pts / AV_TIME_BASE);
607
608 if (picture != picture2)
609 *picture = *picture2;
610 *bufp = buf;
611 }
612
613 /* we begin to correct av delay at this threshold */
614 #define AV_DELAY_MAX 0.100
615
616 static void do_subtitle_out(AVFormatContext *s,
617 AVOutputStream *ost,
618 AVInputStream *ist,
619 AVSubtitle *sub,
620 int64_t pts)
621 {
622 static uint8_t *subtitle_out = NULL;
623 int subtitle_out_max_size = 65536;
624 int subtitle_out_size, nb, i;
625 AVCodecContext *enc;
626 AVPacket pkt;
627
628 if (pts == AV_NOPTS_VALUE) {
629 fprintf(stderr, "Subtitle packets must have a pts\n");
630 return;
631 }
632
633 enc = ost->st->codec;
634
635 if (!subtitle_out) {
636 subtitle_out = av_malloc(subtitle_out_max_size);
637 }
638
639 /* Note: DVB subtitle need one packet to draw them and one other
640 packet to clear them */
641 /* XXX: signal it in the codec context ? */
642 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
643 nb = 2;
644 else
645 nb = 1;
646
647 for(i = 0; i < nb; i++) {
648 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
649 subtitle_out_max_size, sub);
650
651 av_init_packet(&pkt);
652 pkt.stream_index = ost->index;
653 pkt.data = subtitle_out;
654 pkt.size = subtitle_out_size;
655 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);
656 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
657 /* XXX: the pts correction is handled here. Maybe handling
658 it in the codec would be better */
659 if (i == 0)
660 pkt.pts += 90 * sub->start_display_time;
661 else
662 pkt.pts += 90 * sub->end_display_time;
663 }
664 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
665 }
666 }
667
668 static int bit_buffer_size= 1024*256;
669 static uint8_t *bit_buffer= NULL;
670
671 static void do_video_out(AVFormatContext *s,
672 AVOutputStream *ost,
673 AVInputStream *ist,
674 AVFrame *in_picture,
675 int *frame_size)
676 {
677 int nb_frames, i, ret;
678 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
679 AVFrame picture_crop_temp, picture_pad_temp;
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 return;
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 return;
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 }
836
837 static double psnr(double d){
838 if(d==0) return INFINITY;
839 return -10.0*log(d)/log(10.0);
840 }
841
842 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
843 int frame_size)
844 {
845 AVCodecContext *enc;
846 int frame_number;
847 int64_t ti;
848 double ti1, bitrate, avg_bitrate;
849
850 /* this is executed just the first time do_video_stats is called */
851 if (!fvstats) {
852 fvstats = fopen(vstats_filename, "w");
853 if (!fvstats) {
854 perror("fopen");
855 exit(1);
856 }
857 }
858
859 ti = INT64_MAX;
860 enc = ost->st->codec;
861 if (enc->codec_type == CODEC_TYPE_VIDEO) {
862 frame_number = ost->frame_number;
863 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
864 if (enc->flags&CODEC_FLAG_PSNR)
865 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
866
867 fprintf(fvstats,"f_size= %6d ", frame_size);
868 /* compute pts value */
869 ti1 = ost->sync_opts * av_q2d(enc->time_base);
870 if (ti1 < 0.01)
871 ti1 = 0.01;
872
873 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
874 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
875 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
876 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
877 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
878 }
879 }
880
881 static void print_report(AVFormatContext **output_files,
882 AVOutputStream **ost_table, int nb_ostreams,
883 int is_last_report)
884 {
885 char buf[1024];
886 AVOutputStream *ost;
887 AVFormatContext *oc, *os;
888 int64_t total_size;
889 AVCodecContext *enc;
890 int frame_number, vid, i;
891 double bitrate, ti1, pts;
892 static int64_t last_time = -1;
893 static int qp_histogram[52];
894
895 if (!is_last_report) {
896 int64_t cur_time;
897 /* display the report every 0.5 seconds */
898 cur_time = av_gettime();
899 if (last_time == -1) {
900 last_time = cur_time;
901 return;
902 }
903 if ((cur_time - last_time) < 500000)
904 return;
905 last_time = cur_time;
906 }
907
908
909 oc = output_files[0];
910
911 total_size = url_fsize(&oc->pb);
912 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
913 total_size= url_ftell(&oc->pb);
914
915 buf[0] = '\0';
916 ti1 = 1e10;
917 vid = 0;
918 for(i=0;i<nb_ostreams;i++) {
919 ost = ost_table[i];
920 os = output_files[ost->file_index];
921 enc = ost->st->codec;
922 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
923 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
924 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
925 }
926 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
927 float t = (av_gettime()-timer_start) / 1000000.0;
928
929 frame_number = ost->frame_number;
930 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
931 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
932 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
933 if(is_last_report)
934 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
935 if(qp_hist && enc->coded_frame){
936 int j;
937 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
938 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
939 qp_histogram[qp]++;
940 for(j=0; j<32; j++)
941 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
942 }
943 if (enc->flags&CODEC_FLAG_PSNR){
944 int j;
945 double error, error_sum=0;
946 double scale, scale_sum=0;
947 char type[3]= {'Y','U','V'};
948 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
949 for(j=0; j<3; j++){
950 if(is_last_report){
951 error= enc->error[j];
952 scale= enc->width*enc->height*255.0*255.0*frame_number;
953 }else{
954 error= enc->coded_frame->error[j];
955 scale= enc->width*enc->height*255.0*255.0;
956 }
957 if(j) scale/=4;
958 error_sum += error;
959 scale_sum += scale;
960 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
961 }
962 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
963 }
964 vid = 1;
965 }
966 /* compute min output value */
967 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
968 if ((pts < ti1) && (pts > 0))
969 ti1 = pts;
970 }
971 if (ti1 < 0.01)
972 ti1 = 0.01;
973
974 if (verbose || is_last_report) {
975 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
976
977 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
978 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
979 (double)total_size / 1024, ti1, bitrate);
980
981 if (verbose > 1)
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
983 nb_frames_dup, nb_frames_drop);
984
985 if (verbose >= 0)
986 fprintf(stderr, "%s \r", buf);
987
988 fflush(stderr);
989 }
990
991 if (is_last_report && verbose >= 0){
992 int64_t raw= audio_size + video_size + extra_size;
993 fprintf(stderr, "\n");
994 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
995 video_size/1024.0,
996 audio_size/1024.0,
997 extra_size/1024.0,
998 100.0*(total_size - raw)/raw
999 );
1000 }
1001 }
1002
1003 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1004 static int output_packet(AVInputStream *ist, int ist_index,
1005 AVOutputStream **ost_table, int nb_ostreams,
1006 const AVPacket *pkt)
1007 {
1008 AVFormatContext *os;
1009 AVOutputStream *ost;
1010 uint8_t *ptr;
1011 int len, ret, i;
1012 uint8_t *data_buf;
1013 int data_size, got_picture;
1014 AVFrame picture;
1015 void *buffer_to_free;
1016 static unsigned int samples_size= 0;
1017 static short *samples= NULL;
1018 AVSubtitle subtitle, *subtitle_to_free;
1019 int got_subtitle;
1020
1021 if(!pkt){
1022 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1023 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1024 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1025 } else {
1026 // assert(ist->pts == ist->next_pts);
1027 }
1028
1029 if (pkt == NULL) {
1030 /* EOF handling */
1031 ptr = NULL;
1032 len = 0;
1033 goto handle_eof;
1034 }
1035
1036 len = pkt->size;
1037 ptr = pkt->data;
1038 while (len > 0) {
1039 handle_eof:
1040 /* decode the packet if needed */
1041 data_buf = NULL; /* fail safe */
1042 data_size = 0;
1043 subtitle_to_free = NULL;
1044 if (ist->decoding_needed) {
1045 switch(ist->st->codec->codec_type) {
1046 case CODEC_TYPE_AUDIO:{
1047 if(pkt)
1048 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1049 data_size= samples_size;
1050 /* XXX: could avoid copy if PCM 16 bits with same
1051 endianness as CPU */
1052 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1053 ptr, len);
1054 if (ret < 0)
1055 goto fail_decode;
1056 ptr += ret;
1057 len -= ret;
1058 /* Some bug in mpeg audio decoder gives */
1059 /* data_size < 0, it seems they are overflows */
1060 if (data_size <= 0) {
1061 /* no audio frame */
1062 continue;
1063 }
1064 data_buf = (uint8_t *)samples;
1065 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1066 (ist->st->codec->sample_rate * ist->st->codec->channels);
1067 break;}
1068 case CODEC_TYPE_VIDEO:
1069 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1070 /* XXX: allocate picture correctly */
1071 avcodec_get_frame_defaults(&picture);
1072
1073 ret = avcodec_decode_video(ist->st->codec,
1074 &picture, &got_picture, ptr, len);
1075 ist->st->quality= picture.quality;
1076 if (ret < 0)
1077 goto fail_decode;
1078 if (!got_picture) {
1079 /* no picture yet */
1080 goto discard_packet;
1081 }
1082 if (ist->st->codec->time_base.num != 0) {
1083 ist->next_pts += ((int64_t)AV_TIME_BASE *
1084 ist->st->codec->time_base.num) /
1085 ist->st->codec->time_base.den;
1086 }
1087 len = 0;
1088 break;
1089 case CODEC_TYPE_SUBTITLE:
1090 ret = avcodec_decode_subtitle(ist->st->codec,
1091 &subtitle, &got_subtitle, ptr, len);
1092 if (ret < 0)
1093 goto fail_decode;
1094 if (!got_subtitle) {
1095 goto discard_packet;
1096 }
1097 subtitle_to_free = &subtitle;
1098 len = 0;
1099 break;
1100 default:
1101 goto fail_decode;
1102 }
1103 } else {
1104 switch(ist->st->codec->codec_type) {
1105 case CODEC_TYPE_AUDIO:
1106 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1107 (ist->st->codec->sample_rate * ist->st->codec->channels);
1108 break;
1109 case CODEC_TYPE_VIDEO:
1110 if (ist->st->codec->time_base.num != 0) {
1111 ist->next_pts += ((int64_t)AV_TIME_BASE *
1112 ist->st->codec->time_base.num) /
1113 ist->st->codec->time_base.den;
1114 }
1115 break;
1116 }
1117 data_buf = ptr;
1118 data_size = len;
1119 ret = len;
1120 len = 0;
1121 }
1122
1123 buffer_to_free = NULL;
1124 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1125 pre_process_video_frame(ist, (AVPicture *)&picture,
1126 &buffer_to_free);
1127 }
1128
1129 // preprocess audio (volume)
1130 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1131 if (audio_volume != 256) {
1132 short *volp;
1133 volp = samples;
1134 for(i=0;i<(data_size / sizeof(short));i++) {
1135 int v = ((*volp) * audio_volume + 128) >> 8;
1136 if (v < -32768) v = -32768;
1137 if (v > 32767) v = 32767;
1138 *volp++ = v;
1139 }
1140 }
1141 }
1142
1143 /* frame rate emulation */
1144 if (ist->st->codec->rate_emu) {
1145 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1146 int64_t now = av_gettime() - ist->start;
1147 if (pts > now)
1148 usleep(pts - now);
1149
1150 ist->frame++;
1151 }
1152
1153 #if 0
1154 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1155 is the one of the next displayed one */
1156 /* XXX: add mpeg4 too ? */
1157 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1158 if (ist->st->codec->pict_type != B_TYPE) {
1159 int64_t tmp;
1160 tmp = ist->last_ip_pts;
1161 ist->last_ip_pts = ist->frac_pts.val;
1162 ist->frac_pts.val = tmp;
1163 }
1164 }
1165 #endif
1166 /* if output time reached then transcode raw format,
1167 encode packets and output them */
1168 if (start_time == 0 || ist->pts >= start_time)
1169 for(i=0;i<nb_ostreams;i++) {
1170 int frame_size;
1171
1172 ost = ost_table[i];
1173 if (ost->source_index == ist_index) {
1174 os = output_files[ost->file_index];
1175
1176 #if 0
1177 printf("%d: got pts=%0.3f %0.3f\n", i,
1178 (double)pkt->pts / AV_TIME_BASE,
1179 ((double)ist->pts / AV_TIME_BASE) -
1180 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1181 #endif
1182 /* set the input output pts pairs */
1183 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1184
1185 if (ost->encoding_needed) {
1186 switch(ost->st->codec->codec_type) {
1187 case CODEC_TYPE_AUDIO:
1188 do_audio_out(os, ost, ist, data_buf, data_size);
1189 break;
1190 case CODEC_TYPE_VIDEO:
1191 do_video_out(os, ost, ist, &picture, &frame_size);
1192 video_size += frame_size;
1193 if (vstats_filename && frame_size)
1194 do_video_stats(os, ost, frame_size);
1195 break;
1196 case CODEC_TYPE_SUBTITLE:
1197 do_subtitle_out(os, ost, ist, &subtitle,
1198 pkt->pts);
1199 break;
1200 default:
1201 av_abort();
1202 }
1203 } else {
1204 AVFrame avframe; //FIXME/XXX remove this
1205 AVPacket opkt;
1206 av_init_packet(&opkt);
1207
1208 /* no reencoding needed : output the packet directly */
1209 /* force the input stream PTS */
1210
1211 avcodec_get_frame_defaults(&avframe);
1212 ost->st->codec->coded_frame= &avframe;
1213 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1214
1215 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1216 audio_size += data_size;
1217 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1218 video_size += data_size;
1219 ost->sync_opts++;
1220 }
1221
1222 opkt.stream_index= ost->index;
1223 if(pkt->pts != AV_NOPTS_VALUE)
1224 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);
1225 else
1226 opkt.pts= AV_NOPTS_VALUE;
1227
1228 {
1229 int64_t dts;
1230 if (pkt->dts == AV_NOPTS_VALUE)
1231 dts = ist->next_pts;
1232 else
1233 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1234 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1235 }
1236 opkt.flags= pkt->flags;
1237
1238 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1239 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1240 opkt.destruct= av_destruct_packet;
1241
1242 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1243 ost->st->codec->frame_number++;
1244 ost->frame_number++;
1245 av_free_packet(&opkt);
1246 }
1247 }
1248 }
1249 av_free(buffer_to_free);
1250 /* XXX: allocate the subtitles in the codec ? */
1251 if (subtitle_to_free) {
1252 if (subtitle_to_free->rects != NULL) {
1253 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1254 av_free(subtitle_to_free->rects[i].bitmap);
1255 av_free(subtitle_to_free->rects[i].rgba_palette);
1256 }
1257 av_freep(&subtitle_to_free->rects);
1258 }
1259 subtitle_to_free->num_rects = 0;
1260 subtitle_to_free = NULL;
1261 }
1262 }
1263 discard_packet:
1264 if (pkt == NULL) {
1265 /* EOF handling */
1266
1267 for(i=0;i<nb_ostreams;i++) {
1268 ost = ost_table[i];
1269 if (ost->source_index == ist_index) {
1270 AVCodecContext *enc= ost->st->codec;
1271 os = output_files[ost->file_index];
1272
1273 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1274 continue;
1275 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1276 continue;
1277
1278 if (ost->encoding_needed) {
1279 for(;;) {
1280 AVPacket pkt;
1281 int fifo_bytes;
1282 av_init_packet(&pkt);
1283 pkt.stream_index= ost->index;
1284
1285 switch(ost->st->codec->codec_type) {
1286 case CODEC_TYPE_AUDIO:
1287 fifo_bytes = av_fifo_size(&ost->fifo);
1288 ret = 0;
1289 /* encode any samples remaining in fifo */
1290 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1291 int fs_tmp = enc->frame_size;
1292 enc->frame_size = fifo_bytes / (2 * enc->channels);
1293 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1294 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1295 }
1296 enc->frame_size = fs_tmp;
1297 }
1298 if(ret <= 0) {
1299 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1300 }
1301 audio_size += ret;
1302 pkt.flags |= PKT_FLAG_KEY;
1303 break;
1304 case CODEC_TYPE_VIDEO:
1305 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1306 video_size += ret;
1307 if(enc->coded_frame && enc->coded_frame->key_frame)
1308 pkt.flags |= PKT_FLAG_KEY;
1309 if (ost->logfile && enc->stats_out) {
1310 fprintf(ost->logfile, "%s", enc->stats_out);
1311 }
1312 break;
1313 default:
1314 ret=-1;
1315 }
1316
1317 if(ret<=0)
1318 break;
1319 pkt.data= bit_buffer;
1320 pkt.size= ret;
1321 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1322 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1323 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1324 }
1325 }
1326 }
1327 }
1328 }
1329
1330 return 0;
1331 fail_decode:
1332 return -1;
1333 }
1334
1335
1336 /*
1337 * The following code is the main loop of the file converter
1338 */
1339 static int av_encode(AVFormatContext **output_files,
1340 int nb_output_files,
1341 AVFormatContext **input_files,
1342 int nb_input_files,
1343 AVStreamMap *stream_maps, int nb_stream_maps)
1344 {
1345 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1346 AVFormatContext *is, *os;
1347 AVCodecContext *codec, *icodec;
1348 AVOutputStream *ost, **ost_table = NULL;
1349 AVInputStream *ist, **ist_table = NULL;
1350 AVInputFile *file_table;
1351 int key;
1352
1353 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1354 if (!file_table)
1355 goto fail;
1356
1357 /* input stream init */
1358 j = 0;
1359 for(i=0;i<nb_input_files;i++) {
1360 is = input_files[i];
1361 file_table[i].ist_index = j;
1362 file_table[i].nb_streams = is->nb_streams;
1363 j += is->nb_streams;
1364 }
1365 nb_istreams = j;
1366
1367 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1368 if (!ist_table)
1369 goto fail;
1370
1371 for(i=0;i<nb_istreams;i++) {
1372 ist = av_mallocz(sizeof(AVInputStream));
1373 if (!ist)
1374 goto fail;
1375 ist_table[i] = ist;
1376 }
1377 j = 0;
1378 for(i=0;i<nb_input_files;i++) {
1379 is = input_files[i];
1380 for(k=0;k<is->nb_streams;k++) {
1381 ist = ist_table[j++];
1382 ist->st = is->streams[k];
1383 ist->file_index = i;
1384 ist->index = k;
1385 ist->discard = 1; /* the stream is discarded by default
1386 (changed later) */
1387
1388 if (ist->st->codec->rate_emu) {
1389 ist->start = av_gettime();
1390 ist->frame = 0;
1391 }
1392 }
1393 }
1394
1395 /* output stream init */
1396 nb_ostreams = 0;
1397 for(i=0;i<nb_output_files;i++) {
1398 os = output_files[i];
1399 if (!os->nb_streams) {
1400 fprintf(stderr, "Output file does not contain any stream\n");
1401 exit(1);
1402 }
1403 nb_ostreams += os->nb_streams;
1404 }
1405 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1406 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1407 exit(1);
1408 }
1409
1410 /* Sanity check the mapping args -- do the input files & streams exist? */
1411 for(i=0;i<nb_stream_maps;i++) {
1412 int fi = stream_maps[i].file_index;
1413 int si = stream_maps[i].stream_index;
1414
1415 if (fi < 0 || fi > nb_input_files - 1 ||
1416 si < 0 || si > file_table[fi].nb_streams - 1) {
1417 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1418 exit(1);
1419 }
1420 fi = stream_maps[i].sync_file_index;
1421 si = stream_maps[i].sync_stream_index;
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 sync stream #%d.%d\n", fi, si);
1425 exit(1);
1426 }
1427 }
1428
1429 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1430 if (!ost_table)
1431 goto fail;
1432 for(i=0;i<nb_ostreams;i++) {
1433 ost = av_mallocz(sizeof(AVOutputStream));
1434 if (!ost)
1435 goto fail;
1436 ost_table[i] = ost;
1437 }
1438
1439 n = 0;
1440 for(k=0;k<nb_output_files;k++) {
1441 os = output_files[k];
1442 for(i=0;i<os->nb_streams;i++) {
1443 int found;
1444 ost = ost_table[n++];
1445 ost->file_index = k;
1446 ost->index = i;
1447 ost->st = os->streams[i];
1448 if (nb_stream_maps > 0) {
1449 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1450 stream_maps[n-1].stream_index;
1451
1452 /* Sanity check that the stream types match */
1453 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1454 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1455 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1456 ost->file_index, ost->index);
1457 exit(1);
1458 }
1459
1460 } else {
1461 /* get corresponding input stream index : we select the first one with the right type */
1462 found = 0;
1463 for(j=0;j<nb_istreams;j++) {
1464 ist = ist_table[j];
1465 if (ist->discard &&
1466 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1467 ost->source_index = j;
1468 found = 1;
1469 break;
1470 }
1471 }
1472
1473 if (!found) {
1474 /* try again and reuse existing stream */
1475 for(j=0;j<nb_istreams;j++) {
1476 ist = ist_table[j];
1477 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1478 ost->source_index = j;
1479 found = 1;
1480 }
1481 }
1482 if (!found) {
1483 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1484 ost->file_index, ost->index);
1485 exit(1);
1486 }
1487 }
1488 }
1489 ist = ist_table[ost->source_index];
1490 ist->discard = 0;
1491 ost->sync_ist = (nb_stream_maps > 0) ?
1492 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1493 stream_maps[n-1].sync_stream_index] : ist;
1494 }
1495 }
1496
1497 /* for each output stream, we compute the right encoding parameters */
1498 for(i=0;i<nb_ostreams;i++) {
1499 ost = ost_table[i];
1500 ist = ist_table[ost->source_index];
1501
1502 codec = ost->st->codec;
1503 icodec = ist->st->codec;
1504
1505 if (ost->st->stream_copy) {
1506 /* if stream_copy is selected, no need to decode or encode */
1507 codec->codec_id = icodec->codec_id;
1508 codec->codec_type = icodec->codec_type;
1509 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1510 codec->bit_rate = icodec->bit_rate;
1511 codec->extradata= icodec->extradata;
1512 codec->extradata_size= icodec->extradata_size;
1513 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1514 codec->time_base = icodec->time_base;
1515 else
1516 codec->time_base = ist->st->time_base;
1517 switch(codec->codec_type) {
1518 case CODEC_TYPE_AUDIO:
1519 codec->sample_rate = icodec->sample_rate;
1520 codec->channels = icodec->channels;
1521 codec->frame_size = icodec->frame_size;
1522 codec->block_align= icodec->block_align;
1523 break;
1524 case CODEC_TYPE_VIDEO:
1525 if(using_vhook) {
1526 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1527 exit(1);
1528 }
1529 codec->pix_fmt = icodec->pix_fmt;
1530 codec->width = icodec->width;
1531 codec->height = icodec->height;
1532 codec->has_b_frames = icodec->has_b_frames;
1533 break;
1534 case CODEC_TYPE_SUBTITLE:
1535 break;
1536 default:
1537 av_abort();
1538 }
1539 } else {
1540 switch(codec->codec_type) {
1541 case CODEC_TYPE_AUDIO:
1542 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1543 goto fail;
1544
1545 if (codec->channels == icodec->channels &&
1546 codec->sample_rate == icodec->sample_rate) {
1547 ost->audio_resample = 0;
1548 } else {
1549 if (codec->channels != icodec->channels &&
1550 (icodec->codec_id == CODEC_ID_AC3 ||
1551 icodec->codec_id == CODEC_ID_DTS)) {
1552 /* Special case for 5:1 AC3 and DTS input */
1553 /* and mono or stereo output */
1554 /* Request specific number of channels */
1555 icodec->channels = codec->channels;
1556 if (codec->sample_rate == icodec->sample_rate)
1557 ost->audio_resample = 0;
1558 else {
1559 ost->audio_resample = 1;
1560 }
1561 } else {
1562 ost->audio_resample = 1;
1563 }
1564 }
1565 if(audio_sync_method>1)
1566 ost->audio_resample = 1;
1567
1568 if(ost->audio_resample){
1569 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1570 codec->sample_rate, icodec->sample_rate);
1571 if(!ost->resample){
1572 printf("Can't resample. Aborting.\n");
1573 av_abort();
1574 }
1575 }
1576 ist->decoding_needed = 1;
1577 ost->encoding_needed = 1;
1578 break;
1579 case CODEC_TYPE_VIDEO:
1580 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1581 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1582 ost->video_resample = ((codec->width != icodec->width -
1583 (frame_leftBand + frame_rightBand) +
1584 (frame_padleft + frame_padright)) ||
1585 (codec->height != icodec->height -
1586 (frame_topBand + frame_bottomBand) +
1587 (frame_padtop + frame_padbottom)) ||
1588 (codec->pix_fmt != icodec->pix_fmt));
1589 if (ost->video_crop) {
1590 ost->topBand = frame_topBand;
1591 ost->leftBand = frame_leftBand;
1592 }
1593 if (ost->video_pad) {
1594 ost->padtop = frame_padtop;
1595 ost->padleft = frame_padleft;
1596 ost->padbottom = frame_padbottom;
1597 ost->padright = frame_padright;
1598 if (!ost->video_resample) {
1599 avcodec_get_frame_defaults(&ost->pict_tmp);
1600 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1601 codec->width, codec->height ) )
1602 goto fail;
1603 }
1604 }
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 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1610 exit(1);
1611 }
1612 if (ENABLE_SWSCALER)
1613 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1614 ost->img_resample_ctx = sws_getContext(
1615 icodec->width - (frame_leftBand + frame_rightBand),
1616 icodec->height - (frame_topBand + frame_bottomBand),
1617 icodec->pix_fmt,
1618 codec->width - (frame_padleft + frame_padright),
1619 codec->height - (frame_padtop + frame_padbottom),
1620 codec->pix_fmt,
1621 sws_flags, NULL, NULL, NULL);
1622 if (ost->img_resample_ctx == NULL) {
1623 fprintf(stderr, "Cannot get resampling context\n");
1624 exit(1);
1625 }
1626 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1627 }
1628 ost->encoding_needed = 1;
1629 ist->decoding_needed = 1;
1630 break;
1631 case CODEC_TYPE_SUBTITLE:
1632 ost->encoding_needed = 1;
1633 ist->decoding_needed = 1;
1634 break;
1635 default:
1636 av_abort();
1637 break;
1638 }
1639 /* two pass mode */
1640 if (ost->encoding_needed &&
1641 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1642 char logfilename[1024];
1643 FILE *f;
1644 int size;
1645 char *logbuffer;
1646
1647 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1648 pass_logfilename ?
1649 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1650 if (codec->flags & CODEC_FLAG_PASS1) {
1651 f = fopen(logfilename, "w");
1652 if (!f) {
1653 perror(logfilename);
1654 exit(1);
1655 }
1656 ost->logfile = f;
1657 } else {
1658 /* read the log file */
1659 f = fopen(logfilename, "r");
1660 if (!f) {
1661 perror(logfilename);
1662 exit(1);
1663 }
1664 fseek(f, 0, SEEK_END);
1665 size = ftell(f);
1666 fseek(f, 0, SEEK_SET);
1667 logbuffer = av_malloc(size + 1);
1668 if (!logbuffer) {
1669 fprintf(stderr, "Could not allocate log buffer\n");
1670 exit(1);
1671 }
1672 size = fread(logbuffer, 1, size, f);
1673 fclose(f);
1674 logbuffer[size] = '\0';
1675 codec->stats_in = logbuffer;
1676 }
1677 }
1678 }
1679 if(codec->codec_type == CODEC_TYPE_VIDEO){
1680 int size= codec->width * codec->height;
1681 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1682 }
1683 }
1684
1685 if (!bit_buffer)
1686 bit_buffer = av_malloc(bit_buffer_size);
1687 if (!bit_buffer)
1688 goto fail;
1689
1690 /* dump the file output parameters - cannot be done before in case
1691 of stream copy */
1692 for(i=0;i<nb_output_files;i++) {
1693 dump_format(output_files[i], i, output_files[i]->filename, 1);
1694 }
1695
1696 /* dump the stream mapping */
1697 if (verbose >= 0) {
1698 fprintf(stderr, "Stream mapping:\n");
1699 for(i=0;i<nb_ostreams;i++) {
1700 ost = ost_table[i];
1701 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1702 ist_table[ost->source_index]->file_index,
1703 ist_table[ost->source_index]->index,
1704 ost->file_index,
1705 ost->index);
1706 if (ost->sync_ist != ist_table[ost->source_index])
1707 fprintf(stderr, " [sync #%d.%d]",
1708 ost->sync_ist->file_index,
1709 ost->sync_ist->index);
1710 fprintf(stderr, "\n");
1711 }
1712 }
1713
1714 /* open each encoder */
1715 for(i=0;i<nb_ostreams;i++) {
1716 ost = ost_table[i];
1717 if (ost->encoding_needed) {
1718 AVCodec *codec;
1719 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1720 if (!codec) {
1721 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1722 ost->file_index, ost->index);
1723 exit(1);
1724 }
1725 if (avcodec_open(ost->st->codec, codec) < 0) {
1726 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1727 ost->file_index, ost->index);
1728 exit(1);
1729 }
1730 extra_size += ost->st->codec->extradata_size;
1731 }
1732 }
1733
1734 /* open each decoder */
1735 for(i=0;i<nb_istreams;i++) {
1736 ist = ist_table[i];
1737 if (ist->decoding_needed) {
1738 AVCodec *codec;
1739 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1740 if (!codec) {
1741 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1742 ist->st->codec->codec_id, ist->file_index, ist->index);
1743 exit(1);
1744 }
1745 if (avcodec_open(ist->st->codec, codec) < 0) {
1746 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1747 ist->file_index, ist->index);
1748 exit(1);
1749 }
1750 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1751 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1752 }
1753 }
1754
1755 /* init pts */
1756 for(i=0;i<nb_istreams;i++) {
1757 ist = ist_table[i];
1758 is = input_files[ist->file_index];
1759 ist->pts = 0;
1760 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1761 if(ist->st->start_time == AV_NOPTS_VALUE)
1762 ist->next_pts=0;
1763 if(input_files_ts_offset[ist->file_index])
1764 ist->next_pts= AV_NOPTS_VALUE;
1765 ist->is_start = 1;
1766 }
1767
1768 /* set meta data information from input file if required */
1769 for (i=0;i<nb_meta_data_maps;i++) {
1770 AVFormatContext *out_file;
1771 AVFormatContext *in_file;
1772
1773 int out_file_index = meta_data_maps[i].out_file;
1774 int in_file_index = meta_data_maps[i].in_file;
1775 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1776 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1777 ret = AVERROR(EINVAL);
1778 goto fail;
1779 }
1780 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1781 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1782 ret = AVERROR(EINVAL);
1783 goto fail;
1784 }
1785
1786 out_file = output_files[out_file_index];
1787 in_file = input_files[in_file_index];
1788
1789 strcpy(out_file->title, in_file->title);
1790 strcpy(out_file->author, in_file->author);
1791 strcpy(out_file->copyright, in_file->copyright);
1792 strcpy(out_file->comment, in_file->comment);
1793 strcpy(out_file->album, in_file->album);
1794 out_file->year = in_file->year;
1795 out_file->track = in_file->track;
1796 strcpy(out_file->genre, in_file->genre);
1797 }
1798
1799 /* open files and write file headers */
1800 for(i=0;i<nb_output_files;i++) {
1801 os = output_files[i];
1802 if (av_write_header(os) < 0) {
1803 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1804 ret = AVERROR(EINVAL);
1805 goto fail;
1806 }
1807 }
1808
1809 if ( !using_stdin && verbose >= 0) {
1810 fprintf(stderr, "Press [q] to stop encoding\n");
1811 url_set_interrupt_cb(decode_interrupt_cb);
1812 }
1813 term_init();
1814
1815 key = -1;
1816 timer_start = av_gettime();
1817
1818 for(; received_sigterm == 0;) {
1819 int file_index, ist_index;
1820 AVPacket pkt;
1821 double ipts_min;
1822 double opts_min;
1823
1824 redo:
1825 ipts_min= 1e100;
1826 opts_min= 1e100;
1827 /* if 'q' pressed, exits */
1828 if (!using_stdin) {
1829 if (q_pressed)
1830 break;
1831 /* read_key() returns 0 on EOF */
1832 key = read_key();
1833 if (key == 'q')
1834 break;
1835 }
1836
1837 /* select the stream that we must read now by looking at the
1838 smallest output pts */
1839 file_index = -1;
1840 for(i=0;i<nb_ostreams;i++) {
1841 double ipts, opts;
1842 ost = ost_table[i];
1843 os = output_files[ost->file_index];
1844 ist = ist_table[ost->source_index];
1845 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1846 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1847 else
1848 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1849 ipts = (double)ist->pts;
1850 if (!file_table[ist->file_index].eof_reached){
1851 if(ipts < ipts_min) {
1852 ipts_min = ipts;
1853 if(input_sync ) file_index = ist->file_index;
1854 }
1855 if(opts < opts_min) {
1856 opts_min = opts;
1857 if(!input_sync) file_index = ist->file_index;
1858 }
1859 }
1860 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1861 file_index= -1;
1862 break;
1863 }
1864 }
1865 /* if none, if is finished */
1866 if (file_index < 0) {
1867 break;
1868 }
1869
1870 /* finish if recording time exhausted */
1871 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1872 break;
1873
1874 /* finish if limit size exhausted */
1875 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1876 break;
1877
1878 /* read a frame from it and output it in the fifo */
1879 is = input_files[file_index];
1880 if (av_read_frame(is, &pkt) < 0) {
1881 file_table[file_index].eof_reached = 1;
1882 if (opt_shortest) break; else continue; //
1883 }
1884
1885 if (do_pkt_dump) {
1886 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1887 }
1888 /* the following test is needed in case new streams appear
1889 dynamically in stream : we ignore them */
1890 if (pkt.stream_index >= file_table[file_index].nb_streams)
1891 goto discard_packet;
1892 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1893 ist = ist_table[ist_index];
1894 if (ist->discard)
1895 goto discard_packet;
1896
1897 // 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);
1898 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1899 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1900 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1901 input_files_ts_offset[ist->file_index]-= delta;
1902 if (verbose > 2)
1903 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1904 for(i=0; i<file_table[file_index].nb_streams; i++){
1905 int index= file_table[file_index].ist_index + i;
1906 ist_table[index]->next_pts += delta;
1907 ist_table[index]->is_start=1;
1908 }
1909 }
1910 }
1911
1912 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1913 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1914
1915 if (verbose >= 0)
1916 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1917 ist->file_index, ist->index);
1918
1919 av_free_packet(&pkt);
1920 goto redo;
1921 }
1922
1923 discard_packet:
1924 av_free_packet(&pkt);
1925
1926 /* dump report by using the output first video and audio streams */
1927 print_report(output_files, ost_table, nb_ostreams, 0);
1928 }
1929
1930 /* at the end of stream, we must flush the decoder buffers */
1931 for(i=0;i<nb_istreams;i++) {
1932 ist = ist_table[i];
1933 if (ist->decoding_needed) {
1934 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1935 }
1936 }
1937
1938 term_exit();
1939
1940 /* write the trailer if needed and close file */
1941 for(i=0;i<nb_output_files;i++) {
1942 os = output_files[i];
1943 av_write_trailer(os);
1944 }
1945
1946 /* dump report by using the first video and audio streams */
1947 print_report(output_files, ost_table, nb_ostreams, 1);
1948
1949 /* close each encoder */
1950 for(i=0;i<nb_ostreams;i++) {
1951 ost = ost_table[i];
1952 if (ost->encoding_needed) {
1953 av_freep(&ost->st->codec->stats_in);
1954 avcodec_close(ost->st->codec);
1955 }
1956 }
1957
1958 /* close each decoder */
1959 for(i=0;i<nb_istreams;i++) {
1960 ist = ist_table[i];
1961 if (ist->decoding_needed) {
1962 avcodec_close(ist->st->codec);
1963 }
1964 }
1965
1966 /* finished ! */
1967
1968 ret = 0;
1969 fail1:
1970 av_freep(&bit_buffer);
1971 av_free(file_table);
1972
1973 if (ist_table) {
1974 for(i=0;i<nb_istreams;i++) {
1975 ist = ist_table[i];
1976 av_free(ist);
1977 }
1978 av_free(ist_table);
1979 }
1980 if (ost_table) {
1981 for(i=0;i<nb_ostreams;i++) {
1982 ost = ost_table[i];
1983 if (ost) {
1984 if (ost->logfile) {
1985 fclose(ost->logfile);
1986 ost->logfile = NULL;
1987 }
1988 av_fifo_free(&ost->fifo); /* works even if fifo is not
1989 initialized but set to zero */
1990 av_free(ost->pict_tmp.data[0]);
1991 if (ost->video_resample)
1992 sws_freeContext(ost->img_resample_ctx);
1993 if (ost->audio_resample)
1994 audio_resample_close(ost->resample);
1995 av_free(ost);
1996 }
1997 }
1998 av_free(ost_table);
1999 }
2000 return ret;
2001 fail:
2002 ret = AVERROR(ENOMEM);
2003 goto fail1;
2004 }
2005
2006 #if 0
2007 int file_read(const char *filename)
2008 {
2009 URLContext *h;
2010 unsigned char buffer[1024];
2011 int len, i;
2012
2013 if (url_open(&h, filename, O_RDONLY) < 0) {
2014 printf("could not open '%s'\n", filename);
2015 return -1;
2016 }
2017 for(;;) {
2018 len = url_read(h, buffer, sizeof(buffer));
2019 if (len <= 0)
2020 break;
2021 for(i=0;i<len;i++) putchar(buffer[i]);
2022 }
2023 url_close(h);
2024 return 0;
2025 }
2026 #endif
2027
2028 static void opt_format(const char *arg)
2029 {
2030 /* compatibility stuff for pgmyuv */
2031 if (!strcmp(arg, "pgmyuv")) {
2032 pgmyuv_compatibility_hack=1;
2033 // opt_image_format(arg);
2034 arg = "image2";
2035 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2036 }
2037
2038 file_iformat = av_find_input_format(arg);
2039 file_oformat = guess_format(arg, NULL, NULL);
2040 if (!file_iformat && !file_oformat) {
2041 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2042 exit(1);
2043 }
2044 }
2045
2046 static void opt_video_rc_eq(char *arg)
2047 {
2048 video_rc_eq = arg;
2049 }
2050
2051 static void opt_video_rc_override_string(char *arg)
2052 {
2053 video_rc_override_string = arg;
2054 }
2055
2056 static void opt_me_threshold(const char *arg)
2057 {
2058 me_threshold = atoi(arg);
2059 }
2060
2061 static void opt_verbose(const char *arg)
2062 {
2063 verbose = atoi(arg);
2064 av_log_level = atoi(arg);
2065 }
2066
2067 static void opt_frame_rate(const char *arg)
2068 {
2069 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2070 fprintf(stderr, "Incorrect frame rate\n");
2071 exit(1);
2072 }
2073 }
2074
2075 static void opt_frame_crop_top(const char *arg)
2076 {
2077 frame_topBand = atoi(arg);
2078 if (frame_topBand < 0) {
2079 fprintf(stderr, "Incorrect top crop size\n");
2080 exit(1);
2081 }
2082 if ((frame_topBand % 2) != 0) {
2083 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2084 exit(1);
2085 }
2086 if ((frame_topBand) >= frame_height){
2087 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2088 exit(1);
2089 }
2090 frame_height -= frame_topBand;
2091 }
2092
2093 static void opt_frame_crop_bottom(const char *arg)
2094 {
2095 frame_bottomBand = atoi(arg);
2096 if (frame_bottomBand < 0) {
2097 fprintf(stderr, "Incorrect bottom crop size\n");
2098 exit(1);
2099 }
2100 if ((frame_bottomBand % 2) != 0) {
2101 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2102 exit(1);
2103 }
2104 if ((frame_bottomBand) >= frame_height){
2105 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2106 exit(1);
2107 }
2108 frame_height -= frame_bottomBand;
2109 }
2110
2111 static void opt_frame_crop_left(const char *arg)
2112 {
2113 frame_leftBand = atoi(arg);
2114 if (frame_leftBand < 0) {
2115 fprintf(stderr, "Incorrect left crop size\n");
2116 exit(1);
2117 }
2118 if ((frame_leftBand % 2) != 0) {
2119 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2120 exit(1);
2121 }
2122 if ((frame_leftBand) >= frame_width){
2123 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2124 exit(1);
2125 }
2126 frame_width -= frame_leftBand;
2127 }
2128
2129 static void opt_frame_crop_right(const char *arg)
2130 {
2131 frame_rightBand = atoi(arg);
2132 if (frame_rightBand < 0) {
2133 fprintf(stderr, "Incorrect right crop size\n");
2134 exit(1);
2135 }
2136 if ((frame_rightBand % 2) != 0) {
2137 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2138 exit(1);
2139 }
2140 if ((frame_rightBand) >= frame_width){
2141 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2142 exit(1);
2143 }
2144 frame_width -= frame_rightBand;
2145 }
2146
2147 static void opt_frame_size(const char *arg)
2148 {
2149 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2150 fprintf(stderr, "Incorrect frame size\n");
2151 exit(1);
2152 }
2153 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2154 fprintf(stderr, "Frame size must be a multiple of 2\n");
2155 exit(1);
2156 }
2157 }
2158
2159
2160 #define SCALEBITS 10
2161 #define ONE_HALF (1 << (SCALEBITS - 1))
2162 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2163
2164 #define RGB_TO_Y(r, g, b) \
2165 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2166 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2167
2168 #define RGB_TO_U(r1, g1, b1, shift)\
2169 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2170 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2171
2172 #define RGB_TO_V(r1, g1, b1, shift)\
2173 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2174 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2175
2176 static void opt_pad_color(const char *arg) {
2177 /* Input is expected to be six hex digits similar to
2178 how colors are expressed in html tags (but without the #) */
2179 int rgb = strtol(arg, NULL, 16);
2180 int r,g,b;
2181
2182 r = (rgb >> 16);
2183 g = ((rgb >> 8) & 255);
2184 b = (rgb & 255);
2185
2186 padcolor[0] = RGB_TO_Y(r,g,b);
2187 padcolor[1] = RGB_TO_U(r,g,b,0);
2188 padcolor[2] = RGB_TO_V(r,g,b,0);
2189 }
2190
2191 static void opt_frame_pad_top(const char *arg)
2192 {
2193 frame_padtop = atoi(arg);
2194 if (frame_padtop < 0) {
2195 fprintf(stderr, "Incorrect top pad size\n");
2196 exit(1);
2197 }
2198 if ((frame_padtop % 2) != 0) {
2199 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2200 exit(1);
2201 }
2202 }
2203
2204 static void opt_frame_pad_bottom(const char *arg)
2205 {
2206 frame_padbottom = atoi(arg);
2207 if (frame_padbottom < 0) {
2208 fprintf(stderr, "Incorrect bottom pad size\n");
2209 exit(1);
2210 }
2211 if ((frame_padbottom % 2) != 0) {
2212 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2213 exit(1);
2214 }
2215 }
2216
2217
2218 static void opt_frame_pad_left(const char *arg)
2219 {
2220 frame_padleft = atoi(arg);
2221 if (frame_padleft < 0) {
2222 fprintf(stderr, "Incorrect left pad size\n");
2223 exit(1);
2224 }
2225 if ((frame_padleft % 2) != 0) {
2226 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2227 exit(1);
2228 }
2229 }
2230
2231
2232 static void opt_frame_pad_right(const char *arg)
2233 {
2234 frame_padright = atoi(arg);
2235 if (frame_padright < 0) {
2236 fprintf(stderr, "Incorrect right pad size\n");
2237 exit(1);
2238 }
2239 if ((frame_padright % 2) != 0) {
2240 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2241 exit(1);
2242 }
2243 }
2244
2245 void list_pix_fmts(void)
2246 {
2247 int i;
2248 char pix_fmt_str[128];
2249 for (i=-1; i < PIX_FMT_NB; i++) {
2250 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2251 fprintf(stdout, "%s\n", pix_fmt_str);
2252 }
2253 }
2254
2255 static void opt_frame_pix_fmt(const char *arg)
2256 {
2257 if (strcmp(arg, "list"))
2258 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2259 else {
2260 list_pix_fmts();
2261 exit(0);
2262 }
2263 }
2264
2265 static void opt_frame_aspect_ratio(const char *arg)
2266 {
2267 int x = 0, y = 0;
2268 double ar = 0;
2269 const char *p;
2270
2271 p = strchr(arg, ':');
2272 if (p) {
2273 x = strtol(arg, (char **)&arg, 10);
2274 if (arg == p)
2275 y = strtol(arg+1, (char **)&arg, 10);
2276 if (x > 0 && y > 0)
2277 ar = (double)x / (double)y;
2278 } else
2279 ar = strtod(arg, (char **)&arg);
2280
2281 if (!ar) {
2282 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2283 exit(1);
2284 }
2285 frame_aspect_ratio = ar;
2286 }
2287
2288 static void opt_qscale(const char *arg)
2289 {
2290 video_qscale = atof(arg);
2291 if (video_qscale <= 0 ||
2292 video_qscale > 255) {
2293 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2294 exit(1);
2295 }
2296 }
2297
2298 static void opt_qdiff(const char *arg)
2299 {
2300 video_qdiff = atoi(arg);
2301 if (video_qdiff < 0 ||
2302 video_qdiff > 31) {
2303 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2304 exit(1);
2305 }
2306 }
2307
2308 static void opt_strict(const char *arg)
2309 {
2310 strict= atoi(arg);
2311 }
2312
2313 static void opt_top_field_first(const char *arg)
2314 {
2315 top_field_first= atoi(arg);
2316 }
2317
2318 static void opt_thread_count(const char *arg)
2319 {
2320 thread_count= atoi(arg);
2321 #if !defined(HAVE_THREADS)
2322 if (verbose >= 0)
2323 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2324 #endif
2325 }
2326
2327 static void opt_audio_rate(const char *arg)
2328 {
2329 audio_sample_rate = atoi(arg);
2330 }
2331
2332 static void opt_audio_channels(const char *arg)
2333 {
2334 audio_channels = atoi(arg);
2335 }
2336
2337 static void opt_video_channel(const char *arg)
2338 {
2339 video_channel = strtol(arg, NULL, 0);
2340 }
2341
2342 static void opt_video_standard(const char *arg)
2343 {
2344 video_standard = av_strdup(arg);
2345 }
2346
2347 static void opt_codec(int *pstream_copy, int *pcodec_id,
2348 int codec_type, const char *arg)
2349 {
2350 AVCodec *p;
2351
2352 if (!strcmp(arg, "copy")) {
2353 *pstream_copy = 1;
2354 } else {
2355 p = first_avcodec;
2356 while (p) {
2357 if (!strcmp(p->name, arg) && p->type == codec_type)
2358 break;
2359 p = p->next;
2360 }
2361 if (p == NULL) {
2362 fprintf(stderr, "Unknown codec '%s'\n", arg);
2363 exit(1);
2364 } else {
2365 *pcodec_id = p->id;
2366 }
2367 }
2368 }
2369
2370 static void opt_audio_codec(const char *arg)
2371 {
2372 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2373 }
2374
2375 static void opt_audio_tag(const char *arg)
2376 {
2377 char *tail;
2378 audio_codec_tag= strtol(arg, &tail, 0);
2379
2380 if(!tail || *tail)
2381 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2382 }
2383
2384 static void opt_video_tag(const char *arg)
2385 {
2386 char *tail;
2387 video_codec_tag= strtol(arg, &tail, 0);
2388
2389 if(!tail || *tail)
2390 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2391 }
2392
2393 static void add_frame_hooker(const char *arg)
2394 {
2395 int argc = 0;
2396 char *argv[64];
2397 int i;
2398 char *args = av_strdup(arg);
2399
2400 using_vhook = 1;
2401
2402 argv[0] = strtok(args, " ");
2403 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2404 }
2405
2406 i = frame_hook_add(argc, argv);
2407
2408 if (i != 0) {
2409 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2410 exit(1);
2411 }
2412 }
2413
2414 const char *motion_str[] = {
2415 "zero",
2416 "full",
2417 "log",
2418 "phods",
2419 "epzs",
2420 "x1",
2421 "hex",
2422 "umh",
2423 "iter",
2424 NULL,
2425 };
2426
2427 static void opt_motion_estimation(const char *arg)
2428 {
2429 const char **p;
2430 p = motion_str;
2431 for(;;) {
2432 if (!*p) {
2433 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2434 exit(1);
2435 }
2436 if (!strcmp(*p, arg))
2437 break;
2438 p++;
2439 }
2440 me_method = (p - motion_str) + 1;
2441 }
2442
2443 static void opt_video_codec(const char *arg)
2444 {
2445 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2446 }
2447
2448 static void opt_subtitle_codec(const char *arg)
2449 {
2450 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2451 }
2452
2453 static void opt_map(const char *arg)
2454 {
2455 AVStreamMap *m;
2456 const char *p;
2457
2458 p = arg;
2459 m = &stream_maps[nb_stream_maps++];
2460
2461 m->file_index = strtol(arg, (char **)&p, 0);
2462 if (*p)
2463 p++;
2464
2465 m->stream_index = strtol(p, (char **)&p, 0);
2466 if (*p) {
2467 p++;
2468 m->sync_file_index = strtol(p, (char **)&p, 0);
2469 if (*p)
2470 p++;
2471 m->sync_stream_index = strtol(p, (char **)&p, 0);
2472 } else {
2473 m->sync_file_index = m->file_index;
2474 m->sync_stream_index = m->stream_index;
2475 }
2476 }
2477
2478 static void opt_map_meta_data(const char *arg)
2479 {
2480 AVMetaDataMap *m;
2481 const char *p;
2482
2483 p = arg;
2484 m = &meta_data_maps[nb_meta_data_maps++];
2485
2486 m->out_file = strtol(arg, (char **)&p, 0);
2487 if (*p)
2488 p++;
2489
2490 m->in_file = strtol(p, (char **)&p, 0);
2491 }
2492
2493 static void opt_recording_time(const char *arg)
2494 {
2495 recording_time = parse_date(arg, 1);
2496 }
2497
2498 static void opt_start_time(const char *arg)
2499 {
2500 start_time = parse_date(arg, 1);
2501 }
2502
2503 static void opt_rec_timestamp(const char *arg)
2504 {
2505 rec_timestamp = parse_date(arg, 0) / 1000000;
2506 }
2507
2508 static void opt_input_ts_offset(const char *arg)
2509 {
2510 input_ts_offset = parse_date(arg, 1);
2511 }
2512
2513 static void opt_input_file(const char *filename)
2514 {
2515 AVFormatContext *ic;
2516 AVFormatParameters params, *ap = &params;
2517 int err, i, ret, rfps, rfps_base;
2518 int64_t timestamp;
2519
2520 if (!strcmp(filename, "-"))
2521 filename = "pipe:";
2522
2523 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2524 !strcmp( filename, "/dev/stdin" );
2525
2526 /* get default parameters from command line */
2527 ic = av_alloc_format_context();
2528
2529 memset(ap, 0, sizeof(*ap));
2530 ap->prealloced_context = 1;
2531 ap->sample_rate = audio_sample_rate;
2532 ap->channels = audio_channels;
2533 ap->time_base.den = frame_rate.num;
2534 ap->time_base.num = frame_rate.den;
2535 ap->width = frame_width + frame_padleft + frame_padright;
2536 ap->height = frame_height + frame_padtop + frame_padbottom;
2537 ap->pix_fmt = frame_pix_fmt;
2538 ap->channel = video_channel;
2539 ap->standard = video_standard;
2540 ap->video_codec_id = video_codec_id;
2541 ap->audio_codec_id = audio_codec_id;
2542 if(pgmyuv_compatibility_hack)
2543 ap->video_codec_id= CODEC_ID_PGMYUV;
2544
2545 for(i=0; i<opt_name_count; i++){
2546 const AVOption *opt;
2547 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2548 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2549 av_set_double(ic, opt_names[i], d);
2550 }
2551 /* open the input file with generic libav function */
2552 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2553 if (err < 0) {
2554 print_error(filename, err);
2555 exit(1);
2556 }
2557
2558 ic->loop_input = loop_input;
2559
2560 /* If not enough info to get the stream parameters, we decode the
2561 first frames to get it. (used in mpeg case for example) */
2562 ret = av_find_stream_info(ic);
2563 if (ret < 0 && verbose >= 0) {
2564 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2565 exit(1);
2566 }
2567
2568 timestamp = start_time;
2569 /* add the stream start time */
2570 if (ic->start_time != AV_NOPTS_VALUE)
2571 timestamp += ic->start_time;
2572
2573 /* if seeking requested, we execute it */
2574 if (start_time != 0) {
2575 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2576 if (ret < 0) {
2577 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2578 filename, (double)timestamp / AV_TIME_BASE);
2579 }
2580 /* reset seek info */
2581 start_time = 0;
2582 }
2583
2584 /* update the current parameters so that they match the one of the input stream */
2585 for(i=0;i<ic->nb_streams;i++) {
2586 int j;
2587 AVCodecContext *enc = ic->streams[i]->codec;
2588 if(thread_count>1)
2589 avcodec_thread_init(enc, thread_count);
2590 enc->thread_count= thread_count;
2591 switch(enc->codec_type) {
2592 case CODEC_TYPE_AUDIO:
2593 for(j=0; j<opt_name_count; j++){
2594 const AVOption *opt;
2595 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2596 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2597 av_set_double(enc, opt_names[j], d);
2598 }
2599 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2600 audio_channels = enc->channels;
2601 audio_sample_rate = enc->sample_rate;
2602 if(audio_disable)
2603 ic->streams[i]->discard= AVDISCARD_ALL;
2604 break;
2605 case CODEC_TYPE_VIDEO:
2606 for(j=0; j<opt_name_count; j++){
2607 const AVOption *opt;
2608 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2609 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2610 av_set_double(enc, opt_names[j], d);
2611 }
2612 frame_height = enc->height;
2613 frame_width = enc->width;
2614 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2615 frame_pix_fmt = enc->pix_fmt;
2616 rfps = ic->streams[i]->r_frame_rate.num;
2617 rfps_base = ic->streams[i]->r_frame_rate.den;
2618 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2619 if(me_threshold)
2620 enc->debug |= FF_DEBUG_MV;
2621
2622 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2623
2624 if (verbose >= 0)
2625 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2626 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2627
2628 (float)rfps / rfps_base, rfps, rfps_base);
2629 }
2630 /* update the current frame rate to match the stream frame rate */
2631 frame_rate.num = rfps;
2632 frame_rate.den = rfps_base;
2633
2634 enc->rate_emu = rate_emu;
2635 if(video_disable)
2636 ic->streams[i]->discard= AVDISCARD_ALL;
2637 else if(video_discard)
2638 ic->streams[i]->discard= video_discard;
2639 break;
2640 case CODEC_TYPE_DATA:
2641 break;
2642 case CODEC_TYPE_SUBTITLE:
2643 break;
2644 case CODEC_TYPE_UNKNOWN:
2645 break;
2646 default:
2647 av_abort();
2648 }
2649 }
2650
2651 input_files[nb_input_files] = ic;
2652 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2653 /* dump the file content */
2654 if (verbose >= 0)
2655 dump_format(ic, nb_input_files, filename, 0);
2656
2657 nb_input_files++;
2658 file_iformat = NULL;
2659 file_oformat = NULL;
2660
2661 video_channel = 0;
2662
2663 rate_emu = 0;
2664 }
2665
2666 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2667 {
2668 int has_video, has_audio, i, j;
2669 AVFormatContext *ic;
2670
2671 has_video = 0;
2672 has_audio = 0;
2673 for(j=0;j<nb_input_files;j++) {
2674 ic = input_files[j];
2675 for(i=0;i<ic->nb_streams;i++) {
2676 AVCodecContext *enc = ic->streams[i]->codec;
2677 switch(enc->codec_type) {
2678 case CODEC_TYPE_AUDIO:
2679 has_audio = 1;
2680 break;
2681 case CODEC_TYPE_VIDEO:
2682 has_video = 1;
2683 break;
2684 case CODEC_TYPE_DATA:
2685 case CODEC_TYPE_UNKNOWN:
2686 case CODEC_TYPE_SUBTITLE:
2687 break;
2688 default:
2689 av_abort();
2690 }
2691 }
2692 }
2693 *has_video_ptr = has_video;
2694 *has_audio_ptr = has_audio;
2695 }
2696
2697 static void new_video_stream(AVFormatContext *oc)
2698 {
2699 AVStream *st;
2700 AVCodecContext *video_enc;
2701 int codec_id;
2702
2703 st = av_new_stream(oc, oc->nb_streams);
2704 if (!st) {
2705 fprintf(stderr, "Could not alloc stream\n");
2706 exit(1);
2707 }
2708 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2709 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2710 video_bitstream_filters= NULL;
2711
2712 if(thread_count>1)
2713 avcodec_thread_init(st->codec, thread_count);
2714
2715 video_enc = st->codec;
2716
2717 if(video_codec_tag)
2718 video_enc->codec_tag= video_codec_tag;
2719
2720 if( (video_global_header&1)
2721 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2722 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2723 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2724 }
2725 if(video_global_header&2){
2726 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2727 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2728 }
2729
2730 if (video_stream_copy) {
2731 st->stream_copy = 1;
2732 video_enc->codec_type = CODEC_TYPE_VIDEO;
2733 } else {
2734 char *p;
2735 int i;
2736 AVCodec *codec;
2737
2738 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2739 if (video_codec_id != CODEC_ID_NONE)
2740 codec_id = video_codec_id;
2741
2742 video_enc->codec_id = codec_id;
2743 codec = avcodec_find_encoder(codec_id);
2744
2745 for(i=0; i<opt_name_count; i++){
2746 const AVOption *opt;
2747 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2748 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2749 av_set_double(video_enc, opt_names[i], d);
2750 }
2751
2752 video_enc->time_base.den = frame_rate.num;
2753 video_enc->time_base.num = frame_rate.den;
2754 if(codec && codec->supported_framerates){
2755 const AVRational *p= codec->supported_framerates;
2756 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2757 const AVRational *best=NULL;
2758 AVRational best_error= (AVRational){INT_MAX, 1};
2759 for(; p->den!=0; p++){
2760 AVRational error= av_sub_q(req, *p);
2761 if(error.num <0) error.num *= -1;
2762 if(av_cmp_q(error, best_error) < 0){
2763 best_error= error;
2764 best= p;
2765 }
2766 }
2767 video_enc->time_base.den= best->num;
2768 video_enc->time_base.num= best->den;
2769 }
2770
2771 video_enc->width = frame_width + frame_padright + frame_padleft;
2772 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2773 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2774 video_enc->pix_fmt = frame_pix_fmt;
2775
2776 if(codec && codec->pix_fmts){
2777 const enum PixelFormat *p= codec->pix_fmts;
2778 for(; *p!=-1; p++){
2779 if(*p == video_enc->pix_fmt)
2780 break;
2781 }
2782 if(*p == -1)
2783 video_enc->pix_fmt = codec->pix_fmts[0];
2784 }
2785
2786 if (intra_only)
2787 video_enc->gop_size = 0;
2788 if (video_qscale || same_quality) {
2789 video_enc->flags |= CODEC_FLAG_QSCALE;
2790 video_enc->global_quality=
2791 st->quality = FF_QP2LAMBDA * video_qscale;
2792 }
2793
2794 if(intra_matrix)
2795 video_enc->intra_matrix = intra_matrix;
2796 if(inter_matrix)
2797 video_enc->inter_matrix = inter_matrix;
2798
2799 video_enc->max_qdiff = video_qdiff;
2800 video_enc->rc_eq = video_rc_eq;
2801 video_enc->thread_count = thread_count;
2802 p= video_rc_override_string;
2803 for(i=0; p; i++){
2804 int start, end, q;
2805 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2806 if(e!=3){
2807 fprintf(stderr, "error parsing rc_override\n");
2808 exit(1);
2809 }
2810 video_enc->rc_override=
2811 av_realloc(video_enc->rc_override,
2812 sizeof(RcOverride)*(i+1));
2813 video_enc->rc_override[i].start_frame= start;
2814 video_enc->rc_override[i].end_frame = end;
2815 if(q>0){
2816 video_enc->rc_override[i].qscale= q;
2817 video_enc->rc_override[i].quality_factor= 1.0;
2818 }
2819 else{
2820 video_enc->rc_override[i].qscale= 0;
2821 video_enc->rc_override[i].quality_factor= -q/100.0;
2822 }
2823 p= strchr(p, '/');
2824 if(p) p++;
2825 }
2826 video_enc->rc_override_count=i;
2827 if (!video_enc->rc_initial_buffer_occupancy)
2828 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2829 video_enc->me_threshold= me_threshold;
2830 video_enc->intra_dc_precision= intra_dc_precision - 8;
2831 video_enc->strict_std_compliance = strict;
2832
2833 if (do_psnr)
2834 video_enc->flags|= CODEC_FLAG_PSNR;
2835
2836 video_enc->me_method = me_method;
2837
2838 /* two pass mode */
2839 if (do_pass) {
2840 if (do_pass == 1) {
2841 video_enc->flags |= CODEC_FLAG_PASS1;
2842 } else {
2843 video_enc->flags |= CODEC_FLAG_PASS2;
2844 }
2845 }
2846 }
2847
2848 /* reset some key parameters */
2849 video_disable = 0;
2850 video_codec_id = CODEC_ID_NONE;
2851 video_stream_copy = 0;
2852 }
2853
2854 static void new_audio_stream(AVFormatContext *oc)
2855 {
2856 AVStream *st;
2857 AVCodecContext *audio_enc;
2858 int codec_id, i;
2859
2860 st = av_new_stream(oc, oc->nb_streams);
2861 if (!st) {
2862 fprintf(stderr, "Could not alloc stream\n");
2863 exit(1);
2864 }
2865 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2866
2867 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2868 audio_bitstream_filters= NULL;
2869
2870 if(thread_count>1)
2871 avcodec_thread_init(st->codec, thread_count);
2872
2873 audio_enc = st->codec;
2874 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2875 audio_enc->strict_std_compliance = strict;
2876
2877 if(audio_codec_tag)
2878 audio_enc->codec_tag= audio_codec_tag;
2879
2880 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2881 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2882 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2883 }
2884 if (audio_stream_copy) {
2885 st->stream_copy = 1;
2886 audio_enc->channels = audio_channels;
2887 } else {
2888 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2889
2890 for(i=0; i<opt_name_count; i++){
2891 const AVOption *opt;
2892 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2893 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2894 av_set_double(audio_enc, opt_names[i], d);
2895 }
2896
2897 if (audio_codec_id != CODEC_ID_NONE)
2898 codec_id = audio_codec_id;
2899 audio_enc->codec_id = codec_id;
2900
2901 if (audio_qscale > QSCALE_NONE) {
2902 audio_enc->flags |= CODEC_FLAG_QSCALE;
2903 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2904 }
2905 audio_enc->thread_count = thread_count;
2906 audio_enc->channels = audio_channels;
2907 }
2908 audio_enc->sample_rate = audio_sample_rate;
2909 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2910 if (audio_language) {
2911 pstrcpy(st->language, sizeof(st->language), audio_language);
2912 av_free(audio_language);
2913 audio_language = NULL;
2914 }
2915
2916 /* reset some key parameters */
2917 audio_disable = 0;
2918 audio_codec_id = CODEC_ID_NONE;
2919 audio_stream_copy = 0;
2920 }
2921
2922 static void opt_new_subtitle_stream(void)
2923 {
2924 AVFormatContext *oc;
2925 AVStream *st;
2926 AVCodecContext *subtitle_enc;
2927 int i;
2928
2929 if (nb_output_files <= 0) {
2930 fprintf(stderr, "At least one output file must be specified\n");
2931 exit(1);
2932 }
2933 oc = output_files[nb_output_files - 1];
2934
2935 st = av_new_stream(oc, oc->nb_streams);
2936 if (!st) {
2937 fprintf(stderr, "Could not alloc stream\n");
2938 exit(1);
2939 }
2940 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2941
2942 subtitle_enc = st->codec;
2943 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2944 if (subtitle_stream_copy) {
2945 st->stream_copy = 1;
2946 } else {
2947 for(i=0; i<opt_name_count; i++){
2948 const AVOption *opt;
2949 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2950 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2951 av_set_double(subtitle_enc, opt_names[i], d);
2952 }
2953 subtitle_enc->codec_id = subtitle_codec_id;
2954 }
2955
2956 if (subtitle_language) {
2957 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2958 av_free(subtitle_language);
2959 subtitle_language = NULL;
2960 }
2961
2962 subtitle_codec_id = CODEC_ID_NONE;
2963 subtitle_stream_copy = 0;
2964 }
2965
2966 static void opt_new_audio_stream(void)
2967 {
2968 AVFormatContext *oc;
2969 if (nb_output_files <= 0) {
2970 fprintf(stderr, "At least one output file must be specified\n");
2971 exit(1);
2972 }
2973 oc = output_files[nb_output_files - 1];
2974 new_audio_stream(oc);
2975 }
2976
2977 static void opt_new_video_stream(void)
2978 {
2979 AVFormatContext *oc;
2980 if (nb_output_files <= 0) {
2981 fprintf(stderr, "At least one output file must be specified\n");
2982 exit(1);
2983 }
2984 oc = output_files[nb_output_files - 1];
2985 new_video_stream(oc);
2986 }
2987
2988 static void opt_output_file(const char *filename)
2989 {
2990 AVFormatContext *oc;
2991 int use_video, use_audio, input_has_video, input_has_audio, i;
2992 AVFormatParameters params, *ap = &params;
2993
2994 if (!strcmp(filename, "-"))
2995 filename = "pipe:";
2996
2997 oc = av_alloc_format_context();
2998
2999 if (!file_oformat) {
3000 file_oformat = guess_format(NULL, filename, NULL);
3001 if (!file_oformat) {
3002 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3003 filename);
3004 exit(1);
3005 }
3006 }
3007
3008 oc->oformat = file_oformat;
3009 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3010
3011 if (!strcmp(file_oformat->name, "ffm") &&
3012 strstart(filename, "http:", NULL)) {
3013 /* special case for files sent to ffserver: we get the stream
3014 parameters from ffserver */
3015 if (read_ffserver_streams(oc, filename) < 0) {
3016 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3017 exit(1);
3018 }
3019 } else {
3020 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3021 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3022
3023 /* disable if no corresponding type found and at least one
3024 input file */
3025 if (nb_input_files > 0) {
3026 check_audio_video_inputs(&input_has_video, &input_has_audio);
3027 if (!input_has_video)
3028 use_video = 0;
3029 if (!input_has_audio)
3030 use_audio = 0;
3031 }
3032
3033 /* manual disable */
3034 if (audio_disable) {
3035 use_audio = 0;
3036 }
3037 if (video_disable) {
3038 use_video = 0;
3039 }
3040
3041 if (use_video) {
3042 new_video_stream(oc);
3043 }
3044
3045 if (use_audio) {
3046 new_audio_stream(oc);
3047 }
3048
3049 oc->timestamp = rec_timestamp;
3050
3051 if (str_title)
3052 pstrcpy(oc->title, sizeof(oc->title), str_title);
3053 if (str_author)
3054 pstrcpy(oc->author, sizeof(oc->author), str_author);
3055 if (str_copyright)
3056 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3057 if (str_comment)
3058 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3059 if (str_album)
3060 pstrcpy(oc->album, sizeof(oc->album), str_album);
3061 }
3062
3063 output_files[nb_output_files++] = oc;
3064
3065 /* check filename in case of an image number is expected */
3066 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3067 if (!av_filename_number_test(oc->filename)) {
3068 print_error(oc->filename, AVERROR_NUMEXPECTED);
3069 exit(1);
3070 }
3071 }
3072
3073 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3074 /* test if it already exists to avoid loosing precious files */
3075 if (!file_overwrite &&
3076 (strchr(filename, ':') == NULL ||
3077 strstart(filename, "file:", NULL))) {
3078 if (url_exist(filename)) {
3079 int c;
3080
3081 if ( !using_stdin ) {
3082 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3083 fflush(stderr);
3084 c = getchar();
3085 if (toupper(c) != 'Y') {
3086 fprintf(stderr, "Not overwriting - exiting\n");
3087 exit(1);
3088 }
3089 }
3090 else {
3091 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3092 exit(1);
3093 }
3094 }
3095 }
3096
3097 /* open the file */
3098 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3099 fprintf(stderr, "Could not open '%s'\n", filename);
3100 exit(1);
3101 }
3102 }
3103
3104 memset(ap, 0, sizeof(*ap));
3105 if (av_set_parameters(oc, ap) < 0) {
3106 fprintf(stderr, "%s: Invalid encoding parameters\n",
3107 oc->filename);
3108 exit(1);
3109 }
3110
3111 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3112 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3113 oc->loop_output = loop_output;
3114
3115 for(i=0; i<opt_name_count; i++){
3116 const AVOption *opt;
3117 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3118 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3119 av_set_double(oc, opt_names[i], d);
3120 }
3121
3122 /* reset some options */
3123 file_oformat = NULL;
3124 file_iformat = NULL;
3125 }
3126
3127 /* same option as mencoder */
3128 static void opt_pass(const char *pass_str)
3129 {
3130 int pass;
3131 pass = atoi(pass_str);
3132 if (pass != 1 && pass != 2) {
3133 fprintf(stderr, "pass number can be only 1 or 2\n");
3134 exit(1);
3135 }
3136 do_pass = pass;
3137 }
3138
3139 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3140 static int64_t getutime(void)
3141 {
3142 return av_gettime();
3143 }
3144 #else
3145 static int64_t getutime(void)
3146 {
3147 struct rusage rusage;
3148
3149 getrusage(RUSAGE_SELF, &rusage);
3150 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3151 }
3152 #endif
3153
3154 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3155 extern int ffm_nopts;
3156 #endif
3157
3158 static void show_formats(void)
3159 {
3160 AVInputFormat *ifmt;
3161 AVOutputFormat *ofmt;
3162 URLProtocol *up;
3163 AVCodec *p, *p2;
3164 const char **pp, *last_name;
3165
3166 printf("File formats:\n");
3167 last_name= "000";
3168 for(;;){
3169 int decode=0;
3170 int encode=0;
3171 const char *name=NULL;
3172 const char *long_name=NULL;
3173
3174 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3175 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3176 strcmp(ofmt->name, last_name)>0){
3177 name= ofmt->name;
3178 long_name= ofmt->long_name;
3179 encode=1;
3180 }
3181 }
3182 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3183 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3184 strcmp(ifmt->name, last_name)>0){
3185 name= ifmt->name;
3186 long_name= ifmt->long_name;
3187 encode=0;
3188 }
3189 if(name && strcmp(ifmt->name, name)==0)
3190 decode=1;
3191 }
3192 if(name==NULL)
3193 break;
3194 last_name= name;
3195
3196 printf(
3197 " %s%s %-15s %s\n",
3198 decode ? "D":" ",
3199 encode ? "E":" ",
3200 name,
3201 long_name ? long_name:" ");
3202 }
3203 printf("\n");
3204
3205 printf("Codecs:\n");
3206 last_name= "000";
3207 for(;;){
3208 int decode=0;
3209 int encode=0;
3210 int cap=0;
3211 const char *type_str;
3212
3213 p2=NULL;
3214 for(p = first_avcodec; p != NULL; p = p->next) {
3215 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3216 strcmp(p->name, last_name)>0){
3217 p2= p;
3218 decode= encode= cap=0;
3219 }
3220 if(p2 && strcmp(p->name, p2->name)==0){
3221 if(p->decode) decode=1;
3222 if(p->encode) encode=1;
3223 cap |= p->capabilities;
3224 }
3225 }
3226 if(p2==NULL)
3227 break;
3228 last_name= p2->name;
3229
3230 switch(p2->type) {
3231 case CODEC_TYPE_VIDEO:
3232 type_str = "V";
3233 break;
3234 case CODEC_TYPE_AUDIO:
3235 type_str = "A";
3236 break;
3237 case CODEC_TYPE_SUBTITLE:
3238 type_str = "S";
3239 break;
3240 default:
3241 type_str = "?";
3242 break;
3243 }
3244 printf(
3245 " %s%s%s%s%s%s %s",
3246 decode ? "D": (/*p2->decoder ? "d":*/" "),
3247 encode ? "E":" ",
3248 type_str,
3249 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S"