duplicate *_opts for every codec types, in order to have the "ab" and "b" options...
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 #define HAVE_AV_CONFIG_H
22 #include <signal.h>
23 #include <limits.h>
24 #include "avformat.h"
25 #include "swscale.h"
26 #include "framehook.h"
27 #include "dsputil.h"
28 #include "opt.h"
29 #include "fifo.h"
30
31 #ifdef __MINGW32__
32 #include <conio.h>
33 #else
34 #include <unistd.h>
35 #include <fcntl.h>
36 #include <sys/ioctl.h>
37 #include <sys/time.h>
38 #include <termios.h>
39 #include <sys/resource.h>
40 #endif
41 #ifdef CONFIG_OS2
42 #include <sys/types.h>
43 #include <sys/select.h>
44 #include <stdlib.h>
45 #endif
46 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
47 #include <time.h>
48
49 #include "version.h"
50 #include "cmdutils.h"
51
52 #undef NDEBUG
53 #include <assert.h>
54
55 #if !defined(INFINITY) && defined(HUGE_VAL)
56 #define INFINITY HUGE_VAL
57 #endif
58
59 /* select an input stream for an output stream */
60 typedef struct AVStreamMap {
61 int file_index;
62 int stream_index;
63 int sync_file_index;
64 int sync_stream_index;
65 } AVStreamMap;
66
67 /** select an input file for an output file */
68 typedef struct AVMetaDataMap {
69 int out_file;
70 int in_file;
71 } AVMetaDataMap;
72
73 extern const OptionDef options[];
74
75 static void show_help(void);
76 static void show_license(void);
77 static int opt_default(const char *opt, const char *arg);
78
79 #define MAX_FILES 20
80
81 static AVFormatContext *input_files[MAX_FILES];
82 static int64_t input_files_ts_offset[MAX_FILES];
83 static int nb_input_files = 0;
84
85 static AVFormatContext *output_files[MAX_FILES];
86 static int nb_output_files = 0;
87
88 static AVStreamMap stream_maps[MAX_FILES];
89 static int nb_stream_maps;
90
91 static AVMetaDataMap meta_data_maps[MAX_FILES];
92 static int nb_meta_data_maps;
93
94 static AVInputFormat *file_iformat;
95 static AVOutputFormat *file_oformat;
96 static int frame_width = 0;
97 static int frame_height = 0;
98 static float frame_aspect_ratio = 0;
99 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
100 static int frame_padtop = 0;
101 static int frame_padbottom = 0;
102 static int frame_padleft = 0;
103 static int frame_padright = 0;
104 static int padcolor[3] = {16,128,128}; /* default to black */
105 static int frame_topBand = 0;
106 static int frame_bottomBand = 0;
107 static int frame_leftBand = 0;
108 static int frame_rightBand = 0;
109 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
110 static int frame_rate = 25;
111 static int frame_rate_base = 1;
112 static float video_qscale = 0;
113 static int video_qdiff = 3;
114 static uint16_t *intra_matrix = NULL;
115 static uint16_t *inter_matrix = NULL;
116 #if 0 //experimental, (can be removed)
117 static float video_rc_qsquish=1.0;
118 static float video_rc_qmod_amp=0;
119 static int video_rc_qmod_freq=0;
120 #endif
121 static char *video_rc_override_string=NULL;
122 static char *video_rc_eq="tex^qComp";
123 static int me_method = ME_EPZS;
124 static int video_disable = 0;
125 static int video_discard = 0;
126 static int video_codec_id = CODEC_ID_NONE;
127 static int video_codec_tag = 0;
128 static int same_quality = 0;
129 static int do_deinterlace = 0;
130 static int packet_size = 0;
131 static int strict = 0;
132 static int top_field_first = -1;
133 static int me_threshold = 0;
134 static int intra_dc_precision = 8;
135 static int loop_input = 0;
136 static int loop_output = AVFMT_NOOUTPUTLOOP;
137 static int qp_hist = 0;
138
139 static int intra_only = 0;
140 static int audio_sample_rate = 44100;
141 static int audio_bit_rate = 64000;
142 #define QSCALE_NONE -99999
143 static float audio_qscale = QSCALE_NONE;
144 static int audio_disable = 0;
145 static int audio_channels = 1;
146 static int audio_codec_id = CODEC_ID_NONE;
147 static int audio_codec_tag = 0;
148 static char *audio_language = NULL;
149
150 static int subtitle_codec_id = CODEC_ID_NONE;
151 static char *subtitle_language = NULL;
152
153 static float mux_preload= 0.5;
154 static float mux_max_delay= 0.7;
155
156 static int64_t recording_time = 0;
157 static int64_t start_time = 0;
158 static int64_t rec_timestamp = 0;
159 static int64_t input_ts_offset = 0;
160 static int file_overwrite = 0;
161 static char *str_title = NULL;
162 static char *str_author = NULL;
163 static char *str_copyright = NULL;
164 static char *str_comment = NULL;
165 static char *str_album = NULL;
166 static int do_benchmark = 0;
167 static int do_hex_dump = 0;
168 static int do_pkt_dump = 0;
169 static int do_psnr = 0;
170 static int do_vstats = 0;
171 static int do_pass = 0;
172 static char *pass_logfilename = NULL;
173 static int audio_stream_copy = 0;
174 static int video_stream_copy = 0;
175 static int subtitle_stream_copy = 0;
176 static int video_sync_method= 1;
177 static int audio_sync_method= 0;
178 static int copy_ts= 0;
179 static int opt_shortest = 0; //
180 static int video_global_header = 0;
181
182 static int rate_emu = 0;
183
184 static int video_channel = 0;
185 static char *video_standard = "ntsc";
186
187 static int audio_volume = 256;
188
189 static int using_stdin = 0;
190 static int using_vhook = 0;
191 static int verbose = 1;
192 static int thread_count= 1;
193 static int q_pressed = 0;
194 static int64_t video_size = 0;
195 static int64_t audio_size = 0;
196 static int64_t extra_size = 0;
197 static int nb_frames_dup = 0;
198 static int nb_frames_drop = 0;
199 static int input_sync;
200 static int limit_filesize = 0; //
201
202 static int pgmyuv_compatibility_hack=0;
203 static int dts_delta_threshold = 10;
204
205 static int sws_flags = SWS_BICUBIC;
206
207 const char **opt_names=NULL;
208 int opt_name_count=0;
209 AVCodecContext *avctx_opts[CODEC_TYPE_NB];
210 AVFormatContext *avformat_opts;
211
212 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
213 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
215
216 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
217
218 struct AVInputStream;
219
220 typedef struct AVOutputStream {
221 int file_index; /* file index */
222 int index; /* stream index in the output file */
223 int source_index; /* AVInputStream index */
224 AVStream *st; /* stream in the output file */
225 int encoding_needed; /* true if encoding needed for this stream */
226 int frame_number;
227 /* input pts and corresponding output pts
228 for A/V sync */
229 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
230 struct AVInputStream *sync_ist; /* input stream to sync against */
231 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
232 /* video only */
233 int video_resample;
234 AVFrame pict_tmp; /* temporary image for resampling */
235 struct SwsContext *img_resample_ctx; /* for image resampling */
236 int resample_height;
237
238 int video_crop;
239 int topBand; /* cropping area sizes */
240 int leftBand;
241
242 int video_pad;
243 int padtop; /* padding area sizes */
244 int padbottom;
245 int padleft;
246 int padright;
247
248 /* audio only */
249 int audio_resample;
250 ReSampleContext *resample; /* for audio resampling */
251 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
252 FILE *logfile;
253 } AVOutputStream;
254
255 typedef struct AVInputStream {
256 int file_index;
257 int index;
258 AVStream *st;
259 int discard; /* true if stream data should be discarded */
260 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
261 int64_t sample_index; /* current sample */
262
263 int64_t start; /* time when read started */
264 unsigned long frame; /* current frame */
265 int64_t next_pts; /* synthetic pts for cases where pkt.pts
266 is not defined */
267 int64_t pts; /* current pts */
268 int is_start; /* is 1 at the start and after a discontinuity */
269 } AVInputStream;
270
271 typedef struct AVInputFile {
272 int eof_reached; /* true if eof reached */
273 int ist_index; /* index of first stream in ist_table */
274 int buffer_size; /* current total buffer size */
275 int buffer_size_max; /* buffer size at which we consider we can stop
276 buffering */
277 int nb_streams; /* nb streams we are aware of */
278 } AVInputFile;
279
280 #ifndef __MINGW32__
281
282 /* init terminal so that we can grab keys */
283 static struct termios oldtty;
284 #endif
285
286 static void term_exit(void)
287 {
288 #ifndef __MINGW32__
289 tcsetattr (0, TCSANOW, &oldtty);
290 #endif
291 }
292
293 static volatile sig_atomic_t received_sigterm = 0;
294
295 static void
296 sigterm_handler(int sig)
297 {
298 received_sigterm = sig;
299 term_exit();
300 }
301
302 static void term_init(void)
303 {
304 #ifndef __MINGW32__
305 struct termios tty;
306
307 tcgetattr (0, &tty);
308 oldtty = tty;
309
310 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
311 |INLCR|IGNCR|ICRNL|IXON);
312 tty.c_oflag |= OPOST;
313 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
314 tty.c_cflag &= ~(CSIZE|PARENB);
315 tty.c_cflag |= CS8;
316 tty.c_cc[VMIN] = 1;
317 tty.c_cc[VTIME] = 0;
318
319 tcsetattr (0, TCSANOW, &tty);
320 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
321 #endif
322
323 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
324 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
325 /*
326 register a function to be called at normal program termination
327 */
328 atexit(term_exit);
329 #ifdef CONFIG_BEOS_NETSERVER
330 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
331 #endif
332 }
333
334 /* read a key without blocking */
335 static int read_key(void)
336 {
337 #ifdef __MINGW32__
338 if(kbhit())
339 return(getch());
340 #else
341 int n = 1;
342 unsigned char ch;
343 #ifndef CONFIG_BEOS_NETSERVER
344 struct timeval tv;
345 fd_set rfds;
346
347 FD_ZERO(&rfds);
348 FD_SET(0, &rfds);
349 tv.tv_sec = 0;
350 tv.tv_usec = 0;
351 n = select(1, &rfds, NULL, NULL, &tv);
352 #endif
353 if (n > 0) {
354 n = read(0, &ch, 1);
355 if (n == 1)
356 return ch;
357
358 return n;
359 }
360 #endif
361 return -1;
362 }
363
364 static int decode_interrupt_cb(void)
365 {
366 return q_pressed || (q_pressed = read_key() == 'q');
367 }
368
369 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
370 {
371 int i, err;
372 AVFormatContext *ic;
373
374 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
375 if (err < 0)
376 return err;
377 /* copy stream format */
378 s->nb_streams = ic->nb_streams;
379 for(i=0;i<ic->nb_streams;i++) {
380 AVStream *st;
381
382 // FIXME: a more elegant solution is needed
383 st = av_mallocz(sizeof(AVStream));
384 memcpy(st, ic->streams[i], sizeof(AVStream));
385 st->codec = avcodec_alloc_context();
386 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
387 s->streams[i] = st;
388 }
389
390 av_close_input_file(ic);
391 return 0;
392 }
393
394 static double
395 get_sync_ipts(const AVOutputStream *ost)
396 {
397 const AVInputStream *ist = ost->sync_ist;
398 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
399 }
400
401 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
402 while(bsfc){
403 AVPacket new_pkt= *pkt;
404 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
405 &new_pkt.data, &new_pkt.size,
406 pkt->data, pkt->size,
407 pkt->flags & PKT_FLAG_KEY);
408 if(a){
409 av_free_packet(pkt);
410 new_pkt.destruct= av_destruct_packet;
411 }
412 *pkt= new_pkt;
413
414 bsfc= bsfc->next;
415 }
416
417 av_interleaved_write_frame(s, pkt);
418 }
419
420 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
421
422 static void do_audio_out(AVFormatContext *s,
423 AVOutputStream *ost,
424 AVInputStream *ist,
425 unsigned char *buf, int size)
426 {
427 uint8_t *buftmp;
428 static uint8_t *audio_buf = NULL;
429 static uint8_t *audio_out = NULL;
430 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
431
432 int size_out, frame_bytes, ret;
433 AVCodecContext *enc= ost->st->codec;
434
435 /* SC: dynamic allocation of buffers */
436 if (!audio_buf)
437 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
438 if (!audio_out)
439 audio_out = av_malloc(audio_out_size);
440 if (!audio_buf || !audio_out)
441 return; /* Should signal an error ! */
442
443 if(audio_sync_method){
444 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
445 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
446 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
447 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
448
449 //FIXME resample delay
450 if(fabs(delta) > 50){
451 if(ist->is_start){
452 if(byte_delta < 0){
453 byte_delta= FFMAX(byte_delta, -size);
454 size += byte_delta;
455 buf -= byte_delta;
456 if(verbose > 2)
457 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
458 if(!size)
459 return;
460 ist->is_start=0;
461 }else{
462 static uint8_t *input_tmp= NULL;
463 input_tmp= av_realloc(input_tmp, byte_delta + size);
464
465 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
466 ist->is_start=0;
467 else
468 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
469
470 memset(input_tmp, 0, byte_delta);
471 memcpy(input_tmp + byte_delta, buf, size);
472 buf= input_tmp;
473 size += byte_delta;
474 if(verbose > 2)
475 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
476 }
477 }else if(audio_sync_method>1){
478 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
479 assert(ost->audio_resample);
480 if(verbose > 2)
481 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
482 // 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));
483 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
484 }
485 }
486 }else
487 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
488 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
489
490 if (ost->audio_resample) {
491 buftmp = audio_buf;
492 size_out = audio_resample(ost->resample,
493 (short *)buftmp, (short *)buf,
494 size / (ist->st->codec->channels * 2));
495 size_out = size_out * enc->channels * 2;
496 } else {
497 buftmp = buf;
498 size_out = size;
499 }
500
501 /* now encode as many frames as possible */
502 if (enc->frame_size > 1) {
503 /* output resampled raw samples */
504 av_fifo_write(&ost->fifo, buftmp, size_out);
505
506 frame_bytes = enc->frame_size * 2 * enc->channels;
507
508 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
509 AVPacket pkt;
510 av_init_packet(&pkt);
511
512 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
513 (short *)audio_buf);
514 audio_size += ret;
515 pkt.stream_index= ost->index;
516 pkt.data= audio_out;
517 pkt.size= ret;
518 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
519 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
520 pkt.flags |= PKT_FLAG_KEY;
521 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
522
523 ost->sync_opts += enc->frame_size;
524 }
525 } else {
526 AVPacket pkt;
527 av_init_packet(&pkt);
528
529 ost->sync_opts += size_out / (2 * enc->channels);
530
531 /* output a pcm frame */
532 /* XXX: change encoding codec API to avoid this ? */
533 switch(enc->codec->id) {
534 case CODEC_ID_PCM_S32LE:
535 case CODEC_ID_PCM_S32BE:
536 case CODEC_ID_PCM_U32LE:
537 case CODEC_ID_PCM_U32BE:
538 size_out = size_out << 1;
539 break;
540 case CODEC_ID_PCM_S24LE:
541 case CODEC_ID_PCM_S24BE:
542 case CODEC_ID_PCM_U24LE:
543 case CODEC_ID_PCM_U24BE:
544 case CODEC_ID_PCM_S24DAUD:
545 size_out = size_out / 2 * 3;
546 break;
547 case CODEC_ID_PCM_S16LE:
548 case CODEC_ID_PCM_S16BE:
549 case CODEC_ID_PCM_U16LE:
550 case CODEC_ID_PCM_U16BE:
551 break;
552 default:
553 size_out = size_out >> 1;
554 break;
555 }
556 ret = avcodec_encode_audio(enc, audio_out, size_out,
557 (short *)buftmp);
558 audio_size += ret;
559 pkt.stream_index= ost->index;
560 pkt.data= audio_out;
561 pkt.size= ret;
562 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
563 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
564 pkt.flags |= PKT_FLAG_KEY;
565 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
566 }
567 }
568
569 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
570 {
571 AVCodecContext *dec;
572 AVPicture *picture2;
573 AVPicture picture_tmp;
574 uint8_t *buf = 0;
575
576 dec = ist->st->codec;
577
578 /* deinterlace : must be done before any resize */
579 if (do_deinterlace || using_vhook) {
580 int size;
581
582 /* create temporary picture */
583 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
584 buf = av_malloc(size);
585 if (!buf)
586 return;
587
588 picture2 = &picture_tmp;
589 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
590
591 if (do_deinterlace){
592 if(avpicture_deinterlace(picture2, picture,
593 dec->pix_fmt, dec->width, dec->height) < 0) {
594 /* if error, do not deinterlace */
595 av_free(buf);
596 buf = NULL;
597 picture2 = picture;
598 }
599 } else {
600 img_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
601 }
602 } else {
603 picture2 = picture;
604 }
605
606 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
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 uint8_t *buf = NULL, *buf1 = NULL;
681 AVCodecContext *enc, *dec;
682
683 avcodec_get_frame_defaults(&picture_crop_temp);
684 avcodec_get_frame_defaults(&picture_pad_temp);
685
686 enc = ost->st->codec;
687 dec = ist->st->codec;
688
689 /* by default, we output a single frame */
690 nb_frames = 1;
691
692 *frame_size = 0;
693
694 if(video_sync_method){
695 double vdelta;
696 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
697 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
698 if (vdelta < -1.1)
699 nb_frames = 0;
700 else if (vdelta > 1.1)
701 nb_frames = lrintf(vdelta);
702 //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);
703 if (nb_frames == 0){
704 ++nb_frames_drop;
705 if (verbose>2)
706 fprintf(stderr, "*** drop!\n");
707 }else if (nb_frames > 1) {
708 nb_frames_dup += nb_frames;
709 if (verbose>2)
710 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
711 }
712 }else
713 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
714
715 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
716 if (nb_frames <= 0)
717 return;
718
719 if (ost->video_crop) {
720 if (img_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
721 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
722 goto the_end;
723 }
724 formatted_picture = &picture_crop_temp;
725 } else {
726 formatted_picture = in_picture;
727 }
728
729 final_picture = formatted_picture;
730 padding_src = formatted_picture;
731 resampling_dst = &ost->pict_tmp;
732 if (ost->video_pad) {
733 final_picture = &ost->pict_tmp;
734 if (ost->video_resample) {
735 if (img_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
736 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
737 goto the_end;
738 }
739 resampling_dst = &picture_pad_temp;
740 }
741 }
742
743 if (ost->video_resample) {
744 padding_src = NULL;
745 final_picture = &ost->pict_tmp;
746 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
747 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
748 }
749
750 if (ost->video_pad) {
751 img_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
752 enc->height, enc->width, enc->pix_fmt,
753 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
754 }
755
756 /* duplicates frame if needed */
757 for(i=0;i<nb_frames;i++) {
758 AVPacket pkt;
759 av_init_packet(&pkt);
760 pkt.stream_index= ost->index;
761
762 if (s->oformat->flags & AVFMT_RAWPICTURE) {
763 /* raw pictures are written as AVPicture structure to
764 avoid any copies. We support temorarily the older
765 method. */
766 AVFrame* old_frame = enc->coded_frame;
767 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
768 pkt.data= (uint8_t *)final_picture;
769 pkt.size= sizeof(AVPicture);
770 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
771 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
772 if(dec->coded_frame && dec->coded_frame->key_frame)
773 pkt.flags |= PKT_FLAG_KEY;
774
775 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
776 enc->coded_frame = old_frame;
777 } else {
778 AVFrame big_picture;
779
780 big_picture= *final_picture;
781 /* better than nothing: use input picture interlaced
782 settings */
783 big_picture.interlaced_frame = in_picture->interlaced_frame;
784 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
785 if(top_field_first == -1)
786 big_picture.top_field_first = in_picture->top_field_first;
787 else
788 big_picture.top_field_first = top_field_first;
789 }
790
791 /* handles sameq here. This is not correct because it may
792 not be a global option */
793 if (same_quality) {
794 big_picture.quality = ist->st->quality;
795 }else
796 big_picture.quality = ost->st->quality;
797 if(!me_threshold)
798 big_picture.pict_type = 0;
799 // big_picture.pts = AV_NOPTS_VALUE;
800 big_picture.pts= ost->sync_opts;
801 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
802 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
803 ret = avcodec_encode_video(enc,
804 bit_buffer, bit_buffer_size,
805 &big_picture);
806 if (ret == -1) {
807 fprintf(stderr, "Video encoding failed\n");
808 exit(1);
809 }
810 //enc->frame_number = enc->real_pict_num;
811 if(ret>0){
812 pkt.data= bit_buffer;
813 pkt.size= ret;
814 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
815 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
816 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
817 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
818 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
819
820 if(enc->coded_frame && enc->coded_frame->key_frame)
821 pkt.flags |= PKT_FLAG_KEY;
822 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
823 *frame_size = ret;
824 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
825 // enc->frame_number-1, enc->real_pict_num, ret,
826 // enc->pict_type);
827 /* if two pass, output log */
828 if (ost->logfile && enc->stats_out) {
829 fprintf(ost->logfile, "%s", enc->stats_out);
830 }
831 }
832 }
833 ost->sync_opts++;
834 ost->frame_number++;
835 }
836 the_end:
837 av_free(buf);
838 av_free(buf1);
839 }
840
841 static double psnr(double d){
842 if(d==0) return INFINITY;
843 return -10.0*log(d)/log(10.0);
844 }
845
846 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
847 int frame_size)
848 {
849 static FILE *fvstats=NULL;
850 char filename[40];
851 time_t today2;
852 struct tm *today;
853 AVCodecContext *enc;
854 int frame_number;
855 int64_t ti;
856 double ti1, bitrate, avg_bitrate;
857
858 if (!fvstats) {
859 today2 = time(NULL);
860 today = localtime(&today2);
861 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
862 today->tm_min,
863 today->tm_sec);
864 fvstats = fopen(filename,"w");
865 if (!fvstats) {
866 perror("fopen");
867 exit(1);
868 }
869 }
870
871 ti = INT64_MAX;
872 enc = ost->st->codec;
873 if (enc->codec_type == CODEC_TYPE_VIDEO) {
874 frame_number = ost->frame_number;
875 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
876 if (enc->flags&CODEC_FLAG_PSNR)
877 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
878
879 fprintf(fvstats,"f_size= %6d ", frame_size);
880 /* compute pts value */
881 ti1 = ost->sync_opts * av_q2d(enc->time_base);
882 if (ti1 < 0.01)
883 ti1 = 0.01;
884
885 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
886 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
887 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
888 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
889 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
890 }
891 }
892
893 static void print_report(AVFormatContext **output_files,
894 AVOutputStream **ost_table, int nb_ostreams,
895 int is_last_report)
896 {
897 char buf[1024];
898 AVOutputStream *ost;
899 AVFormatContext *oc, *os;
900 int64_t total_size;
901 AVCodecContext *enc;
902 int frame_number, vid, i;
903 double bitrate, ti1, pts;
904 static int64_t last_time = -1;
905 static int qp_histogram[52];
906
907 if (!is_last_report) {
908 int64_t cur_time;
909 /* display the report every 0.5 seconds */
910 cur_time = av_gettime();
911 if (last_time == -1) {
912 last_time = cur_time;
913 return;
914 }
915 if ((cur_time - last_time) < 500000)
916 return;
917 last_time = cur_time;
918 }
919
920
921 oc = output_files[0];
922
923 total_size = url_ftell(&oc->pb);
924
925 buf[0] = '\0';
926 ti1 = 1e10;
927 vid = 0;
928 for(i=0;i<nb_ostreams;i++) {
929 ost = ost_table[i];
930 os = output_files[ost->file_index];
931 enc = ost->st->codec;
932 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
933 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
934 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
935 }
936 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
937 frame_number = ost->frame_number;
938 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
939 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
940 if(is_last_report)
941 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
942 if(qp_hist && enc->coded_frame){
943 int j;
944 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
945 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
946 qp_histogram[qp]++;
947 for(j=0; j<32; j++)
948 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
949 }
950 if (enc->flags&CODEC_FLAG_PSNR){
951 int j;
952 double error, error_sum=0;
953 double scale, scale_sum=0;
954 char type[3]= {'Y','U','V'};
955 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
956 for(j=0; j<3; j++){
957 if(is_last_report){
958 error= enc->error[j];
959 scale= enc->width*enc->height*255.0*255.0*frame_number;
960 }else{
961 error= enc->coded_frame->error[j];
962 scale= enc->width*enc->height*255.0*255.0;
963 }
964 if(j) scale/=4;
965 error_sum += error;
966 scale_sum += scale;
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
968 }
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
970 }
971 vid = 1;
972 }
973 /* compute min output value */
974 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
975 if ((pts < ti1) && (pts > 0))
976 ti1 = pts;
977 }
978 if (ti1 < 0.01)
979 ti1 = 0.01;
980
981 if (verbose || is_last_report) {
982 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
983
984 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
985 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
986 (double)total_size / 1024, ti1, bitrate);
987
988 if (verbose > 1)
989 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
990 nb_frames_dup, nb_frames_drop);
991
992 if (verbose >= 0)
993 fprintf(stderr, "%s \r", buf);
994
995 fflush(stderr);
996 }
997
998 if (is_last_report && verbose >= 0){
999 int64_t raw= audio_size + video_size + extra_size;
1000 fprintf(stderr, "\n");
1001 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1002 video_size/1024.0,
1003 audio_size/1024.0,
1004 extra_size/1024.0,
1005 100.0*(total_size - raw)/raw
1006 );
1007 }
1008 }
1009
1010 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1011 static int output_packet(AVInputStream *ist, int ist_index,
1012 AVOutputStream **ost_table, int nb_ostreams,
1013 const AVPacket *pkt)
1014 {
1015 AVFormatContext *os;
1016 AVOutputStream *ost;
1017 uint8_t *ptr;
1018 int len, ret, i;
1019 uint8_t *data_buf;
1020 int data_size, got_picture;
1021 AVFrame picture;
1022 void *buffer_to_free;
1023 static unsigned int samples_size= 0;
1024 static short *samples= NULL;
1025 AVSubtitle subtitle, *subtitle_to_free;
1026 int got_subtitle;
1027
1028 if(!pkt){
1029 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1030 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1031 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1032 } else {
1033 // assert(ist->pts == ist->next_pts);
1034 }
1035
1036 if (pkt == NULL) {
1037 /* EOF handling */
1038 ptr = NULL;
1039 len = 0;
1040 goto handle_eof;
1041 }
1042
1043 len = pkt->size;
1044 ptr = pkt->data;
1045 while (len > 0) {
1046 handle_eof:
1047 /* decode the packet if needed */
1048 data_buf = NULL; /* fail safe */
1049 data_size = 0;
1050 subtitle_to_free = NULL;
1051 if (ist->decoding_needed) {
1052 switch(ist->st->codec->codec_type) {
1053 case CODEC_TYPE_AUDIO:{
1054 if(pkt)
1055 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1056 data_size= samples_size;
1057 /* XXX: could avoid copy if PCM 16 bits with same
1058 endianness as CPU */
1059 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1060 ptr, len);
1061 if (ret < 0)
1062 goto fail_decode;
1063 ptr += ret;
1064 len -= ret;
1065 /* Some bug in mpeg audio decoder gives */
1066 /* data_size < 0, it seems they are overflows */
1067 if (data_size <= 0) {
1068 /* no audio frame */
1069 continue;
1070 }
1071 data_buf = (uint8_t *)samples;
1072 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1073 (ist->st->codec->sample_rate * ist->st->codec->channels);
1074 break;}
1075 case CODEC_TYPE_VIDEO:
1076 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1077 /* XXX: allocate picture correctly */
1078 avcodec_get_frame_defaults(&picture);
1079
1080 ret = avcodec_decode_video(ist->st->codec,
1081 &picture, &got_picture, ptr, len);
1082 ist->st->quality= picture.quality;
1083 if (ret < 0)
1084 goto fail_decode;
1085 if (!got_picture) {
1086 /* no picture yet */
1087 goto discard_packet;
1088 }
1089 if (ist->st->codec->time_base.num != 0) {
1090 ist->next_pts += ((int64_t)AV_TIME_BASE *
1091 ist->st->codec->time_base.num) /
1092 ist->st->codec->time_base.den;
1093 }
1094 len = 0;
1095 break;
1096 case CODEC_TYPE_SUBTITLE:
1097 ret = avcodec_decode_subtitle(ist->st->codec,
1098 &subtitle, &got_subtitle, ptr, len);
1099 if (ret < 0)
1100 goto fail_decode;
1101 if (!got_subtitle) {
1102 goto discard_packet;
1103 }
1104 subtitle_to_free = &subtitle;
1105 len = 0;
1106 break;
1107 default:
1108 goto fail_decode;
1109 }
1110 } else {
1111 switch(ist->st->codec->codec_type) {
1112 case CODEC_TYPE_AUDIO:
1113 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1114 (ist->st->codec->sample_rate * ist->st->codec->channels);
1115 break;
1116 case CODEC_TYPE_VIDEO:
1117 if (ist->st->codec->time_base.num != 0) {
1118 ist->next_pts += ((int64_t)AV_TIME_BASE *
1119 ist->st->codec->time_base.num) /
1120 ist->st->codec->time_base.den;
1121 }
1122 break;
1123 }
1124 data_buf = ptr;
1125 data_size = len;
1126 ret = len;
1127 len = 0;
1128 }
1129
1130 buffer_to_free = NULL;
1131 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1132 pre_process_video_frame(ist, (AVPicture *)&picture,
1133 &buffer_to_free);
1134 }
1135
1136 // preprocess audio (volume)
1137 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1138 if (audio_volume != 256) {
1139 short *volp;
1140 volp = samples;
1141 for(i=0;i<(data_size / sizeof(short));i++) {
1142 int v = ((*volp) * audio_volume + 128) >> 8;
1143 if (v < -32768) v = -32768;
1144 if (v > 32767) v = 32767;
1145 *volp++ = v;
1146 }
1147 }
1148 }
1149
1150 /* frame rate emulation */
1151 if (ist->st->codec->rate_emu) {
1152 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1153 int64_t now = av_gettime() - ist->start;
1154 if (pts > now)
1155 usleep(pts - now);
1156
1157 ist->frame++;
1158 }
1159
1160 #if 0
1161 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1162 is the one of the next displayed one */
1163 /* XXX: add mpeg4 too ? */
1164 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1165 if (ist->st->codec->pict_type != B_TYPE) {
1166 int64_t tmp;
1167 tmp = ist->last_ip_pts;
1168 ist->last_ip_pts = ist->frac_pts.val;
1169 ist->frac_pts.val = tmp;
1170 }
1171 }
1172 #endif
1173 /* if output time reached then transcode raw format,
1174 encode packets and output them */
1175 if (start_time == 0 || ist->pts >= start_time)
1176 for(i=0;i<nb_ostreams;i++) {
1177 int frame_size;
1178
1179 ost = ost_table[i];
1180 if (ost->source_index == ist_index) {
1181 os = output_files[ost->file_index];
1182
1183 #if 0
1184 printf("%d: got pts=%0.3f %0.3f\n", i,
1185 (double)pkt->pts / AV_TIME_BASE,
1186 ((double)ist->pts / AV_TIME_BASE) -
1187 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1188 #endif
1189 /* set the input output pts pairs */
1190 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1191
1192 if (ost->encoding_needed) {
1193 switch(ost->st->codec->codec_type) {
1194 case CODEC_TYPE_AUDIO:
1195 do_audio_out(os, ost, ist, data_buf, data_size);
1196 break;
1197 case CODEC_TYPE_VIDEO:
1198 do_video_out(os, ost, ist, &picture, &frame_size);
1199 video_size += frame_size;
1200 if (do_vstats && frame_size)
1201 do_video_stats(os, ost, frame_size);
1202 break;
1203 case CODEC_TYPE_SUBTITLE:
1204 do_subtitle_out(os, ost, ist, &subtitle,
1205 pkt->pts);
1206 break;
1207 default:
1208 av_abort();
1209 }
1210 } else {
1211 AVFrame avframe; //FIXME/XXX remove this
1212 AVPacket opkt;
1213 av_init_packet(&opkt);
1214
1215 /* no reencoding needed : output the packet directly */
1216 /* force the input stream PTS */
1217
1218 avcodec_get_frame_defaults(&avframe);
1219 ost->st->codec->coded_frame= &avframe;
1220 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1221
1222 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1223 audio_size += data_size;
1224 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1225 video_size += data_size;
1226 ost->sync_opts++;
1227 }
1228
1229 opkt.stream_index= ost->index;
1230 if(pkt->pts != AV_NOPTS_VALUE)
1231 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);
1232 else
1233 opkt.pts= AV_NOPTS_VALUE;
1234
1235 {
1236 int64_t dts;
1237 if (pkt->dts == AV_NOPTS_VALUE)
1238 dts = ist->next_pts;
1239 else
1240 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1241 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1242 }
1243 opkt.flags= pkt->flags;
1244
1245 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1246 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1247 opkt.destruct= av_destruct_packet;
1248
1249 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1250 ost->st->codec->frame_number++;
1251 ost->frame_number++;
1252 av_free_packet(&opkt);
1253 }
1254 }
1255 }
1256 av_free(buffer_to_free);
1257 /* XXX: allocate the subtitles in the codec ? */
1258 if (subtitle_to_free) {
1259 if (subtitle_to_free->rects != NULL) {
1260 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1261 av_free(subtitle_to_free->rects[i].bitmap);
1262 av_free(subtitle_to_free->rects[i].rgba_palette);
1263 }
1264 av_freep(&subtitle_to_free->rects);
1265 }
1266 subtitle_to_free->num_rects = 0;
1267 subtitle_to_free = NULL;
1268 }
1269 }
1270 discard_packet:
1271 if (pkt == NULL) {
1272 /* EOF handling */
1273
1274 for(i=0;i<nb_ostreams;i++) {
1275 ost = ost_table[i];
1276 if (ost->source_index == ist_index) {
1277 AVCodecContext *enc= ost->st->codec;
1278 os = output_files[ost->file_index];
1279
1280 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281 continue;
1282 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1283 continue;
1284
1285 if (ost->encoding_needed) {
1286 for(;;) {
1287 AVPacket pkt;
1288 int fifo_bytes;
1289 av_init_packet(&pkt);
1290 pkt.stream_index= ost->index;
1291
1292 switch(ost->st->codec->codec_type) {
1293 case CODEC_TYPE_AUDIO:
1294 fifo_bytes = av_fifo_size(&ost->fifo);
1295 ret = 0;
1296 /* encode any samples remaining in fifo */
1297 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1298 int fs_tmp = enc->frame_size;
1299 enc->frame_size = fifo_bytes / (2 * enc->channels);
1300 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1301 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302 }
1303 enc->frame_size = fs_tmp;
1304 }
1305 if(ret <= 0) {
1306 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1307 }
1308 audio_size += ret;
1309 pkt.flags |= PKT_FLAG_KEY;
1310 break;
1311 case CODEC_TYPE_VIDEO:
1312 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313 video_size += ret;
1314 if(enc->coded_frame && enc->coded_frame->key_frame)
1315 pkt.flags |= PKT_FLAG_KEY;
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1318 }
1319 break;
1320 default:
1321 ret=-1;
1322 }
1323
1324 if(ret<=0)
1325 break;
1326 pkt.data= bit_buffer;
1327 pkt.size= ret;
1328 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1329 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1330 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1331 }
1332 }
1333 }
1334 }
1335 }
1336
1337 return 0;
1338 fail_decode:
1339 return -1;
1340 }
1341
1342
1343 /*
1344 * The following code is the main loop of the file converter
1345 */
1346 static int av_encode(AVFormatContext **output_files,
1347 int nb_output_files,
1348 AVFormatContext **input_files,
1349 int nb_input_files,
1350 AVStreamMap *stream_maps, int nb_stream_maps)
1351 {
1352 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1353 AVFormatContext *is, *os;
1354 AVCodecContext *codec, *icodec;
1355 AVOutputStream *ost, **ost_table = NULL;
1356 AVInputStream *ist, **ist_table = NULL;
1357 AVInputFile *file_table;
1358 AVFormatContext *stream_no_data;
1359 int key;
1360
1361 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1362 if (!file_table)
1363 goto fail;
1364
1365 /* input stream init */
1366 j = 0;
1367 for(i=0;i<nb_input_files;i++) {
1368 is = input_files[i];
1369 file_table[i].ist_index = j;
1370 file_table[i].nb_streams = is->nb_streams;
1371 j += is->nb_streams;
1372 }
1373 nb_istreams = j;
1374
1375 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1376 if (!ist_table)
1377 goto fail;
1378
1379 for(i=0;i<nb_istreams;i++) {
1380 ist = av_mallocz(sizeof(AVInputStream));
1381 if (!ist)
1382 goto fail;
1383 ist_table[i] = ist;
1384 }
1385 j = 0;
1386 for(i=0;i<nb_input_files;i++) {
1387 is = input_files[i];
1388 for(k=0;k<is->nb_streams;k++) {
1389 ist = ist_table[j++];
1390 ist->st = is->streams[k];
1391 ist->file_index = i;
1392 ist->index = k;
1393 ist->discard = 1; /* the stream is discarded by default
1394 (changed later) */
1395
1396 if (ist->st->codec->rate_emu) {
1397 ist->start = av_gettime();
1398 ist->frame = 0;
1399 }
1400 }
1401 }
1402
1403 /* output stream init */
1404 nb_ostreams = 0;
1405 for(i=0;i<nb_output_files;i++) {
1406 os = output_files[i];
1407 if (!os->nb_streams) {
1408 fprintf(stderr, "Output file does not contain any stream\n");
1409 exit(1);
1410 }
1411 nb_ostreams += os->nb_streams;
1412 }
1413 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1414 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1415 exit(1);
1416 }
1417
1418 /* Sanity check the mapping args -- do the input files & streams exist? */
1419 for(i=0;i<nb_stream_maps;i++) {
1420 int fi = stream_maps[i].file_index;
1421 int si = stream_maps[i].stream_index;
1422
1423 if (fi < 0 || fi > nb_input_files - 1 ||
1424 si < 0 || si > file_table[fi].nb_streams - 1) {
1425 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1426 exit(1);
1427 }
1428 fi = stream_maps[i].sync_file_index;
1429 si = stream_maps[i].sync_stream_index;
1430 if (fi < 0 || fi > nb_input_files - 1 ||
1431 si < 0 || si > file_table[fi].nb_streams - 1) {
1432 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1433 exit(1);
1434 }
1435 }
1436
1437 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1438 if (!ost_table)
1439 goto fail;
1440 for(i=0;i<nb_ostreams;i++) {
1441 ost = av_mallocz(sizeof(AVOutputStream));
1442 if (!ost)
1443 goto fail;
1444 ost_table[i] = ost;
1445 }
1446
1447 n = 0;
1448 for(k=0;k<nb_output_files;k++) {
1449 os = output_files[k];
1450 for(i=0;i<os->nb_streams;i++) {
1451 int found;
1452 ost = ost_table[n++];
1453 ost->file_index = k;
1454 ost->index = i;
1455 ost->st = os->streams[i];
1456 if (nb_stream_maps > 0) {
1457 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1458 stream_maps[n-1].stream_index;
1459
1460 /* Sanity check that the stream types match */
1461 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1462 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1463 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1464 ost->file_index, ost->index);
1465 exit(1);
1466 }
1467
1468 } else {
1469 /* get corresponding input stream index : we select the first one with the right type */
1470 found = 0;
1471 for(j=0;j<nb_istreams;j++) {
1472 ist = ist_table[j];
1473 if (ist->discard &&
1474 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1475 ost->source_index = j;
1476 found = 1;
1477 break;
1478 }
1479 }
1480
1481 if (!found) {
1482 /* try again and reuse existing stream */
1483 for(j=0;j<nb_istreams;j++) {
1484 ist = ist_table[j];
1485 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1486 ost->source_index = j;
1487 found = 1;
1488 }
1489 }
1490 if (!found) {
1491 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1492 ost->file_index, ost->index);
1493 exit(1);
1494 }
1495 }
1496 }
1497 ist = ist_table[ost->source_index];
1498 ist->discard = 0;
1499 ost->sync_ist = (nb_stream_maps > 0) ?
1500 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1501 stream_maps[n-1].sync_stream_index] : ist;
1502 }
1503 }
1504
1505 /* for each output stream, we compute the right encoding parameters */
1506 for(i=0;i<nb_ostreams;i++) {
1507 ost = ost_table[i];
1508 ist = ist_table[ost->source_index];
1509
1510 codec = ost->st->codec;
1511 icodec = ist->st->codec;
1512
1513 if (ost->st->stream_copy) {
1514 /* if stream_copy is selected, no need to decode or encode */
1515 codec->codec_id = icodec->codec_id;
1516 codec->codec_type = icodec->codec_type;
1517 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1518 codec->bit_rate = icodec->bit_rate;
1519 codec->extradata= icodec->extradata;
1520 codec->extradata_size= icodec->extradata_size;
1521 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1522 codec->time_base = icodec->time_base;
1523 else
1524 codec->time_base = ist->st->time_base;
1525 switch(codec->codec_type) {
1526 case CODEC_TYPE_AUDIO:
1527 codec->sample_rate = icodec->sample_rate;
1528 codec->channels = icodec->channels;
1529 codec->frame_size = icodec->frame_size;
1530 codec->block_align= icodec->block_align;
1531 break;
1532 case CODEC_TYPE_VIDEO:
1533 if(using_vhook) {
1534 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1535 exit(1);
1536 }
1537 codec->pix_fmt = icodec->pix_fmt;
1538 codec->width = icodec->width;
1539 codec->height = icodec->height;
1540 codec->has_b_frames = icodec->has_b_frames;
1541 break;
1542 case CODEC_TYPE_SUBTITLE:
1543 break;
1544 default:
1545 av_abort();
1546 }
1547 } else {
1548 switch(codec->codec_type) {
1549 case CODEC_TYPE_AUDIO:
1550 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1551 goto fail;
1552
1553 if (codec->channels == icodec->channels &&
1554 codec->sample_rate == icodec->sample_rate) {
1555 ost->audio_resample = 0;
1556 } else {
1557 if (codec->channels != icodec->channels &&
1558 (icodec->codec_id == CODEC_ID_AC3 ||
1559 icodec->codec_id == CODEC_ID_DTS)) {
1560 /* Special case for 5:1 AC3 and DTS input */
1561 /* and mono or stereo output */
1562 /* Request specific number of channels */
1563 icodec->channels = codec->channels;
1564 if (codec->sample_rate == icodec->sample_rate)
1565 ost->audio_resample = 0;
1566 else {
1567 ost->audio_resample = 1;
1568 }
1569 } else {
1570 ost->audio_resample = 1;
1571 }
1572 }
1573 if(audio_sync_method>1)
1574 ost->audio_resample = 1;
1575
1576 if(ost->audio_resample){
1577 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1578 codec->sample_rate, icodec->sample_rate);
1579 if(!ost->resample){
1580 printf("Can't resample. Aborting.\n");
1581 av_abort();
1582 }
1583 }
1584 ist->decoding_needed = 1;
1585 ost->encoding_needed = 1;
1586 break;
1587 case CODEC_TYPE_VIDEO:
1588 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1589 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1590 ost->video_resample = ((codec->width != icodec->width -
1591 (frame_leftBand + frame_rightBand) +
1592 (frame_padleft + frame_padright)) ||
1593 (codec->height != icodec->height -
1594 (frame_topBand + frame_bottomBand) +
1595 (frame_padtop + frame_padbottom)) ||
1596 (codec->pix_fmt != icodec->pix_fmt));
1597 if (ost->video_crop) {
1598 ost->topBand = frame_topBand;
1599 ost->leftBand = frame_leftBand;
1600 }
1601 if (ost->video_pad) {
1602 ost->padtop = frame_padtop;
1603 ost->padleft = frame_padleft;
1604 ost->padbottom = frame_padbottom;
1605 ost->padright = frame_padright;
1606 if (!ost->video_resample) {
1607 avcodec_get_frame_defaults(&ost->pict_tmp);
1608 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1609 codec->width, codec->height ) )
1610 goto fail;
1611 }
1612 }
1613 if (ost->video_resample) {
1614 avcodec_get_frame_defaults(&ost->pict_tmp);
1615 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1616 codec->width, codec->height ) )
1617 exit(1);
1618
1619 ost->img_resample_ctx = sws_getContext(
1620 icodec->width - (frame_leftBand + frame_rightBand),
1621 icodec->height - (frame_topBand + frame_bottomBand),
1622 icodec->pix_fmt,
1623 codec->width - (frame_padleft + frame_padright),
1624 codec->height - (frame_padtop + frame_padbottom),
1625 codec->pix_fmt,
1626 sws_flags, NULL, NULL, NULL);
1627 if (ost->img_resample_ctx == NULL) {
1628 fprintf(stderr, "Cannot get resampling context\n");
1629 exit(1);
1630 }
1631 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1632 }
1633 ost->encoding_needed = 1;
1634 ist->decoding_needed = 1;
1635 break;
1636 case CODEC_TYPE_SUBTITLE:
1637 ost->encoding_needed = 1;
1638 ist->decoding_needed = 1;
1639 break;
1640 default:
1641 av_abort();
1642 break;
1643 }
1644 /* two pass mode */
1645 if (ost->encoding_needed &&
1646 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1647 char logfilename[1024];
1648 FILE *f;
1649 int size;
1650 char *logbuffer;
1651
1652 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1653 pass_logfilename ?
1654 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1655 if (codec->flags & CODEC_FLAG_PASS1) {
1656 f = fopen(logfilename, "w");
1657 if (!f) {
1658 perror(logfilename);
1659 exit(1);
1660 }
1661 ost->logfile = f;
1662 } else {
1663 /* read the log file */
1664 f = fopen(logfilename, "r");
1665 if (!f) {
1666 perror(logfilename);
1667 exit(1);
1668 }
1669 fseek(f, 0, SEEK_END);
1670 size = ftell(f);
1671 fseek(f, 0, SEEK_SET);
1672 logbuffer = av_malloc(size + 1);
1673 if (!logbuffer) {
1674 fprintf(stderr, "Could not allocate log buffer\n");
1675 exit(1);
1676 }
1677 size = fread(logbuffer, 1, size, f);
1678 fclose(f);
1679 logbuffer[size] = '\0';
1680 codec->stats_in = logbuffer;
1681 }
1682 }
1683 }
1684 if(codec->codec_type == CODEC_TYPE_VIDEO){
1685 int size= codec->width * codec->height;
1686 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1687 }
1688 }
1689
1690 if (!bit_buffer)
1691 bit_buffer = av_malloc(bit_buffer_size);
1692 if (!bit_buffer)
1693 goto fail;
1694
1695 /* dump the file output parameters - cannot be done before in case
1696 of stream copy */
1697 for(i=0;i<nb_output_files;i++) {
1698 dump_format(output_files[i], i, output_files[i]->filename, 1);
1699 }
1700
1701 /* dump the stream mapping */
1702 if (verbose >= 0) {
1703 fprintf(stderr, "Stream mapping:\n");
1704 for(i=0;i<nb_ostreams;i++) {
1705 ost = ost_table[i];
1706 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1707 ist_table[ost->source_index]->file_index,
1708 ist_table[ost->source_index]->index,
1709 ost->file_index,
1710 ost->index);
1711 if (ost->sync_ist != ist_table[ost->source_index])
1712 fprintf(stderr, " [sync #%d.%d]",
1713 ost->sync_ist->file_index,
1714 ost->sync_ist->index);
1715 fprintf(stderr, "\n");
1716 }
1717 }
1718
1719 /* open each encoder */
1720 for(i=0;i<nb_ostreams;i++) {
1721 ost = ost_table[i];
1722 if (ost->encoding_needed) {
1723 AVCodec *codec;
1724 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1725 if (!codec) {
1726 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1727 ost->file_index, ost->index);
1728 exit(1);
1729 }
1730 if (avcodec_open(ost->st->codec, codec) < 0) {
1731 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1732 ost->file_index, ost->index);
1733 exit(1);
1734 }
1735 extra_size += ost->st->codec->extradata_size;
1736 }
1737 }
1738
1739 /* open each decoder */
1740 for(i=0;i<nb_istreams;i++) {
1741 ist = ist_table[i];
1742 if (ist->decoding_needed) {
1743 AVCodec *codec;
1744 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1745 if (!codec) {
1746 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1747 ist->st->codec->codec_id, ist->file_index, ist->index);
1748 exit(1);
1749 }
1750 if (avcodec_open(ist->st->codec, codec) < 0) {
1751 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1752 ist->file_index, ist->index);
1753 exit(1);
1754 }
1755 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1756 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1757 }
1758 }
1759
1760 /* init pts */
1761 for(i=0;i<nb_istreams;i++) {
1762 ist = ist_table[i];
1763 is = input_files[ist->file_index];
1764 ist->pts = 0;
1765 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1766 if(ist->st->start_time == AV_NOPTS_VALUE)
1767 ist->next_pts=0;
1768 if(input_files_ts_offset[ist->file_index])
1769 ist->next_pts= AV_NOPTS_VALUE;
1770 ist->is_start = 1;
1771 }
1772
1773 /* compute buffer size max (should use a complete heuristic) */
1774 for(i=0;i<nb_input_files;i++) {
1775 file_table[i].buffer_size_max = 2048;
1776 }
1777
1778 /* set meta data information from input file if required */
1779 for (i=0;i<nb_meta_data_maps;i++) {
1780 AVFormatContext *out_file;
1781 AVFormatContext *in_file;
1782
1783 int out_file_index = meta_data_maps[i].out_file;
1784 int in_file_index = meta_data_maps[i].in_file;
1785 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1786 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1787 ret = AVERROR(EINVAL);
1788 goto fail;
1789 }
1790 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1791 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1792 ret = AVERROR(EINVAL);
1793 goto fail;
1794 }
1795
1796 out_file = output_files[out_file_index];
1797 in_file = input_files[in_file_index];
1798
1799 strcpy(out_file->title, in_file->title);
1800 strcpy(out_file->author, in_file->author);
1801 strcpy(out_file->copyright, in_file->copyright);
1802 strcpy(out_file->comment, in_file->comment);
1803 strcpy(out_file->album, in_file->album);
1804 out_file->year = in_file->year;
1805 out_file->track = in_file->track;
1806 strcpy(out_file->genre, in_file->genre);
1807 }
1808
1809 /* open files and write file headers */
1810 for(i=0;i<nb_output_files;i++) {
1811 os = output_files[i];
1812 if (av_write_header(os) < 0) {
1813 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1814 ret = AVERROR(EINVAL);
1815 goto fail;
1816 }
1817 }
1818
1819 if ( !using_stdin && verbose >= 0) {
1820 fprintf(stderr, "Press [q] to stop encoding\n");
1821 url_set_interrupt_cb(decode_interrupt_cb);
1822 }
1823 term_init();
1824
1825 stream_no_data = 0;
1826 key = -1;
1827
1828 for(; received_sigterm == 0;) {
1829 int file_index, ist_index;
1830 AVPacket pkt;
1831 double ipts_min;
1832 double opts_min;
1833
1834 redo:
1835 ipts_min= 1e100;
1836 opts_min= 1e100;
1837 /* if 'q' pressed, exits */
1838 if (!using_stdin) {
1839 if (q_pressed)
1840 break;
1841 /* read_key() returns 0 on EOF */
1842 key = read_key();
1843 if (key == 'q')
1844 break;
1845 }
1846
1847 /* select the stream that we must read now by looking at the
1848 smallest output pts */
1849 file_index = -1;
1850 for(i=0;i<nb_ostreams;i++) {
1851 double ipts, opts;
1852 ost = ost_table[i];
1853 os = output_files[ost->file_index];
1854 ist = ist_table[ost->source_index];
1855 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1856 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1857 else
1858 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1859 ipts = (double)ist->pts;
1860 if (!file_table[ist->file_index].eof_reached){
1861 if(ipts < ipts_min) {
1862 ipts_min = ipts;
1863 if(input_sync ) file_index = ist->file_index;
1864 }
1865 if(opts < opts_min) {
1866 opts_min = opts;
1867 if(!input_sync) file_index = ist->file_index;
1868 }
1869 }
1870 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1871 file_index= -1;
1872 break;
1873 }
1874 }
1875 /* if none, if is finished */
1876 if (file_index < 0) {
1877 break;
1878 }
1879
1880 /* finish if recording time exhausted */
1881 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1882 break;
1883
1884 /* finish if limit size exhausted */
1885 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1886 break;
1887
1888 /* read a frame from it and output it in the fifo */
1889 is = input_files[file_index];
1890 if (av_read_frame(is, &pkt) < 0) {
1891 file_table[file_index].eof_reached = 1;
1892 if (opt_shortest) break; else continue; //
1893 }
1894
1895 if (!pkt.size) {
1896 stream_no_data = is;
1897 } else {
1898 stream_no_data = 0;
1899 }
1900 if (do_pkt_dump) {
1901 av_pkt_dump(stdout, &pkt, do_hex_dump);
1902 }
1903 /* the following test is needed in case new streams appear
1904 dynamically in stream : we ignore them */
1905 if (pkt.stream_index >= file_table[file_index].nb_streams)
1906 goto discard_packet;
1907 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1908 ist = ist_table[ist_index];
1909 if (ist->discard)
1910 goto discard_packet;
1911
1912 // 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);
1913 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1914 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1915 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1916 input_files_ts_offset[ist->file_index]-= delta;
1917 if (verbose > 2)
1918 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1919 for(i=0; i<file_table[file_index].nb_streams; i++){
1920 int index= file_table[file_index].ist_index + i;
1921 ist_table[index]->next_pts += delta;
1922 ist_table[index]->is_start=1;
1923 }
1924 }
1925 }
1926
1927 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1928 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1929
1930 if (verbose >= 0)
1931 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1932 ist->file_index, ist->index);
1933
1934 av_free_packet(&pkt);
1935 goto redo;
1936 }
1937
1938 discard_packet:
1939 av_free_packet(&pkt);
1940
1941 /* dump report by using the output first video and audio streams */
1942 print_report(output_files, ost_table, nb_ostreams, 0);
1943 }
1944
1945 /* at the end of stream, we must flush the decoder buffers */
1946 for(i=0;i<nb_istreams;i++) {
1947 ist = ist_table[i];
1948 if (ist->decoding_needed) {
1949 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1950 }
1951 }
1952
1953 term_exit();
1954
1955 /* write the trailer if needed and close file */
1956 for(i=0;i<nb_output_files;i++) {
1957 os = output_files[i];
1958 av_write_trailer(os);
1959 }
1960
1961 /* dump report by using the first video and audio streams */
1962 print_report(output_files, ost_table, nb_ostreams, 1);
1963
1964 /* close each encoder */
1965 for(i=0;i<nb_ostreams;i++) {
1966 ost = ost_table[i];
1967 if (ost->encoding_needed) {
1968 av_freep(&ost->st->codec->stats_in);
1969 avcodec_close(ost->st->codec);
1970 }
1971 }
1972
1973 /* close each decoder */
1974 for(i=0;i<nb_istreams;i++) {
1975 ist = ist_table[i];
1976 if (ist->decoding_needed) {
1977 avcodec_close(ist->st->codec);
1978 }
1979 }
1980
1981 /* finished ! */
1982
1983 ret = 0;
1984 fail1:
1985 av_freep(&bit_buffer);
1986 av_free(file_table);
1987
1988 if (ist_table) {
1989 for(i=0;i<nb_istreams;i++) {
1990 ist = ist_table[i];
1991 av_free(ist);
1992 }
1993 av_free(ist_table);
1994 }
1995 if (ost_table) {
1996 for(i=0;i<nb_ostreams;i++) {
1997 ost = ost_table[i];
1998 if (ost) {
1999 if (ost->logfile) {
2000 fclose(ost->logfile);
2001 ost->logfile = NULL;
2002 }
2003 av_fifo_free(&ost->fifo); /* works even if fifo is not
2004 initialized but set to zero */
2005 av_free(ost->pict_tmp.data[0]);
2006 if (ost->video_resample)
2007 sws_freeContext(ost->img_resample_ctx);
2008 if (ost->audio_resample)
2009 audio_resample_close(ost->resample);
2010 av_free(ost);
2011 }
2012 }
2013 av_free(ost_table);
2014 }
2015 return ret;
2016 fail:
2017 ret = AVERROR(ENOMEM);
2018 goto fail1;
2019 }
2020
2021 #if 0
2022 int file_read(const char *filename)
2023 {
2024 URLContext *h;
2025 unsigned char buffer[1024];
2026 int len, i;
2027
2028 if (url_open(&h, filename, O_RDONLY) < 0) {
2029 printf("could not open '%s'\n", filename);
2030 return -1;
2031 }
2032 for(;;) {
2033 len = url_read(h, buffer, sizeof(buffer));
2034 if (len <= 0)
2035 break;
2036 for(i=0;i<len;i++) putchar(buffer[i]);
2037 }
2038 url_close(h);
2039 return 0;
2040 }
2041 #endif
2042
2043 static void opt_format(const char *arg)
2044 {
2045 /* compatibility stuff for pgmyuv */
2046 if (!strcmp(arg, "pgmyuv")) {
2047 pgmyuv_compatibility_hack=1;
2048 // opt_image_format(arg);
2049 arg = "image2";
2050 }
2051
2052 file_iformat = av_find_input_format(arg);
2053 file_oformat = guess_format(arg, NULL, NULL);
2054 if (!file_iformat && !file_oformat) {
2055 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2056 exit(1);
2057 }
2058 }
2059
2060 static void opt_video_rc_eq(char *arg)
2061 {
2062 video_rc_eq = arg;
2063 }
2064
2065 static void opt_video_rc_override_string(char *arg)
2066 {
2067 video_rc_override_string = arg;
2068 }
2069
2070 static void opt_me_threshold(const char *arg)
2071 {
2072 me_threshold = atoi(arg);
2073 }
2074
2075 static void opt_verbose(const char *arg)
2076 {
2077 verbose = atoi(arg);
2078 av_log_level = atoi(arg);
2079 }
2080
2081 static void opt_frame_rate(const char *arg)
2082 {
2083 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2084 fprintf(stderr, "Incorrect frame rate\n");
2085 exit(1);
2086 }
2087 }
2088
2089 static void opt_frame_crop_top(const char *arg)
2090 {
2091 frame_topBand = atoi(arg);
2092 if (frame_topBand < 0) {
2093 fprintf(stderr, "Incorrect top crop size\n");
2094 exit(1);
2095 }
2096 if ((frame_topBand % 2) != 0) {
2097 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2098 exit(1);
2099 }
2100 if ((frame_topBand) >= frame_height){
2101 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2102 exit(1);
2103 }
2104 frame_height -= frame_topBand;
2105 }
2106
2107 static void opt_frame_crop_bottom(const char *arg)
2108 {
2109 frame_bottomBand = atoi(arg);
2110 if (frame_bottomBand < 0) {
2111 fprintf(stderr, "Incorrect bottom crop size\n");
2112 exit(1);
2113 }
2114 if ((frame_bottomBand % 2) != 0) {
2115 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2116 exit(1);
2117 }
2118 if ((frame_bottomBand) >= frame_height){
2119 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2120 exit(1);
2121 }
2122 frame_height -= frame_bottomBand;
2123 }
2124
2125 static void opt_frame_crop_left(const char *arg)
2126 {
2127 frame_leftBand = atoi(arg);
2128 if (frame_leftBand < 0) {
2129 fprintf(stderr, "Incorrect left crop size\n");
2130 exit(1);
2131 }
2132 if ((frame_leftBand % 2) != 0) {
2133 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2134 exit(1);
2135 }
2136 if ((frame_leftBand) >= frame_width){
2137 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2138 exit(1);
2139 }
2140 frame_width -= frame_leftBand;
2141 }
2142
2143 static void opt_frame_crop_right(const char *arg)
2144 {
2145 frame_rightBand = atoi(arg);
2146 if (frame_rightBand < 0) {
2147 fprintf(stderr, "Incorrect right crop size\n");
2148 exit(1);
2149 }
2150 if ((frame_rightBand % 2) != 0) {
2151 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2152 exit(1);
2153 }
2154 if ((frame_rightBand) >= frame_width){
2155 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2156 exit(1);
2157 }
2158 frame_width -= frame_rightBand;
2159 }
2160
2161 static void opt_frame_size(const char *arg)
2162 {
2163 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2164 fprintf(stderr, "Incorrect frame size\n");
2165 exit(1);
2166 }
2167 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2168 fprintf(stderr, "Frame size must be a multiple of 2\n");
2169 exit(1);
2170 }
2171 }
2172
2173
2174 #define SCALEBITS 10
2175 #define ONE_HALF (1 << (SCALEBITS - 1))
2176 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2177
2178 #define RGB_TO_Y(r, g, b) \
2179 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2180 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2181
2182 #define RGB_TO_U(r1, g1, b1, shift)\
2183 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2184 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2185
2186 #define RGB_TO_V(r1, g1, b1, shift)\
2187 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2188 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2189
2190 static void opt_pad_color(const char *arg) {
2191 /* Input is expected to be six hex digits similar to
2192 how colors are expressed in html tags (but without the #) */
2193 int rgb = strtol(arg, NULL, 16);
2194 int r,g,b;
2195
2196 r = (rgb >> 16);
2197 g = ((rgb >> 8) & 255);
2198 b = (rgb & 255);
2199
2200 padcolor[0] = RGB_TO_Y(r,g,b);
2201 padcolor[1] = RGB_TO_U(r,g,b,0);
2202 padcolor[2] = RGB_TO_V(r,g,b,0);
2203 }
2204
2205 static void opt_frame_pad_top(const char *arg)
2206 {
2207 frame_padtop = atoi(arg);
2208 if (frame_padtop < 0) {
2209 fprintf(stderr, "Incorrect top pad size\n");
2210 exit(1);
2211 }
2212 if ((frame_padtop % 2) != 0) {
2213 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2214 exit(1);
2215 }
2216 }
2217
2218 static void opt_frame_pad_bottom(const char *arg)
2219 {
2220 frame_padbottom = atoi(arg);
2221 if (frame_padbottom < 0) {
2222 fprintf(stderr, "Incorrect bottom pad size\n");
2223 exit(1);
2224 }
2225 if ((frame_padbottom % 2) != 0) {
2226 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2227 exit(1);
2228 }
2229 }
2230
2231
2232 static void opt_frame_pad_left(const char *arg)
2233 {
2234 frame_padleft = atoi(arg);
2235 if (frame_padleft < 0) {
2236 fprintf(stderr, "Incorrect left pad size\n");
2237 exit(1);
2238 }
2239 if ((frame_padleft % 2) != 0) {
2240 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2241 exit(1);
2242 }
2243 }
2244
2245
2246 static void opt_frame_pad_right(const char *arg)
2247 {
2248 frame_padright = atoi(arg);
2249 if (frame_padright < 0) {
2250 fprintf(stderr, "Incorrect right pad size\n");
2251 exit(1);
2252 }
2253 if ((frame_padright % 2) != 0) {
2254 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2255 exit(1);
2256 }
2257 }
2258
2259
2260 static void opt_frame_pix_fmt(const char *arg)
2261 {
2262 frame_pix_fmt = avcodec_get_pix_fmt(arg);
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_packet_size(const char *arg)
2309 {
2310 packet_size= atoi(arg);
2311 }
2312
2313 static void opt_strict(const char *arg)
2314 {
2315 strict= atoi(arg);
2316 }
2317
2318 static void opt_top_field_first(const char *arg)
2319 {
2320 top_field_first= atoi(arg);
2321 }
2322
2323 static void opt_thread_count(const char *arg)
2324 {
2325 thread_count= atoi(arg);
2326 #if !defined(HAVE_THREADS)
2327 if (verbose >= 0)
2328 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2329 #endif
2330 }
2331
2332 static void opt_audio_bitrate(const char *arg)
2333 {
2334 audio_bit_rate = atoi(arg) * 1000;
2335 }
2336
2337 static void opt_audio_rate(const char *arg)
2338 {
2339 audio_sample_rate = atoi(arg);
2340 }
2341
2342 static void opt_audio_channels(const char *arg)
2343 {
2344 audio_channels = atoi(arg);
2345 }
2346
2347 static void opt_video_channel(const char *arg)
2348 {
2349 video_channel = strtol(arg, NULL, 0);
2350 }
2351
2352 static void opt_video_standard(const char *arg)
2353 {
2354 video_standard = av_strdup(arg);
2355 }
2356
2357 static void opt_codec(int *pstream_copy, int *pcodec_id,
2358 int codec_type, const char *arg)
2359 {
2360 AVCodec *p;
2361
2362 if (!strcmp(arg, "copy")) {
2363 *pstream_copy = 1;
2364 } else {
2365 p = first_avcodec;
2366 while (p) {
2367 if (!strcmp(p->name, arg) && p->type == codec_type)
2368 break;
2369 p = p->next;
2370 }
2371 if (p == NULL) {
2372 fprintf(stderr, "Unknown codec '%s'\n", arg);
2373 exit(1);
2374 } else {
2375 *pcodec_id = p->id;
2376 }
2377 }
2378 }
2379
2380 static void opt_audio_codec(const char *arg)
2381 {
2382 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2383 }
2384
2385 static void opt_audio_tag(const char *arg)
2386 {
2387 char *tail;
2388 audio_codec_tag= strtol(arg, &tail, 0);
2389
2390 if(!tail || *tail)
2391 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2392 }
2393
2394 static void opt_video_tag(const char *arg)
2395 {
2396 char *tail;
2397 video_codec_tag= strtol(arg, &tail, 0);
2398
2399 if(!tail || *tail)
2400 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2401 }
2402
2403 static void add_frame_hooker(const char *arg)
2404 {
2405 int argc = 0;
2406 char *argv[64];
2407 int i;
2408 char *args = av_strdup(arg);
2409
2410 using_vhook = 1;
2411
2412 argv[0] = strtok(args, " ");
2413 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2414 }
2415
2416 i = frame_hook_add(argc, argv);
2417
2418 if (i != 0) {
2419 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2420 exit(1);
2421 }
2422 }
2423
2424 const char *motion_str[] = {
2425 "zero",
2426 "full",
2427 "log",
2428 "phods",
2429 "epzs",
2430 "x1",
2431 "hex",
2432 "umh",
2433 "iter",
2434 NULL,
2435 };
2436
2437 static void opt_motion_estimation(const char *arg)
2438 {
2439 const char **p;
2440 p = motion_str;
2441 for(;;) {
2442 if (!*p) {
2443 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2444 exit(1);
2445 }
2446 if (!strcmp(*p, arg))
2447 break;
2448 p++;
2449 }
2450 me_method = (p - motion_str) + 1;
2451 }
2452
2453 static void opt_video_codec(const char *arg)
2454 {
2455 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2456 }
2457
2458 static void opt_subtitle_codec(const char *arg)
2459 {
2460 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2461 }
2462
2463 static void opt_map(const char *arg)
2464 {
2465 AVStreamMap *m;
2466 const char *p;
2467
2468 p = arg;
2469 m = &stream_maps[nb_stream_maps++];
2470
2471 m->file_index = strtol(arg, (char **)&p, 0);
2472 if (*p)
2473 p++;
2474
2475 m->stream_index = strtol(p, (char **)&p, 0);
2476 if (*p) {
2477 p++;
2478 m->sync_file_index = strtol(p, (char **)&p, 0);
2479 if (*p)
2480 p++;
2481 m->sync_stream_index = strtol(p, (char **)&p, 0);
2482 } else {
2483 m->sync_file_index = m->file_index;
2484 m->sync_stream_index = m->stream_index;
2485 }
2486 }
2487
2488 static void opt_map_meta_data(const char *arg)
2489 {
2490 AVMetaDataMap *m;
2491 const char *p;
2492
2493 p = arg;
2494 m = &meta_data_maps[nb_meta_data_maps++];
2495
2496 m->out_file = strtol(arg, (char **)&p, 0);
2497 if (*p)
2498 p++;
2499
2500 m->in_file = strtol(p, (char **)&p, 0);
2501 }
2502
2503 static void opt_recording_time(const char *arg)
2504 {
2505 recording_time = parse_date(arg, 1);
2506 }
2507
2508 static void opt_start_time(const char *arg)
2509 {
2510 start_time = parse_date(arg, 1);
2511 }
2512
2513 static void opt_rec_timestamp(const char *arg)
2514 {
2515 rec_timestamp = parse_date(arg, 0) / 1000000;
2516 }
2517
2518 static void opt_input_ts_offset(const char *arg)
2519 {
2520 input_ts_offset = parse_date(arg, 1);
2521 }
2522
2523 static void opt_input_file(const char *filename)
2524 {
2525 AVFormatContext *ic;
2526 AVFormatParameters params, *ap = &params;
2527 int err, i, ret, rfps, rfps_base;
2528 int64_t timestamp;
2529
2530 if (!strcmp(filename, "-"))
2531 filename = "pipe:";
2532
2533 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2534 !strcmp( filename, "/dev/stdin" );
2535
2536 /* get default parameters from command line */
2537 ic = av_alloc_format_context();
2538
2539 memset(ap, 0, sizeof(*ap));
2540 ap->prealloced_context = 1;
2541 ap->sample_rate = audio_sample_rate;
2542 ap->channels = audio_channels;
2543 ap->time_base.den = frame_rate;
2544 ap->time_base.num = frame_rate_base;
2545 ap->width = frame_width + frame_padleft + frame_padright;
2546 ap->height = frame_height + frame_padtop + frame_padbottom;
2547 ap->pix_fmt = frame_pix_fmt;
2548 ap->channel = video_channel;
2549 ap->standard = video_standard;
2550 ap->video_codec_id = video_codec_id;
2551 ap->audio_codec_id = audio_codec_id;
2552 if(pgmyuv_compatibility_hack)
2553 ap->video_codec_id= CODEC_ID_PGMYUV;
2554
2555 for(i=0; i<opt_name_count; i++){
2556 const AVOption *opt;
2557 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2558 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2559 av_set_double(ic, opt_names[i], d);
2560 }
2561 /* open the input file with generic libav function */
2562 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2563 if (err < 0) {
2564 print_error(filename, err);
2565 exit(1);
2566 }
2567
2568 ic->loop_input = loop_input;
2569
2570 /* If not enough info to get the stream parameters, we decode the
2571 first frames to get it. (used in mpeg case for example) */
2572 ret = av_find_stream_info(ic);
2573 if (ret < 0 && verbose >= 0) {
2574 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2575 exit(1);
2576 }
2577
2578 timestamp = start_time;
2579 /* add the stream start time */
2580 if (ic->start_time != AV_NOPTS_VALUE)
2581 timestamp += ic->start_time;
2582
2583 /* if seeking requested, we execute it */
2584 if (start_time != 0) {
2585 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2586 if (ret < 0) {
2587 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2588 filename, (double)timestamp / AV_TIME_BASE);
2589 }
2590 /* reset seek info */
2591 start_time = 0;
2592 }
2593
2594 /* update the current parameters so that they match the one of the input stream */
2595 for(i=0;i<ic->nb_streams;i++) {
2596 int j;
2597 AVCodecContext *enc = ic->streams[i]->codec;
2598 #if defined(HAVE_THREADS)
2599 if(thread_count>1)
2600 avcodec_thread_init(enc, thread_count);
2601 #endif
2602 enc->thread_count= thread_count;
2603 switch(enc->codec_type) {
2604 case CODEC_TYPE_AUDIO:
2605 for(j=0; j<opt_name_count; j++){
2606 const AVOption *opt;
2607 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2608 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2609 av_set_double(enc, opt_names[j], d);
2610 }
2611 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2612 audio_channels = enc->channels;
2613 audio_sample_rate = enc->sample_rate;
2614 if(audio_disable)
2615 ic->streams[i]->discard= AVDISCARD_ALL;
2616 break;
2617 case CODEC_TYPE_VIDEO:
2618 for(j=0; j<opt_name_count; j++){
2619 const AVOption *opt;
2620 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2621 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2622 av_set_double(enc, opt_names[j], d);
2623 }
2624 frame_height = enc->height;
2625 frame_width = enc->width;
2626 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2627 frame_pix_fmt = enc->pix_fmt;
2628 rfps = ic->streams[i]->r_frame_rate.num;
2629 rfps_base = ic->streams[i]->r_frame_rate.den;
2630 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2631 if(me_threshold)
2632 enc->debug |= FF_DEBUG_MV;
2633
2634 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2635
2636 if (verbose >= 0)
2637 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2638 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2639
2640 (float)rfps / rfps_base, rfps, rfps_base);
2641 }
2642 /* update the current frame rate to match the stream frame rate */
2643 frame_rate = rfps;
2644 frame_rate_base = rfps_base;
2645
2646 enc->rate_emu = rate_emu;
2647 if(video_disable)
2648 ic->streams[i]->discard= AVDISCARD_ALL;
2649 else if(video_discard)
2650 ic->streams[i]->discard= video_discard;
2651 break;
2652 case CODEC_TYPE_DATA:
2653 break;
2654 case CODEC_TYPE_SUBTITLE:
2655 break;
2656 case CODEC_TYPE_UNKNOWN:
2657 break;
2658 default:
2659 av_abort();
2660 }
2661 }
2662
2663 input_files[nb_input_files] = ic;
2664 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2665 /* dump the file content */
2666 if (verbose >= 0)
2667 dump_format(ic, nb_input_files, filename, 0);
2668
2669 nb_input_files++;
2670 file_iformat = NULL;
2671 file_oformat = NULL;
2672
2673 video_channel = 0;
2674
2675 rate_emu = 0;
2676 }
2677
2678 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2679 {
2680 int has_video, has_audio, i, j;
2681 AVFormatContext *ic;
2682
2683 has_video = 0;
2684 has_audio = 0;
2685 for(j=0;j<nb_input_files;j++) {
2686 ic = input_files[j];
2687 for(i=0;i<ic->nb_streams;i++) {
2688 AVCodecContext *enc = ic->streams[i]->codec;
2689 switch(enc->codec_type) {
2690 case CODEC_TYPE_AUDIO:
2691 has_audio = 1;
2692 break;
2693 case CODEC_TYPE_VIDEO:
2694 has_video = 1;
2695 break;
2696 case CODEC_TYPE_DATA:
2697 case CODEC_TYPE_UNKNOWN:
2698 case CODEC_TYPE_SUBTITLE:
2699 break;
2700 default:
2701 av_abort();
2702 }
2703 }
2704 }
2705 *has_video_ptr = has_video;
2706 *has_audio_ptr = has_audio;
2707 }
2708
2709 static void new_video_stream(AVFormatContext *oc)
2710 {
2711 AVStream *st;
2712 AVCodecContext *video_enc;
2713 int codec_id;
2714
2715 st = av_new_stream(oc, oc->nb_streams);
2716 if (!st) {
2717 fprintf(stderr, "Could not alloc stream\n");
2718 exit(1);
2719 }
2720 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2721 video_bitstream_filters= NULL;
2722
2723 #if defined(HAVE_THREADS)
2724 if(thread_count>1)
2725 avcodec_thread_init(st->codec, thread_count);
2726 #endif
2727
2728 video_enc = st->codec;
2729
2730 if(video_codec_tag)
2731 video_enc->codec_tag= video_codec_tag;
2732
2733 if( (video_global_header&1)
2734 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2735 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2736 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2737 }
2738 if(video_global_header&2){
2739 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2740 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2741 }
2742
2743 if (video_stream_copy) {
2744 st->stream_copy = 1;
2745 video_enc->codec_type = CODEC_TYPE_VIDEO;
2746 } else {
2747 char *p;
2748 int i;
2749 AVCodec *codec;
2750
2751 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2752 if (video_codec_id != CODEC_ID_NONE)
2753 codec_id = video_codec_id;
2754
2755 video_enc->codec_id = codec_id;
2756 codec = avcodec_find_encoder(codec_id);
2757
2758 for(i=0; i<opt_name_count; i++){
2759 const AVOption *opt;
2760 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2761 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2762 av_set_double(video_enc, opt_names[i], d);
2763 }
2764
2765 video_enc->time_base.den = frame_rate;
2766 video_enc->time_base.num = frame_rate_base;
2767 if(codec && codec->supported_framerates){
2768 const AVRational *p= codec->supported_framerates;
2769 AVRational req= (AVRational){frame_rate, frame_rate_base};
2770 const AVRational *best=NULL;
2771 AVRational best_error= (AVRational){INT_MAX, 1};
2772 for(; p->den!=0; p++){
2773 AVRational error= av_sub_q(req, *p);
2774 if(error.num <0) error.num *= -1;
2775 if(av_cmp_q(error, best_error) < 0){
2776 best_error= error;
2777 best= p;
2778 }
2779 }
2780 video_enc->time_base.den= best->num;
2781 video_enc->time_base.num= best->den;
2782 }
2783
2784 video_enc->width = frame_width + frame_padright + frame_padleft;
2785 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2786 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2787 video_enc->pix_fmt = frame_pix_fmt;
2788
2789 if(codec && codec->pix_fmts){
2790 const enum PixelFormat *p= codec->pix_fmts;
2791 for(; *p!=-1; p++){
2792 if(*p == video_enc->pix_fmt)
2793 break;
2794 }
2795 if(*p == -1)
2796 video_enc->pix_fmt = codec->pix_fmts[0];
2797 }
2798
2799 if (intra_only)
2800 video_enc->gop_size = 0;
2801 if (video_qscale || same_quality) {
2802 video_enc->flags |= CODEC_FLAG_QSCALE;
2803 video_enc->global_quality=
2804 st->quality = FF_QP2LAMBDA * video_qscale;
2805 }
2806
2807 if(intra_matrix)
2808 video_enc->intra_matrix = intra_matrix;
2809 if(inter_matrix)
2810 video_enc->inter_matrix = inter_matrix;
2811
2812 video_enc->max_qdiff = video_qdiff;
2813 video_enc->rc_eq = video_rc_eq;
2814 video_enc->thread_count = thread_count;
2815 p= video_rc_override_string;
2816 for(i=0; p; i++){
2817 int start, end, q;
2818 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2819 if(e!=3){
2820 fprintf(stderr, "error parsing rc_override\n");
2821 exit(1);
2822 }
2823 video_enc->rc_override=
2824 av_realloc(video_enc->rc_override,
2825 sizeof(RcOverride)*(i+1));
2826 video_enc->rc_override[i].start_frame= start;
2827 video_enc->rc_override[i].end_frame = end;
2828 if(q>0){
2829 video_enc->rc_override[i].qscale= q;
2830 video_enc->rc_override[i].quality_factor= 1.0;
2831 }
2832 else{
2833 video_enc->rc_override[i].qscale= 0;
2834 video_enc->rc_override[i].quality_factor= -q/100.0;
2835 }
2836 p= strchr(p, '/');
2837 if(p) p++;
2838 }
2839 video_enc->rc_override_count=i;
2840 if (!video_enc->rc_initial_buffer_occupancy)
2841 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2842 video_enc->me_threshold= me_threshold;
2843 video_enc->intra_dc_precision= intra_dc_precision - 8;
2844 video_enc->strict_std_compliance = strict;
2845
2846 if(packet_size){
2847 video_enc->rtp_mode= 1;
2848 video_enc->rtp_payload_size= packet_size;
2849 }
2850
2851 if (do_psnr)
2852 video_enc->flags|= CODEC_FLAG_PSNR;
2853
2854 video_enc->me_method = me_method;
2855
2856 /* two pass mode */
2857 if (do_pass) {
2858 if (do_pass == 1) {
2859 video_enc->flags |= CODEC_FLAG_PASS1;
2860 } else {
2861 video_enc->flags |= CODEC_FLAG_PASS2;
2862 }
2863 }
2864 }
2865
2866 /* reset some key parameters */
2867 video_disable = 0;
2868 video_codec_id = CODEC_ID_NONE;
2869 video_stream_copy = 0;
2870 }
2871
2872 static void new_audio_stream(AVFormatContext *oc)
2873 {
2874 AVStream *st;
2875 AVCodecContext *audio_enc;
2876 int codec_id, i;
2877
2878 st = av_new_stream(oc, oc->nb_streams);
2879 if (!st) {
2880 fprintf(stderr, "Could not alloc stream\n");
2881 exit(1);
2882 }
2883
2884 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2885 audio_bitstream_filters= NULL;
2886
2887 #if defined(HAVE_THREADS)
2888 if(thread_count>1)
2889 avcodec_thread_init(st->codec, thread_count);
2890 #endif
2891
2892 audio_enc = st->codec;
2893 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2894 audio_enc->strict_std_compliance = strict;
2895
2896 if(audio_codec_tag)
2897 audio_enc->codec_tag= audio_codec_tag;
2898
2899 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2900 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2901 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2902 }
2903 if (audio_stream_copy) {
2904 st->stream_copy = 1;
2905 audio_enc->channels = audio_channels;
2906 } else {
2907 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2908
2909 for(i=0; i<opt_name_count; i++){
2910 const AVOption *opt;
2911 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2912 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2913 av_set_double(audio_enc, opt_names[i], d);
2914 }
2915
2916 if (audio_codec_id != CODEC_ID_NONE)
2917 codec_id = audio_codec_id;
2918 audio_enc->codec_id = codec_id;
2919
2920 audio_enc->bit_rate = audio_bit_rate;
2921 if (audio_qscale > QSCALE_NONE) {
2922 audio_enc->flags |= CODEC_FLAG_QSCALE;
2923 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2924 }
2925 audio_enc->thread_count = thread_count;
2926 audio_enc->channels = audio_channels;
2927 }
2928 audio_enc->sample_rate = audio_sample_rate;
2929 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2930 if (audio_language) {
2931 pstrcpy(st->language, sizeof(st->language), audio_language);
2932 av_free(audio_language);
2933 audio_language = NULL;
2934 }
2935
2936 /* reset some key parameters */
2937 audio_disable = 0;
2938 audio_codec_id = CODEC_ID_NONE;
2939 audio_stream_copy = 0;
2940 }
2941
2942 static void opt_new_subtitle_stream(void)
2943 {
2944 AVFormatContext *oc;
2945 AVStream *st;
2946 AVCodecContext *subtitle_enc;
2947 int i;
2948
2949 if (nb_output_files <= 0) {
2950 fprintf(stderr, "At least one output file must be specified\n");
2951 exit(1);
2952 }
2953 oc = output_files[nb_output_files - 1];
2954
2955 st = av_new_stream(oc, oc->nb_streams);
2956 if (!st) {
2957 fprintf(stderr, "Could not alloc stream\n");
2958 exit(1);
2959 }
2960
2961 subtitle_enc = st->codec;
2962 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2963 if (subtitle_stream_copy) {
2964 st->stream_copy = 1;
2965 } else {
2966 for(i=0; i<opt_name_count; i++){
2967 const AVOption *opt;
2968 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2969 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2970 av_set_double(subtitle_enc, opt_names[i], d);
2971 }
2972 subtitle_enc->codec_id = subtitle_codec_id;
2973 }
2974
2975 if (subtitle_language) {
2976 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2977 av_free(subtitle_language);
2978 subtitle_language = NULL;
2979 }
2980
2981 subtitle_codec_id = CODEC_ID_NONE;
2982 subtitle_stream_copy = 0;
2983 }
2984
2985 static void opt_new_audio_stream(void)
2986 {
2987 AVFormatContext *oc;
2988 if (nb_output_files <= 0) {
2989 fprintf(stderr, "At least one output file must be specified\n");
2990 exit(1);
2991 }
2992 oc = output_files[nb_output_files - 1];
2993 new_audio_stream(oc);
2994 }
2995
2996 static void opt_new_video_stream(void)
2997 {
2998 AVFormatContext *oc;
2999 if (nb_output_files <= 0) {
3000 fprintf(stderr, "At least one output file must be specified\n");
3001 exit(1);
3002 }
3003 oc = output_files[nb_output_files - 1];
3004 new_video_stream(oc);
3005 }
3006
3007 static void opt_output_file(const char *filename)
3008 {
3009 AVFormatContext *oc;
3010 int use_video, use_audio, input_has_video, input_has_audio, i;
3011 AVFormatParameters params, *ap = &params;
3012
3013 if (!strcmp(filename, "-"))
3014 filename = "pipe:";
3015
3016 oc = av_alloc_format_context();
3017
3018 if (!file_oformat) {
3019 file_oformat = guess_format(NULL, filename, NULL);
3020 if (!file_oformat) {
3021 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3022 filename);
3023 exit(1);
3024 }
3025 }
3026
3027 oc->oformat = file_oformat;
3028 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3029
3030 if (!strcmp(file_oformat->name, "ffm") &&
3031 strstart(filename, "http:", NULL)) {
3032 /* special case for files sent to ffserver: we get the stream
3033 parameters from ffserver */
3034 if (read_ffserver_streams(oc, filename) < 0) {
3035 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3036 exit(1);
3037 }
3038 } else {
3039 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3040 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3041
3042 /* disable if no corresponding type found and at least one
3043 input file */
3044 if (nb_input_files > 0) {
3045 check_audio_video_inputs(&input_has_video, &input_has_audio);
3046 if (!input_has_video)
3047 use_video = 0;
3048 if (!input_has_audio)
3049 use_audio = 0;
3050 }
3051
3052 /* manual disable */
3053 if (audio_disable) {
3054 use_audio = 0;
3055 }
3056 if (video_disable) {
3057 use_video = 0;
3058 }
3059
3060 if (use_video) {
3061 new_video_stream(oc);
3062 }
3063
3064 if (use_audio) {
3065 new_audio_stream(oc);
3066 }
3067
3068 oc->timestamp = rec_timestamp;
3069
3070 if (str_title)
3071 pstrcpy(oc->title, sizeof(oc->title), str_title);
3072 if (str_author)
3073 pstrcpy(oc->author, sizeof(oc->author), str_author);
3074 if (str_copyright)
3075 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3076 if (str_comment)
3077 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3078 if (str_album)
3079 pstrcpy(oc->album, sizeof(oc->album), str_album);
3080 }
3081
3082 output_files[nb_output_files++] = oc;
3083
3084 /* check filename in case of an image number is expected */
3085 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3086 if (!av_filename_number_test(oc->filename)) {
3087 print_error(oc->filename, AVERROR_NUMEXPECTED);
3088 exit(1);
3089 }
3090 }
3091
3092 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3093 /* test if it already exists to avoid loosing precious files */
3094 if (!file_overwrite &&
3095 (strchr(filename, ':') == NULL ||
3096 strstart(filename, "file:", NULL))) {
3097 if (url_exist(filename)) {
3098 int c;
3099
3100 if ( !using_stdin ) {
3101 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3102 fflush(stderr);
3103 c = getchar();
3104 if (toupper(c) != 'Y') {
3105 fprintf(stderr, "Not overwriting - exiting\n");
3106 exit(1);
3107 }
3108 }
3109 else {
3110 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3111 exit(1);
3112 }
3113 }
3114 }
3115
3116 /* open the file */
3117 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3118 fprintf(stderr, "Could not open '%s'\n", filename);
3119 exit(1);
3120 }
3121 }
3122
3123 memset(ap, 0, sizeof(*ap));
3124 if (av_set_parameters(oc, ap) < 0) {
3125 fprintf(stderr, "%s: Invalid encoding parameters\n",
3126 oc->filename);
3127 exit(1);
3128 }
3129
3130 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3131 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3132 oc->loop_output = loop_output;
3133
3134 for(i=0; i<opt_name_count; i++){
3135 const AVOption *opt;
3136 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3137 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3138 av_set_double(oc, opt_names[i], d);
3139 }
3140
3141 /* reset some options */
3142 file_oformat = NULL;
3143 file_iformat = NULL;
3144 }
3145
3146 /* same option as mencoder */
3147 static void opt_pass(const char *pass_str)
3148 {
3149 int pass;
3150 pass = atoi(pass_str);
3151 if (pass != 1 && pass != 2) {
3152 fprintf(stderr, "pass number can be only 1 or 2\n");
3153 exit(1);
3154 }
3155 do_pass = pass;
3156 }
3157
3158 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3159 static int64_t getutime(void)
3160 {
3161 return av_gettime();
3162 }
3163 #else
3164 static int64_t getutime(void)
3165 {
3166 struct rusage rusage;
3167
3168 getrusage(RUSAGE_SELF, &rusage);
3169 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3170 }
3171 #endif
3172
3173 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3174 extern int ffm_nopts;
3175 #endif
3176
3177 static void show_formats(void)
3178 {
3179 AVInputFormat *ifmt;
3180 AVOutputFormat *ofmt;
3181 URLProtocol *up;
3182 AVCodec *p, *p2;
3183 const char **pp, *last_name;
3184
3185 printf("File formats:\n");
3186 last_name= "000";
3187 for(;;){
3188 int decode=0;
3189 int encode=0;
3190 const char *name=NULL;
3191 const char *long_name=NULL;
3192
3193 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3194 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3195 strcmp(ofmt->name, last_name)>0){
3196 name= ofmt->name;
3197 long_name= ofmt->long_name;
3198 encode=1;
3199 }
3200 }
3201 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3202 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3203 strcmp(ifmt->name, last_name)>0){
3204 name= ifmt->name;
3205 long_name= ifmt->long_name;
3206 encode=0;
3207 }
3208 if(name && strcmp(ifmt->name, name)==0)
3209 decode=1;
3210 }
3211 if(name==NULL)
3212 break;
3213 last_name= name;
3214
3215 printf(
3216 " %s%s %-15s %s\n",
3217 decode ? "D":" ",
3218 encode ? "E":" ",
3219 name,
3220 long_name ? long_name:" ");
3221 }
3222 printf("\n");
3223
3224 printf("Codecs:\n");
3225 last_name= "000";
3226 for(;;){
3227 int decode=0;
3228 int encode=0;
3229 int cap=0;
3230 const char *type_str;
3231
3232 p2=NULL;
3233 for(p = first_avcodec; p != NULL; p = p->next) {
3234 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3235 strcmp(p->name, last_name)>0){
3236 p2= p;
3237 decode= encode= cap=0;
3238 }
3239 if(p2 && strcmp(p->name, p2->name)==0){
3240 if(p->decode) decode=1;
3241 if(p->encode) encode=1;
3242 cap |= p->capabilities;
3243 }
3244 }
3245 if(p2==NULL)
3246 break;
3247 last_name= p2->name;
3248
3249 switch(p2->type) {
3250 case CODEC_TYPE_VIDEO:
3251 type_str = "V";
3252 break;
3253 case CODEC_TYPE_AUDIO:
3254