emms --> emms_c, patch by Ronald S. Bultje, rbultje ronald.bitfreak net
[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 "opt.h"
28 #include "fifo.h"
29
30 #ifdef __MINGW32__
31 #include <conio.h>
32 #else
33 #include <unistd.h>
34 #include <fcntl.h>
35 #include <sys/ioctl.h>
36 #include <sys/time.h>
37 #include <termios.h>
38 #include <sys/resource.h>
39 #endif
40 #ifdef CONFIG_OS2
41 #include <sys/types.h>
42 #include <sys/select.h>
43 #include <stdlib.h>
44 #endif
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
46 #include <time.h>
47
48 #include "version.h"
49 #include "cmdutils.h"
50
51 #undef NDEBUG
52 #include <assert.h>
53
54 #if !defined(INFINITY) && defined(HUGE_VAL)
55 #define INFINITY HUGE_VAL
56 #endif
57
58 #undef exit
59
60 /* select an input stream for an output stream */
61 typedef struct AVStreamMap {
62 int file_index;
63 int stream_index;
64 int sync_file_index;
65 int sync_stream_index;
66 } AVStreamMap;
67
68 /** select an input file for an output file */
69 typedef struct AVMetaDataMap {
70 int out_file;
71 int in_file;
72 } AVMetaDataMap;
73
74 extern const OptionDef options[];
75
76 static void show_help(void);
77 static void show_license(void);
78 static int opt_default(const char *opt, const char *arg);
79
80 #define MAX_FILES 20
81
82 static AVFormatContext *input_files[MAX_FILES];
83 static int64_t input_files_ts_offset[MAX_FILES];
84 static int nb_input_files = 0;
85
86 static AVFormatContext *output_files[MAX_FILES];
87 static int nb_output_files = 0;
88
89 static AVStreamMap stream_maps[MAX_FILES];
90 static int nb_stream_maps;
91
92 static AVMetaDataMap meta_data_maps[MAX_FILES];
93 static int nb_meta_data_maps;
94
95 static AVInputFormat *file_iformat;
96 static AVOutputFormat *file_oformat;
97 static int frame_width = 0;
98 static int frame_height = 0;
99 static float frame_aspect_ratio = 0;
100 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
101 static int frame_padtop = 0;
102 static int frame_padbottom = 0;
103 static int frame_padleft = 0;
104 static int frame_padright = 0;
105 static int padcolor[3] = {16,128,128}; /* default to black */
106 static int frame_topBand = 0;
107 static int frame_bottomBand = 0;
108 static int frame_leftBand = 0;
109 static int frame_rightBand = 0;
110 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
111 static int frame_rate = 25;
112 static int frame_rate_base = 1;
113 static float video_qscale = 0;
114 static int video_qdiff = 3;
115 static uint16_t *intra_matrix = NULL;
116 static uint16_t *inter_matrix = NULL;
117 #if 0 //experimental, (can be removed)
118 static float video_rc_qsquish=1.0;
119 static float video_rc_qmod_amp=0;
120 static int video_rc_qmod_freq=0;
121 #endif
122 static char *video_rc_override_string=NULL;
123 static char *video_rc_eq="tex^qComp";
124 static int me_method = ME_EPZS;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static int video_codec_id = CODEC_ID_NONE;
128 static int video_codec_tag = 0;
129 static int same_quality = 0;
130 static int do_deinterlace = 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 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static int audio_codec_id = CODEC_ID_NONE;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
148
149 static int subtitle_codec_id = CODEC_ID_NONE;
150 static char *subtitle_language = NULL;
151
152 static float mux_preload= 0.5;
153 static float mux_max_delay= 0.7;
154
155 static int64_t recording_time = 0;
156 static int64_t start_time = 0;
157 static int64_t rec_timestamp = 0;
158 static int64_t input_ts_offset = 0;
159 static int file_overwrite = 0;
160 static char *str_title = NULL;
161 static char *str_author = NULL;
162 static char *str_copyright = NULL;
163 static char *str_comment = NULL;
164 static char *str_album = NULL;
165 static int do_benchmark = 0;
166 static int do_hex_dump = 0;
167 static int do_pkt_dump = 0;
168 static int do_psnr = 0;
169 static int do_pass = 0;
170 static char *pass_logfilename = NULL;
171 static int audio_stream_copy = 0;
172 static int video_stream_copy = 0;
173 static int subtitle_stream_copy = 0;
174 static int video_sync_method= 1;
175 static int audio_sync_method= 0;
176 static int copy_ts= 0;
177 static int opt_shortest = 0; //
178 static int video_global_header = 0;
179 static char *vstats_filename;
180 static FILE *fvstats;
181
182 static int rate_emu = 0;
183
184 static int video_channel = 0;
185 static char *video_standard;
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 uint64_t 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 struct SwsContext *sws_opts;
212 static int64_t timer_start = 0;
213
214 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
215 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
216 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
217
218 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
219
220 struct AVInputStream;
221
222 typedef struct AVOutputStream {
223 int file_index; /* file index */
224 int index; /* stream index in the output file */
225 int source_index; /* AVInputStream index */
226 AVStream *st; /* stream in the output file */
227 int encoding_needed; /* true if encoding needed for this stream */
228 int frame_number;
229 /* input pts and corresponding output pts
230 for A/V sync */
231 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
232 struct AVInputStream *sync_ist; /* input stream to sync against */
233 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
234 /* video only */
235 int video_resample;
236 AVFrame pict_tmp; /* temporary image for resampling */
237 struct SwsContext *img_resample_ctx; /* for image resampling */
238 int resample_height;
239
240 int video_crop;
241 int topBand; /* cropping area sizes */
242 int leftBand;
243
244 int video_pad;
245 int padtop; /* padding area sizes */
246 int padbottom;
247 int padleft;
248 int padright;
249
250 /* audio only */
251 int audio_resample;
252 ReSampleContext *resample; /* for audio resampling */
253 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
254 FILE *logfile;
255 } AVOutputStream;
256
257 typedef struct AVInputStream {
258 int file_index;
259 int index;
260 AVStream *st;
261 int discard; /* true if stream data should be discarded */
262 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
263 int64_t sample_index; /* current sample */
264
265 int64_t start; /* time when read started */
266 unsigned long frame; /* current frame */
267 int64_t next_pts; /* synthetic pts for cases where pkt.pts
268 is not defined */
269 int64_t pts; /* current pts */
270 int is_start; /* is 1 at the start and after a discontinuity */
271 } AVInputStream;
272
273 typedef struct AVInputFile {
274 int eof_reached; /* true if eof reached */
275 int ist_index; /* index of first stream in ist_table */
276 int buffer_size; /* current total buffer size */
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 av_picture_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 1000000 * ist->pts / AV_TIME_BASE);
608
609 if (picture != picture2)
610 *picture = *picture2;
611 *bufp = buf;
612 }
613
614 /* we begin to correct av delay at this threshold */
615 #define AV_DELAY_MAX 0.100
616
617 static void do_subtitle_out(AVFormatContext *s,
618 AVOutputStream *ost,
619 AVInputStream *ist,
620 AVSubtitle *sub,
621 int64_t pts)
622 {
623 static uint8_t *subtitle_out = NULL;
624 int subtitle_out_max_size = 65536;
625 int subtitle_out_size, nb, i;
626 AVCodecContext *enc;
627 AVPacket pkt;
628
629 if (pts == AV_NOPTS_VALUE) {
630 fprintf(stderr, "Subtitle packets must have a pts\n");
631 return;
632 }
633
634 enc = ost->st->codec;
635
636 if (!subtitle_out) {
637 subtitle_out = av_malloc(subtitle_out_max_size);
638 }
639
640 /* Note: DVB subtitle need one packet to draw them and one other
641 packet to clear them */
642 /* XXX: signal it in the codec context ? */
643 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
644 nb = 2;
645 else
646 nb = 1;
647
648 for(i = 0; i < nb; i++) {
649 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
650 subtitle_out_max_size, sub);
651
652 av_init_packet(&pkt);
653 pkt.stream_index = ost->index;
654 pkt.data = subtitle_out;
655 pkt.size = subtitle_out_size;
656 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);
657 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
658 /* XXX: the pts correction is handled here. Maybe handling
659 it in the codec would be better */
660 if (i == 0)
661 pkt.pts += 90 * sub->start_display_time;
662 else
663 pkt.pts += 90 * sub->end_display_time;
664 }
665 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
666 }
667 }
668
669 static int bit_buffer_size= 1024*256;
670 static uint8_t *bit_buffer= NULL;
671
672 static void do_video_out(AVFormatContext *s,
673 AVOutputStream *ost,
674 AVInputStream *ist,
675 AVFrame *in_picture,
676 int *frame_size)
677 {
678 int nb_frames, i, ret;
679 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
680 AVFrame picture_crop_temp, picture_pad_temp;
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 (av_picture_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 return;
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 (av_picture_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 return;
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 av_picture_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 }
837
838 static double psnr(double d){
839 if(d==0) return INFINITY;
840 return -10.0*log(d)/log(10.0);
841 }
842
843 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
844 int frame_size)
845 {
846 AVCodecContext *enc;
847 int frame_number;
848 int64_t ti;
849 double ti1, bitrate, avg_bitrate;
850
851 /* this is executed just the first time do_video_stats is called */
852 if (!fvstats) {
853 fvstats = fopen(vstats_filename, "w");
854 if (!fvstats) {
855 perror("fopen");
856 exit(1);
857 }
858 }
859
860 ti = INT64_MAX;
861 enc = ost->st->codec;
862 if (enc->codec_type == CODEC_TYPE_VIDEO) {
863 frame_number = ost->frame_number;
864 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
865 if (enc->flags&CODEC_FLAG_PSNR)
866 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
867
868 fprintf(fvstats,"f_size= %6d ", frame_size);
869 /* compute pts value */
870 ti1 = ost->sync_opts * av_q2d(enc->time_base);
871 if (ti1 < 0.01)
872 ti1 = 0.01;
873
874 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
875 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
876 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
877 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
878 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
879 }
880 }
881
882 static void print_report(AVFormatContext **output_files,
883 AVOutputStream **ost_table, int nb_ostreams,
884 int is_last_report)
885 {
886 char buf[1024];
887 AVOutputStream *ost;
888 AVFormatContext *oc, *os;
889 int64_t total_size;
890 AVCodecContext *enc;
891 int frame_number, vid, i;
892 double bitrate, ti1, pts;
893 static int64_t last_time = -1;
894 static int qp_histogram[52];
895
896 if (!is_last_report) {
897 int64_t cur_time;
898 /* display the report every 0.5 seconds */
899 cur_time = av_gettime();
900 if (last_time == -1) {
901 last_time = cur_time;
902 return;
903 }
904 if ((cur_time - last_time) < 500000)
905 return;
906 last_time = cur_time;
907 }
908
909
910 oc = output_files[0];
911
912 total_size = url_fsize(&oc->pb);
913 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
914 total_size= url_ftell(&oc->pb);
915
916 buf[0] = '\0';
917 ti1 = 1e10;
918 vid = 0;
919 for(i=0;i<nb_ostreams;i++) {
920 ost = ost_table[i];
921 os = output_files[ost->file_index];
922 enc = ost->st->codec;
923 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
924 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
925 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
926 }
927 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 float t = (av_gettime()-timer_start) / 1000000.0;
929
930 frame_number = ost->frame_number;
931 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
932 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
933 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
934 if(is_last_report)
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
936 if(qp_hist && enc->coded_frame){
937 int j;
938 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
939 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
940 qp_histogram[qp]++;
941 for(j=0; j<32; j++)
942 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
943 }
944 if (enc->flags&CODEC_FLAG_PSNR){
945 int j;
946 double error, error_sum=0;
947 double scale, scale_sum=0;
948 char type[3]= {'Y','U','V'};
949 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
950 for(j=0; j<3; j++){
951 if(is_last_report){
952 error= enc->error[j];
953 scale= enc->width*enc->height*255.0*255.0*frame_number;
954 }else{
955 error= enc->coded_frame->error[j];
956 scale= enc->width*enc->height*255.0*255.0;
957 }
958 if(j) scale/=4;
959 error_sum += error;
960 scale_sum += scale;
961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
962 }
963 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
964 }
965 vid = 1;
966 }
967 /* compute min output value */
968 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
969 if ((pts < ti1) && (pts > 0))
970 ti1 = pts;
971 }
972 if (ti1 < 0.01)
973 ti1 = 0.01;
974
975 if (verbose || is_last_report) {
976 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
977
978 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
979 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
980 (double)total_size / 1024, ti1, bitrate);
981
982 if (verbose > 1)
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
984 nb_frames_dup, nb_frames_drop);
985
986 if (verbose >= 0)
987 fprintf(stderr, "%s \r", buf);
988
989 fflush(stderr);
990 }
991
992 if (is_last_report && verbose >= 0){
993 int64_t raw= audio_size + video_size + extra_size;
994 fprintf(stderr, "\n");
995 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
996 video_size/1024.0,
997 audio_size/1024.0,
998 extra_size/1024.0,
999 100.0*(total_size - raw)/raw
1000 );
1001 }
1002 }
1003
1004 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1005 static int output_packet(AVInputStream *ist, int ist_index,
1006 AVOutputStream **ost_table, int nb_ostreams,
1007 const AVPacket *pkt)
1008 {
1009 AVFormatContext *os;
1010 AVOutputStream *ost;
1011 uint8_t *ptr;
1012 int len, ret, i;
1013 uint8_t *data_buf;
1014 int data_size, got_picture;
1015 AVFrame picture;
1016 void *buffer_to_free;
1017 static unsigned int samples_size= 0;
1018 static short *samples= NULL;
1019 AVSubtitle subtitle, *subtitle_to_free;
1020 int got_subtitle;
1021
1022 if(!pkt){
1023 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1024 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1025 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1026 } else {
1027 // assert(ist->pts == ist->next_pts);
1028 }
1029
1030 if (pkt == NULL) {
1031 /* EOF handling */
1032 ptr = NULL;
1033 len = 0;
1034 goto handle_eof;
1035 }
1036
1037 len = pkt->size;
1038 ptr = pkt->data;
1039 while (len > 0) {
1040 handle_eof:
1041 /* decode the packet if needed */
1042 data_buf = NULL; /* fail safe */
1043 data_size = 0;
1044 subtitle_to_free = NULL;
1045 if (ist->decoding_needed) {
1046 switch(ist->st->codec->codec_type) {
1047 case CODEC_TYPE_AUDIO:{
1048 if(pkt)
1049 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1050 data_size= samples_size;
1051 /* XXX: could avoid copy if PCM 16 bits with same
1052 endianness as CPU */
1053 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1054 ptr, len);
1055 if (ret < 0)
1056 goto fail_decode;
1057 ptr += ret;
1058 len -= ret;
1059 /* Some bug in mpeg audio decoder gives */
1060 /* data_size < 0, it seems they are overflows */
1061 if (data_size <= 0) {
1062 /* no audio frame */
1063 continue;
1064 }
1065 data_buf = (uint8_t *)samples;
1066 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1067 (ist->st->codec->sample_rate * ist->st->codec->channels);
1068 break;}
1069 case CODEC_TYPE_VIDEO:
1070 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1071 /* XXX: allocate picture correctly */
1072 avcodec_get_frame_defaults(&picture);
1073
1074 ret = avcodec_decode_video(ist->st->codec,
1075 &picture, &got_picture, ptr, len);
1076 ist->st->quality= picture.quality;
1077 if (ret < 0)
1078 goto fail_decode;
1079 if (!got_picture) {
1080 /* no picture yet */
1081 goto discard_packet;
1082 }
1083 if (ist->st->codec->time_base.num != 0) {
1084 ist->next_pts += ((int64_t)AV_TIME_BASE *
1085 ist->st->codec->time_base.num) /
1086 ist->st->codec->time_base.den;
1087 }
1088 len = 0;
1089 break;
1090 case CODEC_TYPE_SUBTITLE:
1091 ret = avcodec_decode_subtitle(ist->st->codec,
1092 &subtitle, &got_subtitle, ptr, len);
1093 if (ret < 0)
1094 goto fail_decode;
1095 if (!got_subtitle) {
1096 goto discard_packet;
1097 }
1098 subtitle_to_free = &subtitle;
1099 len = 0;
1100 break;
1101 default:
1102 goto fail_decode;
1103 }
1104 } else {
1105 switch(ist->st->codec->codec_type) {
1106 case CODEC_TYPE_AUDIO:
1107 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1108 (ist->st->codec->sample_rate * ist->st->codec->channels);
1109 break;
1110 case CODEC_TYPE_VIDEO:
1111 if (ist->st->codec->time_base.num != 0) {
1112 ist->next_pts += ((int64_t)AV_TIME_BASE *
1113 ist->st->codec->time_base.num) /
1114 ist->st->codec->time_base.den;
1115 }
1116 break;
1117 }
1118 data_buf = ptr;
1119 data_size = len;
1120 ret = len;
1121 len = 0;
1122 }
1123
1124 buffer_to_free = NULL;
1125 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1126 pre_process_video_frame(ist, (AVPicture *)&picture,
1127 &buffer_to_free);
1128 }
1129
1130 // preprocess audio (volume)
1131 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1132 if (audio_volume != 256) {
1133 short *volp;
1134 volp = samples;
1135 for(i=0;i<(data_size / sizeof(short));i++) {
1136 int v = ((*volp) * audio_volume + 128) >> 8;
1137 if (v < -32768) v = -32768;
1138 if (v > 32767) v = 32767;
1139 *volp++ = v;
1140 }
1141 }
1142 }
1143
1144 /* frame rate emulation */
1145 if (ist->st->codec->rate_emu) {
1146 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1147 int64_t now = av_gettime() - ist->start;
1148 if (pts > now)
1149 usleep(pts - now);
1150
1151 ist->frame++;
1152 }
1153
1154 #if 0
1155 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1156 is the one of the next displayed one */
1157 /* XXX: add mpeg4 too ? */
1158 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1159 if (ist->st->codec->pict_type != B_TYPE) {
1160 int64_t tmp;
1161 tmp = ist->last_ip_pts;
1162 ist->last_ip_pts = ist->frac_pts.val;
1163 ist->frac_pts.val = tmp;
1164 }
1165 }
1166 #endif
1167 /* if output time reached then transcode raw format,
1168 encode packets and output them */
1169 if (start_time == 0 || ist->pts >= start_time)
1170 for(i=0;i<nb_ostreams;i++) {
1171 int frame_size;
1172
1173 ost = ost_table[i];
1174 if (ost->source_index == ist_index) {
1175 os = output_files[ost->file_index];
1176
1177 #if 0
1178 printf("%d: got pts=%0.3f %0.3f\n", i,
1179 (double)pkt->pts / AV_TIME_BASE,
1180 ((double)ist->pts / AV_TIME_BASE) -
1181 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1182 #endif
1183 /* set the input output pts pairs */
1184 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1185
1186 if (ost->encoding_needed) {
1187 switch(ost->st->codec->codec_type) {
1188 case CODEC_TYPE_AUDIO:
1189 do_audio_out(os, ost, ist, data_buf, data_size);
1190 break;
1191 case CODEC_TYPE_VIDEO:
1192 do_video_out(os, ost, ist, &picture, &frame_size);
1193 video_size += frame_size;
1194 if (vstats_filename && frame_size)
1195 do_video_stats(os, ost, frame_size);
1196 break;
1197 case CODEC_TYPE_SUBTITLE:
1198 do_subtitle_out(os, ost, ist, &subtitle,
1199 pkt->pts);
1200 break;
1201 default:
1202 av_abort();
1203 }
1204 } else {
1205 AVFrame avframe; //FIXME/XXX remove this
1206 AVPacket opkt;
1207 av_init_packet(&opkt);
1208
1209 /* no reencoding needed : output the packet directly */
1210 /* force the input stream PTS */
1211
1212 avcodec_get_frame_defaults(&avframe);
1213 ost->st->codec->coded_frame= &avframe;
1214 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1215
1216 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1217 audio_size += data_size;
1218 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1219 video_size += data_size;
1220 ost->sync_opts++;
1221 }
1222
1223 opkt.stream_index= ost->index;
1224 if(pkt->pts != AV_NOPTS_VALUE)
1225 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);
1226 else
1227 opkt.pts= AV_NOPTS_VALUE;
1228
1229 {
1230 int64_t dts;
1231 if (pkt->dts == AV_NOPTS_VALUE)
1232 dts = ist->next_pts;
1233 else
1234 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1235 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1236 }
1237 opkt.flags= pkt->flags;
1238
1239 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1240 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1241 opkt.destruct= av_destruct_packet;
1242
1243 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1244 ost->st->codec->frame_number++;
1245 ost->frame_number++;
1246 av_free_packet(&opkt);
1247 }
1248 }
1249 }
1250 av_free(buffer_to_free);
1251 /* XXX: allocate the subtitles in the codec ? */
1252 if (subtitle_to_free) {
1253 if (subtitle_to_free->rects != NULL) {
1254 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1255 av_free(subtitle_to_free->rects[i].bitmap);
1256 av_free(subtitle_to_free->rects[i].rgba_palette);
1257 }
1258 av_freep(&subtitle_to_free->rects);
1259 }
1260 subtitle_to_free->num_rects = 0;
1261 subtitle_to_free = NULL;
1262 }
1263 }
1264 discard_packet:
1265 if (pkt == NULL) {
1266 /* EOF handling */
1267
1268 for(i=0;i<nb_ostreams;i++) {
1269 ost = ost_table[i];
1270 if (ost->source_index == ist_index) {
1271 AVCodecContext *enc= ost->st->codec;
1272 os = output_files[ost->file_index];
1273
1274 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1275 continue;
1276 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1277 continue;
1278
1279 if (ost->encoding_needed) {
1280 for(;;) {
1281 AVPacket pkt;
1282 int fifo_bytes;
1283 av_init_packet(&pkt);
1284 pkt.stream_index= ost->index;
1285
1286 switch(ost->st->codec->codec_type) {
1287 case CODEC_TYPE_AUDIO:
1288 fifo_bytes = av_fifo_size(&ost->fifo);
1289 ret = 0;
1290 /* encode any samples remaining in fifo */
1291 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1292 int fs_tmp = enc->frame_size;
1293 enc->frame_size = fifo_bytes / (2 * enc->channels);
1294 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1295 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1296 }
1297 enc->frame_size = fs_tmp;
1298 }
1299 if(ret <= 0) {
1300 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1301 }
1302 audio_size += ret;
1303 pkt.flags |= PKT_FLAG_KEY;
1304 break;
1305 case CODEC_TYPE_VIDEO:
1306 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1307 video_size += ret;
1308 if(enc->coded_frame && enc->coded_frame->key_frame)
1309 pkt.flags |= PKT_FLAG_KEY;
1310 if (ost->logfile && enc->stats_out) {
1311 fprintf(ost->logfile, "%s", enc->stats_out);
1312 }
1313 break;
1314 default:
1315 ret=-1;
1316 }
1317
1318 if(ret<=0)
1319 break;
1320 pkt.data= bit_buffer;
1321 pkt.size= ret;
1322 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1323 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1324 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1325 }
1326 }
1327 }
1328 }
1329 }
1330
1331 return 0;
1332 fail_decode:
1333 return -1;
1334 }
1335
1336
1337 /*
1338 * The following code is the main loop of the file converter
1339 */
1340 static int av_encode(AVFormatContext **output_files,
1341 int nb_output_files,
1342 AVFormatContext **input_files,
1343 int nb_input_files,
1344 AVStreamMap *stream_maps, int nb_stream_maps)
1345 {
1346 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1347 AVFormatContext *is, *os;
1348 AVCodecContext *codec, *icodec;
1349 AVOutputStream *ost, **ost_table = NULL;
1350 AVInputStream *ist, **ist_table = NULL;
1351 AVInputFile *file_table;
1352 int key;
1353
1354 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1355 if (!file_table)
1356 goto fail;
1357
1358 /* input stream init */
1359 j = 0;
1360 for(i=0;i<nb_input_files;i++) {
1361 is = input_files[i];
1362 file_table[i].ist_index = j;
1363 file_table[i].nb_streams = is->nb_streams;
1364 j += is->nb_streams;
1365 }
1366 nb_istreams = j;
1367
1368 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1369 if (!ist_table)
1370 goto fail;
1371
1372 for(i=0;i<nb_istreams;i++) {
1373 ist = av_mallocz(sizeof(AVInputStream));
1374 if (!ist)
1375 goto fail;
1376 ist_table[i] = ist;
1377 }
1378 j = 0;
1379 for(i=0;i<nb_input_files;i++) {
1380 is = input_files[i];
1381 for(k=0;k<is->nb_streams;k++) {
1382 ist = ist_table[j++];
1383 ist->st = is->streams[k];
1384 ist->file_index = i;
1385 ist->index = k;
1386 ist->discard = 1; /* the stream is discarded by default
1387 (changed later) */
1388
1389 if (ist->st->codec->rate_emu) {
1390 ist->start = av_gettime();
1391 ist->frame = 0;
1392 }
1393 }
1394 }
1395
1396 /* output stream init */
1397 nb_ostreams = 0;
1398 for(i=0;i<nb_output_files;i++) {
1399 os = output_files[i];
1400 if (!os->nb_streams) {
1401 fprintf(stderr, "Output file does not contain any stream\n");
1402 exit(1);
1403 }
1404 nb_ostreams += os->nb_streams;
1405 }
1406 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1407 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1408 exit(1);
1409 }
1410
1411 /* Sanity check the mapping args -- do the input files & streams exist? */
1412 for(i=0;i<nb_stream_maps;i++) {
1413 int fi = stream_maps[i].file_index;
1414 int si = stream_maps[i].stream_index;
1415
1416 if (fi < 0 || fi > nb_input_files - 1 ||
1417 si < 0 || si > file_table[fi].nb_streams - 1) {
1418 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1419 exit(1);
1420 }
1421 fi = stream_maps[i].sync_file_index;
1422 si = stream_maps[i].sync_stream_index;
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 sync stream #%d.%d\n", fi, si);
1426 exit(1);
1427 }
1428 }
1429
1430 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1431 if (!ost_table)
1432 goto fail;
1433 for(i=0;i<nb_ostreams;i++) {
1434 ost = av_mallocz(sizeof(AVOutputStream));
1435 if (!ost)
1436 goto fail;
1437 ost_table[i] = ost;
1438 }
1439
1440 n = 0;
1441 for(k=0;k<nb_output_files;k++) {
1442 os = output_files[k];
1443 for(i=0;i<os->nb_streams;i++) {
1444 int found;
1445 ost = ost_table[n++];
1446 ost->file_index = k;
1447 ost->index = i;
1448 ost->st = os->streams[i];
1449 if (nb_stream_maps > 0) {
1450 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1451 stream_maps[n-1].stream_index;
1452
1453 /* Sanity check that the stream types match */
1454 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1455 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1456 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1457 ost->file_index, ost->index);
1458 exit(1);
1459 }
1460
1461 } else {
1462 /* get corresponding input stream index : we select the first one with the right type */
1463 found = 0;
1464 for(j=0;j<nb_istreams;j++) {
1465 ist = ist_table[j];
1466 if (ist->discard &&
1467 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1468 ost->source_index = j;
1469 found = 1;
1470 break;
1471 }
1472 }
1473
1474 if (!found) {
1475 /* try again and reuse existing stream */
1476 for(j=0;j<nb_istreams;j++) {
1477 ist = ist_table[j];
1478 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1479 ost->source_index = j;
1480 found = 1;
1481 }
1482 }
1483 if (!found) {
1484 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1485 ost->file_index, ost->index);
1486 exit(1);
1487 }
1488 }
1489 }
1490 ist = ist_table[ost->source_index];
1491 ist->discard = 0;
1492 ost->sync_ist = (nb_stream_maps > 0) ?
1493 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1494 stream_maps[n-1].sync_stream_index] : ist;
1495 }
1496 }
1497
1498 /* for each output stream, we compute the right encoding parameters */
1499 for(i=0;i<nb_ostreams;i++) {
1500 ost = ost_table[i];
1501 ist = ist_table[ost->source_index];
1502
1503 codec = ost->st->codec;
1504 icodec = ist->st->codec;
1505
1506 if (ost->st->stream_copy) {
1507 /* if stream_copy is selected, no need to decode or encode */
1508 codec->codec_id = icodec->codec_id;
1509 codec->codec_type = icodec->codec_type;
1510 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1511 codec->bit_rate = icodec->bit_rate;
1512 codec->extradata= icodec->extradata;
1513 codec->extradata_size= icodec->extradata_size;
1514 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1515 codec->time_base = icodec->time_base;
1516 else
1517 codec->time_base = ist->st->time_base;
1518 switch(codec->codec_type) {
1519 case CODEC_TYPE_AUDIO:
1520 codec->sample_rate = icodec->sample_rate;
1521 codec->channels = icodec->channels;
1522 codec->frame_size = icodec->frame_size;
1523 codec->block_align= icodec->block_align;
1524 break;
1525 case CODEC_TYPE_VIDEO:
1526 if(using_vhook) {
1527 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1528 exit(1);
1529 }
1530 codec->pix_fmt = icodec->pix_fmt;
1531 codec->width = icodec->width;
1532 codec->height = icodec->height;
1533 codec->has_b_frames = icodec->has_b_frames;
1534 break;
1535 case CODEC_TYPE_SUBTITLE:
1536 break;
1537 default:
1538 av_abort();
1539 }
1540 } else {
1541 switch(codec->codec_type) {
1542 case CODEC_TYPE_AUDIO:
1543 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1544 goto fail;
1545
1546 if (codec->channels == icodec->channels &&
1547 codec->sample_rate == icodec->sample_rate) {
1548 ost->audio_resample = 0;
1549 } else {
1550 if (codec->channels != icodec->channels &&
1551 (icodec->codec_id == CODEC_ID_AC3 ||
1552 icodec->codec_id == CODEC_ID_DTS)) {
1553 /* Special case for 5:1 AC3 and DTS input */
1554 /* and mono or stereo output */
1555 /* Request specific number of channels */
1556 icodec->channels = codec->channels;
1557 if (codec->sample_rate == icodec->sample_rate)
1558 ost->audio_resample = 0;
1559 else {
1560 ost->audio_resample = 1;
1561 }
1562 } else {
1563 ost->audio_resample = 1;
1564 }
1565 }
1566 if(audio_sync_method>1)
1567 ost->audio_resample = 1;
1568
1569 if(ost->audio_resample){
1570 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1571 codec->sample_rate, icodec->sample_rate);
1572 if(!ost->resample){
1573 printf("Can't resample. Aborting.\n");
1574 av_abort();
1575 }
1576 }
1577 ist->decoding_needed = 1;
1578 ost->encoding_needed = 1;
1579 break;
1580 case CODEC_TYPE_VIDEO:
1581 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1582 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1583 ost->video_resample = ((codec->width != icodec->width -
1584 (frame_leftBand + frame_rightBand) +
1585 (frame_padleft + frame_padright)) ||
1586 (codec->height != icodec->height -
1587 (frame_topBand + frame_bottomBand) +
1588 (frame_padtop + frame_padbottom)) ||
1589 (codec->pix_fmt != icodec->pix_fmt));
1590 if (ost->video_crop) {
1591 ost->topBand = frame_topBand;
1592 ost->leftBand = frame_leftBand;
1593 }
1594 if (ost->video_pad) {
1595 ost->padtop = frame_padtop;
1596 ost->padleft = frame_padleft;
1597 ost->padbottom = frame_padbottom;
1598 ost->padright = frame_padright;
1599 if (!ost->video_resample) {
1600 avcodec_get_frame_defaults(&ost->pict_tmp);
1601 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1602 codec->width, codec->height ) )
1603 goto fail;
1604 }
1605 }
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 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1611 exit(1);
1612 }
1613 if (ENABLE_SWSCALER)
1614 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1615 ost->img_resample_ctx = sws_getContext(
1616 icodec->width - (frame_leftBand + frame_rightBand),
1617 icodec->height - (frame_topBand + frame_bottomBand),
1618 icodec->pix_fmt,
1619 codec->width - (frame_padleft + frame_padright),
1620 codec->height - (frame_padtop + frame_padbottom),
1621 codec->pix_fmt,
1622 sws_flags, NULL, NULL, NULL);
1623 if (ost->img_resample_ctx == NULL) {
1624 fprintf(stderr, "Cannot get resampling context\n");
1625 exit(1);
1626 }
1627 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1628 }
1629 ost->encoding_needed = 1;
1630 ist->decoding_needed = 1;
1631 break;
1632 case CODEC_TYPE_SUBTITLE:
1633 ost->encoding_needed = 1;
1634 ist->decoding_needed = 1;
1635 break;
1636 default:
1637 av_abort();
1638 break;
1639 }
1640 /* two pass mode */
1641 if (ost->encoding_needed &&
1642 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1643 char logfilename[1024];
1644 FILE *f;
1645 int size;
1646 char *logbuffer;
1647
1648 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1649 pass_logfilename ?
1650 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1651 if (codec->flags & CODEC_FLAG_PASS1) {
1652 f = fopen(logfilename, "w");
1653 if (!f) {
1654 perror(logfilename);
1655 exit(1);
1656 }
1657 ost->logfile = f;
1658 } else {
1659 /* read the log file */
1660 f = fopen(logfilename, "r");
1661 if (!f) {
1662 perror(logfilename);
1663 exit(1);
1664 }
1665 fseek(f, 0, SEEK_END);
1666 size = ftell(f);
1667 fseek(f, 0, SEEK_SET);
1668 logbuffer = av_malloc(size + 1);
1669 if (!logbuffer) {
1670 fprintf(stderr, "Could not allocate log buffer\n");
1671 exit(1);
1672 }
1673 size = fread(logbuffer, 1, size, f);
1674 fclose(f);
1675 logbuffer[size] = '\0';
1676 codec->stats_in = logbuffer;
1677 }
1678 }
1679 }
1680 if(codec->codec_type == CODEC_TYPE_VIDEO){
1681 int size= codec->width * codec->height;
1682 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1683 }
1684 }
1685
1686 if (!bit_buffer)
1687 bit_buffer = av_malloc(bit_buffer_size);
1688 if (!bit_buffer)
1689 goto fail;
1690
1691 /* dump the file output parameters - cannot be done before in case
1692 of stream copy */
1693 for(i=0;i<nb_output_files;i++) {
1694 dump_format(output_files[i], i, output_files[i]->filename, 1);
1695 }
1696
1697 /* dump the stream mapping */
1698 if (verbose >= 0) {
1699 fprintf(stderr, "Stream mapping:\n");
1700 for(i=0;i<nb_ostreams;i++) {
1701 ost = ost_table[i];
1702 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1703 ist_table[ost->source_index]->file_index,
1704 ist_table[ost->source_index]->index,
1705 ost->file_index,
1706 ost->index);
1707 if (ost->sync_ist != ist_table[ost->source_index])
1708 fprintf(stderr, " [sync #%d.%d]",
1709 ost->sync_ist->file_index,
1710 ost->sync_ist->index);
1711 fprintf(stderr, "\n");
1712 }
1713 }
1714
1715 /* open each encoder */
1716 for(i=0;i<nb_ostreams;i++) {
1717 ost = ost_table[i];
1718 if (ost->encoding_needed) {
1719 AVCodec *codec;
1720 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1721 if (!codec) {
1722 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1723 ost->file_index, ost->index);
1724 exit(1);
1725 }
1726 if (avcodec_open(ost->st->codec, codec) < 0) {
1727 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1728 ost->file_index, ost->index);
1729 exit(1);
1730 }
1731 extra_size += ost->st->codec->extradata_size;
1732 }
1733 }
1734
1735 /* open each decoder */
1736 for(i=0;i<nb_istreams;i++) {
1737 ist = ist_table[i];
1738 if (ist->decoding_needed) {
1739 AVCodec *codec;
1740 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1741 if (!codec) {
1742 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1743 ist->st->codec->codec_id, ist->file_index, ist->index);
1744 exit(1);
1745 }
1746 if (avcodec_open(ist->st->codec, codec) < 0) {
1747 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1748 ist->file_index, ist->index);
1749 exit(1);
1750 }
1751 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1752 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1753 }
1754 }
1755
1756 /* init pts */
1757 for(i=0;i<nb_istreams;i++) {
1758 ist = ist_table[i];
1759 is = input_files[ist->file_index];
1760 ist->pts = 0;
1761 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1762 if(ist->st->start_time == AV_NOPTS_VALUE)
1763 ist->next_pts=0;
1764 if(input_files_ts_offset[ist->file_index])
1765 ist->next_pts= AV_NOPTS_VALUE;
1766 ist->is_start = 1;
1767 }
1768
1769 /* set meta data information from input file if required */
1770 for (i=0;i<nb_meta_data_maps;i++) {
1771 AVFormatContext *out_file;
1772 AVFormatContext *in_file;
1773
1774 int out_file_index = meta_data_maps[i].out_file;
1775 int in_file_index = meta_data_maps[i].in_file;
1776 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1777 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1778 ret = AVERROR(EINVAL);
1779 goto fail;
1780 }
1781 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1782 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1783 ret = AVERROR(EINVAL);
1784 goto fail;
1785 }
1786
1787 out_file = output_files[out_file_index];
1788 in_file = input_files[in_file_index];
1789
1790 strcpy(out_file->title, in_file->title);
1791 strcpy(out_file->author, in_file->author);
1792 strcpy(out_file->copyright, in_file->copyright);
1793 strcpy(out_file->comment, in_file->comment);
1794 strcpy(out_file->album, in_file->album);
1795 out_file->year = in_file->year;
1796 out_file->track = in_file->track;
1797 strcpy(out_file->genre, in_file->genre);
1798 }
1799
1800 /* open files and write file headers */
1801 for(i=0;i<nb_output_files;i++) {
1802 os = output_files[i];
1803 if (av_write_header(os) < 0) {
1804 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1805 ret = AVERROR(EINVAL);
1806 goto fail;
1807 }
1808 }
1809
1810 if ( !using_stdin && verbose >= 0) {
1811 fprintf(stderr, "Press [q] to stop encoding\n");
1812 url_set_interrupt_cb(decode_interrupt_cb);
1813 }
1814 term_init();
1815
1816 key = -1;
1817 timer_start = av_gettime();
1818
1819 for(; received_sigterm == 0;) {
1820 int file_index, ist_index;
1821 AVPacket pkt;
1822 double ipts_min;
1823 double opts_min;
1824
1825 redo:
1826 ipts_min= 1e100;
1827 opts_min= 1e100;
1828 /* if 'q' pressed, exits */
1829 if (!using_stdin) {
1830 if (q_pressed)
1831 break;
1832 /* read_key() returns 0 on EOF */
1833 key = read_key();
1834 if (key == 'q')
1835 break;
1836 }
1837
1838 /* select the stream that we must read now by looking at the
1839 smallest output pts */
1840 file_index = -1;
1841 for(i=0;i<nb_ostreams;i++) {
1842 double ipts, opts;
1843 ost = ost_table[i];
1844 os = output_files[ost->file_index];
1845 ist = ist_table[ost->source_index];
1846 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1847 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1848 else
1849 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1850 ipts = (double)ist->pts;
1851 if (!file_table[ist->file_index].eof_reached){
1852 if(ipts < ipts_min) {
1853 ipts_min = ipts;
1854 if(input_sync ) file_index = ist->file_index;
1855 }
1856 if(opts < opts_min) {
1857 opts_min = opts;
1858 if(!input_sync) file_index = ist->file_index;
1859 }
1860 }
1861 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1862 file_index= -1;
1863 break;
1864 }
1865 }
1866 /* if none, if is finished */
1867 if (file_index < 0) {
1868 break;
1869 }
1870
1871 /* finish if recording time exhausted */
1872 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1873 break;
1874
1875 /* finish if limit size exhausted */
1876 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1877 break;
1878
1879 /* read a frame from it and output it in the fifo */
1880 is = input_files[file_index];
1881 if (av_read_frame(is, &pkt) < 0) {
1882 file_table[file_index].eof_reached = 1;
1883 if (opt_shortest) break; else continue; //
1884 }
1885
1886 if (do_pkt_dump) {
1887 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1888 }
1889 /* the following test is needed in case new streams appear
1890 dynamically in stream : we ignore them */
1891 if (pkt.stream_index >= file_table[file_index].nb_streams)
1892 goto discard_packet;
1893 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1894 ist = ist_table[ist_index];
1895 if (ist->discard)
1896 goto discard_packet;
1897
1898 // 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);
1899 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1900 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1901 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1902 input_files_ts_offset[ist->file_index]-= delta;
1903 if (verbose > 2)
1904 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1905 for(i=0; i<file_table[file_index].nb_streams; i++){
1906 int index= file_table[file_index].ist_index + i;
1907 ist_table[index]->next_pts += delta;
1908 ist_table[index]->is_start=1;
1909 }
1910 }
1911 }
1912
1913 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1914 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1915
1916 if (verbose >= 0)
1917 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1918 ist->file_index, ist->index);
1919
1920 av_free_packet(&pkt);
1921 goto redo;
1922 }
1923
1924 discard_packet:
1925 av_free_packet(&pkt);
1926
1927 /* dump report by using the output first video and audio streams */
1928 print_report(output_files, ost_table, nb_ostreams, 0);
1929 }
1930
1931 /* at the end of stream, we must flush the decoder buffers */
1932 for(i=0;i<nb_istreams;i++) {
1933 ist = ist_table[i];
1934 if (ist->decoding_needed) {
1935 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1936 }
1937 }
1938
1939 term_exit();
1940
1941 /* write the trailer if needed and close file */
1942 for(i=0;i<nb_output_files;i++) {
1943 os = output_files[i];
1944 av_write_trailer(os);
1945 }
1946
1947 /* dump report by using the first video and audio streams */
1948 print_report(output_files, ost_table, nb_ostreams, 1);
1949
1950 /* close each encoder */
1951 for(i=0;i<nb_ostreams;i++) {
1952 ost = ost_table[i];
1953 if (ost->encoding_needed) {
1954 av_freep(&ost->st->codec->stats_in);
1955 avcodec_close(ost->st->codec);
1956 }
1957 }
1958
1959 /* close each decoder */
1960 for(i=0;i<nb_istreams;i++) {
1961 ist = ist_table[i];
1962 if (ist->decoding_needed) {
1963 avcodec_close(ist->st->codec);
1964 }
1965 }
1966
1967 /* finished ! */
1968
1969 ret = 0;
1970 fail1:
1971 av_freep(&bit_buffer);
1972 av_free(file_table);
1973
1974 if (ist_table) {
1975 for(i=0;i<nb_istreams;i++) {
1976 ist = ist_table[i];
1977 av_free(ist);
1978 }
1979 av_free(ist_table);
1980 }
1981 if (ost_table) {
1982 for(i=0;i<nb_ostreams;i++) {
1983 ost = ost_table[i];
1984 if (ost) {
1985 if (ost->logfile) {
1986 fclose(ost->logfile);
1987 ost->logfile = NULL;
1988 }
1989 av_fifo_free(&ost->fifo); /* works even if fifo is not
1990 initialized but set to zero */
1991 av_free(ost->pict_tmp.data[0]);
1992 if (ost->video_resample)
1993 sws_freeContext(ost->img_resample_ctx);
1994 if (ost->audio_resample)
1995 audio_resample_close(ost->resample);
1996 av_free(ost);
1997 }
1998 }
1999 av_free(ost_table);
2000 }
2001 return ret;
2002 fail:
2003 ret = AVERROR(ENOMEM);
2004 goto fail1;
2005 }
2006
2007 #if 0
2008 int file_read(const char *filename)
2009 {
2010 URLContext *h;
2011 unsigned char buffer[1024];
2012 int len, i;
2013
2014 if (url_open(&h, filename, O_RDONLY) < 0) {
2015 printf("could not open '%s'\n", filename);
2016 return -1;
2017 }
2018 for(;;) {
2019 len = url_read(h, buffer, sizeof(buffer));
2020 if (len <= 0)
2021 break;
2022 for(i=0;i<len;i++) putchar(buffer[i]);
2023 }
2024 url_close(h);
2025 return 0;
2026 }
2027 #endif
2028
2029 static void opt_format(const char *arg)
2030 {
2031 /* compatibility stuff for pgmyuv */
2032 if (!strcmp(arg, "pgmyuv")) {
2033 pgmyuv_compatibility_hack=1;
2034 // opt_image_format(arg);
2035 arg = "image2";
2036 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2037 }
2038
2039 file_iformat = av_find_input_format(arg);
2040 file_oformat = guess_format(arg, NULL, NULL);
2041 if (!file_iformat && !file_oformat) {
2042 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2043 exit(1);
2044 }
2045 }
2046
2047 static void opt_video_rc_eq(char *arg)
2048 {
2049 video_rc_eq = arg;
2050 }
2051
2052 static void opt_video_rc_override_string(char *arg)
2053 {
2054 video_rc_override_string = arg;
2055 }
2056
2057 static void opt_me_threshold(const char *arg)
2058 {
2059 me_threshold = atoi(arg);
2060 }
2061
2062 static void opt_verbose(const char *arg)
2063 {
2064 verbose = atoi(arg);
2065 av_log_level = atoi(arg);
2066 }
2067
2068 static void opt_frame_rate(const char *arg)
2069 {
2070 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2071 fprintf(stderr, "Incorrect frame rate\n");
2072 exit(1);
2073 }
2074 }
2075
2076 static void opt_frame_crop_top(const char *arg)
2077 {
2078 frame_topBand = atoi(arg);
2079 if (frame_topBand < 0) {
2080 fprintf(stderr, "Incorrect top crop size\n");
2081 exit(1);
2082 }
2083 if ((frame_topBand % 2) != 0) {
2084 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2085 exit(1);
2086 }
2087 if ((frame_topBand) >= frame_height){
2088 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2089 exit(1);
2090 }
2091 frame_height -= frame_topBand;
2092 }
2093
2094 static void opt_frame_crop_bottom(const char *arg)
2095 {
2096 frame_bottomBand = atoi(arg);
2097 if (frame_bottomBand < 0) {
2098 fprintf(stderr, "Incorrect bottom crop size\n");
2099 exit(1);
2100 }
2101 if ((frame_bottomBand % 2) != 0) {
2102 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2103 exit(1);
2104 }
2105 if ((frame_bottomBand) >= frame_height){
2106 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2107 exit(1);
2108 }
2109 frame_height -= frame_bottomBand;
2110 }
2111
2112 static void opt_frame_crop_left(const char *arg)
2113 {
2114 frame_leftBand = atoi(arg);
2115 if (frame_leftBand < 0) {
2116 fprintf(stderr, "Incorrect left crop size\n");
2117 exit(1);
2118 }
2119 if ((frame_leftBand % 2) != 0) {
2120 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2121 exit(1);
2122 }
2123 if ((frame_leftBand) >= frame_width){
2124 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2125 exit(1);
2126 }
2127 frame_width -= frame_leftBand;
2128 }
2129
2130 static void opt_frame_crop_right(const char *arg)
2131 {
2132 frame_rightBand = atoi(arg);
2133 if (frame_rightBand < 0) {
2134 fprintf(stderr, "Incorrect right crop size\n");
2135 exit(1);
2136 }
2137 if ((frame_rightBand % 2) != 0) {
2138 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2139 exit(1);
2140 }
2141 if ((frame_rightBand) >= frame_width){
2142 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2143 exit(1);
2144 }
2145 frame_width -= frame_rightBand;
2146 }
2147
2148 static void opt_frame_size(const char *arg)
2149 {
2150 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2151 fprintf(stderr, "Incorrect frame size\n");
2152 exit(1);
2153 }
2154 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2155 fprintf(stderr, "Frame size must be a multiple of 2\n");
2156 exit(1);
2157 }
2158 }
2159
2160
2161 #define SCALEBITS 10
2162 #define ONE_HALF (1 << (SCALEBITS - 1))
2163 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2164
2165 #define RGB_TO_Y(r, g, b) \
2166 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2167 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2168
2169 #define RGB_TO_U(r1, g1, b1, shift)\
2170 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2171 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2172
2173 #define RGB_TO_V(r1, g1, b1, shift)\
2174 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2175 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2176
2177 static void opt_pad_color(const char *arg) {
2178 /* Input is expected to be six hex digits similar to
2179 how colors are expressed in html tags (but without the #) */
2180 int rgb = strtol(arg, NULL, 16);
2181 int r,g,b;
2182
2183 r = (rgb >> 16);
2184 g = ((rgb >> 8) & 255);
2185 b = (rgb & 255);
2186
2187 padcolor[0] = RGB_TO_Y(r,g,b);
2188 padcolor[1] = RGB_TO_U(r,g,b,0);
2189 padcolor[2] = RGB_TO_V(r,g,b,0);
2190 }
2191
2192 static void opt_frame_pad_top(const char *arg)
2193 {
2194 frame_padtop = atoi(arg);
2195 if (frame_padtop < 0) {
2196 fprintf(stderr, "Incorrect top pad size\n");
2197 exit(1);
2198 }
2199 if ((frame_padtop % 2) != 0) {
2200 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2201 exit(1);
2202 }
2203 }
2204
2205 static void opt_frame_pad_bottom(const char *arg)
2206 {
2207 frame_padbottom = atoi(arg);
2208 if (frame_padbottom < 0) {
2209 fprintf(stderr, "Incorrect bottom pad size\n");
2210 exit(1);
2211 }
2212 if ((frame_padbottom % 2) != 0) {
2213 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2214 exit(1);
2215 }
2216 }
2217
2218
2219 static void opt_frame_pad_left(const char *arg)
2220 {
2221 frame_padleft = atoi(arg);
2222 if (frame_padleft < 0) {
2223 fprintf(stderr, "Incorrect left pad size\n");
2224 exit(1);
2225 }
2226 if ((frame_padleft % 2) != 0) {
2227 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2228 exit(1);
2229 }
2230 }
2231
2232
2233 static void opt_frame_pad_right(const char *arg)
2234 {
2235 frame_padright = atoi(arg);
2236 if (frame_padright < 0) {
2237 fprintf(stderr, "Incorrect right pad size\n");
2238 exit(1);
2239 }
2240 if ((frame_padright % 2) != 0) {
2241 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2242 exit(1);
2243 }
2244 }
2245
2246 void list_pix_fmts(void)
2247 {
2248 int i;
2249 char pix_fmt_str[128];
2250 for (i=-1; i < PIX_FMT_NB; i++) {
2251 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2252 fprintf(stdout, "%s\n", pix_fmt_str);
2253 }
2254 }
2255
2256 static void opt_frame_pix_fmt(const char *arg)
2257 {
2258 if (strcmp(arg, "list"))
2259 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2260 else {
2261 list_pix_fmts();
2262 exit(0);
2263 }
2264 }
2265
2266 static void opt_frame_aspect_ratio(const char *arg)
2267 {
2268 int x = 0, y = 0;
2269 double ar = 0;
2270 const char *p;
2271
2272 p = strchr(arg, ':');
2273 if (p) {
2274 x = strtol(arg, (char **)&arg, 10);
2275 if (arg == p)
2276 y = strtol(arg+1, (char **)&arg, 10);
2277 if (x > 0 && y > 0)
2278 ar = (double)x / (double)y;
2279 } else
2280 ar = strtod(arg, (char **)&arg);
2281
2282 if (!ar) {
2283 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2284 exit(1);
2285 }
2286 frame_aspect_ratio = ar;
2287 }
2288
2289 static void opt_qscale(const char *arg)
2290 {
2291 video_qscale = atof(arg);
2292 if (video_qscale <= 0 ||
2293 video_qscale > 255) {
2294 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2295 exit(1);
2296 }
2297 }
2298
2299 static void opt_qdiff(const char *arg)
2300 {
2301 video_qdiff = atoi(arg);
2302 if (video_qdiff < 0 ||
2303 video_qdiff > 31) {
2304 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2305 exit(1);
2306 }
2307 }
2308
2309 static void opt_strict(const char *arg)
2310 {
2311 strict= atoi(arg);
2312 }
2313
2314 static void opt_top_field_first(const char *arg)
2315 {
2316 top_field_first= atoi(arg);
2317 }
2318
2319 static void opt_thread_count(const char *arg)
2320 {
2321 thread_count= atoi(arg);
2322 #if !defined(HAVE_THREADS)
2323 if (verbose >= 0)
2324 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2325 #endif
2326 }
2327
2328 static void opt_audio_rate(const char *arg)
2329 {
2330 audio_sample_rate = atoi(arg);
2331 }
2332
2333 static void opt_audio_channels(const char *arg)
2334 {
2335 audio_channels = atoi(arg);
2336 }
2337
2338 static void opt_video_channel(const char *arg)
2339 {
2340 video_channel = strtol(arg, NULL, 0);
2341 }
2342
2343 static void opt_video_standard(const char *arg)
2344 {
2345 video_standard = av_strdup(arg);
2346 }
2347
2348 static void opt_codec(int *pstream_copy, int *pcodec_id,
2349 int codec_type, const char *arg)
2350 {
2351 AVCodec *p;
2352
2353 if (!strcmp(arg, "copy")) {
2354 *pstream_copy = 1;
2355 } else {
2356 p = first_avcodec;
2357 while (p) {
2358 if (!strcmp(p->name, arg) && p->type == codec_type)
2359 break;
2360 p = p->next;
2361 }
2362 if (p == NULL) {
2363 fprintf(stderr, "Unknown codec '%s'\n", arg);
2364 exit(1);
2365 } else {
2366 *pcodec_id = p->id;
2367 }
2368 }
2369 }
2370
2371 static void opt_audio_codec(const char *arg)
2372 {
2373 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2374 }
2375
2376 static void opt_audio_tag(const char *arg)
2377 {
2378 char *tail;
2379 audio_codec_tag= strtol(arg, &tail, 0);
2380
2381 if(!tail || *tail)
2382 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2383 }
2384
2385 static void opt_video_tag(const char *arg)
2386 {
2387 char *tail;
2388 video_codec_tag= strtol(arg, &tail, 0);
2389
2390 if(!tail || *tail)
2391 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2392 }
2393
2394 static void add_frame_hooker(const char *arg)
2395 {
2396 int argc = 0;
2397 char *argv[64];
2398 int i;
2399 char *args = av_strdup(arg);
2400
2401 using_vhook = 1;
2402
2403 argv[0] = strtok(args, " ");
2404 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2405 }
2406
2407 i = frame_hook_add(argc, argv);
2408
2409 if (i != 0) {
2410 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2411 exit(1);
2412 }
2413 }
2414
2415 const char *motion_str[] = {
2416 "zero",
2417 "full",
2418 "log",
2419 "phods",
2420 "epzs",
2421 "x1",
2422 "hex",
2423 "umh",
2424 "iter",
2425 NULL,
2426 };
2427
2428 static void opt_motion_estimation(const char *arg)
2429 {
2430 const char **p;
2431 p = motion_str;
2432 for(;;) {
2433 if (!*p) {
2434 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2435 exit(1);
2436 }
2437 if (!strcmp(*p, arg))
2438 break;
2439 p++;
2440 }
2441 me_method = (p - motion_str) + 1;
2442 }
2443
2444 static void opt_video_codec(const char *arg)
2445 {
2446 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2447 }
2448
2449 static void opt_subtitle_codec(const char *arg)
2450 {
2451 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2452 }
2453
2454 static void opt_map(const char *arg)
2455 {
2456 AVStreamMap *m;
2457 const char *p;
2458
2459 p = arg;
2460 m = &stream_maps[nb_stream_maps++];
2461
2462 m->file_index = strtol(arg, (char **)&p, 0);
2463 if (*p)
2464 p++;
2465
2466 m->stream_index = strtol(p, (char **)&p, 0);
2467 if (*p) {
2468 p++;
2469 m->sync_file_index = strtol(p, (char **)&p, 0);
2470 if (*p)
2471 p++;
2472 m->sync_stream_index = strtol(p, (char **)&p, 0);
2473 } else {
2474 m->sync_file_index = m->file_index;
2475 m->sync_stream_index = m->stream_index;
2476 }
2477 }
2478
2479 static void opt_map_meta_data(const char *arg)
2480 {
2481 AVMetaDataMap *m;
2482 const char *p;
2483
2484 p = arg;
2485 m = &meta_data_maps[nb_meta_data_maps++];
2486
2487 m->out_file = strtol(arg, (char **)&p, 0);
2488 if (*p)
2489 p++;
2490
2491 m->in_file = strtol(p, (char **)&p, 0);
2492 }
2493
2494 static void opt_recording_time(const char *arg)
2495 {
2496 recording_time = parse_date(arg, 1);
2497 }
2498
2499 static void opt_start_time(const char *arg)
2500 {
2501 start_time = parse_date(arg, 1);
2502 }
2503
2504 static void opt_rec_timestamp(const char *arg)
2505 {
2506 rec_timestamp = parse_date(arg, 0) / 1000000;
2507 }
2508
2509 static void opt_input_ts_offset(const char *arg)
2510 {
2511 input_ts_offset = parse_date(arg, 1);
2512 }
2513
2514 static void opt_input_file(const char *filename)
2515 {
2516 AVFormatContext *ic;
2517 AVFormatParameters params, *ap = &params;
2518 int err, i, ret, rfps, rfps_base;
2519 int64_t timestamp;
2520
2521 if (!strcmp(filename, "-"))
2522 filename = "pipe:";
2523
2524 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2525 !strcmp( filename, "/dev/stdin" );
2526
2527 /* get default parameters from command line */
2528 ic = av_alloc_format_context();
2529
2530 memset(ap, 0, sizeof(*ap));
2531 ap->prealloced_context = 1;
2532 ap->sample_rate = audio_sample_rate;
2533 ap->channels = audio_channels;
2534 ap->time_base.den = frame_rate;
2535 ap->time_base.num = frame_rate_base;
2536 ap->width = frame_width + frame_padleft + frame_padright;
2537 ap->height = frame_height + frame_padtop + frame_padbottom;
2538 ap->pix_fmt = frame_pix_fmt;
2539 ap->channel = video_channel;
2540 ap->standard = video_standard;
2541 ap->video_codec_id = video_codec_id;
2542 ap->audio_codec_id = audio_codec_id;
2543 if(pgmyuv_compatibility_hack)
2544 ap->video_codec_id= CODEC_ID_PGMYUV;
2545
2546 for(i=0; i<opt_name_count; i++){
2547 const AVOption *opt;
2548 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2549 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2550 av_set_double(ic, opt_names[i], d);
2551 }
2552 /* open the input file with generic libav function */
2553 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2554 if (err < 0) {
2555 print_error(filename, err);
2556 exit(1);
2557 }
2558
2559 ic->loop_input = loop_input;
2560
2561 /* If not enough info to get the stream parameters, we decode the
2562 first frames to get it. (used in mpeg case for example) */
2563 ret = av_find_stream_info(ic);
2564 if (ret < 0 && verbose >= 0) {
2565 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2566 exit(1);
2567 }
2568
2569 timestamp = start_time;
2570 /* add the stream start time */
2571 if (ic->start_time != AV_NOPTS_VALUE)
2572 timestamp += ic->start_time;
2573
2574 /* if seeking requested, we execute it */
2575 if (start_time != 0) {
2576 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2577 if (ret < 0) {
2578 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2579 filename, (double)timestamp / AV_TIME_BASE);
2580 }
2581 /* reset seek info */
2582 start_time = 0;
2583 }
2584
2585 /* update the current parameters so that they match the one of the input stream */
2586 for(i=0;i<ic->nb_streams;i++) {
2587 int j;
2588 AVCodecContext *enc = ic->streams[i]->codec;
2589 if(thread_count>1)
2590 avcodec_thread_init(enc, thread_count);
2591 enc->thread_count= thread_count;
2592 switch(enc->codec_type) {
2593 case CODEC_TYPE_AUDIO:
2594 for(j=0; j<opt_name_count; j++){
2595 const AVOption *opt;
2596 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2597 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2598 av_set_double(enc, opt_names[j], d);
2599 }
2600 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2601 audio_channels = enc->channels;
2602 audio_sample_rate = enc->sample_rate;
2603 if(audio_disable)
2604 ic->streams[i]->discard= AVDISCARD_ALL;
2605 break;
2606 case CODEC_TYPE_VIDEO:
2607 for(j=0; j<opt_name_count; j++){
2608 const AVOption *opt;
2609 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2610 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2611 av_set_double(enc, opt_names[j], d);
2612 }
2613 frame_height = enc->height;
2614 frame_width = enc->width;
2615 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2616 frame_pix_fmt = enc->pix_fmt;
2617 rfps = ic->streams[i]->r_frame_rate.num;
2618 rfps_base = ic->streams[i]->r_frame_rate.den;
2619 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2620 if(me_threshold)
2621 enc->debug |= FF_DEBUG_MV;
2622
2623 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2624
2625 if (verbose >= 0)
2626 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2627 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2628
2629 (float)rfps / rfps_base, rfps, rfps_base);
2630 }
2631 /* update the current frame rate to match the stream frame rate */
2632 frame_rate = rfps;
2633 frame_rate_base = rfps_base;
2634
2635 enc->rate_emu = rate_emu;
2636 if(video_disable)
2637 ic->streams[i]->discard= AVDISCARD_ALL;
2638 else if(video_discard)
2639 ic->streams[i]->discard= video_discard;
2640 break;
2641 case CODEC_TYPE_DATA:
2642 break;
2643 case CODEC_TYPE_SUBTITLE:
2644 break;
2645 case CODEC_TYPE_UNKNOWN:
2646 break;
2647 default:
2648 av_abort();
2649 }
2650 }
2651
2652 input_files[nb_input_files] = ic;
2653 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2654 /* dump the file content */
2655 if (verbose >= 0)
2656 dump_format(ic, nb_input_files, filename, 0);
2657
2658 nb_input_files++;
2659 file_iformat = NULL;
2660 file_oformat = NULL;
2661
2662 video_channel = 0;
2663
2664 rate_emu = 0;
2665 }
2666
2667 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2668 {
2669 int has_video, has_audio, i, j;
2670 AVFormatContext *ic;
2671
2672 has_video = 0;
2673 has_audio = 0;
2674 for(j=0;j<nb_input_files;j++) {
2675 ic = input_files[j];
2676 for(i=0;i<ic->nb_streams;i++) {
2677 AVCodecContext *enc = ic->streams[i]->codec;
2678 switch(enc->codec_type) {
2679 case CODEC_TYPE_AUDIO:
2680 has_audio = 1;
2681 break;
2682 case CODEC_TYPE_VIDEO:
2683 has_video = 1;
2684 break;
2685 case CODEC_TYPE_DATA:
2686 case CODEC_TYPE_UNKNOWN:
2687 case CODEC_TYPE_SUBTITLE:
2688 break;
2689 default:
2690 av_abort();
2691 }
2692 }
2693 }
2694 *has_video_ptr = has_video;
2695 *has_audio_ptr = has_audio;
2696 }
2697
2698 static void new_video_stream(AVFormatContext *oc)
2699 {
2700 AVStream *st;
2701 AVCodecContext *video_enc;
2702 int codec_id;
2703
2704 st = av_new_stream(oc, oc->nb_streams);
2705 if (!st) {
2706 fprintf(stderr, "Could not alloc stream\n");
2707 exit(1);
2708 }
2709 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2710 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2711 video_bitstream_filters= NULL;
2712
2713 if(thread_count>1)
2714 avcodec_thread_init(st->codec, thread_count);
2715
2716 video_enc = st->codec;
2717
2718 if(video_codec_tag)
2719 video_enc->codec_tag= video_codec_tag;
2720
2721 if( (video_global_header&1)
2722 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2723 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2724 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2725 }
2726 if(video_global_header&2){
2727 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2728 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2729 }
2730
2731 if (video_stream_copy) {
2732 st->stream_copy = 1;
2733 video_enc->codec_type = CODEC_TYPE_VIDEO;
2734 } else {
2735 char *p;
2736 int i;
2737 AVCodec *codec;
2738
2739 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2740 if (video_codec_id != CODEC_ID_NONE)
2741 codec_id = video_codec_id;
2742
2743 video_enc->codec_id = codec_id;
2744 codec = avcodec_find_encoder(codec_id);
2745
2746 for(i=0; i<opt_name_count; i++){
2747 const AVOption *opt;
2748 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2749 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2750 av_set_double(video_enc, opt_names[i], d);
2751 }
2752
2753 video_enc->time_base.den = frame_rate;
2754 video_enc->time_base.num = frame_rate_base;
2755 if(codec && codec->supported_framerates){
2756 const AVRational *p= codec->supported_framerates;
2757 AVRational req= (AVRational){frame_rate, frame_rate_base};
2758 const AVRational *best=NULL;
2759 AVRational best_error= (AVRational){INT_MAX, 1};
2760 for(; p->den!=0; p++){
2761 AVRational error= av_sub_q(req, *p);
2762 if(error.num <0) error.num *= -1;
2763 if(av_cmp_q(error, best_error) < 0){
2764 best_error= error;
2765 best= p;
2766 }
2767 }
2768 video_enc->time_base.den= best->num;
2769 video_enc->time_base.num= best->den;
2770 }
2771
2772 video_enc->width = frame_width + frame_padright + frame_padleft;
2773 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2774 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2775 video_enc->pix_fmt = frame_pix_fmt;
2776
2777 if(codec && codec->pix_fmts){
2778 const enum PixelFormat *p= codec->pix_fmts;
2779 for(; *p!=-1; p++){
2780 if(*p == video_enc->pix_fmt)
2781 break;
2782 }
2783 if(*p == -1)
2784 video_enc->pix_fmt = codec->pix_fmts[0];
2785 }
2786
2787 if (intra_only)
2788 video_enc->gop_size = 0;
2789 if (video_qscale || same_quality) {
2790 video_enc->flags |= CODEC_FLAG_QSCALE;
2791 video_enc->global_quality=
2792 st->quality = FF_QP2LAMBDA * video_qscale;
2793 }
2794
2795 if(intra_matrix)
2796 video_enc->intra_matrix = intra_matrix;
2797 if(inter_matrix)
2798 video_enc->inter_matrix = inter_matrix;
2799
2800 video_enc->max_qdiff = video_qdiff;
2801 video_enc->rc_eq = video_rc_eq;
2802 video_enc->thread_count = thread_count;
2803 p= video_rc_override_string;
2804 for(i=0; p; i++){
2805 int start, end, q;
2806 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2807 if(e!=3){
2808 fprintf(stderr, "error parsing rc_override\n");
2809 exit(1);
2810 }
2811 video_enc->rc_override=
2812 av_realloc(video_enc->rc_override,
2813 sizeof(RcOverride)*(i+1));
2814 video_enc->rc_override[i].start_frame= start;
2815 video_enc->rc_override[i].end_frame = end;
2816 if(q>0){
2817 video_enc->rc_override[i].qscale= q;
2818 video_enc->rc_override[i].quality_factor= 1.0;
2819 }
2820 else{
2821 video_enc->rc_override[i].qscale= 0;
2822 video_enc->rc_override[i].quality_factor= -q/100.0;
2823 }
2824 p= strchr(p, '/');
2825 if(p) p++;
2826 }
2827 video_enc->rc_override_count=i;
2828 if (!video_enc->rc_initial_buffer_occupancy)
2829 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2830 video_enc->me_threshold= me_threshold;
2831 video_enc->intra_dc_precision= intra_dc_precision - 8;
2832 video_enc->strict_std_compliance = strict;
2833
2834 if (do_psnr)
2835 video_enc->flags|= CODEC_FLAG_PSNR;
2836
2837 video_enc->me_method = me_method;
2838
2839 /* two pass mode */
2840 if (do_pass) {
2841 if (do_pass == 1) {
2842 video_enc->flags |= CODEC_FLAG_PASS1;
2843 } else {
2844 video_enc->flags |= CODEC_FLAG_PASS2;
2845 }
2846 }
2847 }
2848
2849 /* reset some key parameters */
2850 video_disable = 0;
2851 video_codec_id = CODEC_ID_NONE;
2852 video_stream_copy = 0;
2853 }
2854
2855 static void new_audio_stream(AVFormatContext *oc)
2856 {
2857 AVStream *st;
2858 AVCodecContext *audio_enc;
2859 int codec_id, i;
2860
2861 st = av_new_stream(oc, oc->nb_streams);
2862 if (!st) {
2863 fprintf(stderr, "Could not alloc stream\n");
2864 exit(1);
2865 }
2866 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2867
2868 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2869 audio_bitstream_filters= NULL;
2870
2871 if(thread_count>1)
2872 avcodec_thread_init(st->codec, thread_count);
2873
2874 audio_enc = st->codec;
2875 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2876 audio_enc->strict_std_compliance = strict;
2877
2878 if(audio_codec_tag)
2879 audio_enc->codec_tag= audio_codec_tag;
2880
2881 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2882 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2883 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2884 }
2885 if (audio_stream_copy) {
2886 st->stream_copy = 1;
2887 audio_enc->channels = audio_channels;
2888 } else {
2889 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2890
2891 for(i=0; i<opt_name_count; i++){
2892 const AVOption *opt;
2893 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2894 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2895 av_set_double(audio_enc, opt_names[i], d);
2896 }
2897
2898 if (audio_codec_id != CODEC_ID_NONE)
2899 codec_id = audio_codec_id;
2900 audio_enc->codec_id = codec_id;
2901
2902 if (audio_qscale > QSCALE_NONE) {
2903 audio_enc->flags |= CODEC_FLAG_QSCALE;
2904 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2905 }
2906 audio_enc->thread_count = thread_count;
2907 audio_enc->channels = audio_channels;
2908 }
2909 audio_enc->sample_rate = audio_sample_rate;
2910 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2911 if (audio_language) {
2912 pstrcpy(st->language, sizeof(st->language), audio_language);
2913 av_free(audio_language);
2914 audio_language = NULL;
2915 }
2916
2917 /* reset some key parameters */
2918 audio_disable = 0;
2919 audio_codec_id = CODEC_ID_NONE;
2920 audio_stream_copy = 0;
2921 }
2922
2923 static void opt_new_subtitle_stream(void)
2924 {
2925 AVFormatContext *oc;
2926 AVStream *st;
2927 AVCodecContext *subtitle_enc;
2928 int i;
2929
2930 if (nb_output_files <= 0) {
2931 fprintf(stderr, "At least one output file must be specified\n");
2932 exit(1);
2933 }
2934 oc = output_files[nb_output_files - 1];
2935
2936 st = av_new_stream(oc, oc->nb_streams);
2937 if (!st) {
2938 fprintf(stderr, "Could not alloc stream\n");
2939 exit(1);
2940 }
2941 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2942
2943 subtitle_enc = st->codec;
2944 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2945 if (subtitle_stream_copy) {
2946 st->stream_copy = 1;
2947 } else {
2948 for(i=0; i<opt_name_count; i++){
2949 const AVOption *opt;
2950 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2951 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2952 av_set_double(subtitle_enc, opt_names[i], d);
2953 }
2954 subtitle_enc->codec_id = subtitle_codec_id;
2955 }
2956
2957 if (subtitle_language) {
2958 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2959 av_free(subtitle_language);
2960 subtitle_language = NULL;
2961 }
2962
2963 subtitle_codec_id = CODEC_ID_NONE;
2964 subtitle_stream_copy = 0;
2965 }
2966
2967 static void opt_new_audio_stream(void)
2968 {
2969 AVFormatContext *oc;
2970 if (nb_output_files <= 0) {
2971 fprintf(stderr, "At least one output file must be specified\n");
2972 exit(1);
2973 }
2974 oc = output_files[nb_output_files - 1];
2975 new_audio_stream(oc);
2976 }
2977
2978 static void opt_new_video_stream(void)
2979 {
2980 AVFormatContext *oc;
2981 if (nb_output_files <= 0) {
2982 fprintf(stderr, "At least one output file must be specified\n");
2983 exit(1);
2984 }
2985 oc = output_files[nb_output_files - 1];
2986 new_video_stream(oc);
2987 }
2988
2989 static void opt_output_file(const char *filename)
2990 {
2991 AVFormatContext *oc;
2992 int use_video, use_audio, input_has_video, input_has_audio, i;
2993 AVFormatParameters params, *ap = &params;
2994
2995 if (!strcmp(filename, "-"))
2996 filename = "pipe:";
2997
2998 oc = av_alloc_format_context();
2999
3000 if (!file_oformat) {
3001 file_oformat = guess_format(NULL, filename, NULL);
3002 if (!file_oformat) {
3003 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3004 filename);
3005 exit(1);
3006 }
3007 }
3008
3009 oc->oformat = file_oformat;
3010 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3011
3012 if (!strcmp(file_oformat->name, "ffm") &&
3013 strstart(filename, "http:", NULL)) {
3014 /* special case for files sent to ffserver: we get the stream
3015 parameters from ffserver */
3016 if (read_ffserver_streams(oc, filename) < 0) {
3017 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3018 exit(1);
3019 }
3020 } else {
3021 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3022 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3023
3024 /* disable if no corresponding type found and at least one
3025 input file */
3026 if (nb_input_files > 0) {
3027 check_audio_video_inputs(&input_has_video, &input_has_audio);
3028 if (!input_has_video)
3029 use_video = 0;
3030 if (!input_has_audio)
3031 use_audio = 0;
3032 }
3033
3034 /* manual disable */
3035 if (audio_disable) {
3036 use_audio = 0;
3037 }
3038 if (video_disable) {
3039 use_video = 0;
3040 }
3041
3042 if (use_video) {
3043 new_video_stream(oc);
3044 }
3045
3046 if (use_audio) {
3047 new_audio_stream(oc);
3048 }
3049
3050 oc->timestamp = rec_timestamp;
3051
3052 if (str_title)
3053 pstrcpy(oc->title, sizeof(oc->title), str_title);
3054 if (str_author)
3055 pstrcpy(oc->author, sizeof(oc->author), str_author);
3056 if (str_copyright)
3057 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3058 if (str_comment)
3059 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3060 if (str_album)
3061 pstrcpy(oc->album, sizeof(oc->album), str_album);
3062 }
3063
3064 output_files[nb_output_files++] = oc;
3065
3066 /* check filename in case of an image number is expected */
3067 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3068 if (!av_filename_number_test(oc->filename)) {
3069 print_error(oc->filename, AVERROR_NUMEXPECTED);
3070 exit(1);
3071 }
3072 }
3073
3074 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3075 /* test if it already exists to avoid loosing precious files */
3076 if (!file_overwrite &&
3077 (strchr(filename, ':') == NULL ||
3078 strstart(filename, "file:", NULL))) {
3079 if (url_exist(filename)) {
3080 int c;
3081
3082 if ( !using_stdin ) {
3083 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3084 fflush(stderr);
3085 c = getchar();
3086 if (toupper(c) != 'Y') {
3087 fprintf(stderr, "Not overwriting - exiting\n");
3088 exit(1);
3089 }
3090 }
3091 else {
3092 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3093 exit(1);
3094 }
3095 }
3096 }
3097
3098 /* open the file */
3099 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3100 fprintf(stderr, "Could not open '%s'\n", filename);
3101 exit(1);
3102 }
3103 }
3104
3105 memset(ap, 0, sizeof(*ap));
3106 if (av_set_parameters(oc, ap) < 0) {
3107 fprintf(stderr, "%s: Invalid encoding parameters\n",
3108 oc->filename);
3109 exit(1);
3110 }
3111
3112 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3113 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3114 oc->loop_output = loop_output;
3115
3116 for(i=0; i<opt_name_count; i++){
3117 const AVOption *opt;
3118 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3119 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3120 av_set_double(oc, opt_names[i], d);
3121 }
3122
3123 /* reset some options */
3124 file_oformat = NULL;
3125 file_iformat = NULL;
3126 }
3127
3128 /* same option as mencoder */
3129 static void opt_pass(const char *pass_str)
3130 {
3131 int pass;
3132 pass = atoi(pass_str);
3133 if (pass != 1 && pass != 2) {
3134 fprintf(stderr, "pass number can be only 1 or 2\n");
3135 exit(1);
3136 }
3137 do_pass = pass;
3138 }
3139
3140 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3141 static int64_t getutime(void)
3142 {
3143 return av_gettime();
3144 }
3145 #else
3146 static int64_t getutime(void)
3147 {
3148 struct rusage rusage;
3149
3150 getrusage(RUSAGE_SELF, &rusage);
3151 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3152 }
3153 #endif
3154
3155 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3156 extern int ffm_nopts;
3157 #endif
3158
3159 static void show_formats(void)
3160 {
3161 AVInputFormat *ifmt;
3162 AVOutputFormat *ofmt;
3163 URLProtocol *up;
3164 AVCodec *p, *p2;
3165 const char **pp, *last_name;
3166
3167 printf("File formats:\n");
3168 last_name= "000";
3169 for(;;){
3170 int decode=0;
3171 int encode=0;
3172 const char *name=NULL;
3173 const char *long_name=NULL;
3174
3175 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3176 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3177 strcmp(ofmt->name, last_name)>0){
3178 name= ofmt->name;
3179 long_name= ofmt->long_name;
3180 encode=1;
3181 }
3182 }
3183 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3184 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3185 strcmp(ifmt->name, last_name)>0){
3186 name= ifmt->name;
3187 long_name= ifmt->long_name;
3188 encode=0;
3189 }
3190 if(name && strcmp(ifmt->name, name)==0)
3191 decode=1;
3192 }
3193 if(name==NULL)
3194 break;
3195 last_name= name;
3196
3197 printf(
3198 " %s%s %-15s %s\n",
3199 decode ? "D":" ",
3200 encode ? "E":" ",
3201 name,
3202 long_name ? long_name:" ");
3203 }
3204 printf("\n");
3205
3206 printf("Codecs:\n");
3207 last_name= "000";
3208 for(;;){
3209 int decode=0;
3210 int encode=0;
3211 int cap=0;
3212 const char *type_str;
3213
3214 p2=NULL;
3215 for(p = first_avcodec; p != NULL; p = p->next) {
3216 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3217 strcmp(p->name, last_name)>0){
3218 p2= p;
3219 decode= encode= cap=0;
3220 }
3221 if(p2 && strcmp(p->name, p2->name)==0){
3222 if(p->decode) decode=1;
3223 if(p->encode) encode=1;
3224 cap |= p->capabilities;
3225 }
3226 }
3227 if(p2==NULL)
3228 break;
3229 last_name= p2->name;
3230
3231 switch(p2->type) {
3232 case CODEC_TYPE_VIDEO:
3233 type_str = "V";
3234 break;
3235 case CODEC_TYPE_AUDIO:
3236 type_str = "A";
3237 break;
3238 case CODEC_TYPE_SUBTITLE:
3239 type_str = "S";
3240 break;
3241 default:
3242 type_str = "?";
3243 break;
3244 }
3245 printf(
3246 " %s%s%s%s%s%s %s",
3247 decode ? "D": (/*p2->decoder ? "d":*/" "),
3248 encode ? "E":" ",
3249 type_str,
3250