33c49fafd2530765486d849ae6b81677ae883f3b
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include "avformat.h"
31 #include "swscale.h"
32 #include "framehook.h"
33 #include "opt.h"
34 #include "fifo.h"
35 #include "avstring.h"
36
37 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
38 #include <windows.h>
39 #endif
40
41 #if defined(HAVE_TERMIOS_H)
42 #include <unistd.h>
43 #include <fcntl.h>
44 #include <sys/ioctl.h>
45 #include <sys/time.h>
46 #include <termios.h>
47 #include <sys/resource.h>
48 #elif defined(HAVE_CONIO_H)
49 #include <conio.h>
50 #endif
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
52 #include <time.h>
53
54 #include "version.h"
55 #include "cmdutils.h"
56
57 #undef NDEBUG
58 #include <assert.h>
59
60 #if !defined(INFINITY) && defined(HUGE_VAL)
61 #define INFINITY HUGE_VAL
62 #endif
63
64 #undef exit
65
66 /* select an input stream for an output stream */
67 typedef struct AVStreamMap {
68 int file_index;
69 int stream_index;
70 int sync_file_index;
71 int sync_stream_index;
72 } AVStreamMap;
73
74 /** select an input file for an output file */
75 typedef struct AVMetaDataMap {
76 int out_file;
77 int in_file;
78 } AVMetaDataMap;
79
80 extern const OptionDef options[];
81
82 static void show_help(void);
83 static void opt_show_license(void);
84 static int opt_default(const char *opt, const char *arg);
85
86 #define MAX_FILES 20
87
88 static AVFormatContext *input_files[MAX_FILES];
89 static int64_t input_files_ts_offset[MAX_FILES];
90 static int nb_input_files = 0;
91
92 static AVFormatContext *output_files[MAX_FILES];
93 static int nb_output_files = 0;
94
95 static AVStreamMap stream_maps[MAX_FILES];
96 static int nb_stream_maps;
97
98 static AVMetaDataMap meta_data_maps[MAX_FILES];
99 static int nb_meta_data_maps;
100
101 static AVInputFormat *file_iformat;
102 static AVOutputFormat *file_oformat;
103 static int frame_width = 0;
104 static int frame_height = 0;
105 static float frame_aspect_ratio = 0;
106 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107 static int frame_padtop = 0;
108 static int frame_padbottom = 0;
109 static int frame_padleft = 0;
110 static int frame_padright = 0;
111 static int padcolor[3] = {16,128,128}; /* default to black */
112 static int frame_topBand = 0;
113 static int frame_bottomBand = 0;
114 static int frame_leftBand = 0;
115 static int frame_rightBand = 0;
116 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117 static AVRational frame_rate = (AVRational) {25,1};
118 static float video_qscale = 0;
119 static int video_qdiff = 3;
120 static uint16_t *intra_matrix = NULL;
121 static uint16_t *inter_matrix = NULL;
122 #if 0 //experimental, (can be removed)
123 static float video_rc_qsquish=1.0;
124 static float video_rc_qmod_amp=0;
125 static int video_rc_qmod_freq=0;
126 #endif
127 static char *video_rc_override_string=NULL;
128 static char *video_rc_eq="tex^qComp";
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
142
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
152
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
156
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
159
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static float audio_drift_threshold= 0.1;
182 static int copy_ts= 0;
183 static int opt_shortest = 0; //
184 static int video_global_header = 0;
185 static char *vstats_filename;
186 static FILE *fvstats;
187
188 static int rate_emu = 0;
189
190 static int video_channel = 0;
191 static char *video_standard;
192
193 static int audio_volume = 256;
194
195 static int using_stdin = 0;
196 static int using_vhook = 0;
197 static int verbose = 1;
198 static int thread_count= 1;
199 static int q_pressed = 0;
200 static int64_t video_size = 0;
201 static int64_t audio_size = 0;
202 static int64_t extra_size = 0;
203 static int nb_frames_dup = 0;
204 static int nb_frames_drop = 0;
205 static int input_sync;
206 static uint64_t limit_filesize = 0; //
207
208 static int pgmyuv_compatibility_hack=0;
209 static float dts_delta_threshold = 10;
210
211 static int sws_flags = SWS_BICUBIC;
212
213 static const char **opt_names;
214 static int opt_name_count;
215 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216 static AVFormatContext *avformat_opts;
217 static struct SwsContext *sws_opts;
218 static int64_t timer_start;
219
220 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223
224 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225
226 struct AVInputStream;
227
228 typedef struct AVOutputStream {
229 int file_index; /* file index */
230 int index; /* stream index in the output file */
231 int source_index; /* AVInputStream index */
232 AVStream *st; /* stream in the output file */
233 int encoding_needed; /* true if encoding needed for this stream */
234 int frame_number;
235 /* input pts and corresponding output pts
236 for A/V sync */
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct AVInputStream *sync_ist; /* input stream to sync against */
239 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240 /* video only */
241 int video_resample;
242 AVFrame pict_tmp; /* temporary image for resampling */
243 struct SwsContext *img_resample_ctx; /* for image resampling */
244 int resample_height;
245
246 int video_crop;
247 int topBand; /* cropping area sizes */
248 int leftBand;
249
250 int video_pad;
251 int padtop; /* padding area sizes */
252 int padbottom;
253 int padleft;
254 int padright;
255
256 /* audio only */
257 int audio_resample;
258 ReSampleContext *resample; /* for audio resampling */
259 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
260 FILE *logfile;
261 } AVOutputStream;
262
263 typedef struct AVInputStream {
264 int file_index;
265 int index;
266 AVStream *st;
267 int discard; /* true if stream data should be discarded */
268 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
269 int64_t sample_index; /* current sample */
270
271 int64_t start; /* time when read started */
272 unsigned long frame; /* current frame */
273 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 is not defined */
275 int64_t pts; /* current pts */
276 int is_start; /* is 1 at the start and after a discontinuity */
277 } AVInputStream;
278
279 typedef struct AVInputFile {
280 int eof_reached; /* true if eof reached */
281 int ist_index; /* index of first stream in ist_table */
282 int buffer_size; /* current total buffer size */
283 int nb_streams; /* nb streams we are aware of */
284 } AVInputFile;
285
286 #ifdef HAVE_TERMIOS_H
287
288 /* init terminal so that we can grab keys */
289 static struct termios oldtty;
290 #endif
291
292 static void term_exit(void)
293 {
294 #ifdef HAVE_TERMIOS_H
295 tcsetattr (0, TCSANOW, &oldtty);
296 #endif
297 }
298
299 static volatile sig_atomic_t received_sigterm = 0;
300
301 static void
302 sigterm_handler(int sig)
303 {
304 received_sigterm = sig;
305 term_exit();
306 }
307
308 static void term_init(void)
309 {
310 #ifdef HAVE_TERMIOS_H
311 struct termios tty;
312
313 tcgetattr (0, &tty);
314 oldtty = tty;
315
316 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
317 |INLCR|IGNCR|ICRNL|IXON);
318 tty.c_oflag |= OPOST;
319 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
320 tty.c_cflag &= ~(CSIZE|PARENB);
321 tty.c_cflag |= CS8;
322 tty.c_cc[VMIN] = 1;
323 tty.c_cc[VTIME] = 0;
324
325 tcsetattr (0, TCSANOW, &tty);
326 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
327 #endif
328
329 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
330 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 /*
332 register a function to be called at normal program termination
333 */
334 atexit(term_exit);
335 #ifdef CONFIG_BEOS_NETSERVER
336 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
337 #endif
338 }
339
340 /* read a key without blocking */
341 static int read_key(void)
342 {
343 #if defined(HAVE_TERMIOS_H)
344 int n = 1;
345 unsigned char ch;
346 #ifndef CONFIG_BEOS_NETSERVER
347 struct timeval tv;
348 fd_set rfds;
349
350 FD_ZERO(&rfds);
351 FD_SET(0, &rfds);
352 tv.tv_sec = 0;
353 tv.tv_usec = 0;
354 n = select(1, &rfds, NULL, NULL, &tv);
355 #endif
356 if (n > 0) {
357 n = read(0, &ch, 1);
358 if (n == 1)
359 return ch;
360
361 return n;
362 }
363 #elif defined(HAVE_CONIO_H)
364 if(kbhit())
365 return(getch());
366 #endif
367 return -1;
368 }
369
370 static int decode_interrupt_cb(void)
371 {
372 return q_pressed || (q_pressed = read_key() == 'q');
373 }
374
375 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
376 {
377 int i, err;
378 AVFormatContext *ic;
379
380 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
381 if (err < 0)
382 return err;
383 /* copy stream format */
384 s->nb_streams = ic->nb_streams;
385 for(i=0;i<ic->nb_streams;i++) {
386 AVStream *st;
387
388 // FIXME: a more elegant solution is needed
389 st = av_mallocz(sizeof(AVStream));
390 memcpy(st, ic->streams[i], sizeof(AVStream));
391 st->codec = avcodec_alloc_context();
392 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
393 s->streams[i] = st;
394 }
395
396 av_close_input_file(ic);
397 return 0;
398 }
399
400 static double
401 get_sync_ipts(const AVOutputStream *ost)
402 {
403 const AVInputStream *ist = ost->sync_ist;
404 return (double)(ist->pts - start_time)/AV_TIME_BASE;
405 }
406
407 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
408 while(bsfc){
409 AVPacket new_pkt= *pkt;
410 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
411 &new_pkt.data, &new_pkt.size,
412 pkt->data, pkt->size,
413 pkt->flags & PKT_FLAG_KEY);
414 if(a){
415 av_free_packet(pkt);
416 new_pkt.destruct= av_destruct_packet;
417 }
418 *pkt= new_pkt;
419
420 bsfc= bsfc->next;
421 }
422
423 av_interleaved_write_frame(s, pkt);
424 }
425
426 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
427
428 static void do_audio_out(AVFormatContext *s,
429 AVOutputStream *ost,
430 AVInputStream *ist,
431 unsigned char *buf, int size)
432 {
433 uint8_t *buftmp;
434 static uint8_t *audio_buf = NULL;
435 static uint8_t *audio_out = NULL;
436 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
437
438 int size_out, frame_bytes, ret;
439 AVCodecContext *enc= ost->st->codec;
440
441 /* SC: dynamic allocation of buffers */
442 if (!audio_buf)
443 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
444 if (!audio_out)
445 audio_out = av_malloc(audio_out_size);
446 if (!audio_buf || !audio_out)
447 return; /* Should signal an error ! */
448
449 if(audio_sync_method){
450 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
451 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
452 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
453 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
454
455 //FIXME resample delay
456 if(fabs(delta) > 50){
457 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
458 if(byte_delta < 0){
459 byte_delta= FFMAX(byte_delta, -size);
460 size += byte_delta;
461 buf -= byte_delta;
462 if(verbose > 2)
463 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
464 if(!size)
465 return;
466 ist->is_start=0;
467 }else{
468 static uint8_t *input_tmp= NULL;
469 input_tmp= av_realloc(input_tmp, byte_delta + size);
470
471 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
472 ist->is_start=0;
473 else
474 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
475
476 memset(input_tmp, 0, byte_delta);
477 memcpy(input_tmp + byte_delta, buf, size);
478 buf= input_tmp;
479 size += byte_delta;
480 if(verbose > 2)
481 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
482 }
483 }else if(audio_sync_method>1){
484 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
485 assert(ost->audio_resample);
486 if(verbose > 2)
487 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
488 // 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));
489 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
490 }
491 }
492 }else
493 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
494 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
495
496 if (ost->audio_resample) {
497 buftmp = audio_buf;
498 size_out = audio_resample(ost->resample,
499 (short *)buftmp, (short *)buf,
500 size / (ist->st->codec->channels * 2));
501 size_out = size_out * enc->channels * 2;
502 } else {
503 buftmp = buf;
504 size_out = size;
505 }
506
507 /* now encode as many frames as possible */
508 if (enc->frame_size > 1) {
509 /* output resampled raw samples */
510 av_fifo_write(&ost->fifo, buftmp, size_out);
511
512 frame_bytes = enc->frame_size * 2 * enc->channels;
513
514 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
515 AVPacket pkt;
516 av_init_packet(&pkt);
517
518 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
519 (short *)audio_buf);
520 audio_size += ret;
521 pkt.stream_index= ost->index;
522 pkt.data= audio_out;
523 pkt.size= ret;
524 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
525 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
526 pkt.flags |= PKT_FLAG_KEY;
527 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
528
529 ost->sync_opts += enc->frame_size;
530 }
531 } else {
532 AVPacket pkt;
533 av_init_packet(&pkt);
534
535 ost->sync_opts += size_out / (2 * enc->channels);
536
537 /* output a pcm frame */
538 /* XXX: change encoding codec API to avoid this ? */
539 switch(enc->codec->id) {
540 case CODEC_ID_PCM_S32LE:
541 case CODEC_ID_PCM_S32BE:
542 case CODEC_ID_PCM_U32LE:
543 case CODEC_ID_PCM_U32BE:
544 size_out = size_out << 1;
545 break;
546 case CODEC_ID_PCM_S24LE:
547 case CODEC_ID_PCM_S24BE:
548 case CODEC_ID_PCM_U24LE:
549 case CODEC_ID_PCM_U24BE:
550 case CODEC_ID_PCM_S24DAUD:
551 size_out = size_out / 2 * 3;
552 break;
553 case CODEC_ID_PCM_S16LE:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_U16LE:
556 case CODEC_ID_PCM_U16BE:
557 break;
558 default:
559 size_out = size_out >> 1;
560 break;
561 }
562 ret = avcodec_encode_audio(enc, audio_out, size_out,
563 (short *)buftmp);
564 audio_size += ret;
565 pkt.stream_index= ost->index;
566 pkt.data= audio_out;
567 pkt.size= ret;
568 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
569 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
570 pkt.flags |= PKT_FLAG_KEY;
571 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
572 }
573 }
574
575 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
576 {
577 AVCodecContext *dec;
578 AVPicture *picture2;
579 AVPicture picture_tmp;
580 uint8_t *buf = 0;
581
582 dec = ist->st->codec;
583
584 /* deinterlace : must be done before any resize */
585 if (do_deinterlace || using_vhook) {
586 int size;
587
588 /* create temporary picture */
589 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
590 buf = av_malloc(size);
591 if (!buf)
592 return;
593
594 picture2 = &picture_tmp;
595 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
596
597 if (do_deinterlace){
598 if(avpicture_deinterlace(picture2, picture,
599 dec->pix_fmt, dec->width, dec->height) < 0) {
600 /* if error, do not deinterlace */
601 av_free(buf);
602 buf = NULL;
603 picture2 = picture;
604 }
605 } else {
606 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
607 }
608 } else {
609 picture2 = picture;
610 }
611
612 if (ENABLE_VHOOK)
613 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
614 1000000 * ist->pts / AV_TIME_BASE);
615
616 if (picture != picture2)
617 *picture = *picture2;
618 *bufp = buf;
619 }
620
621 /* we begin to correct av delay at this threshold */
622 #define AV_DELAY_MAX 0.100
623
624 static void do_subtitle_out(AVFormatContext *s,
625 AVOutputStream *ost,
626 AVInputStream *ist,
627 AVSubtitle *sub,
628 int64_t pts)
629 {
630 static uint8_t *subtitle_out = NULL;
631 int subtitle_out_max_size = 65536;
632 int subtitle_out_size, nb, i;
633 AVCodecContext *enc;
634 AVPacket pkt;
635
636 if (pts == AV_NOPTS_VALUE) {
637 fprintf(stderr, "Subtitle packets must have a pts\n");
638 return;
639 }
640
641 enc = ost->st->codec;
642
643 if (!subtitle_out) {
644 subtitle_out = av_malloc(subtitle_out_max_size);
645 }
646
647 /* Note: DVB subtitle need one packet to draw them and one other
648 packet to clear them */
649 /* XXX: signal it in the codec context ? */
650 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
651 nb = 2;
652 else
653 nb = 1;
654
655 for(i = 0; i < nb; i++) {
656 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
657 subtitle_out_max_size, sub);
658
659 av_init_packet(&pkt);
660 pkt.stream_index = ost->index;
661 pkt.data = subtitle_out;
662 pkt.size = subtitle_out_size;
663 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
664 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
665 /* XXX: the pts correction is handled here. Maybe handling
666 it in the codec would be better */
667 if (i == 0)
668 pkt.pts += 90 * sub->start_display_time;
669 else
670 pkt.pts += 90 * sub->end_display_time;
671 }
672 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
673 }
674 }
675
676 static int bit_buffer_size= 1024*256;
677 static uint8_t *bit_buffer= NULL;
678
679 static void do_video_out(AVFormatContext *s,
680 AVOutputStream *ost,
681 AVInputStream *ist,
682 AVFrame *in_picture,
683 int *frame_size)
684 {
685 int nb_frames, i, ret;
686 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
687 AVFrame picture_crop_temp, picture_pad_temp;
688 AVCodecContext *enc, *dec;
689
690 avcodec_get_frame_defaults(&picture_crop_temp);
691 avcodec_get_frame_defaults(&picture_pad_temp);
692
693 enc = ost->st->codec;
694 dec = ist->st->codec;
695
696 /* by default, we output a single frame */
697 nb_frames = 1;
698
699 *frame_size = 0;
700
701 if(video_sync_method){
702 double vdelta;
703 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
704 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
705 if (vdelta < -1.1)
706 nb_frames = 0;
707 else if (vdelta > 1.1)
708 nb_frames = lrintf(vdelta);
709 //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);
710 if (nb_frames == 0){
711 ++nb_frames_drop;
712 if (verbose>2)
713 fprintf(stderr, "*** drop!\n");
714 }else if (nb_frames > 1) {
715 nb_frames_dup += nb_frames;
716 if (verbose>2)
717 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
718 }
719 }else
720 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
721
722 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
723 if (nb_frames <= 0)
724 return;
725
726 if (ost->video_crop) {
727 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
728 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
729 return;
730 }
731 formatted_picture = &picture_crop_temp;
732 } else {
733 formatted_picture = in_picture;
734 }
735
736 final_picture = formatted_picture;
737 padding_src = formatted_picture;
738 resampling_dst = &ost->pict_tmp;
739 if (ost->video_pad) {
740 final_picture = &ost->pict_tmp;
741 if (ost->video_resample) {
742 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
743 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
744 return;
745 }
746 resampling_dst = &picture_pad_temp;
747 }
748 }
749
750 if (ost->video_resample) {
751 padding_src = NULL;
752 final_picture = &ost->pict_tmp;
753 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
754 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
755 }
756
757 if (ost->video_pad) {
758 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
759 enc->height, enc->width, enc->pix_fmt,
760 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
761 }
762
763 /* duplicates frame if needed */
764 for(i=0;i<nb_frames;i++) {
765 AVPacket pkt;
766 av_init_packet(&pkt);
767 pkt.stream_index= ost->index;
768
769 if (s->oformat->flags & AVFMT_RAWPICTURE) {
770 /* raw pictures are written as AVPicture structure to
771 avoid any copies. We support temorarily the older
772 method. */
773 AVFrame* old_frame = enc->coded_frame;
774 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
775 pkt.data= (uint8_t *)final_picture;
776 pkt.size= sizeof(AVPicture);
777 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779 if(dec->coded_frame && dec->coded_frame->key_frame)
780 pkt.flags |= PKT_FLAG_KEY;
781
782 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
783 enc->coded_frame = old_frame;
784 } else {
785 AVFrame big_picture;
786
787 big_picture= *final_picture;
788 /* better than nothing: use input picture interlaced
789 settings */
790 big_picture.interlaced_frame = in_picture->interlaced_frame;
791 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
792 if(top_field_first == -1)
793 big_picture.top_field_first = in_picture->top_field_first;
794 else
795 big_picture.top_field_first = top_field_first;
796 }
797
798 /* handles sameq here. This is not correct because it may
799 not be a global option */
800 if (same_quality) {
801 big_picture.quality = ist->st->quality;
802 }else
803 big_picture.quality = ost->st->quality;
804 if(!me_threshold)
805 big_picture.pict_type = 0;
806 // big_picture.pts = AV_NOPTS_VALUE;
807 big_picture.pts= ost->sync_opts;
808 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
809 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
810 ret = avcodec_encode_video(enc,
811 bit_buffer, bit_buffer_size,
812 &big_picture);
813 if (ret == -1) {
814 fprintf(stderr, "Video encoding failed\n");
815 exit(1);
816 }
817 //enc->frame_number = enc->real_pict_num;
818 if(ret>0){
819 pkt.data= bit_buffer;
820 pkt.size= ret;
821 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
822 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
823 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
824 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
825 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
826
827 if(enc->coded_frame && enc->coded_frame->key_frame)
828 pkt.flags |= PKT_FLAG_KEY;
829 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
830 *frame_size = ret;
831 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
832 // enc->frame_number-1, enc->real_pict_num, ret,
833 // enc->pict_type);
834 /* if two pass, output log */
835 if (ost->logfile && enc->stats_out) {
836 fprintf(ost->logfile, "%s", enc->stats_out);
837 }
838 }
839 }
840 ost->sync_opts++;
841 ost->frame_number++;
842 }
843 }
844
845 static double psnr(double d){
846 if(d==0) return INFINITY;
847 return -10.0*log(d)/log(10.0);
848 }
849
850 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
851 int frame_size)
852 {
853 AVCodecContext *enc;
854 int frame_number;
855 double ti1, bitrate, avg_bitrate;
856
857 /* this is executed just the first time do_video_stats is called */
858 if (!fvstats) {
859 fvstats = fopen(vstats_filename, "w");
860 if (!fvstats) {
861 perror("fopen");
862 exit(1);
863 }
864 }
865
866 enc = ost->st->codec;
867 if (enc->codec_type == CODEC_TYPE_VIDEO) {
868 frame_number = ost->frame_number;
869 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870 if (enc->flags&CODEC_FLAG_PSNR)
871 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872
873 fprintf(fvstats,"f_size= %6d ", frame_size);
874 /* compute pts value */
875 ti1 = ost->sync_opts * av_q2d(enc->time_base);
876 if (ti1 < 0.01)
877 ti1 = 0.01;
878
879 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
880 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
881 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
882 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
883 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
884 }
885 }
886
887 static void print_report(AVFormatContext **output_files,
888 AVOutputStream **ost_table, int nb_ostreams,
889 int is_last_report)
890 {
891 char buf[1024];
892 AVOutputStream *ost;
893 AVFormatContext *oc, *os;
894 int64_t total_size;
895 AVCodecContext *enc;
896 int frame_number, vid, i;
897 double bitrate, ti1, pts;
898 static int64_t last_time = -1;
899 static int qp_histogram[52];
900
901 if (!is_last_report) {
902 int64_t cur_time;
903 /* display the report every 0.5 seconds */
904 cur_time = av_gettime();
905 if (last_time == -1) {
906 last_time = cur_time;
907 return;
908 }
909 if ((cur_time - last_time) < 500000)
910 return;
911 last_time = cur_time;
912 }
913
914
915 oc = output_files[0];
916
917 total_size = url_fsize(&oc->pb);
918 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
919 total_size= url_ftell(&oc->pb);
920
921 buf[0] = '\0';
922 ti1 = 1e10;
923 vid = 0;
924 for(i=0;i<nb_ostreams;i++) {
925 ost = ost_table[i];
926 os = output_files[ost->file_index];
927 enc = ost->st->codec;
928 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
929 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
930 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
931 }
932 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
933 float t = (av_gettime()-timer_start) / 1000000.0;
934
935 frame_number = ost->frame_number;
936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
937 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
938 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939 if(is_last_report)
940 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
941 if(qp_hist && enc->coded_frame){
942 int j;
943 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
945 qp_histogram[qp]++;
946 for(j=0; j<32; j++)
947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948 }
949 if (enc->flags&CODEC_FLAG_PSNR){
950 int j;
951 double error, error_sum=0;
952 double scale, scale_sum=0;
953 char type[3]= {'Y','U','V'};
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
955 for(j=0; j<3; j++){
956 if(is_last_report){
957 error= enc->error[j];
958 scale= enc->width*enc->height*255.0*255.0*frame_number;
959 }else{
960 error= enc->coded_frame->error[j];
961 scale= enc->width*enc->height*255.0*255.0;
962 }
963 if(j) scale/=4;
964 error_sum += error;
965 scale_sum += scale;
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967 }
968 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
969 }
970 vid = 1;
971 }
972 /* compute min output value */
973 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
974 if ((pts < ti1) && (pts > 0))
975 ti1 = pts;
976 }
977 if (ti1 < 0.01)
978 ti1 = 0.01;
979
980 if (verbose || is_last_report) {
981 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
984 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
985 (double)total_size / 1024, ti1, bitrate);
986
987 if (verbose > 1)
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
989 nb_frames_dup, nb_frames_drop);
990
991 if (verbose >= 0)
992 fprintf(stderr, "%s \r", buf);
993
994 fflush(stderr);
995 }
996
997 if (is_last_report && verbose >= 0){
998 int64_t raw= audio_size + video_size + extra_size;
999 fprintf(stderr, "\n");
1000 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1001 video_size/1024.0,
1002 audio_size/1024.0,
1003 extra_size/1024.0,
1004 100.0*(total_size - raw)/raw
1005 );
1006 }
1007 }
1008
1009 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1010 static int output_packet(AVInputStream *ist, int ist_index,
1011 AVOutputStream **ost_table, int nb_ostreams,
1012 const AVPacket *pkt)
1013 {
1014 AVFormatContext *os;
1015 AVOutputStream *ost;
1016 uint8_t *ptr;
1017 int len, ret, i;
1018 uint8_t *data_buf;
1019 int data_size, got_picture;
1020 AVFrame picture;
1021 void *buffer_to_free;
1022 static unsigned int samples_size= 0;
1023 static short *samples= NULL;
1024 AVSubtitle subtitle, *subtitle_to_free;
1025 int got_subtitle;
1026
1027 if(!pkt){
1028 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1029 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1030 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031 } else {
1032 // assert(ist->pts == ist->next_pts);
1033 }
1034
1035 if (pkt == NULL) {
1036 /* EOF handling */
1037 ptr = NULL;
1038 len = 0;
1039 goto handle_eof;
1040 }
1041
1042 len = pkt->size;
1043 ptr = pkt->data;
1044 while (len > 0) {
1045 handle_eof:
1046 /* decode the packet if needed */
1047 data_buf = NULL; /* fail safe */
1048 data_size = 0;
1049 subtitle_to_free = NULL;
1050 if (ist->decoding_needed) {
1051 switch(ist->st->codec->codec_type) {
1052 case CODEC_TYPE_AUDIO:{
1053 if(pkt)
1054 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1055 data_size= samples_size;
1056 /* XXX: could avoid copy if PCM 16 bits with same
1057 endianness as CPU */
1058 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1059 ptr, len);
1060 if (ret < 0)
1061 goto fail_decode;
1062 ptr += ret;
1063 len -= ret;
1064 /* Some bug in mpeg audio decoder gives */
1065 /* data_size < 0, it seems they are overflows */
1066 if (data_size <= 0) {
1067 /* no audio frame */
1068 continue;
1069 }
1070 data_buf = (uint8_t *)samples;
1071 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1072 (ist->st->codec->sample_rate * ist->st->codec->channels);
1073 break;}
1074 case CODEC_TYPE_VIDEO:
1075 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1076 /* XXX: allocate picture correctly */
1077 avcodec_get_frame_defaults(&picture);
1078
1079 ret = avcodec_decode_video(ist->st->codec,
1080 &picture, &got_picture, ptr, len);
1081 ist->st->quality= picture.quality;
1082 if (ret < 0)
1083 goto fail_decode;
1084 if (!got_picture) {
1085 /* no picture yet */
1086 goto discard_packet;
1087 }
1088 if (ist->st->codec->time_base.num != 0) {
1089 ist->next_pts += ((int64_t)AV_TIME_BASE *
1090 ist->st->codec->time_base.num) /
1091 ist->st->codec->time_base.den;
1092 }
1093 len = 0;
1094 break;
1095 case CODEC_TYPE_SUBTITLE:
1096 ret = avcodec_decode_subtitle(ist->st->codec,
1097 &subtitle, &got_subtitle, ptr, len);
1098 if (ret < 0)
1099 goto fail_decode;
1100 if (!got_subtitle) {
1101 goto discard_packet;
1102 }
1103 subtitle_to_free = &subtitle;
1104 len = 0;
1105 break;
1106 default:
1107 goto fail_decode;
1108 }
1109 } else {
1110 switch(ist->st->codec->codec_type) {
1111 case CODEC_TYPE_AUDIO:
1112 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1113 (ist->st->codec->sample_rate * ist->st->codec->channels);
1114 break;
1115 case CODEC_TYPE_VIDEO:
1116 if (ist->st->codec->time_base.num != 0) {
1117 ist->next_pts += ((int64_t)AV_TIME_BASE *
1118 ist->st->codec->time_base.num) /
1119 ist->st->codec->time_base.den;
1120 }
1121 break;
1122 }
1123 data_buf = ptr;
1124 data_size = len;
1125 ret = len;
1126 len = 0;
1127 }
1128
1129 buffer_to_free = NULL;
1130 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1131 pre_process_video_frame(ist, (AVPicture *)&picture,
1132 &buffer_to_free);
1133 }
1134
1135 // preprocess audio (volume)
1136 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1137 if (audio_volume != 256) {
1138 short *volp;
1139 volp = samples;
1140 for(i=0;i<(data_size / sizeof(short));i++) {
1141 int v = ((*volp) * audio_volume + 128) >> 8;
1142 if (v < -32768) v = -32768;
1143 if (v > 32767) v = 32767;
1144 *volp++ = v;
1145 }
1146 }
1147 }
1148
1149 /* frame rate emulation */
1150 if (ist->st->codec->rate_emu) {
1151 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1152 int64_t now = av_gettime() - ist->start;
1153 if (pts > now)
1154 usleep(pts - now);
1155
1156 ist->frame++;
1157 }
1158
1159 #if 0
1160 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1161 is the one of the next displayed one */
1162 /* XXX: add mpeg4 too ? */
1163 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1164 if (ist->st->codec->pict_type != B_TYPE) {
1165 int64_t tmp;
1166 tmp = ist->last_ip_pts;
1167 ist->last_ip_pts = ist->frac_pts.val;
1168 ist->frac_pts.val = tmp;
1169 }
1170 }
1171 #endif
1172 /* if output time reached then transcode raw format,
1173 encode packets and output them */
1174 if (start_time == 0 || ist->pts >= start_time)
1175 for(i=0;i<nb_ostreams;i++) {
1176 int frame_size;
1177
1178 ost = ost_table[i];
1179 if (ost->source_index == ist_index) {
1180 os = output_files[ost->file_index];
1181
1182 #if 0
1183 printf("%d: got pts=%0.3f %0.3f\n", i,
1184 (double)pkt->pts / AV_TIME_BASE,
1185 ((double)ist->pts / AV_TIME_BASE) -
1186 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187 #endif
1188 /* set the input output pts pairs */
1189 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190
1191 if (ost->encoding_needed) {
1192 switch(ost->st->codec->codec_type) {
1193 case CODEC_TYPE_AUDIO:
1194 do_audio_out(os, ost, ist, data_buf, data_size);
1195 break;
1196 case CODEC_TYPE_VIDEO:
1197 do_video_out(os, ost, ist, &picture, &frame_size);
1198 video_size += frame_size;
1199 if (vstats_filename && frame_size)
1200 do_video_stats(os, ost, frame_size);
1201 break;
1202 case CODEC_TYPE_SUBTITLE:
1203 do_subtitle_out(os, ost, ist, &subtitle,
1204 pkt->pts);
1205 break;
1206 default:
1207 abort();
1208 }
1209 } else {
1210 AVFrame avframe; //FIXME/XXX remove this
1211 AVPacket opkt;
1212 av_init_packet(&opkt);
1213
1214 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1215 continue;
1216
1217 /* no reencoding needed : output the packet directly */
1218 /* force the input stream PTS */
1219
1220 avcodec_get_frame_defaults(&avframe);
1221 ost->st->codec->coded_frame= &avframe;
1222 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1223
1224 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1225 audio_size += data_size;
1226 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1227 video_size += data_size;
1228 ost->sync_opts++;
1229 }
1230
1231 opkt.stream_index= ost->index;
1232 if(pkt->pts != AV_NOPTS_VALUE)
1233 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1234 else
1235 opkt.pts= AV_NOPTS_VALUE;
1236
1237 if (pkt->dts == AV_NOPTS_VALUE)
1238 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1239 else
1240 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1241
1242 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1243 opkt.flags= pkt->flags;
1244
1245 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1246 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1247 opkt.destruct= av_destruct_packet;
1248
1249 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1250 ost->st->codec->frame_number++;
1251 ost->frame_number++;
1252 av_free_packet(&opkt);
1253 }
1254 }
1255 }
1256 av_free(buffer_to_free);
1257 /* XXX: allocate the subtitles in the codec ? */
1258 if (subtitle_to_free) {
1259 if (subtitle_to_free->rects != NULL) {
1260 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1261 av_free(subtitle_to_free->rects[i].bitmap);
1262 av_free(subtitle_to_free->rects[i].rgba_palette);
1263 }
1264 av_freep(&subtitle_to_free->rects);
1265 }
1266 subtitle_to_free->num_rects = 0;
1267 subtitle_to_free = NULL;
1268 }
1269 }
1270 discard_packet:
1271 if (pkt == NULL) {
1272 /* EOF handling */
1273
1274 for(i=0;i<nb_ostreams;i++) {
1275 ost = ost_table[i];
1276 if (ost->source_index == ist_index) {
1277 AVCodecContext *enc= ost->st->codec;
1278 os = output_files[ost->file_index];
1279
1280 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281 continue;
1282 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1283 continue;
1284
1285 if (ost->encoding_needed) {
1286 for(;;) {
1287 AVPacket pkt;
1288 int fifo_bytes;
1289 av_init_packet(&pkt);
1290 pkt.stream_index= ost->index;
1291
1292 switch(ost->st->codec->codec_type) {
1293 case CODEC_TYPE_AUDIO:
1294 fifo_bytes = av_fifo_size(&ost->fifo);
1295 ret = 0;
1296 /* encode any samples remaining in fifo */
1297 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1298 int fs_tmp = enc->frame_size;
1299 enc->frame_size = fifo_bytes / (2 * enc->channels);
1300 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1301 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302 }
1303 enc->frame_size = fs_tmp;
1304 }
1305 if(ret <= 0) {
1306 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1307 }
1308 audio_size += ret;
1309 pkt.flags |= PKT_FLAG_KEY;
1310 break;
1311 case CODEC_TYPE_VIDEO:
1312 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313 video_size += ret;
1314 if(enc->coded_frame && enc->coded_frame->key_frame)
1315 pkt.flags |= PKT_FLAG_KEY;
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1318 }
1319 break;
1320 default:
1321 ret=-1;
1322 }
1323
1324 if(ret<=0)
1325 break;
1326 pkt.data= bit_buffer;
1327 pkt.size= ret;
1328 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1329 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1330 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1331 }
1332 }
1333 }
1334 }
1335 }
1336
1337 return 0;
1338 fail_decode:
1339 return -1;
1340 }
1341
1342
1343 /*
1344 * The following code is the main loop of the file converter
1345 */
1346 static int av_encode(AVFormatContext **output_files,
1347 int nb_output_files,
1348 AVFormatContext **input_files,
1349 int nb_input_files,
1350 AVStreamMap *stream_maps, int nb_stream_maps)
1351 {
1352 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1353 AVFormatContext *is, *os;
1354 AVCodecContext *codec, *icodec;
1355 AVOutputStream *ost, **ost_table = NULL;
1356 AVInputStream *ist, **ist_table = NULL;
1357 AVInputFile *file_table;
1358 int key;
1359
1360 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1361 if (!file_table)
1362 goto fail;
1363
1364 /* input stream init */
1365 j = 0;
1366 for(i=0;i<nb_input_files;i++) {
1367 is = input_files[i];
1368 file_table[i].ist_index = j;
1369 file_table[i].nb_streams = is->nb_streams;
1370 j += is->nb_streams;
1371 }
1372 nb_istreams = j;
1373
1374 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1375 if (!ist_table)
1376 goto fail;
1377
1378 for(i=0;i<nb_istreams;i++) {
1379 ist = av_mallocz(sizeof(AVInputStream));
1380 if (!ist)
1381 goto fail;
1382 ist_table[i] = ist;
1383 }
1384 j = 0;
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 for(k=0;k<is->nb_streams;k++) {
1388 ist = ist_table[j++];
1389 ist->st = is->streams[k];
1390 ist->file_index = i;
1391 ist->index = k;
1392 ist->discard = 1; /* the stream is discarded by default
1393 (changed later) */
1394
1395 if (ist->st->codec->rate_emu) {
1396 ist->start = av_gettime();
1397 ist->frame = 0;
1398 }
1399 }
1400 }
1401
1402 /* output stream init */
1403 nb_ostreams = 0;
1404 for(i=0;i<nb_output_files;i++) {
1405 os = output_files[i];
1406 if (!os->nb_streams) {
1407 fprintf(stderr, "Output file does not contain any stream\n");
1408 exit(1);
1409 }
1410 nb_ostreams += os->nb_streams;
1411 }
1412 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1413 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1414 exit(1);
1415 }
1416
1417 /* Sanity check the mapping args -- do the input files & streams exist? */
1418 for(i=0;i<nb_stream_maps;i++) {
1419 int fi = stream_maps[i].file_index;
1420 int si = stream_maps[i].stream_index;
1421
1422 if (fi < 0 || fi > nb_input_files - 1 ||
1423 si < 0 || si > file_table[fi].nb_streams - 1) {
1424 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1425 exit(1);
1426 }
1427 fi = stream_maps[i].sync_file_index;
1428 si = stream_maps[i].sync_stream_index;
1429 if (fi < 0 || fi > nb_input_files - 1 ||
1430 si < 0 || si > file_table[fi].nb_streams - 1) {
1431 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1432 exit(1);
1433 }
1434 }
1435
1436 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1437 if (!ost_table)
1438 goto fail;
1439 for(i=0;i<nb_ostreams;i++) {
1440 ost = av_mallocz(sizeof(AVOutputStream));
1441 if (!ost)
1442 goto fail;
1443 ost_table[i] = ost;
1444 }
1445
1446 n = 0;
1447 for(k=0;k<nb_output_files;k++) {
1448 os = output_files[k];
1449 for(i=0;i<os->nb_streams;i++) {
1450 int found;
1451 ost = ost_table[n++];
1452 ost->file_index = k;
1453 ost->index = i;
1454 ost->st = os->streams[i];
1455 if (nb_stream_maps > 0) {
1456 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1457 stream_maps[n-1].stream_index;
1458
1459 /* Sanity check that the stream types match */
1460 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1461 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1462 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1463 ost->file_index, ost->index);
1464 exit(1);
1465 }
1466
1467 } else {
1468 /* get corresponding input stream index : we select the first one with the right type */
1469 found = 0;
1470 for(j=0;j<nb_istreams;j++) {
1471 ist = ist_table[j];
1472 if (ist->discard &&
1473 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1474 ost->source_index = j;
1475 found = 1;
1476 break;
1477 }
1478 }
1479
1480 if (!found) {
1481 /* try again and reuse existing stream */
1482 for(j=0;j<nb_istreams;j++) {
1483 ist = ist_table[j];
1484 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485 ost->source_index = j;
1486 found = 1;
1487 }
1488 }
1489 if (!found) {
1490 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1491 ost->file_index, ost->index);
1492 exit(1);
1493 }
1494 }
1495 }
1496 ist = ist_table[ost->source_index];
1497 ist->discard = 0;
1498 ost->sync_ist = (nb_stream_maps > 0) ?
1499 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1500 stream_maps[n-1].sync_stream_index] : ist;
1501 }
1502 }
1503
1504 /* for each output stream, we compute the right encoding parameters */
1505 for(i=0;i<nb_ostreams;i++) {
1506 ost = ost_table[i];
1507 os = output_files[ost->file_index];
1508 ist = ist_table[ost->source_index];
1509
1510 codec = ost->st->codec;
1511 icodec = ist->st->codec;
1512
1513 if (!ost->st->language[0])
1514 av_strlcpy(ost->st->language, ist->st->language,
1515 sizeof(ost->st->language));
1516
1517 if (ost->st->stream_copy) {
1518 /* if stream_copy is selected, no need to decode or encode */
1519 codec->codec_id = icodec->codec_id;
1520 codec->codec_type = icodec->codec_type;
1521
1522 if(!codec->codec_tag){
1523 if( !os->oformat->codec_tag
1524 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1525 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1526 codec->codec_tag = icodec->codec_tag;
1527 }
1528
1529 codec->bit_rate = icodec->bit_rate;
1530 codec->extradata= icodec->extradata;
1531 codec->extradata_size= icodec->extradata_size;
1532 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1533 codec->time_base = icodec->time_base;
1534 else
1535 codec->time_base = ist->st->time_base;
1536 switch(codec->codec_type) {
1537 case CODEC_TYPE_AUDIO:
1538 codec->sample_rate = icodec->sample_rate;
1539 codec->channels = icodec->channels;
1540 codec->frame_size = icodec->frame_size;
1541 codec->block_align= icodec->block_align;
1542 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1543 codec->block_align= 0;
1544 break;
1545 case CODEC_TYPE_VIDEO:
1546 if(using_vhook) {
1547 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1548 exit(1);
1549 }
1550 codec->pix_fmt = icodec->pix_fmt;
1551 codec->width = icodec->width;
1552 codec->height = icodec->height;
1553 codec->has_b_frames = icodec->has_b_frames;
1554 break;
1555 case CODEC_TYPE_SUBTITLE:
1556 break;
1557 default:
1558 abort();
1559 }
1560 } else {
1561 switch(codec->codec_type) {
1562 case CODEC_TYPE_AUDIO:
1563 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1564 goto fail;
1565
1566 if (codec->channels == icodec->channels &&
1567 codec->sample_rate == icodec->sample_rate) {
1568 ost->audio_resample = 0;
1569 } else {
1570 if (codec->channels != icodec->channels &&
1571 (icodec->codec_id == CODEC_ID_AC3 ||
1572 icodec->codec_id == CODEC_ID_DTS)) {
1573 /* Special case for 5:1 AC3 and DTS input */
1574 /* and mono or stereo output */
1575 /* Request specific number of channels */
1576 icodec->channels = codec->channels;
1577 if (codec->sample_rate == icodec->sample_rate)
1578 ost->audio_resample = 0;
1579 else {
1580 ost->audio_resample = 1;
1581 }
1582 } else {
1583 ost->audio_resample = 1;
1584 }
1585 }
1586 if(audio_sync_method>1)
1587 ost->audio_resample = 1;
1588
1589 if(ost->audio_resample){
1590 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1591 codec->sample_rate, icodec->sample_rate);
1592 if(!ost->resample){
1593 printf("Can't resample. Aborting.\n");
1594 abort();
1595 }
1596 }
1597 ist->decoding_needed = 1;
1598 ost->encoding_needed = 1;
1599 break;
1600 case CODEC_TYPE_VIDEO:
1601 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1602 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1603 ost->video_resample = ((codec->width != icodec->width -
1604 (frame_leftBand + frame_rightBand) +
1605 (frame_padleft + frame_padright)) ||
1606 (codec->height != icodec->height -
1607 (frame_topBand + frame_bottomBand) +
1608 (frame_padtop + frame_padbottom)) ||
1609 (codec->pix_fmt != icodec->pix_fmt));
1610 if (ost->video_crop) {
1611 ost->topBand = frame_topBand;
1612 ost->leftBand = frame_leftBand;
1613 }
1614 if (ost->video_pad) {
1615 ost->padtop = frame_padtop;
1616 ost->padleft = frame_padleft;
1617 ost->padbottom = frame_padbottom;
1618 ost->padright = frame_padright;
1619 if (!ost->video_resample) {
1620 avcodec_get_frame_defaults(&ost->pict_tmp);
1621 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1622 codec->width, codec->height ) )
1623 goto fail;
1624 }
1625 }
1626 if (ost->video_resample) {
1627 avcodec_get_frame_defaults(&ost->pict_tmp);
1628 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1629 codec->width, codec->height ) ) {
1630 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1631 exit(1);
1632 }
1633 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1634 ost->img_resample_ctx = sws_getContext(
1635 icodec->width - (frame_leftBand + frame_rightBand),
1636 icodec->height - (frame_topBand + frame_bottomBand),
1637 icodec->pix_fmt,
1638 codec->width - (frame_padleft + frame_padright),
1639 codec->height - (frame_padtop + frame_padbottom),
1640 codec->pix_fmt,
1641 sws_flags, NULL, NULL, NULL);
1642 if (ost->img_resample_ctx == NULL) {
1643 fprintf(stderr, "Cannot get resampling context\n");
1644 exit(1);
1645 }
1646 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1647 }
1648 ost->encoding_needed = 1;
1649 ist->decoding_needed = 1;
1650 break;
1651 case CODEC_TYPE_SUBTITLE:
1652 ost->encoding_needed = 1;
1653 ist->decoding_needed = 1;
1654 break;
1655 default:
1656 abort();
1657 break;
1658 }
1659 /* two pass mode */
1660 if (ost->encoding_needed &&
1661 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1662 char logfilename[1024];
1663 FILE *f;
1664 int size;
1665 char *logbuffer;
1666
1667 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1668 pass_logfilename ?
1669 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1670 if (codec->flags & CODEC_FLAG_PASS1) {
1671 f = fopen(logfilename, "w");
1672 if (!f) {
1673 perror(logfilename);
1674 exit(1);
1675 }
1676 ost->logfile = f;
1677 } else {
1678 /* read the log file */
1679 f = fopen(logfilename, "r");
1680 if (!f) {
1681 perror(logfilename);
1682 exit(1);
1683 }
1684 fseek(f, 0, SEEK_END);
1685 size = ftell(f);
1686 fseek(f, 0, SEEK_SET);
1687 logbuffer = av_malloc(size + 1);
1688 if (!logbuffer) {
1689 fprintf(stderr, "Could not allocate log buffer\n");
1690 exit(1);
1691 }
1692 size = fread(logbuffer, 1, size, f);
1693 fclose(f);
1694 logbuffer[size] = '\0';
1695 codec->stats_in = logbuffer;
1696 }
1697 }
1698 }
1699 if(codec->codec_type == CODEC_TYPE_VIDEO){
1700 int size= codec->width * codec->height;
1701 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1702 }
1703 }
1704
1705 if (!bit_buffer)
1706 bit_buffer = av_malloc(bit_buffer_size);
1707 if (!bit_buffer)
1708 goto fail;
1709
1710 /* dump the file output parameters - cannot be done before in case
1711 of stream copy */
1712 for(i=0;i<nb_output_files;i++) {
1713 dump_format(output_files[i], i, output_files[i]->filename, 1);
1714 }
1715
1716 /* dump the stream mapping */
1717 if (verbose >= 0) {
1718 fprintf(stderr, "Stream mapping:\n");
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = ost_table[i];
1721 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1722 ist_table[ost->source_index]->file_index,
1723 ist_table[ost->source_index]->index,
1724 ost->file_index,
1725 ost->index);
1726 if (ost->sync_ist != ist_table[ost->source_index])
1727 fprintf(stderr, " [sync #%d.%d]",
1728 ost->sync_ist->file_index,
1729 ost->sync_ist->index);
1730 fprintf(stderr, "\n");
1731 }
1732 }
1733
1734 /* open each encoder */
1735 for(i=0;i<nb_ostreams;i++) {
1736 ost = ost_table[i];
1737 if (ost->encoding_needed) {
1738 AVCodec *codec;
1739 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1740 if (!codec) {
1741 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1742 ost->file_index, ost->index);
1743 exit(1);
1744 }
1745 if (avcodec_open(ost->st->codec, codec) < 0) {
1746 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1747 ost->file_index, ost->index);
1748 exit(1);
1749 }
1750 extra_size += ost->st->codec->extradata_size;
1751 }
1752 }
1753
1754 /* open each decoder */
1755 for(i=0;i<nb_istreams;i++) {
1756 ist = ist_table[i];
1757 if (ist->decoding_needed) {
1758 AVCodec *codec;
1759 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1760 if (!codec) {
1761 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1762 ist->st->codec->codec_id, ist->file_index, ist->index);
1763 exit(1);
1764 }
1765 if (avcodec_open(ist->st->codec, codec) < 0) {
1766 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1767 ist->file_index, ist->index);
1768 exit(1);
1769 }
1770 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1771 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1772 }
1773 }
1774
1775 /* init pts */
1776 for(i=0;i<nb_istreams;i++) {
1777 ist = ist_table[i];
1778 is = input_files[ist->file_index];
1779 ist->pts = 0;
1780 ist->next_pts=0;
1781 if( input_files_ts_offset[ist->file_index] != -is->start_time
1782 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1783 ist->next_pts= AV_NOPTS_VALUE;
1784 ist->is_start = 1;
1785 }
1786
1787 /* set meta data information from input file if required */
1788 for (i=0;i<nb_meta_data_maps;i++) {
1789 AVFormatContext *out_file;
1790 AVFormatContext *in_file;
1791
1792 int out_file_index = meta_data_maps[i].out_file;
1793 int in_file_index = meta_data_maps[i].in_file;
1794 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1795 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1796 ret = AVERROR(EINVAL);
1797 goto fail;
1798 }
1799 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1800 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1801 ret = AVERROR(EINVAL);
1802 goto fail;
1803 }
1804
1805 out_file = output_files[out_file_index];
1806 in_file = input_files[in_file_index];
1807
1808 strcpy(out_file->title, in_file->title);
1809 strcpy(out_file->author, in_file->author);
1810 strcpy(out_file->copyright, in_file->copyright);
1811 strcpy(out_file->comment, in_file->comment);
1812 strcpy(out_file->album, in_file->album);
1813 out_file->year = in_file->year;
1814 out_file->track = in_file->track;
1815 strcpy(out_file->genre, in_file->genre);
1816 }
1817
1818 /* open files and write file headers */
1819 for(i=0;i<nb_output_files;i++) {
1820 os = output_files[i];
1821 if (av_write_header(os) < 0) {
1822 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1823 ret = AVERROR(EINVAL);
1824 goto fail;
1825 }
1826 }
1827
1828 if ( !using_stdin && verbose >= 0) {
1829 fprintf(stderr, "Press [q] to stop encoding\n");
1830 url_set_interrupt_cb(decode_interrupt_cb);
1831 }
1832 term_init();
1833
1834 key = -1;
1835 timer_start = av_gettime();
1836
1837 for(; received_sigterm == 0;) {
1838 int file_index, ist_index;
1839 AVPacket pkt;
1840 double ipts_min;
1841 double opts_min;
1842
1843 redo:
1844 ipts_min= 1e100;
1845 opts_min= 1e100;
1846 /* if 'q' pressed, exits */
1847 if (!using_stdin) {
1848 if (q_pressed)
1849 break;
1850 /* read_key() returns 0 on EOF */
1851 key = read_key();
1852 if (key == 'q')
1853 break;
1854 }
1855
1856 /* select the stream that we must read now by looking at the
1857 smallest output pts */
1858 file_index = -1;
1859 for(i=0;i<nb_ostreams;i++) {
1860 double ipts, opts;
1861 ost = ost_table[i];
1862 os = output_files[ost->file_index];
1863 ist = ist_table[ost->source_index];
1864 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1865 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1866 else
1867 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1868 ipts = (double)ist->pts;
1869 if (!file_table[ist->file_index].eof_reached){
1870 if(ipts < ipts_min) {
1871 ipts_min = ipts;
1872 if(input_sync ) file_index = ist->file_index;
1873 }
1874 if(opts < opts_min) {
1875 opts_min = opts;
1876 if(!input_sync) file_index = ist->file_index;
1877 }
1878 }
1879 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1880 file_index= -1;
1881 break;
1882 }
1883 }
1884 /* if none, if is finished */
1885 if (file_index < 0) {
1886 break;
1887 }
1888
1889 /* finish if recording time exhausted */
1890 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1891 break;
1892
1893 /* finish if limit size exhausted */
1894 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1895 break;
1896
1897 /* read a frame from it and output it in the fifo */
1898 is = input_files[file_index];
1899 if (av_read_frame(is, &pkt) < 0) {
1900 file_table[file_index].eof_reached = 1;
1901 if (opt_shortest)
1902 break;
1903 else
1904 continue;
1905 }
1906
1907 if (do_pkt_dump) {
1908 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1909 }
1910 /* the following test is needed in case new streams appear
1911 dynamically in stream : we ignore them */
1912 if (pkt.stream_index >= file_table[file_index].nb_streams)
1913 goto discard_packet;
1914 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1915 ist = ist_table[ist_index];
1916 if (ist->discard)
1917 goto discard_packet;
1918
1919 if (pkt.dts != AV_NOPTS_VALUE)
1920 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1921 if (pkt.pts != AV_NOPTS_VALUE)
1922 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1923
1924 // 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);
1925 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1926 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1927 int64_t delta= pkt_dts - ist->next_pts;
1928 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1929 input_files_ts_offset[ist->file_index]-= delta;
1930 if (verbose > 2)
1931 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1932 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1933 if(pkt.pts != AV_NOPTS_VALUE)
1934 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1935 }
1936 }
1937
1938 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1939 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1940
1941 if (verbose >= 0)
1942 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1943 ist->file_index, ist->index);
1944
1945 av_free_packet(&pkt);
1946 goto redo;
1947 }
1948
1949 discard_packet:
1950 av_free_packet(&pkt);
1951
1952 /* dump report by using the output first video and audio streams */
1953 print_report(output_files, ost_table, nb_ostreams, 0);
1954 }
1955
1956 /* at the end of stream, we must flush the decoder buffers */
1957 for(i=0;i<nb_istreams;i++) {
1958 ist = ist_table[i];
1959 if (ist->decoding_needed) {
1960 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1961 }
1962 }
1963
1964 term_exit();
1965
1966 /* write the trailer if needed and close file */
1967 for(i=0;i<nb_output_files;i++) {
1968 os = output_files[i];
1969 av_write_trailer(os);
1970 }
1971
1972 /* dump report by using the first video and audio streams */
1973 print_report(output_files, ost_table, nb_ostreams, 1);
1974
1975 /* close each encoder */
1976 for(i=0;i<nb_ostreams;i++) {
1977 ost = ost_table[i];
1978 if (ost->encoding_needed) {
1979 av_freep(&ost->st->codec->stats_in);
1980 avcodec_close(ost->st->codec);
1981 }
1982 }
1983
1984 /* close each decoder */
1985 for(i=0;i<nb_istreams;i++) {
1986 ist = ist_table[i];
1987 if (ist->decoding_needed) {
1988 avcodec_close(ist->st->codec);
1989 }
1990 }
1991
1992 /* finished ! */
1993
1994 ret = 0;
1995 fail1:
1996 av_freep(&bit_buffer);
1997 av_free(file_table);
1998
1999 if (ist_table) {
2000 for(i=0;i<nb_istreams;i++) {
2001 ist = ist_table[i];
2002 av_free(ist);
2003 }
2004 av_free(ist_table);
2005 }
2006 if (ost_table) {
2007 for(i=0;i<nb_ostreams;i++) {
2008 ost = ost_table[i];
2009 if (ost) {
2010 if (ost->logfile) {
2011 fclose(ost->logfile);
2012 ost->logfile = NULL;
2013 }
2014 av_fifo_free(&ost->fifo); /* works even if fifo is not
2015 initialized but set to zero */
2016 av_free(ost->pict_tmp.data[0]);
2017 if (ost->video_resample)
2018 sws_freeContext(ost->img_resample_ctx);
2019 if (ost->audio_resample)
2020 audio_resample_close(ost->resample);
2021 av_free(ost);
2022 }
2023 }
2024 av_free(ost_table);
2025 }
2026 return ret;
2027 fail:
2028 ret = AVERROR(ENOMEM);
2029 goto fail1;
2030 }
2031
2032 #if 0
2033 int file_read(const char *filename)
2034 {
2035 URLContext *h;
2036 unsigned char buffer[1024];
2037 int len, i;
2038
2039 if (url_open(&h, filename, O_RDONLY) < 0) {
2040 printf("could not open '%s'\n", filename);
2041 return -1;
2042 }
2043 for(;;) {
2044 len = url_read(h, buffer, sizeof(buffer));
2045 if (len <= 0)
2046 break;
2047 for(i=0;i<len;i++) putchar(buffer[i]);
2048 }
2049 url_close(h);
2050 return 0;
2051 }
2052 #endif
2053
2054 static void opt_format(const char *arg)
2055 {
2056 /* compatibility stuff for pgmyuv */
2057 if (!strcmp(arg, "pgmyuv")) {
2058 pgmyuv_compatibility_hack=1;
2059 // opt_image_format(arg);
2060 arg = "image2";
2061 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2062 }
2063
2064 file_iformat = av_find_input_format(arg);
2065 file_oformat = guess_format(arg, NULL, NULL);
2066 if (!file_iformat && !file_oformat) {
2067 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2068 exit(1);
2069 }
2070 }
2071
2072 static void opt_video_rc_eq(char *arg)
2073 {
2074 video_rc_eq = arg;
2075 }
2076
2077 static void opt_video_rc_override_string(char *arg)
2078 {
2079 video_rc_override_string = arg;
2080 }
2081
2082 static void opt_me_threshold(const char *arg)
2083 {
2084 me_threshold = atoi(arg);
2085 }
2086
2087 static void opt_verbose(const char *arg)
2088 {
2089 verbose = atoi(arg);
2090 av_log_level = atoi(arg);
2091 }
2092
2093 static void opt_frame_rate(const char *arg)
2094 {
2095 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2096 fprintf(stderr, "Incorrect frame rate\n");
2097 exit(1);
2098 }
2099 }
2100
2101 static void opt_frame_crop_top(const char *arg)
2102 {
2103 frame_topBand = atoi(arg);
2104 if (frame_topBand < 0) {
2105 fprintf(stderr, "Incorrect top crop size\n");
2106 exit(1);
2107 }
2108 if ((frame_topBand % 2) != 0) {
2109 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2110 exit(1);
2111 }
2112 if ((frame_topBand) >= frame_height){
2113 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2114 exit(1);
2115 }
2116 frame_height -= frame_topBand;
2117 }
2118
2119 static void opt_frame_crop_bottom(const char *arg)
2120 {
2121 frame_bottomBand = atoi(arg);
2122 if (frame_bottomBand < 0) {
2123 fprintf(stderr, "Incorrect bottom crop size\n");
2124 exit(1);
2125 }
2126 if ((frame_bottomBand % 2) != 0) {
2127 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2128 exit(1);
2129 }
2130 if ((frame_bottomBand) >= frame_height){
2131 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2132 exit(1);
2133 }
2134 frame_height -= frame_bottomBand;
2135 }
2136
2137 static void opt_frame_crop_left(const char *arg)
2138 {
2139 frame_leftBand = atoi(arg);
2140 if (frame_leftBand < 0) {
2141 fprintf(stderr, "Incorrect left crop size\n");
2142 exit(1);
2143 }
2144 if ((frame_leftBand % 2) != 0) {
2145 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2146 exit(1);
2147 }
2148 if ((frame_leftBand) >= frame_width){
2149 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2150 exit(1);
2151 }
2152 frame_width -= frame_leftBand;
2153 }
2154
2155 static void opt_frame_crop_right(const char *arg)
2156 {
2157 frame_rightBand = atoi(arg);
2158 if (frame_rightBand < 0) {
2159 fprintf(stderr, "Incorrect right crop size\n");
2160 exit(1);
2161 }
2162 if ((frame_rightBand % 2) != 0) {
2163 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2164 exit(1);
2165 }
2166 if ((frame_rightBand) >= frame_width){
2167 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2168 exit(1);
2169 }
2170 frame_width -= frame_rightBand;
2171 }
2172
2173 static void opt_frame_size(const char *arg)
2174 {
2175 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2176 fprintf(stderr, "Incorrect frame size\n");
2177 exit(1);
2178 }
2179 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2180 fprintf(stderr, "Frame size must be a multiple of 2\n");
2181 exit(1);
2182 }
2183 }
2184
2185
2186 #define SCALEBITS 10
2187 #define ONE_HALF (1 << (SCALEBITS - 1))
2188 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2189
2190 #define RGB_TO_Y(r, g, b) \
2191 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2192 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2193
2194 #define RGB_TO_U(r1, g1, b1, shift)\
2195 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2196 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2197
2198 #define RGB_TO_V(r1, g1, b1, shift)\
2199 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2200 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2201
2202 static void opt_pad_color(const char *arg) {
2203 /* Input is expected to be six hex digits similar to
2204 how colors are expressed in html tags (but without the #) */
2205 int rgb = strtol(arg, NULL, 16);
2206 int r,g,b;
2207
2208 r = (rgb >> 16);
2209 g = ((rgb >> 8) & 255);
2210 b = (rgb & 255);
2211
2212 padcolor[0] = RGB_TO_Y(r,g,b);
2213 padcolor[1] = RGB_TO_U(r,g,b,0);
2214 padcolor[2] = RGB_TO_V(r,g,b,0);
2215 }
2216
2217 static void opt_frame_pad_top(const char *arg)
2218 {
2219 frame_padtop = atoi(arg);
2220 if (frame_padtop < 0) {
2221 fprintf(stderr, "Incorrect top pad size\n");
2222 exit(1);
2223 }
2224 if ((frame_padtop % 2) != 0) {
2225 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2226 exit(1);
2227 }
2228 }
2229
2230 static void opt_frame_pad_bottom(const char *arg)
2231 {
2232 frame_padbottom = atoi(arg);
2233 if (frame_padbottom < 0) {
2234 fprintf(stderr, "Incorrect bottom pad size\n");
2235 exit(1);
2236 }
2237 if ((frame_padbottom % 2) != 0) {
2238 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2239 exit(1);
2240 }
2241 }
2242
2243
2244 static void opt_frame_pad_left(const char *arg)
2245 {
2246 frame_padleft = atoi(arg);
2247 if (frame_padleft < 0) {
2248 fprintf(stderr, "Incorrect left pad size\n");
2249 exit(1);
2250 }
2251 if ((frame_padleft % 2) != 0) {
2252 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2253 exit(1);
2254 }
2255 }
2256
2257
2258 static void opt_frame_pad_right(const char *arg)
2259 {
2260 frame_padright = atoi(arg);
2261 if (frame_padright < 0) {
2262 fprintf(stderr, "Incorrect right pad size\n");
2263 exit(1);
2264 }
2265 if ((frame_padright % 2) != 0) {
2266 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2267 exit(1);
2268 }
2269 }
2270
2271 void list_pix_fmts(void)
2272 {
2273 int i;
2274 char pix_fmt_str[128];
2275 for (i=-1; i < PIX_FMT_NB; i++) {
2276 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2277 fprintf(stdout, "%s\n", pix_fmt_str);
2278 }
2279 }
2280
2281 static void opt_frame_pix_fmt(const char *arg)
2282 {
2283 if (strcmp(arg, "list"))
2284 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2285 else {
2286 list_pix_fmts();
2287 exit(0);
2288 }
2289 }
2290
2291 static void opt_frame_aspect_ratio(const char *arg)
2292 {
2293 int x = 0, y = 0;
2294 double ar = 0;
2295 const char *p;
2296
2297 p = strchr(arg, ':');
2298 if (p) {
2299 x = strtol(arg, (char **)&arg, 10);
2300 if (arg == p)
2301 y = strtol(arg+1, (char **)&arg, 10);
2302 if (x > 0 && y > 0)
2303 ar = (double)x / (double)y;
2304 } else
2305 ar = strtod(arg, (char **)&arg);
2306
2307 if (!ar) {
2308 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2309 exit(1);
2310 }
2311 frame_aspect_ratio = ar;
2312 }
2313
2314 static void opt_qscale(const char *arg)
2315 {
2316 video_qscale = atof(arg);
2317 if (video_qscale <= 0 ||
2318 video_qscale > 255) {
2319 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2320 exit(1);
2321 }
2322 }
2323
2324 static void opt_qdiff(const char *arg)
2325 {
2326 video_qdiff = atoi(arg);
2327 if (video_qdiff < 0 ||
2328 video_qdiff > 31) {
2329 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2330 exit(1);
2331 }
2332 }
2333
2334 static void opt_strict(const char *arg)
2335 {
2336 strict= atoi(arg);
2337 }
2338
2339 static void opt_top_field_first(const char *arg)
2340 {
2341 top_field_first= atoi(arg);
2342 }
2343
2344 static void opt_thread_count(const char *arg)
2345 {
2346 thread_count= atoi(arg);
2347 #if !defined(HAVE_THREADS)
2348 if (verbose >= 0)
2349 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2350 #endif
2351 }
2352
2353 static void opt_audio_rate(const char *arg)
2354 {
2355 audio_sample_rate = atoi(arg);
2356 }
2357
2358 static void opt_audio_channels(const char *arg)
2359 {
2360 audio_channels = atoi(arg);
2361 }
2362
2363 static void opt_video_channel(const char *arg)
2364 {
2365 video_channel = strtol(arg, NULL, 0);
2366 }
2367
2368 static void opt_video_standard(const char *arg)
2369 {
2370 video_standard = av_strdup(arg);
2371 }
2372
2373 static void opt_codec(int *pstream_copy, char **pcodec_name,
2374 int codec_type, const char *arg)
2375 {
2376 av_freep(pcodec_name);
2377 if (!strcmp(arg, "copy")) {
2378 *pstream_copy = 1;
2379 } else {
2380 *pcodec_name = av_strdup(arg);
2381 }
2382 }
2383
2384 static void opt_audio_codec(const char *arg)
2385 {
2386 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2387 }
2388
2389 static void opt_audio_tag(const char *arg)
2390 {
2391 char *tail;
2392 audio_codec_tag= strtol(arg, &tail, 0);
2393
2394 if(!tail || *tail)
2395 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2396 }
2397
2398 static void opt_video_tag(const char *arg)
2399 {
2400 char *tail;
2401 video_codec_tag= strtol(arg, &tail, 0);
2402
2403 if(!tail || *tail)
2404 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2405 }
2406
2407 #ifdef CONFIG_VHOOK
2408 static void add_frame_hooker(const char *arg)
2409 {
2410 int argc = 0;
2411 char *argv[64];
2412 int i;
2413 char *args = av_strdup(arg);
2414
2415 using_vhook = 1;
2416
2417 argv[0] = strtok(args, " ");
2418 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2419 }
2420
2421 i = frame_hook_add(argc, argv);
2422
2423 if (i != 0) {
2424 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2425 exit(1);
2426 }
2427 }
2428 #endif
2429
2430 static void opt_video_codec(const char *arg)
2431 {
2432 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2433 }
2434
2435 static void opt_subtitle_codec(const char *arg)
2436 {
2437 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2438 }
2439
2440 static void opt_map(const char *arg)
2441 {
2442 AVStreamMap *m;
2443 const char *p;
2444
2445 p = arg;
2446 m = &stream_maps[nb_stream_maps++];
2447
2448 m->file_index = strtol(arg, (char **)&p, 0);
2449 if (*p)
2450 p++;
2451
2452 m->stream_index = strtol(p, (char **)&p, 0);
2453 if (*p) {
2454 p++;
2455 m->sync_file_index = strtol(p, (char **)&p, 0);
2456 if (*p)
2457 p++;
2458 m->sync_stream_index = strtol(p, (char **)&p, 0);
2459 } else {
2460 m->sync_file_index = m->file_index;
2461 m->sync_stream_index = m->stream_index;
2462 }
2463 }
2464
2465 static void opt_map_meta_data(const char *arg)
2466 {
2467 AVMetaDataMap *m;
2468 const char *p;
2469
2470 p = arg;
2471 m = &meta_data_maps[nb_meta_data_maps++];
2472
2473 m->out_file = strtol(arg, (char **)&p, 0);
2474 if (*p)
2475 p++;
2476
2477 m->in_file = strtol(p, (char **)&p, 0);
2478 }
2479
2480 static void opt_recording_time(const char *arg)
2481 {
2482 recording_time = parse_date(arg, 1);
2483 }
2484
2485 static void opt_start_time(const char *arg)
2486 {
2487 start_time = parse_date(arg, 1);
2488 }
2489
2490 static void opt_rec_timestamp(const char *arg)
2491 {
2492 rec_timestamp = parse_date(arg, 0) / 1000000;
2493 }
2494
2495 static void opt_input_ts_offset(const char *arg)
2496 {
2497 input_ts_offset = parse_date(arg, 1);
2498 }
2499
2500 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2501 {
2502 AVCodec *codec;
2503
2504 if(!name)
2505 return CODEC_ID_NONE;
2506 codec = encoder ?
2507 avcodec_find_encoder_by_name(name) :
2508 avcodec_find_decoder_by_name(name);
2509 if(!codec) {
2510 av_log(NULL, AV_LOG_ERROR, "Unknown codec '%s'\n", name);
2511 exit(1);
2512 }
2513 if(codec->type != type) {
2514 av_log(NULL, AV_LOG_ERROR, "Invalid codec type '%s'\n", name);
2515 exit(1);
2516 }
2517 return codec->id;
2518 }
2519
2520 static void opt_input_file(const char *filename)
2521 {
2522 AVFormatContext *ic;
2523 AVFormatParameters params, *ap = &params;
2524 int err, i, ret, rfps, rfps_base;
2525 int64_t timestamp;
2526
2527 if (!strcmp(filename, "-"))
2528 filename = "pipe:";
2529
2530 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2531 !strcmp( filename, "/dev/stdin" );
2532
2533 /* get default parameters from command line */
2534 ic = av_alloc_format_context();
2535
2536 memset(ap, 0, sizeof(*ap));
2537 ap->prealloced_context = 1;
2538 ap->sample_rate = audio_sample_rate;
2539 ap->channels = audio_channels;
2540 ap->time_base.den = frame_rate.num;
2541 ap->time_base.num = frame_rate.den;
2542 ap->width = frame_width + frame_padleft + frame_padright;
2543 ap->height = frame_height + frame_padtop + frame_padbottom;
2544 ap->pix_fmt = frame_pix_fmt;
2545 ap->channel = video_channel;
2546 ap->standard = video_standard;
2547 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2548 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2549 if(pgmyuv_compatibility_hack)
2550 ap->video_codec_id= CODEC_ID_PGMYUV;
2551
2552 for(i=0; i<opt_name_count; i++){
2553 const AVOption *opt;
2554 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2555 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2556 av_set_double(ic, opt_names[i], d);
2557 }
2558 /* open the input file with generic libav function */
2559 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2560 if (err < 0) {
2561 print_error(filename, err);
2562 exit(1);
2563 }
2564
2565 ic->loop_input = loop_input;
2566
2567 /* If not enough info to get the stream parameters, we decode the
2568 first frames to get it. (used in mpeg case for example) */
2569 ret = av_find_stream_info(ic);
2570 if (ret < 0 && verbose >= 0) {
2571 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2572 exit(1);
2573 }
2574
2575 timestamp = start_time;
2576 /* add the stream start time */
2577 if (ic->start_time != AV_NOPTS_VALUE)
2578 timestamp += ic->start_time;
2579
2580 /* if seeking requested, we execute it */
2581 if (start_time != 0) {
2582 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2583 if (ret < 0) {
2584 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2585 filename, (double)timestamp / AV_TIME_BASE);
2586 }
2587 /* reset seek info */
2588 start_time = 0;
2589 }
2590
2591 /* update the current parameters so that they match the one of the input stream */
2592 for(i=0;i<ic->nb_streams;i++) {
2593 int j;
2594 AVCodecContext *enc = ic->streams[i]->codec;
2595 if(thread_count>1)
2596 avcodec_thread_init(enc, thread_count);
2597 enc->thread_count= thread_count;
2598 switch(enc->codec_type) {
2599 case CODEC_TYPE_AUDIO:
2600 for(j=0; j<opt_name_count; j++){
2601 const AVOption *opt;
2602 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2603 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2604 av_set_double(enc, opt_names[j], d);
2605 }
2606 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2607 audio_channels = enc->channels;
2608 audio_sample_rate = enc->sample_rate;
2609 if(audio_disable)
2610 ic->streams[i]->discard= AVDISCARD_ALL;
2611 break;
2612 case CODEC_TYPE_VIDEO:
2613 for(j=0; j<opt_name_count; j++){
2614 const AVOption *opt;
2615 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2616 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2617 av_set_double(enc, opt_names[j], d);
2618 }
2619 frame_height = enc->height;
2620 frame_width = enc->width;
2621 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2622 frame_pix_fmt = enc->pix_fmt;
2623 rfps = ic->streams[i]->r_frame_rate.num;
2624 rfps_base = ic->streams[i]->r_frame_rate.den;
2625 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2626 if(me_threshold)
2627 enc->debug |= FF_DEBUG_MV;
2628
2629 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2630
2631 if (verbose >= 0)
2632 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2633 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2634
2635 (float)rfps / rfps_base, rfps, rfps_base);
2636 }
2637 /* update the current frame rate to match the stream frame rate */
2638 frame_rate.num = rfps;
2639 frame_rate.den = rfps_base;
2640
2641 enc->rate_emu = rate_emu;
2642 if(video_disable)
2643 ic->streams[i]->discard= AVDISCARD_ALL;
2644 else if(video_discard)
2645 ic->streams[i]->discard= video_discard;
2646 break;
2647 case CODEC_TYPE_DATA:
2648 break;
2649 case CODEC_TYPE_SUBTITLE:
2650 if(subtitle_disable)
2651 ic->streams[i]->discard = AVDISCARD_ALL;
2652 break;
2653 case CODEC_TYPE_UNKNOWN:
2654 break;
2655 default:
2656 abort();
2657 }
2658 }
2659
2660 input_files[nb_input_files] = ic;
2661 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2662 /* dump the file content */
2663 if (verbose >= 0)
2664 dump_format(ic, nb_input_files, filename, 0);
2665
2666 nb_input_files++;
2667 file_iformat = NULL;
2668 file_oformat = NULL;
2669
2670 video_channel = 0;
2671
2672 rate_emu = 0;
2673 }
2674
2675 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2676 int *has_subtitle_ptr)
2677 {
2678 int has_video, has_audio, has_subtitle, i, j;
2679 AVFormatContext *ic;
2680
2681 has_video = 0;
2682 has_audio = 0;
2683 has_subtitle = 0;
2684 for(j=0;j<nb_input_files;j++) {
2685 ic = input_files[j];
2686 for(i=0;i<ic->nb_streams;i++) {
2687 AVCodecContext *enc = ic->streams[i]->codec;
2688 switch(enc->codec_type) {
2689 case CODEC_TYPE_AUDIO:
2690 has_audio = 1;
2691 break;
2692 case CODEC_TYPE_VIDEO:
2693 has_video = 1;
2694 break;
2695 case CODEC_TYPE_SUBTITLE:
2696 has_subtitle = 1;
2697 break;
2698 case CODEC_TYPE_DATA:
2699 case CODEC_TYPE_UNKNOWN:
2700 break;
2701 default:
2702 abort();
2703 }
2704 }
2705 }
2706 *has_video_ptr = has_video;
2707 *has_audio_ptr = has_audio;
2708 *has_subtitle_ptr = has_subtitle;
2709 }
2710
2711 static void new_video_stream(AVFormatContext *oc)
2712 {
2713 AVStream *st;
2714 AVCodecContext *video_enc;
2715 int codec_id;
2716
2717 st = av_new_stream(oc, oc->nb_streams);
2718 if (!st) {
2719 fprintf(stderr, "Could not alloc stream\n");
2720 exit(1);
2721 }
2722 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2723 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2724 video_bitstream_filters= NULL;
2725
2726 if(thread_count>1)
2727 avcodec_thread_init(st->codec, thread_count);
2728
2729 video_enc = st->codec;
2730
2731 if(video_codec_tag)
2732 video_enc->codec_tag= video_codec_tag;
2733
2734 if( (video_global_header&1)
2735 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2736 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2737 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2738 }
2739 if(video_global_header&2){
2740 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2741 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2742 }
2743
2744 if (video_stream_copy) {
2745 st->stream_copy = 1;
2746 video_enc->codec_type = CODEC_TYPE_VIDEO;
2747 } else {
2748 char *p;
2749 int i;
2750 AVCodec *codec;
2751
2752 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2753 if (video_codec_name)
2754 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2755
2756 video_enc->codec_id = codec_id;
2757 codec = avcodec_find_encoder(codec_id);
2758
2759 for(i=0; i<opt_name_count; i++){
2760 const AVOption *opt;
2761 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2762 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2763 av_set_double(video_enc, opt_names[i], d);
2764 }
2765
2766 video_enc->time_base.den = frame_rate.num;
2767 video_enc->time_base.num = frame_rate.den;
2768 if(codec && codec->supported_framerates){
2769 const AVRational *p= codec->supported_framerates;
2770 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2771 const AVRational *best=NULL;
2772 AVRational best_error= (AVRational){INT_MAX, 1};
2773 for(; p->den!=0; p++){
2774 AVRational error= av_sub_q(req, *p);
2775 if(error.num <0) error.num *= -1;
2776 if(av_cmp_q(error, best_error) < 0){
2777 best_error= error;
2778 best= p;
2779 }
2780 }
2781 video_enc->time_base.den= best->num;
2782 video_enc->time_base.num= best->den;
2783 }
2784
2785 video_enc->width = frame_width + frame_padright + frame_padleft;
2786 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2787 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2788 video_enc->pix_fmt = frame_pix_fmt;
2789
2790 if(codec && codec->pix_fmts){
2791 const enum PixelFormat *p= codec->pix_fmts;
2792 for(; *p!=-1; p++){
2793 if(*p == video_enc->pix_fmt)
2794 break;
2795 }
2796 if(*p == -1)
2797 video_enc->pix_fmt = codec->pix_fmts[0];
2798 }
2799
2800 if (intra_only)
2801 video_enc->gop_size = 0;
2802 if (video_qscale || same_quality) {
2803 video_enc->flags |= CODEC_FLAG_QSCALE;
2804 video_enc->global_quality=
2805 st->quality = FF_QP2LAMBDA * video_qscale;
2806 }
2807
2808 if(intra_matrix)
2809 video_enc->intra_matrix = intra_matrix;
2810 if(inter_matrix)
2811 video_enc->inter_matrix = inter_matrix;
2812
2813 video_enc->max_qdiff = video_qdiff;
2814 video_enc->rc_eq = video_rc_eq;
2815 video_enc->thread_count = thread_count;
2816 p= video_rc_override_string;
2817 for(i=0; p; i++){
2818 int start, end, q;
2819 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2820 if(e!=3){
2821 fprintf(stderr, "error parsing rc_override\n");
2822 exit(1);
2823 }
2824 video_enc->rc_override=
2825 av_realloc(video_enc->rc_override,
2826 sizeof(RcOverride)*(i+1));
2827 video_enc->rc_override[i].start_frame= start;
2828 video_enc->rc_override[i].end_frame = end;
2829 if(q>0){
2830 video_enc->rc_override[i].qscale= q;
2831 video_enc->rc_override[i].quality_factor= 1.0;
2832 }
2833 else{
2834 video_enc->rc_override[i].qscale= 0;
2835 video_enc->rc_override[i].quality_factor= -q/100.0;
2836 }
2837 p= strchr(p, '/');
2838 if(p) p++;
2839 }
2840 video_enc->rc_override_count=i;
2841 if (!video_enc->rc_initial_buffer_occupancy)
2842 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2843 video_enc->me_threshold= me_threshold;
2844 video_enc->intra_dc_precision= intra_dc_precision - 8;
2845 video_enc->strict_std_compliance = strict;
2846
2847 if (do_psnr)
2848 video_enc->flags|= CODEC_FLAG_PSNR;
2849
2850 /* two pass mode */
2851 if (do_pass) {
2852 if (do_pass == 1) {
2853 video_enc->flags |= CODEC_FLAG_PASS1;
2854 } else {
2855 video_enc->flags |= CODEC_FLAG_PASS2;
2856 }
2857 }
2858 }
2859
2860 /* reset some key parameters */
2861 video_disable = 0;
2862 av_freep(&video_codec_name);
2863 video_stream_copy = 0;
2864 }
2865
2866 static void new_audio_stream(AVFormatContext *oc)
2867 {
2868 AVStream *st;
2869 AVCodecContext *audio_enc;
2870 int codec_id, i;
2871
2872 st = av_new_stream(oc, oc->nb_streams);
2873 if (!st) {
2874 fprintf(stderr, "Could not alloc stream\n");
2875 exit(1);
2876 }
2877 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2878
2879 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2880 audio_bitstream_filters= NULL;
2881
2882 if(thread_count>1)
2883 avcodec_thread_init(st->codec, thread_count);
2884
2885 audio_enc = st->codec;
2886 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2887 audio_enc->strict_std_compliance = strict;
2888
2889 if(audio_codec_tag)
2890 audio_enc->codec_tag= audio_codec_tag;
2891
2892 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2893 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2894 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2895 }
2896 if (audio_stream_copy) {
2897 st->stream_copy = 1;
2898 audio_enc->channels = audio_channels;
2899 } else {
2900 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2901
2902 for(i=0; i<opt_name_count; i++){
2903 const AVOption *opt;
2904 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2905 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2906 av_set_double(audio_enc, opt_names[i], d);
2907 }
2908
2909 if (audio_codec_name)
2910 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2911 audio_enc->codec_id = codec_id;
2912
2913 if (audio_qscale > QSCALE_NONE) {
2914 audio_enc->flags |= CODEC_FLAG_QSCALE;
2915 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2916 }
2917 audio_enc->thread_count = thread_count;
2918 audio_enc->channels = audio_channels;
2919 }
2920 audio_enc->sample_rate = audio_sample_rate;
2921 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2922 if (audio_language) {
2923 av_strlcpy(st->language, audio_language, sizeof(st->language));
2924 av_free(audio_language);
2925 audio_language = NULL;
2926 }
2927
2928 /* reset some key parameters */
2929 audio_disable = 0;
2930 av_freep(&audio_codec_name);
2931 audio_stream_copy = 0;
2932 }
2933
2934 static void new_subtitle_stream(AVFormatContext *oc)
2935 {
2936 AVStream *st;
2937 AVCodecContext *subtitle_enc;
2938 int i;
2939
2940 st = av_new_stream(oc, oc->nb_streams);
2941 if (!st) {
2942 fprintf(stderr, "Could not alloc stream\n");
2943 exit(1);
2944 }
2945 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2946
2947 subtitle_enc = st->codec;
2948 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2949 if (subtitle_stream_copy) {
2950 st->stream_copy = 1;
2951 } else {
2952 for(i=0; i<opt_name_count; i++){
2953 const AVOption *opt;
2954 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2955 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2956 av_set_double(subtitle_enc, opt_names[i], d);
2957 }
2958 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2959 }
2960
2961 if (subtitle_language) {
2962 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2963 av_free(subtitle_language);
2964 subtitle_language = NULL;
2965 }
2966
2967 subtitle_disable = 0;
2968 av_freep(&subtitle_codec_name);
2969 subtitle_stream_copy = 0;
2970 }
2971
2972 static void opt_new_audio_stream(void)
2973 {
2974 AVFormatContext *oc;
2975 if (nb_output_files <= 0) {
2976 fprintf(stderr, "At least one output file must be specified\n");
2977 exit(1);
2978 }
2979 oc = output_files[nb_output_files - 1];
2980 new_audio_stream(oc);
2981 }
2982
2983 static void opt_new_video_stream(void)
2984 {
2985 AVFormatContext *oc;
2986 if (nb_output_files <= 0) {
2987 fprintf(stderr, "At least one output file must be specified\n");
2988 exit(1);
2989 }
2990 oc = output_files[nb_output_files - 1];
2991 new_video_stream(oc);
2992 }
2993
2994 static void opt_new_subtitle_stream(void)
2995 {
2996 AVFormatContext *oc;
2997 if (nb_output_files <= 0) {
2998 fprintf(stderr, "At least one output file must be specified\n");
2999 exit(1);
3000 }
3001 oc = output_files[nb_output_files - 1];
3002 new_subtitle_stream(oc);
3003 }
3004
3005 static void opt_output_file(const char *filename)
3006 {
3007 AVFormatContext *oc;
3008 int use_video, use_audio, use_subtitle;
3009 int input_has_video, input_has_audio, input_has_subtitle, i;
3010 AVFormatParameters params, *ap = &params;
3011
3012 if (!strcmp(filename, "-"))
3013 filename = "pipe:";
3014
3015 oc = av_alloc_format_context();
3016
3017 if (!file_oformat) {
3018 file_oformat = guess_format(NULL, filename, NULL);
3019 if (!file_oformat) {
3020 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3021 filename);
3022 exit(1);
3023 }
3024 }
3025
3026 oc->oformat = file_oformat;
3027 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3028
3029 if (!strcmp(file_oformat->name, "ffm") &&
3030 av_strstart(filename, "http:", NULL)) {
3031 /* special case for files sent to ffserver: we get the stream
3032 parameters from ffserver */
3033 if (read_ffserver_streams(oc, filename) < 0) {
3034 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3035 exit(1);
3036 }
3037 } else {
3038 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3039 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3040 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3041
3042 /* disable if no corresponding type found and at least one
3043 input file */
3044 if (nb_input_files > 0) {
3045 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3046 &input_has_subtitle);
3047 if (!input_has_video)
3048 use_video = 0;
3049 if (!input_has_audio)
3050 use_audio = 0;
3051 if (!input_has_subtitle)
3052 use_subtitle = 0;
3053 }
3054
3055 /* manual disable */
3056 if (audio_disable) {
3057 use_audio = 0;
3058 }
3059 if (video_disable) {
3060 use_video = 0;
3061 }
3062 if (subtitle_disable) {
3063 use_subtitle = 0;
3064 }
3065
3066 if (use_video) {
3067 new_video_stream(oc);
3068 }
3069
3070 if (use_audio) {
3071 new_audio_stream(oc);
3072 }
3073
3074 if (use_subtitle) {
3075 new_subtitle_stream(oc);
3076 }
3077
3078 oc->timestamp = rec_timestamp;
3079
3080 if (str_title)
3081 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3082 if (str_author)
3083 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3084 if (str_copyright)
3085 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3086 if (str_comment)
3087 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3088 if (str_album)
3089 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3090 }
3091
3092 output_files[nb_output_files++] = oc;
3093
3094 /* check filename in case of an image number is expected */
3095 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3096 if (!av_filename_number_test(oc->filename)) {
3097 print_error(oc->filename, AVERROR_NUMEXPECTED);
3098 exit(1);
3099 }
3100 }
3101
3102 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3103 /* test if it already exists to avoid loosing precious files */
3104 if (!file_overwrite &&
3105 (strchr(filename, ':') == NULL ||
3106 av_strstart(filename, "file:", NULL))) {
3107 if (url_exist(filename)) {
3108 int c;
3109
3110 if ( !using_stdin ) {
3111 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3112 fflush(stderr);
3113 c = getchar();
3114 if (toupper(c) != 'Y') {
3115 fprintf(stderr, "Not overwriting - exiting\n");
3116 exit(1);
3117 }
3118 }
3119 else {
3120 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3121 exit(1);
3122 }
3123 }
3124 }
3125
3126 /* open the file */
3127 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3128 fprintf(stderr, "Could not open '%s'\n", filename);
3129 exit(1);
3130 }
3131 }
3132
3133 memset(ap, 0, sizeof(*ap));
3134 if (av_set_parameters(oc, ap) < 0) {
3135 fprintf(stderr, "%s: Invalid encoding parameters\n",
3136 oc->filename);
3137 exit(1);
3138 }
3139
3140 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3141 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3142 oc->loop_output = loop_output;
3143
3144 for(i=0; i<opt_name_count; i++){
3145 const AVOption *opt;
3146 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3147 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3148 av_set_double(oc, opt_names[i], d);
3149 }
3150
3151 /* reset some options */
3152 file_oformat = NULL;
3153 file_iformat = NULL;
3154 }
3155
3156 /* same option as mencoder */
3157 static void opt_pass(const char *pass_str)
3158 {
3159 int pass;
3160 pass = atoi(pass_str);
3161 if (pass != 1 && pass != 2) {
3162 fprintf(stderr, "pass number can be only 1 or 2\n");
3163 exit(1);
3164 }
3165 do_pass = pass;
3166 }
3167
3168 static int64_t getutime(void)
3169 {
3170 #ifdef HAVE_GETRUSAGE
3171 struct rusage rusage;
3172
3173 getrusage(RUSAGE_SELF, &rusage);
3174 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3175 #elif defined(HAVE_GETPROCESSTIMES)
3176 HANDLE proc;
3177 FILETIME c, e, k, u;
3178 proc = GetCurrentProcess();
3179 GetProcessTimes(proc, &c, &e, &k, &u);
3180 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3181 #else
3182 return av_gettime();
3183 #endif
3184 }
3185
3186 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3187 extern int ffm_nopts;
3188 #endif
3189
3190 static void opt_show_formats(void)
3191 {
3192 AVInputFormat *ifmt;
3193 AVOutputFormat *ofmt;
3194 URLProtocol *up;
3195 AVCodec *p, *p2;
3196 const char *last_name;
3197
3198 printf("File formats:\n");
3199 last_name= "000";
3200 for(;;){
3201 int decode=0;
3202 int encode=0;
3203 const char *name=NULL;
3204 const char *long_name=NULL;
3205
3206 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3207 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3208 strcmp(ofmt->name, last_name)>0){
3209 name= ofmt->name;
3210 long_name= ofmt->long_name;
3211 encode=1;
3212 }
3213 }
3214 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3215 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3216 strcmp(ifmt->name, last_name)>0){
3217 name= ifmt->name;
3218 long_name= ifmt->long_name;
3219 encode=0;
3220 }
3221 if(name && strcmp(ifmt->name, name)==0)
3222 decode=1;
3223 }
3224 if(name==NULL)
3225 break;
3226 last_name= name;
3227
3228 printf(
3229 " %s%s %-15s %s\n",
3230 decode ? "D":" ",
3231 encode ? "E":" ",
3232 name,
3233 long_name ? long_name:" ");
3234 }
3235 printf("\n");
3236
3237 printf("Codecs:\n");
3238 last_name= "000";
3239 for(;;){
3240 int decode=0;
3241 int encode=0;
3242 int cap=0;
3243 const char *type_str;
3244
3245 p2=NULL;
3246 for(p = first_avcodec; p != NULL; p = p->next) {
3247 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3248 strcmp(p->name, last_name)>0){
3249 p2= p;
3250 decode= encode= cap=0;
3251 }
3252 if(p2 && strcmp(p->name, p2->name)==0){
3253 if(p->decode) decode=1;
3254 if(p->encode) encode=1;
3255 cap |= p->capabilities;
3256 }
3257 }
3258 if(p2==NULL)
3259 break;
3260 last_name= p2->name;
3261
3262 switch(p2->type) {
3263 case CODEC_TYPE_VIDEO:
3264 type_str = "V";
3265 break;
3266 case CODEC_TYPE_AUDIO:
3267 type_str = "A";
3268 break;
3269 case CODEC_TYPE_SUBTITLE:
3270 type_str = "S";
3271 break;
3272 default:
3273 type_str = "?";
3274 break;
3275 }
3276 printf(
3277 " %s%s%s%s%s%s %s",
3278 decode ? "D": (/*p2->decoder ? "d":*/" "),
3279 encode ? "E":" ",
3280 type_str,
3281 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3282 cap & CODEC_CAP_DR1 ? "D":" ",
3283 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3284 p2->name);
3285 /* if(p2->decoder && decode==0)
3286 printf(" use %s for decoding", p2->decoder->name);*/
3287 printf("\n");
3288 }
3289 printf("\n");
3290
3291 printf("Supported file protocols:\n");
3292 for(up = first_protocol; up != NULL; up = up->next)
3293 printf(" %s:", up->name);
3294 printf("\n");
3295
3296 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3297 printf("\n");
3298 printf(
3299 "Note, the names of encoders and decoders do not always match, so there are\n"
3300 "several cases where the above table shows encoder only or decoder only entries\n"
3301 "even though both encoding and decoding are supported. For example, the h263\n"
3302 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
3303 "worse.\n");
3304 exit(0);
3305 }
3306
3307 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3308 {
3309 int i;
3310 const char *p = str;
3311 for(i = 0;; i++) {
3312 dest[i] = atoi(p);
3313 if(i == 63)
3314 break;
3315 p = strchr(p, ',');
3316 if(!p) {
3317 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3318 exit(1);
3319 }
3320 p++;
3321 }
3322 }
3323
3324 static void opt_inter_matrix(const char *arg)
3325 {
3326 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3327 parse_matrix_coeffs(inter_matrix, arg);
3328 }
3329
3330 static void opt_intra_matrix(const char *arg)
3331 {
3332 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3333 parse_matrix_coeffs(intra_matrix, arg);
3334 }
3335
3336 static void opt_show_help(void)
3337 {
3338 show_help();
3339 exit(0);
3340 }
3341
3342 static void opt_target(const char *arg)
3343 {
3344 int norm = -1;
3345 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3346
3347 if(!strncmp(arg, "pal-", 4)) {
3348 norm = 0;
3349 arg += 4;
3350 } else if(!strncmp(arg, "ntsc-", 5)) {
3351 norm = 1;
3352 arg += 5;
3353 } else if(!strncmp(arg, "film-", 5)) {
3354 norm = 2;
3355 arg += 5;
3356 } else {
3357 int fr;
3358 /* Calculate FR via float to avoid int overflow */
3359 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3360 if(fr == 25000) {
3361 norm = 0;
3362 } else if((fr == 29970) || (fr == 23976)) {
3363 norm = 1;
3364 } else {
3365 /* Try to determine PAL/NTSC by peeking in the input files */
3366 if(nb_input_files) {
3367 int i, j;
3368 for(j = 0; j < nb_input_files; j++) {
3369 for(i = 0; i < input_files[j]->nb_streams; i++) {
3370 AVCodecContext *c = input_files[j]->streams[i]->codec;
3371 if(c->codec_type != CODEC_TYPE_VIDEO)
3372 continue;
3373 fr = c->time_base.den * 1000 / c->time_base.num;
3374 if(fr == 25000) {
3375 norm = 0;
3376 break;
3377 } else if((fr == 29970) || (fr == 23976)) {
3378 norm = 1;
3379 break;
3380 }
3381 }
3382 if(norm >= 0)
3383 break;
3384 }
3385 }
3386 }
3387 if(verbose && norm >= 0)
3388 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3389 }
3390
3391 if(norm < 0) {
3392 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3393 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3394 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3395 exit(1);
3396 }
3397
3398 if(!strcmp(arg, "vcd")) {
3399
3400 opt_video_codec("mpeg1video");
3401 opt_audio_codec("mp2");
3402 opt_format("vcd");
3403
3404 opt_frame_size(norm ? "352x240" : "352x288");
3405 opt_frame_rate(frame_rates[norm]);
3406 opt_default("gop", norm ? "18" : "15");
3407
3408 opt_default("b", "1150000");
3409 opt_default("maxrate", "1150000");
3410 opt_default("minrate", "1150000");
3411 opt_default("bufsize", "327680"); // 40*1024*8;
3412
3413 opt_default("ab", "224000");
3414 audio_sample_rate = 44100;
3415 audio_channels = 2;
3416
3417 opt_default("packetsize", "2324");
3418 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3419
3420 /* We have to offset the PTS, so that it is consistent with the SCR.
3421 SCR starts at 36000, but the first two packs contain only padding
3422 and the first pack from the other stream, respectively, may also have
3423 been written before.
3424 So the real data starts at SCR 36000+3*1200. */
3425 mux_preload= (36000+3*1200) / 90000.0; //0.44
3426 } else if(!strcmp(arg, "svcd")) {
3427
3428 opt_video_codec("mpeg2video");
3429 opt_audio_codec("mp2");
3430 opt_format("svcd");
3431
3432 opt_frame_size(norm ? "480x480" : "480x576");
3433 opt_frame_rate(frame_rates[norm]);
3434 opt_default("gop", norm ? "18" : "15");
3435
3436 opt_default("b", "2040000");
3437 opt_default("maxrate", "2516000");
3438 opt_default("minrate", "0"); //1145000;
3439 opt_default("bufsize", "1835008"); //224*1024*8;
3440 opt_default("flags", "+SCAN_OFFSET");
3441
3442
3443 opt_default("ab", "224000");
3444 audio_sample_rate = 44100;
3445
3446 opt_default("packetsize", "2324");
3447
3448 } else if(!strcmp(arg, "dvd")) {
3449
3450 opt_video_codec("mpeg2video");
3451 opt_audio_codec("ac3");
3452 opt_format("dvd");
3453
3454 opt_frame_size(norm ? "720x480" : "720x576");
3455 opt_frame_rate(frame_rates[norm]);
3456 opt_default("gop", norm ? "18" : "15");
3457
3458 opt_default("b", "6000000");
3459 opt_default("maxrate", "9000000");
3460 opt_default("minrate", "0"); //1500000;
3461 opt_default("bufsize", "1835008"); //224*1024*8;
3462
3463 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3464 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3465
3466 opt_default("ab", "448000");
3467 audio_sample_rate = 48000;
3468
3469 } else if(!strncmp(arg, "dv", 2)) {
3470
3471 opt_format("dv");
3472
3473 opt_frame_size(norm ? "720x480" : "720x576");
3474 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3475 (norm ? "yuv411p" : "yuv420p"));
3476 opt_frame_rate(frame_rates[norm]);
3477
3478 audio_sample_rate = 48000;
3479 audio_channels = 2;
3480
3481 } else {
3482 fprintf(stderr, "Unknown target: %s\n", arg);
3483 exit(1);
3484 }
3485 }
3486
3487 static void opt_vstats_file (const char *arg)
3488 {
3489 av_free (vstats_filename);
3490 vstats_filename=av_strdup (arg);
3491 }
3492
3493 static void opt_vstats (void)
3494 {
3495 char filename[40];
3496 time_t today2 = time(NULL);
3497 struct tm *today = localtime(&today2);
3498
3499 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3500 today->tm_sec);
3501 opt_vstats_file(filename);
3502 }
3503
3504 static void opt_video_bsf(const char *arg)
3505 {
3506 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3507 AVBitStreamFilterContext **bsfp;
3508
3509 if(!bsfc){
3510 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3511 exit(1);
3512 }
3513
3514 bsfp= &video_bitstream_filters;
3515 while(*bsfp)
3516 bsfp= &(*bsfp)->next;
3517
3518 *bsfp= bsfc;
3519 }
3520
3521 //FIXME avoid audio - video code duplication
3522 static void opt_audio_bsf(const char *arg)
3523 {
3524 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3525 AVBitStreamFilterContext **bsfp;
3526
3527 if(!bsfc){
3528 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3529 exit(1);
3530 }
3531
3532 bsfp= &audio_bitstream_filters;
3533 while(*bsfp)
3534 bsfp= &(*bsfp)->next;
3535
3536 *bsfp= bsfc;
3537 }
3538
3539 static void opt_show_version(void)
3540 {
3541 /* TODO: add function interface to avutil and avformat */
3542 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3543 "libavutil %d\n"
3544 "libavcodec %d\n"
3545 "libavformat %d\n",
3546 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3547 exit(0);
3548 }
3549
3550 static int opt_default(const char *opt, const char *arg){
3551 int type;
3552 const AVOption *o= NULL;
3553 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
3554
3555 for(type=0; type<CODEC_TYPE_NB; type++){
3556 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
3557 if(o2)
3558 o = av_set_string(avctx_opts[type], opt, arg);
3559 }
3560 if(!o)
3561 o = av_set_string(avformat_opts, opt, arg);
3562 if(!o)
3563 o = av_set_string(sws_opts, opt, arg);
3564 if(!o){
3565 if(opt[0] == 'a')
3566 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
3567 else if(opt[0] == 'v')
3568 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
3569 else if(opt[0] == 's')
3570 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
3571 }
3572 if(!o)
3573 return -1;
3574
3575 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
3576
3577 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3578 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3579 opt_names[opt_name_count++]= o->name;
3580
3581 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3582 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3583 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
3584 ffm_nopts = 1;
3585 #endif
3586
3587 if(avctx_opts[0]->debug)
3588 av_log_level = AV_LOG_DEBUG;
3589 return 0;
3590 }
3591
3592 const OptionDef options[] = {
3593 /* main options */
3594 { "L", 0, {(void*)opt_show_license}, "show license" },
3595 { "h", 0, {(void*)opt_show_help}, "show help" },
3596 { "version", 0, {(void*)opt_show_version}, "show version" },
3597 { "formats", 0, {(void*)opt_show_formats}, "show available formats, codecs, protocols, ..." },
3598 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3599 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3600 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3601 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3602 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3603 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3604 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3605 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3606 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3607 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3608 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3609 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3610 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3611 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3612 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3613 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3614 "add timings for benchmarking" },
3615 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3616 "dump each input packet" },
3617 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3618 "when dumping packets, also dump the payload" },
3619 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3620 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3621 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3622 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3623 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3624 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3625 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3626 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3627 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "" },
3628 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3629 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3630 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3631 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3632
3633 /* video options */
3634 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3635 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3636 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3637 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3638 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3639 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3640 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3641 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3642 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3643 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3644 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3645 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3646 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3647 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3648 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3649 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3650 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3651 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3652 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3653 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantizer scale (VBR)", "q" },
3654 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3655 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3656 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3657 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3658 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3659 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3660 "use same video quality as source (implies VBR)" },
3661 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3662 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3663 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3664 "deinterlace pictures" },
3665 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3666 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats