af0d40ffd36fc2f44e36ccfe9db6aa1a562ce71d
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include "avformat.h"
21 #include "framehook.h"
22
23 #ifndef CONFIG_WIN32
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <sys/ioctl.h>
27 #include <sys/time.h>
28 #include <termios.h>
29 #include <sys/resource.h>
30 #endif
31 #include <time.h>
32 #include <ctype.h>
33
34 #if !defined(INFINITY) && defined(HUGE_VAL)
35 #define INFINITY HUGE_VAL
36 #endif
37
38 #define MAXINT64 INT64_C(0x7fffffffffffffff)
39
40 typedef struct {
41 const char *name;
42 int flags;
43 #define HAS_ARG 0x0001
44 #define OPT_BOOL 0x0002
45 #define OPT_EXPERT 0x0004
46 #define OPT_STRING 0x0008
47 union {
48 void (*func_arg)();
49 int *int_arg;
50 char **str_arg;
51 } u;
52 const char *help;
53 const char *argname;
54 } OptionDef;
55
56 /* select an input stream for an output stream */
57 typedef struct AVStreamMap {
58 int file_index;
59 int stream_index;
60 } AVStreamMap;
61
62 extern const OptionDef options[];
63
64 void show_help(void);
65
66 #define MAX_FILES 20
67
68 static AVFormatContext *input_files[MAX_FILES];
69 static int nb_input_files = 0;
70
71 static AVFormatContext *output_files[MAX_FILES];
72 static int nb_output_files = 0;
73
74 static AVStreamMap stream_maps[MAX_FILES];
75 static int nb_stream_maps;
76
77 static AVInputFormat *file_iformat;
78 static AVOutputFormat *file_oformat;
79 static int frame_width = 160;
80 static int frame_height = 128;
81 static int frame_topBand = 0;
82 static int frame_bottomBand = 0;
83 static int frame_leftBand = 0;
84 static int frame_rightBand = 0;
85 static int frame_rate = 25 * FRAME_RATE_BASE;
86 extern int emulate_frame_rate;
87 static int video_bit_rate = 200*1000;
88 static int video_bit_rate_tolerance = 4000*1000;
89 static int video_qscale = 0;
90 static int video_qmin = 2;
91 static int video_qmax = 31;
92 static int video_qdiff = 3;
93 static float video_qblur = 0.5;
94 static float video_qcomp = 0.5;
95 #if 0 //experimental, (can be removed)
96 static float video_rc_qsquish=1.0;
97 static float video_rc_qmod_amp=0;
98 static int video_rc_qmod_freq=0;
99 #endif
100 static char *video_rc_override_string=NULL;
101 static char *video_rc_eq="tex^qComp";
102 static int video_rc_buffer_size=0;
103 static float video_rc_buffer_aggressivity=1.0;
104 static int video_rc_max_rate=0;
105 static int video_rc_min_rate=0;
106 static float video_rc_initial_cplx=0;
107 static float video_b_qfactor = 1.25;
108 static float video_b_qoffset = 1.25;
109 static float video_i_qfactor = -0.8;
110 static float video_i_qoffset = 0.0;
111 static int me_method = 0;
112 static int video_disable = 0;
113 static int video_codec_id = CODEC_ID_NONE;
114 static int same_quality = 0;
115 static int b_frames = 0;
116 static int use_hq = 0;
117 static int use_4mv = 0;
118 static int do_deinterlace = 0;
119 static int workaround_bugs = FF_BUG_AUTODETECT;
120 static int error_resilience = 2;
121 static int error_concealment = 3;
122 static int dct_algo = 0;
123 static int idct_algo = 0;
124 static int use_part = 0;
125 static int packet_size = 0;
126
127 static int gop_size = 12;
128 static int intra_only = 0;
129 static int audio_sample_rate = 44100;
130 static int audio_bit_rate = 64000;
131 static int audio_disable = 0;
132 static int audio_channels = 1;
133 static int audio_codec_id = CODEC_ID_NONE;
134
135 static INT64 recording_time = 0;
136 static int file_overwrite = 0;
137 static char *str_title = NULL;
138 static char *str_author = NULL;
139 static char *str_copyright = NULL;
140 static char *str_comment = NULL;
141 static int do_benchmark = 0;
142 static int do_hex_dump = 0;
143 static int do_play = 0;
144 static int do_psnr = 0;
145 static int do_vstats = 0;
146 static int do_pass = 0;
147 static char *pass_logfilename = NULL;
148 static int audio_stream_copy = 0;
149 static int video_stream_copy = 0;
150
151 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
152
153 #if !defined(CONFIG_AUDIO_OSS) && !defined(CONFIG_AUDIO_BEOS)
154 const char *audio_device = "none";
155 #endif
156 #ifndef CONFIG_VIDEO4LINUX
157 const char *v4l_device = "none";
158 #endif
159
160 typedef struct AVOutputStream {
161 int file_index; /* file index */
162 int index; /* stream index in the output file */
163 int source_index; /* AVInputStream index */
164 AVStream *st; /* stream in the output file */
165 int encoding_needed; /* true if encoding needed for this stream */
166 int frame_number;
167 /* input pts and corresponding output pts
168 for A/V sync */
169 double sync_ipts;
170 double sync_ipts_offset;
171 INT64 sync_opts;
172 /* video only */
173 int video_resample; /* video_resample and video_crop are mutually exclusive */
174 AVPicture pict_tmp; /* temporary image for resampling */
175 ImgReSampleContext *img_resample_ctx; /* for image resampling */
176
177 int video_crop; /* video_resample and video_crop are mutually exclusive */
178 int topBand; /* cropping area sizes */
179 int leftBand;
180
181 /* audio only */
182 int audio_resample;
183 ReSampleContext *resample; /* for audio resampling */
184 FifoBuffer fifo; /* for compression: one audio fifo per codec */
185 FILE *logfile;
186 } AVOutputStream;
187
188 typedef struct AVInputStream {
189 int file_index;
190 int index;
191 AVStream *st;
192 int discard; /* true if stream data should be discarded */
193 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
194 INT64 sample_index; /* current sample */
195 int frame_decoded; /* true if a video or audio frame has been decoded */
196 } AVInputStream;
197
198 typedef struct AVInputFile {
199 int eof_reached; /* true if eof reached */
200 int ist_index; /* index of first stream in ist_table */
201 int buffer_size; /* current total buffer size */
202 int buffer_size_max; /* buffer size at which we consider we can stop
203 buffering */
204 int nb_streams; /* nb streams we are aware of */
205 } AVInputFile;
206
207 #ifndef CONFIG_WIN32
208
209 /* init terminal so that we can grab keys */
210 static struct termios oldtty;
211
212 static void term_exit(void)
213 {
214 tcsetattr (0, TCSANOW, &oldtty);
215 }
216
217 static void term_init(void)
218 {
219 struct termios tty;
220
221 tcgetattr (0, &tty);
222 oldtty = tty;
223
224 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
225 |INLCR|IGNCR|ICRNL|IXON);
226 tty.c_oflag |= OPOST;
227 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
228 tty.c_cflag &= ~(CSIZE|PARENB);
229 tty.c_cflag |= CS8;
230 tty.c_cc[VMIN] = 1;
231 tty.c_cc[VTIME] = 0;
232
233 tcsetattr (0, TCSANOW, &tty);
234
235 atexit(term_exit);
236 #ifdef CONFIG_BEOS_NETSERVER
237 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
238 #endif
239 }
240
241 /* read a key without blocking */
242 static int read_key(void)
243 {
244 int n = 1;
245 unsigned char ch;
246 #ifndef CONFIG_BEOS_NETSERVER
247 struct timeval tv;
248 fd_set rfds;
249
250 FD_ZERO(&rfds);
251 FD_SET(0, &rfds);
252 tv.tv_sec = 0;
253 tv.tv_usec = 0;
254 n = select(1, &rfds, NULL, NULL, &tv);
255 #endif
256 if (n > 0) {
257 n = read(0, &ch, 1);
258 if (n == 1)
259 return ch;
260
261 return n;
262 }
263 return -1;
264 }
265
266 #else
267
268 /* no interactive support */
269 static void term_exit(void)
270 {
271 }
272
273 static void term_init(void)
274 {
275 }
276
277 static int read_key(void)
278 {
279 return 0;
280 }
281
282 #endif
283
284 int read_ffserver_streams(AVFormatContext *s, const char *filename)
285 {
286 int i, err;
287 AVFormatContext *ic;
288
289 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
290 if (err < 0)
291 return err;
292 /* copy stream format */
293 s->nb_streams = ic->nb_streams;
294 for(i=0;i<ic->nb_streams;i++) {
295 AVStream *st;
296
297 st = av_mallocz(sizeof(AVFormatContext));
298 memcpy(st, ic->streams[i], sizeof(AVStream));
299 s->streams[i] = st;
300 }
301
302 av_close_input_file(ic);
303 return 0;
304 }
305
306 #define MAX_AUDIO_PACKET_SIZE 16384
307
308 static void do_audio_out(AVFormatContext *s,
309 AVOutputStream *ost,
310 AVInputStream *ist,
311 unsigned char *buf, int size)
312 {
313 UINT8 *buftmp;
314 UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
315 UINT8 audio_out[4*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it - yep really WMA */
316 int size_out, frame_bytes, ret;
317 AVCodecContext *enc;
318
319 enc = &ost->st->codec;
320
321 if (ost->audio_resample) {
322 buftmp = audio_buf;
323 size_out = audio_resample(ost->resample,
324 (short *)buftmp, (short *)buf,
325 size / (ist->st->codec.channels * 2));
326 size_out = size_out * enc->channels * 2;
327 } else {
328 buftmp = buf;
329 size_out = size;
330 }
331
332 /* now encode as many frames as possible */
333 if (enc->frame_size > 1) {
334 /* output resampled raw samples */
335 fifo_write(&ost->fifo, buftmp, size_out,
336 &ost->fifo.wptr);
337
338 frame_bytes = enc->frame_size * 2 * enc->channels;
339
340 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
341 &ost->fifo.rptr) == 0) {
342 ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
343 (short *)audio_buf);
344 av_write_frame(s, ost->index, audio_out, ret);
345 }
346 } else {
347 /* output a pcm frame */
348 /* XXX: change encoding codec API to avoid this ? */
349 switch(enc->codec->id) {
350 case CODEC_ID_PCM_S16LE:
351 case CODEC_ID_PCM_S16BE:
352 case CODEC_ID_PCM_U16LE:
353 case CODEC_ID_PCM_U16BE:
354 break;
355 default:
356 size_out = size_out >> 1;
357 break;
358 }
359 ret = avcodec_encode_audio(enc, audio_out, size_out,
360 (short *)buftmp);
361 av_write_frame(s, ost->index, audio_out, ret);
362 }
363 }
364
365 /* write a picture to a raw mux */
366 static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
367 int pix_fmt, int w, int h)
368 {
369 UINT8 *buf, *src, *dest;
370 int size, j, i;
371
372 /* XXX: not efficient, should add test if we can take
373 directly the AVPicture */
374 switch(pix_fmt) {
375 case PIX_FMT_YUV420P:
376 size = avpicture_get_size(pix_fmt, w, h);
377 buf = av_malloc(size);
378 if (!buf)
379 return;
380 dest = buf;
381 for(i=0;i<3;i++) {
382 if (i == 1) {
383 w >>= 1;
384 h >>= 1;
385 }
386 src = picture->data[i];
387 for(j=0;j<h;j++) {
388 memcpy(dest, src, w);
389 dest += w;
390 src += picture->linesize[i];
391 }
392 }
393 break;
394 case PIX_FMT_YUV422P:
395 size = (w * h) * 2;
396 buf = av_malloc(size);
397 if (!buf)
398 return;
399 dest = buf;
400 for(i=0;i<3;i++) {
401 if (i == 1) {
402 w >>= 1;
403 }
404 src = picture->data[i];
405 for(j=0;j<h;j++) {
406 memcpy(dest, src, w);
407 dest += w;
408 src += picture->linesize[i];
409 }
410 }
411 break;
412 case PIX_FMT_YUV444P:
413 size = (w * h) * 3;
414 buf = av_malloc(size);
415 if (!buf)
416 return;
417 dest = buf;
418 for(i=0;i<3;i++) {
419 src = picture->data[i];
420 for(j=0;j<h;j++) {
421 memcpy(dest, src, w);
422 dest += w;
423 src += picture->linesize[i];
424 }
425 }
426 break;
427 case PIX_FMT_YUV422:
428 size = (w * h) * 2;
429 buf = av_malloc(size);
430 if (!buf)
431 return;
432 dest = buf;
433 src = picture->data[0];
434 for(j=0;j<h;j++) {
435 memcpy(dest, src, w * 2);
436 dest += w * 2;
437 src += picture->linesize[0];
438 }
439 break;
440 case PIX_FMT_RGB24:
441 case PIX_FMT_BGR24:
442 size = (w * h) * 3;
443 buf = av_malloc(size);
444 if (!buf)
445 return;
446 dest = buf;
447 src = picture->data[0];
448 for(j=0;j<h;j++) {
449 memcpy(dest, src, w * 3);
450 dest += w * 3;
451 src += picture->linesize[0];
452 }
453 break;
454 default:
455 return;
456 }
457 av_write_frame(s, index, buf, size);
458 av_free(buf);
459 }
460
461 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
462 {
463 AVCodecContext *dec;
464 AVPicture *picture2;
465 AVPicture picture_tmp;
466 UINT8 *buf = 0;
467
468 dec = &ist->st->codec;
469
470 /* deinterlace : must be done before any resize */
471 if (do_deinterlace) {
472 int size;
473
474 /* create temporary picture */
475 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
476 buf = av_malloc(size);
477 if (!buf)
478 return;
479
480 picture2 = &picture_tmp;
481 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
482
483 if (avpicture_deinterlace(picture2, picture,
484 dec->pix_fmt, dec->width, dec->height) < 0) {
485 /* if error, do not deinterlace */
486 av_free(buf);
487 buf = NULL;
488 picture2 = picture;
489 }
490 } else {
491 picture2 = picture;
492 }
493
494 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
495
496 if (picture != picture2)
497 *picture = *picture2;
498 *bufp = buf;
499 }
500
501 /* we begin to correct av delay at this threshold */
502 #define AV_DELAY_MAX 0.100
503
504 static void do_video_out(AVFormatContext *s,
505 AVOutputStream *ost,
506 AVInputStream *ist,
507 AVPicture *in_picture,
508 int *frame_size, AVOutputStream *audio_sync)
509 {
510 int nb_frames, i, ret;
511 AVPicture *final_picture, *formatted_picture;
512 AVPicture picture_format_temp, picture_crop_temp;
513 static UINT8 *video_buffer;
514 UINT8 *buf = NULL, *buf1 = NULL;
515 AVCodecContext *enc, *dec;
516
517 #define VIDEO_BUFFER_SIZE (1024*1024)
518
519 enc = &ost->st->codec;
520 dec = &ist->st->codec;
521
522 /* by default, we output a single frame */
523 nb_frames = 1;
524
525 /* NOTE: the A/V sync is always done by considering the audio is
526 the master clock. It is suffisant for transcoding or playing,
527 but not for the general case */
528 if (audio_sync) {
529 /* compute the A-V delay and duplicate/remove frames if needed */
530 double adelta, vdelta, apts, vpts, av_delay;
531
532 if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
533 ost->sync_ipts != AV_NOPTS_VALUE) {
534
535 adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) *
536 s->pts_num / s->pts_den;
537 apts = audio_sync->sync_ipts + adelta;
538
539 vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
540 s->pts_num / s->pts_den;
541 vpts = ost->sync_ipts + vdelta;
542
543 av_delay = apts - vpts;
544 // printf("delay=%f\n", av_delay);
545 if (av_delay < -AV_DELAY_MAX)
546 nb_frames = 2;
547 else if (av_delay > AV_DELAY_MAX)
548 nb_frames = 0;
549 }
550 } else {
551 double vdelta;
552
553 if (ost->sync_ipts != AV_NOPTS_VALUE) {
554 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
555 if (vdelta < 100 && vdelta > -100) {
556 if (vdelta < -AV_DELAY_MAX)
557 nb_frames = 2;
558 else if (vdelta > AV_DELAY_MAX)
559 nb_frames = 0;
560 } else {
561 ost->sync_ipts_offset -= vdelta;
562 }
563
564 #if 0
565 {
566 static char *action[] = { "drop frame", "copy frame", "dup frame" };
567 printf("Input PTS %12.6f, output PTS %12.6f: %s\n",
568 (double) ost->sync_ipts, (double) ost->st->pts.val * s->pts_num / s->pts_den,
569 action[nb_frames]);
570 }
571 #endif
572 }
573 }
574 if (nb_frames <= 0)
575 return;
576
577 if (!video_buffer)
578 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
579 if (!video_buffer)
580 return;
581
582 /* convert pixel format if needed */
583 if (enc->pix_fmt != dec->pix_fmt) {
584 int size;
585
586 /* create temporary picture */
587 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
588 buf = av_malloc(size);
589 if (!buf)
590 return;
591 formatted_picture = &picture_format_temp;
592 avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
593
594 if (img_convert(formatted_picture, enc->pix_fmt,
595 in_picture, dec->pix_fmt,
596 dec->width, dec->height) < 0) {
597 fprintf(stderr, "pixel format conversion not handled\n");
598 goto the_end;
599 }
600 } else {
601 formatted_picture = in_picture;
602 }
603
604 /* XXX: resampling could be done before raw format convertion in
605 some cases to go faster */
606 /* XXX: only works for YUV420P */
607 if (ost->video_resample) {
608 final_picture = &ost->pict_tmp;
609 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
610 } else if (ost->video_crop) {
611 picture_crop_temp.data[0] = formatted_picture->data[0] +
612 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
613
614 picture_crop_temp.data[1] = formatted_picture->data[1] +
615 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
616 (ost->leftBand >> 1);
617
618 picture_crop_temp.data[2] = formatted_picture->data[2] +
619 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
620 (ost->leftBand >> 1);
621
622 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
623 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
624 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
625 final_picture = &picture_crop_temp;
626 } else {
627 final_picture = formatted_picture;
628 }
629 /* duplicates frame if needed */
630 /* XXX: pb because no interleaving */
631 for(i=0;i<nb_frames;i++) {
632 if (enc->codec_id != CODEC_ID_RAWVIDEO) {
633 AVFrame big_picture;
634
635 memset(&big_picture, 0, sizeof(AVFrame));
636 *(AVPicture*)&big_picture= *final_picture;
637
638 /* handles sameq here. This is not correct because it may
639 not be a global option */
640 if (same_quality) {
641 big_picture.quality = ist->st->quality;
642 }else
643 big_picture.quality = ost->st->quality;
644
645 ret = avcodec_encode_video(enc,
646 video_buffer, VIDEO_BUFFER_SIZE,
647 &big_picture);
648 //enc->frame_number = enc->real_pict_num;
649 av_write_frame(s, ost->index, video_buffer, ret);
650 *frame_size = ret;
651 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
652 // enc->frame_number-1, enc->real_pict_num, ret,
653 // enc->pict_type);
654 /* if two pass, output log */
655 if (ost->logfile && enc->stats_out) {
656 fprintf(ost->logfile, "%s", enc->stats_out);
657 }
658 } else {
659 if (s->oformat->flags & AVFMT_RAWPICTURE) {
660 /* raw pictures are written as AVPicture structure to
661 avoid any copies. We support temorarily the older
662 method. */
663 av_write_frame(s, ost->index,
664 (UINT8 *)final_picture, sizeof(AVPicture));
665 } else {
666 write_picture(s, ost->index, final_picture, enc->pix_fmt,
667 enc->width, enc->height);
668 }
669 }
670 ost->frame_number++;
671 }
672 the_end:
673 av_free(buf);
674 av_free(buf1);
675 }
676
677 static double psnr(double d){
678 if(d==0) return INFINITY;
679 return -10.0*log(d)/log(10);
680 }
681
682 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
683 int frame_size)
684 {
685 static FILE *fvstats=NULL;
686 static INT64 total_size = 0;
687 char filename[40];
688 time_t today2;
689 struct tm *today;
690 AVCodecContext *enc;
691 int frame_number;
692 INT64 ti;
693 double ti1, bitrate, avg_bitrate;
694
695 if (!fvstats) {
696 today2 = time(NULL);
697 today = localtime(&today2);
698 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
699 today->tm_min,
700 today->tm_sec);
701 fvstats = fopen(filename,"w");
702 if (!fvstats) {
703 perror("fopen");
704 exit(1);
705 }
706 }
707
708 ti = MAXINT64;
709 enc = &ost->st->codec;
710 total_size += frame_size;
711 if (enc->codec_type == CODEC_TYPE_VIDEO) {
712 frame_number = ost->frame_number;
713 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
714 if (enc->flags&CODEC_FLAG_PSNR)
715 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
716
717 fprintf(fvstats,"f_size= %6d ", frame_size);
718 /* compute pts value */
719 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
720 if (ti1 < 0.01)
721 ti1 = 0.01;
722
723 bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
724 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
725 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
726 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
727 fprintf(fvstats,"type= %s\n", enc->coded_frame->key_frame == 1 ? "I" : "P");
728 }
729 }
730
731 void print_report(AVFormatContext **output_files,
732 AVOutputStream **ost_table, int nb_ostreams,
733 int is_last_report)
734 {
735 char buf[1024];
736 AVOutputStream *ost;
737 AVFormatContext *oc, *os;
738 INT64 total_size;
739 AVCodecContext *enc;
740 int frame_number, vid, i;
741 double bitrate, ti1, pts;
742 static INT64 last_time = -1;
743
744 if (!is_last_report) {
745 INT64 cur_time;
746 /* display the report every 0.5 seconds */
747 cur_time = av_gettime();
748 if (last_time == -1) {
749 last_time = cur_time;
750 return;
751 }
752 if ((cur_time - last_time) < 500000)
753 return;
754 last_time = cur_time;
755 }
756
757
758 oc = output_files[0];
759
760 total_size = url_ftell(&oc->pb);
761
762 buf[0] = '\0';
763 ti1 = 1e10;
764 vid = 0;
765 for(i=0;i<nb_ostreams;i++) {
766 ost = ost_table[i];
767 os = output_files[ost->file_index];
768 enc = &ost->st->codec;
769 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
770 sprintf(buf + strlen(buf), "q=%2.1f ",
771 enc->coded_frame->quality);
772 }
773 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
774 frame_number = ost->frame_number;
775 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
776 frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
777 if (enc->flags&CODEC_FLAG_PSNR)
778 sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
779 vid = 1;
780 }
781 /* compute min output value */
782 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
783 if ((pts < ti1) && (pts > 0))
784 ti1 = pts;
785 }
786 if (ti1 < 0.01)
787 ti1 = 0.01;
788 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
789
790 sprintf(buf + strlen(buf),
791 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
792 (double)total_size / 1024, ti1, bitrate);
793
794 fprintf(stderr, "%s ", buf);
795
796 if (is_last_report) {
797 fprintf(stderr, "\n");
798 } else {
799 fprintf(stderr, "\r");
800 fflush(stderr);
801 }
802 }
803
804 /*
805 * The following code is the main loop of the file converter
806 */
807 static int av_encode(AVFormatContext **output_files,
808 int nb_output_files,
809 AVFormatContext **input_files,
810 int nb_input_files,
811 AVStreamMap *stream_maps, int nb_stream_maps)
812 {
813 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
814 AVFormatContext *is, *os;
815 AVCodecContext *codec, *icodec;
816 AVOutputStream *ost, **ost_table = NULL;
817 AVInputStream *ist, **ist_table = NULL;
818 AVInputFile *file_table;
819 AVFormatContext *stream_no_data;
820 int key;
821
822 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
823 if (!file_table)
824 goto fail;
825
826 /* input stream init */
827 j = 0;
828 for(i=0;i<nb_input_files;i++) {
829 is = input_files[i];
830 file_table[i].ist_index = j;
831 file_table[i].nb_streams = is->nb_streams;
832 j += is->nb_streams;
833 }
834 nb_istreams = j;
835
836 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
837 if (!ist_table)
838 goto fail;
839
840 for(i=0;i<nb_istreams;i++) {
841 ist = av_mallocz(sizeof(AVInputStream));
842 if (!ist)
843 goto fail;
844 ist_table[i] = ist;
845 }
846 j = 0;
847 for(i=0;i<nb_input_files;i++) {
848 is = input_files[i];
849 for(k=0;k<is->nb_streams;k++) {
850 ist = ist_table[j++];
851 ist->st = is->streams[k];
852 ist->file_index = i;
853 ist->index = k;
854 ist->discard = 1; /* the stream is discarded by default
855 (changed later) */
856 }
857 }
858
859 /* output stream init */
860 nb_ostreams = 0;
861 for(i=0;i<nb_output_files;i++) {
862 os = output_files[i];
863 nb_ostreams += os->nb_streams;
864 }
865 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
866 fprintf(stderr, "Number of stream maps must match number of output streams\n");
867 exit(1);
868 }
869
870 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
871 if (!ost_table)
872 goto fail;
873 for(i=0;i<nb_ostreams;i++) {
874 ost = av_mallocz(sizeof(AVOutputStream));
875 if (!ost)
876 goto fail;
877 ost_table[i] = ost;
878 }
879
880 n = 0;
881 for(k=0;k<nb_output_files;k++) {
882 os = output_files[k];
883 for(i=0;i<os->nb_streams;i++) {
884 int found;
885 ost = ost_table[n++];
886 ost->file_index = k;
887 ost->index = i;
888 ost->st = os->streams[i];
889 if (nb_stream_maps > 0) {
890 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
891 stream_maps[n-1].stream_index;
892 } else {
893 /* get corresponding input stream index : we select the first one with the right type */
894 found = 0;
895 for(j=0;j<nb_istreams;j++) {
896 ist = ist_table[j];
897 if (ist->discard &&
898 ist->st->codec.codec_type == ost->st->codec.codec_type) {
899 ost->source_index = j;
900 found = 1;
901 }
902 }
903
904 if (!found) {
905 /* try again and reuse existing stream */
906 for(j=0;j<nb_istreams;j++) {
907 ist = ist_table[j];
908 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
909 ost->source_index = j;
910 found = 1;
911 }
912 }
913 if (!found) {
914 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
915 ost->file_index, ost->index);
916 exit(1);
917 }
918 }
919 }
920 ist = ist_table[ost->source_index];
921 ist->discard = 0;
922 }
923 }
924
925 /* for each output stream, we compute the right encoding parameters */
926 for(i=0;i<nb_ostreams;i++) {
927 ost = ost_table[i];
928 ist = ist_table[ost->source_index];
929
930 codec = &ost->st->codec;
931 icodec = &ist->st->codec;
932
933 if (ost->st->stream_copy) {
934 /* if stream_copy is selected, no need to decode or encode */
935 codec->codec_id = icodec->codec_id;
936 codec->codec_type = icodec->codec_type;
937 codec->codec_tag = icodec->codec_tag;
938 codec->bit_rate = icodec->bit_rate;
939 switch(codec->codec_type) {
940 case CODEC_TYPE_AUDIO:
941 codec->sample_rate = icodec->sample_rate;
942 codec->channels = icodec->channels;
943 break;
944 case CODEC_TYPE_VIDEO:
945 codec->frame_rate = icodec->frame_rate;
946 codec->width = icodec->width;
947 codec->height = icodec->height;
948 break;
949 default:
950 av_abort();
951 }
952 } else {
953 switch(codec->codec_type) {
954 case CODEC_TYPE_AUDIO:
955 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
956 goto fail;
957
958 if (codec->channels == icodec->channels &&
959 codec->sample_rate == icodec->sample_rate) {
960 ost->audio_resample = 0;
961 } else {
962 if (codec->channels != icodec->channels &&
963 icodec->codec_id == CODEC_ID_AC3) {
964 /* Special case for 5:1 AC3 input */
965 /* and mono or stereo output */
966 /* Request specific number of channels */
967 icodec->channels = codec->channels;
968 if (codec->sample_rate == icodec->sample_rate)
969 ost->audio_resample = 0;
970 else {
971 ost->audio_resample = 1;
972 ost->resample = audio_resample_init(codec->channels, icodec->channels,
973 codec->sample_rate,
974 icodec->sample_rate);
975 }
976 /* Request specific number of channels */
977 icodec->channels = codec->channels;
978 } else {
979 ost->audio_resample = 1;
980 ost->resample = audio_resample_init(codec->channels, icodec->channels,
981 codec->sample_rate,
982 icodec->sample_rate);
983 }
984 }
985 ist->decoding_needed = 1;
986 ost->encoding_needed = 1;
987 break;
988 case CODEC_TYPE_VIDEO:
989 if (codec->width == icodec->width &&
990 codec->height == icodec->height &&
991 frame_topBand == 0 &&
992 frame_bottomBand == 0 &&
993 frame_leftBand == 0 &&
994 frame_rightBand == 0)
995 {
996 ost->video_resample = 0;
997 ost->video_crop = 0;
998 } else if ((codec->width == icodec->width -
999 (frame_leftBand + frame_rightBand)) &&
1000 (codec->height == icodec->height -
1001 (frame_topBand + frame_bottomBand)))
1002 {
1003 ost->video_resample = 0;
1004 ost->video_crop = 1;
1005 ost->topBand = frame_topBand;
1006 ost->leftBand = frame_leftBand;
1007 } else {
1008 UINT8 *buf;
1009 ost->video_resample = 1;
1010 ost->video_crop = 0; // cropping is handled as part of resample
1011 buf = av_malloc((codec->width * codec->height * 3) / 2);
1012 if (!buf)
1013 goto fail;
1014 ost->pict_tmp.data[0] = buf;
1015 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1016 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1017 ost->pict_tmp.linesize[0] = codec->width;
1018 ost->pict_tmp.linesize[1] = codec->width / 2;
1019 ost->pict_tmp.linesize[2] = codec->width / 2;
1020
1021 ost->img_resample_ctx = img_resample_full_init(
1022 ost->st->codec.width, ost->st->codec.height,
1023 ist->st->codec.width, ist->st->codec.height,
1024 frame_topBand, frame_bottomBand,
1025 frame_leftBand, frame_rightBand);
1026 }
1027 ost->encoding_needed = 1;
1028 ist->decoding_needed = 1;
1029 break;
1030 default:
1031 av_abort();
1032 }
1033 /* two pass mode */
1034 if (ost->encoding_needed &&
1035 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1036 char logfilename[1024];
1037 FILE *f;
1038 int size;
1039 char *logbuffer;
1040
1041 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1042 pass_logfilename ?
1043 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1044 if (codec->flags & CODEC_FLAG_PASS1) {
1045 f = fopen(logfilename, "w");
1046 if (!f) {
1047 perror(logfilename);
1048 exit(1);
1049 }
1050 ost->logfile = f;
1051 } else {
1052 /* read the log file */
1053 f = fopen(logfilename, "r");
1054 if (!f) {
1055 perror(logfilename);
1056 exit(1);
1057 }
1058 fseek(f, 0, SEEK_END);
1059 size = ftell(f);
1060 fseek(f, 0, SEEK_SET);
1061 logbuffer = av_malloc(size + 1);
1062 if (!logbuffer) {
1063 fprintf(stderr, "Could not allocate log buffer\n");
1064 exit(1);
1065 }
1066 fread(logbuffer, 1, size, f);
1067 fclose(f);
1068 logbuffer[size] = '\0';
1069 codec->stats_in = logbuffer;
1070 }
1071 }
1072 }
1073 }
1074
1075 /* dump the file output parameters - cannot be done before in case
1076 of stream copy */
1077 for(i=0;i<nb_output_files;i++) {
1078 dump_format(output_files[i], i, output_files[i]->filename, 1);
1079 }
1080
1081 /* dump the stream mapping */
1082 fprintf(stderr, "Stream mapping:\n");
1083 for(i=0;i<nb_ostreams;i++) {
1084 ost = ost_table[i];
1085 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1086 ist_table[ost->source_index]->file_index,
1087 ist_table[ost->source_index]->index,
1088 ost->file_index,
1089 ost->index);
1090 }
1091
1092 /* open each encoder */
1093 for(i=0;i<nb_ostreams;i++) {
1094 ost = ost_table[i];
1095 if (ost->encoding_needed) {
1096 AVCodec *codec;
1097 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1098 if (!codec) {
1099 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1100 ost->file_index, ost->index);
1101 exit(1);
1102 }
1103 if (avcodec_open(&ost->st->codec, codec) < 0) {
1104 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1105 ost->file_index, ost->index);
1106 exit(1);
1107 }
1108 }
1109 }
1110
1111 /* open each decoder */
1112 for(i=0;i<nb_istreams;i++) {
1113 ist = ist_table[i];
1114 if (ist->decoding_needed) {
1115 AVCodec *codec;
1116 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1117 if (!codec) {
1118 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1119 ist->st->codec.codec_id, ist->file_index, ist->index);
1120 exit(1);
1121 }
1122 if (avcodec_open(&ist->st->codec, codec) < 0) {
1123 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1124 ist->file_index, ist->index);
1125 exit(1);
1126 }
1127 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1128 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1129 ist->frame_decoded = 1;
1130 }
1131 }
1132
1133 /* init pts */
1134 for(i=0;i<nb_istreams;i++) {
1135 ist = ist_table[i];
1136 }
1137
1138 /* compute buffer size max (should use a complete heuristic) */
1139 for(i=0;i<nb_input_files;i++) {
1140 file_table[i].buffer_size_max = 2048;
1141 }
1142
1143 /* open files and write file headers */
1144 for(i=0;i<nb_output_files;i++) {
1145 os = output_files[i];
1146 if (av_write_header(os) < 0) {
1147 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1148 ret = -EINVAL;
1149 goto fail;
1150 }
1151 }
1152
1153 #ifndef CONFIG_WIN32
1154 if (!do_play) {
1155 fprintf(stderr, "Press [q] to stop encoding\n");
1156 } else {
1157 fprintf(stderr, "Press [q] to stop playing\n");
1158 }
1159 #endif
1160 term_init();
1161
1162 stream_no_data = 0;
1163 key = -1;
1164
1165 for(;;) {
1166 int file_index, ist_index;
1167 AVPacket pkt;
1168 UINT8 *ptr;
1169 int len;
1170 UINT8 *data_buf;
1171 int data_size, got_picture;
1172 AVPicture picture;
1173 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1174 void *buffer_to_free;
1175 double pts_min;
1176
1177 redo:
1178 /* if 'q' pressed, exits */
1179 if (key) {
1180 /* read_key() returns 0 on EOF */
1181 key = read_key();
1182 if (key == 'q')
1183 break;
1184 }
1185
1186 /* select the stream that we must read now by looking at the
1187 smallest output pts */
1188 file_index = -1;
1189 pts_min = 1e10;
1190 for(i=0;i<nb_ostreams;i++) {
1191 double pts;
1192 ost = ost_table[i];
1193 os = output_files[ost->file_index];
1194 ist = ist_table[ost->source_index];
1195 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1196 if (!file_table[ist->file_index].eof_reached &&
1197 pts < pts_min) {
1198 pts_min = pts;
1199 file_index = ist->file_index;
1200 }
1201 }
1202 /* if none, if is finished */
1203 if (file_index < 0) {
1204 break;
1205 }
1206
1207 /* finish if recording time exhausted */
1208 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1209 break;
1210
1211 /* read a packet from it and output it in the fifo */
1212 is = input_files[file_index];
1213 if (av_read_packet(is, &pkt) < 0) {
1214 file_table[file_index].eof_reached = 1;
1215 continue;
1216 }
1217 if (!pkt.size) {
1218 stream_no_data = is;
1219 } else {
1220 stream_no_data = 0;
1221 }
1222 /* the following test is needed in case new streams appear
1223 dynamically in stream : we ignore them */
1224 if (pkt.stream_index >= file_table[file_index].nb_streams)
1225 goto discard_packet;
1226 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1227 ist = ist_table[ist_index];
1228 if (ist->discard)
1229 goto discard_packet;
1230
1231 if (do_hex_dump) {
1232 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1233 av_hex_dump(pkt.data, pkt.size);
1234 }
1235
1236 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1237
1238 len = pkt.size;
1239 ptr = pkt.data;
1240 pts_set = 0;
1241 while (len > 0) {
1242 INT64 ipts;
1243
1244 ipts = AV_NOPTS_VALUE;
1245
1246 /* decode the packet if needed */
1247 data_buf = NULL; /* fail safe */
1248 data_size = 0;
1249 if (ist->decoding_needed) {
1250 /* NOTE1: we only take into account the PTS if a new
1251 frame has begun (MPEG semantics) */
1252 /* NOTE2: even if the fraction is not initialized,
1253 av_frac_set can be used to set the integer part */
1254 if (ist->frame_decoded &&
1255 pkt.pts != AV_NOPTS_VALUE &&
1256 !pts_set) {
1257 ipts = pkt.pts;
1258 ist->frame_decoded = 0;
1259 pts_set = 1;
1260 }
1261
1262 switch(ist->st->codec.codec_type) {
1263 case CODEC_TYPE_AUDIO:
1264 /* XXX: could avoid copy if PCM 16 bits with same
1265 endianness as CPU */
1266 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1267 ptr, len);
1268 if (ret < 0)
1269 goto fail_decode;
1270 /* Some bug in mpeg audio decoder gives */
1271 /* data_size < 0, it seems they are overflows */
1272 if (data_size <= 0) {
1273 /* no audio frame */
1274 ptr += ret;
1275 len -= ret;
1276 continue;
1277 }
1278 data_buf = (UINT8 *)samples;
1279 break;
1280 case CODEC_TYPE_VIDEO:
1281 if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1282 int size;
1283
1284 size = (ist->st->codec.width * ist->st->codec.height);
1285 avpicture_fill(&picture, ptr,
1286 ist->st->codec.pix_fmt,
1287 ist->st->codec.width,
1288 ist->st->codec.height);
1289 ret = len;
1290 } else {
1291 AVFrame big_picture;
1292
1293 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1294 ret = avcodec_decode_video(&ist->st->codec,
1295 &big_picture, &got_picture, ptr, len);
1296 picture= *(AVPicture*)&big_picture;
1297 ist->st->quality= big_picture.quality;
1298 if (ret < 0) {
1299 fail_decode:
1300 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1301 ist->file_index, ist->index);
1302 av_free_packet(&pkt);
1303 goto redo;
1304 }
1305 if (!got_picture) {
1306 /* no picture yet */
1307 ptr += ret;
1308 len -= ret;
1309 continue;
1310 }
1311
1312 }
1313 break;
1314 default:
1315 goto fail_decode;
1316 }
1317 } else {
1318 data_buf = ptr;
1319 data_size = len;
1320 ret = len;
1321 }
1322 ptr += ret;
1323 len -= ret;
1324
1325 buffer_to_free = 0;
1326 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1327 pre_process_video_frame(ist, &picture, &buffer_to_free);
1328 }
1329
1330 ist->frame_decoded = 1;
1331
1332 #if 0
1333 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1334 is the one of the next displayed one */
1335 /* XXX: add mpeg4 too ? */
1336 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1337 if (ist->st->codec.pict_type != B_TYPE) {
1338 INT64 tmp;
1339 tmp = ist->last_ip_pts;
1340 ist->last_ip_pts = ist->frac_pts.val;
1341 ist->frac_pts.val = tmp;
1342 }
1343 }
1344 #endif
1345 /* transcode raw format, encode packets and output them */
1346
1347 for(i=0;i<nb_ostreams;i++) {
1348 int frame_size;
1349
1350 ost = ost_table[i];
1351 if (ost->source_index == ist_index) {
1352 os = output_files[ost->file_index];
1353
1354 if (ipts != AV_NOPTS_VALUE) {
1355 #if 0
1356 printf("%d: got pts=%f %f\n",
1357 i, pkt.pts / 90000.0,
1358 (ipts - ost->st->pts.val) / 90000.0);
1359 #endif
1360 /* set the input output pts pairs */
1361 ost->sync_ipts = (double)ipts * is->pts_num /
1362 is->pts_den;
1363 /* XXX: take into account the various fifos,
1364 in particular for audio */
1365 ost->sync_opts = ost->st->pts.val;
1366 //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt.pts=%lld\n", ipts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt.pts);
1367 } else {
1368 //printf("pts.val=%lld\n", ost->st->pts.val);
1369 }
1370
1371 if (ost->encoding_needed) {
1372 switch(ost->st->codec.codec_type) {
1373 case CODEC_TYPE_AUDIO:
1374 do_audio_out(os, ost, ist, data_buf, data_size);
1375 break;
1376 case CODEC_TYPE_VIDEO:
1377 /* find an audio stream for synchro */
1378 {
1379 int i;
1380 AVOutputStream *audio_sync, *ost1;
1381 audio_sync = NULL;
1382 for(i=0;i<nb_ostreams;i++) {
1383 ost1 = ost_table[i];
1384 if (ost1->file_index == ost->file_index &&
1385 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1386 audio_sync = ost1;
1387 break;
1388 }
1389 }
1390
1391 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1392 if (do_vstats)
1393 do_video_stats(os, ost, frame_size);
1394 }
1395 break;
1396 default:
1397 av_abort();
1398 }
1399 } else {
1400 /* no reencoding needed : output the packet directly */
1401 /* force the input stream PTS */
1402 av_write_frame(os, ost->index, data_buf, data_size);
1403 ost->st->codec.frame_number++;
1404 ost->frame_number++;
1405 }
1406 }
1407 }
1408 av_free(buffer_to_free);
1409 ipts = AV_NOPTS_VALUE;
1410 }
1411 discard_packet:
1412 av_free_packet(&pkt);
1413
1414 /* dump report by using the output first video and audio streams */
1415 print_report(output_files, ost_table, nb_ostreams, 0);
1416 }
1417 term_exit();
1418
1419 /* dump report by using the first video and audio streams */
1420 print_report(output_files, ost_table, nb_ostreams, 1);
1421
1422 /* close each encoder */
1423 for(i=0;i<nb_ostreams;i++) {
1424 ost = ost_table[i];
1425 if (ost->encoding_needed) {
1426 av_freep(&ost->st->codec.stats_in);
1427 avcodec_close(&ost->st->codec);
1428 }
1429 }
1430
1431 /* close each decoder */
1432 for(i=0;i<nb_istreams;i++) {
1433 ist = ist_table[i];
1434 if (ist->decoding_needed) {
1435 avcodec_close(&ist->st->codec);
1436 }
1437 }
1438
1439
1440 /* write the trailer if needed and close file */
1441 for(i=0;i<nb_output_files;i++) {
1442 os = output_files[i];
1443 av_write_trailer(os);
1444 }
1445 /* finished ! */
1446
1447 ret = 0;
1448 fail1:
1449 av_free(file_table);
1450
1451 if (ist_table) {
1452 for(i=0;i<nb_istreams;i++) {
1453 ist = ist_table[i];
1454 av_free(ist);
1455 }
1456 av_free(ist_table);
1457 }
1458 if (ost_table) {
1459 for(i=0;i<nb_ostreams;i++) {
1460 ost = ost_table[i];
1461 if (ost) {
1462 if (ost->logfile) {
1463 fclose(ost->logfile);
1464 ost->logfile = NULL;
1465 }
1466 fifo_free(&ost->fifo); /* works even if fifo is not
1467 initialized but set to zero */
1468 av_free(ost->pict_tmp.data[0]);
1469 if (ost->video_resample)
1470 img_resample_close(ost->img_resample_ctx);
1471 if (ost->audio_resample)
1472 audio_resample_close(ost->resample);
1473 av_free(ost);
1474 }
1475 }
1476 av_free(ost_table);
1477 }
1478 return ret;
1479 fail:
1480 ret = -ENOMEM;
1481 goto fail1;
1482 }
1483
1484 #if 0
1485 int file_read(const char *filename)
1486 {
1487 URLContext *h;
1488 unsigned char buffer[1024];
1489 int len, i;
1490
1491 if (url_open(&h, filename, O_RDONLY) < 0) {
1492 printf("could not open '%s'\n", filename);
1493 return -1;
1494 }
1495 for(;;) {
1496 len = url_read(h, buffer, sizeof(buffer));
1497 if (len <= 0)
1498 break;
1499 for(i=0;i<len;i++) putchar(buffer[i]);
1500 }
1501 url_close(h);
1502 return 0;
1503 }
1504 #endif
1505
1506 void show_licence(void)
1507 {
1508 printf(
1509 "ffmpeg version " FFMPEG_VERSION "\n"
1510 "Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n"
1511 "This library is free software; you can redistribute it and/or\n"
1512 "modify it under the terms of the GNU Lesser General Public\n"
1513 "License as published by the Free Software Foundation; either\n"
1514 "version 2 of the License, or (at your option) any later version.\n"
1515 "\n"
1516 "This library is distributed in the hope that it will be useful,\n"
1517 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1518 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
1519 "Lesser General Public License for more details.\n"
1520 "\n"
1521 "You should have received a copy of the GNU Lesser General Public\n"
1522 "License along with this library; if not, write to the Free Software\n"
1523 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
1524 );
1525 exit(1);
1526 }
1527
1528 void opt_format(const char *arg)
1529 {
1530 file_iformat = av_find_input_format(arg);
1531 file_oformat = guess_format(arg, NULL, NULL);
1532 if (!file_iformat && !file_oformat) {
1533 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1534 exit(1);
1535 }
1536 }
1537
1538 void opt_video_bitrate(const char *arg)
1539 {
1540 video_bit_rate = atoi(arg) * 1000;
1541 }
1542
1543 void opt_video_bitrate_tolerance(const char *arg)
1544 {
1545 video_bit_rate_tolerance = atoi(arg) * 1000;
1546 }
1547
1548 void opt_video_bitrate_max(const char *arg)
1549 {
1550 video_rc_max_rate = atoi(arg) * 1000;
1551 }
1552
1553 void opt_video_bitrate_min(const char *arg)
1554 {
1555 video_rc_min_rate = atoi(arg) * 1000;
1556 }
1557
1558 void opt_video_buffer_size(const char *arg)
1559 {
1560 video_rc_buffer_size = atoi(arg) * 1000;
1561 }
1562
1563 void opt_video_rc_eq(char *arg)
1564 {
1565 video_rc_eq = arg;
1566 }
1567
1568 void opt_video_rc_override_string(char *arg)
1569 {
1570 video_rc_override_string = arg;
1571 }
1572
1573
1574 void opt_workaround_bugs(const char *arg)
1575 {
1576 workaround_bugs = atoi(arg);
1577 }
1578
1579 void opt_dct_algo(const char *arg)
1580 {
1581 dct_algo = atoi(arg);
1582 }
1583
1584 void opt_idct_algo(const char *arg)
1585 {
1586 idct_algo = atoi(arg);
1587 }
1588
1589
1590 void opt_error_resilience(const char *arg)
1591 {
1592 error_resilience = atoi(arg);
1593 }
1594
1595 void opt_error_concealment(const char *arg)
1596 {
1597 error_concealment = atoi(arg);
1598 }
1599
1600
1601 void opt_frame_rate(const char *arg)
1602 {
1603 frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1604 }
1605
1606
1607 void opt_frame_crop_top(const char *arg)
1608 {
1609 frame_topBand = atoi(arg);
1610 if (frame_topBand < 0) {
1611 fprintf(stderr, "Incorrect top crop size\n");
1612 exit(1);
1613 }
1614 if ((frame_topBand % 2) != 0) {
1615 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1616 exit(1);
1617 }
1618 if ((frame_topBand) >= frame_height){
1619 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1620 exit(1);
1621 }
1622 frame_height -= frame_topBand;
1623 }
1624
1625 void opt_frame_crop_bottom(const char *arg)
1626 {
1627 frame_bottomBand = atoi(arg);
1628 if (frame_bottomBand < 0) {
1629 fprintf(stderr, "Incorrect bottom crop size\n");
1630 exit(1);
1631 }
1632 if ((frame_bottomBand % 2) != 0) {
1633 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1634 exit(1);
1635 }
1636 if ((frame_bottomBand) >= frame_height){
1637 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1638 exit(1);
1639 }
1640 frame_height -= frame_bottomBand;
1641 }
1642
1643 void opt_frame_crop_left(const char *arg)
1644 {
1645 frame_leftBand = atoi(arg);
1646 if (frame_leftBand < 0) {
1647 fprintf(stderr, "Incorrect left crop size\n");
1648 exit(1);
1649 }
1650 if ((frame_leftBand % 2) != 0) {
1651 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1652 exit(1);
1653 }
1654 if ((frame_leftBand) >= frame_width){
1655 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1656 exit(1);
1657 }
1658 frame_width -= frame_leftBand;
1659 }
1660
1661 void opt_frame_crop_right(const char *arg)
1662 {
1663 frame_rightBand = atoi(arg);
1664 if (frame_rightBand < 0) {
1665 fprintf(stderr, "Incorrect right crop size\n");
1666 exit(1);
1667 }
1668 if ((frame_rightBand % 2) != 0) {
1669 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1670 exit(1);
1671 }
1672 if ((frame_rightBand) >= frame_width){
1673 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1674 exit(1);
1675 }
1676 frame_width -= frame_rightBand;
1677 }
1678
1679 void opt_frame_size(const char *arg)
1680 {
1681 parse_image_size(&frame_width, &frame_height, arg);
1682 if (frame_width <= 0 || frame_height <= 0) {
1683 fprintf(stderr, "Incorrect frame size\n");
1684 exit(1);
1685 }
1686 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1687 fprintf(stderr, "Frame size must be a multiple of 2\n");
1688 exit(1);
1689 }
1690 }
1691
1692 void opt_gop_size(const char *arg)
1693 {
1694 gop_size = atoi(arg);
1695 }
1696
1697 void opt_b_frames(const char *arg)
1698 {
1699 b_frames = atoi(arg);
1700 if (b_frames > FF_MAX_B_FRAMES) {
1701 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1702 exit(1);
1703 } else if (b_frames < 1) {
1704 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1705 exit(1);
1706 }
1707 }
1708
1709 void opt_qscale(const char *arg)
1710 {
1711 video_qscale = atoi(arg);
1712 if (video_qscale < 0 ||
1713 video_qscale > 31) {
1714 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1715 exit(1);
1716 }
1717 }
1718
1719 void opt_qmin(const char *arg)
1720 {
1721 video_qmin = atoi(arg);
1722 if (video_qmin < 0 ||
1723 video_qmin > 31) {
1724 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1725 exit(1);
1726 }
1727 }
1728
1729 void opt_qmax(const char *arg)
1730 {
1731 video_qmax = atoi(arg);
1732 if (video_qmax < 0 ||
1733 video_qmax > 31) {
1734 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1735 exit(1);
1736 }
1737 }
1738
1739 void opt_qdiff(const char *arg)
1740 {
1741 video_qdiff = atoi(arg);
1742 if (video_qdiff < 0 ||
1743 video_qdiff > 31) {
1744 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1745 exit(1);
1746 }
1747 }
1748
1749 void opt_qblur(const char *arg)
1750 {
1751 video_qblur = atof(arg);
1752 }
1753
1754 void opt_qcomp(const char *arg)
1755 {
1756 video_qcomp = atof(arg);
1757 }
1758
1759 void opt_rc_initial_cplx(const char *arg)
1760 {
1761 video_rc_initial_cplx = atof(arg);
1762 }
1763 void opt_b_qfactor(const char *arg)
1764 {
1765 video_b_qfactor = atof(arg);
1766 }
1767 void opt_i_qfactor(const char *arg)
1768 {
1769 video_i_qfactor = atof(arg);
1770 }
1771 void opt_b_qoffset(const char *arg)
1772 {
1773 video_b_qoffset = atof(arg);
1774 }
1775 void opt_i_qoffset(const char *arg)
1776 {
1777 video_i_qoffset = atof(arg);
1778 }
1779
1780 void opt_packet_size(const char *arg)
1781 {
1782 packet_size= atoi(arg);
1783 }
1784
1785 void opt_audio_bitrate(const char *arg)
1786 {
1787 audio_bit_rate = atoi(arg) * 1000;
1788 }
1789
1790 void opt_audio_rate(const char *arg)
1791 {
1792 audio_sample_rate = atoi(arg);
1793 }
1794
1795 void opt_audio_channels(const char *arg)
1796 {
1797 audio_channels = atoi(arg);
1798 }
1799
1800 void opt_video_device(const char *arg)
1801 {
1802 v4l_device = strdup(arg);
1803 }
1804
1805 void opt_audio_device(const char *arg)
1806 {
1807 audio_device = strdup(arg);
1808 }
1809
1810 void opt_audio_codec(const char *arg)
1811 {
1812 AVCodec *p;
1813
1814 if (!strcmp(arg, "copy")) {
1815 audio_stream_copy = 1;
1816 } else {
1817 p = first_avcodec;
1818 while (p) {
1819 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1820 break;
1821 p = p->next;
1822 }
1823 if (p == NULL) {
1824 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1825 exit(1);
1826 } else {
1827 audio_codec_id = p->id;
1828 }
1829 }
1830 }
1831
1832 void add_frame_hooker(const char *arg)
1833 {
1834 int argc = 0;
1835 char *argv[64];
1836 int i;
1837 char *args = strdup(arg);
1838
1839 argv[0] = strtok(args, " ");
1840 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1841 }
1842
1843 i = frame_hook_add(argc, argv);
1844
1845 if (i != 0) {
1846 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1847 exit(1);
1848 }
1849 }
1850
1851 const char *motion_str[] = {
1852 "zero",
1853 "full",
1854 "log",
1855 "phods",
1856 "epzs",
1857 "x1",
1858 NULL,
1859 };
1860
1861 void opt_motion_estimation(const char *arg)
1862 {
1863 const char **p;
1864 p = motion_str;
1865 for(;;) {
1866 if (!*p) {
1867 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1868 exit(1);
1869 }
1870 if (!strcmp(*p, arg))
1871 break;
1872 p++;
1873 }
1874 me_method = (p - motion_str) + 1;
1875 }
1876
1877 void opt_video_codec(const char *arg)
1878 {
1879 AVCodec *p;
1880
1881 if (!strcmp(arg, "copy")) {
1882 video_stream_copy = 1;
1883 } else {
1884 p = first_avcodec;
1885 while (p) {
1886 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1887 break;
1888 p = p->next;
1889 }
1890 if (p == NULL) {
1891 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1892 exit(1);
1893 } else {
1894 video_codec_id = p->id;
1895 }
1896 }
1897 }
1898
1899 void opt_map(const char *arg)
1900 {
1901 AVStreamMap *m;
1902 const char *p;
1903
1904 p = arg;
1905 m = &stream_maps[nb_stream_maps++];
1906
1907 m->file_index = strtol(arg, (char **)&p, 0);
1908 if (*p)
1909 p++;
1910
1911 m->stream_index = strtol(p, (char **)&p, 0);
1912 }
1913
1914 void opt_recording_time(const char *arg)
1915 {
1916 recording_time = parse_date(arg, 1);
1917 }
1918
1919 void print_error(const char *filename, int err)
1920 {
1921 switch(err) {
1922 case AVERROR_NUMEXPECTED:
1923 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
1924 "Use '%%d' to specify the image number:\n"
1925 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
1926 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
1927 filename);
1928 break;
1929 case AVERROR_INVALIDDATA:
1930 fprintf(stderr, "%s: Error while parsing header\n", filename);
1931 break;
1932 case AVERROR_NOFMT:
1933 fprintf(stderr, "%s: Unknown format\n", filename);
1934 break;
1935 default:
1936 fprintf(stderr, "%s: Error while opening file\n", filename);
1937 break;
1938 }
1939 }
1940
1941 void opt_input_file(const char *filename)
1942 {
1943 AVFormatContext *ic;
1944 AVFormatParameters params, *ap = &params;
1945 int err, i, ret, rfps;
1946
1947 if (!strcmp(filename, "-"))
1948 filename = "pipe:";
1949
1950 /* get default parameters from command line */
1951 memset(ap, 0, sizeof(*ap));
1952 ap->sample_rate = audio_sample_rate;
1953 ap->channels = audio_channels;
1954 ap->frame_rate = frame_rate;
1955 ap->width = frame_width;
1956 ap->height = frame_height;
1957
1958 /* open the input file with generic libav function */
1959 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
1960 if (err < 0) {
1961 print_error(filename, err);
1962 exit(1);
1963 }
1964
1965 /* If not enough info to get the stream parameters, we decode the
1966 first frames to get it. (used in mpeg case for example) */
1967 ret = av_find_stream_info(ic);
1968 if (ret < 0) {
1969 fprintf(stderr, "%s: could not find codec parameters\n", filename);
1970 exit(1);
1971 }
1972
1973 /* update the current parameters so that they match the one of the input stream */
1974 for(i=0;i<ic->nb_streams;i++) {
1975 AVCodecContext *enc = &ic->streams[i]->codec;
1976 switch(enc->codec_type) {
1977 case CODEC_TYPE_AUDIO:
1978 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
1979 audio_channels = enc->channels;
1980 audio_sample_rate = enc->sample_rate;
1981 break;
1982 case CODEC_TYPE_VIDEO:
1983 frame_height = enc->height;
1984 frame_width = enc->width;
1985 rfps = ic->streams[i]->r_frame_rate;
1986 enc->workaround_bugs = workaround_bugs;
1987 enc->error_resilience = error_resilience;
1988 enc->error_concealment = error_concealment;
1989 enc->idct_algo= idct_algo;
1990 /* if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
1991 enc->flags|= CODEC_FLAG_TRUNCATED; */
1992 if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO)
1993 enc->flags|= CODEC_FLAG_TRUNCATED;
1994
1995 if (enc->frame_rate != rfps) {
1996 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
1997 i, (float)enc->frame_rate / FRAME_RATE_BASE,
1998 (float)rfps / FRAME_RATE_BASE);
1999 }
2000 /* update the current frame rate to match the stream frame rate */
2001 frame_rate = rfps;
2002 break;
2003 default:
2004 av_abort();
2005 }
2006 }
2007
2008 input_files[nb_input_files] = ic;
2009 /* dump the file content */
2010 dump_format(ic, nb_input_files, filename, 0);
2011 nb_input_files++;
2012 file_iformat = NULL;
2013 file_oformat = NULL;
2014 }
2015
2016 void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2017 {
2018 int has_video, has_audio, i, j;
2019 AVFormatContext *ic;
2020
2021 has_video = 0;
2022 has_audio = 0;
2023 for(j=0;j<nb_input_files;j++) {
2024 ic = input_files[j];
2025 for(i=0;i<ic->nb_streams;i++) {
2026 AVCodecContext *enc = &ic->streams[i]->codec;
2027 switch(enc->codec_type) {
2028 case CODEC_TYPE_AUDIO:
2029 has_audio = 1;
2030 break;
2031 case CODEC_TYPE_VIDEO:
2032 has_video = 1;
2033 break;
2034 default:
2035 av_abort();
2036 }
2037 }
2038 }
2039 *has_video_ptr = has_video;
2040 *has_audio_ptr = has_audio;
2041 }
2042
2043 void opt_output_file(const char *filename)
2044 {
2045 AVStream *st;
2046 AVFormatContext *oc;
2047 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2048 int codec_id;
2049
2050 if (!strcmp(filename, "-"))
2051 filename = "pipe:";
2052
2053 oc = av_mallocz(sizeof(AVFormatContext));
2054
2055 if (!file_oformat) {
2056 file_oformat = guess_format(NULL, filename, NULL);
2057 if (!file_oformat) {
2058 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2059 filename);
2060 exit(1);
2061 }
2062 }
2063
2064 oc->oformat = file_oformat;
2065
2066 if (!strcmp(file_oformat->name, "ffm") &&
2067 strstart(filename, "http:", NULL)) {
2068 /* special case for files sent to ffserver: we get the stream
2069 parameters from ffserver */
2070 if (read_ffserver_streams(oc, filename) < 0) {
2071 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2072 exit(1);
2073 }
2074 } else {
2075 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2076 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2077
2078 /* disable if no corresponding type found and at least one
2079 input file */
2080 if (nb_input_files > 0) {
2081 check_audio_video_inputs(&input_has_video, &input_has_audio);
2082 if (!input_has_video)
2083 use_video = 0;
2084 if (!input_has_audio)
2085 use_audio = 0;
2086 }
2087
2088 /* manual disable */
2089 if (audio_disable) {
2090 use_audio = 0;
2091 }
2092 if (video_disable) {
2093 use_video = 0;
2094 }
2095
2096 nb_streams = 0;
2097 if (use_video) {
2098 AVCodecContext *video_enc;
2099
2100 st = av_mallocz(sizeof(AVStream));
2101 if (!st) {
2102 fprintf(stderr, "Could not alloc stream\n");
2103 exit(1);
2104 }
2105 avcodec_get_context_defaults(&st->codec);
2106
2107 video_enc = &st->codec;
2108 if (video_stream_copy) {
2109 st->stream_copy = 1;
2110 video_enc->codec_type = CODEC_TYPE_VIDEO;
2111 } else {
2112 char *p;
2113 int i;
2114
2115 codec_id = file_oformat->video_codec;
2116 if (video_codec_id != CODEC_ID_NONE)
2117 codec_id = video_codec_id;
2118
2119 video_enc->codec_id = codec_id;
2120
2121 video_enc->bit_rate = video_bit_rate;
2122 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2123 video_enc->frame_rate = frame_rate;
2124
2125 video_enc->width = frame_width;
2126 video_enc->height = frame_height;
2127
2128 if (!intra_only)
2129 video_enc->gop_size = gop_size;
2130 else
2131 video_enc->gop_size = 0;
2132 if (video_qscale || same_quality) {
2133 video_enc->flags |= CODEC_FLAG_QSCALE;
2134 st->quality = video_qscale;
2135 }
2136
2137 if (use_hq) {
2138 video_enc->flags |= CODEC_FLAG_HQ;
2139 }
2140
2141 if (use_4mv) {
2142 video_enc->flags |= CODEC_FLAG_HQ;
2143 video_enc->flags |= CODEC_FLAG_4MV;
2144 }
2145
2146 if(use_part)
2147 video_enc->flags |= CODEC_FLAG_PART;
2148
2149
2150 if (b_frames) {
2151 if (codec_id != CODEC_ID_MPEG4) {
2152 fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
2153 exit(1);
2154 }
2155 video_enc->max_b_frames = b_frames;
2156 video_enc->b_frame_strategy = 0;
2157 video_enc->b_quant_factor = 2.0;
2158 }
2159
2160 video_enc->qmin = video_qmin;
2161 video_enc->qmax = video_qmax;
2162 video_enc->max_qdiff = video_qdiff;
2163 video_enc->qblur = video_qblur;
2164 video_enc->qcompress = video_qcomp;
2165 video_enc->rc_eq = video_rc_eq;
2166
2167 p= video_rc_override_string;
2168 for(i=0; p; i++){
2169 int start, end, q;
2170 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2171 if(e!=3){
2172 fprintf(stderr, "error parsing rc_override\n");
2173 exit(1);
2174 }
2175 video_enc->rc_override=
2176 realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1));
2177 video_enc->rc_override[i].start_frame= start;
2178 video_enc->rc_override[i].end_frame = end;
2179 if(q>0){
2180 video_enc->rc_override[i].qscale= q;
2181 video_enc->rc_override[i].quality_factor= 1.0;
2182 }
2183 else{
2184 video_enc->rc_override[i].qscale= 0;
2185 video_enc->rc_override[i].quality_factor= -q/100.0;
2186 }
2187 p= strchr(p, '/');
2188 if(p) p++;
2189 }
2190 video_enc->rc_override_count=i;
2191
2192 video_enc->rc_max_rate = video_rc_max_rate;
2193 video_enc->rc_min_rate = video_rc_min_rate;
2194 video_enc->rc_buffer_size = video_rc_buffer_size;
2195 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2196 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2197 video_enc->i_quant_factor = video_i_qfactor;
2198 video_enc->b_quant_factor = video_b_qfactor;
2199 video_enc->i_quant_offset = video_i_qoffset;
2200 video_enc->b_quant_offset = video_b_qoffset;
2201 video_enc->dct_algo = dct_algo;
2202 video_enc->idct_algo = idct_algo;
2203 if(packet_size){
2204 video_enc->rtp_mode= 1;
2205 video_enc->rtp_payload_size= packet_size;
2206 }
2207
2208 if (do_psnr)
2209 video_enc->flags|= CODEC_FLAG_PSNR;
2210
2211 video_enc->me_method = me_method;
2212
2213 /* two pass mode */
2214 if (do_pass) {
2215 if (do_pass == 1) {
2216 video_enc->flags |= CODEC_FLAG_PASS1;
2217 } else {
2218 video_enc->flags |= CODEC_FLAG_PASS2;
2219 }
2220 }
2221
2222 /* XXX: need to find a way to set codec parameters */
2223 if (oc->oformat->flags & AVFMT_RGB24) {
2224 video_enc->pix_fmt = PIX_FMT_RGB24;
2225 }
2226 }
2227 oc->streams[nb_streams] = st;
2228 nb_streams++;
2229 }
2230
2231 if (use_audio) {
2232 AVCodecContext *audio_enc;
2233
2234 st = av_mallocz(sizeof(AVStream));
2235 if (!st) {
2236 fprintf(stderr, "Could not alloc stream\n");
2237 exit(1);
2238 }
2239 avcodec_get_context_defaults(&st->codec);
2240
2241 audio_enc = &st->codec;
2242 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2243 if (audio_stream_copy) {
2244 st->stream_copy = 1;
2245 } else {
2246 codec_id = file_oformat->audio_codec;
2247 if (audio_codec_id != CODEC_ID_NONE)
2248 codec_id = audio_codec_id;
2249 audio_enc->codec_id = codec_id;
2250
2251 audio_enc->bit_rate = audio_bit_rate;
2252 audio_enc->sample_rate = audio_sample_rate;
2253 /* For audio codecs other than AC3 we limit */
2254 /* the number of coded channels to stereo */
2255 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2256 audio_enc->channels = 2;
2257 } else
2258 audio_enc->channels = audio_channels;
2259 }
2260 oc->streams[nb_streams] = st;
2261 nb_streams++;
2262 }
2263
2264 oc->nb_streams = nb_streams;
2265
2266 if (!nb_streams) {
2267 fprintf(stderr, "No audio or video streams available\n");
2268 exit(1);
2269 }
2270
2271 if (str_title)
2272 pstrcpy(oc->title, sizeof(oc->title), str_title);
2273 if (str_author)
2274 pstrcpy(oc->author, sizeof(oc->author), str_author);
2275 if (str_copyright)
2276 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2277 if (str_comment)
2278 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2279 }
2280
2281 output_files[nb_output_files++] = oc;
2282
2283 strcpy(oc->filename, filename);
2284
2285 /* check filename in case of an image number is expected */
2286 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2287 if (filename_number_test(oc->filename) < 0) {
2288 print_error(oc->filename, AVERROR_NUMEXPECTED);
2289 exit(1);
2290 }
2291 }
2292
2293 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2294 /* test if it already exists to avoid loosing precious files */
2295 if (!file_overwrite &&
2296 (strchr(filename, ':') == NULL ||
2297 strstart(filename, "file:", NULL))) {
2298 if (url_exist(filename)) {
2299 int c;
2300
2301 printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2302 fflush(stdout);
2303 c = getchar();
2304 if (toupper(c) != 'Y') {
2305 fprintf(stderr, "Not overwriting - exiting\n");
2306 exit(1);
2307 }
2308 }
2309 }
2310
2311 /* open the file */
2312 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2313 fprintf(stderr, "Could not open '%s'\n", filename);
2314 exit(1);
2315 }
2316 }
2317
2318 /* reset some options */
2319 file_oformat = NULL;
2320 file_iformat = NULL;
2321 audio_disable = 0;
2322 video_disable = 0;
2323 audio_codec_id = CODEC_ID_NONE;
2324 video_codec_id = CODEC_ID_NONE;
2325 audio_stream_copy = 0;
2326 video_stream_copy = 0;
2327 }
2328
2329 /* prepare dummy protocols for grab */
2330 void prepare_grab(void)
2331 {
2332 int has_video, has_audio, i, j;
2333 AVFormatContext *oc;
2334 AVFormatContext *ic;
2335 AVFormatParameters ap1, *ap = &ap1;
2336
2337 /* see if audio/video inputs are needed */
2338 has_video = 0;
2339 has_audio = 0;
2340 memset(ap, 0, sizeof(*ap));
2341 for(j=0;j<nb_output_files;j++) {
2342 oc = output_files[j];
2343 for(i=0;i<oc->nb_streams;i++) {
2344 AVCodecContext *enc = &oc->streams[i]->codec;
2345 switch(enc->codec_type) {
2346 case CODEC_TYPE_AUDIO:
2347 if (enc->sample_rate > ap->sample_rate)
2348 ap->sample_rate = enc->sample_rate;
2349 if (enc->channels > ap->channels)
2350 ap->channels = enc->channels;
2351 has_audio = 1;
2352 break;
2353 case CODEC_TYPE_VIDEO:
2354 if (enc->width > ap->width)
2355 ap->width = enc->width;
2356 if (enc->height > ap->height)
2357 ap->height = enc->height;
2358 if (enc->frame_rate > ap->frame_rate)
2359 ap->frame_rate = enc->frame_rate;
2360 has_video = 1;
2361 break;
2362 default:
2363 av_abort();
2364 }
2365 }
2366 }
2367
2368 if (has_video == 0 && has_audio == 0) {
2369 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2370 exit(1);
2371 }
2372
2373 if (has_video) {
2374 AVInputFormat *fmt1;
2375 fmt1 = av_find_input_format("video_grab_device");
2376 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2377 fprintf(stderr, "Could not find video grab device\n");
2378 exit(1);
2379 }
2380 /* by now video grab has one stream */
2381 ic->streams[0]->r_frame_rate = ap->frame_rate;
2382 input_files[nb_input_files] = ic;
2383 dump_format(ic, nb_input_files, v4l_device, 0);
2384 nb_input_files++;
2385 }
2386 if (has_audio) {
2387 AVInputFormat *fmt1;
2388 fmt1 = av_find_input_format("audio_device");
2389 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2390 fprintf(stderr, "Could not find audio grab device\n");
2391 exit(1);
2392 }
2393 input_files[nb_input_files] = ic;
2394 dump_format(ic, nb_input_files, audio_device, 0);
2395 nb_input_files++;
2396 }
2397 }
2398
2399 /* open the necessary output devices for playing */
2400 void prepare_play(void)
2401 {
2402 file_iformat = NULL;
2403 file_oformat = guess_format("audio_device", NULL, NULL);
2404 if (!file_oformat) {
2405 fprintf(stderr, "Could not find audio device\n");
2406 exit(1);
2407 }
2408
2409 opt_output_file(audio_device);
2410 }
2411
2412 /* same option as mencoder */
2413 void opt_pass(const char *pass_str)
2414 {
2415 int pass;
2416 pass = atoi(pass_str);
2417 if (pass != 1 && pass != 2) {
2418 fprintf(stderr, "pass number can be only 1 or 2\n");
2419 exit(1);
2420 }
2421 do_pass = pass;
2422 }
2423
2424 #ifndef CONFIG_WIN32
2425 INT64 getutime(void)
2426 {
2427 struct rusage rusage;
2428
2429 getrusage(RUSAGE_SELF, &rusage);
2430 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2431 }
2432 #else
2433 INT64 getutime(void)
2434 {
2435 return av_gettime();
2436 }
2437 #endif
2438
2439 extern int ffm_nopts;
2440
2441 void opt_bitexact(void)
2442 {
2443 avcodec_set_bit_exact();
2444 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2445 ffm_nopts = 1;
2446 }
2447
2448 void show_formats(void)
2449 {
2450 AVInputFormat *ifmt;
2451 AVOutputFormat *ofmt;
2452 URLProtocol *up;
2453 AVCodec *p;
2454 const char **pp;
2455
2456 printf("File formats:\n");
2457 printf(" Encoding:");
2458 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2459 printf(" %s", ofmt->name);
2460 }
2461 printf("\n");
2462 printf(" Decoding:");
2463 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2464 printf(" %s", ifmt->name);
2465 }
2466 printf("\n");
2467
2468 printf("Codecs:\n");
2469 printf(" Encoders:");
2470 for(p = first_avcodec; p != NULL; p = p->next) {
2471 if (p->encode)
2472 printf(" %s", p->name);
2473 }
2474 printf("\n");
2475
2476 printf(" Decoders:");
2477 for(p = first_avcodec; p != NULL; p = p->next) {
2478 if (p->decode)
2479 printf(" %s", p->name);
2480 }
2481 printf("\n");
2482
2483 printf("Supported file protocols:");
2484 for(up = first_protocol; up != NULL; up = up->next)
2485 printf(" %s:", up->name);
2486 printf("\n");
2487
2488 printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2489 printf("Motion estimation methods:");
2490 pp = motion_str;
2491 while (*pp) {
2492 printf(" %s", *pp);
2493 if ((pp - motion_str + 1) == ME_ZERO)
2494 printf("(fastest)");
2495 else if ((pp - motion_str + 1) == ME_FULL)
2496 printf("(slowest)");
2497 else if ((pp - motion_str + 1) == ME_EPZS)
2498 printf("(default)");
2499 pp++;
2500 }
2501 printf("\n");
2502 exit(1);
2503 }
2504
2505 void show_help(void)
2506 {
2507 const char *prog;
2508 const OptionDef *po;
2509 int i, expert;
2510
2511 prog = do_play ? "ffplay" : "ffmpeg";
2512
2513 printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
2514 prog);
2515
2516 if (!do_play) {
2517 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2518 "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
2519 } else {
2520 printf("usage: ffplay [options] input_file...\n"
2521 "Simple audio player\n");
2522 }
2523
2524 printf("\n"
2525 "Main options are:\n");
2526 for(i=0;i<2;i++) {
2527 if (i == 1)
2528 printf("\nAdvanced options are:\n");
2529 for(po = options; po->name != NULL; po++) {
2530 char buf[64];
2531 expert = (po->flags & OPT_EXPERT) != 0;
2532 if (expert == i) {
2533 strcpy(buf, po->name);
2534 if (po->flags & HAS_ARG) {
2535 strcat(buf, " ");
2536 strcat(buf, po->argname);
2537 }
2538 printf("-%-17s %s\n", buf, po->help);
2539 }
2540 }
2541 }
2542
2543 exit(1);
2544 }
2545
2546 const OptionDef options[] = {
2547 { "L", 0, {(void*)show_licence}, "show license" },
2548 { "h", 0, {(void*)show_help}, "show help" },
2549 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2550 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2551 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2552 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2553 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2554 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2555 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2556 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2557 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2558 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2559 { "pass", HAS_ARG, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2560 { "passlogfile", HAS_ARG | OPT_STRING, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2561 /* video options */
2562 { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2563 { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2564 { "em_rate", OPT_BOOL|OPT_EXPERT, {(void*)&emulate_frame_rate}, "makes img reading happen at nominal frame rate" },
2565 { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2566 { "croptop", HAS_ARG, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2567 { "cropbottom", HAS_ARG, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2568 { "cropleft", HAS_ARG, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2569 { "cropright", HAS_ARG, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2570 { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2571 { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2572 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2573 { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2574 { "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2575 { "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2576 { "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2577 { "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2578 { "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2579 { "rc_init_cplx", HAS_ARG | OPT_EXPERT, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2580 { "b_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2581 { "i_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2582 { "b_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2583 { "i_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2584 { "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
2585 { "rc_override", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_override_string}, "Rate control override", "qualities for specific intervals" },
2586 { "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2587 { "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2588 { "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2589 { "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2590 { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
2591 { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2592 { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
2593 "method" },
2594 { "dct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_dct_algo}, "set dct algo", "algo" },
2595 { "idct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_idct_algo}, "set idct algo", "algo" },
2596 { "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience", "" },
2597 { "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error concealment", "" },
2598 { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
2599 { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
2600 { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2601 { "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2602 { "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2603 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
2604 { "sameq", OPT_BOOL, {(void*)&same_quality},
2605 "use same video quality as source (implies VBR)" },
2606 /* audio options */
2607 { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2608 { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2609 { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2610 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2611 { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2612 { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2613 { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace},
2614 "deinterlace pictures" },
2615 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2616 "add timings for benchmarking" },
2617 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2618 "dump each input packet" },
2619 { "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2620 { "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" },
2621 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2622 { "vhook", HAS_ARG | OPT_EXPERT, {(void*)add_frame_hooker}, "insert video processing module", "module name and parameters" },
2623 { NULL, },
2624 };
2625
2626 int main(int argc, char **argv)
2627 {
2628 int optindex, i;
2629 const char *opt, *arg;
2630 const OptionDef *po;
2631 INT64 ti;
2632
2633 av_register_all();
2634
2635 /* detect if invoked as player */
2636 i = strlen(argv[0]);
2637 if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
2638 do_play = 1;
2639
2640 if (argc <= 1)
2641 show_help();
2642
2643 /* parse options */
2644 optindex = 1;
2645 while (optindex < argc) {
2646 opt = argv[optindex++];
2647
2648 if (opt[0] == '-' && opt[1] != '\0') {
2649 po = options;
2650 while (po->name != NULL) {
2651 if (!strcmp(opt + 1, po->name))
2652 break;
2653 po++;
2654 }
2655 if (!po->name) {
2656 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2657 exit(1);
2658 }
2659 arg = NULL;
2660 if (po->flags & HAS_ARG) {
2661 arg = argv[optindex++];
2662 if (!arg) {
2663 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
2664 exit(1);
2665 }
2666 }
2667 if (po->flags & OPT_STRING) {
2668 char *str;
2669 str = strdup(arg);
2670 *po->u.str_arg = str;
2671 } else if (po->flags & OPT_BOOL) {
2672 *po->u.int_arg = 1;
2673 } else {
2674 po->u.func_arg(arg);
2675 }
2676 } else {
2677 if (!do_play) {
2678 opt_output_file(opt);
2679 } else {
2680 opt_input_file(opt);
2681 }
2682 }
2683 }
2684
2685
2686 if (!do_play) {
2687 /* file converter / grab */
2688 if (nb_output_files <= 0) {
2689 fprintf(stderr, "Must supply at least one output file\n");
2690 exit(1);
2691 }
2692
2693 if (nb_input_files == 0) {
2694 prepare_grab();
2695 }
2696 } else {
2697 /* player */
2698 if (nb_input_files <= 0) {
2699 fprintf(stderr, "Must supply at least one input file\n");
2700 exit(1);
2701 }
2702 prepare_play();
2703 }
2704
2705 ti = getutime();
2706 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2707 stream_maps, nb_stream_maps);
2708 ti = getutime() - ti;
2709 if (do_benchmark) {
2710 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2711 }
2712
2713 /* close files */
2714 for(i=0;i<nb_output_files;i++) {
2715 /* maybe av_close_output_file ??? */
2716 AVFormatContext *s = output_files[i];
2717 int j;
2718 if (!(s->oformat->flags & AVFMT_NOFILE))
2719 url_fclose(&s->pb);
2720 for(j=0;j<s->nb_streams;j++)
2721 av_free(s->streams[j]);
2722 av_free(s);
2723 }
2724 for(i=0;i<nb_input_files;i++)
2725 av_close_input_file(input_files[i]);
2726
2727 av_free_static();
2728 return 0;
2729 }