simplified version handling
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 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 #include <signal.h>
31 #endif
32 #ifdef CONFIG_OS2
33 #include <sys/types.h>
34 #include <sys/select.h>
35 #include <stdlib.h>
36 #endif
37 #include <time.h>
38
39 #include "cmdutils.h"
40
41 #if !defined(INFINITY) && defined(HUGE_VAL)
42 #define INFINITY HUGE_VAL
43 #endif
44
45 /* select an input stream for an output stream */
46 typedef struct AVStreamMap {
47 int file_index;
48 int stream_index;
49 } AVStreamMap;
50
51 extern const OptionDef options[];
52
53 static void show_help(void);
54 static void show_license(void);
55
56 #define MAX_FILES 20
57
58 static AVFormatContext *input_files[MAX_FILES];
59 static int nb_input_files = 0;
60
61 static AVFormatContext *output_files[MAX_FILES];
62 static int nb_output_files = 0;
63
64 static AVStreamMap stream_maps[MAX_FILES];
65 static int nb_stream_maps;
66
67 static AVInputFormat *file_iformat;
68 static AVOutputFormat *file_oformat;
69 static AVImageFormat *image_format;
70 static int frame_width = 160;
71 static int frame_height = 128;
72 static float frame_aspect_ratio = 0;
73 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
74 static int frame_topBand = 0;
75 static int frame_bottomBand = 0;
76 static int frame_leftBand = 0;
77 static int frame_rightBand = 0;
78 static int frame_rate = 25;
79 static int frame_rate_base = 1;
80 static int video_bit_rate = 200*1000;
81 static int video_bit_rate_tolerance = 4000*1000;
82 static int video_qscale = 0;
83 static int video_qmin = 2;
84 static int video_qmax = 31;
85 static int video_mb_qmin = 2;
86 static int video_mb_qmax = 31;
87 static int video_qdiff = 3;
88 static float video_qblur = 0.5;
89 static float video_qcomp = 0.5;
90 #if 0 //experimental, (can be removed)
91 static float video_rc_qsquish=1.0;
92 static float video_rc_qmod_amp=0;
93 static int video_rc_qmod_freq=0;
94 #endif
95 static char *video_rc_override_string=NULL;
96 static char *video_rc_eq="tex^qComp";
97 static int video_rc_buffer_size=0;
98 static float video_rc_buffer_aggressivity=1.0;
99 static int video_rc_max_rate=0;
100 static int video_rc_min_rate=0;
101 static float video_rc_initial_cplx=0;
102 static float video_b_qfactor = 1.25;
103 static float video_b_qoffset = 1.25;
104 static float video_i_qfactor = -0.8;
105 static float video_i_qoffset = 0.0;
106 static int me_method = ME_EPZS;
107 static int video_disable = 0;
108 static int video_codec_id = CODEC_ID_NONE;
109 static int same_quality = 0;
110 static int b_frames = 0;
111 static int mb_decision = FF_MB_DECISION_SIMPLE;
112 static int use_4mv = 0;
113 static int use_aic = 0;
114 static int use_umv = 0;
115 static int do_deinterlace = 0;
116 static int workaround_bugs = FF_BUG_AUTODETECT;
117 static int error_resilience = 2;
118 static int error_concealment = 3;
119 static int dct_algo = 0;
120 static int idct_algo = 0;
121 static int use_part = 0;
122 static int packet_size = 0;
123 static int strict = 0;
124 static int debug = 0;
125 extern int loop_input; /* currently a hack */
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_t 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_psnr = 0;
144 static int do_vstats = 0;
145 static int do_pass = 0;
146 static int bitexact = 0;
147 static char *pass_logfilename = NULL;
148 static int audio_stream_copy = 0;
149 static int video_stream_copy = 0;
150
151 static int rate_emu = 0;
152
153 static char *video_grab_format = "video4linux";
154 static char *video_device = NULL;
155 static int video_channel = 0;
156 static char *video_standard = "ntsc";
157
158 static char *audio_grab_format = "audio_device";
159 static char *audio_device = NULL;
160
161 static int using_stdin = 0;
162 static int using_vhook = 0;
163 static int verbose = 1;
164
165 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
166
167 typedef struct AVOutputStream {
168 int file_index; /* file index */
169 int index; /* stream index in the output file */
170 int source_index; /* AVInputStream index */
171 AVStream *st; /* stream in the output file */
172 int encoding_needed; /* true if encoding needed for this stream */
173 int frame_number;
174 /* input pts and corresponding output pts
175 for A/V sync */
176 double sync_ipts;
177 double sync_ipts_offset;
178 int64_t sync_opts;
179 /* video only */
180 int video_resample; /* video_resample and video_crop are mutually exclusive */
181 AVPicture pict_tmp; /* temporary image for resampling */
182 ImgReSampleContext *img_resample_ctx; /* for image resampling */
183
184 int video_crop; /* video_resample and video_crop are mutually exclusive */
185 int topBand; /* cropping area sizes */
186 int leftBand;
187
188 /* audio only */
189 int audio_resample;
190 ReSampleContext *resample; /* for audio resampling */
191 FifoBuffer fifo; /* for compression: one audio fifo per codec */
192 FILE *logfile;
193 } AVOutputStream;
194
195 typedef struct AVInputStream {
196 int file_index;
197 int index;
198 AVStream *st;
199 int discard; /* true if stream data should be discarded */
200 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
201 int64_t sample_index; /* current sample */
202 int frame_decoded; /* true if a video or audio frame has been decoded */
203
204 int64_t start; /* time when read started */
205 unsigned long frame; /* current frame */
206 AVFrac next_pts; /* synthetic pts for cases where pkt.pts == 0 */
207 int64_t pts; /* current pts */
208 } AVInputStream;
209
210 typedef struct AVInputFile {
211 int eof_reached; /* true if eof reached */
212 int ist_index; /* index of first stream in ist_table */
213 int buffer_size; /* current total buffer size */
214 int buffer_size_max; /* buffer size at which we consider we can stop
215 buffering */
216 int nb_streams; /* nb streams we are aware of */
217 } AVInputFile;
218
219 #ifndef CONFIG_WIN32
220
221 /* init terminal so that we can grab keys */
222 static struct termios oldtty;
223
224 static void term_exit(void)
225 {
226 tcsetattr (0, TCSANOW, &oldtty);
227 }
228
229 static volatile sig_atomic_t received_sigterm = 0;
230
231 static void
232 sigterm_handler(int sig)
233 {
234 received_sigterm = sig;
235 term_exit();
236 }
237
238 static void term_init(void)
239 {
240 struct termios tty;
241
242 tcgetattr (0, &tty);
243 oldtty = tty;
244
245 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
246 |INLCR|IGNCR|ICRNL|IXON);
247 tty.c_oflag |= OPOST;
248 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
249 tty.c_cflag &= ~(CSIZE|PARENB);
250 tty.c_cflag |= CS8;
251 tty.c_cc[VMIN] = 1;
252 tty.c_cc[VTIME] = 0;
253
254 tcsetattr (0, TCSANOW, &tty);
255
256 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
257 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
258 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
259 /*
260 register a function to be called at normal program termination
261 */
262 atexit(term_exit);
263 #ifdef CONFIG_BEOS_NETSERVER
264 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
265 #endif
266 }
267
268 /* read a key without blocking */
269 static int read_key(void)
270 {
271 int n = 1;
272 unsigned char ch;
273 #ifndef CONFIG_BEOS_NETSERVER
274 struct timeval tv;
275 fd_set rfds;
276
277 FD_ZERO(&rfds);
278 FD_SET(0, &rfds);
279 tv.tv_sec = 0;
280 tv.tv_usec = 0;
281 n = select(1, &rfds, NULL, NULL, &tv);
282 #endif
283 if (n > 0) {
284 n = read(0, &ch, 1);
285 if (n == 1)
286 return ch;
287
288 return n;
289 }
290 return -1;
291 }
292
293 #else
294
295 static volatile int received_sigterm = 0;
296
297 /* no interactive support */
298 static void term_exit(void)
299 {
300 }
301
302 static void term_init(void)
303 {
304 }
305
306 static int read_key(void)
307 {
308 return 0;
309 }
310
311 #endif
312
313 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
314 {
315 int i, err;
316 AVFormatContext *ic;
317
318 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
319 if (err < 0)
320 return err;
321 /* copy stream format */
322 s->nb_streams = ic->nb_streams;
323 for(i=0;i<ic->nb_streams;i++) {
324 AVStream *st;
325
326 st = av_mallocz(sizeof(AVStream));
327 memcpy(st, ic->streams[i], sizeof(AVStream));
328 s->streams[i] = st;
329 }
330
331 av_close_input_file(ic);
332 return 0;
333 }
334
335 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
336
337 static void do_audio_out(AVFormatContext *s,
338 AVOutputStream *ost,
339 AVInputStream *ist,
340 unsigned char *buf, int size)
341 {
342 uint8_t *buftmp;
343 static uint8_t *audio_buf = NULL;
344 static uint8_t *audio_out = NULL;
345 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
346
347 int size_out, frame_bytes, ret;
348 AVCodecContext *enc;
349
350 /* SC: dynamic allocation of buffers */
351 if (!audio_buf)
352 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
353 if (!audio_out)
354 audio_out = av_malloc(audio_out_size);
355 if (!audio_buf || !audio_out)
356 return; /* Should signal an error ! */
357
358
359 enc = &ost->st->codec;
360
361 if (ost->audio_resample) {
362 buftmp = audio_buf;
363 size_out = audio_resample(ost->resample,
364 (short *)buftmp, (short *)buf,
365 size / (ist->st->codec.channels * 2));
366 size_out = size_out * enc->channels * 2;
367 } else {
368 buftmp = buf;
369 size_out = size;
370 }
371
372 /* now encode as many frames as possible */
373 if (enc->frame_size > 1) {
374 /* output resampled raw samples */
375 fifo_write(&ost->fifo, buftmp, size_out,
376 &ost->fifo.wptr);
377
378 frame_bytes = enc->frame_size * 2 * enc->channels;
379
380 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
381 &ost->fifo.rptr) == 0) {
382 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
383 (short *)audio_buf);
384 av_write_frame(s, ost->index, audio_out, ret);
385 }
386 } else {
387 /* output a pcm frame */
388 /* XXX: change encoding codec API to avoid this ? */
389 switch(enc->codec->id) {
390 case CODEC_ID_PCM_S16LE:
391 case CODEC_ID_PCM_S16BE:
392 case CODEC_ID_PCM_U16LE:
393 case CODEC_ID_PCM_U16BE:
394 break;
395 default:
396 size_out = size_out >> 1;
397 break;
398 }
399 ret = avcodec_encode_audio(enc, audio_out, size_out,
400 (short *)buftmp);
401 av_write_frame(s, ost->index, audio_out, ret);
402 }
403 }
404
405 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
406 {
407 AVCodecContext *dec;
408 AVPicture *picture2;
409 AVPicture picture_tmp;
410 uint8_t *buf = 0;
411
412 dec = &ist->st->codec;
413
414 /* deinterlace : must be done before any resize */
415 if (do_deinterlace || using_vhook) {
416 int size;
417
418 /* create temporary picture */
419 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
420 buf = av_malloc(size);
421 if (!buf)
422 return;
423
424 picture2 = &picture_tmp;
425 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
426
427 if (do_deinterlace){
428 if(avpicture_deinterlace(picture2, picture,
429 dec->pix_fmt, dec->width, dec->height) < 0) {
430 /* if error, do not deinterlace */
431 av_free(buf);
432 buf = NULL;
433 picture2 = picture;
434 }
435 } else {
436 if (img_convert(picture2, dec->pix_fmt, picture,
437 dec->pix_fmt, dec->width, dec->height) < 0) {
438 /* if error, do not copy */
439 av_free(buf);
440 buf = NULL;
441 picture2 = picture;
442 }
443 }
444 } else {
445 picture2 = picture;
446 }
447
448 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
449
450 if (picture != picture2)
451 *picture = *picture2;
452 *bufp = buf;
453 }
454
455 /* we begin to correct av delay at this threshold */
456 #define AV_DELAY_MAX 0.100
457
458 static void do_video_out(AVFormatContext *s,
459 AVOutputStream *ost,
460 AVInputStream *ist,
461 AVPicture *in_picture,
462 int *frame_size, AVOutputStream *audio_sync)
463 {
464 int nb_frames, i, ret;
465 AVPicture *final_picture, *formatted_picture;
466 AVPicture picture_format_temp, picture_crop_temp;
467 static uint8_t *video_buffer;
468 uint8_t *buf = NULL, *buf1 = NULL;
469 AVCodecContext *enc, *dec;
470
471 #define VIDEO_BUFFER_SIZE (1024*1024)
472
473 enc = &ost->st->codec;
474 dec = &ist->st->codec;
475
476 /* by default, we output a single frame */
477 nb_frames = 1;
478
479 *frame_size = 0;
480
481 /* NOTE: the A/V sync is always done by considering the audio is
482 the master clock. It is suffisant for transcoding or playing,
483 but not for the general case */
484 if (audio_sync) {
485 /* compute the A-V delay and duplicate/remove frames if needed */
486 double adelta, vdelta, av_delay;
487
488 adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
489 s->pts_num / s->pts_den);
490
491 vdelta = ost->sync_ipts - ((double)ost->sync_opts *
492 s->pts_num / s->pts_den);
493
494 av_delay = adelta - vdelta;
495 // printf("delay=%f\n", av_delay);
496 if (av_delay < -AV_DELAY_MAX)
497 nb_frames = 2;
498 else if (av_delay > AV_DELAY_MAX)
499 nb_frames = 0;
500 } else {
501 double vdelta;
502
503 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
504 if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
505 if (vdelta < -AV_DELAY_MAX)
506 nb_frames = 2;
507 else if (vdelta > AV_DELAY_MAX)
508 nb_frames = 0;
509 } else {
510 ost->sync_ipts_offset -= vdelta;
511 if (!ost->sync_ipts_offset)
512 ost->sync_ipts_offset = 0.000001; /* one microsecond */
513 }
514 }
515
516 #if defined(AVSYNC_DEBUG)
517 static char *action[] = { "drop frame", "copy frame", "dup frame" };
518 if (audio_sync)
519 fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
520 (double) audio_sync->sync_ipts,
521 (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
522 fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
523 (double) ost->sync_ipts,
524 (double) ost->st->pts.val * s->pts_num / s->pts_den,
525 action[nb_frames]);
526 #endif
527
528 if (nb_frames <= 0)
529 return;
530
531 if (!video_buffer)
532 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
533 if (!video_buffer)
534 return;
535
536 /* convert pixel format if needed */
537 if (enc->pix_fmt != dec->pix_fmt) {
538 int size;
539
540 /* create temporary picture */
541 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
542 buf = av_malloc(size);
543 if (!buf)
544 return;
545 formatted_picture = &picture_format_temp;
546 avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
547
548 if (img_convert(formatted_picture, enc->pix_fmt,
549 in_picture, dec->pix_fmt,
550 dec->width, dec->height) < 0) {
551 fprintf(stderr, "pixel format conversion not handled\n");
552 goto the_end;
553 }
554 } else {
555 formatted_picture = in_picture;
556 }
557
558 /* XXX: resampling could be done before raw format convertion in
559 some cases to go faster */
560 /* XXX: only works for YUV420P */
561 if (ost->video_resample) {
562 final_picture = &ost->pict_tmp;
563 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
564 } else if (ost->video_crop) {
565 picture_crop_temp.data[0] = formatted_picture->data[0] +
566 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
567
568 picture_crop_temp.data[1] = formatted_picture->data[1] +
569 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
570 (ost->leftBand >> 1);
571
572 picture_crop_temp.data[2] = formatted_picture->data[2] +
573 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
574 (ost->leftBand >> 1);
575
576 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
577 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
578 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
579 final_picture = &picture_crop_temp;
580 } else {
581 final_picture = formatted_picture;
582 }
583 /* duplicates frame if needed */
584 /* XXX: pb because no interleaving */
585 for(i=0;i<nb_frames;i++) {
586 if (s->oformat->flags & AVFMT_RAWPICTURE) {
587 /* raw pictures are written as AVPicture structure to
588 avoid any copies. We support temorarily the older
589 method. */
590 av_write_frame(s, ost->index,
591 (uint8_t *)final_picture, sizeof(AVPicture));
592 } else {
593 AVFrame big_picture;
594
595 memset(&big_picture, 0, sizeof(AVFrame));
596 *(AVPicture*)&big_picture= *final_picture;
597
598 /* handles sameq here. This is not correct because it may
599 not be a global option */
600 if (same_quality) {
601 big_picture.quality = ist->st->quality;
602 }else
603 big_picture.quality = ost->st->quality;
604
605 ret = avcodec_encode_video(enc,
606 video_buffer, VIDEO_BUFFER_SIZE,
607 &big_picture);
608 //enc->frame_number = enc->real_pict_num;
609 av_write_frame(s, ost->index, video_buffer, ret);
610 *frame_size = ret;
611 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
612 // enc->frame_number-1, enc->real_pict_num, ret,
613 // enc->pict_type);
614 /* if two pass, output log */
615 if (ost->logfile && enc->stats_out) {
616 fprintf(ost->logfile, "%s", enc->stats_out);
617 }
618 }
619 ost->frame_number++;
620 }
621 the_end:
622 av_free(buf);
623 av_free(buf1);
624 }
625
626 static double psnr(double d){
627 if(d==0) return INFINITY;
628 return -10.0*log(d)/log(10.0);
629 }
630
631 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
632 int frame_size)
633 {
634 static FILE *fvstats=NULL;
635 static int64_t total_size = 0;
636 char filename[40];
637 time_t today2;
638 struct tm *today;
639 AVCodecContext *enc;
640 int frame_number;
641 int64_t ti;
642 double ti1, bitrate, avg_bitrate;
643
644 if (!fvstats) {
645 today2 = time(NULL);
646 today = localtime(&today2);
647 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
648 today->tm_min,
649 today->tm_sec);
650 fvstats = fopen(filename,"w");
651 if (!fvstats) {
652 perror("fopen");
653 exit(1);
654 }
655 }
656
657 ti = MAXINT64;
658 enc = &ost->st->codec;
659 total_size += frame_size;
660 if (enc->codec_type == CODEC_TYPE_VIDEO) {
661 frame_number = ost->frame_number;
662 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
663 if (enc->flags&CODEC_FLAG_PSNR)
664 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
665
666 fprintf(fvstats,"f_size= %6d ", frame_size);
667 /* compute pts value */
668 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
669 if (ti1 < 0.01)
670 ti1 = 0.01;
671
672 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
673 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
674 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
675 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
676 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
677 }
678 }
679
680 static void print_report(AVFormatContext **output_files,
681 AVOutputStream **ost_table, int nb_ostreams,
682 int is_last_report)
683 {
684 char buf[1024];
685 AVOutputStream *ost;
686 AVFormatContext *oc, *os;
687 int64_t total_size;
688 AVCodecContext *enc;
689 int frame_number, vid, i;
690 double bitrate, ti1, pts;
691 static int64_t last_time = -1;
692
693 if (!is_last_report) {
694 int64_t cur_time;
695 /* display the report every 0.5 seconds */
696 cur_time = av_gettime();
697 if (last_time == -1) {
698 last_time = cur_time;
699 return;
700 }
701 if ((cur_time - last_time) < 500000)
702 return;
703 last_time = cur_time;
704 }
705
706
707 oc = output_files[0];
708
709 total_size = url_ftell(&oc->pb);
710
711 buf[0] = '\0';
712 ti1 = 1e10;
713 vid = 0;
714 for(i=0;i<nb_ostreams;i++) {
715 ost = ost_table[i];
716 os = output_files[ost->file_index];
717 enc = &ost->st->codec;
718 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
719 sprintf(buf + strlen(buf), "q=%2.1f ",
720 enc->coded_frame->quality);
721 }
722 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
723 frame_number = ost->frame_number;
724 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
725 frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
726 if (enc->flags&CODEC_FLAG_PSNR)
727 sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
728 vid = 1;
729 }
730 /* compute min output value */
731 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
732 if ((pts < ti1) && (pts > 0))
733 ti1 = pts;
734 }
735 if (ti1 < 0.01)
736 ti1 = 0.01;
737
738 if (verbose || is_last_report) {
739 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
740
741 sprintf(buf + strlen(buf),
742 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
743 (double)total_size / 1024, ti1, bitrate);
744
745 fprintf(stderr, "%s \r", buf);
746 fflush(stderr);
747 }
748
749 if (is_last_report)
750 fprintf(stderr, "\n");
751 }
752
753 /*
754 * The following code is the main loop of the file converter
755 */
756 static int av_encode(AVFormatContext **output_files,
757 int nb_output_files,
758 AVFormatContext **input_files,
759 int nb_input_files,
760 AVStreamMap *stream_maps, int nb_stream_maps)
761 {
762 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
763 AVFormatContext *is, *os;
764 AVCodecContext *codec, *icodec;
765 AVOutputStream *ost, **ost_table = NULL;
766 AVInputStream *ist, **ist_table = NULL;
767 AVInputFile *file_table;
768 AVFormatContext *stream_no_data;
769 int key;
770
771 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
772 if (!file_table)
773 goto fail;
774
775 /* input stream init */
776 j = 0;
777 for(i=0;i<nb_input_files;i++) {
778 is = input_files[i];
779 file_table[i].ist_index = j;
780 file_table[i].nb_streams = is->nb_streams;
781 j += is->nb_streams;
782 }
783 nb_istreams = j;
784
785 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
786 if (!ist_table)
787 goto fail;
788
789 for(i=0;i<nb_istreams;i++) {
790 ist = av_mallocz(sizeof(AVInputStream));
791 if (!ist)
792 goto fail;
793 ist_table[i] = ist;
794 }
795 j = 0;
796 for(i=0;i<nb_input_files;i++) {
797 is = input_files[i];
798 for(k=0;k<is->nb_streams;k++) {
799 ist = ist_table[j++];
800 ist->st = is->streams[k];
801 ist->file_index = i;
802 ist->index = k;
803 ist->discard = 1; /* the stream is discarded by default
804 (changed later) */
805
806 if (ist->st->codec.rate_emu) {
807 ist->start = av_gettime();
808 ist->frame = 0;
809 }
810 }
811 }
812
813 /* output stream init */
814 nb_ostreams = 0;
815 for(i=0;i<nb_output_files;i++) {
816 os = output_files[i];
817 nb_ostreams += os->nb_streams;
818 }
819 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
820 fprintf(stderr, "Number of stream maps must match number of output streams\n");
821 exit(1);
822 }
823
824 /* Sanity check the mapping args -- do the input files & streams exist? */
825 for(i=0;i<nb_stream_maps;i++) {
826 int fi = stream_maps[i].file_index;
827 int si = stream_maps[i].stream_index;
828
829 if (fi < 0 || fi > nb_input_files - 1 ||
830 si < 0 || si > file_table[fi].nb_streams - 1) {
831 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
832 exit(1);
833 }
834 }
835
836 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
837 if (!ost_table)
838 goto fail;
839 for(i=0;i<nb_ostreams;i++) {
840 ost = av_mallocz(sizeof(AVOutputStream));
841 if (!ost)
842 goto fail;
843 ost_table[i] = ost;
844 }
845
846 n = 0;
847 for(k=0;k<nb_output_files;k++) {
848 os = output_files[k];
849 for(i=0;i<os->nb_streams;i++) {
850 int found;
851 ost = ost_table[n++];
852 ost->file_index = k;
853 ost->index = i;
854 ost->st = os->streams[i];
855 if (nb_stream_maps > 0) {
856 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
857 stream_maps[n-1].stream_index;
858
859 /* Sanity check that the stream types match */
860 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
861 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
862 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
863 ost->file_index, ost->index);
864 exit(1);
865 }
866
867 } else {
868 /* get corresponding input stream index : we select the first one with the right type */
869 found = 0;
870 for(j=0;j<nb_istreams;j++) {
871 ist = ist_table[j];
872 if (ist->discard &&
873 ist->st->codec.codec_type == ost->st->codec.codec_type) {
874 ost->source_index = j;
875 found = 1;
876 }
877 }
878
879 if (!found) {
880 /* try again and reuse existing stream */
881 for(j=0;j<nb_istreams;j++) {
882 ist = ist_table[j];
883 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
884 ost->source_index = j;
885 found = 1;
886 }
887 }
888 if (!found) {
889 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
890 ost->file_index, ost->index);
891 exit(1);
892 }
893 }
894 }
895 ist = ist_table[ost->source_index];
896 ist->discard = 0;
897 }
898 }
899
900 /* for each output stream, we compute the right encoding parameters */
901 for(i=0;i<nb_ostreams;i++) {
902 ost = ost_table[i];
903 ist = ist_table[ost->source_index];
904
905 codec = &ost->st->codec;
906 icodec = &ist->st->codec;
907
908 if (ost->st->stream_copy) {
909 /* if stream_copy is selected, no need to decode or encode */
910 codec->codec_id = icodec->codec_id;
911 codec->codec_type = icodec->codec_type;
912 codec->codec_tag = icodec->codec_tag;
913 codec->bit_rate = icodec->bit_rate;
914 switch(codec->codec_type) {
915 case CODEC_TYPE_AUDIO:
916 codec->sample_rate = icodec->sample_rate;
917 codec->channels = icodec->channels;
918 break;
919 case CODEC_TYPE_VIDEO:
920 codec->frame_rate = icodec->frame_rate;
921 codec->frame_rate_base = icodec->frame_rate_base;
922 codec->width = icodec->width;
923 codec->height = icodec->height;
924 break;
925 default:
926 av_abort();
927 }
928 } else {
929 switch(codec->codec_type) {
930 case CODEC_TYPE_AUDIO:
931 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
932 goto fail;
933
934 if (codec->channels == icodec->channels &&
935 codec->sample_rate == icodec->sample_rate) {
936 ost->audio_resample = 0;
937 } else {
938 if (codec->channels != icodec->channels &&
939 icodec->codec_id == CODEC_ID_AC3) {
940 /* Special case for 5:1 AC3 input */
941 /* and mono or stereo output */
942 /* Request specific number of channels */
943 icodec->channels = codec->channels;
944 if (codec->sample_rate == icodec->sample_rate)
945 ost->audio_resample = 0;
946 else {
947 ost->audio_resample = 1;
948 ost->resample = audio_resample_init(codec->channels, icodec->channels,
949 codec->sample_rate,
950 icodec->sample_rate);
951 if(!ost->resample)
952 {
953 printf("Can't resample. Aborting.\n");
954 av_abort();
955 }
956 }
957 /* Request specific number of channels */
958 icodec->channels = codec->channels;
959 } else {
960 ost->audio_resample = 1;
961 ost->resample = audio_resample_init(codec->channels, icodec->channels,
962 codec->sample_rate,
963 icodec->sample_rate);
964 if(!ost->resample)
965 {
966 printf("Can't resample. Aborting.\n");
967 av_abort();
968 }
969 }
970 }
971 ist->decoding_needed = 1;
972 ost->encoding_needed = 1;
973 break;
974 case CODEC_TYPE_VIDEO:
975 if (codec->width == icodec->width &&
976 codec->height == icodec->height &&
977 frame_topBand == 0 &&
978 frame_bottomBand == 0 &&
979 frame_leftBand == 0 &&
980 frame_rightBand == 0)
981 {
982 ost->video_resample = 0;
983 ost->video_crop = 0;
984 } else if ((codec->width == icodec->width -
985 (frame_leftBand + frame_rightBand)) &&
986 (codec->height == icodec->height -
987 (frame_topBand + frame_bottomBand)))
988 {
989 ost->video_resample = 0;
990 ost->video_crop = 1;
991 ost->topBand = frame_topBand;
992 ost->leftBand = frame_leftBand;
993 } else {
994 uint8_t *buf;
995 ost->video_resample = 1;
996 ost->video_crop = 0; // cropping is handled as part of resample
997 buf = av_malloc((codec->width * codec->height * 3) / 2);
998 if (!buf)
999 goto fail;
1000 ost->pict_tmp.data[0] = buf;
1001 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1002 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1003 ost->pict_tmp.linesize[0] = codec->width;
1004 ost->pict_tmp.linesize[1] = codec->width / 2;
1005 ost->pict_tmp.linesize[2] = codec->width / 2;
1006
1007 ost->img_resample_ctx = img_resample_full_init(
1008 ost->st->codec.width, ost->st->codec.height,
1009 ist->st->codec.width, ist->st->codec.height,
1010 frame_topBand, frame_bottomBand,
1011 frame_leftBand, frame_rightBand);
1012 }
1013 ost->encoding_needed = 1;
1014 ist->decoding_needed = 1;
1015 break;
1016 default:
1017 av_abort();
1018 }
1019 /* two pass mode */
1020 if (ost->encoding_needed &&
1021 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1022 char logfilename[1024];
1023 FILE *f;
1024 int size;
1025 char *logbuffer;
1026
1027 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1028 pass_logfilename ?
1029 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1030 if (codec->flags & CODEC_FLAG_PASS1) {
1031 f = fopen(logfilename, "w");
1032 if (!f) {
1033 perror(logfilename);
1034 exit(1);
1035 }
1036 ost->logfile = f;
1037 } else {
1038 /* read the log file */
1039 f = fopen(logfilename, "r");
1040 if (!f) {
1041 perror(logfilename);
1042 exit(1);
1043 }
1044 fseek(f, 0, SEEK_END);
1045 size = ftell(f);
1046 fseek(f, 0, SEEK_SET);
1047 logbuffer = av_malloc(size + 1);
1048 if (!logbuffer) {
1049 fprintf(stderr, "Could not allocate log buffer\n");
1050 exit(1);
1051 }
1052 fread(logbuffer, 1, size, f);
1053 fclose(f);
1054 logbuffer[size] = '\0';
1055 codec->stats_in = logbuffer;
1056 }
1057 }
1058 }
1059 }
1060
1061 /* dump the file output parameters - cannot be done before in case
1062 of stream copy */
1063 for(i=0;i<nb_output_files;i++) {
1064 dump_format(output_files[i], i, output_files[i]->filename, 1);
1065 }
1066
1067 /* dump the stream mapping */
1068 fprintf(stderr, "Stream mapping:\n");
1069 for(i=0;i<nb_ostreams;i++) {
1070 ost = ost_table[i];
1071 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1072 ist_table[ost->source_index]->file_index,
1073 ist_table[ost->source_index]->index,
1074 ost->file_index,
1075 ost->index);
1076 }
1077
1078 /* open each encoder */
1079 for(i=0;i<nb_ostreams;i++) {
1080 ost = ost_table[i];
1081 if (ost->encoding_needed) {
1082 AVCodec *codec;
1083 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1084 if (!codec) {
1085 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1086 ost->file_index, ost->index);
1087 exit(1);
1088 }
1089 if (avcodec_open(&ost->st->codec, codec) < 0) {
1090 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1091 ost->file_index, ost->index);
1092 exit(1);
1093 }
1094 }
1095 }
1096
1097 /* open each decoder */
1098 for(i=0;i<nb_istreams;i++) {
1099 ist = ist_table[i];
1100 if (ist->decoding_needed) {
1101 AVCodec *codec;
1102 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1103 if (!codec) {
1104 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1105 ist->st->codec.codec_id, ist->file_index, ist->index);
1106 exit(1);
1107 }
1108 if (avcodec_open(&ist->st->codec, codec) < 0) {
1109 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1110 ist->file_index, ist->index);
1111 exit(1);
1112 }
1113 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1114 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1115 ist->frame_decoded = 1;
1116 }
1117 }
1118
1119 /* init pts */
1120 for(i=0;i<nb_istreams;i++) {
1121 ist = ist_table[i];
1122 is = input_files[ist->file_index];
1123 ist->pts = 0;
1124 switch (ist->st->codec.codec_type) {
1125 case CODEC_TYPE_AUDIO:
1126 av_frac_init(&ist->next_pts,
1127 0, 0, is->pts_num * ist->st->codec.sample_rate);
1128 break;
1129 case CODEC_TYPE_VIDEO:
1130 av_frac_init(&ist->next_pts,
1131 0, 0, is->pts_num * ist->st->codec.frame_rate);
1132 break;
1133 default:
1134 break;
1135 }
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 ( !using_stdin )
1155 fprintf(stderr, "Press [q] to stop encoding\n");
1156 #endif
1157 term_init();
1158
1159 stream_no_data = 0;
1160 key = -1;
1161
1162 for(; received_sigterm == 0;) {
1163 int file_index, ist_index;
1164 AVPacket pkt;
1165 uint8_t *ptr;
1166 int len;
1167 uint8_t *data_buf;
1168 int data_size, got_picture;
1169 AVPicture picture;
1170 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1171 void *buffer_to_free;
1172 double pts_min;
1173
1174 redo:
1175 /* if 'q' pressed, exits */
1176 if (!using_stdin) {
1177 /* read_key() returns 0 on EOF */
1178 key = read_key();
1179 if (key == 'q')
1180 break;
1181 }
1182
1183 /* select the stream that we must read now by looking at the
1184 smallest output pts */
1185 file_index = -1;
1186 pts_min = 1e10;
1187 for(i=0;i<nb_ostreams;i++) {
1188 double pts;
1189 ost = ost_table[i];
1190 os = output_files[ost->file_index];
1191 ist = ist_table[ost->source_index];
1192 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1193 if (!file_table[ist->file_index].eof_reached &&
1194 pts < pts_min) {
1195 pts_min = pts;
1196 file_index = ist->file_index;
1197 }
1198 }
1199 /* if none, if is finished */
1200 if (file_index < 0) {
1201 break;
1202 }
1203
1204 /* finish if recording time exhausted */
1205 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1206 break;
1207
1208 /* read a packet from it and output it in the fifo */
1209 is = input_files[file_index];
1210 if (av_read_packet(is, &pkt) < 0) {
1211 file_table[file_index].eof_reached = 1;
1212 continue;
1213 }
1214 if (!pkt.size) {
1215 stream_no_data = is;
1216 } else {
1217 stream_no_data = 0;
1218 }
1219 if (do_hex_dump) {
1220 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1221 av_hex_dump(pkt.data, pkt.size);
1222 }
1223 /* the following test is needed in case new streams appear
1224 dynamically in stream : we ignore them */
1225 if (pkt.stream_index >= file_table[file_index].nb_streams)
1226 goto discard_packet;
1227 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1228 ist = ist_table[ist_index];
1229 if (ist->discard)
1230 goto discard_packet;
1231
1232 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1233
1234 len = pkt.size;
1235 ptr = pkt.data;
1236 while (len > 0) {
1237 /* decode the packet if needed */
1238 data_buf = NULL; /* fail safe */
1239 data_size = 0;
1240 if (ist->decoding_needed) {
1241 /* NOTE1: we only take into account the PTS if a new
1242 frame has begun (MPEG semantics) */
1243 /* NOTE2: even if the fraction is not initialized,
1244 av_frac_set can be used to set the integer part */
1245 if (ist->frame_decoded) {
1246 /* If pts is unavailable -- we have to use synthetic one */
1247 if( pkt.pts != AV_NOPTS_VALUE )
1248 {
1249 ist->pts = ist->next_pts.val = pkt.pts;
1250 }
1251 else
1252 {
1253 ist->pts = ist->next_pts.val;
1254 }
1255 ist->frame_decoded = 0;
1256 }
1257
1258 switch(ist->st->codec.codec_type) {
1259 case CODEC_TYPE_AUDIO:
1260 /* XXX: could avoid copy if PCM 16 bits with same
1261 endianness as CPU */
1262 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1263 ptr, len);
1264 if (ret < 0)
1265 goto fail_decode;
1266 /* Some bug in mpeg audio decoder gives */
1267 /* data_size < 0, it seems they are overflows */
1268 if (data_size <= 0) {
1269 /* no audio frame */
1270 ptr += ret;
1271 len -= ret;
1272 continue;
1273 }
1274 data_buf = (uint8_t *)samples;
1275 av_frac_add(&ist->next_pts,
1276 is->pts_den * data_size / (2 * ist->st->codec.channels));
1277 break;
1278 case CODEC_TYPE_VIDEO:
1279 {
1280 AVFrame big_picture;
1281
1282 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1283 ret = avcodec_decode_video(&ist->st->codec,
1284 &big_picture, &got_picture, ptr, len);
1285 picture= *(AVPicture*)&big_picture;
1286 ist->st->quality= big_picture.quality;
1287 if (ret < 0) {
1288 fail_decode:
1289 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1290 ist->file_index, ist->index);
1291 av_free_packet(&pkt);
1292 goto redo;
1293 }
1294 if (!got_picture) {
1295 /* no picture yet */
1296 ptr += ret;
1297 len -= ret;
1298 continue;
1299 }
1300 av_frac_add(&ist->next_pts,
1301 is->pts_den * ist->st->codec.frame_rate_base);
1302 }
1303 break;
1304 default:
1305 goto fail_decode;
1306 }
1307 } else {
1308 data_buf = ptr;
1309 data_size = len;
1310 ret = len;
1311 }
1312 ptr += ret;
1313 len -= ret;
1314
1315 buffer_to_free = 0;
1316 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1317 pre_process_video_frame(ist, &picture, &buffer_to_free);
1318 }
1319
1320 ist->frame_decoded = 1;
1321
1322 /* frame rate emulation */
1323 if (ist->st->codec.rate_emu) {
1324 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1325 int64_t now = av_gettime() - ist->start;
1326 if (pts > now)
1327 usleep(pts - now);
1328
1329 ist->frame++;
1330 }
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_t 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 0
1355 printf("%d: got pts=%f %f\n", i, pkt.pts / 90000.0,
1356 (ist->pts - ost->st->pts.val) / 90000.0);
1357 #endif
1358 /* set the input output pts pairs */
1359 ost->sync_ipts = (double)ist->pts * is->pts_num /
1360 is->pts_den;
1361 /* XXX: take into account the various fifos,
1362 in particular for audio */
1363 ost->sync_opts = ost->st->pts.val;
1364 //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt.pts=%lld\n", ist->pts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt.pts);
1365
1366 if (ost->encoding_needed) {
1367 switch(ost->st->codec.codec_type) {
1368 case CODEC_TYPE_AUDIO:
1369 do_audio_out(os, ost, ist, data_buf, data_size);
1370 break;
1371 case CODEC_TYPE_VIDEO:
1372 /* find an audio stream for synchro */
1373 {
1374 int i;
1375 AVOutputStream *audio_sync, *ost1;
1376 audio_sync = NULL;
1377 for(i=0;i<nb_ostreams;i++) {
1378 ost1 = ost_table[i];
1379 if (ost1->file_index == ost->file_index &&
1380 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1381 audio_sync = ost1;
1382 break;
1383 }
1384 }
1385
1386 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1387 if (do_vstats && frame_size)
1388 do_video_stats(os, ost, frame_size);
1389 }
1390 break;
1391 default:
1392 av_abort();
1393 }
1394 } else {
1395 AVFrame avframe;
1396
1397 /* no reencoding needed : output the packet directly */
1398 /* force the input stream PTS */
1399
1400 memset(&avframe, 0, sizeof(AVFrame));
1401 ost->st->codec.coded_frame= &avframe;
1402 avframe.key_frame = pkt.flags & PKT_FLAG_KEY;
1403
1404 av_write_frame(os, ost->index, data_buf, data_size);
1405 ost->st->codec.frame_number++;
1406 ost->frame_number++;
1407 }
1408 }
1409 }
1410 av_free(buffer_to_free);
1411 }
1412 discard_packet:
1413 av_free_packet(&pkt);
1414
1415 /* dump report by using the output first video and audio streams */
1416 print_report(output_files, ost_table, nb_ostreams, 0);
1417 }
1418 term_exit();
1419
1420 /* dump report by using the first video and audio streams */
1421 print_report(output_files, ost_table, nb_ostreams, 1);
1422
1423 /* close each encoder */
1424 for(i=0;i<nb_ostreams;i++) {
1425 ost = ost_table[i];
1426 if (ost->encoding_needed) {
1427 av_freep(&ost->st->codec.stats_in);
1428 avcodec_close(&ost->st->codec);
1429 }
1430 }
1431
1432 /* close each decoder */
1433 for(i=0;i<nb_istreams;i++) {
1434 ist = ist_table[i];
1435 if (ist->decoding_needed) {
1436 avcodec_close(&ist->st->codec);
1437 }
1438 }
1439
1440
1441 /* write the trailer if needed and close file */
1442 for(i=0;i<nb_output_files;i++) {
1443 os = output_files[i];
1444 av_write_trailer(os);
1445 }
1446 /* finished ! */
1447
1448 ret = 0;
1449 fail1:
1450 av_free(file_table);
1451
1452 if (ist_table) {
1453 for(i=0;i<nb_istreams;i++) {
1454 ist = ist_table[i];
1455 av_free(ist);
1456 }
1457 av_free(ist_table);
1458 }
1459 if (ost_table) {
1460 for(i=0;i<nb_ostreams;i++) {
1461 ost = ost_table[i];
1462 if (ost) {
1463 if (ost->logfile) {
1464 fclose(ost->logfile);
1465 ost->logfile = NULL;
1466 }
1467 fifo_free(&ost->fifo); /* works even if fifo is not
1468 initialized but set to zero */
1469 av_free(ost->pict_tmp.data[0]);
1470 if (ost->video_resample)
1471 img_resample_close(ost->img_resample_ctx);
1472 if (ost->audio_resample)
1473 audio_resample_close(ost->resample);
1474 av_free(ost);
1475 }
1476 }
1477 av_free(ost_table);
1478 }
1479 return ret;
1480 fail:
1481 ret = -ENOMEM;
1482 goto fail1;
1483 }
1484
1485 #if 0
1486 int file_read(const char *filename)
1487 {
1488 URLContext *h;
1489 unsigned char buffer[1024];
1490 int len, i;
1491
1492 if (url_open(&h, filename, O_RDONLY) < 0) {
1493 printf("could not open '%s'\n", filename);
1494 return -1;
1495 }
1496 for(;;) {
1497 len = url_read(h, buffer, sizeof(buffer));
1498 if (len <= 0)
1499 break;
1500 for(i=0;i<len;i++) putchar(buffer[i]);
1501 }
1502 url_close(h);
1503 return 0;
1504 }
1505 #endif
1506
1507 static void opt_image_format(const char *arg)
1508 {
1509 AVImageFormat *f;
1510
1511 for(f = first_image_format; f != NULL; f = f->next) {
1512 if (!strcmp(arg, f->name))
1513 break;
1514 }
1515 if (!f) {
1516 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1517 exit(1);
1518 }
1519 image_format = f;
1520 }
1521
1522 static void opt_format(const char *arg)
1523 {
1524 /* compatibility stuff for pgmyuv */
1525 if (!strcmp(arg, "pgmyuv")) {
1526 opt_image_format(arg);
1527 arg = "image";
1528 }
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 static void opt_video_bitrate(const char *arg)
1539 {
1540 video_bit_rate = atoi(arg) * 1000;
1541 }
1542
1543 static void opt_video_bitrate_tolerance(const char *arg)
1544 {
1545 video_bit_rate_tolerance = atoi(arg) * 1000;
1546 }
1547
1548 static void opt_video_bitrate_max(const char *arg)
1549 {
1550 video_rc_max_rate = atoi(arg) * 1000;
1551 }
1552
1553 static void opt_video_bitrate_min(const char *arg)
1554 {
1555 video_rc_min_rate = atoi(arg) * 1000;
1556 }
1557
1558 static void opt_video_buffer_size(const char *arg)
1559 {
1560 video_rc_buffer_size = atoi(arg) * 1000;
1561 }
1562
1563 static void opt_video_rc_eq(char *arg)
1564 {
1565 video_rc_eq = arg;
1566 }
1567
1568 static void opt_video_rc_override_string(char *arg)
1569 {
1570 video_rc_override_string = arg;
1571 }
1572
1573
1574 static void opt_workaround_bugs(const char *arg)
1575 {
1576 workaround_bugs = atoi(arg);
1577 }
1578
1579 static void opt_dct_algo(const char *arg)
1580 {
1581 dct_algo = atoi(arg);
1582 }
1583
1584 static void opt_idct_algo(const char *arg)
1585 {
1586 idct_algo = atoi(arg);
1587 }
1588
1589
1590 static void opt_error_resilience(const char *arg)
1591 {
1592 error_resilience = atoi(arg);
1593 }
1594
1595 static void opt_error_concealment(const char *arg)
1596 {
1597 error_concealment = atoi(arg);
1598 }
1599
1600 static void opt_debug(const char *arg)
1601 {
1602 debug = atoi(arg);
1603 }
1604
1605 static void opt_verbose(const char *arg)
1606 {
1607 verbose = atoi(arg);
1608 }
1609
1610 static void opt_frame_rate(const char *arg)
1611 {
1612 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1613 fprintf(stderr, "Incorrect frame rate\n");
1614 exit(1);
1615 }
1616 }
1617
1618 static void opt_frame_crop_top(const char *arg)
1619 {
1620 frame_topBand = atoi(arg);
1621 if (frame_topBand < 0) {
1622 fprintf(stderr, "Incorrect top crop size\n");
1623 exit(1);
1624 }
1625 if ((frame_topBand % 2) != 0) {
1626 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1627 exit(1);
1628 }
1629 if ((frame_topBand) >= frame_height){
1630 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1631 exit(1);
1632 }
1633 frame_height -= frame_topBand;
1634 }
1635
1636 static void opt_frame_crop_bottom(const char *arg)
1637 {
1638 frame_bottomBand = atoi(arg);
1639 if (frame_bottomBand < 0) {
1640 fprintf(stderr, "Incorrect bottom crop size\n");
1641 exit(1);
1642 }
1643 if ((frame_bottomBand % 2) != 0) {
1644 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1645 exit(1);
1646 }
1647 if ((frame_bottomBand) >= frame_height){
1648 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1649 exit(1);
1650 }
1651 frame_height -= frame_bottomBand;
1652 }
1653
1654 static void opt_frame_crop_left(const char *arg)
1655 {
1656 frame_leftBand = atoi(arg);
1657 if (frame_leftBand < 0) {
1658 fprintf(stderr, "Incorrect left crop size\n");
1659 exit(1);
1660 }
1661 if ((frame_leftBand % 2) != 0) {
1662 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1663 exit(1);
1664 }
1665 if ((frame_leftBand) >= frame_width){
1666 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1667 exit(1);
1668 }
1669 frame_width -= frame_leftBand;
1670 }
1671
1672 static void opt_frame_crop_right(const char *arg)
1673 {
1674 frame_rightBand = atoi(arg);
1675 if (frame_rightBand < 0) {
1676 fprintf(stderr, "Incorrect right crop size\n");
1677 exit(1);
1678 }
1679 if ((frame_rightBand % 2) != 0) {
1680 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1681 exit(1);
1682 }
1683 if ((frame_rightBand) >= frame_width){
1684 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1685 exit(1);
1686 }
1687 frame_width -= frame_rightBand;
1688 }
1689
1690 static void opt_frame_size(const char *arg)
1691 {
1692 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1693 fprintf(stderr, "Incorrect frame size\n");
1694 exit(1);
1695 }
1696 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1697 fprintf(stderr, "Frame size must be a multiple of 2\n");
1698 exit(1);
1699 }
1700 }
1701
1702 static void opt_frame_pix_fmt(const char *arg)
1703 {
1704 frame_pix_fmt = avcodec_get_pix_fmt(arg);
1705 }
1706
1707 static void opt_frame_aspect_ratio(const char *arg)
1708 {
1709 int x = 0, y = 0;
1710 double ar = 0;
1711 const char *p;
1712
1713 p = strchr(arg, ':');
1714 if (p) {
1715 x = strtol(arg, (char **)&arg, 10);
1716 if (arg == p)
1717 y = strtol(arg+1, (char **)&arg, 10);
1718 if (x > 0 && y > 0)
1719 ar = (double)x / (double)y;
1720 } else
1721 ar = strtod(arg, (char **)&arg);
1722
1723 if (!ar) {
1724 fprintf(stderr, "Incorrect aspect ratio specification.\n");
1725 exit(1);
1726 }
1727 frame_aspect_ratio = ar;
1728 }
1729
1730 static void opt_gop_size(const char *arg)
1731 {
1732 gop_size = atoi(arg);
1733 }
1734
1735 static void opt_b_frames(const char *arg)
1736 {
1737 b_frames = atoi(arg);
1738 if (b_frames > FF_MAX_B_FRAMES) {
1739 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1740 exit(1);
1741 } else if (b_frames < 1) {
1742 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1743 exit(1);
1744 }
1745 }
1746
1747 static void opt_mb_decision(const char *arg)
1748 {
1749 mb_decision = atoi(arg);
1750 }
1751
1752 static void opt_qscale(const char *arg)
1753 {
1754 video_qscale = atoi(arg);
1755 if (video_qscale < 0 ||
1756 video_qscale > 31) {
1757 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1758 exit(1);
1759 }
1760 }
1761
1762 static void opt_qmin(const char *arg)
1763 {
1764 video_qmin = atoi(arg);
1765 if (video_qmin < 0 ||
1766 video_qmin > 31) {
1767 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1768 exit(1);
1769 }
1770 }
1771
1772 static void opt_qmax(const char *arg)
1773 {
1774 video_qmax = atoi(arg);
1775 if (video_qmax < 0 ||
1776 video_qmax > 31) {
1777 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1778 exit(1);
1779 }
1780 }
1781
1782 static void opt_mb_qmin(const char *arg)
1783 {
1784 video_mb_qmin = atoi(arg);
1785 if (video_mb_qmin < 0 ||
1786 video_mb_qmin > 31) {
1787 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1788 exit(1);
1789 }
1790 }
1791
1792 static void opt_mb_qmax(const char *arg)
1793 {
1794 video_mb_qmax = atoi(arg);
1795 if (video_mb_qmax < 0 ||
1796 video_mb_qmax > 31) {
1797 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1798 exit(1);
1799 }
1800 }
1801
1802 static void opt_qdiff(const char *arg)
1803 {
1804 video_qdiff = atoi(arg);
1805 if (video_qdiff < 0 ||
1806 video_qdiff > 31) {
1807 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1808 exit(1);
1809 }
1810 }
1811
1812 static void opt_qblur(const char *arg)
1813 {
1814 video_qblur = atof(arg);
1815 }
1816
1817 static void opt_qcomp(const char *arg)
1818 {
1819 video_qcomp = atof(arg);
1820 }
1821
1822 static void opt_rc_initial_cplx(const char *arg)
1823 {
1824 video_rc_initial_cplx = atof(arg);
1825 }
1826 static void opt_b_qfactor(const char *arg)
1827 {
1828 video_b_qfactor = atof(arg);
1829 }
1830 static void opt_i_qfactor(const char *arg)
1831 {
1832 video_i_qfactor = atof(arg);
1833 }
1834 static void opt_b_qoffset(const char *arg)
1835 {
1836 video_b_qoffset = atof(arg);
1837 }
1838 static void opt_i_qoffset(const char *arg)
1839 {
1840 video_i_qoffset = atof(arg);
1841 }
1842
1843 static void opt_packet_size(const char *arg)
1844 {
1845 packet_size= atoi(arg);
1846 }
1847
1848 static void opt_strict(const char *arg)
1849 {
1850 strict= atoi(arg);
1851 }
1852
1853 static void opt_audio_bitrate(const char *arg)
1854 {
1855 audio_bit_rate = atoi(arg) * 1000;
1856 }
1857
1858 static void opt_audio_rate(const char *arg)
1859 {
1860 audio_sample_rate = atoi(arg);
1861 }
1862
1863 static void opt_audio_channels(const char *arg)
1864 {
1865 audio_channels = atoi(arg);
1866 }
1867
1868 static void opt_video_device(const char *arg)
1869 {
1870 video_device = av_strdup(arg);
1871 }
1872
1873 static void opt_video_channel(const char *arg)
1874 {
1875 video_channel = strtol(arg, NULL, 0);
1876 }
1877
1878 static void opt_video_standard(const char *arg)
1879 {
1880 video_standard = av_strdup(arg);
1881 }
1882
1883 static void opt_audio_device(const char *arg)
1884 {
1885 audio_device = av_strdup(arg);
1886 }
1887
1888 static void opt_dv1394(const char *arg)
1889 {
1890 video_grab_format = "dv1394";
1891 audio_grab_format = NULL;
1892 }
1893
1894 static void opt_audio_codec(const char *arg)
1895 {
1896 AVCodec *p;
1897
1898 if (!strcmp(arg, "copy")) {
1899 audio_stream_copy = 1;
1900 } else {
1901 p = first_avcodec;
1902 while (p) {
1903 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1904 break;
1905 p = p->next;
1906 }
1907 if (p == NULL) {
1908 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1909 exit(1);
1910 } else {
1911 audio_codec_id = p->id;
1912 }
1913 }
1914 }
1915
1916 static void add_frame_hooker(const char *arg)
1917 {
1918 int argc = 0;
1919 char *argv[64];
1920 int i;
1921 char *args = av_strdup(arg);
1922
1923 using_vhook = 1;
1924
1925 argv[0] = strtok(args, " ");
1926 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1927 }
1928
1929 i = frame_hook_add(argc, argv);
1930
1931 if (i != 0) {
1932 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1933 exit(1);
1934 }
1935 }
1936
1937 const char *motion_str[] = {
1938 "zero",
1939 "full",
1940 "log",
1941 "phods",
1942 "epzs",
1943 "x1",
1944 NULL,
1945 };
1946
1947 static void opt_motion_estimation(const char *arg)
1948 {
1949 const char **p;
1950 p = motion_str;
1951 for(;;) {
1952 if (!*p) {
1953 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1954 exit(1);
1955 }
1956 if (!strcmp(*p, arg))
1957 break;
1958 p++;
1959 }
1960 me_method = (p - motion_str) + 1;
1961 }
1962
1963 static void opt_video_codec(const char *arg)
1964 {
1965 AVCodec *p;
1966
1967 if (!strcmp(arg, "copy")) {
1968 video_stream_copy = 1;
1969 } else {
1970 p = first_avcodec;
1971 while (p) {
1972 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1973 break;
1974 p = p->next;
1975 }
1976 if (p == NULL) {
1977 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1978 exit(1);
1979 } else {
1980 video_codec_id = p->id;
1981 }
1982 }
1983 }
1984
1985 static void opt_map(const char *arg)
1986 {
1987 AVStreamMap *m;
1988 const char *p;
1989
1990 p = arg;
1991 m = &stream_maps[nb_stream_maps++];
1992
1993 m->file_index = strtol(arg, (char **)&p, 0);
1994 if (*p)
1995 p++;
1996
1997 m->stream_index = strtol(p, (char **)&p, 0);
1998 }
1999
2000 static void opt_recording_time(const char *arg)
2001 {
2002 recording_time = parse_date(arg, 1);
2003 }
2004
2005 static void opt_input_file(const char *filename)
2006 {
2007 AVFormatContext *ic;
2008 AVFormatParameters params, *ap = &params;
2009 int err, i, ret, rfps, rfps_base;
2010
2011 if (!strcmp(filename, "-"))
2012 filename = "pipe:";
2013
2014 using_stdin |= !strcmp(filename, "pipe:" ) ||
2015 !strcmp( filename, "/dev/stdin" );
2016
2017 /* get default parameters from command line */
2018 memset(ap, 0, sizeof(*ap));
2019 ap->sample_rate = audio_sample_rate;
2020 ap->channels = audio_channels;
2021 ap->frame_rate = frame_rate;
2022 ap->frame_rate_base = frame_rate_base;
2023 ap->width = frame_width;
2024 ap->height = frame_height;
2025 ap->image_format = image_format;
2026 ap->pix_fmt = frame_pix_fmt;
2027
2028 /* open the input file with generic libav function */
2029 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2030 if (err < 0) {
2031 print_error(filename, err);
2032 exit(1);
2033 }
2034
2035 /* If not enough info to get the stream parameters, we decode the
2036 first frames to get it. (used in mpeg case for example) */
2037 ret = av_find_stream_info(ic);
2038 if (ret < 0) {
2039 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2040 exit(1);
2041 }
2042
2043 /* update the current parameters so that they match the one of the input stream */
2044 for(i=0;i<ic->nb_streams;i++) {
2045 AVCodecContext *enc = &ic->streams[i]->codec;
2046 switch(enc->codec_type) {
2047 case CODEC_TYPE_AUDIO:
2048 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2049 audio_channels = enc->channels;
2050 audio_sample_rate = enc->sample_rate;
2051 break;
2052 case CODEC_TYPE_VIDEO:
2053 frame_height = enc->height;
2054 frame_width = enc->width;
2055 frame_aspect_ratio = enc->aspect_ratio;
2056 frame_pix_fmt = enc->pix_fmt;
2057 rfps = ic->streams[i]->r_frame_rate;
2058 rfps_base = ic->streams[i]->r_frame_rate_base;
2059 enc->workaround_bugs = workaround_bugs;
2060 enc->error_resilience = error_resilience;
2061 enc->error_concealment = error_concealment;
2062 enc->idct_algo= idct_algo;
2063 enc->debug= debug;
2064 /* if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2065 enc->flags|= CODEC_FLAG_TRUNCATED; */
2066 if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO || enc->codec_id==CODEC_ID_H264)
2067 enc->flags|= CODEC_FLAG_TRUNCATED;
2068
2069 if(bitexact)
2070 enc->flags|= CODEC_FLAG_BITEXACT;
2071
2072 assert(enc->frame_rate_base == rfps_base); // should be true for now
2073 if (enc->frame_rate != rfps) {
2074 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2075 i, (float)enc->frame_rate / enc->frame_rate_base,
2076 (float)rfps / rfps_base);
2077 }
2078 /* update the current frame rate to match the stream frame rate */
2079 frame_rate = rfps;
2080 frame_rate_base = rfps_base;
2081
2082 enc->rate_emu = rate_emu;
2083 break;
2084 default:
2085 av_abort();
2086 }
2087 }
2088
2089 input_files[nb_input_files] = ic;
2090 /* dump the file content */
2091 dump_format(ic, nb_input_files, filename, 0);
2092 nb_input_files++;
2093 file_iformat = NULL;
2094 file_oformat = NULL;
2095 image_format = NULL;
2096
2097 rate_emu = 0;
2098 }
2099
2100 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2101 {
2102 int has_video, has_audio, i, j;
2103 AVFormatContext *ic;
2104
2105 has_video = 0;
2106 has_audio = 0;
2107 for(j=0;j<nb_input_files;j++) {
2108 ic = input_files[j];
2109 for(i=0;i<ic->nb_streams;i++) {
2110 AVCodecContext *enc = &ic->streams[i]->codec;
2111 switch(enc->codec_type) {
2112 case CODEC_TYPE_AUDIO:
2113 has_audio = 1;
2114 break;
2115 case CODEC_TYPE_VIDEO:
2116 has_video = 1;
2117 break;
2118 default:
2119 av_abort();
2120 }
2121 }
2122 }
2123 *has_video_ptr = has_video;
2124 *has_audio_ptr = has_audio;
2125 }
2126
2127 static void opt_output_file(const char *filename)
2128 {
2129 AVStream *st;
2130 AVFormatContext *oc;
2131 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2132 int codec_id;
2133 AVFormatParameters params, *ap = &params;
2134
2135 if (!strcmp(filename, "-"))
2136 filename = "pipe:";
2137
2138 oc = av_mallocz(sizeof(AVFormatContext));
2139
2140 if (!file_oformat) {
2141 file_oformat = guess_format(NULL, filename, NULL);
2142 if (!file_oformat) {
2143 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2144 filename);
2145 exit(1);
2146 }
2147 }
2148
2149 oc->oformat = file_oformat;
2150
2151 if (!strcmp(file_oformat->name, "ffm") &&
2152 strstart(filename, "http:", NULL)) {
2153 /* special case for files sent to ffserver: we get the stream
2154 parameters from ffserver */
2155 if (read_ffserver_streams(oc, filename) < 0) {
2156 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2157 exit(1);
2158 }
2159 } else {
2160 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2161 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2162
2163 /* disable if no corresponding type found and at least one
2164 input file */
2165 if (nb_input_files > 0) {
2166 check_audio_video_inputs(&input_has_video, &input_has_audio);
2167 if (!input_has_video)
2168 use_video = 0;
2169 if (!input_has_audio)
2170 use_audio = 0;
2171 }
2172
2173 /* manual disable */
2174 if (audio_disable) {
2175 use_audio = 0;
2176 }
2177 if (video_disable) {
2178 use_video = 0;
2179 }
2180
2181 nb_streams = 0;
2182 if (use_video) {
2183 AVCodecContext *video_enc;
2184
2185 st = av_mallocz(sizeof(AVStream));
2186 if (!st) {
2187 fprintf(stderr, "Could not alloc stream\n");
2188 exit(1);
2189 }
2190 avcodec_get_context_defaults(&st->codec);
2191
2192 video_enc = &st->codec;
2193
2194 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2195 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2196 if (video_stream_copy) {
2197 st->stream_copy = 1;
2198 video_enc->codec_type = CODEC_TYPE_VIDEO;
2199 } else {
2200 char *p;
2201 int i;
2202
2203 codec_id = file_oformat->video_codec;
2204 if (video_codec_id != CODEC_ID_NONE)
2205 codec_id = video_codec_id;
2206
2207 video_enc->codec_id = codec_id;
2208
2209 video_enc->bit_rate = video_bit_rate;
2210 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2211 video_enc->frame_rate = frame_rate;
2212 video_enc->frame_rate_base = frame_rate_base;
2213
2214 video_enc->width = frame_width;
2215 video_enc->height = frame_height;
2216 video_enc->aspect_ratio = frame_aspect_ratio;
2217 video_enc->pix_fmt = frame_pix_fmt;
2218
2219 if (!intra_only)
2220 video_enc->gop_size = gop_size;
2221 else
2222 video_enc->gop_size = 0;
2223 if (video_qscale || same_quality) {
2224 video_enc->flags |= CODEC_FLAG_QSCALE;
2225 st->quality = video_qscale;
2226 }
2227
2228 if(bitexact)
2229 video_enc->flags |= CODEC_FLAG_BITEXACT;
2230
2231 video_enc->mb_decision = mb_decision;
2232
2233 if (use_umv) {
2234 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2235 }
2236 if (use_aic) {
2237 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2238 }
2239 if (use_4mv) {
2240 video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
2241 video_enc->flags |= CODEC_FLAG_4MV;
2242 }
2243
2244 if(use_part)
2245 video_enc->flags |= CODEC_FLAG_PART;
2246
2247
2248 if (b_frames) {
2249 video_enc->max_b_frames = b_frames;
2250 video_enc->b_frame_strategy = 0;
2251 video_enc->b_quant_factor = 2.0;
2252 }
2253
2254 video_enc->qmin = video_qmin;
2255 video_enc->qmax = video_qmax;
2256 video_enc->mb_qmin = video_mb_qmin;
2257 video_enc->mb_qmax = video_mb_qmax;
2258 video_enc->max_qdiff = video_qdiff;
2259 video_enc->qblur = video_qblur;
2260 video_enc->qcompress = video_qcomp;
2261 video_enc->rc_eq = video_rc_eq;
2262 video_enc->debug= debug;
2263
2264 p= video_rc_override_string;
2265 for(i=0; p; i++){
2266 int start, end, q;
2267 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2268 if(e!=3){
2269 fprintf(stderr, "error parsing rc_override\n");
2270 exit(1);
2271 }
2272 video_enc->rc_override=
2273 av_realloc(video_enc->rc_override,
2274 sizeof(RcOverride)*(i+1));
2275 video_enc->rc_override[i].start_frame= start;
2276 video_enc->rc_override[i].end_frame = end;
2277 if(q>0){
2278 video_enc->rc_override[i].qscale= q;
2279 video_enc->rc_override[i].quality_factor= 1.0;
2280 }
2281 else{
2282 video_enc->rc_override[i].qscale= 0;
2283 video_enc->rc_override[i].quality_factor= -q/100.0;
2284 }
2285 p= strchr(p, '/');
2286 if(p) p++;
2287 }
2288 video_enc->rc_override_count=i;
2289
2290 video_enc->rc_max_rate = video_rc_max_rate;
2291 video_enc->rc_min_rate = video_rc_min_rate;
2292 video_enc->rc_buffer_size = video_rc_buffer_size;
2293 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2294 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2295 video_enc->i_quant_factor = video_i_qfactor;
2296 video_enc->b_quant_factor = video_b_qfactor;
2297 video_enc->i_quant_offset = video_i_qoffset;
2298 video_enc->b_quant_offset = video_b_qoffset;
2299 video_enc->dct_algo = dct_algo;
2300 video_enc->idct_algo = idct_algo;
2301 video_enc->strict_std_compliance = strict;
2302 if(packet_size){
2303 video_enc->rtp_mode= 1;
2304 video_enc->rtp_payload_size= packet_size;
2305 }
2306
2307 if (do_psnr)
2308 video_enc->flags|= CODEC_FLAG_PSNR;
2309
2310 video_enc->me_method = me_method;
2311
2312 /* two pass mode */
2313 if (do_pass) {
2314 if (do_pass == 1) {
2315 video_enc->flags |= CODEC_FLAG_PASS1;
2316 } else {
2317 video_enc->flags |= CODEC_FLAG_PASS2;
2318 }
2319 }
2320 }
2321 oc->streams[nb_streams] = st;
2322 nb_streams++;
2323 }
2324
2325 if (use_audio) {
2326 AVCodecContext *audio_enc;
2327
2328 st = av_mallocz(sizeof(AVStream));
2329 if (!st) {
2330 fprintf(stderr, "Could not alloc stream\n");
2331 exit(1);
2332 }
2333 avcodec_get_context_defaults(&st->codec);
2334
2335 audio_enc = &st->codec;
2336 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2337 if (audio_stream_copy) {
2338 st->stream_copy = 1;
2339 } else {
2340 codec_id = file_oformat->audio_codec;
2341 if (audio_codec_id != CODEC_ID_NONE)
2342 codec_id = audio_codec_id;
2343 audio_enc->codec_id = codec_id;
2344
2345 audio_enc->bit_rate = audio_bit_rate;
2346 audio_enc->sample_rate = audio_sample_rate;
2347 /* For audio codecs other than AC3 we limit */
2348 /* the number of coded channels to stereo */
2349 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2350 audio_enc->channels = 2;
2351 } else
2352 audio_enc->channels = audio_channels;
2353 }
2354 oc->streams[nb_streams] = st;
2355 nb_streams++;
2356 }
2357
2358 oc->nb_streams = nb_streams;
2359
2360 if (!nb_streams) {
2361 fprintf(stderr, "No audio or video streams available\n");
2362 exit(1);
2363 }
2364
2365 if (str_title)
2366 pstrcpy(oc->title, sizeof(oc->title), str_title);
2367 if (str_author)
2368 pstrcpy(oc->author, sizeof(oc->author), str_author);
2369 if (str_copyright)
2370 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2371 if (str_comment)
2372 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2373 }
2374
2375 output_files[nb_output_files++] = oc;
2376
2377 strcpy(oc->filename, filename);
2378
2379 /* check filename in case of an image number is expected */
2380 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2381 if (filename_number_test(oc->filename) < 0) {
2382 print_error(oc->filename, AVERROR_NUMEXPECTED);
2383 exit(1);
2384 }
2385 }
2386
2387 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2388 /* test if it already exists to avoid loosing precious files */
2389 if (!file_overwrite &&
2390 (strchr(filename, ':') == NULL ||
2391 strstart(filename, "file:", NULL))) {
2392 if (url_exist(filename)) {
2393 int c;
2394
2395 if ( !using_stdin ) {
2396 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2397 fflush(stderr);
2398 c = getchar();
2399 if (toupper(c) != 'Y') {
2400 fprintf(stderr, "Not overwriting - exiting\n");
2401 exit(1);
2402 }
2403 }
2404 else {
2405 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2406 exit(1);
2407 }
2408 }
2409 }
2410
2411 /* open the file */
2412 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2413 fprintf(stderr, "Could not open '%s'\n", filename);
2414 exit(1);
2415 }
2416 }
2417
2418 memset(ap, 0, sizeof(*ap));
2419 ap->image_format = image_format;
2420 if (av_set_parameters(oc, ap) < 0) {
2421 fprintf(stderr, "%s: Invalid encoding parameters\n",
2422 oc->filename);
2423 exit(1);
2424 }
2425
2426 /* reset some options */
2427 file_oformat = NULL;
2428 file_iformat = NULL;
2429 image_format = NULL;
2430 audio_disable = 0;
2431 video_disable = 0;
2432 audio_codec_id = CODEC_ID_NONE;
2433 video_codec_id = CODEC_ID_NONE;
2434 audio_stream_copy = 0;
2435 video_stream_copy = 0;
2436 }
2437
2438 /* prepare dummy protocols for grab */
2439 static void prepare_grab(void)
2440 {
2441 int has_video, has_audio, i, j;
2442 AVFormatContext *oc;
2443 AVFormatContext *ic;
2444 AVFormatParameters vp1, *vp = &vp1;
2445 AVFormatParameters ap1, *ap = &ap1;
2446
2447 /* see if audio/video inputs are needed */
2448 has_video = 0;
2449 has_audio = 0;
2450 memset(ap, 0, sizeof(*ap));
2451 memset(vp, 0, sizeof(*vp));
2452 for(j=0;j<nb_output_files;j++) {
2453 oc = output_files[j];
2454 for(i=0;i<oc->nb_streams;i++) {
2455 AVCodecContext *enc = &oc->streams[i]->codec;
2456 switch(enc->codec_type) {
2457 case CODEC_TYPE_AUDIO:
2458 if (enc->sample_rate > ap->sample_rate)
2459 ap->sample_rate = enc->sample_rate;
2460 if (enc->channels > ap->channels)
2461 ap->channels = enc->channels;
2462 has_audio = 1;
2463 break;
2464 case CODEC_TYPE_VIDEO:
2465 if (enc->width > vp->width)
2466 vp->width = enc->width;
2467 if (enc->height > vp->height)
2468 vp->height = enc->height;
2469
2470 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2471 if (enc->frame_rate > vp->frame_rate){
2472 vp->frame_rate = enc->frame_rate;
2473 vp->frame_rate_base = enc->frame_rate_base;
2474 }
2475 has_video = 1;
2476 break;
2477 default:
2478 av_abort();
2479 }
2480 }
2481 }
2482
2483 if (has_video == 0 && has_audio == 0) {
2484 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2485 exit(1);
2486 }
2487
2488 if (has_video) {
2489 AVInputFormat *fmt1;
2490 fmt1 = av_find_input_format(video_grab_format);
2491 vp->device = video_device;
2492 vp->channel = video_channel;
2493 vp->standard = video_standard;
2494 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2495 fprintf(stderr, "Could not find video grab device\n");
2496 exit(1);
2497 }
2498 /* by now video grab has one stream */
2499 ic->streams[0]->r_frame_rate = vp->frame_rate;
2500 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2501 input_files[nb_input_files] = ic;
2502 dump_format(ic, nb_input_files, "", 0);
2503 nb_input_files++;
2504 }
2505 if (has_audio && audio_grab_format) {
2506 AVInputFormat *fmt1;
2507 fmt1 = av_find_input_format(audio_grab_format);
2508 ap->device = audio_device;
2509 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2510 fprintf(stderr, "Could not find audio grab device\n");
2511 exit(1);
2512 }
2513 input_files[nb_input_files] = ic;
2514 dump_format(ic, nb_input_files, "", 0);
2515 nb_input_files++;
2516 }
2517 }
2518
2519 /* same option as mencoder */
2520 static void opt_pass(const char *pass_str)
2521 {
2522 int pass;
2523 pass = atoi(pass_str);
2524 if (pass != 1 && pass != 2) {
2525 fprintf(stderr, "pass number can be only 1 or 2\n");
2526 exit(1);
2527 }
2528 do_pass = pass;
2529 }
2530
2531 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2532 static int64_t getutime(void)
2533 {
2534 return av_gettime();
2535 }
2536 #else
2537 static int64_t getutime(void)
2538 {
2539 struct rusage rusage;
2540
2541 getrusage(RUSAGE_SELF, &rusage);
2542 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2543 }
2544 #endif
2545
2546 extern int ffm_nopts;
2547
2548 static void opt_bitexact(void)
2549 {
2550 bitexact=1;
2551 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2552 ffm_nopts = 1;
2553 }
2554
2555 static void show_formats(void)
2556 {
2557 AVInputFormat *ifmt;
2558 AVOutputFormat *ofmt;
2559 AVImageFormat *image_fmt;
2560 URLProtocol *up;
2561 AVCodec *p;
2562 const char **pp;
2563
2564 printf("Output audio/video file formats:");
2565 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2566 printf(" %s", ofmt->name);
2567 }
2568 printf("\n");
2569
2570 printf("Input audio/video file formats:");
2571 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2572 printf(" %s", ifmt->name);
2573 }
2574 printf("\n");
2575
2576 printf("Output image formats:");
2577 for(image_fmt = first_image_format; image_fmt != NULL;
2578 image_fmt = image_fmt->next) {
2579 if (image_fmt->img_write)
2580 printf(" %s", image_fmt->name);
2581 }
2582 printf("\n");
2583
2584 printf("Input image formats:");
2585 for(image_fmt = first_image_format; image_fmt != NULL;
2586 image_fmt = image_fmt->next) {
2587 if (image_fmt->img_read)
2588 printf(" %s", image_fmt->name);
2589 }
2590 printf("\n");
2591
2592 printf("Codecs:\n");
2593 printf(" Encoders:");
2594 for(p = first_avcodec; p != NULL; p = p->next) {
2595 if (p->encode)
2596 printf(" %s", p->name);
2597 }
2598 printf("\n");
2599
2600 printf(" Decoders:");
2601 for(p = first_avcodec; p != NULL; p = p->next) {
2602 if (p->decode)
2603 printf(" %s", p->name);
2604 }
2605 printf("\n");
2606
2607 printf("Supported file protocols:");
2608 for(up = first_protocol; up != NULL; up = up->next)
2609 printf(" %s:", up->name);
2610 printf("\n");
2611
2612 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2613 printf("Motion estimation methods:");
2614 pp = motion_str;
2615 while (*pp) {
2616 printf(" %s", *pp);
2617 if ((pp - motion_str + 1) == ME_ZERO)
2618 printf("(fastest)");
2619 else if ((pp - motion_str + 1) == ME_FULL)
2620 printf("(slowest)");
2621 else if ((pp - motion_str + 1) == ME_EPZS)
2622 printf("(default)");
2623 pp++;
2624 }
2625 printf("\n");
2626 exit(1);
2627 }
2628
2629 const OptionDef options[] = {
2630 /* main options */
2631 { "L", 0, {(void*)show_license}, "show license" },
2632 { "h", 0, {(void*)show_help}, "show help" },
2633 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2634 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2635 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2636 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2637 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2638 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2639 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2640 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2641 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2642 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2643 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2644 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2645 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2646 "add timings for benchmarking" },
2647 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2648 "dump each input packet" },
2649 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2650 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2651 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2652 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2653
2654 /* video options */
2655 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2656 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2657 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2658 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2659 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2660 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2661 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2662 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2663 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2664 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2665 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2666 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2667 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2668 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2669 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2670 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2671 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2672 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2673 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2674 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2675 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2676 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2677 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2678 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2679 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2680 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2681 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2682 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2683 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2684 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2685 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2686 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2687 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2688 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
2689 "method" },
2690 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
2691 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
2692 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
2693 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
2694 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
2695 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
2696 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
2697 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2698 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2699 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2700 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
2701 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
2702 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
2703 "use same video quality as source (implies VBR)" },
2704 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2705 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2706 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
2707 "deinterlace pictures" },
2708 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2709 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
2710 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
2711 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
2712 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
2713
2714 /* audio options */
2715 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2716 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2717 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2718 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
2719 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2720
2721 /* grab options */
2722 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
2723 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2724 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
2725 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2726 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
2727 { NULL, },
2728 };
2729
2730 static void show_banner(void)
2731 {
2732 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
2733 }
2734
2735 static void show_license(void)
2736 {
2737 show_banner();
2738 printf(
2739 "This library is free software; you can redistribute it and/or\n"
2740 "modify it under the terms of the GNU Lesser General Public\n"
2741 "License as published by the Free Software Foundation; either\n"
2742 "version 2 of the License, or (at your option) any later version.\n"
2743 "\n"
2744 "This library is distributed in the hope that it will be useful,\n"
2745 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
2746 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
2747 "Lesser General Public License for more details.\n"
2748 "\n"
2749 "You should have received a copy of the GNU Lesser General Public\n"
2750 "License along with this library; if not, write to the Free Software\n"
2751 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
2752 );
2753 exit(1);
2754 }
2755
2756 static void show_help(void)
2757 {
2758 show_banner();
2759 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2760 "Hyper fast Audio and Video encoder\n");
2761 printf("\n");
2762 show_help_options(options, "Main options:\n",
2763 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
2764 show_help_options(options, "\nVideo options:\n",
2765 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2766 OPT_VIDEO);
2767 show_help_options(options, "\nAdvanced Video options:\n",
2768 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2769 OPT_VIDEO | OPT_EXPERT);
2770 show_help_options(options, "\nAudio options:\n",
2771 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2772 OPT_AUDIO);
2773 show_help_options(options, "\nAdvanced Audio options:\n",
2774 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2775 OPT_AUDIO | OPT_EXPERT);
2776 show_help_options(options, "\nAudio/Video grab options:\n",
2777 OPT_GRAB,
2778 OPT_GRAB);
2779 show_help_options(options, "\nAdvanced options:\n",
2780 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2781 OPT_EXPERT);
2782 exit(1);
2783 }
2784
2785 void parse_arg_file(const char *filename)
2786 {
2787 opt_output_file(filename);
2788 }
2789
2790 int main(int argc, char **argv)
2791 {
2792 int i;
2793 int64_t ti;
2794
2795 av_register_all();
2796
2797 if (argc <= 1)
2798 show_help();
2799
2800 /* parse options */
2801 parse_options(argc, argv, options);
2802
2803 /* file converter / grab */
2804 if (nb_output_files <= 0) {
2805 fprintf(stderr, "Must supply at least one output file\n");
2806 exit(1);
2807 }
2808
2809 if (nb_input_files == 0) {
2810 prepare_grab();
2811 }
2812
2813 ti = getutime();
2814 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2815 stream_maps, nb_stream_maps);
2816 ti = getutime() - ti;
2817 if (do_benchmark) {
2818 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2819 }
2820
2821 /* close files */
2822 for(i=0;i<nb_output_files;i++) {
2823 /* maybe av_close_output_file ??? */
2824 AVFormatContext *s = output_files[i];
2825 int j;
2826 if (!(s->oformat->flags & AVFMT_NOFILE))
2827 url_fclose(&s->pb);
2828 for(j=0;j<s->nb_streams;j++)
2829 av_free(s->streams[j]);
2830 av_free(s);
2831 }
2832 for(i=0;i<nb_input_files;i++)
2833 av_close_input_file(input_files[i]);
2834
2835 av_free_static();
2836
2837
2838 #ifdef POWERPC_PERFORMANCE_REPORT
2839 extern void powerpc_display_perf_report(void);
2840 powerpc_display_perf_report();
2841 #endif /* POWERPC_PERFORMANCE_REPORT */
2842
2843 #ifndef CONFIG_WIN32
2844 if (received_sigterm) {
2845 fprintf(stderr,
2846 "Received signal %d: terminating.\n",
2847 (int) received_sigterm);
2848 exit (255);
2849 }
2850 #endif
2851 exit(0); /* not all OS-es handle main() return value */
2852 return 0;
2853 }