445dc06054c2eb14627e077d58be24d8fa0ae043
[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 "common.h"
21 #include "avformat.h"
22 #include "framehook.h"
23 /* usleep() */
24 #include "os_support.h"
25
26 #ifndef CONFIG_WIN32
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <sys/ioctl.h>
30 #include <sys/time.h>
31 #include <termios.h>
32 #include <sys/resource.h>
33 #include <signal.h>
34 #endif
35 #ifdef CONFIG_OS2
36 #include <sys/types.h>
37 #include <sys/select.h>
38 #include <stdlib.h>
39 #endif
40 #include <time.h>
41 #include <ctype.h>
42
43 #include "cmdutils.h"
44
45 #if !defined(INFINITY) && defined(HUGE_VAL)
46 #define INFINITY HUGE_VAL
47 #endif
48
49 /* select an input stream for an output stream */
50 typedef struct AVStreamMap {
51 int file_index;
52 int stream_index;
53 } AVStreamMap;
54
55 extern const OptionDef options[];
56
57 static void show_help(void);
58 static void show_license(void);
59
60 #define MAX_FILES 20
61
62 static AVFormatContext *input_files[MAX_FILES];
63 static int nb_input_files = 0;
64
65 static AVFormatContext *output_files[MAX_FILES];
66 static int nb_output_files = 0;
67
68 static AVStreamMap stream_maps[MAX_FILES];
69 static int nb_stream_maps;
70
71 static AVInputFormat *file_iformat;
72 static AVOutputFormat *file_oformat;
73 static AVImageFormat *image_format;
74 static int frame_width = 160;
75 static int frame_height = 128;
76 static float frame_aspect_ratio = 0;
77 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
78 static int frame_topBand = 0;
79 static int frame_bottomBand = 0;
80 static int frame_leftBand = 0;
81 static int frame_rightBand = 0;
82 static int frame_rate = 25;
83 static int frame_rate_base = 1;
84 static int video_bit_rate = 200*1000;
85 static int video_bit_rate_tolerance = 4000*1000;
86 static int video_qscale = 0;
87 static int video_qmin = 2;
88 static int video_qmax = 31;
89 static int video_mb_qmin = 2;
90 static int video_mb_qmax = 31;
91 static int video_qdiff = 3;
92 static float video_qblur = 0.5;
93 static float video_qcomp = 0.5;
94 #if 0 //experimental, (can be removed)
95 static float video_rc_qsquish=1.0;
96 static float video_rc_qmod_amp=0;
97 static int video_rc_qmod_freq=0;
98 #endif
99 static char *video_rc_override_string=NULL;
100 static char *video_rc_eq="tex^qComp";
101 static int video_rc_buffer_size=0;
102 static float video_rc_buffer_aggressivity=1.0;
103 static int video_rc_max_rate=0;
104 static int video_rc_min_rate=0;
105 static float video_rc_initial_cplx=0;
106 static float video_b_qfactor = 1.25;
107 static float video_b_qoffset = 1.25;
108 static float video_i_qfactor = -0.8;
109 static float video_i_qoffset = 0.0;
110 static int me_method = ME_EPZS;
111 static int video_disable = 0;
112 static int video_codec_id = CODEC_ID_NONE;
113 static int same_quality = 0;
114 static int b_frames = 0;
115 static int mb_decision = FF_MB_DECISION_SIMPLE;
116 static int use_4mv = 0;
117 static int use_aic = 0;
118 static int use_umv = 0;
119 static int do_deinterlace = 0;
120 static int workaround_bugs = FF_BUG_AUTODETECT;
121 static int error_resilience = 2;
122 static int error_concealment = 3;
123 static int dct_algo = 0;
124 static int idct_algo = 0;
125 static int use_part = 0;
126 static int packet_size = 0;
127 static int strict = 0;
128 static int debug = 0;
129 extern int loop_input; /* currently a hack */
130
131 static int gop_size = 12;
132 static int intra_only = 0;
133 static int audio_sample_rate = 44100;
134 static int audio_bit_rate = 64000;
135 static int audio_disable = 0;
136 static int audio_channels = 1;
137 static int audio_codec_id = CODEC_ID_NONE;
138
139 static int64_t recording_time = 0;
140 static int file_overwrite = 0;
141 static char *str_title = NULL;
142 static char *str_author = NULL;
143 static char *str_copyright = NULL;
144 static char *str_comment = NULL;
145 static int do_benchmark = 0;
146 static int do_hex_dump = 0;
147 static int do_psnr = 0;
148 static int do_vstats = 0;
149 static int do_pass = 0;
150 static int bitexact = 0;
151 static char *pass_logfilename = NULL;
152 static int audio_stream_copy = 0;
153 static int video_stream_copy = 0;
154
155 static int rate_emu = 0;
156
157 static char *video_grab_format = "video4linux";
158 static char *video_device = NULL;
159 static int video_channel = 0;
160 static char *video_standard = "ntsc";
161
162 static char *audio_grab_format = "audio_device";
163 static char *audio_device = NULL;
164
165 static int using_stdin = 0;
166 static int verbose = 1;
167
168 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
169
170 typedef struct AVOutputStream {
171 int file_index; /* file index */
172 int index; /* stream index in the output file */
173 int source_index; /* AVInputStream index */
174 AVStream *st; /* stream in the output file */
175 int encoding_needed; /* true if encoding needed for this stream */
176 int frame_number;
177 /* input pts and corresponding output pts
178 for A/V sync */
179 double sync_ipts;
180 double sync_ipts_offset;
181 int64_t sync_opts;
182 /* video only */
183 int video_resample; /* video_resample and video_crop are mutually exclusive */
184 AVPicture pict_tmp; /* temporary image for resampling */
185 ImgReSampleContext *img_resample_ctx; /* for image resampling */
186
187 int video_crop; /* video_resample and video_crop are mutually exclusive */
188 int topBand; /* cropping area sizes */
189 int leftBand;
190
191 /* audio only */
192 int audio_resample;
193 ReSampleContext *resample; /* for audio resampling */
194 FifoBuffer fifo; /* for compression: one audio fifo per codec */
195 FILE *logfile;
196 } AVOutputStream;
197
198 typedef struct AVInputStream {
199 int file_index;
200 int index;
201 AVStream *st;
202 int discard; /* true if stream data should be discarded */
203 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
204 int64_t sample_index; /* current sample */
205 int frame_decoded; /* true if a video or audio frame has been decoded */
206
207 int64_t start; /* time when read started */
208 unsigned long frame; /* current frame */
209 AVFrac next_pts; /* synthetic pts for cases where pkt.pts == 0 */
210 int64_t pts; /* current pts */
211 } AVInputStream;
212
213 typedef struct AVInputFile {
214 int eof_reached; /* true if eof reached */
215 int ist_index; /* index of first stream in ist_table */
216 int buffer_size; /* current total buffer size */
217 int buffer_size_max; /* buffer size at which we consider we can stop
218 buffering */
219 int nb_streams; /* nb streams we are aware of */
220 } AVInputFile;
221
222 #ifndef CONFIG_WIN32
223
224 /* init terminal so that we can grab keys */
225 static struct termios oldtty;
226
227 static void term_exit(void)
228 {
229 tcsetattr (0, TCSANOW, &oldtty);
230 }
231
232 static volatile sig_atomic_t received_sigterm = 0;
233
234 static void
235 sigterm_handler(int sig)
236 {
237 received_sigterm = sig;
238 term_exit();
239 }
240
241 static void term_init(void)
242 {
243 struct termios tty;
244
245 tcgetattr (0, &tty);
246 oldtty = tty;
247
248 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
249 |INLCR|IGNCR|ICRNL|IXON);
250 tty.c_oflag |= OPOST;
251 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
252 tty.c_cflag &= ~(CSIZE|PARENB);
253 tty.c_cflag |= CS8;
254 tty.c_cc[VMIN] = 1;
255 tty.c_cc[VTIME] = 0;
256
257 tcsetattr (0, TCSANOW, &tty);
258
259 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
260 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
261 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
262 /*
263 register a function to be called at normal program termination
264 */
265 atexit(term_exit);
266 #ifdef CONFIG_BEOS_NETSERVER
267 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
268 #endif
269 }
270
271 /* read a key without blocking */
272 static int read_key(void)
273 {
274 int n = 1;
275 unsigned char ch;
276 #ifndef CONFIG_BEOS_NETSERVER
277 struct timeval tv;
278 fd_set rfds;
279
280 FD_ZERO(&rfds);
281 FD_SET(0, &rfds);
282 tv.tv_sec = 0;
283 tv.tv_usec = 0;
284 n = select(1, &rfds, NULL, NULL, &tv);
285 #endif
286 if (n > 0) {
287 n = read(0, &ch, 1);
288 if (n == 1)
289 return ch;
290
291 return n;
292 }
293 return -1;
294 }
295
296 #else
297
298 /* no interactive support */
299 static void term_exit(void)
300 {
301 }
302
303 static void term_init(void)
304 {
305 }
306
307 static int read_key(void)
308 {
309 return 0;
310 }
311
312 #endif
313
314 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
315 {
316 int i, err;
317 AVFormatContext *ic;
318
319 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
320 if (err < 0)
321 return err;
322 /* copy stream format */
323 s->nb_streams = ic->nb_streams;
324 for(i=0;i<ic->nb_streams;i++) {
325 AVStream *st;
326
327 st = av_mallocz(sizeof(AVStream));
328 memcpy(st, ic->streams[i], sizeof(AVStream));
329 s->streams[i] = st;
330 }
331
332 av_close_input_file(ic);
333 return 0;
334 }
335
336 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
337
338 static void do_audio_out(AVFormatContext *s,
339 AVOutputStream *ost,
340 AVInputStream *ist,
341 unsigned char *buf, int size)
342 {
343 uint8_t *buftmp;
344 static uint8_t *audio_buf = NULL;
345 static uint8_t *audio_out = NULL;
346 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
347
348 int size_out, frame_bytes, ret;
349 AVCodecContext *enc;
350
351 /* SC: dynamic allocation of buffers */
352 if (!audio_buf)
353 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
354 if (!audio_out)
355 audio_out = av_malloc(audio_out_size);
356 if (!audio_buf || !audio_out)
357 return; /* Should signal an error ! */
358
359
360 enc = &ost->st->codec;
361
362 if (ost->audio_resample) {
363 buftmp = audio_buf;
364 size_out = audio_resample(ost->resample,
365 (short *)buftmp, (short *)buf,
366 size / (ist->st->codec.channels * 2));
367 size_out = size_out * enc->channels * 2;
368 } else {
369 buftmp = buf;
370 size_out = size;
371 }
372
373 /* now encode as many frames as possible */
374 if (enc->frame_size > 1) {
375 /* output resampled raw samples */
376 fifo_write(&ost->fifo, buftmp, size_out,
377 &ost->fifo.wptr);
378
379 frame_bytes = enc->frame_size * 2 * enc->channels;
380
381 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
382 &ost->fifo.rptr) == 0) {
383 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
384 (short *)audio_buf);
385 av_write_frame(s, ost->index, audio_out, ret);
386 }
387 } else {
388 /* output a pcm frame */
389 /* XXX: change encoding codec API to avoid this ? */
390 switch(enc->codec->id) {
391 case CODEC_ID_PCM_S16LE:
392 case CODEC_ID_PCM_S16BE:
393 case CODEC_ID_PCM_U16LE:
394 case CODEC_ID_PCM_U16BE:
395 break;
396 default:
397 size_out = size_out >> 1;
398 break;
399 }
400 ret = avcodec_encode_audio(enc, audio_out, size_out,
401 (short *)buftmp);
402 av_write_frame(s, ost->index, audio_out, ret);
403 }
404 }
405
406 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
407 {
408 AVCodecContext *dec;
409 AVPicture *picture2;
410 AVPicture picture_tmp;
411 uint8_t *buf = 0;
412
413 dec = &ist->st->codec;
414
415 /* deinterlace : must be done before any resize */
416 if (do_deinterlace) {
417 int size;
418
419 /* create temporary picture */
420 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
421 buf = av_malloc(size);
422 if (!buf)
423 return;
424
425 picture2 = &picture_tmp;
426 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
427
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 picture2 = picture;
437 }
438
439 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
440
441 if (picture != picture2)
442 *picture = *picture2;
443 *bufp = buf;
444 }
445
446 /* we begin to correct av delay at this threshold */
447 #define AV_DELAY_MAX 0.100
448
449 static void do_video_out(AVFormatContext *s,
450 AVOutputStream *ost,
451 AVInputStream *ist,
452 AVPicture *in_picture,
453 int *frame_size, AVOutputStream *audio_sync)
454 {
455 int nb_frames, i, ret;
456 AVPicture *final_picture, *formatted_picture;
457 AVPicture picture_format_temp, picture_crop_temp;
458 static uint8_t *video_buffer;
459 uint8_t *buf = NULL, *buf1 = NULL;
460 AVCodecContext *enc, *dec;
461
462 #define VIDEO_BUFFER_SIZE (1024*1024)
463
464 enc = &ost->st->codec;
465 dec = &ist->st->codec;
466
467 /* by default, we output a single frame */
468 nb_frames = 1;
469
470 *frame_size = 0;
471
472 /* NOTE: the A/V sync is always done by considering the audio is
473 the master clock. It is suffisant for transcoding or playing,
474 but not for the general case */
475 if (audio_sync) {
476 /* compute the A-V delay and duplicate/remove frames if needed */
477 double adelta, vdelta, av_delay;
478
479 adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
480 s->pts_num / s->pts_den);
481
482 vdelta = ost->sync_ipts - ((double)ost->sync_opts *
483 s->pts_num / s->pts_den);
484
485 av_delay = adelta - vdelta;
486 // printf("delay=%f\n", av_delay);
487 if (av_delay < -AV_DELAY_MAX)
488 nb_frames = 2;
489 else if (av_delay > AV_DELAY_MAX)
490 nb_frames = 0;
491 } else {
492 double vdelta;
493
494 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
495 if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
496 if (vdelta < -AV_DELAY_MAX)
497 nb_frames = 2;
498 else if (vdelta > AV_DELAY_MAX)
499 nb_frames = 0;
500 } else {
501 ost->sync_ipts_offset -= vdelta;
502 if (!ost->sync_ipts_offset)
503 ost->sync_ipts_offset = 0.000001; /* one microsecond */
504 }
505 }
506
507 #if defined(AVSYNC_DEBUG)
508 static char *action[] = { "drop frame", "copy frame", "dup frame" };
509 if (audio_sync)
510 fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
511 (double) audio_sync->sync_ipts,
512 (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
513 fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
514 (double) ost->sync_ipts,
515 (double) ost->st->pts.val * s->pts_num / s->pts_den,
516 action[nb_frames]);
517 #endif
518
519 if (nb_frames <= 0)
520 return;
521
522 if (!video_buffer)
523 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
524 if (!video_buffer)
525 return;
526
527 /* convert pixel format if needed */
528 if (enc->pix_fmt != dec->pix_fmt) {
529 int size;
530
531 /* create temporary picture */
532 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
533 buf = av_malloc(size);
534 if (!buf)
535 return;
536 formatted_picture = &picture_format_temp;
537 avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
538
539 if (img_convert(formatted_picture, enc->pix_fmt,
540 in_picture, dec->pix_fmt,
541 dec->width, dec->height) < 0) {
542 fprintf(stderr, "pixel format conversion not handled\n");
543 goto the_end;
544 }
545 } else {
546 formatted_picture = in_picture;
547 }
548
549 /* XXX: resampling could be done before raw format convertion in
550 some cases to go faster */
551 /* XXX: only works for YUV420P */
552 if (ost->video_resample) {
553 final_picture = &ost->pict_tmp;
554 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
555 } else if (ost->video_crop) {
556 picture_crop_temp.data[0] = formatted_picture->data[0] +
557 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
558
559 picture_crop_temp.data[1] = formatted_picture->data[1] +
560 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
561 (ost->leftBand >> 1);
562
563 picture_crop_temp.data[2] = formatted_picture->data[2] +
564 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
565 (ost->leftBand >> 1);
566
567 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
568 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
569 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
570 final_picture = &picture_crop_temp;
571 } else {
572 final_picture = formatted_picture;
573 }
574 /* duplicates frame if needed */
575 /* XXX: pb because no interleaving */
576 for(i=0;i<nb_frames;i++) {
577 if (s->oformat->flags & AVFMT_RAWPICTURE) {
578 /* raw pictures are written as AVPicture structure to
579 avoid any copies. We support temorarily the older
580 method. */
581 av_write_frame(s, ost->index,
582 (uint8_t *)final_picture, sizeof(AVPicture));
583 } else {
584 AVFrame big_picture;
585
586 memset(&big_picture, 0, sizeof(AVFrame));
587 *(AVPicture*)&big_picture= *final_picture;
588
589 /* handles sameq here. This is not correct because it may
590 not be a global option */
591 if (same_quality) {
592 big_picture.quality = ist->st->quality;
593 }else
594 big_picture.quality = ost->st->quality;
595
596 ret = avcodec_encode_video(enc,
597 video_buffer, VIDEO_BUFFER_SIZE,
598 &big_picture);
599 //enc->frame_number = enc->real_pict_num;
600 av_write_frame(s, ost->index, video_buffer, ret);
601 *frame_size = ret;
602 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
603 // enc->frame_number-1, enc->real_pict_num, ret,
604 // enc->pict_type);
605 /* if two pass, output log */
606 if (ost->logfile && enc->stats_out) {
607 fprintf(ost->logfile, "%s", enc->stats_out);
608 }
609 }
610 ost->frame_number++;
611 }
612 the_end:
613 av_free(buf);
614 av_free(buf1);
615 }
616
617 static double psnr(double d){
618 if(d==0) return INFINITY;
619 return -10.0*log(d)/log(10.0);
620 }
621
622 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
623 int frame_size)
624 {
625 static FILE *fvstats=NULL;
626 static int64_t total_size = 0;
627 char filename[40];
628 time_t today2;
629 struct tm *today;
630 AVCodecContext *enc;
631 int frame_number;
632 int64_t ti;
633 double ti1, bitrate, avg_bitrate;
634
635 if (!fvstats) {
636 today2 = time(NULL);
637 today = localtime(&today2);
638 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
639 today->tm_min,
640 today->tm_sec);
641 fvstats = fopen(filename,"w");
642 if (!fvstats) {
643 perror("fopen");
644 exit(1);
645 }
646 }
647
648 ti = MAXINT64;
649 enc = &ost->st->codec;
650 total_size += frame_size;
651 if (enc->codec_type == CODEC_TYPE_VIDEO) {
652 frame_number = ost->frame_number;
653 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
654 if (enc->flags&CODEC_FLAG_PSNR)
655 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
656
657 fprintf(fvstats,"f_size= %6d ", frame_size);
658 /* compute pts value */
659 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
660 if (ti1 < 0.01)
661 ti1 = 0.01;
662
663 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
664 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
665 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
666 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
667 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
668 }
669 }
670
671 static void print_report(AVFormatContext **output_files,
672 AVOutputStream **ost_table, int nb_ostreams,
673 int is_last_report)
674 {
675 char buf[1024];
676 AVOutputStream *ost;
677 AVFormatContext *oc, *os;
678 int64_t total_size;
679 AVCodecContext *enc;
680 int frame_number, vid, i;
681 double bitrate, ti1, pts;
682 static int64_t last_time = -1;
683
684 if (!is_last_report) {
685 int64_t cur_time;
686 /* display the report every 0.5 seconds */
687 cur_time = av_gettime();
688 if (last_time == -1) {
689 last_time = cur_time;
690 return;
691 }
692 if ((cur_time - last_time) < 500000)
693 return;
694 last_time = cur_time;
695 }
696
697
698 oc = output_files[0];
699
700 total_size = url_ftell(&oc->pb);
701
702 buf[0] = '\0';
703 ti1 = 1e10;
704 vid = 0;
705 for(i=0;i<nb_ostreams;i++) {
706 ost = ost_table[i];
707 os = output_files[ost->file_index];
708 enc = &ost->st->codec;
709 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
710 sprintf(buf + strlen(buf), "q=%2.1f ",
711 enc->coded_frame->quality);
712 }
713 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
714 frame_number = ost->frame_number;
715 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
716 frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
717 if (enc->flags&CODEC_FLAG_PSNR)
718 sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
719 vid = 1;
720 }
721 /* compute min output value */
722 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
723 if ((pts < ti1) && (pts > 0))
724 ti1 = pts;
725 }
726 if (ti1 < 0.01)
727 ti1 = 0.01;
728
729 if (verbose || is_last_report) {
730 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
731
732 sprintf(buf + strlen(buf),
733 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
734 (double)total_size / 1024, ti1, bitrate);
735
736 fprintf(stderr, "%s \r", buf);
737 fflush(stderr);
738 }
739
740 if (is_last_report)
741 fprintf(stderr, "\n");
742 }
743
744 /*
745 * The following code is the main loop of the file converter
746 */
747 static int av_encode(AVFormatContext **output_files,
748 int nb_output_files,
749 AVFormatContext **input_files,
750 int nb_input_files,
751 AVStreamMap *stream_maps, int nb_stream_maps)
752 {
753 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
754 AVFormatContext *is, *os;
755 AVCodecContext *codec, *icodec;
756 AVOutputStream *ost, **ost_table = NULL;
757 AVInputStream *ist, **ist_table = NULL;
758 AVInputFile *file_table;
759 AVFormatContext *stream_no_data;
760 int key;
761
762 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
763 if (!file_table)
764 goto fail;
765
766 /* input stream init */
767 j = 0;
768 for(i=0;i<nb_input_files;i++) {
769 is = input_files[i];
770 file_table[i].ist_index = j;
771 file_table[i].nb_streams = is->nb_streams;
772 j += is->nb_streams;
773 }
774 nb_istreams = j;
775
776 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
777 if (!ist_table)
778 goto fail;
779
780 for(i=0;i<nb_istreams;i++) {
781 ist = av_mallocz(sizeof(AVInputStream));
782 if (!ist)
783 goto fail;
784 ist_table[i] = ist;
785 }
786 j = 0;
787 for(i=0;i<nb_input_files;i++) {
788 is = input_files[i];
789 for(k=0;k<is->nb_streams;k++) {
790 ist = ist_table[j++];
791 ist->st = is->streams[k];
792 ist->file_index = i;
793 ist->index = k;
794 ist->discard = 1; /* the stream is discarded by default
795 (changed later) */
796
797 if (ist->st->codec.rate_emu) {
798 ist->start = av_gettime();
799 ist->frame = 0;
800 }
801 }
802 }
803
804 /* output stream init */
805 nb_ostreams = 0;
806 for(i=0;i<nb_output_files;i++) {
807 os = output_files[i];
808 nb_ostreams += os->nb_streams;
809 }
810 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
811 fprintf(stderr, "Number of stream maps must match number of output streams\n");
812 exit(1);
813 }
814
815 /* Sanity check the mapping args -- do the input files & streams exist? */
816 for(i=0;i<nb_stream_maps;i++) {
817 int fi = stream_maps[i].file_index;
818 int si = stream_maps[i].stream_index;
819
820 if (fi < 0 || fi > nb_input_files - 1 ||
821 si < 0 || si > file_table[fi].nb_streams - 1) {
822 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
823 exit(1);
824 }
825 }
826
827 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
828 if (!ost_table)
829 goto fail;
830 for(i=0;i<nb_ostreams;i++) {
831 ost = av_mallocz(sizeof(AVOutputStream));
832 if (!ost)
833 goto fail;
834 ost_table[i] = ost;
835 }
836
837 n = 0;
838 for(k=0;k<nb_output_files;k++) {
839 os = output_files[k];
840 for(i=0;i<os->nb_streams;i++) {
841 int found;
842 ost = ost_table[n++];
843 ost->file_index = k;
844 ost->index = i;
845 ost->st = os->streams[i];
846 if (nb_stream_maps > 0) {
847 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
848 stream_maps[n-1].stream_index;
849
850 /* Sanity check that the stream types match */
851 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
852 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
853 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
854 ost->file_index, ost->index);
855 exit(1);
856 }
857
858 } else {
859 /* get corresponding input stream index : we select the first one with the right type */
860 found = 0;
861 for(j=0;j<nb_istreams;j++) {
862 ist = ist_table[j];
863 if (ist->discard &&
864 ist->st->codec.codec_type == ost->st->codec.codec_type) {
865 ost->source_index = j;
866 found = 1;
867 }
868 }
869
870 if (!found) {
871 /* try again and reuse existing stream */
872 for(j=0;j<nb_istreams;j++) {
873 ist = ist_table[j];
874 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
875 ost->source_index = j;
876 found = 1;
877 }
878 }
879 if (!found) {
880 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
881 ost->file_index, ost->index);
882 exit(1);
883 }
884 }
885 }
886 ist = ist_table[ost->source_index];
887 ist->discard = 0;
888 }
889 }
890
891 /* for each output stream, we compute the right encoding parameters */
892 for(i=0;i<nb_ostreams;i++) {
893 ost = ost_table[i];
894 ist = ist_table[ost->source_index];
895
896 codec = &ost->st->codec;
897 icodec = &ist->st->codec;
898
899 if (ost->st->stream_copy) {
900 /* if stream_copy is selected, no need to decode or encode */
901 codec->codec_id = icodec->codec_id;
902 codec->codec_type = icodec->codec_type;
903 codec->codec_tag = icodec->codec_tag;
904 codec->bit_rate = icodec->bit_rate;
905 switch(codec->codec_type) {
906 case CODEC_TYPE_AUDIO:
907 codec->sample_rate = icodec->sample_rate;
908 codec->channels = icodec->channels;
909 break;
910 case CODEC_TYPE_VIDEO:
911 codec->frame_rate = icodec->frame_rate;
912 codec->frame_rate_base = icodec->frame_rate_base;
913 codec->width = icodec->width;
914 codec->height = icodec->height;
915 break;
916 default:
917 av_abort();
918 }
919 } else {
920 switch(codec->codec_type) {
921 case CODEC_TYPE_AUDIO:
922 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
923 goto fail;
924
925 if (codec->channels == icodec->channels &&
926 codec->sample_rate == icodec->sample_rate) {
927 ost->audio_resample = 0;
928 } else {
929 if (codec->channels != icodec->channels &&
930 icodec->codec_id == CODEC_ID_AC3) {
931 /* Special case for 5:1 AC3 input */
932 /* and mono or stereo output */
933 /* Request specific number of channels */
934 icodec->channels = codec->channels;
935 if (codec->sample_rate == icodec->sample_rate)
936 ost->audio_resample = 0;
937 else {
938 ost->audio_resample = 1;
939 ost->resample = audio_resample_init(codec->channels, icodec->channels,
940 codec->sample_rate,
941 icodec->sample_rate);
942 if(!ost->resample)
943 {
944 printf("Can't resample. Aborting.\n");
945 av_abort();
946 }
947 }
948 /* Request specific number of channels */
949 icodec->channels = codec->channels;
950 } else {
951 ost->audio_resample = 1;
952 ost->resample = audio_resample_init(codec->channels, icodec->channels,
953 codec->sample_rate,
954 icodec->sample_rate);
955 if(!ost->resample)
956 {
957 printf("Can't resample. Aborting.\n");
958 av_abort();
959 }
960 }
961 }
962 ist->decoding_needed = 1;
963 ost->encoding_needed = 1;
964 break;
965 case CODEC_TYPE_VIDEO:
966 if (codec->width == icodec->width &&
967 codec->height == icodec->height &&
968 frame_topBand == 0 &&
969 frame_bottomBand == 0 &&
970 frame_leftBand == 0 &&
971 frame_rightBand == 0)
972 {
973 ost->video_resample = 0;
974 ost->video_crop = 0;
975 } else if ((codec->width == icodec->width -
976 (frame_leftBand + frame_rightBand)) &&
977 (codec->height == icodec->height -
978 (frame_topBand + frame_bottomBand)))
979 {
980 ost->video_resample = 0;
981 ost->video_crop = 1;
982 ost->topBand = frame_topBand;
983 ost->leftBand = frame_leftBand;
984 } else {
985 uint8_t *buf;
986 ost->video_resample = 1;
987 ost->video_crop = 0; // cropping is handled as part of resample
988 buf = av_malloc((codec->width * codec->height * 3) / 2);
989 if (!buf)
990 goto fail;
991 ost->pict_tmp.data[0] = buf;
992 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
993 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
994 ost->pict_tmp.linesize[0] = codec->width;
995 ost->pict_tmp.linesize[1] = codec->width / 2;
996 ost->pict_tmp.linesize[2] = codec->width / 2;
997
998 ost->img_resample_ctx = img_resample_full_init(
999 ost->st->codec.width, ost->st->codec.height,
1000 ist->st->codec.width, ist->st->codec.height,
1001 frame_topBand, frame_bottomBand,
1002 frame_leftBand, frame_rightBand);
1003 }
1004 ost->encoding_needed = 1;
1005 ist->decoding_needed = 1;
1006 break;
1007 default:
1008 av_abort();
1009 }
1010 /* two pass mode */
1011 if (ost->encoding_needed &&
1012 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1013 char logfilename[1024];
1014 FILE *f;
1015 int size;
1016 char *logbuffer;
1017
1018 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1019 pass_logfilename ?
1020 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1021 if (codec->flags & CODEC_FLAG_PASS1) {
1022 f = fopen(logfilename, "w");
1023 if (!f) {
1024 perror(logfilename);
1025 exit(1);
1026 }
1027 ost->logfile = f;
1028 } else {
1029 /* read the log file */
1030 f = fopen(logfilename, "r");
1031 if (!f) {
1032 perror(logfilename);
1033 exit(1);
1034 }
1035 fseek(f, 0, SEEK_END);
1036 size = ftell(f);
1037 fseek(f, 0, SEEK_SET);
1038 logbuffer = av_malloc(size + 1);
1039 if (!logbuffer) {
1040 fprintf(stderr, "Could not allocate log buffer\n");
1041 exit(1);
1042 }
1043 fread(logbuffer, 1, size, f);
1044 fclose(f);
1045 logbuffer[size] = '\0';
1046 codec->stats_in = logbuffer;
1047 }
1048 }
1049 }
1050 }
1051
1052 /* dump the file output parameters - cannot be done before in case
1053 of stream copy */
1054 for(i=0;i<nb_output_files;i++) {
1055 dump_format(output_files[i], i, output_files[i]->filename, 1);
1056 }
1057
1058 /* dump the stream mapping */
1059 fprintf(stderr, "Stream mapping:\n");
1060 for(i=0;i<nb_ostreams;i++) {
1061 ost = ost_table[i];
1062 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1063 ist_table[ost->source_index]->file_index,
1064 ist_table[ost->source_index]->index,
1065 ost->file_index,
1066 ost->index);
1067 }
1068
1069 /* open each encoder */
1070 for(i=0;i<nb_ostreams;i++) {
1071 ost = ost_table[i];
1072 if (ost->encoding_needed) {
1073 AVCodec *codec;
1074 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1075 if (!codec) {
1076 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1077 ost->file_index, ost->index);
1078 exit(1);
1079 }
1080 if (avcodec_open(&ost->st->codec, codec) < 0) {
1081 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1082 ost->file_index, ost->index);
1083 exit(1);
1084 }
1085 }
1086 }
1087
1088 /* open each decoder */
1089 for(i=0;i<nb_istreams;i++) {
1090 ist = ist_table[i];
1091 if (ist->decoding_needed) {
1092 AVCodec *codec;
1093 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1094 if (!codec) {
1095 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1096 ist->st->codec.codec_id, ist->file_index, ist->index);
1097 exit(1);
1098 }
1099 if (avcodec_open(&ist->st->codec, codec) < 0) {
1100 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1101 ist->file_index, ist->index);
1102 exit(1);
1103 }
1104 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1105 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1106 ist->frame_decoded = 1;
1107 }
1108 }
1109
1110 /* init pts */
1111 for(i=0;i<nb_istreams;i++) {
1112 ist = ist_table[i];
1113 is = input_files[ist->file_index];
1114 ist->pts = 0;
1115 switch (ist->st->codec.codec_type) {
1116 case CODEC_TYPE_AUDIO:
1117 av_frac_init(&ist->next_pts,
1118 0, 0, is->pts_num * ist->st->codec.sample_rate);
1119 break;
1120 case CODEC_TYPE_VIDEO:
1121 av_frac_init(&ist->next_pts,
1122 0, 0, is->pts_num * ist->st->codec.frame_rate);
1123 break;
1124 default:
1125 break;
1126 }
1127 }
1128
1129 /* compute buffer size max (should use a complete heuristic) */
1130 for(i=0;i<nb_input_files;i++) {
1131 file_table[i].buffer_size_max = 2048;
1132 }
1133
1134 /* open files and write file headers */
1135 for(i=0;i<nb_output_files;i++) {
1136 os = output_files[i];
1137 if (av_write_header(os) < 0) {
1138 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1139 ret = -EINVAL;
1140 goto fail;
1141 }
1142 }
1143
1144 #ifndef CONFIG_WIN32
1145 if ( !using_stdin )
1146 fprintf(stderr, "Press [q] to stop encoding\n");
1147 #endif
1148 term_init();
1149
1150 stream_no_data = 0;
1151 key = -1;
1152
1153 #ifndef CONFIG_WIN32
1154 for(; received_sigterm == 0;) {
1155 #else
1156 for(;;) {
1157 #endif
1158 int file_index, ist_index;
1159 AVPacket pkt;
1160 uint8_t *ptr;
1161 int len;
1162 uint8_t *data_buf;
1163 int data_size, got_picture;
1164 AVPicture picture;
1165 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1166 void *buffer_to_free;
1167 double pts_min;
1168
1169 redo:
1170 /* if 'q' pressed, exits */
1171 if (!using_stdin) {
1172 /* read_key() returns 0 on EOF */
1173 key = read_key();
1174 if (key == 'q')
1175 break;
1176 }
1177
1178 /* select the stream that we must read now by looking at the
1179 smallest output pts */
1180 file_index = -1;
1181 pts_min = 1e10;
1182 for(i=0;i<nb_ostreams;i++) {
1183 double pts;
1184 ost = ost_table[i];
1185 os = output_files[ost->file_index];
1186 ist = ist_table[ost->source_index];
1187 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1188 if (!file_table[ist->file_index].eof_reached &&
1189 pts < pts_min) {
1190 pts_min = pts;
1191 file_index = ist->file_index;
1192 }
1193 }
1194 /* if none, if is finished */
1195 if (file_index < 0) {
1196 break;
1197 }
1198
1199 /* finish if recording time exhausted */
1200 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1201 break;
1202
1203 /* read a packet from it and output it in the fifo */
1204 is = input_files[file_index];
1205 if (av_read_packet(is, &pkt) < 0) {
1206 file_table[file_index].eof_reached = 1;
1207 continue;
1208 }
1209 if (!pkt.size) {
1210 stream_no_data = is;
1211 } else {
1212 stream_no_data = 0;
1213 }
1214 if (do_hex_dump) {
1215 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1216 av_hex_dump(pkt.data, pkt.size);
1217 }
1218 /* the following test is needed in case new streams appear
1219 dynamically in stream : we ignore them */
1220 if (pkt.stream_index >= file_table[file_index].nb_streams)
1221 goto discard_packet;
1222 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1223 ist = ist_table[ist_index];
1224 if (ist->discard)
1225 goto discard_packet;
1226
1227 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1228
1229 len = pkt.size;
1230 ptr = pkt.data;
1231 while (len > 0) {
1232 /* decode the packet if needed */
1233 data_buf = NULL; /* fail safe */
1234 data_size = 0;
1235 if (ist->decoding_needed) {
1236 /* NOTE1: we only take into account the PTS if a new
1237 frame has begun (MPEG semantics) */
1238 /* NOTE2: even if the fraction is not initialized,
1239 av_frac_set can be used to set the integer part */
1240 if (ist->frame_decoded) {
1241 /* If pts is unavailable -- we have to use synthetic one */
1242 if( pkt.pts != AV_NOPTS_VALUE )
1243 {
1244 ist->pts = ist->next_pts.val = pkt.pts;
1245 }
1246 else
1247 {
1248 ist->pts = ist->next_pts.val;
1249 }
1250 ist->frame_decoded = 0;
1251 }
1252
1253 switch(ist->st->codec.codec_type) {
1254 case CODEC_TYPE_AUDIO:
1255 /* XXX: could avoid copy if PCM 16 bits with same
1256 endianness as CPU */
1257 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1258 ptr, len);
1259 if (ret < 0)
1260 goto fail_decode;
1261 /* Some bug in mpeg audio decoder gives */
1262 /* data_size < 0, it seems they are overflows */
1263 if (data_size <= 0) {
1264 /* no audio frame */
1265 ptr += ret;
1266 len -= ret;
1267 continue;
1268 }
1269 data_buf = (uint8_t *)samples;
1270 av_frac_add(&ist->next_pts,
1271 is->pts_den * data_size / (2 * ist->st->codec.channels));
1272 break;
1273 case CODEC_TYPE_VIDEO:
1274 {
1275 AVFrame big_picture;
1276
1277 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1278 ret = avcodec_decode_video(&ist->st->codec,
1279 &big_picture, &got_picture, ptr, len);
1280 picture= *(AVPicture*)&big_picture;
1281 ist->st->quality= big_picture.quality;
1282 if (ret < 0) {
1283 fail_decode:
1284 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1285 ist->file_index, ist->index);
1286 av_free_packet(&pkt);
1287 goto redo;
1288 }
1289 if (!got_picture) {
1290 /* no picture yet */
1291 ptr += ret;
1292 len -= ret;
1293 continue;
1294 }
1295 av_frac_add(&ist->next_pts,
1296 is->pts_den * ist->st->codec.frame_rate_base);
1297 }
1298 break;
1299 default:
1300 goto fail_decode;
1301 }
1302 } else {
1303 data_buf = ptr;
1304 data_size = len;
1305 ret = len;
1306 }
1307 ptr += ret;
1308 len -= ret;
1309
1310 buffer_to_free = 0;
1311 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1312 pre_process_video_frame(ist, &picture, &buffer_to_free);
1313 }
1314
1315 ist->frame_decoded = 1;
1316
1317 /* frame rate emulation */
1318 if (ist->st->codec.rate_emu) {
1319 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1320 int64_t now = av_gettime() - ist->start;
1321 if (pts > now)
1322 usleep(pts - now);
1323
1324 ist->frame++;
1325 }
1326
1327 #if 0
1328 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1329 is the one of the next displayed one */
1330 /* XXX: add mpeg4 too ? */
1331 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1332 if (ist->st->codec.pict_type != B_TYPE) {
1333 int64_t tmp;
1334 tmp = ist->last_ip_pts;
1335 ist->last_ip_pts = ist->frac_pts.val;
1336 ist->frac_pts.val = tmp;
1337 }
1338 }
1339 #endif
1340 /* transcode raw format, encode packets and output them */
1341
1342 for(i=0;i<nb_ostreams;i++) {
1343 int frame_size;
1344
1345 ost = ost_table[i];
1346 if (ost->source_index == ist_index) {
1347 os = output_files[ost->file_index];
1348
1349 #if 0
1350 printf("%d: got pts=%f %f\n", i, pkt.pts / 90000.0,
1351 (ist->pts - ost->st->pts.val) / 90000.0);
1352 #endif
1353 /* set the input output pts pairs */
1354 ost->sync_ipts = (double)ist->pts * is->pts_num /
1355 is->pts_den;
1356 /* XXX: take into account the various fifos,
1357 in particular for audio */
1358 ost->sync_opts = ost->st->pts.val;
1359 //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);
1360
1361 if (ost->encoding_needed) {
1362 switch(ost->st->codec.codec_type) {
1363 case CODEC_TYPE_AUDIO:
1364 do_audio_out(os, ost, ist, data_buf, data_size);
1365 break;
1366 case CODEC_TYPE_VIDEO:
1367 /* find an audio stream for synchro */
1368 {
1369 int i;
1370 AVOutputStream *audio_sync, *ost1;
1371 audio_sync = NULL;
1372 for(i=0;i<nb_ostreams;i++) {
1373 ost1 = ost_table[i];
1374 if (ost1->file_index == ost->file_index &&
1375 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1376 audio_sync = ost1;
1377 break;
1378 }
1379 }
1380
1381 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1382 if (do_vstats && frame_size)
1383 do_video_stats(os, ost, frame_size);
1384 }
1385 break;
1386 default:
1387 av_abort();
1388 }
1389 } else {
1390 AVFrame avframe;
1391
1392 /* no reencoding needed : output the packet directly */
1393 /* force the input stream PTS */
1394
1395 memset(&avframe, 0, sizeof(AVFrame));
1396 ost->st->codec.coded_frame= &avframe;
1397 avframe.key_frame = pkt.flags & PKT_FLAG_KEY;
1398
1399 av_write_frame(os, ost->index, data_buf, data_size);
1400 ost->st->codec.frame_number++;
1401 ost->frame_number++;
1402 }
1403 }
1404 }
1405 av_free(buffer_to_free);
1406 }
1407 discard_packet:
1408 av_free_packet(&pkt);
1409
1410 /* dump report by using the output first video and audio streams */
1411 print_report(output_files, ost_table, nb_ostreams, 0);
1412 }
1413 term_exit();
1414
1415 /* dump report by using the first video and audio streams */
1416 print_report(output_files, ost_table, nb_ostreams, 1);
1417
1418 /* close each encoder */
1419 for(i=0;i<nb_ostreams;i++) {
1420 ost = ost_table[i];
1421 if (ost->encoding_needed) {
1422 av_freep(&ost->st->codec.stats_in);
1423 avcodec_close(&ost->st->codec);
1424 }
1425 }
1426
1427 /* close each decoder */
1428 for(i=0;i<nb_istreams;i++) {
1429 ist = ist_table[i];
1430 if (ist->decoding_needed) {
1431 avcodec_close(&ist->st->codec);
1432 }
1433 }
1434
1435
1436 /* write the trailer if needed and close file */
1437 for(i=0;i<nb_output_files;i++) {
1438 os = output_files[i];
1439 av_write_trailer(os);
1440 }
1441 /* finished ! */
1442
1443 ret = 0;
1444 fail1:
1445 av_free(file_table);
1446
1447 if (ist_table) {
1448 for(i=0;i<nb_istreams;i++) {
1449 ist = ist_table[i];
1450 av_free(ist);
1451 }
1452 av_free(ist_table);
1453 }
1454 if (ost_table) {
1455 for(i=0;i<nb_ostreams;i++) {
1456 ost = ost_table[i];
1457 if (ost) {
1458 if (ost->logfile) {
1459 fclose(ost->logfile);
1460 ost->logfile = NULL;
1461 }
1462 fifo_free(&ost->fifo); /* works even if fifo is not
1463 initialized but set to zero */
1464 av_free(ost->pict_tmp.data[0]);
1465 if (ost->video_resample)
1466 img_resample_close(ost->img_resample_ctx);
1467 if (ost->audio_resample)
1468 audio_resample_close(ost->resample);
1469 av_free(ost);
1470 }
1471 }
1472 av_free(ost_table);
1473 }
1474 return ret;
1475 fail:
1476 ret = -ENOMEM;
1477 goto fail1;
1478 }
1479
1480 #if 0
1481 int file_read(const char *filename)
1482 {
1483 URLContext *h;
1484 unsigned char buffer[1024];
1485 int len, i;
1486
1487 if (url_open(&h, filename, O_RDONLY) < 0) {
1488 printf("could not open '%s'\n", filename);
1489 return -1;
1490 }
1491 for(;;) {
1492 len = url_read(h, buffer, sizeof(buffer));
1493 if (len <= 0)
1494 break;
1495 for(i=0;i<len;i++) putchar(buffer[i]);
1496 }
1497 url_close(h);
1498 return 0;
1499 }
1500 #endif
1501
1502 static void opt_image_format(const char *arg)
1503 {
1504 AVImageFormat *f;
1505
1506 for(f = first_image_format; f != NULL; f = f->next) {
1507 if (!strcmp(arg, f->name))
1508 break;
1509 }
1510 if (!f) {
1511 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1512 exit(1);
1513 }
1514 image_format = f;
1515 }
1516
1517 static void opt_format(const char *arg)
1518 {
1519 /* compatibility stuff for pgmyuv */
1520 if (!strcmp(arg, "pgmyuv")) {
1521 opt_image_format(arg);
1522 arg = "image";
1523 }
1524
1525 file_iformat = av_find_input_format(arg);
1526 file_oformat = guess_format(arg, NULL, NULL);
1527 if (!file_iformat && !file_oformat) {
1528 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1529 exit(1);
1530 }
1531 }
1532
1533 static void opt_video_bitrate(const char *arg)
1534 {
1535 video_bit_rate = atoi(arg) * 1000;
1536 }
1537
1538 static void opt_video_bitrate_tolerance(const char *arg)
1539 {
1540 video_bit_rate_tolerance = atoi(arg) * 1000;
1541 }
1542
1543 static void opt_video_bitrate_max(const char *arg)
1544 {
1545 video_rc_max_rate = atoi(arg) * 1000;
1546 }
1547
1548 static void opt_video_bitrate_min(const char *arg)
1549 {
1550 video_rc_min_rate = atoi(arg) * 1000;
1551 }
1552
1553 static void opt_video_buffer_size(const char *arg)
1554 {
1555 video_rc_buffer_size = atoi(arg) * 1000;
1556 }
1557
1558 static void opt_video_rc_eq(char *arg)
1559 {
1560 video_rc_eq = arg;
1561 }
1562
1563 static void opt_video_rc_override_string(char *arg)
1564 {
1565 video_rc_override_string = arg;
1566 }
1567
1568
1569 static void opt_workaround_bugs(const char *arg)
1570 {
1571 workaround_bugs = atoi(arg);
1572 }
1573
1574 static void opt_dct_algo(const char *arg)
1575 {
1576 dct_algo = atoi(arg);
1577 }
1578
1579 static void opt_idct_algo(const char *arg)
1580 {
1581 idct_algo = atoi(arg);
1582 }
1583
1584
1585 static void opt_error_resilience(const char *arg)
1586 {
1587 error_resilience = atoi(arg);
1588 }
1589
1590 static void opt_error_concealment(const char *arg)
1591 {
1592 error_concealment = atoi(arg);
1593 }
1594
1595 static void opt_debug(const char *arg)
1596 {
1597 debug = atoi(arg);
1598 }
1599
1600 static void opt_verbose(const char *arg)
1601 {
1602 verbose = atoi(arg);
1603 }
1604
1605 static void opt_frame_rate(const char *arg)
1606 {
1607 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1608 fprintf(stderr, "Incorrect frame rate\n");
1609 exit(1);
1610 }
1611 }
1612
1613 static void opt_frame_crop_top(const char *arg)
1614 {
1615 frame_topBand = atoi(arg);
1616 if (frame_topBand < 0) {
1617 fprintf(stderr, "Incorrect top crop size\n");
1618 exit(1);
1619 }
1620 if ((frame_topBand % 2) != 0) {
1621 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1622 exit(1);
1623 }
1624 if ((frame_topBand) >= frame_height){
1625 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1626 exit(1);
1627 }
1628 frame_height -= frame_topBand;
1629 }
1630
1631 static void opt_frame_crop_bottom(const char *arg)
1632 {
1633 frame_bottomBand = atoi(arg);
1634 if (frame_bottomBand < 0) {
1635 fprintf(stderr, "Incorrect bottom crop size\n");
1636 exit(1);
1637 }
1638 if ((frame_bottomBand % 2) != 0) {
1639 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1640 exit(1);
1641 }
1642 if ((frame_bottomBand) >= frame_height){
1643 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1644 exit(1);
1645 }
1646 frame_height -= frame_bottomBand;
1647 }
1648
1649 static void opt_frame_crop_left(const char *arg)
1650 {
1651 frame_leftBand = atoi(arg);
1652 if (frame_leftBand < 0) {
1653 fprintf(stderr, "Incorrect left crop size\n");
1654 exit(1);
1655 }
1656 if ((frame_leftBand % 2) != 0) {
1657 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1658 exit(1);
1659 }
1660 if ((frame_leftBand) >= frame_width){
1661 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1662 exit(1);
1663 }
1664 frame_width -= frame_leftBand;
1665 }
1666
1667 static void opt_frame_crop_right(const char *arg)
1668 {
1669 frame_rightBand = atoi(arg);
1670 if (frame_rightBand < 0) {
1671 fprintf(stderr, "Incorrect right crop size\n");
1672 exit(1);
1673 }
1674 if ((frame_rightBand % 2) != 0) {
1675 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1676 exit(1);
1677 }
1678 if ((frame_rightBand) >= frame_width){
1679 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1680 exit(1);
1681 }
1682 frame_width -= frame_rightBand;
1683 }
1684
1685 static void opt_frame_size(const char *arg)
1686 {
1687 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1688 fprintf(stderr, "Incorrect frame size\n");
1689 exit(1);
1690 }
1691 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1692 fprintf(stderr, "Frame size must be a multiple of 2\n");
1693 exit(1);
1694 }
1695 }
1696
1697 static void opt_frame_pix_fmt(const char *arg)
1698 {
1699 frame_pix_fmt = avcodec_get_pix_fmt(arg);
1700 }
1701
1702 static void opt_frame_aspect_ratio(const char *arg)
1703 {
1704 int x = 0, y = 0;
1705 double ar = 0;
1706 const char *p;
1707
1708 p = strchr(arg, ':');
1709 if (p) {
1710 x = strtol(arg, (char **)&arg, 10);
1711 if (arg == p)
1712 y = strtol(arg+1, (char **)&arg, 10);
1713 if (x > 0 && y > 0)
1714 ar = (double)x / (double)y;
1715 } else
1716 ar = strtod(arg, (char **)&arg);
1717
1718 if (!ar) {
1719 fprintf(stderr, "Incorrect aspect ratio specification.\n");
1720 exit(1);
1721 }
1722 frame_aspect_ratio = ar;
1723 }
1724
1725 static void opt_gop_size(const char *arg)
1726 {
1727 gop_size = atoi(arg);
1728 }
1729
1730 static void opt_b_frames(const char *arg)
1731 {
1732 b_frames = atoi(arg);
1733 if (b_frames > FF_MAX_B_FRAMES) {
1734 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1735 exit(1);
1736 } else if (b_frames < 1) {
1737 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1738 exit(1);
1739 }
1740 }
1741
1742 static void opt_mb_decision(const char *arg)
1743 {
1744 mb_decision = atoi(arg);
1745 }
1746
1747 static void opt_qscale(const char *arg)
1748 {
1749 video_qscale = atoi(arg);
1750 if (video_qscale < 0 ||
1751 video_qscale > 31) {
1752 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1753 exit(1);
1754 }
1755 }
1756
1757 static void opt_qmin(const char *arg)
1758 {
1759 video_qmin = atoi(arg);
1760 if (video_qmin < 0 ||
1761 video_qmin > 31) {
1762 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1763 exit(1);
1764 }
1765 }
1766
1767 static void opt_qmax(const char *arg)
1768 {
1769 video_qmax = atoi(arg);
1770 if (video_qmax < 0 ||
1771 video_qmax > 31) {
1772 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1773 exit(1);
1774 }
1775 }
1776
1777 static void opt_mb_qmin(const char *arg)
1778 {
1779 video_mb_qmin = atoi(arg);
1780 if (video_mb_qmin < 0 ||
1781 video_mb_qmin > 31) {
1782 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1783 exit(1);
1784 }
1785 }
1786
1787 static void opt_mb_qmax(const char *arg)
1788 {
1789 video_mb_qmax = atoi(arg);
1790 if (video_mb_qmax < 0 ||
1791 video_mb_qmax > 31) {
1792 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1793 exit(1);
1794 }
1795 }
1796
1797 static void opt_qdiff(const char *arg)
1798 {
1799 video_qdiff = atoi(arg);
1800 if (video_qdiff < 0 ||
1801 video_qdiff > 31) {
1802 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1803 exit(1);
1804 }
1805 }
1806
1807 static void opt_qblur(const char *arg)
1808 {
1809 video_qblur = atof(arg);
1810 }
1811
1812 static void opt_qcomp(const char *arg)
1813 {
1814 video_qcomp = atof(arg);
1815 }
1816
1817 static void opt_rc_initial_cplx(const char *arg)
1818 {
1819 video_rc_initial_cplx = atof(arg);
1820 }
1821 static void opt_b_qfactor(const char *arg)
1822 {
1823 video_b_qfactor = atof(arg);
1824 }
1825 static void opt_i_qfactor(const char *arg)
1826 {
1827 video_i_qfactor = atof(arg);
1828 }
1829 static void opt_b_qoffset(const char *arg)
1830 {
1831 video_b_qoffset = atof(arg);
1832 }
1833 static void opt_i_qoffset(const char *arg)
1834 {
1835 video_i_qoffset = atof(arg);
1836 }
1837
1838 static void opt_packet_size(const char *arg)
1839 {
1840 packet_size= atoi(arg);
1841 }
1842
1843 static void opt_strict(const char *arg)
1844 {
1845 strict= atoi(arg);
1846 }
1847
1848 static void opt_audio_bitrate(const char *arg)
1849 {
1850 audio_bit_rate = atoi(arg) * 1000;
1851 }
1852
1853 static void opt_audio_rate(const char *arg)
1854 {
1855 audio_sample_rate = atoi(arg);
1856 }
1857
1858 static void opt_audio_channels(const char *arg)
1859 {
1860 audio_channels = atoi(arg);
1861 }
1862
1863 static void opt_video_device(const char *arg)
1864 {
1865 video_device = av_strdup(arg);
1866 }
1867
1868 static void opt_video_channel(const char *arg)
1869 {
1870 video_channel = strtol(arg, NULL, 0);
1871 }
1872
1873 static void opt_video_standard(const char *arg)
1874 {
1875 video_standard = av_strdup(arg);
1876 }
1877
1878 static void opt_audio_device(const char *arg)
1879 {
1880 audio_device = av_strdup(arg);
1881 }
1882
1883 static void opt_dv1394(const char *arg)
1884 {
1885 video_grab_format = "dv1394";
1886 audio_grab_format = NULL;
1887 }
1888
1889 static void opt_audio_codec(const char *arg)
1890 {
1891 AVCodec *p;
1892
1893 if (!strcmp(arg, "copy")) {
1894 audio_stream_copy = 1;
1895 } else {
1896 p = first_avcodec;
1897 while (p) {
1898 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1899 break;
1900 p = p->next;
1901 }
1902 if (p == NULL) {
1903 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1904 exit(1);
1905 } else {
1906 audio_codec_id = p->id;
1907 }
1908 }
1909 }
1910
1911 static void add_frame_hooker(const char *arg)
1912 {
1913 int argc = 0;
1914 char *argv[64];
1915 int i;
1916 char *args = av_strdup(arg);
1917
1918 argv[0] = strtok(args, " ");
1919 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1920 }
1921
1922 i = frame_hook_add(argc, argv);
1923
1924 if (i != 0) {
1925 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1926 exit(1);
1927 }
1928 }
1929
1930 const char *motion_str[] = {
1931 "zero",
1932 "full",
1933 "log",
1934 "phods",
1935 "epzs",
1936 "x1",
1937 NULL,
1938 };
1939
1940 static void opt_motion_estimation(const char *arg)
1941 {
1942 const char **p;
1943 p = motion_str;
1944 for(;;) {
1945 if (!*p) {
1946 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1947 exit(1);
1948 }
1949 if (!strcmp(*p, arg))
1950 break;
1951 p++;
1952 }
1953 me_method = (p - motion_str) + 1;
1954 }
1955
1956 static void opt_video_codec(const char *arg)
1957 {
1958 AVCodec *p;
1959
1960 if (!strcmp(arg, "copy")) {
1961 video_stream_copy = 1;
1962 } else {
1963 p = first_avcodec;
1964 while (p) {
1965 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1966 break;
1967 p = p->next;
1968 }
1969 if (p == NULL) {
1970 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1971 exit(1);
1972 } else {
1973 video_codec_id = p->id;
1974 }
1975 }
1976 }
1977
1978 static void opt_map(const char *arg)
1979 {
1980 AVStreamMap *m;
1981 const char *p;
1982
1983 p = arg;
1984 m = &stream_maps[nb_stream_maps++];
1985
1986 m->file_index = strtol(arg, (char **)&p, 0);
1987 if (*p)
1988 p++;
1989
1990 m->stream_index = strtol(p, (char **)&p, 0);
1991 }
1992
1993 static void opt_recording_time(const char *arg)
1994 {
1995 recording_time = parse_date(arg, 1);
1996 }
1997
1998 static void opt_input_file(const char *filename)
1999 {
2000 AVFormatContext *ic;
2001 AVFormatParameters params, *ap = &params;
2002 int err, i, ret, rfps, rfps_base;
2003
2004 if (!strcmp(filename, "-"))
2005 filename = "pipe:";
2006
2007 using_stdin |= !strcmp(filename, "pipe:" ) ||
2008 !strcmp( filename, "/dev/stdin" );
2009
2010 /* get default parameters from command line */
2011 memset(ap, 0, sizeof(*ap));
2012 ap->sample_rate = audio_sample_rate;
2013 ap->channels = audio_channels;
2014 ap->frame_rate = frame_rate;
2015 ap->frame_rate_base = frame_rate_base;
2016 ap->width = frame_width;
2017 ap->height = frame_height;
2018 ap->image_format = image_format;
2019 ap->pix_fmt = frame_pix_fmt;
2020
2021 /* open the input file with generic libav function */
2022 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2023 if (err < 0) {
2024 print_error(filename, err);
2025 exit(1);
2026 }
2027
2028 /* If not enough info to get the stream parameters, we decode the
2029 first frames to get it. (used in mpeg case for example) */
2030 ret = av_find_stream_info(ic);
2031 if (ret < 0) {
2032 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2033 exit(1);
2034 }
2035
2036 /* update the current parameters so that they match the one of the input stream */
2037 for(i=0;i<ic->nb_streams;i++) {
2038 AVCodecContext *enc = &ic->streams[i]->codec;
2039 switch(enc->codec_type) {
2040 case CODEC_TYPE_AUDIO:
2041 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2042 audio_channels = enc->channels;
2043 audio_sample_rate = enc->sample_rate;
2044 break;
2045 case CODEC_TYPE_VIDEO:
2046 frame_height = enc->height;
2047 frame_width = enc->width;
2048 frame_aspect_ratio = enc->aspect_ratio;
2049 frame_pix_fmt = enc->pix_fmt;
2050 rfps = ic->streams[i]->r_frame_rate;
2051 rfps_base = ic->streams[i]->r_frame_rate_base;
2052 enc->workaround_bugs = workaround_bugs;
2053 enc->error_resilience = error_resilience;
2054 enc->error_concealment = error_concealment;
2055 enc->idct_algo= idct_algo;
2056 enc->debug= debug;
2057 /* if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2058 enc->flags|= CODEC_FLAG_TRUNCATED; */
2059 if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO || enc->codec_id==CODEC_ID_H264)
2060 enc->flags|= CODEC_FLAG_TRUNCATED;
2061
2062 if(bitexact)
2063 enc->flags|= CODEC_FLAG_BITEXACT;
2064
2065 assert(enc->frame_rate_base == rfps_base); // should be true for now
2066 if (enc->frame_rate != rfps) {
2067 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2068 i, (float)enc->frame_rate / enc->frame_rate_base,
2069 (float)rfps / rfps_base);
2070 }
2071 /* update the current frame rate to match the stream frame rate */
2072 frame_rate = rfps;
2073 frame_rate_base = rfps_base;
2074
2075 enc->rate_emu = rate_emu;
2076 break;
2077 default:
2078 av_abort();
2079 }
2080 }
2081
2082 input_files[nb_input_files] = ic;
2083 /* dump the file content */
2084 dump_format(ic, nb_input_files, filename, 0);
2085 nb_input_files++;
2086 file_iformat = NULL;
2087 file_oformat = NULL;
2088 image_format = NULL;
2089
2090 rate_emu = 0;
2091 }
2092
2093 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2094 {
2095 int has_video, has_audio, i, j;
2096 AVFormatContext *ic;
2097
2098 has_video = 0;
2099 has_audio = 0;
2100 for(j=0;j<nb_input_files;j++) {
2101 ic = input_files[j];
2102 for(i=0;i<ic->nb_streams;i++) {
2103 AVCodecContext *enc = &ic->streams[i]->codec;
2104 switch(enc->codec_type) {
2105 case CODEC_TYPE_AUDIO:
2106 has_audio = 1;
2107 break;
2108 case CODEC_TYPE_VIDEO:
2109 has_video = 1;
2110 break;
2111 default:
2112 av_abort();
2113 }
2114 }
2115 }
2116 *has_video_ptr = has_video;
2117 *has_audio_ptr = has_audio;
2118 }
2119
2120 static void opt_output_file(const char *filename)
2121 {
2122 AVStream *st;
2123 AVFormatContext *oc;
2124 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2125 int codec_id;
2126 AVFormatParameters params, *ap = &params;
2127
2128 if (!strcmp(filename, "-"))
2129 filename = "pipe:";
2130
2131 oc = av_mallocz(sizeof(AVFormatContext));
2132
2133 if (!file_oformat) {
2134 file_oformat = guess_format(NULL, filename, NULL);
2135 if (!file_oformat) {
2136 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2137 filename);
2138 exit(1);
2139 }
2140 }
2141
2142 oc->oformat = file_oformat;
2143
2144 if (!strcmp(file_oformat->name, "ffm") &&
2145 strstart(filename, "http:", NULL)) {
2146 /* special case for files sent to ffserver: we get the stream
2147 parameters from ffserver */
2148 if (read_ffserver_streams(oc, filename) < 0) {
2149 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2150 exit(1);
2151 }
2152 } else {
2153 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2154 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2155
2156 /* disable if no corresponding type found and at least one
2157 input file */
2158 if (nb_input_files > 0) {
2159 check_audio_video_inputs(&input_has_video, &input_has_audio);
2160 if (!input_has_video)
2161 use_video = 0;
2162 if (!input_has_audio)
2163 use_audio = 0;
2164 }
2165
2166 /* manual disable */
2167 if (audio_disable) {
2168 use_audio = 0;
2169 }
2170 if (video_disable) {
2171 use_video = 0;
2172 }
2173
2174 nb_streams = 0;
2175 if (use_video) {
2176 AVCodecContext *video_enc;
2177
2178 st = av_mallocz(sizeof(AVStream));
2179 if (!st) {
2180 fprintf(stderr, "Could not alloc stream\n");
2181 exit(1);
2182 }
2183 avcodec_get_context_defaults(&st->codec);
2184
2185 video_enc = &st->codec;
2186 if (video_stream_copy) {
2187 st->stream_copy = 1;
2188 video_enc->codec_type = CODEC_TYPE_VIDEO;
2189 } else {
2190 char *p;
2191 int i;
2192
2193 codec_id = file_oformat->video_codec;
2194 if (video_codec_id != CODEC_ID_NONE)
2195 codec_id = video_codec_id;
2196
2197 video_enc->codec_id = codec_id;
2198
2199 video_enc->bit_rate = video_bit_rate;
2200 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2201 video_enc->frame_rate = frame_rate;
2202 video_enc->frame_rate_base = frame_rate_base;
2203
2204 video_enc->width = frame_width;
2205 video_enc->height = frame_height;
2206 video_enc->aspect_ratio = frame_aspect_ratio;
2207 video_enc->pix_fmt = frame_pix_fmt;
2208
2209 if (!intra_only)
2210 video_enc->gop_size = gop_size;
2211 else
2212 video_enc->gop_size = 0;
2213 if (video_qscale || same_quality) {
2214 video_enc->flags |= CODEC_FLAG_QSCALE;
2215 st->quality = video_qscale;
2216 }
2217
2218 if(bitexact)
2219 video_enc->flags |= CODEC_FLAG_BITEXACT;
2220
2221 video_enc->mb_decision = mb_decision;
2222
2223 if (use_umv) {
2224 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2225 }
2226 if (use_aic) {
2227 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2228 }
2229 if (use_4mv) {
2230 video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
2231 video_enc->flags |= CODEC_FLAG_4MV;
2232 }
2233
2234 if(use_part)
2235 video_enc->flags |= CODEC_FLAG_PART;
2236
2237
2238 if (b_frames) {
2239 video_enc->max_b_frames = b_frames;
2240 video_enc->b_frame_strategy = 0;
2241 video_enc->b_quant_factor = 2.0;
2242 }
2243
2244 video_enc->qmin = video_qmin;
2245 video_enc->qmax = video_qmax;
2246 video_enc->mb_qmin = video_mb_qmin;
2247 video_enc->mb_qmax = video_mb_qmax;
2248 video_enc->max_qdiff = video_qdiff;
2249 video_enc->qblur = video_qblur;
2250 video_enc->qcompress = video_qcomp;
2251 video_enc->rc_eq = video_rc_eq;
2252 video_enc->debug= debug;
2253
2254 p= video_rc_override_string;
2255 for(i=0; p; i++){
2256 int start, end, q;
2257 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2258 if(e!=3){
2259 fprintf(stderr, "error parsing rc_override\n");
2260 exit(1);
2261 }
2262 video_enc->rc_override=
2263 av_realloc(video_enc->rc_override,
2264 sizeof(RcOverride)*(i+1));
2265 video_enc->rc_override[i].start_frame= start;
2266 video_enc->rc_override[i].end_frame = end;
2267 if(q>0){
2268 video_enc->rc_override[i].qscale= q;
2269 video_enc->rc_override[i].quality_factor= 1.0;
2270 }
2271 else{
2272 video_enc->rc_override[i].qscale= 0;
2273 video_enc->rc_override[i].quality_factor= -q/100.0;
2274 }
2275 p= strchr(p, '/');
2276 if(p) p++;
2277 }
2278 video_enc->rc_override_count=i;
2279
2280 video_enc->rc_max_rate = video_rc_max_rate;
2281 video_enc->rc_min_rate = video_rc_min_rate;
2282 video_enc->rc_buffer_size = video_rc_buffer_size;
2283 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2284 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2285 video_enc->i_quant_factor = video_i_qfactor;
2286 video_enc->b_quant_factor = video_b_qfactor;
2287 video_enc->i_quant_offset = video_i_qoffset;
2288 video_enc->b_quant_offset = video_b_qoffset;
2289 video_enc->dct_algo = dct_algo;
2290 video_enc->idct_algo = idct_algo;
2291 video_enc->strict_std_compliance = strict;
2292 if(packet_size){
2293 video_enc->rtp_mode= 1;
2294 video_enc->rtp_payload_size= packet_size;
2295 }
2296
2297 if (do_psnr)
2298 video_enc->flags|= CODEC_FLAG_PSNR;
2299
2300 video_enc->me_method = me_method;
2301
2302 /* two pass mode */
2303 if (do_pass) {
2304 if (do_pass == 1) {
2305 video_enc->flags |= CODEC_FLAG_PASS1;
2306 } else {
2307 video_enc->flags |= CODEC_FLAG_PASS2;
2308 }
2309 }
2310 }
2311 oc->streams[nb_streams] = st;
2312 nb_streams++;
2313 }
2314
2315 if (use_audio) {
2316 AVCodecContext *audio_enc;
2317
2318 st = av_mallocz(sizeof(AVStream));
2319 if (!st) {
2320 fprintf(stderr, "Could not alloc stream\n");
2321 exit(1);
2322 }
2323 avcodec_get_context_defaults(&st->codec);
2324
2325 audio_enc = &st->codec;
2326 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2327 if (audio_stream_copy) {
2328 st->stream_copy = 1;
2329 } else {
2330 codec_id = file_oformat->audio_codec;
2331 if (audio_codec_id != CODEC_ID_NONE)
2332 codec_id = audio_codec_id;
2333 audio_enc->codec_id = codec_id;
2334
2335 audio_enc->bit_rate = audio_bit_rate;
2336 audio_enc->sample_rate = audio_sample_rate;
2337 /* For audio codecs other than AC3 we limit */
2338 /* the number of coded channels to stereo */
2339 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2340 audio_enc->channels = 2;
2341 } else
2342 audio_enc->channels = audio_channels;
2343 }
2344 oc->streams[nb_streams] = st;
2345 nb_streams++;
2346 }
2347
2348 oc->nb_streams = nb_streams;
2349
2350 if (!nb_streams) {
2351 fprintf(stderr, "No audio or video streams available\n");
2352 exit(1);
2353 }
2354
2355 if (str_title)
2356 pstrcpy(oc->title, sizeof(oc->title), str_title);
2357 if (str_author)
2358 pstrcpy(oc->author, sizeof(oc->author), str_author);
2359 if (str_copyright)
2360 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2361 if (str_comment)
2362 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2363 }
2364
2365 output_files[nb_output_files++] = oc;
2366
2367 strcpy(oc->filename, filename);
2368
2369 /* check filename in case of an image number is expected */
2370 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2371 if (filename_number_test(oc->filename) < 0) {
2372 print_error(oc->filename, AVERROR_NUMEXPECTED);
2373 exit(1);
2374 }
2375 }
2376
2377 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2378 /* test if it already exists to avoid loosing precious files */
2379 if (!file_overwrite &&
2380 (strchr(filename, ':') == NULL ||
2381 strstart(filename, "file:", NULL))) {
2382 if (url_exist(filename)) {
2383 int c;
2384
2385 if ( !using_stdin ) {
2386 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2387 fflush(stderr);
2388 c = getchar();
2389 if (toupper(c) != 'Y') {
2390 fprintf(stderr, "Not overwriting - exiting\n");
2391 exit(1);
2392 }
2393 }
2394 else {
2395 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2396 exit(1);
2397 }
2398 }
2399 }
2400
2401 /* open the file */
2402 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2403 fprintf(stderr, "Could not open '%s'\n", filename);
2404 exit(1);
2405 }
2406 }
2407
2408 memset(ap, 0, sizeof(*ap));
2409 ap->image_format = image_format;
2410 if (av_set_parameters(oc, ap) < 0) {
2411 fprintf(stderr, "%s: Invalid encoding parameters\n",
2412 oc->filename);
2413 exit(1);
2414 }
2415
2416 /* reset some options */
2417 file_oformat = NULL;
2418 file_iformat = NULL;
2419 image_format = NULL;
2420 audio_disable = 0;
2421 video_disable = 0;
2422 audio_codec_id = CODEC_ID_NONE;
2423 video_codec_id = CODEC_ID_NONE;
2424 audio_stream_copy = 0;
2425 video_stream_copy = 0;
2426 }
2427
2428 /* prepare dummy protocols for grab */
2429 static void prepare_grab(void)
2430 {
2431 int has_video, has_audio, i, j;
2432 AVFormatContext *oc;
2433 AVFormatContext *ic;
2434 AVFormatParameters vp1, *vp = &vp1;
2435 AVFormatParameters ap1, *ap = &ap1;
2436
2437 /* see if audio/video inputs are needed */
2438 has_video = 0;
2439 has_audio = 0;
2440 memset(ap, 0, sizeof(*ap));
2441 memset(vp, 0, sizeof(*vp));
2442 for(j=0;j<nb_output_files;j++) {
2443 oc = output_files[j];
2444 for(i=0;i<oc->nb_streams;i++) {
2445 AVCodecContext *enc = &oc->streams[i]->codec;
2446 switch(enc->codec_type) {
2447 case CODEC_TYPE_AUDIO:
2448 if (enc->sample_rate > ap->sample_rate)
2449 ap->sample_rate = enc->sample_rate;
2450 if (enc->channels > ap->channels)
2451 ap->channels = enc->channels;
2452 has_audio = 1;
2453 break;
2454 case CODEC_TYPE_VIDEO:
2455 if (enc->width > vp->width)
2456 vp->width = enc->width;
2457 if (enc->height > vp->height)
2458 vp->height = enc->height;
2459
2460 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2461 if (enc->frame_rate > vp->frame_rate){
2462 vp->frame_rate = enc->frame_rate;
2463 vp->frame_rate_base = enc->frame_rate_base;
2464 }
2465 has_video = 1;
2466 break;
2467 default:
2468 av_abort();
2469 }
2470 }
2471 }
2472
2473 if (has_video == 0 && has_audio == 0) {
2474 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2475 exit(1);
2476 }
2477
2478 if (has_video) {
2479 AVInputFormat *fmt1;
2480 fmt1 = av_find_input_format(video_grab_format);
2481 vp->device = video_device;
2482 vp->channel = video_channel;
2483 vp->standard = video_standard;
2484 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2485 fprintf(stderr, "Could not find video grab device\n");
2486 exit(1);
2487 }
2488 /* by now video grab has one stream */
2489 ic->streams[0]->r_frame_rate = vp->frame_rate;
2490 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2491 input_files[nb_input_files] = ic;
2492 dump_format(ic, nb_input_files, "", 0);
2493 nb_input_files++;
2494 }
2495 if (has_audio && audio_grab_format) {
2496 AVInputFormat *fmt1;
2497 fmt1 = av_find_input_format(audio_grab_format);
2498 ap->device = audio_device;
2499 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2500 fprintf(stderr, "Could not find audio grab device\n");
2501 exit(1);
2502 }
2503 input_files[nb_input_files] = ic;
2504 dump_format(ic, nb_input_files, "", 0);
2505 nb_input_files++;
2506 }
2507 }
2508
2509 /* same option as mencoder */
2510 static void opt_pass(const char *pass_str)
2511 {
2512 int pass;
2513 pass = atoi(pass_str);
2514 if (pass != 1 && pass != 2) {
2515 fprintf(stderr, "pass number can be only 1 or 2\n");
2516 exit(1);
2517 }
2518 do_pass = pass;
2519 }
2520
2521 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2522 static int64_t getutime(void)
2523 {
2524 return av_gettime();
2525 }
2526 #else
2527 static int64_t getutime(void)
2528 {
2529 struct rusage rusage;
2530
2531 getrusage(RUSAGE_SELF, &rusage);
2532 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2533 }
2534 #endif
2535
2536 extern int ffm_nopts;
2537
2538 static void opt_bitexact(void)
2539 {
2540 bitexact=1;
2541 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2542 ffm_nopts = 1;
2543 }
2544
2545 static void show_formats(void)
2546 {
2547 AVInputFormat *ifmt;
2548 AVOutputFormat *ofmt;
2549 AVImageFormat *image_fmt;
2550 URLProtocol *up;
2551 AVCodec *p;
2552 const char **pp;
2553
2554 printf("Output audio/video file formats:");
2555 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2556 printf(" %s", ofmt->name);
2557 }
2558 printf("\n");
2559
2560 printf("Input audio/video file formats:");
2561 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2562 printf(" %s", ifmt->name);
2563 }
2564 printf("\n");
2565
2566 printf("Output image formats:");
2567 for(image_fmt = first_image_format; image_fmt != NULL;
2568 image_fmt = image_fmt->next) {
2569 if (image_fmt->img_write)
2570 printf(" %s", image_fmt->name);
2571 }
2572 printf("\n");
2573
2574 printf("Input image formats:");
2575 for(image_fmt = first_image_format; image_fmt != NULL;
2576 image_fmt = image_fmt->next) {
2577 if (image_fmt->img_read)
2578 printf(" %s", image_fmt->name);
2579 }
2580 printf("\n");
2581
2582 printf("Codecs:\n");
2583 printf(" Encoders:");
2584 for(p = first_avcodec; p != NULL; p = p->next) {
2585 if (p->encode)
2586 printf(" %s", p->name);
2587 }
2588 printf("\n");
2589
2590 printf(" Decoders:");
2591 for(p = first_avcodec; p != NULL; p = p->next) {
2592 if (p->decode)
2593 printf(" %s", p->name);
2594 }
2595 printf("\n");
2596
2597 printf("Supported file protocols:");
2598 for(up = first_protocol; up != NULL; up = up->next)
2599 printf(" %s:", up->name);
2600 printf("\n");
2601
2602 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2603 printf("Motion estimation methods:");
2604 pp = motion_str;
2605 while (*pp) {
2606 printf(" %s", *pp);
2607 if ((pp - motion_str + 1) == ME_ZERO)
2608 printf("(fastest)");
2609 else if ((pp - motion_str + 1) == ME_FULL)
2610 printf("(slowest)");
2611 else if ((pp - motion_str + 1) == ME_EPZS)
2612 printf("(default)");
2613 pp++;
2614 }
2615 printf("\n");
2616 exit(1);
2617 }
2618
2619 const OptionDef options[] = {
2620 /* main options */
2621 { "L", 0, {(void*)show_license}, "show license" },
2622 { "h", 0, {(void*)show_help}, "show help" },
2623 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2624 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2625 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2626 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2627 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2628 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2629 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2630 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2631 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2632 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2633 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2634 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2635 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2636 "add timings for benchmarking" },
2637 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2638 "dump each input packet" },
2639 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2640 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2641 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2642 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2643
2644 /* video options */
2645 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2646 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2647 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2648 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2649 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2650 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2651 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2652 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2653 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2654 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2655 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2656 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2657 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2658 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2659 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2660 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2661 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2662 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2663 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2664 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2665 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2666 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2667 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2668 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2669 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2670 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2671 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2672 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2673 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2674 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2675 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2676 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2677 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2678 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
2679 "method" },
2680 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
2681 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
2682 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
2683 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
2684 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
2685 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
2686 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
2687 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2688 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2689 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2690 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
2691 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
2692 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
2693 "use same video quality as source (implies VBR)" },
2694 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2695 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2696 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
2697 "deinterlace pictures" },
2698 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2699 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
2700 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
2701 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
2702 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
2703
2704 /* audio options */
2705 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2706 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2707 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2708 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
2709 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2710
2711 /* grab options */
2712 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
2713 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2714 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
2715 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2716 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
2717 { NULL, },
2718 };
2719
2720 static void show_banner(void)
2721 {
2722 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
2723 }
2724
2725 static void show_license(void)
2726 {
2727 show_banner();
2728 printf(
2729 "This library is free software; you can redistribute it and/or\n"
2730 "modify it under the terms of the GNU Lesser General Public\n"
2731 "License as published by the Free Software Foundation; either\n"
2732 "version 2 of the License, or (at your option) any later version.\n"
2733 "\n"
2734 "This library is distributed in the hope that it will be useful,\n"
2735 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
2736 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
2737 "Lesser General Public License for more details.\n"
2738 "\n"
2739 "You should have received a copy of the GNU Lesser General Public\n"
2740 "License along with this library; if not, write to the Free Software\n"
2741 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
2742 );
2743 exit(1);
2744 }
2745
2746 static void show_help(void)
2747 {
2748 show_banner();
2749 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2750 "Hyper fast Audio and Video encoder\n");
2751 printf("\n");
2752 show_help_options(options, "Main options:\n",
2753 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
2754 show_help_options(options, "\nVideo options:\n",
2755 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2756 OPT_VIDEO);
2757 show_help_options(options, "\nAdvanced Video options:\n",
2758 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2759 OPT_VIDEO | OPT_EXPERT);
2760 show_help_options(options, "\nAudio options:\n",
2761 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2762 OPT_AUDIO);
2763 show_help_options(options, "\nAdvanced Audio options:\n",
2764 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2765 OPT_AUDIO | OPT_EXPERT);
2766 show_help_options(options, "\nAudio/Video grab options:\n",
2767 OPT_GRAB,
2768 OPT_GRAB);
2769 show_help_options(options, "\nAdvanced options:\n",
2770 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2771 OPT_EXPERT);
2772 exit(1);
2773 }
2774
2775 void parse_arg_file(const char *filename)
2776 {
2777 opt_output_file(filename);
2778 }
2779
2780 int main(int argc, char **argv)
2781 {
2782 int i;
2783 int64_t ti;
2784
2785 av_register_all();
2786
2787 if (argc <= 1)
2788 show_help();
2789
2790 /* parse options */
2791 parse_options(argc, argv, options);
2792
2793 /* file converter / grab */
2794 if (nb_output_files <= 0) {
2795 fprintf(stderr, "Must supply at least one output file\n");
2796 exit(1);
2797 }
2798
2799 if (nb_input_files == 0) {
2800 prepare_grab();
2801 }
2802
2803 ti = getutime();
2804 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2805 stream_maps, nb_stream_maps);
2806 ti = getutime() - ti;
2807 if (do_benchmark) {
2808 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2809 }
2810
2811 /* close files */
2812 for(i=0;i<nb_output_files;i++) {
2813 /* maybe av_close_output_file ??? */
2814 AVFormatContext *s = output_files[i];
2815 int j;
2816 if (!(s->oformat->flags & AVFMT_NOFILE))
2817 url_fclose(&s->pb);
2818 for(j=0;j<s->nb_streams;j++)
2819 av_free(s->streams[j]);
2820 av_free(s);
2821 }
2822 for(i=0;i<nb_input_files;i++)
2823 av_close_input_file(input_files[i]);
2824
2825 av_free_static();
2826
2827
2828 #ifdef POWERPC_PERFORMANCE_REPORT
2829 extern void powerpc_display_perf_report(void);
2830 powerpc_display_perf_report();
2831 #endif /* POWERPC_PERFORMANCE_REPORT */
2832
2833 #ifndef CONFIG_WIN32
2834 if (received_sigterm) {
2835 fprintf(stderr,
2836 "Received signal %d: terminating.\n",
2837 (int) received_sigterm);
2838 exit (255);
2839 }
2840 #endif
2841 exit(0); /* not all OS-es handle main() return value */
2842 return 0;
2843 }