updated
[libav.git] / ffmpeg.c
CommitLineData
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1/*
2 * FFmpeg main
3 * Copyright (c) 2000,2001 Gerard Lantau
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program 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
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
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19#define HAVE_AV_CONFIG_H
20#include "avformat.h"
21
bdc4796f 22#ifndef CONFIG_WIN32
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23#include <unistd.h>
24#include <fcntl.h>
25#include <sys/ioctl.h>
85f07f22 26#include <sys/time.h>
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27#include <sys/poll.h>
28#include <termios.h>
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29#include <sys/time.h>
30#include <sys/resource.h>
85f07f22 31#include <ctype.h>
bdc4796f 32#endif
85f07f22 33
85f07f22 34
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35#define MAXINT64 INT64_C(0x7fffffffffffffff)
36
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37typedef struct {
38 const char *name;
39 int flags;
40#define HAS_ARG 0x0001
41#define OPT_BOOL 0x0002
42#define OPT_EXPERT 0x0004
43#define OPT_STRING 0x0008
44 union {
45 void (*func_arg)();
46 int *int_arg;
47 char **str_arg;
48 } u;
49 const char *help;
50 const char *argname;
51} OptionDef;
52
53/* select an input stream for an output stream */
54typedef struct AVStreamMap {
55 int file_index;
56 int stream_index;
57} AVStreamMap;
58
59extern const OptionDef options[];
60
61void show_help(void);
62
63#define MAX_FILES 20
64
65static AVFormatContext *input_files[MAX_FILES];
66static int nb_input_files = 0;
67
68static AVFormatContext *output_files[MAX_FILES];
69static int nb_output_files = 0;
70
71static AVStreamMap stream_maps[MAX_FILES];
72static int nb_stream_maps;
73
74static AVFormat *file_format;
75static int frame_width = 160;
76static int frame_height = 128;
77static int frame_rate = 25 * FRAME_RATE_BASE;
78static int video_bit_rate = 200000;
79static int video_qscale = 0;
80static int video_disable = 0;
81static int video_codec_id = CODEC_ID_NONE;
82static int same_quality = 0;
cfcf0ffd 83static int do_deinterlace = 0;
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84
85static int gop_size = 12;
86static int intra_only = 0;
87static int audio_sample_rate = 44100;
88static int audio_bit_rate = 64000;
89static int audio_disable = 0;
90static int audio_channels = 1;
91static int audio_codec_id = CODEC_ID_NONE;
92
93static INT64 recording_time = 0;
94static int file_overwrite = 0;
95static char *str_title = NULL;
96static char *str_author = NULL;
97static char *str_copyright = NULL;
98static char *str_comment = NULL;
5727b222 99static int do_benchmark = 0;
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100
101typedef struct AVOutputStream {
102 int file_index; /* file index */
103 int index; /* stream index in the output file */
104 int source_index; /* AVInputStream index */
105 AVStream *st; /* stream in the output file */
106 int encoding_needed; /* true if encoding needed for this stream */
107
108 int fifo_packet_rptr; /* read index in the corresponding
109 avinputstream packet fifo */
110 /* video only */
111 AVPicture pict_tmp; /* temporary image for resizing */
112 int video_resample;
113 ImgReSampleContext *img_resample_ctx; /* for image resampling */
114
115 /* audio only */
116 int audio_resample;
117 ReSampleContext *resample; /* for audio resampling */
118 FifoBuffer fifo; /* for compression: one audio fifo per codec */
119} AVOutputStream;
120
121typedef struct AVInputStream {
122 int file_index;
123 int index;
124 AVStream *st;
125 int discard; /* true if stream data should be discarded */
126 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
127 INT64 pts; /* current pts */
128 int frame_number; /* current frame */
129 INT64 sample_index; /* current sample */
130} AVInputStream;
131
132typedef struct AVInputFile {
133 int eof_reached; /* true if eof reached */
134 int ist_index; /* index of first stream in ist_table */
135 int buffer_size; /* current total buffer size */
136 int buffer_size_max; /* buffer size at which we consider we can stop
137 buffering */
138} AVInputFile;
139
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140#ifndef CONFIG_WIN32
141
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142/* init terminal so that we can grab keys */
143static struct termios oldtty;
144
145static void term_exit(void)
146{
147 tcsetattr (0, TCSANOW, &oldtty);
148}
149
150static void term_init(void)
151{
152 struct termios tty;
153
154 tcgetattr (0, &tty);
155 oldtty = tty;
156
157 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
158 |INLCR|IGNCR|ICRNL|IXON);
159 tty.c_oflag |= OPOST;
160 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
161 tty.c_cflag &= ~(CSIZE|PARENB);
162 tty.c_cflag |= CS8;
163 tty.c_cc[VMIN] = 1;
164 tty.c_cc[VTIME] = 0;
165
166 tcsetattr (0, TCSANOW, &tty);
167
168 atexit(term_exit);
169}
170
171/* read a key without blocking */
172static int read_key(void)
173{
174 struct timeval tv;
175 int n;
176 unsigned char ch;
177 fd_set rfds;
178
179 FD_ZERO(&rfds);
180 FD_SET(0, &rfds);
181 tv.tv_sec = 0;
182 tv.tv_usec = 0;
183 n = select(1, &rfds, NULL, NULL, &tv);
184 if (n > 0) {
185 if (read(0, &ch, 1) == 1)
186 return ch;
187 }
188 return -1;
189}
190
191#define AUDIO_FIFO_SIZE 8192
192
193/* main loop for grabbing */
194int av_grab(AVFormatContext *s)
195{
196 UINT8 audio_buf[AUDIO_FIFO_SIZE/2];
197 UINT8 audio_buf1[AUDIO_FIFO_SIZE/2];
198 UINT8 audio_out[AUDIO_FIFO_SIZE/2];
544286b3 199 UINT8 video_buffer[1024*1024];
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200 char buf[256];
201 short *samples;
202 URLContext *audio_handle = NULL, *video_handle = NULL;
203 int ret;
204 AVCodecContext *enc, *first_video_enc = NULL;
205 int frame_size, frame_bytes;
206 int use_audio, use_video;
207 int frame_rate, sample_rate, channels;
208 int width, height, frame_number, i, pix_fmt = 0;
209 AVOutputStream *ost_table[s->nb_streams], *ost;
210 UINT8 *picture_in_buf = NULL, *picture_420p = NULL;
211 int audio_fifo_size = 0, picture_size = 0;
212 INT64 time_start;
213
214 /* init output stream info */
215 for(i=0;i<s->nb_streams;i++)
216 ost_table[i] = NULL;
217
218 /* output stream init */
219 for(i=0;i<s->nb_streams;i++) {
220 ost = av_mallocz(sizeof(AVOutputStream));
221 if (!ost)
222 goto fail;
223 ost->index = i;
224 ost->st = s->streams[i];
225 ost_table[i] = ost;
226 }
227
228 use_audio = 0;
229 use_video = 0;
230 frame_rate = 0;
231 sample_rate = 0;
232 frame_size = 0;
233 channels = 1;
234 width = 0;
235 height = 0;
236 frame_number = 0;
237
238 for(i=0;i<s->nb_streams;i++) {
239 AVCodec *codec;
240
241 ost = ost_table[i];
242 enc = &ost->st->codec;
243 codec = avcodec_find_encoder(enc->codec_id);
244 if (!codec) {
245 fprintf(stderr, "Unknown codec\n");
246 return -1;
247 }
248 if (avcodec_open(enc, codec) < 0) {
249 fprintf(stderr, "Incorrect encode parameters\n");
250 return -1;
251 }
252 switch(enc->codec_type) {
253 case CODEC_TYPE_AUDIO:
254 use_audio = 1;
255 if (enc->sample_rate > sample_rate)
256 sample_rate = enc->sample_rate;
257 if (enc->frame_size > frame_size)
258 frame_size = enc->frame_size;
259 if (enc->channels > channels)
260 channels = enc->channels;
261 break;
262 case CODEC_TYPE_VIDEO:
263 if (!first_video_enc)
264 first_video_enc = enc;
265 use_video = 1;
266 if (enc->frame_rate > frame_rate)
267 frame_rate = enc->frame_rate;
268 if (enc->width > width)
269 width = enc->width;
270 if (enc->height > height)
271 height = enc->height;
272 break;
273 }
274 }
275
276 /* audio */
277 samples = NULL;
278 if (use_audio) {
279 snprintf(buf, sizeof(buf), "audio:%d,%d", sample_rate, channels);
280 ret = url_open(&audio_handle, buf, URL_RDONLY);
281 if (ret < 0) {
282 fprintf(stderr, "Could not open audio device: disabling audio capture\n");
283 use_audio = 0;
284 } else {
285 URLFormat f;
286 /* read back exact grab parameters */
287 if (url_getformat(audio_handle, &f) < 0) {
288 fprintf(stderr, "could not read back video grab parameters\n");
289 goto fail;
290 }
291 sample_rate = f.sample_rate;
292 channels = f.channels;
293 audio_fifo_size = ((AUDIO_FIFO_SIZE / 2) / audio_handle->packet_size) *
294 audio_handle->packet_size;
295 fprintf(stderr, "Audio sampling: %d Hz, %s\n",
296 sample_rate, channels == 2 ? "stereo" : "mono");
297 }
298 }
299
300 /* video */
301 if (use_video) {
302 snprintf(buf, sizeof(buf), "video:%d,%d,%f",
303 width, height, (float)frame_rate / FRAME_RATE_BASE);
304
305 ret = url_open(&video_handle, buf, URL_RDONLY);
306 if (ret < 0) {
307 fprintf(stderr,"Could not init video 4 linux capture: disabling video capture\n");
308 use_video = 0;
309 } else {
310 URLFormat f;
311 const char *pix_fmt_str;
312 /* read back exact grab parameters */
313 if (url_getformat(video_handle, &f) < 0) {
314 fprintf(stderr, "could not read back video grab parameters\n");
315 goto fail;
316 }
317 width = f.width;
318 height = f.height;
319 pix_fmt = f.pix_fmt;
320 switch(pix_fmt) {
321 case PIX_FMT_YUV420P:
322 pix_fmt_str = "420P";
323 break;
324 case PIX_FMT_YUV422:
325 pix_fmt_str = "422";
326 break;
327 case PIX_FMT_RGB24:
328 pix_fmt_str = "RGB24";
329 break;
330 case PIX_FMT_BGR24:
331 pix_fmt_str = "BGR24";
332 break;
333 default:
334 pix_fmt_str = "???";
335 break;
336 }
337 picture_size = video_handle->packet_size;
338 picture_in_buf = malloc(picture_size);
339 if (!picture_in_buf)
340 goto fail;
341 /* allocate a temporary picture if not grabbing in 420P format */
342 if (pix_fmt != PIX_FMT_YUV420P) {
343 picture_420p = malloc((width * height * 3) / 2);
344 }
345 fprintf(stderr, "Video sampling: %dx%d, %s format, %0.2f fps\n",
346 width, height, pix_fmt_str, (float)frame_rate / FRAME_RATE_BASE);
347 }
348 }
349
350 if (!use_video && !use_audio) {
351 fprintf(stderr,"Could not open grab devices : exiting\n");
352 exit(1);
353 }
354
355 /* init built in conversion functions */
356 for(i=0;i<s->nb_streams;i++) {
357 ost = ost_table[i];
358 enc = &ost->st->codec;
359 switch(enc->codec_type) {
360 case CODEC_TYPE_AUDIO:
361 ost->audio_resample = 0;
362 if ((enc->channels != channels ||
363 enc->sample_rate != sample_rate)) {
364 ost->audio_resample = 1;
365 ost->resample = audio_resample_init(enc->channels, channels,
366 enc->sample_rate, sample_rate);
367 }
368 if (fifo_init(&ost->fifo, (2 * audio_fifo_size * enc->sample_rate) /
369 sample_rate))
370 goto fail;
371 break;
372 case CODEC_TYPE_VIDEO:
373 ost->video_resample = 0;
374 if (enc->width != width ||
375 enc->height != height) {
376 UINT8 *buf;
377 ost->video_resample = 1;
378 buf = malloc((enc->width * enc->height * 3) / 2);
379 if (!buf)
380 goto fail;
381 ost->pict_tmp.data[0] = buf;
382 ost->pict_tmp.data[1] = buf + enc->width * height;
383 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (enc->width * height) / 4;
384 ost->pict_tmp.linesize[0] = enc->width;
385 ost->pict_tmp.linesize[1] = enc->width / 2;
386 ost->pict_tmp.linesize[2] = enc->width / 2;
387 ost->img_resample_ctx = img_resample_init(
388 ost->st->codec.width, ost->st->codec.height,
389 width, height);
390 }
391 }
392 }
393
394 fprintf(stderr, "Press [q] to stop encoding\n");
395
396 s->format->write_header(s);
397 time_start = gettime();
398 term_init();
399
400 for(;;) {
401 /* if 'q' pressed, exits */
402 if (read_key() == 'q')
403 break;
404
405 /* read & compress audio frames */
406 if (use_audio) {
407 int ret, nb_samples, nb_samples_out;
408 UINT8 *buftmp;
409
410 for(;;) {
411 ret = url_read(audio_handle, audio_buf, audio_fifo_size);
412 if (ret <= 0)
413 break;
414 /* fill each codec fifo by doing the right sample
415 rate conversion. This is not optimal because we
416 do too much work, but it is easy to do */
417 nb_samples = ret / (channels * 2);
418 for(i=0;i<s->nb_streams;i++) {
419 ost = ost_table[i];
420 enc = &ost->st->codec;
421 if (enc->codec_type == CODEC_TYPE_AUDIO) {
422 /* rate & stereo convertion */
423 if (!ost->audio_resample) {
424 buftmp = audio_buf;
425 nb_samples_out = nb_samples;
426 } else {
427 buftmp = audio_buf1;
428 nb_samples_out = audio_resample(ost->resample,
429 (short *)buftmp, (short *)audio_buf,
430 nb_samples);
431 }
432 fifo_write(&ost->fifo, buftmp, nb_samples_out * enc->channels * 2,
433 &ost->fifo.wptr);
434 }
435 }
436
437 /* compress as many frame as possible with each audio codec */
438 for(i=0;i<s->nb_streams;i++) {
439 ost = ost_table[i];
440 enc = &ost->st->codec;
441 if (enc->codec_type == CODEC_TYPE_AUDIO) {
442 frame_bytes = enc->frame_size * 2 * enc->channels;
443
444 while (fifo_read(&ost->fifo, audio_buf,
445 frame_bytes, &ost->fifo.rptr) == 0) {
446 ret = avcodec_encode_audio(enc,
447 audio_out, sizeof(audio_out),
448 (short *)audio_buf);
449 s->format->write_packet(s, ost->index, audio_out, ret);
450 }
451 }
452 }
453 }
454 }
455
456 if (use_video) {
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457 AVPicture *picture1, *picture2, *picture;
458 AVPicture picture_tmp0, picture_tmp1;
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459
460 ret = url_read(video_handle, picture_in_buf, picture_size);
461 if (ret < 0)
462 break;
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463
464 picture2 = &picture_tmp0;
465 avpicture_fill(picture2, picture_in_buf, pix_fmt, width, height);
466
85f07f22 467 if (pix_fmt != PIX_FMT_YUV420P) {
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468 picture = &picture_tmp1;
469 img_convert(picture, PIX_FMT_YUV420P,
470 picture2, pix_fmt,
471 width, height);
85f07f22 472 } else {
cfcf0ffd 473 picture = picture2;
85f07f22 474 }
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475
476 for(i=0;i<s->nb_streams;i++) {
477 ost = ost_table[i];
478 enc = &ost->st->codec;
479 if (enc->codec_type == CODEC_TYPE_VIDEO) {
480 int n1, n2, nb;
481
482 /* feed each codec with its requested frame rate */
483 n1 = ((INT64)frame_number * enc->frame_rate) / frame_rate;
484 n2 = (((INT64)frame_number + 1) * enc->frame_rate) / frame_rate;
485 nb = n2 - n1;
486 if (nb > 0) {
487 /* resize the picture if needed */
488 if (ost->video_resample) {
489 picture1 = &ost->pict_tmp;
490 img_resample(ost->img_resample_ctx,
cfcf0ffd 491 picture1, picture);
85f07f22 492 } else {
cfcf0ffd 493 picture1 = picture;
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494 }
495 ret = avcodec_encode_video(enc, video_buffer,
496 sizeof(video_buffer),
497 picture1);
498 s->format->write_packet(s, ost->index, video_buffer, ret);
499 }
500 }
501 }
502 frame_number++;
503 }
504
505 /* write report */
506 {
507 char buf[1024];
508 INT64 total_size;
509 float ti, bitrate;
510 static float last_ti;
511 INT64 ti1;
512
513 total_size = url_ftell(&s->pb);
514 ti1 = gettime() - time_start;
515 /* check elapsed time */
516 if (recording_time && ti1 >= recording_time)
517 break;
518
519 ti = ti1 / 1000000.0;
520 if (ti < 0.1)
521 ti = 0.1;
522 /* dispaly twice per second */
523 if ((ti - last_ti) >= 0.5) {
524 last_ti = ti;
525 bitrate = (int)((total_size * 8) / ti / 1000.0);
526
527 buf[0] = '\0';
528 if (use_video) {
529 sprintf(buf + strlen(buf), "frame=%5d fps=%4.1f q=%2d ",
530 frame_number, (float)frame_number / ti, first_video_enc->quality);
531 }
532
533 sprintf(buf + strlen(buf), "size=%8LdkB time=%0.1f bitrate=%6.1fkbits/s",
534 total_size / 1024, ti, bitrate);
535 fprintf(stderr, "%s \r", buf);
536 fflush(stderr);
537 }
538 }
539 }
540 term_exit();
541
542 for(i=0;i<s->nb_streams;i++) {
543 ost = ost_table[i];
544 enc = &ost->st->codec;
545 avcodec_close(enc);
546 }
547 s->format->write_trailer(s);
548
549 if (audio_handle)
550 url_close(audio_handle);
551
552 if (video_handle)
553 url_close(video_handle);
554
555 /* write report */
556 {
557 float ti, bitrate;
558 INT64 total_size;
559
560 total_size = url_ftell(&s->pb);
561
562 ti = (gettime() - time_start) / 1000000.0;
563 if (ti < 0.1)
564 ti = 0.1;
565 bitrate = (int)((total_size * 8) / ti / 1000.0);
566
567 fprintf(stderr, "\033[K\nTotal time = %0.1f s, %Ld KBytes, %0.1f kbits/s\n",
568 ti, total_size / 1024, bitrate);
569 if (use_video) {
570 fprintf(stderr, "Total frames = %d\n", frame_number);
571 }
572 }
573
574 ret = 0;
575 fail1:
576 if (picture_in_buf)
577 free(picture_in_buf);
578 if (picture_420p)
579 free(picture_420p);
580 for(i=0;i<s->nb_streams;i++) {
581 ost = ost_table[i];
582 if (ost) {
583 if (ost->fifo.buffer)
584 fifo_free(&ost->fifo);
585 if (ost->pict_tmp.data[0])
586 free(ost->pict_tmp.data[0]);
587 if (ost->video_resample)
588 img_resample_close(ost->img_resample_ctx);
589 if (ost->audio_resample)
590 audio_resample_close(ost->resample);
591 free(ost);
592 }
593 }
594 return ret;
595 fail:
596 ret = -ENOMEM;
597 goto fail1;
598}
599
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600#endif /* CONFIG_WIN32 */
601
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602int read_ffserver_streams(AVFormatContext *s, const char *filename)
603{
604 int i;
605 AVFormatContext *ic;
606
607 ic = av_open_input_file(filename, FFM_PACKET_SIZE);
608 if (!ic)
609 return -EIO;
610 /* copy stream format */
611 s->nb_streams = ic->nb_streams;
612 for(i=0;i<ic->nb_streams;i++) {
613 AVStream *st;
614 st = av_mallocz(sizeof(AVFormatContext));
615 memcpy(st, ic->streams[i], sizeof(AVStream));
616 s->streams[i] = st;
617 }
618
619 av_close_input_file(ic);
620 return 0;
621}
622
623#define MAX_AUDIO_PACKET_SIZE 16384
624
625static void do_audio_out(AVFormatContext *s,
626 AVOutputStream *ost,
627 AVInputStream *ist,
628 unsigned char *buf, int size)
629{
630 UINT8 *buftmp;
631 UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
632 UINT8 audio_out[MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
633 int size_out, frame_bytes, ret;
634 AVCodecContext *enc;
635
636 enc = &ost->st->codec;
637
638 if (ost->audio_resample) {
639 buftmp = audio_buf;
640 size_out = audio_resample(ost->resample,
641 (short *)buftmp, (short *)buf,
642 size / (ist->st->codec.channels * 2));
643 size_out = size_out * enc->channels * 2;
644 } else {
645 buftmp = buf;
646 size_out = size;
647 }
648
649 /* now encode as many frames as possible */
650 if (enc->codec_id != CODEC_ID_PCM) {
651 /* output resampled raw samples */
652 fifo_write(&ost->fifo, buftmp, size_out,
653 &ost->fifo.wptr);
654
655 frame_bytes = enc->frame_size * 2 * enc->channels;
656
657 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
658 &ost->fifo.rptr) == 0) {
659 ret = avcodec_encode_audio(enc,
660 audio_out, sizeof(audio_out), (short *)audio_buf);
661 s->format->write_packet(s, ost->index, audio_out, ret);
662 }
663 } else {
664 /* XXX: handle endianness */
665 s->format->write_packet(s, ost->index, buftmp, size_out);
666 }
667}
668
669/* write a picture to a raw mux */
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670static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
671 int pix_fmt, int w, int h)
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672{
673 UINT8 *buf, *src, *dest;
674 int size, j, i;
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675
676 size = avpicture_get_size(pix_fmt, w, h);
677 buf = malloc(size);
678 if (!buf)
679 return;
680
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681 /* XXX: not efficient, should add test if we can take
682 directly the AVPicture */
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683 switch(pix_fmt) {
684 case PIX_FMT_YUV420P:
685 dest = buf;
686 for(i=0;i<3;i++) {
687 if (i == 1) {
688 w >>= 1;
689 h >>= 1;
690 }
691 src = picture->data[i];
692 for(j=0;j<h;j++) {
693 memcpy(dest, src, w);
694 dest += w;
695 src += picture->linesize[i];
696 }
697 }
698 break;
699 case PIX_FMT_YUV422P:
700 size = (w * h) * 2;
701 buf = malloc(size);
702 dest = buf;
703 for(i=0;i<3;i++) {
704 if (i == 1) {
705 w >>= 1;
706 }
707 src = picture->data[i];
708 for(j=0;j<h;j++) {
709 memcpy(dest, src, w);
710 dest += w;
711 src += picture->linesize[i];
712 }
713 }
714 break;
715 case PIX_FMT_YUV444P:
716 size = (w * h) * 3;
717 buf = malloc(size);
718 dest = buf;
719 for(i=0;i<3;i++) {
720 src = picture->data[i];
721 for(j=0;j<h;j++) {
722 memcpy(dest, src, w);
723 dest += w;
724 src += picture->linesize[i];
725 }
726 }
727 break;
728 case PIX_FMT_YUV422:
729 size = (w * h) * 2;
730 buf = malloc(size);
731 dest = buf;
732 src = picture->data[0];
733 for(j=0;j<h;j++) {
734 memcpy(dest, src, w * 2);
735 dest += w * 2;
736 src += picture->linesize[0];
85f07f22 737 }
cfcf0ffd
FB
738 break;
739 case PIX_FMT_RGB24:
740 case PIX_FMT_BGR24:
741 size = (w * h) * 3;
742 buf = malloc(size);
743 dest = buf;
744 src = picture->data[0];
85f07f22 745 for(j=0;j<h;j++) {
cfcf0ffd
FB
746 memcpy(dest, src, w * 3);
747 dest += w * 3;
748 src += picture->linesize[0];
85f07f22 749 }
cfcf0ffd
FB
750 break;
751 default:
752 return;
85f07f22
FB
753 }
754 s->format->write_packet(s, index, buf, size);
755 free(buf);
756}
757
758
759static void do_video_out(AVFormatContext *s,
760 AVOutputStream *ost,
761 AVInputStream *ist,
cfcf0ffd 762 AVPicture *picture1)
85f07f22
FB
763{
764 int n1, n2, nb, i, ret, frame_number;
cfcf0ffd
FB
765 AVPicture *picture, *picture2, *pict;
766 AVPicture picture_tmp1, picture_tmp2;
544286b3 767 UINT8 video_buffer[1024*1024];
cfcf0ffd
FB
768 UINT8 *buf = NULL, *buf1 = NULL;
769 AVCodecContext *enc, *dec;
85f07f22
FB
770
771 enc = &ost->st->codec;
cfcf0ffd 772 dec = &ist->st->codec;
85f07f22
FB
773
774 frame_number = ist->frame_number;
775 /* first drop frame if needed */
cfcf0ffd
FB
776 n1 = ((INT64)frame_number * enc->frame_rate) / dec->frame_rate;
777 n2 = (((INT64)frame_number + 1) * enc->frame_rate) / dec->frame_rate;
85f07f22
FB
778 nb = n2 - n1;
779 if (nb <= 0)
780 return;
781
cfcf0ffd
FB
782 /* deinterlace : must be done before any resize */
783 if (do_deinterlace) {
784 int size;
785
786 /* create temporary picture */
787 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
788 buf1 = malloc(size);
789 if (!buf1)
790 return;
791
792 picture2 = &picture_tmp2;
793 avpicture_fill(picture2, buf1, dec->pix_fmt, dec->width, dec->height);
794
795 if (avpicture_deinterlace(picture2, picture1,
796 dec->pix_fmt, dec->width, dec->height) < 0) {
797 /* if error, do not deinterlace */
798 free(buf1);
799 buf1 = NULL;
800 picture2 = picture1;
801 }
802 } else {
803 picture2 = picture1;
804 }
805
806 /* convert pixel format if needed */
807 if (enc->pix_fmt != dec->pix_fmt) {
808 int size;
809
810 /* create temporary picture */
811 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
812 buf = malloc(size);
813 if (!buf)
814 return;
815 pict = &picture_tmp1;
816 avpicture_fill(pict, buf, enc->pix_fmt, dec->width, dec->height);
817
818 if (img_convert(pict, enc->pix_fmt,
819 picture2, dec->pix_fmt,
820 dec->width, dec->height) < 0) {
821 fprintf(stderr, "pixel format conversion not handled\n");
822 goto the_end;
823 }
824 } else {
825 pict = picture2;
826 }
827
828 /* XXX: resampling could be done before raw format convertion in
829 some cases to go faster */
830 /* XXX: only works for YUV420P */
85f07f22
FB
831 if (ost->video_resample) {
832 picture = &ost->pict_tmp;
833 img_resample(ost->img_resample_ctx, picture, pict);
834 } else {
835 picture = pict;
836 }
837
838 /* duplicates frame if needed */
839 /* XXX: pb because no interleaving */
840 for(i=0;i<nb;i++) {
841 if (enc->codec_id != CODEC_ID_RAWVIDEO) {
842 /* handles sameq here. This is not correct because it may
843 not be a global option */
844 if (same_quality) {
cfcf0ffd 845 enc->quality = dec->quality;
85f07f22 846 }
cfcf0ffd 847 ret = avcodec_encode_video(enc,
85f07f22
FB
848 video_buffer, sizeof(video_buffer),
849 picture);
850 s->format->write_packet(s, ost->index, video_buffer, ret);
851 } else {
cfcf0ffd 852 write_picture(s, ost->index, picture, enc->pix_fmt, enc->width, enc->height);
85f07f22
FB
853 }
854 }
cfcf0ffd
FB
855 the_end:
856 if (buf)
857 free(buf);
858 if (buf1)
859 free(buf1);
85f07f22
FB
860}
861
862//#define HEX_DUMP
863
864#ifdef HEX_DUMP
865static void hex_dump(UINT8 *buf, int size)
866{
867 int len, i, j, c;
868
869 for(i=0;i<size;i+=16) {
870 len = size - i;
871 if (len > 16)
872 len = 16;
873 printf("%08x ", i);
874 for(j=0;j<16;j++) {
875 if (j < len)
876 printf(" %02x", buf[i+j]);
877 else
878 printf(" ");
879 }
880 printf(" ");
881 for(j=0;j<len;j++) {
882 c = buf[i+j];
883 if (c < ' ' || c > '~')
884 c = '.';
885 printf("%c", c);
886 }
887 printf("\n");
888 }
889}
890#endif
891
892/*
893 * The following code is the main loop of the file converter
894 */
895static int av_encode(AVFormatContext **output_files,
896 int nb_output_files,
897 AVFormatContext **input_files,
898 int nb_input_files,
899 AVStreamMap *stream_maps, int nb_stream_maps)
900{
bdc4796f 901 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
FB
902 AVFormatContext *is, *os;
903 AVCodecContext *codec, *icodec;
904 AVOutputStream *ost, **ost_table = NULL;
905 AVInputStream *ist, **ist_table = NULL;
906 INT64 min_pts, start_time;
bdc4796f
FB
907 AVInputFile *file_table;
908
909 file_table= (AVInputFile*) malloc(nb_input_files * sizeof(AVInputFile));
910 if (!file_table)
911 goto fail;
85f07f22
FB
912
913 memset(file_table, 0, sizeof(file_table));
914
915 /* input stream init */
916 j = 0;
917 for(i=0;i<nb_input_files;i++) {
918 is = input_files[i];
919 file_table[i].ist_index = j;
920 j += is->nb_streams;
921 }
922 nb_istreams = j;
923
924 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
925 if (!ist_table)
bdc4796f 926 goto fail;
85f07f22
FB
927
928 for(i=0;i<nb_istreams;i++) {
929 ist = av_mallocz(sizeof(AVInputStream));
930 if (!ist)
931 goto fail;
932 ist_table[i] = ist;
933 }
934 j = 0;
935 for(i=0;i<nb_input_files;i++) {
936 is = input_files[i];
937 for(k=0;k<is->nb_streams;k++) {
938 ist = ist_table[j++];
939 ist->st = is->streams[k];
940 ist->file_index = i;
941 ist->index = k;
942 ist->discard = 1; /* the stream is discarded by default
943 (changed later) */
944 }
945 }
946
947 /* output stream init */
948 nb_ostreams = 0;
949 for(i=0;i<nb_output_files;i++) {
950 os = output_files[i];
951 nb_ostreams += os->nb_streams;
952 }
953 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
954 fprintf(stderr, "Number of stream maps must match number of output streams\n");
955 exit(1);
956 }
957
958 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
959 if (!ost_table)
960 goto fail;
961 for(i=0;i<nb_ostreams;i++) {
962 ost = av_mallocz(sizeof(AVOutputStream));
963 if (!ost)
964 goto fail;
965 ost_table[i] = ost;
966 }
967
968 n = 0;
969 for(k=0;k<nb_output_files;k++) {
970 os = output_files[k];
971 for(i=0;i<os->nb_streams;i++) {
972 int found;
973 ost = ost_table[n++];
974 ost->file_index = k;
975 ost->index = i;
976 ost->st = os->streams[i];
977 if (nb_stream_maps > 0) {
978 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
979 stream_maps[n-1].stream_index;
980 } else {
981 /* get corresponding input stream index : we select the first one with the right type */
982 found = 0;
983 for(j=0;j<nb_istreams;j++) {
984 ist = ist_table[j];
985 if (ist->discard &&
986 ist->st->codec.codec_type == ost->st->codec.codec_type) {
987 ost->source_index = j;
988 found = 1;
989 }
990 }
991
992 if (!found) {
993 /* try again and reuse existing stream */
994 for(j=0;j<nb_istreams;j++) {
995 ist = ist_table[j];
996 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
997 ost->source_index = j;
998 found = 1;
999 }
1000 }
1001 if (!found) {
1002 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1003 ost->file_index, ost->index);
1004 exit(1);
1005 }
1006 }
1007 }
1008 ist = ist_table[ost->source_index];
1009 ist->discard = 0;
1010 }
1011 }
1012
1013 /* dump the stream mapping */
1014 fprintf(stderr, "Stream mapping:\n");
1015 for(i=0;i<nb_ostreams;i++) {
1016 ost = ost_table[i];
1017 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1018 ist_table[ost->source_index]->file_index,
1019 ist_table[ost->source_index]->index,
1020 ost->file_index,
1021 ost->index);
1022 }
1023
1024 /* for each output stream, we compute the right encoding parameters */
1025 for(i=0;i<nb_ostreams;i++) {
1026 ost = ost_table[i];
1027 ist = ist_table[ost->source_index];
1028
1029 codec = &ost->st->codec;
1030 icodec = &ist->st->codec;
1031
1032 switch(codec->codec_type) {
1033 case CODEC_TYPE_AUDIO:
1034 /* check if same codec with same parameters. If so, no
1035 reencoding is needed */
1036 if (codec->codec_id == icodec->codec_id &&
1037 codec->bit_rate == icodec->bit_rate &&
1038 codec->sample_rate == icodec->sample_rate &&
1039 codec->channels == icodec->channels) {
1040 /* no reencoding */
1041 } else {
1042 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1043 goto fail;
1044
1045 if (codec->channels == icodec->channels &&
1046 codec->sample_rate == icodec->sample_rate) {
1047 ost->audio_resample = 0;
1048 } else {
1049 ost->audio_resample = 1;
1050 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1051 codec->sample_rate,
1052 icodec->sample_rate);
1053 }
1054 ist->decoding_needed = 1;
1055 ost->encoding_needed = 1;
1056 }
1057 break;
1058 case CODEC_TYPE_VIDEO:
1059 /* check if same codec with same parameters. If so, no
1060 reencoding is needed */
1061 if (codec->codec_id == icodec->codec_id &&
1062 codec->bit_rate == icodec->bit_rate &&
1063 codec->frame_rate == icodec->frame_rate &&
1064 codec->width == icodec->width &&
1065 codec->height == icodec->height) {
1066 /* no reencoding */
1067 } else {
1068 if (codec->width == icodec->width &&
1069 codec->height == icodec->height) {
1070 ost->video_resample = 0;
1071 } else {
1072 UINT8 *buf;
1073 ost->video_resample = 1;
1074 buf = malloc((codec->width * codec->height * 3) / 2);
1075 if (!buf)
1076 goto fail;
1077 ost->pict_tmp.data[0] = buf;
1078 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1079 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1080 ost->pict_tmp.linesize[0] = codec->width;
1081 ost->pict_tmp.linesize[1] = codec->width / 2;
1082 ost->pict_tmp.linesize[2] = codec->width / 2;
1083
1084 ost->img_resample_ctx = img_resample_init(
1085 ost->st->codec.width, ost->st->codec.height,
1086 ist->st->codec.width, ist->st->codec.height);
1087 }
1088 ost->encoding_needed = 1;
1089 ist->decoding_needed = 1;
1090 }
1091 break;
1092 }
1093 }
1094
1095 /* open each encoder */
1096 for(i=0;i<nb_ostreams;i++) {
1097 ost = ost_table[i];
1098 if (ost->encoding_needed) {
1099 AVCodec *codec;
1100 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1101 if (!codec) {
1102 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1103 ost->file_index, ost->index);
1104 exit(1);
1105 }
1106 if (avcodec_open(&ost->st->codec, codec) < 0) {
1107 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1108 ost->file_index, ost->index);
1109 exit(1);
1110 }
1111 }
1112 }
1113
1114 /* open each decoder */
1115 for(i=0;i<nb_istreams;i++) {
1116 ist = ist_table[i];
1117 if (ist->decoding_needed) {
1118 AVCodec *codec;
1119 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1120 if (!codec) {
1121 fprintf(stderr, "Unsupported codec for input stream #%d.%d\n",
1122 ist->file_index, ist->index);
1123 exit(1);
1124 }
1125 if (avcodec_open(&ist->st->codec, codec) < 0) {
1126 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1127 ist->file_index, ist->index);
1128 exit(1);
1129 }
1130 }
1131 }
1132
1133 /* init pts */
1134 for(i=0;i<nb_istreams;i++) {
1135 ist = ist_table[i];
1136 ist->pts = 0;
1137 ist->frame_number = 0;
1138 }
1139
1140 /* compute buffer size max (should use a complete heuristic) */
1141 for(i=0;i<nb_input_files;i++) {
1142 file_table[i].buffer_size_max = 2048;
1143 }
1144
1145 /* open files and write file headers */
1146 for(i=0;i<nb_output_files;i++) {
1147 os = output_files[i];
1148 os->format->write_header(os);
1149 }
1150
1151 start_time = gettime();
1152 min_pts = 0;
1153 for(;;) {
1154 int file_index, ist_index;
1155 AVPacket pkt;
1156 UINT8 *ptr;
1157 int len;
1158 UINT8 *data_buf;
1159 int data_size, got_picture;
1160 AVPicture picture;
1161 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1162
1163 /* select the input file with the smallest pts */
1164 redo:
1165 file_index = -1;
bdc4796f 1166 min_pts = MAXINT64;
85f07f22
FB
1167 for(i=0;i<nb_istreams;i++) {
1168 ist = ist_table[i];
1169 if (!ist->discard && !file_table[ist->file_index].eof_reached && ist->pts < min_pts) {
1170 min_pts = ist->pts;
1171 file_index = ist->file_index;
1172 }
1173 }
1174 /* if none, if is finished */
1175 if (file_index < 0)
1176 break;
1177 /* finish if recording time exhausted */
1178 if (recording_time > 0 && min_pts >= recording_time)
1179 break;
1180 /* read a packet from it and output it in the fifo */
1181
1182 is = input_files[file_index];
1183 if (av_read_packet(is, &pkt) < 0) {
1184 file_table[file_index].eof_reached = 1;
1185 continue;
1186 }
1187 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1188 ist = ist_table[ist_index];
1189 if (ist->discard) {
1190 continue;
1191 }
1192
1193#ifdef HEX_DUMP
1194 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1195 hex_dump(pkt.data, pkt.size);
1196#endif
1197
1198 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1199
1200 len = pkt.size;
1201 ptr = pkt.data;
1202 while (len > 0) {
1203
1204 /* decode the packet if needed */
1205 data_buf = NULL; /* fail safe */
1206 data_size = 0;
1207 if (ist->decoding_needed) {
1208 switch(ist->st->codec.codec_type) {
1209 case CODEC_TYPE_AUDIO:
1210 if (ist->st->codec.codec_id == CODEC_ID_PCM) {
1211 /* no need to call a codec */
1212 data_buf = ptr;
1213 data_size = len;
1214 ret = len;
1215 } else {
1216 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1217 ptr, len);
1218 if (ret < 0)
1219 goto fail_decode;
1220 if (data_size == 0) {
1221 /* no audio frame */
1222 ptr += ret;
1223 len -= ret;
1224 continue;
1225 }
1226 data_buf = (UINT8 *)samples;
1227 }
1228 break;
1229 case CODEC_TYPE_VIDEO:
1230 if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1231 int size;
1232 size = (ist->st->codec.width * ist->st->codec.height);
cfcf0ffd
FB
1233 avpicture_fill(&picture, ptr,
1234 ist->st->codec.pix_fmt,
1235 ist->st->codec.width,
1236 ist->st->codec.height);
85f07f22
FB
1237 ret = len;
1238 } else {
1239 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1240 ret = avcodec_decode_video(&ist->st->codec,
1241 &picture, &got_picture, ptr, len);
1242 if (ret < 0) {
1243 fail_decode:
1244 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1245 ist->file_index, ist->index);
1246 av_free_packet(&pkt);
1247 goto redo;
1248 }
1249 if (!got_picture) {
1250 /* no picture yet */
1251 ptr += ret;
1252 len -= ret;
1253 continue;
1254 }
1255 }
1256 break;
1257 default:
1258 goto fail_decode;
1259 }
1260 } else {
1261 data_buf = ptr;
1262 data_size = len;
1263 ret = len;
1264 }
1265 /* update pts */
1266 switch(ist->st->codec.codec_type) {
1267 case CODEC_TYPE_AUDIO:
1268 ist->pts = (INT64)1000000 * ist->sample_index / ist->st->codec.sample_rate;
1269 ist->sample_index += data_size / (2 * ist->st->codec.channels);
1270 break;
1271 case CODEC_TYPE_VIDEO:
1272 ist->frame_number++;
1273 ist->pts = ((INT64)ist->frame_number * 1000000 * FRAME_RATE_BASE) /
1274 ist->st->codec.frame_rate;
1275 break;
1276 }
1277 ptr += ret;
1278 len -= ret;
1279
1280 /* transcode raw format, encode packets and output them */
1281
1282 for(i=0;i<nb_ostreams;i++) {
1283 ost = ost_table[i];
1284 if (ost->source_index == ist_index) {
1285 os = output_files[ost->file_index];
1286
1287 if (ost->encoding_needed) {
1288 switch(ost->st->codec.codec_type) {
1289 case CODEC_TYPE_AUDIO:
1290 do_audio_out(os, ost, ist, data_buf, data_size);
1291 break;
1292 case CODEC_TYPE_VIDEO:
1293 do_video_out(os, ost, ist, &picture);
1294 break;
1295 }
1296 } else {
1297 /* no reencoding needed : output the packet directly */
1298 os->format->write_packet(os, ost->index, data_buf, data_size);
1299 }
1300 }
1301 }
1302 }
1303 av_free_packet(&pkt);
1304
1305 /* dump report by using the first video and audio streams */
1306 {
1307 char buf[1024];
1308 AVFormatContext *oc;
1309 INT64 total_size, ti;
1310 AVCodecContext *enc;
1311 int frame_number, vid;
1312 double bitrate, ti1;
1313 static INT64 last_time;
1314
1315 if ((min_pts - last_time) >= 500000) {
1316 last_time = min_pts;
1317
1318 oc = output_files[0];
1319
1320 total_size = url_ftell(&oc->pb);
1321
1322 buf[0] = '\0';
bdc4796f 1323 ti = MAXINT64;
85f07f22
FB
1324 vid = 0;
1325 for(i=0;i<nb_ostreams;i++) {
1326 ost = ost_table[i];
1327 enc = &ost->st->codec;
1328 ist = ist_table[ost->source_index];
1329 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1330 frame_number = ist->frame_number;
1331 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1332 frame_number, enc->quality);
1333 vid = 1;
1334 }
1335 /* compute min pts value */
1336 if (!ist->discard && ist->pts < ti) {
1337 ti = ist->pts;
1338 }
1339 }
1340
bdc4796f 1341 ti1 = (double)ti / 1000000.0;
85f07f22
FB
1342 if (ti1 < 0.1)
1343 ti1 = 0.1;
1344 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1345
bdc4796f
FB
1346 sprintf(buf + strlen(buf),
1347 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1348 (double)total_size / 1024, ti1, bitrate);
85f07f22
FB
1349
1350 fprintf(stderr, "%s \r", buf);
1351 fflush(stderr);
1352 }
1353 }
1354 }
1355
1356 /* dump report by using the first video and audio streams */
1357 {
1358 char buf[1024];
1359 AVFormatContext *oc;
1360 INT64 total_size, ti;
1361 AVCodecContext *enc;
1362 int frame_number, vid;
1363 double bitrate, ti1;
1364
1365 oc = output_files[0];
1366
1367 total_size = url_ftell(&oc->pb);
1368
1369 buf[0] = '\0';
bdc4796f 1370 ti = MAXINT64;
85f07f22
FB
1371 vid = 0;
1372 for(i=0;i<nb_ostreams;i++) {
1373 ost = ost_table[i];
1374 enc = &ost->st->codec;
1375 ist = ist_table[ost->source_index];
1376 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1377 frame_number = ist->frame_number;
1378 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1379 frame_number, enc->quality);
1380 vid = 1;
1381 }
1382 /* compute min pts value */
1383 if (!ist->discard && ist->pts < ti) {
1384 ti = ist->pts;
1385 }
1386 }
1387
1388 ti1 = ti / 1000000.0;
1389 if (ti1 < 0.1)
1390 ti1 = 0.1;
1391 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1392
bdc4796f
FB
1393 sprintf(buf + strlen(buf),
1394 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1395 (double)total_size / 1024, ti1, bitrate);
85f07f22
FB
1396
1397 fprintf(stderr, "%s \n", buf);
1398 }
1399 /* close each encoder */
1400 for(i=0;i<nb_ostreams;i++) {
1401 ost = ost_table[i];
1402 if (ost->encoding_needed) {
1403 avcodec_close(&ost->st->codec);
1404 }
1405 }
1406
1407 /* close each decoder */
1408 for(i=0;i<nb_istreams;i++) {
1409 ist = ist_table[i];
1410 if (ist->decoding_needed) {
1411 avcodec_close(&ist->st->codec);
1412 }
1413 }
1414
1415
1416 /* write the trailer if needed and close file */
1417 for(i=0;i<nb_output_files;i++) {
1418 os = output_files[i];
1419 os->format->write_trailer(os);
1420 }
1421 /* finished ! */
1422
1423 ret = 0;
1424 fail1:
bdc4796f
FB
1425 free(file_table);
1426
85f07f22
FB
1427 if (ist_table) {
1428 for(i=0;i<nb_istreams;i++) {
1429 ist = ist_table[i];
1430 if (ist) {
1431 free(ist);
1432 }
1433 }
1434 free(ist_table);
1435 }
1436 if (ost_table) {
1437 for(i=0;i<nb_ostreams;i++) {
1438 ost = ost_table[i];
1439 if (ost) {
1440 if (ost->pict_tmp.data[0])
1441 free(ost->pict_tmp.data[0]);
1442 if (ost->video_resample)
1443 img_resample_close(ost->img_resample_ctx);
1444 if (ost->audio_resample)
1445 audio_resample_close(ost->resample);
1446 free(ost);
1447 }
1448 }
1449 free(ost_table);
1450 }
1451 return ret;
1452 fail:
1453 ret = -ENOMEM;
1454 goto fail1;
1455}
1456
1457#if 0
1458int file_read(const char *filename)
1459{
1460 URLContext *h;
1461 unsigned char buffer[1024];
1462 int len, i;
1463
1464 if (url_open(&h, filename, O_RDONLY) < 0) {
1465 printf("could not open '%s'\n", filename);
1466 return -1;
1467 }
1468 for(;;) {
1469 len = url_read(h, buffer, sizeof(buffer));
1470 if (len <= 0)
1471 break;
1472 for(i=0;i<len;i++) putchar(buffer[i]);
1473 }
1474 url_close(h);
1475 return 0;
1476}
1477#endif
1478
1479void show_licence(void)
1480{
1481 printf(
1482 "ffmpeg version " FFMPEG_VERSION "\n"
1483 "Copyright (c) 2000,2001 Gerard Lantau\n"
1484 "This program is free software; you can redistribute it and/or modify\n"
1485 "it under the terms of the GNU General Public License as published by\n"
1486 "the Free Software Foundation; either version 2 of the License, or\n"
1487 "(at your option) any later version.\n"
1488 "\n"
1489 "This program is distributed in the hope that it will be useful,\n"
1490 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1491 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
1492 "GNU General Public License for more details.\n"
1493 "\n"
1494 "You should have received a copy of the GNU General Public License\n"
1495 "along with this program; if not, write to the Free Software\n"
1496 "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
1497 );
1498 exit(1);
1499}
1500
1501void opt_format(const char *arg)
1502{
1503 AVFormat *f;
1504 f = first_format;
1505 while (f != NULL && strcmp(f->name, arg) != 0) f = f->next;
1506 if (f == NULL) {
1507 fprintf(stderr, "Invalid format: %s\n", arg);
1508 exit(1);
1509 }
1510 file_format = f;
1511}
1512
1513void opt_video_bitrate(const char *arg)
1514{
1515 video_bit_rate = atoi(arg) * 1000;
1516}
1517
1518void opt_frame_rate(const char *arg)
1519{
1520 frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1521}
1522
1523void opt_frame_size(const char *arg)
1524{
1525 parse_image_size(&frame_width, &frame_height, arg);
1526 if (frame_width <= 0 || frame_height <= 0) {
1527 fprintf(stderr, "Incorrect frame size\n");
1528 exit(1);
1529 }
1530 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1531 fprintf(stderr, "Frame size must be a multiple of 2\n");
1532 exit(1);
1533 }
1534}
1535
1536void opt_gop_size(const char *arg)
1537{
1538 gop_size = atoi(arg);
1539}
1540
1541void opt_qscale(const char *arg)
1542{
1543 video_qscale = atoi(arg);
1544 if (video_qscale < 0 ||
1545 video_qscale > 31) {
1546 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1547 exit(1);
1548 }
1549}
1550
1551
1552void opt_audio_bitrate(const char *arg)
1553{
1554 audio_bit_rate = atoi(arg) * 1000;
1555}
1556
1557void opt_audio_rate(const char *arg)
1558{
1559 audio_sample_rate = atoi(arg);
1560}
1561
1562void opt_audio_channels(const char *arg)
1563{
1564 audio_channels = atoi(arg);
1565}
1566
bdc4796f 1567#ifdef CONFIG_GRAB
85f07f22
FB
1568void opt_video_device(const char *arg)
1569{
1570 v4l_device = strdup(arg);
1571}
1572
1573void opt_audio_device(const char *arg)
1574{
1575 audio_device = strdup(arg);
1576}
bdc4796f 1577#endif
85f07f22
FB
1578
1579void opt_audio_codec(const char *arg)
1580{
1581 AVCodec *p;
1582
1583 p = first_avcodec;
1584 while (p) {
1585 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1586 break;
1587 p = p->next;
1588 }
1589 if (p == NULL) {
1590 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1591 exit(1);
1592 } else {
1593 audio_codec_id = p->id;
1594 }
1595}
1596
1597const char *motion_str[] = {
1598 "zero",
1599 "full",
1600 "log",
1601 "phods",
1602 NULL,
1603};
1604
1605void opt_motion_estimation(const char *arg)
1606{
1607 const char **p;
1608 p = motion_str;
1609 for(;;) {
1610 if (!*p) {
1611 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1612 exit(1);
1613 }
1614 if (!strcmp(*p, arg))
1615 break;
1616 p++;
1617 }
1618 motion_estimation_method = p - motion_str;
1619}
1620
1621void opt_video_codec(const char *arg)
1622{
1623 AVCodec *p;
1624
1625 p = first_avcodec;
1626 while (p) {
1627 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1628 break;
1629 p = p->next;
1630 }
1631 if (p == NULL) {
1632 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1633 exit(1);
1634 } else {
1635 video_codec_id = p->id;
1636 }
1637}
1638
1639void opt_map(const char *arg)
1640{
1641 AVStreamMap *m;
1642 const char *p;
1643
1644 p = arg;
1645 m = &stream_maps[nb_stream_maps++];
1646
1647 m->file_index = strtol(arg, (char **)&p, 0);
1648 if (*p)
1649 p++;
1650 m->stream_index = strtol(arg, (char **)&p, 0);
1651}
1652
1653void opt_recording_time(const char *arg)
1654{
1655 recording_time = parse_date(arg, 1);
1656}
1657
1658/* return the number of packet read to find the codec parameters */
1659int find_codec_parameters(AVFormatContext *ic)
1660{
1661 int val, i, count, ret, got_picture, size;
1662 AVCodec *codec;
1663 AVCodecContext *enc;
1664 AVStream *st;
1665 AVPacket *pkt;
1666 AVPicture picture;
1667 AVPacketList *pktl, **ppktl;
1668 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1669 UINT8 *ptr;
1670
1671 count = 0;
1672 ppktl = &ic->packet_buffer;
1673 for(;;) {
1674 for(i=0;i<ic->nb_streams;i++) {
1675 enc = &ic->streams[i]->codec;
1676
1677 switch(enc->codec_type) {
1678 case CODEC_TYPE_AUDIO:
1679 val = enc->sample_rate;
1680 break;
1681 case CODEC_TYPE_VIDEO:
1682 val = enc->width;
1683 break;
1684 default:
1685 val = 1;
1686 break;
1687 }
1688 /* if no parameters supplied, then we should read it from
1689 the stream */
1690 if (val == 0)
1691 break;
1692 }
1693 if (i == ic->nb_streams) {
1694 ret = count;
1695 break;
1696 }
1697
1698 if (count == 0) {
1699 /* open each codec */
1700 for(i=0;i<ic->nb_streams;i++) {
1701 st = ic->streams[i];
1702 codec = avcodec_find_decoder(st->codec.codec_id);
1703 if (codec == NULL) {
1704 ret = -1;
1705 goto the_end;
1706 }
1707 avcodec_open(&st->codec, codec);
1708 }
1709 }
1710 pktl = av_mallocz(sizeof(AVPacketList));
1711 if (!pktl) {
1712 ret = -1;
1713 break;
1714 }
1715
1716 /* add the packet in the buffered packet list */
1717 *ppktl = pktl;
1718 ppktl = &pktl->next;
1719
1720 pkt = &pktl->pkt;
1721 if (ic->format->read_packet(ic, pkt) < 0) {
1722 ret = -1;
1723 break;
1724 }
1725 st = ic->streams[pkt->stream_index];
1726
1727 /* decode the data and update codec parameters */
1728 ptr = pkt->data;
1729 size = pkt->size;
1730 while (size > 0) {
1731 switch(st->codec.codec_type) {
1732 case CODEC_TYPE_VIDEO:
1733 ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
1734 break;
1735 case CODEC_TYPE_AUDIO:
1736 ret = avcodec_decode_audio(&st->codec, samples, &got_picture, ptr, size);
1737 break;
1738 default:
1739 ret = -1;
1740 break;
1741 }
1742 if (ret < 0) {
1743 ret = -1;
1744 goto the_end;
1745 }
1746 if (got_picture)
1747 break;
1748 ptr += ret;
1749 size -= ret;
1750 }
1751
1752 count++;
1753 }
1754 the_end:
1755 if (count > 0) {
1756 /* close each codec */
1757 for(i=0;i<ic->nb_streams;i++) {
1758 st = ic->streams[i];
1759 avcodec_close(&st->codec);
1760 }
1761 }
1762 return ret;
1763}
1764
1765
1766void opt_input_file(const char *filename)
1767{
1768 AVFormatContext *ic;
1769 AVFormatParameters params, *ap = &params;
1770 URLFormat url_format;
1771 AVFormat *fmt;
1772 int err, i, ret;
1773
1774 ic = av_mallocz(sizeof(AVFormatContext));
1775 strcpy(ic->filename, filename);
1776 /* first format guess to know if we must open file */
1777 fmt = file_format;
1778 if (!fmt)
1779 fmt = guess_format(NULL, filename, NULL);
1780
1781 if (fmt == NULL || !(fmt->flags & AVFMT_NOFILE)) {
1782 /* open file */
1783 if (url_fopen(&ic->pb, filename, URL_RDONLY) < 0) {
1784 fprintf(stderr, "Could not open '%s'\n", filename);
1785 exit(1);
1786 }
1787
1788 /* find format and set default parameters */
1789 fmt = file_format;
1790 err = url_getformat(url_fileno(&ic->pb), &url_format);
1791 if (err >= 0) {
1792 if (!fmt)
1793 fmt = guess_format(url_format.format_name, NULL, NULL);
1794 ap->sample_rate = url_format.sample_rate;
1795 ap->frame_rate = url_format.frame_rate;
1796 ap->channels = url_format.channels;
1797 ap->width = url_format.width;
1798 ap->height = url_format.height;
1799 ap->pix_fmt = url_format.pix_fmt;
1800 } else {
1801 if (!fmt)
1802 fmt = guess_format(NULL, filename, NULL);
1803 memset(ap, 0, sizeof(*ap));
1804 }
1805 } else {
1806 memset(ap, 0, sizeof(*ap));
1807 }
1808
1809 if (!fmt || !fmt->read_header) {
1810 fprintf(stderr, "%s: Unknown file format\n", filename);
1811 exit(1);
1812 }
1813 ic->format = fmt;
1814
1815 /* get default parameters from command line */
1816 if (!ap->sample_rate)
1817 ap->sample_rate = audio_sample_rate;
1818 if (!ap->channels)
1819 ap->channels = audio_channels;
1820
1821 if (!ap->frame_rate)
1822 ap->frame_rate = frame_rate;
1823 if (!ap->width)
1824 ap->width = frame_width;
1825 if (!ap->height)
1826 ap->height = frame_height;
1827
1828 err = ic->format->read_header(ic, ap);
1829 if (err < 0) {
1830 fprintf(stderr, "%s: Error while parsing header\n", filename);
1831 exit(1);
1832 }
1833
1834 /* If not enough info for the codecs, we decode the first frames
1835 to get it. (used in mpeg case for example) */
1836 ret = find_codec_parameters(ic);
1837 if (ret < 0) {
1838 fprintf(stderr, "%s: could not find codec parameters\n", filename);
1839 exit(1);
1840 }
1841
1842 /* update the current parameters so that they match the one of the input stream */
1843 for(i=0;i<ic->nb_streams;i++) {
1844 AVCodecContext *enc = &ic->streams[i]->codec;
1845 switch(enc->codec_type) {
1846 case CODEC_TYPE_AUDIO:
1847 audio_channels = enc->channels;
1848 audio_sample_rate = enc->sample_rate;
1849 break;
1850 case CODEC_TYPE_VIDEO:
1851 frame_height = enc->height;
1852 frame_width = enc->width;
1853 frame_rate = enc->frame_rate;
1854 break;
1855 }
1856 }
1857
1858 input_files[nb_input_files] = ic;
1859 /* dump the file content */
1860 dump_format(ic, nb_input_files, filename, 0);
1861 nb_input_files++;
1862 file_format = NULL;
1863}
1864
1865void opt_output_file(const char *filename)
1866{
1867 AVStream *st;
1868 AVFormatContext *oc;
1869 int use_video, use_audio, nb_streams;
1870 int codec_id;
1871
1872 if (!strcmp(filename, "-"))
1873 filename = "pipe:";
1874
1875 oc = av_mallocz(sizeof(AVFormatContext));
1876
1877 if (!file_format) {
1878 file_format = guess_format(NULL, filename, NULL);
1879 if (!file_format)
1880 file_format = &mpeg_mux_format;
1881 }
1882
1883 oc->format = file_format;
1884
1885 if (!strcmp(file_format->name, "ffm") &&
1886 strstart(filename, "http:", NULL)) {
1887 /* special case for files sent to ffserver: we get the stream
1888 parameters from ffserver */
1889 if (read_ffserver_streams(oc, filename) < 0) {
1890 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
1891 exit(1);
1892 }
1893 } else {
1894 use_video = file_format->video_codec != CODEC_ID_NONE;
1895 use_audio = file_format->audio_codec != CODEC_ID_NONE;
1896
1897 if (audio_disable) {
1898 use_audio = 0;
1899 }
1900 if (video_disable) {
1901 use_video = 0;
1902 }
1903
1904 nb_streams = 0;
1905 if (use_video) {
1906 AVCodecContext *video_enc;
1907
1908 st = av_mallocz(sizeof(AVStream));
1909 if (!st) {
1910 fprintf(stderr, "Could not alloc stream\n");
1911 exit(1);
1912 }
1913 video_enc = &st->codec;
1914
1915 codec_id = file_format->video_codec;
1916 if (video_codec_id != CODEC_ID_NONE)
1917 codec_id = video_codec_id;
1918
1919 video_enc->codec_id = codec_id;
1920 video_enc->codec_type = CODEC_TYPE_VIDEO;
1921
1922 video_enc->bit_rate = video_bit_rate;
1923 video_enc->frame_rate = frame_rate;
1924
1925 video_enc->width = frame_width;
1926 video_enc->height = frame_height;
1927 if (!intra_only)
1928 video_enc->gop_size = gop_size;
1929 else
1930 video_enc->gop_size = 0;
1931 if (video_qscale || same_quality) {
1932 video_enc->flags |= CODEC_FLAG_QSCALE;
1933 video_enc->quality = video_qscale;
1934 }
cfcf0ffd
FB
1935 /* XXX: need to find a way to set codec parameters */
1936 if (oc->format == &ppm_format ||
1937 oc->format == &ppmpipe_format) {
1938 video_enc->pix_fmt = PIX_FMT_RGB24;
1939 }
85f07f22
FB
1940
1941 oc->streams[nb_streams] = st;
1942 nb_streams++;
1943 }
1944
1945 if (use_audio) {
1946 AVCodecContext *audio_enc;
1947
1948 st = av_mallocz(sizeof(AVStream));
1949 if (!st) {
1950 fprintf(stderr, "Could not alloc stream\n");
1951 exit(1);
1952 }
1953 audio_enc = &st->codec;
1954 codec_id = file_format->audio_codec;
1955 if (audio_codec_id != CODEC_ID_NONE)
1956 codec_id = audio_codec_id;
1957 audio_enc->codec_id = codec_id;
1958 audio_enc->codec_type = CODEC_TYPE_AUDIO;
1959
1960 audio_enc->bit_rate = audio_bit_rate;
1961 audio_enc->sample_rate = audio_sample_rate;
1962 audio_enc->channels = audio_channels;
1963 oc->streams[nb_streams] = st;
1964 nb_streams++;
1965 }
1966
1967 oc->nb_streams = nb_streams;
1968
1969 if (!nb_streams) {
1970 fprintf(stderr, "No audio or video selected\n");
1971 exit(1);
1972 }
1973
1974 if (str_title)
1975 nstrcpy(oc->title, sizeof(oc->title), str_title);
1976 if (str_author)
1977 nstrcpy(oc->author, sizeof(oc->author), str_author);
1978 if (str_copyright)
1979 nstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
1980 if (str_comment)
1981 nstrcpy(oc->comment, sizeof(oc->comment), str_comment);
1982 }
1983
1984 output_files[nb_output_files] = oc;
1985 /* dump the file content */
1986 dump_format(oc, nb_output_files, filename, 1);
1987 nb_output_files++;
1988
1989 strcpy(oc->filename, filename);
1990 if (!(oc->format->flags & AVFMT_NOFILE)) {
1991 /* test if it already exists to avoid loosing precious files */
1992 if (!file_overwrite &&
1993 (strchr(filename, ':') == NULL ||
1994 strstart(filename, "file:", NULL))) {
1995 if (url_exist(filename)) {
1996 int c;
1997
1998 printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
1999 fflush(stdout);
2000 c = getchar();
2001 if (toupper(c) != 'Y') {
2002 fprintf(stderr, "Not overwriting - exiting\n");
2003 exit(1);
2004 }
2005 }
2006 }
2007
2008 /* open the file */
2009 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2010 fprintf(stderr, "Could not open '%s'\n", filename);
2011 exit(1);
2012 }
2013 }
2014
2015 /* reset some options */
2016 file_format = NULL;
2017 audio_disable = 0;
2018 video_disable = 0;
2019 audio_codec_id = CODEC_ID_NONE;
2020 video_codec_id = CODEC_ID_NONE;
2021}
2022
bdc4796f 2023#ifndef CONFIG_WIN32
5727b222
FB
2024INT64 getutime(void)
2025{
2026 struct rusage rusage;
2027
2028 getrusage(RUSAGE_SELF, &rusage);
2029 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2030}
bdc4796f
FB
2031#else
2032INT64 getutime(void)
2033{
2034 return gettime();
2035}
2036#endif
5727b222 2037
85f07f22
FB
2038void show_formats(void)
2039{
2040 AVFormat *f;
2041 URLProtocol *up;
2042 AVCodec *p;
2043 const char **pp;
2044
2045 printf("File formats:\n");
2046 printf(" Encoding:");
2047 for(f = first_format; f != NULL; f = f->next) {
2048 if (f->write_header)
2049 printf(" %s", f->name);
2050 }
2051 printf("\n");
2052 printf(" Decoding:");
2053 for(f = first_format; f != NULL; f = f->next) {
2054 if (f->read_header)
2055 printf(" %s", f->name);
2056 }
2057 printf("\n");
2058
2059 printf("Codecs:\n");
2060 printf(" Encoders:");
2061 for(p = first_avcodec; p != NULL; p = p->next) {
2062 if (p->encode)
2063 printf(" %s", p->name);
2064 }
2065 printf("\n");
2066
2067 printf(" Decoders:");
2068 for(p = first_avcodec; p != NULL; p = p->next) {
2069 if (p->decode)
2070 printf(" %s", p->name);
2071 }
2072 printf("\n");
2073
2074 printf("Supported file protocols:");
2075 for(up = first_protocol; up != NULL; up = up->next)
2076 printf(" %s:", up->name);
2077 printf("\n");
2078
2079 printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2080 printf("Motion estimation methods:");
2081 pp = motion_str;
2082 while (*pp) {
2083 printf(" %s", *pp);
2084 if ((pp - motion_str) == ME_ZERO)
2085 printf("(fastest)");
2086 else if ((pp - motion_str) == ME_FULL)
2087 printf("(slowest)");
2088 else if ((pp - motion_str) == ME_LOG)
2089 printf("(default)");
2090 pp++;
2091 }
2092 printf("\n");
2093 exit(1);
2094}
2095
2096void show_help(void)
2097{
2098 const OptionDef *po;
2099 int i, expert;
2100
2101 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000,2001 Gerard Lantau\n"
2102 "usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2103 "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n"
2104 "\n"
2105 "Main options are:\n");
2106 for(i=0;i<2;i++) {
2107 if (i == 1)
2108 printf("\nAdvanced options are:\n");
2109 for(po = options; po->name != NULL; po++) {
2110 char buf[64];
2111 expert = (po->flags & OPT_EXPERT) != 0;
2112 if (expert == i) {
2113 strcpy(buf, po->name);
2114 if (po->flags & HAS_ARG) {
2115 strcat(buf, " ");
2116 strcat(buf, po->argname);
2117 }
2118 printf("-%-17s %s\n", buf, po->help);
2119 }
2120 }
2121 }
2122
2123 exit(1);
2124}
2125
2126const OptionDef options[] = {
bdc4796f
FB
2127 { "L", 0, {(void*)show_licence}, "show license" },
2128 { "h", 0, {(void*)show_help}, "show help" },
2129 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2130 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2131 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2132 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2133 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2134 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2135 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2136 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2137 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2138 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
85f07f22 2139 /* video options */
bdc4796f
FB
2140 { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2141 { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2142 { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2143 { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2144 { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2145 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2146 { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2147#ifdef CONFIG_GRAB
2148 { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video device", "device" },
2149#endif
2150 { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec", "codec" },
2151 { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
85f07f22 2152 "method" },
bdc4796f 2153 { "sameq", OPT_BOOL, {(void*)&same_quality},
85f07f22
FB
2154 "use same video quality as source (implies VBR)" },
2155 /* audio options */
bdc4796f
FB
2156 { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2157 { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2158 { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2159 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2160#ifdef CONFIG_GRAB
2161 { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2162#endif
2163 { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec", "codec" },
2164 { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace},
cfcf0ffd 2165 "deinterlace pictures" },
bdc4796f 2166 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5727b222 2167 "add timings for benchmarking" },
85f07f22
FB
2168
2169 { NULL, },
2170};
2171
2172int main(int argc, char **argv)
2173{
2174 int optindex, i;
2175 const char *opt, *arg;
2176 const OptionDef *po;
2177
2178 register_all();
2179
2180 if (argc <= 1)
2181 show_help();
2182
2183 optindex = 1;
2184 while (optindex < argc) {
2185 opt = argv[optindex++];
2186
2187 if (opt[0] == '-' && opt[1] != '\0') {
2188 po = options;
2189 while (po->name != NULL) {
2190 if (!strcmp(opt + 1, po->name))
2191 break;
2192 po++;
2193 }
2194 if (!po->name) {
2195 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2196 exit(1);
2197 }
2198 arg = NULL;
2199 if (po->flags & HAS_ARG)
2200 arg = argv[optindex++];
2201 if (po->flags & OPT_STRING) {
2202 char *str;
2203 str = strdup(arg);
2204 *po->u.str_arg = str;
2205 } else if (po->flags & OPT_BOOL) {
2206 *po->u.int_arg = 1;
2207 } else {
2208 po->u.func_arg(arg);
2209 }
2210 } else {
2211 opt_output_file(opt);
2212 }
2213 }
2214
2215
2216 if (nb_input_files == 0) {
bdc4796f 2217#ifdef CONFIG_GRAB
85f07f22
FB
2218 if (nb_output_files != 1) {
2219 fprintf(stderr, "Only one output file supported when grabbing\n");
2220 exit(1);
2221 }
2222 av_grab(output_files[0]);
bdc4796f
FB
2223#else
2224 fprintf(stderr, "Must supply at least one input file\n");
2225#endif
85f07f22 2226 } else {
5727b222
FB
2227 INT64 ti;
2228
85f07f22
FB
2229 if (nb_output_files <= 0) {
2230 fprintf(stderr, "Must supply at least one output file\n");
2231 exit(1);
2232 }
5727b222 2233 ti = getutime();
85f07f22
FB
2234 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2235 stream_maps, nb_stream_maps);
5727b222
FB
2236 ti = getutime() - ti;
2237 if (do_benchmark) {
2238 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2239 }
85f07f22
FB
2240 }
2241
2242 /* close files */
2243 for(i=0;i<nb_output_files;i++) {
2244 if (!(output_files[i]->format->flags & AVFMT_NOFILE))
2245 url_fclose(&output_files[i]->pb);
2246 }
2247 for(i=0;i<nb_input_files;i++) {
2248 if (!(input_files[i]->format->flags & AVFMT_NOFILE))
2249 url_fclose(&input_files[i]->pb);
2250 }
2251
2252 return 0;
2253}