suppressed mpglib option
[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>
85f07f22 27#include <termios.h>
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28#include <sys/time.h>
29#include <sys/resource.h>
85f07f22 30#include <ctype.h>
bdc4796f 31#endif
85f07f22 32
85f07f22 33
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34#define MAXINT64 INT64_C(0x7fffffffffffffff)
35
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36typedef struct {
37 const char *name;
38 int flags;
39#define HAS_ARG 0x0001
40#define OPT_BOOL 0x0002
41#define OPT_EXPERT 0x0004
42#define OPT_STRING 0x0008
43 union {
44 void (*func_arg)();
45 int *int_arg;
46 char **str_arg;
47 } u;
48 const char *help;
49 const char *argname;
50} OptionDef;
51
52/* select an input stream for an output stream */
53typedef struct AVStreamMap {
54 int file_index;
55 int stream_index;
56} AVStreamMap;
57
58extern const OptionDef options[];
59
60void show_help(void);
61
62#define MAX_FILES 20
63
64static AVFormatContext *input_files[MAX_FILES];
65static int nb_input_files = 0;
66
67static AVFormatContext *output_files[MAX_FILES];
68static int nb_output_files = 0;
69
70static AVStreamMap stream_maps[MAX_FILES];
71static int nb_stream_maps;
72
73static AVFormat *file_format;
74static int frame_width = 160;
75static int frame_height = 128;
76static int frame_rate = 25 * FRAME_RATE_BASE;
77static int video_bit_rate = 200000;
78static int video_qscale = 0;
79static int video_disable = 0;
80static int video_codec_id = CODEC_ID_NONE;
81static int same_quality = 0;
cfcf0ffd 82static int do_deinterlace = 0;
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83
84static int gop_size = 12;
85static int intra_only = 0;
86static int audio_sample_rate = 44100;
87static int audio_bit_rate = 64000;
88static int audio_disable = 0;
89static int audio_channels = 1;
90static int audio_codec_id = CODEC_ID_NONE;
91
92static INT64 recording_time = 0;
93static int file_overwrite = 0;
94static char *str_title = NULL;
95static char *str_author = NULL;
96static char *str_copyright = NULL;
97static char *str_comment = NULL;
5727b222 98static int do_benchmark = 0;
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99
100typedef struct AVOutputStream {
101 int file_index; /* file index */
102 int index; /* stream index in the output file */
103 int source_index; /* AVInputStream index */
104 AVStream *st; /* stream in the output file */
105 int encoding_needed; /* true if encoding needed for this stream */
106
107 int fifo_packet_rptr; /* read index in the corresponding
108 avinputstream packet fifo */
109 /* video only */
110 AVPicture pict_tmp; /* temporary image for resizing */
111 int video_resample;
112 ImgReSampleContext *img_resample_ctx; /* for image resampling */
113
114 /* audio only */
115 int audio_resample;
116 ReSampleContext *resample; /* for audio resampling */
117 FifoBuffer fifo; /* for compression: one audio fifo per codec */
118} AVOutputStream;
119
120typedef struct AVInputStream {
121 int file_index;
122 int index;
123 AVStream *st;
124 int discard; /* true if stream data should be discarded */
125 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
126 INT64 pts; /* current pts */
127 int frame_number; /* current frame */
128 INT64 sample_index; /* current sample */
129} AVInputStream;
130
131typedef struct AVInputFile {
132 int eof_reached; /* true if eof reached */
133 int ist_index; /* index of first stream in ist_table */
134 int buffer_size; /* current total buffer size */
135 int buffer_size_max; /* buffer size at which we consider we can stop
136 buffering */
137} AVInputFile;
138
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139#ifndef CONFIG_WIN32
140
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141/* init terminal so that we can grab keys */
142static struct termios oldtty;
143
144static void term_exit(void)
145{
146 tcsetattr (0, TCSANOW, &oldtty);
147}
148
149static void term_init(void)
150{
151 struct termios tty;
152
153 tcgetattr (0, &tty);
154 oldtty = tty;
155
156 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
157 |INLCR|IGNCR|ICRNL|IXON);
158 tty.c_oflag |= OPOST;
159 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
160 tty.c_cflag &= ~(CSIZE|PARENB);
161 tty.c_cflag |= CS8;
162 tty.c_cc[VMIN] = 1;
163 tty.c_cc[VTIME] = 0;
164
165 tcsetattr (0, TCSANOW, &tty);
166
167 atexit(term_exit);
168}
169
170/* read a key without blocking */
171static int read_key(void)
172{
173 struct timeval tv;
174 int n;
175 unsigned char ch;
176 fd_set rfds;
177
178 FD_ZERO(&rfds);
179 FD_SET(0, &rfds);
180 tv.tv_sec = 0;
181 tv.tv_usec = 0;
182 n = select(1, &rfds, NULL, NULL, &tv);
183 if (n > 0) {
184 if (read(0, &ch, 1) == 1)
185 return ch;
186 }
187 return -1;
188}
189
190#define AUDIO_FIFO_SIZE 8192
191
192/* main loop for grabbing */
193int av_grab(AVFormatContext *s)
194{
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195 UINT8 audio_buf[AUDIO_FIFO_SIZE];
196 UINT8 audio_buf1[AUDIO_FIFO_SIZE];
197 UINT8 audio_out[AUDIO_FIFO_SIZE];
544286b3 198 UINT8 video_buffer[1024*1024];
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199 char buf[256];
200 short *samples;
201 URLContext *audio_handle = NULL, *video_handle = NULL;
202 int ret;
203 AVCodecContext *enc, *first_video_enc = NULL;
204 int frame_size, frame_bytes;
205 int use_audio, use_video;
206 int frame_rate, sample_rate, channels;
207 int width, height, frame_number, i, pix_fmt = 0;
208 AVOutputStream *ost_table[s->nb_streams], *ost;
209 UINT8 *picture_in_buf = NULL, *picture_420p = NULL;
210 int audio_fifo_size = 0, picture_size = 0;
211 INT64 time_start;
212
213 /* init output stream info */
214 for(i=0;i<s->nb_streams;i++)
215 ost_table[i] = NULL;
216
217 /* output stream init */
218 for(i=0;i<s->nb_streams;i++) {
219 ost = av_mallocz(sizeof(AVOutputStream));
220 if (!ost)
221 goto fail;
222 ost->index = i;
223 ost->st = s->streams[i];
224 ost_table[i] = ost;
225 }
226
227 use_audio = 0;
228 use_video = 0;
229 frame_rate = 0;
230 sample_rate = 0;
231 frame_size = 0;
232 channels = 1;
233 width = 0;
234 height = 0;
235 frame_number = 0;
236
237 for(i=0;i<s->nb_streams;i++) {
238 AVCodec *codec;
239
240 ost = ost_table[i];
241 enc = &ost->st->codec;
242 codec = avcodec_find_encoder(enc->codec_id);
243 if (!codec) {
244 fprintf(stderr, "Unknown codec\n");
245 return -1;
246 }
247 if (avcodec_open(enc, codec) < 0) {
248 fprintf(stderr, "Incorrect encode parameters\n");
249 return -1;
250 }
251 switch(enc->codec_type) {
252 case CODEC_TYPE_AUDIO:
253 use_audio = 1;
254 if (enc->sample_rate > sample_rate)
255 sample_rate = enc->sample_rate;
256 if (enc->frame_size > frame_size)
257 frame_size = enc->frame_size;
258 if (enc->channels > channels)
259 channels = enc->channels;
260 break;
261 case CODEC_TYPE_VIDEO:
262 if (!first_video_enc)
263 first_video_enc = enc;
264 use_video = 1;
265 if (enc->frame_rate > frame_rate)
266 frame_rate = enc->frame_rate;
267 if (enc->width > width)
268 width = enc->width;
269 if (enc->height > height)
270 height = enc->height;
271 break;
272 }
273 }
274
275 /* audio */
276 samples = NULL;
277 if (use_audio) {
278 snprintf(buf, sizeof(buf), "audio:%d,%d", sample_rate, channels);
279 ret = url_open(&audio_handle, buf, URL_RDONLY);
280 if (ret < 0) {
281 fprintf(stderr, "Could not open audio device: disabling audio capture\n");
282 use_audio = 0;
283 } else {
284 URLFormat f;
285 /* read back exact grab parameters */
286 if (url_getformat(audio_handle, &f) < 0) {
287 fprintf(stderr, "could not read back video grab parameters\n");
288 goto fail;
289 }
290 sample_rate = f.sample_rate;
291 channels = f.channels;
292 audio_fifo_size = ((AUDIO_FIFO_SIZE / 2) / audio_handle->packet_size) *
293 audio_handle->packet_size;
294 fprintf(stderr, "Audio sampling: %d Hz, %s\n",
295 sample_rate, channels == 2 ? "stereo" : "mono");
296 }
297 }
298
299 /* video */
300 if (use_video) {
301 snprintf(buf, sizeof(buf), "video:%d,%d,%f",
302 width, height, (float)frame_rate / FRAME_RATE_BASE);
303
304 ret = url_open(&video_handle, buf, URL_RDONLY);
305 if (ret < 0) {
306 fprintf(stderr,"Could not init video 4 linux capture: disabling video capture\n");
307 use_video = 0;
308 } else {
309 URLFormat f;
310 const char *pix_fmt_str;
311 /* read back exact grab parameters */
312 if (url_getformat(video_handle, &f) < 0) {
313 fprintf(stderr, "could not read back video grab parameters\n");
314 goto fail;
315 }
316 width = f.width;
317 height = f.height;
318 pix_fmt = f.pix_fmt;
319 switch(pix_fmt) {
320 case PIX_FMT_YUV420P:
321 pix_fmt_str = "420P";
322 break;
323 case PIX_FMT_YUV422:
324 pix_fmt_str = "422";
325 break;
326 case PIX_FMT_RGB24:
327 pix_fmt_str = "RGB24";
328 break;
329 case PIX_FMT_BGR24:
330 pix_fmt_str = "BGR24";
331 break;
332 default:
333 pix_fmt_str = "???";
334 break;
335 }
336 picture_size = video_handle->packet_size;
337 picture_in_buf = malloc(picture_size);
338 if (!picture_in_buf)
339 goto fail;
340 /* allocate a temporary picture if not grabbing in 420P format */
341 if (pix_fmt != PIX_FMT_YUV420P) {
342 picture_420p = malloc((width * height * 3) / 2);
343 }
344 fprintf(stderr, "Video sampling: %dx%d, %s format, %0.2f fps\n",
345 width, height, pix_fmt_str, (float)frame_rate / FRAME_RATE_BASE);
346 }
347 }
348
349 if (!use_video && !use_audio) {
350 fprintf(stderr,"Could not open grab devices : exiting\n");
351 exit(1);
352 }
353
354 /* init built in conversion functions */
355 for(i=0;i<s->nb_streams;i++) {
356 ost = ost_table[i];
357 enc = &ost->st->codec;
358 switch(enc->codec_type) {
359 case CODEC_TYPE_AUDIO:
360 ost->audio_resample = 0;
361 if ((enc->channels != channels ||
362 enc->sample_rate != sample_rate)) {
363 ost->audio_resample = 1;
364 ost->resample = audio_resample_init(enc->channels, channels,
365 enc->sample_rate, sample_rate);
366 }
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367 if (fifo_init(&ost->fifo, (2 * audio_fifo_size * enc->sample_rate *
368 enc->channels) / sample_rate))
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369 goto fail;
370 break;
371 case CODEC_TYPE_VIDEO:
372 ost->video_resample = 0;
373 if (enc->width != width ||
374 enc->height != height) {
375 UINT8 *buf;
376 ost->video_resample = 1;
377 buf = malloc((enc->width * enc->height * 3) / 2);
378 if (!buf)
379 goto fail;
380 ost->pict_tmp.data[0] = buf;
381 ost->pict_tmp.data[1] = buf + enc->width * height;
382 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (enc->width * height) / 4;
383 ost->pict_tmp.linesize[0] = enc->width;
384 ost->pict_tmp.linesize[1] = enc->width / 2;
385 ost->pict_tmp.linesize[2] = enc->width / 2;
386 ost->img_resample_ctx = img_resample_init(
387 ost->st->codec.width, ost->st->codec.height,
388 width, height);
389 }
390 }
391 }
392
393 fprintf(stderr, "Press [q] to stop encoding\n");
394
395 s->format->write_header(s);
396 time_start = gettime();
397 term_init();
398
399 for(;;) {
400 /* if 'q' pressed, exits */
401 if (read_key() == 'q')
402 break;
403
404 /* read & compress audio frames */
405 if (use_audio) {
406 int ret, nb_samples, nb_samples_out;
407 UINT8 *buftmp;
408
409 for(;;) {
410 ret = url_read(audio_handle, audio_buf, audio_fifo_size);
411 if (ret <= 0)
412 break;
413 /* fill each codec fifo by doing the right sample
414 rate conversion. This is not optimal because we
415 do too much work, but it is easy to do */
416 nb_samples = ret / (channels * 2);
417 for(i=0;i<s->nb_streams;i++) {
418 ost = ost_table[i];
419 enc = &ost->st->codec;
420 if (enc->codec_type == CODEC_TYPE_AUDIO) {
421 /* rate & stereo convertion */
422 if (!ost->audio_resample) {
423 buftmp = audio_buf;
424 nb_samples_out = nb_samples;
425 } else {
426 buftmp = audio_buf1;
427 nb_samples_out = audio_resample(ost->resample,
428 (short *)buftmp, (short *)audio_buf,
429 nb_samples);
430 }
431 fifo_write(&ost->fifo, buftmp, nb_samples_out * enc->channels * 2,
432 &ost->fifo.wptr);
433 }
434 }
435
436 /* compress as many frame as possible with each audio codec */
437 for(i=0;i<s->nb_streams;i++) {
438 ost = ost_table[i];
439 enc = &ost->st->codec;
440 if (enc->codec_type == CODEC_TYPE_AUDIO) {
441 frame_bytes = enc->frame_size * 2 * enc->channels;
442
443 while (fifo_read(&ost->fifo, audio_buf,
444 frame_bytes, &ost->fifo.rptr) == 0) {
445 ret = avcodec_encode_audio(enc,
446 audio_out, sizeof(audio_out),
447 (short *)audio_buf);
448 s->format->write_packet(s, ost->index, audio_out, ret);
449 }
450 }
451 }
452 }
453 }
454
455 if (use_video) {
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456 AVPicture *picture1, *picture2, *picture;
457 AVPicture picture_tmp0, picture_tmp1;
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458
459 ret = url_read(video_handle, picture_in_buf, picture_size);
460 if (ret < 0)
461 break;
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462
463 picture2 = &picture_tmp0;
464 avpicture_fill(picture2, picture_in_buf, pix_fmt, width, height);
465
85f07f22 466 if (pix_fmt != PIX_FMT_YUV420P) {
cfcf0ffd 467 picture = &picture_tmp1;
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468 avpicture_fill(picture, picture_420p,
469 PIX_FMT_YUV420P, width, height);
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470 img_convert(picture, PIX_FMT_YUV420P,
471 picture2, pix_fmt,
472 width, height);
85f07f22 473 } else {
cfcf0ffd 474 picture = picture2;
85f07f22 475 }
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476
477 for(i=0;i<s->nb_streams;i++) {
478 ost = ost_table[i];
479 enc = &ost->st->codec;
480 if (enc->codec_type == CODEC_TYPE_VIDEO) {
481 int n1, n2, nb;
482
483 /* feed each codec with its requested frame rate */
484 n1 = ((INT64)frame_number * enc->frame_rate) / frame_rate;
485 n2 = (((INT64)frame_number + 1) * enc->frame_rate) / frame_rate;
486 nb = n2 - n1;
487 if (nb > 0) {
488 /* resize the picture if needed */
489 if (ost->video_resample) {
490 picture1 = &ost->pict_tmp;
491 img_resample(ost->img_resample_ctx,
cfcf0ffd 492 picture1, picture);
85f07f22 493 } else {
cfcf0ffd 494 picture1 = picture;
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495 }
496 ret = avcodec_encode_video(enc, video_buffer,
497 sizeof(video_buffer),
498 picture1);
499 s->format->write_packet(s, ost->index, video_buffer, ret);
500 }
501 }
502 }
503 frame_number++;
504 }
505
506 /* write report */
507 {
508 char buf[1024];
509 INT64 total_size;
510 float ti, bitrate;
511 static float last_ti;
512 INT64 ti1;
513
514 total_size = url_ftell(&s->pb);
515 ti1 = gettime() - time_start;
516 /* check elapsed time */
517 if (recording_time && ti1 >= recording_time)
518 break;
519
520 ti = ti1 / 1000000.0;
521 if (ti < 0.1)
522 ti = 0.1;
523 /* dispaly twice per second */
524 if ((ti - last_ti) >= 0.5) {
525 last_ti = ti;
526 bitrate = (int)((total_size * 8) / ti / 1000.0);
527
528 buf[0] = '\0';
529 if (use_video) {
530 sprintf(buf + strlen(buf), "frame=%5d fps=%4.1f q=%2d ",
531 frame_number, (float)frame_number / ti, first_video_enc->quality);
532 }
533
534 sprintf(buf + strlen(buf), "size=%8LdkB time=%0.1f bitrate=%6.1fkbits/s",
535 total_size / 1024, ti, bitrate);
536 fprintf(stderr, "%s \r", buf);
537 fflush(stderr);
538 }
539 }
540 }
541 term_exit();
542
543 for(i=0;i<s->nb_streams;i++) {
544 ost = ost_table[i];
545 enc = &ost->st->codec;
546 avcodec_close(enc);
547 }
548 s->format->write_trailer(s);
549
550 if (audio_handle)
551 url_close(audio_handle);
552
553 if (video_handle)
554 url_close(video_handle);
555
556 /* write report */
557 {
558 float ti, bitrate;
559 INT64 total_size;
560
561 total_size = url_ftell(&s->pb);
562
563 ti = (gettime() - time_start) / 1000000.0;
564 if (ti < 0.1)
565 ti = 0.1;
566 bitrate = (int)((total_size * 8) / ti / 1000.0);
567
568 fprintf(stderr, "\033[K\nTotal time = %0.1f s, %Ld KBytes, %0.1f kbits/s\n",
569 ti, total_size / 1024, bitrate);
570 if (use_video) {
571 fprintf(stderr, "Total frames = %d\n", frame_number);
572 }
573 }
574
575 ret = 0;
576 fail1:
577 if (picture_in_buf)
578 free(picture_in_buf);
579 if (picture_420p)
580 free(picture_420p);
581 for(i=0;i<s->nb_streams;i++) {
582 ost = ost_table[i];
583 if (ost) {
584 if (ost->fifo.buffer)
585 fifo_free(&ost->fifo);
586 if (ost->pict_tmp.data[0])
587 free(ost->pict_tmp.data[0]);
588 if (ost->video_resample)
589 img_resample_close(ost->img_resample_ctx);
590 if (ost->audio_resample)
591 audio_resample_close(ost->resample);
592 free(ost);
593 }
594 }
595 return ret;
596 fail:
597 ret = -ENOMEM;
598 goto fail1;
599}
600
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601#endif /* CONFIG_WIN32 */
602
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603int read_ffserver_streams(AVFormatContext *s, const char *filename)
604{
605 int i;
606 AVFormatContext *ic;
607
608 ic = av_open_input_file(filename, FFM_PACKET_SIZE);
609 if (!ic)
610 return -EIO;
611 /* copy stream format */
612 s->nb_streams = ic->nb_streams;
613 for(i=0;i<ic->nb_streams;i++) {
614 AVStream *st;
615 st = av_mallocz(sizeof(AVFormatContext));
616 memcpy(st, ic->streams[i], sizeof(AVStream));
617 s->streams[i] = st;
618 }
619
620 av_close_input_file(ic);
621 return 0;
622}
623
624#define MAX_AUDIO_PACKET_SIZE 16384
625
626static void do_audio_out(AVFormatContext *s,
627 AVOutputStream *ost,
628 AVInputStream *ist,
629 unsigned char *buf, int size)
630{
631 UINT8 *buftmp;
632 UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
633 UINT8 audio_out[MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
634 int size_out, frame_bytes, ret;
635 AVCodecContext *enc;
636
637 enc = &ost->st->codec;
638
639 if (ost->audio_resample) {
640 buftmp = audio_buf;
641 size_out = audio_resample(ost->resample,
642 (short *)buftmp, (short *)buf,
643 size / (ist->st->codec.channels * 2));
644 size_out = size_out * enc->channels * 2;
645 } else {
646 buftmp = buf;
647 size_out = size;
648 }
649
650 /* now encode as many frames as possible */
651 if (enc->codec_id != CODEC_ID_PCM) {
652 /* output resampled raw samples */
653 fifo_write(&ost->fifo, buftmp, size_out,
654 &ost->fifo.wptr);
655
656 frame_bytes = enc->frame_size * 2 * enc->channels;
657
658 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
659 &ost->fifo.rptr) == 0) {
660 ret = avcodec_encode_audio(enc,
661 audio_out, sizeof(audio_out), (short *)audio_buf);
662 s->format->write_packet(s, ost->index, audio_out, ret);
663 }
664 } else {
665 /* XXX: handle endianness */
666 s->format->write_packet(s, ost->index, buftmp, size_out);
667 }
668}
669
670/* write a picture to a raw mux */
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671static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
672 int pix_fmt, int w, int h)
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673{
674 UINT8 *buf, *src, *dest;
675 int size, j, i;
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676
677 size = avpicture_get_size(pix_fmt, w, h);
678 buf = malloc(size);
679 if (!buf)
680 return;
681
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682 /* XXX: not efficient, should add test if we can take
683 directly the AVPicture */
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684 switch(pix_fmt) {
685 case PIX_FMT_YUV420P:
686 dest = buf;
687 for(i=0;i<3;i++) {
688 if (i == 1) {
689 w >>= 1;
690 h >>= 1;
691 }
692 src = picture->data[i];
693 for(j=0;j<h;j++) {
694 memcpy(dest, src, w);
695 dest += w;
696 src += picture->linesize[i];
697 }
698 }
699 break;
700 case PIX_FMT_YUV422P:
701 size = (w * h) * 2;
702 buf = malloc(size);
703 dest = buf;
704 for(i=0;i<3;i++) {
705 if (i == 1) {
706 w >>= 1;
707 }
708 src = picture->data[i];
709 for(j=0;j<h;j++) {
710 memcpy(dest, src, w);
711 dest += w;
712 src += picture->linesize[i];
713 }
714 }
715 break;
716 case PIX_FMT_YUV444P:
717 size = (w * h) * 3;
718 buf = malloc(size);
719 dest = buf;
720 for(i=0;i<3;i++) {
721 src = picture->data[i];
722 for(j=0;j<h;j++) {
723 memcpy(dest, src, w);
724 dest += w;
725 src += picture->linesize[i];
726 }
727 }
728 break;
729 case PIX_FMT_YUV422:
730 size = (w * h) * 2;
731 buf = malloc(size);
732 dest = buf;
733 src = picture->data[0];
734 for(j=0;j<h;j++) {
735 memcpy(dest, src, w * 2);
736 dest += w * 2;
737 src += picture->linesize[0];
85f07f22 738 }
cfcf0ffd
FB
739 break;
740 case PIX_FMT_RGB24:
741 case PIX_FMT_BGR24:
742 size = (w * h) * 3;
743 buf = malloc(size);
744 dest = buf;
745 src = picture->data[0];
85f07f22 746 for(j=0;j<h;j++) {
cfcf0ffd
FB
747 memcpy(dest, src, w * 3);
748 dest += w * 3;
749 src += picture->linesize[0];
85f07f22 750 }
cfcf0ffd
FB
751 break;
752 default:
753 return;
85f07f22
FB
754 }
755 s->format->write_packet(s, index, buf, size);
756 free(buf);
757}
758
759
760static void do_video_out(AVFormatContext *s,
761 AVOutputStream *ost,
762 AVInputStream *ist,
cfcf0ffd 763 AVPicture *picture1)
85f07f22
FB
764{
765 int n1, n2, nb, i, ret, frame_number;
cfcf0ffd
FB
766 AVPicture *picture, *picture2, *pict;
767 AVPicture picture_tmp1, picture_tmp2;
544286b3 768 UINT8 video_buffer[1024*1024];
cfcf0ffd
FB
769 UINT8 *buf = NULL, *buf1 = NULL;
770 AVCodecContext *enc, *dec;
85f07f22
FB
771
772 enc = &ost->st->codec;
cfcf0ffd 773 dec = &ist->st->codec;
85f07f22
FB
774
775 frame_number = ist->frame_number;
776 /* first drop frame if needed */
cfcf0ffd
FB
777 n1 = ((INT64)frame_number * enc->frame_rate) / dec->frame_rate;
778 n2 = (((INT64)frame_number + 1) * enc->frame_rate) / dec->frame_rate;
85f07f22
FB
779 nb = n2 - n1;
780 if (nb <= 0)
781 return;
782
cfcf0ffd
FB
783 /* deinterlace : must be done before any resize */
784 if (do_deinterlace) {
785 int size;
786
787 /* create temporary picture */
788 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
789 buf1 = malloc(size);
790 if (!buf1)
791 return;
792
793 picture2 = &picture_tmp2;
794 avpicture_fill(picture2, buf1, dec->pix_fmt, dec->width, dec->height);
795
796 if (avpicture_deinterlace(picture2, picture1,
797 dec->pix_fmt, dec->width, dec->height) < 0) {
798 /* if error, do not deinterlace */
799 free(buf1);
800 buf1 = NULL;
801 picture2 = picture1;
802 }
803 } else {
804 picture2 = picture1;
805 }
806
807 /* convert pixel format if needed */
808 if (enc->pix_fmt != dec->pix_fmt) {
809 int size;
810
811 /* create temporary picture */
812 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
813 buf = malloc(size);
814 if (!buf)
815 return;
816 pict = &picture_tmp1;
817 avpicture_fill(pict, buf, enc->pix_fmt, dec->width, dec->height);
818
819 if (img_convert(pict, enc->pix_fmt,
820 picture2, dec->pix_fmt,
821 dec->width, dec->height) < 0) {
822 fprintf(stderr, "pixel format conversion not handled\n");
823 goto the_end;
824 }
825 } else {
826 pict = picture2;
827 }
828
829 /* XXX: resampling could be done before raw format convertion in
830 some cases to go faster */
831 /* XXX: only works for YUV420P */
85f07f22
FB
832 if (ost->video_resample) {
833 picture = &ost->pict_tmp;
834 img_resample(ost->img_resample_ctx, picture, pict);
835 } else {
836 picture = pict;
837 }
838
839 /* duplicates frame if needed */
840 /* XXX: pb because no interleaving */
841 for(i=0;i<nb;i++) {
842 if (enc->codec_id != CODEC_ID_RAWVIDEO) {
843 /* handles sameq here. This is not correct because it may
844 not be a global option */
845 if (same_quality) {
cfcf0ffd 846 enc->quality = dec->quality;
85f07f22 847 }
cfcf0ffd 848 ret = avcodec_encode_video(enc,
85f07f22
FB
849 video_buffer, sizeof(video_buffer),
850 picture);
851 s->format->write_packet(s, ost->index, video_buffer, ret);
852 } else {
cfcf0ffd 853 write_picture(s, ost->index, picture, enc->pix_fmt, enc->width, enc->height);
85f07f22
FB
854 }
855 }
cfcf0ffd
FB
856 the_end:
857 if (buf)
858 free(buf);
859 if (buf1)
860 free(buf1);
85f07f22
FB
861}
862
863//#define HEX_DUMP
864
865#ifdef HEX_DUMP
866static void hex_dump(UINT8 *buf, int size)
867{
868 int len, i, j, c;
869
870 for(i=0;i<size;i+=16) {
871 len = size - i;
872 if (len > 16)
873 len = 16;
874 printf("%08x ", i);
875 for(j=0;j<16;j++) {
876 if (j < len)
877 printf(" %02x", buf[i+j]);
878 else
879 printf(" ");
880 }
881 printf(" ");
882 for(j=0;j<len;j++) {
883 c = buf[i+j];
884 if (c < ' ' || c > '~')
885 c = '.';
886 printf("%c", c);
887 }
888 printf("\n");
889 }
890}
891#endif
892
893/*
894 * The following code is the main loop of the file converter
895 */
896static int av_encode(AVFormatContext **output_files,
897 int nb_output_files,
898 AVFormatContext **input_files,
899 int nb_input_files,
900 AVStreamMap *stream_maps, int nb_stream_maps)
901{
bdc4796f 902 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
FB
903 AVFormatContext *is, *os;
904 AVCodecContext *codec, *icodec;
905 AVOutputStream *ost, **ost_table = NULL;
906 AVInputStream *ist, **ist_table = NULL;
907 INT64 min_pts, start_time;
bdc4796f
FB
908 AVInputFile *file_table;
909
910 file_table= (AVInputFile*) malloc(nb_input_files * sizeof(AVInputFile));
911 if (!file_table)
912 goto fail;
85f07f22
FB
913
914 memset(file_table, 0, sizeof(file_table));
915
916 /* input stream init */
917 j = 0;
918 for(i=0;i<nb_input_files;i++) {
919 is = input_files[i];
920 file_table[i].ist_index = j;
921 j += is->nb_streams;
922 }
923 nb_istreams = j;
924
925 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
926 if (!ist_table)
bdc4796f 927 goto fail;
85f07f22
FB
928
929 for(i=0;i<nb_istreams;i++) {
930 ist = av_mallocz(sizeof(AVInputStream));
931 if (!ist)
932 goto fail;
933 ist_table[i] = ist;
934 }
935 j = 0;
936 for(i=0;i<nb_input_files;i++) {
937 is = input_files[i];
938 for(k=0;k<is->nb_streams;k++) {
939 ist = ist_table[j++];
940 ist->st = is->streams[k];
941 ist->file_index = i;
942 ist->index = k;
943 ist->discard = 1; /* the stream is discarded by default
944 (changed later) */
945 }
946 }
947
948 /* output stream init */
949 nb_ostreams = 0;
950 for(i=0;i<nb_output_files;i++) {
951 os = output_files[i];
952 nb_ostreams += os->nb_streams;
953 }
954 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
955 fprintf(stderr, "Number of stream maps must match number of output streams\n");
956 exit(1);
957 }
958
959 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
960 if (!ost_table)
961 goto fail;
962 for(i=0;i<nb_ostreams;i++) {
963 ost = av_mallocz(sizeof(AVOutputStream));
964 if (!ost)
965 goto fail;
966 ost_table[i] = ost;
967 }
968
969 n = 0;
970 for(k=0;k<nb_output_files;k++) {
971 os = output_files[k];
972 for(i=0;i<os->nb_streams;i++) {
973 int found;
974 ost = ost_table[n++];
975 ost->file_index = k;
976 ost->index = i;
977 ost->st = os->streams[i];
978 if (nb_stream_maps > 0) {
979 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
980 stream_maps[n-1].stream_index;
981 } else {
982 /* get corresponding input stream index : we select the first one with the right type */
983 found = 0;
984 for(j=0;j<nb_istreams;j++) {
985 ist = ist_table[j];
986 if (ist->discard &&
987 ist->st->codec.codec_type == ost->st->codec.codec_type) {
988 ost->source_index = j;
989 found = 1;
990 }
991 }
992
993 if (!found) {
994 /* try again and reuse existing stream */
995 for(j=0;j<nb_istreams;j++) {
996 ist = ist_table[j];
997 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
998 ost->source_index = j;
999 found = 1;
1000 }
1001 }
1002 if (!found) {
1003 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1004 ost->file_index, ost->index);
1005 exit(1);
1006 }
1007 }
1008 }
1009 ist = ist_table[ost->source_index];
1010 ist->discard = 0;
1011 }
1012 }
1013
1014 /* dump the stream mapping */
1015 fprintf(stderr, "Stream mapping:\n");
1016 for(i=0;i<nb_ostreams;i++) {
1017 ost = ost_table[i];
1018 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1019 ist_table[ost->source_index]->file_index,
1020 ist_table[ost->source_index]->index,
1021 ost->file_index,
1022 ost->index);
1023 }
1024
1025 /* for each output stream, we compute the right encoding parameters */
1026 for(i=0;i<nb_ostreams;i++) {
1027 ost = ost_table[i];
1028 ist = ist_table[ost->source_index];
1029
1030 codec = &ost->st->codec;
1031 icodec = &ist->st->codec;
1032
1033 switch(codec->codec_type) {
1034 case CODEC_TYPE_AUDIO:
1035 /* check if same codec with same parameters. If so, no
1036 reencoding is needed */
1037 if (codec->codec_id == icodec->codec_id &&
1038 codec->bit_rate == icodec->bit_rate &&
1039 codec->sample_rate == icodec->sample_rate &&
1040 codec->channels == icodec->channels) {
1041 /* no reencoding */
1042 } else {
1043 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1044 goto fail;
1045
1046 if (codec->channels == icodec->channels &&
1047 codec->sample_rate == icodec->sample_rate) {
1048 ost->audio_resample = 0;
1049 } else {
1050 ost->audio_resample = 1;
1051 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1052 codec->sample_rate,
1053 icodec->sample_rate);
1054 }
1055 ist->decoding_needed = 1;
1056 ost->encoding_needed = 1;
1057 }
1058 break;
1059 case CODEC_TYPE_VIDEO:
1060 /* check if same codec with same parameters. If so, no
1061 reencoding is needed */
1062 if (codec->codec_id == icodec->codec_id &&
1063 codec->bit_rate == icodec->bit_rate &&
1064 codec->frame_rate == icodec->frame_rate &&
1065 codec->width == icodec->width &&
1066 codec->height == icodec->height) {
1067 /* no reencoding */
1068 } else {
1069 if (codec->width == icodec->width &&
1070 codec->height == icodec->height) {
1071 ost->video_resample = 0;
1072 } else {
1073 UINT8 *buf;
1074 ost->video_resample = 1;
1075 buf = malloc((codec->width * codec->height * 3) / 2);
1076 if (!buf)
1077 goto fail;
1078 ost->pict_tmp.data[0] = buf;
1079 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1080 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1081 ost->pict_tmp.linesize[0] = codec->width;
1082 ost->pict_tmp.linesize[1] = codec->width / 2;
1083 ost->pict_tmp.linesize[2] = codec->width / 2;
1084
1085 ost->img_resample_ctx = img_resample_init(
1086 ost->st->codec.width, ost->st->codec.height,
1087 ist->st->codec.width, ist->st->codec.height);
1088 }
1089 ost->encoding_needed = 1;
1090 ist->decoding_needed = 1;
1091 }
1092 break;
1093 }
1094 }
1095
1096 /* open each encoder */
1097 for(i=0;i<nb_ostreams;i++) {
1098 ost = ost_table[i];
1099 if (ost->encoding_needed) {
1100 AVCodec *codec;
1101 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1102 if (!codec) {
1103 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1104 ost->file_index, ost->index);
1105 exit(1);
1106 }
1107 if (avcodec_open(&ost->st->codec, codec) < 0) {
1108 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1109 ost->file_index, ost->index);
1110 exit(1);
1111 }
1112 }
1113 }
1114
1115 /* open each decoder */
1116 for(i=0;i<nb_istreams;i++) {
1117 ist = ist_table[i];
1118 if (ist->decoding_needed) {
1119 AVCodec *codec;
1120 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1121 if (!codec) {
1122 fprintf(stderr, "Unsupported codec for input stream #%d.%d\n",
1123 ist->file_index, ist->index);
1124 exit(1);
1125 }
1126 if (avcodec_open(&ist->st->codec, codec) < 0) {
1127 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1128 ist->file_index, ist->index);
1129 exit(1);
1130 }
1131 }
1132 }
1133
1134 /* init pts */
1135 for(i=0;i<nb_istreams;i++) {
1136 ist = ist_table[i];
1137 ist->pts = 0;
1138 ist->frame_number = 0;
1139 }
1140
1141 /* compute buffer size max (should use a complete heuristic) */
1142 for(i=0;i<nb_input_files;i++) {
1143 file_table[i].buffer_size_max = 2048;
1144 }
1145
1146 /* open files and write file headers */
1147 for(i=0;i<nb_output_files;i++) {
1148 os = output_files[i];
1149 os->format->write_header(os);
1150 }
1151
1152 start_time = gettime();
1153 min_pts = 0;
1154 for(;;) {
1155 int file_index, ist_index;
1156 AVPacket pkt;
1157 UINT8 *ptr;
1158 int len;
1159 UINT8 *data_buf;
1160 int data_size, got_picture;
1161 AVPicture picture;
1162 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1163
1164 /* select the input file with the smallest pts */
1165 redo:
1166 file_index = -1;
bdc4796f 1167 min_pts = MAXINT64;
85f07f22
FB
1168 for(i=0;i<nb_istreams;i++) {
1169 ist = ist_table[i];
1170 if (!ist->discard && !file_table[ist->file_index].eof_reached && ist->pts < min_pts) {
1171 min_pts = ist->pts;
1172 file_index = ist->file_index;
1173 }
1174 }
1175 /* if none, if is finished */
1176 if (file_index < 0)
1177 break;
1178 /* finish if recording time exhausted */
1179 if (recording_time > 0 && min_pts >= recording_time)
1180 break;
1181 /* read a packet from it and output it in the fifo */
1182
1183 is = input_files[file_index];
1184 if (av_read_packet(is, &pkt) < 0) {
1185 file_table[file_index].eof_reached = 1;
1186 continue;
1187 }
1188 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1189 ist = ist_table[ist_index];
1190 if (ist->discard) {
1191 continue;
1192 }
1193
1194#ifdef HEX_DUMP
1195 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1196 hex_dump(pkt.data, pkt.size);
1197#endif
1198
1199 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1200
1201 len = pkt.size;
1202 ptr = pkt.data;
1203 while (len > 0) {
1204
1205 /* decode the packet if needed */
1206 data_buf = NULL; /* fail safe */
1207 data_size = 0;
1208 if (ist->decoding_needed) {
1209 switch(ist->st->codec.codec_type) {
1210 case CODEC_TYPE_AUDIO:
1211 if (ist->st->codec.codec_id == CODEC_ID_PCM) {
1212 /* no need to call a codec */
1213 data_buf = ptr;
1214 data_size = len;
1215 ret = len;
1216 } else {
1217 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1218 ptr, len);
1219 if (ret < 0)
1220 goto fail_decode;
1221 if (data_size == 0) {
1222 /* no audio frame */
1223 ptr += ret;
1224 len -= ret;
1225 continue;
1226 }
1227 data_buf = (UINT8 *)samples;
1228 }
1229 break;
1230 case CODEC_TYPE_VIDEO:
1231 if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1232 int size;
1233 size = (ist->st->codec.width * ist->st->codec.height);
cfcf0ffd
FB
1234 avpicture_fill(&picture, ptr,
1235 ist->st->codec.pix_fmt,
1236 ist->st->codec.width,
1237 ist->st->codec.height);
85f07f22
FB
1238 ret = len;
1239 } else {
1240 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1241 ret = avcodec_decode_video(&ist->st->codec,
1242 &picture, &got_picture, ptr, len);
1243 if (ret < 0) {
1244 fail_decode:
1245 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1246 ist->file_index, ist->index);
1247 av_free_packet(&pkt);
1248 goto redo;
1249 }
1250 if (!got_picture) {
1251 /* no picture yet */
1252 ptr += ret;
1253 len -= ret;
1254 continue;
1255 }
1256 }
1257 break;
1258 default:
1259 goto fail_decode;
1260 }
1261 } else {
1262 data_buf = ptr;
1263 data_size = len;
1264 ret = len;
1265 }
1266 /* update pts */
1267 switch(ist->st->codec.codec_type) {
1268 case CODEC_TYPE_AUDIO:
1269 ist->pts = (INT64)1000000 * ist->sample_index / ist->st->codec.sample_rate;
1270 ist->sample_index += data_size / (2 * ist->st->codec.channels);
1271 break;
1272 case CODEC_TYPE_VIDEO:
1273 ist->frame_number++;
1274 ist->pts = ((INT64)ist->frame_number * 1000000 * FRAME_RATE_BASE) /
1275 ist->st->codec.frame_rate;
1276 break;
1277 }
1278 ptr += ret;
1279 len -= ret;
1280
1281 /* transcode raw format, encode packets and output them */
1282
1283 for(i=0;i<nb_ostreams;i++) {
1284 ost = ost_table[i];
1285 if (ost->source_index == ist_index) {
1286 os = output_files[ost->file_index];
1287
1288 if (ost->encoding_needed) {
1289 switch(ost->st->codec.codec_type) {
1290 case CODEC_TYPE_AUDIO:
1291 do_audio_out(os, ost, ist, data_buf, data_size);
1292 break;
1293 case CODEC_TYPE_VIDEO:
1294 do_video_out(os, ost, ist, &picture);
1295 break;
1296 }
1297 } else {
1298 /* no reencoding needed : output the packet directly */
1299 os->format->write_packet(os, ost->index, data_buf, data_size);
1300 }
1301 }
1302 }
1303 }
1304 av_free_packet(&pkt);
1305
1306 /* dump report by using the first video and audio streams */
1307 {
1308 char buf[1024];
1309 AVFormatContext *oc;
1310 INT64 total_size, ti;
1311 AVCodecContext *enc;
1312 int frame_number, vid;
1313 double bitrate, ti1;
1314 static INT64 last_time;
1315
1316 if ((min_pts - last_time) >= 500000) {
1317 last_time = min_pts;
1318
1319 oc = output_files[0];
1320
1321 total_size = url_ftell(&oc->pb);
1322
1323 buf[0] = '\0';
bdc4796f 1324 ti = MAXINT64;
85f07f22
FB
1325 vid = 0;
1326 for(i=0;i<nb_ostreams;i++) {
1327 ost = ost_table[i];
1328 enc = &ost->st->codec;
1329 ist = ist_table[ost->source_index];
1330 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1331 frame_number = ist->frame_number;
1332 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1333 frame_number, enc->quality);
1334 vid = 1;
1335 }
1336 /* compute min pts value */
1337 if (!ist->discard && ist->pts < ti) {
1338 ti = ist->pts;
1339 }
1340 }
1341
bdc4796f 1342 ti1 = (double)ti / 1000000.0;
85f07f22
FB
1343 if (ti1 < 0.1)
1344 ti1 = 0.1;
1345 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1346
bdc4796f
FB
1347 sprintf(buf + strlen(buf),
1348 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1349 (double)total_size / 1024, ti1, bitrate);
85f07f22
FB
1350
1351 fprintf(stderr, "%s \r", buf);
1352 fflush(stderr);
1353 }
1354 }
1355 }
1356
1357 /* dump report by using the first video and audio streams */
1358 {
1359 char buf[1024];
1360 AVFormatContext *oc;
1361 INT64 total_size, ti;
1362 AVCodecContext *enc;
1363 int frame_number, vid;
1364 double bitrate, ti1;
1365
1366 oc = output_files[0];
1367
1368 total_size = url_ftell(&oc->pb);
1369
1370 buf[0] = '\0';
bdc4796f 1371 ti = MAXINT64;
85f07f22
FB
1372 vid = 0;
1373 for(i=0;i<nb_ostreams;i++) {
1374 ost = ost_table[i];
1375 enc = &ost->st->codec;
1376 ist = ist_table[ost->source_index];
1377 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1378 frame_number = ist->frame_number;
1379 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1380 frame_number, enc->quality);
1381 vid = 1;
1382 }
1383 /* compute min pts value */
1384 if (!ist->discard && ist->pts < ti) {
1385 ti = ist->pts;
1386 }
1387 }
1388
1389 ti1 = ti / 1000000.0;
1390 if (ti1 < 0.1)
1391 ti1 = 0.1;
1392 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1393
bdc4796f
FB
1394 sprintf(buf + strlen(buf),
1395 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1396 (double)total_size / 1024, ti1, bitrate);
85f07f22
FB
1397
1398 fprintf(stderr, "%s \n", buf);
1399 }
1400 /* close each encoder */
1401 for(i=0;i<nb_ostreams;i++) {
1402 ost = ost_table[i];
1403 if (ost->encoding_needed) {
1404 avcodec_close(&ost->st->codec);
1405 }
1406 }
1407
1408 /* close each decoder */
1409 for(i=0;i<nb_istreams;i++) {
1410 ist = ist_table[i];
1411 if (ist->decoding_needed) {
1412 avcodec_close(&ist->st->codec);
1413 }
1414 }
1415
1416
1417 /* write the trailer if needed and close file */
1418 for(i=0;i<nb_output_files;i++) {
1419 os = output_files[i];
1420 os->format->write_trailer(os);
1421 }
1422 /* finished ! */
1423
1424 ret = 0;
1425 fail1:
bdc4796f
FB
1426 free(file_table);
1427
85f07f22
FB
1428 if (ist_table) {
1429 for(i=0;i<nb_istreams;i++) {
1430 ist = ist_table[i];
1431 if (ist) {
1432 free(ist);
1433 }
1434 }
1435 free(ist_table);
1436 }
1437 if (ost_table) {
1438 for(i=0;i<nb_ostreams;i++) {
1439 ost = ost_table[i];
1440 if (ost) {
1441 if (ost->pict_tmp.data[0])
1442 free(ost->pict_tmp.data[0]);
1443 if (ost->video_resample)
1444 img_resample_close(ost->img_resample_ctx);
1445 if (ost->audio_resample)
1446 audio_resample_close(ost->resample);
1447 free(ost);
1448 }
1449 }
1450 free(ost_table);
1451 }
1452 return ret;
1453 fail:
1454 ret = -ENOMEM;
1455 goto fail1;
1456}
1457
1458#if 0
1459int file_read(const char *filename)
1460{
1461 URLContext *h;
1462 unsigned char buffer[1024];
1463 int len, i;
1464
1465 if (url_open(&h, filename, O_RDONLY) < 0) {
1466 printf("could not open '%s'\n", filename);
1467 return -1;
1468 }
1469 for(;;) {
1470 len = url_read(h, buffer, sizeof(buffer));
1471 if (len <= 0)
1472 break;
1473 for(i=0;i<len;i++) putchar(buffer[i]);
1474 }
1475 url_close(h);
1476 return 0;
1477}
1478#endif
1479
1480void show_licence(void)
1481{
1482 printf(
1483 "ffmpeg version " FFMPEG_VERSION "\n"
1484 "Copyright (c) 2000,2001 Gerard Lantau\n"
1485 "This program is free software; you can redistribute it and/or modify\n"
1486 "it under the terms of the GNU General Public License as published by\n"
1487 "the Free Software Foundation; either version 2 of the License, or\n"
1488 "(at your option) any later version.\n"
1489 "\n"
1490 "This program is distributed in the hope that it will be useful,\n"
1491 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1492 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
1493 "GNU General Public License for more details.\n"
1494 "\n"
1495 "You should have received a copy of the GNU General Public License\n"
1496 "along with this program; if not, write to the Free Software\n"
1497 "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
1498 );
1499 exit(1);
1500}
1501
1502void opt_format(const char *arg)
1503{
1504 AVFormat *f;
1505 f = first_format;
1506 while (f != NULL && strcmp(f->name, arg) != 0) f = f->next;
1507 if (f == NULL) {
1508 fprintf(stderr, "Invalid format: %s\n", arg);
1509 exit(1);
1510 }
1511 file_format = f;
1512}
1513
1514void opt_video_bitrate(const char *arg)
1515{
1516 video_bit_rate = atoi(arg) * 1000;
1517}
1518
1519void opt_frame_rate(const char *arg)
1520{
1521 frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1522}
1523
1524void opt_frame_size(const char *arg)
1525{
1526 parse_image_size(&frame_width, &frame_height, arg);
1527 if (frame_width <= 0 || frame_height <= 0) {
1528 fprintf(stderr, "Incorrect frame size\n");
1529 exit(1);
1530 }
1531 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1532 fprintf(stderr, "Frame size must be a multiple of 2\n");
1533 exit(1);
1534 }
1535}
1536
1537void opt_gop_size(const char *arg)
1538{
1539 gop_size = atoi(arg);
1540}
1541
1542void opt_qscale(const char *arg)
1543{
1544 video_qscale = atoi(arg);
1545 if (video_qscale < 0 ||
1546 video_qscale > 31) {
1547 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1548 exit(1);
1549 }
1550}
1551
1552
1553void opt_audio_bitrate(const char *arg)
1554{
1555 audio_bit_rate = atoi(arg) * 1000;
1556}
1557
1558void opt_audio_rate(const char *arg)
1559{
1560 audio_sample_rate = atoi(arg);
1561}
1562
1563void opt_audio_channels(const char *arg)
1564{
1565 audio_channels = atoi(arg);
1566}
1567
bdc4796f 1568#ifdef CONFIG_GRAB
85f07f22
FB
1569void opt_video_device(const char *arg)
1570{
1571 v4l_device = strdup(arg);
1572}
1573
1574void opt_audio_device(const char *arg)
1575{
1576 audio_device = strdup(arg);
1577}
bdc4796f 1578#endif
85f07f22
FB
1579
1580void opt_audio_codec(const char *arg)
1581{
1582 AVCodec *p;
1583
1584 p = first_avcodec;
1585 while (p) {
1586 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1587 break;
1588 p = p->next;
1589 }
1590 if (p == NULL) {
1591 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1592 exit(1);
1593 } else {
1594 audio_codec_id = p->id;
1595 }
1596}
1597
1598const char *motion_str[] = {
1599 "zero",
1600 "full",
1601 "log",
1602 "phods",
1603 NULL,
1604};
1605
1606void opt_motion_estimation(const char *arg)
1607{
1608 const char **p;
1609 p = motion_str;
1610 for(;;) {
1611 if (!*p) {
1612 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1613 exit(1);
1614 }
1615 if (!strcmp(*p, arg))
1616 break;
1617 p++;
1618 }
1619 motion_estimation_method = p - motion_str;
1620}
1621
1622void opt_video_codec(const char *arg)
1623{
1624 AVCodec *p;
1625
1626 p = first_avcodec;
1627 while (p) {
1628 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1629 break;
1630 p = p->next;
1631 }
1632 if (p == NULL) {
1633 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1634 exit(1);
1635 } else {
1636 video_codec_id = p->id;
1637 }
1638}
1639
1640void opt_map(const char *arg)
1641{
1642 AVStreamMap *m;
1643 const char *p;
1644
1645 p = arg;
1646 m = &stream_maps[nb_stream_maps++];
1647
1648 m->file_index = strtol(arg, (char **)&p, 0);
1649 if (*p)
1650 p++;
1651 m->stream_index = strtol(arg, (char **)&p, 0);
1652}
1653
1654void opt_recording_time(const char *arg)
1655{
1656 recording_time = parse_date(arg, 1);
1657}
1658
1659/* return the number of packet read to find the codec parameters */
1660int find_codec_parameters(AVFormatContext *ic)
1661{
1662 int val, i, count, ret, got_picture, size;
1663 AVCodec *codec;
1664 AVCodecContext *enc;
1665 AVStream *st;
1666 AVPacket *pkt;
1667 AVPicture picture;
1668 AVPacketList *pktl, **ppktl;
1669 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1670 UINT8 *ptr;
1671
1672 count = 0;
1673 ppktl = &ic->packet_buffer;
1674 for(;;) {
1675 for(i=0;i<ic->nb_streams;i++) {
1676 enc = &ic->streams[i]->codec;
1677
1678 switch(enc->codec_type) {
1679 case CODEC_TYPE_AUDIO:
1680 val = enc->sample_rate;
1681 break;
1682 case CODEC_TYPE_VIDEO:
1683 val = enc->width;
1684 break;
1685 default:
1686 val = 1;
1687 break;
1688 }
1689 /* if no parameters supplied, then we should read it from
1690 the stream */
1691 if (val == 0)
1692 break;
1693 }
1694 if (i == ic->nb_streams) {
1695 ret = count;
1696 break;
1697 }
1698
1699 if (count == 0) {
1700 /* open each codec */
1701 for(i=0;i<ic->nb_streams;i++) {
1702 st = ic->streams[i];
1703 codec = avcodec_find_decoder(st->codec.codec_id);
1704 if (codec == NULL) {
1705 ret = -1;
1706 goto the_end;
1707 }
1708 avcodec_open(&st->codec, codec);
1709 }
1710 }
1711 pktl = av_mallocz(sizeof(AVPacketList));
1712 if (!pktl) {
1713 ret = -1;
1714 break;
1715 }
1716
1717 /* add the packet in the buffered packet list */
1718 *ppktl = pktl;
1719 ppktl = &pktl->next;
1720
1721 pkt = &pktl->pkt;
1722 if (ic->format->read_packet(ic, pkt) < 0) {
1723 ret = -1;
1724 break;
1725 }
1726 st = ic->streams[pkt->stream_index];
1727
1728 /* decode the data and update codec parameters */
1729 ptr = pkt->data;
1730 size = pkt->size;
1731 while (size > 0) {
1732 switch(st->codec.codec_type) {
1733 case CODEC_TYPE_VIDEO:
1734 ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
1735 break;
1736 case CODEC_TYPE_AUDIO:
1737 ret = avcodec_decode_audio(&st->codec, samples, &got_picture, ptr, size);
1738 break;
1739 default:
1740 ret = -1;
1741 break;
1742 }
1743 if (ret < 0) {
1744 ret = -1;
1745 goto the_end;
1746 }
1747 if (got_picture)
1748 break;
1749 ptr += ret;
1750 size -= ret;
1751 }
1752
1753 count++;
1754 }
1755 the_end:
1756 if (count > 0) {
1757 /* close each codec */
1758 for(i=0;i<ic->nb_streams;i++) {
1759 st = ic->streams[i];
1760 avcodec_close(&st->codec);
1761 }
1762 }
1763 return ret;
1764}
1765
919f448d
FB
1766int filename_number_test(const char *filename)
1767{
1768 char buf[1024];
1769
1770 if (get_frame_filename(buf, sizeof(buf), filename, 1) < 0) {
1771 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
1772 "Use '%%d' to specify the image number:\n"
1773 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
1774 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
1775 filename);
1776 return -1;
1777 } else {
1778 return 0;
1779 }
1780}
85f07f22
FB
1781
1782void opt_input_file(const char *filename)
1783{
1784 AVFormatContext *ic;
1785 AVFormatParameters params, *ap = &params;
1786 URLFormat url_format;
1787 AVFormat *fmt;
1788 int err, i, ret;
1789
1790 ic = av_mallocz(sizeof(AVFormatContext));
1791 strcpy(ic->filename, filename);
1792 /* first format guess to know if we must open file */
1793 fmt = file_format;
1794 if (!fmt)
1795 fmt = guess_format(NULL, filename, NULL);
1796
1797 if (fmt == NULL || !(fmt->flags & AVFMT_NOFILE)) {
1798 /* open file */
1799 if (url_fopen(&ic->pb, filename, URL_RDONLY) < 0) {
1800 fprintf(stderr, "Could not open '%s'\n", filename);
1801 exit(1);
1802 }
1803
1804 /* find format and set default parameters */
1805 fmt = file_format;
1806 err = url_getformat(url_fileno(&ic->pb), &url_format);
1807 if (err >= 0) {
1808 if (!fmt)
1809 fmt = guess_format(url_format.format_name, NULL, NULL);
1810 ap->sample_rate = url_format.sample_rate;
1811 ap->frame_rate = url_format.frame_rate;
1812 ap->channels = url_format.channels;
1813 ap->width = url_format.width;
1814 ap->height = url_format.height;
1815 ap->pix_fmt = url_format.pix_fmt;
1816 } else {
1817 if (!fmt)
1818 fmt = guess_format(NULL, filename, NULL);
1819 memset(ap, 0, sizeof(*ap));
1820 }
1821 } else {
1822 memset(ap, 0, sizeof(*ap));
1823 }
1824
1825 if (!fmt || !fmt->read_header) {
1826 fprintf(stderr, "%s: Unknown file format\n", filename);
1827 exit(1);
1828 }
1829 ic->format = fmt;
1830
1831 /* get default parameters from command line */
1832 if (!ap->sample_rate)
1833 ap->sample_rate = audio_sample_rate;
1834 if (!ap->channels)
1835 ap->channels = audio_channels;
1836
1837 if (!ap->frame_rate)
1838 ap->frame_rate = frame_rate;
1839 if (!ap->width)
1840 ap->width = frame_width;
1841 if (!ap->height)
1842 ap->height = frame_height;
919f448d
FB
1843
1844 /* check filename in case of an image number is expected */
1845 if (ic->format->flags & AVFMT_NEEDNUMBER) {
1846 if (filename_number_test(ic->filename) < 0)
1847 exit(1);
1848 }
85f07f22
FB
1849
1850 err = ic->format->read_header(ic, ap);
1851 if (err < 0) {
1852 fprintf(stderr, "%s: Error while parsing header\n", filename);
1853 exit(1);
1854 }
1855
1856 /* If not enough info for the codecs, we decode the first frames
1857 to get it. (used in mpeg case for example) */
1858 ret = find_codec_parameters(ic);
1859 if (ret < 0) {
1860 fprintf(stderr, "%s: could not find codec parameters\n", filename);
1861 exit(1);
1862 }
1863
1864 /* update the current parameters so that they match the one of the input stream */
1865 for(i=0;i<ic->nb_streams;i++) {
1866 AVCodecContext *enc = &ic->streams[i]->codec;
1867 switch(enc->codec_type) {
1868 case CODEC_TYPE_AUDIO:
1869 audio_channels = enc->channels;
1870 audio_sample_rate = enc->sample_rate;
1871 break;
1872 case CODEC_TYPE_VIDEO:
1873 frame_height = enc->height;
1874 frame_width = enc->width;
1875 frame_rate = enc->frame_rate;
1876 break;
1877 }
1878 }
1879
1880 input_files[nb_input_files] = ic;
1881 /* dump the file content */
1882 dump_format(ic, nb_input_files, filename, 0);
1883 nb_input_files++;
1884 file_format = NULL;
1885}
1886
919f448d
FB
1887void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
1888{
1889 int has_video, has_audio, i, j;
1890 AVFormatContext *ic;
1891
1892 has_video = 0;
1893 has_audio = 0;
1894 for(j=0;j<nb_input_files;j++) {
1895 ic = input_files[j];
1896 for(i=0;i<ic->nb_streams;i++) {
1897 AVCodecContext *enc = &ic->streams[i]->codec;
1898 switch(enc->codec_type) {
1899 case CODEC_TYPE_AUDIO:
1900 has_audio = 1;
1901 break;
1902 case CODEC_TYPE_VIDEO:
1903 has_video = 1;
1904 break;
1905 }
1906 }
1907 }
1908 *has_video_ptr = has_video;
1909 *has_audio_ptr = has_audio;
1910}
1911
85f07f22
FB
1912void opt_output_file(const char *filename)
1913{
1914 AVStream *st;
1915 AVFormatContext *oc;
919f448d 1916 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
85f07f22
FB
1917 int codec_id;
1918
1919 if (!strcmp(filename, "-"))
1920 filename = "pipe:";
1921
1922 oc = av_mallocz(sizeof(AVFormatContext));
1923
1924 if (!file_format) {
1925 file_format = guess_format(NULL, filename, NULL);
1926 if (!file_format)
1927 file_format = &mpeg_mux_format;
1928 }
1929
1930 oc->format = file_format;
1931
1932 if (!strcmp(file_format->name, "ffm") &&
1933 strstart(filename, "http:", NULL)) {
1934 /* special case for files sent to ffserver: we get the stream
1935 parameters from ffserver */
1936 if (read_ffserver_streams(oc, filename) < 0) {
1937 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
1938 exit(1);
1939 }
1940 } else {
1941 use_video = file_format->video_codec != CODEC_ID_NONE;
1942 use_audio = file_format->audio_codec != CODEC_ID_NONE;
919f448d 1943
e30a2846
FB
1944 /* disable if no corresponding type found and at least one
1945 input file */
1946 if (nb_input_files > 0) {
1947 check_audio_video_inputs(&input_has_video, &input_has_audio);
1948 if (!input_has_video)
1949 use_video = 0;
1950 if (!input_has_audio)
1951 use_audio = 0;
1952 }
919f448d
FB
1953
1954 /* manual disable */
85f07f22
FB
1955 if (audio_disable) {
1956 use_audio = 0;
1957 }
1958 if (video_disable) {
1959 use_video = 0;
1960 }
1961
1962 nb_streams = 0;
1963 if (use_video) {
1964 AVCodecContext *video_enc;
1965
1966 st = av_mallocz(sizeof(AVStream));
1967 if (!st) {
1968 fprintf(stderr, "Could not alloc stream\n");
1969 exit(1);
1970 }
1971 video_enc = &st->codec;
1972
1973 codec_id = file_format->video_codec;
1974 if (video_codec_id != CODEC_ID_NONE)
1975 codec_id = video_codec_id;
1976
1977 video_enc->codec_id = codec_id;
1978 video_enc->codec_type = CODEC_TYPE_VIDEO;
1979
1980 video_enc->bit_rate = video_bit_rate;
1981 video_enc->frame_rate = frame_rate;
1982
1983 video_enc->width = frame_width;
1984 video_enc->height = frame_height;
1985 if (!intra_only)
1986 video_enc->gop_size = gop_size;
1987 else
1988 video_enc->gop_size = 0;
1989 if (video_qscale || same_quality) {
1990 video_enc->flags |= CODEC_FLAG_QSCALE;
1991 video_enc->quality = video_qscale;
1992 }
cfcf0ffd
FB
1993 /* XXX: need to find a way to set codec parameters */
1994 if (oc->format == &ppm_format ||
1995 oc->format == &ppmpipe_format) {
1996 video_enc->pix_fmt = PIX_FMT_RGB24;
1997 }
85f07f22
FB
1998
1999 oc->streams[nb_streams] = st;
2000 nb_streams++;
2001 }
2002
2003 if (use_audio) {
2004 AVCodecContext *audio_enc;
2005
2006 st = av_mallocz(sizeof(AVStream));
2007 if (!st) {
2008 fprintf(stderr, "Could not alloc stream\n");
2009 exit(1);
2010 }
2011 audio_enc = &st->codec;
2012 codec_id = file_format->audio_codec;
2013 if (audio_codec_id != CODEC_ID_NONE)
2014 codec_id = audio_codec_id;
2015 audio_enc->codec_id = codec_id;
2016 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2017
2018 audio_enc->bit_rate = audio_bit_rate;
2019 audio_enc->sample_rate = audio_sample_rate;
2020 audio_enc->channels = audio_channels;
2021 oc->streams[nb_streams] = st;
2022 nb_streams++;
2023 }
2024
2025 oc->nb_streams = nb_streams;
2026
2027 if (!nb_streams) {
919f448d 2028 fprintf(stderr, "No audio or video streams available\n");
85f07f22
FB
2029 exit(1);
2030 }
2031
2032 if (str_title)
2033 nstrcpy(oc->title, sizeof(oc->title), str_title);
2034 if (str_author)
2035 nstrcpy(oc->author, sizeof(oc->author), str_author);
2036 if (str_copyright)
2037 nstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2038 if (str_comment)
2039 nstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2040 }
2041
2042 output_files[nb_output_files] = oc;
2043 /* dump the file content */
2044 dump_format(oc, nb_output_files, filename, 1);
2045 nb_output_files++;
2046
2047 strcpy(oc->filename, filename);
919f448d
FB
2048
2049 /* check filename in case of an image number is expected */
2050 if (oc->format->flags & AVFMT_NEEDNUMBER) {
2051 if (filename_number_test(oc->filename) < 0)
2052 exit(1);
2053 }
2054
85f07f22
FB
2055 if (!(oc->format->flags & AVFMT_NOFILE)) {
2056 /* test if it already exists to avoid loosing precious files */
2057 if (!file_overwrite &&
2058 (strchr(filename, ':') == NULL ||
2059 strstart(filename, "file:", NULL))) {
2060 if (url_exist(filename)) {
2061 int c;
2062
2063 printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2064 fflush(stdout);
2065 c = getchar();
2066 if (toupper(c) != 'Y') {
2067 fprintf(stderr, "Not overwriting - exiting\n");
2068 exit(1);
2069 }
2070 }
2071 }
2072
2073 /* open the file */
2074 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2075 fprintf(stderr, "Could not open '%s'\n", filename);
2076 exit(1);
2077 }
2078 }
2079
2080 /* reset some options */
2081 file_format = NULL;
2082 audio_disable = 0;
2083 video_disable = 0;
2084 audio_codec_id = CODEC_ID_NONE;
2085 video_codec_id = CODEC_ID_NONE;
2086}
2087
bdc4796f 2088#ifndef CONFIG_WIN32
5727b222
FB
2089INT64 getutime(void)
2090{
2091 struct rusage rusage;
2092
2093 getrusage(RUSAGE_SELF, &rusage);
2094 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2095}
bdc4796f
FB
2096#else
2097INT64 getutime(void)
2098{
2099 return gettime();
2100}
2101#endif
5727b222 2102
85f07f22
FB
2103void show_formats(void)
2104{
2105 AVFormat *f;
2106 URLProtocol *up;
2107 AVCodec *p;
2108 const char **pp;
2109
2110 printf("File formats:\n");
2111 printf(" Encoding:");
2112 for(f = first_format; f != NULL; f = f->next) {
2113 if (f->write_header)
2114 printf(" %s", f->name);
2115 }
2116 printf("\n");
2117 printf(" Decoding:");
2118 for(f = first_format; f != NULL; f = f->next) {
2119 if (f->read_header)
2120 printf(" %s", f->name);
2121 }
2122 printf("\n");
2123
2124 printf("Codecs:\n");
2125 printf(" Encoders:");
2126 for(p = first_avcodec; p != NULL; p = p->next) {
2127 if (p->encode)
2128 printf(" %s", p->name);
2129 }
2130 printf("\n");
2131
2132 printf(" Decoders:");
2133 for(p = first_avcodec; p != NULL; p = p->next) {
2134 if (p->decode)
2135 printf(" %s", p->name);
2136 }
2137 printf("\n");
2138
2139 printf("Supported file protocols:");
2140 for(up = first_protocol; up != NULL; up = up->next)
2141 printf(" %s:", up->name);
2142 printf("\n");
2143
2144 printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2145 printf("Motion estimation methods:");
2146 pp = motion_str;
2147 while (*pp) {
2148 printf(" %s", *pp);
2149 if ((pp - motion_str) == ME_ZERO)
2150 printf("(fastest)");
2151 else if ((pp - motion_str) == ME_FULL)
2152 printf("(slowest)");
2153 else if ((pp - motion_str) == ME_LOG)
2154 printf("(default)");
2155 pp++;
2156 }
2157 printf("\n");
2158 exit(1);
2159}
2160
2161void show_help(void)
2162{
2163 const OptionDef *po;
2164 int i, expert;
2165
2166 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000,2001 Gerard Lantau\n"
2167 "usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2168 "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n"
2169 "\n"
2170 "Main options are:\n");
2171 for(i=0;i<2;i++) {
2172 if (i == 1)
2173 printf("\nAdvanced options are:\n");
2174 for(po = options; po->name != NULL; po++) {
2175 char buf[64];
2176 expert = (po->flags & OPT_EXPERT) != 0;
2177 if (expert == i) {
2178 strcpy(buf, po->name);
2179 if (po->flags & HAS_ARG) {
2180 strcat(buf, " ");
2181 strcat(buf, po->argname);
2182 }
2183 printf("-%-17s %s\n", buf, po->help);
2184 }
2185 }
2186 }
2187
2188 exit(1);
2189}
2190
2191const OptionDef options[] = {
bdc4796f
FB
2192 { "L", 0, {(void*)show_licence}, "show license" },
2193 { "h", 0, {(void*)show_help}, "show help" },
2194 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2195 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2196 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2197 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2198 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2199 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2200 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2201 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2202 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2203 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
85f07f22 2204 /* video options */
bdc4796f
FB
2205 { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2206 { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2207 { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2208 { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2209 { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2210 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2211 { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2212#ifdef CONFIG_GRAB
2213 { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video device", "device" },
2214#endif
2215 { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec", "codec" },
2216 { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
85f07f22 2217 "method" },
bdc4796f 2218 { "sameq", OPT_BOOL, {(void*)&same_quality},
85f07f22
FB
2219 "use same video quality as source (implies VBR)" },
2220 /* audio options */
bdc4796f
FB
2221 { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2222 { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2223 { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2224 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2225#ifdef CONFIG_GRAB
2226 { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2227#endif
2228 { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec", "codec" },
2229 { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace},
cfcf0ffd 2230 "deinterlace pictures" },
bdc4796f 2231 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5727b222 2232 "add timings for benchmarking" },
85f07f22
FB
2233
2234 { NULL, },
2235};
2236
2237int main(int argc, char **argv)
2238{
2239 int optindex, i;
2240 const char *opt, *arg;
2241 const OptionDef *po;
2242
2243 register_all();
2244
2245 if (argc <= 1)
2246 show_help();
2247
2248 optindex = 1;
2249 while (optindex < argc) {
2250 opt = argv[optindex++];
2251
2252 if (opt[0] == '-' && opt[1] != '\0') {
2253 po = options;
2254 while (po->name != NULL) {
2255 if (!strcmp(opt + 1, po->name))
2256 break;
2257 po++;
2258 }
2259 if (!po->name) {
2260 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2261 exit(1);
2262 }
2263 arg = NULL;
2264 if (po->flags & HAS_ARG)
2265 arg = argv[optindex++];
2266 if (po->flags & OPT_STRING) {
2267 char *str;
2268 str = strdup(arg);
2269 *po->u.str_arg = str;
2270 } else if (po->flags & OPT_BOOL) {
2271 *po->u.int_arg = 1;
2272 } else {
2273 po->u.func_arg(arg);
2274 }
2275 } else {
2276 opt_output_file(opt);
2277 }
2278 }
2279
2280
2281 if (nb_input_files == 0) {
bdc4796f 2282#ifdef CONFIG_GRAB
85f07f22
FB
2283 if (nb_output_files != 1) {
2284 fprintf(stderr, "Only one output file supported when grabbing\n");
2285 exit(1);
2286 }
2287 av_grab(output_files[0]);
bdc4796f
FB
2288#else
2289 fprintf(stderr, "Must supply at least one input file\n");
2290#endif
85f07f22 2291 } else {
5727b222
FB
2292 INT64 ti;
2293
85f07f22
FB
2294 if (nb_output_files <= 0) {
2295 fprintf(stderr, "Must supply at least one output file\n");
2296 exit(1);
2297 }
5727b222 2298 ti = getutime();
85f07f22
FB
2299 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2300 stream_maps, nb_stream_maps);
5727b222
FB
2301 ti = getutime() - ti;
2302 if (do_benchmark) {
2303 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2304 }
85f07f22
FB
2305 }
2306
2307 /* close files */
2308 for(i=0;i<nb_output_files;i++) {
2309 if (!(output_files[i]->format->flags & AVFMT_NOFILE))
2310 url_fclose(&output_files[i]->pb);
2311 }
2312 for(i=0;i<nb_input_files;i++) {
2313 if (!(input_files[i]->format->flags & AVFMT_NOFILE))
2314 url_fclose(&input_files[i]->pb);
2315 }
2316
2317 return 0;
2318}