added bigendian support - added cross compilation support - added generation of objec...
[libav.git] / ffmpeg.c
CommitLineData
85f07f22
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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 */
daf8e955
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19#define HAVE_AV_CONFIG_H
20#include "avformat.h"
6dc96cb0 21#include "tick.h"
daf8e955 22
bdc4796f 23#ifndef CONFIG_WIN32
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24#include <unistd.h>
25#include <fcntl.h>
26#include <sys/ioctl.h>
85f07f22 27#include <sys/time.h>
85f07f22 28#include <termios.h>
ce7c56c2 29#include <time.h>
5727b222 30#include <sys/resource.h>
85f07f22 31#include <ctype.h>
bdc4796f 32#endif
85f07f22 33
85f07f22 34
bdc4796f
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35#define MAXINT64 INT64_C(0x7fffffffffffffff)
36
85f07f22
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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;
9cdd6a24 79static int video_bit_rate_tolerance = 200000;
85f07f22 80static int video_qscale = 0;
9cdd6a24
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81static int video_qmin = 3;
82static int video_qmax = 15;
83static int video_qdiff = 3;
84static float video_qblur = 0.5;
85static float video_qcomp = 0.5;
101bea5f 86static int me_method = 0;
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87static int video_disable = 0;
88static int video_codec_id = CODEC_ID_NONE;
89static int same_quality = 0;
bc6caae2 90static int b_frames = 0;
e4986da9 91static int use_hq = 0;
29da453b 92static int use_4mv = 0;
cfcf0ffd 93static int do_deinterlace = 0;
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94
95static int gop_size = 12;
96static int intra_only = 0;
97static int audio_sample_rate = 44100;
98static int audio_bit_rate = 64000;
99static int audio_disable = 0;
100static int audio_channels = 1;
101static int audio_codec_id = CODEC_ID_NONE;
102
103static INT64 recording_time = 0;
104static int file_overwrite = 0;
105static char *str_title = NULL;
106static char *str_author = NULL;
107static char *str_copyright = NULL;
108static char *str_comment = NULL;
5727b222 109static int do_benchmark = 0;
a0663ba4 110static int do_hex_dump = 0;
a38469e1 111static int do_play = 0;
43f1708f 112static int do_psnr = 0;
ce7c56c2 113static int do_vstats = 0;
0b97443a 114static int mpeg_vcd = 0;
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115
116typedef struct AVOutputStream {
117 int file_index; /* file index */
118 int index; /* stream index in the output file */
119 int source_index; /* AVInputStream index */
120 AVStream *st; /* stream in the output file */
121 int encoding_needed; /* true if encoding needed for this stream */
122
123 int fifo_packet_rptr; /* read index in the corresponding
124 avinputstream packet fifo */
125 /* video only */
126 AVPicture pict_tmp; /* temporary image for resizing */
127 int video_resample;
128 ImgReSampleContext *img_resample_ctx; /* for image resampling */
129
130 /* audio only */
131 int audio_resample;
132 ReSampleContext *resample; /* for audio resampling */
133 FifoBuffer fifo; /* for compression: one audio fifo per codec */
134} AVOutputStream;
135
136typedef struct AVInputStream {
137 int file_index;
138 int index;
139 AVStream *st;
140 int discard; /* true if stream data should be discarded */
141 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
6dc96cb0
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142 Ticker pts_ticker; /* Ticker for PTS calculation */
143 int ticker_inited; /* to signal if the ticker was initialized */
85f07f22 144 INT64 pts; /* current pts */
51bd4565 145 int pts_increment; /* expected pts increment for next packet */
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146 int frame_number; /* current frame */
147 INT64 sample_index; /* current sample */
148} AVInputStream;
149
150typedef struct AVInputFile {
151 int eof_reached; /* true if eof reached */
152 int ist_index; /* index of first stream in ist_table */
153 int buffer_size; /* current total buffer size */
154 int buffer_size_max; /* buffer size at which we consider we can stop
155 buffering */
156} AVInputFile;
157
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158#ifndef CONFIG_WIN32
159
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160/* init terminal so that we can grab keys */
161static struct termios oldtty;
162
163static void term_exit(void)
164{
165 tcsetattr (0, TCSANOW, &oldtty);
166}
167
168static void term_init(void)
169{
170 struct termios tty;
171
172 tcgetattr (0, &tty);
173 oldtty = tty;
174
175 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
176 |INLCR|IGNCR|ICRNL|IXON);
177 tty.c_oflag |= OPOST;
178 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
179 tty.c_cflag &= ~(CSIZE|PARENB);
180 tty.c_cflag |= CS8;
181 tty.c_cc[VMIN] = 1;
182 tty.c_cc[VTIME] = 0;
183
184 tcsetattr (0, TCSANOW, &tty);
185
186 atexit(term_exit);
187}
188
189/* read a key without blocking */
190static int read_key(void)
191{
192 struct timeval tv;
193 int n;
194 unsigned char ch;
195 fd_set rfds;
196
197 FD_ZERO(&rfds);
198 FD_SET(0, &rfds);
199 tv.tv_sec = 0;
200 tv.tv_usec = 0;
201 n = select(1, &rfds, NULL, NULL, &tv);
202 if (n > 0) {
203 if (read(0, &ch, 1) == 1)
204 return ch;
205 }
206 return -1;
207}
208
a38469e1 209#else
85f07f22 210
a38469e1
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211/* no interactive support */
212static void term_exit(void)
85f07f22 213{
a38469e1 214}
85f07f22 215
a38469e1
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216static void term_init(void)
217{
218}
85f07f22 219
a38469e1
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220static int read_key(void)
221{
222 return -1;
85f07f22
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223}
224
a38469e1 225#endif
bdc4796f 226
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227int read_ffserver_streams(AVFormatContext *s, const char *filename)
228{
229 int i;
230 AVFormatContext *ic;
231
a38469e1 232 ic = av_open_input_file(filename, NULL, FFM_PACKET_SIZE, NULL);
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233 if (!ic)
234 return -EIO;
235 /* copy stream format */
236 s->nb_streams = ic->nb_streams;
237 for(i=0;i<ic->nb_streams;i++) {
238 AVStream *st;
239 st = av_mallocz(sizeof(AVFormatContext));
240 memcpy(st, ic->streams[i], sizeof(AVStream));
241 s->streams[i] = st;
242 }
243
244 av_close_input_file(ic);
245 return 0;
246}
247
248#define MAX_AUDIO_PACKET_SIZE 16384
249
250static void do_audio_out(AVFormatContext *s,
251 AVOutputStream *ost,
252 AVInputStream *ist,
253 unsigned char *buf, int size)
254{
255 UINT8 *buftmp;
256 UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
257 UINT8 audio_out[MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
258 int size_out, frame_bytes, ret;
259 AVCodecContext *enc;
260
261 enc = &ost->st->codec;
262
263 if (ost->audio_resample) {
264 buftmp = audio_buf;
265 size_out = audio_resample(ost->resample,
266 (short *)buftmp, (short *)buf,
267 size / (ist->st->codec.channels * 2));
268 size_out = size_out * enc->channels * 2;
269 } else {
270 buftmp = buf;
271 size_out = size;
272 }
273
274 /* now encode as many frames as possible */
a0663ba4 275 if (enc->frame_size > 1) {
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276 /* output resampled raw samples */
277 fifo_write(&ost->fifo, buftmp, size_out,
278 &ost->fifo.wptr);
279
280 frame_bytes = enc->frame_size * 2 * enc->channels;
281
282 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
283 &ost->fifo.rptr) == 0) {
a0663ba4
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284 ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
285 (short *)audio_buf);
10bb7023 286 s->format->write_packet(s, ost->index, audio_out, ret, 0);
85f07f22
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287 }
288 } else {
a0663ba4
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289 /* output a pcm frame */
290 /* XXX: change encoding codec API to avoid this ? */
291 switch(enc->codec->id) {
292 case CODEC_ID_PCM_S16LE:
293 case CODEC_ID_PCM_S16BE:
294 case CODEC_ID_PCM_U16LE:
295 case CODEC_ID_PCM_U16BE:
296 break;
297 default:
298 size_out = size_out >> 1;
299 break;
300 }
301 ret = avcodec_encode_audio(enc, audio_out, size_out,
302 (short *)buftmp);
10bb7023 303 s->format->write_packet(s, ost->index, audio_out, ret, 0);
85f07f22
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304 }
305}
306
307/* write a picture to a raw mux */
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308static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
309 int pix_fmt, int w, int h)
85f07f22
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310{
311 UINT8 *buf, *src, *dest;
312 int size, j, i;
cfcf0ffd 313
85f07f22
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314 /* XXX: not efficient, should add test if we can take
315 directly the AVPicture */
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316 switch(pix_fmt) {
317 case PIX_FMT_YUV420P:
5b0ad91b
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318 size = avpicture_get_size(pix_fmt, w, h);
319 buf = malloc(size);
320 if (!buf)
321 return;
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322 dest = buf;
323 for(i=0;i<3;i++) {
324 if (i == 1) {
325 w >>= 1;
326 h >>= 1;
327 }
328 src = picture->data[i];
329 for(j=0;j<h;j++) {
330 memcpy(dest, src, w);
331 dest += w;
332 src += picture->linesize[i];
333 }
334 }
335 break;
336 case PIX_FMT_YUV422P:
337 size = (w * h) * 2;
338 buf = malloc(size);
5b0ad91b
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339 if (!buf)
340 return;
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341 dest = buf;
342 for(i=0;i<3;i++) {
343 if (i == 1) {
344 w >>= 1;
345 }
346 src = picture->data[i];
347 for(j=0;j<h;j++) {
348 memcpy(dest, src, w);
349 dest += w;
350 src += picture->linesize[i];
351 }
352 }
353 break;
354 case PIX_FMT_YUV444P:
355 size = (w * h) * 3;
356 buf = malloc(size);
5b0ad91b
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357 if (!buf)
358 return;
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359 dest = buf;
360 for(i=0;i<3;i++) {
361 src = picture->data[i];
362 for(j=0;j<h;j++) {
363 memcpy(dest, src, w);
364 dest += w;
365 src += picture->linesize[i];
366 }
367 }
368 break;
369 case PIX_FMT_YUV422:
370 size = (w * h) * 2;
371 buf = malloc(size);
5b0ad91b
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372 if (!buf)
373 return;
cfcf0ffd
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374 dest = buf;
375 src = picture->data[0];
376 for(j=0;j<h;j++) {
377 memcpy(dest, src, w * 2);
378 dest += w * 2;
379 src += picture->linesize[0];
85f07f22 380 }
cfcf0ffd
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381 break;
382 case PIX_FMT_RGB24:
383 case PIX_FMT_BGR24:
384 size = (w * h) * 3;
385 buf = malloc(size);
5b0ad91b
J
386 if (!buf)
387 return;
cfcf0ffd
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388 dest = buf;
389 src = picture->data[0];
85f07f22 390 for(j=0;j<h;j++) {
cfcf0ffd
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391 memcpy(dest, src, w * 3);
392 dest += w * 3;
393 src += picture->linesize[0];
85f07f22 394 }
cfcf0ffd
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395 break;
396 default:
397 return;
85f07f22 398 }
10bb7023 399 s->format->write_packet(s, index, buf, size, 0);
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400 free(buf);
401}
402
403
404static void do_video_out(AVFormatContext *s,
405 AVOutputStream *ost,
406 AVInputStream *ist,
ce7c56c2
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407 AVPicture *picture1,
408 int *frame_size)
85f07f22 409{
6dc96cb0 410 int n1, n2, nb, i, ret, frame_number, dec_frame_rate;
cfcf0ffd
FB
411 AVPicture *picture, *picture2, *pict;
412 AVPicture picture_tmp1, picture_tmp2;
544286b3 413 UINT8 video_buffer[1024*1024];
cfcf0ffd
FB
414 UINT8 *buf = NULL, *buf1 = NULL;
415 AVCodecContext *enc, *dec;
85f07f22
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416
417 enc = &ost->st->codec;
cfcf0ffd 418 dec = &ist->st->codec;
85f07f22
FB
419
420 frame_number = ist->frame_number;
6dc96cb0
J
421 dec_frame_rate = ist->st->r_frame_rate;
422 //fprintf(stderr, "\n%d", dec_frame_rate);
85f07f22 423 /* first drop frame if needed */
6dc96cb0
J
424 n1 = ((INT64)frame_number * enc->frame_rate) / dec_frame_rate;
425 n2 = (((INT64)frame_number + 1) * enc->frame_rate) / dec_frame_rate;
85f07f22 426 nb = n2 - n1;
ce7c56c2 427 if (nb <= 0)
85f07f22 428 return;
ce7c56c2 429
cfcf0ffd
FB
430 /* deinterlace : must be done before any resize */
431 if (do_deinterlace) {
432 int size;
433
434 /* create temporary picture */
435 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
436 buf1 = malloc(size);
437 if (!buf1)
438 return;
439
440 picture2 = &picture_tmp2;
441 avpicture_fill(picture2, buf1, dec->pix_fmt, dec->width, dec->height);
442
443 if (avpicture_deinterlace(picture2, picture1,
444 dec->pix_fmt, dec->width, dec->height) < 0) {
445 /* if error, do not deinterlace */
446 free(buf1);
447 buf1 = NULL;
448 picture2 = picture1;
449 }
450 } else {
451 picture2 = picture1;
452 }
453
454 /* convert pixel format if needed */
455 if (enc->pix_fmt != dec->pix_fmt) {
456 int size;
457
458 /* create temporary picture */
459 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
460 buf = malloc(size);
461 if (!buf)
462 return;
463 pict = &picture_tmp1;
464 avpicture_fill(pict, buf, enc->pix_fmt, dec->width, dec->height);
465
466 if (img_convert(pict, enc->pix_fmt,
467 picture2, dec->pix_fmt,
468 dec->width, dec->height) < 0) {
469 fprintf(stderr, "pixel format conversion not handled\n");
470 goto the_end;
471 }
472 } else {
473 pict = picture2;
474 }
475
476 /* XXX: resampling could be done before raw format convertion in
477 some cases to go faster */
478 /* XXX: only works for YUV420P */
85f07f22
FB
479 if (ost->video_resample) {
480 picture = &ost->pict_tmp;
481 img_resample(ost->img_resample_ctx, picture, pict);
482 } else {
483 picture = pict;
484 }
6dc96cb0 485 nb=1;
85f07f22
FB
486 /* duplicates frame if needed */
487 /* XXX: pb because no interleaving */
488 for(i=0;i<nb;i++) {
489 if (enc->codec_id != CODEC_ID_RAWVIDEO) {
490 /* handles sameq here. This is not correct because it may
491 not be a global option */
492 if (same_quality) {
cfcf0ffd 493 enc->quality = dec->quality;
85f07f22 494 }
6dc96cb0 495
cfcf0ffd 496 ret = avcodec_encode_video(enc,
85f07f22
FB
497 video_buffer, sizeof(video_buffer),
498 picture);
44429457 499 //enc->frame_number = enc->real_pict_num;
10bb7023 500 s->format->write_packet(s, ost->index, video_buffer, ret, 0);
ce7c56c2 501 *frame_size = ret;
a5dc85ef 502 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
44429457 503 // enc->frame_number-1, enc->real_pict_num, ret,
a5dc85ef 504 // enc->pict_type);
85f07f22 505 } else {
cfcf0ffd 506 write_picture(s, ost->index, picture, enc->pix_fmt, enc->width, enc->height);
85f07f22
FB
507 }
508 }
cfcf0ffd
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509 the_end:
510 if (buf)
511 free(buf);
512 if (buf1)
513 free(buf1);
85f07f22
FB
514}
515
ce7c56c2
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516static void do_video_stats(AVOutputStream *ost,
517 AVInputStream *ist,
518 int frame_size)
519{
520 static FILE *fvstats=NULL;
521 static INT64 total_size = 0;
522 struct tm *today;
523 time_t today2;
524 char filename[40];
525 AVCodecContext *enc;
526 int frame_number;
527 INT64 ti;
528 double ti1, bitrate, avg_bitrate;
529
530 if (!fvstats) {
531 today2 = time(NULL);
532 today = localtime(&today2);
533 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
534 today->tm_min,
535 today->tm_sec);
536 fvstats = fopen(filename,"w");
537 if (!fvstats) {
538 perror("fopen");
539 exit(1);
540 }
541 }
542
543 ti = MAXINT64;
544 enc = &ost->st->codec;
545 total_size += frame_size;
546 if (enc->codec_type == CODEC_TYPE_VIDEO) {
547 frame_number = ist->frame_number;
548 fprintf(fvstats, "frame= %5d q= %2d ", frame_number, enc->quality);
549 if (do_psnr)
550 fprintf(fvstats, "PSNR= %6.2f ", enc->psnr_y);
551
552 fprintf(fvstats,"f_size= %6d ", frame_size);
553 /* compute min pts value */
554 if (!ist->discard && ist->pts < ti) {
555 ti = ist->pts;
556 }
557 ti1 = (double)ti / 1000000.0;
558 if (ti1 < 0.01)
559 ti1 = 0.01;
560
561 bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
562 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
563 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
564 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
565 fprintf(fvstats,"type= %s\n", enc->key_frame == 1 ? "I" : "P");
566 }
567
568
569
570}
571
85f07f22
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572static void hex_dump(UINT8 *buf, int size)
573{
574 int len, i, j, c;
575
576 for(i=0;i<size;i+=16) {
577 len = size - i;
578 if (len > 16)
579 len = 16;
580 printf("%08x ", i);
581 for(j=0;j<16;j++) {
582 if (j < len)
583 printf(" %02x", buf[i+j]);
584 else
585 printf(" ");
586 }
587 printf(" ");
588 for(j=0;j<len;j++) {
589 c = buf[i+j];
590 if (c < ' ' || c > '~')
591 c = '.';
592 printf("%c", c);
593 }
594 printf("\n");
595 }
596}
85f07f22
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597
598/*
599 * The following code is the main loop of the file converter
600 */
601static int av_encode(AVFormatContext **output_files,
602 int nb_output_files,
603 AVFormatContext **input_files,
604 int nb_input_files,
605 AVStreamMap *stream_maps, int nb_stream_maps)
606{
bdc4796f 607 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
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608 AVFormatContext *is, *os;
609 AVCodecContext *codec, *icodec;
610 AVOutputStream *ost, **ost_table = NULL;
611 AVInputStream *ist, **ist_table = NULL;
612 INT64 min_pts, start_time;
bdc4796f 613 AVInputFile *file_table;
51bd4565 614 AVFormatContext *stream_no_data;
bdc4796f 615
51bd4565 616 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
bdc4796f
FB
617 if (!file_table)
618 goto fail;
85f07f22 619
85f07f22
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620 /* input stream init */
621 j = 0;
622 for(i=0;i<nb_input_files;i++) {
623 is = input_files[i];
624 file_table[i].ist_index = j;
625 j += is->nb_streams;
626 }
627 nb_istreams = j;
628
629 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
630 if (!ist_table)
bdc4796f 631 goto fail;
85f07f22
FB
632
633 for(i=0;i<nb_istreams;i++) {
634 ist = av_mallocz(sizeof(AVInputStream));
635 if (!ist)
636 goto fail;
637 ist_table[i] = ist;
638 }
639 j = 0;
640 for(i=0;i<nb_input_files;i++) {
641 is = input_files[i];
642 for(k=0;k<is->nb_streams;k++) {
643 ist = ist_table[j++];
644 ist->st = is->streams[k];
645 ist->file_index = i;
646 ist->index = k;
647 ist->discard = 1; /* the stream is discarded by default
648 (changed later) */
649 }
650 }
651
652 /* output stream init */
653 nb_ostreams = 0;
654 for(i=0;i<nb_output_files;i++) {
655 os = output_files[i];
656 nb_ostreams += os->nb_streams;
0b97443a
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657 if (mpeg_vcd)
658 os->flags |= AVF_FLAG_VCD;
85f07f22
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659 }
660 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
661 fprintf(stderr, "Number of stream maps must match number of output streams\n");
662 exit(1);
663 }
664
665 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
666 if (!ost_table)
667 goto fail;
668 for(i=0;i<nb_ostreams;i++) {
669 ost = av_mallocz(sizeof(AVOutputStream));
670 if (!ost)
671 goto fail;
672 ost_table[i] = ost;
673 }
674
675 n = 0;
676 for(k=0;k<nb_output_files;k++) {
677 os = output_files[k];
678 for(i=0;i<os->nb_streams;i++) {
679 int found;
680 ost = ost_table[n++];
681 ost->file_index = k;
682 ost->index = i;
683 ost->st = os->streams[i];
684 if (nb_stream_maps > 0) {
685 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
686 stream_maps[n-1].stream_index;
687 } else {
688 /* get corresponding input stream index : we select the first one with the right type */
689 found = 0;
690 for(j=0;j<nb_istreams;j++) {
691 ist = ist_table[j];
692 if (ist->discard &&
693 ist->st->codec.codec_type == ost->st->codec.codec_type) {
694 ost->source_index = j;
695 found = 1;
696 }
697 }
698
699 if (!found) {
700 /* try again and reuse existing stream */
701 for(j=0;j<nb_istreams;j++) {
702 ist = ist_table[j];
703 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
704 ost->source_index = j;
705 found = 1;
706 }
707 }
708 if (!found) {
709 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
710 ost->file_index, ost->index);
711 exit(1);
712 }
713 }
714 }
715 ist = ist_table[ost->source_index];
716 ist->discard = 0;
717 }
718 }
719
720 /* dump the stream mapping */
721 fprintf(stderr, "Stream mapping:\n");
722 for(i=0;i<nb_ostreams;i++) {
723 ost = ost_table[i];
724 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
725 ist_table[ost->source_index]->file_index,
726 ist_table[ost->source_index]->index,
727 ost->file_index,
728 ost->index);
729 }
730
731 /* for each output stream, we compute the right encoding parameters */
732 for(i=0;i<nb_ostreams;i++) {
733 ost = ost_table[i];
734 ist = ist_table[ost->source_index];
735
736 codec = &ost->st->codec;
737 icodec = &ist->st->codec;
738
739 switch(codec->codec_type) {
740 case CODEC_TYPE_AUDIO:
741 /* check if same codec with same parameters. If so, no
742 reencoding is needed */
743 if (codec->codec_id == icodec->codec_id &&
744 codec->bit_rate == icodec->bit_rate &&
745 codec->sample_rate == icodec->sample_rate &&
746 codec->channels == icodec->channels) {
747 /* no reencoding */
10bb7023
J
748 /* use the same frame size */
749 codec->frame_size = icodec->frame_size;
750 //codec->frame_size = 8*icodec->sample_rate*icodec->frame_size/
751 // icodec->bit_rate;
752 //fprintf(stderr,"\nFrame size: %d", codec->frame_size);
85f07f22
FB
753 } else {
754 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
755 goto fail;
756
757 if (codec->channels == icodec->channels &&
758 codec->sample_rate == icodec->sample_rate) {
759 ost->audio_resample = 0;
760 } else {
e0d2714a
J
761 if (codec->channels != icodec->channels &&
762 icodec->codec_id == CODEC_ID_AC3) {
763 /* Special case for 5:1 AC3 input */
764 /* and mono or stereo output */
6dc96cb0
J
765 /* Request specific number of channels */
766 icodec->channels = codec->channels;
767 if (codec->sample_rate == icodec->sample_rate)
768 ost->audio_resample = 0;
769 else {
770 ost->audio_resample = 1;
771 ost->resample = audio_resample_init(codec->channels, icodec->channels,
772 codec->sample_rate,
773 icodec->sample_rate);
774 }
e0d2714a
J
775 /* Request specific number of channels */
776 icodec->channels = codec->channels;
777 } else {
778 ost->audio_resample = 1;
779 ost->resample = audio_resample_init(codec->channels, icodec->channels,
85f07f22
FB
780 codec->sample_rate,
781 icodec->sample_rate);
e0d2714a 782 }
85f07f22
FB
783 }
784 ist->decoding_needed = 1;
785 ost->encoding_needed = 1;
786 }
787 break;
788 case CODEC_TYPE_VIDEO:
789 /* check if same codec with same parameters. If so, no
790 reencoding is needed */
791 if (codec->codec_id == icodec->codec_id &&
792 codec->bit_rate == icodec->bit_rate &&
793 codec->frame_rate == icodec->frame_rate &&
794 codec->width == icodec->width &&
795 codec->height == icodec->height) {
796 /* no reencoding */
797 } else {
798 if (codec->width == icodec->width &&
799 codec->height == icodec->height) {
800 ost->video_resample = 0;
801 } else {
802 UINT8 *buf;
803 ost->video_resample = 1;
804 buf = malloc((codec->width * codec->height * 3) / 2);
805 if (!buf)
806 goto fail;
807 ost->pict_tmp.data[0] = buf;
808 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
809 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
810 ost->pict_tmp.linesize[0] = codec->width;
811 ost->pict_tmp.linesize[1] = codec->width / 2;
812 ost->pict_tmp.linesize[2] = codec->width / 2;
813
814 ost->img_resample_ctx = img_resample_init(
815 ost->st->codec.width, ost->st->codec.height,
816 ist->st->codec.width, ist->st->codec.height);
817 }
818 ost->encoding_needed = 1;
819 ist->decoding_needed = 1;
820 }
821 break;
51bd4565
PG
822 default:
823 abort();
85f07f22
FB
824 }
825 }
826
827 /* open each encoder */
828 for(i=0;i<nb_ostreams;i++) {
829 ost = ost_table[i];
830 if (ost->encoding_needed) {
831 AVCodec *codec;
832 codec = avcodec_find_encoder(ost->st->codec.codec_id);
833 if (!codec) {
834 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
835 ost->file_index, ost->index);
836 exit(1);
837 }
838 if (avcodec_open(&ost->st->codec, codec) < 0) {
839 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
840 ost->file_index, ost->index);
841 exit(1);
842 }
843 }
844 }
845
846 /* open each decoder */
847 for(i=0;i<nb_istreams;i++) {
848 ist = ist_table[i];
849 if (ist->decoding_needed) {
850 AVCodec *codec;
851 codec = avcodec_find_decoder(ist->st->codec.codec_id);
852 if (!codec) {
853 fprintf(stderr, "Unsupported codec for input stream #%d.%d\n",
854 ist->file_index, ist->index);
855 exit(1);
856 }
857 if (avcodec_open(&ist->st->codec, codec) < 0) {
858 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
859 ist->file_index, ist->index);
860 exit(1);
861 }
6dc96cb0
J
862 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
863 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
85f07f22
FB
864 }
865 }
866
867 /* init pts */
868 for(i=0;i<nb_istreams;i++) {
869 ist = ist_table[i];
870 ist->pts = 0;
871 ist->frame_number = 0;
872 }
873
874 /* compute buffer size max (should use a complete heuristic) */
875 for(i=0;i<nb_input_files;i++) {
876 file_table[i].buffer_size_max = 2048;
877 }
878
879 /* open files and write file headers */
880 for(i=0;i<nb_output_files;i++) {
881 os = output_files[i];
a38469e1
FB
882 if (os->format->write_header(os) < 0) {
883 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
884 ret = -EINVAL;
885 goto fail;
886 }
85f07f22
FB
887 }
888
a38469e1
FB
889#ifndef CONFIG_WIN32
890 if (!do_play) {
891 fprintf(stderr, "Press [q] to stop encoding\n");
892 } else {
893 fprintf(stderr, "Press [q] to stop playing\n");
894 }
895#endif
896 term_init();
897
85f07f22
FB
898 start_time = gettime();
899 min_pts = 0;
51bd4565
PG
900 stream_no_data = 0;
901
85f07f22
FB
902 for(;;) {
903 int file_index, ist_index;
904 AVPacket pkt;
905 UINT8 *ptr;
906 int len;
907 UINT8 *data_buf;
908 int data_size, got_picture;
909 AVPicture picture;
910 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
911
85f07f22 912 redo:
a38469e1
FB
913 /* if 'q' pressed, exits */
914 if (read_key() == 'q')
915 break;
916
917 /* select the input file with the smallest pts */
85f07f22 918 file_index = -1;
bdc4796f 919 min_pts = MAXINT64;
85f07f22
FB
920 for(i=0;i<nb_istreams;i++) {
921 ist = ist_table[i];
51bd4565
PG
922 /* For some reason, the pts_increment code breaks q estimation?!? */
923 if (!ist->discard && !file_table[ist->file_index].eof_reached &&
924 ist->pts /* + ist->pts_increment */ < min_pts && input_files[ist->file_index] != stream_no_data) {
925 min_pts = ist->pts /* + ist->pts_increment */;
85f07f22
FB
926 file_index = ist->file_index;
927 }
928 }
929 /* if none, if is finished */
51bd4565
PG
930 if (file_index < 0) {
931 if (stream_no_data) {
932 struct timespec ts;
933
934 ts.tv_sec = 0;
935 ts.tv_nsec = 1000 * 1000 * 10;
936 nanosleep(&ts, 0);
937 stream_no_data = 0;
938 continue;
939 }
85f07f22 940 break;
51bd4565 941 }
85f07f22
FB
942 /* finish if recording time exhausted */
943 if (recording_time > 0 && min_pts >= recording_time)
944 break;
945 /* read a packet from it and output it in the fifo */
85f07f22
FB
946 is = input_files[file_index];
947 if (av_read_packet(is, &pkt) < 0) {
948 file_table[file_index].eof_reached = 1;
949 continue;
950 }
51bd4565
PG
951 if (!pkt.size) {
952 stream_no_data = is;
953 } else {
954 stream_no_data = 0;
955 }
85f07f22
FB
956 ist_index = file_table[file_index].ist_index + pkt.stream_index;
957 ist = ist_table[ist_index];
958 if (ist->discard) {
959 continue;
960 }
961
51bd4565
PG
962 if (pkt.flags & PKT_FLAG_DROPPED_FRAME)
963 ist->frame_number++;
964
a0663ba4
FB
965 if (do_hex_dump) {
966 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
967 hex_dump(pkt.data, pkt.size);
968 }
85f07f22
FB
969
970 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
971
972 len = pkt.size;
973 ptr = pkt.data;
974 while (len > 0) {
975
976 /* decode the packet if needed */
977 data_buf = NULL; /* fail safe */
978 data_size = 0;
979 if (ist->decoding_needed) {
980 switch(ist->st->codec.codec_type) {
981 case CODEC_TYPE_AUDIO:
a0663ba4
FB
982 /* XXX: could avoid copy if PCM 16 bits with same
983 endianness as CPU */
984 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
985 ptr, len);
986 if (ret < 0)
987 goto fail_decode;
afc80f59
J
988 /* Some bug in mpeg audio decoder gives */
989 /* data_size < 0, it seems they are overflows */
990 if (data_size <= 0) {
a0663ba4
FB
991 /* no audio frame */
992 ptr += ret;
993 len -= ret;
994 continue;
85f07f22 995 }
a0663ba4 996 data_buf = (UINT8 *)samples;
85f07f22
FB
997 break;
998 case CODEC_TYPE_VIDEO:
999 if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
1000 int size;
1001 size = (ist->st->codec.width * ist->st->codec.height);
cfcf0ffd
FB
1002 avpicture_fill(&picture, ptr,
1003 ist->st->codec.pix_fmt,
1004 ist->st->codec.width,
1005 ist->st->codec.height);
85f07f22
FB
1006 ret = len;
1007 } else {
1008 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1009 ret = avcodec_decode_video(&ist->st->codec,
1010 &picture, &got_picture, ptr, len);
1011 if (ret < 0) {
1012 fail_decode:
1013 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1014 ist->file_index, ist->index);
1015 av_free_packet(&pkt);
1016 goto redo;
1017 }
1018 if (!got_picture) {
1019 /* no picture yet */
1020 ptr += ret;
1021 len -= ret;
1022 continue;
1023 }
6dc96cb0 1024
85f07f22
FB
1025 }
1026 break;
1027 default:
1028 goto fail_decode;
1029 }
1030 } else {
1031 data_buf = ptr;
1032 data_size = len;
1033 ret = len;
1034 }
6dc96cb0
J
1035 /* init tickers */
1036 if (!ist->ticker_inited) {
1037 switch (ist->st->codec.codec_type) {
1038 case CODEC_TYPE_AUDIO:
1039 ticker_init(&ist->pts_ticker,
1040 (INT64)ist->st->codec.sample_rate,
1041 (INT64)(1000000));
1042 ist->ticker_inited = 1;
1043 break;
1044 case CODEC_TYPE_VIDEO:
1045 ticker_init(&ist->pts_ticker,
1046 (INT64)ist->st->r_frame_rate,
1047 ((INT64)1000000 * FRAME_RATE_BASE));
1048 ist->ticker_inited = 1;
1049 break;
1050 default:
1051 abort();
1052 }
1053 }
85f07f22
FB
1054 /* update pts */
1055 switch(ist->st->codec.codec_type) {
1056 case CODEC_TYPE_AUDIO:
6dc96cb0
J
1057 //ist->pts = (INT64)1000000 * ist->sample_index / ist->st->codec.sample_rate;
1058 ist->pts = ticker_tick(&ist->pts_ticker, ist->sample_index);
85f07f22 1059 ist->sample_index += data_size / (2 * ist->st->codec.channels);
51bd4565 1060 ist->pts_increment = (INT64) (data_size / (2 * ist->st->codec.channels)) * 1000000 / ist->st->codec.sample_rate;
85f07f22
FB
1061 break;
1062 case CODEC_TYPE_VIDEO:
1063 ist->frame_number++;
6dc96cb0
J
1064 //ist->pts = ((INT64)ist->frame_number * 1000000 * FRAME_RATE_BASE) /
1065 // ist->st->codec.frame_rate;
1066 ist->pts = ticker_tick(&ist->pts_ticker, ist->frame_number);
51bd4565
PG
1067 ist->pts_increment = ((INT64) 1000000 * FRAME_RATE_BASE) /
1068 ist->st->codec.frame_rate;
85f07f22 1069 break;
51bd4565
PG
1070 default:
1071 abort();
85f07f22
FB
1072 }
1073 ptr += ret;
1074 len -= ret;
1075
1076 /* transcode raw format, encode packets and output them */
1077
1078 for(i=0;i<nb_ostreams;i++) {
ce7c56c2 1079 int frame_size;
85f07f22
FB
1080 ost = ost_table[i];
1081 if (ost->source_index == ist_index) {
1082 os = output_files[ost->file_index];
1083
1084 if (ost->encoding_needed) {
1085 switch(ost->st->codec.codec_type) {
1086 case CODEC_TYPE_AUDIO:
1087 do_audio_out(os, ost, ist, data_buf, data_size);
1088 break;
1089 case CODEC_TYPE_VIDEO:
ce7c56c2
J
1090 do_video_out(os, ost, ist, &picture, &frame_size);
1091 if (do_vstats)
1092 do_video_stats(ost, ist, frame_size);
85f07f22 1093 break;
51bd4565
PG
1094 default:
1095 abort();
85f07f22
FB
1096 }
1097 } else {
1098 /* no reencoding needed : output the packet directly */
10bb7023
J
1099 /* force the input stream PTS */
1100 os->format->write_packet(os, ost->index, data_buf, data_size, pkt.pts);
85f07f22
FB
1101 }
1102 }
1103 }
1104 }
1105 av_free_packet(&pkt);
1106
1107 /* dump report by using the first video and audio streams */
1108 {
1109 char buf[1024];
1110 AVFormatContext *oc;
1111 INT64 total_size, ti;
1112 AVCodecContext *enc;
1113 int frame_number, vid;
1114 double bitrate, ti1;
1115 static INT64 last_time;
1116
1117 if ((min_pts - last_time) >= 500000) {
1118 last_time = min_pts;
1119
1120 oc = output_files[0];
1121
1122 total_size = url_ftell(&oc->pb);
1123
1124 buf[0] = '\0';
bdc4796f 1125 ti = MAXINT64;
85f07f22
FB
1126 vid = 0;
1127 for(i=0;i<nb_ostreams;i++) {
1128 ost = ost_table[i];
1129 enc = &ost->st->codec;
1130 ist = ist_table[ost->source_index];
1131 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1132 frame_number = ist->frame_number;
1133 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1134 frame_number, enc->quality);
43f1708f
J
1135 if (do_psnr)
1136 sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
85f07f22
FB
1137 vid = 1;
1138 }
1139 /* compute min pts value */
1140 if (!ist->discard && ist->pts < ti) {
1141 ti = ist->pts;
1142 }
1143 }
1144
bdc4796f 1145 ti1 = (double)ti / 1000000.0;
ce7c56c2
J
1146 if (ti1 < 0.01)
1147 ti1 = 0.01;
85f07f22
FB
1148 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1149
bdc4796f
FB
1150 sprintf(buf + strlen(buf),
1151 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1152 (double)total_size / 1024, ti1, bitrate);
85f07f22 1153
ce7c56c2 1154 fprintf(stderr, "%s \r", buf);
85f07f22
FB
1155 fflush(stderr);
1156 }
1157 }
1158 }
a38469e1 1159 term_exit();
85f07f22
FB
1160
1161 /* dump report by using the first video and audio streams */
1162 {
1163 char buf[1024];
1164 AVFormatContext *oc;
1165 INT64 total_size, ti;
1166 AVCodecContext *enc;
1167 int frame_number, vid;
1168 double bitrate, ti1;
1169
1170 oc = output_files[0];
1171
1172 total_size = url_ftell(&oc->pb);
1173
1174 buf[0] = '\0';
bdc4796f 1175 ti = MAXINT64;
85f07f22
FB
1176 vid = 0;
1177 for(i=0;i<nb_ostreams;i++) {
1178 ost = ost_table[i];
1179 enc = &ost->st->codec;
1180 ist = ist_table[ost->source_index];
1181 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1182 frame_number = ist->frame_number;
1183 sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
1184 frame_number, enc->quality);
43f1708f
J
1185 if (do_psnr)
1186 sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
85f07f22
FB
1187 vid = 1;
1188 }
1189 /* compute min pts value */
1190 if (!ist->discard && ist->pts < ti) {
1191 ti = ist->pts;
1192 }
1193 }
1194
1195 ti1 = ti / 1000000.0;
ce7c56c2
J
1196 if (ti1 < 0.01)
1197 ti1 = 0.01;
85f07f22
FB
1198 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1199
bdc4796f
FB
1200 sprintf(buf + strlen(buf),
1201 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1202 (double)total_size / 1024, ti1, bitrate);
85f07f22 1203
ce7c56c2 1204 fprintf(stderr, "%s \n", buf);
85f07f22
FB
1205 }
1206 /* close each encoder */
1207 for(i=0;i<nb_ostreams;i++) {
1208 ost = ost_table[i];
1209 if (ost->encoding_needed) {
1210 avcodec_close(&ost->st->codec);
1211 }
1212 }
1213
1214 /* close each decoder */
1215 for(i=0;i<nb_istreams;i++) {
1216 ist = ist_table[i];
1217 if (ist->decoding_needed) {
1218 avcodec_close(&ist->st->codec);
1219 }
1220 }
1221
1222
1223 /* write the trailer if needed and close file */
1224 for(i=0;i<nb_output_files;i++) {
1225 os = output_files[i];
1226 os->format->write_trailer(os);
1227 }
1228 /* finished ! */
1229
1230 ret = 0;
1231 fail1:
bdc4796f
FB
1232 free(file_table);
1233
85f07f22
FB
1234 if (ist_table) {
1235 for(i=0;i<nb_istreams;i++) {
1236 ist = ist_table[i];
1237 if (ist) {
1238 free(ist);
1239 }
1240 }
1241 free(ist_table);
1242 }
1243 if (ost_table) {
1244 for(i=0;i<nb_ostreams;i++) {
1245 ost = ost_table[i];
1246 if (ost) {
1247 if (ost->pict_tmp.data[0])
1248 free(ost->pict_tmp.data[0]);
1249 if (ost->video_resample)
1250 img_resample_close(ost->img_resample_ctx);
1251 if (ost->audio_resample)
1252 audio_resample_close(ost->resample);
1253 free(ost);
1254 }
1255 }
1256 free(ost_table);
1257 }
1258 return ret;
1259 fail:
1260 ret = -ENOMEM;
1261 goto fail1;
1262}
1263
1264#if 0
1265int file_read(const char *filename)
1266{
1267 URLContext *h;
1268 unsigned char buffer[1024];
1269 int len, i;
1270
1271 if (url_open(&h, filename, O_RDONLY) < 0) {
1272 printf("could not open '%s'\n", filename);
1273 return -1;
1274 }
1275 for(;;) {
1276 len = url_read(h, buffer, sizeof(buffer));
1277 if (len <= 0)
1278 break;
1279 for(i=0;i<len;i++) putchar(buffer[i]);
1280 }
1281 url_close(h);
1282 return 0;
1283}
1284#endif
1285
1286void show_licence(void)
1287{
1288 printf(
1289 "ffmpeg version " FFMPEG_VERSION "\n"
1290 "Copyright (c) 2000,2001 Gerard Lantau\n"
1291 "This program is free software; you can redistribute it and/or modify\n"
1292 "it under the terms of the GNU General Public License as published by\n"
1293 "the Free Software Foundation; either version 2 of the License, or\n"
1294 "(at your option) any later version.\n"
1295 "\n"
1296 "This program is distributed in the hope that it will be useful,\n"
1297 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
1298 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
1299 "GNU General Public License for more details.\n"
1300 "\n"
1301 "You should have received a copy of the GNU General Public License\n"
1302 "along with this program; if not, write to the Free Software\n"
1303 "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n"
1304 );
1305 exit(1);
1306}
1307
1308void opt_format(const char *arg)
1309{
1310 AVFormat *f;
1311 f = first_format;
1312 while (f != NULL && strcmp(f->name, arg) != 0) f = f->next;
1313 if (f == NULL) {
1314 fprintf(stderr, "Invalid format: %s\n", arg);
1315 exit(1);
1316 }
1317 file_format = f;
1318}
1319
1320void opt_video_bitrate(const char *arg)
1321{
1322 video_bit_rate = atoi(arg) * 1000;
1323}
1324
9cdd6a24
MN
1325void opt_video_bitrate_tolerance(const char *arg)
1326{
1327 video_bit_rate_tolerance = atoi(arg) * 1000;
1328}
1329
85f07f22
FB
1330void opt_frame_rate(const char *arg)
1331{
1332 frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
1333}
1334
1335void opt_frame_size(const char *arg)
1336{
1337 parse_image_size(&frame_width, &frame_height, arg);
1338 if (frame_width <= 0 || frame_height <= 0) {
1339 fprintf(stderr, "Incorrect frame size\n");
1340 exit(1);
1341 }
1342 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1343 fprintf(stderr, "Frame size must be a multiple of 2\n");
1344 exit(1);
1345 }
1346}
1347
1348void opt_gop_size(const char *arg)
1349{
1350 gop_size = atoi(arg);
1351}
1352
bc6caae2
J
1353void opt_b_frames(const char *arg)
1354{
1355 b_frames = atoi(arg);
1356 if (b_frames > FF_MAX_B_FRAMES) {
1357 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1358 exit(1);
1359 } else if (b_frames < 1) {
1360 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1361 exit(1);
1362 }
1363}
1364
85f07f22
FB
1365void opt_qscale(const char *arg)
1366{
1367 video_qscale = atoi(arg);
1368 if (video_qscale < 0 ||
1369 video_qscale > 31) {
1370 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1371 exit(1);
1372 }
1373}
1374
9cdd6a24
MN
1375void opt_qmin(const char *arg)
1376{
1377 video_qmin = atoi(arg);
1378 if (video_qmin < 0 ||
1379 video_qmin > 31) {
1380 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1381 exit(1);
1382 }
1383}
1384
1385void opt_qmax(const char *arg)
1386{
1387 video_qmax = atoi(arg);
1388 if (video_qmax < 0 ||
1389 video_qmax > 31) {
1390 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1391 exit(1);
1392 }
1393}
1394
1395void opt_qdiff(const char *arg)
1396{
1397 video_qdiff = atoi(arg);
1398 if (video_qdiff < 0 ||
1399 video_qdiff > 31) {
1400 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1401 exit(1);
1402 }
1403}
1404
1405void opt_qblur(const char *arg)
1406{
1407 video_qblur = atof(arg);
1408}
1409
1410void opt_qcomp(const char *arg)
1411{
1412 video_qcomp = atof(arg);
1413}
85f07f22
FB
1414
1415void opt_audio_bitrate(const char *arg)
1416{
1417 audio_bit_rate = atoi(arg) * 1000;
1418}
1419
1420void opt_audio_rate(const char *arg)
1421{
1422 audio_sample_rate = atoi(arg);
1423}
1424
1425void opt_audio_channels(const char *arg)
1426{
1427 audio_channels = atoi(arg);
1428}
1429
bdc4796f 1430#ifdef CONFIG_GRAB
85f07f22
FB
1431void opt_video_device(const char *arg)
1432{
1433 v4l_device = strdup(arg);
1434}
1435
1436void opt_audio_device(const char *arg)
1437{
1438 audio_device = strdup(arg);
1439}
bdc4796f 1440#endif
85f07f22
FB
1441
1442void opt_audio_codec(const char *arg)
1443{
1444 AVCodec *p;
1445
1446 p = first_avcodec;
1447 while (p) {
1448 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1449 break;
1450 p = p->next;
1451 }
1452 if (p == NULL) {
1453 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1454 exit(1);
1455 } else {
1456 audio_codec_id = p->id;
1457 }
1458}
1459
1460const char *motion_str[] = {
1461 "zero",
1462 "full",
1463 "log",
1464 "phods",
7084c149
MN
1465 "epzs",
1466 "x1",
85f07f22
FB
1467 NULL,
1468};
1469
1470void opt_motion_estimation(const char *arg)
1471{
1472 const char **p;
1473 p = motion_str;
1474 for(;;) {
1475 if (!*p) {
1476 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1477 exit(1);
1478 }
1479 if (!strcmp(*p, arg))
1480 break;
1481 p++;
1482 }
101bea5f 1483 me_method = (p - motion_str) + 1;
85f07f22
FB
1484}
1485
1486void opt_video_codec(const char *arg)
1487{
1488 AVCodec *p;
1489
1490 p = first_avcodec;
1491 while (p) {
1492 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
1493 break;
1494 p = p->next;
1495 }
1496 if (p == NULL) {
1497 fprintf(stderr, "Unknown video codec '%s'\n", arg);
1498 exit(1);
1499 } else {
1500 video_codec_id = p->id;
1501 }
1502}
1503
1504void opt_map(const char *arg)
1505{
1506 AVStreamMap *m;
1507 const char *p;
1508
1509 p = arg;
1510 m = &stream_maps[nb_stream_maps++];
1511
1512 m->file_index = strtol(arg, (char **)&p, 0);
1513 if (*p)
1514 p++;
a5dc85ef
J
1515
1516 m->stream_index = strtol(p, (char **)&p, 0);
85f07f22
FB
1517}
1518
1519void opt_recording_time(const char *arg)
1520{
1521 recording_time = parse_date(arg, 1);
1522}
1523
1524/* return the number of packet read to find the codec parameters */
1525int find_codec_parameters(AVFormatContext *ic)
1526{
1527 int val, i, count, ret, got_picture, size;
1528 AVCodec *codec;
1529 AVCodecContext *enc;
1530 AVStream *st;
1531 AVPacket *pkt;
1532 AVPicture picture;
6dc96cb0 1533 AVPacketList *pktl=NULL, **ppktl;
85f07f22
FB
1534 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1535 UINT8 *ptr;
1536
1537 count = 0;
1538 ppktl = &ic->packet_buffer;
1539 for(;;) {
1540 for(i=0;i<ic->nb_streams;i++) {
1541 enc = &ic->streams[i]->codec;
1542
1543 switch(enc->codec_type) {
1544 case CODEC_TYPE_AUDIO:
1545 val = enc->sample_rate;
1546 break;
1547 case CODEC_TYPE_VIDEO:
1548 val = enc->width;
1549 break;
1550 default:
1551 val = 1;
1552 break;
1553 }
1554 /* if no parameters supplied, then we should read it from
1555 the stream */
1556 if (val == 0)
1557 break;
1558 }
1559 if (i == ic->nb_streams) {
1560 ret = count;
1561 break;
1562 }
1563
1564 if (count == 0) {
1565 /* open each codec */
1566 for(i=0;i<ic->nb_streams;i++) {
1567 st = ic->streams[i];
1568 codec = avcodec_find_decoder(st->codec.codec_id);
1569 if (codec == NULL) {
1570 ret = -1;
1571 goto the_end;
1572 }
fffcb5e8
J
1573 ret = avcodec_open(&st->codec, codec);
1574 if (ret < 0)
1575 goto the_end;
85f07f22
FB
1576 }
1577 }
1578 pktl = av_mallocz(sizeof(AVPacketList));
1579 if (!pktl) {
1580 ret = -1;
1581 break;
1582 }
1583
1584 /* add the packet in the buffered packet list */
1585 *ppktl = pktl;
1586 ppktl = &pktl->next;
1587
1588 pkt = &pktl->pkt;
1589 if (ic->format->read_packet(ic, pkt) < 0) {
1590 ret = -1;
1591 break;
1592 }
1593 st = ic->streams[pkt->stream_index];
6dc96cb0 1594
85f07f22
FB
1595 /* decode the data and update codec parameters */
1596 ptr = pkt->data;
1597 size = pkt->size;
1598 while (size > 0) {
1599 switch(st->codec.codec_type) {
1600 case CODEC_TYPE_VIDEO:
1601 ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
6dc96cb0
J
1602 if (st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1603 //mpegvid = pkt->stream_index;
1604 //fps = st->codec.frame_rate;
1605 }
85f07f22
FB
1606 break;
1607 case CODEC_TYPE_AUDIO:
1608 ret = avcodec_decode_audio(&st->codec, samples, &got_picture, ptr, size);
1609 break;
1610 default:
1611 ret = -1;
1612 break;
1613 }
1614 if (ret < 0) {
1615 ret = -1;
1616 goto the_end;
1617 }
1618 if (got_picture)
1619 break;
1620 ptr += ret;
1621 size -= ret;
1622 }
1623
1624 count++;
1625 }
1626 the_end:
6dc96cb0 1627 if (count > 0) {
85f07f22
FB
1628 /* close each codec */
1629 for(i=0;i<ic->nb_streams;i++) {
1630 st = ic->streams[i];
1631 avcodec_close(&st->codec);
1632 }
1633 }
1634 return ret;
1635}
1636
6dc96cb0
J
1637/* Returns the real frame rate of telecine streams */
1638int get_real_fps(AVFormatContext *ic, AVFormat *fmt, AVFormatParameters *ap, int stream_id)
1639{
1640 int frame_num, r_frames, fps, rfps;
1641 int ret, got_picture, size;
1642 UINT8 *ptr;
1643 AVStream *st;
1644 AVPacket *pkt;
1645 AVPicture picture;
1646 AVPacketList *pktl=NULL, **ppktl=NULL;
1647 AVCodec *codec;
1648 AVFormatContext *fc;
1649
1650 frame_num = 0;
1651 r_frames = 0;
1652 fps = rfps = -1;
1653 if (stream_id < 0 || stream_id >= ic->nb_streams)
1654 return -1;
1655
1656 /* We must use another AVFormatContext, and open the
1657 file again, since we do not have good seeking */
1658 fc = av_mallocz(sizeof(AVFormatContext));
1659 if (!fc)
1660 goto the_end;
1661
1662 strcpy(fc->filename, ic->filename);
1663
1664 /* open file */
1665 if (!(fmt->flags & AVFMT_NOFILE)) {
1666 if (url_fopen(&fc->pb, fc->filename, URL_RDONLY) < 0) {
1667 fprintf(stderr, "Could not open '%s'\n", fc->filename);
1668 exit(1);
1669 }
1670 }
1671
1672 /* check format */
1673 if (!fmt) {
1674 goto the_end;
1675 }
1676 fc->format = fmt;
1677
1678 /* Read header */
1679 ret = fc->format->read_header(fc, ap);
1680 if (ret < 0) {
1681 fprintf(stderr, "%s: Error while parsing header\n", fc->filename);
1682 goto the_end;
1683 }
1684
1685 /* Find and open codec */
1686 st = fc->streams[stream_id];
1687 codec = avcodec_find_decoder(st->codec.codec_id);
1688 if (codec == NULL) {
1689 goto the_end;
1690 }
1691 ret = avcodec_open(&st->codec, codec);
1692 if (ret < 0)
1693 goto the_end;
1694
1695 ppktl = &fc->packet_buffer;
1696 if (stream_id > -1) {
1697 /* check telecine MPEG video streams, we */
1698 /* decode 40 frames to get the real fps */
1699 while(1) {
1700
1701 pktl = av_mallocz(sizeof(AVPacketList));
1702 if (!pktl) {
1703 goto the_end;
1704 break;
1705 }
1706 /* add the packet in the buffered packet list */
1707 *ppktl = pktl;
1708 ppktl = &pktl->next;
1709
1710 pkt = &pktl->pkt;
1711 if (fc->format->read_packet(fc, pkt) < 0) {
1712 goto the_end;
1713 break;
1714 }
1715 st = fc->streams[pkt->stream_index];
1716
1717 /* decode the video */
1718 ptr = pkt->data;
1719 size = pkt->size;
1720 while (size > 0) {
1721 if (pkt->stream_index == stream_id) {
1722 ret = avcodec_decode_video(&st->codec, &picture, &got_picture, ptr, size);
1723 fps = st->codec.frame_rate;
1724 if (ret < 0) {
1725 goto the_end;
1726 }
1727 if (got_picture) {
1728 frame_num++;
1729 r_frames += st->codec.repeat_pict;
1730 }
1731 }
1732 ptr += ret;
1733 size -= ret;
1734 }
1735 if (frame_num > 39)
1736 break;
1737 }
1738 rfps = (fps * frame_num) / (frame_num + (r_frames >> 1));
1739 /* close codec */
1740 avcodec_close(&st->codec);
1741 }
1742the_end:
1743 /* FIXME: leak in packet_buffer */
1744 if (fc)
1745 free(fc);
1746 return rfps;
1747}
1748
919f448d
FB
1749int filename_number_test(const char *filename)
1750{
1751 char buf[1024];
1752
1753 if (get_frame_filename(buf, sizeof(buf), filename, 1) < 0) {
1754 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
1755 "Use '%%d' to specify the image number:\n"
1756 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
1757 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
1758 filename);
1759 return -1;
1760 } else {
1761 return 0;
1762 }
1763}
85f07f22
FB
1764
1765void opt_input_file(const char *filename)
1766{
1767 AVFormatContext *ic;
1768 AVFormatParameters params, *ap = &params;
1769 URLFormat url_format;
1770 AVFormat *fmt;
6dc96cb0 1771 int err, i, ret, rfps;
85f07f22
FB
1772
1773 ic = av_mallocz(sizeof(AVFormatContext));
1774 strcpy(ic->filename, filename);
1775 /* first format guess to know if we must open file */
1776 fmt = file_format;
1777 if (!fmt)
1778 fmt = guess_format(NULL, filename, NULL);
1779
1780 if (fmt == NULL || !(fmt->flags & AVFMT_NOFILE)) {
1781 /* open file */
1782 if (url_fopen(&ic->pb, filename, URL_RDONLY) < 0) {
1783 fprintf(stderr, "Could not open '%s'\n", filename);
1784 exit(1);
1785 }
1786
1787 /* find format and set default parameters */
1788 fmt = file_format;
1789 err = url_getformat(url_fileno(&ic->pb), &url_format);
1790 if (err >= 0) {
1791 if (!fmt)
1792 fmt = guess_format(url_format.format_name, NULL, NULL);
1793 ap->sample_rate = url_format.sample_rate;
1794 ap->frame_rate = url_format.frame_rate;
1795 ap->channels = url_format.channels;
1796 ap->width = url_format.width;
1797 ap->height = url_format.height;
1798 ap->pix_fmt = url_format.pix_fmt;
1799 } else {
1800 if (!fmt)
1801 fmt = guess_format(NULL, filename, NULL);
1802 memset(ap, 0, sizeof(*ap));
1803 }
1804 } else {
1805 memset(ap, 0, sizeof(*ap));
1806 }
1807
1808 if (!fmt || !fmt->read_header) {
1809 fprintf(stderr, "%s: Unknown file format\n", filename);
1810 exit(1);
1811 }
1812 ic->format = fmt;
1813
1814 /* get default parameters from command line */
1815 if (!ap->sample_rate)
1816 ap->sample_rate = audio_sample_rate;
1817 if (!ap->channels)
1818 ap->channels = audio_channels;
1819
1820 if (!ap->frame_rate)
1821 ap->frame_rate = frame_rate;
1822 if (!ap->width)
1823 ap->width = frame_width;
1824 if (!ap->height)
1825 ap->height = frame_height;
919f448d
FB
1826
1827 /* check filename in case of an image number is expected */
1828 if (ic->format->flags & AVFMT_NEEDNUMBER) {
1829 if (filename_number_test(ic->filename) < 0)
1830 exit(1);
1831 }
85f07f22
FB
1832
1833 err = ic->format->read_header(ic, ap);
1834 if (err < 0) {
1835 fprintf(stderr, "%s: Error while parsing header\n", filename);
1836 exit(1);
1837 }
1838
1839 /* If not enough info for the codecs, we decode the first frames
1840 to get it. (used in mpeg case for example) */
1841 ret = find_codec_parameters(ic);
1842 if (ret < 0) {
1843 fprintf(stderr, "%s: could not find codec parameters\n", filename);
1844 exit(1);
1845 }
1846
1847 /* update the current parameters so that they match the one of the input stream */
1848 for(i=0;i<ic->nb_streams;i++) {
1849 AVCodecContext *enc = &ic->streams[i]->codec;
1850 switch(enc->codec_type) {
1851 case CODEC_TYPE_AUDIO:
e0d2714a 1852 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
85f07f22
FB
1853 audio_channels = enc->channels;
1854 audio_sample_rate = enc->sample_rate;
1855 break;
1856 case CODEC_TYPE_VIDEO:
1857 frame_height = enc->height;
1858 frame_width = enc->width;
6dc96cb0
J
1859 rfps = enc->frame_rate;
1860 if (enc->codec_id == CODEC_ID_MPEG1VIDEO) {
1861 rfps = get_real_fps(ic, fmt, ap, i);
1862 }
1863 if (rfps > 0 && rfps != enc->frame_rate) {
1864 frame_rate = rfps;
1865 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
1866 i, (float)enc->frame_rate / FRAME_RATE_BASE,
1867 (float)rfps / FRAME_RATE_BASE);
1868 } else
1869 frame_rate = enc->frame_rate;
1870 ic->streams[i]->r_frame_rate = rfps;
85f07f22 1871 break;
51bd4565
PG
1872 default:
1873 abort();
85f07f22
FB
1874 }
1875 }
1876
1877 input_files[nb_input_files] = ic;
1878 /* dump the file content */
1879 dump_format(ic, nb_input_files, filename, 0);
1880 nb_input_files++;
1881 file_format = NULL;
1882}
1883
919f448d
FB
1884void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
1885{
1886 int has_video, has_audio, i, j;
1887 AVFormatContext *ic;
1888
1889 has_video = 0;
1890 has_audio = 0;
1891 for(j=0;j<nb_input_files;j++) {
1892 ic = input_files[j];
1893 for(i=0;i<ic->nb_streams;i++) {
1894 AVCodecContext *enc = &ic->streams[i]->codec;
1895 switch(enc->codec_type) {
1896 case CODEC_TYPE_AUDIO:
1897 has_audio = 1;
1898 break;
1899 case CODEC_TYPE_VIDEO:
1900 has_video = 1;
1901 break;
51bd4565
PG
1902 default:
1903 abort();
919f448d
FB
1904 }
1905 }
1906 }
1907 *has_video_ptr = has_video;
1908 *has_audio_ptr = has_audio;
1909}
1910
85f07f22
FB
1911void opt_output_file(const char *filename)
1912{
1913 AVStream *st;
1914 AVFormatContext *oc;
919f448d 1915 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
85f07f22
FB
1916 int codec_id;
1917
1918 if (!strcmp(filename, "-"))
1919 filename = "pipe:";
1920
1921 oc = av_mallocz(sizeof(AVFormatContext));
1922
1923 if (!file_format) {
1924 file_format = guess_format(NULL, filename, NULL);
1925 if (!file_format)
1926 file_format = &mpeg_mux_format;
1927 }
1928
1929 oc->format = file_format;
1930
1931 if (!strcmp(file_format->name, "ffm") &&
1932 strstart(filename, "http:", NULL)) {
1933 /* special case for files sent to ffserver: we get the stream
1934 parameters from ffserver */
1935 if (read_ffserver_streams(oc, filename) < 0) {
1936 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
1937 exit(1);
1938 }
1939 } else {
1940 use_video = file_format->video_codec != CODEC_ID_NONE;
1941 use_audio = file_format->audio_codec != CODEC_ID_NONE;
919f448d 1942
e30a2846
FB
1943 /* disable if no corresponding type found and at least one
1944 input file */
1945 if (nb_input_files > 0) {
1946 check_audio_video_inputs(&input_has_video, &input_has_audio);
1947 if (!input_has_video)
1948 use_video = 0;
1949 if (!input_has_audio)
1950 use_audio = 0;
1951 }
919f448d
FB
1952
1953 /* manual disable */
85f07f22
FB
1954 if (audio_disable) {
1955 use_audio = 0;
1956 }
1957 if (video_disable) {
1958 use_video = 0;
1959 }
1960
1961 nb_streams = 0;
1962 if (use_video) {
1963 AVCodecContext *video_enc;
1964
1965 st = av_mallocz(sizeof(AVStream));
1966 if (!st) {
1967 fprintf(stderr, "Could not alloc stream\n");
1968 exit(1);
1969 }
1970 video_enc = &st->codec;
1971
1972 codec_id = file_format->video_codec;
1973 if (video_codec_id != CODEC_ID_NONE)
1974 codec_id = video_codec_id;
1975
1976 video_enc->codec_id = codec_id;
1977 video_enc->codec_type = CODEC_TYPE_VIDEO;
1978
1979 video_enc->bit_rate = video_bit_rate;
9cdd6a24 1980 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
85f07f22
FB
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 }
9cdd6a24 1993
e4986da9
J
1994 if (use_hq) {
1995 video_enc->flags |= CODEC_FLAG_HQ;
1996 }
1997
29da453b
J
1998 if (use_4mv) {
1999 video_enc->flags |= CODEC_FLAG_HQ;
2000 video_enc->flags |= CODEC_FLAG_4MV;
2001 }
bc6caae2
J
2002
2003 if (b_frames) {
2004 if (codec_id != CODEC_ID_MPEG4) {
2005 fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
2006 exit(1);
2007 }
2008 video_enc->max_b_frames = b_frames;
2009 video_enc->b_frame_strategy = 0;
2010 video_enc->b_quant_factor = 2.0;
2011 }
2012
2013 video_enc->qmin = video_qmin;
2014 video_enc->qmax = video_qmax;
2015 video_enc->max_qdiff = video_qdiff;
2016 video_enc->qblur = video_qblur;
2017 video_enc->qcompress = video_qcomp;
9cdd6a24 2018
43f1708f
J
2019 if (do_psnr)
2020 video_enc->get_psnr = 1;
2021 else
2022 video_enc->get_psnr = 0;
e4986da9 2023
101bea5f 2024 video_enc->me_method = me_method;
e4986da9 2025
cfcf0ffd
FB
2026 /* XXX: need to find a way to set codec parameters */
2027 if (oc->format == &ppm_format ||
2028 oc->format == &ppmpipe_format) {
2029 video_enc->pix_fmt = PIX_FMT_RGB24;
2030 }
85f07f22
FB
2031
2032 oc->streams[nb_streams] = st;
2033 nb_streams++;
2034 }
2035
2036 if (use_audio) {
2037 AVCodecContext *audio_enc;
2038
2039 st = av_mallocz(sizeof(AVStream));
2040 if (!st) {
2041 fprintf(stderr, "Could not alloc stream\n");
2042 exit(1);
2043 }
2044 audio_enc = &st->codec;
2045 codec_id = file_format->audio_codec;
2046 if (audio_codec_id != CODEC_ID_NONE)
2047 codec_id = audio_codec_id;
2048 audio_enc->codec_id = codec_id;
2049 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2050
2051 audio_enc->bit_rate = audio_bit_rate;
2052 audio_enc->sample_rate = audio_sample_rate;
e0d2714a
J
2053 /* For audio codecs other than AC3 we limit */
2054 /* the number of coded channels to stereo */
2055 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2056 audio_enc->channels = 2;
2057 } else
2058 audio_enc->channels = audio_channels;
85f07f22
FB
2059 oc->streams[nb_streams] = st;
2060 nb_streams++;
2061 }
2062
2063 oc->nb_streams = nb_streams;
2064
2065 if (!nb_streams) {
919f448d 2066 fprintf(stderr, "No audio or video streams available\n");
85f07f22
FB
2067 exit(1);
2068 }
2069
2070 if (str_title)
2071 nstrcpy(oc->title, sizeof(oc->title), str_title);
2072 if (str_author)
2073 nstrcpy(oc->author, sizeof(oc->author), str_author);
2074 if (str_copyright)
2075 nstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2076 if (str_comment)
2077 nstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2078 }
2079
2080 output_files[nb_output_files] = oc;
2081 /* dump the file content */
2082 dump_format(oc, nb_output_files, filename, 1);
2083 nb_output_files++;
2084
2085 strcpy(oc->filename, filename);
919f448d
FB
2086
2087 /* check filename in case of an image number is expected */
2088 if (oc->format->flags & AVFMT_NEEDNUMBER) {
2089 if (filename_number_test(oc->filename) < 0)
2090 exit(1);
2091 }
2092
85f07f22
FB
2093 if (!(oc->format->flags & AVFMT_NOFILE)) {
2094 /* test if it already exists to avoid loosing precious files */
2095 if (!file_overwrite &&
2096 (strchr(filename, ':') == NULL ||
2097 strstart(filename, "file:", NULL))) {
2098 if (url_exist(filename)) {
2099 int c;
2100
2101 printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
2102 fflush(stdout);
2103 c = getchar();
2104 if (toupper(c) != 'Y') {
2105 fprintf(stderr, "Not overwriting - exiting\n");
2106 exit(1);
2107 }
2108 }
2109 }
2110
2111 /* open the file */
2112 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2113 fprintf(stderr, "Could not open '%s'\n", filename);
2114 exit(1);
2115 }
2116 }
2117
2118 /* reset some options */
2119 file_format = NULL;
2120 audio_disable = 0;
2121 video_disable = 0;
2122 audio_codec_id = CODEC_ID_NONE;
2123 video_codec_id = CODEC_ID_NONE;
2124}
2125
a38469e1
FB
2126#ifdef CONFIG_GRAB
2127
2128/* prepare dummy protocols for grab */
2129void prepare_grab(void)
2130{
2131 int has_video, has_audio, i, j;
2132 AVFormatContext *oc;
2133 AVFormatContext *ic;
2134 AVFormatParameters ap1, *ap = &ap1;
2135
2136 /* see if audio/video inputs are needed */
2137 has_video = 0;
2138 has_audio = 0;
2139 memset(ap, 0, sizeof(*ap));
2140 for(j=0;j<nb_output_files;j++) {
2141 oc = output_files[j];
2142 for(i=0;i<oc->nb_streams;i++) {
2143 AVCodecContext *enc = &oc->streams[i]->codec;
2144 switch(enc->codec_type) {
2145 case CODEC_TYPE_AUDIO:
2146 if (enc->sample_rate > ap->sample_rate)
2147 ap->sample_rate = enc->sample_rate;
2148 if (enc->channels > ap->channels)
2149 ap->channels = enc->channels;
2150 has_audio = 1;
2151 break;
2152 case CODEC_TYPE_VIDEO:
2153 if (enc->width > ap->width)
2154 ap->width = enc->width;
2155 if (enc->height > ap->height)
2156 ap->height = enc->height;
2157 if (enc->frame_rate > ap->frame_rate)
2158 ap->frame_rate = enc->frame_rate;
2159 has_video = 1;
2160 break;
51bd4565
PG
2161 default:
2162 abort();
a38469e1
FB
2163 }
2164 }
2165 }
2166
2167 if (has_video == 0 && has_audio == 0) {
2168 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2169 exit(1);
2170 }
2171
2172 if (has_video) {
2173 ic = av_open_input_file("", "video_grab_device", 0, ap);
90da4d76
J
2174 /* by now video grab has one stream */
2175 ic->streams[0]->r_frame_rate = ap->frame_rate;
a38469e1
FB
2176 if (!ic) {
2177 fprintf(stderr, "Could not open video grab device\n");
2178 exit(1);
2179 }
2180 input_files[nb_input_files] = ic;
2181 dump_format(ic, nb_input_files, v4l_device, 0);
2182 nb_input_files++;
2183 }
2184 if (has_audio) {
2185 ic = av_open_input_file("", "audio_device", 0, ap);
2186 if (!ic) {
2187 fprintf(stderr, "Could not open audio grab device\n");
2188 exit(1);
2189 }
2190 input_files[nb_input_files] = ic;
2191 dump_format(ic, nb_input_files, audio_device, 0);
2192 nb_input_files++;
2193 }
2194}
2195
2196#else
2197
2198void prepare_grab(void)
2199{
2200 fprintf(stderr, "Must supply at least one input file\n");
2201 exit(1);
2202}
2203
2204#endif
2205
2206/* open the necessary output devices for playing */
2207void prepare_play(void)
2208{
ef0bc4c9 2209#ifndef __BEOS__
a38469e1
FB
2210 file_format = guess_format("audio_device", NULL, NULL);
2211 if (!file_format) {
2212 fprintf(stderr, "Could not find audio device\n");
2213 exit(1);
2214 }
2215
2216 opt_output_file(audio_device);
ef0bc4c9 2217#endif
a38469e1
FB
2218}
2219
2220
bdc4796f 2221#ifndef CONFIG_WIN32
5727b222
FB
2222INT64 getutime(void)
2223{
2224 struct rusage rusage;
2225
2226 getrusage(RUSAGE_SELF, &rusage);
2227 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2228}
bdc4796f
FB
2229#else
2230INT64 getutime(void)
2231{
2232 return gettime();
2233}
2234#endif
5727b222 2235
85f07f22
FB
2236void show_formats(void)
2237{
2238 AVFormat *f;
2239 URLProtocol *up;
2240 AVCodec *p;
2241 const char **pp;
2242
2243 printf("File formats:\n");
2244 printf(" Encoding:");
2245 for(f = first_format; f != NULL; f = f->next) {
2246 if (f->write_header)
2247 printf(" %s", f->name);
2248 }
2249 printf("\n");
2250 printf(" Decoding:");
2251 for(f = first_format; f != NULL; f = f->next) {
2252 if (f->read_header)
2253 printf(" %s", f->name);
2254 }
2255 printf("\n");
2256
2257 printf("Codecs:\n");
2258 printf(" Encoders:");
2259 for(p = first_avcodec; p != NULL; p = p->next) {
2260 if (p->encode)
2261 printf(" %s", p->name);
2262 }
2263 printf("\n");
2264
2265 printf(" Decoders:");
2266 for(p = first_avcodec; p != NULL; p = p->next) {
2267 if (p->decode)
2268 printf(" %s", p->name);
2269 }
2270 printf("\n");
2271
2272 printf("Supported file protocols:");
2273 for(up = first_protocol; up != NULL; up = up->next)
2274 printf(" %s:", up->name);
2275 printf("\n");
2276
2277 printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
2278 printf("Motion estimation methods:");
2279 pp = motion_str;
2280 while (*pp) {
2281 printf(" %s", *pp);
101bea5f 2282 if ((pp - motion_str + 1) == ME_ZERO)
85f07f22 2283 printf("(fastest)");
101bea5f 2284 else if ((pp - motion_str + 1) == ME_FULL)
85f07f22 2285 printf("(slowest)");
101bea5f 2286 else if ((pp - motion_str + 1) == ME_EPZS)
85f07f22
FB
2287 printf("(default)");
2288 pp++;
2289 }
2290 printf("\n");
2291 exit(1);
2292}
2293
2294void show_help(void)
2295{
a38469e1 2296 const char *prog;
85f07f22
FB
2297 const OptionDef *po;
2298 int i, expert;
a38469e1
FB
2299
2300 prog = do_play ? "ffplay" : "ffmpeg";
85f07f22 2301
a38469e1
FB
2302 printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001 Gerard Lantau\n",
2303 prog);
2304
2305 if (!do_play) {
2306 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2307 "Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
2308 } else {
2309 printf("usage: ffplay [options] input_file...\n"
2310 "Simple audio player\n");
2311 }
2312
2313 printf("\n"
85f07f22
FB
2314 "Main options are:\n");
2315 for(i=0;i<2;i++) {
2316 if (i == 1)
2317 printf("\nAdvanced options are:\n");
2318 for(po = options; po->name != NULL; po++) {
2319 char buf[64];
2320 expert = (po->flags & OPT_EXPERT) != 0;
2321 if (expert == i) {
2322 strcpy(buf, po->name);
2323 if (po->flags & HAS_ARG) {
2324 strcat(buf, " ");
2325 strcat(buf, po->argname);
2326 }
2327 printf("-%-17s %s\n", buf, po->help);
2328 }
2329 }
2330 }
2331
2332 exit(1);
2333}
2334
2335const OptionDef options[] = {
bdc4796f
FB
2336 { "L", 0, {(void*)show_licence}, "show license" },
2337 { "h", 0, {(void*)show_help}, "show help" },
2338 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2339 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
0b97443a 2340 { "vcd", OPT_BOOL, {(void*)&mpeg_vcd}, "output Video CD MPEG-PS compliant file" },
bdc4796f
FB
2341 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2342 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2343 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2344 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2345 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2346 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2347 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2348 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
85f07f22 2349 /* video options */
bdc4796f
FB
2350 { "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2351 { "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
2352 { "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2353 { "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2354 { "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
2355 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2356 { "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
9cdd6a24
MN
2357 { "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2358 { "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2359 { "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2360 { "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2361 { "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2362 { "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
bdc4796f
FB
2363#ifdef CONFIG_GRAB
2364 { "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video device", "device" },
2365#endif
2366 { "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec", "codec" },
2367 { "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
85f07f22 2368 "method" },
bc6caae2 2369 { "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
e4986da9 2370 { "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
29da453b 2371 { "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
bdc4796f 2372 { "sameq", OPT_BOOL, {(void*)&same_quality},
85f07f22
FB
2373 "use same video quality as source (implies VBR)" },
2374 /* audio options */
bdc4796f
FB
2375 { "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2376 { "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2377 { "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2378 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2379#ifdef CONFIG_GRAB
2380 { "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
2381#endif
2382 { "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec", "codec" },
2383 { "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace},
cfcf0ffd 2384 "deinterlace pictures" },
bdc4796f 2385 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5727b222 2386 "add timings for benchmarking" },
a0663ba4
FB
2387 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2388 "dump each input packet" },
ce7c56c2
J
2389 { "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2390 { "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" },
85f07f22
FB
2391
2392 { NULL, },
2393};
2394
2395int main(int argc, char **argv)
2396{
2397 int optindex, i;
2398 const char *opt, *arg;
2399 const OptionDef *po;
a38469e1 2400 INT64 ti;
85f07f22
FB
2401
2402 register_all();
2403
a38469e1
FB
2404 /* detect if invoked as player */
2405 i = strlen(argv[0]);
2406 if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
2407 do_play = 1;
2408
85f07f22
FB
2409 if (argc <= 1)
2410 show_help();
a38469e1
FB
2411
2412 /* parse options */
85f07f22
FB
2413 optindex = 1;
2414 while (optindex < argc) {
2415 opt = argv[optindex++];
2416
2417 if (opt[0] == '-' && opt[1] != '\0') {
2418 po = options;
2419 while (po->name != NULL) {
2420 if (!strcmp(opt + 1, po->name))
2421 break;
2422 po++;
2423 }
2424 if (!po->name) {
2425 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
2426 exit(1);
2427 }
2428 arg = NULL;
2429 if (po->flags & HAS_ARG)
2430 arg = argv[optindex++];
2431 if (po->flags & OPT_STRING) {
2432 char *str;
2433 str = strdup(arg);
2434 *po->u.str_arg = str;
2435 } else if (po->flags & OPT_BOOL) {
2436 *po->u.int_arg = 1;
2437 } else {
2438 po->u.func_arg(arg);
2439 }
2440 } else {
a38469e1
FB
2441 if (!do_play) {
2442 opt_output_file(opt);
2443 } else {
2444 opt_input_file(opt);
2445 }
85f07f22
FB
2446 }
2447 }
2448
2449
a38469e1
FB
2450 if (!do_play) {
2451 /* file converter / grab */
85f07f22
FB
2452 if (nb_output_files <= 0) {
2453 fprintf(stderr, "Must supply at least one output file\n");
2454 exit(1);
2455 }
a38469e1
FB
2456
2457 if (nb_input_files == 0) {
2458 prepare_grab();
5727b222 2459 }
a38469e1
FB
2460 } else {
2461 /* player */
2462 if (nb_input_files <= 0) {
2463 fprintf(stderr, "Must supply at least one input file\n");
2464 exit(1);
2465 }
2466 prepare_play();
2467 }
2468
2469 ti = getutime();
2470 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2471 stream_maps, nb_stream_maps);
2472 ti = getutime() - ti;
2473 if (do_benchmark) {
2474 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
85f07f22
FB
2475 }
2476
2477 /* close files */
2478 for(i=0;i<nb_output_files;i++) {
2479 if (!(output_files[i]->format->flags & AVFMT_NOFILE))
2480 url_fclose(&output_files[i]->pb);
2481 }
2482 for(i=0;i<nb_input_files;i++) {
2483 if (!(input_files[i]->format->flags & AVFMT_NOFILE))
2484 url_fclose(&input_files[i]->pb);
2485 }
2486
2487 return 0;
2488}