use a more portable version macro
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "framehook.h"
23
24 #ifndef CONFIG_WIN32
25 #include <unistd.h>
26 #include <fcntl.h>
27 #include <sys/ioctl.h>
28 #include <sys/time.h>
29 #include <termios.h>
30 #include <sys/resource.h>
31 #include <signal.h>
32 #endif
33 #ifdef CONFIG_OS2
34 #include <sys/types.h>
35 #include <sys/select.h>
36 #include <stdlib.h>
37 #endif
38 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
39 #include <time.h>
40
41 #include "cmdutils.h"
42
43 #if !defined(INFINITY) && defined(HUGE_VAL)
44 #define INFINITY HUGE_VAL
45 #endif
46
47 /* select an input stream for an output stream */
48 typedef struct AVStreamMap {
49 int file_index;
50 int stream_index;
51 } AVStreamMap;
52
53 extern const OptionDef options[];
54
55 static void show_help(void);
56 static void show_license(void);
57
58 #define MAX_FILES 20
59
60 static AVFormatContext *input_files[MAX_FILES];
61 static int64_t input_files_ts_offset[MAX_FILES];
62 static int nb_input_files = 0;
63
64 static AVFormatContext *output_files[MAX_FILES];
65 static int nb_output_files = 0;
66
67 static AVStreamMap stream_maps[MAX_FILES];
68 static int nb_stream_maps;
69
70 static AVInputFormat *file_iformat;
71 static AVOutputFormat *file_oformat;
72 static AVImageFormat *image_format;
73 static int frame_width = 160;
74 static int frame_height = 128;
75 static float frame_aspect_ratio = 0;
76 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
77 static int frame_padtop = 0;
78 static int frame_padbottom = 0;
79 static int frame_padleft = 0;
80 static int frame_padright = 0;
81 static int padcolor[3] = {16,128,128}; /* default to black */
82 static int frame_topBand = 0;
83 static int frame_bottomBand = 0;
84 static int frame_leftBand = 0;
85 static int frame_rightBand = 0;
86 static int frame_rate = 25;
87 static int frame_rate_base = 1;
88 static int video_bit_rate = 200*1000;
89 static int video_bit_rate_tolerance = 4000*1000;
90 static float video_qscale = 0;
91 static int video_qmin = 2;
92 static int video_qmax = 31;
93 static int video_lmin = 2*FF_QP2LAMBDA;
94 static int video_lmax = 31*FF_QP2LAMBDA;
95 static int video_mb_qmin = 2;
96 static int video_mb_qmax = 31;
97 static int video_qdiff = 3;
98 static float video_qblur = 0.5;
99 static float video_qcomp = 0.5;
100 static uint16_t *intra_matrix = NULL;
101 static uint16_t *inter_matrix = NULL;
102 #if 0 //experimental, (can be removed)
103 static float video_rc_qsquish=1.0;
104 static float video_rc_qmod_amp=0;
105 static int video_rc_qmod_freq=0;
106 #endif
107 static char *video_rc_override_string=NULL;
108 static char *video_rc_eq="tex^qComp";
109 static int video_rc_buffer_size=0;
110 static float video_rc_buffer_aggressivity=1.0;
111 static int video_rc_max_rate=0;
112 static int video_rc_min_rate=0;
113 static float video_rc_initial_cplx=0;
114 static float video_b_qfactor = 1.25;
115 static float video_b_qoffset = 1.25;
116 static float video_i_qfactor = -0.8;
117 static float video_i_qoffset = 0.0;
118 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
119 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
120 static int me_method = ME_EPZS;
121 static int video_disable = 0;
122 static int video_codec_id = CODEC_ID_NONE;
123 static int same_quality = 0;
124 static int b_frames = 0;
125 static int mb_decision = FF_MB_DECISION_SIMPLE;
126 static int ildct_cmp = FF_CMP_VSAD;
127 static int mb_cmp = FF_CMP_SAD;
128 static int sub_cmp = FF_CMP_SAD;
129 static int cmp = FF_CMP_SAD;
130 static int pre_cmp = FF_CMP_SAD;
131 static int pre_me = 0;
132 static float lumi_mask = 0;
133 static float dark_mask = 0;
134 static float scplx_mask = 0;
135 static float tcplx_mask = 0;
136 static float p_mask = 0;
137 static int use_4mv = 0;
138 static int use_obmc = 0;
139 static int use_loop = 0;
140 static int use_aic = 0;
141 static int use_aiv = 0;
142 static int use_umv = 0;
143 static int use_ss = 0;
144 static int use_alt_scan = 0;
145 static int use_trell = 0;
146 static int use_scan_offset = 0;
147 static int use_qpel = 0;
148 static int use_qprd = 0;
149 static int use_cbprd = 0;
150 static int qns = 0;
151 static int closed_gop = 0;
152 static int do_deinterlace = 0;
153 static int do_interlace_dct = 0;
154 static int do_interlace_me = 0;
155 static int workaround_bugs = FF_BUG_AUTODETECT;
156 static int error_resilience = 2;
157 static int error_concealment = 3;
158 static int dct_algo = 0;
159 static int idct_algo = 0;
160 static int use_part = 0;
161 static int packet_size = 0;
162 static int error_rate = 0;
163 static int strict = 0;
164 static int top_field_first = -1;
165 static int noise_reduction = 0;
166 static int sc_threshold = 0;
167 static int debug = 0;
168 static int debug_mv = 0;
169 static int me_threshold = 0;
170 static int mb_threshold = 0;
171 static int intra_dc_precision = 8;
172 static int coder = 0;
173 static int context = 0;
174 static int predictor = 0;
175 extern int loop_input; /* currently a hack */
176
177 static int gop_size = 12;
178 static int intra_only = 0;
179 static int audio_sample_rate = 44100;
180 static int audio_bit_rate = 64000;
181 static int audio_disable = 0;
182 static int audio_channels = 1;
183 static int audio_codec_id = CODEC_ID_NONE;
184
185 static int64_t recording_time = 0;
186 static int64_t start_time = 0;
187 static int64_t rec_timestamp = 0;
188 static int64_t input_ts_offset = 0;
189 static int file_overwrite = 0;
190 static char *str_title = NULL;
191 static char *str_author = NULL;
192 static char *str_copyright = NULL;
193 static char *str_comment = NULL;
194 static int do_benchmark = 0;
195 static int do_hex_dump = 0;
196 static int do_pkt_dump = 0;
197 static int do_psnr = 0;
198 static int do_vstats = 0;
199 static int do_pass = 0;
200 static int bitexact = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int video_sync_method= 1;
205 static int audio_sync_method= 0;
206 static int copy_ts= 0;
207
208 static int rate_emu = 0;
209
210 static char *video_grab_format = "video4linux";
211 static char *video_device = NULL;
212 static int video_channel = 0;
213 static char *video_standard = "ntsc";
214
215 static char *audio_grab_format = "audio_device";
216 static char *audio_device = NULL;
217
218 static int using_stdin = 0;
219 static int using_vhook = 0;
220 static int verbose = 1;
221 static int thread_count= 1;
222 static int q_pressed = 0;
223 static int me_range = 0;
224 static int64_t video_size = 0;
225 static int64_t audio_size = 0;
226 static int64_t extra_size = 0;
227 static int nb_frames_dup = 0;
228 static int nb_frames_drop = 0;
229 static int input_sync;
230
231 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
232
233 typedef struct AVOutputStream {
234 int file_index; /* file index */
235 int index; /* stream index in the output file */
236 int source_index; /* AVInputStream index */
237 AVStream *st; /* stream in the output file */
238 int encoding_needed; /* true if encoding needed for this stream */
239 int frame_number;
240 /* input pts and corresponding output pts
241 for A/V sync */
242 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
243 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
244 /* video only */
245 int video_resample; /* video_resample and video_crop are mutually exclusive */
246 AVFrame pict_tmp; /* temporary image for resampling */
247 ImgReSampleContext *img_resample_ctx; /* for image resampling */
248
249 int video_crop; /* video_resample and video_crop are mutually exclusive */
250 int topBand; /* cropping area sizes */
251 int leftBand;
252
253 int video_pad; /* video_resample and video_pad are mutually exclusive */
254 int padtop; /* padding area sizes */
255 int padbottom;
256 int padleft;
257 int padright;
258
259 /* audio only */
260 int audio_resample;
261 ReSampleContext *resample; /* for audio resampling */
262 FifoBuffer fifo; /* for compression: one audio fifo per codec */
263 FILE *logfile;
264 } AVOutputStream;
265
266 typedef struct AVInputStream {
267 int file_index;
268 int index;
269 AVStream *st;
270 int discard; /* true if stream data should be discarded */
271 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
272 int64_t sample_index; /* current sample */
273
274 int64_t start; /* time when read started */
275 unsigned long frame; /* current frame */
276 int64_t next_pts; /* synthetic pts for cases where pkt.pts
277 is not defined */
278 int64_t pts; /* current pts */
279 int is_start; /* is 1 at the start and after a discontinuity */
280 } AVInputStream;
281
282 typedef struct AVInputFile {
283 int eof_reached; /* true if eof reached */
284 int ist_index; /* index of first stream in ist_table */
285 int buffer_size; /* current total buffer size */
286 int buffer_size_max; /* buffer size at which we consider we can stop
287 buffering */
288 int nb_streams; /* nb streams we are aware of */
289 } AVInputFile;
290
291 #ifndef CONFIG_WIN32
292
293 /* init terminal so that we can grab keys */
294 static struct termios oldtty;
295
296 static void term_exit(void)
297 {
298 tcsetattr (0, TCSANOW, &oldtty);
299 }
300
301 static volatile sig_atomic_t received_sigterm = 0;
302
303 static void
304 sigterm_handler(int sig)
305 {
306 received_sigterm = sig;
307 term_exit();
308 }
309
310 static void term_init(void)
311 {
312 struct termios tty;
313
314 tcgetattr (0, &tty);
315 oldtty = tty;
316
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
322 tty.c_cflag |= CS8;
323 tty.c_cc[VMIN] = 1;
324 tty.c_cc[VTIME] = 0;
325
326 tcsetattr (0, TCSANOW, &tty);
327
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
330 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 /*
332 register a function to be called at normal program termination
333 */
334 atexit(term_exit);
335 #ifdef CONFIG_BEOS_NETSERVER
336 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
337 #endif
338 }
339
340 /* read a key without blocking */
341 static int read_key(void)
342 {
343 int n = 1;
344 unsigned char ch;
345 #ifndef CONFIG_BEOS_NETSERVER
346 struct timeval tv;
347 fd_set rfds;
348
349 FD_ZERO(&rfds);
350 FD_SET(0, &rfds);
351 tv.tv_sec = 0;
352 tv.tv_usec = 0;
353 n = select(1, &rfds, NULL, NULL, &tv);
354 #endif
355 if (n > 0) {
356 n = read(0, &ch, 1);
357 if (n == 1)
358 return ch;
359
360 return n;
361 }
362 return -1;
363 }
364
365 static int decode_interrupt_cb(void)
366 {
367 return q_pressed || (q_pressed = read_key() == 'q');
368 }
369
370 #else
371
372 static volatile int received_sigterm = 0;
373
374 /* no interactive support */
375 static void term_exit(void)
376 {
377 }
378
379 static void term_init(void)
380 {
381 }
382
383 static int read_key(void)
384 {
385 return 0;
386 }
387
388 #endif
389
390 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
391 {
392 int i, err;
393 AVFormatContext *ic;
394
395 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
396 if (err < 0)
397 return err;
398 /* copy stream format */
399 s->nb_streams = ic->nb_streams;
400 for(i=0;i<ic->nb_streams;i++) {
401 AVStream *st;
402
403 st = av_mallocz(sizeof(AVStream));
404 memcpy(st, ic->streams[i], sizeof(AVStream));
405 s->streams[i] = st;
406 }
407
408 av_close_input_file(ic);
409 return 0;
410 }
411
412 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
413
414 static void do_audio_out(AVFormatContext *s,
415 AVOutputStream *ost,
416 AVInputStream *ist,
417 unsigned char *buf, int size)
418 {
419 uint8_t *buftmp;
420 static uint8_t *audio_buf = NULL;
421 static uint8_t *audio_out = NULL;
422 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
423
424 int size_out, frame_bytes, ret;
425 AVCodecContext *enc= &ost->st->codec;
426
427 /* SC: dynamic allocation of buffers */
428 if (!audio_buf)
429 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
430 if (!audio_out)
431 audio_out = av_malloc(audio_out_size);
432 if (!audio_buf || !audio_out)
433 return; /* Should signal an error ! */
434
435 if(audio_sync_method){
436 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
437 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
438 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
439 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
440
441 //FIXME resample delay
442 if(fabs(delta) > 50){
443 if(ist->is_start){
444 if(byte_delta < 0){
445 byte_delta= FFMIN(byte_delta, size);
446 size += byte_delta;
447 buf -= byte_delta;
448 if(verbose > 2)
449 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
450 if(!size)
451 return;
452 ist->is_start=0;
453 }else{
454 static uint8_t *input_tmp= NULL;
455 input_tmp= av_realloc(input_tmp, byte_delta + size);
456
457 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
458 ist->is_start=0;
459 else
460 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
461
462 memset(input_tmp, 0, byte_delta);
463 memcpy(input_tmp + byte_delta, buf, size);
464 buf= input_tmp;
465 size += byte_delta;
466 if(verbose > 2)
467 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
468 }
469 }else if(audio_sync_method>1){
470 int comp= clip(delta, -audio_sync_method, audio_sync_method);
471 assert(ost->audio_resample);
472 if(verbose > 2)
473 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
474 fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(ost->sync_ipts * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
475 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
476 }
477 }
478 }else
479 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
480 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
481
482 if (ost->audio_resample) {
483 buftmp = audio_buf;
484 size_out = audio_resample(ost->resample,
485 (short *)buftmp, (short *)buf,
486 size / (ist->st->codec.channels * 2));
487 size_out = size_out * enc->channels * 2;
488 } else {
489 buftmp = buf;
490 size_out = size;
491 }
492
493 /* now encode as many frames as possible */
494 if (enc->frame_size > 1) {
495 /* output resampled raw samples */
496 fifo_write(&ost->fifo, buftmp, size_out,
497 &ost->fifo.wptr);
498
499 frame_bytes = enc->frame_size * 2 * enc->channels;
500
501 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
502 &ost->fifo.rptr) == 0) {
503 AVPacket pkt;
504 av_init_packet(&pkt);
505
506 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
507 (short *)audio_buf);
508 audio_size += ret;
509 pkt.stream_index= ost->index;
510 pkt.data= audio_out;
511 pkt.size= ret;
512 if(enc->coded_frame)
513 pkt.pts= enc->coded_frame->pts;
514 pkt.flags |= PKT_FLAG_KEY;
515 av_interleaved_write_frame(s, &pkt);
516
517 ost->sync_opts += enc->frame_size;
518 }
519 } else {
520 AVPacket pkt;
521 av_init_packet(&pkt);
522
523 ost->sync_opts += size_out / enc->channels;
524
525 /* output a pcm frame */
526 /* XXX: change encoding codec API to avoid this ? */
527 switch(enc->codec->id) {
528 case CODEC_ID_PCM_S16LE:
529 case CODEC_ID_PCM_S16BE:
530 case CODEC_ID_PCM_U16LE:
531 case CODEC_ID_PCM_U16BE:
532 break;
533 default:
534 size_out = size_out >> 1;
535 break;
536 }
537 ret = avcodec_encode_audio(enc, audio_out, size_out,
538 (short *)buftmp);
539 audio_size += ret;
540 pkt.stream_index= ost->index;
541 pkt.data= audio_out;
542 pkt.size= ret;
543 if(enc->coded_frame)
544 pkt.pts= enc->coded_frame->pts;
545 pkt.flags |= PKT_FLAG_KEY;
546 av_interleaved_write_frame(s, &pkt);
547 }
548 }
549
550 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
551 {
552 AVCodecContext *dec;
553 AVPicture *picture2;
554 AVPicture picture_tmp;
555 uint8_t *buf = 0;
556
557 dec = &ist->st->codec;
558
559 /* deinterlace : must be done before any resize */
560 if (do_deinterlace || using_vhook) {
561 int size;
562
563 /* create temporary picture */
564 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
565 buf = av_malloc(size);
566 if (!buf)
567 return;
568
569 picture2 = &picture_tmp;
570 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
571
572 if (do_deinterlace){
573 if(avpicture_deinterlace(picture2, picture,
574 dec->pix_fmt, dec->width, dec->height) < 0) {
575 /* if error, do not deinterlace */
576 av_free(buf);
577 buf = NULL;
578 picture2 = picture;
579 }
580 } else {
581 if (img_convert(picture2, dec->pix_fmt, picture,
582 dec->pix_fmt, dec->width, dec->height) < 0) {
583 /* if error, do not copy */
584 av_free(buf);
585 buf = NULL;
586 picture2 = picture;
587 }
588 }
589 } else {
590 picture2 = picture;
591 }
592
593 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
594
595 if (picture != picture2)
596 *picture = *picture2;
597 *bufp = buf;
598 }
599
600 /* we begin to correct av delay at this threshold */
601 #define AV_DELAY_MAX 0.100
602
603
604 /* Expects img to be yuv420 */
605 static void fill_pad_region(AVPicture* img, int height, int width,
606 int padtop, int padbottom, int padleft, int padright, int *color) {
607
608 int i, y, shift;
609 uint8_t *optr;
610
611 for (i = 0; i < 3; i++) {
612 shift = (i == 0) ? 0 : 1;
613
614 if (padtop || padleft) {
615 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
616 padleft) >> shift));
617 }
618
619 if (padleft || padright) {
620 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
621 (img->linesize[i] - (padright >> shift));
622
623 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
624 memset(optr, color[i], (padleft + padright) >> shift);
625 optr += img->linesize[i];
626 }
627 }
628
629 if (padbottom) {
630 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
631 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
632 }
633 }
634 }
635
636 static uint8_t *bit_buffer= NULL;
637
638 static void do_video_out(AVFormatContext *s,
639 AVOutputStream *ost,
640 AVInputStream *ist,
641 AVFrame *in_picture,
642 int *frame_size)
643 {
644 int nb_frames, i, ret;
645 AVFrame *final_picture, *formatted_picture;
646 AVFrame picture_format_temp, picture_crop_temp;
647 uint8_t *buf = NULL, *buf1 = NULL;
648 AVCodecContext *enc, *dec;
649 enum PixelFormat target_pixfmt;
650
651 #define VIDEO_BUFFER_SIZE (1024*1024)
652
653 avcodec_get_frame_defaults(&picture_format_temp);
654 avcodec_get_frame_defaults(&picture_crop_temp);
655
656 enc = &ost->st->codec;
657 dec = &ist->st->codec;
658
659 /* by default, we output a single frame */
660 nb_frames = 1;
661
662 *frame_size = 0;
663
664 if(video_sync_method){
665 double vdelta;
666 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
667 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
668 if (vdelta < -1.1)
669 nb_frames = 0;
670 else if (vdelta > 1.1)
671 nb_frames = 2;
672 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
673 if (nb_frames == 0){
674 ++nb_frames_drop;
675 if (verbose>2)
676 fprintf(stderr, "*** drop!\n");
677 }else if (nb_frames == 2) {
678 ++nb_frames_dup;
679 if (verbose>2)
680 fprintf(stderr, "*** dup!\n");
681 }
682 }else
683 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
684
685 if (nb_frames <= 0)
686 return;
687
688 /* convert pixel format if needed */
689 target_pixfmt = ost->video_resample || ost->video_pad
690 ? PIX_FMT_YUV420P : enc->pix_fmt;
691 if (dec->pix_fmt != target_pixfmt) {
692 int size;
693
694 /* create temporary picture */
695 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
696 buf = av_malloc(size);
697 if (!buf)
698 return;
699 formatted_picture = &picture_format_temp;
700 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
701
702 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
703 (AVPicture *)in_picture, dec->pix_fmt,
704 dec->width, dec->height) < 0) {
705
706 if (verbose >= 0)
707 fprintf(stderr, "pixel format conversion not handled\n");
708
709 goto the_end;
710 }
711 } else {
712 formatted_picture = in_picture;
713 }
714
715 /* XXX: resampling could be done before raw format conversion in
716 some cases to go faster */
717 /* XXX: only works for YUV420P */
718 if (ost->video_resample) {
719 final_picture = &ost->pict_tmp;
720 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
721
722 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
723 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
724 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
725 padcolor);
726 }
727
728 if (enc->pix_fmt != PIX_FMT_YUV420P) {
729 int size;
730
731 av_free(buf);
732 /* create temporary picture */
733 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
734 buf = av_malloc(size);
735 if (!buf)
736 return;
737 final_picture = &picture_format_temp;
738 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
739
740 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
741 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
742 enc->width, enc->height) < 0) {
743
744 if (verbose >= 0)
745 fprintf(stderr, "pixel format conversion not handled\n");
746
747 goto the_end;
748 }
749 }
750 } else if (ost->video_crop) {
751 picture_crop_temp.data[0] = formatted_picture->data[0] +
752 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
753
754 picture_crop_temp.data[1] = formatted_picture->data[1] +
755 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
756 (ost->leftBand >> 1);
757
758 picture_crop_temp.data[2] = formatted_picture->data[2] +
759 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
760 (ost->leftBand >> 1);
761
762 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
763 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
764 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
765 final_picture = &picture_crop_temp;
766 } else if (ost->video_pad) {
767 final_picture = &ost->pict_tmp;
768
769 for (i = 0; i < 3; i++) {
770 uint8_t *optr, *iptr;
771 int shift = (i == 0) ? 0 : 1;
772 int y, yheight;
773
774 /* set offset to start writing image into */
775 optr = final_picture->data[i] + (((final_picture->linesize[i] *
776 ost->padtop) + ost->padleft) >> shift);
777 iptr = formatted_picture->data[i];
778
779 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
780 for (y = 0; y < yheight; y++) {
781 /* copy unpadded image row into padded image row */
782 memcpy(optr, iptr, formatted_picture->linesize[i]);
783 optr += final_picture->linesize[i];
784 iptr += formatted_picture->linesize[i];
785 }
786 }
787
788 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
789 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
790 padcolor);
791
792 if (enc->pix_fmt != PIX_FMT_YUV420P) {
793 int size;
794
795 av_free(buf);
796 /* create temporary picture */
797 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
798 buf = av_malloc(size);
799 if (!buf)
800 return;
801 final_picture = &picture_format_temp;
802 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
803
804 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
805 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
806 enc->width, enc->height) < 0) {
807
808 if (verbose >= 0)
809 fprintf(stderr, "pixel format conversion not handled\n");
810
811 goto the_end;
812 }
813 }
814 } else {
815 final_picture = formatted_picture;
816 }
817 /* duplicates frame if needed */
818 /* XXX: pb because no interleaving */
819 for(i=0;i<nb_frames;i++) {
820 AVPacket pkt;
821 av_init_packet(&pkt);
822 pkt.stream_index= ost->index;
823
824 if (s->oformat->flags & AVFMT_RAWPICTURE) {
825 /* raw pictures are written as AVPicture structure to
826 avoid any copies. We support temorarily the older
827 method. */
828 AVFrame* old_frame = enc->coded_frame;
829 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
830 pkt.data= (uint8_t *)final_picture;
831 pkt.size= sizeof(AVPicture);
832 if(dec->coded_frame)
833 pkt.pts= dec->coded_frame->pts;
834 if(dec->coded_frame && dec->coded_frame->key_frame)
835 pkt.flags |= PKT_FLAG_KEY;
836
837 av_interleaved_write_frame(s, &pkt);
838 enc->coded_frame = old_frame;
839 } else {
840 AVFrame big_picture;
841
842 big_picture= *final_picture;
843 /* better than nothing: use input picture interlaced
844 settings */
845 big_picture.interlaced_frame = in_picture->interlaced_frame;
846 if(do_interlace_me || do_interlace_dct){
847 if(top_field_first == -1)
848 big_picture.top_field_first = in_picture->top_field_first;
849 else
850 big_picture.top_field_first = top_field_first;
851 }
852
853 /* handles sameq here. This is not correct because it may
854 not be a global option */
855 if (same_quality) {
856 big_picture.quality = ist->st->quality;
857 }else
858 big_picture.quality = ost->st->quality;
859 if(!me_threshold)
860 big_picture.pict_type = 0;
861 // big_picture.pts = AV_NOPTS_VALUE;
862 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
863 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
864 ret = avcodec_encode_video(enc,
865 bit_buffer, VIDEO_BUFFER_SIZE,
866 &big_picture);
867 //enc->frame_number = enc->real_pict_num;
868 if(ret){
869 pkt.data= bit_buffer;
870 pkt.size= ret;
871 if(enc->coded_frame)
872 pkt.pts= enc->coded_frame->pts;
873 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
874 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
875 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
876
877 if(enc->coded_frame && enc->coded_frame->key_frame)
878 pkt.flags |= PKT_FLAG_KEY;
879 av_interleaved_write_frame(s, &pkt);
880 *frame_size = ret;
881 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
882 // enc->frame_number-1, enc->real_pict_num, ret,
883 // enc->pict_type);
884 /* if two pass, output log */
885 if (ost->logfile && enc->stats_out) {
886 fprintf(ost->logfile, "%s", enc->stats_out);
887 }
888 }
889 }
890 ost->sync_opts++;
891 ost->frame_number++;
892 }
893 the_end:
894 av_free(buf);
895 av_free(buf1);
896 }
897
898 static double psnr(double d){
899 if(d==0) return INFINITY;
900 return -10.0*log(d)/log(10.0);
901 }
902
903 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
904 int frame_size)
905 {
906 static FILE *fvstats=NULL;
907 char filename[40];
908 time_t today2;
909 struct tm *today;
910 AVCodecContext *enc;
911 int frame_number;
912 int64_t ti;
913 double ti1, bitrate, avg_bitrate;
914
915 if (!fvstats) {
916 today2 = time(NULL);
917 today = localtime(&today2);
918 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
919 today->tm_min,
920 today->tm_sec);
921 fvstats = fopen(filename,"w");
922 if (!fvstats) {
923 perror("fopen");
924 exit(1);
925 }
926 }
927
928 ti = MAXINT64;
929 enc = &ost->st->codec;
930 if (enc->codec_type == CODEC_TYPE_VIDEO) {
931 frame_number = ost->frame_number;
932 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
933 if (enc->flags&CODEC_FLAG_PSNR)
934 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
935
936 fprintf(fvstats,"f_size= %6d ", frame_size);
937 /* compute pts value */
938 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
939 if (ti1 < 0.01)
940 ti1 = 0.01;
941
942 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
943 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
944 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
945 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
946 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
947 }
948 }
949
950 static void print_report(AVFormatContext **output_files,
951 AVOutputStream **ost_table, int nb_ostreams,
952 int is_last_report)
953 {
954 char buf[1024];
955 AVOutputStream *ost;
956 AVFormatContext *oc, *os;
957 int64_t total_size;
958 AVCodecContext *enc;
959 int frame_number, vid, i;
960 double bitrate, ti1, pts;
961 static int64_t last_time = -1;
962
963 if (!is_last_report) {
964 int64_t cur_time;
965 /* display the report every 0.5 seconds */
966 cur_time = av_gettime();
967 if (last_time == -1) {
968 last_time = cur_time;
969 return;
970 }
971 if ((cur_time - last_time) < 500000)
972 return;
973 last_time = cur_time;
974 }
975
976
977 oc = output_files[0];
978
979 total_size = url_ftell(&oc->pb);
980
981 buf[0] = '\0';
982 ti1 = 1e10;
983 vid = 0;
984 for(i=0;i<nb_ostreams;i++) {
985 ost = ost_table[i];
986 os = output_files[ost->file_index];
987 enc = &ost->st->codec;
988 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
989 sprintf(buf + strlen(buf), "q=%2.1f ",
990 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
991 }
992 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
993 frame_number = ost->frame_number;
994 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
995 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
996 if(is_last_report)
997 sprintf(buf + strlen(buf), "L");
998 if (enc->flags&CODEC_FLAG_PSNR){
999 int j;
1000 double error, error_sum=0;
1001 double scale, scale_sum=0;
1002 char type[3]= {'Y','U','V'};
1003 sprintf(buf + strlen(buf), "PSNR=");
1004 for(j=0; j<3; j++){
1005 if(is_last_report){
1006 error= enc->error[j];
1007 scale= enc->width*enc->height*255.0*255.0*frame_number;
1008 }else{
1009 error= enc->coded_frame->error[j];
1010 scale= enc->width*enc->height*255.0*255.0;
1011 }
1012 if(j) scale/=4;
1013 error_sum += error;
1014 scale_sum += scale;
1015 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1016 }
1017 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1018 }
1019 vid = 1;
1020 }
1021 /* compute min output value */
1022 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1023 if ((pts < ti1) && (pts > 0))
1024 ti1 = pts;
1025 }
1026 if (ti1 < 0.01)
1027 ti1 = 0.01;
1028
1029 if (verbose || is_last_report) {
1030 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1031
1032 sprintf(buf + strlen(buf),
1033 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1034 (double)total_size / 1024, ti1, bitrate);
1035
1036 if (verbose > 1)
1037 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1038 nb_frames_dup, nb_frames_drop);
1039
1040 if (verbose >= 0)
1041 fprintf(stderr, "%s \r", buf);
1042
1043 fflush(stderr);
1044 }
1045
1046 if (is_last_report && verbose >= 0){
1047 int64_t raw= audio_size + video_size + extra_size;
1048 fprintf(stderr, "\n");
1049 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1050 video_size/1024.0,
1051 audio_size/1024.0,
1052 extra_size/1024.0,
1053 100.0*(total_size - raw)/raw
1054 );
1055 }
1056 }
1057
1058 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1059 static int output_packet(AVInputStream *ist, int ist_index,
1060 AVOutputStream **ost_table, int nb_ostreams,
1061 const AVPacket *pkt)
1062 {
1063 AVFormatContext *os;
1064 AVOutputStream *ost;
1065 uint8_t *ptr;
1066 int len, ret, i;
1067 uint8_t *data_buf;
1068 int data_size, got_picture;
1069 AVFrame picture;
1070 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1071 void *buffer_to_free;
1072
1073 if (pkt && pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1074 ist->next_pts = ist->pts = pkt->dts;
1075 } else {
1076 assert(ist->pts == ist->next_pts);
1077 }
1078
1079 if (pkt == NULL) {
1080 /* EOF handling */
1081 ptr = NULL;
1082 len = 0;
1083 goto handle_eof;
1084 }
1085
1086 len = pkt->size;
1087 ptr = pkt->data;
1088 while (len > 0) {
1089 handle_eof:
1090 /* decode the packet if needed */
1091 data_buf = NULL; /* fail safe */
1092 data_size = 0;
1093 if (ist->decoding_needed) {
1094 switch(ist->st->codec.codec_type) {
1095 case CODEC_TYPE_AUDIO:
1096 /* XXX: could avoid copy if PCM 16 bits with same
1097 endianness as CPU */
1098 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1099 ptr, len);
1100 if (ret < 0)
1101 goto fail_decode;
1102 ptr += ret;
1103 len -= ret;
1104 /* Some bug in mpeg audio decoder gives */
1105 /* data_size < 0, it seems they are overflows */
1106 if (data_size <= 0) {
1107 /* no audio frame */
1108 continue;
1109 }
1110 data_buf = (uint8_t *)samples;
1111 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1112 (ist->st->codec.sample_rate * ist->st->codec.channels);
1113 break;
1114 case CODEC_TYPE_VIDEO:
1115 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1116 /* XXX: allocate picture correctly */
1117 avcodec_get_frame_defaults(&picture);
1118
1119 ret = avcodec_decode_video(&ist->st->codec,
1120 &picture, &got_picture, ptr, len);
1121 ist->st->quality= picture.quality;
1122 if (ret < 0)
1123 goto fail_decode;
1124 if (!got_picture) {
1125 /* no picture yet */
1126 goto discard_packet;
1127 }
1128 if (ist->st->codec.frame_rate_base != 0) {
1129 ist->next_pts += ((int64_t)AV_TIME_BASE *
1130 ist->st->codec.frame_rate_base) /
1131 ist->st->codec.frame_rate;
1132 }
1133 len = 0;
1134 break;
1135 default:
1136 goto fail_decode;
1137 }
1138 } else {
1139 data_buf = ptr;
1140 data_size = len;
1141 ret = len;
1142 len = 0;
1143 }
1144
1145 buffer_to_free = NULL;
1146 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1147 pre_process_video_frame(ist, (AVPicture *)&picture,
1148 &buffer_to_free);
1149 }
1150
1151 /* frame rate emulation */
1152 if (ist->st->codec.rate_emu) {
1153 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1154 int64_t now = av_gettime() - ist->start;
1155 if (pts > now)
1156 usleep(pts - now);
1157
1158 ist->frame++;
1159 }
1160
1161 #if 0
1162 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1163 is the one of the next displayed one */
1164 /* XXX: add mpeg4 too ? */
1165 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1166 if (ist->st->codec.pict_type != B_TYPE) {
1167 int64_t tmp;
1168 tmp = ist->last_ip_pts;
1169 ist->last_ip_pts = ist->frac_pts.val;
1170 ist->frac_pts.val = tmp;
1171 }
1172 }
1173 #endif
1174 /* if output time reached then transcode raw format,
1175 encode packets and output them */
1176 if (start_time == 0 || ist->pts >= start_time)
1177 for(i=0;i<nb_ostreams;i++) {
1178 int frame_size;
1179
1180 ost = ost_table[i];
1181 if (ost->source_index == ist_index) {
1182 os = output_files[ost->file_index];
1183
1184 #if 0
1185 printf("%d: got pts=%0.3f %0.3f\n", i,
1186 (double)pkt->pts / AV_TIME_BASE,
1187 ((double)ist->pts / AV_TIME_BASE) -
1188 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1189 #endif
1190 /* set the input output pts pairs */
1191 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1192
1193 if (ost->encoding_needed) {
1194 switch(ost->st->codec.codec_type) {
1195 case CODEC_TYPE_AUDIO:
1196 do_audio_out(os, ost, ist, data_buf, data_size);
1197 break;
1198 case CODEC_TYPE_VIDEO:
1199 /* find an audio stream for synchro */
1200 {
1201 int i;
1202 AVOutputStream *audio_sync, *ost1;
1203 audio_sync = NULL;
1204 for(i=0;i<nb_ostreams;i++) {
1205 ost1 = ost_table[i];
1206 if (ost1->file_index == ost->file_index &&
1207 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1208 audio_sync = ost1;
1209 break;
1210 }
1211 }
1212
1213 do_video_out(os, ost, ist, &picture, &frame_size);
1214 video_size += frame_size;
1215 if (do_vstats && frame_size)
1216 do_video_stats(os, ost, frame_size);
1217 }
1218 break;
1219 default:
1220 av_abort();
1221 }
1222 } else {
1223 AVFrame avframe; //FIXME/XXX remove this
1224 AVPacket opkt;
1225 av_init_packet(&opkt);
1226
1227 /* no reencoding needed : output the packet directly */
1228 /* force the input stream PTS */
1229
1230 avcodec_get_frame_defaults(&avframe);
1231 ost->st->codec.coded_frame= &avframe;
1232 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1233
1234 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1235 audio_size += data_size;
1236 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1237 video_size += data_size;
1238
1239 opkt.stream_index= ost->index;
1240 opkt.data= data_buf;
1241 opkt.size= data_size;
1242 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1243 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1244 opkt.flags= pkt->flags;
1245
1246 av_interleaved_write_frame(os, &opkt);
1247 ost->st->codec.frame_number++;
1248 ost->frame_number++;
1249 }
1250 }
1251 }
1252 av_free(buffer_to_free);
1253 }
1254 discard_packet:
1255 if (pkt == NULL) {
1256 /* EOF handling */
1257
1258 for(i=0;i<nb_ostreams;i++) {
1259 ost = ost_table[i];
1260 if (ost->source_index == ist_index) {
1261 AVCodecContext *enc= &ost->st->codec;
1262 os = output_files[ost->file_index];
1263
1264 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1265 continue;
1266 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1267 continue;
1268
1269 if (ost->encoding_needed) {
1270 for(;;) {
1271 AVPacket pkt;
1272 av_init_packet(&pkt);
1273 pkt.stream_index= ost->index;
1274
1275 switch(ost->st->codec.codec_type) {
1276 case CODEC_TYPE_AUDIO:
1277 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1278 audio_size += ret;
1279 pkt.flags |= PKT_FLAG_KEY;
1280 break;
1281 case CODEC_TYPE_VIDEO:
1282 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1283 video_size += ret;
1284 if(enc->coded_frame && enc->coded_frame->key_frame)
1285 pkt.flags |= PKT_FLAG_KEY;
1286 if (ost->logfile && enc->stats_out) {
1287 fprintf(ost->logfile, "%s", enc->stats_out);
1288 }
1289 break;
1290 default:
1291 ret=-1;
1292 }
1293
1294 if(ret<=0)
1295 break;
1296 pkt.data= bit_buffer;
1297 pkt.size= ret;
1298 if(enc->coded_frame)
1299 pkt.pts= enc->coded_frame->pts;
1300 av_interleaved_write_frame(os, &pkt);
1301 }
1302 }
1303 }
1304 }
1305 }
1306
1307 return 0;
1308 fail_decode:
1309 return -1;
1310 }
1311
1312
1313 /*
1314 * The following code is the main loop of the file converter
1315 */
1316 static int av_encode(AVFormatContext **output_files,
1317 int nb_output_files,
1318 AVFormatContext **input_files,
1319 int nb_input_files,
1320 AVStreamMap *stream_maps, int nb_stream_maps)
1321 {
1322 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1323 AVFormatContext *is, *os;
1324 AVCodecContext *codec, *icodec;
1325 AVOutputStream *ost, **ost_table = NULL;
1326 AVInputStream *ist, **ist_table = NULL;
1327 AVInputFile *file_table;
1328 AVFormatContext *stream_no_data;
1329 int key;
1330
1331 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1332 if (!file_table)
1333 goto fail;
1334
1335 if (!bit_buffer)
1336 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1337 if (!bit_buffer)
1338 goto fail;
1339
1340 /* input stream init */
1341 j = 0;
1342 for(i=0;i<nb_input_files;i++) {
1343 is = input_files[i];
1344 file_table[i].ist_index = j;
1345 file_table[i].nb_streams = is->nb_streams;
1346 j += is->nb_streams;
1347 }
1348 nb_istreams = j;
1349
1350 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1351 if (!ist_table)
1352 goto fail;
1353
1354 for(i=0;i<nb_istreams;i++) {
1355 ist = av_mallocz(sizeof(AVInputStream));
1356 if (!ist)
1357 goto fail;
1358 ist_table[i] = ist;
1359 }
1360 j = 0;
1361 for(i=0;i<nb_input_files;i++) {
1362 is = input_files[i];
1363 for(k=0;k<is->nb_streams;k++) {
1364 ist = ist_table[j++];
1365 ist->st = is->streams[k];
1366 ist->file_index = i;
1367 ist->index = k;
1368 ist->discard = 1; /* the stream is discarded by default
1369 (changed later) */
1370
1371 if (ist->st->codec.rate_emu) {
1372 ist->start = av_gettime();
1373 ist->frame = 0;
1374 }
1375 }
1376 }
1377
1378 /* output stream init */
1379 nb_ostreams = 0;
1380 for(i=0;i<nb_output_files;i++) {
1381 os = output_files[i];
1382 nb_ostreams += os->nb_streams;
1383 }
1384 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1385 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1386 exit(1);
1387 }
1388
1389 /* Sanity check the mapping args -- do the input files & streams exist? */
1390 for(i=0;i<nb_stream_maps;i++) {
1391 int fi = stream_maps[i].file_index;
1392 int si = stream_maps[i].stream_index;
1393
1394 if (fi < 0 || fi > nb_input_files - 1 ||
1395 si < 0 || si > file_table[fi].nb_streams - 1) {
1396 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1397 exit(1);
1398 }
1399 }
1400
1401 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1402 if (!ost_table)
1403 goto fail;
1404 for(i=0;i<nb_ostreams;i++) {
1405 ost = av_mallocz(sizeof(AVOutputStream));
1406 if (!ost)
1407 goto fail;
1408 ost_table[i] = ost;
1409 }
1410
1411 n = 0;
1412 for(k=0;k<nb_output_files;k++) {
1413 os = output_files[k];
1414 for(i=0;i<os->nb_streams;i++) {
1415 int found;
1416 ost = ost_table[n++];
1417 ost->file_index = k;
1418 ost->index = i;
1419 ost->st = os->streams[i];
1420 if (nb_stream_maps > 0) {
1421 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1422 stream_maps[n-1].stream_index;
1423
1424 /* Sanity check that the stream types match */
1425 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1426 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1427 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1428 ost->file_index, ost->index);
1429 exit(1);
1430 }
1431
1432 } else {
1433 /* get corresponding input stream index : we select the first one with the right type */
1434 found = 0;
1435 for(j=0;j<nb_istreams;j++) {
1436 ist = ist_table[j];
1437 if (ist->discard &&
1438 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1439 ost->source_index = j;
1440 found = 1;
1441 }
1442 }
1443
1444 if (!found) {
1445 /* try again and reuse existing stream */
1446 for(j=0;j<nb_istreams;j++) {
1447 ist = ist_table[j];
1448 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1449 ost->source_index = j;
1450 found = 1;
1451 }
1452 }
1453 if (!found) {
1454 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1455 ost->file_index, ost->index);
1456 exit(1);
1457 }
1458 }
1459 }
1460 ist = ist_table[ost->source_index];
1461 ist->discard = 0;
1462 }
1463 }
1464
1465 /* for each output stream, we compute the right encoding parameters */
1466 for(i=0;i<nb_ostreams;i++) {
1467 ost = ost_table[i];
1468 ist = ist_table[ost->source_index];
1469
1470 codec = &ost->st->codec;
1471 icodec = &ist->st->codec;
1472
1473 if (ost->st->stream_copy) {
1474 /* if stream_copy is selected, no need to decode or encode */
1475 codec->codec_id = icodec->codec_id;
1476 codec->codec_type = icodec->codec_type;
1477 codec->codec_tag = icodec->codec_tag;
1478 codec->bit_rate = icodec->bit_rate;
1479 switch(codec->codec_type) {
1480 case CODEC_TYPE_AUDIO:
1481 codec->sample_rate = icodec->sample_rate;
1482 codec->channels = icodec->channels;
1483 codec->frame_size = icodec->frame_size;
1484 break;
1485 case CODEC_TYPE_VIDEO:
1486 codec->frame_rate = icodec->frame_rate;
1487 codec->frame_rate_base = icodec->frame_rate_base;
1488 codec->width = icodec->width;
1489 codec->height = icodec->height;
1490 break;
1491 default:
1492 av_abort();
1493 }
1494 } else {
1495 switch(codec->codec_type) {
1496 case CODEC_TYPE_AUDIO:
1497 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1498 goto fail;
1499
1500 if (codec->channels == icodec->channels &&
1501 codec->sample_rate == icodec->sample_rate) {
1502 ost->audio_resample = 0;
1503 } else {
1504 if (codec->channels != icodec->channels &&
1505 icodec->codec_id == CODEC_ID_AC3) {
1506 /* Special case for 5:1 AC3 input */
1507 /* and mono or stereo output */
1508 /* Request specific number of channels */
1509 icodec->channels = codec->channels;
1510 if (codec->sample_rate == icodec->sample_rate)
1511 ost->audio_resample = 0;
1512 else {
1513 ost->audio_resample = 1;
1514 }
1515 } else {
1516 ost->audio_resample = 1;
1517 }
1518 }
1519 if(audio_sync_method>1)
1520 ost->audio_resample = 1;
1521
1522 if(ost->audio_resample){
1523 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1524 codec->sample_rate, icodec->sample_rate);
1525 if(!ost->resample){
1526 printf("Can't resample. Aborting.\n");
1527 av_abort();
1528 }
1529 }
1530 ist->decoding_needed = 1;
1531 ost->encoding_needed = 1;
1532 break;
1533 case CODEC_TYPE_VIDEO:
1534 if (codec->width == icodec->width &&
1535 codec->height == icodec->height &&
1536 frame_topBand == 0 &&
1537 frame_bottomBand == 0 &&
1538 frame_leftBand == 0 &&
1539 frame_rightBand == 0 &&
1540 frame_padtop == 0 &&
1541 frame_padbottom == 0 &&
1542 frame_padleft == 0 &&
1543 frame_padright == 0)
1544 {
1545 ost->video_resample = 0;
1546 ost->video_crop = 0;
1547 ost->video_pad = 0;
1548 } else if ((codec->width == icodec->width -
1549 (frame_leftBand + frame_rightBand)) &&
1550 (codec->height == icodec->height -
1551 (frame_topBand + frame_bottomBand)))
1552 {
1553 ost->video_resample = 0;
1554 ost->video_crop = 1;
1555 ost->topBand = frame_topBand;
1556 ost->leftBand = frame_leftBand;
1557 } else if ((codec->width == icodec->width +
1558 (frame_padleft + frame_padright)) &&
1559 (codec->height == icodec->height +
1560 (frame_padtop + frame_padbottom))) {
1561 ost->video_resample = 0;
1562 ost->video_crop = 0;
1563 ost->video_pad = 1;
1564 ost->padtop = frame_padtop;
1565 ost->padleft = frame_padleft;
1566 ost->padbottom = frame_padbottom;
1567 ost->padright = frame_padright;
1568 avcodec_get_frame_defaults(&ost->pict_tmp);
1569 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1570 codec->width, codec->height ) )
1571 goto fail;
1572 } else {
1573 ost->video_resample = 1;
1574 ost->video_crop = 0; // cropping is handled as part of resample
1575 avcodec_get_frame_defaults(&ost->pict_tmp);
1576 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1577 codec->width, codec->height ) )
1578 goto fail;
1579
1580 ost->img_resample_ctx = img_resample_full_init(
1581 ost->st->codec.width, ost->st->codec.height,
1582 ist->st->codec.width, ist->st->codec.height,
1583 frame_topBand, frame_bottomBand,
1584 frame_leftBand, frame_rightBand,
1585 frame_padtop, frame_padbottom,
1586 frame_padleft, frame_padright);
1587
1588 ost->padtop = frame_padtop;
1589 ost->padleft = frame_padleft;
1590 ost->padbottom = frame_padbottom;
1591 ost->padright = frame_padright;
1592
1593 }
1594 ost->encoding_needed = 1;
1595 ist->decoding_needed = 1;
1596 break;
1597 default:
1598 av_abort();
1599 }
1600 /* two pass mode */
1601 if (ost->encoding_needed &&
1602 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1603 char logfilename[1024];
1604 FILE *f;
1605 int size;
1606 char *logbuffer;
1607
1608 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1609 pass_logfilename ?
1610 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1611 if (codec->flags & CODEC_FLAG_PASS1) {
1612 f = fopen(logfilename, "w");
1613 if (!f) {
1614 perror(logfilename);
1615 exit(1);
1616 }
1617 ost->logfile = f;
1618 } else {
1619 /* read the log file */
1620 f = fopen(logfilename, "r");
1621 if (!f) {
1622 perror(logfilename);
1623 exit(1);
1624 }
1625 fseek(f, 0, SEEK_END);
1626 size = ftell(f);
1627 fseek(f, 0, SEEK_SET);
1628 logbuffer = av_malloc(size + 1);
1629 if (!logbuffer) {
1630 fprintf(stderr, "Could not allocate log buffer\n");
1631 exit(1);
1632 }
1633 size = fread(logbuffer, 1, size, f);
1634 fclose(f);
1635 logbuffer[size] = '\0';
1636 codec->stats_in = logbuffer;
1637 }
1638 }
1639 }
1640 }
1641
1642 /* dump the file output parameters - cannot be done before in case
1643 of stream copy */
1644 for(i=0;i<nb_output_files;i++) {
1645 dump_format(output_files[i], i, output_files[i]->filename, 1);
1646 }
1647
1648 /* dump the stream mapping */
1649 if (verbose >= 0) {
1650 fprintf(stderr, "Stream mapping:\n");
1651 for(i=0;i<nb_ostreams;i++) {
1652 ost = ost_table[i];
1653 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1654 ist_table[ost->source_index]->file_index,
1655 ist_table[ost->source_index]->index,
1656 ost->file_index,
1657 ost->index);
1658 }
1659 }
1660
1661 /* open each encoder */
1662 for(i=0;i<nb_ostreams;i++) {
1663 ost = ost_table[i];
1664 if (ost->encoding_needed) {
1665 AVCodec *codec;
1666 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1667 if (!codec) {
1668 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1669 ost->file_index, ost->index);
1670 exit(1);
1671 }
1672 if (avcodec_open(&ost->st->codec, codec) < 0) {
1673 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1674 ost->file_index, ost->index);
1675 exit(1);
1676 }
1677 extra_size += ost->st->codec.extradata_size;
1678 }
1679 }
1680
1681 /* open each decoder */
1682 for(i=0;i<nb_istreams;i++) {
1683 ist = ist_table[i];
1684 if (ist->decoding_needed) {
1685 AVCodec *codec;
1686 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1687 if (!codec) {
1688 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1689 ist->st->codec.codec_id, ist->file_index, ist->index);
1690 exit(1);
1691 }
1692 if (avcodec_open(&ist->st->codec, codec) < 0) {
1693 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1694 ist->file_index, ist->index);
1695 exit(1);
1696 }
1697 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1698 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1699 }
1700 }
1701
1702 /* init pts */
1703 for(i=0;i<nb_istreams;i++) {
1704 ist = ist_table[i];
1705 is = input_files[ist->file_index];
1706 ist->pts = 0;
1707 ist->next_pts = 0;
1708 ist->is_start = 1;
1709 }
1710
1711 /* compute buffer size max (should use a complete heuristic) */
1712 for(i=0;i<nb_input_files;i++) {
1713 file_table[i].buffer_size_max = 2048;
1714 }
1715
1716 /* open files and write file headers */
1717 for(i=0;i<nb_output_files;i++) {
1718 os = output_files[i];
1719 if (av_write_header(os) < 0) {
1720 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1721 ret = -EINVAL;
1722 goto fail;
1723 }
1724 }
1725
1726 #ifndef CONFIG_WIN32
1727 if ( !using_stdin && verbose >= 0) {
1728 fprintf(stderr, "Press [q] to stop encoding\n");
1729 url_set_interrupt_cb(decode_interrupt_cb);
1730 }
1731 #endif
1732 term_init();
1733
1734 stream_no_data = 0;
1735 key = -1;
1736
1737 for(; received_sigterm == 0;) {
1738 int file_index, ist_index;
1739 AVPacket pkt;
1740 double ipts_min= 1e100;
1741 double opts_min= 1e100;
1742
1743 redo:
1744 /* if 'q' pressed, exits */
1745 if (!using_stdin) {
1746 if (q_pressed)
1747 break;
1748 /* read_key() returns 0 on EOF */
1749 key = read_key();
1750 if (key == 'q')
1751 break;
1752 }
1753
1754 /* select the stream that we must read now by looking at the
1755 smallest output pts */
1756 file_index = -1;
1757 for(i=0;i<nb_ostreams;i++) {
1758 double ipts, opts;
1759 ost = ost_table[i];
1760 os = output_files[ost->file_index];
1761 ist = ist_table[ost->source_index];
1762 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1763 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1764 else
1765 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1766 ipts = (double)ist->pts;
1767 if (!file_table[ist->file_index].eof_reached){
1768 if(ipts < ipts_min) {
1769 ipts_min = ipts;
1770 if(input_sync ) file_index = ist->file_index;
1771 }
1772 if(opts < opts_min) {
1773 opts_min = opts;
1774 if(!input_sync) file_index = ist->file_index;
1775 }
1776 }
1777 }
1778 /* if none, if is finished */
1779 if (file_index < 0) {
1780 break;
1781 }
1782
1783 /* finish if recording time exhausted */
1784 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1785 break;
1786
1787 /* read a frame from it and output it in the fifo */
1788 is = input_files[file_index];
1789 if (av_read_frame(is, &pkt) < 0) {
1790 file_table[file_index].eof_reached = 1;
1791 continue;
1792 }
1793
1794 if (!pkt.size) {
1795 stream_no_data = is;
1796 } else {
1797 stream_no_data = 0;
1798 }
1799 if (do_pkt_dump) {
1800 av_pkt_dump(stdout, &pkt, do_hex_dump);
1801 }
1802 /* the following test is needed in case new streams appear
1803 dynamically in stream : we ignore them */
1804 if (pkt.stream_index >= file_table[file_index].nb_streams)
1805 goto discard_packet;
1806 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1807 ist = ist_table[ist_index];
1808 if (ist->discard)
1809 goto discard_packet;
1810
1811 // fprintf(stderr, "next:%lld dts:%lld off:%lld %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec.codec_type);
1812 if (pkt.dts != AV_NOPTS_VALUE) {
1813 int64_t delta= pkt.dts - ist->next_pts;
1814 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1815 input_files_ts_offset[ist->file_index]-= delta;
1816 if (verbose > 2)
1817 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1818 for(i=0; i<file_table[file_index].nb_streams; i++){
1819 int index= file_table[file_index].ist_index + i;
1820 ist_table[index]->next_pts += delta;
1821 ist_table[index]->is_start=1;
1822 }
1823 }
1824 }
1825
1826 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1827 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1828
1829 if (verbose >= 0)
1830 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1831 ist->file_index, ist->index);
1832
1833 av_free_packet(&pkt);
1834 goto redo;
1835 }
1836
1837 discard_packet:
1838 av_free_packet(&pkt);
1839
1840 /* dump report by using the output first video and audio streams */
1841 print_report(output_files, ost_table, nb_ostreams, 0);
1842 }
1843
1844 /* at the end of stream, we must flush the decoder buffers */
1845 for(i=0;i<nb_istreams;i++) {
1846 ist = ist_table[i];
1847 if (ist->decoding_needed) {
1848 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1849 }
1850 }
1851
1852 term_exit();
1853
1854 /* write the trailer if needed and close file */
1855 for(i=0;i<nb_output_files;i++) {
1856 os = output_files[i];
1857 av_write_trailer(os);
1858 }
1859
1860 /* dump report by using the first video and audio streams */
1861 print_report(output_files, ost_table, nb_ostreams, 1);
1862
1863 /* close each encoder */
1864 for(i=0;i<nb_ostreams;i++) {
1865 ost = ost_table[i];
1866 if (ost->encoding_needed) {
1867 av_freep(&ost->st->codec.stats_in);
1868 avcodec_close(&ost->st->codec);
1869 }
1870 }
1871
1872 /* close each decoder */
1873 for(i=0;i<nb_istreams;i++) {
1874 ist = ist_table[i];
1875 if (ist->decoding_needed) {
1876 avcodec_close(&ist->st->codec);
1877 }
1878 }
1879
1880 /* finished ! */
1881
1882 ret = 0;
1883 fail1:
1884 av_free(file_table);
1885
1886 if (ist_table) {
1887 for(i=0;i<nb_istreams;i++) {
1888 ist = ist_table[i];
1889 av_free(ist);
1890 }
1891 av_free(ist_table);
1892 }
1893 if (ost_table) {
1894 for(i=0;i<nb_ostreams;i++) {
1895 ost = ost_table[i];
1896 if (ost) {
1897 if (ost->logfile) {
1898 fclose(ost->logfile);
1899 ost->logfile = NULL;
1900 }
1901 fifo_free(&ost->fifo); /* works even if fifo is not
1902 initialized but set to zero */
1903 av_free(ost->pict_tmp.data[0]);
1904 if (ost->video_resample)
1905 img_resample_close(ost->img_resample_ctx);
1906 if (ost->audio_resample)
1907 audio_resample_close(ost->resample);
1908 av_free(ost);
1909 }
1910 }
1911 av_free(ost_table);
1912 }
1913 return ret;
1914 fail:
1915 ret = -ENOMEM;
1916 goto fail1;
1917 }
1918
1919 #if 0
1920 int file_read(const char *filename)
1921 {
1922 URLContext *h;
1923 unsigned char buffer[1024];
1924 int len, i;
1925
1926 if (url_open(&h, filename, O_RDONLY) < 0) {
1927 printf("could not open '%s'\n", filename);
1928 return -1;
1929 }
1930 for(;;) {
1931 len = url_read(h, buffer, sizeof(buffer));
1932 if (len <= 0)
1933 break;
1934 for(i=0;i<len;i++) putchar(buffer[i]);
1935 }
1936 url_close(h);
1937 return 0;
1938 }
1939 #endif
1940
1941 static void opt_image_format(const char *arg)
1942 {
1943 AVImageFormat *f;
1944
1945 for(f = first_image_format; f != NULL; f = f->next) {
1946 if (!strcmp(arg, f->name))
1947 break;
1948 }
1949 if (!f) {
1950 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1951 exit(1);
1952 }
1953 image_format = f;
1954 }
1955
1956 static void opt_format(const char *arg)
1957 {
1958 /* compatibility stuff for pgmyuv */
1959 if (!strcmp(arg, "pgmyuv")) {
1960 opt_image_format(arg);
1961 arg = "image";
1962 }
1963
1964 file_iformat = av_find_input_format(arg);
1965 file_oformat = guess_format(arg, NULL, NULL);
1966 if (!file_iformat && !file_oformat) {
1967 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1968 exit(1);
1969 }
1970 }
1971
1972 static void opt_video_bitrate(const char *arg)
1973 {
1974 video_bit_rate = atoi(arg) * 1000;
1975 }
1976
1977 static void opt_video_bitrate_tolerance(const char *arg)
1978 {
1979 video_bit_rate_tolerance = atoi(arg) * 1000;
1980 }
1981
1982 static void opt_video_bitrate_max(const char *arg)
1983 {
1984 video_rc_max_rate = atoi(arg) * 1000;
1985 }
1986
1987 static void opt_video_bitrate_min(const char *arg)
1988 {
1989 video_rc_min_rate = atoi(arg) * 1000;
1990 }
1991
1992 static void opt_video_buffer_size(const char *arg)
1993 {
1994 video_rc_buffer_size = atoi(arg) * 8*1024;
1995 }
1996
1997 static void opt_video_rc_eq(char *arg)
1998 {
1999 video_rc_eq = arg;
2000 }
2001
2002 static void opt_video_rc_override_string(char *arg)
2003 {
2004 video_rc_override_string = arg;
2005 }
2006
2007
2008 static void opt_workaround_bugs(const char *arg)
2009 {
2010 workaround_bugs = atoi(arg);
2011 }
2012
2013 static void opt_dct_algo(const char *arg)
2014 {
2015 dct_algo = atoi(arg);
2016 }
2017
2018 static void opt_idct_algo(const char *arg)
2019 {
2020 idct_algo = atoi(arg);
2021 }
2022
2023 static void opt_me_threshold(const char *arg)
2024 {
2025 me_threshold = atoi(arg);
2026 }
2027
2028 static void opt_mb_threshold(const char *arg)
2029 {
2030 mb_threshold = atoi(arg);
2031 }
2032
2033 static void opt_error_resilience(const char *arg)
2034 {
2035 error_resilience = atoi(arg);
2036 }
2037
2038 static void opt_error_concealment(const char *arg)
2039 {
2040 error_concealment = atoi(arg);
2041 }
2042
2043 static void opt_debug(const char *arg)
2044 {
2045 debug = atoi(arg);
2046 }
2047
2048 static void opt_vismv(const char *arg)
2049 {
2050 debug_mv = atoi(arg);
2051 }
2052
2053 static void opt_verbose(const char *arg)
2054 {
2055 verbose = atoi(arg);
2056 av_log_set_level(atoi(arg));
2057 }
2058
2059 static void opt_frame_rate(const char *arg)
2060 {
2061 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2062 fprintf(stderr, "Incorrect frame rate\n");
2063 exit(1);
2064 }
2065 }
2066
2067 static void opt_frame_crop_top(const char *arg)
2068 {
2069 frame_topBand = atoi(arg);
2070 if (frame_topBand < 0) {
2071 fprintf(stderr, "Incorrect top crop size\n");
2072 exit(1);
2073 }
2074 if ((frame_topBand % 2) != 0) {
2075 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2076 exit(1);
2077 }
2078 if ((frame_topBand) >= frame_height){
2079 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2080 exit(1);
2081 }
2082 frame_height -= frame_topBand;
2083 }
2084
2085 static void opt_frame_crop_bottom(const char *arg)
2086 {
2087 frame_bottomBand = atoi(arg);
2088 if (frame_bottomBand < 0) {
2089 fprintf(stderr, "Incorrect bottom crop size\n");
2090 exit(1);
2091 }
2092 if ((frame_bottomBand % 2) != 0) {
2093 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2094 exit(1);
2095 }
2096 if ((frame_bottomBand) >= frame_height){
2097 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2098 exit(1);
2099 }
2100 frame_height -= frame_bottomBand;
2101 }
2102
2103 static void opt_frame_crop_left(const char *arg)
2104 {
2105 frame_leftBand = atoi(arg);
2106 if (frame_leftBand < 0) {
2107 fprintf(stderr, "Incorrect left crop size\n");
2108 exit(1);
2109 }
2110 if ((frame_leftBand % 2) != 0) {
2111 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2112 exit(1);
2113 }
2114 if ((frame_leftBand) >= frame_width){
2115 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2116 exit(1);
2117 }
2118 frame_width -= frame_leftBand;
2119 }
2120
2121 static void opt_frame_crop_right(const char *arg)
2122 {
2123 frame_rightBand = atoi(arg);
2124 if (frame_rightBand < 0) {
2125 fprintf(stderr, "Incorrect right crop size\n");
2126 exit(1);
2127 }
2128 if ((frame_rightBand % 2) != 0) {
2129 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2130 exit(1);
2131 }
2132 if ((frame_rightBand) >= frame_width){
2133 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2134 exit(1);
2135 }
2136 frame_width -= frame_rightBand;
2137 }
2138
2139 static void opt_frame_size(const char *arg)
2140 {
2141 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2142 fprintf(stderr, "Incorrect frame size\n");
2143 exit(1);
2144 }
2145 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2146 fprintf(stderr, "Frame size must be a multiple of 2\n");
2147 exit(1);
2148 }
2149 }
2150
2151
2152 #define SCALEBITS 10
2153 #define ONE_HALF (1 << (SCALEBITS - 1))
2154 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2155
2156 #define RGB_TO_Y(r, g, b) \
2157 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2158 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2159
2160 #define RGB_TO_U(r1, g1, b1, shift)\
2161 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2162 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2163
2164 #define RGB_TO_V(r1, g1, b1, shift)\
2165 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2166 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2167
2168 static void opt_pad_color(const char *arg) {
2169 /* Input is expected to be six hex digits similar to
2170 how colors are expressed in html tags (but without the #) */
2171 int rgb = strtol(arg, NULL, 16);
2172 int r,g,b;
2173
2174 r = (rgb >> 16);
2175 g = ((rgb >> 8) & 255);
2176 b = (rgb & 255);
2177
2178 padcolor[0] = RGB_TO_Y(r,g,b);
2179 padcolor[1] = RGB_TO_U(r,g,b,0);
2180 padcolor[2] = RGB_TO_V(r,g,b,0);
2181 }
2182
2183 static void opt_frame_pad_top(const char *arg)
2184 {
2185 frame_padtop = atoi(arg);
2186 if (frame_padtop < 0) {
2187 fprintf(stderr, "Incorrect top pad size\n");
2188 exit(1);
2189 }
2190 if ((frame_padtop % 2) != 0) {
2191 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2192 exit(1);
2193 }
2194 }
2195
2196 static void opt_frame_pad_bottom(const char *arg)
2197 {
2198 frame_padbottom = atoi(arg);
2199 if (frame_padbottom < 0) {
2200 fprintf(stderr, "Incorrect bottom pad size\n");
2201 exit(1);
2202 }
2203 if ((frame_padbottom % 2) != 0) {
2204 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2205 exit(1);
2206 }
2207 }
2208
2209
2210 static void opt_frame_pad_left(const char *arg)
2211 {
2212 frame_padleft = atoi(arg);
2213 if (frame_padleft < 0) {
2214 fprintf(stderr, "Incorrect left pad size\n");
2215 exit(1);
2216 }
2217 if ((frame_padleft % 2) != 0) {
2218 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2219 exit(1);
2220 }
2221 }
2222
2223
2224 static void opt_frame_pad_right(const char *arg)
2225 {
2226 frame_padright = atoi(arg);
2227 if (frame_padright < 0) {
2228 fprintf(stderr, "Incorrect right pad size\n");
2229 exit(1);
2230 }
2231 if ((frame_padright % 2) != 0) {
2232 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2233 exit(1);
2234 }
2235 }
2236
2237
2238 static void opt_frame_pix_fmt(const char *arg)
2239 {
2240 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2241 }
2242
2243 static void opt_frame_aspect_ratio(const char *arg)
2244 {
2245 int x = 0, y = 0;
2246 double ar = 0;
2247 const char *p;
2248
2249 p = strchr(arg, ':');
2250 if (p) {
2251 x = strtol(arg, (char **)&arg, 10);
2252 if (arg == p)
2253 y = strtol(arg+1, (char **)&arg, 10);
2254 if (x > 0 && y > 0)
2255 ar = (double)x / (double)y;
2256 } else
2257 ar = strtod(arg, (char **)&arg);
2258
2259 if (!ar) {
2260 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2261 exit(1);
2262 }
2263 frame_aspect_ratio = ar;
2264 }
2265
2266 static void opt_gop_size(const char *arg)
2267 {
2268 gop_size = atoi(arg);
2269 }
2270
2271 static void opt_b_frames(const char *arg)
2272 {
2273 b_frames = atoi(arg);
2274 if (b_frames > FF_MAX_B_FRAMES) {
2275 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2276 exit(1);
2277 } else if (b_frames < 1) {
2278 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2279 exit(1);
2280 }
2281 }
2282
2283 static void opt_mb_decision(const char *arg)
2284 {
2285 mb_decision = atoi(arg);
2286 }
2287
2288 static void opt_mb_cmp(const char *arg)
2289 {
2290 mb_cmp = atoi(arg);
2291 }
2292
2293 static void opt_ildct_cmp(const char *arg)
2294 {
2295 ildct_cmp = atoi(arg);
2296 }
2297
2298 static void opt_sub_cmp(const char *arg)
2299 {
2300 sub_cmp = atoi(arg);
2301 }
2302
2303 static void opt_cmp(const char *arg)
2304 {
2305 cmp = atoi(arg);
2306 }
2307
2308 static void opt_pre_cmp(const char *arg)
2309 {
2310 pre_cmp = atoi(arg);
2311 }
2312
2313 static void opt_pre_me(const char *arg)
2314 {
2315 pre_me = atoi(arg);
2316 }
2317
2318 static void opt_lumi_mask(const char *arg)
2319 {
2320 lumi_mask = atof(arg);
2321 }
2322
2323 static void opt_dark_mask(const char *arg)
2324 {
2325 dark_mask = atof(arg);
2326 }
2327
2328 static void opt_scplx_mask(const char *arg)
2329 {
2330 scplx_mask = atof(arg);
2331 }
2332
2333 static void opt_tcplx_mask(const char *arg)
2334 {
2335 tcplx_mask = atof(arg);
2336 }
2337
2338 static void opt_p_mask(const char *arg)
2339 {
2340 p_mask = atof(arg);
2341 }
2342
2343 static void opt_qscale(const char *arg)
2344 {
2345 video_qscale = atof(arg);
2346 if (video_qscale < 0.01 ||
2347 video_qscale > 255) {
2348 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2349 exit(1);
2350 }
2351 }
2352
2353 static void opt_lmax(const char *arg)
2354 {
2355 video_lmax = atof(arg)*FF_QP2LAMBDA;
2356 }
2357
2358 static void opt_lmin(const char *arg)
2359 {
2360 video_lmin = atof(arg)*FF_QP2LAMBDA;
2361 }
2362
2363 static void opt_qmin(const char *arg)
2364 {
2365 video_qmin = atoi(arg);
2366 if (video_qmin < 0 ||
2367 video_qmin > 31) {
2368 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2369 exit(1);
2370 }
2371 }
2372
2373 static void opt_qmax(const char *arg)
2374 {
2375 video_qmax = atoi(arg);
2376 if (video_qmax < 0 ||
2377 video_qmax > 31) {
2378 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2379 exit(1);
2380 }
2381 }
2382
2383 static void opt_mb_qmin(const char *arg)
2384 {
2385 video_mb_qmin = atoi(arg);
2386 if (video_mb_qmin < 0 ||
2387 video_mb_qmin > 31) {
2388 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2389 exit(1);
2390 }
2391 }
2392
2393 static void opt_mb_qmax(const char *arg)
2394 {
2395 video_mb_qmax = atoi(arg);
2396 if (video_mb_qmax < 0 ||
2397 video_mb_qmax > 31) {
2398 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2399 exit(1);
2400 }
2401 }
2402
2403 static void opt_qdiff(const char *arg)
2404 {
2405 video_qdiff = atoi(arg);
2406 if (video_qdiff < 0 ||
2407 video_qdiff > 31) {
2408 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2409 exit(1);
2410 }
2411 }
2412
2413 static void opt_qblur(const char *arg)
2414 {
2415 video_qblur = atof(arg);
2416 }
2417
2418 static void opt_qcomp(const char *arg)
2419 {
2420 video_qcomp = atof(arg);
2421 }
2422
2423 static void opt_rc_initial_cplx(const char *arg)
2424 {
2425 video_rc_initial_cplx = atof(arg);
2426 }
2427 static void opt_b_qfactor(const char *arg)
2428 {
2429 video_b_qfactor = atof(arg);
2430 }
2431 static void opt_i_qfactor(const char *arg)
2432 {
2433 video_i_qfactor = atof(arg);
2434 }
2435 static void opt_b_qoffset(const char *arg)
2436 {
2437 video_b_qoffset = atof(arg);
2438 }
2439 static void opt_i_qoffset(const char *arg)
2440 {
2441 video_i_qoffset = atof(arg);
2442 }
2443
2444 static void opt_ibias(const char *arg)
2445 {
2446 video_intra_quant_bias = atoi(arg);
2447 }
2448 static void opt_pbias(const char *arg)
2449 {
2450 video_inter_quant_bias = atoi(arg);
2451 }
2452
2453 static void opt_packet_size(const char *arg)
2454 {
2455 packet_size= atoi(arg);
2456 }
2457
2458 static void opt_error_rate(const char *arg)
2459 {
2460 error_rate= atoi(arg);
2461 }
2462
2463 static void opt_strict(const char *arg)
2464 {
2465 strict= atoi(arg);
2466 }
2467
2468 static void opt_top_field_first(const char *arg)
2469 {
2470 top_field_first= atoi(arg);
2471 }
2472
2473 static void opt_noise_reduction(const char *arg)
2474 {
2475 noise_reduction= atoi(arg);
2476 }
2477
2478 static void opt_qns(const char *arg)
2479 {
2480 qns= atoi(arg);
2481 }
2482
2483 static void opt_sc_threshold(const char *arg)
2484 {
2485 sc_threshold= atoi(arg);
2486 }
2487
2488 static void opt_me_range(const char *arg)
2489 {
2490 me_range = atoi(arg);
2491 }
2492
2493 static void opt_thread_count(const char *arg)
2494 {
2495 thread_count= atoi(arg);
2496 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2497 if (verbose >= 0)
2498 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2499 #endif
2500 }
2501
2502 static void opt_audio_bitrate(const char *arg)
2503 {
2504 audio_bit_rate = atoi(arg) * 1000;
2505 }
2506
2507 static void opt_audio_rate(const char *arg)
2508 {
2509 audio_sample_rate = atoi(arg);
2510 }
2511
2512 static void opt_audio_channels(const char *arg)
2513 {
2514 audio_channels = atoi(arg);
2515 }
2516
2517 static void opt_video_device(const char *arg)
2518 {
2519 video_device = av_strdup(arg);
2520 }
2521
2522 static void opt_video_channel(const char *arg)
2523 {
2524 video_channel = strtol(arg, NULL, 0);
2525 }
2526
2527 static void opt_video_standard(const char *arg)
2528 {
2529 video_standard = av_strdup(arg);
2530 }
2531
2532 static void opt_audio_device(const char *arg)
2533 {
2534 audio_device = av_strdup(arg);
2535 }
2536
2537 static void opt_dv1394(const char *arg)
2538 {
2539 video_grab_format = "dv1394";
2540 audio_grab_format = NULL;
2541 }
2542
2543 static void opt_audio_codec(const char *arg)
2544 {
2545 AVCodec *p;
2546
2547 if (!strcmp(arg, "copy")) {
2548 audio_stream_copy = 1;
2549 } else {
2550 p = first_avcodec;
2551 while (p) {
2552 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2553 break;
2554 p = p->next;
2555 }
2556 if (p == NULL) {
2557 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2558 exit(1);
2559 } else {
2560 audio_codec_id = p->id;
2561 }
2562 }
2563 }
2564
2565 static void add_frame_hooker(const char *arg)
2566 {
2567 int argc = 0;
2568 char *argv[64];
2569 int i;
2570 char *args = av_strdup(arg);
2571
2572 using_vhook = 1;
2573
2574 argv[0] = strtok(args, " ");
2575 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2576 }
2577
2578 i = frame_hook_add(argc, argv);
2579
2580 if (i != 0) {
2581 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2582 exit(1);
2583 }
2584 }
2585
2586 const char *motion_str[] = {
2587 "zero",
2588 "full",
2589 "log",
2590 "phods",
2591 "epzs",
2592 "x1",
2593 NULL,
2594 };
2595
2596 static void opt_motion_estimation(const char *arg)
2597 {
2598 const char **p;
2599 p = motion_str;
2600 for(;;) {
2601 if (!*p) {
2602 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2603 exit(1);
2604 }
2605 if (!strcmp(*p, arg))
2606 break;
2607 p++;
2608 }
2609 me_method = (p - motion_str) + 1;
2610 }
2611
2612 static void opt_video_codec(const char *arg)
2613 {
2614 AVCodec *p;
2615
2616 if (!strcmp(arg, "copy")) {
2617 video_stream_copy = 1;
2618 } else {
2619 p = first_avcodec;
2620 while (p) {
2621 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2622 break;
2623 p = p->next;
2624 }
2625 if (p == NULL) {
2626 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2627 exit(1);
2628 } else {
2629 video_codec_id = p->id;
2630 }
2631 }
2632 }
2633
2634 static void opt_map(const char *arg)
2635 {
2636 AVStreamMap *m;
2637 const char *p;
2638
2639 p = arg;
2640 m = &stream_maps[nb_stream_maps++];
2641
2642 m->file_index = strtol(arg, (char **)&p, 0);
2643 if (*p)
2644 p++;
2645
2646 m->stream_index = strtol(p, (char **)&p, 0);
2647 }
2648
2649 static void opt_recording_time(const char *arg)
2650 {
2651 recording_time = parse_date(arg, 1);
2652 }
2653
2654 static void opt_start_time(const char *arg)
2655 {
2656 start_time = parse_date(arg, 1);
2657 }
2658
2659 static void opt_rec_timestamp(const char *arg)
2660 {
2661 rec_timestamp = parse_date(arg, 0) / 1000000;
2662 }
2663
2664 static void opt_input_ts_offset(const char *arg)
2665 {
2666 input_ts_offset = parse_date(arg, 1);
2667 }
2668
2669 static void opt_input_file(const char *filename)
2670 {
2671 AVFormatContext *ic;
2672 AVFormatParameters params, *ap = &params;
2673 int err, i, ret, rfps, rfps_base;
2674
2675 if (!strcmp(filename, "-"))
2676 filename = "pipe:";
2677
2678 using_stdin |= !strcmp(filename, "pipe:" ) ||
2679 !strcmp( filename, "/dev/stdin" );
2680
2681 /* get default parameters from command line */
2682 memset(ap, 0, sizeof(*ap));
2683 ap->sample_rate = audio_sample_rate;
2684 ap->channels = audio_channels;
2685 ap->frame_rate = frame_rate;
2686 ap->frame_rate_base = frame_rate_base;
2687 ap->width = frame_width + frame_padleft + frame_padright;
2688 ap->height = frame_height + frame_padtop + frame_padbottom;
2689 ap->image_format = image_format;
2690 ap->pix_fmt = frame_pix_fmt;
2691
2692 /* open the input file with generic libav function */
2693 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2694 if (err < 0) {
2695 print_error(filename, err);
2696 exit(1);
2697 }
2698
2699 /* If not enough info to get the stream parameters, we decode the
2700 first frames to get it. (used in mpeg case for example) */
2701 ret = av_find_stream_info(ic);
2702 if (ret < 0 && verbose >= 0) {
2703 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2704 exit(1);
2705 }
2706
2707 /* if seeking requested, we execute it */
2708 if (start_time != 0) {
2709 int64_t timestamp;
2710
2711 timestamp = start_time;
2712 /* add the stream start time */
2713 if (ic->start_time != AV_NOPTS_VALUE)
2714 timestamp += ic->start_time;
2715 ret = av_seek_frame(ic, -1, timestamp);
2716 if (ret < 0) {
2717 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2718 filename, (double)timestamp / AV_TIME_BASE);
2719 }
2720 /* reset seek info */
2721 start_time = 0;
2722 }
2723
2724 /* update the current parameters so that they match the one of the input stream */
2725 for(i=0;i<ic->nb_streams;i++) {
2726 AVCodecContext *enc = &ic->streams[i]->codec;
2727 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2728 if(thread_count>1)
2729 avcodec_thread_init(enc, thread_count);
2730 #endif
2731 enc->thread_count= thread_count;
2732 switch(enc->codec_type) {
2733 case CODEC_TYPE_AUDIO:
2734 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2735 audio_channels = enc->channels;
2736 audio_sample_rate = enc->sample_rate;
2737 break;
2738 case CODEC_TYPE_VIDEO:
2739 frame_height = enc->height;
2740 frame_width = enc->width;
2741 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2742 frame_pix_fmt = enc->pix_fmt;
2743 rfps = ic->streams[i]->r_frame_rate;
2744 rfps_base = ic->streams[i]->r_frame_rate_base;
2745 enc->workaround_bugs = workaround_bugs;
2746 enc->error_resilience = error_resilience;
2747 enc->error_concealment = error_concealment;
2748 enc->idct_algo = idct_algo;
2749 enc->debug = debug;
2750 enc->debug_mv = debug_mv;
2751 if(bitexact)
2752 enc->flags|= CODEC_FLAG_BITEXACT;
2753 if(me_threshold)
2754 enc->debug |= FF_DEBUG_MV;
2755
2756 assert(enc->frame_rate_base == rfps_base); // should be true for now
2757 if (enc->frame_rate != rfps) {
2758
2759 if (verbose >= 0)
2760 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2761 i, (float)enc->frame_rate / enc->frame_rate_base,
2762
2763 (float)rfps / rfps_base);
2764 }
2765 /* update the current frame rate to match the stream frame rate */
2766 frame_rate = rfps;
2767 frame_rate_base = rfps_base;
2768
2769 enc->rate_emu = rate_emu;
2770 break;
2771 case CODEC_TYPE_DATA:
2772 break;
2773 default:
2774 av_abort();
2775 }
2776 }
2777
2778 input_files[nb_input_files] = ic;
2779 input_files_ts_offset[nb_input_files] = input_ts_offset;
2780 /* dump the file content */
2781 if (verbose >= 0)
2782 dump_format(ic, nb_input_files, filename, 0);
2783
2784 nb_input_files++;
2785 file_iformat = NULL;
2786 file_oformat = NULL;
2787 image_format = NULL;
2788
2789 rate_emu = 0;
2790 }
2791
2792 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2793 {
2794 int has_video, has_audio, i, j;
2795 AVFormatContext *ic;
2796
2797 has_video = 0;
2798 has_audio = 0;
2799 for(j=0;j<nb_input_files;j++) {
2800 ic = input_files[j];
2801 for(i=0;i<ic->nb_streams;i++) {
2802 AVCodecContext *enc = &ic->streams[i]->codec;
2803 switch(enc->codec_type) {
2804 case CODEC_TYPE_AUDIO:
2805 has_audio = 1;
2806 break;
2807 case CODEC_TYPE_VIDEO:
2808 has_video = 1;
2809 break;
2810 case CODEC_TYPE_DATA:
2811 break;
2812 default:
2813 av_abort();
2814 }
2815 }
2816 }
2817 *has_video_ptr = has_video;
2818 *has_audio_ptr = has_audio;
2819 }
2820
2821 static void opt_output_file(const char *filename)
2822 {
2823 AVStream *st;
2824 AVFormatContext *oc;
2825 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2826 int codec_id;
2827 AVFormatParameters params, *ap = &params;
2828
2829 if (!strcmp(filename, "-"))
2830 filename = "pipe:";
2831
2832 oc = av_alloc_format_context();
2833
2834 if (!file_oformat) {
2835 file_oformat = guess_format(NULL, filename, NULL);
2836 if (!file_oformat) {
2837 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2838 filename);
2839 exit(1);
2840 }
2841 }
2842
2843 oc->oformat = file_oformat;
2844
2845 if (!strcmp(file_oformat->name, "ffm") &&
2846 strstart(filename, "http:", NULL)) {
2847 /* special case for files sent to ffserver: we get the stream
2848 parameters from ffserver */
2849 if (read_ffserver_streams(oc, filename) < 0) {
2850 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2851 exit(1);
2852 }
2853 } else {
2854 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2855 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2856
2857 /* disable if no corresponding type found and at least one
2858 input file */
2859 if (nb_input_files > 0) {
2860 check_audio_video_inputs(&input_has_video, &input_has_audio);
2861 if (!input_has_video)
2862 use_video = 0;
2863 if (!input_has_audio)
2864 use_audio = 0;
2865 }
2866
2867 /* manual disable */
2868 if (audio_disable) {
2869 use_audio = 0;
2870 }
2871 if (video_disable) {
2872 use_video = 0;
2873 }
2874
2875 nb_streams = 0;
2876 if (use_video) {
2877 AVCodecContext *video_enc;
2878
2879 st = av_new_stream(oc, nb_streams++);
2880 if (!st) {
2881 fprintf(stderr, "Could not alloc stream\n");
2882 exit(1);
2883 }
2884 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2885 if(thread_count>1)
2886 avcodec_thread_init(&st->codec, thread_count);
2887 #endif
2888
2889 video_enc = &st->codec;
2890
2891 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2892 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2893 if (video_stream_copy) {
2894 st->stream_copy = 1;
2895 video_enc->codec_type = CODEC_TYPE_VIDEO;
2896 } else {
2897 char *p;
2898 int i;
2899 AVCodec *codec;
2900
2901 codec_id = file_oformat->video_codec;
2902 if (video_codec_id != CODEC_ID_NONE)
2903 codec_id = video_codec_id;
2904
2905 video_enc->codec_id = codec_id;
2906 codec = avcodec_find_encoder(codec_id);
2907
2908 video_enc->bit_rate = video_bit_rate;
2909 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2910 video_enc->frame_rate = frame_rate;
2911 video_enc->frame_rate_base = frame_rate_base;
2912 if(codec && codec->supported_framerates){
2913 const AVRational *p= codec->supported_framerates;
2914 AVRational req= (AVRational){frame_rate, frame_rate_base};
2915 const AVRational *best=NULL;
2916 AVRational best_error= (AVRational){INT_MAX, 1};
2917 for(; p->den!=0; p++){
2918 AVRational error= av_sub_q(req, *p);
2919 if(error.num <0) error.num *= -1;
2920 if(av_cmp_q(error, best_error) < 0){
2921 best_error= error;
2922 best= p;
2923 }
2924 }
2925 video_enc->frame_rate = best->num;
2926 video_enc->frame_rate_base= best->den;
2927 }
2928
2929 video_enc->width = frame_width + frame_padright + frame_padleft;
2930 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2931 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2932 video_enc->pix_fmt = frame_pix_fmt;
2933
2934 if(codec && codec->pix_fmts){
2935 const enum PixelFormat *p= codec->pix_fmts;
2936 for(; *p!=-1; p++){
2937 if(*p == video_enc->pix_fmt)
2938 break;
2939 }
2940 if(*p == -1)
2941 video_enc->pix_fmt = codec->pix_fmts[0];
2942 }
2943
2944 if (!intra_only)
2945 video_enc->gop_size = gop_size;
2946 else
2947 video_enc->gop_size = 0;
2948 if (video_qscale || same_quality) {
2949 video_enc->flags |= CODEC_FLAG_QSCALE;
2950 st->quality = FF_QP2LAMBDA * video_qscale;
2951 }
2952
2953 if(intra_matrix)
2954 video_enc->intra_matrix = intra_matrix;
2955 if(inter_matrix)
2956 video_enc->inter_matrix = inter_matrix;
2957
2958 if(bitexact)
2959 video_enc->flags |= CODEC_FLAG_BITEXACT;
2960
2961 video_enc->mb_decision = mb_decision;
2962 video_enc->mb_cmp = mb_cmp;
2963 video_enc->ildct_cmp = ildct_cmp;
2964 video_enc->me_sub_cmp = sub_cmp;
2965 video_enc->me_cmp = cmp;
2966 video_enc->me_pre_cmp = pre_cmp;
2967 video_enc->pre_me = pre_me;
2968 video_enc->lumi_masking = lumi_mask;
2969 video_enc->dark_masking = dark_mask;
2970 video_enc->spatial_cplx_masking = scplx_mask;
2971 video_enc->temporal_cplx_masking = tcplx_mask;
2972 video_enc->p_masking = p_mask;
2973 video_enc->quantizer_noise_shaping= qns;
2974
2975 if (use_umv) {
2976 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2977 }
2978 if (use_ss) {
2979 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
2980 }
2981 if (use_aic) {
2982 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2983 }
2984 if (use_aiv) {
2985 video_enc->flags |= CODEC_FLAG_H263P_AIV;
2986 }
2987 if (use_4mv) {
2988 video_enc->flags |= CODEC_FLAG_4MV;
2989 }
2990 if (use_obmc) {
2991 video_enc->flags |= CODEC_FLAG_OBMC;
2992 }
2993 if (use_loop) {
2994 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
2995 }
2996
2997 if(use_part) {
2998 video_enc->flags |= CODEC_FLAG_PART;
2999 }
3000 if (use_alt_scan) {
3001 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3002 }
3003 if (use_trell) {
3004 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3005 }
3006 if (use_scan_offset) {
3007 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3008 }
3009 if (closed_gop) {
3010 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3011 }
3012 if (use_qpel) {
3013 video_enc->flags |= CODEC_FLAG_QPEL;
3014 }
3015 if (use_qprd) {
3016 video_enc->flags |= CODEC_FLAG_QP_RD;
3017 }
3018 if (use_cbprd) {
3019 video_enc->flags |= CODEC_FLAG_CBP_RD;
3020 }
3021 if (b_frames) {
3022 video_enc->max_b_frames = b_frames;
3023 video_enc->b_frame_strategy = 0;
3024 video_enc->b_quant_factor = 2.0;
3025 }
3026 if (do_interlace_dct) {
3027 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3028 }
3029 if (do_interlace_me) {
3030 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3031 }
3032 video_enc->qmin = video_qmin;
3033 video_enc->qmax = video_qmax;
3034 video_enc->lmin = video_lmin;
3035 video_enc->lmax = video_lmax;
3036 video_enc->mb_qmin = video_mb_qmin;
3037 video_enc->mb_qmax = video_mb_qmax;
3038 video_enc->max_qdiff = video_qdiff;
3039 video_enc->qblur = video_qblur;
3040 video_enc->qcompress = video_qcomp;
3041 video_enc->rc_eq = video_rc_eq;
3042 video_enc->debug = debug;
3043 video_enc->debug_mv = debug_mv;
3044 video_enc->thread_count = thread_count;
3045 p= video_rc_override_string;
3046 for(i=0; p; i++){
3047 int start, end, q;
3048 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3049 if(e!=3){
3050 fprintf(stderr, "error parsing rc_override\n");
3051 exit(1);
3052 }
3053 video_enc->rc_override=
3054 av_realloc(video_enc->rc_override,
3055 sizeof(RcOverride)*(i+1));
3056 video_enc->rc_override[i].start_frame= start;
3057 video_enc->rc_override[i].end_frame = end;
3058 if(q>0){
3059 video_enc->rc_override[i].qscale= q;
3060 video_enc->rc_override[i].quality_factor= 1.0;
3061 }
3062 else{
3063 video_enc->rc_override[i].qscale= 0;
3064 video_enc->rc_override[i].quality_factor= -q/100.0;
3065 }
3066 p= strchr(p, '/');
3067 if(p) p++;
3068 }
3069 video_enc->rc_override_count=i;
3070
3071 video_enc->rc_max_rate = video_rc_max_rate;
3072 video_enc->rc_min_rate = video_rc_min_rate;
3073 video_enc->rc_buffer_size = video_rc_buffer_size;
3074 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3075 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3076 video_enc->i_quant_factor = video_i_qfactor;
3077 video_enc->b_quant_factor = video_b_qfactor;
3078 video_enc->i_quant_offset = video_i_qoffset;
3079 video_enc->b_quant_offset = video_b_qoffset;
3080 video_enc->intra_quant_bias = video_intra_quant_bias;
3081 video_enc->inter_quant_bias = video_inter_quant_bias;
3082 video_enc->dct_algo = dct_algo;
3083 video_enc->idct_algo = idct_algo;
3084 video_enc->me_threshold= me_threshold;
3085 video_enc->mb_threshold= mb_threshold;
3086 video_enc->intra_dc_precision= intra_dc_precision - 8;
3087 video_enc->strict_std_compliance = strict;
3088 video_enc->error_rate = error_rate;
3089 video_enc->noise_reduction= noise_reduction;
3090 video_enc->scenechange_threshold= sc_threshold;
3091 video_enc->me_range = me_range;
3092 video_enc->coder_type= coder;
3093 video_enc->context_model= context;
3094 video_enc->prediction_method= predictor;
3095
3096 if(packet_size){
3097 video_enc->rtp_mode= 1;
3098 video_enc->rtp_payload_size= packet_size;
3099 }
3100
3101 if (do_psnr)
3102 video_enc->flags|= CODEC_FLAG_PSNR;
3103
3104 video_enc->me_method = me_method;
3105
3106 /* two pass mode */
3107 if (do_pass) {
3108 if (do_pass == 1) {
3109 video_enc->flags |= CODEC_FLAG_PASS1;
3110 } else {
3111 video_enc->flags |= CODEC_FLAG_PASS2;
3112 }
3113 }
3114 }
3115 }
3116
3117 if (use_audio) {
3118 AVCodecContext *audio_enc;
3119
3120 st = av_new_stream(oc, nb_streams++);
3121 if (!st) {
3122 fprintf(stderr, "Could not alloc stream\n");
3123 exit(1);
3124 }
3125 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3126 if(thread_count>1)
3127 avcodec_thread_init(&st->codec, thread_count);
3128 #endif
3129
3130 audio_enc = &st->codec;
3131 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3132
3133 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3134 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3135 if (audio_stream_copy) {
3136 st->stream_copy = 1;
3137 audio_enc->channels = audio_channels;
3138 } else {
3139 codec_id = file_oformat->audio_codec;
3140 if (audio_codec_id != CODEC_ID_NONE)
3141 codec_id = audio_codec_id;
3142 audio_enc->codec_id = codec_id;
3143
3144 audio_enc->bit_rate = audio_bit_rate;
3145 audio_enc->strict_std_compliance = strict;
3146 audio_enc->thread_count = thread_count;
3147 /* For audio codecs other than AC3 we limit */
3148 /* the number of coded channels to stereo */
3149 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
3150 audio_enc->channels = 2;
3151 } else
3152 audio_enc->channels = audio_channels;
3153 }
3154 audio_enc->sample_rate = audio_sample_rate;
3155 }
3156
3157 oc->nb_streams = nb_streams;
3158
3159 if (!nb_streams) {
3160 fprintf(stderr, "No audio or video streams available\n");
3161 exit(1);
3162 }
3163
3164 oc->timestamp = rec_timestamp;
3165
3166 if (str_title)
3167 pstrcpy(oc->title, sizeof(oc->title), str_title);
3168 if (str_author)
3169 pstrcpy(oc->author, sizeof(oc->author), str_author);
3170 if (str_copyright)
3171 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3172 if (str_comment)
3173 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3174 }
3175
3176 output_files[nb_output_files++] = oc;
3177
3178 strcpy(oc->filename, filename);
3179
3180 /* check filename in case of an image number is expected */
3181 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3182 if (filename_number_test(oc->filename) < 0) {
3183 print_error(oc->filename, AVERROR_NUMEXPECTED);
3184 exit(1);
3185 }
3186 }
3187
3188 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3189 /* test if it already exists to avoid loosing precious files */
3190 if (!file_overwrite &&
3191 (strchr(filename, ':') == NULL ||
3192 strstart(filename, "file:", NULL))) {
3193 if (url_exist(filename)) {
3194 int c;
3195
3196 if ( !using_stdin ) {
3197 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3198 fflush(stderr);
3199 c = getchar();
3200 if (toupper(c) != 'Y') {
3201 fprintf(stderr, "Not overwriting - exiting\n");
3202 exit(1);
3203 }
3204 }
3205 else {
3206 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3207 exit(1);
3208 }
3209 }
3210 }
3211
3212 /* open the file */
3213 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3214 fprintf(stderr, "Could not open '%s'\n", filename);
3215 exit(1);
3216 }
3217 }
3218
3219 memset(ap, 0, sizeof(*ap));
3220 ap->image_format = image_format;
3221 if (av_set_parameters(oc, ap) < 0) {
3222 fprintf(stderr, "%s: Invalid encoding parameters\n",
3223 oc->filename);
3224 exit(1);
3225 }
3226
3227 /* reset some options */
3228 file_oformat = NULL;
3229 file_iformat = NULL;
3230 image_format = NULL;
3231 audio_disable = 0;
3232 video_disable = 0;
3233 audio_codec_id = CODEC_ID_NONE;
3234 video_codec_id = CODEC_ID_NONE;
3235 audio_stream_copy = 0;
3236 video_stream_copy = 0;
3237 }
3238
3239 /* prepare dummy protocols for grab */
3240 static void prepare_grab(void)
3241 {
3242 int has_video, has_audio, i, j;
3243 AVFormatContext *oc;
3244 AVFormatContext *ic;
3245 AVFormatParameters vp1, *vp = &vp1;
3246 AVFormatParameters ap1, *ap = &ap1;
3247
3248 /* see if audio/video inputs are needed */
3249 has_video = 0;
3250 has_audio = 0;
3251 memset(ap, 0, sizeof(*ap));
3252 memset(vp, 0, sizeof(*vp));
3253 for(j=0;j<nb_output_files;j++) {
3254 oc = output_files[j];
3255 for(i=0;i<oc->nb_streams;i++) {
3256 AVCodecContext *enc = &oc->streams[i]->codec;
3257 switch(enc->codec_type) {
3258 case CODEC_TYPE_AUDIO:
3259 if (enc->sample_rate > ap->sample_rate)
3260 ap->sample_rate = enc->sample_rate;
3261 if (enc->channels > ap->channels)
3262 ap->channels = enc->channels;
3263 has_audio = 1;
3264 break;
3265 case CODEC_TYPE_VIDEO:
3266 if (enc->width > vp->width)
3267 vp->width = enc->width;
3268 if (enc->height > vp->height)
3269 vp->height = enc->height;
3270
3271 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
3272 if (enc->frame_rate > vp->frame_rate){
3273 vp->frame_rate = enc->frame_rate;
3274 vp->frame_rate_base = enc->frame_rate_base;
3275 }
3276 has_video = 1;
3277 break;
3278 default:
3279 av_abort();
3280 }
3281 }
3282 }
3283
3284 if (has_video == 0 && has_audio == 0) {
3285 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3286 exit(1);
3287 }
3288
3289 if (has_video) {
3290 AVInputFormat *fmt1;
3291 fmt1 = av_find_input_format(video_grab_format);
3292 vp->device = video_device;
3293 vp->channel = video_channel;
3294 vp->standard = video_standard;
3295 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3296 fprintf(stderr, "Could not find video grab device\n");
3297 exit(1);
3298 }
3299 /* If not enough info to get the stream parameters, we decode the
3300 first frames to get it. */
3301 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3302 fprintf(stderr, "Could not find video grab parameters\n");
3303 exit(1);
3304 }
3305 /* by now video grab has one stream */
3306 ic->streams[0]->r_frame_rate = vp->frame_rate;
3307 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
3308 input_files[nb_input_files] = ic;
3309
3310 if (verbose >= 0)
3311 dump_format(ic, nb_input_files, "", 0);
3312
3313 nb_input_files++;
3314 }
3315 if (has_audio