*BSD bktr grab support by (Jacob Meuser: jakemsr, jakemsr com)
[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 #include "dsputil.h"
24
25 #ifndef CONFIG_WIN32
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/ioctl.h>
29 #include <sys/time.h>
30 #include <termios.h>
31 #include <sys/resource.h>
32 #include <signal.h>
33 #endif
34 #ifdef CONFIG_OS2
35 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <stdlib.h>
38 #endif
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
40 #include <time.h>
41
42 #include "cmdutils.h"
43
44 #undef NDEBUG
45 #include <assert.h>
46
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
49 #endif
50
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap {
53 int file_index;
54 int stream_index;
55 int sync_file_index;
56 int sync_stream_index;
57 } AVStreamMap;
58
59 /** select an input file for an output file */
60 typedef struct AVMetaDataMap {
61 int out_file;
62 int in_file;
63 } AVMetaDataMap;
64
65 extern const OptionDef options[];
66
67 static void show_help(void);
68 static void show_license(void);
69
70 #define MAX_FILES 20
71
72 static AVFormatContext *input_files[MAX_FILES];
73 static int64_t input_files_ts_offset[MAX_FILES];
74 static int nb_input_files = 0;
75
76 static AVFormatContext *output_files[MAX_FILES];
77 static int nb_output_files = 0;
78
79 static AVStreamMap stream_maps[MAX_FILES];
80 static int nb_stream_maps;
81
82 static AVMetaDataMap meta_data_maps[MAX_FILES];
83 static int nb_meta_data_maps;
84
85 static AVInputFormat *file_iformat;
86 static AVOutputFormat *file_oformat;
87 static AVImageFormat *image_format;
88 static int frame_width = 0;
89 static int frame_height = 0;
90 static float frame_aspect_ratio = 0;
91 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
92 static int frame_padtop = 0;
93 static int frame_padbottom = 0;
94 static int frame_padleft = 0;
95 static int frame_padright = 0;
96 static int padcolor[3] = {16,128,128}; /* default to black */
97 static int frame_topBand = 0;
98 static int frame_bottomBand = 0;
99 static int frame_leftBand = 0;
100 static int frame_rightBand = 0;
101 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
102 static int frame_rate = 25;
103 static int frame_rate_base = 1;
104 static int video_bit_rate = 200*1000;
105 static int video_bit_rate_tolerance = 4000*1000;
106 static float video_qscale = 0;
107 static int video_qmin = 2;
108 static int video_qmax = 31;
109 static int video_lmin = 2*FF_QP2LAMBDA;
110 static int video_lmax = 31*FF_QP2LAMBDA;
111 static int video_mb_lmin = 2*FF_QP2LAMBDA;
112 static int video_mb_lmax = 31*FF_QP2LAMBDA;
113 static int video_qdiff = 3;
114 static int video_lelim = 0;
115 static int video_celim = 0;
116 static float video_qblur = 0.5;
117 static float video_qsquish = 0.0;
118 static float video_qcomp = 0.5;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
125 #endif
126 static char *video_rc_override_string=NULL;
127 static char *video_rc_eq="tex^qComp";
128 static int video_rc_buffer_size=0;
129 static float video_rc_buffer_aggressivity=1.0;
130 static int video_rc_max_rate=0;
131 static int video_rc_min_rate=0;
132 static float video_rc_initial_cplx=0;
133 static float video_b_qfactor = 1.25;
134 static float video_b_qoffset = 1.25;
135 static float video_i_qfactor = -0.8;
136 static float video_i_qoffset = 0.0;
137 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
139 static int me_method = ME_EPZS;
140 static int video_disable = 0;
141 static int video_discard = 0;
142 static int video_codec_id = CODEC_ID_NONE;
143 static int video_codec_tag = 0;
144 static int same_quality = 0;
145 static int b_frames = 0;
146 static int b_strategy = 0;
147 static int mb_decision = FF_MB_DECISION_SIMPLE;
148 static int ildct_cmp = FF_CMP_VSAD;
149 static int mb_cmp = FF_CMP_SAD;
150 static int sub_cmp = FF_CMP_SAD;
151 static int cmp = FF_CMP_SAD;
152 static int pre_cmp = FF_CMP_SAD;
153 static int pre_me = 0;
154 static float lumi_mask = 0;
155 static float dark_mask = 0;
156 static float scplx_mask = 0;
157 static float tcplx_mask = 0;
158 static float p_mask = 0;
159 static int use_4mv = 0;
160 static int use_obmc = 0;
161 static int use_loop = 0;
162 static int use_aic = 0;
163 static int use_aiv = 0;
164 static int use_umv = 0;
165 static int use_ss = 0;
166 static int use_alt_scan = 0;
167 static int use_trell = 0;
168 static int use_scan_offset = 0;
169 static int use_qpel = 0;
170 static int use_qprd = 0;
171 static int use_cbprd = 0;
172 static int use_mv0 = 0;
173 static int do_normalize_aqp = 0;
174 static int qns = 0;
175 static int closed_gop = 0;
176 static int strict_gop = 0;
177 static int no_output = 0;
178 static int do_deinterlace = 0;
179 static int do_interlace_dct = 0;
180 static int do_interlace_me = 0;
181 static int workaround_bugs = FF_BUG_AUTODETECT;
182 static int error_resilience = 2;
183 static int error_concealment = 3;
184 static int dct_algo = 0;
185 static int idct_algo = 0;
186 static int use_part = 0;
187 static int packet_size = 0;
188 static int error_rate = 0;
189 static int strict = 0;
190 static int top_field_first = -1;
191 static int noise_reduction = 0;
192 static int sc_threshold = 0;
193 static int debug = 0;
194 static int debug_mv = 0;
195 static int me_threshold = 0;
196 static int mb_threshold = 0;
197 static int intra_dc_precision = 8;
198 static int coder = 0;
199 static int context = 0;
200 static int predictor = 0;
201 static int video_profile = FF_PROFILE_UNKNOWN;
202 static int video_level = FF_LEVEL_UNKNOWN;
203 static int nsse_weight = 8;
204 static int subpel_quality= 8;
205 static int me_penalty_compensation= 256;
206 static int lowres= 0;
207 static int frame_skip_threshold= 0;
208 static int frame_skip_factor= 0;
209 static int frame_skip_exp= 0;
210 static int frame_skip_cmp= FF_CMP_DCTMAX;
211 extern int loop_input; /* currently a hack */
212 static int loop_output = AVFMT_NOOUTPUTLOOP;
213 static int gray_only = 0;
214
215 static int gop_size = 12;
216 static int intra_only = 0;
217 static int audio_sample_rate = 44100;
218 static int audio_bit_rate = 64000;
219 static int audio_disable = 0;
220 static int audio_channels = 1;
221 static int audio_codec_id = CODEC_ID_NONE;
222 static int audio_codec_tag = 0;
223 static char *audio_language = NULL;
224
225 static int subtitle_codec_id = CODEC_ID_NONE;
226 static char *subtitle_language = NULL;
227
228 static int mux_rate= 0;
229 static int mux_packet_size= 0;
230 static float mux_preload= 0.5;
231 static float mux_max_delay= 0.7;
232
233 static int64_t recording_time = 0;
234 static int64_t start_time = 0;
235 static int64_t rec_timestamp = 0;
236 static int64_t input_ts_offset = 0;
237 static int file_overwrite = 0;
238 static char *str_title = NULL;
239 static char *str_author = NULL;
240 static char *str_copyright = NULL;
241 static char *str_comment = NULL;
242 static int do_benchmark = 0;
243 static int do_hex_dump = 0;
244 static int do_pkt_dump = 0;
245 static int do_psnr = 0;
246 static int do_vstats = 0;
247 static int do_pass = 0;
248 static int bitexact = 0;
249 static char *pass_logfilename = NULL;
250 static int audio_stream_copy = 0;
251 static int video_stream_copy = 0;
252 static int subtitle_stream_copy = 0;
253 static int video_sync_method= 1;
254 static int audio_sync_method= 0;
255 static int copy_ts= 0;
256 static int opt_shortest = 0; //
257
258 static int rate_emu = 0;
259
260 #ifdef CONFIG_BKTR
261 static char *video_grab_format = "bktr";
262 #else
263 static char *video_grab_format = "video4linux";
264 #endif
265 static char *video_device = NULL;
266 static char *grab_device = NULL;
267 static int video_channel = 0;
268 static char *video_standard = "ntsc";
269
270 static char *audio_grab_format = "audio_device";
271 static char *audio_device = NULL;
272 static int audio_volume = 256;
273
274 static int using_stdin = 0;
275 static int using_vhook = 0;
276 static int verbose = 1;
277 static int thread_count= 1;
278 static int q_pressed = 0;
279 static int me_range = 0;
280 static int64_t video_size = 0;
281 static int64_t audio_size = 0;
282 static int64_t extra_size = 0;
283 static int nb_frames_dup = 0;
284 static int nb_frames_drop = 0;
285 static int input_sync;
286 static int limit_filesize = 0; //
287
288 static int pgmyuv_compatibility_hack=0;
289
290
291 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
292
293 struct AVInputStream;
294
295 typedef struct AVOutputStream {
296 int file_index; /* file index */
297 int index; /* stream index in the output file */
298 int source_index; /* AVInputStream index */
299 AVStream *st; /* stream in the output file */
300 int encoding_needed; /* true if encoding needed for this stream */
301 int frame_number;
302 /* input pts and corresponding output pts
303 for A/V sync */
304 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
305 struct AVInputStream *sync_ist; /* input stream to sync against */
306 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
307 /* video only */
308 int video_resample; /* video_resample and video_crop are mutually exclusive */
309 AVFrame pict_tmp; /* temporary image for resampling */
310 ImgReSampleContext *img_resample_ctx; /* for image resampling */
311
312 int video_crop; /* video_resample and video_crop are mutually exclusive */
313 int topBand; /* cropping area sizes */
314 int leftBand;
315
316 int video_pad; /* video_resample and video_pad are mutually exclusive */
317 int padtop; /* padding area sizes */
318 int padbottom;
319 int padleft;
320 int padright;
321
322 /* audio only */
323 int audio_resample;
324 ReSampleContext *resample; /* for audio resampling */
325 FifoBuffer fifo; /* for compression: one audio fifo per codec */
326 FILE *logfile;
327 } AVOutputStream;
328
329 typedef struct AVInputStream {
330 int file_index;
331 int index;
332 AVStream *st;
333 int discard; /* true if stream data should be discarded */
334 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
335 int64_t sample_index; /* current sample */
336
337 int64_t start; /* time when read started */
338 unsigned long frame; /* current frame */
339 int64_t next_pts; /* synthetic pts for cases where pkt.pts
340 is not defined */
341 int64_t pts; /* current pts */
342 int is_start; /* is 1 at the start and after a discontinuity */
343 } AVInputStream;
344
345 typedef struct AVInputFile {
346 int eof_reached; /* true if eof reached */
347 int ist_index; /* index of first stream in ist_table */
348 int buffer_size; /* current total buffer size */
349 int buffer_size_max; /* buffer size at which we consider we can stop
350 buffering */
351 int nb_streams; /* nb streams we are aware of */
352 } AVInputFile;
353
354 #ifndef CONFIG_WIN32
355
356 /* init terminal so that we can grab keys */
357 static struct termios oldtty;
358
359 static void term_exit(void)
360 {
361 tcsetattr (0, TCSANOW, &oldtty);
362 }
363
364 static volatile sig_atomic_t received_sigterm = 0;
365
366 static void
367 sigterm_handler(int sig)
368 {
369 received_sigterm = sig;
370 term_exit();
371 }
372
373 static void term_init(void)
374 {
375 struct termios tty;
376
377 tcgetattr (0, &tty);
378 oldtty = tty;
379
380 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
381 |INLCR|IGNCR|ICRNL|IXON);
382 tty.c_oflag |= OPOST;
383 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
384 tty.c_cflag &= ~(CSIZE|PARENB);
385 tty.c_cflag |= CS8;
386 tty.c_cc[VMIN] = 1;
387 tty.c_cc[VTIME] = 0;
388
389 tcsetattr (0, TCSANOW, &tty);
390
391 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
392 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
393 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
394 /*
395 register a function to be called at normal program termination
396 */
397 atexit(term_exit);
398 #ifdef CONFIG_BEOS_NETSERVER
399 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
400 #endif
401 }
402
403 /* read a key without blocking */
404 static int read_key(void)
405 {
406 int n = 1;
407 unsigned char ch;
408 #ifndef CONFIG_BEOS_NETSERVER
409 struct timeval tv;
410 fd_set rfds;
411
412 FD_ZERO(&rfds);
413 FD_SET(0, &rfds);
414 tv.tv_sec = 0;
415 tv.tv_usec = 0;
416 n = select(1, &rfds, NULL, NULL, &tv);
417 #endif
418 if (n > 0) {
419 n = read(0, &ch, 1);
420 if (n == 1)
421 return ch;
422
423 return n;
424 }
425 return -1;
426 }
427
428 static int decode_interrupt_cb(void)
429 {
430 return q_pressed || (q_pressed = read_key() == 'q');
431 }
432
433 #else
434
435 static volatile int received_sigterm = 0;
436
437 /* no interactive support */
438 static void term_exit(void)
439 {
440 }
441
442 static void term_init(void)
443 {
444 }
445
446 static int read_key(void)
447 {
448 return 0;
449 }
450
451 #endif
452
453 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
454 {
455 int i, err;
456 AVFormatContext *ic;
457
458 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
459 if (err < 0)
460 return err;
461 /* copy stream format */
462 s->nb_streams = ic->nb_streams;
463 for(i=0;i<ic->nb_streams;i++) {
464 AVStream *st;
465
466 st = av_mallocz(sizeof(AVStream));
467 memcpy(st, ic->streams[i], sizeof(AVStream));
468 s->streams[i] = st;
469 }
470
471 av_close_input_file(ic);
472 return 0;
473 }
474
475 static double
476 get_sync_ipts(const AVOutputStream *ost)
477 {
478 const AVInputStream *ist = ost->sync_ist;
479 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
480 }
481
482 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
483
484 static void do_audio_out(AVFormatContext *s,
485 AVOutputStream *ost,
486 AVInputStream *ist,
487 unsigned char *buf, int size)
488 {
489 uint8_t *buftmp;
490 static uint8_t *audio_buf = NULL;
491 static uint8_t *audio_out = NULL;
492 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
493
494 int size_out, frame_bytes, ret;
495 AVCodecContext *enc= &ost->st->codec;
496
497 /* SC: dynamic allocation of buffers */
498 if (!audio_buf)
499 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
500 if (!audio_out)
501 audio_out = av_malloc(audio_out_size);
502 if (!audio_buf || !audio_out)
503 return; /* Should signal an error ! */
504
505 if(audio_sync_method){
506 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
507 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
508 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
509 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
510
511 //FIXME resample delay
512 if(fabs(delta) > 50){
513 if(ist->is_start){
514 if(byte_delta < 0){
515 byte_delta= FFMAX(byte_delta, -size);
516 size += byte_delta;
517 buf -= byte_delta;
518 if(verbose > 2)
519 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
520 if(!size)
521 return;
522 ist->is_start=0;
523 }else{
524 static uint8_t *input_tmp= NULL;
525 input_tmp= av_realloc(input_tmp, byte_delta + size);
526
527 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
528 ist->is_start=0;
529 else
530 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
531
532 memset(input_tmp, 0, byte_delta);
533 memcpy(input_tmp + byte_delta, buf, size);
534 buf= input_tmp;
535 size += byte_delta;
536 if(verbose > 2)
537 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
538 }
539 }else if(audio_sync_method>1){
540 int comp= clip(delta, -audio_sync_method, audio_sync_method);
541 assert(ost->audio_resample);
542 if(verbose > 2)
543 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
544 // fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
545 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
546 }
547 }
548 }else
549 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
550 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
551
552 if (ost->audio_resample) {
553 buftmp = audio_buf;
554 size_out = audio_resample(ost->resample,
555 (short *)buftmp, (short *)buf,
556 size / (ist->st->codec.channels * 2));
557 size_out = size_out * enc->channels * 2;
558 } else {
559 buftmp = buf;
560 size_out = size;
561 }
562
563 /* now encode as many frames as possible */
564 if (enc->frame_size > 1) {
565 /* output resampled raw samples */
566 fifo_write(&ost->fifo, buftmp, size_out,
567 &ost->fifo.wptr);
568
569 frame_bytes = enc->frame_size * 2 * enc->channels;
570
571 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
572 &ost->fifo.rptr) == 0) {
573 AVPacket pkt;
574 av_init_packet(&pkt);
575
576 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
577 (short *)audio_buf);
578 audio_size += ret;
579 pkt.stream_index= ost->index;
580 pkt.data= audio_out;
581 pkt.size= ret;
582 if(enc->coded_frame)
583 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
584 pkt.flags |= PKT_FLAG_KEY;
585 av_interleaved_write_frame(s, &pkt);
586
587 ost->sync_opts += enc->frame_size;
588 }
589 } else {
590 AVPacket pkt;
591 av_init_packet(&pkt);
592
593 ost->sync_opts += size_out / (2 * enc->channels);
594
595 /* output a pcm frame */
596 /* XXX: change encoding codec API to avoid this ? */
597 switch(enc->codec->id) {
598 case CODEC_ID_PCM_S16LE:
599 case CODEC_ID_PCM_S16BE:
600 case CODEC_ID_PCM_U16LE:
601 case CODEC_ID_PCM_U16BE:
602 break;
603 default:
604 size_out = size_out >> 1;
605 break;
606 }
607 ret = avcodec_encode_audio(enc, audio_out, size_out,
608 (short *)buftmp);
609 audio_size += ret;
610 pkt.stream_index= ost->index;
611 pkt.data= audio_out;
612 pkt.size= ret;
613 if(enc->coded_frame)
614 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
615 pkt.flags |= PKT_FLAG_KEY;
616 av_interleaved_write_frame(s, &pkt);
617 }
618 }
619
620 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
621 {
622 AVCodecContext *dec;
623 AVPicture *picture2;
624 AVPicture picture_tmp;
625 uint8_t *buf = 0;
626
627 dec = &ist->st->codec;
628
629 /* deinterlace : must be done before any resize */
630 if (do_deinterlace || using_vhook) {
631 int size;
632
633 /* create temporary picture */
634 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
635 buf = av_malloc(size);
636 if (!buf)
637 return;
638
639 picture2 = &picture_tmp;
640 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
641
642 if (do_deinterlace){
643 if(avpicture_deinterlace(picture2, picture,
644 dec->pix_fmt, dec->width, dec->height) < 0) {
645 /* if error, do not deinterlace */
646 av_free(buf);
647 buf = NULL;
648 picture2 = picture;
649 }
650 } else {
651 if (img_convert(picture2, dec->pix_fmt, picture,
652 dec->pix_fmt, dec->width, dec->height) < 0) {
653 /* if error, do not copy */
654 av_free(buf);
655 buf = NULL;
656 picture2 = picture;
657 }
658 }
659 } else {
660 picture2 = picture;
661 }
662
663 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
664
665 if (picture != picture2)
666 *picture = *picture2;
667 *bufp = buf;
668 }
669
670 /* we begin to correct av delay at this threshold */
671 #define AV_DELAY_MAX 0.100
672
673
674 /* Expects img to be yuv420 */
675 static void fill_pad_region(AVPicture* img, int height, int width,
676 int padtop, int padbottom, int padleft, int padright, int *color) {
677
678 int i, y, shift;
679 uint8_t *optr;
680
681 for (i = 0; i < 3; i++) {
682 shift = (i == 0) ? 0 : 1;
683
684 if (padtop || padleft) {
685 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
686 padleft) >> shift));
687 }
688
689 if (padleft || padright) {
690 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
691 (img->linesize[i] - (padright >> shift));
692
693 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
694 memset(optr, color[i], (padleft + padright) >> shift);
695 optr += img->linesize[i];
696 }
697 }
698
699 if (padbottom || padright) {
700 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
701 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
702 }
703 }
704 }
705
706 static void do_subtitle_out(AVFormatContext *s,
707 AVOutputStream *ost,
708 AVInputStream *ist,
709 AVSubtitle *sub,
710 int64_t pts)
711 {
712 static uint8_t *subtitle_out = NULL;
713 int subtitle_out_max_size = 65536;
714 int subtitle_out_size, nb, i;
715 AVCodecContext *enc;
716 AVPacket pkt;
717
718 if (pts == AV_NOPTS_VALUE) {
719 fprintf(stderr, "Subtitle packets must have a pts\n");
720 return;
721 }
722
723 enc = &ost->st->codec;
724
725 if (!subtitle_out) {
726 subtitle_out = av_malloc(subtitle_out_max_size);
727 }
728
729 /* Note: DVB subtitle need one packet to draw them and one other
730 packet to clear them */
731 /* XXX: signal it in the codec context ? */
732 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
733 nb = 2;
734 else
735 nb = 1;
736
737 for(i = 0; i < nb; i++) {
738 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
739 subtitle_out_max_size, sub);
740
741 av_init_packet(&pkt);
742 pkt.stream_index = ost->index;
743 pkt.data = subtitle_out;
744 pkt.size = subtitle_out_size;
745 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
746 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
747 /* XXX: the pts correction is handled here. Maybe handling
748 it in the codec would be better */
749 if (i == 0)
750 pkt.pts += 90 * sub->start_display_time;
751 else
752 pkt.pts += 90 * sub->end_display_time;
753 }
754 av_interleaved_write_frame(s, &pkt);
755 }
756 }
757
758 static int bit_buffer_size= 1024*256;
759 static uint8_t *bit_buffer= NULL;
760
761 static void do_video_out(AVFormatContext *s,
762 AVOutputStream *ost,
763 AVInputStream *ist,
764 AVFrame *in_picture,
765 int *frame_size)
766 {
767 int nb_frames, i, ret;
768 AVFrame *final_picture, *formatted_picture;
769 AVFrame picture_format_temp, picture_crop_temp;
770 uint8_t *buf = NULL, *buf1 = NULL;
771 AVCodecContext *enc, *dec;
772 enum PixelFormat target_pixfmt;
773
774 avcodec_get_frame_defaults(&picture_format_temp);
775 avcodec_get_frame_defaults(&picture_crop_temp);
776
777 enc = &ost->st->codec;
778 dec = &ist->st->codec;
779
780 /* by default, we output a single frame */
781 nb_frames = 1;
782
783 *frame_size = 0;
784
785 if(video_sync_method){
786 double vdelta;
787 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
788 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
789 if (vdelta < -1.1)
790 nb_frames = 0;
791 else if (vdelta > 1.1)
792 nb_frames = lrintf(vdelta);
793 //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);
794 if (nb_frames == 0){
795 ++nb_frames_drop;
796 if (verbose>2)
797 fprintf(stderr, "*** drop!\n");
798 }else if (nb_frames > 1) {
799 nb_frames_dup += nb_frames;
800 if (verbose>2)
801 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
802 }
803 }else
804 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
805
806 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
807 if (nb_frames <= 0)
808 return;
809
810 /* convert pixel format if needed */
811 target_pixfmt = ost->video_resample || ost->video_pad
812 ? PIX_FMT_YUV420P : enc->pix_fmt;
813 if (dec->pix_fmt != target_pixfmt) {
814 int size;
815
816 /* create temporary picture */
817 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
818 buf = av_malloc(size);
819 if (!buf)
820 return;
821 formatted_picture = &picture_format_temp;
822 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
823
824 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
825 (AVPicture *)in_picture, dec->pix_fmt,
826 dec->width, dec->height) < 0) {
827
828 if (verbose >= 0)
829 fprintf(stderr, "pixel format conversion not handled\n");
830
831 goto the_end;
832 }
833 } else {
834 formatted_picture = in_picture;
835 }
836
837 /* XXX: resampling could be done before raw format conversion in
838 some cases to go faster */
839 /* XXX: only works for YUV420P */
840 if (ost->video_resample) {
841 final_picture = &ost->pict_tmp;
842 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
843
844 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
845 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
846 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
847 padcolor);
848 }
849
850 if (enc->pix_fmt != PIX_FMT_YUV420P) {
851 int size;
852
853 av_free(buf);
854 /* create temporary picture */
855 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
856 buf = av_malloc(size);
857 if (!buf)
858 return;
859 final_picture = &picture_format_temp;
860 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
861
862 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
863 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
864 enc->width, enc->height) < 0) {
865
866 if (verbose >= 0)
867 fprintf(stderr, "pixel format conversion not handled\n");
868
869 goto the_end;
870 }
871 }
872 } else if (ost->video_crop) {
873 picture_crop_temp.data[0] = formatted_picture->data[0] +
874 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
875
876 picture_crop_temp.data[1] = formatted_picture->data[1] +
877 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
878 (ost->leftBand >> 1);
879
880 picture_crop_temp.data[2] = formatted_picture->data[2] +
881 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
882 (ost->leftBand >> 1);
883
884 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
885 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
886 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
887 final_picture = &picture_crop_temp;
888 } else if (ost->video_pad) {
889 final_picture = &ost->pict_tmp;
890
891 for (i = 0; i < 3; i++) {
892 uint8_t *optr, *iptr;
893 int shift = (i == 0) ? 0 : 1;
894 int y, yheight;
895
896 /* set offset to start writing image into */
897 optr = final_picture->data[i] + (((final_picture->linesize[i] *
898 ost->padtop) + ost->padleft) >> shift);
899 iptr = formatted_picture->data[i];
900
901 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
902 for (y = 0; y < yheight; y++) {
903 /* copy unpadded image row into padded image row */
904 memcpy(optr, iptr, formatted_picture->linesize[i]);
905 optr += final_picture->linesize[i];
906 iptr += formatted_picture->linesize[i];
907 }
908 }
909
910 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
911 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
912 padcolor);
913
914 if (enc->pix_fmt != PIX_FMT_YUV420P) {
915 int size;
916
917 av_free(buf);
918 /* create temporary picture */
919 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
920 buf = av_malloc(size);
921 if (!buf)
922 return;
923 final_picture = &picture_format_temp;
924 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
925
926 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
927 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
928 enc->width, enc->height) < 0) {
929
930 if (verbose >= 0)
931 fprintf(stderr, "pixel format conversion not handled\n");
932
933 goto the_end;
934 }
935 }
936 } else {
937 final_picture = formatted_picture;
938 }
939 /* duplicates frame if needed */
940 for(i=0;i<nb_frames;i++) {
941 AVPacket pkt;
942 av_init_packet(&pkt);
943 pkt.stream_index= ost->index;
944
945 if (s->oformat->flags & AVFMT_RAWPICTURE) {
946 /* raw pictures are written as AVPicture structure to
947 avoid any copies. We support temorarily the older
948 method. */
949 AVFrame* old_frame = enc->coded_frame;
950 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
951 pkt.data= (uint8_t *)final_picture;
952 pkt.size= sizeof(AVPicture);
953 if(dec->coded_frame)
954 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
955 if(dec->coded_frame && dec->coded_frame->key_frame)
956 pkt.flags |= PKT_FLAG_KEY;
957
958 av_interleaved_write_frame(s, &pkt);
959 enc->coded_frame = old_frame;
960 } else {
961 AVFrame big_picture;
962
963 big_picture= *final_picture;
964 /* better than nothing: use input picture interlaced
965 settings */
966 big_picture.interlaced_frame = in_picture->interlaced_frame;
967 if(do_interlace_me || do_interlace_dct){
968 if(top_field_first == -1)
969 big_picture.top_field_first = in_picture->top_field_first;
970 else
971 big_picture.top_field_first = top_field_first;
972 }
973
974 /* handles sameq here. This is not correct because it may
975 not be a global option */
976 if (same_quality) {
977 big_picture.quality = ist->st->quality;
978 }else
979 big_picture.quality = ost->st->quality;
980 if(!me_threshold)
981 big_picture.pict_type = 0;
982 // big_picture.pts = AV_NOPTS_VALUE;
983 big_picture.pts= ost->sync_opts;
984 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
985 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
986 ret = avcodec_encode_video(enc,
987 bit_buffer, bit_buffer_size,
988 &big_picture);
989 //enc->frame_number = enc->real_pict_num;
990 if(ret>0){
991 pkt.data= bit_buffer;
992 pkt.size= ret;
993 if(enc->coded_frame)
994 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
995 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
996 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
997 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
998
999 if(enc->coded_frame && enc->coded_frame->key_frame)
1000 pkt.flags |= PKT_FLAG_KEY;
1001 av_interleaved_write_frame(s, &pkt);
1002 *frame_size = ret;
1003 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1004 // enc->frame_number-1, enc->real_pict_num, ret,
1005 // enc->pict_type);
1006 /* if two pass, output log */
1007 if (ost->logfile && enc->stats_out) {
1008 fprintf(ost->logfile, "%s", enc->stats_out);
1009 }
1010 }
1011 }
1012 ost->sync_opts++;
1013 ost->frame_number++;
1014 }
1015 the_end:
1016 av_free(buf);
1017 av_free(buf1);
1018 }
1019
1020 static double psnr(double d){
1021 if(d==0) return INFINITY;
1022 return -10.0*log(d)/log(10.0);
1023 }
1024
1025 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1026 int frame_size)
1027 {
1028 static FILE *fvstats=NULL;
1029 char filename[40];
1030 time_t today2;
1031 struct tm *today;
1032 AVCodecContext *enc;
1033 int frame_number;
1034 int64_t ti;
1035 double ti1, bitrate, avg_bitrate;
1036
1037 if (!fvstats) {
1038 today2 = time(NULL);
1039 today = localtime(&today2);
1040 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1041 today->tm_min,
1042 today->tm_sec);
1043 fvstats = fopen(filename,"w");
1044 if (!fvstats) {
1045 perror("fopen");
1046 exit(1);
1047 }
1048 }
1049
1050 ti = MAXINT64;
1051 enc = &ost->st->codec;
1052 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1053 frame_number = ost->frame_number;
1054 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1055 if (enc->flags&CODEC_FLAG_PSNR)
1056 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1057
1058 fprintf(fvstats,"f_size= %6d ", frame_size);
1059 /* compute pts value */
1060 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1061 if (ti1 < 0.01)
1062 ti1 = 0.01;
1063
1064 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1065 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1066 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1067 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1068 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1069 }
1070 }
1071
1072 static void print_report(AVFormatContext **output_files,
1073 AVOutputStream **ost_table, int nb_ostreams,
1074 int is_last_report)
1075 {
1076 char buf[1024];
1077 AVOutputStream *ost;
1078 AVFormatContext *oc, *os;
1079 int64_t total_size;
1080 AVCodecContext *enc;
1081 int frame_number, vid, i;
1082 double bitrate, ti1, pts;
1083 static int64_t last_time = -1;
1084
1085 if (!is_last_report) {
1086 int64_t cur_time;
1087 /* display the report every 0.5 seconds */
1088 cur_time = av_gettime();
1089 if (last_time == -1) {
1090 last_time = cur_time;
1091 return;
1092 }
1093 if ((cur_time - last_time) < 500000)
1094 return;
1095 last_time = cur_time;
1096 }
1097
1098
1099 oc = output_files[0];
1100
1101 total_size = url_ftell(&oc->pb);
1102
1103 buf[0] = '\0';
1104 ti1 = 1e10;
1105 vid = 0;
1106 for(i=0;i<nb_ostreams;i++) {
1107 ost = ost_table[i];
1108 os = output_files[ost->file_index];
1109 enc = &ost->st->codec;
1110 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1111 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1112 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1113 }
1114 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1115 frame_number = ost->frame_number;
1116 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1117 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1118 if(is_last_report)
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1120 if (enc->flags&CODEC_FLAG_PSNR){
1121 int j;
1122 double error, error_sum=0;
1123 double scale, scale_sum=0;
1124 char type[3]= {'Y','U','V'};
1125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1126 for(j=0; j<3; j++){
1127 if(is_last_report){
1128 error= enc->error[j];
1129 scale= enc->width*enc->height*255.0*255.0*frame_number;
1130 }else{
1131 error= enc->coded_frame->error[j];
1132 scale= enc->width*enc->height*255.0*255.0;
1133 }
1134 if(j) scale/=4;
1135 error_sum += error;
1136 scale_sum += scale;
1137 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1138 }
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1140 }
1141 vid = 1;
1142 }
1143 /* compute min output value */
1144 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1145 if ((pts < ti1) && (pts > 0))
1146 ti1 = pts;
1147 }
1148 if (ti1 < 0.01)
1149 ti1 = 0.01;
1150
1151 if (verbose || is_last_report) {
1152 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1153
1154 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1155 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1156 (double)total_size / 1024, ti1, bitrate);
1157
1158 if (verbose > 1)
1159 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1160 nb_frames_dup, nb_frames_drop);
1161
1162 if (verbose >= 0)
1163 fprintf(stderr, "%s \r", buf);
1164
1165 fflush(stderr);
1166 }
1167
1168 if (is_last_report && verbose >= 0){
1169 int64_t raw= audio_size + video_size + extra_size;
1170 fprintf(stderr, "\n");
1171 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1172 video_size/1024.0,
1173 audio_size/1024.0,
1174 extra_size/1024.0,
1175 100.0*(total_size - raw)/raw
1176 );
1177 }
1178 }
1179
1180 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1181 static int output_packet(AVInputStream *ist, int ist_index,
1182 AVOutputStream **ost_table, int nb_ostreams,
1183 const AVPacket *pkt)
1184 {
1185 AVFormatContext *os;
1186 AVOutputStream *ost;
1187 uint8_t *ptr;
1188 int len, ret, i;
1189 uint8_t *data_buf;
1190 int data_size, got_picture;
1191 AVFrame picture;
1192 void *buffer_to_free;
1193 static int samples_size= 0;
1194 static short *samples= NULL;
1195 AVSubtitle subtitle, *subtitle_to_free;
1196 int got_subtitle;
1197
1198 if(!pkt){
1199 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1200 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1201 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1202 } else {
1203 // assert(ist->pts == ist->next_pts);
1204 }
1205
1206 if (pkt == NULL) {
1207 /* EOF handling */
1208 ptr = NULL;
1209 len = 0;
1210 goto handle_eof;
1211 }
1212
1213 len = pkt->size;
1214 ptr = pkt->data;
1215 while (len > 0) {
1216 handle_eof:
1217 /* decode the packet if needed */
1218 data_buf = NULL; /* fail safe */
1219 data_size = 0;
1220 subtitle_to_free = NULL;
1221 if (ist->decoding_needed) {
1222 switch(ist->st->codec.codec_type) {
1223 case CODEC_TYPE_AUDIO:{
1224 if(pkt)
1225 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1226 /* XXX: could avoid copy if PCM 16 bits with same
1227 endianness as CPU */
1228 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1229 ptr, len);
1230 if (ret < 0)
1231 goto fail_decode;
1232 ptr += ret;
1233 len -= ret;
1234 /* Some bug in mpeg audio decoder gives */
1235 /* data_size < 0, it seems they are overflows */
1236 if (data_size <= 0) {
1237 /* no audio frame */
1238 continue;
1239 }
1240 data_buf = (uint8_t *)samples;
1241 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1242 (ist->st->codec.sample_rate * ist->st->codec.channels);
1243 break;}
1244 case CODEC_TYPE_VIDEO:
1245 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1246 /* XXX: allocate picture correctly */
1247 avcodec_get_frame_defaults(&picture);
1248
1249 ret = avcodec_decode_video(&ist->st->codec,
1250 &picture, &got_picture, ptr, len);
1251 ist->st->quality= picture.quality;
1252 if (ret < 0)
1253 goto fail_decode;
1254 if (!got_picture) {
1255 /* no picture yet */
1256 goto discard_packet;
1257 }
1258 if (ist->st->codec.time_base.num != 0) {
1259 ist->next_pts += ((int64_t)AV_TIME_BASE *
1260 ist->st->codec.time_base.num) /
1261 ist->st->codec.time_base.den;
1262 }
1263 len = 0;
1264 break;
1265 case CODEC_TYPE_SUBTITLE:
1266 ret = avcodec_decode_subtitle(&ist->st->codec,
1267 &subtitle, &got_subtitle, ptr, len);
1268 if (ret < 0)
1269 goto fail_decode;
1270 if (!got_subtitle) {
1271 goto discard_packet;
1272 }
1273 subtitle_to_free = &subtitle;
1274 len = 0;
1275 break;
1276 default:
1277 goto fail_decode;
1278 }
1279 } else {
1280 switch(ist->st->codec.codec_type) {
1281 case CODEC_TYPE_AUDIO:
1282 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec.frame_size) /
1283 (ist->st->codec.sample_rate * ist->st->codec.channels);
1284 break;
1285 case CODEC_TYPE_VIDEO:
1286 if (ist->st->codec.time_base.num != 0) {
1287 ist->next_pts += ((int64_t)AV_TIME_BASE *
1288 ist->st->codec.time_base.num) /
1289 ist->st->codec.time_base.den;
1290 }
1291 break;
1292 }
1293 data_buf = ptr;
1294 data_size = len;
1295 ret = len;
1296 len = 0;
1297 }
1298
1299 buffer_to_free = NULL;
1300 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1301 pre_process_video_frame(ist, (AVPicture *)&picture,
1302 &buffer_to_free);
1303 }
1304
1305 // preprocess audio (volume)
1306 if (ist->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1307 if (audio_volume != 256) {
1308 short *volp;
1309 volp = samples;
1310 for(i=0;i<(data_size / sizeof(short));i++) {
1311 int v = ((*volp) * audio_volume + 128) >> 8;
1312 if (v < -32768) v = -32768;
1313 if (v > 32767) v = 32767;
1314 *volp++ = v;
1315 }
1316 }
1317 }
1318
1319 /* frame rate emulation */
1320 if (ist->st->codec.rate_emu) {
1321 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.time_base.num, 1000000, ist->st->codec.time_base.den);
1322 int64_t now = av_gettime() - ist->start;
1323 if (pts > now)
1324 usleep(pts - now);
1325
1326 ist->frame++;
1327 }
1328
1329 #if 0
1330 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1331 is the one of the next displayed one */
1332 /* XXX: add mpeg4 too ? */
1333 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1334 if (ist->st->codec.pict_type != B_TYPE) {
1335 int64_t tmp;
1336 tmp = ist->last_ip_pts;
1337 ist->last_ip_pts = ist->frac_pts.val;
1338 ist->frac_pts.val = tmp;
1339 }
1340 }
1341 #endif
1342 /* if output time reached then transcode raw format,
1343 encode packets and output them */
1344 if (start_time == 0 || ist->pts >= start_time)
1345 for(i=0;i<nb_ostreams;i++) {
1346 int frame_size;
1347
1348 ost = ost_table[i];
1349 if (ost->source_index == ist_index) {
1350 os = output_files[ost->file_index];
1351
1352 #if 0
1353 printf("%d: got pts=%0.3f %0.3f\n", i,
1354 (double)pkt->pts / AV_TIME_BASE,
1355 ((double)ist->pts / AV_TIME_BASE) -
1356 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1357 #endif
1358 /* set the input output pts pairs */
1359 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1360
1361 if (ost->encoding_needed) {
1362 switch(ost->st->codec.codec_type) {
1363 case CODEC_TYPE_AUDIO:
1364 do_audio_out(os, ost, ist, data_buf, data_size);
1365 break;
1366 case CODEC_TYPE_VIDEO:
1367 do_video_out(os, ost, ist, &picture, &frame_size);
1368 video_size += frame_size;
1369 if (do_vstats && frame_size)
1370 do_video_stats(os, ost, frame_size);
1371 break;
1372 case CODEC_TYPE_SUBTITLE:
1373 do_subtitle_out(os, ost, ist, &subtitle,
1374 pkt->pts);
1375 break;
1376 default:
1377 av_abort();
1378 }
1379 } else {
1380 AVFrame avframe; //FIXME/XXX remove this
1381 AVPacket opkt;
1382 av_init_packet(&opkt);
1383
1384 /* no reencoding needed : output the packet directly */
1385 /* force the input stream PTS */
1386
1387 avcodec_get_frame_defaults(&avframe);
1388 ost->st->codec.coded_frame= &avframe;
1389 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1390
1391 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1392 audio_size += data_size;
1393 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1394 video_size += data_size;
1395 ost->sync_opts++;
1396 }
1397
1398 opkt.stream_index= ost->index;
1399 opkt.data= data_buf;
1400 opkt.size= data_size;
1401 if(pkt->pts != AV_NOPTS_VALUE)
1402 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1403 else
1404 opkt.pts= AV_NOPTS_VALUE;
1405
1406 {
1407 int64_t dts;
1408 if (pkt->dts == AV_NOPTS_VALUE)
1409 dts = ist->next_pts;
1410 else
1411 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1412 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1413 }
1414 opkt.flags= pkt->flags;
1415 av_interleaved_write_frame(os, &opkt);
1416 ost->st->codec.frame_number++;
1417 ost->frame_number++;
1418 }
1419 }
1420 }
1421 av_free(buffer_to_free);
1422 /* XXX: allocate the subtitles in the codec ? */
1423 if (subtitle_to_free) {
1424 av_free(subtitle_to_free->bitmap);
1425 av_free(subtitle_to_free->rgba_palette);
1426 subtitle_to_free = NULL;
1427 }
1428 }
1429 discard_packet:
1430 if (pkt == NULL) {
1431 /* EOF handling */
1432
1433 for(i=0;i<nb_ostreams;i++) {
1434 ost = ost_table[i];
1435 if (ost->source_index == ist_index) {
1436 AVCodecContext *enc= &ost->st->codec;
1437 os = output_files[ost->file_index];
1438
1439 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1440 continue;
1441 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1442 continue;
1443
1444 if (ost->encoding_needed) {
1445 for(;;) {
1446 AVPacket pkt;
1447 av_init_packet(&pkt);
1448 pkt.stream_index= ost->index;
1449
1450 switch(ost->st->codec.codec_type) {
1451 case CODEC_TYPE_AUDIO:
1452 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1453 audio_size += ret;
1454 pkt.flags |= PKT_FLAG_KEY;
1455 break;
1456 case CODEC_TYPE_VIDEO:
1457 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1458 video_size += ret;
1459 if(enc->coded_frame && enc->coded_frame->key_frame)
1460 pkt.flags |= PKT_FLAG_KEY;
1461 if (ost->logfile && enc->stats_out) {
1462 fprintf(ost->logfile, "%s", enc->stats_out);
1463 }
1464 break;
1465 default:
1466 ret=-1;
1467 }
1468
1469 if(ret<=0)
1470 break;
1471 pkt.data= bit_buffer;
1472 pkt.size= ret;
1473 if(enc->coded_frame)
1474 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1475 av_interleaved_write_frame(os, &pkt);
1476 }
1477 }
1478 }
1479 }
1480 }
1481
1482 return 0;
1483 fail_decode:
1484 return -1;
1485 }
1486
1487
1488 /*
1489 * The following code is the main loop of the file converter
1490 */
1491 static int av_encode(AVFormatContext **output_files,
1492 int nb_output_files,
1493 AVFormatContext **input_files,
1494 int nb_input_files,
1495 AVStreamMap *stream_maps, int nb_stream_maps)
1496 {
1497 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1498 AVFormatContext *is, *os;
1499 AVCodecContext *codec, *icodec;
1500 AVOutputStream *ost, **ost_table = NULL;
1501 AVInputStream *ist, **ist_table = NULL;
1502 AVInputFile *file_table;
1503 AVFormatContext *stream_no_data;
1504 int key;
1505
1506 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1507 if (!file_table)
1508 goto fail;
1509
1510 /* input stream init */
1511 j = 0;
1512 for(i=0;i<nb_input_files;i++) {
1513 is = input_files[i];
1514 file_table[i].ist_index = j;
1515 file_table[i].nb_streams = is->nb_streams;
1516 j += is->nb_streams;
1517 }
1518 nb_istreams = j;
1519
1520 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1521 if (!ist_table)
1522 goto fail;
1523
1524 for(i=0;i<nb_istreams;i++) {
1525 ist = av_mallocz(sizeof(AVInputStream));
1526 if (!ist)
1527 goto fail;
1528 ist_table[i] = ist;
1529 }
1530 j = 0;
1531 for(i=0;i<nb_input_files;i++) {
1532 is = input_files[i];
1533 for(k=0;k<is->nb_streams;k++) {
1534 ist = ist_table[j++];
1535 ist->st = is->streams[k];
1536 ist->file_index = i;
1537 ist->index = k;
1538 ist->discard = 1; /* the stream is discarded by default
1539 (changed later) */
1540
1541 if (ist->st->codec.rate_emu) {
1542 ist->start = av_gettime();
1543 ist->frame = 0;
1544 }
1545 }
1546 }
1547
1548 /* output stream init */
1549 nb_ostreams = 0;
1550 for(i=0;i<nb_output_files;i++) {
1551 os = output_files[i];
1552 nb_ostreams += os->nb_streams;
1553 }
1554 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1555 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1556 exit(1);
1557 }
1558
1559 /* Sanity check the mapping args -- do the input files & streams exist? */
1560 for(i=0;i<nb_stream_maps;i++) {
1561 int fi = stream_maps[i].file_index;
1562 int si = stream_maps[i].stream_index;
1563
1564 if (fi < 0 || fi > nb_input_files - 1 ||
1565 si < 0 || si > file_table[fi].nb_streams - 1) {
1566 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1567 exit(1);
1568 }
1569 fi = stream_maps[i].sync_file_index;
1570 si = stream_maps[i].sync_stream_index;
1571 if (fi < 0 || fi > nb_input_files - 1 ||
1572 si < 0 || si > file_table[fi].nb_streams - 1) {
1573 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1574 exit(1);
1575 }
1576 }
1577
1578 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1579 if (!ost_table)
1580 goto fail;
1581 for(i=0;i<nb_ostreams;i++) {
1582 ost = av_mallocz(sizeof(AVOutputStream));
1583 if (!ost)
1584 goto fail;
1585 ost_table[i] = ost;
1586 }
1587
1588 n = 0;
1589 for(k=0;k<nb_output_files;k++) {
1590 os = output_files[k];
1591 for(i=0;i<os->nb_streams;i++) {
1592 int found;
1593 ost = ost_table[n++];
1594 ost->file_index = k;
1595 ost->index = i;
1596 ost->st = os->streams[i];
1597 if (nb_stream_maps > 0) {
1598 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1599 stream_maps[n-1].stream_index;
1600
1601 /* Sanity check that the stream types match */
1602 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1603 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1604 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1605 ost->file_index, ost->index);
1606 exit(1);
1607 }
1608
1609 } else {
1610 /* get corresponding input stream index : we select the first one with the right type */
1611 found = 0;
1612 for(j=0;j<nb_istreams;j++) {
1613 ist = ist_table[j];
1614 if (ist->discard &&
1615 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1616 ost->source_index = j;
1617 found = 1;
1618 break;
1619 }
1620 }
1621
1622 if (!found) {
1623 /* try again and reuse existing stream */
1624 for(j=0;j<nb_istreams;j++) {
1625 ist = ist_table[j];
1626 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1627 ost->source_index = j;
1628 found = 1;
1629 }
1630 }
1631 if (!found) {
1632 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1633 ost->file_index, ost->index);
1634 exit(1);
1635 }
1636 }
1637 }
1638 ist = ist_table[ost->source_index];
1639 ist->discard = 0;
1640 ost->sync_ist = (nb_stream_maps > 0) ?
1641 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1642 stream_maps[n-1].sync_stream_index] : ist;
1643 }
1644 }
1645
1646 /* for each output stream, we compute the right encoding parameters */
1647 for(i=0;i<nb_ostreams;i++) {
1648 ost = ost_table[i];
1649 ist = ist_table[ost->source_index];
1650
1651 codec = &ost->st->codec;
1652 icodec = &ist->st->codec;
1653
1654 if (ost->st->stream_copy) {
1655 /* if stream_copy is selected, no need to decode or encode */
1656 codec->codec_id = icodec->codec_id;
1657 codec->codec_type = icodec->codec_type;
1658 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1659 codec->bit_rate = icodec->bit_rate;
1660 codec->extradata= icodec->extradata;
1661 codec->extradata_size= icodec->extradata_size;
1662 switch(codec->codec_type) {
1663 case CODEC_TYPE_AUDIO:
1664 codec->sample_rate = icodec->sample_rate;
1665 codec->channels = icodec->channels;
1666 codec->frame_size = icodec->frame_size;
1667 codec->block_align= icodec->block_align;
1668 break;
1669 case CODEC_TYPE_VIDEO:
1670 codec->time_base = icodec->time_base;
1671 codec->width = icodec->width;
1672 codec->height = icodec->height;
1673 codec->has_b_frames = icodec->has_b_frames;
1674 break;
1675 case CODEC_TYPE_SUBTITLE:
1676 break;
1677 default:
1678 av_abort();
1679 }
1680 } else {
1681 switch(codec->codec_type) {
1682 case CODEC_TYPE_AUDIO:
1683 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1684 goto fail;
1685
1686 if (codec->channels == icodec->channels &&
1687 codec->sample_rate == icodec->sample_rate) {
1688 ost->audio_resample = 0;
1689 } else {
1690 if (codec->channels != icodec->channels &&
1691 (icodec->codec_id == CODEC_ID_AC3 ||
1692 icodec->codec_id == CODEC_ID_DTS)) {
1693 /* Special case for 5:1 AC3 and DTS input */
1694 /* and mono or stereo output */
1695 /* Request specific number of channels */
1696 icodec->channels = codec->channels;
1697 if (codec->sample_rate == icodec->sample_rate)
1698 ost->audio_resample = 0;
1699 else {
1700 ost->audio_resample = 1;
1701 }
1702 } else {
1703 ost->audio_resample = 1;
1704 }
1705 }
1706 if(audio_sync_method>1)
1707 ost->audio_resample = 1;
1708
1709 if(ost->audio_resample){
1710 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1711 codec->sample_rate, icodec->sample_rate);
1712 if(!ost->resample){
1713 printf("Can't resample. Aborting.\n");
1714 av_abort();
1715 }
1716 }
1717 ist->decoding_needed = 1;
1718 ost->encoding_needed = 1;
1719 break;
1720 case CODEC_TYPE_VIDEO:
1721 if (codec->width == icodec->width &&
1722 codec->height == icodec->height &&
1723 frame_topBand == 0 &&
1724 frame_bottomBand == 0 &&
1725 frame_leftBand == 0 &&
1726 frame_rightBand == 0 &&
1727 frame_padtop == 0 &&
1728 frame_padbottom == 0 &&
1729 frame_padleft == 0 &&
1730 frame_padright == 0)
1731 {
1732 ost->video_resample = 0;
1733 ost->video_crop = 0;
1734 ost->video_pad = 0;
1735 } else if ((codec->width == icodec->width -
1736 (frame_leftBand + frame_rightBand)) &&
1737 (codec->height == icodec->height -
1738 (frame_topBand + frame_bottomBand)))
1739 {
1740 ost->video_resample = 0;
1741 ost->video_crop = 1;
1742 ost->topBand = frame_topBand;
1743 ost->leftBand = frame_leftBand;
1744 } else if ((codec->width == icodec->width +
1745 (frame_padleft + frame_padright)) &&
1746 (codec->height == icodec->height +
1747 (frame_padtop + frame_padbottom))) {
1748 ost->video_resample = 0;
1749 ost->video_crop = 0;
1750 ost->video_pad = 1;
1751 ost->padtop = frame_padtop;
1752 ost->padleft = frame_padleft;
1753 ost->padbottom = frame_padbottom;
1754 ost->padright = frame_padright;
1755 avcodec_get_frame_defaults(&ost->pict_tmp);
1756 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1757 codec->width, codec->height ) )
1758 goto fail;
1759 } else {
1760 ost->video_resample = 1;
1761 ost->video_crop = 0; // cropping is handled as part of resample
1762 avcodec_get_frame_defaults(&ost->pict_tmp);
1763 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1764 codec->width, codec->height ) )
1765 goto fail;
1766
1767 ost->img_resample_ctx = img_resample_full_init(
1768 ost->st->codec.width, ost->st->codec.height,
1769 ist->st->codec.width, ist->st->codec.height,
1770 frame_topBand, frame_bottomBand,
1771 frame_leftBand, frame_rightBand,
1772 frame_padtop, frame_padbottom,
1773 frame_padleft, frame_padright);
1774
1775 ost->padtop = frame_padtop;
1776 ost->padleft = frame_padleft;
1777 ost->padbottom = frame_padbottom;
1778 ost->padright = frame_padright;
1779
1780 }
1781 ost->encoding_needed = 1;
1782 ist->decoding_needed = 1;
1783 break;
1784 case CODEC_TYPE_SUBTITLE:
1785 ost->encoding_needed = 1;
1786 ist->decoding_needed = 1;
1787 break;
1788 default:
1789 av_abort();
1790 break;
1791 }
1792 /* two pass mode */
1793 if (ost->encoding_needed &&
1794 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1795 char logfilename[1024];
1796 FILE *f;
1797 int size;
1798 char *logbuffer;
1799
1800 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1801 pass_logfilename ?
1802 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1803 if (codec->flags & CODEC_FLAG_PASS1) {
1804 f = fopen(logfilename, "w");
1805 if (!f) {
1806 perror(logfilename);
1807 exit(1);
1808 }
1809 ost->logfile = f;
1810 } else {
1811 /* read the log file */
1812 f = fopen(logfilename, "r");
1813 if (!f) {
1814 perror(logfilename);
1815 exit(1);
1816 }
1817 fseek(f, 0, SEEK_END);
1818 size = ftell(f);
1819 fseek(f, 0, SEEK_SET);
1820 logbuffer = av_malloc(size + 1);
1821 if (!logbuffer) {
1822 fprintf(stderr, "Could not allocate log buffer\n");
1823 exit(1);
1824 }
1825 size = fread(logbuffer, 1, size, f);
1826 fclose(f);
1827 logbuffer[size] = '\0';
1828 codec->stats_in = logbuffer;
1829 }
1830 }
1831 }
1832 if(codec->codec_type == CODEC_TYPE_VIDEO){
1833 int size= codec->width * codec->height;
1834 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1835 }
1836 }
1837
1838 if (!bit_buffer)
1839 bit_buffer = av_malloc(bit_buffer_size);
1840 if (!bit_buffer)
1841 goto fail;
1842
1843 /* dump the file output parameters - cannot be done before in case
1844 of stream copy */
1845 for(i=0;i<nb_output_files;i++) {
1846 dump_format(output_files[i], i, output_files[i]->filename, 1);
1847 }
1848
1849 /* dump the stream mapping */
1850 if (verbose >= 0) {
1851 fprintf(stderr, "Stream mapping:\n");
1852 for(i=0;i<nb_ostreams;i++) {
1853 ost = ost_table[i];
1854 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1855 ist_table[ost->source_index]->file_index,
1856 ist_table[ost->source_index]->index,
1857 ost->file_index,
1858 ost->index);
1859 if (ost->sync_ist != ist_table[ost->source_index])
1860 fprintf(stderr, " [sync #%d.%d]",
1861 ost->sync_ist->file_index,
1862 ost->sync_ist->index);
1863 fprintf(stderr, "\n");
1864 }
1865 }
1866
1867 /* open each encoder */
1868 for(i=0;i<nb_ostreams;i++) {
1869 ost = ost_table[i];
1870 if (ost->encoding_needed) {
1871 AVCodec *codec;
1872 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1873 if (!codec) {
1874 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1875 ost->file_index, ost->index);
1876 exit(1);
1877 }
1878 if (avcodec_open(&ost->st->codec, codec) < 0) {
1879 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1880 ost->file_index, ost->index);
1881 exit(1);
1882 }
1883 extra_size += ost->st->codec.extradata_size;
1884 }
1885 }
1886
1887 /* open each decoder */
1888 for(i=0;i<nb_istreams;i++) {
1889 ist = ist_table[i];
1890 if (ist->decoding_needed) {
1891 AVCodec *codec;
1892 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1893 if (!codec) {
1894 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1895 ist->st->codec.codec_id, ist->file_index, ist->index);
1896 exit(1);
1897 }
1898 if (avcodec_open(&ist->st->codec, codec) < 0) {
1899 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1900 ist->file_index, ist->index);
1901 exit(1);
1902 }
1903 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1904 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1905 }
1906 }
1907
1908 /* init pts */
1909 for(i=0;i<nb_istreams;i++) {
1910 ist = ist_table[i];
1911 is = input_files[ist->file_index];
1912 ist->pts = 0;
1913 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1914 if(ist->st->start_time == AV_NOPTS_VALUE)
1915 ist->next_pts=0;
1916 if(input_files_ts_offset[ist->file_index])
1917 ist->next_pts= AV_NOPTS_VALUE;
1918 ist->is_start = 1;
1919 }
1920
1921 /* compute buffer size max (should use a complete heuristic) */
1922 for(i=0;i<nb_input_files;i++) {
1923 file_table[i].buffer_size_max = 2048;
1924 }
1925
1926 /* set meta data information from input file if required */
1927 for (i=0;i<nb_meta_data_maps;i++) {
1928 AVFormatContext *out_file;
1929 AVFormatContext *in_file;
1930
1931 int out_file_index = meta_data_maps[i].out_file;
1932 int in_file_index = meta_data_maps[i].in_file;
1933 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1934 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1935 ret = -EINVAL;
1936 goto fail;
1937 }
1938 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1939 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1940 ret = -EINVAL;
1941 goto fail;
1942 }
1943
1944 out_file = output_files[out_file_index];
1945 in_file = input_files[in_file_index];
1946
1947 strcpy(out_file->title, in_file->title);
1948 strcpy(out_file->author, in_file->author);
1949 strcpy(out_file->copyright, in_file->copyright);
1950 strcpy(out_file->comment, in_file->comment);
1951 strcpy(out_file->album, in_file->album);
1952 out_file->year = in_file->year;
1953 out_file->track = in_file->track;
1954 strcpy(out_file->genre, in_file->genre);
1955 }
1956
1957 /* open files and write file headers */
1958 for(i=0;i<nb_output_files;i++) {
1959 os = output_files[i];
1960 if (av_write_header(os) < 0) {
1961 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1962 ret = -EINVAL;
1963 goto fail;
1964 }
1965 }
1966
1967 #ifndef CONFIG_WIN32
1968 if ( !using_stdin && verbose >= 0) {
1969 fprintf(stderr, "Press [q] to stop encoding\n");
1970 url_set_interrupt_cb(decode_interrupt_cb);
1971 }
1972 #endif
1973 term_init();
1974
1975 stream_no_data = 0;
1976 key = -1;
1977
1978 for(; received_sigterm == 0;) {
1979 int file_index, ist_index;
1980 AVPacket pkt;
1981 double ipts_min;
1982 double opts_min;
1983
1984 redo:
1985 ipts_min= 1e100;
1986 opts_min= 1e100;
1987 /* if 'q' pressed, exits */
1988 if (!using_stdin) {
1989 if (q_pressed)
1990 break;
1991 /* read_key() returns 0 on EOF */
1992 key = read_key();
1993 if (key == 'q')
1994 break;
1995 }
1996
1997 /* select the stream that we must read now by looking at the
1998 smallest output pts */
1999 file_index = -1;
2000 for(i=0;i<nb_ostreams;i++) {
2001 double ipts, opts;
2002 ost = ost_table[i];
2003 os = output_files[ost->file_index];
2004 ist = ist_table[ost->source_index];
2005 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
2006 opts = ost->sync_opts * av_q2d(ost->st->codec.time_base);
2007 else
2008 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2009 ipts = (double)ist->pts;
2010 if (!file_table[ist->file_index].eof_reached){
2011 if(ipts < ipts_min) {
2012 ipts_min = ipts;
2013 if(input_sync ) file_index = ist->file_index;
2014 }
2015 if(opts < opts_min) {
2016 opts_min = opts;
2017 if(!input_sync) file_index = ist->file_index;
2018 }
2019 }
2020 if(ost->frame_number >= max_frames[ost->st->codec.codec_type]){
2021 file_index= -1;
2022 break;
2023 }
2024 }
2025 /* if none, if is finished */
2026 if (file_index < 0) {
2027 break;
2028 }
2029
2030 /* finish if recording time exhausted */
2031 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2032 break;
2033
2034 /* finish if limit size exhausted */
2035 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2036 break;
2037
2038 /* read a frame from it and output it in the fifo */
2039 is = input_files[file_index];
2040 if (av_read_frame(is, &pkt) < 0) {
2041 file_table[file_index].eof_reached = 1;
2042 if (opt_shortest) break; else continue; //
2043 }
2044
2045 if (!pkt.size) {
2046 stream_no_data = is;
2047 } else {
2048 stream_no_data = 0;
2049 }
2050 if (do_pkt_dump) {
2051 av_pkt_dump(stdout, &pkt, do_hex_dump);
2052 }
2053 /* the following test is needed in case new streams appear
2054 dynamically in stream : we ignore them */
2055 if (pkt.stream_index >= file_table[file_index].nb_streams)
2056 goto discard_packet;
2057 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2058 ist = ist_table[ist_index];
2059 if (ist->discard)
2060 goto discard_packet;
2061
2062 // 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);
2063 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2064 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2065 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2066 input_files_ts_offset[ist->file_index]-= delta;
2067 if (verbose > 2)
2068 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
2069 for(i=0; i<file_table[file_index].nb_streams; i++){
2070 int index= file_table[file_index].ist_index + i;
2071 ist_table[index]->next_pts += delta;
2072 ist_table[index]->is_start=1;
2073 }
2074 }
2075 }
2076
2077 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2078 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2079
2080 if (verbose >= 0)
2081 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2082 ist->file_index, ist->index);
2083
2084 av_free_packet(&pkt);
2085 goto redo;
2086 }
2087
2088 discard_packet:
2089 av_free_packet(&pkt);
2090
2091 /* dump report by using the output first video and audio streams */
2092 print_report(output_files, ost_table, nb_ostreams, 0);
2093 }
2094
2095 /* at the end of stream, we must flush the decoder buffers */
2096 for(i=0;i<nb_istreams;i++) {
2097 ist = ist_table[i];
2098 if (ist->decoding_needed) {
2099 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2100 }
2101 }
2102
2103 term_exit();
2104
2105 /* write the trailer if needed and close file */
2106 for(i=0;i<nb_output_files;i++) {
2107 os = output_files[i];
2108 av_write_trailer(os);
2109 }
2110
2111 /* dump report by using the first video and audio streams */
2112 print_report(output_files, ost_table, nb_ostreams, 1);
2113
2114 /* close each encoder */
2115 for(i=0;i<nb_ostreams;i++) {
2116 ost = ost_table[i];
2117 if (ost->encoding_needed) {
2118 av_freep(&ost->st->codec.stats_in);
2119 avcodec_close(&ost->st->codec);
2120 }
2121 }
2122
2123 /* close each decoder */
2124 for(i=0;i<nb_istreams;i++) {
2125 ist = ist_table[i];
2126 if (ist->decoding_needed) {
2127 avcodec_close(&ist->st->codec);
2128 }
2129 }
2130
2131 /* finished ! */
2132
2133 ret = 0;
2134 fail1:
2135 av_freep(&bit_buffer);
2136 av_free(file_table);
2137
2138 if (ist_table) {
2139 for(i=0;i<nb_istreams;i++) {
2140 ist = ist_table[i];
2141 av_free(ist);
2142 }
2143 av_free(ist_table);
2144 }
2145 if (ost_table) {
2146 for(i=0;i<nb_ostreams;i++) {
2147 ost = ost_table[i];
2148 if (ost) {
2149 if (ost->logfile) {
2150 fclose(ost->logfile);
2151 ost->logfile = NULL;
2152 }
2153 fifo_free(&ost->fifo); /* works even if fifo is not
2154 initialized but set to zero */
2155 av_free(ost->pict_tmp.data[0]);
2156 if (ost->video_resample)
2157 img_resample_close(ost->img_resample_ctx);
2158 if (ost->audio_resample)
2159 audio_resample_close(ost->resample);
2160 av_free(ost);
2161 }
2162 }
2163 av_free(ost_table);
2164 }
2165 return ret;
2166 fail:
2167 ret = -ENOMEM;
2168 goto fail1;
2169 }
2170
2171 #if 0
2172 int file_read(const char *filename)
2173 {
2174 URLContext *h;
2175 unsigned char buffer[1024];
2176 int len, i;
2177
2178 if (url_open(&h, filename, O_RDONLY) < 0) {
2179 printf("could not open '%s'\n", filename);
2180 return -1;
2181 }
2182 for(;;) {
2183 len = url_read(h, buffer, sizeof(buffer));
2184 if (len <= 0)
2185 break;
2186 for(i=0;i<len;i++) putchar(buffer[i]);
2187 }
2188 url_close(h);
2189 return 0;
2190 }
2191 #endif
2192
2193 static void opt_image_format(const char *arg)
2194 {
2195 AVImageFormat *f;
2196
2197 for(f = first_image_format; f != NULL; f = f->next) {
2198 if (!strcmp(arg, f->name))
2199 break;
2200 }
2201 if (!f) {
2202 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2203 exit(1);
2204 }
2205 image_format = f;
2206 }
2207
2208 static void opt_format(const char *arg)
2209 {
2210 /* compatibility stuff for pgmyuv */
2211 if (!strcmp(arg, "pgmyuv")) {
2212 pgmyuv_compatibility_hack=1;
2213 // opt_image_format(arg);
2214 arg = "image2";
2215 }
2216
2217 file_iformat = av_find_input_format(arg);
2218 file_oformat = guess_format(arg, NULL, NULL);
2219 if (!file_iformat && !file_oformat) {
2220 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2221 exit(1);
2222 }
2223 }
2224
2225 static void opt_video_bitrate(const char *arg)
2226 {
2227 video_bit_rate = atoi(arg) * 1000;
2228 }
2229
2230 static void opt_video_bitrate_tolerance(const char *arg)
2231 {
2232 video_bit_rate_tolerance = atoi(arg) * 1000;
2233 }
2234
2235 static void opt_video_bitrate_max(const char *arg)
2236 {
2237 video_rc_max_rate = atoi(arg) * 1000;
2238 }
2239
2240 static void opt_video_bitrate_min(const char *arg)
2241 {
2242 video_rc_min_rate = atoi(arg) * 1000;
2243 }
2244
2245 static void opt_video_buffer_size(const char *arg)
2246 {
2247 video_rc_buffer_size = atoi(arg) * 8*1024;
2248 }
2249
2250 static void opt_video_rc_eq(char *arg)
2251 {
2252 video_rc_eq = arg;
2253 }
2254
2255 static void opt_video_rc_override_string(char *arg)
2256 {
2257 video_rc_override_string = arg;
2258 }
2259
2260
2261 static void opt_workaround_bugs(const char *arg)
2262 {
2263 workaround_bugs = atoi(arg);
2264 }
2265
2266 static void opt_dct_algo(const char *arg)
2267 {
2268 dct_algo = atoi(arg);
2269 }
2270
2271 static void opt_idct_algo(const char *arg)
2272 {
2273 idct_algo = atoi(arg);
2274 }
2275
2276 static void opt_me_threshold(const char *arg)
2277 {
2278 me_threshold = atoi(arg);
2279 }
2280
2281 static void opt_mb_threshold(const char *arg)
2282 {
2283 mb_threshold = atoi(arg);
2284 }
2285
2286 static void opt_error_resilience(const char *arg)
2287 {
2288 error_resilience = atoi(arg);
2289 }
2290
2291 static void opt_error_concealment(const char *arg)
2292 {
2293 error_concealment = atoi(arg);
2294 }
2295
2296 static void opt_debug(const char *arg)
2297 {
2298 debug = atoi(arg);
2299 av_log_set_level(AV_LOG_DEBUG);
2300 }
2301
2302 static void opt_vismv(const char *arg)
2303 {
2304 debug_mv = atoi(arg);
2305 }
2306
2307 static void opt_verbose(const char *arg)
2308 {
2309 verbose = atoi(arg);
2310 av_log_set_level(atoi(arg));
2311 }
2312
2313 static void opt_frame_rate(const char *arg)
2314 {
2315 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2316 fprintf(stderr, "Incorrect frame rate\n");
2317 exit(1);
2318 }
2319 }
2320
2321 static void opt_frame_crop_top(const char *arg)
2322 {
2323 frame_topBand = atoi(arg);
2324 if (frame_topBand < 0) {
2325 fprintf(stderr, "Incorrect top crop size\n");
2326 exit(1);
2327 }
2328 if ((frame_topBand % 2) != 0) {
2329 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2330 exit(1);
2331 }
2332 if ((frame_topBand) >= frame_height){
2333 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2334 exit(1);
2335 }
2336 frame_height -= frame_topBand;
2337 }
2338
2339 static void opt_frame_crop_bottom(const char *arg)
2340 {
2341 frame_bottomBand = atoi(arg);
2342 if (frame_bottomBand < 0) {
2343 fprintf(stderr, "Incorrect bottom crop size\n");
2344 exit(1);
2345 }
2346 if ((frame_bottomBand % 2) != 0) {
2347 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2348 exit(1);
2349 }
2350 if ((frame_bottomBand) >= frame_height){
2351 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2352 exit(1);
2353 }
2354 frame_height -= frame_bottomBand;
2355 }
2356
2357 static void opt_frame_crop_left(const char *arg)
2358 {
2359 frame_leftBand = atoi(arg);
2360 if (frame_leftBand < 0) {
2361 fprintf(stderr, "Incorrect left crop size\n");
2362 exit(1);
2363 }
2364 if ((frame_leftBand % 2) != 0) {
2365 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2366 exit(1);
2367 }
2368 if ((frame_leftBand) >= frame_width){
2369 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2370 exit(1);
2371 }
2372 frame_width -= frame_leftBand;
2373 }
2374
2375 static void opt_frame_crop_right(const char *arg)
2376 {
2377 frame_rightBand = atoi(arg);
2378 if (frame_rightBand < 0) {
2379 fprintf(stderr, "Incorrect right crop size\n");
2380 exit(1);
2381 }
2382 if ((frame_rightBand % 2) != 0) {
2383 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2384 exit(1);
2385 }
2386 if ((frame_rightBand) >= frame_width){
2387 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2388 exit(1);
2389 }
2390 frame_width -= frame_rightBand;
2391 }
2392
2393 static void opt_frame_size(const char *arg)
2394 {
2395 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2396 fprintf(stderr, "Incorrect frame size\n");
2397 exit(1);
2398 }
2399 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2400 fprintf(stderr, "Frame size must be a multiple of 2\n");
2401 exit(1);
2402 }
2403 }
2404
2405
2406 #define SCALEBITS 10
2407 #define ONE_HALF (1 << (SCALEBITS - 1))
2408 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2409
2410 #define RGB_TO_Y(r, g, b) \
2411 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2412 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2413
2414 #define RGB_TO_U(r1, g1, b1, shift)\
2415 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2416 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2417
2418 #define RGB_TO_V(r1, g1, b1, shift)\
2419 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2420 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2421
2422 static void opt_pad_color(const char *arg) {
2423 /* Input is expected to be six hex digits similar to
2424 how colors are expressed in html tags (but without the #) */
2425 int rgb = strtol(arg, NULL, 16);
2426 int r,g,b;
2427
2428 r = (rgb >> 16);
2429 g = ((rgb >> 8) & 255);
2430 b = (rgb & 255);
2431
2432 padcolor[0] = RGB_TO_Y(r,g,b);
2433 padcolor[1] = RGB_TO_U(r,g,b,0);
2434 padcolor[2] = RGB_TO_V(r,g,b,0);
2435 }
2436
2437 static void opt_frame_pad_top(const char *arg)
2438 {
2439 frame_padtop = atoi(arg);
2440 if (frame_padtop < 0) {
2441 fprintf(stderr, "Incorrect top pad size\n");
2442 exit(1);
2443 }
2444 if ((frame_padtop % 2) != 0) {
2445 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2446 exit(1);
2447 }
2448 }
2449
2450 static void opt_frame_pad_bottom(const char *arg)
2451 {
2452 frame_padbottom = atoi(arg);
2453 if (frame_padbottom < 0) {
2454 fprintf(stderr, "Incorrect bottom pad size\n");
2455 exit(1);
2456 }
2457 if ((frame_padbottom % 2) != 0) {
2458 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2459 exit(1);
2460 }
2461 }
2462
2463
2464 static void opt_frame_pad_left(const char *arg)
2465 {
2466 frame_padleft = atoi(arg);
2467 if (frame_padleft < 0) {
2468 fprintf(stderr, "Incorrect left pad size\n");
2469 exit(1);
2470 }
2471 if ((frame_padleft % 2) != 0) {
2472 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2473 exit(1);
2474 }
2475 }
2476
2477
2478 static void opt_frame_pad_right(const char *arg)
2479 {
2480 frame_padright = atoi(arg);
2481 if (frame_padright < 0) {
2482 fprintf(stderr, "Incorrect right pad size\n");
2483 exit(1);
2484 }
2485 if ((frame_padright % 2) != 0) {
2486 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2487 exit(1);
2488 }
2489 }
2490
2491
2492 static void opt_frame_pix_fmt(const char *arg)
2493 {
2494 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2495 }
2496
2497 static void opt_frame_aspect_ratio(const char *arg)
2498 {
2499 int x = 0, y = 0;
2500 double ar = 0;
2501 const char *p;
2502
2503 p = strchr(arg, ':');
2504 if (p) {
2505 x = strtol(arg, (char **)&arg, 10);
2506 if (arg == p)
2507 y = strtol(arg+1, (char **)&arg, 10);
2508 if (x > 0 && y > 0)
2509 ar = (double)x / (double)y;
2510 } else
2511 ar = strtod(arg, (char **)&arg);
2512
2513 if (!ar) {
2514 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2515 exit(1);
2516 }
2517 frame_aspect_ratio = ar;
2518 }
2519
2520 static void opt_gop_size(const char *arg)
2521 {
2522 gop_size = atoi(arg);
2523 }
2524
2525 static void opt_b_frames(const char *arg)
2526 {
2527 b_frames = atoi(arg);
2528 if (b_frames > FF_MAX_B_FRAMES) {
2529 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2530 exit(1);
2531 } else if (b_frames < 1) {
2532 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2533 exit(1);
2534 }
2535 }
2536
2537 static void opt_mb_decision(const char *arg)
2538 {
2539 mb_decision = atoi(arg);
2540 }
2541
2542 static void opt_mb_cmp(const char *arg)
2543 {
2544 mb_cmp = atoi(arg);
2545 }
2546
2547 static void opt_ildct_cmp(const char *arg)
2548 {
2549 ildct_cmp = atoi(arg);
2550 }
2551
2552 static void opt_sub_cmp(const char *arg)
2553 {
2554 sub_cmp = atoi(arg);
2555 }
2556
2557 static void opt_cmp(const char *arg)
2558 {
2559 cmp = atoi(arg);
2560 }
2561
2562 static void opt_pre_cmp(const char *arg)
2563 {
2564 pre_cmp = atoi(arg);
2565 }
2566
2567 static void opt_pre_me(const char *arg)
2568 {
2569 pre_me = atoi(arg);
2570 }
2571
2572 static void opt_lumi_mask(const char *arg)
2573 {
2574 lumi_mask = atof(arg);
2575 }
2576
2577 static void opt_dark_mask(const char *arg)
2578 {
2579 dark_mask = atof(arg);
2580 }
2581
2582 static void opt_scplx_mask(const char *arg)
2583 {
2584 scplx_mask = atof(arg);
2585 }
2586
2587 static void opt_tcplx_mask(const char *arg)
2588 {
2589 tcplx_mask = atof(arg);
2590 }
2591
2592 static void opt_p_mask(const char *arg)
2593 {
2594 p_mask = atof(arg);
2595 }
2596
2597 static void opt_qscale(const char *arg)
2598 {
2599 video_qscale = atof(arg);
2600 if (video_qscale < 0.01 ||
2601 video_qscale > 255) {
2602 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2603 exit(1);
2604 }
2605 }
2606
2607 static void opt_qsquish(const char *arg)
2608 {
2609 video_qsquish = atof(arg);
2610 if (video_qsquish < 0.0 ||
2611 video_qsquish > 99.0) {
2612 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2613 exit(1);
2614 }
2615 }
2616
2617 static void opt_lelim(const char *arg)
2618 {
2619 video_lelim = atoi(arg);
2620 if (video_lelim < -99 ||
2621 video_lelim > 99) {
2622 fprintf(stderr, "lelim must be >= -99 and <= 99\n");
2623 exit(1);
2624 }
2625 }
2626
2627 static void opt_celim(const char *arg)
2628 {
2629 video_celim = atoi(arg);
2630 if (video_celim < -99 ||
2631 video_celim > 99) {
2632 fprintf(stderr, "celim must be >= -99 and <= 99\n");
2633 exit(1);
2634 }
2635 }
2636
2637 static void opt_lmax(const char *arg)
2638 {
2639 video_lmax = atof(arg)*FF_QP2LAMBDA;
2640 }
2641
2642 static void opt_lmin(const char *arg)
2643 {
2644 video_lmin = atof(arg)*FF_QP2LAMBDA;
2645 }
2646
2647 static void opt_qmin(const char *arg)
2648 {
2649 video_qmin = atoi(arg);
2650 if (video_qmin < 1 ||
2651 video_qmin > 31) {
2652 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2653 exit(1);
2654 }
2655 }
2656
2657 static void opt_qmax(const char *arg)
2658 {
2659 video_qmax = atoi(arg);
2660 if (video_qmax < 1 ||
2661 video_qmax > 31) {
2662 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2663 exit(1);
2664 }
2665 }
2666
2667 static void opt_mb_lmin(const char *arg)
2668 {
2669 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2670 if (video_mb_lmin < 1 ||
2671 video_mb_lmin > FF_LAMBDA_MAX) {
2672 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2673 exit(1);
2674 }
2675 }
2676
2677 static void opt_mb_lmax(const char *arg)
2678 {
2679 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2680 if (video_mb_lmax < 1 ||
2681 video_mb_lmax > FF_LAMBDA_MAX) {
2682 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2683 exit(1);
2684 }
2685 }
2686
2687 static void opt_qdiff(const char *arg)
2688 {
2689 video_qdiff = atoi(arg);
2690 if (video_qdiff < 0 ||
2691 video_qdiff > 31) {
2692 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2693 exit(1);
2694 }
2695 }
2696
2697 static void opt_qblur(const char *arg)
2698 {
2699 video_qblur = atof(arg);
2700 }
2701
2702 static void opt_qcomp(const char *arg)
2703 {
2704 video_qcomp = atof(arg);
2705 }
2706
2707 static void opt_rc_initial_cplx(const char *arg)
2708 {
2709 video_rc_initial_cplx = atof(arg);
2710 }
2711 static void opt_b_qfactor(const char *arg)
2712 {
2713 video_b_qfactor = atof(arg);
2714 }
2715 static void opt_i_qfactor(const char *arg)
2716 {
2717 video_i_qfactor = atof(arg);
2718 }
2719 static void opt_b_qoffset(const char *arg)
2720 {
2721 video_b_qoffset = atof(arg);
2722 }
2723 static void opt_i_qoffset(const char *arg)
2724 {
2725 video_i_qoffset = atof(arg);
2726 }
2727
2728 static void opt_ibias(const char *arg)
2729 {
2730 video_intra_quant_bias = atoi(arg);
2731 }
2732 static void opt_pbias(const char *arg)
2733 {
2734 video_inter_quant_bias = atoi(arg);
2735 }
2736
2737 static void opt_packet_size(const char *arg)
2738 {
2739 packet_size= atoi(arg);
2740 }
2741
2742 static void opt_error_rate(const char *arg)
2743 {
2744 error_rate= atoi(arg);
2745 }
2746
2747 static void opt_strict(const char *arg)
2748 {
2749 strict= atoi(arg);
2750 }
2751
2752 static void opt_top_field_first(const char *arg)
2753 {
2754 top_field_first= atoi(arg);
2755 }
2756
2757 static void opt_noise_reduction(const char *arg)
2758 {
2759 noise_reduction= atoi(arg);
2760 }
2761
2762 static void opt_qns(const char *arg)
2763 {
2764 qns= atoi(arg);
2765 }
2766
2767 static void opt_sc_threshold(const char *arg)
2768 {
2769 sc_threshold= atoi(arg);
2770 }
2771
2772 static void opt_me_range(const char *arg)
2773 {
2774 me_range = atoi(arg);
2775 }
2776
2777 static void opt_thread_count(const char *arg)
2778 {
2779 thread_count= atoi(arg);
2780 #if !defined(HAVE_THREADS)
2781 if (verbose >= 0)
2782 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2783 #endif
2784 }
2785
2786 static void opt_audio_bitrate(const char *arg)
2787 {
2788 audio_bit_rate = atoi(arg) * 1000;
2789 }
2790
2791 static void opt_audio_rate(const char *arg)
2792 {
2793 audio_sample_rate = atoi(arg);
2794 }
2795
2796 static void opt_audio_channels(const char *arg)
2797 {
2798 audio_channels = atoi(arg);
2799 }
2800
2801 static void opt_video_device(const char *arg)
2802 {
2803 video_device = av_strdup(arg);
2804 }
2805
2806 static void opt_grab_device(const char *arg)
2807 {
2808 grab_device = av_strdup(arg);
2809 }
2810
2811 static void opt_video_channel(const char *arg)
2812 {
2813 video_channel = strtol(arg, NULL, 0);
2814 }
2815
2816 static void opt_video_standard(const char *arg)
2817 {
2818 video_standard = av_strdup(arg);
2819 }
2820
2821 static void opt_audio_device(const char *arg)
2822 {
2823 audio_device = av_strdup(arg);
2824 }
2825
2826 static void opt_codec(int *pstream_copy, int *pcodec_id,
2827 int codec_type, const char *arg)
2828 {
2829 AVCodec *p;
2830
2831 if (!strcmp(arg, "copy")) {
2832 *pstream_copy = 1;
2833 } else {
2834 p = first_avcodec;
2835 while (p) {
2836 if (!strcmp(p->name, arg) && p->type == codec_type)
2837 break;
2838 p = p->next;
2839 }
2840 if (p == NULL) {
2841 fprintf(stderr, "Unknown codec '%s'\n", arg);
2842 exit(1);
2843 } else {
2844 *pcodec_id = p->id;
2845 }
2846 }
2847 }
2848
2849 static void opt_audio_codec(const char *arg)
2850 {
2851 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2852 }
2853
2854 static void opt_audio_tag(const char *arg)
2855 {
2856 char *tail;
2857 audio_codec_tag= strtol(arg, &tail, 0);
2858
2859 if(!tail || *tail)
2860 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2861 }
2862
2863 static void opt_video_tag(const char *arg)
2864 {
2865 char *tail;
2866 video_codec_tag= strtol(arg, &tail, 0);
2867
2868 if(!tail || *tail)
2869 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2870 }
2871
2872 static void add_frame_hooker(const char *arg)
2873 {
2874 int argc = 0;
2875 char *argv[64];
2876 int i;
2877 char *args = av_strdup(arg);
2878
2879 using_vhook = 1;
2880
2881 argv[0] = strtok(args, " ");
2882 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2883 }
2884
2885 i = frame_hook_add(argc, argv);
2886
2887 if (i != 0) {
2888 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2889 exit(1);
2890 }
2891 }
2892
2893 const char *motion_str[] = {
2894 "zero",
2895 "full",
2896 "log",
2897 "phods",
2898 "epzs",
2899 "x1",
2900 NULL,
2901 };
2902
2903 static void opt_motion_estimation(const char *arg)
2904 {
2905 const char **p;
2906 p = motion_str;
2907 for(;;) {
2908 if (!*p) {
2909 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2910 exit(1);
2911 }
2912 if (!strcmp(*p, arg))
2913 break;
2914 p++;
2915 }
2916 me_method = (p - motion_str) + 1;
2917 }
2918
2919 static void opt_video_codec(const char *arg)
2920 {
2921 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2922 }
2923
2924 static void opt_subtitle_codec(const char *arg)
2925 {
2926 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2927 }
2928
2929 static void opt_map(const char *arg)
2930 {
2931 AVStreamMap *m;
2932 const char *p;
2933
2934 p = arg;
2935 m = &stream_maps[nb_stream_maps++];
2936
2937 m->file_index = strtol(arg, (char **)&p, 0);
2938 if (*p)
2939 p++;
2940
2941 m->stream_index = strtol(p, (char **)&p, 0);
2942 if (*p) {
2943 p++;
2944 m->sync_file_index = strtol(p, (char **)&p, 0);
2945 if (*p)
2946 p++;
2947 m->sync_stream_index = strtol(p, (char **)&p, 0);
2948 } else {
2949 m->sync_file_index = m->file_index;
2950 m->sync_stream_index = m->stream_index;
2951 }
2952 }
2953
2954 static void opt_map_meta_data(const char *arg)
2955 {
2956 AVMetaDataMap *m;
2957 const char *p;
2958
2959 p = arg;
2960 m = &meta_data_maps[nb_meta_data_maps++];
2961
2962 m->out_file = strtol(arg, (char **)&p, 0);
2963 if (*p)
2964 p++;
2965
2966 m->in_file = strtol(p, (char **)&p, 0);
2967 }
2968
2969 static void opt_recording_time(const char *arg)
2970 {
2971 recording_time = parse_date(arg, 1);
2972 }
2973
2974 static void opt_start_time(const char *arg)
2975 {
2976 start_time = parse_date(arg, 1);
2977 }
2978
2979 static void opt_rec_timestamp(const char *arg)
2980 {
2981 rec_timestamp = parse_date(arg, 0) / 1000000;
2982 }
2983
2984 static void opt_input_ts_offset(const char *arg)
2985 {
2986 input_ts_offset = parse_date(arg, 1);
2987 }
2988
2989 static void opt_input_file(const char *filename)
2990 {
2991 AVFormatContext *ic;
2992 AVFormatParameters params, *ap = &params;
2993 int err, i, ret, rfps, rfps_base;
2994 int64_t timestamp;
2995
2996 if (!strcmp(filename, "-"))
2997 filename = "pipe:";
2998
2999 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3000 !strcmp( filename, "/dev/stdin" );
3001
3002 /* get default parameters from command line */
3003 memset(ap, 0, sizeof(*ap));
3004 ap->sample_rate = audio_sample_rate;
3005 ap->channels = audio_channels;
3006 ap->time_base.den = frame_rate;
3007 ap->time_base.num = frame_rate_base;
3008 ap->width = frame_width + frame_padleft + frame_padright;
3009 ap->height = frame_height + frame_padtop + frame_padbottom;
3010 ap->image_format = image_format;
3011 ap->pix_fmt = frame_pix_fmt;
3012 ap->device = grab_device;
3013 ap->channel = video_channel;
3014 ap->standard = video_standard;
3015 ap->video_codec_id = video_codec_id;
3016 ap->audio_codec_id = audio_codec_id;
3017 if(pgmyuv_compatibility_hack)
3018 ap->video_codec_id= CODEC_ID_PGMYUV;
3019
3020 /* open the input file with generic libav function */
3021 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3022 if (err < 0) {
3023 print_error(filename, err);
3024 exit(1);
3025 }
3026
3027 /* If not enough info to get the stream parameters, we decode the
3028 first frames to get it. (used in mpeg case for example) */
3029 ret = av_find_stream_info(ic);
3030 if (ret < 0 && verbose >= 0) {
3031 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3032 exit(1);
3033 }
3034
3035 timestamp = start_time;
3036 /* add the stream start time */
3037 if (ic->start_time != AV_NOPTS_VALUE)
3038 timestamp += ic->start_time;
3039
3040 /* if seeking requested, we execute it */
3041 if (start_time != 0) {
3042 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3043 if (ret < 0) {
3044 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3045 filename, (double)timestamp / AV_TIME_BASE);
3046 }
3047 /* reset seek info */
3048 start_time = 0;
3049 }
3050
3051 /* update the current parameters so that they match the one of the input stream */
3052 for(i=0;i<ic->nb_streams;i++) {
3053 AVCodecContext *enc = &ic->streams[i]->codec;
3054 #if defined(HAVE_THREADS)
3055 if(thread_count>1)
3056 avcodec_thread_init(enc, thread_count);
3057 #endif
3058 enc->thread_count= thread_count;
3059 switch(enc->codec_type) {
3060 case CODEC_TYPE_AUDIO:
3061 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3062 audio_channels = enc->channels;
3063 audio_sample_rate = enc->sample_rate;
3064 if(audio_disable)
3065 ic->streams[i]->discard= AVDISCARD_ALL;
3066 break;
3067 case CODEC_TYPE_VIDEO:
3068 frame_height = enc->height;
3069 frame_width = enc->width;
3070 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
3071 frame_pix_fmt = enc->pix_fmt;
3072 rfps = ic->streams[i]->r_frame_rate.num;
3073 rfps_base = ic->streams[i]->r_frame_rate.den;
3074 enc->workaround_bugs = workaround_bugs;
3075 enc->error_resilience = error_resilience;
3076 enc->error_concealment = error_concealment;
3077 enc->idct_algo = idct_algo;
3078 enc->debug = debug;
3079 enc->debug_mv = debug_mv;
3080 enc->lowres= lowres;
3081 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3082 if(bitexact)
3083 enc->flags|= CODEC_FLAG_BITEXACT;
3084 if(me_threshold)
3085 enc->debug |= FF_DEBUG_MV;
3086 if(gray_only)
3087 enc->flags |= CODEC_FLAG_GRAY;
3088
3089 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3090
3091 if (verbose >= 0)
3092 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3093 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3094
3095 (float)rfps / rfps_base, rfps, rfps_base);
3096 }
3097 /* update the current frame rate to match the stream frame rate */
3098 frame_rate = rfps;
3099 frame_rate_base = rfps_base;
3100
3101 enc->rate_emu = rate_emu;
3102 if(video_disable)
3103 ic->streams[i]->discard= AVDISCARD_ALL;
3104 else if(video_discard)
3105 ic->streams[i]->discard= video_discard;
3106 break;
3107 case CODEC_TYPE_DATA:
3108 break;
3109 case CODEC_TYPE_SUBTITLE:
3110 break;
3111 default:
3112 av_abort();
3113 }
3114 }
3115
3116 input_files[nb_input_files] = ic;
3117 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3118 /* dump the file content */
3119 if (verbose >= 0)
3120 dump_format(ic, nb_input_files, filename, 0);
3121
3122 nb_input_files++;
3123 file_iformat = NULL;
3124 file_oformat = NULL;
3125 image_format = NULL;
3126
3127 grab_device = NULL;
3128 video_channel = 0;
3129
3130 rate_emu = 0;
3131 }
3132
3133 static void opt_grab(const char *arg)
3134 {
3135 file_iformat = av_find_input_format(arg);
3136 opt_input_file("");
3137 }
3138
3139 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3140 {
3141 int has_video, has_audio, i, j;
3142 AVFormatContext *ic;
3143
3144 has_video = 0;
3145 has_audio = 0;
3146 for(j=0;j<nb_input_files;j++) {
3147 ic = input_files[j];
3148 for(i=0;i<ic->nb_streams;i++) {
3149 AVCodecContext *enc = &ic->streams[i]->codec;
3150 switch(enc->codec_type) {
3151 case CODEC_TYPE_AUDIO:
3152 has_audio = 1;
3153 break;
3154 case CODEC_TYPE_VIDEO:
3155 has_video = 1;
3156 break;
3157 case CODEC_TYPE_DATA:
3158 case CODEC_TYPE_SUBTITLE:
3159 break;
3160 default:
3161 av_abort();
3162 }
3163 }
3164 }
3165 *has_video_ptr = has_video;
3166 *has_audio_ptr = has_audio;
3167 }
3168
3169 static void new_video_stream(AVFormatContext *oc)
3170 {
3171 AVStream *st;
3172 AVCodecContext *video_enc;
3173 int codec_id;
3174
3175 st = av_new_stream(oc, oc->nb_streams);
3176 if (!st) {
3177 fprintf(stderr, "Could not alloc stream\n");
3178 exit(1);
3179 }
3180 #if defined(HAVE_THREADS)
3181 if(thread_count>1)
3182 avcodec_thread_init(&st->codec, thread_count);
3183 #endif
3184
3185 video_enc = &st->codec;
3186
3187 if(video_codec_tag)
3188 video_enc->codec_tag= video_codec_tag;
3189
3190 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3191 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3192 if (video_stream_copy) {
3193 st->stream_copy = 1;
3194 video_enc->codec_type = CODEC_TYPE_VIDEO;
3195 } else {
3196 char *p;
3197 int i;
3198 AVCodec *codec;
3199
3200 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3201 if (video_codec_id != CODEC_ID_NONE)
3202 codec_id = video_codec_id;
3203
3204 video_enc->codec_id = codec_id;
3205 codec = avcodec_find_encoder(codec_id);
3206
3207 video_enc->bit_rate = video_bit_rate;
3208 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3209 video_enc->time_base.den = frame_rate;
3210 video_enc->time_base.num = frame_rate_base;
3211 if(codec && codec->supported_framerates){
3212 const AVRational *p= codec->supported_framerates;
3213 AVRational req= (AVRational){frame_rate, frame_rate_base};
3214 const AVRational *best=NULL;
3215 AVRational best_error= (AVRational){INT_MAX, 1};
3216 for(; p->den!=0; p++){
3217 AVRational error= av_sub_q(req, *p);
3218 if(error.num <0) error.num *= -1;
3219 if(av_cmp_q(error, best_error) < 0){
3220 best_error= error;
3221 best= p;
3222 }
3223 }
3224 video_enc->time_base.den= best->num;
3225 video_enc->time_base.num= best->den;
3226 }
3227
3228 video_enc->width = frame_width + frame_padright + frame_padleft;
3229 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3230 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3231 video_enc->pix_fmt = frame_pix_fmt;
3232
3233 if(codec && codec->pix_fmts){
3234 const enum PixelFormat *p= codec->pix_fmts;
3235 for(; *p!=-1; p++){
3236 if(*p == video_enc->pix_fmt)
3237 break;
3238 }
3239 if(*p == -1)
3240 video_enc->pix_fmt = codec->pix_fmts[0];
3241 }
3242
3243 if (!intra_only)
3244 video_enc->gop_size = gop_size;
3245 else
3246 video_enc->gop_size = 0;
3247 if (video_qscale || same_quality) {
3248 video_enc->flags |= CODEC_FLAG_QSCALE;
3249 video_enc->global_quality=
3250 st->quality = FF_QP2LAMBDA * video_qscale;
3251 }
3252
3253 if(intra_matrix)
3254 video_enc->intra_matrix = intra_matrix;
3255 if(inter_matrix)
3256 video_enc->inter_matrix = inter_matrix;
3257
3258 if(bitexact)
3259 video_enc->flags |= CODEC_FLAG_BITEXACT;
3260
3261 video_enc->mb_decision = mb_decision;
3262 video_enc->mb_cmp = mb_cmp;
3263 video_enc->ildct_cmp = ildct_cmp;
3264 video_enc->me_sub_cmp = sub_cmp;
3265 video_enc->me_cmp = cmp;
3266 video_enc->me_pre_cmp = pre_cmp;
3267 video_enc->pre_me = pre_me;
3268 video_enc->lumi_masking = lumi_mask;
3269 video_enc->dark_masking = dark_mask;
3270 video_enc->spatial_cplx_masking = scplx_mask;
3271 video_enc->temporal_cplx_masking = tcplx_mask;
3272 video_enc->p_masking = p_mask;
3273 video_enc->quantizer_noise_shaping= qns;
3274
3275 if (use_umv) {
3276 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3277 }
3278 if (use_ss) {
3279 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3280 }
3281 if (use_aic) {
3282 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3283 }
3284 if (use_aiv) {
3285 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3286 }
3287 if (use_4mv) {
3288 video_enc->flags |= CODEC_FLAG_4MV;
3289 }
3290 if (use_obmc) {
3291 video_enc->flags |= CODEC_FLAG_OBMC;
3292 }
3293 if (use_loop) {
3294 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3295 }
3296
3297 if(use_part) {
3298 video_enc->flags |= CODEC_FLAG_PART;