changing AVCodecContext codec -> *codec in AVStream so additions to AVCodecContext...
[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 = FF_ER_CAREFULL;
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 static int video_global_header = 0;
258
259 static int rate_emu = 0;
260
261 #ifdef CONFIG_BKTR
262 static char *video_grab_format = "bktr";
263 #else
264 static char *video_grab_format = "video4linux";
265 #endif
266 static char *video_device = NULL;
267 static char *grab_device = NULL;
268 static int video_channel = 0;
269 static char *video_standard = "ntsc";
270
271 static char *audio_grab_format = "audio_device";
272 static char *audio_device = NULL;
273 static int audio_volume = 256;
274
275 static int using_stdin = 0;
276 static int using_vhook = 0;
277 static int verbose = 1;
278 static int thread_count= 1;
279 static int q_pressed = 0;
280 static int me_range = 0;
281 static int64_t video_size = 0;
282 static int64_t audio_size = 0;
283 static int64_t extra_size = 0;
284 static int nb_frames_dup = 0;
285 static int nb_frames_drop = 0;
286 static int input_sync;
287 static int limit_filesize = 0; //
288
289 static int pgmyuv_compatibility_hack=0;
290
291
292 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
293
294 struct AVInputStream;
295
296 typedef struct AVOutputStream {
297 int file_index; /* file index */
298 int index; /* stream index in the output file */
299 int source_index; /* AVInputStream index */
300 AVStream *st; /* stream in the output file */
301 int encoding_needed; /* true if encoding needed for this stream */
302 int frame_number;
303 /* input pts and corresponding output pts
304 for A/V sync */
305 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
306 struct AVInputStream *sync_ist; /* input stream to sync against */
307 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
308 /* video only */
309 int video_resample; /* video_resample and video_crop are mutually exclusive */
310 AVFrame pict_tmp; /* temporary image for resampling */
311 ImgReSampleContext *img_resample_ctx; /* for image resampling */
312
313 int video_crop; /* video_resample and video_crop are mutually exclusive */
314 int topBand; /* cropping area sizes */
315 int leftBand;
316
317 int video_pad; /* video_resample and video_pad are mutually exclusive */
318 int padtop; /* padding area sizes */
319 int padbottom;
320 int padleft;
321 int padright;
322
323 /* audio only */
324 int audio_resample;
325 ReSampleContext *resample; /* for audio resampling */
326 FifoBuffer fifo; /* for compression: one audio fifo per codec */
327 FILE *logfile;
328 } AVOutputStream;
329
330 typedef struct AVInputStream {
331 int file_index;
332 int index;
333 AVStream *st;
334 int discard; /* true if stream data should be discarded */
335 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
336 int64_t sample_index; /* current sample */
337
338 int64_t start; /* time when read started */
339 unsigned long frame; /* current frame */
340 int64_t next_pts; /* synthetic pts for cases where pkt.pts
341 is not defined */
342 int64_t pts; /* current pts */
343 int is_start; /* is 1 at the start and after a discontinuity */
344 } AVInputStream;
345
346 typedef struct AVInputFile {
347 int eof_reached; /* true if eof reached */
348 int ist_index; /* index of first stream in ist_table */
349 int buffer_size; /* current total buffer size */
350 int buffer_size_max; /* buffer size at which we consider we can stop
351 buffering */
352 int nb_streams; /* nb streams we are aware of */
353 } AVInputFile;
354
355 #ifndef CONFIG_WIN32
356
357 /* init terminal so that we can grab keys */
358 static struct termios oldtty;
359
360 static void term_exit(void)
361 {
362 tcsetattr (0, TCSANOW, &oldtty);
363 }
364
365 static volatile sig_atomic_t received_sigterm = 0;
366
367 static void
368 sigterm_handler(int sig)
369 {
370 received_sigterm = sig;
371 term_exit();
372 }
373
374 static void term_init(void)
375 {
376 struct termios tty;
377
378 tcgetattr (0, &tty);
379 oldtty = tty;
380
381 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
382 |INLCR|IGNCR|ICRNL|IXON);
383 tty.c_oflag |= OPOST;
384 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
385 tty.c_cflag &= ~(CSIZE|PARENB);
386 tty.c_cflag |= CS8;
387 tty.c_cc[VMIN] = 1;
388 tty.c_cc[VTIME] = 0;
389
390 tcsetattr (0, TCSANOW, &tty);
391
392 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
393 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
394 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
395 /*
396 register a function to be called at normal program termination
397 */
398 atexit(term_exit);
399 #ifdef CONFIG_BEOS_NETSERVER
400 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
401 #endif
402 }
403
404 /* read a key without blocking */
405 static int read_key(void)
406 {
407 int n = 1;
408 unsigned char ch;
409 #ifndef CONFIG_BEOS_NETSERVER
410 struct timeval tv;
411 fd_set rfds;
412
413 FD_ZERO(&rfds);
414 FD_SET(0, &rfds);
415 tv.tv_sec = 0;
416 tv.tv_usec = 0;
417 n = select(1, &rfds, NULL, NULL, &tv);
418 #endif
419 if (n > 0) {
420 n = read(0, &ch, 1);
421 if (n == 1)
422 return ch;
423
424 return n;
425 }
426 return -1;
427 }
428
429 static int decode_interrupt_cb(void)
430 {
431 return q_pressed || (q_pressed = read_key() == 'q');
432 }
433
434 #else
435
436 static volatile int received_sigterm = 0;
437
438 /* no interactive support */
439 static void term_exit(void)
440 {
441 }
442
443 static void term_init(void)
444 {
445 }
446
447 static int read_key(void)
448 {
449 return 0;
450 }
451
452 #endif
453
454 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
455 {
456 int i, err;
457 AVFormatContext *ic;
458
459 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
460 if (err < 0)
461 return err;
462 /* copy stream format */
463 s->nb_streams = ic->nb_streams;
464 for(i=0;i<ic->nb_streams;i++) {
465 AVStream *st;
466
467 st = av_mallocz(sizeof(AVStream));
468 memcpy(st, ic->streams[i], sizeof(AVStream));
469 s->streams[i] = st;
470 }
471
472 av_close_input_file(ic);
473 return 0;
474 }
475
476 static double
477 get_sync_ipts(const AVOutputStream *ost)
478 {
479 const AVInputStream *ist = ost->sync_ist;
480 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
481 }
482
483 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
484
485 static void do_audio_out(AVFormatContext *s,
486 AVOutputStream *ost,
487 AVInputStream *ist,
488 unsigned char *buf, int size)
489 {
490 uint8_t *buftmp;
491 static uint8_t *audio_buf = NULL;
492 static uint8_t *audio_out = NULL;
493 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
494
495 int size_out, frame_bytes, ret;
496 AVCodecContext *enc= ost->st->codec;
497
498 /* SC: dynamic allocation of buffers */
499 if (!audio_buf)
500 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
501 if (!audio_out)
502 audio_out = av_malloc(audio_out_size);
503 if (!audio_buf || !audio_out)
504 return; /* Should signal an error ! */
505
506 if(audio_sync_method){
507 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
508 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
509 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
510 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
511
512 //FIXME resample delay
513 if(fabs(delta) > 50){
514 if(ist->is_start){
515 if(byte_delta < 0){
516 byte_delta= FFMAX(byte_delta, -size);
517 size += byte_delta;
518 buf -= byte_delta;
519 if(verbose > 2)
520 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
521 if(!size)
522 return;
523 ist->is_start=0;
524 }else{
525 static uint8_t *input_tmp= NULL;
526 input_tmp= av_realloc(input_tmp, byte_delta + size);
527
528 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
529 ist->is_start=0;
530 else
531 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
532
533 memset(input_tmp, 0, byte_delta);
534 memcpy(input_tmp + byte_delta, buf, size);
535 buf= input_tmp;
536 size += byte_delta;
537 if(verbose > 2)
538 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
539 }
540 }else if(audio_sync_method>1){
541 int comp= clip(delta, -audio_sync_method, audio_sync_method);
542 assert(ost->audio_resample);
543 if(verbose > 2)
544 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
545 // 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));
546 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
547 }
548 }
549 }else
550 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
551 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
552
553 if (ost->audio_resample) {
554 buftmp = audio_buf;
555 size_out = audio_resample(ost->resample,
556 (short *)buftmp, (short *)buf,
557 size / (ist->st->codec->channels * 2));
558 size_out = size_out * enc->channels * 2;
559 } else {
560 buftmp = buf;
561 size_out = size;
562 }
563
564 /* now encode as many frames as possible */
565 if (enc->frame_size > 1) {
566 /* output resampled raw samples */
567 fifo_write(&ost->fifo, buftmp, size_out,
568 &ost->fifo.wptr);
569
570 frame_bytes = enc->frame_size * 2 * enc->channels;
571
572 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
573 &ost->fifo.rptr) == 0) {
574 AVPacket pkt;
575 av_init_packet(&pkt);
576
577 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
578 (short *)audio_buf);
579 audio_size += ret;
580 pkt.stream_index= ost->index;
581 pkt.data= audio_out;
582 pkt.size= ret;
583 if(enc->coded_frame)
584 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
585 pkt.flags |= PKT_FLAG_KEY;
586 av_interleaved_write_frame(s, &pkt);
587
588 ost->sync_opts += enc->frame_size;
589 }
590 } else {
591 AVPacket pkt;
592 av_init_packet(&pkt);
593
594 ost->sync_opts += size_out / (2 * enc->channels);
595
596 /* output a pcm frame */
597 /* XXX: change encoding codec API to avoid this ? */
598 switch(enc->codec->id) {
599 case CODEC_ID_PCM_S16LE:
600 case CODEC_ID_PCM_S16BE:
601 case CODEC_ID_PCM_U16LE:
602 case CODEC_ID_PCM_U16BE:
603 break;
604 default:
605 size_out = size_out >> 1;
606 break;
607 }
608 ret = avcodec_encode_audio(enc, audio_out, size_out,
609 (short *)buftmp);
610 audio_size += ret;
611 pkt.stream_index= ost->index;
612 pkt.data= audio_out;
613 pkt.size= ret;
614 if(enc->coded_frame)
615 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
616 pkt.flags |= PKT_FLAG_KEY;
617 av_interleaved_write_frame(s, &pkt);
618 }
619 }
620
621 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
622 {
623 AVCodecContext *dec;
624 AVPicture *picture2;
625 AVPicture picture_tmp;
626 uint8_t *buf = 0;
627
628 dec = ist->st->codec;
629
630 /* deinterlace : must be done before any resize */
631 if (do_deinterlace || using_vhook) {
632 int size;
633
634 /* create temporary picture */
635 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
636 buf = av_malloc(size);
637 if (!buf)
638 return;
639
640 picture2 = &picture_tmp;
641 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
642
643 if (do_deinterlace){
644 if(avpicture_deinterlace(picture2, picture,
645 dec->pix_fmt, dec->width, dec->height) < 0) {
646 /* if error, do not deinterlace */
647 av_free(buf);
648 buf = NULL;
649 picture2 = picture;
650 }
651 } else {
652 if (img_convert(picture2, dec->pix_fmt, picture,
653 dec->pix_fmt, dec->width, dec->height) < 0) {
654 /* if error, do not copy */
655 av_free(buf);
656 buf = NULL;
657 picture2 = picture;
658 }
659 }
660 } else {
661 picture2 = picture;
662 }
663
664 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
665
666 if (picture != picture2)
667 *picture = *picture2;
668 *bufp = buf;
669 }
670
671 /* we begin to correct av delay at this threshold */
672 #define AV_DELAY_MAX 0.100
673
674
675 /* Expects img to be yuv420 */
676 static void fill_pad_region(AVPicture* img, int height, int width,
677 int padtop, int padbottom, int padleft, int padright, int *color) {
678
679 int i, y, shift;
680 uint8_t *optr;
681
682 for (i = 0; i < 3; i++) {
683 shift = (i == 0) ? 0 : 1;
684
685 if (padtop || padleft) {
686 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
687 padleft) >> shift));
688 }
689
690 if (padleft || padright) {
691 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
692 (img->linesize[i] - (padright >> shift));
693
694 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
695 memset(optr, color[i], (padleft + padright) >> shift);
696 optr += img->linesize[i];
697 }
698 }
699
700 if (padbottom || padright) {
701 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
702 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
703 }
704 }
705 }
706
707 static void do_subtitle_out(AVFormatContext *s,
708 AVOutputStream *ost,
709 AVInputStream *ist,
710 AVSubtitle *sub,
711 int64_t pts)
712 {
713 static uint8_t *subtitle_out = NULL;
714 int subtitle_out_max_size = 65536;
715 int subtitle_out_size, nb, i;
716 AVCodecContext *enc;
717 AVPacket pkt;
718
719 if (pts == AV_NOPTS_VALUE) {
720 fprintf(stderr, "Subtitle packets must have a pts\n");
721 return;
722 }
723
724 enc = ost->st->codec;
725
726 if (!subtitle_out) {
727 subtitle_out = av_malloc(subtitle_out_max_size);
728 }
729
730 /* Note: DVB subtitle need one packet to draw them and one other
731 packet to clear them */
732 /* XXX: signal it in the codec context ? */
733 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
734 nb = 2;
735 else
736 nb = 1;
737
738 for(i = 0; i < nb; i++) {
739 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
740 subtitle_out_max_size, sub);
741
742 av_init_packet(&pkt);
743 pkt.stream_index = ost->index;
744 pkt.data = subtitle_out;
745 pkt.size = subtitle_out_size;
746 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);
747 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
748 /* XXX: the pts correction is handled here. Maybe handling
749 it in the codec would be better */
750 if (i == 0)
751 pkt.pts += 90 * sub->start_display_time;
752 else
753 pkt.pts += 90 * sub->end_display_time;
754 }
755 av_interleaved_write_frame(s, &pkt);
756 }
757 }
758
759 static int bit_buffer_size= 1024*256;
760 static uint8_t *bit_buffer= NULL;
761
762 static void do_video_out(AVFormatContext *s,
763 AVOutputStream *ost,
764 AVInputStream *ist,
765 AVFrame *in_picture,
766 int *frame_size)
767 {
768 int nb_frames, i, ret;
769 AVFrame *final_picture, *formatted_picture;
770 AVFrame picture_format_temp, picture_crop_temp;
771 uint8_t *buf = NULL, *buf1 = NULL;
772 AVCodecContext *enc, *dec;
773 enum PixelFormat target_pixfmt;
774
775 avcodec_get_frame_defaults(&picture_format_temp);
776 avcodec_get_frame_defaults(&picture_crop_temp);
777
778 enc = ost->st->codec;
779 dec = ist->st->codec;
780
781 /* by default, we output a single frame */
782 nb_frames = 1;
783
784 *frame_size = 0;
785
786 if(video_sync_method){
787 double vdelta;
788 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
789 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
790 if (vdelta < -1.1)
791 nb_frames = 0;
792 else if (vdelta > 1.1)
793 nb_frames = lrintf(vdelta);
794 //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);
795 if (nb_frames == 0){
796 ++nb_frames_drop;
797 if (verbose>2)
798 fprintf(stderr, "*** drop!\n");
799 }else if (nb_frames > 1) {
800 nb_frames_dup += nb_frames;
801 if (verbose>2)
802 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
803 }
804 }else
805 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
806
807 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
808 if (nb_frames <= 0)
809 return;
810
811 /* convert pixel format if needed */
812 target_pixfmt = ost->video_resample || ost->video_pad
813 ? PIX_FMT_YUV420P : enc->pix_fmt;
814 if (dec->pix_fmt != target_pixfmt) {
815 int size;
816
817 /* create temporary picture */
818 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
819 buf = av_malloc(size);
820 if (!buf)
821 return;
822 formatted_picture = &picture_format_temp;
823 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
824
825 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
826 (AVPicture *)in_picture, dec->pix_fmt,
827 dec->width, dec->height) < 0) {
828
829 if (verbose >= 0)
830 fprintf(stderr, "pixel format conversion not handled\n");
831
832 goto the_end;
833 }
834 } else {
835 formatted_picture = in_picture;
836 }
837
838 /* XXX: resampling could be done before raw format conversion in
839 some cases to go faster */
840 /* XXX: only works for YUV420P */
841 if (ost->video_resample) {
842 final_picture = &ost->pict_tmp;
843 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
844
845 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
846 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
847 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
848 padcolor);
849 }
850
851 if (enc->pix_fmt != PIX_FMT_YUV420P) {
852 int size;
853
854 av_free(buf);
855 /* create temporary picture */
856 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
857 buf = av_malloc(size);
858 if (!buf)
859 return;
860 final_picture = &picture_format_temp;
861 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
862
863 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
864 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
865 enc->width, enc->height) < 0) {
866
867 if (verbose >= 0)
868 fprintf(stderr, "pixel format conversion not handled\n");
869
870 goto the_end;
871 }
872 }
873 } else if (ost->video_crop) {
874 picture_crop_temp.data[0] = formatted_picture->data[0] +
875 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
876
877 picture_crop_temp.data[1] = formatted_picture->data[1] +
878 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
879 (ost->leftBand >> 1);
880
881 picture_crop_temp.data[2] = formatted_picture->data[2] +
882 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
883 (ost->leftBand >> 1);
884
885 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
886 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
887 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
888 final_picture = &picture_crop_temp;
889 } else if (ost->video_pad) {
890 final_picture = &ost->pict_tmp;
891
892 for (i = 0; i < 3; i++) {
893 uint8_t *optr, *iptr;
894 int shift = (i == 0) ? 0 : 1;
895 int y, yheight;
896
897 /* set offset to start writing image into */
898 optr = final_picture->data[i] + (((final_picture->linesize[i] *
899 ost->padtop) + ost->padleft) >> shift);
900 iptr = formatted_picture->data[i];
901
902 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
903 for (y = 0; y < yheight; y++) {
904 /* copy unpadded image row into padded image row */
905 memcpy(optr, iptr, formatted_picture->linesize[i]);
906 optr += final_picture->linesize[i];
907 iptr += formatted_picture->linesize[i];
908 }
909 }
910
911 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
912 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
913 padcolor);
914
915 if (enc->pix_fmt != PIX_FMT_YUV420P) {
916 int size;
917
918 av_free(buf);
919 /* create temporary picture */
920 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
921 buf = av_malloc(size);
922 if (!buf)
923 return;
924 final_picture = &picture_format_temp;
925 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
926
927 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
928 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
929 enc->width, enc->height) < 0) {
930
931 if (verbose >= 0)
932 fprintf(stderr, "pixel format conversion not handled\n");
933
934 goto the_end;
935 }
936 }
937 } else {
938 final_picture = formatted_picture;
939 }
940 /* duplicates frame if needed */
941 for(i=0;i<nb_frames;i++) {
942 AVPacket pkt;
943 av_init_packet(&pkt);
944 pkt.stream_index= ost->index;
945
946 if (s->oformat->flags & AVFMT_RAWPICTURE) {
947 /* raw pictures are written as AVPicture structure to
948 avoid any copies. We support temorarily the older
949 method. */
950 AVFrame* old_frame = enc->coded_frame;
951 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
952 pkt.data= (uint8_t *)final_picture;
953 pkt.size= sizeof(AVPicture);
954 if(dec->coded_frame)
955 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
956 if(dec->coded_frame && dec->coded_frame->key_frame)
957 pkt.flags |= PKT_FLAG_KEY;
958
959 av_interleaved_write_frame(s, &pkt);
960 enc->coded_frame = old_frame;
961 } else {
962 AVFrame big_picture;
963
964 big_picture= *final_picture;
965 /* better than nothing: use input picture interlaced
966 settings */
967 big_picture.interlaced_frame = in_picture->interlaced_frame;
968 if(do_interlace_me || do_interlace_dct){
969 if(top_field_first == -1)
970 big_picture.top_field_first = in_picture->top_field_first;
971 else
972 big_picture.top_field_first = top_field_first;
973 }
974
975 /* handles sameq here. This is not correct because it may
976 not be a global option */
977 if (same_quality) {
978 big_picture.quality = ist->st->quality;
979 }else
980 big_picture.quality = ost->st->quality;
981 if(!me_threshold)
982 big_picture.pict_type = 0;
983 // big_picture.pts = AV_NOPTS_VALUE;
984 big_picture.pts= ost->sync_opts;
985 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
986 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
987 ret = avcodec_encode_video(enc,
988 bit_buffer, bit_buffer_size,
989 &big_picture);
990 //enc->frame_number = enc->real_pict_num;
991 if(ret>0){
992 pkt.data= bit_buffer;
993 pkt.size= ret;
994 if(enc->coded_frame)
995 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
996 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
997 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
998 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
999
1000 if(enc->coded_frame && enc->coded_frame->key_frame)
1001 pkt.flags |= PKT_FLAG_KEY;
1002 av_interleaved_write_frame(s, &pkt);
1003 *frame_size = ret;
1004 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1005 // enc->frame_number-1, enc->real_pict_num, ret,
1006 // enc->pict_type);
1007 /* if two pass, output log */
1008 if (ost->logfile && enc->stats_out) {
1009 fprintf(ost->logfile, "%s", enc->stats_out);
1010 }
1011 }
1012 }
1013 ost->sync_opts++;
1014 ost->frame_number++;
1015 }
1016 the_end:
1017 av_free(buf);
1018 av_free(buf1);
1019 }
1020
1021 static double psnr(double d){
1022 if(d==0) return INFINITY;
1023 return -10.0*log(d)/log(10.0);
1024 }
1025
1026 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1027 int frame_size)
1028 {
1029 static FILE *fvstats=NULL;
1030 char filename[40];
1031 time_t today2;
1032 struct tm *today;
1033 AVCodecContext *enc;
1034 int frame_number;
1035 int64_t ti;
1036 double ti1, bitrate, avg_bitrate;
1037
1038 if (!fvstats) {
1039 today2 = time(NULL);
1040 today = localtime(&today2);
1041 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1042 today->tm_min,
1043 today->tm_sec);
1044 fvstats = fopen(filename,"w");
1045 if (!fvstats) {
1046 perror("fopen");
1047 exit(1);
1048 }
1049 }
1050
1051 ti = MAXINT64;
1052 enc = ost->st->codec;
1053 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1054 frame_number = ost->frame_number;
1055 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1056 if (enc->flags&CODEC_FLAG_PSNR)
1057 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1058
1059 fprintf(fvstats,"f_size= %6d ", frame_size);
1060 /* compute pts value */
1061 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1062 if (ti1 < 0.01)
1063 ti1 = 0.01;
1064
1065 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1066 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1067 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1068 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1069 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1070 }
1071 }
1072
1073 static void print_report(AVFormatContext **output_files,
1074 AVOutputStream **ost_table, int nb_ostreams,
1075 int is_last_report)
1076 {
1077 char buf[1024];
1078 AVOutputStream *ost;
1079 AVFormatContext *oc, *os;
1080 int64_t total_size;
1081 AVCodecContext *enc;
1082 int frame_number, vid, i;
1083 double bitrate, ti1, pts;
1084 static int64_t last_time = -1;
1085
1086 if (!is_last_report) {
1087 int64_t cur_time;
1088 /* display the report every 0.5 seconds */
1089 cur_time = av_gettime();
1090 if (last_time == -1) {
1091 last_time = cur_time;
1092 return;
1093 }
1094 if ((cur_time - last_time) < 500000)
1095 return;
1096 last_time = cur_time;
1097 }
1098
1099
1100 oc = output_files[0];
1101
1102 total_size = url_ftell(&oc->pb);
1103
1104 buf[0] = '\0';
1105 ti1 = 1e10;
1106 vid = 0;
1107 for(i=0;i<nb_ostreams;i++) {
1108 ost = ost_table[i];
1109 os = output_files[ost->file_index];
1110 enc = ost->st->codec;
1111 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1113 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1114 }
1115 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1116 frame_number = ost->frame_number;
1117 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1118 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1119 if(is_last_report)
1120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1121 if (enc->flags&CODEC_FLAG_PSNR){
1122 int j;
1123 double error, error_sum=0;
1124 double scale, scale_sum=0;
1125 char type[3]= {'Y','U','V'};
1126 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1127 for(j=0; j<3; j++){
1128 if(is_last_report){
1129 error= enc->error[j];
1130 scale= enc->width*enc->height*255.0*255.0*frame_number;
1131 }else{
1132 error= enc->coded_frame->error[j];
1133 scale= enc->width*enc->height*255.0*255.0;
1134 }
1135 if(j) scale/=4;
1136 error_sum += error;
1137 scale_sum += scale;
1138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1139 }
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1141 }
1142 vid = 1;
1143 }
1144 /* compute min output value */
1145 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1146 if ((pts < ti1) && (pts > 0))
1147 ti1 = pts;
1148 }
1149 if (ti1 < 0.01)
1150 ti1 = 0.01;
1151
1152 if (verbose || is_last_report) {
1153 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1154
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1156 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1157 (double)total_size / 1024, ti1, bitrate);
1158
1159 if (verbose > 1)
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1161 nb_frames_dup, nb_frames_drop);
1162
1163 if (verbose >= 0)
1164 fprintf(stderr, "%s \r", buf);
1165
1166 fflush(stderr);
1167 }
1168
1169 if (is_last_report && verbose >= 0){
1170 int64_t raw= audio_size + video_size + extra_size;
1171 fprintf(stderr, "\n");
1172 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1173 video_size/1024.0,
1174 audio_size/1024.0,
1175 extra_size/1024.0,
1176 100.0*(total_size - raw)/raw
1177 );
1178 }
1179 }
1180
1181 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1182 static int output_packet(AVInputStream *ist, int ist_index,
1183 AVOutputStream **ost_table, int nb_ostreams,
1184 const AVPacket *pkt)
1185 {
1186 AVFormatContext *os;
1187 AVOutputStream *ost;
1188 uint8_t *ptr;
1189 int len, ret, i;
1190 uint8_t *data_buf;
1191 int data_size, got_picture;
1192 AVFrame picture;
1193 void *buffer_to_free;
1194 static int samples_size= 0;
1195 static short *samples= NULL;
1196 AVSubtitle subtitle, *subtitle_to_free;
1197 int got_subtitle;
1198
1199 if(!pkt){
1200 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1201 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1202 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1203 } else {
1204 // assert(ist->pts == ist->next_pts);
1205 }
1206
1207 if (pkt == NULL) {
1208 /* EOF handling */
1209 ptr = NULL;
1210 len = 0;
1211 goto handle_eof;
1212 }
1213
1214 len = pkt->size;
1215 ptr = pkt->data;
1216 while (len > 0) {
1217 handle_eof:
1218 /* decode the packet if needed */
1219 data_buf = NULL; /* fail safe */
1220 data_size = 0;
1221 subtitle_to_free = NULL;
1222 if (ist->decoding_needed) {
1223 switch(ist->st->codec->codec_type) {
1224 case CODEC_TYPE_AUDIO:{
1225 if(pkt)
1226 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1227 /* XXX: could avoid copy if PCM 16 bits with same
1228 endianness as CPU */
1229 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1230 ptr, len);
1231 if (ret < 0)
1232 goto fail_decode;
1233 ptr += ret;
1234 len -= ret;
1235 /* Some bug in mpeg audio decoder gives */
1236 /* data_size < 0, it seems they are overflows */
1237 if (data_size <= 0) {
1238 /* no audio frame */
1239 continue;
1240 }
1241 data_buf = (uint8_t *)samples;
1242 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1243 (ist->st->codec->sample_rate * ist->st->codec->channels);
1244 break;}
1245 case CODEC_TYPE_VIDEO:
1246 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1247 /* XXX: allocate picture correctly */
1248 avcodec_get_frame_defaults(&picture);
1249
1250 ret = avcodec_decode_video(ist->st->codec,
1251 &picture, &got_picture, ptr, len);
1252 ist->st->quality= picture.quality;
1253 if (ret < 0)
1254 goto fail_decode;
1255 if (!got_picture) {
1256 /* no picture yet */
1257 goto discard_packet;
1258 }
1259 if (ist->st->codec->time_base.num != 0) {
1260 ist->next_pts += ((int64_t)AV_TIME_BASE *
1261 ist->st->codec->time_base.num) /
1262 ist->st->codec->time_base.den;
1263 }
1264 len = 0;
1265 break;
1266 case CODEC_TYPE_SUBTITLE:
1267 ret = avcodec_decode_subtitle(ist->st->codec,
1268 &subtitle, &got_subtitle, ptr, len);
1269 if (ret < 0)
1270 goto fail_decode;
1271 if (!got_subtitle) {
1272 goto discard_packet;
1273 }
1274 subtitle_to_free = &subtitle;
1275 len = 0;
1276 break;
1277 default:
1278 goto fail_decode;
1279 }
1280 } else {
1281 switch(ist->st->codec->codec_type) {
1282 case CODEC_TYPE_AUDIO:
1283 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1284 (ist->st->codec->sample_rate * ist->st->codec->channels);
1285 break;
1286 case CODEC_TYPE_VIDEO:
1287 if (ist->st->codec->time_base.num != 0) {
1288 ist->next_pts += ((int64_t)AV_TIME_BASE *
1289 ist->st->codec->time_base.num) /
1290 ist->st->codec->time_base.den;
1291 }
1292 break;
1293 }
1294 data_buf = ptr;
1295 data_size = len;
1296 ret = len;
1297 len = 0;
1298 }
1299
1300 buffer_to_free = NULL;
1301 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1302 pre_process_video_frame(ist, (AVPicture *)&picture,
1303 &buffer_to_free);
1304 }
1305
1306 // preprocess audio (volume)
1307 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1308 if (audio_volume != 256) {
1309 short *volp;
1310 volp = samples;
1311 for(i=0;i<(data_size / sizeof(short));i++) {
1312 int v = ((*volp) * audio_volume + 128) >> 8;
1313 if (v < -32768) v = -32768;
1314 if (v > 32767) v = 32767;
1315 *volp++ = v;
1316 }
1317 }
1318 }
1319
1320 /* frame rate emulation */
1321 if (ist->st->codec->rate_emu) {
1322 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1323 int64_t now = av_gettime() - ist->start;
1324 if (pts > now)
1325 usleep(pts - now);
1326
1327 ist->frame++;
1328 }
1329
1330 #if 0
1331 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1332 is the one of the next displayed one */
1333 /* XXX: add mpeg4 too ? */
1334 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1335 if (ist->st->codec->pict_type != B_TYPE) {
1336 int64_t tmp;
1337 tmp = ist->last_ip_pts;
1338 ist->last_ip_pts = ist->frac_pts.val;
1339 ist->frac_pts.val = tmp;
1340 }
1341 }
1342 #endif
1343 /* if output time reached then transcode raw format,
1344 encode packets and output them */
1345 if (start_time == 0 || ist->pts >= start_time)
1346 for(i=0;i<nb_ostreams;i++) {
1347 int frame_size;
1348
1349 ost = ost_table[i];
1350 if (ost->source_index == ist_index) {
1351 os = output_files[ost->file_index];
1352
1353 #if 0
1354 printf("%d: got pts=%0.3f %0.3f\n", i,
1355 (double)pkt->pts / AV_TIME_BASE,
1356 ((double)ist->pts / AV_TIME_BASE) -
1357 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1358 #endif
1359 /* set the input output pts pairs */
1360 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1361
1362 if (ost->encoding_needed) {
1363 switch(ost->st->codec->codec_type) {
1364 case CODEC_TYPE_AUDIO:
1365 do_audio_out(os, ost, ist, data_buf, data_size);
1366 break;
1367 case CODEC_TYPE_VIDEO:
1368 do_video_out(os, ost, ist, &picture, &frame_size);
1369 video_size += frame_size;
1370 if (do_vstats && frame_size)
1371 do_video_stats(os, ost, frame_size);
1372 break;
1373 case CODEC_TYPE_SUBTITLE:
1374 do_subtitle_out(os, ost, ist, &subtitle,
1375 pkt->pts);
1376 break;
1377 default:
1378 av_abort();
1379 }
1380 } else {
1381 AVFrame avframe; //FIXME/XXX remove this
1382 AVPacket opkt;
1383 av_init_packet(&opkt);
1384
1385 /* no reencoding needed : output the packet directly */
1386 /* force the input stream PTS */
1387
1388 avcodec_get_frame_defaults(&avframe);
1389 ost->st->codec->coded_frame= &avframe;
1390 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1391
1392 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1393 audio_size += data_size;
1394 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1395 video_size += data_size;
1396 ost->sync_opts++;
1397 }
1398
1399 opkt.stream_index= ost->index;
1400 if(pkt->pts != AV_NOPTS_VALUE)
1401 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);
1402 else
1403 opkt.pts= AV_NOPTS_VALUE;
1404
1405 {
1406 int64_t dts;
1407 if (pkt->dts == AV_NOPTS_VALUE)
1408 dts = ist->next_pts;
1409 else
1410 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1411 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1412 }
1413 opkt.flags= pkt->flags;
1414 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1415 opkt.destruct= av_destruct_packet;
1416 av_interleaved_write_frame(os, &opkt);
1417 ost->st->codec->frame_number++;
1418 ost->frame_number++;
1419 av_free_packet(&opkt);
1420 }
1421 }
1422 }
1423 av_free(buffer_to_free);
1424 /* XXX: allocate the subtitles in the codec ? */
1425 if (subtitle_to_free) {
1426 if (subtitle_to_free->rects != NULL) {
1427 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1428 av_free(subtitle_to_free->rects[i].bitmap);
1429 av_free(subtitle_to_free->rects[i].rgba_palette);
1430 }
1431 av_freep(&subtitle_to_free->rects);
1432 }
1433 subtitle_to_free->num_rects = 0;
1434 subtitle_to_free = NULL;
1435 }
1436 }
1437 discard_packet:
1438 if (pkt == NULL) {
1439 /* EOF handling */
1440
1441 for(i=0;i<nb_ostreams;i++) {
1442 ost = ost_table[i];
1443 if (ost->source_index == ist_index) {
1444 AVCodecContext *enc= ost->st->codec;
1445 os = output_files[ost->file_index];
1446
1447 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1448 continue;
1449 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1450 continue;
1451
1452 if (ost->encoding_needed) {
1453 for(;;) {
1454 AVPacket pkt;
1455 av_init_packet(&pkt);
1456 pkt.stream_index= ost->index;
1457
1458 switch(ost->st->codec->codec_type) {
1459 case CODEC_TYPE_AUDIO:
1460 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1461 audio_size += ret;
1462 pkt.flags |= PKT_FLAG_KEY;
1463 break;
1464 case CODEC_TYPE_VIDEO:
1465 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1466 video_size += ret;
1467 if(enc->coded_frame && enc->coded_frame->key_frame)
1468 pkt.flags |= PKT_FLAG_KEY;
1469 if (ost->logfile && enc->stats_out) {
1470 fprintf(ost->logfile, "%s", enc->stats_out);
1471 }
1472 break;
1473 default:
1474 ret=-1;
1475 }
1476
1477 if(ret<=0)
1478 break;
1479 pkt.data= bit_buffer;
1480 pkt.size= ret;
1481 if(enc->coded_frame)
1482 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1483 av_interleaved_write_frame(os, &pkt);
1484 }
1485 }
1486 }
1487 }
1488 }
1489
1490 return 0;
1491 fail_decode:
1492 return -1;
1493 }
1494
1495
1496 /*
1497 * The following code is the main loop of the file converter
1498 */
1499 static int av_encode(AVFormatContext **output_files,
1500 int nb_output_files,
1501 AVFormatContext **input_files,
1502 int nb_input_files,
1503 AVStreamMap *stream_maps, int nb_stream_maps)
1504 {
1505 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1506 AVFormatContext *is, *os;
1507 AVCodecContext *codec, *icodec;
1508 AVOutputStream *ost, **ost_table = NULL;
1509 AVInputStream *ist, **ist_table = NULL;
1510 AVInputFile *file_table;
1511 AVFormatContext *stream_no_data;
1512 int key;
1513
1514 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1515 if (!file_table)
1516 goto fail;
1517
1518 /* input stream init */
1519 j = 0;
1520 for(i=0;i<nb_input_files;i++) {
1521 is = input_files[i];
1522 file_table[i].ist_index = j;
1523 file_table[i].nb_streams = is->nb_streams;
1524 j += is->nb_streams;
1525 }
1526 nb_istreams = j;
1527
1528 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1529 if (!ist_table)
1530 goto fail;
1531
1532 for(i=0;i<nb_istreams;i++) {
1533 ist = av_mallocz(sizeof(AVInputStream));
1534 if (!ist)
1535 goto fail;
1536 ist_table[i] = ist;
1537 }
1538 j = 0;
1539 for(i=0;i<nb_input_files;i++) {
1540 is = input_files[i];
1541 for(k=0;k<is->nb_streams;k++) {
1542 ist = ist_table[j++];
1543 ist->st = is->streams[k];
1544 ist->file_index = i;
1545 ist->index = k;
1546 ist->discard = 1; /* the stream is discarded by default
1547 (changed later) */
1548
1549 if (ist->st->codec->rate_emu) {
1550 ist->start = av_gettime();
1551 ist->frame = 0;
1552 }
1553 }
1554 }
1555
1556 /* output stream init */
1557 nb_ostreams = 0;
1558 for(i=0;i<nb_output_files;i++) {
1559 os = output_files[i];
1560 nb_ostreams += os->nb_streams;
1561 }
1562 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1563 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1564 exit(1);
1565 }
1566
1567 /* Sanity check the mapping args -- do the input files & streams exist? */
1568 for(i=0;i<nb_stream_maps;i++) {
1569 int fi = stream_maps[i].file_index;
1570 int si = stream_maps[i].stream_index;
1571
1572 if (fi < 0 || fi > nb_input_files - 1 ||
1573 si < 0 || si > file_table[fi].nb_streams - 1) {
1574 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1575 exit(1);
1576 }
1577 fi = stream_maps[i].sync_file_index;
1578 si = stream_maps[i].sync_stream_index;
1579 if (fi < 0 || fi > nb_input_files - 1 ||
1580 si < 0 || si > file_table[fi].nb_streams - 1) {
1581 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1582 exit(1);
1583 }
1584 }
1585
1586 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1587 if (!ost_table)
1588 goto fail;
1589 for(i=0;i<nb_ostreams;i++) {
1590 ost = av_mallocz(sizeof(AVOutputStream));
1591 if (!ost)
1592 goto fail;
1593 ost_table[i] = ost;
1594 }
1595
1596 n = 0;
1597 for(k=0;k<nb_output_files;k++) {
1598 os = output_files[k];
1599 for(i=0;i<os->nb_streams;i++) {
1600 int found;
1601 ost = ost_table[n++];
1602 ost->file_index = k;
1603 ost->index = i;
1604 ost->st = os->streams[i];
1605 if (nb_stream_maps > 0) {
1606 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1607 stream_maps[n-1].stream_index;
1608
1609 /* Sanity check that the stream types match */
1610 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1611 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1612 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1613 ost->file_index, ost->index);
1614 exit(1);
1615 }
1616
1617 } else {
1618 /* get corresponding input stream index : we select the first one with the right type */
1619 found = 0;
1620 for(j=0;j<nb_istreams;j++) {
1621 ist = ist_table[j];
1622 if (ist->discard &&
1623 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1624 ost->source_index = j;
1625 found = 1;
1626 break;
1627 }
1628 }
1629
1630 if (!found) {
1631 /* try again and reuse existing stream */
1632 for(j=0;j<nb_istreams;j++) {
1633 ist = ist_table[j];
1634 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1635 ost->source_index = j;
1636 found = 1;
1637 }
1638 }
1639 if (!found) {
1640 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1641 ost->file_index, ost->index);
1642 exit(1);
1643 }
1644 }
1645 }
1646 ist = ist_table[ost->source_index];
1647 ist->discard = 0;
1648 ost->sync_ist = (nb_stream_maps > 0) ?
1649 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1650 stream_maps[n-1].sync_stream_index] : ist;
1651 }
1652 }
1653
1654 /* for each output stream, we compute the right encoding parameters */
1655 for(i=0;i<nb_ostreams;i++) {
1656 ost = ost_table[i];
1657 ist = ist_table[ost->source_index];
1658
1659 codec = ost->st->codec;
1660 icodec = ist->st->codec;
1661
1662 if (ost->st->stream_copy) {
1663 /* if stream_copy is selected, no need to decode or encode */
1664 codec->codec_id = icodec->codec_id;
1665 codec->codec_type = icodec->codec_type;
1666 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1667 codec->bit_rate = icodec->bit_rate;
1668 codec->extradata= icodec->extradata;
1669 codec->extradata_size= icodec->extradata_size;
1670 switch(codec->codec_type) {
1671 case CODEC_TYPE_AUDIO:
1672 codec->sample_rate = icodec->sample_rate;
1673 codec->channels = icodec->channels;
1674 codec->frame_size = icodec->frame_size;
1675 codec->block_align= icodec->block_align;
1676 break;
1677 case CODEC_TYPE_VIDEO:
1678 codec->time_base = icodec->time_base;
1679 codec->width = icodec->width;
1680 codec->height = icodec->height;
1681 codec->has_b_frames = icodec->has_b_frames;
1682 break;
1683 case CODEC_TYPE_SUBTITLE:
1684 break;
1685 default:
1686 av_abort();
1687 }
1688 } else {
1689 switch(codec->codec_type) {
1690 case CODEC_TYPE_AUDIO:
1691 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1692 goto fail;
1693
1694 if (codec->channels == icodec->channels &&
1695 codec->sample_rate == icodec->sample_rate) {
1696 ost->audio_resample = 0;
1697 } else {
1698 if (codec->channels != icodec->channels &&
1699 (icodec->codec_id == CODEC_ID_AC3 ||
1700 icodec->codec_id == CODEC_ID_DTS)) {
1701 /* Special case for 5:1 AC3 and DTS input */
1702 /* and mono or stereo output */
1703 /* Request specific number of channels */
1704 icodec->channels = codec->channels;
1705 if (codec->sample_rate == icodec->sample_rate)
1706 ost->audio_resample = 0;
1707 else {
1708 ost->audio_resample = 1;
1709 }
1710 } else {
1711 ost->audio_resample = 1;
1712 }
1713 }
1714 if(audio_sync_method>1)
1715 ost->audio_resample = 1;
1716
1717 if(ost->audio_resample){
1718 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1719 codec->sample_rate, icodec->sample_rate);
1720 if(!ost->resample){
1721 printf("Can't resample. Aborting.\n");
1722 av_abort();
1723 }
1724 }
1725 ist->decoding_needed = 1;
1726 ost->encoding_needed = 1;
1727 break;
1728 case CODEC_TYPE_VIDEO:
1729 if (codec->width == icodec->width &&
1730 codec->height == icodec->height &&
1731 frame_topBand == 0 &&
1732 frame_bottomBand == 0 &&
1733 frame_leftBand == 0 &&
1734 frame_rightBand == 0 &&
1735 frame_padtop == 0 &&
1736 frame_padbottom == 0 &&
1737 frame_padleft == 0 &&
1738 frame_padright == 0)
1739 {
1740 ost->video_resample = 0;
1741 ost->video_crop = 0;
1742 ost->video_pad = 0;
1743 } else if ((codec->width == icodec->width -
1744 (frame_leftBand + frame_rightBand)) &&
1745 (codec->height == icodec->height -
1746 (frame_topBand + frame_bottomBand)))
1747 {
1748 ost->video_resample = 0;
1749 ost->video_crop = 1;
1750 ost->topBand = frame_topBand;
1751 ost->leftBand = frame_leftBand;
1752 } else if ((codec->width == icodec->width +
1753 (frame_padleft + frame_padright)) &&
1754 (codec->height == icodec->height +
1755 (frame_padtop + frame_padbottom))) {
1756 ost->video_resample = 0;
1757 ost->video_crop = 0;
1758 ost->video_pad = 1;
1759 ost->padtop = frame_padtop;
1760 ost->padleft = frame_padleft;
1761 ost->padbottom = frame_padbottom;
1762 ost->padright = frame_padright;
1763 avcodec_get_frame_defaults(&ost->pict_tmp);
1764 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1765 codec->width, codec->height ) )
1766 goto fail;
1767 } else {
1768 ost->video_resample = 1;
1769 ost->video_crop = 0; // cropping is handled as part of resample
1770 avcodec_get_frame_defaults(&ost->pict_tmp);
1771 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1772 codec->width, codec->height ) )
1773 goto fail;
1774
1775 ost->img_resample_ctx = img_resample_full_init(
1776 ost->st->codec->width, ost->st->codec->height,
1777 ist->st->codec->width, ist->st->codec->height,
1778 frame_topBand, frame_bottomBand,
1779 frame_leftBand, frame_rightBand,
1780 frame_padtop, frame_padbottom,
1781 frame_padleft, frame_padright);
1782
1783 ost->padtop = frame_padtop;
1784 ost->padleft = frame_padleft;
1785 ost->padbottom = frame_padbottom;
1786 ost->padright = frame_padright;
1787
1788 }
1789 ost->encoding_needed = 1;
1790 ist->decoding_needed = 1;
1791 break;
1792 case CODEC_TYPE_SUBTITLE:
1793 ost->encoding_needed = 1;
1794 ist->decoding_needed = 1;
1795 break;
1796 default:
1797 av_abort();
1798 break;
1799 }
1800 /* two pass mode */
1801 if (ost->encoding_needed &&
1802 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1803 char logfilename[1024];
1804 FILE *f;
1805 int size;
1806 char *logbuffer;
1807
1808 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1809 pass_logfilename ?
1810 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1811 if (codec->flags & CODEC_FLAG_PASS1) {
1812 f = fopen(logfilename, "w");
1813 if (!f) {
1814 perror(logfilename);
1815 exit(1);
1816 }
1817 ost->logfile = f;
1818 } else {
1819 /* read the log file */
1820 f = fopen(logfilename, "r");
1821 if (!f) {
1822 perror(logfilename);
1823 exit(1);
1824 }
1825 fseek(f, 0, SEEK_END);
1826 size = ftell(f);
1827 fseek(f, 0, SEEK_SET);
1828 logbuffer = av_malloc(size + 1);
1829 if (!logbuffer) {
1830 fprintf(stderr, "Could not allocate log buffer\n");
1831 exit(1);
1832 }
1833 size = fread(logbuffer, 1, size, f);
1834 fclose(f);
1835 logbuffer[size] = '\0';
1836 codec->stats_in = logbuffer;
1837 }
1838 }
1839 }
1840 if(codec->codec_type == CODEC_TYPE_VIDEO){
1841 int size= codec->width * codec->height;
1842 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1843 }
1844 }
1845
1846 if (!bit_buffer)
1847 bit_buffer = av_malloc(bit_buffer_size);
1848 if (!bit_buffer)
1849 goto fail;
1850
1851 /* dump the file output parameters - cannot be done before in case
1852 of stream copy */
1853 for(i=0;i<nb_output_files;i++) {
1854 dump_format(output_files[i], i, output_files[i]->filename, 1);
1855 }
1856
1857 /* dump the stream mapping */
1858 if (verbose >= 0) {
1859 fprintf(stderr, "Stream mapping:\n");
1860 for(i=0;i<nb_ostreams;i++) {
1861 ost = ost_table[i];
1862 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1863 ist_table[ost->source_index]->file_index,
1864 ist_table[ost->source_index]->index,
1865 ost->file_index,
1866 ost->index);
1867 if (ost->sync_ist != ist_table[ost->source_index])
1868 fprintf(stderr, " [sync #%d.%d]",
1869 ost->sync_ist->file_index,
1870 ost->sync_ist->index);
1871 fprintf(stderr, "\n");
1872 }
1873 }
1874
1875 /* open each encoder */
1876 for(i=0;i<nb_ostreams;i++) {
1877 ost = ost_table[i];
1878 if (ost->encoding_needed) {
1879 AVCodec *codec;
1880 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1881 if (!codec) {
1882 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1883 ost->file_index, ost->index);
1884 exit(1);
1885 }
1886 if (avcodec_open(ost->st->codec, codec) < 0) {
1887 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1888 ost->file_index, ost->index);
1889 exit(1);
1890 }
1891 extra_size += ost->st->codec->extradata_size;
1892 }
1893 }
1894
1895 /* open each decoder */
1896 for(i=0;i<nb_istreams;i++) {
1897 ist = ist_table[i];
1898 if (ist->decoding_needed) {
1899 AVCodec *codec;
1900 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1901 if (!codec) {
1902 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1903 ist->st->codec->codec_id, ist->file_index, ist->index);
1904 exit(1);
1905 }
1906 if (avcodec_open(ist->st->codec, codec) < 0) {
1907 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1908 ist->file_index, ist->index);
1909 exit(1);
1910 }
1911 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1912 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1913 }
1914 }
1915
1916 /* init pts */
1917 for(i=0;i<nb_istreams;i++) {
1918 ist = ist_table[i];
1919 is = input_files[ist->file_index];
1920 ist->pts = 0;
1921 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1922 if(ist->st->start_time == AV_NOPTS_VALUE)
1923 ist->next_pts=0;
1924 if(input_files_ts_offset[ist->file_index])
1925 ist->next_pts= AV_NOPTS_VALUE;
1926 ist->is_start = 1;
1927 }
1928
1929 /* compute buffer size max (should use a complete heuristic) */
1930 for(i=0;i<nb_input_files;i++) {
1931 file_table[i].buffer_size_max = 2048;
1932 }
1933
1934 /* set meta data information from input file if required */
1935 for (i=0;i<nb_meta_data_maps;i++) {
1936 AVFormatContext *out_file;
1937 AVFormatContext *in_file;
1938
1939 int out_file_index = meta_data_maps[i].out_file;
1940 int in_file_index = meta_data_maps[i].in_file;
1941 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1942 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1943 ret = -EINVAL;
1944 goto fail;
1945 }
1946 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1947 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1948 ret = -EINVAL;
1949 goto fail;
1950 }
1951
1952 out_file = output_files[out_file_index];
1953 in_file = input_files[in_file_index];
1954
1955 strcpy(out_file->title, in_file->title);
1956 strcpy(out_file->author, in_file->author);
1957 strcpy(out_file->copyright, in_file->copyright);
1958 strcpy(out_file->comment, in_file->comment);
1959 strcpy(out_file->album, in_file->album);
1960 out_file->year = in_file->year;
1961 out_file->track = in_file->track;
1962 strcpy(out_file->genre, in_file->genre);
1963 }
1964
1965 /* open files and write file headers */
1966 for(i=0;i<nb_output_files;i++) {
1967 os = output_files[i];
1968 if (av_write_header(os) < 0) {
1969 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1970 ret = -EINVAL;
1971 goto fail;
1972 }
1973 }
1974
1975 #ifndef CONFIG_WIN32
1976 if ( !using_stdin && verbose >= 0) {
1977 fprintf(stderr, "Press [q] to stop encoding\n");
1978 url_set_interrupt_cb(decode_interrupt_cb);
1979 }
1980 #endif
1981 term_init();
1982
1983 stream_no_data = 0;
1984 key = -1;
1985
1986 for(; received_sigterm == 0;) {
1987 int file_index, ist_index;
1988 AVPacket pkt;
1989 double ipts_min;
1990 double opts_min;
1991
1992 redo:
1993 ipts_min= 1e100;
1994 opts_min= 1e100;
1995 /* if 'q' pressed, exits */
1996 if (!using_stdin) {
1997 if (q_pressed)
1998 break;
1999 /* read_key() returns 0 on EOF */
2000 key = read_key();
2001 if (key == 'q')
2002 break;
2003 }
2004
2005 /* select the stream that we must read now by looking at the
2006 smallest output pts */
2007 file_index = -1;
2008 for(i=0;i<nb_ostreams;i++) {
2009 double ipts, opts;
2010 ost = ost_table[i];
2011 os = output_files[ost->file_index];
2012 ist = ist_table[ost->source_index];
2013 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2014 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2015 else
2016 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2017 ipts = (double)ist->pts;
2018 if (!file_table[ist->file_index].eof_reached){
2019 if(ipts < ipts_min) {
2020 ipts_min = ipts;
2021 if(input_sync ) file_index = ist->file_index;
2022 }
2023 if(opts < opts_min) {
2024 opts_min = opts;
2025 if(!input_sync) file_index = ist->file_index;
2026 }
2027 }
2028 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2029 file_index= -1;
2030 break;
2031 }
2032 }
2033 /* if none, if is finished */
2034 if (file_index < 0) {
2035 break;
2036 }
2037
2038 /* finish if recording time exhausted */
2039 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2040 break;
2041
2042 /* finish if limit size exhausted */
2043 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2044 break;
2045
2046 /* read a frame from it and output it in the fifo */
2047 is = input_files[file_index];
2048 if (av_read_frame(is, &pkt) < 0) {
2049 file_table[file_index].eof_reached = 1;
2050 if (opt_shortest) break; else continue; //
2051 }
2052
2053 if (!pkt.size) {
2054 stream_no_data = is;
2055 } else {
2056 stream_no_data = 0;
2057 }
2058 if (do_pkt_dump) {
2059 av_pkt_dump(stdout, &pkt, do_hex_dump);
2060 }
2061 /* the following test is needed in case new streams appear
2062 dynamically in stream : we ignore them */
2063 if (pkt.stream_index >= file_table[file_index].nb_streams)
2064 goto discard_packet;
2065 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2066 ist = ist_table[ist_index];
2067 if (ist->discard)
2068 goto discard_packet;
2069
2070 // 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);
2071 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2072 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2073 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2074 input_files_ts_offset[ist->file_index]-= delta;
2075 if (verbose > 2)
2076 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
2077 for(i=0; i<file_table[file_index].nb_streams; i++){
2078 int index= file_table[file_index].ist_index + i;
2079 ist_table[index]->next_pts += delta;
2080 ist_table[index]->is_start=1;
2081 }
2082 }
2083 }
2084
2085 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2086 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2087
2088 if (verbose >= 0)
2089 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2090 ist->file_index, ist->index);
2091
2092 av_free_packet(&pkt);
2093 goto redo;
2094 }
2095
2096 discard_packet:
2097 av_free_packet(&pkt);
2098
2099 /* dump report by using the output first video and audio streams */
2100 print_report(output_files, ost_table, nb_ostreams, 0);
2101 }
2102
2103 /* at the end of stream, we must flush the decoder buffers */
2104 for(i=0;i<nb_istreams;i++) {
2105 ist = ist_table[i];
2106 if (ist->decoding_needed) {
2107 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2108 }
2109 }
2110
2111 term_exit();
2112
2113 /* write the trailer if needed and close file */
2114 for(i=0;i<nb_output_files;i++) {
2115 os = output_files[i];
2116 av_write_trailer(os);
2117 }
2118
2119 /* dump report by using the first video and audio streams */
2120 print_report(output_files, ost_table, nb_ostreams, 1);
2121
2122 /* close each encoder */
2123 for(i=0;i<nb_ostreams;i++) {
2124 ost = ost_table[i];
2125 if (ost->encoding_needed) {
2126 av_freep(&ost->st->codec->stats_in);
2127 avcodec_close(ost->st->codec);
2128 }
2129 }
2130
2131 /* close each decoder */
2132 for(i=0;i<nb_istreams;i++) {
2133 ist = ist_table[i];
2134 if (ist->decoding_needed) {
2135 avcodec_close(ist->st->codec);
2136 }
2137 }
2138
2139 /* finished ! */
2140
2141 ret = 0;
2142 fail1:
2143 av_freep(&bit_buffer);
2144 av_free(file_table);
2145
2146 if (ist_table) {
2147 for(i=0;i<nb_istreams;i++) {
2148 ist = ist_table[i];
2149 av_free(ist);
2150 }
2151 av_free(ist_table);
2152 }
2153 if (ost_table) {
2154 for(i=0;i<nb_ostreams;i++) {
2155 ost = ost_table[i];
2156 if (ost) {
2157 if (ost->logfile) {
2158 fclose(ost->logfile);
2159 ost->logfile = NULL;
2160 }
2161 fifo_free(&ost->fifo); /* works even if fifo is not
2162 initialized but set to zero */
2163 av_free(ost->pict_tmp.data[0]);
2164 if (ost->video_resample)
2165 img_resample_close(ost->img_resample_ctx);
2166 if (ost->audio_resample)
2167 audio_resample_close(ost->resample);
2168 av_free(ost);
2169 }
2170 }
2171 av_free(ost_table);
2172 }
2173 return ret;
2174 fail:
2175 ret = -ENOMEM;
2176 goto fail1;
2177 }
2178
2179 #if 0
2180 int file_read(const char *filename)
2181 {
2182 URLContext *h;
2183 unsigned char buffer[1024];
2184 int len, i;
2185
2186 if (url_open(&h, filename, O_RDONLY) < 0) {
2187 printf("could not open '%s'\n", filename);
2188 return -1;
2189 }
2190 for(;;) {
2191 len = url_read(h, buffer, sizeof(buffer));
2192 if (len <= 0)
2193 break;
2194 for(i=0;i<len;i++) putchar(buffer[i]);
2195 }
2196 url_close(h);
2197 return 0;
2198 }
2199 #endif
2200
2201 static void opt_image_format(const char *arg)
2202 {
2203 AVImageFormat *f;
2204
2205 for(f = first_image_format; f != NULL; f = f->next) {
2206 if (!strcmp(arg, f->name))
2207 break;
2208 }
2209 if (!f) {
2210 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2211 exit(1);
2212 }
2213 image_format = f;
2214 }
2215
2216 static void opt_format(const char *arg)
2217 {
2218 /* compatibility stuff for pgmyuv */
2219 if (!strcmp(arg, "pgmyuv")) {
2220 pgmyuv_compatibility_hack=1;
2221 // opt_image_format(arg);
2222 arg = "image2";
2223 }
2224
2225 file_iformat = av_find_input_format(arg);
2226 file_oformat = guess_format(arg, NULL, NULL);
2227 if (!file_iformat && !file_oformat) {
2228 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2229 exit(1);
2230 }
2231 }
2232
2233 static void opt_video_bitrate(const char *arg)
2234 {
2235 video_bit_rate = atoi(arg) * 1000;
2236 }
2237
2238 static void opt_video_bitrate_tolerance(const char *arg)
2239 {
2240 video_bit_rate_tolerance = atoi(arg) * 1000;
2241 }
2242
2243 static void opt_video_bitrate_max(const char *arg)
2244 {
2245 video_rc_max_rate = atoi(arg) * 1000;
2246 }
2247
2248 static void opt_video_bitrate_min(const char *arg)
2249 {
2250 video_rc_min_rate = atoi(arg) * 1000;
2251 }
2252
2253 static void opt_video_buffer_size(const char *arg)
2254 {
2255 video_rc_buffer_size = atoi(arg) * 8*1024;
2256 }
2257
2258 static void opt_video_rc_eq(char *arg)
2259 {
2260 video_rc_eq = arg;
2261 }
2262
2263 static void opt_video_rc_override_string(char *arg)
2264 {
2265 video_rc_override_string = arg;
2266 }
2267
2268
2269 static void opt_workaround_bugs(const char *arg)
2270 {
2271 workaround_bugs = atoi(arg);
2272 }
2273
2274 static void opt_dct_algo(const char *arg)
2275 {
2276 dct_algo = atoi(arg);
2277 }
2278
2279 static void opt_idct_algo(const char *arg)
2280 {
2281 idct_algo = atoi(arg);
2282 }
2283
2284 static void opt_me_threshold(const char *arg)
2285 {
2286 me_threshold = atoi(arg);
2287 }
2288
2289 static void opt_mb_threshold(const char *arg)
2290 {
2291 mb_threshold = atoi(arg);
2292 }
2293
2294 static void opt_error_resilience(const char *arg)
2295 {
2296 error_resilience = atoi(arg);
2297 }
2298
2299 static void opt_error_concealment(const char *arg)
2300 {
2301 error_concealment = atoi(arg);
2302 }
2303
2304 static void opt_debug(const char *arg)
2305 {
2306 debug = atoi(arg);
2307 av_log_set_level(AV_LOG_DEBUG);
2308 }
2309
2310 static void opt_vismv(const char *arg)
2311 {
2312 debug_mv = atoi(arg);
2313 }
2314
2315 static void opt_verbose(const char *arg)
2316 {
2317 verbose = atoi(arg);
2318 av_log_set_level(atoi(arg));
2319 }
2320
2321 static void opt_frame_rate(const char *arg)
2322 {
2323 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2324 fprintf(stderr, "Incorrect frame rate\n");
2325 exit(1);
2326 }
2327 }
2328
2329 static void opt_frame_crop_top(const char *arg)
2330 {
2331 frame_topBand = atoi(arg);
2332 if (frame_topBand < 0) {
2333 fprintf(stderr, "Incorrect top crop size\n");
2334 exit(1);
2335 }
2336 if ((frame_topBand % 2) != 0) {
2337 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2338 exit(1);
2339 }
2340 if ((frame_topBand) >= frame_height){
2341 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2342 exit(1);
2343 }
2344 frame_height -= frame_topBand;
2345 }
2346
2347 static void opt_frame_crop_bottom(const char *arg)
2348 {
2349 frame_bottomBand = atoi(arg);
2350 if (frame_bottomBand < 0) {
2351 fprintf(stderr, "Incorrect bottom crop size\n");
2352 exit(1);
2353 }
2354 if ((frame_bottomBand % 2) != 0) {
2355 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2356 exit(1);
2357 }
2358 if ((frame_bottomBand) >= frame_height){
2359 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2360 exit(1);
2361 }
2362 frame_height -= frame_bottomBand;
2363 }
2364
2365 static void opt_frame_crop_left(const char *arg)
2366 {
2367 frame_leftBand = atoi(arg);
2368 if (frame_leftBand < 0) {
2369 fprintf(stderr, "Incorrect left crop size\n");
2370 exit(1);
2371 }
2372 if ((frame_leftBand % 2) != 0) {
2373 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2374 exit(1);
2375 }
2376 if ((frame_leftBand) >= frame_width){
2377 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2378 exit(1);
2379 }
2380 frame_width -= frame_leftBand;
2381 }
2382
2383 static void opt_frame_crop_right(const char *arg)
2384 {
2385 frame_rightBand = atoi(arg);
2386 if (frame_rightBand < 0) {
2387 fprintf(stderr, "Incorrect right crop size\n");
2388 exit(1);
2389 }
2390 if ((frame_rightBand % 2) != 0) {
2391 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2392 exit(1);
2393 }
2394 if ((frame_rightBand) >= frame_width){
2395 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2396 exit(1);
2397 }
2398 frame_width -= frame_rightBand;
2399 }
2400
2401 static void opt_frame_size(const char *arg)
2402 {
2403 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2404 fprintf(stderr, "Incorrect frame size\n");
2405 exit(1);
2406 }
2407 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2408 fprintf(stderr, "Frame size must be a multiple of 2\n");
2409 exit(1);
2410 }
2411 }
2412
2413
2414 #define SCALEBITS 10
2415 #define ONE_HALF (1 << (SCALEBITS - 1))
2416 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2417
2418 #define RGB_TO_Y(r, g, b) \
2419 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2420 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2421
2422 #define RGB_TO_U(r1, g1, b1, shift)\
2423 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2424 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2425
2426 #define RGB_TO_V(r1, g1, b1, shift)\
2427 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2428 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2429
2430 static void opt_pad_color(const char *arg) {
2431 /* Input is expected to be six hex digits similar to
2432 how colors are expressed in html tags (but without the #) */
2433 int rgb = strtol(arg, NULL, 16);
2434 int r,g,b;
2435
2436 r = (rgb >> 16);
2437 g = ((rgb >> 8) & 255);
2438 b = (rgb & 255);
2439
2440 padcolor[0] = RGB_TO_Y(r,g,b);
2441 padcolor[1] = RGB_TO_U(r,g,b,0);
2442 padcolor[2] = RGB_TO_V(r,g,b,0);
2443 }
2444
2445 static void opt_frame_pad_top(const char *arg)
2446 {
2447 frame_padtop = atoi(arg);
2448 if (frame_padtop < 0) {
2449 fprintf(stderr, "Incorrect top pad size\n");
2450 exit(1);
2451 }
2452 if ((frame_padtop % 2) != 0) {
2453 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2454 exit(1);
2455 }
2456 }
2457
2458 static void opt_frame_pad_bottom(const char *arg)
2459 {
2460 frame_padbottom = atoi(arg);
2461 if (frame_padbottom < 0) {
2462 fprintf(stderr, "Incorrect bottom pad size\n");
2463 exit(1);
2464 }
2465 if ((frame_padbottom % 2) != 0) {
2466 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2467 exit(1);
2468 }
2469 }
2470
2471
2472 static void opt_frame_pad_left(const char *arg)
2473 {
2474 frame_padleft = atoi(arg);
2475 if (frame_padleft < 0) {
2476 fprintf(stderr, "Incorrect left pad size\n");
2477 exit(1);
2478 }
2479 if ((frame_padleft % 2) != 0) {
2480 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2481 exit(1);
2482 }
2483 }
2484
2485
2486 static void opt_frame_pad_right(const char *arg)
2487 {
2488 frame_padright = atoi(arg);
2489 if (frame_padright < 0) {
2490 fprintf(stderr, "Incorrect right pad size\n");
2491 exit(1);
2492 }
2493 if ((frame_padright % 2) != 0) {
2494 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2495 exit(1);
2496 }
2497 }
2498
2499
2500 static void opt_frame_pix_fmt(const char *arg)
2501 {
2502 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2503 }
2504
2505 static void opt_frame_aspect_ratio(const char *arg)
2506 {
2507 int x = 0, y = 0;
2508 double ar = 0;
2509 const char *p;
2510
2511 p = strchr(arg, ':');
2512 if (p) {
2513 x = strtol(arg, (char **)&arg, 10);
2514 if (arg == p)
2515 y = strtol(arg+1, (char **)&arg, 10);
2516 if (x > 0 && y > 0)
2517 ar = (double)x / (double)y;
2518 } else
2519 ar = strtod(arg, (char **)&arg);
2520
2521 if (!ar) {
2522 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2523 exit(1);
2524 }
2525 frame_aspect_ratio = ar;
2526 }
2527
2528 static void opt_gop_size(const char *arg)
2529 {
2530 gop_size = atoi(arg);
2531 }
2532
2533 static void opt_b_frames(const char *arg)
2534 {
2535 b_frames = atoi(arg);
2536 if (b_frames > FF_MAX_B_FRAMES) {
2537 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2538 exit(1);
2539 } else if (b_frames < 1) {
2540 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2541 exit(1);
2542 }
2543 }
2544
2545 static void opt_mb_decision(const char *arg)
2546 {
2547 mb_decision = atoi(arg);
2548 }
2549
2550 static void opt_mb_cmp(const char *arg)
2551 {
2552 mb_cmp = atoi(arg);
2553 }
2554
2555 static void opt_ildct_cmp(const char *arg)
2556 {
2557 ildct_cmp = atoi(arg);
2558 }
2559
2560 static void opt_sub_cmp(const char *arg)
2561 {
2562 sub_cmp = atoi(arg);
2563 }
2564
2565 static void opt_cmp(const char *arg)
2566 {
2567 cmp = atoi(arg);
2568 }
2569
2570 static void opt_pre_cmp(const char *arg)
2571 {
2572 pre_cmp = atoi(arg);
2573 }
2574
2575 static void opt_pre_me(const char *arg)
2576 {
2577 pre_me = atoi(arg);
2578 }
2579
2580 static void opt_lumi_mask(const char *arg)
2581 {
2582 lumi_mask = atof(arg);
2583 }
2584
2585 static void opt_dark_mask(const char *arg)
2586 {
2587 dark_mask = atof(arg);
2588 }
2589
2590 static void opt_scplx_mask(const char *arg)
2591 {
2592 scplx_mask = atof(arg);
2593 }
2594
2595 static void opt_tcplx_mask(const char *arg)
2596 {
2597 tcplx_mask = atof(arg);
2598 }
2599
2600 static void opt_p_mask(const char *arg)
2601 {
2602 p_mask = atof(arg);
2603 }
2604
2605 static void opt_qscale(const char *arg)
2606 {
2607 video_qscale = atof(arg);
2608 if (video_qscale < 0.01 ||
2609 video_qscale > 255) {
2610 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2611 exit(1);
2612 }
2613 }
2614
2615 static void opt_qsquish(const char *arg)
2616 {
2617 video_qsquish = atof(arg);
2618 if (video_qsquish < 0.0 ||
2619 video_qsquish > 99.0) {
2620 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2621 exit(1);
2622 }
2623 }
2624
2625 static void opt_lelim(const char *arg)
2626 {
2627 video_lelim = atoi(arg);
2628 if (video_lelim < -99 ||
2629 video_lelim > 99) {
2630 fprintf(stderr, "lelim must be >= -99 and <= 99\n");
2631 exit(1);
2632 }
2633 }
2634
2635 static void opt_celim(const char *arg)
2636 {
2637 video_celim = atoi(arg);
2638 if (video_celim < -99 ||
2639 video_celim > 99) {
2640 fprintf(stderr, "celim must be >= -99 and <= 99\n");
2641 exit(1);
2642 }
2643 }
2644
2645 static void opt_lmax(const char *arg)
2646 {
2647 video_lmax = atof(arg)*FF_QP2LAMBDA;
2648 }
2649
2650 static void opt_lmin(const char *arg)
2651 {
2652 video_lmin = atof(arg)*FF_QP2LAMBDA;
2653 }
2654
2655 static void opt_qmin(const char *arg)
2656 {
2657 video_qmin = atoi(arg);
2658 if (video_qmin < 1 ||
2659 video_qmin > 31) {
2660 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2661 exit(1);
2662 }
2663 }
2664
2665 static void opt_qmax(const char *arg)
2666 {
2667 video_qmax = atoi(arg);
2668 if (video_qmax < 1 ||
2669 video_qmax > 31) {
2670 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2671 exit(1);
2672 }
2673 }
2674
2675 static void opt_mb_lmin(const char *arg)
2676 {
2677 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2678 if (video_mb_lmin < 1 ||
2679 video_mb_lmin > FF_LAMBDA_MAX) {
2680 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2681 exit(1);
2682 }
2683 }
2684
2685 static void opt_mb_lmax(const char *arg)
2686 {
2687 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2688 if (video_mb_lmax < 1 ||
2689 video_mb_lmax > FF_LAMBDA_MAX) {
2690 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2691 exit(1);
2692 }
2693 }
2694
2695 static void opt_qdiff(const char *arg)
2696 {
2697 video_qdiff = atoi(arg);
2698 if (video_qdiff < 0 ||
2699 video_qdiff > 31) {
2700 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2701 exit(1);
2702 }
2703 }
2704
2705 static void opt_qblur(const char *arg)
2706 {
2707 video_qblur = atof(arg);
2708 }
2709
2710 static void opt_qcomp(const char *arg)
2711 {
2712 video_qcomp = atof(arg);
2713 }
2714
2715 static void opt_rc_initial_cplx(const char *arg)
2716 {
2717 video_rc_initial_cplx = atof(arg);
2718 }
2719 static void opt_b_qfactor(const char *arg)
2720 {
2721 video_b_qfactor = atof(arg);
2722 }
2723 static void opt_i_qfactor(const char *arg)
2724 {
2725 video_i_qfactor = atof(arg);
2726 }
2727 static void opt_b_qoffset(const char *arg)
2728 {
2729 video_b_qoffset = atof(arg);
2730 }
2731 static void opt_i_qoffset(const char *arg)
2732 {
2733 video_i_qoffset = atof(arg);
2734 }
2735
2736 static void opt_ibias(const char *arg)
2737 {
2738 video_intra_quant_bias = atoi(arg);
2739 }
2740 static void opt_pbias(const char *arg)
2741 {
2742 video_inter_quant_bias = atoi(arg);
2743 }
2744
2745 static void opt_packet_size(const char *arg)
2746 {
2747 packet_size= atoi(arg);
2748 }
2749
2750 static void opt_error_rate(const char *arg)
2751 {
2752 error_rate= atoi(arg);
2753 }
2754
2755 static void opt_strict(const char *arg)
2756 {
2757 strict= atoi(arg);
2758 }
2759
2760 static void opt_top_field_first(const char *arg)
2761 {
2762 top_field_first= atoi(arg);
2763 }
2764
2765 static void opt_noise_reduction(const char *arg)
2766 {
2767 noise_reduction= atoi(arg);
2768 }
2769
2770 static void opt_qns(const char *arg)
2771 {
2772 qns= atoi(arg);
2773 }
2774
2775 static void opt_sc_threshold(const char *arg)
2776 {
2777 sc_threshold= atoi(arg);
2778 }
2779
2780 static void opt_me_range(const char *arg)
2781 {
2782 me_range = atoi(arg);
2783 }
2784
2785 static void opt_thread_count(const char *arg)
2786 {
2787 thread_count= atoi(arg);
2788 #if !defined(HAVE_THREADS)
2789 if (verbose >= 0)
2790 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2791 #endif
2792 }
2793
2794 static void opt_audio_bitrate(const char *arg)
2795 {
2796 audio_bit_rate = atoi(arg) * 1000;
2797 }
2798
2799 static void opt_audio_rate(const char *arg)
2800 {
2801 audio_sample_rate = atoi(arg);
2802 }
2803
2804 static void opt_audio_channels(const char *arg)
2805 {
2806 audio_channels = atoi(arg);
2807 }
2808
2809 static void opt_video_device(const char *arg)
2810 {
2811 video_device = av_strdup(arg);
2812 }
2813
2814 static void opt_grab_device(const char *arg)
2815 {
2816 grab_device = av_strdup(arg);
2817 }
2818
2819 static void opt_video_channel(const char *arg)
2820 {
2821 video_channel = strtol(arg, NULL, 0);
2822 }
2823
2824 static void opt_video_standard(const char *arg)
2825 {
2826 video_standard = av_strdup(arg);
2827 }
2828
2829 static void opt_audio_device(const char *arg)
2830 {
2831 audio_device = av_strdup(arg);
2832 }
2833
2834 static void opt_codec(int *pstream_copy, int *pcodec_id,
2835 int codec_type, const char *arg)
2836 {
2837 AVCodec *p;
2838
2839 if (!strcmp(arg, "copy")) {
2840 *pstream_copy = 1;
2841 } else {
2842 p = first_avcodec;
2843 while (p) {
2844 if (!strcmp(p->name, arg) && p->type == codec_type)
2845 break;
2846 p = p->next;
2847 }
2848 if (p == NULL) {
2849 fprintf(stderr, "Unknown codec '%s'\n", arg);
2850 exit(1);
2851 } else {
2852 *pcodec_id = p->id;
2853 }
2854 }
2855 }
2856
2857 static void opt_audio_codec(const char *arg)
2858 {
2859 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2860 }
2861
2862 static void opt_audio_tag(const char *arg)
2863 {
2864 char *tail;
2865 audio_codec_tag= strtol(arg, &tail, 0);
2866
2867 if(!tail || *tail)
2868 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2869 }
2870
2871 static void opt_video_tag(const char *arg)
2872 {
2873 char *tail;
2874 video_codec_tag= strtol(arg, &tail, 0);
2875
2876 if(!tail || *tail)
2877 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2878 }
2879
2880 static void add_frame_hooker(const char *arg)
2881 {
2882 int argc = 0;
2883 char *argv[64];
2884 int i;
2885 char *args = av_strdup(arg);
2886
2887 using_vhook = 1;
2888
2889 argv[0] = strtok(args, " ");
2890 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2891 }
2892
2893 i = frame_hook_add(argc, argv);
2894
2895 if (i != 0) {
2896 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2897 exit(1);
2898 }
2899 }
2900
2901 const char *motion_str[] = {
2902 "zero",
2903 "full",
2904 "log",
2905 "phods",
2906 "epzs",
2907 "x1",
2908 NULL,
2909 };
2910
2911 static void opt_motion_estimation(const char *arg)
2912 {
2913 const char **p;
2914 p = motion_str;
2915 for(;;) {
2916 if (!*p) {
2917 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2918 exit(1);
2919 }
2920 if (!strcmp(*p, arg))
2921 break;
2922 p++;
2923 }
2924 me_method = (p - motion_str) + 1;
2925 }
2926
2927 static void opt_video_codec(const char *arg)
2928 {
2929 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2930 }
2931
2932 static void opt_subtitle_codec(const char *arg)
2933 {
2934 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2935 }
2936
2937 static void opt_map(const char *arg)
2938 {
2939 AVStreamMap *m;
2940 const char *p;
2941
2942 p = arg;
2943 m = &stream_maps[nb_stream_maps++];
2944
2945 m->file_index = strtol(arg, (char **)&p, 0);
2946 if (*p)
2947 p++;
2948
2949 m->stream_index = strtol(p, (char **)&p, 0);
2950 if (*p) {
2951 p++;
2952 m->sync_file_index = strtol(p, (char **)&p, 0);
2953 if (*p)
2954 p++;
2955 m->sync_stream_index = strtol(p, (char **)&p, 0);
2956 } else {
2957 m->sync_file_index = m->file_index;
2958 m->sync_stream_index = m->stream_index;
2959 }
2960 }
2961
2962 static void opt_map_meta_data(const char *arg)
2963 {
2964 AVMetaDataMap *m;
2965 const char *p;
2966
2967 p = arg;
2968 m = &meta_data_maps[nb_meta_data_maps++];
2969
2970 m->out_file = strtol(arg, (char **)&p, 0);
2971 if (*p)
2972 p++;
2973
2974 m->in_file = strtol(p, (char **)&p, 0);
2975 }
2976
2977 static void opt_recording_time(const char *arg)
2978 {
2979 recording_time = parse_date(arg, 1);
2980 }
2981
2982 static void opt_start_time(const char *arg)
2983 {
2984 start_time = parse_date(arg, 1);
2985 }
2986
2987 static void opt_rec_timestamp(const char *arg)
2988 {
2989 rec_timestamp = parse_date(arg, 0) / 1000000;
2990 }
2991
2992 static void opt_input_ts_offset(const char *arg)
2993 {
2994 input_ts_offset = parse_date(arg, 1);
2995 }
2996
2997 static void opt_input_file(const char *filename)
2998 {
2999 AVFormatContext *ic;
3000 AVFormatParameters params, *ap = &params;
3001 int err, i, ret, rfps, rfps_base;
3002 int64_t timestamp;
3003
3004 if (!strcmp(filename, "-"))
3005 filename = "pipe:";
3006
3007 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3008 !strcmp( filename, "/dev/stdin" );
3009
3010 /* get default parameters from command line */
3011 memset(ap, 0, sizeof(*ap));
3012 ap->sample_rate = audio_sample_rate;
3013 ap->channels = audio_channels;
3014 ap->time_base.den = frame_rate;
3015 ap->time_base.num = frame_rate_base;
3016 ap->width = frame_width + frame_padleft + frame_padright;
3017 ap->height = frame_height + frame_padtop + frame_padbottom;
3018 ap->image_format = image_format;
3019 ap->pix_fmt = frame_pix_fmt;
3020 ap->device = grab_device;
3021 ap->channel = video_channel;
3022 ap->standard = video_standard;
3023 ap->video_codec_id = video_codec_id;
3024 ap->audio_codec_id = audio_codec_id;
3025 if(pgmyuv_compatibility_hack)
3026 ap->video_codec_id= CODEC_ID_PGMYUV;
3027
3028 /* open the input file with generic libav function */
3029 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3030 if (err < 0) {
3031 print_error(filename, err);
3032 exit(1);
3033 }
3034
3035 /* If not enough info to get the stream parameters, we decode the
3036 first frames to get it. (used in mpeg case for example) */
3037 ret = av_find_stream_info(ic);
3038 if (ret < 0 && verbose >= 0) {
3039 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3040 exit(1);
3041 }
3042
3043 timestamp = start_time;
3044 /* add the stream start time */
3045 if (ic->start_time != AV_NOPTS_VALUE)
3046 timestamp += ic->start_time;
3047
3048 /* if seeking requested, we execute it */
3049 if (start_time != 0) {
3050 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3051 if (ret < 0) {
3052 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3053 filename, (double)timestamp / AV_TIME_BASE);
3054 }
3055 /* reset seek info */
3056 start_time = 0;
3057 }
3058
3059 /* update the current parameters so that they match the one of the input stream */
3060 for(i=0;i<ic->nb_streams;i++) {
3061 AVCodecContext *enc = ic->streams[i]->codec;
3062 #if defined(HAVE_THREADS)
3063 if(thread_count>1)
3064 avcodec_thread_init(enc, thread_count);
3065 #endif
3066 enc->thread_count= thread_count;
3067 switch(enc->codec_type) {
3068 case CODEC_TYPE_AUDIO:
3069 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3070 audio_channels = enc->channels;
3071 audio_sample_rate = enc->sample_rate;
3072 if(audio_disable)
3073 ic->streams[i]->discard= AVDISCARD_ALL;
3074 break;
3075 case CODEC_TYPE_VIDEO:
3076 frame_height = enc->height;
3077 frame_width = enc->width;
3078 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
3079 frame_pix_fmt = enc->pix_fmt;
3080 rfps = ic->streams[i]->r_frame_rate.num;
3081 rfps_base = ic->streams[i]->r_frame_rate.den;
3082 enc->workaround_bugs = workaround_bugs;
3083 enc->error_resilience = error_resilience;
3084 enc->error_concealment = error_concealment;
3085 enc->idct_algo = idct_algo;
3086 enc->debug = debug;
3087 enc->debug_mv = debug_mv;
3088 enc->lowres= lowres;
3089 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3090 if(bitexact)
3091 enc->flags|= CODEC_FLAG_BITEXACT;
3092 if(me_threshold)
3093 enc->debug |= FF_DEBUG_MV;
3094 if(gray_only)
3095 enc->flags |= CODEC_FLAG_GRAY;
3096
3097 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3098
3099 if (verbose >= 0)
3100 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3101 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3102
3103 (float)rfps / rfps_base, rfps, rfps_base);
3104 }
3105 /* update the current frame rate to match the stream frame rate */
3106 frame_rate = rfps;
3107 frame_rate_base = rfps_base;
3108
3109 enc->rate_emu = rate_emu;
3110 if(video_disable)
3111 ic->streams[i]->discard= AVDISCARD_ALL;
3112 else if(video_discard)
3113 ic->streams[i]->discard= video_discard;
3114 break;
3115 case CODEC_TYPE_DATA:
3116 break;
3117 case CODEC_TYPE_SUBTITLE:
3118 break;
3119 default:
3120 av_abort();
3121 }
3122 }
3123
3124 input_files[nb_input_files] = ic;
3125 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3126 /* dump the file content */
3127 if (verbose >= 0)
3128 dump_format(ic, nb_input_files, filename, 0);
3129
3130 nb_input_files++;
3131 file_iformat = NULL;
3132 file_oformat = NULL;
3133 image_format = NULL;
3134
3135 grab_device = NULL;
3136 video_channel = 0;
3137
3138 rate_emu = 0;
3139 }
3140
3141 static void opt_grab(const char *arg)
3142 {
3143 file_iformat = av_find_input_format(arg);
3144 opt_input_file("");
3145 }
3146
3147 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3148 {
3149 int has_video, has_audio, i, j;
3150 AVFormatContext *ic;
3151
3152 has_video = 0;
3153 has_audio = 0;
3154 for(j=0;j<nb_input_files;j++) {
3155 ic = input_files[j];
3156 for(i=0;i<ic->nb_streams;i++) {
3157 AVCodecContext *enc = ic->streams[i]->codec;
3158 switch(enc->codec_type) {
3159 case CODEC_TYPE_AUDIO:
3160 has_audio = 1;
3161 break;
3162 case CODEC_TYPE_VIDEO:
3163 has_video = 1;
3164 break;
3165 case CODEC_TYPE_DATA:
3166 case CODEC_TYPE_SUBTITLE:
3167 break;
3168 default:
3169 av_abort();
3170 }
3171 }
3172 }
3173 *has_video_ptr = has_video;
3174 *has_audio_ptr = has_audio;
3175 }
3176
3177 static void new_video_stream(AVFormatContext *oc)
3178 {
3179 AVStream *st;
3180 AVCodecContext *video_enc;
3181 int codec_id;
3182
3183 st = av_new_stream(oc, oc->nb_streams);
3184 if (!st) {
3185 fprintf(stderr, "Could not alloc stream\n");
3186 exit(1);
3187 }
3188 #if defined(HAVE_THREADS)
3189 if(thread_count>1)
3190 avcodec_thread_init(st->codec, thread_count);
3191 #endif
3192
3193 video_enc = st->codec;
3194
3195 if(video_codec_tag)
3196 video_enc->codec_tag= video_codec_tag;
3197
3198 if( (video_global_header&1)
3199 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER)))
3200 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3201 if(video_global_header&2)
3202 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3203
3204 if (video_stream_copy) {
3205 st->stream_copy = 1;
3206 video_enc->codec_type = CODEC_TYPE_VIDEO;
3207 } else {
3208 char *p;
3209 int i;
3210 AVCodec *codec;
3211
3212 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3213 if (video_codec_id != CODEC_ID_NONE)
3214 codec_id = video_codec_id;
3215
3216 video_enc->codec_id = codec_id;
3217 codec = avcodec_find_encoder(codec_id);
3218
3219 video_enc->bit_rate = video_bit_rate;
3220 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3221 video_enc->time_base.den = frame_rate;
3222 video_enc->time_base.num = frame_rate_base;
3223 if(codec && codec->supported_framerates){
3224 const AVRational *p= codec->supported_framerates;
3225 AVRational req= (AVRational){frame_rate, frame_rate_base};
3226 const AVRational *best=NULL;
3227 AVRational best_error= (AVRational){INT_MAX, 1};
3228 for(; p->den!=0; p++){
3229 AVRational error= av_sub_q(req, *p);
3230 if(error.num <0) error.num *= -1;
3231 if(av_cmp_q(error, best_error) < 0){
3232 best_error= error;
3233 best= p;
3234 }
3235 }
3236 video_enc->time_base.den= best->num;
3237 video_enc->time_base.num= best->den;
3238 }
3239
3240 video_enc->width = frame_width + frame_padright + frame_padleft;
3241 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3242 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3243 video_enc->pix_fmt = frame_pix_fmt;
3244
3245 if(codec && codec->pix_fmts){
3246 const enum PixelFormat *p= codec->pix_fmts;
3247 for(; *p!=-1; p++){
3248 if(*p == video_enc->pix_fmt)
3249 break;
3250 }
3251 if(*p == -1)
3252 video_enc->pix_fmt = codec->pix_fmts[0];
3253 }
3254
3255 if (!intra_only)
3256 video_enc->gop_size = gop_size;
3257 else
3258 video_enc->gop_size = 0;
3259 if (video_qscale || same_quality) {
3260 video_enc->flags |= CODEC_FLAG_QSCALE;
3261 video_enc->global_quality=
3262 st->quality = FF_QP2LAMBDA * video_qscale;
3263 }
3264
3265 if(intra_matrix)
3266 video_enc->intra_matrix = intra_matrix;
3267 if(inter_matrix)
3268 video_enc->inter_matrix = inter_matrix;
3269
3270 if(bitexact)
3271 video_enc->flags |= CODEC_FLAG_BITEXACT;
3272
3273 video_enc->mb_decision = mb_decision;
3274 video_enc->mb_cmp = mb_cmp;
3275 video_enc->ildct_cmp = ildct_cmp;
3276 video_enc->me_sub_cmp = sub_cmp;
3277 video_enc->me_cmp = cmp;
3278 video_enc->me_pre_cmp = pre_cmp;
3279 video_enc->pre_me = pre_me;
3280 video_enc->lumi_masking = lumi_mask;
3281 video_enc->dark_masking = dark_mask;
3282 video_enc->spatial_cplx_masking = scplx_mask;
3283 video_enc->temporal_cplx_masking = tcplx_mask;
3284 video_enc->p_masking = p_mask;
3285 video_enc->quantizer_noise_shaping= qns;
3286
3287 if (use_umv) {
3288 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3289 }
3290 if (use_ss) {
3291 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3292 }