sse2 16x16 sum squared diff (306=>268 cycles on a K8)
[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 #include "opt.h"
25
26 #ifndef CONFIG_WIN32
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <sys/ioctl.h>
30 #include <sys/time.h>
31 #include <termios.h>
32 #include <sys/resource.h>
33 #include <signal.h>
34 #endif
35 #ifdef CONFIG_OS2
36 #include <sys/types.h>
37 #include <sys/select.h>
38 #include <stdlib.h>
39 #endif
40 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
41 #include <time.h>
42
43 #include "cmdutils.h"
44
45 #undef NDEBUG
46 #include <assert.h>
47
48 #if !defined(INFINITY) && defined(HUGE_VAL)
49 #define INFINITY HUGE_VAL
50 #endif
51
52 /* select an input stream for an output stream */
53 typedef struct AVStreamMap {
54 int file_index;
55 int stream_index;
56 int sync_file_index;
57 int sync_stream_index;
58 } AVStreamMap;
59
60 /** select an input file for an output file */
61 typedef struct AVMetaDataMap {
62 int out_file;
63 int in_file;
64 } AVMetaDataMap;
65
66 extern const OptionDef options[];
67
68 static void show_help(void);
69 static void show_license(void);
70 static int opt_default(const char *opt, const char *arg);
71
72 #define MAX_FILES 20
73
74 static AVFormatContext *input_files[MAX_FILES];
75 static int64_t input_files_ts_offset[MAX_FILES];
76 static int nb_input_files = 0;
77
78 static AVFormatContext *output_files[MAX_FILES];
79 static int nb_output_files = 0;
80
81 static AVStreamMap stream_maps[MAX_FILES];
82 static int nb_stream_maps;
83
84 static AVMetaDataMap meta_data_maps[MAX_FILES];
85 static int nb_meta_data_maps;
86
87 static AVInputFormat *file_iformat;
88 static AVOutputFormat *file_oformat;
89 static AVImageFormat *image_format;
90 static int frame_width = 0;
91 static int frame_height = 0;
92 static float frame_aspect_ratio = 0;
93 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
94 static int frame_padtop = 0;
95 static int frame_padbottom = 0;
96 static int frame_padleft = 0;
97 static int frame_padright = 0;
98 static int padcolor[3] = {16,128,128}; /* default to black */
99 static int frame_topBand = 0;
100 static int frame_bottomBand = 0;
101 static int frame_leftBand = 0;
102 static int frame_rightBand = 0;
103 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
104 static int frame_rate = 25;
105 static int frame_rate_base = 1;
106 static int video_bit_rate = 200*1000;
107 static int video_bit_rate_tolerance = 4000*1000;
108 static float video_qscale = 0;
109 static int video_qmin = 2;
110 static int video_qmax = 31;
111 static int video_lmin = 2*FF_QP2LAMBDA;
112 static int video_lmax = 31*FF_QP2LAMBDA;
113 static int video_mb_lmin = 2*FF_QP2LAMBDA;
114 static int video_mb_lmax = 31*FF_QP2LAMBDA;
115 static int video_qdiff = 3;
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 pre_me = 0;
148 static int do_deinterlace = 0;
149 static int workaround_bugs = FF_BUG_AUTODETECT;
150 static int packet_size = 0;
151 static int error_rate = 0;
152 static int strict = 0;
153 static int top_field_first = -1;
154 static int sc_threshold = 0;
155 static int me_threshold = 0;
156 static int mb_threshold = 0;
157 static int intra_dc_precision = 8;
158 static int me_penalty_compensation= 256;
159 static int frame_skip_threshold= 0;
160 static int frame_skip_factor= 0;
161 static int frame_skip_exp= 0;
162 extern int loop_input; /* currently a hack */
163 static int loop_output = AVFMT_NOOUTPUTLOOP;
164 static int genpts = 0;
165
166 static int gop_size = 12;
167 static int intra_only = 0;
168 static int audio_sample_rate = 44100;
169 static int audio_bit_rate = 64000;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 1;
174 static int audio_codec_id = CODEC_ID_NONE;
175 static int audio_codec_tag = 0;
176 static char *audio_language = NULL;
177
178 static int subtitle_codec_id = CODEC_ID_NONE;
179 static char *subtitle_language = NULL;
180
181 static int mux_rate= 0;
182 static int mux_packet_size= 0;
183 static float mux_preload= 0.5;
184 static float mux_max_delay= 0.7;
185
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int subtitle_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208 static int opt_shortest = 0; //
209 static int video_global_header = 0;
210
211 static int rate_emu = 0;
212
213 #ifdef CONFIG_BKTR
214 static char *video_grab_format = "bktr";
215 #else
216 static char *video_grab_format = "video4linux";
217 #endif
218 static char *video_device = NULL;
219 static char *grab_device = NULL;
220 static int video_channel = 0;
221 static char *video_standard = "ntsc";
222
223 static char *audio_grab_format = "audio_device";
224 static char *audio_device = NULL;
225 static int audio_volume = 256;
226
227 static int using_stdin = 0;
228 static int using_vhook = 0;
229 static int verbose = 1;
230 static int thread_count= 1;
231 static int q_pressed = 0;
232 static int me_range = 0;
233 static int64_t video_size = 0;
234 static int64_t audio_size = 0;
235 static int64_t extra_size = 0;
236 static int nb_frames_dup = 0;
237 static int nb_frames_drop = 0;
238 static int input_sync;
239 static int limit_filesize = 0; //
240
241 static int pgmyuv_compatibility_hack=0;
242
243 const char **opt_names=NULL;
244 int opt_name_count=0;
245 AVCodecContext *avctx_opts;
246
247
248 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
249
250 struct AVInputStream;
251
252 typedef struct AVOutputStream {
253 int file_index; /* file index */
254 int index; /* stream index in the output file */
255 int source_index; /* AVInputStream index */
256 AVStream *st; /* stream in the output file */
257 int encoding_needed; /* true if encoding needed for this stream */
258 int frame_number;
259 /* input pts and corresponding output pts
260 for A/V sync */
261 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
262 struct AVInputStream *sync_ist; /* input stream to sync against */
263 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
264 /* video only */
265 int video_resample; /* video_resample and video_crop are mutually exclusive */
266 AVFrame pict_tmp; /* temporary image for resampling */
267 ImgReSampleContext *img_resample_ctx; /* for image resampling */
268
269 int video_crop; /* video_resample and video_crop are mutually exclusive */
270 int topBand; /* cropping area sizes */
271 int leftBand;
272
273 int video_pad; /* video_resample and video_pad are mutually exclusive */
274 int padtop; /* padding area sizes */
275 int padbottom;
276 int padleft;
277 int padright;
278
279 /* audio only */
280 int audio_resample;
281 ReSampleContext *resample; /* for audio resampling */
282 FifoBuffer fifo; /* for compression: one audio fifo per codec */
283 FILE *logfile;
284 } AVOutputStream;
285
286 typedef struct AVInputStream {
287 int file_index;
288 int index;
289 AVStream *st;
290 int discard; /* true if stream data should be discarded */
291 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
292 int64_t sample_index; /* current sample */
293
294 int64_t start; /* time when read started */
295 unsigned long frame; /* current frame */
296 int64_t next_pts; /* synthetic pts for cases where pkt.pts
297 is not defined */
298 int64_t pts; /* current pts */
299 int is_start; /* is 1 at the start and after a discontinuity */
300 } AVInputStream;
301
302 typedef struct AVInputFile {
303 int eof_reached; /* true if eof reached */
304 int ist_index; /* index of first stream in ist_table */
305 int buffer_size; /* current total buffer size */
306 int buffer_size_max; /* buffer size at which we consider we can stop
307 buffering */
308 int nb_streams; /* nb streams we are aware of */
309 } AVInputFile;
310
311 #ifndef CONFIG_WIN32
312
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
315
316 static void term_exit(void)
317 {
318 tcsetattr (0, TCSANOW, &oldtty);
319 }
320
321 static volatile sig_atomic_t received_sigterm = 0;
322
323 static void
324 sigterm_handler(int sig)
325 {
326 received_sigterm = sig;
327 term_exit();
328 }
329
330 static void term_init(void)
331 {
332 struct termios tty;
333
334 tcgetattr (0, &tty);
335 oldtty = tty;
336
337 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
338 |INLCR|IGNCR|ICRNL|IXON);
339 tty.c_oflag |= OPOST;
340 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
341 tty.c_cflag &= ~(CSIZE|PARENB);
342 tty.c_cflag |= CS8;
343 tty.c_cc[VMIN] = 1;
344 tty.c_cc[VTIME] = 0;
345
346 tcsetattr (0, TCSANOW, &tty);
347
348 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
349 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
350 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
351 /*
352 register a function to be called at normal program termination
353 */
354 atexit(term_exit);
355 #ifdef CONFIG_BEOS_NETSERVER
356 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
357 #endif
358 }
359
360 /* read a key without blocking */
361 static int read_key(void)
362 {
363 int n = 1;
364 unsigned char ch;
365 #ifndef CONFIG_BEOS_NETSERVER
366 struct timeval tv;
367 fd_set rfds;
368
369 FD_ZERO(&rfds);
370 FD_SET(0, &rfds);
371 tv.tv_sec = 0;
372 tv.tv_usec = 0;
373 n = select(1, &rfds, NULL, NULL, &tv);
374 #endif
375 if (n > 0) {
376 n = read(0, &ch, 1);
377 if (n == 1)
378 return ch;
379
380 return n;
381 }
382 return -1;
383 }
384
385 static int decode_interrupt_cb(void)
386 {
387 return q_pressed || (q_pressed = read_key() == 'q');
388 }
389
390 #else
391
392 static volatile int received_sigterm = 0;
393
394 /* no interactive support */
395 static void term_exit(void)
396 {
397 }
398
399 static void term_init(void)
400 {
401 }
402
403 static int read_key(void)
404 {
405 return 0;
406 }
407
408 #endif
409
410 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
411 {
412 int i, err;
413 AVFormatContext *ic;
414
415 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
416 if (err < 0)
417 return err;
418 /* copy stream format */
419 s->nb_streams = ic->nb_streams;
420 for(i=0;i<ic->nb_streams;i++) {
421 AVStream *st;
422
423 st = av_mallocz(sizeof(AVStream));
424 memcpy(st, ic->streams[i], sizeof(AVStream));
425 s->streams[i] = st;
426 }
427
428 av_close_input_file(ic);
429 return 0;
430 }
431
432 static double
433 get_sync_ipts(const AVOutputStream *ost)
434 {
435 const AVInputStream *ist = ost->sync_ist;
436 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
437 }
438
439 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
440
441 static void do_audio_out(AVFormatContext *s,
442 AVOutputStream *ost,
443 AVInputStream *ist,
444 unsigned char *buf, int size)
445 {
446 uint8_t *buftmp;
447 static uint8_t *audio_buf = NULL;
448 static uint8_t *audio_out = NULL;
449 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
450
451 int size_out, frame_bytes, ret;
452 AVCodecContext *enc= ost->st->codec;
453
454 /* SC: dynamic allocation of buffers */
455 if (!audio_buf)
456 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
457 if (!audio_out)
458 audio_out = av_malloc(audio_out_size);
459 if (!audio_buf || !audio_out)
460 return; /* Should signal an error ! */
461
462 if(audio_sync_method){
463 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
464 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
465 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
466 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
467
468 //FIXME resample delay
469 if(fabs(delta) > 50){
470 if(ist->is_start){
471 if(byte_delta < 0){
472 byte_delta= FFMAX(byte_delta, -size);
473 size += byte_delta;
474 buf -= byte_delta;
475 if(verbose > 2)
476 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
477 if(!size)
478 return;
479 ist->is_start=0;
480 }else{
481 static uint8_t *input_tmp= NULL;
482 input_tmp= av_realloc(input_tmp, byte_delta + size);
483
484 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
485 ist->is_start=0;
486 else
487 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
488
489 memset(input_tmp, 0, byte_delta);
490 memcpy(input_tmp + byte_delta, buf, size);
491 buf= input_tmp;
492 size += byte_delta;
493 if(verbose > 2)
494 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
495 }
496 }else if(audio_sync_method>1){
497 int comp= clip(delta, -audio_sync_method, audio_sync_method);
498 assert(ost->audio_resample);
499 if(verbose > 2)
500 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
501 // 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));
502 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
503 }
504 }
505 }else
506 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
507 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
508
509 if (ost->audio_resample) {
510 buftmp = audio_buf;
511 size_out = audio_resample(ost->resample,
512 (short *)buftmp, (short *)buf,
513 size / (ist->st->codec->channels * 2));
514 size_out = size_out * enc->channels * 2;
515 } else {
516 buftmp = buf;
517 size_out = size;
518 }
519
520 /* now encode as many frames as possible */
521 if (enc->frame_size > 1) {
522 /* output resampled raw samples */
523 fifo_write(&ost->fifo, buftmp, size_out,
524 &ost->fifo.wptr);
525
526 frame_bytes = enc->frame_size * 2 * enc->channels;
527
528 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
529 &ost->fifo.rptr) == 0) {
530 AVPacket pkt;
531 av_init_packet(&pkt);
532
533 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
534 (short *)audio_buf);
535 audio_size += ret;
536 pkt.stream_index= ost->index;
537 pkt.data= audio_out;
538 pkt.size= ret;
539 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
540 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
541 pkt.flags |= PKT_FLAG_KEY;
542 av_interleaved_write_frame(s, &pkt);
543
544 ost->sync_opts += enc->frame_size;
545 }
546 } else {
547 AVPacket pkt;
548 av_init_packet(&pkt);
549
550 ost->sync_opts += size_out / (2 * enc->channels);
551
552 /* output a pcm frame */
553 /* XXX: change encoding codec API to avoid this ? */
554 switch(enc->codec->id) {
555 case CODEC_ID_PCM_S32LE:
556 case CODEC_ID_PCM_S32BE:
557 case CODEC_ID_PCM_U32LE:
558 case CODEC_ID_PCM_U32BE:
559 size_out = size_out << 1;
560 break;
561 case CODEC_ID_PCM_S24LE:
562 case CODEC_ID_PCM_S24BE:
563 case CODEC_ID_PCM_U24LE:
564 case CODEC_ID_PCM_U24BE:
565 case CODEC_ID_PCM_S24DAUD:
566 size_out = size_out / 2 * 3;
567 break;
568 case CODEC_ID_PCM_S16LE:
569 case CODEC_ID_PCM_S16BE:
570 case CODEC_ID_PCM_U16LE:
571 case CODEC_ID_PCM_U16BE:
572 break;
573 default:
574 size_out = size_out >> 1;
575 break;
576 }
577 ret = avcodec_encode_audio(enc, audio_out, size_out,
578 (short *)buftmp);
579 audio_size += ret;
580 pkt.stream_index= ost->index;
581 pkt.data= audio_out;
582 pkt.size= ret;
583 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
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 }
589
590 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
591 {
592 AVCodecContext *dec;
593 AVPicture *picture2;
594 AVPicture picture_tmp;
595 uint8_t *buf = 0;
596
597 dec = ist->st->codec;
598
599 /* deinterlace : must be done before any resize */
600 if (do_deinterlace || using_vhook) {
601 int size;
602
603 /* create temporary picture */
604 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
605 buf = av_malloc(size);
606 if (!buf)
607 return;
608
609 picture2 = &picture_tmp;
610 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
611
612 if (do_deinterlace){
613 if(avpicture_deinterlace(picture2, picture,
614 dec->pix_fmt, dec->width, dec->height) < 0) {
615 /* if error, do not deinterlace */
616 av_free(buf);
617 buf = NULL;
618 picture2 = picture;
619 }
620 } else {
621 if (img_convert(picture2, dec->pix_fmt, picture,
622 dec->pix_fmt, dec->width, dec->height) < 0) {
623 /* if error, do not copy */
624 av_free(buf);
625 buf = NULL;
626 picture2 = picture;
627 }
628 }
629 } else {
630 picture2 = picture;
631 }
632
633 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
634
635 if (picture != picture2)
636 *picture = *picture2;
637 *bufp = buf;
638 }
639
640 /* we begin to correct av delay at this threshold */
641 #define AV_DELAY_MAX 0.100
642
643
644 /* Expects img to be yuv420 */
645 static void fill_pad_region(AVPicture* img, int height, int width,
646 int padtop, int padbottom, int padleft, int padright, int *color) {
647
648 int i, y, shift;
649 uint8_t *optr;
650
651 for (i = 0; i < 3; i++) {
652 shift = (i == 0) ? 0 : 1;
653
654 if (padtop || padleft) {
655 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
656 padleft) >> shift));
657 }
658
659 if (padleft || padright) {
660 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
661 (img->linesize[i] - (padright >> shift));
662
663 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
664 memset(optr, color[i], (padleft + padright) >> shift);
665 optr += img->linesize[i];
666 }
667 }
668
669 if (padbottom || padright) {
670 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
671 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
672 }
673 }
674 }
675
676 static void do_subtitle_out(AVFormatContext *s,
677 AVOutputStream *ost,
678 AVInputStream *ist,
679 AVSubtitle *sub,
680 int64_t pts)
681 {
682 static uint8_t *subtitle_out = NULL;
683 int subtitle_out_max_size = 65536;
684 int subtitle_out_size, nb, i;
685 AVCodecContext *enc;
686 AVPacket pkt;
687
688 if (pts == AV_NOPTS_VALUE) {
689 fprintf(stderr, "Subtitle packets must have a pts\n");
690 return;
691 }
692
693 enc = ost->st->codec;
694
695 if (!subtitle_out) {
696 subtitle_out = av_malloc(subtitle_out_max_size);
697 }
698
699 /* Note: DVB subtitle need one packet to draw them and one other
700 packet to clear them */
701 /* XXX: signal it in the codec context ? */
702 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
703 nb = 2;
704 else
705 nb = 1;
706
707 for(i = 0; i < nb; i++) {
708 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
709 subtitle_out_max_size, sub);
710
711 av_init_packet(&pkt);
712 pkt.stream_index = ost->index;
713 pkt.data = subtitle_out;
714 pkt.size = subtitle_out_size;
715 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);
716 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
717 /* XXX: the pts correction is handled here. Maybe handling
718 it in the codec would be better */
719 if (i == 0)
720 pkt.pts += 90 * sub->start_display_time;
721 else
722 pkt.pts += 90 * sub->end_display_time;
723 }
724 av_interleaved_write_frame(s, &pkt);
725 }
726 }
727
728 static int bit_buffer_size= 1024*256;
729 static uint8_t *bit_buffer= NULL;
730
731 static void do_video_out(AVFormatContext *s,
732 AVOutputStream *ost,
733 AVInputStream *ist,
734 AVFrame *in_picture,
735 int *frame_size)
736 {
737 int nb_frames, i, ret;
738 AVFrame *final_picture, *formatted_picture;
739 AVFrame picture_format_temp, picture_crop_temp;
740 uint8_t *buf = NULL, *buf1 = NULL;
741 AVCodecContext *enc, *dec;
742 enum PixelFormat target_pixfmt;
743
744 avcodec_get_frame_defaults(&picture_format_temp);
745 avcodec_get_frame_defaults(&picture_crop_temp);
746
747 enc = ost->st->codec;
748 dec = ist->st->codec;
749
750 /* by default, we output a single frame */
751 nb_frames = 1;
752
753 *frame_size = 0;
754
755 if(video_sync_method){
756 double vdelta;
757 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
758 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
759 if (vdelta < -1.1)
760 nb_frames = 0;
761 else if (vdelta > 1.1)
762 nb_frames = lrintf(vdelta);
763 //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);
764 if (nb_frames == 0){
765 ++nb_frames_drop;
766 if (verbose>2)
767 fprintf(stderr, "*** drop!\n");
768 }else if (nb_frames > 1) {
769 nb_frames_dup += nb_frames;
770 if (verbose>2)
771 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
772 }
773 }else
774 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
775
776 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
777 if (nb_frames <= 0)
778 return;
779
780 /* convert pixel format if needed */
781 target_pixfmt = ost->video_resample || ost->video_pad
782 ? PIX_FMT_YUV420P : enc->pix_fmt;
783 if (dec->pix_fmt != target_pixfmt) {
784 int size;
785
786 /* create temporary picture */
787 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
788 buf = av_malloc(size);
789 if (!buf)
790 return;
791 formatted_picture = &picture_format_temp;
792 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
793
794 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
795 (AVPicture *)in_picture, dec->pix_fmt,
796 dec->width, dec->height) < 0) {
797
798 if (verbose >= 0)
799 fprintf(stderr, "pixel format conversion not handled\n");
800
801 goto the_end;
802 }
803 } else {
804 formatted_picture = in_picture;
805 }
806
807 /* XXX: resampling could be done before raw format conversion in
808 some cases to go faster */
809 /* XXX: only works for YUV420P */
810 if (ost->video_resample) {
811 final_picture = &ost->pict_tmp;
812 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
813
814 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
815 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
816 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
817 padcolor);
818 }
819
820 if (enc->pix_fmt != PIX_FMT_YUV420P) {
821 int size;
822
823 av_free(buf);
824 /* create temporary picture */
825 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
826 buf = av_malloc(size);
827 if (!buf)
828 return;
829 final_picture = &picture_format_temp;
830 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
831
832 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
833 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
834 enc->width, enc->height) < 0) {
835
836 if (verbose >= 0)
837 fprintf(stderr, "pixel format conversion not handled\n");
838
839 goto the_end;
840 }
841 }
842 } else if (ost->video_crop) {
843 picture_crop_temp.data[0] = formatted_picture->data[0] +
844 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
845
846 picture_crop_temp.data[1] = formatted_picture->data[1] +
847 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
848 (ost->leftBand >> 1);
849
850 picture_crop_temp.data[2] = formatted_picture->data[2] +
851 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
852 (ost->leftBand >> 1);
853
854 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
855 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
856 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
857 final_picture = &picture_crop_temp;
858 } else if (ost->video_pad) {
859 final_picture = &ost->pict_tmp;
860
861 for (i = 0; i < 3; i++) {
862 uint8_t *optr, *iptr;
863 int shift = (i == 0) ? 0 : 1;
864 int y, yheight;
865
866 /* set offset to start writing image into */
867 optr = final_picture->data[i] + (((final_picture->linesize[i] *
868 ost->padtop) + ost->padleft) >> shift);
869 iptr = formatted_picture->data[i];
870
871 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
872 for (y = 0; y < yheight; y++) {
873 /* copy unpadded image row into padded image row */
874 memcpy(optr, iptr, formatted_picture->linesize[i]);
875 optr += final_picture->linesize[i];
876 iptr += formatted_picture->linesize[i];
877 }
878 }
879
880 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
881 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
882 padcolor);
883
884 if (enc->pix_fmt != PIX_FMT_YUV420P) {
885 int size;
886
887 av_free(buf);
888 /* create temporary picture */
889 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
890 buf = av_malloc(size);
891 if (!buf)
892 return;
893 final_picture = &picture_format_temp;
894 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
895
896 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
897 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
898 enc->width, enc->height) < 0) {
899
900 if (verbose >= 0)
901 fprintf(stderr, "pixel format conversion not handled\n");
902
903 goto the_end;
904 }
905 }
906 } else {
907 final_picture = formatted_picture;
908 }
909 /* duplicates frame if needed */
910 for(i=0;i<nb_frames;i++) {
911 AVPacket pkt;
912 av_init_packet(&pkt);
913 pkt.stream_index= ost->index;
914
915 if (s->oformat->flags & AVFMT_RAWPICTURE) {
916 /* raw pictures are written as AVPicture structure to
917 avoid any copies. We support temorarily the older
918 method. */
919 AVFrame* old_frame = enc->coded_frame;
920 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
921 pkt.data= (uint8_t *)final_picture;
922 pkt.size= sizeof(AVPicture);
923 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
924 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
925 if(dec->coded_frame && dec->coded_frame->key_frame)
926 pkt.flags |= PKT_FLAG_KEY;
927
928 av_interleaved_write_frame(s, &pkt);
929 enc->coded_frame = old_frame;
930 } else {
931 AVFrame big_picture;
932
933 big_picture= *final_picture;
934 /* better than nothing: use input picture interlaced
935 settings */
936 big_picture.interlaced_frame = in_picture->interlaced_frame;
937 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
938 if(top_field_first == -1)
939 big_picture.top_field_first = in_picture->top_field_first;
940 else
941 big_picture.top_field_first = top_field_first;
942 }
943
944 /* handles sameq here. This is not correct because it may
945 not be a global option */
946 if (same_quality) {
947 big_picture.quality = ist->st->quality;
948 }else
949 big_picture.quality = ost->st->quality;
950 if(!me_threshold)
951 big_picture.pict_type = 0;
952 // big_picture.pts = AV_NOPTS_VALUE;
953 big_picture.pts= ost->sync_opts;
954 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
955 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
956 ret = avcodec_encode_video(enc,
957 bit_buffer, bit_buffer_size,
958 &big_picture);
959 //enc->frame_number = enc->real_pict_num;
960 if(ret>0){
961 pkt.data= bit_buffer;
962 pkt.size= ret;
963 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
964 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
965 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
966 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
967 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
968
969 if(enc->coded_frame && enc->coded_frame->key_frame)
970 pkt.flags |= PKT_FLAG_KEY;
971 av_interleaved_write_frame(s, &pkt);
972 *frame_size = ret;
973 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
974 // enc->frame_number-1, enc->real_pict_num, ret,
975 // enc->pict_type);
976 /* if two pass, output log */
977 if (ost->logfile && enc->stats_out) {
978 fprintf(ost->logfile, "%s", enc->stats_out);
979 }
980 }
981 }
982 ost->sync_opts++;
983 ost->frame_number++;
984 }
985 the_end:
986 av_free(buf);
987 av_free(buf1);
988 }
989
990 static double psnr(double d){
991 if(d==0) return INFINITY;
992 return -10.0*log(d)/log(10.0);
993 }
994
995 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
996 int frame_size)
997 {
998 static FILE *fvstats=NULL;
999 char filename[40];
1000 time_t today2;
1001 struct tm *today;
1002 AVCodecContext *enc;
1003 int frame_number;
1004 int64_t ti;
1005 double ti1, bitrate, avg_bitrate;
1006
1007 if (!fvstats) {
1008 today2 = time(NULL);
1009 today = localtime(&today2);
1010 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1011 today->tm_min,
1012 today->tm_sec);
1013 fvstats = fopen(filename,"w");
1014 if (!fvstats) {
1015 perror("fopen");
1016 exit(1);
1017 }
1018 }
1019
1020 ti = MAXINT64;
1021 enc = ost->st->codec;
1022 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1023 frame_number = ost->frame_number;
1024 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1025 if (enc->flags&CODEC_FLAG_PSNR)
1026 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1027
1028 fprintf(fvstats,"f_size= %6d ", frame_size);
1029 /* compute pts value */
1030 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1031 if (ti1 < 0.01)
1032 ti1 = 0.01;
1033
1034 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1035 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1036 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1037 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1038 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1039 }
1040 }
1041
1042 static void print_report(AVFormatContext **output_files,
1043 AVOutputStream **ost_table, int nb_ostreams,
1044 int is_last_report)
1045 {
1046 char buf[1024];
1047 AVOutputStream *ost;
1048 AVFormatContext *oc, *os;
1049 int64_t total_size;
1050 AVCodecContext *enc;
1051 int frame_number, vid, i;
1052 double bitrate, ti1, pts;
1053 static int64_t last_time = -1;
1054
1055 if (!is_last_report) {
1056 int64_t cur_time;
1057 /* display the report every 0.5 seconds */
1058 cur_time = av_gettime();
1059 if (last_time == -1) {
1060 last_time = cur_time;
1061 return;
1062 }
1063 if ((cur_time - last_time) < 500000)
1064 return;
1065 last_time = cur_time;
1066 }
1067
1068
1069 oc = output_files[0];
1070
1071 total_size = url_ftell(&oc->pb);
1072
1073 buf[0] = '\0';
1074 ti1 = 1e10;
1075 vid = 0;
1076 for(i=0;i<nb_ostreams;i++) {
1077 ost = ost_table[i];
1078 os = output_files[ost->file_index];
1079 enc = ost->st->codec;
1080 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1081 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1082 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1083 }
1084 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1085 frame_number = ost->frame_number;
1086 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1087 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1088 if(is_last_report)
1089 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1090 if (enc->flags&CODEC_FLAG_PSNR){
1091 int j;
1092 double error, error_sum=0;
1093 double scale, scale_sum=0;
1094 char type[3]= {'Y','U','V'};
1095 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1096 for(j=0; j<3; j++){
1097 if(is_last_report){
1098 error= enc->error[j];
1099 scale= enc->width*enc->height*255.0*255.0*frame_number;
1100 }else{
1101 error= enc->coded_frame->error[j];
1102 scale= enc->width*enc->height*255.0*255.0;
1103 }
1104 if(j) scale/=4;
1105 error_sum += error;
1106 scale_sum += scale;
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1108 }
1109 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1110 }
1111 vid = 1;
1112 }
1113 /* compute min output value */
1114 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1115 if ((pts < ti1) && (pts > 0))
1116 ti1 = pts;
1117 }
1118 if (ti1 < 0.01)
1119 ti1 = 0.01;
1120
1121 if (verbose || is_last_report) {
1122 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1123
1124 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1125 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1126 (double)total_size / 1024, ti1, bitrate);
1127
1128 if (verbose > 1)
1129 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1130 nb_frames_dup, nb_frames_drop);
1131
1132 if (verbose >= 0)
1133 fprintf(stderr, "%s \r", buf);
1134
1135 fflush(stderr);
1136 }
1137
1138 if (is_last_report && verbose >= 0){
1139 int64_t raw= audio_size + video_size + extra_size;
1140 fprintf(stderr, "\n");
1141 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1142 video_size/1024.0,
1143 audio_size/1024.0,
1144 extra_size/1024.0,
1145 100.0*(total_size - raw)/raw
1146 );
1147 }
1148 }
1149
1150 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1151 static int output_packet(AVInputStream *ist, int ist_index,
1152 AVOutputStream **ost_table, int nb_ostreams,
1153 const AVPacket *pkt)
1154 {
1155 AVFormatContext *os;
1156 AVOutputStream *ost;
1157 uint8_t *ptr;
1158 int len, ret, i;
1159 uint8_t *data_buf;
1160 int data_size, got_picture;
1161 AVFrame picture;
1162 void *buffer_to_free;
1163 static int samples_size= 0;
1164 static short *samples= NULL;
1165 AVSubtitle subtitle, *subtitle_to_free;
1166 int got_subtitle;
1167
1168 if(!pkt){
1169 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1170 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1171 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1172 } else {
1173 // assert(ist->pts == ist->next_pts);
1174 }
1175
1176 if (pkt == NULL) {
1177 /* EOF handling */
1178 ptr = NULL;
1179 len = 0;
1180 goto handle_eof;
1181 }
1182
1183 len = pkt->size;
1184 ptr = pkt->data;
1185 while (len > 0) {
1186 handle_eof:
1187 /* decode the packet if needed */
1188 data_buf = NULL; /* fail safe */
1189 data_size = 0;
1190 subtitle_to_free = NULL;
1191 if (ist->decoding_needed) {
1192 switch(ist->st->codec->codec_type) {
1193 case CODEC_TYPE_AUDIO:{
1194 if(pkt)
1195 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1196 /* XXX: could avoid copy if PCM 16 bits with same
1197 endianness as CPU */
1198 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1199 ptr, len);
1200 if (ret < 0)
1201 goto fail_decode;
1202 ptr += ret;
1203 len -= ret;
1204 /* Some bug in mpeg audio decoder gives */
1205 /* data_size < 0, it seems they are overflows */
1206 if (data_size <= 0) {
1207 /* no audio frame */
1208 continue;
1209 }
1210 data_buf = (uint8_t *)samples;
1211 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1212 (ist->st->codec->sample_rate * ist->st->codec->channels);
1213 break;}
1214 case CODEC_TYPE_VIDEO:
1215 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1216 /* XXX: allocate picture correctly */
1217 avcodec_get_frame_defaults(&picture);
1218
1219 ret = avcodec_decode_video(ist->st->codec,
1220 &picture, &got_picture, ptr, len);
1221 ist->st->quality= picture.quality;
1222 if (ret < 0)
1223 goto fail_decode;
1224 if (!got_picture) {
1225 /* no picture yet */
1226 goto discard_packet;
1227 }
1228 if (ist->st->codec->time_base.num != 0) {
1229 ist->next_pts += ((int64_t)AV_TIME_BASE *
1230 ist->st->codec->time_base.num) /
1231 ist->st->codec->time_base.den;
1232 }
1233 len = 0;
1234 break;
1235 case CODEC_TYPE_SUBTITLE:
1236 ret = avcodec_decode_subtitle(ist->st->codec,
1237 &subtitle, &got_subtitle, ptr, len);
1238 if (ret < 0)
1239 goto fail_decode;
1240 if (!got_subtitle) {
1241 goto discard_packet;
1242 }
1243 subtitle_to_free = &subtitle;
1244 len = 0;
1245 break;
1246 default:
1247 goto fail_decode;
1248 }
1249 } else {
1250 switch(ist->st->codec->codec_type) {
1251 case CODEC_TYPE_AUDIO:
1252 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1253 (ist->st->codec->sample_rate * ist->st->codec->channels);
1254 break;
1255 case CODEC_TYPE_VIDEO:
1256 if (ist->st->codec->time_base.num != 0) {
1257 ist->next_pts += ((int64_t)AV_TIME_BASE *
1258 ist->st->codec->time_base.num) /
1259 ist->st->codec->time_base.den;
1260 }
1261 break;
1262 }
1263 data_buf = ptr;
1264 data_size = len;
1265 ret = len;
1266 len = 0;
1267 }
1268
1269 buffer_to_free = NULL;
1270 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1271 pre_process_video_frame(ist, (AVPicture *)&picture,
1272 &buffer_to_free);
1273 }
1274
1275 // preprocess audio (volume)
1276 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1277 if (audio_volume != 256) {
1278 short *volp;
1279 volp = samples;
1280 for(i=0;i<(data_size / sizeof(short));i++) {
1281 int v = ((*volp) * audio_volume + 128) >> 8;
1282 if (v < -32768) v = -32768;
1283 if (v > 32767) v = 32767;
1284 *volp++ = v;
1285 }
1286 }
1287 }
1288
1289 /* frame rate emulation */
1290 if (ist->st->codec->rate_emu) {
1291 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1292 int64_t now = av_gettime() - ist->start;
1293 if (pts > now)
1294 usleep(pts - now);
1295
1296 ist->frame++;
1297 }
1298
1299 #if 0
1300 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1301 is the one of the next displayed one */
1302 /* XXX: add mpeg4 too ? */
1303 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1304 if (ist->st->codec->pict_type != B_TYPE) {
1305 int64_t tmp;
1306 tmp = ist->last_ip_pts;
1307 ist->last_ip_pts = ist->frac_pts.val;
1308 ist->frac_pts.val = tmp;
1309 }
1310 }
1311 #endif
1312 /* if output time reached then transcode raw format,
1313 encode packets and output them */
1314 if (start_time == 0 || ist->pts >= start_time)
1315 for(i=0;i<nb_ostreams;i++) {
1316 int frame_size;
1317
1318 ost = ost_table[i];
1319 if (ost->source_index == ist_index) {
1320 os = output_files[ost->file_index];
1321
1322 #if 0
1323 printf("%d: got pts=%0.3f %0.3f\n", i,
1324 (double)pkt->pts / AV_TIME_BASE,
1325 ((double)ist->pts / AV_TIME_BASE) -
1326 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1327 #endif
1328 /* set the input output pts pairs */
1329 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1330
1331 if (ost->encoding_needed) {
1332 switch(ost->st->codec->codec_type) {
1333 case CODEC_TYPE_AUDIO:
1334 do_audio_out(os, ost, ist, data_buf, data_size);
1335 break;
1336 case CODEC_TYPE_VIDEO:
1337 do_video_out(os, ost, ist, &picture, &frame_size);
1338 video_size += frame_size;
1339 if (do_vstats && frame_size)
1340 do_video_stats(os, ost, frame_size);
1341 break;
1342 case CODEC_TYPE_SUBTITLE:
1343 do_subtitle_out(os, ost, ist, &subtitle,
1344 pkt->pts);
1345 break;
1346 default:
1347 av_abort();
1348 }
1349 } else {
1350 AVFrame avframe; //FIXME/XXX remove this
1351 AVPacket opkt;
1352 av_init_packet(&opkt);
1353
1354 /* no reencoding needed : output the packet directly */
1355 /* force the input stream PTS */
1356
1357 avcodec_get_frame_defaults(&avframe);
1358 ost->st->codec->coded_frame= &avframe;
1359 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1360
1361 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1362 audio_size += data_size;
1363 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1364 video_size += data_size;
1365 ost->sync_opts++;
1366 }
1367
1368 opkt.stream_index= ost->index;
1369 if(pkt->pts != AV_NOPTS_VALUE)
1370 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);
1371 else
1372 opkt.pts= AV_NOPTS_VALUE;
1373
1374 {
1375 int64_t dts;
1376 if (pkt->dts == AV_NOPTS_VALUE)
1377 dts = ist->next_pts;
1378 else
1379 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1380 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1381 }
1382 opkt.flags= pkt->flags;
1383 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1384 opkt.destruct= av_destruct_packet;
1385 av_interleaved_write_frame(os, &opkt);
1386 ost->st->codec->frame_number++;
1387 ost->frame_number++;
1388 av_free_packet(&opkt);
1389 }
1390 }
1391 }
1392 av_free(buffer_to_free);
1393 /* XXX: allocate the subtitles in the codec ? */
1394 if (subtitle_to_free) {
1395 if (subtitle_to_free->rects != NULL) {
1396 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1397 av_free(subtitle_to_free->rects[i].bitmap);
1398 av_free(subtitle_to_free->rects[i].rgba_palette);
1399 }
1400 av_freep(&subtitle_to_free->rects);
1401 }
1402 subtitle_to_free->num_rects = 0;
1403 subtitle_to_free = NULL;
1404 }
1405 }
1406 discard_packet:
1407 if (pkt == NULL) {
1408 /* EOF handling */
1409
1410 for(i=0;i<nb_ostreams;i++) {
1411 ost = ost_table[i];
1412 if (ost->source_index == ist_index) {
1413 AVCodecContext *enc= ost->st->codec;
1414 os = output_files[ost->file_index];
1415
1416 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1417 continue;
1418 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1419 continue;
1420
1421 if (ost->encoding_needed) {
1422 for(;;) {
1423 AVPacket pkt;
1424 av_init_packet(&pkt);
1425 pkt.stream_index= ost->index;
1426
1427 switch(ost->st->codec->codec_type) {
1428 case CODEC_TYPE_AUDIO:
1429 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1430 audio_size += ret;
1431 pkt.flags |= PKT_FLAG_KEY;
1432 break;
1433 case CODEC_TYPE_VIDEO:
1434 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1435 video_size += ret;
1436 if(enc->coded_frame && enc->coded_frame->key_frame)
1437 pkt.flags |= PKT_FLAG_KEY;
1438 if (ost->logfile && enc->stats_out) {
1439 fprintf(ost->logfile, "%s", enc->stats_out);
1440 }
1441 break;
1442 default:
1443 ret=-1;
1444 }
1445
1446 if(ret<=0)
1447 break;
1448 pkt.data= bit_buffer;
1449 pkt.size= ret;
1450 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1451 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1452 av_interleaved_write_frame(os, &pkt);
1453 }
1454 }
1455 }
1456 }
1457 }
1458
1459 return 0;
1460 fail_decode:
1461 return -1;
1462 }
1463
1464
1465 /*
1466 * The following code is the main loop of the file converter
1467 */
1468 static int av_encode(AVFormatContext **output_files,
1469 int nb_output_files,
1470 AVFormatContext **input_files,
1471 int nb_input_files,
1472 AVStreamMap *stream_maps, int nb_stream_maps)
1473 {
1474 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1475 AVFormatContext *is, *os;
1476 AVCodecContext *codec, *icodec;
1477 AVOutputStream *ost, **ost_table = NULL;
1478 AVInputStream *ist, **ist_table = NULL;
1479 AVInputFile *file_table;
1480 AVFormatContext *stream_no_data;
1481 int key;
1482
1483 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1484 if (!file_table)
1485 goto fail;
1486
1487 /* input stream init */
1488 j = 0;
1489 for(i=0;i<nb_input_files;i++) {
1490 is = input_files[i];
1491 file_table[i].ist_index = j;
1492 file_table[i].nb_streams = is->nb_streams;
1493 j += is->nb_streams;
1494 }
1495 nb_istreams = j;
1496
1497 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1498 if (!ist_table)
1499 goto fail;
1500
1501 for(i=0;i<nb_istreams;i++) {
1502 ist = av_mallocz(sizeof(AVInputStream));
1503 if (!ist)
1504 goto fail;
1505 ist_table[i] = ist;
1506 }
1507 j = 0;
1508 for(i=0;i<nb_input_files;i++) {
1509 is = input_files[i];
1510 for(k=0;k<is->nb_streams;k++) {
1511 ist = ist_table[j++];
1512 ist->st = is->streams[k];
1513 ist->file_index = i;
1514 ist->index = k;
1515 ist->discard = 1; /* the stream is discarded by default
1516 (changed later) */
1517
1518 if (ist->st->codec->rate_emu) {
1519 ist->start = av_gettime();
1520 ist->frame = 0;
1521 }
1522 }
1523 }
1524
1525 /* output stream init */
1526 nb_ostreams = 0;
1527 for(i=0;i<nb_output_files;i++) {
1528 os = output_files[i];
1529 nb_ostreams += os->nb_streams;
1530 }
1531 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1532 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1533 exit(1);
1534 }
1535
1536 /* Sanity check the mapping args -- do the input files & streams exist? */
1537 for(i=0;i<nb_stream_maps;i++) {
1538 int fi = stream_maps[i].file_index;
1539 int si = stream_maps[i].stream_index;
1540
1541 if (fi < 0 || fi > nb_input_files - 1 ||
1542 si < 0 || si > file_table[fi].nb_streams - 1) {
1543 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1544 exit(1);
1545 }
1546 fi = stream_maps[i].sync_file_index;
1547 si = stream_maps[i].sync_stream_index;
1548 if (fi < 0 || fi > nb_input_files - 1 ||
1549 si < 0 || si > file_table[fi].nb_streams - 1) {
1550 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1551 exit(1);
1552 }
1553 }
1554
1555 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1556 if (!ost_table)
1557 goto fail;
1558 for(i=0;i<nb_ostreams;i++) {
1559 ost = av_mallocz(sizeof(AVOutputStream));
1560 if (!ost)
1561 goto fail;
1562 ost_table[i] = ost;
1563 }
1564
1565 n = 0;
1566 for(k=0;k<nb_output_files;k++) {
1567 os = output_files[k];
1568 for(i=0;i<os->nb_streams;i++) {
1569 int found;
1570 ost = ost_table[n++];
1571 ost->file_index = k;
1572 ost->index = i;
1573 ost->st = os->streams[i];
1574 if (nb_stream_maps > 0) {
1575 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1576 stream_maps[n-1].stream_index;
1577
1578 /* Sanity check that the stream types match */
1579 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1580 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1581 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1582 ost->file_index, ost->index);
1583 exit(1);
1584 }
1585
1586 } else {
1587 /* get corresponding input stream index : we select the first one with the right type */
1588 found = 0;
1589 for(j=0;j<nb_istreams;j++) {
1590 ist = ist_table[j];
1591 if (ist->discard &&
1592 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1593 ost->source_index = j;
1594 found = 1;
1595 break;
1596 }
1597 }
1598
1599 if (!found) {
1600 /* try again and reuse existing stream */
1601 for(j=0;j<nb_istreams;j++) {
1602 ist = ist_table[j];
1603 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1604 ost->source_index = j;
1605 found = 1;
1606 }
1607 }
1608 if (!found) {
1609 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1610 ost->file_index, ost->index);
1611 exit(1);
1612 }
1613 }
1614 }
1615 ist = ist_table[ost->source_index];
1616 ist->discard = 0;
1617 ost->sync_ist = (nb_stream_maps > 0) ?
1618 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1619 stream_maps[n-1].sync_stream_index] : ist;
1620 }
1621 }
1622
1623 /* for each output stream, we compute the right encoding parameters */
1624 for(i=0;i<nb_ostreams;i++) {
1625 ost = ost_table[i];
1626 ist = ist_table[ost->source_index];
1627
1628 codec = ost->st->codec;
1629 icodec = ist->st->codec;
1630
1631 if (ost->st->stream_copy) {
1632 /* if stream_copy is selected, no need to decode or encode */
1633 codec->codec_id = icodec->codec_id;
1634 codec->codec_type = icodec->codec_type;
1635 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1636 codec->bit_rate = icodec->bit_rate;
1637 codec->extradata= icodec->extradata;
1638 codec->extradata_size= icodec->extradata_size;
1639 codec->time_base = icodec->time_base;
1640 switch(codec->codec_type) {
1641 case CODEC_TYPE_AUDIO:
1642 codec->sample_rate = icodec->sample_rate;
1643 codec->channels = icodec->channels;
1644 codec->frame_size = icodec->frame_size;
1645 codec->block_align= icodec->block_align;
1646 break;
1647 case CODEC_TYPE_VIDEO:
1648 codec->width = icodec->width;
1649 codec->height = icodec->height;
1650 codec->has_b_frames = icodec->has_b_frames;
1651 break;
1652 case CODEC_TYPE_SUBTITLE:
1653 break;
1654 default:
1655 av_abort();
1656 }
1657 } else {
1658 switch(codec->codec_type) {
1659 case CODEC_TYPE_AUDIO:
1660 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1661 goto fail;
1662
1663 if (codec->channels == icodec->channels &&
1664 codec->sample_rate == icodec->sample_rate) {
1665 ost->audio_resample = 0;
1666 } else {
1667 if (codec->channels != icodec->channels &&
1668 (icodec->codec_id == CODEC_ID_AC3 ||
1669 icodec->codec_id == CODEC_ID_DTS)) {
1670 /* Special case for 5:1 AC3 and DTS input */
1671 /* and mono or stereo output */
1672 /* Request specific number of channels */
1673 icodec->channels = codec->channels;
1674 if (codec->sample_rate == icodec->sample_rate)
1675 ost->audio_resample = 0;
1676 else {
1677 ost->audio_resample = 1;
1678 }
1679 } else {
1680 ost->audio_resample = 1;
1681 }
1682 }
1683 if(audio_sync_method>1)
1684 ost->audio_resample = 1;
1685
1686 if(ost->audio_resample){
1687 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1688 codec->sample_rate, icodec->sample_rate);
1689 if(!ost->resample){
1690 printf("Can't resample. Aborting.\n");
1691 av_abort();
1692 }
1693 }
1694 ist->decoding_needed = 1;
1695 ost->encoding_needed = 1;
1696 break;
1697 case CODEC_TYPE_VIDEO:
1698 if (codec->width == icodec->width &&
1699 codec->height == icodec->height &&
1700 frame_topBand == 0 &&
1701 frame_bottomBand == 0 &&
1702 frame_leftBand == 0 &&
1703 frame_rightBand == 0 &&
1704 frame_padtop == 0 &&
1705 frame_padbottom == 0 &&
1706 frame_padleft == 0 &&
1707 frame_padright == 0)
1708 {
1709 ost->video_resample = 0;
1710 ost->video_crop = 0;
1711 ost->video_pad = 0;
1712 } else if ((codec->width == icodec->width -
1713 (frame_leftBand + frame_rightBand)) &&
1714 (codec->height == icodec->height -
1715 (frame_topBand + frame_bottomBand)))
1716 {
1717 ost->video_resample = 0;
1718 ost->video_crop = 1;
1719 ost->topBand = frame_topBand;
1720 ost->leftBand = frame_leftBand;
1721 } else if ((codec->width == icodec->width +
1722 (frame_padleft + frame_padright)) &&
1723 (codec->height == icodec->height +
1724 (frame_padtop + frame_padbottom))) {
1725 ost->video_resample = 0;
1726 ost->video_crop = 0;
1727 ost->video_pad = 1;
1728 ost->padtop = frame_padtop;
1729 ost->padleft = frame_padleft;
1730 ost->padbottom = frame_padbottom;
1731 ost->padright = frame_padright;
1732 avcodec_get_frame_defaults(&ost->pict_tmp);
1733 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1734 codec->width, codec->height ) )
1735 goto fail;
1736 } else {
1737 ost->video_resample = 1;
1738 ost->video_crop = 0; // cropping is handled as part of resample
1739 avcodec_get_frame_defaults(&ost->pict_tmp);
1740 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1741 codec->width, codec->height ) )
1742 goto fail;
1743
1744 ost->img_resample_ctx = img_resample_full_init(
1745 ost->st->codec->width, ost->st->codec->height,
1746 ist->st->codec->width, ist->st->codec->height,
1747 frame_topBand, frame_bottomBand,
1748 frame_leftBand, frame_rightBand,
1749 frame_padtop, frame_padbottom,
1750 frame_padleft, frame_padright);
1751
1752 ost->padtop = frame_padtop;
1753 ost->padleft = frame_padleft;
1754 ost->padbottom = frame_padbottom;
1755 ost->padright = frame_padright;
1756
1757 }
1758 ost->encoding_needed = 1;
1759 ist->decoding_needed = 1;
1760 break;
1761 case CODEC_TYPE_SUBTITLE:
1762 ost->encoding_needed = 1;
1763 ist->decoding_needed = 1;
1764 break;
1765 default:
1766 av_abort();
1767 break;
1768 }
1769 /* two pass mode */
1770 if (ost->encoding_needed &&
1771 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1772 char logfilename[1024];
1773 FILE *f;
1774 int size;
1775 char *logbuffer;
1776
1777 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1778 pass_logfilename ?
1779 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1780 if (codec->flags & CODEC_FLAG_PASS1) {
1781 f = fopen(logfilename, "w");
1782 if (!f) {
1783 perror(logfilename);
1784 exit(1);
1785 }
1786 ost->logfile = f;
1787 } else {
1788 /* read the log file */
1789 f = fopen(logfilename, "r");
1790 if (!f) {
1791 perror(logfilename);
1792 exit(1);
1793 }
1794 fseek(f, 0, SEEK_END);
1795 size = ftell(f);
1796 fseek(f, 0, SEEK_SET);
1797 logbuffer = av_malloc(size + 1);
1798 if (!logbuffer) {
1799 fprintf(stderr, "Could not allocate log buffer\n");
1800 exit(1);
1801 }
1802 size = fread(logbuffer, 1, size, f);
1803 fclose(f);
1804 logbuffer[size] = '\0';
1805 codec->stats_in = logbuffer;
1806 }
1807 }
1808 }
1809 if(codec->codec_type == CODEC_TYPE_VIDEO){
1810 int size= codec->width * codec->height;
1811 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1812 }
1813 }
1814
1815 if (!bit_buffer)
1816 bit_buffer = av_malloc(bit_buffer_size);
1817 if (!bit_buffer)
1818 goto fail;
1819
1820 /* dump the file output parameters - cannot be done before in case
1821 of stream copy */
1822 for(i=0;i<nb_output_files;i++) {
1823 dump_format(output_files[i], i, output_files[i]->filename, 1);
1824 }
1825
1826 /* dump the stream mapping */
1827 if (verbose >= 0) {
1828 fprintf(stderr, "Stream mapping:\n");
1829 for(i=0;i<nb_ostreams;i++) {
1830 ost = ost_table[i];
1831 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1832 ist_table[ost->source_index]->file_index,
1833 ist_table[ost->source_index]->index,
1834 ost->file_index,
1835 ost->index);
1836 if (ost->sync_ist != ist_table[ost->source_index])
1837 fprintf(stderr, " [sync #%d.%d]",
1838 ost->sync_ist->file_index,
1839 ost->sync_ist->index);
1840 fprintf(stderr, "\n");
1841 }
1842 }
1843
1844 /* open each encoder */
1845 for(i=0;i<nb_ostreams;i++) {
1846 ost = ost_table[i];
1847 if (ost->encoding_needed) {
1848 AVCodec *codec;
1849 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1850 if (!codec) {
1851 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1852 ost->file_index, ost->index);
1853 exit(1);
1854 }
1855 if (avcodec_open(ost->st->codec, codec) < 0) {
1856 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1857 ost->file_index, ost->index);
1858 exit(1);
1859 }
1860 extra_size += ost->st->codec->extradata_size;
1861 }
1862 }
1863
1864 /* open each decoder */
1865 for(i=0;i<nb_istreams;i++) {
1866 ist = ist_table[i];
1867 if (ist->decoding_needed) {
1868 AVCodec *codec;
1869 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1870 if (!codec) {
1871 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1872 ist->st->codec->codec_id, ist->file_index, ist->index);
1873 exit(1);
1874 }
1875 if (avcodec_open(ist->st->codec, codec) < 0) {
1876 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1877 ist->file_index, ist->index);
1878 exit(1);
1879 }
1880 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1881 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1882 }
1883 }
1884
1885 /* init pts */
1886 for(i=0;i<nb_istreams;i++) {
1887 ist = ist_table[i];
1888 is = input_files[ist->file_index];
1889 ist->pts = 0;
1890 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1891 if(ist->st->start_time == AV_NOPTS_VALUE)
1892 ist->next_pts=0;
1893 if(input_files_ts_offset[ist->file_index])
1894 ist->next_pts= AV_NOPTS_VALUE;
1895 ist->is_start = 1;
1896 }
1897
1898 /* compute buffer size max (should use a complete heuristic) */
1899 for(i=0;i<nb_input_files;i++) {
1900 file_table[i].buffer_size_max = 2048;
1901 }
1902
1903 /* set meta data information from input file if required */
1904 for (i=0;i<nb_meta_data_maps;i++) {
1905 AVFormatContext *out_file;
1906 AVFormatContext *in_file;
1907
1908 int out_file_index = meta_data_maps[i].out_file;
1909 int in_file_index = meta_data_maps[i].in_file;
1910 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1911 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1912 ret = -EINVAL;
1913 goto fail;
1914 }
1915 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1916 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1917 ret = -EINVAL;
1918 goto fail;
1919 }
1920
1921 out_file = output_files[out_file_index];
1922 in_file = input_files[in_file_index];
1923
1924 strcpy(out_file->title, in_file->title);
1925 strcpy(out_file->author, in_file->author);
1926 strcpy(out_file->copyright, in_file->copyright);
1927 strcpy(out_file->comment, in_file->comment);
1928 strcpy(out_file->album, in_file->album);
1929 out_file->year = in_file->year;
1930 out_file->track = in_file->track;
1931 strcpy(out_file->genre, in_file->genre);
1932 }
1933
1934 /* open files and write file headers */
1935 for(i=0;i<nb_output_files;i++) {
1936 os = output_files[i];
1937 if (av_write_header(os) < 0) {
1938 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1939 ret = -EINVAL;
1940 goto fail;
1941 }
1942 }
1943
1944 #ifndef CONFIG_WIN32
1945 if ( !using_stdin && verbose >= 0) {
1946 fprintf(stderr, "Press [q] to stop encoding\n");
1947 url_set_interrupt_cb(decode_interrupt_cb);
1948 }
1949 #endif
1950 term_init();
1951
1952 stream_no_data = 0;
1953 key = -1;
1954
1955 for(; received_sigterm == 0;) {
1956 int file_index, ist_index;
1957 AVPacket pkt;
1958 double ipts_min;
1959 double opts_min;
1960
1961 redo:
1962 ipts_min= 1e100;
1963 opts_min= 1e100;
1964 /* if 'q' pressed, exits */
1965 if (!using_stdin) {
1966 if (q_pressed)
1967 break;
1968 /* read_key() returns 0 on EOF */
1969 key = read_key();
1970 if (key == 'q')
1971 break;
1972 }
1973
1974 /* select the stream that we must read now by looking at the
1975 smallest output pts */
1976 file_index = -1;
1977 for(i=0;i<nb_ostreams;i++) {
1978 double ipts, opts;
1979 ost = ost_table[i];
1980 os = output_files[ost->file_index];
1981 ist = ist_table[ost->source_index];
1982 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1983 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1984 else
1985 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1986 ipts = (double)ist->pts;
1987 if (!file_table[ist->file_index].eof_reached){
1988 if(ipts < ipts_min) {
1989 ipts_min = ipts;
1990 if(input_sync ) file_index = ist->file_index;
1991 }
1992 if(opts < opts_min) {
1993 opts_min = opts;
1994 if(!input_sync) file_index = ist->file_index;
1995 }
1996 }
1997 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1998 file_index= -1;
1999 break;
2000 }
2001 }
2002 /* if none, if is finished */
2003 if (file_index < 0) {
2004 break;
2005 }
2006
2007 /* finish if recording time exhausted */
2008 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2009 break;
2010
2011 /* finish if limit size exhausted */
2012 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2013 break;
2014
2015 /* read a frame from it and output it in the fifo */
2016 is = input_files[file_index];
2017 if (av_read_frame(is, &pkt) < 0) {
2018 file_table[file_index].eof_reached = 1;
2019 if (opt_shortest) break; else continue; //
2020 }
2021
2022 if (!pkt.size) {
2023 stream_no_data = is;
2024 } else {
2025 stream_no_data = 0;
2026 }
2027 if (do_pkt_dump) {
2028 av_pkt_dump(stdout, &pkt, do_hex_dump);
2029 }
2030 /* the following test is needed in case new streams appear
2031 dynamically in stream : we ignore them */
2032 if (pkt.stream_index >= file_table[file_index].nb_streams)
2033 goto discard_packet;
2034 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2035 ist = ist_table[ist_index];
2036 if (ist->discard)
2037 goto discard_packet;
2038
2039 // 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);
2040 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2041 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2042 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2043 input_files_ts_offset[ist->file_index]-= delta;
2044 if (verbose > 2)
2045 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
2046 for(i=0; i<file_table[file_index].nb_streams; i++){
2047 int index= file_table[file_index].ist_index + i;
2048 ist_table[index]->next_pts += delta;
2049 ist_table[index]->is_start=1;
2050 }
2051 }
2052 }
2053
2054 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2055 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2056
2057 if (verbose >= 0)
2058 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2059 ist->file_index, ist->index);
2060
2061 av_free_packet(&pkt);
2062 goto redo;
2063 }
2064
2065 discard_packet:
2066 av_free_packet(&pkt);
2067
2068 /* dump report by using the output first video and audio streams */
2069 print_report(output_files, ost_table, nb_ostreams, 0);
2070 }
2071
2072 /* at the end of stream, we must flush the decoder buffers */
2073 for(i=0;i<nb_istreams;i++) {
2074 ist = ist_table[i];
2075 if (ist->decoding_needed) {
2076 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2077 }
2078 }
2079
2080 term_exit();
2081
2082 /* write the trailer if needed and close file */
2083 for(i=0;i<nb_output_files;i++) {
2084 os = output_files[i];
2085 av_write_trailer(os);
2086 }
2087
2088 /* dump report by using the first video and audio streams */
2089 print_report(output_files, ost_table, nb_ostreams, 1);
2090
2091 /* close each encoder */
2092 for(i=0;i<nb_ostreams;i++) {
2093 ost = ost_table[i];
2094 if (ost->encoding_needed) {
2095 av_freep(&ost->st->codec->stats_in);
2096 avcodec_close(ost->st->codec);
2097 }
2098 }
2099
2100 /* close each decoder */
2101 for(i=0;i<nb_istreams;i++) {
2102 ist = ist_table[i];
2103 if (ist->decoding_needed) {
2104 avcodec_close(ist->st->codec);
2105 }
2106 }
2107
2108 /* finished ! */
2109
2110 ret = 0;
2111 fail1:
2112 av_freep(&bit_buffer);
2113 av_free(file_table);
2114
2115 if (ist_table) {
2116 for(i=0;i<nb_istreams;i++) {
2117 ist = ist_table[i];
2118 av_free(ist);
2119 }
2120 av_free(ist_table);
2121 }
2122 if (ost_table) {
2123 for(i=0;i<nb_ostreams;i++) {
2124 ost = ost_table[i];
2125 if (ost) {
2126 if (ost->logfile) {
2127 fclose(ost->logfile);
2128 ost->logfile = NULL;
2129 }
2130 fifo_free(&ost->fifo); /* works even if fifo is not
2131 initialized but set to zero */
2132 av_free(ost->pict_tmp.data[0]);
2133 if (ost->video_resample)
2134 img_resample_close(ost->img_resample_ctx);
2135 if (ost->audio_resample)
2136 audio_resample_close(ost->resample);
2137 av_free(ost);
2138 }
2139 }
2140 av_free(ost_table);
2141 }
2142 return ret;
2143 fail:
2144 ret = -ENOMEM;
2145 goto fail1;
2146 }
2147
2148 #if 0
2149 int file_read(const char *filename)
2150 {
2151 URLContext *h;
2152 unsigned char buffer[1024];
2153 int len, i;
2154
2155 if (url_open(&h, filename, O_RDONLY) < 0) {
2156 printf("could not open '%s'\n", filename);
2157 return -1;
2158 }
2159 for(;;) {
2160 len = url_read(h, buffer, sizeof(buffer));
2161 if (len <= 0)
2162 break;
2163 for(i=0;i<len;i++) putchar(buffer[i]);
2164 }
2165 url_close(h);
2166 return 0;
2167 }
2168 #endif
2169
2170 static void opt_image_format(const char *arg)
2171 {
2172 AVImageFormat *f;
2173
2174 for(f = first_image_format; f != NULL; f = f->next) {
2175 if (!strcmp(arg, f->name))
2176 break;
2177 }
2178 if (!f) {
2179 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2180 exit(1);
2181 }
2182 image_format = f;
2183 }
2184
2185 static void opt_format(const char *arg)
2186 {
2187 /* compatibility stuff for pgmyuv */
2188 if (!strcmp(arg, "pgmyuv")) {
2189 pgmyuv_compatibility_hack=1;
2190 // opt_image_format(arg);
2191 arg = "image2";
2192 }
2193
2194 file_iformat = av_find_input_format(arg);
2195 file_oformat = guess_format(arg, NULL, NULL);
2196 if (!file_iformat && !file_oformat) {
2197 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2198 exit(1);
2199 }
2200 }
2201
2202 static void opt_video_bitrate(const char *arg)
2203 {
2204 video_bit_rate = atoi(arg) * 1000;
2205 }
2206
2207 static void opt_video_bitrate_tolerance(const char *arg)
2208 {
2209 video_bit_rate_tolerance = atoi(arg) * 1000;
2210 }
2211
2212 static void opt_video_bitrate_max(const char *arg)
2213 {
2214 video_rc_max_rate = atoi(arg) * 1000;
2215 }
2216
2217 static void opt_video_bitrate_min(const char *arg)
2218 {
2219 video_rc_min_rate = atoi(arg) * 1000;
2220 }
2221
2222 static void opt_video_buffer_size(const char *arg)
2223 {
2224 video_rc_buffer_size = atoi(arg) * 8*1024;
2225 }
2226
2227 static void opt_video_rc_eq(char *arg)
2228 {
2229 video_rc_eq = arg;
2230 }
2231
2232 static void opt_video_rc_override_string(char *arg)
2233 {
2234 video_rc_override_string = arg;
2235 }
2236
2237
2238 static void opt_workaround_bugs(const char *arg)
2239 {
2240 workaround_bugs = atoi(arg);
2241 }
2242
2243 static void opt_me_threshold(const char *arg)
2244 {
2245 me_threshold = atoi(arg);
2246 }
2247
2248 static void opt_mb_threshold(const char *arg)
2249 {
2250 mb_threshold = atoi(arg);
2251 }
2252
2253 static void opt_verbose(const char *arg)
2254 {
2255 verbose = atoi(arg);
2256 av_log_set_level(atoi(arg));
2257 }
2258
2259 static void opt_frame_rate(const char *arg)
2260 {
2261 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2262 fprintf(stderr, "Incorrect frame rate\n");
2263 exit(1);
2264 }
2265 }
2266
2267 static void opt_frame_crop_top(const char *arg)
2268 {
2269 frame_topBand = atoi(arg);
2270 if (frame_topBand < 0) {
2271 fprintf(stderr, "Incorrect top crop size\n");
2272 exit(1);
2273 }
2274 if ((frame_topBand % 2) != 0) {
2275 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2276 exit(1);
2277 }
2278 if ((frame_topBand) >= frame_height){
2279 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2280 exit(1);
2281 }
2282 frame_height -= frame_topBand;
2283 }
2284
2285 static void opt_frame_crop_bottom(const char *arg)
2286 {
2287 frame_bottomBand = atoi(arg);
2288 if (frame_bottomBand < 0) {
2289 fprintf(stderr, "Incorrect bottom crop size\n");
2290 exit(1);
2291 }
2292 if ((frame_bottomBand % 2) != 0) {
2293 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2294 exit(1);
2295 }
2296 if ((frame_bottomBand) >= frame_height){
2297 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2298 exit(1);
2299 }
2300 frame_height -= frame_bottomBand;
2301 }
2302
2303 static void opt_frame_crop_left(const char *arg)
2304 {
2305 frame_leftBand = atoi(arg);
2306 if (frame_leftBand < 0) {
2307 fprintf(stderr, "Incorrect left crop size\n");
2308 exit(1);
2309 }
2310 if ((frame_leftBand % 2) != 0) {
2311 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2312 exit(1);
2313 }
2314 if ((frame_leftBand) >= frame_width){
2315 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2316 exit(1);
2317 }
2318 frame_width -= frame_leftBand;
2319 }
2320
2321 static void opt_frame_crop_right(const char *arg)
2322 {
2323 frame_rightBand = atoi(arg);
2324 if (frame_rightBand < 0) {
2325 fprintf(stderr, "Incorrect right crop size\n");
2326 exit(1);
2327 }
2328 if ((frame_rightBand % 2) != 0) {
2329 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2330 exit(1);
2331 }
2332 if ((frame_rightBand) >= frame_width){
2333 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2334 exit(1);
2335 }
2336 frame_width -= frame_rightBand;
2337 }
2338
2339 static void opt_frame_size(const char *arg)
2340 {
2341 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2342 fprintf(stderr, "Incorrect frame size\n");
2343 exit(1);
2344 }
2345 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2346 fprintf(stderr, "Frame size must be a multiple of 2\n");
2347 exit(1);
2348 }
2349 }
2350
2351
2352 #define SCALEBITS 10
2353 #define ONE_HALF (1 << (SCALEBITS - 1))
2354 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2355
2356 #define RGB_TO_Y(r, g, b) \
2357 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2358 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2359
2360 #define RGB_TO_U(r1, g1, b1, shift)\
2361 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2362 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2363
2364 #define RGB_TO_V(r1, g1, b1, shift)\
2365 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2366 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2367
2368 static void opt_pad_color(const char *arg) {
2369 /* Input is expected to be six hex digits similar to
2370 how colors are expressed in html tags (but without the #) */
2371 int rgb = strtol(arg, NULL, 16);
2372 int r,g,b;
2373
2374 r = (rgb >> 16);
2375 g = ((rgb >> 8) & 255);
2376 b = (rgb & 255);
2377
2378 padcolor[0] = RGB_TO_Y(r,g,b);
2379 padcolor[1] = RGB_TO_U(r,g,b,0);
2380 padcolor[2] = RGB_TO_V(r,g,b,0);
2381 }
2382
2383 static void opt_frame_pad_top(const char *arg)
2384 {
2385 frame_padtop = atoi(arg);
2386 if (frame_padtop < 0) {
2387 fprintf(stderr, "Incorrect top pad size\n");
2388 exit(1);
2389 }
2390 if ((frame_padtop % 2) != 0) {
2391 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2392 exit(1);
2393 }
2394 }
2395
2396 static void opt_frame_pad_bottom(const char *arg)
2397 {
2398 frame_padbottom = atoi(arg);
2399 if (frame_padbottom < 0) {
2400 fprintf(stderr, "Incorrect bottom pad size\n");
2401 exit(1);
2402 }
2403 if ((frame_padbottom % 2) != 0) {
2404 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2405 exit(1);
2406 }
2407 }
2408
2409
2410 static void opt_frame_pad_left(const char *arg)
2411 {
2412 frame_padleft = atoi(arg);
2413 if (frame_padleft < 0) {
2414 fprintf(stderr, "Incorrect left pad size\n");
2415 exit(1);
2416 }
2417 if ((frame_padleft % 2) != 0) {
2418 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2419 exit(1);
2420 }
2421 }
2422
2423
2424 static void opt_frame_pad_right(const char *arg)
2425 {
2426 frame_padright = atoi(arg);
2427 if (frame_padright < 0) {
2428 fprintf(stderr, "Incorrect right pad size\n");
2429 exit(1);
2430 }
2431 if ((frame_padright % 2) != 0) {
2432 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2433 exit(1);
2434 }
2435 }
2436
2437
2438 static void opt_frame_pix_fmt(const char *arg)
2439 {
2440 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2441 }
2442
2443 static void opt_frame_aspect_ratio(const char *arg)
2444 {
2445 int x = 0, y = 0;
2446 double ar = 0;
2447 const char *p;
2448
2449 p = strchr(arg, ':');
2450 if (p) {
2451 x = strtol(arg, (char **)&arg, 10);
2452 if (arg == p)
2453 y = strtol(arg+1, (char **)&arg, 10);
2454 if (x > 0 && y > 0)
2455 ar = (double)x / (double)y;
2456 } else
2457 ar = strtod(arg, (char **)&arg);
2458
2459 if (!ar) {
2460 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2461 exit(1);
2462 }
2463 frame_aspect_ratio = ar;
2464 }
2465
2466 static void opt_gop_size(const char *arg)
2467 {
2468 gop_size = atoi(arg);
2469 }
2470
2471 static void opt_b_frames(const char *arg)
2472 {
2473 b_frames = atoi(arg);
2474 if (b_frames > FF_MAX_B_FRAMES) {
2475 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2476 exit(1);
2477 } else if (b_frames < 1) {
2478 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2479 exit(1);
2480 }
2481 }
2482
2483 static void opt_pre_me(const char *arg)
2484 {
2485 pre_me = atoi(arg);
2486 }
2487
2488 static void opt_qscale(const char *arg)
2489 {
2490 video_qscale = atof(arg);
2491 if (video_qscale < 0.01 ||
2492 video_qscale > 255) {
2493 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2494 exit(1);
2495 }
2496 }
2497
2498 static void opt_qsquish(const char *arg)
2499 {
2500 video_qsquish = atof(arg);
2501 if (video_qsquish < 0.0 ||
2502 video_qsquish > 99.0) {
2503 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2504 exit(1);
2505 }
2506 }
2507
2508 static void opt_lmax(const char *arg)
2509 {
2510 video_lmax = atof(arg)*FF_QP2LAMBDA;
2511 }
2512
2513 static void opt_lmin(const char *arg)
2514 {
2515 video_lmin = atof(arg)*FF_QP2LAMBDA;
2516 }
2517
2518 static void opt_qmin(const char *arg)
2519 {
2520 video_qmin = atoi(arg);
2521 if (video_qmin < 1 ||
2522 video_qmin > 31) {
2523 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2524 exit(1);
2525 }
2526 }
2527
2528 static void opt_qmax(const char *arg)
2529 {
2530 video_qmax = atoi(arg);
2531 if (video_qmax < 1 ||
2532 video_qmax > 31) {
2533 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2534 exit(1);
2535 }
2536 }
2537
2538 static void opt_mb_lmin(const char *arg)
2539 {
2540 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2541 if (video_mb_lmin < 1 ||
2542 video_mb_lmin > FF_LAMBDA_MAX) {
2543 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2544 exit(1);
2545 }
2546 }
2547
2548 static void opt_mb_lmax(const char *arg)
2549 {
2550 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2551 if (video_mb_lmax < 1 ||
2552 video_mb_lmax > FF_LAMBDA_MAX) {
2553 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2554 exit(1);
2555 }
2556 }
2557
2558 static void opt_qdiff(const char *arg)
2559 {
2560 video_qdiff = atoi(arg);
2561 if (video_qdiff < 0 ||
2562 video_qdiff > 31) {
2563 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2564 exit(1);
2565 }
2566 }
2567
2568 static void opt_qblur(const char *arg)
2569 {
2570 video_qblur = atof(arg);
2571 }
2572
2573 static void opt_qcomp(const char *arg)
2574 {
2575 video_qcomp = atof(arg);
2576 }
2577
2578 static void opt_rc_initial_cplx(const char *arg)
2579 {
2580 video_rc_initial_cplx = atof(arg);
2581 }
2582 static void opt_b_qfactor(const char *arg)
2583 {
2584 video_b_qfactor = atof(arg);
2585 }
2586 static void opt_i_qfactor(const char *arg)
2587 {
2588 video_i_qfactor = atof(arg);
2589 }
2590 static void opt_b_qoffset(const char *arg)
2591 {
2592 video_b_qoffset = atof(arg);
2593 }
2594 static void opt_i_qoffset(const char *arg)
2595 {
2596 video_i_qoffset = atof(arg);
2597 }
2598
2599 static void opt_ibias(const char *arg)
2600 {
2601 video_intra_quant_bias = atoi(arg);
2602 }
2603 static void opt_pbias(const char *arg)
2604 {
2605 video_inter_quant_bias = atoi(arg);
2606 }
2607
2608 static void opt_packet_size(const char *arg)
2609 {
2610 packet_size= atoi(arg);
2611 }
2612
2613 static void opt_error_rate(const char *arg)
2614 {
2615 error_rate= atoi(arg);
2616 }
2617
2618 static void opt_strict(const char *arg)
2619 {
2620 strict= atoi(arg);
2621 }
2622
2623 static void opt_top_field_first(const char *arg)
2624 {
2625 top_field_first= atoi(arg);
2626 }
2627
2628 static void opt_sc_threshold(const char *arg)
2629 {
2630 sc_threshold= atoi(arg);
2631 }
2632
2633 static void opt_me_range(const char *arg)
2634 {
2635 me_range = atoi(arg);
2636 }
2637
2638 static void opt_thread_count(const char *arg)
2639 {
2640 thread_count= atoi(arg);
2641 #if !defined(HAVE_THREADS)
2642 if (verbose >= 0)
2643 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2644 #endif
2645 }
2646
2647 static void opt_audio_bitrate(const char *arg)
2648 {
2649 audio_bit_rate = atoi(arg) * 1000;
2650 }
2651
2652 static void opt_audio_rate(const char *arg)
2653 {
2654 audio_sample_rate = atoi(arg);
2655 }
2656
2657 static void opt_audio_channels(const char *arg)
2658 {
2659 audio_channels = atoi(arg);
2660 }
2661
2662 static void opt_video_device(const char *arg)
2663 {
2664 video_device = av_strdup(arg);
2665 }
2666
2667 static void opt_grab_device(const char *arg)
2668 {
2669 grab_device = av_strdup(arg);
2670 }
2671
2672 static void opt_video_channel(const char *arg)
2673 {
2674 video_channel = strtol(arg, NULL, 0);
2675 }
2676
2677 static void opt_video_standard(const char *arg)
2678 {
2679 video_standard = av_strdup(arg);
2680 }
2681
2682 static void opt_audio_device(const char *arg)
2683 {
2684 audio_device = av_strdup(arg);
2685 }
2686
2687 static void opt_codec(int *pstream_copy, int *pcodec_id,
2688 int codec_type, const char *arg)
2689 {
2690 AVCodec *p;
2691
2692 if (!strcmp(arg, "copy")) {
2693 *pstream_copy = 1;
2694 } else {
2695 p = first_avcodec;
2696 while (p) {
2697 if (!strcmp(p->name, arg) && p->type == codec_type)
2698 break;
2699 p = p->next;
2700 }
2701 if (p == NULL) {
2702 fprintf(stderr, "Unknown codec '%s'\n", arg);
2703 exit(1);
2704 } else {
2705 *pcodec_id = p->id;
2706 }
2707 }
2708 }
2709
2710 static void opt_audio_codec(const char *arg)
2711 {
2712 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2713 }
2714
2715 static void opt_audio_tag(const char *arg)
2716 {
2717 char *tail;
2718 audio_codec_tag= strtol(arg, &tail, 0);
2719
2720 if(!tail || *tail)
2721 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2722 }
2723
2724 static void opt_video_tag(const char *arg)
2725 {
2726 char *tail;
2727 video_codec_tag= strtol(arg, &tail, 0);
2728
2729 if(!tail || *tail)
2730 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2731 }
2732
2733 static void add_frame_hooker(const char *arg)
2734 {
2735 int argc = 0;
2736 char *argv[64];
2737 int i;
2738 char *args = av_strdup(arg);
2739
2740 using_vhook = 1;
2741
2742 argv[0] = strtok(args, " ");
2743 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2744 }
2745
2746 i = frame_hook_add(argc, argv);
2747
2748 if (i != 0) {
2749 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2750 exit(1);
2751 }
2752 }
2753
2754 const char *motion_str[] = {
2755 "zero",
2756 "full",
2757 "log",
2758 "phods",
2759 "epzs",
2760 "x1",
2761 NULL,
2762 };
2763
2764 static void opt_motion_estimation(const char *arg)
2765 {
2766 const char **p;
2767 p = motion_str;
2768 for(;;) {
2769 if (!*p) {
2770 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2771 exit(1);
2772 }
2773 if (!strcmp(*p, arg))
2774 break;
2775 p++;
2776 }
2777 me_method = (p - motion_str) + 1;
2778 }
2779
2780 static void opt_video_codec(const char *arg)
2781 {
2782 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2783 }
2784
2785 static void opt_subtitle_codec(const char *arg)
2786 {
2787 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2788 }
2789
2790 static void opt_map(const char *arg)
2791 {
2792 AVStreamMap *m;
2793 const char *p;
2794
2795 p = arg;
2796 m = &stream_maps[nb_stream_maps++];
2797
2798 m->file_index = strtol(arg, (char **)&p, 0);
2799 if (*p)
2800 p++;
2801
2802 m->stream_index = strtol(p, (char **)&p, 0);
2803 if (*p) {
2804 p++;
2805 m->sync_file_index = strtol(p, (char **)&p, 0);
2806 if (*p)
2807 p++;
2808 m->sync_stream_index = strtol(p, (char **)&p, 0);
2809 } else {
2810 m->sync_file_index = m->file_index;
2811 m->sync_stream_index = m->stream_index;
2812 }
2813 }
2814
2815 static void opt_map_meta_data(const char *arg)
2816 {
2817 AVMetaDataMap *m;
2818 const char *p;
2819
2820 p = arg;
2821 m = &meta_data_maps[nb_meta_data_maps++];
2822
2823 m->out_file = strtol(arg, (char **)&p, 0);
2824 if (*p)
2825 p++;
2826
2827 m->in_file = strtol(p, (char **)&p, 0);
2828 }
2829
2830 static void opt_recording_time(const char *arg)
2831 {
2832 recording_time = parse_date(arg, 1);
2833 }
2834
2835 static void opt_start_time(const char *arg)
2836 {
2837 start_time = parse_date(arg, 1);
2838 }
2839
2840 static void opt_rec_timestamp(const char *arg)
2841 {
2842 rec_timestamp = parse_date(arg, 0) / 1000000;
2843 }
2844
2845 static void opt_input_ts_offset(const char *arg)
2846 {
2847 input_ts_offset = parse_date(arg, 1);
2848 }
2849
2850 static void opt_input_file(const char *filename)
2851 {
2852 AVFormatContext *ic;
2853 AVFormatParameters params, *ap = &params;
2854 int err, i, ret, rfps, rfps_base;
2855 int64_t timestamp;
2856
2857 if (!strcmp(filename, "-"))
2858 filename = "pipe:";
2859
2860 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2861 !strcmp( filename, "/dev/stdin" );
2862
2863 /* get default parameters from command line */
2864 memset(ap, 0, sizeof(*ap));
2865 ap->sample_rate = audio_sample_rate;
2866 ap->channels = audio_channels;
2867 ap->time_base.den = frame_rate;
2868 ap->time_base.num = frame_rate_base;
2869 ap->width = frame_width + frame_padleft + frame_padright;
2870 ap->height = frame_height + frame_padtop + frame_padbottom;
2871 ap->image_format = image_format;
2872 ap->pix_fmt = frame_pix_fmt;
2873 ap->device = grab_device;
2874 ap->channel = video_channel;
2875 ap->standard = video_standard;
2876 ap->video_codec_id = video_codec_id;
2877 ap->audio_codec_id = audio_codec_id;
2878 if(pgmyuv_compatibility_hack)
2879 ap->video_codec_id= CODEC_ID_PGMYUV;
2880
2881 /* open the input file with generic libav function */
2882 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2883 if (err < 0) {
2884 print_error(filename, err);
2885 exit(1);
2886 }
2887
2888 if(genpts)
2889 ic->flags|= AVFMT_FLAG_GENPTS;
2890
2891 /* If not enough info to get the stream parameters, we decode the
2892 first frames to get it. (used in mpeg case for example) */
2893 ret = av_find_stream_info(ic);
2894 if (ret < 0 && verbose >= 0) {
2895 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2896 exit(1);
2897 }
2898
2899 timestamp = start_time;
2900 /* add the stream start time */
2901 if (ic->start_time != AV_NOPTS_VALUE)
2902 timestamp += ic->start_time;
2903
2904 /* if seeking requested, we execute it */
2905 if (start_time != 0) {
2906 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2907 if (ret < 0) {
2908 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2909 filename, (double)timestamp / AV_TIME_BASE);
2910 }
2911 /* reset seek info */
2912 start_time = 0;
2913 }
2914
2915 /* update the current parameters so that they match the one of the input stream */
2916 for(i=0;i<ic->nb_streams;i++) {
2917 int j;
2918 AVCodecContext *enc = ic->streams[i]->codec;
2919 #if defined(HAVE_THREADS)
2920 if(thread_count>1)
2921 avcodec_thread_init(enc, thread_count);
2922 #endif
2923 enc->thread_count= thread_count;
2924 switch(enc->codec_type) {
2925 case CODEC_TYPE_AUDIO:
2926 for(j=0; j<opt_name_count; j++){
2927 AVOption *opt;
2928 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2929 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2930 av_set_double(enc, opt_names[j], d);
2931 }
2932 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2933 audio_channels = enc->channels;
2934 audio_sample_rate = enc->sample_rate;
2935 if(audio_disable)
2936 ic->streams[i]->discard= AVDISCARD_ALL;
2937 break;
2938 case CODEC_TYPE_VIDEO:
2939 for(j=0; j<opt_name_count; j++){
2940 AVOption *opt;
2941 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2942 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2943 av_set_double(enc, opt_names[j], d);
2944 }
2945 frame_height = enc->height;
2946 frame_width = enc->width;
2947 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2948 frame_pix_fmt = enc->pix_fmt;
2949 rfps = ic->streams[i]->r_frame_rate.num;
2950 rfps_base = ic->streams[i]->r_frame_rate.den;
2951 enc->workaround_bugs = workaround_bugs;
2952 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2953 if(me_threshold)
2954 enc->debug |= FF_DEBUG_MV;
2955
2956 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2957
2958 if (verbose >= 0)
2959 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2960 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2961
2962 (float)rfps / rfps_base, rfps, rfps_base);
2963 }
2964 /* update the current frame rate to match the stream frame rate */
2965 frame_rate = rfps;
2966 frame_rate_base = rfps_base;
2967
2968 enc->rate_emu = rate_emu;
2969 if(video_disable)
2970 ic->streams[i]->discard= AVDISCARD_ALL;
2971 else if(video_discard)
2972 ic->streams[i]->discard= video_discard;
2973 break;
2974 case CODEC_TYPE_DATA:
2975 break;
2976 case CODEC_TYPE_SUBTITLE:
2977 break;
2978 case CODEC_TYPE_UNKNOWN:
2979 break;
2980 default:
2981 av_abort();
2982 }
2983 }
2984
2985 input_files[nb_input_files] = ic;
2986 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2987 /* dump the file content */
2988 if (verbose >= 0)
2989 dump_format(ic, nb_input_files, filename, 0);
2990
2991 nb_input_files++;
2992 file_iformat = NULL;
2993 file_oformat = NULL;
2994 image_format = NULL;
2995
2996 grab_device = NULL;
2997 video_channel = 0;
2998
2999 rate_emu = 0;
3000 }
3001
3002 static void opt_grab(const char *arg)
3003 {
3004 file_iformat = av_find_input_format(arg);
3005 opt_input_file("");
3006 }
3007
3008 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3009 {
3010 int has_video, has_audio, i, j;
3011 AVFormatContext *ic;
3012
3013 has_video = 0;
3014 has_audio = 0;
3015 for(j=0;j<nb_input_files;j++) {
3016 ic = input_files[j];
3017 for(i=0;i<ic->nb_streams;i++) {
3018 AVCodecContext *enc = ic->streams[i]->codec;
3019 switch(enc->codec_type) {
3020 case CODEC_TYPE_AUDIO:
3021 has_audio = 1;
3022 break;
3023 case CODEC_TYPE_VIDEO:
3024 has_video = 1;
3025 break;
3026 case CODEC_TYPE_DATA:
3027 case CODEC_TYPE_UNKNOWN:
3028 case CODEC_TYPE_SUBTITLE:
3029 break;
3030 default:
3031 av_abort();
3032 }
3033 }
3034 }
3035 *has_video_ptr = has_video;
3036 *has_audio_ptr = has_audio;
3037 }
3038
3039 static void new_video_stream(AVFormatContext *oc)
3040 {
3041 AVStream *st;
3042 AVCodecContext *video_enc;
3043 int codec_id;
3044
3045 st = av_new_stream(oc, oc->nb_streams);
3046 if (!st) {
3047 fprintf(stderr, "Could not alloc stream\n");
3048 exit(1);
3049 }
3050 #if defined(HAVE_THREADS)
3051 if(thread_count>1)
3052 avcodec_thread_init(st->codec, thread_count);
3053 #endif
3054
3055 video_enc = st->codec;
3056
3057 if(video_codec_tag)
3058 video_enc->codec_tag= video_codec_tag;
3059
3060 if( (video_global_header&1)
3061 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3062 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3063 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3064 }
3065 if(video_global_header&2){
3066 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3067 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3068 }
3069
3070 if (video_stream_copy) {
3071 st->stream_copy = 1;
3072 video_enc->codec_type = CODEC_TYPE_VIDEO;
3073 } else {
3074 char *p;
3075 int i;
3076 AVCodec *codec;
3077
3078 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3079 if (video_codec_id != CODEC_ID_NONE)
3080 codec_id = video_codec_id;
3081
3082 video_enc->codec_id = codec_id;
3083 codec = avcodec_find_encoder(codec_id);
3084
3085 for(i=0; i<opt_name_count; i++){
3086 AVOption *opt;
3087 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3088 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3089 av_set_double(video_enc, opt_names[i], d);
3090 }
3091
3092 video_enc->bit_rate = video_bit_rate;
3093 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3094 video_enc->time_base.den = frame_rate;
3095 video_enc->time_base.num = frame_rate_base;
3096 if(codec && codec->supported_framerates){
3097 const AVRational *p= codec->supported_framerates;
3098 AVRational req= (AVRational){frame_rate, frame_rate_base};
3099 const AVRational *best=NULL;
3100 AVRational best_error= (AVRational){INT_MAX, 1};
3101 for(; p->den!=0; p++){
3102 AVRational error= av_sub_q(req, *p);
3103 if(error.num <0) error.num *= -1;
3104 if(av_cmp_q(error, best_error) < 0){
3105 best_error= error;
3106 best= p;
3107 }
3108 }
3109 video_enc->time_base.den= best->num;
3110 video_enc->time_base.num= best->den;
3111 }
3112
3113 video_enc->width = frame_width + frame_padright + frame_padleft;
3114 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3115 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3116 video_enc->pix_fmt = frame_pix_fmt;
3117
3118 if(codec && codec->pix_fmts){
3119 const enum PixelFormat *p= codec->pix_fmts;
3120 for(; *p!=-1; p++){
3121 if(*p == video_enc->pix_fmt)
3122 break;
3123 }
3124 if(*p == -1)
3125 video_enc->pix_fmt = codec->pix_fmts[0];
3126 }
3127
3128 if (!intra_only)
3129 video_enc->gop_size = gop_size;
3130 else
3131 video_enc->gop_size = 0;
3132 if (video_qscale || same_quality) {
3133 video_enc->flags |= CODEC_FLAG_QSCALE;
3134 video_enc->global_quality=
3135 st->quality = FF_QP2LAMBDA * video_qscale;
3136 }
3137
3138 if(intra_matrix)
3139 video_enc->intra_matrix = intra_matrix;
3140 if(inter_matrix)
3141 video_enc->inter_matrix = inter_matrix;
3142
3143 video_enc->pre_me = pre_me;
3144
3145 if (b_frames) {
3146 video_enc->max_b_frames = b_frames;
3147 video_enc->b_frame_strategy = b_strategy;
3148 video_enc->b_quant_factor = 2.0;
3149 }
3150 video_enc->qmin = video_qmin;
3151 video_enc->qmax = video_qmax;
3152 video_enc->lmin = video_lmin;
3153 video_enc->lmax = video_lmax;
3154 video_enc->rc_qsquish = video_qsquish;
3155 video_enc->mb_lmin = video_mb_lmin;
3156 video_enc->mb_lmax = video_mb_lmax;
3157 video_enc->max_qdiff = video_qdiff;
3158 video_enc->qblur = video_qblur;
3159 video_enc->qcompress = video_qcomp;
3160 video_enc->rc_eq = video_rc_eq;
3161 video_enc->workaround_bugs = workaround_bugs;
3162 video_enc->thread_count = thread_count;
3163 p= video_rc_override_string;
3164 for(i=0; p; i++){
3165 int start, end, q;
3166 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3167 if(e!=3){
3168 fprintf(stderr, "error parsing rc_override\n");
3169 exit(1);
3170 }
3171 video_enc->rc_override=
3172 av_realloc(video_enc->rc_override,
3173 sizeof(RcOverride)*(i+1));
3174 video_enc->rc_override[i].start_frame= start;
3175 video_enc->rc_override[i].end_frame = end;
3176 if(q>0){
3177 video_enc->rc_override[i].qscale= q;
3178 video_enc->rc_override[i].quality_factor= 1.0;
3179 }
3180 else{
3181 video_enc->rc_override[i].qscale= 0;
3182 video_enc->rc_override[i].quality_factor= -q/100.0;
3183 }
3184 p= strchr(p, '/');
3185 if(p) p++;
3186 }
3187 video_enc->rc_override_count=i;
3188
3189 video_enc->rc_max_rate = video_rc_max_rate;
3190 video_enc->rc_min_rate = video_rc_min_rate;
3191 video_enc->rc_buffer_size = video_rc_buffer_size;
3192 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3193 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3194 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3195 video_enc->i_quant_factor = video_i_qfactor;
3196 video_enc->b_quant_factor = video_b_qfactor;
3197 video_enc->i_quant_offset = video_i_qoffset;
3198 video_enc->b_quant_offset = video_b_qoffset;
3199 video_enc->intra_quant_bias = video_intra_quant_bias;
3200 video_enc->inter_quant_bias = video_inter_quant_bias;
3201 video_enc->me_threshold= me_threshold;
3202 video_enc->mb_threshold= mb_threshold;
3203 video_enc->intra_dc_precision= intra_dc_precision - 8;
3204 video_enc->strict_std_compliance = strict;
3205 video_enc->error_rate = error_rate;
3206 video_enc->scenechange_threshold= sc_threshold;
3207 video_enc->me_range = me_range;
3208 video_enc->me_penalty_compensation= me_penalty_compensation;
3209 video_enc->frame_skip_threshold= frame_skip_threshold;
3210 video_enc->frame_skip_factor= frame_skip_factor;
3211 video_enc->frame_skip_exp= frame_skip_exp;
3212
3213 if(packet_size){
3214 video_enc->rtp_mode= 1;
3215 video_enc->rtp_payload_size= packet_size;
3216 }
3217
3218 if (do_psnr)
3219 video_enc->flags|= CODEC_FLAG_PSNR;
3220
3221 video_enc->me_method = me_method;
3222
3223 /* two pass mode */
3224 if (do_pass) {
3225 if (do_pass == 1) {
3226 video_enc->flags |= CODEC_FLAG_PASS1;
3227 } else {
3228 video_enc->flags |= CODEC_FLAG_PASS2;
3229 }
3230 }
3231 }
3232
3233 /* reset some key parameters */
3234 video_disable = 0;
3235 video_codec_id = CODEC_ID_NONE;
3236 video_stream_copy = 0;
3237 }
3238
3239 static void new_audio_stream(AVFormatContext *oc)
3240 {
3241 AVStream *st;
3242 AVCodecContext *audio_enc;
3243 int codec_id, i;
3244
3245 st = av_new_stream(oc, oc->nb_streams);
3246 if (!st) {
3247 fprintf(stderr, "Could not alloc stream\n");
3248 exit(1);
3249 }
3250 #if defined(HAVE_THREADS)
3251 if(thread_count>1)
3252 avcodec_thread_init(st->codec, thread_count);
3253 #endif
3254
3255 audio_enc = st->codec;
3256 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3257
3258 if(audio_codec_tag)
3259 audio_enc->codec_tag= audio_codec_tag;
3260
3261 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3262 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3263 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3264 }
3265 if (audio_stream_copy) {
3266 st->stream_copy = 1;
3267 audio_enc->channels = audio_channels;
3268 } else {
3269 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3270
3271 for(i=0; i<opt_name_count; i++){
3272 AVOption *opt;
3273 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3274 if(d==d && (opt->flags&AV_OPT_FLAG_A