replace MULL by MULH + shift in dct32() (code is very slightly faster, and the compil...
[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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "swscale.h"
23 #include "framehook.h"
24 #include "dsputil.h"
25 #include "opt.h"
26
27 #ifndef __MINGW32__
28 #include <unistd.h>
29 #include <fcntl.h>
30 #include <sys/ioctl.h>
31 #include <sys/time.h>
32 #include <termios.h>
33 #include <sys/resource.h>
34 #include <signal.h>
35 #endif
36 #ifdef CONFIG_OS2
37 #include <sys/types.h>
38 #include <sys/select.h>
39 #include <stdlib.h>
40 #endif
41 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
42 #include <time.h>
43
44 #include "version.h"
45 #include "cmdutils.h"
46
47 #undef NDEBUG
48 #include <assert.h>
49
50 #if !defined(INFINITY) && defined(HUGE_VAL)
51 #define INFINITY HUGE_VAL
52 #endif
53
54 /* select an input stream for an output stream */
55 typedef struct AVStreamMap {
56 int file_index;
57 int stream_index;
58 int sync_file_index;
59 int sync_stream_index;
60 } AVStreamMap;
61
62 /** select an input file for an output file */
63 typedef struct AVMetaDataMap {
64 int out_file;
65 int in_file;
66 } AVMetaDataMap;
67
68 extern const OptionDef options[];
69
70 static void show_help(void);
71 static void show_license(void);
72 static int opt_default(const char *opt, const char *arg);
73
74 #define MAX_FILES 20
75
76 static AVFormatContext *input_files[MAX_FILES];
77 static int64_t input_files_ts_offset[MAX_FILES];
78 static int nb_input_files = 0;
79
80 static AVFormatContext *output_files[MAX_FILES];
81 static int nb_output_files = 0;
82
83 static AVStreamMap stream_maps[MAX_FILES];
84 static int nb_stream_maps;
85
86 static AVMetaDataMap meta_data_maps[MAX_FILES];
87 static int nb_meta_data_maps;
88
89 static AVInputFormat *file_iformat;
90 static AVOutputFormat *file_oformat;
91 static AVImageFormat *image_format;
92 static int frame_width = 0;
93 static int frame_height = 0;
94 static float frame_aspect_ratio = 0;
95 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
96 static int frame_padtop = 0;
97 static int frame_padbottom = 0;
98 static int frame_padleft = 0;
99 static int frame_padright = 0;
100 static int padcolor[3] = {16,128,128}; /* default to black */
101 static int frame_topBand = 0;
102 static int frame_bottomBand = 0;
103 static int frame_leftBand = 0;
104 static int frame_rightBand = 0;
105 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
106 static int frame_rate = 25;
107 static int frame_rate_base = 1;
108 static int video_bit_rate = 200*1000;
109 static int video_bit_rate_tolerance = 4000*1000;
110 static float video_qscale = 0;
111 static int video_qmin = 2;
112 static int video_qmax = 31;
113 static int video_lmin = 2*FF_QP2LAMBDA;
114 static int video_lmax = 31*FF_QP2LAMBDA;
115 static int video_mb_lmin = 2*FF_QP2LAMBDA;
116 static int video_mb_lmax = 31*FF_QP2LAMBDA;
117 static int video_qdiff = 3;
118 static float video_qblur = 0.5;
119 static float video_qsquish = 0.0;
120 static float video_qcomp = 0.5;
121 static uint16_t *intra_matrix = NULL;
122 static uint16_t *inter_matrix = NULL;
123 #if 0 //experimental, (can be removed)
124 static float video_rc_qsquish=1.0;
125 static float video_rc_qmod_amp=0;
126 static int video_rc_qmod_freq=0;
127 #endif
128 static char *video_rc_override_string=NULL;
129 static char *video_rc_eq="tex^qComp";
130 static int video_rc_buffer_size=0;
131 static float video_rc_buffer_aggressivity=1.0;
132 static int video_rc_max_rate=0;
133 static int video_rc_min_rate=0;
134 static float video_rc_initial_cplx=0;
135 static float video_b_qfactor = 1.25;
136 static float video_b_qoffset = 1.25;
137 static float video_i_qfactor = -0.8;
138 static float video_i_qoffset = 0.0;
139 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
140 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
141 static int me_method = ME_EPZS;
142 static int video_disable = 0;
143 static int video_discard = 0;
144 static int video_codec_id = CODEC_ID_NONE;
145 static int video_codec_tag = 0;
146 static int same_quality = 0;
147 static int b_frames = 0;
148 static int pre_me = 0;
149 static int do_deinterlace = 0;
150 static int workaround_bugs = FF_BUG_AUTODETECT;
151 static int packet_size = 0;
152 static int error_rate = 0;
153 static int strict = 0;
154 static int top_field_first = -1;
155 static int sc_threshold = 0;
156 static int me_threshold = 0;
157 static int mb_threshold = 0;
158 static int intra_dc_precision = 8;
159 static int me_penalty_compensation= 256;
160 static int frame_skip_threshold= 0;
161 static int frame_skip_factor= 0;
162 static int frame_skip_exp= 0;
163 static int loop_input = 0;
164 static int loop_output = AVFMT_NOOUTPUTLOOP;
165 static int genpts = 0;
166 static int qp_hist = 0;
167
168 static int gop_size = 12;
169 static int intra_only = 0;
170 static int audio_sample_rate = 44100;
171 static int audio_bit_rate = 64000;
172 #define QSCALE_NONE -99999
173 static float audio_qscale = QSCALE_NONE;
174 static int audio_disable = 0;
175 static int audio_channels = 1;
176 static int audio_codec_id = CODEC_ID_NONE;
177 static int audio_codec_tag = 0;
178 static char *audio_language = NULL;
179
180 static int subtitle_codec_id = CODEC_ID_NONE;
181 static char *subtitle_language = NULL;
182
183 static int mux_rate= 0;
184 static int mux_packet_size= 0;
185 static float mux_preload= 0.5;
186 static float mux_max_delay= 0.7;
187
188 static int64_t recording_time = 0;
189 static int64_t start_time = 0;
190 static int64_t rec_timestamp = 0;
191 static int64_t input_ts_offset = 0;
192 static int file_overwrite = 0;
193 static char *str_title = NULL;
194 static char *str_author = NULL;
195 static char *str_copyright = NULL;
196 static char *str_comment = NULL;
197 static int do_benchmark = 0;
198 static int do_hex_dump = 0;
199 static int do_pkt_dump = 0;
200 static int do_psnr = 0;
201 static int do_vstats = 0;
202 static int do_pass = 0;
203 static char *pass_logfilename = NULL;
204 static int audio_stream_copy = 0;
205 static int video_stream_copy = 0;
206 static int subtitle_stream_copy = 0;
207 static int video_sync_method= 1;
208 static int audio_sync_method= 0;
209 static int copy_ts= 0;
210 static int opt_shortest = 0; //
211 static int video_global_header = 0;
212
213 static int rate_emu = 0;
214
215 #ifdef CONFIG_BKTR
216 static const char *video_grab_format = "bktr";
217 #else
218 #ifdef CONFIG_VIDEO4LINUX2
219 static const char *video_grab_format = "video4linux2";
220 #else
221 static const char *video_grab_format = "video4linux";
222 #endif
223 #endif
224 static char *video_device = NULL;
225 static char *grab_device = NULL;
226 static int video_channel = 0;
227 static char *video_standard = "ntsc";
228
229 static const char *audio_grab_format = "audio_device";
230 static char *audio_device = NULL;
231 static int audio_volume = 256;
232
233 static int using_stdin = 0;
234 static int using_vhook = 0;
235 static int verbose = 1;
236 static int thread_count= 1;
237 static int q_pressed = 0;
238 static int me_range = 0;
239 static int64_t video_size = 0;
240 static int64_t audio_size = 0;
241 static int64_t extra_size = 0;
242 static int nb_frames_dup = 0;
243 static int nb_frames_drop = 0;
244 static int input_sync;
245 static int limit_filesize = 0; //
246
247 static int pgmyuv_compatibility_hack=0;
248 static int dts_delta_threshold = 10;
249
250 static int sws_flags = SWS_BICUBIC;
251
252 const char **opt_names=NULL;
253 int opt_name_count=0;
254 AVCodecContext *avctx_opts;
255
256 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
257 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
258 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
259
260 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
261
262 struct AVInputStream;
263
264 typedef struct AVOutputStream {
265 int file_index; /* file index */
266 int index; /* stream index in the output file */
267 int source_index; /* AVInputStream index */
268 AVStream *st; /* stream in the output file */
269 int encoding_needed; /* true if encoding needed for this stream */
270 int frame_number;
271 /* input pts and corresponding output pts
272 for A/V sync */
273 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
274 struct AVInputStream *sync_ist; /* input stream to sync against */
275 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
276 /* video only */
277 int video_resample;
278 AVFrame pict_tmp; /* temporary image for resampling */
279 struct SwsContext *img_resample_ctx; /* for image resampling */
280 int resample_height;
281
282 int video_crop;
283 int topBand; /* cropping area sizes */
284 int leftBand;
285
286 int video_pad;
287 int padtop; /* padding area sizes */
288 int padbottom;
289 int padleft;
290 int padright;
291
292 /* audio only */
293 int audio_resample;
294 ReSampleContext *resample; /* for audio resampling */
295 FifoBuffer fifo; /* for compression: one audio fifo per codec */
296 FILE *logfile;
297 } AVOutputStream;
298
299 typedef struct AVInputStream {
300 int file_index;
301 int index;
302 AVStream *st;
303 int discard; /* true if stream data should be discarded */
304 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
305 int64_t sample_index; /* current sample */
306
307 int64_t start; /* time when read started */
308 unsigned long frame; /* current frame */
309 int64_t next_pts; /* synthetic pts for cases where pkt.pts
310 is not defined */
311 int64_t pts; /* current pts */
312 int is_start; /* is 1 at the start and after a discontinuity */
313 } AVInputStream;
314
315 typedef struct AVInputFile {
316 int eof_reached; /* true if eof reached */
317 int ist_index; /* index of first stream in ist_table */
318 int buffer_size; /* current total buffer size */
319 int buffer_size_max; /* buffer size at which we consider we can stop
320 buffering */
321 int nb_streams; /* nb streams we are aware of */
322 } AVInputFile;
323
324 #ifndef __MINGW32__
325
326 /* init terminal so that we can grab keys */
327 static struct termios oldtty;
328
329 static void term_exit(void)
330 {
331 tcsetattr (0, TCSANOW, &oldtty);
332 }
333
334 static volatile sig_atomic_t received_sigterm = 0;
335
336 static void
337 sigterm_handler(int sig)
338 {
339 received_sigterm = sig;
340 term_exit();
341 }
342
343 static void term_init(void)
344 {
345 struct termios tty;
346
347 tcgetattr (0, &tty);
348 oldtty = tty;
349
350 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
351 |INLCR|IGNCR|ICRNL|IXON);
352 tty.c_oflag |= OPOST;
353 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
354 tty.c_cflag &= ~(CSIZE|PARENB);
355 tty.c_cflag |= CS8;
356 tty.c_cc[VMIN] = 1;
357 tty.c_cc[VTIME] = 0;
358
359 tcsetattr (0, TCSANOW, &tty);
360
361 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
362 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
363 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
364 /*
365 register a function to be called at normal program termination
366 */
367 atexit(term_exit);
368 #ifdef CONFIG_BEOS_NETSERVER
369 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
370 #endif
371 }
372
373 /* read a key without blocking */
374 static int read_key(void)
375 {
376 int n = 1;
377 unsigned char ch;
378 #ifndef CONFIG_BEOS_NETSERVER
379 struct timeval tv;
380 fd_set rfds;
381
382 FD_ZERO(&rfds);
383 FD_SET(0, &rfds);
384 tv.tv_sec = 0;
385 tv.tv_usec = 0;
386 n = select(1, &rfds, NULL, NULL, &tv);
387 #endif
388 if (n > 0) {
389 n = read(0, &ch, 1);
390 if (n == 1)
391 return ch;
392
393 return n;
394 }
395 return -1;
396 }
397
398 static int decode_interrupt_cb(void)
399 {
400 return q_pressed || (q_pressed = read_key() == 'q');
401 }
402
403 #else
404
405 static volatile int received_sigterm = 0;
406
407 /* no interactive support */
408 static void term_exit(void)
409 {
410 }
411
412 static void term_init(void)
413 {
414 }
415
416 static int read_key(void)
417 {
418 return 0;
419 }
420
421 #endif
422
423 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
424 {
425 int i, err;
426 AVFormatContext *ic;
427
428 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
429 if (err < 0)
430 return err;
431 /* copy stream format */
432 s->nb_streams = ic->nb_streams;
433 for(i=0;i<ic->nb_streams;i++) {
434 AVStream *st;
435
436 // FIXME: a more elegant solution is needed
437 st = av_mallocz(sizeof(AVStream));
438 memcpy(st, ic->streams[i], sizeof(AVStream));
439 st->codec = avcodec_alloc_context();
440 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
441 s->streams[i] = st;
442 }
443
444 av_close_input_file(ic);
445 return 0;
446 }
447
448 static double
449 get_sync_ipts(const AVOutputStream *ost)
450 {
451 const AVInputStream *ist = ost->sync_ist;
452 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
453 }
454
455 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
456 while(bsfc){
457 AVPacket new_pkt= *pkt;
458 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
459 &new_pkt.data, &new_pkt.size,
460 pkt->data, pkt->size,
461 pkt->flags & PKT_FLAG_KEY);
462 if(a){
463 av_free_packet(pkt);
464 new_pkt.destruct= av_destruct_packet;
465 }
466 *pkt= new_pkt;
467
468 bsfc= bsfc->next;
469 }
470
471 av_interleaved_write_frame(s, pkt);
472 }
473
474 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
475
476 static void do_audio_out(AVFormatContext *s,
477 AVOutputStream *ost,
478 AVInputStream *ist,
479 unsigned char *buf, int size)
480 {
481 uint8_t *buftmp;
482 static uint8_t *audio_buf = NULL;
483 static uint8_t *audio_out = NULL;
484 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
485
486 int size_out, frame_bytes, ret;
487 AVCodecContext *enc= ost->st->codec;
488
489 /* SC: dynamic allocation of buffers */
490 if (!audio_buf)
491 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
492 if (!audio_out)
493 audio_out = av_malloc(audio_out_size);
494 if (!audio_buf || !audio_out)
495 return; /* Should signal an error ! */
496
497 if(audio_sync_method){
498 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
499 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
500 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
501 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
502
503 //FIXME resample delay
504 if(fabs(delta) > 50){
505 if(ist->is_start){
506 if(byte_delta < 0){
507 byte_delta= FFMAX(byte_delta, -size);
508 size += byte_delta;
509 buf -= byte_delta;
510 if(verbose > 2)
511 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
512 if(!size)
513 return;
514 ist->is_start=0;
515 }else{
516 static uint8_t *input_tmp= NULL;
517 input_tmp= av_realloc(input_tmp, byte_delta + size);
518
519 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
520 ist->is_start=0;
521 else
522 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
523
524 memset(input_tmp, 0, byte_delta);
525 memcpy(input_tmp + byte_delta, buf, size);
526 buf= input_tmp;
527 size += byte_delta;
528 if(verbose > 2)
529 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
530 }
531 }else if(audio_sync_method>1){
532 int comp= clip(delta, -audio_sync_method, audio_sync_method);
533 assert(ost->audio_resample);
534 if(verbose > 2)
535 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
536 // 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));
537 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
538 }
539 }
540 }else
541 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
542 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
543
544 if (ost->audio_resample) {
545 buftmp = audio_buf;
546 size_out = audio_resample(ost->resample,
547 (short *)buftmp, (short *)buf,
548 size / (ist->st->codec->channels * 2));
549 size_out = size_out * enc->channels * 2;
550 } else {
551 buftmp = buf;
552 size_out = size;
553 }
554
555 /* now encode as many frames as possible */
556 if (enc->frame_size > 1) {
557 /* output resampled raw samples */
558 fifo_write(&ost->fifo, buftmp, size_out,
559 &ost->fifo.wptr);
560
561 frame_bytes = enc->frame_size * 2 * enc->channels;
562
563 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
564 &ost->fifo.rptr) == 0) {
565 AVPacket pkt;
566 av_init_packet(&pkt);
567
568 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
569 (short *)audio_buf);
570 audio_size += ret;
571 pkt.stream_index= ost->index;
572 pkt.data= audio_out;
573 pkt.size= ret;
574 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
575 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
576 pkt.flags |= PKT_FLAG_KEY;
577 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
578
579 ost->sync_opts += enc->frame_size;
580 }
581 } else {
582 AVPacket pkt;
583 av_init_packet(&pkt);
584
585 ost->sync_opts += size_out / (2 * enc->channels);
586
587 /* output a pcm frame */
588 /* XXX: change encoding codec API to avoid this ? */
589 switch(enc->codec->id) {
590 case CODEC_ID_PCM_S32LE:
591 case CODEC_ID_PCM_S32BE:
592 case CODEC_ID_PCM_U32LE:
593 case CODEC_ID_PCM_U32BE:
594 size_out = size_out << 1;
595 break;
596 case CODEC_ID_PCM_S24LE:
597 case CODEC_ID_PCM_S24BE:
598 case CODEC_ID_PCM_U24LE:
599 case CODEC_ID_PCM_U24BE:
600 case CODEC_ID_PCM_S24DAUD:
601 size_out = size_out / 2 * 3;
602 break;
603 case CODEC_ID_PCM_S16LE:
604 case CODEC_ID_PCM_S16BE:
605 case CODEC_ID_PCM_U16LE:
606 case CODEC_ID_PCM_U16BE:
607 break;
608 default:
609 size_out = size_out >> 1;
610 break;
611 }
612 ret = avcodec_encode_audio(enc, audio_out, size_out,
613 (short *)buftmp);
614 audio_size += ret;
615 pkt.stream_index= ost->index;
616 pkt.data= audio_out;
617 pkt.size= ret;
618 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
619 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
620 pkt.flags |= PKT_FLAG_KEY;
621 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
622 }
623 }
624
625 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
626 {
627 AVCodecContext *dec;
628 AVPicture *picture2;
629 AVPicture picture_tmp;
630 uint8_t *buf = 0;
631
632 dec = ist->st->codec;
633
634 /* deinterlace : must be done before any resize */
635 if (do_deinterlace || using_vhook) {
636 int size;
637
638 /* create temporary picture */
639 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
640 buf = av_malloc(size);
641 if (!buf)
642 return;
643
644 picture2 = &picture_tmp;
645 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
646
647 if (do_deinterlace){
648 if(avpicture_deinterlace(picture2, picture,
649 dec->pix_fmt, dec->width, dec->height) < 0) {
650 /* if error, do not deinterlace */
651 av_free(buf);
652 buf = NULL;
653 picture2 = picture;
654 }
655 } else {
656 img_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
657 }
658 } else {
659 picture2 = picture;
660 }
661
662 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
663
664 if (picture != picture2)
665 *picture = *picture2;
666 *bufp = buf;
667 }
668
669 /* we begin to correct av delay at this threshold */
670 #define AV_DELAY_MAX 0.100
671
672 static void do_subtitle_out(AVFormatContext *s,
673 AVOutputStream *ost,
674 AVInputStream *ist,
675 AVSubtitle *sub,
676 int64_t pts)
677 {
678 static uint8_t *subtitle_out = NULL;
679 int subtitle_out_max_size = 65536;
680 int subtitle_out_size, nb, i;
681 AVCodecContext *enc;
682 AVPacket pkt;
683
684 if (pts == AV_NOPTS_VALUE) {
685 fprintf(stderr, "Subtitle packets must have a pts\n");
686 return;
687 }
688
689 enc = ost->st->codec;
690
691 if (!subtitle_out) {
692 subtitle_out = av_malloc(subtitle_out_max_size);
693 }
694
695 /* Note: DVB subtitle need one packet to draw them and one other
696 packet to clear them */
697 /* XXX: signal it in the codec context ? */
698 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
699 nb = 2;
700 else
701 nb = 1;
702
703 for(i = 0; i < nb; i++) {
704 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
705 subtitle_out_max_size, sub);
706
707 av_init_packet(&pkt);
708 pkt.stream_index = ost->index;
709 pkt.data = subtitle_out;
710 pkt.size = subtitle_out_size;
711 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);
712 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
713 /* XXX: the pts correction is handled here. Maybe handling
714 it in the codec would be better */
715 if (i == 0)
716 pkt.pts += 90 * sub->start_display_time;
717 else
718 pkt.pts += 90 * sub->end_display_time;
719 }
720 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
721 }
722 }
723
724 static int bit_buffer_size= 1024*256;
725 static uint8_t *bit_buffer= NULL;
726
727 static void do_video_out(AVFormatContext *s,
728 AVOutputStream *ost,
729 AVInputStream *ist,
730 AVFrame *in_picture,
731 int *frame_size)
732 {
733 int nb_frames, i, ret;
734 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
735 AVFrame picture_crop_temp, picture_pad_temp;
736 uint8_t *buf = NULL, *buf1 = NULL;
737 AVCodecContext *enc, *dec;
738
739 avcodec_get_frame_defaults(&picture_crop_temp);
740 avcodec_get_frame_defaults(&picture_pad_temp);
741
742 enc = ost->st->codec;
743 dec = ist->st->codec;
744
745 /* by default, we output a single frame */
746 nb_frames = 1;
747
748 *frame_size = 0;
749
750 if(video_sync_method){
751 double vdelta;
752 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
753 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
754 if (vdelta < -1.1)
755 nb_frames = 0;
756 else if (vdelta > 1.1)
757 nb_frames = lrintf(vdelta);
758 //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);
759 if (nb_frames == 0){
760 ++nb_frames_drop;
761 if (verbose>2)
762 fprintf(stderr, "*** drop!\n");
763 }else if (nb_frames > 1) {
764 nb_frames_dup += nb_frames;
765 if (verbose>2)
766 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
767 }
768 }else
769 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
770
771 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
772 if (nb_frames <= 0)
773 return;
774
775 if (ost->video_crop) {
776 if (img_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
777 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
778 goto the_end;
779 }
780 formatted_picture = &picture_crop_temp;
781 } else {
782 formatted_picture = in_picture;
783 }
784
785 final_picture = formatted_picture;
786 padding_src = formatted_picture;
787 resampling_dst = &ost->pict_tmp;
788 if (ost->video_pad) {
789 final_picture = &ost->pict_tmp;
790 if (ost->video_resample) {
791 if (img_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
792 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
793 goto the_end;
794 }
795 resampling_dst = &picture_pad_temp;
796 }
797 }
798
799 if (ost->video_resample) {
800 padding_src = NULL;
801 final_picture = &ost->pict_tmp;
802 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
803 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
804 }
805
806 if (ost->video_pad) {
807 img_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
808 enc->height, enc->width, enc->pix_fmt,
809 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
810 }
811
812 /* duplicates frame if needed */
813 for(i=0;i<nb_frames;i++) {
814 AVPacket pkt;
815 av_init_packet(&pkt);
816 pkt.stream_index= ost->index;
817
818 if (s->oformat->flags & AVFMT_RAWPICTURE) {
819 /* raw pictures are written as AVPicture structure to
820 avoid any copies. We support temorarily the older
821 method. */
822 AVFrame* old_frame = enc->coded_frame;
823 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
824 pkt.data= (uint8_t *)final_picture;
825 pkt.size= sizeof(AVPicture);
826 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
827 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
828 if(dec->coded_frame && dec->coded_frame->key_frame)
829 pkt.flags |= PKT_FLAG_KEY;
830
831 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
832 enc->coded_frame = old_frame;
833 } else {
834 AVFrame big_picture;
835
836 big_picture= *final_picture;
837 /* better than nothing: use input picture interlaced
838 settings */
839 big_picture.interlaced_frame = in_picture->interlaced_frame;
840 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
841 if(top_field_first == -1)
842 big_picture.top_field_first = in_picture->top_field_first;
843 else
844 big_picture.top_field_first = top_field_first;
845 }
846
847 /* handles sameq here. This is not correct because it may
848 not be a global option */
849 if (same_quality) {
850 big_picture.quality = ist->st->quality;
851 }else
852 big_picture.quality = ost->st->quality;
853 if(!me_threshold)
854 big_picture.pict_type = 0;
855 // big_picture.pts = AV_NOPTS_VALUE;
856 big_picture.pts= ost->sync_opts;
857 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
858 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
859 ret = avcodec_encode_video(enc,
860 bit_buffer, bit_buffer_size,
861 &big_picture);
862 //enc->frame_number = enc->real_pict_num;
863 if(ret>0){
864 pkt.data= bit_buffer;
865 pkt.size= ret;
866 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
867 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
868 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
869 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
870 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
871
872 if(enc->coded_frame && enc->coded_frame->key_frame)
873 pkt.flags |= PKT_FLAG_KEY;
874 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
875 *frame_size = ret;
876 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
877 // enc->frame_number-1, enc->real_pict_num, ret,
878 // enc->pict_type);
879 /* if two pass, output log */
880 if (ost->logfile && enc->stats_out) {
881 fprintf(ost->logfile, "%s", enc->stats_out);
882 }
883 }
884 }
885 ost->sync_opts++;
886 ost->frame_number++;
887 }
888 the_end:
889 av_free(buf);
890 av_free(buf1);
891 }
892
893 static double psnr(double d){
894 if(d==0) return INFINITY;
895 return -10.0*log(d)/log(10.0);
896 }
897
898 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
899 int frame_size)
900 {
901 static FILE *fvstats=NULL;
902 char filename[40];
903 time_t today2;
904 struct tm *today;
905 AVCodecContext *enc;
906 int frame_number;
907 int64_t ti;
908 double ti1, bitrate, avg_bitrate;
909
910 if (!fvstats) {
911 today2 = time(NULL);
912 today = localtime(&today2);
913 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
914 today->tm_min,
915 today->tm_sec);
916 fvstats = fopen(filename,"w");
917 if (!fvstats) {
918 perror("fopen");
919 exit(1);
920 }
921 }
922
923 ti = MAXINT64;
924 enc = ost->st->codec;
925 if (enc->codec_type == CODEC_TYPE_VIDEO) {
926 frame_number = ost->frame_number;
927 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
928 if (enc->flags&CODEC_FLAG_PSNR)
929 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
930
931 fprintf(fvstats,"f_size= %6d ", frame_size);
932 /* compute pts value */
933 ti1 = ost->sync_opts * av_q2d(enc->time_base);
934 if (ti1 < 0.01)
935 ti1 = 0.01;
936
937 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
938 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
939 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
940 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
941 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
942 }
943 }
944
945 static void print_report(AVFormatContext **output_files,
946 AVOutputStream **ost_table, int nb_ostreams,
947 int is_last_report)
948 {
949 char buf[1024];
950 AVOutputStream *ost;
951 AVFormatContext *oc, *os;
952 int64_t total_size;
953 AVCodecContext *enc;
954 int frame_number, vid, i;
955 double bitrate, ti1, pts;
956 static int64_t last_time = -1;
957 static int qp_histogram[52];
958
959 if (!is_last_report) {
960 int64_t cur_time;
961 /* display the report every 0.5 seconds */
962 cur_time = av_gettime();
963 if (last_time == -1) {
964 last_time = cur_time;
965 return;
966 }
967 if ((cur_time - last_time) < 500000)
968 return;
969 last_time = cur_time;
970 }
971
972
973 oc = output_files[0];
974
975 total_size = url_ftell(&oc->pb);
976
977 buf[0] = '\0';
978 ti1 = 1e10;
979 vid = 0;
980 for(i=0;i<nb_ostreams;i++) {
981 ost = ost_table[i];
982 os = output_files[ost->file_index];
983 enc = ost->st->codec;
984 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
985 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
986 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
987 }
988 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
989 frame_number = ost->frame_number;
990 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
991 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
992 if(is_last_report)
993 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
994 if(qp_hist && enc->coded_frame){
995 int j;
996 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
997 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
998 qp_histogram[qp]++;
999 for(j=0; j<32; j++)
1000 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1001 }
1002 if (enc->flags&CODEC_FLAG_PSNR){
1003 int j;
1004 double error, error_sum=0;
1005 double scale, scale_sum=0;
1006 char type[3]= {'Y','U','V'};
1007 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1008 for(j=0; j<3; j++){
1009 if(is_last_report){
1010 error= enc->error[j];
1011 scale= enc->width*enc->height*255.0*255.0*frame_number;
1012 }else{
1013 error= enc->coded_frame->error[j];
1014 scale= enc->width*enc->height*255.0*255.0;
1015 }
1016 if(j) scale/=4;
1017 error_sum += error;
1018 scale_sum += scale;
1019 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1020 }
1021 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1022 }
1023 vid = 1;
1024 }
1025 /* compute min output value */
1026 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1027 if ((pts < ti1) && (pts > 0))
1028 ti1 = pts;
1029 }
1030 if (ti1 < 0.01)
1031 ti1 = 0.01;
1032
1033 if (verbose || is_last_report) {
1034 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1035
1036 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1037 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1038 (double)total_size / 1024, ti1, bitrate);
1039
1040 if (verbose > 1)
1041 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1042 nb_frames_dup, nb_frames_drop);
1043
1044 if (verbose >= 0)
1045 fprintf(stderr, "%s \r", buf);
1046
1047 fflush(stderr);
1048 }
1049
1050 if (is_last_report && verbose >= 0){
1051 int64_t raw= audio_size + video_size + extra_size;
1052 fprintf(stderr, "\n");
1053 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1054 video_size/1024.0,
1055 audio_size/1024.0,
1056 extra_size/1024.0,
1057 100.0*(total_size - raw)/raw
1058 );
1059 }
1060 }
1061
1062 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1063 static int output_packet(AVInputStream *ist, int ist_index,
1064 AVOutputStream **ost_table, int nb_ostreams,
1065 const AVPacket *pkt)
1066 {
1067 AVFormatContext *os;
1068 AVOutputStream *ost;
1069 uint8_t *ptr;
1070 int len, ret, i;
1071 uint8_t *data_buf;
1072 int data_size, got_picture;
1073 AVFrame picture;
1074 void *buffer_to_free;
1075 static unsigned int samples_size= 0;
1076 static short *samples= NULL;
1077 AVSubtitle subtitle, *subtitle_to_free;
1078 int got_subtitle;
1079
1080 if(!pkt){
1081 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1082 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1083 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1084 } else {
1085 // assert(ist->pts == ist->next_pts);
1086 }
1087
1088 if (pkt == NULL) {
1089 /* EOF handling */
1090 ptr = NULL;
1091 len = 0;
1092 goto handle_eof;
1093 }
1094
1095 len = pkt->size;
1096 ptr = pkt->data;
1097 while (len > 0) {
1098 handle_eof:
1099 /* decode the packet if needed */
1100 data_buf = NULL; /* fail safe */
1101 data_size = 0;
1102 subtitle_to_free = NULL;
1103 if (ist->decoding_needed) {
1104 switch(ist->st->codec->codec_type) {
1105 case CODEC_TYPE_AUDIO:{
1106 if(pkt)
1107 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1108 /* XXX: could avoid copy if PCM 16 bits with same
1109 endianness as CPU */
1110 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1111 ptr, len);
1112 if (ret < 0)
1113 goto fail_decode;
1114 ptr += ret;
1115 len -= ret;
1116 /* Some bug in mpeg audio decoder gives */
1117 /* data_size < 0, it seems they are overflows */
1118 if (data_size <= 0) {
1119 /* no audio frame */
1120 continue;
1121 }
1122 data_buf = (uint8_t *)samples;
1123 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1124 (ist->st->codec->sample_rate * ist->st->codec->channels);
1125 break;}
1126 case CODEC_TYPE_VIDEO:
1127 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1128 /* XXX: allocate picture correctly */
1129 avcodec_get_frame_defaults(&picture);
1130
1131 ret = avcodec_decode_video(ist->st->codec,
1132 &picture, &got_picture, ptr, len);
1133 ist->st->quality= picture.quality;
1134 if (ret < 0)
1135 goto fail_decode;
1136 if (!got_picture) {
1137 /* no picture yet */
1138 goto discard_packet;
1139 }
1140 if (ist->st->codec->time_base.num != 0) {
1141 ist->next_pts += ((int64_t)AV_TIME_BASE *
1142 ist->st->codec->time_base.num) /
1143 ist->st->codec->time_base.den;
1144 }
1145 len = 0;
1146 break;
1147 case CODEC_TYPE_SUBTITLE:
1148 ret = avcodec_decode_subtitle(ist->st->codec,
1149 &subtitle, &got_subtitle, ptr, len);
1150 if (ret < 0)
1151 goto fail_decode;
1152 if (!got_subtitle) {
1153 goto discard_packet;
1154 }
1155 subtitle_to_free = &subtitle;
1156 len = 0;
1157 break;
1158 default:
1159 goto fail_decode;
1160 }
1161 } else {
1162 switch(ist->st->codec->codec_type) {
1163 case CODEC_TYPE_AUDIO:
1164 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1165 (ist->st->codec->sample_rate * ist->st->codec->channels);
1166 break;
1167 case CODEC_TYPE_VIDEO:
1168 if (ist->st->codec->time_base.num != 0) {
1169 ist->next_pts += ((int64_t)AV_TIME_BASE *
1170 ist->st->codec->time_base.num) /
1171 ist->st->codec->time_base.den;
1172 }
1173 break;
1174 }
1175 data_buf = ptr;
1176 data_size = len;
1177 ret = len;
1178 len = 0;
1179 }
1180
1181 buffer_to_free = NULL;
1182 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1183 pre_process_video_frame(ist, (AVPicture *)&picture,
1184 &buffer_to_free);
1185 }
1186
1187 // preprocess audio (volume)
1188 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1189 if (audio_volume != 256) {
1190 short *volp;
1191 volp = samples;
1192 for(i=0;i<(data_size / sizeof(short));i++) {
1193 int v = ((*volp) * audio_volume + 128) >> 8;
1194 if (v < -32768) v = -32768;
1195 if (v > 32767) v = 32767;
1196 *volp++ = v;
1197 }
1198 }
1199 }
1200
1201 /* frame rate emulation */
1202 if (ist->st->codec->rate_emu) {
1203 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1204 int64_t now = av_gettime() - ist->start;
1205 if (pts > now)
1206 usleep(pts - now);
1207
1208 ist->frame++;
1209 }
1210
1211 #if 0
1212 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1213 is the one of the next displayed one */
1214 /* XXX: add mpeg4 too ? */
1215 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1216 if (ist->st->codec->pict_type != B_TYPE) {
1217 int64_t tmp;
1218 tmp = ist->last_ip_pts;
1219 ist->last_ip_pts = ist->frac_pts.val;
1220 ist->frac_pts.val = tmp;
1221 }
1222 }
1223 #endif
1224 /* if output time reached then transcode raw format,
1225 encode packets and output them */
1226 if (start_time == 0 || ist->pts >= start_time)
1227 for(i=0;i<nb_ostreams;i++) {
1228 int frame_size;
1229
1230 ost = ost_table[i];
1231 if (ost->source_index == ist_index) {
1232 os = output_files[ost->file_index];
1233
1234 #if 0
1235 printf("%d: got pts=%0.3f %0.3f\n", i,
1236 (double)pkt->pts / AV_TIME_BASE,
1237 ((double)ist->pts / AV_TIME_BASE) -
1238 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1239 #endif
1240 /* set the input output pts pairs */
1241 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1242
1243 if (ost->encoding_needed) {
1244 switch(ost->st->codec->codec_type) {
1245 case CODEC_TYPE_AUDIO:
1246 do_audio_out(os, ost, ist, data_buf, data_size);
1247 break;
1248 case CODEC_TYPE_VIDEO:
1249 do_video_out(os, ost, ist, &picture, &frame_size);
1250 video_size += frame_size;
1251 if (do_vstats && frame_size)
1252 do_video_stats(os, ost, frame_size);
1253 break;
1254 case CODEC_TYPE_SUBTITLE:
1255 do_subtitle_out(os, ost, ist, &subtitle,
1256 pkt->pts);
1257 break;
1258 default:
1259 av_abort();
1260 }
1261 } else {
1262 AVFrame avframe; //FIXME/XXX remove this
1263 AVPacket opkt;
1264 av_init_packet(&opkt);
1265
1266 /* no reencoding needed : output the packet directly */
1267 /* force the input stream PTS */
1268
1269 avcodec_get_frame_defaults(&avframe);
1270 ost->st->codec->coded_frame= &avframe;
1271 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1272
1273 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1274 audio_size += data_size;
1275 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1276 video_size += data_size;
1277 ost->sync_opts++;
1278 }
1279
1280 opkt.stream_index= ost->index;
1281 if(pkt->pts != AV_NOPTS_VALUE)
1282 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);
1283 else
1284 opkt.pts= AV_NOPTS_VALUE;
1285
1286 {
1287 int64_t dts;
1288 if (pkt->dts == AV_NOPTS_VALUE)
1289 dts = ist->next_pts;
1290 else
1291 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1292 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1293 }
1294 opkt.flags= pkt->flags;
1295
1296 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1297 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1298 opkt.destruct= av_destruct_packet;
1299
1300 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1301 ost->st->codec->frame_number++;
1302 ost->frame_number++;
1303 av_free_packet(&opkt);
1304 }
1305 }
1306 }
1307 av_free(buffer_to_free);
1308 /* XXX: allocate the subtitles in the codec ? */
1309 if (subtitle_to_free) {
1310 if (subtitle_to_free->rects != NULL) {
1311 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1312 av_free(subtitle_to_free->rects[i].bitmap);
1313 av_free(subtitle_to_free->rects[i].rgba_palette);
1314 }
1315 av_freep(&subtitle_to_free->rects);
1316 }
1317 subtitle_to_free->num_rects = 0;
1318 subtitle_to_free = NULL;
1319 }
1320 }
1321 discard_packet:
1322 if (pkt == NULL) {
1323 /* EOF handling */
1324
1325 for(i=0;i<nb_ostreams;i++) {
1326 ost = ost_table[i];
1327 if (ost->source_index == ist_index) {
1328 AVCodecContext *enc= ost->st->codec;
1329 os = output_files[ost->file_index];
1330
1331 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1332 continue;
1333 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1334 continue;
1335
1336 if (ost->encoding_needed) {
1337 for(;;) {
1338 AVPacket pkt;
1339 int fifo_bytes;
1340 av_init_packet(&pkt);
1341 pkt.stream_index= ost->index;
1342
1343 switch(ost->st->codec->codec_type) {
1344 case CODEC_TYPE_AUDIO:
1345 fifo_bytes = fifo_size(&ost->fifo, NULL);
1346 ret = 0;
1347 /* encode any samples remaining in fifo */
1348 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1349 int fs_tmp = enc->frame_size;
1350 enc->frame_size = fifo_bytes / (2 * enc->channels);
1351 if(fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes,
1352 &ost->fifo.rptr) == 0) {
1353 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1354 }
1355 enc->frame_size = fs_tmp;
1356 }
1357 if(ret <= 0) {
1358 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1359 }
1360 audio_size += ret;
1361 pkt.flags |= PKT_FLAG_KEY;
1362 break;
1363 case CODEC_TYPE_VIDEO:
1364 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1365 video_size += ret;
1366 if(enc->coded_frame && enc->coded_frame->key_frame)
1367 pkt.flags |= PKT_FLAG_KEY;
1368 if (ost->logfile && enc->stats_out) {
1369 fprintf(ost->logfile, "%s", enc->stats_out);
1370 }
1371 break;
1372 default:
1373 ret=-1;
1374 }
1375
1376 if(ret<=0)
1377 break;
1378 pkt.data= bit_buffer;
1379 pkt.size= ret;
1380 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1381 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1382 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1383 }
1384 }
1385 }
1386 }
1387 }
1388
1389 return 0;
1390 fail_decode:
1391 return -1;
1392 }
1393
1394
1395 /*
1396 * The following code is the main loop of the file converter
1397 */
1398 static int av_encode(AVFormatContext **output_files,
1399 int nb_output_files,
1400 AVFormatContext **input_files,
1401 int nb_input_files,
1402 AVStreamMap *stream_maps, int nb_stream_maps)
1403 {
1404 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1405 AVFormatContext *is, *os;
1406 AVCodecContext *codec, *icodec;
1407 AVOutputStream *ost, **ost_table = NULL;
1408 AVInputStream *ist, **ist_table = NULL;
1409 AVInputFile *file_table;
1410 AVFormatContext *stream_no_data;
1411 int key;
1412
1413 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1414 if (!file_table)
1415 goto fail;
1416
1417 /* input stream init */
1418 j = 0;
1419 for(i=0;i<nb_input_files;i++) {
1420 is = input_files[i];
1421 file_table[i].ist_index = j;
1422 file_table[i].nb_streams = is->nb_streams;
1423 j += is->nb_streams;
1424 }
1425 nb_istreams = j;
1426
1427 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1428 if (!ist_table)
1429 goto fail;
1430
1431 for(i=0;i<nb_istreams;i++) {
1432 ist = av_mallocz(sizeof(AVInputStream));
1433 if (!ist)
1434 goto fail;
1435 ist_table[i] = ist;
1436 }
1437 j = 0;
1438 for(i=0;i<nb_input_files;i++) {
1439 is = input_files[i];
1440 for(k=0;k<is->nb_streams;k++) {
1441 ist = ist_table[j++];
1442 ist->st = is->streams[k];
1443 ist->file_index = i;
1444 ist->index = k;
1445 ist->discard = 1; /* the stream is discarded by default
1446 (changed later) */
1447
1448 if (ist->st->codec->rate_emu) {
1449 ist->start = av_gettime();
1450 ist->frame = 0;
1451 }
1452 }
1453 }
1454
1455 /* output stream init */
1456 nb_ostreams = 0;
1457 for(i=0;i<nb_output_files;i++) {
1458 os = output_files[i];
1459 nb_ostreams += os->nb_streams;
1460 }
1461 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1462 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1463 exit(1);
1464 }
1465
1466 /* Sanity check the mapping args -- do the input files & streams exist? */
1467 for(i=0;i<nb_stream_maps;i++) {
1468 int fi = stream_maps[i].file_index;
1469 int si = stream_maps[i].stream_index;
1470
1471 if (fi < 0 || fi > nb_input_files - 1 ||
1472 si < 0 || si > file_table[fi].nb_streams - 1) {
1473 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1474 exit(1);
1475 }
1476 fi = stream_maps[i].sync_file_index;
1477 si = stream_maps[i].sync_stream_index;
1478 if (fi < 0 || fi > nb_input_files - 1 ||
1479 si < 0 || si > file_table[fi].nb_streams - 1) {
1480 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1481 exit(1);
1482 }
1483 }
1484
1485 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1486 if (!ost_table)
1487 goto fail;
1488 for(i=0;i<nb_ostreams;i++) {
1489 ost = av_mallocz(sizeof(AVOutputStream));
1490 if (!ost)
1491 goto fail;
1492 ost_table[i] = ost;
1493 }
1494
1495 n = 0;
1496 for(k=0;k<nb_output_files;k++) {
1497 os = output_files[k];
1498 for(i=0;i<os->nb_streams;i++) {
1499 int found;
1500 ost = ost_table[n++];
1501 ost->file_index = k;
1502 ost->index = i;
1503 ost->st = os->streams[i];
1504 if (nb_stream_maps > 0) {
1505 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1506 stream_maps[n-1].stream_index;
1507
1508 /* Sanity check that the stream types match */
1509 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1510 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1511 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1512 ost->file_index, ost->index);
1513 exit(1);
1514 }
1515
1516 } else {
1517 /* get corresponding input stream index : we select the first one with the right type */
1518 found = 0;
1519 for(j=0;j<nb_istreams;j++) {
1520 ist = ist_table[j];
1521 if (ist->discard &&
1522 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1523 ost->source_index = j;
1524 found = 1;
1525 break;
1526 }
1527 }
1528
1529 if (!found) {
1530 /* try again and reuse existing stream */
1531 for(j=0;j<nb_istreams;j++) {
1532 ist = ist_table[j];
1533 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1534 ost->source_index = j;
1535 found = 1;
1536 }
1537 }
1538 if (!found) {
1539 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1540 ost->file_index, ost->index);
1541 exit(1);
1542 }
1543 }
1544 }
1545 ist = ist_table[ost->source_index];
1546 ist->discard = 0;
1547 ost->sync_ist = (nb_stream_maps > 0) ?
1548 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1549 stream_maps[n-1].sync_stream_index] : ist;
1550 }
1551 }
1552
1553 /* for each output stream, we compute the right encoding parameters */
1554 for(i=0;i<nb_ostreams;i++) {
1555 ost = ost_table[i];
1556 ist = ist_table[ost->source_index];
1557
1558 codec = ost->st->codec;
1559 icodec = ist->st->codec;
1560
1561 if (ost->st->stream_copy) {
1562 /* if stream_copy is selected, no need to decode or encode */
1563 codec->codec_id = icodec->codec_id;
1564 codec->codec_type = icodec->codec_type;
1565 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1566 codec->bit_rate = icodec->bit_rate;
1567 codec->extradata= icodec->extradata;
1568 codec->extradata_size= icodec->extradata_size;
1569 codec->time_base = icodec->time_base;
1570 switch(codec->codec_type) {
1571 case CODEC_TYPE_AUDIO:
1572 codec->sample_rate = icodec->sample_rate;
1573 codec->channels = icodec->channels;
1574 codec->frame_size = icodec->frame_size;
1575 codec->block_align= icodec->block_align;
1576 break;
1577 case CODEC_TYPE_VIDEO:
1578 codec->pix_fmt = icodec->pix_fmt;
1579 codec->width = icodec->width;
1580 codec->height = icodec->height;
1581 codec->has_b_frames = icodec->has_b_frames;
1582 break;
1583 case CODEC_TYPE_SUBTITLE:
1584 break;
1585 default:
1586 av_abort();
1587 }
1588 } else {
1589 switch(codec->codec_type) {
1590 case CODEC_TYPE_AUDIO:
1591 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1592 goto fail;
1593
1594 if (codec->channels == icodec->channels &&
1595 codec->sample_rate == icodec->sample_rate) {
1596 ost->audio_resample = 0;
1597 } else {
1598 if (codec->channels != icodec->channels &&
1599 (icodec->codec_id == CODEC_ID_AC3 ||
1600 icodec->codec_id == CODEC_ID_DTS)) {
1601 /* Special case for 5:1 AC3 and DTS input */
1602 /* and mono or stereo output */
1603 /* Request specific number of channels */
1604 icodec->channels = codec->channels;
1605 if (codec->sample_rate == icodec->sample_rate)
1606 ost->audio_resample = 0;
1607 else {
1608 ost->audio_resample = 1;
1609 }
1610 } else {
1611 ost->audio_resample = 1;
1612 }
1613 }
1614 if(audio_sync_method>1)
1615 ost->audio_resample = 1;
1616
1617 if(ost->audio_resample){
1618 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1619 codec->sample_rate, icodec->sample_rate);
1620 if(!ost->resample){
1621 printf("Can't resample. Aborting.\n");
1622 av_abort();
1623 }
1624 }
1625 ist->decoding_needed = 1;
1626 ost->encoding_needed = 1;
1627 break;
1628 case CODEC_TYPE_VIDEO:
1629 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1630 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1631 ost->video_resample = ((codec->width != icodec->width -
1632 (frame_leftBand + frame_rightBand) +
1633 (frame_padleft + frame_padright)) ||
1634 (codec->height != icodec->height -
1635 (frame_topBand + frame_bottomBand) +
1636 (frame_padtop + frame_padbottom)) ||
1637 (codec->pix_fmt != icodec->pix_fmt));
1638 if (ost->video_crop) {
1639 ost->topBand = frame_topBand;
1640 ost->leftBand = frame_leftBand;
1641 }
1642 if (ost->video_pad) {
1643 ost->padtop = frame_padtop;
1644 ost->padleft = frame_padleft;
1645 ost->padbottom = frame_padbottom;
1646 ost->padright = frame_padright;
1647 if (!ost->video_resample) {
1648 avcodec_get_frame_defaults(&ost->pict_tmp);
1649 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1650 codec->width, codec->height ) )
1651 goto fail;
1652 }
1653 }
1654 if (ost->video_resample) {
1655 avcodec_get_frame_defaults(&ost->pict_tmp);
1656 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1657 codec->width, codec->height ) )
1658 goto fail;
1659
1660 ost->img_resample_ctx = sws_getContext(
1661 icodec->width - (frame_leftBand + frame_rightBand),
1662 icodec->height - (frame_topBand + frame_bottomBand),
1663 icodec->pix_fmt,
1664 codec->width - (frame_padleft + frame_padright),
1665 codec->height - (frame_padtop + frame_padbottom),
1666 codec->pix_fmt,
1667 sws_flags, NULL, NULL, NULL);
1668 if (ost->img_resample_ctx == NULL) {
1669 fprintf(stderr, "Cannot get resampling context\n");
1670 exit(1);
1671 }
1672 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1673 }
1674 ost->encoding_needed = 1;
1675 ist->decoding_needed = 1;
1676 break;
1677 case CODEC_TYPE_SUBTITLE:
1678 ost->encoding_needed = 1;
1679 ist->decoding_needed = 1;
1680 break;
1681 default:
1682 av_abort();
1683 break;
1684 }
1685 /* two pass mode */
1686 if (ost->encoding_needed &&
1687 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1688 char logfilename[1024];
1689 FILE *f;
1690 int size;
1691 char *logbuffer;
1692
1693 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1694 pass_logfilename ?
1695 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1696 if (codec->flags & CODEC_FLAG_PASS1) {
1697 f = fopen(logfilename, "w");
1698 if (!f) {
1699 perror(logfilename);
1700 exit(1);
1701 }
1702 ost->logfile = f;
1703 } else {
1704 /* read the log file */
1705 f = fopen(logfilename, "r");
1706 if (!f) {
1707 perror(logfilename);
1708 exit(1);
1709 }
1710 fseek(f, 0, SEEK_END);
1711 size = ftell(f);
1712 fseek(f, 0, SEEK_SET);
1713 logbuffer = av_malloc(size + 1);
1714 if (!logbuffer) {
1715 fprintf(stderr, "Could not allocate log buffer\n");
1716 exit(1);
1717 }
1718 size = fread(logbuffer, 1, size, f);
1719 fclose(f);
1720 logbuffer[size] = '\0';
1721 codec->stats_in = logbuffer;
1722 }
1723 }
1724 }
1725 if(codec->codec_type == CODEC_TYPE_VIDEO){
1726 int size= codec->width * codec->height;
1727 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1728 }
1729 }
1730
1731 if (!bit_buffer)
1732 bit_buffer = av_malloc(bit_buffer_size);
1733 if (!bit_buffer)
1734 goto fail;
1735
1736 /* dump the file output parameters - cannot be done before in case
1737 of stream copy */
1738 for(i=0;i<nb_output_files;i++) {
1739 dump_format(output_files[i], i, output_files[i]->filename, 1);
1740 }
1741
1742 /* dump the stream mapping */
1743 if (verbose >= 0) {
1744 fprintf(stderr, "Stream mapping:\n");
1745 for(i=0;i<nb_ostreams;i++) {
1746 ost = ost_table[i];
1747 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1748 ist_table[ost->source_index]->file_index,
1749 ist_table[ost->source_index]->index,
1750 ost->file_index,
1751 ost->index);
1752 if (ost->sync_ist != ist_table[ost->source_index])
1753 fprintf(stderr, " [sync #%d.%d]",
1754 ost->sync_ist->file_index,
1755 ost->sync_ist->index);
1756 fprintf(stderr, "\n");
1757 }
1758 }
1759
1760 /* open each encoder */
1761 for(i=0;i<nb_ostreams;i++) {
1762 ost = ost_table[i];
1763 if (ost->encoding_needed) {
1764 AVCodec *codec;
1765 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1766 if (!codec) {
1767 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1768 ost->file_index, ost->index);
1769 exit(1);
1770 }
1771 if (avcodec_open(ost->st->codec, codec) < 0) {
1772 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1773 ost->file_index, ost->index);
1774 exit(1);
1775 }
1776 extra_size += ost->st->codec->extradata_size;
1777 }
1778 }
1779
1780 /* open each decoder */
1781 for(i=0;i<nb_istreams;i++) {
1782 ist = ist_table[i];
1783 if (ist->decoding_needed) {
1784 AVCodec *codec;
1785 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1786 if (!codec) {
1787 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1788 ist->st->codec->codec_id, ist->file_index, ist->index);
1789 exit(1);
1790 }
1791 if (avcodec_open(ist->st->codec, codec) < 0) {
1792 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1793 ist->file_index, ist->index);
1794 exit(1);
1795 }
1796 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1797 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1798 }
1799 }
1800
1801 /* init pts */
1802 for(i=0;i<nb_istreams;i++) {
1803 ist = ist_table[i];
1804 is = input_files[ist->file_index];
1805 ist->pts = 0;
1806 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1807 if(ist->st->start_time == AV_NOPTS_VALUE)
1808 ist->next_pts=0;
1809 if(input_files_ts_offset[ist->file_index])
1810 ist->next_pts= AV_NOPTS_VALUE;
1811 ist->is_start = 1;
1812 }
1813
1814 /* compute buffer size max (should use a complete heuristic) */
1815 for(i=0;i<nb_input_files;i++) {
1816 file_table[i].buffer_size_max = 2048;
1817 }
1818
1819 /* set meta data information from input file if required */
1820 for (i=0;i<nb_meta_data_maps;i++) {
1821 AVFormatContext *out_file;
1822 AVFormatContext *in_file;
1823
1824 int out_file_index = meta_data_maps[i].out_file;
1825 int in_file_index = meta_data_maps[i].in_file;
1826 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1827 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1828 ret = -EINVAL;
1829 goto fail;
1830 }
1831 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1832 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1833 ret = -EINVAL;
1834 goto fail;
1835 }
1836
1837 out_file = output_files[out_file_index];
1838 in_file = input_files[in_file_index];
1839
1840 strcpy(out_file->title, in_file->title);
1841 strcpy(out_file->author, in_file->author);
1842 strcpy(out_file->copyright, in_file->copyright);
1843 strcpy(out_file->comment, in_file->comment);
1844 strcpy(out_file->album, in_file->album);
1845 out_file->year = in_file->year;
1846 out_file->track = in_file->track;
1847 strcpy(out_file->genre, in_file->genre);
1848 }
1849
1850 /* open files and write file headers */
1851 for(i=0;i<nb_output_files;i++) {
1852 os = output_files[i];
1853 if (av_write_header(os) < 0) {
1854 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1855 ret = -EINVAL;
1856 goto fail;
1857 }
1858 }
1859
1860 #ifndef __MINGW32__
1861 if ( !using_stdin && verbose >= 0) {
1862 fprintf(stderr, "Press [q] to stop encoding\n");
1863 url_set_interrupt_cb(decode_interrupt_cb);
1864 }
1865 #endif
1866 term_init();
1867
1868 stream_no_data = 0;
1869 key = -1;
1870
1871 for(; received_sigterm == 0;) {
1872 int file_index, ist_index;
1873 AVPacket pkt;
1874 double ipts_min;
1875 double opts_min;
1876
1877 redo:
1878 ipts_min= 1e100;
1879 opts_min= 1e100;
1880 /* if 'q' pressed, exits */
1881 if (!using_stdin) {
1882 if (q_pressed)
1883 break;
1884 /* read_key() returns 0 on EOF */
1885 key = read_key();
1886 if (key == 'q')
1887 break;
1888 }
1889
1890 /* select the stream that we must read now by looking at the
1891 smallest output pts */
1892 file_index = -1;
1893 for(i=0;i<nb_ostreams;i++) {
1894 double ipts, opts;
1895 ost = ost_table[i];
1896 os = output_files[ost->file_index];
1897 ist = ist_table[ost->source_index];
1898 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1899 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1900 else
1901 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1902 ipts = (double)ist->pts;
1903 if (!file_table[ist->file_index].eof_reached){
1904 if(ipts < ipts_min) {
1905 ipts_min = ipts;
1906 if(input_sync ) file_index = ist->file_index;
1907 }
1908 if(opts < opts_min) {
1909 opts_min = opts;
1910 if(!input_sync) file_index = ist->file_index;
1911 }
1912 }
1913 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1914 file_index= -1;
1915 break;
1916 }
1917 }
1918 /* if none, if is finished */
1919 if (file_index < 0) {
1920 break;
1921 }
1922
1923 /* finish if recording time exhausted */
1924 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1925 break;
1926
1927 /* finish if limit size exhausted */
1928 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1929 break;
1930
1931 /* read a frame from it and output it in the fifo */
1932 is = input_files[file_index];
1933 if (av_read_frame(is, &pkt) < 0) {
1934 file_table[file_index].eof_reached = 1;
1935 if (opt_shortest) break; else continue; //
1936 }
1937
1938 if (!pkt.size) {
1939 stream_no_data = is;
1940 } else {
1941 stream_no_data = 0;
1942 }
1943 if (do_pkt_dump) {
1944 av_pkt_dump(stdout, &pkt, do_hex_dump);
1945 }
1946 /* the following test is needed in case new streams appear
1947 dynamically in stream : we ignore them */
1948 if (pkt.stream_index >= file_table[file_index].nb_streams)
1949 goto discard_packet;
1950 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1951 ist = ist_table[ist_index];
1952 if (ist->discard)
1953 goto discard_packet;
1954
1955 // 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);
1956 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1957 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1958 if(ABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1959 input_files_ts_offset[ist->file_index]-= delta;
1960 if (verbose > 2)
1961 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1962 for(i=0; i<file_table[file_index].nb_streams; i++){
1963 int index= file_table[file_index].ist_index + i;
1964 ist_table[index]->next_pts += delta;
1965 ist_table[index]->is_start=1;
1966 }
1967 }
1968 }
1969
1970 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1971 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1972
1973 if (verbose >= 0)
1974 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1975 ist->file_index, ist->index);
1976
1977 av_free_packet(&pkt);
1978 goto redo;
1979 }
1980
1981 discard_packet:
1982 av_free_packet(&pkt);
1983
1984 /* dump report by using the output first video and audio streams */
1985 print_report(output_files, ost_table, nb_ostreams, 0);
1986 }
1987
1988 /* at the end of stream, we must flush the decoder buffers */
1989 for(i=0;i<nb_istreams;i++) {
1990 ist = ist_table[i];
1991 if (ist->decoding_needed) {
1992 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1993 }
1994 }
1995
1996 term_exit();
1997
1998 /* write the trailer if needed and close file */
1999 for(i=0;i<nb_output_files;i++) {
2000 os = output_files[i];
2001 av_write_trailer(os);
2002 }
2003
2004 /* dump report by using the first video and audio streams */
2005 print_report(output_files, ost_table, nb_ostreams, 1);
2006
2007 /* close each encoder */
2008 for(i=0;i<nb_ostreams;i++) {
2009 ost = ost_table[i];
2010 if (ost->encoding_needed) {
2011 av_freep(&ost->st->codec->stats_in);
2012 avcodec_close(ost->st->codec);
2013 }
2014 }
2015
2016 /* close each decoder */
2017 for(i=0;i<nb_istreams;i++) {
2018 ist = ist_table[i];
2019 if (ist->decoding_needed) {
2020 avcodec_close(ist->st->codec);
2021 }
2022 }
2023
2024 /* finished ! */
2025
2026 ret = 0;
2027 fail1:
2028 av_freep(&bit_buffer);
2029 av_free(file_table);
2030
2031 if (ist_table) {
2032 for(i=0;i<nb_istreams;i++) {
2033 ist = ist_table[i];
2034 av_free(ist);
2035 }
2036 av_free(ist_table);
2037 }
2038 if (ost_table) {
2039 for(i=0;i<nb_ostreams;i++) {
2040 ost = ost_table[i];
2041 if (ost) {
2042 if (ost->logfile) {
2043 fclose(ost->logfile);
2044 ost->logfile = NULL;
2045 }
2046 fifo_free(&ost->fifo); /* works even if fifo is not
2047 initialized but set to zero */
2048 av_free(ost->pict_tmp.data[0]);
2049 if (ost->video_resample)
2050 sws_freeContext(ost->img_resample_ctx);
2051 if (ost->audio_resample)
2052 audio_resample_close(ost->resample);
2053 av_free(ost);
2054 }
2055 }
2056 av_free(ost_table);
2057 }
2058 return ret;
2059 fail:
2060 ret = -ENOMEM;
2061 goto fail1;
2062 }
2063
2064 #if 0
2065 int file_read(const char *filename)
2066 {
2067 URLContext *h;
2068 unsigned char buffer[1024];
2069 int len, i;
2070
2071 if (url_open(&h, filename, O_RDONLY) < 0) {
2072 printf("could not open '%s'\n", filename);
2073 return -1;
2074 }
2075 for(;;) {
2076 len = url_read(h, buffer, sizeof(buffer));
2077 if (len <= 0)
2078 break;
2079 for(i=0;i<len;i++) putchar(buffer[i]);
2080 }
2081 url_close(h);
2082 return 0;
2083 }
2084 #endif
2085
2086 static void opt_image_format(const char *arg)
2087 {
2088 AVImageFormat *f;
2089
2090 for(f = first_image_format; f != NULL; f = f->next) {
2091 if (!strcmp(arg, f->name))
2092 break;
2093 }
2094 if (!f) {
2095 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2096 exit(1);
2097 }
2098 image_format = f;
2099 }
2100
2101 static void opt_format(const char *arg)
2102 {
2103 /* compatibility stuff for pgmyuv */
2104 if (!strcmp(arg, "pgmyuv")) {
2105 pgmyuv_compatibility_hack=1;
2106 // opt_image_format(arg);
2107 arg = "image2";
2108 }
2109
2110 file_iformat = av_find_input_format(arg);
2111 file_oformat = guess_format(arg, NULL, NULL);
2112 if (!file_iformat && !file_oformat) {
2113 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2114 exit(1);
2115 }
2116 }
2117
2118 static void opt_video_bitrate(const char *arg)
2119 {
2120 video_bit_rate = atoi(arg) * 1000;
2121 }
2122
2123 static void opt_video_bitrate_tolerance(const char *arg)
2124 {
2125 video_bit_rate_tolerance = atoi(arg) * 1000;
2126 }
2127
2128 static void opt_video_bitrate_max(const char *arg)
2129 {
2130 video_rc_max_rate = atoi(arg) * 1000;
2131 }
2132
2133 static void opt_video_bitrate_min(const char *arg)
2134 {
2135 video_rc_min_rate = atoi(arg) * 1000;
2136 }
2137
2138 static void opt_video_buffer_size(const char *arg)
2139 {
2140 video_rc_buffer_size = atoi(arg) * 8*1024;
2141 }
2142
2143 static void opt_video_rc_eq(char *arg)
2144 {
2145 video_rc_eq = arg;
2146 }
2147
2148 static void opt_video_rc_override_string(char *arg)
2149 {
2150 video_rc_override_string = arg;
2151 }
2152
2153
2154 static void opt_workaround_bugs(const char *arg)
2155 {
2156 workaround_bugs = atoi(arg);
2157 }
2158
2159 static void opt_me_threshold(const char *arg)
2160 {
2161 me_threshold = atoi(arg);
2162 }
2163
2164 static void opt_mb_threshold(const char *arg)
2165 {
2166 mb_threshold = atoi(arg);
2167 }
2168
2169 static void opt_verbose(const char *arg)
2170 {
2171 verbose = atoi(arg);
2172 av_log_set_level(atoi(arg));
2173 }
2174
2175 static void opt_frame_rate(const char *arg)
2176 {
2177 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2178 fprintf(stderr, "Incorrect frame rate\n");
2179 exit(1);
2180 }
2181 }
2182
2183 static void opt_frame_crop_top(const char *arg)
2184 {
2185 frame_topBand = atoi(arg);
2186 if (frame_topBand < 0) {
2187 fprintf(stderr, "Incorrect top crop size\n");
2188 exit(1);
2189 }
2190 if ((frame_topBand % 2) != 0) {
2191 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2192 exit(1);
2193 }
2194 if ((frame_topBand) >= frame_height){
2195 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2196 exit(1);
2197 }
2198 frame_height -= frame_topBand;
2199 }
2200
2201 static void opt_frame_crop_bottom(const char *arg)
2202 {
2203 frame_bottomBand = atoi(arg);
2204 if (frame_bottomBand < 0) {
2205 fprintf(stderr, "Incorrect bottom crop size\n");
2206 exit(1);
2207 }
2208 if ((frame_bottomBand % 2) != 0) {
2209 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2210 exit(1);
2211 }
2212 if ((frame_bottomBand) >= frame_height){
2213 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2214 exit(1);
2215 }
2216 frame_height -= frame_bottomBand;
2217 }
2218
2219 static void opt_frame_crop_left(const char *arg)
2220 {
2221 frame_leftBand = atoi(arg);
2222 if (frame_leftBand < 0) {
2223 fprintf(stderr, "Incorrect left crop size\n");
2224 exit(1);
2225 }
2226 if ((frame_leftBand % 2) != 0) {
2227 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2228 exit(1);
2229 }
2230 if ((frame_leftBand) >= frame_width){
2231 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2232 exit(1);
2233 }
2234 frame_width -= frame_leftBand;
2235 }
2236
2237 static void opt_frame_crop_right(const char *arg)
2238 {
2239 frame_rightBand = atoi(arg);
2240 if (frame_rightBand < 0) {
2241 fprintf(stderr, "Incorrect right crop size\n");
2242 exit(1);
2243 }
2244 if ((frame_rightBand % 2) != 0) {
2245 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2246 exit(1);
2247 }
2248 if ((frame_rightBand) >= frame_width){
2249 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2250 exit(1);
2251 }
2252 frame_width -= frame_rightBand;
2253 }
2254
2255 static void opt_frame_size(const char *arg)
2256 {
2257 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2258 fprintf(stderr, "Incorrect frame size\n");
2259 exit(1);
2260 }
2261 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2262 fprintf(stderr, "Frame size must be a multiple of 2\n");
2263 exit(1);
2264 }
2265 }
2266
2267
2268 #define SCALEBITS 10
2269 #define ONE_HALF (1 << (SCALEBITS - 1))
2270 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2271
2272 #define RGB_TO_Y(r, g, b) \
2273 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2274 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2275
2276 #define RGB_TO_U(r1, g1, b1, shift)\
2277 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2278 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2279
2280 #define RGB_TO_V(r1, g1, b1, shift)\
2281 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2282 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2283
2284 static void opt_pad_color(const char *arg) {
2285 /* Input is expected to be six hex digits similar to
2286 how colors are expressed in html tags (but without the #) */
2287 int rgb = strtol(arg, NULL, 16);
2288 int r,g,b;
2289
2290 r = (rgb >> 16);
2291 g = ((rgb >> 8) & 255);
2292 b = (rgb & 255);
2293
2294 padcolor[0] = RGB_TO_Y(r,g,b);
2295 padcolor[1] = RGB_TO_U(r,g,b,0);
2296 padcolor[2] = RGB_TO_V(r,g,b,0);
2297 }
2298
2299 static void opt_frame_pad_top(const char *arg)
2300 {
2301 frame_padtop = atoi(arg);
2302 if (frame_padtop < 0) {
2303 fprintf(stderr, "Incorrect top pad size\n");
2304 exit(1);
2305 }
2306 if ((frame_padtop % 2) != 0) {
2307 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2308 exit(1);
2309 }
2310 }
2311
2312 static void opt_frame_pad_bottom(const char *arg)
2313 {
2314 frame_padbottom = atoi(arg);
2315 if (frame_padbottom < 0) {
2316 fprintf(stderr, "Incorrect bottom pad size\n");
2317 exit(1);
2318 }
2319 if ((frame_padbottom % 2) != 0) {
2320 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2321 exit(1);
2322 }
2323 }
2324
2325
2326 static void opt_frame_pad_left(const char *arg)
2327 {
2328 frame_padleft = atoi(arg);
2329 if (frame_padleft < 0) {
2330 fprintf(stderr, "Incorrect left pad size\n");
2331 exit(1);
2332 }
2333 if ((frame_padleft % 2) != 0) {
2334 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2335 exit(1);
2336 }
2337 }
2338
2339
2340 static void opt_frame_pad_right(const char *arg)
2341 {
2342 frame_padright = atoi(arg);
2343 if (frame_padright < 0) {
2344 fprintf(stderr, "Incorrect right pad size\n");
2345 exit(1);
2346 }
2347 if ((frame_padright % 2) != 0) {
2348 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2349 exit(1);
2350 }
2351 }
2352
2353
2354 static void opt_frame_pix_fmt(const char *arg)
2355 {
2356 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2357 }
2358
2359 static void opt_frame_aspect_ratio(const char *arg)
2360 {
2361 int x = 0, y = 0;
2362 double ar = 0;
2363 const char *p;
2364
2365 p = strchr(arg, ':');
2366 if (p) {
2367 x = strtol(arg, (char **)&arg, 10);
2368 if (arg == p)
2369 y = strtol(arg+1, (char **)&arg, 10);
2370 if (x > 0 && y > 0)
2371 ar = (double)x / (double)y;
2372 } else
2373 ar = strtod(arg, (char **)&arg);
2374
2375 if (!ar) {
2376 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2377 exit(1);
2378 }
2379 frame_aspect_ratio = ar;
2380 }
2381
2382 static void opt_gop_size(const char *arg)
2383 {
2384 gop_size = atoi(arg);
2385 }
2386
2387 static void opt_b_frames(const char *arg)
2388 {
2389 b_frames = atoi(arg);
2390 if (b_frames > FF_MAX_B_FRAMES) {
2391 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2392 exit(1);
2393 } else if (b_frames < 1) {
2394 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2395 exit(1);
2396 }
2397 }
2398
2399 static void opt_pre_me(const char *arg)
2400 {
2401 pre_me = atoi(arg);
2402 }
2403
2404 static void opt_qscale(const char *arg)
2405 {
2406 video_qscale = atof(arg);
2407 if (video_qscale <= 0 ||
2408 video_qscale > 255) {
2409 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2410 exit(1);
2411 }
2412 }
2413
2414 static void opt_qsquish(const char *arg)
2415 {
2416 video_qsquish = atof(arg);
2417 if (video_qsquish < 0.0 ||
2418 video_qsquish > 99.0) {
2419 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2420 exit(1);
2421 }
2422 }
2423
2424 static void opt_lmax(const char *arg)
2425 {
2426 video_lmax = atof(arg)*FF_QP2LAMBDA;
2427 }
2428
2429 static void opt_lmin(const char *arg)
2430 {
2431 video_lmin = atof(arg)*FF_QP2LAMBDA;
2432 }
2433
2434 static void opt_qmin(const char *arg)
2435 {
2436 video_qmin = atoi(arg);
2437 if (video_qmin < 1 ||
2438 video_qmin > 51) {
2439 fprintf(stderr, "qmin must be >= 1 and <= 51\n");
2440 exit(1);
2441 }
2442 }
2443
2444 static void opt_qmax(const char *arg)
2445 {
2446 video_qmax = atoi(arg);
2447 if (video_qmax < 1 ||
2448 video_qmax > 51) {
2449 fprintf(stderr, "qmax must be >= 1 and <= 51\n");
2450 exit(1);
2451 }
2452 }
2453
2454 static void opt_mb_lmin(const char *arg)
2455 {
2456 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2457 if (video_mb_lmin < 1 ||
2458 video_mb_lmin > FF_LAMBDA_MAX) {
2459 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2460 exit(1);
2461 }
2462 }
2463
2464 static void opt_mb_lmax(const char *arg)
2465 {
2466 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2467 if (video_mb_lmax < 1 ||
2468 video_mb_lmax > FF_LAMBDA_MAX) {
2469 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2470 exit(1);
2471 }
2472 }
2473
2474 static void opt_qdiff(const char *arg)
2475 {
2476 video_qdiff = atoi(arg);
2477 if (video_qdiff < 0 ||
2478 video_qdiff > 31) {
2479 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2480 exit(1);
2481 }
2482 }
2483
2484 static void opt_qblur(const char *arg)
2485 {
2486 video_qblur = atof(arg);
2487 }
2488
2489 static void opt_qcomp(const char *arg)
2490 {
2491 video_qcomp = atof(arg);
2492 }
2493
2494 static void opt_rc_initial_cplx(const char *arg)
2495 {
2496 video_rc_initial_cplx = atof(arg);
2497 }
2498 static void opt_b_qfactor(const char *arg)
2499 {
2500 video_b_qfactor = atof(arg);
2501 }
2502 static void opt_i_qfactor(const char *arg)
2503 {
2504 video_i_qfactor = atof(arg);
2505 }
2506 static void opt_b_qoffset(const char *arg)
2507 {
2508 video_b_qoffset = atof(arg);
2509 }
2510 static void opt_i_qoffset(const char *arg)
2511 {
2512 video_i_qoffset = atof(arg);
2513 }
2514
2515 static void opt_ibias(const char *arg)
2516 {
2517 video_intra_quant_bias = atoi(arg);
2518 }
2519 static void opt_pbias(const char *arg)
2520 {
2521 video_inter_quant_bias = atoi(arg);
2522 }
2523
2524 static void opt_packet_size(const char *arg)
2525 {
2526 packet_size= atoi(arg);
2527 }
2528
2529 static void opt_error_rate(const char *arg)
2530 {
2531 error_rate= atoi(arg);
2532 }
2533
2534 static void opt_strict(const char *arg)
2535 {
2536 strict= atoi(arg);
2537 }
2538
2539 static void opt_top_field_first(const char *arg)
2540 {
2541 top_field_first= atoi(arg);
2542 }
2543
2544 static void opt_sc_threshold(const char *arg)
2545 {
2546 sc_threshold= atoi(arg);
2547 }
2548
2549 static void opt_me_range(const char *arg)
2550 {
2551 me_range = atoi(arg);
2552 }
2553
2554 static void opt_thread_count(const char *arg)
2555 {
2556 thread_count= atoi(arg);
2557 #if !defined(HAVE_THREADS)
2558 if (verbose >= 0)
2559 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2560 #endif
2561 }
2562
2563 static void opt_audio_bitrate(const char *arg)
2564 {
2565 audio_bit_rate = atoi(arg) * 1000;
2566 }
2567
2568 static void opt_audio_rate(const char *arg)
2569 {
2570 audio_sample_rate = atoi(arg);
2571 }
2572
2573 static void opt_audio_channels(const char *arg)
2574 {
2575 audio_channels = atoi(arg);
2576 }
2577
2578 static void opt_video_device(const char *arg)
2579 {
2580 video_device = av_strdup(arg);
2581 }
2582
2583 static void opt_grab_device(const char *arg)
2584 {
2585 grab_device = av_strdup(arg);
2586 }
2587
2588 static void opt_video_channel(const char *arg)
2589 {
2590 video_channel = strtol(arg, NULL, 0);
2591 }
2592
2593 static void opt_video_standard(const char *arg)
2594 {
2595 video_standard = av_strdup(arg);
2596 }
2597
2598 static void opt_audio_device(const char *arg)
2599 {
2600 audio_device = av_strdup(arg);
2601 }
2602
2603 static void opt_codec(int *pstream_copy, int *pcodec_id,
2604 int codec_type, const char *arg)
2605 {
2606 AVCodec *p;
2607
2608 if (!strcmp(arg, "copy")) {
2609 *pstream_copy = 1;
2610 } else {
2611 p = first_avcodec;
2612 while (p) {
2613 if (!strcmp(p->name, arg) && p->type == codec_type)
2614 break;
2615 p = p->next;
2616 }
2617 if (p == NULL) {
2618 fprintf(stderr, "Unknown codec '%s'\n", arg);
2619 exit(1);
2620 } else {
2621 *pcodec_id = p->id;
2622 }
2623 }
2624 }
2625
2626 static void opt_audio_codec(const char *arg)
2627 {
2628 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2629 }
2630
2631 static void opt_audio_tag(const char *arg)
2632 {
2633 char *tail;
2634 audio_codec_tag= strtol(arg, &tail, 0);
2635
2636 if(!tail || *tail)
2637 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2638 }
2639
2640 static void opt_video_tag(const char *arg)
2641 {
2642 char *tail;
2643 video_codec_tag= strtol(arg, &tail, 0);
2644
2645 if(!tail || *tail)
2646 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2647 }
2648
2649 static void add_frame_hooker(const char *arg)
2650 {
2651 int argc = 0;
2652 char *argv[64];
2653 int i;
2654 char *args = av_strdup(arg);
2655
2656 using_vhook = 1;
2657
2658 argv[0] = strtok(args, " ");
2659 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2660 }
2661
2662 i = frame_hook_add(argc, argv);
2663
2664 if (i != 0) {
2665 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2666 exit(1);
2667 }
2668 }
2669
2670 const char *motion_str[] = {
2671 "zero",
2672 "full",
2673 "log",
2674 "phods",
2675 "epzs",
2676 "x1",
2677 "hex",
2678 "umh",
2679 "iter",
2680 NULL,
2681 };
2682
2683 static void opt_motion_estimation(const char *arg)
2684 {
2685 const char **p;
2686 p = motion_str;
2687 for(;;) {
2688 if (!*p) {
2689 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2690 exit(1);
2691 }
2692 if (!strcmp(*p, arg))
2693 break;
2694 p++;
2695 }
2696 me_method = (p - motion_str) + 1;
2697 }
2698
2699 static void opt_video_codec(const char *arg)
2700 {
2701 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2702 }
2703
2704 static void opt_subtitle_codec(const char *arg)
2705 {
2706 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2707 }
2708
2709 static void opt_map(const char *arg)
2710 {
2711 AVStreamMap *m;
2712 const char *p;
2713
2714 p = arg;
2715 m = &stream_maps[nb_stream_maps++];
2716
2717 m->file_index = strtol(arg, (char **)&p, 0);
2718 if (*p)
2719 p++;
2720
2721 m->stream_index = strtol(p, (char **)&p, 0);
2722 if (*p) {
2723 p++;
2724 m->sync_file_index = strtol(p, (char **)&p, 0);
2725 if (*p)
2726 p++;
2727 m->sync_stream_index = strtol(p, (char **)&p, 0);
2728 } else {
2729 m->sync_file_index = m->file_index;
2730 m->sync_stream_index = m->stream_index;
2731 }
2732 }
2733
2734 static void opt_map_meta_data(const char *arg)
2735 {
2736 AVMetaDataMap *m;
2737 const char *p;
2738
2739 p = arg;
2740 m = &meta_data_maps[nb_meta_data_maps++];
2741
2742 m->out_file = strtol(arg, (char **)&p, 0);
2743 if (*p)
2744 p++;
2745
2746 m->in_file = strtol(p, (char **)&p, 0);
2747 }
2748
2749 static void opt_recording_time(const char *arg)
2750 {
2751 recording_time = parse_date(arg, 1);
2752 }
2753
2754 static void opt_start_time(const char *arg)
2755 {
2756 start_time = parse_date(arg, 1);
2757 }
2758
2759 static void opt_rec_timestamp(const char *arg)
2760 {
2761 rec_timestamp = parse_date(arg, 0) / 1000000;
2762 }
2763
2764 static void opt_input_ts_offset(const char *arg)
2765 {
2766 input_ts_offset = parse_date(arg, 1);
2767 }
2768
2769 static void opt_input_file(const char *filename)
2770 {
2771 AVFormatContext *ic;
2772 AVFormatParameters params, *ap = &params;
2773 int err, i, ret, rfps, rfps_base;
2774 int64_t timestamp;
2775
2776 if (!strcmp(filename, "-"))
2777 filename = "pipe:";
2778
2779 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2780 !strcmp( filename, "/dev/stdin" );
2781
2782 /* get default parameters from command line */
2783 memset(ap, 0, sizeof(*ap));
2784 ap->sample_rate = audio_sample_rate;
2785 ap->channels = audio_channels;
2786 ap->time_base.den = frame_rate;
2787 ap->time_base.num = frame_rate_base;
2788 ap->width = frame_width + frame_padleft + frame_padright;
2789 ap->height = frame_height + frame_padtop + frame_padbottom;
2790 ap->image_format = image_format;
2791 ap->pix_fmt = frame_pix_fmt;
2792 ap->device = grab_device;
2793 ap->channel = video_channel;
2794 ap->standard = video_standard;
2795 ap->video_codec_id = video_codec_id;
2796 ap->audio_codec_id = audio_codec_id;
2797 if(pgmyuv_compatibility_hack)
2798 ap->video_codec_id= CODEC_ID_PGMYUV;
2799
2800 /* open the input file with generic libav function */
2801 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2802 if (err < 0) {
2803 print_error(filename, err);
2804 exit(1);
2805 }
2806
2807 ic->loop_input = loop_input;
2808
2809 if(genpts)
2810 ic->flags|= AVFMT_FLAG_GENPTS;
2811
2812 /* If not enough info to get the stream parameters, we decode the
2813 first frames to get it. (used in mpeg case for example) */
2814 ret = av_find_stream_info(ic);
2815 if (ret < 0 && verbose >= 0) {
2816 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2817 exit(1);
2818 }
2819
2820 timestamp = start_time;
2821 /* add the stream start time */
2822 if (ic->start_time != AV_NOPTS_VALUE)
2823 timestamp += ic->start_time;
2824
2825 /* if seeking requested, we execute it */
2826 if (start_time != 0) {
2827 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2828 if (ret < 0) {
2829 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2830 filename, (double)timestamp / AV_TIME_BASE);
2831 }
2832 /* reset seek info */
2833 start_time = 0;
2834 }
2835
2836 /* update the current parameters so that they match the one of the input stream */
2837 for(i=0;i<ic->nb_streams;i++) {
2838 int j;
2839 AVCodecContext *enc = ic->streams[i]->codec;
2840 #if defined(HAVE_THREADS)
2841 if(thread_count>1)
2842 avcodec_thread_init(enc, thread_count);
2843 #endif
2844 enc->thread_count= thread_count;
2845 switch(enc->codec_type) {
2846 case CODEC_TYPE_AUDIO:
2847 for(j=0; j<opt_name_count; j++){
2848 AVOption *opt;
2849 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2850 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2851 av_set_double(enc, opt_names[j], d);
2852 }
2853 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2854 audio_channels = enc->channels;
2855 audio_sample_rate = enc->sample_rate;
2856 if(audio_disable)
2857 ic->streams[i]->discard= AVDISCARD_ALL;
2858 break;
2859 case CODEC_TYPE_VIDEO:
2860 for(j=0; j<opt_name_count; j++){
2861 AVOption *opt;
2862 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2863 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2864 av_set_double(enc, opt_names[j], d);
2865 }
2866 frame_height = enc->height;
2867 frame_width = enc->width;
2868 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2869 frame_pix_fmt = enc->pix_fmt;
2870 rfps = ic->streams[i]->r_frame_rate.num;
2871 rfps_base = ic->streams[i]->r_frame_rate.den;
2872 enc->workaround_bugs = workaround_bugs;
2873 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2874 if(me_threshold)
2875 enc->debug |= FF_DEBUG_MV;
2876
2877 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2878
2879 if (verbose >= 0)
2880 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2881 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2882
2883 (float)rfps / rfps_base, rfps, rfps_base);
2884 }
2885 /* update the current frame rate to match the stream frame rate */
2886 frame_rate = rfps;
2887 frame_rate_base = rfps_base;
2888
2889 enc->rate_emu = rate_emu;
2890 if(video_disable)
2891 ic->streams[i]->discard= AVDISCARD_ALL;
2892 else if(video_discard)
2893 ic->streams[i]->discard= video_discard;
2894 break;
2895 case CODEC_TYPE_DATA:
2896 break;
2897 case CODEC_TYPE_SUBTITLE:
2898 break;
2899 case CODEC_TYPE_UNKNOWN:
2900 break;
2901 default:
2902 av_abort();
2903 }
2904 }
2905
2906 input_files[nb_input_files] = ic;
2907 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2908 /* dump the file content */
2909 if (verbose >= 0)
2910 dump_format(ic, nb_input_files, filename, 0);
2911
2912 nb_input_files++;
2913 file_iformat = NULL;
2914 file_oformat = NULL;
2915 image_format = NULL;
2916
2917 grab_device = NULL;
2918 video_channel = 0;
2919
2920 rate_emu = 0;
2921 }
2922
2923 static void opt_grab(const char *arg)
2924 {
2925 file_iformat = av_find_input_format(arg);
2926 opt_input_file("");
2927 }
2928
2929 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2930 {
2931 int has_video, has_audio, i, j;
2932 AVFormatContext *ic;
2933
2934 has_video = 0;
2935 has_audio = 0;
2936 for(j=0;j<nb_input_files;j++) {
2937 ic = input_files[j];
2938 for(i=0;i<ic->nb_streams;i++) {
2939 AVCodecContext *enc = ic->streams[i]->codec;
2940 switch(enc->codec_type) {
2941 case CODEC_TYPE_AUDIO:
2942 has_audio = 1;
2943 break;
2944 case CODEC_TYPE_VIDEO:
2945 has_video = 1;
2946 break;
2947 case CODEC_TYPE_DATA:
2948 case CODEC_TYPE_UNKNOWN:
2949 case CODEC_TYPE_SUBTITLE:
2950 break;
2951 default:
2952 av_abort();
2953 }
2954 }
2955 }
2956 *has_video_ptr = has_video;
2957 *has_audio_ptr = has_audio;
2958 }
2959
2960 static void new_video_stream(AVFormatContext *oc)
2961 {
2962 AVStream *st;
2963 AVCodecContext *video_enc;
2964 int codec_id;
2965
2966 st = av_new_stream(oc, oc->nb_streams);
2967 if (!st) {
2968 fprintf(stderr, "Could not alloc stream\n");
2969 exit(1);
2970 }
2971 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2972 video_bitstream_filters= NULL;
2973
2974 #if defined(HAVE_THREADS)
2975 if(thread_count>1)
2976 avcodec_thread_init(st->codec, thread_count);
2977 #endif
2978
2979 video_enc = st->codec;
2980
2981 if(video_codec_tag)
2982 video_enc->codec_tag= video_codec_tag;
2983
2984 if( (video_global_header&1)
2985 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2986 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2987 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
2988 }
2989 if(video_global_header&2){
2990 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2991 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2992 }
2993
2994 if (video_stream_copy) {
2995 st->stream_copy = 1;
2996 video_enc->codec_type = CODEC_TYPE_VIDEO;
2997 } else {
2998 char *p;
2999 int i;
3000 AVCodec *codec;
3001
3002 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3003 if (video_codec_id != CODEC_ID_NONE)
3004 codec_id = video_codec_id;
3005
3006 video_enc->codec_id = codec_id;
3007 codec = avcodec_find_encoder(codec_id);
3008
3009 for(i=0; i<opt_name_count; i++){
3010 AVOption *opt;
3011 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3012 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3013 av_set_double(video_enc, opt_names[i], d);
3014 }
3015
3016 video_enc->bit_rate = video_bit_rate;
3017 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3018 video_enc->time_base.den = frame_rate;
3019 video_enc->time_base.num = frame_rate_base;
3020 if(codec && codec->supported_framerates){
3021 const AVRational *p= codec->supported_framerates;
3022 AVRational req= (AVRational){frame_rate, frame_rate_base};
3023 const AVRational *best=NULL;
3024 AVRational best_error= (AVRational){INT_MAX, 1};
3025 for(; p->den!=0; p++){
3026 AVRational error= av_sub_q(req, *p);
3027 if(error.num <0) error.num *= -1;
3028 if(av_cmp_q(error, best_error) < 0){
3029 best_error= error;
3030 best= p;
3031 }
3032 }
3033 video_enc->time_base.den= best->num;
3034 video_enc->time_base.num= best->den;
3035 }
3036
3037 video_enc->width = frame_width + frame_padright + frame_padleft;
3038 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3039 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3040 video_enc->pix_fmt = frame_pix_fmt;
3041
3042 if(codec && codec->pix_fmts){
3043 const enum PixelFormat *p= codec->pix_fmts;
3044 for(; *p!=-1; p++){
3045 if(*p == video_enc->pix_fmt)
3046 break;
3047 }
3048 if(*p == -1)
3049 video_enc->pix_fmt = codec->pix_fmts[0];
3050 }
3051
3052 if (!intra_only)
3053 video_enc->gop_size = gop_size;
3054 else
3055 video_enc->gop_size = 0;
3056 if (video_qscale || same_quality) {
3057 video_enc->flags |= CODEC_FLAG_QSCALE;
3058 video_enc->global_quality=
3059 st->quality = FF_QP2LAMBDA * video_qscale;
3060 }
3061
3062 if(intra_matrix)
3063 video_enc->intra_matrix = intra_matrix;
3064 if(inter_matrix)
3065 video_enc->inter_matrix = inter_matrix;
3066
3067 video_enc->pre_me = pre_me;
3068
3069 if (b_frames) {
3070 video_enc->max_b_frames = b_frames;
3071 video_enc->b_quant_factor = 2.0;
3072 }
3073 video_enc->qmin = video_qmin;
3074 video_enc->qmax = video_qmax;
3075 video_enc->lmin = video_lmin;
3076 video_enc->lmax = video_lmax;
3077 video_enc->rc_qsquish = video_qsquish;
3078 video_enc->mb_lmin = video_mb_lmin;
3079 video_enc->mb_lmax = video_mb_lmax;
3080 video_enc->max_qdiff = video_qdiff;
3081 video_enc->qblur = video_qblur;
3082 video_enc->qcompress = video_qcomp;
3083 video_enc->rc_eq = video_rc_eq;
3084 video_enc->workaround_bugs = workaround_bugs;
3085 video_enc->thread_count = thread_count;
3086 p= video_rc_override_string;
3087 for(i=0; p; i++){
3088 int start, end, q;
3089 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3090 if(e!=3){
3091 fprintf(stderr, "error parsing rc_override\n");
3092 exit(1);
3093 }
3094 video_enc->rc_override=
3095 av_realloc(video_enc->rc_override,
3096 sizeof(RcOverride)*(i+1));
3097 video_enc->rc_override[i].start_frame= start;
3098 video_enc->rc_override[i].end_frame = end;
3099 if(q>0){
3100 video_enc->rc_override[i].qscale= q;
3101 video_enc->rc_override[i].quality_factor= 1.0;
3102 }
3103 else{
3104 video_enc->rc_override[i].qscale= 0;
3105 video_enc->rc_override[i].quality_factor= -q/100.0;
3106 }
3107 p= strchr(p, '/');
3108 if(p) p++;
3109 }
3110 video_enc->rc_override_count=i;
3111
3112 video_enc->rc_max_rate = video_rc_max_rate;
3113 video_enc->rc_min_rate = video_rc_min_rate;
3114 video_enc->rc_buffer_size = video_rc_buffer_size;
3115 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3116 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3117 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3118 video_enc->i_quant_factor = video_i_qfactor;
3119 video_enc->b_quant_factor = video_b_qfactor;
3120 video_enc->i_quant_offset = video_i_qoffset;
3121 video_enc->b_quant_offset = video_b_qoffset;
3122 video_enc->intra_quant_bias = video_intra_quant_bias;
3123 video_enc->inter_quant_bias = video_inter_quant_bias;
3124 video_enc->me_threshold= me_threshold;
3125 video_enc->mb_threshold= mb_threshold;
3126 video_enc->intra_dc_precision= intra_dc_precision - 8;
3127 video_enc->strict_std_compliance = strict;
3128 video_enc->error_rate = error_rate;
3129 video_enc->scenechange_threshold= sc_threshold;
3130 video_enc->me_range = me_range;
3131 video_enc->me_penalty_compensation= me_penalty_compensation;
3132 video_enc->frame_skip_threshold= frame_skip_threshold;
3133 video_enc->frame_skip_factor= frame_skip_factor;
3134 video_enc->frame_skip_exp= frame_skip_exp;
3135
3136 if(packet_size){
3137 video_enc->rtp_mode= 1;
3138 video_enc->rtp_payload_size= packet_size;
3139 }
3140
3141 if (do_psnr)
3142 video_enc->flags|= CODEC_FLAG_PSNR;
3143
3144 video_enc->me_method = me_method;
3145
3146 /* two pass mode */
3147 if (do_pass) {
3148 if (do_pass == 1) {
3149 video_enc->flags |= CODEC_FLAG_PASS1;
3150 } else {
3151 video_enc->flags |= CODEC_FLAG_PASS2;
3152 }
3153 }
3154 }
3155
3156 /* reset some key parameters */
3157 video_disable = 0;
3158 video_codec_id = CODEC_ID_NONE;
3159 video_stream_copy = 0;
3160 }
3161
3162 static void new_audio_stream(AVFormatContext *oc)
3163 {
3164 AVStream *st;
3165 AVCodecContext *audio_enc;
3166 int codec_id, i;
3167
3168 st = av_new_stream(oc, oc->nb_streams);
3169 if (!st) {
3170 fprintf(stderr, "Could not alloc stream\n");
3171 exit(1);
3172 }
3173
3174 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3175 audio_bitstream_filters= NULL;
3176
3177 #if defined(HAVE_THREADS)
3178 if(thread_count>1)
3179 avcodec_thread_init(st->codec, thread_count);
3180 #endif
3181
3182 audio_enc = st->codec;
3183 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3184
3185 if(audio_codec_tag)
3186 audio_enc->codec_tag= audio_codec_tag;
3187
3188 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3189 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3190 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3191 }
3192 if (audio_stream_copy) {
3193 st->stream_copy = 1;
3194 audio_enc->channels = audio_channels;
3195 } else {
3196 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3197
3198 for(i=0; i<opt_name_count; i++){
3199 AVOption *opt;
3200 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3201 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3202 av_set_double(audio_enc, opt_names[i], d);
3203 }
3204
3205 if (audio_codec_id != CODEC_ID_NONE)
3206 codec_id = audio_codec_id;
3207 audio_enc->codec_id = codec_id;
3208
3209 audio_enc->bit_rate = audio_bit_rate;
3210 if (audio_qscale > QSCALE_NONE) {
3211 audio_enc->flags |= CODEC_FLAG_QSCALE;
3212 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3213 }
3214 audio_enc->strict_std_compliance = strict;
3215 audio_enc->thread_count = thread_count;
3216 /* For audio codecs other than AC3 or DTS we limit */
3217 /* the number of coded channels to stereo */
3218 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3219 && codec_id != CODEC_ID_DTS) {
3220 audio_enc->channels = 2;
3221 } else
3222 audio_enc->channels = audio_channels;
3223 }
3224 audio_enc->sample_rate = audio_sample_rate;
3225 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3226 if (audio_language) {
3227 pstrcpy(st->language, sizeof(st->language), audio_language);
3228 av_free(audio_language);
3229 audio_language = NULL;
3230 }
3231
3232 /* reset some key parameters */
3233 audio_disable = 0;
3234 audio_codec_id = CODEC_ID_NONE;
3235 audio_stream_copy = 0;
3236 }
3237
3238 static void opt_new_subtitle_stream(void)
3239 {
3240 AVFormatContext *oc;
3241 AVStream *st;
3242 AVCodecContext *subtitle_enc;
3243 int i;
3244
3245 if (nb_output_files <= 0) {
3246 fprintf(stderr, "At least one output file must be specified\n");
3247 exit(1);
3248 }
3249 oc = output_files[nb_output_files - 1];
3250
3251 st = av_new_stream(oc, oc->nb_streams);
3252 if (!st) {
3253 fprintf(stderr, "Could not alloc stream\n");
3254 exit(1);
3255 }
3256
3257 subtitle_enc = st->codec;
3258 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3259 if (subtitle_stream_copy) {
3260 st->stream_copy = 1;
3261 } else {
3262 for(i=0; i<opt_name_count; i++){
3263 AVOption *opt;
3264 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3265 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3266 av_set_double(subtitle_enc, opt_names[i], d);
3267 }
3268 subtitle_enc->codec_id = subtitle_codec_id;
3269 }
3270
3271 if (subtitle_language) {
3272 pstrcpy(st->language, sizeof(st->language), subtitle_language);