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62d3be73d66ee0d216aa52f6310388bd69d89cc9
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include "avformat.h"
31 #include "swscale.h"
32 #include "framehook.h"
33 #include "opt.h"
34 #include "fifo.h"
35 #include "avstring.h"
36
37 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
38 #include <windows.h>
39 #endif
40
41 #if defined(HAVE_TERMIOS_H)
42 #include <unistd.h>
43 #include <fcntl.h>
44 #include <sys/ioctl.h>
45 #include <sys/time.h>
46 #include <termios.h>
47 #include <sys/resource.h>
48 #elif defined(HAVE_CONIO_H)
49 #include <conio.h>
50 #endif
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
52 #include <time.h>
53
54 #include "version.h"
55 #include "cmdutils.h"
56
57 #undef NDEBUG
58 #include <assert.h>
59
60 #if !defined(INFINITY) && defined(HUGE_VAL)
61 #define INFINITY HUGE_VAL
62 #endif
63
64 #undef exit
65
66 static const char program_name[] = "FFmpeg";
67 static const int program_birth_year = 2000;
68
69 /* select an input stream for an output stream */
70 typedef struct AVStreamMap {
71 int file_index;
72 int stream_index;
73 int sync_file_index;
74 int sync_stream_index;
75 } AVStreamMap;
76
77 /** select an input file for an output file */
78 typedef struct AVMetaDataMap {
79 int out_file;
80 int in_file;
81 } AVMetaDataMap;
82
83 extern const OptionDef options[];
84
85 static void show_help(void);
86 static void opt_show_license(void);
87 static int opt_default(const char *opt, const char *arg);
88
89 #define MAX_FILES 20
90
91 static AVFormatContext *input_files[MAX_FILES];
92 static int64_t input_files_ts_offset[MAX_FILES];
93 static int nb_input_files = 0;
94
95 static AVFormatContext *output_files[MAX_FILES];
96 static int nb_output_files = 0;
97
98 static AVStreamMap stream_maps[MAX_FILES];
99 static int nb_stream_maps;
100
101 static AVMetaDataMap meta_data_maps[MAX_FILES];
102 static int nb_meta_data_maps;
103
104 static AVInputFormat *file_iformat;
105 static AVOutputFormat *file_oformat;
106 static int frame_width = 0;
107 static int frame_height = 0;
108 static float frame_aspect_ratio = 0;
109 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
110 static int frame_padtop = 0;
111 static int frame_padbottom = 0;
112 static int frame_padleft = 0;
113 static int frame_padright = 0;
114 static int padcolor[3] = {16,128,128}; /* default to black */
115 static int frame_topBand = 0;
116 static int frame_bottomBand = 0;
117 static int frame_leftBand = 0;
118 static int frame_rightBand = 0;
119 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
120 static AVRational frame_rate = (AVRational) {25,1};
121 static float video_qscale = 0;
122 static int video_qdiff = 3;
123 static uint16_t *intra_matrix = NULL;
124 static uint16_t *inter_matrix = NULL;
125 #if 0 //experimental, (can be removed)
126 static float video_rc_qsquish=1.0;
127 static float video_rc_qmod_amp=0;
128 static int video_rc_qmod_freq=0;
129 #endif
130 static char *video_rc_override_string=NULL;
131 static char *video_rc_eq="tex^qComp";
132 static int video_disable = 0;
133 static int video_discard = 0;
134 static char *video_codec_name = NULL;
135 static int video_codec_tag = 0;
136 static int same_quality = 0;
137 static int do_deinterlace = 0;
138 static int strict = 0;
139 static int top_field_first = -1;
140 static int me_threshold = 0;
141 static int intra_dc_precision = 8;
142 static int loop_input = 0;
143 static int loop_output = AVFMT_NOOUTPUTLOOP;
144 static int qp_hist = 0;
145
146 static int intra_only = 0;
147 static int audio_sample_rate = 44100;
148 #define QSCALE_NONE -99999
149 static float audio_qscale = QSCALE_NONE;
150 static int audio_disable = 0;
151 static int audio_channels = 1;
152 static char *audio_codec_name = NULL;
153 static int audio_codec_tag = 0;
154 static char *audio_language = NULL;
155
156 static int subtitle_disable = 0;
157 static char *subtitle_codec_name = NULL;
158 static char *subtitle_language = NULL;
159
160 static float mux_preload= 0.5;
161 static float mux_max_delay= 0.7;
162
163 static int64_t recording_time = 0;
164 static int64_t start_time = 0;
165 static int64_t rec_timestamp = 0;
166 static int64_t input_ts_offset = 0;
167 static int file_overwrite = 0;
168 static char *str_title = NULL;
169 static char *str_author = NULL;
170 static char *str_copyright = NULL;
171 static char *str_comment = NULL;
172 static char *str_album = NULL;
173 static int do_benchmark = 0;
174 static int do_hex_dump = 0;
175 static int do_pkt_dump = 0;
176 static int do_psnr = 0;
177 static int do_pass = 0;
178 static char *pass_logfilename = NULL;
179 static int audio_stream_copy = 0;
180 static int video_stream_copy = 0;
181 static int subtitle_stream_copy = 0;
182 static int video_sync_method= 1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int opt_shortest = 0; //
187 static int video_global_header = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190
191 static int rate_emu = 0;
192
193 static int video_channel = 0;
194 static char *video_standard;
195
196 static int audio_volume = 256;
197
198 static int using_stdin = 0;
199 static int using_vhook = 0;
200 static int verbose = 1;
201 static int thread_count= 1;
202 static int q_pressed = 0;
203 static int64_t video_size = 0;
204 static int64_t audio_size = 0;
205 static int64_t extra_size = 0;
206 static int nb_frames_dup = 0;
207 static int nb_frames_drop = 0;
208 static int input_sync;
209 static uint64_t limit_filesize = 0; //
210
211 static int pgmyuv_compatibility_hack=0;
212 static float dts_delta_threshold = 10;
213
214 static int sws_flags = SWS_BICUBIC;
215
216 static const char **opt_names;
217 static int opt_name_count;
218 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
219 static AVFormatContext *avformat_opts;
220 static struct SwsContext *sws_opts;
221 static int64_t timer_start;
222
223 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
225 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
226
227 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
228
229 struct AVInputStream;
230
231 typedef struct AVOutputStream {
232 int file_index; /* file index */
233 int index; /* stream index in the output file */
234 int source_index; /* AVInputStream index */
235 AVStream *st; /* stream in the output file */
236 int encoding_needed; /* true if encoding needed for this stream */
237 int frame_number;
238 /* input pts and corresponding output pts
239 for A/V sync */
240 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
241 struct AVInputStream *sync_ist; /* input stream to sync against */
242 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
243 /* video only */
244 int video_resample;
245 AVFrame pict_tmp; /* temporary image for resampling */
246 struct SwsContext *img_resample_ctx; /* for image resampling */
247 int resample_height;
248
249 int video_crop;
250 int topBand; /* cropping area sizes */
251 int leftBand;
252
253 int video_pad;
254 int padtop; /* padding area sizes */
255 int padbottom;
256 int padleft;
257 int padright;
258
259 /* audio only */
260 int audio_resample;
261 ReSampleContext *resample; /* for audio resampling */
262 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
263 FILE *logfile;
264 } AVOutputStream;
265
266 typedef struct AVInputStream {
267 int file_index;
268 int index;
269 AVStream *st;
270 int discard; /* true if stream data should be discarded */
271 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
272 int64_t sample_index; /* current sample */
273
274 int64_t start; /* time when read started */
275 unsigned long frame; /* current frame */
276 int64_t next_pts; /* synthetic pts for cases where pkt.pts
277 is not defined */
278 int64_t pts; /* current pts */
279 int is_start; /* is 1 at the start and after a discontinuity */
280 } AVInputStream;
281
282 typedef struct AVInputFile {
283 int eof_reached; /* true if eof reached */
284 int ist_index; /* index of first stream in ist_table */
285 int buffer_size; /* current total buffer size */
286 int nb_streams; /* nb streams we are aware of */
287 } AVInputFile;
288
289 #ifdef HAVE_TERMIOS_H
290
291 /* init terminal so that we can grab keys */
292 static struct termios oldtty;
293 #endif
294
295 static void term_exit(void)
296 {
297 #ifdef HAVE_TERMIOS_H
298 tcsetattr (0, TCSANOW, &oldtty);
299 #endif
300 }
301
302 static volatile sig_atomic_t received_sigterm = 0;
303
304 static void
305 sigterm_handler(int sig)
306 {
307 received_sigterm = sig;
308 term_exit();
309 }
310
311 static void term_init(void)
312 {
313 #ifdef HAVE_TERMIOS_H
314 struct termios tty;
315
316 tcgetattr (0, &tty);
317 oldtty = tty;
318
319 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
320 |INLCR|IGNCR|ICRNL|IXON);
321 tty.c_oflag |= OPOST;
322 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
323 tty.c_cflag &= ~(CSIZE|PARENB);
324 tty.c_cflag |= CS8;
325 tty.c_cc[VMIN] = 1;
326 tty.c_cc[VTIME] = 0;
327
328 tcsetattr (0, TCSANOW, &tty);
329 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
330 #endif
331
332 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
333 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
334 /*
335 register a function to be called at normal program termination
336 */
337 atexit(term_exit);
338 #ifdef CONFIG_BEOS_NETSERVER
339 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
340 #endif
341 }
342
343 /* read a key without blocking */
344 static int read_key(void)
345 {
346 #if defined(HAVE_TERMIOS_H)
347 int n = 1;
348 unsigned char ch;
349 #ifndef CONFIG_BEOS_NETSERVER
350 struct timeval tv;
351 fd_set rfds;
352
353 FD_ZERO(&rfds);
354 FD_SET(0, &rfds);
355 tv.tv_sec = 0;
356 tv.tv_usec = 0;
357 n = select(1, &rfds, NULL, NULL, &tv);
358 #endif
359 if (n > 0) {
360 n = read(0, &ch, 1);
361 if (n == 1)
362 return ch;
363
364 return n;
365 }
366 #elif defined(HAVE_CONIO_H)
367 if(kbhit())
368 return(getch());
369 #endif
370 return -1;
371 }
372
373 static int decode_interrupt_cb(void)
374 {
375 return q_pressed || (q_pressed = read_key() == 'q');
376 }
377
378 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
379 {
380 int i, err;
381 AVFormatContext *ic;
382
383 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
384 if (err < 0)
385 return err;
386 /* copy stream format */
387 s->nb_streams = ic->nb_streams;
388 for(i=0;i<ic->nb_streams;i++) {
389 AVStream *st;
390
391 // FIXME: a more elegant solution is needed
392 st = av_mallocz(sizeof(AVStream));
393 memcpy(st, ic->streams[i], sizeof(AVStream));
394 st->codec = avcodec_alloc_context();
395 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
396 s->streams[i] = st;
397 }
398
399 av_close_input_file(ic);
400 return 0;
401 }
402
403 static double
404 get_sync_ipts(const AVOutputStream *ost)
405 {
406 const AVInputStream *ist = ost->sync_ist;
407 return (double)(ist->pts - start_time)/AV_TIME_BASE;
408 }
409
410 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
411 while(bsfc){
412 AVPacket new_pkt= *pkt;
413 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
414 &new_pkt.data, &new_pkt.size,
415 pkt->data, pkt->size,
416 pkt->flags & PKT_FLAG_KEY);
417 if(a){
418 av_free_packet(pkt);
419 new_pkt.destruct= av_destruct_packet;
420 }
421 *pkt= new_pkt;
422
423 bsfc= bsfc->next;
424 }
425
426 av_interleaved_write_frame(s, pkt);
427 }
428
429 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
430
431 static void do_audio_out(AVFormatContext *s,
432 AVOutputStream *ost,
433 AVInputStream *ist,
434 unsigned char *buf, int size)
435 {
436 uint8_t *buftmp;
437 static uint8_t *audio_buf = NULL;
438 static uint8_t *audio_out = NULL;
439 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
440
441 int size_out, frame_bytes, ret;
442 AVCodecContext *enc= ost->st->codec;
443
444 /* SC: dynamic allocation of buffers */
445 if (!audio_buf)
446 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
447 if (!audio_out)
448 audio_out = av_malloc(audio_out_size);
449 if (!audio_buf || !audio_out)
450 return; /* Should signal an error ! */
451
452 if(audio_sync_method){
453 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
454 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
455 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
456 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
457
458 //FIXME resample delay
459 if(fabs(delta) > 50){
460 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
461 if(byte_delta < 0){
462 byte_delta= FFMAX(byte_delta, -size);
463 size += byte_delta;
464 buf -= byte_delta;
465 if(verbose > 2)
466 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
467 if(!size)
468 return;
469 ist->is_start=0;
470 }else{
471 static uint8_t *input_tmp= NULL;
472 input_tmp= av_realloc(input_tmp, byte_delta + size);
473
474 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
475 ist->is_start=0;
476 else
477 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
478
479 memset(input_tmp, 0, byte_delta);
480 memcpy(input_tmp + byte_delta, buf, size);
481 buf= input_tmp;
482 size += byte_delta;
483 if(verbose > 2)
484 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
485 }
486 }else if(audio_sync_method>1){
487 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
488 assert(ost->audio_resample);
489 if(verbose > 2)
490 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
491 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2));
492 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
493 }
494 }
495 }else
496 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
497 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
498
499 if (ost->audio_resample) {
500 buftmp = audio_buf;
501 size_out = audio_resample(ost->resample,
502 (short *)buftmp, (short *)buf,
503 size / (ist->st->codec->channels * 2));
504 size_out = size_out * enc->channels * 2;
505 } else {
506 buftmp = buf;
507 size_out = size;
508 }
509
510 /* now encode as many frames as possible */
511 if (enc->frame_size > 1) {
512 /* output resampled raw samples */
513 av_fifo_write(&ost->fifo, buftmp, size_out);
514
515 frame_bytes = enc->frame_size * 2 * enc->channels;
516
517 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
518 AVPacket pkt;
519 av_init_packet(&pkt);
520
521 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
522 (short *)audio_buf);
523 audio_size += ret;
524 pkt.stream_index= ost->index;
525 pkt.data= audio_out;
526 pkt.size= ret;
527 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
528 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
529 pkt.flags |= PKT_FLAG_KEY;
530 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
531
532 ost->sync_opts += enc->frame_size;
533 }
534 } else {
535 AVPacket pkt;
536 av_init_packet(&pkt);
537
538 ost->sync_opts += size_out / (2 * enc->channels);
539
540 /* output a pcm frame */
541 /* XXX: change encoding codec API to avoid this ? */
542 switch(enc->codec->id) {
543 case CODEC_ID_PCM_S32LE:
544 case CODEC_ID_PCM_S32BE:
545 case CODEC_ID_PCM_U32LE:
546 case CODEC_ID_PCM_U32BE:
547 size_out = size_out << 1;
548 break;
549 case CODEC_ID_PCM_S24LE:
550 case CODEC_ID_PCM_S24BE:
551 case CODEC_ID_PCM_U24LE:
552 case CODEC_ID_PCM_U24BE:
553 case CODEC_ID_PCM_S24DAUD:
554 size_out = size_out / 2 * 3;
555 break;
556 case CODEC_ID_PCM_S16LE:
557 case CODEC_ID_PCM_S16BE:
558 case CODEC_ID_PCM_U16LE:
559 case CODEC_ID_PCM_U16BE:
560 break;
561 default:
562 size_out = size_out >> 1;
563 break;
564 }
565 ret = avcodec_encode_audio(enc, audio_out, size_out,
566 (short *)buftmp);
567 audio_size += ret;
568 pkt.stream_index= ost->index;
569 pkt.data= audio_out;
570 pkt.size= ret;
571 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
572 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
573 pkt.flags |= PKT_FLAG_KEY;
574 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
575 }
576 }
577
578 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
579 {
580 AVCodecContext *dec;
581 AVPicture *picture2;
582 AVPicture picture_tmp;
583 uint8_t *buf = 0;
584
585 dec = ist->st->codec;
586
587 /* deinterlace : must be done before any resize */
588 if (do_deinterlace || using_vhook) {
589 int size;
590
591 /* create temporary picture */
592 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
593 buf = av_malloc(size);
594 if (!buf)
595 return;
596
597 picture2 = &picture_tmp;
598 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
599
600 if (do_deinterlace){
601 if(avpicture_deinterlace(picture2, picture,
602 dec->pix_fmt, dec->width, dec->height) < 0) {
603 /* if error, do not deinterlace */
604 av_free(buf);
605 buf = NULL;
606 picture2 = picture;
607 }
608 } else {
609 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
610 }
611 } else {
612 picture2 = picture;
613 }
614
615 if (ENABLE_VHOOK)
616 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
617 1000000 * ist->pts / AV_TIME_BASE);
618
619 if (picture != picture2)
620 *picture = *picture2;
621 *bufp = buf;
622 }
623
624 /* we begin to correct av delay at this threshold */
625 #define AV_DELAY_MAX 0.100
626
627 static void do_subtitle_out(AVFormatContext *s,
628 AVOutputStream *ost,
629 AVInputStream *ist,
630 AVSubtitle *sub,
631 int64_t pts)
632 {
633 static uint8_t *subtitle_out = NULL;
634 int subtitle_out_max_size = 65536;
635 int subtitle_out_size, nb, i;
636 AVCodecContext *enc;
637 AVPacket pkt;
638
639 if (pts == AV_NOPTS_VALUE) {
640 fprintf(stderr, "Subtitle packets must have a pts\n");
641 return;
642 }
643
644 enc = ost->st->codec;
645
646 if (!subtitle_out) {
647 subtitle_out = av_malloc(subtitle_out_max_size);
648 }
649
650 /* Note: DVB subtitle need one packet to draw them and one other
651 packet to clear them */
652 /* XXX: signal it in the codec context ? */
653 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
654 nb = 2;
655 else
656 nb = 1;
657
658 for(i = 0; i < nb; i++) {
659 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
660 subtitle_out_max_size, sub);
661
662 av_init_packet(&pkt);
663 pkt.stream_index = ost->index;
664 pkt.data = subtitle_out;
665 pkt.size = subtitle_out_size;
666 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
667 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
668 /* XXX: the pts correction is handled here. Maybe handling
669 it in the codec would be better */
670 if (i == 0)
671 pkt.pts += 90 * sub->start_display_time;
672 else
673 pkt.pts += 90 * sub->end_display_time;
674 }
675 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
676 }
677 }
678
679 static int bit_buffer_size= 1024*256;
680 static uint8_t *bit_buffer= NULL;
681
682 static void do_video_out(AVFormatContext *s,
683 AVOutputStream *ost,
684 AVInputStream *ist,
685 AVFrame *in_picture,
686 int *frame_size)
687 {
688 int nb_frames, i, ret;
689 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
690 AVFrame picture_crop_temp, picture_pad_temp;
691 AVCodecContext *enc, *dec;
692
693 avcodec_get_frame_defaults(&picture_crop_temp);
694 avcodec_get_frame_defaults(&picture_pad_temp);
695
696 enc = ost->st->codec;
697 dec = ist->st->codec;
698
699 /* by default, we output a single frame */
700 nb_frames = 1;
701
702 *frame_size = 0;
703
704 if(video_sync_method){
705 double vdelta;
706 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
707 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
708 if (vdelta < -1.1)
709 nb_frames = 0;
710 else if (vdelta > 1.1)
711 nb_frames = lrintf(vdelta);
712 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
713 if (nb_frames == 0){
714 ++nb_frames_drop;
715 if (verbose>2)
716 fprintf(stderr, "*** drop!\n");
717 }else if (nb_frames > 1) {
718 nb_frames_dup += nb_frames;
719 if (verbose>2)
720 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
721 }
722 }else
723 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
724
725 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
726 if (nb_frames <= 0)
727 return;
728
729 if (ost->video_crop) {
730 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
731 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
732 return;
733 }
734 formatted_picture = &picture_crop_temp;
735 } else {
736 formatted_picture = in_picture;
737 }
738
739 final_picture = formatted_picture;
740 padding_src = formatted_picture;
741 resampling_dst = &ost->pict_tmp;
742 if (ost->video_pad) {
743 final_picture = &ost->pict_tmp;
744 if (ost->video_resample) {
745 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
746 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
747 return;
748 }
749 resampling_dst = &picture_pad_temp;
750 }
751 }
752
753 if (ost->video_resample) {
754 padding_src = NULL;
755 final_picture = &ost->pict_tmp;
756 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
757 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
758 }
759
760 if (ost->video_pad) {
761 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
762 enc->height, enc->width, enc->pix_fmt,
763 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
764 }
765
766 /* duplicates frame if needed */
767 for(i=0;i<nb_frames;i++) {
768 AVPacket pkt;
769 av_init_packet(&pkt);
770 pkt.stream_index= ost->index;
771
772 if (s->oformat->flags & AVFMT_RAWPICTURE) {
773 /* raw pictures are written as AVPicture structure to
774 avoid any copies. We support temorarily the older
775 method. */
776 AVFrame* old_frame = enc->coded_frame;
777 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
778 pkt.data= (uint8_t *)final_picture;
779 pkt.size= sizeof(AVPicture);
780 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
781 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
782 if(dec->coded_frame && dec->coded_frame->key_frame)
783 pkt.flags |= PKT_FLAG_KEY;
784
785 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
786 enc->coded_frame = old_frame;
787 } else {
788 AVFrame big_picture;
789
790 big_picture= *final_picture;
791 /* better than nothing: use input picture interlaced
792 settings */
793 big_picture.interlaced_frame = in_picture->interlaced_frame;
794 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
795 if(top_field_first == -1)
796 big_picture.top_field_first = in_picture->top_field_first;
797 else
798 big_picture.top_field_first = top_field_first;
799 }
800
801 /* handles sameq here. This is not correct because it may
802 not be a global option */
803 if (same_quality) {
804 big_picture.quality = ist->st->quality;
805 }else
806 big_picture.quality = ost->st->quality;
807 if(!me_threshold)
808 big_picture.pict_type = 0;
809 // big_picture.pts = AV_NOPTS_VALUE;
810 big_picture.pts= ost->sync_opts;
811 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
812 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
813 ret = avcodec_encode_video(enc,
814 bit_buffer, bit_buffer_size,
815 &big_picture);
816 if (ret == -1) {
817 fprintf(stderr, "Video encoding failed\n");
818 exit(1);
819 }
820 //enc->frame_number = enc->real_pict_num;
821 if(ret>0){
822 pkt.data= bit_buffer;
823 pkt.size= ret;
824 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
825 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
826 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
827 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
828 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
829
830 if(enc->coded_frame && enc->coded_frame->key_frame)
831 pkt.flags |= PKT_FLAG_KEY;
832 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
833 *frame_size = ret;
834 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
835 // enc->frame_number-1, enc->real_pict_num, ret,
836 // enc->pict_type);
837 /* if two pass, output log */
838 if (ost->logfile && enc->stats_out) {
839 fprintf(ost->logfile, "%s", enc->stats_out);
840 }
841 }
842 }
843 ost->sync_opts++;
844 ost->frame_number++;
845 }
846 }
847
848 static double psnr(double d){
849 if(d==0) return INFINITY;
850 return -10.0*log(d)/log(10.0);
851 }
852
853 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
854 int frame_size)
855 {
856 AVCodecContext *enc;
857 int frame_number;
858 double ti1, bitrate, avg_bitrate;
859
860 /* this is executed just the first time do_video_stats is called */
861 if (!vstats_file) {
862 vstats_file = fopen(vstats_filename, "w");
863 if (!vstats_file) {
864 perror("fopen");
865 exit(1);
866 }
867 }
868
869 enc = ost->st->codec;
870 if (enc->codec_type == CODEC_TYPE_VIDEO) {
871 frame_number = ost->frame_number;
872 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
873 if (enc->flags&CODEC_FLAG_PSNR)
874 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
875
876 fprintf(vstats_file,"f_size= %6d ", frame_size);
877 /* compute pts value */
878 ti1 = ost->sync_opts * av_q2d(enc->time_base);
879 if (ti1 < 0.01)
880 ti1 = 0.01;
881
882 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
883 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
884 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
885 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
886 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
887 }
888 }
889
890 static void print_report(AVFormatContext **output_files,
891 AVOutputStream **ost_table, int nb_ostreams,
892 int is_last_report)
893 {
894 char buf[1024];
895 AVOutputStream *ost;
896 AVFormatContext *oc, *os;
897 int64_t total_size;
898 AVCodecContext *enc;
899 int frame_number, vid, i;
900 double bitrate, ti1, pts;
901 static int64_t last_time = -1;
902 static int qp_histogram[52];
903
904 if (!is_last_report) {
905 int64_t cur_time;
906 /* display the report every 0.5 seconds */
907 cur_time = av_gettime();
908 if (last_time == -1) {
909 last_time = cur_time;
910 return;
911 }
912 if ((cur_time - last_time) < 500000)
913 return;
914 last_time = cur_time;
915 }
916
917
918 oc = output_files[0];
919
920 total_size = url_fsize(&oc->pb);
921 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
922 total_size= url_ftell(&oc->pb);
923
924 buf[0] = '\0';
925 ti1 = 1e10;
926 vid = 0;
927 for(i=0;i<nb_ostreams;i++) {
928 ost = ost_table[i];
929 os = output_files[ost->file_index];
930 enc = ost->st->codec;
931 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
933 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
934 }
935 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
936 float t = (av_gettime()-timer_start) / 1000000.0;
937
938 frame_number = ost->frame_number;
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
940 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
941 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
942 if(is_last_report)
943 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
944 if(qp_hist && enc->coded_frame){
945 int j;
946 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
947 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
948 qp_histogram[qp]++;
949 for(j=0; j<32; j++)
950 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
951 }
952 if (enc->flags&CODEC_FLAG_PSNR){
953 int j;
954 double error, error_sum=0;
955 double scale, scale_sum=0;
956 char type[3]= {'Y','U','V'};
957 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
958 for(j=0; j<3; j++){
959 if(is_last_report){
960 error= enc->error[j];
961 scale= enc->width*enc->height*255.0*255.0*frame_number;
962 }else{
963 error= enc->coded_frame->error[j];
964 scale= enc->width*enc->height*255.0*255.0;
965 }
966 if(j) scale/=4;
967 error_sum += error;
968 scale_sum += scale;
969 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
970 }
971 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
972 }
973 vid = 1;
974 }
975 /* compute min output value */
976 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
977 if ((pts < ti1) && (pts > 0))
978 ti1 = pts;
979 }
980 if (ti1 < 0.01)
981 ti1 = 0.01;
982
983 if (verbose || is_last_report) {
984 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
985
986 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
987 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
988 (double)total_size / 1024, ti1, bitrate);
989
990 if (verbose > 1)
991 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
992 nb_frames_dup, nb_frames_drop);
993
994 if (verbose >= 0)
995 fprintf(stderr, "%s \r", buf);
996
997 fflush(stderr);
998 }
999
1000 if (is_last_report && verbose >= 0){
1001 int64_t raw= audio_size + video_size + extra_size;
1002 fprintf(stderr, "\n");
1003 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1004 video_size/1024.0,
1005 audio_size/1024.0,
1006 extra_size/1024.0,
1007 100.0*(total_size - raw)/raw
1008 );
1009 }
1010 }
1011
1012 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1013 static int output_packet(AVInputStream *ist, int ist_index,
1014 AVOutputStream **ost_table, int nb_ostreams,
1015 const AVPacket *pkt)
1016 {
1017 AVFormatContext *os;
1018 AVOutputStream *ost;
1019 uint8_t *ptr;
1020 int len, ret, i;
1021 uint8_t *data_buf;
1022 int data_size, got_picture;
1023 AVFrame picture;
1024 void *buffer_to_free;
1025 static unsigned int samples_size= 0;
1026 static short *samples= NULL;
1027 AVSubtitle subtitle, *subtitle_to_free;
1028 int got_subtitle;
1029
1030 if(!pkt){
1031 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1032 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1033 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1034 } else {
1035 // assert(ist->pts == ist->next_pts);
1036 }
1037
1038 if (pkt == NULL) {
1039 /* EOF handling */
1040 ptr = NULL;
1041 len = 0;
1042 goto handle_eof;
1043 }
1044
1045 len = pkt->size;
1046 ptr = pkt->data;
1047 while (len > 0) {
1048 handle_eof:
1049 /* decode the packet if needed */
1050 data_buf = NULL; /* fail safe */
1051 data_size = 0;
1052 subtitle_to_free = NULL;
1053 if (ist->decoding_needed) {
1054 switch(ist->st->codec->codec_type) {
1055 case CODEC_TYPE_AUDIO:{
1056 if(pkt)
1057 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1058 data_size= samples_size;
1059 /* XXX: could avoid copy if PCM 16 bits with same
1060 endianness as CPU */
1061 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1062 ptr, len);
1063 if (ret < 0)
1064 goto fail_decode;
1065 ptr += ret;
1066 len -= ret;
1067 /* Some bug in mpeg audio decoder gives */
1068 /* data_size < 0, it seems they are overflows */
1069 if (data_size <= 0) {
1070 /* no audio frame */
1071 continue;
1072 }
1073 data_buf = (uint8_t *)samples;
1074 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1075 (ist->st->codec->sample_rate * ist->st->codec->channels);
1076 break;}
1077 case CODEC_TYPE_VIDEO:
1078 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1079 /* XXX: allocate picture correctly */
1080 avcodec_get_frame_defaults(&picture);
1081
1082 ret = avcodec_decode_video(ist->st->codec,
1083 &picture, &got_picture, ptr, len);
1084 ist->st->quality= picture.quality;
1085 if (ret < 0)
1086 goto fail_decode;
1087 if (!got_picture) {
1088 /* no picture yet */
1089 goto discard_packet;
1090 }
1091 if (ist->st->codec->time_base.num != 0) {
1092 ist->next_pts += ((int64_t)AV_TIME_BASE *
1093 ist->st->codec->time_base.num) /
1094 ist->st->codec->time_base.den;
1095 }
1096 len = 0;
1097 break;
1098 case CODEC_TYPE_SUBTITLE:
1099 ret = avcodec_decode_subtitle(ist->st->codec,
1100 &subtitle, &got_subtitle, ptr, len);
1101 if (ret < 0)
1102 goto fail_decode;
1103 if (!got_subtitle) {
1104 goto discard_packet;
1105 }
1106 subtitle_to_free = &subtitle;
1107 len = 0;
1108 break;
1109 default:
1110 goto fail_decode;
1111 }
1112 } else {
1113 switch(ist->st->codec->codec_type) {
1114 case CODEC_TYPE_AUDIO:
1115 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1116 (ist->st->codec->sample_rate * ist->st->codec->channels);
1117 break;
1118 case CODEC_TYPE_VIDEO:
1119 if (ist->st->codec->time_base.num != 0) {
1120 ist->next_pts += ((int64_t)AV_TIME_BASE *
1121 ist->st->codec->time_base.num) /
1122 ist->st->codec->time_base.den;
1123 }
1124 break;
1125 }
1126 data_buf = ptr;
1127 data_size = len;
1128 ret = len;
1129 len = 0;
1130 }
1131
1132 buffer_to_free = NULL;
1133 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1134 pre_process_video_frame(ist, (AVPicture *)&picture,
1135 &buffer_to_free);
1136 }
1137
1138 // preprocess audio (volume)
1139 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1140 if (audio_volume != 256) {
1141 short *volp;
1142 volp = samples;
1143 for(i=0;i<(data_size / sizeof(short));i++) {
1144 int v = ((*volp) * audio_volume + 128) >> 8;
1145 if (v < -32768) v = -32768;
1146 if (v > 32767) v = 32767;
1147 *volp++ = v;
1148 }
1149 }
1150 }
1151
1152 /* frame rate emulation */
1153 if (ist->st->codec->rate_emu) {
1154 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1155 int64_t now = av_gettime() - ist->start;
1156 if (pts > now)
1157 usleep(pts - now);
1158
1159 ist->frame++;
1160 }
1161
1162 #if 0
1163 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1164 is the one of the next displayed one */
1165 /* XXX: add mpeg4 too ? */
1166 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1167 if (ist->st->codec->pict_type != B_TYPE) {
1168 int64_t tmp;
1169 tmp = ist->last_ip_pts;
1170 ist->last_ip_pts = ist->frac_pts.val;
1171 ist->frac_pts.val = tmp;
1172 }
1173 }
1174 #endif
1175 /* if output time reached then transcode raw format,
1176 encode packets and output them */
1177 if (start_time == 0 || ist->pts >= start_time)
1178 for(i=0;i<nb_ostreams;i++) {
1179 int frame_size;
1180
1181 ost = ost_table[i];
1182 if (ost->source_index == ist_index) {
1183 os = output_files[ost->file_index];
1184
1185 #if 0
1186 printf("%d: got pts=%0.3f %0.3f\n", i,
1187 (double)pkt->pts / AV_TIME_BASE,
1188 ((double)ist->pts / AV_TIME_BASE) -
1189 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1190 #endif
1191 /* set the input output pts pairs */
1192 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1193
1194 if (ost->encoding_needed) {
1195 switch(ost->st->codec->codec_type) {
1196 case CODEC_TYPE_AUDIO:
1197 do_audio_out(os, ost, ist, data_buf, data_size);
1198 break;
1199 case CODEC_TYPE_VIDEO:
1200 do_video_out(os, ost, ist, &picture, &frame_size);
1201 video_size += frame_size;
1202 if (vstats_filename && frame_size)
1203 do_video_stats(os, ost, frame_size);
1204 break;
1205 case CODEC_TYPE_SUBTITLE:
1206 do_subtitle_out(os, ost, ist, &subtitle,
1207 pkt->pts);
1208 break;
1209 default:
1210 abort();
1211 }
1212 } else {
1213 AVFrame avframe; //FIXME/XXX remove this
1214 AVPacket opkt;
1215 av_init_packet(&opkt);
1216
1217 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1218 continue;
1219
1220 /* no reencoding needed : output the packet directly */
1221 /* force the input stream PTS */
1222
1223 avcodec_get_frame_defaults(&avframe);
1224 ost->st->codec->coded_frame= &avframe;
1225 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1226
1227 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1228 audio_size += data_size;
1229 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1230 video_size += data_size;
1231 ost->sync_opts++;
1232 }
1233
1234 opkt.stream_index= ost->index;
1235 if(pkt->pts != AV_NOPTS_VALUE)
1236 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1237 else
1238 opkt.pts= AV_NOPTS_VALUE;
1239
1240 if (pkt->dts == AV_NOPTS_VALUE)
1241 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1242 else
1243 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1244
1245 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1246 opkt.flags= pkt->flags;
1247
1248 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1249 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1250 opkt.destruct= av_destruct_packet;
1251
1252 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1253 ost->st->codec->frame_number++;
1254 ost->frame_number++;
1255 av_free_packet(&opkt);
1256 }
1257 }
1258 }
1259 av_free(buffer_to_free);
1260 /* XXX: allocate the subtitles in the codec ? */
1261 if (subtitle_to_free) {
1262 if (subtitle_to_free->rects != NULL) {
1263 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1264 av_free(subtitle_to_free->rects[i].bitmap);
1265 av_free(subtitle_to_free->rects[i].rgba_palette);
1266 }
1267 av_freep(&subtitle_to_free->rects);
1268 }
1269 subtitle_to_free->num_rects = 0;
1270 subtitle_to_free = NULL;
1271 }
1272 }
1273 discard_packet:
1274 if (pkt == NULL) {
1275 /* EOF handling */
1276
1277 for(i=0;i<nb_ostreams;i++) {
1278 ost = ost_table[i];
1279 if (ost->source_index == ist_index) {
1280 AVCodecContext *enc= ost->st->codec;
1281 os = output_files[ost->file_index];
1282
1283 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1284 continue;
1285 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1286 continue;
1287
1288 if (ost->encoding_needed) {
1289 for(;;) {
1290 AVPacket pkt;
1291 int fifo_bytes;
1292 av_init_packet(&pkt);
1293 pkt.stream_index= ost->index;
1294
1295 switch(ost->st->codec->codec_type) {
1296 case CODEC_TYPE_AUDIO:
1297 fifo_bytes = av_fifo_size(&ost->fifo);
1298 ret = 0;
1299 /* encode any samples remaining in fifo */
1300 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1301 int fs_tmp = enc->frame_size;
1302 enc->frame_size = fifo_bytes / (2 * enc->channels);
1303 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1304 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1305 }
1306 enc->frame_size = fs_tmp;
1307 }
1308 if(ret <= 0) {
1309 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1310 }
1311 audio_size += ret;
1312 pkt.flags |= PKT_FLAG_KEY;
1313 break;
1314 case CODEC_TYPE_VIDEO:
1315 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1316 video_size += ret;
1317 if(enc->coded_frame && enc->coded_frame->key_frame)
1318 pkt.flags |= PKT_FLAG_KEY;
1319 if (ost->logfile && enc->stats_out) {
1320 fprintf(ost->logfile, "%s", enc->stats_out);
1321 }
1322 break;
1323 default:
1324 ret=-1;
1325 }
1326
1327 if(ret<=0)
1328 break;
1329 pkt.data= bit_buffer;
1330 pkt.size= ret;
1331 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1332 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1333 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1334 }
1335 }
1336 }
1337 }
1338 }
1339
1340 return 0;
1341 fail_decode:
1342 return -1;
1343 }
1344
1345 static void print_sdp(AVFormatContext **avc, int n)
1346 {
1347 char sdp[2048];
1348
1349 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1350 printf("SDP:\n%s\n", sdp);
1351 }
1352
1353 /*
1354 * The following code is the main loop of the file converter
1355 */
1356 static int av_encode(AVFormatContext **output_files,
1357 int nb_output_files,
1358 AVFormatContext **input_files,
1359 int nb_input_files,
1360 AVStreamMap *stream_maps, int nb_stream_maps)
1361 {
1362 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1363 AVFormatContext *is, *os;
1364 AVCodecContext *codec, *icodec;
1365 AVOutputStream *ost, **ost_table = NULL;
1366 AVInputStream *ist, **ist_table = NULL;
1367 AVInputFile *file_table;
1368 int key;
1369 int want_sdp = 1;
1370
1371 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1372 if (!file_table)
1373 goto fail;
1374
1375 /* input stream init */
1376 j = 0;
1377 for(i=0;i<nb_input_files;i++) {
1378 is = input_files[i];
1379 file_table[i].ist_index = j;
1380 file_table[i].nb_streams = is->nb_streams;
1381 j += is->nb_streams;
1382 }
1383 nb_istreams = j;
1384
1385 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1386 if (!ist_table)
1387 goto fail;
1388
1389 for(i=0;i<nb_istreams;i++) {
1390 ist = av_mallocz(sizeof(AVInputStream));
1391 if (!ist)
1392 goto fail;
1393 ist_table[i] = ist;
1394 }
1395 j = 0;
1396 for(i=0;i<nb_input_files;i++) {
1397 is = input_files[i];
1398 for(k=0;k<is->nb_streams;k++) {
1399 ist = ist_table[j++];
1400 ist->st = is->streams[k];
1401 ist->file_index = i;
1402 ist->index = k;
1403 ist->discard = 1; /* the stream is discarded by default
1404 (changed later) */
1405
1406 if (ist->st->codec->rate_emu) {
1407 ist->start = av_gettime();
1408 ist->frame = 0;
1409 }
1410 }
1411 }
1412
1413 /* output stream init */
1414 nb_ostreams = 0;
1415 for(i=0;i<nb_output_files;i++) {
1416 os = output_files[i];
1417 if (!os->nb_streams) {
1418 fprintf(stderr, "Output file does not contain any stream\n");
1419 exit(1);
1420 }
1421 nb_ostreams += os->nb_streams;
1422 }
1423 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1424 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1425 exit(1);
1426 }
1427
1428 /* Sanity check the mapping args -- do the input files & streams exist? */
1429 for(i=0;i<nb_stream_maps;i++) {
1430 int fi = stream_maps[i].file_index;
1431 int si = stream_maps[i].stream_index;
1432
1433 if (fi < 0 || fi > nb_input_files - 1 ||
1434 si < 0 || si > file_table[fi].nb_streams - 1) {
1435 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1436 exit(1);
1437 }
1438 fi = stream_maps[i].sync_file_index;
1439 si = stream_maps[i].sync_stream_index;
1440 if (fi < 0 || fi > nb_input_files - 1 ||
1441 si < 0 || si > file_table[fi].nb_streams - 1) {
1442 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1443 exit(1);
1444 }
1445 }
1446
1447 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1448 if (!ost_table)
1449 goto fail;
1450 for(i=0;i<nb_ostreams;i++) {
1451 ost = av_mallocz(sizeof(AVOutputStream));
1452 if (!ost)
1453 goto fail;
1454 ost_table[i] = ost;
1455 }
1456
1457 n = 0;
1458 for(k=0;k<nb_output_files;k++) {
1459 os = output_files[k];
1460 for(i=0;i<os->nb_streams;i++) {
1461 int found;
1462 ost = ost_table[n++];
1463 ost->file_index = k;
1464 ost->index = i;
1465 ost->st = os->streams[i];
1466 if (nb_stream_maps > 0) {
1467 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1468 stream_maps[n-1].stream_index;
1469
1470 /* Sanity check that the stream types match */
1471 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1472 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1473 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1474 ost->file_index, ost->index);
1475 exit(1);
1476 }
1477
1478 } else {
1479 /* get corresponding input stream index : we select the first one with the right type */
1480 found = 0;
1481 for(j=0;j<nb_istreams;j++) {
1482 ist = ist_table[j];
1483 if (ist->discard &&
1484 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485 ost->source_index = j;
1486 found = 1;
1487 break;
1488 }
1489 }
1490
1491 if (!found) {
1492 /* try again and reuse existing stream */
1493 for(j=0;j<nb_istreams;j++) {
1494 ist = ist_table[j];
1495 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1496 ost->source_index = j;
1497 found = 1;
1498 }
1499 }
1500 if (!found) {
1501 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1502 ost->file_index, ost->index);
1503 exit(1);
1504 }
1505 }
1506 }
1507 ist = ist_table[ost->source_index];
1508 ist->discard = 0;
1509 ost->sync_ist = (nb_stream_maps > 0) ?
1510 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1511 stream_maps[n-1].sync_stream_index] : ist;
1512 }
1513 }
1514
1515 /* for each output stream, we compute the right encoding parameters */
1516 for(i=0;i<nb_ostreams;i++) {
1517 ost = ost_table[i];
1518 os = output_files[ost->file_index];
1519 ist = ist_table[ost->source_index];
1520
1521 codec = ost->st->codec;
1522 icodec = ist->st->codec;
1523
1524 if (!ost->st->language[0])
1525 av_strlcpy(ost->st->language, ist->st->language,
1526 sizeof(ost->st->language));
1527
1528 if (ost->st->stream_copy) {
1529 /* if stream_copy is selected, no need to decode or encode */
1530 codec->codec_id = icodec->codec_id;
1531 codec->codec_type = icodec->codec_type;
1532
1533 if(!codec->codec_tag){
1534 if( !os->oformat->codec_tag
1535 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1536 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1537 codec->codec_tag = icodec->codec_tag;
1538 }
1539
1540 codec->bit_rate = icodec->bit_rate;
1541 codec->extradata= icodec->extradata;
1542 codec->extradata_size= icodec->extradata_size;
1543 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1544 codec->time_base = icodec->time_base;
1545 else
1546 codec->time_base = ist->st->time_base;
1547 switch(codec->codec_type) {
1548 case CODEC_TYPE_AUDIO:
1549 codec->sample_rate = icodec->sample_rate;
1550 codec->channels = icodec->channels;
1551 codec->frame_size = icodec->frame_size;
1552 codec->block_align= icodec->block_align;
1553 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1554 codec->block_align= 0;
1555 break;
1556 case CODEC_TYPE_VIDEO:
1557 if(using_vhook) {
1558 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1559 exit(1);
1560 }
1561 codec->pix_fmt = icodec->pix_fmt;
1562 codec->width = icodec->width;
1563 codec->height = icodec->height;
1564 codec->has_b_frames = icodec->has_b_frames;
1565 break;
1566 case CODEC_TYPE_SUBTITLE:
1567 break;
1568 default:
1569 abort();
1570 }
1571 } else {
1572 switch(codec->codec_type) {
1573 case CODEC_TYPE_AUDIO:
1574 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1575 goto fail;
1576
1577 if (codec->channels == icodec->channels &&
1578 codec->sample_rate == icodec->sample_rate) {
1579 ost->audio_resample = 0;
1580 } else {
1581 if (codec->channels != icodec->channels &&
1582 (icodec->codec_id == CODEC_ID_AC3 ||
1583 icodec->codec_id == CODEC_ID_DTS)) {
1584 /* Special case for 5:1 AC3 and DTS input */
1585 /* and mono or stereo output */
1586 /* Request specific number of channels */
1587 icodec->channels = codec->channels;
1588 if (codec->sample_rate == icodec->sample_rate)
1589 ost->audio_resample = 0;
1590 else {
1591 ost->audio_resample = 1;
1592 }
1593 } else {
1594 ost->audio_resample = 1;
1595 }
1596 }
1597 if(audio_sync_method>1)
1598 ost->audio_resample = 1;
1599
1600 if(ost->audio_resample){
1601 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1602 codec->sample_rate, icodec->sample_rate);
1603 if(!ost->resample){
1604 printf("Can't resample. Aborting.\n");
1605 abort();
1606 }
1607 }
1608 ist->decoding_needed = 1;
1609 ost->encoding_needed = 1;
1610 break;
1611 case CODEC_TYPE_VIDEO:
1612 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1613 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1614 ost->video_resample = ((codec->width != icodec->width -
1615 (frame_leftBand + frame_rightBand) +
1616 (frame_padleft + frame_padright)) ||
1617 (codec->height != icodec->height -
1618 (frame_topBand + frame_bottomBand) +
1619 (frame_padtop + frame_padbottom)) ||
1620 (codec->pix_fmt != icodec->pix_fmt));
1621 if (ost->video_crop) {
1622 ost->topBand = frame_topBand;
1623 ost->leftBand = frame_leftBand;
1624 }
1625 if (ost->video_pad) {
1626 ost->padtop = frame_padtop;
1627 ost->padleft = frame_padleft;
1628 ost->padbottom = frame_padbottom;
1629 ost->padright = frame_padright;
1630 if (!ost->video_resample) {
1631 avcodec_get_frame_defaults(&ost->pict_tmp);
1632 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1633 codec->width, codec->height ) )
1634 goto fail;
1635 }
1636 }
1637 if (ost->video_resample) {
1638 avcodec_get_frame_defaults(&ost->pict_tmp);
1639 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1640 codec->width, codec->height ) ) {
1641 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1642 exit(1);
1643 }
1644 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1645 ost->img_resample_ctx = sws_getContext(
1646 icodec->width - (frame_leftBand + frame_rightBand),
1647 icodec->height - (frame_topBand + frame_bottomBand),
1648 icodec->pix_fmt,
1649 codec->width - (frame_padleft + frame_padright),
1650 codec->height - (frame_padtop + frame_padbottom),
1651 codec->pix_fmt,
1652 sws_flags, NULL, NULL, NULL);
1653 if (ost->img_resample_ctx == NULL) {
1654 fprintf(stderr, "Cannot get resampling context\n");
1655 exit(1);
1656 }
1657 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1658 }
1659 ost->encoding_needed = 1;
1660 ist->decoding_needed = 1;
1661 break;
1662 case CODEC_TYPE_SUBTITLE:
1663 ost->encoding_needed = 1;
1664 ist->decoding_needed = 1;
1665 break;
1666 default:
1667 abort();
1668 break;
1669 }
1670 /* two pass mode */
1671 if (ost->encoding_needed &&
1672 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1673 char logfilename[1024];
1674 FILE *f;
1675 int size;
1676 char *logbuffer;
1677
1678 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1679 pass_logfilename ?
1680 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1681 if (codec->flags & CODEC_FLAG_PASS1) {
1682 f = fopen(logfilename, "w");
1683 if (!f) {
1684 perror(logfilename);
1685 exit(1);
1686 }
1687 ost->logfile = f;
1688 } else {
1689 /* read the log file */
1690 f = fopen(logfilename, "r");
1691 if (!f) {
1692 perror(logfilename);
1693 exit(1);
1694 }
1695 fseek(f, 0, SEEK_END);
1696 size = ftell(f);
1697 fseek(f, 0, SEEK_SET);
1698 logbuffer = av_malloc(size + 1);
1699 if (!logbuffer) {
1700 fprintf(stderr, "Could not allocate log buffer\n");
1701 exit(1);
1702 }
1703 size = fread(logbuffer, 1, size, f);
1704 fclose(f);
1705 logbuffer[size] = '\0';
1706 codec->stats_in = logbuffer;
1707 }
1708 }
1709 }
1710 if(codec->codec_type == CODEC_TYPE_VIDEO){
1711 int size= codec->width * codec->height;
1712 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1713 }
1714 }
1715
1716 if (!bit_buffer)
1717 bit_buffer = av_malloc(bit_buffer_size);
1718 if (!bit_buffer)
1719 goto fail;
1720
1721 /* dump the file output parameters - cannot be done before in case
1722 of stream copy */
1723 for(i=0;i<nb_output_files;i++) {
1724 dump_format(output_files[i], i, output_files[i]->filename, 1);
1725 }
1726
1727 /* dump the stream mapping */
1728 if (verbose >= 0) {
1729 fprintf(stderr, "Stream mapping:\n");
1730 for(i=0;i<nb_ostreams;i++) {
1731 ost = ost_table[i];
1732 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1733 ist_table[ost->source_index]->file_index,
1734 ist_table[ost->source_index]->index,
1735 ost->file_index,
1736 ost->index);
1737 if (ost->sync_ist != ist_table[ost->source_index])
1738 fprintf(stderr, " [sync #%d.%d]",
1739 ost->sync_ist->file_index,
1740 ost->sync_ist->index);
1741 fprintf(stderr, "\n");
1742 }
1743 }
1744
1745 /* open each encoder */
1746 for(i=0;i<nb_ostreams;i++) {
1747 ost = ost_table[i];
1748 if (ost->encoding_needed) {
1749 AVCodec *codec;
1750 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1751 if (!codec) {
1752 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1753 ost->file_index, ost->index);
1754 exit(1);
1755 }
1756 if (avcodec_open(ost->st->codec, codec) < 0) {
1757 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1758 ost->file_index, ost->index);
1759 exit(1);
1760 }
1761 extra_size += ost->st->codec->extradata_size;
1762 }
1763 }
1764
1765 /* open each decoder */
1766 for(i=0;i<nb_istreams;i++) {
1767 ist = ist_table[i];
1768 if (ist->decoding_needed) {
1769 AVCodec *codec;
1770 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1771 if (!codec) {
1772 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1773 ist->st->codec->codec_id, ist->file_index, ist->index);
1774 exit(1);
1775 }
1776 if (avcodec_open(ist->st->codec, codec) < 0) {
1777 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1778 ist->file_index, ist->index);
1779 exit(1);
1780 }
1781 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1782 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1783 }
1784 }
1785
1786 /* init pts */
1787 for(i=0;i<nb_istreams;i++) {
1788 ist = ist_table[i];
1789 is = input_files[ist->file_index];
1790 ist->pts = 0;
1791 ist->next_pts=0;
1792 if( input_files_ts_offset[ist->file_index] != -is->start_time
1793 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1794 ist->next_pts= AV_NOPTS_VALUE;
1795 ist->is_start = 1;
1796 }
1797
1798 /* set meta data information from input file if required */
1799 for (i=0;i<nb_meta_data_maps;i++) {
1800 AVFormatContext *out_file;
1801 AVFormatContext *in_file;
1802
1803 int out_file_index = meta_data_maps[i].out_file;
1804 int in_file_index = meta_data_maps[i].in_file;
1805 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1806 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1807 ret = AVERROR(EINVAL);
1808 goto fail;
1809 }
1810 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1811 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1812 ret = AVERROR(EINVAL);
1813 goto fail;
1814 }
1815
1816 out_file = output_files[out_file_index];
1817 in_file = input_files[in_file_index];
1818
1819 strcpy(out_file->title, in_file->title);
1820 strcpy(out_file->author, in_file->author);
1821 strcpy(out_file->copyright, in_file->copyright);
1822 strcpy(out_file->comment, in_file->comment);
1823 strcpy(out_file->album, in_file->album);
1824 out_file->year = in_file->year;
1825 out_file->track = in_file->track;
1826 strcpy(out_file->genre, in_file->genre);
1827 }
1828
1829 /* open files and write file headers */
1830 for(i=0;i<nb_output_files;i++) {
1831 os = output_files[i];
1832 if (av_write_header(os) < 0) {
1833 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1834 ret = AVERROR(EINVAL);
1835 goto fail;
1836 }
1837 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1838 want_sdp = 0;
1839 }
1840 }
1841 if (want_sdp) {
1842 print_sdp(output_files, nb_output_files);
1843 }
1844
1845 if ( !using_stdin && verbose >= 0) {
1846 fprintf(stderr, "Press [q] to stop encoding\n");
1847 url_set_interrupt_cb(decode_interrupt_cb);
1848 }
1849 term_init();
1850
1851 key = -1;
1852 timer_start = av_gettime();
1853
1854 for(; received_sigterm == 0;) {
1855 int file_index, ist_index;
1856 AVPacket pkt;
1857 double ipts_min;
1858 double opts_min;
1859
1860 redo:
1861 ipts_min= 1e100;
1862 opts_min= 1e100;
1863 /* if 'q' pressed, exits */
1864 if (!using_stdin) {
1865 if (q_pressed)
1866 break;
1867 /* read_key() returns 0 on EOF */
1868 key = read_key();
1869 if (key == 'q')
1870 break;
1871 }
1872
1873 /* select the stream that we must read now by looking at the
1874 smallest output pts */
1875 file_index = -1;
1876 for(i=0;i<nb_ostreams;i++) {
1877 double ipts, opts;
1878 ost = ost_table[i];
1879 os = output_files[ost->file_index];
1880 ist = ist_table[ost->source_index];
1881 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1882 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1883 else
1884 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1885 ipts = (double)ist->pts;
1886 if (!file_table[ist->file_index].eof_reached){
1887 if(ipts < ipts_min) {
1888 ipts_min = ipts;
1889 if(input_sync ) file_index = ist->file_index;
1890 }
1891 if(opts < opts_min) {
1892 opts_min = opts;
1893 if(!input_sync) file_index = ist->file_index;
1894 }
1895 }
1896 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1897 file_index= -1;
1898 break;
1899 }
1900 }
1901 /* if none, if is finished */
1902 if (file_index < 0) {
1903 break;
1904 }
1905
1906 /* finish if recording time exhausted */
1907 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1908 break;
1909
1910 /* finish if limit size exhausted */
1911 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1912 break;
1913
1914 /* read a frame from it and output it in the fifo */
1915 is = input_files[file_index];
1916 if (av_read_frame(is, &pkt) < 0) {
1917 file_table[file_index].eof_reached = 1;
1918 if (opt_shortest)
1919 break;
1920 else
1921 continue;
1922 }
1923
1924 if (do_pkt_dump) {
1925 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1926 }
1927 /* the following test is needed in case new streams appear
1928 dynamically in stream : we ignore them */
1929 if (pkt.stream_index >= file_table[file_index].nb_streams)
1930 goto discard_packet;
1931 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1932 ist = ist_table[ist_index];
1933 if (ist->discard)
1934 goto discard_packet;
1935
1936 if (pkt.dts != AV_NOPTS_VALUE)
1937 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1938 if (pkt.pts != AV_NOPTS_VALUE)
1939 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1940
1941 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
1942 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1943 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1944 int64_t delta= pkt_dts - ist->next_pts;
1945 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1946 input_files_ts_offset[ist->file_index]-= delta;
1947 if (verbose > 2)
1948 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1949 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1950 if(pkt.pts != AV_NOPTS_VALUE)
1951 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1952 }
1953 }
1954
1955 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1956 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1957
1958 if (verbose >= 0)
1959 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1960 ist->file_index, ist->index);
1961
1962 av_free_packet(&pkt);
1963 goto redo;
1964 }
1965
1966 discard_packet:
1967 av_free_packet(&pkt);
1968
1969 /* dump report by using the output first video and audio streams */
1970 print_report(output_files, ost_table, nb_ostreams, 0);
1971 }
1972
1973 /* at the end of stream, we must flush the decoder buffers */
1974 for(i=0;i<nb_istreams;i++) {
1975 ist = ist_table[i];
1976 if (ist->decoding_needed) {
1977 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1978 }
1979 }
1980
1981 term_exit();
1982
1983 /* write the trailer if needed and close file */
1984 for(i=0;i<nb_output_files;i++) {
1985 os = output_files[i];
1986 av_write_trailer(os);
1987 }
1988
1989 /* dump report by using the first video and audio streams */
1990 print_report(output_files, ost_table, nb_ostreams, 1);
1991
1992 /* close each encoder */
1993 for(i=0;i<nb_ostreams;i++) {
1994 ost = ost_table[i];
1995 if (ost->encoding_needed) {
1996 av_freep(&ost->st->codec->stats_in);
1997 avcodec_close(ost->st->codec);
1998 }
1999 }
2000
2001 /* close each decoder */
2002 for(i=0;i<nb_istreams;i++) {
2003 ist = ist_table[i];
2004 if (ist->decoding_needed) {
2005 avcodec_close(ist->st->codec);
2006 }
2007 }
2008
2009 /* finished ! */
2010
2011 ret = 0;
2012 fail1:
2013 av_freep(&bit_buffer);
2014 av_free(file_table);
2015
2016 if (ist_table) {
2017 for(i=0;i<nb_istreams;i++) {
2018 ist = ist_table[i];
2019 av_free(ist);
2020 }
2021 av_free(ist_table);
2022 }
2023 if (ost_table) {
2024 for(i=0;i<nb_ostreams;i++) {
2025 ost = ost_table[i];
2026 if (ost) {
2027 if (ost->logfile) {
2028 fclose(ost->logfile);
2029 ost->logfile = NULL;
2030 }
2031 av_fifo_free(&ost->fifo); /* works even if fifo is not
2032 initialized but set to zero */
2033 av_free(ost->pict_tmp.data[0]);
2034 if (ost->video_resample)
2035 sws_freeContext(ost->img_resample_ctx);
2036 if (ost->audio_resample)
2037 audio_resample_close(ost->resample);
2038 av_free(ost);
2039 }
2040 }
2041 av_free(ost_table);
2042 }
2043 return ret;
2044 fail:
2045 ret = AVERROR(ENOMEM);
2046 goto fail1;
2047 }
2048
2049 #if 0
2050 int file_read(const char *filename)
2051 {
2052 URLContext *h;
2053 unsigned char buffer[1024];
2054 int len, i;
2055
2056 if (url_open(&h, filename, O_RDONLY) < 0) {
2057 printf("could not open '%s'\n", filename);
2058 return -1;
2059 }
2060 for(;;) {
2061 len = url_read(h, buffer, sizeof(buffer));
2062 if (len <= 0)
2063 break;
2064 for(i=0;i<len;i++) putchar(buffer[i]);
2065 }
2066 url_close(h);
2067 return 0;
2068 }
2069 #endif
2070
2071 static void opt_format(const char *arg)
2072 {
2073 /* compatibility stuff for pgmyuv */
2074 if (!strcmp(arg, "pgmyuv")) {
2075 pgmyuv_compatibility_hack=1;
2076 // opt_image_format(arg);
2077 arg = "image2";
2078 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2079 }
2080
2081 file_iformat = av_find_input_format(arg);
2082 file_oformat = guess_format(arg, NULL, NULL);
2083 if (!file_iformat && !file_oformat) {
2084 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2085 exit(1);
2086 }
2087 }
2088
2089 static void opt_video_rc_eq(char *arg)
2090 {
2091 video_rc_eq = arg;
2092 }
2093
2094 static void opt_video_rc_override_string(char *arg)
2095 {
2096 video_rc_override_string = arg;
2097 }
2098
2099 static void opt_me_threshold(const char *arg)
2100 {
2101 me_threshold = atoi(arg);
2102 }
2103
2104 static void opt_verbose(const char *arg)
2105 {
2106 verbose = atoi(arg);
2107 av_log_level = atoi(arg);
2108 }
2109
2110 static void opt_frame_rate(const char *arg)
2111 {
2112 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2113 fprintf(stderr, "Incorrect frame rate\n");
2114 exit(1);
2115 }
2116 }
2117
2118 static void opt_frame_crop_top(const char *arg)
2119 {
2120 frame_topBand = atoi(arg);
2121 if (frame_topBand < 0) {
2122 fprintf(stderr, "Incorrect top crop size\n");
2123 exit(1);
2124 }
2125 if ((frame_topBand % 2) != 0) {
2126 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2127 exit(1);
2128 }
2129 if ((frame_topBand) >= frame_height){
2130 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2131 exit(1);
2132 }
2133 frame_height -= frame_topBand;
2134 }
2135
2136 static void opt_frame_crop_bottom(const char *arg)
2137 {
2138 frame_bottomBand = atoi(arg);
2139 if (frame_bottomBand < 0) {
2140 fprintf(stderr, "Incorrect bottom crop size\n");
2141 exit(1);
2142 }
2143 if ((frame_bottomBand % 2) != 0) {
2144 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2145 exit(1);
2146 }
2147 if ((frame_bottomBand) >= frame_height){
2148 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2149 exit(1);
2150 }
2151 frame_height -= frame_bottomBand;
2152 }
2153
2154 static void opt_frame_crop_left(const char *arg)
2155 {
2156 frame_leftBand = atoi(arg);
2157 if (frame_leftBand < 0) {
2158 fprintf(stderr, "Incorrect left crop size\n");
2159 exit(1);
2160 }
2161 if ((frame_leftBand % 2) != 0) {
2162 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2163 exit(1);
2164 }
2165 if ((frame_leftBand) >= frame_width){
2166 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2167 exit(1);
2168 }
2169 frame_width -= frame_leftBand;
2170 }
2171
2172 static void opt_frame_crop_right(const char *arg)
2173 {
2174 frame_rightBand = atoi(arg);
2175 if (frame_rightBand < 0) {
2176 fprintf(stderr, "Incorrect right crop size\n");
2177 exit(1);
2178 }
2179 if ((frame_rightBand % 2) != 0) {
2180 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2181 exit(1);
2182 }
2183 if ((frame_rightBand) >= frame_width){
2184 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2185 exit(1);
2186 }
2187 frame_width -= frame_rightBand;
2188 }
2189
2190 static void opt_frame_size(const char *arg)
2191 {
2192 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2193 fprintf(stderr, "Incorrect frame size\n");
2194 exit(1);
2195 }
2196 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2197 fprintf(stderr, "Frame size must be a multiple of 2\n");
2198 exit(1);
2199 }
2200 }
2201
2202
2203 #define SCALEBITS 10
2204 #define ONE_HALF (1 << (SCALEBITS - 1))
2205 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2206
2207 #define RGB_TO_Y(r, g, b) \
2208 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2209 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2210
2211 #define RGB_TO_U(r1, g1, b1, shift)\
2212 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2213 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2214
2215 #define RGB_TO_V(r1, g1, b1, shift)\
2216 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2217 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2218
2219 static void opt_pad_color(const char *arg) {
2220 /* Input is expected to be six hex digits similar to
2221 how colors are expressed in html tags (but without the #) */
2222 int rgb = strtol(arg, NULL, 16);
2223 int r,g,b;
2224
2225 r = (rgb >> 16);
2226 g = ((rgb >> 8) & 255);
2227 b = (rgb & 255);
2228
2229 padcolor[0] = RGB_TO_Y(r,g,b);
2230 padcolor[1] = RGB_TO_U(r,g,b,0);
2231 padcolor[2] = RGB_TO_V(r,g,b,0);
2232 }
2233
2234 static void opt_frame_pad_top(const char *arg)
2235 {
2236 frame_padtop = atoi(arg);
2237 if (frame_padtop < 0) {
2238 fprintf(stderr, "Incorrect top pad size\n");
2239 exit(1);
2240 }
2241 if ((frame_padtop % 2) != 0) {
2242 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2243 exit(1);
2244 }
2245 }
2246
2247 static void opt_frame_pad_bottom(const char *arg)
2248 {
2249 frame_padbottom = atoi(arg);
2250 if (frame_padbottom < 0) {
2251 fprintf(stderr, "Incorrect bottom pad size\n");
2252 exit(1);
2253 }
2254 if ((frame_padbottom % 2) != 0) {
2255 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2256 exit(1);
2257 }
2258 }
2259
2260
2261 static void opt_frame_pad_left(const char *arg)
2262 {
2263 frame_padleft = atoi(arg);
2264 if (frame_padleft < 0) {
2265 fprintf(stderr, "Incorrect left pad size\n");
2266 exit(1);
2267 }
2268 if ((frame_padleft % 2) != 0) {
2269 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2270 exit(1);
2271 }
2272 }
2273
2274
2275 static void opt_frame_pad_right(const char *arg)
2276 {
2277 frame_padright = atoi(arg);
2278 if (frame_padright < 0) {
2279 fprintf(stderr, "Incorrect right pad size\n");
2280 exit(1);
2281 }
2282 if ((frame_padright % 2) != 0) {
2283 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2284 exit(1);
2285 }
2286 }
2287
2288 void list_pix_fmts(void)
2289 {
2290 int i;
2291 char pix_fmt_str[128];
2292 for (i=-1; i < PIX_FMT_NB; i++) {
2293 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2294 fprintf(stdout, "%s\n", pix_fmt_str);
2295 }
2296 }
2297
2298 static void opt_frame_pix_fmt(const char *arg)
2299 {
2300 if (strcmp(arg, "list"))
2301 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2302 else {
2303 list_pix_fmts();
2304 exit(0);
2305 }
2306 }
2307
2308 static void opt_frame_aspect_ratio(const char *arg)
2309 {
2310 int x = 0, y = 0;
2311 double ar = 0;
2312 const char *p;
2313
2314 p = strchr(arg, ':');
2315 if (p) {
2316 x = strtol(arg, (char **)&arg, 10);
2317 if (arg == p)
2318 y = strtol(arg+1, (char **)&arg, 10);
2319 if (x > 0 && y > 0)
2320 ar = (double)x / (double)y;
2321 } else
2322 ar = strtod(arg, (char **)&arg);
2323
2324 if (!ar) {
2325 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2326 exit(1);
2327 }
2328 frame_aspect_ratio = ar;
2329 }
2330
2331 static void opt_qscale(const char *arg)
2332 {
2333 video_qscale = atof(arg);
2334 if (video_qscale <= 0 ||
2335 video_qscale > 255) {
2336 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2337 exit(1);
2338 }
2339 }
2340
2341 static void opt_qdiff(const char *arg)
2342 {
2343 video_qdiff = atoi(arg);
2344 if (video_qdiff < 0 ||
2345 video_qdiff > 31) {
2346 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2347 exit(1);
2348 }
2349 }
2350
2351 static void opt_strict(const char *arg)
2352 {
2353 strict= atoi(arg);
2354 }
2355
2356 static void opt_top_field_first(const char *arg)
2357 {
2358 top_field_first= atoi(arg);
2359 }
2360
2361 static void opt_thread_count(const char *arg)
2362 {
2363 thread_count= atoi(arg);
2364 #if !defined(HAVE_THREADS)
2365 if (verbose >= 0)
2366 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2367 #endif
2368 }
2369
2370 static void opt_audio_rate(const char *arg)
2371 {
2372 audio_sample_rate = atoi(arg);
2373 }
2374
2375 static void opt_audio_channels(const char *arg)
2376 {
2377 audio_channels = atoi(arg);
2378 }
2379
2380 static void opt_video_channel(const char *arg)
2381 {
2382 video_channel = strtol(arg, NULL, 0);
2383 }
2384
2385 static void opt_video_standard(const char *arg)
2386 {
2387 video_standard = av_strdup(arg);
2388 }
2389
2390 static void opt_codec(int *pstream_copy, char **pcodec_name,
2391 int codec_type, const char *arg)
2392 {
2393 av_freep(pcodec_name);
2394 if (!strcmp(arg, "copy")) {
2395 *pstream_copy = 1;
2396 } else {
2397 *pcodec_name = av_strdup(arg);
2398 }
2399 }
2400
2401 static void opt_audio_codec(const char *arg)
2402 {
2403 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2404 }
2405
2406 static void opt_audio_tag(const char *arg)
2407 {
2408 char *tail;
2409 audio_codec_tag= strtol(arg, &tail, 0);
2410
2411 if(!tail || *tail)
2412 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2413 }
2414
2415 static void opt_video_tag(const char *arg)
2416 {
2417 char *tail;
2418 video_codec_tag= strtol(arg, &tail, 0);
2419
2420 if(!tail || *tail)
2421 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2422 }
2423
2424 #ifdef CONFIG_VHOOK
2425 static void add_frame_hooker(const char *arg)
2426 {
2427 int argc = 0;
2428 char *argv[64];
2429 int i;
2430 char *args = av_strdup(arg);
2431
2432 using_vhook = 1;
2433
2434 argv[0] = strtok(args, " ");
2435 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2436 }
2437
2438 i = frame_hook_add(argc, argv);
2439
2440 if (i != 0) {
2441 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2442 exit(1);
2443 }
2444 }
2445 #endif
2446
2447 static void opt_video_codec(const char *arg)
2448 {
2449 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2450 }
2451
2452 static void opt_subtitle_codec(const char *arg)
2453 {
2454 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2455 }
2456
2457 static void opt_map(const char *arg)
2458 {
2459 AVStreamMap *m;
2460 const char *p;
2461
2462 p = arg;
2463 m = &stream_maps[nb_stream_maps++];
2464
2465 m->file_index = strtol(arg, (char **)&p, 0);
2466 if (*p)
2467 p++;
2468
2469 m->stream_index = strtol(p, (char **)&p, 0);
2470 if (*p) {
2471 p++;
2472 m->sync_file_index = strtol(p, (char **)&p, 0);
2473 if (*p)
2474 p++;
2475 m->sync_stream_index = strtol(p, (char **)&p, 0);
2476 } else {
2477 m->sync_file_index = m->file_index;
2478 m->sync_stream_index = m->stream_index;
2479 }
2480 }
2481
2482 static void opt_map_meta_data(const char *arg)
2483 {
2484 AVMetaDataMap *m;
2485 const char *p;
2486
2487 p = arg;
2488 m = &meta_data_maps[nb_meta_data_maps++];
2489
2490 m->out_file = strtol(arg, (char **)&p, 0);
2491 if (*p)
2492 p++;
2493
2494 m->in_file = strtol(p, (char **)&p, 0);
2495 }
2496
2497 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2498 {
2499 int64_t us = parse_date(timestr, is_duration);
2500 if (us == INT64_MIN) {
2501 fprintf(stderr, "Invalid %s specification: %s\n",
2502 is_duration ? "duration" : "date", timestr);
2503 exit(1);
2504 }
2505 return us;
2506 }
2507
2508 static void opt_recording_time(const char *arg)
2509 {
2510 recording_time = parse_time_or_die(arg, 1);
2511 }
2512
2513 static void opt_start_time(const char *arg)
2514 {
2515 start_time = parse_time_or_die(arg, 1);
2516 }
2517
2518 static void opt_rec_timestamp(const char *arg)
2519 {
2520 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2521 }
2522
2523 static void opt_input_ts_offset(const char *arg)
2524 {
2525 input_ts_offset = parse_time_or_die(arg, 1);
2526 }
2527
2528 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2529 {
2530 char *codec_string = encoder ? "encoder" : "decoder";
2531 AVCodec *codec;
2532
2533 if(!name)
2534 return CODEC_ID_NONE;
2535 codec = encoder ?
2536 avcodec_find_encoder_by_name(name) :
2537 avcodec_find_decoder_by_name(name);
2538 if(!codec) {
2539 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2540 exit(1);
2541 }
2542 if(codec->type != type) {
2543 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2544 exit(1);
2545 }
2546 return codec->id;
2547 }
2548
2549 static void opt_input_file(const char *filename)
2550 {
2551 AVFormatContext *ic;
2552 AVFormatParameters params, *ap = &params;
2553 int err, i, ret, rfps, rfps_base;
2554 int64_t timestamp;
2555
2556 if (!strcmp(filename, "-"))
2557 filename = "pipe:";
2558
2559 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2560 !strcmp( filename, "/dev/stdin" );
2561
2562 /* get default parameters from command line */
2563 ic = av_alloc_format_context();
2564
2565 memset(ap, 0, sizeof(*ap));
2566 ap->prealloced_context = 1;
2567 ap->sample_rate = audio_sample_rate;
2568 ap->channels = audio_channels;
2569 ap->time_base.den = frame_rate.num;
2570 ap->time_base.num = frame_rate.den;
2571 ap->width = frame_width + frame_padleft + frame_padright;
2572 ap->height = frame_height + frame_padtop + frame_padbottom;
2573 ap->pix_fmt = frame_pix_fmt;
2574 ap->channel = video_channel;
2575 ap->standard = video_standard;
2576 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2577 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2578 if(pgmyuv_compatibility_hack)
2579 ap->video_codec_id= CODEC_ID_PGMYUV;
2580
2581 for(i=0; i<opt_name_count; i++){
2582 const AVOption *opt;
2583 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2584 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2585 av_set_double(ic, opt_names[i], d);
2586 }
2587 /* open the input file with generic libav function */
2588 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2589 if (err < 0) {
2590 print_error(filename, err);
2591 exit(1);
2592 }
2593
2594 ic->loop_input = loop_input;
2595
2596 /* If not enough info to get the stream parameters, we decode the
2597 first frames to get it. (used in mpeg case for example) */
2598 ret = av_find_stream_info(ic);
2599 if (ret < 0 && verbose >= 0) {
2600 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2601 exit(1);
2602 }
2603
2604 timestamp = start_time;
2605 /* add the stream start time */
2606 if (ic->start_time != AV_NOPTS_VALUE)
2607 timestamp += ic->start_time;
2608
2609 /* if seeking requested, we execute it */
2610 if (start_time != 0) {
2611 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2612 if (ret < 0) {
2613 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2614 filename, (double)timestamp / AV_TIME_BASE);
2615 }
2616 /* reset seek info */
2617 start_time = 0;
2618 }
2619
2620 /* update the current parameters so that they match the one of the input stream */
2621 for(i=0;i<ic->nb_streams;i++) {
2622 int j;
2623 AVCodecContext *enc = ic->streams[i]->codec;
2624 if(thread_count>1)
2625 avcodec_thread_init(enc, thread_count);
2626 enc->thread_count= thread_count;
2627 switch(enc->codec_type) {
2628 case CODEC_TYPE_AUDIO:
2629 for(j=0; j<opt_name_count; j++){
2630 const AVOption *opt;
2631 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2632 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2633 av_set_double(enc, opt_names[j], d);
2634 }
2635 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2636 audio_channels = enc->channels;
2637 audio_sample_rate = enc->sample_rate;
2638 if(audio_disable)
2639 ic->streams[i]->discard= AVDISCARD_ALL;
2640 break;
2641 case CODEC_TYPE_VIDEO:
2642 for(j=0; j<opt_name_count; j++){
2643 const AVOption *opt;
2644 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2645 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2646 av_set_double(enc, opt_names[j], d);
2647 }
2648 frame_height = enc->height;
2649 frame_width = enc->width;
2650 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2651 frame_pix_fmt = enc->pix_fmt;
2652 rfps = ic->streams[i]->r_frame_rate.num;
2653 rfps_base = ic->streams[i]->r_frame_rate.den;
2654 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2655 if(me_threshold)
2656 enc->debug |= FF_DEBUG_MV;
2657
2658 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2659
2660 if (verbose >= 0)
2661 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2662 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2663
2664 (float)rfps / rfps_base, rfps, rfps_base);
2665 }
2666 /* update the current frame rate to match the stream frame rate */
2667 frame_rate.num = rfps;
2668 frame_rate.den = rfps_base;
2669
2670 enc->rate_emu = rate_emu;
2671 if(video_disable)
2672 ic->streams[i]->discard= AVDISCARD_ALL;
2673 else if(video_discard)
2674 ic->streams[i]->discard= video_discard;
2675 break;
2676 case CODEC_TYPE_DATA:
2677 break;
2678 case CODEC_TYPE_SUBTITLE:
2679 if(subtitle_disable)
2680 ic->streams[i]->discard = AVDISCARD_ALL;
2681 break;
2682 case CODEC_TYPE_UNKNOWN:
2683 break;
2684 default:
2685 abort();
2686 }
2687 }
2688
2689 input_files[nb_input_files] = ic;
2690 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2691 /* dump the file content */
2692 if (verbose >= 0)
2693 dump_format(ic, nb_input_files, filename, 0);
2694
2695 nb_input_files++;
2696 file_iformat = NULL;
2697 file_oformat = NULL;
2698
2699 video_channel = 0;
2700
2701 rate_emu = 0;
2702 }
2703
2704 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2705 int *has_subtitle_ptr)
2706 {
2707 int has_video, has_audio, has_subtitle, i, j;
2708 AVFormatContext *ic;
2709
2710 has_video = 0;
2711 has_audio = 0;
2712 has_subtitle = 0;
2713 for(j=0;j<nb_input_files;j++) {
2714 ic = input_files[j];
2715 for(i=0;i<ic->nb_streams;i++) {
2716 AVCodecContext *enc = ic->streams[i]->codec;
2717 switch(enc->codec_type) {
2718 case CODEC_TYPE_AUDIO:
2719 has_audio = 1;
2720 break;
2721 case CODEC_TYPE_VIDEO:
2722 has_video = 1;
2723 break;
2724 case CODEC_TYPE_SUBTITLE:
2725 has_subtitle = 1;
2726 break;
2727 case CODEC_TYPE_DATA:
2728 case CODEC_TYPE_UNKNOWN:
2729 break;
2730 default:
2731 abort();
2732 }
2733 }
2734 }
2735 *has_video_ptr = has_video;
2736 *has_audio_ptr = has_audio;
2737 *has_subtitle_ptr = has_subtitle;
2738 }
2739
2740 static void new_video_stream(AVFormatContext *oc)
2741 {
2742 AVStream *st;
2743 AVCodecContext *video_enc;
2744 int codec_id;
2745
2746 st = av_new_stream(oc, oc->nb_streams);
2747 if (!st) {
2748 fprintf(stderr, "Could not alloc stream\n");
2749 exit(1);
2750 }
2751 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2752 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2753 video_bitstream_filters= NULL;
2754
2755 if(thread_count>1)
2756 avcodec_thread_init(st->codec, thread_count);
2757
2758 video_enc = st->codec;
2759
2760 if(video_codec_tag)
2761 video_enc->codec_tag= video_codec_tag;
2762
2763 if( (video_global_header&1)
2764 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2765 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2766 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2767 }
2768 if(video_global_header&2){
2769 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2770 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2771 }
2772
2773 if (video_stream_copy) {
2774 st->stream_copy = 1;
2775 video_enc->codec_type = CODEC_TYPE_VIDEO;
2776 } else {
2777 char *p;
2778 int i;
2779 AVCodec *codec;
2780
2781 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2782 if (video_codec_name)
2783 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2784
2785 video_enc->codec_id = codec_id;
2786 codec = avcodec_find_encoder(codec_id);
2787
2788 for(i=0; i<opt_name_count; i++){
2789 const AVOption *opt;
2790 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2791 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2792 av_set_double(video_enc, opt_names[i], d);
2793 }
2794
2795 video_enc->time_base.den = frame_rate.num;
2796 video_enc->time_base.num = frame_rate.den;
2797 if(codec && codec->supported_framerates){
2798 const AVRational *p= codec->supported_framerates;
2799 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2800 const AVRational *best=NULL;
2801 AVRational best_error= (AVRational){INT_MAX, 1};
2802 for(; p->den!=0; p++){
2803 AVRational error= av_sub_q(req, *p);
2804 if(error.num <0) error.num *= -1;
2805 if(av_cmp_q(error, best_error) < 0){
2806 best_error= error;
2807 best= p;
2808 }
2809 }
2810 video_enc->time_base.den= best->num;
2811 video_enc->time_base.num= best->den;
2812 }
2813
2814 video_enc->width = frame_width + frame_padright + frame_padleft;
2815 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2816 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2817 video_enc->pix_fmt = frame_pix_fmt;
2818
2819 if(codec && codec->pix_fmts){
2820 const enum PixelFormat *p= codec->pix_fmts;
2821 for(; *p!=-1; p++){
2822 if(*p == video_enc->pix_fmt)
2823 break;
2824 }
2825 if(*p == -1)
2826 video_enc->pix_fmt = codec->pix_fmts[0];
2827 }
2828
2829 if (intra_only)
2830 video_enc->gop_size = 0;
2831 if (video_qscale || same_quality) {
2832 video_enc->flags |= CODEC_FLAG_QSCALE;
2833 video_enc->global_quality=
2834 st->quality = FF_QP2LAMBDA * video_qscale;
2835 }
2836
2837 if(intra_matrix)
2838 video_enc->intra_matrix = intra_matrix;
2839 if(inter_matrix)
2840 video_enc->inter_matrix = inter_matrix;
2841
2842 video_enc->max_qdiff = video_qdiff;
2843 video_enc->rc_eq = video_rc_eq;
2844 video_enc->thread_count = thread_count;
2845 p= video_rc_override_string;
2846 for(i=0; p; i++){
2847 int start, end, q;
2848 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2849 if(e!=3){
2850 fprintf(stderr, "error parsing rc_override\n");
2851 exit(1);
2852 }
2853 video_enc->rc_override=
2854 av_realloc(video_enc->rc_override,
2855 sizeof(RcOverride)*(i+1));
2856 video_enc->rc_override[i].start_frame= start;
2857 video_enc->rc_override[i].end_frame = end;
2858 if(q>0){
2859 video_enc->rc_override[i].qscale= q;
2860 video_enc->rc_override[i].quality_factor= 1.0;
2861 }
2862 else{
2863 video_enc->rc_override[i].qscale= 0;
2864 video_enc->rc_override[i].quality_factor= -q/100.0;
2865 }
2866 p= strchr(p, '/');
2867 if(p) p++;
2868 }
2869 video_enc->rc_override_count=i;
2870 if (!video_enc->rc_initial_buffer_occupancy)
2871 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2872 video_enc->me_threshold= me_threshold;
2873 video_enc->intra_dc_precision= intra_dc_precision - 8;
2874 video_enc->strict_std_compliance = strict;
2875
2876 if (do_psnr)
2877 video_enc->flags|= CODEC_FLAG_PSNR;
2878
2879 /* two pass mode */
2880 if (do_pass) {
2881 if (do_pass == 1) {
2882 video_enc->flags |= CODEC_FLAG_PASS1;
2883 } else {
2884 video_enc->flags |= CODEC_FLAG_PASS2;
2885 }
2886 }
2887 }
2888
2889 /* reset some key parameters */
2890 video_disable = 0;
2891 av_freep(&video_codec_name);
2892 video_stream_copy = 0;
2893 }
2894
2895 static void new_audio_stream(AVFormatContext *oc)
2896 {
2897 AVStream *st;
2898 AVCodecContext *audio_enc;
2899 int codec_id, i;
2900
2901 st = av_new_stream(oc, oc->nb_streams);
2902 if (!st) {
2903 fprintf(stderr, "Could not alloc stream\n");
2904 exit(1);
2905 }
2906 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2907
2908 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2909 audio_bitstream_filters= NULL;
2910
2911 if(thread_count>1)
2912 avcodec_thread_init(st->codec, thread_count);
2913
2914 audio_enc = st->codec;
2915 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2916 audio_enc->strict_std_compliance = strict;
2917
2918 if(audio_codec_tag)
2919 audio_enc->codec_tag= audio_codec_tag;
2920
2921 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2922 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2923 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2924 }
2925 if (audio_stream_copy) {
2926 st->stream_copy = 1;
2927 audio_enc->channels = audio_channels;
2928 } else {
2929 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2930
2931 for(i=0; i<opt_name_count; i++){
2932 const AVOption *opt;
2933 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2934 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2935 av_set_double(audio_enc, opt_names[i], d);
2936 }
2937
2938 if (audio_codec_name)
2939 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2940 audio_enc->codec_id = codec_id;
2941
2942 if (audio_qscale > QSCALE_NONE) {
2943 audio_enc->flags |= CODEC_FLAG_QSCALE;
2944 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2945 }
2946 audio_enc->thread_count = thread_count;
2947 audio_enc->channels = audio_channels;
2948 }
2949 audio_enc->sample_rate = audio_sample_rate;
2950 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2951 if (audio_language) {
2952 av_strlcpy(st->language, audio_language, sizeof(st->language));
2953 av_free(audio_language);
2954 audio_language = NULL;
2955 }
2956
2957 /* reset some key parameters */
2958 audio_disable = 0;
2959 av_freep(&audio_codec_name);
2960 audio_stream_copy = 0;
2961 }
2962
2963 static void new_subtitle_stream(AVFormatContext *oc)
2964 {
2965 AVStream *st;
2966 AVCodecContext *subtitle_enc;
2967 int i;
2968
2969 st = av_new_stream(oc, oc->nb_streams);
2970 if (!st) {
2971 fprintf(stderr, "Could not alloc stream\n");
2972 exit(1);
2973 }
2974 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2975
2976 subtitle_enc = st->codec;
2977 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2978 if (subtitle_stream_copy) {
2979 st->stream_copy = 1;
2980 } else {
2981 for(i=0; i<opt_name_count; i++){
2982 const AVOption *opt;
2983 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2984 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2985 av_set_double(subtitle_enc, opt_names[i], d);
2986 }
2987 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2988 }
2989
2990 if (subtitle_language) {
2991 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2992 av_free(subtitle_language);
2993 subtitle_language = NULL;
2994 }
2995
2996 subtitle_disable = 0;
2997 av_freep(&subtitle_codec_name);
2998 subtitle_stream_copy = 0;
2999 }
3000
3001 static void opt_new_audio_stream(void)
3002 {
3003 AVFormatContext *oc;
3004 if (nb_output_files <= 0) {
3005 fprintf(stderr, "At least one output file must be specified\n");
3006 exit(1);
3007 }
3008 oc = output_files[nb_output_files - 1];
3009 new_audio_stream(oc);
3010 }
3011
3012 static void opt_new_video_stream(void)
3013 {
3014 AVFormatContext *oc;
3015 if (nb_output_files <= 0) {
3016 fprintf(stderr, "At least one output file must be specified\n");
3017 exit(1);
3018 }
3019 oc = output_files[nb_output_files - 1];
3020 new_video_stream(oc);
3021 }
3022
3023 static void opt_new_subtitle_stream(void)
3024 {
3025 AVFormatContext *oc;
3026 if (nb_output_files <= 0) {
3027 fprintf(stderr, "At least one output file must be specified\n");
3028 exit(1);
3029 }
3030 oc = output_files[nb_output_files - 1];
3031 new_subtitle_stream(oc);
3032 }
3033
3034 static void opt_output_file(const char *filename)
3035 {
3036 AVFormatContext *oc;
3037 int use_video, use_audio, use_subtitle;
3038 int input_has_video, input_has_audio, input_has_subtitle, i;
3039 AVFormatParameters params, *ap = &params;
3040
3041 if (!strcmp(filename, "-"))
3042 filename = "pipe:";
3043
3044 oc = av_alloc_format_context();
3045
3046 if (!file_oformat) {
3047 file_oformat = guess_format(NULL, filename, NULL);
3048 if (!file_oformat) {
3049 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3050 filename);
3051 exit(1);
3052 }
3053 }
3054
3055 oc->oformat = file_oformat;
3056 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3057
3058 if (!strcmp(file_oformat->name, "ffm") &&
3059 av_strstart(filename, "http:", NULL)) {
3060 /* special case for files sent to ffserver: we get the stream
3061 parameters from ffserver */
3062 if (read_ffserver_streams(oc, filename) < 0) {
3063 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3064 exit(1);
3065 }
3066 } else {
3067 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3068 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3069 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3070
3071 /* disable if no corresponding type found and at least one
3072 input file */
3073 if (nb_input_files > 0) {
3074 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3075 &input_has_subtitle);
3076 if (!input_has_video)
3077 use_video = 0;
3078 if (!input_has_audio)
3079 use_audio = 0;
3080 if (!input_has_subtitle)
3081 use_subtitle = 0;
3082 }
3083
3084 /* manual disable */
3085 if (audio_disable) {
3086 use_audio = 0;
3087 }
3088 if (video_disable) {
3089 use_video = 0;
3090 }
3091 if (subtitle_disable) {
3092 use_subtitle = 0;
3093 }
3094
3095 if (use_video) {
3096 new_video_stream(oc);
3097 }
3098
3099 if (use_audio) {
3100 new_audio_stream(oc);
3101 }
3102
3103 if (use_subtitle) {
3104 new_subtitle_stream(oc);
3105 }
3106
3107 oc->timestamp = rec_timestamp;
3108
3109 if (str_title)
3110 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3111 if (str_author)
3112 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3113 if (str_copyright)
3114 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3115 if (str_comment)
3116 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3117 if (str_album)
3118 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3119 }
3120
3121 output_files[nb_output_files++] = oc;
3122
3123 /* check filename in case of an image number is expected */
3124 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3125 if (!av_filename_number_test(oc->filename)) {
3126 print_error(oc->filename, AVERROR_NUMEXPECTED);
3127 exit(1);
3128 }
3129 }
3130
3131 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3132 /* test if it already exists to avoid loosing precious files */
3133 if (!file_overwrite &&
3134 (strchr(filename, ':') == NULL ||
3135 av_strstart(filename, "file:", NULL))) {
3136 if (url_exist(filename)) {
3137 int c;
3138
3139 if ( !using_stdin ) {
3140 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3141 fflush(stderr);
3142 c = getchar();
3143 if (toupper(c) != 'Y') {
3144 fprintf(stderr, "Not overwriting - exiting\n");
3145 exit(1);
3146 }
3147 }
3148 else {
3149 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3150 exit(1);
3151 }
3152 }
3153 }
3154
3155 /* open the file */
3156 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3157 fprintf(stderr, "Could not open '%s'\n", filename);
3158 exit(1);
3159 }
3160 }
3161
3162 memset(ap, 0, sizeof(*ap));
3163 if (av_set_parameters(oc, ap) < 0) {
3164 fprintf(stderr, "%s: Invalid encoding parameters\n",
3165 oc->filename);
3166 exit(1);
3167 }
3168
3169 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3170 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3171 oc->loop_output = loop_output;
3172
3173 for(i=0; i<opt_name_count; i++){
3174 const AVOption *opt;
3175 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3176 if(!isnan(d) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3177 av_set_double(oc, opt_names[i], d);
3178 }
3179
3180 /* reset some options */
3181 file_oformat = NULL;
3182 file_iformat = NULL;
3183 }
3184
3185 /* same option as mencoder */
3186 static void opt_pass(const char *pass_str)
3187 {
3188 int pass;
3189 pass = atoi(pass_str);
3190 if (pass != 1 && pass != 2) {
3191 fprintf(stderr, "pass number can be only 1 or 2\n");
3192 exit(1);
3193 }
3194 do_pass = pass;
3195 }
3196
3197 static int64_t getutime(void)
3198 {
3199 #ifdef HAVE_GETRUSAGE
3200 struct rusage rusage;
3201
3202 getrusage(RUSAGE_SELF, &rusage);
3203 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3204 #elif defined(HAVE_GETPROCESSTIMES)
3205 HANDLE proc;
3206 FILETIME c, e, k, u;
3207 proc = GetCurrentProcess();
3208 GetProcessTimes(proc, &c, &e, &k, &u);
3209 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3210 #else
3211 return av_gettime();
3212 #endif
3213 }
3214
3215 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3216 extern int ffm_nopts;
3217 #endif
3218
3219 static void opt_show_formats(void)
3220 {
3221 AVInputFormat *ifmt;
3222 AVOutputFormat *ofmt;
3223 URLProtocol *up;
3224 AVCodec *p, *p2;
3225 const char *last_name;
3226
3227 printf("File formats:\n");
3228 last_name= "000";
3229 for(;;){
3230 int decode=0;
3231 int encode=0;
3232 const char *name=NULL;
3233 const char *long_name=NULL;
3234
3235 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3236 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3237 strcmp(ofmt->name, last_name)>0){
3238 name= ofmt->name;
3239 long_name= ofmt->long_name;
3240 encode=1;
3241 }
3242 }