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