Add "genre" command line option
[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 "avdevice.h"
32 #include "swscale.h"
33 #include "framehook.h"
34 #include "opt.h"
35 #include "fifo.h"
36 #include "avstring.h"
37 #include "os_support.h"
38
39 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
40 #include <windows.h>
41 #endif
42
43 #if defined(HAVE_TERMIOS_H)
44 #include <unistd.h>
45 #include <fcntl.h>
46 #include <sys/ioctl.h>
47 #include <sys/time.h>
48 #include <termios.h>
49 #include <sys/resource.h>
50 #elif defined(HAVE_CONIO_H)
51 #include <conio.h>
52 #endif
53 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
54 #include <time.h>
55
56 #include "version.h"
57 #include "cmdutils.h"
58
59 #undef NDEBUG
60 #include <assert.h>
61
62 #if !defined(INFINITY) && defined(HUGE_VAL)
63 #define INFINITY HUGE_VAL
64 #endif
65
66 #undef exit
67
68 static const char program_name[] = "FFmpeg";
69 static const int program_birth_year = 2000;
70
71 /* select an input stream for an output stream */
72 typedef struct AVStreamMap {
73 int file_index;
74 int stream_index;
75 int sync_file_index;
76 int sync_stream_index;
77 } AVStreamMap;
78
79 /** select an input file for an output file */
80 typedef struct AVMetaDataMap {
81 int out_file;
82 int in_file;
83 } AVMetaDataMap;
84
85 extern const OptionDef options[];
86
87 #define MAX_FILES 20
88
89 static AVFormatContext *input_files[MAX_FILES];
90 static int64_t input_files_ts_offset[MAX_FILES];
91 static int nb_input_files = 0;
92
93 static AVFormatContext *output_files[MAX_FILES];
94 static int nb_output_files = 0;
95
96 static AVStreamMap stream_maps[MAX_FILES];
97 static int nb_stream_maps;
98
99 static AVMetaDataMap meta_data_maps[MAX_FILES];
100 static int nb_meta_data_maps;
101
102 static AVInputFormat *file_iformat;
103 static AVOutputFormat *file_oformat;
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static int frame_padtop = 0;
109 static int frame_padbottom = 0;
110 static int frame_padleft = 0;
111 static int frame_padright = 0;
112 static int padcolor[3] = {16,128,128}; /* default to black */
113 static int frame_topBand = 0;
114 static int frame_bottomBand = 0;
115 static int frame_leftBand = 0;
116 static int frame_rightBand = 0;
117 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
118 static AVRational frame_rate = (AVRational) {0,0};
119 static float video_qscale = 0;
120 static int video_qdiff = 3;
121 static uint16_t *intra_matrix = NULL;
122 static uint16_t *inter_matrix = NULL;
123 #if 0 //experimental, (can be removed)
124 static float video_rc_qsquish=1.0;
125 static float video_rc_qmod_amp=0;
126 static int video_rc_qmod_freq=0;
127 #endif
128 static const char *video_rc_override_string=NULL;
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_genre = NULL;
170 static char *str_album = NULL;
171 static int do_benchmark = 0;
172 static int do_hex_dump = 0;
173 static int do_pkt_dump = 0;
174 static int do_psnr = 0;
175 static int do_pass = 0;
176 static char *pass_logfilename = NULL;
177 static int audio_stream_copy = 0;
178 static int video_stream_copy = 0;
179 static int subtitle_stream_copy = 0;
180 static int video_sync_method= 1;
181 static int audio_sync_method= 0;
182 static float audio_drift_threshold= 0.1;
183 static int copy_ts= 0;
184 static int opt_shortest = 0; //
185 static int video_global_header = 0;
186 static char *vstats_filename;
187 static FILE *vstats_file;
188 static int opt_programid = 0;
189
190 static int rate_emu = 0;
191
192 static int video_channel = 0;
193 static char *video_standard;
194
195 static int audio_volume = 256;
196
197 static int using_stdin = 0;
198 static int using_vhook = 0;
199 static int verbose = 1;
200 static int thread_count= 1;
201 static int q_pressed = 0;
202 static int64_t video_size = 0;
203 static int64_t audio_size = 0;
204 static int64_t extra_size = 0;
205 static int nb_frames_dup = 0;
206 static int nb_frames_drop = 0;
207 static int input_sync;
208 static uint64_t limit_filesize = 0; //
209
210 static int pgmyuv_compatibility_hack=0;
211 static float dts_delta_threshold = 10;
212
213 static int sws_flags = SWS_BICUBIC;
214
215 static const char **opt_names;
216 static int opt_name_count;
217 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
218 static AVFormatContext *avformat_opts;
219 static struct SwsContext *sws_opts;
220 static int64_t timer_start;
221
222 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
224 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
225
226 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
227
228 struct AVInputStream;
229
230 typedef struct AVOutputStream {
231 int file_index; /* file index */
232 int index; /* stream index in the output file */
233 int source_index; /* AVInputStream index */
234 AVStream *st; /* stream in the output file */
235 int encoding_needed; /* true if encoding needed for this stream */
236 int frame_number;
237 /* input pts and corresponding output pts
238 for A/V sync */
239 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
240 struct AVInputStream *sync_ist; /* input stream to sync against */
241 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
242 /* video only */
243 int video_resample;
244 AVFrame pict_tmp; /* temporary image for resampling */
245 struct SwsContext *img_resample_ctx; /* for image resampling */
246 int resample_height;
247
248 int video_crop;
249 int topBand; /* cropping area sizes */
250 int leftBand;
251
252 int video_pad;
253 int padtop; /* padding area sizes */
254 int padbottom;
255 int padleft;
256 int padright;
257
258 /* audio only */
259 int audio_resample;
260 ReSampleContext *resample; /* for audio resampling */
261 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
262 FILE *logfile;
263 } AVOutputStream;
264
265 typedef struct AVInputStream {
266 int file_index;
267 int index;
268 AVStream *st;
269 int discard; /* true if stream data should be discarded */
270 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
271 int64_t sample_index; /* current sample */
272
273 int64_t start; /* time when read started */
274 unsigned long frame; /* current frame */
275 int64_t next_pts; /* synthetic pts for cases where pkt.pts
276 is not defined */
277 int64_t pts; /* current pts */
278 int is_start; /* is 1 at the start and after a discontinuity */
279 } AVInputStream;
280
281 typedef struct AVInputFile {
282 int eof_reached; /* true if eof reached */
283 int ist_index; /* index of first stream in ist_table */
284 int buffer_size; /* current total buffer size */
285 int nb_streams; /* nb streams we are aware of */
286 } AVInputFile;
287
288 #ifdef HAVE_TERMIOS_H
289
290 /* init terminal so that we can grab keys */
291 static struct termios oldtty;
292 #endif
293
294 static void term_exit(void)
295 {
296 #ifdef HAVE_TERMIOS_H
297 tcsetattr (0, TCSANOW, &oldtty);
298 #endif
299 }
300
301 static volatile sig_atomic_t received_sigterm = 0;
302
303 static void
304 sigterm_handler(int sig)
305 {
306 received_sigterm = sig;
307 term_exit();
308 }
309
310 static void term_init(void)
311 {
312 #ifdef HAVE_TERMIOS_H
313 struct termios tty;
314
315 tcgetattr (0, &tty);
316 oldtty = tty;
317
318 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
319 |INLCR|IGNCR|ICRNL|IXON);
320 tty.c_oflag |= OPOST;
321 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
322 tty.c_cflag &= ~(CSIZE|PARENB);
323 tty.c_cflag |= CS8;
324 tty.c_cc[VMIN] = 1;
325 tty.c_cc[VTIME] = 0;
326
327 tcsetattr (0, TCSANOW, &tty);
328 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
329 #endif
330
331 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
332 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
333 /*
334 register a function to be called at normal program termination
335 */
336 atexit(term_exit);
337 #ifdef CONFIG_BEOS_NETSERVER
338 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
339 #endif
340 }
341
342 /* read a key without blocking */
343 static int read_key(void)
344 {
345 #if defined(HAVE_TERMIOS_H)
346 int n = 1;
347 unsigned char ch;
348 #ifndef CONFIG_BEOS_NETSERVER
349 struct timeval tv;
350 fd_set rfds;
351
352 FD_ZERO(&rfds);
353 FD_SET(0, &rfds);
354 tv.tv_sec = 0;
355 tv.tv_usec = 0;
356 n = select(1, &rfds, NULL, NULL, &tv);
357 #endif
358 if (n > 0) {
359 n = read(0, &ch, 1);
360 if (n == 1)
361 return ch;
362
363 return n;
364 }
365 #elif defined(HAVE_CONIO_H)
366 if(kbhit())
367 return(getch());
368 #endif
369 return -1;
370 }
371
372 static int decode_interrupt_cb(void)
373 {
374 return q_pressed || (q_pressed = read_key() == 'q');
375 }
376
377 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
378 {
379 int i, err;
380 AVFormatContext *ic;
381
382 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
383 if (err < 0)
384 return err;
385 /* copy stream format */
386 s->nb_streams = ic->nb_streams;
387 for(i=0;i<ic->nb_streams;i++) {
388 AVStream *st;
389
390 // FIXME: a more elegant solution is needed
391 st = av_mallocz(sizeof(AVStream));
392 memcpy(st, ic->streams[i], sizeof(AVStream));
393 st->codec = avcodec_alloc_context();
394 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
395 s->streams[i] = st;
396 }
397
398 av_close_input_file(ic);
399 return 0;
400 }
401
402 static double
403 get_sync_ipts(const AVOutputStream *ost)
404 {
405 const AVInputStream *ist = ost->sync_ist;
406 return (double)(ist->pts - start_time)/AV_TIME_BASE;
407 }
408
409 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
410 int ret;
411
412 while(bsfc){
413 AVPacket new_pkt= *pkt;
414 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
415 &new_pkt.data, &new_pkt.size,
416 pkt->data, pkt->size,
417 pkt->flags & PKT_FLAG_KEY);
418 if(a){
419 av_free_packet(pkt);
420 new_pkt.destruct= av_destruct_packet;
421 }
422 *pkt= new_pkt;
423
424 bsfc= bsfc->next;
425 }
426
427 ret= av_interleaved_write_frame(s, pkt);
428 if(ret < 0){
429 print_error("av_interleaved_write_frame()", ret);
430 exit(1);
431 }
432 }
433
434 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
435
436 static void do_audio_out(AVFormatContext *s,
437 AVOutputStream *ost,
438 AVInputStream *ist,
439 unsigned char *buf, int size)
440 {
441 uint8_t *buftmp;
442 static uint8_t *audio_buf = NULL;
443 static uint8_t *audio_out = NULL;
444 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
445
446 int size_out, frame_bytes, ret;
447 AVCodecContext *enc= ost->st->codec;
448 AVCodecContext *dec= ist->st->codec;
449
450 /* SC: dynamic allocation of buffers */
451 if (!audio_buf)
452 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
453 if (!audio_out)
454 audio_out = av_malloc(audio_out_size);
455 if (!audio_buf || !audio_out)
456 return; /* Should signal an error ! */
457
458 if (enc->channels != dec->channels)
459 ost->audio_resample = 1;
460
461 if (ost->audio_resample && !ost->resample) {
462 ost->resample = audio_resample_init(enc->channels, dec->channels,
463 enc->sample_rate, dec->sample_rate);
464 if (!ost->resample) {
465 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
466 dec->channels, dec->sample_rate,
467 enc->channels, enc->sample_rate);
468 exit(1);
469 }
470 }
471
472 if(audio_sync_method){
473 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
474 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
475 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
476 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
477
478 //FIXME resample delay
479 if(fabs(delta) > 50){
480 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
481 if(byte_delta < 0){
482 byte_delta= FFMAX(byte_delta, -size);
483 size += byte_delta;
484 buf -= byte_delta;
485 if(verbose > 2)
486 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
487 if(!size)
488 return;
489 ist->is_start=0;
490 }else{
491 static uint8_t *input_tmp= NULL;
492 input_tmp= av_realloc(input_tmp, byte_delta + size);
493
494 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
495 ist->is_start=0;
496 else
497 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
498
499 memset(input_tmp, 0, byte_delta);
500 memcpy(input_tmp + byte_delta, buf, size);
501 buf= input_tmp;
502 size += byte_delta;
503 if(verbose > 2)
504 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
505 }
506 }else if(audio_sync_method>1){
507 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
508 assert(ost->audio_resample);
509 if(verbose > 2)
510 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
511 // 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));
512 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
513 }
514 }
515 }else
516 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
517 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
518
519 if (ost->audio_resample) {
520 buftmp = audio_buf;
521 size_out = audio_resample(ost->resample,
522 (short *)buftmp, (short *)buf,
523 size / (ist->st->codec->channels * 2));
524 size_out = size_out * enc->channels * 2;
525 } else {
526 buftmp = buf;
527 size_out = size;
528 }
529
530 /* now encode as many frames as possible */
531 if (enc->frame_size > 1) {
532 /* output resampled raw samples */
533 av_fifo_write(&ost->fifo, buftmp, size_out);
534
535 frame_bytes = enc->frame_size * 2 * enc->channels;
536
537 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
538 AVPacket pkt;
539 av_init_packet(&pkt);
540
541 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
542 (short *)audio_buf);
543 audio_size += ret;
544 pkt.stream_index= ost->index;
545 pkt.data= audio_out;
546 pkt.size= ret;
547 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
548 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
549 pkt.flags |= PKT_FLAG_KEY;
550 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
551
552 ost->sync_opts += enc->frame_size;
553 }
554 } else {
555 AVPacket pkt;
556 av_init_packet(&pkt);
557
558 ost->sync_opts += size_out / (2 * enc->channels);
559
560 /* output a pcm frame */
561 /* XXX: change encoding codec API to avoid this ? */
562 switch(enc->codec->id) {
563 case CODEC_ID_PCM_S32LE:
564 case CODEC_ID_PCM_S32BE:
565 case CODEC_ID_PCM_U32LE:
566 case CODEC_ID_PCM_U32BE:
567 size_out = size_out << 1;
568 break;
569 case CODEC_ID_PCM_S24LE:
570 case CODEC_ID_PCM_S24BE:
571 case CODEC_ID_PCM_U24LE:
572 case CODEC_ID_PCM_U24BE:
573 case CODEC_ID_PCM_S24DAUD:
574 size_out = size_out / 2 * 3;
575 break;
576 case CODEC_ID_PCM_S16LE:
577 case CODEC_ID_PCM_S16BE:
578 case CODEC_ID_PCM_U16LE:
579 case CODEC_ID_PCM_U16BE:
580 break;
581 default:
582 size_out = size_out >> 1;
583 break;
584 }
585 ret = avcodec_encode_audio(enc, audio_out, size_out,
586 (short *)buftmp);
587 audio_size += ret;
588 pkt.stream_index= ost->index;
589 pkt.data= audio_out;
590 pkt.size= ret;
591 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
592 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
593 pkt.flags |= PKT_FLAG_KEY;
594 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
595 }
596 }
597
598 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
599 {
600 AVCodecContext *dec;
601 AVPicture *picture2;
602 AVPicture picture_tmp;
603 uint8_t *buf = 0;
604
605 dec = ist->st->codec;
606
607 /* deinterlace : must be done before any resize */
608 if (do_deinterlace || using_vhook) {
609 int size;
610
611 /* create temporary picture */
612 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
613 buf = av_malloc(size);
614 if (!buf)
615 return;
616
617 picture2 = &picture_tmp;
618 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
619
620 if (do_deinterlace){
621 if(avpicture_deinterlace(picture2, picture,
622 dec->pix_fmt, dec->width, dec->height) < 0) {
623 /* if error, do not deinterlace */
624 av_free(buf);
625 buf = NULL;
626 picture2 = picture;
627 }
628 } else {
629 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
630 }
631 } else {
632 picture2 = picture;
633 }
634
635 if (ENABLE_VHOOK)
636 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
637 1000000 * ist->pts / AV_TIME_BASE);
638
639 if (picture != picture2)
640 *picture = *picture2;
641 *bufp = buf;
642 }
643
644 /* we begin to correct av delay at this threshold */
645 #define AV_DELAY_MAX 0.100
646
647 static void do_subtitle_out(AVFormatContext *s,
648 AVOutputStream *ost,
649 AVInputStream *ist,
650 AVSubtitle *sub,
651 int64_t pts)
652 {
653 static uint8_t *subtitle_out = NULL;
654 int subtitle_out_max_size = 65536;
655 int subtitle_out_size, nb, i;
656 AVCodecContext *enc;
657 AVPacket pkt;
658
659 if (pts == AV_NOPTS_VALUE) {
660 fprintf(stderr, "Subtitle packets must have a pts\n");
661 return;
662 }
663
664 enc = ost->st->codec;
665
666 if (!subtitle_out) {
667 subtitle_out = av_malloc(subtitle_out_max_size);
668 }
669
670 /* Note: DVB subtitle need one packet to draw them and one other
671 packet to clear them */
672 /* XXX: signal it in the codec context ? */
673 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
674 nb = 2;
675 else
676 nb = 1;
677
678 for(i = 0; i < nb; i++) {
679 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
680 subtitle_out_max_size, sub);
681
682 av_init_packet(&pkt);
683 pkt.stream_index = ost->index;
684 pkt.data = subtitle_out;
685 pkt.size = subtitle_out_size;
686 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
687 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
688 /* XXX: the pts correction is handled here. Maybe handling
689 it in the codec would be better */
690 if (i == 0)
691 pkt.pts += 90 * sub->start_display_time;
692 else
693 pkt.pts += 90 * sub->end_display_time;
694 }
695 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
696 }
697 }
698
699 static int bit_buffer_size= 1024*256;
700 static uint8_t *bit_buffer= NULL;
701
702 static void do_video_out(AVFormatContext *s,
703 AVOutputStream *ost,
704 AVInputStream *ist,
705 AVFrame *in_picture,
706 int *frame_size)
707 {
708 int nb_frames, i, ret;
709 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
710 AVFrame picture_crop_temp, picture_pad_temp;
711 AVCodecContext *enc, *dec;
712
713 avcodec_get_frame_defaults(&picture_crop_temp);
714 avcodec_get_frame_defaults(&picture_pad_temp);
715
716 enc = ost->st->codec;
717 dec = ist->st->codec;
718
719 /* by default, we output a single frame */
720 nb_frames = 1;
721
722 *frame_size = 0;
723
724 if(video_sync_method){
725 double vdelta;
726 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
727 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
728 if (vdelta < -1.1)
729 nb_frames = 0;
730 else if (vdelta > 1.1)
731 nb_frames = lrintf(vdelta);
732 //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);
733 if (nb_frames == 0){
734 ++nb_frames_drop;
735 if (verbose>2)
736 fprintf(stderr, "*** drop!\n");
737 }else if (nb_frames > 1) {
738 nb_frames_dup += nb_frames;
739 if (verbose>2)
740 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
741 }
742 }else
743 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
744
745 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
746 if (nb_frames <= 0)
747 return;
748
749 if (ost->video_crop) {
750 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
751 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
752 return;
753 }
754 formatted_picture = &picture_crop_temp;
755 } else {
756 formatted_picture = in_picture;
757 }
758
759 final_picture = formatted_picture;
760 padding_src = formatted_picture;
761 resampling_dst = &ost->pict_tmp;
762 if (ost->video_pad) {
763 final_picture = &ost->pict_tmp;
764 if (ost->video_resample) {
765 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
766 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
767 return;
768 }
769 resampling_dst = &picture_pad_temp;
770 }
771 }
772
773 if (ost->video_resample) {
774 padding_src = NULL;
775 final_picture = &ost->pict_tmp;
776 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
777 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
778 }
779
780 if (ost->video_pad) {
781 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
782 enc->height, enc->width, enc->pix_fmt,
783 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
784 }
785
786 /* duplicates frame if needed */
787 for(i=0;i<nb_frames;i++) {
788 AVPacket pkt;
789 av_init_packet(&pkt);
790 pkt.stream_index= ost->index;
791
792 if (s->oformat->flags & AVFMT_RAWPICTURE) {
793 /* raw pictures are written as AVPicture structure to
794 avoid any copies. We support temorarily the older
795 method. */
796 AVFrame* old_frame = enc->coded_frame;
797 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
798 pkt.data= (uint8_t *)final_picture;
799 pkt.size= sizeof(AVPicture);
800 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
801 pkt.flags |= PKT_FLAG_KEY;
802
803 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
804 enc->coded_frame = old_frame;
805 } else {
806 AVFrame big_picture;
807
808 big_picture= *final_picture;
809 /* better than nothing: use input picture interlaced
810 settings */
811 big_picture.interlaced_frame = in_picture->interlaced_frame;
812 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
813 if(top_field_first == -1)
814 big_picture.top_field_first = in_picture->top_field_first;
815 else
816 big_picture.top_field_first = top_field_first;
817 }
818
819 /* handles sameq here. This is not correct because it may
820 not be a global option */
821 if (same_quality) {
822 big_picture.quality = ist->st->quality;
823 }else
824 big_picture.quality = ost->st->quality;
825 if(!me_threshold)
826 big_picture.pict_type = 0;
827 // big_picture.pts = AV_NOPTS_VALUE;
828 big_picture.pts= ost->sync_opts;
829 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
830 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
831 ret = avcodec_encode_video(enc,
832 bit_buffer, bit_buffer_size,
833 &big_picture);
834 if (ret == -1) {
835 fprintf(stderr, "Video encoding failed\n");
836 exit(1);
837 }
838 //enc->frame_number = enc->real_pict_num;
839 if(ret>0){
840 pkt.data= bit_buffer;
841 pkt.size= ret;
842 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
843 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
844 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
845 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
846 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
847
848 if(enc->coded_frame && enc->coded_frame->key_frame)
849 pkt.flags |= PKT_FLAG_KEY;
850 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
851 *frame_size = ret;
852 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
853 // enc->frame_number-1, enc->real_pict_num, ret,
854 // enc->pict_type);
855 /* if two pass, output log */
856 if (ost->logfile && enc->stats_out) {
857 fprintf(ost->logfile, "%s", enc->stats_out);
858 }
859 }
860 }
861 ost->sync_opts++;
862 ost->frame_number++;
863 }
864 }
865
866 static double psnr(double d){
867 if(d==0) return INFINITY;
868 return -10.0*log(d)/log(10.0);
869 }
870
871 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
872 int frame_size)
873 {
874 AVCodecContext *enc;
875 int frame_number;
876 double ti1, bitrate, avg_bitrate;
877
878 /* this is executed just the first time do_video_stats is called */
879 if (!vstats_file) {
880 vstats_file = fopen(vstats_filename, "w");
881 if (!vstats_file) {
882 perror("fopen");
883 exit(1);
884 }
885 }
886
887 enc = ost->st->codec;
888 if (enc->codec_type == CODEC_TYPE_VIDEO) {
889 frame_number = ost->frame_number;
890 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
891 if (enc->flags&CODEC_FLAG_PSNR)
892 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
893
894 fprintf(vstats_file,"f_size= %6d ", frame_size);
895 /* compute pts value */
896 ti1 = ost->sync_opts * av_q2d(enc->time_base);
897 if (ti1 < 0.01)
898 ti1 = 0.01;
899
900 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
901 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
902 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
903 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
904 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
905 }
906 }
907
908 static void print_report(AVFormatContext **output_files,
909 AVOutputStream **ost_table, int nb_ostreams,
910 int is_last_report)
911 {
912 char buf[1024];
913 AVOutputStream *ost;
914 AVFormatContext *oc, *os;
915 int64_t total_size;
916 AVCodecContext *enc;
917 int frame_number, vid, i;
918 double bitrate, ti1, pts;
919 static int64_t last_time = -1;
920 static int qp_histogram[52];
921
922 if (!is_last_report) {
923 int64_t cur_time;
924 /* display the report every 0.5 seconds */
925 cur_time = av_gettime();
926 if (last_time == -1) {
927 last_time = cur_time;
928 return;
929 }
930 if ((cur_time - last_time) < 500000)
931 return;
932 last_time = cur_time;
933 }
934
935
936 oc = output_files[0];
937
938 total_size = url_fsize(oc->pb);
939 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
940 total_size= url_ftell(oc->pb);
941
942 buf[0] = '\0';
943 ti1 = 1e10;
944 vid = 0;
945 for(i=0;i<nb_ostreams;i++) {
946 ost = ost_table[i];
947 os = output_files[ost->file_index];
948 enc = ost->st->codec;
949 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
950 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
951 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
952 }
953 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
954 float t = (av_gettime()-timer_start) / 1000000.0;
955
956 frame_number = ost->frame_number;
957 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
958 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
959 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
960 if(is_last_report)
961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
962 if(qp_hist && enc->coded_frame){
963 int j;
964 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
965 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
966 qp_histogram[qp]++;
967 for(j=0; j<32; j++)
968 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
969 }
970 if (enc->flags&CODEC_FLAG_PSNR){
971 int j;
972 double error, error_sum=0;
973 double scale, scale_sum=0;
974 char type[3]= {'Y','U','V'};
975 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
976 for(j=0; j<3; j++){
977 if(is_last_report){
978 error= enc->error[j];
979 scale= enc->width*enc->height*255.0*255.0*frame_number;
980 }else{
981 error= enc->coded_frame->error[j];
982 scale= enc->width*enc->height*255.0*255.0;
983 }
984 if(j) scale/=4;
985 error_sum += error;
986 scale_sum += scale;
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
988 }
989 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
990 }
991 vid = 1;
992 }
993 /* compute min output value */
994 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
995 if ((pts < ti1) && (pts > 0))
996 ti1 = pts;
997 }
998 if (ti1 < 0.01)
999 ti1 = 0.01;
1000
1001 if (verbose || is_last_report) {
1002 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1003
1004 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1005 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1006 (double)total_size / 1024, ti1, bitrate);
1007
1008 if (verbose > 1)
1009 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1010 nb_frames_dup, nb_frames_drop);
1011
1012 if (verbose >= 0)
1013 fprintf(stderr, "%s \r", buf);
1014
1015 fflush(stderr);
1016 }
1017
1018 if (is_last_report && verbose >= 0){
1019 int64_t raw= audio_size + video_size + extra_size;
1020 fprintf(stderr, "\n");
1021 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1022 video_size/1024.0,
1023 audio_size/1024.0,
1024 extra_size/1024.0,
1025 100.0*(total_size - raw)/raw
1026 );
1027 }
1028 }
1029
1030 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1031 static int output_packet(AVInputStream *ist, int ist_index,
1032 AVOutputStream **ost_table, int nb_ostreams,
1033 const AVPacket *pkt)
1034 {
1035 AVFormatContext *os;
1036 AVOutputStream *ost;
1037 uint8_t *ptr;
1038 int len, ret, i;
1039 uint8_t *data_buf;
1040 int data_size, got_picture;
1041 AVFrame picture;
1042 void *buffer_to_free;
1043 static unsigned int samples_size= 0;
1044 static short *samples= NULL;
1045 AVSubtitle subtitle, *subtitle_to_free;
1046 int got_subtitle;
1047
1048 if(!pkt){
1049 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1050 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1051 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1052 } else {
1053 // assert(ist->pts == ist->next_pts);
1054 }
1055
1056 if (pkt == NULL) {
1057 /* EOF handling */
1058 ptr = NULL;
1059 len = 0;
1060 goto handle_eof;
1061 }
1062
1063 len = pkt->size;
1064 ptr = pkt->data;
1065 while (len > 0) {
1066 handle_eof:
1067 /* decode the packet if needed */
1068 data_buf = NULL; /* fail safe */
1069 data_size = 0;
1070 subtitle_to_free = NULL;
1071 if (ist->decoding_needed) {
1072 switch(ist->st->codec->codec_type) {
1073 case CODEC_TYPE_AUDIO:{
1074 if(pkt)
1075 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1076 data_size= samples_size;
1077 /* XXX: could avoid copy if PCM 16 bits with same
1078 endianness as CPU */
1079 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1080 ptr, len);
1081 if (ret < 0)
1082 goto fail_decode;
1083 ptr += ret;
1084 len -= ret;
1085 /* Some bug in mpeg audio decoder gives */
1086 /* data_size < 0, it seems they are overflows */
1087 if (data_size <= 0) {
1088 /* no audio frame */
1089 continue;
1090 }
1091 data_buf = (uint8_t *)samples;
1092 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1093 (ist->st->codec->sample_rate * ist->st->codec->channels);
1094 break;}
1095 case CODEC_TYPE_VIDEO:
1096 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1097 /* XXX: allocate picture correctly */
1098 avcodec_get_frame_defaults(&picture);
1099
1100 ret = avcodec_decode_video(ist->st->codec,
1101 &picture, &got_picture, ptr, len);
1102 ist->st->quality= picture.quality;
1103 if (ret < 0)
1104 goto fail_decode;
1105 if (!got_picture) {
1106 /* no picture yet */
1107 goto discard_packet;
1108 }
1109 if (ist->st->codec->time_base.num != 0) {
1110 ist->next_pts += ((int64_t)AV_TIME_BASE *
1111 ist->st->codec->time_base.num) /
1112 ist->st->codec->time_base.den;
1113 }
1114 len = 0;
1115 break;
1116 case CODEC_TYPE_SUBTITLE:
1117 ret = avcodec_decode_subtitle(ist->st->codec,
1118 &subtitle, &got_subtitle, ptr, len);
1119 if (ret < 0)
1120 goto fail_decode;
1121 if (!got_subtitle) {
1122 goto discard_packet;
1123 }
1124 subtitle_to_free = &subtitle;
1125 len = 0;
1126 break;
1127 default:
1128 goto fail_decode;
1129 }
1130 } else {
1131 switch(ist->st->codec->codec_type) {
1132 case CODEC_TYPE_AUDIO:
1133 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1134 ist->st->codec->sample_rate;
1135 break;
1136 case CODEC_TYPE_VIDEO:
1137 if (ist->st->codec->time_base.num != 0) {
1138 ist->next_pts += ((int64_t)AV_TIME_BASE *
1139 ist->st->codec->time_base.num) /
1140 ist->st->codec->time_base.den;
1141 }
1142 break;
1143 }
1144 data_buf = ptr;
1145 data_size = len;
1146 ret = len;
1147 len = 0;
1148 }
1149
1150 buffer_to_free = NULL;
1151 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1152 pre_process_video_frame(ist, (AVPicture *)&picture,
1153 &buffer_to_free);
1154 }
1155
1156 // preprocess audio (volume)
1157 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1158 if (audio_volume != 256) {
1159 short *volp;
1160 volp = samples;
1161 for(i=0;i<(data_size / sizeof(short));i++) {
1162 int v = ((*volp) * audio_volume + 128) >> 8;
1163 if (v < -32768) v = -32768;
1164 if (v > 32767) v = 32767;
1165 *volp++ = v;
1166 }
1167 }
1168 }
1169
1170 /* frame rate emulation */
1171 if (ist->st->codec->rate_emu) {
1172 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1173 int64_t now = av_gettime() - ist->start;
1174 if (pts > now)
1175 usleep(pts - now);
1176
1177 ist->frame++;
1178 }
1179
1180 #if 0
1181 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1182 is the one of the next displayed one */
1183 /* XXX: add mpeg4 too ? */
1184 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1185 if (ist->st->codec->pict_type != B_TYPE) {
1186 int64_t tmp;
1187 tmp = ist->last_ip_pts;
1188 ist->last_ip_pts = ist->frac_pts.val;
1189 ist->frac_pts.val = tmp;
1190 }
1191 }
1192 #endif
1193 /* if output time reached then transcode raw format,
1194 encode packets and output them */
1195 if (start_time == 0 || ist->pts >= start_time)
1196 for(i=0;i<nb_ostreams;i++) {
1197 int frame_size;
1198
1199 ost = ost_table[i];
1200 if (ost->source_index == ist_index) {
1201 os = output_files[ost->file_index];
1202
1203 #if 0
1204 printf("%d: got pts=%0.3f %0.3f\n", i,
1205 (double)pkt->pts / AV_TIME_BASE,
1206 ((double)ist->pts / AV_TIME_BASE) -
1207 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1208 #endif
1209 /* set the input output pts pairs */
1210 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1211
1212 if (ost->encoding_needed) {
1213 switch(ost->st->codec->codec_type) {
1214 case CODEC_TYPE_AUDIO:
1215 do_audio_out(os, ost, ist, data_buf, data_size);
1216 break;
1217 case CODEC_TYPE_VIDEO:
1218 do_video_out(os, ost, ist, &picture, &frame_size);
1219 video_size += frame_size;
1220 if (vstats_filename && frame_size)
1221 do_video_stats(os, ost, frame_size);
1222 break;
1223 case CODEC_TYPE_SUBTITLE:
1224 do_subtitle_out(os, ost, ist, &subtitle,
1225 pkt->pts);
1226 break;
1227 default:
1228 abort();
1229 }
1230 } else {
1231 AVFrame avframe; //FIXME/XXX remove this
1232 AVPacket opkt;
1233 av_init_packet(&opkt);
1234
1235 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1236 continue;
1237
1238 /* no reencoding needed : output the packet directly */
1239 /* force the input stream PTS */
1240
1241 avcodec_get_frame_defaults(&avframe);
1242 ost->st->codec->coded_frame= &avframe;
1243 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1244
1245 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1246 audio_size += data_size;
1247 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1248 video_size += data_size;
1249 ost->sync_opts++;
1250 }
1251
1252 opkt.stream_index= ost->index;
1253 if(pkt->pts != AV_NOPTS_VALUE)
1254 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1255 else
1256 opkt.pts= AV_NOPTS_VALUE;
1257
1258 if (pkt->dts == AV_NOPTS_VALUE)
1259 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1260 else
1261 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1262
1263 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1264 opkt.flags= pkt->flags;
1265
1266 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1267 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1268 opkt.destruct= av_destruct_packet;
1269
1270 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1271 ost->st->codec->frame_number++;
1272 ost->frame_number++;
1273 av_free_packet(&opkt);
1274 }
1275 }
1276 }
1277 av_free(buffer_to_free);
1278 /* XXX: allocate the subtitles in the codec ? */
1279 if (subtitle_to_free) {
1280 if (subtitle_to_free->rects != NULL) {
1281 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1282 av_free(subtitle_to_free->rects[i].bitmap);
1283 av_free(subtitle_to_free->rects[i].rgba_palette);
1284 }
1285 av_freep(&subtitle_to_free->rects);
1286 }
1287 subtitle_to_free->num_rects = 0;
1288 subtitle_to_free = NULL;
1289 }
1290 }
1291 discard_packet:
1292 if (pkt == NULL) {
1293 /* EOF handling */
1294
1295 for(i=0;i<nb_ostreams;i++) {
1296 ost = ost_table[i];
1297 if (ost->source_index == ist_index) {
1298 AVCodecContext *enc= ost->st->codec;
1299 os = output_files[ost->file_index];
1300
1301 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1302 continue;
1303 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1304 continue;
1305
1306 if (ost->encoding_needed) {
1307 for(;;) {
1308 AVPacket pkt;
1309 int fifo_bytes;
1310 av_init_packet(&pkt);
1311 pkt.stream_index= ost->index;
1312
1313 switch(ost->st->codec->codec_type) {
1314 case CODEC_TYPE_AUDIO:
1315 fifo_bytes = av_fifo_size(&ost->fifo);
1316 ret = 0;
1317 /* encode any samples remaining in fifo */
1318 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1319 int fs_tmp = enc->frame_size;
1320 enc->frame_size = fifo_bytes / (2 * enc->channels);
1321 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1322 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1323 }
1324 enc->frame_size = fs_tmp;
1325 }
1326 if(ret <= 0) {
1327 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1328 }
1329 audio_size += ret;
1330 pkt.flags |= PKT_FLAG_KEY;
1331 break;
1332 case CODEC_TYPE_VIDEO:
1333 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1334 video_size += ret;
1335 if(enc->coded_frame && enc->coded_frame->key_frame)
1336 pkt.flags |= PKT_FLAG_KEY;
1337 if (ost->logfile && enc->stats_out) {
1338 fprintf(ost->logfile, "%s", enc->stats_out);
1339 }
1340 break;
1341 default:
1342 ret=-1;
1343 }
1344
1345 if(ret<=0)
1346 break;
1347 pkt.data= bit_buffer;
1348 pkt.size= ret;
1349 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1350 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1351 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1352 }
1353 }
1354 }
1355 }
1356 }
1357
1358 return 0;
1359 fail_decode:
1360 return -1;
1361 }
1362
1363 static void print_sdp(AVFormatContext **avc, int n)
1364 {
1365 char sdp[2048];
1366
1367 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1368 printf("SDP:\n%s\n", sdp);
1369 }
1370
1371 static int stream_index_from_inputs(AVFormatContext **input_files,
1372 int nb_input_files,
1373 AVInputFile *file_table,
1374 AVInputStream **ist_table,
1375 enum CodecType type,
1376 int programid)
1377 {
1378 int p, q, z;
1379 for(z=0; z<nb_input_files; z++) {
1380 AVFormatContext *ic = input_files[z];
1381 for(p=0; p<ic->nb_programs; p++) {
1382 AVProgram *program = ic->programs[p];
1383 if(program->id != programid)
1384 continue;
1385 for(q=0; q<program->nb_stream_indexes; q++) {
1386 int sidx = program->stream_index[q];
1387 int ris = file_table[z].ist_index + sidx;
1388 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1389 return ris;
1390 }
1391 }
1392 }
1393
1394 return -1;
1395 }
1396
1397 /*
1398 * The following code is the main loop of the file converter
1399 */
1400 static int av_encode(AVFormatContext **output_files,
1401 int nb_output_files,
1402 AVFormatContext **input_files,
1403 int nb_input_files,
1404 AVStreamMap *stream_maps, int nb_stream_maps)
1405 {
1406 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1407 AVFormatContext *is, *os;
1408 AVCodecContext *codec, *icodec;
1409 AVOutputStream *ost, **ost_table = NULL;
1410 AVInputStream *ist, **ist_table = NULL;
1411 AVInputFile *file_table;
1412 int key;
1413 int want_sdp = 1;
1414
1415 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1416 if (!file_table)
1417 goto fail;
1418
1419 /* input stream init */
1420 j = 0;
1421 for(i=0;i<nb_input_files;i++) {
1422 is = input_files[i];
1423 file_table[i].ist_index = j;
1424 file_table[i].nb_streams = is->nb_streams;
1425 j += is->nb_streams;
1426 }
1427 nb_istreams = j;
1428
1429 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1430 if (!ist_table)
1431 goto fail;
1432
1433 for(i=0;i<nb_istreams;i++) {
1434 ist = av_mallocz(sizeof(AVInputStream));
1435 if (!ist)
1436 goto fail;
1437 ist_table[i] = ist;
1438 }
1439 j = 0;
1440 for(i=0;i<nb_input_files;i++) {
1441 is = input_files[i];
1442 for(k=0;k<is->nb_streams;k++) {
1443 ist = ist_table[j++];
1444 ist->st = is->streams[k];
1445 ist->file_index = i;
1446 ist->index = k;
1447 ist->discard = 1; /* the stream is discarded by default
1448 (changed later) */
1449
1450 if (ist->st->codec->rate_emu) {
1451 ist->start = av_gettime();
1452 ist->frame = 0;
1453 }
1454 }
1455 }
1456
1457 /* output stream init */
1458 nb_ostreams = 0;
1459 for(i=0;i<nb_output_files;i++) {
1460 os = output_files[i];
1461 if (!os->nb_streams) {
1462 fprintf(stderr, "Output file does not contain any stream\n");
1463 exit(1);
1464 }
1465 nb_ostreams += os->nb_streams;
1466 }
1467 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1468 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1469 exit(1);
1470 }
1471
1472 /* Sanity check the mapping args -- do the input files & streams exist? */
1473 for(i=0;i<nb_stream_maps;i++) {
1474 int fi = stream_maps[i].file_index;
1475 int si = stream_maps[i].stream_index;
1476
1477 if (fi < 0 || fi > nb_input_files - 1 ||
1478 si < 0 || si > file_table[fi].nb_streams - 1) {
1479 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1480 exit(1);
1481 }
1482 fi = stream_maps[i].sync_file_index;
1483 si = stream_maps[i].sync_stream_index;
1484 if (fi < 0 || fi > nb_input_files - 1 ||
1485 si < 0 || si > file_table[fi].nb_streams - 1) {
1486 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1487 exit(1);
1488 }
1489 }
1490
1491 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1492 if (!ost_table)
1493 goto fail;
1494 for(i=0;i<nb_ostreams;i++) {
1495 ost = av_mallocz(sizeof(AVOutputStream));
1496 if (!ost)
1497 goto fail;
1498 ost_table[i] = ost;
1499 }
1500
1501 n = 0;
1502 for(k=0;k<nb_output_files;k++) {
1503 os = output_files[k];
1504 for(i=0;i<os->nb_streams;i++) {
1505 int found;
1506 ost = ost_table[n++];
1507 ost->file_index = k;
1508 ost->index = i;
1509 ost->st = os->streams[i];
1510 if (nb_stream_maps > 0) {
1511 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1512 stream_maps[n-1].stream_index;
1513
1514 /* Sanity check that the stream types match */
1515 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1516 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1517 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1518 ost->file_index, ost->index);
1519 exit(1);
1520 }
1521
1522 } else {
1523 if(opt_programid) {
1524 found = 0;
1525 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1526 if(j != -1) {
1527 ost->source_index = j;
1528 found = 1;
1529 }
1530 } else {
1531 /* get corresponding input stream index : we select the first one with the right type */
1532 found = 0;
1533 for(j=0;j<nb_istreams;j++) {
1534 ist = ist_table[j];
1535 if (ist->discard &&
1536 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1537 ost->source_index = j;
1538 found = 1;
1539 break;
1540 }
1541 }
1542 }
1543
1544 if (!found) {
1545 if(! opt_programid) {
1546 /* try again and reuse existing stream */
1547 for(j=0;j<nb_istreams;j++) {
1548 ist = ist_table[j];
1549 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1550 ost->source_index = j;
1551 found = 1;
1552 }
1553 }
1554 }
1555 if (!found) {
1556 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1557 ost->file_index, ost->index);
1558 exit(1);
1559 }
1560 }
1561 }
1562 ist = ist_table[ost->source_index];
1563 ist->discard = 0;
1564 ost->sync_ist = (nb_stream_maps > 0) ?
1565 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1566 stream_maps[n-1].sync_stream_index] : ist;
1567 }
1568 }
1569
1570 /* for each output stream, we compute the right encoding parameters */
1571 for(i=0;i<nb_ostreams;i++) {
1572 ost = ost_table[i];
1573 os = output_files[ost->file_index];
1574 ist = ist_table[ost->source_index];
1575
1576 codec = ost->st->codec;
1577 icodec = ist->st->codec;
1578
1579 if (!ost->st->language[0])
1580 av_strlcpy(ost->st->language, ist->st->language,
1581 sizeof(ost->st->language));
1582
1583 if (ost->st->stream_copy) {
1584 /* if stream_copy is selected, no need to decode or encode */
1585 codec->codec_id = icodec->codec_id;
1586 codec->codec_type = icodec->codec_type;
1587
1588 if(!codec->codec_tag){
1589 if( !os->oformat->codec_tag
1590 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1591 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1592 codec->codec_tag = icodec->codec_tag;
1593 }
1594
1595 codec->bit_rate = icodec->bit_rate;
1596 codec->extradata= icodec->extradata;
1597 codec->extradata_size= icodec->extradata_size;
1598 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1599 codec->time_base = icodec->time_base;
1600 else
1601 codec->time_base = ist->st->time_base;
1602 switch(codec->codec_type) {
1603 case CODEC_TYPE_AUDIO:
1604 codec->sample_rate = icodec->sample_rate;
1605 codec->channels = icodec->channels;
1606 codec->frame_size = icodec->frame_size;
1607 codec->block_align= icodec->block_align;
1608 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1609 codec->block_align= 0;
1610 break;
1611 case CODEC_TYPE_VIDEO:
1612 if(using_vhook) {
1613 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1614 exit(1);
1615 }
1616 codec->pix_fmt = icodec->pix_fmt;
1617 codec->width = icodec->width;
1618 codec->height = icodec->height;
1619 codec->has_b_frames = icodec->has_b_frames;
1620 break;
1621 case CODEC_TYPE_SUBTITLE:
1622 break;
1623 default:
1624 abort();
1625 }
1626 } else {
1627 switch(codec->codec_type) {
1628 case CODEC_TYPE_AUDIO:
1629 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1630 goto fail;
1631 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1632 icodec->request_channels = codec->channels;
1633 ist->decoding_needed = 1;
1634 ost->encoding_needed = 1;
1635 break;
1636 case CODEC_TYPE_VIDEO:
1637 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1638 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1639 ost->video_resample = ((codec->width != icodec->width -
1640 (frame_leftBand + frame_rightBand) +
1641 (frame_padleft + frame_padright)) ||
1642 (codec->height != icodec->height -
1643 (frame_topBand + frame_bottomBand) +
1644 (frame_padtop + frame_padbottom)) ||
1645 (codec->pix_fmt != icodec->pix_fmt));
1646 if (ost->video_crop) {
1647 ost->topBand = frame_topBand;
1648 ost->leftBand = frame_leftBand;
1649 }
1650 if (ost->video_pad) {
1651 ost->padtop = frame_padtop;
1652 ost->padleft = frame_padleft;
1653 ost->padbottom = frame_padbottom;
1654 ost->padright = frame_padright;
1655 if (!ost->video_resample) {
1656 avcodec_get_frame_defaults(&ost->pict_tmp);
1657 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1658 codec->width, codec->height ) )
1659 goto fail;
1660 }
1661 }
1662 if (ost->video_resample) {
1663 avcodec_get_frame_defaults(&ost->pict_tmp);
1664 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1665 codec->width, codec->height ) ) {
1666 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1667 exit(1);
1668 }
1669 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1670 ost->img_resample_ctx = sws_getContext(
1671 icodec->width - (frame_leftBand + frame_rightBand),
1672 icodec->height - (frame_topBand + frame_bottomBand),
1673 icodec->pix_fmt,
1674 codec->width - (frame_padleft + frame_padright),
1675 codec->height - (frame_padtop + frame_padbottom),
1676 codec->pix_fmt,
1677 sws_flags, NULL, NULL, NULL);
1678 if (ost->img_resample_ctx == NULL) {
1679 fprintf(stderr, "Cannot get resampling context\n");
1680 exit(1);
1681 }
1682 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1683 }
1684 ost->encoding_needed = 1;
1685 ist->decoding_needed = 1;
1686 break;
1687 case CODEC_TYPE_SUBTITLE:
1688 ost->encoding_needed = 1;
1689 ist->decoding_needed = 1;
1690 break;
1691 default:
1692 abort();
1693 break;
1694 }
1695 /* two pass mode */
1696 if (ost->encoding_needed &&
1697 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1698 char logfilename[1024];
1699 FILE *f;
1700 int size;
1701 char *logbuffer;
1702
1703 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1704 pass_logfilename ?
1705 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1706 if (codec->flags & CODEC_FLAG_PASS1) {
1707 f = fopen(logfilename, "w");
1708 if (!f) {
1709 perror(logfilename);
1710 exit(1);
1711 }
1712 ost->logfile = f;
1713 } else {
1714 /* read the log file */
1715 f = fopen(logfilename, "r");
1716 if (!f) {
1717 perror(logfilename);
1718 exit(1);
1719 }
1720 fseek(f, 0, SEEK_END);
1721 size = ftell(f);
1722 fseek(f, 0, SEEK_SET);
1723 logbuffer = av_malloc(size + 1);
1724 if (!logbuffer) {
1725 fprintf(stderr, "Could not allocate log buffer\n");
1726 exit(1);
1727 }
1728 size = fread(logbuffer, 1, size, f);
1729 fclose(f);
1730 logbuffer[size] = '\0';
1731 codec->stats_in = logbuffer;
1732 }
1733 }
1734 }
1735 if(codec->codec_type == CODEC_TYPE_VIDEO){
1736 int size= codec->width * codec->height;
1737 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1738 }
1739 }
1740
1741 if (!bit_buffer)
1742 bit_buffer = av_malloc(bit_buffer_size);
1743 if (!bit_buffer)
1744 goto fail;
1745
1746 /* dump the file output parameters - cannot be done before in case
1747 of stream copy */
1748 for(i=0;i<nb_output_files;i++) {
1749 dump_format(output_files[i], i, output_files[i]->filename, 1);
1750 }
1751
1752 /* dump the stream mapping */
1753 if (verbose >= 0) {
1754 fprintf(stderr, "Stream mapping:\n");
1755 for(i=0;i<nb_ostreams;i++) {
1756 ost = ost_table[i];
1757 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1758 ist_table[ost->source_index]->file_index,
1759 ist_table[ost->source_index]->index,
1760 ost->file_index,
1761 ost->index);
1762 if (ost->sync_ist != ist_table[ost->source_index])
1763 fprintf(stderr, " [sync #%d.%d]",
1764 ost->sync_ist->file_index,
1765 ost->sync_ist->index);
1766 fprintf(stderr, "\n");
1767 }
1768 }
1769
1770 /* open each encoder */
1771 for(i=0;i<nb_ostreams;i++) {
1772 ost = ost_table[i];
1773 if (ost->encoding_needed) {
1774 AVCodec *codec;
1775 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1776 if (!codec) {
1777 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1778 ost->file_index, ost->index);
1779 exit(1);
1780 }
1781 if (avcodec_open(ost->st->codec, codec) < 0) {
1782 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1783 ost->file_index, ost->index);
1784 exit(1);
1785 }
1786 extra_size += ost->st->codec->extradata_size;
1787 }
1788 }
1789
1790 /* open each decoder */
1791 for(i=0;i<nb_istreams;i++) {
1792 ist = ist_table[i];
1793 if (ist->decoding_needed) {
1794 AVCodec *codec;
1795 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1796 if (!codec) {
1797 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1798 ist->st->codec->codec_id, ist->file_index, ist->index);
1799 exit(1);
1800 }
1801 if (avcodec_open(ist->st->codec, codec) < 0) {
1802 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1803 ist->file_index, ist->index);
1804 exit(1);
1805 }
1806 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1807 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1808 }
1809 }
1810
1811 /* init pts */
1812 for(i=0;i<nb_istreams;i++) {
1813 ist = ist_table[i];
1814 is = input_files[ist->file_index];
1815 ist->pts = 0;
1816 ist->next_pts=0;
1817 if( input_files_ts_offset[ist->file_index] != -is->start_time
1818 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1819 ist->next_pts= AV_NOPTS_VALUE;
1820 ist->is_start = 1;
1821 }
1822
1823 /* set meta data information from input file if required */
1824 for (i=0;i<nb_meta_data_maps;i++) {
1825 AVFormatContext *out_file;
1826 AVFormatContext *in_file;
1827
1828 int out_file_index = meta_data_maps[i].out_file;
1829 int in_file_index = meta_data_maps[i].in_file;
1830 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1831 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1832 ret = AVERROR(EINVAL);
1833 goto fail;
1834 }
1835 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1836 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1837 ret = AVERROR(EINVAL);
1838 goto fail;
1839 }
1840
1841 out_file = output_files[out_file_index];
1842 in_file = input_files[in_file_index];
1843
1844 strcpy(out_file->title, in_file->title);
1845 strcpy(out_file->author, in_file->author);
1846 strcpy(out_file->copyright, in_file->copyright);
1847 strcpy(out_file->comment, in_file->comment);
1848 strcpy(out_file->album, in_file->album);
1849 out_file->year = in_file->year;
1850 out_file->track = in_file->track;
1851 strcpy(out_file->genre, in_file->genre);
1852 }
1853
1854 /* open files and write file headers */
1855 for(i=0;i<nb_output_files;i++) {
1856 os = output_files[i];
1857 if (av_write_header(os) < 0) {
1858 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1859 ret = AVERROR(EINVAL);
1860 goto fail;
1861 }
1862 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1863 want_sdp = 0;
1864 }
1865 }
1866 if (want_sdp) {
1867 print_sdp(output_files, nb_output_files);
1868 }
1869
1870 if ( !using_stdin && verbose >= 0) {
1871 fprintf(stderr, "Press [q] to stop encoding\n");
1872 url_set_interrupt_cb(decode_interrupt_cb);
1873 }
1874 term_init();
1875
1876 key = -1;
1877 timer_start = av_gettime();
1878
1879 for(; received_sigterm == 0;) {
1880 int file_index, ist_index;
1881 AVPacket pkt;
1882 double ipts_min;
1883 double opts_min;
1884
1885 redo:
1886 ipts_min= 1e100;
1887 opts_min= 1e100;
1888 /* if 'q' pressed, exits */
1889 if (!using_stdin) {
1890 if (q_pressed)
1891 break;
1892 /* read_key() returns 0 on EOF */
1893 key = read_key();
1894 if (key == 'q')
1895 break;
1896 }
1897
1898 /* select the stream that we must read now by looking at the
1899 smallest output pts */
1900 file_index = -1;
1901 for(i=0;i<nb_ostreams;i++) {
1902 double ipts, opts;
1903 ost = ost_table[i];
1904 os = output_files[ost->file_index];
1905 ist = ist_table[ost->source_index];
1906 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1907 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1908 else
1909 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1910 ipts = (double)ist->pts;
1911 if (!file_table[ist->file_index].eof_reached){
1912 if(ipts < ipts_min) {
1913 ipts_min = ipts;
1914 if(input_sync ) file_index = ist->file_index;
1915 }
1916 if(opts < opts_min) {
1917 opts_min = opts;
1918 if(!input_sync) file_index = ist->file_index;
1919 }
1920 }
1921 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1922 file_index= -1;
1923 break;
1924 }
1925 }
1926 /* if none, if is finished */
1927 if (file_index < 0) {
1928 break;
1929 }
1930
1931 /* finish if recording time exhausted */
1932 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1933 break;
1934
1935 /* finish if limit size exhausted */
1936 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
1937 break;
1938
1939 /* read a frame from it and output it in the fifo */
1940 is = input_files[file_index];
1941 if (av_read_frame(is, &pkt) < 0) {
1942 file_table[file_index].eof_reached = 1;
1943 if (opt_shortest)
1944 break;
1945 else
1946 continue;
1947 }
1948
1949 if (do_pkt_dump) {
1950 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1951 }
1952 /* the following test is needed in case new streams appear
1953 dynamically in stream : we ignore them */
1954 if (pkt.stream_index >= file_table[file_index].nb_streams)
1955 goto discard_packet;
1956 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1957 ist = ist_table[ist_index];
1958 if (ist->discard)
1959 goto discard_packet;
1960
1961 if (pkt.dts != AV_NOPTS_VALUE)
1962 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1963 if (pkt.pts != AV_NOPTS_VALUE)
1964 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1965
1966 // 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);
1967 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1968 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1969 int64_t delta= pkt_dts - ist->next_pts;
1970 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1971 input_files_ts_offset[ist->file_index]-= delta;
1972 if (verbose > 2)
1973 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1974 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1975 if(pkt.pts != AV_NOPTS_VALUE)
1976 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1977 }
1978 }
1979
1980 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1981 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1982
1983 if (verbose >= 0)
1984 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1985 ist->file_index, ist->index);
1986
1987 av_free_packet(&pkt);
1988 goto redo;
1989 }
1990
1991 discard_packet:
1992 av_free_packet(&pkt);
1993
1994 /* dump report by using the output first video and audio streams */
1995 print_report(output_files, ost_table, nb_ostreams, 0);
1996 }
1997
1998 /* at the end of stream, we must flush the decoder buffers */
1999 for(i=0;i<nb_istreams;i++) {
2000 ist = ist_table[i];
2001 if (ist->decoding_needed) {
2002 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2003 }
2004 }
2005
2006 term_exit();
2007
2008 /* write the trailer if needed and close file */
2009 for(i=0;i<nb_output_files;i++) {
2010 os = output_files[i];
2011 av_write_trailer(os);
2012 }
2013
2014 /* dump report by using the first video and audio streams */
2015 print_report(output_files, ost_table, nb_ostreams, 1);
2016
2017 /* close each encoder */
2018 for(i=0;i<nb_ostreams;i++) {
2019 ost = ost_table[i];
2020 if (ost->encoding_needed) {
2021 av_freep(&ost->st->codec->stats_in);
2022 avcodec_close(ost->st->codec);
2023 }
2024 }
2025
2026 /* close each decoder */
2027 for(i=0;i<nb_istreams;i++) {
2028 ist = ist_table[i];
2029 if (ist->decoding_needed) {
2030 avcodec_close(ist->st->codec);
2031 }
2032 }
2033
2034 /* finished ! */
2035
2036 ret = 0;
2037 fail1:
2038 av_freep(&bit_buffer);
2039 av_free(file_table);
2040
2041 if (ist_table) {
2042 for(i=0;i<nb_istreams;i++) {
2043 ist = ist_table[i];
2044 av_free(ist);
2045 }
2046 av_free(ist_table);
2047 }
2048 if (ost_table) {
2049 for(i=0;i<nb_ostreams;i++) {
2050 ost = ost_table[i];
2051 if (ost) {
2052 if (ost->logfile) {
2053 fclose(ost->logfile);
2054 ost->logfile = NULL;
2055 }
2056 av_fifo_free(&ost->fifo); /* works even if fifo is not
2057 initialized but set to zero */
2058 av_free(ost->pict_tmp.data[0]);
2059 if (ost->video_resample)
2060 sws_freeContext(ost->img_resample_ctx);
2061 if (ost->resample)
2062 audio_resample_close(ost->resample);
2063 av_free(ost);
2064 }
2065 }
2066 av_free(ost_table);
2067 }
2068 return ret;
2069 fail:
2070 ret = AVERROR(ENOMEM);
2071 goto fail1;
2072 }
2073
2074 #if 0
2075 int file_read(const char *filename)
2076 {
2077 URLContext *h;
2078 unsigned char buffer[1024];
2079 int len, i;
2080
2081 if (url_open(&h, filename, O_RDONLY) < 0) {
2082 printf("could not open '%s'\n", filename);
2083 return -1;
2084 }
2085 for(;;) {
2086 len = url_read(h, buffer, sizeof(buffer));
2087 if (len <= 0)
2088 break;
2089 for(i=0;i<len;i++) putchar(buffer[i]);
2090 }
2091 url_close(h);
2092 return 0;
2093 }
2094 #endif
2095
2096 static void opt_format(const char *arg)
2097 {
2098 /* compatibility stuff for pgmyuv */
2099 if (!strcmp(arg, "pgmyuv")) {
2100 pgmyuv_compatibility_hack=1;
2101 // opt_image_format(arg);
2102 arg = "image2";
2103 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2104 }
2105
2106 file_iformat = av_find_input_format(arg);
2107 file_oformat = guess_format(arg, NULL, NULL);
2108 if (!file_iformat && !file_oformat) {
2109 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2110 exit(1);
2111 }
2112 }
2113
2114 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2115 extern int ffm_nopts;
2116 #endif
2117
2118 static int opt_default(const char *opt, const char *arg){
2119 int type;
2120 const AVOption *o= NULL;
2121 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2122
2123 for(type=0; type<CODEC_TYPE_NB; type++){
2124 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2125 if(o2)
2126 o = av_set_string(avctx_opts[type], opt, arg);
2127 }
2128 if(!o)
2129 o = av_set_string(avformat_opts, opt, arg);
2130 if(!o)
2131 o = av_set_string(sws_opts, opt, arg);
2132 if(!o){
2133 if(opt[0] == 'a')
2134 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2135 else if(opt[0] == 'v')
2136 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2137 else if(opt[0] == 's')
2138 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2139 }
2140 if(!o)
2141 return -1;
2142
2143 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2144
2145 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2146 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2147 opt_names[opt_name_count++]= o->name;
2148
2149 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2150 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2151 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2152 ffm_nopts = 1;
2153 #endif
2154
2155 if(avctx_opts[0]->debug)
2156 av_log_set_level(AV_LOG_DEBUG);
2157 return 0;
2158 }
2159
2160 static void opt_video_rc_override_string(const char *arg)
2161 {
2162 video_rc_override_string = arg;
2163 }
2164
2165 static void opt_me_threshold(const char *arg)
2166 {
2167 me_threshold = atoi(arg);
2168 }
2169
2170 static void opt_verbose(const char *arg)
2171 {
2172 verbose = atoi(arg);
2173 av_log_set_level(atoi(arg));
2174 }
2175
2176 static void opt_frame_rate(const char *arg)
2177 {
2178 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2179 fprintf(stderr, "Incorrect frame rate\n");
2180 exit(1);
2181 }
2182 }
2183
2184 static int opt_bitrate(const char *opt, const char *arg)
2185 {
2186 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2187
2188 opt_default(opt, arg);
2189
2190 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2191 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2192
2193 return 0;
2194 }
2195
2196 static void opt_frame_crop_top(const char *arg)
2197 {
2198 frame_topBand = atoi(arg);
2199 if (frame_topBand < 0) {
2200 fprintf(stderr, "Incorrect top crop size\n");
2201 exit(1);
2202 }
2203 if ((frame_topBand % 2) != 0) {
2204 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2205 exit(1);
2206 }
2207 if ((frame_topBand) >= frame_height){
2208 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2209 exit(1);
2210 }
2211 frame_height -= frame_topBand;
2212 }
2213
2214 static void opt_frame_crop_bottom(const char *arg)
2215 {
2216 frame_bottomBand = atoi(arg);
2217 if (frame_bottomBand < 0) {
2218 fprintf(stderr, "Incorrect bottom crop size\n");
2219 exit(1);
2220 }
2221 if ((frame_bottomBand % 2) != 0) {
2222 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2223 exit(1);
2224 }
2225 if ((frame_bottomBand) >= frame_height){
2226 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2227 exit(1);
2228 }
2229 frame_height -= frame_bottomBand;
2230 }
2231
2232 static void opt_frame_crop_left(const char *arg)
2233 {
2234 frame_leftBand = atoi(arg);
2235 if (frame_leftBand < 0) {
2236 fprintf(stderr, "Incorrect left crop size\n");
2237 exit(1);
2238 }
2239 if ((frame_leftBand % 2) != 0) {
2240 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2241 exit(1);
2242 }
2243 if ((frame_leftBand) >= frame_width){
2244 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2245 exit(1);
2246 }
2247 frame_width -= frame_leftBand;
2248 }
2249
2250 static void opt_frame_crop_right(const char *arg)
2251 {
2252 frame_rightBand = atoi(arg);
2253 if (frame_rightBand < 0) {
2254 fprintf(stderr, "Incorrect right crop size\n");
2255 exit(1);
2256 }
2257 if ((frame_rightBand % 2) != 0) {
2258 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2259 exit(1);
2260 }
2261 if ((frame_rightBand) >= frame_width){
2262 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2263 exit(1);
2264 }
2265 frame_width -= frame_rightBand;
2266 }
2267
2268 static void opt_frame_size(const char *arg)
2269 {
2270 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2271 fprintf(stderr, "Incorrect frame size\n");
2272 exit(1);
2273 }
2274 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2275 fprintf(stderr, "Frame size must be a multiple of 2\n");
2276 exit(1);
2277 }
2278 }
2279
2280
2281 #define SCALEBITS 10
2282 #define ONE_HALF (1 << (SCALEBITS - 1))
2283 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2284
2285 #define RGB_TO_Y(r, g, b) \
2286 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2287 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2288
2289 #define RGB_TO_U(r1, g1, b1, shift)\
2290 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2291 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2292
2293 #define RGB_TO_V(r1, g1, b1, shift)\
2294 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2295 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2296
2297 static void opt_pad_color(const char *arg) {
2298 /* Input is expected to be six hex digits similar to
2299 how colors are expressed in html tags (but without the #) */
2300 int rgb = strtol(arg, NULL, 16);
2301 int r,g,b;
2302
2303 r = (rgb >> 16);
2304 g = ((rgb >> 8) & 255);
2305 b = (rgb & 255);
2306
2307 padcolor[0] = RGB_TO_Y(r,g,b);
2308 padcolor[1] = RGB_TO_U(r,g,b,0);
2309 padcolor[2] = RGB_TO_V(r,g,b,0);
2310 }
2311
2312 static void opt_frame_pad_top(const char *arg)
2313 {
2314 frame_padtop = atoi(arg);
2315 if (frame_padtop < 0) {
2316 fprintf(stderr, "Incorrect top pad size\n");
2317 exit(1);
2318 }
2319 if ((frame_padtop % 2) != 0) {
2320 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2321 exit(1);
2322 }
2323 }
2324
2325 static void opt_frame_pad_bottom(const char *arg)
2326 {
2327 frame_padbottom = atoi(arg);
2328 if (frame_padbottom < 0) {
2329 fprintf(stderr, "Incorrect bottom pad size\n");
2330 exit(1);
2331 }
2332 if ((frame_padbottom % 2) != 0) {
2333 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2334 exit(1);
2335 }
2336 }
2337
2338
2339 static void opt_frame_pad_left(const char *arg)
2340 {
2341 frame_padleft = atoi(arg);
2342 if (frame_padleft < 0) {
2343 fprintf(stderr, "Incorrect left pad size\n");
2344 exit(1);
2345 }
2346 if ((frame_padleft % 2) != 0) {
2347 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2348 exit(1);
2349 }
2350 }
2351
2352
2353 static void opt_frame_pad_right(const char *arg)
2354 {
2355 frame_padright = atoi(arg);
2356 if (frame_padright < 0) {
2357 fprintf(stderr, "Incorrect right pad size\n");
2358 exit(1);
2359 }
2360 if ((frame_padright % 2) != 0) {
2361 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2362 exit(1);
2363 }
2364 }
2365
2366 void list_pix_fmts(void)
2367 {
2368 int i;
2369 char pix_fmt_str[128];
2370 for (i=-1; i < PIX_FMT_NB; i++) {
2371 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2372 fprintf(stdout, "%s\n", pix_fmt_str);
2373 }
2374 }
2375
2376 static void opt_frame_pix_fmt(const char *arg)
2377 {
2378 if (strcmp(arg, "list"))
2379 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2380 else {
2381 list_pix_fmts();
2382 exit(0);
2383 }
2384 }
2385
2386 static void opt_frame_aspect_ratio(const char *arg)
2387 {
2388 int x = 0, y = 0;
2389 double ar = 0;
2390 const char *p;
2391
2392 p = strchr(arg, ':');
2393 if (p) {
2394 x = strtol(arg, (char **)&arg, 10);
2395 if (arg == p)
2396 y = strtol(arg+1, (char **)&arg, 10);
2397 if (x > 0 && y > 0)
2398 ar = (double)x / (double)y;
2399 } else
2400 ar = strtod(arg, (char **)&arg);
2401
2402 if (!ar) {
2403 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2404 exit(1);
2405 }
2406 frame_aspect_ratio = ar;
2407 }
2408
2409 static void opt_qscale(const char *arg)
2410 {
2411 video_qscale = atof(arg);
2412 if (video_qscale <= 0 ||
2413 video_qscale > 255) {
2414 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2415 exit(1);
2416 }
2417 }
2418
2419 static void opt_qdiff(const char *arg)
2420 {
2421 video_qdiff = atoi(arg);
2422 if (video_qdiff < 0 ||
2423 video_qdiff > 31) {
2424 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2425 exit(1);
2426 }
2427 }
2428
2429 static void opt_strict(const char *arg)
2430 {
2431 strict= atoi(arg);
2432 }
2433
2434 static void opt_top_field_first(const char *arg)
2435 {
2436 top_field_first= atoi(arg);
2437 }
2438
2439 static void opt_thread_count(const char *arg)
2440 {
2441 thread_count= atoi(arg);
2442 #if !defined(HAVE_THREADS)
2443 if (verbose >= 0)
2444 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2445 #endif
2446 }
2447
2448 static void opt_audio_rate(const char *arg)
2449 {
2450 audio_sample_rate = atoi(arg);
2451 }
2452
2453 static void opt_audio_channels(const char *arg)
2454 {
2455 audio_channels = atoi(arg);
2456 }
2457
2458 static void opt_video_channel(const char *arg)
2459 {
2460 video_channel = strtol(arg, NULL, 0);
2461 }
2462
2463 static void opt_video_standard(const char *arg)
2464 {
2465 video_standard = av_strdup(arg);
2466 }
2467
2468 static void opt_codec(int *pstream_copy, char **pcodec_name,
2469 int codec_type, const char *arg)
2470 {
2471 av_freep(pcodec_name);
2472 if (!strcmp(arg, "copy")) {
2473 *pstream_copy = 1;
2474 } else {
2475 *pcodec_name = av_strdup(arg);
2476 }
2477 }
2478
2479 static void opt_audio_codec(const char *arg)
2480 {
2481 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2482 }
2483
2484 static void opt_audio_tag(const char *arg)
2485 {
2486 char *tail;
2487 audio_codec_tag= strtol(arg, &tail, 0);
2488
2489 if(!tail || *tail)
2490 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2491 }
2492
2493 static void opt_video_tag(const char *arg)
2494 {
2495 char *tail;
2496 video_codec_tag= strtol(arg, &tail, 0);
2497
2498 if(!tail || *tail)
2499 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2500 }
2501
2502 #ifdef CONFIG_VHOOK
2503 static void add_frame_hooker(const char *arg)
2504 {
2505 int argc = 0;
2506 char *argv[64];
2507 int i;
2508 char *args = av_strdup(arg);
2509
2510 using_vhook = 1;
2511
2512 argv[0] = strtok(args, " ");
2513 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2514 }
2515
2516 i = frame_hook_add(argc, argv);
2517
2518 if (i != 0) {
2519 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2520 exit(1);
2521 }
2522 }
2523 #endif
2524
2525 static void opt_video_codec(const char *arg)
2526 {
2527 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2528 }
2529
2530 static void opt_subtitle_codec(const char *arg)
2531 {
2532 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2533 }
2534
2535 static void opt_map(const char *arg)
2536 {
2537 AVStreamMap *m;
2538 const char *p;
2539
2540 p = arg;
2541 m = &stream_maps[nb_stream_maps++];
2542
2543 m->file_index = strtol(arg, (char **)&p, 0);
2544 if (*p)
2545 p++;
2546
2547 m->stream_index = strtol(p, (char **)&p, 0);
2548 if (*p) {
2549 p++;
2550 m->sync_file_index = strtol(p, (char **)&p, 0);
2551 if (*p)
2552 p++;
2553 m->sync_stream_index = strtol(p, (char **)&p, 0);
2554 } else {
2555 m->sync_file_index = m->file_index;
2556 m->sync_stream_index = m->stream_index;
2557 }
2558 }
2559
2560 static void opt_map_meta_data(const char *arg)
2561 {
2562 AVMetaDataMap *m;
2563 const char *p;
2564
2565 p = arg;
2566 m = &meta_data_maps[nb_meta_data_maps++];
2567
2568 m->out_file = strtol(arg, (char **)&p, 0);
2569 if (*p)
2570 p++;
2571
2572 m->in_file = strtol(p, (char **)&p, 0);
2573 }
2574
2575 static int64_t parse_time_or_die(const char *timestr, int is_duration)
2576 {
2577 int64_t us = parse_date(timestr, is_duration);
2578 if (us == INT64_MIN) {
2579 fprintf(stderr, "Invalid %s specification: %s\n",
2580 is_duration ? "duration" : "date", timestr);
2581 exit(1);
2582 }
2583 return us;
2584 }
2585
2586 static void opt_recording_time(const char *arg)
2587 {
2588 recording_time = parse_time_or_die(arg, 1);
2589 }
2590
2591 static void opt_start_time(const char *arg)
2592 {
2593 start_time = parse_time_or_die(arg, 1);
2594 }
2595
2596 static void opt_rec_timestamp(const char *arg)
2597 {
2598 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
2599 }
2600
2601 static void opt_input_ts_offset(const char *arg)
2602 {
2603 input_ts_offset = parse_time_or_die(arg, 1);
2604 }
2605
2606 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2607 {
2608 char *codec_string = encoder ? "encoder" : "decoder";
2609 AVCodec *codec;
2610
2611 if(!name)
2612 return CODEC_ID_NONE;
2613 codec = encoder ?
2614 avcodec_find_encoder_by_name(name) :
2615 avcodec_find_decoder_by_name(name);
2616 if(!codec) {
2617 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2618 exit(1);
2619 }
2620 if(codec->type != type) {
2621 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2622 exit(1);
2623 }
2624 return codec->id;
2625 }
2626
2627 static void opt_input_file(const char *filename)
2628 {
2629 AVFormatContext *ic;
2630 AVFormatParameters params, *ap = &params;
2631 int err, i, ret, rfps, rfps_base;
2632 int64_t timestamp;
2633
2634 if (!strcmp(filename, "-"))
2635 filename = "pipe:";
2636
2637 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2638 !strcmp( filename, "/dev/stdin" );
2639
2640 /* get default parameters from command line */
2641 ic = av_alloc_format_context();
2642
2643 memset(ap, 0, sizeof(*ap));
2644 ap->prealloced_context = 1;
2645 ap->sample_rate = audio_sample_rate;
2646 ap->channels = audio_channels;
2647 ap->time_base.den = frame_rate.num;
2648 ap->time_base.num = frame_rate.den;
2649 ap->width = frame_width + frame_padleft + frame_padright;
2650 ap->height = frame_height + frame_padtop + frame_padbottom;
2651 ap->pix_fmt = frame_pix_fmt;
2652 ap->channel = video_channel;
2653 ap->standard = video_standard;
2654 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2655 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2656 if(pgmyuv_compatibility_hack)
2657 ap->video_codec_id= CODEC_ID_PGMYUV;
2658
2659 for(i=0; i<opt_name_count; i++){
2660 char buf[256];
2661 const AVOption *opt;
2662 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2663 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2664 av_set_string(ic, opt_names[i], str);
2665 }
2666
2667 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2668 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2669 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2670
2671 /* open the input file with generic libav function */
2672 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2673 if (err < 0) {
2674 print_error(filename, err);
2675 exit(1);
2676 }
2677 if(opt_programid) {
2678 int i;
2679 for(i=0; i<ic->nb_programs; i++)
2680 if(ic->programs[i]->id != opt_programid)
2681 ic->programs[i]->discard = AVDISCARD_ALL;
2682 }
2683
2684 ic->loop_input = loop_input;
2685
2686 /* If not enough info to get the stream parameters, we decode the
2687 first frames to get it. (used in mpeg case for example) */
2688 ret = av_find_stream_info(ic);
2689 if (ret < 0 && verbose >= 0) {
2690 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2691 exit(1);
2692 }
2693
2694 timestamp = start_time;
2695 /* add the stream start time */
2696 if (ic->start_time != AV_NOPTS_VALUE)
2697 timestamp += ic->start_time;
2698
2699 /* if seeking requested, we execute it */
2700 if (start_time != 0) {
2701 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2702 if (ret < 0) {
2703 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2704 filename, (double)timestamp / AV_TIME_BASE);
2705 }
2706 /* reset seek info */
2707 start_time = 0;
2708 }
2709
2710 /* update the current parameters so that they match the one of the input stream */
2711 for(i=0;i<ic->nb_streams;i++) {
2712 int j;
2713 AVCodecContext *enc = ic->streams[i]->codec;
2714 if(thread_count>1)
2715 avcodec_thread_init(enc, thread_count);
2716 enc->thread_count= thread_count;
2717 switch(enc->codec_type) {
2718 case CODEC_TYPE_AUDIO:
2719 for(j=0; j<opt_name_count; j++){
2720 char buf[256];
2721 const AVOption *opt;
2722 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2723 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2724 av_set_string(enc, opt_names[j], str);
2725 }
2726 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2727 audio_channels = enc->channels;
2728 audio_sample_rate = enc->sample_rate;
2729 if(audio_disable)
2730 ic->streams[i]->discard= AVDISCARD_ALL;
2731 break;
2732 case CODEC_TYPE_VIDEO:
2733 for(j=0; j<opt_name_count; j++){
2734 char buf[256];
2735 const AVOption *opt;
2736 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2737 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2738 av_set_string(enc, opt_names[j], str);
2739 }
2740 frame_height = enc->height;
2741 frame_width = enc->width;
2742 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2743 frame_pix_fmt = enc->pix_fmt;
2744 rfps = ic->streams[i]->r_frame_rate.num;
2745 rfps_base = ic->streams[i]->r_frame_rate.den;
2746 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2747 if(me_threshold)
2748 enc->debug |= FF_DEBUG_MV;
2749
2750 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2751
2752 if (verbose >= 0)
2753 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2754 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2755
2756 (float)rfps / rfps_base, rfps, rfps_base);
2757 }
2758 /* update the current frame rate to match the stream frame rate */
2759 frame_rate.num = rfps;
2760 frame_rate.den = rfps_base;
2761
2762 enc->rate_emu = rate_emu;
2763 if(video_disable)
2764 ic->streams[i]->discard= AVDISCARD_ALL;
2765 else if(video_discard)
2766 ic->streams[i]->discard= video_discard;
2767 break;
2768 case CODEC_TYPE_DATA:
2769 break;
2770 case CODEC_TYPE_SUBTITLE:
2771 if(subtitle_disable)
2772 ic->streams[i]->discard = AVDISCARD_ALL;
2773 break;
2774 case CODEC_TYPE_UNKNOWN:
2775 break;
2776 default:
2777 abort();
2778 }
2779 }
2780
2781 input_files[nb_input_files] = ic;
2782 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2783 /* dump the file content */
2784 if (verbose >= 0)
2785 dump_format(ic, nb_input_files, filename, 0);
2786
2787 nb_input_files++;
2788 file_iformat = NULL;
2789 file_oformat = NULL;
2790
2791 video_channel = 0;
2792
2793 rate_emu = 0;
2794 av_freep(&video_codec_name);
2795 av_freep(&audio_codec_name);
2796 av_freep(&subtitle_codec_name);
2797 }
2798
2799 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2800 int *has_subtitle_ptr)
2801 {
2802 int has_video, has_audio, has_subtitle, i, j;
2803 AVFormatContext *ic;
2804
2805 has_video = 0;
2806 has_audio = 0;
2807 has_subtitle = 0;
2808 for(j=0;j<nb_input_files;j++) {
2809 ic = input_files[j];
2810 for(i=0;i<ic->nb_streams;i++) {
2811 AVCodecContext *enc = ic->streams[i]->codec;
2812 switch(enc->codec_type) {
2813 case CODEC_TYPE_AUDIO:
2814 has_audio = 1;
2815 break;
2816 case CODEC_TYPE_VIDEO:
2817 has_video = 1;
2818 break;
2819 case CODEC_TYPE_SUBTITLE:
2820 has_subtitle = 1;
2821 break;
2822 case CODEC_TYPE_DATA:
2823 case CODEC_TYPE_UNKNOWN:
2824 break;
2825 default:
2826 abort();
2827 }
2828 }
2829 }
2830 *has_video_ptr = has_video;
2831 *has_audio_ptr = has_audio;
2832 *has_subtitle_ptr = has_subtitle;
2833 }
2834
2835 static void new_video_stream(AVFormatContext *oc)
2836 {
2837 AVStream *st;
2838 AVCodecContext *video_enc;
2839 int codec_id;
2840
2841 st = av_new_stream(oc, oc->nb_streams);
2842 if (!st) {
2843 fprintf(stderr, "Could not alloc stream\n");
2844 exit(1);
2845 }
2846 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2847 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2848 video_bitstream_filters= NULL;
2849
2850 if(thread_count>1)
2851 avcodec_thread_init(st->codec, thread_count);
2852
2853 video_enc = st->codec;
2854
2855 if(video_codec_tag)
2856 video_enc->codec_tag= video_codec_tag;
2857
2858 if( (video_global_header&1)
2859 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2860 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2861 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2862 }
2863 if(video_global_header&2){
2864 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2865 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2866 }
2867
2868 if (video_stream_copy) {
2869 st->stream_copy = 1;
2870 video_enc->codec_type = CODEC_TYPE_VIDEO;
2871 } else {
2872 const char *p;
2873 int i;
2874 AVCodec *codec;
2875 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2876
2877 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2878 if (video_codec_name)
2879 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2880
2881 video_enc->codec_id = codec_id;
2882 codec = avcodec_find_encoder(codec_id);
2883
2884 for(i=0; i<opt_name_count; i++){
2885 char buf[256];
2886 const AVOption *opt;
2887 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2888 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2889 av_set_string(video_enc, opt_names[i], str);
2890 }
2891
2892 video_enc->time_base.den = fps.num;
2893 video_enc->time_base.num = fps.den;
2894 if(codec && codec->supported_framerates){
2895 const AVRational *p= codec->supported_framerates;
2896 const AVRational *best=NULL;
2897 AVRational best_error= (AVRational){INT_MAX, 1};
2898 for(; p->den!=0; p++){
2899 AVRational error= av_sub_q(fps, *p);
2900 if(error.num <0) error.num *= -1;
2901 if(av_cmp_q(error, best_error) < 0){
2902 best_error= error;
2903 best= p;
2904 }
2905 }
2906 video_enc->time_base.den= best->num;
2907 video_enc->time_base.num= best->den;
2908 }
2909
2910 video_enc->width = frame_width + frame_padright + frame_padleft;
2911 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2912 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2913 video_enc->pix_fmt = frame_pix_fmt;
2914
2915 if(codec && codec->pix_fmts){
2916 const enum PixelFormat *p= codec->pix_fmts;
2917 for(; *p!=-1; p++){
2918 if(*p == video_enc->pix_fmt)
2919 break;
2920 }
2921 if(*p == -1)
2922 video_enc->pix_fmt = codec->pix_fmts[0];
2923 }
2924
2925 if (intra_only)
2926 video_enc->gop_size = 0;
2927 if (video_qscale || same_quality) {
2928 video_enc->flags |= CODEC_FLAG_QSCALE;
2929 video_enc->global_quality=
2930 st->quality = FF_QP2LAMBDA * video_qscale;
2931 }
2932
2933 if(intra_matrix)
2934 video_enc->intra_matrix = intra_matrix;
2935 if(inter_matrix)
2936 video_enc->inter_matrix = inter_matrix;
2937
2938 video_enc->max_qdiff = video_qdiff;
2939 video_enc->thread_count = thread_count;
2940 p= video_rc_override_string;
2941 for(i=0; p; i++){
2942 int start, end, q;
2943 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2944 if(e!=3){
2945 fprintf(stderr, "error parsing rc_override\n");
2946 exit(1);
2947 }
2948 video_enc->rc_override=
2949 av_realloc(video_enc->rc_override,
2950 sizeof(RcOverride)*(i+1));
2951 video_enc->rc_override[i].start_frame= start;
2952 video_enc->rc_override[i].end_frame = end;
2953 if(q>0){
2954 video_enc->rc_override[i].qscale= q;
2955 video_enc->rc_override[i].quality_factor= 1.0;
2956 }
2957 else{
2958 video_enc->rc_override[i].qscale= 0;
2959 video_enc->rc_override[i].quality_factor= -q/100.0;
2960 }
2961 p= strchr(p, '/');
2962 if(p) p++;
2963 }
2964 video_enc->rc_override_count=i;
2965 if (!video_enc->rc_initial_buffer_occupancy)
2966 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2967 video_enc->me_threshold= me_threshold;
2968 video_enc->intra_dc_precision= intra_dc_precision - 8;
2969 video_enc->strict_std_compliance = strict;
2970
2971 if (do_psnr)
2972 video_enc->flags|= CODEC_FLAG_PSNR;
2973
2974 /* two pass mode */
2975 if (do_pass) {
2976 if (do_pass == 1) {
2977 video_enc->flags |= CODEC_FLAG_PASS1;
2978 } else {
2979 video_enc->flags |= CODEC_FLAG_PASS2;
2980 }
2981 }
2982 }
2983
2984 /* reset some key parameters */
2985 video_disable = 0;
2986 av_freep(&video_codec_name);
2987 video_stream_copy = 0;
2988 }
2989
2990 static void new_audio_stream(AVFormatContext *oc)
2991 {
2992 AVStream *st;
2993 AVCodecContext *audio_enc;
2994 int codec_id, i;
2995
2996 st = av_new_stream(oc, oc->nb_streams);
2997 if (!st) {
2998 fprintf(stderr, "Could not alloc stream\n");
2999 exit(1);
3000 }
3001 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3002
3003 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3004 audio_bitstream_filters= NULL;
3005
3006 if(thread_count>1)
3007 avcodec_thread_init(st->codec, thread_count);
3008
3009 audio_enc = st->codec;
3010 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3011 audio_enc->strict_std_compliance = strict;
3012
3013 if(audio_codec_tag)
3014 audio_enc->codec_tag= audio_codec_tag;
3015
3016 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3017 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3018 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3019 }
3020 if (audio_stream_copy) {
3021 st->stream_copy = 1;
3022 audio_enc->channels = audio_channels;
3023 } else {
3024 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3025
3026 for(i=0; i<opt_name_count; i++){
3027 char buf[256];
3028 const AVOption *opt;
3029 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3030 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3031 av_set_string(audio_enc, opt_names[i], str);
3032 }
3033
3034 if (audio_codec_name)
3035 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3036 audio_enc->codec_id = codec_id;
3037
3038 if (audio_qscale > QSCALE_NONE) {
3039 audio_enc->flags |= CODEC_FLAG_QSCALE;
3040 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3041 }
3042 audio_enc->thread_count = thread_count;
3043 audio_enc->channels = audio_channels;
3044 }
3045 audio_enc->sample_rate = audio_sample_rate;
3046 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3047 if (audio_language) {
3048 av_strlcpy(st->language, audio_language, sizeof(st->language));
3049 av_free(audio_language);
3050 audio_language = NULL;
3051 }
3052
3053 /* reset some key parameters */
3054 audio_disable = 0;
3055 av_freep(&audio_codec_name);
3056 audio_stream_copy = 0;
3057 }
3058
3059 static void new_subtitle_stream(AVFormatContext *oc)
3060 {
3061 AVStream *st;
3062 AVCodecContext *subtitle_enc;
3063 int i;
3064
3065 st = av_new_stream(oc, oc->nb_streams);
3066 if (!st) {
3067 fprintf(stderr, "Could not alloc stream\n");
3068 exit(1);
3069 }
3070 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3071
3072 subtitle_enc = st->codec;
3073 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3074 if (subtitle_stream_copy) {
3075 st->stream_copy = 1;
3076 } else {
3077 for(i=0; i<opt_name_count; i++){
3078 char buf[256];
3079 const AVOption *opt;
3080 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3081 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3082 av_set_string(subtitle_enc, opt_names[i], str);
3083 }
3084 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3085 }
3086
3087 if (subtitle_language) {
3088 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3089 av_free(subtitle_language);
3090 subtitle_language = NULL;
3091 }
3092
3093 subtitle_disable = 0;
3094 av_freep(&subtitle_codec_name);
3095 subtitle_stream_copy = 0;
3096 }
3097
3098 static void opt_new_audio_stream(void)
3099 {
3100 AVFormatContext *oc;
3101 if (nb_output_files <= 0) {
3102 fprintf(stderr, "At least one output file must be specified\n");
3103 exit(1);
3104 }
3105 oc = output_files[nb_output_files - 1];
3106 new_audio_stream(oc);
3107 }
3108
3109 static void opt_new_video_stream(void)
3110 {
3111 AVFormatContext *oc;
3112 if (nb_output_files <= 0) {
3113 fprintf(stderr, "At least one output file must be specified\n");
3114 exit(1);
3115 }
3116 oc = output_files[nb_output_files - 1];
3117 new_video_stream(oc);
3118 }
3119
3120 static void opt_new_subtitle_stream(void)
3121 {
3122 AVFormatContext *oc;
3123 if (nb_output_files <= 0) {
3124 fprintf(stderr, "At least one output file must be specified\n");
3125 exit(1);
3126 }
3127 oc = output_files[nb_output_files - 1];
3128 new_subtitle_stream(oc);
3129 }
3130
3131 static void opt_output_file(const char *filename)
3132 {
3133 AVFormatContext *oc;
3134 int use_video, use_audio, use_subtitle;
3135 int input_has_video, input_has_audio, input_has_subtitle, i;
3136 AVFormatParameters params, *ap = &params;
3137
3138 if (!strcmp(filename, "-"))
3139 filename = "pipe:";
3140
3141 oc = av_alloc_format_context();
3142
3143 if (!file_oformat) {
3144 file_oformat = guess_format(NULL, filename, NULL);
3145 if (!file_oformat) {
3146 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3147 filename);
3148 exit(1);
3149 }
3150 }
3151
3152 oc->oformat = file_oformat;
3153 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3154
3155 if (!strcmp(file_oformat->name, "ffm") &&
3156 av_strstart(filename, "http:", NULL)) {
3157 /* special case for files sent to ffserver: we get the stream
3158 parameters from ffserver */
3159 if (read_ffserver_streams(oc, filename) < 0) {
3160 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3161 exit(1);
3162 }
3163 } else {
3164 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3165 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3166 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3167
3168 /* disable if no corresponding type found and at least one
3169 input file */
3170 if (nb_input_files > 0) {
3171 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3172 &input_has_subtitle);
3173 if (!input_has_video)
3174 use_video = 0;
3175 if (!input_has_audio)
3176 use_audio = 0;
3177 if (!input_has_subtitle)
3178 use_subtitle = 0;
3179 }
3180
3181 /* manual disable */
3182 if (audio_disable) {
3183 use_audio = 0;
3184 }
3185 if (video_disable) {
3186 use_video = 0;
3187 }
3188 if (subtitle_disable) {
3189 use_subtitle = 0;
3190 }
3191
3192 if (use_video) {
3193 new_video_stream(oc);
3194 }
3195
3196 if (use_audio) {
3197 new_audio_stream(oc);
3198 }
3199
3200 if (use_subtitle) {
3201 new_subtitle_stream(oc);
3202 }
3203
3204 oc->timestamp = rec_timestamp;
3205
3206 if (str_title)
3207 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3208 if (str_author)
3209 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3210 if (str_copyright)
3211 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3212 if (str_comment)
3213 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3214 if (str_album)
3215 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3216 if (str_genre)
3217 av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
3218 }
3219
3220 output_files[nb_output_files++] = oc;
3221
3222 /* check filename in case of an image number is expected */
3223 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3224 if (!av_filename_number_test(oc->filename)) {
3225 print_error(oc->filename, AVERROR_NUMEXPECTED);
3226 exit(1);
3227 }
3228 }
3229