Use av_exit() instead of exit() for a minimal cleanup
[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 #undef exit
63
64 static const char program_name[] = "FFmpeg";
65 static const int program_birth_year = 2000;
66
67 /* select an input stream for an output stream */
68 typedef struct AVStreamMap {
69 int file_index;
70 int stream_index;
71 int sync_file_index;
72 int sync_stream_index;
73 } AVStreamMap;
74
75 /** select an input file for an output file */
76 typedef struct AVMetaDataMap {
77 int out_file;
78 int in_file;
79 } AVMetaDataMap;
80
81 extern const OptionDef options[];
82
83 #define MAX_FILES 20
84
85 static AVFormatContext *input_files[MAX_FILES];
86 static int64_t input_files_ts_offset[MAX_FILES];
87 static int nb_input_files = 0;
88
89 static AVFormatContext *output_files[MAX_FILES];
90 static int nb_output_files = 0;
91
92 static AVStreamMap stream_maps[MAX_FILES];
93 static int nb_stream_maps;
94
95 static AVMetaDataMap meta_data_maps[MAX_FILES];
96 static int nb_meta_data_maps;
97
98 static AVInputFormat *file_iformat;
99 static AVOutputFormat *file_oformat;
100 static int frame_width = 0;
101 static int frame_height = 0;
102 static float frame_aspect_ratio = 0;
103 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
104 static int frame_padtop = 0;
105 static int frame_padbottom = 0;
106 static int frame_padleft = 0;
107 static int frame_padright = 0;
108 static int padcolor[3] = {16,128,128}; /* default to black */
109 static int frame_topBand = 0;
110 static int frame_bottomBand = 0;
111 static int frame_leftBand = 0;
112 static int frame_rightBand = 0;
113 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
114 static AVRational frame_rate = (AVRational) {0,0};
115 static float video_qscale = 0;
116 static int video_qdiff = 3;
117 static uint16_t *intra_matrix = NULL;
118 static uint16_t *inter_matrix = NULL;
119 #if 0 //experimental, (can be removed)
120 static float video_rc_qsquish=1.0;
121 static float video_rc_qmod_amp=0;
122 static int video_rc_qmod_freq=0;
123 #endif
124 static const char *video_rc_override_string=NULL;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static char *video_codec_name = NULL;
128 static int video_codec_tag = 0;
129 static int same_quality = 0;
130 static int do_deinterlace = 0;
131 static int strict = 0;
132 static int top_field_first = -1;
133 static int me_threshold = 0;
134 static int intra_dc_precision = 8;
135 static int loop_input = 0;
136 static int loop_output = AVFMT_NOOUTPUTLOOP;
137 static int qp_hist = 0;
138
139 static int intra_only = 0;
140 static int audio_sample_rate = 44100;
141 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static char *audio_codec_name = NULL;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
148
149 static int subtitle_disable = 0;
150 static char *subtitle_codec_name = NULL;
151 static char *subtitle_language = NULL;
152
153 static float mux_preload= 0.5;
154 static float mux_max_delay= 0.7;
155
156 static int64_t recording_time = 0;
157 static int64_t start_time = 0;
158 static int64_t rec_timestamp = 0;
159 static int64_t input_ts_offset = 0;
160 static int file_overwrite = 0;
161 static char *str_title = NULL;
162 static char *str_author = NULL;
163 static char *str_copyright = NULL;
164 static char *str_comment = NULL;
165 static char *str_genre = NULL;
166 static char *str_album = NULL;
167 static int do_benchmark = 0;
168 static int do_hex_dump = 0;
169 static int do_pkt_dump = 0;
170 static int do_psnr = 0;
171 static int do_pass = 0;
172 static char *pass_logfilename = NULL;
173 static int audio_stream_copy = 0;
174 static int video_stream_copy = 0;
175 static int subtitle_stream_copy = 0;
176 static int video_sync_method= 1;
177 static int audio_sync_method= 0;
178 static float audio_drift_threshold= 0.1;
179 static int copy_ts= 0;
180 static int opt_shortest = 0; //
181 static int video_global_header = 0;
182 static char *vstats_filename;
183 static FILE *vstats_file;
184 static int opt_programid = 0;
185
186 static int rate_emu = 0;
187
188 static int video_channel = 0;
189 static char *video_standard;
190
191 static int audio_volume = 256;
192
193 static int using_stdin = 0;
194 static int using_vhook = 0;
195 static int verbose = 1;
196 static int thread_count= 1;
197 static int q_pressed = 0;
198 static int64_t video_size = 0;
199 static int64_t audio_size = 0;
200 static int64_t extra_size = 0;
201 static int nb_frames_dup = 0;
202 static int nb_frames_drop = 0;
203 static int input_sync;
204 static uint64_t limit_filesize = 0; //
205
206 static int pgmyuv_compatibility_hack=0;
207 static float dts_delta_threshold = 10;
208
209 static unsigned int sws_flags = SWS_BICUBIC;
210
211 static const char **opt_names;
212 static int opt_name_count;
213 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214 static AVFormatContext *avformat_opts;
215 static struct SwsContext *sws_opts;
216 static int64_t timer_start;
217
218 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
222
223 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
224
225 struct AVInputStream;
226
227 typedef struct AVOutputStream {
228 int file_index; /* file index */
229 int index; /* stream index in the output file */
230 int source_index; /* AVInputStream index */
231 AVStream *st; /* stream in the output file */
232 int encoding_needed; /* true if encoding needed for this stream */
233 int frame_number;
234 /* input pts and corresponding output pts
235 for A/V sync */
236 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
237 struct AVInputStream *sync_ist; /* input stream to sync against */
238 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
239 /* video only */
240 int video_resample;
241 AVFrame pict_tmp; /* temporary image for resampling */
242 struct SwsContext *img_resample_ctx; /* for image resampling */
243 int resample_height;
244
245 int video_crop;
246 int topBand; /* cropping area sizes */
247 int leftBand;
248
249 int video_pad;
250 int padtop; /* padding area sizes */
251 int padbottom;
252 int padleft;
253 int padright;
254
255 /* audio only */
256 int audio_resample;
257 ReSampleContext *resample; /* for audio resampling */
258 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
259 FILE *logfile;
260 } AVOutputStream;
261
262 typedef struct AVInputStream {
263 int file_index;
264 int index;
265 AVStream *st;
266 int discard; /* true if stream data should be discarded */
267 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
268 int64_t sample_index; /* current sample */
269
270 int64_t start; /* time when read started */
271 unsigned long frame; /* current frame */
272 int64_t next_pts; /* synthetic pts for cases where pkt.pts
273 is not defined */
274 int64_t pts; /* current pts */
275 int is_start; /* is 1 at the start and after a discontinuity */
276 } AVInputStream;
277
278 typedef struct AVInputFile {
279 int eof_reached; /* true if eof reached */
280 int ist_index; /* index of first stream in ist_table */
281 int buffer_size; /* current total buffer size */
282 int nb_streams; /* nb streams we are aware of */
283 } AVInputFile;
284
285 #ifdef HAVE_TERMIOS_H
286
287 /* init terminal so that we can grab keys */
288 static struct termios oldtty;
289 #endif
290
291 static void term_exit(void)
292 {
293 #ifdef HAVE_TERMIOS_H
294 tcsetattr (0, TCSANOW, &oldtty);
295 #endif
296 }
297
298 static volatile sig_atomic_t received_sigterm = 0;
299
300 static void
301 sigterm_handler(int sig)
302 {
303 received_sigterm = sig;
304 term_exit();
305 }
306
307 static void term_init(void)
308 {
309 #ifdef HAVE_TERMIOS_H
310 struct termios tty;
311
312 tcgetattr (0, &tty);
313 oldtty = tty;
314
315 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
316 |INLCR|IGNCR|ICRNL|IXON);
317 tty.c_oflag |= OPOST;
318 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
319 tty.c_cflag &= ~(CSIZE|PARENB);
320 tty.c_cflag |= CS8;
321 tty.c_cc[VMIN] = 1;
322 tty.c_cc[VTIME] = 0;
323
324 tcsetattr (0, TCSANOW, &tty);
325 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
326 #endif
327
328 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
329 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
330 /*
331 register a function to be called at normal program termination
332 */
333 atexit(term_exit);
334 #ifdef CONFIG_BEOS_NETSERVER
335 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
336 #endif
337 }
338
339 /* read a key without blocking */
340 static int read_key(void)
341 {
342 #if defined(HAVE_TERMIOS_H)
343 int n = 1;
344 unsigned char ch;
345 #ifndef CONFIG_BEOS_NETSERVER
346 struct timeval tv;
347 fd_set rfds;
348
349 FD_ZERO(&rfds);
350 FD_SET(0, &rfds);
351 tv.tv_sec = 0;
352 tv.tv_usec = 0;
353 n = select(1, &rfds, NULL, NULL, &tv);
354 #endif
355 if (n > 0) {
356 n = read(0, &ch, 1);
357 if (n == 1)
358 return ch;
359
360 return n;
361 }
362 #elif defined(HAVE_CONIO_H)
363 if(kbhit())
364 return(getch());
365 #endif
366 return -1;
367 }
368
369 static int decode_interrupt_cb(void)
370 {
371 return q_pressed || (q_pressed = read_key() == 'q');
372 }
373
374 static int av_exit(int ret)
375 {
376 int i;
377
378 /* close files */
379 for(i=0;i<nb_output_files;i++) {
380 /* maybe av_close_output_file ??? */
381 AVFormatContext *s = output_files[i];
382 int j;
383 if (!(s->oformat->flags & AVFMT_NOFILE))
384 url_fclose(s->pb);
385 for(j=0;j<s->nb_streams;j++) {
386 av_free(s->streams[j]->codec);
387 av_free(s->streams[j]);
388 }
389 av_free(s);
390 }
391 for(i=0;i<nb_input_files;i++)
392 av_close_input_file(input_files[i]);
393
394 av_free_static();
395
396 av_free(intra_matrix);
397 av_free(inter_matrix);
398
399 if (vstats_file)
400 fclose(vstats_file);
401 av_free(vstats_filename);
402
403 av_free(opt_names);
404
405 av_free(video_codec_name);
406 av_free(audio_codec_name);
407 av_free(subtitle_codec_name);
408
409 av_free(video_standard);
410
411 #ifdef CONFIG_POWERPC_PERF
412 extern void powerpc_display_perf_report(void);
413 powerpc_display_perf_report();
414 #endif /* CONFIG_POWERPC_PERF */
415
416 if (received_sigterm) {
417 fprintf(stderr,
418 "Received signal %d: terminating.\n",
419 (int) received_sigterm);
420 exit (255);
421 }
422
423 exit(ret); /* not all OS-es handle main() return value */
424 return ret;
425 }
426
427 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
428 {
429 int i, err;
430 AVFormatContext *ic;
431
432 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
433 if (err < 0)
434 return err;
435 /* copy stream format */
436 s->nb_streams = ic->nb_streams;
437 for(i=0;i<ic->nb_streams;i++) {
438 AVStream *st;
439
440 // FIXME: a more elegant solution is needed
441 st = av_mallocz(sizeof(AVStream));
442 memcpy(st, ic->streams[i], sizeof(AVStream));
443 st->codec = avcodec_alloc_context();
444 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
445 s->streams[i] = st;
446 }
447
448 av_close_input_file(ic);
449 return 0;
450 }
451
452 static double
453 get_sync_ipts(const AVOutputStream *ost)
454 {
455 const AVInputStream *ist = ost->sync_ist;
456 return (double)(ist->pts - start_time)/AV_TIME_BASE;
457 }
458
459 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
460 int ret;
461
462 while(bsfc){
463 AVPacket new_pkt= *pkt;
464 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
465 &new_pkt.data, &new_pkt.size,
466 pkt->data, pkt->size,
467 pkt->flags & PKT_FLAG_KEY);
468 if(a>0){
469 av_free_packet(pkt);
470 new_pkt.destruct= av_destruct_packet;
471 } else if(a<0){
472 fprintf(stderr, "%s failed for stream %d, codec %s",
473 bsfc->filter->name, pkt->stream_index,
474 avctx->codec ? avctx->codec->name : "copy");
475 print_error("", a);
476 }
477 *pkt= new_pkt;
478
479 bsfc= bsfc->next;
480 }
481
482 ret= av_interleaved_write_frame(s, pkt);
483 if(ret < 0){
484 print_error("av_interleaved_write_frame()", ret);
485 av_exit(1);
486 }
487 }
488
489 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
490
491 static void do_audio_out(AVFormatContext *s,
492 AVOutputStream *ost,
493 AVInputStream *ist,
494 unsigned char *buf, int size)
495 {
496 uint8_t *buftmp;
497 static uint8_t *audio_buf = NULL;
498 static uint8_t *audio_out = NULL;
499 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
500
501 int size_out, frame_bytes, ret;
502 AVCodecContext *enc= ost->st->codec;
503 AVCodecContext *dec= ist->st->codec;
504
505 /* SC: dynamic allocation of buffers */
506 if (!audio_buf)
507 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
508 if (!audio_out)
509 audio_out = av_malloc(audio_out_size);
510 if (!audio_buf || !audio_out)
511 return; /* Should signal an error ! */
512
513 if (enc->channels != dec->channels)
514 ost->audio_resample = 1;
515
516 if (ost->audio_resample && !ost->resample) {
517 ost->resample = audio_resample_init(enc->channels, dec->channels,
518 enc->sample_rate, dec->sample_rate);
519 if (!ost->resample) {
520 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
521 dec->channels, dec->sample_rate,
522 enc->channels, enc->sample_rate);
523 av_exit(1);
524 }
525 }
526
527 if(audio_sync_method){
528 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
529 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
530 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
531 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
532
533 //FIXME resample delay
534 if(fabs(delta) > 50){
535 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
536 if(byte_delta < 0){
537 byte_delta= FFMAX(byte_delta, -size);
538 size += byte_delta;
539 buf -= byte_delta;
540 if(verbose > 2)
541 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
542 if(!size)
543 return;
544 ist->is_start=0;
545 }else{
546 static uint8_t *input_tmp= NULL;
547 input_tmp= av_realloc(input_tmp, byte_delta + size);
548
549 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
550 ist->is_start=0;
551 else
552 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
553
554 memset(input_tmp, 0, byte_delta);
555 memcpy(input_tmp + byte_delta, buf, size);
556 buf= input_tmp;
557 size += byte_delta;
558 if(verbose > 2)
559 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
560 }
561 }else if(audio_sync_method>1){
562 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
563 assert(ost->audio_resample);
564 if(verbose > 2)
565 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
566 // 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));
567 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
568 }
569 }
570 }else
571 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
572 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
573
574 if (ost->audio_resample) {
575 buftmp = audio_buf;
576 size_out = audio_resample(ost->resample,
577 (short *)buftmp, (short *)buf,
578 size / (ist->st->codec->channels * 2));
579 size_out = size_out * enc->channels * 2;
580 } else {
581 buftmp = buf;
582 size_out = size;
583 }
584
585 /* now encode as many frames as possible */
586 if (enc->frame_size > 1) {
587 /* output resampled raw samples */
588 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out + 1);
589 av_fifo_write(&ost->fifo, buftmp, size_out);
590
591 frame_bytes = enc->frame_size * 2 * enc->channels;
592
593 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
594 AVPacket pkt;
595 av_init_packet(&pkt);
596
597 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
598
599 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
600 (short *)audio_buf);
601 audio_size += ret;
602 pkt.stream_index= ost->index;
603 pkt.data= audio_out;
604 pkt.size= ret;
605 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
606 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
607 pkt.flags |= PKT_FLAG_KEY;
608 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
609
610 ost->sync_opts += enc->frame_size;
611 }
612 } else {
613 AVPacket pkt;
614 av_init_packet(&pkt);
615
616 ost->sync_opts += size_out / (2 * enc->channels);
617
618 /* output a pcm frame */
619 /* XXX: change encoding codec API to avoid this ? */
620 switch(enc->codec->id) {
621 case CODEC_ID_PCM_S32LE:
622 case CODEC_ID_PCM_S32BE:
623 case CODEC_ID_PCM_U32LE:
624 case CODEC_ID_PCM_U32BE:
625 size_out = size_out << 1;
626 break;
627 case CODEC_ID_PCM_S24LE:
628 case CODEC_ID_PCM_S24BE:
629 case CODEC_ID_PCM_U24LE:
630 case CODEC_ID_PCM_U24BE:
631 case CODEC_ID_PCM_S24DAUD:
632 size_out = size_out / 2 * 3;
633 break;
634 case CODEC_ID_PCM_S16LE:
635 case CODEC_ID_PCM_S16BE:
636 case CODEC_ID_PCM_U16LE:
637 case CODEC_ID_PCM_U16BE:
638 break;
639 default:
640 size_out = size_out >> 1;
641 break;
642 }
643 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
644 ret = avcodec_encode_audio(enc, audio_out, size_out,
645 (short *)buftmp);
646 audio_size += ret;
647 pkt.stream_index= ost->index;
648 pkt.data= audio_out;
649 pkt.size= ret;
650 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
651 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
652 pkt.flags |= PKT_FLAG_KEY;
653 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
654 }
655 }
656
657 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
658 {
659 AVCodecContext *dec;
660 AVPicture *picture2;
661 AVPicture picture_tmp;
662 uint8_t *buf = 0;
663
664 dec = ist->st->codec;
665
666 /* deinterlace : must be done before any resize */
667 if (do_deinterlace || using_vhook) {
668 int size;
669
670 /* create temporary picture */
671 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
672 buf = av_malloc(size);
673 if (!buf)
674 return;
675
676 picture2 = &picture_tmp;
677 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
678
679 if (do_deinterlace){
680 if(avpicture_deinterlace(picture2, picture,
681 dec->pix_fmt, dec->width, dec->height) < 0) {
682 /* if error, do not deinterlace */
683 av_free(buf);
684 buf = NULL;
685 picture2 = picture;
686 }
687 } else {
688 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
689 }
690 } else {
691 picture2 = picture;
692 }
693
694 if (ENABLE_VHOOK)
695 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
696 1000000 * ist->pts / AV_TIME_BASE);
697
698 if (picture != picture2)
699 *picture = *picture2;
700 *bufp = buf;
701 }
702
703 /* we begin to correct av delay at this threshold */
704 #define AV_DELAY_MAX 0.100
705
706 static void do_subtitle_out(AVFormatContext *s,
707 AVOutputStream *ost,
708 AVInputStream *ist,
709 AVSubtitle *sub,
710 int64_t pts)
711 {
712 static uint8_t *subtitle_out = NULL;
713 int subtitle_out_max_size = 65536;
714 int subtitle_out_size, nb, i;
715 AVCodecContext *enc;
716 AVPacket pkt;
717
718 if (pts == AV_NOPTS_VALUE) {
719 fprintf(stderr, "Subtitle packets must have a pts\n");
720 return;
721 }
722
723 enc = ost->st->codec;
724
725 if (!subtitle_out) {
726 subtitle_out = av_malloc(subtitle_out_max_size);
727 }
728
729 /* Note: DVB subtitle need one packet to draw them and one other
730 packet to clear them */
731 /* XXX: signal it in the codec context ? */
732 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
733 nb = 2;
734 else
735 nb = 1;
736
737 for(i = 0; i < nb; i++) {
738 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
739 subtitle_out_max_size, sub);
740
741 av_init_packet(&pkt);
742 pkt.stream_index = ost->index;
743 pkt.data = subtitle_out;
744 pkt.size = subtitle_out_size;
745 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
746 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
747 /* XXX: the pts correction is handled here. Maybe handling
748 it in the codec would be better */
749 if (i == 0)
750 pkt.pts += 90 * sub->start_display_time;
751 else
752 pkt.pts += 90 * sub->end_display_time;
753 }
754 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
755 }
756 }
757
758 static int bit_buffer_size= 1024*256;
759 static uint8_t *bit_buffer= NULL;
760
761 static void do_video_out(AVFormatContext *s,
762 AVOutputStream *ost,
763 AVInputStream *ist,
764 AVFrame *in_picture,
765 int *frame_size)
766 {
767 int nb_frames, i, ret;
768 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
769 AVFrame picture_crop_temp, picture_pad_temp;
770 AVCodecContext *enc, *dec;
771
772 avcodec_get_frame_defaults(&picture_crop_temp);
773 avcodec_get_frame_defaults(&picture_pad_temp);
774
775 enc = ost->st->codec;
776 dec = ist->st->codec;
777
778 /* by default, we output a single frame */
779 nb_frames = 1;
780
781 *frame_size = 0;
782
783 if(video_sync_method){
784 double vdelta;
785 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
786 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
787 if (vdelta < -1.1)
788 nb_frames = 0;
789 else if (video_sync_method == 2)
790 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
791 else if (vdelta > 1.1)
792 nb_frames = lrintf(vdelta);
793 //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);
794 if (nb_frames == 0){
795 ++nb_frames_drop;
796 if (verbose>2)
797 fprintf(stderr, "*** drop!\n");
798 }else if (nb_frames > 1) {
799 nb_frames_dup += nb_frames;
800 if (verbose>2)
801 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
802 }
803 }else
804 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
805
806 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
807 if (nb_frames <= 0)
808 return;
809
810 if (ost->video_crop) {
811 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
812 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
813 return;
814 }
815 formatted_picture = &picture_crop_temp;
816 } else {
817 formatted_picture = in_picture;
818 }
819
820 final_picture = formatted_picture;
821 padding_src = formatted_picture;
822 resampling_dst = &ost->pict_tmp;
823 if (ost->video_pad) {
824 final_picture = &ost->pict_tmp;
825 if (ost->video_resample) {
826 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
827 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
828 return;
829 }
830 resampling_dst = &picture_pad_temp;
831 }
832 }
833
834 if (ost->video_resample) {
835 padding_src = NULL;
836 final_picture = &ost->pict_tmp;
837 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
838 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
839 }
840
841 if (ost->video_pad) {
842 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
843 enc->height, enc->width, enc->pix_fmt,
844 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
845 }
846
847 /* duplicates frame if needed */
848 for(i=0;i<nb_frames;i++) {
849 AVPacket pkt;
850 av_init_packet(&pkt);
851 pkt.stream_index= ost->index;
852
853 if (s->oformat->flags & AVFMT_RAWPICTURE) {
854 /* raw pictures are written as AVPicture structure to
855 avoid any copies. We support temorarily the older
856 method. */
857 AVFrame* old_frame = enc->coded_frame;
858 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
859 pkt.data= (uint8_t *)final_picture;
860 pkt.size= sizeof(AVPicture);
861 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
862 pkt.flags |= PKT_FLAG_KEY;
863
864 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
865 enc->coded_frame = old_frame;
866 } else {
867 AVFrame big_picture;
868
869 big_picture= *final_picture;
870 /* better than nothing: use input picture interlaced
871 settings */
872 big_picture.interlaced_frame = in_picture->interlaced_frame;
873 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
874 if(top_field_first == -1)
875 big_picture.top_field_first = in_picture->top_field_first;
876 else
877 big_picture.top_field_first = top_field_first;
878 }
879
880 /* handles sameq here. This is not correct because it may
881 not be a global option */
882 if (same_quality) {
883 big_picture.quality = ist->st->quality;
884 }else
885 big_picture.quality = ost->st->quality;
886 if(!me_threshold)
887 big_picture.pict_type = 0;
888 // big_picture.pts = AV_NOPTS_VALUE;
889 big_picture.pts= ost->sync_opts;
890 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
891 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
892 ret = avcodec_encode_video(enc,
893 bit_buffer, bit_buffer_size,
894 &big_picture);
895 if (ret == -1) {
896 fprintf(stderr, "Video encoding failed\n");
897 av_exit(1);
898 }
899 //enc->frame_number = enc->real_pict_num;
900 if(ret>0){
901 pkt.data= bit_buffer;
902 pkt.size= ret;
903 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
904 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
905 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
906 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
907 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
908
909 if(enc->coded_frame && enc->coded_frame->key_frame)
910 pkt.flags |= PKT_FLAG_KEY;
911 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
912 *frame_size = ret;
913 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
914 // enc->frame_number-1, enc->real_pict_num, ret,
915 // enc->pict_type);
916 /* if two pass, output log */
917 if (ost->logfile && enc->stats_out) {
918 fprintf(ost->logfile, "%s", enc->stats_out);
919 }
920 }
921 }
922 ost->sync_opts++;
923 ost->frame_number++;
924 }
925 }
926
927 static double psnr(double d){
928 return -10.0*log(d)/log(10.0);
929 }
930
931 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
932 int frame_size)
933 {
934 AVCodecContext *enc;
935 int frame_number;
936 double ti1, bitrate, avg_bitrate;
937
938 /* this is executed just the first time do_video_stats is called */
939 if (!vstats_file) {
940 vstats_file = fopen(vstats_filename, "w");
941 if (!vstats_file) {
942 perror("fopen");
943 av_exit(1);
944 }
945 }
946
947 enc = ost->st->codec;
948 if (enc->codec_type == CODEC_TYPE_VIDEO) {
949 frame_number = ost->frame_number;
950 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
951 if (enc->flags&CODEC_FLAG_PSNR)
952 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
953
954 fprintf(vstats_file,"f_size= %6d ", frame_size);
955 /* compute pts value */
956 ti1 = ost->sync_opts * av_q2d(enc->time_base);
957 if (ti1 < 0.01)
958 ti1 = 0.01;
959
960 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
961 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
962 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
963 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
964 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
965 }
966 }
967
968 static void print_report(AVFormatContext **output_files,
969 AVOutputStream **ost_table, int nb_ostreams,
970 int is_last_report)
971 {
972 char buf[1024];
973 AVOutputStream *ost;
974 AVFormatContext *oc, *os;
975 int64_t total_size;
976 AVCodecContext *enc;
977 int frame_number, vid, i;
978 double bitrate, ti1, pts;
979 static int64_t last_time = -1;
980 static int qp_histogram[52];
981
982 if (!is_last_report) {
983 int64_t cur_time;
984 /* display the report every 0.5 seconds */
985 cur_time = av_gettime();
986 if (last_time == -1) {
987 last_time = cur_time;
988 return;
989 }
990 if ((cur_time - last_time) < 500000)
991 return;
992 last_time = cur_time;
993 }
994
995
996 oc = output_files[0];
997
998 total_size = url_fsize(oc->pb);
999 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1000 total_size= url_ftell(oc->pb);
1001
1002 buf[0] = '\0';
1003 ti1 = 1e10;
1004 vid = 0;
1005 for(i=0;i<nb_ostreams;i++) {
1006 ost = ost_table[i];
1007 os = output_files[ost->file_index];
1008 enc = ost->st->codec;
1009 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1010 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1011 enc->coded_frame && !ost->st->stream_copy ?
1012 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1013 }
1014 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1015 float t = (av_gettime()-timer_start) / 1000000.0;
1016
1017 frame_number = ost->frame_number;
1018 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1019 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1020 enc->coded_frame && !ost->st->stream_copy ?
1021 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1022 if(is_last_report)
1023 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1024 if(qp_hist && enc->coded_frame){
1025 int j;
1026 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1027 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1028 qp_histogram[qp]++;
1029 for(j=0; j<32; j++)
1030 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1031 }
1032 if (enc->flags&CODEC_FLAG_PSNR){
1033 int j;
1034 double error, error_sum=0;
1035 double scale, scale_sum=0;
1036 char type[3]= {'Y','U','V'};
1037 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1038 for(j=0; j<3; j++){
1039 if(is_last_report){
1040 error= enc->error[j];
1041 scale= enc->width*enc->height*255.0*255.0*frame_number;
1042 }else{
1043 error= enc->coded_frame->error[j];
1044 scale= enc->width*enc->height*255.0*255.0;
1045 }
1046 if(j) scale/=4;
1047 error_sum += error;
1048 scale_sum += scale;
1049 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1050 }
1051 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1052 }
1053 vid = 1;
1054 }
1055 /* compute min output value */
1056 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1057 if ((pts < ti1) && (pts > 0))
1058 ti1 = pts;
1059 }
1060 if (ti1 < 0.01)
1061 ti1 = 0.01;
1062
1063 if (verbose || is_last_report) {
1064 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1065
1066 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1067 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1068 (double)total_size / 1024, ti1, bitrate);
1069
1070 if (verbose > 1)
1071 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1072 nb_frames_dup, nb_frames_drop);
1073
1074 if (verbose >= 0)
1075 fprintf(stderr, "%s \r", buf);
1076
1077 fflush(stderr);
1078 }
1079
1080 if (is_last_report && verbose >= 0){
1081 int64_t raw= audio_size + video_size + extra_size;
1082 fprintf(stderr, "\n");
1083 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1084 video_size/1024.0,
1085 audio_size/1024.0,
1086 extra_size/1024.0,
1087 100.0*(total_size - raw)/raw
1088 );
1089 }
1090 }
1091
1092 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1093 static int output_packet(AVInputStream *ist, int ist_index,
1094 AVOutputStream **ost_table, int nb_ostreams,
1095 const AVPacket *pkt)
1096 {
1097 AVFormatContext *os;
1098 AVOutputStream *ost;
1099 uint8_t *ptr;
1100 int len, ret, i;
1101 uint8_t *data_buf;
1102 int data_size, got_picture;
1103 AVFrame picture;
1104 void *buffer_to_free;
1105 static unsigned int samples_size= 0;
1106 static short *samples= NULL;
1107 AVSubtitle subtitle, *subtitle_to_free;
1108 int got_subtitle;
1109
1110 if(ist->next_pts == AV_NOPTS_VALUE)
1111 ist->next_pts= ist->pts;
1112
1113 if (pkt == NULL) {
1114 /* EOF handling */
1115 ptr = NULL;
1116 len = 0;
1117 goto handle_eof;
1118 }
1119
1120 if(pkt->dts != AV_NOPTS_VALUE)
1121 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1122
1123 len = pkt->size;
1124 ptr = pkt->data;
1125 while (len > 0) {
1126 handle_eof:
1127 ist->pts= ist->next_pts;
1128
1129 if(len && len != pkt->size && verbose>0)
1130 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1131
1132 /* decode the packet if needed */
1133 data_buf = NULL; /* fail safe */
1134 data_size = 0;
1135 subtitle_to_free = NULL;
1136 if (ist->decoding_needed) {
1137 switch(ist->st->codec->codec_type) {
1138 case CODEC_TYPE_AUDIO:{
1139 if(pkt)
1140 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1141 data_size= samples_size;
1142 /* XXX: could avoid copy if PCM 16 bits with same
1143 endianness as CPU */
1144 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1145 ptr, len);
1146 if (ret < 0)
1147 goto fail_decode;
1148 ptr += ret;
1149 len -= ret;
1150 /* Some bug in mpeg audio decoder gives */
1151 /* data_size < 0, it seems they are overflows */
1152 if (data_size <= 0) {
1153 /* no audio frame */
1154 continue;
1155 }
1156 data_buf = (uint8_t *)samples;
1157 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1158 (ist->st->codec->sample_rate * ist->st->codec->channels);
1159 break;}
1160 case CODEC_TYPE_VIDEO:
1161 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1162 /* XXX: allocate picture correctly */
1163 avcodec_get_frame_defaults(&picture);
1164
1165 ret = avcodec_decode_video(ist->st->codec,
1166 &picture, &got_picture, ptr, len);
1167 ist->st->quality= picture.quality;
1168 if (ret < 0)
1169 goto fail_decode;
1170 if (!got_picture) {
1171 /* no picture yet */
1172 goto discard_packet;
1173 }
1174 if (ist->st->codec->time_base.num != 0) {
1175 ist->next_pts += ((int64_t)AV_TIME_BASE *
1176 ist->st->codec->time_base.num) /
1177 ist->st->codec->time_base.den;
1178 }
1179 len = 0;
1180 break;
1181 case CODEC_TYPE_SUBTITLE:
1182 ret = avcodec_decode_subtitle(ist->st->codec,
1183 &subtitle, &got_subtitle, ptr, len);
1184 if (ret < 0)
1185 goto fail_decode;
1186 if (!got_subtitle) {
1187 goto discard_packet;
1188 }
1189 subtitle_to_free = &subtitle;
1190 len = 0;
1191 break;
1192 default:
1193 goto fail_decode;
1194 }
1195 } else {
1196 switch(ist->st->codec->codec_type) {
1197 case CODEC_TYPE_AUDIO:
1198 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1199 ist->st->codec->sample_rate;
1200 break;
1201 case CODEC_TYPE_VIDEO:
1202 if (ist->st->codec->time_base.num != 0) {
1203 ist->next_pts += ((int64_t)AV_TIME_BASE *
1204 ist->st->codec->time_base.num) /
1205 ist->st->codec->time_base.den;
1206 }
1207 break;
1208 }
1209 data_buf = ptr;
1210 data_size = len;
1211 ret = len;
1212 len = 0;
1213 }
1214
1215 buffer_to_free = NULL;
1216 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1217 pre_process_video_frame(ist, (AVPicture *)&picture,
1218 &buffer_to_free);
1219 }
1220
1221 // preprocess audio (volume)
1222 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1223 if (audio_volume != 256) {
1224 short *volp;
1225 volp = samples;
1226 for(i=0;i<(data_size / sizeof(short));i++) {
1227 int v = ((*volp) * audio_volume + 128) >> 8;
1228 if (v < -32768) v = -32768;
1229 if (v > 32767) v = 32767;
1230 *volp++ = v;
1231 }
1232 }
1233 }
1234
1235 /* frame rate emulation */
1236 if (ist->st->codec->rate_emu) {
1237 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1238 int64_t now = av_gettime() - ist->start;
1239 if (pts > now)
1240 usleep(pts - now);
1241
1242 ist->frame++;
1243 }
1244
1245 #if 0
1246 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1247 is the one of the next displayed one */
1248 /* XXX: add mpeg4 too ? */
1249 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1250 if (ist->st->codec->pict_type != B_TYPE) {
1251 int64_t tmp;
1252 tmp = ist->last_ip_pts;
1253 ist->last_ip_pts = ist->frac_pts.val;
1254 ist->frac_pts.val = tmp;
1255 }
1256 }
1257 #endif
1258 /* if output time reached then transcode raw format,
1259 encode packets and output them */
1260 if (start_time == 0 || ist->pts >= start_time)
1261 for(i=0;i<nb_ostreams;i++) {
1262 int frame_size;
1263
1264 ost = ost_table[i];
1265 if (ost->source_index == ist_index) {
1266 os = output_files[ost->file_index];
1267
1268 #if 0
1269 printf("%d: got pts=%0.3f %0.3f\n", i,
1270 (double)pkt->pts / AV_TIME_BASE,
1271 ((double)ist->pts / AV_TIME_BASE) -
1272 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1273 #endif
1274 /* set the input output pts pairs */
1275 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1276
1277 if (ost->encoding_needed) {
1278 switch(ost->st->codec->codec_type) {
1279 case CODEC_TYPE_AUDIO:
1280 do_audio_out(os, ost, ist, data_buf, data_size);
1281 break;
1282 case CODEC_TYPE_VIDEO:
1283 do_video_out(os, ost, ist, &picture, &frame_size);
1284 video_size += frame_size;
1285 if (vstats_filename && frame_size)
1286 do_video_stats(os, ost, frame_size);
1287 break;
1288 case CODEC_TYPE_SUBTITLE:
1289 do_subtitle_out(os, ost, ist, &subtitle,
1290 pkt->pts);
1291 break;
1292 default:
1293 abort();
1294 }
1295 } else {
1296 AVFrame avframe; //FIXME/XXX remove this
1297 AVPacket opkt;
1298 av_init_packet(&opkt);
1299
1300 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1301 continue;
1302
1303 /* no reencoding needed : output the packet directly */
1304 /* force the input stream PTS */
1305
1306 avcodec_get_frame_defaults(&avframe);
1307 ost->st->codec->coded_frame= &avframe;
1308 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1309
1310 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1311 audio_size += data_size;
1312 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1313 video_size += data_size;
1314 ost->sync_opts++;
1315 }
1316
1317 opkt.stream_index= ost->index;
1318 if(pkt->pts != AV_NOPTS_VALUE)
1319 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1320 else
1321 opkt.pts= AV_NOPTS_VALUE;
1322
1323 if (pkt->dts == AV_NOPTS_VALUE)
1324 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1325 else
1326 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1327
1328 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1329 opkt.flags= pkt->flags;
1330
1331 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1332 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1333 opkt.destruct= av_destruct_packet;
1334
1335 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1336 ost->st->codec->frame_number++;
1337 ost->frame_number++;
1338 av_free_packet(&opkt);
1339 }
1340 }
1341 }
1342 av_free(buffer_to_free);
1343 /* XXX: allocate the subtitles in the codec ? */
1344 if (subtitle_to_free) {
1345 if (subtitle_to_free->rects != NULL) {
1346 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1347 av_free(subtitle_to_free->rects[i].bitmap);
1348 av_free(subtitle_to_free->rects[i].rgba_palette);
1349 }
1350 av_freep(&subtitle_to_free->rects);
1351 }
1352 subtitle_to_free->num_rects = 0;
1353 subtitle_to_free = NULL;
1354 }
1355 }
1356 discard_packet:
1357 if (pkt == NULL) {
1358 /* EOF handling */
1359
1360 for(i=0;i<nb_ostreams;i++) {
1361 ost = ost_table[i];
1362 if (ost->source_index == ist_index) {
1363 AVCodecContext *enc= ost->st->codec;
1364 os = output_files[ost->file_index];
1365
1366 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1367 continue;
1368 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1369 continue;
1370
1371 if (ost->encoding_needed) {
1372 for(;;) {
1373 AVPacket pkt;
1374 int fifo_bytes;
1375 av_init_packet(&pkt);
1376 pkt.stream_index= ost->index;
1377
1378 switch(ost->st->codec->codec_type) {
1379 case CODEC_TYPE_AUDIO:
1380 fifo_bytes = av_fifo_size(&ost->fifo);
1381 ret = 0;
1382 /* encode any samples remaining in fifo */
1383 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1384 int fs_tmp = enc->frame_size;
1385 enc->frame_size = fifo_bytes / (2 * enc->channels);
1386 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1387 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1388 }
1389 enc->frame_size = fs_tmp;
1390 }
1391 if(ret <= 0) {
1392 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1393 }
1394 audio_size += ret;
1395 pkt.flags |= PKT_FLAG_KEY;
1396 break;
1397 case CODEC_TYPE_VIDEO:
1398 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1399 video_size += ret;
1400 if(enc->coded_frame && enc->coded_frame->key_frame)
1401 pkt.flags |= PKT_FLAG_KEY;
1402 if (ost->logfile && enc->stats_out) {
1403 fprintf(ost->logfile, "%s", enc->stats_out);
1404 }
1405 break;
1406 default:
1407 ret=-1;
1408 }
1409
1410 if(ret<=0)
1411 break;
1412 pkt.data= bit_buffer;
1413 pkt.size= ret;
1414 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1415 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1416 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1417 }
1418 }
1419 }
1420 }
1421 }
1422
1423 return 0;
1424 fail_decode:
1425 return -1;
1426 }
1427
1428 static void print_sdp(AVFormatContext **avc, int n)
1429 {
1430 char sdp[2048];
1431
1432 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1433 printf("SDP:\n%s\n", sdp);
1434 }
1435
1436 static int stream_index_from_inputs(AVFormatContext **input_files,
1437 int nb_input_files,
1438 AVInputFile *file_table,
1439 AVInputStream **ist_table,
1440 enum CodecType type,
1441 int programid)
1442 {
1443 int p, q, z;
1444 for(z=0; z<nb_input_files; z++) {
1445 AVFormatContext *ic = input_files[z];
1446 for(p=0; p<ic->nb_programs; p++) {
1447 AVProgram *program = ic->programs[p];
1448 if(program->id != programid)
1449 continue;
1450 for(q=0; q<program->nb_stream_indexes; q++) {
1451 int sidx = program->stream_index[q];
1452 int ris = file_table[z].ist_index + sidx;
1453 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1454 return ris;
1455 }
1456 }
1457 }
1458
1459 return -1;
1460 }
1461
1462 /*
1463 * The following code is the main loop of the file converter
1464 */
1465 static int av_encode(AVFormatContext **output_files,
1466 int nb_output_files,
1467 AVFormatContext **input_files,
1468 int nb_input_files,
1469 AVStreamMap *stream_maps, int nb_stream_maps)
1470 {
1471 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1472 AVFormatContext *is, *os;
1473 AVCodecContext *codec, *icodec;
1474 AVOutputStream *ost, **ost_table = NULL;
1475 AVInputStream *ist, **ist_table = NULL;
1476 AVInputFile *file_table;
1477 int key;
1478 int want_sdp = 1;
1479
1480 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1481 if (!file_table)
1482 goto fail;
1483
1484 /* input stream init */
1485 j = 0;
1486 for(i=0;i<nb_input_files;i++) {
1487 is = input_files[i];
1488 file_table[i].ist_index = j;
1489 file_table[i].nb_streams = is->nb_streams;
1490 j += is->nb_streams;
1491 }
1492 nb_istreams = j;
1493
1494 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1495 if (!ist_table)
1496 goto fail;
1497
1498 for(i=0;i<nb_istreams;i++) {
1499 ist = av_mallocz(sizeof(AVInputStream));
1500 if (!ist)
1501 goto fail;
1502 ist_table[i] = ist;
1503 }
1504 j = 0;
1505 for(i=0;i<nb_input_files;i++) {
1506 is = input_files[i];
1507 for(k=0;k<is->nb_streams;k++) {
1508 ist = ist_table[j++];
1509 ist->st = is->streams[k];
1510 ist->file_index = i;
1511 ist->index = k;
1512 ist->discard = 1; /* the stream is discarded by default
1513 (changed later) */
1514
1515 if (ist->st->codec->rate_emu) {
1516 ist->start = av_gettime();
1517 ist->frame = 0;
1518 }
1519 }
1520 }
1521
1522 /* output stream init */
1523 nb_ostreams = 0;
1524 for(i=0;i<nb_output_files;i++) {
1525 os = output_files[i];
1526 if (!os->nb_streams) {
1527 fprintf(stderr, "Output file does not contain any stream\n");
1528 av_exit(1);
1529 }
1530 nb_ostreams += os->nb_streams;
1531 }
1532 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1533 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1534 av_exit(1);
1535 }
1536
1537 /* Sanity check the mapping args -- do the input files & streams exist? */
1538 for(i=0;i<nb_stream_maps;i++) {
1539 int fi = stream_maps[i].file_index;
1540 int si = stream_maps[i].stream_index;
1541
1542 if (fi < 0 || fi > nb_input_files - 1 ||
1543 si < 0 || si > file_table[fi].nb_streams - 1) {
1544 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1545 av_exit(1);
1546 }
1547 fi = stream_maps[i].sync_file_index;
1548 si = stream_maps[i].sync_stream_index;
1549 if (fi < 0 || fi > nb_input_files - 1 ||
1550 si < 0 || si > file_table[fi].nb_streams - 1) {
1551 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1552 av_exit(1);
1553 }
1554 }
1555
1556 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1557 if (!ost_table)
1558 goto fail;
1559 for(i=0;i<nb_ostreams;i++) {
1560 ost = av_mallocz(sizeof(AVOutputStream));
1561 if (!ost)
1562 goto fail;
1563 ost_table[i] = ost;
1564 }
1565
1566 n = 0;
1567 for(k=0;k<nb_output_files;k++) {
1568 os = output_files[k];
1569 for(i=0;i<os->nb_streams;i++) {
1570 int found;
1571 ost = ost_table[n++];
1572 ost->file_index = k;
1573 ost->index = i;
1574 ost->st = os->streams[i];
1575 if (nb_stream_maps > 0) {
1576 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1577 stream_maps[n-1].stream_index;
1578
1579 /* Sanity check that the stream types match */
1580 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1581 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1582 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1583 ost->file_index, ost->index);
1584 av_exit(1);
1585 }
1586
1587 } else {
1588 if(opt_programid) {
1589 found = 0;
1590 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1591 if(j != -1) {
1592 ost->source_index = j;
1593 found = 1;
1594 }
1595 } else {
1596 /* get corresponding input stream index : we select the first one with the right type */
1597 found = 0;
1598 for(j=0;j<nb_istreams;j++) {
1599 ist = ist_table[j];
1600 if (ist->discard &&
1601 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1602 ost->source_index = j;
1603 found = 1;
1604 break;
1605 }
1606 }
1607 }
1608
1609 if (!found) {
1610 if(! opt_programid) {
1611 /* try again and reuse existing stream */
1612 for(j=0;j<nb_istreams;j++) {
1613 ist = ist_table[j];
1614 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1615 ost->source_index = j;
1616 found = 1;
1617 }
1618 }
1619 }
1620 if (!found) {
1621 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1622 ost->file_index, ost->index);
1623 av_exit(1);
1624 }
1625 }
1626 }
1627 ist = ist_table[ost->source_index];
1628 ist->discard = 0;
1629 ost->sync_ist = (nb_stream_maps > 0) ?
1630 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1631 stream_maps[n-1].sync_stream_index] : ist;
1632 }
1633 }
1634
1635 /* for each output stream, we compute the right encoding parameters */
1636 for(i=0;i<nb_ostreams;i++) {
1637 ost = ost_table[i];
1638 os = output_files[ost->file_index];
1639 ist = ist_table[ost->source_index];
1640
1641 codec = ost->st->codec;
1642 icodec = ist->st->codec;
1643
1644 if (!ost->st->language[0])
1645 av_strlcpy(ost->st->language, ist->st->language,
1646 sizeof(ost->st->language));
1647
1648 ost->st->disposition = ist->st->disposition;
1649
1650 if (ost->st->stream_copy) {
1651 /* if stream_copy is selected, no need to decode or encode */
1652 codec->codec_id = icodec->codec_id;
1653 codec->codec_type = icodec->codec_type;
1654
1655 if(!codec->codec_tag){
1656 if( !os->oformat->codec_tag
1657 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1658 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1659 codec->codec_tag = icodec->codec_tag;
1660 }
1661
1662 codec->bit_rate = icodec->bit_rate;
1663 codec->extradata= icodec->extradata;
1664 codec->extradata_size= icodec->extradata_size;
1665 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1666 codec->time_base = icodec->time_base;
1667 else
1668 codec->time_base = ist->st->time_base;
1669 switch(codec->codec_type) {
1670 case CODEC_TYPE_AUDIO:
1671 codec->sample_rate = icodec->sample_rate;
1672 codec->channels = icodec->channels;
1673 codec->frame_size = icodec->frame_size;
1674 codec->block_align= icodec->block_align;
1675 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1676 codec->block_align= 0;
1677 break;
1678 case CODEC_TYPE_VIDEO:
1679 if(using_vhook) {
1680 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1681 av_exit(1);
1682 }
1683 codec->pix_fmt = icodec->pix_fmt;
1684 codec->width = icodec->width;
1685 codec->height = icodec->height;
1686 codec->has_b_frames = icodec->has_b_frames;
1687 break;
1688 case CODEC_TYPE_SUBTITLE:
1689 break;
1690 default:
1691 abort();
1692 }
1693 } else {
1694 switch(codec->codec_type) {
1695 case CODEC_TYPE_AUDIO:
1696 if (av_fifo_init(&ost->fifo, 1024))
1697 goto fail;
1698 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1699 icodec->request_channels = codec->channels;
1700 ist->decoding_needed = 1;
1701 ost->encoding_needed = 1;
1702 break;
1703 case CODEC_TYPE_VIDEO:
1704 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1705 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1706 ost->video_resample = ((codec->width != icodec->width -
1707 (frame_leftBand + frame_rightBand) +
1708 (frame_padleft + frame_padright)) ||
1709 (codec->height != icodec->height -
1710 (frame_topBand + frame_bottomBand) +
1711 (frame_padtop + frame_padbottom)) ||
1712 (codec->pix_fmt != icodec->pix_fmt));
1713 if (ost->video_crop) {
1714 ost->topBand = frame_topBand;
1715 ost->leftBand = frame_leftBand;
1716 }
1717 if (ost->video_pad) {
1718 ost->padtop = frame_padtop;
1719 ost->padleft = frame_padleft;
1720 ost->padbottom = frame_padbottom;
1721 ost->padright = frame_padright;
1722 if (!ost->video_resample) {
1723 avcodec_get_frame_defaults(&ost->pict_tmp);
1724 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1725 codec->width, codec->height ) )
1726 goto fail;
1727 }
1728 }
1729 if (ost->video_resample) {
1730 avcodec_get_frame_defaults(&ost->pict_tmp);
1731 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1732 codec->width, codec->height ) ) {
1733 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1734 av_exit(1);
1735 }
1736 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1737 ost->img_resample_ctx = sws_getContext(
1738 icodec->width - (frame_leftBand + frame_rightBand),
1739 icodec->height - (frame_topBand + frame_bottomBand),
1740 icodec->pix_fmt,
1741 codec->width - (frame_padleft + frame_padright),
1742 codec->height - (frame_padtop + frame_padbottom),
1743 codec->pix_fmt,
1744 sws_flags, NULL, NULL, NULL);
1745 if (ost->img_resample_ctx == NULL) {
1746 fprintf(stderr, "Cannot get resampling context\n");
1747 av_exit(1);
1748 }
1749 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1750 }
1751 ost->encoding_needed = 1;
1752 ist->decoding_needed = 1;
1753 break;
1754 case CODEC_TYPE_SUBTITLE:
1755 ost->encoding_needed = 1;
1756 ist->decoding_needed = 1;
1757 break;
1758 default:
1759 abort();
1760 break;
1761 }
1762 /* two pass mode */
1763 if (ost->encoding_needed &&
1764 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1765 char logfilename[1024];
1766 FILE *f;
1767 int size;
1768 char *logbuffer;
1769
1770 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1771 pass_logfilename ?
1772 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1773 if (codec->flags & CODEC_FLAG_PASS1) {
1774 f = fopen(logfilename, "w");
1775 if (!f) {
1776 perror(logfilename);
1777 av_exit(1);
1778 }
1779 ost->logfile = f;
1780 } else {
1781 /* read the log file */
1782 f = fopen(logfilename, "r");
1783 if (!f) {
1784 perror(logfilename);
1785 av_exit(1);
1786 }
1787 fseek(f, 0, SEEK_END);
1788 size = ftell(f);
1789 fseek(f, 0, SEEK_SET);
1790 logbuffer = av_malloc(size + 1);
1791 if (!logbuffer) {
1792 fprintf(stderr, "Could not allocate log buffer\n");
1793 av_exit(1);
1794 }
1795 size = fread(logbuffer, 1, size, f);
1796 fclose(f);
1797 logbuffer[size] = '\0';
1798 codec->stats_in = logbuffer;
1799 }
1800 }
1801 }
1802 if(codec->codec_type == CODEC_TYPE_VIDEO){
1803 int size= codec->width * codec->height;
1804 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1805 }
1806 }
1807
1808 if (!bit_buffer)
1809 bit_buffer = av_malloc(bit_buffer_size);
1810 if (!bit_buffer)
1811 goto fail;
1812
1813 /* dump the file output parameters - cannot be done before in case
1814 of stream copy */
1815 for(i=0;i<nb_output_files;i++) {
1816 dump_format(output_files[i], i, output_files[i]->filename, 1);
1817 }
1818
1819 /* dump the stream mapping */
1820 if (verbose >= 0) {
1821 fprintf(stderr, "Stream mapping:\n");
1822 for(i=0;i<nb_ostreams;i++) {
1823 ost = ost_table[i];
1824 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1825 ist_table[ost->source_index]->file_index,
1826 ist_table[ost->source_index]->index,
1827 ost->file_index,
1828 ost->index);
1829 if (ost->sync_ist != ist_table[ost->source_index])
1830 fprintf(stderr, " [sync #%d.%d]",
1831 ost->sync_ist->file_index,
1832 ost->sync_ist->index);
1833 fprintf(stderr, "\n");
1834 }
1835 }
1836
1837 /* open each encoder */
1838 for(i=0;i<nb_ostreams;i++) {
1839 ost = ost_table[i];
1840 if (ost->encoding_needed) {
1841 AVCodec *codec;
1842 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1843 if (!codec) {
1844 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1845 ost->file_index, ost->index);
1846 av_exit(1);
1847 }
1848 if (avcodec_open(ost->st->codec, codec) < 0) {
1849 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1850 ost->file_index, ost->index);
1851 av_exit(1);
1852 }
1853 extra_size += ost->st->codec->extradata_size;
1854 }
1855 }
1856
1857 /* open each decoder */
1858 for(i=0;i<nb_istreams;i++) {
1859 ist = ist_table[i];
1860 if (ist->decoding_needed) {
1861 AVCodec *codec;
1862 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1863 if (!codec) {
1864 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1865 ist->st->codec->codec_id, ist->file_index, ist->index);
1866 av_exit(1);
1867 }
1868 if (avcodec_open(ist->st->codec, codec) < 0) {
1869 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1870 ist->file_index, ist->index);
1871 av_exit(1);
1872 }
1873 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1874 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1875 }
1876 }
1877
1878 /* init pts */
1879 for(i=0;i<nb_istreams;i++) {
1880 ist = ist_table[i];
1881 is = input_files[ist->file_index];
1882 ist->pts = 0;
1883 ist->next_pts = AV_NOPTS_VALUE;
1884 ist->is_start = 1;
1885 }
1886
1887 /* set meta data information from input file if required */
1888 for (i=0;i<nb_meta_data_maps;i++) {
1889 AVFormatContext *out_file;
1890 AVFormatContext *in_file;
1891
1892 int out_file_index = meta_data_maps[i].out_file;
1893 int in_file_index = meta_data_maps[i].in_file;
1894 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1895 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1896 ret = AVERROR(EINVAL);
1897 goto fail;
1898 }
1899 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1900 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1901 ret = AVERROR(EINVAL);
1902 goto fail;
1903 }
1904
1905 out_file = output_files[out_file_index];
1906 in_file = input_files[in_file_index];
1907
1908 strcpy(out_file->title, in_file->title);
1909 strcpy(out_file->author, in_file->author);
1910 strcpy(out_file->copyright, in_file->copyright);
1911 strcpy(out_file->comment, in_file->comment);
1912 strcpy(out_file->album, in_file->album);
1913 out_file->year = in_file->year;
1914 out_file->track = in_file->track;
1915 strcpy(out_file->genre, in_file->genre);
1916 }
1917
1918 /* open files and write file headers */
1919 for(i=0;i<nb_output_files;i++) {
1920 os = output_files[i];
1921 if (av_write_header(os) < 0) {
1922 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1923 ret = AVERROR(EINVAL);
1924 goto fail;
1925 }
1926 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1927 want_sdp = 0;
1928 }
1929 }
1930 if (want_sdp) {
1931 print_sdp(output_files, nb_output_files);
1932 }
1933
1934 if ( !using_stdin && verbose >= 0) {
1935 fprintf(stderr, "Press [q] to stop encoding\n");
1936 url_set_interrupt_cb(decode_interrupt_cb);
1937 }
1938 term_init();
1939
1940 key = -1;
1941 timer_start = av_gettime();
1942
1943 for(; received_sigterm == 0;) {
1944 int file_index, ist_index;
1945 AVPacket pkt;
1946 double ipts_min;
1947 double opts_min;
1948
1949 redo:
1950 ipts_min= 1e100;
1951 opts_min= 1e100;
1952 /* if 'q' pressed, exits */
1953 if (!using_stdin) {
1954 if (q_pressed)
1955 break;
1956 /* read_key() returns 0 on EOF */
1957 key = read_key();
1958 if (key == 'q')
1959 break;
1960 }
1961
1962 /* select the stream that we must read now by looking at the
1963 smallest output pts */
1964 file_index = -1;
1965 for(i=0;i<nb_ostreams;i++) {
1966 double ipts, opts;
1967 ost = ost_table[i];
1968 os = output_files[ost->file_index];
1969 ist = ist_table[ost->source_index];
1970 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1971 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1972 else
1973 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1974 ipts = (double)ist->pts;
1975 if (!file_table[ist->file_index].eof_reached){
1976 if(ipts < ipts_min) {
1977 ipts_min = ipts;
1978 if(input_sync ) file_index = ist->file_index;
1979 }
1980 if(opts < opts_min) {
1981 opts_min = opts;
1982 if(!input_sync) file_index = ist->file_index;
1983 }
1984 }
1985 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1986 file_index= -1;
1987 break;
1988 }
1989 }
1990 /* if none, if is finished */
1991 if (file_index < 0) {
1992 break;
1993 }
1994
1995 /* finish if recording time exhausted */
1996 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1997 break;
1998
1999 /* finish if limit size exhausted */
2000 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2001 break;
2002
2003 /* read a frame from it and output it in the fifo */
2004 is = input_files[file_index];
2005 if (av_read_frame(is, &pkt) < 0) {
2006 file_table[file_index].eof_reached = 1;
2007 if (opt_shortest)
2008 break;
2009 else
2010 continue;
2011 }
2012
2013 if (do_pkt_dump) {
2014 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2015 }
2016 /* the following test is needed in case new streams appear
2017 dynamically in stream : we ignore them */
2018 if (pkt.stream_index >= file_table[file_index].nb_streams)
2019 goto discard_packet;
2020 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2021 ist = ist_table[ist_index];
2022 if (ist->discard)
2023 goto discard_packet;
2024
2025 if (pkt.dts != AV_NOPTS_VALUE)
2026 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2027 if (pkt.pts != AV_NOPTS_VALUE)
2028 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2029
2030 // 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);
2031 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2032 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2033 int64_t delta= pkt_dts - ist->next_pts;
2034 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2035 input_files_ts_offset[ist->file_index]-= delta;
2036 if (verbose > 2)
2037 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2038 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2039 if(pkt.pts != AV_NOPTS_VALUE)
2040 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2041 }
2042 }
2043
2044 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2045 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2046
2047 if (verbose >= 0)
2048 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2049 ist->file_index, ist->index);
2050
2051 av_free_packet(&pkt);
2052 goto redo;
2053 }
2054
2055 discard_packet:
2056 av_free_packet(&pkt);
2057
2058 /* dump report by using the output first video and audio streams */
2059 print_report(output_files, ost_table, nb_ostreams, 0);
2060 }
2061
2062 /* at the end of stream, we must flush the decoder buffers */
2063 for(i=0;i<nb_istreams;i++) {
2064 ist = ist_table[i];
2065 if (ist->decoding_needed) {
2066 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2067 }
2068 }
2069
2070 term_exit();
2071
2072 /* write the trailer if needed and close file */
2073 for(i=0;i<nb_output_files;i++) {
2074 os = output_files[i];
2075 av_write_trailer(os);
2076 }
2077
2078 /* dump report by using the first video and audio streams */
2079 print_report(output_files, ost_table, nb_ostreams, 1);
2080
2081 /* close each encoder */
2082 for(i=0;i<nb_ostreams;i++) {
2083 ost = ost_table[i];
2084 if (ost->encoding_needed) {
2085 av_freep(&ost->st->codec->stats_in);
2086 avcodec_close(ost->st->codec);
2087 }
2088 }
2089
2090 /* close each decoder */
2091 for(i=0;i<nb_istreams;i++) {
2092 ist = ist_table[i];
2093 if (ist->decoding_needed) {
2094 avcodec_close(ist->st->codec);
2095 }
2096 }
2097
2098 /* finished ! */
2099
2100 ret = 0;
2101 fail1:
2102 av_freep(&bit_buffer);
2103 av_free(file_table);
2104
2105 if (ist_table) {
2106 for(i=0;i<nb_istreams;i++) {
2107 ist = ist_table[i];
2108 av_free(ist);
2109 }
2110 av_free(ist_table);
2111 }
2112 if (ost_table) {
2113 for(i=0;i<nb_ostreams;i++) {
2114 ost = ost_table[i];
2115 if (ost) {
2116 if (ost->logfile) {
2117 fclose(ost->logfile);
2118 ost->logfile = NULL;
2119 }
2120 av_fifo_free(&ost->fifo); /* works even if fifo is not
2121 initialized but set to zero */
2122 av_free(ost->pict_tmp.data[0]);
2123 if (ost->video_resample)
2124 sws_freeContext(ost->img_resample_ctx);
2125 if (ost->resample)
2126 audio_resample_close(ost->resample);
2127 av_free(ost);
2128 }
2129 }
2130 av_free(ost_table);
2131 }
2132 return ret;
2133 fail:
2134 ret = AVERROR(ENOMEM);
2135 goto fail1;
2136 }
2137
2138 #if 0
2139 int file_read(const char *filename)
2140 {
2141 URLContext *h;
2142 unsigned char buffer[1024];
2143 int len, i;
2144
2145 if (url_open(&h, filename, O_RDONLY) < 0) {
2146 printf("could not open '%s'\n", filename);
2147 return -1;
2148 }
2149 for(;;) {
2150 len = url_read(h, buffer, sizeof(buffer));
2151 if (len <= 0)
2152 break;
2153 for(i=0;i<len;i++) putchar(buffer[i]);
2154 }
2155 url_close(h);
2156 return 0;
2157 }
2158 #endif
2159
2160 static void opt_format(const char *arg)
2161 {
2162 /* compatibility stuff for pgmyuv */
2163 if (!strcmp(arg, "pgmyuv")) {
2164 pgmyuv_compatibility_hack=1;
2165 // opt_image_format(arg);
2166 arg = "image2";
2167 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2168 }
2169
2170 file_iformat = av_find_input_format(arg);
2171 file_oformat = guess_format(arg, NULL, NULL);
2172 if (!file_iformat && !file_oformat) {
2173 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2174 av_exit(1);
2175 }
2176 }
2177
2178 extern int ffm_nopts;
2179
2180 static int opt_default(const char *opt, const char *arg){
2181 int type;
2182 const AVOption *o= NULL;
2183 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2184
2185 for(type=0; type<CODEC_TYPE_NB; type++){
2186 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2187 if(o2)
2188 o = av_set_string(avctx_opts[type], opt, arg);
2189 }
2190 if(!o)
2191 o = av_set_string(avformat_opts, opt, arg);
2192 if(!o)
2193 o = av_set_string(sws_opts, opt, arg);
2194 if(!o){
2195 if(opt[0] == 'a')
2196 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2197 else if(opt[0] == 'v')
2198 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2199 else if(opt[0] == 's')
2200 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2201 }
2202 if(!o)
2203 return -1;
2204
2205 // 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));
2206
2207 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2208 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2209 opt_names[opt_name_count++]= o->name;
2210
2211 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2212 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2213 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2214 ffm_nopts = 1;
2215 #endif
2216
2217 if(avctx_opts[0]->debug)
2218 av_log_set_level(AV_LOG_DEBUG);
2219 return 0;
2220 }
2221
2222 static void opt_video_rc_override_string(const char *arg)
2223 {
2224 video_rc_override_string = arg;
2225 }
2226
2227 static void opt_me_threshold(const char *arg)
2228 {
2229 me_threshold = atoi(arg);
2230 }
2231
2232 static void opt_verbose(const char *arg)
2233 {
2234 verbose = atoi(arg);
2235 av_log_set_level(verbose);
2236 }
2237
2238 static void opt_frame_rate(const char *arg)
2239 {
2240 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2241 fprintf(stderr, "Incorrect frame rate\n");
2242 av_exit(1);
2243 }
2244 }
2245
2246 static int opt_bitrate(const char *opt, const char *arg)
2247 {
2248 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2249
2250 opt_default(opt, arg);
2251
2252 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2253 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2254
2255 return 0;
2256 }
2257
2258 static void opt_frame_crop_top(const char *arg)
2259 {
2260 frame_topBand = atoi(arg);
2261 if (frame_topBand < 0) {
2262 fprintf(stderr, "Incorrect top crop size\n");
2263 av_exit(1);
2264 }
2265 if ((frame_topBand % 2) != 0) {
2266 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2267 av_exit(1);
2268 }
2269 if ((frame_topBand) >= frame_height){
2270 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2271 av_exit(1);
2272 }
2273 frame_height -= frame_topBand;
2274 }
2275
2276 static void opt_frame_crop_bottom(const char *arg)
2277 {
2278 frame_bottomBand = atoi(arg);
2279 if (frame_bottomBand < 0) {
2280 fprintf(stderr, "Incorrect bottom crop size\n");
2281 av_exit(1);
2282 }
2283 if ((frame_bottomBand % 2) != 0) {
2284 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2285 av_exit(1);
2286 }
2287 if ((frame_bottomBand) >= frame_height){
2288 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2289 av_exit(1);
2290 }
2291 frame_height -= frame_bottomBand;
2292 }
2293
2294 static void opt_frame_crop_left(const char *arg)
2295 {
2296 frame_leftBand = atoi(arg);
2297 if (frame_leftBand < 0) {
2298 fprintf(stderr, "Incorrect left crop size\n");
2299 av_exit(1);
2300 }
2301 if ((frame_leftBand % 2) != 0) {
2302 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2303 av_exit(1);
2304 }
2305 if ((frame_leftBand) >= frame_width){
2306 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2307 av_exit(1);
2308 }
2309 frame_width -= frame_leftBand;
2310 }
2311
2312 static void opt_frame_crop_right(const char *arg)
2313 {
2314 frame_rightBand = atoi(arg);
2315 if (frame_rightBand < 0) {
2316 fprintf(stderr, "Incorrect right crop size\n");
2317 av_exit(1);
2318 }
2319 if ((frame_rightBand % 2) != 0) {
2320 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2321 av_exit(1);
2322 }
2323 if ((frame_rightBand) >= frame_width){
2324 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2325 av_exit(1);
2326 }
2327 frame_width -= frame_rightBand;
2328 }
2329
2330 static void opt_frame_size(const char *arg)
2331 {
2332 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2333 fprintf(stderr, "Incorrect frame size\n");
2334 av_exit(1);
2335 }
2336 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2337 fprintf(stderr, "Frame size must be a multiple of 2\n");
2338 av_exit(1);
2339 }
2340 }
2341
2342
2343 #define SCALEBITS 10
2344 #define ONE_HALF (1 << (SCALEBITS - 1))
2345 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2346
2347 #define RGB_TO_Y(r, g, b) \
2348 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2349 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2350
2351 #define RGB_TO_U(r1, g1, b1, shift)\
2352 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2353 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2354
2355 #define RGB_TO_V(r1, g1, b1, shift)\
2356 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2357 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2358
2359 static void opt_pad_color(const char *arg) {
2360 /* Input is expected to be six hex digits similar to
2361 how colors are expressed in html tags (but without the #) */
2362 int rgb = strtol(arg, NULL, 16);
2363 int r,g,b;
2364
2365 r = (rgb >> 16);
2366 g = ((rgb >> 8) & 255);
2367 b = (rgb & 255);
2368
2369 padcolor[0] = RGB_TO_Y(r,g,b);
2370 padcolor[1] = RGB_TO_U(r,g,b,0);
2371 padcolor[2] = RGB_TO_V(r,g,b,0);
2372 }
2373
2374 static void opt_frame_pad_top(const char *arg)
2375 {
2376 frame_padtop = atoi(arg);
2377 if (frame_padtop < 0) {
2378 fprintf(stderr, "Incorrect top pad size\n");
2379 av_exit(1);
2380 }
2381 if ((frame_padtop % 2) != 0) {
2382 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2383 av_exit(1);
2384 }
2385 }
2386
2387 static void opt_frame_pad_bottom(const char *arg)
2388 {
2389 frame_padbottom = atoi(arg);
2390 if (frame_padbottom < 0) {
2391 fprintf(stderr, "Incorrect bottom pad size\n");
2392 av_exit(1);
2393 }
2394 if ((frame_padbottom % 2) != 0) {
2395 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2396 av_exit(1);
2397 }
2398 }
2399
2400
2401 static void opt_frame_pad_left(const char *arg)
2402 {
2403 frame_padleft = atoi(arg);
2404 if (frame_padleft < 0) {
2405 fprintf(stderr, "Incorrect left pad size\n");
2406 av_exit(1);
2407 }
2408 if ((frame_padleft % 2) != 0) {
2409 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2410 av_exit(1);
2411 }
2412 }
2413
2414
2415 static void opt_frame_pad_right(const char *arg)
2416 {
2417 frame_padright = atoi(arg);
2418 if (frame_padright < 0) {
2419 fprintf(stderr, "Incorrect right pad size\n");
2420 av_exit(1);
2421 }
2422 if ((frame_padright % 2) != 0) {
2423 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2424 av_exit(1);
2425 }
2426 }
2427
2428 void list_pix_fmts(void)
2429 {
2430 int i;
2431 char pix_fmt_str[128];
2432 for (i=-1; i < PIX_FMT_NB; i++) {
2433 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2434 fprintf(stdout, "%s\n", pix_fmt_str);
2435 }
2436 }
2437
2438 static void opt_frame_pix_fmt(const char *arg)
2439 {
2440 if (strcmp(arg, "list"))
2441 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2442 else {
2443 list_pix_fmts();
2444 av_exit(0);
2445 }
2446 }
2447
2448 static void opt_frame_aspect_ratio(const char *arg)
2449 {
2450 int x = 0, y = 0;
2451 double ar = 0;
2452 const char *p;
2453 char *end;
2454
2455 p = strchr(arg, ':');
2456 if (p) {
2457 x = strtol(arg, &end, 10);
2458 if (end == p)
2459 y = strtol(end+1, &end, 10);
2460 if (x > 0 && y > 0)
2461 ar = (double)x / (double)y;
2462 } else
2463 ar = strtod(arg, NULL);
2464
2465 if (!ar) {
2466 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2467 av_exit(1);
2468 }
2469 frame_aspect_ratio = ar;
2470 }
2471
2472 static void opt_qscale(const char *arg)
2473 {
2474 video_qscale = atof(arg);
2475 if (video_qscale <= 0 ||
2476 video_qscale > 255) {
2477 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2478 av_exit(1);
2479 }
2480 }
2481
2482 static void opt_qdiff(const char *arg)
2483 {
2484 video_qdiff = atoi(arg);
2485 if (video_qdiff < 0 ||
2486 video_qdiff > 31) {
2487 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2488 av_exit(1);
2489 }
2490 }
2491
2492 static void opt_strict(const char *arg)
2493 {
2494 strict= atoi(arg);
2495 }
2496
2497 static void opt_top_field_first(const char *arg)
2498 {
2499 top_field_first= atoi(arg);
2500 }
2501
2502 static void opt_thread_count(const char *arg)
2503 {
2504 thread_count= atoi(arg);
2505 #if !defined(HAVE_THREADS)
2506 if (verbose >= 0)
2507 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2508 #endif
2509 }
2510
2511 static void opt_audio_rate(const char *arg)
2512 {
2513 audio_sample_rate = atoi(arg);
2514 }
2515
2516 static void opt_audio_channels(const char *arg)
2517 {
2518 audio_channels = atoi(arg);
2519 }
2520
2521 static void opt_video_channel(const char *arg)
2522 {
2523 video_channel = strtol(arg, NULL, 0);
2524 }
2525
2526 static void opt_video_standard(const char *arg)
2527 {
2528 video_standard = av_strdup(arg);
2529 }
2530
2531 static void opt_codec(int *pstream_copy, char **pcodec_name,
2532 int codec_type, const char *arg)
2533 {
2534 av_freep(pcodec_name);
2535 if (!strcmp(arg, "copy")) {
2536 *pstream_copy = 1;
2537 } else {
2538 *pcodec_name = av_strdup(arg);
2539 }
2540 }
2541
2542 static void opt_audio_codec(const char *arg)
2543 {
2544 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2545 }
2546
2547 static void opt_audio_tag(const char *arg)
2548 {
2549 char *tail;
2550 audio_codec_tag= strtol(arg, &tail, 0);
2551
2552 if(!tail || *tail)
2553 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2554 }
2555
2556 static void opt_video_tag(const char *arg)
2557 {
2558 char *tail;
2559 video_codec_tag= strtol(arg, &tail, 0);
2560
2561 if(!tail || *tail)
2562 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2563 }
2564
2565 #ifdef CONFIG_VHOOK
2566 static void add_frame_hooker(const char *arg)
2567 {
2568 int argc = 0;
2569 char *argv[64];
2570 int i;
2571 char *args = av_strdup(arg);
2572
2573 using_vhook = 1;
2574
2575 argv[0] = strtok(args, " ");
2576 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2577 }
2578
2579 i = frame_hook_add(argc, argv);
2580
2581 if (i != 0) {
2582 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2583 av_exit(1);
2584 }
2585 }
2586 #endif
2587
2588 static void opt_video_codec(const char *arg)
2589 {
2590 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2591 }
2592
2593 static void opt_subtitle_codec(const char *arg)
2594 {
2595 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2596 }
2597
2598 static void opt_map(const char *arg)
2599 {
2600 AVStreamMap *m;
2601 char *p;
2602
2603 m = &stream_maps[nb_stream_maps++];
2604
2605 m->file_index = strtol(arg, &p, 0);
2606 if (*p)
2607 p++;
2608
2609 m->stream_index = strtol(p, &p, 0);
2610 if (*p) {
2611 p++;
2612 m->sync_file_index = strtol(p, &p, 0);
2613 if (*p)
2614 p++;
2615 m->sync_stream_index = strtol(p, &p, 0);
2616 } else {
2617 m->sync_file_index = m->file_index;
2618 m->sync_stream_index = m->stream_index;
2619 }
2620 }
2621
2622 static void opt_map_meta_data(const char *arg)
2623 {
2624 AVMetaDataMap *m;
2625 char *p;
2626
2627 m = &meta_data_maps[nb_meta_data_maps++];
2628
2629 m->out_file = strtol(arg, &p, 0);
2630 if (*p)
2631 p++;
2632
2633 m->in_file = strtol(p, &p, 0);
2634 }
2635
2636 static int opt_recording_time(const char *opt, const char *arg)
2637 {
2638 recording_time = parse_time_or_die(opt, arg, 1);
2639 return 0;
2640 }
2641
2642 static int opt_start_time(const char *opt, const char *arg)
2643 {
2644 start_time = parse_time_or_die(opt, arg, 1);
2645 return 0;
2646 }
2647
2648 static int opt_rec_timestamp(const char *opt, const char *arg)
2649 {
2650 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2651 return 0;
2652 }
2653
2654 static int opt_input_ts_offset(const char *opt, const char *arg)
2655 {
2656 input_ts_offset = parse_time_or_die(opt, arg, 1);
2657 return 0;
2658 }
2659
2660 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2661 {
2662 const char *codec_string = encoder ? "encoder" : "decoder";
2663 AVCodec *codec;
2664
2665 if(!name)
2666 return CODEC_ID_NONE;
2667 codec = encoder ?
2668 avcodec_find_encoder_by_name(name) :
2669 avcodec_find_decoder_by_name(name);
2670 if(!codec) {
2671 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2672 av_exit(1);
2673 }
2674 if(codec->type != type) {
2675 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2676 av_exit(1);
2677 }
2678 return codec->id;
2679 }
2680
2681 static void opt_input_file(const char *filename)
2682 {
2683 AVFormatContext *ic;
2684 AVFormatParameters params, *ap = &params;
2685 int err, i, ret, rfps, rfps_base;
2686 int64_t timestamp;
2687
2688 if (!strcmp(filename, "-"))
2689 filename = "pipe:";
2690
2691 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2692 !strcmp( filename, "/dev/stdin" );
2693
2694 /* get default parameters from command line */
2695 ic = av_alloc_format_context();
2696
2697 memset(ap, 0, sizeof(*ap));
2698 ap->prealloced_context = 1;
2699 ap->sample_rate = audio_sample_rate;
2700 ap->channels = audio_channels;
2701 ap->time_base.den = frame_rate.num;
2702 ap->time_base.num = frame_rate.den;
2703 ap->width = frame_width + frame_padleft + frame_padright;
2704 ap->height = frame_height + frame_padtop + frame_padbottom;
2705 ap->pix_fmt = frame_pix_fmt;
2706 ap->channel = video_channel;
2707 ap->standard = video_standard;
2708 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2709 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2710 if(pgmyuv_compatibility_hack)
2711 ap->video_codec_id= CODEC_ID_PGMYUV;
2712
2713 for(i=0; i<opt_name_count; i++){
2714 char buf[256];
2715 const AVOption *opt;
2716 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2717 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2718 av_set_string(ic, opt_names[i], str);
2719 }
2720
2721 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2722 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2723 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2724
2725 /* open the input file with generic libav function */
2726 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2727 if (err < 0) {
2728 print_error(filename, err);
2729 av_exit(1);
2730 }
2731 if(opt_programid) {
2732 int i;
2733 for(i=0; i<ic->nb_programs; i++)
2734 if(ic->programs[i]->id != opt_programid)
2735 ic->programs[i]->discard = AVDISCARD_ALL;
2736 }
2737
2738 ic->loop_input = loop_input;
2739
2740 /* If not enough info to get the stream parameters, we decode the
2741 first frames to get it. (used in mpeg case for example) */
2742 ret = av_find_stream_info(ic);
2743 if (ret < 0 && verbose >= 0) {
2744 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2745 av_exit(1);
2746 }
2747
2748 timestamp = start_time;
2749 /* add the stream start time */
2750 if (ic->start_time != AV_NOPTS_VALUE)
2751 timestamp += ic->start_time;
2752
2753 /* if seeking requested, we execute it */
2754 if (start_time != 0) {
2755 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2756 if (ret < 0) {
2757 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2758 filename, (double)timestamp / AV_TIME_BASE);
2759 }
2760 /* reset seek info */
2761 start_time = 0;
2762 }
2763
2764 /* update the current parameters so that they match the one of the input stream */
2765 for(i=0;i<ic->nb_streams;i++) {
2766 int j;
2767 AVCodecContext *enc = ic->streams[i]->codec;
2768 if(thread_count>1)
2769 avcodec_thread_init(enc, thread_count);
2770 enc->thread_count= thread_count;
2771 switch(enc->codec_type) {
2772 case CODEC_TYPE_AUDIO:
2773 for(j=0; j<opt_name_count; j++){
2774 char buf[256];
2775 const AVOption *opt;
2776 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2777 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2778 av_set_string(enc, opt_names[j], str);
2779 }
2780 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2781 audio_channels = enc->channels;
2782 audio_sample_rate = enc->sample_rate;
2783 if(audio_disable)
2784 ic->streams[i]->discard= AVDISCARD_ALL;
2785 break;
2786 case CODEC_TYPE_VIDEO:
2787 for(j=0; j<opt_name_count; j++){
2788 char buf[256];
2789 const AVOption *opt;
2790 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2791 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2792 av_set_string(enc, opt_names[j], str);
2793 }
2794 frame_height = enc->height;
2795 frame_width = enc->width;
2796 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2797 frame_pix_fmt = enc->pix_fmt;
2798 rfps = ic->streams[i]->r_frame_rate.num;
2799 rfps_base = ic->streams[i]->r_frame_rate.den;
2800 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2801 if(me_threshold)
2802 enc->debug |= FF_DEBUG_MV;
2803
2804 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2805
2806 if (verbose >= 0)
2807 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2808 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2809
2810 (float)rfps / rfps_base, rfps, rfps_base);
2811 }
2812 /* update the current frame rate to match the stream frame rate */
2813 frame_rate.num = rfps;
2814 frame_rate.den = rfps_base;
2815
2816 enc->rate_emu = rate_emu;
2817 if(video_disable)
2818 ic->streams[i]->discard= AVDISCARD_ALL;
2819 else if(video_discard)
2820 ic->streams[i]->discard= video_discard;
2821 break;
2822 case CODEC_TYPE_DATA:
2823 break;
2824 case CODEC_TYPE_SUBTITLE:
2825 if(subtitle_disable)
2826 ic->streams[i]->discard = AVDISCARD_ALL;
2827 break;
2828 case CODEC_TYPE_ATTACHMENT:
2829 case CODEC_TYPE_UNKNOWN:
2830 break;
2831 default:
2832 abort();
2833 }
2834 }
2835
2836 input_files[nb_input_files] = ic;
2837 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2838 /* dump the file content */
2839 if (verbose >= 0)
2840 dump_format(ic, nb_input_files, filename, 0);
2841
2842 nb_input_files++;
2843 file_iformat = NULL;
2844 file_oformat = NULL;
2845
2846 video_channel = 0;
2847
2848 rate_emu = 0;
2849 av_freep(&video_codec_name);
2850 av_freep(&audio_codec_name);
2851 av_freep(&subtitle_codec_name);
2852 }
2853
2854 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2855 int *has_subtitle_ptr)
2856 {
2857 int has_video, has_audio, has_subtitle, i, j;
2858 AVFormatContext *ic;
2859
2860 has_video = 0;
2861 has_audio = 0;
2862 has_subtitle = 0;
2863 for(j=0;j<nb_input_files;j++) {
2864 ic = input_files[j];
2865 for(i=0;i<ic->nb_streams;i++) {
2866 AVCodecContext *enc = ic->streams[i]->codec;
2867 switch(enc->codec_type) {
2868 case CODEC_TYPE_AUDIO:
2869 has_audio = 1;
2870 break;
2871 case CODEC_TYPE_VIDEO:
2872 has_video = 1;
2873 break;
2874 case CODEC_TYPE_SUBTITLE:
2875 has_subtitle = 1;
2876 break;
2877 case CODEC_TYPE_DATA:
2878 case CODEC_TYPE_ATTACHMENT:
2879 case CODEC_TYPE_UNKNOWN:
2880 break;
2881 default:
2882 abort();
2883 }
2884 }
2885 }
2886 *has_video_ptr = has_video;
2887 *has_audio_ptr = has_audio;
2888 *has_subtitle_ptr = has_subtitle;
2889 }
2890
2891 static void new_video_stream(AVFormatContext *oc)
2892 {
2893 AVStream *st;
2894 AVCodecContext *video_enc;
2895 int codec_id;
2896
2897 st = av_new_stream(oc, oc->nb_streams);
2898 if (!st) {
2899 fprintf(stderr, "Could not alloc stream\n");
2900 av_exit(1);
2901 }
2902 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2903 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2904 video_bitstream_filters= NULL;
2905
2906 if(thread_count>1)
2907 avcodec_thread_init(st->codec, thread_count);
2908
2909 video_enc = st->codec;
2910
2911 if(video_codec_tag)
2912 video_enc->codec_tag= video_codec_tag;
2913
2914 if( (video_global_header&1)
2915 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2916 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2917 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2918 }
2919 if(video_global_header&2){
2920 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2921 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2922 }
2923
2924 if (video_stream_copy) {
2925 st->stream_copy = 1;
2926 video_enc->codec_type = CODEC_TYPE_VIDEO;
2927 } else {
2928 const char *p;
2929 int i;
2930 AVCodec *codec;
2931 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2932
2933 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2934 if (video_codec_name)
2935 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2936
2937 video_enc->codec_id = codec_id;
2938 codec = avcodec_find_encoder(codec_id);
2939
2940 for(i=0; i<opt_name_count; i++){
2941 char buf[256];
2942 const AVOption *opt;
2943 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2944 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2945 av_set_string(video_enc, opt_names[i], str);
2946 }
2947
2948 video_enc->time_base.den = fps.num;
2949 video_enc->time_base.num = fps.den;
2950 if(codec && codec->supported_framerates){
2951 const AVRational *p= codec->supported_framerates;
2952 const AVRational *best=NULL;
2953 AVRational best_error= (AVRational){INT_MAX, 1};
2954 for(; p->den!=0; p++){
2955 AVRational error= av_sub_q(fps, *p);
2956 if(error.num <0) error.num *= -1;
2957 if(av_cmp_q(error, best_error) < 0){
2958 best_error= error;
2959 best= p;
2960 }
2961 }
2962 video_enc->time_base.den= best->num;
2963 video_enc->time_base.num= best->den;
2964 }
2965
2966 video_enc->width = frame_width + frame_padright + frame_padleft;
2967 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2968 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2969 video_enc->pix_fmt = frame_pix_fmt;
2970
2971 if(codec && codec->pix_fmts){
2972 const enum PixelFormat *p= codec->pix_fmts;
2973 for(; *p!=-1; p++){
2974 if(*p == video_enc->pix_fmt)
2975 break;
2976 }
2977 if(*p == -1)
2978 video_enc->pix_fmt = codec->pix_fmts[0];
2979 }
2980
2981 if (intra_only)
2982 video_enc->gop_size = 0;
2983 if (video_qscale || same_quality) {
2984 video_enc->flags |= CODEC_FLAG_QSCALE;
2985 video_enc->global_quality=
2986 st->quality = FF_QP2LAMBDA * video_qscale;
2987 }
2988
2989 if(intra_matrix)
2990 video_enc->intra_matrix = intra_matrix;
2991 if(inter_matrix)
2992 video_enc->inter_matrix = inter_matrix;
2993
2994 video_enc->max_qdiff = video_qdiff;
2995 video_enc->thread_count = thread_count;
2996 p= video_rc_override_string;
2997 for(i=0; p; i++){
2998 int start, end, q;
2999 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3000 if(e!=3){
3001 fprintf(stderr, "error parsing rc_override\n");
3002 av_exit(1);
3003 }
3004 video_enc->rc_override=
3005 av_realloc(video_enc->rc_override,
3006 sizeof(RcOverride)*(i+1));
3007 video_enc->rc_override[i].start_frame= start;
3008 video_enc->rc_override[i].end_frame = end;
3009 if(q>0){
3010 video_enc->rc_override[i].qscale= q;
3011 video_enc->rc_override[i].quality_factor= 1.0;
3012 }
3013 else{
3014 video_enc->rc_override[i].qscale= 0;
3015 video_enc->rc_override[i].quality_factor= -q/100.0;
3016 }
3017 p= strchr(p, '/');
3018 if(p) p++;
3019 }
3020 video_enc->rc_override_count=i;
3021 if (!video_enc->rc_initial_buffer_occupancy)
3022 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3023 video_enc->me_threshold= me_threshold;
3024 video_enc->intra_dc_precision= intra_dc_precision - 8;
3025 video_enc->strict_std_compliance = strict;
3026
3027 if (do_psnr)
3028 video_enc->flags|= CODEC_FLAG_PSNR;
3029
3030 /* two pass mode */
3031 if (do_pass) {
3032 if (do_pass == 1) {
3033 video_enc->flags |= CODEC_FLAG_PASS1;
3034 } else {
3035 video_enc->flags |= CODEC_FLAG_PASS2;
3036 }
3037 }
3038 }
3039
3040 /* reset some key parameters */
3041 video_disable = 0;
3042 av_freep(&video_codec_name);
3043 video_stream_copy = 0;
3044 }
3045
3046 static void new_audio_stream(AVFormatContext *oc)
3047 {
3048 AVStream *st;
3049 AVCodecContext *audio_enc;
3050 int codec_id, i;
3051
3052 st = av_new_stream(oc, oc->nb_streams);
3053 if (!st) {
3054 fprintf(stderr, "Could not alloc stream\n");
3055 av_exit(1);
3056 }
3057 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3058
3059 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3060 audio_bitstream_filters= NULL;
3061
3062 if(thread_count>1)
3063 avcodec_thread_init(st->codec, thread_count);
3064
3065 audio_enc = st->codec;
3066 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3067 audio_enc->strict_std_compliance = strict;
3068
3069 if(audio_codec_tag)
3070 audio_enc->codec_tag= audio_codec_tag;
3071
3072 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3073 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3074 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3075 }
3076 if (audio_stream_copy) {
3077 st->stream_copy = 1;
3078 audio_enc->channels = audio_channels;
3079 } else {
3080 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3081
3082 for(i=0; i<opt_name_count; i++){
3083 char buf[256];
3084 const AVOption *opt;
3085 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3086 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3087 av_set_string(audio_enc, opt_names[i], str);
3088 }
3089
3090 if (audio_codec_name)
3091 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3092 audio_enc->codec_id = codec_id;
3093
3094 if (audio_qscale > QSCALE_NONE) {
3095 audio_enc->flags |= CODEC_FLAG_QSCALE;
3096 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3097 }
3098 audio_enc->thread_count = thread_count;
3099 audio_enc->channels = audio_channels;
3100 }
3101 audio_enc->sample_rate = audio_sample_rate;
3102 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3103 if (audio_language) {
3104 av_strlcpy(st->language, audio_language, sizeof(st->language));
3105 av_free(audio_language);
3106 audio_language = NULL;
3107 }
3108
3109 /* reset some key parameters */
3110 audio_disable = 0;
3111 av_freep(&audio_codec_name);
3112 audio_stream_copy = 0;
3113 }
3114
3115 static void new_subtitle_stream(AVFormatContext *oc)
3116 {
3117 AVStream *st;
3118 AVCodecContext *subtitle_enc;
3119 int i;
3120
3121 st = av_new_stream(oc, oc->nb_streams);
3122 if (!st) {
3123 fprintf(stderr, "Could not alloc stream\n");
3124 av_exit(1);
3125 }
3126 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3127
3128 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3129 subtitle_bitstream_filters= NULL;
3130
3131 subtitle_enc = st->codec;
3132 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3133 if (subtitle_stream_copy) {
3134 st->stream_copy = 1;
3135 } else {
3136 for(i=0; i<opt_name_count; i++){
3137 char buf[256];
3138 const AVOption *opt;
3139 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3140 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3141 av_set_string(subtitle_enc, opt_names[i], str);
3142 }
3143 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3144 }
3145
3146 if (subtitle_language) {
3147 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3148 av_free(subtitle_language);
3149 subtitle_language = NULL;
3150 }
3151
3152 subtitle_disable = 0;
3153 av_freep(&subtitle_codec_name);
3154 subtitle_stream_copy = 0;
3155 }
3156
3157 static void opt_new_audio_stream(void)
3158 {
3159 AVFormatContext *oc;
3160 if (nb_output_files <= 0) {
3161 fprintf(stderr, "At least one output file must be specified\n");
3162 av_exit(1);
3163 }
3164 oc = output_files[nb_output_files - 1];
3165 new_audio_stream(oc);
3166 }
3167
3168 static void opt_new_video_stream(void)
3169 {
3170 AVFormatContext *oc;
3171 if (nb_output_files <= 0) {
3172 fprintf(stderr, "At least one output file must be specified\n");
3173 av_exit(1);
3174 }
3175 oc = output_files[nb_output_files - 1];
3176 new_video_stream(oc);
3177 }
3178
3179 static void opt_new_subtitle_stream(void)
3180 {
3181 AVFormatContext *oc;
3182 if (nb_output_files <= 0) {
3183 fprintf(stderr, "At least one output file must be specified\n");
3184 av_exit(1);
3185 }
3186 oc = output_files[nb_output_files - 1];
3187 new_subtitle_stream(oc);
3188 }
3189
3190 static void opt_output_file(const char *filename)
3191 {
3192 AVFormatContext *oc;
3193 int use_video, use_audio, use_subtitle;
3194 int input_has_video, input_has_audio, input_has_subtitle, i;
3195 AVFormatParameters params, *ap = &params;
3196
3197 if (!strcmp(filename, "-"))
3198 filename = "pipe:";
3199
3200 oc = av_alloc_format_context();
3201
3202 if (!file_oformat) {
3203 file_oformat = guess_format(NULL, filename, NULL);
3204 if (!file_oformat) {
3205 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3206 filename);
3207 av_exit(1);
3208 }
3209 }
3210
3211 oc->oformat = file_oformat;
3212 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3213
3214 if (!strcmp(file_oformat->name, "ffm") &&
3215 av_strstart(filename, "http:", NULL)) {
3216 /* special case for files sent to ffserver: we get the stream
3217 parameters from ffserver */
3218 if (read_ffserver_streams(oc, filename) < 0) {
3219 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3220 av_exit(1);
3221 }
3222 } else {
3223 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3224 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3225 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3226
3227 /* disable if no corresponding type found and at least one
3228