Move show_formats() to cmdutils.c.
[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 "libavformat/avformat.h"
31 #include "libavdevice/avdevice.h"
32 #include "libswscale/swscale.h"
33 #include "libavformat/framehook.h"
34 #include "libavcodec/opt.h"
35 #include "libavutil/fifo.h"
36 #include "libavutil/avstring.h"
37 #include "libavformat/os_support.h"
38
39 #ifdef HAVE_SYS_RESOURCE_H
40 #include <sys/types.h>
41 #include <sys/resource.h>
42 #elif defined(HAVE_GETPROCESSTIMES)
43 #include <windows.h>
44 #endif
45
46 #if defined(HAVE_TERMIOS_H)
47 #include <unistd.h>
48 #include <fcntl.h>
49 #include <sys/ioctl.h>
50 #include <sys/time.h>
51 #include <termios.h>
52 #elif defined(HAVE_CONIO_H)
53 #include <conio.h>
54 #endif
55 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
56 #include <time.h>
57
58 #include "version.h"
59 #include "cmdutils.h"
60
61 #undef NDEBUG
62 #include <assert.h>
63
64 #undef exit
65
66 const char program_name[] = "FFmpeg";
67 static const int program_birth_year = 2000;
68
69 /* select an input stream for an output stream */
70 typedef struct AVStreamMap {
71 int file_index;
72 int stream_index;
73 int sync_file_index;
74 int sync_stream_index;
75 } AVStreamMap;
76
77 /** select an input file for an output file */
78 typedef struct AVMetaDataMap {
79 int out_file;
80 int in_file;
81 } AVMetaDataMap;
82
83 static const OptionDef options[];
84
85 #define MAX_FILES 20
86
87 static AVFormatContext *input_files[MAX_FILES];
88 static int64_t input_files_ts_offset[MAX_FILES];
89 static int nb_input_files = 0;
90
91 static AVFormatContext *output_files[MAX_FILES];
92 static int nb_output_files = 0;
93
94 static AVStreamMap stream_maps[MAX_FILES];
95 static int nb_stream_maps;
96
97 static AVMetaDataMap meta_data_maps[MAX_FILES];
98 static int nb_meta_data_maps;
99
100 static AVInputFormat *file_iformat;
101 static AVOutputFormat *file_oformat;
102 static int frame_width = 0;
103 static int frame_height = 0;
104 static float frame_aspect_ratio = 0;
105 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
106 static int frame_padtop = 0;
107 static int frame_padbottom = 0;
108 static int frame_padleft = 0;
109 static int frame_padright = 0;
110 static int padcolor[3] = {16,128,128}; /* default to black */
111 static int frame_topBand = 0;
112 static int frame_bottomBand = 0;
113 static int frame_leftBand = 0;
114 static int frame_rightBand = 0;
115 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
116 static AVRational frame_rate = (AVRational) {0,0};
117 static float video_qscale = 0;
118 static int video_qdiff = 3;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
125 #endif
126 static const char *video_rc_override_string=NULL;
127 static int video_disable = 0;
128 static int video_discard = 0;
129 static char *video_codec_name = NULL;
130 static int video_codec_tag = 0;
131 static int same_quality = 0;
132 static int do_deinterlace = 0;
133 static int strict = 0;
134 static int top_field_first = -1;
135 static int me_threshold = 0;
136 static int intra_dc_precision = 8;
137 static int loop_input = 0;
138 static int loop_output = AVFMT_NOOUTPUTLOOP;
139 static int qp_hist = 0;
140
141 static int intra_only = 0;
142 static int audio_sample_rate = 44100;
143 #define QSCALE_NONE -99999
144 static float audio_qscale = QSCALE_NONE;
145 static int audio_disable = 0;
146 static int audio_channels = 1;
147 static char *audio_codec_name = NULL;
148 static int audio_codec_tag = 0;
149 static char *audio_language = NULL;
150
151 static int subtitle_disable = 0;
152 static char *subtitle_codec_name = NULL;
153 static char *subtitle_language = NULL;
154
155 static float mux_preload= 0.5;
156 static float mux_max_delay= 0.7;
157
158 static int64_t recording_time = 0;
159 static int64_t start_time = 0;
160 static int64_t rec_timestamp = 0;
161 static int64_t input_ts_offset = 0;
162 static int file_overwrite = 0;
163 static char *str_title = NULL;
164 static char *str_author = NULL;
165 static char *str_copyright = NULL;
166 static char *str_comment = NULL;
167 static char *str_genre = NULL;
168 static char *str_album = NULL;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename = NULL;
175 static int audio_stream_copy = 0;
176 static int video_stream_copy = 0;
177 static int subtitle_stream_copy = 0;
178 static int video_sync_method= 1;
179 static int audio_sync_method= 0;
180 static float audio_drift_threshold= 0.1;
181 static int copy_ts= 0;
182 static int opt_shortest = 0; //
183 static int video_global_header = 0;
184 static char *vstats_filename;
185 static FILE *vstats_file;
186 static int opt_programid = 0;
187
188 static int rate_emu = 0;
189
190 static int video_channel = 0;
191 static char *video_standard;
192
193 static int audio_volume = 256;
194
195 static int using_stdin = 0;
196 static int using_vhook = 0;
197 static int verbose = 1;
198 static int thread_count= 1;
199 static int q_pressed = 0;
200 static int64_t video_size = 0;
201 static int64_t audio_size = 0;
202 static int64_t extra_size = 0;
203 static int nb_frames_dup = 0;
204 static int nb_frames_drop = 0;
205 static int input_sync;
206 static uint64_t limit_filesize = 0; //
207
208 static int pgmyuv_compatibility_hack=0;
209 static float dts_delta_threshold = 10;
210
211 static unsigned int sws_flags = SWS_BICUBIC;
212
213 static const char **opt_names;
214 static int opt_name_count;
215 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216 static AVFormatContext *avformat_opts;
217 static struct SwsContext *sws_opts;
218 static int64_t timer_start;
219
220 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
223 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
224
225 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
226
227 struct AVInputStream;
228
229 typedef struct AVOutputStream {
230 int file_index; /* file index */
231 int index; /* stream index in the output file */
232 int source_index; /* AVInputStream index */
233 AVStream *st; /* stream in the output file */
234 int encoding_needed; /* true if encoding needed for this stream */
235 int frame_number;
236 /* input pts and corresponding output pts
237 for A/V sync */
238 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
239 struct AVInputStream *sync_ist; /* input stream to sync against */
240 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
241 /* video only */
242 int video_resample;
243 AVFrame pict_tmp; /* temporary image for resampling */
244 struct SwsContext *img_resample_ctx; /* for image resampling */
245 int resample_height;
246
247 int video_crop;
248 int topBand; /* cropping area sizes */
249 int leftBand;
250
251 int video_pad;
252 int padtop; /* padding area sizes */
253 int padbottom;
254 int padleft;
255 int padright;
256
257 /* audio only */
258 int audio_resample;
259 ReSampleContext *resample; /* for audio resampling */
260 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
261 FILE *logfile;
262 } AVOutputStream;
263
264 typedef struct AVInputStream {
265 int file_index;
266 int index;
267 AVStream *st;
268 int discard; /* true if stream data should be discarded */
269 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
270 int64_t sample_index; /* current sample */
271
272 int64_t start; /* time when read started */
273 unsigned long frame; /* current frame */
274 int64_t next_pts; /* synthetic pts for cases where pkt.pts
275 is not defined */
276 int64_t pts; /* current pts */
277 int is_start; /* is 1 at the start and after a discontinuity */
278 } AVInputStream;
279
280 typedef struct AVInputFile {
281 int eof_reached; /* true if eof reached */
282 int ist_index; /* index of first stream in ist_table */
283 int buffer_size; /* current total buffer size */
284 int nb_streams; /* nb streams we are aware of */
285 } AVInputFile;
286
287 #ifdef HAVE_TERMIOS_H
288
289 /* init terminal so that we can grab keys */
290 static struct termios oldtty;
291 #endif
292
293 static void term_exit(void)
294 {
295 #ifdef HAVE_TERMIOS_H
296 tcsetattr (0, TCSANOW, &oldtty);
297 #endif
298 }
299
300 static volatile sig_atomic_t received_sigterm = 0;
301
302 static void
303 sigterm_handler(int sig)
304 {
305 received_sigterm = sig;
306 term_exit();
307 }
308
309 static void term_init(void)
310 {
311 #ifdef HAVE_TERMIOS_H
312 struct termios tty;
313
314 tcgetattr (0, &tty);
315 oldtty = tty;
316
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
322 tty.c_cflag |= CS8;
323 tty.c_cc[VMIN] = 1;
324 tty.c_cc[VTIME] = 0;
325
326 tcsetattr (0, TCSANOW, &tty);
327 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328 #endif
329
330 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
332 /*
333 register a function to be called at normal program termination
334 */
335 atexit(term_exit);
336 #ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
338 #endif
339 }
340
341 /* read a key without blocking */
342 static int read_key(void)
343 {
344 #if defined(HAVE_TERMIOS_H)
345 int n = 1;
346 unsigned char ch;
347 #ifndef CONFIG_BEOS_NETSERVER
348 struct timeval tv;
349 fd_set rfds;
350
351 FD_ZERO(&rfds);
352 FD_SET(0, &rfds);
353 tv.tv_sec = 0;
354 tv.tv_usec = 0;
355 n = select(1, &rfds, NULL, NULL, &tv);
356 #endif
357 if (n > 0) {
358 n = read(0, &ch, 1);
359 if (n == 1)
360 return ch;
361
362 return n;
363 }
364 #elif defined(HAVE_CONIO_H)
365 if(kbhit())
366 return(getch());
367 #endif
368 return -1;
369 }
370
371 static int decode_interrupt_cb(void)
372 {
373 return q_pressed || (q_pressed = read_key() == 'q');
374 }
375
376 static int av_exit(int ret)
377 {
378 int i;
379
380 /* close files */
381 for(i=0;i<nb_output_files;i++) {
382 /* maybe av_close_output_file ??? */
383 AVFormatContext *s = output_files[i];
384 int j;
385 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
386 url_fclose(s->pb);
387 for(j=0;j<s->nb_streams;j++) {
388 av_free(s->streams[j]->codec);
389 av_free(s->streams[j]);
390 }
391 av_free(s);
392 }
393 for(i=0;i<nb_input_files;i++)
394 av_close_input_file(input_files[i]);
395
396 av_free_static();
397
398 av_free(intra_matrix);
399 av_free(inter_matrix);
400
401 if (vstats_file)
402 fclose(vstats_file);
403 av_free(vstats_filename);
404
405 av_free(opt_names);
406
407 av_free(video_codec_name);
408 av_free(audio_codec_name);
409 av_free(subtitle_codec_name);
410
411 av_free(video_standard);
412
413 #ifdef CONFIG_POWERPC_PERF
414 extern void powerpc_display_perf_report(void);
415 powerpc_display_perf_report();
416 #endif /* CONFIG_POWERPC_PERF */
417
418 if (received_sigterm) {
419 fprintf(stderr,
420 "Received signal %d: terminating.\n",
421 (int) received_sigterm);
422 exit (255);
423 }
424
425 exit(ret); /* not all OS-es handle main() return value */
426 return ret;
427 }
428
429 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
430 {
431 int i, err;
432 AVFormatContext *ic;
433
434 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
435 if (err < 0)
436 return err;
437 /* copy stream format */
438 s->nb_streams = ic->nb_streams;
439 for(i=0;i<ic->nb_streams;i++) {
440 AVStream *st;
441
442 // FIXME: a more elegant solution is needed
443 st = av_mallocz(sizeof(AVStream));
444 memcpy(st, ic->streams[i], sizeof(AVStream));
445 st->codec = avcodec_alloc_context();
446 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
447 s->streams[i] = st;
448 }
449
450 av_close_input_file(ic);
451 return 0;
452 }
453
454 static double
455 get_sync_ipts(const AVOutputStream *ost)
456 {
457 const AVInputStream *ist = ost->sync_ist;
458 return (double)(ist->pts - start_time)/AV_TIME_BASE;
459 }
460
461 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
462 int ret;
463
464 while(bsfc){
465 AVPacket new_pkt= *pkt;
466 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
467 &new_pkt.data, &new_pkt.size,
468 pkt->data, pkt->size,
469 pkt->flags & PKT_FLAG_KEY);
470 if(a>0){
471 av_free_packet(pkt);
472 new_pkt.destruct= av_destruct_packet;
473 } else if(a<0){
474 fprintf(stderr, "%s failed for stream %d, codec %s",
475 bsfc->filter->name, pkt->stream_index,
476 avctx->codec ? avctx->codec->name : "copy");
477 print_error("", a);
478 }
479 *pkt= new_pkt;
480
481 bsfc= bsfc->next;
482 }
483
484 ret= av_interleaved_write_frame(s, pkt);
485 if(ret < 0){
486 print_error("av_interleaved_write_frame()", ret);
487 av_exit(1);
488 }
489 }
490
491 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
492
493 static void do_audio_out(AVFormatContext *s,
494 AVOutputStream *ost,
495 AVInputStream *ist,
496 unsigned char *buf, int size)
497 {
498 uint8_t *buftmp;
499 static uint8_t *audio_buf = NULL;
500 static uint8_t *audio_out = NULL;
501 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
502
503 int size_out, frame_bytes, ret;
504 AVCodecContext *enc= ost->st->codec;
505 AVCodecContext *dec= ist->st->codec;
506
507 /* SC: dynamic allocation of buffers */
508 if (!audio_buf)
509 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
510 if (!audio_out)
511 audio_out = av_malloc(audio_out_size);
512 if (!audio_buf || !audio_out)
513 return; /* Should signal an error ! */
514
515 if (enc->channels != dec->channels)
516 ost->audio_resample = 1;
517
518 if (ost->audio_resample && !ost->resample) {
519 ost->resample = audio_resample_init(enc->channels, dec->channels,
520 enc->sample_rate, dec->sample_rate);
521 if (!ost->resample) {
522 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
523 dec->channels, dec->sample_rate,
524 enc->channels, enc->sample_rate);
525 av_exit(1);
526 }
527 }
528
529 if(audio_sync_method){
530 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
531 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
532 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
533 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
534
535 //FIXME resample delay
536 if(fabs(delta) > 50){
537 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
538 if(byte_delta < 0){
539 byte_delta= FFMAX(byte_delta, -size);
540 size += byte_delta;
541 buf -= byte_delta;
542 if(verbose > 2)
543 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
544 if(!size)
545 return;
546 ist->is_start=0;
547 }else{
548 static uint8_t *input_tmp= NULL;
549 input_tmp= av_realloc(input_tmp, byte_delta + size);
550
551 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
552 ist->is_start=0;
553 else
554 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
555
556 memset(input_tmp, 0, byte_delta);
557 memcpy(input_tmp + byte_delta, buf, size);
558 buf= input_tmp;
559 size += byte_delta;
560 if(verbose > 2)
561 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
562 }
563 }else if(audio_sync_method>1){
564 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
565 assert(ost->audio_resample);
566 if(verbose > 2)
567 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
568 // 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));
569 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
570 }
571 }
572 }else
573 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
574 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
575
576 if (ost->audio_resample) {
577 buftmp = audio_buf;
578 size_out = audio_resample(ost->resample,
579 (short *)buftmp, (short *)buf,
580 size / (ist->st->codec->channels * 2));
581 size_out = size_out * enc->channels * 2;
582 } else {
583 buftmp = buf;
584 size_out = size;
585 }
586
587 /* now encode as many frames as possible */
588 if (enc->frame_size > 1) {
589 /* output resampled raw samples */
590 av_fifo_realloc(&ost->fifo, av_fifo_size(&ost->fifo) + size_out + 1);
591 av_fifo_write(&ost->fifo, buftmp, size_out);
592
593 frame_bytes = enc->frame_size * 2 * enc->channels;
594
595 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
596 AVPacket pkt;
597 av_init_packet(&pkt);
598
599 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
600
601 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
602 (short *)audio_buf);
603 audio_size += ret;
604 pkt.stream_index= ost->index;
605 pkt.data= audio_out;
606 pkt.size= ret;
607 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
608 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
609 pkt.flags |= PKT_FLAG_KEY;
610 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
611
612 ost->sync_opts += enc->frame_size;
613 }
614 } else {
615 AVPacket pkt;
616 av_init_packet(&pkt);
617
618 ost->sync_opts += size_out / (2 * enc->channels);
619
620 /* output a pcm frame */
621 /* XXX: change encoding codec API to avoid this ? */
622 switch(enc->codec->id) {
623 case CODEC_ID_PCM_S32LE:
624 case CODEC_ID_PCM_S32BE:
625 case CODEC_ID_PCM_U32LE:
626 case CODEC_ID_PCM_U32BE:
627 size_out = size_out << 1;
628 break;
629 case CODEC_ID_PCM_S24LE:
630 case CODEC_ID_PCM_S24BE:
631 case CODEC_ID_PCM_U24LE:
632 case CODEC_ID_PCM_U24BE:
633 case CODEC_ID_PCM_S24DAUD:
634 size_out = size_out / 2 * 3;
635 break;
636 case CODEC_ID_PCM_S16LE:
637 case CODEC_ID_PCM_S16BE:
638 case CODEC_ID_PCM_U16LE:
639 case CODEC_ID_PCM_U16BE:
640 break;
641 default:
642 size_out = size_out >> 1;
643 break;
644 }
645 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
646 ret = avcodec_encode_audio(enc, audio_out, size_out,
647 (short *)buftmp);
648 audio_size += ret;
649 pkt.stream_index= ost->index;
650 pkt.data= audio_out;
651 pkt.size= ret;
652 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
653 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
654 pkt.flags |= PKT_FLAG_KEY;
655 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
656 }
657 }
658
659 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
660 {
661 AVCodecContext *dec;
662 AVPicture *picture2;
663 AVPicture picture_tmp;
664 uint8_t *buf = 0;
665
666 dec = ist->st->codec;
667
668 /* deinterlace : must be done before any resize */
669 if (do_deinterlace || using_vhook) {
670 int size;
671
672 /* create temporary picture */
673 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
674 buf = av_malloc(size);
675 if (!buf)
676 return;
677
678 picture2 = &picture_tmp;
679 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
680
681 if (do_deinterlace){
682 if(avpicture_deinterlace(picture2, picture,
683 dec->pix_fmt, dec->width, dec->height) < 0) {
684 /* if error, do not deinterlace */
685 av_free(buf);
686 buf = NULL;
687 picture2 = picture;
688 }
689 } else {
690 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
691 }
692 } else {
693 picture2 = picture;
694 }
695
696 if (ENABLE_VHOOK)
697 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
698 1000000 * ist->pts / AV_TIME_BASE);
699
700 if (picture != picture2)
701 *picture = *picture2;
702 *bufp = buf;
703 }
704
705 /* we begin to correct av delay at this threshold */
706 #define AV_DELAY_MAX 0.100
707
708 static void do_subtitle_out(AVFormatContext *s,
709 AVOutputStream *ost,
710 AVInputStream *ist,
711 AVSubtitle *sub,
712 int64_t pts)
713 {
714 static uint8_t *subtitle_out = NULL;
715 int subtitle_out_max_size = 65536;
716 int subtitle_out_size, nb, i;
717 AVCodecContext *enc;
718 AVPacket pkt;
719
720 if (pts == AV_NOPTS_VALUE) {
721 fprintf(stderr, "Subtitle packets must have a pts\n");
722 return;
723 }
724
725 enc = ost->st->codec;
726
727 if (!subtitle_out) {
728 subtitle_out = av_malloc(subtitle_out_max_size);
729 }
730
731 /* Note: DVB subtitle need one packet to draw them and one other
732 packet to clear them */
733 /* XXX: signal it in the codec context ? */
734 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
735 nb = 2;
736 else
737 nb = 1;
738
739 for(i = 0; i < nb; i++) {
740 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
741 subtitle_out_max_size, sub);
742
743 av_init_packet(&pkt);
744 pkt.stream_index = ost->index;
745 pkt.data = subtitle_out;
746 pkt.size = subtitle_out_size;
747 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
748 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
749 /* XXX: the pts correction is handled here. Maybe handling
750 it in the codec would be better */
751 if (i == 0)
752 pkt.pts += 90 * sub->start_display_time;
753 else
754 pkt.pts += 90 * sub->end_display_time;
755 }
756 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
757 }
758 }
759
760 static int bit_buffer_size= 1024*256;
761 static uint8_t *bit_buffer= NULL;
762
763 static void do_video_out(AVFormatContext *s,
764 AVOutputStream *ost,
765 AVInputStream *ist,
766 AVFrame *in_picture,
767 int *frame_size)
768 {
769 int nb_frames, i, ret;
770 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
771 AVFrame picture_crop_temp, picture_pad_temp;
772 AVCodecContext *enc, *dec;
773
774 avcodec_get_frame_defaults(&picture_crop_temp);
775 avcodec_get_frame_defaults(&picture_pad_temp);
776
777 enc = ost->st->codec;
778 dec = ist->st->codec;
779
780 /* by default, we output a single frame */
781 nb_frames = 1;
782
783 *frame_size = 0;
784
785 if(video_sync_method){
786 double vdelta;
787 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
788 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
789 if (vdelta < -1.1)
790 nb_frames = 0;
791 else if (video_sync_method == 2)
792 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
793 else if (vdelta > 1.1)
794 nb_frames = lrintf(vdelta);
795 //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);
796 if (nb_frames == 0){
797 ++nb_frames_drop;
798 if (verbose>2)
799 fprintf(stderr, "*** drop!\n");
800 }else if (nb_frames > 1) {
801 nb_frames_dup += nb_frames;
802 if (verbose>2)
803 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
804 }
805 }else
806 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
807
808 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
809 if (nb_frames <= 0)
810 return;
811
812 if (ost->video_crop) {
813 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
814 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
815 return;
816 }
817 formatted_picture = &picture_crop_temp;
818 } else {
819 formatted_picture = in_picture;
820 }
821
822 final_picture = formatted_picture;
823 padding_src = formatted_picture;
824 resampling_dst = &ost->pict_tmp;
825 if (ost->video_pad) {
826 final_picture = &ost->pict_tmp;
827 if (ost->video_resample) {
828 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
829 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
830 return;
831 }
832 resampling_dst = &picture_pad_temp;
833 }
834 }
835
836 if (ost->video_resample) {
837 padding_src = NULL;
838 final_picture = &ost->pict_tmp;
839 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
840 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
841 }
842
843 if (ost->video_pad) {
844 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
845 enc->height, enc->width, enc->pix_fmt,
846 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
847 }
848
849 /* duplicates frame if needed */
850 for(i=0;i<nb_frames;i++) {
851 AVPacket pkt;
852 av_init_packet(&pkt);
853 pkt.stream_index= ost->index;
854
855 if (s->oformat->flags & AVFMT_RAWPICTURE) {
856 /* raw pictures are written as AVPicture structure to
857 avoid any copies. We support temorarily the older
858 method. */
859 AVFrame* old_frame = enc->coded_frame;
860 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
861 pkt.data= (uint8_t *)final_picture;
862 pkt.size= sizeof(AVPicture);
863 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
864 pkt.flags |= PKT_FLAG_KEY;
865
866 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
867 enc->coded_frame = old_frame;
868 } else {
869 AVFrame big_picture;
870
871 big_picture= *final_picture;
872 /* better than nothing: use input picture interlaced
873 settings */
874 big_picture.interlaced_frame = in_picture->interlaced_frame;
875 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
876 if(top_field_first == -1)
877 big_picture.top_field_first = in_picture->top_field_first;
878 else
879 big_picture.top_field_first = top_field_first;
880 }
881
882 /* handles sameq here. This is not correct because it may
883 not be a global option */
884 if (same_quality) {
885 big_picture.quality = ist->st->quality;
886 }else
887 big_picture.quality = ost->st->quality;
888 if(!me_threshold)
889 big_picture.pict_type = 0;
890 // big_picture.pts = AV_NOPTS_VALUE;
891 big_picture.pts= ost->sync_opts;
892 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
893 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
894 ret = avcodec_encode_video(enc,
895 bit_buffer, bit_buffer_size,
896 &big_picture);
897 if (ret == -1) {
898 fprintf(stderr, "Video encoding failed\n");
899 av_exit(1);
900 }
901 //enc->frame_number = enc->real_pict_num;
902 if(ret>0){
903 pkt.data= bit_buffer;
904 pkt.size= ret;
905 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
906 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
907 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
908 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
909 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
910
911 if(enc->coded_frame && enc->coded_frame->key_frame)
912 pkt.flags |= PKT_FLAG_KEY;
913 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
914 *frame_size = ret;
915 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
916 // enc->frame_number-1, enc->real_pict_num, ret,
917 // enc->pict_type);
918 /* if two pass, output log */
919 if (ost->logfile && enc->stats_out) {
920 fprintf(ost->logfile, "%s", enc->stats_out);
921 }
922 }
923 }
924 ost->sync_opts++;
925 ost->frame_number++;
926 }
927 }
928
929 static double psnr(double d){
930 return -10.0*log(d)/log(10.0);
931 }
932
933 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
934 int frame_size)
935 {
936 AVCodecContext *enc;
937 int frame_number;
938 double ti1, bitrate, avg_bitrate;
939
940 /* this is executed just the first time do_video_stats is called */
941 if (!vstats_file) {
942 vstats_file = fopen(vstats_filename, "w");
943 if (!vstats_file) {
944 perror("fopen");
945 av_exit(1);
946 }
947 }
948
949 enc = ost->st->codec;
950 if (enc->codec_type == CODEC_TYPE_VIDEO) {
951 frame_number = ost->frame_number;
952 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
953 if (enc->flags&CODEC_FLAG_PSNR)
954 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
955
956 fprintf(vstats_file,"f_size= %6d ", frame_size);
957 /* compute pts value */
958 ti1 = ost->sync_opts * av_q2d(enc->time_base);
959 if (ti1 < 0.01)
960 ti1 = 0.01;
961
962 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
963 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
964 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
965 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
966 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
967 }
968 }
969
970 static void print_report(AVFormatContext **output_files,
971 AVOutputStream **ost_table, int nb_ostreams,
972 int is_last_report)
973 {
974 char buf[1024];
975 AVOutputStream *ost;
976 AVFormatContext *oc, *os;
977 int64_t total_size;
978 AVCodecContext *enc;
979 int frame_number, vid, i;
980 double bitrate, ti1, pts;
981 static int64_t last_time = -1;
982 static int qp_histogram[52];
983
984 if (!is_last_report) {
985 int64_t cur_time;
986 /* display the report every 0.5 seconds */
987 cur_time = av_gettime();
988 if (last_time == -1) {
989 last_time = cur_time;
990 return;
991 }
992 if ((cur_time - last_time) < 500000)
993 return;
994 last_time = cur_time;
995 }
996
997
998 oc = output_files[0];
999
1000 total_size = url_fsize(oc->pb);
1001 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1002 total_size= url_ftell(oc->pb);
1003
1004 buf[0] = '\0';
1005 ti1 = 1e10;
1006 vid = 0;
1007 for(i=0;i<nb_ostreams;i++) {
1008 ost = ost_table[i];
1009 os = output_files[ost->file_index];
1010 enc = ost->st->codec;
1011 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1012 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1013 enc->coded_frame && !ost->st->stream_copy ?
1014 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1015 }
1016 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1017 float t = (av_gettime()-timer_start) / 1000000.0;
1018
1019 frame_number = ost->frame_number;
1020 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1021 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1022 enc->coded_frame && !ost->st->stream_copy ?
1023 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1024 if(is_last_report)
1025 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1026 if(qp_hist && enc->coded_frame){
1027 int j;
1028 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1029 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1030 qp_histogram[qp]++;
1031 for(j=0; j<32; j++)
1032 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1033 }
1034 if (enc->flags&CODEC_FLAG_PSNR){
1035 int j;
1036 double error, error_sum=0;
1037 double scale, scale_sum=0;
1038 char type[3]= {'Y','U','V'};
1039 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1040 for(j=0; j<3; j++){
1041 if(is_last_report){
1042 error= enc->error[j];
1043 scale= enc->width*enc->height*255.0*255.0*frame_number;
1044 }else{
1045 error= enc->coded_frame->error[j];
1046 scale= enc->width*enc->height*255.0*255.0;
1047 }
1048 if(j) scale/=4;
1049 error_sum += error;
1050 scale_sum += scale;
1051 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1052 }
1053 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1054 }
1055 vid = 1;
1056 }
1057 /* compute min output value */
1058 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1059 if ((pts < ti1) && (pts > 0))
1060 ti1 = pts;
1061 }
1062 if (ti1 < 0.01)
1063 ti1 = 0.01;
1064
1065 if (verbose || is_last_report) {
1066 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1067
1068 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1069 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1070 (double)total_size / 1024, ti1, bitrate);
1071
1072 if (verbose > 1)
1073 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1074 nb_frames_dup, nb_frames_drop);
1075
1076 if (verbose >= 0)
1077 fprintf(stderr, "%s \r", buf);
1078
1079 fflush(stderr);
1080 }
1081
1082 if (is_last_report && verbose >= 0){
1083 int64_t raw= audio_size + video_size + extra_size;
1084 fprintf(stderr, "\n");
1085 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1086 video_size/1024.0,
1087 audio_size/1024.0,
1088 extra_size/1024.0,
1089 100.0*(total_size - raw)/raw
1090 );
1091 }
1092 }
1093
1094 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1095 static int output_packet(AVInputStream *ist, int ist_index,
1096 AVOutputStream **ost_table, int nb_ostreams,
1097 const AVPacket *pkt)
1098 {
1099 AVFormatContext *os;
1100 AVOutputStream *ost;
1101 uint8_t *ptr;
1102 int len, ret, i;
1103 uint8_t *data_buf;
1104 int data_size, got_picture;
1105 AVFrame picture;
1106 void *buffer_to_free;
1107 static unsigned int samples_size= 0;
1108 static short *samples= NULL;
1109 AVSubtitle subtitle, *subtitle_to_free;
1110 int got_subtitle;
1111
1112 if(ist->next_pts == AV_NOPTS_VALUE)
1113 ist->next_pts= ist->pts;
1114
1115 if (pkt == NULL) {
1116 /* EOF handling */
1117 ptr = NULL;
1118 len = 0;
1119 goto handle_eof;
1120 }
1121
1122 if(pkt->dts != AV_NOPTS_VALUE)
1123 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1124
1125 len = pkt->size;
1126 ptr = pkt->data;
1127 while (len > 0) {
1128 handle_eof:
1129 ist->pts= ist->next_pts;
1130
1131 if(len && len != pkt->size && verbose>0)
1132 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1133
1134 /* decode the packet if needed */
1135 data_buf = NULL; /* fail safe */
1136 data_size = 0;
1137 subtitle_to_free = NULL;
1138 if (ist->decoding_needed) {
1139 switch(ist->st->codec->codec_type) {
1140 case CODEC_TYPE_AUDIO:{
1141 if(pkt)
1142 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1143 data_size= samples_size;
1144 /* XXX: could avoid copy if PCM 16 bits with same
1145 endianness as CPU */
1146 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1147 ptr, len);
1148 if (ret < 0)
1149 goto fail_decode;
1150 ptr += ret;
1151 len -= ret;
1152 /* Some bug in mpeg audio decoder gives */
1153 /* data_size < 0, it seems they are overflows */
1154 if (data_size <= 0) {
1155 /* no audio frame */
1156 continue;
1157 }
1158 data_buf = (uint8_t *)samples;
1159 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1160 (ist->st->codec->sample_rate * ist->st->codec->channels);
1161 break;}
1162 case CODEC_TYPE_VIDEO:
1163 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1164 /* XXX: allocate picture correctly */
1165 avcodec_get_frame_defaults(&picture);
1166
1167 ret = avcodec_decode_video(ist->st->codec,
1168 &picture, &got_picture, ptr, len);
1169 ist->st->quality= picture.quality;
1170 if (ret < 0)
1171 goto fail_decode;
1172 if (!got_picture) {
1173 /* no picture yet */
1174 goto discard_packet;
1175 }
1176 if (ist->st->codec->time_base.num != 0) {
1177 ist->next_pts += ((int64_t)AV_TIME_BASE *
1178 ist->st->codec->time_base.num) /
1179 ist->st->codec->time_base.den;
1180 }
1181 len = 0;
1182 break;
1183 case CODEC_TYPE_SUBTITLE:
1184 ret = avcodec_decode_subtitle(ist->st->codec,
1185 &subtitle, &got_subtitle, ptr, len);
1186 if (ret < 0)
1187 goto fail_decode;
1188 if (!got_subtitle) {
1189 goto discard_packet;
1190 }
1191 subtitle_to_free = &subtitle;
1192 len = 0;
1193 break;
1194 default:
1195 goto fail_decode;
1196 }
1197 } else {
1198 switch(ist->st->codec->codec_type) {
1199 case CODEC_TYPE_AUDIO:
1200 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1201 ist->st->codec->sample_rate;
1202 break;
1203 case CODEC_TYPE_VIDEO:
1204 if (ist->st->codec->time_base.num != 0) {
1205 ist->next_pts += ((int64_t)AV_TIME_BASE *
1206 ist->st->codec->time_base.num) /
1207 ist->st->codec->time_base.den;
1208 }
1209 break;
1210 }
1211 data_buf = ptr;
1212 data_size = len;
1213 ret = len;
1214 len = 0;
1215 }
1216
1217 buffer_to_free = NULL;
1218 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1219 pre_process_video_frame(ist, (AVPicture *)&picture,
1220 &buffer_to_free);
1221 }
1222
1223 // preprocess audio (volume)
1224 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1225 if (audio_volume != 256) {
1226 short *volp;
1227 volp = samples;
1228 for(i=0;i<(data_size / sizeof(short));i++) {
1229 int v = ((*volp) * audio_volume + 128) >> 8;
1230 if (v < -32768) v = -32768;
1231 if (v > 32767) v = 32767;
1232 *volp++ = v;
1233 }
1234 }
1235 }
1236
1237 /* frame rate emulation */
1238 if (ist->st->codec->rate_emu) {
1239 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1240 int64_t now = av_gettime() - ist->start;
1241 if (pts > now)
1242 usleep(pts - now);
1243
1244 ist->frame++;
1245 }
1246
1247 #if 0
1248 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1249 is the one of the next displayed one */
1250 /* XXX: add mpeg4 too ? */
1251 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1252 if (ist->st->codec->pict_type != B_TYPE) {
1253 int64_t tmp;
1254 tmp = ist->last_ip_pts;
1255 ist->last_ip_pts = ist->frac_pts.val;
1256 ist->frac_pts.val = tmp;
1257 }
1258 }
1259 #endif
1260 /* if output time reached then transcode raw format,
1261 encode packets and output them */
1262 if (start_time == 0 || ist->pts >= start_time)
1263 for(i=0;i<nb_ostreams;i++) {
1264 int frame_size;
1265
1266 ost = ost_table[i];
1267 if (ost->source_index == ist_index) {
1268 os = output_files[ost->file_index];
1269
1270 #if 0
1271 printf("%d: got pts=%0.3f %0.3f\n", i,
1272 (double)pkt->pts / AV_TIME_BASE,
1273 ((double)ist->pts / AV_TIME_BASE) -
1274 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1275 #endif
1276 /* set the input output pts pairs */
1277 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1278
1279 if (ost->encoding_needed) {
1280 switch(ost->st->codec->codec_type) {
1281 case CODEC_TYPE_AUDIO:
1282 do_audio_out(os, ost, ist, data_buf, data_size);
1283 break;
1284 case CODEC_TYPE_VIDEO:
1285 do_video_out(os, ost, ist, &picture, &frame_size);
1286 video_size += frame_size;
1287 if (vstats_filename && frame_size)
1288 do_video_stats(os, ost, frame_size);
1289 break;
1290 case CODEC_TYPE_SUBTITLE:
1291 do_subtitle_out(os, ost, ist, &subtitle,
1292 pkt->pts);
1293 break;
1294 default:
1295 abort();
1296 }
1297 } else {
1298 AVFrame avframe; //FIXME/XXX remove this
1299 AVPacket opkt;
1300 av_init_packet(&opkt);
1301
1302 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1303 continue;
1304
1305 /* no reencoding needed : output the packet directly */
1306 /* force the input stream PTS */
1307
1308 avcodec_get_frame_defaults(&avframe);
1309 ost->st->codec->coded_frame= &avframe;
1310 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1311
1312 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1313 audio_size += data_size;
1314 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1315 video_size += data_size;
1316 ost->sync_opts++;
1317 }
1318
1319 opkt.stream_index= ost->index;
1320 if(pkt->pts != AV_NOPTS_VALUE)
1321 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1322 else
1323 opkt.pts= AV_NOPTS_VALUE;
1324
1325 if (pkt->dts == AV_NOPTS_VALUE)
1326 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1327 else
1328 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1329
1330 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1331 opkt.flags= pkt->flags;
1332
1333 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1334 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1335 opkt.destruct= av_destruct_packet;
1336
1337 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1338 ost->st->codec->frame_number++;
1339 ost->frame_number++;
1340 av_free_packet(&opkt);
1341 }
1342 }
1343 }
1344 av_free(buffer_to_free);
1345 /* XXX: allocate the subtitles in the codec ? */
1346 if (subtitle_to_free) {
1347 if (subtitle_to_free->rects != NULL) {
1348 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1349 av_free(subtitle_to_free->rects[i].bitmap);
1350 av_free(subtitle_to_free->rects[i].rgba_palette);
1351 }
1352 av_freep(&subtitle_to_free->rects);
1353 }
1354 subtitle_to_free->num_rects = 0;
1355 subtitle_to_free = NULL;
1356 }
1357 }
1358 discard_packet:
1359 if (pkt == NULL) {
1360 /* EOF handling */
1361
1362 for(i=0;i<nb_ostreams;i++) {
1363 ost = ost_table[i];
1364 if (ost->source_index == ist_index) {
1365 AVCodecContext *enc= ost->st->codec;
1366 os = output_files[ost->file_index];
1367
1368 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1369 continue;
1370 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1371 continue;
1372
1373 if (ost->encoding_needed) {
1374 for(;;) {
1375 AVPacket pkt;
1376 int fifo_bytes;
1377 av_init_packet(&pkt);
1378 pkt.stream_index= ost->index;
1379
1380 switch(ost->st->codec->codec_type) {
1381 case CODEC_TYPE_AUDIO:
1382 fifo_bytes = av_fifo_size(&ost->fifo);
1383 ret = 0;
1384 /* encode any samples remaining in fifo */
1385 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1386 int fs_tmp = enc->frame_size;
1387 enc->frame_size = fifo_bytes / (2 * enc->channels);
1388 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1389 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1390 }
1391 enc->frame_size = fs_tmp;
1392 }
1393 if(ret <= 0) {
1394 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1395 }
1396 audio_size += ret;
1397 pkt.flags |= PKT_FLAG_KEY;
1398 break;
1399 case CODEC_TYPE_VIDEO:
1400 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1401 video_size += ret;
1402 if(enc->coded_frame && enc->coded_frame->key_frame)
1403 pkt.flags |= PKT_FLAG_KEY;
1404 if (ost->logfile && enc->stats_out) {
1405 fprintf(ost->logfile, "%s", enc->stats_out);
1406 }
1407 break;
1408 default:
1409 ret=-1;
1410 }
1411
1412 if(ret<=0)
1413 break;
1414 pkt.data= bit_buffer;
1415 pkt.size= ret;
1416 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1417 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1418 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1419 }
1420 }
1421 }
1422 }
1423 }
1424
1425 return 0;
1426 fail_decode:
1427 return -1;
1428 }
1429
1430 static void print_sdp(AVFormatContext **avc, int n)
1431 {
1432 char sdp[2048];
1433
1434 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1435 printf("SDP:\n%s\n", sdp);
1436 }
1437
1438 static int stream_index_from_inputs(AVFormatContext **input_files,
1439 int nb_input_files,
1440 AVInputFile *file_table,
1441 AVInputStream **ist_table,
1442 enum CodecType type,
1443 int programid)
1444 {
1445 int p, q, z;
1446 for(z=0; z<nb_input_files; z++) {
1447 AVFormatContext *ic = input_files[z];
1448 for(p=0; p<ic->nb_programs; p++) {
1449 AVProgram *program = ic->programs[p];
1450 if(program->id != programid)
1451 continue;
1452 for(q=0; q<program->nb_stream_indexes; q++) {
1453 int sidx = program->stream_index[q];
1454 int ris = file_table[z].ist_index + sidx;
1455 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1456 return ris;
1457 }
1458 }
1459 }
1460
1461 return -1;
1462 }
1463
1464 /*
1465 * The following code is the main loop of the file converter
1466 */
1467 static int av_encode(AVFormatContext **output_files,
1468 int nb_output_files,
1469 AVFormatContext **input_files,
1470 int nb_input_files,
1471 AVStreamMap *stream_maps, int nb_stream_maps)
1472 {
1473 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1474 AVFormatContext *is, *os;
1475 AVCodecContext *codec, *icodec;
1476 AVOutputStream *ost, **ost_table = NULL;
1477 AVInputStream *ist, **ist_table = NULL;
1478 AVInputFile *file_table;
1479 int key;
1480 int want_sdp = 1;
1481
1482 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1483 if (!file_table)
1484 goto fail;
1485
1486 /* input stream init */
1487 j = 0;
1488 for(i=0;i<nb_input_files;i++) {
1489 is = input_files[i];
1490 file_table[i].ist_index = j;
1491 file_table[i].nb_streams = is->nb_streams;
1492 j += is->nb_streams;
1493 }
1494 nb_istreams = j;
1495
1496 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1497 if (!ist_table)
1498 goto fail;
1499
1500 for(i=0;i<nb_istreams;i++) {
1501 ist = av_mallocz(sizeof(AVInputStream));
1502 if (!ist)
1503 goto fail;
1504 ist_table[i] = ist;
1505 }
1506 j = 0;
1507 for(i=0;i<nb_input_files;i++) {
1508 is = input_files[i];
1509 for(k=0;k<is->nb_streams;k++) {
1510 ist = ist_table[j++];
1511 ist->st = is->streams[k];
1512 ist->file_index = i;
1513 ist->index = k;
1514 ist->discard = 1; /* the stream is discarded by default
1515 (changed later) */
1516
1517 if (ist->st->codec->rate_emu) {
1518 ist->start = av_gettime();
1519 ist->frame = 0;
1520 }
1521 }
1522 }
1523
1524 /* output stream init */
1525 nb_ostreams = 0;
1526 for(i=0;i<nb_output_files;i++) {
1527 os = output_files[i];
1528 if (!os->nb_streams) {
1529 fprintf(stderr, "Output file does not contain any stream\n");
1530 av_exit(1);
1531 }
1532 nb_ostreams += os->nb_streams;
1533 }
1534 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1535 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1536 av_exit(1);
1537 }
1538
1539 /* Sanity check the mapping args -- do the input files & streams exist? */
1540 for(i=0;i<nb_stream_maps;i++) {
1541 int fi = stream_maps[i].file_index;
1542 int si = stream_maps[i].stream_index;
1543
1544 if (fi < 0 || fi > nb_input_files - 1 ||
1545 si < 0 || si > file_table[fi].nb_streams - 1) {
1546 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1547 av_exit(1);
1548 }
1549 fi = stream_maps[i].sync_file_index;
1550 si = stream_maps[i].sync_stream_index;
1551 if (fi < 0 || fi > nb_input_files - 1 ||
1552 si < 0 || si > file_table[fi].nb_streams - 1) {
1553 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1554 av_exit(1);
1555 }
1556 }
1557
1558 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1559 if (!ost_table)
1560 goto fail;
1561 for(i=0;i<nb_ostreams;i++) {
1562 ost = av_mallocz(sizeof(AVOutputStream));
1563 if (!ost)
1564 goto fail;
1565 ost_table[i] = ost;
1566 }
1567
1568 n = 0;
1569 for(k=0;k<nb_output_files;k++) {
1570 os = output_files[k];
1571 for(i=0;i<os->nb_streams;i++) {
1572 int found;
1573 ost = ost_table[n++];
1574 ost->file_index = k;
1575 ost->index = i;
1576 ost->st = os->streams[i];
1577 if (nb_stream_maps > 0) {
1578 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1579 stream_maps[n-1].stream_index;
1580
1581 /* Sanity check that the stream types match */
1582 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1583 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1584 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1585 ost->file_index, ost->index);
1586 av_exit(1);
1587 }
1588
1589 } else {
1590 if(opt_programid) {
1591 found = 0;
1592 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1593 if(j != -1) {
1594 ost->source_index = j;
1595 found = 1;
1596 }
1597 } else {
1598 /* get corresponding input stream index : we select the first one with the right type */
1599 found = 0;
1600 for(j=0;j<nb_istreams;j++) {
1601 ist = ist_table[j];
1602 if (ist->discard &&
1603 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1604 ost->source_index = j;
1605 found = 1;
1606 break;
1607 }
1608 }
1609 }
1610
1611 if (!found) {
1612 if(! opt_programid) {
1613 /* try again and reuse existing stream */
1614 for(j=0;j<nb_istreams;j++) {
1615 ist = ist_table[j];
1616 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1617 ost->source_index = j;
1618 found = 1;
1619 }
1620 }
1621 }
1622 if (!found) {
1623 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1624 ost->file_index, ost->index);
1625 av_exit(1);
1626 }
1627 }
1628 }
1629 ist = ist_table[ost->source_index];
1630 ist->discard = 0;
1631 ost->sync_ist = (nb_stream_maps > 0) ?
1632 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1633 stream_maps[n-1].sync_stream_index] : ist;
1634 }
1635 }
1636
1637 /* for each output stream, we compute the right encoding parameters */
1638 for(i=0;i<nb_ostreams;i++) {
1639 ost = ost_table[i];
1640 os = output_files[ost->file_index];
1641 ist = ist_table[ost->source_index];
1642
1643 codec = ost->st->codec;
1644 icodec = ist->st->codec;
1645
1646 if (!ost->st->language[0])
1647 av_strlcpy(ost->st->language, ist->st->language,
1648 sizeof(ost->st->language));
1649
1650 ost->st->disposition = ist->st->disposition;
1651
1652 if (ost->st->stream_copy) {
1653 /* if stream_copy is selected, no need to decode or encode */
1654 codec->codec_id = icodec->codec_id;
1655 codec->codec_type = icodec->codec_type;
1656
1657 if(!codec->codec_tag){
1658 if( !os->oformat->codec_tag
1659 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1660 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1661 codec->codec_tag = icodec->codec_tag;
1662 }
1663
1664 codec->bit_rate = icodec->bit_rate;
1665 codec->extradata= icodec->extradata;
1666 codec->extradata_size= icodec->extradata_size;
1667 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1668 codec->time_base = icodec->time_base;
1669 else
1670 codec->time_base = ist->st->time_base;
1671 switch(codec->codec_type) {
1672 case CODEC_TYPE_AUDIO:
1673 codec->sample_rate = icodec->sample_rate;
1674 codec->channels = icodec->channels;
1675 codec->frame_size = icodec->frame_size;
1676 codec->block_align= icodec->block_align;
1677 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1678 codec->block_align= 0;
1679 break;
1680 case CODEC_TYPE_VIDEO:
1681 if(using_vhook) {
1682 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1683 av_exit(1);
1684 }
1685 codec->pix_fmt = icodec->pix_fmt;
1686 codec->width = icodec->width;
1687 codec->height = icodec->height;
1688 codec->has_b_frames = icodec->has_b_frames;
1689 break;
1690 case CODEC_TYPE_SUBTITLE:
1691 break;
1692 default:
1693 abort();
1694 }
1695 } else {
1696 switch(codec->codec_type) {
1697 case CODEC_TYPE_AUDIO:
1698 if (av_fifo_init(&ost->fifo, 1024))
1699 goto fail;
1700 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1701 icodec->request_channels = codec->channels;
1702 ist->decoding_needed = 1;
1703 ost->encoding_needed = 1;
1704 break;
1705 case CODEC_TYPE_VIDEO:
1706 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1707 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1708 ost->video_resample = ((codec->width != icodec->width -
1709 (frame_leftBand + frame_rightBand) +
1710 (frame_padleft + frame_padright)) ||
1711 (codec->height != icodec->height -
1712 (frame_topBand + frame_bottomBand) +
1713 (frame_padtop + frame_padbottom)) ||
1714 (codec->pix_fmt != icodec->pix_fmt));
1715 if (ost->video_crop) {
1716 ost->topBand = frame_topBand;
1717 ost->leftBand = frame_leftBand;
1718 }
1719 if (ost->video_pad) {
1720 ost->padtop = frame_padtop;
1721 ost->padleft = frame_padleft;
1722 ost->padbottom = frame_padbottom;
1723 ost->padright = frame_padright;
1724 if (!ost->video_resample) {
1725 avcodec_get_frame_defaults(&ost->pict_tmp);
1726 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1727 codec->width, codec->height ) )
1728 goto fail;
1729 }
1730 }
1731 if (ost->video_resample) {
1732 avcodec_get_frame_defaults(&ost->pict_tmp);
1733 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1734 codec->width, codec->height ) ) {
1735 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1736 av_exit(1);
1737 }
1738 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1739 ost->img_resample_ctx = sws_getContext(
1740 icodec->width - (frame_leftBand + frame_rightBand),
1741 icodec->height - (frame_topBand + frame_bottomBand),
1742 icodec->pix_fmt,
1743 codec->width - (frame_padleft + frame_padright),
1744 codec->height - (frame_padtop + frame_padbottom),
1745 codec->pix_fmt,
1746 sws_flags, NULL, NULL, NULL);
1747 if (ost->img_resample_ctx == NULL) {
1748 fprintf(stderr, "Cannot get resampling context\n");
1749 av_exit(1);
1750 }
1751 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1752 }
1753 ost->encoding_needed = 1;
1754 ist->decoding_needed = 1;
1755 break;
1756 case CODEC_TYPE_SUBTITLE:
1757 ost->encoding_needed = 1;
1758 ist->decoding_needed = 1;
1759 break;
1760 default:
1761 abort();
1762 break;
1763 }
1764 /* two pass mode */
1765 if (ost->encoding_needed &&
1766 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1767 char logfilename[1024];
1768 FILE *f;
1769 int size;
1770 char *logbuffer;
1771
1772 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1773 pass_logfilename ?
1774 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1775 if (codec->flags & CODEC_FLAG_PASS1) {
1776 f = fopen(logfilename, "w");
1777 if (!f) {
1778 perror(logfilename);
1779 av_exit(1);
1780 }
1781 ost->logfile = f;
1782 } else {
1783 /* read the log file */
1784 f = fopen(logfilename, "r");
1785 if (!f) {
1786 perror(logfilename);
1787 av_exit(1);
1788 }
1789 fseek(f, 0, SEEK_END);
1790 size = ftell(f);
1791 fseek(f, 0, SEEK_SET);
1792 logbuffer = av_malloc(size + 1);
1793 if (!logbuffer) {
1794 fprintf(stderr, "Could not allocate log buffer\n");
1795 av_exit(1);
1796 }
1797 size = fread(logbuffer, 1, size, f);
1798 fclose(f);
1799 logbuffer[size] = '\0';
1800 codec->stats_in = logbuffer;
1801 }
1802 }
1803 }
1804 if(codec->codec_type == CODEC_TYPE_VIDEO){
1805 int size= codec->width * codec->height;
1806 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1807 }
1808 }
1809
1810 if (!bit_buffer)
1811 bit_buffer = av_malloc(bit_buffer_size);
1812 if (!bit_buffer)
1813 goto fail;
1814
1815 /* dump the file output parameters - cannot be done before in case
1816 of stream copy */
1817 for(i=0;i<nb_output_files;i++) {
1818 dump_format(output_files[i], i, output_files[i]->filename, 1);
1819 }
1820
1821 /* dump the stream mapping */
1822 if (verbose >= 0) {
1823 fprintf(stderr, "Stream mapping:\n");
1824 for(i=0;i<nb_ostreams;i++) {
1825 ost = ost_table[i];
1826 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1827 ist_table[ost->source_index]->file_index,
1828 ist_table[ost->source_index]->index,
1829 ost->file_index,
1830 ost->index);
1831 if (ost->sync_ist != ist_table[ost->source_index])
1832 fprintf(stderr, " [sync #%d.%d]",
1833 ost->sync_ist->file_index,
1834 ost->sync_ist->index);
1835 fprintf(stderr, "\n");
1836 }
1837 }
1838
1839 /* open each encoder */
1840 for(i=0;i<nb_ostreams;i++) {
1841 ost = ost_table[i];
1842 if (ost->encoding_needed) {
1843 AVCodec *codec;
1844 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1845 if (!codec) {
1846 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1847 ost->file_index, ost->index);
1848 av_exit(1);
1849 }
1850 if (avcodec_open(ost->st->codec, codec) < 0) {
1851 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1852 ost->file_index, ost->index);
1853 av_exit(1);
1854 }
1855 extra_size += ost->st->codec->extradata_size;
1856 }
1857 }
1858
1859 /* open each decoder */
1860 for(i=0;i<nb_istreams;i++) {
1861 ist = ist_table[i];
1862 if (ist->decoding_needed) {
1863 AVCodec *codec;
1864 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1865 if (!codec) {
1866 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1867 ist->st->codec->codec_id, ist->file_index, ist->index);
1868 av_exit(1);
1869 }
1870 if (avcodec_open(ist->st->codec, codec) < 0) {
1871 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1872 ist->file_index, ist->index);
1873 av_exit(1);
1874 }
1875 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1876 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1877 }
1878 }
1879
1880 /* init pts */
1881 for(i=0;i<nb_istreams;i++) {
1882 ist = ist_table[i];
1883 is = input_files[ist->file_index];
1884 ist->pts = 0;
1885 ist->next_pts = AV_NOPTS_VALUE;
1886 ist->is_start = 1;
1887 }
1888
1889 /* set meta data information from input file if required */
1890 for (i=0;i<nb_meta_data_maps;i++) {
1891 AVFormatContext *out_file;
1892 AVFormatContext *in_file;
1893
1894 int out_file_index = meta_data_maps[i].out_file;
1895 int in_file_index = meta_data_maps[i].in_file;
1896 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1897 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1898 ret = AVERROR(EINVAL);
1899 goto fail;
1900 }
1901 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1902 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1903 ret = AVERROR(EINVAL);
1904 goto fail;
1905 }
1906
1907 out_file = output_files[out_file_index];
1908 in_file = input_files[in_file_index];
1909
1910 strcpy(out_file->title, in_file->title);
1911 strcpy(out_file->author, in_file->author);
1912 strcpy(out_file->copyright, in_file->copyright);
1913 strcpy(out_file->comment, in_file->comment);
1914 strcpy(out_file->album, in_file->album);
1915 out_file->year = in_file->year;
1916 out_file->track = in_file->track;
1917 strcpy(out_file->genre, in_file->genre);
1918 }
1919
1920 /* open files and write file headers */
1921 for(i=0;i<nb_output_files;i++) {
1922 os = output_files[i];
1923 if (av_write_header(os) < 0) {
1924 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1925 ret = AVERROR(EINVAL);
1926 goto fail;
1927 }
1928 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1929 want_sdp = 0;
1930 }
1931 }
1932 if (want_sdp) {
1933 print_sdp(output_files, nb_output_files);
1934 }
1935
1936 if ( !using_stdin && verbose >= 0) {
1937 fprintf(stderr, "Press [q] to stop encoding\n");
1938 url_set_interrupt_cb(decode_interrupt_cb);
1939 }
1940 term_init();
1941
1942 key = -1;
1943 timer_start = av_gettime();
1944
1945 for(; received_sigterm == 0;) {
1946 int file_index, ist_index;
1947 AVPacket pkt;
1948 double ipts_min;
1949 double opts_min;
1950
1951 redo:
1952 ipts_min= 1e100;
1953 opts_min= 1e100;
1954 /* if 'q' pressed, exits */
1955 if (!using_stdin) {
1956 if (q_pressed)
1957 break;
1958 /* read_key() returns 0 on EOF */
1959 key = read_key();
1960 if (key == 'q')
1961 break;
1962 }
1963
1964 /* select the stream that we must read now by looking at the
1965 smallest output pts */
1966 file_index = -1;
1967 for(i=0;i<nb_ostreams;i++) {
1968 double ipts, opts;
1969 ost = ost_table[i];
1970 os = output_files[ost->file_index];
1971 ist = ist_table[ost->source_index];
1972 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1973 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1974 else
1975 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1976 ipts = (double)ist->pts;
1977 if (!file_table[ist->file_index].eof_reached){
1978 if(ipts < ipts_min) {
1979 ipts_min = ipts;
1980 if(input_sync ) file_index = ist->file_index;
1981 }
1982 if(opts < opts_min) {
1983 opts_min = opts;
1984 if(!input_sync) file_index = ist->file_index;
1985 }
1986 }
1987 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1988 file_index= -1;
1989 break;
1990 }
1991 }
1992 /* if none, if is finished */
1993 if (file_index < 0) {
1994 break;
1995 }
1996
1997 /* finish if recording time exhausted */
1998 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1999 break;
2000
2001 /* finish if limit size exhausted */
2002 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2003 break;
2004
2005 /* read a frame from it and output it in the fifo */
2006 is = input_files[file_index];
2007 if (av_read_frame(is, &pkt) < 0) {
2008 file_table[file_index].eof_reached = 1;
2009 if (opt_shortest)
2010 break;
2011 else
2012 continue;
2013 }
2014
2015 if (do_pkt_dump) {
2016 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2017 }
2018 /* the following test is needed in case new streams appear
2019 dynamically in stream : we ignore them */
2020 if (pkt.stream_index >= file_table[file_index].nb_streams)
2021 goto discard_packet;
2022 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2023 ist = ist_table[ist_index];
2024 if (ist->discard)
2025 goto discard_packet;
2026
2027 if (pkt.dts != AV_NOPTS_VALUE)
2028 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2029 if (pkt.pts != AV_NOPTS_VALUE)
2030 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2031
2032 // 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);
2033 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2034 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2035 int64_t delta= pkt_dts - ist->next_pts;
2036 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2037 input_files_ts_offset[ist->file_index]-= delta;
2038 if (verbose > 2)
2039 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2040 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2041 if(pkt.pts != AV_NOPTS_VALUE)
2042 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2043 }
2044 }
2045
2046 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2047 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2048
2049 if (verbose >= 0)
2050 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2051 ist->file_index, ist->index);
2052
2053 av_free_packet(&pkt);
2054 goto redo;
2055 }
2056
2057 discard_packet:
2058 av_free_packet(&pkt);
2059
2060 /* dump report by using the output first video and audio streams */
2061 print_report(output_files, ost_table, nb_ostreams, 0);
2062 }
2063
2064 /* at the end of stream, we must flush the decoder buffers */
2065 for(i=0;i<nb_istreams;i++) {
2066 ist = ist_table[i];
2067 if (ist->decoding_needed) {
2068 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2069 }
2070 }
2071
2072 term_exit();
2073
2074 /* write the trailer if needed and close file */
2075 for(i=0;i<nb_output_files;i++) {
2076 os = output_files[i];
2077 av_write_trailer(os);
2078 }
2079
2080 /* dump report by using the first video and audio streams */
2081 print_report(output_files, ost_table, nb_ostreams, 1);
2082
2083 /* close each encoder */
2084 for(i=0;i<nb_ostreams;i++) {
2085 ost = ost_table[i];
2086 if (ost->encoding_needed) {
2087 av_freep(&ost->st->codec->stats_in);
2088 avcodec_close(ost->st->codec);
2089 }
2090 }
2091
2092 /* close each decoder */
2093 for(i=0;i<nb_istreams;i++) {
2094 ist = ist_table[i];
2095 if (ist->decoding_needed) {
2096 avcodec_close(ist->st->codec);
2097 }
2098 }
2099
2100 /* finished ! */
2101
2102 ret = 0;
2103 fail1:
2104 av_freep(&bit_buffer);
2105 av_free(file_table);
2106
2107 if (ist_table) {
2108 for(i=0;i<nb_istreams;i++) {
2109 ist = ist_table[i];
2110 av_free(ist);
2111 }
2112 av_free(ist_table);
2113 }
2114 if (ost_table) {
2115 for(i=0;i<nb_ostreams;i++) {
2116 ost = ost_table[i];
2117 if (ost) {
2118 if (ost->logfile) {
2119 fclose(ost->logfile);
2120 ost->logfile = NULL;
2121 }
2122 av_fifo_free(&ost->fifo); /* works even if fifo is not
2123 initialized but set to zero */
2124 av_free(ost->pict_tmp.data[0]);
2125 if (ost->video_resample)
2126 sws_freeContext(ost->img_resample_ctx);
2127 if (ost->resample)
2128 audio_resample_close(ost->resample);
2129 av_free(ost);
2130 }
2131 }
2132 av_free(ost_table);
2133 }
2134 return ret;
2135 fail:
2136 ret = AVERROR(ENOMEM);
2137 goto fail1;
2138 }
2139
2140 #if 0
2141 int file_read(const char *filename)
2142 {
2143 URLContext *h;
2144 unsigned char buffer[1024];
2145 int len, i;
2146
2147 if (url_open(&h, filename, O_RDONLY) < 0) {
2148 printf("could not open '%s'\n", filename);
2149 return -1;
2150 }
2151 for(;;) {
2152 len = url_read(h, buffer, sizeof(buffer));
2153 if (len <= 0)
2154 break;
2155 for(i=0;i<len;i++) putchar(buffer[i]);
2156 }
2157 url_close(h);
2158 return 0;
2159 }
2160 #endif
2161
2162 static void opt_format(const char *arg)
2163 {
2164 /* compatibility stuff for pgmyuv */
2165 if (!strcmp(arg, "pgmyuv")) {
2166 pgmyuv_compatibility_hack=1;
2167 // opt_image_format(arg);
2168 arg = "image2";
2169 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2170 }
2171
2172 file_iformat = av_find_input_format(arg);
2173 file_oformat = guess_format(arg, NULL, NULL);
2174 if (!file_iformat && !file_oformat) {
2175 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2176 av_exit(1);
2177 }
2178 }
2179
2180 extern int ffm_nopts;
2181
2182 static int opt_default(const char *opt, const char *arg){
2183 int type;
2184 const AVOption *o= NULL;
2185 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2186
2187 for(type=0; type<CODEC_TYPE_NB; type++){
2188 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2189 if(o2)
2190 o = av_set_string(avctx_opts[type], opt, arg);
2191 }
2192 if(!o)
2193 o = av_set_string(avformat_opts, opt, arg);
2194 if(!o)
2195 o = av_set_string(sws_opts, opt, arg);
2196 if(!o){
2197 if(opt[0] == 'a')
2198 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2199 else if(opt[0] == 'v')
2200 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2201 else if(opt[0] == 's')
2202 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2203 }
2204 if(!o)
2205 return -1;
2206
2207 // 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));
2208
2209 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2210 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2211 opt_names[opt_name_count++]= o->name;
2212
2213 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2214 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2215 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2216 ffm_nopts = 1;
2217 #endif
2218
2219 if(avctx_opts[0]->debug)
2220 av_log_set_level(AV_LOG_DEBUG);
2221 return 0;
2222 }
2223
2224 static void opt_video_rc_override_string(const char *arg)
2225 {
2226 video_rc_override_string = arg;
2227 }
2228
2229 static int opt_me_threshold(const char *opt, const char *arg)
2230 {
2231 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2232 return 0;
2233 }
2234
2235 static int opt_verbose(const char *opt, const char *arg)
2236 {
2237 verbose = parse_number_or_die(opt, arg, OPT_INT64, AV_LOG_QUIET, AV_LOG_DEBUG);
2238 av_log_set_level(verbose);
2239 return 0;
2240 }
2241
2242 static void opt_frame_rate(const char *arg)
2243 {
2244 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2245 fprintf(stderr, "Incorrect frame rate\n");
2246 av_exit(1);
2247 }
2248 }
2249
2250 static int opt_bitrate(const char *opt, const char *arg)
2251 {
2252 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2253
2254 opt_default(opt, arg);
2255
2256 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2257 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2258
2259 return 0;
2260 }
2261
2262 static void opt_frame_crop_top(const char *arg)
2263 {
2264 frame_topBand = atoi(arg);
2265 if (frame_topBand < 0) {
2266 fprintf(stderr, "Incorrect top crop size\n");
2267 av_exit(1);
2268 }
2269 if ((frame_topBand % 2) != 0) {
2270 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2271 av_exit(1);
2272 }
2273 if ((frame_topBand) >= frame_height){
2274 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2275 av_exit(1);
2276 }
2277 frame_height -= frame_topBand;
2278 }
2279
2280 static void opt_frame_crop_bottom(const char *arg)
2281 {
2282 frame_bottomBand = atoi(arg);
2283 if (frame_bottomBand < 0) {
2284 fprintf(stderr, "Incorrect bottom crop size\n");
2285 av_exit(1);
2286 }
2287 if ((frame_bottomBand % 2) != 0) {
2288 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2289 av_exit(1);
2290 }
2291 if ((frame_bottomBand) >= frame_height){
2292 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2293 av_exit(1);
2294 }
2295 frame_height -= frame_bottomBand;
2296 }
2297
2298 static void opt_frame_crop_left(const char *arg)
2299 {
2300 frame_leftBand = atoi(arg);
2301 if (frame_leftBand < 0) {
2302 fprintf(stderr, "Incorrect left crop size\n");
2303 av_exit(1);
2304 }
2305 if ((frame_leftBand % 2) != 0) {
2306 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2307 av_exit(1);
2308 }
2309 if ((frame_leftBand) >= frame_width){
2310 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2311 av_exit(1);
2312 }
2313 frame_width -= frame_leftBand;
2314 }
2315
2316 static void opt_frame_crop_right(const char *arg)
2317 {
2318 frame_rightBand = atoi(arg);
2319 if (frame_rightBand < 0) {
2320 fprintf(stderr, "Incorrect right crop size\n");
2321 av_exit(1);
2322 }
2323 if ((frame_rightBand % 2) != 0) {
2324 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2325 av_exit(1);
2326 }
2327 if ((frame_rightBand) >= frame_width){
2328 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2329 av_exit(1);
2330 }
2331 frame_width -= frame_rightBand;
2332 }
2333
2334 static void opt_frame_size(const char *arg)
2335 {
2336 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2337 fprintf(stderr, "Incorrect frame size\n");
2338 av_exit(1);
2339 }
2340 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2341 fprintf(stderr, "Frame size must be a multiple of 2\n");
2342 av_exit(1);
2343 }
2344 }
2345
2346
2347 #define SCALEBITS 10
2348 #define ONE_HALF (1 << (SCALEBITS - 1))
2349 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2350
2351 #define RGB_TO_Y(r, g, b) \
2352 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2353 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2354
2355 #define RGB_TO_U(r1, g1, b1, shift)\
2356 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2357 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2358
2359 #define RGB_TO_V(r1, g1, b1, shift)\
2360 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2361 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2362
2363 static void opt_pad_color(const char *arg) {
2364 /* Input is expected to be six hex digits similar to
2365 how colors are expressed in html tags (but without the #) */
2366 int rgb = strtol(arg, NULL, 16);
2367 int r,g,b;
2368
2369 r = (rgb >> 16);
2370 g = ((rgb >> 8) & 255);
2371 b = (rgb & 255);
2372
2373 padcolor[0] = RGB_TO_Y(r,g,b);
2374 padcolor[1] = RGB_TO_U(r,g,b,0);
2375 padcolor[2] = RGB_TO_V(r,g,b,0);
2376 }
2377
2378 static void opt_frame_pad_top(const char *arg)
2379 {
2380 frame_padtop = atoi(arg);
2381 if (frame_padtop < 0) {
2382 fprintf(stderr, "Incorrect top pad size\n");
2383 av_exit(1);
2384 }
2385 if ((frame_padtop % 2) != 0) {
2386 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2387 av_exit(1);
2388 }
2389 }
2390
2391 static void opt_frame_pad_bottom(const char *arg)
2392 {
2393 frame_padbottom = atoi(arg);
2394 if (frame_padbottom < 0) {
2395 fprintf(stderr, "Incorrect bottom pad size\n");
2396 av_exit(1);
2397 }
2398 if ((frame_padbottom % 2) != 0) {
2399 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2400 av_exit(1);
2401 }
2402 }
2403
2404
2405 static void opt_frame_pad_left(const char *arg)
2406 {
2407 frame_padleft = atoi(arg);
2408 if (frame_padleft < 0) {
2409 fprintf(stderr, "Incorrect left pad size\n");
2410 av_exit(1);
2411 }
2412 if ((frame_padleft % 2) != 0) {
2413 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2414 av_exit(1);
2415 }
2416 }
2417
2418
2419 static void opt_frame_pad_right(const char *arg)
2420 {
2421 frame_padright = atoi(arg);
2422 if (frame_padright < 0) {
2423 fprintf(stderr, "Incorrect right pad size\n");
2424 av_exit(1);
2425 }
2426 if ((frame_padright % 2) != 0) {
2427 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2428 av_exit(1);
2429 }
2430 }
2431
2432 static void list_pix_fmts(void)
2433 {
2434 int i;
2435 char pix_fmt_str[128];
2436 for (i=-1; i < PIX_FMT_NB; i++) {
2437 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2438 fprintf(stdout, "%s\n", pix_fmt_str);
2439 }
2440 }
2441
2442 static void opt_frame_pix_fmt(const char *arg)
2443 {
2444 if (strcmp(arg, "list"))
2445 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2446 else {
2447 list_pix_fmts();
2448 av_exit(0);
2449 }
2450 }
2451
2452 static void opt_frame_aspect_ratio(const char *arg)
2453 {
2454 int x = 0, y = 0;
2455 double ar = 0;
2456 const char *p;
2457 char *end;
2458
2459 p = strchr(arg, ':');
2460 if (p) {
2461 x = strtol(arg, &end, 10);
2462 if (end == p)
2463 y = strtol(end+1, &end, 10);
2464 if (x > 0 && y > 0)
2465 ar = (double)x / (double)y;
2466 } else
2467 ar = strtod(arg, NULL);
2468
2469 if (!ar) {
2470 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2471 av_exit(1);
2472 }
2473 frame_aspect_ratio = ar;
2474 }
2475
2476 static void opt_qscale(const char *arg)
2477 {
2478 video_qscale = atof(arg);
2479 if (video_qscale <= 0 ||
2480 video_qscale > 255) {
2481 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2482 av_exit(1);
2483 }
2484 }
2485
2486 static void opt_qdiff(const char *arg)
2487 {
2488 video_qdiff = atoi(arg);
2489 if (video_qdiff < 0 ||
2490 video_qdiff > 31) {
2491 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2492 av_exit(1);
2493 }
2494 }
2495
2496 static void opt_strict(const char *arg)
2497 {
2498 strict= atoi(arg);
2499 }
2500
2501 static void opt_top_field_first(const char *arg)
2502 {
2503 top_field_first= atoi(arg);
2504 }
2505
2506 static void opt_thread_count(const char *arg)
2507 {
2508 thread_count= atoi(arg);
2509 #if !defined(HAVE_THREADS)
2510 if (verbose >= 0)
2511 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2512 #endif
2513 }
2514
2515 static int opt_audio_rate(const char *opt, const char *arg)
2516 {
2517 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2518 return 0;
2519 }
2520
2521 static int opt_audio_channels(const char *opt, const char *arg)
2522 {
2523 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2524 return 0;
2525 }
2526
2527 static void opt_video_channel(const char *arg)
2528 {
2529 video_channel = strtol(arg, NULL, 0);
2530 }
2531
2532 static void opt_video_standard(const char *arg)
2533 {
2534 video_standard = av_strdup(arg);
2535 }
2536
2537 static void opt_codec(int *pstream_copy, char **pcodec_name,
2538 int codec_type, const char *arg)
2539 {
2540 av_freep(pcodec_name);
2541 if (!strcmp(arg, "copy")) {
2542 *pstream_copy = 1;
2543 } else {
2544 *pcodec_name = av_strdup(arg);
2545 }
2546 }
2547
2548 static void opt_audio_codec(const char *arg)
2549 {
2550 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2551 }
2552
2553 static void opt_audio_tag(const char *arg)
2554 {
2555 char *tail;
2556 audio_codec_tag= strtol(arg, &tail, 0);
2557
2558 if(!tail || *tail)
2559 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2560 }
2561
2562 static void opt_video_tag(const char *arg)
2563 {
2564 char *tail;
2565 video_codec_tag= strtol(arg, &tail, 0);
2566
2567 if(!tail || *tail)
2568 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2569 }
2570
2571 #ifdef CONFIG_VHOOK
2572 static void add_frame_hooker(const char *arg)
2573 {
2574 int argc = 0;
2575 char *argv[64];
2576 int i;
2577 char *args = av_strdup(arg);
2578
2579 using_vhook = 1;
2580
2581 argv[0] = strtok(args, " ");
2582 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2583 }
2584
2585 i = frame_hook_add(argc, argv);
2586
2587 if (i != 0) {
2588 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2589 av_exit(1);
2590 }
2591 }
2592 #endif
2593
2594 static void opt_video_codec(const char *arg)
2595 {
2596 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2597 }
2598
2599 static void opt_subtitle_codec(const char *arg)
2600 {
2601 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2602 }
2603
2604 static void opt_map(const char *arg)
2605 {
2606 AVStreamMap *m;
2607 char *p;
2608
2609 m = &stream_maps[nb_stream_maps++];
2610
2611 m->file_index = strtol(arg, &p, 0);
2612 if (*p)
2613 p++;
2614
2615 m->stream_index = strtol(p, &p, 0);
2616 if (*p) {
2617 p++;
2618 m->sync_file_index = strtol(p, &p, 0);
2619 if (*p)
2620 p++;
2621 m->sync_stream_index = strtol(p, &p, 0);
2622 } else {
2623 m->sync_file_index = m->file_index;
2624 m->sync_stream_index = m->stream_index;
2625 }
2626 }
2627
2628 static void opt_map_meta_data(const char *arg)
2629 {
2630 AVMetaDataMap *m;
2631 char *p;
2632
2633 m = &meta_data_maps[nb_meta_data_maps++];
2634
2635 m->out_file = strtol(arg, &p, 0);
2636 if (*p)
2637 p++;
2638
2639 m->in_file = strtol(p, &p, 0);
2640 }
2641
2642 static int opt_recording_time(const char *opt, const char *arg)
2643 {
2644 recording_time = parse_time_or_die(opt, arg, 1);
2645 return 0;
2646 }
2647
2648 static int opt_start_time(const char *opt, const char *arg)
2649 {
2650 start_time = parse_time_or_die(opt, arg, 1);
2651 return 0;
2652 }
2653
2654 static int opt_rec_timestamp(const char *opt, const char *arg)
2655 {
2656 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2657 return 0;
2658 }
2659
2660 static int opt_input_ts_offset(const char *opt, const char *arg)
2661 {
2662 input_ts_offset = parse_time_or_die(opt, arg, 1);
2663 return 0;
2664 }
2665
2666 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2667 {
2668 const char *codec_string = encoder ? "encoder" : "decoder";
2669 AVCodec *codec;
2670
2671 if(!name)
2672 return CODEC_ID_NONE;
2673 codec = encoder ?
2674 avcodec_find_encoder_by_name(name) :
2675 avcodec_find_decoder_by_name(name);
2676 if(!codec) {
2677 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2678 av_exit(1);
2679 }
2680 if(codec->type != type) {
2681 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2682 av_exit(1);
2683 }
2684 return codec->id;
2685 }
2686
2687 static void opt_input_file(const char *filename)
2688 {
2689 AVFormatContext *ic;
2690 AVFormatParameters params, *ap = &params;
2691 int err, i, ret, rfps, rfps_base;
2692 int64_t timestamp;
2693
2694 if (!strcmp(filename, "-"))
2695 filename = "pipe:";
2696
2697 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2698 !strcmp( filename, "/dev/stdin" );
2699
2700 /* get default parameters from command line */
2701 ic = av_alloc_format_context();
2702
2703 memset(ap, 0, sizeof(*ap));
2704 ap->prealloced_context = 1;
2705 ap->sample_rate = audio_sample_rate;
2706 ap->channels = audio_channels;
2707 ap->time_base.den = frame_rate.num;
2708 ap->time_base.num = frame_rate.den;
2709 ap->width = frame_width + frame_padleft + frame_padright;
2710 ap->height = frame_height + frame_padtop + frame_padbottom;
2711 ap->pix_fmt = frame_pix_fmt;
2712 ap->channel = video_channel;
2713 ap->standard = video_standard;
2714 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2715 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2716 if(pgmyuv_compatibility_hack)
2717 ap->video_codec_id= CODEC_ID_PGMYUV;
2718
2719 for(i=0; i<opt_name_count; i++){
2720 char buf[256];
2721 const AVOption *opt;
2722 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
2723 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2724 av_set_string(ic, opt_names[i], str);
2725 }
2726
2727 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2728 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2729 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2730
2731 /* open the input file with generic libav function */
2732 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2733 if (err < 0) {
2734 print_error(filename, err);
2735 av_exit(1);
2736 }
2737 if(opt_programid) {
2738 int i;
2739 for(i=0; i<ic->nb_programs; i++)
2740 if(ic->programs[i]->id != opt_programid)
2741 ic->programs[i]->discard = AVDISCARD_ALL;
2742 }
2743
2744 ic->loop_input = loop_input;
2745
2746 /* If not enough info to get the stream parameters, we decode the
2747 first frames to get it. (used in mpeg case for example) */
2748 ret = av_find_stream_info(ic);
2749 if (ret < 0 && verbose >= 0) {
2750 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2751 av_exit(1);
2752 }
2753
2754 timestamp = start_time;
2755 /* add the stream start time */
2756 if (ic->start_time != AV_NOPTS_VALUE)
2757 timestamp += ic->start_time;
2758
2759 /* if seeking requested, we execute it */
2760 if (start_time != 0) {
2761 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2762 if (ret < 0) {
2763 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2764 filename, (double)timestamp / AV_TIME_BASE);
2765 }
2766 /* reset seek info */
2767 start_time = 0;
2768 }
2769
2770 /* update the current parameters so that they match the one of the input stream */
2771 for(i=0;i<ic->nb_streams;i++) {
2772 int j;
2773 AVCodecContext *enc = ic->streams[i]->codec;
2774 if(thread_count>1)
2775 avcodec_thread_init(enc, thread_count);
2776 enc->thread_count= thread_count;
2777 switch(enc->codec_type) {
2778 case CODEC_TYPE_AUDIO:
2779 for(j=0; j<opt_name_count; j++){
2780 char buf[256];
2781 const AVOption *opt;
2782 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
2783 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2784 av_set_string(enc, opt_names[j], str);
2785 }
2786 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2787 audio_channels = enc->channels;
2788 audio_sample_rate = enc->sample_rate;
2789 if(audio_disable)
2790 ic->streams[i]->discard= AVDISCARD_ALL;
2791 break;
2792 case CODEC_TYPE_VIDEO:
2793 for(j=0; j<opt_name_count; j++){
2794 char buf[256];
2795 const AVOption *opt;
2796 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
2797 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2798 av_set_string(enc, opt_names[j], str);
2799 }
2800 frame_height = enc->height;
2801 frame_width = enc->width;
2802 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2803 frame_pix_fmt = enc->pix_fmt;
2804 rfps = ic->streams[i]->r_frame_rate.num;
2805 rfps_base = ic->streams[i]->r_frame_rate.den;
2806 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2807 if(me_threshold)
2808 enc->debug |= FF_DEBUG_MV;
2809
2810 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2811
2812 if (verbose >= 0)
2813 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2814 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2815
2816 (float)rfps / rfps_base, rfps, rfps_base);
2817 }
2818 /* update the current frame rate to match the stream frame rate */
2819 frame_rate.num = rfps;
2820 frame_rate.den = rfps_base;
2821
2822 enc->rate_emu = rate_emu;
2823 if(video_disable)
2824 ic->streams[i]->discard= AVDISCARD_ALL;
2825 else if(video_discard)
2826 ic->streams[i]->discard= video_discard;
2827 break;
2828 case CODEC_TYPE_DATA:
2829 break;
2830 case CODEC_TYPE_SUBTITLE:
2831 if(subtitle_disable)
2832 ic->streams[i]->discard = AVDISCARD_ALL;
2833 break;
2834 case CODEC_TYPE_ATTACHMENT:
2835 case CODEC_TYPE_UNKNOWN:
2836 break;
2837 default:
2838 abort();
2839 }
2840 }
2841
2842 input_files[nb_input_files] = ic;
2843 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2844 /* dump the file content */
2845 if (verbose >= 0)
2846 dump_format(ic, nb_input_files, filename, 0);
2847
2848 nb_input_files++;
2849 file_iformat = NULL;
2850 file_oformat = NULL;
2851
2852 video_channel = 0;
2853
2854 rate_emu = 0;
2855 av_freep(&video_codec_name);
2856 av_freep(&audio_codec_name);
2857 av_freep(&subtitle_codec_name);
2858 }
2859
2860 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2861 int *has_subtitle_ptr)
2862 {
2863 int has_video, has_audio, has_subtitle, i, j;
2864 AVFormatContext *ic;
2865
2866 has_video = 0;
2867 has_audio = 0;
2868 has_subtitle = 0;
2869 for(j=0;j<nb_input_files;j++) {
2870 ic = input_files[j];
2871 for(i=0;i<ic->nb_streams;i++) {
2872 AVCodecContext *enc = ic->streams[i]->codec;
2873 switch(enc->codec_type) {
2874 case CODEC_TYPE_AUDIO:
2875 has_audio = 1;
2876 break;
2877 case CODEC_TYPE_VIDEO:
2878 has_video = 1;
2879 break;
2880 case CODEC_TYPE_SUBTITLE:
2881 has_subtitle = 1;
2882 break;
2883 case CODEC_TYPE_DATA:
2884 case CODEC_TYPE_ATTACHMENT:
2885 case CODEC_TYPE_UNKNOWN:
2886 break;
2887 default:
2888 abort();
2889 }
2890 }
2891 }
2892 *has_video_ptr = has_video;
2893 *has_audio_ptr = has_audio;
2894 *has_subtitle_ptr = has_subtitle;
2895 }
2896
2897 static void new_video_stream(AVFormatContext *oc)
2898 {
2899 AVStream *st;
2900 AVCodecContext *video_enc;
2901 int codec_id;
2902
2903 st = av_new_stream(oc, oc->nb_streams);
2904 if (!st) {
2905 fprintf(stderr, "Could not alloc stream\n");
2906 av_exit(1);
2907 }
2908 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2909 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2910 video_bitstream_filters= NULL;
2911
2912 if(thread_count>1)
2913 avcodec_thread_init(st->codec, thread_count);
2914
2915 video_enc = st->codec;
2916
2917 if(video_codec_tag)
2918 video_enc->codec_tag= video_codec_tag;
2919
2920 if( (video_global_header&1)
2921 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2922 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2923 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2924 }
2925 if(video_global_header&2){
2926 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2927 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2928 }
2929
2930 if (video_stream_copy) {
2931 st->stream_copy = 1;
2932 video_enc->codec_type = CODEC_TYPE_VIDEO;
2933 } else {
2934 const char *p;
2935 int i;
2936 AVCodec *codec;
2937 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
2938
2939 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2940 if (video_codec_name)
2941 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2942
2943 video_enc->codec_id = codec_id;
2944 codec = avcodec_find_encoder(codec_id);
2945
2946 for(i=0; i<opt_name_count; i++){
2947 char buf[256];
2948 const AVOption *opt;
2949 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
2950 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2951 av_set_string(video_enc, opt_names[i], str);
2952 }
2953
2954 video_enc->time_base.den = fps.num;
2955 video_enc->time_base.num = fps.den;
2956 if(codec && codec->supported_framerates){
2957 const AVRational *p= codec->supported_framerates;
2958 const AVRational *best=NULL;
2959 AVRational best_error= (AVRational){INT_MAX, 1};
2960 for(; p->den!=0; p++){
2961 AVRational error= av_sub_q(fps, *p);
2962 if(error.num <0) error.num *= -1;
2963 if(av_cmp_q(error, best_error) < 0){
2964 best_error= error;
2965 best= p;
2966 }
2967 }
2968 video_enc->time_base.den= best->num;
2969 video_enc->time_base.num= best->den;
2970 }
2971
2972 video_enc->width = frame_width + frame_padright + frame_padleft;
2973 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2974 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2975 video_enc->pix_fmt = frame_pix_fmt;
2976
2977 if(codec && codec->pix_fmts){
2978 const enum PixelFormat *p= codec->pix_fmts;
2979 for(; *p!=-1; p++){
2980 if(*p == video_enc->pix_fmt)
2981 break;
2982 }
2983 if(*p == -1)
2984 video_enc->pix_fmt = codec->pix_fmts[0];
2985 }
2986
2987 if (intra_only)
2988 video_enc->gop_size = 0;
2989 if (video_qscale || same_quality) {
2990 video_enc->flags |= CODEC_FLAG_QSCALE;
2991 video_enc->global_quality=
2992 st->quality = FF_QP2LAMBDA * video_qscale;
2993 }
2994
2995 if(intra_matrix)
2996 video_enc->intra_matrix = intra_matrix;
2997 if(inter_matrix)
2998 video_enc->inter_matrix = inter_matrix;
2999
3000 video_enc->max_qdiff = video_qdiff;
3001 video_enc->thread_count = thread_count;
3002 p= video_rc_override_string;
3003 for(i=0; p; i++){
3004 int start, end, q;
3005 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3006 if(e!=3){
3007 fprintf(stderr, "error parsing rc_override\n");
3008 av_exit(1);
3009 }
3010 video_enc->rc_override=
3011 av_realloc(video_enc->rc_override,
3012 sizeof(RcOverride)*(i+1));
3013 video_enc->rc_override[i].start_frame= start;
3014 video_enc->rc_override[i].end_frame = end;
3015 if(q>0){
3016 video_enc->rc_override[i].qscale= q;
3017 video_enc->rc_override[i].quality_factor= 1.0;
3018 }
3019 else{
3020 video_enc->rc_override[i].qscale= 0;
3021 video_enc->rc_override[i].quality_factor= -q/100.0;
3022 }
3023 p= strchr(p, '/');
3024 if(p) p++;
3025 }
3026 video_enc->rc_override_count=i;
3027 if (!video_enc->rc_initial_buffer_occupancy)
3028 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3029 video_enc->me_threshold= me_threshold;
3030 video_enc->intra_dc_precision= intra_dc_precision - 8;
3031 video_enc->strict_std_compliance = strict;
3032
3033 if (do_psnr)
3034 video_enc->flags|= CODEC_FLAG_PSNR;
3035
3036 /* two pass mode */
3037 if (do_pass) {
3038 if (do_pass == 1) {
3039 video_enc->flags |= CODEC_FLAG_PASS1;
3040 } else {
3041 video_enc->flags |= CODEC_FLAG_PASS2;
3042 }
3043 }
3044 }
3045
3046 /* reset some key parameters */
3047 video_disable = 0;
3048 av_freep(&video_codec_name);
3049 video_stream_copy = 0;
3050 }
3051
3052 static void new_audio_stream(AVFormatContext *oc)
3053 {
3054 AVStream *st;
3055 AVCodecContext *audio_enc;
3056 int codec_id, i;
3057
3058 st = av_new_stream(oc, oc->nb_streams);
3059 if (!st) {
3060 fprintf(stderr, "Could not alloc stream\n");
3061 av_exit(1);
3062 }
3063 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3064
3065 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3066 audio_bitstream_filters= NULL;
3067
3068 if(thread_count>1)
3069 avcodec_thread_init(st->codec, thread_count);
3070
3071 audio_enc = st->codec;
3072 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3073 audio_enc->strict_std_compliance = strict;
3074
3075 if(audio_codec_tag)
3076 audio_enc->codec_tag= audio_codec_tag;
3077
3078 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3079 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3080 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3081 }
3082 if (audio_stream_copy) {
3083 st->stream_copy = 1;
3084 audio_enc->channels = audio_channels;
3085 } else {
3086 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3087
3088 for(i=0; i<opt_name_count; i++){
3089 char buf[256];
3090 const AVOption *opt;
3091 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
3092 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3093 av_set_string(audio_enc, opt_names[i], str);
3094 }
3095
3096 if (audio_codec_name)
3097 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3098 audio_enc->codec_id = codec_id;
3099
3100 if (audio_qscale > QSCALE_NONE) {
3101 audio_enc->flags |= CODEC_FLAG_QSCALE;
3102 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3103 }
3104 audio_enc->thread_count = thread_count;
3105 audio_enc->channels = audio_channels;
3106 }
3107 audio_enc->sample_rate = audio_sample_rate;
3108 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3109 if (audio_language) {
3110 av_strlcpy(st->language, audio_language, sizeof(st->language));
3111 av_free(audio_language);
3112 audio_language = NULL;
3113 }
3114
3115 /* reset some key parameters */
3116 audio_disable = 0;
3117 av_freep(&audio_codec_name);
3118 audio_stream_copy = 0;
3119 }
3120
3121 static void new_subtitle_stream(AVFormatContext *oc)
3122 {
3123 AVStream *st;
3124 AVCodecContext *subtitle_enc;
3125 int i;
3126
3127 st = av_new_stream(oc, oc->nb_streams);
3128 if (!st) {
3129 fprintf(stderr, "Could not alloc stream\n");
3130 av_exit(1);
3131 }
3132 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3133
3134 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3135 subtitle_bitstream_filters= NULL;
3136
3137 subtitle_enc = st->codec;
3138 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3139 if (subtitle_stream_copy) {
3140 st->stream_copy = 1;
3141 } else {
3142 for(i=0; i<opt_name_count; i++){
3143 char buf[256];
3144 const AVOption *opt;
3145 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
3146 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3147 av_set_string(subtitle_enc, opt_names[i], str);
3148 }
3149 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3150 }
3151
3152 if (subtitle_language) {
3153 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
3154 av_free(subtitle_language);
3155 subtitle_language = NULL;
3156 }
3157
3158 subtitle_disable = 0;
3159 av_freep(&subtitle_codec_name);
3160 subtitle_stream_copy = 0;
3161 }
3162
3163 static void opt_new_audio_stream(void)
3164 {
3165 AVFormatContext *oc;
3166 if (nb_output_files <= 0) {
3167 fprintf(stderr, "At least one output file must be specified\n");
3168 av_exit(1);
3169 }
3170 oc = output_files[nb_output_files - 1];
3171 new_audio_stream(oc);
3172 }
3173
3174 static void opt_new_video_stream(void)
3175 {
3176 AVFormatContext *oc;
3177 if (nb_output_files <= 0) {
3178 fprintf(stderr, "At least one output file must be specified\n");
3179 av_exit(1);
3180 }
3181 oc = output_files[nb_output_files - 1];
3182 new_video_stream(oc);
3183 }
3184
3185 static void opt_new_subtitle_stream(void)
3186 {
3187 AVFormatContext *oc;
3188 if (nb_output_files <= 0) {
3189 fprintf(stderr, "At least one output file must be specified\n");
3190 av_exit(1);
3191 }
3192 oc = output_files[nb_output_files - 1];
3193 new_subtitle_stream(oc);
3194 }
3195
3196 static void opt_output_file(const char *filename)
3197 {
3198 AVFormatContext *oc;
3199 int use_video, use_audio, use_subtitle;
3200 int input_has_video, input_has_audio, input_has_subtitle, i;
3201 AVFormatParameters params, *ap = &params;
3202
3203 if (!strcmp(filename, "-"))
3204 filename = "pipe:";
3205
3206 oc = av_alloc_format_context();
3207
3208 if (!file_oformat) {
3209 file_oformat = guess_format(NULL, filename, NULL);
3210 if (!file_oformat) {
3211 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3212 filename);
3213 av_exit(1);
3214 }
3215 }
3216
3217 oc->oformat = file_oformat;
3218 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3219
3220 if (!strcmp(file_oformat->name, "ffm") &&
3221 av_strstart(filename, "http:", NULL)) {
3222 /* special case for files sent to ffserver: we get the stream
3223 parameters from ffserver */
3224 if (read_ffserver_streams(oc, filename) < 0) {
3225 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);