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c4a1a149a977395eae4de05ed1491cbba358e30f
[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 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
24
25 #include "config.h"
26 #include <ctype.h>
27 #include <string.h>
28 #include <math.h>
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <signal.h>
32 #include <limits.h>
33 #include <unistd.h>
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavutil/libm.h"
44 #include "libavformat/os_support.h"
45
46 #if CONFIG_AVFILTER
47 # include "libavfilter/avfilter.h"
48 # include "libavfilter/avfiltergraph.h"
49 # include "libavfilter/graphparser.h"
50 # include "libavfilter/vsrc_buffer.h"
51 #endif
52
53 #if HAVE_SYS_RESOURCE_H
54 #include <sys/types.h>
55 #include <sys/time.h>
56 #include <sys/resource.h>
57 #elif HAVE_GETPROCESSTIMES
58 #include <windows.h>
59 #endif
60 #if HAVE_GETPROCESSMEMORYINFO
61 #include <windows.h>
62 #include <psapi.h>
63 #endif
64
65 #if HAVE_SYS_SELECT_H
66 #include <sys/select.h>
67 #endif
68
69 #if HAVE_TERMIOS_H
70 #include <fcntl.h>
71 #include <sys/ioctl.h>
72 #include <sys/time.h>
73 #include <termios.h>
74 #elif HAVE_CONIO_H
75 #include <conio.h>
76 #endif
77 #include <time.h>
78
79 #include "cmdutils.h"
80
81 #undef NDEBUG
82 #include <assert.h>
83
84 const char program_name[] = "FFmpeg";
85 const int program_birth_year = 2000;
86
87 /* select an input stream for an output stream */
88 typedef struct AVStreamMap {
89 int file_index;
90 int stream_index;
91 int sync_file_index;
92 int sync_stream_index;
93 } AVStreamMap;
94
95 /** select an input file for an output file */
96 typedef struct AVMetaDataMap {
97 int out_file;
98 int in_file;
99 } AVMetaDataMap;
100
101 static const OptionDef options[];
102
103 #define MAX_FILES 100
104
105 static const char *last_asked_format = NULL;
106 static AVFormatContext *input_files[MAX_FILES];
107 static int64_t input_files_ts_offset[MAX_FILES];
108 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
109 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
110 static int nb_input_files = 0;
111 static int nb_icodecs;
112
113 static AVFormatContext *output_files[MAX_FILES];
114 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
115 static int nb_output_files = 0;
116 static int nb_ocodecs;
117
118 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
119 static int nb_stream_maps;
120
121 static AVMetaDataMap meta_data_maps[MAX_FILES];
122 static int nb_meta_data_maps;
123
124 static int frame_width = 0;
125 static int frame_height = 0;
126 static float frame_aspect_ratio = 0;
127 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
128 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
129 static int frame_padtop = 0;
130 static int frame_padbottom = 0;
131 static int frame_padleft = 0;
132 static int frame_padright = 0;
133 static int padcolor[3] = {16,128,128}; /* default to black */
134 static int frame_topBand = 0;
135 static int frame_bottomBand = 0;
136 static int frame_leftBand = 0;
137 static int frame_rightBand = 0;
138 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
139 static AVRational frame_rate;
140 static float video_qscale = 0;
141 static uint16_t *intra_matrix = NULL;
142 static uint16_t *inter_matrix = NULL;
143 static const char *video_rc_override_string=NULL;
144 static int video_disable = 0;
145 static int video_discard = 0;
146 static char *video_codec_name = NULL;
147 static int video_codec_tag = 0;
148 static char *video_language = NULL;
149 static int same_quality = 0;
150 static int do_deinterlace = 0;
151 static int top_field_first = -1;
152 static int me_threshold = 0;
153 static int intra_dc_precision = 8;
154 static int loop_input = 0;
155 static int loop_output = AVFMT_NOOUTPUTLOOP;
156 static int qp_hist = 0;
157 #if CONFIG_AVFILTER
158 static char *vfilters = NULL;
159 AVFilterGraph *filt_graph_all = NULL;
160 #endif
161
162 static int intra_only = 0;
163 static int audio_sample_rate = 44100;
164 static int64_t channel_layout = 0;
165 #define QSCALE_NONE -99999
166 static float audio_qscale = QSCALE_NONE;
167 static int audio_disable = 0;
168 static int audio_channels = 1;
169 static char *audio_codec_name = NULL;
170 static int audio_codec_tag = 0;
171 static char *audio_language = NULL;
172
173 static int subtitle_disable = 0;
174 static char *subtitle_codec_name = NULL;
175 static char *subtitle_language = NULL;
176 static int subtitle_codec_tag = 0;
177
178 static float mux_preload= 0.5;
179 static float mux_max_delay= 0.7;
180
181 static int64_t recording_time = INT64_MAX;
182 static int64_t start_time = 0;
183 static int64_t rec_timestamp = 0;
184 static int64_t input_ts_offset = 0;
185 static int file_overwrite = 0;
186 static int metadata_count;
187 static AVMetadataTag *metadata;
188 static int do_benchmark = 0;
189 static int do_hex_dump = 0;
190 static int do_pkt_dump = 0;
191 static int do_psnr = 0;
192 static int do_pass = 0;
193 static char *pass_logfilename_prefix = NULL;
194 static int audio_stream_copy = 0;
195 static int video_stream_copy = 0;
196 static int subtitle_stream_copy = 0;
197 static int video_sync_method= -1;
198 static int audio_sync_method= 0;
199 static float audio_drift_threshold= 0.1;
200 static int copy_ts= 0;
201 static int opt_shortest = 0;
202 static int video_global_header = 0;
203 static char *vstats_filename;
204 static FILE *vstats_file;
205 static int opt_programid = 0;
206 static int copy_initial_nonkeyframes = 0;
207
208 static int rate_emu = 0;
209
210 static int video_channel = 0;
211 static char *video_standard;
212
213 static int audio_volume = 256;
214
215 static int exit_on_error = 0;
216 static int using_stdin = 0;
217 static int verbose = 1;
218 static int thread_count= 1;
219 static int q_pressed = 0;
220 static int64_t video_size = 0;
221 static int64_t audio_size = 0;
222 static int64_t extra_size = 0;
223 static int nb_frames_dup = 0;
224 static int nb_frames_drop = 0;
225 static int input_sync;
226 static uint64_t limit_filesize = 0;
227 static int force_fps = 0;
228
229 static int pgmyuv_compatibility_hack=0;
230 static float dts_delta_threshold = 10;
231
232 static unsigned int sws_flags = SWS_BICUBIC;
233
234 static int64_t timer_start;
235
236 static uint8_t *audio_buf;
237 static uint8_t *audio_out;
238 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
239
240 static short *samples;
241
242 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
243 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
244 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
245 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
246
247 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
248
249 struct AVInputStream;
250
251 typedef struct AVOutputStream {
252 int file_index; /* file index */
253 int index; /* stream index in the output file */
254 int source_index; /* AVInputStream index */
255 AVStream *st; /* stream in the output file */
256 int encoding_needed; /* true if encoding needed for this stream */
257 int frame_number;
258 /* input pts and corresponding output pts
259 for A/V sync */
260 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
261 struct AVInputStream *sync_ist; /* input stream to sync against */
262 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
263 /* video only */
264 int video_resample;
265 AVFrame pict_tmp; /* temporary image for resampling */
266 struct SwsContext *img_resample_ctx; /* for image resampling */
267 int resample_height;
268 int resample_width;
269 int resample_pix_fmt;
270
271 /* full frame size of first frame */
272 int original_height;
273 int original_width;
274
275 /* cropping area sizes */
276 int video_crop;
277 int topBand;
278 int bottomBand;
279 int leftBand;
280 int rightBand;
281
282 /* cropping area of first frame */
283 int original_topBand;
284 int original_bottomBand;
285 int original_leftBand;
286 int original_rightBand;
287
288 /* padding area sizes */
289 int video_pad;
290 int padtop;
291 int padbottom;
292 int padleft;
293 int padright;
294
295 /* audio only */
296 int audio_resample;
297 ReSampleContext *resample; /* for audio resampling */
298 int reformat_pair;
299 AVAudioConvert *reformat_ctx;
300 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
301 FILE *logfile;
302 } AVOutputStream;
303
304 typedef struct AVInputStream {
305 int file_index;
306 int index;
307 AVStream *st;
308 int discard; /* true if stream data should be discarded */
309 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
310 int64_t sample_index; /* current sample */
311
312 int64_t start; /* time when read started */
313 int64_t next_pts; /* synthetic pts for cases where pkt.pts
314 is not defined */
315 int64_t pts; /* current pts */
316 int is_start; /* is 1 at the start and after a discontinuity */
317 int showed_multi_packet_warning;
318 int is_past_recording_time;
319 #if CONFIG_AVFILTER
320 AVFilterContext *out_video_filter;
321 AVFilterContext *input_video_filter;
322 AVFrame *filter_frame;
323 int has_filter_frame;
324 AVFilterPicRef *picref;
325 #endif
326 } AVInputStream;
327
328 typedef struct AVInputFile {
329 int eof_reached; /* true if eof reached */
330 int ist_index; /* index of first stream in ist_table */
331 int buffer_size; /* current total buffer size */
332 int nb_streams; /* nb streams we are aware of */
333 } AVInputFile;
334
335 #if HAVE_TERMIOS_H
336
337 /* init terminal so that we can grab keys */
338 static struct termios oldtty;
339 #endif
340
341 #if CONFIG_AVFILTER
342 typedef struct {
343 int pix_fmt;
344 } FilterOutPriv;
345
346
347 static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
348 {
349 FilterOutPriv *priv = ctx->priv;
350
351 if(!opaque) return -1;
352
353 priv->pix_fmt = *((int *)opaque);
354
355 return 0;
356 }
357
358 static void output_end_frame(AVFilterLink *link)
359 {
360 }
361
362 static int output_query_formats(AVFilterContext *ctx)
363 {
364 FilterOutPriv *priv = ctx->priv;
365 enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
366
367 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
368 return 0;
369 }
370
371 static int get_filtered_video_pic(AVFilterContext *ctx,
372 AVFilterPicRef **picref, AVFrame *pic2,
373 uint64_t *pts)
374 {
375 AVFilterPicRef *pic;
376
377 if(avfilter_request_frame(ctx->inputs[0]))
378 return -1;
379 if(!(pic = ctx->inputs[0]->cur_pic))
380 return -1;
381 *picref = pic;
382 ctx->inputs[0]->cur_pic = NULL;
383
384 *pts = pic->pts;
385
386 memcpy(pic2->data, pic->data, sizeof(pic->data));
387 memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
388
389 return 1;
390 }
391
392 static AVFilter output_filter =
393 {
394 .name = "ffmpeg_output",
395
396 .priv_size = sizeof(FilterOutPriv),
397 .init = output_init,
398
399 .query_formats = output_query_formats,
400
401 .inputs = (AVFilterPad[]) {{ .name = "default",
402 .type = AVMEDIA_TYPE_VIDEO,
403 .end_frame = output_end_frame,
404 .min_perms = AV_PERM_READ, },
405 { .name = NULL }},
406 .outputs = (AVFilterPad[]) {{ .name = NULL }},
407 };
408
409 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
410 {
411 AVFilterContext *curr_filter;
412 /** filter graph containing all filters including input & output */
413 AVCodecContext *codec = ost->st->codec;
414 AVCodecContext *icodec = ist->st->codec;
415 char args[255];
416
417 filt_graph_all = av_mallocz(sizeof(AVFilterGraph));
418
419 if(!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
420 return -1;
421 if(!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
422 return -1;
423
424 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
425 ist->st->codec->height, ist->st->codec->pix_fmt);
426 if(avfilter_init_filter(ist->input_video_filter, args, NULL))
427 return -1;
428 if(avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
429 return -1;
430
431 /* add input and output filters to the overall graph */
432 avfilter_graph_add_filter(filt_graph_all, ist->input_video_filter);
433 avfilter_graph_add_filter(filt_graph_all, ist->out_video_filter);
434
435 curr_filter = ist->input_video_filter;
436
437 if(ost->video_crop) {
438 char crop_args[255];
439 AVFilterContext *filt_crop;
440 snprintf(crop_args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
441 codec->width - (frame_padleft + frame_padright),
442 codec->height - (frame_padtop + frame_padbottom));
443 filt_crop = avfilter_open(avfilter_get_by_name("crop"), NULL);
444 if (!filt_crop)
445 return -1;
446 if (avfilter_init_filter(filt_crop, crop_args, NULL))
447 return -1;
448 if (avfilter_link(curr_filter, 0, filt_crop, 0))
449 return -1;
450 curr_filter = filt_crop;
451 avfilter_graph_add_filter(filt_graph_all, curr_filter);
452 }
453
454 if((codec->width !=
455 icodec->width - (frame_leftBand + frame_rightBand) +
456 (frame_padleft + frame_padright)) ||
457 (codec->height != icodec->height - (frame_topBand + frame_bottomBand) +
458 (frame_padtop + frame_padbottom))) {
459 char scale_args[255];
460 AVFilterContext *filt_scale;
461 snprintf(scale_args, 255, "%d:%d:flags=0x%X",
462 codec->width - (frame_padleft + frame_padright),
463 codec->height - (frame_padtop + frame_padbottom),
464 (int)av_get_int(sws_opts, "sws_flags", NULL));
465 filt_scale = avfilter_open(avfilter_get_by_name("scale"), NULL);
466 if (!filt_scale)
467 return -1;
468 if (avfilter_init_filter(filt_scale, scale_args, NULL))
469 return -1;
470 if (avfilter_link(curr_filter, 0, filt_scale, 0))
471 return -1;
472 curr_filter = filt_scale;
473 avfilter_graph_add_filter(filt_graph_all, curr_filter);
474 }
475
476 if(vfilters) {
477 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
478 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
479
480 outputs->name = av_strdup("in");
481 outputs->filter = curr_filter;
482 outputs->pad_idx = 0;
483 outputs->next = NULL;
484
485 inputs->name = av_strdup("out");
486 inputs->filter = ist->out_video_filter;
487 inputs->pad_idx = 0;
488 inputs->next = NULL;
489
490 if (avfilter_graph_parse(filt_graph_all, vfilters, inputs, outputs, NULL) < 0)
491 return -1;
492 av_freep(&vfilters);
493 } else {
494 if(avfilter_link(curr_filter, 0, ist->out_video_filter, 0) < 0)
495 return -1;
496 }
497
498 {
499 char scale_sws_opts[128];
500 snprintf(scale_sws_opts, sizeof(scale_sws_opts), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
501 filt_graph_all->scale_sws_opts = av_strdup(scale_sws_opts);
502 }
503
504 /* configure all the filter links */
505 if(avfilter_graph_check_validity(filt_graph_all, NULL))
506 return -1;
507 if(avfilter_graph_config_formats(filt_graph_all, NULL))
508 return -1;
509 if(avfilter_graph_config_links(filt_graph_all, NULL))
510 return -1;
511
512 codec->width = ist->out_video_filter->inputs[0]->w;
513 codec->height = ist->out_video_filter->inputs[0]->h;
514
515 return 0;
516 }
517 #endif /* CONFIG_AVFILTER */
518
519 static void term_exit(void)
520 {
521 #if HAVE_TERMIOS_H
522 tcsetattr (0, TCSANOW, &oldtty);
523 #endif
524 }
525
526 static volatile int received_sigterm = 0;
527
528 static void
529 sigterm_handler(int sig)
530 {
531 received_sigterm = sig;
532 term_exit();
533 }
534
535 static void term_init(void)
536 {
537 #if HAVE_TERMIOS_H
538 struct termios tty;
539
540 tcgetattr (0, &tty);
541 oldtty = tty;
542 atexit(term_exit);
543
544 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
545 |INLCR|IGNCR|ICRNL|IXON);
546 tty.c_oflag |= OPOST;
547 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
548 tty.c_cflag &= ~(CSIZE|PARENB);
549 tty.c_cflag |= CS8;
550 tty.c_cc[VMIN] = 1;
551 tty.c_cc[VTIME] = 0;
552
553 tcsetattr (0, TCSANOW, &tty);
554 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
555 #endif
556
557 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
558 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
559 #ifdef SIGXCPU
560 signal(SIGXCPU, sigterm_handler);
561 #endif
562
563 #if CONFIG_BEOS_NETSERVER
564 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
565 #endif
566 }
567
568 /* read a key without blocking */
569 static int read_key(void)
570 {
571 #if HAVE_TERMIOS_H
572 int n = 1;
573 unsigned char ch;
574 #if !CONFIG_BEOS_NETSERVER
575 struct timeval tv;
576 fd_set rfds;
577
578 FD_ZERO(&rfds);
579 FD_SET(0, &rfds);
580 tv.tv_sec = 0;
581 tv.tv_usec = 0;
582 n = select(1, &rfds, NULL, NULL, &tv);
583 #endif
584 if (n > 0) {
585 n = read(0, &ch, 1);
586 if (n == 1)
587 return ch;
588
589 return n;
590 }
591 #elif HAVE_CONIO_H
592 if(kbhit())
593 return(getch());
594 #endif
595 return -1;
596 }
597
598 static int decode_interrupt_cb(void)
599 {
600 return q_pressed || (q_pressed = read_key() == 'q');
601 }
602
603 static int av_exit(int ret)
604 {
605 int i;
606
607 /* close files */
608 for(i=0;i<nb_output_files;i++) {
609 /* maybe av_close_output_file ??? */
610 AVFormatContext *s = output_files[i];
611 int j;
612 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
613 url_fclose(s->pb);
614 for(j=0;j<s->nb_streams;j++) {
615 av_metadata_free(&s->streams[j]->metadata);
616 av_free(s->streams[j]->codec);
617 av_free(s->streams[j]);
618 }
619 for(j=0;j<s->nb_programs;j++) {
620 av_metadata_free(&s->programs[j]->metadata);
621 }
622 for(j=0;j<s->nb_chapters;j++) {
623 av_metadata_free(&s->chapters[j]->metadata);
624 }
625 av_metadata_free(&s->metadata);
626 av_free(s);
627 }
628 for(i=0;i<nb_input_files;i++)
629 av_close_input_file(input_files[i]);
630
631 av_free(intra_matrix);
632 av_free(inter_matrix);
633
634 if (vstats_file)
635 fclose(vstats_file);
636 av_free(vstats_filename);
637
638 av_free(opt_names);
639
640 av_free(video_codec_name);
641 av_free(audio_codec_name);
642 av_free(subtitle_codec_name);
643
644 av_free(video_standard);
645
646 #if CONFIG_POWERPC_PERF
647 void powerpc_display_perf_report(void);
648 powerpc_display_perf_report();
649 #endif /* CONFIG_POWERPC_PERF */
650
651 for (i=0;i<AVMEDIA_TYPE_NB;i++)
652 av_free(avcodec_opts[i]);
653 av_free(avformat_opts);
654 av_free(sws_opts);
655 av_free(audio_buf);
656 av_free(audio_out);
657 allocated_audio_buf_size= allocated_audio_out_size= 0;
658 av_free(samples);
659
660 #if CONFIG_AVFILTER
661 avfilter_uninit();
662 #endif
663
664 if (received_sigterm) {
665 fprintf(stderr,
666 "Received signal %d: terminating.\n",
667 (int) received_sigterm);
668 exit (255);
669 }
670
671 exit(ret); /* not all OS-es handle main() return value */
672 return ret;
673 }
674
675 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
676 {
677 if(codec && codec->sample_fmts){
678 const enum SampleFormat *p= codec->sample_fmts;
679 for(; *p!=-1; p++){
680 if(*p == st->codec->sample_fmt)
681 break;
682 }
683 if(*p == -1)
684 st->codec->sample_fmt = codec->sample_fmts[0];
685 }
686 }
687
688 static void choose_sample_rate(AVStream *st, AVCodec *codec)
689 {
690 if(codec && codec->supported_samplerates){
691 const int *p= codec->supported_samplerates;
692 int best;
693 int best_dist=INT_MAX;
694 for(; *p; p++){
695 int dist= abs(st->codec->sample_rate - *p);
696 if(dist < best_dist){
697 best_dist= dist;
698 best= *p;
699 }
700 }
701 if(best_dist){
702 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
703 }
704 st->codec->sample_rate= best;
705 }
706 }
707
708 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
709 {
710 if(codec && codec->pix_fmts){
711 const enum PixelFormat *p= codec->pix_fmts;
712 for(; *p!=-1; p++){
713 if(*p == st->codec->pix_fmt)
714 break;
715 }
716 if(*p == -1
717 && !( st->codec->codec_id==CODEC_ID_MJPEG
718 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
719 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
720 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
721 st->codec->pix_fmt = codec->pix_fmts[0];
722 }
723 }
724
725 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
726 {
727 int i, err;
728 AVFormatContext *ic;
729 int nopts = 0;
730
731 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
732 if (err < 0)
733 return err;
734 /* copy stream format */
735 s->nb_streams = ic->nb_streams;
736 for(i=0;i<ic->nb_streams;i++) {
737 AVStream *st;
738 AVCodec *codec;
739
740 // FIXME: a more elegant solution is needed
741 st = av_mallocz(sizeof(AVStream));
742 memcpy(st, ic->streams[i], sizeof(AVStream));
743 st->codec = avcodec_alloc_context();
744 if (!st->codec) {
745 print_error(filename, AVERROR(ENOMEM));
746 av_exit(1);
747 }
748 avcodec_copy_context(st->codec, ic->streams[i]->codec);
749 s->streams[i] = st;
750
751 codec = avcodec_find_encoder(st->codec->codec_id);
752 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
753 if (audio_stream_copy) {
754 st->stream_copy = 1;
755 } else
756 choose_sample_fmt(st, codec);
757 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
758 if (video_stream_copy) {
759 st->stream_copy = 1;
760 } else
761 choose_pixel_fmt(st, codec);
762 }
763
764 if(!st->codec->thread_count)
765 st->codec->thread_count = 1;
766 if(st->codec->thread_count>1)
767 avcodec_thread_init(st->codec, st->codec->thread_count);
768
769 if(st->codec->flags & CODEC_FLAG_BITEXACT)
770 nopts = 1;
771 }
772
773 if (!nopts)
774 s->timestamp = av_gettime();
775
776 av_close_input_file(ic);
777 return 0;
778 }
779
780 static double
781 get_sync_ipts(const AVOutputStream *ost)
782 {
783 const AVInputStream *ist = ost->sync_ist;
784 return (double)(ist->pts - start_time)/AV_TIME_BASE;
785 }
786
787 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
788 int ret;
789
790 while(bsfc){
791 AVPacket new_pkt= *pkt;
792 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
793 &new_pkt.data, &new_pkt.size,
794 pkt->data, pkt->size,
795 pkt->flags & AV_PKT_FLAG_KEY);
796 if(a>0){
797 av_free_packet(pkt);
798 new_pkt.destruct= av_destruct_packet;
799 } else if(a<0){
800 fprintf(stderr, "%s failed for stream %d, codec %s",
801 bsfc->filter->name, pkt->stream_index,
802 avctx->codec ? avctx->codec->name : "copy");
803 print_error("", a);
804 if (exit_on_error)
805 av_exit(1);
806 }
807 *pkt= new_pkt;
808
809 bsfc= bsfc->next;
810 }
811
812 ret= av_interleaved_write_frame(s, pkt);
813 if(ret < 0){
814 print_error("av_interleaved_write_frame()", ret);
815 av_exit(1);
816 }
817 }
818
819 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
820
821 static void do_audio_out(AVFormatContext *s,
822 AVOutputStream *ost,
823 AVInputStream *ist,
824 unsigned char *buf, int size)
825 {
826 uint8_t *buftmp;
827 int64_t audio_out_size, audio_buf_size;
828 int64_t allocated_for_size= size;
829
830 int size_out, frame_bytes, ret;
831 AVCodecContext *enc= ost->st->codec;
832 AVCodecContext *dec= ist->st->codec;
833 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
834 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
835 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
836
837 need_realloc:
838 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
839 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
840 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
841 audio_buf_size*= osize*enc->channels;
842
843 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
844 if(coded_bps > 8*osize)
845 audio_out_size= audio_out_size * coded_bps / (8*osize);
846 audio_out_size += FF_MIN_BUFFER_SIZE;
847
848 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
849 fprintf(stderr, "Buffer sizes too large\n");
850 av_exit(1);
851 }
852
853 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
854 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
855 if (!audio_buf || !audio_out){
856 fprintf(stderr, "Out of memory in do_audio_out\n");
857 av_exit(1);
858 }
859
860 if (enc->channels != dec->channels)
861 ost->audio_resample = 1;
862
863 if (ost->audio_resample && !ost->resample) {
864 if (dec->sample_fmt != SAMPLE_FMT_S16)
865 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
866 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
867 enc->sample_rate, dec->sample_rate,
868 enc->sample_fmt, dec->sample_fmt,
869 16, 10, 0, 0.8);
870 if (!ost->resample) {
871 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
872 dec->channels, dec->sample_rate,
873 enc->channels, enc->sample_rate);
874 av_exit(1);
875 }
876 }
877
878 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
879 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
880 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
881 if (ost->reformat_ctx)
882 av_audio_convert_free(ost->reformat_ctx);
883 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
884 dec->sample_fmt, 1, NULL, 0);
885 if (!ost->reformat_ctx) {
886 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
887 avcodec_get_sample_fmt_name(dec->sample_fmt),
888 avcodec_get_sample_fmt_name(enc->sample_fmt));
889 av_exit(1);
890 }
891 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
892 }
893
894 if(audio_sync_method){
895 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
896 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
897 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
898 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
899
900 //FIXME resample delay
901 if(fabs(delta) > 50){
902 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
903 if(byte_delta < 0){
904 byte_delta= FFMAX(byte_delta, -size);
905 size += byte_delta;
906 buf -= byte_delta;
907 if(verbose > 2)
908 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
909 if(!size)
910 return;
911 ist->is_start=0;
912 }else{
913 static uint8_t *input_tmp= NULL;
914 input_tmp= av_realloc(input_tmp, byte_delta + size);
915
916 if(byte_delta > allocated_for_size - size){
917 allocated_for_size= byte_delta + (int64_t)size;
918 goto need_realloc;
919 }
920 ist->is_start=0;
921
922 memset(input_tmp, 0, byte_delta);
923 memcpy(input_tmp + byte_delta, buf, size);
924 buf= input_tmp;
925 size += byte_delta;
926 if(verbose > 2)
927 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
928 }
929 }else if(audio_sync_method>1){
930 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
931 assert(ost->audio_resample);
932 if(verbose > 2)
933 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
934 // 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));
935 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
936 }
937 }
938 }else
939 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
940 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
941
942 if (ost->audio_resample) {
943 buftmp = audio_buf;
944 size_out = audio_resample(ost->resample,
945 (short *)buftmp, (short *)buf,
946 size / (ist->st->codec->channels * isize));
947 size_out = size_out * enc->channels * osize;
948 } else {
949 buftmp = buf;
950 size_out = size;
951 }
952
953 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
954 const void *ibuf[6]= {buftmp};
955 void *obuf[6]= {audio_buf};
956 int istride[6]= {isize};
957 int ostride[6]= {osize};
958 int len= size_out/istride[0];
959 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
960 printf("av_audio_convert() failed\n");
961 if (exit_on_error)
962 av_exit(1);
963 return;
964 }
965 buftmp = audio_buf;
966 size_out = len*osize;
967 }
968
969 /* now encode as many frames as possible */
970 if (enc->frame_size > 1) {
971 /* output resampled raw samples */
972 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
973 fprintf(stderr, "av_fifo_realloc2() failed\n");
974 av_exit(1);
975 }
976 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
977
978 frame_bytes = enc->frame_size * osize * enc->channels;
979
980 while (av_fifo_size(ost->fifo) >= frame_bytes) {
981 AVPacket pkt;
982 av_init_packet(&pkt);
983
984 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
985
986 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
987
988 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
989 (short *)audio_buf);
990 if (ret < 0) {
991 fprintf(stderr, "Audio encoding failed\n");
992 av_exit(1);
993 }
994 audio_size += ret;
995 pkt.stream_index= ost->index;
996 pkt.data= audio_out;
997 pkt.size= ret;
998 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
999 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1000 pkt.flags |= AV_PKT_FLAG_KEY;
1001 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1002
1003 ost->sync_opts += enc->frame_size;
1004 }
1005 } else {
1006 AVPacket pkt;
1007 av_init_packet(&pkt);
1008
1009 ost->sync_opts += size_out / (osize * enc->channels);
1010
1011 /* output a pcm frame */
1012 /* determine the size of the coded buffer */
1013 size_out /= osize;
1014 if (coded_bps)
1015 size_out = size_out*coded_bps/8;
1016
1017 if(size_out > audio_out_size){
1018 fprintf(stderr, "Internal error, buffer size too small\n");
1019 av_exit(1);
1020 }
1021
1022 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1023 ret = avcodec_encode_audio(enc, audio_out, size_out,
1024 (short *)buftmp);
1025 if (ret < 0) {
1026 fprintf(stderr, "Audio encoding failed\n");
1027 av_exit(1);
1028 }
1029 audio_size += ret;
1030 pkt.stream_index= ost->index;
1031 pkt.data= audio_out;
1032 pkt.size= ret;
1033 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1034 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1035 pkt.flags |= AV_PKT_FLAG_KEY;
1036 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1037 }
1038 }
1039
1040 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1041 {
1042 AVCodecContext *dec;
1043 AVPicture *picture2;
1044 AVPicture picture_tmp;
1045 uint8_t *buf = 0;
1046
1047 dec = ist->st->codec;
1048
1049 /* deinterlace : must be done before any resize */
1050 if (do_deinterlace) {
1051 int size;
1052
1053 /* create temporary picture */
1054 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1055 buf = av_malloc(size);
1056 if (!buf)
1057 return;
1058
1059 picture2 = &picture_tmp;
1060 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1061
1062 if(avpicture_deinterlace(picture2, picture,
1063 dec->pix_fmt, dec->width, dec->height) < 0) {
1064 /* if error, do not deinterlace */
1065 fprintf(stderr, "Deinterlacing failed\n");
1066 av_free(buf);
1067 buf = NULL;
1068 picture2 = picture;
1069 }
1070 } else {
1071 picture2 = picture;
1072 }
1073
1074 if (picture != picture2)
1075 *picture = *picture2;
1076 *bufp = buf;
1077 }
1078
1079 /* we begin to correct av delay at this threshold */
1080 #define AV_DELAY_MAX 0.100
1081
1082 static void do_subtitle_out(AVFormatContext *s,
1083 AVOutputStream *ost,
1084 AVInputStream *ist,
1085 AVSubtitle *sub,
1086 int64_t pts)
1087 {
1088 static uint8_t *subtitle_out = NULL;
1089 int subtitle_out_max_size = 1024 * 1024;
1090 int subtitle_out_size, nb, i;
1091 AVCodecContext *enc;
1092 AVPacket pkt;
1093
1094 if (pts == AV_NOPTS_VALUE) {
1095 fprintf(stderr, "Subtitle packets must have a pts\n");
1096 if (exit_on_error)
1097 av_exit(1);
1098 return;
1099 }
1100
1101 enc = ost->st->codec;
1102
1103 if (!subtitle_out) {
1104 subtitle_out = av_malloc(subtitle_out_max_size);
1105 }
1106
1107 /* Note: DVB subtitle need one packet to draw them and one other
1108 packet to clear them */
1109 /* XXX: signal it in the codec context ? */
1110 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1111 nb = 2;
1112 else
1113 nb = 1;
1114
1115 for(i = 0; i < nb; i++) {
1116 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1117 // start_display_time is required to be 0
1118 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1119 sub->end_display_time -= sub->start_display_time;
1120 sub->start_display_time = 0;
1121 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1122 subtitle_out_max_size, sub);
1123 if (subtitle_out_size < 0) {
1124 fprintf(stderr, "Subtitle encoding failed\n");
1125 av_exit(1);
1126 }
1127
1128 av_init_packet(&pkt);
1129 pkt.stream_index = ost->index;
1130 pkt.data = subtitle_out;
1131 pkt.size = subtitle_out_size;
1132 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1133 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1134 /* XXX: the pts correction is handled here. Maybe handling
1135 it in the codec would be better */
1136 if (i == 0)
1137 pkt.pts += 90 * sub->start_display_time;
1138 else
1139 pkt.pts += 90 * sub->end_display_time;
1140 }
1141 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1142 }
1143 }
1144
1145 static int bit_buffer_size= 1024*256;
1146 static uint8_t *bit_buffer= NULL;
1147
1148 static void do_video_out(AVFormatContext *s,
1149 AVOutputStream *ost,
1150 AVInputStream *ist,
1151 AVFrame *in_picture,
1152 int *frame_size)
1153 {
1154 int nb_frames, i, ret;
1155 #if !CONFIG_AVFILTER
1156 int64_t topBand, bottomBand, leftBand, rightBand;
1157 #endif
1158 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1159 AVFrame picture_crop_temp, picture_pad_temp;
1160 AVCodecContext *enc, *dec;
1161 double sync_ipts;
1162
1163 avcodec_get_frame_defaults(&picture_crop_temp);
1164 avcodec_get_frame_defaults(&picture_pad_temp);
1165
1166 enc = ost->st->codec;
1167 dec = ist->st->codec;
1168
1169 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1170
1171 /* by default, we output a single frame */
1172 nb_frames = 1;
1173
1174 *frame_size = 0;
1175
1176 if(video_sync_method){
1177 double vdelta = sync_ipts - ost->sync_opts;
1178 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1179 if (vdelta < -1.1)
1180 nb_frames = 0;
1181 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1182 if(vdelta<=-0.6){
1183 nb_frames=0;
1184 }else if(vdelta>0.6)
1185 ost->sync_opts= lrintf(sync_ipts);
1186 }else if (vdelta > 1.1)
1187 nb_frames = lrintf(vdelta);
1188 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1189 if (nb_frames == 0){
1190 ++nb_frames_drop;
1191 if (verbose>2)
1192 fprintf(stderr, "*** drop!\n");
1193 }else if (nb_frames > 1) {
1194 nb_frames_dup += nb_frames - 1;
1195 if (verbose>2)
1196 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1197 }
1198 }else
1199 ost->sync_opts= lrintf(sync_ipts);
1200
1201 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1202 if (nb_frames <= 0)
1203 return;
1204
1205 #if CONFIG_AVFILTER
1206 formatted_picture = in_picture;
1207 #else
1208 if (ost->video_crop) {
1209 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1210 fprintf(stderr, "error cropping picture\n");
1211 if (exit_on_error)
1212 av_exit(1);
1213 return;
1214 }
1215 formatted_picture = &picture_crop_temp;
1216 } else {
1217 formatted_picture = in_picture;
1218 }
1219 #endif
1220
1221 final_picture = formatted_picture;
1222 padding_src = formatted_picture;
1223 resampling_dst = &ost->pict_tmp;
1224 if (ost->video_pad) {
1225 final_picture = &ost->pict_tmp;
1226 if (ost->video_resample) {
1227 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
1228 fprintf(stderr, "error padding picture\n");
1229 if (exit_on_error)
1230 av_exit(1);
1231 return;
1232 }
1233 resampling_dst = &picture_pad_temp;
1234 }
1235 }
1236
1237 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1238 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1239 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1240
1241 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1242 if(!ost->video_resample)
1243 av_exit(1);
1244 }
1245
1246 #if !CONFIG_AVFILTER
1247 if (ost->video_resample) {
1248 padding_src = NULL;
1249 final_picture = &ost->pict_tmp;
1250 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1251 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1252 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1253
1254 /* keep bands proportional to the frame size */
1255 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1256 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1257 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1258 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1259
1260 /* sanity check to ensure no bad band sizes sneak in */
1261 assert(topBand <= INT_MAX && topBand >= 0);
1262 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1263 assert(leftBand <= INT_MAX && leftBand >= 0);
1264 assert(rightBand <= INT_MAX && rightBand >= 0);
1265
1266 ost->topBand = topBand;
1267 ost->bottomBand = bottomBand;
1268 ost->leftBand = leftBand;
1269 ost->rightBand = rightBand;
1270
1271 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1272 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1273 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1274
1275 /* initialize a new scaler context */
1276 sws_freeContext(ost->img_resample_ctx);
1277 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1278 ost->img_resample_ctx = sws_getContext(
1279 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1280 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1281 ist->st->codec->pix_fmt,
1282 ost->st->codec->width - (ost->padleft + ost->padright),
1283 ost->st->codec->height - (ost->padtop + ost->padbottom),
1284 ost->st->codec->pix_fmt,
1285 sws_flags, NULL, NULL, NULL);
1286 if (ost->img_resample_ctx == NULL) {
1287 fprintf(stderr, "Cannot get resampling context\n");
1288 av_exit(1);
1289 }
1290 }
1291 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1292 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1293 }
1294 #endif
1295
1296 if (ost->video_pad) {
1297 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1298 enc->height, enc->width, enc->pix_fmt,
1299 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1300 }
1301
1302 /* duplicates frame if needed */
1303 for(i=0;i<nb_frames;i++) {
1304 AVPacket pkt;
1305 av_init_packet(&pkt);
1306 pkt.stream_index= ost->index;
1307
1308 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1309 /* raw pictures are written as AVPicture structure to
1310 avoid any copies. We support temorarily the older
1311 method. */
1312 AVFrame* old_frame = enc->coded_frame;
1313 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1314 pkt.data= (uint8_t *)final_picture;
1315 pkt.size= sizeof(AVPicture);
1316 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1317 pkt.flags |= AV_PKT_FLAG_KEY;
1318
1319 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1320 enc->coded_frame = old_frame;
1321 } else {
1322 AVFrame big_picture;
1323
1324 big_picture= *final_picture;
1325 /* better than nothing: use input picture interlaced
1326 settings */
1327 big_picture.interlaced_frame = in_picture->interlaced_frame;
1328 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1329 if(top_field_first == -1)
1330 big_picture.top_field_first = in_picture->top_field_first;
1331 else
1332 big_picture.top_field_first = top_field_first;
1333 }
1334
1335 /* handles sameq here. This is not correct because it may
1336 not be a global option */
1337 if (same_quality) {
1338 big_picture.quality = ist->st->quality;
1339 }else
1340 big_picture.quality = ost->st->quality;
1341 if(!me_threshold)
1342 big_picture.pict_type = 0;
1343 // big_picture.pts = AV_NOPTS_VALUE;
1344 big_picture.pts= ost->sync_opts;
1345 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1346 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1347 ret = avcodec_encode_video(enc,
1348 bit_buffer, bit_buffer_size,
1349 &big_picture);
1350 if (ret < 0) {
1351 fprintf(stderr, "Video encoding failed\n");
1352 av_exit(1);
1353 }
1354
1355 if(ret>0){
1356 pkt.data= bit_buffer;
1357 pkt.size= ret;
1358 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1359 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1360 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1361 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1362 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1363
1364 if(enc->coded_frame->key_frame)
1365 pkt.flags |= AV_PKT_FLAG_KEY;
1366 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1367 *frame_size = ret;
1368 video_size += ret;
1369 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1370 // enc->frame_number-1, ret, enc->pict_type);
1371 /* if two pass, output log */
1372 if (ost->logfile && enc->stats_out) {
1373 fprintf(ost->logfile, "%s", enc->stats_out);
1374 }
1375 }
1376 }
1377 ost->sync_opts++;
1378 ost->frame_number++;
1379 }
1380 }
1381
1382 static double psnr(double d){
1383 return -10.0*log(d)/log(10.0);
1384 }
1385
1386 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1387 int frame_size)
1388 {
1389 AVCodecContext *enc;
1390 int frame_number;
1391 double ti1, bitrate, avg_bitrate;
1392
1393 /* this is executed just the first time do_video_stats is called */
1394 if (!vstats_file) {
1395 vstats_file = fopen(vstats_filename, "w");
1396 if (!vstats_file) {
1397 perror("fopen");
1398 av_exit(1);
1399 }
1400 }
1401
1402 enc = ost->st->codec;
1403 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1404 frame_number = ost->frame_number;
1405 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1406 if (enc->flags&CODEC_FLAG_PSNR)
1407 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1408
1409 fprintf(vstats_file,"f_size= %6d ", frame_size);
1410 /* compute pts value */
1411 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1412 if (ti1 < 0.01)
1413 ti1 = 0.01;
1414
1415 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1416 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1417 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1418 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1419 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1420 }
1421 }
1422
1423 static void print_report(AVFormatContext **output_files,
1424 AVOutputStream **ost_table, int nb_ostreams,
1425 int is_last_report)
1426 {
1427 char buf[1024];
1428 AVOutputStream *ost;
1429 AVFormatContext *oc;
1430 int64_t total_size;
1431 AVCodecContext *enc;
1432 int frame_number, vid, i;
1433 double bitrate, ti1, pts;
1434 static int64_t last_time = -1;
1435 static int qp_histogram[52];
1436
1437 if (!is_last_report) {
1438 int64_t cur_time;
1439 /* display the report every 0.5 seconds */
1440 cur_time = av_gettime();
1441 if (last_time == -1) {
1442 last_time = cur_time;
1443 return;
1444 }
1445 if ((cur_time - last_time) < 500000)
1446 return;
1447 last_time = cur_time;
1448 }
1449
1450
1451 oc = output_files[0];
1452
1453 total_size = url_fsize(oc->pb);
1454 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1455 total_size= url_ftell(oc->pb);
1456
1457 buf[0] = '\0';
1458 ti1 = 1e10;
1459 vid = 0;
1460 for(i=0;i<nb_ostreams;i++) {
1461 ost = ost_table[i];
1462 enc = ost->st->codec;
1463 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1464 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1465 !ost->st->stream_copy ?
1466 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1467 }
1468 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1469 float t = (av_gettime()-timer_start) / 1000000.0;
1470
1471 frame_number = ost->frame_number;
1472 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1473 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1474 !ost->st->stream_copy ?
1475 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1476 if(is_last_report)
1477 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1478 if(qp_hist){
1479 int j;
1480 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1481 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1482 qp_histogram[qp]++;
1483 for(j=0; j<32; j++)
1484 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1485 }
1486 if (enc->flags&CODEC_FLAG_PSNR){
1487 int j;
1488 double error, error_sum=0;
1489 double scale, scale_sum=0;
1490 char type[3]= {'Y','U','V'};
1491 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1492 for(j=0; j<3; j++){
1493 if(is_last_report){
1494 error= enc->error[j];
1495 scale= enc->width*enc->height*255.0*255.0*frame_number;
1496 }else{
1497 error= enc->coded_frame->error[j];
1498 scale= enc->width*enc->height*255.0*255.0;
1499 }
1500 if(j) scale/=4;
1501 error_sum += error;
1502 scale_sum += scale;
1503 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1504 }
1505 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1506 }
1507 vid = 1;
1508 }
1509 /* compute min output value */
1510 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1511 if ((pts < ti1) && (pts > 0))
1512 ti1 = pts;
1513 }
1514 if (ti1 < 0.01)
1515 ti1 = 0.01;
1516
1517 if (verbose || is_last_report) {
1518 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1519
1520 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1521 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1522 (double)total_size / 1024, ti1, bitrate);
1523
1524 if (nb_frames_dup || nb_frames_drop)
1525 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1526 nb_frames_dup, nb_frames_drop);
1527
1528 if (verbose >= 0)
1529 fprintf(stderr, "%s \r", buf);
1530
1531 fflush(stderr);
1532 }
1533
1534 if (is_last_report && verbose >= 0){
1535 int64_t raw= audio_size + video_size + extra_size;
1536 fprintf(stderr, "\n");
1537 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1538 video_size/1024.0,
1539 audio_size/1024.0,
1540 extra_size/1024.0,
1541 100.0*(total_size - raw)/raw
1542 );
1543 }
1544 }
1545
1546 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1547 static int output_packet(AVInputStream *ist, int ist_index,
1548 AVOutputStream **ost_table, int nb_ostreams,
1549 const AVPacket *pkt)
1550 {
1551 AVFormatContext *os;
1552 AVOutputStream *ost;
1553 int ret, i;
1554 int got_picture;
1555 AVFrame picture;
1556 void *buffer_to_free;
1557 static unsigned int samples_size= 0;
1558 AVSubtitle subtitle, *subtitle_to_free;
1559 int got_subtitle;
1560 #if CONFIG_AVFILTER
1561 int loop;
1562 #endif
1563
1564 AVPacket avpkt;
1565 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1566
1567 if(ist->next_pts == AV_NOPTS_VALUE)
1568 ist->next_pts= ist->pts;
1569
1570 if (pkt == NULL) {
1571 /* EOF handling */
1572 av_init_packet(&avpkt);
1573 avpkt.data = NULL;
1574 avpkt.size = 0;
1575 goto handle_eof;
1576 } else {
1577 avpkt = *pkt;
1578 }
1579
1580 if(pkt->dts != AV_NOPTS_VALUE)
1581 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1582
1583 //while we have more to decode or while the decoder did output something on EOF
1584 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1585 uint8_t *data_buf, *decoded_data_buf;
1586 int data_size, decoded_data_size;
1587 handle_eof:
1588 ist->pts= ist->next_pts;
1589
1590 if(avpkt.size && avpkt.size != pkt->size &&
1591 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1592 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1593 ist->showed_multi_packet_warning=1;
1594 }
1595
1596 /* decode the packet if needed */
1597 decoded_data_buf = NULL; /* fail safe */
1598 decoded_data_size= 0;
1599 data_buf = avpkt.data;
1600 data_size = avpkt.size;
1601 subtitle_to_free = NULL;
1602 if (ist->decoding_needed) {
1603 switch(ist->st->codec->codec_type) {
1604 case AVMEDIA_TYPE_AUDIO:{
1605 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1606 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1607 av_free(samples);
1608 samples= av_malloc(samples_size);
1609 }
1610 decoded_data_size= samples_size;
1611 /* XXX: could avoid copy if PCM 16 bits with same
1612 endianness as CPU */
1613 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1614 &avpkt);
1615 if (ret < 0)
1616 goto fail_decode;
1617 avpkt.data += ret;
1618 avpkt.size -= ret;
1619 data_size = ret;
1620 /* Some bug in mpeg audio decoder gives */
1621 /* decoded_data_size < 0, it seems they are overflows */
1622 if (decoded_data_size <= 0) {
1623 /* no audio frame */
1624 continue;
1625 }
1626 decoded_data_buf = (uint8_t *)samples;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1628 (ist->st->codec->sample_rate * ist->st->codec->channels);
1629 break;}
1630 case AVMEDIA_TYPE_VIDEO:
1631 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1632 /* XXX: allocate picture correctly */
1633 avcodec_get_frame_defaults(&picture);
1634
1635 ret = avcodec_decode_video2(ist->st->codec,
1636 &picture, &got_picture, &avpkt);
1637 ist->st->quality= picture.quality;
1638 if (ret < 0)
1639 goto fail_decode;
1640 if (!got_picture) {
1641 /* no picture yet */
1642 goto discard_packet;
1643 }
1644 if (ist->st->codec->time_base.num != 0) {
1645 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1646 ist->next_pts += ((int64_t)AV_TIME_BASE *
1647 ist->st->codec->time_base.num * ticks) /
1648 ist->st->codec->time_base.den;
1649 }
1650 avpkt.size = 0;
1651 break;
1652 case AVMEDIA_TYPE_SUBTITLE:
1653 ret = avcodec_decode_subtitle2(ist->st->codec,
1654 &subtitle, &got_subtitle, &avpkt);
1655 if (ret < 0)
1656 goto fail_decode;
1657 if (!got_subtitle) {
1658 goto discard_packet;
1659 }
1660 subtitle_to_free = &subtitle;
1661 avpkt.size = 0;
1662 break;
1663 default:
1664 goto fail_decode;
1665 }
1666 } else {
1667 switch(ist->st->codec->codec_type) {
1668 case AVMEDIA_TYPE_AUDIO:
1669 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1670 ist->st->codec->sample_rate;
1671 break;
1672 case AVMEDIA_TYPE_VIDEO:
1673 if (ist->st->codec->time_base.num != 0) {
1674 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1675 ist->next_pts += ((int64_t)AV_TIME_BASE *
1676 ist->st->codec->time_base.num * ticks) /
1677 ist->st->codec->time_base.den;
1678 }
1679 break;
1680 }
1681 ret = avpkt.size;
1682 avpkt.size = 0;
1683 }
1684
1685 buffer_to_free = NULL;
1686 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1687 pre_process_video_frame(ist, (AVPicture *)&picture,
1688 &buffer_to_free);
1689 }
1690
1691 #if CONFIG_AVFILTER
1692 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1693 // add it to be filtered
1694 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1695 ist->pts,
1696 ist->st->codec->sample_aspect_ratio);
1697 }
1698 #endif
1699
1700 // preprocess audio (volume)
1701 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1702 if (audio_volume != 256) {
1703 short *volp;
1704 volp = samples;
1705 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1706 int v = ((*volp) * audio_volume + 128) >> 8;
1707 if (v < -32768) v = -32768;
1708 if (v > 32767) v = 32767;
1709 *volp++ = v;
1710 }
1711 }
1712 }
1713
1714 /* frame rate emulation */
1715 if (rate_emu) {
1716 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1717 int64_t now = av_gettime() - ist->start;
1718 if (pts > now)
1719 usleep(pts - now);
1720 }
1721 #if CONFIG_AVFILTER
1722 loop = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1723 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1724 #endif
1725 /* if output time reached then transcode raw format,
1726 encode packets and output them */
1727 if (start_time == 0 || ist->pts >= start_time)
1728 #if CONFIG_AVFILTER
1729 while(loop) {
1730 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1731 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1732 #endif
1733 for(i=0;i<nb_ostreams;i++) {
1734 int frame_size;
1735
1736 ost = ost_table[i];
1737 if (ost->source_index == ist_index) {
1738 os = output_files[ost->file_index];
1739
1740 /* set the input output pts pairs */
1741 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1742
1743 if (ost->encoding_needed) {
1744 assert(ist->decoding_needed);
1745 switch(ost->st->codec->codec_type) {
1746 case AVMEDIA_TYPE_AUDIO:
1747 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1748 break;
1749 case AVMEDIA_TYPE_VIDEO:
1750 #if CONFIG_AVFILTER
1751 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1752 #endif
1753 do_video_out(os, ost, ist, &picture, &frame_size);
1754 if (vstats_filename && frame_size)
1755 do_video_stats(os, ost, frame_size);
1756 break;
1757 case AVMEDIA_TYPE_SUBTITLE:
1758 do_subtitle_out(os, ost, ist, &subtitle,
1759 pkt->pts);
1760 break;
1761 default:
1762 abort();
1763 }
1764 } else {
1765 AVFrame avframe; //FIXME/XXX remove this
1766 AVPacket opkt;
1767 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1768
1769 av_init_packet(&opkt);
1770
1771 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1772 continue;
1773
1774 /* no reencoding needed : output the packet directly */
1775 /* force the input stream PTS */
1776
1777 avcodec_get_frame_defaults(&avframe);
1778 ost->st->codec->coded_frame= &avframe;
1779 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1780
1781 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1782 audio_size += data_size;
1783 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1784 video_size += data_size;
1785 ost->sync_opts++;
1786 }
1787
1788 opkt.stream_index= ost->index;
1789 if(pkt->pts != AV_NOPTS_VALUE)
1790 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1791 else
1792 opkt.pts= AV_NOPTS_VALUE;
1793
1794 if (pkt->dts == AV_NOPTS_VALUE)
1795 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1796 else
1797 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1798 opkt.dts -= ost_tb_start_time;
1799
1800 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1801 opkt.flags= pkt->flags;
1802
1803 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1804 if( ost->st->codec->codec_id != CODEC_ID_H264
1805 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1806 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1807 ) {
1808 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1809 opkt.destruct= av_destruct_packet;
1810 } else {
1811 opkt.data = data_buf;
1812 opkt.size = data_size;
1813 }
1814
1815 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1816 ost->st->codec->frame_number++;
1817 ost->frame_number++;
1818 av_free_packet(&opkt);
1819 }
1820 }
1821 #if CONFIG_AVFILTER
1822 loop = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1823 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1824 #endif
1825 }
1826
1827 #if CONFIG_AVFILTER
1828 if(ist->picref)
1829 avfilter_unref_pic(ist->picref);
1830 }
1831 #endif
1832 av_free(buffer_to_free);
1833 /* XXX: allocate the subtitles in the codec ? */
1834 if (subtitle_to_free) {
1835 if (subtitle_to_free->rects != NULL) {
1836 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1837 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1838 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1839 av_freep(&subtitle_to_free->rects[i]);
1840 }
1841 av_freep(&subtitle_to_free->rects);
1842 }
1843 subtitle_to_free->num_rects = 0;
1844 subtitle_to_free = NULL;
1845 }
1846 }
1847 discard_packet:
1848 if (pkt == NULL) {
1849 /* EOF handling */
1850
1851 for(i=0;i<nb_ostreams;i++) {
1852 ost = ost_table[i];
1853 if (ost->source_index == ist_index) {
1854 AVCodecContext *enc= ost->st->codec;
1855 os = output_files[ost->file_index];
1856
1857 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1858 continue;
1859 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1860 continue;
1861
1862 if (ost->encoding_needed) {
1863 for(;;) {
1864 AVPacket pkt;
1865 int fifo_bytes;
1866 av_init_packet(&pkt);
1867 pkt.stream_index= ost->index;
1868
1869 switch(ost->st->codec->codec_type) {
1870 case AVMEDIA_TYPE_AUDIO:
1871 fifo_bytes = av_fifo_size(ost->fifo);
1872 ret = 0;
1873 /* encode any samples remaining in fifo */
1874 if (fifo_bytes > 0) {
1875 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1876 int fs_tmp = enc->frame_size;
1877
1878 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1879 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1880 enc->frame_size = fifo_bytes / (osize * enc->channels);
1881 } else { /* pad */
1882 int frame_bytes = enc->frame_size*osize*enc->channels;
1883 if (samples_size < frame_bytes)
1884 av_exit(1);
1885 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1886 }
1887
1888 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1889 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1890 ost->st->time_base.num, enc->sample_rate);
1891 enc->frame_size = fs_tmp;
1892 }
1893 if(ret <= 0) {
1894 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1895 }
1896 if (ret < 0) {
1897 fprintf(stderr, "Audio encoding failed\n");
1898 av_exit(1);
1899 }
1900 audio_size += ret;
1901 pkt.flags |= AV_PKT_FLAG_KEY;
1902 break;
1903 case AVMEDIA_TYPE_VIDEO:
1904 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1905 if (ret < 0) {
1906 fprintf(stderr, "Video encoding failed\n");
1907 av_exit(1);
1908 }
1909 video_size += ret;
1910 if(enc->coded_frame && enc->coded_frame->key_frame)
1911 pkt.flags |= AV_PKT_FLAG_KEY;
1912 if (ost->logfile && enc->stats_out) {
1913 fprintf(ost->logfile, "%s", enc->stats_out);
1914 }
1915 break;
1916 default:
1917 ret=-1;
1918 }
1919
1920 if(ret<=0)
1921 break;
1922 pkt.data= bit_buffer;
1923 pkt.size= ret;
1924 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1925 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1926 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1927 }
1928 }
1929 }
1930 }
1931 }
1932
1933 return 0;
1934 fail_decode:
1935 return -1;
1936 }
1937
1938 static void print_sdp(AVFormatContext **avc, int n)
1939 {
1940 char sdp[2048];
1941
1942 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1943 printf("SDP:\n%s\n", sdp);
1944 fflush(stdout);
1945 }
1946
1947 static int copy_chapters(int infile, int outfile)
1948 {
1949 AVFormatContext *is = input_files[infile];
1950 AVFormatContext *os = output_files[outfile];
1951 int i;
1952
1953 for (i = 0; i < is->nb_chapters; i++) {
1954 AVChapter *in_ch = is->chapters[i], *out_ch;
1955 AVMetadataTag *t = NULL;
1956 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1957 AV_TIME_BASE_Q, in_ch->time_base);
1958 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1959 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1960
1961
1962 if (in_ch->end < ts_off)
1963 continue;
1964 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1965 break;
1966
1967 out_ch = av_mallocz(sizeof(AVChapter));
1968 if (!out_ch)
1969 return AVERROR(ENOMEM);
1970
1971 out_ch->id = in_ch->id;
1972 out_ch->time_base = in_ch->time_base;
1973 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1974 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1975
1976 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1977 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1978
1979 os->nb_chapters++;
1980 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1981 if (!os->chapters)
1982 return AVERROR(ENOMEM);
1983 os->chapters[os->nb_chapters - 1] = out_ch;
1984 }
1985 return 0;
1986 }
1987
1988 /*
1989 * The following code is the main loop of the file converter
1990 */
1991 static int av_transcode(AVFormatContext **output_files,
1992 int nb_output_files,
1993 AVFormatContext **input_files,
1994 int nb_input_files,
1995 AVStreamMap *stream_maps, int nb_stream_maps)
1996 {
1997 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1998 AVFormatContext *is, *os;
1999 AVCodecContext *codec, *icodec;
2000 AVOutputStream *ost, **ost_table = NULL;
2001 AVInputStream *ist, **ist_table = NULL;
2002 AVInputFile *file_table;
2003 char error[1024];
2004 int key;
2005 int want_sdp = 1;
2006 uint8_t no_packet[MAX_FILES]={0};
2007 int no_packet_count=0;
2008
2009 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
2010 if (!file_table)
2011 goto fail;
2012
2013 /* input stream init */
2014 j = 0;
2015 for(i=0;i<nb_input_files;i++) {
2016 is = input_files[i];
2017 file_table[i].ist_index = j;
2018 file_table[i].nb_streams = is->nb_streams;
2019 j += is->nb_streams;
2020 }
2021 nb_istreams = j;
2022
2023 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2024 if (!ist_table)
2025 goto fail;
2026
2027 for(i=0;i<nb_istreams;i++) {
2028 ist = av_mallocz(sizeof(AVInputStream));
2029 if (!ist)
2030 goto fail;
2031 ist_table[i] = ist;
2032 }
2033 j = 0;
2034 for(i=0;i<nb_input_files;i++) {
2035 is = input_files[i];
2036 for(k=0;k<is->nb_streams;k++) {
2037 ist = ist_table[j++];
2038 ist->st = is->streams[k];
2039 ist->file_index = i;
2040 ist->index = k;
2041 ist->discard = 1; /* the stream is discarded by default
2042 (changed later) */
2043
2044 if (rate_emu) {
2045 ist->start = av_gettime();
2046 }
2047 }
2048 }
2049
2050 /* output stream init */
2051 nb_ostreams = 0;
2052 for(i=0;i<nb_output_files;i++) {
2053 os = output_files[i];
2054 if (!os->nb_streams) {
2055 dump_format(output_files[i], i, output_files[i]->filename, 1);
2056 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2057 av_exit(1);
2058 }
2059 nb_ostreams += os->nb_streams;
2060 }
2061 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2062 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2063 av_exit(1);
2064 }
2065
2066 /* Sanity check the mapping args -- do the input files & streams exist? */
2067 for(i=0;i<nb_stream_maps;i++) {
2068 int fi = stream_maps[i].file_index;
2069 int si = stream_maps[i].stream_index;
2070
2071 if (fi < 0 || fi > nb_input_files - 1 ||
2072 si < 0 || si > file_table[fi].nb_streams - 1) {
2073 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2074 av_exit(1);
2075 }
2076 fi = stream_maps[i].sync_file_index;
2077 si = stream_maps[i].sync_stream_index;
2078 if (fi < 0 || fi > nb_input_files - 1 ||
2079 si < 0 || si > file_table[fi].nb_streams - 1) {
2080 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2081 av_exit(1);
2082 }
2083 }
2084
2085 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2086 if (!ost_table)
2087 goto fail;
2088 for(i=0;i<nb_ostreams;i++) {
2089 ost = av_mallocz(sizeof(AVOutputStream));
2090 if (!ost)
2091 goto fail;
2092 ost_table[i] = ost;
2093 }
2094
2095 n = 0;
2096 for(k=0;k<nb_output_files;k++) {
2097 os = output_files[k];
2098 for(i=0;i<os->nb_streams;i++,n++) {
2099 int found;
2100 ost = ost_table[n];
2101 ost->file_index = k;
2102 ost->index = i;
2103 ost->st = os->streams[i];
2104 if (nb_stream_maps > 0) {
2105 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2106 stream_maps[n].stream_index;
2107
2108 /* Sanity check that the stream types match */
2109 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2110 int i= ost->file_index;
2111 dump_format(output_files[i], i, output_files[i]->filename, 1);
2112 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2113 stream_maps[n].file_index, stream_maps[n].stream_index,
2114 ost->file_index, ost->index);
2115 av_exit(1);
2116 }
2117
2118 } else {
2119 int best_nb_frames=-1;
2120 /* get corresponding input stream index : we select the first one with the right type */
2121 found = 0;
2122 for(j=0;j<nb_istreams;j++) {
2123 int skip=0;
2124 ist = ist_table[j];
2125 if(opt_programid){
2126 int pi,si;
2127 AVFormatContext *f= input_files[ ist->file_index ];
2128 skip=1;
2129 for(pi=0; pi<f->nb_programs; pi++){
2130 AVProgram *p= f->programs[pi];
2131 if(p->id == opt_programid)
2132 for(si=0; si<p->nb_stream_indexes; si++){
2133 if(f->streams[ p->stream_index[si] ] == ist->st)
2134 skip=0;
2135 }
2136 }
2137 }
2138 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2139 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2140 if(best_nb_frames < ist->st->codec_info_nb_frames){
2141 best_nb_frames= ist->st->codec_info_nb_frames;
2142 ost->source_index = j;
2143 found = 1;
2144 }
2145 }
2146 }
2147
2148 if (!found) {
2149 if(! opt_programid) {
2150 /* try again and reuse existing stream */
2151 for(j=0;j<nb_istreams;j++) {
2152 ist = ist_table[j];
2153 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2154 && ist->st->discard != AVDISCARD_ALL) {
2155 ost->source_index = j;
2156 found = 1;
2157 }
2158 }
2159 }
2160 if (!found) {
2161 int i= ost->file_index;
2162 dump_format(output_files[i], i, output_files[i]->filename, 1);
2163 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2164 ost->file_index, ost->index);
2165 av_exit(1);
2166 }
2167 }
2168 }
2169 ist = ist_table[ost->source_index];
2170 ist->discard = 0;
2171 ost->sync_ist = (nb_stream_maps > 0) ?
2172 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2173 stream_maps[n].sync_stream_index] : ist;
2174 }
2175 }
2176
2177 /* for each output stream, we compute the right encoding parameters */
2178 for(i=0;i<nb_ostreams;i++) {
2179 AVMetadataTag *t = NULL;
2180 ost = ost_table[i];
2181 os = output_files[ost->file_index];
2182 ist = ist_table[ost->source_index];
2183
2184 codec = ost->st->codec;
2185 icodec = ist->st->codec;
2186
2187 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2188 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2189 }
2190
2191 ost->st->disposition = ist->st->disposition;
2192 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2193 codec->chroma_sample_location = icodec->chroma_sample_location;
2194
2195 if (ost->st->stream_copy) {
2196 /* if stream_copy is selected, no need to decode or encode */
2197 codec->codec_id = icodec->codec_id;
2198 codec->codec_type = icodec->codec_type;
2199
2200 if(!codec->codec_tag){
2201 if( !os->oformat->codec_tag
2202 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2203 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2204 codec->codec_tag = icodec->codec_tag;
2205 }
2206
2207 codec->bit_rate = icodec->bit_rate;
2208 codec->extradata= icodec->extradata;
2209 codec->extradata_size= icodec->extradata_size;
2210 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2211 codec->time_base = icodec->time_base;
2212 codec->time_base.num *= icodec->ticks_per_frame;
2213 }else
2214 codec->time_base = ist->st->time_base;
2215 switch(codec->codec_type) {
2216 case AVMEDIA_TYPE_AUDIO:
2217 if(audio_volume != 256) {
2218 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2219 av_exit(1);
2220 }
2221 codec->channel_layout = icodec->channel_layout;
2222 codec->sample_rate = icodec->sample_rate;
2223 codec->channels = icodec->channels;
2224 codec->frame_size = icodec->frame_size;
2225 codec->block_align= icodec->block_align;
2226 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2227 codec->block_align= 0;
2228 if(codec->codec_id == CODEC_ID_AC3)
2229 codec->block_align= 0;
2230 break;
2231 case AVMEDIA_TYPE_VIDEO:
2232 codec->pix_fmt = icodec->pix_fmt;
2233 codec->width = icodec->width;
2234 codec->height = icodec->height;
2235 codec->has_b_frames = icodec->has_b_frames;
2236 break;
2237 case AVMEDIA_TYPE_SUBTITLE:
2238 codec->width = icodec->width;
2239 codec->height = icodec->height;
2240 break;
2241 default:
2242 abort();
2243 }
2244 } else {
2245 switch(codec->codec_type) {
2246 case AVMEDIA_TYPE_AUDIO:
2247 ost->fifo= av_fifo_alloc(1024);
2248 if(!ost->fifo)
2249 goto fail;
2250 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2251 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2252 icodec->request_channels = codec->channels;
2253 ist->decoding_needed = 1;
2254 ost->encoding_needed = 1;
2255 break;
2256 case AVMEDIA_TYPE_VIDEO:
2257 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2258 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2259 av_exit(1);
2260 }
2261 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2262 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
2263 ost->video_resample = ((codec->width != icodec->width -
2264 (frame_leftBand + frame_rightBand) +
2265 (frame_padleft + frame_padright)) ||
2266 (codec->height != icodec->height -
2267 (frame_topBand + frame_bottomBand) +
2268 (frame_padtop + frame_padbottom)) ||
2269 (codec->pix_fmt != icodec->pix_fmt));
2270 if (ost->video_crop) {
2271 ost->topBand = ost->original_topBand = frame_topBand;
2272 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2273 ost->leftBand = ost->original_leftBand = frame_leftBand;
2274 ost->rightBand = ost->original_rightBand = frame_rightBand;
2275 }
2276 if (ost->video_pad) {
2277 ost->padtop = frame_padtop;
2278 ost->padleft = frame_padleft;
2279 ost->padbottom = frame_padbottom;
2280 ost->padright = frame_padright;
2281 if (!ost->video_resample) {
2282 avcodec_get_frame_defaults(&ost->pict_tmp);
2283 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2284 codec->width, codec->height))
2285 goto fail;
2286 }
2287 }
2288 if (ost->video_resample) {
2289 avcodec_get_frame_defaults(&ost->pict_tmp);
2290 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2291 codec->width, codec->height)) {
2292 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2293 av_exit(1);
2294 }
2295 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2296 ost->img_resample_ctx = sws_getContext(
2297 icodec->width - (frame_leftBand + frame_rightBand),
2298 icodec->height - (frame_topBand + frame_bottomBand),
2299 icodec->pix_fmt,
2300 codec->width - (frame_padleft + frame_padright),
2301 codec->height - (frame_padtop + frame_padbottom),
2302 codec->pix_fmt,
2303 sws_flags, NULL, NULL, NULL);
2304 if (ost->img_resample_ctx == NULL) {
2305 fprintf(stderr, "Cannot get resampling context\n");
2306 av_exit(1);
2307 }
2308
2309 #if !CONFIG_AVFILTER
2310 ost->original_height = icodec->height;
2311 ost->original_width = icodec->width;
2312 #endif
2313 codec->bits_per_raw_sample= 0;
2314 }
2315 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2316 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2317 ost->resample_pix_fmt= icodec->pix_fmt;
2318 ost->encoding_needed = 1;
2319 ist->decoding_needed = 1;
2320
2321 #if CONFIG_AVFILTER
2322 if (configure_filters(ist, ost)) {
2323 fprintf(stderr, "Error opening filters!\n");
2324 exit(1);
2325 }
2326 #endif
2327 break;
2328 case AVMEDIA_TYPE_SUBTITLE:
2329 ost->encoding_needed = 1;
2330 ist->decoding_needed = 1;
2331 break;
2332 default:
2333 abort();
2334 break;
2335 }
2336 /* two pass mode */
2337 if (ost->encoding_needed &&
2338 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2339 char logfilename[1024];
2340 FILE *f;
2341
2342 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2343 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2344 i);
2345 if (codec->flags & CODEC_FLAG_PASS1) {
2346 f = fopen(logfilename, "w");
2347 if (!f) {
2348 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2349 av_exit(1);
2350 }
2351 ost->logfile = f;
2352 } else {
2353 char *logbuffer;
2354 size_t logbuffer_size;
2355 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2356 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2357 av_exit(1);
2358 }
2359 codec->stats_in = logbuffer;
2360 }
2361 }
2362 }
2363 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2364 int size= codec->width * codec->height;
2365 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2366 }
2367 }
2368
2369 if (!bit_buffer)
2370 bit_buffer = av_malloc(bit_buffer_size);
2371 if (!bit_buffer) {
2372 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2373 bit_buffer_size);
2374 ret = AVERROR(ENOMEM);
2375 goto fail;
2376 }
2377
2378 /* open each encoder */
2379 for(i=0;i<nb_ostreams;i++) {
2380 ost = ost_table[i];
2381 if (ost->encoding_needed) {
2382 AVCodec *codec = output_codecs[i];
2383 if (!codec)
2384 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2385 if (!codec) {
2386 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2387 ost->st->codec->codec_id, ost->file_index, ost->index);
2388 ret = AVERROR(EINVAL);
2389 goto dump_format;
2390 }
2391 if (avcodec_open(ost->st->codec, codec) < 0) {
2392 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2393 ost->file_index, ost->index);
2394 ret = AVERROR(EINVAL);
2395 goto dump_format;
2396 }
2397 extra_size += ost->st->codec->extradata_size;
2398 }
2399 }
2400
2401 /* open each decoder */
2402 for(i=0;i<nb_istreams;i++) {
2403 ist = ist_table[i];
2404 if (ist->decoding_needed) {
2405 AVCodec *codec = input_codecs[i];
2406 if (!codec)
2407 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2408 if (!codec) {
2409 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2410 ist->st->codec->codec_id, ist->file_index, ist->index);
2411 ret = AVERROR(EINVAL);
2412 goto dump_format;
2413 }
2414 if (avcodec_open(ist->st->codec, codec) < 0) {
2415 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2416 ist->file_index, ist->index);
2417 ret = AVERROR(EINVAL);
2418 goto dump_format;
2419 }
2420 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2421 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2422 }
2423 }
2424
2425 /* init pts */
2426 for(i=0;i<nb_istreams;i++) {
2427 AVStream *st;
2428 ist = ist_table[i];
2429 st= ist->st;
2430 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2431 ist->next_pts = AV_NOPTS_VALUE;
2432 ist->is_start = 1;
2433 }
2434
2435 /* set meta data information from input file if required */
2436 for (i=0;i<nb_meta_data_maps;i++) {
2437 AVFormatContext *out_file;
2438 AVFormatContext *in_file;
2439 AVMetadataTag *mtag;
2440
2441 int out_file_index = meta_data_maps[i].out_file;
2442 int in_file_index = meta_data_maps[i].in_file;
2443 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2444 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2445 out_file_index, out_file_index, in_file_index);
2446 ret = AVERROR(EINVAL);
2447 goto dump_format;
2448 }
2449 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2450 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2451 in_file_index, out_file_index, in_file_index);
2452 ret = AVERROR(EINVAL);
2453 goto dump_format;
2454 }
2455
2456 out_file = output_files[out_file_index];
2457 in_file = input_files[in_file_index];
2458
2459
2460 mtag=NULL;
2461 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2462 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2463 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2464 in_file->iformat->metadata_conv);
2465 }
2466
2467 /* copy chapters from the first input file that has them*/
2468 for (i = 0; i < nb_input_files; i++) {
2469 if (!input_files[i]->nb_chapters)
2470 continue;
2471
2472 for (j = 0; j < nb_output_files; j++)
2473 if ((ret = copy_chapters(i, j)) < 0)
2474 goto dump_format;
2475 }
2476
2477 /* open files and write file headers */
2478 for(i=0;i<nb_output_files;i++) {
2479 os = output_files[i];
2480 if (av_write_header(os) < 0) {
2481 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2482 ret = AVERROR(EINVAL);
2483 goto dump_format;
2484 }
2485 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2486 want_sdp = 0;
2487 }
2488 }
2489
2490 dump_format:
2491 /* dump the file output parameters - cannot be done before in case
2492 of stream copy */
2493 for(i=0;i<nb_output_files;i++) {
2494 dump_format(output_files[i], i, output_files[i]->filename, 1);
2495 }
2496
2497 /* dump the stream mapping */
2498 if (verbose >= 0) {
2499 fprintf(stderr, "Stream mapping:\n");
2500 for(i=0;i<nb_ostreams;i++) {
2501 ost = ost_table[i];
2502 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2503 ist_table[ost->source_index]->file_index,
2504 ist_table[ost->source_index]->index,
2505 ost->file_index,
2506 ost->index);
2507 if (ost->sync_ist != ist_table[ost->source_index])
2508 fprintf(stderr, " [sync #%d.%d]",
2509 ost->sync_ist->file_index,
2510 ost->sync_ist->index);
2511 fprintf(stderr, "\n");
2512 }
2513 }
2514
2515 if (ret) {
2516 fprintf(stderr, "%s\n", error);
2517 goto fail;
2518 }
2519
2520 if (want_sdp) {
2521 print_sdp(output_files, nb_output_files);
2522 }
2523
2524 if (!using_stdin && verbose >= 0) {
2525 fprintf(stderr, "Press [q] to stop encoding\n");
2526 url_set_interrupt_cb(decode_interrupt_cb);
2527 }
2528 term_init();
2529
2530 timer_start = av_gettime();
2531
2532 for(; received_sigterm == 0;) {
2533 int file_index, ist_index;
2534 AVPacket pkt;
2535 double ipts_min;
2536 double opts_min;
2537
2538 redo:
2539 ipts_min= 1e100;
2540 opts_min= 1e100;
2541 /* if 'q' pressed, exits */
2542 if (!using_stdin) {
2543 if (q_pressed)
2544 break;
2545 /* read_key() returns 0 on EOF */
2546 key = read_key();
2547 if (key == 'q')
2548 break;
2549 }
2550
2551 /* select the stream that we must read now by looking at the
2552 smallest output pts */
2553 file_index = -1;
2554 for(i=0;i<nb_ostreams;i++) {
2555 double ipts, opts;
2556 ost = ost_table[i];
2557 os = output_files[ost->file_index];
2558 ist = ist_table[ost->source_index];
2559 if(ist->is_past_recording_time || no_packet[ist->file_index])
2560 continue;
2561 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2562 ipts = (double)ist->pts;
2563 if (!file_table[ist->file_index].eof_reached){
2564 if(ipts < ipts_min) {
2565 ipts_min = ipts;
2566 if(input_sync ) file_index = ist->file_index;
2567 }
2568 if(opts < opts_min) {
2569 opts_min = opts;
2570 if(!input_sync) file_index = ist->file_index;
2571 }
2572 }
2573 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2574 file_index= -1;
2575 break;
2576 }
2577 }
2578 /* if none, if is finished */
2579 if (file_index < 0) {
2580 if(no_packet_count){
2581 no_packet_count=0;
2582 memset(no_packet, 0, sizeof(no_packet));
2583 usleep(10000);
2584 continue;
2585 }
2586 break;
2587 }
2588
2589 /* finish if limit size exhausted */
2590 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2591 break;
2592
2593 /* read a frame from it and output it in the fifo */
2594 is = input_files[file_index];
2595 ret= av_read_frame(is, &pkt);
2596 if(ret == AVERROR(EAGAIN)){
2597 no_packet[file_index]=1;
2598 no_packet_count++;
2599 continue;
2600 }
2601 if (ret < 0) {
2602 file_table[file_index].eof_reached = 1;
2603 if (opt_shortest)
2604 break;
2605 else
2606 continue;
2607 }
2608
2609 no_packet_count=0;
2610 memset(no_packet, 0, sizeof(no_packet));
2611
2612 if (do_pkt_dump) {
2613 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2614 }
2615 /* the following test is needed in case new streams appear
2616 dynamically in stream : we ignore them */
2617 if (pkt.stream_index >= file_table[file_index].nb_streams)
2618 goto discard_packet;
2619 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2620 ist = ist_table[ist_index];
2621 if (ist->discard)
2622 goto discard_packet;
2623
2624 if (pkt.dts != AV_NOPTS_VALUE)
2625 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2626 if (pkt.pts != AV_NOPTS_VALUE)
2627 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2628
2629 if(input_files_ts_scale[file_index][pkt.stream_index]){
2630 if(pkt.pts != AV_NOPTS_VALUE)
2631 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2632 if(pkt.dts != AV_NOPTS_VALUE)
2633 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2634 }
2635
2636 // 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);
2637 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2638 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2639 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2640 int64_t delta= pkt_dts - ist->next_pts;
2641 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2642 input_files_ts_offset[ist->file_index]-= delta;
2643 if (verbose > 2)
2644 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2645 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2646 if(pkt.pts != AV_NOPTS_VALUE)
2647 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2648 }
2649 }
2650
2651 /* finish if recording time exhausted */
2652 if (recording_time != INT64_MAX &&
2653 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2654 ist->is_past_recording_time = 1;
2655 goto discard_packet;
2656 }
2657
2658 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2659 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2660
2661 if (verbose >= 0)
2662 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2663 ist->file_index, ist->index);
2664 if (exit_on_error)
2665 av_exit(1);
2666 av_free_packet(&pkt);
2667 goto redo;
2668 }
2669
2670 discard_packet:
2671 av_free_packet(&pkt);
2672
2673 /* dump report by using the output first video and audio streams */
2674 print_report(output_files, ost_table, nb_ostreams, 0);
2675 }
2676
2677 /* at the end of stream, we must flush the decoder buffers */
2678 for(i=0;i<nb_istreams;i++) {
2679 ist = ist_table[i];
2680 if (ist->decoding_needed) {
2681 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2682 }
2683 }
2684
2685 term_exit();
2686
2687 /* write the trailer if needed and close file */
2688 for(i=0;i<nb_output_files;i++) {
2689 os = output_files[i];
2690 av_write_trailer(os);
2691 }
2692
2693 /* dump report by using the first video and audio streams */
2694 print_report(output_files, ost_table, nb_ostreams, 1);
2695
2696 /* close each encoder */
2697 for(i=0;i<nb_ostreams;i++) {
2698 ost = ost_table[i];
2699 if (ost->encoding_needed) {
2700 av_freep(&ost->st->codec->stats_in);
2701 avcodec_close(ost->st->codec);
2702 }
2703 }
2704
2705 /* close each decoder */
2706 for(i=0;i<nb_istreams;i++) {
2707 ist = ist_table[i];
2708 if (ist->decoding_needed) {
2709 avcodec_close(ist->st->codec);
2710 }
2711 }
2712 #if CONFIG_AVFILTER
2713 if (filt_graph_all) {
2714 avfilter_graph_destroy(filt_graph_all);
2715 av_freep(&filt_graph_all);
2716 }
2717 #endif
2718
2719 /* finished ! */
2720 ret = 0;
2721
2722 fail:
2723 av_freep(&bit_buffer);
2724 av_free(file_table);
2725
2726 if (ist_table) {
2727 for(i=0;i<nb_istreams;i++) {
2728 ist = ist_table[i];
2729 av_free(ist);
2730 }
2731 av_free(ist_table);
2732 }
2733 if (ost_table) {
2734 for(i=0;i<nb_ostreams;i++) {
2735 ost = ost_table[i];
2736 if (ost) {
2737 if (ost->logfile) {
2738 fclose(ost->logfile);
2739 ost->logfile = NULL;
2740 }
2741 av_fifo_free(ost->fifo); /* works even if fifo is not
2742 initialized but set to zero */
2743 av_free(ost->pict_tmp.data[0]);
2744 if (ost->video_resample)
2745 sws_freeContext(ost->img_resample_ctx);
2746 if (ost->resample)
2747 audio_resample_close(ost->resample);
2748 if (ost->reformat_ctx)
2749 av_audio_convert_free(ost->reformat_ctx);
2750 av_free(ost);
2751 }
2752 }
2753 av_free(ost_table);
2754 }
2755 return ret;
2756 }
2757
2758 static void opt_format(const char *arg)
2759 {
2760 /* compatibility stuff for pgmyuv */
2761 if (!strcmp(arg, "pgmyuv")) {
2762 pgmyuv_compatibility_hack=1;
2763 // opt_image_format(arg);
2764 arg = "image2";
2765 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2766 }
2767
2768 last_asked_format = arg;
2769 }
2770
2771 static void opt_video_rc_override_string(const char *arg)
2772 {
2773 video_rc_override_string = arg;
2774 }
2775
2776 static int opt_me_threshold(const char *opt, const char *arg)
2777 {
2778 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2779 return 0;
2780 }
2781
2782 static int opt_verbose(const char *opt, const char *arg)
2783 {
2784 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2785 return 0;
2786 }
2787
2788 static int opt_frame_rate(const char *opt, const char *arg)
2789 {
2790 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2791 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2792 av_exit(1);
2793 }
2794 return 0;
2795 }
2796
2797 static int opt_bitrate(const char *opt, const char *arg)
2798 {
2799 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2800
2801 opt_default(opt, arg);
2802
2803 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2804 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2805
2806 return 0;
2807 }
2808
2809 static void opt_frame_crop_top(const char *arg)
2810 {
2811 frame_topBand = atoi(arg);
2812 if (frame_topBand < 0) {
2813 fprintf(stderr, "Incorrect top crop size\n");
2814 av_exit(1);
2815 }
2816 if ((frame_topBand) >= frame_height){
2817 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2818 av_exit(1);
2819 }
2820 frame_height -= frame_topBand;
2821 }
2822
2823 static void opt_frame_crop_bottom(const char *arg)
2824 {
2825 frame_bottomBand = atoi(arg);
2826 if (frame_bottomBand < 0) {
2827 fprintf(stderr, "Incorrect bottom crop size\n");
2828 av_exit(1);
2829 }
2830 if ((frame_bottomBand) >= frame_height){
2831 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2832 av_exit(1);
2833 }
2834 frame_height -= frame_bottomBand;
2835 }
2836
2837 static void opt_frame_crop_left(const char *arg)
2838 {
2839 frame_leftBand = atoi(arg);
2840 if (frame_leftBand < 0) {
2841 fprintf(stderr, "Incorrect left crop size\n");
2842 av_exit(1);
2843 }
2844 if ((frame_leftBand) >= frame_width){
2845 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2846 av_exit(1);
2847 }
2848 frame_width -= frame_leftBand;
2849 }
2850
2851 static void opt_frame_crop_right(const char *arg)
2852 {
2853 frame_rightBand = atoi(arg);
2854 if (frame_rightBand < 0) {
2855 fprintf(stderr, "Incorrect right crop size\n");
2856 av_exit(1);
2857 }
2858 if ((frame_rightBand) >= frame_width){
2859 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2860 av_exit(1);
2861 }
2862 frame_width -= frame_rightBand;
2863 }
2864
2865 static void opt_frame_size(const char *arg)
2866 {
2867 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2868 fprintf(stderr, "Incorrect frame size\n");
2869 av_exit(1);
2870 }
2871 }
2872
2873 static void opt_pad_color(const char *arg) {
2874 /* Input is expected to be six hex digits similar to
2875 how colors are expressed in html tags (but without the #) */
2876 int rgb = strtol(arg, NULL, 16);
2877 int r,g,b;
2878
2879 r = (rgb >> 16);
2880 g = ((rgb >> 8) & 255);
2881 b = (rgb & 255);
2882
2883 padcolor[0] = RGB_TO_Y(r,g,b);
2884 padcolor[1] = RGB_TO_U(r,g,b,0);
2885 padcolor[2] = RGB_TO_V(r,g,b,0);
2886 }
2887
2888 static void opt_frame_pad_top(const char *arg)
2889 {
2890 frame_padtop = atoi(arg);
2891 if (frame_padtop < 0) {
2892 fprintf(stderr, "Incorrect top pad size\n");
2893 av_exit(1);
2894 }
2895 }
2896
2897 static void opt_frame_pad_bottom(const char *arg)
2898 {
2899 frame_padbottom = atoi(arg);
2900 if (frame_padbottom < 0) {
2901 fprintf(stderr, "Incorrect bottom pad size\n");
2902 av_exit(1);
2903 }
2904 }
2905
2906
2907 static void opt_frame_pad_left(const char *arg)
2908 {
2909 frame_padleft = atoi(arg);
2910 if (frame_padleft < 0) {
2911 fprintf(stderr, "Incorrect left pad size\n");
2912 av_exit(1);
2913 }
2914 }
2915
2916
2917 static void opt_frame_pad_right(const char *arg)
2918 {
2919 frame_padright = atoi(arg);
2920 if (frame_padright < 0) {
2921 fprintf(stderr, "Incorrect right pad size\n");
2922 av_exit(1);
2923 }
2924 }
2925
2926 static void opt_frame_pix_fmt(const char *arg)
2927 {
2928 if (strcmp(arg, "list")) {
2929 frame_pix_fmt = av_get_pix_fmt(arg);
2930 if (frame_pix_fmt == PIX_FMT_NONE) {
2931 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2932 av_exit(1);
2933 }
2934 } else {
2935 show_pix_fmts();
2936 av_exit(0);
2937 }
2938 }
2939
2940 static void opt_frame_aspect_ratio(const char *arg)
2941 {
2942 int x = 0, y = 0;
2943 double ar = 0;
2944 const char *p;
2945 char *end;
2946
2947 p = strchr(arg, ':');
2948 if (p) {
2949 x = strtol(arg, &end, 10);
2950 if (end == p)
2951 y = strtol(end+1, &end, 10);
2952 if (x > 0 && y > 0)
2953 ar = (double)x / (double)y;
2954 } else
2955 ar = strtod(arg, NULL);
2956
2957 if (!ar) {
2958 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2959 av_exit(1);
2960 }
2961 frame_aspect_ratio = ar;
2962 }
2963
2964 static int opt_metadata(const char *opt, const char *arg)
2965 {
2966 char *mid= strchr(arg, '=');
2967
2968 if(!mid){
2969 fprintf(stderr, "Missing =\n");
2970 av_exit(1);
2971 }
2972 *mid++= 0;
2973
2974 metadata_count++;
2975 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2976 metadata[metadata_count-1].key = av_strdup(arg);
2977 metadata[metadata_count-1].value= av_strdup(mid);
2978
2979 return 0;
2980 }
2981
2982 static void opt_qscale(const char *arg)
2983 {
2984 video_qscale = atof(arg);
2985 if (video_qscale <= 0 ||
2986 video_qscale > 255) {
2987 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2988 av_exit(1);
2989 }
2990 }
2991
2992 static void opt_top_field_first(const char *arg)
2993 {
2994 top_field_first= atoi(arg);
2995 }
2996
2997 static int opt_thread_count(const char *opt, const char *arg)
2998 {
2999 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3000 #if !HAVE_THREADS
3001 if (verbose >= 0)
3002 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3003 #endif
3004 return 0;
3005 }
3006
3007 static void opt_audio_sample_fmt(const char *arg)
3008 {
3009 if (strcmp(arg, "list"))
3010 audio_sample_fmt = avcodec_get_sample_fmt(arg);
3011 else {
3012 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
3013 av_exit(0);
3014 }
3015 }
3016
3017 static int opt_audio_rate(const char *opt, const char *arg)
3018 {
3019 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3020 return 0;
3021 }
3022
3023 static int opt_audio_channels(const char *opt, const char *arg)
3024 {
3025 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3026 return 0;
3027 }
3028
3029 static void opt_video_channel(const char *arg)
3030 {
3031 video_channel = strtol(arg, NULL, 0);
3032 }
3033
3034 static void opt_video_standard(const char *arg)
3035 {
3036 video_standard = av_strdup(arg);
3037 }
3038
3039 static void opt_codec(int *pstream_copy, char **pcodec_name,
3040 int codec_type, const char *arg)
3041 {
3042 av_freep(pcodec_name);
3043 if (!strcmp(arg, "copy")) {
3044 *pstream_copy = 1;
3045 } else {
3046 *pcodec_name = av_strdup(arg);
3047 }
3048 }
3049
3050 static void opt_audio_codec(const char *arg)
3051 {
3052 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3053 }
3054
3055 static void opt_audio_tag(const char *arg)
3056 {
3057 char *tail;
3058 audio_codec_tag= strtol(arg, &tail, 0);
3059
3060 if(!tail || *tail)
3061 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3062 }
3063
3064 static void opt_video_tag(const char *arg)
3065 {
3066 char *tail;
3067 video_codec_tag= strtol(arg, &tail, 0);
3068
3069 if(!tail || *tail)
3070 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3071 }
3072
3073 static void opt_video_codec(const char *arg)
3074 {
3075 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3076 }
3077
3078 static void opt_subtitle_codec(const char *arg)
3079 {
3080 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3081 }
3082
3083 static void opt_subtitle_tag(const char *arg)
3084 {
3085 char *tail;
3086 subtitle_codec_tag= strtol(arg, &tail, 0);
3087
3088 if(!tail || *tail)
3089 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3090 }
3091
3092 static void opt_map(const char *arg)
3093 {
3094 AVStreamMap *m;
3095 char *p;
3096
3097 m = &stream_maps[nb_stream_maps++];
3098
3099 m->file_index = strtol(arg, &p, 0);
3100 if (*p)
3101 p++;
3102
3103 m->stream_index = strtol(p, &p, 0);
3104 if (*p) {
3105 p++;
3106 m->sync_file_index = strtol(p, &p, 0);
3107 if (*p)
3108 p++;
3109 m->sync_stream_index = strtol(p, &p, 0);
3110 } else {
3111 m->sync_file_index = m->file_index;
3112 m->sync_stream_index = m->stream_index;
3113 }
3114 }
3115
3116 static void opt_map_meta_data(const char *arg)
3117 {
3118 AVMetaDataMap *m;
3119 char *p;
3120
3121 m = &meta_data_maps[nb_meta_data_maps++];
3122
3123 m->out_file = strtol(arg, &p, 0);
3124 if (*p)
3125 p++;
3126
3127 m->in_file = strtol(p, &p, 0);
3128 }
3129
3130 static void opt_input_ts_scale(const char *arg)
3131 {
3132 unsigned int stream;
3133 double scale;
3134 char *p;
3135
3136 stream = strtol(arg, &p, 0);
3137 if (*p)
3138 p++;
3139 scale= strtod(p, &p);
3140
3141 if(stream >= MAX_STREAMS)
3142 av_exit(1);
3143
3144 input_files_ts_scale[nb_input_files][stream]= scale;
3145 }
3146
3147 static int opt_recording_time(const char *opt, const char *arg)
3148 {
3149 recording_time = parse_time_or_die(opt, arg, 1);
3150 return 0;
3151 }
3152
3153 static int opt_start_time(const char *opt, const char *arg)
3154 {
3155 start_time = parse_time_or_die(opt, arg, 1);
3156 return 0;
3157 }
3158
3159 static int opt_rec_timestamp(const char *opt, const char *arg)
3160 {
3161 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3162 return 0;
3163 }
3164
3165 static int opt_input_ts_offset(const char *opt, const char *arg)
3166 {
3167 input_ts_offset = parse_time_or_die(opt, arg, 1);
3168 return 0;
3169 }
3170
3171 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
3172 {
3173 const char *codec_string = encoder ? "encoder" : "decoder";
3174 AVCodec *codec;
3175
3176 if(!name)
3177 return CODEC_ID_NONE;
3178 codec = encoder ?
3179 avcodec_find_encoder_by_name(name) :
3180 avcodec_find_decoder_by_name(name);
3181 if(!codec) {
3182 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3183 av_exit(1);
3184 }
3185 if(codec->type != type) {
3186 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3187 av_exit(1);
3188 }
3189 return codec->id;
3190 }
3191
3192 static void opt_input_file(const char *filename)
3193 {
3194 AVFormatContext *ic;
3195 AVFormatParameters params, *ap = &params;
3196 AVInputFormat *file_iformat = NULL;
3197 int err, i, ret, rfps, rfps_base;
3198 int64_t timestamp;
3199
3200 if (last_asked_format) {
3201 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3202 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3203 av_exit(1);
3204 }
3205 last_asked_format = NULL;
3206 }
3207
3208 if (!strcmp(filename, "-"))
3209 filename = "pipe:";
3210
3211 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3212 !strcmp(filename, "/dev/stdin");
3213
3214 /* get default parameters from command line */
3215 ic = avformat_alloc_context();
3216 if (!ic) {
3217 print_error(filename, AVERROR(ENOMEM));
3218 av_exit(1);
3219 }
3220
3221 memset(ap, 0, sizeof(*ap));
3222 ap->prealloced_context = 1;
3223 ap->sample_rate = audio_sample_rate;
3224 ap->channels = audio_channels;
3225 ap->time_base.den = frame_rate.num;
3226 ap->time_base.num = frame_rate.den;
3227 ap->width = frame_width + frame_padleft + frame_padright;
3228 ap->height = frame_height + frame_padtop + frame_padbottom;
3229 ap->pix_fmt = frame_pix_fmt;
3230 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3231 ap->channel = video_channel;
3232 ap->standard = video_standard;
3233
3234 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
3235
3236 ic->video_codec_id = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
3237 ic->audio_codec_id = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
3238 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
3239 ic->flags |= AVFMT_FLAG_NONBLOCK;
3240
3241 if(pgmyuv_compatibility_hack)
3242 ic->video_codec_id= CODEC_ID_PGMYUV;
3243
3244 /* open the input file with generic libav function */
3245 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3246 if (err < 0) {
3247 print_error(filename, err);
3248 av_exit(1);
3249 }
3250 if(opt_programid) {
3251 int i, j;
3252 int found=0;
3253 for(i=0; i<ic->nb_streams; i++){
3254 ic->streams[i]->discard= AVDISCARD_ALL;
3255 }
3256 for(i=0; i<ic->nb_programs; i++){
3257 AVProgram *p= ic->programs[i];
3258 if(p->id != opt_programid){
3259 p->discard = AVDISCARD_ALL;
3260 }else{
3261 found=1;
3262 for(j=0; j<p->nb_stream_indexes; j++){
3263 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3264 }
3265 }
3266 }
3267 if(!found){
3268 fprintf(stderr, "Specified program id not found\n");
3269 av_exit(1);
3270 }
3271 opt_programid=0;
3272 }
3273
3274 ic->loop_input = loop_input;
3275
3276 /* If not enough info to get the stream parameters, we decode the
3277 first frames to get it. (used in mpeg case for example) */
3278 ret = av_find_stream_info(ic);
3279 if (ret < 0 && verbose >= 0) {
3280 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3281 av_exit(1);
3282 }
3283
3284 timestamp = start_time;
3285 /* add the stream start time */
3286 if (ic->start_time != AV_NOPTS_VALUE)
3287 timestamp += ic->start_time;
3288
3289 /* if seeking requested, we execute it */
3290 if (start_time != 0) {
3291 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3292 if (ret < 0) {
3293 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3294 filename, (double)timestamp / AV_TIME_BASE);
3295 }
3296 /* reset seek info */
3297 start_time = 0;
3298 }
3299
3300 /* update the current parameters so that they match the one of the input stream */
3301 for(i=0;i<ic->nb_streams;i++) {
3302 AVStream *st = ic->streams[i];
3303 AVCodecContext *enc = st->codec;
3304 avcodec_thread_init(enc, thread_count);
3305 switch(enc->codec_type) {
3306 case AVMEDIA_TYPE_AUDIO:
3307 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3308 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3309 channel_layout = enc->channel_layout;
3310 audio_channels = enc->channels;
3311 audio_sample_rate = enc->sample_rate;
3312 audio_sample_fmt = enc->sample_fmt;
3313 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
3314 if(audio_disable)
3315 st->discard= AVDISCARD_ALL;
3316 break;
3317 case AVMEDIA_TYPE_VIDEO:
3318 set_context_opts(enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
3319 frame_height = enc->height;
3320 frame_width = enc->width;
3321 if(ic->streams[i]->sample_aspect_ratio.num)
3322 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
3323 else
3324 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
3325 frame_aspect_ratio *= (float) enc->width / enc->height;
3326 frame_pix_fmt = enc->pix_fmt;
3327 rfps = ic->streams[i]->r_frame_rate.num;
3328 rfps_base = ic->streams[i]->r_frame_rate.den;
3329 if(enc->lowres) {
3330 enc->flags |= CODEC_FLAG_EMU_EDGE;
3331 frame_height >>= enc->lowres;
3332 frame_width >>= enc->lowres;
3333 }
3334 if(me_threshold)
3335 enc->debug |= FF_DEBUG_MV;
3336
3337 if (enc->time_base.den != rfps*enc->ticks_per_frame || enc->time_base.num != rfps_base) {
3338
3339 if (verbose >= 0)
3340 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3341 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3342
3343 (float)rfps / rfps_base, rfps, rfps_base);
3344 }
3345 /* update the current frame rate to match the stream frame rate */
3346 frame_rate.num = rfps;
3347 frame_rate.den = rfps_base;
3348
3349 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3350 if(video_disable)
3351 st->discard= AVDISCARD_ALL;
3352 else if(video_discard)
3353 st->discard= video_discard;
3354 break;
3355 case AVMEDIA_TYPE_DATA:
3356 break;
3357 case AVMEDIA_TYPE_SUBTITLE:
3358 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3359 if(subtitle_disable)
3360 st->discard = AVDISCARD_ALL;
3361 break;
3362 case AVMEDIA_TYPE_ATTACHMENT:
3363 case AVMEDIA_TYPE_UNKNOWN:
3364 nb_icodecs++;
3365 break;
3366 default:
3367 abort();
3368 }
3369 }
3370
3371 input_files[nb_input_files] = ic;
3372 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3373 /* dump the file content */
3374 if (verbose >= 0)
3375 dump_format(ic, nb_input_files, filename, 0);
3376
3377 nb_input_files++;
3378
3379 video_channel = 0;
3380
3381 av_freep(&video_codec_name);
3382 av_freep(&audio_codec_name);
3383 av_freep(&subtitle_codec_name);
3384 }
3385
3386 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3387 int *has_subtitle_ptr)
3388 {
3389 int has_video, has_audio, has_subtitle, i, j;
3390 AVFormatContext *ic;
3391
3392 has_video = 0;
3393 has_audio = 0;
3394 has_subtitle = 0;
3395 for(j=0;j<nb_input_files;j++) {
3396 ic = input_files[j];
3397 for(i=0;i<ic->nb_streams;i++) {
3398 AVCodecContext *enc = ic->streams[i]->codec;
3399 switch(enc->codec_type) {
3400 case AVMEDIA_TYPE_AUDIO:
3401 has_audio = 1;
3402 break;
3403 case AVMEDIA_TYPE_VIDEO:
3404 has_video = 1;
3405 break;
3406 case AVMEDIA_TYPE_SUBTITLE:
3407 has_subtitle = 1;
3408 break;
3409 case AVMEDIA_TYPE_DATA:
3410 case AVMEDIA_TYPE_ATTACHMENT:
3411 case AVMEDIA_TYPE_UNKNOWN:
3412 break;
3413 default:
3414 abort();
3415 }
3416 }
3417 }
3418 *has_video_ptr = has_video;
3419 *has_audio_ptr = has_audio;
3420 *has_subtitle_ptr = has_subtitle;
3421 }
3422
3423 static void new_video_stream(AVFormatContext *oc)
3424 {
3425 AVStream *st;
3426 AVCodecContext *video_enc;
3427 enum CodecID codec_id;
3428
3429 st = av_new_stream(oc, oc->nb_streams);
3430 if (!st) {
3431 fprintf(stderr, "Could not alloc stream\n");
3432 av_exit(1);
3433 }
3434 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_VIDEO);
3435 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3436 video_bitstream_filters= NULL;
3437
3438 avcodec_thread_init(st->codec, thread_count);
3439
3440 video_enc = st->codec;
3441
3442 if(video_codec_tag)
3443 video_enc->codec_tag= video_codec_tag;
3444
3445 if( (video_global_header&1)
3446 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3447 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3448 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3449 }
3450 if(video_global_header&2){
3451 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3452 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3453 }
3454
3455 if (video_stream_copy) {
3456 st->stream_copy = 1;
3457 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3458 video_enc->sample_aspect_ratio =
3459 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3460 } else {
3461 const char *p;
3462 int i;
3463 AVCodec *codec;
3464 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3465
3466 if (video_codec_name) {
3467 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
3468 codec = avcodec_find_encoder_by_name(video_codec_name);
3469 output_codecs[nb_ocodecs] = codec;
3470 } else {
3471 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3472 codec = avcodec_find_encoder(codec_id);
3473 }
3474
3475 video_enc->codec_id = codec_id;
3476
3477 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3478
3479 if (codec && codec->supported_framerates && !force_fps)
3480 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3481 video_enc->time_base.den = fps.num;
3482 video_enc->time_base.num = fps.den;
3483
3484 video_enc->width = frame_width + frame_padright + frame_padleft;
3485 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3486 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3487 video_enc->pix_fmt = frame_pix_fmt;
3488 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3489
3490 choose_pixel_fmt(st, codec);
3491
3492 if (intra_only)
3493 video_enc->gop_size = 0;
3494 if (video_qscale || same_quality) {
3495 video_enc->flags |= CODEC_FLAG_QSCALE;
3496 video_enc->global_quality=
3497 st->quality = FF_QP2LAMBDA * video_qscale;
3498 }
3499
3500 if(intra_matrix)
3501 video_enc->intra_matrix = intra_matrix;
3502 if(inter_matrix)
3503 video_enc->inter_matrix = inter_matrix;
3504
3505 p= video_rc_override_string;
3506 for(i=0; p; i++){
3507 int start, end, q;
3508 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3509 if(e!=3){
3510 fprintf(stderr, "error parsing rc_override\n");
3511 av_exit(1);
3512 }
3513 video_enc->rc_override=
3514 av_realloc(video_enc->rc_override,
3515 sizeof(RcOverride)*(i+1));
3516 video_enc->rc_override[i].start_frame= start;
3517 video_enc->rc_override[i].end_frame = end;
3518 if(q>0){
3519 video_enc->rc_override[i].qscale= q;
3520 video_enc->rc_override[i].quality_factor= 1.0;
3521 }
3522 else{
3523 video_enc->rc_override[i].qscale= 0;
3524 video_enc->rc_override[i].quality_factor= -q/100.0;
3525 }
3526 p= strchr(p, '/');
3527 if(p) p++;
3528 }
3529 video_enc->rc_override_count=i;
3530 if (!video_enc->rc_initial_buffer_occupancy)
3531 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3532 video_enc->me_threshold= me_threshold;
3533 video_enc->intra_dc_precision= intra_dc_precision - 8;
3534
3535 if (do_psnr)
3536 video_enc->flags|= CODEC_FLAG_PSNR;
3537
3538 /* two pass mode */
3539 if (do_pass) {
3540 if (do_pass == 1) {
3541 video_enc->flags |= CODEC_FLAG_PASS1;
3542 } else {
3543 video_enc->flags |= CODEC_FLAG_PASS2;
3544 }
3545 }
3546 }
3547 nb_ocodecs++;
3548 if (video_language) {
3549 av_metadata_set2(&st->metadata, "language", video_language, 0);
3550 av_freep(&video_language);
3551 }
3552
3553 /* reset some key parameters */
3554 video_disable = 0;
3555 av_freep(&video_codec_name);
3556 video_stream_copy = 0;
3557 frame_pix_fmt = PIX_FMT_NONE;
3558 }
3559
3560 static void new_audio_stream(AVFormatContext *oc)
3561 {
3562 AVStream *st;
3563 AVCodecContext *audio_enc;
3564 enum CodecID codec_id;
3565
3566 st = av_new_stream(oc, oc->nb_streams);
3567 if (!st) {
3568 fprintf(stderr, "Could not alloc stream\n");
3569 av_exit(1);
3570 }
3571 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_AUDIO);
3572
3573 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3574 audio_bitstream_filters= NULL;
3575
3576 avcodec_thread_init(st->codec, thread_count);
3577
3578 audio_enc = st->codec;
3579 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3580
3581 if(audio_codec_tag)
3582 audio_enc->codec_tag= audio_codec_tag;
3583
3584 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3585 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3586 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3587 }
3588 if (audio_stream_copy) {
3589 st->stream_copy = 1;
3590 audio_enc->channels = audio_channels;
3591 audio_enc->sample_rate = audio_sample_rate;
3592 } else {
3593 AVCodec *codec;
3594
3595 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3596
3597 if (audio_codec_name) {
3598 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
3599 codec = avcodec_find_encoder_by_name(audio_codec_name);
3600 output_codecs[nb_ocodecs] = codec;
3601 } else {
3602 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3603 codec = avcodec_find_encoder(codec_id);
3604 }
3605 audio_enc->codec_id = codec_id;
3606
3607 if (audio_qscale > QSCALE_NONE) {
3608 audio_enc->flags |= CODEC_FLAG_QSCALE;
3609 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3610 }
3611 audio_enc->channels = audio_channels;
3612 audio_enc->sample_fmt = audio_sample_fmt;
3613 audio_enc->sample_rate = audio_sample_rate;
3614 audio_enc->channel_layout = channel_layout;
3615 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3616 audio_enc->channel_layout = 0;
3617 choose_sample_fmt(st, codec);
3618 choose_sample_rate(st, codec);
3619 }
3620 nb_ocodecs++;
3621 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3622 if (audio_language) {
3623 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3624 av_freep(&audio_language);
3625 }
3626
3627 /* reset some key parameters */
3628 audio_disable = 0;
3629 av_freep(&audio_codec_name);
3630 audio_stream_copy = 0;
3631 }
3632
3633 static void new_subtitle_stream(AVFormatContext *oc)
3634 {
3635 AVStream *st;
3636 AVCodecContext *subtitle_enc;
3637
3638 st = av_new_stream(oc, oc->nb_streams);
3639 if (!st) {
3640 fprintf(stderr, "Could not alloc stream\n");
3641 av_exit(1);
3642 }
3643 avcodec_get_context_defaults2(st->codec, AVMEDIA_TYPE_SUBTITLE);
3644
3645 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3646 subtitle_bitstream_filters= NULL;
3647
3648 subtitle_enc = st->codec;
3649 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3650
3651 if(subtitle_codec_tag)
3652 subtitle_enc->codec_tag= subtitle_codec_tag;
3653
3654 if (subtitle_stream_copy) {
3655 st->stream_copy = 1;
3656 } else {
3657 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3658 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
3659 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3660 }
3661 nb_ocodecs++;
3662
3663 if (subtitle_language) {
3664 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3665 av_freep(&subtitle_language);
3666 }
3667
3668 subtitle_disable = 0;
3669 av_freep(&subtitle_codec_name);
3670 subtitle_stream_copy = 0;
3671 }
3672
3673 static void opt_new_audio_stream(void)
3674 {
3675 AVFormatContext *oc;
3676 if (nb_output_files <= 0) {
3677 fprintf(stderr, "At least one output file must be specified\n");
3678 av_exit(1);
3679 }
3680 oc = output_files[nb_output_files - 1];
3681 new_audio_stream(oc);
3682 }
3683
3684 static void opt_new_video_stream(void)
3685 {
3686 AVFormatContext *oc;
3687 if (nb_output_files <= 0) {
3688 fprintf(stderr, "At least one output file must be specified\n");
3689 av_exit(1);
3690 }
3691 oc = output_files[nb_output_files - 1];
3692 new_video_stream(oc);
3693 }
3694
3695 static void opt_new_subtitle_stream(void)
3696 {
3697 AVFormatContext *oc;
3698 if (nb_output_files <= 0) {
3699 fprintf(stderr, "At least one output file must be specified\n");
3700 av_exit(1);
3701 }
3702 oc = output_files[nb_output_files - 1];
3703 new_subtitle_stream(oc);
3704 }
3705
3706 static void opt_output_file(const char *filename)
3707 {
3708 AVFormatContext *oc;
3709 int err, use_video, use_audio, use_subtitle;
3710 int input_has_video, input_has_audio,