Make sure get_filtered_video_pic() doesnt loose interlacedframe/tff.
[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 pic2->interlaced_frame = pic->interlaced;
389 pic2->top_field_first = pic->top_field_first;
390
391 return 1;
392 }
393
394 static AVFilter output_filter =
395 {
396 .name = "ffmpeg_output",
397
398 .priv_size = sizeof(FilterOutPriv),
399 .init = output_init,
400
401 .query_formats = output_query_formats,
402
403 .inputs = (AVFilterPad[]) {{ .name = "default",
404 .type = AVMEDIA_TYPE_VIDEO,
405 .end_frame = output_end_frame,
406 .min_perms = AV_PERM_READ, },
407 { .name = NULL }},
408 .outputs = (AVFilterPad[]) {{ .name = NULL }},
409 };
410
411 static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
412 {
413 AVFilterContext *curr_filter;
414 /** filter graph containing all filters including input & output */
415 AVCodecContext *codec = ost->st->codec;
416 AVCodecContext *icodec = ist->st->codec;
417 char args[255];
418
419 filt_graph_all = av_mallocz(sizeof(AVFilterGraph));
420
421 if(!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
422 return -1;
423 if(!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
424 return -1;
425
426 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
427 ist->st->codec->height, ist->st->codec->pix_fmt);
428 if(avfilter_init_filter(ist->input_video_filter, args, NULL))
429 return -1;
430 if(avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
431 return -1;
432
433 /* add input and output filters to the overall graph */
434 avfilter_graph_add_filter(filt_graph_all, ist->input_video_filter);
435 avfilter_graph_add_filter(filt_graph_all, ist->out_video_filter);
436
437 curr_filter = ist->input_video_filter;
438
439 if(ost->video_crop) {
440 char crop_args[255];
441 AVFilterContext *filt_crop;
442 snprintf(crop_args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
443 codec->width - (frame_padleft + frame_padright),
444 codec->height - (frame_padtop + frame_padbottom));
445 filt_crop = avfilter_open(avfilter_get_by_name("crop"), NULL);
446 if (!filt_crop)
447 return -1;
448 if (avfilter_init_filter(filt_crop, crop_args, NULL))
449 return -1;
450 if (avfilter_link(curr_filter, 0, filt_crop, 0))
451 return -1;
452 curr_filter = filt_crop;
453 avfilter_graph_add_filter(filt_graph_all, curr_filter);
454 }
455
456 if((codec->width !=
457 icodec->width - (frame_leftBand + frame_rightBand) +
458 (frame_padleft + frame_padright)) ||
459 (codec->height != icodec->height - (frame_topBand + frame_bottomBand) +
460 (frame_padtop + frame_padbottom))) {
461 char scale_args[255];
462 AVFilterContext *filt_scale;
463 snprintf(scale_args, 255, "%d:%d:flags=0x%X",
464 codec->width - (frame_padleft + frame_padright),
465 codec->height - (frame_padtop + frame_padbottom),
466 (int)av_get_int(sws_opts, "sws_flags", NULL));
467 filt_scale = avfilter_open(avfilter_get_by_name("scale"), NULL);
468 if (!filt_scale)
469 return -1;
470 if (avfilter_init_filter(filt_scale, scale_args, NULL))
471 return -1;
472 if (avfilter_link(curr_filter, 0, filt_scale, 0))
473 return -1;
474 curr_filter = filt_scale;
475 avfilter_graph_add_filter(filt_graph_all, curr_filter);
476 }
477
478 if(vfilters) {
479 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
480 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
481
482 outputs->name = av_strdup("in");
483 outputs->filter = curr_filter;
484 outputs->pad_idx = 0;
485 outputs->next = NULL;
486
487 inputs->name = av_strdup("out");
488 inputs->filter = ist->out_video_filter;
489 inputs->pad_idx = 0;
490 inputs->next = NULL;
491
492 if (avfilter_graph_parse(filt_graph_all, vfilters, inputs, outputs, NULL) < 0)
493 return -1;
494 av_freep(&vfilters);
495 } else {
496 if(avfilter_link(curr_filter, 0, ist->out_video_filter, 0) < 0)
497 return -1;
498 }
499
500 {
501 char scale_sws_opts[128];
502 snprintf(scale_sws_opts, sizeof(scale_sws_opts), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
503 filt_graph_all->scale_sws_opts = av_strdup(scale_sws_opts);
504 }
505
506 /* configure all the filter links */
507 if(avfilter_graph_check_validity(filt_graph_all, NULL))
508 return -1;
509 if(avfilter_graph_config_formats(filt_graph_all, NULL))
510 return -1;
511 if(avfilter_graph_config_links(filt_graph_all, NULL))
512 return -1;
513
514 codec->width = ist->out_video_filter->inputs[0]->w;
515 codec->height = ist->out_video_filter->inputs[0]->h;
516
517 return 0;
518 }
519 #endif /* CONFIG_AVFILTER */
520
521 static void term_exit(void)
522 {
523 #if HAVE_TERMIOS_H
524 tcsetattr (0, TCSANOW, &oldtty);
525 #endif
526 }
527
528 static volatile int received_sigterm = 0;
529
530 static void
531 sigterm_handler(int sig)
532 {
533 received_sigterm = sig;
534 term_exit();
535 }
536
537 static void term_init(void)
538 {
539 #if HAVE_TERMIOS_H
540 struct termios tty;
541
542 tcgetattr (0, &tty);
543 oldtty = tty;
544 atexit(term_exit);
545
546 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
547 |INLCR|IGNCR|ICRNL|IXON);
548 tty.c_oflag |= OPOST;
549 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
550 tty.c_cflag &= ~(CSIZE|PARENB);
551 tty.c_cflag |= CS8;
552 tty.c_cc[VMIN] = 1;
553 tty.c_cc[VTIME] = 0;
554
555 tcsetattr (0, TCSANOW, &tty);
556 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
557 #endif
558
559 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
560 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
561 #ifdef SIGXCPU
562 signal(SIGXCPU, sigterm_handler);
563 #endif
564
565 #if CONFIG_BEOS_NETSERVER
566 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
567 #endif
568 }
569
570 /* read a key without blocking */
571 static int read_key(void)
572 {
573 #if HAVE_TERMIOS_H
574 int n = 1;
575 unsigned char ch;
576 #if !CONFIG_BEOS_NETSERVER
577 struct timeval tv;
578 fd_set rfds;
579
580 FD_ZERO(&rfds);
581 FD_SET(0, &rfds);
582 tv.tv_sec = 0;
583 tv.tv_usec = 0;
584 n = select(1, &rfds, NULL, NULL, &tv);
585 #endif
586 if (n > 0) {
587 n = read(0, &ch, 1);
588 if (n == 1)
589 return ch;
590
591 return n;
592 }
593 #elif HAVE_CONIO_H
594 if(kbhit())
595 return(getch());
596 #endif
597 return -1;
598 }
599
600 static int decode_interrupt_cb(void)
601 {
602 return q_pressed || (q_pressed = read_key() == 'q');
603 }
604
605 static int av_exit(int ret)
606 {
607 int i;
608
609 /* close files */
610 for(i=0;i<nb_output_files;i++) {
611 /* maybe av_close_output_file ??? */
612 AVFormatContext *s = output_files[i];
613 int j;
614 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
615 url_fclose(s->pb);
616 for(j=0;j<s->nb_streams;j++) {
617 av_metadata_free(&s->streams[j]->metadata);
618 av_free(s->streams[j]->codec);
619 av_free(s->streams[j]);
620 }
621 for(j=0;j<s->nb_programs;j++) {
622 av_metadata_free(&s->programs[j]->metadata);
623 }
624 for(j=0;j<s->nb_chapters;j++) {
625 av_metadata_free(&s->chapters[j]->metadata);
626 }
627 av_metadata_free(&s->metadata);
628 av_free(s);
629 }
630 for(i=0;i<nb_input_files;i++)
631 av_close_input_file(input_files[i]);
632
633 av_free(intra_matrix);
634 av_free(inter_matrix);
635
636 if (vstats_file)
637 fclose(vstats_file);
638 av_free(vstats_filename);
639
640 av_free(opt_names);
641
642 av_free(video_codec_name);
643 av_free(audio_codec_name);
644 av_free(subtitle_codec_name);
645
646 av_free(video_standard);
647
648 #if CONFIG_POWERPC_PERF
649 void powerpc_display_perf_report(void);
650 powerpc_display_perf_report();
651 #endif /* CONFIG_POWERPC_PERF */
652
653 for (i=0;i<AVMEDIA_TYPE_NB;i++)
654 av_free(avcodec_opts[i]);
655 av_free(avformat_opts);
656 av_free(sws_opts);
657 av_free(audio_buf);
658 av_free(audio_out);
659 allocated_audio_buf_size= allocated_audio_out_size= 0;
660 av_free(samples);
661
662 #if CONFIG_AVFILTER
663 avfilter_uninit();
664 #endif
665
666 if (received_sigterm) {
667 fprintf(stderr,
668 "Received signal %d: terminating.\n",
669 (int) received_sigterm);
670 exit (255);
671 }
672
673 exit(ret); /* not all OS-es handle main() return value */
674 return ret;
675 }
676
677 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
678 {
679 if(codec && codec->sample_fmts){
680 const enum SampleFormat *p= codec->sample_fmts;
681 for(; *p!=-1; p++){
682 if(*p == st->codec->sample_fmt)
683 break;
684 }
685 if(*p == -1)
686 st->codec->sample_fmt = codec->sample_fmts[0];
687 }
688 }
689
690 static void choose_sample_rate(AVStream *st, AVCodec *codec)
691 {
692 if(codec && codec->supported_samplerates){
693 const int *p= codec->supported_samplerates;
694 int best;
695 int best_dist=INT_MAX;
696 for(; *p; p++){
697 int dist= abs(st->codec->sample_rate - *p);
698 if(dist < best_dist){
699 best_dist= dist;
700 best= *p;
701 }
702 }
703 if(best_dist){
704 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
705 }
706 st->codec->sample_rate= best;
707 }
708 }
709
710 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
711 {
712 if(codec && codec->pix_fmts){
713 const enum PixelFormat *p= codec->pix_fmts;
714 for(; *p!=-1; p++){
715 if(*p == st->codec->pix_fmt)
716 break;
717 }
718 if(*p == -1
719 && !( st->codec->codec_id==CODEC_ID_MJPEG
720 && st->codec->strict_std_compliance <= FF_COMPLIANCE_INOFFICIAL
721 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
722 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
723 st->codec->pix_fmt = codec->pix_fmts[0];
724 }
725 }
726
727 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
728 {
729 int i, err;
730 AVFormatContext *ic;
731 int nopts = 0;
732
733 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
734 if (err < 0)
735 return err;
736 /* copy stream format */
737 s->nb_streams = ic->nb_streams;
738 for(i=0;i<ic->nb_streams;i++) {
739 AVStream *st;
740 AVCodec *codec;
741
742 // FIXME: a more elegant solution is needed
743 st = av_mallocz(sizeof(AVStream));
744 memcpy(st, ic->streams[i], sizeof(AVStream));
745 st->codec = avcodec_alloc_context();
746 if (!st->codec) {
747 print_error(filename, AVERROR(ENOMEM));
748 av_exit(1);
749 }
750 avcodec_copy_context(st->codec, ic->streams[i]->codec);
751 s->streams[i] = st;
752
753 codec = avcodec_find_encoder(st->codec->codec_id);
754 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
755 if (audio_stream_copy) {
756 st->stream_copy = 1;
757 } else
758 choose_sample_fmt(st, codec);
759 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
760 if (video_stream_copy) {
761 st->stream_copy = 1;
762 } else
763 choose_pixel_fmt(st, codec);
764 }
765
766 if(!st->codec->thread_count)
767 st->codec->thread_count = 1;
768 if(st->codec->thread_count>1)
769 avcodec_thread_init(st->codec, st->codec->thread_count);
770
771 if(st->codec->flags & CODEC_FLAG_BITEXACT)
772 nopts = 1;
773 }
774
775 if (!nopts)
776 s->timestamp = av_gettime();
777
778 av_close_input_file(ic);
779 return 0;
780 }
781
782 static double
783 get_sync_ipts(const AVOutputStream *ost)
784 {
785 const AVInputStream *ist = ost->sync_ist;
786 return (double)(ist->pts - start_time)/AV_TIME_BASE;
787 }
788
789 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
790 int ret;
791
792 while(bsfc){
793 AVPacket new_pkt= *pkt;
794 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
795 &new_pkt.data, &new_pkt.size,
796 pkt->data, pkt->size,
797 pkt->flags & AV_PKT_FLAG_KEY);
798 if(a>0){
799 av_free_packet(pkt);
800 new_pkt.destruct= av_destruct_packet;
801 } else if(a<0){
802 fprintf(stderr, "%s failed for stream %d, codec %s",
803 bsfc->filter->name, pkt->stream_index,
804 avctx->codec ? avctx->codec->name : "copy");
805 print_error("", a);
806 if (exit_on_error)
807 av_exit(1);
808 }
809 *pkt= new_pkt;
810
811 bsfc= bsfc->next;
812 }
813
814 ret= av_interleaved_write_frame(s, pkt);
815 if(ret < 0){
816 print_error("av_interleaved_write_frame()", ret);
817 av_exit(1);
818 }
819 }
820
821 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
822
823 static void do_audio_out(AVFormatContext *s,
824 AVOutputStream *ost,
825 AVInputStream *ist,
826 unsigned char *buf, int size)
827 {
828 uint8_t *buftmp;
829 int64_t audio_out_size, audio_buf_size;
830 int64_t allocated_for_size= size;
831
832 int size_out, frame_bytes, ret;
833 AVCodecContext *enc= ost->st->codec;
834 AVCodecContext *dec= ist->st->codec;
835 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
836 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
837 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
838
839 need_realloc:
840 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
841 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
842 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
843 audio_buf_size*= osize*enc->channels;
844
845 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
846 if(coded_bps > 8*osize)
847 audio_out_size= audio_out_size * coded_bps / (8*osize);
848 audio_out_size += FF_MIN_BUFFER_SIZE;
849
850 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
851 fprintf(stderr, "Buffer sizes too large\n");
852 av_exit(1);
853 }
854
855 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
856 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
857 if (!audio_buf || !audio_out){
858 fprintf(stderr, "Out of memory in do_audio_out\n");
859 av_exit(1);
860 }
861
862 if (enc->channels != dec->channels)
863 ost->audio_resample = 1;
864
865 if (ost->audio_resample && !ost->resample) {
866 if (dec->sample_fmt != SAMPLE_FMT_S16)
867 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
868 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
869 enc->sample_rate, dec->sample_rate,
870 enc->sample_fmt, dec->sample_fmt,
871 16, 10, 0, 0.8);
872 if (!ost->resample) {
873 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
874 dec->channels, dec->sample_rate,
875 enc->channels, enc->sample_rate);
876 av_exit(1);
877 }
878 }
879
880 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
881 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
882 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
883 if (ost->reformat_ctx)
884 av_audio_convert_free(ost->reformat_ctx);
885 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
886 dec->sample_fmt, 1, NULL, 0);
887 if (!ost->reformat_ctx) {
888 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
889 avcodec_get_sample_fmt_name(dec->sample_fmt),
890 avcodec_get_sample_fmt_name(enc->sample_fmt));
891 av_exit(1);
892 }
893 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
894 }
895
896 if(audio_sync_method){
897 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
898 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
899 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
900 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
901
902 //FIXME resample delay
903 if(fabs(delta) > 50){
904 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
905 if(byte_delta < 0){
906 byte_delta= FFMAX(byte_delta, -size);
907 size += byte_delta;
908 buf -= byte_delta;
909 if(verbose > 2)
910 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
911 if(!size)
912 return;
913 ist->is_start=0;
914 }else{
915 static uint8_t *input_tmp= NULL;
916 input_tmp= av_realloc(input_tmp, byte_delta + size);
917
918 if(byte_delta > allocated_for_size - size){
919 allocated_for_size= byte_delta + (int64_t)size;
920 goto need_realloc;
921 }
922 ist->is_start=0;
923
924 memset(input_tmp, 0, byte_delta);
925 memcpy(input_tmp + byte_delta, buf, size);
926 buf= input_tmp;
927 size += byte_delta;
928 if(verbose > 2)
929 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
930 }
931 }else if(audio_sync_method>1){
932 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
933 assert(ost->audio_resample);
934 if(verbose > 2)
935 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
936 // 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));
937 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
938 }
939 }
940 }else
941 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
942 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
943
944 if (ost->audio_resample) {
945 buftmp = audio_buf;
946 size_out = audio_resample(ost->resample,
947 (short *)buftmp, (short *)buf,
948 size / (ist->st->codec->channels * isize));
949 size_out = size_out * enc->channels * osize;
950 } else {
951 buftmp = buf;
952 size_out = size;
953 }
954
955 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
956 const void *ibuf[6]= {buftmp};
957 void *obuf[6]= {audio_buf};
958 int istride[6]= {isize};
959 int ostride[6]= {osize};
960 int len= size_out/istride[0];
961 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
962 printf("av_audio_convert() failed\n");
963 if (exit_on_error)
964 av_exit(1);
965 return;
966 }
967 buftmp = audio_buf;
968 size_out = len*osize;
969 }
970
971 /* now encode as many frames as possible */
972 if (enc->frame_size > 1) {
973 /* output resampled raw samples */
974 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
975 fprintf(stderr, "av_fifo_realloc2() failed\n");
976 av_exit(1);
977 }
978 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
979
980 frame_bytes = enc->frame_size * osize * enc->channels;
981
982 while (av_fifo_size(ost->fifo) >= frame_bytes) {
983 AVPacket pkt;
984 av_init_packet(&pkt);
985
986 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
987
988 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
989
990 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
991 (short *)audio_buf);
992 if (ret < 0) {
993 fprintf(stderr, "Audio encoding failed\n");
994 av_exit(1);
995 }
996 audio_size += ret;
997 pkt.stream_index= ost->index;
998 pkt.data= audio_out;
999 pkt.size= ret;
1000 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1001 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1002 pkt.flags |= AV_PKT_FLAG_KEY;
1003 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1004
1005 ost->sync_opts += enc->frame_size;
1006 }
1007 } else {
1008 AVPacket pkt;
1009 av_init_packet(&pkt);
1010
1011 ost->sync_opts += size_out / (osize * enc->channels);
1012
1013 /* output a pcm frame */
1014 /* determine the size of the coded buffer */
1015 size_out /= osize;
1016 if (coded_bps)
1017 size_out = size_out*coded_bps/8;
1018
1019 if(size_out > audio_out_size){
1020 fprintf(stderr, "Internal error, buffer size too small\n");
1021 av_exit(1);
1022 }
1023
1024 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1025 ret = avcodec_encode_audio(enc, audio_out, size_out,
1026 (short *)buftmp);
1027 if (ret < 0) {
1028 fprintf(stderr, "Audio encoding failed\n");
1029 av_exit(1);
1030 }
1031 audio_size += ret;
1032 pkt.stream_index= ost->index;
1033 pkt.data= audio_out;
1034 pkt.size= ret;
1035 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1036 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1037 pkt.flags |= AV_PKT_FLAG_KEY;
1038 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1039 }
1040 }
1041
1042 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1043 {
1044 AVCodecContext *dec;
1045 AVPicture *picture2;
1046 AVPicture picture_tmp;
1047 uint8_t *buf = 0;
1048
1049 dec = ist->st->codec;
1050
1051 /* deinterlace : must be done before any resize */
1052 if (do_deinterlace) {
1053 int size;
1054
1055 /* create temporary picture */
1056 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1057 buf = av_malloc(size);
1058 if (!buf)
1059 return;
1060
1061 picture2 = &picture_tmp;
1062 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1063
1064 if(avpicture_deinterlace(picture2, picture,
1065 dec->pix_fmt, dec->width, dec->height) < 0) {
1066 /* if error, do not deinterlace */
1067 fprintf(stderr, "Deinterlacing failed\n");
1068 av_free(buf);
1069 buf = NULL;
1070 picture2 = picture;
1071 }
1072 } else {
1073 picture2 = picture;
1074 }
1075
1076 if (picture != picture2)
1077 *picture = *picture2;
1078 *bufp = buf;
1079 }
1080
1081 /* we begin to correct av delay at this threshold */
1082 #define AV_DELAY_MAX 0.100
1083
1084 static void do_subtitle_out(AVFormatContext *s,
1085 AVOutputStream *ost,
1086 AVInputStream *ist,
1087 AVSubtitle *sub,
1088 int64_t pts)
1089 {
1090 static uint8_t *subtitle_out = NULL;
1091 int subtitle_out_max_size = 1024 * 1024;
1092 int subtitle_out_size, nb, i;
1093 AVCodecContext *enc;
1094 AVPacket pkt;
1095
1096 if (pts == AV_NOPTS_VALUE) {
1097 fprintf(stderr, "Subtitle packets must have a pts\n");
1098 if (exit_on_error)
1099 av_exit(1);
1100 return;
1101 }
1102
1103 enc = ost->st->codec;
1104
1105 if (!subtitle_out) {
1106 subtitle_out = av_malloc(subtitle_out_max_size);
1107 }
1108
1109 /* Note: DVB subtitle need one packet to draw them and one other
1110 packet to clear them */
1111 /* XXX: signal it in the codec context ? */
1112 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1113 nb = 2;
1114 else
1115 nb = 1;
1116
1117 for(i = 0; i < nb; i++) {
1118 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1119 // start_display_time is required to be 0
1120 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1121 sub->end_display_time -= sub->start_display_time;
1122 sub->start_display_time = 0;
1123 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1124 subtitle_out_max_size, sub);
1125 if (subtitle_out_size < 0) {
1126 fprintf(stderr, "Subtitle encoding failed\n");
1127 av_exit(1);
1128 }
1129
1130 av_init_packet(&pkt);
1131 pkt.stream_index = ost->index;
1132 pkt.data = subtitle_out;
1133 pkt.size = subtitle_out_size;
1134 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1135 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1136 /* XXX: the pts correction is handled here. Maybe handling
1137 it in the codec would be better */
1138 if (i == 0)
1139 pkt.pts += 90 * sub->start_display_time;
1140 else
1141 pkt.pts += 90 * sub->end_display_time;
1142 }
1143 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1144 }
1145 }
1146
1147 static int bit_buffer_size= 1024*256;
1148 static uint8_t *bit_buffer= NULL;
1149
1150 static void do_video_out(AVFormatContext *s,
1151 AVOutputStream *ost,
1152 AVInputStream *ist,
1153 AVFrame *in_picture,
1154 int *frame_size)
1155 {
1156 int nb_frames, i, ret;
1157 #if !CONFIG_AVFILTER
1158 int64_t topBand, bottomBand, leftBand, rightBand;
1159 #endif
1160 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1161 AVFrame picture_crop_temp, picture_pad_temp;
1162 AVCodecContext *enc, *dec;
1163 double sync_ipts;
1164
1165 avcodec_get_frame_defaults(&picture_crop_temp);
1166 avcodec_get_frame_defaults(&picture_pad_temp);
1167
1168 enc = ost->st->codec;
1169 dec = ist->st->codec;
1170
1171 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1172
1173 /* by default, we output a single frame */
1174 nb_frames = 1;
1175
1176 *frame_size = 0;
1177
1178 if(video_sync_method){
1179 double vdelta = sync_ipts - ost->sync_opts;
1180 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1181 if (vdelta < -1.1)
1182 nb_frames = 0;
1183 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1184 if(vdelta<=-0.6){
1185 nb_frames=0;
1186 }else if(vdelta>0.6)
1187 ost->sync_opts= lrintf(sync_ipts);
1188 }else if (vdelta > 1.1)
1189 nb_frames = lrintf(vdelta);
1190 //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);
1191 if (nb_frames == 0){
1192 ++nb_frames_drop;
1193 if (verbose>2)
1194 fprintf(stderr, "*** drop!\n");
1195 }else if (nb_frames > 1) {
1196 nb_frames_dup += nb_frames - 1;
1197 if (verbose>2)
1198 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1199 }
1200 }else
1201 ost->sync_opts= lrintf(sync_ipts);
1202
1203 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1204 if (nb_frames <= 0)
1205 return;
1206
1207 #if CONFIG_AVFILTER
1208 formatted_picture = in_picture;
1209 #else
1210 if (ost->video_crop) {
1211 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1212 fprintf(stderr, "error cropping picture\n");
1213 if (exit_on_error)
1214 av_exit(1);
1215 return;
1216 }
1217 formatted_picture = &picture_crop_temp;
1218 } else {
1219 formatted_picture = in_picture;
1220 }
1221 #endif
1222
1223 final_picture = formatted_picture;
1224 padding_src = formatted_picture;
1225 resampling_dst = &ost->pict_tmp;
1226 if (ost->video_pad) {
1227 final_picture = &ost->pict_tmp;
1228 if (ost->video_resample) {
1229 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
1230 fprintf(stderr, "error padding picture\n");
1231 if (exit_on_error)
1232 av_exit(1);
1233 return;
1234 }
1235 resampling_dst = &picture_pad_temp;
1236 }
1237 }
1238
1239 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1240 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1241 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1242
1243 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));
1244 if(!ost->video_resample)
1245 av_exit(1);
1246 }
1247
1248 #if !CONFIG_AVFILTER
1249 if (ost->video_resample) {
1250 padding_src = NULL;
1251 final_picture = &ost->pict_tmp;
1252 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1253 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1254 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1255
1256 /* keep bands proportional to the frame size */
1257 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1258 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1259 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1260 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1261
1262 /* sanity check to ensure no bad band sizes sneak in */
1263 assert(topBand <= INT_MAX && topBand >= 0);
1264 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1265 assert(leftBand <= INT_MAX && leftBand >= 0);
1266 assert(rightBand <= INT_MAX && rightBand >= 0);
1267
1268 ost->topBand = topBand;
1269 ost->bottomBand = bottomBand;
1270 ost->leftBand = leftBand;
1271 ost->rightBand = rightBand;
1272
1273 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1274 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1275 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1276
1277 /* initialize a new scaler context */
1278 sws_freeContext(ost->img_resample_ctx);
1279 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1280 ost->img_resample_ctx = sws_getContext(
1281 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1282 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1283 ist->st->codec->pix_fmt,
1284 ost->st->codec->width - (ost->padleft + ost->padright),
1285 ost->st->codec->height - (ost->padtop + ost->padbottom),
1286 ost->st->codec->pix_fmt,
1287 sws_flags, NULL, NULL, NULL);
1288 if (ost->img_resample_ctx == NULL) {
1289 fprintf(stderr, "Cannot get resampling context\n");
1290 av_exit(1);
1291 }
1292 }
1293 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1294 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1295 }
1296 #endif
1297
1298 if (ost->video_pad) {
1299 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1300 enc->height, enc->width, enc->pix_fmt,
1301 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1302 }
1303
1304 /* duplicates frame if needed */
1305 for(i=0;i<nb_frames;i++) {
1306 AVPacket pkt;
1307 av_init_packet(&pkt);
1308 pkt.stream_index= ost->index;
1309
1310 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1311 /* raw pictures are written as AVPicture structure to
1312 avoid any copies. We support temorarily the older
1313 method. */
1314 AVFrame* old_frame = enc->coded_frame;
1315 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1316 pkt.data= (uint8_t *)final_picture;
1317 pkt.size= sizeof(AVPicture);
1318 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1319 pkt.flags |= AV_PKT_FLAG_KEY;
1320
1321 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1322 enc->coded_frame = old_frame;
1323 } else {
1324 AVFrame big_picture;
1325
1326 big_picture= *final_picture;
1327 /* better than nothing: use input picture interlaced
1328 settings */
1329 big_picture.interlaced_frame = in_picture->interlaced_frame;
1330 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1331 if(top_field_first == -1)
1332 big_picture.top_field_first = in_picture->top_field_first;
1333 else
1334 big_picture.top_field_first = top_field_first;
1335 }
1336
1337 /* handles sameq here. This is not correct because it may
1338 not be a global option */
1339 if (same_quality) {
1340 big_picture.quality = ist->st->quality;
1341 }else
1342 big_picture.quality = ost->st->quality;
1343 if(!me_threshold)
1344 big_picture.pict_type = 0;
1345 // big_picture.pts = AV_NOPTS_VALUE;
1346 big_picture.pts= ost->sync_opts;
1347 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1348 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1349 ret = avcodec_encode_video(enc,
1350 bit_buffer, bit_buffer_size,
1351 &big_picture);
1352 if (ret < 0) {
1353 fprintf(stderr, "Video encoding failed\n");
1354 av_exit(1);
1355 }
1356
1357 if(ret>0){
1358 pkt.data= bit_buffer;
1359 pkt.size= ret;
1360 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1361 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1362 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1363 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1364 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1365
1366 if(enc->coded_frame->key_frame)
1367 pkt.flags |= AV_PKT_FLAG_KEY;
1368 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1369 *frame_size = ret;
1370 video_size += ret;
1371 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1372 // enc->frame_number-1, ret, enc->pict_type);
1373 /* if two pass, output log */
1374 if (ost->logfile && enc->stats_out) {
1375 fprintf(ost->logfile, "%s", enc->stats_out);
1376 }
1377 }
1378 }
1379 ost->sync_opts++;
1380 ost->frame_number++;
1381 }
1382 }
1383
1384 static double psnr(double d){
1385 return -10.0*log(d)/log(10.0);
1386 }
1387
1388 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1389 int frame_size)
1390 {
1391 AVCodecContext *enc;
1392 int frame_number;
1393 double ti1, bitrate, avg_bitrate;
1394
1395 /* this is executed just the first time do_video_stats is called */
1396 if (!vstats_file) {
1397 vstats_file = fopen(vstats_filename, "w");
1398 if (!vstats_file) {
1399 perror("fopen");
1400 av_exit(1);
1401 }
1402 }
1403
1404 enc = ost->st->codec;
1405 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1406 frame_number = ost->frame_number;
1407 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1408 if (enc->flags&CODEC_FLAG_PSNR)
1409 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1410
1411 fprintf(vstats_file,"f_size= %6d ", frame_size);
1412 /* compute pts value */
1413 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1414 if (ti1 < 0.01)
1415 ti1 = 0.01;
1416
1417 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1418 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1419 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1420 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1421 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1422 }
1423 }
1424
1425 static void print_report(AVFormatContext **output_files,
1426 AVOutputStream **ost_table, int nb_ostreams,
1427 int is_last_report)
1428 {
1429 char buf[1024];
1430 AVOutputStream *ost;
1431 AVFormatContext *oc;
1432 int64_t total_size;
1433 AVCodecContext *enc;
1434 int frame_number, vid, i;
1435 double bitrate, ti1, pts;
1436 static int64_t last_time = -1;
1437 static int qp_histogram[52];
1438
1439 if (!is_last_report) {
1440 int64_t cur_time;
1441 /* display the report every 0.5 seconds */
1442 cur_time = av_gettime();
1443 if (last_time == -1) {
1444 last_time = cur_time;
1445 return;
1446 }
1447 if ((cur_time - last_time) < 500000)
1448 return;
1449 last_time = cur_time;
1450 }
1451
1452
1453 oc = output_files[0];
1454
1455 total_size = url_fsize(oc->pb);
1456 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1457 total_size= url_ftell(oc->pb);
1458
1459 buf[0] = '\0';
1460 ti1 = 1e10;
1461 vid = 0;
1462 for(i=0;i<nb_ostreams;i++) {
1463 ost = ost_table[i];
1464 enc = ost->st->codec;
1465 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1466 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1467 !ost->st->stream_copy ?
1468 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1469 }
1470 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1471 float t = (av_gettime()-timer_start) / 1000000.0;
1472
1473 frame_number = ost->frame_number;
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1475 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1476 !ost->st->stream_copy ?
1477 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1478 if(is_last_report)
1479 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1480 if(qp_hist){
1481 int j;
1482 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1483 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1484 qp_histogram[qp]++;
1485 for(j=0; j<32; j++)
1486 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1487 }
1488 if (enc->flags&CODEC_FLAG_PSNR){
1489 int j;
1490 double error, error_sum=0;
1491 double scale, scale_sum=0;
1492 char type[3]= {'Y','U','V'};
1493 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1494 for(j=0; j<3; j++){
1495 if(is_last_report){
1496 error= enc->error[j];
1497 scale= enc->width*enc->height*255.0*255.0*frame_number;
1498 }else{
1499 error= enc->coded_frame->error[j];
1500 scale= enc->width*enc->height*255.0*255.0;
1501 }
1502 if(j) scale/=4;
1503 error_sum += error;
1504 scale_sum += scale;
1505 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1506 }
1507 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1508 }
1509 vid = 1;
1510 }
1511 /* compute min output value */
1512 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1513 if ((pts < ti1) && (pts > 0))
1514 ti1 = pts;
1515 }
1516 if (ti1 < 0.01)
1517 ti1 = 0.01;
1518
1519 if (verbose || is_last_report) {
1520 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1521
1522 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1523 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1524 (double)total_size / 1024, ti1, bitrate);
1525
1526 if (nb_frames_dup || nb_frames_drop)
1527 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1528 nb_frames_dup, nb_frames_drop);
1529
1530 if (verbose >= 0)
1531 fprintf(stderr, "%s \r", buf);
1532
1533 fflush(stderr);
1534 }
1535
1536 if (is_last_report && verbose >= 0){
1537 int64_t raw= audio_size + video_size + extra_size;
1538 fprintf(stderr, "\n");
1539 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1540 video_size/1024.0,
1541 audio_size/1024.0,
1542 extra_size/1024.0,
1543 100.0*(total_size - raw)/raw
1544 );
1545 }
1546 }
1547
1548 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1549 static int output_packet(AVInputStream *ist, int ist_index,
1550 AVOutputStream **ost_table, int nb_ostreams,
1551 const AVPacket *pkt)
1552 {
1553 AVFormatContext *os;
1554 AVOutputStream *ost;
1555 int ret, i;
1556 int got_picture;
1557 AVFrame picture;
1558 void *buffer_to_free;
1559 static unsigned int samples_size= 0;
1560 AVSubtitle subtitle, *subtitle_to_free;
1561 int got_subtitle;
1562 #if CONFIG_AVFILTER
1563 int loop;
1564 #endif
1565
1566 AVPacket avpkt;
1567 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1568
1569 if(ist->next_pts == AV_NOPTS_VALUE)
1570 ist->next_pts= ist->pts;
1571
1572 if (pkt == NULL) {
1573 /* EOF handling */
1574 av_init_packet(&avpkt);
1575 avpkt.data = NULL;
1576 avpkt.size = 0;
1577 goto handle_eof;
1578 } else {
1579 avpkt = *pkt;
1580 }
1581
1582 if(pkt->dts != AV_NOPTS_VALUE)
1583 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1584
1585 //while we have more to decode or while the decoder did output something on EOF
1586 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1587 uint8_t *data_buf, *decoded_data_buf;
1588 int data_size, decoded_data_size;
1589 handle_eof:
1590 ist->pts= ist->next_pts;
1591
1592 if(avpkt.size && avpkt.size != pkt->size &&
1593 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1594 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1595 ist->showed_multi_packet_warning=1;
1596 }
1597
1598 /* decode the packet if needed */
1599 decoded_data_buf = NULL; /* fail safe */
1600 decoded_data_size= 0;
1601 data_buf = avpkt.data;
1602 data_size = avpkt.size;
1603 subtitle_to_free = NULL;
1604 if (ist->decoding_needed) {
1605 switch(ist->st->codec->codec_type) {
1606 case AVMEDIA_TYPE_AUDIO:{
1607 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1608 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1609 av_free(samples);
1610 samples= av_malloc(samples_size);
1611 }
1612 decoded_data_size= samples_size;
1613 /* XXX: could avoid copy if PCM 16 bits with same
1614 endianness as CPU */
1615 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1616 &avpkt);
1617 if (ret < 0)
1618 goto fail_decode;
1619 avpkt.data += ret;
1620 avpkt.size -= ret;
1621 data_size = ret;
1622 /* Some bug in mpeg audio decoder gives */
1623 /* decoded_data_size < 0, it seems they are overflows */
1624 if (decoded_data_size <= 0) {
1625 /* no audio frame */
1626 continue;
1627 }
1628 decoded_data_buf = (uint8_t *)samples;
1629 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1630 (ist->st->codec->sample_rate * ist->st->codec->channels);
1631 break;}
1632 case AVMEDIA_TYPE_VIDEO:
1633 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1634 /* XXX: allocate picture correctly */
1635 avcodec_get_frame_defaults(&picture);
1636
1637 ret = avcodec_decode_video2(ist->st->codec,
1638 &picture, &got_picture, &avpkt);
1639 ist->st->quality= picture.quality;
1640 if (ret < 0)
1641 goto fail_decode;
1642 if (!got_picture) {
1643 /* no picture yet */
1644 goto discard_packet;
1645 }
1646 if (ist->st->codec->time_base.num != 0) {
1647 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1648 ist->next_pts += ((int64_t)AV_TIME_BASE *
1649 ist->st->codec->time_base.num * ticks) /
1650 ist->st->codec->time_base.den;
1651 }
1652 avpkt.size = 0;
1653 break;
1654 case AVMEDIA_TYPE_SUBTITLE:
1655 ret = avcodec_decode_subtitle2(ist->st->codec,
1656 &subtitle, &got_subtitle, &avpkt);
1657 if (ret < 0)
1658 goto fail_decode;
1659 if (!got_subtitle) {
1660 goto discard_packet;
1661 }
1662 subtitle_to_free = &subtitle;
1663 avpkt.size = 0;
1664 break;
1665 default:
1666 goto fail_decode;
1667 }
1668 } else {
1669 switch(ist->st->codec->codec_type) {
1670 case AVMEDIA_TYPE_AUDIO:
1671 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1672 ist->st->codec->sample_rate;
1673 break;
1674 case AVMEDIA_TYPE_VIDEO:
1675 if (ist->st->codec->time_base.num != 0) {
1676 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1677 ist->next_pts += ((int64_t)AV_TIME_BASE *
1678 ist->st->codec->time_base.num * ticks) /
1679 ist->st->codec->time_base.den;
1680 }
1681 break;
1682 }
1683 ret = avpkt.size;
1684 avpkt.size = 0;
1685 }
1686
1687 buffer_to_free = NULL;
1688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1689 pre_process_video_frame(ist, (AVPicture *)&picture,
1690 &buffer_to_free);
1691 }
1692
1693 #if CONFIG_AVFILTER
1694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1695 // add it to be filtered
1696 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1697 ist->pts,
1698 ist->st->codec->sample_aspect_ratio);
1699 }
1700 #endif
1701
1702 // preprocess audio (volume)
1703 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1704 if (audio_volume != 256) {
1705 short *volp;
1706 volp = samples;
1707 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1708 int v = ((*volp) * audio_volume + 128) >> 8;
1709 if (v < -32768) v = -32768;
1710 if (v > 32767) v = 32767;
1711 *volp++ = v;
1712 }
1713 }
1714 }
1715
1716 /* frame rate emulation */
1717 if (rate_emu) {
1718 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1719 int64_t now = av_gettime() - ist->start;
1720 if (pts > now)
1721 usleep(pts - now);
1722 }
1723 #if CONFIG_AVFILTER
1724 loop = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1725 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1726 #endif
1727 /* if output time reached then transcode raw format,
1728 encode packets and output them */
1729 if (start_time == 0 || ist->pts >= start_time)
1730 #if CONFIG_AVFILTER
1731 while(loop) {
1732 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1733 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1734 #endif
1735 for(i=0;i<nb_ostreams;i++) {
1736 int frame_size;
1737
1738 ost = ost_table[i];
1739 if (ost->source_index == ist_index) {
1740 os = output_files[ost->file_index];
1741
1742 /* set the input output pts pairs */
1743 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1744
1745 if (ost->encoding_needed) {
1746 assert(ist->decoding_needed);
1747 switch(ost->st->codec->codec_type) {
1748 case AVMEDIA_TYPE_AUDIO:
1749 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1750 break;
1751 case AVMEDIA_TYPE_VIDEO:
1752 #if CONFIG_AVFILTER
1753 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1754 #endif
1755 do_video_out(os, ost, ist, &picture, &frame_size);
1756 if (vstats_filename && frame_size)
1757 do_video_stats(os, ost, frame_size);
1758 break;
1759 case AVMEDIA_TYPE_SUBTITLE:
1760 do_subtitle_out(os, ost, ist, &subtitle,
1761 pkt->pts);
1762 break;
1763 default:
1764 abort();
1765 }
1766 } else {
1767 AVFrame avframe; //FIXME/XXX remove this
1768 AVPacket opkt;
1769 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1770
1771 av_init_packet(&opkt);
1772
1773 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1774 continue;
1775
1776 /* no reencoding needed : output the packet directly */
1777 /* force the input stream PTS */
1778
1779 avcodec_get_frame_defaults(&avframe);
1780 ost->st->codec->coded_frame= &avframe;
1781 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1782
1783 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1784 audio_size += data_size;
1785 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1786 video_size += data_size;
1787 ost->sync_opts++;
1788 }
1789
1790 opkt.stream_index= ost->index;
1791 if(pkt->pts != AV_NOPTS_VALUE)
1792 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1793 else
1794 opkt.pts= AV_NOPTS_VALUE;
1795
1796 if (pkt->dts == AV_NOPTS_VALUE)
1797 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1798 else
1799 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1800 opkt.dts -= ost_tb_start_time;
1801
1802 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1803 opkt.flags= pkt->flags;
1804
1805 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1806 if( ost->st->codec->codec_id != CODEC_ID_H264
1807 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1808 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1809 ) {
1810 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1811 opkt.destruct= av_destruct_packet;
1812 } else {
1813 opkt.data = data_buf;
1814 opkt.size = data_size;
1815 }
1816
1817 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1818 ost->st->codec->frame_number++;
1819 ost->frame_number++;
1820 av_free_packet(&opkt);
1821 }
1822 }
1823 #if CONFIG_AVFILTER
1824 loop = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1825 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1826 #endif
1827 }
1828
1829 #if CONFIG_AVFILTER
1830 if(ist->picref)
1831 avfilter_unref_pic(ist->picref);
1832 }
1833 #endif
1834 av_free(buffer_to_free);
1835 /* XXX: allocate the subtitles in the codec ? */
1836 if (subtitle_to_free) {
1837 if (subtitle_to_free->rects != NULL) {
1838 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1839 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1840 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1841 av_freep(&subtitle_to_free->rects[i]);
1842 }
1843 av_freep(&subtitle_to_free->rects);
1844 }
1845 subtitle_to_free->num_rects = 0;
1846 subtitle_to_free = NULL;
1847 }
1848 }
1849 discard_packet:
1850 if (pkt == NULL) {
1851 /* EOF handling */
1852
1853 for(i=0;i<nb_ostreams;i++) {
1854 ost = ost_table[i];
1855 if (ost->source_index == ist_index) {
1856 AVCodecContext *enc= ost->st->codec;
1857 os = output_files[ost->file_index];
1858
1859 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1860 continue;
1861 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1862 continue;
1863
1864 if (ost->encoding_needed) {
1865 for(;;) {
1866 AVPacket pkt;
1867 int fifo_bytes;
1868 av_init_packet(&pkt);
1869 pkt.stream_index= ost->index;
1870
1871 switch(ost->st->codec->codec_type) {
1872 case AVMEDIA_TYPE_AUDIO:
1873 fifo_bytes = av_fifo_size(ost->fifo);
1874 ret = 0;
1875 /* encode any samples remaining in fifo */
1876 if (fifo_bytes > 0) {
1877 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1878 int fs_tmp = enc->frame_size;
1879
1880 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1881 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1882 enc->frame_size = fifo_bytes / (osize * enc->channels);
1883 } else { /* pad */
1884 int frame_bytes = enc->frame_size*osize*enc->channels;
1885 if (samples_size < frame_bytes)
1886 av_exit(1);
1887 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1888 }
1889
1890 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1891 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1892 ost->st->time_base.num, enc->sample_rate);
1893 enc->frame_size = fs_tmp;
1894 }
1895 if(ret <= 0) {
1896 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1897 }
1898 if (ret < 0) {
1899 fprintf(stderr, "Audio encoding failed\n");
1900 av_exit(1);
1901 }
1902 audio_size += ret;
1903 pkt.flags |= AV_PKT_FLAG_KEY;
1904 break;
1905 case AVMEDIA_TYPE_VIDEO:
1906 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1907 if (ret < 0) {
1908 fprintf(stderr, "Video encoding failed\n");
1909 av_exit(1);
1910 }
1911 video_size += ret;
1912 if(enc->coded_frame && enc->coded_frame->key_frame)
1913 pkt.flags |= AV_PKT_FLAG_KEY;
1914 if (ost->logfile && enc->stats_out) {
1915 fprintf(ost->logfile, "%s", enc->stats_out);
1916 }
1917 break;
1918 default:
1919 ret=-1;
1920 }
1921
1922 if(ret<=0)
1923 break;
1924 pkt.data= bit_buffer;
1925 pkt.size= ret;
1926 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1927 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1928 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1929 }
1930 }
1931 }
1932 }
1933 }
1934
1935 return 0;
1936 fail_decode:
1937 return -1;
1938 }
1939
1940 static void print_sdp(AVFormatContext **avc, int n)
1941 {
1942 char sdp[2048];
1943
1944 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1945 printf("SDP:\n%s\n", sdp);
1946 fflush(stdout);
1947 }
1948
1949 static int copy_chapters(int infile, int outfile)
1950 {
1951 AVFormatContext *is = input_files[infile];
1952 AVFormatContext *os = output_files[outfile];
1953 int i;
1954
1955 for (i = 0; i < is->nb_chapters; i++) {
1956 AVChapter *in_ch = is->chapters[i], *out_ch;
1957 AVMetadataTag *t = NULL;
1958 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1959 AV_TIME_BASE_Q, in_ch->time_base);
1960 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1961 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1962
1963
1964 if (in_ch->end < ts_off)
1965 continue;
1966 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1967 break;
1968
1969 out_ch = av_mallocz(sizeof(AVChapter));
1970 if (!out_ch)
1971 return AVERROR(ENOMEM);
1972
1973 out_ch->id = in_ch->id;
1974 out_ch->time_base = in_ch->time_base;
1975 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1976 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1977
1978 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1979 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1980
1981 os->nb_chapters++;
1982 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1983 if (!os->chapters)
1984 return AVERROR(ENOMEM);
1985 os->chapters[os->nb_chapters - 1] = out_ch;
1986 }
1987 return 0;
1988 }
1989
1990 /*
1991 * The following code is the main loop of the file converter
1992 */
1993 static int av_transcode(AVFormatContext **output_files,
1994 int nb_output_files,
1995 AVFormatContext **input_files,
1996 int nb_input_files,
1997 AVStreamMap *stream_maps, int nb_stream_maps)
1998 {
1999 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
2000 AVFormatContext *is, *os;
2001 AVCodecContext *codec, *icodec;
2002 AVOutputStream *ost, **ost_table = NULL;
2003 AVInputStream *ist, **ist_table = NULL;
2004 AVInputFile *file_table;
2005 char error[1024];
2006 int key;
2007 int want_sdp = 1;
2008 uint8_t no_packet[MAX_FILES]={0};
2009 int no_packet_count=0;
2010
2011 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
2012 if (!file_table)
2013 goto fail;
2014
2015 /* input stream init */
2016 j = 0;
2017 for(i=0;i<nb_input_files;i++) {
2018 is = input_files[i];
2019 file_table[i].ist_index = j;
2020 file_table[i].nb_streams = is->nb_streams;
2021 j += is->nb_streams;
2022 }
2023 nb_istreams = j;
2024
2025 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2026 if (!ist_table)
2027 goto fail;
2028
2029 for(i=0;i<nb_istreams;i++) {
2030 ist = av_mallocz(sizeof(AVInputStream));
2031 if (!ist)
2032 goto fail;
2033 ist_table[i] = ist;
2034 }
2035 j = 0;
2036 for(i=0;i<nb_input_files;i++) {
2037 is = input_files[i];
2038 for(k=0;k<is->nb_streams;k++) {
2039 ist = ist_table[j++];
2040 ist->st = is->streams[k];
2041 ist->file_index = i;
2042 ist->index = k;
2043 ist->discard = 1; /* the stream is discarded by default
2044 (changed later) */
2045
2046 if (rate_emu) {
2047 ist->start = av_gettime();
2048 }
2049 }
2050 }
2051
2052 /* output stream init */
2053 nb_ostreams = 0;
2054 for(i=0;i<nb_output_files;i++) {
2055 os = output_files[i];
2056 if (!os->nb_streams) {
2057 dump_format(output_files[i], i, output_files[i]->filename, 1);
2058 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2059 av_exit(1);
2060 }
2061 nb_ostreams += os->nb_streams;
2062 }
2063 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2064 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2065 av_exit(1);
2066 }
2067
2068 /* Sanity check the mapping args -- do the input files & streams exist? */
2069 for(i=0;i<nb_stream_maps;i++) {
2070 int fi = stream_maps[i].file_index;
2071 int si = stream_maps[i].stream_index;
2072
2073 if (fi < 0 || fi > nb_input_files - 1 ||
2074 si < 0 || si > file_table[fi].nb_streams - 1) {
2075 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2076 av_exit(1);
2077 }
2078 fi = stream_maps[i].sync_file_index;
2079 si = stream_maps[i].sync_stream_index;
2080 if (fi < 0 || fi > nb_input_files - 1 ||
2081 si < 0 || si > file_table[fi].nb_streams - 1) {
2082 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2083 av_exit(1);
2084 }
2085 }
2086
2087 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2088 if (!ost_table)
2089 goto fail;
2090 for(i=0;i<nb_ostreams;i++) {
2091 ost = av_mallocz(sizeof(AVOutputStream));
2092 if (!ost)
2093 goto fail;
2094 ost_table[i] = ost;
2095 }
2096
2097 n = 0;
2098 for(k=0;k<nb_output_files;k++) {
2099 os = output_files[k];
2100 for(i=0;i<os->nb_streams;i++,n++) {
2101 int found;
2102 ost = ost_table[n];
2103 ost->file_index = k;
2104 ost->index = i;
2105 ost->st = os->streams[i];
2106 if (nb_stream_maps > 0) {
2107 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2108 stream_maps[n].stream_index;
2109
2110 /* Sanity check that the stream types match */
2111 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2112 int i= ost->file_index;
2113 dump_format(output_files[i], i, output_files[i]->filename, 1);
2114 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2115 stream_maps[n].file_index, stream_maps[n].stream_index,
2116 ost->file_index, ost->index);
2117 av_exit(1);
2118 }
2119
2120 } else {
2121 int best_nb_frames=-1;
2122 /* get corresponding input stream index : we select the first one with the right type */
2123 found = 0;
2124 for(j=0;j<nb_istreams;j++) {
2125 int skip=0;
2126 ist = ist_table[j];
2127 if(opt_programid){
2128 int pi,si;
2129 AVFormatContext *f= input_files[ ist->file_index ];
2130 skip=1;
2131 for(pi=0; pi<f->nb_programs; pi++){
2132 AVProgram *p= f->programs[pi];
2133 if(p->id == opt_programid)
2134 for(si=0; si<p->nb_stream_indexes; si++){
2135 if(f->streams[ p->stream_index[si] ] == ist->st)
2136 skip=0;
2137 }
2138 }
2139 }
2140 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2141 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2142 if(best_nb_frames < ist->st->codec_info_nb_frames){
2143 best_nb_frames= ist->st->codec_info_nb_frames;
2144 ost->source_index = j;
2145 found = 1;
2146 }
2147 }
2148 }
2149
2150 if (!found) {
2151 if(! opt_programid) {
2152 /* try again and reuse existing stream */
2153 for(j=0;j<nb_istreams;j++) {
2154 ist = ist_table[j];
2155 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2156 && ist->st->discard != AVDISCARD_ALL) {
2157 ost->source_index = j;
2158 found = 1;
2159 }
2160 }
2161 }
2162 if (!found) {
2163 int i= ost->file_index;
2164 dump_format(output_files[i], i, output_files[i]->filename, 1);
2165 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2166 ost->file_index, ost->index);
2167 av_exit(1);
2168 }
2169 }
2170 }
2171 ist = ist_table[ost->source_index];
2172 ist->discard = 0;
2173 ost->sync_ist = (nb_stream_maps > 0) ?
2174 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2175 stream_maps[n].sync_stream_index] : ist;
2176 }
2177 }
2178
2179 /* for each output stream, we compute the right encoding parameters */
2180 for(i=0;i<nb_ostreams;i++) {
2181 AVMetadataTag *t = NULL;
2182 ost = ost_table[i];
2183 os = output_files[ost->file_index];
2184 ist = ist_table[ost->source_index];
2185
2186 codec = ost->st->codec;
2187 icodec = ist->st->codec;
2188
2189 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2190 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2191 }
2192
2193 ost->st->disposition = ist->st->disposition;
2194 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2195 codec->chroma_sample_location = icodec->chroma_sample_location;
2196
2197 if (ost->st->stream_copy) {
2198 /* if stream_copy is selected, no need to decode or encode */
2199 codec->codec_id = icodec->codec_id;
2200 codec->codec_type = icodec->codec_type;
2201
2202 if(!codec->codec_tag){
2203 if( !os->oformat->codec_tag
2204 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2205 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2206 codec->codec_tag = icodec->codec_tag;
2207 }
2208
2209 codec->bit_rate = icodec->bit_rate;
2210 codec->extradata= icodec->extradata;
2211 codec->extradata_size= icodec->extradata_size;
2212 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){
2213 codec->time_base = icodec->time_base;
2214 codec->time_base.num *= icodec->ticks_per_frame;
2215 }else
2216 codec->time_base = ist->st->time_base;
2217 switch(codec->codec_type) {
2218 case AVMEDIA_TYPE_AUDIO:
2219 if(audio_volume != 256) {
2220 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2221 av_exit(1);
2222 }
2223 codec->channel_layout = icodec->channel_layout;
2224 codec->sample_rate = icodec->sample_rate;
2225 codec->channels = icodec->channels;
2226 codec->frame_size = icodec->frame_size;
2227 codec->block_align= icodec->block_align;
2228 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2229 codec->block_align= 0;
2230 if(codec->codec_id == CODEC_ID_AC3)
2231 codec->block_align= 0;
2232 break;
2233 case AVMEDIA_TYPE_VIDEO:
2234 codec->pix_fmt = icodec->pix_fmt;
2235 codec->width = icodec->width;
2236 codec->height = icodec->height;
2237 codec->has_b_frames = icodec->has_b_frames;
2238 break;
2239 case AVMEDIA_TYPE_SUBTITLE:
2240 codec->width = icodec->width;
2241 codec->height = icodec->height;
2242 break;
2243 default:
2244 abort();
2245 }
2246 } else {
2247 switch(codec->codec_type) {
2248 case AVMEDIA_TYPE_AUDIO:
2249 ost->fifo= av_fifo_alloc(1024);
2250 if(!ost->fifo)
2251 goto fail;
2252 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2253 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2254 icodec->request_channels = codec->channels;
2255 ist->decoding_needed = 1;
2256 ost->encoding_needed = 1;
2257 break;
2258 case AVMEDIA_TYPE_VIDEO:
2259 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2260 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2261 av_exit(1);
2262 }
2263 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2264 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
2265 ost->video_resample = ((codec->width != icodec->width -
2266 (frame_leftBand + frame_rightBand) +
2267 (frame_padleft + frame_padright)) ||
2268 (codec->height != icodec->height -
2269 (frame_topBand + frame_bottomBand) +
2270 (frame_padtop + frame_padbottom)) ||
2271 (codec->pix_fmt != icodec->pix_fmt));
2272 if (ost->video_crop) {
2273 ost->topBand = ost->original_topBand = frame_topBand;
2274 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2275 ost->leftBand = ost->original_leftBand = frame_leftBand;
2276 ost->rightBand = ost->original_rightBand = frame_rightBand;
2277 }
2278 if (ost->video_pad) {
2279 ost->padtop = frame_padtop;
2280 ost->padleft = frame_padleft;
2281 ost->padbottom = frame_padbottom;
2282 ost->padright = frame_padright;
2283 if (!ost->video_resample) {
2284 avcodec_get_frame_defaults(&ost->pict_tmp);
2285 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2286 codec->width, codec->height))
2287 goto fail;
2288 }
2289 }
2290 if (ost->video_resample) {
2291 avcodec_get_frame_defaults(&ost->pict_tmp);
2292 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2293 codec->width, codec->height)) {
2294 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2295 av_exit(1);
2296 }
2297 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2298 ost->img_resample_ctx = sws_getContext(
2299 icodec->width - (frame_leftBand + frame_rightBand),
2300 icodec->height - (frame_topBand + frame_bottomBand),
2301 icodec->pix_fmt,
2302 codec->width - (frame_padleft + frame_padright),
2303 codec->height - (frame_padtop + frame_padbottom),
2304 codec->pix_fmt,
2305 sws_flags, NULL, NULL, NULL);
2306 if (ost->img_resample_ctx == NULL) {
2307 fprintf(stderr, "Cannot get resampling context\n");
2308 av_exit(1);
2309 }
2310
2311 #if !CONFIG_AVFILTER
2312 ost->original_height = icodec->height;
2313 ost->original_width = icodec->width;
2314 #endif
2315 codec->bits_per_raw_sample= 0;
2316 }
2317 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2318 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2319 ost->resample_pix_fmt= icodec->pix_fmt;
2320 ost->encoding_needed = 1;
2321 ist->decoding_needed = 1;
2322
2323 #if CONFIG_AVFILTER
2324 if (configure_filters(ist, ost)) {
2325 fprintf(stderr, "Error opening filters!\n");
2326 exit(1);
2327 }
2328 #endif
2329 break;
2330 case AVMEDIA_TYPE_SUBTITLE:
2331 ost->encoding_needed = 1;
2332 ist->decoding_needed = 1;
2333 break;
2334 default:
2335 abort();
2336 break;
2337 }
2338 /* two pass mode */
2339 if (ost->encoding_needed &&
2340 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2341 char logfilename[1024];
2342 FILE *f;
2343
2344 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2345 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2346 i);
2347 if (codec->flags & CODEC_FLAG_PASS1) {
2348 f = fopen(logfilename, "w");
2349 if (!f) {
2350 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2351 av_exit(1);
2352 }
2353 ost->logfile = f;
2354 } else {
2355 char *logbuffer;
2356 size_t logbuffer_size;
2357 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2358 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2359 av_exit(1);
2360 }
2361 codec->stats_in = logbuffer;
2362 }
2363 }
2364 }
2365 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2366 int size= codec->width * codec->height;
2367 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2368 }
2369 }
2370
2371 if (!bit_buffer)
2372 bit_buffer = av_malloc(bit_buffer_size);
2373 if (!bit_buffer) {
2374 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2375 bit_buffer_size);
2376 ret = AVERROR(ENOMEM);
2377 goto fail;
2378 }
2379
2380 /* open each encoder */
2381 for(i=0;i<nb_ostreams;i++) {
2382 ost = ost_table[i];
2383 if (ost->encoding_needed) {
2384 AVCodec *codec = output_codecs[i];
2385 if (!codec)
2386 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2387 if (!codec) {
2388 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2389 ost->st->codec->codec_id, ost->file_index, ost->index);
2390 ret = AVERROR(EINVAL);
2391 goto dump_format;
2392 }
2393 if (avcodec_open(ost->st->codec, codec) < 0) {
2394 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2395 ost->file_index, ost->index);
2396 ret = AVERROR(EINVAL);
2397 goto dump_format;
2398 }
2399 extra_size += ost->st->codec->extradata_size;
2400 }
2401 }
2402
2403 /* open each decoder */
2404 for(i=0;i<nb_istreams;i++) {
2405 ist = ist_table[i];
2406 if (ist->decoding_needed) {
2407 AVCodec *codec = input_codecs[i];
2408 if (!codec)
2409 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2410 if (!codec) {
2411 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2412 ist->st->codec->codec_id, ist->file_index, ist->index);
2413 ret = AVERROR(EINVAL);
2414 goto dump_format;
2415 }
2416 if (avcodec_open(ist->st->codec, codec) < 0) {
2417 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2418 ist->file_index, ist->index);
2419 ret = AVERROR(EINVAL);
2420 goto dump_format;
2421 }
2422 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2423 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2424 }
2425 }
2426
2427 /* init pts */
2428 for(i=0;i<nb_istreams;i++) {
2429 AVStream *st;
2430 ist = ist_table[i];
2431 st= ist->st;
2432 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2433 ist->next_pts = AV_NOPTS_VALUE;
2434 ist->is_start = 1;
2435 }
2436
2437 /* set meta data information from input file if required */
2438 for (i=0;i<nb_meta_data_maps;i++) {
2439 AVFormatContext *out_file;
2440 AVFormatContext *in_file;
2441 AVMetadataTag *mtag;
2442
2443 int out_file_index = meta_data_maps[i].out_file;
2444 int in_file_index = meta_data_maps[i].in_file;
2445 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2446 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2447 out_file_index, out_file_index, in_file_index);
2448 ret = AVERROR(EINVAL);
2449 goto dump_format;
2450 }
2451 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2452 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2453 in_file_index, out_file_index, in_file_index);
2454 ret = AVERROR(EINVAL);
2455 goto dump_format;
2456 }
2457
2458 out_file = output_files[out_file_index];
2459 in_file = input_files[in_file_index];
2460
2461
2462 mtag=NULL;
2463 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2464 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2465 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2466 in_file->iformat->metadata_conv);
2467 }
2468
2469 /* copy chapters from the first input file that has them*/
2470 for (i = 0; i < nb_input_files; i++) {
2471 if (!input_files[i]->nb_chapters)
2472 continue;
2473
2474 for (j = 0; j < nb_output_files; j++)
2475 if ((ret = copy_chapters(i, j)) < 0)
2476 goto dump_format;
2477 }
2478
2479 /* open files and write file headers */
2480 for(i=0;i<nb_output_files;i++) {
2481 os = output_files[i];
2482 if (av_write_header(os) < 0) {
2483 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2484 ret = AVERROR(EINVAL);
2485 goto dump_format;
2486 }
2487 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2488 want_sdp = 0;
2489 }
2490 }
2491
2492 dump_format:
2493 /* dump the file output parameters - cannot be done before in case
2494 of stream copy */
2495 for(i=0;i<nb_output_files;i++) {
2496 dump_format(output_files[i], i, output_files[i]->filename, 1);
2497 }
2498
2499 /* dump the stream mapping */
2500 if (verbose >= 0) {
2501 fprintf(stderr, "Stream mapping:\n");
2502 for(i=0;i<nb_ostreams;i++) {
2503 ost = ost_table[i];
2504 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2505 ist_table[ost->source_index]->file_index,
2506 ist_table[ost->source_index]->index,
2507 ost->file_index,
2508 ost->index);
2509 if (ost->sync_ist != ist_table[ost->source_index])
2510 fprintf(stderr, " [sync #%d.%d]",
2511 ost->sync_ist->file_index,
2512 ost->sync_ist->index);
2513 fprintf(stderr, "\n");
2514 }
2515 }
2516
2517 if (ret) {
2518 fprintf(stderr, "%s\n", error);
2519 goto fail;
2520 }
2521
2522 if (want_sdp) {
2523 print_sdp(output_files, nb_output_files);
2524 }
2525
2526 if (!using_stdin && verbose >= 0) {
2527 fprintf(stderr, "Press [q] to stop encoding\n");
2528 url_set_interrupt_cb(decode_interrupt_cb);
2529 }
2530 term_init();
2531
2532 timer_start = av_gettime();
2533
2534 for(; received_sigterm == 0;) {
2535 int file_index, ist_index;
2536 AVPacket pkt;
2537 double ipts_min;
2538 double opts_min;
2539
2540 redo:
2541 ipts_min= 1e100;
2542 opts_min= 1e100;
2543 /* if 'q' pressed, exits */
2544 if (!using_stdin) {
2545 if (q_pressed)
2546 break;
2547 /* read_key() returns 0 on EOF */
2548 key = read_key();
2549 if (key == 'q')
2550 break;
2551 }
2552
2553 /* select the stream that we must read now by looking at the
2554 smallest output pts */
2555 file_index = -1;
2556 for(i=0;i<nb_ostreams;i++) {
2557 double ipts, opts;
2558 ost = ost_table[i];
2559 os = output_files[ost->file_index];
2560 ist = ist_table[ost->source_index];
2561 if(ist->is_past_recording_time || no_packet[ist->file_index])
2562 continue;
2563 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2564 ipts = (double)ist->pts;
2565 if (!file_table[ist->file_index].eof_reached){
2566 if(ipts < ipts_min) {
2567 ipts_min = ipts;
2568 if(input_sync ) file_index = ist->file_index;
2569 }
2570 if(opts < opts_min) {
2571 opts_min = opts;
2572 if(!input_sync) file_index = ist->file_index;
2573 }
2574 }
2575 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2576 file_index= -1;
2577 break;
2578 }
2579 }
2580 /* if none, if is finished */
2581 if (file_index < 0) {
2582 if(no_packet_count){
2583 no_packet_count=0;
2584 memset(no_packet, 0, sizeof(no_packet));
2585 usleep(10000);
2586 continue;
2587 }
2588 break;
2589 }
2590
2591 /* finish if limit size exhausted */
2592 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2593 break;
2594
2595 /* read a frame from it and output it in the fifo */
2596 is = input_files[file_index];
2597 ret= av_read_frame(is, &pkt);
2598 if(ret == AVERROR(EAGAIN)){
2599 no_packet[file_index]=1;
2600 no_packet_count++;
2601 continue;
2602 }
2603 if (ret < 0) {
2604 file_table[file_index].eof_reached = 1;
2605 if (opt_shortest)
2606 break;
2607 else
2608 continue;
2609 }
2610
2611 no_packet_count=0;
2612 memset(no_packet, 0, sizeof(no_packet));
2613
2614 if (do_pkt_dump) {
2615 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2616 }
2617 /* the following test is needed in case new streams appear
2618 dynamically in stream : we ignore them */
2619 if (pkt.stream_index >= file_table[file_index].nb_streams)
2620 goto discard_packet;
2621 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2622 ist = ist_table[ist_index];
2623 if (ist->discard)
2624 goto discard_packet;
2625
2626 if (pkt.dts != AV_NOPTS_VALUE)
2627 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2628 if (pkt.pts != AV_NOPTS_VALUE)
2629 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2630
2631 if(input_files_ts_scale[file_index][pkt.stream_index]){
2632 if(pkt.pts != AV_NOPTS_VALUE)
2633 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2634 if(pkt.dts != AV_NOPTS_VALUE)
2635 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2636 }
2637
2638 // 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);
2639 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2640 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2641 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2642 int64_t delta= pkt_dts - ist->next_pts;
2643 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2644 input_files_ts_offset[ist->file_index]-= delta;
2645 if (verbose > 2)
2646 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2647 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2648 if(pkt.pts != AV_NOPTS_VALUE)
2649 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2650 }
2651 }
2652
2653 /* finish if recording time exhausted */
2654 if (recording_time != INT64_MAX &&
2655 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2656 ist->is_past_recording_time = 1;
2657 goto discard_packet;
2658 }
2659
2660 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2661 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2662
2663 if (verbose >= 0)
2664 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2665 ist->file_index, ist->index);
2666 if (exit_on_error)
2667 av_exit(1);
2668 av_free_packet(&pkt);
2669 goto redo;
2670 }
2671
2672 discard_packet:
2673 av_free_packet(&pkt);
2674
2675 /* dump report by using the output first video and audio streams */
2676 print_report(output_files, ost_table, nb_ostreams, 0);
2677 }
2678
2679 /* at the end of stream, we must flush the decoder buffers */
2680 for(i=0;i<nb_istreams;i++) {
2681 ist = ist_table[i];
2682 if (ist->decoding_needed) {
2683 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2684 }
2685 }
2686
2687 term_exit();
2688
2689 /* write the trailer if needed and close file */
2690 for(i=0;i<nb_output_files;i++) {
2691 os = output_files[i];
2692 av_write_trailer(os);
2693 }
2694
2695 /* dump report by using the first video and audio streams */
2696 print_report(output_files, ost_table, nb_ostreams, 1);
2697
2698 /* close each encoder */
2699 for(i=0;i<nb_ostreams;i++) {
2700 ost = ost_table[i];
2701 if (ost->encoding_needed) {
2702 av_freep(&ost->st->codec->stats_in);
2703 avcodec_close(ost->st->codec);
2704 }
2705 }
2706
2707 /* close each decoder */
2708 for(i=0;i<nb_istreams;i++) {
2709 ist = ist_table[i];
2710 if (ist->decoding_needed) {
2711 avcodec_close(ist->st->codec);
2712 }
2713 }
2714 #if CONFIG_AVFILTER
2715 if (filt_graph_all) {
2716 avfilter_graph_destroy(filt_graph_all);
2717 av_freep(&filt_graph_all);
2718 }
2719 #endif
2720
2721 /* finished ! */
2722 ret = 0;
2723
2724 fail:
2725 av_freep(&bit_buffer);
2726 av_free(file_table);
2727
2728 if (ist_table) {
2729 for(i=0;i<nb_istreams;i++) {
2730 ist = ist_table[i];
2731 av_free(ist);
2732 }
2733 av_free(ist_table);
2734 }
2735 if (ost_table) {
2736 for(i=0;i<nb_ostreams;i++) {
2737 ost = ost_table[i];
2738 if (ost) {
2739 if (ost->logfile) {
2740 fclose(ost->logfile);
2741 ost->logfile = NULL;
2742 }
2743 av_fifo_free(ost->fifo); /* works even if fifo is not
2744 initialized but set to zero */
2745 av_free(ost->pict_tmp.data[0]);
2746 if (ost->video_resample)
2747 sws_freeContext(ost->img_resample_ctx);
2748 if (ost->resample)
2749 audio_resample_close(ost->resample);
2750 if (ost->reformat_ctx)
2751 av_audio_convert_free(ost->reformat_ctx);
2752 av_free(ost);
2753 }
2754 }
2755 av_free(ost_table);
2756 }
2757 return ret;
2758 }
2759
2760 static void opt_format(const char *arg)
2761 {
2762 /* compatibility stuff for pgmyuv */
2763 if (!strcmp(arg, "pgmyuv")) {
2764 pgmyuv_compatibility_hack=1;
2765 // opt_image_format(arg);
2766 arg = "image2";
2767 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2768 }
2769
2770 last_asked_format = arg;
2771 }
2772
2773 static void opt_video_rc_override_string(const char *arg)
2774 {
2775 video_rc_override_string = arg;
2776 }
2777
2778 static int opt_me_threshold(const char *opt, const char *arg)
2779 {
2780 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2781 return 0;
2782 }
2783
2784 static int opt_verbose(const char *opt, const char *arg)
2785 {
2786 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2787 return 0;
2788 }
2789
2790 static int opt_frame_rate(const char *opt, const char *arg)
2791 {
2792 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2793 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2794 av_exit(1);
2795 }
2796 return 0;
2797 }
2798
2799 static int opt_bitrate(const char *opt, const char *arg)
2800 {
2801 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2802
2803 opt_default(opt, arg);
2804
2805 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2806 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2807
2808 return 0;
2809 }
2810
2811 static void opt_frame_crop_top(const char *arg)
2812 {
2813 frame_topBand = atoi(arg);
2814 if (frame_topBand < 0) {
2815 fprintf(stderr, "Incorrect top crop size\n");
2816 av_exit(1);
2817 }
2818 if ((frame_topBand) >= frame_height){
2819 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2820 av_exit(1);
2821 }
2822 frame_height -= frame_topBand;
2823 }
2824
2825 static void opt_frame_crop_bottom(const char *arg)
2826 {
2827 frame_bottomBand = atoi(arg);
2828 if (frame_bottomBand < 0) {
2829 fprintf(stderr, "Incorrect bottom crop size\n");
2830 av_exit(1);
2831 }
2832 if ((frame_bottomBand) >= frame_height){
2833 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2834 av_exit(1);
2835 }
2836 frame_height -= frame_bottomBand;
2837 }
2838
2839 static void opt_frame_crop_left(const char *arg)
2840 {
2841 frame_leftBand = atoi(arg);
2842 if (frame_leftBand < 0) {
2843 fprintf(stderr, "Incorrect left crop size\n");
2844 av_exit(1);
2845 }
2846 if ((frame_leftBand) >= frame_width){
2847 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2848 av_exit(1);
2849 }
2850 frame_width -= frame_leftBand;
2851 }
2852
2853 static void opt_frame_crop_right(const char *arg)
2854 {
2855 frame_rightBand = atoi(arg);
2856 if (frame_rightBand < 0) {
2857 fprintf(stderr, "Incorrect right crop size\n");
2858 av_exit(1);
2859 }
2860 if ((frame_rightBand) >= frame_width){
2861 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2862 av_exit(1);
2863 }
2864 frame_width -= frame_rightBand;
2865 }
2866
2867 static void opt_frame_size(const char *arg)
2868 {
2869 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2870 fprintf(stderr, "Incorrect frame size\n");
2871 av_exit(1);
2872 }
2873 }
2874
2875 static void opt_pad_color(const char *arg) {
2876 /* Input is expected to be six hex digits similar to
2877 how colors are expressed in html tags (but without the #) */
2878 int rgb = strtol(arg, NULL, 16);
2879 int r,g,b;
2880
2881 r = (rgb >> 16);
2882 g = ((rgb >> 8) & 255);
2883 b = (rgb & 255);
2884
2885 padcolor[0] = RGB_TO_Y(r,g,b);
2886 padcolor[1] = RGB_TO_U(r,g,b,0);
2887 padcolor[2] = RGB_TO_V(r,g,b,0);
2888 }
2889
2890 static void opt_frame_pad_top(const char *arg)
2891 {
2892 frame_padtop = atoi(arg);
2893 if (frame_padtop < 0) {
2894 fprintf(stderr, "Incorrect top pad size\n");
2895 av_exit(1);
2896 }
2897 }
2898
2899 static void opt_frame_pad_bottom(const char *arg)
2900 {
2901 frame_padbottom = atoi(arg);
2902 if (frame_padbottom < 0) {
2903 fprintf(stderr, "Incorrect bottom pad size\n");
2904 av_exit(1);
2905 }
2906 }
2907
2908
2909 static void opt_frame_pad_left(const char *arg)
2910 {
2911 frame_padleft = atoi(arg);
2912 if (frame_padleft < 0) {
2913 fprintf(stderr, "Incorrect left pad size\n");
2914 av_exit(1);
2915 }
2916 }
2917
2918
2919 static void opt_frame_pad_right(const char *arg)
2920 {
2921 frame_padright = atoi(arg);
2922 if (frame_padright < 0) {
2923 fprintf(stderr, "Incorrect right pad size\n");
2924 av_exit(1);
2925 }
2926 }
2927
2928 static void opt_frame_pix_fmt(const char *arg)
2929 {
2930 if (strcmp(arg, "list")) {
2931 frame_pix_fmt = av_get_pix_fmt(arg);
2932 if (frame_pix_fmt == PIX_FMT_NONE) {
2933 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2934 av_exit(1);
2935 }
2936 } else {
2937 show_pix_fmts();
2938 av_exit(0);
2939 }
2940 }
2941
2942 static void opt_frame_aspect_ratio(const char *arg)
2943 {
2944 int x = 0, y = 0;
2945 double ar = 0;
2946 const char *p;
2947 char *end;
2948
2949 p = strchr(arg, ':');
2950 if (p) {
2951 x = strtol(arg, &end, 10);
2952 if (end == p)
2953 y = strtol(end+1, &end, 10);
2954 if (x > 0 && y > 0)
2955 ar = (double)x / (double)y;
2956 } else
2957 ar = strtod(arg, NULL);
2958
2959 if (!ar) {
2960 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2961 av_exit(1);
2962 }
2963 frame_aspect_ratio = ar;
2964 }
2965
2966 static int opt_metadata(const char *opt, const char *arg)
2967 {
2968 char *mid= strchr(arg, '=');
2969
2970 if(!mid){
2971 fprintf(stderr, "Missing =\n");
2972 av_exit(1);
2973 }
2974 *mid++= 0;
2975
2976 metadata_count++;
2977 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2978 metadata[metadata_count-1].key = av_strdup(arg);
2979 metadata[metadata_count-1].value= av_strdup(mid);
2980
2981 return 0;
2982 }
2983
2984 static void opt_qscale(const char *arg)
2985 {
2986 video_qscale = atof(arg);
2987 if (video_qscale <= 0 ||
2988 video_qscale > 255) {
2989 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2990 av_exit(1);
2991 }
2992 }
2993
2994 static void opt_top_field_first(const char *arg)
2995 {
2996 top_field_first= atoi(arg);
2997 }
2998
2999 static int opt_thread_count(const char *opt, const char *arg)
3000 {
3001 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3002 #if !HAVE_THREADS
3003 if (verbose >= 0)
3004 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3005 #endif
3006 return 0;
3007 }
3008
3009 static void opt_audio_sample_fmt(const char *arg)
3010 {
3011 if (strcmp(arg, "list"))
3012 audio_sample_fmt = avcodec_get_sample_fmt(arg);
3013 else {
3014 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
3015 av_exit(0);
3016 }
3017 }
3018
3019 static int opt_audio_rate(const char *opt, const char *arg)
3020 {
3021 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3022 return 0;
3023 }
3024
3025 static int opt_audio_channels(const char *opt, const char *arg)
3026 {
3027 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3028 return 0;
3029 }
3030
3031 static void opt_video_channel(const char *arg)
3032 {
3033 video_channel = strtol(arg, NULL, 0);
3034 }
3035
3036 static void opt_video_standard(const char *arg)
3037 {
3038 video_standard = av_strdup(arg);
3039 }
3040
3041 static void opt_codec(int *pstream_copy, char **pcodec_name,
3042 int codec_type, const char *arg)
3043 {
3044 av_freep(pcodec_name);
3045 if (!strcmp(arg, "copy")) {
3046 *pstream_copy = 1;
3047 } else {
3048 *pcodec_name = av_strdup(arg);
3049 }
3050 }
3051
3052 static void opt_audio_codec(const char *arg)
3053 {
3054 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3055 }
3056
3057 static void opt_audio_tag(const char *arg)
3058 {
3059 char *tail;
3060 audio_codec_tag= strtol(arg, &tail, 0);
3061
3062 if(!tail || *tail)
3063 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3064 }
3065
3066 static void opt_video_tag(const char *arg)
3067 {
3068 char *tail;
3069 video_codec_tag= strtol(arg, &tail, 0);
3070
3071 if(!tail || *tail)
3072 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3073 }
3074
3075 static void opt_video_codec(const char *arg)
3076 {
3077 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3078 }
3079
3080 static void opt_subtitle_codec(const char *arg)
3081 {
3082 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3083 }
3084
3085 static void opt_subtitle_tag(const char *arg)
3086 {
3087 char *tail;
3088 subtitle_codec_tag= strtol(arg, &tail, 0);
3089
3090 if(!tail || *tail)
3091 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
3092 }
3093
3094 static void opt_map(const char *arg)
3095 {
3096 AVStreamMap *m;
3097 char *p;
3098
3099 m = &stream_maps[nb_stream_maps++];
3100
3101 m->file_index = strtol(arg, &p, 0);
3102 if (*p)
3103 p++;
3104
3105 m->stream_index = strtol(p, &p, 0);
3106 if (*p) {
3107 p++;
3108 m->sync_file_index = strtol(p, &p, 0);
3109 if (*p)
3110 p++;
3111 m->sync_stream_index = strtol(p, &p, 0);
3112 } else {
3113 m->sync_file_index = m->file_index;
3114 m->sync_stream_index = m->stream_index;
3115 }
3116 }
3117
3118 static void opt_map_meta_data(const char *arg)
3119 {
3120 AVMetaDataMap *m;
3121 char *p;
3122
3123 m = &meta_data_maps[nb_meta_data_maps++];
3124
3125 m->out_file = strtol(arg, &p, 0);
3126 if (*p)
3127 p++;
3128
3129 m->in_file = strtol(p, &p, 0);
3130 }
3131
3132 static void opt_input_ts_scale(const char *arg)
3133 {
3134 unsigned int stream;
3135 double scale;
3136 char *p;
3137
3138 stream = strtol(arg, &p, 0);
3139 if (*p)
3140 p++;
3141 scale= strtod(p, &p);
3142
3143 if(stream >= MAX_STREAMS)
3144 av_exit(1);
3145
3146 input_files_ts_scale[nb_input_files][stream]= scale;
3147 }
3148
3149 static int opt_recording_time(const char *opt, const char *arg)
3150 {
3151 recording_time = parse_time_or_die(opt, arg, 1);
3152 return 0;
3153 }
3154
3155 static int opt_start_time(const char *opt, const char *arg)
3156 {
3157 start_time = parse_time_or_die(opt, arg, 1);
3158 return 0;
3159 }
3160
3161 static int opt_rec_timestamp(const char *opt, const char *arg)
3162 {
3163 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3164 return 0;
3165 }
3166
3167 static int opt_input_ts_offset(const char *opt, const char *arg)
3168 {
3169 input_ts_offset = parse_time_or_die(opt, arg, 1);
3170 return 0;
3171 }
3172
3173 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
3174 {
3175 const char *codec_string = encoder ? "encoder" : "decoder";
3176 AVCodec *codec;
3177
3178 if(!name)
3179 return CODEC_ID_NONE;
3180 codec = encoder ?
3181 avcodec_find_encoder_by_name(name) :
3182 avcodec_find_decoder_by_name(name);
3183 if(!codec) {
3184 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3185 av_exit(1);
3186 }
3187 if(codec->type != type) {
3188 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3189 av_exit(1);
3190 }
3191 return codec->id;
3192 }
3193
3194 static void opt_input_file(const char *filename)