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