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