Factorize common commandline options definition.
[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/avstring.h"
42 #include "libavformat/os_support.h"
43
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
48 #include <windows.h>
49 #endif
50
51 #if HAVE_SYS_SELECT_H
52 #include <sys/select.h>
53 #endif
54
55 #if HAVE_TERMIOS_H
56 #include <fcntl.h>
57 #include <sys/ioctl.h>
58 #include <sys/time.h>
59 #include <termios.h>
60 #elif HAVE_CONIO_H
61 #include <conio.h>
62 #endif
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
64 #include <time.h>
65
66 #include "cmdutils.h"
67
68 #undef NDEBUG
69 #include <assert.h>
70
71 #undef exit
72
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
75
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
78 int file_index;
79 int stream_index;
80 int sync_file_index;
81 int sync_stream_index;
82 } AVStreamMap;
83
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
86 int out_file;
87 int in_file;
88 } AVMetaDataMap;
89
90 static const OptionDef options[];
91
92 #define MAX_FILES 20
93
94 static char *last_asked_format = NULL;
95 static AVFormatContext *input_files[MAX_FILES];
96 static int64_t input_files_ts_offset[MAX_FILES];
97 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
98 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
99 static int nb_input_files = 0;
100 static int nb_icodecs;
101
102 static AVFormatContext *output_files[MAX_FILES];
103 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
104 static int nb_output_files = 0;
105 static int nb_ocodecs;
106
107 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
108 static int nb_stream_maps;
109
110 static AVMetaDataMap meta_data_maps[MAX_FILES];
111 static int nb_meta_data_maps;
112
113 static int frame_width = 0;
114 static int frame_height = 0;
115 static float frame_aspect_ratio = 0;
116 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 static int frame_padtop = 0;
119 static int frame_padbottom = 0;
120 static int frame_padleft = 0;
121 static int frame_padright = 0;
122 static int padcolor[3] = {16,128,128}; /* default to black */
123 static int frame_topBand = 0;
124 static int frame_bottomBand = 0;
125 static int frame_leftBand = 0;
126 static int frame_rightBand = 0;
127 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 static AVRational frame_rate;
129 static float video_qscale = 0;
130 static uint16_t *intra_matrix = NULL;
131 static uint16_t *inter_matrix = NULL;
132 static const char *video_rc_override_string=NULL;
133 static int video_disable = 0;
134 static int video_discard = 0;
135 static char *video_codec_name = NULL;
136 static int video_codec_tag = 0;
137 static int same_quality = 0;
138 static int do_deinterlace = 0;
139 static int top_field_first = -1;
140 static int me_threshold = 0;
141 static int intra_dc_precision = 8;
142 static int loop_input = 0;
143 static int loop_output = AVFMT_NOOUTPUTLOOP;
144 static int qp_hist = 0;
145
146 static int intra_only = 0;
147 static int audio_sample_rate = 44100;
148 static int64_t channel_layout = 0;
149 #define QSCALE_NONE -99999
150 static float audio_qscale = QSCALE_NONE;
151 static int audio_disable = 0;
152 static int audio_channels = 1;
153 static char *audio_codec_name = NULL;
154 static int audio_codec_tag = 0;
155 static char *audio_language = NULL;
156
157 static int subtitle_disable = 0;
158 static char *subtitle_codec_name = NULL;
159 static char *subtitle_language = NULL;
160 static int subtitle_codec_tag = 0;
161
162 static float mux_preload= 0.5;
163 static float mux_max_delay= 0.7;
164
165 static int64_t recording_time = INT64_MAX;
166 static int64_t start_time = 0;
167 static int64_t rec_timestamp = 0;
168 static int64_t input_ts_offset = 0;
169 static int file_overwrite = 0;
170 static int metadata_count;
171 static AVMetadataTag *metadata;
172 static int do_benchmark = 0;
173 static int do_hex_dump = 0;
174 static int do_pkt_dump = 0;
175 static int do_psnr = 0;
176 static int do_pass = 0;
177 static char *pass_logfilename_prefix = NULL;
178 static int audio_stream_copy = 0;
179 static int video_stream_copy = 0;
180 static int subtitle_stream_copy = 0;
181 static int video_sync_method= -1;
182 static int audio_sync_method= 0;
183 static float audio_drift_threshold= 0.1;
184 static int copy_ts= 0;
185 static int opt_shortest = 0;
186 static int video_global_header = 0;
187 static char *vstats_filename;
188 static FILE *vstats_file;
189 static int opt_programid = 0;
190 static int copy_initial_nonkeyframes = 0;
191
192 static int rate_emu = 0;
193
194 static int video_channel = 0;
195 static char *video_standard;
196
197 static int audio_volume = 256;
198
199 static int exit_on_error = 0;
200 static int using_stdin = 0;
201 static int verbose = 1;
202 static int thread_count= 1;
203 static int q_pressed = 0;
204 static int64_t video_size = 0;
205 static int64_t audio_size = 0;
206 static int64_t extra_size = 0;
207 static int nb_frames_dup = 0;
208 static int nb_frames_drop = 0;
209 static int input_sync;
210 static uint64_t limit_filesize = 0;
211 static int force_fps = 0;
212
213 static int pgmyuv_compatibility_hack=0;
214 static float dts_delta_threshold = 10;
215
216 static unsigned int sws_flags = SWS_BICUBIC;
217
218 static int64_t timer_start;
219
220 static uint8_t *audio_buf;
221 static uint8_t *audio_out;
222 static uint8_t *audio_out2;
223
224 static short *samples;
225
226 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
227 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
230
231 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
232
233 struct AVInputStream;
234
235 typedef struct AVOutputStream {
236 int file_index; /* file index */
237 int index; /* stream index in the output file */
238 int source_index; /* AVInputStream index */
239 AVStream *st; /* stream in the output file */
240 int encoding_needed; /* true if encoding needed for this stream */
241 int frame_number;
242 /* input pts and corresponding output pts
243 for A/V sync */
244 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
245 struct AVInputStream *sync_ist; /* input stream to sync against */
246 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
247 /* video only */
248 int video_resample;
249 AVFrame pict_tmp; /* temporary image for resampling */
250 struct SwsContext *img_resample_ctx; /* for image resampling */
251 int resample_height;
252 int resample_width;
253 int resample_pix_fmt;
254
255 /* full frame size of first frame */
256 int original_height;
257 int original_width;
258
259 /* cropping area sizes */
260 int video_crop;
261 int topBand;
262 int bottomBand;
263 int leftBand;
264 int rightBand;
265
266 /* cropping area of first frame */
267 int original_topBand;
268 int original_bottomBand;
269 int original_leftBand;
270 int original_rightBand;
271
272 /* padding area sizes */
273 int video_pad;
274 int padtop;
275 int padbottom;
276 int padleft;
277 int padright;
278
279 /* audio only */
280 int audio_resample;
281 ReSampleContext *resample; /* for audio resampling */
282 int reformat_pair;
283 AVAudioConvert *reformat_ctx;
284 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
285 FILE *logfile;
286 } AVOutputStream;
287
288 typedef struct AVInputStream {
289 int file_index;
290 int index;
291 AVStream *st;
292 int discard; /* true if stream data should be discarded */
293 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
294 int64_t sample_index; /* current sample */
295
296 int64_t start; /* time when read started */
297 int64_t next_pts; /* synthetic pts for cases where pkt.pts
298 is not defined */
299 int64_t pts; /* current pts */
300 int is_start; /* is 1 at the start and after a discontinuity */
301 } AVInputStream;
302
303 typedef struct AVInputFile {
304 int eof_reached; /* true if eof reached */
305 int ist_index; /* index of first stream in ist_table */
306 int buffer_size; /* current total buffer size */
307 int nb_streams; /* nb streams we are aware of */
308 } AVInputFile;
309
310 #if HAVE_TERMIOS_H
311
312 /* init terminal so that we can grab keys */
313 static struct termios oldtty;
314 #endif
315
316 static void term_exit(void)
317 {
318 #if HAVE_TERMIOS_H
319 tcsetattr (0, TCSANOW, &oldtty);
320 #endif
321 }
322
323 static volatile int received_sigterm = 0;
324
325 static void
326 sigterm_handler(int sig)
327 {
328 received_sigterm = sig;
329 term_exit();
330 }
331
332 static void term_init(void)
333 {
334 #if HAVE_TERMIOS_H
335 struct termios tty;
336
337 tcgetattr (0, &tty);
338 oldtty = tty;
339
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
345 tty.c_cflag |= CS8;
346 tty.c_cc[VMIN] = 1;
347 tty.c_cc[VTIME] = 0;
348
349 tcsetattr (0, TCSANOW, &tty);
350 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
351 #endif
352
353 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
354 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
355 /*
356 register a function to be called at normal program termination
357 */
358 atexit(term_exit);
359 #if CONFIG_BEOS_NETSERVER
360 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
361 #endif
362 }
363
364 /* read a key without blocking */
365 static int read_key(void)
366 {
367 #if HAVE_TERMIOS_H
368 int n = 1;
369 unsigned char ch;
370 #if !CONFIG_BEOS_NETSERVER
371 struct timeval tv;
372 fd_set rfds;
373
374 FD_ZERO(&rfds);
375 FD_SET(0, &rfds);
376 tv.tv_sec = 0;
377 tv.tv_usec = 0;
378 n = select(1, &rfds, NULL, NULL, &tv);
379 #endif
380 if (n > 0) {
381 n = read(0, &ch, 1);
382 if (n == 1)
383 return ch;
384
385 return n;
386 }
387 #elif HAVE_CONIO_H
388 if(kbhit())
389 return(getch());
390 #endif
391 return -1;
392 }
393
394 static int decode_interrupt_cb(void)
395 {
396 return q_pressed || (q_pressed = read_key() == 'q');
397 }
398
399 static int av_exit(int ret)
400 {
401 int i;
402
403 /* close files */
404 for(i=0;i<nb_output_files;i++) {
405 /* maybe av_close_output_file ??? */
406 AVFormatContext *s = output_files[i];
407 int j;
408 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
409 url_fclose(s->pb);
410 for(j=0;j<s->nb_streams;j++) {
411 av_metadata_free(&s->streams[j]->metadata);
412 av_free(s->streams[j]->codec);
413 av_free(s->streams[j]);
414 }
415 for(j=0;j<s->nb_programs;j++) {
416 av_metadata_free(&s->programs[j]->metadata);
417 }
418 for(j=0;j<s->nb_chapters;j++) {
419 av_metadata_free(&s->chapters[j]->metadata);
420 }
421 av_metadata_free(&s->metadata);
422 av_free(s);
423 }
424 for(i=0;i<nb_input_files;i++)
425 av_close_input_file(input_files[i]);
426
427 av_free(intra_matrix);
428 av_free(inter_matrix);
429
430 if (vstats_file)
431 fclose(vstats_file);
432 av_free(vstats_filename);
433
434 av_free(opt_names);
435
436 av_free(video_codec_name);
437 av_free(audio_codec_name);
438 av_free(subtitle_codec_name);
439
440 av_free(video_standard);
441
442 #if CONFIG_POWERPC_PERF
443 void powerpc_display_perf_report(void);
444 powerpc_display_perf_report();
445 #endif /* CONFIG_POWERPC_PERF */
446
447 for (i=0;i<CODEC_TYPE_NB;i++)
448 av_free(avcodec_opts[i]);
449 av_free(avformat_opts);
450 av_free(sws_opts);
451 av_free(audio_buf);
452 av_free(audio_out);
453 av_free(audio_out2);
454 av_free(samples);
455
456 if (received_sigterm) {
457 fprintf(stderr,
458 "Received signal %d: terminating.\n",
459 (int) received_sigterm);
460 exit (255);
461 }
462
463 exit(ret); /* not all OS-es handle main() return value */
464 return ret;
465 }
466
467 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
468 {
469 int i, err;
470 AVFormatContext *ic;
471 int nopts = 0;
472
473 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
474 if (err < 0)
475 return err;
476 /* copy stream format */
477 s->nb_streams = ic->nb_streams;
478 for(i=0;i<ic->nb_streams;i++) {
479 AVStream *st;
480
481 // FIXME: a more elegant solution is needed
482 st = av_mallocz(sizeof(AVStream));
483 memcpy(st, ic->streams[i], sizeof(AVStream));
484 st->codec = avcodec_alloc_context();
485 if (!st->codec) {
486 print_error(filename, AVERROR(ENOMEM));
487 av_exit(1);
488 }
489 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
490 s->streams[i] = st;
491
492 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
493 st->stream_copy = 1;
494 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
495 st->stream_copy = 1;
496
497 if(!st->codec->thread_count)
498 st->codec->thread_count = 1;
499 if(st->codec->thread_count>1)
500 avcodec_thread_init(st->codec, st->codec->thread_count);
501
502 if(st->codec->flags & CODEC_FLAG_BITEXACT)
503 nopts = 1;
504 }
505
506 if (!nopts)
507 s->timestamp = av_gettime();
508
509 av_close_input_file(ic);
510 return 0;
511 }
512
513 static double
514 get_sync_ipts(const AVOutputStream *ost)
515 {
516 const AVInputStream *ist = ost->sync_ist;
517 return (double)(ist->pts - start_time)/AV_TIME_BASE;
518 }
519
520 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
521 int ret;
522
523 while(bsfc){
524 AVPacket new_pkt= *pkt;
525 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
526 &new_pkt.data, &new_pkt.size,
527 pkt->data, pkt->size,
528 pkt->flags & PKT_FLAG_KEY);
529 if(a>0){
530 av_free_packet(pkt);
531 new_pkt.destruct= av_destruct_packet;
532 } else if(a<0){
533 fprintf(stderr, "%s failed for stream %d, codec %s",
534 bsfc->filter->name, pkt->stream_index,
535 avctx->codec ? avctx->codec->name : "copy");
536 print_error("", a);
537 if (exit_on_error)
538 av_exit(1);
539 }
540 *pkt= new_pkt;
541
542 bsfc= bsfc->next;
543 }
544
545 ret= av_interleaved_write_frame(s, pkt);
546 if(ret < 0){
547 print_error("av_interleaved_write_frame()", ret);
548 av_exit(1);
549 }
550 }
551
552 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
553
554 static void do_audio_out(AVFormatContext *s,
555 AVOutputStream *ost,
556 AVInputStream *ist,
557 unsigned char *buf, int size)
558 {
559 uint8_t *buftmp;
560 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
561
562 int size_out, frame_bytes, ret;
563 AVCodecContext *enc= ost->st->codec;
564 AVCodecContext *dec= ist->st->codec;
565 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
566 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
567
568 /* SC: dynamic allocation of buffers */
569 if (!audio_buf)
570 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
571 if (!audio_out)
572 audio_out = av_malloc(audio_out_size);
573 if (!audio_buf || !audio_out)
574 return; /* Should signal an error ! */
575
576 if (enc->channels != dec->channels)
577 ost->audio_resample = 1;
578
579 if (ost->audio_resample && !ost->resample) {
580 if (dec->sample_fmt != SAMPLE_FMT_S16)
581 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
582 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
583 enc->sample_rate, dec->sample_rate,
584 enc->sample_fmt, dec->sample_fmt,
585 16, 10, 0, 0.8);
586 if (!ost->resample) {
587 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
588 dec->channels, dec->sample_rate,
589 enc->channels, enc->sample_rate);
590 av_exit(1);
591 }
592 }
593
594 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
595 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
596 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
597 if (!audio_out2)
598 audio_out2 = av_malloc(audio_out_size);
599 if (!audio_out2)
600 av_exit(1);
601 if (ost->reformat_ctx)
602 av_audio_convert_free(ost->reformat_ctx);
603 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
604 dec->sample_fmt, 1, NULL, 0);
605 if (!ost->reformat_ctx) {
606 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
607 avcodec_get_sample_fmt_name(dec->sample_fmt),
608 avcodec_get_sample_fmt_name(enc->sample_fmt));
609 av_exit(1);
610 }
611 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
612 }
613
614 if(audio_sync_method){
615 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
616 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
617 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
618 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
619
620 //FIXME resample delay
621 if(fabs(delta) > 50){
622 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
623 if(byte_delta < 0){
624 byte_delta= FFMAX(byte_delta, -size);
625 size += byte_delta;
626 buf -= byte_delta;
627 if(verbose > 2)
628 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
629 if(!size)
630 return;
631 ist->is_start=0;
632 }else{
633 static uint8_t *input_tmp= NULL;
634 input_tmp= av_realloc(input_tmp, byte_delta + size);
635
636 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
637 ist->is_start=0;
638 else
639 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
640
641 memset(input_tmp, 0, byte_delta);
642 memcpy(input_tmp + byte_delta, buf, size);
643 buf= input_tmp;
644 size += byte_delta;
645 if(verbose > 2)
646 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
647 }
648 }else if(audio_sync_method>1){
649 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
650 assert(ost->audio_resample);
651 if(verbose > 2)
652 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
653 // 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));
654 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
655 }
656 }
657 }else
658 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
659 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
660
661 if (ost->audio_resample) {
662 buftmp = audio_buf;
663 size_out = audio_resample(ost->resample,
664 (short *)buftmp, (short *)buf,
665 size / (ist->st->codec->channels * isize));
666 size_out = size_out * enc->channels * osize;
667 } else {
668 buftmp = buf;
669 size_out = size;
670 }
671
672 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
673 const void *ibuf[6]= {buftmp};
674 void *obuf[6]= {audio_out2};
675 int istride[6]= {isize};
676 int ostride[6]= {osize};
677 int len= size_out/istride[0];
678 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
679 printf("av_audio_convert() failed\n");
680 if (exit_on_error)
681 av_exit(1);
682 return;
683 }
684 buftmp = audio_out2;
685 size_out = len*osize;
686 }
687
688 /* now encode as many frames as possible */
689 if (enc->frame_size > 1) {
690 /* output resampled raw samples */
691 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
692 fprintf(stderr, "av_fifo_realloc2() failed\n");
693 av_exit(1);
694 }
695 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
696
697 frame_bytes = enc->frame_size * osize * enc->channels;
698
699 while (av_fifo_size(ost->fifo) >= frame_bytes) {
700 AVPacket pkt;
701 av_init_packet(&pkt);
702
703 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
704
705 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
706
707 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
708 (short *)audio_buf);
709 if (ret < 0) {
710 fprintf(stderr, "Audio encoding failed\n");
711 av_exit(1);
712 }
713 audio_size += ret;
714 pkt.stream_index= ost->index;
715 pkt.data= audio_out;
716 pkt.size= ret;
717 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
718 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
719 pkt.flags |= PKT_FLAG_KEY;
720 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
721
722 ost->sync_opts += enc->frame_size;
723 }
724 } else {
725 AVPacket pkt;
726 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
727 av_init_packet(&pkt);
728
729 ost->sync_opts += size_out / (osize * enc->channels);
730
731 /* output a pcm frame */
732 /* determine the size of the coded buffer */
733 size_out /= osize;
734 if (coded_bps)
735 size_out *= coded_bps;
736
737 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
738 ret = avcodec_encode_audio(enc, audio_out, size_out,
739 (short *)buftmp);
740 if (ret < 0) {
741 fprintf(stderr, "Audio encoding failed\n");
742 av_exit(1);
743 }
744 audio_size += ret;
745 pkt.stream_index= ost->index;
746 pkt.data= audio_out;
747 pkt.size= ret;
748 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
749 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
750 pkt.flags |= PKT_FLAG_KEY;
751 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
752 }
753 }
754
755 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
756 {
757 AVCodecContext *dec;
758 AVPicture *picture2;
759 AVPicture picture_tmp;
760 uint8_t *buf = 0;
761
762 dec = ist->st->codec;
763
764 /* deinterlace : must be done before any resize */
765 if (do_deinterlace) {
766 int size;
767
768 /* create temporary picture */
769 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
770 buf = av_malloc(size);
771 if (!buf)
772 return;
773
774 picture2 = &picture_tmp;
775 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
776
777 if(avpicture_deinterlace(picture2, picture,
778 dec->pix_fmt, dec->width, dec->height) < 0) {
779 /* if error, do not deinterlace */
780 fprintf(stderr, "Deinterlacing failed\n");
781 av_free(buf);
782 buf = NULL;
783 picture2 = picture;
784 }
785 } else {
786 picture2 = picture;
787 }
788
789 if (picture != picture2)
790 *picture = *picture2;
791 *bufp = buf;
792 }
793
794 /* we begin to correct av delay at this threshold */
795 #define AV_DELAY_MAX 0.100
796
797 static void do_subtitle_out(AVFormatContext *s,
798 AVOutputStream *ost,
799 AVInputStream *ist,
800 AVSubtitle *sub,
801 int64_t pts)
802 {
803 static uint8_t *subtitle_out = NULL;
804 int subtitle_out_max_size = 1024 * 1024;
805 int subtitle_out_size, nb, i;
806 AVCodecContext *enc;
807 AVPacket pkt;
808
809 if (pts == AV_NOPTS_VALUE) {
810 fprintf(stderr, "Subtitle packets must have a pts\n");
811 if (exit_on_error)
812 av_exit(1);
813 return;
814 }
815
816 enc = ost->st->codec;
817
818 if (!subtitle_out) {
819 subtitle_out = av_malloc(subtitle_out_max_size);
820 }
821
822 /* Note: DVB subtitle need one packet to draw them and one other
823 packet to clear them */
824 /* XXX: signal it in the codec context ? */
825 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
826 nb = 2;
827 else
828 nb = 1;
829
830 for(i = 0; i < nb; i++) {
831 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
832 // start_display_time is required to be 0
833 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
834 sub->end_display_time -= sub->start_display_time;
835 sub->start_display_time = 0;
836 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
837 subtitle_out_max_size, sub);
838 if (subtitle_out_size < 0) {
839 fprintf(stderr, "Subtitle encoding failed\n");
840 av_exit(1);
841 }
842
843 av_init_packet(&pkt);
844 pkt.stream_index = ost->index;
845 pkt.data = subtitle_out;
846 pkt.size = subtitle_out_size;
847 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
848 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
849 /* XXX: the pts correction is handled here. Maybe handling
850 it in the codec would be better */
851 if (i == 0)
852 pkt.pts += 90 * sub->start_display_time;
853 else
854 pkt.pts += 90 * sub->end_display_time;
855 }
856 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
857 }
858 }
859
860 static int bit_buffer_size= 1024*256;
861 static uint8_t *bit_buffer= NULL;
862
863 static void do_video_out(AVFormatContext *s,
864 AVOutputStream *ost,
865 AVInputStream *ist,
866 AVFrame *in_picture,
867 int *frame_size)
868 {
869 int nb_frames, i, ret;
870 int64_t topBand, bottomBand, leftBand, rightBand;
871 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
872 AVFrame picture_crop_temp, picture_pad_temp;
873 AVCodecContext *enc, *dec;
874
875 avcodec_get_frame_defaults(&picture_crop_temp);
876 avcodec_get_frame_defaults(&picture_pad_temp);
877
878 enc = ost->st->codec;
879 dec = ist->st->codec;
880
881 /* by default, we output a single frame */
882 nb_frames = 1;
883
884 *frame_size = 0;
885
886 if(video_sync_method){
887 double vdelta;
888 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
889 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
890 if (vdelta < -1.1)
891 nb_frames = 0;
892 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
893 if(vdelta<=-0.6){
894 nb_frames=0;
895 }else if(vdelta>0.6)
896 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
897 }else if (vdelta > 1.1)
898 nb_frames = lrintf(vdelta);
899 //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);
900 if (nb_frames == 0){
901 ++nb_frames_drop;
902 if (verbose>2)
903 fprintf(stderr, "*** drop!\n");
904 }else if (nb_frames > 1) {
905 nb_frames_dup += nb_frames;
906 if (verbose>2)
907 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
908 }
909 }else
910 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
911
912 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
913 if (nb_frames <= 0)
914 return;
915
916 if (ost->video_crop) {
917 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
918 fprintf(stderr, "error cropping picture\n");
919 if (exit_on_error)
920 av_exit(1);
921 return;
922 }
923 formatted_picture = &picture_crop_temp;
924 } else {
925 formatted_picture = in_picture;
926 }
927
928 final_picture = formatted_picture;
929 padding_src = formatted_picture;
930 resampling_dst = &ost->pict_tmp;
931 if (ost->video_pad) {
932 final_picture = &ost->pict_tmp;
933 if (ost->video_resample) {
934 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
935 fprintf(stderr, "error padding picture\n");
936 if (exit_on_error)
937 av_exit(1);
938 return;
939 }
940 resampling_dst = &picture_pad_temp;
941 }
942 }
943
944 if (ost->video_resample) {
945 padding_src = NULL;
946 final_picture = &ost->pict_tmp;
947 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
948 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
949 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
950
951 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));
952 /* keep bands proportional to the frame size */
953 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
954 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
955 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
956 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
957
958 /* sanity check to ensure no bad band sizes sneak in */
959 assert(topBand <= INT_MAX && topBand >= 0);
960 assert(bottomBand <= INT_MAX && bottomBand >= 0);
961 assert(leftBand <= INT_MAX && leftBand >= 0);
962 assert(rightBand <= INT_MAX && rightBand >= 0);
963
964 ost->topBand = topBand;
965 ost->bottomBand = bottomBand;
966 ost->leftBand = leftBand;
967 ost->rightBand = rightBand;
968
969 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
970 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
971 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
972
973 /* initialize a new scaler context */
974 sws_freeContext(ost->img_resample_ctx);
975 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
976 ost->img_resample_ctx = sws_getContext(
977 ist->st->codec->width - (ost->leftBand + ost->rightBand),
978 ist->st->codec->height - (ost->topBand + ost->bottomBand),
979 ist->st->codec->pix_fmt,
980 ost->st->codec->width - (ost->padleft + ost->padright),
981 ost->st->codec->height - (ost->padtop + ost->padbottom),
982 ost->st->codec->pix_fmt,
983 sws_flags, NULL, NULL, NULL);
984 if (ost->img_resample_ctx == NULL) {
985 fprintf(stderr, "Cannot get resampling context\n");
986 av_exit(1);
987 }
988 }
989 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
990 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
991 }
992
993 if (ost->video_pad) {
994 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
995 enc->height, enc->width, enc->pix_fmt,
996 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
997 }
998
999 /* duplicates frame if needed */
1000 for(i=0;i<nb_frames;i++) {
1001 AVPacket pkt;
1002 av_init_packet(&pkt);
1003 pkt.stream_index= ost->index;
1004
1005 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1006 /* raw pictures are written as AVPicture structure to
1007 avoid any copies. We support temorarily the older
1008 method. */
1009 AVFrame* old_frame = enc->coded_frame;
1010 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1011 pkt.data= (uint8_t *)final_picture;
1012 pkt.size= sizeof(AVPicture);
1013 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1014 pkt.flags |= PKT_FLAG_KEY;
1015
1016 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1017 enc->coded_frame = old_frame;
1018 } else {
1019 AVFrame big_picture;
1020
1021 big_picture= *final_picture;
1022 /* better than nothing: use input picture interlaced
1023 settings */
1024 big_picture.interlaced_frame = in_picture->interlaced_frame;
1025 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1026 if(top_field_first == -1)
1027 big_picture.top_field_first = in_picture->top_field_first;
1028 else
1029 big_picture.top_field_first = top_field_first;
1030 }
1031
1032 /* handles sameq here. This is not correct because it may
1033 not be a global option */
1034 if (same_quality) {
1035 big_picture.quality = ist->st->quality;
1036 }else
1037 big_picture.quality = ost->st->quality;
1038 if(!me_threshold)
1039 big_picture.pict_type = 0;
1040 // big_picture.pts = AV_NOPTS_VALUE;
1041 big_picture.pts= ost->sync_opts;
1042 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1043 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1044 ret = avcodec_encode_video(enc,
1045 bit_buffer, bit_buffer_size,
1046 &big_picture);
1047 if (ret < 0) {
1048 fprintf(stderr, "Video encoding failed\n");
1049 av_exit(1);
1050 }
1051
1052 if(ret>0){
1053 pkt.data= bit_buffer;
1054 pkt.size= ret;
1055 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1056 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1057 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1058 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1059 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1060
1061 if(enc->coded_frame->key_frame)
1062 pkt.flags |= PKT_FLAG_KEY;
1063 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1064 *frame_size = ret;
1065 video_size += ret;
1066 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1067 // enc->frame_number-1, ret, enc->pict_type);
1068 /* if two pass, output log */
1069 if (ost->logfile && enc->stats_out) {
1070 fprintf(ost->logfile, "%s", enc->stats_out);
1071 }
1072 }
1073 }
1074 ost->sync_opts++;
1075 ost->frame_number++;
1076 }
1077 }
1078
1079 static double psnr(double d){
1080 return -10.0*log(d)/log(10.0);
1081 }
1082
1083 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1084 int frame_size)
1085 {
1086 AVCodecContext *enc;
1087 int frame_number;
1088 double ti1, bitrate, avg_bitrate;
1089
1090 /* this is executed just the first time do_video_stats is called */
1091 if (!vstats_file) {
1092 vstats_file = fopen(vstats_filename, "w");
1093 if (!vstats_file) {
1094 perror("fopen");
1095 av_exit(1);
1096 }
1097 }
1098
1099 enc = ost->st->codec;
1100 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1101 frame_number = ost->frame_number;
1102 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1103 if (enc->flags&CODEC_FLAG_PSNR)
1104 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1105
1106 fprintf(vstats_file,"f_size= %6d ", frame_size);
1107 /* compute pts value */
1108 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1109 if (ti1 < 0.01)
1110 ti1 = 0.01;
1111
1112 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1113 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1114 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1115 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1116 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1117 }
1118 }
1119
1120 static void print_report(AVFormatContext **output_files,
1121 AVOutputStream **ost_table, int nb_ostreams,
1122 int is_last_report)
1123 {
1124 char buf[1024];
1125 AVOutputStream *ost;
1126 AVFormatContext *oc;
1127 int64_t total_size;
1128 AVCodecContext *enc;
1129 int frame_number, vid, i;
1130 double bitrate, ti1, pts;
1131 static int64_t last_time = -1;
1132 static int qp_histogram[52];
1133
1134 if (!is_last_report) {
1135 int64_t cur_time;
1136 /* display the report every 0.5 seconds */
1137 cur_time = av_gettime();
1138 if (last_time == -1) {
1139 last_time = cur_time;
1140 return;
1141 }
1142 if ((cur_time - last_time) < 500000)
1143 return;
1144 last_time = cur_time;
1145 }
1146
1147
1148 oc = output_files[0];
1149
1150 total_size = url_fsize(oc->pb);
1151 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1152 total_size= url_ftell(oc->pb);
1153
1154 buf[0] = '\0';
1155 ti1 = 1e10;
1156 vid = 0;
1157 for(i=0;i<nb_ostreams;i++) {
1158 ost = ost_table[i];
1159 enc = ost->st->codec;
1160 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1161 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1162 !ost->st->stream_copy ?
1163 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1164 }
1165 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1166 float t = (av_gettime()-timer_start) / 1000000.0;
1167
1168 frame_number = ost->frame_number;
1169 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1170 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1171 !ost->st->stream_copy ?
1172 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1173 if(is_last_report)
1174 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1175 if(qp_hist){
1176 int j;
1177 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1178 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1179 qp_histogram[qp]++;
1180 for(j=0; j<32; j++)
1181 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1182 }
1183 if (enc->flags&CODEC_FLAG_PSNR){
1184 int j;
1185 double error, error_sum=0;
1186 double scale, scale_sum=0;
1187 char type[3]= {'Y','U','V'};
1188 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1189 for(j=0; j<3; j++){
1190 if(is_last_report){
1191 error= enc->error[j];
1192 scale= enc->width*enc->height*255.0*255.0*frame_number;
1193 }else{
1194 error= enc->coded_frame->error[j];
1195 scale= enc->width*enc->height*255.0*255.0;
1196 }
1197 if(j) scale/=4;
1198 error_sum += error;
1199 scale_sum += scale;
1200 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1201 }
1202 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1203 }
1204 vid = 1;
1205 }
1206 /* compute min output value */
1207 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1208 if ((pts < ti1) && (pts > 0))
1209 ti1 = pts;
1210 }
1211 if (ti1 < 0.01)
1212 ti1 = 0.01;
1213
1214 if (verbose || is_last_report) {
1215 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1216
1217 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1218 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1219 (double)total_size / 1024, ti1, bitrate);
1220
1221 if (verbose > 1)
1222 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1223 nb_frames_dup, nb_frames_drop);
1224
1225 if (verbose >= 0)
1226 fprintf(stderr, "%s \r", buf);
1227
1228 fflush(stderr);
1229 }
1230
1231 if (is_last_report && verbose >= 0){
1232 int64_t raw= audio_size + video_size + extra_size;
1233 fprintf(stderr, "\n");
1234 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1235 video_size/1024.0,
1236 audio_size/1024.0,
1237 extra_size/1024.0,
1238 100.0*(total_size - raw)/raw
1239 );
1240 }
1241 }
1242
1243 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1244 static int output_packet(AVInputStream *ist, int ist_index,
1245 AVOutputStream **ost_table, int nb_ostreams,
1246 const AVPacket *pkt)
1247 {
1248 AVFormatContext *os;
1249 AVOutputStream *ost;
1250 int ret, i;
1251 uint8_t *data_buf;
1252 int data_size, got_picture;
1253 AVFrame picture;
1254 void *buffer_to_free;
1255 static unsigned int samples_size= 0;
1256 AVSubtitle subtitle, *subtitle_to_free;
1257 int got_subtitle;
1258 AVPacket avpkt;
1259 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1260
1261 if(ist->next_pts == AV_NOPTS_VALUE)
1262 ist->next_pts= ist->pts;
1263
1264 if (pkt == NULL) {
1265 /* EOF handling */
1266 av_init_packet(&avpkt);
1267 avpkt.data = NULL;
1268 avpkt.size = 0;
1269 goto handle_eof;
1270 } else {
1271 avpkt = *pkt;
1272 }
1273
1274 if(pkt->dts != AV_NOPTS_VALUE)
1275 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1276
1277 //while we have more to decode or while the decoder did output something on EOF
1278 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1279 handle_eof:
1280 ist->pts= ist->next_pts;
1281
1282 if(avpkt.size && avpkt.size != pkt->size &&
1283 !(ist->st->codec->codec->capabilities & CODEC_CAP_SUBFRAMES) && verbose>0)
1284 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1285
1286 /* decode the packet if needed */
1287 data_buf = NULL; /* fail safe */
1288 data_size = 0;
1289 subtitle_to_free = NULL;
1290 if (ist->decoding_needed) {
1291 switch(ist->st->codec->codec_type) {
1292 case CODEC_TYPE_AUDIO:{
1293 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1294 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1295 av_free(samples);
1296 samples= av_malloc(samples_size);
1297 }
1298 data_size= samples_size;
1299 /* XXX: could avoid copy if PCM 16 bits with same
1300 endianness as CPU */
1301 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1302 &avpkt);
1303 if (ret < 0)
1304 goto fail_decode;
1305 avpkt.data += ret;
1306 avpkt.size -= ret;
1307 /* Some bug in mpeg audio decoder gives */
1308 /* data_size < 0, it seems they are overflows */
1309 if (data_size <= 0) {
1310 /* no audio frame */
1311 continue;
1312 }
1313 data_buf = (uint8_t *)samples;
1314 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * data_size) /
1315 (ist->st->codec->sample_rate * ist->st->codec->channels);
1316 break;}
1317 case CODEC_TYPE_VIDEO:
1318 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1319 /* XXX: allocate picture correctly */
1320 avcodec_get_frame_defaults(&picture);
1321
1322 ret = avcodec_decode_video2(ist->st->codec,
1323 &picture, &got_picture, &avpkt);
1324 ist->st->quality= picture.quality;
1325 if (ret < 0)
1326 goto fail_decode;
1327 if (!got_picture) {
1328 /* no picture yet */
1329 goto discard_packet;
1330 }
1331 if (ist->st->codec->time_base.num != 0) {
1332 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1333 ist->next_pts += ((int64_t)AV_TIME_BASE *
1334 ist->st->codec->time_base.num * ticks) /
1335 ist->st->codec->time_base.den;
1336 }
1337 avpkt.size = 0;
1338 break;
1339 case CODEC_TYPE_SUBTITLE:
1340 ret = avcodec_decode_subtitle2(ist->st->codec,
1341 &subtitle, &got_subtitle, &avpkt);
1342 if (ret < 0)
1343 goto fail_decode;
1344 if (!got_subtitle) {
1345 goto discard_packet;
1346 }
1347 subtitle_to_free = &subtitle;
1348 avpkt.size = 0;
1349 break;
1350 default:
1351 goto fail_decode;
1352 }
1353 } else {
1354 switch(ist->st->codec->codec_type) {
1355 case CODEC_TYPE_AUDIO:
1356 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1357 ist->st->codec->sample_rate;
1358 break;
1359 case CODEC_TYPE_VIDEO:
1360 if (ist->st->codec->time_base.num != 0) {
1361 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1362 ist->next_pts += ((int64_t)AV_TIME_BASE *
1363 ist->st->codec->time_base.num * ticks) /
1364 ist->st->codec->time_base.den;
1365 }
1366 break;
1367 }
1368 data_buf = avpkt.data;
1369 data_size = avpkt.size;
1370 ret = avpkt.size;
1371 avpkt.size = 0;
1372 }
1373
1374 buffer_to_free = NULL;
1375 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1376 pre_process_video_frame(ist, (AVPicture *)&picture,
1377 &buffer_to_free);
1378 }
1379
1380 // preprocess audio (volume)
1381 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1382 if (audio_volume != 256) {
1383 short *volp;
1384 volp = samples;
1385 for(i=0;i<(data_size / sizeof(short));i++) {
1386 int v = ((*volp) * audio_volume + 128) >> 8;
1387 if (v < -32768) v = -32768;
1388 if (v > 32767) v = 32767;
1389 *volp++ = v;
1390 }
1391 }
1392 }
1393
1394 /* frame rate emulation */
1395 if (rate_emu) {
1396 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1397 int64_t now = av_gettime() - ist->start;
1398 if (pts > now)
1399 usleep(pts - now);
1400 }
1401
1402 /* if output time reached then transcode raw format,
1403 encode packets and output them */
1404 if (start_time == 0 || ist->pts >= start_time)
1405 for(i=0;i<nb_ostreams;i++) {
1406 int frame_size;
1407
1408 ost = ost_table[i];
1409 if (ost->source_index == ist_index) {
1410 os = output_files[ost->file_index];
1411
1412 /* set the input output pts pairs */
1413 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1414
1415 if (ost->encoding_needed) {
1416 switch(ost->st->codec->codec_type) {
1417 case CODEC_TYPE_AUDIO:
1418 do_audio_out(os, ost, ist, data_buf, data_size);
1419 break;
1420 case CODEC_TYPE_VIDEO:
1421 do_video_out(os, ost, ist, &picture, &frame_size);
1422 if (vstats_filename && frame_size)
1423 do_video_stats(os, ost, frame_size);
1424 break;
1425 case CODEC_TYPE_SUBTITLE:
1426 do_subtitle_out(os, ost, ist, &subtitle,
1427 pkt->pts);
1428 break;
1429 default:
1430 abort();
1431 }
1432 } else {
1433 AVFrame avframe; //FIXME/XXX remove this
1434 AVPacket opkt;
1435 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1436
1437 av_init_packet(&opkt);
1438
1439 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1440 continue;
1441
1442 /* no reencoding needed : output the packet directly */
1443 /* force the input stream PTS */
1444
1445 avcodec_get_frame_defaults(&avframe);
1446 ost->st->codec->coded_frame= &avframe;
1447 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1448
1449 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1450 audio_size += data_size;
1451 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1452 video_size += data_size;
1453 ost->sync_opts++;
1454 }
1455
1456 opkt.stream_index= ost->index;
1457 if(pkt->pts != AV_NOPTS_VALUE)
1458 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1459 else
1460 opkt.pts= AV_NOPTS_VALUE;
1461
1462 if (pkt->dts == AV_NOPTS_VALUE)
1463 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1464 else
1465 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1466 opkt.dts -= ost_tb_start_time;
1467
1468 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1469 opkt.flags= pkt->flags;
1470
1471 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1472 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1473 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1474 opkt.destruct= av_destruct_packet;
1475 } else {
1476 opkt.data = data_buf;
1477 opkt.size = data_size;
1478 }
1479
1480 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1481 ost->st->codec->frame_number++;
1482 ost->frame_number++;
1483 av_free_packet(&opkt);
1484 }
1485 }
1486 }
1487 av_free(buffer_to_free);
1488 /* XXX: allocate the subtitles in the codec ? */
1489 if (subtitle_to_free) {
1490 if (subtitle_to_free->rects != NULL) {
1491 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1492 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1493 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1494 av_freep(&subtitle_to_free->rects[i]);
1495 }
1496 av_freep(&subtitle_to_free->rects);
1497 }
1498 subtitle_to_free->num_rects = 0;
1499 subtitle_to_free = NULL;
1500 }
1501 }
1502 discard_packet:
1503 if (pkt == NULL) {
1504 /* EOF handling */
1505
1506 for(i=0;i<nb_ostreams;i++) {
1507 ost = ost_table[i];
1508 if (ost->source_index == ist_index) {
1509 AVCodecContext *enc= ost->st->codec;
1510 os = output_files[ost->file_index];
1511
1512 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1513 continue;
1514 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1515 continue;
1516
1517 if (ost->encoding_needed) {
1518 for(;;) {
1519 AVPacket pkt;
1520 int fifo_bytes;
1521 av_init_packet(&pkt);
1522 pkt.stream_index= ost->index;
1523
1524 switch(ost->st->codec->codec_type) {
1525 case CODEC_TYPE_AUDIO:
1526 fifo_bytes = av_fifo_size(ost->fifo);
1527 ret = 0;
1528 /* encode any samples remaining in fifo */
1529 if (fifo_bytes > 0) {
1530 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1531 int fs_tmp = enc->frame_size;
1532
1533 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1534 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1535 enc->frame_size = fifo_bytes / (osize * enc->channels);
1536 } else { /* pad */
1537 int frame_bytes = enc->frame_size*osize*enc->channels;
1538 if (samples_size < frame_bytes)
1539 av_exit(1);
1540 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1541 }
1542
1543 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1544 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1545 ost->st->time_base.num, enc->sample_rate);
1546 enc->frame_size = fs_tmp;
1547 }
1548 if(ret <= 0) {
1549 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1550 }
1551 if (ret < 0) {
1552 fprintf(stderr, "Audio encoding failed\n");
1553 av_exit(1);
1554 }
1555 audio_size += ret;
1556 pkt.flags |= PKT_FLAG_KEY;
1557 break;
1558 case CODEC_TYPE_VIDEO:
1559 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1560 if (ret < 0) {
1561 fprintf(stderr, "Video encoding failed\n");
1562 av_exit(1);
1563 }
1564 video_size += ret;
1565 if(enc->coded_frame && enc->coded_frame->key_frame)
1566 pkt.flags |= PKT_FLAG_KEY;
1567 if (ost->logfile && enc->stats_out) {
1568 fprintf(ost->logfile, "%s", enc->stats_out);
1569 }
1570 break;
1571 default:
1572 ret=-1;
1573 }
1574
1575 if(ret<=0)
1576 break;
1577 pkt.data= bit_buffer;
1578 pkt.size= ret;
1579 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1580 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1581 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1582 }
1583 }
1584 }
1585 }
1586 }
1587
1588 return 0;
1589 fail_decode:
1590 return -1;
1591 }
1592
1593 static void print_sdp(AVFormatContext **avc, int n)
1594 {
1595 char sdp[2048];
1596
1597 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1598 printf("SDP:\n%s\n", sdp);
1599 fflush(stdout);
1600 }
1601
1602 static int stream_index_from_inputs(AVFormatContext **input_files,
1603 int nb_input_files,
1604 AVInputFile *file_table,
1605 AVInputStream **ist_table,
1606 enum CodecType type,
1607 int programid)
1608 {
1609 int p, q, z;
1610 for(z=0; z<nb_input_files; z++) {
1611 AVFormatContext *ic = input_files[z];
1612 for(p=0; p<ic->nb_programs; p++) {
1613 AVProgram *program = ic->programs[p];
1614 if(program->id != programid)
1615 continue;
1616 for(q=0; q<program->nb_stream_indexes; q++) {
1617 int sidx = program->stream_index[q];
1618 int ris = file_table[z].ist_index + sidx;
1619 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1620 return ris;
1621 }
1622 }
1623 }
1624
1625 return -1;
1626 }
1627
1628 /*
1629 * The following code is the main loop of the file converter
1630 */
1631 static int av_encode(AVFormatContext **output_files,
1632 int nb_output_files,
1633 AVFormatContext **input_files,
1634 int nb_input_files,
1635 AVStreamMap *stream_maps, int nb_stream_maps)
1636 {
1637 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1638 AVFormatContext *is, *os;
1639 AVCodecContext *codec, *icodec;
1640 AVOutputStream *ost, **ost_table = NULL;
1641 AVInputStream *ist, **ist_table = NULL;
1642 AVInputFile *file_table;
1643 char error[1024];
1644 int key;
1645 int want_sdp = 1;
1646 uint8_t no_packet[MAX_FILES]={0};
1647 int no_packet_count=0;
1648
1649 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1650 if (!file_table)
1651 goto fail;
1652
1653 /* input stream init */
1654 j = 0;
1655 for(i=0;i<nb_input_files;i++) {
1656 is = input_files[i];
1657 file_table[i].ist_index = j;
1658 file_table[i].nb_streams = is->nb_streams;
1659 j += is->nb_streams;
1660 }
1661 nb_istreams = j;
1662
1663 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1664 if (!ist_table)
1665 goto fail;
1666
1667 for(i=0;i<nb_istreams;i++) {
1668 ist = av_mallocz(sizeof(AVInputStream));
1669 if (!ist)
1670 goto fail;
1671 ist_table[i] = ist;
1672 }
1673 j = 0;
1674 for(i=0;i<nb_input_files;i++) {
1675 is = input_files[i];
1676 for(k=0;k<is->nb_streams;k++) {
1677 ist = ist_table[j++];
1678 ist->st = is->streams[k];
1679 ist->file_index = i;
1680 ist->index = k;
1681 ist->discard = 1; /* the stream is discarded by default
1682 (changed later) */
1683
1684 if (rate_emu) {
1685 ist->start = av_gettime();
1686 }
1687 }
1688 }
1689
1690 /* output stream init */
1691 nb_ostreams = 0;
1692 for(i=0;i<nb_output_files;i++) {
1693 os = output_files[i];
1694 if (!os->nb_streams) {
1695 dump_format(output_files[i], i, output_files[i]->filename, 1);
1696 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1697 av_exit(1);
1698 }
1699 nb_ostreams += os->nb_streams;
1700 }
1701 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1702 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1703 av_exit(1);
1704 }
1705
1706 /* Sanity check the mapping args -- do the input files & streams exist? */
1707 for(i=0;i<nb_stream_maps;i++) {
1708 int fi = stream_maps[i].file_index;
1709 int si = stream_maps[i].stream_index;
1710
1711 if (fi < 0 || fi > nb_input_files - 1 ||
1712 si < 0 || si > file_table[fi].nb_streams - 1) {
1713 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1714 av_exit(1);
1715 }
1716 fi = stream_maps[i].sync_file_index;
1717 si = stream_maps[i].sync_stream_index;
1718 if (fi < 0 || fi > nb_input_files - 1 ||
1719 si < 0 || si > file_table[fi].nb_streams - 1) {
1720 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1721 av_exit(1);
1722 }
1723 }
1724
1725 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1726 if (!ost_table)
1727 goto fail;
1728 for(i=0;i<nb_ostreams;i++) {
1729 ost = av_mallocz(sizeof(AVOutputStream));
1730 if (!ost)
1731 goto fail;
1732 ost_table[i] = ost;
1733 }
1734
1735 n = 0;
1736 for(k=0;k<nb_output_files;k++) {
1737 os = output_files[k];
1738 for(i=0;i<os->nb_streams;i++,n++) {
1739 int found;
1740 ost = ost_table[n];
1741 ost->file_index = k;
1742 ost->index = i;
1743 ost->st = os->streams[i];
1744 if (nb_stream_maps > 0) {
1745 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1746 stream_maps[n].stream_index;
1747
1748 /* Sanity check that the stream types match */
1749 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1750 int i= ost->file_index;
1751 dump_format(output_files[i], i, output_files[i]->filename, 1);
1752 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1753 stream_maps[n].file_index, stream_maps[n].stream_index,
1754 ost->file_index, ost->index);
1755 av_exit(1);
1756 }
1757
1758 } else {
1759 if(opt_programid) {
1760 found = 0;
1761 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1762 if(j != -1) {
1763 ost->source_index = j;
1764 found = 1;
1765 }
1766 } else {
1767 /* get corresponding input stream index : we select the first one with the right type */
1768 found = 0;
1769 for(j=0;j<nb_istreams;j++) {
1770 ist = ist_table[j];
1771 if (ist->discard &&
1772 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1773 ost->source_index = j;
1774 found = 1;
1775 break;
1776 }
1777 }
1778 }
1779
1780 if (!found) {
1781 if(! opt_programid) {
1782 /* try again and reuse existing stream */
1783 for(j=0;j<nb_istreams;j++) {
1784 ist = ist_table[j];
1785 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1786 ost->source_index = j;
1787 found = 1;
1788 }
1789 }
1790 }
1791 if (!found) {
1792 int i= ost->file_index;
1793 dump_format(output_files[i], i, output_files[i]->filename, 1);
1794 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1795 ost->file_index, ost->index);
1796 av_exit(1);
1797 }
1798 }
1799 }
1800 ist = ist_table[ost->source_index];
1801 ist->discard = 0;
1802 ost->sync_ist = (nb_stream_maps > 0) ?
1803 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1804 stream_maps[n].sync_stream_index] : ist;
1805 }
1806 }
1807
1808 /* for each output stream, we compute the right encoding parameters */
1809 for(i=0;i<nb_ostreams;i++) {
1810 AVMetadataTag *lang;
1811 ost = ost_table[i];
1812 os = output_files[ost->file_index];
1813 ist = ist_table[ost->source_index];
1814
1815 codec = ost->st->codec;
1816 icodec = ist->st->codec;
1817
1818 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1819 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1820 av_metadata_set(&ost->st->metadata, "language", lang->value);
1821
1822 ost->st->disposition = ist->st->disposition;
1823 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1824 codec->chroma_sample_location = icodec->chroma_sample_location;
1825
1826 if (ost->st->stream_copy) {
1827 /* if stream_copy is selected, no need to decode or encode */
1828 codec->codec_id = icodec->codec_id;
1829 codec->codec_type = icodec->codec_type;
1830
1831 if(!codec->codec_tag){
1832 if( !os->oformat->codec_tag
1833 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1834 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1835 codec->codec_tag = icodec->codec_tag;
1836 }
1837
1838 codec->bit_rate = icodec->bit_rate;
1839 codec->extradata= icodec->extradata;
1840 codec->extradata_size= icodec->extradata_size;
1841 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){
1842 codec->time_base = icodec->time_base;
1843 codec->time_base.num *= icodec->ticks_per_frame;
1844 }else
1845 codec->time_base = ist->st->time_base;
1846 switch(codec->codec_type) {
1847 case CODEC_TYPE_AUDIO:
1848 if(audio_volume != 256) {
1849 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1850 av_exit(1);
1851 }
1852 codec->channel_layout = icodec->channel_layout;
1853 codec->sample_rate = icodec->sample_rate;
1854 codec->channels = icodec->channels;
1855 codec->frame_size = icodec->frame_size;
1856 codec->block_align= icodec->block_align;
1857 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1858 codec->block_align= 0;
1859 if(codec->codec_id == CODEC_ID_AC3)
1860 codec->block_align= 0;
1861 break;
1862 case CODEC_TYPE_VIDEO:
1863 codec->pix_fmt = icodec->pix_fmt;
1864 codec->width = icodec->width;
1865 codec->height = icodec->height;
1866 codec->has_b_frames = icodec->has_b_frames;
1867 break;
1868 case CODEC_TYPE_SUBTITLE:
1869 codec->width = icodec->width;
1870 codec->height = icodec->height;
1871 break;
1872 default:
1873 abort();
1874 }
1875 } else {
1876 switch(codec->codec_type) {
1877 case CODEC_TYPE_AUDIO:
1878 ost->fifo= av_fifo_alloc(1024);
1879 if(!ost->fifo)
1880 goto fail;
1881 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1882 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1883 icodec->request_channels = codec->channels;
1884 ist->decoding_needed = 1;
1885 ost->encoding_needed = 1;
1886 break;
1887 case CODEC_TYPE_VIDEO:
1888 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1889 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1890 av_exit(1);
1891 }
1892 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1893 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1894 ost->video_resample = ((codec->width != icodec->width -
1895 (frame_leftBand + frame_rightBand) +
1896 (frame_padleft + frame_padright)) ||
1897 (codec->height != icodec->height -
1898 (frame_topBand + frame_bottomBand) +
1899 (frame_padtop + frame_padbottom)) ||
1900 (codec->pix_fmt != icodec->pix_fmt));
1901 if (ost->video_crop) {
1902 ost->topBand = ost->original_topBand = frame_topBand;
1903 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1904 ost->leftBand = ost->original_leftBand = frame_leftBand;
1905 ost->rightBand = ost->original_rightBand = frame_rightBand;
1906 }
1907 if (ost->video_pad) {
1908 ost->padtop = frame_padtop;
1909 ost->padleft = frame_padleft;
1910 ost->padbottom = frame_padbottom;
1911 ost->padright = frame_padright;
1912 if (!ost->video_resample) {
1913 avcodec_get_frame_defaults(&ost->pict_tmp);
1914 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1915 codec->width, codec->height))
1916 goto fail;
1917 }
1918 }
1919 if (ost->video_resample) {
1920 avcodec_get_frame_defaults(&ost->pict_tmp);
1921 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1922 codec->width, codec->height)) {
1923 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1924 av_exit(1);
1925 }
1926 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1927 ost->img_resample_ctx = sws_getContext(
1928 icodec->width - (frame_leftBand + frame_rightBand),
1929 icodec->height - (frame_topBand + frame_bottomBand),
1930 icodec->pix_fmt,
1931 codec->width - (frame_padleft + frame_padright),
1932 codec->height - (frame_padtop + frame_padbottom),
1933 codec->pix_fmt,
1934 sws_flags, NULL, NULL, NULL);
1935 if (ost->img_resample_ctx == NULL) {
1936 fprintf(stderr, "Cannot get resampling context\n");
1937 av_exit(1);
1938 }
1939
1940 ost->original_height = icodec->height;
1941 ost->original_width = icodec->width;
1942
1943 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1944 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1945 ost->resample_pix_fmt= icodec->pix_fmt;
1946 codec->bits_per_raw_sample= 0;
1947 }
1948 ost->encoding_needed = 1;
1949 ist->decoding_needed = 1;
1950 break;
1951 case CODEC_TYPE_SUBTITLE:
1952 ost->encoding_needed = 1;
1953 ist->decoding_needed = 1;
1954 break;
1955 default:
1956 abort();
1957 break;
1958 }
1959 /* two pass mode */
1960 if (ost->encoding_needed &&
1961 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1962 char logfilename[1024];
1963 FILE *f;
1964 int size;
1965 char *logbuffer;
1966
1967 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1968 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1969 i);
1970 if (codec->flags & CODEC_FLAG_PASS1) {
1971 f = fopen(logfilename, "w");
1972 if (!f) {
1973 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1974 av_exit(1);
1975 }
1976 ost->logfile = f;
1977 } else {
1978 /* read the log file */
1979 f = fopen(logfilename, "r");
1980 if (!f) {
1981 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1982 av_exit(1);
1983 }
1984 fseek(f, 0, SEEK_END);
1985 size = ftell(f);
1986 fseek(f, 0, SEEK_SET);
1987 logbuffer = av_malloc(size + 1);
1988 if (!logbuffer) {
1989 fprintf(stderr, "Could not allocate log buffer\n");
1990 av_exit(1);
1991 }
1992 size = fread(logbuffer, 1, size, f);
1993 fclose(f);
1994 logbuffer[size] = '\0';
1995 codec->stats_in = logbuffer;
1996 }
1997 }
1998 }
1999 if(codec->codec_type == CODEC_TYPE_VIDEO){
2000 int size= codec->width * codec->height;
2001 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2002 }
2003 }
2004
2005 if (!bit_buffer)
2006 bit_buffer = av_malloc(bit_buffer_size);
2007 if (!bit_buffer) {
2008 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2009 bit_buffer_size);
2010 ret = AVERROR(ENOMEM);
2011 goto fail;
2012 }
2013
2014 /* open each encoder */
2015 for(i=0;i<nb_ostreams;i++) {
2016 ost = ost_table[i];
2017 if (ost->encoding_needed) {
2018 AVCodec *codec = output_codecs[i];
2019 if (!codec)
2020 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2021 if (!codec) {
2022 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2023 ost->st->codec->codec_id, ost->file_index, ost->index);
2024 ret = AVERROR(EINVAL);
2025 goto dump_format;
2026 }
2027 if (avcodec_open(ost->st->codec, codec) < 0) {
2028 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2029 ost->file_index, ost->index);
2030 ret = AVERROR(EINVAL);
2031 goto dump_format;
2032 }
2033 extra_size += ost->st->codec->extradata_size;
2034 }
2035 }
2036
2037 /* open each decoder */
2038 for(i=0;i<nb_istreams;i++) {
2039 ist = ist_table[i];
2040 if (ist->decoding_needed) {
2041 AVCodec *codec = input_codecs[i];
2042 if (!codec)
2043 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2044 if (!codec) {
2045 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2046 ist->st->codec->codec_id, ist->file_index, ist->index);
2047 ret = AVERROR(EINVAL);
2048 goto dump_format;
2049 }
2050 if (avcodec_open(ist->st->codec, codec) < 0) {
2051 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2052 ist->file_index, ist->index);
2053 ret = AVERROR(EINVAL);
2054 goto dump_format;
2055 }
2056 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2057 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2058 }
2059 }
2060
2061 /* init pts */
2062 for(i=0;i<nb_istreams;i++) {
2063 ist = ist_table[i];
2064 ist->pts = 0;
2065 ist->next_pts = AV_NOPTS_VALUE;
2066 ist->is_start = 1;
2067 }
2068
2069 /* set meta data information from input file if required */
2070 for (i=0;i<nb_meta_data_maps;i++) {
2071 AVFormatContext *out_file;
2072 AVFormatContext *in_file;
2073 AVMetadataTag *mtag;
2074
2075 int out_file_index = meta_data_maps[i].out_file;
2076 int in_file_index = meta_data_maps[i].in_file;
2077 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2078 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2079 out_file_index, out_file_index, in_file_index);
2080 ret = AVERROR(EINVAL);
2081 goto dump_format;
2082 }
2083 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2084 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2085 in_file_index, out_file_index, in_file_index);
2086 ret = AVERROR(EINVAL);
2087 goto dump_format;
2088 }
2089
2090 out_file = output_files[out_file_index];
2091 in_file = input_files[in_file_index];
2092
2093
2094 mtag=NULL;
2095 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2096 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2097 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2098 in_file->iformat->metadata_conv);
2099 }
2100
2101 /* open files and write file headers */
2102 for(i=0;i<nb_output_files;i++) {
2103 os = output_files[i];
2104 if (av_write_header(os) < 0) {
2105 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2106 ret = AVERROR(EINVAL);
2107 goto dump_format;
2108 }
2109 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2110 want_sdp = 0;
2111 }
2112 }
2113
2114 dump_format:
2115 /* dump the file output parameters - cannot be done before in case
2116 of stream copy */
2117 for(i=0;i<nb_output_files;i++) {
2118 dump_format(output_files[i], i, output_files[i]->filename, 1);
2119 }
2120
2121 /* dump the stream mapping */
2122 if (verbose >= 0) {
2123 fprintf(stderr, "Stream mapping:\n");
2124 for(i=0;i<nb_ostreams;i++) {
2125 ost = ost_table[i];
2126 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2127 ist_table[ost->source_index]->file_index,
2128 ist_table[ost->source_index]->index,
2129 ost->file_index,
2130 ost->index);
2131 if (ost->sync_ist != ist_table[ost->source_index])
2132 fprintf(stderr, " [sync #%d.%d]",
2133 ost->sync_ist->file_index,
2134 ost->sync_ist->index);
2135 fprintf(stderr, "\n");
2136 }
2137 }
2138
2139 if (ret) {
2140 fprintf(stderr, "%s\n", error);
2141 goto fail;
2142 }
2143
2144 if (want_sdp) {
2145 print_sdp(output_files, nb_output_files);
2146 }
2147
2148 if (!using_stdin && verbose >= 0) {
2149 fprintf(stderr, "Press [q] to stop encoding\n");
2150 url_set_interrupt_cb(decode_interrupt_cb);
2151 }
2152 term_init();
2153
2154 timer_start = av_gettime();
2155
2156 for(; received_sigterm == 0;) {
2157 int file_index, ist_index;
2158 AVPacket pkt;
2159 double ipts_min;
2160 double opts_min;
2161
2162 redo:
2163 ipts_min= 1e100;
2164 opts_min= 1e100;
2165 /* if 'q' pressed, exits */
2166 if (!using_stdin) {
2167 if (q_pressed)
2168 break;
2169 /* read_key() returns 0 on EOF */
2170 key = read_key();
2171 if (key == 'q')
2172 break;
2173 }
2174
2175 /* select the stream that we must read now by looking at the
2176 smallest output pts */
2177 file_index = -1;
2178 for(i=0;i<nb_ostreams;i++) {
2179 double ipts, opts;
2180 ost = ost_table[i];
2181 os = output_files[ost->file_index];
2182 ist = ist_table[ost->source_index];
2183 if(no_packet[ist->file_index])
2184 continue;
2185 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2186 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2187 else
2188 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2189 ipts = (double)ist->pts;
2190 if (!file_table[ist->file_index].eof_reached){
2191 if(ipts < ipts_min) {
2192 ipts_min = ipts;
2193 if(input_sync ) file_index = ist->file_index;
2194 }
2195 if(opts < opts_min) {
2196 opts_min = opts;
2197 if(!input_sync) file_index = ist->file_index;
2198 }
2199 }
2200 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2201 file_index= -1;
2202 break;
2203 }
2204 }
2205 /* if none, if is finished */
2206 if (file_index < 0) {
2207 if(no_packet_count){
2208 no_packet_count=0;
2209 memset(no_packet, 0, sizeof(no_packet));
2210 usleep(10000);
2211 continue;
2212 }
2213 break;
2214 }
2215
2216 /* finish if recording time exhausted */
2217 if (opts_min >= (recording_time / 1000000.0))
2218 break;
2219
2220 /* finish if limit size exhausted */
2221 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2222 break;
2223
2224 /* read a frame from it and output it in the fifo */
2225 is = input_files[file_index];
2226 ret= av_read_frame(is, &pkt);
2227 if(ret == AVERROR(EAGAIN)){
2228 no_packet[file_index]=1;
2229 no_packet_count++;
2230 continue;
2231 }
2232 if (ret < 0) {
2233 file_table[file_index].eof_reached = 1;
2234 if (opt_shortest)
2235 break;
2236 else
2237 continue;
2238 }
2239
2240 no_packet_count=0;
2241 memset(no_packet, 0, sizeof(no_packet));
2242
2243 if (do_pkt_dump) {
2244 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2245 }
2246 /* the following test is needed in case new streams appear
2247 dynamically in stream : we ignore them */
2248 if (pkt.stream_index >= file_table[file_index].nb_streams)
2249 goto discard_packet;
2250 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2251 ist = ist_table[ist_index];
2252 if (ist->discard)
2253 goto discard_packet;
2254
2255 if (pkt.dts != AV_NOPTS_VALUE)
2256 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2257 if (pkt.pts != AV_NOPTS_VALUE)
2258 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2259
2260 if(input_files_ts_scale[file_index][pkt.stream_index]){
2261 if(pkt.pts != AV_NOPTS_VALUE)
2262 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2263 if(pkt.dts != AV_NOPTS_VALUE)
2264 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2265 }
2266
2267 // 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);
2268 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2269 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2270 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2271 int64_t delta= pkt_dts - ist->next_pts;
2272 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2273 input_files_ts_offset[ist->file_index]-= delta;
2274 if (verbose > 2)
2275 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2276 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2277 if(pkt.pts != AV_NOPTS_VALUE)
2278 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2279 }
2280 }
2281
2282 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2283 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2284
2285 if (verbose >= 0)
2286 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2287 ist->file_index, ist->index);
2288 if (exit_on_error)
2289 av_exit(1);
2290 av_free_packet(&pkt);
2291 goto redo;
2292 }
2293
2294 discard_packet:
2295 av_free_packet(&pkt);
2296
2297 /* dump report by using the output first video and audio streams */
2298 print_report(output_files, ost_table, nb_ostreams, 0);
2299 }
2300
2301 /* at the end of stream, we must flush the decoder buffers */
2302 for(i=0;i<nb_istreams;i++) {
2303 ist = ist_table[i];
2304 if (ist->decoding_needed) {
2305 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2306 }
2307 }
2308
2309 term_exit();
2310
2311 /* write the trailer if needed and close file */
2312 for(i=0;i<nb_output_files;i++) {
2313 os = output_files[i];
2314 av_write_trailer(os);
2315 }
2316
2317 /* dump report by using the first video and audio streams */
2318 print_report(output_files, ost_table, nb_ostreams, 1);
2319
2320 /* close each encoder */
2321 for(i=0;i<nb_ostreams;i++) {
2322 ost = ost_table[i];
2323 if (ost->encoding_needed) {
2324 av_freep(&ost->st->codec->stats_in);
2325 avcodec_close(ost->st->codec);
2326 }
2327 }
2328
2329 /* close each decoder */
2330 for(i=0;i<nb_istreams;i++) {
2331 ist = ist_table[i];
2332 if (ist->decoding_needed) {
2333 avcodec_close(ist->st->codec);
2334 }
2335 }
2336
2337 /* finished ! */
2338 ret = 0;
2339
2340 fail:
2341 av_freep(&bit_buffer);
2342 av_free(file_table);
2343
2344 if (ist_table) {
2345 for(i=0;i<nb_istreams;i++) {
2346 ist = ist_table[i];
2347 av_free(ist);
2348 }
2349 av_free(ist_table);
2350 }
2351 if (ost_table) {
2352 for(i=0;i<nb_ostreams;i++) {
2353 ost = ost_table[i];
2354 if (ost) {
2355 if (ost->logfile) {
2356 fclose(ost->logfile);
2357 ost->logfile = NULL;
2358 }
2359 av_fifo_free(ost->fifo); /* works even if fifo is not
2360 initialized but set to zero */
2361 av_free(ost->pict_tmp.data[0]);
2362 if (ost->video_resample)
2363 sws_freeContext(ost->img_resample_ctx);
2364 if (ost->resample)
2365 audio_resample_close(ost->resample);
2366 if (ost->reformat_ctx)
2367 av_audio_convert_free(ost->reformat_ctx);
2368 av_free(ost);
2369 }
2370 }
2371 av_free(ost_table);
2372 }
2373 return ret;
2374 }
2375
2376 static void opt_format(const char *arg)
2377 {
2378 /* compatibility stuff for pgmyuv */
2379 if (!strcmp(arg, "pgmyuv")) {
2380 pgmyuv_compatibility_hack=1;
2381 // opt_image_format(arg);
2382 arg = "image2";
2383 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2384 }
2385
2386 last_asked_format = arg;
2387 }
2388
2389 static void opt_video_rc_override_string(const char *arg)
2390 {
2391 video_rc_override_string = arg;
2392 }
2393
2394 static int opt_me_threshold(const char *opt, const char *arg)
2395 {
2396 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2397 return 0;
2398 }
2399
2400 static int opt_verbose(const char *opt, const char *arg)
2401 {
2402 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2403 return 0;
2404 }
2405
2406 static int opt_frame_rate(const char *opt, const char *arg)
2407 {
2408 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2409 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2410 av_exit(1);
2411 }
2412 return 0;
2413 }
2414
2415 static int opt_bitrate(const char *opt, const char *arg)
2416 {
2417 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2418
2419 opt_default(opt, arg);
2420
2421 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2422 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2423
2424 return 0;
2425 }
2426
2427 static void opt_frame_crop_top(const char *arg)
2428 {
2429 frame_topBand = atoi(arg);
2430 if (frame_topBand < 0) {
2431 fprintf(stderr, "Incorrect top crop size\n");
2432 av_exit(1);
2433 }
2434 if ((frame_topBand) >= frame_height){
2435 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2436 av_exit(1);
2437 }
2438 frame_height -= frame_topBand;
2439 }
2440
2441 static void opt_frame_crop_bottom(const char *arg)
2442 {
2443 frame_bottomBand = atoi(arg);
2444 if (frame_bottomBand < 0) {
2445 fprintf(stderr, "Incorrect bottom crop size\n");
2446 av_exit(1);
2447 }
2448 if ((frame_bottomBand) >= frame_height){
2449 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2450 av_exit(1);
2451 }
2452 frame_height -= frame_bottomBand;
2453 }
2454
2455 static void opt_frame_crop_left(const char *arg)
2456 {
2457 frame_leftBand = atoi(arg);
2458 if (frame_leftBand < 0) {
2459 fprintf(stderr, "Incorrect left crop size\n");
2460 av_exit(1);
2461 }
2462 if ((frame_leftBand) >= frame_width){
2463 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2464 av_exit(1);
2465 }
2466 frame_width -= frame_leftBand;
2467 }
2468
2469 static void opt_frame_crop_right(const char *arg)
2470 {
2471 frame_rightBand = atoi(arg);
2472 if (frame_rightBand < 0) {
2473 fprintf(stderr, "Incorrect right crop size\n");
2474 av_exit(1);
2475 }
2476 if ((frame_rightBand) >= frame_width){
2477 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2478 av_exit(1);
2479 }
2480 frame_width -= frame_rightBand;
2481 }
2482
2483 static void opt_frame_size(const char *arg)
2484 {
2485 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2486 fprintf(stderr, "Incorrect frame size\n");
2487 av_exit(1);
2488 }
2489 }
2490
2491 static void opt_pad_color(const char *arg) {
2492 /* Input is expected to be six hex digits similar to
2493 how colors are expressed in html tags (but without the #) */
2494 int rgb = strtol(arg, NULL, 16);
2495 int r,g,b;
2496
2497 r = (rgb >> 16);
2498 g = ((rgb >> 8) & 255);
2499 b = (rgb & 255);
2500
2501 padcolor[0] = RGB_TO_Y(r,g,b);
2502 padcolor[1] = RGB_TO_U(r,g,b,0);
2503 padcolor[2] = RGB_TO_V(r,g,b,0);
2504 }
2505
2506 static void opt_frame_pad_top(const char *arg)
2507 {
2508 frame_padtop = atoi(arg);
2509 if (frame_padtop < 0) {
2510 fprintf(stderr, "Incorrect top pad size\n");
2511 av_exit(1);
2512 }
2513 }
2514
2515 static void opt_frame_pad_bottom(const char *arg)
2516 {
2517 frame_padbottom = atoi(arg);
2518 if (frame_padbottom < 0) {
2519 fprintf(stderr, "Incorrect bottom pad size\n");
2520 av_exit(1);
2521 }
2522 }
2523
2524
2525 static void opt_frame_pad_left(const char *arg)
2526 {
2527 frame_padleft = atoi(arg);
2528 if (frame_padleft < 0) {
2529 fprintf(stderr, "Incorrect left pad size\n");
2530 av_exit(1);
2531 }
2532 }
2533
2534
2535 static void opt_frame_pad_right(const char *arg)
2536 {
2537 frame_padright = atoi(arg);
2538 if (frame_padright < 0) {
2539 fprintf(stderr, "Incorrect right pad size\n");
2540 av_exit(1);
2541 }
2542 }
2543
2544 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2545 {
2546 int i;
2547 char fmt_str[128];
2548 for (i=-1; i < nb_fmts; i++) {
2549 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2550 fprintf(stdout, "%s\n", fmt_str);
2551 }
2552 }
2553
2554 static void opt_frame_pix_fmt(const char *arg)
2555 {
2556 if (strcmp(arg, "list")) {
2557 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2558 if (frame_pix_fmt == PIX_FMT_NONE) {
2559 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2560 av_exit(1);
2561 }
2562 } else {
2563 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2564 av_exit(0);
2565 }
2566 }
2567
2568 static void opt_frame_aspect_ratio(const char *arg)
2569 {
2570 int x = 0, y = 0;
2571 double ar = 0;
2572 const char *p;
2573 char *end;
2574
2575 p = strchr(arg, ':');
2576 if (p) {
2577 x = strtol(arg, &end, 10);
2578 if (end == p)
2579 y = strtol(end+1, &end, 10);
2580 if (x > 0 && y > 0)
2581 ar = (double)x / (double)y;
2582 } else
2583 ar = strtod(arg, NULL);
2584
2585 if (!ar) {
2586 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2587 av_exit(1);
2588 }
2589 frame_aspect_ratio = ar;
2590 }
2591
2592 static int opt_metadata(const char *opt, const char *arg)
2593 {
2594 char *mid= strchr(arg, '=');
2595
2596 if(!mid){
2597 fprintf(stderr, "Missing =\n");
2598 av_exit(1);
2599 }
2600 *mid++= 0;
2601
2602 metadata_count++;
2603 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2604 metadata[metadata_count-1].key = av_strdup(arg);
2605 metadata[metadata_count-1].value= av_strdup(mid);
2606
2607 return 0;
2608 }
2609
2610 static void opt_qscale(const char *arg)
2611 {
2612 video_qscale = atof(arg);
2613 if (video_qscale <= 0 ||
2614 video_qscale > 255) {
2615 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2616 av_exit(1);
2617 }
2618 }
2619
2620 static void opt_top_field_first(const char *arg)
2621 {
2622 top_field_first= atoi(arg);
2623 }
2624
2625 static int opt_thread_count(const char *opt, const char *arg)
2626 {
2627 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2628 #if !HAVE_THREADS
2629 if (verbose >= 0)
2630 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2631 #endif
2632 return 0;
2633 }
2634
2635 static void opt_audio_sample_fmt(const char *arg)
2636 {
2637 if (strcmp(arg, "list"))
2638 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2639 else {
2640 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2641 av_exit(0);
2642 }
2643 }
2644
2645 static int opt_audio_rate(const char *opt, const char *arg)
2646 {
2647 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2648 return 0;
2649 }
2650
2651 static int opt_audio_channels(const char *opt, const char *arg)
2652 {
2653 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2654 return 0;
2655 }
2656
2657 static void opt_video_channel(const char *arg)
2658 {
2659 video_channel = strtol(arg, NULL, 0);
2660 }
2661
2662 static void opt_video_standard(const char *arg)
2663 {
2664 video_standard = av_strdup(arg);
2665 }
2666
2667 static void opt_codec(int *pstream_copy, char **pcodec_name,
2668 int codec_type, const char *arg)
2669 {
2670 av_freep(pcodec_name);
2671 if (!strcmp(arg, "copy")) {
2672 *pstream_copy = 1;
2673 } else {
2674 *pcodec_name = av_strdup(arg);
2675 }
2676 }
2677
2678 static void opt_audio_codec(const char *arg)
2679 {
2680 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2681 }
2682
2683 static void opt_audio_tag(const char *arg)
2684 {
2685 char *tail;
2686 audio_codec_tag= strtol(arg, &tail, 0);
2687
2688 if(!tail || *tail)
2689 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2690 }
2691
2692 static void opt_video_tag(const char *arg)
2693 {
2694 char *tail;
2695 video_codec_tag= strtol(arg, &tail, 0);
2696
2697 if(!tail || *tail)
2698 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2699 }
2700
2701 static void opt_video_codec(const char *arg)
2702 {
2703 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2704 }
2705
2706 static void opt_subtitle_codec(const char *arg)
2707 {
2708 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2709 }
2710
2711 static void opt_subtitle_tag(const char *arg)
2712 {
2713 char *tail;
2714 subtitle_codec_tag= strtol(arg, &tail, 0);
2715
2716 if(!tail || *tail)
2717 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2718 }
2719
2720 static void opt_map(const char *arg)
2721 {
2722 AVStreamMap *m;
2723 char *p;
2724
2725 m = &stream_maps[nb_stream_maps++];
2726
2727 m->file_index = strtol(arg, &p, 0);
2728 if (*p)
2729 p++;
2730
2731 m->stream_index = strtol(p, &p, 0);
2732 if (*p) {
2733 p++;
2734 m->sync_file_index = strtol(p, &p, 0);
2735 if (*p)
2736 p++;
2737 m->sync_stream_index = strtol(p, &p, 0);
2738 } else {
2739 m->sync_file_index = m->file_index;
2740 m->sync_stream_index = m->stream_index;
2741 }
2742 }
2743
2744 static void opt_map_meta_data(const char *arg)
2745 {
2746 AVMetaDataMap *m;
2747 char *p;
2748
2749 m = &meta_data_maps[nb_meta_data_maps++];
2750
2751 m->out_file = strtol(arg, &p, 0);
2752 if (*p)
2753 p++;
2754
2755 m->in_file = strtol(p, &p, 0);
2756 }
2757
2758 static void opt_input_ts_scale(const char *arg)
2759 {
2760 unsigned int stream;
2761 double scale;
2762 char *p;
2763
2764 stream = strtol(arg, &p, 0);
2765 if (*p)
2766 p++;
2767 scale= strtod(p, &p);
2768
2769 if(stream >= MAX_STREAMS)
2770 av_exit(1);
2771
2772 input_files_ts_scale[nb_input_files][stream]= scale;
2773 }
2774
2775 static int opt_recording_time(const char *opt, const char *arg)
2776 {
2777 recording_time = parse_time_or_die(opt, arg, 1);
2778 return 0;
2779 }
2780
2781 static int opt_start_time(const char *opt, const char *arg)
2782 {
2783 start_time = parse_time_or_die(opt, arg, 1);
2784 return 0;
2785 }
2786
2787 static int opt_rec_timestamp(const char *opt, const char *arg)
2788 {
2789 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2790 return 0;
2791 }
2792
2793 static int opt_input_ts_offset(const char *opt, const char *arg)
2794 {
2795 input_ts_offset = parse_time_or_die(opt, arg, 1);
2796 return 0;
2797 }
2798
2799 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2800 {
2801 const char *codec_string = encoder ? "encoder" : "decoder";
2802 AVCodec *codec;
2803
2804 if(!name)
2805 return CODEC_ID_NONE;
2806 codec = encoder ?
2807 avcodec_find_encoder_by_name(name) :
2808 avcodec_find_decoder_by_name(name);
2809 if(!codec) {
2810 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2811 av_exit(1);
2812 }
2813 if(codec->type != type) {
2814 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2815 av_exit(1);
2816 }
2817 return codec->id;
2818 }
2819
2820 static void opt_input_file(const char *filename)
2821 {
2822 AVFormatContext *ic;
2823 AVFormatParameters params, *ap = &params;
2824 AVInputFormat *file_iformat = NULL;
2825 int err, i, ret, rfps, rfps_base;
2826 int64_t timestamp;
2827
2828 if (last_asked_format) {
2829 file_iformat = av_find_input_format(last_asked_format);
2830 last_asked_format = NULL;
2831 }
2832
2833 if (!strcmp(filename, "-"))
2834 filename = "pipe:";
2835
2836 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2837 !strcmp(filename, "/dev/stdin");
2838
2839 /* get default parameters from command line */
2840 ic = avformat_alloc_context();
2841 if (!ic) {
2842 print_error(filename, AVERROR(ENOMEM));
2843 av_exit(1);
2844 }
2845
2846 memset(ap, 0, sizeof(*ap));
2847 ap->prealloced_context = 1;
2848 ap->sample_rate = audio_sample_rate;
2849 ap->channels = audio_channels;
2850 ap->time_base.den = frame_rate.num;
2851 ap->time_base.num = frame_rate.den;
2852 ap->width = frame_width + frame_padleft + frame_padright;
2853 ap->height = frame_height + frame_padtop + frame_padbottom;
2854 ap->pix_fmt = frame_pix_fmt;
2855 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2856 ap->channel = video_channel;
2857 ap->standard = video_standard;
2858 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2859 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2860 if(pgmyuv_compatibility_hack)
2861 ap->video_codec_id= CODEC_ID_PGMYUV;
2862
2863 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2864
2865 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2866 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2867 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2868 ic->flags |= AVFMT_FLAG_NONBLOCK;
2869
2870 /* open the input file with generic libav function */
2871 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2872 if (err < 0) {
2873 print_error(filename, err);
2874 av_exit(1);
2875 }
2876 if(opt_programid) {
2877 int i;
2878 for(i=0; i<ic->nb_programs; i++)
2879 if(ic->programs[i]->id != opt_programid)
2880 ic->programs[i]->discard = AVDISCARD_ALL;
2881 }
2882
2883 ic->loop_input = loop_input;
2884
2885 /* If not enough info to get the stream parameters, we decode the
2886 first frames to get it. (used in mpeg case for example) */
2887 ret = av_find_stream_info(ic);
2888 if (ret < 0 && verbose >= 0) {
2889 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2890 av_exit(1);
2891 }
2892
2893 timestamp = start_time;
2894 /* add the stream start time */
2895 if (ic->start_time != AV_NOPTS_VALUE)
2896 timestamp += ic->start_time;
2897
2898 /* if seeking requested, we execute it */
2899 if (start_time != 0) {
2900 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2901 if (ret < 0) {
2902 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2903 filename, (double)timestamp / AV_TIME_BASE);
2904 }
2905 /* reset seek info */
2906 start_time = 0;
2907 }
2908
2909 /* update the current parameters so that they match the one of the input stream */
2910 for(i=0;i<ic->nb_streams;i++) {
2911 AVCodecContext *enc = ic->streams[i]->codec;
2912 if(thread_count>1)
2913 avcodec_thread_init(enc, thread_count);
2914 enc->thread_count= thread_count;
2915 switch(enc->codec_type) {
2916 case CODEC_TYPE_AUDIO:
2917 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2918 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2919 channel_layout = enc->channel_layout;
2920 audio_channels = enc->channels;
2921 audio_sample_rate = enc->sample_rate;
2922 audio_sample_fmt = enc->sample_fmt;
2923 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2924 if(audio_disable)
2925 ic->streams[i]->discard= AVDISCARD_ALL;
2926 break;
2927 case CODEC_TYPE_VIDEO:
2928 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2929 frame_height = enc->height;
2930 frame_width = enc->width;
2931 if(ic->streams[i]->sample_aspect_ratio.num)
2932 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2933 else
2934 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2935 frame_aspect_ratio *= (float) enc->width / enc->height;
2936 frame_pix_fmt = enc->pix_fmt;
2937 rfps = ic->streams[i]->r_frame_rate.num;
2938 rfps_base = ic->streams[i]->r_frame_rate.den;
2939 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2940 if(me_threshold)
2941 enc->debug |= FF_DEBUG_MV;
2942
2943 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2944
2945 if (verbose >= 0)
2946 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2947 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2948
2949 (float)rfps / rfps_base, rfps, rfps_base);
2950 }
2951 /* update the current frame rate to match the stream frame rate */
2952 frame_rate.num = rfps;
2953 frame_rate.den = rfps_base;
2954
2955 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2956 if(video_disable)
2957 ic->streams[i]->discard= AVDISCARD_ALL;
2958 else if(video_discard)
2959 ic->streams[i]->discard= video_discard;
2960 break;
2961 case CODEC_TYPE_DATA:
2962 break;
2963 case CODEC_TYPE_SUBTITLE:
2964 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2965 if(subtitle_disable)
2966 ic->streams[i]->discard = AVDISCARD_ALL;
2967 break;
2968 case CODEC_TYPE_ATTACHMENT:
2969 case CODEC_TYPE_UNKNOWN:
2970 nb_icodecs++;
2971 break;
2972 default:
2973 abort();
2974 }
2975 }
2976
2977 input_files[nb_input_files] = ic;
2978 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2979 /* dump the file content */
2980 if (verbose >= 0)
2981 dump_format(ic, nb_input_files, filename, 0);
2982
2983 nb_input_files++;
2984
2985 video_channel = 0;
2986
2987 av_freep(&video_codec_name);
2988 av_freep(&audio_codec_name);
2989 av_freep(&subtitle_codec_name);
2990 }
2991
2992 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2993 int *has_subtitle_ptr)
2994 {
2995 int has_video, has_audio, has_subtitle, i, j;
2996 AVFormatContext *ic;
2997
2998 has_video = 0;
2999 has_audio = 0;
3000 has_subtitle = 0;
3001 for(j=0;j<nb_input_files;j++) {
3002 ic = input_files[j];
3003 for(i=0;i<ic->nb_streams;i++) {
3004 AVCodecContext *enc = ic->streams[i]->codec;
3005 switch(enc->codec_type) {
3006 case CODEC_TYPE_AUDIO:
3007 has_audio = 1;
3008 break;
3009 case CODEC_TYPE_VIDEO:
3010 has_video = 1;
3011 break;
3012 case CODEC_TYPE_SUBTITLE:
3013 has_subtitle = 1;
3014 break;
3015 case CODEC_TYPE_DATA:
3016 case CODEC_TYPE_ATTACHMENT:
3017 case CODEC_TYPE_UNKNOWN:
3018 break;
3019 default:
3020 abort();
3021 }
3022 }
3023 }
3024 *has_video_ptr = has_video;
3025 *has_audio_ptr = has_audio;
3026 *has_subtitle_ptr = has_subtitle;
3027 }
3028
3029 static void new_video_stream(AVFormatContext *oc)
3030 {
3031 AVStream *st;
3032 AVCodecContext *video_enc;
3033 enum CodecID codec_id;
3034
3035 st = av_new_stream(oc, oc->nb_streams);
3036 if (!st) {
3037 fprintf(stderr, "Could not alloc stream\n");
3038 av_exit(1);
3039 }
3040 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3041 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3042 video_bitstream_filters= NULL;
3043
3044 if(thread_count>1)
3045 avcodec_thread_init(st->codec, thread_count);
3046
3047 video_enc = st->codec;
3048
3049 if(video_codec_tag)
3050 video_enc->codec_tag= video_codec_tag;
3051
3052 if( (video_global_header&1)
3053 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3054 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3055 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3056 }
3057 if(video_global_header&2){
3058 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3059 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3060 }
3061
3062 if (video_stream_copy) {
3063 st->stream_copy = 1;
3064 video_enc->codec_type = CODEC_TYPE_VIDEO;
3065 video_enc->sample_aspect_ratio =
3066 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3067 } else {
3068 const char *p;
3069 int i;
3070 AVCodec *codec;
3071 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3072
3073 if (video_codec_name) {
3074 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3075 codec = avcodec_find_encoder_by_name(video_codec_name);
3076 output_codecs[nb_ocodecs] = codec;
3077 } else {
3078 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3079 codec = avcodec_find_encoder(codec_id);
3080 }
3081
3082 video_enc->codec_id = codec_id;
3083
3084 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3085
3086 if (codec && codec->supported_framerates && !force_fps)
3087 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3088 video_enc->time_base.den = fps.num;
3089 video_enc->time_base.num = fps.den;
3090
3091 video_enc->width = frame_width + frame_padright + frame_padleft;
3092 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3093 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3094 video_enc->pix_fmt = frame_pix_fmt;
3095 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3096
3097 if(codec && codec->pix_fmts){
3098 const enum PixelFormat *p= codec->pix_fmts;
3099 for(; *p!=-1; p++){
3100 if(*p == video_enc->pix_fmt)
3101 break;
3102 }
3103 if(*p == -1)
3104 video_enc->pix_fmt = codec->pix_fmts[0];
3105 }
3106
3107 if (intra_only)
3108 video_enc->gop_size = 0;
3109 if (video_qscale || same_quality) {
3110 video_enc->flags |= CODEC_FLAG_QSCALE;
3111 video_enc->global_quality=
3112 st->quality = FF_QP2LAMBDA * video_qscale;
3113 }
3114
3115 if(intra_matrix)
3116 video_enc->intra_matrix = intra_matrix;
3117 if(inter_matrix)
3118 video_enc->inter_matrix = inter_matrix;
3119
3120 video_enc->thread_count = thread_count;
3121 p= video_rc_override_string;
3122 for(i=0; p; i++){
3123 int start, end, q;
3124 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3125 if(e!=3){
3126 fprintf(stderr, "error parsing rc_override\n");
3127 av_exit(1);
3128 }
3129 video_enc->rc_override=
3130 av_realloc(video_enc->rc_override,
3131 sizeof(RcOverride)*(i+1));
3132 video_enc->rc_override[i].start_frame= start;
3133 video_enc->rc_override[i].end_frame = end;
3134 if(q>0){
3135 video_enc->rc_override[i].qscale= q;
3136 video_enc->rc_override[i].quality_factor= 1.0;
3137 }
3138 else{
3139 video_enc->rc_override[i].qscale= 0;
3140 video_enc->rc_override[i].quality_factor= -q/100.0;
3141 }
3142 p= strchr(p, '/');
3143 if(p) p++;
3144 }
3145 video_enc->rc_override_count=i;
3146 if (!video_enc->rc_initial_buffer_occupancy)
3147 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3148 video_enc->me_threshold= me_threshold;
3149 video_enc->intra_dc_precision= intra_dc_precision - 8;
3150
3151 if (do_psnr)
3152 video_enc->flags|= CODEC_FLAG_PSNR;
3153
3154 /* two pass mode */
3155 if (do_pass) {
3156 if (do_pass == 1) {
3157 video_enc->flags |= CODEC_FLAG_PASS1;
3158 } else {
3159 video_enc->flags |= CODEC_FLAG_PASS2;
3160 }
3161 }
3162 }
3163 nb_ocodecs++;
3164
3165 /* reset some key parameters */
3166 video_disable = 0;
3167 av_freep(&video_codec_name);
3168 video_stream_copy = 0;
3169 }
3170
3171 static void new_audio_stream(AVFormatContext *oc)
3172 {
3173 AVStream *st;
3174 AVCodecContext *audio_enc;
3175 enum CodecID codec_id;
3176
3177 st = av_new_stream(oc, oc->nb_streams);
3178 if (!st) {
3179 fprintf(stderr, "Could not alloc stream\n");
3180 av_exit(1);
3181 }
3182 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3183
3184 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3185 audio_bitstream_filters= NULL;
3186
3187 if(thread_count>1)
3188 avcodec_thread_init(st->codec, thread_count);
3189
3190 audio_enc = st->codec;
3191 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3192
3193 if(audio_codec_tag)
3194 audio_enc->codec_tag= audio_codec_tag;
3195
3196 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {