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Split codec-regression.sh, and create the lavf-regression.sh script.
[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 AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
100
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
105
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
108
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
111
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 static const char *video_rc_override_string=NULL;
134 static int video_disable = 0;
135 static int video_discard = 0;
136 static char *video_codec_name = NULL;
137 static int video_codec_tag = 0;
138 static int same_quality = 0;
139 static int do_deinterlace = 0;
140 static int top_field_first = -1;
141 static int me_threshold = 0;
142 static int intra_dc_precision = 8;
143 static int loop_input = 0;
144 static int loop_output = AVFMT_NOOUTPUTLOOP;
145 static int qp_hist = 0;
146
147 static int intra_only = 0;
148 static int audio_sample_rate = 44100;
149 static int64_t channel_layout = 0;
150 #define QSCALE_NONE -99999
151 static float audio_qscale = QSCALE_NONE;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static char *audio_codec_name = NULL;
155 static int audio_codec_tag = 0;
156 static char *audio_language = NULL;
157
158 static int subtitle_disable = 0;
159 static char *subtitle_codec_name = NULL;
160 static char *subtitle_language = NULL;
161 static int subtitle_codec_tag = 0;
162
163 static float mux_preload= 0.5;
164 static float mux_max_delay= 0.7;
165
166 static int64_t recording_time = INT64_MAX;
167 static int64_t start_time = 0;
168 static int64_t rec_timestamp = 0;
169 static int64_t input_ts_offset = 0;
170 static int file_overwrite = 0;
171 static int metadata_count;
172 static AVMetadataTag *metadata;
173 static int do_benchmark = 0;
174 static int do_hex_dump = 0;
175 static int do_pkt_dump = 0;
176 static int do_psnr = 0;
177 static int do_pass = 0;
178 static char *pass_logfilename_prefix = NULL;
179 static int audio_stream_copy = 0;
180 static int video_stream_copy = 0;
181 static int subtitle_stream_copy = 0;
182 static int video_sync_method= -1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int opt_shortest = 0;
187 static int video_global_header = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190 static int opt_programid = 0;
191 static int copy_initial_nonkeyframes = 0;
192
193 static int rate_emu = 0;
194
195 static int video_channel = 0;
196 static char *video_standard;
197
198 static int audio_volume = 256;
199
200 static int exit_on_error = 0;
201 static int using_stdin = 0;
202 static int verbose = 1;
203 static int thread_count= 1;
204 static int q_pressed = 0;
205 static int64_t video_size = 0;
206 static int64_t audio_size = 0;
207 static int64_t extra_size = 0;
208 static int nb_frames_dup = 0;
209 static int nb_frames_drop = 0;
210 static int input_sync;
211 static uint64_t limit_filesize = 0;
212 static int force_fps = 0;
213
214 static int pgmyuv_compatibility_hack=0;
215 static float dts_delta_threshold = 10;
216
217 static unsigned int sws_flags = SWS_BICUBIC;
218
219 static int64_t timer_start;
220
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 static uint8_t *audio_out2;
224
225 static short *samples;
226
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
231
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
233
234 struct AVInputStream;
235
236 typedef struct AVOutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* AVInputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
242 int frame_number;
243 /* input pts and corresponding output pts
244 for A/V sync */
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct AVInputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
248 /* video only */
249 int video_resample;
250 AVFrame pict_tmp; /* temporary image for resampling */
251 struct SwsContext *img_resample_ctx; /* for image resampling */
252 int resample_height;
253 int resample_width;
254 int resample_pix_fmt;
255
256 /* full frame size of first frame */
257 int original_height;
258 int original_width;
259
260 /* cropping area sizes */
261 int video_crop;
262 int topBand;
263 int bottomBand;
264 int leftBand;
265 int rightBand;
266
267 /* cropping area of first frame */
268 int original_topBand;
269 int original_bottomBand;
270 int original_leftBand;
271 int original_rightBand;
272
273 /* padding area sizes */
274 int video_pad;
275 int padtop;
276 int padbottom;
277 int padleft;
278 int padright;
279
280 /* audio only */
281 int audio_resample;
282 ReSampleContext *resample; /* for audio resampling */
283 int reformat_pair;
284 AVAudioConvert *reformat_ctx;
285 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
286 FILE *logfile;
287 } AVOutputStream;
288
289 typedef struct AVInputStream {
290 int file_index;
291 int index;
292 AVStream *st;
293 int discard; /* true if stream data should be discarded */
294 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
295 int64_t sample_index; /* current sample */
296
297 int64_t start; /* time when read started */
298 int64_t next_pts; /* synthetic pts for cases where pkt.pts
299 is not defined */
300 int64_t pts; /* current pts */
301 int is_start; /* is 1 at the start and after a discontinuity */
302 } AVInputStream;
303
304 typedef struct AVInputFile {
305 int eof_reached; /* true if eof reached */
306 int ist_index; /* index of first stream in ist_table */
307 int buffer_size; /* current total buffer size */
308 int nb_streams; /* nb streams we are aware of */
309 } AVInputFile;
310
311 #if HAVE_TERMIOS_H
312
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
315 #endif
316
317 static void term_exit(void)
318 {
319 #if HAVE_TERMIOS_H
320 tcsetattr (0, TCSANOW, &oldtty);
321 #endif
322 }
323
324 static volatile int received_sigterm = 0;
325
326 static void
327 sigterm_handler(int sig)
328 {
329 received_sigterm = sig;
330 term_exit();
331 }
332
333 static void term_init(void)
334 {
335 #if HAVE_TERMIOS_H
336 struct termios tty;
337
338 tcgetattr (0, &tty);
339 oldtty = tty;
340
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
346 tty.c_cflag |= CS8;
347 tty.c_cc[VMIN] = 1;
348 tty.c_cc[VTIME] = 0;
349
350 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
352 #endif
353
354 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
355 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
356 /*
357 register a function to be called at normal program termination
358 */
359 atexit(term_exit);
360 #if CONFIG_BEOS_NETSERVER
361 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
362 #endif
363 }
364
365 /* read a key without blocking */
366 static int read_key(void)
367 {
368 #if HAVE_TERMIOS_H
369 int n = 1;
370 unsigned char ch;
371 #if !CONFIG_BEOS_NETSERVER
372 struct timeval tv;
373 fd_set rfds;
374
375 FD_ZERO(&rfds);
376 FD_SET(0, &rfds);
377 tv.tv_sec = 0;
378 tv.tv_usec = 0;
379 n = select(1, &rfds, NULL, NULL, &tv);
380 #endif
381 if (n > 0) {
382 n = read(0, &ch, 1);
383 if (n == 1)
384 return ch;
385
386 return n;
387 }
388 #elif HAVE_CONIO_H
389 if(kbhit())
390 return(getch());
391 #endif
392 return -1;
393 }
394
395 static int decode_interrupt_cb(void)
396 {
397 return q_pressed || (q_pressed = read_key() == 'q');
398 }
399
400 static int av_exit(int ret)
401 {
402 int i;
403
404 /* close files */
405 for(i=0;i<nb_output_files;i++) {
406 /* maybe av_close_output_file ??? */
407 AVFormatContext *s = output_files[i];
408 int j;
409 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
410 url_fclose(s->pb);
411 for(j=0;j<s->nb_streams;j++) {
412 av_metadata_free(&s->streams[j]->metadata);
413 av_free(s->streams[j]->codec);
414 av_free(s->streams[j]);
415 }
416 for(j=0;j<s->nb_programs;j++) {
417 av_metadata_free(&s->programs[j]->metadata);
418 }
419 for(j=0;j<s->nb_chapters;j++) {
420 av_metadata_free(&s->chapters[j]->metadata);
421 }
422 av_metadata_free(&s->metadata);
423 av_free(s);
424 }
425 for(i=0;i<nb_input_files;i++)
426 av_close_input_file(input_files[i]);
427
428 av_free(intra_matrix);
429 av_free(inter_matrix);
430
431 if (vstats_file)
432 fclose(vstats_file);
433 av_free(vstats_filename);
434
435 av_free(opt_names);
436
437 av_free(video_codec_name);
438 av_free(audio_codec_name);
439 av_free(subtitle_codec_name);
440
441 av_free(video_standard);
442
443 #if CONFIG_POWERPC_PERF
444 void powerpc_display_perf_report(void);
445 powerpc_display_perf_report();
446 #endif /* CONFIG_POWERPC_PERF */
447
448 for (i=0;i<CODEC_TYPE_NB;i++)
449 av_free(avcodec_opts[i]);
450 av_free(avformat_opts);
451 av_free(sws_opts);
452 av_free(audio_buf);
453 av_free(audio_out);
454 av_free(audio_out2);
455 av_free(samples);
456
457 if (received_sigterm) {
458 fprintf(stderr,
459 "Received signal %d: terminating.\n",
460 (int) received_sigterm);
461 exit (255);
462 }
463
464 exit(ret); /* not all OS-es handle main() return value */
465 return ret;
466 }
467
468 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
469 {
470 int i, err;
471 AVFormatContext *ic;
472 int nopts = 0;
473
474 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
475 if (err < 0)
476 return err;
477 /* copy stream format */
478 s->nb_streams = ic->nb_streams;
479 for(i=0;i<ic->nb_streams;i++) {
480 AVStream *st;
481
482 // FIXME: a more elegant solution is needed
483 st = av_mallocz(sizeof(AVStream));
484 memcpy(st, ic->streams[i], sizeof(AVStream));
485 st->codec = avcodec_alloc_context();
486 if (!st->codec) {
487 print_error(filename, AVERROR(ENOMEM));
488 av_exit(1);
489 }
490 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
491 s->streams[i] = st;
492
493 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
494 st->stream_copy = 1;
495 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
496 st->stream_copy = 1;
497
498 if(!st->codec->thread_count)
499 st->codec->thread_count = 1;
500 if(st->codec->thread_count>1)
501 avcodec_thread_init(st->codec, st->codec->thread_count);
502
503 if(st->codec->flags & CODEC_FLAG_BITEXACT)
504 nopts = 1;
505 }
506
507 if (!nopts)
508 s->timestamp = av_gettime();
509
510 av_close_input_file(ic);
511 return 0;
512 }
513
514 static double
515 get_sync_ipts(const AVOutputStream *ost)
516 {
517 const AVInputStream *ist = ost->sync_ist;
518 return (double)(ist->pts - start_time)/AV_TIME_BASE;
519 }
520
521 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
522 int ret;
523
524 while(bsfc){
525 AVPacket new_pkt= *pkt;
526 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
527 &new_pkt.data, &new_pkt.size,
528 pkt->data, pkt->size,
529 pkt->flags & PKT_FLAG_KEY);
530 if(a>0){
531 av_free_packet(pkt);
532 new_pkt.destruct= av_destruct_packet;
533 } else if(a<0){
534 fprintf(stderr, "%s failed for stream %d, codec %s",
535 bsfc->filter->name, pkt->stream_index,
536 avctx->codec ? avctx->codec->name : "copy");
537 print_error("", a);
538 if (exit_on_error)
539 av_exit(1);
540 }
541 *pkt= new_pkt;
542
543 bsfc= bsfc->next;
544 }
545
546 ret= av_interleaved_write_frame(s, pkt);
547 if(ret < 0){
548 print_error("av_interleaved_write_frame()", ret);
549 av_exit(1);
550 }
551 }
552
553 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
554
555 static void do_audio_out(AVFormatContext *s,
556 AVOutputStream *ost,
557 AVInputStream *ist,
558 unsigned char *buf, int size)
559 {
560 uint8_t *buftmp;
561 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
562
563 int size_out, frame_bytes, ret;
564 AVCodecContext *enc= ost->st->codec;
565 AVCodecContext *dec= ist->st->codec;
566 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
567 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
568
569 /* SC: dynamic allocation of buffers */
570 if (!audio_buf)
571 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
572 if (!audio_out)
573 audio_out = av_malloc(audio_out_size);
574 if (!audio_buf || !audio_out)
575 return; /* Should signal an error ! */
576
577 if (enc->channels != dec->channels)
578 ost->audio_resample = 1;
579
580 if (ost->audio_resample && !ost->resample) {
581 if (dec->sample_fmt != SAMPLE_FMT_S16)
582 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
583 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
584 enc->sample_rate, dec->sample_rate,
585 enc->sample_fmt, dec->sample_fmt,
586 16, 10, 0, 0.8);
587 if (!ost->resample) {
588 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
589 dec->channels, dec->sample_rate,
590 enc->channels, enc->sample_rate);
591 av_exit(1);
592 }
593 }
594
595 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
596 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
597 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
598 if (!audio_out2)
599 audio_out2 = av_malloc(audio_out_size);
600 if (!audio_out2)
601 av_exit(1);
602 if (ost->reformat_ctx)
603 av_audio_convert_free(ost->reformat_ctx);
604 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
605 dec->sample_fmt, 1, NULL, 0);
606 if (!ost->reformat_ctx) {
607 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
608 avcodec_get_sample_fmt_name(dec->sample_fmt),
609 avcodec_get_sample_fmt_name(enc->sample_fmt));
610 av_exit(1);
611 }
612 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
613 }
614
615 if(audio_sync_method){
616 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
617 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
618 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
619 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
620
621 //FIXME resample delay
622 if(fabs(delta) > 50){
623 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
624 if(byte_delta < 0){
625 byte_delta= FFMAX(byte_delta, -size);
626 size += byte_delta;
627 buf -= byte_delta;
628 if(verbose > 2)
629 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
630 if(!size)
631 return;
632 ist->is_start=0;
633 }else{
634 static uint8_t *input_tmp= NULL;
635 input_tmp= av_realloc(input_tmp, byte_delta + size);
636
637 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
638 ist->is_start=0;
639 else
640 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
641
642 memset(input_tmp, 0, byte_delta);
643 memcpy(input_tmp + byte_delta, buf, size);
644 buf= input_tmp;
645 size += byte_delta;
646 if(verbose > 2)
647 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
648 }
649 }else if(audio_sync_method>1){
650 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
651 assert(ost->audio_resample);
652 if(verbose > 2)
653 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
654 // 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));
655 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
656 }
657 }
658 }else
659 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
660 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
661
662 if (ost->audio_resample) {
663 buftmp = audio_buf;
664 size_out = audio_resample(ost->resample,
665 (short *)buftmp, (short *)buf,
666 size / (ist->st->codec->channels * isize));
667 size_out = size_out * enc->channels * osize;
668 } else {
669 buftmp = buf;
670 size_out = size;
671 }
672
673 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
674 const void *ibuf[6]= {buftmp};
675 void *obuf[6]= {audio_out2};
676 int istride[6]= {isize};
677 int ostride[6]= {osize};
678 int len= size_out/istride[0];
679 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
680 printf("av_audio_convert() failed\n");
681 if (exit_on_error)
682 av_exit(1);
683 return;
684 }
685 buftmp = audio_out2;
686 size_out = len*osize;
687 }
688
689 /* now encode as many frames as possible */
690 if (enc->frame_size > 1) {
691 /* output resampled raw samples */
692 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
693 fprintf(stderr, "av_fifo_realloc2() failed\n");
694 av_exit(1);
695 }
696 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
697
698 frame_bytes = enc->frame_size * osize * enc->channels;
699
700 while (av_fifo_size(ost->fifo) >= frame_bytes) {
701 AVPacket pkt;
702 av_init_packet(&pkt);
703
704 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
705
706 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
707
708 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
709 (short *)audio_buf);
710 if (ret < 0) {
711 fprintf(stderr, "Audio encoding failed\n");
712 av_exit(1);
713 }
714 audio_size += ret;
715 pkt.stream_index= ost->index;
716 pkt.data= audio_out;
717 pkt.size= ret;
718 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
719 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
720 pkt.flags |= PKT_FLAG_KEY;
721 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
722
723 ost->sync_opts += enc->frame_size;
724 }
725 } else {
726 AVPacket pkt;
727 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
728 av_init_packet(&pkt);
729
730 ost->sync_opts += size_out / (osize * enc->channels);
731
732 /* output a pcm frame */
733 /* determine the size of the coded buffer */
734 size_out /= osize;
735 if (coded_bps)
736 size_out *= coded_bps;
737
738 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
739 ret = avcodec_encode_audio(enc, audio_out, size_out,
740 (short *)buftmp);
741 if (ret < 0) {
742 fprintf(stderr, "Audio encoding failed\n");
743 av_exit(1);
744 }
745 audio_size += ret;
746 pkt.stream_index= ost->index;
747 pkt.data= audio_out;
748 pkt.size= ret;
749 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
750 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
751 pkt.flags |= PKT_FLAG_KEY;
752 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
753 }
754 }
755
756 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
757 {
758 AVCodecContext *dec;
759 AVPicture *picture2;
760 AVPicture picture_tmp;
761 uint8_t *buf = 0;
762
763 dec = ist->st->codec;
764
765 /* deinterlace : must be done before any resize */
766 if (do_deinterlace) {
767 int size;
768
769 /* create temporary picture */
770 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
771 buf = av_malloc(size);
772 if (!buf)
773 return;
774
775 picture2 = &picture_tmp;
776 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
777
778 if(avpicture_deinterlace(picture2, picture,
779 dec->pix_fmt, dec->width, dec->height) < 0) {
780 /* if error, do not deinterlace */
781 fprintf(stderr, "Deinterlacing failed\n");
782 av_free(buf);
783 buf = NULL;
784 picture2 = picture;
785 }
786 } else {
787 picture2 = picture;
788 }
789
790 if (picture != picture2)
791 *picture = *picture2;
792 *bufp = buf;
793 }
794
795 /* we begin to correct av delay at this threshold */
796 #define AV_DELAY_MAX 0.100
797
798 static void do_subtitle_out(AVFormatContext *s,
799 AVOutputStream *ost,
800 AVInputStream *ist,
801 AVSubtitle *sub,
802 int64_t pts)
803 {
804 static uint8_t *subtitle_out = NULL;
805 int subtitle_out_max_size = 1024 * 1024;
806 int subtitle_out_size, nb, i;
807 AVCodecContext *enc;
808 AVPacket pkt;
809
810 if (pts == AV_NOPTS_VALUE) {
811 fprintf(stderr, "Subtitle packets must have a pts\n");
812 if (exit_on_error)
813 av_exit(1);
814 return;
815 }
816
817 enc = ost->st->codec;
818
819 if (!subtitle_out) {
820 subtitle_out = av_malloc(subtitle_out_max_size);
821 }
822
823 /* Note: DVB subtitle need one packet to draw them and one other
824 packet to clear them */
825 /* XXX: signal it in the codec context ? */
826 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
827 nb = 2;
828 else
829 nb = 1;
830
831 for(i = 0; i < nb; i++) {
832 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
833 // start_display_time is required to be 0
834 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
835 sub->end_display_time -= sub->start_display_time;
836 sub->start_display_time = 0;
837 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
838 subtitle_out_max_size, sub);
839 if (subtitle_out_size < 0) {
840 fprintf(stderr, "Subtitle encoding failed\n");
841 av_exit(1);
842 }
843
844 av_init_packet(&pkt);
845 pkt.stream_index = ost->index;
846 pkt.data = subtitle_out;
847 pkt.size = subtitle_out_size;
848 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
849 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
850 /* XXX: the pts correction is handled here. Maybe handling
851 it in the codec would be better */
852 if (i == 0)
853 pkt.pts += 90 * sub->start_display_time;
854 else
855 pkt.pts += 90 * sub->end_display_time;
856 }
857 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
858 }
859 }
860
861 static int bit_buffer_size= 1024*256;
862 static uint8_t *bit_buffer= NULL;
863
864 static void do_video_out(AVFormatContext *s,
865 AVOutputStream *ost,
866 AVInputStream *ist,
867 AVFrame *in_picture,
868 int *frame_size)
869 {
870 int nb_frames, i, ret;
871 int64_t topBand, bottomBand, leftBand, rightBand;
872 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
873 AVFrame picture_crop_temp, picture_pad_temp;
874 AVCodecContext *enc, *dec;
875
876 avcodec_get_frame_defaults(&picture_crop_temp);
877 avcodec_get_frame_defaults(&picture_pad_temp);
878
879 enc = ost->st->codec;
880 dec = ist->st->codec;
881
882 /* by default, we output a single frame */
883 nb_frames = 1;
884
885 *frame_size = 0;
886
887 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
888 double vdelta;
889 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
890 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
891 if (vdelta < -1.1)
892 nb_frames = 0;
893 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
894 if(vdelta<=-0.6){
895 nb_frames=0;
896 }else if(vdelta>0.6)
897 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
898 }else if (vdelta > 1.1)
899 nb_frames = lrintf(vdelta);
900 //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);
901 if (nb_frames == 0){
902 ++nb_frames_drop;
903 if (verbose>2)
904 fprintf(stderr, "*** drop!\n");
905 }else if (nb_frames > 1) {
906 nb_frames_dup += nb_frames;
907 if (verbose>2)
908 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
909 }
910 }else
911 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
912
913 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
914 if (nb_frames <= 0)
915 return;
916
917 if (ost->video_crop) {
918 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
919 fprintf(stderr, "error cropping picture\n");
920 if (exit_on_error)
921 av_exit(1);
922 return;
923 }
924 formatted_picture = &picture_crop_temp;
925 } else {
926 formatted_picture = in_picture;
927 }
928
929 final_picture = formatted_picture;
930 padding_src = formatted_picture;
931 resampling_dst = &ost->pict_tmp;
932 if (ost->video_pad) {
933 final_picture = &ost->pict_tmp;
934 if (ost->video_resample) {
935 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
936 fprintf(stderr, "error padding picture\n");
937 if (exit_on_error)
938 av_exit(1);
939 return;
940 }
941 resampling_dst = &picture_pad_temp;
942 }
943 }
944
945 if (ost->video_resample) {
946 padding_src = NULL;
947 final_picture = &ost->pict_tmp;
948 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
949 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
950 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
951
952 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));
953 /* keep bands proportional to the frame size */
954 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
955 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
956 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
957 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
958
959 /* sanity check to ensure no bad band sizes sneak in */
960 assert(topBand <= INT_MAX && topBand >= 0);
961 assert(bottomBand <= INT_MAX && bottomBand >= 0);
962 assert(leftBand <= INT_MAX && leftBand >= 0);
963 assert(rightBand <= INT_MAX && rightBand >= 0);
964
965 ost->topBand = topBand;
966 ost->bottomBand = bottomBand;
967 ost->leftBand = leftBand;
968 ost->rightBand = rightBand;
969
970 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
971 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
972 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
973
974 /* initialize a new scaler context */
975 sws_freeContext(ost->img_resample_ctx);
976 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
977 ost->img_resample_ctx = sws_getContext(
978 ist->st->codec->width - (ost->leftBand + ost->rightBand),
979 ist->st->codec->height - (ost->topBand + ost->bottomBand),
980 ist->st->codec->pix_fmt,
981 ost->st->codec->width - (ost->padleft + ost->padright),
982 ost->st->codec->height - (ost->padtop + ost->padbottom),
983 ost->st->codec->pix_fmt,
984 sws_flags, NULL, NULL, NULL);
985 if (ost->img_resample_ctx == NULL) {
986 fprintf(stderr, "Cannot get resampling context\n");
987 av_exit(1);
988 }
989 }
990 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
991 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
992 }
993
994 if (ost->video_pad) {
995 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
996 enc->height, enc->width, enc->pix_fmt,
997 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
998 }
999
1000 /* duplicates frame if needed */
1001 for(i=0;i<nb_frames;i++) {
1002 AVPacket pkt;
1003 av_init_packet(&pkt);
1004 pkt.stream_index= ost->index;
1005
1006 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1007 /* raw pictures are written as AVPicture structure to
1008 avoid any copies. We support temorarily the older
1009 method. */
1010 AVFrame* old_frame = enc->coded_frame;
1011 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1012 pkt.data= (uint8_t *)final_picture;
1013 pkt.size= sizeof(AVPicture);
1014 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1015 pkt.flags |= PKT_FLAG_KEY;
1016
1017 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1018 enc->coded_frame = old_frame;
1019 } else {
1020 AVFrame big_picture;
1021
1022 big_picture= *final_picture;
1023 /* better than nothing: use input picture interlaced
1024 settings */
1025 big_picture.interlaced_frame = in_picture->interlaced_frame;
1026 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1027 if(top_field_first == -1)
1028 big_picture.top_field_first = in_picture->top_field_first;
1029 else
1030 big_picture.top_field_first = top_field_first;
1031 }
1032
1033 /* handles sameq here. This is not correct because it may
1034 not be a global option */
1035 if (same_quality) {
1036 big_picture.quality = ist->st->quality;
1037 }else
1038 big_picture.quality = ost->st->quality;
1039 if(!me_threshold)
1040 big_picture.pict_type = 0;
1041 // big_picture.pts = AV_NOPTS_VALUE;
1042 big_picture.pts= ost->sync_opts;
1043 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1044 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1045 ret = avcodec_encode_video(enc,
1046 bit_buffer, bit_buffer_size,
1047 &big_picture);
1048 if (ret < 0) {
1049 fprintf(stderr, "Video encoding failed\n");
1050 av_exit(1);
1051 }
1052
1053 if(ret>0){
1054 pkt.data= bit_buffer;
1055 pkt.size= ret;
1056 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1057 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1058 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1059 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1060 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1061
1062 if(enc->coded_frame->key_frame)
1063 pkt.flags |= PKT_FLAG_KEY;
1064 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1065 *frame_size = ret;
1066 video_size += ret;
1067 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1068 // enc->frame_number-1, ret, enc->pict_type);
1069 /* if two pass, output log */
1070 if (ost->logfile && enc->stats_out) {
1071 fprintf(ost->logfile, "%s", enc->stats_out);
1072 }
1073 }
1074 }
1075 ost->sync_opts++;
1076 ost->frame_number++;
1077 }
1078 }
1079
1080 static double psnr(double d){
1081 return -10.0*log(d)/log(10.0);
1082 }
1083
1084 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1085 int frame_size)
1086 {
1087 AVCodecContext *enc;
1088 int frame_number;
1089 double ti1, bitrate, avg_bitrate;
1090
1091 /* this is executed just the first time do_video_stats is called */
1092 if (!vstats_file) {
1093 vstats_file = fopen(vstats_filename, "w");
1094 if (!vstats_file) {
1095 perror("fopen");
1096 av_exit(1);
1097 }
1098 }
1099
1100 enc = ost->st->codec;
1101 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1102 frame_number = ost->frame_number;
1103 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1104 if (enc->flags&CODEC_FLAG_PSNR)
1105 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1106
1107 fprintf(vstats_file,"f_size= %6d ", frame_size);
1108 /* compute pts value */
1109 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1110 if (ti1 < 0.01)
1111 ti1 = 0.01;
1112
1113 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1114 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1115 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1116 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1117 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1118 }
1119 }
1120
1121 static void print_report(AVFormatContext **output_files,
1122 AVOutputStream **ost_table, int nb_ostreams,
1123 int is_last_report)
1124 {
1125 char buf[1024];
1126 AVOutputStream *ost;
1127 AVFormatContext *oc;
1128 int64_t total_size;
1129 AVCodecContext *enc;
1130 int frame_number, vid, i;
1131 double bitrate, ti1, pts;
1132 static int64_t last_time = -1;
1133 static int qp_histogram[52];
1134
1135 if (!is_last_report) {
1136 int64_t cur_time;
1137 /* display the report every 0.5 seconds */
1138 cur_time = av_gettime();
1139 if (last_time == -1) {
1140 last_time = cur_time;
1141 return;
1142 }
1143 if ((cur_time - last_time) < 500000)
1144 return;
1145 last_time = cur_time;
1146 }
1147
1148
1149 oc = output_files[0];
1150
1151 total_size = url_fsize(oc->pb);
1152 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1153 total_size= url_ftell(oc->pb);
1154
1155 buf[0] = '\0';
1156 ti1 = 1e10;
1157 vid = 0;
1158 for(i=0;i<nb_ostreams;i++) {
1159 ost = ost_table[i];
1160 enc = ost->st->codec;
1161 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1163 !ost->st->stream_copy ?
1164 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1165 }
1166 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1167 float t = (av_gettime()-timer_start) / 1000000.0;
1168
1169 frame_number = ost->frame_number;
1170 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1171 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1172 !ost->st->stream_copy ?
1173 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1174 if(is_last_report)
1175 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1176 if(qp_hist){
1177 int j;
1178 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1179 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1180 qp_histogram[qp]++;
1181 for(j=0; j<32; j++)
1182 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1183 }
1184 if (enc->flags&CODEC_FLAG_PSNR){
1185 int j;
1186 double error, error_sum=0;
1187 double scale, scale_sum=0;
1188 char type[3]= {'Y','U','V'};
1189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1190 for(j=0; j<3; j++){
1191 if(is_last_report){
1192 error= enc->error[j];
1193 scale= enc->width*enc->height*255.0*255.0*frame_number;
1194 }else{
1195 error= enc->coded_frame->error[j];
1196 scale= enc->width*enc->height*255.0*255.0;
1197 }
1198 if(j) scale/=4;
1199 error_sum += error;
1200 scale_sum += scale;
1201 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1202 }
1203 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1204 }
1205 vid = 1;
1206 }
1207 /* compute min output value */
1208 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1209 if ((pts < ti1) && (pts > 0))
1210 ti1 = pts;
1211 }
1212 if (ti1 < 0.01)
1213 ti1 = 0.01;
1214
1215 if (verbose || is_last_report) {
1216 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1217
1218 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1219 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1220 (double)total_size / 1024, ti1, bitrate);
1221
1222 if (verbose > 1)
1223 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1224 nb_frames_dup, nb_frames_drop);
1225
1226 if (verbose >= 0)
1227 fprintf(stderr, "%s \r", buf);
1228
1229 fflush(stderr);
1230 }
1231
1232 if (is_last_report && verbose >= 0){
1233 int64_t raw= audio_size + video_size + extra_size;
1234 fprintf(stderr, "\n");
1235 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1236 video_size/1024.0,
1237 audio_size/1024.0,
1238 extra_size/1024.0,
1239 100.0*(total_size - raw)/raw
1240 );
1241 }
1242 }
1243
1244 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1245 static int output_packet(AVInputStream *ist, int ist_index,
1246 AVOutputStream **ost_table, int nb_ostreams,
1247 const AVPacket *pkt)
1248 {
1249 AVFormatContext *os;
1250 AVOutputStream *ost;
1251 int ret, i;
1252 uint8_t *data_buf;
1253 int data_size, got_picture;
1254 AVFrame picture;
1255 void *buffer_to_free;
1256 static unsigned int samples_size= 0;
1257 AVSubtitle subtitle, *subtitle_to_free;
1258 int got_subtitle;
1259 AVPacket avpkt;
1260 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1261
1262 if(ist->next_pts == AV_NOPTS_VALUE)
1263 ist->next_pts= ist->pts;
1264
1265 if (pkt == NULL) {
1266 /* EOF handling */
1267 av_init_packet(&avpkt);
1268 avpkt.data = NULL;
1269 avpkt.size = 0;
1270 goto handle_eof;
1271 } else {
1272 avpkt = *pkt;
1273 }
1274
1275 if(pkt->dts != AV_NOPTS_VALUE)
1276 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1277
1278 //while we have more to decode or while the decoder did output something on EOF
1279 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1280 handle_eof:
1281 ist->pts= ist->next_pts;
1282
1283 if(avpkt.size && avpkt.size != pkt->size &&
1284 !(ist->st->codec->codec->capabilities & CODEC_CAP_SUBFRAMES) && verbose>0)
1285 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1286
1287 /* decode the packet if needed */
1288 data_buf = NULL; /* fail safe */
1289 data_size = 0;
1290 subtitle_to_free = NULL;
1291 if (ist->decoding_needed) {
1292 switch(ist->st->codec->codec_type) {
1293 case CODEC_TYPE_AUDIO:{
1294 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1295 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1296 av_free(samples);
1297 samples= av_malloc(samples_size);
1298 }
1299 data_size= samples_size;
1300 /* XXX: could avoid copy if PCM 16 bits with same
1301 endianness as CPU */
1302 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1303 &avpkt);
1304 if (ret < 0)
1305 goto fail_decode;
1306 avpkt.data += ret;
1307 avpkt.size -= ret;
1308 /* Some bug in mpeg audio decoder gives */
1309 /* data_size < 0, it seems they are overflows */
1310 if (data_size <= 0) {
1311 /* no audio frame */
1312 continue;
1313 }
1314 data_buf = (uint8_t *)samples;
1315 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * data_size) /
1316 (ist->st->codec->sample_rate * ist->st->codec->channels);
1317 break;}
1318 case CODEC_TYPE_VIDEO:
1319 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1320 /* XXX: allocate picture correctly */
1321 avcodec_get_frame_defaults(&picture);
1322
1323 ret = avcodec_decode_video2(ist->st->codec,
1324 &picture, &got_picture, &avpkt);
1325 ist->st->quality= picture.quality;
1326 if (ret < 0)
1327 goto fail_decode;
1328 if (!got_picture) {
1329 /* no picture yet */
1330 goto discard_packet;
1331 }
1332 if (ist->st->codec->time_base.num != 0) {
1333 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1334 ist->next_pts += ((int64_t)AV_TIME_BASE *
1335 ist->st->codec->time_base.num * ticks) /
1336 ist->st->codec->time_base.den;
1337 }
1338 avpkt.size = 0;
1339 break;
1340 case CODEC_TYPE_SUBTITLE:
1341 ret = avcodec_decode_subtitle2(ist->st->codec,
1342 &subtitle, &got_subtitle, &avpkt);
1343 if (ret < 0)
1344 goto fail_decode;
1345 if (!got_subtitle) {
1346 goto discard_packet;
1347 }
1348 subtitle_to_free = &subtitle;
1349 avpkt.size = 0;
1350 break;
1351 default:
1352 goto fail_decode;
1353 }
1354 } else {
1355 switch(ist->st->codec->codec_type) {
1356 case CODEC_TYPE_AUDIO:
1357 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1358 ist->st->codec->sample_rate;
1359 break;
1360 case CODEC_TYPE_VIDEO:
1361 if (ist->st->codec->time_base.num != 0) {
1362 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1363 ist->next_pts += ((int64_t)AV_TIME_BASE *
1364 ist->st->codec->time_base.num * ticks) /
1365 ist->st->codec->time_base.den;
1366 }
1367 break;
1368 }
1369 data_buf = avpkt.data;
1370 data_size = avpkt.size;
1371 ret = avpkt.size;
1372 avpkt.size = 0;
1373 }
1374
1375 buffer_to_free = NULL;
1376 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1377 pre_process_video_frame(ist, (AVPicture *)&picture,
1378 &buffer_to_free);
1379 }
1380
1381 // preprocess audio (volume)
1382 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1383 if (audio_volume != 256) {
1384 short *volp;
1385 volp = samples;
1386 for(i=0;i<(data_size / sizeof(short));i++) {
1387 int v = ((*volp) * audio_volume + 128) >> 8;
1388 if (v < -32768) v = -32768;
1389 if (v > 32767) v = 32767;
1390 *volp++ = v;
1391 }
1392 }
1393 }
1394
1395 /* frame rate emulation */
1396 if (rate_emu) {
1397 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1398 int64_t now = av_gettime() - ist->start;
1399 if (pts > now)
1400 usleep(pts - now);
1401 }
1402
1403 /* if output time reached then transcode raw format,
1404 encode packets and output them */
1405 if (start_time == 0 || ist->pts >= start_time)
1406 for(i=0;i<nb_ostreams;i++) {
1407 int frame_size;
1408
1409 ost = ost_table[i];
1410 if (ost->source_index == ist_index) {
1411 os = output_files[ost->file_index];
1412
1413 /* set the input output pts pairs */
1414 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1415
1416 if (ost->encoding_needed) {
1417 switch(ost->st->codec->codec_type) {
1418 case CODEC_TYPE_AUDIO:
1419 do_audio_out(os, ost, ist, data_buf, data_size);
1420 break;
1421 case CODEC_TYPE_VIDEO:
1422 do_video_out(os, ost, ist, &picture, &frame_size);
1423 if (vstats_filename && frame_size)
1424 do_video_stats(os, ost, frame_size);
1425 break;
1426 case CODEC_TYPE_SUBTITLE:
1427 do_subtitle_out(os, ost, ist, &subtitle,
1428 pkt->pts);
1429 break;
1430 default:
1431 abort();
1432 }
1433 } else {
1434 AVFrame avframe; //FIXME/XXX remove this
1435 AVPacket opkt;
1436 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1437
1438 av_init_packet(&opkt);
1439
1440 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1441 continue;
1442
1443 /* no reencoding needed : output the packet directly */
1444 /* force the input stream PTS */
1445
1446 avcodec_get_frame_defaults(&avframe);
1447 ost->st->codec->coded_frame= &avframe;
1448 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1449
1450 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1451 audio_size += data_size;
1452 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1453 video_size += data_size;
1454 ost->sync_opts++;
1455 }
1456
1457 opkt.stream_index= ost->index;
1458 if(pkt->pts != AV_NOPTS_VALUE)
1459 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1460 else
1461 opkt.pts= AV_NOPTS_VALUE;
1462
1463 if (pkt->dts == AV_NOPTS_VALUE)
1464 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1465 else
1466 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1467 opkt.dts -= ost_tb_start_time;
1468
1469 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1470 opkt.flags= pkt->flags;
1471
1472 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1473 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1474 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1475 opkt.destruct= av_destruct_packet;
1476 } else {
1477 opkt.data = data_buf;
1478 opkt.size = data_size;
1479 }
1480
1481 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1482 ost->st->codec->frame_number++;
1483 ost->frame_number++;
1484 av_free_packet(&opkt);
1485 }
1486 }
1487 }
1488 av_free(buffer_to_free);
1489 /* XXX: allocate the subtitles in the codec ? */
1490 if (subtitle_to_free) {
1491 if (subtitle_to_free->rects != NULL) {
1492 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1493 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1494 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1495 av_freep(&subtitle_to_free->rects[i]);
1496 }
1497 av_freep(&subtitle_to_free->rects);
1498 }
1499 subtitle_to_free->num_rects = 0;
1500 subtitle_to_free = NULL;
1501 }
1502 }
1503 discard_packet:
1504 if (pkt == NULL) {
1505 /* EOF handling */
1506
1507 for(i=0;i<nb_ostreams;i++) {
1508 ost = ost_table[i];
1509 if (ost->source_index == ist_index) {
1510 AVCodecContext *enc= ost->st->codec;
1511 os = output_files[ost->file_index];
1512
1513 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1514 continue;
1515 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1516 continue;
1517
1518 if (ost->encoding_needed) {
1519 for(;;) {
1520 AVPacket pkt;
1521 int fifo_bytes;
1522 av_init_packet(&pkt);
1523 pkt.stream_index= ost->index;
1524
1525 switch(ost->st->codec->codec_type) {
1526 case CODEC_TYPE_AUDIO:
1527 fifo_bytes = av_fifo_size(ost->fifo);
1528 ret = 0;
1529 /* encode any samples remaining in fifo */
1530 if (fifo_bytes > 0) {
1531 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1532 int fs_tmp = enc->frame_size;
1533
1534 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1535 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1536 enc->frame_size = fifo_bytes / (osize * enc->channels);
1537 } else { /* pad */
1538 int frame_bytes = enc->frame_size*osize*enc->channels;
1539 if (samples_size < frame_bytes)
1540 av_exit(1);
1541 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1542 }
1543
1544 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1545 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1546 ost->st->time_base.num, enc->sample_rate);
1547 enc->frame_size = fs_tmp;
1548 }
1549 if(ret <= 0) {
1550 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1551 }
1552 if (ret < 0) {
1553 fprintf(stderr, "Audio encoding failed\n");
1554 av_exit(1);
1555 }
1556 audio_size += ret;
1557 pkt.flags |= PKT_FLAG_KEY;
1558 break;
1559 case CODEC_TYPE_VIDEO:
1560 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1561 if (ret < 0) {
1562 fprintf(stderr, "Video encoding failed\n");
1563 av_exit(1);
1564 }
1565 video_size += ret;
1566 if(enc->coded_frame && enc->coded_frame->key_frame)
1567 pkt.flags |= PKT_FLAG_KEY;
1568 if (ost->logfile && enc->stats_out) {
1569 fprintf(ost->logfile, "%s", enc->stats_out);
1570 }
1571 break;
1572 default:
1573 ret=-1;
1574 }
1575
1576 if(ret<=0)
1577 break;
1578 pkt.data= bit_buffer;
1579 pkt.size= ret;
1580 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1581 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1582 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1583 }
1584 }
1585 }
1586 }
1587 }
1588
1589 return 0;
1590 fail_decode:
1591 return -1;
1592 }
1593
1594 static void print_sdp(AVFormatContext **avc, int n)
1595 {
1596 char sdp[2048];
1597
1598 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1599 printf("SDP:\n%s\n", sdp);
1600 fflush(stdout);
1601 }
1602
1603 static int stream_index_from_inputs(AVFormatContext **input_files,
1604 int nb_input_files,
1605 AVInputFile *file_table,
1606 AVInputStream **ist_table,
1607 enum CodecType type,
1608 int programid)
1609 {
1610 int p, q, z;
1611 for(z=0; z<nb_input_files; z++) {
1612 AVFormatContext *ic = input_files[z];
1613 for(p=0; p<ic->nb_programs; p++) {
1614 AVProgram *program = ic->programs[p];
1615 if(program->id != programid)
1616 continue;
1617 for(q=0; q<program->nb_stream_indexes; q++) {
1618 int sidx = program->stream_index[q];
1619 int ris = file_table[z].ist_index + sidx;
1620 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1621 return ris;
1622 }
1623 }
1624 }
1625
1626 return -1;
1627 }
1628
1629 /*
1630 * The following code is the main loop of the file converter
1631 */
1632 static int av_encode(AVFormatContext **output_files,
1633 int nb_output_files,
1634 AVFormatContext **input_files,
1635 int nb_input_files,
1636 AVStreamMap *stream_maps, int nb_stream_maps)
1637 {
1638 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1639 AVFormatContext *is, *os;
1640 AVCodecContext *codec, *icodec;
1641 AVOutputStream *ost, **ost_table = NULL;
1642 AVInputStream *ist, **ist_table = NULL;
1643 AVInputFile *file_table;
1644 char error[1024];
1645 int key;
1646 int want_sdp = 1;
1647 uint8_t no_packet[MAX_FILES]={0};
1648 int no_packet_count=0;
1649
1650 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1651 if (!file_table)
1652 goto fail;
1653
1654 /* input stream init */
1655 j = 0;
1656 for(i=0;i<nb_input_files;i++) {
1657 is = input_files[i];
1658 file_table[i].ist_index = j;
1659 file_table[i].nb_streams = is->nb_streams;
1660 j += is->nb_streams;
1661 }
1662 nb_istreams = j;
1663
1664 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1665 if (!ist_table)
1666 goto fail;
1667
1668 for(i=0;i<nb_istreams;i++) {
1669 ist = av_mallocz(sizeof(AVInputStream));
1670 if (!ist)
1671 goto fail;
1672 ist_table[i] = ist;
1673 }
1674 j = 0;
1675 for(i=0;i<nb_input_files;i++) {
1676 is = input_files[i];
1677 for(k=0;k<is->nb_streams;k++) {
1678 ist = ist_table[j++];
1679 ist->st = is->streams[k];
1680 ist->file_index = i;
1681 ist->index = k;
1682 ist->discard = 1; /* the stream is discarded by default
1683 (changed later) */
1684
1685 if (rate_emu) {
1686 ist->start = av_gettime();
1687 }
1688 }
1689 }
1690
1691 /* output stream init */
1692 nb_ostreams = 0;
1693 for(i=0;i<nb_output_files;i++) {
1694 os = output_files[i];
1695 if (!os->nb_streams) {
1696 dump_format(output_files[i], i, output_files[i]->filename, 1);
1697 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1698 av_exit(1);
1699 }
1700 nb_ostreams += os->nb_streams;
1701 }
1702 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1703 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1704 av_exit(1);
1705 }
1706
1707 /* Sanity check the mapping args -- do the input files & streams exist? */
1708 for(i=0;i<nb_stream_maps;i++) {
1709 int fi = stream_maps[i].file_index;
1710 int si = stream_maps[i].stream_index;
1711
1712 if (fi < 0 || fi > nb_input_files - 1 ||
1713 si < 0 || si > file_table[fi].nb_streams - 1) {
1714 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1715 av_exit(1);
1716 }
1717 fi = stream_maps[i].sync_file_index;
1718 si = stream_maps[i].sync_stream_index;
1719 if (fi < 0 || fi > nb_input_files - 1 ||
1720 si < 0 || si > file_table[fi].nb_streams - 1) {
1721 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1722 av_exit(1);
1723 }
1724 }
1725
1726 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1727 if (!ost_table)
1728 goto fail;
1729 for(i=0;i<nb_ostreams;i++) {
1730 ost = av_mallocz(sizeof(AVOutputStream));
1731 if (!ost)
1732 goto fail;
1733 ost_table[i] = ost;
1734 }
1735
1736 n = 0;
1737 for(k=0;k<nb_output_files;k++) {
1738 os = output_files[k];
1739 for(i=0;i<os->nb_streams;i++,n++) {
1740 int found;
1741 ost = ost_table[n];
1742 ost->file_index = k;
1743 ost->index = i;
1744 ost->st = os->streams[i];
1745 if (nb_stream_maps > 0) {
1746 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1747 stream_maps[n].stream_index;
1748
1749 /* Sanity check that the stream types match */
1750 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1751 int i= ost->file_index;
1752 dump_format(output_files[i], i, output_files[i]->filename, 1);
1753 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1754 stream_maps[n].file_index, stream_maps[n].stream_index,
1755 ost->file_index, ost->index);
1756 av_exit(1);
1757 }
1758
1759 } else {
1760 if(opt_programid) {
1761 found = 0;
1762 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1763 if(j != -1) {
1764 ost->source_index = j;
1765 found = 1;
1766 }
1767 } else {
1768 /* get corresponding input stream index : we select the first one with the right type */
1769 found = 0;
1770 for(j=0;j<nb_istreams;j++) {
1771 ist = ist_table[j];
1772 if (ist->discard &&
1773 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1774 ost->source_index = j;
1775 found = 1;
1776 break;
1777 }
1778 }
1779 }
1780
1781 if (!found) {
1782 if(! opt_programid) {
1783 /* try again and reuse existing stream */
1784 for(j=0;j<nb_istreams;j++) {
1785 ist = ist_table[j];
1786 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1787 ost->source_index = j;
1788 found = 1;
1789 }
1790 }
1791 }
1792 if (!found) {
1793 int i= ost->file_index;
1794 dump_format(output_files[i], i, output_files[i]->filename, 1);
1795 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1796 ost->file_index, ost->index);
1797 av_exit(1);
1798 }
1799 }
1800 }
1801 ist = ist_table[ost->source_index];
1802 ist->discard = 0;
1803 ost->sync_ist = (nb_stream_maps > 0) ?
1804 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1805 stream_maps[n].sync_stream_index] : ist;
1806 }
1807 }
1808
1809 /* for each output stream, we compute the right encoding parameters */
1810 for(i=0;i<nb_ostreams;i++) {
1811 AVMetadataTag *lang;
1812 ost = ost_table[i];
1813 os = output_files[ost->file_index];
1814 ist = ist_table[ost->source_index];
1815
1816 codec = ost->st->codec;
1817 icodec = ist->st->codec;
1818
1819 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1820 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1821 av_metadata_set(&ost->st->metadata, "language", lang->value);
1822
1823 ost->st->disposition = ist->st->disposition;
1824 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1825 codec->chroma_sample_location = icodec->chroma_sample_location;
1826
1827 if (ost->st->stream_copy) {
1828 /* if stream_copy is selected, no need to decode or encode */
1829 codec->codec_id = icodec->codec_id;
1830 codec->codec_type = icodec->codec_type;
1831
1832 if(!codec->codec_tag){
1833 if( !os->oformat->codec_tag
1834 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1835 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1836 codec->codec_tag = icodec->codec_tag;
1837 }
1838
1839 codec->bit_rate = icodec->bit_rate;
1840 codec->extradata= icodec->extradata;
1841 codec->extradata_size= icodec->extradata_size;
1842 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){
1843 codec->time_base = icodec->time_base;
1844 codec->time_base.num *= icodec->ticks_per_frame;
1845 }else
1846 codec->time_base = ist->st->time_base;
1847 switch(codec->codec_type) {
1848 case CODEC_TYPE_AUDIO:
1849 if(audio_volume != 256) {
1850 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1851 av_exit(1);
1852 }
1853 codec->channel_layout = icodec->channel_layout;
1854 codec->sample_rate = icodec->sample_rate;
1855 codec->channels = icodec->channels;
1856 codec->frame_size = icodec->frame_size;
1857 codec->block_align= icodec->block_align;
1858 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1859 codec->block_align= 0;
1860 if(codec->codec_id == CODEC_ID_AC3)
1861 codec->block_align= 0;
1862 break;
1863 case CODEC_TYPE_VIDEO:
1864 codec->pix_fmt = icodec->pix_fmt;
1865 codec->width = icodec->width;
1866 codec->height = icodec->height;
1867 codec->has_b_frames = icodec->has_b_frames;
1868 break;
1869 case CODEC_TYPE_SUBTITLE:
1870 codec->width = icodec->width;
1871 codec->height = icodec->height;
1872 break;
1873 default:
1874 abort();
1875 }
1876 } else {
1877 switch(codec->codec_type) {
1878 case CODEC_TYPE_AUDIO:
1879 ost->fifo= av_fifo_alloc(1024);
1880 if(!ost->fifo)
1881 goto fail;
1882 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1883 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1884 icodec->request_channels = codec->channels;
1885 ist->decoding_needed = 1;
1886 ost->encoding_needed = 1;
1887 break;
1888 case CODEC_TYPE_VIDEO:
1889 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1890 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1891 av_exit(1);
1892 }
1893 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1894 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1895 ost->video_resample = ((codec->width != icodec->width -
1896 (frame_leftBand + frame_rightBand) +
1897 (frame_padleft + frame_padright)) ||
1898 (codec->height != icodec->height -
1899 (frame_topBand + frame_bottomBand) +
1900 (frame_padtop + frame_padbottom)) ||
1901 (codec->pix_fmt != icodec->pix_fmt));
1902 if (ost->video_crop) {
1903 ost->topBand = ost->original_topBand = frame_topBand;
1904 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1905 ost->leftBand = ost->original_leftBand = frame_leftBand;
1906 ost->rightBand = ost->original_rightBand = frame_rightBand;
1907 }
1908 if (ost->video_pad) {
1909 ost->padtop = frame_padtop;
1910 ost->padleft = frame_padleft;
1911 ost->padbottom = frame_padbottom;
1912 ost->padright = frame_padright;
1913 if (!ost->video_resample) {
1914 avcodec_get_frame_defaults(&ost->pict_tmp);
1915 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1916 codec->width, codec->height))
1917 goto fail;
1918 }
1919 }
1920 if (ost->video_resample) {
1921 avcodec_get_frame_defaults(&ost->pict_tmp);
1922 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1923 codec->width, codec->height)) {
1924 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1925 av_exit(1);
1926 }
1927 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1928 ost->img_resample_ctx = sws_getContext(
1929 icodec->width - (frame_leftBand + frame_rightBand),
1930 icodec->height - (frame_topBand + frame_bottomBand),
1931 icodec->pix_fmt,
1932 codec->width - (frame_padleft + frame_padright),
1933 codec->height - (frame_padtop + frame_padbottom),
1934 codec->pix_fmt,
1935 sws_flags, NULL, NULL, NULL);
1936 if (ost->img_resample_ctx == NULL) {
1937 fprintf(stderr, "Cannot get resampling context\n");
1938 av_exit(1);
1939 }
1940
1941 ost->original_height = icodec->height;
1942 ost->original_width = icodec->width;
1943
1944 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1945 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1946 ost->resample_pix_fmt= icodec->pix_fmt;
1947 codec->bits_per_raw_sample= 0;
1948 }
1949 ost->encoding_needed = 1;
1950 ist->decoding_needed = 1;
1951 break;
1952 case CODEC_TYPE_SUBTITLE:
1953 ost->encoding_needed = 1;
1954 ist->decoding_needed = 1;
1955 break;
1956 default:
1957 abort();
1958 break;
1959 }
1960 /* two pass mode */
1961 if (ost->encoding_needed &&
1962 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1963 char logfilename[1024];
1964 FILE *f;
1965 int size;
1966 char *logbuffer;
1967
1968 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1969 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1970 i);
1971 if (codec->flags & CODEC_FLAG_PASS1) {
1972 f = fopen(logfilename, "w");
1973 if (!f) {
1974 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1975 av_exit(1);
1976 }
1977 ost->logfile = f;
1978 } else {
1979 /* read the log file */
1980 f = fopen(logfilename, "r");
1981 if (!f) {
1982 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1983 av_exit(1);
1984 }
1985 fseek(f, 0, SEEK_END);
1986 size = ftell(f);
1987 fseek(f, 0, SEEK_SET);
1988 logbuffer = av_malloc(size + 1);
1989 if (!logbuffer) {
1990 fprintf(stderr, "Could not allocate log buffer\n");
1991 av_exit(1);
1992 }
1993 size = fread(logbuffer, 1, size, f);
1994 fclose(f);
1995 logbuffer[size] = '\0';
1996 codec->stats_in = logbuffer;
1997 }
1998 }
1999 }
2000 if(codec->codec_type == CODEC_TYPE_VIDEO){
2001 int size= codec->width * codec->height;
2002 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2003 }
2004 }
2005
2006 if (!bit_buffer)
2007 bit_buffer = av_malloc(bit_buffer_size);
2008 if (!bit_buffer) {
2009 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2010 bit_buffer_size);
2011 ret = AVERROR(ENOMEM);
2012 goto fail;
2013 }
2014
2015 /* open each encoder */
2016 for(i=0;i<nb_ostreams;i++) {
2017 ost = ost_table[i];
2018 if (ost->encoding_needed) {
2019 AVCodec *codec = output_codecs[i];
2020 if (!codec)
2021 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2022 if (!codec) {
2023 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2024 ost->st->codec->codec_id, ost->file_index, ost->index);
2025 ret = AVERROR(EINVAL);
2026 goto dump_format;
2027 }
2028 if (avcodec_open(ost->st->codec, codec) < 0) {
2029 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2030 ost->file_index, ost->index);
2031 ret = AVERROR(EINVAL);
2032 goto dump_format;
2033 }
2034 extra_size += ost->st->codec->extradata_size;
2035 }
2036 }
2037
2038 /* open each decoder */
2039 for(i=0;i<nb_istreams;i++) {
2040 ist = ist_table[i];
2041 if (ist->decoding_needed) {
2042 AVCodec *codec = input_codecs[i];
2043 if (!codec)
2044 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2045 if (!codec) {
2046 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2047 ist->st->codec->codec_id, ist->file_index, ist->index);
2048 ret = AVERROR(EINVAL);
2049 goto dump_format;
2050 }
2051 if (avcodec_open(ist->st->codec, codec) < 0) {
2052 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2053 ist->file_index, ist->index);
2054 ret = AVERROR(EINVAL);
2055 goto dump_format;
2056 }
2057 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2058 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2059 }
2060 }
2061
2062 /* init pts */
2063 for(i=0;i<nb_istreams;i++) {
2064 ist = ist_table[i];
2065 ist->pts = 0;
2066 ist->next_pts = AV_NOPTS_VALUE;
2067 ist->is_start = 1;
2068 }
2069
2070 /* set meta data information from input file if required */
2071 for (i=0;i<nb_meta_data_maps;i++) {
2072 AVFormatContext *out_file;
2073 AVFormatContext *in_file;
2074 AVMetadataTag *mtag;
2075
2076 int out_file_index = meta_data_maps[i].out_file;
2077 int in_file_index = meta_data_maps[i].in_file;
2078 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2079 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2080 out_file_index, out_file_index, in_file_index);
2081 ret = AVERROR(EINVAL);
2082 goto dump_format;
2083 }
2084 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2085 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2086 in_file_index, out_file_index, in_file_index);
2087 ret = AVERROR(EINVAL);
2088 goto dump_format;
2089 }
2090
2091 out_file = output_files[out_file_index];
2092 in_file = input_files[in_file_index];
2093
2094
2095 mtag=NULL;
2096 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2097 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2098 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2099 in_file->iformat->metadata_conv);
2100 }
2101
2102 /* open files and write file headers */
2103 for(i=0;i<nb_output_files;i++) {
2104 os = output_files[i];
2105 if (av_write_header(os) < 0) {
2106 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2107 ret = AVERROR(EINVAL);
2108 goto dump_format;
2109 }
2110 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2111 want_sdp = 0;
2112 }
2113 }
2114
2115 dump_format:
2116 /* dump the file output parameters - cannot be done before in case
2117 of stream copy */
2118 for(i=0;i<nb_output_files;i++) {
2119 dump_format(output_files[i], i, output_files[i]->filename, 1);
2120 }
2121
2122 /* dump the stream mapping */
2123 if (verbose >= 0) {
2124 fprintf(stderr, "Stream mapping:\n");
2125 for(i=0;i<nb_ostreams;i++) {
2126 ost = ost_table[i];
2127 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2128 ist_table[ost->source_index]->file_index,
2129 ist_table[ost->source_index]->index,
2130 ost->file_index,
2131 ost->index);
2132 if (ost->sync_ist != ist_table[ost->source_index])
2133 fprintf(stderr, " [sync #%d.%d]",
2134 ost->sync_ist->file_index,
2135 ost->sync_ist->index);
2136 fprintf(stderr, "\n");
2137 }
2138 }
2139
2140 if (ret) {
2141 fprintf(stderr, "%s\n", error);
2142 goto fail;
2143 }
2144
2145 if (want_sdp) {
2146 print_sdp(output_files, nb_output_files);
2147 }
2148
2149 if (!using_stdin && verbose >= 0) {
2150 fprintf(stderr, "Press [q] to stop encoding\n");
2151 url_set_interrupt_cb(decode_interrupt_cb);
2152 }
2153 term_init();
2154
2155 timer_start = av_gettime();
2156
2157 for(; received_sigterm == 0;) {
2158 int file_index, ist_index;
2159 AVPacket pkt;
2160 double ipts_min;
2161 double opts_min;
2162
2163 redo:
2164 ipts_min= 1e100;
2165 opts_min= 1e100;
2166 /* if 'q' pressed, exits */
2167 if (!using_stdin) {
2168 if (q_pressed)
2169 break;
2170 /* read_key() returns 0 on EOF */
2171 key = read_key();
2172 if (key == 'q')
2173 break;
2174 }
2175
2176 /* select the stream that we must read now by looking at the
2177 smallest output pts */
2178 file_index = -1;
2179 for(i=0;i<nb_ostreams;i++) {
2180 double ipts, opts;
2181 ost = ost_table[i];
2182 os = output_files[ost->file_index];
2183 ist = ist_table[ost->source_index];
2184 if(no_packet[ist->file_index])
2185 continue;
2186 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2187 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2188 else
2189 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2190 ipts = (double)ist->pts;
2191 if (!file_table[ist->file_index].eof_reached){
2192 if(ipts < ipts_min) {
2193 ipts_min = ipts;
2194 if(input_sync ) file_index = ist->file_index;
2195 }
2196 if(opts < opts_min) {
2197 opts_min = opts;
2198 if(!input_sync) file_index = ist->file_index;
2199 }
2200 }
2201 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2202 file_index= -1;
2203 break;
2204 }
2205 }
2206 /* if none, if is finished */
2207 if (file_index < 0) {
2208 if(no_packet_count){
2209 no_packet_count=0;
2210 memset(no_packet, 0, sizeof(no_packet));
2211 usleep(10000);
2212 continue;
2213 }
2214 break;
2215 }
2216
2217 /* finish if recording time exhausted */
2218 if (opts_min >= (recording_time / 1000000.0))
2219 break;
2220
2221 /* finish if limit size exhausted */
2222 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2223 break;
2224
2225 /* read a frame from it and output it in the fifo */
2226 is = input_files[file_index];
2227 ret= av_read_frame(is, &pkt);
2228 if(ret == AVERROR(EAGAIN)){
2229 no_packet[file_index]=1;
2230 no_packet_count++;
2231 continue;
2232 }
2233 if (ret < 0) {
2234 file_table[file_index].eof_reached = 1;
2235 if (opt_shortest)
2236 break;
2237 else
2238 continue;
2239 }
2240
2241 no_packet_count=0;
2242 memset(no_packet, 0, sizeof(no_packet));
2243
2244 if (do_pkt_dump) {
2245 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2246 }
2247 /* the following test is needed in case new streams appear
2248 dynamically in stream : we ignore them */
2249 if (pkt.stream_index >= file_table[file_index].nb_streams)
2250 goto discard_packet;
2251 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2252 ist = ist_table[ist_index];
2253 if (ist->discard)
2254 goto discard_packet;
2255
2256 if (pkt.dts != AV_NOPTS_VALUE)
2257 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2258 if (pkt.pts != AV_NOPTS_VALUE)
2259 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2260
2261 if(input_files_ts_scale[file_index][pkt.stream_index]){
2262 if(pkt.pts != AV_NOPTS_VALUE)
2263 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2264 if(pkt.dts != AV_NOPTS_VALUE)
2265 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2266 }
2267
2268 // 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);
2269 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2270 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2271 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2272 int64_t delta= pkt_dts - ist->next_pts;
2273 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2274 input_files_ts_offset[ist->file_index]-= delta;
2275 if (verbose > 2)
2276 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2277 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2278 if(pkt.pts != AV_NOPTS_VALUE)
2279 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2280 }
2281 }
2282
2283 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2284 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2285
2286 if (verbose >= 0)
2287 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2288 ist->file_index, ist->index);
2289 if (exit_on_error)
2290 av_exit(1);
2291 av_free_packet(&pkt);
2292 goto redo;
2293 }
2294
2295 discard_packet:
2296 av_free_packet(&pkt);
2297
2298 /* dump report by using the output first video and audio streams */
2299 print_report(output_files, ost_table, nb_ostreams, 0);
2300 }
2301
2302 /* at the end of stream, we must flush the decoder buffers */
2303 for(i=0;i<nb_istreams;i++) {
2304 ist = ist_table[i];
2305 if (ist->decoding_needed) {
2306 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2307 }
2308 }
2309
2310 term_exit();
2311
2312 /* write the trailer if needed and close file */
2313 for(i=0;i<nb_output_files;i++) {
2314 os = output_files[i];
2315 av_write_trailer(os);
2316 }
2317
2318 /* dump report by using the first video and audio streams */
2319 print_report(output_files, ost_table, nb_ostreams, 1);
2320
2321 /* close each encoder */
2322 for(i=0;i<nb_ostreams;i++) {
2323 ost = ost_table[i];
2324 if (ost->encoding_needed) {
2325 av_freep(&ost->st->codec->stats_in);
2326 avcodec_close(ost->st->codec);
2327 }
2328 }
2329
2330 /* close each decoder */
2331 for(i=0;i<nb_istreams;i++) {
2332 ist = ist_table[i];
2333 if (ist->decoding_needed) {
2334 avcodec_close(ist->st->codec);
2335 }
2336 }
2337
2338 /* finished ! */
2339 ret = 0;
2340
2341 fail:
2342 av_freep(&bit_buffer);
2343 av_free(file_table);
2344
2345 if (ist_table) {
2346 for(i=0;i<nb_istreams;i++) {
2347 ist = ist_table[i];
2348 av_free(ist);
2349 }
2350 av_free(ist_table);
2351 }
2352 if (ost_table) {
2353 for(i=0;i<nb_ostreams;i++) {
2354 ost = ost_table[i];
2355 if (ost) {
2356 if (ost->logfile) {
2357 fclose(ost->logfile);
2358 ost->logfile = NULL;
2359 }
2360 av_fifo_free(ost->fifo); /* works even if fifo is not
2361 initialized but set to zero */
2362 av_free(ost->pict_tmp.data[0]);
2363 if (ost->video_resample)
2364 sws_freeContext(ost->img_resample_ctx);
2365 if (ost->resample)
2366 audio_resample_close(ost->resample);
2367 if (ost->reformat_ctx)
2368 av_audio_convert_free(ost->reformat_ctx);
2369 av_free(ost);
2370 }
2371 }
2372 av_free(ost_table);
2373 }
2374 return ret;
2375 }
2376
2377 static void opt_format(const char *arg)
2378 {
2379 /* compatibility stuff for pgmyuv */
2380 if (!strcmp(arg, "pgmyuv")) {
2381 pgmyuv_compatibility_hack=1;
2382 // opt_image_format(arg);
2383 arg = "image2";
2384 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2385 }
2386
2387 file_iformat = av_find_input_format(arg);
2388 file_oformat = guess_format(arg, NULL, NULL);
2389 if (!file_iformat && !file_oformat) {
2390 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2391 av_exit(1);
2392 }
2393 }
2394
2395 static void opt_video_rc_override_string(const char *arg)
2396 {
2397 video_rc_override_string = arg;
2398 }
2399
2400 static int opt_me_threshold(const char *opt, const char *arg)
2401 {
2402 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2403 return 0;
2404 }
2405
2406 static int opt_verbose(const char *opt, const char *arg)
2407 {
2408 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2409 return 0;
2410 }
2411
2412 static int opt_frame_rate(const char *opt, const char *arg)
2413 {
2414 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2415 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2416 av_exit(1);
2417 }
2418 return 0;
2419 }
2420
2421 static int opt_bitrate(const char *opt, const char *arg)
2422 {
2423 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2424
2425 opt_default(opt, arg);
2426
2427 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2428 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2429
2430 return 0;
2431 }
2432
2433 static void opt_frame_crop_top(const char *arg)
2434 {
2435 frame_topBand = atoi(arg);
2436 if (frame_topBand < 0) {
2437 fprintf(stderr, "Incorrect top crop size\n");
2438 av_exit(1);
2439 }
2440 if ((frame_topBand) >= frame_height){
2441 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2442 av_exit(1);
2443 }
2444 frame_height -= frame_topBand;
2445 }
2446
2447 static void opt_frame_crop_bottom(const char *arg)
2448 {
2449 frame_bottomBand = atoi(arg);
2450 if (frame_bottomBand < 0) {
2451 fprintf(stderr, "Incorrect bottom crop size\n");
2452 av_exit(1);
2453 }
2454 if ((frame_bottomBand) >= frame_height){
2455 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2456 av_exit(1);
2457 }
2458 frame_height -= frame_bottomBand;
2459 }
2460
2461 static void opt_frame_crop_left(const char *arg)
2462 {
2463 frame_leftBand = atoi(arg);
2464 if (frame_leftBand < 0) {
2465 fprintf(stderr, "Incorrect left crop size\n");
2466 av_exit(1);
2467 }
2468 if ((frame_leftBand) >= frame_width){
2469 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2470 av_exit(1);
2471 }
2472 frame_width -= frame_leftBand;
2473 }
2474
2475 static void opt_frame_crop_right(const char *arg)
2476 {
2477 frame_rightBand = atoi(arg);
2478 if (frame_rightBand < 0) {
2479 fprintf(stderr, "Incorrect right crop size\n");
2480 av_exit(1);
2481 }
2482 if ((frame_rightBand) >= frame_width){
2483 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2484 av_exit(1);
2485 }
2486 frame_width -= frame_rightBand;
2487 }
2488
2489 static void opt_frame_size(const char *arg)
2490 {
2491 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2492 fprintf(stderr, "Incorrect frame size\n");
2493 av_exit(1);
2494 }
2495 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2496 fprintf(stderr, "Frame size must be a multiple of 2\n");
2497 av_exit(1);
2498 }
2499 }
2500
2501 static void opt_pad_color(const char *arg) {
2502 /* Input is expected to be six hex digits similar to
2503 how colors are expressed in html tags (but without the #) */
2504 int rgb = strtol(arg, NULL, 16);
2505 int r,g,b;
2506
2507 r = (rgb >> 16);
2508 g = ((rgb >> 8) & 255);
2509 b = (rgb & 255);
2510
2511 padcolor[0] = RGB_TO_Y(r,g,b);
2512 padcolor[1] = RGB_TO_U(r,g,b,0);
2513 padcolor[2] = RGB_TO_V(r,g,b,0);
2514 }
2515
2516 static void opt_frame_pad_top(const char *arg)
2517 {
2518 frame_padtop = atoi(arg);
2519 if (frame_padtop < 0) {
2520 fprintf(stderr, "Incorrect top pad size\n");
2521 av_exit(1);
2522 }
2523 }
2524
2525 static void opt_frame_pad_bottom(const char *arg)
2526 {
2527 frame_padbottom = atoi(arg);
2528 if (frame_padbottom < 0) {
2529 fprintf(stderr, "Incorrect bottom pad size\n");
2530 av_exit(1);
2531 }
2532 }
2533
2534
2535 static void opt_frame_pad_left(const char *arg)
2536 {
2537 frame_padleft = atoi(arg);
2538 if (frame_padleft < 0) {
2539 fprintf(stderr, "Incorrect left pad size\n");
2540 av_exit(1);
2541 }
2542 }
2543
2544
2545 static void opt_frame_pad_right(const char *arg)
2546 {
2547 frame_padright = atoi(arg);
2548 if (frame_padright < 0) {
2549 fprintf(stderr, "Incorrect right pad size\n");
2550 av_exit(1);
2551 }
2552 }
2553
2554 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2555 {
2556 int i;
2557 char fmt_str[128];
2558 for (i=-1; i < nb_fmts; i++) {
2559 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2560 fprintf(stdout, "%s\n", fmt_str);
2561 }
2562 }
2563
2564 static void opt_frame_pix_fmt(const char *arg)
2565 {
2566 if (strcmp(arg, "list")) {
2567 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2568 if (frame_pix_fmt == PIX_FMT_NONE) {
2569 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2570 av_exit(1);
2571 }
2572 } else {
2573 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2574 av_exit(0);
2575 }
2576 }
2577
2578 static void opt_frame_aspect_ratio(const char *arg)
2579 {
2580 int x = 0, y = 0;
2581 double ar = 0;
2582 const char *p;
2583 char *end;
2584
2585 p = strchr(arg, ':');
2586 if (p) {
2587 x = strtol(arg, &end, 10);
2588 if (end == p)
2589 y = strtol(end+1, &end, 10);
2590 if (x > 0 && y > 0)
2591 ar = (double)x / (double)y;
2592 } else
2593 ar = strtod(arg, NULL);
2594
2595 if (!ar) {
2596 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2597 av_exit(1);
2598 }
2599 frame_aspect_ratio = ar;
2600 }
2601
2602 static int opt_metadata(const char *opt, const char *arg)
2603 {
2604 char *mid= strchr(arg, '=');
2605
2606 if(!mid){
2607 fprintf(stderr, "Missing =\n");
2608 av_exit(1);
2609 }
2610 *mid++= 0;
2611
2612 metadata_count++;
2613 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2614 metadata[metadata_count-1].key = av_strdup(arg);
2615 metadata[metadata_count-1].value= av_strdup(mid);
2616
2617 return 0;
2618 }
2619
2620 static void opt_qscale(const char *arg)
2621 {
2622 video_qscale = atof(arg);
2623 if (video_qscale <= 0 ||
2624 video_qscale > 255) {
2625 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2626 av_exit(1);
2627 }
2628 }
2629
2630 static void opt_top_field_first(const char *arg)
2631 {
2632 top_field_first= atoi(arg);
2633 }
2634
2635 static int opt_thread_count(const char *opt, const char *arg)
2636 {
2637 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2638 #if !HAVE_THREADS
2639 if (verbose >= 0)
2640 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2641 #endif
2642 return 0;
2643 }
2644
2645 static void opt_audio_sample_fmt(const char *arg)
2646 {
2647 if (strcmp(arg, "list"))
2648 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2649 else {
2650 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2651 av_exit(0);
2652 }
2653 }
2654
2655 static int opt_audio_rate(const char *opt, const char *arg)
2656 {
2657 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2658 return 0;
2659 }
2660
2661 static int opt_audio_channels(const char *opt, const char *arg)
2662 {
2663 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2664 return 0;
2665 }
2666
2667 static void opt_video_channel(const char *arg)
2668 {
2669 video_channel = strtol(arg, NULL, 0);
2670 }
2671
2672 static void opt_video_standard(const char *arg)
2673 {
2674 video_standard = av_strdup(arg);
2675 }
2676
2677 static void opt_codec(int *pstream_copy, char **pcodec_name,
2678 int codec_type, const char *arg)
2679 {
2680 av_freep(pcodec_name);
2681 if (!strcmp(arg, "copy")) {
2682 *pstream_copy = 1;
2683 } else {
2684 *pcodec_name = av_strdup(arg);
2685 }
2686 }
2687
2688 static void opt_audio_codec(const char *arg)
2689 {
2690 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2691 }
2692
2693 static void opt_audio_tag(const char *arg)
2694 {
2695 char *tail;
2696 audio_codec_tag= strtol(arg, &tail, 0);
2697
2698 if(!tail || *tail)
2699 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2700 }
2701
2702 static void opt_video_tag(const char *arg)
2703 {
2704 char *tail;
2705 video_codec_tag= strtol(arg, &tail, 0);
2706
2707 if(!tail || *tail)
2708 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2709 }
2710
2711 static void opt_video_codec(const char *arg)
2712 {
2713 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2714 }
2715
2716 static void opt_subtitle_codec(const char *arg)
2717 {
2718 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2719 }
2720
2721 static void opt_subtitle_tag(const char *arg)
2722 {
2723 char *tail;
2724 subtitle_codec_tag= strtol(arg, &tail, 0);
2725
2726 if(!tail || *tail)
2727 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2728 }
2729
2730 static void opt_map(const char *arg)
2731 {
2732 AVStreamMap *m;
2733 char *p;
2734
2735 m = &stream_maps[nb_stream_maps++];
2736
2737 m->file_index = strtol(arg, &p, 0);
2738 if (*p)
2739 p++;
2740
2741 m->stream_index = strtol(p, &p, 0);
2742 if (*p) {
2743 p++;
2744 m->sync_file_index = strtol(p, &p, 0);
2745 if (*p)
2746 p++;
2747 m->sync_stream_index = strtol(p, &p, 0);
2748 } else {
2749 m->sync_file_index = m->file_index;
2750 m->sync_stream_index = m->stream_index;
2751 }
2752 }
2753
2754 static void opt_map_meta_data(const char *arg)
2755 {
2756 AVMetaDataMap *m;
2757 char *p;
2758
2759 m = &meta_data_maps[nb_meta_data_maps++];
2760
2761 m->out_file = strtol(arg, &p, 0);
2762 if (*p)
2763 p++;
2764
2765 m->in_file = strtol(p, &p, 0);
2766 }
2767
2768 static void opt_input_ts_scale(const char *arg)
2769 {
2770 unsigned int stream;
2771 double scale;
2772 char *p;
2773
2774 stream = strtol(arg, &p, 0);
2775 if (*p)
2776 p++;
2777 scale= strtod(p, &p);
2778
2779 if(stream >= MAX_STREAMS)
2780 av_exit(1);
2781
2782 input_files_ts_scale[nb_input_files][stream]= scale;
2783 }
2784
2785 static int opt_recording_time(const char *opt, const char *arg)
2786 {
2787 recording_time = parse_time_or_die(opt, arg, 1);
2788 return 0;
2789 }
2790
2791 static int opt_start_time(const char *opt, const char *arg)
2792 {
2793 start_time = parse_time_or_die(opt, arg, 1);
2794 return 0;
2795 }
2796
2797 static int opt_rec_timestamp(const char *opt, const char *arg)
2798 {
2799 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2800 return 0;
2801 }
2802
2803 static int opt_input_ts_offset(const char *opt, const char *arg)
2804 {
2805 input_ts_offset = parse_time_or_die(opt, arg, 1);
2806 return 0;
2807 }
2808
2809 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2810 {
2811 const char *codec_string = encoder ? "encoder" : "decoder";
2812 AVCodec *codec;
2813
2814 if(!name)
2815 return CODEC_ID_NONE;
2816 codec = encoder ?
2817 avcodec_find_encoder_by_name(name) :
2818 avcodec_find_decoder_by_name(name);
2819 if(!codec) {
2820 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2821 av_exit(1);
2822 }
2823 if(codec->type != type) {
2824 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2825 av_exit(1);
2826 }
2827 return codec->id;
2828 }
2829
2830 static void opt_input_file(const char *filename)
2831 {
2832 AVFormatContext *ic;
2833 AVFormatParameters params, *ap = &params;
2834 int err, i, ret, rfps, rfps_base;
2835 int64_t timestamp;
2836
2837 if (!strcmp(filename, "-"))
2838 filename = "pipe:";
2839
2840 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2841 !strcmp(filename, "/dev/stdin");
2842
2843 /* get default parameters from command line */
2844 ic = avformat_alloc_context();
2845 if (!ic) {
2846 print_error(filename, AVERROR(ENOMEM));
2847 av_exit(1);
2848 }
2849
2850 memset(ap, 0, sizeof(*ap));
2851 ap->prealloced_context = 1;
2852 ap->sample_rate = audio_sample_rate;
2853 ap->channels = audio_channels;
2854 ap->time_base.den = frame_rate.num;
2855 ap->time_base.num = frame_rate.den;
2856 ap->width = frame_width + frame_padleft + frame_padright;
2857 ap->height = frame_height + frame_padtop + frame_padbottom;
2858 ap->pix_fmt = frame_pix_fmt;
2859 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2860 ap->channel = video_channel;
2861 ap->standard = video_standard;
2862 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2863 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2864 if(pgmyuv_compatibility_hack)
2865 ap->video_codec_id= CODEC_ID_PGMYUV;
2866
2867 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2868
2869 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2870 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2871 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2872 ic->flags |= AVFMT_FLAG_NONBLOCK;
2873
2874 /* open the input file with generic libav function */
2875 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2876 if (err < 0) {
2877 print_error(filename, err);
2878 av_exit(1);
2879 }
2880 if(opt_programid) {
2881 int i;
2882 for(i=0; i<ic->nb_programs; i++)
2883 if(ic->programs[i]->id != opt_programid)
2884 ic->programs[i]->discard = AVDISCARD_ALL;
2885 }
2886
2887 ic->loop_input = loop_input;
2888
2889 /* If not enough info to get the stream parameters, we decode the
2890 first frames to get it. (used in mpeg case for example) */
2891 ret = av_find_stream_info(ic);
2892 if (ret < 0 && verbose >= 0) {
2893 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2894 av_exit(1);
2895 }
2896
2897 timestamp = start_time;
2898 /* add the stream start time */
2899 if (ic->start_time != AV_NOPTS_VALUE)
2900 timestamp += ic->start_time;
2901
2902 /* if seeking requested, we execute it */
2903 if (start_time != 0) {
2904 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2905 if (ret < 0) {
2906 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2907 filename, (double)timestamp / AV_TIME_BASE);
2908 }
2909 /* reset seek info */
2910 start_time = 0;
2911 }
2912
2913 /* update the current parameters so that they match the one of the input stream */
2914 for(i=0;i<ic->nb_streams;i++) {
2915 AVCodecContext *enc = ic->streams[i]->codec;
2916 if(thread_count>1)
2917 avcodec_thread_init(enc, thread_count);
2918 enc->thread_count= thread_count;
2919 switch(enc->codec_type) {
2920 case CODEC_TYPE_AUDIO:
2921 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2922 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2923 channel_layout = enc->channel_layout;
2924 audio_channels = enc->channels;
2925 audio_sample_rate = enc->sample_rate;
2926 audio_sample_fmt = enc->sample_fmt;
2927 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2928 if(audio_disable)
2929 ic->streams[i]->discard= AVDISCARD_ALL;
2930 break;
2931 case CODEC_TYPE_VIDEO:
2932 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2933 frame_height = enc->height;
2934 frame_width = enc->width;
2935 if(ic->streams[i]->sample_aspect_ratio.num)
2936 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2937 else
2938 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2939 frame_aspect_ratio *= (float) enc->width / enc->height;
2940 frame_pix_fmt = enc->pix_fmt;
2941 rfps = ic->streams[i]->r_frame_rate.num;
2942 rfps_base = ic->streams[i]->r_frame_rate.den;
2943 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2944 if(me_threshold)
2945 enc->debug |= FF_DEBUG_MV;
2946
2947 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2948
2949 if (verbose >= 0)
2950 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2951 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2952
2953 (float)rfps / rfps_base, rfps, rfps_base);
2954 }
2955 /* update the current frame rate to match the stream frame rate */
2956 frame_rate.num = rfps;
2957 frame_rate.den = rfps_base;
2958
2959 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2960 if(video_disable)
2961 ic->streams[i]->discard= AVDISCARD_ALL;
2962 else if(video_discard)
2963 ic->streams[i]->discard= video_discard;
2964 break;
2965 case CODEC_TYPE_DATA:
2966 break;
2967 case CODEC_TYPE_SUBTITLE:
2968 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2969 if(subtitle_disable)
2970 ic->streams[i]->discard = AVDISCARD_ALL;
2971 break;
2972 case CODEC_TYPE_ATTACHMENT:
2973 case CODEC_TYPE_UNKNOWN:
2974 nb_icodecs++;
2975 break;
2976 default:
2977 abort();
2978 }
2979 }
2980
2981 input_files[nb_input_files] = ic;
2982 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2983 /* dump the file content */
2984 if (verbose >= 0)
2985 dump_format(ic, nb_input_files, filename, 0);
2986
2987 nb_input_files++;
2988 file_iformat = NULL;
2989 file_oformat = NULL;
2990
2991 video_channel = 0;
2992
2993 av_freep(&video_codec_name);
2994 av_freep(&audio_codec_name);
2995 av_freep(&subtitle_codec_name);
2996 }
2997
2998 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2999 int *has_subtitle_ptr)
3000 {
3001 int has_video, has_audio, has_subtitle, i, j;
3002 AVFormatContext *ic;
3003
3004 has_video = 0;
3005 has_audio = 0;
3006 has_subtitle = 0;
3007 for(j=0;j<nb_input_files;j++) {
3008 ic = input_files[j];
3009 for(i=0;i<ic->nb_streams;i++) {
3010 AVCodecContext *enc = ic->streams[i]->codec;
3011 switch(enc->codec_type) {
3012 case CODEC_TYPE_AUDIO:
3013 has_audio = 1;
3014 break;
3015 case CODEC_TYPE_VIDEO:
3016 has_video = 1;
3017 break;
3018 case CODEC_TYPE_SUBTITLE:
3019 has_subtitle = 1;
3020 break;
3021 case CODEC_TYPE_DATA:
3022 case CODEC_TYPE_ATTACHMENT:
3023 case CODEC_TYPE_UNKNOWN:
3024 break;
3025 default:
3026 abort();
3027 }
3028 }
3029 }
3030 *has_video_ptr = has_video;
3031 *has_audio_ptr = has_audio;
3032 *has_subtitle_ptr = has_subtitle;
3033 }
3034
3035 static void new_video_stream(AVFormatContext *oc)
3036 {
3037 AVStream *st;
3038 AVCodecContext *video_enc;
3039 enum CodecID codec_id;
3040
3041 st = av_new_stream(oc, oc->nb_streams);
3042 if (!st) {
3043 fprintf(stderr, "Could not alloc stream\n");
3044 av_exit(1);
3045 }
3046 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3047 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3048 video_bitstream_filters= NULL;
3049
3050 if(thread_count>1)
3051 avcodec_thread_init(st->codec, thread_count);
3052
3053 video_enc = st->codec;
3054
3055 if(video_codec_tag)
3056 video_enc->codec_tag= video_codec_tag;
3057
3058 if( (video_global_header&1)
3059 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3060 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3061 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3062 }
3063 if(video_global_header&2){
3064 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3065 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3066 }
3067
3068 if (video_stream_copy) {
3069 st->stream_copy = 1;
3070 video_enc->codec_type = CODEC_TYPE_VIDEO;
3071 video_enc->sample_aspect_ratio =
3072 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3073 } else {
3074 const char *p;
3075 int i;
3076 AVCodec *codec;
3077 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3078
3079 if (video_codec_name) {
3080 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3081 codec = avcodec_find_encoder_by_name(video_codec_name);
3082 output_codecs[nb_ocodecs] = codec;
3083 } else {
3084 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3085 codec = avcodec_find_encoder(codec_id);
3086 }
3087
3088 video_enc->codec_id = codec_id;
3089
3090 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3091
3092 if (codec && codec->supported_framerates && !force_fps)
3093 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3094 video_enc->time_base.den = fps.num;
3095 video_enc->time_base.num = fps.den;
3096
3097 video_enc->width = frame_width + frame_padright + frame_padleft;
3098 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3099 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3100 video_enc->pix_fmt = frame_pix_fmt;
3101 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3102
3103 if(codec && codec->pix_fmts){
3104 const enum PixelFormat *p= codec->pix_fmts;
3105 for(; *p!=-1; p++){
3106 if(*p == video_enc->pix_fmt)
3107 break;
3108 }
3109 if(*p == -1)
3110 video_enc->pix_fmt = codec->pix_fmts[0];
3111 }
3112
3113 if (intra_only)
3114 video_enc->gop_size = 0;
3115 if (video_qscale || same_quality) {
3116 video_enc->flags |= CODEC_FLAG_QSCALE;
3117 video_enc->global_quality=
3118 st->quality = FF_QP2LAMBDA * video_qscale;
3119 }
3120
3121 if(intra_matrix)
3122 video_enc->intra_matrix = intra_matrix;
3123 if(inter_matrix)
3124 video_enc->inter_matrix = inter_matrix;
3125
3126 video_enc->thread_count = thread_count;
3127 p= video_rc_override_string;
3128 for(i=0; p; i++){
3129 int start, end, q;
3130 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3131 if(e!=3){
3132 fprintf(stderr, "error parsing rc_override\n");
3133 av_exit(1);
3134 }
3135 video_enc->rc_override=
3136 av_realloc(video_enc->rc_override,
3137 sizeof(RcOverride)*(i+1));
3138 video_enc->rc_override[i].start_frame= start;
3139 video_enc->rc_override[i].end_frame = end;
3140 if(q>0){
3141 video_enc->rc_override[i].qscale= q;
3142 video_enc->rc_override[i].quality_factor= 1.0;
3143 }
3144 else{
3145 video_enc->rc_override[i].qscale= 0;
3146 video_enc->rc_override[i].quality_factor= -q/100.0;
3147 }
3148 p= strchr(p, '/');
3149 if(p) p++;
3150 }
3151 video_enc->rc_override_count=i;
3152 if (!video_enc->rc_initial_buffer_occupancy)
3153 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3154 video_enc->me_threshold= me_threshold;
3155 video_enc->intra_dc_precision= intra_dc_precision - 8;
3156
3157 if (do_psnr)
3158 video_enc->flags|= CODEC_FLAG_PSNR;
3159
3160 /* two pass mode */
3161 if (do_pass) {
3162 if (do_pass == 1) {
3163 video_enc->flags |= CODEC_FLAG_PASS1;
3164 } else {
3165 video_enc->flags |= CODEC_FLAG_PASS2;
3166 }
3167 }
3168 }
3169 nb_ocodecs++;
3170
3171 /* reset some key parameters */
3172 video_disable = 0;
3173 av_freep(&video_codec_name);
3174 video_stream_copy = 0;
3175 }
3176
3177 static void new_audio_stream(AVFormatContext *oc)
3178 {
3179 AVStream *st;
3180 AVCodecContext *audio_enc;
3181 enum CodecID codec_id;
3182
3183 st = av_new_stream(oc, oc->nb_streams);
3184 if (!st) {
3185 fprintf(stderr, "Could not alloc stream\n");
3186 av_exit(1);
3187 }
3188 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3189
3190 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3191 audio_bitstream_filters= NULL;
3192