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Add PIC flags early so tests they affect give correct results
[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 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
487 s->streams[i] = st;
488
489 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
490 st->stream_copy = 1;
491 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
492 st->stream_copy = 1;
493
494 if(!st->codec->thread_count)
495 st->codec->thread_count = 1;
496 if(st->codec->thread_count>1)
497 avcodec_thread_init(st->codec, st->codec->thread_count);
498
499 if(st->codec->flags & CODEC_FLAG_BITEXACT)
500 nopts = 1;
501 }
502
503 if (!nopts)
504 s->timestamp = av_gettime();
505
506 av_close_input_file(ic);
507 return 0;
508 }
509
510 static double
511 get_sync_ipts(const AVOutputStream *ost)
512 {
513 const AVInputStream *ist = ost->sync_ist;
514 return (double)(ist->pts - start_time)/AV_TIME_BASE;
515 }
516
517 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
518 int ret;
519
520 while(bsfc){
521 AVPacket new_pkt= *pkt;
522 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
523 &new_pkt.data, &new_pkt.size,
524 pkt->data, pkt->size,
525 pkt->flags & PKT_FLAG_KEY);
526 if(a>0){
527 av_free_packet(pkt);
528 new_pkt.destruct= av_destruct_packet;
529 } else if(a<0){
530 fprintf(stderr, "%s failed for stream %d, codec %s",
531 bsfc->filter->name, pkt->stream_index,
532 avctx->codec ? avctx->codec->name : "copy");
533 print_error("", a);
534 if (exit_on_error)
535 av_exit(1);
536 }
537 *pkt= new_pkt;
538
539 bsfc= bsfc->next;
540 }
541
542 ret= av_interleaved_write_frame(s, pkt);
543 if(ret < 0){
544 print_error("av_interleaved_write_frame()", ret);
545 av_exit(1);
546 }
547 }
548
549 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
550
551 static void do_audio_out(AVFormatContext *s,
552 AVOutputStream *ost,
553 AVInputStream *ist,
554 unsigned char *buf, int size)
555 {
556 uint8_t *buftmp;
557 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
558
559 int size_out, frame_bytes, ret;
560 AVCodecContext *enc= ost->st->codec;
561 AVCodecContext *dec= ist->st->codec;
562 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
563 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
564
565 /* SC: dynamic allocation of buffers */
566 if (!audio_buf)
567 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
568 if (!audio_out)
569 audio_out = av_malloc(audio_out_size);
570 if (!audio_buf || !audio_out)
571 return; /* Should signal an error ! */
572
573 if (enc->channels != dec->channels)
574 ost->audio_resample = 1;
575
576 if (ost->audio_resample && !ost->resample) {
577 if (dec->sample_fmt != SAMPLE_FMT_S16)
578 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
579 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
580 enc->sample_rate, dec->sample_rate,
581 enc->sample_fmt, dec->sample_fmt,
582 16, 10, 0, 0.8);
583 if (!ost->resample) {
584 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
585 dec->channels, dec->sample_rate,
586 enc->channels, enc->sample_rate);
587 av_exit(1);
588 }
589 }
590
591 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
592 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
593 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
594 if (!audio_out2)
595 audio_out2 = av_malloc(audio_out_size);
596 if (!audio_out2)
597 av_exit(1);
598 if (ost->reformat_ctx)
599 av_audio_convert_free(ost->reformat_ctx);
600 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
601 dec->sample_fmt, 1, NULL, 0);
602 if (!ost->reformat_ctx) {
603 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
604 avcodec_get_sample_fmt_name(dec->sample_fmt),
605 avcodec_get_sample_fmt_name(enc->sample_fmt));
606 av_exit(1);
607 }
608 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
609 }
610
611 if(audio_sync_method){
612 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
613 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
614 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
615 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
616
617 //FIXME resample delay
618 if(fabs(delta) > 50){
619 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
620 if(byte_delta < 0){
621 byte_delta= FFMAX(byte_delta, -size);
622 size += byte_delta;
623 buf -= byte_delta;
624 if(verbose > 2)
625 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
626 if(!size)
627 return;
628 ist->is_start=0;
629 }else{
630 static uint8_t *input_tmp= NULL;
631 input_tmp= av_realloc(input_tmp, byte_delta + size);
632
633 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
634 ist->is_start=0;
635 else
636 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
637
638 memset(input_tmp, 0, byte_delta);
639 memcpy(input_tmp + byte_delta, buf, size);
640 buf= input_tmp;
641 size += byte_delta;
642 if(verbose > 2)
643 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
644 }
645 }else if(audio_sync_method>1){
646 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
647 assert(ost->audio_resample);
648 if(verbose > 2)
649 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
650 // 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));
651 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
652 }
653 }
654 }else
655 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
656 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
657
658 if (ost->audio_resample) {
659 buftmp = audio_buf;
660 size_out = audio_resample(ost->resample,
661 (short *)buftmp, (short *)buf,
662 size / (ist->st->codec->channels * isize));
663 size_out = size_out * enc->channels * osize;
664 } else {
665 buftmp = buf;
666 size_out = size;
667 }
668
669 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
670 const void *ibuf[6]= {buftmp};
671 void *obuf[6]= {audio_out2};
672 int istride[6]= {isize};
673 int ostride[6]= {osize};
674 int len= size_out/istride[0];
675 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
676 printf("av_audio_convert() failed\n");
677 if (exit_on_error)
678 av_exit(1);
679 return;
680 }
681 buftmp = audio_out2;
682 size_out = len*osize;
683 }
684
685 /* now encode as many frames as possible */
686 if (enc->frame_size > 1) {
687 /* output resampled raw samples */
688 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
689 fprintf(stderr, "av_fifo_realloc2() failed\n");
690 av_exit(1);
691 }
692 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
693
694 frame_bytes = enc->frame_size * osize * enc->channels;
695
696 while (av_fifo_size(ost->fifo) >= frame_bytes) {
697 AVPacket pkt;
698 av_init_packet(&pkt);
699
700 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
701
702 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
703
704 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
705 (short *)audio_buf);
706 if (ret < 0) {
707 fprintf(stderr, "Audio encoding failed\n");
708 av_exit(1);
709 }
710 audio_size += ret;
711 pkt.stream_index= ost->index;
712 pkt.data= audio_out;
713 pkt.size= ret;
714 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
715 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
716 pkt.flags |= PKT_FLAG_KEY;
717 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
718
719 ost->sync_opts += enc->frame_size;
720 }
721 } else {
722 AVPacket pkt;
723 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
724 av_init_packet(&pkt);
725
726 ost->sync_opts += size_out / (osize * enc->channels);
727
728 /* output a pcm frame */
729 /* determine the size of the coded buffer */
730 size_out /= osize;
731 if (coded_bps)
732 size_out *= coded_bps;
733
734 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
735 ret = avcodec_encode_audio(enc, audio_out, size_out,
736 (short *)buftmp);
737 if (ret < 0) {
738 fprintf(stderr, "Audio encoding failed\n");
739 av_exit(1);
740 }
741 audio_size += ret;
742 pkt.stream_index= ost->index;
743 pkt.data= audio_out;
744 pkt.size= ret;
745 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
746 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
747 pkt.flags |= PKT_FLAG_KEY;
748 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
749 }
750 }
751
752 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
753 {
754 AVCodecContext *dec;
755 AVPicture *picture2;
756 AVPicture picture_tmp;
757 uint8_t *buf = 0;
758
759 dec = ist->st->codec;
760
761 /* deinterlace : must be done before any resize */
762 if (do_deinterlace) {
763 int size;
764
765 /* create temporary picture */
766 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
767 buf = av_malloc(size);
768 if (!buf)
769 return;
770
771 picture2 = &picture_tmp;
772 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
773
774 if(avpicture_deinterlace(picture2, picture,
775 dec->pix_fmt, dec->width, dec->height) < 0) {
776 /* if error, do not deinterlace */
777 fprintf(stderr, "Deinterlacing failed\n");
778 av_free(buf);
779 buf = NULL;
780 picture2 = picture;
781 }
782 } else {
783 picture2 = picture;
784 }
785
786 if (picture != picture2)
787 *picture = *picture2;
788 *bufp = buf;
789 }
790
791 /* we begin to correct av delay at this threshold */
792 #define AV_DELAY_MAX 0.100
793
794 static void do_subtitle_out(AVFormatContext *s,
795 AVOutputStream *ost,
796 AVInputStream *ist,
797 AVSubtitle *sub,
798 int64_t pts)
799 {
800 static uint8_t *subtitle_out = NULL;
801 int subtitle_out_max_size = 65536;
802 int subtitle_out_size, nb, i;
803 AVCodecContext *enc;
804 AVPacket pkt;
805
806 if (pts == AV_NOPTS_VALUE) {
807 fprintf(stderr, "Subtitle packets must have a pts\n");
808 if (exit_on_error)
809 av_exit(1);
810 return;
811 }
812
813 enc = ost->st->codec;
814
815 if (!subtitle_out) {
816 subtitle_out = av_malloc(subtitle_out_max_size);
817 }
818
819 /* Note: DVB subtitle need one packet to draw them and one other
820 packet to clear them */
821 /* XXX: signal it in the codec context ? */
822 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
823 nb = 2;
824 else
825 nb = 1;
826
827 for(i = 0; i < nb; i++) {
828 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
829 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
830 subtitle_out_max_size, sub);
831 if (subtitle_out_size < 0) {
832 fprintf(stderr, "Subtitle encoding failed\n");
833 av_exit(1);
834 }
835
836 av_init_packet(&pkt);
837 pkt.stream_index = ost->index;
838 pkt.data = subtitle_out;
839 pkt.size = subtitle_out_size;
840 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
841 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
842 /* XXX: the pts correction is handled here. Maybe handling
843 it in the codec would be better */
844 if (i == 0)
845 pkt.pts += 90 * sub->start_display_time;
846 else
847 pkt.pts += 90 * sub->end_display_time;
848 }
849 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
850 }
851 }
852
853 static int bit_buffer_size= 1024*256;
854 static uint8_t *bit_buffer= NULL;
855
856 static void do_video_out(AVFormatContext *s,
857 AVOutputStream *ost,
858 AVInputStream *ist,
859 AVFrame *in_picture,
860 int *frame_size)
861 {
862 int nb_frames, i, ret;
863 int64_t topBand, bottomBand, leftBand, rightBand;
864 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
865 AVFrame picture_crop_temp, picture_pad_temp;
866 AVCodecContext *enc, *dec;
867
868 avcodec_get_frame_defaults(&picture_crop_temp);
869 avcodec_get_frame_defaults(&picture_pad_temp);
870
871 enc = ost->st->codec;
872 dec = ist->st->codec;
873
874 /* by default, we output a single frame */
875 nb_frames = 1;
876
877 *frame_size = 0;
878
879 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
880 double vdelta;
881 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
882 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
883 if (vdelta < -1.1)
884 nb_frames = 0;
885 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
886 if(vdelta<=-0.6){
887 nb_frames=0;
888 }else if(vdelta>0.6)
889 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
890 }else if (vdelta > 1.1)
891 nb_frames = lrintf(vdelta);
892 //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);
893 if (nb_frames == 0){
894 ++nb_frames_drop;
895 if (verbose>2)
896 fprintf(stderr, "*** drop!\n");
897 }else if (nb_frames > 1) {
898 nb_frames_dup += nb_frames;
899 if (verbose>2)
900 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
901 }
902 }else
903 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
904
905 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
906 if (nb_frames <= 0)
907 return;
908
909 if (ost->video_crop) {
910 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
911 fprintf(stderr, "error cropping picture\n");
912 if (exit_on_error)
913 av_exit(1);
914 return;
915 }
916 formatted_picture = &picture_crop_temp;
917 } else {
918 formatted_picture = in_picture;
919 }
920
921 final_picture = formatted_picture;
922 padding_src = formatted_picture;
923 resampling_dst = &ost->pict_tmp;
924 if (ost->video_pad) {
925 final_picture = &ost->pict_tmp;
926 if (ost->video_resample) {
927 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
928 fprintf(stderr, "error padding picture\n");
929 if (exit_on_error)
930 av_exit(1);
931 return;
932 }
933 resampling_dst = &picture_pad_temp;
934 }
935 }
936
937 if (ost->video_resample) {
938 padding_src = NULL;
939 final_picture = &ost->pict_tmp;
940 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
941 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
942 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
943
944 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));
945 /* keep bands proportional to the frame size */
946 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
947 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
948 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
949 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
950
951 /* sanity check to ensure no bad band sizes sneak in */
952 assert(topBand <= INT_MAX && topBand >= 0);
953 assert(bottomBand <= INT_MAX && bottomBand >= 0);
954 assert(leftBand <= INT_MAX && leftBand >= 0);
955 assert(rightBand <= INT_MAX && rightBand >= 0);
956
957 ost->topBand = topBand;
958 ost->bottomBand = bottomBand;
959 ost->leftBand = leftBand;
960 ost->rightBand = rightBand;
961
962 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
963 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
964 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
965
966 /* initialize a new scaler context */
967 sws_freeContext(ost->img_resample_ctx);
968 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
969 ost->img_resample_ctx = sws_getContext(
970 ist->st->codec->width - (ost->leftBand + ost->rightBand),
971 ist->st->codec->height - (ost->topBand + ost->bottomBand),
972 ist->st->codec->pix_fmt,
973 ost->st->codec->width - (ost->padleft + ost->padright),
974 ost->st->codec->height - (ost->padtop + ost->padbottom),
975 ost->st->codec->pix_fmt,
976 sws_flags, NULL, NULL, NULL);
977 if (ost->img_resample_ctx == NULL) {
978 fprintf(stderr, "Cannot get resampling context\n");
979 av_exit(1);
980 }
981 }
982 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
983 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
984 }
985
986 if (ost->video_pad) {
987 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
988 enc->height, enc->width, enc->pix_fmt,
989 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
990 }
991
992 /* duplicates frame if needed */
993 for(i=0;i<nb_frames;i++) {
994 AVPacket pkt;
995 av_init_packet(&pkt);
996 pkt.stream_index= ost->index;
997
998 if (s->oformat->flags & AVFMT_RAWPICTURE) {
999 /* raw pictures are written as AVPicture structure to
1000 avoid any copies. We support temorarily the older
1001 method. */
1002 AVFrame* old_frame = enc->coded_frame;
1003 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1004 pkt.data= (uint8_t *)final_picture;
1005 pkt.size= sizeof(AVPicture);
1006 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1007 pkt.flags |= PKT_FLAG_KEY;
1008
1009 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1010 enc->coded_frame = old_frame;
1011 } else {
1012 AVFrame big_picture;
1013
1014 big_picture= *final_picture;
1015 /* better than nothing: use input picture interlaced
1016 settings */
1017 big_picture.interlaced_frame = in_picture->interlaced_frame;
1018 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1019 if(top_field_first == -1)
1020 big_picture.top_field_first = in_picture->top_field_first;
1021 else
1022 big_picture.top_field_first = top_field_first;
1023 }
1024
1025 /* handles sameq here. This is not correct because it may
1026 not be a global option */
1027 if (same_quality) {
1028 big_picture.quality = ist->st->quality;
1029 }else
1030 big_picture.quality = ost->st->quality;
1031 if(!me_threshold)
1032 big_picture.pict_type = 0;
1033 // big_picture.pts = AV_NOPTS_VALUE;
1034 big_picture.pts= ost->sync_opts;
1035 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1036 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1037 ret = avcodec_encode_video(enc,
1038 bit_buffer, bit_buffer_size,
1039 &big_picture);
1040 if (ret < 0) {
1041 fprintf(stderr, "Video encoding failed\n");
1042 av_exit(1);
1043 }
1044
1045 if(ret>0){
1046 pkt.data= bit_buffer;
1047 pkt.size= ret;
1048 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1049 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1050 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1051 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1052 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1053
1054 if(enc->coded_frame->key_frame)
1055 pkt.flags |= PKT_FLAG_KEY;
1056 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1057 *frame_size = ret;
1058 video_size += ret;
1059 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1060 // enc->frame_number-1, ret, enc->pict_type);
1061 /* if two pass, output log */
1062 if (ost->logfile && enc->stats_out) {
1063 fprintf(ost->logfile, "%s", enc->stats_out);
1064 }
1065 }
1066 }
1067 ost->sync_opts++;
1068 ost->frame_number++;
1069 }
1070 }
1071
1072 static double psnr(double d){
1073 return -10.0*log(d)/log(10.0);
1074 }
1075
1076 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1077 int frame_size)
1078 {
1079 AVCodecContext *enc;
1080 int frame_number;
1081 double ti1, bitrate, avg_bitrate;
1082
1083 /* this is executed just the first time do_video_stats is called */
1084 if (!vstats_file) {
1085 vstats_file = fopen(vstats_filename, "w");
1086 if (!vstats_file) {
1087 perror("fopen");
1088 av_exit(1);
1089 }
1090 }
1091
1092 enc = ost->st->codec;
1093 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1094 frame_number = ost->frame_number;
1095 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1096 if (enc->flags&CODEC_FLAG_PSNR)
1097 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1098
1099 fprintf(vstats_file,"f_size= %6d ", frame_size);
1100 /* compute pts value */
1101 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1102 if (ti1 < 0.01)
1103 ti1 = 0.01;
1104
1105 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1106 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1107 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1108 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1109 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1110 }
1111 }
1112
1113 static void print_report(AVFormatContext **output_files,
1114 AVOutputStream **ost_table, int nb_ostreams,
1115 int is_last_report)
1116 {
1117 char buf[1024];
1118 AVOutputStream *ost;
1119 AVFormatContext *oc;
1120 int64_t total_size;
1121 AVCodecContext *enc;
1122 int frame_number, vid, i;
1123 double bitrate, ti1, pts;
1124 static int64_t last_time = -1;
1125 static int qp_histogram[52];
1126
1127 if (!is_last_report) {
1128 int64_t cur_time;
1129 /* display the report every 0.5 seconds */
1130 cur_time = av_gettime();
1131 if (last_time == -1) {
1132 last_time = cur_time;
1133 return;
1134 }
1135 if ((cur_time - last_time) < 500000)
1136 return;
1137 last_time = cur_time;
1138 }
1139
1140
1141 oc = output_files[0];
1142
1143 total_size = url_fsize(oc->pb);
1144 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1145 total_size= url_ftell(oc->pb);
1146
1147 buf[0] = '\0';
1148 ti1 = 1e10;
1149 vid = 0;
1150 for(i=0;i<nb_ostreams;i++) {
1151 ost = ost_table[i];
1152 enc = ost->st->codec;
1153 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1154 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1155 !ost->st->stream_copy ?
1156 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1157 }
1158 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1159 float t = (av_gettime()-timer_start) / 1000000.0;
1160
1161 frame_number = ost->frame_number;
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1163 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1164 !ost->st->stream_copy ?
1165 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1166 if(is_last_report)
1167 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1168 if(qp_hist){
1169 int j;
1170 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1171 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1172 qp_histogram[qp]++;
1173 for(j=0; j<32; j++)
1174 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1175 }
1176 if (enc->flags&CODEC_FLAG_PSNR){
1177 int j;
1178 double error, error_sum=0;
1179 double scale, scale_sum=0;
1180 char type[3]= {'Y','U','V'};
1181 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1182 for(j=0; j<3; j++){
1183 if(is_last_report){
1184 error= enc->error[j];
1185 scale= enc->width*enc->height*255.0*255.0*frame_number;
1186 }else{
1187 error= enc->coded_frame->error[j];
1188 scale= enc->width*enc->height*255.0*255.0;
1189 }
1190 if(j) scale/=4;
1191 error_sum += error;
1192 scale_sum += scale;
1193 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1194 }
1195 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1196 }
1197 vid = 1;
1198 }
1199 /* compute min output value */
1200 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1201 if ((pts < ti1) && (pts > 0))
1202 ti1 = pts;
1203 }
1204 if (ti1 < 0.01)
1205 ti1 = 0.01;
1206
1207 if (verbose || is_last_report) {
1208 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1209
1210 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1211 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1212 (double)total_size / 1024, ti1, bitrate);
1213
1214 if (verbose > 1)
1215 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1216 nb_frames_dup, nb_frames_drop);
1217
1218 if (verbose >= 0)
1219 fprintf(stderr, "%s \r", buf);
1220
1221 fflush(stderr);
1222 }
1223
1224 if (is_last_report && verbose >= 0){
1225 int64_t raw= audio_size + video_size + extra_size;
1226 fprintf(stderr, "\n");
1227 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1228 video_size/1024.0,
1229 audio_size/1024.0,
1230 extra_size/1024.0,
1231 100.0*(total_size - raw)/raw
1232 );
1233 }
1234 }
1235
1236 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1237 static int output_packet(AVInputStream *ist, int ist_index,
1238 AVOutputStream **ost_table, int nb_ostreams,
1239 const AVPacket *pkt)
1240 {
1241 AVFormatContext *os;
1242 AVOutputStream *ost;
1243 int ret, i;
1244 uint8_t *data_buf;
1245 int data_size, got_picture;
1246 AVFrame picture;
1247 void *buffer_to_free;
1248 static unsigned int samples_size= 0;
1249 AVSubtitle subtitle, *subtitle_to_free;
1250 int got_subtitle;
1251 AVPacket avpkt;
1252
1253 if(ist->next_pts == AV_NOPTS_VALUE)
1254 ist->next_pts= ist->pts;
1255
1256 if (pkt == NULL) {
1257 /* EOF handling */
1258 av_init_packet(&avpkt);
1259 avpkt.data = NULL;
1260 avpkt.size = 0;
1261 goto handle_eof;
1262 } else {
1263 avpkt = *pkt;
1264 }
1265
1266 if(pkt->dts != AV_NOPTS_VALUE)
1267 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1268
1269 //while we have more to decode or while the decoder did output something on EOF
1270 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1271 handle_eof:
1272 ist->pts= ist->next_pts;
1273
1274 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1275 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1276
1277 /* decode the packet if needed */
1278 data_buf = NULL; /* fail safe */
1279 data_size = 0;
1280 subtitle_to_free = NULL;
1281 if (ist->decoding_needed) {
1282 switch(ist->st->codec->codec_type) {
1283 case CODEC_TYPE_AUDIO:{
1284 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1285 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1286 av_free(samples);
1287 samples= av_malloc(samples_size);
1288 }
1289 data_size= samples_size;
1290 /* XXX: could avoid copy if PCM 16 bits with same
1291 endianness as CPU */
1292 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1293 &avpkt);
1294 if (ret < 0)
1295 goto fail_decode;
1296 avpkt.data += ret;
1297 avpkt.size -= ret;
1298 /* Some bug in mpeg audio decoder gives */
1299 /* data_size < 0, it seems they are overflows */
1300 if (data_size <= 0) {
1301 /* no audio frame */
1302 continue;
1303 }
1304 data_buf = (uint8_t *)samples;
1305 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1306 (ist->st->codec->sample_rate * ist->st->codec->channels);
1307 break;}
1308 case CODEC_TYPE_VIDEO:
1309 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1310 /* XXX: allocate picture correctly */
1311 avcodec_get_frame_defaults(&picture);
1312
1313 ret = avcodec_decode_video2(ist->st->codec,
1314 &picture, &got_picture, &avpkt);
1315 ist->st->quality= picture.quality;
1316 if (ret < 0)
1317 goto fail_decode;
1318 if (!got_picture) {
1319 /* no picture yet */
1320 goto discard_packet;
1321 }
1322 if (ist->st->codec->time_base.num != 0) {
1323 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1324 ist->next_pts += ((int64_t)AV_TIME_BASE *
1325 ist->st->codec->time_base.num * ticks) /
1326 ist->st->codec->time_base.den;
1327 }
1328 avpkt.size = 0;
1329 break;
1330 case CODEC_TYPE_SUBTITLE:
1331 ret = avcodec_decode_subtitle2(ist->st->codec,
1332 &subtitle, &got_subtitle, &avpkt);
1333 if (ret < 0)
1334 goto fail_decode;
1335 if (!got_subtitle) {
1336 goto discard_packet;
1337 }
1338 subtitle_to_free = &subtitle;
1339 avpkt.size = 0;
1340 break;
1341 default:
1342 goto fail_decode;
1343 }
1344 } else {
1345 switch(ist->st->codec->codec_type) {
1346 case CODEC_TYPE_AUDIO:
1347 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1348 ist->st->codec->sample_rate;
1349 break;
1350 case CODEC_TYPE_VIDEO:
1351 if (ist->st->codec->time_base.num != 0) {
1352 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1353 ist->next_pts += ((int64_t)AV_TIME_BASE *
1354 ist->st->codec->time_base.num * ticks) /
1355 ist->st->codec->time_base.den;
1356 }
1357 break;
1358 }
1359 data_buf = avpkt.data;
1360 data_size = avpkt.size;
1361 ret = avpkt.size;
1362 avpkt.size = 0;
1363 }
1364
1365 buffer_to_free = NULL;
1366 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1367 pre_process_video_frame(ist, (AVPicture *)&picture,
1368 &buffer_to_free);
1369 }
1370
1371 // preprocess audio (volume)
1372 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1373 if (audio_volume != 256) {
1374 short *volp;
1375 volp = samples;
1376 for(i=0;i<(data_size / sizeof(short));i++) {
1377 int v = ((*volp) * audio_volume + 128) >> 8;
1378 if (v < -32768) v = -32768;
1379 if (v > 32767) v = 32767;
1380 *volp++ = v;
1381 }
1382 }
1383 }
1384
1385 /* frame rate emulation */
1386 if (rate_emu) {
1387 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1388 int64_t now = av_gettime() - ist->start;
1389 if (pts > now)
1390 usleep(pts - now);
1391 }
1392
1393 /* if output time reached then transcode raw format,
1394 encode packets and output them */
1395 if (start_time == 0 || ist->pts >= start_time)
1396 for(i=0;i<nb_ostreams;i++) {
1397 int frame_size;
1398
1399 ost = ost_table[i];
1400 if (ost->source_index == ist_index) {
1401 os = output_files[ost->file_index];
1402
1403 /* set the input output pts pairs */
1404 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1405
1406 if (ost->encoding_needed) {
1407 switch(ost->st->codec->codec_type) {
1408 case CODEC_TYPE_AUDIO:
1409 do_audio_out(os, ost, ist, data_buf, data_size);
1410 break;
1411 case CODEC_TYPE_VIDEO:
1412 do_video_out(os, ost, ist, &picture, &frame_size);
1413 if (vstats_filename && frame_size)
1414 do_video_stats(os, ost, frame_size);
1415 break;
1416 case CODEC_TYPE_SUBTITLE:
1417 do_subtitle_out(os, ost, ist, &subtitle,
1418 pkt->pts);
1419 break;
1420 default:
1421 abort();
1422 }
1423 } else {
1424 AVFrame avframe; //FIXME/XXX remove this
1425 AVPacket opkt;
1426 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1427
1428 av_init_packet(&opkt);
1429
1430 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1431 continue;
1432
1433 /* no reencoding needed : output the packet directly */
1434 /* force the input stream PTS */
1435
1436 avcodec_get_frame_defaults(&avframe);
1437 ost->st->codec->coded_frame= &avframe;
1438 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1439
1440 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1441 audio_size += data_size;
1442 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1443 video_size += data_size;
1444 ost->sync_opts++;
1445 }
1446
1447 opkt.stream_index= ost->index;
1448 if(pkt->pts != AV_NOPTS_VALUE)
1449 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1450 else
1451 opkt.pts= AV_NOPTS_VALUE;
1452
1453 if (pkt->dts == AV_NOPTS_VALUE)
1454 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1455 else
1456 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1457 opkt.dts -= ost_tb_start_time;
1458
1459 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1460 opkt.flags= pkt->flags;
1461
1462 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1463 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1464 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1465 opkt.destruct= av_destruct_packet;
1466 } else {
1467 opkt.data = data_buf;
1468 opkt.size = data_size;
1469 }
1470
1471 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1472 ost->st->codec->frame_number++;
1473 ost->frame_number++;
1474 av_free_packet(&opkt);
1475 }
1476 }
1477 }
1478 av_free(buffer_to_free);
1479 /* XXX: allocate the subtitles in the codec ? */
1480 if (subtitle_to_free) {
1481 if (subtitle_to_free->rects != NULL) {
1482 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1483 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1484 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1485 av_freep(&subtitle_to_free->rects[i]);
1486 }
1487 av_freep(&subtitle_to_free->rects);
1488 }
1489 subtitle_to_free->num_rects = 0;
1490 subtitle_to_free = NULL;
1491 }
1492 }
1493 discard_packet:
1494 if (pkt == NULL) {
1495 /* EOF handling */
1496
1497 for(i=0;i<nb_ostreams;i++) {
1498 ost = ost_table[i];
1499 if (ost->source_index == ist_index) {
1500 AVCodecContext *enc= ost->st->codec;
1501 os = output_files[ost->file_index];
1502
1503 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1504 continue;
1505 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1506 continue;
1507
1508 if (ost->encoding_needed) {
1509 for(;;) {
1510 AVPacket pkt;
1511 int fifo_bytes;
1512 av_init_packet(&pkt);
1513 pkt.stream_index= ost->index;
1514
1515 switch(ost->st->codec->codec_type) {
1516 case CODEC_TYPE_AUDIO:
1517 fifo_bytes = av_fifo_size(ost->fifo);
1518 ret = 0;
1519 /* encode any samples remaining in fifo */
1520 if (fifo_bytes > 0) {
1521 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1522 int fs_tmp = enc->frame_size;
1523
1524 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1525 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1526 enc->frame_size = fifo_bytes / (osize * enc->channels);
1527 } else { /* pad */
1528 int frame_bytes = enc->frame_size*osize*enc->channels;
1529 if (samples_size < frame_bytes)
1530 av_exit(1);
1531 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1532 }
1533
1534 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1535 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1536 ost->st->time_base.num, enc->sample_rate);
1537 enc->frame_size = fs_tmp;
1538 }
1539 if(ret <= 0) {
1540 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1541 }
1542 if (ret < 0) {
1543 fprintf(stderr, "Audio encoding failed\n");
1544 av_exit(1);
1545 }
1546 audio_size += ret;
1547 pkt.flags |= PKT_FLAG_KEY;
1548 break;
1549 case CODEC_TYPE_VIDEO:
1550 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1551 if (ret < 0) {
1552 fprintf(stderr, "Video encoding failed\n");
1553 av_exit(1);
1554 }
1555 video_size += ret;
1556 if(enc->coded_frame && enc->coded_frame->key_frame)
1557 pkt.flags |= PKT_FLAG_KEY;
1558 if (ost->logfile && enc->stats_out) {
1559 fprintf(ost->logfile, "%s", enc->stats_out);
1560 }
1561 break;
1562 default:
1563 ret=-1;
1564 }
1565
1566 if(ret<=0)
1567 break;
1568 pkt.data= bit_buffer;
1569 pkt.size= ret;
1570 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1571 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1572 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1573 }
1574 }
1575 }
1576 }
1577 }
1578
1579 return 0;
1580 fail_decode:
1581 return -1;
1582 }
1583
1584 static void print_sdp(AVFormatContext **avc, int n)
1585 {
1586 char sdp[2048];
1587
1588 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1589 printf("SDP:\n%s\n", sdp);
1590 fflush(stdout);
1591 }
1592
1593 static int stream_index_from_inputs(AVFormatContext **input_files,
1594 int nb_input_files,
1595 AVInputFile *file_table,
1596 AVInputStream **ist_table,
1597 enum CodecType type,
1598 int programid)
1599 {
1600 int p, q, z;
1601 for(z=0; z<nb_input_files; z++) {
1602 AVFormatContext *ic = input_files[z];
1603 for(p=0; p<ic->nb_programs; p++) {
1604 AVProgram *program = ic->programs[p];
1605 if(program->id != programid)
1606 continue;
1607 for(q=0; q<program->nb_stream_indexes; q++) {
1608 int sidx = program->stream_index[q];
1609 int ris = file_table[z].ist_index + sidx;
1610 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1611 return ris;
1612 }
1613 }
1614 }
1615
1616 return -1;
1617 }
1618
1619 /*
1620 * The following code is the main loop of the file converter
1621 */
1622 static int av_encode(AVFormatContext **output_files,
1623 int nb_output_files,
1624 AVFormatContext **input_files,
1625 int nb_input_files,
1626 AVStreamMap *stream_maps, int nb_stream_maps)
1627 {
1628 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1629 AVFormatContext *is, *os;
1630 AVCodecContext *codec, *icodec;
1631 AVOutputStream *ost, **ost_table = NULL;
1632 AVInputStream *ist, **ist_table = NULL;
1633 AVInputFile *file_table;
1634 char error[1024];
1635 int key;
1636 int want_sdp = 1;
1637 uint8_t no_packet[MAX_FILES]={0};
1638 int no_packet_count=0;
1639
1640 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1641 if (!file_table)
1642 goto fail;
1643
1644 /* input stream init */
1645 j = 0;
1646 for(i=0;i<nb_input_files;i++) {
1647 is = input_files[i];
1648 file_table[i].ist_index = j;
1649 file_table[i].nb_streams = is->nb_streams;
1650 j += is->nb_streams;
1651 }
1652 nb_istreams = j;
1653
1654 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1655 if (!ist_table)
1656 goto fail;
1657
1658 for(i=0;i<nb_istreams;i++) {
1659 ist = av_mallocz(sizeof(AVInputStream));
1660 if (!ist)
1661 goto fail;
1662 ist_table[i] = ist;
1663 }
1664 j = 0;
1665 for(i=0;i<nb_input_files;i++) {
1666 is = input_files[i];
1667 for(k=0;k<is->nb_streams;k++) {
1668 ist = ist_table[j++];
1669 ist->st = is->streams[k];
1670 ist->file_index = i;
1671 ist->index = k;
1672 ist->discard = 1; /* the stream is discarded by default
1673 (changed later) */
1674
1675 if (rate_emu) {
1676 ist->start = av_gettime();
1677 }
1678 }
1679 }
1680
1681 /* output stream init */
1682 nb_ostreams = 0;
1683 for(i=0;i<nb_output_files;i++) {
1684 os = output_files[i];
1685 if (!os->nb_streams) {
1686 dump_format(output_files[i], i, output_files[i]->filename, 1);
1687 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1688 av_exit(1);
1689 }
1690 nb_ostreams += os->nb_streams;
1691 }
1692 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1693 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1694 av_exit(1);
1695 }
1696
1697 /* Sanity check the mapping args -- do the input files & streams exist? */
1698 for(i=0;i<nb_stream_maps;i++) {
1699 int fi = stream_maps[i].file_index;
1700 int si = stream_maps[i].stream_index;
1701
1702 if (fi < 0 || fi > nb_input_files - 1 ||
1703 si < 0 || si > file_table[fi].nb_streams - 1) {
1704 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1705 av_exit(1);
1706 }
1707 fi = stream_maps[i].sync_file_index;
1708 si = stream_maps[i].sync_stream_index;
1709 if (fi < 0 || fi > nb_input_files - 1 ||
1710 si < 0 || si > file_table[fi].nb_streams - 1) {
1711 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1712 av_exit(1);
1713 }
1714 }
1715
1716 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1717 if (!ost_table)
1718 goto fail;
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = av_mallocz(sizeof(AVOutputStream));
1721 if (!ost)
1722 goto fail;
1723 ost_table[i] = ost;
1724 }
1725
1726 n = 0;
1727 for(k=0;k<nb_output_files;k++) {
1728 os = output_files[k];
1729 for(i=0;i<os->nb_streams;i++,n++) {
1730 int found;
1731 ost = ost_table[n];
1732 ost->file_index = k;
1733 ost->index = i;
1734 ost->st = os->streams[i];
1735 if (nb_stream_maps > 0) {
1736 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1737 stream_maps[n].stream_index;
1738
1739 /* Sanity check that the stream types match */
1740 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1741 int i= ost->file_index;
1742 dump_format(output_files[i], i, output_files[i]->filename, 1);
1743 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1744 stream_maps[n].file_index, stream_maps[n].stream_index,
1745 ost->file_index, ost->index);
1746 av_exit(1);
1747 }
1748
1749 } else {
1750 if(opt_programid) {
1751 found = 0;
1752 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1753 if(j != -1) {
1754 ost->source_index = j;
1755 found = 1;
1756 }
1757 } else {
1758 /* get corresponding input stream index : we select the first one with the right type */
1759 found = 0;
1760 for(j=0;j<nb_istreams;j++) {
1761 ist = ist_table[j];
1762 if (ist->discard &&
1763 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1764 ost->source_index = j;
1765 found = 1;
1766 break;
1767 }
1768 }
1769 }
1770
1771 if (!found) {
1772 if(! opt_programid) {
1773 /* try again and reuse existing stream */
1774 for(j=0;j<nb_istreams;j++) {
1775 ist = ist_table[j];
1776 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1777 ost->source_index = j;
1778 found = 1;
1779 }
1780 }
1781 }
1782 if (!found) {
1783 int i= ost->file_index;
1784 dump_format(output_files[i], i, output_files[i]->filename, 1);
1785 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1786 ost->file_index, ost->index);
1787 av_exit(1);
1788 }
1789 }
1790 }
1791 ist = ist_table[ost->source_index];
1792 ist->discard = 0;
1793 ost->sync_ist = (nb_stream_maps > 0) ?
1794 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1795 stream_maps[n].sync_stream_index] : ist;
1796 }
1797 }
1798
1799 /* for each output stream, we compute the right encoding parameters */
1800 for(i=0;i<nb_ostreams;i++) {
1801 AVMetadataTag *lang;
1802 ost = ost_table[i];
1803 os = output_files[ost->file_index];
1804 ist = ist_table[ost->source_index];
1805
1806 codec = ost->st->codec;
1807 icodec = ist->st->codec;
1808
1809 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1810 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1811 av_metadata_set(&ost->st->metadata, "language", lang->value);
1812
1813 ost->st->disposition = ist->st->disposition;
1814 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1815 codec->chroma_sample_location = icodec->chroma_sample_location;
1816
1817 if (ost->st->stream_copy) {
1818 /* if stream_copy is selected, no need to decode or encode */
1819 codec->codec_id = icodec->codec_id;
1820 codec->codec_type = icodec->codec_type;
1821
1822 if(!codec->codec_tag){
1823 if( !os->oformat->codec_tag
1824 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1825 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1826 codec->codec_tag = icodec->codec_tag;
1827 }
1828
1829 codec->bit_rate = icodec->bit_rate;
1830 codec->extradata= icodec->extradata;
1831 codec->extradata_size= icodec->extradata_size;
1832 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){
1833 codec->time_base = icodec->time_base;
1834 codec->time_base.num *= icodec->ticks_per_frame;
1835 }else
1836 codec->time_base = ist->st->time_base;
1837 switch(codec->codec_type) {
1838 case CODEC_TYPE_AUDIO:
1839 if(audio_volume != 256) {
1840 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1841 av_exit(1);
1842 }
1843 codec->channel_layout = icodec->channel_layout;
1844 codec->sample_rate = icodec->sample_rate;
1845 codec->channels = icodec->channels;
1846 codec->frame_size = icodec->frame_size;
1847 codec->block_align= icodec->block_align;
1848 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1849 codec->block_align= 0;
1850 if(codec->codec_id == CODEC_ID_AC3)
1851 codec->block_align= 0;
1852 break;
1853 case CODEC_TYPE_VIDEO:
1854 codec->pix_fmt = icodec->pix_fmt;
1855 codec->width = icodec->width;
1856 codec->height = icodec->height;
1857 codec->has_b_frames = icodec->has_b_frames;
1858 break;
1859 case CODEC_TYPE_SUBTITLE:
1860 codec->width = icodec->width;
1861 codec->height = icodec->height;
1862 break;
1863 default:
1864 abort();
1865 }
1866 } else {
1867 switch(codec->codec_type) {
1868 case CODEC_TYPE_AUDIO:
1869 ost->fifo= av_fifo_alloc(1024);
1870 if(!ost->fifo)
1871 goto fail;
1872 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1873 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1874 icodec->request_channels = codec->channels;
1875 ist->decoding_needed = 1;
1876 ost->encoding_needed = 1;
1877 break;
1878 case CODEC_TYPE_VIDEO:
1879 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1880 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1881 av_exit(1);
1882 }
1883 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1884 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1885 ost->video_resample = ((codec->width != icodec->width -
1886 (frame_leftBand + frame_rightBand) +
1887 (frame_padleft + frame_padright)) ||
1888 (codec->height != icodec->height -
1889 (frame_topBand + frame_bottomBand) +
1890 (frame_padtop + frame_padbottom)) ||
1891 (codec->pix_fmt != icodec->pix_fmt));
1892 if (ost->video_crop) {
1893 ost->topBand = ost->original_topBand = frame_topBand;
1894 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1895 ost->leftBand = ost->original_leftBand = frame_leftBand;
1896 ost->rightBand = ost->original_rightBand = frame_rightBand;
1897 }
1898 if (ost->video_pad) {
1899 ost->padtop = frame_padtop;
1900 ost->padleft = frame_padleft;
1901 ost->padbottom = frame_padbottom;
1902 ost->padright = frame_padright;
1903 if (!ost->video_resample) {
1904 avcodec_get_frame_defaults(&ost->pict_tmp);
1905 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1906 codec->width, codec->height))
1907 goto fail;
1908 }
1909 }
1910 if (ost->video_resample) {
1911 avcodec_get_frame_defaults(&ost->pict_tmp);
1912 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1913 codec->width, codec->height)) {
1914 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1915 av_exit(1);
1916 }
1917 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1918 ost->img_resample_ctx = sws_getContext(
1919 icodec->width - (frame_leftBand + frame_rightBand),
1920 icodec->height - (frame_topBand + frame_bottomBand),
1921 icodec->pix_fmt,
1922 codec->width - (frame_padleft + frame_padright),
1923 codec->height - (frame_padtop + frame_padbottom),
1924 codec->pix_fmt,
1925 sws_flags, NULL, NULL, NULL);
1926 if (ost->img_resample_ctx == NULL) {
1927 fprintf(stderr, "Cannot get resampling context\n");
1928 av_exit(1);
1929 }
1930
1931 ost->original_height = icodec->height;
1932 ost->original_width = icodec->width;
1933
1934 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1935 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1936 ost->resample_pix_fmt= icodec->pix_fmt;
1937 codec->bits_per_raw_sample= 0;
1938 }
1939 ost->encoding_needed = 1;
1940 ist->decoding_needed = 1;
1941 break;
1942 case CODEC_TYPE_SUBTITLE:
1943 ost->encoding_needed = 1;
1944 ist->decoding_needed = 1;
1945 break;
1946 default:
1947 abort();
1948 break;
1949 }
1950 /* two pass mode */
1951 if (ost->encoding_needed &&
1952 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1953 char logfilename[1024];
1954 FILE *f;
1955 int size;
1956 char *logbuffer;
1957
1958 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1959 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1960 i);
1961 if (codec->flags & CODEC_FLAG_PASS1) {
1962 f = fopen(logfilename, "w");
1963 if (!f) {
1964 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1965 av_exit(1);
1966 }
1967 ost->logfile = f;
1968 } else {
1969 /* read the log file */
1970 f = fopen(logfilename, "r");
1971 if (!f) {
1972 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1973 av_exit(1);
1974 }
1975 fseek(f, 0, SEEK_END);
1976 size = ftell(f);
1977 fseek(f, 0, SEEK_SET);
1978 logbuffer = av_malloc(size + 1);
1979 if (!logbuffer) {
1980 fprintf(stderr, "Could not allocate log buffer\n");
1981 av_exit(1);
1982 }
1983 size = fread(logbuffer, 1, size, f);
1984 fclose(f);
1985 logbuffer[size] = '\0';
1986 codec->stats_in = logbuffer;
1987 }
1988 }
1989 }
1990 if(codec->codec_type == CODEC_TYPE_VIDEO){
1991 int size= codec->width * codec->height;
1992 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1993 }
1994 }
1995
1996 if (!bit_buffer)
1997 bit_buffer = av_malloc(bit_buffer_size);
1998 if (!bit_buffer) {
1999 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2000 bit_buffer_size);
2001 ret = AVERROR(ENOMEM);
2002 goto fail;
2003 }
2004
2005 /* open each encoder */
2006 for(i=0;i<nb_ostreams;i++) {
2007 ost = ost_table[i];
2008 if (ost->encoding_needed) {
2009 AVCodec *codec = output_codecs[i];
2010 if (!codec)
2011 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2012 if (!codec) {
2013 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2014 ost->st->codec->codec_id, ost->file_index, ost->index);
2015 ret = AVERROR(EINVAL);
2016 goto dump_format;
2017 }
2018 if (avcodec_open(ost->st->codec, codec) < 0) {
2019 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2020 ost->file_index, ost->index);
2021 ret = AVERROR(EINVAL);
2022 goto dump_format;
2023 }
2024 extra_size += ost->st->codec->extradata_size;
2025 }
2026 }
2027
2028 /* open each decoder */
2029 for(i=0;i<nb_istreams;i++) {
2030 ist = ist_table[i];
2031 if (ist->decoding_needed) {
2032 AVCodec *codec = input_codecs[i];
2033 if (!codec)
2034 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2035 if (!codec) {
2036 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2037 ist->st->codec->codec_id, ist->file_index, ist->index);
2038 ret = AVERROR(EINVAL);
2039 goto dump_format;
2040 }
2041 if (avcodec_open(ist->st->codec, codec) < 0) {
2042 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2043 ist->file_index, ist->index);
2044 ret = AVERROR(EINVAL);
2045 goto dump_format;
2046 }
2047 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2048 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2049 }
2050 }
2051
2052 /* init pts */
2053 for(i=0;i<nb_istreams;i++) {
2054 ist = ist_table[i];
2055 ist->pts = 0;
2056 ist->next_pts = AV_NOPTS_VALUE;
2057 ist->is_start = 1;
2058 }
2059
2060 /* set meta data information from input file if required */
2061 for (i=0;i<nb_meta_data_maps;i++) {
2062 AVFormatContext *out_file;
2063 AVFormatContext *in_file;
2064 AVMetadataTag *mtag;
2065
2066 int out_file_index = meta_data_maps[i].out_file;
2067 int in_file_index = meta_data_maps[i].in_file;
2068 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2069 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2070 out_file_index, out_file_index, in_file_index);
2071 ret = AVERROR(EINVAL);
2072 goto dump_format;
2073 }
2074 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2075 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2076 in_file_index, out_file_index, in_file_index);
2077 ret = AVERROR(EINVAL);
2078 goto dump_format;
2079 }
2080
2081 out_file = output_files[out_file_index];
2082 in_file = input_files[in_file_index];
2083
2084
2085 mtag=NULL;
2086 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2087 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2088 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2089 in_file->iformat->metadata_conv);
2090 }
2091
2092 /* open files and write file headers */
2093 for(i=0;i<nb_output_files;i++) {
2094 os = output_files[i];
2095 if (av_write_header(os) < 0) {
2096 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2097 ret = AVERROR(EINVAL);
2098 goto dump_format;
2099 }
2100 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2101 want_sdp = 0;
2102 }
2103 }
2104
2105 dump_format:
2106 /* dump the file output parameters - cannot be done before in case
2107 of stream copy */
2108 for(i=0;i<nb_output_files;i++) {
2109 dump_format(output_files[i], i, output_files[i]->filename, 1);
2110 }
2111
2112 /* dump the stream mapping */
2113 if (verbose >= 0) {
2114 fprintf(stderr, "Stream mapping:\n");
2115 for(i=0;i<nb_ostreams;i++) {
2116 ost = ost_table[i];
2117 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2118 ist_table[ost->source_index]->file_index,
2119 ist_table[ost->source_index]->index,
2120 ost->file_index,
2121 ost->index);
2122 if (ost->sync_ist != ist_table[ost->source_index])
2123 fprintf(stderr, " [sync #%d.%d]",
2124 ost->sync_ist->file_index,
2125 ost->sync_ist->index);
2126 fprintf(stderr, "\n");
2127 }
2128 }
2129
2130 if (ret) {
2131 fprintf(stderr, "%s\n", error);
2132 goto fail;
2133 }
2134
2135 if (want_sdp) {
2136 print_sdp(output_files, nb_output_files);
2137 }
2138
2139 if (!using_stdin && verbose >= 0) {
2140 fprintf(stderr, "Press [q] to stop encoding\n");
2141 url_set_interrupt_cb(decode_interrupt_cb);
2142 }
2143 term_init();
2144
2145 timer_start = av_gettime();
2146
2147 for(; received_sigterm == 0;) {
2148 int file_index, ist_index;
2149 AVPacket pkt;
2150 double ipts_min;
2151 double opts_min;
2152
2153 redo:
2154 ipts_min= 1e100;
2155 opts_min= 1e100;
2156 /* if 'q' pressed, exits */
2157 if (!using_stdin) {
2158 if (q_pressed)
2159 break;
2160 /* read_key() returns 0 on EOF */
2161 key = read_key();
2162 if (key == 'q')
2163 break;
2164 }
2165
2166 /* select the stream that we must read now by looking at the
2167 smallest output pts */
2168 file_index = -1;
2169 for(i=0;i<nb_ostreams;i++) {
2170 double ipts, opts;
2171 ost = ost_table[i];
2172 os = output_files[ost->file_index];
2173 ist = ist_table[ost->source_index];
2174 if(no_packet[ist->file_index])
2175 continue;
2176 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2177 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2178 else
2179 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2180 ipts = (double)ist->pts;
2181 if (!file_table[ist->file_index].eof_reached){
2182 if(ipts < ipts_min) {
2183 ipts_min = ipts;
2184 if(input_sync ) file_index = ist->file_index;
2185 }
2186 if(opts < opts_min) {
2187 opts_min = opts;
2188 if(!input_sync) file_index = ist->file_index;
2189 }
2190 }
2191 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2192 file_index= -1;
2193 break;
2194 }
2195 }
2196 /* if none, if is finished */
2197 if (file_index < 0) {
2198 if(no_packet_count){
2199 no_packet_count=0;
2200 memset(no_packet, 0, sizeof(no_packet));
2201 usleep(10000);
2202 continue;
2203 }
2204 break;
2205 }
2206
2207 /* finish if recording time exhausted */
2208 if (opts_min >= (recording_time / 1000000.0))
2209 break;
2210
2211 /* finish if limit size exhausted */
2212 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2213 break;
2214
2215 /* read a frame from it and output it in the fifo */
2216 is = input_files[file_index];
2217 ret= av_read_frame(is, &pkt);
2218 if(ret == AVERROR(EAGAIN)){
2219 no_packet[file_index]=1;
2220 no_packet_count++;
2221 continue;
2222 }
2223 if (ret < 0) {
2224 file_table[file_index].eof_reached = 1;
2225 if (opt_shortest)
2226 break;
2227 else
2228 continue;
2229 }
2230
2231 no_packet_count=0;
2232 memset(no_packet, 0, sizeof(no_packet));
2233
2234 if (do_pkt_dump) {
2235 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2236 }
2237 /* the following test is needed in case new streams appear
2238 dynamically in stream : we ignore them */
2239 if (pkt.stream_index >= file_table[file_index].nb_streams)
2240 goto discard_packet;
2241 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2242 ist = ist_table[ist_index];
2243 if (ist->discard)
2244 goto discard_packet;
2245
2246 if (pkt.dts != AV_NOPTS_VALUE)
2247 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2248 if (pkt.pts != AV_NOPTS_VALUE)
2249 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2250
2251 if(input_files_ts_scale[file_index][pkt.stream_index]){
2252 if(pkt.pts != AV_NOPTS_VALUE)
2253 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2254 if(pkt.dts != AV_NOPTS_VALUE)
2255 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2256 }
2257
2258 // 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);
2259 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2260 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2261 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2262 int64_t delta= pkt_dts - ist->next_pts;
2263 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2264 input_files_ts_offset[ist->file_index]-= delta;
2265 if (verbose > 2)
2266 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2267 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2268 if(pkt.pts != AV_NOPTS_VALUE)
2269 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2270 }
2271 }
2272
2273 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2274 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2275
2276 if (verbose >= 0)
2277 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2278 ist->file_index, ist->index);
2279 if (exit_on_error)
2280 av_exit(1);
2281 av_free_packet(&pkt);
2282 goto redo;
2283 }
2284
2285 discard_packet:
2286 av_free_packet(&pkt);
2287
2288 /* dump report by using the output first video and audio streams */
2289 print_report(output_files, ost_table, nb_ostreams, 0);
2290 }
2291
2292 /* at the end of stream, we must flush the decoder buffers */
2293 for(i=0;i<nb_istreams;i++) {
2294 ist = ist_table[i];
2295 if (ist->decoding_needed) {
2296 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2297 }
2298 }
2299
2300 term_exit();
2301
2302 /* write the trailer if needed and close file */
2303 for(i=0;i<nb_output_files;i++) {
2304 os = output_files[i];
2305 av_write_trailer(os);
2306 }
2307
2308 /* dump report by using the first video and audio streams */
2309 print_report(output_files, ost_table, nb_ostreams, 1);
2310
2311 /* close each encoder */
2312 for(i=0;i<nb_ostreams;i++) {
2313 ost = ost_table[i];
2314 if (ost->encoding_needed) {
2315 av_freep(&ost->st->codec->stats_in);
2316 avcodec_close(ost->st->codec);
2317 }
2318 }
2319
2320 /* close each decoder */
2321 for(i=0;i<nb_istreams;i++) {
2322 ist = ist_table[i];
2323 if (ist->decoding_needed) {
2324 avcodec_close(ist->st->codec);
2325 }
2326 }
2327
2328 /* finished ! */
2329 ret = 0;
2330
2331 fail:
2332 av_freep(&bit_buffer);
2333 av_free(file_table);
2334
2335 if (ist_table) {
2336 for(i=0;i<nb_istreams;i++) {
2337 ist = ist_table[i];
2338 av_free(ist);
2339 }
2340 av_free(ist_table);
2341 }
2342 if (ost_table) {
2343 for(i=0;i<nb_ostreams;i++) {
2344 ost = ost_table[i];
2345 if (ost) {
2346 if (ost->logfile) {
2347 fclose(ost->logfile);
2348 ost->logfile = NULL;
2349 }
2350 av_fifo_free(ost->fifo); /* works even if fifo is not
2351 initialized but set to zero */
2352 av_free(ost->pict_tmp.data[0]);
2353 if (ost->video_resample)
2354 sws_freeContext(ost->img_resample_ctx);
2355 if (ost->resample)
2356 audio_resample_close(ost->resample);
2357 if (ost->reformat_ctx)
2358 av_audio_convert_free(ost->reformat_ctx);
2359 av_free(ost);
2360 }
2361 }
2362 av_free(ost_table);
2363 }
2364 return ret;
2365 }
2366
2367 static void opt_format(const char *arg)
2368 {
2369 /* compatibility stuff for pgmyuv */
2370 if (!strcmp(arg, "pgmyuv")) {
2371 pgmyuv_compatibility_hack=1;
2372 // opt_image_format(arg);
2373 arg = "image2";
2374 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2375 }
2376
2377 file_iformat = av_find_input_format(arg);
2378 file_oformat = guess_format(arg, NULL, NULL);
2379 if (!file_iformat && !file_oformat) {
2380 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2381 av_exit(1);
2382 }
2383 }
2384
2385 static void opt_video_rc_override_string(const char *arg)
2386 {
2387 video_rc_override_string = arg;
2388 }
2389
2390 static int opt_me_threshold(const char *opt, const char *arg)
2391 {
2392 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2393 return 0;
2394 }
2395
2396 static int opt_verbose(const char *opt, const char *arg)
2397 {
2398 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2399 return 0;
2400 }
2401
2402 static int opt_frame_rate(const char *opt, const char *arg)
2403 {
2404 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2405 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2406 av_exit(1);
2407 }
2408 return 0;
2409 }
2410
2411 static int opt_bitrate(const char *opt, const char *arg)
2412 {
2413 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2414
2415 opt_default(opt, arg);
2416
2417 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2418 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2419
2420 return 0;
2421 }
2422
2423 static void opt_frame_crop_top(const char *arg)
2424 {
2425 frame_topBand = atoi(arg);
2426 if (frame_topBand < 0) {
2427 fprintf(stderr, "Incorrect top crop size\n");
2428 av_exit(1);
2429 }
2430 if ((frame_topBand) >= frame_height){
2431 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2432 av_exit(1);
2433 }
2434 frame_height -= frame_topBand;
2435 }
2436
2437 static void opt_frame_crop_bottom(const char *arg)
2438 {
2439 frame_bottomBand = atoi(arg);
2440 if (frame_bottomBand < 0) {
2441 fprintf(stderr, "Incorrect bottom crop size\n");
2442 av_exit(1);
2443 }
2444 if ((frame_bottomBand) >= frame_height){
2445 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2446 av_exit(1);
2447 }
2448 frame_height -= frame_bottomBand;
2449 }
2450
2451 static void opt_frame_crop_left(const char *arg)
2452 {
2453 frame_leftBand = atoi(arg);
2454 if (frame_leftBand < 0) {
2455 fprintf(stderr, "Incorrect left crop size\n");
2456 av_exit(1);
2457 }
2458 if ((frame_leftBand) >= frame_width){
2459 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2460 av_exit(1);
2461 }
2462 frame_width -= frame_leftBand;
2463 }
2464
2465 static void opt_frame_crop_right(const char *arg)
2466 {
2467 frame_rightBand = atoi(arg);
2468 if (frame_rightBand < 0) {
2469 fprintf(stderr, "Incorrect right crop size\n");
2470 av_exit(1);
2471 }
2472 if ((frame_rightBand) >= frame_width){
2473 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2474 av_exit(1);
2475 }
2476 frame_width -= frame_rightBand;
2477 }
2478
2479 static void opt_frame_size(const char *arg)
2480 {
2481 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2482 fprintf(stderr, "Incorrect frame size\n");
2483 av_exit(1);
2484 }
2485 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2486 fprintf(stderr, "Frame size must be a multiple of 2\n");
2487 av_exit(1);
2488 }
2489 }
2490
2491 static void opt_pad_color(const char *arg) {
2492 /* Input is expected to be six hex digits similar to
2493 how colors are expressed in html tags (but without the #) */
2494 int rgb = strtol(arg, NULL, 16);
2495 int r,g,b;
2496
2497 r = (rgb >> 16);
2498 g = ((rgb >> 8) & 255);
2499 b = (rgb & 255);
2500
2501 padcolor[0] = RGB_TO_Y(r,g,b);
2502 padcolor[1] = RGB_TO_U(r,g,b,0);
2503 padcolor[2] = RGB_TO_V(r,g,b,0);
2504 }
2505
2506 static void opt_frame_pad_top(const char *arg)
2507 {
2508 frame_padtop = atoi(arg);
2509 if (frame_padtop < 0) {
2510 fprintf(stderr, "Incorrect top pad size\n");
2511 av_exit(1);
2512 }
2513 }
2514
2515 static void opt_frame_pad_bottom(const char *arg)
2516 {
2517 frame_padbottom = atoi(arg);
2518 if (frame_padbottom < 0) {
2519 fprintf(stderr, "Incorrect bottom pad size\n");
2520 av_exit(1);
2521 }
2522 }
2523
2524
2525 static void opt_frame_pad_left(const char *arg)
2526 {
2527 frame_padleft = atoi(arg);
2528 if (frame_padleft < 0) {
2529 fprintf(stderr, "Incorrect left pad size\n");
2530 av_exit(1);
2531 }
2532 }
2533
2534
2535 static void opt_frame_pad_right(const char *arg)
2536 {
2537 frame_padright = atoi(arg);
2538 if (frame_padright < 0) {
2539 fprintf(stderr, "Incorrect right pad size\n");
2540 av_exit(1);
2541 }
2542 }
2543
2544 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2545 {
2546 int i;
2547 char fmt_str[128];
2548 for (i=-1; i < nb_fmts; i++) {
2549 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2550 fprintf(stdout, "%s\n", fmt_str);
2551 }
2552 }
2553
2554 static void opt_frame_pix_fmt(const char *arg)
2555 {
2556 if (strcmp(arg, "list")) {
2557 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2558 if (frame_pix_fmt == PIX_FMT_NONE) {
2559 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2560 av_exit(1);
2561 }
2562 } else {
2563 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2564 av_exit(0);
2565 }
2566 }
2567
2568 static void opt_frame_aspect_ratio(const char *arg)
2569 {
2570 int x = 0, y = 0;
2571 double ar = 0;
2572 const char *p;
2573 char *end;
2574
2575 p = strchr(arg, ':');
2576 if (p) {
2577 x = strtol(arg, &end, 10);
2578 if (end == p)
2579 y = strtol(end+1, &end, 10);
2580 if (x > 0 && y > 0)
2581 ar = (double)x / (double)y;
2582 } else
2583 ar = strtod(arg, NULL);
2584
2585 if (!ar) {
2586 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2587 av_exit(1);
2588 }
2589 frame_aspect_ratio = ar;
2590 }
2591
2592 static int opt_metadata(const char *opt, const char *arg)
2593 {
2594 char *mid= strchr(arg, '=');
2595
2596 if(!mid){
2597 fprintf(stderr, "Missing =\n");
2598 av_exit(1);
2599 }
2600 *mid++= 0;
2601
2602 metadata_count++;
2603 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2604 metadata[metadata_count-1].key = av_strdup(arg);
2605 metadata[metadata_count-1].value= av_strdup(mid);
2606
2607 return 0;
2608 }
2609
2610 static void opt_qscale(const char *arg)
2611 {
2612 video_qscale = atof(arg);
2613 if (video_qscale <= 0 ||
2614 video_qscale > 255) {
2615 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2616 av_exit(1);
2617 }
2618 }
2619
2620 static void opt_top_field_first(const char *arg)
2621 {
2622 top_field_first= atoi(arg);
2623 }
2624
2625 static int opt_thread_count(const char *opt, const char *arg)
2626 {
2627 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2628 #if !HAVE_THREADS
2629 if (verbose >= 0)
2630 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2631 #endif
2632 return 0;
2633 }
2634
2635 static void opt_audio_sample_fmt(const char *arg)
2636 {
2637 if (strcmp(arg, "list"))
2638 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2639 else {
2640 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2641 av_exit(0);
2642 }
2643 }
2644
2645 static int opt_audio_rate(const char *opt, const char *arg)
2646 {
2647 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2648 return 0;
2649 }
2650
2651 static int opt_audio_channels(const char *opt, const char *arg)
2652 {
2653 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2654 return 0;
2655 }
2656
2657 static void opt_video_channel(const char *arg)
2658 {
2659 video_channel = strtol(arg, NULL, 0);
2660 }
2661
2662 static void opt_video_standard(const char *arg)
2663 {
2664 video_standard = av_strdup(arg);
2665 }
2666
2667 static void opt_codec(int *pstream_copy, char **pcodec_name,
2668 int codec_type, const char *arg)
2669 {
2670 av_freep(pcodec_name);
2671 if (!strcmp(arg, "copy")) {
2672 *pstream_copy = 1;
2673 } else {
2674 *pcodec_name = av_strdup(arg);
2675 }
2676 }
2677
2678 static void opt_audio_codec(const char *arg)
2679 {
2680 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2681 }
2682
2683 static void opt_audio_tag(const char *arg)
2684 {
2685 char *tail;
2686 audio_codec_tag= strtol(arg, &tail, 0);
2687
2688 if(!tail || *tail)
2689 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2690 }
2691
2692 static void opt_video_tag(const char *arg)
2693 {
2694 char *tail;
2695 video_codec_tag= strtol(arg, &tail, 0);
2696
2697 if(!tail || *tail)
2698 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2699 }
2700
2701 static void opt_video_codec(const char *arg)
2702 {
2703 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2704 }
2705
2706 static void opt_subtitle_codec(const char *arg)
2707 {
2708 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2709 }
2710
2711 static void opt_subtitle_tag(const char *arg)
2712 {
2713 char *tail;
2714 subtitle_codec_tag= strtol(arg, &tail, 0);
2715
2716 if(!tail || *tail)
2717 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2718 }
2719
2720 static void opt_map(const char *arg)
2721 {
2722 AVStreamMap *m;
2723 char *p;
2724
2725 m = &stream_maps[nb_stream_maps++];
2726
2727 m->file_index = strtol(arg, &p, 0);
2728 if (*p)
2729 p++;
2730
2731 m->stream_index = strtol(p, &p, 0);
2732 if (*p) {
2733 p++;
2734 m->sync_file_index = strtol(p, &p, 0);
2735 if (*p)
2736 p++;
2737 m->sync_stream_index = strtol(p, &p, 0);
2738 } else {
2739 m->sync_file_index = m->file_index;
2740 m->sync_stream_index = m->stream_index;
2741 }
2742 }
2743
2744 static void opt_map_meta_data(const char *arg)
2745 {
2746 AVMetaDataMap *m;
2747 char *p;
2748
2749 m = &meta_data_maps[nb_meta_data_maps++];
2750
2751 m->out_file = strtol(arg, &p, 0);
2752 if (*p)
2753 p++;
2754
2755 m->in_file = strtol(p, &p, 0);
2756 }
2757
2758 static void opt_input_ts_scale(const char *arg)
2759 {
2760 unsigned int stream;
2761 double scale;
2762 char *p;
2763
2764 stream = strtol(arg, &p, 0);
2765 if (*p)
2766 p++;
2767 scale= strtod(p, &p);
2768
2769 if(stream >= MAX_STREAMS)
2770 av_exit(1);
2771
2772 input_files_ts_scale[nb_input_files][stream]= scale;
2773 }
2774
2775 static int opt_recording_time(const char *opt, const char *arg)
2776 {
2777 recording_time = parse_time_or_die(opt, arg, 1);
2778 return 0;
2779 }
2780
2781 static int opt_start_time(const char *opt, const char *arg)
2782 {
2783 start_time = parse_time_or_die(opt, arg, 1);
2784 return 0;
2785 }
2786
2787 static int opt_rec_timestamp(const char *opt, const char *arg)
2788 {
2789 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2790 return 0;
2791 }
2792
2793 static int opt_input_ts_offset(const char *opt, const char *arg)
2794 {
2795 input_ts_offset = parse_time_or_die(opt, arg, 1);
2796 return 0;
2797 }
2798
2799 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2800 {
2801 const char *codec_string = encoder ? "encoder" : "decoder";
2802 AVCodec *codec;
2803
2804 if(!name)
2805 return CODEC_ID_NONE;
2806 codec = encoder ?
2807 avcodec_find_encoder_by_name(name) :
2808 avcodec_find_decoder_by_name(name);
2809 if(!codec) {
2810 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2811 av_exit(1);
2812 }
2813 if(codec->type != type) {
2814 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2815 av_exit(1);
2816 }
2817 return codec->id;
2818 }
2819
2820 static void opt_input_file(const char *filename)
2821 {
2822 AVFormatContext *ic;
2823 AVFormatParameters params, *ap = &params;
2824 int err, i, ret, rfps, rfps_base;
2825 int64_t timestamp;
2826
2827 if (!strcmp(filename, "-"))
2828 filename = "pipe:";
2829
2830 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2831 !strcmp(filename, "/dev/stdin");
2832
2833 /* get default parameters from command line */
2834 ic = avformat_alloc_context();
2835
2836 memset(ap, 0, sizeof(*ap));
2837 ap->prealloced_context = 1;
2838 ap->sample_rate = audio_sample_rate;
2839 ap->channels = audio_channels;
2840 ap->time_base.den = frame_rate.num;
2841 ap->time_base.num = frame_rate.den;
2842 ap->width = frame_width + frame_padleft + frame_padright;
2843 ap->height = frame_height + frame_padtop + frame_padbottom;
2844 ap->pix_fmt = frame_pix_fmt;
2845 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2846 ap->channel = video_channel;
2847 ap->standard = video_standard;
2848 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2849 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2850 if(pgmyuv_compatibility_hack)
2851 ap->video_codec_id= CODEC_ID_PGMYUV;
2852
2853 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2854
2855 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2856 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2857 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2858 ic->flags |= AVFMT_FLAG_NONBLOCK;
2859
2860 /* open the input file with generic libav function */
2861 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2862 if (err < 0) {
2863 print_error(filename, err);
2864 av_exit(1);
2865 }
2866 if(opt_programid) {
2867 int i;
2868 for(i=0; i<ic->nb_programs; i++)
2869 if(ic->programs[i]->id != opt_programid)
2870 ic->programs[i]->discard = AVDISCARD_ALL;
2871 }
2872
2873 ic->loop_input = loop_input;
2874
2875 /* If not enough info to get the stream parameters, we decode the
2876 first frames to get it. (used in mpeg case for example) */
2877 ret = av_find_stream_info(ic);
2878 if (ret < 0 && verbose >= 0) {
2879 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2880 av_exit(1);
2881 }
2882
2883 timestamp = start_time;
2884 /* add the stream start time */
2885 if (ic->start_time != AV_NOPTS_VALUE)
2886 timestamp += ic->start_time;
2887
2888 /* if seeking requested, we execute it */
2889 if (start_time != 0) {
2890 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2891 if (ret < 0) {
2892 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2893 filename, (double)timestamp / AV_TIME_BASE);
2894 }
2895 /* reset seek info */
2896 start_time = 0;
2897 }
2898
2899 /* update the current parameters so that they match the one of the input stream */
2900 for(i=0;i<ic->nb_streams;i++) {
2901 AVCodecContext *enc = ic->streams[i]->codec;
2902 if(thread_count>1)
2903 avcodec_thread_init(enc, thread_count);
2904 enc->thread_count= thread_count;
2905 switch(enc->codec_type) {
2906 case CODEC_TYPE_AUDIO:
2907 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2908 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2909 channel_layout = enc->channel_layout;
2910 audio_channels = enc->channels;
2911 audio_sample_rate = enc->sample_rate;
2912 audio_sample_fmt = enc->sample_fmt;
2913 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2914 if(audio_disable)
2915 ic->streams[i]->discard= AVDISCARD_ALL;
2916 break;
2917 case CODEC_TYPE_VIDEO:
2918 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2919 frame_height = enc->height;
2920 frame_width = enc->width;
2921 if(ic->streams[i]->sample_aspect_ratio.num)
2922 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2923 else
2924 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2925 frame_aspect_ratio *= (float) enc->width / enc->height;
2926 frame_pix_fmt = enc->pix_fmt;
2927 rfps = ic->streams[i]->r_frame_rate.num;
2928 rfps_base = ic->streams[i]->r_frame_rate.den;
2929 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2930 if(me_threshold)
2931 enc->debug |= FF_DEBUG_MV;
2932
2933 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2934
2935 if (verbose >= 0)
2936 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2937 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2938
2939 (float)rfps / rfps_base, rfps, rfps_base);
2940 }
2941 /* update the current frame rate to match the stream frame rate */
2942 frame_rate.num = rfps;
2943 frame_rate.den = rfps_base;
2944
2945 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2946 if(video_disable)
2947 ic->streams[i]->discard= AVDISCARD_ALL;
2948 else if(video_discard)
2949 ic->streams[i]->discard= video_discard;
2950 break;
2951 case CODEC_TYPE_DATA:
2952 break;
2953 case CODEC_TYPE_SUBTITLE:
2954 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2955 if(subtitle_disable)
2956 ic->streams[i]->discard = AVDISCARD_ALL;
2957 break;
2958 case CODEC_TYPE_ATTACHMENT:
2959 case CODEC_TYPE_UNKNOWN:
2960 nb_icodecs++;
2961 break;
2962 default:
2963 abort();
2964 }
2965 }
2966
2967 input_files[nb_input_files] = ic;
2968 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2969 /* dump the file content */
2970 if (verbose >= 0)
2971 dump_format(ic, nb_input_files, filename, 0);
2972
2973 nb_input_files++;
2974 file_iformat = NULL;
2975 file_oformat = NULL;
2976
2977 video_channel = 0;
2978
2979 av_freep(&video_codec_name);
2980 av_freep(&audio_codec_name);
2981 av_freep(&subtitle_codec_name);
2982 }
2983
2984 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2985 int *has_subtitle_ptr)
2986 {
2987 int has_video, has_audio, has_subtitle, i, j;
2988 AVFormatContext *ic;
2989
2990 has_video = 0;
2991 has_audio = 0;
2992 has_subtitle = 0;
2993 for(j=0;j<nb_input_files;j++) {
2994 ic = input_files[j];
2995 for(i=0;i<ic->nb_streams;i++) {
2996 AVCodecContext *enc = ic->streams[i]->codec;
2997 switch(enc->codec_type) {
2998 case CODEC_TYPE_AUDIO:
2999 has_audio = 1;
3000 break;
3001 case CODEC_TYPE_VIDEO:
3002 has_video = 1;
3003 break;
3004 case CODEC_TYPE_SUBTITLE:
3005 has_subtitle = 1;
3006 break;
3007 case CODEC_TYPE_DATA:
3008 case CODEC_TYPE_ATTACHMENT:
3009 case CODEC_TYPE_UNKNOWN:
3010 break;
3011 default:
3012 abort();
3013 }
3014 }
3015 }
3016 *has_video_ptr = has_video;
3017 *has_audio_ptr = has_audio;
3018 *has_subtitle_ptr = has_subtitle;
3019 }
3020
3021 static void new_video_stream(AVFormatContext *oc)
3022 {
3023 AVStream *st;
3024 AVCodecContext *video_enc;
3025 enum CodecID codec_id;
3026
3027 st = av_new_stream(oc, oc->nb_streams);
3028 if (!st) {
3029 fprintf(stderr, "Could not alloc stream\n");
3030 av_exit(1);
3031 }
3032 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3033 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3034 video_bitstream_filters= NULL;
3035
3036 if(thread_count>1)
3037 avcodec_thread_init(st->codec, thread_count);
3038
3039 video_enc = st->codec;
3040
3041 if(video_codec_tag)
3042 video_enc->codec_tag= video_codec_tag;
3043
3044 if( (video_global_header&1)
3045 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3046 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3047 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3048 }
3049 if(video_global_header&2){
3050 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3051 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3052 }
3053
3054 if (video_stream_copy) {
3055 st->stream_copy = 1;
3056 video_enc->codec_type = CODEC_TYPE_VIDEO;
3057 video_enc->sample_aspect_ratio =
3058 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3059 } else {
3060 const char *p;
3061 int i;
3062 AVCodec *codec;
3063 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3064
3065 if (video_codec_name) {
3066 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3067 codec = avcodec_find_encoder_by_name(video_codec_name);
3068 output_codecs[nb_ocodecs] = codec;
3069 } else {
3070 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3071 codec = avcodec_find_encoder(codec_id);
3072 }
3073
3074 video_enc->codec_id = codec_id;
3075
3076 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3077
3078 if (codec && codec->supported_framerates && !force_fps)
3079 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3080 video_enc->time_base.den = fps.num;
3081 video_enc->time_base.num = fps.den;
3082
3083 video_enc->width = frame_width + frame_padright + frame_padleft;
3084 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3085 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3086 video_enc->pix_fmt = frame_pix_fmt;
3087 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3088
3089 if(codec && codec->pix_fmts){
3090 const enum PixelFormat *p= codec->pix_fmts;
3091 for(; *p!=-1; p++){
3092 if(*p == video_enc->pix_fmt)
3093 break;
3094 }
3095 if(*p == -1)
3096 video_enc->pix_fmt = codec->pix_fmts[0];
3097 }
3098
3099 if (intra_only)
3100 video_enc->gop_size = 0;
3101 if (video_qscale || same_quality) {
3102 video_enc->flags |= CODEC_FLAG_QSCALE;
3103 video_enc->global_quality=
3104 st->quality = FF_QP2LAMBDA * video_qscale;
3105 }
3106
3107 if(intra_matrix)
3108 video_enc->intra_matrix = intra_matrix;
3109 if(inter_matrix)
3110 video_enc->inter_matrix = inter_matrix;
3111
3112 video_enc->thread_count = thread_count;
3113 p= video_rc_override_string;
3114 for(i=0; p; i++){
3115 int start, end, q;
3116 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3117 if(e!=3){
3118 fprintf(stderr, "error parsing rc_override\n");
3119 av_exit(1);
3120 }
3121 video_enc->rc_override=
3122 av_realloc(video_enc->rc_override,
3123 sizeof(RcOverride)*(i+1));
3124 video_enc->rc_override[i].start_frame= start;
3125 video_enc->rc_override[i].end_frame = end;
3126 if(q>0){
3127 video_enc->rc_override[i].qscale= q;
3128 video_enc->rc_override[i].quality_factor= 1.0;
3129 }
3130 else{
3131 video_enc->rc_override[i].qscale= 0;
3132 video_enc->rc_override[i].quality_factor= -q/100.0;
3133 }
3134 p= strchr(p, '/');
3135 if(p) p++;
3136 }
3137 video_enc->rc_override_count=i;
3138 if (!video_enc->rc_initial_buffer_occupancy)
3139 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3140 video_enc->me_threshold= me_threshold;
3141 video_enc->intra_dc_precision= intra_dc_precision - 8;
3142
3143 if (do_psnr)
3144 video_enc->flags|= CODEC_FLAG_PSNR;
3145
3146 /* two pass mode */
3147 if (do_pass) {
3148 if (do_pass == 1) {
3149 video_enc->flags |= CODEC_FLAG_PASS1;
3150 } else {
3151 video_enc->flags |= CODEC_FLAG_PASS2;
3152 }
3153 }
3154 }
3155 nb_ocodecs++;
3156
3157 /* reset some key parameters */
3158 video_disable = 0;
3159 av_freep(&video_codec_name);
3160 video_stream_copy = 0;
3161 }
3162
3163 static void new_audio_stream(AVFormatContext *oc)
3164 {
3165 AVStream *st;
3166 AVCodecContext *audio_enc;
3167 enum CodecID codec_id;
3168
3169 st = av_new_stream(oc, oc->nb_streams);
3170 if (!st) {
3171 fprintf(stderr, "Could not alloc stream\n");
3172 av_exit(1);
3173 }
3174 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3175
3176 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3177 audio_bitstream_filters= NULL;
3178
3179 if(thread_count>1)
3180 avcodec_thread_init(st->codec, thread_count);
3181
3182 audio_enc = st->codec;
3183 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3184
3185 if(audio_codec_tag)
3186 audio_enc->codec_tag= audio_codec_tag;
3187
3188 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3189 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3190 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3191 }
3192 if (audio_stream_copy) {
3193 st->stream_copy = 1;
3194 audio_enc->channels = audio_channels;
3195 } else {