Remove some hunks of unused and disabled code cruft.
[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
832 av_init_packet(&pkt);
833 pkt.stream_index = ost->index;
834 pkt.data = subtitle_out;
835 pkt.size = subtitle_out_size;
836 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
837 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
838 /* XXX: the pts correction is handled here. Maybe handling
839 it in the codec would be better */
840 if (i == 0)
841 pkt.pts += 90 * sub->start_display_time;
842 else
843 pkt.pts += 90 * sub->end_display_time;
844 }
845 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
846 }
847 }
848
849 static int bit_buffer_size= 1024*256;
850 static uint8_t *bit_buffer= NULL;
851
852 static void do_video_out(AVFormatContext *s,
853 AVOutputStream *ost,
854 AVInputStream *ist,
855 AVFrame *in_picture,
856 int *frame_size)
857 {
858 int nb_frames, i, ret;
859 int64_t topBand, bottomBand, leftBand, rightBand;
860 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
861 AVFrame picture_crop_temp, picture_pad_temp;
862 AVCodecContext *enc, *dec;
863
864 avcodec_get_frame_defaults(&picture_crop_temp);
865 avcodec_get_frame_defaults(&picture_pad_temp);
866
867 enc = ost->st->codec;
868 dec = ist->st->codec;
869
870 /* by default, we output a single frame */
871 nb_frames = 1;
872
873 *frame_size = 0;
874
875 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
876 double vdelta;
877 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
878 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
879 if (vdelta < -1.1)
880 nb_frames = 0;
881 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
882 if(vdelta<=-0.6){
883 nb_frames=0;
884 }else if(vdelta>0.6)
885 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
886 }else if (vdelta > 1.1)
887 nb_frames = lrintf(vdelta);
888 //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);
889 if (nb_frames == 0){
890 ++nb_frames_drop;
891 if (verbose>2)
892 fprintf(stderr, "*** drop!\n");
893 }else if (nb_frames > 1) {
894 nb_frames_dup += nb_frames;
895 if (verbose>2)
896 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
897 }
898 }else
899 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
900
901 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
902 if (nb_frames <= 0)
903 return;
904
905 if (ost->video_crop) {
906 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
907 fprintf(stderr, "error cropping picture\n");
908 if (exit_on_error)
909 av_exit(1);
910 return;
911 }
912 formatted_picture = &picture_crop_temp;
913 } else {
914 formatted_picture = in_picture;
915 }
916
917 final_picture = formatted_picture;
918 padding_src = formatted_picture;
919 resampling_dst = &ost->pict_tmp;
920 if (ost->video_pad) {
921 final_picture = &ost->pict_tmp;
922 if (ost->video_resample) {
923 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
924 fprintf(stderr, "error padding picture\n");
925 if (exit_on_error)
926 av_exit(1);
927 return;
928 }
929 resampling_dst = &picture_pad_temp;
930 }
931 }
932
933 if (ost->video_resample) {
934 padding_src = NULL;
935 final_picture = &ost->pict_tmp;
936 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
937 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
938 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
939
940 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));
941 /* keep bands proportional to the frame size */
942 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
943 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
944 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
945 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
946
947 /* sanity check to ensure no bad band sizes sneak in */
948 assert(topBand <= INT_MAX && topBand >= 0);
949 assert(bottomBand <= INT_MAX && bottomBand >= 0);
950 assert(leftBand <= INT_MAX && leftBand >= 0);
951 assert(rightBand <= INT_MAX && rightBand >= 0);
952
953 ost->topBand = topBand;
954 ost->bottomBand = bottomBand;
955 ost->leftBand = leftBand;
956 ost->rightBand = rightBand;
957
958 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
959 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
960 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
961
962 /* initialize a new scaler context */
963 sws_freeContext(ost->img_resample_ctx);
964 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
965 ost->img_resample_ctx = sws_getContext(
966 ist->st->codec->width - (ost->leftBand + ost->rightBand),
967 ist->st->codec->height - (ost->topBand + ost->bottomBand),
968 ist->st->codec->pix_fmt,
969 ost->st->codec->width - (ost->padleft + ost->padright),
970 ost->st->codec->height - (ost->padtop + ost->padbottom),
971 ost->st->codec->pix_fmt,
972 sws_flags, NULL, NULL, NULL);
973 if (ost->img_resample_ctx == NULL) {
974 fprintf(stderr, "Cannot get resampling context\n");
975 av_exit(1);
976 }
977 }
978 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
979 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
980 }
981
982 if (ost->video_pad) {
983 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
984 enc->height, enc->width, enc->pix_fmt,
985 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
986 }
987
988 /* duplicates frame if needed */
989 for(i=0;i<nb_frames;i++) {
990 AVPacket pkt;
991 av_init_packet(&pkt);
992 pkt.stream_index= ost->index;
993
994 if (s->oformat->flags & AVFMT_RAWPICTURE) {
995 /* raw pictures are written as AVPicture structure to
996 avoid any copies. We support temorarily the older
997 method. */
998 AVFrame* old_frame = enc->coded_frame;
999 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1000 pkt.data= (uint8_t *)final_picture;
1001 pkt.size= sizeof(AVPicture);
1002 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1003 pkt.flags |= PKT_FLAG_KEY;
1004
1005 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1006 enc->coded_frame = old_frame;
1007 } else {
1008 AVFrame big_picture;
1009
1010 big_picture= *final_picture;
1011 /* better than nothing: use input picture interlaced
1012 settings */
1013 big_picture.interlaced_frame = in_picture->interlaced_frame;
1014 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1015 if(top_field_first == -1)
1016 big_picture.top_field_first = in_picture->top_field_first;
1017 else
1018 big_picture.top_field_first = top_field_first;
1019 }
1020
1021 /* handles sameq here. This is not correct because it may
1022 not be a global option */
1023 if (same_quality) {
1024 big_picture.quality = ist->st->quality;
1025 }else
1026 big_picture.quality = ost->st->quality;
1027 if(!me_threshold)
1028 big_picture.pict_type = 0;
1029 // big_picture.pts = AV_NOPTS_VALUE;
1030 big_picture.pts= ost->sync_opts;
1031 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1032 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1033 ret = avcodec_encode_video(enc,
1034 bit_buffer, bit_buffer_size,
1035 &big_picture);
1036 if (ret < 0) {
1037 fprintf(stderr, "Video encoding failed\n");
1038 av_exit(1);
1039 }
1040
1041 if(ret>0){
1042 pkt.data= bit_buffer;
1043 pkt.size= ret;
1044 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1045 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1046 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1047 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1048 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1049
1050 if(enc->coded_frame->key_frame)
1051 pkt.flags |= PKT_FLAG_KEY;
1052 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1053 *frame_size = ret;
1054 video_size += ret;
1055 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1056 // enc->frame_number-1, ret, enc->pict_type);
1057 /* if two pass, output log */
1058 if (ost->logfile && enc->stats_out) {
1059 fprintf(ost->logfile, "%s", enc->stats_out);
1060 }
1061 }
1062 }
1063 ost->sync_opts++;
1064 ost->frame_number++;
1065 }
1066 }
1067
1068 static double psnr(double d){
1069 return -10.0*log(d)/log(10.0);
1070 }
1071
1072 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1073 int frame_size)
1074 {
1075 AVCodecContext *enc;
1076 int frame_number;
1077 double ti1, bitrate, avg_bitrate;
1078
1079 /* this is executed just the first time do_video_stats is called */
1080 if (!vstats_file) {
1081 vstats_file = fopen(vstats_filename, "w");
1082 if (!vstats_file) {
1083 perror("fopen");
1084 av_exit(1);
1085 }
1086 }
1087
1088 enc = ost->st->codec;
1089 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1090 frame_number = ost->frame_number;
1091 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1092 if (enc->flags&CODEC_FLAG_PSNR)
1093 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1094
1095 fprintf(vstats_file,"f_size= %6d ", frame_size);
1096 /* compute pts value */
1097 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1098 if (ti1 < 0.01)
1099 ti1 = 0.01;
1100
1101 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1102 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1103 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1104 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1105 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1106 }
1107 }
1108
1109 static void print_report(AVFormatContext **output_files,
1110 AVOutputStream **ost_table, int nb_ostreams,
1111 int is_last_report)
1112 {
1113 char buf[1024];
1114 AVOutputStream *ost;
1115 AVFormatContext *oc;
1116 int64_t total_size;
1117 AVCodecContext *enc;
1118 int frame_number, vid, i;
1119 double bitrate, ti1, pts;
1120 static int64_t last_time = -1;
1121 static int qp_histogram[52];
1122
1123 if (!is_last_report) {
1124 int64_t cur_time;
1125 /* display the report every 0.5 seconds */
1126 cur_time = av_gettime();
1127 if (last_time == -1) {
1128 last_time = cur_time;
1129 return;
1130 }
1131 if ((cur_time - last_time) < 500000)
1132 return;
1133 last_time = cur_time;
1134 }
1135
1136
1137 oc = output_files[0];
1138
1139 total_size = url_fsize(oc->pb);
1140 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1141 total_size= url_ftell(oc->pb);
1142
1143 buf[0] = '\0';
1144 ti1 = 1e10;
1145 vid = 0;
1146 for(i=0;i<nb_ostreams;i++) {
1147 ost = ost_table[i];
1148 enc = ost->st->codec;
1149 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1151 !ost->st->stream_copy ?
1152 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1153 }
1154 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1155 float t = (av_gettime()-timer_start) / 1000000.0;
1156
1157 frame_number = ost->frame_number;
1158 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1159 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1160 !ost->st->stream_copy ?
1161 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1162 if(is_last_report)
1163 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1164 if(qp_hist){
1165 int j;
1166 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1167 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1168 qp_histogram[qp]++;
1169 for(j=0; j<32; j++)
1170 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1171 }
1172 if (enc->flags&CODEC_FLAG_PSNR){
1173 int j;
1174 double error, error_sum=0;
1175 double scale, scale_sum=0;
1176 char type[3]= {'Y','U','V'};
1177 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1178 for(j=0; j<3; j++){
1179 if(is_last_report){
1180 error= enc->error[j];
1181 scale= enc->width*enc->height*255.0*255.0*frame_number;
1182 }else{
1183 error= enc->coded_frame->error[j];
1184 scale= enc->width*enc->height*255.0*255.0;
1185 }
1186 if(j) scale/=4;
1187 error_sum += error;
1188 scale_sum += scale;
1189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1190 }
1191 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1192 }
1193 vid = 1;
1194 }
1195 /* compute min output value */
1196 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1197 if ((pts < ti1) && (pts > 0))
1198 ti1 = pts;
1199 }
1200 if (ti1 < 0.01)
1201 ti1 = 0.01;
1202
1203 if (verbose || is_last_report) {
1204 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1205
1206 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1207 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1208 (double)total_size / 1024, ti1, bitrate);
1209
1210 if (verbose > 1)
1211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1212 nb_frames_dup, nb_frames_drop);
1213
1214 if (verbose >= 0)
1215 fprintf(stderr, "%s \r", buf);
1216
1217 fflush(stderr);
1218 }
1219
1220 if (is_last_report && verbose >= 0){
1221 int64_t raw= audio_size + video_size + extra_size;
1222 fprintf(stderr, "\n");
1223 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1224 video_size/1024.0,
1225 audio_size/1024.0,
1226 extra_size/1024.0,
1227 100.0*(total_size - raw)/raw
1228 );
1229 }
1230 }
1231
1232 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1233 static int output_packet(AVInputStream *ist, int ist_index,
1234 AVOutputStream **ost_table, int nb_ostreams,
1235 const AVPacket *pkt)
1236 {
1237 AVFormatContext *os;
1238 AVOutputStream *ost;
1239 int ret, i;
1240 uint8_t *data_buf;
1241 int data_size, got_picture;
1242 AVFrame picture;
1243 void *buffer_to_free;
1244 static unsigned int samples_size= 0;
1245 AVSubtitle subtitle, *subtitle_to_free;
1246 int got_subtitle;
1247 AVPacket avpkt;
1248
1249 if(ist->next_pts == AV_NOPTS_VALUE)
1250 ist->next_pts= ist->pts;
1251
1252 if (pkt == NULL) {
1253 /* EOF handling */
1254 av_init_packet(&avpkt);
1255 avpkt.data = NULL;
1256 avpkt.size = 0;
1257 goto handle_eof;
1258 } else {
1259 avpkt = *pkt;
1260 }
1261
1262 if(pkt->dts != AV_NOPTS_VALUE)
1263 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1264
1265 //while we have more to decode or while the decoder did output something on EOF
1266 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1267 handle_eof:
1268 ist->pts= ist->next_pts;
1269
1270 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1271 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1272
1273 /* decode the packet if needed */
1274 data_buf = NULL; /* fail safe */
1275 data_size = 0;
1276 subtitle_to_free = NULL;
1277 if (ist->decoding_needed) {
1278 switch(ist->st->codec->codec_type) {
1279 case CODEC_TYPE_AUDIO:{
1280 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1281 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1282 av_free(samples);
1283 samples= av_malloc(samples_size);
1284 }
1285 data_size= samples_size;
1286 /* XXX: could avoid copy if PCM 16 bits with same
1287 endianness as CPU */
1288 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1289 &avpkt);
1290 if (ret < 0)
1291 goto fail_decode;
1292 avpkt.data += ret;
1293 avpkt.size -= ret;
1294 /* Some bug in mpeg audio decoder gives */
1295 /* data_size < 0, it seems they are overflows */
1296 if (data_size <= 0) {
1297 /* no audio frame */
1298 continue;
1299 }
1300 data_buf = (uint8_t *)samples;
1301 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1302 (ist->st->codec->sample_rate * ist->st->codec->channels);
1303 break;}
1304 case CODEC_TYPE_VIDEO:
1305 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1306 /* XXX: allocate picture correctly */
1307 avcodec_get_frame_defaults(&picture);
1308
1309 ret = avcodec_decode_video2(ist->st->codec,
1310 &picture, &got_picture, &avpkt);
1311 ist->st->quality= picture.quality;
1312 if (ret < 0)
1313 goto fail_decode;
1314 if (!got_picture) {
1315 /* no picture yet */
1316 goto discard_packet;
1317 }
1318 if (ist->st->codec->time_base.num != 0) {
1319 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1320 ist->next_pts += ((int64_t)AV_TIME_BASE *
1321 ist->st->codec->time_base.num * ticks) /
1322 ist->st->codec->time_base.den;
1323 }
1324 avpkt.size = 0;
1325 break;
1326 case CODEC_TYPE_SUBTITLE:
1327 ret = avcodec_decode_subtitle2(ist->st->codec,
1328 &subtitle, &got_subtitle, &avpkt);
1329 if (ret < 0)
1330 goto fail_decode;
1331 if (!got_subtitle) {
1332 goto discard_packet;
1333 }
1334 subtitle_to_free = &subtitle;
1335 avpkt.size = 0;
1336 break;
1337 default:
1338 goto fail_decode;
1339 }
1340 } else {
1341 switch(ist->st->codec->codec_type) {
1342 case CODEC_TYPE_AUDIO:
1343 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1344 ist->st->codec->sample_rate;
1345 break;
1346 case CODEC_TYPE_VIDEO:
1347 if (ist->st->codec->time_base.num != 0) {
1348 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1349 ist->next_pts += ((int64_t)AV_TIME_BASE *
1350 ist->st->codec->time_base.num * ticks) /
1351 ist->st->codec->time_base.den;
1352 }
1353 break;
1354 }
1355 data_buf = avpkt.data;
1356 data_size = avpkt.size;
1357 ret = avpkt.size;
1358 avpkt.size = 0;
1359 }
1360
1361 buffer_to_free = NULL;
1362 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1363 pre_process_video_frame(ist, (AVPicture *)&picture,
1364 &buffer_to_free);
1365 }
1366
1367 // preprocess audio (volume)
1368 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1369 if (audio_volume != 256) {
1370 short *volp;
1371 volp = samples;
1372 for(i=0;i<(data_size / sizeof(short));i++) {
1373 int v = ((*volp) * audio_volume + 128) >> 8;
1374 if (v < -32768) v = -32768;
1375 if (v > 32767) v = 32767;
1376 *volp++ = v;
1377 }
1378 }
1379 }
1380
1381 /* frame rate emulation */
1382 if (rate_emu) {
1383 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1384 int64_t now = av_gettime() - ist->start;
1385 if (pts > now)
1386 usleep(pts - now);
1387 }
1388
1389 /* if output time reached then transcode raw format,
1390 encode packets and output them */
1391 if (start_time == 0 || ist->pts >= start_time)
1392 for(i=0;i<nb_ostreams;i++) {
1393 int frame_size;
1394
1395 ost = ost_table[i];
1396 if (ost->source_index == ist_index) {
1397 os = output_files[ost->file_index];
1398
1399 /* set the input output pts pairs */
1400 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1401
1402 if (ost->encoding_needed) {
1403 switch(ost->st->codec->codec_type) {
1404 case CODEC_TYPE_AUDIO:
1405 do_audio_out(os, ost, ist, data_buf, data_size);
1406 break;
1407 case CODEC_TYPE_VIDEO:
1408 do_video_out(os, ost, ist, &picture, &frame_size);
1409 if (vstats_filename && frame_size)
1410 do_video_stats(os, ost, frame_size);
1411 break;
1412 case CODEC_TYPE_SUBTITLE:
1413 do_subtitle_out(os, ost, ist, &subtitle,
1414 pkt->pts);
1415 break;
1416 default:
1417 abort();
1418 }
1419 } else {
1420 AVFrame avframe; //FIXME/XXX remove this
1421 AVPacket opkt;
1422 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1423
1424 av_init_packet(&opkt);
1425
1426 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1427 continue;
1428
1429 /* no reencoding needed : output the packet directly */
1430 /* force the input stream PTS */
1431
1432 avcodec_get_frame_defaults(&avframe);
1433 ost->st->codec->coded_frame= &avframe;
1434 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1435
1436 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1437 audio_size += data_size;
1438 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1439 video_size += data_size;
1440 ost->sync_opts++;
1441 }
1442
1443 opkt.stream_index= ost->index;
1444 if(pkt->pts != AV_NOPTS_VALUE)
1445 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1446 else
1447 opkt.pts= AV_NOPTS_VALUE;
1448
1449 if (pkt->dts == AV_NOPTS_VALUE)
1450 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1451 else
1452 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1453 opkt.dts -= ost_tb_start_time;
1454
1455 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1456 opkt.flags= pkt->flags;
1457
1458 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1459 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1460 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1461 opkt.destruct= av_destruct_packet;
1462 } else {
1463 opkt.data = data_buf;
1464 opkt.size = data_size;
1465 }
1466
1467 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1468 ost->st->codec->frame_number++;
1469 ost->frame_number++;
1470 av_free_packet(&opkt);
1471 }
1472 }
1473 }
1474 av_free(buffer_to_free);
1475 /* XXX: allocate the subtitles in the codec ? */
1476 if (subtitle_to_free) {
1477 if (subtitle_to_free->rects != NULL) {
1478 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1479 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1480 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1481 av_freep(&subtitle_to_free->rects[i]);
1482 }
1483 av_freep(&subtitle_to_free->rects);
1484 }
1485 subtitle_to_free->num_rects = 0;
1486 subtitle_to_free = NULL;
1487 }
1488 }
1489 discard_packet:
1490 if (pkt == NULL) {
1491 /* EOF handling */
1492
1493 for(i=0;i<nb_ostreams;i++) {
1494 ost = ost_table[i];
1495 if (ost->source_index == ist_index) {
1496 AVCodecContext *enc= ost->st->codec;
1497 os = output_files[ost->file_index];
1498
1499 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1500 continue;
1501 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1502 continue;
1503
1504 if (ost->encoding_needed) {
1505 for(;;) {
1506 AVPacket pkt;
1507 int fifo_bytes;
1508 av_init_packet(&pkt);
1509 pkt.stream_index= ost->index;
1510
1511 switch(ost->st->codec->codec_type) {
1512 case CODEC_TYPE_AUDIO:
1513 fifo_bytes = av_fifo_size(ost->fifo);
1514 ret = 0;
1515 /* encode any samples remaining in fifo */
1516 if (fifo_bytes > 0) {
1517 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1518 int fs_tmp = enc->frame_size;
1519
1520 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1521 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1522 enc->frame_size = fifo_bytes / (osize * enc->channels);
1523 } else { /* pad */
1524 int frame_bytes = enc->frame_size*osize*enc->channels;
1525 if (samples_size < frame_bytes)
1526 av_exit(1);
1527 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1528 }
1529
1530 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1531 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1532 ost->st->time_base.num, enc->sample_rate);
1533 enc->frame_size = fs_tmp;
1534 }
1535 if(ret <= 0) {
1536 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1537 }
1538 if (ret < 0) {
1539 fprintf(stderr, "Audio encoding failed\n");
1540 av_exit(1);
1541 }
1542 audio_size += ret;
1543 pkt.flags |= PKT_FLAG_KEY;
1544 break;
1545 case CODEC_TYPE_VIDEO:
1546 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1547 if (ret < 0) {
1548 fprintf(stderr, "Video encoding failed\n");
1549 av_exit(1);
1550 }
1551 video_size += ret;
1552 if(enc->coded_frame && enc->coded_frame->key_frame)
1553 pkt.flags |= PKT_FLAG_KEY;
1554 if (ost->logfile && enc->stats_out) {
1555 fprintf(ost->logfile, "%s", enc->stats_out);
1556 }
1557 break;
1558 default:
1559 ret=-1;
1560 }
1561
1562 if(ret<=0)
1563 break;
1564 pkt.data= bit_buffer;
1565 pkt.size= ret;
1566 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1567 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1568 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1569 }
1570 }
1571 }
1572 }
1573 }
1574
1575 return 0;
1576 fail_decode:
1577 return -1;
1578 }
1579
1580 static void print_sdp(AVFormatContext **avc, int n)
1581 {
1582 char sdp[2048];
1583
1584 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1585 printf("SDP:\n%s\n", sdp);
1586 fflush(stdout);
1587 }
1588
1589 static int stream_index_from_inputs(AVFormatContext **input_files,
1590 int nb_input_files,
1591 AVInputFile *file_table,
1592 AVInputStream **ist_table,
1593 enum CodecType type,
1594 int programid)
1595 {
1596 int p, q, z;
1597 for(z=0; z<nb_input_files; z++) {
1598 AVFormatContext *ic = input_files[z];
1599 for(p=0; p<ic->nb_programs; p++) {
1600 AVProgram *program = ic->programs[p];
1601 if(program->id != programid)
1602 continue;
1603 for(q=0; q<program->nb_stream_indexes; q++) {
1604 int sidx = program->stream_index[q];
1605 int ris = file_table[z].ist_index + sidx;
1606 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1607 return ris;
1608 }
1609 }
1610 }
1611
1612 return -1;
1613 }
1614
1615 /*
1616 * The following code is the main loop of the file converter
1617 */
1618 static int av_encode(AVFormatContext **output_files,
1619 int nb_output_files,
1620 AVFormatContext **input_files,
1621 int nb_input_files,
1622 AVStreamMap *stream_maps, int nb_stream_maps)
1623 {
1624 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1625 AVFormatContext *is, *os;
1626 AVCodecContext *codec, *icodec;
1627 AVOutputStream *ost, **ost_table = NULL;
1628 AVInputStream *ist, **ist_table = NULL;
1629 AVInputFile *file_table;
1630 char error[1024];
1631 int key;
1632 int want_sdp = 1;
1633 uint8_t no_packet[MAX_FILES]={0};
1634 int no_packet_count=0;
1635
1636 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1637 if (!file_table)
1638 goto fail;
1639
1640 /* input stream init */
1641 j = 0;
1642 for(i=0;i<nb_input_files;i++) {
1643 is = input_files[i];
1644 file_table[i].ist_index = j;
1645 file_table[i].nb_streams = is->nb_streams;
1646 j += is->nb_streams;
1647 }
1648 nb_istreams = j;
1649
1650 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1651 if (!ist_table)
1652 goto fail;
1653
1654 for(i=0;i<nb_istreams;i++) {
1655 ist = av_mallocz(sizeof(AVInputStream));
1656 if (!ist)
1657 goto fail;
1658 ist_table[i] = ist;
1659 }
1660 j = 0;
1661 for(i=0;i<nb_input_files;i++) {
1662 is = input_files[i];
1663 for(k=0;k<is->nb_streams;k++) {
1664 ist = ist_table[j++];
1665 ist->st = is->streams[k];
1666 ist->file_index = i;
1667 ist->index = k;
1668 ist->discard = 1; /* the stream is discarded by default
1669 (changed later) */
1670
1671 if (rate_emu) {
1672 ist->start = av_gettime();
1673 }
1674 }
1675 }
1676
1677 /* output stream init */
1678 nb_ostreams = 0;
1679 for(i=0;i<nb_output_files;i++) {
1680 os = output_files[i];
1681 if (!os->nb_streams) {
1682 dump_format(output_files[i], i, output_files[i]->filename, 1);
1683 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1684 av_exit(1);
1685 }
1686 nb_ostreams += os->nb_streams;
1687 }
1688 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1689 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1690 av_exit(1);
1691 }
1692
1693 /* Sanity check the mapping args -- do the input files & streams exist? */
1694 for(i=0;i<nb_stream_maps;i++) {
1695 int fi = stream_maps[i].file_index;
1696 int si = stream_maps[i].stream_index;
1697
1698 if (fi < 0 || fi > nb_input_files - 1 ||
1699 si < 0 || si > file_table[fi].nb_streams - 1) {
1700 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1701 av_exit(1);
1702 }
1703 fi = stream_maps[i].sync_file_index;
1704 si = stream_maps[i].sync_stream_index;
1705 if (fi < 0 || fi > nb_input_files - 1 ||
1706 si < 0 || si > file_table[fi].nb_streams - 1) {
1707 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1708 av_exit(1);
1709 }
1710 }
1711
1712 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1713 if (!ost_table)
1714 goto fail;
1715 for(i=0;i<nb_ostreams;i++) {
1716 ost = av_mallocz(sizeof(AVOutputStream));
1717 if (!ost)
1718 goto fail;
1719 ost_table[i] = ost;
1720 }
1721
1722 n = 0;
1723 for(k=0;k<nb_output_files;k++) {
1724 os = output_files[k];
1725 for(i=0;i<os->nb_streams;i++,n++) {
1726 int found;
1727 ost = ost_table[n];
1728 ost->file_index = k;
1729 ost->index = i;
1730 ost->st = os->streams[i];
1731 if (nb_stream_maps > 0) {
1732 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1733 stream_maps[n].stream_index;
1734
1735 /* Sanity check that the stream types match */
1736 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1737 int i= ost->file_index;
1738 dump_format(output_files[i], i, output_files[i]->filename, 1);
1739 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1740 stream_maps[n].file_index, stream_maps[n].stream_index,
1741 ost->file_index, ost->index);
1742 av_exit(1);
1743 }
1744
1745 } else {
1746 if(opt_programid) {
1747 found = 0;
1748 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1749 if(j != -1) {
1750 ost->source_index = j;
1751 found = 1;
1752 }
1753 } else {
1754 /* get corresponding input stream index : we select the first one with the right type */
1755 found = 0;
1756 for(j=0;j<nb_istreams;j++) {
1757 ist = ist_table[j];
1758 if (ist->discard &&
1759 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1760 ost->source_index = j;
1761 found = 1;
1762 break;
1763 }
1764 }
1765 }
1766
1767 if (!found) {
1768 if(! opt_programid) {
1769 /* try again and reuse existing stream */
1770 for(j=0;j<nb_istreams;j++) {
1771 ist = ist_table[j];
1772 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1773 ost->source_index = j;
1774 found = 1;
1775 }
1776 }
1777 }
1778 if (!found) {
1779 int i= ost->file_index;
1780 dump_format(output_files[i], i, output_files[i]->filename, 1);
1781 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1782 ost->file_index, ost->index);
1783 av_exit(1);
1784 }
1785 }
1786 }
1787 ist = ist_table[ost->source_index];
1788 ist->discard = 0;
1789 ost->sync_ist = (nb_stream_maps > 0) ?
1790 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1791 stream_maps[n].sync_stream_index] : ist;
1792 }
1793 }
1794
1795 /* for each output stream, we compute the right encoding parameters */
1796 for(i=0;i<nb_ostreams;i++) {
1797 AVMetadataTag *lang;
1798 ost = ost_table[i];
1799 os = output_files[ost->file_index];
1800 ist = ist_table[ost->source_index];
1801
1802 codec = ost->st->codec;
1803 icodec = ist->st->codec;
1804
1805 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1806 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1807 av_metadata_set(&ost->st->metadata, "language", lang->value);
1808
1809 ost->st->disposition = ist->st->disposition;
1810 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1811 codec->chroma_sample_location = icodec->chroma_sample_location;
1812
1813 if (ost->st->stream_copy) {
1814 /* if stream_copy is selected, no need to decode or encode */
1815 codec->codec_id = icodec->codec_id;
1816 codec->codec_type = icodec->codec_type;
1817
1818 if(!codec->codec_tag){
1819 if( !os->oformat->codec_tag
1820 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1821 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1822 codec->codec_tag = icodec->codec_tag;
1823 }
1824
1825 codec->bit_rate = icodec->bit_rate;
1826 codec->extradata= icodec->extradata;
1827 codec->extradata_size= icodec->extradata_size;
1828 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){
1829 codec->time_base = icodec->time_base;
1830 codec->time_base.num *= icodec->ticks_per_frame;
1831 }else
1832 codec->time_base = ist->st->time_base;
1833 switch(codec->codec_type) {
1834 case CODEC_TYPE_AUDIO:
1835 if(audio_volume != 256) {
1836 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1837 av_exit(1);
1838 }
1839 codec->channel_layout = icodec->channel_layout;
1840 codec->sample_rate = icodec->sample_rate;
1841 codec->channels = icodec->channels;
1842 codec->frame_size = icodec->frame_size;
1843 codec->block_align= icodec->block_align;
1844 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1845 codec->block_align= 0;
1846 if(codec->codec_id == CODEC_ID_AC3)
1847 codec->block_align= 0;
1848 break;
1849 case CODEC_TYPE_VIDEO:
1850 codec->pix_fmt = icodec->pix_fmt;
1851 codec->width = icodec->width;
1852 codec->height = icodec->height;
1853 codec->has_b_frames = icodec->has_b_frames;
1854 break;
1855 case CODEC_TYPE_SUBTITLE:
1856 codec->width = icodec->width;
1857 codec->height = icodec->height;
1858 break;
1859 default:
1860 abort();
1861 }
1862 } else {
1863 switch(codec->codec_type) {
1864 case CODEC_TYPE_AUDIO:
1865 ost->fifo= av_fifo_alloc(1024);
1866 if(!ost->fifo)
1867 goto fail;
1868 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1869 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1870 icodec->request_channels = codec->channels;
1871 ist->decoding_needed = 1;
1872 ost->encoding_needed = 1;
1873 break;
1874 case CODEC_TYPE_VIDEO:
1875 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1876 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1877 av_exit(1);
1878 }
1879 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1880 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1881 ost->video_resample = ((codec->width != icodec->width -
1882 (frame_leftBand + frame_rightBand) +
1883 (frame_padleft + frame_padright)) ||
1884 (codec->height != icodec->height -
1885 (frame_topBand + frame_bottomBand) +
1886 (frame_padtop + frame_padbottom)) ||
1887 (codec->pix_fmt != icodec->pix_fmt));
1888 if (ost->video_crop) {
1889 ost->topBand = ost->original_topBand = frame_topBand;
1890 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1891 ost->leftBand = ost->original_leftBand = frame_leftBand;
1892 ost->rightBand = ost->original_rightBand = frame_rightBand;
1893 }
1894 if (ost->video_pad) {
1895 ost->padtop = frame_padtop;
1896 ost->padleft = frame_padleft;
1897 ost->padbottom = frame_padbottom;
1898 ost->padright = frame_padright;
1899 if (!ost->video_resample) {
1900 avcodec_get_frame_defaults(&ost->pict_tmp);
1901 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1902 codec->width, codec->height))
1903 goto fail;
1904 }
1905 }
1906 if (ost->video_resample) {
1907 avcodec_get_frame_defaults(&ost->pict_tmp);
1908 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1909 codec->width, codec->height)) {
1910 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1911 av_exit(1);
1912 }
1913 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1914 ost->img_resample_ctx = sws_getContext(
1915 icodec->width - (frame_leftBand + frame_rightBand),
1916 icodec->height - (frame_topBand + frame_bottomBand),
1917 icodec->pix_fmt,
1918 codec->width - (frame_padleft + frame_padright),
1919 codec->height - (frame_padtop + frame_padbottom),
1920 codec->pix_fmt,
1921 sws_flags, NULL, NULL, NULL);
1922 if (ost->img_resample_ctx == NULL) {
1923 fprintf(stderr, "Cannot get resampling context\n");
1924 av_exit(1);
1925 }
1926
1927 ost->original_height = icodec->height;
1928 ost->original_width = icodec->width;
1929
1930 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1931 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1932 ost->resample_pix_fmt= icodec->pix_fmt;
1933 codec->bits_per_raw_sample= 0;
1934 }
1935 ost->encoding_needed = 1;
1936 ist->decoding_needed = 1;
1937 break;
1938 case CODEC_TYPE_SUBTITLE:
1939 ost->encoding_needed = 1;
1940 ist->decoding_needed = 1;
1941 break;
1942 default:
1943 abort();
1944 break;
1945 }
1946 /* two pass mode */
1947 if (ost->encoding_needed &&
1948 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1949 char logfilename[1024];
1950 FILE *f;
1951 int size;
1952 char *logbuffer;
1953
1954 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1955 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1956 i);
1957 if (codec->flags & CODEC_FLAG_PASS1) {
1958 f = fopen(logfilename, "w");
1959 if (!f) {
1960 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1961 av_exit(1);
1962 }
1963 ost->logfile = f;
1964 } else {
1965 /* read the log file */
1966 f = fopen(logfilename, "r");
1967 if (!f) {
1968 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1969 av_exit(1);
1970 }
1971 fseek(f, 0, SEEK_END);
1972 size = ftell(f);
1973 fseek(f, 0, SEEK_SET);
1974 logbuffer = av_malloc(size + 1);
1975 if (!logbuffer) {
1976 fprintf(stderr, "Could not allocate log buffer\n");
1977 av_exit(1);
1978 }
1979 size = fread(logbuffer, 1, size, f);
1980 fclose(f);
1981 logbuffer[size] = '\0';
1982 codec->stats_in = logbuffer;
1983 }
1984 }
1985 }
1986 if(codec->codec_type == CODEC_TYPE_VIDEO){
1987 int size= codec->width * codec->height;
1988 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1989 }
1990 }
1991
1992 if (!bit_buffer)
1993 bit_buffer = av_malloc(bit_buffer_size);
1994 if (!bit_buffer) {
1995 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
1996 bit_buffer_size);
1997 ret = AVERROR(ENOMEM);
1998 goto fail;
1999 }
2000
2001 /* open each encoder */
2002 for(i=0;i<nb_ostreams;i++) {
2003 ost = ost_table[i];
2004 if (ost->encoding_needed) {
2005 AVCodec *codec = output_codecs[i];
2006 if (!codec)
2007 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2008 if (!codec) {
2009 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2010 ost->st->codec->codec_id, ost->file_index, ost->index);
2011 ret = AVERROR(EINVAL);
2012 goto dump_format;
2013 }
2014 if (avcodec_open(ost->st->codec, codec) < 0) {
2015 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2016 ost->file_index, ost->index);
2017 ret = AVERROR(EINVAL);
2018 goto dump_format;
2019 }
2020 extra_size += ost->st->codec->extradata_size;
2021 }
2022 }
2023
2024 /* open each decoder */
2025 for(i=0;i<nb_istreams;i++) {
2026 ist = ist_table[i];
2027 if (ist->decoding_needed) {
2028 AVCodec *codec = input_codecs[i];
2029 if (!codec)
2030 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2031 if (!codec) {
2032 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2033 ist->st->codec->codec_id, ist->file_index, ist->index);
2034 ret = AVERROR(EINVAL);
2035 goto dump_format;
2036 }
2037 if (avcodec_open(ist->st->codec, codec) < 0) {
2038 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2039 ist->file_index, ist->index);
2040 ret = AVERROR(EINVAL);
2041 goto dump_format;
2042 }
2043 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2044 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2045 }
2046 }
2047
2048 /* init pts */
2049 for(i=0;i<nb_istreams;i++) {
2050 ist = ist_table[i];
2051 ist->pts = 0;
2052 ist->next_pts = AV_NOPTS_VALUE;
2053 ist->is_start = 1;
2054 }
2055
2056 /* set meta data information from input file if required */
2057 for (i=0;i<nb_meta_data_maps;i++) {
2058 AVFormatContext *out_file;
2059 AVFormatContext *in_file;
2060 AVMetadataTag *mtag;
2061
2062 int out_file_index = meta_data_maps[i].out_file;
2063 int in_file_index = meta_data_maps[i].in_file;
2064 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2065 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2066 out_file_index, out_file_index, in_file_index);
2067 ret = AVERROR(EINVAL);
2068 goto dump_format;
2069 }
2070 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2071 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2072 in_file_index, out_file_index, in_file_index);
2073 ret = AVERROR(EINVAL);
2074 goto dump_format;
2075 }
2076
2077 out_file = output_files[out_file_index];
2078 in_file = input_files[in_file_index];
2079
2080
2081 mtag=NULL;
2082 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2083 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2084 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2085 in_file->iformat->metadata_conv);
2086 }
2087
2088 /* open files and write file headers */
2089 for(i=0;i<nb_output_files;i++) {
2090 os = output_files[i];
2091 if (av_write_header(os) < 0) {
2092 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2093 ret = AVERROR(EINVAL);
2094 goto dump_format;
2095 }
2096 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2097 want_sdp = 0;
2098 }
2099 }
2100
2101 dump_format:
2102 /* dump the file output parameters - cannot be done before in case
2103 of stream copy */
2104 for(i=0;i<nb_output_files;i++) {
2105 dump_format(output_files[i], i, output_files[i]->filename, 1);
2106 }
2107
2108 /* dump the stream mapping */
2109 if (verbose >= 0) {
2110 fprintf(stderr, "Stream mapping:\n");
2111 for(i=0;i<nb_ostreams;i++) {
2112 ost = ost_table[i];
2113 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2114 ist_table[ost->source_index]->file_index,
2115 ist_table[ost->source_index]->index,
2116 ost->file_index,
2117 ost->index);
2118 if (ost->sync_ist != ist_table[ost->source_index])
2119 fprintf(stderr, " [sync #%d.%d]",
2120 ost->sync_ist->file_index,
2121 ost->sync_ist->index);
2122 fprintf(stderr, "\n");
2123 }
2124 }
2125
2126 if (ret) {
2127 fprintf(stderr, "%s\n", error);
2128 goto fail;
2129 }
2130
2131 if (want_sdp) {
2132 print_sdp(output_files, nb_output_files);
2133 }
2134
2135 if (!using_stdin && verbose >= 0) {
2136 fprintf(stderr, "Press [q] to stop encoding\n");
2137 url_set_interrupt_cb(decode_interrupt_cb);
2138 }
2139 term_init();
2140
2141 timer_start = av_gettime();
2142
2143 for(; received_sigterm == 0;) {
2144 int file_index, ist_index;
2145 AVPacket pkt;
2146 double ipts_min;
2147 double opts_min;
2148
2149 redo:
2150 ipts_min= 1e100;
2151 opts_min= 1e100;
2152 /* if 'q' pressed, exits */
2153 if (!using_stdin) {
2154 if (q_pressed)
2155 break;
2156 /* read_key() returns 0 on EOF */
2157 key = read_key();
2158 if (key == 'q')
2159 break;
2160 }
2161
2162 /* select the stream that we must read now by looking at the
2163 smallest output pts */
2164 file_index = -1;
2165 for(i=0;i<nb_ostreams;i++) {
2166 double ipts, opts;
2167 ost = ost_table[i];
2168 os = output_files[ost->file_index];
2169 ist = ist_table[ost->source_index];
2170 if(no_packet[ist->file_index])
2171 continue;
2172 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2173 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2174 else
2175 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2176 ipts = (double)ist->pts;
2177 if (!file_table[ist->file_index].eof_reached){
2178 if(ipts < ipts_min) {
2179 ipts_min = ipts;
2180 if(input_sync ) file_index = ist->file_index;
2181 }
2182 if(opts < opts_min) {
2183 opts_min = opts;
2184 if(!input_sync) file_index = ist->file_index;
2185 }
2186 }
2187 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2188 file_index= -1;
2189 break;
2190 }
2191 }
2192 /* if none, if is finished */
2193 if (file_index < 0) {
2194 if(no_packet_count){
2195 no_packet_count=0;
2196 memset(no_packet, 0, sizeof(no_packet));
2197 usleep(10000);
2198 continue;
2199 }
2200 break;
2201 }
2202
2203 /* finish if recording time exhausted */
2204 if (opts_min >= (recording_time / 1000000.0))
2205 break;
2206
2207 /* finish if limit size exhausted */
2208 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2209 break;
2210
2211 /* read a frame from it and output it in the fifo */
2212 is = input_files[file_index];
2213 ret= av_read_frame(is, &pkt);
2214 if(ret == AVERROR(EAGAIN)){
2215 no_packet[file_index]=1;
2216 no_packet_count++;
2217 continue;
2218 }
2219 if (ret < 0) {
2220 file_table[file_index].eof_reached = 1;
2221 if (opt_shortest)
2222 break;
2223 else
2224 continue;
2225 }
2226
2227 no_packet_count=0;
2228 memset(no_packet, 0, sizeof(no_packet));
2229
2230 if (do_pkt_dump) {
2231 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2232 }
2233 /* the following test is needed in case new streams appear
2234 dynamically in stream : we ignore them */
2235 if (pkt.stream_index >= file_table[file_index].nb_streams)
2236 goto discard_packet;
2237 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2238 ist = ist_table[ist_index];
2239 if (ist->discard)
2240 goto discard_packet;
2241
2242 if (pkt.dts != AV_NOPTS_VALUE)
2243 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2244 if (pkt.pts != AV_NOPTS_VALUE)
2245 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2246
2247 if(input_files_ts_scale[file_index][pkt.stream_index]){
2248 if(pkt.pts != AV_NOPTS_VALUE)
2249 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2250 if(pkt.dts != AV_NOPTS_VALUE)
2251 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2252 }
2253
2254 // 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);
2255 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2256 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2257 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2258 int64_t delta= pkt_dts - ist->next_pts;
2259 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2260 input_files_ts_offset[ist->file_index]-= delta;
2261 if (verbose > 2)
2262 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2263 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2264 if(pkt.pts != AV_NOPTS_VALUE)
2265 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2266 }
2267 }
2268
2269 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2270 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2271
2272 if (verbose >= 0)
2273 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2274 ist->file_index, ist->index);
2275 if (exit_on_error)
2276 av_exit(1);
2277 av_free_packet(&pkt);
2278 goto redo;
2279 }
2280
2281 discard_packet:
2282 av_free_packet(&pkt);
2283
2284 /* dump report by using the output first video and audio streams */
2285 print_report(output_files, ost_table, nb_ostreams, 0);
2286 }
2287
2288 /* at the end of stream, we must flush the decoder buffers */
2289 for(i=0;i<nb_istreams;i++) {
2290 ist = ist_table[i];
2291 if (ist->decoding_needed) {
2292 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2293 }
2294 }
2295
2296 term_exit();
2297
2298 /* write the trailer if needed and close file */
2299 for(i=0;i<nb_output_files;i++) {
2300 os = output_files[i];
2301 av_write_trailer(os);
2302 }
2303
2304 /* dump report by using the first video and audio streams */
2305 print_report(output_files, ost_table, nb_ostreams, 1);
2306
2307 /* close each encoder */
2308 for(i=0;i<nb_ostreams;i++) {
2309 ost = ost_table[i];
2310 if (ost->encoding_needed) {
2311 av_freep(&ost->st->codec->stats_in);
2312 avcodec_close(ost->st->codec);
2313 }
2314 }
2315
2316 /* close each decoder */
2317 for(i=0;i<nb_istreams;i++) {
2318 ist = ist_table[i];
2319 if (ist->decoding_needed) {
2320 avcodec_close(ist->st->codec);
2321 }
2322 }
2323
2324 /* finished ! */
2325 ret = 0;
2326
2327 fail:
2328 av_freep(&bit_buffer);
2329 av_free(file_table);
2330
2331 if (ist_table) {
2332 for(i=0;i<nb_istreams;i++) {
2333 ist = ist_table[i];
2334 av_free(ist);
2335 }
2336 av_free(ist_table);
2337 }
2338 if (ost_table) {
2339 for(i=0;i<nb_ostreams;i++) {
2340 ost = ost_table[i];
2341 if (ost) {
2342 if (ost->logfile) {
2343 fclose(ost->logfile);
2344 ost->logfile = NULL;
2345 }
2346 av_fifo_free(ost->fifo); /* works even if fifo is not
2347 initialized but set to zero */
2348 av_free(ost->pict_tmp.data[0]);
2349 if (ost->video_resample)
2350 sws_freeContext(ost->img_resample_ctx);
2351 if (ost->resample)
2352 audio_resample_close(ost->resample);
2353 if (ost->reformat_ctx)
2354 av_audio_convert_free(ost->reformat_ctx);
2355 av_free(ost);
2356 }
2357 }
2358 av_free(ost_table);
2359 }
2360 return ret;
2361 }
2362
2363 static void opt_format(const char *arg)
2364 {
2365 /* compatibility stuff for pgmyuv */
2366 if (!strcmp(arg, "pgmyuv")) {
2367 pgmyuv_compatibility_hack=1;
2368 // opt_image_format(arg);
2369 arg = "image2";
2370 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2371 }
2372
2373 file_iformat = av_find_input_format(arg);
2374 file_oformat = guess_format(arg, NULL, NULL);
2375 if (!file_iformat && !file_oformat) {
2376 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2377 av_exit(1);
2378 }
2379 }
2380
2381 static void opt_video_rc_override_string(const char *arg)
2382 {
2383 video_rc_override_string = arg;
2384 }
2385
2386 static int opt_me_threshold(const char *opt, const char *arg)
2387 {
2388 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2389 return 0;
2390 }
2391
2392 static int opt_verbose(const char *opt, const char *arg)
2393 {
2394 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2395 return 0;
2396 }
2397
2398 static int opt_frame_rate(const char *opt, const char *arg)
2399 {
2400 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2401 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2402 av_exit(1);
2403 }
2404 return 0;
2405 }
2406
2407 static int opt_bitrate(const char *opt, const char *arg)
2408 {
2409 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2410
2411 opt_default(opt, arg);
2412
2413 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2414 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2415
2416 return 0;
2417 }
2418
2419 static void opt_frame_crop_top(const char *arg)
2420 {
2421 frame_topBand = atoi(arg);
2422 if (frame_topBand < 0) {
2423 fprintf(stderr, "Incorrect top crop size\n");
2424 av_exit(1);
2425 }
2426 if ((frame_topBand) >= frame_height){
2427 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2428 av_exit(1);
2429 }
2430 frame_height -= frame_topBand;
2431 }
2432
2433 static void opt_frame_crop_bottom(const char *arg)
2434 {
2435 frame_bottomBand = atoi(arg);
2436 if (frame_bottomBand < 0) {
2437 fprintf(stderr, "Incorrect bottom crop size\n");
2438 av_exit(1);
2439 }
2440 if ((frame_bottomBand) >= frame_height){
2441 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2442 av_exit(1);
2443 }
2444 frame_height -= frame_bottomBand;
2445 }
2446
2447 static void opt_frame_crop_left(const char *arg)
2448 {
2449 frame_leftBand = atoi(arg);
2450 if (frame_leftBand < 0) {
2451 fprintf(stderr, "Incorrect left crop size\n");
2452 av_exit(1);
2453 }
2454 if ((frame_leftBand) >= frame_width){
2455 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2456 av_exit(1);
2457 }
2458 frame_width -= frame_leftBand;
2459 }
2460
2461 static void opt_frame_crop_right(const char *arg)
2462 {
2463 frame_rightBand = atoi(arg);
2464 if (frame_rightBand < 0) {
2465 fprintf(stderr, "Incorrect right crop size\n");
2466 av_exit(1);
2467 }
2468 if ((frame_rightBand) >= frame_width){
2469 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2470 av_exit(1);
2471 }
2472 frame_width -= frame_rightBand;
2473 }
2474
2475 static void opt_frame_size(const char *arg)
2476 {
2477 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2478 fprintf(stderr, "Incorrect frame size\n");
2479 av_exit(1);
2480 }
2481 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2482 fprintf(stderr, "Frame size must be a multiple of 2\n");
2483 av_exit(1);
2484 }
2485 }
2486
2487 static void opt_pad_color(const char *arg) {
2488 /* Input is expected to be six hex digits similar to
2489 how colors are expressed in html tags (but without the #) */
2490 int rgb = strtol(arg, NULL, 16);
2491 int r,g,b;
2492
2493 r = (rgb >> 16);
2494 g = ((rgb >> 8) & 255);
2495 b = (rgb & 255);
2496
2497 padcolor[0] = RGB_TO_Y(r,g,b);
2498 padcolor[1] = RGB_TO_U(r,g,b,0);
2499 padcolor[2] = RGB_TO_V(r,g,b,0);
2500 }
2501
2502 static void opt_frame_pad_top(const char *arg)
2503 {
2504 frame_padtop = atoi(arg);
2505 if (frame_padtop < 0) {
2506 fprintf(stderr, "Incorrect top pad size\n");
2507 av_exit(1);
2508 }
2509 }
2510
2511 static void opt_frame_pad_bottom(const char *arg)
2512 {
2513 frame_padbottom = atoi(arg);
2514 if (frame_padbottom < 0) {
2515 fprintf(stderr, "Incorrect bottom pad size\n");
2516 av_exit(1);
2517 }
2518 }
2519
2520
2521 static void opt_frame_pad_left(const char *arg)
2522 {
2523 frame_padleft = atoi(arg);
2524 if (frame_padleft < 0) {
2525 fprintf(stderr, "Incorrect left pad size\n");
2526 av_exit(1);
2527 }
2528 }
2529
2530
2531 static void opt_frame_pad_right(const char *arg)
2532 {
2533 frame_padright = atoi(arg);
2534 if (frame_padright < 0) {
2535 fprintf(stderr, "Incorrect right pad size\n");
2536 av_exit(1);
2537 }
2538 }
2539
2540 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2541 {
2542 int i;
2543 char fmt_str[128];
2544 for (i=-1; i < nb_fmts; i++) {
2545 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2546 fprintf(stdout, "%s\n", fmt_str);
2547 }
2548 }
2549
2550 static void opt_frame_pix_fmt(const char *arg)
2551 {
2552 if (strcmp(arg, "list")) {
2553 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2554 if (frame_pix_fmt == PIX_FMT_NONE) {
2555 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2556 av_exit(1);
2557 }
2558 } else {
2559 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2560 av_exit(0);
2561 }
2562 }
2563
2564 static void opt_frame_aspect_ratio(const char *arg)
2565 {
2566 int x = 0, y = 0;
2567 double ar = 0;
2568 const char *p;
2569 char *end;
2570
2571 p = strchr(arg, ':');
2572 if (p) {
2573 x = strtol(arg, &end, 10);
2574 if (end == p)
2575 y = strtol(end+1, &end, 10);
2576 if (x > 0 && y > 0)
2577 ar = (double)x / (double)y;
2578 } else
2579 ar = strtod(arg, NULL);
2580
2581 if (!ar) {
2582 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2583 av_exit(1);
2584 }
2585 frame_aspect_ratio = ar;
2586 }
2587
2588 static int opt_metadata(const char *opt, const char *arg)
2589 {
2590 char *mid= strchr(arg, '=');
2591
2592 if(!mid){
2593 fprintf(stderr, "Missing =\n");
2594 av_exit(1);
2595 }
2596 *mid++= 0;
2597
2598 metadata_count++;
2599 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2600 metadata[metadata_count-1].key = av_strdup(arg);
2601 metadata[metadata_count-1].value= av_strdup(mid);
2602
2603 return 0;
2604 }
2605
2606 static void opt_qscale(const char *arg)
2607 {
2608 video_qscale = atof(arg);
2609 if (video_qscale <= 0 ||
2610 video_qscale > 255) {
2611 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2612 av_exit(1);
2613 }
2614 }
2615
2616 static void opt_top_field_first(const char *arg)
2617 {
2618 top_field_first= atoi(arg);
2619 }
2620
2621 static int opt_thread_count(const char *opt, const char *arg)
2622 {
2623 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2624 #if !HAVE_THREADS
2625 if (verbose >= 0)
2626 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2627 #endif
2628 return 0;
2629 }
2630
2631 static void opt_audio_sample_fmt(const char *arg)
2632 {
2633 if (strcmp(arg, "list"))
2634 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2635 else {
2636 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2637 av_exit(0);
2638 }
2639 }
2640
2641 static int opt_audio_rate(const char *opt, const char *arg)
2642 {
2643 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2644 return 0;
2645 }
2646
2647 static int opt_audio_channels(const char *opt, const char *arg)
2648 {
2649 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2650 return 0;
2651 }
2652
2653 static void opt_video_channel(const char *arg)
2654 {
2655 video_channel = strtol(arg, NULL, 0);
2656 }
2657
2658 static void opt_video_standard(const char *arg)
2659 {
2660 video_standard = av_strdup(arg);
2661 }
2662
2663 static void opt_codec(int *pstream_copy, char **pcodec_name,
2664 int codec_type, const char *arg)
2665 {
2666 av_freep(pcodec_name);
2667 if (!strcmp(arg, "copy")) {
2668 *pstream_copy = 1;
2669 } else {
2670 *pcodec_name = av_strdup(arg);
2671 }
2672 }
2673
2674 static void opt_audio_codec(const char *arg)
2675 {
2676 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2677 }
2678
2679 static void opt_audio_tag(const char *arg)
2680 {
2681 char *tail;
2682 audio_codec_tag= strtol(arg, &tail, 0);
2683
2684 if(!tail || *tail)
2685 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2686 }
2687
2688 static void opt_video_tag(const char *arg)
2689 {
2690 char *tail;
2691 video_codec_tag= strtol(arg, &tail, 0);
2692
2693 if(!tail || *tail)
2694 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2695 }
2696
2697 static void opt_video_codec(const char *arg)
2698 {
2699 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2700 }
2701
2702 static void opt_subtitle_codec(const char *arg)
2703 {
2704 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2705 }
2706
2707 static void opt_subtitle_tag(const char *arg)
2708 {
2709 char *tail;
2710 subtitle_codec_tag= strtol(arg, &tail, 0);
2711
2712 if(!tail || *tail)
2713 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2714 }
2715
2716 static void opt_map(const char *arg)
2717 {
2718 AVStreamMap *m;
2719 char *p;
2720
2721 m = &stream_maps[nb_stream_maps++];
2722
2723 m->file_index = strtol(arg, &p, 0);
2724 if (*p)
2725 p++;
2726
2727 m->stream_index = strtol(p, &p, 0);
2728 if (*p) {
2729 p++;
2730 m->sync_file_index = strtol(p, &p, 0);
2731 if (*p)
2732 p++;
2733 m->sync_stream_index = strtol(p, &p, 0);
2734 } else {
2735 m->sync_file_index = m->file_index;
2736 m->sync_stream_index = m->stream_index;
2737 }
2738 }
2739
2740 static void opt_map_meta_data(const char *arg)
2741 {
2742 AVMetaDataMap *m;
2743 char *p;
2744
2745 m = &meta_data_maps[nb_meta_data_maps++];
2746
2747 m->out_file = strtol(arg, &p, 0);
2748 if (*p)
2749 p++;
2750
2751 m->in_file = strtol(p, &p, 0);
2752 }
2753
2754 static void opt_input_ts_scale(const char *arg)
2755 {
2756 unsigned int stream;
2757 double scale;
2758 char *p;
2759
2760 stream = strtol(arg, &p, 0);
2761 if (*p)
2762 p++;
2763 scale= strtod(p, &p);
2764
2765 if(stream >= MAX_STREAMS)
2766 av_exit(1);
2767
2768 input_files_ts_scale[nb_input_files][stream]= scale;
2769 }
2770
2771 static int opt_recording_time(const char *opt, const char *arg)
2772 {
2773 recording_time = parse_time_or_die(opt, arg, 1);
2774 return 0;
2775 }
2776
2777 static int opt_start_time(const char *opt, const char *arg)
2778 {
2779 start_time = parse_time_or_die(opt, arg, 1);
2780 return 0;
2781 }
2782
2783 static int opt_rec_timestamp(const char *opt, const char *arg)
2784 {
2785 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2786 return 0;
2787 }
2788
2789 static int opt_input_ts_offset(const char *opt, const char *arg)
2790 {
2791 input_ts_offset = parse_time_or_die(opt, arg, 1);
2792 return 0;
2793 }
2794
2795 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2796 {
2797 const char *codec_string = encoder ? "encoder" : "decoder";
2798 AVCodec *codec;
2799
2800 if(!name)
2801 return CODEC_ID_NONE;
2802 codec = encoder ?
2803 avcodec_find_encoder_by_name(name) :
2804 avcodec_find_decoder_by_name(name);
2805 if(!codec) {
2806 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2807 av_exit(1);
2808 }
2809 if(codec->type != type) {
2810 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2811 av_exit(1);
2812 }
2813 return codec->id;
2814 }
2815
2816 static void opt_input_file(const char *filename)
2817 {
2818 AVFormatContext *ic;
2819 AVFormatParameters params, *ap = &params;
2820 int err, i, ret, rfps, rfps_base;
2821 int64_t timestamp;
2822
2823 if (!strcmp(filename, "-"))
2824 filename = "pipe:";
2825
2826 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2827 !strcmp(filename, "/dev/stdin");
2828
2829 /* get default parameters from command line */
2830 ic = avformat_alloc_context();
2831
2832 memset(ap, 0, sizeof(*ap));
2833 ap->prealloced_context = 1;
2834 ap->sample_rate = audio_sample_rate;
2835 ap->channels = audio_channels;
2836 ap->time_base.den = frame_rate.num;
2837 ap->time_base.num = frame_rate.den;
2838 ap->width = frame_width + frame_padleft + frame_padright;
2839 ap->height = frame_height + frame_padtop + frame_padbottom;
2840 ap->pix_fmt = frame_pix_fmt;
2841 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2842 ap->channel = video_channel;
2843 ap->standard = video_standard;
2844 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2845 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2846 if(pgmyuv_compatibility_hack)
2847 ap->video_codec_id= CODEC_ID_PGMYUV;
2848
2849 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2850
2851 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2852 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2853 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2854 ic->flags |= AVFMT_FLAG_NONBLOCK;
2855
2856 /* open the input file with generic libav function */
2857 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2858 if (err < 0) {
2859 print_error(filename, err);
2860 av_exit(1);
2861 }
2862 if(opt_programid) {
2863 int i;
2864 for(i=0; i<ic->nb_programs; i++)
2865 if(ic->programs[i]->id != opt_programid)
2866 ic->programs[i]->discard = AVDISCARD_ALL;
2867 }
2868
2869 ic->loop_input = loop_input;
2870
2871 /* If not enough info to get the stream parameters, we decode the
2872 first frames to get it. (used in mpeg case for example) */
2873 ret = av_find_stream_info(ic);
2874 if (ret < 0 && verbose >= 0) {
2875 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2876 av_exit(1);
2877 }
2878
2879 timestamp = start_time;
2880 /* add the stream start time */
2881 if (ic->start_time != AV_NOPTS_VALUE)
2882 timestamp += ic->start_time;
2883
2884 /* if seeking requested, we execute it */
2885 if (start_time != 0) {
2886 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2887 if (ret < 0) {
2888 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2889 filename, (double)timestamp / AV_TIME_BASE);
2890 }
2891 /* reset seek info */
2892 start_time = 0;
2893 }
2894
2895 /* update the current parameters so that they match the one of the input stream */
2896 for(i=0;i<ic->nb_streams;i++) {
2897 AVCodecContext *enc = ic->streams[i]->codec;
2898 if(thread_count>1)
2899 avcodec_thread_init(enc, thread_count);
2900 enc->thread_count= thread_count;
2901 switch(enc->codec_type) {
2902 case CODEC_TYPE_AUDIO:
2903 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2904 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2905 channel_layout = enc->channel_layout;
2906 audio_channels = enc->channels;
2907 audio_sample_rate = enc->sample_rate;
2908 audio_sample_fmt = enc->sample_fmt;
2909 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2910 if(audio_disable)
2911 ic->streams[i]->discard= AVDISCARD_ALL;
2912 break;
2913 case CODEC_TYPE_VIDEO:
2914 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2915 frame_height = enc->height;
2916 frame_width = enc->width;
2917 if(ic->streams[i]->sample_aspect_ratio.num)
2918 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2919 else
2920 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2921 frame_aspect_ratio *= (float) enc->width / enc->height;
2922 frame_pix_fmt = enc->pix_fmt;
2923 rfps = ic->streams[i]->r_frame_rate.num;
2924 rfps_base = ic->streams[i]->r_frame_rate.den;
2925 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2926 if(me_threshold)
2927 enc->debug |= FF_DEBUG_MV;
2928
2929 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2930
2931 if (verbose >= 0)
2932 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2933 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2934
2935 (float)rfps / rfps_base, rfps, rfps_base);
2936 }
2937 /* update the current frame rate to match the stream frame rate */
2938 frame_rate.num = rfps;
2939 frame_rate.den = rfps_base;
2940
2941 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2942 if(video_disable)
2943 ic->streams[i]->discard= AVDISCARD_ALL;
2944 else if(video_discard)
2945 ic->streams[i]->discard= video_discard;
2946 break;
2947 case CODEC_TYPE_DATA:
2948 break;
2949 case CODEC_TYPE_SUBTITLE:
2950 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2951 if(subtitle_disable)
2952 ic->streams[i]->discard = AVDISCARD_ALL;
2953 break;
2954 case CODEC_TYPE_ATTACHMENT:
2955 case CODEC_TYPE_UNKNOWN:
2956 nb_icodecs++;
2957 break;
2958 default:
2959 abort();
2960 }
2961 }
2962
2963 input_files[nb_input_files] = ic;
2964 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2965 /* dump the file content */
2966 if (verbose >= 0)
2967 dump_format(ic, nb_input_files, filename, 0);
2968
2969 nb_input_files++;
2970 file_iformat = NULL;
2971 file_oformat = NULL;
2972
2973 video_channel = 0;
2974
2975 av_freep(&video_codec_name);
2976 av_freep(&audio_codec_name);
2977 av_freep(&subtitle_codec_name);
2978 }
2979
2980 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2981 int *has_subtitle_ptr)
2982 {
2983 int has_video, has_audio, has_subtitle, i, j;
2984 AVFormatContext *ic;
2985
2986 has_video = 0;
2987 has_audio = 0;
2988 has_subtitle = 0;
2989 for(j=0;j<nb_input_files;j++) {
2990 ic = input_files[j];
2991 for(i=0;i<ic->nb_streams;i++) {
2992 AVCodecContext *enc = ic->streams[i]->codec;
2993 switch(enc->codec_type) {
2994 case CODEC_TYPE_AUDIO:
2995 has_audio = 1;
2996 break;
2997 case CODEC_TYPE_VIDEO:
2998 has_video = 1;
2999 break;
3000 case CODEC_TYPE_SUBTITLE:
3001 has_subtitle = 1;
3002 break;
3003 case CODEC_TYPE_DATA:
3004 case CODEC_TYPE_ATTACHMENT:
3005 case CODEC_TYPE_UNKNOWN:
3006 break;
3007 default:
3008 abort();
3009 }
3010 }
3011 }
3012 *has_video_ptr = has_video;
3013 *has_audio_ptr = has_audio;
3014 *has_subtitle_ptr = has_subtitle;
3015 }
3016
3017 static void new_video_stream(AVFormatContext *oc)
3018 {
3019 AVStream *st;
3020 AVCodecContext *video_enc;
3021 enum CodecID codec_id;
3022
3023 st = av_new_stream(oc, oc->nb_streams);
3024 if (!st) {
3025 fprintf(stderr, "Could not alloc stream\n");
3026 av_exit(1);
3027 }
3028 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3029 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3030 video_bitstream_filters= NULL;
3031
3032 if(thread_count>1)
3033 avcodec_thread_init(st->codec, thread_count);
3034
3035 video_enc = st->codec;
3036
3037 if(video_codec_tag)
3038 video_enc->codec_tag= video_codec_tag;
3039
3040 if( (video_global_header&1)
3041 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3042 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3043 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3044 }
3045 if(video_global_header&2){
3046 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3047 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3048 }
3049
3050 if (video_stream_copy) {
3051 st->stream_copy = 1;
3052 video_enc->codec_type = CODEC_TYPE_VIDEO;
3053 video_enc->sample_aspect_ratio =
3054 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3055 } else {
3056 const char *p;
3057 int i;
3058 AVCodec *codec;
3059 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3060
3061 if (video_codec_name) {
3062 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3063 codec = avcodec_find_encoder_by_name(video_codec_name);
3064 output_codecs[nb_ocodecs] = codec;
3065 } else {
3066 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3067 codec = avcodec_find_encoder(codec_id);
3068 }
3069
3070 video_enc->codec_id = codec_id;
3071
3072 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3073
3074 if (codec && codec->supported_framerates && !force_fps)
3075 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3076 video_enc->time_base.den = fps.num;
3077 video_enc->time_base.num = fps.den;
3078
3079 video_enc->width = frame_width + frame_padright + frame_padleft;
3080 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3081 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3082 video_enc->pix_fmt = frame_pix_fmt;
3083 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3084
3085 if(codec && codec->pix_fmts){
3086 const enum PixelFormat *p= codec->pix_fmts;
3087 for(; *p!=-1; p++){
3088 if(*p == video_enc->pix_fmt)
3089 break;
3090 }
3091 if(*p == -1)
3092 video_enc->pix_fmt = codec->pix_fmts[0];
3093 }
3094
3095 if (intra_only)
3096 video_enc->gop_size = 0;
3097 if (video_qscale || same_quality) {
3098 video_enc->flags |= CODEC_FLAG_QSCALE;
3099 video_enc->global_quality=
3100 st->quality = FF_QP2LAMBDA * video_qscale;
3101 }
3102
3103 if(intra_matrix)
3104 video_enc->intra_matrix = intra_matrix;
3105 if(inter_matrix)
3106 video_enc->inter_matrix = inter_matrix;
3107
3108 video_enc->thread_count = thread_count;
3109 p= video_rc_override_string;
3110 for(i=0; p; i++){
3111 int start, end, q;
3112 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3113 if(e!=3){
3114 fprintf(stderr, "error parsing rc_override\n");
3115 av_exit(1);
3116 }
3117 video_enc->rc_override=
3118 av_realloc(video_enc->rc_override,
3119 sizeof(RcOverride)*(i+1));
3120 video_enc->rc_override[i].start_frame= start;
3121 video_enc->rc_override[i].end_frame = end;
3122 if(q>0){
3123 video_enc->rc_override[i].qscale= q;
3124 video_enc->rc_override[i].quality_factor= 1.0;
3125 }
3126 else{
3127 video_enc->rc_override[i].qscale= 0;
3128 video_enc->rc_override[i].quality_factor= -q/100.0;
3129 }
3130 p= strchr(p, '/');
3131 if(p) p++;
3132 }
3133 video_enc->rc_override_count=i;
3134 if (!video_enc->rc_initial_buffer_occupancy)
3135 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3136 video_enc->me_threshold= me_threshold;
3137 video_enc->intra_dc_precision= intra_dc_precision - 8;
3138
3139 if (do_psnr)
3140 video_enc->flags|= CODEC_FLAG_PSNR;
3141
3142 /* two pass mode */
3143 if (do_pass) {
3144 if (do_pass == 1) {
3145 video_enc->flags |= CODEC_FLAG_PASS1;
3146 } else {
3147 video_enc->flags |= CODEC_FLAG_PASS2;
3148 }
3149 }
3150 }
3151 nb_ocodecs++;
3152
3153 /* reset some key parameters */
3154 video_disable = 0;
3155 av_freep(&video_codec_name);
3156 video_stream_copy = 0;
3157 }
3158
3159 static void new_audio_stream(AVFormatContext *oc)
3160 {
3161 AVStream *st;
3162 AVCodecContext *audio_enc;
3163 enum CodecID codec_id;
3164
3165 st = av_new_stream(oc, oc->nb_streams);
3166 if (!st) {
3167 fprintf(stderr, "Could not alloc stream\n");
3168 av_exit(1);
3169 }
3170 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3171
3172 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3173 audio_bitstream_filters= NULL;
3174
3175 if(thread_count>1)
3176 avcodec_thread_init(st->codec, thread_count);
3177
3178 audio_enc = st->codec;
3179 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3180
3181 if(audio_codec_tag)
3182 audio_enc->codec_tag= audio_codec_tag;
3183
3184 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3185 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3186 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3187 }
3188 if (audio_stream_copy) {
3189 st->stream_copy = 1;
3190 audio_enc->channels = audio_channels;
3191 } else {
3192 AVCodec *codec;
3193
3194 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3195
3196 if (audio_codec_name) {