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Remove the 3-front-channel layout from the list of channel layout
[FFMpeg-mirror/lagarith.git] / ffmpeg.c
blobdcba31f17a22f82ca7a40eca760b3dd472bc0408
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 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish=1.0;
135 static float video_rc_qmod_amp=0;
136 static int video_rc_qmod_freq=0;
137 #endif
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int do_deinterlace = 0;
145 static int top_field_first = -1;
146 static int me_threshold = 0;
147 static int intra_dc_precision = 8;
148 static int loop_input = 0;
149 static int loop_output = AVFMT_NOOUTPUTLOOP;
150 static int qp_hist = 0;
151
152 static int intra_only = 0;
153 static int audio_sample_rate = 44100;
154 static int64_t channel_layout = 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale = QSCALE_NONE;
157 static int audio_disable = 0;
158 static int audio_channels = 1;
159 static char *audio_codec_name = NULL;
160 static int audio_codec_tag = 0;
161 static char *audio_language = NULL;
162
163 static int subtitle_disable = 0;
164 static char *subtitle_codec_name = NULL;
165 static char *subtitle_language = NULL;
166 static int subtitle_codec_tag = 0;
167
168 static float mux_preload= 0.5;
169 static float mux_max_delay= 0.7;
170
171 static int64_t recording_time = INT64_MAX;
172 static int64_t start_time = 0;
173 static int64_t rec_timestamp = 0;
174 static int64_t input_ts_offset = 0;
175 static int file_overwrite = 0;
176 static int metadata_count;
177 static AVMetadataTag *metadata;
178 static int do_benchmark = 0;
179 static int do_hex_dump = 0;
180 static int do_pkt_dump = 0;
181 static int do_psnr = 0;
182 static int do_pass = 0;
183 static char *pass_logfilename_prefix = NULL;
184 static int audio_stream_copy = 0;
185 static int video_stream_copy = 0;
186 static int subtitle_stream_copy = 0;
187 static int video_sync_method= -1;
188 static int audio_sync_method= 0;
189 static float audio_drift_threshold= 0.1;
190 static int copy_ts= 0;
191 static int opt_shortest = 0;
192 static int video_global_header = 0;
193 static char *vstats_filename;
194 static FILE *vstats_file;
195 static int opt_programid = 0;
196 static int copy_initial_nonkeyframes = 0;
197
198 static int rate_emu = 0;
199
200 static int video_channel = 0;
201 static char *video_standard;
202
203 static int audio_volume = 256;
204
205 static int exit_on_error = 0;
206 static int using_stdin = 0;
207 static int verbose = 1;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = 0;
217 static int force_fps = 0;
218
219 static int pgmyuv_compatibility_hack=0;
220 static float dts_delta_threshold = 10;
221
222 static unsigned int sws_flags = SWS_BICUBIC;
223
224 static int64_t timer_start;
225
226 static uint8_t *audio_buf;
227 static uint8_t *audio_out;
228 static uint8_t *audio_out2;
229
230 static short *samples;
231
232 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
235 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
236
237 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238
239 struct AVInputStream;
240
241 typedef struct AVOutputStream {
242 int file_index; /* file index */
243 int index; /* stream index in the output file */
244 int source_index; /* AVInputStream index */
245 AVStream *st; /* stream in the output file */
246 int encoding_needed; /* true if encoding needed for this stream */
247 int frame_number;
248 /* input pts and corresponding output pts
249 for A/V sync */
250 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
251 struct AVInputStream *sync_ist; /* input stream to sync against */
252 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
253 /* video only */
254 int video_resample;
255 AVFrame pict_tmp; /* temporary image for resampling */
256 struct SwsContext *img_resample_ctx; /* for image resampling */
257 int resample_height;
258
259 int video_crop;
260 int topBand; /* cropping area sizes */
261 int leftBand;
262
263 int video_pad;
264 int padtop; /* padding area sizes */
265 int padbottom;
266 int padleft;
267 int padright;
268
269 /* audio only */
270 int audio_resample;
271 ReSampleContext *resample; /* for audio resampling */
272 int reformat_pair;
273 AVAudioConvert *reformat_ctx;
274 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
275 FILE *logfile;
276 } AVOutputStream;
277
278 typedef struct AVInputStream {
279 int file_index;
280 int index;
281 AVStream *st;
282 int discard; /* true if stream data should be discarded */
283 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
284 int64_t sample_index; /* current sample */
285
286 int64_t start; /* time when read started */
287 int64_t next_pts; /* synthetic pts for cases where pkt.pts
288 is not defined */
289 int64_t pts; /* current pts */
290 int is_start; /* is 1 at the start and after a discontinuity */
291 } AVInputStream;
292
293 typedef struct AVInputFile {
294 int eof_reached; /* true if eof reached */
295 int ist_index; /* index of first stream in ist_table */
296 int buffer_size; /* current total buffer size */
297 int nb_streams; /* nb streams we are aware of */
298 } AVInputFile;
299
300 #if HAVE_TERMIOS_H
301
302 /* init terminal so that we can grab keys */
303 static struct termios oldtty;
304 #endif
305
306 static void term_exit(void)
307 {
308 #if HAVE_TERMIOS_H
309 tcsetattr (0, TCSANOW, &oldtty);
310 #endif
311 }
312
313 static volatile sig_atomic_t received_sigterm = 0;
314
315 static void
316 sigterm_handler(int sig)
317 {
318 received_sigterm = sig;
319 term_exit();
320 }
321
322 static void term_init(void)
323 {
324 #if HAVE_TERMIOS_H
325 struct termios tty;
326
327 tcgetattr (0, &tty);
328 oldtty = tty;
329
330 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
331 |INLCR|IGNCR|ICRNL|IXON);
332 tty.c_oflag |= OPOST;
333 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
334 tty.c_cflag &= ~(CSIZE|PARENB);
335 tty.c_cflag |= CS8;
336 tty.c_cc[VMIN] = 1;
337 tty.c_cc[VTIME] = 0;
338
339 tcsetattr (0, TCSANOW, &tty);
340 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
341 #endif
342
343 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
344 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
345 /*
346 register a function to be called at normal program termination
347 */
348 atexit(term_exit);
349 #if CONFIG_BEOS_NETSERVER
350 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
351 #endif
352 }
353
354 /* read a key without blocking */
355 static int read_key(void)
356 {
357 #if HAVE_TERMIOS_H
358 int n = 1;
359 unsigned char ch;
360 #if !CONFIG_BEOS_NETSERVER
361 struct timeval tv;
362 fd_set rfds;
363
364 FD_ZERO(&rfds);
365 FD_SET(0, &rfds);
366 tv.tv_sec = 0;
367 tv.tv_usec = 0;
368 n = select(1, &rfds, NULL, NULL, &tv);
369 #endif
370 if (n > 0) {
371 n = read(0, &ch, 1);
372 if (n == 1)
373 return ch;
374
375 return n;
376 }
377 #elif HAVE_CONIO_H
378 if(kbhit())
379 return(getch());
380 #endif
381 return -1;
382 }
383
384 static int decode_interrupt_cb(void)
385 {
386 return q_pressed || (q_pressed = read_key() == 'q');
387 }
388
389 static int av_exit(int ret)
390 {
391 int i;
392
393 /* close files */
394 for(i=0;i<nb_output_files;i++) {
395 /* maybe av_close_output_file ??? */
396 AVFormatContext *s = output_files[i];
397 int j;
398 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
399 url_fclose(s->pb);
400 for(j=0;j<s->nb_streams;j++) {
401 av_metadata_free(&s->streams[j]->metadata);
402 av_free(s->streams[j]->codec);
403 av_free(s->streams[j]);
404 }
405 for(j=0;j<s->nb_programs;j++) {
406 av_metadata_free(&s->programs[j]->metadata);
407 }
408 for(j=0;j<s->nb_chapters;j++) {
409 av_metadata_free(&s->chapters[j]->metadata);
410 }
411 av_metadata_free(&s->metadata);
412 av_free(s);
413 }
414 for(i=0;i<nb_input_files;i++)
415 av_close_input_file(input_files[i]);
416
417 av_free(intra_matrix);
418 av_free(inter_matrix);
419
420 if (vstats_file)
421 fclose(vstats_file);
422 av_free(vstats_filename);
423
424 av_free(opt_names);
425
426 av_free(video_codec_name);
427 av_free(audio_codec_name);
428 av_free(subtitle_codec_name);
429
430 av_free(video_standard);
431
432 #if CONFIG_POWERPC_PERF
433 void powerpc_display_perf_report(void);
434 powerpc_display_perf_report();
435 #endif /* CONFIG_POWERPC_PERF */
436
437 for (i=0;i<CODEC_TYPE_NB;i++)
438 av_free(avcodec_opts[i]);
439 av_free(avformat_opts);
440 av_free(sws_opts);
441 av_free(audio_buf);
442 av_free(audio_out);
443 av_free(audio_out2);
444 av_free(samples);
445
446 if (received_sigterm) {
447 fprintf(stderr,
448 "Received signal %d: terminating.\n",
449 (int) received_sigterm);
450 exit (255);
451 }
452
453 exit(ret); /* not all OS-es handle main() return value */
454 return ret;
455 }
456
457 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
458 {
459 int i, err;
460 AVFormatContext *ic;
461 int nopts = 0;
462
463 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
464 if (err < 0)
465 return err;
466 /* copy stream format */
467 s->nb_streams = ic->nb_streams;
468 for(i=0;i<ic->nb_streams;i++) {
469 AVStream *st;
470
471 // FIXME: a more elegant solution is needed
472 st = av_mallocz(sizeof(AVStream));
473 memcpy(st, ic->streams[i], sizeof(AVStream));
474 st->codec = avcodec_alloc_context();
475 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
476 s->streams[i] = st;
477
478 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
479 st->stream_copy = 1;
480 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
481 st->stream_copy = 1;
482
483 if(!st->codec->thread_count)
484 st->codec->thread_count = 1;
485 if(st->codec->thread_count>1)
486 avcodec_thread_init(st->codec, st->codec->thread_count);
487
488 if(st->codec->flags & CODEC_FLAG_BITEXACT)
489 nopts = 1;
490 }
491
492 if (!nopts)
493 s->timestamp = av_gettime();
494
495 av_close_input_file(ic);
496 return 0;
497 }
498
499 static double
500 get_sync_ipts(const AVOutputStream *ost)
501 {
502 const AVInputStream *ist = ost->sync_ist;
503 return (double)(ist->pts - start_time)/AV_TIME_BASE;
504 }
505
506 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
507 int ret;
508
509 while(bsfc){
510 AVPacket new_pkt= *pkt;
511 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
512 &new_pkt.data, &new_pkt.size,
513 pkt->data, pkt->size,
514 pkt->flags & PKT_FLAG_KEY);
515 if(a>0){
516 av_free_packet(pkt);
517 new_pkt.destruct= av_destruct_packet;
518 } else if(a<0){
519 fprintf(stderr, "%s failed for stream %d, codec %s",
520 bsfc->filter->name, pkt->stream_index,
521 avctx->codec ? avctx->codec->name : "copy");
522 print_error("", a);
523 if (exit_on_error)
524 av_exit(1);
525 }
526 *pkt= new_pkt;
527
528 bsfc= bsfc->next;
529 }
530
531 ret= av_interleaved_write_frame(s, pkt);
532 if(ret < 0){
533 print_error("av_interleaved_write_frame()", ret);
534 av_exit(1);
535 }
536 }
537
538 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
539
540 static void do_audio_out(AVFormatContext *s,
541 AVOutputStream *ost,
542 AVInputStream *ist,
543 unsigned char *buf, int size)
544 {
545 uint8_t *buftmp;
546 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
547
548 int size_out, frame_bytes, ret;
549 AVCodecContext *enc= ost->st->codec;
550 AVCodecContext *dec= ist->st->codec;
551 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
552 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
553
554 /* SC: dynamic allocation of buffers */
555 if (!audio_buf)
556 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
557 if (!audio_out)
558 audio_out = av_malloc(audio_out_size);
559 if (!audio_buf || !audio_out)
560 return; /* Should signal an error ! */
561
562 if (enc->channels != dec->channels)
563 ost->audio_resample = 1;
564
565 if (ost->audio_resample && !ost->resample) {
566 if (dec->sample_fmt != SAMPLE_FMT_S16)
567 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
568 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
569 enc->sample_rate, dec->sample_rate,
570 enc->sample_fmt, dec->sample_fmt,
571 16, 10, 0, 0.8);
572 if (!ost->resample) {
573 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
574 dec->channels, dec->sample_rate,
575 enc->channels, enc->sample_rate);
576 av_exit(1);
577 }
578 }
579
580 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
581 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
582 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
583 if (!audio_out2)
584 audio_out2 = av_malloc(audio_out_size);
585 if (!audio_out2)
586 av_exit(1);
587 if (ost->reformat_ctx)
588 av_audio_convert_free(ost->reformat_ctx);
589 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
590 dec->sample_fmt, 1, NULL, 0);
591 if (!ost->reformat_ctx) {
592 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
593 avcodec_get_sample_fmt_name(dec->sample_fmt),
594 avcodec_get_sample_fmt_name(enc->sample_fmt));
595 av_exit(1);
596 }
597 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
598 }
599
600 if(audio_sync_method){
601 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
602 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
603 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
604 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
605
606 //FIXME resample delay
607 if(fabs(delta) > 50){
608 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
609 if(byte_delta < 0){
610 byte_delta= FFMAX(byte_delta, -size);
611 size += byte_delta;
612 buf -= byte_delta;
613 if(verbose > 2)
614 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
615 if(!size)
616 return;
617 ist->is_start=0;
618 }else{
619 static uint8_t *input_tmp= NULL;
620 input_tmp= av_realloc(input_tmp, byte_delta + size);
621
622 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
623 ist->is_start=0;
624 else
625 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
626
627 memset(input_tmp, 0, byte_delta);
628 memcpy(input_tmp + byte_delta, buf, size);
629 buf= input_tmp;
630 size += byte_delta;
631 if(verbose > 2)
632 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
633 }
634 }else if(audio_sync_method>1){
635 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
636 assert(ost->audio_resample);
637 if(verbose > 2)
638 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
639 // 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));
640 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
641 }
642 }
643 }else
644 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
645 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
646
647 if (ost->audio_resample) {
648 buftmp = audio_buf;
649 size_out = audio_resample(ost->resample,
650 (short *)buftmp, (short *)buf,
651 size / (ist->st->codec->channels * isize));
652 size_out = size_out * enc->channels * osize;
653 } else {
654 buftmp = buf;
655 size_out = size;
656 }
657
658 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
659 const void *ibuf[6]= {buftmp};
660 void *obuf[6]= {audio_out2};
661 int istride[6]= {isize};
662 int ostride[6]= {osize};
663 int len= size_out/istride[0];
664 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
665 printf("av_audio_convert() failed\n");
666 if (exit_on_error)
667 av_exit(1);
668 return;
669 }
670 buftmp = audio_out2;
671 size_out = len*osize;
672 }
673
674 /* now encode as many frames as possible */
675 if (enc->frame_size > 1) {
676 /* output resampled raw samples */
677 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
678 fprintf(stderr, "av_fifo_realloc2() failed\n");
679 av_exit(1);
680 }
681 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
682
683 frame_bytes = enc->frame_size * osize * enc->channels;
684
685 while (av_fifo_size(ost->fifo) >= frame_bytes) {
686 AVPacket pkt;
687 av_init_packet(&pkt);
688
689 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
690
691 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
692
693 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
694 (short *)audio_buf);
695 if (ret < 0) {
696 fprintf(stderr, "Audio encoding failed\n");
697 av_exit(1);
698 }
699 audio_size += ret;
700 pkt.stream_index= ost->index;
701 pkt.data= audio_out;
702 pkt.size= ret;
703 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
704 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
705 pkt.flags |= PKT_FLAG_KEY;
706 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
707
708 ost->sync_opts += enc->frame_size;
709 }
710 } else {
711 AVPacket pkt;
712 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
713 av_init_packet(&pkt);
714
715 ost->sync_opts += size_out / (osize * enc->channels);
716
717 /* output a pcm frame */
718 /* determine the size of the coded buffer */
719 size_out /= osize;
720 if (coded_bps)
721 size_out *= coded_bps;
722
723 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
724 ret = avcodec_encode_audio(enc, audio_out, size_out,
725 (short *)buftmp);
726 if (ret < 0) {
727 fprintf(stderr, "Audio encoding failed\n");
728 av_exit(1);
729 }
730 audio_size += ret;
731 pkt.stream_index= ost->index;
732 pkt.data= audio_out;
733 pkt.size= ret;
734 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
735 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
736 pkt.flags |= PKT_FLAG_KEY;
737 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
738 }
739 }
740
741 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
742 {
743 AVCodecContext *dec;
744 AVPicture *picture2;
745 AVPicture picture_tmp;
746 uint8_t *buf = 0;
747
748 dec = ist->st->codec;
749
750 /* deinterlace : must be done before any resize */
751 if (do_deinterlace) {
752 int size;
753
754 /* create temporary picture */
755 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
756 buf = av_malloc(size);
757 if (!buf)
758 return;
759
760 picture2 = &picture_tmp;
761 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
762
763 if(avpicture_deinterlace(picture2, picture,
764 dec->pix_fmt, dec->width, dec->height) < 0) {
765 /* if error, do not deinterlace */
766 fprintf(stderr, "Deinterlacing failed\n");
767 av_free(buf);
768 buf = NULL;
769 picture2 = picture;
770 }
771 } else {
772 picture2 = picture;
773 }
774
775 if (picture != picture2)
776 *picture = *picture2;
777 *bufp = buf;
778 }
779
780 /* we begin to correct av delay at this threshold */
781 #define AV_DELAY_MAX 0.100
782
783 static void do_subtitle_out(AVFormatContext *s,
784 AVOutputStream *ost,
785 AVInputStream *ist,
786 AVSubtitle *sub,
787 int64_t pts)
788 {
789 static uint8_t *subtitle_out = NULL;
790 int subtitle_out_max_size = 65536;
791 int subtitle_out_size, nb, i;
792 AVCodecContext *enc;
793 AVPacket pkt;
794
795 if (pts == AV_NOPTS_VALUE) {
796 fprintf(stderr, "Subtitle packets must have a pts\n");
797 if (exit_on_error)
798 av_exit(1);
799 return;
800 }
801
802 enc = ost->st->codec;
803
804 if (!subtitle_out) {
805 subtitle_out = av_malloc(subtitle_out_max_size);
806 }
807
808 /* Note: DVB subtitle need one packet to draw them and one other
809 packet to clear them */
810 /* XXX: signal it in the codec context ? */
811 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
812 nb = 2;
813 else
814 nb = 1;
815
816 for(i = 0; i < nb; i++) {
817 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
818 subtitle_out_max_size, sub);
819
820 av_init_packet(&pkt);
821 pkt.stream_index = ost->index;
822 pkt.data = subtitle_out;
823 pkt.size = subtitle_out_size;
824 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
825 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
826 /* XXX: the pts correction is handled here. Maybe handling
827 it in the codec would be better */
828 if (i == 0)
829 pkt.pts += 90 * sub->start_display_time;
830 else
831 pkt.pts += 90 * sub->end_display_time;
832 }
833 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
834 }
835 }
836
837 static int bit_buffer_size= 1024*256;
838 static uint8_t *bit_buffer= NULL;
839
840 static void do_video_out(AVFormatContext *s,
841 AVOutputStream *ost,
842 AVInputStream *ist,
843 AVFrame *in_picture,
844 int *frame_size)
845 {
846 int nb_frames, i, ret;
847 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
848 AVFrame picture_crop_temp, picture_pad_temp;
849 AVCodecContext *enc, *dec;
850
851 avcodec_get_frame_defaults(&picture_crop_temp);
852 avcodec_get_frame_defaults(&picture_pad_temp);
853
854 enc = ost->st->codec;
855 dec = ist->st->codec;
856
857 /* by default, we output a single frame */
858 nb_frames = 1;
859
860 *frame_size = 0;
861
862 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
863 double vdelta;
864 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
865 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
866 if (vdelta < -1.1)
867 nb_frames = 0;
868 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
869 if(vdelta<=-0.6){
870 nb_frames=0;
871 }else if(vdelta>0.6)
872 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
873 }else if (vdelta > 1.1)
874 nb_frames = lrintf(vdelta);
875 //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);
876 if (nb_frames == 0){
877 ++nb_frames_drop;
878 if (verbose>2)
879 fprintf(stderr, "*** drop!\n");
880 }else if (nb_frames > 1) {
881 nb_frames_dup += nb_frames;
882 if (verbose>2)
883 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
884 }
885 }else
886 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
887
888 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
889 if (nb_frames <= 0)
890 return;
891
892 if (ost->video_crop) {
893 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
894 fprintf(stderr, "error cropping picture\n");
895 if (exit_on_error)
896 av_exit(1);
897 return;
898 }
899 formatted_picture = &picture_crop_temp;
900 } else {
901 formatted_picture = in_picture;
902 }
903
904 final_picture = formatted_picture;
905 padding_src = formatted_picture;
906 resampling_dst = &ost->pict_tmp;
907 if (ost->video_pad) {
908 final_picture = &ost->pict_tmp;
909 if (ost->video_resample) {
910 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
911 fprintf(stderr, "error padding picture\n");
912 if (exit_on_error)
913 av_exit(1);
914 return;
915 }
916 resampling_dst = &picture_pad_temp;
917 }
918 }
919
920 if (ost->video_resample) {
921 padding_src = NULL;
922 final_picture = &ost->pict_tmp;
923 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
924 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
925 }
926
927 if (ost->video_pad) {
928 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
929 enc->height, enc->width, enc->pix_fmt,
930 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
931 }
932
933 /* duplicates frame if needed */
934 for(i=0;i<nb_frames;i++) {
935 AVPacket pkt;
936 av_init_packet(&pkt);
937 pkt.stream_index= ost->index;
938
939 if (s->oformat->flags & AVFMT_RAWPICTURE) {
940 /* raw pictures are written as AVPicture structure to
941 avoid any copies. We support temorarily the older
942 method. */
943 AVFrame* old_frame = enc->coded_frame;
944 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
945 pkt.data= (uint8_t *)final_picture;
946 pkt.size= sizeof(AVPicture);
947 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
948 pkt.flags |= PKT_FLAG_KEY;
949
950 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
951 enc->coded_frame = old_frame;
952 } else {
953 AVFrame big_picture;
954
955 big_picture= *final_picture;
956 /* better than nothing: use input picture interlaced
957 settings */
958 big_picture.interlaced_frame = in_picture->interlaced_frame;
959 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
960 if(top_field_first == -1)
961 big_picture.top_field_first = in_picture->top_field_first;
962 else
963 big_picture.top_field_first = top_field_first;
964 }
965
966 /* handles sameq here. This is not correct because it may
967 not be a global option */
968 if (same_quality) {
969 big_picture.quality = ist->st->quality;
970 }else
971 big_picture.quality = ost->st->quality;
972 if(!me_threshold)
973 big_picture.pict_type = 0;
974 // big_picture.pts = AV_NOPTS_VALUE;
975 big_picture.pts= ost->sync_opts;
976 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
977 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
978 ret = avcodec_encode_video(enc,
979 bit_buffer, bit_buffer_size,
980 &big_picture);
981 if (ret < 0) {
982 fprintf(stderr, "Video encoding failed\n");
983 av_exit(1);
984 }
985
986 if(ret>0){
987 pkt.data= bit_buffer;
988 pkt.size= ret;
989 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
990 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
991 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
992 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
993 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
994
995 if(enc->coded_frame->key_frame)
996 pkt.flags |= PKT_FLAG_KEY;
997 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
998 *frame_size = ret;
999 video_size += ret;
1000 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1001 // enc->frame_number-1, ret, enc->pict_type);
1002 /* if two pass, output log */
1003 if (ost->logfile && enc->stats_out) {
1004 fprintf(ost->logfile, "%s", enc->stats_out);
1005 }
1006 }
1007 }
1008 ost->sync_opts++;
1009 ost->frame_number++;
1010 }
1011 }
1012
1013 static double psnr(double d){
1014 return -10.0*log(d)/log(10.0);
1015 }
1016
1017 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1018 int frame_size)
1019 {
1020 AVCodecContext *enc;
1021 int frame_number;
1022 double ti1, bitrate, avg_bitrate;
1023
1024 /* this is executed just the first time do_video_stats is called */
1025 if (!vstats_file) {
1026 vstats_file = fopen(vstats_filename, "w");
1027 if (!vstats_file) {
1028 perror("fopen");
1029 av_exit(1);
1030 }
1031 }
1032
1033 enc = ost->st->codec;
1034 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1035 frame_number = ost->frame_number;
1036 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1037 if (enc->flags&CODEC_FLAG_PSNR)
1038 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1039
1040 fprintf(vstats_file,"f_size= %6d ", frame_size);
1041 /* compute pts value */
1042 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1043 if (ti1 < 0.01)
1044 ti1 = 0.01;
1045
1046 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1047 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1048 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1049 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1050 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1051 }
1052 }
1053
1054 static void print_report(AVFormatContext **output_files,
1055 AVOutputStream **ost_table, int nb_ostreams,
1056 int is_last_report)
1057 {
1058 char buf[1024];
1059 AVOutputStream *ost;
1060 AVFormatContext *oc;
1061 int64_t total_size;
1062 AVCodecContext *enc;
1063 int frame_number, vid, i;
1064 double bitrate, ti1, pts;
1065 static int64_t last_time = -1;
1066 static int qp_histogram[52];
1067
1068 if (!is_last_report) {
1069 int64_t cur_time;
1070 /* display the report every 0.5 seconds */
1071 cur_time = av_gettime();
1072 if (last_time == -1) {
1073 last_time = cur_time;
1074 return;
1075 }
1076 if ((cur_time - last_time) < 500000)
1077 return;
1078 last_time = cur_time;
1079 }
1080
1081
1082 oc = output_files[0];
1083
1084 total_size = url_fsize(oc->pb);
1085 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1086 total_size= url_ftell(oc->pb);
1087
1088 buf[0] = '\0';
1089 ti1 = 1e10;
1090 vid = 0;
1091 for(i=0;i<nb_ostreams;i++) {
1092 ost = ost_table[i];
1093 enc = ost->st->codec;
1094 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1095 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1096 !ost->st->stream_copy ?
1097 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1098 }
1099 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1100 float t = (av_gettime()-timer_start) / 1000000.0;
1101
1102 frame_number = ost->frame_number;
1103 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1104 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1105 !ost->st->stream_copy ?
1106 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1107 if(is_last_report)
1108 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1109 if(qp_hist){
1110 int j;
1111 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1112 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1113 qp_histogram[qp]++;
1114 for(j=0; j<32; j++)
1115 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1116 }
1117 if (enc->flags&CODEC_FLAG_PSNR){
1118 int j;
1119 double error, error_sum=0;
1120 double scale, scale_sum=0;
1121 char type[3]= {'Y','U','V'};
1122 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1123 for(j=0; j<3; j++){
1124 if(is_last_report){
1125 error= enc->error[j];
1126 scale= enc->width*enc->height*255.0*255.0*frame_number;
1127 }else{
1128 error= enc->coded_frame->error[j];
1129 scale= enc->width*enc->height*255.0*255.0;
1130 }
1131 if(j) scale/=4;
1132 error_sum += error;
1133 scale_sum += scale;
1134 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1135 }
1136 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1137 }
1138 vid = 1;
1139 }
1140 /* compute min output value */
1141 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1142 if ((pts < ti1) && (pts > 0))
1143 ti1 = pts;
1144 }
1145 if (ti1 < 0.01)
1146 ti1 = 0.01;
1147
1148 if (verbose || is_last_report) {
1149 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1150
1151 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1152 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1153 (double)total_size / 1024, ti1, bitrate);
1154
1155 if (verbose > 1)
1156 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1157 nb_frames_dup, nb_frames_drop);
1158
1159 if (verbose >= 0)
1160 fprintf(stderr, "%s \r", buf);
1161
1162 fflush(stderr);
1163 }
1164
1165 if (is_last_report && verbose >= 0){
1166 int64_t raw= audio_size + video_size + extra_size;
1167 fprintf(stderr, "\n");
1168 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1169 video_size/1024.0,
1170 audio_size/1024.0,
1171 extra_size/1024.0,
1172 100.0*(total_size - raw)/raw
1173 );
1174 }
1175 }
1176
1177 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1178 static int output_packet(AVInputStream *ist, int ist_index,
1179 AVOutputStream **ost_table, int nb_ostreams,
1180 const AVPacket *pkt)
1181 {
1182 AVFormatContext *os;
1183 AVOutputStream *ost;
1184 int ret, i;
1185 uint8_t *data_buf;
1186 int data_size, got_picture;
1187 AVFrame picture;
1188 void *buffer_to_free;
1189 static unsigned int samples_size= 0;
1190 AVSubtitle subtitle, *subtitle_to_free;
1191 int got_subtitle;
1192 AVPacket avpkt;
1193
1194 if(ist->next_pts == AV_NOPTS_VALUE)
1195 ist->next_pts= ist->pts;
1196
1197 if (pkt == NULL) {
1198 /* EOF handling */
1199 av_init_packet(&avpkt);
1200 avpkt.data = NULL;
1201 avpkt.size = 0;
1202 goto handle_eof;
1203 } else {
1204 avpkt = *pkt;
1205 }
1206
1207 if(pkt->dts != AV_NOPTS_VALUE)
1208 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1209
1210 //while we have more to decode or while the decoder did output something on EOF
1211 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1212 handle_eof:
1213 ist->pts= ist->next_pts;
1214
1215 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1216 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1217
1218 /* decode the packet if needed */
1219 data_buf = NULL; /* fail safe */
1220 data_size = 0;
1221 subtitle_to_free = NULL;
1222 if (ist->decoding_needed) {
1223 switch(ist->st->codec->codec_type) {
1224 case CODEC_TYPE_AUDIO:{
1225 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1226 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1227 av_free(samples);
1228 samples= av_malloc(samples_size);
1229 }
1230 data_size= samples_size;
1231 /* XXX: could avoid copy if PCM 16 bits with same
1232 endianness as CPU */
1233 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1234 &avpkt);
1235 if (ret < 0)
1236 goto fail_decode;
1237 avpkt.data += ret;
1238 avpkt.size -= ret;
1239 /* Some bug in mpeg audio decoder gives */
1240 /* data_size < 0, it seems they are overflows */
1241 if (data_size <= 0) {
1242 /* no audio frame */
1243 continue;
1244 }
1245 data_buf = (uint8_t *)samples;
1246 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1247 (ist->st->codec->sample_rate * ist->st->codec->channels);
1248 break;}
1249 case CODEC_TYPE_VIDEO:
1250 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1251 /* XXX: allocate picture correctly */
1252 avcodec_get_frame_defaults(&picture);
1253
1254 ret = avcodec_decode_video2(ist->st->codec,
1255 &picture, &got_picture, &avpkt);
1256 ist->st->quality= picture.quality;
1257 if (ret < 0)
1258 goto fail_decode;
1259 if (!got_picture) {
1260 /* no picture yet */
1261 goto discard_packet;
1262 }
1263 if (ist->st->codec->time_base.num != 0) {
1264 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1265 ist->next_pts += ((int64_t)AV_TIME_BASE *
1266 ist->st->codec->time_base.num * ticks) /
1267 ist->st->codec->time_base.den;
1268 }
1269 avpkt.size = 0;
1270 break;
1271 case CODEC_TYPE_SUBTITLE:
1272 ret = avcodec_decode_subtitle2(ist->st->codec,
1273 &subtitle, &got_subtitle, &avpkt);
1274 if (ret < 0)
1275 goto fail_decode;
1276 if (!got_subtitle) {
1277 goto discard_packet;
1278 }
1279 subtitle_to_free = &subtitle;
1280 avpkt.size = 0;
1281 break;
1282 default:
1283 goto fail_decode;
1284 }
1285 } else {
1286 switch(ist->st->codec->codec_type) {
1287 case CODEC_TYPE_AUDIO:
1288 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1289 ist->st->codec->sample_rate;
1290 break;
1291 case CODEC_TYPE_VIDEO:
1292 if (ist->st->codec->time_base.num != 0) {
1293 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1294 ist->next_pts += ((int64_t)AV_TIME_BASE *
1295 ist->st->codec->time_base.num * ticks) /
1296 ist->st->codec->time_base.den;
1297 }
1298 break;
1299 }
1300 data_buf = avpkt.data;
1301 data_size = avpkt.size;
1302 ret = avpkt.size;
1303 avpkt.size = 0;
1304 }
1305
1306 buffer_to_free = NULL;
1307 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1308 pre_process_video_frame(ist, (AVPicture *)&picture,
1309 &buffer_to_free);
1310 }
1311
1312 // preprocess audio (volume)
1313 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1314 if (audio_volume != 256) {
1315 short *volp;
1316 volp = samples;
1317 for(i=0;i<(data_size / sizeof(short));i++) {
1318 int v = ((*volp) * audio_volume + 128) >> 8;
1319 if (v < -32768) v = -32768;
1320 if (v > 32767) v = 32767;
1321 *volp++ = v;
1322 }
1323 }
1324 }
1325
1326 /* frame rate emulation */
1327 if (rate_emu) {
1328 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1329 int64_t now = av_gettime() - ist->start;
1330 if (pts > now)
1331 usleep(pts - now);
1332 }
1333
1334 /* if output time reached then transcode raw format,
1335 encode packets and output them */
1336 if (start_time == 0 || ist->pts >= start_time)
1337 for(i=0;i<nb_ostreams;i++) {
1338 int frame_size;
1339
1340 ost = ost_table[i];
1341 if (ost->source_index == ist_index) {
1342 os = output_files[ost->file_index];
1343
1344 #if 0
1345 printf("%d: got pts=%0.3f %0.3f\n", i,
1346 (double)pkt->pts / AV_TIME_BASE,
1347 ((double)ist->pts / AV_TIME_BASE) -
1348 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1349 #endif
1350 /* set the input output pts pairs */
1351 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1352
1353 if (ost->encoding_needed) {
1354 switch(ost->st->codec->codec_type) {
1355 case CODEC_TYPE_AUDIO:
1356 do_audio_out(os, ost, ist, data_buf, data_size);
1357 break;
1358 case CODEC_TYPE_VIDEO:
1359 do_video_out(os, ost, ist, &picture, &frame_size);
1360 if (vstats_filename && frame_size)
1361 do_video_stats(os, ost, frame_size);
1362 break;
1363 case CODEC_TYPE_SUBTITLE:
1364 do_subtitle_out(os, ost, ist, &subtitle,
1365 pkt->pts);
1366 break;
1367 default:
1368 abort();
1369 }
1370 } else {
1371 AVFrame avframe; //FIXME/XXX remove this
1372 AVPacket opkt;
1373 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1374
1375 av_init_packet(&opkt);
1376
1377 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1378 continue;
1379
1380 /* no reencoding needed : output the packet directly */
1381 /* force the input stream PTS */
1382
1383 avcodec_get_frame_defaults(&avframe);
1384 ost->st->codec->coded_frame= &avframe;
1385 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1386
1387 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1388 audio_size += data_size;
1389 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1390 video_size += data_size;
1391 ost->sync_opts++;
1392 }
1393
1394 opkt.stream_index= ost->index;
1395 if(pkt->pts != AV_NOPTS_VALUE)
1396 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1397 else
1398 opkt.pts= AV_NOPTS_VALUE;
1399
1400 if (pkt->dts == AV_NOPTS_VALUE)
1401 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1402 else
1403 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1404 opkt.dts -= ost_tb_start_time;
1405
1406 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1407 opkt.flags= pkt->flags;
1408
1409 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1410 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1411 opkt.destruct= av_destruct_packet;
1412
1413 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1414 ost->st->codec->frame_number++;
1415 ost->frame_number++;
1416 av_free_packet(&opkt);
1417 }
1418 }
1419 }
1420 av_free(buffer_to_free);
1421 /* XXX: allocate the subtitles in the codec ? */
1422 if (subtitle_to_free) {
1423 if (subtitle_to_free->rects != NULL) {
1424 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1425 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1426 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1427 av_freep(&subtitle_to_free->rects[i]);
1428 }
1429 av_freep(&subtitle_to_free->rects);
1430 }
1431 subtitle_to_free->num_rects = 0;
1432 subtitle_to_free = NULL;
1433 }
1434 }
1435 discard_packet:
1436 if (pkt == NULL) {
1437 /* EOF handling */
1438
1439 for(i=0;i<nb_ostreams;i++) {
1440 ost = ost_table[i];
1441 if (ost->source_index == ist_index) {
1442 AVCodecContext *enc= ost->st->codec;
1443 os = output_files[ost->file_index];
1444
1445 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1446 continue;
1447 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1448 continue;
1449
1450 if (ost->encoding_needed) {
1451 for(;;) {
1452 AVPacket pkt;
1453 int fifo_bytes;
1454 av_init_packet(&pkt);
1455 pkt.stream_index= ost->index;
1456
1457 switch(ost->st->codec->codec_type) {
1458 case CODEC_TYPE_AUDIO:
1459 fifo_bytes = av_fifo_size(ost->fifo);
1460 ret = 0;
1461 /* encode any samples remaining in fifo */
1462 if (fifo_bytes > 0) {
1463 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1464 int fs_tmp = enc->frame_size;
1465
1466 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1467 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1468 enc->frame_size = fifo_bytes / (osize * enc->channels);
1469 } else { /* pad */
1470 int frame_bytes = enc->frame_size*osize*enc->channels;
1471 if (samples_size < frame_bytes)
1472 av_exit(1);
1473 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1474 }
1475
1476 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1477 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1478 ost->st->time_base.num, enc->sample_rate);
1479 enc->frame_size = fs_tmp;
1480 }
1481 if(ret <= 0) {
1482 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1483 }
1484 if (ret < 0) {
1485 fprintf(stderr, "Audio encoding failed\n");
1486 av_exit(1);
1487 }
1488 audio_size += ret;
1489 pkt.flags |= PKT_FLAG_KEY;
1490 break;
1491 case CODEC_TYPE_VIDEO:
1492 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1493 if (ret < 0) {
1494 fprintf(stderr, "Video encoding failed\n");
1495 av_exit(1);
1496 }
1497 video_size += ret;
1498 if(enc->coded_frame && enc->coded_frame->key_frame)
1499 pkt.flags |= PKT_FLAG_KEY;
1500 if (ost->logfile && enc->stats_out) {
1501 fprintf(ost->logfile, "%s", enc->stats_out);
1502 }
1503 break;
1504 default:
1505 ret=-1;
1506 }
1507
1508 if(ret<=0)
1509 break;
1510 pkt.data= bit_buffer;
1511 pkt.size= ret;
1512 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1513 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1514 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1515 }
1516 }
1517 }
1518 }
1519 }
1520
1521 return 0;
1522 fail_decode:
1523 return -1;
1524 }
1525
1526 static void print_sdp(AVFormatContext **avc, int n)
1527 {
1528 char sdp[2048];
1529
1530 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1531 printf("SDP:\n%s\n", sdp);
1532 fflush(stdout);
1533 }
1534
1535 static int stream_index_from_inputs(AVFormatContext **input_files,
1536 int nb_input_files,
1537 AVInputFile *file_table,
1538 AVInputStream **ist_table,
1539 enum CodecType type,
1540 int programid)
1541 {
1542 int p, q, z;
1543 for(z=0; z<nb_input_files; z++) {
1544 AVFormatContext *ic = input_files[z];
1545 for(p=0; p<ic->nb_programs; p++) {
1546 AVProgram *program = ic->programs[p];
1547 if(program->id != programid)
1548 continue;
1549 for(q=0; q<program->nb_stream_indexes; q++) {
1550 int sidx = program->stream_index[q];
1551 int ris = file_table[z].ist_index + sidx;
1552 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1553 return ris;
1554 }
1555 }
1556 }
1557
1558 return -1;
1559 }
1560
1561 /*
1562 * The following code is the main loop of the file converter
1563 */
1564 static int av_encode(AVFormatContext **output_files,
1565 int nb_output_files,
1566 AVFormatContext **input_files,
1567 int nb_input_files,
1568 AVStreamMap *stream_maps, int nb_stream_maps)
1569 {
1570 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1571 AVFormatContext *is, *os;
1572 AVCodecContext *codec, *icodec;
1573 AVOutputStream *ost, **ost_table = NULL;
1574 AVInputStream *ist, **ist_table = NULL;
1575 AVInputFile *file_table;
1576 char error[1024];
1577 int key;
1578 int want_sdp = 1;
1579 uint8_t no_packet[MAX_FILES]={0};
1580 int no_packet_count=0;
1581
1582 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1583 if (!file_table)
1584 goto fail;
1585
1586 /* input stream init */
1587 j = 0;
1588 for(i=0;i<nb_input_files;i++) {
1589 is = input_files[i];
1590 file_table[i].ist_index = j;
1591 file_table[i].nb_streams = is->nb_streams;
1592 j += is->nb_streams;
1593 }
1594 nb_istreams = j;
1595
1596 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1597 if (!ist_table)
1598 goto fail;
1599
1600 for(i=0;i<nb_istreams;i++) {
1601 ist = av_mallocz(sizeof(AVInputStream));
1602 if (!ist)
1603 goto fail;
1604 ist_table[i] = ist;
1605 }
1606 j = 0;
1607 for(i=0;i<nb_input_files;i++) {
1608 is = input_files[i];
1609 for(k=0;k<is->nb_streams;k++) {
1610 ist = ist_table[j++];
1611 ist->st = is->streams[k];
1612 ist->file_index = i;
1613 ist->index = k;
1614 ist->discard = 1; /* the stream is discarded by default
1615 (changed later) */
1616
1617 if (rate_emu) {
1618 ist->start = av_gettime();
1619 }
1620 }
1621 }
1622
1623 /* output stream init */
1624 nb_ostreams = 0;
1625 for(i=0;i<nb_output_files;i++) {
1626 os = output_files[i];
1627 if (!os->nb_streams) {
1628 dump_format(output_files[i], i, output_files[i]->filename, 1);
1629 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1630 av_exit(1);
1631 }
1632 nb_ostreams += os->nb_streams;
1633 }
1634 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1635 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1636 av_exit(1);
1637 }
1638
1639 /* Sanity check the mapping args -- do the input files & streams exist? */
1640 for(i=0;i<nb_stream_maps;i++) {
1641 int fi = stream_maps[i].file_index;
1642 int si = stream_maps[i].stream_index;
1643
1644 if (fi < 0 || fi > nb_input_files - 1 ||
1645 si < 0 || si > file_table[fi].nb_streams - 1) {
1646 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1647 av_exit(1);
1648 }
1649 fi = stream_maps[i].sync_file_index;
1650 si = stream_maps[i].sync_stream_index;
1651 if (fi < 0 || fi > nb_input_files - 1 ||
1652 si < 0 || si > file_table[fi].nb_streams - 1) {
1653 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1654 av_exit(1);
1655 }
1656 }
1657
1658 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1659 if (!ost_table)
1660 goto fail;
1661 for(i=0;i<nb_ostreams;i++) {
1662 ost = av_mallocz(sizeof(AVOutputStream));
1663 if (!ost)
1664 goto fail;
1665 ost_table[i] = ost;
1666 }
1667
1668 n = 0;
1669 for(k=0;k<nb_output_files;k++) {
1670 os = output_files[k];
1671 for(i=0;i<os->nb_streams;i++,n++) {
1672 int found;
1673 ost = ost_table[n];
1674 ost->file_index = k;
1675 ost->index = i;
1676 ost->st = os->streams[i];
1677 if (nb_stream_maps > 0) {
1678 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1679 stream_maps[n].stream_index;
1680
1681 /* Sanity check that the stream types match */
1682 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1683 int i= ost->file_index;
1684 dump_format(output_files[i], i, output_files[i]->filename, 1);
1685 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1686 stream_maps[n].file_index, stream_maps[n].stream_index,
1687 ost->file_index, ost->index);
1688 av_exit(1);
1689 }
1690
1691 } else {
1692 if(opt_programid) {
1693 found = 0;
1694 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1695 if(j != -1) {
1696 ost->source_index = j;
1697 found = 1;
1698 }
1699 } else {
1700 /* get corresponding input stream index : we select the first one with the right type */
1701 found = 0;
1702 for(j=0;j<nb_istreams;j++) {
1703 ist = ist_table[j];
1704 if (ist->discard &&
1705 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1706 ost->source_index = j;
1707 found = 1;
1708 break;
1709 }
1710 }
1711 }
1712
1713 if (!found) {
1714 if(! opt_programid) {
1715 /* try again and reuse existing stream */
1716 for(j=0;j<nb_istreams;j++) {
1717 ist = ist_table[j];
1718 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1719 ost->source_index = j;
1720 found = 1;
1721 }
1722 }
1723 }
1724 if (!found) {
1725 int i= ost->file_index;
1726 dump_format(output_files[i], i, output_files[i]->filename, 1);
1727 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1728 ost->file_index, ost->index);
1729 av_exit(1);
1730 }
1731 }
1732 }
1733 ist = ist_table[ost->source_index];
1734 ist->discard = 0;
1735 ost->sync_ist = (nb_stream_maps > 0) ?
1736 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1737 stream_maps[n].sync_stream_index] : ist;
1738 }
1739 }
1740
1741 /* for each output stream, we compute the right encoding parameters */
1742 for(i=0;i<nb_ostreams;i++) {
1743 AVMetadataTag *lang;
1744 ost = ost_table[i];
1745 os = output_files[ost->file_index];
1746 ist = ist_table[ost->source_index];
1747
1748 codec = ost->st->codec;
1749 icodec = ist->st->codec;
1750
1751 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1752 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1753 av_metadata_set(&ost->st->metadata, "language", lang->value);
1754
1755 ost->st->disposition = ist->st->disposition;
1756 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1757 codec->chroma_sample_location = icodec->chroma_sample_location;
1758
1759 if (ost->st->stream_copy) {
1760 /* if stream_copy is selected, no need to decode or encode */
1761 codec->codec_id = icodec->codec_id;
1762 codec->codec_type = icodec->codec_type;
1763
1764 if(!codec->codec_tag){
1765 if( !os->oformat->codec_tag
1766 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1767 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1768 codec->codec_tag = icodec->codec_tag;
1769 }
1770
1771 codec->bit_rate = icodec->bit_rate;
1772 codec->extradata= icodec->extradata;
1773 codec->extradata_size= icodec->extradata_size;
1774 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){
1775 codec->time_base = icodec->time_base;
1776 codec->time_base.num *= icodec->ticks_per_frame;
1777 }else
1778 codec->time_base = ist->st->time_base;
1779 switch(codec->codec_type) {
1780 case CODEC_TYPE_AUDIO:
1781 if(audio_volume != 256) {
1782 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1783 av_exit(1);
1784 }
1785 codec->channel_layout = icodec->channel_layout;
1786 codec->sample_rate = icodec->sample_rate;
1787 codec->channels = icodec->channels;
1788 codec->frame_size = icodec->frame_size;
1789 codec->block_align= icodec->block_align;
1790 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1791 codec->block_align= 0;
1792 if(codec->codec_id == CODEC_ID_AC3)
1793 codec->block_align= 0;
1794 break;
1795 case CODEC_TYPE_VIDEO:
1796 codec->pix_fmt = icodec->pix_fmt;
1797 codec->width = icodec->width;
1798 codec->height = icodec->height;
1799 codec->has_b_frames = icodec->has_b_frames;
1800 break;
1801 case CODEC_TYPE_SUBTITLE:
1802 codec->width = icodec->width;
1803 codec->height = icodec->height;
1804 break;
1805 default:
1806 abort();
1807 }
1808 } else {
1809 switch(codec->codec_type) {
1810 case CODEC_TYPE_AUDIO:
1811 ost->fifo= av_fifo_alloc(1024);
1812 if(!ost->fifo)
1813 goto fail;
1814 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1815 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1816 icodec->request_channels = codec->channels;
1817 ist->decoding_needed = 1;
1818 ost->encoding_needed = 1;
1819 break;
1820 case CODEC_TYPE_VIDEO:
1821 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1822 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1823 av_exit(1);
1824 }
1825 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1826 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1827 ost->video_resample = ((codec->width != icodec->width -
1828 (frame_leftBand + frame_rightBand) +
1829 (frame_padleft + frame_padright)) ||
1830 (codec->height != icodec->height -
1831 (frame_topBand + frame_bottomBand) +
1832 (frame_padtop + frame_padbottom)) ||
1833 (codec->pix_fmt != icodec->pix_fmt));
1834 if (ost->video_crop) {
1835 ost->topBand = frame_topBand;
1836 ost->leftBand = frame_leftBand;
1837 }
1838 if (ost->video_pad) {
1839 ost->padtop = frame_padtop;
1840 ost->padleft = frame_padleft;
1841 ost->padbottom = frame_padbottom;
1842 ost->padright = frame_padright;
1843 if (!ost->video_resample) {
1844 avcodec_get_frame_defaults(&ost->pict_tmp);
1845 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1846 codec->width, codec->height))
1847 goto fail;
1848 }
1849 }
1850 if (ost->video_resample) {
1851 avcodec_get_frame_defaults(&ost->pict_tmp);
1852 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1853 codec->width, codec->height)) {
1854 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1855 av_exit(1);
1856 }
1857 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1858 ost->img_resample_ctx = sws_getContext(
1859 icodec->width - (frame_leftBand + frame_rightBand),
1860 icodec->height - (frame_topBand + frame_bottomBand),
1861 icodec->pix_fmt,
1862 codec->width - (frame_padleft + frame_padright),
1863 codec->height - (frame_padtop + frame_padbottom),
1864 codec->pix_fmt,
1865 sws_flags, NULL, NULL, NULL);
1866 if (ost->img_resample_ctx == NULL) {
1867 fprintf(stderr, "Cannot get resampling context\n");
1868 av_exit(1);
1869 }
1870 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1871 codec->bits_per_raw_sample= 0;
1872 }
1873 ost->encoding_needed = 1;
1874 ist->decoding_needed = 1;
1875 break;
1876 case CODEC_TYPE_SUBTITLE:
1877 ost->encoding_needed = 1;
1878 ist->decoding_needed = 1;
1879 break;
1880 default:
1881 abort();
1882 break;
1883 }
1884 /* two pass mode */
1885 if (ost->encoding_needed &&
1886 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1887 char logfilename[1024];
1888 FILE *f;
1889 int size;
1890 char *logbuffer;
1891
1892 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1893 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1894 i);
1895 if (codec->flags & CODEC_FLAG_PASS1) {
1896 f = fopen(logfilename, "w");
1897 if (!f) {
1898 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1899 av_exit(1);
1900 }
1901 ost->logfile = f;
1902 } else {
1903 /* read the log file */
1904 f = fopen(logfilename, "r");
1905 if (!f) {
1906 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1907 av_exit(1);
1908 }
1909 fseek(f, 0, SEEK_END);
1910 size = ftell(f);
1911 fseek(f, 0, SEEK_SET);
1912 logbuffer = av_malloc(size + 1);
1913 if (!logbuffer) {
1914 fprintf(stderr, "Could not allocate log buffer\n");
1915 av_exit(1);
1916 }
1917 size = fread(logbuffer, 1, size, f);
1918 fclose(f);
1919 logbuffer[size] = '\0';
1920 codec->stats_in = logbuffer;
1921 }
1922 }
1923 }
1924 if(codec->codec_type == CODEC_TYPE_VIDEO){
1925 int size= codec->width * codec->height;
1926 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1927 }
1928 }
1929
1930 if (!bit_buffer)
1931 bit_buffer = av_malloc(bit_buffer_size);
1932 if (!bit_buffer) {
1933 ret = AVERROR(ENOMEM);
1934 goto fail;
1935 }
1936
1937 /* open each encoder */
1938 for(i=0;i<nb_ostreams;i++) {
1939 ost = ost_table[i];
1940 if (ost->encoding_needed) {
1941 AVCodec *codec = output_codecs[i];
1942 if (!codec)
1943 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1944 if (!codec) {
1945 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1946 ost->file_index, ost->index);
1947 ret = AVERROR(EINVAL);
1948 goto dump_format;
1949 }
1950 if (avcodec_open(ost->st->codec, codec) < 0) {
1951 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1952 ost->file_index, ost->index);
1953 ret = AVERROR(EINVAL);
1954 goto dump_format;
1955 }
1956 extra_size += ost->st->codec->extradata_size;
1957 }
1958 }
1959
1960 /* open each decoder */
1961 for(i=0;i<nb_istreams;i++) {
1962 ist = ist_table[i];
1963 if (ist->decoding_needed) {
1964 AVCodec *codec = input_codecs[i];
1965 if (!codec)
1966 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1967 if (!codec) {
1968 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1969 ist->st->codec->codec_id, ist->file_index, ist->index);
1970 ret = AVERROR(EINVAL);
1971 goto dump_format;
1972 }
1973 if (avcodec_open(ist->st->codec, codec) < 0) {
1974 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1975 ist->file_index, ist->index);
1976 ret = AVERROR(EINVAL);
1977 goto dump_format;
1978 }
1979 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1980 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1981 }
1982 }
1983
1984 /* init pts */
1985 for(i=0;i<nb_istreams;i++) {
1986 ist = ist_table[i];
1987 ist->pts = 0;
1988 ist->next_pts = AV_NOPTS_VALUE;
1989 ist->is_start = 1;
1990 }
1991
1992 /* set meta data information from input file if required */
1993 for (i=0;i<nb_meta_data_maps;i++) {
1994 AVFormatContext *out_file;
1995 AVFormatContext *in_file;
1996 AVMetadataTag *mtag;
1997
1998 int out_file_index = meta_data_maps[i].out_file;
1999 int in_file_index = meta_data_maps[i].in_file;
2000 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2001 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2002 out_file_index, out_file_index, in_file_index);
2003 ret = AVERROR(EINVAL);
2004 goto dump_format;
2005 }
2006 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2007 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2008 in_file_index, out_file_index, in_file_index);
2009 ret = AVERROR(EINVAL);
2010 goto dump_format;
2011 }
2012
2013 out_file = output_files[out_file_index];
2014 in_file = input_files[in_file_index];
2015
2016
2017 mtag=NULL;
2018 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2019 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2020 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2021 in_file->iformat->metadata_conv);
2022 }
2023
2024 /* open files and write file headers */
2025 for(i=0;i<nb_output_files;i++) {
2026 os = output_files[i];
2027 if (av_write_header(os) < 0) {
2028 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2029 ret = AVERROR(EINVAL);
2030 goto dump_format;
2031 }
2032 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2033 want_sdp = 0;
2034 }
2035 }
2036
2037 dump_format:
2038 /* dump the file output parameters - cannot be done before in case
2039 of stream copy */
2040 for(i=0;i<nb_output_files;i++) {
2041 dump_format(output_files[i], i, output_files[i]->filename, 1);
2042 }
2043
2044 /* dump the stream mapping */
2045 if (verbose >= 0) {
2046 fprintf(stderr, "Stream mapping:\n");
2047 for(i=0;i<nb_ostreams;i++) {
2048 ost = ost_table[i];
2049 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2050 ist_table[ost->source_index]->file_index,
2051 ist_table[ost->source_index]->index,
2052 ost->file_index,
2053 ost->index);
2054 if (ost->sync_ist != ist_table[ost->source_index])
2055 fprintf(stderr, " [sync #%d.%d]",
2056 ost->sync_ist->file_index,
2057 ost->sync_ist->index);
2058 fprintf(stderr, "\n");
2059 }
2060 }
2061
2062 if (ret) {
2063 fprintf(stderr, "%s\n", error);
2064 goto fail;
2065 }
2066
2067 if (want_sdp) {
2068 print_sdp(output_files, nb_output_files);
2069 }
2070
2071 if (!using_stdin && verbose >= 0) {
2072 fprintf(stderr, "Press [q] to stop encoding\n");
2073 url_set_interrupt_cb(decode_interrupt_cb);
2074 }
2075 term_init();
2076
2077 timer_start = av_gettime();
2078
2079 for(; received_sigterm == 0;) {
2080 int file_index, ist_index;
2081 AVPacket pkt;
2082 double ipts_min;
2083 double opts_min;
2084
2085 redo:
2086 ipts_min= 1e100;
2087 opts_min= 1e100;
2088 /* if 'q' pressed, exits */
2089 if (!using_stdin) {
2090 if (q_pressed)
2091 break;
2092 /* read_key() returns 0 on EOF */
2093 key = read_key();
2094 if (key == 'q')
2095 break;
2096 }
2097
2098 /* select the stream that we must read now by looking at the
2099 smallest output pts */
2100 file_index = -1;
2101 for(i=0;i<nb_ostreams;i++) {
2102 double ipts, opts;
2103 ost = ost_table[i];
2104 os = output_files[ost->file_index];
2105 ist = ist_table[ost->source_index];
2106 if(no_packet[ist->file_index])
2107 continue;
2108 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2109 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2110 else
2111 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2112 ipts = (double)ist->pts;
2113 if (!file_table[ist->file_index].eof_reached){
2114 if(ipts < ipts_min) {
2115 ipts_min = ipts;
2116 if(input_sync ) file_index = ist->file_index;
2117 }
2118 if(opts < opts_min) {
2119 opts_min = opts;
2120 if(!input_sync) file_index = ist->file_index;
2121 }
2122 }
2123 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2124 file_index= -1;
2125 break;
2126 }
2127 }
2128 /* if none, if is finished */
2129 if (file_index < 0) {
2130 if(no_packet_count){
2131 no_packet_count=0;
2132 memset(no_packet, 0, sizeof(no_packet));
2133 usleep(10000);
2134 continue;
2135 }
2136 break;
2137 }
2138
2139 /* finish if recording time exhausted */
2140 if (opts_min >= (recording_time / 1000000.0))
2141 break;
2142
2143 /* finish if limit size exhausted */
2144 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2145 break;
2146
2147 /* read a frame from it and output it in the fifo */
2148 is = input_files[file_index];
2149 ret= av_read_frame(is, &pkt);
2150 if(ret == AVERROR(EAGAIN)){
2151 no_packet[file_index]=1;
2152 no_packet_count++;
2153 continue;
2154 }
2155 if (ret < 0) {
2156 file_table[file_index].eof_reached = 1;
2157 if (opt_shortest)
2158 break;
2159 else
2160 continue;
2161 }
2162
2163 no_packet_count=0;
2164 memset(no_packet, 0, sizeof(no_packet));
2165
2166 if (do_pkt_dump) {
2167 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2168 }
2169 /* the following test is needed in case new streams appear
2170 dynamically in stream : we ignore them */
2171 if (pkt.stream_index >= file_table[file_index].nb_streams)
2172 goto discard_packet;
2173 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2174 ist = ist_table[ist_index];
2175 if (ist->discard)
2176 goto discard_packet;
2177
2178 if (pkt.dts != AV_NOPTS_VALUE)
2179 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2180 if (pkt.pts != AV_NOPTS_VALUE)
2181 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2182
2183 if(input_files_ts_scale[file_index][pkt.stream_index]){
2184 if(pkt.pts != AV_NOPTS_VALUE)
2185 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2186 if(pkt.dts != AV_NOPTS_VALUE)
2187 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2188 }
2189
2190 // 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);
2191 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2192 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2193 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2194 int64_t delta= pkt_dts - ist->next_pts;
2195 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2196 input_files_ts_offset[ist->file_index]-= delta;
2197 if (verbose > 2)
2198 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2199 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2200 if(pkt.pts != AV_NOPTS_VALUE)
2201 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2202 }
2203 }
2204
2205 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2206 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2207
2208 if (verbose >= 0)
2209 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2210 ist->file_index, ist->index);
2211 if (exit_on_error)
2212 av_exit(1);
2213 av_free_packet(&pkt);
2214 goto redo;
2215 }
2216
2217 discard_packet:
2218 av_free_packet(&pkt);
2219
2220 /* dump report by using the output first video and audio streams */
2221 print_report(output_files, ost_table, nb_ostreams, 0);
2222 }
2223
2224 /* at the end of stream, we must flush the decoder buffers */
2225 for(i=0;i<nb_istreams;i++) {
2226 ist = ist_table[i];
2227 if (ist->decoding_needed) {
2228 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2229 }
2230 }
2231
2232 term_exit();
2233
2234 /* write the trailer if needed and close file */
2235 for(i=0;i<nb_output_files;i++) {
2236 os = output_files[i];
2237 av_write_trailer(os);
2238 }
2239
2240 /* dump report by using the first video and audio streams */
2241 print_report(output_files, ost_table, nb_ostreams, 1);
2242
2243 /* close each encoder */
2244 for(i=0;i<nb_ostreams;i++) {
2245 ost = ost_table[i];
2246 if (ost->encoding_needed) {
2247 av_freep(&ost->st->codec->stats_in);
2248 avcodec_close(ost->st->codec);
2249 }
2250 }
2251
2252 /* close each decoder */
2253 for(i=0;i<nb_istreams;i++) {
2254 ist = ist_table[i];
2255 if (ist->decoding_needed) {
2256 avcodec_close(ist->st->codec);
2257 }
2258 }
2259
2260 /* finished ! */
2261 ret = 0;
2262
2263 fail:
2264 av_freep(&bit_buffer);
2265 av_free(file_table);
2266
2267 if (ist_table) {
2268 for(i=0;i<nb_istreams;i++) {
2269 ist = ist_table[i];
2270 av_free(ist);
2271 }
2272 av_free(ist_table);
2273 }
2274 if (ost_table) {
2275 for(i=0;i<nb_ostreams;i++) {
2276 ost = ost_table[i];
2277 if (ost) {
2278 if (ost->logfile) {
2279 fclose(ost->logfile);
2280 ost->logfile = NULL;
2281 }
2282 av_fifo_free(ost->fifo); /* works even if fifo is not
2283 initialized but set to zero */
2284 av_free(ost->pict_tmp.data[0]);
2285 if (ost->video_resample)
2286 sws_freeContext(ost->img_resample_ctx);
2287 if (ost->resample)
2288 audio_resample_close(ost->resample);
2289 if (ost->reformat_ctx)
2290 av_audio_convert_free(ost->reformat_ctx);
2291 av_free(ost);
2292 }
2293 }
2294 av_free(ost_table);
2295 }
2296 return ret;
2297 }
2298
2299 #if 0
2300 int file_read(const char *filename)
2301 {
2302 URLContext *h;
2303 unsigned char buffer[1024];
2304 int len, i;
2305
2306 if (url_open(&h, filename, O_RDONLY) < 0) {
2307 printf("could not open '%s'\n", filename);
2308 return -1;
2309 }
2310 for(;;) {
2311 len = url_read(h, buffer, sizeof(buffer));
2312 if (len <= 0)
2313 break;
2314 for(i=0;i<len;i++) putchar(buffer[i]);
2315 }
2316 url_close(h);
2317 return 0;
2318 }
2319 #endif
2320
2321 static void opt_format(const char *arg)
2322 {
2323 /* compatibility stuff for pgmyuv */
2324 if (!strcmp(arg, "pgmyuv")) {
2325 pgmyuv_compatibility_hack=1;
2326 // opt_image_format(arg);
2327 arg = "image2";
2328 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2329 }
2330
2331 file_iformat = av_find_input_format(arg);
2332 file_oformat = guess_format(arg, NULL, NULL);
2333 if (!file_iformat && !file_oformat) {
2334 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2335 av_exit(1);
2336 }
2337 }
2338
2339 static void opt_video_rc_override_string(const char *arg)
2340 {
2341 video_rc_override_string = arg;
2342 }
2343
2344 static int opt_me_threshold(const char *opt, const char *arg)
2345 {
2346 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2347 return 0;
2348 }
2349
2350 static int opt_loglevel(const char *opt, const char *arg)
2351 {
2352 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2353 av_log_set_level(level);
2354 return 0;
2355 }
2356
2357 static int opt_verbose(const char *opt, const char *arg)
2358 {
2359 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2360 return 0;
2361 }
2362
2363 static int opt_frame_rate(const char *opt, const char *arg)
2364 {
2365 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2366 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2367 av_exit(1);
2368 }
2369 return 0;
2370 }
2371
2372 static int opt_bitrate(const char *opt, const char *arg)
2373 {
2374 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2375
2376 opt_default(opt, arg);
2377
2378 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2379 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2380
2381 return 0;
2382 }
2383
2384 static void opt_frame_crop_top(const char *arg)
2385 {
2386 frame_topBand = atoi(arg);
2387 if (frame_topBand < 0) {
2388 fprintf(stderr, "Incorrect top crop size\n");
2389 av_exit(1);
2390 }
2391 if ((frame_topBand) >= frame_height){
2392 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2393 av_exit(1);
2394 }
2395 frame_height -= frame_topBand;
2396 }
2397
2398 static void opt_frame_crop_bottom(const char *arg)
2399 {
2400 frame_bottomBand = atoi(arg);
2401 if (frame_bottomBand < 0) {
2402 fprintf(stderr, "Incorrect bottom crop size\n");
2403 av_exit(1);
2404 }
2405 if ((frame_bottomBand) >= frame_height){
2406 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2407 av_exit(1);
2408 }
2409 frame_height -= frame_bottomBand;
2410 }
2411
2412 static void opt_frame_crop_left(const char *arg)
2413 {
2414 frame_leftBand = atoi(arg);
2415 if (frame_leftBand < 0) {
2416 fprintf(stderr, "Incorrect left crop size\n");
2417 av_exit(1);
2418 }
2419 if ((frame_leftBand) >= frame_width){
2420 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2421 av_exit(1);
2422 }
2423 frame_width -= frame_leftBand;
2424 }
2425
2426 static void opt_frame_crop_right(const char *arg)
2427 {
2428 frame_rightBand = atoi(arg);
2429 if (frame_rightBand < 0) {
2430 fprintf(stderr, "Incorrect right crop size\n");
2431 av_exit(1);
2432 }
2433 if ((frame_rightBand) >= frame_width){
2434 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2435 av_exit(1);
2436 }
2437 frame_width -= frame_rightBand;
2438 }
2439
2440 static void opt_frame_size(const char *arg)
2441 {
2442 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2443 fprintf(stderr, "Incorrect frame size\n");
2444 av_exit(1);
2445 }
2446 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2447 fprintf(stderr, "Frame size must be a multiple of 2\n");
2448 av_exit(1);
2449 }
2450 }
2451
2452 static void opt_pad_color(const char *arg) {
2453 /* Input is expected to be six hex digits similar to
2454 how colors are expressed in html tags (but without the #) */
2455 int rgb = strtol(arg, NULL, 16);
2456 int r,g,b;
2457
2458 r = (rgb >> 16);
2459 g = ((rgb >> 8) & 255);
2460 b = (rgb & 255);
2461
2462 padcolor[0] = RGB_TO_Y(r,g,b);
2463 padcolor[1] = RGB_TO_U(r,g,b,0);
2464 padcolor[2] = RGB_TO_V(r,g,b,0);
2465 }
2466
2467 static void opt_frame_pad_top(const char *arg)
2468 {
2469 frame_padtop = atoi(arg);
2470 if (frame_padtop < 0) {
2471 fprintf(stderr, "Incorrect top pad size\n");
2472 av_exit(1);
2473 }
2474 }
2475
2476 static void opt_frame_pad_bottom(const char *arg)
2477 {
2478 frame_padbottom = atoi(arg);
2479 if (frame_padbottom < 0) {
2480 fprintf(stderr, "Incorrect bottom pad size\n");
2481 av_exit(1);
2482 }
2483 }
2484
2485
2486 static void opt_frame_pad_left(const char *arg)
2487 {
2488 frame_padleft = atoi(arg);
2489 if (frame_padleft < 0) {
2490 fprintf(stderr, "Incorrect left pad size\n");
2491 av_exit(1);
2492 }
2493 }
2494
2495
2496 static void opt_frame_pad_right(const char *arg)
2497 {
2498 frame_padright = atoi(arg);
2499 if (frame_padright < 0) {
2500 fprintf(stderr, "Incorrect right pad size\n");
2501 av_exit(1);
2502 }
2503 }
2504
2505 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2506 {
2507 int i;
2508 char fmt_str[128];
2509 for (i=-1; i < nb_fmts; i++) {
2510 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2511 fprintf(stdout, "%s\n", fmt_str);
2512 }
2513 }
2514
2515 static void opt_frame_pix_fmt(const char *arg)
2516 {
2517 if (strcmp(arg, "list")) {
2518 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2519 if (frame_pix_fmt == PIX_FMT_NONE) {
2520 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2521 av_exit(1);
2522 }
2523 } else {
2524 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2525 av_exit(0);
2526 }
2527 }
2528
2529 static void opt_frame_aspect_ratio(const char *arg)
2530 {
2531 int x = 0, y = 0;
2532 double ar = 0;
2533 const char *p;
2534 char *end;
2535
2536 p = strchr(arg, ':');
2537 if (p) {
2538 x = strtol(arg, &end, 10);
2539 if (end == p)
2540 y = strtol(end+1, &end, 10);
2541 if (x > 0 && y > 0)
2542 ar = (double)x / (double)y;
2543 } else
2544 ar = strtod(arg, NULL);
2545
2546 if (!ar) {
2547 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2548 av_exit(1);
2549 }
2550 frame_aspect_ratio = ar;
2551 }
2552
2553 static int opt_metadata(const char *opt, const char *arg)
2554 {
2555 char *mid= strchr(arg, '=');
2556
2557 if(!mid){
2558 fprintf(stderr, "Missing =\n");
2559 av_exit(1);
2560 }
2561 *mid++= 0;
2562
2563 metadata_count++;
2564 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2565 metadata[metadata_count-1].key = av_strdup(arg);
2566 metadata[metadata_count-1].value= av_strdup(mid);
2567
2568 return 0;
2569 }
2570
2571 static void opt_qscale(const char *arg)
2572 {
2573 video_qscale = atof(arg);
2574 if (video_qscale <= 0 ||
2575 video_qscale > 255) {
2576 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2577 av_exit(1);
2578 }
2579 }
2580
2581 static void opt_top_field_first(const char *arg)
2582 {
2583 top_field_first= atoi(arg);
2584 }
2585
2586 static int opt_thread_count(const char *opt, const char *arg)
2587 {
2588 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2589 #if !HAVE_THREADS
2590 if (verbose >= 0)
2591 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2592 #endif
2593 return 0;
2594 }
2595
2596 static void opt_audio_sample_fmt(const char *arg)
2597 {
2598 if (strcmp(arg, "list"))
2599 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2600 else {
2601 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2602 av_exit(0);
2603 }
2604 }
2605
2606 static int opt_audio_rate(const char *opt, const char *arg)
2607 {
2608 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2609 return 0;
2610 }
2611
2612 static int opt_audio_channels(const char *opt, const char *arg)
2613 {
2614 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2615 return 0;
2616 }
2617
2618 static void opt_video_channel(const char *arg)
2619 {
2620 video_channel = strtol(arg, NULL, 0);
2621 }
2622
2623 static void opt_video_standard(const char *arg)
2624 {
2625 video_standard = av_strdup(arg);
2626 }
2627
2628 static void opt_codec(int *pstream_copy, char **pcodec_name,
2629 int codec_type, const char *arg)
2630 {
2631 av_freep(pcodec_name);
2632 if (!strcmp(arg, "copy")) {
2633 *pstream_copy = 1;
2634 } else {
2635 *pcodec_name = av_strdup(arg);
2636 }
2637 }
2638
2639 static void opt_audio_codec(const char *arg)
2640 {
2641 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2642 }
2643
2644 static void opt_audio_tag(const char *arg)
2645 {
2646 char *tail;
2647 audio_codec_tag= strtol(arg, &tail, 0);
2648
2649 if(!tail || *tail)
2650 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2651 }
2652
2653 static void opt_video_tag(const char *arg)
2654 {
2655 char *tail;
2656 video_codec_tag= strtol(arg, &tail, 0);
2657
2658 if(!tail || *tail)
2659 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2660 }
2661
2662 static void opt_video_codec(const char *arg)
2663 {
2664 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2665 }
2666
2667 static void opt_subtitle_codec(const char *arg)
2668 {
2669 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2670 }
2671
2672 static void opt_subtitle_tag(const char *arg)
2673 {
2674 char *tail;
2675 subtitle_codec_tag= strtol(arg, &tail, 0);
2676
2677 if(!tail || *tail)
2678 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2679 }
2680
2681 static void opt_map(const char *arg)
2682 {
2683 AVStreamMap *m;
2684 char *p;
2685
2686 m = &stream_maps[nb_stream_maps++];
2687
2688 m->file_index = strtol(arg, &p, 0);
2689 if (*p)
2690 p++;
2691
2692 m->stream_index = strtol(p, &p, 0);
2693 if (*p) {
2694 p++;
2695 m->sync_file_index = strtol(p, &p, 0);
2696 if (*p)
2697 p++;
2698 m->sync_stream_index = strtol(p, &p, 0);
2699 } else {
2700 m->sync_file_index = m->file_index;
2701 m->sync_stream_index = m->stream_index;
2702 }
2703 }
2704
2705 static void opt_map_meta_data(const char *arg)
2706 {
2707 AVMetaDataMap *m;
2708 char *p;
2709
2710 m = &meta_data_maps[nb_meta_data_maps++];
2711
2712 m->out_file = strtol(arg, &p, 0);
2713 if (*p)
2714 p++;
2715
2716 m->in_file = strtol(p, &p, 0);
2717 }
2718
2719 static void opt_input_ts_scale(const char *arg)
2720 {
2721 unsigned int stream;
2722 double scale;
2723 char *p;
2724
2725 stream = strtol(arg, &p, 0);
2726 if (*p)
2727 p++;
2728 scale= strtod(p, &p);
2729
2730 if(stream >= MAX_STREAMS)
2731 av_exit(1);
2732
2733 input_files_ts_scale[nb_input_files][stream]= scale;
2734 }
2735
2736 static int opt_recording_time(const char *opt, const char *arg)
2737 {
2738 recording_time = parse_time_or_die(opt, arg, 1);
2739 return 0;
2740 }
2741
2742 static int opt_start_time(const char *opt, const char *arg)
2743 {
2744 start_time = parse_time_or_die(opt, arg, 1);
2745 return 0;
2746 }
2747
2748 static int opt_rec_timestamp(const char *opt, const char *arg)
2749 {
2750 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2751 return 0;
2752 }
2753
2754 static int opt_input_ts_offset(const char *opt, const char *arg)
2755 {
2756 input_ts_offset = parse_time_or_die(opt, arg, 1);
2757 return 0;
2758 }
2759
2760 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2761 {
2762 const char *codec_string = encoder ? "encoder" : "decoder";
2763 AVCodec *codec;
2764
2765 if(!name)
2766 return CODEC_ID_NONE;
2767 codec = encoder ?
2768 avcodec_find_encoder_by_name(name) :
2769 avcodec_find_decoder_by_name(name);
2770 if(!codec) {
2771 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2772 av_exit(1);
2773 }
2774 if(codec->type != type) {
2775 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2776 av_exit(1);
2777 }
2778 return codec->id;
2779 }
2780
2781 static void opt_input_file(const char *filename)
2782 {
2783 AVFormatContext *ic;
2784 AVFormatParameters params, *ap = &params;
2785 int err, i, ret, rfps, rfps_base;
2786 int64_t timestamp;
2787
2788 if (!strcmp(filename, "-"))
2789 filename = "pipe:";
2790
2791 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2792 !strcmp(filename, "/dev/stdin");
2793
2794 /* get default parameters from command line */
2795 ic = avformat_alloc_context();
2796
2797 memset(ap, 0, sizeof(*ap));
2798 ap->prealloced_context = 1;
2799 ap->sample_rate = audio_sample_rate;
2800 ap->channels = audio_channels;
2801 ap->time_base.den = frame_rate.num;
2802 ap->time_base.num = frame_rate.den;
2803 ap->width = frame_width + frame_padleft + frame_padright;
2804 ap->height = frame_height + frame_padtop + frame_padbottom;
2805 ap->pix_fmt = frame_pix_fmt;
2806 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2807 ap->channel = video_channel;
2808 ap->standard = video_standard;
2809 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2810 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2811 if(pgmyuv_compatibility_hack)
2812 ap->video_codec_id= CODEC_ID_PGMYUV;
2813
2814 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2815
2816 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2817 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2818 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2819 ic->flags |= AVFMT_FLAG_NONBLOCK;
2820
2821 /* open the input file with generic libav function */
2822 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2823 if (err < 0) {
2824 print_error(filename, err);
2825 av_exit(1);
2826 }
2827 if(opt_programid) {
2828 int i;
2829 for(i=0; i<ic->nb_programs; i++)
2830 if(ic->programs[i]->id != opt_programid)
2831 ic->programs[i]->discard = AVDISCARD_ALL;
2832 }
2833
2834 ic->loop_input = loop_input;
2835
2836 /* If not enough info to get the stream parameters, we decode the
2837 first frames to get it. (used in mpeg case for example) */
2838 ret = av_find_stream_info(ic);
2839 if (ret < 0 && verbose >= 0) {
2840 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2841 av_exit(1);
2842 }
2843
2844 timestamp = start_time;
2845 /* add the stream start time */
2846 if (ic->start_time != AV_NOPTS_VALUE)
2847 timestamp += ic->start_time;
2848
2849 /* if seeking requested, we execute it */
2850 if (start_time != 0) {
2851 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2852 if (ret < 0) {
2853 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2854 filename, (double)timestamp / AV_TIME_BASE);
2855 }
2856 /* reset seek info */
2857 start_time = 0;
2858 }
2859
2860 /* update the current parameters so that they match the one of the input stream */
2861 for(i=0;i<ic->nb_streams;i++) {
2862 AVCodecContext *enc = ic->streams[i]->codec;
2863 if(thread_count>1)
2864 avcodec_thread_init(enc, thread_count);
2865 enc->thread_count= thread_count;
2866 switch(enc->codec_type) {
2867 case CODEC_TYPE_AUDIO:
2868 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2869 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2870 channel_layout = enc->channel_layout;
2871 audio_channels = enc->channels;
2872 audio_sample_rate = enc->sample_rate;
2873 audio_sample_fmt = enc->sample_fmt;
2874 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2875 if(audio_disable)
2876 ic->streams[i]->discard= AVDISCARD_ALL;
2877 break;
2878 case CODEC_TYPE_VIDEO:
2879 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2880 frame_height = enc->height;
2881 frame_width = enc->width;
2882 if(ic->streams[i]->sample_aspect_ratio.num)
2883 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2884 else
2885 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2886 frame_aspect_ratio *= (float) enc->width / enc->height;
2887 frame_pix_fmt = enc->pix_fmt;
2888 rfps = ic->streams[i]->r_frame_rate.num;
2889 rfps_base = ic->streams[i]->r_frame_rate.den;
2890 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2891 if(me_threshold)
2892 enc->debug |= FF_DEBUG_MV;
2893
2894 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2895
2896 if (verbose >= 0)
2897 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2898 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2899
2900 (float)rfps / rfps_base, rfps, rfps_base);
2901 }
2902 /* update the current frame rate to match the stream frame rate */
2903 frame_rate.num = rfps;
2904 frame_rate.den = rfps_base;
2905
2906 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2907 if(video_disable)
2908 ic->streams[i]->discard= AVDISCARD_ALL;
2909 else if(video_discard)
2910 ic->streams[i]->discard= video_discard;
2911 break;
2912 case CODEC_TYPE_DATA:
2913 break;
2914 case CODEC_TYPE_SUBTITLE:
2915 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2916 if(subtitle_disable)
2917 ic->streams[i]->discard = AVDISCARD_ALL;
2918 break;
2919 case CODEC_TYPE_ATTACHMENT:
2920 case CODEC_TYPE_UNKNOWN:
2921 nb_icodecs++;
2922 break;
2923 default:
2924 abort();
2925 }
2926 }
2927
2928 input_files[nb_input_files] = ic;
2929 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2930 /* dump the file content */
2931 if (verbose >= 0)
2932 dump_format(ic, nb_input_files, filename, 0);
2933
2934 nb_input_files++;
2935 file_iformat = NULL;
2936 file_oformat = NULL;
2937
2938 video_channel = 0;
2939
2940 av_freep(&video_codec_name);
2941 av_freep(&audio_codec_name);
2942 av_freep(&subtitle_codec_name);
2943 }
2944
2945 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2946 int *has_subtitle_ptr)
2947 {
2948 int has_video, has_audio, has_subtitle, i, j;
2949 AVFormatContext *ic;
2950
2951 has_video = 0;
2952 has_audio = 0;
2953 has_subtitle = 0;
2954 for(j=0;j<nb_input_files;j++) {
2955 ic = input_files[j];
2956 for(i=0;i<ic->nb_streams;i++) {
2957 AVCodecContext *enc = ic->streams[i]->codec;
2958 switch(enc->codec_type) {
2959 case CODEC_TYPE_AUDIO:
2960 has_audio = 1;
2961 break;
2962 case CODEC_TYPE_VIDEO:
2963 has_video = 1;
2964 break;
2965 case CODEC_TYPE_SUBTITLE:
2966 has_subtitle = 1;
2967 break;
2968 case CODEC_TYPE_DATA:
2969 case CODEC_TYPE_ATTACHMENT:
2970 case CODEC_TYPE_UNKNOWN:
2971 break;
2972 default:
2973 abort();
2974 }
2975 }
2976 }
2977 *has_video_ptr = has_video;
2978 *has_audio_ptr = has_audio;
2979 *has_subtitle_ptr = has_subtitle;
2980 }
2981
2982 static void new_video_stream(AVFormatContext *oc)
2983 {
2984 AVStream *st;
2985 AVCodecContext *video_enc;
2986 int codec_id;
2987
2988 st = av_new_stream(oc, oc->nb_streams);
2989 if (!st) {
2990 fprintf(stderr, "Could not alloc stream\n");
2991 av_exit(1);
2992 }
2993 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2994 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2995 video_bitstream_filters= NULL;
2996
2997 if(thread_count>1)
2998 avcodec_thread_init(st->codec, thread_count);
2999
3000 video_enc = st->codec;
3001
3002 if(video_codec_tag)
3003 video_enc->codec_tag= video_codec_tag;
3004
3005 if( (video_global_header&1)
3006 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3007 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3008 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3009 }
3010 if(video_global_header&2){
3011 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3012 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3013 }
3014
3015 if (video_stream_copy) {
3016 st->stream_copy = 1;
3017 video_enc->codec_type = CODEC_TYPE_VIDEO;
3018 video_enc->sample_aspect_ratio =
3019 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3020 } else {
3021 const char *p;
3022 int i;
3023 AVCodec *codec;
3024 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3025
3026 if (video_codec_name) {
3027 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3028 codec = avcodec_find_encoder_by_name(video_codec_name);
3029 output_codecs[nb_ocodecs] = codec;
3030 } else {
3031 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3032 codec = avcodec_find_encoder(codec_id);
3033 }
3034
3035 video_enc->codec_id = codec_id;
3036
3037 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3038
3039 if (codec && codec->supported_framerates && !force_fps)
3040 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3041 video_enc->time_base.den = fps.num;
3042 video_enc->time_base.num = fps.den;
3043
3044 video_enc->width = frame_width + frame_padright + frame_padleft;
3045 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3046 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3047 video_enc->pix_fmt = frame_pix_fmt;
3048 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3049
3050 if(codec && codec->pix_fmts){
3051 const enum PixelFormat *p= codec->pix_fmts;
3052 for(; *p!=-1; p++){
3053 if(*p == video_enc->pix_fmt)
3054 break;
3055 }
3056 if(*p == -1)
3057 video_enc->pix_fmt = codec->pix_fmts[0];
3058 }
3059
3060 if (intra_only)
3061 video_enc->gop_size = 0;
3062 if (video_qscale || same_quality) {
3063 video_enc->flags |= CODEC_FLAG_QSCALE;
3064 video_enc->global_quality=
3065 st->quality = FF_QP2LAMBDA * video_qscale;
3066 }
3067
3068 if(intra_matrix)
3069 video_enc->intra_matrix = intra_matrix;
3070 if(inter_matrix)
3071 video_enc->inter_matrix = inter_matrix;
3072
3073 video_enc->thread_count = thread_count;
3074 p= video_rc_override_string;
3075 for(i=0; p; i++){
3076 int start, end, q;
3077 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3078 if(e!=3){
3079 fprintf(stderr, "error parsing rc_override\n");
3080 av_exit(1);
3081 }
3082 video_enc->rc_override=
3083 av_realloc(video_enc->rc_override,
3084 sizeof(RcOverride)*(i+1));
3085 video_enc->rc_override[i].start_frame= start;
3086 video_enc->rc_override[i].end_frame = end;
3087 if(q>0){
3088 video_enc->rc_override[i].qscale= q;
3089 video_enc->rc_override[i].quality_factor= 1.0;
3090 }
3091 else{
3092 video_enc->rc_override[i].qscale= 0;
3093 video_enc->rc_override[i].quality_factor= -q/100.0;
3094 }
3095 p= strchr(p, '/');
3096 if(p) p++;
3097 }
3098 video_enc->rc_override_count=i;
3099 if (!video_enc->rc_initial_buffer_occupancy)
3100 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3101 video_enc->me_threshold= me_threshold;
3102 video_enc->intra_dc_precision= intra_dc_precision - 8;
3103
3104 if (do_psnr)
3105 video_enc->flags|= CODEC_FLAG_PSNR;
3106
3107 /* two pass mode */
3108 if (do_pass) {
3109 if (do_pass == 1) {
3110 video_enc->flags |= CODEC_FLAG_PASS1;
3111 } else {
3112 video_enc->flags |= CODEC_FLAG_PASS2;
3113 }
3114 }
3115 }
3116 nb_ocodecs++;
3117
3118 /* reset some key parameters */
3119 video_disable = 0;
3120 av_freep(&video_codec_name);
3121 video_stream_copy = 0;
3122 }
3123
3124 static void new_audio_stream(AVFormatContext *oc)
3125 {
3126 AVStream *st;
3127 AVCodecContext *audio_enc;
3128 int codec_id;
3129
3130 st = av_new_stream(oc, oc->nb_streams);
3131 if (!st) {
3132 fprintf(stderr, "Could not alloc stream\n");
3133 av_exit(1);
3134 }
3135 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3136
3137 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3138 audio_bitstream_filters= NULL;
3139
3140 if(thread_count>1)
3141 avcodec_thread_init(st->codec, thread_count);
3142
3143 audio_enc = st->codec;
3144 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3145
3146 if(audio_codec_tag)
3147 audio_enc->codec_tag= audio_codec_tag;
3148
3149 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3150 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3151 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3152 }
3153 if (audio_stream_copy) {
3154 st->stream_copy = 1;
3155 audio_enc->channels = audio_channels;
3156 } else {
3157 AVCodec *codec;
3158
3159 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3160
3161 if (audio_codec_name) {
3162 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3163 codec = avcodec_find_encoder_by_name(audio_codec_name);
3164 output_codecs[nb_ocodecs] = codec;
3165 } else {
3166 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3167 codec = avcodec_find_encoder(codec_id);
3168 }
3169 audio_enc->codec_id = codec_id;
3170
3171 if (audio_qscale > QSCALE_NONE) {
3172 audio_enc->flags |= CODEC_FLAG_QSCALE;
3173 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3174 }
3175 audio_enc->thread_count = thread_count;
3176 audio_enc->channels = audio_channels;
3177 audio_enc->sample_fmt = audio_sample_fmt;
3178 audio_enc->channel_layout = channel_layout;
3179 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3180 audio_enc->channel_layout = 0;
3181
3182 if(codec && codec->sample_fmts){
3183 const enum SampleFormat *p= codec->sample_fmts;
3184 for(; *p!=-1; p++){
3185 if(*p == audio_enc->sample_fmt)
3186 break;
3187 }
3188 if(*p == -1)
3189 audio_enc->sample_fmt = codec->sample_fmts[0];
3190 }
3191 }
3192 nb_ocodecs++;
3193 audio_enc->sample_rate = audio_sample_rate;
3194 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3195 if (audio_language) {
3196 av_metadata_set(&st->metadata, "language", audio_language);
3197 av_free(audio_language);
3198 audio_language = NULL;
3199 }
3200
3201 /* reset some key parameters */
3202 audio_disable = 0;
3203 av_freep(&audio_codec_name);
3204 audio_stream_copy = 0;
3205 }
3206
3207 static void new_subtitle_stream(AVFormatContext *oc)
3208 {
3209 AVStream *st;
3210 AVCodecContext *subtitle_enc;
3211
3212 st = av_new_stream(oc, oc->nb_streams);
3213 if (!st) {
3214 fprintf(stderr, "Could not alloc stream\n");
3215 av_exit(1);
3216 }
3217 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3218
3219 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3220 subtitle_bitstream_filters= NULL;
3221
3222 subtitle_enc = st->codec;
3223 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3224
3225 if(subtitle_codec_tag)
3226 subtitle_enc->codec_tag= subtitle_codec_tag;
3227
3228 if (subtitle_stream_copy) {
3229 st->stream_copy = 1;
3230 } else {
3231 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3232 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3233 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3234 }
3235 nb_ocodecs++;
3236
3237 if (subtitle_language) {
3238 av_metadata_set(&st->metadata, "language", subtitle_language);
3239 av_free(subtitle_language);
3240 subtitle_language = NULL;
3241 }
3242
3243 subtitle_disable = 0;
3244 av_freep(&subtitle_codec_name);
3245 subtitle_stream_copy = 0;
3246 }
3247
3248 static void opt_new_audio_stream(void)
3249 {
3250 AVFormatContext *oc;
3251 if (nb_output_files <= 0) {
3252 fprintf(stderr, "At least one output file must be specified\n");
3253 av_exit(1);
3254 }
3255 oc = output_files[nb_output_files - 1];
3256 new_audio_stream(oc);
3257 }
3258
3259 static void opt_new_video_stream(void)
3260 {
3261 AVFormatContext *oc;
3262 if (nb_output_files <= 0) {
3263 fprintf(stderr, "At least one output file must be specified\n");
3264 av_exit(1);
3265 }
3266 oc = output_files[nb_output_files - 1];
3267 new_video_stream(oc);
3268 }
3269
3270 static void opt_new_subtitle_stream(void)
3271 {
3272 AVFormatContext *oc;
3273 if (nb_output_files <= 0) {
3274 fprintf(stderr, "At least one output file must be specified\n");
3275 av_exit(1);
3276 }
3277 oc = output_files[nb_output_files - 1];
3278 new_subtitle_stream(oc);
3279 }
3280
3281 static void opt_output_file(const char *filename)
3282 {
3283 AVFormatContext *oc;
3284 int use_video, use_audio, use_subtitle;
3285 int input_has_video, input_has_audio, input_has_subtitle;
3286 AVFormatParameters params, *ap = &params;
3287
3288 if (!strcmp(filename, "-"))
3289 filename = "pipe:";
3290
3291 oc = avformat_alloc_context();
3292
3293 if (!file_oformat) {
3294 file_oformat = guess_format(NULL, filename, NULL);
3295 if (!file_oformat) {
3296 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3297 filename);
3298 av_exit(1);
3299 }
3300 }
3301
3302 oc->oformat = file_oformat;
3303 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3304
3305 if (!strcmp(file_oformat->name, "ffm") &&
3306 av_strstart(filename, "http:", NULL)) {
3307 /* special case for files sent to ffserver: we get the stream
3308 parameters from ffserver */
3309 int err = read_ffserver_streams(oc, filename);
3310 if (err < 0) {
3311 print_error(filename, err);
3312 av_exit(1);
3313 }
3314 } else {
3315 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3316 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3317 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3318
3319 /* disable if no corresponding type found and at least one
3320 input file */
3321 if (nb_input_files > 0) {
3322 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3323 &input_has_subtitle);
3324 if (!input_has_video)
3325 use_video = 0;
3326 if (!input_has_audio)
3327 use_audio = 0;
3328 if (!input_has_subtitle)
3329 use_subtitle = 0;
3330 }
3331
3332 /* manual disable */
3333 if (audio_disable) {
3334 use_audio = 0;
3335 }
3336 if (video_disable) {
3337 use_video = 0;
3338 }
3339 if (subtitle_disable) {
3340 use_subtitle = 0;
3341 }
3342
3343 if (use_video) {
3344 new_video_stream(oc);
3345 }
3346
3347 if (use_audio) {
3348 new_audio_stream(oc);
3349 }
3350
3351 if (use_subtitle) {
3352 new_subtitle_stream(oc);
3353 }
3354
3355 oc->timestamp = rec_timestamp;
3356
3357 for(; metadata_count>0; metadata_count--){
3358 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3359 metadata[metadata_count-1].value);
3360 }
3361 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3362 }
3363
3364 output_files[nb_output_files++] = oc;
3365
3366 /* check filename in case of an image number is expected */
3367 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3368 if (!av_filename_number_test(oc->filename)) {
3369 print_error(oc->filename, AVERROR_NUMEXPECTED);
3370 av_exit(1);
3371 }
3372 }
3373
3374 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3375 /* test if it already exists to avoid loosing precious files */
3376 if (!file_overwrite &&
3377 (strchr(filename, ':') == NULL ||
3378 filename[1] == ':' ||
3379 av_strstart(filename, "file:", NULL))) {
3380 if (url_exist(filename)) {
3381 if (!using_stdin) {
3382 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3383 fflush(stderr);
3384 if (!read_yesno()) {
3385 fprintf(stderr, "Not overwriting - exiting\n");
3386 av_exit(1);
3387 }
3388 }
3389 else {
3390 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3391 av_exit(1);
3392 }
3393 }
3394 }
3395
3396 /* open the file */
3397 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3398 fprintf(stderr, "Could not open '%s'\n", filename);
3399 av_exit(1);
3400 }
3401 }
3402
3403 memset(ap, 0, sizeof(*ap));
3404 if (av_set_parameters(oc, ap) < 0) {
3405 fprintf(stderr, "%s: Invalid encoding parameters\n",
3406 oc->filename);
3407 av_exit(1);
3408 }
3409
3410 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3411 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3412 oc->loop_output = loop_output;
3413 oc->flags |= AVFMT_FLAG_NONBLOCK;
3414
3415 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3416
3417 /* reset some options */
3418 file_oformat = NULL;
3419 file_iformat = NULL;
3420 }
3421
3422 /* same option as mencoder */
3423 static void opt_pass(const char *pass_str)
3424 {
3425 int pass;
3426 pass = atoi(pass_str);
3427 if (pass != 1 && pass != 2) {
3428 fprintf(stderr, "pass number can be only 1 or 2\n");
3429 av_exit(1);
3430 }
3431 do_pass = pass;
3432 }
3433
3434 static int64_t getutime(void)
3435 {
3436 #if HAVE_GETRUSAGE
3437 struct rusage rusage;
3438
3439 getrusage(RUSAGE_SELF, &rusage);
3440 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3441 #elif HAVE_GETPROCESSTIMES
3442 HANDLE proc;
3443 FILETIME c, e, k, u;
3444 proc = GetCurrentProcess();
3445 GetProcessTimes(proc, &c, &e, &k, &u);
3446 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3447 #else
3448 return av_gettime();
3449 #endif
3450 }
3451
3452 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3453 {
3454 int i;
3455 const char *p = str;
3456 for(i = 0;; i++) {
3457 dest[i] = atoi(p);
3458 if(i == 63)
3459 break;
3460 p = strchr(p, ',');
3461 if(!p) {
3462 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3463 av_exit(1);
3464 }
3465 p++;
3466 }
3467 }
3468
3469 static void opt_inter_matrix(const char *arg)
3470 {
3471 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3472 parse_matrix_coeffs(inter_matrix, arg);
3473 }
3474
3475 static void opt_intra_matrix(const char *arg)
3476 {
3477 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3478 parse_matrix_coeffs(intra_matrix, arg);
3479 }
3480
3481 /**
3482 * Trivial log callback.
3483 * Only suitable for show_help and similar since it lacks prefix handling.
3484 */
3485 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3486 {
3487 vfprintf(stdout, fmt, vl);
3488 }
3489
3490 static void show_help(void)
3491 {
3492 av_log_set_callback(log_callback_help);
3493 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3494 "Hyper fast Audio and Video encoder\n");
3495 printf("\n");
3496 show_help_options(options, "Main options:\n",
3497 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3498 show_help_options(options, "\nAdvanced options:\n",
3499 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3500 OPT_EXPERT);
3501 show_help_options(options, "\nVideo options:\n",
3502 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3503 OPT_VIDEO);
3504 show_help_options(options, "\nAdvanced Video options:\n",
3505 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3506 OPT_VIDEO | OPT_EXPERT);
3507 show_help_options(options, "\nAudio options:\n",
3508 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3509 OPT_AUDIO);
3510 show_help_options(options, "\nAdvanced Audio options:\n",
3511 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3512 OPT_AUDIO | OPT_EXPERT);
3513 show_help_options(options, "\nSubtitle options:\n",
3514 OPT_SUBTITLE | OPT_GRAB,
3515 OPT_SUBTITLE);
3516 show_help_options(options, "\nAudio/Video grab options:\n",
3517 OPT_GRAB,
3518 OPT_GRAB);
3519 printf("\n");
3520 av_opt_show(avcodec_opts[0], NULL);
3521 printf("\n");
3522 av_opt_show(avformat_opts, NULL);
3523 printf("\n");
3524 av_opt_show(sws_opts, NULL);
3525 }
3526
3527 static void opt_target(const char *arg)
3528 {
3529 int norm = -1;
3530 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3531
3532 if(!strncmp(arg, "pal-", 4)) {
3533 norm = 0;
3534 arg += 4;
3535 } else if(!strncmp(arg, "ntsc-", 5)) {
3536 norm = 1;
3537 arg += 5;
3538 } else if(!strncmp(arg, "film-", 5)) {
3539 norm = 2;
3540 arg += 5;
3541 } else {
3542 int fr;
3543 /* Calculate FR via float to avoid int overflow */
3544 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3545 if(fr == 25000) {
3546 norm = 0;
3547 } else if((fr == 29970) || (fr == 23976)) {
3548 norm = 1;
3549 } else {
3550 /* Try to determine PAL/NTSC by peeking in the input files */
3551 if(nb_input_files) {
3552 int i, j;
3553 for(j = 0; j < nb_input_files; j++) {
3554 for(i = 0; i < input_files[j]->nb_streams; i++) {
3555 AVCodecContext *c = input_files[j]->streams[i]->codec;
3556 if(c->codec_type != CODEC_TYPE_VIDEO)
3557 continue;
3558 fr = c->time_base.den * 1000 / c->time_base.num;
3559 if(fr == 25000) {
3560 norm = 0;
3561 break;
3562 } else if((fr == 29970) || (fr == 23976)) {
3563 norm = 1;
3564 break;
3565 }
3566 }
3567 if(norm >= 0)
3568 break;
3569 }
3570 }
3571 }
3572 if(verbose && norm >= 0)
3573 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3574 }
3575
3576 if(norm < 0) {
3577 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3578 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3579 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3580 av_exit(1);
3581 }
3582
3583 if(!strcmp(arg, "vcd")) {
3584
3585 opt_video_codec("mpeg1video");
3586 opt_audio_codec("mp2");
3587 opt_format("vcd");
3588
3589 opt_frame_size(norm ? "352x240" : "352x288");
3590 opt_frame_rate(NULL, frame_rates[norm]);
3591 opt_default("gop", norm ? "18" : "15");
3592
3593 opt_default("b", "1150000");
3594 opt_default("maxrate", "1150000");
3595 opt_default("minrate", "1150000");
3596 opt_default("bufsize", "327680"); // 40*1024*8;
3597
3598 opt_default("ab", "224000");
3599 audio_sample_rate = 44100;
3600 audio_channels = 2;
3601
3602 opt_default("packetsize", "2324");
3603 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3604
3605 /* We have to offset the PTS, so that it is consistent with the SCR.
3606 SCR starts at 36000, but the first two packs contain only padding
3607 and the first pack from the other stream, respectively, may also have
3608 been written before.
3609 So the real data starts at SCR 36000+3*1200. */
3610 mux_preload= (36000+3*1200) / 90000.0; //0.44
3611 } else if(!strcmp(arg, "svcd")) {
3612
3613 opt_video_codec("mpeg2video");
3614 opt_audio_codec("mp2");
3615 opt_format("svcd");
3616
3617 opt_frame_size(norm ? "480x480" : "480x576");
3618 opt_frame_rate(NULL, frame_rates[norm]);
3619 opt_default("gop", norm ? "18" : "15");
3620
3621 opt_default("b", "2040000");
3622 opt_default("maxrate", "2516000");
3623 opt_default("minrate", "0"); //1145000;
3624 opt_default("bufsize", "1835008"); //224*1024*8;
3625 opt_default("flags", "+scan_offset");
3626
3627
3628 opt_default("ab", "224000");
3629 audio_sample_rate = 44100;
3630
3631 opt_default("packetsize", "2324");
3632
3633 } else if(!strcmp(arg, "dvd")) {
3634
3635 opt_video_codec("mpeg2video");
3636 opt_audio_codec("ac3");
3637 opt_format("dvd");
3638
3639 opt_frame_size(norm ? "720x480" : "720x576");
3640 opt_frame_rate(NULL, frame_rates[norm]);
3641 opt_default("gop", norm ? "18" : "15");
3642
3643 opt_default("b", "6000000");
3644 opt_default("maxrate", "9000000");
3645 opt_default("minrate", "0"); //1500000;
3646 opt_default("bufsize", "1835008"); //224*1024*8;
3647
3648 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3649 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3650
3651 opt_default("ab", "448000");
3652 audio_sample_rate = 48000;
3653
3654 } else if(!strncmp(arg, "dv", 2)) {
3655
3656 opt_format("dv");
3657
3658 opt_frame_size(norm ? "720x480" : "720x576");
3659 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3660 (norm ? "yuv411p" : "yuv420p"));
3661 opt_frame_rate(NULL, frame_rates[norm]);
3662
3663 audio_sample_rate = 48000;
3664 audio_channels = 2;
3665
3666 } else {
3667 fprintf(stderr, "Unknown target: %s\n", arg);
3668 av_exit(1);
3669 }
3670 }
3671
3672 static void opt_vstats_file (const char *arg)
3673 {
3674 av_free (vstats_filename);
3675 vstats_filename=av_strdup (arg);
3676 }
3677
3678 static void opt_vstats (void)
3679 {
3680 char filename[40];
3681 time_t today2 = time(NULL);
3682 struct tm *today = localtime(&today2);
3683
3684 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3685 today->tm_sec);
3686 opt_vstats_file(filename);
3687 }
3688
3689 static int opt_bsf(const char *opt, const char *arg)
3690 {
3691 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3692 AVBitStreamFilterContext **bsfp;
3693
3694 if(!bsfc){
3695 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3696 av_exit(1);
3697 }
3698
3699 bsfp= *opt == 'v' ? &video_bitstream_filters :
3700 *opt == 'a' ? &audio_bitstream_filters :
3701 &subtitle_bitstream_filters;
3702 while(*bsfp)
3703 bsfp= &(*bsfp)->next;
3704
3705 *bsfp= bsfc;
3706
3707 return 0;
3708 }
3709
3710 static int opt_preset(const char *opt, const char *arg)
3711 {
3712 FILE *f=NULL;
3713 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3714 int i;
3715 const char *base[2]= { getenv("HOME"),
3716 FFMPEG_DATADIR,
3717 };
3718
3719 for(i=!base[0]; i<2 && !f; i++){
3720 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3721 f= fopen(filename, "r");
3722 if(!f){
3723 char *codec_name= *opt == 'v' ? video_codec_name :
3724 *opt == 'a' ? audio_codec_name :
3725 subtitle_codec_name;
3726 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3727 f= fopen(filename, "r");
3728 }
3729 }
3730 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3731 is_dos_path(arg))){
3732 av_strlcpy(filename, arg, sizeof(filename));
3733 f= fopen(filename, "r");
3734 }
3735
3736 if(!f){
3737 fprintf(stderr, "File for preset '%s' not found\n", arg);
3738 av_exit(1);
3739 }
3740
3741 while(!feof(f)){
3742 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3743 if(line[0] == '#' && !e)
3744 continue;
3745 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3746 if(e){
3747 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3748 av_exit(1);
3749 }
3750 if(!strcmp(tmp, "acodec")){
3751 opt_audio_codec(tmp2);
3752 }else if(!strcmp(tmp, "vcodec")){
3753 opt_video_codec(tmp2);
3754 }else if(!strcmp(tmp, "scodec")){
3755 opt_subtitle_codec(tmp2);
3756 }else if(opt_default(tmp, tmp2) < 0){
3757 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3758 av_exit(1);
3759 }
3760 }
3761
3762 fclose(f);
3763
3764 return 0;
3765 }
3766
3767 static const OptionDef options[] = {
3768 /* main options */
3769 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3770 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3771 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3772 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3773 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3774 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3775 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3776 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3777 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3778 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3779 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3780 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3781 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3782 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3783 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3784 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3785 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3786 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3787 "add timings for benchmarking" },
3788 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3789 "dump each input packet" },
3790 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3791 "when dumping packets, also dump the payload" },
3792 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3793 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3794 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3795 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3796 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3797 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3798 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3799 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3800 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3801 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3802 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3803 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3804 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3805 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3806 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3807 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3808 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
3809
3810 /* video options */
3811 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3812 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3813 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3814 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3815 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3816 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3817 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
3818 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3819 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3820 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3821 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3822 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3823 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3824 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3825 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3826 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3827 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3828 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3829 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3830 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3831 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3832 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3833 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3834 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3835 "use same video quality as source (implies VBR)" },
3836 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3837 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3838 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3839 "deinterlace pictures" },
3840 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3841 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3842 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3843 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3844 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3845 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3846 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3847 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3848 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3849 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3850 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3851
3852 /* audio options */
3853 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3854 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3855 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3856 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3857 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3858 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3859 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3860 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3861 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3862 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3863 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3864 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
3865
3866 /* subtitle options */
3867 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3868 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3869 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3870 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3871 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3872
3873 /* grab options */
3874 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3875 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3876 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3877
3878 /* muxer options */
3879 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3880 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3881
3882 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3883 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3884 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3885
3886 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3887 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3888 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3889
3890 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3891 { NULL, },
3892 };
3893
3894 int main(int argc, char **argv)
3895 {
3896 int i;
3897 int64_t ti;
3898
3899 avcodec_register_all();
3900 avdevice_register_all();
3901 av_register_all();
3902
3903 if(isatty(STDIN_FILENO))
3904 url_set_interrupt_cb(decode_interrupt_cb);
3905
3906 for(i=0; i<CODEC_TYPE_NB; i++){
3907 avcodec_opts[i]= avcodec_alloc_context2(i);
3908 }
3909 avformat_opts = avformat_alloc_context();
3910 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3911
3912 show_banner();
3913
3914 /* parse options */
3915 parse_options(argc, argv, options, opt_output_file);
3916
3917 /* file converter / grab */
3918 if (nb_output_files <= 0) {
3919 fprintf(stderr, "At least one output file must be specified\n");
3920 av_exit(1);
3921 }
3922
3923 if (nb_input_files == 0) {
3924 fprintf(stderr, "At least one input file must be specified\n");
3925 av_exit(1);
3926 }
3927
3928 ti = getutime();
3929 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3930 stream_maps, nb_stream_maps) < 0)
3931 av_exit(1);
3932 ti = getutime() - ti;
3933 if (do_benchmark) {
3934 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3935 }
3936
3937 return av_exit(0);
3938 }
ffmpeg Lagarith lossless decoder