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Remove even condition on pad and crop.
[ffmpeg-lucabe.git] / ffmpeg.c
blob1c734c3f846da65b5f23c102eae1c0b651a7ce39
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 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1822 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1823 ost->video_resample = ((codec->width != icodec->width -
1824 (frame_leftBand + frame_rightBand) +
1825 (frame_padleft + frame_padright)) ||
1826 (codec->height != icodec->height -
1827 (frame_topBand + frame_bottomBand) +
1828 (frame_padtop + frame_padbottom)) ||
1829 (codec->pix_fmt != icodec->pix_fmt));
1830 if (ost->video_crop) {
1831 ost->topBand = frame_topBand;
1832 ost->leftBand = frame_leftBand;
1833 }
1834 if (ost->video_pad) {
1835 ost->padtop = frame_padtop;
1836 ost->padleft = frame_padleft;
1837 ost->padbottom = frame_padbottom;
1838 ost->padright = frame_padright;
1839 if (!ost->video_resample) {
1840 avcodec_get_frame_defaults(&ost->pict_tmp);
1841 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1842 codec->width, codec->height))
1843 goto fail;
1844 }
1845 }
1846 if (ost->video_resample) {
1847 avcodec_get_frame_defaults(&ost->pict_tmp);
1848 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1849 codec->width, codec->height)) {
1850 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1851 av_exit(1);
1852 }
1853 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1854 ost->img_resample_ctx = sws_getContext(
1855 icodec->width - (frame_leftBand + frame_rightBand),
1856 icodec->height - (frame_topBand + frame_bottomBand),
1857 icodec->pix_fmt,
1858 codec->width - (frame_padleft + frame_padright),
1859 codec->height - (frame_padtop + frame_padbottom),
1860 codec->pix_fmt,
1861 sws_flags, NULL, NULL, NULL);
1862 if (ost->img_resample_ctx == NULL) {
1863 fprintf(stderr, "Cannot get resampling context\n");
1864 av_exit(1);
1865 }
1866 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1867 codec->bits_per_raw_sample= 0;
1868 }
1869 ost->encoding_needed = 1;
1870 ist->decoding_needed = 1;
1871 break;
1872 case CODEC_TYPE_SUBTITLE:
1873 ost->encoding_needed = 1;
1874 ist->decoding_needed = 1;
1875 break;
1876 default:
1877 abort();
1878 break;
1879 }
1880 /* two pass mode */
1881 if (ost->encoding_needed &&
1882 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1883 char logfilename[1024];
1884 FILE *f;
1885 int size;
1886 char *logbuffer;
1887
1888 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1889 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1890 i);
1891 if (codec->flags & CODEC_FLAG_PASS1) {
1892 f = fopen(logfilename, "w");
1893 if (!f) {
1894 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1895 av_exit(1);
1896 }
1897 ost->logfile = f;
1898 } else {
1899 /* read the log file */
1900 f = fopen(logfilename, "r");
1901 if (!f) {
1902 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1903 av_exit(1);
1904 }
1905 fseek(f, 0, SEEK_END);
1906 size = ftell(f);
1907 fseek(f, 0, SEEK_SET);
1908 logbuffer = av_malloc(size + 1);
1909 if (!logbuffer) {
1910 fprintf(stderr, "Could not allocate log buffer\n");
1911 av_exit(1);
1912 }
1913 size = fread(logbuffer, 1, size, f);
1914 fclose(f);
1915 logbuffer[size] = '\0';
1916 codec->stats_in = logbuffer;
1917 }
1918 }
1919 }
1920 if(codec->codec_type == CODEC_TYPE_VIDEO){
1921 int size= codec->width * codec->height;
1922 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1923 }
1924 }
1925
1926 if (!bit_buffer)
1927 bit_buffer = av_malloc(bit_buffer_size);
1928 if (!bit_buffer) {
1929 ret = AVERROR(ENOMEM);
1930 goto fail;
1931 }
1932
1933 /* open each encoder */
1934 for(i=0;i<nb_ostreams;i++) {
1935 ost = ost_table[i];
1936 if (ost->encoding_needed) {
1937 AVCodec *codec = output_codecs[i];
1938 if (!codec)
1939 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1940 if (!codec) {
1941 snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
1942 ost->file_index, ost->index);
1943 ret = AVERROR(EINVAL);
1944 goto dump_format;
1945 }
1946 if (avcodec_open(ost->st->codec, codec) < 0) {
1947 snprintf(error, sizeof(error), "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
1948 ost->file_index, ost->index);
1949 ret = AVERROR(EINVAL);
1950 goto dump_format;
1951 }
1952 extra_size += ost->st->codec->extradata_size;
1953 }
1954 }
1955
1956 /* open each decoder */
1957 for(i=0;i<nb_istreams;i++) {
1958 ist = ist_table[i];
1959 if (ist->decoding_needed) {
1960 AVCodec *codec = input_codecs[i];
1961 if (!codec)
1962 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1963 if (!codec) {
1964 snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
1965 ist->st->codec->codec_id, ist->file_index, ist->index);
1966 ret = AVERROR(EINVAL);
1967 goto dump_format;
1968 }
1969 if (avcodec_open(ist->st->codec, codec) < 0) {
1970 snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
1971 ist->file_index, ist->index);
1972 ret = AVERROR(EINVAL);
1973 goto dump_format;
1974 }
1975 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1976 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1977 }
1978 }
1979
1980 /* init pts */
1981 for(i=0;i<nb_istreams;i++) {
1982 ist = ist_table[i];
1983 ist->pts = 0;
1984 ist->next_pts = AV_NOPTS_VALUE;
1985 ist->is_start = 1;
1986 }
1987
1988 /* set meta data information from input file if required */
1989 for (i=0;i<nb_meta_data_maps;i++) {
1990 AVFormatContext *out_file;
1991 AVFormatContext *in_file;
1992 AVMetadataTag *mtag;
1993
1994 int out_file_index = meta_data_maps[i].out_file;
1995 int in_file_index = meta_data_maps[i].in_file;
1996 if (out_file_index < 0 || out_file_index >= nb_output_files) {
1997 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
1998 out_file_index, out_file_index, in_file_index);
1999 ret = AVERROR(EINVAL);
2000 goto dump_format;
2001 }
2002 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2003 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2004 in_file_index, out_file_index, in_file_index);
2005 ret = AVERROR(EINVAL);
2006 goto dump_format;
2007 }
2008
2009 out_file = output_files[out_file_index];
2010 in_file = input_files[in_file_index];
2011
2012
2013 mtag=NULL;
2014 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2015 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2016 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2017 in_file->iformat->metadata_conv);
2018 }
2019
2020 /* open files and write file headers */
2021 for(i=0;i<nb_output_files;i++) {
2022 os = output_files[i];
2023 if (av_write_header(os) < 0) {
2024 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2025 ret = AVERROR(EINVAL);
2026 goto dump_format;
2027 }
2028 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2029 want_sdp = 0;
2030 }
2031 }
2032
2033 dump_format:
2034 /* dump the file output parameters - cannot be done before in case
2035 of stream copy */
2036 for(i=0;i<nb_output_files;i++) {
2037 dump_format(output_files[i], i, output_files[i]->filename, 1);
2038 }
2039
2040 /* dump the stream mapping */
2041 if (verbose >= 0) {
2042 fprintf(stderr, "Stream mapping:\n");
2043 for(i=0;i<nb_ostreams;i++) {
2044 ost = ost_table[i];
2045 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2046 ist_table[ost->source_index]->file_index,
2047 ist_table[ost->source_index]->index,
2048 ost->file_index,
2049 ost->index);
2050 if (ost->sync_ist != ist_table[ost->source_index])
2051 fprintf(stderr, " [sync #%d.%d]",
2052 ost->sync_ist->file_index,
2053 ost->sync_ist->index);
2054 fprintf(stderr, "\n");
2055 }
2056 }
2057
2058 if (ret) {
2059 fprintf(stderr, "%s\n", error);
2060 goto fail;
2061 }
2062
2063 if (want_sdp) {
2064 print_sdp(output_files, nb_output_files);
2065 }
2066
2067 if (!using_stdin && verbose >= 0) {
2068 fprintf(stderr, "Press [q] to stop encoding\n");
2069 url_set_interrupt_cb(decode_interrupt_cb);
2070 }
2071 term_init();
2072
2073 timer_start = av_gettime();
2074
2075 for(; received_sigterm == 0;) {
2076 int file_index, ist_index;
2077 AVPacket pkt;
2078 double ipts_min;
2079 double opts_min;
2080
2081 redo:
2082 ipts_min= 1e100;
2083 opts_min= 1e100;
2084 /* if 'q' pressed, exits */
2085 if (!using_stdin) {
2086 if (q_pressed)
2087 break;
2088 /* read_key() returns 0 on EOF */
2089 key = read_key();
2090 if (key == 'q')
2091 break;
2092 }
2093
2094 /* select the stream that we must read now by looking at the
2095 smallest output pts */
2096 file_index = -1;
2097 for(i=0;i<nb_ostreams;i++) {
2098 double ipts, opts;
2099 ost = ost_table[i];
2100 os = output_files[ost->file_index];
2101 ist = ist_table[ost->source_index];
2102 if(no_packet[ist->file_index])
2103 continue;
2104 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2105 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2106 else
2107 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2108 ipts = (double)ist->pts;
2109 if (!file_table[ist->file_index].eof_reached){
2110 if(ipts < ipts_min) {
2111 ipts_min = ipts;
2112 if(input_sync ) file_index = ist->file_index;
2113 }
2114 if(opts < opts_min) {
2115 opts_min = opts;
2116 if(!input_sync) file_index = ist->file_index;
2117 }
2118 }
2119 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2120 file_index= -1;
2121 break;
2122 }
2123 }
2124 /* if none, if is finished */
2125 if (file_index < 0) {
2126 if(no_packet_count){
2127 no_packet_count=0;
2128 memset(no_packet, 0, sizeof(no_packet));
2129 usleep(10000);
2130 continue;
2131 }
2132 break;
2133 }
2134
2135 /* finish if recording time exhausted */
2136 if (opts_min >= (recording_time / 1000000.0))
2137 break;
2138
2139 /* finish if limit size exhausted */
2140 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2141 break;
2142
2143 /* read a frame from it and output it in the fifo */
2144 is = input_files[file_index];
2145 ret= av_read_frame(is, &pkt);
2146 if(ret == AVERROR(EAGAIN)){
2147 no_packet[file_index]=1;
2148 no_packet_count++;
2149 continue;
2150 }
2151 if (ret < 0) {
2152 file_table[file_index].eof_reached = 1;
2153 if (opt_shortest)
2154 break;
2155 else
2156 continue;
2157 }
2158
2159 no_packet_count=0;
2160 memset(no_packet, 0, sizeof(no_packet));
2161
2162 if (do_pkt_dump) {
2163 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2164 }
2165 /* the following test is needed in case new streams appear
2166 dynamically in stream : we ignore them */
2167 if (pkt.stream_index >= file_table[file_index].nb_streams)
2168 goto discard_packet;
2169 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2170 ist = ist_table[ist_index];
2171 if (ist->discard)
2172 goto discard_packet;
2173
2174 if (pkt.dts != AV_NOPTS_VALUE)
2175 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2176 if (pkt.pts != AV_NOPTS_VALUE)
2177 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2178
2179 if(input_files_ts_scale[file_index][pkt.stream_index]){
2180 if(pkt.pts != AV_NOPTS_VALUE)
2181 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2182 if(pkt.dts != AV_NOPTS_VALUE)
2183 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2184 }
2185
2186 // 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);
2187 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2188 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2189 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2190 int64_t delta= pkt_dts - ist->next_pts;
2191 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2192 input_files_ts_offset[ist->file_index]-= delta;
2193 if (verbose > 2)
2194 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2195 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2196 if(pkt.pts != AV_NOPTS_VALUE)
2197 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2198 }
2199 }
2200
2201 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2202 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2203
2204 if (verbose >= 0)
2205 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2206 ist->file_index, ist->index);
2207 if (exit_on_error)
2208 av_exit(1);
2209 av_free_packet(&pkt);
2210 goto redo;
2211 }
2212
2213 discard_packet:
2214 av_free_packet(&pkt);
2215
2216 /* dump report by using the output first video and audio streams */
2217 print_report(output_files, ost_table, nb_ostreams, 0);
2218 }
2219
2220 /* at the end of stream, we must flush the decoder buffers */
2221 for(i=0;i<nb_istreams;i++) {
2222 ist = ist_table[i];
2223 if (ist->decoding_needed) {
2224 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2225 }
2226 }
2227
2228 term_exit();
2229
2230 /* write the trailer if needed and close file */
2231 for(i=0;i<nb_output_files;i++) {
2232 os = output_files[i];
2233 av_write_trailer(os);
2234 }
2235
2236 /* dump report by using the first video and audio streams */
2237 print_report(output_files, ost_table, nb_ostreams, 1);
2238
2239 /* close each encoder */
2240 for(i=0;i<nb_ostreams;i++) {
2241 ost = ost_table[i];
2242 if (ost->encoding_needed) {
2243 av_freep(&ost->st->codec->stats_in);
2244 avcodec_close(ost->st->codec);
2245 }
2246 }
2247
2248 /* close each decoder */
2249 for(i=0;i<nb_istreams;i++) {
2250 ist = ist_table[i];
2251 if (ist->decoding_needed) {
2252 avcodec_close(ist->st->codec);
2253 }
2254 }
2255
2256 /* finished ! */
2257 ret = 0;
2258
2259 fail:
2260 av_freep(&bit_buffer);
2261 av_free(file_table);
2262
2263 if (ist_table) {
2264 for(i=0;i<nb_istreams;i++) {
2265 ist = ist_table[i];
2266 av_free(ist);
2267 }
2268 av_free(ist_table);
2269 }
2270 if (ost_table) {
2271 for(i=0;i<nb_ostreams;i++) {
2272 ost = ost_table[i];
2273 if (ost) {
2274 if (ost->logfile) {
2275 fclose(ost->logfile);
2276 ost->logfile = NULL;
2277 }
2278 av_fifo_free(ost->fifo); /* works even if fifo is not
2279 initialized but set to zero */
2280 av_free(ost->pict_tmp.data[0]);
2281 if (ost->video_resample)
2282 sws_freeContext(ost->img_resample_ctx);
2283 if (ost->resample)
2284 audio_resample_close(ost->resample);
2285 if (ost->reformat_ctx)
2286 av_audio_convert_free(ost->reformat_ctx);
2287 av_free(ost);
2288 }
2289 }
2290 av_free(ost_table);
2291 }
2292 return ret;
2293 }
2294
2295 #if 0
2296 int file_read(const char *filename)
2297 {
2298 URLContext *h;
2299 unsigned char buffer[1024];
2300 int len, i;
2301
2302 if (url_open(&h, filename, O_RDONLY) < 0) {
2303 printf("could not open '%s'\n", filename);
2304 return -1;
2305 }
2306 for(;;) {
2307 len = url_read(h, buffer, sizeof(buffer));
2308 if (len <= 0)
2309 break;
2310 for(i=0;i<len;i++) putchar(buffer[i]);
2311 }
2312 url_close(h);
2313 return 0;
2314 }
2315 #endif
2316
2317 static void opt_format(const char *arg)
2318 {
2319 /* compatibility stuff for pgmyuv */
2320 if (!strcmp(arg, "pgmyuv")) {
2321 pgmyuv_compatibility_hack=1;
2322 // opt_image_format(arg);
2323 arg = "image2";
2324 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2325 }
2326
2327 file_iformat = av_find_input_format(arg);
2328 file_oformat = guess_format(arg, NULL, NULL);
2329 if (!file_iformat && !file_oformat) {
2330 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2331 av_exit(1);
2332 }
2333 }
2334
2335 static void opt_video_rc_override_string(const char *arg)
2336 {
2337 video_rc_override_string = arg;
2338 }
2339
2340 static int opt_me_threshold(const char *opt, const char *arg)
2341 {
2342 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2343 return 0;
2344 }
2345
2346 static int opt_loglevel(const char *opt, const char *arg)
2347 {
2348 int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
2349 av_log_set_level(level);
2350 return 0;
2351 }
2352
2353 static int opt_verbose(const char *opt, const char *arg)
2354 {
2355 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2356 return 0;
2357 }
2358
2359 static int opt_frame_rate(const char *opt, const char *arg)
2360 {
2361 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2362 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2363 av_exit(1);
2364 }
2365 return 0;
2366 }
2367
2368 static int opt_bitrate(const char *opt, const char *arg)
2369 {
2370 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2371
2372 opt_default(opt, arg);
2373
2374 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2375 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2376
2377 return 0;
2378 }
2379
2380 static void opt_frame_crop_top(const char *arg)
2381 {
2382 frame_topBand = atoi(arg);
2383 if (frame_topBand < 0) {
2384 fprintf(stderr, "Incorrect top crop size\n");
2385 av_exit(1);
2386 }
2387 if ((frame_topBand) >= frame_height){
2388 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2389 av_exit(1);
2390 }
2391 frame_height -= frame_topBand;
2392 }
2393
2394 static void opt_frame_crop_bottom(const char *arg)
2395 {
2396 frame_bottomBand = atoi(arg);
2397 if (frame_bottomBand < 0) {
2398 fprintf(stderr, "Incorrect bottom crop size\n");
2399 av_exit(1);
2400 }
2401 if ((frame_bottomBand) >= frame_height){
2402 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2403 av_exit(1);
2404 }
2405 frame_height -= frame_bottomBand;
2406 }
2407
2408 static void opt_frame_crop_left(const char *arg)
2409 {
2410 frame_leftBand = atoi(arg);
2411 if (frame_leftBand < 0) {
2412 fprintf(stderr, "Incorrect left crop size\n");
2413 av_exit(1);
2414 }
2415 if ((frame_leftBand) >= frame_width){
2416 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2417 av_exit(1);
2418 }
2419 frame_width -= frame_leftBand;
2420 }
2421
2422 static void opt_frame_crop_right(const char *arg)
2423 {
2424 frame_rightBand = atoi(arg);
2425 if (frame_rightBand < 0) {
2426 fprintf(stderr, "Incorrect right crop size\n");
2427 av_exit(1);
2428 }
2429 if ((frame_rightBand) >= frame_width){
2430 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2431 av_exit(1);
2432 }
2433 frame_width -= frame_rightBand;
2434 }
2435
2436 static void opt_frame_size(const char *arg)
2437 {
2438 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2439 fprintf(stderr, "Incorrect frame size\n");
2440 av_exit(1);
2441 }
2442 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2443 fprintf(stderr, "Frame size must be a multiple of 2\n");
2444 av_exit(1);
2445 }
2446 }
2447
2448 static void opt_pad_color(const char *arg) {
2449 /* Input is expected to be six hex digits similar to
2450 how colors are expressed in html tags (but without the #) */
2451 int rgb = strtol(arg, NULL, 16);
2452 int r,g,b;
2453
2454 r = (rgb >> 16);
2455 g = ((rgb >> 8) & 255);
2456 b = (rgb & 255);
2457
2458 padcolor[0] = RGB_TO_Y(r,g,b);
2459 padcolor[1] = RGB_TO_U(r,g,b,0);
2460 padcolor[2] = RGB_TO_V(r,g,b,0);
2461 }
2462
2463 static void opt_frame_pad_top(const char *arg)
2464 {
2465 frame_padtop = atoi(arg);
2466 if (frame_padtop < 0) {
2467 fprintf(stderr, "Incorrect top pad size\n");
2468 av_exit(1);
2469 }
2470 }
2471
2472 static void opt_frame_pad_bottom(const char *arg)
2473 {
2474 frame_padbottom = atoi(arg);
2475 if (frame_padbottom < 0) {
2476 fprintf(stderr, "Incorrect bottom pad size\n");
2477 av_exit(1);
2478 }
2479 }
2480
2481
2482 static void opt_frame_pad_left(const char *arg)
2483 {
2484 frame_padleft = atoi(arg);
2485 if (frame_padleft < 0) {
2486 fprintf(stderr, "Incorrect left pad size\n");
2487 av_exit(1);
2488 }
2489 }
2490
2491
2492 static void opt_frame_pad_right(const char *arg)
2493 {
2494 frame_padright = atoi(arg);
2495 if (frame_padright < 0) {
2496 fprintf(stderr, "Incorrect right pad size\n");
2497 av_exit(1);
2498 }
2499 }
2500
2501 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2502 {
2503 int i;
2504 char fmt_str[128];
2505 for (i=-1; i < nb_fmts; i++) {
2506 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2507 fprintf(stdout, "%s\n", fmt_str);
2508 }
2509 }
2510
2511 static void opt_frame_pix_fmt(const char *arg)
2512 {
2513 if (strcmp(arg, "list")) {
2514 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2515 if (frame_pix_fmt == PIX_FMT_NONE) {
2516 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2517 av_exit(1);
2518 }
2519 } else {
2520 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2521 av_exit(0);
2522 }
2523 }
2524
2525 static void opt_frame_aspect_ratio(const char *arg)
2526 {
2527 int x = 0, y = 0;
2528 double ar = 0;
2529 const char *p;
2530 char *end;
2531
2532 p = strchr(arg, ':');
2533 if (p) {
2534 x = strtol(arg, &end, 10);
2535 if (end == p)
2536 y = strtol(end+1, &end, 10);
2537 if (x > 0 && y > 0)
2538 ar = (double)x / (double)y;
2539 } else
2540 ar = strtod(arg, NULL);
2541
2542 if (!ar) {
2543 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2544 av_exit(1);
2545 }
2546 frame_aspect_ratio = ar;
2547 }
2548
2549 static int opt_metadata(const char *opt, const char *arg)
2550 {
2551 char *mid= strchr(arg, '=');
2552
2553 if(!mid){
2554 fprintf(stderr, "Missing =\n");
2555 av_exit(1);
2556 }
2557 *mid++= 0;
2558
2559 metadata_count++;
2560 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2561 metadata[metadata_count-1].key = av_strdup(arg);
2562 metadata[metadata_count-1].value= av_strdup(mid);
2563
2564 return 0;
2565 }
2566
2567 static void opt_qscale(const char *arg)
2568 {
2569 video_qscale = atof(arg);
2570 if (video_qscale <= 0 ||
2571 video_qscale > 255) {
2572 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2573 av_exit(1);
2574 }
2575 }
2576
2577 static void opt_top_field_first(const char *arg)
2578 {
2579 top_field_first= atoi(arg);
2580 }
2581
2582 static int opt_thread_count(const char *opt, const char *arg)
2583 {
2584 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2585 #if !HAVE_THREADS
2586 if (verbose >= 0)
2587 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2588 #endif
2589 return 0;
2590 }
2591
2592 static void opt_audio_sample_fmt(const char *arg)
2593 {
2594 if (strcmp(arg, "list"))
2595 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2596 else {
2597 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2598 av_exit(0);
2599 }
2600 }
2601
2602 static int opt_audio_rate(const char *opt, const char *arg)
2603 {
2604 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2605 return 0;
2606 }
2607
2608 static int opt_audio_channels(const char *opt, const char *arg)
2609 {
2610 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2611 return 0;
2612 }
2613
2614 static void opt_video_channel(const char *arg)
2615 {
2616 video_channel = strtol(arg, NULL, 0);
2617 }
2618
2619 static void opt_video_standard(const char *arg)
2620 {
2621 video_standard = av_strdup(arg);
2622 }
2623
2624 static void opt_codec(int *pstream_copy, char **pcodec_name,
2625 int codec_type, const char *arg)
2626 {
2627 av_freep(pcodec_name);
2628 if (!strcmp(arg, "copy")) {
2629 *pstream_copy = 1;
2630 } else {
2631 *pcodec_name = av_strdup(arg);
2632 }
2633 }
2634
2635 static void opt_audio_codec(const char *arg)
2636 {
2637 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2638 }
2639
2640 static void opt_audio_tag(const char *arg)
2641 {
2642 char *tail;
2643 audio_codec_tag= strtol(arg, &tail, 0);
2644
2645 if(!tail || *tail)
2646 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2647 }
2648
2649 static void opt_video_tag(const char *arg)
2650 {
2651 char *tail;
2652 video_codec_tag= strtol(arg, &tail, 0);
2653
2654 if(!tail || *tail)
2655 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2656 }
2657
2658 static void opt_video_codec(const char *arg)
2659 {
2660 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2661 }
2662
2663 static void opt_subtitle_codec(const char *arg)
2664 {
2665 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2666 }
2667
2668 static void opt_subtitle_tag(const char *arg)
2669 {
2670 char *tail;
2671 subtitle_codec_tag= strtol(arg, &tail, 0);
2672
2673 if(!tail || *tail)
2674 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2675 }
2676
2677 static void opt_map(const char *arg)
2678 {
2679 AVStreamMap *m;
2680 char *p;
2681
2682 m = &stream_maps[nb_stream_maps++];
2683
2684 m->file_index = strtol(arg, &p, 0);
2685 if (*p)
2686 p++;
2687
2688 m->stream_index = strtol(p, &p, 0);
2689 if (*p) {
2690 p++;
2691 m->sync_file_index = strtol(p, &p, 0);
2692 if (*p)
2693 p++;
2694 m->sync_stream_index = strtol(p, &p, 0);
2695 } else {
2696 m->sync_file_index = m->file_index;
2697 m->sync_stream_index = m->stream_index;
2698 }
2699 }
2700
2701 static void opt_map_meta_data(const char *arg)
2702 {
2703 AVMetaDataMap *m;
2704 char *p;
2705
2706 m = &meta_data_maps[nb_meta_data_maps++];
2707
2708 m->out_file = strtol(arg, &p, 0);
2709 if (*p)
2710 p++;
2711
2712 m->in_file = strtol(p, &p, 0);
2713 }
2714
2715 static void opt_input_ts_scale(const char *arg)
2716 {
2717 unsigned int stream;
2718 double scale;
2719 char *p;
2720
2721 stream = strtol(arg, &p, 0);
2722 if (*p)
2723 p++;
2724 scale= strtod(p, &p);
2725
2726 if(stream >= MAX_STREAMS)
2727 av_exit(1);
2728
2729 input_files_ts_scale[nb_input_files][stream]= scale;
2730 }
2731
2732 static int opt_recording_time(const char *opt, const char *arg)
2733 {
2734 recording_time = parse_time_or_die(opt, arg, 1);
2735 return 0;
2736 }
2737
2738 static int opt_start_time(const char *opt, const char *arg)
2739 {
2740 start_time = parse_time_or_die(opt, arg, 1);
2741 return 0;
2742 }
2743
2744 static int opt_rec_timestamp(const char *opt, const char *arg)
2745 {
2746 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2747 return 0;
2748 }
2749
2750 static int opt_input_ts_offset(const char *opt, const char *arg)
2751 {
2752 input_ts_offset = parse_time_or_die(opt, arg, 1);
2753 return 0;
2754 }
2755
2756 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2757 {
2758 const char *codec_string = encoder ? "encoder" : "decoder";
2759 AVCodec *codec;
2760
2761 if(!name)
2762 return CODEC_ID_NONE;
2763 codec = encoder ?
2764 avcodec_find_encoder_by_name(name) :
2765 avcodec_find_decoder_by_name(name);
2766 if(!codec) {
2767 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2768 av_exit(1);
2769 }
2770 if(codec->type != type) {
2771 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2772 av_exit(1);
2773 }
2774 return codec->id;
2775 }
2776
2777 static void opt_input_file(const char *filename)
2778 {
2779 AVFormatContext *ic;
2780 AVFormatParameters params, *ap = &params;
2781 int err, i, ret, rfps, rfps_base;
2782 int64_t timestamp;
2783
2784 if (!strcmp(filename, "-"))
2785 filename = "pipe:";
2786
2787 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2788 !strcmp(filename, "/dev/stdin");
2789
2790 /* get default parameters from command line */
2791 ic = avformat_alloc_context();
2792
2793 memset(ap, 0, sizeof(*ap));
2794 ap->prealloced_context = 1;
2795 ap->sample_rate = audio_sample_rate;
2796 ap->channels = audio_channels;
2797 ap->time_base.den = frame_rate.num;
2798 ap->time_base.num = frame_rate.den;
2799 ap->width = frame_width + frame_padleft + frame_padright;
2800 ap->height = frame_height + frame_padtop + frame_padbottom;
2801 ap->pix_fmt = frame_pix_fmt;
2802 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2803 ap->channel = video_channel;
2804 ap->standard = video_standard;
2805 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2806 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2807 if(pgmyuv_compatibility_hack)
2808 ap->video_codec_id= CODEC_ID_PGMYUV;
2809
2810 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2811
2812 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2813 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2814 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2815 ic->flags |= AVFMT_FLAG_NONBLOCK;
2816
2817 /* open the input file with generic libav function */
2818 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2819 if (err < 0) {
2820 print_error(filename, err);
2821 av_exit(1);
2822 }
2823 if(opt_programid) {
2824 int i;
2825 for(i=0; i<ic->nb_programs; i++)
2826 if(ic->programs[i]->id != opt_programid)
2827 ic->programs[i]->discard = AVDISCARD_ALL;
2828 }
2829
2830 ic->loop_input = loop_input;
2831
2832 /* If not enough info to get the stream parameters, we decode the
2833 first frames to get it. (used in mpeg case for example) */
2834 ret = av_find_stream_info(ic);
2835 if (ret < 0 && verbose >= 0) {
2836 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2837 av_exit(1);
2838 }
2839
2840 timestamp = start_time;
2841 /* add the stream start time */
2842 if (ic->start_time != AV_NOPTS_VALUE)
2843 timestamp += ic->start_time;
2844
2845 /* if seeking requested, we execute it */
2846 if (start_time != 0) {
2847 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2848 if (ret < 0) {
2849 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2850 filename, (double)timestamp / AV_TIME_BASE);
2851 }
2852 /* reset seek info */
2853 start_time = 0;
2854 }
2855
2856 /* update the current parameters so that they match the one of the input stream */
2857 for(i=0;i<ic->nb_streams;i++) {
2858 AVCodecContext *enc = ic->streams[i]->codec;
2859 if(thread_count>1)
2860 avcodec_thread_init(enc, thread_count);
2861 enc->thread_count= thread_count;
2862 switch(enc->codec_type) {
2863 case CODEC_TYPE_AUDIO:
2864 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2865 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2866 channel_layout = enc->channel_layout;
2867 audio_channels = enc->channels;
2868 audio_sample_rate = enc->sample_rate;
2869 audio_sample_fmt = enc->sample_fmt;
2870 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2871 if(audio_disable)
2872 ic->streams[i]->discard= AVDISCARD_ALL;
2873 break;
2874 case CODEC_TYPE_VIDEO:
2875 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2876 frame_height = enc->height;
2877 frame_width = enc->width;
2878 if(ic->streams[i]->sample_aspect_ratio.num)
2879 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2880 else
2881 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2882 frame_aspect_ratio *= (float) enc->width / enc->height;
2883 frame_pix_fmt = enc->pix_fmt;
2884 rfps = ic->streams[i]->r_frame_rate.num;
2885 rfps_base = ic->streams[i]->r_frame_rate.den;
2886 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2887 if(me_threshold)
2888 enc->debug |= FF_DEBUG_MV;
2889
2890 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2891
2892 if (verbose >= 0)
2893 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2894 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2895
2896 (float)rfps / rfps_base, rfps, rfps_base);
2897 }
2898 /* update the current frame rate to match the stream frame rate */
2899 frame_rate.num = rfps;
2900 frame_rate.den = rfps_base;
2901
2902 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2903 if(video_disable)
2904 ic->streams[i]->discard= AVDISCARD_ALL;
2905 else if(video_discard)
2906 ic->streams[i]->discard= video_discard;
2907 break;
2908 case CODEC_TYPE_DATA:
2909 break;
2910 case CODEC_TYPE_SUBTITLE:
2911 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2912 if(subtitle_disable)
2913 ic->streams[i]->discard = AVDISCARD_ALL;
2914 break;
2915 case CODEC_TYPE_ATTACHMENT:
2916 case CODEC_TYPE_UNKNOWN:
2917 nb_icodecs++;
2918 break;
2919 default:
2920 abort();
2921 }
2922 }
2923
2924 input_files[nb_input_files] = ic;
2925 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2926 /* dump the file content */
2927 if (verbose >= 0)
2928 dump_format(ic, nb_input_files, filename, 0);
2929
2930 nb_input_files++;
2931 file_iformat = NULL;
2932 file_oformat = NULL;
2933
2934 video_channel = 0;
2935
2936 av_freep(&video_codec_name);
2937 av_freep(&audio_codec_name);
2938 av_freep(&subtitle_codec_name);
2939 }
2940
2941 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2942 int *has_subtitle_ptr)
2943 {
2944 int has_video, has_audio, has_subtitle, i, j;
2945 AVFormatContext *ic;
2946
2947 has_video = 0;
2948 has_audio = 0;
2949 has_subtitle = 0;
2950 for(j=0;j<nb_input_files;j++) {
2951 ic = input_files[j];
2952 for(i=0;i<ic->nb_streams;i++) {
2953 AVCodecContext *enc = ic->streams[i]->codec;
2954 switch(enc->codec_type) {
2955 case CODEC_TYPE_AUDIO:
2956 has_audio = 1;
2957 break;
2958 case CODEC_TYPE_VIDEO:
2959 has_video = 1;
2960 break;
2961 case CODEC_TYPE_SUBTITLE:
2962 has_subtitle = 1;
2963 break;
2964 case CODEC_TYPE_DATA:
2965 case CODEC_TYPE_ATTACHMENT:
2966 case CODEC_TYPE_UNKNOWN:
2967 break;
2968 default:
2969 abort();
2970 }
2971 }
2972 }
2973 *has_video_ptr = has_video;
2974 *has_audio_ptr = has_audio;
2975 *has_subtitle_ptr = has_subtitle;
2976 }
2977
2978 static void new_video_stream(AVFormatContext *oc)
2979 {
2980 AVStream *st;
2981 AVCodecContext *video_enc;
2982 int codec_id;
2983
2984 st = av_new_stream(oc, oc->nb_streams);
2985 if (!st) {
2986 fprintf(stderr, "Could not alloc stream\n");
2987 av_exit(1);
2988 }
2989 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2990 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2991 video_bitstream_filters= NULL;
2992
2993 if(thread_count>1)
2994 avcodec_thread_init(st->codec, thread_count);
2995
2996 video_enc = st->codec;
2997
2998 if(video_codec_tag)
2999 video_enc->codec_tag= video_codec_tag;
3000
3001 if( (video_global_header&1)
3002 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3003 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3004 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3005 }
3006 if(video_global_header&2){
3007 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3008 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3009 }
3010
3011 if (video_stream_copy) {
3012 st->stream_copy = 1;
3013 video_enc->codec_type = CODEC_TYPE_VIDEO;
3014 video_enc->sample_aspect_ratio =
3015 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3016 } else {
3017 const char *p;
3018 int i;
3019 AVCodec *codec;
3020 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3021
3022 if (video_codec_name) {
3023 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3024 codec = avcodec_find_encoder_by_name(video_codec_name);
3025 output_codecs[nb_ocodecs] = codec;
3026 } else {
3027 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3028 codec = avcodec_find_encoder(codec_id);
3029 }
3030
3031 video_enc->codec_id = codec_id;
3032
3033 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3034
3035 if (codec && codec->supported_framerates && !force_fps)
3036 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3037 video_enc->time_base.den = fps.num;
3038 video_enc->time_base.num = fps.den;
3039
3040 video_enc->width = frame_width + frame_padright + frame_padleft;
3041 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3042 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3043 video_enc->pix_fmt = frame_pix_fmt;
3044 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3045
3046 if(codec && codec->pix_fmts){
3047 const enum PixelFormat *p= codec->pix_fmts;
3048 for(; *p!=-1; p++){
3049 if(*p == video_enc->pix_fmt)
3050 break;
3051 }
3052 if(*p == -1)
3053 video_enc->pix_fmt = codec->pix_fmts[0];
3054 }
3055
3056 if (intra_only)
3057 video_enc->gop_size = 0;
3058 if (video_qscale || same_quality) {
3059 video_enc->flags |= CODEC_FLAG_QSCALE;
3060 video_enc->global_quality=
3061 st->quality = FF_QP2LAMBDA * video_qscale;
3062 }
3063
3064 if(intra_matrix)
3065 video_enc->intra_matrix = intra_matrix;
3066 if(inter_matrix)
3067 video_enc->inter_matrix = inter_matrix;
3068
3069 video_enc->thread_count = thread_count;
3070 p= video_rc_override_string;
3071 for(i=0; p; i++){
3072 int start, end, q;
3073 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3074 if(e!=3){
3075 fprintf(stderr, "error parsing rc_override\n");
3076 av_exit(1);
3077 }
3078 video_enc->rc_override=
3079 av_realloc(video_enc->rc_override,
3080 sizeof(RcOverride)*(i+1));
3081 video_enc->rc_override[i].start_frame= start;
3082 video_enc->rc_override[i].end_frame = end;
3083 if(q>0){
3084 video_enc->rc_override[i].qscale= q;
3085 video_enc->rc_override[i].quality_factor= 1.0;
3086 }
3087 else{
3088 video_enc->rc_override[i].qscale= 0;
3089 video_enc->rc_override[i].quality_factor= -q/100.0;
3090 }
3091 p= strchr(p, '/');
3092 if(p) p++;
3093 }
3094 video_enc->rc_override_count=i;
3095 if (!video_enc->rc_initial_buffer_occupancy)
3096 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3097 video_enc->me_threshold= me_threshold;
3098 video_enc->intra_dc_precision= intra_dc_precision - 8;
3099
3100 if (do_psnr)
3101 video_enc->flags|= CODEC_FLAG_PSNR;
3102
3103 /* two pass mode */
3104 if (do_pass) {
3105 if (do_pass == 1) {
3106 video_enc->flags |= CODEC_FLAG_PASS1;
3107 } else {
3108 video_enc->flags |= CODEC_FLAG_PASS2;
3109 }
3110 }
3111 }
3112 nb_ocodecs++;
3113
3114 /* reset some key parameters */
3115 video_disable = 0;
3116 av_freep(&video_codec_name);
3117 video_stream_copy = 0;
3118 }
3119
3120 static void new_audio_stream(AVFormatContext *oc)
3121 {
3122 AVStream *st;
3123 AVCodecContext *audio_enc;
3124 int codec_id;
3125
3126 st = av_new_stream(oc, oc->nb_streams);
3127 if (!st) {
3128 fprintf(stderr, "Could not alloc stream\n");
3129 av_exit(1);
3130 }
3131 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3132
3133 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3134 audio_bitstream_filters= NULL;
3135
3136 if(thread_count>1)
3137 avcodec_thread_init(st->codec, thread_count);
3138
3139 audio_enc = st->codec;
3140 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3141
3142 if(audio_codec_tag)
3143 audio_enc->codec_tag= audio_codec_tag;
3144
3145 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3146 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3147 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3148 }
3149 if (audio_stream_copy) {
3150 st->stream_copy = 1;
3151 audio_enc->channels = audio_channels;
3152 } else {
3153 AVCodec *codec;
3154
3155 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3156
3157 if (audio_codec_name) {
3158 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3159 codec = avcodec_find_encoder_by_name(audio_codec_name);
3160 output_codecs[nb_ocodecs] = codec;
3161 } else {
3162 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3163 codec = avcodec_find_encoder(codec_id);
3164 }
3165 audio_enc->codec_id = codec_id;
3166
3167 if (audio_qscale > QSCALE_NONE) {
3168 audio_enc->flags |= CODEC_FLAG_QSCALE;
3169 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3170 }
3171 audio_enc->thread_count = thread_count;
3172 audio_enc->channels = audio_channels;
3173 audio_enc->sample_fmt = audio_sample_fmt;
3174 audio_enc->channel_layout = channel_layout;
3175 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3176 audio_enc->channel_layout = 0;
3177
3178 if(codec && codec->sample_fmts){
3179 const enum SampleFormat *p= codec->sample_fmts;
3180 for(; *p!=-1; p++){
3181 if(*p == audio_enc->sample_fmt)
3182 break;
3183 }
3184 if(*p == -1)
3185 audio_enc->sample_fmt = codec->sample_fmts[0];
3186 }
3187 }
3188 nb_ocodecs++;
3189 audio_enc->sample_rate = audio_sample_rate;
3190 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3191 if (audio_language) {
3192 av_metadata_set(&st->metadata, "language", audio_language);
3193 av_free(audio_language);
3194 audio_language = NULL;
3195 }
3196
3197 /* reset some key parameters */
3198 audio_disable = 0;
3199 av_freep(&audio_codec_name);
3200 audio_stream_copy = 0;
3201 }
3202
3203 static void new_subtitle_stream(AVFormatContext *oc)
3204 {
3205 AVStream *st;
3206 AVCodecContext *subtitle_enc;
3207
3208 st = av_new_stream(oc, oc->nb_streams);
3209 if (!st) {
3210 fprintf(stderr, "Could not alloc stream\n");
3211 av_exit(1);
3212 }
3213 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3214
3215 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3216 subtitle_bitstream_filters= NULL;
3217
3218 subtitle_enc = st->codec;
3219 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3220
3221 if(subtitle_codec_tag)
3222 subtitle_enc->codec_tag= subtitle_codec_tag;
3223
3224 if (subtitle_stream_copy) {
3225 st->stream_copy = 1;
3226 } else {
3227 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3228 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3229 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3230 }
3231 nb_ocodecs++;
3232
3233 if (subtitle_language) {
3234 av_metadata_set(&st->metadata, "language", subtitle_language);
3235 av_free(subtitle_language);
3236 subtitle_language = NULL;
3237 }
3238
3239 subtitle_disable = 0;
3240 av_freep(&subtitle_codec_name);
3241 subtitle_stream_copy = 0;
3242 }
3243
3244 static void opt_new_audio_stream(void)
3245 {
3246 AVFormatContext *oc;
3247 if (nb_output_files <= 0) {
3248 fprintf(stderr, "At least one output file must be specified\n");
3249 av_exit(1);
3250 }
3251 oc = output_files[nb_output_files - 1];
3252 new_audio_stream(oc);
3253 }
3254
3255 static void opt_new_video_stream(void)
3256 {
3257 AVFormatContext *oc;
3258 if (nb_output_files <= 0) {
3259 fprintf(stderr, "At least one output file must be specified\n");
3260 av_exit(1);
3261 }
3262 oc = output_files[nb_output_files - 1];
3263 new_video_stream(oc);
3264 }
3265
3266 static void opt_new_subtitle_stream(void)
3267 {
3268 AVFormatContext *oc;
3269 if (nb_output_files <= 0) {
3270 fprintf(stderr, "At least one output file must be specified\n");
3271 av_exit(1);
3272 }
3273 oc = output_files[nb_output_files - 1];
3274 new_subtitle_stream(oc);
3275 }
3276
3277 static void opt_output_file(const char *filename)
3278 {
3279 AVFormatContext *oc;
3280 int use_video, use_audio, use_subtitle;
3281 int input_has_video, input_has_audio, input_has_subtitle;
3282 AVFormatParameters params, *ap = &params;
3283
3284 if (!strcmp(filename, "-"))
3285 filename = "pipe:";
3286
3287 oc = avformat_alloc_context();
3288
3289 if (!file_oformat) {
3290 file_oformat = guess_format(NULL, filename, NULL);
3291 if (!file_oformat) {
3292 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3293 filename);
3294 av_exit(1);
3295 }
3296 }
3297
3298 oc->oformat = file_oformat;
3299 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3300
3301 if (!strcmp(file_oformat->name, "ffm") &&
3302 av_strstart(filename, "http:", NULL)) {
3303 /* special case for files sent to ffserver: we get the stream
3304 parameters from ffserver */
3305 int err = read_ffserver_streams(oc, filename);
3306 if (err < 0) {
3307 print_error(filename, err);
3308 av_exit(1);
3309 }
3310 } else {
3311 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3312 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3313 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3314
3315 /* disable if no corresponding type found and at least one
3316 input file */
3317 if (nb_input_files > 0) {
3318 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3319 &input_has_subtitle);
3320 if (!input_has_video)
3321 use_video = 0;
3322 if (!input_has_audio)
3323 use_audio = 0;
3324 if (!input_has_subtitle)
3325 use_subtitle = 0;
3326 }
3327
3328 /* manual disable */
3329 if (audio_disable) {
3330 use_audio = 0;
3331 }
3332 if (video_disable) {
3333 use_video = 0;
3334 }
3335 if (subtitle_disable) {
3336 use_subtitle = 0;
3337 }
3338
3339 if (use_video) {
3340 new_video_stream(oc);
3341 }
3342
3343 if (use_audio) {
3344 new_audio_stream(oc);
3345 }
3346
3347 if (use_subtitle) {
3348 new_subtitle_stream(oc);
3349 }
3350
3351 oc->timestamp = rec_timestamp;
3352
3353 for(; metadata_count>0; metadata_count--){
3354 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3355 metadata[metadata_count-1].value);
3356 }
3357 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3358 }
3359
3360 output_files[nb_output_files++] = oc;
3361
3362 /* check filename in case of an image number is expected */
3363 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3364 if (!av_filename_number_test(oc->filename)) {
3365 print_error(oc->filename, AVERROR_NUMEXPECTED);
3366 av_exit(1);
3367 }
3368 }
3369
3370 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3371 /* test if it already exists to avoid loosing precious files */
3372 if (!file_overwrite &&
3373 (strchr(filename, ':') == NULL ||
3374 filename[1] == ':' ||
3375 av_strstart(filename, "file:", NULL))) {
3376 if (url_exist(filename)) {
3377 if (!using_stdin) {
3378 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3379 fflush(stderr);
3380 if (!read_yesno()) {
3381 fprintf(stderr, "Not overwriting - exiting\n");
3382 av_exit(1);
3383 }
3384 }
3385 else {
3386 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3387 av_exit(1);
3388 }
3389 }
3390 }
3391
3392 /* open the file */
3393 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3394 fprintf(stderr, "Could not open '%s'\n", filename);
3395 av_exit(1);
3396 }
3397 }
3398
3399 memset(ap, 0, sizeof(*ap));
3400 if (av_set_parameters(oc, ap) < 0) {
3401 fprintf(stderr, "%s: Invalid encoding parameters\n",
3402 oc->filename);
3403 av_exit(1);
3404 }
3405
3406 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3407 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3408 oc->loop_output = loop_output;
3409 oc->flags |= AVFMT_FLAG_NONBLOCK;
3410
3411 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3412
3413 /* reset some options */
3414 file_oformat = NULL;
3415 file_iformat = NULL;
3416 }
3417
3418 /* same option as mencoder */
3419 static void opt_pass(const char *pass_str)
3420 {
3421 int pass;
3422 pass = atoi(pass_str);
3423 if (pass != 1 && pass != 2) {
3424 fprintf(stderr, "pass number can be only 1 or 2\n");
3425 av_exit(1);
3426 }
3427 do_pass = pass;
3428 }
3429
3430 static int64_t getutime(void)
3431 {
3432 #if HAVE_GETRUSAGE
3433 struct rusage rusage;
3434
3435 getrusage(RUSAGE_SELF, &rusage);
3436 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3437 #elif HAVE_GETPROCESSTIMES
3438 HANDLE proc;
3439 FILETIME c, e, k, u;
3440 proc = GetCurrentProcess();
3441 GetProcessTimes(proc, &c, &e, &k, &u);
3442 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3443 #else
3444 return av_gettime();
3445 #endif
3446 }
3447
3448 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3449 {
3450 int i;
3451 const char *p = str;
3452 for(i = 0;; i++) {
3453 dest[i] = atoi(p);
3454 if(i == 63)
3455 break;
3456 p = strchr(p, ',');
3457 if(!p) {
3458 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3459 av_exit(1);
3460 }
3461 p++;
3462 }
3463 }
3464
3465 static void opt_inter_matrix(const char *arg)
3466 {
3467 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3468 parse_matrix_coeffs(inter_matrix, arg);
3469 }
3470
3471 static void opt_intra_matrix(const char *arg)
3472 {
3473 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3474 parse_matrix_coeffs(intra_matrix, arg);
3475 }
3476
3477 /**
3478 * Trivial log callback.
3479 * Only suitable for show_help and similar since it lacks prefix handling.
3480 */
3481 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3482 {
3483 vfprintf(stdout, fmt, vl);
3484 }
3485
3486 static void show_help(void)
3487 {
3488 av_log_set_callback(log_callback_help);
3489 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3490 "Hyper fast Audio and Video encoder\n");
3491 printf("\n");
3492 show_help_options(options, "Main options:\n",
3493 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3494 show_help_options(options, "\nAdvanced options:\n",
3495 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3496 OPT_EXPERT);
3497 show_help_options(options, "\nVideo options:\n",
3498 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3499 OPT_VIDEO);
3500 show_help_options(options, "\nAdvanced Video options:\n",
3501 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3502 OPT_VIDEO | OPT_EXPERT);
3503 show_help_options(options, "\nAudio options:\n",
3504 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3505 OPT_AUDIO);
3506 show_help_options(options, "\nAdvanced Audio options:\n",
3507 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3508 OPT_AUDIO | OPT_EXPERT);
3509 show_help_options(options, "\nSubtitle options:\n",
3510 OPT_SUBTITLE | OPT_GRAB,
3511 OPT_SUBTITLE);
3512 show_help_options(options, "\nAudio/Video grab options:\n",
3513 OPT_GRAB,
3514 OPT_GRAB);
3515 printf("\n");
3516 av_opt_show(avcodec_opts[0], NULL);
3517 printf("\n");
3518 av_opt_show(avformat_opts, NULL);
3519 printf("\n");
3520 av_opt_show(sws_opts, NULL);
3521 }
3522
3523 static void opt_target(const char *arg)
3524 {
3525 int norm = -1;
3526 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3527
3528 if(!strncmp(arg, "pal-", 4)) {
3529 norm = 0;
3530 arg += 4;
3531 } else if(!strncmp(arg, "ntsc-", 5)) {
3532 norm = 1;
3533 arg += 5;
3534 } else if(!strncmp(arg, "film-", 5)) {
3535 norm = 2;
3536 arg += 5;
3537 } else {
3538 int fr;
3539 /* Calculate FR via float to avoid int overflow */
3540 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3541 if(fr == 25000) {
3542 norm = 0;
3543 } else if((fr == 29970) || (fr == 23976)) {
3544 norm = 1;
3545 } else {
3546 /* Try to determine PAL/NTSC by peeking in the input files */
3547 if(nb_input_files) {
3548 int i, j;
3549 for(j = 0; j < nb_input_files; j++) {
3550 for(i = 0; i < input_files[j]->nb_streams; i++) {
3551 AVCodecContext *c = input_files[j]->streams[i]->codec;
3552 if(c->codec_type != CODEC_TYPE_VIDEO)
3553 continue;
3554 fr = c->time_base.den * 1000 / c->time_base.num;
3555 if(fr == 25000) {
3556 norm = 0;
3557 break;
3558 } else if((fr == 29970) || (fr == 23976)) {
3559 norm = 1;
3560 break;
3561 }
3562 }
3563 if(norm >= 0)
3564 break;
3565 }
3566 }
3567 }
3568 if(verbose && norm >= 0)
3569 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3570 }
3571
3572 if(norm < 0) {
3573 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3574 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3575 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3576 av_exit(1);
3577 }
3578
3579 if(!strcmp(arg, "vcd")) {
3580
3581 opt_video_codec("mpeg1video");
3582 opt_audio_codec("mp2");
3583 opt_format("vcd");
3584
3585 opt_frame_size(norm ? "352x240" : "352x288");
3586 opt_frame_rate(NULL, frame_rates[norm]);
3587 opt_default("gop", norm ? "18" : "15");
3588
3589 opt_default("b", "1150000");
3590 opt_default("maxrate", "1150000");
3591 opt_default("minrate", "1150000");
3592 opt_default("bufsize", "327680"); // 40*1024*8;
3593
3594 opt_default("ab", "224000");
3595 audio_sample_rate = 44100;
3596 audio_channels = 2;
3597
3598 opt_default("packetsize", "2324");
3599 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3600
3601 /* We have to offset the PTS, so that it is consistent with the SCR.
3602 SCR starts at 36000, but the first two packs contain only padding
3603 and the first pack from the other stream, respectively, may also have
3604 been written before.
3605 So the real data starts at SCR 36000+3*1200. */
3606 mux_preload= (36000+3*1200) / 90000.0; //0.44
3607 } else if(!strcmp(arg, "svcd")) {
3608
3609 opt_video_codec("mpeg2video");
3610 opt_audio_codec("mp2");
3611 opt_format("svcd");
3612
3613 opt_frame_size(norm ? "480x480" : "480x576");
3614 opt_frame_rate(NULL, frame_rates[norm]);
3615 opt_default("gop", norm ? "18" : "15");
3616
3617 opt_default("b", "2040000");
3618 opt_default("maxrate", "2516000");
3619 opt_default("minrate", "0"); //1145000;
3620 opt_default("bufsize", "1835008"); //224*1024*8;
3621 opt_default("flags", "+scan_offset");
3622
3623
3624 opt_default("ab", "224000");
3625 audio_sample_rate = 44100;
3626
3627 opt_default("packetsize", "2324");
3628
3629 } else if(!strcmp(arg, "dvd")) {
3630
3631 opt_video_codec("mpeg2video");
3632 opt_audio_codec("ac3");
3633 opt_format("dvd");
3634
3635 opt_frame_size(norm ? "720x480" : "720x576");
3636 opt_frame_rate(NULL, frame_rates[norm]);
3637 opt_default("gop", norm ? "18" : "15");
3638
3639 opt_default("b", "6000000");
3640 opt_default("maxrate", "9000000");
3641 opt_default("minrate", "0"); //1500000;
3642 opt_default("bufsize", "1835008"); //224*1024*8;
3643
3644 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3645 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3646
3647 opt_default("ab", "448000");
3648 audio_sample_rate = 48000;
3649
3650 } else if(!strncmp(arg, "dv", 2)) {
3651
3652 opt_format("dv");
3653
3654 opt_frame_size(norm ? "720x480" : "720x576");
3655 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3656 (norm ? "yuv411p" : "yuv420p"));
3657 opt_frame_rate(NULL, frame_rates[norm]);
3658
3659 audio_sample_rate = 48000;
3660 audio_channels = 2;
3661
3662 } else {
3663 fprintf(stderr, "Unknown target: %s\n", arg);
3664 av_exit(1);
3665 }
3666 }
3667
3668 static void opt_vstats_file (const char *arg)
3669 {
3670 av_free (vstats_filename);
3671 vstats_filename=av_strdup (arg);
3672 }
3673
3674 static void opt_vstats (void)
3675 {
3676 char filename[40];
3677 time_t today2 = time(NULL);
3678 struct tm *today = localtime(&today2);
3679
3680 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3681 today->tm_sec);
3682 opt_vstats_file(filename);
3683 }
3684
3685 static int opt_bsf(const char *opt, const char *arg)
3686 {
3687 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3688 AVBitStreamFilterContext **bsfp;
3689
3690 if(!bsfc){
3691 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3692 av_exit(1);
3693 }
3694
3695 bsfp= *opt == 'v' ? &video_bitstream_filters :
3696 *opt == 'a' ? &audio_bitstream_filters :
3697 &subtitle_bitstream_filters;
3698 while(*bsfp)
3699 bsfp= &(*bsfp)->next;
3700
3701 *bsfp= bsfc;
3702
3703 return 0;
3704 }
3705
3706 static int opt_preset(const char *opt, const char *arg)
3707 {
3708 FILE *f=NULL;
3709 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3710 int i;
3711 const char *base[2]= { getenv("HOME"),
3712 FFMPEG_DATADIR,
3713 };
3714
3715 for(i=!base[0]; i<2 && !f; i++){
3716 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3717 f= fopen(filename, "r");
3718 if(!f){
3719 char *codec_name= *opt == 'v' ? video_codec_name :
3720 *opt == 'a' ? audio_codec_name :
3721 subtitle_codec_name;
3722 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3723 f= fopen(filename, "r");
3724 }
3725 }
3726 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3727 is_dos_path(arg))){
3728 av_strlcpy(filename, arg, sizeof(filename));
3729 f= fopen(filename, "r");
3730 }
3731
3732 if(!f){
3733 fprintf(stderr, "File for preset '%s' not found\n", arg);
3734 av_exit(1);
3735 }
3736
3737 while(!feof(f)){
3738 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3739 if(line[0] == '#' && !e)
3740 continue;
3741 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3742 if(e){
3743 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3744 av_exit(1);
3745 }
3746 if(!strcmp(tmp, "acodec")){
3747 opt_audio_codec(tmp2);
3748 }else if(!strcmp(tmp, "vcodec")){
3749 opt_video_codec(tmp2);
3750 }else if(!strcmp(tmp, "scodec")){
3751 opt_subtitle_codec(tmp2);
3752 }else if(opt_default(tmp, tmp2) < 0){
3753 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3754 av_exit(1);
3755 }
3756 }
3757
3758 fclose(f);
3759
3760 return 0;
3761 }
3762
3763 static const OptionDef options[] = {
3764 /* main options */
3765 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3766 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3767 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3768 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3769 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3770 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3771 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3772 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3773 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3774 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3775 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3776 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3777 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3778 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3779 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3780 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3781 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3782 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3783 "add timings for benchmarking" },
3784 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3785 "dump each input packet" },
3786 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3787 "when dumping packets, also dump the payload" },
3788 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3789 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3790 { "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)", "" },
3791 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3792 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
3793 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3794 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3795 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3796 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3797 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3798 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3799 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
3800 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3801 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3802 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3803 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3804 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
3805
3806 /* video options */
3807 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3808 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3809 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3810 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3811 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3812 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3813 { "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" },
3814 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3815 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3816 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3817 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3818 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3819 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3820 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3821 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3822 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3823 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3824 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3825 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3826 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3827 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3828 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3829 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3830 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3831 "use same video quality as source (implies VBR)" },
3832 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3833 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3834 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3835 "deinterlace pictures" },
3836 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3837 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3838 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3839 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3840 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3841 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3842 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3843 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3844 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3845 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3846 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3847
3848 /* audio options */
3849 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3850 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3851 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3852 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3853 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3854 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3855 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3856 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3857 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3858 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3859 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3860 { "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" },
3861
3862 /* subtitle options */
3863 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3864 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3865 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3866 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3867 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3868
3869 /* grab options */
3870 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3871 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3872 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3873
3874 /* muxer options */
3875 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3876 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3877
3878 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3879 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3880 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3881
3882 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3883 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3884 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3885
3886 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3887 { NULL, },
3888 };
3889
3890 int main(int argc, char **argv)
3891 {
3892 int i;
3893 int64_t ti;
3894
3895 avcodec_register_all();
3896 avdevice_register_all();
3897 av_register_all();
3898
3899 if(isatty(STDIN_FILENO))
3900 url_set_interrupt_cb(decode_interrupt_cb);
3901
3902 for(i=0; i<CODEC_TYPE_NB; i++){
3903 avcodec_opts[i]= avcodec_alloc_context2(i);
3904 }
3905 avformat_opts = avformat_alloc_context();
3906 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3907
3908 show_banner();
3909
3910 /* parse options */
3911 parse_options(argc, argv, options, opt_output_file);
3912
3913 /* file converter / grab */
3914 if (nb_output_files <= 0) {
3915 fprintf(stderr, "At least one output file must be specified\n");
3916 av_exit(1);
3917 }
3918
3919 if (nb_input_files == 0) {
3920 fprintf(stderr, "At least one input file must be specified\n");
3921 av_exit(1);
3922 }
3923
3924 ti = getutime();
3925 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3926 stream_maps, nb_stream_maps) < 0)
3927 av_exit(1);
3928 ti = getutime() - ti;
3929 if (do_benchmark) {
3930 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3931 }
3932
3933 return av_exit(0);
3934 }
lucabe's unfinished and experimental patches for ffmpeg