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Move list_fmts() from ffmpeg.c to cmdutils.{h,c}, so that it can be
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
24
25 #include "config.h"
26 #include <ctype.h>
27 #include <string.h>
28 #include <math.h>
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <signal.h>
32 #include <limits.h>
33 #include <unistd.h>
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
43
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
48 #include <windows.h>
49 #endif
50
51 #if HAVE_SYS_SELECT_H
52 #include <sys/select.h>
53 #endif
54
55 #if HAVE_TERMIOS_H
56 #include <fcntl.h>
57 #include <sys/ioctl.h>
58 #include <sys/time.h>
59 #include <termios.h>
60 #elif HAVE_CONIO_H
61 #include <conio.h>
62 #endif
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
64 #include <time.h>
65
66 #include "cmdutils.h"
67
68 #undef NDEBUG
69 #include <assert.h>
70
71 #undef exit
72
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
75
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
78 int file_index;
79 int stream_index;
80 int sync_file_index;
81 int sync_stream_index;
82 } AVStreamMap;
83
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
86 int out_file;
87 int in_file;
88 } AVMetaDataMap;
89
90 static const OptionDef options[];
91
92 #define MAX_FILES 20
93
94 static const char *last_asked_format = NULL;
95 static AVFormatContext *input_files[MAX_FILES];
96 static int64_t input_files_ts_offset[MAX_FILES];
97 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
98 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
99 static int nb_input_files = 0;
100 static int nb_icodecs;
101
102 static AVFormatContext *output_files[MAX_FILES];
103 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
104 static int nb_output_files = 0;
105 static int nb_ocodecs;
106
107 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
108 static int nb_stream_maps;
109
110 static AVMetaDataMap meta_data_maps[MAX_FILES];
111 static int nb_meta_data_maps;
112
113 static int frame_width = 0;
114 static int frame_height = 0;
115 static float frame_aspect_ratio = 0;
116 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
117 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
118 static int frame_padtop = 0;
119 static int frame_padbottom = 0;
120 static int frame_padleft = 0;
121 static int frame_padright = 0;
122 static int padcolor[3] = {16,128,128}; /* default to black */
123 static int frame_topBand = 0;
124 static int frame_bottomBand = 0;
125 static int frame_leftBand = 0;
126 static int frame_rightBand = 0;
127 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
128 static AVRational frame_rate;
129 static float video_qscale = 0;
130 static uint16_t *intra_matrix = NULL;
131 static uint16_t *inter_matrix = NULL;
132 static const char *video_rc_override_string=NULL;
133 static int video_disable = 0;
134 static int video_discard = 0;
135 static char *video_codec_name = NULL;
136 static int video_codec_tag = 0;
137 static int same_quality = 0;
138 static int do_deinterlace = 0;
139 static int top_field_first = -1;
140 static int me_threshold = 0;
141 static int intra_dc_precision = 8;
142 static int loop_input = 0;
143 static int loop_output = AVFMT_NOOUTPUTLOOP;
144 static int qp_hist = 0;
145
146 static int intra_only = 0;
147 static int audio_sample_rate = 44100;
148 static int64_t channel_layout = 0;
149 #define QSCALE_NONE -99999
150 static float audio_qscale = QSCALE_NONE;
151 static int audio_disable = 0;
152 static int audio_channels = 1;
153 static char *audio_codec_name = NULL;
154 static int audio_codec_tag = 0;
155 static char *audio_language = NULL;
156
157 static int subtitle_disable = 0;
158 static char *subtitle_codec_name = NULL;
159 static char *subtitle_language = NULL;
160 static int subtitle_codec_tag = 0;
161
162 static float mux_preload= 0.5;
163 static float mux_max_delay= 0.7;
164
165 static int64_t recording_time = INT64_MAX;
166 static int64_t start_time = 0;
167 static int64_t rec_timestamp = 0;
168 static int64_t input_ts_offset = 0;
169 static int file_overwrite = 0;
170 static int metadata_count;
171 static AVMetadataTag *metadata;
172 static int do_benchmark = 0;
173 static int do_hex_dump = 0;
174 static int do_pkt_dump = 0;
175 static int do_psnr = 0;
176 static int do_pass = 0;
177 static char *pass_logfilename_prefix = NULL;
178 static int audio_stream_copy = 0;
179 static int video_stream_copy = 0;
180 static int subtitle_stream_copy = 0;
181 static int video_sync_method= -1;
182 static int audio_sync_method= 0;
183 static float audio_drift_threshold= 0.1;
184 static int copy_ts= 0;
185 static int opt_shortest = 0;
186 static int video_global_header = 0;
187 static char *vstats_filename;
188 static FILE *vstats_file;
189 static int opt_programid = 0;
190 static int copy_initial_nonkeyframes = 0;
191
192 static int rate_emu = 0;
193
194 static int video_channel = 0;
195 static char *video_standard;
196
197 static int audio_volume = 256;
198
199 static int exit_on_error = 0;
200 static int using_stdin = 0;
201 static int verbose = 1;
202 static int thread_count= 1;
203 static int q_pressed = 0;
204 static int64_t video_size = 0;
205 static int64_t audio_size = 0;
206 static int64_t extra_size = 0;
207 static int nb_frames_dup = 0;
208 static int nb_frames_drop = 0;
209 static int input_sync;
210 static uint64_t limit_filesize = 0;
211 static int force_fps = 0;
212
213 static int pgmyuv_compatibility_hack=0;
214 static float dts_delta_threshold = 10;
215
216 static unsigned int sws_flags = SWS_BICUBIC;
217
218 static int64_t timer_start;
219
220 static uint8_t *audio_buf;
221 static uint8_t *audio_out;
222 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
223
224 static short *samples;
225
226 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
227 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
230
231 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
232
233 struct AVInputStream;
234
235 typedef struct AVOutputStream {
236 int file_index; /* file index */
237 int index; /* stream index in the output file */
238 int source_index; /* AVInputStream index */
239 AVStream *st; /* stream in the output file */
240 int encoding_needed; /* true if encoding needed for this stream */
241 int frame_number;
242 /* input pts and corresponding output pts
243 for A/V sync */
244 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
245 struct AVInputStream *sync_ist; /* input stream to sync against */
246 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
247 /* video only */
248 int video_resample;
249 AVFrame pict_tmp; /* temporary image for resampling */
250 struct SwsContext *img_resample_ctx; /* for image resampling */
251 int resample_height;
252 int resample_width;
253 int resample_pix_fmt;
254
255 /* full frame size of first frame */
256 int original_height;
257 int original_width;
258
259 /* cropping area sizes */
260 int video_crop;
261 int topBand;
262 int bottomBand;
263 int leftBand;
264 int rightBand;
265
266 /* cropping area of first frame */
267 int original_topBand;
268 int original_bottomBand;
269 int original_leftBand;
270 int original_rightBand;
271
272 /* padding area sizes */
273 int video_pad;
274 int padtop;
275 int padbottom;
276 int padleft;
277 int padright;
278
279 /* audio only */
280 int audio_resample;
281 ReSampleContext *resample; /* for audio resampling */
282 int reformat_pair;
283 AVAudioConvert *reformat_ctx;
284 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
285 FILE *logfile;
286 } AVOutputStream;
287
288 typedef struct AVInputStream {
289 int file_index;
290 int index;
291 AVStream *st;
292 int discard; /* true if stream data should be discarded */
293 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
294 int64_t sample_index; /* current sample */
295
296 int64_t start; /* time when read started */
297 int64_t next_pts; /* synthetic pts for cases where pkt.pts
298 is not defined */
299 int64_t pts; /* current pts */
300 int is_start; /* is 1 at the start and after a discontinuity */
301 } AVInputStream;
302
303 typedef struct AVInputFile {
304 int eof_reached; /* true if eof reached */
305 int ist_index; /* index of first stream in ist_table */
306 int buffer_size; /* current total buffer size */
307 int nb_streams; /* nb streams we are aware of */
308 } AVInputFile;
309
310 #if HAVE_TERMIOS_H
311
312 /* init terminal so that we can grab keys */
313 static struct termios oldtty;
314 #endif
315
316 static void term_exit(void)
317 {
318 #if HAVE_TERMIOS_H
319 tcsetattr (0, TCSANOW, &oldtty);
320 #endif
321 }
322
323 static volatile int received_sigterm = 0;
324
325 static void
326 sigterm_handler(int sig)
327 {
328 received_sigterm = sig;
329 term_exit();
330 }
331
332 static void term_init(void)
333 {
334 #if HAVE_TERMIOS_H
335 struct termios tty;
336
337 tcgetattr (0, &tty);
338 oldtty = tty;
339
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
345 tty.c_cflag |= CS8;
346 tty.c_cc[VMIN] = 1;
347 tty.c_cc[VTIME] = 0;
348
349 tcsetattr (0, TCSANOW, &tty);
350 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
351 #endif
352
353 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
354 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
355 /*
356 register a function to be called at normal program termination
357 */
358 atexit(term_exit);
359 #if CONFIG_BEOS_NETSERVER
360 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
361 #endif
362 }
363
364 /* read a key without blocking */
365 static int read_key(void)
366 {
367 #if HAVE_TERMIOS_H
368 int n = 1;
369 unsigned char ch;
370 #if !CONFIG_BEOS_NETSERVER
371 struct timeval tv;
372 fd_set rfds;
373
374 FD_ZERO(&rfds);
375 FD_SET(0, &rfds);
376 tv.tv_sec = 0;
377 tv.tv_usec = 0;
378 n = select(1, &rfds, NULL, NULL, &tv);
379 #endif
380 if (n > 0) {
381 n = read(0, &ch, 1);
382 if (n == 1)
383 return ch;
384
385 return n;
386 }
387 #elif HAVE_CONIO_H
388 if(kbhit())
389 return(getch());
390 #endif
391 return -1;
392 }
393
394 static int decode_interrupt_cb(void)
395 {
396 return q_pressed || (q_pressed = read_key() == 'q');
397 }
398
399 static int av_exit(int ret)
400 {
401 int i;
402
403 /* close files */
404 for(i=0;i<nb_output_files;i++) {
405 /* maybe av_close_output_file ??? */
406 AVFormatContext *s = output_files[i];
407 int j;
408 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
409 url_fclose(s->pb);
410 for(j=0;j<s->nb_streams;j++) {
411 av_metadata_free(&s->streams[j]->metadata);
412 av_free(s->streams[j]->codec);
413 av_free(s->streams[j]);
414 }
415 for(j=0;j<s->nb_programs;j++) {
416 av_metadata_free(&s->programs[j]->metadata);
417 }
418 for(j=0;j<s->nb_chapters;j++) {
419 av_metadata_free(&s->chapters[j]->metadata);
420 }
421 av_metadata_free(&s->metadata);
422 av_free(s);
423 }
424 for(i=0;i<nb_input_files;i++)
425 av_close_input_file(input_files[i]);
426
427 av_free(intra_matrix);
428 av_free(inter_matrix);
429
430 if (vstats_file)
431 fclose(vstats_file);
432 av_free(vstats_filename);
433
434 av_free(opt_names);
435
436 av_free(video_codec_name);
437 av_free(audio_codec_name);
438 av_free(subtitle_codec_name);
439
440 av_free(video_standard);
441
442 #if CONFIG_POWERPC_PERF
443 void powerpc_display_perf_report(void);
444 powerpc_display_perf_report();
445 #endif /* CONFIG_POWERPC_PERF */
446
447 for (i=0;i<CODEC_TYPE_NB;i++)
448 av_free(avcodec_opts[i]);
449 av_free(avformat_opts);
450 av_free(sws_opts);
451 av_free(audio_buf);
452 av_free(audio_out);
453 allocated_audio_buf_size= allocated_audio_out_size= 0;
454 av_free(samples);
455
456 if (received_sigterm) {
457 fprintf(stderr,
458 "Received signal %d: terminating.\n",
459 (int) received_sigterm);
460 exit (255);
461 }
462
463 exit(ret); /* not all OS-es handle main() return value */
464 return ret;
465 }
466
467 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
468 {
469 int i, err;
470 AVFormatContext *ic;
471 int nopts = 0;
472
473 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
474 if (err < 0)
475 return err;
476 /* copy stream format */
477 s->nb_streams = ic->nb_streams;
478 for(i=0;i<ic->nb_streams;i++) {
479 AVStream *st;
480
481 // FIXME: a more elegant solution is needed
482 st = av_mallocz(sizeof(AVStream));
483 memcpy(st, ic->streams[i], sizeof(AVStream));
484 st->codec = avcodec_alloc_context();
485 if (!st->codec) {
486 print_error(filename, AVERROR(ENOMEM));
487 av_exit(1);
488 }
489 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
490 s->streams[i] = st;
491
492 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
493 st->stream_copy = 1;
494 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
495 st->stream_copy = 1;
496
497 if(!st->codec->thread_count)
498 st->codec->thread_count = 1;
499 if(st->codec->thread_count>1)
500 avcodec_thread_init(st->codec, st->codec->thread_count);
501
502 if(st->codec->flags & CODEC_FLAG_BITEXACT)
503 nopts = 1;
504 }
505
506 if (!nopts)
507 s->timestamp = av_gettime();
508
509 av_close_input_file(ic);
510 return 0;
511 }
512
513 static double
514 get_sync_ipts(const AVOutputStream *ost)
515 {
516 const AVInputStream *ist = ost->sync_ist;
517 return (double)(ist->pts - start_time)/AV_TIME_BASE;
518 }
519
520 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
521 int ret;
522
523 while(bsfc){
524 AVPacket new_pkt= *pkt;
525 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
526 &new_pkt.data, &new_pkt.size,
527 pkt->data, pkt->size,
528 pkt->flags & PKT_FLAG_KEY);
529 if(a>0){
530 av_free_packet(pkt);
531 new_pkt.destruct= av_destruct_packet;
532 } else if(a<0){
533 fprintf(stderr, "%s failed for stream %d, codec %s",
534 bsfc->filter->name, pkt->stream_index,
535 avctx->codec ? avctx->codec->name : "copy");
536 print_error("", a);
537 if (exit_on_error)
538 av_exit(1);
539 }
540 *pkt= new_pkt;
541
542 bsfc= bsfc->next;
543 }
544
545 ret= av_interleaved_write_frame(s, pkt);
546 if(ret < 0){
547 print_error("av_interleaved_write_frame()", ret);
548 av_exit(1);
549 }
550 }
551
552 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
553
554 static void do_audio_out(AVFormatContext *s,
555 AVOutputStream *ost,
556 AVInputStream *ist,
557 unsigned char *buf, int size)
558 {
559 uint8_t *buftmp;
560 int64_t audio_out_size, audio_buf_size;
561
562 int size_out, frame_bytes, ret;
563 AVCodecContext *enc= ost->st->codec;
564 AVCodecContext *dec= ist->st->codec;
565 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
566 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
567 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
568
569 audio_buf_size= (size + isize*dec->channels - 1) / (isize*dec->channels);
570 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
571 audio_buf_size= audio_buf_size*2 + 10000; //saftey factors for the deprecated resampling API
572 audio_buf_size*= osize*enc->channels;
573
574 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
575 if(coded_bps > 8*osize)
576 audio_out_size= audio_out_size * coded_bps / (8*osize);
577 audio_out_size += FF_MIN_BUFFER_SIZE;
578
579 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
580 fprintf(stderr, "Buffer sizes too large\n");
581 av_exit(1);
582 }
583
584 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
585 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
586 if (!audio_buf || !audio_out){
587 fprintf(stderr, "Out of memory in do_audio_out\n");
588 av_exit(1);
589 }
590
591 if (enc->channels != dec->channels)
592 ost->audio_resample = 1;
593
594 if (ost->audio_resample && !ost->resample) {
595 if (dec->sample_fmt != SAMPLE_FMT_S16)
596 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
597 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
598 enc->sample_rate, dec->sample_rate,
599 enc->sample_fmt, dec->sample_fmt,
600 16, 10, 0, 0.8);
601 if (!ost->resample) {
602 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
603 dec->channels, dec->sample_rate,
604 enc->channels, enc->sample_rate);
605 av_exit(1);
606 }
607 }
608
609 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
610 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
611 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
612 if (ost->reformat_ctx)
613 av_audio_convert_free(ost->reformat_ctx);
614 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
615 dec->sample_fmt, 1, NULL, 0);
616 if (!ost->reformat_ctx) {
617 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
618 avcodec_get_sample_fmt_name(dec->sample_fmt),
619 avcodec_get_sample_fmt_name(enc->sample_fmt));
620 av_exit(1);
621 }
622 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
623 }
624
625 if(audio_sync_method){
626 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
627 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
628 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
629 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
630
631 //FIXME resample delay
632 if(fabs(delta) > 50){
633 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
634 if(byte_delta < 0){
635 byte_delta= FFMAX(byte_delta, -size);
636 size += byte_delta;
637 buf -= byte_delta;
638 if(verbose > 2)
639 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
640 if(!size)
641 return;
642 ist->is_start=0;
643 }else{
644 static uint8_t *input_tmp= NULL;
645 input_tmp= av_realloc(input_tmp, byte_delta + size);
646
647 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
648 ist->is_start=0;
649 else
650 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
651
652 memset(input_tmp, 0, byte_delta);
653 memcpy(input_tmp + byte_delta, buf, size);
654 buf= input_tmp;
655 size += byte_delta;
656 if(verbose > 2)
657 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
658 }
659 }else if(audio_sync_method>1){
660 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
661 assert(ost->audio_resample);
662 if(verbose > 2)
663 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
664 // 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));
665 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
666 }
667 }
668 }else
669 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
670 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
671
672 if (ost->audio_resample) {
673 buftmp = audio_buf;
674 size_out = audio_resample(ost->resample,
675 (short *)buftmp, (short *)buf,
676 size / (ist->st->codec->channels * isize));
677 size_out = size_out * enc->channels * osize;
678 } else {
679 buftmp = buf;
680 size_out = size;
681 }
682
683 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
684 const void *ibuf[6]= {buftmp};
685 void *obuf[6]= {audio_buf};
686 int istride[6]= {isize};
687 int ostride[6]= {osize};
688 int len= size_out/istride[0];
689 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
690 printf("av_audio_convert() failed\n");
691 if (exit_on_error)
692 av_exit(1);
693 return;
694 }
695 buftmp = audio_buf;
696 size_out = len*osize;
697 }
698
699 /* now encode as many frames as possible */
700 if (enc->frame_size > 1) {
701 /* output resampled raw samples */
702 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
703 fprintf(stderr, "av_fifo_realloc2() failed\n");
704 av_exit(1);
705 }
706 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
707
708 frame_bytes = enc->frame_size * osize * enc->channels;
709
710 while (av_fifo_size(ost->fifo) >= frame_bytes) {
711 AVPacket pkt;
712 av_init_packet(&pkt);
713
714 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
715
716 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
717
718 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
719 (short *)audio_buf);
720 if (ret < 0) {
721 fprintf(stderr, "Audio encoding failed\n");
722 av_exit(1);
723 }
724 audio_size += ret;
725 pkt.stream_index= ost->index;
726 pkt.data= audio_out;
727 pkt.size= ret;
728 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
729 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
730 pkt.flags |= PKT_FLAG_KEY;
731 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
732
733 ost->sync_opts += enc->frame_size;
734 }
735 } else {
736 AVPacket pkt;
737 av_init_packet(&pkt);
738
739 ost->sync_opts += size_out / (osize * enc->channels);
740
741 /* output a pcm frame */
742 /* determine the size of the coded buffer */
743 size_out /= osize;
744 if (coded_bps)
745 size_out = size_out*coded_bps/8;
746
747 if(size_out > audio_out_size){
748 fprintf(stderr, "Internal error, buffer size too small\n");
749 av_exit(1);
750 }
751
752 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
753 ret = avcodec_encode_audio(enc, audio_out, size_out,
754 (short *)buftmp);
755 if (ret < 0) {
756 fprintf(stderr, "Audio encoding failed\n");
757 av_exit(1);
758 }
759 audio_size += ret;
760 pkt.stream_index= ost->index;
761 pkt.data= audio_out;
762 pkt.size= ret;
763 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
764 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
765 pkt.flags |= PKT_FLAG_KEY;
766 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
767 }
768 }
769
770 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
771 {
772 AVCodecContext *dec;
773 AVPicture *picture2;
774 AVPicture picture_tmp;
775 uint8_t *buf = 0;
776
777 dec = ist->st->codec;
778
779 /* deinterlace : must be done before any resize */
780 if (do_deinterlace) {
781 int size;
782
783 /* create temporary picture */
784 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
785 buf = av_malloc(size);
786 if (!buf)
787 return;
788
789 picture2 = &picture_tmp;
790 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
791
792 if(avpicture_deinterlace(picture2, picture,
793 dec->pix_fmt, dec->width, dec->height) < 0) {
794 /* if error, do not deinterlace */
795 fprintf(stderr, "Deinterlacing failed\n");
796 av_free(buf);
797 buf = NULL;
798 picture2 = picture;
799 }
800 } else {
801 picture2 = picture;
802 }
803
804 if (picture != picture2)
805 *picture = *picture2;
806 *bufp = buf;
807 }
808
809 /* we begin to correct av delay at this threshold */
810 #define AV_DELAY_MAX 0.100
811
812 static void do_subtitle_out(AVFormatContext *s,
813 AVOutputStream *ost,
814 AVInputStream *ist,
815 AVSubtitle *sub,
816 int64_t pts)
817 {
818 static uint8_t *subtitle_out = NULL;
819 int subtitle_out_max_size = 1024 * 1024;
820 int subtitle_out_size, nb, i;
821 AVCodecContext *enc;
822 AVPacket pkt;
823
824 if (pts == AV_NOPTS_VALUE) {
825 fprintf(stderr, "Subtitle packets must have a pts\n");
826 if (exit_on_error)
827 av_exit(1);
828 return;
829 }
830
831 enc = ost->st->codec;
832
833 if (!subtitle_out) {
834 subtitle_out = av_malloc(subtitle_out_max_size);
835 }
836
837 /* Note: DVB subtitle need one packet to draw them and one other
838 packet to clear them */
839 /* XXX: signal it in the codec context ? */
840 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
841 nb = 2;
842 else
843 nb = 1;
844
845 for(i = 0; i < nb; i++) {
846 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
847 // start_display_time is required to be 0
848 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
849 sub->end_display_time -= sub->start_display_time;
850 sub->start_display_time = 0;
851 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
852 subtitle_out_max_size, sub);
853 if (subtitle_out_size < 0) {
854 fprintf(stderr, "Subtitle encoding failed\n");
855 av_exit(1);
856 }
857
858 av_init_packet(&pkt);
859 pkt.stream_index = ost->index;
860 pkt.data = subtitle_out;
861 pkt.size = subtitle_out_size;
862 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
863 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
864 /* XXX: the pts correction is handled here. Maybe handling
865 it in the codec would be better */
866 if (i == 0)
867 pkt.pts += 90 * sub->start_display_time;
868 else
869 pkt.pts += 90 * sub->end_display_time;
870 }
871 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
872 }
873 }
874
875 static int bit_buffer_size= 1024*256;
876 static uint8_t *bit_buffer= NULL;
877
878 static void do_video_out(AVFormatContext *s,
879 AVOutputStream *ost,
880 AVInputStream *ist,
881 AVFrame *in_picture,
882 int *frame_size)
883 {
884 int nb_frames, i, ret;
885 int64_t topBand, bottomBand, leftBand, rightBand;
886 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
887 AVFrame picture_crop_temp, picture_pad_temp;
888 AVCodecContext *enc, *dec;
889
890 avcodec_get_frame_defaults(&picture_crop_temp);
891 avcodec_get_frame_defaults(&picture_pad_temp);
892
893 enc = ost->st->codec;
894 dec = ist->st->codec;
895
896 /* by default, we output a single frame */
897 nb_frames = 1;
898
899 *frame_size = 0;
900
901 if(video_sync_method){
902 double vdelta;
903 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
904 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
905 if (vdelta < -1.1)
906 nb_frames = 0;
907 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
908 if(vdelta<=-0.6){
909 nb_frames=0;
910 }else if(vdelta>0.6)
911 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
912 }else if (vdelta > 1.1)
913 nb_frames = lrintf(vdelta);
914 //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);
915 if (nb_frames == 0){
916 ++nb_frames_drop;
917 if (verbose>2)
918 fprintf(stderr, "*** drop!\n");
919 }else if (nb_frames > 1) {
920 nb_frames_dup += nb_frames;
921 if (verbose>2)
922 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
923 }
924 }else
925 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
926
927 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
928 if (nb_frames <= 0)
929 return;
930
931 if (ost->video_crop) {
932 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
933 fprintf(stderr, "error cropping picture\n");
934 if (exit_on_error)
935 av_exit(1);
936 return;
937 }
938 formatted_picture = &picture_crop_temp;
939 } else {
940 formatted_picture = in_picture;
941 }
942
943 final_picture = formatted_picture;
944 padding_src = formatted_picture;
945 resampling_dst = &ost->pict_tmp;
946 if (ost->video_pad) {
947 final_picture = &ost->pict_tmp;
948 if (ost->video_resample) {
949 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
950 fprintf(stderr, "error padding picture\n");
951 if (exit_on_error)
952 av_exit(1);
953 return;
954 }
955 resampling_dst = &picture_pad_temp;
956 }
957 }
958
959 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
960 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
961 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
962
963 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
964 if(!ost->video_resample)
965 av_exit(1);
966 }
967
968 if (ost->video_resample) {
969 padding_src = NULL;
970 final_picture = &ost->pict_tmp;
971 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
972 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
973 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
974
975 /* keep bands proportional to the frame size */
976 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
977 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
978 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
979 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
980
981 /* sanity check to ensure no bad band sizes sneak in */
982 assert(topBand <= INT_MAX && topBand >= 0);
983 assert(bottomBand <= INT_MAX && bottomBand >= 0);
984 assert(leftBand <= INT_MAX && leftBand >= 0);
985 assert(rightBand <= INT_MAX && rightBand >= 0);
986
987 ost->topBand = topBand;
988 ost->bottomBand = bottomBand;
989 ost->leftBand = leftBand;
990 ost->rightBand = rightBand;
991
992 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
993 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
994 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
995
996 /* initialize a new scaler context */
997 sws_freeContext(ost->img_resample_ctx);
998 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
999 ost->img_resample_ctx = sws_getContext(
1000 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1001 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1002 ist->st->codec->pix_fmt,
1003 ost->st->codec->width - (ost->padleft + ost->padright),
1004 ost->st->codec->height - (ost->padtop + ost->padbottom),
1005 ost->st->codec->pix_fmt,
1006 sws_flags, NULL, NULL, NULL);
1007 if (ost->img_resample_ctx == NULL) {
1008 fprintf(stderr, "Cannot get resampling context\n");
1009 av_exit(1);
1010 }
1011 }
1012 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1013 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1014 }
1015
1016 if (ost->video_pad) {
1017 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1018 enc->height, enc->width, enc->pix_fmt,
1019 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1020 }
1021
1022 /* duplicates frame if needed */
1023 for(i=0;i<nb_frames;i++) {
1024 AVPacket pkt;
1025 av_init_packet(&pkt);
1026 pkt.stream_index= ost->index;
1027
1028 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1029 /* raw pictures are written as AVPicture structure to
1030 avoid any copies. We support temorarily the older
1031 method. */
1032 AVFrame* old_frame = enc->coded_frame;
1033 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1034 pkt.data= (uint8_t *)final_picture;
1035 pkt.size= sizeof(AVPicture);
1036 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1037 pkt.flags |= PKT_FLAG_KEY;
1038
1039 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1040 enc->coded_frame = old_frame;
1041 } else {
1042 AVFrame big_picture;
1043
1044 big_picture= *final_picture;
1045 /* better than nothing: use input picture interlaced
1046 settings */
1047 big_picture.interlaced_frame = in_picture->interlaced_frame;
1048 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1049 if(top_field_first == -1)
1050 big_picture.top_field_first = in_picture->top_field_first;
1051 else
1052 big_picture.top_field_first = top_field_first;
1053 }
1054
1055 /* handles sameq here. This is not correct because it may
1056 not be a global option */
1057 if (same_quality) {
1058 big_picture.quality = ist->st->quality;
1059 }else
1060 big_picture.quality = ost->st->quality;
1061 if(!me_threshold)
1062 big_picture.pict_type = 0;
1063 // big_picture.pts = AV_NOPTS_VALUE;
1064 big_picture.pts= ost->sync_opts;
1065 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1066 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1067 ret = avcodec_encode_video(enc,
1068 bit_buffer, bit_buffer_size,
1069 &big_picture);
1070 if (ret < 0) {
1071 fprintf(stderr, "Video encoding failed\n");
1072 av_exit(1);
1073 }
1074
1075 if(ret>0){
1076 pkt.data= bit_buffer;
1077 pkt.size= ret;
1078 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1079 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1080 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1081 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1082 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1083
1084 if(enc->coded_frame->key_frame)
1085 pkt.flags |= PKT_FLAG_KEY;
1086 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1087 *frame_size = ret;
1088 video_size += ret;
1089 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1090 // enc->frame_number-1, ret, enc->pict_type);
1091 /* if two pass, output log */
1092 if (ost->logfile && enc->stats_out) {
1093 fprintf(ost->logfile, "%s", enc->stats_out);
1094 }
1095 }
1096 }
1097 ost->sync_opts++;
1098 ost->frame_number++;
1099 }
1100 }
1101
1102 static double psnr(double d){
1103 return -10.0*log(d)/log(10.0);
1104 }
1105
1106 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1107 int frame_size)
1108 {
1109 AVCodecContext *enc;
1110 int frame_number;
1111 double ti1, bitrate, avg_bitrate;
1112
1113 /* this is executed just the first time do_video_stats is called */
1114 if (!vstats_file) {
1115 vstats_file = fopen(vstats_filename, "w");
1116 if (!vstats_file) {
1117 perror("fopen");
1118 av_exit(1);
1119 }
1120 }
1121
1122 enc = ost->st->codec;
1123 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1124 frame_number = ost->frame_number;
1125 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1126 if (enc->flags&CODEC_FLAG_PSNR)
1127 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1128
1129 fprintf(vstats_file,"f_size= %6d ", frame_size);
1130 /* compute pts value */
1131 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1132 if (ti1 < 0.01)
1133 ti1 = 0.01;
1134
1135 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1136 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1137 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1138 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1139 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1140 }
1141 }
1142
1143 static void print_report(AVFormatContext **output_files,
1144 AVOutputStream **ost_table, int nb_ostreams,
1145 int is_last_report)
1146 {
1147 char buf[1024];
1148 AVOutputStream *ost;
1149 AVFormatContext *oc;
1150 int64_t total_size;
1151 AVCodecContext *enc;
1152 int frame_number, vid, i;
1153 double bitrate, ti1, pts;
1154 static int64_t last_time = -1;
1155 static int qp_histogram[52];
1156
1157 if (!is_last_report) {
1158 int64_t cur_time;
1159 /* display the report every 0.5 seconds */
1160 cur_time = av_gettime();
1161 if (last_time == -1) {
1162 last_time = cur_time;
1163 return;
1164 }
1165 if ((cur_time - last_time) < 500000)
1166 return;
1167 last_time = cur_time;
1168 }
1169
1170
1171 oc = output_files[0];
1172
1173 total_size = url_fsize(oc->pb);
1174 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1175 total_size= url_ftell(oc->pb);
1176
1177 buf[0] = '\0';
1178 ti1 = 1e10;
1179 vid = 0;
1180 for(i=0;i<nb_ostreams;i++) {
1181 ost = ost_table[i];
1182 enc = ost->st->codec;
1183 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1184 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1185 !ost->st->stream_copy ?
1186 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1187 }
1188 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1189 float t = (av_gettime()-timer_start) / 1000000.0;
1190
1191 frame_number = ost->frame_number;
1192 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1193 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1194 !ost->st->stream_copy ?
1195 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1196 if(is_last_report)
1197 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1198 if(qp_hist){
1199 int j;
1200 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1201 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1202 qp_histogram[qp]++;
1203 for(j=0; j<32; j++)
1204 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1205 }
1206 if (enc->flags&CODEC_FLAG_PSNR){
1207 int j;
1208 double error, error_sum=0;
1209 double scale, scale_sum=0;
1210 char type[3]= {'Y','U','V'};
1211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1212 for(j=0; j<3; j++){
1213 if(is_last_report){
1214 error= enc->error[j];
1215 scale= enc->width*enc->height*255.0*255.0*frame_number;
1216 }else{
1217 error= enc->coded_frame->error[j];
1218 scale= enc->width*enc->height*255.0*255.0;
1219 }
1220 if(j) scale/=4;
1221 error_sum += error;
1222 scale_sum += scale;
1223 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1224 }
1225 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1226 }
1227 vid = 1;
1228 }
1229 /* compute min output value */
1230 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1231 if ((pts < ti1) && (pts > 0))
1232 ti1 = pts;
1233 }
1234 if (ti1 < 0.01)
1235 ti1 = 0.01;
1236
1237 if (verbose || is_last_report) {
1238 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1239
1240 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1241 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1242 (double)total_size / 1024, ti1, bitrate);
1243
1244 if (verbose > 1)
1245 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1246 nb_frames_dup, nb_frames_drop);
1247
1248 if (verbose >= 0)
1249 fprintf(stderr, "%s \r", buf);
1250
1251 fflush(stderr);
1252 }
1253
1254 if (is_last_report && verbose >= 0){
1255 int64_t raw= audio_size + video_size + extra_size;
1256 fprintf(stderr, "\n");
1257 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1258 video_size/1024.0,
1259 audio_size/1024.0,
1260 extra_size/1024.0,
1261 100.0*(total_size - raw)/raw
1262 );
1263 }
1264 }
1265
1266 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1267 static int output_packet(AVInputStream *ist, int ist_index,
1268 AVOutputStream **ost_table, int nb_ostreams,
1269 const AVPacket *pkt)
1270 {
1271 AVFormatContext *os;
1272 AVOutputStream *ost;
1273 int ret, i;
1274 uint8_t *data_buf;
1275 int data_size, got_picture;
1276 AVFrame picture;
1277 void *buffer_to_free;
1278 static unsigned int samples_size= 0;
1279 AVSubtitle subtitle, *subtitle_to_free;
1280 int got_subtitle;
1281 AVPacket avpkt;
1282 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1283
1284 if(ist->next_pts == AV_NOPTS_VALUE)
1285 ist->next_pts= ist->pts;
1286
1287 if (pkt == NULL) {
1288 /* EOF handling */
1289 av_init_packet(&avpkt);
1290 avpkt.data = NULL;
1291 avpkt.size = 0;
1292 goto handle_eof;
1293 } else {
1294 avpkt = *pkt;
1295 }
1296
1297 if(pkt->dts != AV_NOPTS_VALUE)
1298 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1299
1300 //while we have more to decode or while the decoder did output something on EOF
1301 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1302 handle_eof:
1303 ist->pts= ist->next_pts;
1304
1305 if(avpkt.size && avpkt.size != pkt->size &&
1306 !(ist->st->codec->codec->capabilities & CODEC_CAP_SUBFRAMES) && verbose>0)
1307 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1308
1309 /* decode the packet if needed */
1310 data_buf = NULL; /* fail safe */
1311 data_size = 0;
1312 subtitle_to_free = NULL;
1313 if (ist->decoding_needed) {
1314 switch(ist->st->codec->codec_type) {
1315 case CODEC_TYPE_AUDIO:{
1316 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1317 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1318 av_free(samples);
1319 samples= av_malloc(samples_size);
1320 }
1321 data_size= samples_size;
1322 /* XXX: could avoid copy if PCM 16 bits with same
1323 endianness as CPU */
1324 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1325 &avpkt);
1326 if (ret < 0)
1327 goto fail_decode;
1328 avpkt.data += ret;
1329 avpkt.size -= ret;
1330 /* Some bug in mpeg audio decoder gives */
1331 /* data_size < 0, it seems they are overflows */
1332 if (data_size <= 0) {
1333 /* no audio frame */
1334 continue;
1335 }
1336 data_buf = (uint8_t *)samples;
1337 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * data_size) /
1338 (ist->st->codec->sample_rate * ist->st->codec->channels);
1339 break;}
1340 case CODEC_TYPE_VIDEO:
1341 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1342 /* XXX: allocate picture correctly */
1343 avcodec_get_frame_defaults(&picture);
1344
1345 ret = avcodec_decode_video2(ist->st->codec,
1346 &picture, &got_picture, &avpkt);
1347 ist->st->quality= picture.quality;
1348 if (ret < 0)
1349 goto fail_decode;
1350 if (!got_picture) {
1351 /* no picture yet */
1352 goto discard_packet;
1353 }
1354 if (ist->st->codec->time_base.num != 0) {
1355 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1356 ist->next_pts += ((int64_t)AV_TIME_BASE *
1357 ist->st->codec->time_base.num * ticks) /
1358 ist->st->codec->time_base.den;
1359 }
1360 avpkt.size = 0;
1361 break;
1362 case CODEC_TYPE_SUBTITLE:
1363 ret = avcodec_decode_subtitle2(ist->st->codec,
1364 &subtitle, &got_subtitle, &avpkt);
1365 if (ret < 0)
1366 goto fail_decode;
1367 if (!got_subtitle) {
1368 goto discard_packet;
1369 }
1370 subtitle_to_free = &subtitle;
1371 avpkt.size = 0;
1372 break;
1373 default:
1374 goto fail_decode;
1375 }
1376 } else {
1377 switch(ist->st->codec->codec_type) {
1378 case CODEC_TYPE_AUDIO:
1379 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1380 ist->st->codec->sample_rate;
1381 break;
1382 case CODEC_TYPE_VIDEO:
1383 if (ist->st->codec->time_base.num != 0) {
1384 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1385 ist->next_pts += ((int64_t)AV_TIME_BASE *
1386 ist->st->codec->time_base.num * ticks) /
1387 ist->st->codec->time_base.den;
1388 }
1389 break;
1390 }
1391 data_buf = avpkt.data;
1392 data_size = avpkt.size;
1393 ret = avpkt.size;
1394 avpkt.size = 0;
1395 }
1396
1397 buffer_to_free = NULL;
1398 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1399 pre_process_video_frame(ist, (AVPicture *)&picture,
1400 &buffer_to_free);
1401 }
1402
1403 // preprocess audio (volume)
1404 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1405 if (audio_volume != 256) {
1406 short *volp;
1407 volp = samples;
1408 for(i=0;i<(data_size / sizeof(short));i++) {
1409 int v = ((*volp) * audio_volume + 128) >> 8;
1410 if (v < -32768) v = -32768;
1411 if (v > 32767) v = 32767;
1412 *volp++ = v;
1413 }
1414 }
1415 }
1416
1417 /* frame rate emulation */
1418 if (rate_emu) {
1419 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1420 int64_t now = av_gettime() - ist->start;
1421 if (pts > now)
1422 usleep(pts - now);
1423 }
1424
1425 /* if output time reached then transcode raw format,
1426 encode packets and output them */
1427 if (start_time == 0 || ist->pts >= start_time)
1428 for(i=0;i<nb_ostreams;i++) {
1429 int frame_size;
1430
1431 ost = ost_table[i];
1432 if (ost->source_index == ist_index) {
1433 os = output_files[ost->file_index];
1434
1435 /* set the input output pts pairs */
1436 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1437
1438 if (ost->encoding_needed) {
1439 switch(ost->st->codec->codec_type) {
1440 case CODEC_TYPE_AUDIO:
1441 do_audio_out(os, ost, ist, data_buf, data_size);
1442 break;
1443 case CODEC_TYPE_VIDEO:
1444 do_video_out(os, ost, ist, &picture, &frame_size);
1445 if (vstats_filename && frame_size)
1446 do_video_stats(os, ost, frame_size);
1447 break;
1448 case CODEC_TYPE_SUBTITLE:
1449 do_subtitle_out(os, ost, ist, &subtitle,
1450 pkt->pts);
1451 break;
1452 default:
1453 abort();
1454 }
1455 } else {
1456 AVFrame avframe; //FIXME/XXX remove this
1457 AVPacket opkt;
1458 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1459
1460 av_init_packet(&opkt);
1461
1462 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1463 continue;
1464
1465 /* no reencoding needed : output the packet directly */
1466 /* force the input stream PTS */
1467
1468 avcodec_get_frame_defaults(&avframe);
1469 ost->st->codec->coded_frame= &avframe;
1470 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1471
1472 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1473 audio_size += data_size;
1474 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1475 video_size += data_size;
1476 ost->sync_opts++;
1477 }
1478
1479 opkt.stream_index= ost->index;
1480 if(pkt->pts != AV_NOPTS_VALUE)
1481 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1482 else
1483 opkt.pts= AV_NOPTS_VALUE;
1484
1485 if (pkt->dts == AV_NOPTS_VALUE)
1486 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1487 else
1488 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1489 opkt.dts -= ost_tb_start_time;
1490
1491 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1492 opkt.flags= pkt->flags;
1493
1494 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1495 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1496 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1497 opkt.destruct= av_destruct_packet;
1498 } else {
1499 opkt.data = data_buf;
1500 opkt.size = data_size;
1501 }
1502
1503 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1504 ost->st->codec->frame_number++;
1505 ost->frame_number++;
1506 av_free_packet(&opkt);
1507 }
1508 }
1509 }
1510 av_free(buffer_to_free);
1511 /* XXX: allocate the subtitles in the codec ? */
1512 if (subtitle_to_free) {
1513 if (subtitle_to_free->rects != NULL) {
1514 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1515 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1516 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1517 av_freep(&subtitle_to_free->rects[i]);
1518 }
1519 av_freep(&subtitle_to_free->rects);
1520 }
1521 subtitle_to_free->num_rects = 0;
1522 subtitle_to_free = NULL;
1523 }
1524 }
1525 discard_packet:
1526 if (pkt == NULL) {
1527 /* EOF handling */
1528
1529 for(i=0;i<nb_ostreams;i++) {
1530 ost = ost_table[i];
1531 if (ost->source_index == ist_index) {
1532 AVCodecContext *enc= ost->st->codec;
1533 os = output_files[ost->file_index];
1534
1535 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1536 continue;
1537 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1538 continue;
1539
1540 if (ost->encoding_needed) {
1541 for(;;) {
1542 AVPacket pkt;
1543 int fifo_bytes;
1544 av_init_packet(&pkt);
1545 pkt.stream_index= ost->index;
1546
1547 switch(ost->st->codec->codec_type) {
1548 case CODEC_TYPE_AUDIO:
1549 fifo_bytes = av_fifo_size(ost->fifo);
1550 ret = 0;
1551 /* encode any samples remaining in fifo */
1552 if (fifo_bytes > 0) {
1553 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1554 int fs_tmp = enc->frame_size;
1555
1556 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1557 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1558 enc->frame_size = fifo_bytes / (osize * enc->channels);
1559 } else { /* pad */
1560 int frame_bytes = enc->frame_size*osize*enc->channels;
1561 if (samples_size < frame_bytes)
1562 av_exit(1);
1563 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1564 }
1565
1566 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1567 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1568 ost->st->time_base.num, enc->sample_rate);
1569 enc->frame_size = fs_tmp;
1570 }
1571 if(ret <= 0) {
1572 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1573 }
1574 if (ret < 0) {
1575 fprintf(stderr, "Audio encoding failed\n");
1576 av_exit(1);
1577 }
1578 audio_size += ret;
1579 pkt.flags |= PKT_FLAG_KEY;
1580 break;
1581 case CODEC_TYPE_VIDEO:
1582 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1583 if (ret < 0) {
1584 fprintf(stderr, "Video encoding failed\n");
1585 av_exit(1);
1586 }
1587 video_size += ret;
1588 if(enc->coded_frame && enc->coded_frame->key_frame)
1589 pkt.flags |= PKT_FLAG_KEY;
1590 if (ost->logfile && enc->stats_out) {
1591 fprintf(ost->logfile, "%s", enc->stats_out);
1592 }
1593 break;
1594 default:
1595 ret=-1;
1596 }
1597
1598 if(ret<=0)
1599 break;
1600 pkt.data= bit_buffer;
1601 pkt.size= ret;
1602 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1603 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1604 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1605 }
1606 }
1607 }
1608 }
1609 }
1610
1611 return 0;
1612 fail_decode:
1613 return -1;
1614 }
1615
1616 static void print_sdp(AVFormatContext **avc, int n)
1617 {
1618 char sdp[2048];
1619
1620 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1621 printf("SDP:\n%s\n", sdp);
1622 fflush(stdout);
1623 }
1624
1625 static int stream_index_from_inputs(AVFormatContext **input_files,
1626 int nb_input_files,
1627 AVInputFile *file_table,
1628 AVInputStream **ist_table,
1629 enum CodecType type,
1630 int programid)
1631 {
1632 int p, q, z;
1633 for(z=0; z<nb_input_files; z++) {
1634 AVFormatContext *ic = input_files[z];
1635 for(p=0; p<ic->nb_programs; p++) {
1636 AVProgram *program = ic->programs[p];
1637 if(program->id != programid)
1638 continue;
1639 for(q=0; q<program->nb_stream_indexes; q++) {
1640 int sidx = program->stream_index[q];
1641 int ris = file_table[z].ist_index + sidx;
1642 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1643 return ris;
1644 }
1645 }
1646 }
1647
1648 return -1;
1649 }
1650
1651 /*
1652 * The following code is the main loop of the file converter
1653 */
1654 static int av_encode(AVFormatContext **output_files,
1655 int nb_output_files,
1656 AVFormatContext **input_files,
1657 int nb_input_files,
1658 AVStreamMap *stream_maps, int nb_stream_maps)
1659 {
1660 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1661 AVFormatContext *is, *os;
1662 AVCodecContext *codec, *icodec;
1663 AVOutputStream *ost, **ost_table = NULL;
1664 AVInputStream *ist, **ist_table = NULL;
1665 AVInputFile *file_table;
1666 char error[1024];
1667 int key;
1668 int want_sdp = 1;
1669 uint8_t no_packet[MAX_FILES]={0};
1670 int no_packet_count=0;
1671
1672 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1673 if (!file_table)
1674 goto fail;
1675
1676 /* input stream init */
1677 j = 0;
1678 for(i=0;i<nb_input_files;i++) {
1679 is = input_files[i];
1680 file_table[i].ist_index = j;
1681 file_table[i].nb_streams = is->nb_streams;
1682 j += is->nb_streams;
1683 }
1684 nb_istreams = j;
1685
1686 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1687 if (!ist_table)
1688 goto fail;
1689
1690 for(i=0;i<nb_istreams;i++) {
1691 ist = av_mallocz(sizeof(AVInputStream));
1692 if (!ist)
1693 goto fail;
1694 ist_table[i] = ist;
1695 }
1696 j = 0;
1697 for(i=0;i<nb_input_files;i++) {
1698 is = input_files[i];
1699 for(k=0;k<is->nb_streams;k++) {
1700 ist = ist_table[j++];
1701 ist->st = is->streams[k];
1702 ist->file_index = i;
1703 ist->index = k;
1704 ist->discard = 1; /* the stream is discarded by default
1705 (changed later) */
1706
1707 if (rate_emu) {
1708 ist->start = av_gettime();
1709 }
1710 }
1711 }
1712
1713 /* output stream init */
1714 nb_ostreams = 0;
1715 for(i=0;i<nb_output_files;i++) {
1716 os = output_files[i];
1717 if (!os->nb_streams) {
1718 dump_format(output_files[i], i, output_files[i]->filename, 1);
1719 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1720 av_exit(1);
1721 }
1722 nb_ostreams += os->nb_streams;
1723 }
1724 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1725 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1726 av_exit(1);
1727 }
1728
1729 /* Sanity check the mapping args -- do the input files & streams exist? */
1730 for(i=0;i<nb_stream_maps;i++) {
1731 int fi = stream_maps[i].file_index;
1732 int si = stream_maps[i].stream_index;
1733
1734 if (fi < 0 || fi > nb_input_files - 1 ||
1735 si < 0 || si > file_table[fi].nb_streams - 1) {
1736 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1737 av_exit(1);
1738 }
1739 fi = stream_maps[i].sync_file_index;
1740 si = stream_maps[i].sync_stream_index;
1741 if (fi < 0 || fi > nb_input_files - 1 ||
1742 si < 0 || si > file_table[fi].nb_streams - 1) {
1743 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1744 av_exit(1);
1745 }
1746 }
1747
1748 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1749 if (!ost_table)
1750 goto fail;
1751 for(i=0;i<nb_ostreams;i++) {
1752 ost = av_mallocz(sizeof(AVOutputStream));
1753 if (!ost)
1754 goto fail;
1755 ost_table[i] = ost;
1756 }
1757
1758 n = 0;
1759 for(k=0;k<nb_output_files;k++) {
1760 os = output_files[k];
1761 for(i=0;i<os->nb_streams;i++,n++) {
1762 int found;
1763 ost = ost_table[n];
1764 ost->file_index = k;
1765 ost->index = i;
1766 ost->st = os->streams[i];
1767 if (nb_stream_maps > 0) {
1768 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1769 stream_maps[n].stream_index;
1770
1771 /* Sanity check that the stream types match */
1772 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1773 int i= ost->file_index;
1774 dump_format(output_files[i], i, output_files[i]->filename, 1);
1775 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1776 stream_maps[n].file_index, stream_maps[n].stream_index,
1777 ost->file_index, ost->index);
1778 av_exit(1);
1779 }
1780
1781 } else {
1782 if(opt_programid) {
1783 found = 0;
1784 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1785 if(j != -1) {
1786 ost->source_index = j;
1787 found = 1;
1788 }
1789 } else {
1790 /* get corresponding input stream index : we select the first one with the right type */
1791 found = 0;
1792 for(j=0;j<nb_istreams;j++) {
1793 ist = ist_table[j];
1794 if (ist->discard &&
1795 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1796 ost->source_index = j;
1797 found = 1;
1798 break;
1799 }
1800 }
1801 }
1802
1803 if (!found) {
1804 if(! opt_programid) {
1805 /* try again and reuse existing stream */
1806 for(j=0;j<nb_istreams;j++) {
1807 ist = ist_table[j];
1808 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1809 ost->source_index = j;
1810 found = 1;
1811 }
1812 }
1813 }
1814 if (!found) {
1815 int i= ost->file_index;
1816 dump_format(output_files[i], i, output_files[i]->filename, 1);
1817 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1818 ost->file_index, ost->index);
1819 av_exit(1);
1820 }
1821 }
1822 }
1823 ist = ist_table[ost->source_index];
1824 ist->discard = 0;
1825 ost->sync_ist = (nb_stream_maps > 0) ?
1826 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1827 stream_maps[n].sync_stream_index] : ist;
1828 }
1829 }
1830
1831 /* for each output stream, we compute the right encoding parameters */
1832 for(i=0;i<nb_ostreams;i++) {
1833 AVMetadataTag *lang;
1834 ost = ost_table[i];
1835 os = output_files[ost->file_index];
1836 ist = ist_table[ost->source_index];
1837
1838 codec = ost->st->codec;
1839 icodec = ist->st->codec;
1840
1841 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1842 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1843 av_metadata_set(&ost->st->metadata, "language", lang->value);
1844
1845 ost->st->disposition = ist->st->disposition;
1846 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1847 codec->chroma_sample_location = icodec->chroma_sample_location;
1848
1849 if (ost->st->stream_copy) {
1850 /* if stream_copy is selected, no need to decode or encode */
1851 codec->codec_id = icodec->codec_id;
1852 codec->codec_type = icodec->codec_type;
1853
1854 if(!codec->codec_tag){
1855 if( !os->oformat->codec_tag
1856 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1857 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1858 codec->codec_tag = icodec->codec_tag;
1859 }
1860
1861 codec->bit_rate = icodec->bit_rate;
1862 codec->extradata= icodec->extradata;
1863 codec->extradata_size= icodec->extradata_size;
1864 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){
1865 codec->time_base = icodec->time_base;
1866 codec->time_base.num *= icodec->ticks_per_frame;
1867 }else
1868 codec->time_base = ist->st->time_base;
1869 switch(codec->codec_type) {
1870 case CODEC_TYPE_AUDIO:
1871 if(audio_volume != 256) {
1872 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1873 av_exit(1);
1874 }
1875 codec->channel_layout = icodec->channel_layout;
1876 codec->sample_rate = icodec->sample_rate;
1877 codec->channels = icodec->channels;
1878 codec->frame_size = icodec->frame_size;
1879 codec->block_align= icodec->block_align;
1880 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1881 codec->block_align= 0;
1882 if(codec->codec_id == CODEC_ID_AC3)
1883 codec->block_align= 0;
1884 break;
1885 case CODEC_TYPE_VIDEO:
1886 codec->pix_fmt = icodec->pix_fmt;
1887 codec->width = icodec->width;
1888 codec->height = icodec->height;
1889 codec->has_b_frames = icodec->has_b_frames;
1890 break;
1891 case CODEC_TYPE_SUBTITLE:
1892 codec->width = icodec->width;
1893 codec->height = icodec->height;
1894 break;
1895 default:
1896 abort();
1897 }
1898 } else {
1899 switch(codec->codec_type) {
1900 case CODEC_TYPE_AUDIO:
1901 ost->fifo= av_fifo_alloc(1024);
1902 if(!ost->fifo)
1903 goto fail;
1904 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1905 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1906 icodec->request_channels = codec->channels;
1907 ist->decoding_needed = 1;
1908 ost->encoding_needed = 1;
1909 break;
1910 case CODEC_TYPE_VIDEO:
1911 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1912 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1913 av_exit(1);
1914 }
1915 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1916 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1917 ost->video_resample = ((codec->width != icodec->width -
1918 (frame_leftBand + frame_rightBand) +
1919 (frame_padleft + frame_padright)) ||
1920 (codec->height != icodec->height -
1921 (frame_topBand + frame_bottomBand) +
1922 (frame_padtop + frame_padbottom)) ||
1923 (codec->pix_fmt != icodec->pix_fmt));
1924 if (ost->video_crop) {
1925 ost->topBand = ost->original_topBand = frame_topBand;
1926 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1927 ost->leftBand = ost->original_leftBand = frame_leftBand;
1928 ost->rightBand = ost->original_rightBand = frame_rightBand;
1929 }
1930 if (ost->video_pad) {
1931 ost->padtop = frame_padtop;
1932 ost->padleft = frame_padleft;
1933 ost->padbottom = frame_padbottom;
1934 ost->padright = frame_padright;
1935 if (!ost->video_resample) {
1936 avcodec_get_frame_defaults(&ost->pict_tmp);
1937 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1938 codec->width, codec->height))
1939 goto fail;
1940 }
1941 }
1942 if (ost->video_resample) {
1943 avcodec_get_frame_defaults(&ost->pict_tmp);
1944 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1945 codec->width, codec->height)) {
1946 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1947 av_exit(1);
1948 }
1949 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1950 ost->img_resample_ctx = sws_getContext(
1951 icodec->width - (frame_leftBand + frame_rightBand),
1952 icodec->height - (frame_topBand + frame_bottomBand),
1953 icodec->pix_fmt,
1954 codec->width - (frame_padleft + frame_padright),
1955 codec->height - (frame_padtop + frame_padbottom),
1956 codec->pix_fmt,
1957 sws_flags, NULL, NULL, NULL);
1958 if (ost->img_resample_ctx == NULL) {
1959 fprintf(stderr, "Cannot get resampling context\n");
1960 av_exit(1);
1961 }
1962
1963 ost->original_height = icodec->height;
1964 ost->original_width = icodec->width;
1965
1966 codec->bits_per_raw_sample= 0;
1967 }
1968 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1969 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1970 ost->resample_pix_fmt= icodec->pix_fmt;
1971 ost->encoding_needed = 1;
1972 ist->decoding_needed = 1;
1973 break;
1974 case CODEC_TYPE_SUBTITLE:
1975 ost->encoding_needed = 1;
1976 ist->decoding_needed = 1;
1977 break;
1978 default:
1979 abort();
1980 break;
1981 }
1982 /* two pass mode */
1983 if (ost->encoding_needed &&
1984 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1985 char logfilename[1024];
1986 FILE *f;
1987 int size;
1988 char *logbuffer;
1989
1990 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1991 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1992 i);
1993 if (codec->flags & CODEC_FLAG_PASS1) {
1994 f = fopen(logfilename, "w");
1995 if (!f) {
1996 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1997 av_exit(1);
1998 }
1999 ost->logfile = f;
2000 } else {
2001 /* read the log file */
2002 f = fopen(logfilename, "r");
2003 if (!f) {
2004 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2005 av_exit(1);
2006 }
2007 fseek(f, 0, SEEK_END);
2008 size = ftell(f);
2009 fseek(f, 0, SEEK_SET);
2010 logbuffer = av_malloc(size + 1);
2011 if (!logbuffer) {
2012 fprintf(stderr, "Could not allocate log buffer\n");
2013 av_exit(1);
2014 }
2015 size = fread(logbuffer, 1, size, f);
2016 fclose(f);
2017 logbuffer[size] = '\0';
2018 codec->stats_in = logbuffer;
2019 }
2020 }
2021 }
2022 if(codec->codec_type == CODEC_TYPE_VIDEO){
2023 int size= codec->width * codec->height;
2024 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2025 }
2026 }
2027
2028 if (!bit_buffer)
2029 bit_buffer = av_malloc(bit_buffer_size);
2030 if (!bit_buffer) {
2031 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2032 bit_buffer_size);
2033 ret = AVERROR(ENOMEM);
2034 goto fail;
2035 }
2036
2037 /* open each encoder */
2038 for(i=0;i<nb_ostreams;i++) {
2039 ost = ost_table[i];
2040 if (ost->encoding_needed) {
2041 AVCodec *codec = output_codecs[i];
2042 if (!codec)
2043 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2044 if (!codec) {
2045 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2046 ost->st->codec->codec_id, ost->file_index, ost->index);
2047 ret = AVERROR(EINVAL);
2048 goto dump_format;
2049 }
2050 if (avcodec_open(ost->st->codec, codec) < 0) {
2051 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2052 ost->file_index, ost->index);
2053 ret = AVERROR(EINVAL);
2054 goto dump_format;
2055 }
2056 extra_size += ost->st->codec->extradata_size;
2057 }
2058 }
2059
2060 /* open each decoder */
2061 for(i=0;i<nb_istreams;i++) {
2062 ist = ist_table[i];
2063 if (ist->decoding_needed) {
2064 AVCodec *codec = input_codecs[i];
2065 if (!codec)
2066 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2067 if (!codec) {
2068 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2069 ist->st->codec->codec_id, ist->file_index, ist->index);
2070 ret = AVERROR(EINVAL);
2071 goto dump_format;
2072 }
2073 if (avcodec_open(ist->st->codec, codec) < 0) {
2074 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2075 ist->file_index, ist->index);
2076 ret = AVERROR(EINVAL);
2077 goto dump_format;
2078 }
2079 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2080 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2081 }
2082 }
2083
2084 /* init pts */
2085 for(i=0;i<nb_istreams;i++) {
2086 ist = ist_table[i];
2087 ist->pts = 0;
2088 ist->next_pts = AV_NOPTS_VALUE;
2089 ist->is_start = 1;
2090 }
2091
2092 /* set meta data information from input file if required */
2093 for (i=0;i<nb_meta_data_maps;i++) {
2094 AVFormatContext *out_file;
2095 AVFormatContext *in_file;
2096 AVMetadataTag *mtag;
2097
2098 int out_file_index = meta_data_maps[i].out_file;
2099 int in_file_index = meta_data_maps[i].in_file;
2100 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2101 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2102 out_file_index, out_file_index, in_file_index);
2103 ret = AVERROR(EINVAL);
2104 goto dump_format;
2105 }
2106 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2107 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2108 in_file_index, out_file_index, in_file_index);
2109 ret = AVERROR(EINVAL);
2110 goto dump_format;
2111 }
2112
2113 out_file = output_files[out_file_index];
2114 in_file = input_files[in_file_index];
2115
2116
2117 mtag=NULL;
2118 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2119 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2120 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2121 in_file->iformat->metadata_conv);
2122 }
2123
2124 /* open files and write file headers */
2125 for(i=0;i<nb_output_files;i++) {
2126 os = output_files[i];
2127 if (av_write_header(os) < 0) {
2128 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2129 ret = AVERROR(EINVAL);
2130 goto dump_format;
2131 }
2132 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2133 want_sdp = 0;
2134 }
2135 }
2136
2137 dump_format:
2138 /* dump the file output parameters - cannot be done before in case
2139 of stream copy */
2140 for(i=0;i<nb_output_files;i++) {
2141 dump_format(output_files[i], i, output_files[i]->filename, 1);
2142 }
2143
2144 /* dump the stream mapping */
2145 if (verbose >= 0) {
2146 fprintf(stderr, "Stream mapping:\n");
2147 for(i=0;i<nb_ostreams;i++) {
2148 ost = ost_table[i];
2149 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2150 ist_table[ost->source_index]->file_index,
2151 ist_table[ost->source_index]->index,
2152 ost->file_index,
2153 ost->index);
2154 if (ost->sync_ist != ist_table[ost->source_index])
2155 fprintf(stderr, " [sync #%d.%d]",
2156 ost->sync_ist->file_index,
2157 ost->sync_ist->index);
2158 fprintf(stderr, "\n");
2159 }
2160 }
2161
2162 if (ret) {
2163 fprintf(stderr, "%s\n", error);
2164 goto fail;
2165 }
2166
2167 if (want_sdp) {
2168 print_sdp(output_files, nb_output_files);
2169 }
2170
2171 if (!using_stdin && verbose >= 0) {
2172 fprintf(stderr, "Press [q] to stop encoding\n");
2173 url_set_interrupt_cb(decode_interrupt_cb);
2174 }
2175 term_init();
2176
2177 timer_start = av_gettime();
2178
2179 for(; received_sigterm == 0;) {
2180 int file_index, ist_index;
2181 AVPacket pkt;
2182 double ipts_min;
2183 double opts_min;
2184
2185 redo:
2186 ipts_min= 1e100;
2187 opts_min= 1e100;
2188 /* if 'q' pressed, exits */
2189 if (!using_stdin) {
2190 if (q_pressed)
2191 break;
2192 /* read_key() returns 0 on EOF */
2193 key = read_key();
2194 if (key == 'q')
2195 break;
2196 }
2197
2198 /* select the stream that we must read now by looking at the
2199 smallest output pts */
2200 file_index = -1;
2201 for(i=0;i<nb_ostreams;i++) {
2202 double ipts, opts;
2203 ost = ost_table[i];
2204 os = output_files[ost->file_index];
2205 ist = ist_table[ost->source_index];
2206 if(no_packet[ist->file_index])
2207 continue;
2208 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2209 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2210 else
2211 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2212 ipts = (double)ist->pts;
2213 if (!file_table[ist->file_index].eof_reached){
2214 if(ipts < ipts_min) {
2215 ipts_min = ipts;
2216 if(input_sync ) file_index = ist->file_index;
2217 }
2218 if(opts < opts_min) {
2219 opts_min = opts;
2220 if(!input_sync) file_index = ist->file_index;
2221 }
2222 }
2223 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2224 file_index= -1;
2225 break;
2226 }
2227 }
2228 /* if none, if is finished */
2229 if (file_index < 0) {
2230 if(no_packet_count){
2231 no_packet_count=0;
2232 memset(no_packet, 0, sizeof(no_packet));
2233 usleep(10000);
2234 continue;
2235 }
2236 break;
2237 }
2238
2239 /* finish if recording time exhausted */
2240 if (opts_min >= (recording_time / 1000000.0))
2241 break;
2242
2243 /* finish if limit size exhausted */
2244 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2245 break;
2246
2247 /* read a frame from it and output it in the fifo */
2248 is = input_files[file_index];
2249 ret= av_read_frame(is, &pkt);
2250 if(ret == AVERROR(EAGAIN)){
2251 no_packet[file_index]=1;
2252 no_packet_count++;
2253 continue;
2254 }
2255 if (ret < 0) {
2256 file_table[file_index].eof_reached = 1;
2257 if (opt_shortest)
2258 break;
2259 else
2260 continue;
2261 }
2262
2263 no_packet_count=0;
2264 memset(no_packet, 0, sizeof(no_packet));
2265
2266 if (do_pkt_dump) {
2267 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2268 }
2269 /* the following test is needed in case new streams appear
2270 dynamically in stream : we ignore them */
2271 if (pkt.stream_index >= file_table[file_index].nb_streams)
2272 goto discard_packet;
2273 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2274 ist = ist_table[ist_index];
2275 if (ist->discard)
2276 goto discard_packet;
2277
2278 if (pkt.dts != AV_NOPTS_VALUE)
2279 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2280 if (pkt.pts != AV_NOPTS_VALUE)
2281 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2282
2283 if(input_files_ts_scale[file_index][pkt.stream_index]){
2284 if(pkt.pts != AV_NOPTS_VALUE)
2285 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2286 if(pkt.dts != AV_NOPTS_VALUE)
2287 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2288 }
2289
2290 // 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);
2291 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2292 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2293 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2294 int64_t delta= pkt_dts - ist->next_pts;
2295 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2296 input_files_ts_offset[ist->file_index]-= delta;
2297 if (verbose > 2)
2298 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2299 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2300 if(pkt.pts != AV_NOPTS_VALUE)
2301 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2302 }
2303 }
2304
2305 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2306 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2307
2308 if (verbose >= 0)
2309 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2310 ist->file_index, ist->index);
2311 if (exit_on_error)
2312 av_exit(1);
2313 av_free_packet(&pkt);
2314 goto redo;
2315 }
2316
2317 discard_packet:
2318 av_free_packet(&pkt);
2319
2320 /* dump report by using the output first video and audio streams */
2321 print_report(output_files, ost_table, nb_ostreams, 0);
2322 }
2323
2324 /* at the end of stream, we must flush the decoder buffers */
2325 for(i=0;i<nb_istreams;i++) {
2326 ist = ist_table[i];
2327 if (ist->decoding_needed) {
2328 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2329 }
2330 }
2331
2332 term_exit();
2333
2334 /* write the trailer if needed and close file */
2335 for(i=0;i<nb_output_files;i++) {
2336 os = output_files[i];
2337 av_write_trailer(os);
2338 }
2339
2340 /* dump report by using the first video and audio streams */
2341 print_report(output_files, ost_table, nb_ostreams, 1);
2342
2343 /* close each encoder */
2344 for(i=0;i<nb_ostreams;i++) {
2345 ost = ost_table[i];
2346 if (ost->encoding_needed) {
2347 av_freep(&ost->st->codec->stats_in);
2348 avcodec_close(ost->st->codec);
2349 }
2350 }
2351
2352 /* close each decoder */
2353 for(i=0;i<nb_istreams;i++) {
2354 ist = ist_table[i];
2355 if (ist->decoding_needed) {
2356 avcodec_close(ist->st->codec);
2357 }
2358 }
2359
2360 /* finished ! */
2361 ret = 0;
2362
2363 fail:
2364 av_freep(&bit_buffer);
2365 av_free(file_table);
2366
2367 if (ist_table) {
2368 for(i=0;i<nb_istreams;i++) {
2369 ist = ist_table[i];
2370 av_free(ist);
2371 }
2372 av_free(ist_table);
2373 }
2374 if (ost_table) {
2375 for(i=0;i<nb_ostreams;i++) {
2376 ost = ost_table[i];
2377 if (ost) {
2378 if (ost->logfile) {
2379 fclose(ost->logfile);
2380 ost->logfile = NULL;
2381 }
2382 av_fifo_free(ost->fifo); /* works even if fifo is not
2383 initialized but set to zero */
2384 av_free(ost->pict_tmp.data[0]);
2385 if (ost->video_resample)
2386 sws_freeContext(ost->img_resample_ctx);
2387 if (ost->resample)
2388 audio_resample_close(ost->resample);
2389 if (ost->reformat_ctx)
2390 av_audio_convert_free(ost->reformat_ctx);
2391 av_free(ost);
2392 }
2393 }
2394 av_free(ost_table);
2395 }
2396 return ret;
2397 }
2398
2399 static void opt_format(const char *arg)
2400 {
2401 /* compatibility stuff for pgmyuv */
2402 if (!strcmp(arg, "pgmyuv")) {
2403 pgmyuv_compatibility_hack=1;
2404 // opt_image_format(arg);
2405 arg = "image2";
2406 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2407 }
2408
2409 last_asked_format = arg;
2410 }
2411
2412 static void opt_video_rc_override_string(const char *arg)
2413 {
2414 video_rc_override_string = arg;
2415 }
2416
2417 static int opt_me_threshold(const char *opt, const char *arg)
2418 {
2419 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2420 return 0;
2421 }
2422
2423 static int opt_verbose(const char *opt, const char *arg)
2424 {
2425 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2426 return 0;
2427 }
2428
2429 static int opt_frame_rate(const char *opt, const char *arg)
2430 {
2431 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2432 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2433 av_exit(1);
2434 }
2435 return 0;
2436 }
2437
2438 static int opt_bitrate(const char *opt, const char *arg)
2439 {
2440 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2441
2442 opt_default(opt, arg);
2443
2444 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2445 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2446
2447 return 0;
2448 }
2449
2450 static void opt_frame_crop_top(const char *arg)
2451 {
2452 frame_topBand = atoi(arg);
2453 if (frame_topBand < 0) {
2454 fprintf(stderr, "Incorrect top crop size\n");
2455 av_exit(1);
2456 }
2457 if ((frame_topBand) >= frame_height){
2458 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2459 av_exit(1);
2460 }
2461 frame_height -= frame_topBand;
2462 }
2463
2464 static void opt_frame_crop_bottom(const char *arg)
2465 {
2466 frame_bottomBand = atoi(arg);
2467 if (frame_bottomBand < 0) {
2468 fprintf(stderr, "Incorrect bottom crop size\n");
2469 av_exit(1);
2470 }
2471 if ((frame_bottomBand) >= frame_height){
2472 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2473 av_exit(1);
2474 }
2475 frame_height -= frame_bottomBand;
2476 }
2477
2478 static void opt_frame_crop_left(const char *arg)
2479 {
2480 frame_leftBand = atoi(arg);
2481 if (frame_leftBand < 0) {
2482 fprintf(stderr, "Incorrect left crop size\n");
2483 av_exit(1);
2484 }
2485 if ((frame_leftBand) >= frame_width){
2486 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2487 av_exit(1);
2488 }
2489 frame_width -= frame_leftBand;
2490 }
2491
2492 static void opt_frame_crop_right(const char *arg)
2493 {
2494 frame_rightBand = atoi(arg);
2495 if (frame_rightBand < 0) {
2496 fprintf(stderr, "Incorrect right crop size\n");
2497 av_exit(1);
2498 }
2499 if ((frame_rightBand) >= frame_width){
2500 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2501 av_exit(1);
2502 }
2503 frame_width -= frame_rightBand;
2504 }
2505
2506 static void opt_frame_size(const char *arg)
2507 {
2508 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2509 fprintf(stderr, "Incorrect frame size\n");
2510 av_exit(1);
2511 }
2512 }
2513
2514 static void opt_pad_color(const char *arg) {
2515 /* Input is expected to be six hex digits similar to
2516 how colors are expressed in html tags (but without the #) */
2517 int rgb = strtol(arg, NULL, 16);
2518 int r,g,b;
2519
2520 r = (rgb >> 16);
2521 g = ((rgb >> 8) & 255);
2522 b = (rgb & 255);
2523
2524 padcolor[0] = RGB_TO_Y(r,g,b);
2525 padcolor[1] = RGB_TO_U(r,g,b,0);
2526 padcolor[2] = RGB_TO_V(r,g,b,0);
2527 }
2528
2529 static void opt_frame_pad_top(const char *arg)
2530 {
2531 frame_padtop = atoi(arg);
2532 if (frame_padtop < 0) {
2533 fprintf(stderr, "Incorrect top pad size\n");
2534 av_exit(1);
2535 }
2536 }
2537
2538 static void opt_frame_pad_bottom(const char *arg)
2539 {
2540 frame_padbottom = atoi(arg);
2541 if (frame_padbottom < 0) {
2542 fprintf(stderr, "Incorrect bottom pad size\n");
2543 av_exit(1);
2544 }
2545 }
2546
2547
2548 static void opt_frame_pad_left(const char *arg)
2549 {
2550 frame_padleft = atoi(arg);
2551 if (frame_padleft < 0) {
2552 fprintf(stderr, "Incorrect left pad size\n");
2553 av_exit(1);
2554 }
2555 }
2556
2557
2558 static void opt_frame_pad_right(const char *arg)
2559 {
2560 frame_padright = atoi(arg);
2561 if (frame_padright < 0) {
2562 fprintf(stderr, "Incorrect right pad size\n");
2563 av_exit(1);
2564 }
2565 }
2566
2567 static void opt_frame_pix_fmt(const char *arg)
2568 {
2569 if (strcmp(arg, "list")) {
2570 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2571 if (frame_pix_fmt == PIX_FMT_NONE) {
2572 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2573 av_exit(1);
2574 }
2575 } else {
2576 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2577 av_exit(0);
2578 }
2579 }
2580
2581 static void opt_frame_aspect_ratio(const char *arg)
2582 {
2583 int x = 0, y = 0;
2584 double ar = 0;
2585 const char *p;
2586 char *end;
2587
2588 p = strchr(arg, ':');
2589 if (p) {
2590 x = strtol(arg, &end, 10);
2591 if (end == p)
2592 y = strtol(end+1, &end, 10);
2593 if (x > 0 && y > 0)
2594 ar = (double)x / (double)y;
2595 } else
2596 ar = strtod(arg, NULL);
2597
2598 if (!ar) {
2599 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2600 av_exit(1);
2601 }
2602 frame_aspect_ratio = ar;
2603 }
2604
2605 static int opt_metadata(const char *opt, const char *arg)
2606 {
2607 char *mid= strchr(arg, '=');
2608
2609 if(!mid){
2610 fprintf(stderr, "Missing =\n");
2611 av_exit(1);
2612 }
2613 *mid++= 0;
2614
2615 metadata_count++;
2616 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2617 metadata[metadata_count-1].key = av_strdup(arg);
2618 metadata[metadata_count-1].value= av_strdup(mid);
2619
2620 return 0;
2621 }
2622
2623 static void opt_qscale(const char *arg)
2624 {
2625 video_qscale = atof(arg);
2626 if (video_qscale <= 0 ||
2627 video_qscale > 255) {
2628 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2629 av_exit(1);
2630 }
2631 }
2632
2633 static void opt_top_field_first(const char *arg)
2634 {
2635 top_field_first= atoi(arg);
2636 }
2637
2638 static int opt_thread_count(const char *opt, const char *arg)
2639 {
2640 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2641 #if !HAVE_THREADS
2642 if (verbose >= 0)
2643 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2644 #endif
2645 return 0;
2646 }
2647
2648 static void opt_audio_sample_fmt(const char *arg)
2649 {
2650 if (strcmp(arg, "list"))
2651 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2652 else {
2653 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2654 av_exit(0);
2655 }
2656 }
2657
2658 static int opt_audio_rate(const char *opt, const char *arg)
2659 {
2660 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2661 return 0;
2662 }
2663
2664 static int opt_audio_channels(const char *opt, const char *arg)
2665 {
2666 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2667 return 0;
2668 }
2669
2670 static void opt_video_channel(const char *arg)
2671 {
2672 video_channel = strtol(arg, NULL, 0);
2673 }
2674
2675 static void opt_video_standard(const char *arg)
2676 {
2677 video_standard = av_strdup(arg);
2678 }
2679
2680 static void opt_codec(int *pstream_copy, char **pcodec_name,
2681 int codec_type, const char *arg)
2682 {
2683 av_freep(pcodec_name);
2684 if (!strcmp(arg, "copy")) {
2685 *pstream_copy = 1;
2686 } else {
2687 *pcodec_name = av_strdup(arg);
2688 }
2689 }
2690
2691 static void opt_audio_codec(const char *arg)
2692 {
2693 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2694 }
2695
2696 static void opt_audio_tag(const char *arg)
2697 {
2698 char *tail;
2699 audio_codec_tag= strtol(arg, &tail, 0);
2700
2701 if(!tail || *tail)
2702 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2703 }
2704
2705 static void opt_video_tag(const char *arg)
2706 {
2707 char *tail;
2708 video_codec_tag= strtol(arg, &tail, 0);
2709
2710 if(!tail || *tail)
2711 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2712 }
2713
2714 static void opt_video_codec(const char *arg)
2715 {
2716 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2717 }
2718
2719 static void opt_subtitle_codec(const char *arg)
2720 {
2721 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2722 }
2723
2724 static void opt_subtitle_tag(const char *arg)
2725 {
2726 char *tail;
2727 subtitle_codec_tag= strtol(arg, &tail, 0);
2728
2729 if(!tail || *tail)
2730 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2731 }
2732
2733 static void opt_map(const char *arg)
2734 {
2735 AVStreamMap *m;
2736 char *p;
2737
2738 m = &stream_maps[nb_stream_maps++];
2739
2740 m->file_index = strtol(arg, &p, 0);
2741 if (*p)
2742 p++;
2743
2744 m->stream_index = strtol(p, &p, 0);
2745 if (*p) {
2746 p++;
2747 m->sync_file_index = strtol(p, &p, 0);
2748 if (*p)
2749 p++;
2750 m->sync_stream_index = strtol(p, &p, 0);
2751 } else {
2752 m->sync_file_index = m->file_index;
2753 m->sync_stream_index = m->stream_index;
2754 }
2755 }
2756
2757 static void opt_map_meta_data(const char *arg)
2758 {
2759 AVMetaDataMap *m;
2760 char *p;
2761
2762 m = &meta_data_maps[nb_meta_data_maps++];
2763
2764 m->out_file = strtol(arg, &p, 0);
2765 if (*p)
2766 p++;
2767
2768 m->in_file = strtol(p, &p, 0);
2769 }
2770
2771 static void opt_input_ts_scale(const char *arg)
2772 {
2773 unsigned int stream;
2774 double scale;
2775 char *p;
2776
2777 stream = strtol(arg, &p, 0);
2778 if (*p)
2779 p++;
2780 scale= strtod(p, &p);
2781
2782 if(stream >= MAX_STREAMS)
2783 av_exit(1);
2784
2785 input_files_ts_scale[nb_input_files][stream]= scale;
2786 }
2787
2788 static int opt_recording_time(const char *opt, const char *arg)
2789 {
2790 recording_time = parse_time_or_die(opt, arg, 1);
2791 return 0;
2792 }
2793
2794 static int opt_start_time(const char *opt, const char *arg)
2795 {
2796 start_time = parse_time_or_die(opt, arg, 1);
2797 return 0;
2798 }
2799
2800 static int opt_rec_timestamp(const char *opt, const char *arg)
2801 {
2802 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2803 return 0;
2804 }
2805
2806 static int opt_input_ts_offset(const char *opt, const char *arg)
2807 {
2808 input_ts_offset = parse_time_or_die(opt, arg, 1);
2809 return 0;
2810 }
2811
2812 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2813 {
2814 const char *codec_string = encoder ? "encoder" : "decoder";
2815 AVCodec *codec;
2816
2817 if(!name)
2818 return CODEC_ID_NONE;
2819 codec = encoder ?
2820 avcodec_find_encoder_by_name(name) :
2821 avcodec_find_decoder_by_name(name);
2822 if(!codec) {
2823 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2824 av_exit(1);
2825 }
2826 if(codec->type != type) {
2827 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2828 av_exit(1);
2829 }
2830 return codec->id;
2831 }
2832
2833 static void opt_input_file(const char *filename)
2834 {
2835 AVFormatContext *ic;
2836 AVFormatParameters params, *ap = &params;
2837 AVInputFormat *file_iformat = NULL;
2838 int err, i, ret, rfps, rfps_base;
2839 int64_t timestamp;
2840
2841 if (last_asked_format) {
2842 file_iformat = av_find_input_format(last_asked_format);
2843 last_asked_format = NULL;
2844 }
2845
2846 if (!strcmp(filename, "-"))
2847 filename = "pipe:";
2848
2849 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2850 !strcmp(filename, "/dev/stdin");
2851
2852 /* get default parameters from command line */
2853 ic = avformat_alloc_context();
2854 if (!ic) {
2855 print_error(filename, AVERROR(ENOMEM));
2856 av_exit(1);
2857 }
2858
2859 memset(ap, 0, sizeof(*ap));
2860 ap->prealloced_context = 1;
2861 ap->sample_rate = audio_sample_rate;
2862 ap->channels = audio_channels;
2863 ap->time_base.den = frame_rate.num;
2864 ap->time_base.num = frame_rate.den;
2865 ap->width = frame_width + frame_padleft + frame_padright;
2866 ap->height = frame_height + frame_padtop + frame_padbottom;
2867 ap->pix_fmt = frame_pix_fmt;
2868 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2869 ap->channel = video_channel;
2870 ap->standard = video_standard;
2871 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2872 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2873 if(pgmyuv_compatibility_hack)
2874 ap->video_codec_id= CODEC_ID_PGMYUV;
2875
2876 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2877
2878 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2879 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2880 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2881 ic->flags |= AVFMT_FLAG_NONBLOCK;
2882
2883 /* open the input file with generic libav function */
2884 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2885 if (err < 0) {
2886 print_error(filename, err);
2887 av_exit(1);
2888 }
2889 if(opt_programid) {
2890 int i;
2891 for(i=0; i<ic->nb_programs; i++)
2892 if(ic->programs[i]->id != opt_programid)
2893 ic->programs[i]->discard = AVDISCARD_ALL;
2894 }
2895
2896 ic->loop_input = loop_input;
2897
2898 /* If not enough info to get the stream parameters, we decode the
2899 first frames to get it. (used in mpeg case for example) */
2900 ret = av_find_stream_info(ic);
2901 if (ret < 0 && verbose >= 0) {
2902 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2903 av_exit(1);
2904 }
2905
2906 timestamp = start_time;
2907 /* add the stream start time */
2908 if (ic->start_time != AV_NOPTS_VALUE)
2909 timestamp += ic->start_time;
2910
2911 /* if seeking requested, we execute it */
2912 if (start_time != 0) {
2913 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2914 if (ret < 0) {
2915 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2916 filename, (double)timestamp / AV_TIME_BASE);
2917 }
2918 /* reset seek info */
2919 start_time = 0;
2920 }
2921
2922 /* update the current parameters so that they match the one of the input stream */
2923 for(i=0;i<ic->nb_streams;i++) {
2924 AVCodecContext *enc = ic->streams[i]->codec;
2925 if(thread_count>1)
2926 avcodec_thread_init(enc, thread_count);
2927 enc->thread_count= thread_count;
2928 switch(enc->codec_type) {
2929 case CODEC_TYPE_AUDIO:
2930 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2931 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2932 channel_layout = enc->channel_layout;
2933 audio_channels = enc->channels;
2934 audio_sample_rate = enc->sample_rate;
2935 audio_sample_fmt = enc->sample_fmt;
2936 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2937 if(audio_disable)
2938 ic->streams[i]->discard= AVDISCARD_ALL;
2939 break;
2940 case CODEC_TYPE_VIDEO:
2941 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2942 frame_height = enc->height;
2943 frame_width = enc->width;
2944 if(ic->streams[i]->sample_aspect_ratio.num)
2945 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2946 else
2947 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2948 frame_aspect_ratio *= (float) enc->width / enc->height;
2949 frame_pix_fmt = enc->pix_fmt;
2950 rfps = ic->streams[i]->r_frame_rate.num;
2951 rfps_base = ic->streams[i]->r_frame_rate.den;
2952 if(enc->lowres) {
2953 enc->flags |= CODEC_FLAG_EMU_EDGE;
2954 frame_height >>= enc->lowres;
2955 frame_width >>= enc->lowres;
2956 }
2957 if(me_threshold)
2958 enc->debug |= FF_DEBUG_MV;
2959
2960 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2961
2962 if (verbose >= 0)
2963 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2964 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2965
2966 (float)rfps / rfps_base, rfps, rfps_base);
2967 }
2968 /* update the current frame rate to match the stream frame rate */
2969 frame_rate.num = rfps;
2970 frame_rate.den = rfps_base;
2971
2972 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2973 if(video_disable)
2974 ic->streams[i]->discard= AVDISCARD_ALL;
2975 else if(video_discard)
2976 ic->streams[i]->discard= video_discard;
2977 break;
2978 case CODEC_TYPE_DATA:
2979 break;
2980 case CODEC_TYPE_SUBTITLE:
2981 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2982 if(subtitle_disable)
2983 ic->streams[i]->discard = AVDISCARD_ALL;
2984 break;
2985 case CODEC_TYPE_ATTACHMENT:
2986 case CODEC_TYPE_UNKNOWN:
2987 nb_icodecs++;
2988 break;
2989 default:
2990 abort();
2991 }
2992 }
2993
2994 input_files[nb_input_files] = ic;
2995 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2996 /* dump the file content */
2997 if (verbose >= 0)
2998 dump_format(ic, nb_input_files, filename, 0);
2999
3000 nb_input_files++;
3001
3002 video_channel = 0;
3003
3004 av_freep(&video_codec_name);
3005 av_freep(&audio_codec_name);
3006 av_freep(&subtitle_codec_name);
3007 }
3008
3009 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3010 int *has_subtitle_ptr)
3011 {
3012 int has_video, has_audio, has_subtitle, i, j;
3013 AVFormatContext *ic;
3014
3015 has_video = 0;
3016 has_audio = 0;
3017 has_subtitle = 0;
3018 for(j=0;j<nb_input_files;j++) {
3019 ic = input_files[j];
3020 for(i=0;i<ic->nb_streams;i++) {
3021 AVCodecContext *enc = ic->streams[i]->codec;
3022 switch(enc->codec_type) {
3023 case CODEC_TYPE_AUDIO:
3024 has_audio = 1;
3025 break;
3026 case CODEC_TYPE_VIDEO:
3027 has_video = 1;
3028 break;
3029 case CODEC_TYPE_SUBTITLE:
3030 has_subtitle = 1;
3031 break;
3032 case CODEC_TYPE_DATA:
3033 case CODEC_TYPE_ATTACHMENT:
3034 case CODEC_TYPE_UNKNOWN:
3035 break;
3036 default:
3037 abort();
3038 }
3039 }
3040 }
3041 *has_video_ptr = has_video;
3042 *has_audio_ptr = has_audio;
3043 *has_subtitle_ptr = has_subtitle;
3044 }
3045
3046 static void new_video_stream(AVFormatContext *oc)
3047 {
3048 AVStream *st;
3049 AVCodecContext *video_enc;
3050 enum CodecID codec_id;
3051
3052 st = av_new_stream(oc, oc->nb_streams);
3053 if (!st) {
3054 fprintf(stderr, "Could not alloc stream\n");
3055 av_exit(1);
3056 }
3057 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3058 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3059 video_bitstream_filters= NULL;
3060
3061 if(thread_count>1)
3062 avcodec_thread_init(st->codec, thread_count);
3063
3064 video_enc = st->codec;
3065
3066 if(video_codec_tag)
3067 video_enc->codec_tag= video_codec_tag;
3068
3069 if( (video_global_header&1)
3070 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3071 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3072 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3073 }
3074 if(video_global_header&2){
3075 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3076 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3077 }
3078
3079 if (video_stream_copy) {
3080 st->stream_copy = 1;
3081 video_enc->codec_type = CODEC_TYPE_VIDEO;
3082 video_enc->sample_aspect_ratio =
3083 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3084 } else {
3085 const char *p;
3086 int i;
3087 AVCodec *codec;
3088 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3089
3090 if (video_codec_name) {
3091 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3092 codec = avcodec_find_encoder_by_name(video_codec_name);
3093 output_codecs[nb_ocodecs] = codec;
3094 } else {
3095 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3096 codec = avcodec_find_encoder(codec_id);
3097 }
3098
3099 video_enc->codec_id = codec_id;
3100
3101 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3102
3103 if (codec && codec->supported_framerates && !force_fps)
3104 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3105 video_enc->time_base.den = fps.num;
3106 video_enc->time_base.num = fps.den;
3107
3108 video_enc->width = frame_width + frame_padright + frame_padleft;
3109 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3110 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3111 video_enc->pix_fmt = frame_pix_fmt;
3112 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3113
3114 if(codec && codec->pix_fmts){
3115 const enum PixelFormat *p= codec->pix_fmts;
3116 for(; *p!=-1; p++){
3117 if(*p == video_enc->pix_fmt)
3118 break;
3119 }
3120 if(*p == -1)
3121 video_enc->pix_fmt = codec->pix_fmts[0];
3122 }
3123
3124 if (intra_only)
3125 video_enc->gop_size = 0;
3126 if (video_qscale || same_quality) {
3127 video_enc->flags |= CODEC_FLAG_QSCALE;
3128 video_enc->global_quality=
3129 st->quality = FF_QP2LAMBDA * video_qscale;
3130 }
3131
3132 if(intra_matrix)
3133 video_enc->intra_matrix = intra_matrix;
3134 if(inter_matrix)
3135 video_enc->inter_matrix = inter_matrix;
3136
3137 video_enc->thread_count = thread_count;
3138 p= video_rc_override_string;
3139 for(i=0; p; i++){
3140 int start, end, q;
3141 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3142 if(e!=3){
3143 fprintf(stderr, "error parsing rc_override\n");
3144 av_exit(1);
3145 }
3146 video_enc->rc_override=
3147 av_realloc(video_enc->rc_override,
3148 sizeof(RcOverride)*(i+1));
3149 video_enc->rc_override[i].start_frame= start;
3150 video_enc->rc_override[i].end_frame = end;
3151 if(q>0){
3152 video_enc->rc_override[i].qscale= q;
3153 video_enc->rc_override[i].quality_factor= 1.0;
3154 }
3155 else{
3156 video_enc->rc_override[i].qscale= 0;
3157 video_enc->rc_override[i].quality_factor= -q/100.0;
3158 }
3159 p= strchr(p, '/');
3160 if(p) p++;
3161 }
3162 video_enc->rc_override_count=i;
3163 if (!video_enc->rc_initial_buffer_occupancy)
3164 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3165 video_enc->me_threshold= me_threshold;
3166 video_enc->intra_dc_precision= intra_dc_precision - 8;
3167
3168 if (do_psnr)
3169 video_enc->flags|= CODEC_FLAG_PSNR;
3170
3171 /* two pass mode */
3172 if (do_pass) {
3173 if (do_pass == 1) {
3174 video_enc->flags |= CODEC_FLAG_PASS1;
3175 } else {
3176 video_enc->flags |= CODEC_FLAG_PASS2;
3177 }
3178 }
3179 }
3180 nb_ocodecs++;
3181
3182 /* reset some key parameters */
3183 video_disable = 0;
3184 av_freep(&video_codec_name);
3185 video_stream_copy = 0;
3186 }
3187
3188 static void new_audio_stream(AVFormatContext *oc)
3189 {
3190 AVStream *st;
3191 AVCodecContext *audio_enc;
3192 enum CodecID codec_id;