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Initialize thread_context[0] with h264 parser context.
[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 100
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 char *video_language = NULL;
138 static int same_quality = 0;
139 static int do_deinterlace = 0;
140 static int top_field_first = -1;
141 static int me_threshold = 0;
142 static int intra_dc_precision = 8;
143 static int loop_input = 0;
144 static int loop_output = AVFMT_NOOUTPUTLOOP;
145 static int qp_hist = 0;
146
147 static int intra_only = 0;
148 static int audio_sample_rate = 44100;
149 static int64_t channel_layout = 0;
150 #define QSCALE_NONE -99999
151 static float audio_qscale = QSCALE_NONE;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static char *audio_codec_name = NULL;
155 static int audio_codec_tag = 0;
156 static char *audio_language = NULL;
157
158 static int subtitle_disable = 0;
159 static char *subtitle_codec_name = NULL;
160 static char *subtitle_language = NULL;
161 static int subtitle_codec_tag = 0;
162
163 static float mux_preload= 0.5;
164 static float mux_max_delay= 0.7;
165
166 static int64_t recording_time = INT64_MAX;
167 static int64_t start_time = 0;
168 static int64_t rec_timestamp = 0;
169 static int64_t input_ts_offset = 0;
170 static int file_overwrite = 0;
171 static int metadata_count;
172 static AVMetadataTag *metadata;
173 static int do_benchmark = 0;
174 static int do_hex_dump = 0;
175 static int do_pkt_dump = 0;
176 static int do_psnr = 0;
177 static int do_pass = 0;
178 static char *pass_logfilename_prefix = NULL;
179 static int audio_stream_copy = 0;
180 static int video_stream_copy = 0;
181 static int subtitle_stream_copy = 0;
182 static int video_sync_method= -1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int opt_shortest = 0;
187 static int video_global_header = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190 static int opt_programid = 0;
191 static int copy_initial_nonkeyframes = 0;
192
193 static int rate_emu = 0;
194
195 static int video_channel = 0;
196 static char *video_standard;
197
198 static int audio_volume = 256;
199
200 static int exit_on_error = 0;
201 static int using_stdin = 0;
202 static int verbose = 1;
203 static int thread_count= 1;
204 static int q_pressed = 0;
205 static int64_t video_size = 0;
206 static int64_t audio_size = 0;
207 static int64_t extra_size = 0;
208 static int nb_frames_dup = 0;
209 static int nb_frames_drop = 0;
210 static int input_sync;
211 static uint64_t limit_filesize = 0;
212 static int force_fps = 0;
213
214 static int pgmyuv_compatibility_hack=0;
215 static float dts_delta_threshold = 10;
216
217 static unsigned int sws_flags = SWS_BICUBIC;
218
219 static int64_t timer_start;
220
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
224
225 static short *samples;
226
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
231
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
233
234 struct AVInputStream;
235
236 typedef struct AVOutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* AVInputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
242 int frame_number;
243 /* input pts and corresponding output pts
244 for A/V sync */
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct AVInputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
248 /* video only */
249 int video_resample;
250 AVFrame pict_tmp; /* temporary image for resampling */
251 struct SwsContext *img_resample_ctx; /* for image resampling */
252 int resample_height;
253 int resample_width;
254 int resample_pix_fmt;
255
256 /* full frame size of first frame */
257 int original_height;
258 int original_width;
259
260 /* cropping area sizes */
261 int video_crop;
262 int topBand;
263 int bottomBand;
264 int leftBand;
265 int rightBand;
266
267 /* cropping area of first frame */
268 int original_topBand;
269 int original_bottomBand;
270 int original_leftBand;
271 int original_rightBand;
272
273 /* padding area sizes */
274 int video_pad;
275 int padtop;
276 int padbottom;
277 int padleft;
278 int padright;
279
280 /* audio only */
281 int audio_resample;
282 ReSampleContext *resample; /* for audio resampling */
283 int reformat_pair;
284 AVAudioConvert *reformat_ctx;
285 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
286 FILE *logfile;
287 } AVOutputStream;
288
289 typedef struct AVInputStream {
290 int file_index;
291 int index;
292 AVStream *st;
293 int discard; /* true if stream data should be discarded */
294 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
295 int64_t sample_index; /* current sample */
296
297 int64_t start; /* time when read started */
298 int64_t next_pts; /* synthetic pts for cases where pkt.pts
299 is not defined */
300 int64_t pts; /* current pts */
301 int is_start; /* is 1 at the start and after a discontinuity */
302 int showed_multi_packet_warning;
303 } AVInputStream;
304
305 typedef struct AVInputFile {
306 int eof_reached; /* true if eof reached */
307 int ist_index; /* index of first stream in ist_table */
308 int buffer_size; /* current total buffer size */
309 int nb_streams; /* nb streams we are aware of */
310 } AVInputFile;
311
312 #if HAVE_TERMIOS_H
313
314 /* init terminal so that we can grab keys */
315 static struct termios oldtty;
316 #endif
317
318 static void term_exit(void)
319 {
320 #if HAVE_TERMIOS_H
321 tcsetattr (0, TCSANOW, &oldtty);
322 #endif
323 }
324
325 static volatile int received_sigterm = 0;
326
327 static void
328 sigterm_handler(int sig)
329 {
330 received_sigterm = sig;
331 term_exit();
332 }
333
334 static void term_init(void)
335 {
336 #if HAVE_TERMIOS_H
337 struct termios tty;
338
339 tcgetattr (0, &tty);
340 oldtty = tty;
341
342 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
343 |INLCR|IGNCR|ICRNL|IXON);
344 tty.c_oflag |= OPOST;
345 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
346 tty.c_cflag &= ~(CSIZE|PARENB);
347 tty.c_cflag |= CS8;
348 tty.c_cc[VMIN] = 1;
349 tty.c_cc[VTIME] = 0;
350
351 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
353 #endif
354
355 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
356 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
357 #ifdef SIGXCPU
358 signal(SIGXCPU, sigterm_handler);
359 #endif
360
361 /*
362 register a function to be called at normal program termination
363 */
364 atexit(term_exit);
365 #if CONFIG_BEOS_NETSERVER
366 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
367 #endif
368 }
369
370 /* read a key without blocking */
371 static int read_key(void)
372 {
373 #if HAVE_TERMIOS_H
374 int n = 1;
375 unsigned char ch;
376 #if !CONFIG_BEOS_NETSERVER
377 struct timeval tv;
378 fd_set rfds;
379
380 FD_ZERO(&rfds);
381 FD_SET(0, &rfds);
382 tv.tv_sec = 0;
383 tv.tv_usec = 0;
384 n = select(1, &rfds, NULL, NULL, &tv);
385 #endif
386 if (n > 0) {
387 n = read(0, &ch, 1);
388 if (n == 1)
389 return ch;
390
391 return n;
392 }
393 #elif HAVE_CONIO_H
394 if(kbhit())
395 return(getch());
396 #endif
397 return -1;
398 }
399
400 static int decode_interrupt_cb(void)
401 {
402 return q_pressed || (q_pressed = read_key() == 'q');
403 }
404
405 static int av_exit(int ret)
406 {
407 int i;
408
409 /* close files */
410 for(i=0;i<nb_output_files;i++) {
411 /* maybe av_close_output_file ??? */
412 AVFormatContext *s = output_files[i];
413 int j;
414 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
415 url_fclose(s->pb);
416 for(j=0;j<s->nb_streams;j++) {
417 av_metadata_free(&s->streams[j]->metadata);
418 av_free(s->streams[j]->codec);
419 av_free(s->streams[j]);
420 }
421 for(j=0;j<s->nb_programs;j++) {
422 av_metadata_free(&s->programs[j]->metadata);
423 }
424 for(j=0;j<s->nb_chapters;j++) {
425 av_metadata_free(&s->chapters[j]->metadata);
426 }
427 av_metadata_free(&s->metadata);
428 av_free(s);
429 }
430 for(i=0;i<nb_input_files;i++)
431 av_close_input_file(input_files[i]);
432
433 av_free(intra_matrix);
434 av_free(inter_matrix);
435
436 if (vstats_file)
437 fclose(vstats_file);
438 av_free(vstats_filename);
439
440 av_free(opt_names);
441
442 av_free(video_codec_name);
443 av_free(audio_codec_name);
444 av_free(subtitle_codec_name);
445
446 av_free(video_standard);
447
448 #if CONFIG_POWERPC_PERF
449 void powerpc_display_perf_report(void);
450 powerpc_display_perf_report();
451 #endif /* CONFIG_POWERPC_PERF */
452
453 for (i=0;i<CODEC_TYPE_NB;i++)
454 av_free(avcodec_opts[i]);
455 av_free(avformat_opts);
456 av_free(sws_opts);
457 av_free(audio_buf);
458 av_free(audio_out);
459 allocated_audio_buf_size= allocated_audio_out_size= 0;
460 av_free(samples);
461
462 if (received_sigterm) {
463 fprintf(stderr,
464 "Received signal %d: terminating.\n",
465 (int) received_sigterm);
466 exit (255);
467 }
468
469 exit(ret); /* not all OS-es handle main() return value */
470 return ret;
471 }
472
473 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
474 {
475 int i, err;
476 AVFormatContext *ic;
477 int nopts = 0;
478
479 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
480 if (err < 0)
481 return err;
482 /* copy stream format */
483 s->nb_streams = ic->nb_streams;
484 for(i=0;i<ic->nb_streams;i++) {
485 AVStream *st;
486
487 // FIXME: a more elegant solution is needed
488 st = av_mallocz(sizeof(AVStream));
489 memcpy(st, ic->streams[i], sizeof(AVStream));
490 st->codec = avcodec_alloc_context();
491 if (!st->codec) {
492 print_error(filename, AVERROR(ENOMEM));
493 av_exit(1);
494 }
495 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
496 s->streams[i] = st;
497
498 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
499 st->stream_copy = 1;
500 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
501 st->stream_copy = 1;
502
503 if(!st->codec->thread_count)
504 st->codec->thread_count = 1;
505 if(st->codec->thread_count>1)
506 avcodec_thread_init(st->codec, st->codec->thread_count);
507
508 if(st->codec->flags & CODEC_FLAG_BITEXACT)
509 nopts = 1;
510 }
511
512 if (!nopts)
513 s->timestamp = av_gettime();
514
515 av_close_input_file(ic);
516 return 0;
517 }
518
519 static double
520 get_sync_ipts(const AVOutputStream *ost)
521 {
522 const AVInputStream *ist = ost->sync_ist;
523 return (double)(ist->pts - start_time)/AV_TIME_BASE;
524 }
525
526 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
527 int ret;
528
529 while(bsfc){
530 AVPacket new_pkt= *pkt;
531 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
532 &new_pkt.data, &new_pkt.size,
533 pkt->data, pkt->size,
534 pkt->flags & PKT_FLAG_KEY);
535 if(a>0){
536 av_free_packet(pkt);
537 new_pkt.destruct= av_destruct_packet;
538 } else if(a<0){
539 fprintf(stderr, "%s failed for stream %d, codec %s",
540 bsfc->filter->name, pkt->stream_index,
541 avctx->codec ? avctx->codec->name : "copy");
542 print_error("", a);
543 if (exit_on_error)
544 av_exit(1);
545 }
546 *pkt= new_pkt;
547
548 bsfc= bsfc->next;
549 }
550
551 ret= av_interleaved_write_frame(s, pkt);
552 if(ret < 0){
553 print_error("av_interleaved_write_frame()", ret);
554 av_exit(1);
555 }
556 }
557
558 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
559
560 static void do_audio_out(AVFormatContext *s,
561 AVOutputStream *ost,
562 AVInputStream *ist,
563 unsigned char *buf, int size)
564 {
565 uint8_t *buftmp;
566 int64_t audio_out_size, audio_buf_size;
567 int64_t allocated_for_size= size;
568
569 int size_out, frame_bytes, ret;
570 AVCodecContext *enc= ost->st->codec;
571 AVCodecContext *dec= ist->st->codec;
572 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
573 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
574 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
575
576 need_realloc:
577 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
578 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
579 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
580 audio_buf_size*= osize*enc->channels;
581
582 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
583 if(coded_bps > 8*osize)
584 audio_out_size= audio_out_size * coded_bps / (8*osize);
585 audio_out_size += FF_MIN_BUFFER_SIZE;
586
587 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
588 fprintf(stderr, "Buffer sizes too large\n");
589 av_exit(1);
590 }
591
592 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
593 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
594 if (!audio_buf || !audio_out){
595 fprintf(stderr, "Out of memory in do_audio_out\n");
596 av_exit(1);
597 }
598
599 if (enc->channels != dec->channels)
600 ost->audio_resample = 1;
601
602 if (ost->audio_resample && !ost->resample) {
603 if (dec->sample_fmt != SAMPLE_FMT_S16)
604 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
605 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
606 enc->sample_rate, dec->sample_rate,
607 enc->sample_fmt, dec->sample_fmt,
608 16, 10, 0, 0.8);
609 if (!ost->resample) {
610 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
611 dec->channels, dec->sample_rate,
612 enc->channels, enc->sample_rate);
613 av_exit(1);
614 }
615 }
616
617 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
618 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
619 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
620 if (ost->reformat_ctx)
621 av_audio_convert_free(ost->reformat_ctx);
622 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
623 dec->sample_fmt, 1, NULL, 0);
624 if (!ost->reformat_ctx) {
625 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
626 avcodec_get_sample_fmt_name(dec->sample_fmt),
627 avcodec_get_sample_fmt_name(enc->sample_fmt));
628 av_exit(1);
629 }
630 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
631 }
632
633 if(audio_sync_method){
634 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
635 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
636 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
637 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
638
639 //FIXME resample delay
640 if(fabs(delta) > 50){
641 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
642 if(byte_delta < 0){
643 byte_delta= FFMAX(byte_delta, -size);
644 size += byte_delta;
645 buf -= byte_delta;
646 if(verbose > 2)
647 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
648 if(!size)
649 return;
650 ist->is_start=0;
651 }else{
652 static uint8_t *input_tmp= NULL;
653 input_tmp= av_realloc(input_tmp, byte_delta + size);
654
655 if(byte_delta > allocated_for_size - size){
656 allocated_for_size= byte_delta + (int64_t)size;
657 goto need_realloc;
658 }
659 ist->is_start=0;
660
661 memset(input_tmp, 0, byte_delta);
662 memcpy(input_tmp + byte_delta, buf, size);
663 buf= input_tmp;
664 size += byte_delta;
665 if(verbose > 2)
666 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
667 }
668 }else if(audio_sync_method>1){
669 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
670 assert(ost->audio_resample);
671 if(verbose > 2)
672 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
673 // 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));
674 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
675 }
676 }
677 }else
678 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
679 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
680
681 if (ost->audio_resample) {
682 buftmp = audio_buf;
683 size_out = audio_resample(ost->resample,
684 (short *)buftmp, (short *)buf,
685 size / (ist->st->codec->channels * isize));
686 size_out = size_out * enc->channels * osize;
687 } else {
688 buftmp = buf;
689 size_out = size;
690 }
691
692 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
693 const void *ibuf[6]= {buftmp};
694 void *obuf[6]= {audio_buf};
695 int istride[6]= {isize};
696 int ostride[6]= {osize};
697 int len= size_out/istride[0];
698 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
699 printf("av_audio_convert() failed\n");
700 if (exit_on_error)
701 av_exit(1);
702 return;
703 }
704 buftmp = audio_buf;
705 size_out = len*osize;
706 }
707
708 /* now encode as many frames as possible */
709 if (enc->frame_size > 1) {
710 /* output resampled raw samples */
711 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
712 fprintf(stderr, "av_fifo_realloc2() failed\n");
713 av_exit(1);
714 }
715 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
716
717 frame_bytes = enc->frame_size * osize * enc->channels;
718
719 while (av_fifo_size(ost->fifo) >= frame_bytes) {
720 AVPacket pkt;
721 av_init_packet(&pkt);
722
723 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
724
725 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
726
727 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
728 (short *)audio_buf);
729 if (ret < 0) {
730 fprintf(stderr, "Audio encoding failed\n");
731 av_exit(1);
732 }
733 audio_size += ret;
734 pkt.stream_index= ost->index;
735 pkt.data= audio_out;
736 pkt.size= ret;
737 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
738 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
739 pkt.flags |= PKT_FLAG_KEY;
740 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
741
742 ost->sync_opts += enc->frame_size;
743 }
744 } else {
745 AVPacket pkt;
746 av_init_packet(&pkt);
747
748 ost->sync_opts += size_out / (osize * enc->channels);
749
750 /* output a pcm frame */
751 /* determine the size of the coded buffer */
752 size_out /= osize;
753 if (coded_bps)
754 size_out = size_out*coded_bps/8;
755
756 if(size_out > audio_out_size){
757 fprintf(stderr, "Internal error, buffer size too small\n");
758 av_exit(1);
759 }
760
761 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
762 ret = avcodec_encode_audio(enc, audio_out, size_out,
763 (short *)buftmp);
764 if (ret < 0) {
765 fprintf(stderr, "Audio encoding failed\n");
766 av_exit(1);
767 }
768 audio_size += ret;
769 pkt.stream_index= ost->index;
770 pkt.data= audio_out;
771 pkt.size= ret;
772 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
773 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
774 pkt.flags |= PKT_FLAG_KEY;
775 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
776 }
777 }
778
779 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
780 {
781 AVCodecContext *dec;
782 AVPicture *picture2;
783 AVPicture picture_tmp;
784 uint8_t *buf = 0;
785
786 dec = ist->st->codec;
787
788 /* deinterlace : must be done before any resize */
789 if (do_deinterlace) {
790 int size;
791
792 /* create temporary picture */
793 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
794 buf = av_malloc(size);
795 if (!buf)
796 return;
797
798 picture2 = &picture_tmp;
799 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
800
801 if(avpicture_deinterlace(picture2, picture,
802 dec->pix_fmt, dec->width, dec->height) < 0) {
803 /* if error, do not deinterlace */
804 fprintf(stderr, "Deinterlacing failed\n");
805 av_free(buf);
806 buf = NULL;
807 picture2 = picture;
808 }
809 } else {
810 picture2 = picture;
811 }
812
813 if (picture != picture2)
814 *picture = *picture2;
815 *bufp = buf;
816 }
817
818 /* we begin to correct av delay at this threshold */
819 #define AV_DELAY_MAX 0.100
820
821 static void do_subtitle_out(AVFormatContext *s,
822 AVOutputStream *ost,
823 AVInputStream *ist,
824 AVSubtitle *sub,
825 int64_t pts)
826 {
827 static uint8_t *subtitle_out = NULL;
828 int subtitle_out_max_size = 1024 * 1024;
829 int subtitle_out_size, nb, i;
830 AVCodecContext *enc;
831 AVPacket pkt;
832
833 if (pts == AV_NOPTS_VALUE) {
834 fprintf(stderr, "Subtitle packets must have a pts\n");
835 if (exit_on_error)
836 av_exit(1);
837 return;
838 }
839
840 enc = ost->st->codec;
841
842 if (!subtitle_out) {
843 subtitle_out = av_malloc(subtitle_out_max_size);
844 }
845
846 /* Note: DVB subtitle need one packet to draw them and one other
847 packet to clear them */
848 /* XXX: signal it in the codec context ? */
849 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
850 nb = 2;
851 else
852 nb = 1;
853
854 for(i = 0; i < nb; i++) {
855 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
856 // start_display_time is required to be 0
857 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
858 sub->end_display_time -= sub->start_display_time;
859 sub->start_display_time = 0;
860 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
861 subtitle_out_max_size, sub);
862 if (subtitle_out_size < 0) {
863 fprintf(stderr, "Subtitle encoding failed\n");
864 av_exit(1);
865 }
866
867 av_init_packet(&pkt);
868 pkt.stream_index = ost->index;
869 pkt.data = subtitle_out;
870 pkt.size = subtitle_out_size;
871 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
872 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
873 /* XXX: the pts correction is handled here. Maybe handling
874 it in the codec would be better */
875 if (i == 0)
876 pkt.pts += 90 * sub->start_display_time;
877 else
878 pkt.pts += 90 * sub->end_display_time;
879 }
880 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
881 }
882 }
883
884 static int bit_buffer_size= 1024*256;
885 static uint8_t *bit_buffer= NULL;
886
887 static void do_video_out(AVFormatContext *s,
888 AVOutputStream *ost,
889 AVInputStream *ist,
890 AVFrame *in_picture,
891 int *frame_size)
892 {
893 int nb_frames, i, ret;
894 int64_t topBand, bottomBand, leftBand, rightBand;
895 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
896 AVFrame picture_crop_temp, picture_pad_temp;
897 AVCodecContext *enc, *dec;
898
899 avcodec_get_frame_defaults(&picture_crop_temp);
900 avcodec_get_frame_defaults(&picture_pad_temp);
901
902 enc = ost->st->codec;
903 dec = ist->st->codec;
904
905 /* by default, we output a single frame */
906 nb_frames = 1;
907
908 *frame_size = 0;
909
910 if(video_sync_method){
911 double vdelta;
912 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
913 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
914 if (vdelta < -1.1)
915 nb_frames = 0;
916 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
917 if(vdelta<=-0.6){
918 nb_frames=0;
919 }else if(vdelta>0.6)
920 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
921 }else if (vdelta > 1.1)
922 nb_frames = lrintf(vdelta);
923 //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);
924 if (nb_frames == 0){
925 ++nb_frames_drop;
926 if (verbose>2)
927 fprintf(stderr, "*** drop!\n");
928 }else if (nb_frames > 1) {
929 nb_frames_dup += nb_frames - 1;
930 if (verbose>2)
931 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
932 }
933 }else
934 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
935
936 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
937 if (nb_frames <= 0)
938 return;
939
940 if (ost->video_crop) {
941 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
942 fprintf(stderr, "error cropping picture\n");
943 if (exit_on_error)
944 av_exit(1);
945 return;
946 }
947 formatted_picture = &picture_crop_temp;
948 } else {
949 formatted_picture = in_picture;
950 }
951
952 final_picture = formatted_picture;
953 padding_src = formatted_picture;
954 resampling_dst = &ost->pict_tmp;
955 if (ost->video_pad) {
956 final_picture = &ost->pict_tmp;
957 if (ost->video_resample) {
958 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
959 fprintf(stderr, "error padding picture\n");
960 if (exit_on_error)
961 av_exit(1);
962 return;
963 }
964 resampling_dst = &picture_pad_temp;
965 }
966 }
967
968 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
969 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
970 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
971
972 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));
973 if(!ost->video_resample)
974 av_exit(1);
975 }
976
977 if (ost->video_resample) {
978 padding_src = NULL;
979 final_picture = &ost->pict_tmp;
980 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
981 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
982 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
983
984 /* keep bands proportional to the frame size */
985 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
986 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
987 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
988 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
989
990 /* sanity check to ensure no bad band sizes sneak in */
991 assert(topBand <= INT_MAX && topBand >= 0);
992 assert(bottomBand <= INT_MAX && bottomBand >= 0);
993 assert(leftBand <= INT_MAX && leftBand >= 0);
994 assert(rightBand <= INT_MAX && rightBand >= 0);
995
996 ost->topBand = topBand;
997 ost->bottomBand = bottomBand;
998 ost->leftBand = leftBand;
999 ost->rightBand = rightBand;
1000
1001 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1002 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1003 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1004
1005 /* initialize a new scaler context */
1006 sws_freeContext(ost->img_resample_ctx);
1007 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1008 ost->img_resample_ctx = sws_getContext(
1009 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1010 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1011 ist->st->codec->pix_fmt,
1012 ost->st->codec->width - (ost->padleft + ost->padright),
1013 ost->st->codec->height - (ost->padtop + ost->padbottom),
1014 ost->st->codec->pix_fmt,
1015 sws_flags, NULL, NULL, NULL);
1016 if (ost->img_resample_ctx == NULL) {
1017 fprintf(stderr, "Cannot get resampling context\n");
1018 av_exit(1);
1019 }
1020 }
1021 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1022 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1023 }
1024
1025 if (ost->video_pad) {
1026 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1027 enc->height, enc->width, enc->pix_fmt,
1028 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1029 }
1030
1031 /* duplicates frame if needed */
1032 for(i=0;i<nb_frames;i++) {
1033 AVPacket pkt;
1034 av_init_packet(&pkt);
1035 pkt.stream_index= ost->index;
1036
1037 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1038 /* raw pictures are written as AVPicture structure to
1039 avoid any copies. We support temorarily the older
1040 method. */
1041 AVFrame* old_frame = enc->coded_frame;
1042 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1043 pkt.data= (uint8_t *)final_picture;
1044 pkt.size= sizeof(AVPicture);
1045 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1046 pkt.flags |= PKT_FLAG_KEY;
1047
1048 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1049 enc->coded_frame = old_frame;
1050 } else {
1051 AVFrame big_picture;
1052
1053 big_picture= *final_picture;
1054 /* better than nothing: use input picture interlaced
1055 settings */
1056 big_picture.interlaced_frame = in_picture->interlaced_frame;
1057 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1058 if(top_field_first == -1)
1059 big_picture.top_field_first = in_picture->top_field_first;
1060 else
1061 big_picture.top_field_first = top_field_first;
1062 }
1063
1064 /* handles sameq here. This is not correct because it may
1065 not be a global option */
1066 if (same_quality) {
1067 big_picture.quality = ist->st->quality;
1068 }else
1069 big_picture.quality = ost->st->quality;
1070 if(!me_threshold)
1071 big_picture.pict_type = 0;
1072 // big_picture.pts = AV_NOPTS_VALUE;
1073 big_picture.pts= ost->sync_opts;
1074 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1075 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1076 ret = avcodec_encode_video(enc,
1077 bit_buffer, bit_buffer_size,
1078 &big_picture);
1079 if (ret < 0) {
1080 fprintf(stderr, "Video encoding failed\n");
1081 av_exit(1);
1082 }
1083
1084 if(ret>0){
1085 pkt.data= bit_buffer;
1086 pkt.size= ret;
1087 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1088 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1089 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1090 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1091 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1092
1093 if(enc->coded_frame->key_frame)
1094 pkt.flags |= PKT_FLAG_KEY;
1095 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1096 *frame_size = ret;
1097 video_size += ret;
1098 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1099 // enc->frame_number-1, ret, enc->pict_type);
1100 /* if two pass, output log */
1101 if (ost->logfile && enc->stats_out) {
1102 fprintf(ost->logfile, "%s", enc->stats_out);
1103 }
1104 }
1105 }
1106 ost->sync_opts++;
1107 ost->frame_number++;
1108 }
1109 }
1110
1111 static double psnr(double d){
1112 return -10.0*log(d)/log(10.0);
1113 }
1114
1115 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1116 int frame_size)
1117 {
1118 AVCodecContext *enc;
1119 int frame_number;
1120 double ti1, bitrate, avg_bitrate;
1121
1122 /* this is executed just the first time do_video_stats is called */
1123 if (!vstats_file) {
1124 vstats_file = fopen(vstats_filename, "w");
1125 if (!vstats_file) {
1126 perror("fopen");
1127 av_exit(1);
1128 }
1129 }
1130
1131 enc = ost->st->codec;
1132 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1133 frame_number = ost->frame_number;
1134 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1135 if (enc->flags&CODEC_FLAG_PSNR)
1136 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1137
1138 fprintf(vstats_file,"f_size= %6d ", frame_size);
1139 /* compute pts value */
1140 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1141 if (ti1 < 0.01)
1142 ti1 = 0.01;
1143
1144 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1145 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1146 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1147 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1148 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1149 }
1150 }
1151
1152 static void print_report(AVFormatContext **output_files,
1153 AVOutputStream **ost_table, int nb_ostreams,
1154 int is_last_report)
1155 {
1156 char buf[1024];
1157 AVOutputStream *ost;
1158 AVFormatContext *oc;
1159 int64_t total_size;
1160 AVCodecContext *enc;
1161 int frame_number, vid, i;
1162 double bitrate, ti1, pts;
1163 static int64_t last_time = -1;
1164 static int qp_histogram[52];
1165
1166 if (!is_last_report) {
1167 int64_t cur_time;
1168 /* display the report every 0.5 seconds */
1169 cur_time = av_gettime();
1170 if (last_time == -1) {
1171 last_time = cur_time;
1172 return;
1173 }
1174 if ((cur_time - last_time) < 500000)
1175 return;
1176 last_time = cur_time;
1177 }
1178
1179
1180 oc = output_files[0];
1181
1182 total_size = url_fsize(oc->pb);
1183 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1184 total_size= url_ftell(oc->pb);
1185
1186 buf[0] = '\0';
1187 ti1 = 1e10;
1188 vid = 0;
1189 for(i=0;i<nb_ostreams;i++) {
1190 ost = ost_table[i];
1191 enc = ost->st->codec;
1192 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1193 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1194 !ost->st->stream_copy ?
1195 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1196 }
1197 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1198 float t = (av_gettime()-timer_start) / 1000000.0;
1199
1200 frame_number = ost->frame_number;
1201 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1202 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1203 !ost->st->stream_copy ?
1204 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1205 if(is_last_report)
1206 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1207 if(qp_hist){
1208 int j;
1209 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1210 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1211 qp_histogram[qp]++;
1212 for(j=0; j<32; j++)
1213 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1214 }
1215 if (enc->flags&CODEC_FLAG_PSNR){
1216 int j;
1217 double error, error_sum=0;
1218 double scale, scale_sum=0;
1219 char type[3]= {'Y','U','V'};
1220 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1221 for(j=0; j<3; j++){
1222 if(is_last_report){
1223 error= enc->error[j];
1224 scale= enc->width*enc->height*255.0*255.0*frame_number;
1225 }else{
1226 error= enc->coded_frame->error[j];
1227 scale= enc->width*enc->height*255.0*255.0;
1228 }
1229 if(j) scale/=4;
1230 error_sum += error;
1231 scale_sum += scale;
1232 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1233 }
1234 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1235 }
1236 vid = 1;
1237 }
1238 /* compute min output value */
1239 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1240 if ((pts < ti1) && (pts > 0))
1241 ti1 = pts;
1242 }
1243 if (ti1 < 0.01)
1244 ti1 = 0.01;
1245
1246 if (verbose || is_last_report) {
1247 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1248
1249 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1250 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1251 (double)total_size / 1024, ti1, bitrate);
1252
1253 if (nb_frames_dup || nb_frames_drop)
1254 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1255 nb_frames_dup, nb_frames_drop);
1256
1257 if (verbose >= 0)
1258 fprintf(stderr, "%s \r", buf);
1259
1260 fflush(stderr);
1261 }
1262
1263 if (is_last_report && verbose >= 0){
1264 int64_t raw= audio_size + video_size + extra_size;
1265 fprintf(stderr, "\n");
1266 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1267 video_size/1024.0,
1268 audio_size/1024.0,
1269 extra_size/1024.0,
1270 100.0*(total_size - raw)/raw
1271 );
1272 }
1273 }
1274
1275 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1276 static int output_packet(AVInputStream *ist, int ist_index,
1277 AVOutputStream **ost_table, int nb_ostreams,
1278 const AVPacket *pkt)
1279 {
1280 AVFormatContext *os;
1281 AVOutputStream *ost;
1282 int ret, i;
1283 int got_picture;
1284 AVFrame picture;
1285 void *buffer_to_free;
1286 static unsigned int samples_size= 0;
1287 AVSubtitle subtitle, *subtitle_to_free;
1288 int got_subtitle;
1289 AVPacket avpkt;
1290 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1291
1292 if(ist->next_pts == AV_NOPTS_VALUE)
1293 ist->next_pts= ist->pts;
1294
1295 if (pkt == NULL) {
1296 /* EOF handling */
1297 av_init_packet(&avpkt);
1298 avpkt.data = NULL;
1299 avpkt.size = 0;
1300 goto handle_eof;
1301 } else {
1302 avpkt = *pkt;
1303 }
1304
1305 if(pkt->dts != AV_NOPTS_VALUE)
1306 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1307
1308 //while we have more to decode or while the decoder did output something on EOF
1309 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1310 uint8_t *data_buf, *decoded_data_buf;
1311 int data_size, decoded_data_size;
1312 handle_eof:
1313 ist->pts= ist->next_pts;
1314
1315 if(avpkt.size && avpkt.size != pkt->size &&
1316 (!ist->showed_multi_packet_warning && verbose>0 || verbose>1)){
1317 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1318 ist->showed_multi_packet_warning=1;
1319 }
1320
1321 /* decode the packet if needed */
1322 decoded_data_buf = NULL; /* fail safe */
1323 decoded_data_size= 0;
1324 data_buf = avpkt.data;
1325 data_size = avpkt.size;
1326 subtitle_to_free = NULL;
1327 if (ist->decoding_needed) {
1328 switch(ist->st->codec->codec_type) {
1329 case CODEC_TYPE_AUDIO:{
1330 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1331 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1332 av_free(samples);
1333 samples= av_malloc(samples_size);
1334 }
1335 decoded_data_size= samples_size;
1336 /* XXX: could avoid copy if PCM 16 bits with same
1337 endianness as CPU */
1338 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1339 &avpkt);
1340 if (ret < 0)
1341 goto fail_decode;
1342 avpkt.data += ret;
1343 avpkt.size -= ret;
1344 data_size = ret;
1345 /* Some bug in mpeg audio decoder gives */
1346 /* decoded_data_size < 0, it seems they are overflows */
1347 if (decoded_data_size <= 0) {
1348 /* no audio frame */
1349 continue;
1350 }
1351 decoded_data_buf = (uint8_t *)samples;
1352 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1353 (ist->st->codec->sample_rate * ist->st->codec->channels);
1354 break;}
1355 case CODEC_TYPE_VIDEO:
1356 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1357 /* XXX: allocate picture correctly */
1358 avcodec_get_frame_defaults(&picture);
1359
1360 ret = avcodec_decode_video2(ist->st->codec,
1361 &picture, &got_picture, &avpkt);
1362 ist->st->quality= picture.quality;
1363 if (ret < 0)
1364 goto fail_decode;
1365 if (!got_picture) {
1366 /* no picture yet */
1367 goto discard_packet;
1368 }
1369 if (ist->st->codec->time_base.num != 0) {
1370 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1371 ist->next_pts += ((int64_t)AV_TIME_BASE *
1372 ist->st->codec->time_base.num * ticks) /
1373 ist->st->codec->time_base.den;
1374 }
1375 avpkt.size = 0;
1376 break;
1377 case CODEC_TYPE_SUBTITLE:
1378 ret = avcodec_decode_subtitle2(ist->st->codec,
1379 &subtitle, &got_subtitle, &avpkt);
1380 if (ret < 0)
1381 goto fail_decode;
1382 if (!got_subtitle) {
1383 goto discard_packet;
1384 }
1385 subtitle_to_free = &subtitle;
1386 avpkt.size = 0;
1387 break;
1388 default:
1389 goto fail_decode;
1390 }
1391 } else {
1392 switch(ist->st->codec->codec_type) {
1393 case CODEC_TYPE_AUDIO:
1394 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1395 ist->st->codec->sample_rate;
1396 break;
1397 case CODEC_TYPE_VIDEO:
1398 if (ist->st->codec->time_base.num != 0) {
1399 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1400 ist->next_pts += ((int64_t)AV_TIME_BASE *
1401 ist->st->codec->time_base.num * ticks) /
1402 ist->st->codec->time_base.den;
1403 }
1404 break;
1405 }
1406 ret = avpkt.size;
1407 avpkt.size = 0;
1408 }
1409
1410 buffer_to_free = NULL;
1411 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1412 pre_process_video_frame(ist, (AVPicture *)&picture,
1413 &buffer_to_free);
1414 }
1415
1416 // preprocess audio (volume)
1417 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1418 if (audio_volume != 256) {
1419 short *volp;
1420 volp = samples;
1421 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1422 int v = ((*volp) * audio_volume + 128) >> 8;
1423 if (v < -32768) v = -32768;
1424 if (v > 32767) v = 32767;
1425 *volp++ = v;
1426 }
1427 }
1428 }
1429
1430 /* frame rate emulation */
1431 if (rate_emu) {
1432 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1433 int64_t now = av_gettime() - ist->start;
1434 if (pts > now)
1435 usleep(pts - now);
1436 }
1437
1438 /* if output time reached then transcode raw format,
1439 encode packets and output them */
1440 if (start_time == 0 || ist->pts >= start_time)
1441 for(i=0;i<nb_ostreams;i++) {
1442 int frame_size;
1443
1444 ost = ost_table[i];
1445 if (ost->source_index == ist_index) {
1446 os = output_files[ost->file_index];
1447
1448 /* set the input output pts pairs */
1449 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1450
1451 if (ost->encoding_needed) {
1452 assert(ist->decoding_needed);
1453 switch(ost->st->codec->codec_type) {
1454 case CODEC_TYPE_AUDIO:
1455 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1456 break;
1457 case CODEC_TYPE_VIDEO:
1458 do_video_out(os, ost, ist, &picture, &frame_size);
1459 if (vstats_filename && frame_size)
1460 do_video_stats(os, ost, frame_size);
1461 break;
1462 case CODEC_TYPE_SUBTITLE:
1463 do_subtitle_out(os, ost, ist, &subtitle,
1464 pkt->pts);
1465 break;
1466 default:
1467 abort();
1468 }
1469 } else {
1470 AVFrame avframe; //FIXME/XXX remove this
1471 AVPacket opkt;
1472 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1473
1474 av_init_packet(&opkt);
1475
1476 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1477 continue;
1478
1479 /* no reencoding needed : output the packet directly */
1480 /* force the input stream PTS */
1481
1482 avcodec_get_frame_defaults(&avframe);
1483 ost->st->codec->coded_frame= &avframe;
1484 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1485
1486 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1487 audio_size += data_size;
1488 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1489 video_size += data_size;
1490 ost->sync_opts++;
1491 }
1492
1493 opkt.stream_index= ost->index;
1494 if(pkt->pts != AV_NOPTS_VALUE)
1495 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1496 else
1497 opkt.pts= AV_NOPTS_VALUE;
1498
1499 if (pkt->dts == AV_NOPTS_VALUE)
1500 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1501 else
1502 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1503 opkt.dts -= ost_tb_start_time;
1504
1505 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1506 opkt.flags= pkt->flags;
1507
1508 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1509 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1510 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1511 opkt.destruct= av_destruct_packet;
1512 } else {
1513 opkt.data = data_buf;
1514 opkt.size = data_size;
1515 }
1516
1517 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1518 ost->st->codec->frame_number++;
1519 ost->frame_number++;
1520 av_free_packet(&opkt);
1521 }
1522 }
1523 }
1524 av_free(buffer_to_free);
1525 /* XXX: allocate the subtitles in the codec ? */
1526 if (subtitle_to_free) {
1527 if (subtitle_to_free->rects != NULL) {
1528 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1529 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1530 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1531 av_freep(&subtitle_to_free->rects[i]);
1532 }
1533 av_freep(&subtitle_to_free->rects);
1534 }
1535 subtitle_to_free->num_rects = 0;
1536 subtitle_to_free = NULL;
1537 }
1538 }
1539 discard_packet:
1540 if (pkt == NULL) {
1541 /* EOF handling */
1542
1543 for(i=0;i<nb_ostreams;i++) {
1544 ost = ost_table[i];
1545 if (ost->source_index == ist_index) {
1546 AVCodecContext *enc= ost->st->codec;
1547 os = output_files[ost->file_index];
1548
1549 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1550 continue;
1551 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1552 continue;
1553
1554 if (ost->encoding_needed) {
1555 for(;;) {
1556 AVPacket pkt;
1557 int fifo_bytes;
1558 av_init_packet(&pkt);
1559 pkt.stream_index= ost->index;
1560
1561 switch(ost->st->codec->codec_type) {
1562 case CODEC_TYPE_AUDIO:
1563 fifo_bytes = av_fifo_size(ost->fifo);
1564 ret = 0;
1565 /* encode any samples remaining in fifo */
1566 if (fifo_bytes > 0) {
1567 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1568 int fs_tmp = enc->frame_size;
1569
1570 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1571 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1572 enc->frame_size = fifo_bytes / (osize * enc->channels);
1573 } else { /* pad */
1574 int frame_bytes = enc->frame_size*osize*enc->channels;
1575 if (samples_size < frame_bytes)
1576 av_exit(1);
1577 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1578 }
1579
1580 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1581 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1582 ost->st->time_base.num, enc->sample_rate);
1583 enc->frame_size = fs_tmp;
1584 }
1585 if(ret <= 0) {
1586 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1587 }
1588 if (ret < 0) {
1589 fprintf(stderr, "Audio encoding failed\n");
1590 av_exit(1);
1591 }
1592 audio_size += ret;
1593 pkt.flags |= PKT_FLAG_KEY;
1594 break;
1595 case CODEC_TYPE_VIDEO:
1596 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1597 if (ret < 0) {
1598 fprintf(stderr, "Video encoding failed\n");
1599 av_exit(1);
1600 }
1601 video_size += ret;
1602 if(enc->coded_frame && enc->coded_frame->key_frame)
1603 pkt.flags |= PKT_FLAG_KEY;
1604 if (ost->logfile && enc->stats_out) {
1605 fprintf(ost->logfile, "%s", enc->stats_out);
1606 }
1607 break;
1608 default:
1609 ret=-1;
1610 }
1611
1612 if(ret<=0)
1613 break;
1614 pkt.data= bit_buffer;
1615 pkt.size= ret;
1616 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1617 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1618 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1619 }
1620 }
1621 }
1622 }
1623 }
1624
1625 return 0;
1626 fail_decode:
1627 return -1;
1628 }
1629
1630 static void print_sdp(AVFormatContext **avc, int n)
1631 {
1632 char sdp[2048];
1633
1634 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1635 printf("SDP:\n%s\n", sdp);
1636 fflush(stdout);
1637 }
1638
1639 static int stream_index_from_inputs(AVFormatContext **input_files,
1640 int nb_input_files,
1641 AVInputFile *file_table,
1642 AVInputStream **ist_table,
1643 enum CodecType type,
1644 int programid)
1645 {
1646 int p, q, z;
1647 for(z=0; z<nb_input_files; z++) {
1648 AVFormatContext *ic = input_files[z];
1649 for(p=0; p<ic->nb_programs; p++) {
1650 AVProgram *program = ic->programs[p];
1651 if(program->id != programid)
1652 continue;
1653 for(q=0; q<program->nb_stream_indexes; q++) {
1654 int sidx = program->stream_index[q];
1655 int ris = file_table[z].ist_index + sidx;
1656 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1657 return ris;
1658 }
1659 }
1660 }
1661
1662 return -1;
1663 }
1664
1665 /*
1666 * The following code is the main loop of the file converter
1667 */
1668 static int av_encode(AVFormatContext **output_files,
1669 int nb_output_files,
1670 AVFormatContext **input_files,
1671 int nb_input_files,
1672 AVStreamMap *stream_maps, int nb_stream_maps)
1673 {
1674 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1675 AVFormatContext *is, *os;
1676 AVCodecContext *codec, *icodec;
1677 AVOutputStream *ost, **ost_table = NULL;
1678 AVInputStream *ist, **ist_table = NULL;
1679 AVInputFile *file_table;
1680 char error[1024];
1681 int key;
1682 int want_sdp = 1;
1683 uint8_t no_packet[MAX_FILES]={0};
1684 int no_packet_count=0;
1685
1686 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1687 if (!file_table)
1688 goto fail;
1689
1690 /* input stream init */
1691 j = 0;
1692 for(i=0;i<nb_input_files;i++) {
1693 is = input_files[i];
1694 file_table[i].ist_index = j;
1695 file_table[i].nb_streams = is->nb_streams;
1696 j += is->nb_streams;
1697 }
1698 nb_istreams = j;
1699
1700 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1701 if (!ist_table)
1702 goto fail;
1703
1704 for(i=0;i<nb_istreams;i++) {
1705 ist = av_mallocz(sizeof(AVInputStream));
1706 if (!ist)
1707 goto fail;
1708 ist_table[i] = ist;
1709 }
1710 j = 0;
1711 for(i=0;i<nb_input_files;i++) {
1712 is = input_files[i];
1713 for(k=0;k<is->nb_streams;k++) {
1714 ist = ist_table[j++];
1715 ist->st = is->streams[k];
1716 ist->file_index = i;
1717 ist->index = k;
1718 ist->discard = 1; /* the stream is discarded by default
1719 (changed later) */
1720
1721 if (rate_emu) {
1722 ist->start = av_gettime();
1723 }
1724 }
1725 }
1726
1727 /* output stream init */
1728 nb_ostreams = 0;
1729 for(i=0;i<nb_output_files;i++) {
1730 os = output_files[i];
1731 if (!os->nb_streams) {
1732 dump_format(output_files[i], i, output_files[i]->filename, 1);
1733 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1734 av_exit(1);
1735 }
1736 nb_ostreams += os->nb_streams;
1737 }
1738 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1739 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1740 av_exit(1);
1741 }
1742
1743 /* Sanity check the mapping args -- do the input files & streams exist? */
1744 for(i=0;i<nb_stream_maps;i++) {
1745 int fi = stream_maps[i].file_index;
1746 int si = stream_maps[i].stream_index;
1747
1748 if (fi < 0 || fi > nb_input_files - 1 ||
1749 si < 0 || si > file_table[fi].nb_streams - 1) {
1750 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1751 av_exit(1);
1752 }
1753 fi = stream_maps[i].sync_file_index;
1754 si = stream_maps[i].sync_stream_index;
1755 if (fi < 0 || fi > nb_input_files - 1 ||
1756 si < 0 || si > file_table[fi].nb_streams - 1) {
1757 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1758 av_exit(1);
1759 }
1760 }
1761
1762 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1763 if (!ost_table)
1764 goto fail;
1765 for(i=0;i<nb_ostreams;i++) {
1766 ost = av_mallocz(sizeof(AVOutputStream));
1767 if (!ost)
1768 goto fail;
1769 ost_table[i] = ost;
1770 }
1771
1772 n = 0;
1773 for(k=0;k<nb_output_files;k++) {
1774 os = output_files[k];
1775 for(i=0;i<os->nb_streams;i++,n++) {
1776 int found;
1777 ost = ost_table[n];
1778 ost->file_index = k;
1779 ost->index = i;
1780 ost->st = os->streams[i];
1781 if (nb_stream_maps > 0) {
1782 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1783 stream_maps[n].stream_index;
1784
1785 /* Sanity check that the stream types match */
1786 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1787 int i= ost->file_index;
1788 dump_format(output_files[i], i, output_files[i]->filename, 1);
1789 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1790 stream_maps[n].file_index, stream_maps[n].stream_index,
1791 ost->file_index, ost->index);
1792 av_exit(1);
1793 }
1794
1795 } else {
1796 if(opt_programid) {
1797 found = 0;
1798 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1799 if(j != -1) {
1800 ost->source_index = j;
1801 found = 1;
1802 }
1803 } else {
1804 /* get corresponding input stream index : we select the first one with the right type */
1805 found = 0;
1806 for(j=0;j<nb_istreams;j++) {
1807 ist = ist_table[j];
1808 if (ist->discard &&
1809 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1810 ost->source_index = j;
1811 found = 1;
1812 break;
1813 }
1814 }
1815 }
1816
1817 if (!found) {
1818 if(! opt_programid) {
1819 /* try again and reuse existing stream */
1820 for(j=0;j<nb_istreams;j++) {
1821 ist = ist_table[j];
1822 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1823 ost->source_index = j;
1824 found = 1;
1825 }
1826 }
1827 }
1828 if (!found) {
1829 int i= ost->file_index;
1830 dump_format(output_files[i], i, output_files[i]->filename, 1);
1831 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1832 ost->file_index, ost->index);
1833 av_exit(1);
1834 }
1835 }
1836 }
1837 ist = ist_table[ost->source_index];
1838 ist->discard = 0;
1839 ost->sync_ist = (nb_stream_maps > 0) ?
1840 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1841 stream_maps[n].sync_stream_index] : ist;
1842 }
1843 }
1844
1845 /* for each output stream, we compute the right encoding parameters */
1846 for(i=0;i<nb_ostreams;i++) {
1847 AVMetadataTag *lang;
1848 ost = ost_table[i];
1849 os = output_files[ost->file_index];
1850 ist = ist_table[ost->source_index];
1851
1852 codec = ost->st->codec;
1853 icodec = ist->st->codec;
1854
1855 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1856 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1857 av_metadata_set(&ost->st->metadata, "language", lang->value);
1858
1859 ost->st->disposition = ist->st->disposition;
1860 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1861 codec->chroma_sample_location = icodec->chroma_sample_location;
1862
1863 if (ost->st->stream_copy) {
1864 /* if stream_copy is selected, no need to decode or encode */
1865 codec->codec_id = icodec->codec_id;
1866 codec->codec_type = icodec->codec_type;
1867
1868 if(!codec->codec_tag){
1869 if( !os->oformat->codec_tag
1870 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1871 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1872 codec->codec_tag = icodec->codec_tag;
1873 }
1874
1875 codec->bit_rate = icodec->bit_rate;
1876 codec->extradata= icodec->extradata;
1877 codec->extradata_size= icodec->extradata_size;
1878 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){
1879 codec->time_base = icodec->time_base;
1880 codec->time_base.num *= icodec->ticks_per_frame;
1881 }else
1882 codec->time_base = ist->st->time_base;
1883 switch(codec->codec_type) {
1884 case CODEC_TYPE_AUDIO:
1885 if(audio_volume != 256) {
1886 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1887 av_exit(1);
1888 }
1889 codec->channel_layout = icodec->channel_layout;
1890 codec->sample_rate = icodec->sample_rate;
1891 codec->channels = icodec->channels;
1892 codec->frame_size = icodec->frame_size;
1893 codec->block_align= icodec->block_align;
1894 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1895 codec->block_align= 0;
1896 if(codec->codec_id == CODEC_ID_AC3)
1897 codec->block_align= 0;
1898 break;
1899 case CODEC_TYPE_VIDEO:
1900 codec->pix_fmt = icodec->pix_fmt;
1901 codec->width = icodec->width;
1902 codec->height = icodec->height;
1903 codec->has_b_frames = icodec->has_b_frames;
1904 break;
1905 case CODEC_TYPE_SUBTITLE:
1906 codec->width = icodec->width;
1907 codec->height = icodec->height;
1908 break;
1909 default:
1910 abort();
1911 }
1912 } else {
1913 switch(codec->codec_type) {
1914 case CODEC_TYPE_AUDIO:
1915 ost->fifo= av_fifo_alloc(1024);
1916 if(!ost->fifo)
1917 goto fail;
1918 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1919 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1920 icodec->request_channels = codec->channels;
1921 ist->decoding_needed = 1;
1922 ost->encoding_needed = 1;
1923 break;
1924 case CODEC_TYPE_VIDEO:
1925 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1926 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1927 av_exit(1);
1928 }
1929 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1930 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1931 ost->video_resample = ((codec->width != icodec->width -
1932 (frame_leftBand + frame_rightBand) +
1933 (frame_padleft + frame_padright)) ||
1934 (codec->height != icodec->height -
1935 (frame_topBand + frame_bottomBand) +
1936 (frame_padtop + frame_padbottom)) ||
1937 (codec->pix_fmt != icodec->pix_fmt));
1938 if (ost->video_crop) {
1939 ost->topBand = ost->original_topBand = frame_topBand;
1940 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1941 ost->leftBand = ost->original_leftBand = frame_leftBand;
1942 ost->rightBand = ost->original_rightBand = frame_rightBand;
1943 }
1944 if (ost->video_pad) {
1945 ost->padtop = frame_padtop;
1946 ost->padleft = frame_padleft;
1947 ost->padbottom = frame_padbottom;
1948 ost->padright = frame_padright;
1949 if (!ost->video_resample) {
1950 avcodec_get_frame_defaults(&ost->pict_tmp);
1951 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1952 codec->width, codec->height))
1953 goto fail;
1954 }
1955 }
1956 if (ost->video_resample) {
1957 avcodec_get_frame_defaults(&ost->pict_tmp);
1958 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1959 codec->width, codec->height)) {
1960 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1961 av_exit(1);
1962 }
1963 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1964 ost->img_resample_ctx = sws_getContext(
1965 icodec->width - (frame_leftBand + frame_rightBand),
1966 icodec->height - (frame_topBand + frame_bottomBand),
1967 icodec->pix_fmt,
1968 codec->width - (frame_padleft + frame_padright),
1969 codec->height - (frame_padtop + frame_padbottom),
1970 codec->pix_fmt,
1971 sws_flags, NULL, NULL, NULL);
1972 if (ost->img_resample_ctx == NULL) {
1973 fprintf(stderr, "Cannot get resampling context\n");
1974 av_exit(1);
1975 }
1976
1977 ost->original_height = icodec->height;
1978 ost->original_width = icodec->width;
1979
1980 codec->bits_per_raw_sample= 0;
1981 }
1982 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1983 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1984 ost->resample_pix_fmt= icodec->pix_fmt;
1985 ost->encoding_needed = 1;
1986 ist->decoding_needed = 1;
1987 break;
1988 case CODEC_TYPE_SUBTITLE:
1989 ost->encoding_needed = 1;
1990 ist->decoding_needed = 1;
1991 break;
1992 default:
1993 abort();
1994 break;
1995 }
1996 /* two pass mode */
1997 if (ost->encoding_needed &&
1998 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1999 char logfilename[1024];
2000 FILE *f;
2001 int size;
2002 char *logbuffer;
2003
2004 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2005 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2006 i);
2007 if (codec->flags & CODEC_FLAG_PASS1) {
2008 f = fopen(logfilename, "w");
2009 if (!f) {
2010 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2011 av_exit(1);
2012 }
2013 ost->logfile = f;
2014 } else {
2015 /* read the log file */
2016 f = fopen(logfilename, "r");
2017 if (!f) {
2018 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2019 av_exit(1);
2020 }
2021 fseek(f, 0, SEEK_END);
2022 size = ftell(f);
2023 fseek(f, 0, SEEK_SET);
2024 logbuffer = av_malloc(size + 1);
2025 if (!logbuffer) {
2026 fprintf(stderr, "Could not allocate log buffer\n");
2027 av_exit(1);
2028 }
2029 size = fread(logbuffer, 1, size, f);
2030 fclose(f);
2031 logbuffer[size] = '\0';
2032 codec->stats_in = logbuffer;
2033 }
2034 }
2035 }
2036 if(codec->codec_type == CODEC_TYPE_VIDEO){
2037 int size= codec->width * codec->height;
2038 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2039 }
2040 }
2041
2042 if (!bit_buffer)
2043 bit_buffer = av_malloc(bit_buffer_size);
2044 if (!bit_buffer) {
2045 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2046 bit_buffer_size);
2047 ret = AVERROR(ENOMEM);
2048 goto fail;
2049 }
2050
2051 /* open each encoder */
2052 for(i=0;i<nb_ostreams;i++) {
2053 ost = ost_table[i];
2054 if (ost->encoding_needed) {
2055 AVCodec *codec = output_codecs[i];
2056 if (!codec)
2057 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2058 if (!codec) {
2059 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2060 ost->st->codec->codec_id, ost->file_index, ost->index);
2061 ret = AVERROR(EINVAL);
2062 goto dump_format;
2063 }
2064 if (avcodec_open(ost->st->codec, codec) < 0) {
2065 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2066 ost->file_index, ost->index);
2067 ret = AVERROR(EINVAL);
2068 goto dump_format;
2069 }
2070 extra_size += ost->st->codec->extradata_size;
2071 }
2072 }
2073
2074 /* open each decoder */
2075 for(i=0;i<nb_istreams;i++) {
2076 ist = ist_table[i];
2077 if (ist->decoding_needed) {
2078 AVCodec *codec = input_codecs[i];
2079 if (!codec)
2080 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2081 if (!codec) {
2082 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2083 ist->st->codec->codec_id, ist->file_index, ist->index);
2084 ret = AVERROR(EINVAL);
2085 goto dump_format;
2086 }
2087 if (avcodec_open(ist->st->codec, codec) < 0) {
2088 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2089 ist->file_index, ist->index);
2090 ret = AVERROR(EINVAL);
2091 goto dump_format;
2092 }
2093 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2094 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2095 }
2096 }
2097
2098 /* init pts */
2099 for(i=0;i<nb_istreams;i++) {
2100 ist = ist_table[i];
2101 ist->pts = 0;
2102 ist->next_pts = AV_NOPTS_VALUE;
2103 ist->is_start = 1;
2104 }
2105
2106 /* set meta data information from input file if required */
2107 for (i=0;i<nb_meta_data_maps;i++) {
2108 AVFormatContext *out_file;
2109 AVFormatContext *in_file;
2110 AVMetadataTag *mtag;
2111
2112 int out_file_index = meta_data_maps[i].out_file;
2113 int in_file_index = meta_data_maps[i].in_file;
2114 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2115 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2116 out_file_index, out_file_index, in_file_index);
2117 ret = AVERROR(EINVAL);
2118 goto dump_format;
2119 }
2120 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2121 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2122 in_file_index, out_file_index, in_file_index);
2123 ret = AVERROR(EINVAL);
2124 goto dump_format;
2125 }
2126
2127 out_file = output_files[out_file_index];
2128 in_file = input_files[in_file_index];
2129
2130
2131 mtag=NULL;
2132 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2133 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2134 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2135 in_file->iformat->metadata_conv);
2136 }
2137
2138 /* open files and write file headers */
2139 for(i=0;i<nb_output_files;i++) {
2140 os = output_files[i];
2141 if (av_write_header(os) < 0) {
2142 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2143 ret = AVERROR(EINVAL);
2144 goto dump_format;
2145 }
2146 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2147 want_sdp = 0;
2148 }
2149 }
2150
2151 dump_format:
2152 /* dump the file output parameters - cannot be done before in case
2153 of stream copy */
2154 for(i=0;i<nb_output_files;i++) {
2155 dump_format(output_files[i], i, output_files[i]->filename, 1);
2156 }
2157
2158 /* dump the stream mapping */
2159 if (verbose >= 0) {
2160 fprintf(stderr, "Stream mapping:\n");
2161 for(i=0;i<nb_ostreams;i++) {
2162 ost = ost_table[i];
2163 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2164 ist_table[ost->source_index]->file_index,
2165 ist_table[ost->source_index]->index,
2166 ost->file_index,
2167 ost->index);
2168 if (ost->sync_ist != ist_table[ost->source_index])
2169 fprintf(stderr, " [sync #%d.%d]",
2170 ost->sync_ist->file_index,
2171 ost->sync_ist->index);
2172 fprintf(stderr, "\n");
2173 }
2174 }
2175
2176 if (ret) {
2177 fprintf(stderr, "%s\n", error);
2178 goto fail;
2179 }
2180
2181 if (want_sdp) {
2182 print_sdp(output_files, nb_output_files);
2183 }
2184
2185 if (!using_stdin && verbose >= 0) {
2186 fprintf(stderr, "Press [q] to stop encoding\n");
2187 url_set_interrupt_cb(decode_interrupt_cb);
2188 }
2189 term_init();
2190
2191 timer_start = av_gettime();
2192
2193 for(; received_sigterm == 0;) {
2194 int file_index, ist_index;
2195 AVPacket pkt;
2196 double ipts_min;
2197 double opts_min;
2198
2199 redo:
2200 ipts_min= 1e100;
2201 opts_min= 1e100;
2202 /* if 'q' pressed, exits */
2203 if (!using_stdin) {
2204 if (q_pressed)
2205 break;
2206 /* read_key() returns 0 on EOF */
2207 key = read_key();
2208 if (key == 'q')
2209 break;
2210 }
2211
2212 /* select the stream that we must read now by looking at the
2213 smallest output pts */
2214 file_index = -1;
2215 for(i=0;i<nb_ostreams;i++) {
2216 double ipts, opts;
2217 ost = ost_table[i];
2218 os = output_files[ost->file_index];
2219 ist = ist_table[ost->source_index];
2220 if(no_packet[ist->file_index])
2221 continue;
2222 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2223 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2224 else
2225 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2226 ipts = (double)ist->pts;
2227 if (!file_table[ist->file_index].eof_reached){
2228 if(ipts < ipts_min) {
2229 ipts_min = ipts;
2230 if(input_sync ) file_index = ist->file_index;
2231 }
2232 if(opts < opts_min) {
2233 opts_min = opts;
2234 if(!input_sync) file_index = ist->file_index;
2235 }
2236 }
2237 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2238 file_index= -1;
2239 break;
2240 }
2241 }
2242 /* if none, if is finished */
2243 if (file_index < 0) {
2244 if(no_packet_count){
2245 no_packet_count=0;
2246 memset(no_packet, 0, sizeof(no_packet));
2247 usleep(10000);
2248 continue;
2249 }
2250 break;
2251 }
2252
2253 /* finish if recording time exhausted */
2254 if (opts_min >= (recording_time / 1000000.0))
2255 break;
2256
2257 /* finish if limit size exhausted */
2258 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2259 break;
2260
2261 /* read a frame from it and output it in the fifo */
2262 is = input_files[file_index];
2263 ret= av_read_frame(is, &pkt);
2264 if(ret == AVERROR(EAGAIN)){
2265 no_packet[file_index]=1;
2266 no_packet_count++;
2267 continue;
2268 }
2269 if (ret < 0) {
2270 file_table[file_index].eof_reached = 1;
2271 if (opt_shortest)
2272 break;
2273 else
2274 continue;
2275 }
2276
2277 no_packet_count=0;
2278 memset(no_packet, 0, sizeof(no_packet));
2279
2280 if (do_pkt_dump) {
2281 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2282 }
2283 /* the following test is needed in case new streams appear
2284 dynamically in stream : we ignore them */
2285 if (pkt.stream_index >= file_table[file_index].nb_streams)
2286 goto discard_packet;
2287 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2288 ist = ist_table[ist_index];
2289 if (ist->discard)
2290 goto discard_packet;
2291
2292 if (pkt.dts != AV_NOPTS_VALUE)
2293 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2294 if (pkt.pts != AV_NOPTS_VALUE)
2295 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2296
2297 if(input_files_ts_scale[file_index][pkt.stream_index]){
2298 if(pkt.pts != AV_NOPTS_VALUE)
2299 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2300 if(pkt.dts != AV_NOPTS_VALUE)
2301 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2302 }
2303
2304 // 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);
2305 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2306 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2307 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2308 int64_t delta= pkt_dts - ist->next_pts;
2309 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2310 input_files_ts_offset[ist->file_index]-= delta;
2311 if (verbose > 2)
2312 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2313 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2314 if(pkt.pts != AV_NOPTS_VALUE)
2315 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2316 }
2317 }
2318
2319 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2320 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2321
2322 if (verbose >= 0)
2323 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2324 ist->file_index, ist->index);
2325 if (exit_on_error)
2326 av_exit(1);
2327 av_free_packet(&pkt);
2328 goto redo;
2329 }
2330
2331 discard_packet:
2332 av_free_packet(&pkt);
2333
2334 /* dump report by using the output first video and audio streams */
2335 print_report(output_files, ost_table, nb_ostreams, 0);
2336 }
2337
2338 /* at the end of stream, we must flush the decoder buffers */
2339 for(i=0;i<nb_istreams;i++) {
2340 ist = ist_table[i];
2341 if (ist->decoding_needed) {
2342 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2343 }
2344 }
2345
2346 term_exit();
2347
2348 /* write the trailer if needed and close file */
2349 for(i=0;i<nb_output_files;i++) {
2350 os = output_files[i];
2351 av_write_trailer(os);
2352 }
2353
2354 /* dump report by using the first video and audio streams */
2355 print_report(output_files, ost_table, nb_ostreams, 1);
2356
2357 /* close each encoder */
2358 for(i=0;i<nb_ostreams;i++) {
2359 ost = ost_table[i];
2360 if (ost->encoding_needed) {
2361 av_freep(&ost->st->codec->stats_in);
2362 avcodec_close(ost->st->codec);
2363 }
2364 }
2365
2366 /* close each decoder */
2367 for(i=0;i<nb_istreams;i++) {
2368 ist = ist_table[i];
2369 if (ist->decoding_needed) {
2370 avcodec_close(ist->st->codec);
2371 }
2372 }
2373
2374 /* finished ! */
2375 ret = 0;
2376
2377 fail:
2378 av_freep(&bit_buffer);
2379 av_free(file_table);
2380
2381 if (ist_table) {
2382 for(i=0;i<nb_istreams;i++) {
2383 ist = ist_table[i];
2384 av_free(ist);
2385 }
2386 av_free(ist_table);
2387 }
2388 if (ost_table) {
2389 for(i=0;i<nb_ostreams;i++) {
2390 ost = ost_table[i];
2391 if (ost) {
2392 if (ost->logfile) {
2393 fclose(ost->logfile);
2394 ost->logfile = NULL;
2395 }
2396 av_fifo_free(ost->fifo); /* works even if fifo is not
2397 initialized but set to zero */
2398 av_free(ost->pict_tmp.data[0]);
2399 if (ost->video_resample)
2400 sws_freeContext(ost->img_resample_ctx);
2401 if (ost->resample)
2402 audio_resample_close(ost->resample);
2403 if (ost->reformat_ctx)
2404 av_audio_convert_free(ost->reformat_ctx);
2405 av_free(ost);
2406 }
2407 }
2408 av_free(ost_table);
2409 }
2410 return ret;
2411 }
2412
2413 static void opt_format(const char *arg)
2414 {
2415 /* compatibility stuff for pgmyuv */
2416 if (!strcmp(arg, "pgmyuv")) {
2417 pgmyuv_compatibility_hack=1;
2418 // opt_image_format(arg);
2419 arg = "image2";
2420 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2421 }
2422
2423 last_asked_format = arg;
2424 }
2425
2426 static void opt_video_rc_override_string(const char *arg)
2427 {
2428 video_rc_override_string = arg;
2429 }
2430
2431 static int opt_me_threshold(const char *opt, const char *arg)
2432 {
2433 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2434 return 0;
2435 }
2436
2437 static int opt_verbose(const char *opt, const char *arg)
2438 {
2439 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2440 return 0;
2441 }
2442
2443 static int opt_frame_rate(const char *opt, const char *arg)
2444 {
2445 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2446 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2447 av_exit(1);
2448 }
2449 return 0;
2450 }
2451
2452 static int opt_bitrate(const char *opt, const char *arg)
2453 {
2454 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2455
2456 opt_default(opt, arg);
2457
2458 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2459 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2460
2461 return 0;
2462 }
2463
2464 static void opt_frame_crop_top(const char *arg)
2465 {
2466 frame_topBand = atoi(arg);
2467 if (frame_topBand < 0) {
2468 fprintf(stderr, "Incorrect top crop size\n");
2469 av_exit(1);
2470 }
2471 if ((frame_topBand) >= 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_topBand;
2476 }
2477
2478 static void opt_frame_crop_bottom(const char *arg)
2479 {
2480 frame_bottomBand = atoi(arg);
2481 if (frame_bottomBand < 0) {
2482 fprintf(stderr, "Incorrect bottom crop size\n");
2483 av_exit(1);
2484 }
2485 if ((frame_bottomBand) >= frame_height){
2486 fprintf(stderr, "Vertical 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_height -= frame_bottomBand;
2490 }
2491
2492 static void opt_frame_crop_left(const char *arg)
2493 {
2494 frame_leftBand = atoi(arg);
2495 if (frame_leftBand < 0) {
2496 fprintf(stderr, "Incorrect left crop size\n");
2497 av_exit(1);
2498 }
2499 if ((frame_leftBand) >= 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_leftBand;
2504 }
2505
2506 static void opt_frame_crop_right(const char *arg)
2507 {
2508 frame_rightBand = atoi(arg);
2509 if (frame_rightBand < 0) {
2510 fprintf(stderr, "Incorrect right crop size\n");
2511 av_exit(1);
2512 }
2513 if ((frame_rightBand) >= frame_width){
2514 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2515 av_exit(1);
2516 }
2517 frame_width -= frame_rightBand;
2518 }
2519
2520 static void opt_frame_size(const char *arg)
2521 {
2522 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2523 fprintf(stderr, "Incorrect frame size\n");
2524 av_exit(1);
2525 }
2526 }
2527
2528 static void opt_pad_color(const char *arg) {
2529 /* Input is expected to be six hex digits similar to
2530 how colors are expressed in html tags (but without the #) */
2531 int rgb = strtol(arg, NULL, 16);
2532 int r,g,b;
2533
2534 r = (rgb >> 16);
2535 g = ((rgb >> 8) & 255);
2536 b = (rgb & 255);
2537
2538 padcolor[0] = RGB_TO_Y(r,g,b);
2539 padcolor[1] = RGB_TO_U(r,g,b,0);
2540 padcolor[2] = RGB_TO_V(r,g,b,0);
2541 }
2542
2543 static void opt_frame_pad_top(const char *arg)
2544 {
2545 frame_padtop = atoi(arg);
2546 if (frame_padtop < 0) {
2547 fprintf(stderr, "Incorrect top pad size\n");
2548 av_exit(1);
2549 }
2550 }
2551
2552 static void opt_frame_pad_bottom(const char *arg)
2553 {
2554 frame_padbottom = atoi(arg);
2555 if (frame_padbottom < 0) {
2556 fprintf(stderr, "Incorrect bottom pad size\n");
2557 av_exit(1);
2558 }
2559 }
2560
2561
2562 static void opt_frame_pad_left(const char *arg)
2563 {
2564 frame_padleft = atoi(arg);
2565 if (frame_padleft < 0) {
2566 fprintf(stderr, "Incorrect left pad size\n");
2567 av_exit(1);
2568 }
2569 }
2570
2571
2572 static void opt_frame_pad_right(const char *arg)
2573 {
2574 frame_padright = atoi(arg);
2575 if (frame_padright < 0) {
2576 fprintf(stderr, "Incorrect right pad size\n");
2577 av_exit(1);
2578 }
2579 }
2580
2581 static void opt_frame_pix_fmt(const char *arg)
2582 {
2583 if (strcmp(arg, "list")) {
2584 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2585 if (frame_pix_fmt == PIX_FMT_NONE) {
2586 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2587 av_exit(1);
2588 }
2589 } else {
2590 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2591 av_exit(0);
2592 }
2593 }
2594
2595 static void opt_frame_aspect_ratio(const char *arg)
2596 {
2597 int x = 0, y = 0;
2598 double ar = 0;
2599 const char *p;
2600 char *end;
2601
2602 p = strchr(arg, ':');
2603 if (p) {
2604 x = strtol(arg, &end, 10);
2605 if (end == p)
2606 y = strtol(end+1, &end, 10);
2607 if (x > 0 && y > 0)
2608 ar = (double)x / (double)y;
2609 } else
2610 ar = strtod(arg, NULL);
2611
2612 if (!ar) {
2613 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2614 av_exit(1);
2615 }
2616 frame_aspect_ratio = ar;
2617 }
2618
2619 static int opt_metadata(const char *opt, const char *arg)
2620 {
2621 char *mid= strchr(arg, '=');
2622
2623 if(!mid){
2624 fprintf(stderr, "Missing =\n");
2625 av_exit(1);
2626 }
2627 *mid++= 0;
2628
2629 metadata_count++;
2630 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2631 metadata[metadata_count-1].key = av_strdup(arg);
2632 metadata[metadata_count-1].value= av_strdup(mid);
2633
2634 return 0;
2635 }
2636
2637 static void opt_qscale(const char *arg)
2638 {
2639 video_qscale = atof(arg);
2640 if (video_qscale <= 0 ||
2641 video_qscale > 255) {
2642 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2643 av_exit(1);
2644 }
2645 }
2646
2647 static void opt_top_field_first(const char *arg)
2648 {
2649 top_field_first= atoi(arg);
2650 }
2651
2652 static int opt_thread_count(const char *opt, const char *arg)
2653 {
2654 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2655 #if !HAVE_THREADS
2656 if (verbose >= 0)
2657 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2658 #endif
2659 return 0;
2660 }
2661
2662 static void opt_audio_sample_fmt(const char *arg)
2663 {
2664 if (strcmp(arg, "list"))
2665 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2666 else {
2667 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2668 av_exit(0);
2669 }
2670 }
2671
2672 static int opt_audio_rate(const char *opt, const char *arg)
2673 {
2674 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2675 return 0;
2676 }
2677
2678 static int opt_audio_channels(const char *opt, const char *arg)
2679 {
2680 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2681 return 0;
2682 }
2683
2684 static void opt_video_channel(const char *arg)
2685 {
2686 video_channel = strtol(arg, NULL, 0);
2687 }
2688
2689 static void opt_video_standard(const char *arg)
2690 {
2691 video_standard = av_strdup(arg);
2692 }
2693
2694 static void opt_codec(int *pstream_copy, char **pcodec_name,
2695 int codec_type, const char *arg)
2696 {
2697 av_freep(pcodec_name);
2698 if (!strcmp(arg, "copy")) {
2699 *pstream_copy = 1;
2700 } else {
2701 *pcodec_name = av_strdup(arg);
2702 }
2703 }
2704
2705 static void opt_audio_codec(const char *arg)
2706 {
2707 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2708 }
2709
2710 static void opt_audio_tag(const char *arg)
2711 {
2712 char *tail;
2713 audio_codec_tag= strtol(arg, &tail, 0);
2714
2715 if(!tail || *tail)
2716 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2717 }
2718
2719 static void opt_video_tag(const char *arg)
2720 {
2721 char *tail;
2722 video_codec_tag= strtol(arg, &tail, 0);
2723
2724 if(!tail || *tail)
2725 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2726 }
2727
2728 static void opt_video_codec(const char *arg)
2729 {
2730 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2731 }
2732
2733 static void opt_subtitle_codec(const char *arg)
2734 {
2735 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2736 }
2737
2738 static void opt_subtitle_tag(const char *arg)
2739 {
2740 char *tail;
2741 subtitle_codec_tag= strtol(arg, &tail, 0);
2742
2743 if(!tail || *tail)
2744 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2745 }
2746
2747 static void opt_map(const char *arg)
2748 {
2749 AVStreamMap *m;
2750 char *p;
2751
2752 m = &stream_maps[nb_stream_maps++];
2753
2754 m->file_index = strtol(arg, &p, 0);
2755 if (*p)
2756 p++;
2757
2758 m->stream_index = strtol(p, &p, 0);
2759 if (*p) {
2760 p++;
2761 m->sync_file_index = strtol(p, &p, 0);
2762 if (*p)
2763 p++;
2764 m->sync_stream_index = strtol(p, &p, 0);
2765 } else {
2766 m->sync_file_index = m->file_index;
2767 m->sync_stream_index = m->stream_index;
2768 }
2769 }
2770
2771 static void opt_map_meta_data(const char *arg)
2772 {
2773 AVMetaDataMap *m;
2774 char *p;
2775
2776 m = &meta_data_maps[nb_meta_data_maps++];
2777
2778 m->out_file = strtol(arg, &p, 0);
2779 if (*p)
2780 p++;
2781
2782 m->in_file = strtol(p, &p, 0);
2783 }
2784
2785 static void opt_input_ts_scale(const char *arg)
2786 {
2787 unsigned int stream;
2788 double scale;
2789 char *p;
2790
2791 stream = strtol(arg, &p, 0);
2792 if (*p)
2793 p++;
2794 scale= strtod(p, &p);
2795
2796 if(stream >= MAX_STREAMS)
2797 av_exit(1);
2798
2799 input_files_ts_scale[nb_input_files][stream]= scale;
2800 }
2801
2802 static int opt_recording_time(const char *opt, const char *arg)
2803 {
2804 recording_time = parse_time_or_die(opt, arg, 1);
2805 return 0;
2806 }
2807
2808 static int opt_start_time(const char *opt, const char *arg)
2809 {
2810 start_time = parse_time_or_die(opt, arg, 1);
2811 return 0;
2812 }
2813
2814 static int opt_rec_timestamp(const char *opt, const char *arg)
2815 {
2816 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2817 return 0;
2818 }
2819
2820 static int opt_input_ts_offset(const char *opt, const char *arg)
2821 {
2822 input_ts_offset = parse_time_or_die(opt, arg, 1);
2823 return 0;
2824 }
2825
2826 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2827 {
2828 const char *codec_string = encoder ? "encoder" : "decoder";
2829 AVCodec *codec;
2830
2831 if(!name)
2832 return CODEC_ID_NONE;
2833 codec = encoder ?
2834 avcodec_find_encoder_by_name(name) :
2835 avcodec_find_decoder_by_name(name);
2836 if(!codec) {
2837 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2838 av_exit(1);
2839 }
2840 if(codec->type != type) {
2841 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2842 av_exit(1);
2843 }
2844 return codec->id;
2845 }
2846
2847 static void opt_input_file(const char *filename)
2848 {
2849 AVFormatContext *ic;
2850 AVFormatParameters params, *ap = &params;
2851 AVInputFormat *file_iformat = NULL;
2852 int err, i, ret, rfps, rfps_base;
2853 int64_t timestamp;
2854
2855 if (last_asked_format) {
2856 file_iformat = av_find_input_format(last_asked_format);
2857 last_asked_format = NULL;
2858 }
2859
2860 if (!strcmp(filename, "-"))
2861 filename = "pipe:";
2862
2863 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2864 !strcmp(filename, "/dev/stdin");
2865
2866 /* get default parameters from command line */
2867 ic = avformat_alloc_context();
2868 if (!ic) {
2869 print_error(filename, AVERROR(ENOMEM));
2870 av_exit(1);
2871 }
2872
2873 memset(ap, 0, sizeof(*ap));
2874 ap->prealloced_context = 1;
2875 ap->sample_rate = audio_sample_rate;
2876 ap->channels = audio_channels;
2877 ap->time_base.den = frame_rate.num;
2878 ap->time_base.num = frame_rate.den;
2879 ap->width = frame_width + frame_padleft + frame_padright;
2880 ap->height = frame_height + frame_padtop + frame_padbottom;
2881 ap->pix_fmt = frame_pix_fmt;
2882 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2883 ap->channel = video_channel;
2884 ap->standard = video_standard;
2885 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2886 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2887 if(pgmyuv_compatibility_hack)
2888 ap->video_codec_id= CODEC_ID_PGMYUV;
2889
2890 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2891
2892 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2893 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2894 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2895 ic->flags |= AVFMT_FLAG_NONBLOCK;
2896
2897 /* open the input file with generic libav function */
2898 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2899 if (err < 0) {
2900 print_error(filename, err);
2901 av_exit(1);
2902 }
2903 if(opt_programid) {
2904 int i;
2905 for(i=0; i<ic->nb_programs; i++)
2906 if(ic->programs[i]->id != opt_programid)
2907 ic->programs[i]->discard = AVDISCARD_ALL;
2908 }
2909
2910 ic->loop_input = loop_input;
2911
2912 /* If not enough info to get the stream parameters, we decode the
2913 first frames to get it. (used in mpeg case for example) */
2914 ret = av_find_stream_info(ic);
2915 if (ret < 0 && verbose >= 0) {
2916 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2917 av_exit(1);
2918 }
2919
2920 timestamp = start_time;
2921 /* add the stream start time */
2922 if (ic->start_time != AV_NOPTS_VALUE)
2923 timestamp += ic->start_time;
2924
2925 /* if seeking requested, we execute it */
2926 if (start_time != 0) {
2927 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2928 if (ret < 0) {
2929 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2930 filename, (double)timestamp / AV_TIME_BASE);
2931 }
2932 /* reset seek info */
2933 start_time = 0;
2934 }
2935
2936 /* update the current parameters so that they match the one of the input stream */
2937 for(i=0;i<ic->nb_streams;i++) {
2938 AVStream *st = ic->streams[i];
2939 AVCodecContext *enc = st->codec;
2940 avcodec_thread_init(enc, thread_count);
2941 switch(enc->codec_type) {
2942 case CODEC_TYPE_AUDIO:
2943 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2944 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2945 channel_layout = enc->channel_layout;
2946 audio_channels = enc->channels;
2947 audio_sample_rate = enc->sample_rate;
2948 audio_sample_fmt = enc->sample_fmt;
2949 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2950 if(audio_disable)
2951 st->discard= AVDISCARD_ALL;
2952 break;
2953 case CODEC_TYPE_VIDEO:
2954 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2955 frame_height = enc->height;
2956 frame_width = enc->width;
2957 if(ic->streams[i]->sample_aspect_ratio.num)
2958 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2959 else
2960 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2961 frame_aspect_ratio *= (float) enc->width / enc->height;
2962 frame_pix_fmt = enc->pix_fmt;
2963 rfps = ic->streams[i]->r_frame_rate.num;
2964 rfps_base = ic->streams[i]->r_frame_rate.den;
2965 if(enc->lowres) {
2966 enc->flags |= CODEC_FLAG_EMU_EDGE;
2967 frame_height >>= enc->lowres;
2968 frame_width >>= enc->lowres;
2969 }
2970 if(me_threshold)
2971 enc->debug |= FF_DEBUG_MV;
2972
2973 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2974
2975 if (verbose >= 0)
2976 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2977 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2978
2979 (float)rfps / rfps_base, rfps, rfps_base);
2980 }
2981 /* update the current frame rate to match the stream frame rate */
2982 frame_rate.num = rfps;
2983 frame_rate.den = rfps_base;
2984
2985 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2986 if(video_disable)
2987 st->discard= AVDISCARD_ALL;
2988 else if(video_discard)
2989 st->discard= video_discard;
2990 break;
2991 case CODEC_TYPE_DATA:
2992 break;
2993 case CODEC_TYPE_SUBTITLE:
2994 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2995 if(subtitle_disable)
2996 st->discard = AVDISCARD_ALL;
2997 break;
2998 case CODEC_TYPE_ATTACHMENT:
2999 case CODEC_TYPE_UNKNOWN:
3000 nb_icodecs++;
3001 break;
3002 default:
3003 abort();
3004 }
3005 }
3006
3007 input_files[nb_input_files] = ic;
3008 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3009 /* dump the file content */
3010 if (verbose >= 0)
3011 dump_format(ic, nb_input_files, filename, 0);
3012
3013 nb_input_files++;
3014
3015 video_channel = 0;
3016
3017 av_freep(&video_codec_name);
3018 av_freep(&audio_codec_name);
3019 av_freep(&subtitle_codec_name);
3020 }
3021
3022 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3023 int *has_subtitle_ptr)
3024 {
3025 int has_video, has_audio, has_subtitle, i, j;
3026 AVFormatContext *ic;
3027
3028 has_video = 0;
3029 has_audio = 0;
3030 has_subtitle = 0;
3031 for(j=0;j<nb_input_files;j++) {
3032 ic = input_files[j];
3033 for(i=0;i<ic->nb_streams;i++) {
3034 AVCodecContext *enc = ic->streams[i]->codec;
3035 switch(enc->codec_type) {
3036 case CODEC_TYPE_AUDIO:
3037 has_audio = 1;
3038 break;
3039 case CODEC_TYPE_VIDEO:
3040 has_video = 1;
3041 break;
3042 case CODEC_TYPE_SUBTITLE:
3043 has_subtitle = 1;
3044 break;
3045 case CODEC_TYPE_DATA:
3046 case CODEC_TYPE_ATTACHMENT:
3047 case CODEC_TYPE_UNKNOWN:
3048 break;
3049 default:
3050 abort();
3051 }
3052 }
3053 }
3054 *has_video_ptr = has_video;
3055 *has_audio_ptr = has_audio;
3056 *has_subtitle_ptr = has_subtitle;
3057 }
3058
3059 static void new_video_stream(AVFormatContext *oc)
3060 {
3061 AVStream *st;
3062 AVCodecContext *video_enc;
3063 enum CodecID codec_id;
3064
3065 st = av_new_stream(oc, oc->nb_streams);
3066 if (!st) {
3067 fprintf(stderr, "Could not alloc stream\n");
3068 av_exit(1);
3069 }
3070 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3071 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3072 video_bitstream_filters= NULL;
3073
3074 avcodec_thread_init(st->codec, thread_count);
3075
3076 video_enc = st->codec;
3077
3078 if(video_codec_tag)
3079 video_enc->codec_tag= video_codec_tag;
3080
3081 if( (video_global_header&1)
3082 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3083 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3084 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3085 }
3086 if(video_global_header&2){
3087 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3088 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3089 }
3090
3091 if (video_stream_copy) {
3092 st->stream_copy = 1;
3093 video_enc->codec_type = CODEC_TYPE_VIDEO;
3094 video_enc->sample_aspect_ratio =
3095 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3096 } else {
3097 const char *p;
3098 int i;
3099 AVCodec *codec;
3100 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3101
3102 if (video_codec_name) {
3103 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3104 codec = avcodec_find_encoder_by_name(video_codec_name);
3105 output_codecs[nb_ocodecs] = codec;
3106 } else {
3107 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3108 codec = avcodec_find_encoder(codec_id);
3109 }
3110
3111 video_enc->codec_id = codec_id;
3112
3113 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3114
3115 if (codec && codec->supported_framerates && !force_fps)
3116 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3117 video_enc->time_base.den = fps.num;
3118 video_enc->time_base.num = fps.den;
3119
3120 video_enc->width = frame_width + frame_padright + frame_padleft;
3121 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3122 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3123 video_enc->pix_fmt = frame_pix_fmt;
3124 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3125
3126 if(codec && codec->pix_fmts){
3127 const enum PixelFormat *p= codec->pix_fmts;
3128 for(; *p!=-1; p++){
3129 if(*p == video_enc->pix_fmt)
3130 break;
3131 }
3132 if(*p == -1)
3133 video_enc->pix_fmt = codec->pix_fmts[0];
3134 }
3135
3136 if (intra_only)
3137 video_enc->gop_size = 0;
3138 if (video_qscale || same_quality) {
3139 video_enc->flags |= CODEC_FLAG_QSCALE;
3140 video_enc->global_quality=
3141 st->quality = FF_QP2LAMBDA * video_qscale;
3142 }
3143
3144 if(intra_matrix)
3145 video_enc->intra_matrix = intra_matrix;
3146 if(inter_matrix)
3147 video_enc->inter_matrix = inter_matrix;
3148
3149 p= video_rc_override_string;
3150 for(i=0; p; i++){
3151 int start, end, q;
3152 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3153 if(e!=3){
3154 fprintf(stderr, "error parsing rc_override\n");
3155 av_exit(1);
3156 }
3157 video_enc->rc_override=
3158 av_realloc(video_enc->rc_override,
3159 sizeof(RcOverride)*(i+1));
3160 video_enc->rc_override[i].start_frame= start;
3161 video_enc->rc_override[i].end_frame = end;
3162 if(q>0){
3163 video_enc->rc_override[i].qscale= q;
3164 video_enc->rc_override[i].quality_factor= 1.0;
3165 }
3166 else{
3167 video_enc->rc_override[i].qscale= 0;
3168 video_enc->rc_override[i].quality_factor= -q/100.0;
3169 }
3170 p= strchr(p, '/');
3171 if(p) p++;
3172 }
3173 video_enc->rc_override_count=i;
3174 if (!video_enc->rc_initial_buffer_occupancy)
3175 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3176 video_enc->me_threshold= me_threshold;
3177 video_enc->intra_dc_precision= intra_dc_precision - 8;
3178
3179 if (do_psnr)
3180 video_enc->flags|= CODEC_FLAG_PSNR;
3181
3182 /* two pass mode */
3183 if (do_pass) {
3184 if (do_pass == 1) {
3185 video_enc->flags |= CODEC_FLAG_PASS1;
3186 } else {
3187 video_enc->flags |= CODEC_FLAG_PASS2;
3188 }
3189 }
3190 }
3191 nb_ocodecs++;
3192 if (video_language) {
3193<