sparc: fix dsputil prototypes
[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/pixdesc.h"
42 #include "libavutil/avstring.h"
43 #include "libavutil/libm.h"
44 #include "libavformat/os_support.h"
45
46 #if HAVE_SYS_RESOURCE_H
47 #include <sys/types.h>
48 #include <sys/time.h>
49 #include <sys/resource.h>
50 #elif HAVE_GETPROCESSTIMES
51 #include <windows.h>
52 #endif
53 #if HAVE_GETPROCESSMEMORYINFO
54 #include <windows.h>
55 #include <psapi.h>
56 #endif
57
58 #if HAVE_SYS_SELECT_H
59 #include <sys/select.h>
60 #endif
61
62 #if HAVE_TERMIOS_H
63 #include <fcntl.h>
64 #include <sys/ioctl.h>
65 #include <sys/time.h>
66 #include <termios.h>
67 #elif HAVE_CONIO_H
68 #include <conio.h>
69 #endif
70 #include <time.h>
71
72 #include "cmdutils.h"
73
74 #undef NDEBUG
75 #include <assert.h>
76
77 const char program_name[] = "FFmpeg";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct AVStreamMap {
82 int file_index;
83 int stream_index;
84 int sync_file_index;
85 int sync_stream_index;
86 } AVStreamMap;
87
88 /** select an input file for an output file */
89 typedef struct AVMetaDataMap {
90 int out_file;
91 int in_file;
92 } AVMetaDataMap;
93
94 static const OptionDef options[];
95
96 #define MAX_FILES 100
97
98 static const char *last_asked_format = NULL;
99 static AVFormatContext *input_files[MAX_FILES];
100 static int64_t input_files_ts_offset[MAX_FILES];
101 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
102 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_input_files = 0;
104 static int nb_icodecs;
105
106 static AVFormatContext *output_files[MAX_FILES];
107 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
108 static int nb_output_files = 0;
109 static int nb_ocodecs;
110
111 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
112 static int nb_stream_maps;
113
114 static AVMetaDataMap meta_data_maps[MAX_FILES];
115 static int nb_meta_data_maps;
116
117 static int frame_width = 0;
118 static int frame_height = 0;
119 static float frame_aspect_ratio = 0;
120 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
121 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
122 static int frame_padtop = 0;
123 static int frame_padbottom = 0;
124 static int frame_padleft = 0;
125 static int frame_padright = 0;
126 static int padcolor[3] = {16,128,128}; /* default to black */
127 static int frame_topBand = 0;
128 static int frame_bottomBand = 0;
129 static int frame_leftBand = 0;
130 static int frame_rightBand = 0;
131 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
132 static AVRational frame_rate;
133 static float video_qscale = 0;
134 static uint16_t *intra_matrix = NULL;
135 static uint16_t *inter_matrix = NULL;
136 static const char *video_rc_override_string=NULL;
137 static int video_disable = 0;
138 static int video_discard = 0;
139 static char *video_codec_name = NULL;
140 static int video_codec_tag = 0;
141 static char *video_language = NULL;
142 static int same_quality = 0;
143 static int do_deinterlace = 0;
144 static int top_field_first = -1;
145 static int me_threshold = 0;
146 static int intra_dc_precision = 8;
147 static int loop_input = 0;
148 static int loop_output = AVFMT_NOOUTPUTLOOP;
149 static int qp_hist = 0;
150
151 static int intra_only = 0;
152 static int audio_sample_rate = 44100;
153 static int64_t channel_layout = 0;
154 #define QSCALE_NONE -99999
155 static float audio_qscale = QSCALE_NONE;
156 static int audio_disable = 0;
157 static int audio_channels = 1;
158 static char *audio_codec_name = NULL;
159 static int audio_codec_tag = 0;
160 static char *audio_language = NULL;
161
162 static int subtitle_disable = 0;
163 static char *subtitle_codec_name = NULL;
164 static char *subtitle_language = NULL;
165 static int subtitle_codec_tag = 0;
166
167 static float mux_preload= 0.5;
168 static float mux_max_delay= 0.7;
169
170 static int64_t recording_time = INT64_MAX;
171 static int64_t start_time = 0;
172 static int64_t rec_timestamp = 0;
173 static int64_t input_ts_offset = 0;
174 static int file_overwrite = 0;
175 static int metadata_count;
176 static AVMetadataTag *metadata;
177 static int do_benchmark = 0;
178 static int do_hex_dump = 0;
179 static int do_pkt_dump = 0;
180 static int do_psnr = 0;
181 static int do_pass = 0;
182 static char *pass_logfilename_prefix = NULL;
183 static int audio_stream_copy = 0;
184 static int video_stream_copy = 0;
185 static int subtitle_stream_copy = 0;
186 static int video_sync_method= -1;
187 static int audio_sync_method= 0;
188 static float audio_drift_threshold= 0.1;
189 static int copy_ts= 0;
190 static int opt_shortest = 0;
191 static int video_global_header = 0;
192 static char *vstats_filename;
193 static FILE *vstats_file;
194 static int opt_programid = 0;
195 static int copy_initial_nonkeyframes = 0;
196
197 static int rate_emu = 0;
198
199 static int video_channel = 0;
200 static char *video_standard;
201
202 static int audio_volume = 256;
203
204 static int exit_on_error = 0;
205 static int using_stdin = 0;
206 static int verbose = 1;
207 static int thread_count= 1;
208 static int q_pressed = 0;
209 static int64_t video_size = 0;
210 static int64_t audio_size = 0;
211 static int64_t extra_size = 0;
212 static int nb_frames_dup = 0;
213 static int nb_frames_drop = 0;
214 static int input_sync;
215 static uint64_t limit_filesize = 0;
216 static int force_fps = 0;
217
218 static int pgmyuv_compatibility_hack=0;
219 static float dts_delta_threshold = 10;
220
221 static unsigned int sws_flags = SWS_BICUBIC;
222
223 static int64_t timer_start;
224
225 static uint8_t *audio_buf;
226 static uint8_t *audio_out;
227 unsigned int allocated_audio_out_size, allocated_audio_buf_size;
228
229 static short *samples;
230
231 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
232 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
235
236 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
237
238 struct AVInputStream;
239
240 typedef struct AVOutputStream {
241 int file_index; /* file index */
242 int index; /* stream index in the output file */
243 int source_index; /* AVInputStream index */
244 AVStream *st; /* stream in the output file */
245 int encoding_needed; /* true if encoding needed for this stream */
246 int frame_number;
247 /* input pts and corresponding output pts
248 for A/V sync */
249 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
250 struct AVInputStream *sync_ist; /* input stream to sync against */
251 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
252 /* video only */
253 int video_resample;
254 AVFrame pict_tmp; /* temporary image for resampling */
255 struct SwsContext *img_resample_ctx; /* for image resampling */
256 int resample_height;
257 int resample_width;
258 int resample_pix_fmt;
259
260 /* full frame size of first frame */
261 int original_height;
262 int original_width;
263
264 /* cropping area sizes */
265 int video_crop;
266 int topBand;
267 int bottomBand;
268 int leftBand;
269 int rightBand;
270
271 /* cropping area of first frame */
272 int original_topBand;
273 int original_bottomBand;
274 int original_leftBand;
275 int original_rightBand;
276
277 /* padding area sizes */
278 int video_pad;
279 int padtop;
280 int padbottom;
281 int padleft;
282 int padright;
283
284 /* audio only */
285 int audio_resample;
286 ReSampleContext *resample; /* for audio resampling */
287 int reformat_pair;
288 AVAudioConvert *reformat_ctx;
289 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 FILE *logfile;
291 } AVOutputStream;
292
293 typedef struct AVInputStream {
294 int file_index;
295 int index;
296 AVStream *st;
297 int discard; /* true if stream data should be discarded */
298 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
299 int64_t sample_index; /* current sample */
300
301 int64_t start; /* time when read started */
302 int64_t next_pts; /* synthetic pts for cases where pkt.pts
303 is not defined */
304 int64_t pts; /* current pts */
305 int is_start; /* is 1 at the start and after a discontinuity */
306 int showed_multi_packet_warning;
307 int is_past_recording_time;
308 } AVInputStream;
309
310 typedef struct AVInputFile {
311 int eof_reached; /* true if eof reached */
312 int ist_index; /* index of first stream in ist_table */
313 int buffer_size; /* current total buffer size */
314 int nb_streams; /* nb streams we are aware of */
315 } AVInputFile;
316
317 #if HAVE_TERMIOS_H
318
319 /* init terminal so that we can grab keys */
320 static struct termios oldtty;
321 #endif
322
323 static void term_exit(void)
324 {
325 #if HAVE_TERMIOS_H
326 tcsetattr (0, TCSANOW, &oldtty);
327 #endif
328 }
329
330 static volatile int received_sigterm = 0;
331
332 static void
333 sigterm_handler(int sig)
334 {
335 received_sigterm = sig;
336 term_exit();
337 }
338
339 static void term_init(void)
340 {
341 #if HAVE_TERMIOS_H
342 struct termios tty;
343
344 tcgetattr (0, &tty);
345 oldtty = tty;
346
347 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
348 |INLCR|IGNCR|ICRNL|IXON);
349 tty.c_oflag |= OPOST;
350 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
351 tty.c_cflag &= ~(CSIZE|PARENB);
352 tty.c_cflag |= CS8;
353 tty.c_cc[VMIN] = 1;
354 tty.c_cc[VTIME] = 0;
355
356 tcsetattr (0, TCSANOW, &tty);
357 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
358 #endif
359
360 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
361 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
362 #ifdef SIGXCPU
363 signal(SIGXCPU, sigterm_handler);
364 #endif
365
366 /*
367 register a function to be called at normal program termination
368 */
369 atexit(term_exit);
370 #if CONFIG_BEOS_NETSERVER
371 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
372 #endif
373 }
374
375 /* read a key without blocking */
376 static int read_key(void)
377 {
378 #if HAVE_TERMIOS_H
379 int n = 1;
380 unsigned char ch;
381 #if !CONFIG_BEOS_NETSERVER
382 struct timeval tv;
383 fd_set rfds;
384
385 FD_ZERO(&rfds);
386 FD_SET(0, &rfds);
387 tv.tv_sec = 0;
388 tv.tv_usec = 0;
389 n = select(1, &rfds, NULL, NULL, &tv);
390 #endif
391 if (n > 0) {
392 n = read(0, &ch, 1);
393 if (n == 1)
394 return ch;
395
396 return n;
397 }
398 #elif HAVE_CONIO_H
399 if(kbhit())
400 return(getch());
401 #endif
402 return -1;
403 }
404
405 static int decode_interrupt_cb(void)
406 {
407 return q_pressed || (q_pressed = read_key() == 'q');
408 }
409
410 static int av_exit(int ret)
411 {
412 int i;
413
414 /* close files */
415 for(i=0;i<nb_output_files;i++) {
416 /* maybe av_close_output_file ??? */
417 AVFormatContext *s = output_files[i];
418 int j;
419 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
420 url_fclose(s->pb);
421 for(j=0;j<s->nb_streams;j++) {
422 av_metadata_free(&s->streams[j]->metadata);
423 av_free(s->streams[j]->codec);
424 av_free(s->streams[j]);
425 }
426 for(j=0;j<s->nb_programs;j++) {
427 av_metadata_free(&s->programs[j]->metadata);
428 }
429 for(j=0;j<s->nb_chapters;j++) {
430 av_metadata_free(&s->chapters[j]->metadata);
431 }
432 av_metadata_free(&s->metadata);
433 av_free(s);
434 }
435 for(i=0;i<nb_input_files;i++)
436 av_close_input_file(input_files[i]);
437
438 av_free(intra_matrix);
439 av_free(inter_matrix);
440
441 if (vstats_file)
442 fclose(vstats_file);
443 av_free(vstats_filename);
444
445 av_free(opt_names);
446
447 av_free(video_codec_name);
448 av_free(audio_codec_name);
449 av_free(subtitle_codec_name);
450
451 av_free(video_standard);
452
453 #if CONFIG_POWERPC_PERF
454 void powerpc_display_perf_report(void);
455 powerpc_display_perf_report();
456 #endif /* CONFIG_POWERPC_PERF */
457
458 for (i=0;i<CODEC_TYPE_NB;i++)
459 av_free(avcodec_opts[i]);
460 av_free(avformat_opts);
461 av_free(sws_opts);
462 av_free(audio_buf);
463 av_free(audio_out);
464 allocated_audio_buf_size= allocated_audio_out_size= 0;
465 av_free(samples);
466
467 if (received_sigterm) {
468 fprintf(stderr,
469 "Received signal %d: terminating.\n",
470 (int) received_sigterm);
471 exit (255);
472 }
473
474 exit(ret); /* not all OS-es handle main() return value */
475 return ret;
476 }
477
478 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
479 {
480 int i, err;
481 AVFormatContext *ic;
482 int nopts = 0;
483
484 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
485 if (err < 0)
486 return err;
487 /* copy stream format */
488 s->nb_streams = ic->nb_streams;
489 for(i=0;i<ic->nb_streams;i++) {
490 AVStream *st;
491
492 // FIXME: a more elegant solution is needed
493 st = av_mallocz(sizeof(AVStream));
494 memcpy(st, ic->streams[i], sizeof(AVStream));
495 st->codec = avcodec_alloc_context();
496 if (!st->codec) {
497 print_error(filename, AVERROR(ENOMEM));
498 av_exit(1);
499 }
500 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
501 s->streams[i] = st;
502
503 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
504 st->stream_copy = 1;
505 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
506 st->stream_copy = 1;
507
508 if(!st->codec->thread_count)
509 st->codec->thread_count = 1;
510 if(st->codec->thread_count>1)
511 avcodec_thread_init(st->codec, st->codec->thread_count);
512
513 if(st->codec->flags & CODEC_FLAG_BITEXACT)
514 nopts = 1;
515 }
516
517 if (!nopts)
518 s->timestamp = av_gettime();
519
520 av_close_input_file(ic);
521 return 0;
522 }
523
524 static double
525 get_sync_ipts(const AVOutputStream *ost)
526 {
527 const AVInputStream *ist = ost->sync_ist;
528 return (double)(ist->pts - start_time)/AV_TIME_BASE;
529 }
530
531 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
532 int ret;
533
534 while(bsfc){
535 AVPacket new_pkt= *pkt;
536 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
537 &new_pkt.data, &new_pkt.size,
538 pkt->data, pkt->size,
539 pkt->flags & PKT_FLAG_KEY);
540 if(a>0){
541 av_free_packet(pkt);
542 new_pkt.destruct= av_destruct_packet;
543 } else if(a<0){
544 fprintf(stderr, "%s failed for stream %d, codec %s",
545 bsfc->filter->name, pkt->stream_index,
546 avctx->codec ? avctx->codec->name : "copy");
547 print_error("", a);
548 if (exit_on_error)
549 av_exit(1);
550 }
551 *pkt= new_pkt;
552
553 bsfc= bsfc->next;
554 }
555
556 ret= av_interleaved_write_frame(s, pkt);
557 if(ret < 0){
558 print_error("av_interleaved_write_frame()", ret);
559 av_exit(1);
560 }
561 }
562
563 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
564
565 static void do_audio_out(AVFormatContext *s,
566 AVOutputStream *ost,
567 AVInputStream *ist,
568 unsigned char *buf, int size)
569 {
570 uint8_t *buftmp;
571 int64_t audio_out_size, audio_buf_size;
572 int64_t allocated_for_size= size;
573
574 int size_out, frame_bytes, ret;
575 AVCodecContext *enc= ost->st->codec;
576 AVCodecContext *dec= ist->st->codec;
577 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
578 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
579 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
580
581 need_realloc:
582 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
583 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
584 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
585 audio_buf_size*= osize*enc->channels;
586
587 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
588 if(coded_bps > 8*osize)
589 audio_out_size= audio_out_size * coded_bps / (8*osize);
590 audio_out_size += FF_MIN_BUFFER_SIZE;
591
592 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
593 fprintf(stderr, "Buffer sizes too large\n");
594 av_exit(1);
595 }
596
597 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
598 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
599 if (!audio_buf || !audio_out){
600 fprintf(stderr, "Out of memory in do_audio_out\n");
601 av_exit(1);
602 }
603
604 if (enc->channels != dec->channels)
605 ost->audio_resample = 1;
606
607 if (ost->audio_resample && !ost->resample) {
608 if (dec->sample_fmt != SAMPLE_FMT_S16)
609 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
610 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
611 enc->sample_rate, dec->sample_rate,
612 enc->sample_fmt, dec->sample_fmt,
613 16, 10, 0, 0.8);
614 if (!ost->resample) {
615 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
616 dec->channels, dec->sample_rate,
617 enc->channels, enc->sample_rate);
618 av_exit(1);
619 }
620 }
621
622 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
623 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
624 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
625 if (ost->reformat_ctx)
626 av_audio_convert_free(ost->reformat_ctx);
627 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
628 dec->sample_fmt, 1, NULL, 0);
629 if (!ost->reformat_ctx) {
630 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
631 avcodec_get_sample_fmt_name(dec->sample_fmt),
632 avcodec_get_sample_fmt_name(enc->sample_fmt));
633 av_exit(1);
634 }
635 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
636 }
637
638 if(audio_sync_method){
639 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
640 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
641 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
642 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
643
644 //FIXME resample delay
645 if(fabs(delta) > 50){
646 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
647 if(byte_delta < 0){
648 byte_delta= FFMAX(byte_delta, -size);
649 size += byte_delta;
650 buf -= byte_delta;
651 if(verbose > 2)
652 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
653 if(!size)
654 return;
655 ist->is_start=0;
656 }else{
657 static uint8_t *input_tmp= NULL;
658 input_tmp= av_realloc(input_tmp, byte_delta + size);
659
660 if(byte_delta > allocated_for_size - size){
661 allocated_for_size= byte_delta + (int64_t)size;
662 goto need_realloc;
663 }
664 ist->is_start=0;
665
666 memset(input_tmp, 0, byte_delta);
667 memcpy(input_tmp + byte_delta, buf, size);
668 buf= input_tmp;
669 size += byte_delta;
670 if(verbose > 2)
671 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
672 }
673 }else if(audio_sync_method>1){
674 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
675 assert(ost->audio_resample);
676 if(verbose > 2)
677 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
678 // 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));
679 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
680 }
681 }
682 }else
683 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
684 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
685
686 if (ost->audio_resample) {
687 buftmp = audio_buf;
688 size_out = audio_resample(ost->resample,
689 (short *)buftmp, (short *)buf,
690 size / (ist->st->codec->channels * isize));
691 size_out = size_out * enc->channels * osize;
692 } else {
693 buftmp = buf;
694 size_out = size;
695 }
696
697 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
698 const void *ibuf[6]= {buftmp};
699 void *obuf[6]= {audio_buf};
700 int istride[6]= {isize};
701 int ostride[6]= {osize};
702 int len= size_out/istride[0];
703 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
704 printf("av_audio_convert() failed\n");
705 if (exit_on_error)
706 av_exit(1);
707 return;
708 }
709 buftmp = audio_buf;
710 size_out = len*osize;
711 }
712
713 /* now encode as many frames as possible */
714 if (enc->frame_size > 1) {
715 /* output resampled raw samples */
716 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
717 fprintf(stderr, "av_fifo_realloc2() failed\n");
718 av_exit(1);
719 }
720 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
721
722 frame_bytes = enc->frame_size * osize * enc->channels;
723
724 while (av_fifo_size(ost->fifo) >= frame_bytes) {
725 AVPacket pkt;
726 av_init_packet(&pkt);
727
728 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
729
730 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
731
732 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
733 (short *)audio_buf);
734 if (ret < 0) {
735 fprintf(stderr, "Audio encoding failed\n");
736 av_exit(1);
737 }
738 audio_size += ret;
739 pkt.stream_index= ost->index;
740 pkt.data= audio_out;
741 pkt.size= ret;
742 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
743 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
744 pkt.flags |= PKT_FLAG_KEY;
745 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
746
747 ost->sync_opts += enc->frame_size;
748 }
749 } else {
750 AVPacket pkt;
751 av_init_packet(&pkt);
752
753 ost->sync_opts += size_out / (osize * enc->channels);
754
755 /* output a pcm frame */
756 /* determine the size of the coded buffer */
757 size_out /= osize;
758 if (coded_bps)
759 size_out = size_out*coded_bps/8;
760
761 if(size_out > audio_out_size){
762 fprintf(stderr, "Internal error, buffer size too small\n");
763 av_exit(1);
764 }
765
766 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
767 ret = avcodec_encode_audio(enc, audio_out, size_out,
768 (short *)buftmp);
769 if (ret < 0) {
770 fprintf(stderr, "Audio encoding failed\n");
771 av_exit(1);
772 }
773 audio_size += ret;
774 pkt.stream_index= ost->index;
775 pkt.data= audio_out;
776 pkt.size= ret;
777 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779 pkt.flags |= PKT_FLAG_KEY;
780 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
781 }
782 }
783
784 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
785 {
786 AVCodecContext *dec;
787 AVPicture *picture2;
788 AVPicture picture_tmp;
789 uint8_t *buf = 0;
790
791 dec = ist->st->codec;
792
793 /* deinterlace : must be done before any resize */
794 if (do_deinterlace) {
795 int size;
796
797 /* create temporary picture */
798 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
799 buf = av_malloc(size);
800 if (!buf)
801 return;
802
803 picture2 = &picture_tmp;
804 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
805
806 if(avpicture_deinterlace(picture2, picture,
807 dec->pix_fmt, dec->width, dec->height) < 0) {
808 /* if error, do not deinterlace */
809 fprintf(stderr, "Deinterlacing failed\n");
810 av_free(buf);
811 buf = NULL;
812 picture2 = picture;
813 }
814 } else {
815 picture2 = picture;
816 }
817
818 if (picture != picture2)
819 *picture = *picture2;
820 *bufp = buf;
821 }
822
823 /* we begin to correct av delay at this threshold */
824 #define AV_DELAY_MAX 0.100
825
826 static void do_subtitle_out(AVFormatContext *s,
827 AVOutputStream *ost,
828 AVInputStream *ist,
829 AVSubtitle *sub,
830 int64_t pts)
831 {
832 static uint8_t *subtitle_out = NULL;
833 int subtitle_out_max_size = 1024 * 1024;
834 int subtitle_out_size, nb, i;
835 AVCodecContext *enc;
836 AVPacket pkt;
837
838 if (pts == AV_NOPTS_VALUE) {
839 fprintf(stderr, "Subtitle packets must have a pts\n");
840 if (exit_on_error)
841 av_exit(1);
842 return;
843 }
844
845 enc = ost->st->codec;
846
847 if (!subtitle_out) {
848 subtitle_out = av_malloc(subtitle_out_max_size);
849 }
850
851 /* Note: DVB subtitle need one packet to draw them and one other
852 packet to clear them */
853 /* XXX: signal it in the codec context ? */
854 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
855 nb = 2;
856 else
857 nb = 1;
858
859 for(i = 0; i < nb; i++) {
860 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
861 // start_display_time is required to be 0
862 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
863 sub->end_display_time -= sub->start_display_time;
864 sub->start_display_time = 0;
865 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
866 subtitle_out_max_size, sub);
867 if (subtitle_out_size < 0) {
868 fprintf(stderr, "Subtitle encoding failed\n");
869 av_exit(1);
870 }
871
872 av_init_packet(&pkt);
873 pkt.stream_index = ost->index;
874 pkt.data = subtitle_out;
875 pkt.size = subtitle_out_size;
876 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
877 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
878 /* XXX: the pts correction is handled here. Maybe handling
879 it in the codec would be better */
880 if (i == 0)
881 pkt.pts += 90 * sub->start_display_time;
882 else
883 pkt.pts += 90 * sub->end_display_time;
884 }
885 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
886 }
887 }
888
889 static int bit_buffer_size= 1024*256;
890 static uint8_t *bit_buffer= NULL;
891
892 static void do_video_out(AVFormatContext *s,
893 AVOutputStream *ost,
894 AVInputStream *ist,
895 AVFrame *in_picture,
896 int *frame_size)
897 {
898 int nb_frames, i, ret;
899 int64_t topBand, bottomBand, leftBand, rightBand;
900 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
901 AVFrame picture_crop_temp, picture_pad_temp;
902 AVCodecContext *enc, *dec;
903
904 avcodec_get_frame_defaults(&picture_crop_temp);
905 avcodec_get_frame_defaults(&picture_pad_temp);
906
907 enc = ost->st->codec;
908 dec = ist->st->codec;
909
910 /* by default, we output a single frame */
911 nb_frames = 1;
912
913 *frame_size = 0;
914
915 if(video_sync_method){
916 double vdelta;
917 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
918 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
919 if (vdelta < -1.1)
920 nb_frames = 0;
921 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
922 if(vdelta<=-0.6){
923 nb_frames=0;
924 }else if(vdelta>0.6)
925 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
926 }else if (vdelta > 1.1)
927 nb_frames = lrintf(vdelta);
928 //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);
929 if (nb_frames == 0){
930 ++nb_frames_drop;
931 if (verbose>2)
932 fprintf(stderr, "*** drop!\n");
933 }else if (nb_frames > 1) {
934 nb_frames_dup += nb_frames - 1;
935 if (verbose>2)
936 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
937 }
938 }else
939 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
940
941 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
942 if (nb_frames <= 0)
943 return;
944
945 if (ost->video_crop) {
946 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
947 fprintf(stderr, "error cropping picture\n");
948 if (exit_on_error)
949 av_exit(1);
950 return;
951 }
952 formatted_picture = &picture_crop_temp;
953 } else {
954 formatted_picture = in_picture;
955 }
956
957 final_picture = formatted_picture;
958 padding_src = formatted_picture;
959 resampling_dst = &ost->pict_tmp;
960 if (ost->video_pad) {
961 final_picture = &ost->pict_tmp;
962 if (ost->video_resample) {
963 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
964 fprintf(stderr, "error padding picture\n");
965 if (exit_on_error)
966 av_exit(1);
967 return;
968 }
969 resampling_dst = &picture_pad_temp;
970 }
971 }
972
973 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
974 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
975 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
976
977 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));
978 if(!ost->video_resample)
979 av_exit(1);
980 }
981
982 if (ost->video_resample) {
983 padding_src = NULL;
984 final_picture = &ost->pict_tmp;
985 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
986 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
987 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
988
989 /* keep bands proportional to the frame size */
990 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
991 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
992 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
993 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
994
995 /* sanity check to ensure no bad band sizes sneak in */
996 assert(topBand <= INT_MAX && topBand >= 0);
997 assert(bottomBand <= INT_MAX && bottomBand >= 0);
998 assert(leftBand <= INT_MAX && leftBand >= 0);
999 assert(rightBand <= INT_MAX && rightBand >= 0);
1000
1001 ost->topBand = topBand;
1002 ost->bottomBand = bottomBand;
1003 ost->leftBand = leftBand;
1004 ost->rightBand = rightBand;
1005
1006 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1007 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
1008 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1009
1010 /* initialize a new scaler context */
1011 sws_freeContext(ost->img_resample_ctx);
1012 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1013 ost->img_resample_ctx = sws_getContext(
1014 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1015 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1016 ist->st->codec->pix_fmt,
1017 ost->st->codec->width - (ost->padleft + ost->padright),
1018 ost->st->codec->height - (ost->padtop + ost->padbottom),
1019 ost->st->codec->pix_fmt,
1020 sws_flags, NULL, NULL, NULL);
1021 if (ost->img_resample_ctx == NULL) {
1022 fprintf(stderr, "Cannot get resampling context\n");
1023 av_exit(1);
1024 }
1025 }
1026 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1027 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1028 }
1029
1030 if (ost->video_pad) {
1031 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
1032 enc->height, enc->width, enc->pix_fmt,
1033 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
1034 }
1035
1036 /* duplicates frame if needed */
1037 for(i=0;i<nb_frames;i++) {
1038 AVPacket pkt;
1039 av_init_packet(&pkt);
1040 pkt.stream_index= ost->index;
1041
1042 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1043 /* raw pictures are written as AVPicture structure to
1044 avoid any copies. We support temorarily the older
1045 method. */
1046 AVFrame* old_frame = enc->coded_frame;
1047 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1048 pkt.data= (uint8_t *)final_picture;
1049 pkt.size= sizeof(AVPicture);
1050 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1051 pkt.flags |= PKT_FLAG_KEY;
1052
1053 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1054 enc->coded_frame = old_frame;
1055 } else {
1056 AVFrame big_picture;
1057
1058 big_picture= *final_picture;
1059 /* better than nothing: use input picture interlaced
1060 settings */
1061 big_picture.interlaced_frame = in_picture->interlaced_frame;
1062 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1063 if(top_field_first == -1)
1064 big_picture.top_field_first = in_picture->top_field_first;
1065 else
1066 big_picture.top_field_first = top_field_first;
1067 }
1068
1069 /* handles sameq here. This is not correct because it may
1070 not be a global option */
1071 if (same_quality) {
1072 big_picture.quality = ist->st->quality;
1073 }else
1074 big_picture.quality = ost->st->quality;
1075 if(!me_threshold)
1076 big_picture.pict_type = 0;
1077 // big_picture.pts = AV_NOPTS_VALUE;
1078 big_picture.pts= ost->sync_opts;
1079 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1080 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1081 ret = avcodec_encode_video(enc,
1082 bit_buffer, bit_buffer_size,
1083 &big_picture);
1084 if (ret < 0) {
1085 fprintf(stderr, "Video encoding failed\n");
1086 av_exit(1);
1087 }
1088
1089 if(ret>0){
1090 pkt.data= bit_buffer;
1091 pkt.size= ret;
1092 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1093 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1094 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1095 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1096 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1097
1098 if(enc->coded_frame->key_frame)
1099 pkt.flags |= PKT_FLAG_KEY;
1100 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1101 *frame_size = ret;
1102 video_size += ret;
1103 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1104 // enc->frame_number-1, ret, enc->pict_type);
1105 /* if two pass, output log */
1106 if (ost->logfile && enc->stats_out) {
1107 fprintf(ost->logfile, "%s", enc->stats_out);
1108 }
1109 }
1110 }
1111 ost->sync_opts++;
1112 ost->frame_number++;
1113 }
1114 }
1115
1116 static double psnr(double d){
1117 return -10.0*log(d)/log(10.0);
1118 }
1119
1120 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1121 int frame_size)
1122 {
1123 AVCodecContext *enc;
1124 int frame_number;
1125 double ti1, bitrate, avg_bitrate;
1126
1127 /* this is executed just the first time do_video_stats is called */
1128 if (!vstats_file) {
1129 vstats_file = fopen(vstats_filename, "w");
1130 if (!vstats_file) {
1131 perror("fopen");
1132 av_exit(1);
1133 }
1134 }
1135
1136 enc = ost->st->codec;
1137 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1138 frame_number = ost->frame_number;
1139 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1140 if (enc->flags&CODEC_FLAG_PSNR)
1141 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1142
1143 fprintf(vstats_file,"f_size= %6d ", frame_size);
1144 /* compute pts value */
1145 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1146 if (ti1 < 0.01)
1147 ti1 = 0.01;
1148
1149 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1150 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1151 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1152 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1153 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1154 }
1155 }
1156
1157 static void print_report(AVFormatContext **output_files,
1158 AVOutputStream **ost_table, int nb_ostreams,
1159 int is_last_report)
1160 {
1161 char buf[1024];
1162 AVOutputStream *ost;
1163 AVFormatContext *oc;
1164 int64_t total_size;
1165 AVCodecContext *enc;
1166 int frame_number, vid, i;
1167 double bitrate, ti1, pts;
1168 static int64_t last_time = -1;
1169 static int qp_histogram[52];
1170
1171 if (!is_last_report) {
1172 int64_t cur_time;
1173 /* display the report every 0.5 seconds */
1174 cur_time = av_gettime();
1175 if (last_time == -1) {
1176 last_time = cur_time;
1177 return;
1178 }
1179 if ((cur_time - last_time) < 500000)
1180 return;
1181 last_time = cur_time;
1182 }
1183
1184
1185 oc = output_files[0];
1186
1187 total_size = url_fsize(oc->pb);
1188 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1189 total_size= url_ftell(oc->pb);
1190
1191 buf[0] = '\0';
1192 ti1 = 1e10;
1193 vid = 0;
1194 for(i=0;i<nb_ostreams;i++) {
1195 ost = ost_table[i];
1196 enc = ost->st->codec;
1197 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1198 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1199 !ost->st->stream_copy ?
1200 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1201 }
1202 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1203 float t = (av_gettime()-timer_start) / 1000000.0;
1204
1205 frame_number = ost->frame_number;
1206 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1207 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1208 !ost->st->stream_copy ?
1209 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1210 if(is_last_report)
1211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1212 if(qp_hist){
1213 int j;
1214 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1215 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1216 qp_histogram[qp]++;
1217 for(j=0; j<32; j++)
1218 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1219 }
1220 if (enc->flags&CODEC_FLAG_PSNR){
1221 int j;
1222 double error, error_sum=0;
1223 double scale, scale_sum=0;
1224 char type[3]= {'Y','U','V'};
1225 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1226 for(j=0; j<3; j++){
1227 if(is_last_report){
1228 error= enc->error[j];
1229 scale= enc->width*enc->height*255.0*255.0*frame_number;
1230 }else{
1231 error= enc->coded_frame->error[j];
1232 scale= enc->width*enc->height*255.0*255.0;
1233 }
1234 if(j) scale/=4;
1235 error_sum += error;
1236 scale_sum += scale;
1237 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1238 }
1239 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1240 }
1241 vid = 1;
1242 }
1243 /* compute min output value */
1244 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1245 if ((pts < ti1) && (pts > 0))
1246 ti1 = pts;
1247 }
1248 if (ti1 < 0.01)
1249 ti1 = 0.01;
1250
1251 if (verbose || is_last_report) {
1252 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1253
1254 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1255 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1256 (double)total_size / 1024, ti1, bitrate);
1257
1258 if (nb_frames_dup || nb_frames_drop)
1259 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1260 nb_frames_dup, nb_frames_drop);
1261
1262 if (verbose >= 0)
1263 fprintf(stderr, "%s \r", buf);
1264
1265 fflush(stderr);
1266 }
1267
1268 if (is_last_report && verbose >= 0){
1269 int64_t raw= audio_size + video_size + extra_size;
1270 fprintf(stderr, "\n");
1271 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1272 video_size/1024.0,
1273 audio_size/1024.0,
1274 extra_size/1024.0,
1275 100.0*(total_size - raw)/raw
1276 );
1277 }
1278 }
1279
1280 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1281 static int output_packet(AVInputStream *ist, int ist_index,
1282 AVOutputStream **ost_table, int nb_ostreams,
1283 const AVPacket *pkt)
1284 {
1285 AVFormatContext *os;
1286 AVOutputStream *ost;
1287 int ret, i;
1288 int got_picture;
1289 AVFrame picture;
1290 void *buffer_to_free;
1291 static unsigned int samples_size= 0;
1292 AVSubtitle subtitle, *subtitle_to_free;
1293 int got_subtitle;
1294 AVPacket avpkt;
1295 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1296
1297 if(ist->next_pts == AV_NOPTS_VALUE)
1298 ist->next_pts= ist->pts;
1299
1300 if (pkt == NULL) {
1301 /* EOF handling */
1302 av_init_packet(&avpkt);
1303 avpkt.data = NULL;
1304 avpkt.size = 0;
1305 goto handle_eof;
1306 } else {
1307 avpkt = *pkt;
1308 }
1309
1310 if(pkt->dts != AV_NOPTS_VALUE)
1311 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1312
1313 //while we have more to decode or while the decoder did output something on EOF
1314 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1315 uint8_t *data_buf, *decoded_data_buf;
1316 int data_size, decoded_data_size;
1317 handle_eof:
1318 ist->pts= ist->next_pts;
1319
1320 if(avpkt.size && avpkt.size != pkt->size &&
1321 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1322 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1323 ist->showed_multi_packet_warning=1;
1324 }
1325
1326 /* decode the packet if needed */
1327 decoded_data_buf = NULL; /* fail safe */
1328 decoded_data_size= 0;
1329 data_buf = avpkt.data;
1330 data_size = avpkt.size;
1331 subtitle_to_free = NULL;
1332 if (ist->decoding_needed) {
1333 switch(ist->st->codec->codec_type) {
1334 case CODEC_TYPE_AUDIO:{
1335 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1336 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1337 av_free(samples);
1338 samples= av_malloc(samples_size);
1339 }
1340 decoded_data_size= samples_size;
1341 /* XXX: could avoid copy if PCM 16 bits with same
1342 endianness as CPU */
1343 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1344 &avpkt);
1345 if (ret < 0)
1346 goto fail_decode;
1347 avpkt.data += ret;
1348 avpkt.size -= ret;
1349 data_size = ret;
1350 /* Some bug in mpeg audio decoder gives */
1351 /* decoded_data_size < 0, it seems they are overflows */
1352 if (decoded_data_size <= 0) {
1353 /* no audio frame */
1354 continue;
1355 }
1356 decoded_data_buf = (uint8_t *)samples;
1357 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1358 (ist->st->codec->sample_rate * ist->st->codec->channels);
1359 break;}
1360 case CODEC_TYPE_VIDEO:
1361 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1362 /* XXX: allocate picture correctly */
1363 avcodec_get_frame_defaults(&picture);
1364
1365 ret = avcodec_decode_video2(ist->st->codec,
1366 &picture, &got_picture, &avpkt);
1367 ist->st->quality= picture.quality;
1368 if (ret < 0)
1369 goto fail_decode;
1370 if (!got_picture) {
1371 /* no picture yet */
1372 goto discard_packet;
1373 }
1374 if (ist->st->codec->time_base.num != 0) {
1375 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1376 ist->next_pts += ((int64_t)AV_TIME_BASE *
1377 ist->st->codec->time_base.num * ticks) /
1378 ist->st->codec->time_base.den;
1379 }
1380 avpkt.size = 0;
1381 break;
1382 case CODEC_TYPE_SUBTITLE:
1383 ret = avcodec_decode_subtitle2(ist->st->codec,
1384 &subtitle, &got_subtitle, &avpkt);
1385 if (ret < 0)
1386 goto fail_decode;
1387 if (!got_subtitle) {
1388 goto discard_packet;
1389 }
1390 subtitle_to_free = &subtitle;
1391 avpkt.size = 0;
1392 break;
1393 default:
1394 goto fail_decode;
1395 }
1396 } else {
1397 switch(ist->st->codec->codec_type) {
1398 case CODEC_TYPE_AUDIO:
1399 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1400 ist->st->codec->sample_rate;
1401 break;
1402 case CODEC_TYPE_VIDEO:
1403 if (ist->st->codec->time_base.num != 0) {
1404 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1405 ist->next_pts += ((int64_t)AV_TIME_BASE *
1406 ist->st->codec->time_base.num * ticks) /
1407 ist->st->codec->time_base.den;
1408 }
1409 break;
1410 }
1411 ret = avpkt.size;
1412 avpkt.size = 0;
1413 }
1414
1415 buffer_to_free = NULL;
1416 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1417 pre_process_video_frame(ist, (AVPicture *)&picture,
1418 &buffer_to_free);
1419 }
1420
1421 // preprocess audio (volume)
1422 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1423 if (audio_volume != 256) {
1424 short *volp;
1425 volp = samples;
1426 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1427 int v = ((*volp) * audio_volume + 128) >> 8;
1428 if (v < -32768) v = -32768;
1429 if (v > 32767) v = 32767;
1430 *volp++ = v;
1431 }
1432 }
1433 }
1434
1435 /* frame rate emulation */
1436 if (rate_emu) {
1437 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1438 int64_t now = av_gettime() - ist->start;
1439 if (pts > now)
1440 usleep(pts - now);
1441 }
1442
1443 /* if output time reached then transcode raw format,
1444 encode packets and output them */
1445 if (start_time == 0 || ist->pts >= start_time)
1446 for(i=0;i<nb_ostreams;i++) {
1447 int frame_size;
1448
1449 ost = ost_table[i];
1450 if (ost->source_index == ist_index) {
1451 os = output_files[ost->file_index];
1452
1453 /* set the input output pts pairs */
1454 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1455
1456 if (ost->encoding_needed) {
1457 assert(ist->decoding_needed);
1458 switch(ost->st->codec->codec_type) {
1459 case CODEC_TYPE_AUDIO:
1460 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1461 break;
1462 case CODEC_TYPE_VIDEO:
1463 do_video_out(os, ost, ist, &picture, &frame_size);
1464 if (vstats_filename && frame_size)
1465 do_video_stats(os, ost, frame_size);
1466 break;
1467 case CODEC_TYPE_SUBTITLE:
1468 do_subtitle_out(os, ost, ist, &subtitle,
1469 pkt->pts);
1470 break;
1471 default:
1472 abort();
1473 }
1474 } else {
1475 AVFrame avframe; //FIXME/XXX remove this
1476 AVPacket opkt;
1477 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1478
1479 av_init_packet(&opkt);
1480
1481 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1482 continue;
1483
1484 /* no reencoding needed : output the packet directly */
1485 /* force the input stream PTS */
1486
1487 avcodec_get_frame_defaults(&avframe);
1488 ost->st->codec->coded_frame= &avframe;
1489 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1490
1491 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1492 audio_size += data_size;
1493 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1494 video_size += data_size;
1495 ost->sync_opts++;
1496 }
1497
1498 opkt.stream_index= ost->index;
1499 if(pkt->pts != AV_NOPTS_VALUE)
1500 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1501 else
1502 opkt.pts= AV_NOPTS_VALUE;
1503
1504 if (pkt->dts == AV_NOPTS_VALUE)
1505 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1506 else
1507 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1508 opkt.dts -= ost_tb_start_time;
1509
1510 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1511 opkt.flags= pkt->flags;
1512
1513 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1514 if( ost->st->codec->codec_id != CODEC_ID_H264
1515 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1516 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1517 ) {
1518 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1519 opkt.destruct= av_destruct_packet;
1520 } else {
1521 opkt.data = data_buf;
1522 opkt.size = data_size;
1523 }
1524
1525 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1526 ost->st->codec->frame_number++;
1527 ost->frame_number++;
1528 av_free_packet(&opkt);
1529 }
1530 }
1531 }
1532 av_free(buffer_to_free);
1533 /* XXX: allocate the subtitles in the codec ? */
1534 if (subtitle_to_free) {
1535 if (subtitle_to_free->rects != NULL) {
1536 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1537 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1538 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1539 av_freep(&subtitle_to_free->rects[i]);
1540 }
1541 av_freep(&subtitle_to_free->rects);
1542 }
1543 subtitle_to_free->num_rects = 0;
1544 subtitle_to_free = NULL;
1545 }
1546 }
1547 discard_packet:
1548 if (pkt == NULL) {
1549 /* EOF handling */
1550
1551 for(i=0;i<nb_ostreams;i++) {
1552 ost = ost_table[i];
1553 if (ost->source_index == ist_index) {
1554 AVCodecContext *enc= ost->st->codec;
1555 os = output_files[ost->file_index];
1556
1557 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1558 continue;
1559 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1560 continue;
1561
1562 if (ost->encoding_needed) {
1563 for(;;) {
1564 AVPacket pkt;
1565 int fifo_bytes;
1566 av_init_packet(&pkt);
1567 pkt.stream_index= ost->index;
1568
1569 switch(ost->st->codec->codec_type) {
1570 case CODEC_TYPE_AUDIO:
1571 fifo_bytes = av_fifo_size(ost->fifo);
1572 ret = 0;
1573 /* encode any samples remaining in fifo */
1574 if (fifo_bytes > 0) {
1575 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1576 int fs_tmp = enc->frame_size;
1577
1578 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1579 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1580 enc->frame_size = fifo_bytes / (osize * enc->channels);
1581 } else { /* pad */
1582 int frame_bytes = enc->frame_size*osize*enc->channels;
1583 if (samples_size < frame_bytes)
1584 av_exit(1);
1585 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1586 }
1587
1588 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1589 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1590 ost->st->time_base.num, enc->sample_rate);
1591 enc->frame_size = fs_tmp;
1592 }
1593 if(ret <= 0) {
1594 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1595 }
1596 if (ret < 0) {
1597 fprintf(stderr, "Audio encoding failed\n");
1598 av_exit(1);
1599 }
1600 audio_size += ret;
1601 pkt.flags |= PKT_FLAG_KEY;
1602 break;
1603 case CODEC_TYPE_VIDEO:
1604 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1605 if (ret < 0) {
1606 fprintf(stderr, "Video encoding failed\n");
1607 av_exit(1);
1608 }
1609 video_size += ret;
1610 if(enc->coded_frame && enc->coded_frame->key_frame)
1611 pkt.flags |= PKT_FLAG_KEY;
1612 if (ost->logfile && enc->stats_out) {
1613 fprintf(ost->logfile, "%s", enc->stats_out);
1614 }
1615 break;
1616 default:
1617 ret=-1;
1618 }
1619
1620 if(ret<=0)
1621 break;
1622 pkt.data= bit_buffer;
1623 pkt.size= ret;
1624 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1625 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1626 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1627 }
1628 }
1629 }
1630 }
1631 }
1632
1633 return 0;
1634 fail_decode:
1635 return -1;
1636 }
1637
1638 static void print_sdp(AVFormatContext **avc, int n)
1639 {
1640 char sdp[2048];
1641
1642 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1643 printf("SDP:\n%s\n", sdp);
1644 fflush(stdout);
1645 }
1646
1647 /*
1648 * The following code is the main loop of the file converter
1649 */
1650 static int av_encode(AVFormatContext **output_files,
1651 int nb_output_files,
1652 AVFormatContext **input_files,
1653 int nb_input_files,
1654 AVStreamMap *stream_maps, int nb_stream_maps)
1655 {
1656 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1657 AVFormatContext *is, *os;
1658 AVCodecContext *codec, *icodec;
1659 AVOutputStream *ost, **ost_table = NULL;
1660 AVInputStream *ist, **ist_table = NULL;
1661 AVInputFile *file_table;
1662 char error[1024];
1663 int key;
1664 int want_sdp = 1;
1665 uint8_t no_packet[MAX_FILES]={0};
1666 int no_packet_count=0;
1667
1668 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1669 if (!file_table)
1670 goto fail;
1671
1672 /* input stream init */
1673 j = 0;
1674 for(i=0;i<nb_input_files;i++) {
1675 is = input_files[i];
1676 file_table[i].ist_index = j;
1677 file_table[i].nb_streams = is->nb_streams;
1678 j += is->nb_streams;
1679 }
1680 nb_istreams = j;
1681
1682 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1683 if (!ist_table)
1684 goto fail;
1685
1686 for(i=0;i<nb_istreams;i++) {
1687 ist = av_mallocz(sizeof(AVInputStream));
1688 if (!ist)
1689 goto fail;
1690 ist_table[i] = ist;
1691 }
1692 j = 0;
1693 for(i=0;i<nb_input_files;i++) {
1694 is = input_files[i];
1695 for(k=0;k<is->nb_streams;k++) {
1696 ist = ist_table[j++];
1697 ist->st = is->streams[k];
1698 ist->file_index = i;
1699 ist->index = k;
1700 ist->discard = 1; /* the stream is discarded by default
1701 (changed later) */
1702
1703 if (rate_emu) {
1704 ist->start = av_gettime();
1705 }
1706 }
1707 }
1708
1709 /* output stream init */
1710 nb_ostreams = 0;
1711 for(i=0;i<nb_output_files;i++) {
1712 os = output_files[i];
1713 if (!os->nb_streams) {
1714 dump_format(output_files[i], i, output_files[i]->filename, 1);
1715 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1716 av_exit(1);
1717 }
1718 nb_ostreams += os->nb_streams;
1719 }
1720 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1721 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1722 av_exit(1);
1723 }
1724
1725 /* Sanity check the mapping args -- do the input files & streams exist? */
1726 for(i=0;i<nb_stream_maps;i++) {
1727 int fi = stream_maps[i].file_index;
1728 int si = stream_maps[i].stream_index;
1729
1730 if (fi < 0 || fi > nb_input_files - 1 ||
1731 si < 0 || si > file_table[fi].nb_streams - 1) {
1732 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1733 av_exit(1);
1734 }
1735 fi = stream_maps[i].sync_file_index;
1736 si = stream_maps[i].sync_stream_index;
1737 if (fi < 0 || fi > nb_input_files - 1 ||
1738 si < 0 || si > file_table[fi].nb_streams - 1) {
1739 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1740 av_exit(1);
1741 }
1742 }
1743
1744 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1745 if (!ost_table)
1746 goto fail;
1747 for(i=0;i<nb_ostreams;i++) {
1748 ost = av_mallocz(sizeof(AVOutputStream));
1749 if (!ost)
1750 goto fail;
1751 ost_table[i] = ost;
1752 }
1753
1754 n = 0;
1755 for(k=0;k<nb_output_files;k++) {
1756 os = output_files[k];
1757 for(i=0;i<os->nb_streams;i++,n++) {
1758 int found;
1759 ost = ost_table[n];
1760 ost->file_index = k;
1761 ost->index = i;
1762 ost->st = os->streams[i];
1763 if (nb_stream_maps > 0) {
1764 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1765 stream_maps[n].stream_index;
1766
1767 /* Sanity check that the stream types match */
1768 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1769 int i= ost->file_index;
1770 dump_format(output_files[i], i, output_files[i]->filename, 1);
1771 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1772 stream_maps[n].file_index, stream_maps[n].stream_index,
1773 ost->file_index, ost->index);
1774 av_exit(1);
1775 }
1776
1777 } else {
1778 int best_nb_frames=-1;
1779 /* get corresponding input stream index : we select the first one with the right type */
1780 found = 0;
1781 for(j=0;j<nb_istreams;j++) {
1782 int skip=0;
1783 ist = ist_table[j];
1784 if(opt_programid){
1785 int pi,si;
1786 AVFormatContext *f= input_files[ ist->file_index ];
1787 skip=1;
1788 for(pi=0; pi<f->nb_programs; pi++){
1789 AVProgram *p= f->programs[pi];
1790 if(p->id == opt_programid)
1791 for(si=0; si<p->nb_stream_indexes; si++){
1792 if(f->streams[ p->stream_index[si] ] == ist->st)
1793 skip=0;
1794 }
1795 }
1796 }
1797 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
1798 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1799 if(best_nb_frames < ist->st->codec_info_nb_frames){
1800 best_nb_frames= ist->st->codec_info_nb_frames;
1801 ost->source_index = j;
1802 found = 1;
1803 }
1804 }
1805 }
1806
1807 if (!found) {
1808 if(! opt_programid) {
1809 /* try again and reuse existing stream */
1810 for(j=0;j<nb_istreams;j++) {
1811 ist = ist_table[j];
1812 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
1813 && ist->st->discard != AVDISCARD_ALL) {
1814 ost->source_index = j;
1815 found = 1;
1816 }
1817 }
1818 }
1819 if (!found) {
1820 int i= ost->file_index;
1821 dump_format(output_files[i], i, output_files[i]->filename, 1);
1822 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1823 ost->file_index, ost->index);
1824 av_exit(1);
1825 }
1826 }
1827 }
1828 ist = ist_table[ost->source_index];
1829 ist->discard = 0;
1830 ost->sync_ist = (nb_stream_maps > 0) ?
1831 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1832 stream_maps[n].sync_stream_index] : ist;
1833 }
1834 }
1835
1836 /* for each output stream, we compute the right encoding parameters */
1837 for(i=0;i<nb_ostreams;i++) {
1838 AVMetadataTag *t = NULL, *lang = NULL;
1839 ost = ost_table[i];
1840 os = output_files[ost->file_index];
1841 ist = ist_table[ost->source_index];
1842
1843 codec = ost->st->codec;
1844 icodec = ist->st->codec;
1845
1846 if (av_metadata_get(ist->st->metadata, "language", NULL, 0))
1847 lang = av_metadata_get(ost->st->metadata, "language", NULL, 0);
1848 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
1849 if (lang && !strcmp(t->key, "language"))
1850 continue;
1851 av_metadata_set2(&ost->st->metadata, t->key, t->value, 0);
1852 }
1853
1854 ost->st->disposition = ist->st->disposition;
1855 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1856 codec->chroma_sample_location = icodec->chroma_sample_location;
1857
1858 if (ost->st->stream_copy) {
1859 /* if stream_copy is selected, no need to decode or encode */
1860 codec->codec_id = icodec->codec_id;
1861 codec->codec_type = icodec->codec_type;
1862
1863 if(!codec->codec_tag){
1864 if( !os->oformat->codec_tag
1865 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1866 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1867 codec->codec_tag = icodec->codec_tag;
1868 }
1869
1870 codec->bit_rate = icodec->bit_rate;
1871 codec->extradata= icodec->extradata;
1872 codec->extradata_size= icodec->extradata_size;
1873 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){
1874 codec->time_base = icodec->time_base;
1875 codec->time_base.num *= icodec->ticks_per_frame;
1876 }else
1877 codec->time_base = ist->st->time_base;
1878 switch(codec->codec_type) {
1879 case CODEC_TYPE_AUDIO:
1880 if(audio_volume != 256) {
1881 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1882 av_exit(1);
1883 }
1884 codec->channel_layout = icodec->channel_layout;
1885 codec->sample_rate = icodec->sample_rate;
1886 codec->channels = icodec->channels;
1887 codec->frame_size = icodec->frame_size;
1888 codec->block_align= icodec->block_align;
1889 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1890 codec->block_align= 0;
1891 if(codec->codec_id == CODEC_ID_AC3)
1892 codec->block_align= 0;
1893 break;
1894 case CODEC_TYPE_VIDEO:
1895 codec->pix_fmt = icodec->pix_fmt;
1896 codec->width = icodec->width;
1897 codec->height = icodec->height;
1898 codec->has_b_frames = icodec->has_b_frames;
1899 break;
1900 case CODEC_TYPE_SUBTITLE:
1901 codec->width = icodec->width;
1902 codec->height = icodec->height;
1903 break;
1904 default:
1905 abort();
1906 }
1907 } else {
1908 switch(codec->codec_type) {
1909 case CODEC_TYPE_AUDIO:
1910 ost->fifo= av_fifo_alloc(1024);
1911 if(!ost->fifo)
1912 goto fail;
1913 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1914 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1915 icodec->request_channels = codec->channels;
1916 ist->decoding_needed = 1;
1917 ost->encoding_needed = 1;
1918 break;
1919 case CODEC_TYPE_VIDEO:
1920 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1921 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1922 av_exit(1);
1923 }
1924 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1925 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1926 ost->video_resample = ((codec->width != icodec->width -
1927 (frame_leftBand + frame_rightBand) +
1928 (frame_padleft + frame_padright)) ||
1929 (codec->height != icodec->height -
1930 (frame_topBand + frame_bottomBand) +
1931 (frame_padtop + frame_padbottom)) ||
1932 (codec->pix_fmt != icodec->pix_fmt));
1933 if (ost->video_crop) {
1934 ost->topBand = ost->original_topBand = frame_topBand;
1935 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1936 ost->leftBand = ost->original_leftBand = frame_leftBand;
1937 ost->rightBand = ost->original_rightBand = frame_rightBand;
1938 }
1939 if (ost->video_pad) {
1940 ost->padtop = frame_padtop;
1941 ost->padleft = frame_padleft;
1942 ost->padbottom = frame_padbottom;
1943 ost->padright = frame_padright;
1944 if (!ost->video_resample) {
1945 avcodec_get_frame_defaults(&ost->pict_tmp);
1946 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1947 codec->width, codec->height))
1948 goto fail;
1949 }
1950 }
1951 if (ost->video_resample) {
1952 avcodec_get_frame_defaults(&ost->pict_tmp);
1953 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1954 codec->width, codec->height)) {
1955 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1956 av_exit(1);
1957 }
1958 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1959 ost->img_resample_ctx = sws_getContext(
1960 icodec->width - (frame_leftBand + frame_rightBand),
1961 icodec->height - (frame_topBand + frame_bottomBand),
1962 icodec->pix_fmt,
1963 codec->width - (frame_padleft + frame_padright),
1964 codec->height - (frame_padtop + frame_padbottom),
1965 codec->pix_fmt,
1966 sws_flags, NULL, NULL, NULL);
1967 if (ost->img_resample_ctx == NULL) {
1968 fprintf(stderr, "Cannot get resampling context\n");
1969 av_exit(1);
1970 }
1971
1972 ost->original_height = icodec->height;
1973 ost->original_width = icodec->width;
1974
1975 codec->bits_per_raw_sample= 0;
1976 }
1977 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1978 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1979 ost->resample_pix_fmt= icodec->pix_fmt;
1980 ost->encoding_needed = 1;
1981 ist->decoding_needed = 1;
1982 break;
1983 case CODEC_TYPE_SUBTITLE:
1984 ost->encoding_needed = 1;
1985 ist->decoding_needed = 1;
1986 break;
1987 default:
1988 abort();
1989 break;
1990 }
1991 /* two pass mode */
1992 if (ost->encoding_needed &&
1993 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1994 char logfilename[1024];
1995 FILE *f;
1996 int size;
1997 char *logbuffer;
1998
1999 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2000 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2001 i);
2002 if (codec->flags & CODEC_FLAG_PASS1) {
2003 f = fopen(logfilename, "w");
2004 if (!f) {
2005 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2006 av_exit(1);
2007 }
2008 ost->logfile = f;
2009 } else {
2010 /* read the log file */
2011 f = fopen(logfilename, "r");
2012 if (!f) {
2013 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
2014 av_exit(1);
2015 }
2016 fseek(f, 0, SEEK_END);
2017 size = ftell(f);
2018 fseek(f, 0, SEEK_SET);
2019 logbuffer = av_malloc(size + 1);
2020 if (!logbuffer) {
2021 fprintf(stderr, "Could not allocate log buffer\n");
2022 av_exit(1);
2023 }
2024 size = fread(logbuffer, 1, size, f);
2025 fclose(f);
2026 logbuffer[size] = '\0';
2027 codec->stats_in = logbuffer;
2028 }
2029 }
2030 }
2031 if(codec->codec_type == CODEC_TYPE_VIDEO){
2032 int size= codec->width * codec->height;
2033 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2034 }
2035 }
2036
2037 if (!bit_buffer)
2038 bit_buffer = av_malloc(bit_buffer_size);
2039 if (!bit_buffer) {
2040 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2041 bit_buffer_size);
2042 ret = AVERROR(ENOMEM);
2043 goto fail;
2044 }
2045
2046 /* open each encoder */
2047 for(i=0;i<nb_ostreams;i++) {
2048 ost = ost_table[i];
2049 if (ost->encoding_needed) {
2050 AVCodec *codec = output_codecs[i];
2051 if (!codec)
2052 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2053 if (!codec) {
2054 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2055 ost->st->codec->codec_id, ost->file_index, ost->index);
2056 ret = AVERROR(EINVAL);
2057 goto dump_format;
2058 }
2059 if (avcodec_open(ost->st->codec, codec) < 0) {
2060 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2061 ost->file_index, ost->index);
2062 ret = AVERROR(EINVAL);
2063 goto dump_format;
2064 }
2065 extra_size += ost->st->codec->extradata_size;
2066 }
2067 }
2068
2069 /* open each decoder */
2070 for(i=0;i<nb_istreams;i++) {
2071 ist = ist_table[i];
2072 if (ist->decoding_needed) {
2073 AVCodec *codec = input_codecs[i];
2074 if (!codec)
2075 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2076 if (!codec) {
2077 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2078 ist->st->codec->codec_id, ist->file_index, ist->index);
2079 ret = AVERROR(EINVAL);
2080 goto dump_format;
2081 }
2082 if (avcodec_open(ist->st->codec, codec) < 0) {
2083 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2084 ist->file_index, ist->index);
2085 ret = AVERROR(EINVAL);
2086 goto dump_format;
2087 }
2088 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2089 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2090 }
2091 }
2092
2093 /* init pts */
2094 for(i=0;i<nb_istreams;i++) {
2095 AVStream *st;
2096 ist = ist_table[i];
2097 st= ist->st;
2098 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2099 ist->next_pts = AV_NOPTS_VALUE;
2100 ist->is_start = 1;
2101 }
2102
2103 /* set meta data information from input file if required */
2104 for (i=0;i<nb_meta_data_maps;i++) {
2105 AVFormatContext *out_file;
2106 AVFormatContext *in_file;
2107 AVMetadataTag *mtag;
2108
2109 int out_file_index = meta_data_maps[i].out_file;
2110 int in_file_index = meta_data_maps[i].in_file;
2111 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2112 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2113 out_file_index, out_file_index, in_file_index);
2114 ret = AVERROR(EINVAL);
2115 goto dump_format;
2116 }
2117 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2118 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2119 in_file_index, out_file_index, in_file_index);
2120 ret = AVERROR(EINVAL);
2121 goto dump_format;
2122 }
2123
2124 out_file = output_files[out_file_index];
2125 in_file = input_files[in_file_index];
2126
2127
2128 mtag=NULL;
2129 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2130 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2131 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2132 in_file->iformat->metadata_conv);
2133 }
2134
2135 /* open files and write file headers */
2136 for(i=0;i<nb_output_files;i++) {
2137 os = output_files[i];
2138 if (av_write_header(os) < 0) {
2139 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2140 ret = AVERROR(EINVAL);
2141 goto dump_format;
2142 }
2143 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2144 want_sdp = 0;
2145 }
2146 }
2147
2148 dump_format:
2149 /* dump the file output parameters - cannot be done before in case
2150 of stream copy */
2151 for(i=0;i<nb_output_files;i++) {
2152 dump_format(output_files[i], i, output_files[i]->filename, 1);
2153 }
2154
2155 /* dump the stream mapping */
2156 if (verbose >= 0) {
2157 fprintf(stderr, "Stream mapping:\n");
2158 for(i=0;i<nb_ostreams;i++) {
2159 ost = ost_table[i];
2160 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2161 ist_table[ost->source_index]->file_index,
2162 ist_table[ost->source_index]->index,
2163 ost->file_index,
2164 ost->index);
2165 if (ost->sync_ist != ist_table[ost->source_index])
2166 fprintf(stderr, " [sync #%d.%d]",
2167 ost->sync_ist->file_index,
2168 ost->sync_ist->index);
2169 fprintf(stderr, "\n");
2170 }
2171 }
2172
2173 if (ret) {
2174 fprintf(stderr, "%s\n", error);
2175 goto fail;
2176 }
2177
2178 if (want_sdp) {
2179 print_sdp(output_files, nb_output_files);
2180 }
2181
2182 if (!using_stdin && verbose >= 0) {
2183 fprintf(stderr, "Press [q] to stop encoding\n");
2184 url_set_interrupt_cb(decode_interrupt_cb);
2185 }
2186 term_init();
2187
2188 timer_start = av_gettime();
2189
2190 for(; received_sigterm == 0;) {
2191 int file_index, ist_index;
2192 AVPacket pkt;
2193 double ipts_min;
2194 double opts_min;
2195
2196 redo:
2197 ipts_min= 1e100;
2198 opts_min= 1e100;
2199 /* if 'q' pressed, exits */
2200 if (!using_stdin) {
2201 if (q_pressed)
2202 break;
2203 /* read_key() returns 0 on EOF */
2204 key = read_key();
2205 if (key == 'q')
2206 break;
2207 }
2208
2209 /* select the stream that we must read now by looking at the
2210 smallest output pts */
2211 file_index = -1;
2212 for(i=0;i<nb_ostreams;i++) {
2213 double ipts, opts;
2214 ost = ost_table[i];
2215 os = output_files[ost->file_index];
2216 ist = ist_table[ost->source_index];
2217 if(ist->is_past_recording_time || no_packet[ist->file_index])
2218 continue;
2219 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2220 ipts = (double)ist->pts;
2221 if (!file_table[ist->file_index].eof_reached){
2222 if(ipts < ipts_min) {
2223 ipts_min = ipts;
2224 if(input_sync ) file_index = ist->file_index;
2225 }
2226 if(opts < opts_min) {
2227 opts_min = opts;
2228 if(!input_sync) file_index = ist->file_index;
2229 }
2230 }
2231 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2232 file_index= -1;
2233 break;
2234 }
2235 }
2236 /* if none, if is finished */
2237 if (file_index < 0) {
2238 if(no_packet_count){
2239 no_packet_count=0;
2240 memset(no_packet, 0, sizeof(no_packet));
2241 usleep(10000);
2242 continue;
2243 }
2244 break;
2245 }
2246
2247 /* finish if limit size exhausted */
2248 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2249 break;
2250
2251 /* read a frame from it and output it in the fifo */
2252 is = input_files[file_index];
2253 ret= av_read_frame(is, &pkt);
2254 if(ret == AVERROR(EAGAIN)){
2255 no_packet[file_index]=1;
2256 no_packet_count++;
2257 continue;
2258 }
2259 if (ret < 0) {
2260 file_table[file_index].eof_reached = 1;
2261 if (opt_shortest)
2262 break;
2263 else
2264 continue;
2265 }
2266
2267 no_packet_count=0;
2268 memset(no_packet, 0, sizeof(no_packet));
2269
2270 if (do_pkt_dump) {
2271 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2272 }
2273 /* the following test is needed in case new streams appear
2274 dynamically in stream : we ignore them */
2275 if (pkt.stream_index >= file_table[file_index].nb_streams)
2276 goto discard_packet;
2277 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2278 ist = ist_table[ist_index];
2279 if (ist->discard)
2280 goto discard_packet;
2281
2282 if (pkt.dts != AV_NOPTS_VALUE)
2283 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2284 if (pkt.pts != AV_NOPTS_VALUE)
2285 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2286
2287 if(input_files_ts_scale[file_index][pkt.stream_index]){
2288 if(pkt.pts != AV_NOPTS_VALUE)
2289 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2290 if(pkt.dts != AV_NOPTS_VALUE)
2291 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2292 }
2293
2294 // 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);
2295 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2296 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2297 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2298 int64_t delta= pkt_dts - ist->next_pts;
2299 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2300 input_files_ts_offset[ist->file_index]-= delta;
2301 if (verbose > 2)
2302 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2303 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2304 if(pkt.pts != AV_NOPTS_VALUE)
2305 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2306 }
2307 }
2308
2309 /* finish if recording time exhausted */
2310 if (recording_time != INT64_MAX &&
2311 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2312 ist->is_past_recording_time = 1;
2313 goto discard_packet;
2314 }
2315
2316 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2317 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2318
2319 if (verbose >= 0)
2320 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2321 ist->file_index, ist->index);
2322 if (exit_on_error)
2323 av_exit(1);
2324 av_free_packet(&pkt);
2325 goto redo;
2326 }
2327
2328 discard_packet:
2329 av_free_packet(&pkt);
2330
2331 /* dump report by using the output first video and audio streams */
2332 print_report(output_files, ost_table, nb_ostreams, 0);
2333 }
2334
2335 /* at the end of stream, we must flush the decoder buffers */
2336 for(i=0;i<nb_istreams;i++) {
2337 ist = ist_table[i];
2338 if (ist->decoding_needed) {
2339 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2340 }
2341 }
2342
2343 term_exit();
2344
2345 /* write the trailer if needed and close file */
2346 for(i=0;i<nb_output_files;i++) {
2347 os = output_files[i];
2348 av_write_trailer(os);
2349 }
2350
2351 /* dump report by using the first video and audio streams */
2352 print_report(output_files, ost_table, nb_ostreams, 1);
2353
2354 /* close each encoder */
2355 for(i=0;i<nb_ostreams;i++) {
2356 ost = ost_table[i];
2357 if (ost->encoding_needed) {
2358 av_freep(&ost->st->codec->stats_in);
2359 avcodec_close(ost->st->codec);
2360 }
2361 }
2362
2363 /* close each decoder */
2364 for(i=0;i<nb_istreams;i++) {
2365 ist = ist_table[i];
2366 if (ist->decoding_needed) {
2367 avcodec_close(ist->st->codec);
2368 }
2369 }
2370
2371 /* finished ! */
2372 ret = 0;
2373
2374 fail:
2375 av_freep(&bit_buffer);
2376 av_free(file_table);
2377
2378 if (ist_table) {
2379 for(i=0;i<nb_istreams;i++) {
2380 ist = ist_table[i];
2381 av_free(ist);
2382 }
2383 av_free(ist_table);
2384 }
2385 if (ost_table) {
2386 for(i=0;i<nb_ostreams;i++) {
2387 ost = ost_table[i];
2388 if (ost) {
2389 if (ost->logfile) {
2390 fclose(ost->logfile);
2391 ost->logfile = NULL;
2392 }
2393 av_fifo_free(ost->fifo); /* works even if fifo is not
2394 initialized but set to zero */
2395 av_free(ost->pict_tmp.data[0]);
2396 if (ost->video_resample)
2397 sws_freeContext(ost->img_resample_ctx);
2398 if (ost->resample)
2399 audio_resample_close(ost->resample);
2400 if (ost->reformat_ctx)
2401 av_audio_convert_free(ost->reformat_ctx);
2402 av_free(ost);
2403 }
2404 }
2405 av_free(ost_table);
2406 }
2407 return ret;
2408 }
2409
2410 static void opt_format(const char *arg)
2411 {
2412 /* compatibility stuff for pgmyuv */
2413 if (!strcmp(arg, "pgmyuv")) {
2414 pgmyuv_compatibility_hack=1;
2415 // opt_image_format(arg);
2416 arg = "image2";
2417 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2418 }
2419
2420 last_asked_format = arg;
2421 }
2422
2423 static void opt_video_rc_override_string(const char *arg)
2424 {
2425 video_rc_override_string = arg;
2426 }
2427
2428 static int opt_me_threshold(const char *opt, const char *arg)
2429 {
2430 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2431 return 0;
2432 }
2433
2434 static int opt_verbose(const char *opt, const char *arg)
2435 {
2436 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2437 return 0;
2438 }
2439
2440 static int opt_frame_rate(const char *opt, const char *arg)
2441 {
2442 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2443 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2444 av_exit(1);
2445 }
2446 return 0;
2447 }
2448
2449 static int opt_bitrate(const char *opt, const char *arg)
2450 {
2451 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2452
2453 opt_default(opt, arg);
2454
2455 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2456 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2457
2458 return 0;
2459 }
2460
2461 static void opt_frame_crop_top(const char *arg)
2462 {
2463 frame_topBand = atoi(arg);
2464 if (frame_topBand < 0) {
2465 fprintf(stderr, "Incorrect top crop size\n");
2466 av_exit(1);
2467 }
2468 if ((frame_topBand) >= frame_height){
2469 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2470 av_exit(1);
2471 }
2472 frame_height -= frame_topBand;
2473 }
2474
2475 static void opt_frame_crop_bottom(const char *arg)
2476 {
2477 frame_bottomBand = atoi(arg);
2478 if (frame_bottomBand < 0) {
2479 fprintf(stderr, "Incorrect bottom crop size\n");
2480 av_exit(1);
2481 }
2482 if ((frame_bottomBand) >= frame_height){
2483 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2484 av_exit(1);
2485 }
2486 frame_height -= frame_bottomBand;
2487 }
2488
2489 static void opt_frame_crop_left(const char *arg)
2490 {
2491 frame_leftBand = atoi(arg);
2492 if (frame_leftBand < 0) {
2493 fprintf(stderr, "Incorrect left crop size\n");
2494 av_exit(1);
2495 }
2496 if ((frame_leftBand) >= frame_width){
2497 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2498 av_exit(1);
2499 }
2500 frame_width -= frame_leftBand;
2501 }
2502
2503 static void opt_frame_crop_right(const char *arg)
2504 {
2505 frame_rightBand = atoi(arg);
2506 if (frame_rightBand < 0) {
2507 fprintf(stderr, "Incorrect right crop size\n");
2508 av_exit(1);
2509 }
2510 if ((frame_rightBand) >= frame_width){
2511 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2512 av_exit(1);
2513 }
2514 frame_width -= frame_rightBand;
2515 }
2516
2517 static void opt_frame_size(const char *arg)
2518 {
2519 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2520 fprintf(stderr, "Incorrect frame size\n");
2521 av_exit(1);
2522 }
2523 }
2524
2525 static void opt_pad_color(const char *arg) {
2526 /* Input is expected to be six hex digits similar to
2527 how colors are expressed in html tags (but without the #) */
2528 int rgb = strtol(arg, NULL, 16);
2529 int r,g,b;
2530
2531 r = (rgb >> 16);
2532 g = ((rgb >> 8) & 255);
2533 b = (rgb & 255);
2534
2535 padcolor[0] = RGB_TO_Y(r,g,b);
2536 padcolor[1] = RGB_TO_U(r,g,b,0);
2537 padcolor[2] = RGB_TO_V(r,g,b,0);
2538 }
2539
2540 static void opt_frame_pad_top(const char *arg)
2541 {
2542 frame_padtop = atoi(arg);
2543 if (frame_padtop < 0) {
2544 fprintf(stderr, "Incorrect top pad size\n");
2545 av_exit(1);
2546 }
2547 }
2548
2549 static void opt_frame_pad_bottom(const char *arg)
2550 {
2551 frame_padbottom = atoi(arg);
2552 if (frame_padbottom < 0) {
2553 fprintf(stderr, "Incorrect bottom pad size\n");
2554 av_exit(1);
2555 }
2556 }
2557
2558
2559 static void opt_frame_pad_left(const char *arg)
2560 {
2561 frame_padleft = atoi(arg);
2562 if (frame_padleft < 0) {
2563 fprintf(stderr, "Incorrect left pad size\n");
2564 av_exit(1);
2565 }
2566 }
2567
2568
2569 static void opt_frame_pad_right(const char *arg)
2570 {
2571 frame_padright = atoi(arg);
2572 if (frame_padright < 0) {
2573 fprintf(stderr, "Incorrect right pad size\n");
2574 av_exit(1);
2575 }
2576 }
2577
2578 static void opt_frame_pix_fmt(const char *arg)
2579 {
2580 if (strcmp(arg, "list")) {
2581 frame_pix_fmt = av_get_pix_fmt(arg);
2582 if (frame_pix_fmt == PIX_FMT_NONE) {
2583 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2584 av_exit(1);
2585 }
2586 } else {
2587 show_pix_fmts();
2588 av_exit(0);
2589 }
2590 }
2591
2592 static void opt_frame_aspect_ratio(const char *arg)
2593 {
2594 int x = 0, y = 0;
2595 double ar = 0;
2596 const char *p;
2597 char *end;
2598
2599 p = strchr(arg, ':');
2600 if (p) {
2601 x = strtol(arg, &end, 10);
2602 if (end == p)
2603 y = strtol(end+1, &end, 10);
2604 if (x > 0 && y > 0)
2605 ar = (double)x / (double)y;
2606 } else
2607 ar = strtod(arg, NULL);
2608
2609 if (!ar) {
2610 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2611 av_exit(1);
2612 }
2613 frame_aspect_ratio = ar;
2614 }
2615
2616 static int opt_metadata(const char *opt, const char *arg)
2617 {
2618 char *mid= strchr(arg, '=');
2619
2620 if(!mid){
2621 fprintf(stderr, "Missing =\n");
2622 av_exit(1);
2623 }
2624 *mid++= 0;
2625
2626 metadata_count++;
2627 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2628 metadata[metadata_count-1].key = av_strdup(arg);
2629 metadata[metadata_count-1].value= av_strdup(mid);
2630
2631 return 0;
2632 }
2633
2634 static void opt_qscale(const char *arg)
2635 {
2636 video_qscale = atof(arg);
2637 if (video_qscale <= 0 ||
2638 video_qscale > 255) {
2639 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2640 av_exit(1);
2641 }
2642 }
2643
2644 static void opt_top_field_first(const char *arg)
2645 {
2646 top_field_first= atoi(arg);
2647 }
2648
2649 static int opt_thread_count(const char *opt, const char *arg)
2650 {
2651 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2652 #if !HAVE_THREADS
2653 if (verbose >= 0)
2654 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2655 #endif
2656 return 0;
2657 }
2658
2659 static void opt_audio_sample_fmt(const char *arg)
2660 {
2661 if (strcmp(arg, "list"))
2662 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2663 else {
2664 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2665 av_exit(0);
2666 }
2667 }
2668
2669 static int opt_audio_rate(const char *opt, const char *arg)
2670 {
2671 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2672 return 0;
2673 }
2674
2675 static int opt_audio_channels(const char *opt, const char *arg)
2676 {
2677 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2678 return 0;
2679 }
2680
2681 static void opt_video_channel(const char *arg)
2682 {
2683 video_channel = strtol(arg, NULL, 0);
2684 }
2685
2686 static void opt_video_standard(const char *arg)
2687 {
2688 video_standard = av_strdup(arg);
2689 }
2690
2691 static void opt_codec(int *pstream_copy, char **pcodec_name,
2692 int codec_type, const char *arg)
2693 {
2694 av_freep(pcodec_name);
2695 if (!strcmp(arg, "copy")) {
2696 *pstream_copy = 1;
2697 } else {
2698 *pcodec_name = av_strdup(arg);
2699 }
2700 }
2701
2702 static void opt_audio_codec(const char *arg)
2703 {
2704 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2705 }
2706
2707 static void opt_audio_tag(const char *arg)
2708 {
2709 char *tail;
2710 audio_codec_tag= strtol(arg, &tail, 0);
2711
2712 if(!tail || *tail)
2713 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2714 }
2715
2716 static void opt_video_tag(const char *arg)
2717 {
2718 char *tail;
2719 video_codec_tag= strtol(arg, &tail, 0);
2720
2721 if(!tail || *tail)
2722 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2723 }
2724
2725 static void opt_video_codec(const char *arg)
2726 {
2727 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2728 }
2729
2730 static void opt_subtitle_codec(const char *arg)
2731 {
2732 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2733 }
2734
2735 static void opt_subtitle_tag(const char *arg)
2736 {
2737 char *tail;
2738 subtitle_codec_tag= strtol(arg, &tail, 0);
2739
2740 if(!tail || *tail)
2741 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2742 }
2743
2744 static void opt_map(const char *arg)
2745 {
2746 AVStreamMap *m;
2747 char *p;
2748
2749 m = &stream_maps[nb_stream_maps++];
2750
2751 m->file_index = strtol(arg, &p, 0);
2752 if (*p)
2753 p++;
2754
2755 m->stream_index = strtol(p, &p, 0);
2756 if (*p) {
2757 p++;
2758 m->sync_file_index = strtol(p, &p, 0);
2759 if (*p)
2760 p++;
2761 m->sync_stream_index = strtol(p, &p, 0);
2762 } else {
2763 m->sync_file_index = m->file_index;
2764 m->sync_stream_index = m->stream_index;
2765 }
2766 }
2767
2768 static void opt_map_meta_data(const char *arg)
2769 {
2770 AVMetaDataMap *m;
2771 char *p;
2772
2773 m = &meta_data_maps[nb_meta_data_maps++];
2774
2775 m->out_file = strtol(arg, &p, 0);
2776 if (*p)
2777 p++;
2778
2779 m->in_file = strtol(p, &p, 0);
2780 }
2781
2782 static void opt_input_ts_scale(const char *arg)
2783 {
2784 unsigned int stream;
2785 double scale;
2786 char *p;
2787
2788 stream = strtol(arg, &p, 0);
2789 if (*p)
2790 p++;
2791 scale= strtod(p, &p);
2792
2793 if(stream >= MAX_STREAMS)
2794 av_exit(1);
2795
2796 input_files_ts_scale[nb_input_files][stream]= scale;
2797 }
2798
2799 static int opt_recording_time(const char *opt, const char *arg)
2800 {
2801 recording_time = parse_time_or_die(opt, arg, 1);
2802 return 0;
2803 }
2804
2805 static int opt_start_time(const char *opt, const char *arg)
2806 {
2807 start_time = parse_time_or_die(opt, arg, 1);
2808 return 0;
2809 }
2810
2811 static int opt_rec_timestamp(const char *opt, const char *arg)
2812 {
2813 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2814 return 0;
2815 }
2816
2817 static int opt_input_ts_offset(const char *opt, const char *arg)
2818 {
2819 input_ts_offset = parse_time_or_die(opt, arg, 1);
2820 return 0;
2821 }
2822
2823 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2824 {
2825 const char *codec_string = encoder ? "encoder" : "decoder";
2826 AVCodec *codec;
2827
2828 if(!name)
2829 return CODEC_ID_NONE;
2830 codec = encoder ?
2831 avcodec_find_encoder_by_name(name) :
2832 avcodec_find_decoder_by_name(name);
2833 if(!codec) {
2834 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2835 av_exit(1);
2836 }
2837 if(codec->type != type) {
2838 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2839 av_exit(1);
2840 }
2841 return codec->id;
2842 }
2843
2844 static void opt_input_file(const char *filename)
2845 {
2846 AVFormatContext *ic;
2847 AVFormatParameters params, *ap = &params;
2848 AVInputFormat *file_iformat = NULL;
2849 int err, i, ret, rfps, rfps_base;
2850 int64_t timestamp;
2851
2852 if (last_asked_format) {
2853 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2854 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2855 av_exit(1);
2856 }
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
2886 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2887
2888 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2889 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2890 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2891 ic->flags |= AVFMT_FLAG_NONBLOCK;
2892
2893 if(pgmyuv_compatibility_hack)
2894 ic->video_codec_id= CODEC_ID_PGMYUV;
2895
2896 /* open the input file with generic libav function */
2897 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2898 if (err < 0) {
2899 print_error(filename, err);
2900 av_exit(1);
2901 }
2902 if(opt_programid) {
2903 int i, j;
2904 int found=0;
2905 for(i=0; i<ic->nb_streams; i++){
2906 ic->streams[i]->discard= AVDISCARD_ALL;
2907 }
2908 for(i=0; i<ic->nb_programs; i++){
2909 AVProgram *p= ic->programs[i];
2910 if(p->id != opt_programid){
2911 p->discard = AVDISCARD_ALL;
2912 }else{
2913 found=1;
2914 for(j=0; j<p->nb_stream_indexes; j++){
2915 ic->streams[p->stream_index[j]]->discard= 0;
2916 }
2917 }
2918 }
2919 if(!found){
2920 fprintf(stderr, "Specified program id not found\n");
2921 av_exit(1);
2922 }
2923 opt_programid=0;
2924 }
2925
2926 ic->loop_input = loop_input;
2927
2928 /* If not enough info to get the stream parameters, we decode the
2929 first frames to get it. (used in mpeg case for example) */
2930 ret = av_find_stream_info(ic);
2931 if (ret < 0 && verbose >= 0) {
2932 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2933 av_exit(1);
2934 }
2935
2936 timestamp = start_time;
2937 /* add the stream start time */
2938 if (ic->start_time != AV_NOPTS_VALUE)
2939 timestamp += ic->start_time;
2940
2941 /* if seeking requested, we execute it */
2942 if (start_time != 0) {
2943 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2944 if (ret < 0) {
2945 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2946 filename, (double)timestamp / AV_TIME_BASE);
2947 }
2948 /* reset seek info */
2949 start_time = 0;
2950 }
2951
2952 /* update the current parameters so that they match the one of the input stream */
2953 for(i=0;i<ic->nb_streams;i++) {
2954 AVStream *st = ic->streams[i];
2955 AVCodecContext *enc = st->codec;
2956 avcodec_thread_init(enc, thread_count);
2957 switch(enc->codec_type) {
2958 case CODEC_TYPE_AUDIO:
2959 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2960 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2961 channel_layout = enc->channel_layout;
2962 audio_channels = enc->channels;
2963 audio_sample_rate = enc->sample_rate;
2964 audio_sample_fmt = enc->sample_fmt;
2965 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2966 if(audio_disable)
2967 st->discard= AVDISCARD_ALL;
2968 break;
2969 case CODEC_TYPE_VIDEO:
2970 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2971 frame_height = enc->height;
2972 frame_width = enc->width;
2973 if(ic->streams[i]->sample_aspect_ratio.num)
2974 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2975 else
2976 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2977 frame_aspect_ratio *= (float) enc->width / enc->height;
2978 frame_pix_fmt = enc->pix_fmt;
2979 rfps = ic->streams[i]->r_frame_rate.num;
2980 rfps_base = ic->streams[i]->r_frame_rate.den;
2981 if(enc->lowres) {
2982 enc->flags |= CODEC_FLAG_EMU_EDGE;
2983 frame_height >>= enc->lowres;
2984 frame_width >>= enc->lowres;
2985 }
2986 if(me_threshold)
2987 enc->debug |= FF_DEBUG_MV;
2988
2989 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2990
2991 if (verbose >= 0)
2992 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2993 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2994
2995 (float)rfps / rfps_base, rfps, rfps_base);
2996 }
2997 /* update the current frame rate to match the stream frame rate */
2998 frame_rate.num = rfps;
2999 frame_rate.den = rfps_base;
3000
3001 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
3002 if(video_disable)
3003 st->discard= AVDISCARD_ALL;
3004 else if(video_discard)
3005 st->discard= video_discard;
3006 break;
3007 case CODEC_TYPE_DATA:
3008 break;
3009 case CODEC_TYPE_SUBTITLE:
3010 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
3011 if(subtitle_disable)
3012 st->discard = AVDISCARD_ALL;
3013 break;
3014 case CODEC_TYPE_ATTACHMENT:
3015 case CODEC_TYPE_UNKNOWN:
3016 nb_icodecs++;
3017 break;
3018 default:
3019 abort();
3020 }
3021 }
3022
3023 input_files[nb_input_files] = ic;
3024 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3025 /* dump the file content */
3026 if (verbose >= 0)
3027 dump_format(ic, nb_input_files, filename, 0);
3028
3029 nb_input_files++;
3030
3031 video_channel = 0;
3032
3033 av_freep(&video_codec_name);
3034 av_freep(&audio_codec_name);
3035 av_freep(&subtitle_codec_name);
3036 }
3037
3038 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3039 int *has_subtitle_ptr)
3040 {
3041 int has_video, has_audio, has_subtitle, i, j;
3042 AVFormatContext *ic;
3043
3044 has_video = 0;
3045 has_audio = 0;
3046 has_subtitle = 0;
3047 for(j=0;j<nb_input_files;j++) {
3048 ic = input_files[j];
3049 for(i=0;i<ic->nb_streams;i++) {
3050 AVCodecContext *enc = ic->streams[i]->codec;
3051 switch(enc->codec_type) {
3052 case CODEC_TYPE_AUDIO:
3053 has_audio = 1;
3054 break;
3055 case CODEC_TYPE_VIDEO:
3056 has_video = 1;
3057 break;
3058 case CODEC_TYPE_SUBTITLE:
3059 has_subtitle = 1;
3060 break;
3061 case CODEC_TYPE_DATA:
3062 case CODEC_TYPE_ATTACHMENT:
3063 case CODEC_TYPE_UNKNOWN:
3064 break;
3065 default:
3066 abort();
3067 }
3068 }
3069 }
3070 *has_video_ptr = has_video;
3071 *has_audio_ptr = has_audio;
3072 *has_subtitle_ptr = has_subtitle;
3073 }
3074
3075 static void new_video_stream(AVFormatContext *oc)
3076 {
3077 AVStream *st;
3078 AVCodecContext *video_enc;
3079 enum CodecID codec_id;
3080
3081 st = av_new_stream(oc, oc->nb_streams);
3082 if (!st) {
3083 fprintf(stderr, "Could not alloc stream\n");
3084 av_exit(1);
3085 }
3086 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3087 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3088 video_bitstream_filters= NULL;
3089
3090 avcodec_thread_init(st->codec, thread_count);
3091
3092 video_enc = st->codec;
3093
3094 if(video_codec_tag)
3095 video_enc->codec_tag= video_codec_tag;
3096
3097 if( (video_global_header&1)
3098 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3099 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3100 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3101 }
3102 if(video_global_header&2){
3103 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3104 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3105 }
3106
3107 if (video_stream_copy) {
3108 st->stream_copy = 1;
3109 video_enc->codec_type = CODEC_TYPE_VIDEO;
3110 video_enc->sample_aspect_ratio =
3111 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3112 } else {
3113 const char *p;
3114 int i;
3115 AVCodec *codec;
3116 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3117
3118 if (video_codec_name) {
3119 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3120 codec = avcodec_find_encoder_by_name(video_codec_name);
3121 output_codecs[nb_ocodecs] = codec;
3122 } else {
3123 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3124 codec = avcodec_find_encoder(codec_id);
3125 }
3126
3127 video_enc->codec_id = codec_id;
3128
3129 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3130
3131 if (codec && codec->supported_framerates && !force_fps)
3132 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3133 video_enc->time_base.den = fps.num;
3134 video_enc->time_base.num = fps.den;
3135
3136 video_enc->width = frame_width + frame_padright + frame_padleft;
3137 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3138 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3139 video_enc->pix_fmt = frame_pix_fmt;
3140 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3141
3142 if(codec && codec->pix_fmts){
3143 const enum PixelFormat *p= codec->pix_fmts;
3144 for(; *p!=-1; p++){
3145 if(*p == video_enc->pix_fmt)
3146 break;
3147 }
3148 if(*p == -1)
3149 video_enc->pix_fmt = codec->pix_fmts[0];
3150 }
3151
3152 if (intra_only)
3153 video_enc->gop_size = 0;
3154 if (video_qscale || same_quality) {
3155 video_enc->flags |= CODEC_FLAG_QSCALE;
3156 video_enc->global_quality=
3157 st->quality = FF_QP2LAMBDA * video_qscale;
3158 }
3159
3160 if(intra_matrix)
3161 video_enc->intra_matrix = intra_matrix;
3162 if(inter_matrix)
3163 video_enc->inter_matrix = inter_matrix;
3164
3165 p= video_rc_override_string;
3166 for(i=0; p; i++){
3167 int start, end, q;
3168 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3169 if(e!=3){
3170 fprintf(stderr, "error parsing rc_override\n");
3171 av_exit(1);
3172 }
3173 video_enc->rc_override=
3174 av_realloc(video_enc->rc_override,
3175 sizeof(RcOverride)*(i+1));
3176 video_enc->rc_override[i].start_frame= start;
3177 video_enc->rc_override[i].end_frame = end;
3178 if(q>0){
3179 video_enc->rc_override[i].qscale= q;
3180 video_enc->rc_override[i].quality_factor= 1.0;
3181 }
3182 else{
3183 video_enc->rc_override[i].qscale= 0;
3184 video_enc->rc_override[i].quality_factor= -q/100.0;
3185 }
3186 p= strchr(p, '/');
3187 if(p) p++;