change management of "ab" option in ffmpeg.c, so that it works as "b" option.
[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 #define HAVE_AV_CONFIG_H
22 #include <signal.h>
23 #include <limits.h>
24 #include "avformat.h"
25 #include "swscale.h"
26 #include "framehook.h"
27 #include "dsputil.h"
28 #include "opt.h"
29 #include "fifo.h"
30
31 #ifdef __MINGW32__
32 #include <conio.h>
33 #else
34 #include <unistd.h>
35 #include <fcntl.h>
36 #include <sys/ioctl.h>
37 #include <sys/time.h>
38 #include <termios.h>
39 #include <sys/resource.h>
40 #endif
41 #ifdef CONFIG_OS2
42 #include <sys/types.h>
43 #include <sys/select.h>
44 #include <stdlib.h>
45 #endif
46 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
47 #include <time.h>
48
49 #include "version.h"
50 #include "cmdutils.h"
51
52 #undef NDEBUG
53 #include <assert.h>
54
55 #if !defined(INFINITY) && defined(HUGE_VAL)
56 #define INFINITY HUGE_VAL
57 #endif
58
59 /* select an input stream for an output stream */
60 typedef struct AVStreamMap {
61 int file_index;
62 int stream_index;
63 int sync_file_index;
64 int sync_stream_index;
65 } AVStreamMap;
66
67 /** select an input file for an output file */
68 typedef struct AVMetaDataMap {
69 int out_file;
70 int in_file;
71 } AVMetaDataMap;
72
73 extern const OptionDef options[];
74
75 static void show_help(void);
76 static void show_license(void);
77 static int opt_default(const char *opt, const char *arg);
78
79 #define MAX_FILES 20
80
81 static AVFormatContext *input_files[MAX_FILES];
82 static int64_t input_files_ts_offset[MAX_FILES];
83 static int nb_input_files = 0;
84
85 static AVFormatContext *output_files[MAX_FILES];
86 static int nb_output_files = 0;
87
88 static AVStreamMap stream_maps[MAX_FILES];
89 static int nb_stream_maps;
90
91 static AVMetaDataMap meta_data_maps[MAX_FILES];
92 static int nb_meta_data_maps;
93
94 static AVInputFormat *file_iformat;
95 static AVOutputFormat *file_oformat;
96 static int frame_width = 0;
97 static int frame_height = 0;
98 static float frame_aspect_ratio = 0;
99 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
100 static int frame_padtop = 0;
101 static int frame_padbottom = 0;
102 static int frame_padleft = 0;
103 static int frame_padright = 0;
104 static int padcolor[3] = {16,128,128}; /* default to black */
105 static int frame_topBand = 0;
106 static int frame_bottomBand = 0;
107 static int frame_leftBand = 0;
108 static int frame_rightBand = 0;
109 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
110 static int frame_rate = 25;
111 static int frame_rate_base = 1;
112 static float video_qscale = 0;
113 static int video_qdiff = 3;
114 static uint16_t *intra_matrix = NULL;
115 static uint16_t *inter_matrix = NULL;
116 #if 0 //experimental, (can be removed)
117 static float video_rc_qsquish=1.0;
118 static float video_rc_qmod_amp=0;
119 static int video_rc_qmod_freq=0;
120 #endif
121 static char *video_rc_override_string=NULL;
122 static char *video_rc_eq="tex^qComp";
123 static int me_method = ME_EPZS;
124 static int video_disable = 0;
125 static int video_discard = 0;
126 static int video_codec_id = CODEC_ID_NONE;
127 static int video_codec_tag = 0;
128 static int same_quality = 0;
129 static int do_deinterlace = 0;
130 static int strict = 0;
131 static int top_field_first = -1;
132 static int me_threshold = 0;
133 static int intra_dc_precision = 8;
134 static int loop_input = 0;
135 static int loop_output = AVFMT_NOOUTPUTLOOP;
136 static int qp_hist = 0;
137
138 static int intra_only = 0;
139 static int audio_sample_rate = 44100;
140 #define QSCALE_NONE -99999
141 static float audio_qscale = QSCALE_NONE;
142 static int audio_disable = 0;
143 static int audio_channels = 1;
144 static int audio_codec_id = CODEC_ID_NONE;
145 static int audio_codec_tag = 0;
146 static char *audio_language = NULL;
147
148 static int subtitle_codec_id = CODEC_ID_NONE;
149 static char *subtitle_language = NULL;
150
151 static float mux_preload= 0.5;
152 static float mux_max_delay= 0.7;
153
154 static int64_t recording_time = 0;
155 static int64_t start_time = 0;
156 static int64_t rec_timestamp = 0;
157 static int64_t input_ts_offset = 0;
158 static int file_overwrite = 0;
159 static char *str_title = NULL;
160 static char *str_author = NULL;
161 static char *str_copyright = NULL;
162 static char *str_comment = NULL;
163 static char *str_album = NULL;
164 static int do_benchmark = 0;
165 static int do_hex_dump = 0;
166 static int do_pkt_dump = 0;
167 static int do_psnr = 0;
168 static int do_vstats = 0;
169 static int do_pass = 0;
170 static char *pass_logfilename = NULL;
171 static int audio_stream_copy = 0;
172 static int video_stream_copy = 0;
173 static int subtitle_stream_copy = 0;
174 static int video_sync_method= 1;
175 static int audio_sync_method= 0;
176 static int copy_ts= 0;
177 static int opt_shortest = 0; //
178 static int video_global_header = 0;
179
180 static int rate_emu = 0;
181
182 static int video_channel = 0;
183 static char *video_standard = "ntsc";
184
185 static int audio_volume = 256;
186
187 static int using_stdin = 0;
188 static int using_vhook = 0;
189 static int verbose = 1;
190 static int thread_count= 1;
191 static int q_pressed = 0;
192 static int64_t video_size = 0;
193 static int64_t audio_size = 0;
194 static int64_t extra_size = 0;
195 static int nb_frames_dup = 0;
196 static int nb_frames_drop = 0;
197 static int input_sync;
198 static int limit_filesize = 0; //
199
200 static int pgmyuv_compatibility_hack=0;
201 static int dts_delta_threshold = 10;
202
203 static int sws_flags = SWS_BICUBIC;
204
205 const char **opt_names=NULL;
206 int opt_name_count=0;
207 AVCodecContext *avctx_opts[CODEC_TYPE_NB];
208 AVFormatContext *avformat_opts;
209
210 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
211 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
212 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
213
214 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
215
216 struct AVInputStream;
217
218 typedef struct AVOutputStream {
219 int file_index; /* file index */
220 int index; /* stream index in the output file */
221 int source_index; /* AVInputStream index */
222 AVStream *st; /* stream in the output file */
223 int encoding_needed; /* true if encoding needed for this stream */
224 int frame_number;
225 /* input pts and corresponding output pts
226 for A/V sync */
227 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
228 struct AVInputStream *sync_ist; /* input stream to sync against */
229 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
230 /* video only */
231 int video_resample;
232 AVFrame pict_tmp; /* temporary image for resampling */
233 struct SwsContext *img_resample_ctx; /* for image resampling */
234 int resample_height;
235
236 int video_crop;
237 int topBand; /* cropping area sizes */
238 int leftBand;
239
240 int video_pad;
241 int padtop; /* padding area sizes */
242 int padbottom;
243 int padleft;
244 int padright;
245
246 /* audio only */
247 int audio_resample;
248 ReSampleContext *resample; /* for audio resampling */
249 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
250 FILE *logfile;
251 } AVOutputStream;
252
253 typedef struct AVInputStream {
254 int file_index;
255 int index;
256 AVStream *st;
257 int discard; /* true if stream data should be discarded */
258 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
259 int64_t sample_index; /* current sample */
260
261 int64_t start; /* time when read started */
262 unsigned long frame; /* current frame */
263 int64_t next_pts; /* synthetic pts for cases where pkt.pts
264 is not defined */
265 int64_t pts; /* current pts */
266 int is_start; /* is 1 at the start and after a discontinuity */
267 } AVInputStream;
268
269 typedef struct AVInputFile {
270 int eof_reached; /* true if eof reached */
271 int ist_index; /* index of first stream in ist_table */
272 int buffer_size; /* current total buffer size */
273 int buffer_size_max; /* buffer size at which we consider we can stop
274 buffering */
275 int nb_streams; /* nb streams we are aware of */
276 } AVInputFile;
277
278 #ifndef __MINGW32__
279
280 /* init terminal so that we can grab keys */
281 static struct termios oldtty;
282 #endif
283
284 static void term_exit(void)
285 {
286 #ifndef __MINGW32__
287 tcsetattr (0, TCSANOW, &oldtty);
288 #endif
289 }
290
291 static volatile sig_atomic_t received_sigterm = 0;
292
293 static void
294 sigterm_handler(int sig)
295 {
296 received_sigterm = sig;
297 term_exit();
298 }
299
300 static void term_init(void)
301 {
302 #ifndef __MINGW32__
303 struct termios tty;
304
305 tcgetattr (0, &tty);
306 oldtty = tty;
307
308 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
309 |INLCR|IGNCR|ICRNL|IXON);
310 tty.c_oflag |= OPOST;
311 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
312 tty.c_cflag &= ~(CSIZE|PARENB);
313 tty.c_cflag |= CS8;
314 tty.c_cc[VMIN] = 1;
315 tty.c_cc[VTIME] = 0;
316
317 tcsetattr (0, TCSANOW, &tty);
318 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
319 #endif
320
321 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
322 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
323 /*
324 register a function to be called at normal program termination
325 */
326 atexit(term_exit);
327 #ifdef CONFIG_BEOS_NETSERVER
328 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
329 #endif
330 }
331
332 /* read a key without blocking */
333 static int read_key(void)
334 {
335 #ifdef __MINGW32__
336 if(kbhit())
337 return(getch());
338 #else
339 int n = 1;
340 unsigned char ch;
341 #ifndef CONFIG_BEOS_NETSERVER
342 struct timeval tv;
343 fd_set rfds;
344
345 FD_ZERO(&rfds);
346 FD_SET(0, &rfds);
347 tv.tv_sec = 0;
348 tv.tv_usec = 0;
349 n = select(1, &rfds, NULL, NULL, &tv);
350 #endif
351 if (n > 0) {
352 n = read(0, &ch, 1);
353 if (n == 1)
354 return ch;
355
356 return n;
357 }
358 #endif
359 return -1;
360 }
361
362 static int decode_interrupt_cb(void)
363 {
364 return q_pressed || (q_pressed = read_key() == 'q');
365 }
366
367 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
368 {
369 int i, err;
370 AVFormatContext *ic;
371
372 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
373 if (err < 0)
374 return err;
375 /* copy stream format */
376 s->nb_streams = ic->nb_streams;
377 for(i=0;i<ic->nb_streams;i++) {
378 AVStream *st;
379
380 // FIXME: a more elegant solution is needed
381 st = av_mallocz(sizeof(AVStream));
382 memcpy(st, ic->streams[i], sizeof(AVStream));
383 st->codec = avcodec_alloc_context();
384 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
385 s->streams[i] = st;
386 }
387
388 av_close_input_file(ic);
389 return 0;
390 }
391
392 static double
393 get_sync_ipts(const AVOutputStream *ost)
394 {
395 const AVInputStream *ist = ost->sync_ist;
396 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
397 }
398
399 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
400 while(bsfc){
401 AVPacket new_pkt= *pkt;
402 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
403 &new_pkt.data, &new_pkt.size,
404 pkt->data, pkt->size,
405 pkt->flags & PKT_FLAG_KEY);
406 if(a){
407 av_free_packet(pkt);
408 new_pkt.destruct= av_destruct_packet;
409 }
410 *pkt= new_pkt;
411
412 bsfc= bsfc->next;
413 }
414
415 av_interleaved_write_frame(s, pkt);
416 }
417
418 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
419
420 static void do_audio_out(AVFormatContext *s,
421 AVOutputStream *ost,
422 AVInputStream *ist,
423 unsigned char *buf, int size)
424 {
425 uint8_t *buftmp;
426 static uint8_t *audio_buf = NULL;
427 static uint8_t *audio_out = NULL;
428 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
429
430 int size_out, frame_bytes, ret;
431 AVCodecContext *enc= ost->st->codec;
432
433 /* SC: dynamic allocation of buffers */
434 if (!audio_buf)
435 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
436 if (!audio_out)
437 audio_out = av_malloc(audio_out_size);
438 if (!audio_buf || !audio_out)
439 return; /* Should signal an error ! */
440
441 if(audio_sync_method){
442 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
443 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
444 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
445 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
446
447 //FIXME resample delay
448 if(fabs(delta) > 50){
449 if(ist->is_start){
450 if(byte_delta < 0){
451 byte_delta= FFMAX(byte_delta, -size);
452 size += byte_delta;
453 buf -= byte_delta;
454 if(verbose > 2)
455 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
456 if(!size)
457 return;
458 ist->is_start=0;
459 }else{
460 static uint8_t *input_tmp= NULL;
461 input_tmp= av_realloc(input_tmp, byte_delta + size);
462
463 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
464 ist->is_start=0;
465 else
466 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
467
468 memset(input_tmp, 0, byte_delta);
469 memcpy(input_tmp + byte_delta, buf, size);
470 buf= input_tmp;
471 size += byte_delta;
472 if(verbose > 2)
473 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
474 }
475 }else if(audio_sync_method>1){
476 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
477 assert(ost->audio_resample);
478 if(verbose > 2)
479 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
480 // 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));
481 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
482 }
483 }
484 }else
485 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
486 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
487
488 if (ost->audio_resample) {
489 buftmp = audio_buf;
490 size_out = audio_resample(ost->resample,
491 (short *)buftmp, (short *)buf,
492 size / (ist->st->codec->channels * 2));
493 size_out = size_out * enc->channels * 2;
494 } else {
495 buftmp = buf;
496 size_out = size;
497 }
498
499 /* now encode as many frames as possible */
500 if (enc->frame_size > 1) {
501 /* output resampled raw samples */
502 av_fifo_write(&ost->fifo, buftmp, size_out);
503
504 frame_bytes = enc->frame_size * 2 * enc->channels;
505
506 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
507 AVPacket pkt;
508 av_init_packet(&pkt);
509
510 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
511 (short *)audio_buf);
512 audio_size += ret;
513 pkt.stream_index= ost->index;
514 pkt.data= audio_out;
515 pkt.size= ret;
516 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
517 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
518 pkt.flags |= PKT_FLAG_KEY;
519 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
520
521 ost->sync_opts += enc->frame_size;
522 }
523 } else {
524 AVPacket pkt;
525 av_init_packet(&pkt);
526
527 ost->sync_opts += size_out / (2 * enc->channels);
528
529 /* output a pcm frame */
530 /* XXX: change encoding codec API to avoid this ? */
531 switch(enc->codec->id) {
532 case CODEC_ID_PCM_S32LE:
533 case CODEC_ID_PCM_S32BE:
534 case CODEC_ID_PCM_U32LE:
535 case CODEC_ID_PCM_U32BE:
536 size_out = size_out << 1;
537 break;
538 case CODEC_ID_PCM_S24LE:
539 case CODEC_ID_PCM_S24BE:
540 case CODEC_ID_PCM_U24LE:
541 case CODEC_ID_PCM_U24BE:
542 case CODEC_ID_PCM_S24DAUD:
543 size_out = size_out / 2 * 3;
544 break;
545 case CODEC_ID_PCM_S16LE:
546 case CODEC_ID_PCM_S16BE:
547 case CODEC_ID_PCM_U16LE:
548 case CODEC_ID_PCM_U16BE:
549 break;
550 default:
551 size_out = size_out >> 1;
552 break;
553 }
554 ret = avcodec_encode_audio(enc, audio_out, size_out,
555 (short *)buftmp);
556 audio_size += ret;
557 pkt.stream_index= ost->index;
558 pkt.data= audio_out;
559 pkt.size= ret;
560 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
561 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
562 pkt.flags |= PKT_FLAG_KEY;
563 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
564 }
565 }
566
567 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
568 {
569 AVCodecContext *dec;
570 AVPicture *picture2;
571 AVPicture picture_tmp;
572 uint8_t *buf = 0;
573
574 dec = ist->st->codec;
575
576 /* deinterlace : must be done before any resize */
577 if (do_deinterlace || using_vhook) {
578 int size;
579
580 /* create temporary picture */
581 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
582 buf = av_malloc(size);
583 if (!buf)
584 return;
585
586 picture2 = &picture_tmp;
587 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
588
589 if (do_deinterlace){
590 if(avpicture_deinterlace(picture2, picture,
591 dec->pix_fmt, dec->width, dec->height) < 0) {
592 /* if error, do not deinterlace */
593 av_free(buf);
594 buf = NULL;
595 picture2 = picture;
596 }
597 } else {
598 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
599 }
600 } else {
601 picture2 = picture;
602 }
603
604 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
605
606 if (picture != picture2)
607 *picture = *picture2;
608 *bufp = buf;
609 }
610
611 /* we begin to correct av delay at this threshold */
612 #define AV_DELAY_MAX 0.100
613
614 static void do_subtitle_out(AVFormatContext *s,
615 AVOutputStream *ost,
616 AVInputStream *ist,
617 AVSubtitle *sub,
618 int64_t pts)
619 {
620 static uint8_t *subtitle_out = NULL;
621 int subtitle_out_max_size = 65536;
622 int subtitle_out_size, nb, i;
623 AVCodecContext *enc;
624 AVPacket pkt;
625
626 if (pts == AV_NOPTS_VALUE) {
627 fprintf(stderr, "Subtitle packets must have a pts\n");
628 return;
629 }
630
631 enc = ost->st->codec;
632
633 if (!subtitle_out) {
634 subtitle_out = av_malloc(subtitle_out_max_size);
635 }
636
637 /* Note: DVB subtitle need one packet to draw them and one other
638 packet to clear them */
639 /* XXX: signal it in the codec context ? */
640 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
641 nb = 2;
642 else
643 nb = 1;
644
645 for(i = 0; i < nb; i++) {
646 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
647 subtitle_out_max_size, sub);
648
649 av_init_packet(&pkt);
650 pkt.stream_index = ost->index;
651 pkt.data = subtitle_out;
652 pkt.size = subtitle_out_size;
653 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
654 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
655 /* XXX: the pts correction is handled here. Maybe handling
656 it in the codec would be better */
657 if (i == 0)
658 pkt.pts += 90 * sub->start_display_time;
659 else
660 pkt.pts += 90 * sub->end_display_time;
661 }
662 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
663 }
664 }
665
666 static int bit_buffer_size= 1024*256;
667 static uint8_t *bit_buffer= NULL;
668
669 static void do_video_out(AVFormatContext *s,
670 AVOutputStream *ost,
671 AVInputStream *ist,
672 AVFrame *in_picture,
673 int *frame_size)
674 {
675 int nb_frames, i, ret;
676 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
677 AVFrame picture_crop_temp, picture_pad_temp;
678 uint8_t *buf = NULL, *buf1 = NULL;
679 AVCodecContext *enc, *dec;
680
681 avcodec_get_frame_defaults(&picture_crop_temp);
682 avcodec_get_frame_defaults(&picture_pad_temp);
683
684 enc = ost->st->codec;
685 dec = ist->st->codec;
686
687 /* by default, we output a single frame */
688 nb_frames = 1;
689
690 *frame_size = 0;
691
692 if(video_sync_method){
693 double vdelta;
694 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
695 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
696 if (vdelta < -1.1)
697 nb_frames = 0;
698 else if (vdelta > 1.1)
699 nb_frames = lrintf(vdelta);
700 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
701 if (nb_frames == 0){
702 ++nb_frames_drop;
703 if (verbose>2)
704 fprintf(stderr, "*** drop!\n");
705 }else if (nb_frames > 1) {
706 nb_frames_dup += nb_frames;
707 if (verbose>2)
708 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
709 }
710 }else
711 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
712
713 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
714 if (nb_frames <= 0)
715 return;
716
717 if (ost->video_crop) {
718 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
719 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
720 goto the_end;
721 }
722 formatted_picture = &picture_crop_temp;
723 } else {
724 formatted_picture = in_picture;
725 }
726
727 final_picture = formatted_picture;
728 padding_src = formatted_picture;
729 resampling_dst = &ost->pict_tmp;
730 if (ost->video_pad) {
731 final_picture = &ost->pict_tmp;
732 if (ost->video_resample) {
733 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
734 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
735 goto the_end;
736 }
737 resampling_dst = &picture_pad_temp;
738 }
739 }
740
741 if (ost->video_resample) {
742 padding_src = NULL;
743 final_picture = &ost->pict_tmp;
744 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
745 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
746 }
747
748 if (ost->video_pad) {
749 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
750 enc->height, enc->width, enc->pix_fmt,
751 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
752 }
753
754 /* duplicates frame if needed */
755 for(i=0;i<nb_frames;i++) {
756 AVPacket pkt;
757 av_init_packet(&pkt);
758 pkt.stream_index= ost->index;
759
760 if (s->oformat->flags & AVFMT_RAWPICTURE) {
761 /* raw pictures are written as AVPicture structure to
762 avoid any copies. We support temorarily the older
763 method. */
764 AVFrame* old_frame = enc->coded_frame;
765 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
766 pkt.data= (uint8_t *)final_picture;
767 pkt.size= sizeof(AVPicture);
768 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
769 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
770 if(dec->coded_frame && dec->coded_frame->key_frame)
771 pkt.flags |= PKT_FLAG_KEY;
772
773 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
774 enc->coded_frame = old_frame;
775 } else {
776 AVFrame big_picture;
777
778 big_picture= *final_picture;
779 /* better than nothing: use input picture interlaced
780 settings */
781 big_picture.interlaced_frame = in_picture->interlaced_frame;
782 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
783 if(top_field_first == -1)
784 big_picture.top_field_first = in_picture->top_field_first;
785 else
786 big_picture.top_field_first = top_field_first;
787 }
788
789 /* handles sameq here. This is not correct because it may
790 not be a global option */
791 if (same_quality) {
792 big_picture.quality = ist->st->quality;
793 }else
794 big_picture.quality = ost->st->quality;
795 if(!me_threshold)
796 big_picture.pict_type = 0;
797 // big_picture.pts = AV_NOPTS_VALUE;
798 big_picture.pts= ost->sync_opts;
799 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
800 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
801 ret = avcodec_encode_video(enc,
802 bit_buffer, bit_buffer_size,
803 &big_picture);
804 if (ret == -1) {
805 fprintf(stderr, "Video encoding failed\n");
806 exit(1);
807 }
808 //enc->frame_number = enc->real_pict_num;
809 if(ret>0){
810 pkt.data= bit_buffer;
811 pkt.size= ret;
812 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
813 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
814 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
815 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
816 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
817
818 if(enc->coded_frame && enc->coded_frame->key_frame)
819 pkt.flags |= PKT_FLAG_KEY;
820 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
821 *frame_size = ret;
822 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
823 // enc->frame_number-1, enc->real_pict_num, ret,
824 // enc->pict_type);
825 /* if two pass, output log */
826 if (ost->logfile && enc->stats_out) {
827 fprintf(ost->logfile, "%s", enc->stats_out);
828 }
829 }
830 }
831 ost->sync_opts++;
832 ost->frame_number++;
833 }
834 the_end:
835 av_free(buf);
836 av_free(buf1);
837 }
838
839 static double psnr(double d){
840 if(d==0) return INFINITY;
841 return -10.0*log(d)/log(10.0);
842 }
843
844 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
845 int frame_size)
846 {
847 static FILE *fvstats=NULL;
848 char filename[40];
849 time_t today2;
850 struct tm *today;
851 AVCodecContext *enc;
852 int frame_number;
853 int64_t ti;
854 double ti1, bitrate, avg_bitrate;
855
856 if (!fvstats) {
857 today2 = time(NULL);
858 today = localtime(&today2);
859 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
860 today->tm_min,
861 today->tm_sec);
862 fvstats = fopen(filename,"w");
863 if (!fvstats) {
864 perror("fopen");
865 exit(1);
866 }
867 }
868
869 ti = INT64_MAX;
870 enc = ost->st->codec;
871 if (enc->codec_type == CODEC_TYPE_VIDEO) {
872 frame_number = ost->frame_number;
873 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
874 if (enc->flags&CODEC_FLAG_PSNR)
875 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
876
877 fprintf(fvstats,"f_size= %6d ", frame_size);
878 /* compute pts value */
879 ti1 = ost->sync_opts * av_q2d(enc->time_base);
880 if (ti1 < 0.01)
881 ti1 = 0.01;
882
883 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
884 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
885 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
886 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
887 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
888 }
889 }
890
891 static void print_report(AVFormatContext **output_files,
892 AVOutputStream **ost_table, int nb_ostreams,
893 int is_last_report)
894 {
895 char buf[1024];
896 AVOutputStream *ost;
897 AVFormatContext *oc, *os;
898 int64_t total_size;
899 AVCodecContext *enc;
900 int frame_number, vid, i;
901 double bitrate, ti1, pts;
902 static int64_t last_time = -1;
903 static int qp_histogram[52];
904
905 if (!is_last_report) {
906 int64_t cur_time;
907 /* display the report every 0.5 seconds */
908 cur_time = av_gettime();
909 if (last_time == -1) {
910 last_time = cur_time;
911 return;
912 }
913 if ((cur_time - last_time) < 500000)
914 return;
915 last_time = cur_time;
916 }
917
918
919 oc = output_files[0];
920
921 total_size = url_ftell(&oc->pb);
922
923 buf[0] = '\0';
924 ti1 = 1e10;
925 vid = 0;
926 for(i=0;i<nb_ostreams;i++) {
927 ost = ost_table[i];
928 os = output_files[ost->file_index];
929 enc = ost->st->codec;
930 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
931 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
932 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
933 }
934 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
935 frame_number = ost->frame_number;
936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
937 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
938 if(is_last_report)
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940 if(qp_hist && enc->coded_frame){
941 int j;
942 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
944 qp_histogram[qp]++;
945 for(j=0; j<32; j++)
946 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
947 }
948 if (enc->flags&CODEC_FLAG_PSNR){
949 int j;
950 double error, error_sum=0;
951 double scale, scale_sum=0;
952 char type[3]= {'Y','U','V'};
953 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
954 for(j=0; j<3; j++){
955 if(is_last_report){
956 error= enc->error[j];
957 scale= enc->width*enc->height*255.0*255.0*frame_number;
958 }else{
959 error= enc->coded_frame->error[j];
960 scale= enc->width*enc->height*255.0*255.0;
961 }
962 if(j) scale/=4;
963 error_sum += error;
964 scale_sum += scale;
965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
966 }
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
968 }
969 vid = 1;
970 }
971 /* compute min output value */
972 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
973 if ((pts < ti1) && (pts > 0))
974 ti1 = pts;
975 }
976 if (ti1 < 0.01)
977 ti1 = 0.01;
978
979 if (verbose || is_last_report) {
980 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
981
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984 (double)total_size / 1024, ti1, bitrate);
985
986 if (verbose > 1)
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988 nb_frames_dup, nb_frames_drop);
989
990 if (verbose >= 0)
991 fprintf(stderr, "%s \r", buf);
992
993 fflush(stderr);
994 }
995
996 if (is_last_report && verbose >= 0){
997 int64_t raw= audio_size + video_size + extra_size;
998 fprintf(stderr, "\n");
999 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1000 video_size/1024.0,
1001 audio_size/1024.0,
1002 extra_size/1024.0,
1003 100.0*(total_size - raw)/raw
1004 );
1005 }
1006 }
1007
1008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1009 static int output_packet(AVInputStream *ist, int ist_index,
1010 AVOutputStream **ost_table, int nb_ostreams,
1011 const AVPacket *pkt)
1012 {
1013 AVFormatContext *os;
1014 AVOutputStream *ost;
1015 uint8_t *ptr;
1016 int len, ret, i;
1017 uint8_t *data_buf;
1018 int data_size, got_picture;
1019 AVFrame picture;
1020 void *buffer_to_free;
1021 static unsigned int samples_size= 0;
1022 static short *samples= NULL;
1023 AVSubtitle subtitle, *subtitle_to_free;
1024 int got_subtitle;
1025
1026 if(!pkt){
1027 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1030 } else {
1031 // assert(ist->pts == ist->next_pts);
1032 }
1033
1034 if (pkt == NULL) {
1035 /* EOF handling */
1036 ptr = NULL;
1037 len = 0;
1038 goto handle_eof;
1039 }
1040
1041 len = pkt->size;
1042 ptr = pkt->data;
1043 while (len > 0) {
1044 handle_eof:
1045 /* decode the packet if needed */
1046 data_buf = NULL; /* fail safe */
1047 data_size = 0;
1048 subtitle_to_free = NULL;
1049 if (ist->decoding_needed) {
1050 switch(ist->st->codec->codec_type) {
1051 case CODEC_TYPE_AUDIO:{
1052 if(pkt)
1053 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054 data_size= samples_size;
1055 /* XXX: could avoid copy if PCM 16 bits with same
1056 endianness as CPU */
1057 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1058 ptr, len);
1059 if (ret < 0)
1060 goto fail_decode;
1061 ptr += ret;
1062 len -= ret;
1063 /* Some bug in mpeg audio decoder gives */
1064 /* data_size < 0, it seems they are overflows */
1065 if (data_size <= 0) {
1066 /* no audio frame */
1067 continue;
1068 }
1069 data_buf = (uint8_t *)samples;
1070 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071 (ist->st->codec->sample_rate * ist->st->codec->channels);
1072 break;}
1073 case CODEC_TYPE_VIDEO:
1074 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075 /* XXX: allocate picture correctly */
1076 avcodec_get_frame_defaults(&picture);
1077
1078 ret = avcodec_decode_video(ist->st->codec,
1079 &picture, &got_picture, ptr, len);
1080 ist->st->quality= picture.quality;
1081 if (ret < 0)
1082 goto fail_decode;
1083 if (!got_picture) {
1084 /* no picture yet */
1085 goto discard_packet;
1086 }
1087 if (ist->st->codec->time_base.num != 0) {
1088 ist->next_pts += ((int64_t)AV_TIME_BASE *
1089 ist->st->codec->time_base.num) /
1090 ist->st->codec->time_base.den;
1091 }
1092 len = 0;
1093 break;
1094 case CODEC_TYPE_SUBTITLE:
1095 ret = avcodec_decode_subtitle(ist->st->codec,
1096 &subtitle, &got_subtitle, ptr, len);
1097 if (ret < 0)
1098 goto fail_decode;
1099 if (!got_subtitle) {
1100 goto discard_packet;
1101 }
1102 subtitle_to_free = &subtitle;
1103 len = 0;
1104 break;
1105 default:
1106 goto fail_decode;
1107 }
1108 } else {
1109 switch(ist->st->codec->codec_type) {
1110 case CODEC_TYPE_AUDIO:
1111 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112 (ist->st->codec->sample_rate * ist->st->codec->channels);
1113 break;
1114 case CODEC_TYPE_VIDEO:
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1119 }
1120 break;
1121 }
1122 data_buf = ptr;
1123 data_size = len;
1124 ret = len;
1125 len = 0;
1126 }
1127
1128 buffer_to_free = NULL;
1129 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130 pre_process_video_frame(ist, (AVPicture *)&picture,
1131 &buffer_to_free);
1132 }
1133
1134 // preprocess audio (volume)
1135 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136 if (audio_volume != 256) {
1137 short *volp;
1138 volp = samples;
1139 for(i=0;i<(data_size / sizeof(short));i++) {
1140 int v = ((*volp) * audio_volume + 128) >> 8;
1141 if (v < -32768) v = -32768;
1142 if (v > 32767) v = 32767;
1143 *volp++ = v;
1144 }
1145 }
1146 }
1147
1148 /* frame rate emulation */
1149 if (ist->st->codec->rate_emu) {
1150 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151 int64_t now = av_gettime() - ist->start;
1152 if (pts > now)
1153 usleep(pts - now);
1154
1155 ist->frame++;
1156 }
1157
1158 #if 0
1159 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160 is the one of the next displayed one */
1161 /* XXX: add mpeg4 too ? */
1162 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163 if (ist->st->codec->pict_type != B_TYPE) {
1164 int64_t tmp;
1165 tmp = ist->last_ip_pts;
1166 ist->last_ip_pts = ist->frac_pts.val;
1167 ist->frac_pts.val = tmp;
1168 }
1169 }
1170 #endif
1171 /* if output time reached then transcode raw format,
1172 encode packets and output them */
1173 if (start_time == 0 || ist->pts >= start_time)
1174 for(i=0;i<nb_ostreams;i++) {
1175 int frame_size;
1176
1177 ost = ost_table[i];
1178 if (ost->source_index == ist_index) {
1179 os = output_files[ost->file_index];
1180
1181 #if 0
1182 printf("%d: got pts=%0.3f %0.3f\n", i,
1183 (double)pkt->pts / AV_TIME_BASE,
1184 ((double)ist->pts / AV_TIME_BASE) -
1185 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1186 #endif
1187 /* set the input output pts pairs */
1188 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1189
1190 if (ost->encoding_needed) {
1191 switch(ost->st->codec->codec_type) {
1192 case CODEC_TYPE_AUDIO:
1193 do_audio_out(os, ost, ist, data_buf, data_size);
1194 break;
1195 case CODEC_TYPE_VIDEO:
1196 do_video_out(os, ost, ist, &picture, &frame_size);
1197 video_size += frame_size;
1198 if (do_vstats && frame_size)
1199 do_video_stats(os, ost, frame_size);
1200 break;
1201 case CODEC_TYPE_SUBTITLE:
1202 do_subtitle_out(os, ost, ist, &subtitle,
1203 pkt->pts);
1204 break;
1205 default:
1206 av_abort();
1207 }
1208 } else {
1209 AVFrame avframe; //FIXME/XXX remove this
1210 AVPacket opkt;
1211 av_init_packet(&opkt);
1212
1213 /* no reencoding needed : output the packet directly */
1214 /* force the input stream PTS */
1215
1216 avcodec_get_frame_defaults(&avframe);
1217 ost->st->codec->coded_frame= &avframe;
1218 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1219
1220 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1221 audio_size += data_size;
1222 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1223 video_size += data_size;
1224 ost->sync_opts++;
1225 }
1226
1227 opkt.stream_index= ost->index;
1228 if(pkt->pts != AV_NOPTS_VALUE)
1229 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1230 else
1231 opkt.pts= AV_NOPTS_VALUE;
1232
1233 {
1234 int64_t dts;
1235 if (pkt->dts == AV_NOPTS_VALUE)
1236 dts = ist->next_pts;
1237 else
1238 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1239 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1240 }
1241 opkt.flags= pkt->flags;
1242
1243 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1244 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1245 opkt.destruct= av_destruct_packet;
1246
1247 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1248 ost->st->codec->frame_number++;
1249 ost->frame_number++;
1250 av_free_packet(&opkt);
1251 }
1252 }
1253 }
1254 av_free(buffer_to_free);
1255 /* XXX: allocate the subtitles in the codec ? */
1256 if (subtitle_to_free) {
1257 if (subtitle_to_free->rects != NULL) {
1258 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1259 av_free(subtitle_to_free->rects[i].bitmap);
1260 av_free(subtitle_to_free->rects[i].rgba_palette);
1261 }
1262 av_freep(&subtitle_to_free->rects);
1263 }
1264 subtitle_to_free->num_rects = 0;
1265 subtitle_to_free = NULL;
1266 }
1267 }
1268 discard_packet:
1269 if (pkt == NULL) {
1270 /* EOF handling */
1271
1272 for(i=0;i<nb_ostreams;i++) {
1273 ost = ost_table[i];
1274 if (ost->source_index == ist_index) {
1275 AVCodecContext *enc= ost->st->codec;
1276 os = output_files[ost->file_index];
1277
1278 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1279 continue;
1280 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1281 continue;
1282
1283 if (ost->encoding_needed) {
1284 for(;;) {
1285 AVPacket pkt;
1286 int fifo_bytes;
1287 av_init_packet(&pkt);
1288 pkt.stream_index= ost->index;
1289
1290 switch(ost->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 fifo_bytes = av_fifo_size(&ost->fifo);
1293 ret = 0;
1294 /* encode any samples remaining in fifo */
1295 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1296 int fs_tmp = enc->frame_size;
1297 enc->frame_size = fifo_bytes / (2 * enc->channels);
1298 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1299 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1300 }
1301 enc->frame_size = fs_tmp;
1302 }
1303 if(ret <= 0) {
1304 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1305 }
1306 audio_size += ret;
1307 pkt.flags |= PKT_FLAG_KEY;
1308 break;
1309 case CODEC_TYPE_VIDEO:
1310 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1311 video_size += ret;
1312 if(enc->coded_frame && enc->coded_frame->key_frame)
1313 pkt.flags |= PKT_FLAG_KEY;
1314 if (ost->logfile && enc->stats_out) {
1315 fprintf(ost->logfile, "%s", enc->stats_out);
1316 }
1317 break;
1318 default:
1319 ret=-1;
1320 }
1321
1322 if(ret<=0)
1323 break;
1324 pkt.data= bit_buffer;
1325 pkt.size= ret;
1326 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1327 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1329 }
1330 }
1331 }
1332 }
1333 }
1334
1335 return 0;
1336 fail_decode:
1337 return -1;
1338 }
1339
1340
1341 /*
1342 * The following code is the main loop of the file converter
1343 */
1344 static int av_encode(AVFormatContext **output_files,
1345 int nb_output_files,
1346 AVFormatContext **input_files,
1347 int nb_input_files,
1348 AVStreamMap *stream_maps, int nb_stream_maps)
1349 {
1350 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1351 AVFormatContext *is, *os;
1352 AVCodecContext *codec, *icodec;
1353 AVOutputStream *ost, **ost_table = NULL;
1354 AVInputStream *ist, **ist_table = NULL;
1355 AVInputFile *file_table;
1356 AVFormatContext *stream_no_data;
1357 int key;
1358
1359 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1360 if (!file_table)
1361 goto fail;
1362
1363 /* input stream init */
1364 j = 0;
1365 for(i=0;i<nb_input_files;i++) {
1366 is = input_files[i];
1367 file_table[i].ist_index = j;
1368 file_table[i].nb_streams = is->nb_streams;
1369 j += is->nb_streams;
1370 }
1371 nb_istreams = j;
1372
1373 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1374 if (!ist_table)
1375 goto fail;
1376
1377 for(i=0;i<nb_istreams;i++) {
1378 ist = av_mallocz(sizeof(AVInputStream));
1379 if (!ist)
1380 goto fail;
1381 ist_table[i] = ist;
1382 }
1383 j = 0;
1384 for(i=0;i<nb_input_files;i++) {
1385 is = input_files[i];
1386 for(k=0;k<is->nb_streams;k++) {
1387 ist = ist_table[j++];
1388 ist->st = is->streams[k];
1389 ist->file_index = i;
1390 ist->index = k;
1391 ist->discard = 1; /* the stream is discarded by default
1392 (changed later) */
1393
1394 if (ist->st->codec->rate_emu) {
1395 ist->start = av_gettime();
1396 ist->frame = 0;
1397 }
1398 }
1399 }
1400
1401 /* output stream init */
1402 nb_ostreams = 0;
1403 for(i=0;i<nb_output_files;i++) {
1404 os = output_files[i];
1405 if (!os->nb_streams) {
1406 fprintf(stderr, "Output file does not contain any stream\n");
1407 exit(1);
1408 }
1409 nb_ostreams += os->nb_streams;
1410 }
1411 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1412 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1413 exit(1);
1414 }
1415
1416 /* Sanity check the mapping args -- do the input files & streams exist? */
1417 for(i=0;i<nb_stream_maps;i++) {
1418 int fi = stream_maps[i].file_index;
1419 int si = stream_maps[i].stream_index;
1420
1421 if (fi < 0 || fi > nb_input_files - 1 ||
1422 si < 0 || si > file_table[fi].nb_streams - 1) {
1423 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1424 exit(1);
1425 }
1426 fi = stream_maps[i].sync_file_index;
1427 si = stream_maps[i].sync_stream_index;
1428 if (fi < 0 || fi > nb_input_files - 1 ||
1429 si < 0 || si > file_table[fi].nb_streams - 1) {
1430 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1431 exit(1);
1432 }
1433 }
1434
1435 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1436 if (!ost_table)
1437 goto fail;
1438 for(i=0;i<nb_ostreams;i++) {
1439 ost = av_mallocz(sizeof(AVOutputStream));
1440 if (!ost)
1441 goto fail;
1442 ost_table[i] = ost;
1443 }
1444
1445 n = 0;
1446 for(k=0;k<nb_output_files;k++) {
1447 os = output_files[k];
1448 for(i=0;i<os->nb_streams;i++) {
1449 int found;
1450 ost = ost_table[n++];
1451 ost->file_index = k;
1452 ost->index = i;
1453 ost->st = os->streams[i];
1454 if (nb_stream_maps > 0) {
1455 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1456 stream_maps[n-1].stream_index;
1457
1458 /* Sanity check that the stream types match */
1459 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1460 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1461 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1462 ost->file_index, ost->index);
1463 exit(1);
1464 }
1465
1466 } else {
1467 /* get corresponding input stream index : we select the first one with the right type */
1468 found = 0;
1469 for(j=0;j<nb_istreams;j++) {
1470 ist = ist_table[j];
1471 if (ist->discard &&
1472 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1473 ost->source_index = j;
1474 found = 1;
1475 break;
1476 }
1477 }
1478
1479 if (!found) {
1480 /* try again and reuse existing stream */
1481 for(j=0;j<nb_istreams;j++) {
1482 ist = ist_table[j];
1483 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1484 ost->source_index = j;
1485 found = 1;
1486 }
1487 }
1488 if (!found) {
1489 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1490 ost->file_index, ost->index);
1491 exit(1);
1492 }
1493 }
1494 }
1495 ist = ist_table[ost->source_index];
1496 ist->discard = 0;
1497 ost->sync_ist = (nb_stream_maps > 0) ?
1498 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1499 stream_maps[n-1].sync_stream_index] : ist;
1500 }
1501 }
1502
1503 /* for each output stream, we compute the right encoding parameters */
1504 for(i=0;i<nb_ostreams;i++) {
1505 ost = ost_table[i];
1506 ist = ist_table[ost->source_index];
1507
1508 codec = ost->st->codec;
1509 icodec = ist->st->codec;
1510
1511 if (ost->st->stream_copy) {
1512 /* if stream_copy is selected, no need to decode or encode */
1513 codec->codec_id = icodec->codec_id;
1514 codec->codec_type = icodec->codec_type;
1515 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1516 codec->bit_rate = icodec->bit_rate;
1517 codec->extradata= icodec->extradata;
1518 codec->extradata_size= icodec->extradata_size;
1519 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1520 codec->time_base = icodec->time_base;
1521 else
1522 codec->time_base = ist->st->time_base;
1523 switch(codec->codec_type) {
1524 case CODEC_TYPE_AUDIO:
1525 codec->sample_rate = icodec->sample_rate;
1526 codec->channels = icodec->channels;
1527 codec->frame_size = icodec->frame_size;
1528 codec->block_align= icodec->block_align;
1529 break;
1530 case CODEC_TYPE_VIDEO:
1531 if(using_vhook) {
1532 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1533 exit(1);
1534 }
1535 codec->pix_fmt = icodec->pix_fmt;
1536 codec->width = icodec->width;
1537 codec->height = icodec->height;
1538 codec->has_b_frames = icodec->has_b_frames;
1539 break;
1540 case CODEC_TYPE_SUBTITLE:
1541 break;
1542 default:
1543 av_abort();
1544 }
1545 } else {
1546 switch(codec->codec_type) {
1547 case CODEC_TYPE_AUDIO:
1548 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1549 goto fail;
1550
1551 if (codec->channels == icodec->channels &&
1552 codec->sample_rate == icodec->sample_rate) {
1553 ost->audio_resample = 0;
1554 } else {
1555 if (codec->channels != icodec->channels &&
1556 (icodec->codec_id == CODEC_ID_AC3 ||
1557 icodec->codec_id == CODEC_ID_DTS)) {
1558 /* Special case for 5:1 AC3 and DTS input */
1559 /* and mono or stereo output */
1560 /* Request specific number of channels */
1561 icodec->channels = codec->channels;
1562 if (codec->sample_rate == icodec->sample_rate)
1563 ost->audio_resample = 0;
1564 else {
1565 ost->audio_resample = 1;
1566 }
1567 } else {
1568 ost->audio_resample = 1;
1569 }
1570 }
1571 if(audio_sync_method>1)
1572 ost->audio_resample = 1;
1573
1574 if(ost->audio_resample){
1575 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1576 codec->sample_rate, icodec->sample_rate);
1577 if(!ost->resample){
1578 printf("Can't resample. Aborting.\n");
1579 av_abort();
1580 }
1581 }
1582 ist->decoding_needed = 1;
1583 ost->encoding_needed = 1;
1584 break;
1585 case CODEC_TYPE_VIDEO:
1586 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1587 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1588 ost->video_resample = ((codec->width != icodec->width -
1589 (frame_leftBand + frame_rightBand) +
1590 (frame_padleft + frame_padright)) ||
1591 (codec->height != icodec->height -
1592 (frame_topBand + frame_bottomBand) +
1593 (frame_padtop + frame_padbottom)) ||
1594 (codec->pix_fmt != icodec->pix_fmt));
1595 if (ost->video_crop) {
1596 ost->topBand = frame_topBand;
1597 ost->leftBand = frame_leftBand;
1598 }
1599 if (ost->video_pad) {
1600 ost->padtop = frame_padtop;
1601 ost->padleft = frame_padleft;
1602 ost->padbottom = frame_padbottom;
1603 ost->padright = frame_padright;
1604 if (!ost->video_resample) {
1605 avcodec_get_frame_defaults(&ost->pict_tmp);
1606 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1607 codec->width, codec->height ) )
1608 goto fail;
1609 }
1610 }
1611 if (ost->video_resample) {
1612 avcodec_get_frame_defaults(&ost->pict_tmp);
1613 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1614 codec->width, codec->height ) )
1615 exit(1);
1616
1617 ost->img_resample_ctx = sws_getContext(
1618 icodec->width - (frame_leftBand + frame_rightBand),
1619 icodec->height - (frame_topBand + frame_bottomBand),
1620 icodec->pix_fmt,
1621 codec->width - (frame_padleft + frame_padright),
1622 codec->height - (frame_padtop + frame_padbottom),
1623 codec->pix_fmt,
1624 sws_flags, NULL, NULL, NULL);
1625 if (ost->img_resample_ctx == NULL) {
1626 fprintf(stderr, "Cannot get resampling context\n");
1627 exit(1);
1628 }
1629 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1630 }
1631 ost->encoding_needed = 1;
1632 ist->decoding_needed = 1;
1633 break;
1634 case CODEC_TYPE_SUBTITLE:
1635 ost->encoding_needed = 1;
1636 ist->decoding_needed = 1;
1637 break;
1638 default:
1639 av_abort();
1640 break;
1641 }
1642 /* two pass mode */
1643 if (ost->encoding_needed &&
1644 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1645 char logfilename[1024];
1646 FILE *f;
1647 int size;
1648 char *logbuffer;
1649
1650 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1651 pass_logfilename ?
1652 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1653 if (codec->flags & CODEC_FLAG_PASS1) {
1654 f = fopen(logfilename, "w");
1655 if (!f) {
1656 perror(logfilename);
1657 exit(1);
1658 }
1659 ost->logfile = f;
1660 } else {
1661 /* read the log file */
1662 f = fopen(logfilename, "r");
1663 if (!f) {
1664 perror(logfilename);
1665 exit(1);
1666 }
1667 fseek(f, 0, SEEK_END);
1668 size = ftell(f);
1669 fseek(f, 0, SEEK_SET);
1670 logbuffer = av_malloc(size + 1);
1671 if (!logbuffer) {
1672 fprintf(stderr, "Could not allocate log buffer\n");
1673 exit(1);
1674 }
1675 size = fread(logbuffer, 1, size, f);
1676 fclose(f);
1677 logbuffer[size] = '\0';
1678 codec->stats_in = logbuffer;
1679 }
1680 }
1681 }
1682 if(codec->codec_type == CODEC_TYPE_VIDEO){
1683 int size= codec->width * codec->height;
1684 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1685 }
1686 }
1687
1688 if (!bit_buffer)
1689 bit_buffer = av_malloc(bit_buffer_size);
1690 if (!bit_buffer)
1691 goto fail;
1692
1693 /* dump the file output parameters - cannot be done before in case
1694 of stream copy */
1695 for(i=0;i<nb_output_files;i++) {
1696 dump_format(output_files[i], i, output_files[i]->filename, 1);
1697 }
1698
1699 /* dump the stream mapping */
1700 if (verbose >= 0) {
1701 fprintf(stderr, "Stream mapping:\n");
1702 for(i=0;i<nb_ostreams;i++) {
1703 ost = ost_table[i];
1704 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1705 ist_table[ost->source_index]->file_index,
1706 ist_table[ost->source_index]->index,
1707 ost->file_index,
1708 ost->index);
1709 if (ost->sync_ist != ist_table[ost->source_index])
1710 fprintf(stderr, " [sync #%d.%d]",
1711 ost->sync_ist->file_index,
1712 ost->sync_ist->index);
1713 fprintf(stderr, "\n");
1714 }
1715 }
1716
1717 /* open each encoder */
1718 for(i=0;i<nb_ostreams;i++) {
1719 ost = ost_table[i];
1720 if (ost->encoding_needed) {
1721 AVCodec *codec;
1722 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1723 if (!codec) {
1724 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1725 ost->file_index, ost->index);
1726 exit(1);
1727 }
1728 if (avcodec_open(ost->st->codec, codec) < 0) {
1729 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1730 ost->file_index, ost->index);
1731 exit(1);
1732 }
1733 extra_size += ost->st->codec->extradata_size;
1734 }
1735 }
1736
1737 /* open each decoder */
1738 for(i=0;i<nb_istreams;i++) {
1739 ist = ist_table[i];
1740 if (ist->decoding_needed) {
1741 AVCodec *codec;
1742 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1743 if (!codec) {
1744 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1745 ist->st->codec->codec_id, ist->file_index, ist->index);
1746 exit(1);
1747 }
1748 if (avcodec_open(ist->st->codec, codec) < 0) {
1749 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1750 ist->file_index, ist->index);
1751 exit(1);
1752 }
1753 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1754 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1755 }
1756 }
1757
1758 /* init pts */
1759 for(i=0;i<nb_istreams;i++) {
1760 ist = ist_table[i];
1761 is = input_files[ist->file_index];
1762 ist->pts = 0;
1763 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1764 if(ist->st->start_time == AV_NOPTS_VALUE)
1765 ist->next_pts=0;
1766 if(input_files_ts_offset[ist->file_index])
1767 ist->next_pts= AV_NOPTS_VALUE;
1768 ist->is_start = 1;
1769 }
1770
1771 /* compute buffer size max (should use a complete heuristic) */
1772 for(i=0;i<nb_input_files;i++) {
1773 file_table[i].buffer_size_max = 2048;
1774 }
1775
1776 /* set meta data information from input file if required */
1777 for (i=0;i<nb_meta_data_maps;i++) {
1778 AVFormatContext *out_file;
1779 AVFormatContext *in_file;
1780
1781 int out_file_index = meta_data_maps[i].out_file;
1782 int in_file_index = meta_data_maps[i].in_file;
1783 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1784 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1785 ret = AVERROR(EINVAL);
1786 goto fail;
1787 }
1788 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1789 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1790 ret = AVERROR(EINVAL);
1791 goto fail;
1792 }
1793
1794 out_file = output_files[out_file_index];
1795 in_file = input_files[in_file_index];
1796
1797 strcpy(out_file->title, in_file->title);
1798 strcpy(out_file->author, in_file->author);
1799 strcpy(out_file->copyright, in_file->copyright);
1800 strcpy(out_file->comment, in_file->comment);
1801 strcpy(out_file->album, in_file->album);
1802 out_file->year = in_file->year;
1803 out_file->track = in_file->track;
1804 strcpy(out_file->genre, in_file->genre);
1805 }
1806
1807 /* open files and write file headers */
1808 for(i=0;i<nb_output_files;i++) {
1809 os = output_files[i];
1810 if (av_write_header(os) < 0) {
1811 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1812 ret = AVERROR(EINVAL);
1813 goto fail;
1814 }
1815 }
1816
1817 if ( !using_stdin && verbose >= 0) {
1818 fprintf(stderr, "Press [q] to stop encoding\n");
1819 url_set_interrupt_cb(decode_interrupt_cb);
1820 }
1821 term_init();
1822
1823 stream_no_data = 0;
1824 key = -1;
1825
1826 for(; received_sigterm == 0;) {
1827 int file_index, ist_index;
1828 AVPacket pkt;
1829 double ipts_min;
1830 double opts_min;
1831
1832 redo:
1833 ipts_min= 1e100;
1834 opts_min= 1e100;
1835 /* if 'q' pressed, exits */
1836 if (!using_stdin) {
1837 if (q_pressed)
1838 break;
1839 /* read_key() returns 0 on EOF */
1840 key = read_key();
1841 if (key == 'q')
1842 break;
1843 }
1844
1845 /* select the stream that we must read now by looking at the
1846 smallest output pts */
1847 file_index = -1;
1848 for(i=0;i<nb_ostreams;i++) {
1849 double ipts, opts;
1850 ost = ost_table[i];
1851 os = output_files[ost->file_index];
1852 ist = ist_table[ost->source_index];
1853 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1854 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1855 else
1856 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1857 ipts = (double)ist->pts;
1858 if (!file_table[ist->file_index].eof_reached){
1859 if(ipts < ipts_min) {
1860 ipts_min = ipts;
1861 if(input_sync ) file_index = ist->file_index;
1862 }
1863 if(opts < opts_min) {
1864 opts_min = opts;
1865 if(!input_sync) file_index = ist->file_index;
1866 }
1867 }
1868 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1869 file_index= -1;
1870 break;
1871 }
1872 }
1873 /* if none, if is finished */
1874 if (file_index < 0) {
1875 break;
1876 }
1877
1878 /* finish if recording time exhausted */
1879 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1880 break;
1881
1882 /* finish if limit size exhausted */
1883 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1884 break;
1885
1886 /* read a frame from it and output it in the fifo */
1887 is = input_files[file_index];
1888 if (av_read_frame(is, &pkt) < 0) {
1889 file_table[file_index].eof_reached = 1;
1890 if (opt_shortest) break; else continue; //
1891 }
1892
1893 if (!pkt.size) {
1894 stream_no_data = is;
1895 } else {
1896 stream_no_data = 0;
1897 }
1898 if (do_pkt_dump) {
1899 av_pkt_dump(stdout, &pkt, do_hex_dump);
1900 }
1901 /* the following test is needed in case new streams appear
1902 dynamically in stream : we ignore them */
1903 if (pkt.stream_index >= file_table[file_index].nb_streams)
1904 goto discard_packet;
1905 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1906 ist = ist_table[ist_index];
1907 if (ist->discard)
1908 goto discard_packet;
1909
1910 // 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);
1911 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1912 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1913 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1914 input_files_ts_offset[ist->file_index]-= delta;
1915 if (verbose > 2)
1916 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1917 for(i=0; i<file_table[file_index].nb_streams; i++){
1918 int index= file_table[file_index].ist_index + i;
1919 ist_table[index]->next_pts += delta;
1920 ist_table[index]->is_start=1;
1921 }
1922 }
1923 }
1924
1925 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1926 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1927
1928 if (verbose >= 0)
1929 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1930 ist->file_index, ist->index);
1931
1932 av_free_packet(&pkt);
1933 goto redo;
1934 }
1935
1936 discard_packet:
1937 av_free_packet(&pkt);
1938
1939 /* dump report by using the output first video and audio streams */
1940 print_report(output_files, ost_table, nb_ostreams, 0);
1941 }
1942
1943 /* at the end of stream, we must flush the decoder buffers */
1944 for(i=0;i<nb_istreams;i++) {
1945 ist = ist_table[i];
1946 if (ist->decoding_needed) {
1947 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1948 }
1949 }
1950
1951 term_exit();
1952
1953 /* write the trailer if needed and close file */
1954 for(i=0;i<nb_output_files;i++) {
1955 os = output_files[i];
1956 av_write_trailer(os);
1957 }
1958
1959 /* dump report by using the first video and audio streams */
1960 print_report(output_files, ost_table, nb_ostreams, 1);
1961
1962 /* close each encoder */
1963 for(i=0;i<nb_ostreams;i++) {
1964 ost = ost_table[i];
1965 if (ost->encoding_needed) {
1966 av_freep(&ost->st->codec->stats_in);
1967 avcodec_close(ost->st->codec);
1968 }
1969 }
1970
1971 /* close each decoder */
1972 for(i=0;i<nb_istreams;i++) {
1973 ist = ist_table[i];
1974 if (ist->decoding_needed) {
1975 avcodec_close(ist->st->codec);
1976 }
1977 }
1978
1979 /* finished ! */
1980
1981 ret = 0;
1982 fail1:
1983 av_freep(&bit_buffer);
1984 av_free(file_table);
1985
1986 if (ist_table) {
1987 for(i=0;i<nb_istreams;i++) {
1988 ist = ist_table[i];
1989 av_free(ist);
1990 }
1991 av_free(ist_table);
1992 }
1993 if (ost_table) {
1994 for(i=0;i<nb_ostreams;i++) {
1995 ost = ost_table[i];
1996 if (ost) {
1997 if (ost->logfile) {
1998 fclose(ost->logfile);
1999 ost->logfile = NULL;
2000 }
2001 av_fifo_free(&ost->fifo); /* works even if fifo is not
2002 initialized but set to zero */
2003 av_free(ost->pict_tmp.data[0]);
2004 if (ost->video_resample)
2005 sws_freeContext(ost->img_resample_ctx);
2006 if (ost->audio_resample)
2007 audio_resample_close(ost->resample);
2008 av_free(ost);
2009 }
2010 }
2011 av_free(ost_table);
2012 }
2013 return ret;
2014 fail:
2015 ret = AVERROR(ENOMEM);
2016 goto fail1;
2017 }
2018
2019 #if 0
2020 int file_read(const char *filename)
2021 {
2022 URLContext *h;
2023 unsigned char buffer[1024];
2024 int len, i;
2025
2026 if (url_open(&h, filename, O_RDONLY) < 0) {
2027 printf("could not open '%s'\n", filename);
2028 return -1;
2029 }
2030 for(;;) {
2031 len = url_read(h, buffer, sizeof(buffer));
2032 if (len <= 0)
2033 break;
2034 for(i=0;i<len;i++) putchar(buffer[i]);
2035 }
2036 url_close(h);
2037 return 0;
2038 }
2039 #endif
2040
2041 static void opt_format(const char *arg)
2042 {
2043 /* compatibility stuff for pgmyuv */
2044 if (!strcmp(arg, "pgmyuv")) {
2045 pgmyuv_compatibility_hack=1;
2046 // opt_image_format(arg);
2047 arg = "image2";
2048 }
2049
2050 file_iformat = av_find_input_format(arg);
2051 file_oformat = guess_format(arg, NULL, NULL);
2052 if (!file_iformat && !file_oformat) {
2053 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2054 exit(1);
2055 }
2056 }
2057
2058 static void opt_video_rc_eq(char *arg)
2059 {
2060 video_rc_eq = arg;
2061 }
2062
2063 static void opt_video_rc_override_string(char *arg)
2064 {
2065 video_rc_override_string = arg;
2066 }
2067
2068 static void opt_me_threshold(const char *arg)
2069 {
2070 me_threshold = atoi(arg);
2071 }
2072
2073 static void opt_verbose(const char *arg)
2074 {
2075 verbose = atoi(arg);
2076 av_log_level = atoi(arg);
2077 }
2078
2079 static void opt_frame_rate(const char *arg)
2080 {
2081 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2082 fprintf(stderr, "Incorrect frame rate\n");
2083 exit(1);
2084 }
2085 }
2086
2087 static void opt_frame_crop_top(const char *arg)
2088 {
2089 frame_topBand = atoi(arg);
2090 if (frame_topBand < 0) {
2091 fprintf(stderr, "Incorrect top crop size\n");
2092 exit(1);
2093 }
2094 if ((frame_topBand % 2) != 0) {
2095 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2096 exit(1);
2097 }
2098 if ((frame_topBand) >= frame_height){
2099 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2100 exit(1);
2101 }
2102 frame_height -= frame_topBand;
2103 }
2104
2105 static void opt_frame_crop_bottom(const char *arg)
2106 {
2107 frame_bottomBand = atoi(arg);
2108 if (frame_bottomBand < 0) {
2109 fprintf(stderr, "Incorrect bottom crop size\n");
2110 exit(1);
2111 }
2112 if ((frame_bottomBand % 2) != 0) {
2113 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2114 exit(1);
2115 }
2116 if ((frame_bottomBand) >= frame_height){
2117 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2118 exit(1);
2119 }
2120 frame_height -= frame_bottomBand;
2121 }
2122
2123 static void opt_frame_crop_left(const char *arg)
2124 {
2125 frame_leftBand = atoi(arg);
2126 if (frame_leftBand < 0) {
2127 fprintf(stderr, "Incorrect left crop size\n");
2128 exit(1);
2129 }
2130 if ((frame_leftBand % 2) != 0) {
2131 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2132 exit(1);
2133 }
2134 if ((frame_leftBand) >= frame_width){
2135 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2136 exit(1);
2137 }
2138 frame_width -= frame_leftBand;
2139 }
2140
2141 static void opt_frame_crop_right(const char *arg)
2142 {
2143 frame_rightBand = atoi(arg);
2144 if (frame_rightBand < 0) {
2145 fprintf(stderr, "Incorrect right crop size\n");
2146 exit(1);
2147 }
2148 if ((frame_rightBand % 2) != 0) {
2149 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2150 exit(1);
2151 }
2152 if ((frame_rightBand) >= frame_width){
2153 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2154 exit(1);
2155 }
2156 frame_width -= frame_rightBand;
2157 }
2158
2159 static void opt_frame_size(const char *arg)
2160 {
2161 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2162 fprintf(stderr, "Incorrect frame size\n");
2163 exit(1);
2164 }
2165 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2166 fprintf(stderr, "Frame size must be a multiple of 2\n");
2167 exit(1);
2168 }
2169 }
2170
2171
2172 #define SCALEBITS 10
2173 #define ONE_HALF (1 << (SCALEBITS - 1))
2174 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2175
2176 #define RGB_TO_Y(r, g, b) \
2177 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2178 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2179
2180 #define RGB_TO_U(r1, g1, b1, shift)\
2181 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2182 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2183
2184 #define RGB_TO_V(r1, g1, b1, shift)\
2185 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2186 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2187
2188 static void opt_pad_color(const char *arg) {
2189 /* Input is expected to be six hex digits similar to
2190 how colors are expressed in html tags (but without the #) */
2191 int rgb = strtol(arg, NULL, 16);
2192 int r,g,b;
2193
2194 r = (rgb >> 16);
2195 g = ((rgb >> 8) & 255);
2196 b = (rgb & 255);
2197
2198 padcolor[0] = RGB_TO_Y(r,g,b);
2199 padcolor[1] = RGB_TO_U(r,g,b,0);
2200 padcolor[2] = RGB_TO_V(r,g,b,0);
2201 }
2202
2203 static void opt_frame_pad_top(const char *arg)
2204 {
2205 frame_padtop = atoi(arg);
2206 if (frame_padtop < 0) {
2207 fprintf(stderr, "Incorrect top pad size\n");
2208 exit(1);
2209 }
2210 if ((frame_padtop % 2) != 0) {
2211 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2212 exit(1);
2213 }
2214 }
2215
2216 static void opt_frame_pad_bottom(const char *arg)
2217 {
2218 frame_padbottom = atoi(arg);
2219 if (frame_padbottom < 0) {
2220 fprintf(stderr, "Incorrect bottom pad size\n");
2221 exit(1);
2222 }
2223 if ((frame_padbottom % 2) != 0) {
2224 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2225 exit(1);
2226 }
2227 }
2228
2229
2230 static void opt_frame_pad_left(const char *arg)
2231 {
2232 frame_padleft = atoi(arg);
2233 if (frame_padleft < 0) {
2234 fprintf(stderr, "Incorrect left pad size\n");
2235 exit(1);
2236 }
2237 if ((frame_padleft % 2) != 0) {
2238 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2239 exit(1);
2240 }
2241 }
2242
2243
2244 static void opt_frame_pad_right(const char *arg)
2245 {
2246 frame_padright = atoi(arg);
2247 if (frame_padright < 0) {
2248 fprintf(stderr, "Incorrect right pad size\n");
2249 exit(1);
2250 }
2251 if ((frame_padright % 2) != 0) {
2252 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2253 exit(1);
2254 }
2255 }
2256
2257
2258 static void opt_frame_pix_fmt(const char *arg)
2259 {
2260 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2261 }
2262
2263 static void opt_frame_aspect_ratio(const char *arg)
2264 {
2265 int x = 0, y = 0;
2266 double ar = 0;
2267 const char *p;
2268
2269 p = strchr(arg, ':');
2270 if (p) {
2271 x = strtol(arg, (char **)&arg, 10);
2272 if (arg == p)
2273 y = strtol(arg+1, (char **)&arg, 10);
2274 if (x > 0 && y > 0)
2275 ar = (double)x / (double)y;
2276 } else
2277 ar = strtod(arg, (char **)&arg);
2278
2279 if (!ar) {
2280 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2281 exit(1);
2282 }
2283 frame_aspect_ratio = ar;
2284 }
2285
2286 static void opt_qscale(const char *arg)
2287 {
2288 video_qscale = atof(arg);
2289 if (video_qscale <= 0 ||
2290 video_qscale > 255) {
2291 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2292 exit(1);
2293 }
2294 }
2295
2296 static void opt_qdiff(const char *arg)
2297 {
2298 video_qdiff = atoi(arg);
2299 if (video_qdiff < 0 ||
2300 video_qdiff > 31) {
2301 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2302 exit(1);
2303 }
2304 }
2305
2306 static void opt_strict(const char *arg)
2307 {
2308 strict= atoi(arg);
2309 }
2310
2311 static void opt_top_field_first(const char *arg)
2312 {
2313 top_field_first= atoi(arg);
2314 }
2315
2316 static void opt_thread_count(const char *arg)
2317 {
2318 thread_count= atoi(arg);
2319 #if !defined(HAVE_THREADS)
2320 if (verbose >= 0)
2321 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2322 #endif
2323 }
2324
2325 static void opt_audio_rate(const char *arg)
2326 {
2327 audio_sample_rate = atoi(arg);
2328 }
2329
2330 static void opt_audio_channels(const char *arg)
2331 {
2332 audio_channels = atoi(arg);
2333 }
2334
2335 static void opt_video_channel(const char *arg)
2336 {
2337 video_channel = strtol(arg, NULL, 0);
2338 }
2339
2340 static void opt_video_standard(const char *arg)
2341 {
2342 video_standard = av_strdup(arg);
2343 }
2344
2345 static void opt_codec(int *pstream_copy, int *pcodec_id,
2346 int codec_type, const char *arg)
2347 {
2348 AVCodec *p;
2349
2350 if (!strcmp(arg, "copy")) {
2351 *pstream_copy = 1;
2352 } else {
2353 p = first_avcodec;
2354 while (p) {
2355 if (!strcmp(p->name, arg) && p->type == codec_type)
2356 break;
2357 p = p->next;
2358 }
2359 if (p == NULL) {
2360 fprintf(stderr, "Unknown codec '%s'\n", arg);
2361 exit(1);
2362 } else {
2363 *pcodec_id = p->id;
2364 }
2365 }
2366 }
2367
2368 static void opt_audio_codec(const char *arg)
2369 {
2370 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2371 }
2372
2373 static void opt_audio_tag(const char *arg)
2374 {
2375 char *tail;
2376 audio_codec_tag= strtol(arg, &tail, 0);
2377
2378 if(!tail || *tail)
2379 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2380 }
2381
2382 static void opt_video_tag(const char *arg)
2383 {
2384 char *tail;
2385 video_codec_tag= strtol(arg, &tail, 0);
2386
2387 if(!tail || *tail)
2388 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2389 }
2390
2391 static void add_frame_hooker(const char *arg)
2392 {
2393 int argc = 0;
2394 char *argv[64];
2395 int i;
2396 char *args = av_strdup(arg);
2397
2398 using_vhook = 1;
2399
2400 argv[0] = strtok(args, " ");
2401 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2402 }
2403
2404 i = frame_hook_add(argc, argv);
2405
2406 if (i != 0) {
2407 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2408 exit(1);
2409 }
2410 }
2411
2412 const char *motion_str[] = {
2413 "zero",
2414 "full",
2415 "log",
2416 "phods",
2417 "epzs",
2418 "x1",
2419 "hex",
2420 "umh",
2421 "iter",
2422 NULL,
2423 };
2424
2425 static void opt_motion_estimation(const char *arg)
2426 {
2427 const char **p;
2428 p = motion_str;
2429 for(;;) {
2430 if (!*p) {
2431 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2432 exit(1);
2433 }
2434 if (!strcmp(*p, arg))
2435 break;
2436 p++;
2437 }
2438 me_method = (p - motion_str) + 1;
2439 }
2440
2441 static void opt_video_codec(const char *arg)
2442 {
2443 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2444 }
2445
2446 static void opt_subtitle_codec(const char *arg)
2447 {
2448 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2449 }
2450
2451 static void opt_map(const char *arg)
2452 {
2453 AVStreamMap *m;
2454 const char *p;
2455
2456 p = arg;
2457 m = &stream_maps[nb_stream_maps++];
2458
2459 m->file_index = strtol(arg, (char **)&p, 0);
2460 if (*p)
2461 p++;
2462
2463 m->stream_index = strtol(p, (char **)&p, 0);
2464 if (*p) {
2465 p++;
2466 m->sync_file_index = strtol(p, (char **)&p, 0);
2467 if (*p)
2468 p++;
2469 m->sync_stream_index = strtol(p, (char **)&p, 0);
2470 } else {
2471 m->sync_file_index = m->file_index;
2472 m->sync_stream_index = m->stream_index;
2473 }
2474 }
2475
2476 static void opt_map_meta_data(const char *arg)
2477 {
2478 AVMetaDataMap *m;
2479 const char *p;
2480
2481 p = arg;
2482 m = &meta_data_maps[nb_meta_data_maps++];
2483
2484 m->out_file = strtol(arg, (char **)&p, 0);
2485 if (*p)
2486 p++;
2487
2488 m->in_file = strtol(p, (char **)&p, 0);
2489 }
2490
2491 static void opt_recording_time(const char *arg)
2492 {
2493 recording_time = parse_date(arg, 1);
2494 }
2495
2496 static void opt_start_time(const char *arg)
2497 {
2498 start_time = parse_date(arg, 1);
2499 }
2500
2501 static void opt_rec_timestamp(const char *arg)
2502 {
2503 rec_timestamp = parse_date(arg, 0) / 1000000;
2504 }
2505
2506 static void opt_input_ts_offset(const char *arg)
2507 {
2508 input_ts_offset = parse_date(arg, 1);
2509 }
2510
2511 static void opt_input_file(const char *filename)
2512 {
2513 AVFormatContext *ic;
2514 AVFormatParameters params, *ap = &params;
2515 int err, i, ret, rfps, rfps_base;
2516 int64_t timestamp;
2517
2518 if (!strcmp(filename, "-"))
2519 filename = "pipe:";
2520
2521 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2522 !strcmp( filename, "/dev/stdin" );
2523
2524 /* get default parameters from command line */
2525 ic = av_alloc_format_context();
2526
2527 memset(ap, 0, sizeof(*ap));
2528 ap->prealloced_context = 1;
2529 ap->sample_rate = audio_sample_rate;
2530 ap->channels = audio_channels;
2531 ap->time_base.den = frame_rate;
2532 ap->time_base.num = frame_rate_base;
2533 ap->width = frame_width + frame_padleft + frame_padright;
2534 ap->height = frame_height + frame_padtop + frame_padbottom;
2535 ap->pix_fmt = frame_pix_fmt;
2536 ap->channel = video_channel;
2537 ap->standard = video_standard;
2538 ap->video_codec_id = video_codec_id;
2539 ap->audio_codec_id = audio_codec_id;
2540 if(pgmyuv_compatibility_hack)
2541 ap->video_codec_id= CODEC_ID_PGMYUV;
2542
2543 for(i=0; i<opt_name_count; i++){
2544 const AVOption *opt;
2545 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2546 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2547 av_set_double(ic, opt_names[i], d);
2548 }
2549 /* open the input file with generic libav function */
2550 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2551 if (err < 0) {
2552 print_error(filename, err);
2553 exit(1);
2554 }
2555
2556 ic->loop_input = loop_input;
2557
2558 /* If not enough info to get the stream parameters, we decode the
2559 first frames to get it. (used in mpeg case for example) */
2560 ret = av_find_stream_info(ic);
2561 if (ret < 0 && verbose >= 0) {
2562 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2563 exit(1);
2564 }
2565
2566 timestamp = start_time;
2567 /* add the stream start time */
2568 if (ic->start_time != AV_NOPTS_VALUE)
2569 timestamp += ic->start_time;
2570
2571 /* if seeking requested, we execute it */
2572 if (start_time != 0) {
2573 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2574 if (ret < 0) {
2575 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2576 filename, (double)timestamp / AV_TIME_BASE);
2577 }
2578 /* reset seek info */
2579 start_time = 0;
2580 }
2581
2582 /* update the current parameters so that they match the one of the input stream */
2583 for(i=0;i<ic->nb_streams;i++) {
2584 int j;
2585 AVCodecContext *enc = ic->streams[i]->codec;
2586 #if defined(HAVE_THREADS)
2587 if(thread_count>1)
2588 avcodec_thread_init(enc, thread_count);
2589 #endif
2590 enc->thread_count= thread_count;
2591 switch(enc->codec_type) {
2592 case CODEC_TYPE_AUDIO:
2593 for(j=0; j<opt_name_count; j++){
2594 const AVOption *opt;
2595 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2596 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2597 av_set_double(enc, opt_names[j], d);
2598 }
2599 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2600 audio_channels = enc->channels;
2601 audio_sample_rate = enc->sample_rate;
2602 if(audio_disable)
2603 ic->streams[i]->discard= AVDISCARD_ALL;
2604 break;
2605 case CODEC_TYPE_VIDEO:
2606 for(j=0; j<opt_name_count; j++){
2607 const AVOption *opt;
2608 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2609 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2610 av_set_double(enc, opt_names[j], d);
2611 }
2612 frame_height = enc->height;
2613 frame_width = enc->width;
2614 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2615 frame_pix_fmt = enc->pix_fmt;
2616 rfps = ic->streams[i]->r_frame_rate.num;
2617 rfps_base = ic->streams[i]->r_frame_rate.den;
2618 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2619 if(me_threshold)
2620 enc->debug |= FF_DEBUG_MV;
2621
2622 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2623
2624 if (verbose >= 0)
2625 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2626 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2627
2628 (float)rfps / rfps_base, rfps, rfps_base);
2629 }
2630 /* update the current frame rate to match the stream frame rate */
2631 frame_rate = rfps;
2632 frame_rate_base = rfps_base;
2633
2634 enc->rate_emu = rate_emu;
2635 if(video_disable)
2636 ic->streams[i]->discard= AVDISCARD_ALL;
2637 else if(video_discard)
2638 ic->streams[i]->discard= video_discard;
2639 break;
2640 case CODEC_TYPE_DATA:
2641 break;
2642 case CODEC_TYPE_SUBTITLE:
2643 break;
2644 case CODEC_TYPE_UNKNOWN:
2645 break;
2646 default:
2647 av_abort();
2648 }
2649 }
2650
2651 input_files[nb_input_files] = ic;
2652 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2653 /* dump the file content */
2654 if (verbose >= 0)
2655 dump_format(ic, nb_input_files, filename, 0);
2656
2657 nb_input_files++;
2658 file_iformat = NULL;
2659 file_oformat = NULL;
2660
2661 video_channel = 0;
2662
2663 rate_emu = 0;
2664 }
2665
2666 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2667 {
2668 int has_video, has_audio, i, j;
2669 AVFormatContext *ic;
2670
2671 has_video = 0;
2672 has_audio = 0;
2673 for(j=0;j<nb_input_files;j++) {
2674 ic = input_files[j];
2675 for(i=0;i<ic->nb_streams;i++) {
2676 AVCodecContext *enc = ic->streams[i]->codec;
2677 switch(enc->codec_type) {
2678 case CODEC_TYPE_AUDIO:
2679 has_audio = 1;
2680 break;
2681 case CODEC_TYPE_VIDEO:
2682 has_video = 1;
2683 break;
2684 case CODEC_TYPE_DATA:
2685 case CODEC_TYPE_UNKNOWN:
2686 case CODEC_TYPE_SUBTITLE:
2687 break;
2688 default:
2689 av_abort();
2690 }
2691 }
2692 }
2693 *has_video_ptr = has_video;
2694 *has_audio_ptr = has_audio;
2695 }
2696
2697 static void new_video_stream(AVFormatContext *oc)
2698 {
2699 AVStream *st;
2700 AVCodecContext *video_enc;
2701 int codec_id;
2702
2703 st = av_new_stream(oc, oc->nb_streams);
2704 if (!st) {
2705 fprintf(stderr, "Could not alloc stream\n");
2706 exit(1);
2707 }
2708 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2709 video_bitstream_filters= NULL;
2710
2711 #if defined(HAVE_THREADS)
2712 if(thread_count>1)
2713 avcodec_thread_init(st->codec, thread_count);
2714 #endif
2715
2716 video_enc = st->codec;
2717
2718 if(video_codec_tag)
2719 video_enc->codec_tag= video_codec_tag;
2720
2721 if( (video_global_header&1)
2722 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2723 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2724 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2725 }
2726 if(video_global_header&2){
2727 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2728 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2729 }
2730
2731 if (video_stream_copy) {
2732 st->stream_copy = 1;
2733 video_enc->codec_type = CODEC_TYPE_VIDEO;
2734 } else {
2735 char *p;
2736 int i;
2737 AVCodec *codec;
2738
2739 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2740 if (video_codec_id != CODEC_ID_NONE)
2741 codec_id = video_codec_id;
2742
2743 video_enc->codec_id = codec_id;
2744 codec = avcodec_find_encoder(codec_id);
2745
2746 for(i=0; i<opt_name_count; i++){
2747 const AVOption *opt;
2748 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2749 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2750 av_set_double(video_enc, opt_names[i], d);
2751 }
2752
2753 video_enc->time_base.den = frame_rate;
2754 video_enc->time_base.num = frame_rate_base;
2755 if(codec && codec->supported_framerates){
2756 const AVRational *p= codec->supported_framerates;
2757 AVRational req= (AVRational){frame_rate, frame_rate_base};
2758 const AVRational *best=NULL;
2759 AVRational best_error= (AVRational){INT_MAX, 1};
2760 for(; p->den!=0; p++){
2761 AVRational error= av_sub_q(req, *p);
2762 if(error.num <0) error.num *= -1;
2763 if(av_cmp_q(error, best_error) < 0){
2764 best_error= error;
2765 best= p;
2766 }
2767 }
2768 video_enc->time_base.den= best->num;
2769 video_enc->time_base.num= best->den;
2770 }
2771
2772 video_enc->width = frame_width + frame_padright + frame_padleft;
2773 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2774 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2775 video_enc->pix_fmt = frame_pix_fmt;
2776
2777 if(codec && codec->pix_fmts){
2778 const enum PixelFormat *p= codec->pix_fmts;
2779 for(; *p!=-1; p++){
2780 if(*p == video_enc->pix_fmt)
2781 break;
2782 }
2783 if(*p == -1)
2784 video_enc->pix_fmt = codec->pix_fmts[0];
2785 }
2786
2787 if (intra_only)
2788 video_enc->gop_size = 0;
2789 if (video_qscale || same_quality) {
2790 video_enc->flags |= CODEC_FLAG_QSCALE;
2791 video_enc->global_quality=
2792 st->quality = FF_QP2LAMBDA * video_qscale;
2793 }
2794
2795 if(intra_matrix)
2796 video_enc->intra_matrix = intra_matrix;
2797 if(inter_matrix)
2798 video_enc->inter_matrix = inter_matrix;
2799
2800 video_enc->max_qdiff = video_qdiff;
2801 video_enc->rc_eq = video_rc_eq;
2802 video_enc->thread_count = thread_count;
2803 p= video_rc_override_string;
2804 for(i=0; p; i++){
2805 int start, end, q;
2806 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2807 if(e!=3){
2808 fprintf(stderr, "error parsing rc_override\n");
2809 exit(1);
2810 }
2811 video_enc->rc_override=
2812 av_realloc(video_enc->rc_override,
2813 sizeof(RcOverride)*(i+1));
2814 video_enc->rc_override[i].start_frame= start;
2815 video_enc->rc_override[i].end_frame = end;
2816 if(q>0){
2817 video_enc->rc_override[i].qscale= q;
2818 video_enc->rc_override[i].quality_factor= 1.0;
2819 }
2820 else{
2821 video_enc->rc_override[i].qscale= 0;
2822 video_enc->rc_override[i].quality_factor= -q/100.0;
2823 }
2824 p= strchr(p, '/');
2825 if(p) p++;
2826 }
2827 video_enc->rc_override_count=i;
2828 if (!video_enc->rc_initial_buffer_occupancy)
2829 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2830 video_enc->me_threshold= me_threshold;
2831 video_enc->intra_dc_precision= intra_dc_precision - 8;
2832 video_enc->strict_std_compliance = strict;
2833
2834 if (do_psnr)
2835 video_enc->flags|= CODEC_FLAG_PSNR;
2836
2837 video_enc->me_method = me_method;
2838
2839 /* two pass mode */
2840 if (do_pass) {
2841 if (do_pass == 1) {
2842 video_enc->flags |= CODEC_FLAG_PASS1;
2843 } else {
2844 video_enc->flags |= CODEC_FLAG_PASS2;
2845 }
2846 }
2847 }
2848
2849 /* reset some key parameters */
2850 video_disable = 0;
2851 video_codec_id = CODEC_ID_NONE;
2852 video_stream_copy = 0;
2853 }
2854
2855 static void new_audio_stream(AVFormatContext *oc)
2856 {
2857 AVStream *st;
2858 AVCodecContext *audio_enc;
2859 int codec_id, i;
2860
2861 st = av_new_stream(oc, oc->nb_streams);
2862 if (!st) {
2863 fprintf(stderr, "Could not alloc stream\n");
2864 exit(1);
2865 }
2866
2867 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2868 audio_bitstream_filters= NULL;
2869
2870 #if defined(HAVE_THREADS)
2871 if(thread_count>1)
2872 avcodec_thread_init(st->codec, thread_count);
2873 #endif
2874
2875 audio_enc = st->codec;
2876 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2877 audio_enc->strict_std_compliance = strict;
2878
2879 if(audio_codec_tag)
2880 audio_enc->codec_tag= audio_codec_tag;
2881
2882 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2883 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2884 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2885 }
2886 if (audio_stream_copy) {
2887 st->stream_copy = 1;
2888 audio_enc->channels = audio_channels;
2889 } else {
2890 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2891
2892 for(i=0; i<opt_name_count; i++){
2893 const AVOption *opt;
2894 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2895 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2896 av_set_double(audio_enc, opt_names[i], d);
2897 }
2898
2899 if (audio_codec_id != CODEC_ID_NONE)
2900 codec_id = audio_codec_id;
2901 audio_enc->codec_id = codec_id;
2902
2903 if (audio_qscale > QSCALE_NONE) {
2904 audio_enc->flags |= CODEC_FLAG_QSCALE;
2905 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2906 }
2907 audio_enc->thread_count = thread_count;
2908 audio_enc->channels = audio_channels;
2909 }
2910 audio_enc->sample_rate = audio_sample_rate;
2911 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2912 if (audio_language) {
2913 pstrcpy(st->language, sizeof(st->language), audio_language);
2914 av_free(audio_language);
2915 audio_language = NULL;
2916 }
2917
2918 /* reset some key parameters */
2919 audio_disable = 0;
2920 audio_codec_id = CODEC_ID_NONE;
2921 audio_stream_copy = 0;
2922 }
2923
2924 static void opt_new_subtitle_stream(void)
2925 {
2926 AVFormatContext *oc;
2927 AVStream *st;
2928 AVCodecContext *subtitle_enc;
2929 int i;
2930
2931 if (nb_output_files <= 0) {
2932 fprintf(stderr, "At least one output file must be specified\n");
2933 exit(1);
2934 }
2935 oc = output_files[nb_output_files - 1];
2936
2937 st = av_new_stream(oc, oc->nb_streams);
2938 if (!st) {
2939 fprintf(stderr, "Could not alloc stream\n");
2940 exit(1);
2941 }
2942
2943 subtitle_enc = st->codec;
2944 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2945 if (subtitle_stream_copy) {
2946 st->stream_copy = 1;
2947 } else {
2948 for(i=0; i<opt_name_count; i++){
2949 const AVOption *opt;
2950 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2951 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2952 av_set_double(subtitle_enc, opt_names[i], d);
2953 }
2954 subtitle_enc->codec_id = subtitle_codec_id;
2955 }
2956
2957 if (subtitle_language) {
2958 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2959 av_free(subtitle_language);
2960 subtitle_language = NULL;
2961 }
2962
2963 subtitle_codec_id = CODEC_ID_NONE;
2964 subtitle_stream_copy = 0;
2965 }
2966
2967 static void opt_new_audio_stream(void)
2968 {
2969 AVFormatContext *oc;
2970 if (nb_output_files <= 0) {
2971 fprintf(stderr, "At least one output file must be specified\n");
2972 exit(1);
2973 }
2974 oc = output_files[nb_output_files - 1];
2975 new_audio_stream(oc);
2976 }
2977
2978 static void opt_new_video_stream(void)
2979 {
2980 AVFormatContext *oc;
2981 if (nb_output_files <= 0) {
2982 fprintf(stderr, "At least one output file must be specified\n");
2983 exit(1);
2984 }
2985 oc = output_files[nb_output_files - 1];
2986 new_video_stream(oc);
2987 }
2988
2989 static void opt_output_file(const char *filename)
2990 {
2991 AVFormatContext *oc;
2992 int use_video, use_audio, input_has_video, input_has_audio, i;
2993 AVFormatParameters params, *ap = &params;
2994
2995 if (!strcmp(filename, "-"))
2996 filename = "pipe:";
2997
2998 oc = av_alloc_format_context();
2999
3000 if (!file_oformat) {
3001 file_oformat = guess_format(NULL, filename, NULL);
3002 if (!file_oformat) {
3003 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3004 filename);
3005 exit(1);
3006 }
3007 }
3008
3009 oc->oformat = file_oformat;
3010 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3011
3012 if (!strcmp(file_oformat->name, "ffm") &&
3013 strstart(filename, "http:", NULL)) {
3014 /* special case for files sent to ffserver: we get the stream
3015 parameters from ffserver */
3016 if (read_ffserver_streams(oc, filename) < 0) {
3017 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3018 exit(1);
3019 }
3020 } else {
3021 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3022 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3023
3024 /* disable if no corresponding type found and at least one
3025 input file */
3026 if (nb_input_files > 0) {
3027 check_audio_video_inputs(&input_has_video, &input_has_audio);
3028 if (!input_has_video)
3029 use_video = 0;
3030 if (!input_has_audio)
3031 use_audio = 0;
3032 }
3033
3034 /* manual disable */
3035 if (audio_disable) {
3036 use_audio = 0;
3037 }
3038 if (video_disable) {
3039 use_video = 0;
3040 }
3041
3042 if (use_video) {
3043 new_video_stream(oc);
3044 }
3045
3046 if (use_audio) {
3047 new_audio_stream(oc);
3048 }
3049
3050 oc->timestamp = rec_timestamp;
3051
3052 if (str_title)
3053 pstrcpy(oc->title, sizeof(oc->title), str_title);
3054 if (str_author)
3055 pstrcpy(oc->author, sizeof(oc->author), str_author);
3056 if (str_copyright)
3057 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3058 if (str_comment)
3059 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3060 if (str_album)
3061 pstrcpy(oc->album, sizeof(oc->album), str_album);
3062 }
3063
3064 output_files[nb_output_files++] = oc;
3065
3066 /* check filename in case of an image number is expected */
3067 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3068 if (!av_filename_number_test(oc->filename)) {
3069 print_error(oc->filename, AVERROR_NUMEXPECTED);
3070 exit(1);
3071 }
3072 }
3073
3074 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3075 /* test if it already exists to avoid loosing precious files */
3076 if (!file_overwrite &&
3077 (strchr(filename, ':') == NULL ||
3078 strstart(filename, "file:", NULL))) {
3079 if (url_exist(filename)) {
3080 int c;
3081
3082 if ( !using_stdin ) {
3083 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3084 fflush(stderr);
3085 c = getchar();
3086 if (toupper(c) != 'Y') {
3087 fprintf(stderr, "Not overwriting - exiting\n");
3088 exit(1);
3089 }
3090 }
3091 else {
3092 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3093 exit(1);
3094 }
3095 }
3096 }
3097
3098 /* open the file */
3099 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3100 fprintf(stderr, "Could not open '%s'\n", filename);
3101 exit(1);
3102 }
3103 }
3104
3105 memset(ap, 0, sizeof(*ap));
3106 if (av_set_parameters(oc, ap) < 0) {
3107 fprintf(stderr, "%s: Invalid encoding parameters\n",
3108 oc->filename);
3109 exit(1);
3110 }
3111
3112 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3113 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3114 oc->loop_output = loop_output;
3115
3116 for(i=0; i<opt_name_count; i++){
3117 const AVOption *opt;
3118 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3119 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3120 av_set_double(oc, opt_names[i], d);
3121 }
3122
3123 /* reset some options */
3124 file_oformat = NULL;
3125 file_iformat = NULL;
3126 }
3127
3128 /* same option as mencoder */
3129 static void opt_pass(const char *pass_str)
3130 {
3131 int pass;
3132 pass = atoi(pass_str);
3133 if (pass != 1 && pass != 2) {
3134 fprintf(stderr, "pass number can be only 1 or 2\n");
3135 exit(1);
3136 }
3137 do_pass = pass;
3138 }
3139
3140 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3141 static int64_t getutime(void)
3142 {
3143 return av_gettime();
3144 }
3145 #else
3146 static int64_t getutime(void)
3147 {
3148 struct rusage rusage;
3149
3150 getrusage(RUSAGE_SELF, &rusage);
3151 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3152 }
3153 #endif
3154
3155 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3156 extern int ffm_nopts;
3157 #endif
3158
3159 static void show_formats(void)
3160 {
3161 AVInputFormat *ifmt;
3162 AVOutputFormat *ofmt;
3163 URLProtocol *up;
3164 AVCodec *p, *p2;
3165 const char **pp, *last_name;
3166
3167 printf("File formats:\n");
3168 last_name= "000";
3169 for(;;){
3170 int decode=0;
3171 int encode=0;
3172 const char *name=NULL;
3173 const char *long_name=NULL;
3174
3175 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3176 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3177 strcmp(ofmt->name, last_name)>0){
3178 name= ofmt->name;
3179 long_name= ofmt->long_name;
3180 encode=1;
3181 }
3182 }
3183 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3184 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3185 strcmp(ifmt->name, last_name)>0){
3186 name= ifmt->name;
3187 long_name= ifmt->long_name;
3188 encode=0;
3189 }
3190 if(name && strcmp(ifmt->name, name)==0)
3191 decode=1;
3192 }
3193 if(name==NULL)
3194 break;
3195 last_name= name;
3196
3197 printf(
3198 " %s%s %-15s %s\n",
3199 decode ? "D":" ",
3200 encode ? "E":" ",
3201 name,
3202 long_name ? long_name:" ");
3203 }
3204 printf("\n");
3205
3206 printf("Codecs:\n");
3207 last_name= "000";
3208 for(;;){
3209 int decode=0;
3210 int encode=0;
3211 int cap=0;
3212 const char *type_str;
3213
3214 p2=NULL;
3215 for(p = first_avcodec; p != NULL; p = p->next) {
3216 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3217 strcmp(p->name, last_name)>0){
3218 p2= p;
3219 decode= encode= cap=0;
3220 }
3221 if(p2 && strcmp(p->name, p2->name)==0){
3222 if(p->decode) decode=1;
3223 if(p->encode) encode=1;
3224 cap |= p->capabilities;
3225 }
3226 }
3227 if(p2==NULL)
3228 break;
3229 last_name= p2->name;
3230
3231 switch(p2->type) {
3232 case CODEC_TYPE_VIDEO:
3233 type_str = "V";
3234 break;
3235 case CODEC_TYPE_AUDIO:
3236 type_str = "A";
3237 break;
3238 case CODEC_TYPE_SUBTITLE:
3239 type_str = "S";
3240 break;
3241 default:
3242 type_str = "?";
3243 break;
3244 }
3245 printf(
3246 " %s%s%s%s%s%s %s",
3247 decode ? "D": (/*p2->decoder ? "d":*/" "),
3248 encode ? "E":" ",
3249 type_str,
3250 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3251 cap & CODEC_CAP_DR1 ? "D":" ",
3252 cap & CODEC_CAP_TRUNCATED ? "T":" ",