aboutsummaryrefslogtreecommitdiffhomepage
path: root/libmpdemux/demux_viv.c
blob: 9e20863f72c0e10075c3ae0d950258c039d745f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
//  VIVO file parser by A'rpi
//  VIVO text header parser and audio support by alex

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h> /* strtok */

#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"

#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "bswap.h"

#ifdef USE_LIBAVCODEC_SO
#include <ffmpeg/avcodec.h>
#elif defined(USE_LIBAVCODEC)
#include "libavcodec/avcodec.h"
#else
#define FF_INPUT_BUFFER_PADDING_SIZE 8
#endif

/* parameters ! */
int vivo_param_version = -1;
char *vivo_param_acodec = NULL;
int vivo_param_abitrate = -1;
int vivo_param_samplerate = -1;
int vivo_param_bytesperblock = -1;
int vivo_param_width = -1;
int vivo_param_height = -1;
int vivo_param_vformat = -1;

/* VIVO audio standards from vivog723.acm:

    G.723:
	FormatTag = 0x111
	Channels = 1 - mono
	SamplesPerSec = 8000 - 8khz
	AvgBytesPerSec = 800
	BlockAlign (bytes per block) = 24
	BitsPerSample = 8

    Siren:
	FormatTag = 0x112
	Channels = 1 - mono
	SamplesPerSec = 16000 - 16khz
	AvgBytesPerSec = 2000
	BlockAlign (bytes per block) = 40
	BitsPerSample = 8
*/

//enum { VIVO_AUDIO_G723, VIVO_AUDIO_SIREN };

#define VIVO_AUDIO_G723 1
#define VIVO_AUDIO_SIREN 2

typedef struct {
    /* generic */
    char	version;
    int		supported;
    /* info */
    char	*title;
    char	*author;
    char	*copyright;
    char	*producer;
    /* video */
    float	fps;
    int		width;
    int		height;
    int		disp_width;
    int		disp_height;
    /* audio */
    int		audio_codec;
    int		audio_bitrate;
    int		audio_samplerate;
    int		audio_bytesperblock;
} vivo_priv_t;

/* parse all possible extra headers */
/* (audio headers are seperate - mostly with recordtype=3 or 4) */
#define TEXTPARSE_ALL 1

static void vivo_parse_text_header(demuxer_t *demux, int header_len)
{
    vivo_priv_t* priv = demux->priv;
    char *buf;
    int i;
    char *token;
    char *opt, *param;
    int parser_in_audio_block = 0;

    if (!demux->priv)
    {
	priv = malloc(sizeof(vivo_priv_t));
	memset(priv, 0, sizeof(vivo_priv_t));
	demux->priv = priv;
	priv->supported = 0;
    }

    buf = malloc(header_len);
    opt = malloc(header_len);
    param = malloc(header_len);
    stream_read(demux->stream, buf, header_len);
    i=0;
    while(i<header_len && buf[i]==0x0D && buf[i+1]==0x0A) i+=2; // skip empty lines
    
    token = strtok(buf, (char *)&("\x0d\x0a"));
    while (token && (header_len>2))
    {
	header_len -= strlen(token)+2;
	if (sscanf(token, "%[^:]:%[^\n]", opt, param) != 2)
	{
	    mp_msg(MSGT_DEMUX, MSGL_V, "viv_text_header_parser: bad line: '%s' at ~%#"PRIx64"\n",
		token, (int64_t)stream_tell(demux->stream));
	    break;
	}
	mp_dbg(MSGT_DEMUX, MSGL_DBG3, "token: '%s' (%d bytes/%d bytes left)\n",
	    token, strlen(token), header_len);
	mp_dbg(MSGT_DEMUX, MSGL_DBG3, "token => o: '%s', p: '%s'\n",
	    opt, param);

	/* checking versions: only v1 or v2 is suitable (or known?:) */
	if (!strcmp(opt, "Version"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "Version: %s\n", param);
	    if (!strncmp(param, "Vivo/1", 6) || !strncmp(param, "Vivo/2", 6))
	    {
		priv->supported = 1;
		/* save major version for fourcc */
		priv->version = param[5];
	    }
	}

	/* video specific */	
	if (!strcmp(opt, "FPS"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "FPS: %f\n", atof(param));
	    priv->fps = atof(param);
	}
	if (!strcmp(opt, "Width"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "Width: %d\n", atoi(param));
	    priv->width = atoi(param);
	}
	if (!strcmp(opt, "Height"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "Height: %d\n", atoi(param));
	    priv->height = atoi(param);
	}
	if (!strcmp(opt, "DisplayWidth"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "Display Width: %d\n", atoi(param));
	    priv->disp_width = atoi(param);
	}
	if (!strcmp(opt, "DisplayHeight"))
	{
	    mp_msg(MSGT_DEMUX, MSGL_DBG2, "Display Height: %d\n", atoi(param));
	    priv->disp_height = atoi(param);
	}

	/* audio specific */
	if (!strcmp(opt, "RecordType"))
	{
	    /* no audio recordblock by Vivo/1.00, 3 and 4 by Vivo/2.00 */
	    if ((atoi(param) == 3) || (atoi(param) == 4))
		parser_in_audio_block = 1;
	    else
		parser_in_audio_block = 0;
	}
	if (!strcmp(opt, "NominalBitrate"))
	{
	    priv->audio_bitrate = atoi(param);
	    if (priv->audio_bitrate == 2000)
		priv->audio_codec = VIVO_AUDIO_SIREN;
	    if (priv->audio_bitrate == 800)
		priv->audio_codec = VIVO_AUDIO_G723;
	}
	if (!strcmp(opt, "SamplingFrequency"))
	{
	    priv->audio_samplerate = atoi(param);
	    if (priv->audio_samplerate == 16000)
		priv->audio_codec = VIVO_AUDIO_SIREN;
	    if (priv->audio_samplerate == 8000)
		priv->audio_codec = VIVO_AUDIO_G723;
	}
	if (!strcmp(opt, "Length") && (parser_in_audio_block == 1))
	{
	    priv->audio_bytesperblock = atoi(param); /* 24 or 40 kbps */
	    if (priv->audio_bytesperblock == 40)
		priv->audio_codec = VIVO_AUDIO_SIREN;
	    if (priv->audio_bytesperblock == 24)
		priv->audio_codec = VIVO_AUDIO_G723;
	}
	
	/* only for displaying some informations about movie*/
	if (!strcmp(opt, "Title"))
	{
	    demux_info_add(demux, "name", param);
	    priv->title = strdup(param);
	}
	if (!strcmp(opt, "Author"))
	{
	    demux_info_add(demux, "author", param);
	    priv->author = strdup(param);
	}
	if (!strcmp(opt, "Copyright"))
	{
	    demux_info_add(demux, "copyright", param);
	    priv->copyright = strdup(param);
	}
	if (!strcmp(opt, "Producer"))
	{
	    demux_info_add(demux, "encoder", param);
	    priv->producer = strdup(param);
	}

	/* get next token */
	token = strtok(NULL, (char *)&("\x0d\x0a"));
    }
    
    if (buf)
	free(buf);
    if (opt)
	free(opt);
    if (param)
	free(param);
}

static int vivo_check_file(demuxer_t* demuxer){
    int i=0;
    int len;
    int c;
    unsigned char buf[2048+256];
    vivo_priv_t* priv;
    int orig_pos = stream_tell(demuxer->stream);
    
    mp_msg(MSGT_DEMUX,MSGL_V,"Checking for VIVO\n");
    
    c=stream_read_char(demuxer->stream);
    if(c==-256) return 0;
    len=0;
    while((c=stream_read_char(demuxer->stream))>=0x80){
	len+=0x80*(c-0x80);
	if(len>1024) return 0;
    }
    len+=c;
    mp_msg(MSGT_DEMUX,MSGL_V,"header block 1 size: %d\n",len);
    //stream_skip(demuxer->stream,len);

    priv=malloc(sizeof(vivo_priv_t));
    memset(priv,0,sizeof(vivo_priv_t));
    demuxer->priv=priv;

#if 0
    vivo_parse_text_header(demuxer, len);
    if (priv->supported == 0)
	return 0;
#else
    /* this is enought for check (for now) */
    stream_read(demuxer->stream,buf,len);
    buf[len]=0;
//    printf("VIVO header: '%s'\n",buf);

    // parse header:
    i=0;
    while(i<len && buf[i]==0x0D && buf[i+1]==0x0A) i+=2; // skip empty lines
    if(strncmp(buf+i,"Version:Vivo/",13)) return 0; // bad version/type!
#endif

#if 0
    c=stream_read_char(demuxer->stream);
    if(c) return 0;
    len2=0;
    while((c=stream_read_char(demuxer->stream))>=0x80){
	len2+=0x80*(c-0x80);
	if(len+len2>2048) return 0;
    }
    len2+=c;
    mp_msg(MSGT_DEMUX,MSGL_V,"header block 2 size: %d\n",len2);
    stream_skip(demuxer->stream,len2);
//    stream_read(demuxer->stream,buf+len,len2);
#endif
    
//    c=stream_read_char(demuxer->stream);
//    printf("first packet: %02X\n",c);

    stream_seek(demuxer->stream, orig_pos);

return DEMUXER_TYPE_VIVO;
}

static int audio_pos=0;
static int audio_rate=0;

// return value:
//     0 = EOF or no stream found
//     1 = successfully read a packet
static int demux_vivo_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
  demux_stream_t *ds=NULL;
  int c;
  int len=0;
  int seq;
  int prefix=0;
  demux->filepos=stream_tell(demux->stream);
  
  c=stream_read_char(demux->stream);
  if (c == -256) /* EOF */
    return 0;
//  printf("c=%x,%02X\n",c,c&0xf0);
  if (c == 0x82)
  {
      /* ok, this works, but pts calculating from header is required! */
#warning "Calculate PTS from picture header!"
      prefix = 1;
      c = stream_read_char(demux->stream);
      mp_msg(MSGT_DEMUX, MSGL_V, "packet 0x82(pos=%u) chunk=%x\n",
        (int)stream_tell(demux->stream), c);
  }
  switch(c&0xF0){
  case 0x00: // header - skip it!
  {
      len=stream_read_char(demux->stream);
      if(len>=0x80) len=0x80*(len-0x80)+stream_read_char(demux->stream);
      mp_msg(MSGT_DEMUX, MSGL_V, "vivo extra header: %d bytes\n",len);
#ifdef TEXTPARSE_ALL
{
      int pos;
      /* also try to parse all headers */
      pos = stream_tell(demux->stream);
      vivo_parse_text_header(demux, len);
      stream_seek(demux->stream, pos);
}
#endif
      break;
  }
  case 0x10:  // video packet
      if (prefix == 1)
        len = stream_read_char(demux->stream);
      else
        len=128;
      ds=demux->video;
      break;
  case 0x20:  // video packet
      len=stream_read_char(demux->stream);
      ds=demux->video;
      break;
  case 0x30:  // audio packet
      if (prefix == 1)
        len = stream_read_char(demux->stream);
      else
        len=40;	/* 40kbps */
      ds=demux->audio;
      audio_pos+=len;
      break;
  case 0x40:  // audio packet
      if (prefix == 1)
        len = stream_read_char(demux->stream);
      else
        len=24;	/* 24kbps */
      ds=demux->audio;
      audio_pos+=len;
      break;
  default:
      mp_msg(MSGT_DEMUX,MSGL_WARN,"VIVO - unknown ID found: %02X at pos %"PRIu64" contact author!\n",
        c, (int64_t)stream_tell(demux->stream));
      return 0;
  }

//  printf("chunk=%x, len=%d\n", c, len);
  
  if(!ds || ds->id<-1){
      if(len) stream_skip(demux->stream,len);
      return 1;
  }
  
  seq=c&0x0F;

    if(ds->asf_packet){
      if(ds->asf_seq!=seq){
        // closed segment, finalize packet:
        ds_add_packet(ds,ds->asf_packet);
        ds->asf_packet=NULL;
//	printf("packet!\n");
      } else {
        // append data to it!
        demux_packet_t* dp=ds->asf_packet;
        if(dp->len + len + FF_INPUT_BUFFER_PADDING_SIZE < 0)
	    return 0;
        dp->buffer=realloc(dp->buffer,dp->len+len+FF_INPUT_BUFFER_PADDING_SIZE);
        memset(dp->buffer+dp->len+len, 0, FF_INPUT_BUFFER_PADDING_SIZE);
        //memcpy(dp->buffer+dp->len,data,len);
	stream_read(demux->stream,dp->buffer+dp->len,len);
        mp_dbg(MSGT_DEMUX,MSGL_DBG4,"data appended! %d+%d\n",dp->len,len);
        dp->len+=len;
        // we are ready now.
	if((c&0xF0)==0x20) --ds->asf_seq; // hack!
        return 1;
      }
    }
    // create new packet:
    { demux_packet_t* dp;
      dp=new_demux_packet(len);
      //memcpy(dp->buffer,data,len);
      stream_read(demux->stream,dp->buffer,len);
      dp->pts=audio_rate?((float)audio_pos/(float)audio_rate):0;
//      dp->flags=keyframe;
//      if(ds==demux->video) printf("ASF time: %8d  dur: %5d  \n",time,dur);
      dp->pos=demux->filepos;
      ds->asf_packet=dp;
      ds->asf_seq=seq;
      // we are ready now.
      return 1;
    }

}

static const short h263_format[8][2] = {
    { 0, 0 },
    { 128, 96 },
    { 176, 144 },
    { 352, 288 },
    { 704, 576 },
    { 1408, 1152 },
    { 320, 240 }   // ??????? or 240x180 (found in vivo2) ?
};

static unsigned char* buffer;
static int bufptr=0;
static int bitcnt=0;
static unsigned char buf=0;
static int format, width, height;

static unsigned int x_get_bits(int n){
    unsigned int x=0;
    while(n-->0){
	if(!bitcnt){
	    // fill buff
	    buf=buffer[bufptr++];
	    bitcnt=8;
	}
	//x=(x<<1)|(buf&1);buf>>=1;
	x=(x<<1)|(buf>>7);buf<<=1;
	--bitcnt;
    }
    return x;
}

#define get_bits(xxx,n) x_get_bits(n)
#define get_bits1(xxx) x_get_bits(1)
#define skip_bits(xxx,n) x_get_bits(n)
#define skip_bits1(xxx) x_get_bits(1)

/* most is hardcoded. should extend to handle all h263 streams */
static int h263_decode_picture_header(unsigned char *b_ptr)
{
//    int i;
        
//    for(i=0;i<16;i++) printf(" %02X",b_ptr[i]); printf("\n");
    
    buffer=b_ptr;
    bufptr=bitcnt=buf=0;

    /* picture header */
    if (get_bits(&s->gb, 22) != 0x20){
	mp_msg(MSGT_DEMUX, MSGL_FATAL, "bad picture header\n");
        return -1;
    }
    skip_bits(&s->gb, 8); /* picture timestamp */

    if (get_bits1(&s->gb) != 1){
	mp_msg(MSGT_DEMUX, MSGL_FATAL, "bad marker\n");
        return -1;	/* marker */
    }
    if (get_bits1(&s->gb) != 0){
	mp_msg(MSGT_DEMUX, MSGL_FATAL, "bad h263 id\n");
        return -1;	/* h263 id */
    }
    skip_bits1(&s->gb);	/* split screen off */
    skip_bits1(&s->gb);	/* camera  off */
    skip_bits1(&s->gb);	/* freeze picture release off */

    format = get_bits(&s->gb, 3);

    if (format != 7) {
        mp_msg(MSGT_DEMUX, MSGL_V, "h263_plus = 0  format = %d\n", format);
        /* H.263v1 */
        width = h263_format[format][0];
        height = h263_format[format][1];
	mp_msg(MSGT_DEMUX, MSGL_V, "%d x %d\n", width, height);
//        if (!width) return -1;

	mp_msg(MSGT_DEMUX, MSGL_V, "pict_type=%d\n", get_bits1(&s->gb));
	mp_msg(MSGT_DEMUX, MSGL_V, "unrestricted_mv=%d\n", get_bits1(&s->gb));
#if 1
	mp_msg(MSGT_DEMUX, MSGL_V, "SAC: %d\n", get_bits1(&s->gb));
	mp_msg(MSGT_DEMUX, MSGL_V, "advanced prediction mode: %d\n", get_bits1(&s->gb));
	mp_msg(MSGT_DEMUX, MSGL_V, "PB frame: %d\n", get_bits1(&s->gb));
#else
        if (get_bits1(&s->gb) != 0)
            return -1;	/* SAC: off */
        if (get_bits1(&s->gb) != 0)
            return -1;	/* advanced prediction mode: off */
        if (get_bits1(&s->gb) != 0)
            return -1;	/* not PB frame */
#endif
	mp_msg(MSGT_DEMUX, MSGL_V, "qscale=%d\n", get_bits(&s->gb, 5));
        skip_bits1(&s->gb);	/* Continuous Presence Multipoint mode: off */
    } else {
        mp_msg(MSGT_DEMUX, MSGL_V, "h263_plus = 1\n");
        /* H.263v2 */
        if (get_bits(&s->gb, 3) != 1){
	    mp_msg(MSGT_DEMUX, MSGL_FATAL, "H.263v2 A error\n");
            return -1;
	}
        if (get_bits(&s->gb, 3) != 6){ /* custom source format */
	    mp_msg(MSGT_DEMUX, MSGL_FATAL, "custom source format\n");
            return -1;
	}
        skip_bits(&s->gb, 12);
        skip_bits(&s->gb, 3);
	mp_msg(MSGT_DEMUX, MSGL_V, "pict_type=%d\n", get_bits(&s->gb, 3) + 1);
//        if (s->pict_type != I_TYPE &&
//            s->pict_type != P_TYPE)
//            return -1;
        skip_bits(&s->gb, 7);
        skip_bits(&s->gb, 4); /* aspect ratio */
        width = (get_bits(&s->gb, 9) + 1) * 4;
        skip_bits1(&s->gb);
        height = get_bits(&s->gb, 9) * 4;
	mp_msg(MSGT_DEMUX, MSGL_V, "%d x %d\n", width, height);
        //if (height == 0)
        //    return -1;
	mp_msg(MSGT_DEMUX, MSGL_V, "qscale=%d\n", get_bits(&s->gb, 5));
    }

    /* PEI */
    while (get_bits1(&s->gb) != 0) {
        skip_bits(&s->gb, 8);
    }
//    s->f_code = 1;
//    s->width = width;
//    s->height = height;
    return 0;
}



static demuxer_t* demux_open_vivo(demuxer_t* demuxer){
    vivo_priv_t* priv=demuxer->priv;

  if(!ds_fill_buffer(demuxer->video)){
    mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingVideoStreamBug);
    return NULL;
  }

    audio_pos=0;
  
  h263_decode_picture_header(demuxer->video->buffer);
  
  if (vivo_param_version != -1)
    priv->version = '0' + vivo_param_version;

{		sh_video_t* sh=new_sh_video(demuxer,0);

		/* viv1, viv2 (for better codecs.conf) */    
		sh->format = mmioFOURCC('v', 'i', 'v', priv->version);
		if(!sh->fps)
		{
		    if (priv->fps)
			sh->fps=priv->fps;
		    else
			sh->fps=15.0f;
		}
		sh->frametime=1.0f/sh->fps;

		/* XXX: FIXME: can't scale image. */
		/* hotfix to disable: */
		priv->disp_width = priv->width;
		priv->disp_height = priv->height;

		if (vivo_param_width != -1)
		    priv->disp_width = priv->width = vivo_param_width;

		if (vivo_param_height != -1)
		    priv->disp_height = priv->height = vivo_param_height;
		
		if (vivo_param_vformat != -1)
		{
		    priv->disp_width = priv->width = h263_format[vivo_param_vformat][0];
		    priv->disp_height = priv->height = h263_format[vivo_param_vformat][1];
		}

		if (priv->disp_width)
		    sh->disp_w = priv->disp_width;
		else
		    sh->disp_w = width;
		if (priv->disp_height)
		    sh->disp_h = priv->disp_height;
		else
		    sh->disp_h = height;

		// emulate BITMAPINFOHEADER:
		sh->bih=malloc(sizeof(BITMAPINFOHEADER));
		memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
		sh->bih->biSize=40;
		if (priv->width)
		    sh->bih->biWidth = priv->width;
		else
		    sh->bih->biWidth = width;
		if (priv->height)
		    sh->bih->biHeight = priv->height;
		else
		    sh->bih->biHeight = height;
		sh->bih->biPlanes=1;
		sh->bih->biBitCount=24;
		sh->bih->biCompression=sh->format;
		sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight*3;

		/* insert as stream */
		demuxer->video->sh=sh;
		sh->ds=demuxer->video;
		demuxer->video->id=0;
		
		/* disable seeking */
		demuxer->seekable = 0;

		mp_msg(MSGT_DEMUX,MSGL_V,"VIVO Video stream %d size: display: %dx%d, codec: %ux%u\n",
		    demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
		    sh->bih->biHeight);
}

/* AUDIO init */
if (demuxer->audio->id >= -1){
  if(!ds_fill_buffer(demuxer->audio)){
    mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingAudioStream);
  } else
{		sh_audio_t* sh=new_sh_audio(demuxer,1);

		/* Select audio codec */
		if (priv->audio_codec == 0)
		{
		    if (priv->version == '2')
			priv->audio_codec = VIVO_AUDIO_SIREN;
		    else
			priv->audio_codec = VIVO_AUDIO_G723;
		}
		if (vivo_param_acodec != NULL)
		{
		    if (!strcasecmp(vivo_param_acodec, "g723"))
			priv->audio_codec = VIVO_AUDIO_G723;
		    if (!strcasecmp(vivo_param_acodec, "siren"))
			priv->audio_codec = VIVO_AUDIO_SIREN;
		}

		if (priv->audio_codec == VIVO_AUDIO_G723)
		    sh->format = 0x111;
		else if (priv->audio_codec == VIVO_AUDIO_SIREN)
		    sh->format = 0x112;
		else
		{
		    mp_msg(MSGT_DEMUX, MSGL_ERR, "VIVO: Not support audio codec (%d)\n",
			priv->audio_codec);
		    free_sh_audio(demuxer, 1);
		    goto nosound;
		}

		// Emulate WAVEFORMATEX struct:
		sh->wf=malloc(sizeof(WAVEFORMATEX));
		memset(sh->wf,0,sizeof(WAVEFORMATEX));
		sh->wf->wFormatTag=sh->format;
		sh->wf->nChannels=1; /* 1 channels for both Siren and G.723 */

		/* Set bits per sample */
		if (priv->audio_codec == VIVO_AUDIO_SIREN)
		    sh->wf->wBitsPerSample = 16;
		else
		if (priv->audio_codec == VIVO_AUDIO_G723)
		    sh->wf->wBitsPerSample = 8;

		/* Set sampling rate */
		if (priv->audio_samplerate) /* got from header */
		    sh->wf->nSamplesPerSec = priv->audio_samplerate;
		else
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nSamplesPerSec = 16000;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nSamplesPerSec = 8000;
		}
		if (vivo_param_samplerate != -1)
		    sh->wf->nSamplesPerSec = vivo_param_samplerate;

		/* Set audio bitrate */
		if (priv->audio_bitrate) /* got from header */
		    sh->wf->nAvgBytesPerSec = priv->audio_bitrate;
		else
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nAvgBytesPerSec = 2000;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nAvgBytesPerSec = 800;
		}
		if (vivo_param_abitrate != -1)
		    sh->wf->nAvgBytesPerSec = vivo_param_abitrate;
		audio_rate=sh->wf->nAvgBytesPerSec;

		if (!priv->audio_bytesperblock)
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nBlockAlign = 40;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nBlockAlign = 24;
		}
		else
		    sh->wf->nBlockAlign = priv->audio_bytesperblock;
		if (vivo_param_bytesperblock != -1)
		    sh->wf->nBlockAlign = vivo_param_bytesperblock;
		
/*sound_ok:*/
		/* insert as stream */
		demuxer->audio->sh=sh;
		sh->ds=demuxer->audio;
		demuxer->audio->id=1;
nosound:
		return demuxer;
}
}
    return demuxer;
}

static void demux_close_vivo(demuxer_t *demuxer)
{
    vivo_priv_t* priv=demuxer->priv;
 
    if (priv) {
	if (priv->title)
	    free(priv->title);
        if (priv->author)
	    free(priv->author);
	if (priv->copyright)
	    free(priv->copyright);
	if (priv->producer)
	   free(priv->producer);
	free(priv);
    }
    return;
}


demuxer_desc_t demuxer_desc_vivo = {
  "Vivo demuxer",
  "vivo",
  "VIVO",
  "A'rpi, Alex Beregszasi",
  "",
  DEMUXER_TYPE_VIVO,
  0, // unsafe autodetect
  vivo_check_file,
  demux_vivo_fill_buffer,
  demux_open_vivo,
  demux_close_vivo,
  NULL,
  NULL
};