aboutsummaryrefslogtreecommitdiffhomepage
path: root/dec_video.c
blob: 39c4925988f90be7fe8332fa608a3b22d64ef38e (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

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

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

extern int verbose; // defined in mplayer.c
extern int divx_quality;

extern double video_time_usage;
extern double vout_time_usage;

extern int frameratecode2framerate[16];

#include "linux/timer.h"
#include "linux/shmem.h"

#include "stream.h"
#include "demuxer.h"
#include "parse_es.h"

#include "wine/mmreg.h"
#include "wine/avifmt.h"
#include "wine/vfw.h"

#include "codec-cfg.h"
#include "stheader.h"

//#include <inttypes.h>
//#include "libvo/img_format.h"

#ifdef USE_LIBVO2
#include "libvo2/libvo2.h"
#else
#include "libvo/video_out.h"
#endif

#include "libmpeg2/mpeg2.h"
#include "libmpeg2/mpeg2_internal.h"

extern picture_t *picture;	// exported from libmpeg2/decode.c

extern int init_video_codec(sh_video_t *sh_video,int ex);

#ifdef USE_DIRECTSHOW
#include "loader/DirectShow/DS_VideoDec.h"
#endif

#ifdef USE_LIBAVCODEC
#include "libavcodec/avcodec.h"
    AVCodec *lavc_codec=NULL;
    AVCodecContext lavc_context;
    AVPicture lavc_picture;
#endif

#ifndef NEW_DECORE
#include "opendivx/decore.h"
#else
#include <decore.h>
#endif

//**************************************************************************//
//             The OpenDivX stuff:
//**************************************************************************//

#ifndef NEW_DECORE

static unsigned char *opendivx_src[3];
static int opendivx_stride[3];

// callback, the opendivx decoder calls this for each frame:
void convert_linux(unsigned char *puc_y, int stride_y,
	unsigned char *puc_u, unsigned char *puc_v, int stride_uv,
	unsigned char *bmp, int width_y, int height_y){

//    printf("convert_yuv called  %dx%d  stride: %d,%d\n",width_y,height_y,stride_y,stride_uv);

    opendivx_src[0]=puc_y;
    opendivx_src[1]=puc_u;
    opendivx_src[2]=puc_v;
    
    opendivx_stride[0]=stride_y;
    opendivx_stride[1]=stride_uv;
    opendivx_stride[2]=stride_uv;
}
#endif

int get_video_quality_max(sh_video_t *sh_video){
 switch(sh_video->codec->driver){
#ifdef USE_DIRECTSHOW
  case VFM_DSHOW:
      return 4;
#endif
#ifdef MPEG12_POSTPROC
  case VFM_MPEG:
#endif
  case VFM_DIVX4:
  case VFM_ODIVX:
      return 6;
 }
 return 0;
}

void set_video_quality(sh_video_t *sh_video,int quality){
 switch(sh_video->codec->driver){
#ifdef USE_DIRECTSHOW
  case VFM_DSHOW: {
   if(quality<0 || quality>4) quality=4;
   DS_SetValue_DivX("Quality",quality);
  }
  break;
#endif
#ifdef MPEG12_POSTPROC
  case VFM_MPEG: {
   if(quality<0 || quality>6) quality=6;
   picture->pp_options=(1<<quality)-1;
  }
  break;
#endif
  case VFM_DIVX4:
  case VFM_ODIVX: {
   DEC_SET dec_set;
   if(quality<0 || quality>6) quality=6;
   dec_set.postproc_level=(1<<quality)-1;
   decore(0x123,DEC_OPT_SETPP,&dec_set,NULL);
  }
  break;
 }
}

int set_video_colors(sh_video_t *sh_video,char *item,int value){
#ifdef USE_DIRECTSHOW
    if(!strcmp(sh_video->codec->name,"divxds")){
	DS_SetValue_DivX(item,value);
	return 1;
    }
#endif
    return 0;
}

int uninit_video(sh_video_t *sh_video){
    if(!sh_video->inited) return;
    printf("uninit video: %d  \n",sh_video->codec->driver);
    switch(sh_video->codec->driver){
#ifdef USE_LIBAVCODEC
    case VFM_FFMPEG:
        if (avcodec_close(&lavc_context) < 0)
    	    mp_msg(MSGT_DECVIDEO,MSGL_ERR, "could not close codec\n");
	break;
#endif
#ifdef USE_DIRECTSHOW
    case VFM_DSHOW: // Win32/DirectShow
	DS_VideoDecoder_Close();
	break;
#endif
    case VFM_MPEG:
	mpeg2_free_image_buffers (picture);
	break;
    }
    if(sh_video->our_out_buffer){
	free(sh_video->our_out_buffer);
	sh_video->our_out_buffer=NULL;
    }
    sh_video->inited=0;
}

int init_video(sh_video_t *sh_video){
unsigned int out_fmt=sh_video->codec->outfmt[sh_video->outfmtidx];

sh_video->our_out_buffer=NULL;

switch(sh_video->codec->driver){
#ifdef USE_WIN32DLL
 case VFM_VFW: {
   if(!init_video_codec(sh_video,0)) {
//     GUI_MSG( mplUnknowError )
      return 0;
   }  
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n");
   break;
 }
 case VFM_VFWEX: {
   if(!init_video_codec(sh_video,1)) {
//     GUI_MSG( mplUnknowError )
      return 0;
   }  
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32Ex video codec init OK!\n");
   break;
 }
 case VFM_DSHOW: { // Win32/DirectShow
#ifndef USE_DIRECTSHOW
   mp_msg(MSGT_DECVIDEO,MSGL_ERR,"MPlayer was compiled WITHOUT directshow support!\n");
   return 0;
//   GUI_MSG( mplCompileWithoutDSSupport )
#else
   int bpp;
   if(DS_VideoDecoder_Open(sh_video->codec->dll,&sh_video->codec->guid, sh_video->bih, 0, &sh_video->our_out_buffer)){
//   if(DS_VideoDecoder_Open(sh_video->codec->dll,&sh_video->codec->guid, sh_video->bih, 0, NULL)){
        mp_msg(MSGT_DECVIDEO,MSGL_ERR,"ERROR: Couldn't open required DirectShow codec: %s\n",sh_video->codec->dll);
        mp_msg(MSGT_DECVIDEO,MSGL_HINT,"Maybe you forget to upgrade your win32 codecs?? It's time to download the new\n");
        mp_msg(MSGT_DECVIDEO,MSGL_HINT,"package from:  ftp://mplayerhq.hu/MPlayer/releases/w32codec.zip  !\n");
//        mp_msg(MSGT_DECVIDEO,MSGL_HINT,"Or you should disable DShow support: make distclean;make -f Makefile.No-DS\n");
      return 0;
//        #ifdef HAVE_GUI
//         if ( !nogui )
//          {
//           strcpy(  mplShMem->items.videodata.codecdll,sh_video->codec->dll );
//           mplSendMessage( mplDSCodecNotFound );
//           usec_sleep( 10000 );
//          }
//        #endif
   }
   
   switch(out_fmt){
   case IMGFMT_YUY2:
   case IMGFMT_UYVY:
     bpp=16;
     DS_VideoDecoder_SetDestFmt(16,out_fmt);break;        // packed YUV
   case IMGFMT_YV12:
   case IMGFMT_I420:
   case IMGFMT_IYUV:
     bpp=12;
     DS_VideoDecoder_SetDestFmt(12,out_fmt);break;        // planar YUV
   default:
     bpp=((out_fmt&255)+7)&(~7);
     DS_VideoDecoder_SetDestFmt(out_fmt&255,0);           // RGB/BGR
   }

   sh_video->our_out_buffer = memalign(64,sh_video->disp_w*sh_video->disp_h*bpp/8); // FIXME!!!

   DS_VideoDecoder_Start();

   DS_SetAttr_DivX("Quality",divx_quality);
//   printf("DivX setting result = %d\n", DS_SetAttr_DivX("Quality",divx_quality) );
//   printf("DivX setting result = %d\n", DS_SetValue_DivX("Brightness",60) );
   
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/DShow video codec init OK!\n");
   break;
#endif
 }
#else	/* !USE_WIN32DLL */
 case VFM_VFW:
 case VFM_DSHOW:
 case VFM_VFWEX:
   mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Support for win32 codecs disabled, or unavailable on non-x86 platforms!\n");
   return 0;
#endif	/* !USE_WIN32DLL */
 case VFM_ODIVX: {  // OpenDivX
   mp_msg(MSGT_DECVIDEO,MSGL_V,"OpenDivX video codec\n");
   { DEC_PARAM dec_param;
     DEC_SET dec_set;
        memset(&dec_param,0,sizeof(dec_param));
#ifdef NEW_DECORE
        dec_param.output_format=DEC_USER;
#else
        dec_param.color_depth = 32;
#endif
	dec_param.x_dim = sh_video->bih->biWidth;
	dec_param.y_dim = sh_video->bih->biHeight;
	decore(0x123, DEC_OPT_INIT, &dec_param, NULL);
	dec_set.postproc_level = divx_quality;
	decore(0x123, DEC_OPT_SETPP, &dec_set, NULL);
   }
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: OpenDivX video codec init OK!\n");
   break;
 }
 case VFM_DIVX4: {  // DivX4Linux
#ifndef NEW_DECORE
   mp_msg(MSGT_DECVIDEO,MSGL_ERR,"MPlayer was compiled WITHOUT DivX4Linux (libdivxdecore.so) support!\n");
   return 0;
#else
   mp_msg(MSGT_DECVIDEO,MSGL_V,"DivX4Linux video codec\n");
   { DEC_PARAM dec_param;
     DEC_SET dec_set;
     int bits=16;
        memset(&dec_param,0,sizeof(dec_param));
	switch(out_fmt){
	case IMGFMT_YV12: dec_param.output_format=DEC_YV12;bits=12;break;
	case IMGFMT_YUY2: dec_param.output_format=DEC_YUY2;break;
	case IMGFMT_UYVY: dec_param.output_format=DEC_UYVY;break;
	case IMGFMT_I420: dec_param.output_format=DEC_420;bits=12;break;
	case IMGFMT_BGR15: dec_param.output_format=DEC_RGB555_INV;break;
	case IMGFMT_BGR16: dec_param.output_format=DEC_RGB565_INV;break;
	case IMGFMT_BGR24: dec_param.output_format=DEC_RGB24_INV;bits=24;break;
	case IMGFMT_BGR32: dec_param.output_format=DEC_RGB32_INV;bits=32;break;
	default:
	  mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Unsupported out_fmt: 0x%X\n",out_fmt);
	  return 0;
	}
	dec_param.x_dim = sh_video->bih->biWidth;
	dec_param.y_dim = sh_video->bih->biHeight;
	decore(0x123, DEC_OPT_INIT, &dec_param, NULL);
	dec_set.postproc_level = divx_quality;
	decore(0x123, DEC_OPT_SETPP, &dec_set, NULL);
	sh_video->our_out_buffer = memalign(64,((bits*dec_param.x_dim+7)/8)*dec_param.y_dim);
//	sh_video->our_out_buffer = shmem_alloc(dec_param.x_dim*dec_param.y_dim*5);
   }
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: OpenDivX video codec init OK!\n");
   break;
#endif
 }
 case VFM_FFMPEG: {  // FFmpeg's libavcodec
#ifndef USE_LIBAVCODEC
   mp_msg(MSGT_DECVIDEO,MSGL_ERR,"MPlayer was compiled WITHOUT libavcodec support!\n");
   return 0;
#else
   static int avcodec_inited=0;
   mp_msg(MSGT_DECVIDEO,MSGL_V,"FFmpeg's libavcodec video codec\n");
    if(!avcodec_inited){
      avcodec_init();
      avcodec_register_all();
      avcodec_inited=1;
    }
    lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh_video->codec->dll);
    if(!lavc_codec){
	mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Can't find codec '%s' in libavcodec...\n",sh_video->codec->dll);
	return 0;
    }
    memset(&lavc_context, 0, sizeof(lavc_context));
//    sh_video->disp_h/=2; // !!
    lavc_context.width=sh_video->disp_w;
    lavc_context.height=sh_video->disp_h;
    mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"libavcodec.size: %d x %d\n",lavc_context.width,lavc_context.height);
    /* open it */
    if (avcodec_open(&lavc_context, lavc_codec) < 0) {
        mp_msg(MSGT_DECVIDEO,MSGL_ERR, "could not open codec\n");
        return 0;
    }
   
   mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: libavcodec init OK!\n");
   break;
#endif
 }

 case VFM_MPEG: {
   // init libmpeg2:
#ifdef MPEG12_POSTPROC
   picture->pp_options=divx_quality;
#else
   if(divx_quality){
       mp_msg(MSGT_DECVIDEO,MSGL_HINT,"WARNING! You requested image postprocessing for an MPEG 1/2 video,\n");
       mp_msg(MSGT_DECVIDEO,MSGL_HINT,"         but compiled MPlayer without MPEG 1/2 postprocessing support!\n");
       mp_msg(MSGT_DECVIDEO,MSGL_HINT,"         #define MPEG12_POSTPROC in config.h, and recompile libmpeg2!\n");
   }
#endif
   mpeg2_allocate_image_buffers (picture);
   break;
 }
 case VFM_RAW: {
   break;
 }
}
  sh_video->inited=1;
  return 1;
}

#ifdef USE_LIBVO2
int decode_video(vo2_handle_t *video_out,sh_video_t *sh_video,unsigned char *start,int in_size,int drop_frame){
#else
int decode_video(vo_functions_t *video_out,sh_video_t *sh_video,unsigned char *start,int in_size,int drop_frame){
#endif
unsigned int out_fmt=sh_video->codec->outfmt[sh_video->outfmtidx];
int planar=(out_fmt==IMGFMT_YV12||out_fmt==IMGFMT_IYUV||out_fmt==IMGFMT_I420);
int blit_frame=0;

uint8_t* planes_[3];
uint8_t** planes=planes_;
int stride_[3];
int* stride=stride_;

unsigned int t=GetTimer();
unsigned int t2;

  //--------------------  Decode a frame: -----------------------
switch(sh_video->codec->driver){
  case VFM_ODIVX: {
    // OpenDivX
    DEC_FRAME dec_frame;
#ifdef NEW_DECORE
    DEC_PICTURE dec_pic;
#endif
    // let's decode
        dec_frame.length = in_size;
	dec_frame.bitstream = start;
	dec_frame.render_flag = drop_frame?0:1;

#ifdef NEW_DECORE
        dec_frame.bmp=&dec_pic;
        dec_pic.y=dec_pic.u=dec_pic.v=NULL;
	decore(0x123, (sh_video->format==mmioFOURCC('D','I','V','3'))?DEC_OPT_FRAME_311:DEC_OPT_FRAME, &dec_frame, NULL);
#else
        opendivx_src[0]=NULL;
	decore(0x123, 0, &dec_frame, NULL);
#endif
  
      if(!drop_frame)

    // let's display
#ifdef NEW_DECORE
      if(dec_pic.y){
        planes[0]=dec_pic.y;
        planes[1]=dec_pic.u;
        planes[2]=dec_pic.v;
        stride[0]=dec_pic.stride_y;
        stride[1]=stride[2]=dec_pic.stride_uv;
        blit_frame=2;
      }
#else
      if(opendivx_src[0]){
        planes=opendivx_src; stride=opendivx_stride;
        blit_frame=2;
      }
#endif

    break;
  }
#ifdef NEW_DECORE
  case VFM_DIVX4: {
    // DivX4Linux
    DEC_FRAME dec_frame;
    // let's decode
        dec_frame.length = in_size;
	dec_frame.bitstream = start;
	dec_frame.render_flag = drop_frame?0:1;
        dec_frame.bmp=sh_video->our_out_buffer;
        dec_frame.stride=sh_video->disp_w;
//	printf("Decoding DivX4 frame\n");
	decore(0x123, (sh_video->format==mmioFOURCC('D','I','V','3'))?DEC_OPT_FRAME_311:DEC_OPT_FRAME, &dec_frame, NULL);
    if(!drop_frame) blit_frame=3;
    break;
  }
#endif
#ifdef USE_DIRECTSHOW
  case VFM_DSHOW: {        // W32/DirectShow
    if(drop_frame<2) DS_VideoDecoder_DecodeFrame(start, in_size, 0, !drop_frame);
    if(!drop_frame && sh_video->our_out_buffer) blit_frame=3;
    break;
  }
#endif
#ifdef USE_LIBAVCODEC
  case VFM_FFMPEG: {        // libavcodec
    int got_picture=0;
    mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"Calling ffmpeg...\n");
    if(drop_frame<2 && in_size>0){
        int ret = avcodec_decode_video(&lavc_context, &lavc_picture,
	     &got_picture, start, in_size);
if(verbose>1){
     unsigned char *x="???";
     switch(lavc_context.pix_fmt){
     case PIX_FMT_YUV420P: x="YUV420P";break;
     case PIX_FMT_YUV422: x="YUV422";break;
     case PIX_FMT_RGB24: x="RGB24";break;
     case PIX_FMT_BGR24: x="BGR24";break;
#ifdef PIX_FMT_YUV422P
     case PIX_FMT_YUV422P: x="YUV422P";break;
     case PIX_FMT_YUV444P: x="YUV444P";break;
#endif
     }
     mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"DONE -> got_picture=%d  format=0x%X (%s) \n",got_picture,
	lavc_context.pix_fmt,x);
}
	if(ret<0) mp_msg(MSGT_DECVIDEO,MSGL_WARN, "Error while decoding frame!\n");
	if(!drop_frame && got_picture){
//	if(!drop_frame){
	  if(planar){
	    planes=lavc_picture.data;
	    stride=lavc_picture.linesize;
	    //stride[1]=stride[2]=0;
	    //stride[0]/=2;
            blit_frame=2;
	  } else {
	    int y;
	    // temporary hack - FIXME
	    if(!sh_video->our_out_buffer)
		sh_video->our_out_buffer = memalign(64,sh_video->disp_w*sh_video->disp_h*2);
	    for(y=0;y<sh_video->disp_h;y++){
	      unsigned char *s0=lavc_picture.data[0]+lavc_picture.linesize[0]*y;
	      unsigned char *s1=lavc_picture.data[1]+lavc_picture.linesize[1]*y;
	      unsigned char *s2=lavc_picture.data[2]+lavc_picture.linesize[2]*y;
	      unsigned char *d=sh_video->our_out_buffer+y*2*sh_video->disp_w;
	      int x;
	      for(x=0;x<sh_video->disp_w/2;x++){
	          d[4*x+0]=s0[2*x+0];
	          d[4*x+1]=s1[x];
	          d[4*x+2]=s0[2*x+1];
	          d[4*x+3]=s2[x];
	      }
	    }
            blit_frame=3;
	  }

	}
    }
    break;
  }
#endif
#ifdef USE_WIN32DLL
  case VFM_VFWEX:
  case VFM_VFW:
  {
    HRESULT ret;
    
    if(!in_size) break;
    
      sh_video->bih->biSizeImage = in_size;

//      sh_video->bih->biWidth = 1280;
//      sh_video->o_bih.biWidth = 1280;
	    //      ret = ICDecompress(avi_header.hic, ICDECOMPRESS_NOTKEYFRAME|(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL), 

if(sh_video->codec->driver==VFM_VFWEX)
      ret = ICDecompressEx(sh_video->hic, 
	  ( (sh_video->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
	  ( (drop_frame==2 && !(sh_video->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ) , 
                         sh_video->bih,   start,
                        &sh_video->o_bih,
                        drop_frame ? 0 : sh_video->our_out_buffer);
else
      ret = ICDecompress(sh_video->hic, 
	  ( (sh_video->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
	  ( (drop_frame==2 && !(sh_video->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ) , 
                         sh_video->bih,   start,
                        &sh_video->o_bih,
                        drop_frame ? 0 : sh_video->our_out_buffer);

      if(ret){ mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error decompressing frame, err=%d\n",(int)ret);break; }

    if(!drop_frame) blit_frame=3;
    break;
  }
#endif
  case VFM_MPEG:
    mpeg2_decode_data(video_out, start, start+in_size,drop_frame);
    if(!drop_frame) blit_frame=1;
    break;
  case VFM_RAW:
    planes[0]=start;
    blit_frame=2;
    break;
} // switch
//------------------------ frame decoded. --------------------

#ifdef HAVE_MMX
	// some codecs is broken, and doesn't restore MMX state :(
	// it happens usually with broken/damaged files.
	__asm __volatile ("emms;":::"memory");
#endif

t2=GetTimer();t=t2-t;video_time_usage+=t*0.000001f;

switch(blit_frame){
case 3:
      if(planar){
        stride[0]=sh_video->disp_w;
        stride[1]=stride[2]=sh_video->disp_w/2;
        planes[0]=sh_video->our_out_buffer;
        planes[2]=planes[0]+sh_video->disp_w*sh_video->disp_h;
        planes[1]=planes[2]+sh_video->disp_w*sh_video->disp_h/4;
      } else
        planes[0]=sh_video->our_out_buffer;
case 2:
#ifdef USE_LIBVO2
    if(planar)
        vo2_draw_slice(video_out,planes,stride,sh_video->disp_w,sh_video->disp_h,0,0);
    else
        vo2_draw_frame(video_out,planes[0],sh_video->disp_w,sh_video->disp_w,sh_video->disp_h);
#else
    if(planar)
        video_out->draw_slice(planes,stride,sh_video->disp_w,sh_video->disp_h,0,0);
    else
        video_out->draw_frame(planes);
#endif
    t2=GetTimer()-t2;vout_time_usage+=t2*0.000001f;
    blit_frame=1;
    break;
}

  return blit_frame;
}


int video_read_properties(sh_video_t *sh_video){
demux_stream_t *d_video=sh_video->ds;

// Determine image properties:
switch(d_video->demuxer->file_format){
 case DEMUXER_TYPE_AVI:
 case DEMUXER_TYPE_ASF: {
  // display info:
    sh_video->format=sh_video->bih->biCompression;
    sh_video->disp_w=sh_video->bih->biWidth;
    sh_video->disp_h=abs(sh_video->bih->biHeight);
  break;
 }
 case DEMUXER_TYPE_MPEG_ES:
 case DEMUXER_TYPE_MPEG_PS: {
   // Find sequence_header first:
   videobuf_len=0; videobuf_code_len=0;
   mp_msg(MSGT_DECVIDEO,MSGL_V,"Searching for sequence header... ");fflush(stdout);
   while(1){
      int i=sync_video_packet(d_video);
      if(i==0x1B3) break; // found it!
      if(!i || !skip_video_packet(d_video)){
        if(verbose)  mp_msg(MSGT_DECVIDEO,MSGL_V,"NONE :(\n");
        mp_msg(MSGT_DECVIDEO,MSGL_ERR,"MPEG: FATAL: EOF while searching for sequence header\n");
	return 0;
//        GUI_MSG( mplMPEGErrorSeqHeaderSearch )
      }
   }
   mp_msg(MSGT_DECVIDEO,MSGL_V,"OK!\n");
//   sh_video=d_video->sh;sh_video->ds=d_video;
   mpeg2_init();
   // ========= Read & process sequence header & extension ============
   if(!videobuffer) videobuffer=memalign(8,VIDEOBUFFER_SIZE);
   if(!videobuffer){ 
     mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Cannot allocate shared memory\n");
     return 0;
//     GUI_MSG( mplErrorShMemAlloc )
   }
   
   if(!read_video_packet(d_video)){ 
     mp_msg(MSGT_DECVIDEO,MSGL_ERR,"FATAL: Cannot read sequence header!\n");
     return 0;
//     GUI_MSG( mplMPEGErrorCannotReadSeqHeader )
   }
   if(header_process_sequence_header (picture, &videobuffer[4])) {
     mp_msg(MSGT_DECVIDEO,MSGL_ERR,"bad sequence header!\n"); 
     return 0;
//     GUI_MSG( mplMPEGErrorBadSeqHeader )
   }
   if(sync_video_packet(d_video)==0x1B5){ // next packet is seq. ext.
//    videobuf_len=0;
    int pos=videobuf_len;
    if(!read_video_packet(d_video)){ 
      mp_msg(MSGT_DECVIDEO,MSGL_ERR,"FATAL: Cannot read sequence header extension!\n");
      return 0;
//      GUI_MSG( mplMPEGErrorCannotReadSeqHeaderExt )
    }
    if(header_process_extension (picture, &videobuffer[pos+4])) {
      mp_msg(MSGT_DECVIDEO,MSGL_ERR,"bad sequence header extension!\n");  
      return 0;
//      GUI_MSG( mplMPEGErrorBadSeqHeaderExt )
    }
   }
   // display info:
   sh_video->format=picture->mpeg1?0x10000001:0x10000002; // mpeg video
   sh_video->fps=frameratecode2framerate[picture->frame_rate_code]*0.0001f;
   if(!sh_video->fps){
//     if(!force_fps){
//       fprintf(stderr,"FPS not specified (or invalid) in the header! Use the -fps option!\n");
//       return 0;
//     }
     sh_video->frametime=0;
   } else {
     sh_video->frametime=10000.0f/(float)frameratecode2framerate[picture->frame_rate_code];
   }
   sh_video->disp_w=picture->display_picture_width;
   sh_video->disp_h=picture->display_picture_height;
   // bitrate:
   if(picture->bitrate!=0x3FFFF) // unspecified/VBR ?
       sh_video->i_bps=1000*picture->bitrate/16;
   // info:
   mp_dbg(MSGT_DECVIDEO,MSGL_DBG2,"mpeg bitrate: %d (%X)\n",picture->bitrate,picture->bitrate);
   mp_msg(MSGT_DECVIDEO,MSGL_INFO,"VIDEO:  %s  %dx%d  (aspect %d)  %4.2f fps  %5.1f kbps (%4.1f kbyte/s)\n",
    picture->mpeg1?"MPEG1":"MPEG2",
    sh_video->disp_w,sh_video->disp_h,
    picture->aspect_ratio_information,
    sh_video->fps,
    picture->bitrate*0.5f,
    picture->bitrate/16.0f );
  break;
 }
} // switch(file_format)

return 1;
}