aboutsummaryrefslogtreecommitdiffstats
path: root/code/client/cl_avi.c
blob: 12cde11910182943a646c623268e792604df14fb (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
/*
===========================================================================
Copyright (C) 2005-2006 Tim Angus

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

#include "client.h"
#include "snd_local.h"

#define INDEX_FILE_EXTENSION ".index.dat"

#define MAX_RIFF_CHUNKS 16

typedef struct audioFormat_s
{
  int rate;
  int format;
  int channels;
  int bits;

  int sampleSize;
  int totalBytes;
} audioFormat_t;

typedef struct aviFileData_s
{
  qboolean      fileOpen;
  fileHandle_t  f;
  char          fileName[ MAX_QPATH ];
  int           fileSize;
  int           moviOffset;
  int           moviSize;

  fileHandle_t  idxF;
  int           numIndices;

  int           frameRate;
  int           framePeriod;
  int           width, height;
  int           numVideoFrames;
  int           maxRecordSize;
  qboolean      motionJpeg;

  qboolean      audio;
  audioFormat_t a;
  int           numAudioFrames;

  int           chunkStack[ MAX_RIFF_CHUNKS ];
  int           chunkStackTop;

  byte          *cBuffer, *eBuffer;
} aviFileData_t;

static aviFileData_t afd;

#define MAX_AVI_BUFFER 2048

static byte buffer[ MAX_AVI_BUFFER ];
static int  bufIndex;

/*
===============
SafeFS_Write
===============
*/
static ID_INLINE void SafeFS_Write( const void *buffer, int len, fileHandle_t f )
{
  if( FS_Write( buffer, len, f ) < len )
    Com_Error( ERR_DROP, "Failed to write avi file\n" );
}

/*
===============
WRITE_STRING
===============
*/
static ID_INLINE void WRITE_STRING( const char *s )
{
  Com_Memcpy( &buffer[ bufIndex ], s, strlen( s ) );
  bufIndex += strlen( s );
}

/*
===============
WRITE_4BYTES
===============
*/
static ID_INLINE void WRITE_4BYTES( int x )
{
  buffer[ bufIndex + 0 ] = (byte)( ( x >>  0 ) & 0xFF );
  buffer[ bufIndex + 1 ] = (byte)( ( x >>  8 ) & 0xFF );
  buffer[ bufIndex + 2 ] = (byte)( ( x >> 16 ) & 0xFF );
  buffer[ bufIndex + 3 ] = (byte)( ( x >> 24 ) & 0xFF );
  bufIndex += 4;
}

/*
===============
WRITE_2BYTES
===============
*/
static ID_INLINE void WRITE_2BYTES( int x )
{
  buffer[ bufIndex + 0 ] = (byte)( ( x >>  0 ) & 0xFF );
  buffer[ bufIndex + 1 ] = (byte)( ( x >>  8 ) & 0xFF );
  bufIndex += 2;
}

/*
===============
WRITE_1BYTES
===============
*/
static ID_INLINE void WRITE_1BYTES( int x )
{
  buffer[ bufIndex ] = x;
  bufIndex += 1;
}

/*
===============
START_CHUNK
===============
*/
static ID_INLINE void START_CHUNK( const char *s )
{
  if( afd.chunkStackTop == MAX_RIFF_CHUNKS )
  {
    Com_Error( ERR_DROP, "ERROR: Top of chunkstack breached\n" );
  }

  afd.chunkStack[ afd.chunkStackTop ] = bufIndex;
  afd.chunkStackTop++;
  WRITE_STRING( s );
  WRITE_4BYTES( 0 );
}

/*
===============
END_CHUNK
===============
*/
static ID_INLINE void END_CHUNK( void )
{
  int endIndex = bufIndex;

  if( afd.chunkStackTop <= 0 )
  {
    Com_Error( ERR_DROP, "ERROR: Bottom of chunkstack breached\n" );
  }

  afd.chunkStackTop--;
  bufIndex = afd.chunkStack[ afd.chunkStackTop ];
  bufIndex += 4;
  WRITE_4BYTES( endIndex - bufIndex - 4 );
  bufIndex = endIndex;
  bufIndex = PAD( bufIndex, 2 );
}

/*
===============
CL_WriteAVIHeader
===============
*/
void CL_WriteAVIHeader( void )
{
  bufIndex = 0;
  afd.chunkStackTop = 0;

  START_CHUNK( "RIFF" );
  {
    WRITE_STRING( "AVI " );
    {
      START_CHUNK( "LIST" );
      {
        WRITE_STRING( "hdrl" );
        WRITE_STRING( "avih" );
        WRITE_4BYTES( 56 );                     //"avih" "chunk" size
        WRITE_4BYTES( afd.framePeriod );        //dwMicroSecPerFrame
        WRITE_4BYTES( afd.maxRecordSize *
            afd.frameRate );                    //dwMaxBytesPerSec
        WRITE_4BYTES( 0 );                      //dwReserved1
        WRITE_4BYTES( 0x110 );                  //dwFlags bits HAS_INDEX and IS_INTERLEAVED
        WRITE_4BYTES( afd.numVideoFrames );     //dwTotalFrames
        WRITE_4BYTES( 0 );                      //dwInitialFrame

        if( afd.audio )                         //dwStreams
          WRITE_4BYTES( 2 );
        else
          WRITE_4BYTES( 1 );

        WRITE_4BYTES( afd.maxRecordSize );      //dwSuggestedBufferSize
        WRITE_4BYTES( afd.width );              //dwWidth
        WRITE_4BYTES( afd.height );             //dwHeight
        WRITE_4BYTES( 0 );                      //dwReserved[ 0 ]
        WRITE_4BYTES( 0 );                      //dwReserved[ 1 ]
        WRITE_4BYTES( 0 );                      //dwReserved[ 2 ]
        WRITE_4BYTES( 0 );                      //dwReserved[ 3 ]

        START_CHUNK( "LIST" );
        {
          WRITE_STRING( "strl" );
          WRITE_STRING( "strh" );
          WRITE_4BYTES( 56 );                   //"strh" "chunk" size
          WRITE_STRING( "vids" );

          if( afd.motionJpeg )
            WRITE_STRING( "MJPG" );
          else
            WRITE_4BYTES( 0 );                  // BI_RGB

          WRITE_4BYTES( 0 );                    //dwFlags
          WRITE_4BYTES( 0 );                    //dwPriority
          WRITE_4BYTES( 0 );                    //dwInitialFrame

          WRITE_4BYTES( 1 );                    //dwTimescale
          WRITE_4BYTES( afd.frameRate );        //dwDataRate
          WRITE_4BYTES( 0 );                    //dwStartTime
          WRITE_4BYTES( afd.numVideoFrames );   //dwDataLength

          WRITE_4BYTES( afd.maxRecordSize );    //dwSuggestedBufferSize
          WRITE_4BYTES( -1 );                   //dwQuality
          WRITE_4BYTES( 0 );                    //dwSampleSize
          WRITE_2BYTES( 0 );                    //rcFrame
          WRITE_2BYTES( 0 );                    //rcFrame
          WRITE_2BYTES( afd.width );            //rcFrame
          WRITE_2BYTES( afd.height );           //rcFrame

          WRITE_STRING( "strf" );
          WRITE_4BYTES( 40 );                   //"strf" "chunk" size
          WRITE_4BYTES( 40 );                   //biSize
          WRITE_4BYTES( afd.width );            //biWidth
          WRITE_4BYTES( afd.height );           //biHeight
          WRITE_2BYTES( 1 );                    //biPlanes
          WRITE_2BYTES( 24 );                   //biBitCount

          if( afd.motionJpeg )                  //biCompression
          {
            WRITE_STRING( "MJPG" );
            WRITE_4BYTES( afd.width *
                afd.height );                   //biSizeImage
          }
          else
          {
            WRITE_4BYTES( 0 );                  // BI_RGB
            WRITE_4BYTES( afd.width *
                afd.height * 3 );               //biSizeImage
          }

          WRITE_4BYTES( 0 );                    //biXPelsPetMeter
          WRITE_4BYTES( 0 );                    //biYPelsPetMeter
          WRITE_4BYTES( 0 );                    //biClrUsed
          WRITE_4BYTES( 0 );                    //biClrImportant
        }
        END_CHUNK( );

        if( afd.audio )
        {
          START_CHUNK( "LIST" );
          {
            WRITE_STRING( "strl" );
            WRITE_STRING( "strh" );
            WRITE_4BYTES( 56 );                 //"strh" "chunk" size
            WRITE_STRING( "auds" );
            WRITE_4BYTES( 0 );                  //FCC
            WRITE_4BYTES( 0 );                  //dwFlags
            WRITE_4BYTES( 0 );                  //dwPriority
            WRITE_4BYTES( 0 );                  //dwInitialFrame

            WRITE_4BYTES( afd.a.sampleSize );   //dwTimescale
            WRITE_4BYTES( afd.a.sampleSize *
                afd.a.rate );                   //dwDataRate
            WRITE_4BYTES( 0 );                  //dwStartTime
            WRITE_4BYTES( afd.a.totalBytes /
                afd.a.sampleSize );             //dwDataLength

            WRITE_4BYTES( 0 );                  //dwSuggestedBufferSize
            WRITE_4BYTES( -1 );                 //dwQuality
            WRITE_4BYTES( afd.a.sampleSize );   //dwSampleSize
            WRITE_2BYTES( 0 );                  //rcFrame
            WRITE_2BYTES( 0 );                  //rcFrame
            WRITE_2BYTES( 0 );                  //rcFrame
            WRITE_2BYTES( 0 );                  //rcFrame

            WRITE_STRING( "strf" );
            WRITE_4BYTES( 18 );                 //"strf" "chunk" size
            WRITE_2BYTES( afd.a.format );       //wFormatTag
            WRITE_2BYTES( afd.a.channels );     //nChannels
            WRITE_4BYTES( afd.a.rate );         //nSamplesPerSec
            WRITE_4BYTES( afd.a.sampleSize *
                afd.a.rate );                   //nAvgBytesPerSec
            WRITE_2BYTES( afd.a.sampleSize );   //nBlockAlign
            WRITE_2BYTES( afd.a.bits );         //wBitsPerSample
            WRITE_2BYTES( 0 );                  //cbSize
          }
          END_CHUNK( );
        }
      }
      END_CHUNK( );

      afd.moviOffset = bufIndex;

      START_CHUNK( "LIST" );
      {
        WRITE_STRING( "movi" );
      }
    }
  }
}

/*
===============
CL_OpenAVIForWriting

Creates an AVI file and gets it into a state where
writing the actual data can begin
===============
*/
qboolean CL_OpenAVIForWriting( const char *fileName )
{
  if( afd.fileOpen )
    return qfalse;

  Com_Memset( &afd, 0, sizeof( aviFileData_t ) );

  // Don't start if a framerate has not been chosen
  if( cl_aviFrameRate->integer <= 0 )
  {
    Com_Printf( S_COLOR_RED "cl_aviFrameRate must be >= 1\n" );
    return qfalse;
  }

  if( ( afd.f = FS_FOpenFileWrite( fileName ) ) <= 0 )
    return qfalse;

  if( ( afd.idxF = FS_FOpenFileWrite(
          va( "%s" INDEX_FILE_EXTENSION, fileName ) ) ) <= 0 )
  {
    FS_FCloseFile( afd.f );
    return qfalse;
  }

  Q_strncpyz( afd.fileName, fileName, MAX_QPATH );

  afd.frameRate = cl_aviFrameRate->integer;
  afd.framePeriod = (int)( 1000000.0f / afd.frameRate );
  afd.width = cls.glconfig.vidWidth;
  afd.height = cls.glconfig.vidHeight;

  if( cl_aviMotionJpeg->integer )
    afd.motionJpeg = qtrue;
  else
    afd.motionJpeg = qfalse;

  afd.cBuffer = Z_Malloc( afd.width * afd.height * 4 );
  afd.eBuffer = Z_Malloc( afd.width * afd.height * 4 );

  afd.a.rate = dma.speed;
  afd.a.format = WAV_FORMAT_PCM;
  afd.a.channels = dma.channels;
  afd.a.bits = dma.samplebits;
  afd.a.sampleSize = ( afd.a.bits / 8 ) * afd.a.channels;

  if( afd.a.rate % afd.frameRate )
  {
    int suggestRate = afd.frameRate;

    while( ( afd.a.rate % suggestRate ) && suggestRate >= 1 )
      suggestRate--;

    Com_Printf( S_COLOR_YELLOW "WARNING: cl_aviFrameRate is not a divisor "
        "of the audio rate, suggest %d\n", suggestRate );
  }

  if( !Cvar_VariableIntegerValue( "s_initsound" ) )
  {
    afd.audio = qfalse;
  }
  else if( Q_stricmp( Cvar_VariableString( "s_backend" ), "OpenAL" ) )
  {
    if( afd.a.bits != 16 || afd.a.channels != 2 )
    {
      Com_Printf( S_COLOR_YELLOW "WARNING: Audio format of %d bit/%d channels not supported",
          afd.a.bits, afd.a.channels );
      afd.audio = qfalse;
    }
    else
      afd.audio = qtrue;
  }
  else
  {
    afd.audio = qfalse;
    Com_Printf( S_COLOR_YELLOW "WARNING: Audio capture is not supported "
        "with OpenAL. Set s_useOpenAL to 0 for audio capture\n" );
  }

  // This doesn't write a real header, but allocates the
  // correct amount of space at the beginning of the file
  CL_WriteAVIHeader( );

  SafeFS_Write( buffer, bufIndex, afd.f );
  afd.fileSize = bufIndex;

  bufIndex = 0;
  START_CHUNK( "idx1" );
  SafeFS_Write( buffer, bufIndex, afd.idxF );

  afd.moviSize = 4; // For the "movi"
  afd.fileOpen = qtrue;

  return qtrue;
}

/*
===============
CL_CheckFileSize
===============
*/
static qboolean CL_CheckFileSize( int bytesToAdd )
{
  unsigned int newFileSize;

  newFileSize =
    afd.fileSize +                // Current file size
    bytesToAdd +                  // What we want to add
    ( afd.numIndices * 16 ) +     // The index
    4;                            // The index size

  // I assume all the operating systems
  // we target can handle a 2Gb file
  if( newFileSize > INT_MAX )
  {
    // Close the current file...
    CL_CloseAVI( );

    // ...And open a new one
    CL_OpenAVIForWriting( va( "%s_", afd.fileName ) );

    return qtrue;
  }

  return qfalse;
}

/*
===============
CL_WriteAVIVideoFrame
===============
*/
void CL_WriteAVIVideoFrame( const byte *imageBuffer, int size )
{
  int   chunkOffset = afd.fileSize - afd.moviOffset - 8;
  int   chunkSize = 8 + size;
  int   paddingSize = PAD( size, 2 ) - size;
  byte  padding[ 4 ] = { 0 };

  if( !afd.fileOpen )
    return;

  // Chunk header + contents + padding
  if( CL_CheckFileSize( 8 + size + 2 ) )
    return;

  bufIndex = 0;
  WRITE_STRING( "00dc" );
  WRITE_4BYTES( size );

  SafeFS_Write( buffer, 8, afd.f );
  SafeFS_Write( imageBuffer, size, afd.f );
  SafeFS_Write( padding, paddingSize, afd.f );
  afd.fileSize += ( chunkSize + paddingSize );

  afd.numVideoFrames++;
  afd.moviSize += ( chunkSize + paddingSize );

  if( size > afd.maxRecordSize )
    afd.maxRecordSize = size;

  // Index
  bufIndex = 0;
  WRITE_STRING( "00dc" );           //dwIdentifier
  WRITE_4BYTES( 0x00000010 );       //dwFlags (all frames are KeyFrames)
  WRITE_4BYTES( chunkOffset );      //dwOffset
  WRITE_4BYTES( size );             //dwLength
  SafeFS_Write( buffer, 16, afd.idxF );

  afd.numIndices++;
}

#define PCM_BUFFER_SIZE 44100

/*
===============
CL_WriteAVIAudioFrame
===============
*/
void CL_WriteAVIAudioFrame( const byte *pcmBuffer, int size )
{
  static byte pcmCaptureBuffer[ PCM_BUFFER_SIZE ] = { 0 };
  static int  bytesInBuffer = 0;

  if( !afd.audio )
    return;

  if( !afd.fileOpen )
    return;

  // Chunk header + contents + padding
  if( CL_CheckFileSize( 8 + bytesInBuffer + size + 2 ) )
    return;

  if( bytesInBuffer + size > PCM_BUFFER_SIZE )
  {
    Com_Printf( S_COLOR_YELLOW
        "WARNING: Audio capture buffer overflow -- truncating\n" );
    size = PCM_BUFFER_SIZE - bytesInBuffer;
  }

  Com_Memcpy( &pcmCaptureBuffer[ bytesInBuffer ], pcmBuffer, size );
  bytesInBuffer += size;

  // Only write if we have a frame's worth of audio
  if( bytesInBuffer >= (int)ceil( (float)afd.a.rate / (float)afd.frameRate ) *
        afd.a.sampleSize )
  {
    int   chunkOffset = afd.fileSize - afd.moviOffset - 8;
    int   chunkSize = 8 + bytesInBuffer;
    int   paddingSize = PAD( bytesInBuffer, 2 ) - bytesInBuffer;
    byte  padding[ 4 ] = { 0 };

    bufIndex = 0;
    WRITE_STRING( "01wb" );
    WRITE_4BYTES( bytesInBuffer );

    SafeFS_Write( buffer, 8, afd.f );
    SafeFS_Write( pcmCaptureBuffer, bytesInBuffer, afd.f );
    SafeFS_Write( padding, paddingSize, afd.f );
    afd.fileSize += ( chunkSize + paddingSize );

    afd.numAudioFrames++;
    afd.moviSize += ( chunkSize + paddingSize );
    afd.a.totalBytes =+ bytesInBuffer;

    // Index
    bufIndex = 0;
    WRITE_STRING( "01wb" );           //dwIdentifier
    WRITE_4BYTES( 0 );                //dwFlags
    WRITE_4BYTES( chunkOffset );      //dwOffset
    WRITE_4BYTES( bytesInBuffer );    //dwLength
    SafeFS_Write( buffer, 16, afd.idxF );

    afd.numIndices++;

    bytesInBuffer = 0;
  }
}

/*
===============
CL_TakeVideoFrame
===============
*/
void CL_TakeVideoFrame( void )
{
  // AVI file isn't open
  if( !afd.fileOpen )
    return;

  re.TakeVideoFrame( afd.width, afd.height,
      afd.cBuffer, afd.eBuffer, afd.motionJpeg );
}

/*
===============
CL_CloseAVI

Closes the AVI file and writes an index chunk
===============
*/
qboolean CL_CloseAVI( void )
{
  int indexRemainder;
  int indexSize = afd.numIndices * 16;
  const char *idxFileName = va( "%s" INDEX_FILE_EXTENSION, afd.fileName );

  // AVI file isn't open
  if( !afd.fileOpen )
    return qfalse;

  afd.fileOpen = qfalse;

  FS_Seek( afd.idxF, 4, FS_SEEK_SET );
  bufIndex = 0;
  WRITE_4BYTES( indexSize );
  SafeFS_Write( buffer, bufIndex, afd.idxF );
  FS_FCloseFile( afd.idxF );

  // Write index

  // Open the temp index file
  if( ( indexSize = FS_FOpenFileRead( idxFileName,
          &afd.idxF, qtrue ) ) <= 0 )
  {
    FS_FCloseFile( afd.f );
    return qfalse;
  }

  indexRemainder = indexSize;

  // Append index to end of avi file
  while( indexRemainder > MAX_AVI_BUFFER )
  {
    FS_Read( buffer, MAX_AVI_BUFFER, afd.idxF );
    SafeFS_Write( buffer, MAX_AVI_BUFFER, afd.f );
    afd.fileSize += MAX_AVI_BUFFER;
    indexRemainder -= MAX_AVI_BUFFER;
  }
  FS_Read( buffer, indexRemainder, afd.idxF );
  SafeFS_Write( buffer, indexRemainder, afd.f );
  afd.fileSize += indexRemainder;
  FS_FCloseFile( afd.idxF );

  // Remove temp index file
  FS_HomeRemove( idxFileName );

  // Write the real header
  FS_Seek( afd.f, 0, FS_SEEK_SET );
  CL_WriteAVIHeader( );

  bufIndex = 4;
  WRITE_4BYTES( afd.fileSize - 8 ); // "RIFF" size

  bufIndex = afd.moviOffset + 4;    // Skip "LIST"
  WRITE_4BYTES( afd.moviSize );

  SafeFS_Write( buffer, bufIndex, afd.f );

  Z_Free( afd.cBuffer );
  Z_Free( afd.eBuffer );
  FS_FCloseFile( afd.f );

  Com_Printf( "Wrote %d:%d frames to %s\n", afd.numVideoFrames, afd.numAudioFrames, afd.fileName );

  return qtrue;
}

/*
===============
CL_VideoRecording
===============
*/
qboolean CL_VideoRecording( void )
{
  return afd.fileOpen;
}