Recover A Crashed File

[leoncheong]

There was a power failure while I was doing a recording with Virtual VCR. As such, the avi file left in the harddisk cannot be read and decode by my player.

does any know if there is any way to recover this file? Thanks!

Leon

[redwudz]

If you can see the file on the drive, try running it through Virtualdub. It can sometimes restore a partial file.

[Soopafresh]

You can try the command line AVImaster app (which is pretty good)

You can also try DivFix

[leoncheong]

If you can see the file on the drive, try running it through Virtualdub. It can sometimes restore a partial file.

Thanks!

VirtualDub says that it is not a valid avi file. I tried to us AVIRepair frin http://www.pk3.org/Astro/index.htm?software_utils.htm and now Virtual reports missing MOVI block.

[leoncheong]

You can try the command line AVImaster app (which is pretty good)

You can also try DivFix

Thanks for your suggestions.

I tried AVIMaster and it returns "Unexpected Token". I then use AVIRepair to fix the avi header and I get

AVIMaster 1.2.1 (c)2004-2005 by thozie productions, Thomas Ziegler, München
Contact and Bug Reports: www.thozie.de/avimaster, avimaster@thozie.de

D:\Videos\Test2.avi 
Reading 'Test2.avi' (1516604928)  
  'RIFF' (5770232) 'AVI ': RIFF AVI Chunk, Segment #1  
    'LIST' (65084) 'hdrl': AVI Header List 
      'avih' (56): AVI Main Header 
        00 microsec/Frame: 40000
        04 Max Bytes/sec: 262283
        08 Padding Granularity: 512
        12 Flags: 0x00000800
          + TrustCKType
        16 Total Frames: 575
        20 Initial Frames: 0
        24 Streams: 2
        28 Suggested Buffer Size: 16189
        32 Height: 288
        36 Width: 352
        -> Length: 0:00:23:00 (25.00 fps, PAL) 
        -> Video Frame Size: CIF, PAL-VCD, -DVD 11:9
      'LIST' (32372) 'strl': AVI Stream List #1 
        'strh' (56): AVI StreamHeader 
          00 Type: 'vids'
          04 Handler: 0x44495658 'XVID'
          08 Flags: 0x00000000
          12 Priority: 0
          14 Language: 0
          16 InitalFrames: 0
          20 Scale: 400000
          24 Rate: 10000000
          28 Start: 2
          32 Length: 574
          44 SampleSize: 0 (Variable)
          48 Frame (l t r b): 0 0 0 0
            *** Warning: AVIMainHeader Width: 352!
            *** Warning: AVIMainHeader Height: 288!
          -> Length: 0:00:22:24 (25.00 fps, PAL) 
        'strf' (40): AVI StreamFormat 
          00 Size: 40
          04 Width: 352
          08 Height: 288
          12 Planes: 1
          14 BitCount: 16
          16 Compression: 0x44495658 'XVID'
          20 SizeImage: 608256
          24 XPelsPerMeter: 0
          28 YPelsPerMeter: 0
          32 ColorsUsed: 0
          36 ColorsImportant: 0
        'indx' (32248): AVI Stream Index 
          00 LongsPerEntry: 4
          02 IndexSubType: 0 Default Frames
          03 IndexType: 0 IndexOfIndexes
          04 EntriesInUse: 1
          08 ChunkId: '00db'
          'indx' Entry #1 16 
            00 Offset: 65536
            08 Size: 32256
              *** Warning: Non-standard Chunk-Index size!
            12 Duration: 574
       (0) 
        *** Warning: Unexpected Token!
[deleted]
     (0) 
      *** Warning: Unexpected Token!
      "............................................00db.>..."
     (0) 
      *** Warning: Unexpected Token!
      "....................................00db.>..........."
     (0) 
      *** Warning: Unexpected Token!
      "............................00db.>..................."
     (0) 
      *** Warning: Unexpected Token!
      "....................00db.>........................g.,"
     (0) 
      *** Warning: Unexpected Token!
      "............00db.>........................g.,..Rc...."
     (0) 
      *** Warning: Unexpected Token!
      "....00db.>........................g.,..Rc....XviD0036"
    *** Error: Chunk size greater File size, File may be truncated!
    *** Error: Token Size greater Chunk Size!
     (1650733104) 
      *** Warning: Unexpected Token!
      *** Error: File ends prematurely!
      ".>........................g.,..Rc....XviD0036.....`o."
    *** Error: Missing 'movi'-Chunk!

Statistics
  ----- AVIStreamHeader #0 'vids'
  *** Error: 'indx'-Entries detected, but no 'ix##'-Entries!
  *** Error: 'indx'-Entries detected, but ODML-Header not found!
  *** Info: Chunks detected, 'Idx1'-Index (KeyFrames) and ODML-Index Entries
    *** 'indx': 1 (DF: 0), 'Idx1': 0 (Key: 0), ODML: 0
  *** Error: Video Frames detected: 0 AVIMainHeader Frames: 575!
  *** Error: Video Frames detected: 0 AVIStreamHeader Length: 574!
  *** Warning: Max Frame Size detected: 0 SuggestedBufferSize: 16189!
  *** Warning: No 'auds'-Stream detected!

Writing 't.avi' 
  'RIFF' (16864) 'AVI ': AVI Main Header Phase 1 
  'LIST' (4) 'movi': (Segment #1) 
  'RIFF' (16864) 'AVI ': AVI Main Header Phase 2 
  'RIFF' (16868) 'AVI ': Segment #1 
  'LIST' (16844) 'hdrl': Segment #1 
  'LIST' (16500) 'strl': Segment #1 
  'vids': Stream #0 
  'indx' (32760): MetaIndex #1 
    00 LongsPerEntry: 4
    02 IndexSubType: 0 Default Frames
    03 IndexType: 0 IndexOfIndexes
    04 EntriesInUse: 0
    08 ChunkId: '00dx'

Total Files processed: 1, Total Size: 1516604928 (1446MB), Elapsed Time [s]: 3.58

I also tried DivFix. On the original file, it complate that it is not a valid avi file. After I patch the header, it read pass the end of file and hang...

Any other suggestions?