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Vdubmod Strange Error, Bug Report
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discoleo
Posted: Jul 18 2003, 04:59 PM


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Bug Report VirtualDubMod 1.5.1.1a (build 1209/release)


Opening 700 Mb “movie.avi” (actually a nonstandard mpeg2, NERO wuldn't burn a SVCD without recompressing) without problems.

MPEG import filter loads the movie (329570 sectors).

QUOTE

---== Video stream ==---
Source : [Input MPEG file]
Description : MPEG video stream
Length : 00:40:11.120

---== Other stream ==---
Source : [Input MPEG file]
Description : MPEG audio stream (MPEG)
Length : 00:39:53.260


Movie runs OK. But when selecting ‘File Information’, VDM crashes (reproducibly) without the possibility to save the error. MPEG2 window pops up and displays movie details: Video details complete; audio details: Format: 44100 Hz Stereo, # of frames: 91617, total size is empty. blink.gif

The error window pops up, too and states:

An out-of-bounds memory access (access violation) occurred in module ‘VirtualDubMod’.

No further details. Windows ‘Application Error’ pops up (before the possibility to save the previous error):

The instruction at “0x0044e066” referenced memory at “ox501c458f”. The memory could not be “read”.


0044E066 F7 61 04 mul eax,dword ptr [ecx+4]
0044E069 C1 EA 06 shr edx,6
0044E06C 52 push edx
0044E06D 8D 44 24 3C lea eax,[esp+3Ch]
0044E071 68 B4 A8 54 00 push 54A8B4h
0044E076 50 push eax
0044E077 E8 8C 96 0D 00 call 00527708
0044E07C 83 C4 18 add esp,18h
0044E07F 8D 4C 24 2C lea ecx,[esp+2Ch]
0044E083 51 push ecx
0044E084 68 B4 04 00 00 push 4B4h
0044E089 55 push ebp
0044E08A FF D7 call edi
0044E08C 8B 46 44 mov eax,dword ptr [esi+44h]
0044E08F 05 FF 03 00 00 add eax,3FFh
0044E094 99 cdq
0044E095 81 E2 FF 03 00 00 and edx,3FFh
0044E09B 03 C2 add eax,edx
0044E09D C1 F8 0A sar eax,0Ah
0044E0A0 50 push eax
0044E0A1 8D 54 24 30 lea edx,[esp+30h]
0044E0A5 68 AC A8 54 00 push 54A8ACh
0044E0AA 52 push edx
0044E0AB E8 58 96 0D 00 call 00527708



VirtualDub- MPEG2- AC3 1.5.4
(build 16297/release) opens the same movie without problems and when selecting ‘File Information’ doesn’t crash.

Audio details differ from VDM as follows: Format: 44 kHz Stereo 224 kbps layer II, # of frames: 93326, total size: 66662 k. (Video details differ only slightly)
 
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