OBS Crash when pressing "Start Broadcasting"

OBS has encountered an unhandled exception and has terminated. If you are able to
reproduce this crash, please submit this crash report on the forums at
http://www.obsproject.com/ - include the contents of this crash log and the
minidump .dmp file (if available) as well as your regular OBS log files and
a description of what you were doing at the time of the crash.

This crash appears to have occured in the 'c:\program files (x86)\obs\plugins\dshowplugin.dll' module.

**** UNHANDLED EXCEPTION: c0000005
Fault address: 7115C810 (c:\program files (x86)\obs\plugins\dshowplugin.dll)
OBS version: Open Broadcaster Software v0.612b
Windows version: 6.2 (Build 9200)
CPU: AMD A8-5500 APU with Radeon(tm) HD Graphics

Crashing thread stack trace:
Stack    EIP      Arg0     Arg1     Arg2     Arg3     Address
1058F6DC 7115C810 10B90000 00001F00 000001D1 0115FD00 dshowplugin.dll!DeviceSource::Convert422To444+0xc0
1058F6F4 71155412 01FCA055 00000000 012F1A69 00000000 dshowplugin.dll!DeviceSource::Preprocess+0x1b2
1058F734 70D920DB 00000000 00000000 00000000 FF1BF000 obsapi.dll!Scene::Preprocess+0x2b
1058F740 012F1A69 76E7850D 00000000 1058FAA0 77C1BF39 obs.exe!OBS::MainCaptureLoop+0x989
1058FA54 012EFD55 00000000 1058FAA0 77C1BF39 00000000 obs.exe!OBS::MainCaptureThread+0x5
1058FA58 76E7850D 00000000 7D9B5C9D 00000000 00000000 kernel32.dll!0x76e7850d
1058FA64 77C1BF39 012EFD50 00000000 FFFFFFFF 77C91DF7 ntdll.dll!0x77c1bf39
1058FAA8 77C1BF0C 012EFD50 00000000 00000000 00000000 ntdll.dll!0x77c1bf0c

A minidump was saved to C:\Users\Cecil\AppData\Roaming\OBS\crashDumps\OBSCrashDump2014-02-22_1.dmp.
Please include this file when posting a crash report.

List of loaded modules:
Base Address      Module

Latest Log: https://gist.github.com/1ef57946faee21434dc1