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Nevcairiel / LAVFilters

LAV Filters - Open-Source DirectShow Media Splitter and Decoders
GNU General Public License v2.0
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Querying available DirectShow Filters with LAVFilters installed causes stack overflow #531

Closed MauricePowell closed 1 year ago

MauricePowell commented 1 year ago

I'm working on a software application that assembles filtergraphs piecemeal by selecting individual filters by GUID/CLSID. With LAVFilters simply installed, it causes this application to be unable to properly create any filtergraph.

On a barebones fresh Windows installation with no other third-party filters except LAVFilters installed, what appears to be the same problem also manifests in that when trying to add a filter via GraphEdt.exe (Ctrl+F), the act of twirling down the pulldown menu for DirectShow Filters causes GraphEdt.exe to crash to desktop with Exception code: 0xc00000fd (as reported by Event Viewer), or in other words a stack overflow.

However, pressing Ctrl+R and opening an HEVC video file in GraphEdt.exe DOES work, and you're able to right-click > Filter Properties... to successfully reveal the LAV Video Decoder Properties window.

Nevcairiel commented 1 year ago

This is a bug in GraphEdit, because it stores filter information on the stack, and runs out of space if a filter supports too many formats. Use GraphStudioNext.