Issues with .vgz/.vgm files on GZDoom 4.6.0

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Issues with .vgz/.vgm files on GZDoom 4.6.0

Postby cubebert » Wed Jun 02, 2021 9:48 am

On GZDoom 4.6.0, the Game Music Emu library seems to have trouble with certain Mega Drive music in .vgz/.vgm format. For example, the attached file, which replaces D_RUNNIN with the boss theme from Comix Zone, screeches throughout the entire song in GZDoom 4.6.0. Zandronum and earlier versions of GZDoom play the song as it should.
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Operating System: Windows Vista/7/2008 64-bit
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Re: Issues with .vgz/.vgm files on GZDoom 4.6.0

Postby _mental_ » Thu Jun 03, 2021 1:17 am

It's something wrong with zmusic.dll shipped with GZDoom 4.6.0. Using DLL from 4.5.0 fixes the problem. Same for Release DLL compiled with VS2019 16.10.0 at tag 1.1.8.
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Re: Issues with .vgz/.vgm files on GZDoom 4.6.0

Postby Graf Zahl » Thu Jun 03, 2021 6:58 am

That's odd. None of the code in question has changed so it may be an optimization error.
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Re: Issues with .vgz/.vgm files on GZDoom 4.6.0

Postby cubebert » Thu Jun 03, 2021 9:44 pm

I should've mentioned earlier that not all Mega Drive songs in that format sound weird. The rest of Comix Zone's soundtrack, for instance, seems to play regularly on GZDoom. I could look for other songs in the MD library in order to determine why ZMusic behaves strangely on certain tracks.
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Graphics Processor: nVidia (Modern GZDoom)


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