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Issue #2357 - WebM w/alpha renders black if WMF decoder is enabled.

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Mozilla forgot to force use of VPXDecoder on Windows in their initial implementation, this is pretty much what they did for Android as well. Straight port of the Firefox 67 fix.

Ref: BZ 1528652
This commit is contained in:
Jeremy Andrews 2023-10-23 22:56:21 -05:00 • committed by roytam1
commit 490df49307
1 changed files with 8 additions and 0 deletions
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8
dom/media/platforms/wmf/WMFDecoderModule.cpp
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@ -83,6 +83,14 @@ WMFDecoderModule::Startup()
already_AddRefed<MediaDataDecoder>
WMFDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
{
// Temporary - forces use of VPXDecoder when alpha is present.
// Bug 1263836 will handle alpha scenario once implemented. It will shift
// the check for alpha to PDMFactory but not itself remove the need for a
// check.
if (aParams.VideoConfig().HasAlpha()) {
return nullptr;
}
nsAutoPtr<WMFVideoMFTManager> manager(
new WMFVideoMFTManager(aParams.VideoConfig(),
aParams.mKnowsCompositor,