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Add Hardware Accelerated VP9 Support

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This is Windows 10+ only for now due to a vp9 decoder mft being needed
Fix for older windows is being worked on.
This commit is contained in:
EAZYBLACK 2026-09-13 10:42:24 +03:00
commit 6ad01d940b
9 changed files with 74 additions and 9 deletions
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18
dom/media/platforms/wmf/DXVA2Manager.cpp
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@ -185,6 +185,10 @@ static const GUID DXVA2_Intel_ModeH264_E = {
0x604F8E68, 0x4951, 0x4c54, { 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6 }
};
static const GUID DXVA2_ModeVP9_VLD_Profile0 = {
0x463707f8, 0xa1d0, 0x4585, { 0x87, 0x6d, 0x83, 0xaa, 0x6d, 0x60, 0xb8, 0x9e }
};
// This tests if a DXVA video decoder can be created for the given media type/resolution.
// It uses the same decoder device (DXVA2_ModeH264_E - DXVA2_ModeH264_VLD_NoFGT) as the H264
// decoder MFT provided by windows (CLSID_CMSH264DecoderMFT) uses, so we can use it to determine
@ -388,7 +392,8 @@ D3D9DXVA2Manager::Init(layers::KnowsCompositor* aKnowsCompositor,
decoderDevices[i] == DXVA2_Intel_ModeH264_E) {
mDecoderGUID = decoderDevices[i];
found = true;
break;
} else if (decoderDevices[i] == DXVA2_ModeVP9_VLD_Profile0) {
found = true;
}
}
CoTaskMemFree(decoderDevices);
@ -690,10 +695,13 @@ D3D11DXVA2Manager::Init(layers::KnowsCompositor* aKnowsCompositor,
for (UINT i = 0; i < profileCount; i++) {
GUID id;
hr = videoDevice->GetVideoDecoderProfile(i, &id);
if (SUCCEEDED(hr) && (id == DXVA2_ModeH264_E || id == DXVA2_Intel_ModeH264_E)) {
mDecoderGUID = id;
found = true;
break;
if (SUCCEEDED(hr)) {
if (id == DXVA2_ModeH264_E || id == DXVA2_Intel_ModeH264_E) {
mDecoderGUID = id;
found = true;
} else if (id == DXVA2_ModeVP9_VLD_Profile0) {
found = true;
}
}
}
if (!found) {