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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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36
dom/base/nsDOMWindowUtils.cpp
View file

@ -30,6 +30,9 @@
#ifdef MOZ_FMP4
#include "MP4Decoder.h"
#endif
#include "WMFDecoderModule.h"
#include "MediaPrefs.h"
#include "mozilla/gfx/gfxVars.h"
#include "CubebUtils.h"
#include "nsIScrollableFrame.h"
@ -2360,6 +2363,39 @@ nsDOMWindowUtils::GetSupportsHardwareH264Decoding(JS::MutableHandle<JS::Value> a
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetSupportsHardwareVP9Decoding(JS::MutableHandle<JS::Value> aPromise)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsIGlobalObject> parentObject =
do_QueryInterface(window->GetCurrentInnerWindow());
NS_ENSURE_STATE(parentObject);
ErrorResult rv;
RefPtr<Promise> promise = Promise::Create(parentObject, rv);
if (rv.Failed()) {
return rv.StealNSResult();
}
#if defined(XP_WIN) && defined(MOZ_WMF)
if (!MediaPrefs::PDMWMFVP9DecoderEnabled()) {
promise->MaybeResolve(NS_LITERAL_STRING("No; media.wmf.vp9.enabled is false"));
} else if (!gfx::gfxVars::CanUseHardwareVideoDecoding()) {
promise->MaybeResolve(NS_LITERAL_STRING("No; hardware video decoding disabled"));
} else if (WMFDecoderModule::HasVP9()) {
promise->MaybeResolve(NS_LITERAL_STRING("Yes"));
} else {
promise->MaybeResolve(NS_LITERAL_STRING("No; MFT unavailable"));
}
#else
promise->MaybeResolve(NS_LITERAL_STRING("No; not supported on this platform"));
#endif
aPromise.setObject(*promise->PromiseObj());
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentAudioBackend(nsAString& aBackend)
{