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973db5e9bc
Move initializing gfxVar from creating a video bridge to the moment we create UtilityAudioDecoderParent in order to ensure that we can always get correct value from gfxVar. Differential Revision: https://phabricator.services.mozilla.com/D204292
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef _include_ipc_glue_UtilityAudioDecoderChild_h__
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#define _include_ipc_glue_UtilityAudioDecoderChild_h__
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#include "mozilla/ProcInfo.h"
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#include "mozilla/ProfilerMarkers.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ipc/Endpoint.h"
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#include "mozilla/ipc/UtilityProcessParent.h"
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#include "mozilla/ipc/UtilityProcessSandboxing.h"
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#include "mozilla/ipc/UtilityAudioDecoder.h"
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#include "mozilla/ipc/PUtilityAudioDecoderChild.h"
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#ifdef MOZ_WMF_MEDIA_ENGINE
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# include "mozilla/gfx/GPUProcessListener.h"
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# include "mozilla/gfx/gfxVarReceiver.h"
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#endif
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#include "PDMFactory.h"
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namespace mozilla::ipc {
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class UtilityAudioDecoderChildShutdownObserver : public nsIObserver {
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public:
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explicit UtilityAudioDecoderChildShutdownObserver(SandboxingKind aKind)
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: mSandbox(aKind){};
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NS_DECL_ISUPPORTS
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NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) override;
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private:
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virtual ~UtilityAudioDecoderChildShutdownObserver() = default;
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const SandboxingKind mSandbox;
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};
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// This controls performing audio decoding on the utility process and it is
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// intended to live on the main process side
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class UtilityAudioDecoderChild final : public PUtilityAudioDecoderChild
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#ifdef MOZ_WMF_MEDIA_ENGINE
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,
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public gfx::gfxVarReceiver,
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public gfx::GPUProcessListener
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#endif
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{
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(UtilityAudioDecoderChild, override);
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mozilla::ipc::IPCResult RecvUpdateMediaCodecsSupported(
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const RemoteDecodeIn& aLocation,
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const media::MediaCodecsSupported& aSupported);
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UtilityActorName GetActorName() { return GetAudioActorName(mSandbox); }
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nsresult BindToUtilityProcess(RefPtr<UtilityProcessParent> aUtilityParent);
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void ActorDestroy(ActorDestroyReason aReason) override;
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void Bind(Endpoint<PUtilityAudioDecoderChild>&& aEndpoint);
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static void Shutdown(SandboxingKind aKind);
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static RefPtr<UtilityAudioDecoderChild> GetSingleton(SandboxingKind aKind);
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#ifdef MOZ_WMF_MEDIA_ENGINE
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mozilla::ipc::IPCResult RecvCompleteCreatedVideoBridge();
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void OnVarChanged(const gfx::GfxVarUpdate& aVar) override;
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void OnCompositorUnexpectedShutdown() override;
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// True if creating a video bridge sucessfully. Currently only used for media
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// engine cdm.
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bool CreateVideoBridge();
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#endif
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#ifdef MOZ_WMF_CDM
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void GetKeySystemCapabilities(dom::Promise* aPromise);
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#endif
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private:
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explicit UtilityAudioDecoderChild(SandboxingKind aKind);
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~UtilityAudioDecoderChild() = default;
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const SandboxingKind mSandbox;
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#ifdef MOZ_WMF_MEDIA_ENGINE
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// True if the utility process has created a video bridge with the GPU prcess.
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// Currently only used for media egine cdm. Main thread only.
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enum class State { None, Creating, Created };
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State mHasCreatedVideoBridge = State::None;
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#endif
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TimeStamp mAudioDecoderChildStart;
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};
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} // namespace mozilla::ipc
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#endif // _include_ipc_glue_UtilityAudioDecoderChild_h__
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