зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
3.0 KiB
C++
87 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 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_dom_media_ipc_RemoteDecoderManagerParent_h
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#define include_dom_media_ipc_RemoteDecoderManagerParent_h
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#include "GPUVideoImage.h"
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#include "mozilla/PRemoteDecoderManagerParent.h"
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#include "mozilla/layers/VideoBridgeChild.h"
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namespace mozilla {
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class PDMFactory;
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class RemoteDecoderManagerParent final
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: public PRemoteDecoderManagerParent,
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public layers::IGPUVideoSurfaceManager {
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friend class PRemoteDecoderManagerParent;
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteDecoderManagerParent, override)
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static bool CreateForContent(
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Endpoint<PRemoteDecoderManagerParent>&& aEndpoint);
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static bool CreateVideoBridgeToOtherProcess(
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Endpoint<layers::PVideoBridgeChild>&& aEndpoint);
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// Must be called on manager thread.
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// Store the image so that it can be used out of process. Will be released
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// when DeallocateSurfaceDescriptor is called.
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void StoreImage(const SurfaceDescriptorGPUVideo& aSD, layers::Image* aImage,
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layers::TextureClient* aTexture);
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// IGPUVideoSurfaceManager methods
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already_AddRefed<gfx::SourceSurface> Readback(
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const SurfaceDescriptorGPUVideo& aSD) override {
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MOZ_ASSERT_UNREACHABLE("Not usable from the parent");
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return nullptr;
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}
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void DeallocateSurfaceDescriptor(
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const SurfaceDescriptorGPUVideo& aSD) override;
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static bool StartupThreads();
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static void ShutdownThreads();
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static void ShutdownVideoBridge();
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bool OnManagerThread();
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// Can be called from manager thread only
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PDMFactory& EnsurePDMFactory();
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protected:
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PRemoteDecoderParent* AllocPRemoteDecoderParent(
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const RemoteDecoderInfoIPDL& aRemoteDecoderInfo,
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const CreateDecoderParams::OptionSet& aOptions,
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const Maybe<layers::TextureFactoryIdentifier>& aIdentifier);
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bool DeallocPRemoteDecoderParent(PRemoteDecoderParent* actor);
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mozilla::ipc::IPCResult RecvReadback(const SurfaceDescriptorGPUVideo& aSD,
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SurfaceDescriptor* aResult);
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mozilla::ipc::IPCResult RecvDeallocateSurfaceDescriptorGPUVideo(
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const SurfaceDescriptorGPUVideo& aSD);
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void ActorDestroy(mozilla::ipc::IProtocol::ActorDestroyReason) override;
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void ActorDealloc() override;
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private:
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explicit RemoteDecoderManagerParent(nsISerialEventTarget* aThread);
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~RemoteDecoderManagerParent();
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void Open(Endpoint<PRemoteDecoderManagerParent>&& aEndpoint);
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std::map<uint64_t, RefPtr<layers::Image>> mImageMap;
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std::map<uint64_t, RefPtr<layers::TextureClient>> mTextureMap;
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nsCOMPtr<nsISerialEventTarget> mThread;
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RefPtr<PDMFactory> mPDMFactory;
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};
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} // namespace mozilla
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#endif // include_dom_media_ipc_RemoteDecoderManagerParent_h
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