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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef include_dom_media_ipc_RemoteDecoderManagerParent_h
#define include_dom_media_ipc_RemoteDecoderManagerParent_h
#include "GPUVideoImage.h"
#include "mozilla/PRemoteDecoderManagerParent.h"
#include "mozilla/layers/VideoBridgeChild.h"
namespace mozilla {
class PDMFactory;
class RemoteDecoderManagerParent final
: public PRemoteDecoderManagerParent,
public layers::IGPUVideoSurfaceManager {
friend class PRemoteDecoderManagerParent;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteDecoderManagerParent, override)
static bool CreateForContent(
Endpoint<PRemoteDecoderManagerParent>&& aEndpoint);
static bool CreateVideoBridgeToOtherProcess(
Endpoint<layers::PVideoBridgeChild>&& aEndpoint);
// Must be called on manager thread.
// Store the image so that it can be used out of process. Will be released
// when DeallocateSurfaceDescriptor is called.
void StoreImage(const SurfaceDescriptorGPUVideo& aSD, layers::Image* aImage,
layers::TextureClient* aTexture);
// IGPUVideoSurfaceManager methods
already_AddRefed<gfx::SourceSurface> Readback(
const SurfaceDescriptorGPUVideo& aSD) override {
MOZ_ASSERT_UNREACHABLE("Not usable from the parent");
return nullptr;
}
void DeallocateSurfaceDescriptor(
const SurfaceDescriptorGPUVideo& aSD) override;
static bool StartupThreads();
static void ShutdownThreads();
static void ShutdownVideoBridge();
bool OnManagerThread();
// Can be called from manager thread only
PDMFactory& EnsurePDMFactory();
protected:
PRemoteDecoderParent* AllocPRemoteDecoderParent(
const RemoteDecoderInfoIPDL& aRemoteDecoderInfo,
const CreateDecoderParams::OptionSet& aOptions,
const Maybe<layers::TextureFactoryIdentifier>& aIdentifier);
bool DeallocPRemoteDecoderParent(PRemoteDecoderParent* actor);
mozilla::ipc::IPCResult RecvReadback(const SurfaceDescriptorGPUVideo& aSD,
SurfaceDescriptor* aResult);
mozilla::ipc::IPCResult RecvDeallocateSurfaceDescriptorGPUVideo(
const SurfaceDescriptorGPUVideo& aSD);
void ActorDestroy(mozilla::ipc::IProtocol::ActorDestroyReason) override;
void ActorDealloc() override;
private:
explicit RemoteDecoderManagerParent(nsISerialEventTarget* aThread);
~RemoteDecoderManagerParent();
void Open(Endpoint<PRemoteDecoderManagerParent>&& aEndpoint);
std::map<uint64_t, RefPtr<layers::Image>> mImageMap;
std::map<uint64_t, RefPtr<layers::TextureClient>> mTextureMap;
nsCOMPtr<nsISerialEventTarget> mThread;
RefPtr<PDMFactory> mPDMFactory;
};
} // namespace mozilla
#endif // include_dom_media_ipc_RemoteDecoderManagerParent_h