gecko-dev/dom/media/gmp/GMPVideoHost.h

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1.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 GMPVideoHost_h_
#define GMPVideoHost_h_
#include "gmp-video-host.h"
#include "gmp-video-plane.h"
#include "gmp-video-frame.h"
#include "gmp-video-host.h"
#include "nsTArray.h"
namespace mozilla {
namespace gmp {
class GMPSharedMemManager;
class GMPPlaneImpl;
class GMPVideoEncodedFrameImpl;
class GMPVideoHostImpl : public GMPVideoHost
{
public:
explicit GMPVideoHostImpl(GMPSharedMemManager* aSharedMemMgr);
virtual ~GMPVideoHostImpl();
// Used for shared memory allocation and deallocation.
GMPSharedMemManager* SharedMemMgr();
void DoneWithAPI();
void ActorDestroyed();
void PlaneCreated(GMPPlaneImpl* aPlane);
void PlaneDestroyed(GMPPlaneImpl* aPlane);
void EncodedFrameCreated(GMPVideoEncodedFrameImpl* aEncodedFrame);
void EncodedFrameDestroyed(GMPVideoEncodedFrameImpl* aFrame);
// GMPVideoHost
GMPErr CreateFrame(GMPVideoFrameFormat aFormat, GMPVideoFrame** aFrame) override;
GMPErr CreatePlane(GMPPlane** aPlane) override;
private:
// All shared memory allocations have to be made by an IPDL actor.
// This is a reference to the owning actor. If this reference is
// null then the actor has died and all allocations must fail.
GMPSharedMemManager* mSharedMemMgr;
// We track all of these things because they need to handle further
// allocations through us and we need to notify them when they
// can't use us any more.
nsTArray<GMPPlaneImpl*> mPlanes;
nsTArray<GMPVideoEncodedFrameImpl*> mEncodedFrames;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPVideoHost_h_