58 lines
2 KiB
C++
58 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 GMPVideoHost_h_
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#define GMPVideoHost_h_
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#include "gmp-video-host.h"
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#include "gmp-video-plane.h"
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#include "gmp-video-frame.h"
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#include "nsTArray.h"
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namespace mozilla::gmp {
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class GMPSharedMemManager;
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class GMPVideoEncodedFrameImpl;
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class GMPVideoi420FrameImpl;
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class GMPVideoHostImpl : public GMPVideoHost {
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public:
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explicit GMPVideoHostImpl(GMPSharedMemManager* aSharedMemMgr);
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virtual ~GMPVideoHostImpl();
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// Used for shared memory allocation and deallocation.
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GMPSharedMemManager* SharedMemMgr();
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void DoneWithAPI();
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void ActorDestroyed();
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void EncodedFrameCreated(GMPVideoEncodedFrameImpl* aEncodedFrame);
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void EncodedFrameDestroyed(GMPVideoEncodedFrameImpl* aFrame);
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void DecodedFrameCreated(GMPVideoi420FrameImpl* aDecodedFrame);
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void DecodedFrameDestroyed(GMPVideoi420FrameImpl* aFrame);
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bool IsEncodedFramesEmpty() const { return mEncodedFrames.IsEmpty(); }
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bool IsDecodedFramesEmpty() const { return mDecodedFrames.IsEmpty(); }
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// GMPVideoHost
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GMPErr CreateFrame(GMPVideoFrameFormat aFormat,
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GMPVideoFrame** aFrame) override;
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GMPErr CreatePlane(GMPPlane** aPlane) override;
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private:
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// All shared memory allocations have to be made by an IPDL actor.
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// This is a reference to the owning actor. If this reference is
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// null then the actor has died and all allocations must fail.
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GMPSharedMemManager* mSharedMemMgr;
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// We track all of these things because they need to handle further
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// allocations through us and we need to notify them when they
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// can't use us any more.
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nsTArray<GMPVideoEncodedFrameImpl*> mEncodedFrames;
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nsTArray<GMPVideoi420FrameImpl*> mDecodedFrames;
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};
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} // namespace mozilla::gmp
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#endif // GMPVideoHost_h_
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