/* -*- 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 "nsTArray.h"
namespace mozilla::gmp {
class GMPSharedMemManager;
class GMPVideoEncodedFrameImpl;
class GMPVideoi420FrameImpl;
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 EncodedFrameCreated(GMPVideoEncodedFrameImpl* aEncodedFrame);
void EncodedFrameDestroyed(GMPVideoEncodedFrameImpl* aFrame);
void DecodedFrameCreated(GMPVideoi420FrameImpl* aDecodedFrame);
void DecodedFrameDestroyed(GMPVideoi420FrameImpl* aFrame);
bool IsEncodedFramesEmpty()
const {
return mEncodedFrames.IsEmpty(); }
bool IsDecodedFramesEmpty()
const {
return mDecodedFrames.IsEmpty(); }
// 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<GMPVideoEncodedFrameImpl*> mEncodedFrames;
nsTArray<GMPVideoi420FrameImpl*> mDecodedFrames;
};
}
// namespace mozilla::gmp
#endif // GMPVideoHost_h_
