1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3  * License, v. 2.0. If a copy of the MPL was not distributed with this
4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 
6 #ifndef GMPVideoEncoderParent_h_
7 #define GMPVideoEncoderParent_h_
8 
9 #include "mozilla/RefPtr.h"
10 #include "gmp-video-encode.h"
11 #include "mozilla/gmp/PGMPVideoEncoderParent.h"
12 #include "GMPMessageUtils.h"
13 #include "GMPSharedMemManager.h"
14 #include "GMPUtils.h"
15 #include "GMPVideoHost.h"
16 #include "GMPVideoEncoderProxy.h"
17 #include "GMPCrashHelperHolder.h"
18 
19 namespace mozilla {
20 namespace gmp {
21 
22 class GMPContentParent;
23 
24 class GMPVideoEncoderParent : public GMPVideoEncoderProxy,
25                               public PGMPVideoEncoderParent,
26                               public GMPSharedMemManager,
27                               public GMPCrashHelperHolder {
28  public:
29   NS_INLINE_DECL_REFCOUNTING(GMPVideoEncoderParent)
30 
31   explicit GMPVideoEncoderParent(GMPContentParent* aPlugin);
32 
33   GMPVideoHostImpl& Host();
34   void Shutdown();
35 
36   // GMPVideoEncoderProxy
37   void Close() override;
38   GMPErr InitEncode(const GMPVideoCodec& aCodecSettings,
39                     const nsTArray<uint8_t>& aCodecSpecific,
40                     GMPVideoEncoderCallbackProxy* aCallback,
41                     int32_t aNumberOfCores, uint32_t aMaxPayloadSize) override;
42   GMPErr Encode(GMPUniquePtr<GMPVideoi420Frame> aInputFrame,
43                 const nsTArray<uint8_t>& aCodecSpecificInfo,
44                 const nsTArray<GMPVideoFrameType>& aFrameTypes) override;
45   GMPErr SetChannelParameters(uint32_t aPacketLoss, uint32_t aRTT) override;
46   GMPErr SetRates(uint32_t aNewBitRate, uint32_t aFrameRate) override;
47   GMPErr SetPeriodicKeyFrames(bool aEnable) override;
GetPluginId()48   uint32_t GetPluginId() const override { return mPluginId; }
49 
50   // GMPSharedMemManager
Alloc(size_t aSize,Shmem::SharedMemory::SharedMemoryType aType,Shmem * aMem)51   bool Alloc(size_t aSize, Shmem::SharedMemory::SharedMemoryType aType,
52              Shmem* aMem) override {
53 #ifdef GMP_SAFE_SHMEM
54     return AllocShmem(aSize, aType, aMem);
55 #else
56     return AllocUnsafeShmem(aSize, aType, aMem);
57 #endif
58   }
Dealloc(Shmem & aMem)59   void Dealloc(Shmem& aMem) override { DeallocShmem(aMem); }
60 
61  private:
~GMPVideoEncoderParent()62   virtual ~GMPVideoEncoderParent(){};
63 
64   // PGMPVideoEncoderParent
65   void ActorDestroy(ActorDestroyReason aWhy) override;
66   mozilla::ipc::IPCResult RecvEncoded(
67       const GMPVideoEncodedFrameData& aEncodedFrame,
68       InfallibleTArray<uint8_t>&& aCodecSpecificInfo) override;
69   mozilla::ipc::IPCResult RecvError(const GMPErr& aError) override;
70   mozilla::ipc::IPCResult RecvShutdown() override;
71   mozilla::ipc::IPCResult RecvParentShmemForPool(Shmem&& aFrameBuffer) override;
72   mozilla::ipc::IPCResult AnswerNeedShmem(const uint32_t& aEncodedBufferSize,
73                                           Shmem* aMem) override;
74   mozilla::ipc::IPCResult Recv__delete__() override;
75 
76   bool mIsOpen;
77   bool mShuttingDown;
78   bool mActorDestroyed;
79   RefPtr<GMPContentParent> mPlugin;
80   GMPVideoEncoderCallbackProxy* mCallback;
81   GMPVideoHostImpl mVideoHost;
82   const uint32_t mPluginId;
83 };
84 
85 }  // namespace gmp
86 }  // namespace mozilla
87 
88 #endif  // GMPVideoEncoderParent_h_
89