Line data    Source code

       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 GMPVideoDecoderChild_h_
       7             : #define GMPVideoDecoderChild_h_
       8             : 
       9             : #include "nsString.h"
      10             : #include "mozilla/gmp/PGMPVideoDecoderChild.h"
      11             : #include "gmp-video-decode.h"
      12             : #include "GMPSharedMemManager.h"
      13             : #include "GMPVideoHost.h"
      14             : #include "mozilla/gmp/GMPTypes.h"
      15             : 
      16             : namespace mozilla {
      17             : namespace gmp {
      18             : 
      19             : class GMPContentChild;
      20             : 
      21             : class GMPVideoDecoderChild : public PGMPVideoDecoderChild,
      22             :                              public GMPVideoDecoderCallback,
      23             :                              public GMPSharedMemManager
      24             : {
      25             : public:
      26           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPVideoDecoderChild);
      27             : 
      28             :   explicit GMPVideoDecoderChild(GMPContentChild* aPlugin);
      29             : 
      30             :   void Init(GMPVideoDecoder* aDecoder);
      31             :   GMPVideoHostImpl& Host();
      32             : 
      33             :   // GMPVideoDecoderCallback
      34             :   void Decoded(GMPVideoi420Frame* decodedFrame) override;
      35             :   void ReceivedDecodedReferenceFrame(const uint64_t pictureId) override;
      36             :   void ReceivedDecodedFrame(const uint64_t pictureId) override;
      37             :   void InputDataExhausted() override;
      38             :   void DrainComplete() override;
      39             :   void ResetComplete() override;
      40             :   void Error(GMPErr aError) override;
      41             : 
      42             :   // GMPSharedMemManager
      43             :   bool Alloc(size_t aSize, Shmem::SharedMemory::SharedMemoryType aType, Shmem* aMem) override;
      44             :   void Dealloc(Shmem& aMem) override;
      45             : 
      46             : private:
      47             :   virtual ~GMPVideoDecoderChild();
      48             : 
      49             :   // PGMPVideoDecoderChild
      50             :   mozilla::ipc::IPCResult RecvInitDecode(const GMPVideoCodec& aCodecSettings,
      51             :                                          InfallibleTArray<uint8_t>&& aCodecSpecific,
      52             :                                          const int32_t& aCoreCount) override;
      53             :   mozilla::ipc::IPCResult RecvDecode(const GMPVideoEncodedFrameData& aInputFrame,
      54             :                                      const bool& aMissingFrames,
      55             :                                      InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
      56             :                                      const int64_t& aRenderTimeMs) override;
      57             :   mozilla::ipc::IPCResult RecvChildShmemForPool(Shmem&& aFrameBuffer) override;
      58             :   mozilla::ipc::IPCResult RecvReset() override;
      59             :   mozilla::ipc::IPCResult RecvDrain() override;
      60             :   mozilla::ipc::IPCResult RecvDecodingComplete() override;
      61             : 
      62             :   GMPContentChild* mPlugin;
      63             :   GMPVideoDecoder* mVideoDecoder;
      64             :   GMPVideoHostImpl mVideoHost;
      65             : 
      66             :   // Non-zero when a GMP is blocked spinning the IPC message loop while
      67             :   // waiting on an NeedShmem to complete.
      68             :   int mNeedShmemIntrCount;
      69             :   bool mPendingDecodeComplete;
      70             : };
      71             : 
      72             : } // namespace gmp
      73             : } // namespace mozilla
      74             : 
      75             : #endif // GMPVideoDecoderChild_h_