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 GMPVideoEncoderChild_h_
       7             : #define GMPVideoEncoderChild_h_
       8             : 
       9             : #include "nsString.h"
      10             : #include "mozilla/gmp/PGMPVideoEncoderChild.h"
      11             : #include "gmp-video-encode.h"
      12             : #include "GMPSharedMemManager.h"
      13             : #include "GMPVideoHost.h"
      14             : 
      15             : namespace mozilla {
      16             : namespace gmp {
      17             : 
      18             : class GMPContentChild;
      19             : 
      20             : class GMPVideoEncoderChild : public PGMPVideoEncoderChild,
      21             :                              public GMPVideoEncoderCallback,
      22             :                              public GMPSharedMemManager
      23             : {
      24             : public:
      25           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPVideoEncoderChild);
      26             : 
      27             :   explicit GMPVideoEncoderChild(GMPContentChild* aPlugin);
      28             : 
      29             :   void Init(GMPVideoEncoder* aEncoder);
      30             :   GMPVideoHostImpl& Host();
      31             : 
      32             :   // GMPVideoEncoderCallback
      33             :   void Encoded(GMPVideoEncodedFrame* aEncodedFrame,
      34             :                const uint8_t* aCodecSpecificInfo,
      35             :                uint32_t aCodecSpecificInfoLength) override;
      36             :   void Error(GMPErr aError) override;
      37             : 
      38             :   // GMPSharedMemManager
      39             :   bool Alloc(size_t aSize, Shmem::SharedMemory::SharedMemoryType aType,
      40             :     Shmem* aMem) override;
      41             :   void Dealloc(Shmem& aMem) override;
      42             : 
      43             : private:
      44             :   virtual ~GMPVideoEncoderChild();
      45             : 
      46             :   // PGMPVideoEncoderChild
      47             :   mozilla::ipc::IPCResult RecvInitEncode(const GMPVideoCodec& aCodecSettings,
      48             :                                          InfallibleTArray<uint8_t>&& aCodecSpecific,
      49             :                                          const int32_t& aNumberOfCores,
      50             :                                          const uint32_t& aMaxPayloadSize) override;
      51             :   mozilla::ipc::IPCResult RecvEncode(const GMPVideoi420FrameData& aInputFrame,
      52             :                                      InfallibleTArray<uint8_t>&& aCodecSpecificInfo,
      53             :                                      InfallibleTArray<GMPVideoFrameType>&& aFrameTypes) override;
      54             :   mozilla::ipc::IPCResult RecvChildShmemForPool(Shmem&& aEncodedBuffer) override;
      55             :   mozilla::ipc::IPCResult RecvSetChannelParameters(const uint32_t& aPacketLoss,
      56             :                                                    const uint32_t& aRTT) override;
      57             :   mozilla::ipc::IPCResult RecvSetRates(const uint32_t& aNewBitRate,
      58             :                                        const uint32_t& aFrameRate) override;
      59             :   mozilla::ipc::IPCResult RecvSetPeriodicKeyFrames(const bool& aEnable) override;
      60             :   mozilla::ipc::IPCResult RecvEncodingComplete() override;
      61             : 
      62             :   GMPContentChild* mPlugin;
      63             :   GMPVideoEncoder* mVideoEncoder;
      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 mPendingEncodeComplete;
      70             : };
      71             : 
      72             : } // namespace gmp
      73             : } // namespace mozilla
      74             : 
      75             : #endif // GMPVideoEncoderChild_h_