GMPVideoEncoderProxy.h (2389B)
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 GMPVideoEncoderProxy_h_ 7 #define GMPVideoEncoderProxy_h_ 8 9 #include "GMPCallbackBase.h" 10 #include "GMPUtils.h" 11 #include "gmp-video-encode.h" 12 #include "gmp-video-frame-encoded.h" 13 #include "gmp-video-frame-i420.h" 14 #include "nsTArray.h" 15 16 class GMPVideoEncoderCallbackProxy : public GMPCallbackBase { 17 public: 18 virtual ~GMPVideoEncoderCallbackProxy() = default; 19 virtual void Encoded(GMPVideoEncodedFrame* aEncodedFrame, 20 const nsTArray<uint8_t>& aCodecSpecificInfo) = 0; 21 virtual void Dropped(uint64_t aTimestamp) = 0; 22 virtual void Error(GMPErr aError) = 0; 23 }; 24 25 // A proxy to GMPVideoEncoder in the child process. 26 // GMPVideoEncoderParent exposes this to users the GMP. 27 // This enables Gecko to pass nsTArrays to the child GMP and avoid 28 // an extra copy when doing so. 29 30 // The consumer must call Close() when done with the codec, or when 31 // Terminated() is called by the GMP plugin indicating an abnormal shutdown 32 // of the underlying plugin. After calling Close(), the consumer must 33 // not access this again. 34 35 // This interface is not thread-safe and must only be used from GMPThread. 36 class GMPVideoEncoderProxy { 37 public: 38 virtual GMPErr InitEncode(const GMPVideoCodec& aCodecSettings, 39 const nsTArray<uint8_t>& aCodecSpecific, 40 GMPVideoEncoderCallbackProxy* aCallback, 41 int32_t aNumberOfCores, 42 uint32_t aMaxPayloadSize) = 0; 43 virtual GMPErr Encode(mozilla::GMPUniquePtr<GMPVideoi420Frame> aInputFrame, 44 const nsTArray<uint8_t>& aCodecSpecificInfo, 45 const nsTArray<GMPVideoFrameType>& aFrameTypes) = 0; 46 virtual GMPErr SetChannelParameters(uint32_t aPacketLoss, uint32_t aRTT) = 0; 47 virtual GMPErr SetRates(uint32_t aNewBitRate, uint32_t aFrameRate) = 0; 48 virtual GMPErr SetPeriodicKeyFrames(bool aEnable) = 0; 49 virtual uint32_t GetPluginId() const = 0; 50 51 // Call to tell GMP/plugin the consumer will no longer use this 52 // interface/codec. 53 virtual void Close() = 0; 54 }; 55 56 #endif // GMPVideoEncoderProxy_h_