1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 #ifndef CTSAUDIO_SIGNALPROCESSINGIMPL_H 18 #define CTSAUDIO_SIGNALPROCESSINGIMPL_H 19 20 #include <memory> 21 #include <utils/String8.h> 22 23 #include "SignalProcessingInterface.h" 24 #include "ClientSocket.h" 25 #include "RWBuffer.h" 26 27 /** 28 * Implements SignalProcessingInterface 29 */ 30 class SignalProcessingImpl: public SignalProcessingInterface { 31 public: 32 static const android::String8 MAIN_PROCESSING_SCRIPT; 33 SignalProcessingImpl(); 34 virtual ~SignalProcessingImpl(); 35 /** 36 * @param script main script to call function script 37 */ 38 virtual bool init(const android::String8& script); 39 40 virtual TaskGeneric::ExecutionResult run(const android::String8& functionScript, 41 int nInputs, bool* inputTypes, void** inputs, 42 int nOutputs, bool* outputTypes, void** outputs); 43 private: 44 bool send(const char* data, int len); 45 bool read(char* data, int len); 46 47 private: 48 static const int SCRIPT_PORT = 15010; 49 std::unique_ptr<ClientSocket> mSocket; 50 pid_t mChildPid; 51 bool mChildRunning; 52 RWBuffer mBuffer; 53 }; 54 55 56 #endif //CTSAUDIO_SIGNALPROCESSINGIMPL_H 57