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_SIGNALPROCESSINGINTERFACE_H 18 #define CTSAUDIO_SIGNALPROCESSINGINTERFACE_H 19 20 #include <utils/String8.h> 21 22 #include "task/TaskGeneric.h" 23 24 /** 25 * Interface to Signal processing module to run signal processing script and retrieve the result 26 * After construction, init() should be called before doing anything else. 27 */ 28 class SignalProcessingInterface { 29 public: ~SignalProcessingInterface()30 virtual ~SignalProcessingInterface() {}; 31 32 virtual bool init(const android::String8& script) = 0; 33 /** 34 * run the script with given input / output parameters. Note that this function does not 35 * do any type check. 36 * @param functionScript function name (python script name to run for this call) 37 * @param nInputs number of inputs. This is the length of inputTypes and inputs array 38 * @param inputTypes represent types of each input. 39 * when true: android::sp<Buffer>*, false: Value* 40 * @param inputs pointer to input. Either android::sp<Buffer>* or Value* 41 * @param nOutputs 42 * @param outputTypes 43 * @param outputs 44 */ 45 virtual TaskGeneric::ExecutionResult run(const android::String8& functionScript, 46 int nInputs, bool* inputTypes, void** inputs, 47 int nOutputs, bool* outputTypes, void** outputs) = 0; 48 }; 49 50 #endif //CTSAUDIO_SIGNALPROCESSINGINTERFACE_H 51