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 18 #ifndef CTSAUDIO_BUILTINPROCESSING_H 19 #define CTSAUDIO_BUILTINPROCESSING_H 20 21 #include "task/TaskGeneric.h" 22 23 class BuiltinProcessing { 24 public: 25 BuiltinProcessing(); 26 27 typedef TaskGeneric::ExecutionResult \ 28 (BuiltinProcessing::*BuiltinProcessingMemberFn)(void**, void**); 29 struct BuiltinInfo { 30 const char* mName; 31 BuiltinProcessingMemberFn mFunction; 32 size_t mNInput; 33 const bool* mInputTypes; // true: android::sp<Buffer>*, false: Value* 34 size_t mNOutput; 35 const bool* mOutputTypes; 36 }; 37 38 static const int N_BUILTIN_FNS = 1; 39 static BuiltinInfo BUINTIN_FN_TABLE[N_BUILTIN_FNS]; 40 /** 41 * calculate RMS of given data. The rms is passed to moving average filter 42 * And the averaged RMS should be within passMin to passMax to pass the test. 43 * Otherwise, it will just return EResultOK. 44 * Input: android::sp<Buffer> data, int64_t passMin, int64_t passMax 45 * Output:int64_t rms 46 */ 47 TaskGeneric::ExecutionResult rms_mva(void** inputs, void** outputs); 48 private: 49 static const int RMS_CONTINUOUS_PASSES = 5; 50 int mRMSPasses; 51 }; 52 53 54 #endif // CTSAUDIO_BUILTINPROCESSING_H 55