1cb93a386Sopenharmony_ci/* 2cb93a386Sopenharmony_ci * Copyright 2015 The Android Open Source Project 3cb93a386Sopenharmony_ci * 4cb93a386Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 5cb93a386Sopenharmony_ci * you may not use this file except in compliance with the License. 6cb93a386Sopenharmony_ci * You may obtain a copy of the License at 7cb93a386Sopenharmony_ci * 8cb93a386Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 9cb93a386Sopenharmony_ci * 10cb93a386Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 11cb93a386Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 12cb93a386Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cb93a386Sopenharmony_ci * See the License for the specific language governing permissions and 14cb93a386Sopenharmony_ci * limitations under the License. 15cb93a386Sopenharmony_ci */ 16cb93a386Sopenharmony_ci 17cb93a386Sopenharmony_ci#include <algorithm> 18cb93a386Sopenharmony_ci#include <unistd.h> 19cb93a386Sopenharmony_ci#include "FlowGraphNode.h" 20cb93a386Sopenharmony_ci#include "ClipToRange.h" 21cb93a386Sopenharmony_ci 22cb93a386Sopenharmony_ciusing namespace FLOWGRAPH_OUTER_NAMESPACE::flowgraph; 23cb93a386Sopenharmony_ci 24cb93a386Sopenharmony_ciClipToRange::ClipToRange(int32_t channelCount) 25cb93a386Sopenharmony_ci : FlowGraphFilter(channelCount) { 26cb93a386Sopenharmony_ci} 27cb93a386Sopenharmony_ci 28cb93a386Sopenharmony_ciint32_t ClipToRange::onProcess(int32_t numFrames) { 29cb93a386Sopenharmony_ci const float *inputBuffer = input.getBuffer(); 30cb93a386Sopenharmony_ci float *outputBuffer = output.getBuffer(); 31cb93a386Sopenharmony_ci 32cb93a386Sopenharmony_ci int32_t numSamples = numFrames * output.getSamplesPerFrame(); 33cb93a386Sopenharmony_ci for (int32_t i = 0; i < numSamples; i++) { 34cb93a386Sopenharmony_ci *outputBuffer++ = std::min(mMaximum, std::max(mMinimum, *inputBuffer++)); 35cb93a386Sopenharmony_ci } 36cb93a386Sopenharmony_ci 37cb93a386Sopenharmony_ci return numFrames; 38cb93a386Sopenharmony_ci} 39