1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of 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, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <algorithm> 18 #include <unistd.h> 19 #include "flowgraph/FlowGraphNode.h" 20 #include "SourceFloatCaller.h" 21 22 using namespace oboe; 23 using namespace flowgraph; 24 onProcess(int32_t numFrames)25int32_t SourceFloatCaller::onProcess(int32_t numFrames) { 26 int32_t numBytes = mStream->getBytesPerFrame() * numFrames; 27 int32_t bytesRead = mBlockReader.read((uint8_t *) output.getBuffer(), numBytes); 28 int32_t framesRead = bytesRead / mStream->getBytesPerFrame(); 29 return framesRead; 30 } 31