src/common/SourceFloatCaller.cpp

/*
 * Copyright 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <algorithm>
#include <unistd.h>
#include "flowgraph/FlowGraphNode.h"
#include "SourceFloatCaller.h"

using namespace oboe;
using namespace flowgraph;

int32_t SourceFloatCaller::onProcess(int32_t numFrames) {
    int32_t numBytes = mStream->getBytesPerFrame() * numFrames;
    int32_t bytesRead = mBlockReader.read((uint8_t *) output.getBuffer(), numBytes);
    int32_t framesRead = bytesRead / mStream->getBytesPerFrame();
    return framesRead;
}