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/*
* Copyright 2016 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.
*/
#ifndef NATIVEOBOE_INPUTSTREAMCALLBACKANALYZER_H
#define NATIVEOBOE_INPUTSTREAMCALLBACKANALYZER_H
#include <unistd.h>
#include <sys/types.h>
// TODO #include "flowgraph/FlowGraph.h"
#include "oboe/Oboe.h"
#include "analyzer/PeakDetector.h"
#include "FormatConverterBox.h"
#include "MultiChannelRecording.h"
#include "OboeTesterStreamCallback.h"
class InputStreamCallbackAnalyzer : public OboeTesterStreamCallback {
public:
void reset() {
for (int iChannel = 0; iChannel < mNumChannels; iChannel++) {
mPeakDetectors[iChannel].reset();
}
OboeTesterStreamCallback::reset();
}
void setup(int32_t maxFramesPerCallback,
int32_t channelCount,
oboe::AudioFormat inputFormat) {
mNumChannels = channelCount;
mPeakDetectors = std::make_unique<PeakDetector[]>(channelCount);
int32_t bufferSize = maxFramesPerCallback * channelCount;
mInputConverter = std::make_unique<FormatConverterBox>(bufferSize,
inputFormat,
oboe::AudioFormat::Float);
}
/**
* Called by Oboe when the stream is ready to process audio.
*/
oboe::DataCallbackResult onAudioReady(
oboe::AudioStream *audioStream,
void *audioData,
int numFrames) override;
void setRecording(MultiChannelRecording *recording) {
mRecording = recording;
}
double getPeakLevel(int index);
void setMinimumFramesBeforeRead(int32_t numFrames) {
mMinimumFramesBeforeRead = numFrames;
}
int32_t getMinimumFramesBeforeRead() {
return mMinimumFramesBeforeRead;
}
public:
int32_t mNumChannels = 0;
std::unique_ptr<PeakDetector[]> mPeakDetectors;
MultiChannelRecording *mRecording = nullptr;
private:
std::unique_ptr<FormatConverterBox> mInputConverter;
int32_t mMinimumFramesBeforeRead = 0;
};
#endif //NATIVEOBOE_INPUTSTREAMCALLBACKANALYZER_H