| /* |
| * 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 |