apps/CtsVerifier/src/org/hyphonate/megaaudio/recorder/OboeRecorder.java

/*
 * Copyright 2020 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.
 */
package org.hyphonate.megaaudio.recorder;

public class OboeRecorder extends Recorder {
    private int mRecorderSubtype;
    private long mNativeRecorder;

    public OboeRecorder(AudioSinkProvider sinkProvider, int subType) {
        super(sinkProvider);

        mRecorderSubtype = subType;
        mNativeRecorder = allocNativeRecorder(sinkProvider.allocNativeSink().getNativeObject(), mRecorderSubtype);
    }

    //
    // Attributes
    //
    @Override
    public int getNumBufferFrames() {
        return getNumBufferFramesN(mNativeRecorder);
    }

    @Override
    public void setInputPreset(int preset) {
        setInputPresetN(mNativeRecorder, preset);
    }

    @Override
    public int getRoutedDeviceId() { return getRoutedDeviceIdN(mNativeRecorder); }

    //
    // State
    //
    @Override
    public boolean isRecording() {
        return isRecordingN(mNativeRecorder);
    }

    @Override
    public int setupStream(int channelCount, int sampleRate, int numBurstFrames) {
        mChannelCount = channelCount;
        mSampleRate = sampleRate;
        return setupStreamN(mNativeRecorder, channelCount, sampleRate,
                mRouteDevice == null ? -1 : mRouteDevice.getId());
    }

    @Override
    public int teardownStream() {
        int errCode = teardownStreamN(mNativeRecorder);
        mChannelCount = 0;
        mSampleRate = 0;

        return errCode;
    }

    @Override
    public int startStream() {
        return startStreamN(mNativeRecorder, mRecorderSubtype);
    }

    @Override
    public int stopStream() {
        return stopN(mNativeRecorder);
    }

    private native long allocNativeRecorder(long nativeSink, int recorderSubtype);

    private native boolean isRecordingN(long nativeRecorder);

    private native int getBufferFrameCountN(long nativeRecorder);
    private native void setInputPresetN(long nativeRecorder, int inputPreset);

    private native int getRoutedDeviceIdN(long nativeRecorder);

    private native int setupStreamN(long nativeRecorder, int channelCount, int sampleRate, int routeDeviceId);
    private native int teardownStreamN(long nativeRecorder);

    private native int startStreamN(long nativeRecorder, int recorderSubtype);

    private native int stopN(long nativeRecorder);

    private native int getNumBufferFramesN(long nativeRecorder);
}