| /* |
| * Copyright (C) 2015 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 android.media.cts; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.cts.util.CtsAndroidTestCase; |
| import android.util.Log; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| public class AudioRecordNative { |
| // Must be kept in sync with C++ JNI audio-record-native (AudioRecordNative) READ_FLAG_* |
| public static final int READ_FLAG_BLOCKING = 1 << 0; |
| /** @hide */ |
| @IntDef(flag = true, |
| value = { |
| READ_FLAG_BLOCKING, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ReadFlags { } |
| |
| public AudioRecordNative() { |
| mNativeRecordInJavaObj = nativeCreateRecord(); |
| } |
| |
| public boolean open(int numChannels, int sampleRate, boolean useFloat, int numBuffers) { |
| if (nativeOpen(mNativeRecordInJavaObj, numChannels, sampleRate, useFloat, numBuffers) |
| == STATUS_OK) { |
| mChannelCount = numChannels; |
| return true; |
| } |
| return false; |
| } |
| |
| public void close() { |
| nativeClose(mNativeRecordInJavaObj); |
| } |
| |
| public boolean start() { |
| return nativeStart(mNativeRecordInJavaObj) == STATUS_OK; |
| } |
| |
| public boolean stop() { |
| return nativeStop(mNativeRecordInJavaObj) == STATUS_OK; |
| } |
| |
| public boolean pause() { |
| return nativePause(mNativeRecordInJavaObj) == STATUS_OK; |
| } |
| |
| public boolean flush() { |
| return nativeFlush(mNativeRecordInJavaObj) == STATUS_OK; |
| } |
| |
| public long getPositionInMsec() { |
| long[] position = new long[1]; |
| if (nativeGetPositionInMsec(mNativeRecordInJavaObj, position) != STATUS_OK) { |
| throw new IllegalStateException(); |
| } |
| return position[0]; |
| } |
| |
| public int getBuffersPending() { |
| return nativeGetBuffersPending(mNativeRecordInJavaObj); |
| } |
| |
| public int read(@NonNull byte[] byteArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags) { |
| return nativeReadByteArray( |
| mNativeRecordInJavaObj, byteArray, offsetInSamples, sizeInSamples, readFlags); |
| } |
| |
| public int read(@NonNull short[] shortArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags) { |
| return nativeReadShortArray( |
| mNativeRecordInJavaObj, shortArray, offsetInSamples, sizeInSamples, readFlags); |
| } |
| |
| public int read(@NonNull float[] floatArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags) { |
| return nativeReadFloatArray( |
| mNativeRecordInJavaObj, floatArray, offsetInSamples, sizeInSamples, readFlags); |
| } |
| |
| public int getChannelCount() { |
| return mChannelCount; |
| } |
| |
| public static boolean test(int numChannels, int sampleRate, boolean useFloat, |
| int msecPerBuffer, int numBuffers) { |
| return nativeTest(numChannels, sampleRate, useFloat, msecPerBuffer, numBuffers) |
| == STATUS_OK; |
| } |
| |
| @Override |
| protected void finalize() { |
| nativeClose(mNativeRecordInJavaObj); |
| nativeDestroyRecord(mNativeRecordInJavaObj); |
| } |
| |
| static { |
| System.loadLibrary("audio_jni"); |
| } |
| |
| private static final String TAG = "AudioRecordNative"; |
| private int mChannelCount; |
| private final long mNativeRecordInJavaObj; |
| private static final int STATUS_OK = 0; |
| |
| // static native API. |
| // The native API uses a long "record handle" created by nativeCreateRecord. |
| // The handle must be destroyed after use by nativeDestroyRecord. |
| // |
| // Return codes from the native layer are status_t. |
| // Converted to Java booleans or exceptions at the public API layer. |
| private static native long nativeCreateRecord(); |
| private static native void nativeDestroyRecord(long record); |
| private static native int nativeOpen( |
| long record, int numChannels, int sampleRate, boolean useFloat, int numBuffers); |
| private static native void nativeClose(long record); |
| private static native int nativeStart(long record); |
| private static native int nativeStop(long record); |
| private static native int nativePause(long record); |
| private static native int nativeFlush(long record); |
| private static native int nativeGetPositionInMsec(long record, @NonNull long[] position); |
| private static native int nativeGetBuffersPending(long record); |
| private static native int nativeReadByteArray(long record, @NonNull byte[] byteArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags); |
| private static native int nativeReadShortArray(long record, @NonNull short[] shortArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags); |
| private static native int nativeReadFloatArray(long record, @NonNull float[] floatArray, |
| int offsetInSamples, int sizeInSamples, @ReadFlags int readFlags); |
| |
| // native interface for all-in-one testing, no record handle required. |
| private static native int nativeTest( |
| int numChannels, int sampleRate, boolean useFloat, int msecPerBuffer, int numBuffers); |
| } |