1 /* 2 * Copyright 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.hyphonate.megaaudio.player.sources; 17 18 import org.hyphonate.megaaudio.player.AudioSource; 19 import org.hyphonate.megaaudio.player.AudioSourceProvider; 20 import org.hyphonate.megaaudio.player.NativeAudioSource; 21 22 /** 23 * An AudioSourceProvider for SparseChannelAudioSources 24 */ 25 public class SparseChannelAudioSourceProvider implements AudioSourceProvider { 26 public static final int CHANNELMASK_LEFT = 0x01; 27 public static final int CHANNELMASK_RIGHT = 0x02; 28 29 int mChannelsMask; SparseChannelAudioSourceProvider(int mask)30 public SparseChannelAudioSourceProvider(int mask) { 31 super(); 32 33 mChannelsMask = mask; 34 } 35 36 @Override getJavaSource()37 public AudioSource getJavaSource() { 38 return new SparseChannelAudioSource(mChannelsMask); 39 } 40 41 @Override getNativeSource()42 public NativeAudioSource getNativeSource() { 43 // NOTE: until a native version of the SparseChannelAudioSource is implemented, returning 44 // null from here will default back to the Java SparseChannelAudioSource. 45 // return new NativeAudioSource(allocNativeSource()); 46 return null; 47 } 48 49 // private native long allocNativeSource(); 50 } 51