BluetoothA2dpSink: Add new BluetoothProfile subclass for A2DP sink

Change-Id: I09d5cb8fdaea4c4828f333949b7c18deffd22722

1 files changed, 111 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BluetoothAudioConfig.java b/framework/java/android/bluetooth/BluetoothAudioConfig.java
new file mode 100644
index 0000000000..03176b9e07
--- /dev/null
+++ b/framework/java/android/bluetooth/BluetoothAudioConfig.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2009 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.bluetooth;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Represents the audio configuration for a Bluetooth A2DP source device.
+ *
+ * {@see BluetoothA2dpSink}
+ *
+ * {@hide}
+ */
+public final class BluetoothAudioConfig implements Parcelable {
+
+    private final int mSampleRate;
+    private final int mChannelConfig;
+    private final int mAudioFormat;
+
+    public BluetoothAudioConfig(int sampleRate, int channelConfig, int audioFormat) {
+        mSampleRate = sampleRate;
+        mChannelConfig = channelConfig;
+        mAudioFormat = audioFormat;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o instanceof BluetoothAudioConfig) {
+            BluetoothAudioConfig bac = (BluetoothAudioConfig)o;
+            return (bac.mSampleRate == mSampleRate &&
+                    bac.mChannelConfig == mChannelConfig &&
+                    bac.mAudioFormat == mAudioFormat);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return mSampleRate | (mChannelConfig << 24) | (mAudioFormat << 28);
+    }
+
+    @Override
+    public String toString() {
+        return "{mSampleRate:" + mSampleRate + ",mChannelConfig:" + mChannelConfig
+                + ",mAudioFormat:" + mAudioFormat + "}";
+    }
+
+    public int describeContents() {
+        return 0;
+    }
+
+    public static final Parcelable.Creator<BluetoothAudioConfig> CREATOR =
+            new Parcelable.Creator<BluetoothAudioConfig>() {
+        public BluetoothAudioConfig createFromParcel(Parcel in) {
+            int sampleRate = in.readInt();
+            int channelConfig = in.readInt();
+            int audioFormat = in.readInt();
+            return new BluetoothAudioConfig(sampleRate, channelConfig, audioFormat);
+        }
+        public BluetoothAudioConfig[] newArray(int size) {
+            return new BluetoothAudioConfig[size];
+        }
+    };
+
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeInt(mSampleRate);
+        out.writeInt(mChannelConfig);
+        out.writeInt(mAudioFormat);
+    }
+
+    /**
+     * Returns the sample rate in samples per second
+     * @return sample rate
+     */
+    public int getSampleRate() {
+        return mSampleRate;
+    }
+
+    /**
+     * Returns the channel configuration (either {@link android.media.AudioFormat#CHANNEL_IN_MONO}
+     * or {@link android.media.AudioFormat#CHANNEL_IN_STEREO})
+     * @return channel configuration
+     */
+    public int getChannelConfig() {
+        return mChannelConfig;
+    }
+
+    /**
+     * Returns the channel audio format (either {@link android.media.AudioFormat#ENCODING_PCM_16BIT}
+     * or {@link android.media.AudioFormat#ENCODING_PCM_8BIT}
+     * @return audio format
+     */
+    public int getAudioFormat() {
+        return mAudioFormat;
+    }
+}