Merge "Dynamic Audio Buffer (1/3)"

1 files changed, 105 insertions, 0 deletions

diff --git a/framework/java/android/bluetooth/BufferConstraint.java b/framework/java/android/bluetooth/BufferConstraint.java
new file mode 100644
index 0000000000..cbffc788c3
--- /dev/null
+++ b/framework/java/android/bluetooth/BufferConstraint.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 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 android.bluetooth;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Stores a codec's constraints on buffering length in milliseconds.
+ *
+ * {@hide}
+ */
+@SystemApi
+public final class BufferConstraint implements Parcelable {
+
+    private static final String TAG = "BufferConstraint";
+    private int mDefaultMillis;
+    private int mMaxMillis;
+    private int mMinMillis;
+
+    public BufferConstraint(int defaultMillis, int maxMillis,
+            int minMillis) {
+        mDefaultMillis = defaultMillis;
+        mMaxMillis = maxMillis;
+        mMinMillis = minMillis;
+    }
+
+    BufferConstraint(Parcel in) {
+        mDefaultMillis = in.readInt();
+        mMaxMillis = in.readInt();
+        mMinMillis = in.readInt();
+    }
+
+    public static final @NonNull Parcelable.Creator<BufferConstraint> CREATOR =
+            new Parcelable.Creator<BufferConstraint>() {
+                public BufferConstraint createFromParcel(Parcel in) {
+                    return new BufferConstraint(in);
+                }
+
+                public BufferConstraint[] newArray(int size) {
+                    return new BufferConstraint[size];
+                }
+            };
+
+    @Override
+    public void writeToParcel(@NonNull Parcel out, int flags) {
+        out.writeInt(mDefaultMillis);
+        out.writeInt(mMaxMillis);
+        out.writeInt(mMinMillis);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    /**
+     * Get the default buffer millis
+     *
+     * @return default buffer millis
+     * @hide
+     */
+    @SystemApi
+    public int getDefaultMillis() {
+        return mDefaultMillis;
+    }
+
+    /**
+     * Get the maximum buffer millis
+     *
+     * @return maximum buffer millis
+     * @hide
+     */
+    @SystemApi
+    public int getMaxMillis() {
+        return mMaxMillis;
+    }
+
+    /**
+     * Get the minimum buffer millis
+     *
+     * @return minimum buffer millis
+     * @hide
+     */
+    @SystemApi
+    public int getMinMillis() {
+        return mMinMillis;
+    }
+}