1 files changed, 100 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/decoder/Buffer.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/decoder/Buffer.java
new file mode 100644
index 0000000000..ac254fae96
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/decoder/Buffer.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2016 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.mozilla.thirdparty.com.google.android.exoplayer2.decoder;
+
+import org.mozilla.thirdparty.com.google.android.exoplayer2.C;
+
+/**
+ * Base class for buffers with flags.
+ */
+public abstract class Buffer {
+
+  @C.BufferFlags
+  private int flags;
+
+  /**
+   * Clears the buffer.
+   */
+  public void clear() {
+    flags = 0;
+  }
+
+  /**
+   * Returns whether the {@link C#BUFFER_FLAG_DECODE_ONLY} flag is set.
+   */
+  public final boolean isDecodeOnly() {
+    return getFlag(C.BUFFER_FLAG_DECODE_ONLY);
+  }
+
+  /**
+   * Returns whether the {@link C#BUFFER_FLAG_END_OF_STREAM} flag is set.
+   */
+  public final boolean isEndOfStream() {
+    return getFlag(C.BUFFER_FLAG_END_OF_STREAM);
+  }
+
+  /**
+   * Returns whether the {@link C#BUFFER_FLAG_KEY_FRAME} flag is set.
+   */
+  public final boolean isKeyFrame() {
+    return getFlag(C.BUFFER_FLAG_KEY_FRAME);
+  }
+
+  /** Returns whether the {@link C#BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA} flag is set. */
+  public final boolean hasSupplementalData() {
+    return getFlag(C.BUFFER_FLAG_HAS_SUPPLEMENTAL_DATA);
+  }
+
+  /**
+   * Replaces this buffer's flags with {@code flags}.
+   *
+   * @param flags The flags to set, which should be a combination of the {@code C.BUFFER_FLAG_*}
+   *     constants.
+   */
+  public final void setFlags(@C.BufferFlags int flags) {
+    this.flags = flags;
+  }
+
+  /**
+   * Adds the {@code flag} to this buffer's flags.
+   *
+   * @param flag The flag to add to this buffer's flags, which should be one of the
+   *     {@code C.BUFFER_FLAG_*} constants.
+   */
+  public final void addFlag(@C.BufferFlags int flag) {
+    flags |= flag;
+  }
+
+  /**
+   * Removes the {@code flag} from this buffer's flags, if it is set.
+   *
+   * @param flag The flag to remove.
+   */
+  public final void clearFlag(@C.BufferFlags int flag) {
+    flags &= ~flag;
+  }
+
+  /**
+   * Returns whether the specified flag has been set on this buffer.
+   *
+   * @param flag The flag to check.
+   * @return Whether the flag is set.
+   */
+  protected final boolean getFlag(@C.BufferFlags int flag) {
+    return (flags & flag) == flag;
+  }
+
+}