1 files changed, 87 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/flv/TagPayloadReader.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/flv/TagPayloadReader.java
new file mode 100644
index 0000000000..3f8b51244a
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/extractor/flv/TagPayloadReader.java
@@ -0,0 +1,87 @@
+/*
+ * 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.extractor.flv;
+
+import org.mozilla.thirdparty.com.google.android.exoplayer2.ParserException;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.extractor.TrackOutput;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray;
+
+/**
+ * Extracts individual samples from FLV tags, preserving original order.
+ */
+/* package */ abstract class TagPayloadReader {
+
+  /**
+   * Thrown when the format is not supported.
+   */
+  public static final class UnsupportedFormatException extends ParserException {
+
+    public UnsupportedFormatException(String msg) {
+      super(msg);
+    }
+
+  }
+
+  protected final TrackOutput output;
+
+  /**
+   * @param output A {@link TrackOutput} to which samples should be written.
+   */
+  protected TagPayloadReader(TrackOutput output) {
+    this.output = output;
+  }
+
+  /**
+   * Notifies the reader that a seek has occurred.
+   * <p>
+   * Following a call to this method, the data passed to the next invocation of
+   * {@link #consume(ParsableByteArray, long)} will not be a continuation of the data that
+   * was previously passed. Hence the reader should reset any internal state.
+   */
+  public abstract void seek();
+
+  /**
+   * Consumes payload data.
+   *
+   * @param data The payload data to consume.
+   * @param timeUs The timestamp associated with the payload.
+   * @return Whether a sample was output.
+   * @throws ParserException If an error occurs parsing the data.
+   */
+  public final boolean consume(ParsableByteArray data, long timeUs) throws ParserException {
+    return parseHeader(data) && parsePayload(data, timeUs);
+  }
+
+  /**
+   * Parses tag header.
+   *
+   * @param data Buffer where the tag header is stored.
+   * @return Whether the header was parsed successfully.
+   * @throws ParserException If an error occurs parsing the header.
+   */
+  protected abstract boolean parseHeader(ParsableByteArray data) throws ParserException;
+
+  /**
+   * Parses tag payload.
+   *
+   * @param data Buffer where tag payload is stored.
+   * @param timeUs Time position of the frame.
+   * @return Whether a sample was output.
+   * @throws ParserException If an error occurs parsing the payload.
+   */
+  protected abstract boolean parsePayload(ParsableByteArray data, long timeUs)
+      throws ParserException;
+}