1 files changed, 49 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/dvb/DvbDecoder.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/dvb/DvbDecoder.java
new file mode 100644
index 0000000000..063872ae2e
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/text/dvb/DvbDecoder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2017 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.text.dvb;
+
+import org.mozilla.thirdparty.com.google.android.exoplayer2.text.SimpleSubtitleDecoder;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.text.Subtitle;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.ParsableByteArray;
+import java.util.List;
+
+/** A {@link SimpleSubtitleDecoder} for DVB subtitles. */
+public final class DvbDecoder extends SimpleSubtitleDecoder {
+
+  private final DvbParser parser;
+
+  /**
+   * @param initializationData The initialization data for the decoder. The initialization data
+   *     must consist of a single byte array containing 5 bytes: flag_pes_stripped (1),
+   *     composition_page (2), ancillary_page (2).
+   */
+  public DvbDecoder(List<byte[]> initializationData) {
+    super("DvbDecoder");
+    ParsableByteArray data = new ParsableByteArray(initializationData.get(0));
+    int subtitleCompositionPage = data.readUnsignedShort();
+    int subtitleAncillaryPage = data.readUnsignedShort();
+    parser = new DvbParser(subtitleCompositionPage, subtitleAncillaryPage);
+  }
+
+  @Override
+  protected Subtitle decode(byte[] data, int length, boolean reset) {
+    if (reset) {
+      parser.reset();
+    }
+    return new DvbSubtitle(parser.decode(data, length));
+  }
+
+}