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diff --git a/media/libstagefright/timedtext/TimedTextPlayer.h b/media/libstagefright/timedtext/TimedTextPlayer.h
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+++ b/media/libstagefright/timedtext/TimedTextPlayer.h
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+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef TIMEDTEXT_PLAYER_H_
+
+#define TIMEDTEXT_PLAYER_H_
+
+#include <media/MediaPlayerInterface.h>
+#include <media/stagefright/foundation/ABase.h>
+#include <media/stagefright/foundation/AString.h>
+
+#include "include/TimedEventQueue.h"
+#include "TimedTextParser.h"
+
+namespace android {
+
+class MediaSource;
+class AwesomePlayer;
+class MediaBuffer;
+
+class TimedTextPlayer {
+public:
+    TimedTextPlayer(AwesomePlayer *observer,
+                    const wp<MediaPlayerBase> &listener,
+                    TimedEventQueue *queue);
+
+    virtual ~TimedTextPlayer();
+
+    // index: the index of the text track which will
+    // be turned on
+    status_t start(uint8_t index);
+
+    void pause();
+
+    void resume();
+
+    status_t seekTo(int64_t time_us);
+
+    void addTextSource(sp<MediaSource> source);
+
+    status_t setTimedTextTrackIndex(int32_t index);
+    status_t setParameter(int key, const Parcel &request);
+
+private:
+    enum TextType {
+        kNoText        = 0,
+        kInBandText    = 1,
+        kOutOfBandText = 2,
+    };
+
+    Mutex mLock;
+
+    sp<MediaSource> mSource;
+    sp<DataSource> mOutOfBandSource;
+
+    bool mSeeking;
+    int64_t mSeekTimeUs;
+
+    bool mStarted;
+
+    sp<TimedEventQueue::Event> mTextEvent;
+    bool mTextEventPending;
+
+    TimedEventQueue *mQueue;
+
+    wp<MediaPlayerBase> mListener;
+    AwesomePlayer *mObserver;
+
+    MediaBuffer *mTextBuffer;
+    Parcel mData;
+
+    // for in-band timed text
+    Vector<sp<MediaSource> > mTextTrackVector;
+
+    // for out-of-band timed text
+    struct OutOfBandText {
+        TimedTextParser::FileType type;
+        sp<DataSource> source;
+    };
+    Vector<OutOfBandText > mTextOutOfBandVector;
+
+    sp<TimedTextParser> mTextParser;
+    AString mText;
+
+    TextType mTextType;
+
+    void reset();
+
+    void onTextEvent();
+    void postTextEvent(int64_t delayUs = -1);
+    void cancelTextEvent();
+
+    void notifyListener(
+            int msg, const void *data = NULL, size_t size = 0);
+
+    DISALLOW_EVIL_CONSTRUCTORS(TimedTextPlayer);
+};
+
+}  // namespace android
+
+#endif  // TIMEDTEXT_PLAYER_H_