diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
new file mode 100644
index 0000000..7f0e7b3
--- /dev/null
+++ b/include/media/MediaPlayerInterface.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2007 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 ANDROID_MEDIAPLAYERINTERFACE_H
+#define ANDROID_MEDIAPLAYERINTERFACE_H
+
+#ifdef __cplusplus
+
+#include <ui/ISurface.h>
+#include <utils/RefBase.h>
+
+#include <media/mediaplayer.h>
+#include <media/AudioSystem.h>
+
+namespace android {
+
+enum player_type {
+    PV_PLAYER = 1,
+    SONIVOX_PLAYER = 2,
+    VORBIS_PLAYER = 3
+};
+
+#define DEFAULT_AUDIOSINK_BUFFERCOUNT 4
+#define DEFAULT_AUDIOSINK_BUFFERSIZE 1200
+#define DEFAULT_AUDIOSINK_SAMPLERATE 44100
+
+
+// callback mechanism for passing messages to MediaPlayer object
+typedef void (*notify_callback_f)(void* cookie, int msg, int ext1, int ext2);
+
+// abstract base class - use MediaPlayerInterface
+class MediaPlayerBase : public RefBase
+{
+public:
+
+    // AudioSink: abstraction layer for audio output
+    class AudioSink : public RefBase {
+    public:
+        virtual             ~AudioSink() {}
+        virtual bool        ready() const = 0; // audio output is open and ready
+        virtual bool        realtime() const = 0; // audio output is real-time output
+        virtual ssize_t     bufferSize() const = 0;
+        virtual ssize_t     frameCount() const = 0;
+        virtual ssize_t     channelCount() const = 0;
+        virtual ssize_t     frameSize() const = 0;
+        virtual uint32_t    latency() const = 0;
+        virtual float       msecsPerFrame() const = 0;
+        virtual status_t    open(uint32_t sampleRate, int channelCount, int format=AudioSystem::PCM_16_BIT, int bufferCount=DEFAULT_AUDIOSINK_BUFFERCOUNT) = 0;
+        virtual void        start() = 0;
+        virtual ssize_t     write(const void* buffer, size_t size) = 0;
+        virtual void        stop() = 0;
+        virtual void        flush() = 0;
+        virtual void        pause() = 0;
+        virtual void        close() = 0;
+    };
+
+                        MediaPlayerBase() : mCookie(0), mNotify(0) {}
+    virtual             ~MediaPlayerBase() {}
+    virtual status_t    initCheck() = 0;
+    virtual bool        hardwareOutput() = 0;
+    virtual status_t    setDataSource(const char *url) = 0;
+    virtual status_t    setDataSource(int fd, int64_t offset, int64_t length) = 0;
+    virtual status_t    setVideoSurface(const sp<ISurface>& surface) = 0;
+    virtual status_t    prepare() = 0;
+    virtual status_t    prepareAsync() = 0;
+    virtual status_t    start() = 0;
+    virtual status_t    stop() = 0;
+    virtual status_t    pause() = 0;
+    virtual bool        isPlaying() = 0;
+    virtual status_t    seekTo(int msec) = 0;
+    virtual status_t    getCurrentPosition(int *msec) = 0;
+    virtual status_t    getDuration(int *msec) = 0;
+    virtual status_t    reset() = 0;
+    virtual status_t    setLooping(int loop) = 0;
+    virtual player_type playerType() = 0;
+    virtual void        setNotifyCallback(void* cookie, notify_callback_f notifyFunc) {
+                            mCookie = cookie; mNotify = notifyFunc; }
+
+protected:
+    virtual void        sendEvent(int msg, int ext1=0, int ext2=0) { if (mNotify) mNotify(mCookie, msg, ext1, ext2); }
+
+    void*               mCookie;
+    notify_callback_f   mNotify;
+};
+
+// Implement this class for media players that use the AudioFlinger software mixer
+class MediaPlayerInterface : public MediaPlayerBase
+{
+public:
+    virtual             ~MediaPlayerInterface() { }
+    virtual bool        hardwareOutput() { return false; }
+    virtual void        setAudioSink(const sp<AudioSink>& audioSink) { mAudioSink = audioSink; }
+protected:
+    sp<AudioSink>       mAudioSink;
+};
+
+// Implement this class for media players that output directo to hardware
+class MediaPlayerHWInterface : public MediaPlayerBase
+{
+public:
+    virtual             ~MediaPlayerHWInterface() {}
+    virtual bool        hardwareOutput() { return true; }
+    virtual status_t    setVolume(float leftVolume, float rightVolume) = 0;
+    virtual status_t    setAudioStreamType(int streamType) = 0;
+};
+
+}; // namespace android
+
+#endif // __cplusplus
+
+
+#endif // ANDROID_MEDIAPLAYERINTERFACE_H
+