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diff --git a/libvideoeditor/lvpp/VideoEditorAudioPlayer.h b/libvideoeditor/lvpp/VideoEditorAudioPlayer.h
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+++ b/libvideoeditor/lvpp/VideoEditorAudioPlayer.h
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+/*
+ * Copyright (C) 2011 NXP Software
+ * 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 VE_AUDIO_PLAYER_H_
+
+#define VE_AUDIO_PLAYER_H_
+
+#include <media/MediaPlayerInterface.h>
+#include <media/stagefright/MediaBuffer.h>
+#include <media/stagefright/TimeSource.h>
+#include <utils/threads.h>
+#include "M4xVSS_API.h"
+#include "VideoEditorMain.h"
+#include "M4OSA_FileReader.h"
+#include "VideoEditorBGAudioProcessing.h"
+#include <media/stagefright/AudioPlayer.h>
+
+namespace android {
+
+class MediaSource;
+class AudioTrack;
+class PreviewPlayer;
+
+
+class VideoEditorAudioPlayer : public AudioPlayer {
+public:
+    enum {
+        REACHED_EOS,
+        SEEK_COMPLETE
+    };
+
+    VideoEditorAudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
+        AwesomePlayer *audioObserver = NULL);
+
+    virtual ~VideoEditorAudioPlayer();
+
+    status_t start(bool sourceAlreadyStarted = false);
+
+    void setAudioMixSettings(M4xVSS_AudioMixingSettings* pAudioMixSettings);
+    void setAudioMixPCMFileHandle(M4OSA_Context pBGAudioPCMFileHandle);
+    void setAudioMixStoryBoardSkimTimeStamp(
+        M4OSA_UInt32 pBGAudioStoryBoardSkimTimeStamp,
+        M4OSA_UInt32 pBGAudioCurrentMediaBeginCutTS,
+        M4OSA_UInt32 pBGAudioCurrentMediaVolumeVal);
+
+private:
+
+    M4xVSS_AudioMixingSettings *mAudioMixSettings;
+    VideoEditorBGAudioProcessing *mAudioProcess;
+
+    M4OSA_Context mBGAudioPCMFileHandle;
+    int64_t mBGAudioPCMFileLength;
+    int64_t mBGAudioPCMFileTrimmedLength;
+    int64_t mBGAudioPCMFileDuration;
+    int64_t mBGAudioPCMFileSeekPoint;
+    int64_t mBGAudioPCMFileOriginalSeekPoint;
+    int64_t mBGAudioStoryBoardSkimTimeStamp;
+    int64_t mBGAudioStoryBoardCurrentMediaBeginCutTS;
+    int64_t mBGAudioStoryBoardCurrentMediaVolumeVal;
+
+    size_t fillBuffer(void *data, size_t size);
+
+    void reset();
+    void setPrimaryTrackVolume(M4OSA_Int16 *data, M4OSA_UInt32 size, M4OSA_Float volLevel);
+
+    static size_t AudioSinkCallback(
+            MediaPlayerBase::AudioSink *audioSink,
+            void *data, size_t size, void *me);
+
+    VideoEditorAudioPlayer(const VideoEditorAudioPlayer &);
+    VideoEditorAudioPlayer &operator=(const VideoEditorAudioPlayer &);
+};
+
+}  // namespace android
+
+#endif  // VE_AUDIO_PLAYER_H_