More source code Clean up in video editor engine

o fixed incorrect design and got rid of PreviewPlayerBase class
o removed obsolete/unused code as much as possible and reformatted the source code
o verified and passed functional tests
o More to come ...

Change-Id: I7a89162f8b9d9ea6eabcf0457366cd2f6d970d11

16 files changed, 1026 insertions, 2109 deletions

diff --git a/libvideoeditor/lvpp/Android.mk b/libvideoeditor/lvpp/Android.mk
index e2d8417..db6cb48 100755
--- a/libvideoeditor/lvpp/Android.mk
+++ b/libvideoeditor/lvpp/Android.mk
@@ -35,7 +35,6 @@ LOCAL_SRC_FILES:=          \
     DummyVideoSource.cpp \
     VideoEditorBGAudioProcessing.cpp \
     AudioPlayerBase.cpp \
-    PreviewPlayerBase.cpp \
     PreviewRenderer.cpp \
     I420ColorConverter.cpp \
     NativeWindowRenderer.cpp
diff --git a/libvideoeditor/lvpp/AudioPlayerBase.cpp b/libvideoeditor/lvpp/AudioPlayerBase.cpp
index b45f9bf..67ea43c 100644
--- a/libvideoeditor/lvpp/AudioPlayerBase.cpp
+++ b/libvideoeditor/lvpp/AudioPlayerBase.cpp
@@ -27,13 +27,13 @@
 #include <media/stagefright/MetaData.h>
 
 #include "AudioPlayerBase.h"
-#include "PreviewPlayerBase.h"
+#include "PreviewPlayer.h"
 
 namespace android {
 
 AudioPlayerBase::AudioPlayerBase(
         const sp<MediaPlayerBase::AudioSink> &audioSink,
-        PreviewPlayerBase *observer)
+        PreviewPlayer *observer)
     : mAudioTrack(NULL),
       mInputBuffer(NULL),
       mSampleRate(0),
diff --git a/libvideoeditor/lvpp/AudioPlayerBase.h b/libvideoeditor/lvpp/AudioPlayerBase.h
index 31b9fa2..b39d4a2 100644
--- a/libvideoeditor/lvpp/AudioPlayerBase.h
+++ b/libvideoeditor/lvpp/AudioPlayerBase.h
@@ -27,7 +27,7 @@ namespace android {
 
 class MediaSource;
 class AudioTrack;
-class PreviewPlayerBase;
+class PreviewPlayer;
 
 class AudioPlayerBase : public TimeSource {
 public:
@@ -37,7 +37,7 @@ public:
     };
 
     AudioPlayerBase(const sp<MediaPlayerBase::AudioSink> &audioSink,
-                PreviewPlayerBase *audioObserver = NULL);
+                PreviewPlayer *audioObserver = NULL);
 
     virtual ~AudioPlayerBase();
 
@@ -93,7 +93,7 @@ private:
     MediaBuffer *mFirstBuffer;
 
     sp<MediaPlayerBase::AudioSink> mAudioSink;
-    PreviewPlayerBase *mObserver;
+    PreviewPlayer *mObserver;
 
     static void AudioCallback(int event, void *user, void *info);
     void AudioCallback(int event, void *info);
diff --git a/libvideoeditor/lvpp/DummyAudioSource.cpp b/libvideoeditor/lvpp/DummyAudioSource.cpp
index bc38a20..1c497f9 100755
--- a/libvideoeditor/lvpp/DummyAudioSource.cpp
+++ b/libvideoeditor/lvpp/DummyAudioSource.cpp
@@ -14,149 +14,112 @@
  * limitations under the License.
  */
 
-#define LOG_NDEBUG 1
+// #define LOG_NDEBUG 0
 #define LOG_TAG "DummyAudioSource"
-#include "utils/Log.h"
-
+#include <utils/Log.h>
 #include <media/stagefright/MediaErrors.h>
 #include <media/stagefright/MediaDebug.h>
 #include <media/stagefright/MediaDefs.h>
-#include <media/stagefright/MediaBuffer.h>
 #include <media/stagefright/MediaBufferGroup.h>
 #include <media/stagefright/MetaData.h>
-
-
 #include "DummyAudioSource.h"
 
 
-
-/* Android includes*/
-#include <utils/Log.h>
-#include <memory.h>
-
-
-/*---------------------*/
-/*  DEBUG LEVEL SETUP  */
-/*---------------------*/
-#define LOG1 ALOGE    /*ERRORS Logging*/
-#define LOG2 ALOGV    /*WARNING Logging*/
-#define LOG3 //ALOGV    /*COMMENTS Logging*/
-
-/*---------------------*/
-/*  CONSTANTS          */
-/*---------------------*/
-
-
 namespace android {
 
-
-/*---------------------*/
-/*  SEEK SOURCE        */
-/*---------------------*/
-
 //static
-sp<DummyAudioSource> DummyAudioSource::Create(int32_t samplingRate,
-                                              int32_t channelCount,
-                                              int64_t frameDurationUs,
-                                              int64_t audioDurationUs) {
-    LOG2("DummyAudioSource::Create ");
-    sp<DummyAudioSource> aSource = new DummyAudioSource (samplingRate,
-                                                         channelCount,
-                                                         frameDurationUs,
-                                                         audioDurationUs);
-    return aSource;
-}
+sp<DummyAudioSource> DummyAudioSource::Create(
+        int32_t samplingRate, int32_t channelCount,
+        int64_t frameDurationUs, int64_t audioDurationUs) {
 
+    ALOGV("Create ");
+    return new DummyAudioSource(samplingRate,
+                                channelCount,
+                                frameDurationUs,
+                                audioDurationUs);
 
-DummyAudioSource::DummyAudioSource (int32_t samplingRate,
-                                    int32_t channelCount,
-                                    int64_t frameDurationUs,
-                                    int64_t audioDurationUs):
-    mSamplingRate(samplingRate),
-    mChannelCount(channelCount),
-    mFrameDurationUs(frameDurationUs),
-    mNumberOfSamplePerFrame(0),
-    mAudioDurationUs(audioDurationUs),
-    mTimeStampUs(0) ,
+}
 
-    mBufferGroup(NULL){
-    LOG2("DummyAudioSource::DummyAudioSource constructor START");
-    /* Do nothing here? */
-    LOG2("DummyAudioSource::DummyAudioSource");
-    LOG2("DummyAudioSource:: mSamplingRate = %d",samplingRate);
-    LOG2("DummyAudioSource:: mChannelCount = %d",channelCount);
-    LOG2("DummyAudioSource:: frameDurationUs = %lld",frameDurationUs);
-    LOG2("DummyAudioSource:: mAudioDurationUs = %lld",mAudioDurationUs);
+DummyAudioSource::DummyAudioSource(
+        int32_t samplingRate, int32_t channelCount,
+        int64_t frameDurationUs, int64_t audioDurationUs)
+    : mSamplingRate(samplingRate),
+      mChannelCount(channelCount),
+      mFrameDurationUs(frameDurationUs),
+      mNumberOfSamplePerFrame(0),
+      mAudioDurationUs(audioDurationUs),
+      mTimeStampUs(0),
+      mBufferGroup(NULL) {
+
+    mNumberOfSamplePerFrame = (int32_t)
+            ((1L * mSamplingRate * mFrameDurationUs)/1000000);
+    mNumberOfSamplePerFrame = mNumberOfSamplePerFrame  * mChannelCount;
 
-    LOG2("DummyAudioSource::DummyAudioSource constructor END");
+    ALOGV("Constructor: E");
+    ALOGV("samplingRate = %d", samplingRate);
+    ALOGV("channelCount = %d", channelCount);
+    ALOGV("frameDurationUs = %lld", frameDurationUs);
+    ALOGV("audioDurationUs = %lld", audioDurationUs);
+    ALOGV("mNumberOfSamplePerFrame = %d", mNumberOfSamplePerFrame);
+    ALOGV("Constructor: X");
 }
 
-
-DummyAudioSource::~DummyAudioSource () {
+DummyAudioSource::~DummyAudioSource() {
     /* Do nothing here? */
-    LOG2("DummyAudioSource::~DummyAudioSource");
+    ALOGV("~DummyAudioSource");
 }
 
-void DummyAudioSource::setDuration (int64_t audioDurationUs) {
+void DummyAudioSource::setDuration(int64_t audioDurationUs) {
+    ALOGV("setDuration: %lld us added to %lld us",
+        audioDurationUs, mAudioDurationUs);
+
     Mutex::Autolock autoLock(mLock);
-    LOG2("SetDuration %lld", mAudioDurationUs);
     mAudioDurationUs += audioDurationUs;
-    LOG2("SetDuration %lld", mAudioDurationUs);
 }
 
 status_t DummyAudioSource::start(MetaData *params) {
+    ALOGV("start: E");
     status_t err = OK;
-    LOG2("DummyAudioSource::start START");
 
     mTimeStampUs = 0;
-    mNumberOfSamplePerFrame = (int32_t) ((1L * mSamplingRate * mFrameDurationUs)/1000000);
-    mNumberOfSamplePerFrame = mNumberOfSamplePerFrame  * mChannelCount;
 
     mBufferGroup = new MediaBufferGroup;
     mBufferGroup->add_buffer(
             new MediaBuffer(mNumberOfSamplePerFrame * sizeof(int16_t)));
 
-    LOG2("DummyAudioSource:: mNumberOfSamplePerFrame = %d",mNumberOfSamplePerFrame);
-    LOG2("DummyAudioSource::start END");
+    ALOGV("start: X");
 
     return err;
 }
 
-
 status_t DummyAudioSource::stop() {
-    status_t err = OK;
-
-    LOG2("DummyAudioSource::stop START");
+    ALOGV("stop");
 
     delete mBufferGroup;
     mBufferGroup = NULL;
 
-
-    LOG2("DummyAudioSource::stop END");
-
-    return err;
+    return OK;
 }
 
 
 sp<MetaData> DummyAudioSource::getFormat() {
-    LOG2("DummyAudioSource::getFormat");
+    ALOGV("getFormat");
 
     sp<MetaData> meta = new MetaData;
-
     meta->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
     meta->setInt32(kKeyChannelCount, mChannelCount);
     meta->setInt32(kKeySampleRate, mSamplingRate);
     meta->setInt64(kKeyDuration, mFrameDurationUs);
-
     meta->setCString(kKeyDecoderComponent, "DummyAudioSource");
 
     return meta;
 }
 
-status_t DummyAudioSource::read( MediaBuffer **out, const MediaSource::ReadOptions *options) {
-    status_t err            = OK;
-    //LOG2("DummyAudioSource::read START");
-    MediaBuffer *buffer;
+status_t DummyAudioSource::read(
+        MediaBuffer **out, const MediaSource::ReadOptions *options) {
+
+    ALOGV("read: E");
+
     int64_t seekTimeUs;
     ReadOptions::SeekMode mode;
 
@@ -164,32 +127,37 @@ status_t DummyAudioSource::read( MediaBuffer **out, const MediaSource::ReadOptio
         CHECK(seekTimeUs >= 0);
         mTimeStampUs = seekTimeUs;
     }
+
     {
         Mutex::Autolock autoLock(mLock);
         if (mTimeStampUs >= mAudioDurationUs) {
+            ALOGI("read: EOS reached %lld > %lld",
+                mTimeStampUs, mAudioDurationUs);
+
             *out = NULL;
-            ALOGI("EOS reached");
             return ERROR_END_OF_STREAM;
         }
     }
 
-    err = mBufferGroup->acquire_buffer(&buffer);
+    MediaBuffer *buffer;
+    status_t err = mBufferGroup->acquire_buffer(&buffer);
     if (err != OK) {
+        ALOGE("Failed to acquire buffer from mBufferGroup: %d", err);
         return err;
     }
 
     memset((uint8_t *) buffer->data() + buffer->range_offset(),
             0, mNumberOfSamplePerFrame << 1);
-
     buffer->set_range(buffer->range_offset(), (mNumberOfSamplePerFrame << 1));
-
     buffer->meta_data()->setInt64(kKeyTime, mTimeStampUs);
-    LOG2("DummyAudioSource::read  Buffer_offset  = %d,"
-            "Buffer_Size = %d, mTimeStampUs = %lld",
-             buffer->range_offset(),buffer->size(),mTimeStampUs);
+
+    ALOGV("read: offset  = %d, size = %d, mTimeStampUs = %lld",
+             buffer->range_offset(), buffer->size(), mTimeStampUs);
+
     mTimeStampUs = mTimeStampUs + mFrameDurationUs;
     *out = buffer;
-    return err;
+
+    return OK;
 }
 
 }// namespace android
diff --git a/libvideoeditor/lvpp/DummyAudioSource.h b/libvideoeditor/lvpp/DummyAudioSource.h
index 8715b10..5f25a8c 100755
--- a/libvideoeditor/lvpp/DummyAudioSource.h
+++ b/libvideoeditor/lvpp/DummyAudioSource.h
@@ -15,44 +15,34 @@
  */
 
 #ifndef DUMMY_AUDIOSOURCE_H_
-
 #define DUMMY_AUDIOSOURCE_H_
 
-#include <utils/RefBase.h>
-#include <utils/threads.h>
-#include <media/stagefright/MediaBufferGroup.h>
 #include <media/stagefright/MediaSource.h>
-#include <media/stagefright/DataSource.h>
 
 
 namespace android {
 
-
-class MediaBuffer;
 class MetaData;
 struct MediaBufferGroup;
 
-
-
 struct DummyAudioSource : public MediaSource {
 
 public:
-    static sp<DummyAudioSource> Create(int32_t samplingRate,
-                                       int32_t channelCount,
-                                       int64_t frameDurationUs,
-                                       int64_t audioDurationUs);
+    static sp<DummyAudioSource> Create(
+                int32_t samplingRate, int32_t channelCount,
+                int64_t frameDurationUs, int64_t audioDurationUs);
+
     virtual status_t start(MetaData *params = NULL);
     virtual status_t stop();
     virtual sp<MetaData> getFormat();
-    virtual status_t read (MediaBuffer **buffer,
-                            const MediaSource::ReadOptions *options = NULL);
-    void setDuration (int64_t audioDurationUs);
+
+    virtual status_t read(
+                MediaBuffer **buffer,
+                const MediaSource::ReadOptions *options = NULL);
+
+    void setDuration(int64_t audioDurationUs);
 
 protected:
-    DummyAudioSource (int32_t samplingRate,
-                      int32_t channelCount,
-                      int64_t frameDurationUs,
-                      int64_t audioDurationUs);
     virtual ~DummyAudioSource();
 
 private:
@@ -66,6 +56,11 @@ private:
 
     MediaBufferGroup *mBufferGroup;
 
+    DummyAudioSource(
+            int32_t samplingRate, int32_t channelCount,
+            int64_t frameDurationUs, int64_t audioDurationUs);
+
+    // Don't call me
     DummyAudioSource(const DummyAudioSource &);
     DummyAudioSource &operator=(const DummyAudioSource &);
 
diff --git a/libvideoeditor/lvpp/DummyVideoSource.cpp b/libvideoeditor/lvpp/DummyVideoSource.cpp
index 02ebcb8..339d8fe 100755
--- a/libvideoeditor/lvpp/DummyVideoSource.cpp
+++ b/libvideoeditor/lvpp/DummyVideoSource.cpp
@@ -14,101 +14,98 @@
  * limitations under the License.
  */
 
-#define LOG_NDEBUG 1
+//#define LOG_NDEBUG 0
 #define LOG_TAG "DummyVideoSource"
-#include "utils/Log.h"
-
+#include <stdlib.h>
+#include <utils/Log.h>
 #include <media/stagefright/MediaErrors.h>
 #include <media/stagefright/MediaDebug.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaBuffer.h>
 #include <media/stagefright/MediaBufferGroup.h>
 #include <media/stagefright/MetaData.h>
-
+#include "VideoEditorTools.h"
 #include "DummyVideoSource.h"
 
-/* Android includes*/
-#include <utils/Log.h>
-#include <memory.h>
-
-
-#define LOG1 ALOGE    /*ERRORS Logging*/
-#define LOG2 ALOGV    /*WARNING Logging*/
-#define LOG3 //ALOGV    /*COMMENTS Logging*/
-
 
 namespace android {
 
+sp<DummyVideoSource> DummyVideoSource::Create(
+        uint32_t width, uint32_t height,
+        uint64_t clipDuration, const char *imageUri) {
+
+    ALOGV("Create");
+    return new DummyVideoSource(
+                    width, height, clipDuration, imageUri);
 
-sp<DummyVideoSource> DummyVideoSource::Create (
-            uint32_t width, uint32_t height,
-            uint64_t clipDuration, const char *imageUri) {
-    LOG2("DummyVideoSource::Create ");
-    sp<DummyVideoSource> vSource = new DummyVideoSource (
-                         width, height, clipDuration, imageUri);
-    return vSource;
 }
 
 
-DummyVideoSource::DummyVideoSource (
-            uint32_t width, uint32_t height,
-            uint64_t clipDuration, const char *imageUri) {
+DummyVideoSource::DummyVideoSource(
+        uint32_t width, uint32_t height,
+        uint64_t clipDuration, const char *imageUri) {
+
+    ALOGV("Constructor: E");
 
-    LOG2("DummyVideoSource::DummyVideoSource constructor START");
     mFrameWidth = width;
     mFrameHeight = height;
     mImageClipDuration = clipDuration;
     mUri = imageUri;
     mImageBuffer = NULL;
 
-    LOG2("DummyVideoSource::DummyVideoSource constructor END");
+    ALOGV("%s", mUri);
+    ALOGV("Constructor: X");
 }
 
 
-DummyVideoSource::~DummyVideoSource () {
+DummyVideoSource::~DummyVideoSource() {
     /* Do nothing here? */
-    LOG2("DummyVideoSource::~DummyVideoSource");
+    ALOGV("~DummyVideoSource");
 }
 
 
 
 status_t DummyVideoSource::start(MetaData *params) {
-    status_t err = OK;
-    LOG2("DummyVideoSource::start START, %s", mUri);
-    //get the frame buffer from the rgb file and store into a MediaBuffer
-    err = LvGetImageThumbNail((const char *)mUri,
-                          mFrameHeight , mFrameWidth ,
-                          (M4OSA_Void **)&mImageBuffer);
+    ALOGV("start: E");
+
+    // Get the frame buffer from the rgb file, mUri,
+    // and store its content into a MediaBuffer
+    status_t err = LvGetImageThumbNail(
+                    (const char *)mUri,
+                    mFrameHeight, mFrameWidth,
+                    (M4OSA_Void **) &mImageBuffer);
+    if (err != OK) {
+        ALOGE("LvGetImageThumbNail failed: %d", err);
+        return err;
+    }
 
     mIsFirstImageFrame = true;
     mImageSeekTime = 0;
     mImagePlayStartTime = 0;
     mFrameTimeUs = 0;
-    LOG2("DummyVideoSource::start END");
 
-    return err;
+    ALOGV("start: X");
+    return OK;
 }
 
 
 status_t DummyVideoSource::stop() {
+    ALOGV("stop");
     status_t err = OK;
 
-    LOG2("DummyVideoSource::stop START");
     if (mImageBuffer != NULL) {
         free(mImageBuffer);
         mImageBuffer = NULL;
     }
-    LOG2("DummyVideoSource::stop END");
 
     return err;
 }
 
 
 sp<MetaData> DummyVideoSource::getFormat() {
-    LOG2("DummyVideoSource::getFormat");
+    ALOGV("getFormat");
 
     sp<MetaData> meta = new MetaData;
-
     meta->setInt32(kKeyColorFormat, OMX_COLOR_FormatYUV420Planar);
     meta->setInt32(kKeyWidth, mFrameWidth);
     meta->setInt32(kKeyHeight, mFrameHeight);
@@ -119,45 +116,54 @@ sp<MetaData> DummyVideoSource::getFormat() {
 }
 
 status_t DummyVideoSource::read(
-                        MediaBuffer **out,
-                        const MediaSource::ReadOptions *options) {
-    status_t err = OK;
-    MediaBuffer *buffer;
-    LOG2("DummyVideoSource::read START");
+        MediaBuffer **out,
+        const MediaSource::ReadOptions *options) {
 
+    ALOGV("read: E");
+
+    const int32_t kTimeScale = 1000;  /* time scale in ms */
     bool seeking = false;
     int64_t seekTimeUs;
     ReadOptions::SeekMode seekMode;
-
     if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
         seeking = true;
         mImageSeekTime = seekTimeUs;
-        M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
+        M4OSA_clockGetTime(&mImagePlayStartTime, kTimeScale);
     }
 
-    if ((mImageSeekTime == mImageClipDuration) || (mFrameTimeUs == (int64_t)mImageClipDuration)) {
-        LOG2("DummyVideoSource::read() End of stream reached; return NULL buffer");
+    if ((mImageSeekTime == mImageClipDuration) ||
+        (mFrameTimeUs == (int64_t)mImageClipDuration)) {
+        ALOGV("read: EOS reached");
         *out = NULL;
         return ERROR_END_OF_STREAM;
     }
 
-    buffer = new MediaBuffer(mImageBuffer, (mFrameWidth*mFrameHeight*1.5));
+    status_t err = OK;
+    MediaBuffer *buffer = new MediaBuffer(
+            mImageBuffer, (mFrameWidth * mFrameHeight * 1.5));
 
-    //set timestamp of buffer
+    // Set timestamp of buffer
     if (mIsFirstImageFrame) {
-        M4OSA_clockGetTime(&mImagePlayStartTime, 1000); //1000 time scale for time in ms
+        M4OSA_clockGetTime(&mImagePlayStartTime, kTimeScale);
         mFrameTimeUs =  (mImageSeekTime + 1);
-        LOG2("DummyVideoSource::read() jpg 1st frame timeUs = %lld, begin cut time = %ld", mFrameTimeUs, mImageSeekTime);
+        ALOGV("read: jpg 1st frame timeUs = %lld, begin cut time = %ld",
+            mFrameTimeUs, mImageSeekTime);
+
         mIsFirstImageFrame = false;
     } else {
         M4OSA_Time  currentTimeMs;
-        M4OSA_clockGetTime(&currentTimeMs, 1000);
+        M4OSA_clockGetTime(&currentTimeMs, kTimeScale);
+
+        mFrameTimeUs = mImageSeekTime +
+            (currentTimeMs - mImagePlayStartTime) * 1000LL;
 
-        mFrameTimeUs = mImageSeekTime + (currentTimeMs - mImagePlayStartTime)*1000;
-        LOG2("DummyVideoSource::read() jpg frame timeUs = %lld", mFrameTimeUs);
+        ALOGV("read: jpg frame timeUs = %lld", mFrameTimeUs);
     }
+
     buffer->meta_data()->setInt64(kKeyTime, mFrameTimeUs);
-    buffer->set_range(buffer->range_offset(), mFrameWidth*mFrameHeight*1.5);
+    buffer->set_range(buffer->range_offset(),
+                mFrameWidth * mFrameHeight * 1.5);
+
     *out = buffer;
     return err;
 }
diff --git a/libvideoeditor/lvpp/DummyVideoSource.h b/libvideoeditor/lvpp/DummyVideoSource.h
index 28c33c3..16514f2 100755
--- a/libvideoeditor/lvpp/DummyVideoSource.h
+++ b/libvideoeditor/lvpp/DummyVideoSource.h
@@ -15,43 +15,34 @@
  */
 
 #ifndef DUMMY_VIDEOSOURCE_H_
-
 #define DUMMY_VIDEOSOURCE_H_
 
-#include <utils/RefBase.h>
-#include <utils/threads.h>
 #include <media/stagefright/MediaSource.h>
-#include <media/stagefright/DataSource.h>
-#include "OMX_IVCommon.h"
-#include "VideoEditorTools.h"
 #include "M4OSA_Clock.h"
 #include "M4OSA_Time.h"
 #include "M4OSA_Types.h"
 
-
 namespace android {
 
-
 class  MediaBuffer;
 class  MetaData;
 
 struct DummyVideoSource : public MediaSource {
 
 public:
-    static sp<DummyVideoSource> Create(uint32_t width, 
-                                       uint32_t height, 
-                                       uint64_t clipDuration, 
-                                       const char *imageUri);
+    static sp<DummyVideoSource> Create(
+                uint32_t width, uint32_t height,
+                uint64_t clipDuration, const char *imageUri);
 
     virtual status_t start(MetaData *params = NULL);
     virtual status_t stop();
     virtual sp<MetaData> getFormat();
-    virtual status_t read(MediaBuffer **buffer, 
-                          const MediaSource::ReadOptions *options = NULL);
+
+    virtual status_t read(
+                MediaBuffer **buffer,
+                const MediaSource::ReadOptions *options = NULL);
 
 protected:
-    DummyVideoSource (uint32_t width, uint32_t height, 
-                      uint64_t clipDuration, const char *imageUri);
     virtual ~DummyVideoSource();
 
 private:
@@ -65,6 +56,11 @@ private:
     M4OSA_Time mImagePlayStartTime;
     uint32_t mImageSeekTime;
 
+    DummyVideoSource(
+            uint32_t width, uint32_t height,
+            uint64_t clipDuration, const char *imageUri);
+
+    // Don't call me
     DummyVideoSource(const DummyVideoSource &);
     DummyVideoSource &operator=(const DummyVideoSource &);
 
diff --git a/libvideoeditor/lvpp/PreviewPlayer.cpp b/libvideoeditor/lvpp/PreviewPlayer.cpp
index 9d2154a..77c70a5 100755
--- a/libvideoeditor/lvpp/PreviewPlayer.cpp
+++ b/libvideoeditor/lvpp/PreviewPlayer.cpp
@@ -15,36 +15,45 @@
  */
 
 
-#define LOG_NDEBUG 1
+// #define LOG_NDEBUG 0
 #define LOG_TAG "PreviewPlayer"
 #include <utils/Log.h>
 
-#include <dlfcn.h>
-
-#include "PreviewPlayer.h"
-#include "DummyAudioSource.h"
-#include "DummyVideoSource.h"
-#include "VideoEditorSRC.h"
-#include "include/NuCachedSource2.h"
-#include "include/ThrottledSource.h"
-
-
 #include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+#include <media/IMediaPlayerService.h>
 #include <media/stagefright/DataSource.h>
 #include <media/stagefright/MediaBuffer.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaExtractor.h>
-#include <media/stagefright/MediaDebug.h>
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/MetaData.h>
 #include <media/stagefright/OMXCodec.h>
-
+#include <media/stagefright/foundation/ADebug.h>
 #include <surfaceflinger/Surface.h>
-#include <media/stagefright/foundation/ALooper.h>
+#include <gui/ISurfaceTexture.h>
+#include <gui/SurfaceTextureClient.h>
+#include <surfaceflinger/ISurfaceComposer.h>
+
+#include "VideoEditorPreviewController.h"
+#include "AudioPlayerBase.h"
+#include "DummyAudioSource.h"
+#include "DummyVideoSource.h"
+#include "VideoEditorSRC.h"
+#include "PreviewPlayer.h"
 
 namespace android {
 
 
+void addBatteryData(uint32_t params) {
+    sp<IBinder> binder =
+        defaultServiceManager()->getService(String16("media.player"));
+    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
+    CHECK(service.get() != NULL);
+
+    service->addBatteryData(params);
+}
+
 struct PreviewPlayerEvent : public TimedEventQueue::Event {
     PreviewPlayerEvent(
             PreviewPlayer *player,
@@ -69,12 +78,25 @@ private:
 };
 
 PreviewPlayer::PreviewPlayer(NativeWindowRenderer* renderer)
-    : PreviewPlayerBase(),
+    : mQueueStarted(false),
+      mTimeSource(NULL),
+      mVideoRendererIsPreview(false),
+      mAudioPlayer(NULL),
+      mDisplayWidth(0),
+      mDisplayHeight(0),
+      mFlags(0),
+      mExtractorFlags(0),
+      mVideoBuffer(NULL),
+      mLastVideoTimeUs(-1),
       mNativeWindowRenderer(renderer),
       mCurrFramingEffectIndex(0),
       mFrameRGBBuffer(NULL),
       mFrameYUVBuffer(NULL) {
 
+    CHECK_EQ(mClient.connect(), (status_t)OK);
+    DataSource::RegisterDefaultSniffers();
+
+
     mVideoRenderer = NULL;
     mEffectsSettings = NULL;
     mVeAudioPlayer = NULL;
@@ -92,16 +114,14 @@ PreviewPlayer::PreviewPlayer(NativeWindowRenderer* renderer)
 
     mVideoEvent = new PreviewPlayerEvent(this, &PreviewPlayer::onVideoEvent);
     mVideoEventPending = false;
-    mStreamDoneEvent = new PreviewPlayerEvent(this,
-         &PreviewPlayer::onStreamDone);
-
-    mStreamDoneEventPending = false;
-
+    mVideoLagEvent = new PreviewPlayerEvent(this, &PreviewPlayer::onVideoLagUpdate);
+    mVideoEventPending = false;
     mCheckAudioStatusEvent = new PreviewPlayerEvent(
-        this, &PreviewPlayerBase::onCheckAudioStatus);
-
+            this, &PreviewPlayer::onCheckAudioStatus);
     mAudioStatusEventPending = false;
-
+    mStreamDoneEvent = new PreviewPlayerEvent(
+            this, &PreviewPlayer::onStreamDone);
+    mStreamDoneEventPending = false;
     mProgressCbEvent = new PreviewPlayerEvent(this,
          &PreviewPlayer::onProgressCbEvent);
 
@@ -126,18 +146,25 @@ PreviewPlayer::~PreviewPlayer() {
     if (mVideoRenderer) {
         mNativeWindowRenderer->destroyRenderInput(mVideoRenderer);
     }
+
+    Mutex::Autolock lock(mLock);
+    clear_l();
+    mClient.disconnect();
 }
 
-void PreviewPlayer::cancelPlayerEvents() {
+void PreviewPlayer::cancelPlayerEvents_l(bool updateProgressCb) {
     mQueue.cancelEvent(mVideoEvent->eventID());
     mVideoEventPending = false;
     mQueue.cancelEvent(mStreamDoneEvent->eventID());
     mStreamDoneEventPending = false;
     mQueue.cancelEvent(mCheckAudioStatusEvent->eventID());
     mAudioStatusEventPending = false;
-
-    mQueue.cancelEvent(mProgressCbEvent->eventID());
-    mProgressCbEventPending = false;
+    mQueue.cancelEvent(mVideoLagEvent->eventID());
+    mVideoLagEventPending = false;
+    if (updateProgressCb) {
+        mQueue.cancelEvent(mProgressCbEvent->eventID());
+        mProgressCbEventPending = false;
+    }
 }
 
 status_t PreviewPlayer::setDataSource(const char *path) {
@@ -194,11 +221,8 @@ status_t PreviewPlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
 
     /* Add the support for Dummy audio*/
     if( !haveAudio ){
-        ALOGV("PreviewPlayer: setDataSource_l Dummyaudiocreation started");
-
         mAudioTrack = DummyAudioSource::Create(32000, 2, 20000,
                                               ((mPlayEndTimeMsec)*1000LL));
-        ALOGV("PreviewPlayer: setDataSource_l Dummyauiosource created");
         if(mAudioTrack != NULL) {
             haveAudio = true;
         }
@@ -213,18 +237,18 @@ status_t PreviewPlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
 }
 
 status_t PreviewPlayer::setDataSource_l_jpg() {
+    ALOGV("setDataSource_l_jpg");
+
     M4OSA_ERR err = M4NO_ERROR;
-    ALOGV("PreviewPlayer: setDataSource_l_jpg started");
 
     mAudioSource = DummyAudioSource::Create(32000, 2, 20000,
                                           ((mPlayEndTimeMsec)*1000LL));
-    ALOGV("PreviewPlayer: setDataSource_l_jpg Dummyaudiosource created");
     if(mAudioSource != NULL) {
         setAudioSource(mAudioSource);
     }
     status_t error = mAudioSource->start();
     if (error != OK) {
-        ALOGV("Error starting dummy audio source");
+        ALOGE("Error starting dummy audio source");
         mAudioSource.clear();
         return err;
     }
@@ -246,11 +270,6 @@ status_t PreviewPlayer::setDataSource_l_jpg() {
     return OK;
 }
 
-void PreviewPlayer::reset() {
-    Mutex::Autolock autoLock(mLock);
-    reset_l();
-}
-
 void PreviewPlayer::reset_l() {
 
     if (mFlags & PREPARING) {
@@ -261,7 +280,7 @@ void PreviewPlayer::reset_l() {
         mPreparedCondition.wait(mLock);
     }
 
-    cancelPlayerEvents();
+    cancelPlayerEvents_l();
     mAudioTrack.clear();
     mVideoTrack.clear();
 
@@ -328,6 +347,7 @@ void PreviewPlayer::reset_l() {
 }
 
 status_t PreviewPlayer::play() {
+    ALOGV("play");
     Mutex::Autolock autoLock(mLock);
 
     mFlags &= ~CACHE_UNDERRUN;
@@ -336,6 +356,7 @@ status_t PreviewPlayer::play() {
 }
 
 status_t PreviewPlayer::startAudioPlayer_l() {
+    ALOGV("startAudioPlayer_l");
     CHECK(!(mFlags & AUDIO_RUNNING));
 
     if (mAudioSource == NULL || mAudioPlayer == NULL) {
@@ -366,6 +387,7 @@ status_t PreviewPlayer::startAudioPlayer_l() {
 }
 
 status_t PreviewPlayer::setAudioPlayer(AudioPlayerBase *audioPlayer) {
+    ALOGV("setAudioPlayer");
     Mutex::Autolock autoLock(mLock);
     CHECK(!(mFlags & PLAYING));
     mAudioPlayer = audioPlayer;
@@ -428,6 +450,7 @@ status_t PreviewPlayer::setAudioPlayer(AudioPlayerBase *audioPlayer) {
 }
 
 void PreviewPlayer::onStreamDone() {
+    ALOGV("onStreamDone");
     // Posted whenever any stream finishes playing.
 
     Mutex::Autolock autoLock(mLock);
@@ -496,6 +519,7 @@ void PreviewPlayer::onStreamDone() {
 
 
 status_t PreviewPlayer::play_l() {
+    ALOGV("play_l");
 
     mFlags &= ~SEEK_PREVIEW;
 
@@ -658,9 +682,8 @@ status_t PreviewPlayer::initRenderer_l() {
 
 
 status_t PreviewPlayer::seekTo(int64_t timeUs) {
-
+    Mutex::Autolock autoLock(mLock);
     if ((mExtractorFlags & MediaExtractor::CAN_SEEK) || (mIsVideoSourceJpg)) {
-        Mutex::Autolock autoLock(mLock);
         return seekTo_l(timeUs);
     }
 
@@ -683,7 +706,7 @@ status_t PreviewPlayer::getVideoDimensions(
 }
 
 
-status_t PreviewPlayer::initAudioDecoder() {
+status_t PreviewPlayer::initAudioDecoder_l() {
     sp<MetaData> meta = mAudioTrack->getFormat();
     const char *mime;
     CHECK(meta->findCString(kKeyMIMEType, &mime));
@@ -698,7 +721,6 @@ status_t PreviewPlayer::initAudioDecoder() {
                 mAudioTrack);
 
         if(aRawSource != NULL) {
-            ALOGV("initAudioDecoder: new VideoEditorSRC");
             mAudioSource = new VideoEditorSRC(aRawSource);
         }
     }
@@ -706,10 +728,7 @@ status_t PreviewPlayer::initAudioDecoder() {
     if (mAudioSource != NULL) {
         int64_t durationUs;
         if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
-            Mutex::Autolock autoLock(mMiscStateLock);
-            if (mDurationUs < 0 || durationUs > mDurationUs) {
-                mDurationUs = durationUs;
-            }
+            setDuration_l(durationUs);
         }
         status_t err = mAudioSource->start();
 
@@ -727,9 +746,7 @@ status_t PreviewPlayer::initAudioDecoder() {
     return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
 }
 
-
-status_t PreviewPlayer::initVideoDecoder(uint32_t flags) {
-
+status_t PreviewPlayer::initVideoDecoder_l(uint32_t flags) {
     initRenderer_l();
 
     if (mVideoRenderer == NULL) {
@@ -746,10 +763,7 @@ status_t PreviewPlayer::initVideoDecoder(uint32_t flags) {
     if (mVideoSource != NULL) {
         int64_t durationUs;
         if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
-            Mutex::Autolock autoLock(mMiscStateLock);
-            if (mDurationUs < 0 || durationUs > mDurationUs) {
-                mDurationUs = durationUs;
-            }
+            setDuration_l(durationUs);
         }
 
         updateSizeToRender(mVideoTrack->getFormat());
@@ -821,7 +835,7 @@ void PreviewPlayer::onVideoEvent() {
             options.clearSeekTo();
 
             if (err != OK) {
-                CHECK_EQ(mVideoBuffer, NULL);
+                CHECK(!mVideoBuffer);
 
                 if (err == INFO_FORMAT_CHANGED) {
                     ALOGV("LV PLAYER VideoSource signalled format change");
@@ -892,16 +906,11 @@ void PreviewPlayer::onVideoEvent() {
 
     int64_t timeUs;
     CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
+    setPosition_l(timeUs);
 
-    {
-        Mutex::Autolock autoLock(mMiscStateLock);
-        mVideoTimeUs = timeUs;
-    }
-
-
-    if(!mStartNextPlayer) {
-        int64_t playbackTimeRemaining = (mPlayEndTimeMsec*1000LL) - timeUs;
-        if(playbackTimeRemaining <= 1500000) {
+    if (!mStartNextPlayer) {
+        int64_t playbackTimeRemaining = (mPlayEndTimeMsec * 1000LL) - timeUs;
+        if (playbackTimeRemaining <= 1500000) {
             //When less than 1.5 sec of playback left
             // send notification to start next player
 
@@ -1047,7 +1056,7 @@ void PreviewPlayer::onVideoEvent() {
                 mCurrFramingEffectIndex = index;
                 mOverlayUpdateEventPosted = true;
                 postOverlayUpdateEvent_l();
-                ALOGV("Framing index = %d", mCurrFramingEffectIndex);
+                ALOGV("Framing index = %ld", mCurrFramingEffectIndex);
             } else {
                 ALOGV("No framing effects found");
             }
@@ -1100,11 +1109,13 @@ void PreviewPlayer::onVideoEvent() {
 }
 
 status_t PreviewPlayer::prepare() {
+    ALOGV("prepare");
     Mutex::Autolock autoLock(mLock);
     return prepare_l();
 }
 
 status_t PreviewPlayer::prepare_l() {
+    ALOGV("prepare_l");
     if (mFlags & PREPARED) {
         return OK;
     }
@@ -1127,7 +1138,14 @@ status_t PreviewPlayer::prepare_l() {
     return mPrepareResult;
 }
 
+status_t PreviewPlayer::prepareAsync() {
+    ALOGV("prepareAsync");
+    Mutex::Autolock autoLock(mLock);
+    return prepareAsync_l();
+}
+
 status_t PreviewPlayer::prepareAsync_l() {
+    ALOGV("prepareAsync_l");
     if (mFlags & PREPARING) {
         return UNKNOWN_ERROR;  // async prepare already pending
     }
@@ -1168,27 +1186,19 @@ status_t PreviewPlayer::finishSetDataSource_l() {
     }
 
     if (extractor == NULL) {
-        ALOGV("PreviewPlayer::finishSetDataSource_l  extractor == NULL");
+        ALOGV("finishSetDataSource_l: failed to create extractor");
         return setDataSource_l_jpg();
     }
 
     return setDataSource_l(extractor);
 }
 
-
-// static
-bool PreviewPlayer::ContinuePreparation(void *cookie) {
-    PreviewPlayer *me = static_cast<PreviewPlayer *>(cookie);
-
-    return (me->mFlags & PREPARE_CANCELLED) == 0;
-}
-
 void PreviewPlayer::onPrepareAsyncEvent() {
     Mutex::Autolock autoLock(mLock);
     ALOGV("onPrepareAsyncEvent");
 
     if (mFlags & PREPARE_CANCELLED) {
-        ALOGV("LV PLAYER prepare was cancelled before doing anything");
+        ALOGV("prepare was cancelled before doing anything");
         abortPrepare(UNKNOWN_ERROR);
         return;
     }
@@ -1203,7 +1213,7 @@ void PreviewPlayer::onPrepareAsyncEvent() {
     }
 
     if (mVideoTrack != NULL && mVideoSource == NULL) {
-        status_t err = initVideoDecoder(OMXCodec::kHardwareCodecsOnly);
+        status_t err = initVideoDecoder_l(OMXCodec::kHardwareCodecsOnly);
 
         if (err != OK) {
             abortPrepare(err);
@@ -1212,7 +1222,7 @@ void PreviewPlayer::onPrepareAsyncEvent() {
     }
 
     if (mAudioTrack != NULL && mAudioSource == NULL) {
-        status_t err = initAudioDecoder();
+        status_t err = initAudioDecoder_l();
 
         if (err != OK) {
             abortPrepare(err);
@@ -1224,15 +1234,13 @@ void PreviewPlayer::onPrepareAsyncEvent() {
 }
 
 void PreviewPlayer::finishAsyncPrepare_l() {
+    ALOGV("finishAsyncPrepare_l");
     if (mIsAsyncPrepare) {
         if (mVideoSource == NULL) {
-            ALOGV("finishAsyncPrepare_l: MEDIA_SET_VIDEO_SIZE 0 0 ");
             notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
         } else {
-            ALOGV("finishAsyncPrepare_l: MEDIA_SET_VIDEO_SIZE");
             notifyVideoSize_l();
         }
-        ALOGV("finishAsyncPrepare_l: MEDIA_PREPARED");
         notifyListener_l(MEDIA_PREPARED);
     }
 
@@ -1254,36 +1262,36 @@ void PreviewPlayer::releaseLock() {
 }
 
 status_t PreviewPlayer::loadEffectsSettings(
-                    M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects) {
-    M4OSA_UInt32 i = 0, rgbSize = 0;
-    M4VIFI_UInt8 *tmp = M4OSA_NULL;
+        M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects) {
 
+    ALOGV("loadEffectsSettings");
     mNumberEffects = nEffects;
     mEffectsSettings = pEffectSettings;
     return OK;
 }
 
 status_t PreviewPlayer::loadAudioMixSettings(
-                    M4xVSS_AudioMixingSettings* pAudioMixSettings) {
+        M4xVSS_AudioMixingSettings* pAudioMixSettings) {
 
-    ALOGV("PreviewPlayer: loadAudioMixSettings: ");
+    ALOGV("loadAudioMixSettings");
     mPreviewPlayerAudioMixSettings = pAudioMixSettings;
     return OK;
 }
 
 status_t PreviewPlayer::setAudioMixPCMFileHandle(
-                    M4OSA_Context pAudioMixPCMFileHandle) {
+        M4OSA_Context pAudioMixPCMFileHandle) {
 
-    ALOGV("PreviewPlayer: setAudioMixPCMFileHandle: ");
+    ALOGV("setAudioMixPCMFileHandle");
     mAudioMixPCMFileHandle = pAudioMixPCMFileHandle;
     return OK;
 }
 
 status_t PreviewPlayer::setAudioMixStoryBoardParam(
-                    M4OSA_UInt32 audioMixStoryBoardTS,
-                    M4OSA_UInt32 currentMediaBeginCutTime,
-                    M4OSA_UInt32 primaryTrackVolValue ) {
+        M4OSA_UInt32 audioMixStoryBoardTS,
+        M4OSA_UInt32 currentMediaBeginCutTime,
+        M4OSA_UInt32 primaryTrackVolValue ) {
 
+    ALOGV("setAudioMixStoryBoardParam");
     mAudioMixStoryBoardTS = audioMixStoryBoardTS;
     mCurrentMediaBeginCutTime = currentMediaBeginCutTime;
     mCurrentMediaVolumeValue = primaryTrackVolValue;
@@ -1305,7 +1313,7 @@ status_t PreviewPlayer::setPlaybackEndTime(uint32_t msec) {
 status_t PreviewPlayer::setStoryboardStartTime(uint32_t msec) {
 
     mStoryboardStartTimeMsec = msec;
-    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec*1000LL;
+    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec * 1000LL;
     return OK;
 }
 
@@ -1322,17 +1330,16 @@ status_t PreviewPlayer::setMediaRenderingMode(
 
     mRenderingMode = mode;
 
-    status_t err = OK;
     /* get the video width and height by resolution */
-    err = getVideoSizeByResolution(outputVideoSize,
-              &mOutputVideoWidth, &mOutputVideoHeight);
+    return getVideoSizeByResolution(
+                outputVideoSize,
+                    &mOutputVideoWidth, &mOutputVideoHeight);
 
-    return err;
 }
 
 status_t PreviewPlayer::resetJniCallbackTimeStamp() {
 
-    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec*1000LL;
+    mDecVideoTsStoryBoard = mStoryboardStartTimeMsec * 1000LL;
     return OK;
 }
 
@@ -1354,10 +1361,9 @@ void PreviewPlayer::onProgressCbEvent() {
     mProgressCbEventPending = false;
     // If playback starts from previous I-frame,
     // then send frame storyboard duration
-    if((mDecodedVideoTs/1000) < mPlayBeginTimeMsec) {
+    if ((mDecodedVideoTs/1000) < mPlayBeginTimeMsec) {
         notifyListener_l(MEDIA_INFO, 0, mDecVideoTsStoryBoard/1000);
-    }
-    else {
+    } else {
         notifyListener_l(MEDIA_INFO, 0,
         (((mDecodedVideoTs+mDecVideoTsStoryBoard)/1000)-mPlayBeginTimeMsec));
     }
@@ -1379,18 +1385,13 @@ void PreviewPlayer::onUpdateOverlayEvent() {
     }
     mOverlayUpdateEventPending = false;
 
-    int updateState;
-    if (mOverlayUpdateEventPosted) {
-        updateState = 1;
-    } else {
-        updateState = 0;
-    }
+    int updateState = mOverlayUpdateEventPosted? 1: 0;
     notifyListener_l(0xBBBBBBBB, updateState, mCurrFramingEffectIndex);
 }
 
 
 void PreviewPlayer::setVideoPostProcessingNode(
-                    M4VSS3GPP_VideoEffectType type, M4OSA_Bool enable) {
+        M4VSS3GPP_VideoEffectType type, M4OSA_Bool enable) {
 
     uint32_t effect = VIDEO_EFFECT_NONE;
 
@@ -1445,18 +1446,17 @@ void PreviewPlayer::setVideoPostProcessingNode(
             break;
     }
 
-    if(enable == M4OSA_TRUE) {
+    if (enable == M4OSA_TRUE) {
         //If already set, then no need to set again
-        if(!(mCurrentVideoEffect & effect)) {
+        if (!(mCurrentVideoEffect & effect)) {
             mCurrentVideoEffect |= effect;
-            if(effect == VIDEO_EFFECT_FIFTIES) {
+            if (effect == VIDEO_EFFECT_FIFTIES) {
                 mIsFiftiesEffectStarted = true;
             }
         }
-    }
-    else  {
+    } else  {
         //Reset only if already set
-        if(mCurrentVideoEffect & effect) {
+        if (mCurrentVideoEffect & effect) {
             mCurrentVideoEffect &= ~effect;
         }
     }
@@ -1469,12 +1469,12 @@ status_t PreviewPlayer::setImageClipProperties(uint32_t width,uint32_t height) {
 }
 
 status_t PreviewPlayer::readFirstVideoFrame() {
-    ALOGV("PreviewPlayer::readFirstVideoFrame");
+    ALOGV("readFirstVideoFrame");
 
     if (!mVideoBuffer) {
         MediaSource::ReadOptions options;
         if (mSeeking != NO_SEEK) {
-            ALOGV("LV PLAYER seeking to %lld us (%.2f secs)", mSeekTimeUs,
+            ALOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs,
                     mSeekTimeUs / 1E6);
 
             options.setSeekTo(
@@ -1485,10 +1485,10 @@ status_t PreviewPlayer::readFirstVideoFrame() {
             options.clearSeekTo();
 
             if (err != OK) {
-                CHECK_EQ(mVideoBuffer, NULL);
+                CHECK(!mVideoBuffer);
 
                 if (err == INFO_FORMAT_CHANGED) {
-                    ALOGV("LV PLAYER VideoSource signalled format change");
+                    ALOGV("VideoSource signalled format change");
                     notifyVideoSize_l();
 
                     if (mVideoRenderer != NULL) {
@@ -1502,7 +1502,7 @@ status_t PreviewPlayer::readFirstVideoFrame() {
                     updateSizeToRender(mVideoSource->getFormat());
                     continue;
                 }
-                ALOGV("PreviewPlayer: onVideoEvent EOS reached.");
+                ALOGV("EOS reached.");
                 mFlags |= VIDEO_AT_EOS;
                 mFlags |= AUDIO_AT_EOS;
                 postStreamDoneEvent_l(err);
@@ -1529,7 +1529,7 @@ status_t PreviewPlayer::readFirstVideoFrame() {
                     continue;
                 }
             } else {
-                if((videoTimeUs/1000) < mPlayBeginTimeMsec) {
+                if ((videoTimeUs/1000) < mPlayBeginTimeMsec) {
                     // buffers are before begin cut time
                     // ignore them
                     mVideoBuffer->release();
@@ -1543,11 +1543,7 @@ status_t PreviewPlayer::readFirstVideoFrame() {
 
     int64_t timeUs;
     CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
-
-    {
-        Mutex::Autolock autoLock(mMiscStateLock);
-        mVideoTimeUs = timeUs;
-    }
+    setPosition_l(timeUs);
 
     mDecodedVideoTs = timeUs;
 
@@ -1566,4 +1562,529 @@ void PreviewPlayer::updateSizeToRender(sp<MetaData> meta) {
     }
 }
 
+void PreviewPlayer::setListener(const wp<MediaPlayerBase> &listener) {
+    Mutex::Autolock autoLock(mLock);
+    mListener = listener;
+}
+
+status_t PreviewPlayer::setDataSource(const sp<IStreamSource> &source) {
+    return INVALID_OPERATION;
+}
+
+void PreviewPlayer::reset() {
+    Mutex::Autolock autoLock(mLock);
+    reset_l();
+}
+
+void PreviewPlayer::clear_l() {
+    mDisplayWidth = 0;
+    mDisplayHeight = 0;
+
+    if (mFlags & PLAYING) {
+        updateBatteryUsage_l();
+    }
+
+    if (mFlags & PREPARING) {
+        mFlags |= PREPARE_CANCELLED;
+
+        if (mFlags & PREPARING_CONNECTED) {
+            // We are basically done preparing, we're just buffering
+            // enough data to start playback, we can safely interrupt that.
+            finishAsyncPrepare_l();
+        }
+    }
+
+    while (mFlags & PREPARING) {
+        mPreparedCondition.wait(mLock);
+    }
+
+    cancelPlayerEvents_l(true);
+
+    mAudioTrack.clear();
+    mVideoTrack.clear();
+
+    // Shutdown audio first, so that the respone to the reset request
+    // appears to happen instantaneously as far as the user is concerned
+    // If we did this later, audio would continue playing while we
+    // shutdown the video-related resources and the player appear to
+    // not be as responsive to a reset request.
+    if (mAudioPlayer == NULL && mAudioSource != NULL) {
+        // If we had an audio player, it would have effectively
+        // taken possession of the audio source and stopped it when
+        // _it_ is stopped. Otherwise this is still our responsibility.
+        mAudioSource->stop();
+    }
+    mAudioSource.clear();
+
+    mTimeSource = NULL;
+
+    delete mAudioPlayer;
+    mAudioPlayer = NULL;
+
+    if (mVideoSource != NULL) {
+        shutdownVideoDecoder_l();
+    }
+
+    mDurationUs = -1;
+    mFlags = 0;
+    mExtractorFlags = 0;
+    mTimeSourceDeltaUs = 0;
+    mVideoTimeUs = 0;
+
+    mSeeking = NO_SEEK;
+    mSeekNotificationSent = false;
+    mSeekTimeUs = 0;
+
+    mUri.setTo("");
+
+    mBitrate = -1;
+    mLastVideoTimeUs = -1;
+}
+
+void PreviewPlayer::notifyListener_l(int msg, int ext1, int ext2) {
+    if (mListener != NULL) {
+        sp<MediaPlayerBase> listener = mListener.promote();
+
+        if (listener != NULL) {
+            listener->sendEvent(msg, ext1, ext2);
+        }
+    }
+}
+
+void PreviewPlayer::onVideoLagUpdate() {
+    Mutex::Autolock autoLock(mLock);
+    if (!mVideoLagEventPending) {
+        return;
+    }
+    mVideoLagEventPending = false;
+
+    int64_t audioTimeUs = mAudioPlayer->getMediaTimeUs();
+    int64_t videoLateByUs = audioTimeUs - mVideoTimeUs;
+
+    if (!(mFlags & VIDEO_AT_EOS) && videoLateByUs > 300000ll) {
+        ALOGV("video late by %lld ms.", videoLateByUs / 1000ll);
+
+        notifyListener_l(
+                MEDIA_INFO,
+                MEDIA_INFO_VIDEO_TRACK_LAGGING,
+                videoLateByUs / 1000ll);
+    }
+
+    postVideoLagEvent_l();
+}
+
+void PreviewPlayer::notifyVideoSize_l() {
+    sp<MetaData> meta = mVideoSource->getFormat();
+
+    int32_t vWidth, vHeight;
+    int32_t cropLeft, cropTop, cropRight, cropBottom;
+
+    CHECK(meta->findInt32(kKeyWidth, &vWidth));
+    CHECK(meta->findInt32(kKeyHeight, &vHeight));
+
+    mGivenWidth = vWidth;
+    mGivenHeight = vHeight;
+
+    if (!meta->findRect(
+                kKeyCropRect, &cropLeft, &cropTop, &cropRight, &cropBottom)) {
+
+        cropLeft = cropTop = 0;
+        cropRight = vWidth - 1;
+        cropBottom = vHeight - 1;
+
+        ALOGD("got dimensions only %d x %d", vWidth, vHeight);
+    } else {
+        ALOGD("got crop rect %d, %d, %d, %d",
+             cropLeft, cropTop, cropRight, cropBottom);
+    }
+
+    mCropRect.left = cropLeft;
+    mCropRect.right = cropRight;
+    mCropRect.top = cropTop;
+    mCropRect.bottom = cropBottom;
+
+    int32_t displayWidth;
+    if (meta->findInt32(kKeyDisplayWidth, &displayWidth)) {
+        ALOGV("Display width changed (%d=>%d)", mDisplayWidth, displayWidth);
+        mDisplayWidth = displayWidth;
+    }
+    int32_t displayHeight;
+    if (meta->findInt32(kKeyDisplayHeight, &displayHeight)) {
+        ALOGV("Display height changed (%d=>%d)", mDisplayHeight, displayHeight);
+        mDisplayHeight = displayHeight;
+    }
+
+    int32_t usableWidth = cropRight - cropLeft + 1;
+    int32_t usableHeight = cropBottom - cropTop + 1;
+    if (mDisplayWidth != 0) {
+        usableWidth = mDisplayWidth;
+    }
+    if (mDisplayHeight != 0) {
+        usableHeight = mDisplayHeight;
+    }
+
+    int32_t rotationDegrees;
+    if (!mVideoTrack->getFormat()->findInt32(
+                kKeyRotation, &rotationDegrees)) {
+        rotationDegrees = 0;
+    }
+
+    if (rotationDegrees == 90 || rotationDegrees == 270) {
+        notifyListener_l(
+                MEDIA_SET_VIDEO_SIZE, usableHeight, usableWidth);
+    } else {
+        notifyListener_l(
+                MEDIA_SET_VIDEO_SIZE, usableWidth, usableHeight);
+    }
+}
+
+status_t PreviewPlayer::pause() {
+    Mutex::Autolock autoLock(mLock);
+
+    mFlags &= ~CACHE_UNDERRUN;
+
+    return pause_l();
+}
+
+status_t PreviewPlayer::pause_l(bool at_eos) {
+    if (!(mFlags & PLAYING)) {
+        return OK;
+    }
+
+    cancelPlayerEvents_l();
+
+    if (mAudioPlayer != NULL && (mFlags & AUDIO_RUNNING)) {
+        if (at_eos) {
+            // If we played the audio stream to completion we
+            // want to make sure that all samples remaining in the audio
+            // track's queue are played out.
+            mAudioPlayer->pause(true /* playPendingSamples */);
+        } else {
+            mAudioPlayer->pause();
+        }
+
+        mFlags &= ~AUDIO_RUNNING;
+    }
+
+    mFlags &= ~PLAYING;
+    updateBatteryUsage_l();
+
+    return OK;
+}
+
+bool PreviewPlayer::isPlaying() const {
+    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
+}
+
+void PreviewPlayer::setSurface(const sp<Surface> &surface) {
+    Mutex::Autolock autoLock(mLock);
+
+    mSurface = surface;
+    setNativeWindow_l(surface);
+}
+
+void PreviewPlayer::setSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) {
+    Mutex::Autolock autoLock(mLock);
+
+    mSurface.clear();
+    if (surfaceTexture != NULL) {
+        setNativeWindow_l(new SurfaceTextureClient(surfaceTexture));
+    }
+}
+
+void PreviewPlayer::shutdownVideoDecoder_l() {
+    if (mVideoBuffer) {
+        mVideoBuffer->release();
+        mVideoBuffer = NULL;
+    }
+
+    mVideoSource->stop();
+
+    // The following hack is necessary to ensure that the OMX
+    // component is completely released by the time we may try
+    // to instantiate it again.
+    wp<MediaSource> tmp = mVideoSource;
+    mVideoSource.clear();
+    while (tmp.promote() != NULL) {
+        usleep(1000);
+    }
+    IPCThreadState::self()->flushCommands();
+}
+
+void PreviewPlayer::setNativeWindow_l(const sp<ANativeWindow> &native) {
+    mNativeWindow = native;
+
+    if (mVideoSource == NULL) {
+        return;
+    }
+
+    ALOGI("attempting to reconfigure to use new surface");
+
+    bool wasPlaying = (mFlags & PLAYING) != 0;
+
+    pause_l();
+
+    shutdownVideoDecoder_l();
+
+    CHECK_EQ(initVideoDecoder_l(), (status_t)OK);
+
+    if (mLastVideoTimeUs >= 0) {
+        mSeeking = SEEK;
+        mSeekNotificationSent = true;
+        mSeekTimeUs = mLastVideoTimeUs;
+        mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
+    }
+
+    if (wasPlaying) {
+        play_l();
+    }
+}
+
+void PreviewPlayer::setAudioSink(
+        const sp<MediaPlayerBase::AudioSink> &audioSink) {
+    Mutex::Autolock autoLock(mLock);
+
+    mAudioSink = audioSink;
+}
+
+status_t PreviewPlayer::setLooping(bool shouldLoop) {
+    Mutex::Autolock autoLock(mLock);
+
+    mFlags = mFlags & ~LOOPING;
+
+    if (shouldLoop) {
+        mFlags |= LOOPING;
+    }
+
+    return OK;
+}
+
+void PreviewPlayer::setDuration_l(int64_t durationUs) {
+    if (mDurationUs < 0 || durationUs > mDurationUs) {
+        mDurationUs = durationUs;
+    }
+}
+
+status_t PreviewPlayer::getDuration(int64_t *durationUs) {
+    Mutex::Autolock autoLock(mLock);
+    if (mDurationUs < 0) {
+        return UNKNOWN_ERROR;
+    }
+
+    *durationUs = mDurationUs;
+    return OK;
+}
+
+status_t PreviewPlayer::getPosition(int64_t *positionUs) {
+    Mutex::Autolock autoLock(mLock);
+
+    if (mSeeking != NO_SEEK) {
+        *positionUs = mSeekTimeUs;
+    } else if (mVideoSource != NULL
+            && (mAudioPlayer == NULL || !(mFlags & VIDEO_AT_EOS))) {
+        *positionUs = mVideoTimeUs;
+    } else if (mAudioPlayer != NULL) {
+        *positionUs = mAudioPlayer->getMediaTimeUs();
+    } else {
+        *positionUs = 0;
+    }
+
+    return OK;
+}
+
+void PreviewPlayer::setPosition_l(int64_t timeUs) {
+    mVideoTimeUs = timeUs;
+}
+
+status_t PreviewPlayer::seekTo_l(int64_t timeUs) {
+    ALOGV("seekTo_l");
+    if (mFlags & CACHE_UNDERRUN) {
+        mFlags &= ~CACHE_UNDERRUN;
+        play_l();
+    }
+
+    if ((mFlags & PLAYING) && mVideoSource != NULL && (mFlags & VIDEO_AT_EOS)) {
+        // Video playback completed before, there's no pending
+        // video event right now. In order for this new seek
+        // to be honored, we need to post one.
+
+        postVideoEvent_l();
+    }
+
+    mSeeking = SEEK;
+    mSeekNotificationSent = false;
+    mSeekTimeUs = timeUs;
+    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
+
+    seekAudioIfNecessary_l();
+
+    if (!(mFlags & PLAYING)) {
+        ALOGV("seeking while paused, sending SEEK_COMPLETE notification"
+             " immediately.");
+
+        notifyListener_l(MEDIA_SEEK_COMPLETE);
+        mSeekNotificationSent = true;
+
+        if ((mFlags & PREPARED) && mVideoSource != NULL) {
+            mFlags |= SEEK_PREVIEW;
+            postVideoEvent_l();
+        }
+    }
+
+    return OK;
+}
+
+void PreviewPlayer::seekAudioIfNecessary_l() {
+    if (mSeeking != NO_SEEK && mVideoSource == NULL && mAudioPlayer != NULL) {
+        mAudioPlayer->seekTo(mSeekTimeUs);
+
+        mWatchForAudioSeekComplete = true;
+        mWatchForAudioEOS = true;
+    }
+}
+
+void PreviewPlayer::setAudioSource(const sp<MediaSource>& source) {
+    CHECK(source != NULL);
+    mAudioTrack = source;
+}
+
+void PreviewPlayer::setVideoSource(const sp<MediaSource>& source) {
+    CHECK(source != NULL);
+    mVideoTrack = source;
+}
+
+void PreviewPlayer::finishSeekIfNecessary(int64_t videoTimeUs) {
+    if (mSeeking == SEEK_VIDEO_ONLY) {
+        mSeeking = NO_SEEK;
+        return;
+    }
+
+    if (mSeeking == NO_SEEK || (mFlags & SEEK_PREVIEW)) {
+        return;
+    }
+
+    if (mAudioPlayer != NULL) {
+        ALOGV("seeking audio to %lld us (%.2f secs).", videoTimeUs, videoTimeUs / 1E6);
+
+        // If we don't have a video time, seek audio to the originally
+        // requested seek time instead.
+
+        mAudioPlayer->seekTo(videoTimeUs < 0 ? mSeekTimeUs : videoTimeUs);
+        mWatchForAudioSeekComplete = true;
+        mWatchForAudioEOS = true;
+    } else if (!mSeekNotificationSent) {
+        // If we're playing video only, report seek complete now,
+        // otherwise audio player will notify us later.
+        notifyListener_l(MEDIA_SEEK_COMPLETE);
+        mSeekNotificationSent = true;
+    }
+
+    mFlags |= FIRST_FRAME;
+    mSeeking = NO_SEEK;
+}
+
+void PreviewPlayer::onCheckAudioStatus() {
+    Mutex::Autolock autoLock(mLock);
+    if (!mAudioStatusEventPending) {
+        // Event was dispatched and while we were blocking on the mutex,
+        // has already been cancelled.
+        return;
+    }
+
+    mAudioStatusEventPending = false;
+
+    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
+        mWatchForAudioSeekComplete = false;
+
+        if (!mSeekNotificationSent) {
+            notifyListener_l(MEDIA_SEEK_COMPLETE);
+            mSeekNotificationSent = true;
+        }
+
+        mSeeking = NO_SEEK;
+    }
+
+    status_t finalStatus;
+    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
+        mWatchForAudioEOS = false;
+        mFlags |= AUDIO_AT_EOS;
+        mFlags |= FIRST_FRAME;
+        postStreamDoneEvent_l(finalStatus);
+    }
+}
+
+void PreviewPlayer::postVideoEvent_l(int64_t delayUs) {
+    if (mVideoEventPending) {
+        return;
+    }
+
+    mVideoEventPending = true;
+    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
+}
+
+void PreviewPlayer::postStreamDoneEvent_l(status_t status) {
+    if (mStreamDoneEventPending) {
+        return;
+    }
+    mStreamDoneEventPending = true;
+
+    mStreamDoneStatus = status;
+    mQueue.postEvent(mStreamDoneEvent);
+}
+
+void PreviewPlayer::postVideoLagEvent_l() {
+    if (mVideoLagEventPending) {
+        return;
+    }
+    mVideoLagEventPending = true;
+    mQueue.postEventWithDelay(mVideoLagEvent, 1000000ll);
+}
+
+void PreviewPlayer::postCheckAudioStatusEvent_l(int64_t delayUs) {
+    if (mAudioStatusEventPending) {
+        return;
+    }
+    mAudioStatusEventPending = true;
+    mQueue.postEventWithDelay(mCheckAudioStatusEvent, delayUs);
+}
+
+void PreviewPlayer::abortPrepare(status_t err) {
+    CHECK(err != OK);
+
+    if (mIsAsyncPrepare) {
+        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
+    }
+
+    mPrepareResult = err;
+    mFlags &= ~(PREPARING|PREPARE_CANCELLED|PREPARING_CONNECTED);
+    mAsyncPrepareEvent = NULL;
+    mPreparedCondition.broadcast();
+}
+
+uint32_t PreviewPlayer::getSourceSeekFlags() const {
+    Mutex::Autolock lock(mLock);
+    return mExtractorFlags;
+}
+
+void PreviewPlayer::postAudioEOS(int64_t delayUs) {
+    Mutex::Autolock autoLock(mLock);
+    postCheckAudioStatusEvent_l(delayUs);
+}
+
+void PreviewPlayer::postAudioSeekComplete() {
+    Mutex::Autolock autoLock(mLock);
+    postCheckAudioStatusEvent_l(0 /* delayUs */);
+}
+
+void PreviewPlayer::updateBatteryUsage_l() {
+    uint32_t params = IMediaPlayerService::kBatteryDataTrackDecoder;
+    if ((mAudioSource != NULL) && (mAudioSource != mAudioTrack)) {
+        params |= IMediaPlayerService::kBatteryDataTrackAudio;
+    }
+    if (mVideoSource != NULL) {
+        params |= IMediaPlayerService::kBatteryDataTrackVideo;
+    }
+    addBatteryData(params);
+}
+
 }  // namespace android
diff --git a/libvideoeditor/lvpp/PreviewPlayer.h b/libvideoeditor/lvpp/PreviewPlayer.h
index a5afaee..45f3fc2 100755
--- a/libvideoeditor/lvpp/PreviewPlayer.h
+++ b/libvideoeditor/lvpp/PreviewPlayer.h
@@ -25,35 +25,51 @@
 #include <media/stagefright/OMXClient.h>
 #include <media/stagefright/TimeSource.h>
 #include <utils/threads.h>
-#include "PreviewPlayerBase.h"
-#include "VideoEditorPreviewController.h"
 #include "NativeWindowRenderer.h"
 
 namespace android {
 
+struct VideoEditorAudioPlayer;
 struct AudioPlayerBase;
 struct MediaExtractor;
 
-struct PreviewPlayer : public PreviewPlayerBase {
+struct PreviewPlayer {
     PreviewPlayer(NativeWindowRenderer* renderer);
     ~PreviewPlayer();
 
-    //Override baseclass methods
+    void setListener(const wp<MediaPlayerBase> &listener);
     void reset();
 
     status_t play();
+    status_t pause();
 
+    bool isPlaying() const;
+    void setSurface(const sp<Surface> &surface);
+    void setSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture);
     status_t seekTo(int64_t timeUs);
 
     status_t getVideoDimensions(int32_t *width, int32_t *height) const;
 
+
+    // FIXME: Sync between ...
     void acquireLock();
     void releaseLock();
 
     status_t prepare();
+    status_t prepareAsync();
     status_t setDataSource(const char *path);
+    status_t setDataSource(const sp<IStreamSource> &source);
+
+    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &audioSink);
+    status_t setLooping(bool shouldLoop);
+    status_t getDuration(int64_t *durationUs);
+    status_t getPosition(int64_t *positionUs);
+
+    uint32_t getSourceSeekFlags() const;
+
+    void postAudioEOS(int64_t delayUs = 0ll);
+    void postAudioSeekComplete();
 
-    //Added methods
     status_t loadEffectsSettings(M4VSS3GPP_EffectSettings* pEffectSettings,
                                  int nEffects);
     status_t loadAudioMixSettings(M4xVSS_AudioMixingSettings* pAudioMixSettings);
@@ -76,8 +92,6 @@ struct PreviewPlayer : public PreviewPlayerBase {
     status_t setAudioPlayer(AudioPlayerBase *audioPlayer);
 
 private:
-    friend struct PreviewPlayerEvent;
-
     enum {
         PLAYING             = 1,
         LOOPING             = 2,
@@ -91,23 +105,92 @@ private:
         VIDEO_AT_EOS        = 512,
         AUTO_LOOPING        = 1024,
         INFORMED_AV_EOS     = 2048,
+
+        // We are basically done preparing but are currently buffering
+        // sufficient data to begin playback and finish the preparation phase
+        // for good.
+        PREPARING_CONNECTED = 2048,
+
+        // We're triggering a single video event to display the first frame
+        // after the seekpoint.
+        SEEK_PREVIEW        = 4096,
+
+        AUDIO_RUNNING       = 8192,
+        AUDIOPLAYER_STARTED = 16384,
+
+        INCOGNITO           = 32768,
     };
 
-    void cancelPlayerEvents();
-    status_t setDataSource_l(const sp<MediaExtractor> &extractor);
-    status_t setDataSource_l(const char *path);
-    void reset_l();
-    status_t play_l();
-    status_t initRenderer_l();
-    status_t initAudioDecoder();
-    status_t initVideoDecoder(uint32_t flags = 0);
-    void onVideoEvent();
-    void onStreamDone();
-    status_t finishSetDataSource_l();
-    static bool ContinuePreparation(void *cookie);
-    void onPrepareAsyncEvent();
-    void finishAsyncPrepare_l();
-    status_t startAudioPlayer_l();
+    mutable Mutex mLock;
+
+    OMXClient mClient;
+    TimedEventQueue mQueue;
+    bool mQueueStarted;
+    wp<MediaPlayerBase> mListener;
+
+    sp<Surface> mSurface;
+    sp<ANativeWindow> mNativeWindow;
+    sp<MediaPlayerBase::AudioSink> mAudioSink;
+
+    SystemTimeSource mSystemTimeSource;
+    TimeSource *mTimeSource;
+
+    String8 mUri;
+
+    sp<MediaSource> mVideoTrack;
+    sp<MediaSource> mVideoSource;
+    bool mVideoRendererIsPreview;
+
+    sp<MediaSource> mAudioTrack;
+    sp<MediaSource> mAudioSource;
+    AudioPlayerBase *mAudioPlayer;
+    int64_t mDurationUs;
+
+    int32_t mDisplayWidth;
+    int32_t mDisplayHeight;
+
+    uint32_t mFlags;
+    uint32_t mExtractorFlags;
+
+    int64_t mTimeSourceDeltaUs;
+    int64_t mVideoTimeUs;
+
+    enum SeekType {
+        NO_SEEK,
+        SEEK,
+        SEEK_VIDEO_ONLY
+    };
+    SeekType mSeeking;
+
+    bool mSeekNotificationSent;
+    int64_t mSeekTimeUs;
+
+    int64_t mBitrate;  // total bitrate of the file (in bps) or -1 if unknown.
+
+    bool mWatchForAudioSeekComplete;
+    bool mWatchForAudioEOS;
+
+    sp<TimedEventQueue::Event> mVideoEvent;
+    bool mVideoEventPending;
+    sp<TimedEventQueue::Event> mStreamDoneEvent;
+    bool mStreamDoneEventPending;
+    sp<TimedEventQueue::Event> mCheckAudioStatusEvent;
+    bool mAudioStatusEventPending;
+    sp<TimedEventQueue::Event> mVideoLagEvent;
+    bool mVideoLagEventPending;
+
+    sp<TimedEventQueue::Event> mAsyncPrepareEvent;
+    Condition mPreparedCondition;
+    bool mIsAsyncPrepare;
+    status_t mPrepareResult;
+    status_t mStreamDoneStatus;
+
+    MediaBuffer *mVideoBuffer;
+    int64_t mLastVideoTimeUs;
+    ARect mCropRect;
+    int32_t mGivenWidth, mGivenHeight;
+
+
     bool mIsChangeSourceRequired;
 
     NativeWindowRenderer *mNativeWindowRenderer;
@@ -152,23 +235,60 @@ private:
 
     M4VIFI_UInt8*  mFrameRGBBuffer;
     M4VIFI_UInt8*  mFrameYUVBuffer;
+    VideoEditorAudioPlayer  *mVeAudioPlayer;
 
+    void cancelPlayerEvents_l(bool updateProgressCb = false);
+    status_t setDataSource_l(const sp<MediaExtractor> &extractor);
+    status_t setDataSource_l(const char *path);
+    void setNativeWindow_l(const sp<ANativeWindow> &native);
+    void reset_l();
+    void clear_l();
+    status_t play_l();
+    status_t pause_l(bool at_eos = false);
+    status_t initRenderer_l();
+    status_t initAudioDecoder_l();
+    status_t initVideoDecoder_l(uint32_t flags = 0);
+    void notifyVideoSize_l();
+    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0);
+    void onVideoEvent();
+    void onVideoLagUpdate();
+    void onStreamDone();
+    void onCheckAudioStatus();
+    void onPrepareAsyncEvent();
+
+    void finishAsyncPrepare_l();
+    void abortPrepare(status_t err);
+
+    status_t startAudioPlayer_l();
+    void setVideoSource(const sp<MediaSource>& source);
+    status_t finishSetDataSource_l();
+    void setAudioSource(const sp<MediaSource>& source);
+
+    status_t seekTo_l(int64_t timeUs);
+    void seekAudioIfNecessary_l();
+    void finishSeekIfNecessary(int64_t videoTimeUs);
+
+    void postCheckAudioStatusEvent_l(int64_t delayUs);
+    void postVideoLagEvent_l();
+    void postStreamDoneEvent_l(status_t status);
+    void postVideoEvent_l(int64_t delayUs = -1);
     void setVideoPostProcessingNode(
                     M4VSS3GPP_VideoEffectType type, M4OSA_Bool enable);
     void postProgressCallbackEvent_l();
+    void shutdownVideoDecoder_l();
     void onProgressCbEvent();
 
     void postOverlayUpdateEvent_l();
     void onUpdateOverlayEvent();
 
     status_t setDataSource_l_jpg();
-
     status_t prepare_l();
     status_t prepareAsync_l();
-
+    void updateBatteryUsage_l();
     void updateSizeToRender(sp<MetaData> meta);
 
-    VideoEditorAudioPlayer  *mVeAudioPlayer;
+    void setDuration_l(int64_t durationUs);
+    void setPosition_l(int64_t timeUs);
 
     PreviewPlayer(const PreviewPlayer &);
     PreviewPlayer &operator=(const PreviewPlayer &);
diff --git a/libvideoeditor/lvpp/PreviewPlayerBase.cpp b/libvideoeditor/lvpp/PreviewPlayerBase.cpp
deleted file mode 100644
index 2a59095..0000000
--- a/libvideoeditor/lvpp/PreviewPlayerBase.cpp
+++ /dev/null
@@ -1,1456 +0,0 @@
-/*
- * 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.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "PreviewPlayerBase"
-#include <utils/Log.h>
-
-#include <dlfcn.h>
-
-#include "PreviewPlayerBase.h"
-#include "AudioPlayerBase.h"
-#include "include/SoftwareRenderer.h"
-
-#include <binder/IPCThreadState.h>
-#include <binder/IServiceManager.h>
-#include <media/IMediaPlayerService.h>
-#include <media/stagefright/foundation/hexdump.h>
-#include <media/stagefright/foundation/ADebug.h>
-#include <media/stagefright/DataSource.h>
-#include <media/stagefright/MediaBuffer.h>
-#include <media/stagefright/MediaDefs.h>
-#include <media/stagefright/MediaExtractor.h>
-#include <media/stagefright/MediaSource.h>
-#include <media/stagefright/MetaData.h>
-#include <media/stagefright/OMXCodec.h>
-
-#include <surfaceflinger/Surface.h>
-#include <gui/ISurfaceTexture.h>
-#include <gui/SurfaceTextureClient.h>
-#include <surfaceflinger/ISurfaceComposer.h>
-
-#include <cutils/properties.h>
-
-#define USE_SURFACE_ALLOC 1
-
-namespace android {
-
-struct AwesomeEvent : public TimedEventQueue::Event {
-    AwesomeEvent(
-            PreviewPlayerBase *player,
-            void (PreviewPlayerBase::*method)())
-        : mPlayer(player),
-          mMethod(method) {
-    }
-
-protected:
-    virtual ~AwesomeEvent() {}
-
-    virtual void fire(TimedEventQueue *queue, int64_t /* now_us */) {
-        (mPlayer->*mMethod)();
-    }
-
-private:
-    PreviewPlayerBase *mPlayer;
-    void (PreviewPlayerBase::*mMethod)();
-
-    AwesomeEvent(const AwesomeEvent &);
-    AwesomeEvent &operator=(const AwesomeEvent &);
-};
-
-struct AwesomeLocalRenderer : public AwesomeRenderer {
-    AwesomeLocalRenderer(
-            const sp<ANativeWindow> &nativeWindow, const sp<MetaData> &meta)
-        : mTarget(new SoftwareRenderer(nativeWindow, meta)) {
-    }
-
-    virtual void render(MediaBuffer *buffer) {
-        render((const uint8_t *)buffer->data() + buffer->range_offset(),
-               buffer->range_length());
-    }
-
-    void render(const void *data, size_t size) {
-        mTarget->render(data, size, NULL);
-    }
-
-protected:
-    virtual ~AwesomeLocalRenderer() {
-        delete mTarget;
-        mTarget = NULL;
-    }
-
-private:
-    SoftwareRenderer *mTarget;
-
-    AwesomeLocalRenderer(const AwesomeLocalRenderer &);
-    AwesomeLocalRenderer &operator=(const AwesomeLocalRenderer &);;
-};
-
-struct AwesomeNativeWindowRenderer : public AwesomeRenderer {
-    AwesomeNativeWindowRenderer(
-            const sp<ANativeWindow> &nativeWindow,
-            int32_t rotationDegrees)
-        : mNativeWindow(nativeWindow) {
-        applyRotation(rotationDegrees);
-    }
-
-    virtual void render(MediaBuffer *buffer) {
-        status_t err = mNativeWindow->queueBuffer(
-                mNativeWindow.get(), buffer->graphicBuffer().get());
-        if (err != 0) {
-            ALOGE("queueBuffer failed with error %s (%d)", strerror(-err),
-                    -err);
-            return;
-        }
-
-        sp<MetaData> metaData = buffer->meta_data();
-        metaData->setInt32(kKeyRendered, 1);
-    }
-
-protected:
-    virtual ~AwesomeNativeWindowRenderer() {}
-
-private:
-    sp<ANativeWindow> mNativeWindow;
-
-    void applyRotation(int32_t rotationDegrees) {
-        uint32_t transform;
-        switch (rotationDegrees) {
-            case 0: transform = 0; break;
-            case 90: transform = HAL_TRANSFORM_ROT_90; break;
-            case 180: transform = HAL_TRANSFORM_ROT_180; break;
-            case 270: transform = HAL_TRANSFORM_ROT_270; break;
-            default: transform = 0; break;
-        }
-
-        if (transform) {
-            CHECK_EQ(0, native_window_set_buffers_transform(
-                        mNativeWindow.get(), transform));
-        }
-    }
-
-    AwesomeNativeWindowRenderer(const AwesomeNativeWindowRenderer &);
-    AwesomeNativeWindowRenderer &operator=(
-            const AwesomeNativeWindowRenderer &);
-};
-
-// To collect the decoder usage
-void addBatteryData(uint32_t params) {
-    sp<IBinder> binder =
-        defaultServiceManager()->getService(String16("media.player"));
-    sp<IMediaPlayerService> service = interface_cast<IMediaPlayerService>(binder);
-    CHECK(service.get() != NULL);
-
-    service->addBatteryData(params);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-PreviewPlayerBase::PreviewPlayerBase()
-    : mQueueStarted(false),
-      mTimeSource(NULL),
-      mVideoRendererIsPreview(false),
-      mAudioPlayer(NULL),
-      mDisplayWidth(0),
-      mDisplayHeight(0),
-      mFlags(0),
-      mExtractorFlags(0),
-      mVideoBuffer(NULL),
-      mLastVideoTimeUs(-1) {
-    CHECK_EQ(mClient.connect(), (status_t)OK);
-
-    DataSource::RegisterDefaultSniffers();
-
-    mVideoEvent = new AwesomeEvent(this, &PreviewPlayerBase::onVideoEvent);
-    mVideoEventPending = false;
-    mStreamDoneEvent = new AwesomeEvent(this, &PreviewPlayerBase::onStreamDone);
-    mStreamDoneEventPending = false;
-    mVideoLagEvent = new AwesomeEvent(this, &PreviewPlayerBase::onVideoLagUpdate);
-    mVideoEventPending = false;
-
-    mCheckAudioStatusEvent = new AwesomeEvent(
-            this, &PreviewPlayerBase::onCheckAudioStatus);
-
-    mAudioStatusEventPending = false;
-
-    reset();
-}
-
-PreviewPlayerBase::~PreviewPlayerBase() {
-    if (mQueueStarted) {
-        mQueue.stop();
-    }
-
-    reset();
-
-    mClient.disconnect();
-}
-
-void PreviewPlayerBase::cancelPlayerEvents() {
-    mQueue.cancelEvent(mVideoEvent->eventID());
-    mVideoEventPending = false;
-    mQueue.cancelEvent(mStreamDoneEvent->eventID());
-    mStreamDoneEventPending = false;
-    mQueue.cancelEvent(mCheckAudioStatusEvent->eventID());
-    mAudioStatusEventPending = false;
-    mQueue.cancelEvent(mVideoLagEvent->eventID());
-    mVideoLagEventPending = false;
-}
-
-void PreviewPlayerBase::setListener(const wp<MediaPlayerBase> &listener) {
-    Mutex::Autolock autoLock(mLock);
-    mListener = listener;
-}
-
-status_t PreviewPlayerBase::setDataSource(const char *path) {
-    Mutex::Autolock autoLock(mLock);
-    return setDataSource_l(path);
-}
-
-status_t PreviewPlayerBase::setDataSource_l(const char *path) {
-    reset_l();
-
-    mUri = path;
-
-    if (!(mFlags & INCOGNITO)) {
-        ALOGI("setDataSource_l('%s')", mUri.string());
-    } else {
-        ALOGI("setDataSource_l(URL suppressed)");
-    }
-
-    // The actual work will be done during preparation in the call to
-    // ::finishSetDataSource_l to avoid blocking the calling thread in
-    // setDataSource for any significant time.
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::setDataSource(const sp<IStreamSource> &source) {
-    return INVALID_OPERATION;
-}
-
-status_t PreviewPlayerBase::setDataSource_l(const sp<MediaExtractor> &extractor) {
-    if (extractor == NULL) {
-        return UNKNOWN_ERROR;
-    }
-
-    if (extractor->getDrmFlag()) {
-        ALOGE("Data source is drm protected");
-        return INVALID_OPERATION;
-    }
-
-    // Attempt to approximate overall stream bitrate by summing all
-    // tracks' individual bitrates, if not all of them advertise bitrate,
-    // we have to fail.
-
-    int64_t totalBitRate = 0;
-
-    for (size_t i = 0; i < extractor->countTracks(); ++i) {
-        sp<MetaData> meta = extractor->getTrackMetaData(i);
-
-        int32_t bitrate;
-        if (!meta->findInt32(kKeyBitRate, &bitrate)) {
-            totalBitRate = -1;
-            break;
-        }
-
-        totalBitRate += bitrate;
-    }
-
-    mBitrate = totalBitRate;
-
-    ALOGV("mBitrate = %lld bits/sec", mBitrate);
-
-    bool haveAudio = false;
-    bool haveVideo = false;
-    for (size_t i = 0; i < extractor->countTracks(); ++i) {
-        sp<MetaData> meta = extractor->getTrackMetaData(i);
-
-        const char *mime;
-        CHECK(meta->findCString(kKeyMIMEType, &mime));
-
-        if (!haveVideo && !strncasecmp(mime, "video/", 6)) {
-            setVideoSource(extractor->getTrack(i));
-            haveVideo = true;
-
-            // Set the presentation/display size
-            int32_t displayWidth, displayHeight;
-            bool success = meta->findInt32(kKeyDisplayWidth, &displayWidth);
-            if (success) {
-                success = meta->findInt32(kKeyDisplayHeight, &displayHeight);
-            }
-            if (success) {
-                mDisplayWidth = displayWidth;
-                mDisplayHeight = displayHeight;
-            }
-
-        } else if (!haveAudio && !strncasecmp(mime, "audio/", 6)) {
-            setAudioSource(extractor->getTrack(i));
-            haveAudio = true;
-
-            if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
-                // Only do this for vorbis audio, none of the other audio
-                // formats even support this ringtone specific hack and
-                // retrieving the metadata on some extractors may turn out
-                // to be very expensive.
-                sp<MetaData> fileMeta = extractor->getMetaData();
-                int32_t loop;
-                if (fileMeta != NULL
-                        && fileMeta->findInt32(kKeyAutoLoop, &loop) && loop != 0) {
-                    mFlags |= AUTO_LOOPING;
-                }
-            }
-        }
-
-        if (haveAudio && haveVideo) {
-            break;
-        }
-    }
-
-    if (!haveAudio && !haveVideo) {
-        return UNKNOWN_ERROR;
-    }
-
-    mExtractorFlags = extractor->flags();
-
-    return OK;
-}
-
-void PreviewPlayerBase::reset() {
-    Mutex::Autolock autoLock(mLock);
-    reset_l();
-}
-
-void PreviewPlayerBase::reset_l() {
-    mDisplayWidth = 0;
-    mDisplayHeight = 0;
-
-    if (mFlags & PLAYING) {
-        uint32_t params = IMediaPlayerService::kBatteryDataTrackDecoder;
-        if ((mAudioSource != NULL) && (mAudioSource != mAudioTrack)) {
-            params |= IMediaPlayerService::kBatteryDataTrackAudio;
-        }
-        if (mVideoSource != NULL) {
-            params |= IMediaPlayerService::kBatteryDataTrackVideo;
-        }
-        addBatteryData(params);
-    }
-
-    if (mFlags & PREPARING) {
-        mFlags |= PREPARE_CANCELLED;
-
-        if (mFlags & PREPARING_CONNECTED) {
-            // We are basically done preparing, we're just buffering
-            // enough data to start playback, we can safely interrupt that.
-            finishAsyncPrepare_l();
-        }
-    }
-
-    while (mFlags & PREPARING) {
-        mPreparedCondition.wait(mLock);
-    }
-
-    cancelPlayerEvents();
-
-    mAudioTrack.clear();
-    mVideoTrack.clear();
-
-    // Shutdown audio first, so that the respone to the reset request
-    // appears to happen instantaneously as far as the user is concerned
-    // If we did this later, audio would continue playing while we
-    // shutdown the video-related resources and the player appear to
-    // not be as responsive to a reset request.
-    if (mAudioPlayer == NULL && mAudioSource != NULL) {
-        // If we had an audio player, it would have effectively
-        // taken possession of the audio source and stopped it when
-        // _it_ is stopped. Otherwise this is still our responsibility.
-        mAudioSource->stop();
-    }
-    mAudioSource.clear();
-
-    mTimeSource = NULL;
-
-    delete mAudioPlayer;
-    mAudioPlayer = NULL;
-
-    mVideoRenderer.clear();
-
-    if (mVideoSource != NULL) {
-        shutdownVideoDecoder_l();
-    }
-
-    mDurationUs = -1;
-    mFlags = 0;
-    mExtractorFlags = 0;
-    mTimeSourceDeltaUs = 0;
-    mVideoTimeUs = 0;
-
-    mSeeking = NO_SEEK;
-    mSeekNotificationSent = false;
-    mSeekTimeUs = 0;
-
-    mUri.setTo("");
-
-    mBitrate = -1;
-    mLastVideoTimeUs = -1;
-}
-
-void PreviewPlayerBase::notifyListener_l(int msg, int ext1, int ext2) {
-    if (mListener != NULL) {
-        sp<MediaPlayerBase> listener = mListener.promote();
-
-        if (listener != NULL) {
-            listener->sendEvent(msg, ext1, ext2);
-        }
-    }
-}
-
-void PreviewPlayerBase::onVideoLagUpdate() {
-    Mutex::Autolock autoLock(mLock);
-    if (!mVideoLagEventPending) {
-        return;
-    }
-    mVideoLagEventPending = false;
-
-    int64_t audioTimeUs = mAudioPlayer->getMediaTimeUs();
-    int64_t videoLateByUs = audioTimeUs - mVideoTimeUs;
-
-    if (!(mFlags & VIDEO_AT_EOS) && videoLateByUs > 300000ll) {
-        ALOGV("video late by %lld ms.", videoLateByUs / 1000ll);
-
-        notifyListener_l(
-                MEDIA_INFO,
-                MEDIA_INFO_VIDEO_TRACK_LAGGING,
-                videoLateByUs / 1000ll);
-    }
-
-    postVideoLagEvent_l();
-}
-
-void PreviewPlayerBase::onStreamDone() {
-    // Posted whenever any stream finishes playing.
-
-    Mutex::Autolock autoLock(mLock);
-    if (!mStreamDoneEventPending) {
-        return;
-    }
-    mStreamDoneEventPending = false;
-
-    if (mStreamDoneStatus != ERROR_END_OF_STREAM) {
-        ALOGV("MEDIA_ERROR %d", mStreamDoneStatus);
-
-        notifyListener_l(
-                MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, mStreamDoneStatus);
-
-        pause_l(true /* at eos */);
-
-        mFlags |= AT_EOS;
-        return;
-    }
-
-    const bool allDone =
-        (mVideoSource == NULL || (mFlags & VIDEO_AT_EOS))
-            && (mAudioSource == NULL || (mFlags & AUDIO_AT_EOS));
-
-    if (!allDone) {
-        return;
-    }
-
-    if (mFlags & (LOOPING | AUTO_LOOPING)) {
-        seekTo_l(0);
-
-        if (mVideoSource != NULL) {
-            postVideoEvent_l();
-        }
-    } else {
-        ALOGV("MEDIA_PLAYBACK_COMPLETE");
-        notifyListener_l(MEDIA_PLAYBACK_COMPLETE);
-
-        pause_l(true /* at eos */);
-
-        mFlags |= AT_EOS;
-    }
-}
-
-status_t PreviewPlayerBase::play() {
-    Mutex::Autolock autoLock(mLock);
-
-    mFlags &= ~CACHE_UNDERRUN;
-
-    return play_l();
-}
-
-status_t PreviewPlayerBase::play_l() {
-    mFlags &= ~SEEK_PREVIEW;
-
-    if (mFlags & PLAYING) {
-        return OK;
-    }
-
-    if (!(mFlags & PREPARED)) {
-        status_t err = prepare_l();
-
-        if (err != OK) {
-            return err;
-        }
-    }
-
-    mFlags |= PLAYING;
-    mFlags |= FIRST_FRAME;
-
-    if (mAudioSource != NULL) {
-        if (mAudioPlayer == NULL) {
-            if (mAudioSink != NULL) {
-                mAudioPlayer = new AudioPlayerBase(mAudioSink, this);
-                mAudioPlayer->setSource(mAudioSource);
-
-                mTimeSource = mAudioPlayer;
-
-                // If there was a seek request before we ever started,
-                // honor the request now.
-                // Make sure to do this before starting the audio player
-                // to avoid a race condition.
-                seekAudioIfNecessary_l();
-            }
-        }
-
-        CHECK(!(mFlags & AUDIO_RUNNING));
-
-        if (mVideoSource == NULL) {
-            status_t err = startAudioPlayer_l();
-
-            if (err != OK) {
-                delete mAudioPlayer;
-                mAudioPlayer = NULL;
-
-                mFlags &= ~(PLAYING | FIRST_FRAME);
-
-                return err;
-            }
-        }
-    }
-
-    if (mTimeSource == NULL && mAudioPlayer == NULL) {
-        mTimeSource = &mSystemTimeSource;
-    }
-
-    if (mVideoSource != NULL) {
-        // Kick off video playback
-        postVideoEvent_l();
-
-        if (mAudioSource != NULL && mVideoSource != NULL) {
-            postVideoLagEvent_l();
-        }
-    }
-
-    if (mFlags & AT_EOS) {
-        // Legacy behaviour, if a stream finishes playing and then
-        // is started again, we play from the start...
-        seekTo_l(0);
-    }
-
-    uint32_t params = IMediaPlayerService::kBatteryDataCodecStarted
-        | IMediaPlayerService::kBatteryDataTrackDecoder;
-    if ((mAudioSource != NULL) && (mAudioSource != mAudioTrack)) {
-        params |= IMediaPlayerService::kBatteryDataTrackAudio;
-    }
-    if (mVideoSource != NULL) {
-        params |= IMediaPlayerService::kBatteryDataTrackVideo;
-    }
-    addBatteryData(params);
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::startAudioPlayer_l() {
-    CHECK(!(mFlags & AUDIO_RUNNING));
-
-    if (mAudioSource == NULL || mAudioPlayer == NULL) {
-        return OK;
-    }
-
-    if (!(mFlags & AUDIOPLAYER_STARTED)) {
-        mFlags |= AUDIOPLAYER_STARTED;
-
-        // We've already started the MediaSource in order to enable
-        // the prefetcher to read its data.
-        status_t err = mAudioPlayer->start(
-                true /* sourceAlreadyStarted */);
-
-        if (err != OK) {
-            notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
-            return err;
-        }
-    } else {
-        mAudioPlayer->resume();
-    }
-
-    mFlags |= AUDIO_RUNNING;
-
-    mWatchForAudioEOS = true;
-
-    return OK;
-}
-
-void PreviewPlayerBase::notifyVideoSize_l() {
-    sp<MetaData> meta = mVideoSource->getFormat();
-
-    int32_t vWidth, vHeight;
-    int32_t cropLeft, cropTop, cropRight, cropBottom;
-
-    CHECK(meta->findInt32(kKeyWidth, &vWidth));
-    CHECK(meta->findInt32(kKeyHeight, &vHeight));
-
-    mGivenWidth = vWidth;
-    mGivenHeight = vHeight;
-
-    if (!meta->findRect(
-                kKeyCropRect, &cropLeft, &cropTop, &cropRight, &cropBottom)) {
-
-        cropLeft = cropTop = 0;
-        cropRight = vWidth - 1;
-        cropBottom = vHeight - 1;
-
-        ALOGD("got dimensions only %d x %d", vWidth, vHeight);
-    } else {
-        ALOGD("got crop rect %d, %d, %d, %d",
-             cropLeft, cropTop, cropRight, cropBottom);
-    }
-
-    mCropRect.left = cropLeft;
-    mCropRect.right = cropRight;
-    mCropRect.top = cropTop;
-    mCropRect.bottom = cropBottom;
-
-    int32_t displayWidth;
-    if (meta->findInt32(kKeyDisplayWidth, &displayWidth)) {
-        ALOGV("Display width changed (%d=>%d)", mDisplayWidth, displayWidth);
-        mDisplayWidth = displayWidth;
-    }
-    int32_t displayHeight;
-    if (meta->findInt32(kKeyDisplayHeight, &displayHeight)) {
-        ALOGV("Display height changed (%d=>%d)", mDisplayHeight, displayHeight);
-        mDisplayHeight = displayHeight;
-    }
-
-    int32_t usableWidth = cropRight - cropLeft + 1;
-    int32_t usableHeight = cropBottom - cropTop + 1;
-    if (mDisplayWidth != 0) {
-        usableWidth = mDisplayWidth;
-    }
-    if (mDisplayHeight != 0) {
-        usableHeight = mDisplayHeight;
-    }
-
-    int32_t rotationDegrees;
-    if (!mVideoTrack->getFormat()->findInt32(
-                kKeyRotation, &rotationDegrees)) {
-        rotationDegrees = 0;
-    }
-
-    if (rotationDegrees == 90 || rotationDegrees == 270) {
-        notifyListener_l(
-                MEDIA_SET_VIDEO_SIZE, usableHeight, usableWidth);
-    } else {
-        notifyListener_l(
-                MEDIA_SET_VIDEO_SIZE, usableWidth, usableHeight);
-    }
-}
-
-void PreviewPlayerBase::initRenderer_l() {
-    if (mNativeWindow == NULL) {
-        return;
-    }
-
-    sp<MetaData> meta = mVideoSource->getFormat();
-
-    int32_t format;
-    const char *component;
-    CHECK(meta->findInt32(kKeyColorFormat, &format));
-    CHECK(meta->findCString(kKeyDecoderComponent, &component));
-
-    int32_t rotationDegrees;
-    if (!mVideoTrack->getFormat()->findInt32(
-                kKeyRotation, &rotationDegrees)) {
-        rotationDegrees = 0;
-    }
-
-    mVideoRenderer.clear();
-
-    // Must ensure that mVideoRenderer's destructor is actually executed
-    // before creating a new one.
-    IPCThreadState::self()->flushCommands();
-
-    if (USE_SURFACE_ALLOC && strncmp(component, "OMX.", 4) == 0) {
-        // Hardware decoders avoid the CPU color conversion by decoding
-        // directly to ANativeBuffers, so we must use a renderer that
-        // just pushes those buffers to the ANativeWindow.
-        mVideoRenderer =
-            new AwesomeNativeWindowRenderer(mNativeWindow, rotationDegrees);
-    } else {
-        // Other decoders are instantiated locally and as a consequence
-        // allocate their buffers in local address space.  This renderer
-        // then performs a color conversion and copy to get the data
-        // into the ANativeBuffer.
-        mVideoRenderer = new AwesomeLocalRenderer(mNativeWindow, meta);
-    }
-}
-
-status_t PreviewPlayerBase::pause() {
-    Mutex::Autolock autoLock(mLock);
-
-    mFlags &= ~CACHE_UNDERRUN;
-
-    return pause_l();
-}
-
-status_t PreviewPlayerBase::pause_l(bool at_eos) {
-    if (!(mFlags & PLAYING)) {
-        return OK;
-    }
-
-    cancelPlayerEvents();
-
-    if (mAudioPlayer != NULL && (mFlags & AUDIO_RUNNING)) {
-        if (at_eos) {
-            // If we played the audio stream to completion we
-            // want to make sure that all samples remaining in the audio
-            // track's queue are played out.
-            mAudioPlayer->pause(true /* playPendingSamples */);
-        } else {
-            mAudioPlayer->pause();
-        }
-
-        mFlags &= ~AUDIO_RUNNING;
-    }
-
-    mFlags &= ~PLAYING;
-
-    uint32_t params = IMediaPlayerService::kBatteryDataTrackDecoder;
-    if ((mAudioSource != NULL) && (mAudioSource != mAudioTrack)) {
-        params |= IMediaPlayerService::kBatteryDataTrackAudio;
-    }
-    if (mVideoSource != NULL) {
-        params |= IMediaPlayerService::kBatteryDataTrackVideo;
-    }
-
-    addBatteryData(params);
-
-    return OK;
-}
-
-bool PreviewPlayerBase::isPlaying() const {
-    return (mFlags & PLAYING) || (mFlags & CACHE_UNDERRUN);
-}
-
-void PreviewPlayerBase::setSurface(const sp<Surface> &surface) {
-    Mutex::Autolock autoLock(mLock);
-
-    mSurface = surface;
-    setNativeWindow_l(surface);
-}
-
-void PreviewPlayerBase::setSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture) {
-    Mutex::Autolock autoLock(mLock);
-
-    mSurface.clear();
-    if (surfaceTexture != NULL) {
-        setNativeWindow_l(new SurfaceTextureClient(surfaceTexture));
-    }
-}
-
-void PreviewPlayerBase::shutdownVideoDecoder_l() {
-    if (mVideoBuffer) {
-        mVideoBuffer->release();
-        mVideoBuffer = NULL;
-    }
-
-    mVideoSource->stop();
-
-    // The following hack is necessary to ensure that the OMX
-    // component is completely released by the time we may try
-    // to instantiate it again.
-    wp<MediaSource> tmp = mVideoSource;
-    mVideoSource.clear();
-    while (tmp.promote() != NULL) {
-        usleep(1000);
-    }
-    IPCThreadState::self()->flushCommands();
-}
-
-void PreviewPlayerBase::setNativeWindow_l(const sp<ANativeWindow> &native) {
-    mNativeWindow = native;
-
-    if (mVideoSource == NULL) {
-        return;
-    }
-
-    ALOGI("attempting to reconfigure to use new surface");
-
-    bool wasPlaying = (mFlags & PLAYING) != 0;
-
-    pause_l();
-    mVideoRenderer.clear();
-
-    shutdownVideoDecoder_l();
-
-    CHECK_EQ(initVideoDecoder(), (status_t)OK);
-
-    if (mLastVideoTimeUs >= 0) {
-        mSeeking = SEEK;
-        mSeekNotificationSent = true;
-        mSeekTimeUs = mLastVideoTimeUs;
-        mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
-    }
-
-    if (wasPlaying) {
-        play_l();
-    }
-}
-
-void PreviewPlayerBase::setAudioSink(
-        const sp<MediaPlayerBase::AudioSink> &audioSink) {
-    Mutex::Autolock autoLock(mLock);
-
-    mAudioSink = audioSink;
-}
-
-status_t PreviewPlayerBase::setLooping(bool shouldLoop) {
-    Mutex::Autolock autoLock(mLock);
-
-    mFlags = mFlags & ~LOOPING;
-
-    if (shouldLoop) {
-        mFlags |= LOOPING;
-    }
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::getDuration(int64_t *durationUs) {
-    Mutex::Autolock autoLock(mMiscStateLock);
-
-    if (mDurationUs < 0) {
-        return UNKNOWN_ERROR;
-    }
-
-    *durationUs = mDurationUs;
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::getPosition(int64_t *positionUs) {
-    if (mSeeking != NO_SEEK) {
-        *positionUs = mSeekTimeUs;
-    } else if (mVideoSource != NULL
-            && (mAudioPlayer == NULL || !(mFlags & VIDEO_AT_EOS))) {
-        Mutex::Autolock autoLock(mMiscStateLock);
-        *positionUs = mVideoTimeUs;
-    } else if (mAudioPlayer != NULL) {
-        *positionUs = mAudioPlayer->getMediaTimeUs();
-    } else {
-        *positionUs = 0;
-    }
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::seekTo(int64_t timeUs) {
-    if (mExtractorFlags & MediaExtractor::CAN_SEEK) {
-        Mutex::Autolock autoLock(mLock);
-        return seekTo_l(timeUs);
-    }
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::seekTo_l(int64_t timeUs) {
-    if (mFlags & CACHE_UNDERRUN) {
-        mFlags &= ~CACHE_UNDERRUN;
-        play_l();
-    }
-
-    if ((mFlags & PLAYING) && mVideoSource != NULL && (mFlags & VIDEO_AT_EOS)) {
-        // Video playback completed before, there's no pending
-        // video event right now. In order for this new seek
-        // to be honored, we need to post one.
-
-        postVideoEvent_l();
-    }
-
-    mSeeking = SEEK;
-    mSeekNotificationSent = false;
-    mSeekTimeUs = timeUs;
-    mFlags &= ~(AT_EOS | AUDIO_AT_EOS | VIDEO_AT_EOS);
-
-    seekAudioIfNecessary_l();
-
-    if (!(mFlags & PLAYING)) {
-        ALOGV("seeking while paused, sending SEEK_COMPLETE notification"
-             " immediately.");
-
-        notifyListener_l(MEDIA_SEEK_COMPLETE);
-        mSeekNotificationSent = true;
-
-        if ((mFlags & PREPARED) && mVideoSource != NULL) {
-            mFlags |= SEEK_PREVIEW;
-            postVideoEvent_l();
-        }
-    }
-
-    return OK;
-}
-
-void PreviewPlayerBase::seekAudioIfNecessary_l() {
-    if (mSeeking != NO_SEEK && mVideoSource == NULL && mAudioPlayer != NULL) {
-        mAudioPlayer->seekTo(mSeekTimeUs);
-
-        mWatchForAudioSeekComplete = true;
-        mWatchForAudioEOS = true;
-    }
-}
-
-void PreviewPlayerBase::setAudioSource(sp<MediaSource> source) {
-    CHECK(source != NULL);
-
-    mAudioTrack = source;
-}
-
-status_t PreviewPlayerBase::initAudioDecoder() {
-    sp<MetaData> meta = mAudioTrack->getFormat();
-
-    const char *mime;
-    CHECK(meta->findCString(kKeyMIMEType, &mime));
-
-    if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_RAW)) {
-        mAudioSource = mAudioTrack;
-    } else {
-        mAudioSource = OMXCodec::Create(
-                mClient.interface(), mAudioTrack->getFormat(),
-                false, // createEncoder
-                mAudioTrack);
-    }
-
-    if (mAudioSource != NULL) {
-        int64_t durationUs;
-        if (mAudioTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
-            Mutex::Autolock autoLock(mMiscStateLock);
-            if (mDurationUs < 0 || durationUs > mDurationUs) {
-                mDurationUs = durationUs;
-            }
-        }
-
-        status_t err = mAudioSource->start();
-
-        if (err != OK) {
-            mAudioSource.clear();
-            return err;
-        }
-    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_QCELP)) {
-        // For legacy reasons we're simply going to ignore the absence
-        // of an audio decoder for QCELP instead of aborting playback
-        // altogether.
-        return OK;
-    }
-
-    return mAudioSource != NULL ? OK : UNKNOWN_ERROR;
-}
-
-void PreviewPlayerBase::setVideoSource(sp<MediaSource> source) {
-    CHECK(source != NULL);
-
-    mVideoTrack = source;
-}
-
-status_t PreviewPlayerBase::initVideoDecoder(uint32_t flags) {
-    ALOGV("initVideoDecoder flags=0x%x", flags);
-    mVideoSource = OMXCodec::Create(
-            mClient.interface(), mVideoTrack->getFormat(),
-            false, // createEncoder
-            mVideoTrack,
-            NULL, flags, USE_SURFACE_ALLOC ? mNativeWindow : NULL);
-
-    if (mVideoSource != NULL) {
-        int64_t durationUs;
-        if (mVideoTrack->getFormat()->findInt64(kKeyDuration, &durationUs)) {
-            Mutex::Autolock autoLock(mMiscStateLock);
-            if (mDurationUs < 0 || durationUs > mDurationUs) {
-                mDurationUs = durationUs;
-            }
-        }
-
-        status_t err = mVideoSource->start();
-
-        if (err != OK) {
-            mVideoSource.clear();
-            return err;
-        }
-    }
-
-    return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
-}
-
-void PreviewPlayerBase::finishSeekIfNecessary(int64_t videoTimeUs) {
-    if (mSeeking == SEEK_VIDEO_ONLY) {
-        mSeeking = NO_SEEK;
-        return;
-    }
-
-    if (mSeeking == NO_SEEK || (mFlags & SEEK_PREVIEW)) {
-        return;
-    }
-
-    if (mAudioPlayer != NULL) {
-        ALOGV("seeking audio to %lld us (%.2f secs).", videoTimeUs, videoTimeUs / 1E6);
-
-        // If we don't have a video time, seek audio to the originally
-        // requested seek time instead.
-
-        mAudioPlayer->seekTo(videoTimeUs < 0 ? mSeekTimeUs : videoTimeUs);
-        mWatchForAudioSeekComplete = true;
-        mWatchForAudioEOS = true;
-    } else if (!mSeekNotificationSent) {
-        // If we're playing video only, report seek complete now,
-        // otherwise audio player will notify us later.
-        notifyListener_l(MEDIA_SEEK_COMPLETE);
-        mSeekNotificationSent = true;
-    }
-
-    mFlags |= FIRST_FRAME;
-    mSeeking = NO_SEEK;
-}
-
-void PreviewPlayerBase::onVideoEvent() {
-    Mutex::Autolock autoLock(mLock);
-    if (!mVideoEventPending) {
-        // The event has been cancelled in reset_l() but had already
-        // been scheduled for execution at that time.
-        return;
-    }
-    mVideoEventPending = false;
-
-    if (mSeeking != NO_SEEK) {
-        if (mVideoBuffer) {
-            mVideoBuffer->release();
-            mVideoBuffer = NULL;
-        }
-    }
-
-    if (!mVideoBuffer) {
-        MediaSource::ReadOptions options;
-        if (mSeeking != NO_SEEK) {
-            ALOGV("seeking to %lld us (%.2f secs)", mSeekTimeUs, mSeekTimeUs / 1E6);
-
-            options.setSeekTo(
-                    mSeekTimeUs,
-                    mSeeking == SEEK_VIDEO_ONLY
-                        ? MediaSource::ReadOptions::SEEK_NEXT_SYNC
-                        : MediaSource::ReadOptions::SEEK_CLOSEST_SYNC);
-        }
-        for (;;) {
-            status_t err = mVideoSource->read(&mVideoBuffer, &options);
-            options.clearSeekTo();
-
-            if (err != OK) {
-                CHECK(mVideoBuffer == NULL);
-
-                if (err == INFO_FORMAT_CHANGED) {
-                    ALOGV("VideoSource signalled format change.");
-
-                    notifyVideoSize_l();
-
-                    if (mVideoRenderer != NULL) {
-                        mVideoRendererIsPreview = false;
-                        initRenderer_l();
-                    }
-                    continue;
-                }
-
-                // So video playback is complete, but we may still have
-                // a seek request pending that needs to be applied
-                // to the audio track.
-                if (mSeeking != NO_SEEK) {
-                    ALOGV("video stream ended while seeking!");
-                }
-                finishSeekIfNecessary(-1);
-
-                if (mAudioPlayer != NULL
-                        && !(mFlags & (AUDIO_RUNNING | SEEK_PREVIEW))) {
-                    startAudioPlayer_l();
-                }
-
-                mFlags |= VIDEO_AT_EOS;
-                postStreamDoneEvent_l(err);
-                return;
-            }
-
-            if (mVideoBuffer->range_length() == 0) {
-                // Some decoders, notably the PV AVC software decoder
-                // return spurious empty buffers that we just want to ignore.
-
-                mVideoBuffer->release();
-                mVideoBuffer = NULL;
-                continue;
-            }
-
-            break;
-        }
-    }
-
-    int64_t timeUs;
-    CHECK(mVideoBuffer->meta_data()->findInt64(kKeyTime, &timeUs));
-
-    mLastVideoTimeUs = timeUs;
-
-    if (mSeeking == SEEK_VIDEO_ONLY) {
-        if (mSeekTimeUs > timeUs) {
-            ALOGI("XXX mSeekTimeUs = %lld us, timeUs = %lld us",
-                 mSeekTimeUs, timeUs);
-        }
-    }
-
-    {
-        Mutex::Autolock autoLock(mMiscStateLock);
-        mVideoTimeUs = timeUs;
-    }
-
-    SeekType wasSeeking = mSeeking;
-    finishSeekIfNecessary(timeUs);
-
-    if (mAudioPlayer != NULL && !(mFlags & (AUDIO_RUNNING | SEEK_PREVIEW))) {
-        status_t err = startAudioPlayer_l();
-        if (err != OK) {
-            ALOGE("Startung the audio player failed w/ err %d", err);
-            return;
-        }
-    }
-
-    TimeSource *ts = (mFlags & AUDIO_AT_EOS) ? &mSystemTimeSource : mTimeSource;
-
-    if (mFlags & FIRST_FRAME) {
-        mFlags &= ~FIRST_FRAME;
-        mTimeSourceDeltaUs = ts->getRealTimeUs() - timeUs;
-    }
-
-    int64_t realTimeUs, mediaTimeUs;
-    if (!(mFlags & AUDIO_AT_EOS) && mAudioPlayer != NULL
-        && mAudioPlayer->getMediaTimeMapping(&realTimeUs, &mediaTimeUs)) {
-        mTimeSourceDeltaUs = realTimeUs - mediaTimeUs;
-    }
-
-    if (wasSeeking == SEEK_VIDEO_ONLY) {
-        int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
-
-        int64_t latenessUs = nowUs - timeUs;
-
-        if (latenessUs > 0) {
-            ALOGI("after SEEK_VIDEO_ONLY we're late by %.2f secs", latenessUs / 1E6);
-        }
-    }
-
-    if (wasSeeking == NO_SEEK) {
-        // Let's display the first frame after seeking right away.
-
-        int64_t nowUs = ts->getRealTimeUs() - mTimeSourceDeltaUs;
-
-        int64_t latenessUs = nowUs - timeUs;
-
-        if (latenessUs > 500000ll
-                && mAudioPlayer != NULL
-                && mAudioPlayer->getMediaTimeMapping(
-                    &realTimeUs, &mediaTimeUs)) {
-            ALOGI("we're much too late (%.2f secs), video skipping ahead",
-                 latenessUs / 1E6);
-
-            mVideoBuffer->release();
-            mVideoBuffer = NULL;
-
-            mSeeking = SEEK_VIDEO_ONLY;
-            mSeekTimeUs = mediaTimeUs;
-
-            postVideoEvent_l();
-            return;
-        }
-
-        if (latenessUs > 40000) {
-            // We're more than 40ms late.
-            ALOGV("we're late by %lld us (%.2f secs), dropping frame",
-                 latenessUs, latenessUs / 1E6);
-            mVideoBuffer->release();
-            mVideoBuffer = NULL;
-
-            postVideoEvent_l();
-            return;
-        }
-
-        if (latenessUs < -10000) {
-            // We're more than 10ms early.
-
-            postVideoEvent_l(10000);
-            return;
-        }
-    }
-
-    if (mVideoRendererIsPreview || mVideoRenderer == NULL) {
-        mVideoRendererIsPreview = false;
-
-        initRenderer_l();
-    }
-
-    if (mVideoRenderer != NULL) {
-        mVideoRenderer->render(mVideoBuffer);
-    }
-
-    mVideoBuffer->release();
-    mVideoBuffer = NULL;
-
-    if (wasSeeking != NO_SEEK && (mFlags & SEEK_PREVIEW)) {
-        mFlags &= ~SEEK_PREVIEW;
-        return;
-    }
-
-    postVideoEvent_l();
-}
-
-void PreviewPlayerBase::postVideoEvent_l(int64_t delayUs) {
-    if (mVideoEventPending) {
-        return;
-    }
-
-    mVideoEventPending = true;
-    mQueue.postEventWithDelay(mVideoEvent, delayUs < 0 ? 10000 : delayUs);
-}
-
-void PreviewPlayerBase::postStreamDoneEvent_l(status_t status) {
-    if (mStreamDoneEventPending) {
-        return;
-    }
-    mStreamDoneEventPending = true;
-
-    mStreamDoneStatus = status;
-    mQueue.postEvent(mStreamDoneEvent);
-}
-
-void PreviewPlayerBase::postVideoLagEvent_l() {
-    if (mVideoLagEventPending) {
-        return;
-    }
-    mVideoLagEventPending = true;
-    mQueue.postEventWithDelay(mVideoLagEvent, 1000000ll);
-}
-
-void PreviewPlayerBase::postCheckAudioStatusEvent_l(int64_t delayUs) {
-    if (mAudioStatusEventPending) {
-        return;
-    }
-    mAudioStatusEventPending = true;
-    mQueue.postEventWithDelay(mCheckAudioStatusEvent, delayUs);
-}
-
-void PreviewPlayerBase::onCheckAudioStatus() {
-    Mutex::Autolock autoLock(mLock);
-    if (!mAudioStatusEventPending) {
-        // Event was dispatched and while we were blocking on the mutex,
-        // has already been cancelled.
-        return;
-    }
-
-    mAudioStatusEventPending = false;
-
-    if (mWatchForAudioSeekComplete && !mAudioPlayer->isSeeking()) {
-        mWatchForAudioSeekComplete = false;
-
-        if (!mSeekNotificationSent) {
-            notifyListener_l(MEDIA_SEEK_COMPLETE);
-            mSeekNotificationSent = true;
-        }
-
-        mSeeking = NO_SEEK;
-    }
-
-    status_t finalStatus;
-    if (mWatchForAudioEOS && mAudioPlayer->reachedEOS(&finalStatus)) {
-        mWatchForAudioEOS = false;
-        mFlags |= AUDIO_AT_EOS;
-        mFlags |= FIRST_FRAME;
-        postStreamDoneEvent_l(finalStatus);
-    }
-}
-
-status_t PreviewPlayerBase::prepare() {
-    Mutex::Autolock autoLock(mLock);
-    return prepare_l();
-}
-
-status_t PreviewPlayerBase::prepare_l() {
-    if (mFlags & PREPARED) {
-        return OK;
-    }
-
-    if (mFlags & PREPARING) {
-        return UNKNOWN_ERROR;
-    }
-
-    mIsAsyncPrepare = false;
-    status_t err = prepareAsync_l();
-
-    if (err != OK) {
-        return err;
-    }
-
-    while (mFlags & PREPARING) {
-        mPreparedCondition.wait(mLock);
-    }
-
-    return mPrepareResult;
-}
-
-status_t PreviewPlayerBase::prepareAsync() {
-    Mutex::Autolock autoLock(mLock);
-
-    if (mFlags & PREPARING) {
-        return UNKNOWN_ERROR;  // async prepare already pending
-    }
-
-    mIsAsyncPrepare = true;
-    return prepareAsync_l();
-}
-
-status_t PreviewPlayerBase::prepareAsync_l() {
-    if (mFlags & PREPARING) {
-        return UNKNOWN_ERROR;  // async prepare already pending
-    }
-
-    if (!mQueueStarted) {
-        mQueue.start();
-        mQueueStarted = true;
-    }
-
-    mFlags |= PREPARING;
-    mAsyncPrepareEvent = new AwesomeEvent(
-            this, &PreviewPlayerBase::onPrepareAsyncEvent);
-
-    mQueue.postEvent(mAsyncPrepareEvent);
-
-    return OK;
-}
-
-status_t PreviewPlayerBase::finishSetDataSource_l() {
-    sp<DataSource> dataSource =
-            DataSource::CreateFromURI(mUri.string(), NULL);
-
-    if (dataSource == NULL) {
-        return UNKNOWN_ERROR;
-    }
-
-    sp<MediaExtractor> extractor = MediaExtractor::Create(dataSource);
-
-    return setDataSource_l(extractor);
-}
-
-void PreviewPlayerBase::abortPrepare(status_t err) {
-    CHECK(err != OK);
-
-    if (mIsAsyncPrepare) {
-        notifyListener_l(MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, err);
-    }
-
-    mPrepareResult = err;
-    mFlags &= ~(PREPARING|PREPARE_CANCELLED|PREPARING_CONNECTED);
-    mAsyncPrepareEvent = NULL;
-    mPreparedCondition.broadcast();
-}
-
-// static
-bool PreviewPlayerBase::ContinuePreparation(void *cookie) {
-    PreviewPlayerBase *me = static_cast<PreviewPlayerBase *>(cookie);
-
-    return (me->mFlags & PREPARE_CANCELLED) == 0;
-}
-
-void PreviewPlayerBase::onPrepareAsyncEvent() {
-    Mutex::Autolock autoLock(mLock);
-
-    if (mFlags & PREPARE_CANCELLED) {
-        ALOGI("prepare was cancelled before doing anything");
-        abortPrepare(UNKNOWN_ERROR);
-        return;
-    }
-
-    if (mUri.size() > 0) {
-        status_t err = finishSetDataSource_l();
-
-        if (err != OK) {
-            abortPrepare(err);
-            return;
-        }
-    }
-
-    if (mVideoTrack != NULL && mVideoSource == NULL) {
-        status_t err = initVideoDecoder();
-
-        if (err != OK) {
-            abortPrepare(err);
-            return;
-        }
-    }
-
-    if (mAudioTrack != NULL && mAudioSource == NULL) {
-        status_t err = initAudioDecoder();
-
-        if (err != OK) {
-            abortPrepare(err);
-            return;
-        }
-    }
-
-    mFlags |= PREPARING_CONNECTED;
-
-    finishAsyncPrepare_l();
-}
-
-void PreviewPlayerBase::finishAsyncPrepare_l() {
-    if (mIsAsyncPrepare) {
-        if (mVideoSource == NULL) {
-            notifyListener_l(MEDIA_SET_VIDEO_SIZE, 0, 0);
-        } else {
-            notifyVideoSize_l();
-        }
-
-        notifyListener_l(MEDIA_PREPARED);
-    }
-
-    mPrepareResult = OK;
-    mFlags &= ~(PREPARING|PREPARE_CANCELLED|PREPARING_CONNECTED);
-    mFlags |= PREPARED;
-    mAsyncPrepareEvent = NULL;
-    mPreparedCondition.broadcast();
-}
-
-uint32_t PreviewPlayerBase::flags() const {
-    return mExtractorFlags;
-}
-
-void PreviewPlayerBase::postAudioEOS(int64_t delayUs) {
-    Mutex::Autolock autoLock(mLock);
-    postCheckAudioStatusEvent_l(delayUs);
-}
-
-void PreviewPlayerBase::postAudioSeekComplete() {
-    Mutex::Autolock autoLock(mLock);
-    postCheckAudioStatusEvent_l(0 /* delayUs */);
-}
-
-}  // namespace android
diff --git a/libvideoeditor/lvpp/PreviewPlayerBase.h b/libvideoeditor/lvpp/PreviewPlayerBase.h
deleted file mode 100644
index 750df49..0000000
--- a/libvideoeditor/lvpp/PreviewPlayerBase.h
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * 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 PREVIEW_PLAYER_BASE_H_
-
-#define PREVIEW_PLAYER_BASE_H_
-
-#include "TimedEventQueue.h"
-
-#include <media/MediaPlayerInterface.h>
-#include <media/stagefright/MediaSource.h>
-#include <media/stagefright/OMXClient.h>
-#include <media/stagefright/TimeSource.h>
-#include <utils/threads.h>
-
-namespace android {
-
-struct AudioPlayerBase;
-struct MediaBuffer;
-struct MediaExtractor;
-struct MediaSource;
-struct ISurfaceTexture;
-
-struct AwesomeRenderer : public RefBase {
-    AwesomeRenderer() {}
-
-    virtual void render(MediaBuffer *buffer) = 0;
-
-private:
-    AwesomeRenderer(const AwesomeRenderer &);
-    AwesomeRenderer &operator=(const AwesomeRenderer &);
-};
-
-struct PreviewPlayerBase {
-    PreviewPlayerBase();
-    ~PreviewPlayerBase();
-
-    void setListener(const wp<MediaPlayerBase> &listener);
-
-    status_t setDataSource(const char *path);
-    status_t setDataSource(const sp<IStreamSource> &source);
-
-    void reset();
-
-    status_t prepare();
-    status_t prepare_l();
-    status_t prepareAsync();
-    status_t prepareAsync_l();
-
-    status_t play();
-    status_t pause();
-
-    bool isPlaying() const;
-
-    void setSurface(const sp<Surface> &surface);
-    void setSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture);
-    void setAudioSink(const sp<MediaPlayerBase::AudioSink> &audioSink);
-    status_t setLooping(bool shouldLoop);
-
-    status_t getDuration(int64_t *durationUs);
-    status_t getPosition(int64_t *positionUs);
-
-    status_t seekTo(int64_t timeUs);
-
-    // This is a mask of MediaExtractor::Flags.
-    uint32_t flags() const;
-
-    void postAudioEOS(int64_t delayUs = 0ll);
-    void postAudioSeekComplete();
-
-private:
-    friend struct AwesomeEvent;
-    friend struct PreviewPlayer;
-
-    enum {
-        PLAYING             = 1,
-        LOOPING             = 2,
-        FIRST_FRAME         = 4,
-        PREPARING           = 8,
-        PREPARED            = 16,
-        AT_EOS              = 32,
-        PREPARE_CANCELLED   = 64,
-        CACHE_UNDERRUN      = 128,
-        AUDIO_AT_EOS        = 256,
-        VIDEO_AT_EOS        = 512,
-        AUTO_LOOPING        = 1024,
-
-        // We are basically done preparing but are currently buffering
-        // sufficient data to begin playback and finish the preparation phase
-        // for good.
-        PREPARING_CONNECTED = 2048,
-
-        // We're triggering a single video event to display the first frame
-        // after the seekpoint.
-        SEEK_PREVIEW        = 4096,
-
-        AUDIO_RUNNING       = 8192,
-        AUDIOPLAYER_STARTED = 16384,
-
-        INCOGNITO           = 32768,
-    };
-
-    mutable Mutex mLock;
-    Mutex mMiscStateLock;
-
-    OMXClient mClient;
-    TimedEventQueue mQueue;
-    bool mQueueStarted;
-    wp<MediaPlayerBase> mListener;
-
-    sp<Surface> mSurface;
-    sp<ANativeWindow> mNativeWindow;
-    sp<MediaPlayerBase::AudioSink> mAudioSink;
-
-    SystemTimeSource mSystemTimeSource;
-    TimeSource *mTimeSource;
-
-    String8 mUri;
-    KeyedVector<String8, String8> mUriHeaders;
-
-    sp<MediaSource> mVideoTrack;
-    sp<MediaSource> mVideoSource;
-    sp<AwesomeRenderer> mVideoRenderer;
-    bool mVideoRendererIsPreview;
-
-    sp<MediaSource> mAudioTrack;
-    sp<MediaSource> mAudioSource;
-    AudioPlayerBase *mAudioPlayer;
-    int64_t mDurationUs;
-
-    int32_t mDisplayWidth;
-    int32_t mDisplayHeight;
-
-    uint32_t mFlags;
-    uint32_t mExtractorFlags;
-
-    int64_t mTimeSourceDeltaUs;
-    int64_t mVideoTimeUs;
-
-    enum SeekType {
-        NO_SEEK,
-        SEEK,
-        SEEK_VIDEO_ONLY
-    };
-    SeekType mSeeking;
-
-    bool mSeekNotificationSent;
-    int64_t mSeekTimeUs;
-
-    int64_t mBitrate;  // total bitrate of the file (in bps) or -1 if unknown.
-
-    bool mWatchForAudioSeekComplete;
-    bool mWatchForAudioEOS;
-
-    sp<TimedEventQueue::Event> mVideoEvent;
-    bool mVideoEventPending;
-    sp<TimedEventQueue::Event> mStreamDoneEvent;
-    bool mStreamDoneEventPending;
-    sp<TimedEventQueue::Event> mCheckAudioStatusEvent;
-    bool mAudioStatusEventPending;
-    sp<TimedEventQueue::Event> mVideoLagEvent;
-    bool mVideoLagEventPending;
-
-    sp<TimedEventQueue::Event> mAsyncPrepareEvent;
-    Condition mPreparedCondition;
-    bool mIsAsyncPrepare;
-    status_t mPrepareResult;
-    status_t mStreamDoneStatus;
-
-    void postVideoEvent_l(int64_t delayUs = -1);
-    void postBufferingEvent_l();
-    void postStreamDoneEvent_l(status_t status);
-    void postCheckAudioStatusEvent_l(int64_t delayUs);
-    void postVideoLagEvent_l();
-    status_t play_l();
-
-    MediaBuffer *mVideoBuffer;
-
-    int64_t mLastVideoTimeUs;
-
-    ARect mCropRect;
-    int32_t mGivenWidth, mGivenHeight;
-
-    status_t setDataSource_l(const char *path);
-    status_t setDataSource_l(const sp<MediaExtractor> &extractor);
-    void reset_l();
-    status_t seekTo_l(int64_t timeUs);
-    status_t pause_l(bool at_eos = false);
-    void initRenderer_l();
-    void notifyVideoSize_l();
-    void seekAudioIfNecessary_l();
-
-    void cancelPlayerEvents();
-
-    void setAudioSource(sp<MediaSource> source);
-    status_t initAudioDecoder();
-
-    void setVideoSource(sp<MediaSource> source);
-    status_t initVideoDecoder(uint32_t flags = 0);
-
-    void onStreamDone();
-
-    void notifyListener_l(int msg, int ext1 = 0, int ext2 = 0);
-
-    void onVideoEvent();
-    void onBufferingUpdate();
-    void onCheckAudioStatus();
-    void onPrepareAsyncEvent();
-    void abortPrepare(status_t err);
-    void finishAsyncPrepare_l();
-    void onVideoLagUpdate();
-
-    status_t finishSetDataSource_l();
-
-    static bool ContinuePreparation(void *cookie);
-
-    void finishSeekIfNecessary(int64_t videoTimeUs);
-
-    status_t startAudioPlayer_l();
-
-    void shutdownVideoDecoder_l();
-    void setNativeWindow_l(const sp<ANativeWindow> &native);
-
-    PreviewPlayerBase(const PreviewPlayerBase &);
-    PreviewPlayerBase &operator=(const PreviewPlayerBase &);
-};
-
-}  // namespace android
-
-#endif  // PREVIEW_PLAYER_BASE_H_
-
diff --git a/libvideoeditor/lvpp/VideoEditorAudioPlayer.cpp b/libvideoeditor/lvpp/VideoEditorAudioPlayer.cpp
index b3d63ed..0b642ac 100755
--- a/libvideoeditor/lvpp/VideoEditorAudioPlayer.cpp
+++ b/libvideoeditor/lvpp/VideoEditorAudioPlayer.cpp
@@ -34,7 +34,7 @@ namespace android {
 
 VideoEditorAudioPlayer::VideoEditorAudioPlayer(
         const sp<MediaPlayerBase::AudioSink> &audioSink,
-        PreviewPlayerBase *observer)
+        PreviewPlayer *observer)
     : AudioPlayerBase(audioSink, observer) {
 
     ALOGV("VideoEditorAudioPlayer");
@@ -96,7 +96,7 @@ sp<MediaSource> VideoEditorAudioPlayer::getSource() {
     return mSource;
 }
 
-void VideoEditorAudioPlayer::setObserver(PreviewPlayerBase *observer) {
+void VideoEditorAudioPlayer::setObserver(PreviewPlayer *observer) {
     ALOGV("setObserver");
     //CHECK(!mStarted);
     mObserver = observer;
diff --git a/libvideoeditor/lvpp/VideoEditorAudioPlayer.h b/libvideoeditor/lvpp/VideoEditorAudioPlayer.h
index 450a70a..2eab4c5 100755
--- a/libvideoeditor/lvpp/VideoEditorAudioPlayer.h
+++ b/libvideoeditor/lvpp/VideoEditorAudioPlayer.h
@@ -27,7 +27,7 @@
 #include "M4OSA_FileReader.h"
 #include "VideoEditorBGAudioProcessing.h"
 #include "AudioPlayerBase.h"
-#include "PreviewPlayerBase.h"
+#include "PreviewPlayer.h"
 
 namespace android {
 
@@ -44,7 +44,7 @@ public:
     };
 
     VideoEditorAudioPlayer(const sp<MediaPlayerBase::AudioSink> &audioSink,
-        PreviewPlayerBase *audioObserver = NULL);
+        PreviewPlayer *audioObserver = NULL);
 
     virtual ~VideoEditorAudioPlayer();
 
@@ -58,7 +58,7 @@ public:
         M4OSA_UInt32 pBGAudioCurrentMediaBeginCutTS,
         M4OSA_UInt32 pBGAudioCurrentMediaVolumeVal);
 
-    void setObserver(PreviewPlayerBase *observer);
+    void setObserver(PreviewPlayer *observer);
     void setSource(const sp<MediaSource> &source);
     sp<MediaSource> getSource();
 
diff --git a/libvideoeditor/lvpp/VideoEditorPlayer.cpp b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
index 8e66f73..fa2834a 100755
--- a/libvideoeditor/lvpp/VideoEditorPlayer.cpp
+++ b/libvideoeditor/lvpp/VideoEditorPlayer.cpp
@@ -201,7 +201,7 @@ status_t VideoEditorPlayer::getMetadata(
         const media::Metadata::Filter& ids, Parcel *records) {
     using media::Metadata;
 
-    uint32_t flags = mPlayer->flags();
+    uint32_t flags = mPlayer->getSourceSeekFlags();
 
     Metadata metadata(records);
 
diff --git a/libvideoeditor/lvpp/VideoEditorSRC.cpp b/libvideoeditor/lvpp/VideoEditorSRC.cpp
index 3e8c498..27ae26e 100755
--- a/libvideoeditor/lvpp/VideoEditorSRC.cpp
+++ b/libvideoeditor/lvpp/VideoEditorSRC.cpp
@@ -17,24 +17,27 @@
 //#define LOG_NDEBUG 0
 #define LOG_TAG "VideoEditorSRC"
 
-#include "VideoEditorSRC.h"
+#include <stdlib.h>
+#include <utils/Log.h>
 #include <audio_utils/primitives.h>
 #include <media/stagefright/MetaData.h>
 #include <media/stagefright/MediaDebug.h>
 #include <media/stagefright/MediaBuffer.h>
 #include <media/stagefright/MediaDefs.h>
 #include "AudioMixer.h"
-#include <utils/Log.h>
+#include "VideoEditorSRC.h"
+
 
 namespace android {
 
 VideoEditorSRC::VideoEditorSRC(const sp<MediaSource> &source) {
-    ALOGV("VideoEditorSRC::VideoEditorSRC %p(%p)", this, source.get());
+    ALOGV("VideoEditorSRC %p(%p)", this, source.get());
+    static const int32_t kDefaultSamplingFreqencyHz = kFreq32000Hz;
     mSource = source;
     mResampler = NULL;
     mChannelCnt = 0;
     mSampleRate = 0;
-    mOutputSampleRate = DEFAULT_SAMPLING_FREQ;
+    mOutputSampleRate = kDefaultSamplingFreqencyHz;
     mStarted = false;
     mInitialTimeStampUs = -1;
     mAccuOutBufferSize  = 0;
@@ -54,18 +57,18 @@ VideoEditorSRC::VideoEditorSRC(const sp<MediaSource> &source) {
     // Set the metadata of the output after resampling.
     mOutputFormat = new MetaData;
     mOutputFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_AUDIO_RAW);
-    mOutputFormat->setInt32(kKeySampleRate, DEFAULT_SAMPLING_FREQ);
-    mOutputFormat->setInt32(kKeyChannelCount, 2);
+    mOutputFormat->setInt32(kKeySampleRate, kDefaultSamplingFreqencyHz);
+    mOutputFormat->setInt32(kKeyChannelCount, 2);  // always stereo
 }
 
 VideoEditorSRC::~VideoEditorSRC() {
-    ALOGV("VideoEditorSRC::~VideoEditorSRC %p(%p)", this, mSource.get());
+    ALOGV("~VideoEditorSRC %p(%p)", this, mSource.get());
     stop();
 }
 
 status_t VideoEditorSRC::start(MetaData *params) {
+    ALOGV("start %p(%p)", this, mSource.get());
     CHECK(!mStarted);
-    ALOGV("VideoEditorSRC:start %p(%p)", this, mSource.get());
 
     // Set resampler if required
     checkAndSetResampler();
@@ -79,17 +82,21 @@ status_t VideoEditorSRC::start(MetaData *params) {
 }
 
 status_t VideoEditorSRC::stop() {
-    ALOGV("VideoEditorSRC::stop %p(%p)", this, mSource.get());
-    if (!mStarted) return OK;
+    ALOGV("stop %p(%p)", this, mSource.get());
+    if (!mStarted) {
+        return OK;
+    }
+
     if (mBuffer) {
         mBuffer->release();
         mBuffer = NULL;
     }
     mSource->stop();
-    if(mResampler != NULL) {
+    if (mResampler != NULL) {
         delete mResampler;
         mResampler = NULL;
     }
+
     mStarted = false;
     mInitialTimeStampUs = -1;
     mAccuOutBufferSize = 0;
@@ -99,13 +106,13 @@ status_t VideoEditorSRC::stop() {
 }
 
 sp<MetaData> VideoEditorSRC::getFormat() {
-    ALOGV("VideoEditorSRC::getFormat");
+    ALOGV("getFormat");
     return mOutputFormat;
 }
 
 status_t VideoEditorSRC::read(
         MediaBuffer **buffer_out, const ReadOptions *options) {
-    ALOGV("VideoEditorSRC::read %p(%p)", this, mSource.get());
+    ALOGV("read %p(%p)", this, mSource.get());
     *buffer_out = NULL;
 
     if (!mStarted) {
@@ -123,11 +130,17 @@ status_t VideoEditorSRC::read(
         }
 
         // We ask for 1024 frames in output
-        const size_t outFrameCnt = 1024;
         // resampler output is always 2 channels and 32 bits
-        int32_t *pTmpBuffer = (int32_t *)calloc(1, outFrameCnt * 2 * sizeof(int32_t));
+        const size_t kOutputFrameCount = 1024;
+        const size_t kBytes = kOutputFrameCount * 2 * sizeof(int32_t);
+        int32_t *pTmpBuffer = (int32_t *)calloc(1, kBytes);
+        if (!pTmpBuffer) {
+            ALOGE("calloc failed to allocate memory: %d bytes", kBytes);
+            return NO_MEMORY;
+        }
+
         // Resample to target quality
-        mResampler->resample(pTmpBuffer, outFrameCnt, this);
+        mResampler->resample(pTmpBuffer, kOutputFrameCount, this);
 
         if (mStopPending) {
             stop();
@@ -143,13 +156,13 @@ status_t VideoEditorSRC::read(
         }
 
         // Create a new MediaBuffer
-        int32_t outBufferSize = outFrameCnt * 2 * sizeof(int16_t);
+        int32_t outBufferSize = kOutputFrameCount * 2 * sizeof(int16_t);
         MediaBuffer* outBuffer = new MediaBuffer(outBufferSize);
 
         // Convert back to 2 channels and 16 bits
         ditherAndClamp(
                 (int32_t *)((uint8_t*)outBuffer->data() + outBuffer->range_offset()),
-                pTmpBuffer, outFrameCnt);
+                pTmpBuffer, kOutputFrameCount);
         free(pTmpBuffer);
 
         // Compute and set the new timestamp
@@ -187,7 +200,7 @@ status_t VideoEditorSRC::read(
 }
 
 status_t VideoEditorSRC::getNextBuffer(AudioBufferProvider::Buffer *pBuffer) {
-    ALOGV("Requesting %d, chan = %d", pBuffer->frameCount, mChannelCnt);
+    ALOGV("getNextBuffer %d, chan = %d", pBuffer->frameCount, mChannelCnt);
     uint32_t done = 0;
     uint32_t want = pBuffer->frameCount * mChannelCnt * 2;
     pBuffer->raw = malloc(want);
@@ -272,6 +285,7 @@ status_t VideoEditorSRC::getNextBuffer(AudioBufferProvider::Buffer *pBuffer) {
 
 
 void VideoEditorSRC::releaseBuffer(AudioBufferProvider::Buffer *pBuffer) {
+    ALOGV("releaseBuffer: %p", pBuffers);
     free(pBuffer->raw);
     pBuffer->raw = NULL;
     pBuffer->frameCount = 0;
@@ -280,6 +294,7 @@ void VideoEditorSRC::releaseBuffer(AudioBufferProvider::Buffer *pBuffer) {
 void VideoEditorSRC::checkAndSetResampler() {
     ALOGV("checkAndSetResampler");
 
+    static const uint16_t kUnityGain = 0x1000;
     sp<MetaData> format = mSource->getFormat();
     const char *mime;
     CHECK(format->findCString(kKeyMIMEType, &mime));
@@ -301,7 +316,7 @@ void VideoEditorSRC::checkAndSetResampler() {
     }
 
     if (mSampleRate != mOutputSampleRate || mChannelCnt != 2) {
-        ALOGV("Resampling required (in rate %d, out rate %d, in channel %d)",
+        ALOGV("Resampling required (%d => %d Hz, # channels = %d)",
             mSampleRate, mOutputSampleRate, mChannelCnt);
 
         mResampler = AudioResampler::create(
@@ -311,9 +326,10 @@ void VideoEditorSRC::checkAndSetResampler() {
                         AudioResampler::DEFAULT);
         CHECK(mResampler);
         mResampler->setSampleRate(mSampleRate);
-        mResampler->setVolume(UNITY_GAIN, UNITY_GAIN);
+        mResampler->setVolume(kUnityGain, kUnityGain);
     } else {
-        ALOGV("Resampling not required (%d = %d)", mSampleRate, mOutputSampleRate);
+        ALOGV("Resampling not required (%d => %d Hz, # channels = %d)",
+            mSampleRate, mOutputSampleRate, mChannelCnt);
     }
 }
 
diff --git a/libvideoeditor/lvpp/VideoEditorSRC.h b/libvideoeditor/lvpp/VideoEditorSRC.h
index eabafde..3eb8c6c 100755
--- a/libvideoeditor/lvpp/VideoEditorSRC.h
+++ b/libvideoeditor/lvpp/VideoEditorSRC.h
@@ -14,13 +14,9 @@
  * limitations under the License.
  */
 
-#include <stdint.h>
-
-#include <utils/RefBase.h>
-#include <utils/threads.h>
 
+#include <stdint.h>
 #include <media/stagefright/MediaSource.h>
-
 #include "AudioBufferProvider.h"
 #include "AudioResampler.h"
 
@@ -30,61 +26,61 @@ struct MediaBuffer;
 
 class VideoEditorSRC : public MediaSource , public AudioBufferProvider {
 
-    public:
-        VideoEditorSRC(
-            const sp<MediaSource> &source);
+public:
+    VideoEditorSRC(const sp<MediaSource> &source);
 
-        virtual status_t start (MetaData *params = NULL);
-        virtual status_t stop();
-        virtual sp<MetaData> getFormat();
-        virtual status_t read (
-            MediaBuffer **buffer, const ReadOptions *options = NULL);
+    virtual status_t start (MetaData *params = NULL);
+    virtual status_t stop();
+    virtual sp<MetaData> getFormat();
+    virtual status_t read (
+                MediaBuffer **buffer, const ReadOptions *options = NULL);
 
-        virtual status_t getNextBuffer(Buffer* buffer);
-        virtual void releaseBuffer(Buffer* buffer);
+    virtual status_t getNextBuffer(Buffer* buffer);
+    virtual void releaseBuffer(Buffer* buffer);
 
-    enum { //Sampling freq
-        kFreq8000Hz = 8000,
+    // Sampling freqencies
+    enum {
+        kFreq8000Hz  = 8000,
         kFreq11025Hz = 11025,
         kFreq12000Hz = 12000,
         kFreq16000Hz = 16000,
         kFreq22050Hz = 22050,
         kFreq24000Hz = 24000,
         kFreq32000Hz = 32000,
-        kFreq44100 = 44100,
-        kFreq48000 = 48000,
+        kFreq44100Hz = 44100,
+        kFreq48000Hz = 48000,
     };
 
-    static const uint16_t UNITY_GAIN = 0x1000;
-    static const int32_t DEFAULT_SAMPLING_FREQ = (int32_t)kFreq32000Hz;
+protected :
+    virtual ~VideoEditorSRC();
 
-    protected :
-        virtual ~VideoEditorSRC();
-    private:
+private:
+    AudioResampler *mResampler;
+    sp<MediaSource> mSource;
+    int mChannelCnt;
+    int mSampleRate;
+    int32_t mOutputSampleRate;
+    bool mStarted;
+    sp<MetaData> mOutputFormat;
 
-        VideoEditorSRC();
-        VideoEditorSRC &operator=(const VideoEditorSRC &);
+    MediaBuffer* mBuffer;
+    int32_t mLeftover;
+    bool mFormatChanged;
+    bool mStopPending;
 
-        void checkAndSetResampler();
+    int64_t mInitialTimeStampUs;
+    int64_t mAccuOutBufferSize;
 
-        AudioResampler        *mResampler;
-        sp<MediaSource>      mSource;
-        int mChannelCnt;
-        int mSampleRate;
-        int32_t mOutputSampleRate;
-        bool mStarted;
-        sp<MetaData> mOutputFormat;
+    int64_t mSeekTimeUs;
+    ReadOptions::SeekMode mSeekMode;
 
-        MediaBuffer* mBuffer;
-        int32_t mLeftover;
-        bool mFormatChanged;
-        bool mStopPending;
+    VideoEditorSRC();
+    void checkAndSetResampler();
 
-        int64_t mInitialTimeStampUs;
-        int64_t mAccuOutBufferSize;
+    // Don't call me
+    VideoEditorSRC(const VideoEditorSRC&);
+    VideoEditorSRC &operator=(const VideoEditorSRC &);
 
-        int64_t mSeekTimeUs;
-        ReadOptions::SeekMode mSeekMode;
 };
 
 } //namespce android