diff --git a/src/multimedia/private/qqtlogicvideomanager_p.cpp b/src/multimedia/private/qqtlogicvideomanager_p.cpp
index 88d750d5..8ca99f4c 100644
--- a/src/multimedia/private/qqtlogicvideomanager_p.cpp
+++ b/src/multimedia/private/qqtlogicvideomanager_p.cpp
@@ -1,9 +1,9 @@
 #include <qqtlogicvideomanager_p.h>
 #include <qqtlogicvideomanager.h>
 
-int QQtLogicVideoManagerPrivate::sDmmuRefCount = 0;
+int QQtLogicVideoInputPrivate::sDmmuRefCount = 0;
 
-QQtLogicVideoManagerPrivate::QQtLogicVideoManagerPrivate ( QQtLogicVideoManager* q, QObject* parent )
+QQtLogicVideoInputPrivate::QQtLogicVideoInputPrivate ( QQtLogicVideoInput* q, QObject* parent )
     : q_ptr ( q ), QObject ( parent )
 {
     memset ( &sinfo, 0, sizeof ( struct sensor_info ) );
@@ -42,7 +42,7 @@ QQtLogicVideoManagerPrivate::QQtLogicVideoManagerPrivate ( QQtLogicVideoManager*
     sDmmuRefCount++;
 }
 
-QQtLogicVideoManagerPrivate::~QQtLogicVideoManagerPrivate()
+QQtLogicVideoInputPrivate::~QQtLogicVideoInputPrivate()
 {
     sDmmuRefCount--;
     if ( sDmmuRefCount <= 0 )
@@ -51,18 +51,18 @@ QQtLogicVideoManagerPrivate::~QQtLogicVideoManagerPrivate()
     }
 }
 
-void QQtLogicVideoManagerPrivate::init_dmmu()
+void QQtLogicVideoInputPrivate::init_dmmu()
 {
     dmmu_init();
     dmmu_get_page_table_base_phys ( &tlb_base_phys );
 }
 
-void QQtLogicVideoManagerPrivate::deinit_dmmu()
+void QQtLogicVideoInputPrivate::deinit_dmmu()
 {
     dmmu_deinit();
 }
 
-bool QQtLogicVideoManagerPrivate::open ( QString devName )
+bool QQtLogicVideoInputPrivate::open ( QString devName )
 {
     //待测试
     close();
@@ -175,7 +175,7 @@ bool QQtLogicVideoManagerPrivate::open ( QString devName )
     return true;
 }
 
-bool QQtLogicVideoManagerPrivate::close()
+bool QQtLogicVideoInputPrivate::close()
 {
     timer->stop();
 
@@ -210,7 +210,7 @@ bool QQtLogicVideoManagerPrivate::close()
     return true;
 }
 
-void QQtLogicVideoManagerPrivate::slotSendImageToClient()
+void QQtLogicVideoInputPrivate::slotSendImageToClient()
 {
     if ( fd <= 0 )
         return;
diff --git a/src/multimedia/private/qqtlogicvideomanager_p.h b/src/multimedia/private/qqtlogicvideomanager_p.h
index 64a730e2..cca55ea7 100644
--- a/src/multimedia/private/qqtlogicvideomanager_p.h
+++ b/src/multimedia/private/qqtlogicvideomanager_p.h
@@ -23,14 +23,14 @@ extern "C" {
 
 #include <qqtimageconverter.h>
 
-class QQtLogicVideoManager;
-class QQtLogicVideoManagerPrivate : public QObject
+class QQtLogicVideoInput;
+class QQtLogicVideoInputPrivate : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit QQtLogicVideoManagerPrivate ( QQtLogicVideoManager* q, QObject* parent = 0 );
-    virtual ~QQtLogicVideoManagerPrivate();
+    explicit QQtLogicVideoInputPrivate ( QQtLogicVideoInput* q, QObject* parent = 0 );
+    virtual ~QQtLogicVideoInputPrivate();
 
     bool open ( QString devName );
     bool close();
@@ -70,8 +70,8 @@ private:
 protected:
 
 private:
-    Q_DECLARE_PUBLIC ( QQtLogicVideoManager )
-    QQtLogicVideoManager* q_ptr;
+    Q_DECLARE_PUBLIC ( QQtLogicVideoInput )
+    QQtLogicVideoInput* q_ptr;
 
     static int sDmmuRefCount;
 };
diff --git a/src/multimedia/qqtlogicpreviewwidget.cpp b/src/multimedia/qqtlogicpreviewwidget.cpp
index 800be251..59c47345 100644
--- a/src/multimedia/qqtlogicpreviewwidget.cpp
+++ b/src/multimedia/qqtlogicpreviewwidget.cpp
@@ -6,7 +6,7 @@ QQtLogicPreviewWidget::QQtLogicPreviewWidget ( QWidget* parent ) :
     ui ( new Ui::QQtLogicPreviewWidget )
 {
     ui->setupUi ( this );
-    manager = new QQtLogicVideoManager ( this );
+    manager = new QQtLogicVideoInput ( this );
     connect ( manager, SIGNAL ( readyRead ( const QImage& ) ),
               this, SLOT ( slotReadyRead ( const QImage& ) ) );
 }
diff --git a/src/multimedia/qqtlogicpreviewwidget.h b/src/multimedia/qqtlogicpreviewwidget.h
index c9d149ea..5ef0a373 100644
--- a/src/multimedia/qqtlogicpreviewwidget.h
+++ b/src/multimedia/qqtlogicpreviewwidget.h
@@ -41,7 +41,7 @@ private:
     QRect geome;
     Qt::WindowFlags flags;
 
-    QQtLogicVideoManager* manager;
+    QQtLogicVideoInput* manager;
     QImage mImage;
     // QWidget interface
 protected:
diff --git a/src/multimedia/qqtlogicvideomanager.cpp b/src/multimedia/qqtlogicvideomanager.cpp
index 1e82bdc6..1549c2ef 100644
--- a/src/multimedia/qqtlogicvideomanager.cpp
+++ b/src/multimedia/qqtlogicvideomanager.cpp
@@ -1,25 +1,45 @@
 #include "qqtlogicvideomanager.h"
 #include "qqtlogicvideomanager_p.h"
 
-QQtLogicVideoManager::QQtLogicVideoManager ( QObject* parent ) :
-    d_ptr ( new QQtLogicVideoManagerPrivate ( this, this ) ), QObject ( parent )
+QQtLogicVideoInput::QQtLogicVideoInput ( QObject* parent ) :
+    d_ptr ( new QQtLogicVideoInputPrivate ( this, this ) ), QObject ( parent )
 {
 }
 
-QQtLogicVideoManager::~QQtLogicVideoManager()
+QQtLogicVideoInput::~QQtLogicVideoInput()
 {
-    Q_D ( QQtLogicVideoManager );
+    Q_D ( QQtLogicVideoInput );
     d->deleteLater();
 }
 
-bool QQtLogicVideoManager::open ( QString devName )
+bool QQtLogicVideoInput::open ( QString devName )
 {
-    Q_D ( QQtLogicVideoManager );
+    Q_D ( QQtLogicVideoInput );
     return d->open ( devName );
 }
 
-bool QQtLogicVideoManager::close()
+bool QQtLogicVideoInput::close()
 {
-    Q_D ( QQtLogicVideoManager );
+    Q_D ( QQtLogicVideoInput );
     return d->close();
 }
+
+QQtLogicVideoManager::QQtLogicVideoManager ( QObject* parent )
+    : QObject ( parent )
+{
+    mInputManager = new QQtLogicVideoInput ( this );
+    connect ( mInputManager, SIGNAL ( readyRead ( const QImage& ) ),
+              this, SIGNAL ( readyRead ( const QImage& ) ) );
+}
+
+QQtLogicVideoManager::~QQtLogicVideoManager() {}
+
+bool QQtLogicVideoManager::openInput ( QString devName )
+{
+    return mInputManager->open ( devName );
+}
+
+bool QQtLogicVideoManager::closeInput()
+{
+    return mInputManager->close();
+}
diff --git a/src/multimedia/qqtlogicvideomanager.h b/src/multimedia/qqtlogicvideomanager.h
index ef180fd3..6638e992 100644
--- a/src/multimedia/qqtlogicvideomanager.h
+++ b/src/multimedia/qqtlogicvideomanager.h
@@ -6,17 +6,17 @@
 
 #include "qqt-local.h"
 /**
- * @brief The QQtLogicVideoManager class
+ * @brief The QQtLogicVideoInput class
  * 模拟摄像头管理器
  */
-class QQtLogicVideoManagerPrivate;
-class QQTSHARED_EXPORT QQtLogicVideoManager : public QObject
+class QQtLogicVideoInputPrivate;
+class QQTSHARED_EXPORT QQtLogicVideoInput : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit QQtLogicVideoManager ( QObject* parent = 0 );
-    virtual ~QQtLogicVideoManager();
+    explicit QQtLogicVideoInput ( QObject* parent = 0 );
+    virtual ~QQtLogicVideoInput();
 
     //开启某个确定的模拟摄像头
     bool open ( QString devName = "/dev/cim" );
@@ -29,8 +29,32 @@ signals:
 protected:
 
 private:
-    Q_DECLARE_PRIVATE ( QQtLogicVideoManager )
-    QQtLogicVideoManagerPrivate* d_ptr;
+    Q_DECLARE_PRIVATE ( QQtLogicVideoInput )
+    QQtLogicVideoInputPrivate* d_ptr;
+};
+
+/**
+ * @brief The QQtLogicVideoManager class
+ */
+class QQTSHARED_EXPORT QQtLogicVideoManager : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QQtLogicVideoManager ( QObject* parent = 0 );
+    virtual ~QQtLogicVideoManager();
+
+
+public:
+    //开启某个确定的模拟摄像头
+    bool openInput ( QString devName = "/dev/cim" );
+    bool closeInput();
+
+signals:
+    //获取图像
+    void readyRead ( const QImage& image );
+
+private:
+    QQtLogicVideoInput* mInputManager;
 };
 
 #endif // QQTLOGICVIDEOMANAGER_H
diff --git a/src/qqt_header.pri b/src/qqt_header.pri
index 374c2ff1..99e21b21 100644
--- a/src/qqt_header.pri
+++ b/src/qqt_header.pri
@@ -239,6 +239,7 @@ defineTest(add_defines_QQt){
         #LOGIC CAMERA PREVIEW
         #depend on dmmu
         #need fix, linux embedded armhf32 mips
+        #DEFINES += __LOGICCAMERAMODULE__
         contains(QSYS_PRIVATE, Embedded|Armhf32|Mips32):DEFINES += __LOGICCAMERAMODULE__
     }