Avmedia/VLC: Zooming 1:2, 2:1, 1:1

Doesn't work nice yet :)

Change-Id: I0fbdaea1cc64a94a9b63975b8b24c8d7e6251f6f

avmedia/source/vlc/vlcplayer.cxx

@@ -37,6 +37,16 @@ VLCPlayer::VLCPlayer( const rtl::OUString& url,
     mPlayer.setMouseHandling( false );
 }
 
+unsigned VLCPlayer::getWidth() const
+{
+    return mPlayer.getWidth();
+}
+
+unsigned VLCPlayer::getHeight() const
+{
+    return mPlayer.getHeight();
+}
+
 void SAL_CALL VLCPlayer::start() throw ( ::com::sun::star::uno::RuntimeException )
 {
     ::osl::MutexGuard aGuard(m_aMutex);
@@ -61,6 +71,12 @@ double SAL_CALL VLCPlayer::getDuration() throw ( ::com::sun::star::uno::RuntimeE
     return static_cast<double>( mMedia.getDuration() ) / MS_IN_SEC;
 }
 
+void SAL_CALL VLCPlayer::setScale( float factor )
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    mPlayer.setScale( factor );
+}
+
 void SAL_CALL VLCPlayer::setMediaTime( double fTime ) throw ( ::com::sun::star::uno::RuntimeException )
 {
     ::osl::MutexGuard aGuard(m_aMutex);

avmedia/source/vlc/vlcplayer.hxx

@@ -57,6 +57,10 @@ public:
                wrapper::Instance& instance,
                wrapper::EventHandler& eh );
 
+    unsigned getWidth() const;
+    unsigned getHeight() const;
+
+    void SAL_CALL setScale( float factor );
     void SAL_CALL setWindowID( const intptr_t windowID );
 
     void SAL_CALL start() throw ( ::com::sun::star::uno::RuntimeException );

avmedia/source/vlc/vlcwindow.cxx

@@ -41,6 +41,21 @@ void SAL_CALL VLCWindow::update() throw (css::uno::RuntimeException)
             meZoomLevel = eZoomLevel;
         }
 
+        switch ( static_cast<int>( eZoomLevel ) )
+        {
+        case media::ZoomLevel_ORIGINAL:
+            mPlayer.setScale( 1.0 );
+            break;
+        case media::ZoomLevel_FIT_TO_WINDOW:
+            break;
+        case media::ZoomLevel_ZOOM_1_TO_2:
+            mPlayer.setScale( 0.5 );
+            break;
+        case media::ZoomLevel_ZOOM_2_TO_1:
+            mPlayer.setScale( 2.0 );
+            break;
+        }
+
         bRet = true;
     }
 
@@ -87,7 +102,7 @@ void SAL_CALL VLCWindow::removeEventListener( const uno::Reference< lang::XEvent
 {
 }
 
-void SAL_CALL VLCWindow::setPosSize( sal_Int32, sal_Int32, sal_Int32, sal_Int32, sal_Int16 )
+void SAL_CALL VLCWindow::setPosSize( sal_Int32 X, sal_Int32 Y, sal_Int32 Width, sal_Int32 Height, sal_Int16 Flags )
     throw (uno::RuntimeException)
 {
 }
@@ -98,8 +113,8 @@ awt::Rectangle SAL_CALL VLCWindow::getPosSize()
     awt::Rectangle aRet;
 
     aRet.X = aRet.Y = 0;
-    aRet.Width = 320;
-    aRet.Height = 240;
+    aRet.Width = mPlayer.getWidth();
+    aRet.Height = mPlayer.getHeight();
 
     return aRet;
 }

avmedia/source/vlc/wrapper/Player.cxx

@@ -46,7 +46,10 @@ namespace
 #error unknown OS
 #endif
     unsigned ( *libvlc_media_player_has_vout ) ( libvlc_media_player_t *p_mi );
-    void ( *libvlc_video_set_mouse_input ) ( libvlc_media_player_t *p_mi, unsigned on);
+    void ( *libvlc_video_set_mouse_input ) ( libvlc_media_player_t *p_mi, unsigned on );
+    void ( *libvlc_video_set_scale ) ( libvlc_media_player_t *p_mi, float f_factor );
+    int ( *libvlc_video_get_size ) ( libvlc_media_player_t *p_mi, unsigned num,
+                                     unsigned *px, unsigned *py );
 }
 
 namespace avmedia
@@ -82,7 +85,9 @@ namespace wrapper
 #endif
             SYM_MAP( libvlc_media_player_has_vout ),
             SYM_MAP( libvlc_video_set_mouse_input ),
-            SYM_MAP( libvlc_media_player_retain )
+            SYM_MAP( libvlc_media_player_retain ),
+            SYM_MAP( libvlc_video_set_scale ),
+            SYM_MAP( libvlc_video_get_size )
         };
 
         return InitApiMap( VLC_PLAYER_API );
@@ -138,6 +143,25 @@ namespace wrapper
         return ( time == -1 ? 0 : time );
     }
 
+    void Player::setScale( float factor )
+    {
+        libvlc_video_set_scale( mPlayer, factor );
+    }
+
+    unsigned Player::getWidth() const
+    {
+        unsigned width, height;
+        libvlc_video_get_size( mPlayer, 0, &width, &height );
+        return width;
+    }
+
+    unsigned Player::getHeight() const
+    {
+        unsigned width, height;
+        libvlc_video_get_size( mPlayer, 0, &width, &height );
+        return height;
+    }
+
     void Player::setMouseHandling(bool flag)
     {
         libvlc_video_set_mouse_input( mPlayer, flag );

avmedia/source/vlc/wrapper/Player.hxx

@@ -57,6 +57,11 @@ namespace wrapper
 
         bool hasVout() const;
 
+        void setScale( float factor );
+
+        unsigned getWidth() const;
+        unsigned getHeight() const;
+
         inline operator libvlc_media_player_t*()
         {
             return mPlayer;