aspect ratio and locking

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@310 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/modules/sdl/consumer_sdl.c b/src/modules/sdl/consumer_sdl.c
index 0d483cf4721ed9a2d2eac10c11cb49673d80bb1a..07f483fd7e903f5f68b8566077f8df512053d20d 100644 (file)
--- a/src/modules/sdl/consumer_sdl.c
+++ b/src/modules/sdl/consumer_sdl.c
@@ -51,6 +51,7 @@ struct consumer_sdl_s
        int window_height;
        float aspect_ratio;
        float display_aspect;
+       double last_frame_aspect;
        int width;
        int height;
        int playing;
@@ -407,10 +408,11 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame )
                        }
                }
        
-               if ( width != this->width || height != this->height )
+               if ( width != this->width || height != this->height || this->last_frame_aspect != mlt_frame_get_aspect_ratio( frame ) )
                {
                        this->width = width;
                        this->height = height;
+                       this->last_frame_aspect = mlt_frame_get_aspect_ratio( frame );
                        changed = 1;
                }
 
@@ -437,7 +439,7 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame )
                                else
                                {
                                        // Use hardware scaler to normalise display aspect ratio
-                                       this->rect.w = frame_aspect / this_aspect * this->window_width + 0.5;
+                                       this->rect.w = frame_aspect / this_aspect * this->window_width;
                                        this->rect.h = this->window_height;
                                        if ( this->rect.w > this->window_width )
                                        {
@@ -473,7 +475,9 @@ static int consumer_play_video( consumer_sdl this, mlt_frame frame )
                                SDL_FreeYUVOverlay( this->sdl_overlay );
 
                        // open SDL window with video overlay, if possible
+                       sdl_lock_display();
                        this->sdl_screen = SDL_SetVideoMode( this->window_width, this->window_height, 0, this->sdl_flags );
+                       sdl_unlock_display();
 
                        if ( this->sdl_screen != NULL )
                        {
@@ -692,6 +696,9 @@ static int consumer_get_dimensions( int *width, int *height )
        // Specify the SDL Version
        SDL_VERSION( &wm.version );
 
+       // Lock the display
+       sdl_lock_display();
+
        // Get the wm structure
        if ( SDL_GetWMInfo( &wm ) == 1 )
        {
@@ -717,6 +724,9 @@ static int consumer_get_dimensions( int *width, int *height )
                }
        }
 
+       // Unlock the display
+       sdl_lock_display();
+
        return changed;
 }