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      1 /*
      2     SDL - Simple DirectMedia Layer
      3     Copyright (C) 1997-2006 Sam Lantinga
      4 
      5     This library is free software; you can redistribute it and/or
      6     modify it under the terms of the GNU Lesser General Public
      7     License as published by the Free Software Foundation; either
      8     version 2.1 of the License, or (at your option) any later version.
      9 
     10     This library is distributed in the hope that it will be useful,
     11     but WITHOUT ANY WARRANTY; without even the implied warranty of
     12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13     Lesser General Public License for more details.
     14 
     15     You should have received a copy of the GNU Lesser General Public
     16     License along with this library; if not, write to the Free Software
     17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     18 
     19     Sam Lantinga
     20     slouken (at) libsdl.org
     21 */
     22 #include "SDL_config.h"
     23 
     24 #ifndef __SDL_PH_YUV_H__
     25 #define __SDL_PH_YUV_H__
     26 
     27 /* This is the photon implementation of YUV video overlays */
     28 
     29 #include "SDL_video.h"
     30 #include "SDL_ph_video.h"
     31 
     32 struct private_yuvhwdata
     33 {
     34     FRAMEDATA* CurrentFrameData;
     35     FRAMEDATA* FrameData0;
     36     FRAMEDATA* FrameData1;
     37     PgScalerProps_t   props;
     38     PgScalerCaps_t    caps;
     39     PgVideoChannel_t* channel;
     40     PhArea_t CurrentViewPort;
     41     PhPoint_t CurrentWindowPos;
     42     long format;
     43     int scaler_on;
     44     int current;
     45     long YStride;
     46     long VStride;
     47     long UStride;
     48     int ischromakey;
     49     long chromakey;
     50     int forcedredraw;
     51     unsigned long State;
     52     long flags;
     53     int locked;
     54 };
     55 
     56 extern SDL_Overlay* ph_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface* display);
     57 extern int ph_LockYUVOverlay(_THIS, SDL_Overlay* overlay);
     58 extern void ph_UnlockYUVOverlay(_THIS, SDL_Overlay* overlay);
     59 extern int ph_DisplayYUVOverlay(_THIS, SDL_Overlay* overlay, SDL_Rect* src, SDL_Rect* dst);
     60 extern void ph_FreeYUVOverlay(_THIS, SDL_Overlay* overlay);
     61 
     62 #endif /* __SDL_PH_YUV_H__ */
     63