git.sesse.net Git - vlc/blob - src/video_output/video_yuv.h

   1 /*****************************************************************************
   2  * video_yuv.h: YUV transformation functions
   3  * (c)1999 VideoLAN
   4  *****************************************************************************
   5  * Provides functions prototypes to perform the YUV conversion. The functions
   6  * may be implemented in one of the video_yuv_* files.
   7  *****************************************************************************/
   8
   9 /*****************************************************************************
  10  * Prototypes
  11  *****************************************************************************/
  12 int             vout_InitYUV      ( vout_thread_t *p_vout );
  13 int             vout_ResetYUV     ( vout_thread_t *p_vout );
  14 void            vout_EndYUV       ( vout_thread_t *p_vout );
  15
  16 /*****************************************************************************
  17  * External prototypes
  18  *****************************************************************************/
  19 #ifdef HAVE_MMX
  20
  21 /* YUV transformations for MMX - in video_yuv_mmx.S
  22  *      p_y, p_u, p_v:          Y U and V planes
  23  *      i_width, i_height:      frames dimensions (pixels)
  24  *      i_ypitch, i_vpitch:     Y and V lines sizes (bytes)
  25  *      i_aspect:               vertical aspect factor
  26  *      p_pic:                  RGB frame
  27  *      i_dci_offset:           XXX?? x offset for left image border
  28  *      i_offset_to_line_0:     XXX?? x offset for left image border
  29  *      i_pitch:                RGB line size (bytes)
  30  *      i_colortype:            0 for 565, 1 for 555 */
  31 void ConvertYUV420RGB16MMX( u8* p_y, u8* p_u, u8 *p_v,
  32                             unsigned int i_width, unsigned int i_height,
  33                             unsigned int i_ypitch, unsigned int i_vpitch,
  34                             unsigned int i_aspect, u8 *p_pic,
  35                             u32 i_dci_offset, u32 i_offset_to_line_0,
  36                             int i_pitch, int i_colortype );
  37 #endif