quicktime/ffmpeg/xvmc_render.h

   1 #include <X11/Xlib.h>
   2 #include <X11/Xutil.h>
   3 #include <X11/Xatom.h>
   4 #include <X11/extensions/Xv.h>
   5 #include <X11/extensions/Xvlib.h>
   6 #include <X11/extensions/XvMClib.h>
   7
   8
   9 //the surface should be shown, video driver manipulate this
  10 #define MP_XVMC_STATE_DISPLAY_PENDING 1
  11 //the surface is needed for prediction, codec manipulate this
  12 #define MP_XVMC_STATE_PREDICTION 2
  13 //                     1337    IDCT MCo
  14 #define MP_XVMC_RENDER_MAGIC 0x1DC711C0
  15
  16 typedef   struct{
  17 //these are not changed by decoder!
  18   int  magic;
  19
  20   short * data_blocks;
  21   XvMCMacroBlock * mv_blocks;
  22   int total_number_of_mv_blocks;
  23   int total_number_of_data_blocks;
  24   int mc_type;//XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT
  25   int idct;//does we use IDCT acceleration?
  26   int chroma_format;//420,422,444
  27   int unsigned_intra;//+-128 for intra pictures after clip
  28   int reserved1[13];//future extenstions (e.g. gmc,qpel)
  29   XvMCSurface* p_surface;//pointer to rendered surface, never changed
  30
  31 //these are changed by decoder
  32 //used by XvMCRenderSurface function
  33   XvMCSurface* p_past_surface;//pointer to the past surface
  34   XvMCSurface* p_future_surface;//pointer to  the future prediction surface
  35
  36   unsigned int picture_structure;//top/bottom fields or frame  !
  37   unsigned int flags;//XVMC_SECOND_FIELD - 1'st or 2'd field in the sequence
  38   unsigned int display_flags; //1,2 or 1+2 fields for XvMCPutSurface,
  39
  40 //these are internal communication one
  41   int state;//0-free,1 Waiting to Display,2 Waiting for prediction
  42   int start_mv_blocks_num;//offset in the array for the current slice,updated by vo
  43   int filled_mv_blocks_num;//processed mv block in this slice,change by decoder
  44
  45   int next_free_data_block_num;//used in add_mv_block, pointer to next free block
  46
  47 } xvmc_render_state_t;