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ffmpeg / libavcodec / xvmc_render.h @ d215d07a

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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xv.h>
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#include <X11/extensions/Xvlib.h>
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#include <X11/extensions/XvMClib.h>
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//the surface should be shown, video driver manipulate this
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#define MP_XVMC_STATE_DISPLAY_PENDING 1
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//the surface is needed for prediction, codec manipulate this
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#define MP_XVMC_STATE_PREDICTION 2
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//this surface is needed for subpicture rendering
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#define MP_XVMC_STATE_OSD_SOURCE 4
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//                     1337    IDCT MCo
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#define MP_XVMC_RENDER_MAGIC 0x1DC711C0
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typedef   struct{
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//these are not changed by decoder!
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  int  magic;
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  short * data_blocks;
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  XvMCMacroBlock * mv_blocks;
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  int total_number_of_mv_blocks;
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  int total_number_of_data_blocks;
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  int mc_type;//XVMC_MPEG1/2/4,XVMC_H263 without XVMC_IDCT
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  int idct;//does we use IDCT acceleration?
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  int chroma_format;//420,422,444
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  int unsigned_intra;//+-128 for intra pictures after clip
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  XvMCSurface* p_surface;//pointer to rendered surface, never changed
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//these are changed by decoder
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//used by XvMCRenderSurface function
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  XvMCSurface* p_past_surface;//pointer to the past surface
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  XvMCSurface* p_future_surface;//pointer to  the future prediction surface
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  unsigned int picture_structure;//top/bottom fields or frame  !
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  unsigned int flags;//XVMC_SECOND_FIELD - 1'st or 2'd field in the sequence
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  unsigned int display_flags; //1,2 or 1+2 fields for XvMCPutSurface,
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//these are internal communication one
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  int state;//0-free,1 Waiting to Display,2 Waiting for prediction
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  int start_mv_blocks_num;//offset in the array for the current slice,updated by vo
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  int filled_mv_blocks_num;//processed mv block in this slice,change by decoder
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  int next_free_data_block_num;//used in add_mv_block, pointer to next free block
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//extensions
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  void * p_osd_target_surface_render;//pointer to the surface where subpicture is rendered
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} xvmc_render_state_t;