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