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