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48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
#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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// 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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int reserved1[13];//future extenstions (e.g. gmc,qpel)
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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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} xvmc_render_state_t;
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