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							- /*
 -  * Copyright (C) 2003 Ivan Kalvachev
 -  *
 -  * This file is part of FFmpeg.
 -  *
 -  * FFmpeg is free software; you can redistribute it and/or
 -  * modify it under the terms of the GNU Lesser General Public
 -  * License as published by the Free Software Foundation; either
 -  * version 2.1 of the License, or (at your option) any later version.
 -  *
 -  * FFmpeg is distributed in the hope that it will be useful,
 -  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 -  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 -  * Lesser General Public License for more details.
 -  *
 -  * You should have received a copy of the GNU Lesser General Public
 -  * License along with FFmpeg; if not, write to the Free Software
 -  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 -  */
 - 
 - #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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