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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2013 Grigori Goronzy <greg@chown.ath.cx>
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. /* motion adaptive deinterlacer implementation */
  29.  
  30. #ifndef vl_deint_filter_h
  31. #define vl_deint_filter_h
  32.  
  33. #include "pipe/p_state.h"
  34.  
  35. struct vl_deint_filter
  36. {
  37.    struct pipe_context *pipe;
  38.    struct pipe_vertex_buffer quad;
  39.  
  40.    void *rs_state;
  41.    void *blend;
  42.    void *sampler[4];
  43.    void *ves;
  44.    void *vs;
  45.    void *fs_copy_top, *fs_copy_bottom;
  46.    void *fs_deint_top, *fs_deint_bottom;
  47.  
  48.    unsigned video_width, video_height;
  49.    bool skip_chroma;
  50.  
  51.    struct pipe_video_buffer *video_buffer;
  52. };
  53.  
  54. bool
  55. vl_deint_filter_init(struct vl_deint_filter *filter, struct pipe_context *pipe,
  56.                      unsigned video_width, unsigned video_height,
  57.                      bool skip_chroma, bool spatial_filter);
  58.  
  59. void
  60. vl_deint_filter_cleanup(struct vl_deint_filter *filter);
  61.  
  62. bool
  63. vl_deint_filter_check_buffers(struct vl_deint_filter *filter,
  64.                               struct pipe_video_buffer *prevprev,
  65.                               struct pipe_video_buffer *prev,
  66.                               struct pipe_video_buffer *cur,
  67.                               struct pipe_video_buffer *next);
  68.  
  69. void
  70. vl_deint_filter_render(struct vl_deint_filter *filter,
  71.                        struct pipe_video_buffer *prevprev,
  72.                        struct pipe_video_buffer *prev,
  73.                        struct pipe_video_buffer *cur,
  74.                        struct pipe_video_buffer *next,
  75.                        unsigned field);
  76.  
  77. #endif /* vl_deint_filter_h */
  78.