src/gallium/include/pipe/p_video_state.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   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 #ifndef PIPE_VIDEO_STATE_H
  29 #define PIPE_VIDEO_STATE_H
  30
  31 #include <pipe/p_defines.h>
  32 #include <pipe/p_format.h>
  33 #include <pipe/p_state.h>
  34 #include <pipe/p_screen.h>
  35 #include <util/u_inlines.h>
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 struct pipe_video_surface
  42 {
  43    struct pipe_reference reference;
  44    struct pipe_screen *screen;
  45    enum pipe_video_chroma_format chroma_format;
  46    /*enum pipe_video_surface_format surface_format;*/
  47    unsigned width;
  48    unsigned height;
  49 };
  50
  51 static INLINE void
  52 pipe_video_surface_reference(struct pipe_video_surface **ptr, struct pipe_video_surface *surf)
  53 {
  54    struct pipe_video_surface *old_surf = *ptr;
  55
  56    if (pipe_reference(&(*ptr)->reference, &surf->reference))
  57       old_surf->screen->video_surface_destroy(old_surf);
  58    *ptr = surf;
  59 }
  60
  61 struct pipe_video_rect
  62 {
  63    unsigned x, y, w, h;
  64 };
  65
  66 enum pipe_mpeg12_picture_type
  67 {
  68    PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP,
  69    PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM,
  70    PIPE_MPEG12_PICTURE_TYPE_FRAME
  71 };
  72
  73 enum pipe_mpeg12_macroblock_type
  74 {
  75    PIPE_MPEG12_MACROBLOCK_TYPE_INTRA,
  76    PIPE_MPEG12_MACROBLOCK_TYPE_FWD,
  77    PIPE_MPEG12_MACROBLOCK_TYPE_BKWD,
  78    PIPE_MPEG12_MACROBLOCK_TYPE_BI,
  79
  80    PIPE_MPEG12_MACROBLOCK_NUM_TYPES
  81 };
  82
  83 enum pipe_mpeg12_motion_type
  84 {
  85    PIPE_MPEG12_MOTION_TYPE_FIELD,
  86    PIPE_MPEG12_MOTION_TYPE_FRAME,
  87    PIPE_MPEG12_MOTION_TYPE_DUALPRIME,
  88    PIPE_MPEG12_MOTION_TYPE_16x8
  89 };
  90
  91 enum pipe_mpeg12_dct_type
  92 {
  93    PIPE_MPEG12_DCT_TYPE_FIELD,
  94    PIPE_MPEG12_DCT_TYPE_FRAME
  95 };
  96
  97 struct pipe_macroblock
  98 {
  99    enum pipe_video_codec codec;
 100 };
 101
 102 struct pipe_mpeg12_macroblock
 103 {
 104    struct pipe_macroblock base;
 105
 106    unsigned mbx;
 107    unsigned mby;
 108    enum pipe_mpeg12_macroblock_type mb_type;
 109    enum pipe_mpeg12_motion_type mo_type;
 110    enum pipe_mpeg12_dct_type dct_type;
 111    signed pmv[2][2][2];
 112    unsigned cbp;
 113    struct pipe_buffer *blocks;
 114 };
 115
 116 #if 0
 117 struct pipe_picture_desc
 118 {
 119    enum pipe_video_format format;
 120 };
 121
 122 struct pipe_mpeg12_picture_desc
 123 {
 124    struct pipe_picture_desc base;
 125
 126    /* TODO: Use bitfields where possible? */
 127    struct pipe_surface *forward_reference;
 128    struct pipe_surface *backward_reference;
 129    unsigned picture_coding_type;
 130    unsigned fcode;
 131    unsigned intra_dc_precision;
 132    unsigned picture_structure;
 133    unsigned top_field_first;
 134    unsigned frame_pred_frame_dct;
 135    unsigned concealment_motion_vectors;
 136    unsigned q_scale_type;
 137    unsigned intra_vlc_format;
 138    unsigned alternate_scan;
 139    unsigned full_pel_forward_vector;
 140    unsigned full_pel_backward_vector;
 141    struct pipe_buffer *intra_quantizer_matrix;
 142    struct pipe_buffer *non_intra_quantizer_matrix;
 143    struct pipe_buffer *chroma_intra_quantizer_matrix;
 144    struct pipe_buffer *chroma_non_intra_quantizer_matrix;
 145 };
 146 #endif
 147
 148 #ifdef __cplusplus
 149 }
 150 #endif
 151
 152 #endif /* PIPE_VIDEO_STATE_H */