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_rect
  42 {
  43    unsigned x, y, w, h;
  44 };
  45
  46 enum pipe_mpeg12_picture_type
  47 {
  48    PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP,
  49    PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM,
  50    PIPE_MPEG12_PICTURE_TYPE_FRAME
  51 };
  52
  53 enum pipe_mpeg12_motion_type
  54 {
  55    PIPE_MPEG12_MOTION_TYPE_FIELD,
  56    PIPE_MPEG12_MOTION_TYPE_FRAME,
  57    PIPE_MPEG12_MOTION_TYPE_DUALPRIME,
  58    PIPE_MPEG12_MOTION_TYPE_16x8
  59 };
  60
  61 enum pipe_mpeg12_dct_type
  62 {
  63    PIPE_MPEG12_DCT_TYPE_FIELD,
  64    PIPE_MPEG12_DCT_TYPE_FRAME
  65 };
  66
  67 struct pipe_macroblock
  68 {
  69    enum pipe_video_codec codec;
  70 };
  71
  72 struct pipe_mpeg12_motionvector
  73 {
  74    signed x, y;
  75    bool field_select;
  76 };
  77
  78 struct pipe_mpeg12_macroblock
  79 {
  80    struct pipe_macroblock base;
  81
  82    unsigned mbx;
  83    unsigned mby;
  84    enum pipe_mpeg12_motion_type mo_type;
  85    bool dct_intra;
  86    enum pipe_mpeg12_dct_type dct_type;
  87    struct {
  88       unsigned wheight:8;
  89       struct pipe_mpeg12_motionvector top, bottom;
  90    } mv[2];
  91    unsigned cbp;
  92    short *blocks;
  93 };
  94
  95 #if 0
  96 struct pipe_picture_desc
  97 {
  98    enum pipe_video_format format;
  99 };
 100
 101 struct pipe_mpeg12_picture_desc
 102 {
 103    struct pipe_picture_desc base;
 104
 105    /* TODO: Use bitfields where possible? */
 106    struct pipe_surface *forward_reference;
 107    struct pipe_surface *backward_reference;
 108    unsigned picture_coding_type;
 109    unsigned fcode;
 110    unsigned intra_dc_precision;
 111    unsigned picture_structure;
 112    unsigned top_field_first;
 113    unsigned frame_pred_frame_dct;
 114    unsigned concealment_motion_vectors;
 115    unsigned q_scale_type;
 116    unsigned intra_vlc_format;
 117    unsigned alternate_scan;
 118    unsigned full_pel_forward_vector;
 119    unsigned full_pel_backward_vector;
 120    struct pipe_buffer *intra_quantizer_matrix;
 121    struct pipe_buffer *non_intra_quantizer_matrix;
 122    struct pipe_buffer *chroma_intra_quantizer_matrix;
 123    struct pipe_buffer *chroma_non_intra_quantizer_matrix;
 124 };
 125 #endif
 126
 127 #ifdef __cplusplus
 128 }
 129 #endif
 130
 131 #endif /* PIPE_VIDEO_STATE_H */