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 /* u_reduce_video_profile() needs these */
  32 #include <pipe/p_compiler.h>
  33 #include <util/u_debug.h>
  34
  35 #include <pipe/p_defines.h>
  36 #include <pipe/p_format.h>
  37 #include <pipe/p_refcnt.h>
  38 #include <pipe/p_screen.h>
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 struct pipe_video_surface
  45 {
  46    struct pipe_reference reference;
  47    struct pipe_screen *screen;
  48    enum pipe_video_chroma_format chroma_format;
  49    /*enum pipe_video_surface_format surface_format;*/
  50    unsigned width;
  51    unsigned height;
  52 };
  53
  54 static INLINE void
  55 pipe_video_surface_reference(struct pipe_video_surface **ptr, struct pipe_video_surface *surf)
  56 {
  57    struct pipe_video_surface *old_surf = *ptr;
  58
  59    if (pipe_reference((struct pipe_reference **)ptr, &surf->reference))
  60       old_surf->screen->video_surface_destroy(old_surf);
  61 }
  62
  63 struct pipe_video_rect
  64 {
  65    unsigned x, y, w, h;
  66 };
  67
  68 static INLINE enum pipe_video_codec
  69 u_reduce_video_profile(enum pipe_video_profile profile)
  70 {
  71    switch (profile)
  72    {
  73       case PIPE_VIDEO_PROFILE_MPEG1:
  74       case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
  75       case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
  76          return PIPE_VIDEO_CODEC_MPEG12;
  77
  78       case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
  79       case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
  80          return PIPE_VIDEO_CODEC_MPEG4;
  81
  82       case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
  83       case PIPE_VIDEO_PROFILE_VC1_MAIN:
  84       case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
  85          return PIPE_VIDEO_CODEC_VC1;
  86
  87       case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
  88       case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
  89       case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
  90          return PIPE_VIDEO_CODEC_MPEG4_AVC;
  91
  92       default:
  93          assert(0);
  94          return PIPE_VIDEO_CODEC_UNKNOWN;
  95    }
  96 }
  97
  98 enum pipe_mpeg12_picture_type
  99 {
 100    PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP,
 101    PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM,
 102    PIPE_MPEG12_PICTURE_TYPE_FRAME
 103 };
 104
 105 enum pipe_mpeg12_macroblock_type
 106 {
 107    PIPE_MPEG12_MACROBLOCK_TYPE_INTRA,
 108    PIPE_MPEG12_MACROBLOCK_TYPE_FWD,
 109    PIPE_MPEG12_MACROBLOCK_TYPE_BKWD,
 110    PIPE_MPEG12_MACROBLOCK_TYPE_BI,
 111
 112    PIPE_MPEG12_MACROBLOCK_NUM_TYPES
 113 };
 114
 115 enum pipe_mpeg12_motion_type
 116 {
 117    PIPE_MPEG12_MOTION_TYPE_FIELD,
 118    PIPE_MPEG12_MOTION_TYPE_FRAME,
 119    PIPE_MPEG12_MOTION_TYPE_DUALPRIME,
 120    PIPE_MPEG12_MOTION_TYPE_16x8
 121 };
 122
 123 enum pipe_mpeg12_dct_type
 124 {
 125    PIPE_MPEG12_DCT_TYPE_FIELD,
 126    PIPE_MPEG12_DCT_TYPE_FRAME
 127 };
 128
 129 struct pipe_macroblock
 130 {
 131    enum pipe_video_codec codec;
 132 };
 133
 134 struct pipe_mpeg12_macroblock
 135 {
 136    struct pipe_macroblock base;
 137
 138    unsigned mbx;
 139    unsigned mby;
 140    enum pipe_mpeg12_macroblock_type mb_type;
 141    enum pipe_mpeg12_motion_type mo_type;
 142    enum pipe_mpeg12_dct_type dct_type;
 143    signed pmv[2][2][2];
 144    unsigned cbp;
 145    void *blocks;
 146 };
 147
 148 #if 0
 149 struct pipe_picture_desc
 150 {
 151    enum pipe_video_format format;
 152 };
 153
 154 struct pipe_mpeg12_picture_desc
 155 {
 156    struct pipe_picture_desc base;
 157
 158    /* TODO: Use bitfields where possible? */
 159    struct pipe_surface *forward_reference;
 160    struct pipe_surface *backward_reference;
 161    unsigned picture_coding_type;
 162    unsigned fcode;
 163    unsigned intra_dc_precision;
 164    unsigned picture_structure;
 165    unsigned top_field_first;
 166    unsigned frame_pred_frame_dct;
 167    unsigned concealment_motion_vectors;
 168    unsigned q_scale_type;
 169    unsigned intra_vlc_format;
 170    unsigned alternate_scan;
 171    unsigned full_pel_forward_vector;
 172    unsigned full_pel_backward_vector;
 173    struct pipe_buffer *intra_quantizer_matrix;
 174    struct pipe_buffer *non_intra_quantizer_matrix;
 175    struct pipe_buffer *chroma_intra_quantizer_matrix;
 176    struct pipe_buffer *chroma_non_intra_quantizer_matrix;
 177 };
 178 #endif
 179
 180 #ifdef __cplusplus
 181 }
 182 #endif
 183
 184 #endif /* PIPE_VIDEO_STATE_H */