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/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef PIPE_VIDEO_STATE_H
#define PIPE_VIDEO_STATE_H
#include "pipe/p_defines.h"
#include "pipe/p_format.h"
#include "pipe/p_state.h"
#include "pipe/p_screen.h"
#include "util/u_inlines.h"
#ifdef __cplusplus
extern "C" {
#endif
struct pipe_video_rect
{
unsigned x, y, w, h;
};
/*
* see table 6-12 in the spec
*/
enum pipe_mpeg12_picture_coding_type
{
PIPE_MPEG12_PICTURE_CODING_TYPE_I = 0x01,
PIPE_MPEG12_PICTURE_CODING_TYPE_P = 0x02,
PIPE_MPEG12_PICTURE_CODING_TYPE_B = 0x03,
PIPE_MPEG12_PICTURE_CODING_TYPE_D = 0x04
};
/*
* see table 6-14 in the spec
*/
enum pipe_mpeg12_picture_structure
{
PIPE_MPEG12_PICTURE_STRUCTURE_RESERVED = 0x00,
PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_TOP = 0x01,
PIPE_MPEG12_PICTURE_STRUCTURE_FIELD_BOTTOM = 0x02,
PIPE_MPEG12_PICTURE_STRUCTURE_FRAME = 0x03
};
/*
* flags for macroblock_type, see section 6.3.17.1 in the spec
*/
enum pipe_mpeg12_macroblock_type
{
PIPE_MPEG12_MB_TYPE_QUANT = 0x01,
PIPE_MPEG12_MB_TYPE_MOTION_FORWARD = 0x02,
PIPE_MPEG12_MB_TYPE_MOTION_BACKWARD = 0x04,
PIPE_MPEG12_MB_TYPE_PATTERN = 0x08,
PIPE_MPEG12_MB_TYPE_INTRA = 0x10
};
/*
* flags for motion_type, see table 6-17 and 6-18 in the spec
*/
enum pipe_mpeg12_motion_type
{
PIPE_MPEG12_MO_TYPE_RESERVED = 0x00,
PIPE_MPEG12_MO_TYPE_FIELD = 0x01,
PIPE_MPEG12_MO_TYPE_FRAME = 0x02,
PIPE_MPEG12_MO_TYPE_16x8 = 0x02,
PIPE_MPEG12_MO_TYPE_DUAL_PRIME = 0x03
};
/*
* see section 6.3.17.1 and table 6-19 in the spec
*/
enum pipe_mpeg12_dct_type
{
PIPE_MPEG12_DCT_TYPE_FRAME = 0,
PIPE_MPEG12_DCT_TYPE_FIELD = 1
};
enum pipe_mpeg12_field_select
{
PIPE_MPEG12_FS_FIRST_FORWARD = 0x01,
PIPE_MPEG12_FS_FIRST_BACKWARD = 0x02,
PIPE_MPEG12_FS_SECOND_FORWARD = 0x04,
PIPE_MPEG12_FS_SECOND_BACKWARD = 0x08
};
struct pipe_picture_desc
{
enum pipe_video_profile profile;
};
struct pipe_quant_matrix
{
enum pipe_video_codec codec;
};
struct pipe_macroblock
{
enum pipe_video_codec codec;
};
struct pipe_mpeg12_picture_desc
{
struct pipe_picture_desc base;
unsigned picture_coding_type;
unsigned picture_structure;
unsigned frame_pred_frame_dct;
unsigned q_scale_type;
unsigned alternate_scan;
unsigned intra_vlc_format;
unsigned concealment_motion_vectors;
unsigned intra_dc_precision;
unsigned f_code[2][2];
};
struct pipe_mpeg12_quant_matrix
{
struct pipe_quant_matrix base;
const uint8_t *intra_matrix;
const uint8_t *non_intra_matrix;
};
struct pipe_mpeg12_macroblock
{
struct pipe_macroblock base;
/* see section 6.3.17 in the spec */
unsigned short x, y;
/* see section 6.3.17.1 in the spec */
unsigned char macroblock_type;
union {
struct {
/* see table 6-17 in the spec */
unsigned int frame_motion_type:2;
/* see table 6-18 in the spec */
unsigned int field_motion_type:2;
/* see table 6-19 in the spec */
unsigned int dct_type:1;
} bits;
unsigned int value;
} macroblock_modes;
/* see section 6.3.17.2 in the spec */
unsigned char motion_vertical_field_select;
/* see Table 7-7 in the spec */
short PMV[2][2][2];
/* see figure 6.10-12 in the spec */
unsigned short coded_block_pattern;
/* see figure 6.10-12 in the spec */
short *blocks;
/* Number of skipped macroblocks after this macroblock */
unsigned short num_skipped_macroblocks;
};
#ifdef __cplusplus
}
#endif
#endif /* PIPE_VIDEO_STATE_H */
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