ref: 3761901ed4785ce0c85557362c857f506b4072ce
dir: /codec/decoder/core/inc/mb_cache.h/
/*!
* \copy
* Copyright (c) 2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
//mb_cache.h
#ifndef WELS_MACROBLOCK_CACHE_H__
#define WELS_MACROBLOCK_CACHE_H__
#include "typedefs.h"
namespace WelsDec {
#define REF_NOT_AVAIL -2
#define REF_NOT_IN_LIST -1 //intra
/*
* MB Cache information, such one cache should be defined within a slice
*/
/*
* Cache for Luma Cache for Chroma(Cb, Cr)
*
* TL T T T T TL T T
* L - - - - L - -
* L - - - - L - - TR
* L - - - -
* L - - - - TR
*
*/
////////////////////////mapping scan index////////////////////////
// for data sharing cross modules and try to reduce size of binary generated
extern const uint8_t g_kuiMbNonZeroCountIdx[24];
extern const uint8_t g_kuiCache30ScanIdx[16];
extern const uint8_t g_kuiCacheNzcScanIdx[24];
extern const uint8_t g_kuiScan4[16];
typedef struct TagNeighborAvail {
int32_t iTopAvail;
int32_t iLeftAvail;
int32_t iRightTopAvail;
int32_t iLeftTopAvail; //used for check intra_pred_mode avail or not //1: avail; 0: unavail
int32_t iLeftType;
int32_t iTopType;
int32_t iLeftTopType;
int32_t iRightTopType;
} SNeighAvail, *PNeighAvail;
} // namespace WelsDec
#endif//WELS_MACROBLOCK_CACHE_H__