ref: e307cbb6a1c426e2dbb23054d02d6ebdaaa559c7
dir: /codec/decoder/core/inc/wels_common_basis.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.
*
*/
//wels_common_basis.h
#ifndef WELS_COMMON_BASIS_H__
#define WELS_COMMON_BASIS_H__
#include "typedefs.h"
#include "macros.h"
namespace WelsDec {
// for data sharing cross modules and try to reduce size of binary generated
extern const uint8_t g_kuiChromaQp[52];
/*common use table*/
extern const uint8_t g_kuiScan8[24];
extern const uint8_t g_kuiLumaDcZigzagScan[16];
extern const uint8_t g_kuiChromaDcScan[4];
extern __align16 (const uint16_t, g_kuiDequantCoeff[52][8]);
/* Profile IDC */
typedef uint8_t ProfileIdc;
enum {
PRO_BASELINE = 66,
PRO_MAIN = 77,
PRO_EXTENDED = 88,
PRO_HIGH = 100,
PRO_HIGH10 = 110,
PRO_HIGH422 = 122,
PRO_HIGH444 = 144,
PRO_CAVLC444 = 244,
PRO_SCALABLE_BASELINE = 83,
PRO_SCALABLE_HIGH = 86,
};
/*
* NAL Unit Type (5 Bits)
*/
typedef enum TagNalUnitType {
NAL_UNIT_UNSPEC_0 = 0,
NAL_UNIT_CODED_SLICE = 1,
NAL_UNIT_CODED_SLICE_DPA = 2,
NAL_UNIT_CODED_SLICE_DPB = 3,
NAL_UNIT_CODED_SLICE_DPC = 4,
NAL_UNIT_CODED_SLICE_IDR = 5,
NAL_UNIT_SEI = 6,
NAL_UNIT_SPS = 7,
NAL_UNIT_PPS = 8,
NAL_UNIT_AU_DELIMITER = 9,
NAL_UNIT_END_OF_SEQ = 10,
NAL_UNIT_END_OF_STR = 11,
NAL_UNIT_FILLER_DATA = 12,
NAL_UNIT_SPS_EXT = 13,
NAL_UNIT_PREFIX = 14,
NAL_UNIT_SUBSET_SPS = 15,
NAL_UNIT_RESV_16 = 16,
NAL_UNIT_RESV_17 = 17,
NAL_UNIT_RESV_18 = 18,
NAL_UNIT_AUX_CODED_SLICE = 19,
NAL_UNIT_CODED_SLICE_EXT = 20,
NAL_UNIT_RESV_21 = 21,
NAL_UNIT_RESV_22 = 22,
NAL_UNIT_RESV_23 = 23,
NAL_UNIT_UNSPEC_24 = 24,
NAL_UNIT_UNSPEC_25 = 25,
NAL_UNIT_UNSPEC_26 = 26,
NAL_UNIT_UNSPEC_27 = 27,
NAL_UNIT_UNSPEC_28 = 28,
NAL_UNIT_UNSPEC_29 = 29,
NAL_UNIT_UNSPEC_30 = 30,
NAL_UNIT_UNSPEC_31 = 31
} ENalUnitType;
static const uint8_t g_kuiEmulationPreventionThreeByte = 0x03;
/*
* NAL Reference IDC (2 Bits)
*/
typedef uint8_t NalRefIdc;
enum {
NRI_PRI_LOWEST = 0,
NRI_PRI_LOW = 1,
NRI_PRI_HIGH = 2,
NRI_PRI_HIGHEST = 3
};
/*
* VCL TYPE
*/
typedef uint8_t VclType;
enum {
NON_VCL = 0,
VCL = 1,
NOT_APP = 2
};
/*
* vcl type map for given NAL unit type and corresponding H264 type
*/
extern const VclType g_kuiVclTypeMap[32][2];
#define IS_VCL_NAL(t, ext_idx) (g_kuiVclTypeMap[t][ext_idx] == VCL)
#define IS_PARAM_SETS_NALS(t) ( (t) == NAL_UNIT_SPS || (t) == NAL_UNIT_PPS || (t) == NAL_UNIT_SUBSET_SPS )
#define IS_SPS_NAL(t) ( (t) == NAL_UNIT_SPS )
#define IS_SUBSET_SPS_NAL(t) ( (t) == NAL_UNIT_SUBSET_SPS )
#define IS_PPS_NAL(t) ( (t) == NAL_UNIT_PPS )
#define IS_SEI_NAL(t) ( (t) == NAL_UNIT_SEI )
#define IS_PREFIX_NAL(t) ( (t) == NAL_UNIT_PREFIX )
#define IS_SUBSET_SPS_USED(t) ( (t) == NAL_UNIT_SUBSET_SPS || (t) == NAL_UNIT_CODED_SLICE_EXT )
#define IS_VCL_NAL_AVC_BASE(t) ( (t) == NAL_UNIT_CODED_SLICE || (t) == NAL_UNIT_CODED_SLICE_IDR )
#define IS_NEW_INTRODUCED_NAL(t) ( (t) == NAL_UNIT_PREFIX || (t) == NAL_UNIT_CODED_SLICE_EXT )
/* Base Slice Types
* Invalid in case of eSliceType exceeds 9,
* Need trim when eSliceType > 4 as fixed SliceType(eSliceType-4),
* meaning mapped version after eSliceType minus 4.
*/
typedef enum TagSliceType {
P_SLICE = 0,
B_SLICE = 1,
I_SLICE = 2,
SP_SLICE = 3,
SI_SLICE = 4,
UNKNOWN_SLICE = 5
} ESliceType;
/* Slice Types in scalable extension */
typedef uint8_t SliceTypeExt;
enum {
EP_SLICE = 0, // EP_SLICE: 0, 5
EB_SLICE = 1, // EB_SLICE: 1, 6
EI_SLICE = 2 // EI_SLICE: 2, 7
};
/* List Index */
typedef uint8_t ListIndex;
enum {
LIST_0 = 0,
LIST_1 = 1,
LIST_A = 2
};
/* Picture Size */
typedef struct TagPictureSize {
int32_t iWidth;
int32_t iHeight;
} SPictureSize;
/* Motion Vector components */
typedef uint8_t MvComp;
enum {
MV_X = 0,
MV_Y = 1,
MV_A = 2
};
/* Chroma Components */
typedef uint8_t ChromaComp;
enum {
CHROMA_CB = 0,
CHROMA_CR = 1,
CHROMA_A = 2
};
/* Position Offset structure */
typedef struct TagPosOffset {
int32_t iLeftOffset;
int32_t iTopOffset;
int32_t iRightOffset;
int32_t iBottomOffset;
} SPosOffset;
enum EMbPosition { //
MB_LEFT = 0x01, // A
MB_TOP = 0x02, // B
MB_TOPRIGHT = 0x04, // C
MB_TOPLEFT = 0x08, // D,
MB_PRIVATE = 0x10,
};
/* MB Type & Sub-MB Type */
typedef int32_t MbType;
typedef int32_t SubMbType;
#define MB_TYPE_INTRA4x4 0x01
#define MB_TYPE_INTRA16x16 0x02
#define MB_TYPE_INTRA8x8 0x03
#define MB_TYPE_INTRA_PCM 0x04
#define MB_TYPE_INTRA_BL 0x05// I_BL new MB type
#define MB_TYPE_16x16 0x06
#define MB_TYPE_16x8 0x07
#define MB_TYPE_8x16 0x08
#define MB_TYPE_8x8 0x09
#define MB_TYPE_8x8_REF0 0x0a
#define SUB_MB_TYPE_8x8 0x0b
#define SUB_MB_TYPE_8x4 0x0c
#define SUB_MB_TYPE_4x8 0x0d
#define SUB_MB_TYPE_4x4 0x0e
#define MB_TYPE_SKIP 0x0f
#define MB_TYPE_DIRECT2 0x10
#define not_available 0x20
#define IS_INTRA4x4(type) ( MB_TYPE_INTRA4x4 == (type) )
#define IS_INTRA16x16(type) ( MB_TYPE_INTRA16x16 == (type) )
#define IS_INTRA(type) ( (type) > 0 && (type) < 5 )
#define IS_INTER(type) ( (type) > 5 && (type) < 16 )
#define IS_I_BL(type) ( (type) == MB_TYPE_INTRA_BL )
#define IS_SUB8x8(type) (MB_TYPE_8x8 == (type) || MB_TYPE_8x8_REF0 == (type))
/*
* Memory Management Control Operation (MMCO) code
*/
enum {
MMCO_END = 0,
MMCO_SHORT2UNUSED = 1,
MMCO_LONG2UNUSED = 2,
MMCO_SHORT2LONG = 3,
MMCO_SET_MAX_LONG = 4,
MMCO_RESET = 5,
MMCO_LONG = 6
};
/////////intra16x16 Luma
#define I16_PRED_V 0
#define I16_PRED_H 1
#define I16_PRED_DC 2
#define I16_PRED_P 3
#define I16_PRED_DC_L 4
#define I16_PRED_DC_T 5
#define I16_PRED_DC_128 6
//////////intra4x4 Luma
#define I4_PRED_V 0
#define I4_PRED_H 1
#define I4_PRED_DC 2
#define I4_PRED_DDL 3 //diagonal_down_left
#define I4_PRED_DDR 4 //diagonal_down_right
#define I4_PRED_VR 5 //vertical_right
#define I4_PRED_HD 6 //horizon_down
#define I4_PRED_VL 7 //vertical_left
#define I4_PRED_HU 8 //horizon_up
#define I4_PRED_DC_L 9
#define I4_PRED_DC_T 10
#define I4_PRED_DC_128 11
#define I4_PRED_DDL_TOP 12 //right-top replacing by padding rightmost pixel of top
#define I4_PRED_VL_TOP 13 //right-top replacing by padding rightmost pixel of top
//////////intra Chroma
#define C_PRED_DC 0
#define C_PRED_H 1
#define C_PRED_V 2
#define C_PRED_P 3
#define C_PRED_DC_L 4
#define C_PRED_DC_T 5
#define C_PRED_DC_128 6
} // namespace WelsDec
#endif//WELS_COMMON_BASIS_H__