1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*
* Copyright © <2010>, Intel Corporation.
*
* This program is licensed under the terms and conditions of the
* Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
* http://www.opensource.org/licenses/eclipse-1.0.php.
*
*/
////////// AVC ILDB filter horizontal Y ///////////////////////////////////////////////////////
//
// This filter code prepares the src data and control data for ILDB filtering on all horizontal edges of Y.
//
// It sssumes the data for horizontal de-blocking is already transposed.
//
// Luma:
//
// +-------+-------+-------+-------+ H0 Edge
// | | | | |
// | | | | |
// | | | | |
// +-------+-------+-------+-------+ H1 Edge
// | | | | |
// | | | | |
// | | | | |
// +-------+-------+-------+-------+ H2 Edge
// | | | | |
// | | | | |
// | | | | |
// +-------+-------+-------+-------+ H3 Edge
// | | | | |
// | | | | |
// | | | | |
// +-------+-------+-------+-------+
//
/////////////////////////////////////////////////////////////////////////////
#if defined(_DEBUG)
mov (1) EntrySignatureC:w 0xBBBB:w
#endif
//========== Luma deblocking ==========
//---------- Deblock Y external top edge (H0) ----------
// Bypass deblocking if it is the top edge of the picture.
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FilterTopMbEdgeFlag:w // Check for FilterTopMbEdgeFlag
// and.z.f0.1 (1) null:uw r[ECM_AddrReg, wEdgeCntlMapA_ExtTopHorz0]:uw 0xFFFF:uw // MaskA = 0?
// Get (alpha >> 2) + 2
shr (1) alpha2:w r[ECM_AddrReg, bAlphaTop0_Y]:ub 2:w // alpha >> 2
// p3 = Prev MB Y row 0 = r[P_AddrReg, 0]<16;16,1>
// p2 = Prev MB Y row 1 = r[P_AddrReg, 16]<16;16,1>
// p1 = Prev MB Y row 2 = r[P_AddrReg, 32]<16;16,1>
// p0 = Prev MB Y row 3 = r[P_AddrReg, 48]<16;16,1>
// q0 = Cur MB Y row 0 = r[Q_AddrReg, 0]<16;16,1>
// q1 = Cur MB Y row 1 = r[Q_AddrReg, 16]<16;16,1>
// q2 = Cur MB Y row 2 = r[Q_AddrReg, 32]<16;16,1>
// q3 = Cur MB Y row 3 = r[Q_AddrReg, 48]<16;16,1>
// mov (1) P_AddrReg:w PREV_MB_Y_BASE:w { NoDDClr }
mov (1) P_AddrReg:w TOP_MB_Y_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w SRC_MB_Y_BASE:w { NoDDChk }
// Get horizontal border edge control data
// alpha = bAlphaTop0_Y
// beta = bBetaTop0_Y
mov (2) alpha<1>:w r[ECM_AddrReg, bAlphaTop0_Y]<2;2,1>:ub { NoDDClr } // 2 channels for alpha and beta
mov (2) MaskA<1>:uw r[ECM_AddrReg, wEdgeCntlMapA_ExtTopHorz0]<2;2,1>:uw { NoDDClr, NoDDChk }
// tc0 has bTc0_h03_0_Y | bTc0_h02_0_Y | bTc0_h01_0_Y | bTc0_h00_0_Y
mov (4) tc0<1>:ub r[ECM_AddrReg, bTc0_h00_0_Y]<4;4,1>:ub { NoDDChk }
// (f0.0) jmpi BYPASS_EXT_TOP_EDGE_Y
// (f0.0.anyv) jmpi BYPASS_EXT_TOP_EDGE_Y
add (1) alpha2:w alpha2:w 2:w // alpha2 = (alpha >> 2) + 2
// CALL(FILTER_Y, 1)
PRED_CALL(-f0.0, FILTER_Y, 1)
//BYPASS_EXT_TOP_EDGE_Y:
//------------------------------------------------------------------
// Same alpha, alpha2, beta and MaskB for all internal edges
// Get (alpha >> 2) + 2
shr (1) alpha2:w r[ECM_AddrReg, bAlphaInternal_Y]:ub 2:w // alpha >> 2
// alpha = bAlphaInternal_Y
// beta = bBetaInternal_Y
mov (2) alpha<1>:w r[ECM_AddrReg, bAlphaInternal_Y]<2;2,1>:ub { NoDDClr }
// Set MaskB = 0 for all 3 int edges, so it always uses bS < 4 algorithm.
mov (1) MaskB:uw 0:w { NoDDChk }
add (1) alpha2:w alpha2:w 2:w // alpha2 = (alpha >> 2) + 2
//---------- Deblock Y internal top edge (H1) ----------
// Bypass deblocking if FilterInternal4x4EdgesFlag = 0
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FilterInternal4x4EdgesFlag:w // Check for FilterInternal4x4EdgesFlag
// p3 = Cur MB Y row 0 = r[P_AddrReg, 0]<16;16,1>
// p2 = Cur MB Y row 1 = r[P_AddrReg, 16]<16;16,1>
// p1 = Cur MB Y row 2 = r[P_AddrReg, 32]<16;16,1>
// p0 = Cur MB Y row 3 = r[P_AddrReg, 48]<16;16,1>
// q0 = Cur MB Y row 4 = r[Q_AddrReg, 0]<16;16,1>
// q1 = Cur MB Y row 5 = r[Q_AddrReg, 16]<16;16,1>
// q2 = Cur MB Y row 6 = r[Q_AddrReg, 32]<16;16,1>
// q3 = Cur MB Y row 7 = r[Q_AddrReg, 48]<16;16,1>
mov (1) P_AddrReg:w SRC_MB_Y_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w 4*Y_ROW_WIDTH+SRC_MB_Y_BASE:w { NoDDChk }
mov (1) MaskA:uw r[ECM_AddrReg, wEdgeCntlMap_IntTopHorz]:uw { NoDDClr }
// tc0 has bTc0_h13_Y + bTc0_h12_Y + bTc0_h11_Y + bTc0_h10_Y
mov (4) tc0<1>:ub r[ECM_AddrReg, bTc0_h10_Y]<4;4,1>:ub { NoDDChk }
// (f0.0) jmpi BYPASS_4x4_DEBLOCK_H
// (f0.0.anyv) jmpi BYPASS_4x4_DEBLOCK_H
// CALL(FILTER_Y, 1)
PRED_CALL(-f0.0, FILTER_Y, 1)
//BYPASS_4x4_DEBLOCK_H:
//------------------------------------------------------------------
//---------- Deblock Y internal mid horizontal edge (H2) ----------
// Bypass deblocking if FilterInternal8x8EdgesFlag = 0
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FilterInternal8x8EdgesFlag:w // Check for FilterInternal4x4EdgesFlag
// and.z.f0.1 (1) null:uw r[ECM_AddrReg, wEdgeCntlMap_IntMidHorz]:uw 0xFFFF:uw // MaskA = 0?
// p3 = Cur MB Y row 4 = r[P_AddrReg, 0]<16;16,1>
// p2 = Cur MB Y row 5 = r[P_AddrReg, 16]<16;16,1>
// p1 = Cur MB Y row 6 = r[P_AddrReg, 32]<16;16,1>
// p0 = Cur MB Y row 7 = r[P_AddrReg, 48]<16;16,1>
// q0 = Cur MB Y row 8 = r[Q_AddrReg, 0]<16;16,1>
// q1 = Cur MB Y row 9 = r[Q_AddrReg, 16]<16;16,1>
// q2 = Cur MB Y row 10 = r[Q_AddrReg, 32]<16;16,1>
// q3 = Cur MB Y row 11 = r[Q_AddrReg, 48]<16;16,1>
mov (1) P_AddrReg:w 4*Y_ROW_WIDTH+SRC_MB_Y_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w 8*Y_ROW_WIDTH+SRC_MB_Y_BASE:w { NoDDChk }
mov (1) MaskA:uw r[ECM_AddrReg, wEdgeCntlMap_IntMidHorz]:uw { NoDDClr }
// mov (1) MaskB:uw 0:w // Set MaskB = 0, so it always uses bS < 4 algorithm.
// tc0 has bTc0_h23_Y + bTc0_h22_Y + bTc0_h21_Y + bTc0_h20_Y
mov (4) tc0<1>:ub r[ECM_AddrReg, bTc0_h20_Y]<4;4,1>:ub { NoDDChk }
// (f0.0) jmpi BYPASS_8x8_DEBLOCK_H
// (f0.0.anyv) jmpi BYPASS_8x8_DEBLOCK_H
// CALL(FILTER_Y, 1)
PRED_CALL(-f0.0, FILTER_Y, 1)
//BYPASS_8x8_DEBLOCK_H:
//-----------------------------------------------
//---------- Deblock Y internal bottom edge (H3) ----------
// Bypass deblocking if FilterInternal4x4EdgesFlag = 0
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FilterInternal4x4EdgesFlag:w // Check for FilterInternal4x4EdgesFlag
// and.z.f0.1 (1) null:uw r[ECM_AddrReg, wEdgeCntlMap_IntBotHorz]:uw 0xFFFF:uw // MaskA = 0?
// p3 = Cur MB Y row 8 = r[P_AddrReg, 0]<16;16,1>
// p2 = Cur MB Y row 9 = r[P_AddrReg, 16]<16;16,1>
// p1 = Cur MB Y row 10 = r[P_AddrReg, 32]<16;16,1>
// p0 = Cur MB Y row 11 = r[P_AddrReg, 48]<16;16,1>
// q0 = Cur MB Y row 12 = r[Q_AddrReg, 0]<16;16,1>
// q1 = Cur MB Y row 13 = r[Q_AddrReg, 16]<16;16,1>
// q2 = Cur MB Y row 14 = r[Q_AddrReg, 32]<16;16,1>
// q3 = Cur MB Y row 15 = r[Q_AddrReg, 48]<16;16,1>
mov (1) P_AddrReg:w 8*Y_ROW_WIDTH+SRC_MB_Y_BASE:w { NoDDClr }
mov (1) Q_AddrReg:w 12*Y_ROW_WIDTH+SRC_MB_Y_BASE:w { NoDDChk }
mov (1) MaskA:uw r[ECM_AddrReg, wEdgeCntlMap_IntBotHorz]:uw { NoDDClr }
// mov (1) MaskB:uw 0:w // Set MaskB = 0, so it always uses bS < 4 algorithm.
// tc0 has bTc0_h33_Y + bTc0_h32_Y + bTc0_h31_Y + bTc0_h30_Y
mov (4) tc0<1>:ub r[ECM_AddrReg, bTc0_h30_Y]<4;4,1>:ub { NoDDChk }
// (f0.0) jmpi BYPASS_4x4_DEBLOCK_H2
// (f0.0.anyv) jmpi BYPASS_4x4_DEBLOCK_H2
// CALL(FILTER_Y, 1)
PRED_CALL(-f0.0, FILTER_Y, 1)
//BYPASS_4x4_DEBLOCK_H2:
//-----------------------------------------------
|
