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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
|
;//
;//
;// File Name: omxVCM4P10_FilterDeblockingLuma_HorEdge_I_s.s
;// OpenMAX DL: v1.0.2
;// Revision: 12290
;// Date: Wednesday, April 9, 2008
;//
;// (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
;//
;//
;//
INCLUDE omxtypes_s.h
INCLUDE armCOMM_s.h
M_VARIANTS CortexA8
IMPORT armVCM4P10_DeblockingLumabSLT4_unsafe
IMPORT armVCM4P10_DeblockingLumabSGE4_unsafe
IF CortexA8
LOOP_COUNT EQU 0x55000000
;// Function arguments
pSrcDst RN 0
srcdstStep RN 1
pAlpha RN 2
pBeta RN 3
pThresholds RN 5
pBS RN 4
bS10 RN 12
pAlpha_0 RN 2
pBeta_0 RN 3
pAlpha_1 RN 7
pBeta_1 RN 8
;// Loop
XY RN 9
pTmp RN 6
step RN 10
;// Pixels
dP_0 DN D4.U8
dP_1 DN D5.U8
dP_2 DN D6.U8
dP_3 DN D7.U8
dQ_0 DN D8.U8
dQ_1 DN D9.U8
dQ_2 DN D10.U8
dQ_3 DN D11.U8
;// Filtering Decision
dAlpha DN D0.U8
dBeta DN D2.U8
dFilt DN D16.U8
dAqflg DN D12.U8
dApflg DN D17.U8
dAp0q0 DN D13.U8
dAp1p0 DN D12.U8
dAq1q0 DN D18.U8
dAp2p0 DN D19.U8
dAq2q0 DN D17.U8
;// bSLT4
dTC0 DN D18.U8
dTC1 DN D19.U8
dTC01 DN D18.U8
dTCs DN D31.S8
dTC DN D31.U8
dMask_0 DN D14.U8
dMask_1 DN D15.U8
Mask_0 RN 11
dTemp DN D19.U8
;// Computing P0,Q0
qDq0p0 QN Q10.S16
qDp1q1 QN Q11.S16
qDelta QN Q10.S16 ; reuse qDq0p0
dDelta DN D20.S8
;// Computing P1,Q1
dRp0q0 DN D24.U8
dMaxP DN D23.U8
dMinP DN D22.U8
dMaxQ DN D19.U8
dMinQ DN D21.U8
dDeltaP DN D26.U8
dDeltaQ DN D27.U8
qP_0n QN Q14.S16
qQ_0n QN Q12.S16
dQ_0n DN D24.U8
dQ_1n DN D25.U8
dP_0n DN D29.U8
dP_1n DN D30.U8
;// bSGE4
qSp0q0 QN Q10.U16
qSp2q1 QN Q11.U16
qSp0q0p1 QN Q12.U16
qSp3p2 QN Q13.U16
dHSp0q1 DN D28.U8
qSq2p1 QN Q11.U16
qSp0q0q1 QN Q12.U16
qSq3q2 QN Q13.U16 ;!!
dHSq0p1 DN D28.U8 ;!!
qTemp1 QN Q11.U16 ;!!;qSp2q1
qTemp2 QN Q12.U16 ;!!;qSp0q0p1
dP_0t DN D28.U8 ;!!;dHSp0q1
dQ_0t DN D22.U8 ;!!;Temp1
dP_0n DN D29.U8
dP_1n DN D30.U8
dP_2n DN D31.U8
dQ_0n DN D24.U8 ;!!;Temp2
dQ_1n DN D25.U8 ;!!;Temp2
dQ_2n DN D28.U8 ;!!;dQ_0t
;// Function header
M_START omxVCM4P10_FilterDeblockingLuma_HorEdge_I, r11, d15
;//Arguments on the stack
M_ARG ppThresholds, 4
M_ARG ppBS, 4
;// d0-dAlpha_0
;// d2-dBeta_0
ADD pAlpha_1, pAlpha_0, #1
ADD pBeta_1, pBeta_0, #1
VLD1 {dAlpha[]}, [pAlpha_0]
SUB pSrcDst, pSrcDst, srcdstStep, LSL #2
VLD1 {dBeta[]}, [pBeta_0]
M_LDR pBS, ppBS
M_LDR pThresholds, ppThresholds
MOV Mask_0,#0
;dMask_0-14
;dMask_1-15
VMOV dMask_0, #0
VMOV dMask_1, #1
ADD step, srcdstStep, srcdstStep
LDR XY,=LOOP_COUNT
;// p0-p3 - d4-d7
;// q0-q3 - d8-d11
LoopY
LoopX
LDRH bS10, [pBS], #2
ADD pTmp, pSrcDst, srcdstStep
CMP bS10, #0
BEQ NoFilterBS0
VLD1 dP_3, [pSrcDst], step
VLD1 dP_2, [pTmp], step
VLD1 dP_1, [pSrcDst], step
VLD1 dP_0, [pTmp], step
VLD1 dQ_0, [pSrcDst], step
VABD dAp1p0, dP_0, dP_1
VLD1 dQ_1, [pTmp]
VABD dAp0q0, dQ_0, dP_0
VLD1 dQ_2, [pSrcDst], srcdstStep
VABD dAq1q0, dQ_1, dQ_0
VABD dAp2p0, dP_2, dP_0
VCGT dFilt, dAlpha, dAp0q0
TST bS10, #0xff
VMAX dAp1p0, dAq1q0, dAp1p0
VABD dAq2q0, dQ_2, dQ_0
VMOVEQ.U32 dFilt[0], Mask_0
TST bS10, #0xff00
VCGT dAp2p0, dBeta, dAp2p0
VCGT dAp1p0, dBeta, dAp1p0
VMOVEQ.U32 dFilt[1], Mask_0
VCGT dAq2q0, dBeta, dAq2q0
VLD1 dQ_3, [pSrcDst]
VAND dFilt, dFilt, dAp1p0
TST bS10, #4
VAND dAqflg, dFilt, dAq2q0
VAND dApflg, dFilt, dAp2p0
BNE bSGE4
bSLT4
;// bS < 4 Filtering
SUB pSrcDst, pSrcDst, srcdstStep, LSL #2
SUB pSrcDst, pSrcDst, srcdstStep
BL armVCM4P10_DeblockingLumabSLT4_unsafe
;// Result Storage
VST1 dP_1n, [pSrcDst], srcdstStep
VST1 dP_0n, [pSrcDst], srcdstStep
SUB pTmp, pSrcDst, srcdstStep, LSL #2
VST1 dQ_0n, [pSrcDst], srcdstStep
ADDS XY, XY, XY
VST1 dQ_1n, [pSrcDst]
ADD pSrcDst, pTmp, #8
BCC LoopX
B ExitLoopY
NoFilterBS0
ADD pSrcDst, pSrcDst, #8
ADDS XY, XY, XY
ADD pThresholds, pThresholds, #2
BCC LoopX
B ExitLoopY
bSGE4
;// bS >= 4 Filtering
SUB pSrcDst, pSrcDst, srcdstStep, LSL #2
SUB pSrcDst, pSrcDst, srcdstStep, LSL #1
BL armVCM4P10_DeblockingLumabSGE4_unsafe
;// Result Storage
VST1 dP_2n, [pSrcDst], srcdstStep
VST1 dP_1n, [pSrcDst], srcdstStep
VST1 dP_0n, [pSrcDst], srcdstStep
SUB pTmp, pSrcDst, srcdstStep, LSL #2
VST1 dQ_0n, [pSrcDst], srcdstStep
ADDS XY,XY,XY
VST1 dQ_1n, [pSrcDst], srcdstStep
ADD pThresholds, pThresholds, #2
VST1 dQ_2n, [pSrcDst]
ADD pSrcDst, pTmp, #8
BCC LoopX
ExitLoopY
SUB pSrcDst, pSrcDst, #16
VLD1 {dAlpha[]}, [pAlpha_1]
ADD pSrcDst, pSrcDst, srcdstStep, LSL #2
VLD1 {dBeta[]}, [pBeta_1]
BNE LoopY
MOV r0, #OMX_Sts_NoErr
M_END
ENDIF
END
|
