;// ;// Copyright (C) 2007-2008 ARM Limited ;// ;// Licensed under the Apache License, Version 2.0 (the "License"); ;// you may not use this file except in compliance with the License. ;// You may obtain a copy of the License at ;// ;// http://www.apache.org/licenses/LICENSE-2.0 ;// ;// Unless required by applicable law or agreed to in writing, software ;// distributed under the License is distributed on an "AS IS" BASIS, ;// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ;// See the License for the specific language governing permissions and ;// limitations under the License. ;// ;// ;// ;// File Name: armVCM4P10_DeblockingLuma_unsafe_s.s ;// OpenMAX DL: v1.0.2 ;// Revision: 12290 ;// Date: Wednesday, April 9, 2008 ;// ;// ;// ;// INCLUDE omxtypes_s.h INCLUDE armCOMM_s.h M_VARIANTS CortexA8 IF CortexA8 pThresholds RN 5 ;// 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 dFilt DN D16.U8 dAqflg DN D12.U8 dApflg DN D17.U8 dAp0q0 DN D13.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 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 ;// Register usage for - armVCM4P10_DeblockingLumabSLT4_unsafe ;// ;// Inputs - Pixels - p0-p3: D4-D7, q0-q3: D8-D11 ;// - Filter masks - filt: D16, aqflg: D12, apflg: D17 ;// - Additional Params - pThresholds: r5 ;// ;// Outputs - Pixels - P0-P1: D29-D30, Q0-Q1: D24-D25 ;// - Additional Params - pThresholds: r5 ;// Registers Corrupted - D18-D31 M_START armVCM4P10_DeblockingLumabSLT4_unsafe ;// qDq0p0-10 VSUBL qDp1q1, dP_1, dQ_1 VLD1 {dTC0[]}, [pThresholds]! ;// qDp1q1-11 VSUBL qDq0p0, dQ_0, dP_0 VLD1 {dTC1[]}, [pThresholds]! ;// dRp0q0-24 VSHR qDp1q1, qDp1q1, #2 ;// dTC01 = (dTC1 << 4) | dTC0 ;// dTC01-18 VEXT dTC01, dTC0, dTC1, #4 ;// dTemp-19 VAND dTemp, dApflg, dMask_1 VBIF dTC01, dMask_0, dFilt ;// delta = (((q0-p0)<<2) + (p1-q1) + 4) >> 3; ;// dDelta = (qDp1q1 >> 2 + qDq0p0 + 1)>> 1 ;// qDelta-qDq0p0-10 VRHADD qDelta, qDp1q1, qDq0p0 VRHADD dRp0q0, dP_0, dQ_0 VADD dTC, dTC01, dTemp ;// dTC = dTC01 + (dAplg & 1) + (dAqflg & 1) VAND dTemp, dAqflg, dMask_1 VQADD dMaxP, dP_1, dTC01 VQMOVN dDelta, qDelta VADD dTC, dTC, dTemp ;// dMaxP = QADD(dP_1, dTC01) ;// dMinP = QSUB(dP_1, dTC01) ;// dMaxP-d23 ;// dMinP-d22 VQSUB dMinP, dP_1, dTC01 ;// dDelta-d20 ;// dMaxQ = QADD(dQ_1, dTC01) ;// dMinQ = QSUB(dQ_1, dTC01) ;// dMaxQ-19 ;// dMinQ-21 VQADD dMaxQ, dQ_1, dTC01 VHADD dDeltaP, dRp0q0, dP_2 VMIN dDelta, dDelta, dTCs ;// dDelta = (OMX_U8)armClip(0, 255, q0 - delta); VNEG dTCs, dTCs VQSUB dMinQ, dQ_1, dTC01 ;// delta = (p2 + ((p0+q0+1)>>1) - (p1<<1))>>1; ;// delta = armClip(-tC0, tC0, delta); ;// pQ0[-2*Step] = (OMX_U8)(p1 + delta); ;// dDeltaP = (dP_2 + dRp0q0)>>1; ;// dP_1n = armClip(dP_1 - dTC01, dP_1 + dTC01, dDeltaP); ;// dP_1n = armClip(MinP, MaxP, dDeltaP); ;// delta = (q2 + ((p0+q0+1)>>1) - (q1<<1))>>1; ;// delta = armClip(-tC0, tC0, delta); ;// pQ0[1*Step] = (OMX_U8)(q1 + delta); ;// dDeltaQ = (dQ_2 + dRp0q0)>>1; ;// dQ_1n = armClip(dQ_1 - dTC01, dQ_1 + dTC01, dDeltaQ); ;// dQ_1n = armClip(MinQ, MaxQ, dDeltaQ); ;// dDeltaP-26 VHADD dDeltaQ, dRp0q0, dQ_2 ;// dDeltaQ-27 ;// dP_0n - 29 ;// dP_1n - 30 ;// dQ_0n - 24 ;// dQ_1n - 25 ;// delta = (q2 + ((p0+q0+1)>>1) - (q1<<1))>>1; ;// dDeltaQ = (dQ_2 + dRp0q0)>>1; VMAX dP_1n, dDeltaP, dMinP VMAX dDelta, dDelta, dTCs ;// pQ0[-1*Step] = (OMX_U8)armClip(0, 255, dP_0 - delta); ;// pQ0[0*Step] = (OMX_U8)armClip(0, 255, dQ_0 - delta); ;// dP_0n = (OMX_U8)armClip(0, 255, dP_0 - dDelta); ;// dQ_0n = (OMX_U8)armClip(0, 255, dP_0 - dDelta); ;// qP_0n - 14 ;// qQ_0n - 12 VMOVL qP_0n, dP_0 VMOVL qQ_0n, dQ_0 VADDW qP_0n, qP_0n, dDelta VSUBW qQ_0n, qQ_0n, dDelta VQMOVUN dP_0n, qP_0n VQMOVUN dQ_0n, qQ_0n VMAX dQ_1n, dDeltaQ, dMinQ VMIN dP_1n, dP_1n, dMaxP VMIN dQ_1n, dQ_1n, dMaxQ VBIF dP_0n, dP_0, dFilt VBIF dP_1n, dP_1, dApflg VBIF dQ_0n, dQ_0, dFilt VBIF dQ_1n, dQ_1, dAqflg M_END ;// Register usage for - armVCM4P10_DeblockingLumabSGE4_unsafe() ;// ;// Inputs - Pixels - p0-p3: D4-D7, q0-q3: D8-D11 ;// - Filter masks - filt: D16, aqflg: D12, apflg: D17 ;// - Additional Params - alpha: D0, dMask_1: D15 ;// ;// Outputs - Pixels - P0-P2: D29-D31, Q0-Q2: D24,D25,D28 ;// Registers Corrupted - D18-D31 M_START armVCM4P10_DeblockingLumabSGE4_unsafe ;// ap>2)+2) ;// aq>2)+2) ;// ( dApflg & dAp0q0 < (dAlpha >> 2 + 2) ) ;// ( dAqflg & dAp0q0 < (dAlpha >> 2 + 2) ) ;// ( dApflg = dApflg & dAp0q0 < (dTemp + dMask_1 + dMask_1) ) ;// ( dAqflg = dAqflg & dAp0q0 < (dTemp + dMask_1 + dMask_1) ) ;// P Filter VSHR dTemp, dAlpha, #2 VADD dTemp, dTemp, dMask_1 ;// qSp0q0-10 VADDL qSp0q0, dQ_0, dP_0 VADD dTemp, dTemp, dMask_1 ;// qSp2q1-11 ;// qSp0q0p1-12 VADDL qSp2q1, dP_2, dQ_1 VADDW qSp0q0p1, qSp0q0, dP_1 VCGT dTemp, dTemp, dAp0q0 VSHR qSp2q1, #1 ;// pQ0[-1*Step] = (OMX_U8)((p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4)>>3); ;// pQ0[-1*Step] = ( ( (p0 + q0 + p1) + (p2 + q1)>>1 ) >> 1 + 1 ) >> 1 ;// dP_0n = ( ( (qSp0q0 + dP_1) + qSp2q1>>1 ) >> 1 + 1 ) >> 1 ;// dP_0n = ( ( qSp0q0p1 + qSp2q1>>1 ) >> 1 + 1 ) >> 1 ;// dP_0n = ( qTemp1 + 1 ) >> 1 ;// pQ0[-2*Step] = (OMX_U8)((p2 + p1 + p0 + q0 + 2)>>2); ;// dP_1n = (OMX_U8)((dP_2 + qSp0q0p1 + 2)>>2); ;// dP_1n = (OMX_U8)((qTemp2 + 2)>>2); ;// pQ0[-3*Step] = (OMX_U8)((2*p3 + 3*p2 + p1 + p0 + q0 + 4)>>3); ;// pQ0[-3*Step] = (OMX_U8)(( (p3 + p2) + (p1 + p0 + q0 + p2) >> 1 + 2)>>2); ;// dP_2n = (OMX_U8)(( qSp3p2 + (dP_2 + qSp0q0p1) >> 1 + 2) >> 2); ;// dP_2n = (OMX_U8)(( qSp3p2 + qTemp2 >> 1 + 2) >> 2); ;// qTemp1-qSp2q1-11 ;// qTemp2-qSp0q0p1-12 VHADD qTemp1, qSp0q0p1, qSp2q1 VADDW qTemp2, qSp0q0p1, dP_2 ;// qSp3p2-13 VADDL qSp3p2, dP_3, dP_2 VAND dApflg, dApflg, dTemp VHADD dHSp0q1, dP_0, dQ_1 VSRA qSp3p2, qTemp2, #1 ;// dHSp0q1-28 VAND dAqflg, dAqflg, dTemp ;// dP_0n-29 ;// dP_0t-dHSp0q1-28 VQRSHRN dP_0n, qTemp1, #1 VRHADD dP_0t, dHSp0q1, dP_1 ;// dP_1n-30 VQRSHRN dP_1n, qTemp2, #2 VADDL qSq2p1, dQ_2, dP_1 VADDW qSp0q0q1, qSp0q0, dQ_1 VBIF dP_0n, dP_0t, dApflg ;// Q Filter ;// pQ0[0*Step] = (OMX_U8)((q2 + 2*q1 + 2*q0 + 2*p0 + p1 + 4)>>3); ;// pQ0[0*Step] = ( ( (p0 + q0 + q1) + (q2 + p1)>>1 ) >> 1 + 1 ) >> 1 ;// dQ_0n = ( ( (qSp0q0 + dQ_1) + qSq2p1>>1 ) >> 1 + 1 ) >> 1 ;// dQ_0n = ( ( qSp0q0q1 + qSq2p1>>1 ) >> 1 + 1 ) >> 1 ;// dQ_0n = ( qTemp1 + 1 ) >> 1 ;// pQ0[1*Step] = (OMX_U8)((q2 + q1 + q0 + q0 + 2)>>2); ;// dQ_1n = (OMX_U8)((dQ_2 + qSp0q0q1 + 2)>>2); ;// dQ_1n = (OMX_U8)((qTemp2 + 2)>>2); ;// pQ0[2*Step] = (OMX_U8)((2*q3 + 3*q2 + q1 + q0 + p0 + 4)>>3); ;// pQ0[2*Step] = (OMX_U8)(( (q3 + q2) + (q1 + p0 + q0 + q2) >> 1 + 2)>>2); ;// dQ_2n = (OMX_U8)(( qSq3q2 + (dQ_2 + qSp0q0q1) >> 1 + 2) >> 2); ;// dQ_2n = (OMX_U8)(( qSq3q2 + qTemp2 >> 1 + 2) >> 2); ;// qTemp1-qSp2q1-11 ;// qTemp2-qSp0q0p1-12 ;// qSq2p1-11 ;// qSp0q0q1-12 ;// qTemp2-qSp0q0p1-12 ;// qTemp1-qSq2p1-11 ;// qSq3q2-13 ;// dP_2n-31 VQRSHRN dP_2n, qSp3p2, #2 VADDL qSq3q2, dQ_3, dQ_2 VSHR qSq2p1, #1 VHADD qTemp1, qSp0q0q1, qSq2p1 VADDW qTemp2, qSp0q0q1, dQ_2 ;// dHSq0p1-28 VHADD dHSq0p1, dQ_0, dP_1 VBIF dP_0n, dP_0, dFilt VBIF dP_1n, dP_1, dApflg VSRA qSq3q2, qTemp2, #1 ;// dQ_1-Temp2-25 ;// dQ_0-Temp2-24 VQRSHRN dQ_1n, qTemp2, #2 VQRSHRN dQ_0n, qTemp1, #1 ;// dQ_0t-Temp1-22 VRHADD dQ_0t, dHSq0p1, dQ_1 VBIF dQ_1n, dQ_1, dAqflg VBIF dP_2n, dP_2, dApflg VBIF dQ_0n, dQ_0t, dAqflg VQRSHRN dQ_2n, qSq3q2, #2 VBIF dQ_0n, dQ_0, dFilt VBIF dQ_2n, dQ_2, dAqflg M_END ENDIF END