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Diffstat (limited to 'media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p2/src/omxVCM4P2_QuantInvInter_I_s.s')
| -rwxr-xr-x | media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p2/src/omxVCM4P2_QuantInvInter_I_s.s | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p2/src/omxVCM4P2_QuantInvInter_I_s.s b/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p2/src/omxVCM4P2_QuantInvInter_I_s.s deleted file mode 100755 index bd0ad1f..0000000 --- a/media/libstagefright/codecs/on2/h264dec/omxdl/arm_neon/vc/m4p2/src/omxVCM4P2_QuantInvInter_I_s.s +++ /dev/null @@ -1,162 +0,0 @@ -;/** -; * -; * File Name: omxVCM4P2_QuantInvInter_I_s.s -; * OpenMAX DL: v1.0.2 -; * Revision: 12290 -; * Date: Wednesday, April 9, 2008 -; * -; * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. -; * -; * -; * -; * Description: -; * Contains modules for inter reconstruction -; * -; * -; * -; * -; * -; * Function: omxVCM4P2_QuantInvInter_I -; * -; * Description: -; * Performs inverse quantization on intra/inter coded block. -; * This function supports bits_per_pixel = 8. Mismatch control -; * is performed for the first MPEG-4 mode inverse quantization method. -; * The output coefficients are clipped to the range: [-2048, 2047]. -; * Mismatch control is performed for the first inverse quantization method. -; * -; * Remarks: -; * -; * Parameters: -; * [in] pSrcDst pointer to the input (quantized) intra/inter block. Must be 16-byte aligned. -; * [in] QP quantization parameter (quantiser_scale) -; * [in] videoComp (Intra version only.) Video component type of the -; * current block. Takes one of the following flags: -; * OMX_VC_LUMINANCE, OMX_VC_CHROMINANCE, -; * OMX_VC_ALPHA. -; * [in] shortVideoHeader a flag indicating presence of short_video_header; -; * shortVideoHeader==1 selects linear intra DC mode, -; * and shortVideoHeader==0 selects nonlinear intra DC mode. -; * [out] pSrcDst pointer to the output (dequantized) intra/inter block. Must be 16-byte aligned. -; * -; * Return Value: -; * OMX_Sts_NoErr - no error -; * OMX_Sts_BadArgErr - bad arguments -; * - If pSrcDst is NULL or is not 16-byte aligned. -; * or -; * - If QP <= 0. -; * or -; * - videoComp is none of OMX_VC_LUMINANCE, OMX_VC_CHROMINANCE and OMX_VC_ALPHA. -; * -; */ - - INCLUDE omxtypes_s.h - INCLUDE armCOMM_s.h - - M_VARIANTS CortexA8 - - IF CortexA8 - - -;//Input Arguments -pSrcDst RN 0 -QP RN 1 - - -;//Local Variables -Count RN 3 -doubleQP RN 4 -Return RN 0 -;// Neon registers - - -dQP10 DN D0.S32[0] -qQP1 QN Q0.S32 - -dQP1 DN D0.S16 -dMinusQP1 DN D1.S16 - -dCoeff0 DN D2.S16 -dCoeff1 DN D3.S16 - -qResult0 QN Q3.S32 -dResult0 DN D7.S16 -qSign0 QN Q3.S32 -dSign0 DN D6.S16 - -qResult1 QN Q4.S32 -dResult1 DN D8.S16 -qSign1 QN Q4.S32 -dSign1 DN D8.S16 - -d2QP0 DN D10.S32[0] -q2QP0 QN Q5.S32 -d2QP DN D10.S16 - -dZero0 DN D11.S16 -dZero1 DN D12.S16 -dConst0 DN D13.S16 - - - M_START omxVCM4P2_QuantInvInter_I,r4,d13 - - - - ADD doubleQP,QP,QP ;// doubleQP= 2*QP - VMOV d2QP0,doubleQP - VDUP q2QP0,d2QP0 ;// Move doubleQP in to a scalar - TST QP,#1 - VLD1 {dCoeff0,dCoeff1},[pSrcDst] ;// Load first 8 values to Coeff0,Coeff1 - SUBEQ QP,QP,#1 - VMOV dQP10,QP ;// If QP is even then QP1=QP-1 else QP1=QP - MOV Count,#64 - VDUP qQP1,dQP10 ;// Duplicate tempResult with QP1 - VSHRN d2QP,q2QP0,#0 - VEOR dConst0,dConst0,dConst0 - VSHRN dQP1,qQP1,#0 ;// QP1 truncated to 16 bits - VSUB dMinusQP1,dConst0,dQP1 ;// dMinusQP1=-QP1 - -Loop - - ;//Performing Inverse Quantization - - VCLT dSign0,dCoeff0, #0 ;// Compare Coefficient 0 against 0 - VCLT dSign1,dCoeff1, #0 ;// Compare Coefficient 1 against 0 - VCEQ dZero0,dCoeff0,#0 ;// Compare Coefficient 0 against zero - VBSL dSign0,dMinusQP1,dQP1 ;// dSign0 = -QP1 if Coeff0< 0 else QP1 - VCEQ dZero1,dCoeff1,#0 ;// Compare Coefficient 1 against zero - VBSL dSign1,dMinusQP1,dQP1 ;// dSign1 = -QP1 if Coeff1< 0 else QP1 - VMOVL qSign0,dSign0 ;// Sign extend qSign0 to 32 bits - VMOVL qSign1,dSign1 - VMLAL qResult0,dCoeff0,d2QP ;// qResult0[i]= qCoeff0[i]+qCoeff0[i]*(-2) if Coeff <0 - ;// qResult0[i]= qCoeff0[i] if Coeff >=0 - VMLAL qResult1,dCoeff1,d2QP ;// qResult1[i]= qCoeff1[i]+qCoeff1[i]*(-2) if Coeff <0 - ;// qResult1[i]= qCoeff1[i] if Coeff >=0 - ;// Clip Result to [-2048,2047] - - VQSHL qResult0,qResult0,#20 ;// clip to [-2048,2047] - VQSHL qResult1,qResult1,#20 - - VSHR qResult0,qResult0,#4 - VSHR qResult1,qResult1,#4 - VSHRN dResult0,qResult0,#16 ;// Narrow the clipped Value to Halfword - VSHRN dResult1,qResult1,#16 - VBIT dResult0,dConst0,dZero0 - VBIT dResult1,dConst0,dZero1 - - VST1 {dResult0,dResult1},[pSrcDst]! ;// Store the result - SUBS Count,Count,#8 - VLD1 {dCoeff0,dCoeff1},[pSrcDst] - - - BGT Loop - - MOV Return,#OMX_Sts_NoErr - - - M_END - ENDIF - - - END - |