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/system/bt/embdrv/sbc/encoder/srce/
Dsbc_dct.c100 int32_t res_even[4], res_odd[4]; in SBC_FastIDCT8() local
165 res_odd[0]); /*res_odd[ 0 ] = ( x1 + x3 ) * cos(1*pi/16) ; */ in SBC_FastIDCT8()
167 res_odd[1]); /*res_odd[ 1 ] = ( x5 + x7 ) * cos(3*pi/16) ; */ in SBC_FastIDCT8()
169 res_odd[2]); /*res_odd[ 2 ] = ( x5 - x7 ) * cos(5*pi/16) ; */ in SBC_FastIDCT8()
171 res_odd[3]); /*res_odd[ 3 ] = ( x1 - x3 ) * cos(7*pi/16) ; */ in SBC_FastIDCT8()
174 pOutVect[0] = (res_even[0] + res_odd[0]); in SBC_FastIDCT8()
175 pOutVect[1] = (res_even[1] + res_odd[1]); in SBC_FastIDCT8()
176 pOutVect[2] = (res_even[2] + res_odd[2]); in SBC_FastIDCT8()
177 pOutVect[3] = (res_even[3] + res_odd[3]); in SBC_FastIDCT8()
178 pOutVect[7] = (res_even[0] - res_odd[0]); in SBC_FastIDCT8()
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