Searched refs:SBC_COS_PI_SUR_4 (Results 1 – 1 of 1) sorted by relevance
| /hal_espressif-latest/components/bt/host/bluedroid/external/sbc/encoder/srce/ |
| D | sbc_dct.c | 45 #define SBC_COS_PI_SUR_4 (0x00005a82) /* ((0x8000) * 0.7071) = cos(pi/4) */ macro
54 #define SBC_COS_PI_SUR_4 (0x5A827999) /* ((0x80000000) * 0.707106781) = (cos(pi/4)… macro
91 SBC_IDCT_MULT(SBC_COS_PI_SUR_4, pInVect[4], x0); in SBC_FastIDCT8()
104 SBC_IDCT_MULT(SBC_COS_PI_SUR_4, ( x0 + x4 ), x0); /*x0 = ( x0 + x4 ) * cos(1*pi/4) ; */ in SBC_FastIDCT8()
105 … SBC_IDCT_MULT(SBC_COS_PI_SUR_4, ( temp - x4 ), x4); /*x4 = ( temp - x4 ) * cos(1*pi/4) ; */ in SBC_FastIDCT8()
112 SBC_IDCT_MULT(SBC_COS_PI_SUR_4, x6, x6); /*x6 = x6 * cos(1*pi/4) ; */ in SBC_FastIDCT8()
131 SBC_IDCT_MULT(SBC_COS_PI_SUR_4, x5, x5); /*x5 = x5 * cos(1*pi/4) ; */ in SBC_FastIDCT8()
139 SBC_IDCT_MULT(SBC_COS_PI_SUR_4, x7, x7); /*x7 = x7 * cos(1*pi/4) ; */ in SBC_FastIDCT8()
213 SBC_IDCT_MULT((SBC_COS_PI_SUR_4 >> 1), temp , tmp[0]); in SBC_FastIDCT4()
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