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/external/libopus/silk/ |
H A D | stereo_find_predictor.c | 45 opus_int32 nrgx, nrgy, corr, pred_Q13, pred2_Q10; local 48 silk_sum_sqr_shift( &nrgx, &scale1, x, length ); 53 nrgx = silk_RSHIFT32( nrgx, scale - scale1 ); 54 nrgx = silk_max_int( nrgx, 1 ); 56 pred_Q13 = silk_DIV32_varQ( corr, nrgx, 13 ); 66 mid_res_amp_Q0[ 0 ] = silk_SMLAWB( mid_res_amp_Q0[ 0 ], silk_LSHIFT( silk_SQRT_APPROX( nrgx ), scale ) - mid_res_amp_Q0[ 0 ], 68 /* Residual energy = nrgy - 2 * pred * corr + pred^2 * nrgx */ 70 nrgy = silk_ADD_LSHIFT32( nrgy, silk_SMULWB( nrgx, pred2_Q1 [all...] |
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