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/netgear-R7000-V1.0.7.12_1.2.5/ap/gpl/iserver/alsa-lib-1.0.26/src/pcm/
H A Dpcm_adpcm.c114 unsigned char adjust_idx; /* Index to IndexAdjust lookup table */ local
127 * adjust_idx = diff * 4 / step;
128 * pred_diff = (adjust_idx + 0.5) * step / 4;
139 for (adjust_idx = 0, i = 0x4; i; i >>= 1, step >>= 1) {
141 adjust_idx |= i;
157 state->step_idx += IndexAdjust[adjust_idx];
164 return (sign | adjust_idx);

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