Lines Matching refs:isf
52 Coding/Decoding of ISF parameters with prediction.
54 The ISF vector is quantized using two-stage VQ with split-by-2
127 * Decoding of ISF parameters *
132 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
133 int16 * past_isfq,/* i/0 : past ISF quantizer */
134 int16 * isfold, /* input : past quantized ISF */
135 int16 * isf_buf, /* input : isf buffer */
210 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
223 * Decoding of ISF parameters
228 int16 * isf_q, /* output: quantized ISF in frequency domain (0..0.5) */
229 int16 * past_isfq, /* i/0 : past ISF quantizer */
230 int16 * isfold, /* input : past quantized ISF */
231 int16 * isf_buf, /* input : isf buffer */
305 tmp = add_int16(ref_isf[i], mult_int16(past_isfq[i], MU)); /* predicted ISF */
324 * isf[] vector of isfs i/o
330 int16 * isf, /* (i/o) Q15: ISF in the frequency domain (0..0.5) */
332 int16 n /* (i) : number of ISF */
341 if (isf[i] < isf_min)
343 isf[i] = isf_min;
345 isf_min = add_int16(isf[i], min_dist);
