Lines Matching defs:lag
279 * @param pitch_lag closed loop pitch lag
318 int offset, beta, lag;
328 lag = pitch_contrib[subfrm->ad_cb_gain << 1] + pitch_lag +
332 if (lag < SUBFRAME_LEN - 2) {
333 for (i = lag; i < SUBFRAME_LEN; i++)
334 vector[i] += beta * vector[i - lag] >> 15;
340 * Estimate maximum auto-correlation around pitch lag.
345 * @param pitch_lag decoded pitch lag
347 * @param dir forward lag(1) / backward lag(-1)
352 int limit, ccr, lag = 0;
366 lag = i;
369 return lag;
375 * @param lag pitch postfilter forward/backward lag
382 static void comp_ppf_gains(int lag, PPFParam *ppf, enum Rate cur_rate,
388 ppf->index = lag;
426 * @param pitch_lag decoded pitch lag
557 * @param lag decoded pitch lag
561 static void residual_interp(int16_t *buf, int16_t *out, int lag,
565 if (lag) { /* Voiced */
568 for (i = 0; i < lag; i++)
569 out[i] = vector_ptr[i - lag] * 3 >> 2;
570 av_memcpy_backptr((uint8_t*)(out + lag), lag * sizeof(*out),
571 (FRAME_LEN - lag) * sizeof(*out));