{
int wsp = (vad > 0);
float tilt;
+ float tmp;
if (ctx->fr_cur_mode == MODE_23k85)
return qua_hb_gain[hb_idx] * (1.0f / (1 << 14));
- tilt = ctx->celpm_ctx.dot_productf(synth, synth + 1, AMRWB_SFR_SIZE - 1) /
- ctx->celpm_ctx.dot_productf(synth, synth, AMRWB_SFR_SIZE);
+ tmp = ctx->celpm_ctx.dot_productf(synth, synth + 1, AMRWB_SFR_SIZE - 1);
+
+ if (tmp > 0) {
+ tilt = tmp / ctx->celpm_ctx.dot_productf(synth, synth, AMRWB_SFR_SIZE);
+ } else
+ tilt = 0;
/* return gain bounded by [0.1, 1.0] */
- return av_clipf((1.0 - FFMAX(0.0, tilt)) * (1.25 - 0.25 * wsp), 0.1, 1.0);
+ return av_clipf((1.0 - tilt) * (1.25 - 0.25 * wsp), 0.1, 1.0);
}
/**