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Improvement: Double constants hunting

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This commit is contained in:
Antoine SOULIER
2022-04-20 14:54:06 +02:00
parent c3831b7b24
commit ddc6522790
5 changed files with 50 additions and 48 deletions
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16
src/ltpf.c
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@@ -50,8 +50,8 @@ static inline void resample_12k8_template(const enum lc3_srate sr,
const int w = 5 * LC3_SRATE_KHZ(sr) / 8;
const int b_scale = p >> (sr == LC3_SRATE_8K);
const float a1 = -1.965293373, b1 = -1.965589417 * b_scale;
const float a2 = 0.965885461, b2 = 0.982794708 * b_scale;
const float a1 = -1.965293373f, b1 = -1.965589417f * b_scale;
const float a2 = 0.965885461f, b2 = 0.982794708f * b_scale;
/* --- Resampling ---
* The value `15*8 * n` is divisible by all resampling factors `p`,
@@ -291,7 +291,7 @@ static bool detect_pitch(
correlate(x, x - r0, n, r, nr);
int t1 = argmax_weighted(r, nr, -.5/(nr-1), &rm1);
int t1 = argmax_weighted(r, nr, -.5f/(nr-1), &rm1);
int t2 = k0 + argmax(r + k0, nk, &rm2);
const float *x1 = x - (r0 + t1);
@@ -303,11 +303,11 @@ static bool detect_pitch(
float nc2 = rm2 <= 0 ? 0 :
rm2 / sqrtf(dot(x, x, n) * dot(x2, x2, n));
int t1sel = nc2 <= 0.85 * nc1;
int t1sel = nc2 <= 0.85f * nc1;
ltpf->tc = (t1sel ? t1 : t2);
*tc = r0 + ltpf->tc;
return (t1sel ? nc1 : nc2) > 0.6;
return (t1sel ? nc1 : nc2) > 0.6f;
}
/**
@@ -408,12 +408,12 @@ bool lc3_ltpf_analyse(enum lc3_dt dt, enum lc3_srate sr,
float nc_diff = nc - ltpf->nc[0];
data->active = pitch_present &&
((nc > 0.9) || (nc > 0.84 && pitch_diff < 8 && nc_diff > -0.1));
((nc > 0.9f) || (nc > 0.84f && pitch_diff < 8 && nc_diff > -0.1f));
} else {
data->active = pitch_present &&
( (dt == LC3_DT_10M || ltpf->nc[1] > 0.94) &&
(ltpf->nc[0] > 0.94 && nc > 0.94) );
( (dt == LC3_DT_10M || ltpf->nc[1] > 0.94f) &&
(ltpf->nc[0] > 0.94f && nc > 0.94f) );
}
ltpf->active = data->active;