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DPL2Decoder: Prefer static_cast to C-style casts

This commit is contained in:
MerryMage 2017-04-22 21:24:47 +01:00
parent 4f884d0b2f
commit c9f50fd4ed
1 changed files with 8 additions and 8 deletions
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16
Source/Core/AudioCommon/DPL2Decoder.cpp
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@ -84,11 +84,11 @@ static std::vector<float> Hamming(int n)
{
std::vector<float> w(n);
float k = float(2 * M_PI / ((float)(n - 1))); // 2*pi/(N-1)
float k = static_cast<float>(2.0 * M_PI / (n - 1));
// Calculate window coefficients
for (int i = 0; i < n; i++)
w[i] = float(0.54 - 0.46 * cos(k * (float)i));
w[i] = static_cast<float>(0.54 - 0.46 * cos(k * i));
return w;
}
@ -238,10 +238,10 @@ static void MatrixDecode(const float* in, const int k, const int il, const int i
/* Matrix */
l_agc = in[il] * PassiveLock(*_adapt_l_gain);
r_agc = in[ir] * PassiveLock(*_adapt_r_gain);
_cf[k] = (l_agc + r_agc) * (float)M_SQRT1_2;
_cf[k] = (l_agc + r_agc) * static_cast<float>(M_SQRT1_2);
if (decode_rear)
{
_lr[kr] = _rr[kr] = (l_agc - r_agc) * (float)M_SQRT1_2;
_lr[kr] = _rr[kr] = (l_agc - r_agc) * static_cast<float>(M_SQRT1_2);
// Stereo rear channel is steered with the same AGC steering as
// the decoding matrix. Note this requires a fast updating AGC
// at the order of 20 ms (which is the case here).
@ -250,8 +250,8 @@ static void MatrixDecode(const float* in, const int k, const int il, const int i
}
/*** AXIS NO. 2: (Lt + Rt, Lt - Rt) -> (L, R) ***/
lpr = (in[il] + in[ir]) * (float)M_SQRT1_2;
lmr = (in[il] - in[ir]) * (float)M_SQRT1_2;
lpr = (in[il] + in[ir]) * static_cast<float>(M_SQRT1_2);
lmr = (in[il] - in[ir]) * static_cast<float>(M_SQRT1_2);
/* AGC adaption */
d_gain = fabs(lmr_unlim_gain - *_adapt_lmr_gain);
f = d_gain * (1.0f / MATAGCTRIG);
@ -261,8 +261,8 @@ static void MatrixDecode(const float* in, const int k, const int il, const int i
/* Matrix */
lpr_agc = lpr * PassiveLock(*_adapt_lpr_gain);
lmr_agc = lmr * PassiveLock(*_adapt_lmr_gain);
_lf[k] = (lpr_agc + lmr_agc) * (float)M_SQRT1_2;
_rf[k] = (lpr_agc - lmr_agc) * (float)M_SQRT1_2;
_lf[k] = (lpr_agc + lmr_agc) * static_cast<float>(M_SQRT1_2);
_rf[k] = (lpr_agc - lmr_agc) * static_cast<float>(M_SQRT1_2);
/*** CENTER FRONT CANCELLATION ***/
// A heuristic approach exploits that Lt + Rt gain contains the