Reverted Sinc interpolation back to the Lanczos window.
--- a/README.txt
+++ b/README.txt
@@ -41,6 +41,7 @@
for the original implementation).
- Corrected clamping issue which caused some clipping-like
effects.
+v1.8.1 - 2014-06-17 - Reverted Sinc interpolation back to the Lanczos window.
This is a Winamp plugin to play NCSF files. NCSF is a PSF-style music format that
uses SDAT files from Nintendo DS ROMs as it's "program".
--- a/src/in_ncsf/SSEQPlayer/Channel.cpp
+++ b/src/in_ncsf/SSEQPlayer/Channel.cpp
@@ -1,7 +1,7 @@
/*
* SSEQ Player - Channel structures
* By Naram Qashat (CyberBotX) [cyberbotx@cyberbotx.com]
- * Last modification on 2013-05-07
+ * Last modification on 2014-06-17
*
* Adapted from source code of FeOS Sound System
* By fincs
@@ -66,7 +66,7 @@
this->cosine_lut[i] = (1.0 - std::cos((static_cast<double>(i) / COSINE_RESOLUTION) * M_PI)) * 0.5;
double dx = static_cast<double>(SINC_WIDTH) / SINC_SAMPLES, x = 0.0;
for (unsigned i = 0; i <= SINC_SAMPLES; ++i, x += dx)
- this->sinc_lut[i] = std::abs(x) < SINC_WIDTH ? sinc(x) * (0.5 * (1.0 + std::cos((M_PI * x) / SINC_WIDTH))) : 0.0;
+ this->sinc_lut[i] = std::abs(x) < SINC_WIDTH ? sinc(x) * sinc(x / SINC_WIDTH) : 0.0;
this->initializedLUTs = true;
}
}
--- a/src/in_ncsf/XSFConfig_NCSF.cpp
+++ b/src/in_ncsf/XSFConfig_NCSF.cpp
@@ -1,7 +1,7 @@
/*
* xSF - NCSF configuration
* By Naram Qashat (CyberBotX) [cyberbotx@cyberbotx.com]
- * Last modification on 2013-05-07
+ * Last modification on 2014-06-17
*
* Partially based on the vio*sf framework
*/
@@ -42,7 +42,7 @@
unsigned XSFConfig::initSampleRate = 44100;
std::wstring XSFConfig::commonName = L"NCSF Decoder";
-std::wstring XSFConfig::versionNumber = L"1.8";
+std::wstring XSFConfig::versionNumber = L"1.8.1";
unsigned XSFConfig_NCSF::initInterpolation = 5;
std::wstring XSFConfig_NCSF::initMutes = L"0000000000000000";
@@ -101,7 +101,7 @@
SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(L"4-point, 3rd-order B-spline"));
SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(L"6-point, 5th-order Osculating"));
SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(L"6-point, 5th-order B-spline"));
- SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(L"Sinc (Hann Window)"));
+ SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_ADDSTRING, 0, reinterpret_cast<LPARAM>(L"Sinc (Lanczos Window)"));
SendMessageW(GetDlgItem(hwndDlg, idInterpolation), CB_SETCURSEL, this->interpolation, 0);
// Mutes
for (int x = 0, numMutes = this->mutes.size(); x < numMutes; ++x)