comicsansg/CubicSDR
1
0
Fork 0
mirror of https://github.com/cjcliffe/CubicSDR.git synced 2026-06-02 06:04:39 -04:00
Code Issues Projects Releases Wiki Activity

Half-band transition and frequency change peak hold tweaks

Browse Source
This commit is contained in:
Charles J. Cliffe
2015-12-31 21:28:56 -05:00
parent fe264b9da1
commit 01c10efeff
3 changed files with 19 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/process/SpectrumVisualProcessor.cpp
+18 -15
View File
@@ -81,7 +81,7 @@ void SpectrumVisualProcessor::setPeakHold(bool peakHold_in) {
fft_ceil_peak = fft_floor_maa;
fft_floor_peak = fft_ceil_maa;
for (int i = 0, iMax = fftSizeInternal; i < iMax; i++) {
for (int i = 0, iMax = fft_result_peak.size(); i < iMax; i++) {
fft_result_peak[i] = fft_floor_maa;
}
peakHold.store(peakHold_in);
@@ -405,9 +405,9 @@ void SpectrumVisualProcessor::process() {
} else {
for (int i = 0, iMax = fftSizeInternal; i < iMax; i++) {
if (i < fftSizeInternal/4) {
fft_result_temp[i] = fft_result_ma[fftSizeInternal/4];
fft_result_temp[i] = 0; // fft_result_ma[fftSizeInternal/4];
} else if (i >= fftSizeInternal - fftSizeInternal/4) {
fft_result_temp[i] = fft_result_ma[fftSizeInternal - fftSizeInternal/4-1];
fft_result_temp[i] = 0; // fft_result_ma[fftSizeInternal - fftSizeInternal/4-1];
} else {
fft_result_temp[i] = fft_result_ma[(i-fftSizeInternal/4)*2];
}
@@ -416,9 +416,9 @@ void SpectrumVisualProcessor::process() {
fft_result_ma[i] = fft_result_temp[i];
if (i < fftSizeInternal/4) {
fft_result_temp[i] = fft_result_maa[fftSizeInternal/4];
fft_result_temp[i] = 0; //fft_result_maa[fftSizeInternal/4];
} else if (i >= fftSizeInternal - fftSizeInternal/4) {
fft_result_temp[i] = fft_result_maa[fftSizeInternal - fftSizeInternal/4-1];
fft_result_temp[i] = 0; // fft_result_maa[fftSizeInternal - fftSizeInternal/4-1];
} else {
fft_result_temp[i] = fft_result_maa[(i-fftSizeInternal/4)*2];
}
@@ -427,8 +427,10 @@ void SpectrumVisualProcessor::process() {
fft_result_maa[i] = fft_result_temp[i];
}
}
}
if (newResampler) {
for (int i = 0, iMax = fftSizeInternal; i < iMax; i++) {
fft_result_peak[i] = fft_result_maa[i];
fft_result_peak[i] = fft_floor_maa;
}
}
@@ -485,15 +487,16 @@ void SpectrumVisualProcessor::process() {
while (visualAccum >= 1.0) {
int idx = round(visualStart+i);
if (idx < 0) {
idx = 0;
}
if (idx > fftSizeInternal-1) {
idx = fftSizeInternal-1;
}
acc += fft_result_maa[idx];
if (doPeak) {
peak_acc += fft_result_peak[idx];
if (idx > 0 && idx < fftSizeInternal) {
acc += fft_result_maa[idx];
if (doPeak) {
peak_acc += fft_result_peak[idx];
}
} else {
acc += fft_floor_maa;
if (doPeak) {
peak_acc += fft_floor_maa;
}
}
accCount += 1.0;
visualAccum -= 1.0;