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Re-usable ScopePanel to replace ScopeContext Plot

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This commit is contained in:
Charles J. Cliffe
2015-08-09 12:51:01 -04:00
parent aa6e612d6a
commit db8e7a68d0
11 changed files with 152 additions and 122 deletions
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src/process/ScopeVisualProcessor.cpp
+17 -2
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@@ -23,12 +23,27 @@ void ScopeVisualProcessor::process() {
if (renderData->waveform_points.size() != iMax * 2) {
renderData->waveform_points.resize(iMax * 2);
}
float peak = 1.0f;
for (int i = 0; i < iMax; i++) {
renderData->waveform_points[i * 2 + 1] = audioInputData->data[i] * 0.5f;
renderData->waveform_points[i * 2] = ((double) i / (double) iMax);
float p = fabs(audioInputData->data[i]);
if (p > peak) {
peak = p;
}
}
if (audioInputData->channels == 2) {
for (int i = 0; i < iMax; i++) {
renderData->waveform_points[i * 2] = (((double) (i % (iMax/2)) / (double) iMax) * 2.0 - 0.5) * 2.0;
renderData->waveform_points[i * 2 + 1] = audioInputData->data[i] / peak;
}
} else {
for (int i = 0; i < iMax; i++) {
renderData->waveform_points[i * 2] = (((double) i / (double) iMax) - 0.5) * 2.0;
renderData->waveform_points[i * 2 + 1] = audioInputData->data[i] / peak;
}
}
distribute(renderData);
}
}