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New DSP code

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Ryzerth
2020-07-09 16:02:58 +02:00
parent b78c2cf415
commit 30f1b423a6
9 changed files with 399 additions and 133 deletions
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15
src/dsp/filter.h
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@@ -31,8 +31,8 @@ namespace dsp {
}
DecimatingFIRFilter(stream<complex_t>* input, std::vector<float> taps, int blockSize, float decim) : output(blockSize * 2) {
output.init(blockSize * 2);
DecimatingFIRFilter(stream<complex_t>* input, std::vector<float> taps, int blockSize, float decim) {
output.init((blockSize * 2) / decim);
_in = input;
_blockSize = blockSize;
_tapCount = taps.size();
@@ -54,7 +54,7 @@ namespace dsp {
}
void init(stream<complex_t>* input, std::vector<float>& taps, int blockSize, float decim) {
output.init(blockSize * 2);
output.init((blockSize * 2) / decim);
_in = input;
_blockSize = blockSize;
_tapCount = taps.size();
@@ -107,6 +107,8 @@ namespace dsp {
delayBuf = new complex_t[_tapCount];
for (int i = 0; i < _tapCount; i++) {
_taps[i] = taps[i];
delayBuf[i].i = 0;
delayBuf[i].q = 0;
}
}
@@ -201,8 +203,8 @@ namespace dsp {
}
FloatDecimatingFIRFilter(stream<float>* input, std::vector<float> taps, int blockSize, float decim) : output(blockSize * 2) {
output.init(blockSize * 2);
FloatDecimatingFIRFilter(stream<float>* input, std::vector<float> taps, int blockSize, float decim) {
output.init((blockSize * 2) / decim);
_in = input;
_blockSize = blockSize;
_tapCount = taps.size();
@@ -223,7 +225,7 @@ namespace dsp {
}
void init(stream<float>* input, std::vector<float>& taps, int blockSize, float decim) {
output.init(blockSize * 2);
output.init((blockSize * 2) / decim);
_in = input;
_blockSize = blockSize;
_tapCount = taps.size();
@@ -274,6 +276,7 @@ namespace dsp {
delayBuf = new float[_tapCount];
for (int i = 0; i < _tapCount; i++) {
_taps[i] = taps[i];
delayBuf[i] = 0;
}
}