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AlexandreRouma
2022-06-21 17:24:48 +02:00
parent 834890b69a
commit f7c566f652
17 changed files with 519 additions and 218 deletions
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26
core/src/dsp/demod/ssb.h
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@ -3,10 +3,12 @@
#include "../channel/frequency_xlator.h"
#include "../convert/complex_to_real.h"
#include "../loop/agc.h"
#include "../convert/mono_to_stereo.h"
namespace dsp::demod {
class SSB : public Processor<complex_t, float> {
using base_type = Processor<complex_t, float>;
template <class T>
class SSB : public Processor<complex_t, T> {
using base_type = Processor<complex_t, T>;
public:
enum Mode {
USB,
@ -26,7 +28,9 @@ namespace dsp::demod {
xlator.init(NULL, getTranslation(), _samplerate);
agc.init(NULL, 1.0, agcAttack, agcDecay, 10e6, 10.0);
agc.out.free();
if constexpr (std::is_same_v<T, float>) {
agc.out.free();
}
base_type::init(in);
}
@ -70,15 +74,19 @@ namespace dsp::demod {
agc.setDecay(decay);
}
int process(int count, const complex_t* in, float* out) {
int process(int count, const complex_t* in, T* out) {
// Move back sideband
xlator.process(count, in, xlator.out.writeBuf);
// Extract the real component
convert::ComplexToReal::process(count, xlator.out.writeBuf, out);
// Apply AGC
agc.process(count, out, out);
if constexpr (std::is_same_v<T, float>) {
convert::ComplexToReal::process(count, xlator.out.writeBuf, out);
agc.process(count, out, out);
}
if constexpr (std::is_same_v<T, stereo_t>) {
convert::ComplexToReal::process(count, xlator.out.writeBuf, agc.out.writeBuf);
agc.process(count, agc.out.writeBuf, agc.out.writeBuf);
convert::MonoToStereo::process(count, agc.out.writeBuf, out);
}
return count;
}