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new dsp

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This commit is contained in:
Ryzerth
2020-11-02 03:57:44 +01:00
parent 50a73a380d
commit 75f8a45119
33 changed files with 1712 additions and 3339 deletions
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29
recorder/src/main.cpp
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@ -104,8 +104,7 @@ private:
_this->samplesWritten = 0;
_this->sampleRate = sigpath::signalPath.getSampleRate();
_this->writer = new WavWriter(ROOT_DIR "/recordings/" + genFileName("baseband_"), 16, 2, _this->sampleRate);
_this->iqStream = new dsp::stream<dsp::complex_t>();
_this->iqStream->init(_this->sampleRate / 200.0);
_this->iqStream = new dsp::stream<dsp::complex_t>;
sigpath::signalPath.bindIQStream(_this->iqStream);
_this->workerThread = std::thread(_iqWriteWorker, _this);
_this->recording = true;
@ -176,20 +175,18 @@ private:
}
static void _audioWriteWorker(RecorderModule* _this) {
dsp::StereoFloat_t* floatBuf = new dsp::StereoFloat_t[1024];
int16_t* sampleBuf = new int16_t[2048];
int16_t* sampleBuf = new int16_t[STREAM_BUFFER_SIZE * 2];
while (true) {
if (_this->audioStream->read(floatBuf, 1024) < 0) {
break;
}
int count = _this->audioStream->read();
if (count < 0) { break; }
for (int i = 0; i < 1024; i++) {
sampleBuf[(i * 2) + 0] = floatBuf[i].l * 0x7FFF;
sampleBuf[(i * 2) + 1] = floatBuf[i].r * 0x7FFF;
sampleBuf[(i * 2) + 0] = _this->audioStream->data[i].l * 0x7FFF;
sampleBuf[(i * 2) + 1] = _this->audioStream->data[i].r * 0x7FFF;
}
_this->audioStream->flush();
_this->samplesWritten += 1024;
_this->writer->writeSamples(sampleBuf, 2048 * sizeof(int16_t));
}
delete[] floatBuf;
delete[] sampleBuf;
}
@ -197,13 +194,13 @@ private:
dsp::complex_t* iqBuf = new dsp::complex_t[1024];
int16_t* sampleBuf = new int16_t[2048];
while (true) {
if (_this->iqStream->read(iqBuf, 1024) < 0) {
break;
}
int count = _this->iqStream->read();
if (count < 0) { break; }
for (int i = 0; i < 1024; i++) {
sampleBuf[(i * 2) + 0] = iqBuf[i].q * 0x7FFF;
sampleBuf[(i * 2) + 1] = iqBuf[i].i * 0x7FFF;
sampleBuf[(i * 2) + 0] = _this->iqStream->data[i].q * 0x7FFF;
sampleBuf[(i * 2) + 1] = _this->iqStream->data[i].i * 0x7FFF;
}
_this->iqStream->flush();
_this->samplesWritten += 1024;
_this->writer->writeSamples(sampleBuf, 2048 * sizeof(int16_t));
}
@ -212,7 +209,7 @@ private:
}
std::string name;
dsp::stream<dsp::StereoFloat_t>* audioStream;
dsp::stream<dsp::stereo_t>* audioStream;
dsp::stream<dsp::complex_t>* iqStream;
WavWriter* writer;
std::thread workerThread;