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This commit is contained in:
Ryzerth
2020-07-19 15:59:44 +02:00
parent 370324bc68
commit cbf0b6290d
28 changed files with 9162 additions and 393 deletions
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14
src/io/audio.h
View File

@ -39,7 +39,7 @@ namespace io {
outputParams.hostApiSpecificStreamInfo = NULL;
outputParams.device = Pa_GetDefaultOutputDevice();
outputParams.suggestedLatency = Pa_GetDeviceInfo(outputParams.device)->defaultLowOutputLatency;
PaError err = Pa_OpenStream(&stream, NULL, &outputParams, 40000.0f, 320, paClipOff, _callback, this);
PaError err = Pa_OpenStream(&stream, NULL, &outputParams, 48000.0f, 64, paClipOff, _callback, this);
printf("%s\n", Pa_GetErrorText(err));
err = Pa_StartStream(stream);
printf("%s\n", Pa_GetErrorText(err));
@ -49,6 +49,12 @@ namespace io {
Pa_CloseStream(stream);
}
void setBlockSize(int blockSize) {
stop();
_bufferSize = blockSize;
start();
}
private:
static int _callback(const void *input,
void *output,
@ -58,10 +64,16 @@ namespace io {
AudioSink* _this = (AudioSink*)userData;
float* outbuf = (float*)output;
_this->_input->read(_this->buffer, frameCount);
float vol = powf(_this->_volume, 2);
for (int i = 0; i < frameCount; i++) {
outbuf[(i * 2) + 0] = _this->buffer[i] * vol;
outbuf[(i * 2) + 1] = _this->buffer[i] * vol;
}
return 0;
}

13
src/io/soapy.h
View File

@ -66,6 +66,7 @@ namespace io {
if (running) {
return;
}
_sampleRate = sampleRate;
dev->setSampleRate(SOAPY_SDR_RX, 0, sampleRate);
}
@ -86,12 +87,17 @@ namespace io {
private:
static void _worker(SoapyWrapper* _this) {
dsp::complex_t* buf = new dsp::complex_t[32000];
int blockSize = _this->_sampleRate / 200.0f;
dsp::complex_t* buf = new dsp::complex_t[blockSize];
int flags = 0;
long long timeMs = 0;
while (_this->running) {
_this->dev->readStream(_this->_stream, (void**)&buf, 32000, flags, timeMs);
_this->output.write(buf, 32000);
int res = _this->dev->readStream(_this->_stream, (void**)&buf, blockSize, flags, timeMs);
if (res < 1) {
continue;
}
_this->output.write(buf, res);
}
printf("Read worker terminated\n");
delete[] buf;
@ -102,5 +108,6 @@ namespace io {
SoapySDR::Stream* _stream;
std::thread _workerThread;
bool running = false;
float _sampleRate = 0;
};
};