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Attempt to fix blinking capture LED issue

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This commit is contained in:
Georgi Gerganov
2018-05-05 13:15:05 +03:00
parent f8b6e0407e
commit b85e8cfab2
1 changed files with 5 additions and 5 deletions
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10
main.cpp
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@@ -317,7 +317,6 @@ struct DataRxTx {
int nBytesRecorded = SDL_DequeueAudio(devid_in, sampleAmplitude.data(), samplesPerFrame*sampleSizeBytes); int nBytesRecorded = SDL_DequeueAudio(devid_in, sampleAmplitude.data(), samplesPerFrame*sampleSizeBytes);
if (nBytesRecorded != 0) { if (nBytesRecorded != 0) {
{ {
float fsum = 0.0f;
sampleAmplitudeHistory[historyId] = sampleAmplitude; sampleAmplitudeHistory[historyId] = sampleAmplitude;
if (++historyId >= ::kMaxSpectrumHistory) { if (++historyId >= ::kMaxSpectrumHistory) {
@@ -341,15 +340,16 @@ struct DataRxTx {
fftwf_execute(fftPlan); fftwf_execute(fftPlan);
double fsum = 0.0;
for (int i = 0; i < samplesPerFrame; ++i) { for (int i = 0; i < samplesPerFrame; ++i) {
sampleSpectrum[i] = (fftOut[i][0]*fftOut[i][0] + fftOut[i][1]*fftOut[i][1]); sampleSpectrum[i] = (fftOut[i][0]*fftOut[i][0] + fftOut[i][1]*fftOut[i][1]);
fsum += sampleSpectrum[i];
} }
for (int i = 1; i < samplesPerFrame/2; ++i) { for (int i = 1; i < samplesPerFrame/2; ++i) {
sampleSpectrum[i] += sampleSpectrum[samplesPerFrame - i]; sampleSpectrum[i] += sampleSpectrum[samplesPerFrame - i];
fsum += sampleSpectrum[i];
} }
if (fsum == 0.0f) { if (fsum < 1e-10) {
g_totalBytesCaptured = 0; g_totalBytesCaptured = 0;
} else { } else {
g_totalBytesCaptured += nBytesRecorded; g_totalBytesCaptured += nBytesRecorded;
@@ -732,7 +732,7 @@ extern "C" {
int getFramesToAnalyze() { return g_data->framesToAnalyze; } int getFramesToAnalyze() { return g_data->framesToAnalyze; }
int getFramesLeftToAnalyze() { return g_data->framesLeftToAnalyze; } int getFramesLeftToAnalyze() { return g_data->framesLeftToAnalyze; }
int hasDeviceOutput() { return devid_out; } int hasDeviceOutput() { return devid_out; }
int hasDeviceCapture() { return (g_totalBytesCaptured > 32*1024) ? devid_in : 0; } int hasDeviceCapture() { return (g_totalBytesCaptured > 0) ? devid_in : 0; }
int doInit() { return init(); } int doInit() { return init(); }
void setParameters( void setParameters(
@@ -772,7 +772,7 @@ void update() {
static auto tLastNoData = std::chrono::high_resolution_clock::now(); static auto tLastNoData = std::chrono::high_resolution_clock::now();
auto tNow = std::chrono::high_resolution_clock::now(); auto tNow = std::chrono::high_resolution_clock::now();
if (SDL_GetQueuedAudioSize(devid_out) == 0) { if ((int) SDL_GetQueuedAudioSize(devid_out) < g_data->samplesPerFrame*g_data->sampleSizeBytes) {
SDL_PauseAudioDevice(devid_in, SDL_FALSE); SDL_PauseAudioDevice(devid_in, SDL_FALSE);
if (::getTime_ms(tLastNoData, tNow) > 500.0f) { if (::getTime_ms(tLastNoData, tNow) > 500.0f) {
g_data->receive(); g_data->receive();