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Eliminate EG recording latency (because of connection loop)

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Jean Pierre Cimalando 2020-03-26 22:15:38 +01:00 • committed by Paul Fd
parent 5f6fa5ac1e
commit 8012532c51
1 changed files with 6 additions and 3 deletions
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9
devtools/CaptureEG.cpp
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@ -244,10 +244,11 @@ void Application::saveSoundFile(const QString& path, int format)
size_t size = _captureFill;
double sampleRate = jack_get_sample_rate(_client.get());
double scaleFactor = 1.0 / _ui->internalGainVal->value();
size_t captureLatency = jack_get_buffer_size(_client.get());
SndfileHandle snd(path.toUtf8().data(), SFM_WRITE, format|SF_FORMAT_PCM_16, 1, sampleRate);
for (size_t i = 0; i < size; ++i) {
for (size_t i = captureLatency; i < size; ++i) {
float sample = scaleFactor * data[i];
sample = std::max(-1.0f, std::min(+1.0f, sample));
snd.write(&sample, 1);
@ -269,9 +270,11 @@ void Application::savePlotData(const QString& path)
size_t size = _captureFill;
double sampleRate = jack_get_sample_rate(_client.get());
double scaleFactor = 1.0 / _ui->internalGainVal->value();
size_t captureLatency = jack_get_buffer_size(_client.get());
for (size_t i = 0; i < size; ++i)
stream << (i / sampleRate) << ' ' << (scaleFactor * data[i]) << '\n';
for (size_t i = captureLatency; i < size; ++i)
stream << ((i - captureLatency) / sampleRate)
<< ' ' << (scaleFactor * data[i]) << '\n';
}
void Application::performSfzUpdate()