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This commit is contained in:
John Greb
2014-11-06 21:03:17 +00:00
parent 86f256dbc4
commit a476f8a6f0
10 changed files with 53 additions and 89 deletions
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plugins/samplesource/v4l/v4linput.cpp
+12 -11
View File
@@ -19,7 +19,6 @@
#include <errno.h>
#include "v4linput.h"
#include "v4lthread.h"
#include "v4lsource.h"
#include "v4lgui.h"
#include "util/simpleserializer.h"
@@ -28,21 +27,21 @@ MESSAGE_CLASS_DEFINITION(V4LInput::MsgReportV4L, Message)
V4LInput::Settings::Settings() :
m_gain(0),
m_decimation(0)
m_samplerate(2500000)
{
}
void V4LInput::Settings::resetToDefaults()
{
m_gain = 0;
m_decimation = 0;
m_samplerate = 2500000;
}
QByteArray V4LInput::Settings::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_gain);
s.writeS32(2, m_decimation);
s.writeS32(2, m_samplerate);
return s.final();
}
@@ -57,7 +56,7 @@ bool V4LInput::Settings::deserialize(const QByteArray& data)
if(d.getVersion() == 1) {
d.readS32(1, &m_gain, 0);
d.readS32(2, &m_decimation, 0);
d.readS32(2, &m_samplerate, 0);
return true;
} else {
resetToDefaults();
@@ -187,7 +186,9 @@ const QString& V4LInput::getDeviceDescription() const
int V4LInput::getSampleRate() const
{
return 96000 * (1 << m_settings.m_decimation);
int result = m_settings.m_samplerate / 4;
if (result > 200000) result /= 4;
return result;
}
quint64 V4LInput::getCenterFrequency() const
@@ -215,18 +216,18 @@ bool V4LInput::applySettings(const GeneralSettings& generalSettings, const Setti
if((m_generalSettings.m_centerFrequency != generalSettings.m_centerFrequency) || force) {
m_generalSettings.m_centerFrequency = generalSettings.m_centerFrequency;
if(m_dev > 0)
V4LInput::set_center_freq( (double)(m_generalSettings.m_centerFrequency
+ 384000) ); // samplerate/4
V4LInput::set_center_freq( (double)(generalSettings.m_centerFrequency
+ (settings.m_samplerate / 4) ));
}
if((m_settings.m_gain != settings.m_gain) || force) {
m_settings.m_gain = settings.m_gain;
if(m_dev > 0)
V4LInput::set_tuner_gain((double)m_settings.m_gain);
}
if((m_settings.m_decimation != settings.m_decimation) || force) {
m_settings.m_decimation = settings.m_decimation;
if((m_settings.m_samplerate != settings.m_samplerate) || force) {
m_settings.m_samplerate = settings.m_samplerate;
if(m_dev > 0)
m_V4LThread->setDecimation(m_settings.m_decimation);
m_V4LThread->setSamplerate((double)settings.m_samplerate);
}
return true;
}