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AM modulator: pull a number of input audio samples depending on total interpolation. Fixes issue #43

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This commit is contained in:
f4exb 2017-08-06 17:23:27 +02:00
parent f6bc9daf8e
commit fdfa4351ad
3 changed files with 7 additions and 3 deletions
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6
plugins/channeltx/modam/ammod.cpp
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@ -141,7 +141,7 @@ void AMMod::pull(Sample& sample)
void AMMod::pullAudio(int nbSamples)
{
// qDebug("AMMod::pullAudio: %d", nbSamples);
unsigned int nbAudioSamples = nbSamples * m_interpolatorDistance;
unsigned int nbAudioSamples = nbSamples * ((Real) m_config.m_audioSampleRate / (Real) m_config.m_basebandSampleRate);
if (nbAudioSamples > m_audioBuffer.size())
{
@ -268,13 +268,15 @@ bool AMMod::handleMessage(const Message& cmd)
{
UpChannelizer::MsgChannelizerNotification& notif = (UpChannelizer::MsgChannelizerNotification&) cmd;
m_config.m_basebandSampleRate = notif.getBasebandSampleRate();
m_config.m_outputSampleRate = notif.getSampleRate();
m_config.m_inputFrequencyOffset = notif.getFrequencyOffset();
apply();
qDebug() << "AMMod::handleMessage: MsgChannelizerNotification:"
<< " m_outputSampleRate: " << m_config.m_outputSampleRate
<< " m_basebandSampleRate: " << m_config.m_basebandSampleRate
<< " m_outputSampleRate: " << m_config.m_outputSampleRate
<< " m_inputFrequencyOffset: " << m_config.m_inputFrequencyOffset;
return true;

2
plugins/channeltx/modam/ammod.h
View File

@ -255,6 +255,7 @@ private:
};
struct Config {
int m_basebandSampleRate;
int m_outputSampleRate;
qint64 m_inputFrequencyOffset;
Real m_rfBandwidth;
@ -266,6 +267,7 @@ private:
bool m_playLoop;
Config() :
m_basebandSampleRate(0),
m_outputSampleRate(-1),
m_inputFrequencyOffset(0),
m_rfBandwidth(-1),

2
plugins/channeltx/modam/ammodplugin.cpp
View File

@ -23,7 +23,7 @@
const PluginDescriptor AMModPlugin::m_pluginDescriptor = {
QString("AM Modulator"),
QString("3.5.0"),
QString("3.5.4"),
QString("(c) Edouard Griffiths, F4EXB"),
QString("https://github.com/f4exb/sdrangel"),
true,