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AM Modulator: audio input (mic) basic support

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This commit is contained in:
f4exb
2016-11-29 01:09:06 +01:00
parent 4c3db01409
commit c5f1acdcf1
20 changed files with 191 additions and 67 deletions
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plugins/channeltx/modam/ammod.cpp
+14 -4
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@@ -35,6 +35,7 @@ MESSAGE_CLASS_DEFINITION(AMMod::MsgReportFileSourceStreamTiming, Message)
AMMod::AMMod() :
m_audioFifo(4, 48000),
m_settingsMutex(QMutex::Recursive),
m_fileSize(0),
m_recordLength(0),
@@ -52,28 +53,31 @@ AMMod::AMMod() :
apply();
m_audioBuffer.resize(1<<14);
m_audioBufferFill = 0;
//m_audioBuffer.resize(1<<14);
//m_audioBufferFill = 0;
m_movingAverage.resize(16, 0);
m_volumeAGC.resize(4096, 0.003, 0);
m_magsq = 0.0;
m_toneNco.setFreq(1000.0, m_config.m_audioSampleRate);
DSPEngine::instance()->addAudioSource(&m_audioFifo);
}
AMMod::~AMMod()
{
DSPEngine::instance()->removeAudioSource(&m_audioFifo);
}
void AMMod::configure(MessageQueue* messageQueue,
Real rfBandwidth,
Real afBandwidth,
float modFactor,
int volumeTenths,
bool audioMute,
bool playLoop)
{
Message* cmd = MsgConfigureAMMod::create(rfBandwidth, afBandwidth, modFactor, audioMute, playLoop);
Message* cmd = MsgConfigureAMMod::create(rfBandwidth, afBandwidth, modFactor, volumeTenths, audioMute, playLoop);
messageQueue->push(cmd);
}
@@ -124,6 +128,8 @@ void AMMod::pull(Sample& sample)
void AMMod::pullAF(Real& sample)
{
int16_t audioSample[2];
switch (m_afInput)
{
case AMModInputTone:
@@ -158,7 +164,8 @@ void AMMod::pullAF(Real& sample)
}
break;
case AMModInputAudio:
sample = 0.0f; // TODO
m_audioFifo.read(reinterpret_cast<quint8*>(audioSample), 1, 10);
sample = ((audioSample[0] + audioSample[1]) * m_running.m_volumeFactor) / 6553600.0f;
break;
case AMModInputNone:
default:
@@ -205,6 +212,7 @@ bool AMMod::handleMessage(const Message& cmd)
m_config.m_rfBandwidth = cfg.getRFBandwidth();
m_config.m_afBandwidth = cfg.getAFBandwidth();
m_config.m_modFactor = cfg.getModFactor();
m_config.m_volumeFactor = cfg.getVolumeFactor();
m_config.m_audioMute = cfg.getAudioMute();
m_config.m_playLoop = cfg.getPlayLoop();
@@ -214,6 +222,7 @@ bool AMMod::handleMessage(const Message& cmd)
<< " m_rfBandwidth: " << m_config.m_rfBandwidth
<< " m_afBandwidth: " << m_config.m_afBandwidth
<< " m_modFactor: " << m_config.m_modFactor
<< " m_volumeFactor: " << m_config.m_volumeFactor
<< " m_audioMute: " << m_config.m_audioMute
<< " m_playLoop: " << m_config.m_playLoop;
@@ -298,6 +307,7 @@ void AMMod::apply()
m_running.m_rfBandwidth = m_config.m_rfBandwidth;
m_running.m_afBandwidth = m_config.m_afBandwidth;
m_running.m_modFactor = m_config.m_modFactor;
m_running.m_volumeFactor = m_config.m_volumeFactor;
m_running.m_audioSampleRate = m_config.m_audioSampleRate;
m_running.m_audioMute = m_config.m_audioMute;
m_running.m_playLoop = m_config.m_playLoop;