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AM Modulator: handle record file play loop

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This commit is contained in:
f4exb
2016-11-28 18:19:23 +01:00
parent 3f3a58772b
commit cb2e99f540
3 changed files with 58 additions and 24 deletions
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plugins/channeltx/modam/ammod.cpp
+42 -15
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@@ -35,7 +35,11 @@ MESSAGE_CLASS_DEFINITION(AMMod::MsgReportFileSourceStreamTiming, Message)
AMMod::AMMod() :
m_settingsMutex(QMutex::Recursive)
m_settingsMutex(QMutex::Recursive),
m_fileSize(0),
m_recordLength(0),
m_sampleRate(48000),
m_afInput(AMModInputNone)
{
setObjectName("AMMod");
@@ -56,17 +60,20 @@ AMMod::AMMod() :
m_magsq = 0.0;
m_toneNco.setFreq(1000.0, m_config.m_audioSampleRate);
m_afInput = AMModInputNone;
}
AMMod::~AMMod()
{
}
void AMMod::configure(MessageQueue* messageQueue, Real rfBandwidth, Real afBandwidth, float modFactor, bool audioMute)
void AMMod::configure(MessageQueue* messageQueue,
Real rfBandwidth,
Real afBandwidth,
float modFactor,
bool audioMute,
bool playLoop)
{
Message* cmd = MsgConfigureAMMod::create(rfBandwidth, afBandwidth, modFactor, audioMute);
Message* cmd = MsgConfigureAMMod::create(rfBandwidth, afBandwidth, modFactor, audioMute, playLoop);
messageQueue->push(cmd);
}
@@ -127,13 +134,23 @@ void AMMod::pullAF(Real& sample)
// ffplay -f f32le -ar 48k -ac 1 f4exb_call.raw
if (m_ifstream.is_open())
{
if (m_ifstream.eof()) // TODO: handle loop playback situation
if (m_ifstream.eof())
{
m_ifstream.clear();
m_ifstream.seekg(0, std::ios::beg);
if (m_running.m_playLoop)
{
m_ifstream.clear();
m_ifstream.seekg(0, std::ios::beg);
}
}
m_ifstream.read(reinterpret_cast<char*>(&sample), sizeof(Real));
if (m_ifstream.eof())
{
sample = 0.0f;
}
else
{
m_ifstream.read(reinterpret_cast<char*>(&sample), sizeof(Real));
}
}
else
{
@@ -189,6 +206,7 @@ bool AMMod::handleMessage(const Message& cmd)
m_config.m_afBandwidth = cfg.getAFBandwidth();
m_config.m_modFactor = cfg.getModFactor();
m_config.m_audioMute = cfg.getAudioMute();
m_config.m_playLoop = cfg.getPlayLoop();
apply();
@@ -196,7 +214,8 @@ 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_audioMute: " << m_config.m_audioMute;
<< " m_audioMute: " << m_config.m_audioMute
<< " m_playLoop: " << m_config.m_playLoop;
return true;
}
@@ -224,8 +243,15 @@ bool AMMod::handleMessage(const Message& cmd)
}
else if (MsgConfigureFileSourceStreamTiming::match(cmd))
{
std::size_t samplesCount = m_ifstream.tellg() / sizeof(Real);
MsgReportFileSourceStreamTiming *report;
std::size_t samplesCount;
if (m_ifstream.eof()) {
samplesCount = m_fileSize / sizeof(Real);
} else {
samplesCount = m_ifstream.tellg() / sizeof(Real);
}
MsgReportFileSourceStreamTiming *report;
report = MsgReportFileSourceStreamTiming::create(samplesCount);
getOutputMessageQueue()->push(report);
@@ -274,6 +300,7 @@ void AMMod::apply()
m_running.m_modFactor = m_config.m_modFactor;
m_running.m_audioSampleRate = m_config.m_audioSampleRate;
m_running.m_audioMute = m_config.m_audioMute;
m_running.m_playLoop = m_config.m_playLoop;
}
void AMMod::openFileStream()
@@ -283,14 +310,14 @@ void AMMod::openFileStream()
}
m_ifstream.open(m_fileName.toStdString().c_str(), std::ios::binary | std::ios::ate);
quint64 fileSize = m_ifstream.tellg();
m_fileSize = m_ifstream.tellg();
m_ifstream.seekg(0,std::ios_base::beg);
m_sampleRate = 48000; // fixed rate
m_recordLength = fileSize / (sizeof(Real) * m_sampleRate);
m_recordLength = m_fileSize / (sizeof(Real) * m_sampleRate);
qDebug() << "AMMod::openFileStream: " << m_fileName.toStdString().c_str()
<< " fileSize: " << fileSize << "bytes"
<< " fileSize: " << m_fileSize << "bytes"
<< " length: " << m_recordLength << " seconds";
MsgReportFileSourceStreamData *report;