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DV Serial: implement FIFO slots

This commit is contained in:
f4exb 2016-10-11 22:52:45 +02:00
parent 13e832a20e
commit 18a8e7c903
3 changed files with 16 additions and 8 deletions
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2
sdrbase/dsp/dvserialengine.cpp
View File

@ -258,10 +258,12 @@ void DVSerialEngine::pushMbeFrame(const unsigned char *mbeFrame, int mbeRateInde
{
it->worker->pushMbeFrame(mbeFrame, mbeRateIndex, mbeVolumeIndex, channels, audioFifo);
done = true;
break;
}
else if (it->worker->isAvailable())
{
itAvail = it;
break;
}
++it;

12
sdrbase/dsp/dvserialworker.cpp
View File

@ -32,7 +32,7 @@ DVSerialWorker::DVSerialWorker() :
{
m_audioBuffer.resize(48000);
m_audioBufferFill = 0;
m_audioFifo = 0;
// m_audioFifo = 0;
}
DVSerialWorker::~DVSerialWorker()
@ -105,7 +105,7 @@ void DVSerialWorker::handleInputMessages()
}
}
m_timestamp = QDateTime::currentDateTime();
m_fifoSlots[0].m_timestamp = QDateTime::currentDateTime();
}
void DVSerialWorker::pushMbeFrame(const unsigned char *mbeFrame,
@ -113,22 +113,22 @@ void DVSerialWorker::pushMbeFrame(const unsigned char *mbeFrame,
int mbeVolumeIndex,
unsigned char channels, AudioFifo *audioFifo)
{
m_audioFifo = audioFifo;
m_fifoSlots[0].m_audioFifo = audioFifo;
m_inputMessageQueue.push(MsgMbeDecode::create(mbeFrame, mbeRateIndex, mbeVolumeIndex, channels, audioFifo));
}
bool DVSerialWorker::isAvailable()
{
if (m_audioFifo == 0) {
if (m_fifoSlots[0].m_audioFifo == 0) {
return true;
}
return m_timestamp.time().msecsTo(QDateTime::currentDateTime().time()) > 1000; // 1 second inactivity timeout
return m_fifoSlots[0].m_timestamp.time().msecsTo(QDateTime::currentDateTime().time()) > 1000; // 1 second inactivity timeout
}
bool DVSerialWorker::hasFifo(AudioFifo *audioFifo)
{
return m_audioFifo == audioFifo;
return m_fifoSlots[0].m_audioFifo == audioFifo;
}
void DVSerialWorker::upsample6(short *in, int nbSamplesIn, unsigned char channels, AudioFifo *audioFifo)

10
sdrbase/dsp/dvserialworker.h
View File

@ -105,8 +105,6 @@ public:
}
MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
AudioFifo *m_audioFifo;
QDateTime m_timestamp;
signals:
void finished();
@ -122,6 +120,13 @@ private:
typedef std::vector<AudioSample> AudioVector;
struct FifoSlot
{
FifoSlot() : m_audioFifo(0), m_timestamp(QDate(2000, 1, 1)) {}
AudioFifo *m_audioFifo;
QDateTime m_timestamp;
};
void upsample6(short *in, short *out, int nbSamplesIn);
void upsample6(short *in, int nbSamplesIn, unsigned char channels, AudioFifo *audioFifo);
@ -133,6 +138,7 @@ private:
//short m_audioSamples[SerialDV::MBE_AUDIO_BLOCK_SIZE * 6 * 2]; // upsample to 48k and duplicate channel
AudioVector m_audioBuffer;
uint m_audioBufferFill;
FifoSlot m_fifoSlots[2];
short m_upsamplerLastValue;
float m_phase;
MBEAudioInterpolatorFilter m_upsampleFilter;