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Sample source FIFO: limit read count to FIFO size

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This commit is contained in:
f4exb 2019-11-17 03:16:10 +01:00
parent 55d43c2e03
commit 6533df15f5
1 changed files with 2 additions and 2 deletions
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4
sdrbase/dsp/samplesourcefifo.cpp
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@ -62,7 +62,7 @@ void SampleSourceFifo::read(
{
QMutexLocker mutexLocker(&m_mutex);
unsigned int spaceLeft = m_size - m_readHead;
m_readCount += amount;
m_readCount = m_readCount + amount < m_size ? m_readCount + amount : m_size; // cannot exceed FIFO size
if (amount <= spaceLeft)
{
@ -125,7 +125,7 @@ void SampleSourceFifo::write(
m_writeHead = remaining;
}
m_readCount = amount < m_readCount ? m_readCount - amount : 0;
m_readCount = amount < m_readCount ? m_readCount - amount : 0; // cannot be less than 0
}
unsigned int SampleSourceFifo::getSizePolicy(unsigned int sampleRate)