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MO FIFO: limit read count to FIFO size

pull/442/head
f4exb 2019-11-17 03:16:24 +01:00
rodzic 6533df15f5
commit 85444b0304
1 zmienionych plików z 4 dodań i 4 usunięć
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8
sdrbase/dsp/samplemofifo.cpp
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@ -83,7 +83,7 @@ void SampleMOFifo::readSync(
{
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)
{
@ -146,7 +146,7 @@ void SampleMOFifo::writeSync(
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
}
void SampleMOFifo::readAsync(
@ -158,7 +158,7 @@ void SampleMOFifo::readAsync(
{
QMutexLocker mutexLocker(&m_mutex);
unsigned int spaceLeft = m_size - m_vReadHead[stream];
m_vReadCount[stream] += amount;
m_vReadCount[stream] = m_vReadCount[stream] + amount < m_size ? m_vReadCount[stream] + amount : m_size; // cannot exceed FIFO size
if (amount <= spaceLeft)
{
@ -225,7 +225,7 @@ void SampleMOFifo::writeAsync( //!< in place write with given amount
m_vWriteHead[stream] = remaining;
}
m_vReadCount[stream] = amount < m_vReadCount[stream] ? m_vReadCount[stream] - amount : 0;
m_vReadCount[stream] = amount < m_vReadCount[stream] ? m_vReadCount[stream] - amount : 0; // cannot be less than 0
}
unsigned int SampleMOFifo::getSizePolicy(unsigned int sampleRate)