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Fixes #546, when MTU > nb samples per-frame, overflow management was wrong.

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This commit is contained in:
vsonnier 2017-05-23 11:06:17 +02:00
parent 5797548739
commit 8776908340
1 changed files with 3 additions and 2 deletions
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5
src/sdr/SoapySDRThread.cpp
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@ -222,14 +222,15 @@ void SDRThread::readStream(SDRThreadIQDataQueue* iqDataOutQueue) {
::memcpy(&dataOut->data[0], &overflowBuffer.data[0], n_overflow * sizeof(liquid_float_complex));
n_read = n_overflow;
numOverflow = std::min(0, numOverflow - n_overflow);
//is still > 0 if MTU > nElements (low sample rate w.r.t the MTU !)
numOverflow -= n_overflow;
// std::cout << "SDRThread::readStream() 1.1 overflowBuffer not empty, collect the remaining " << n_overflow << " samples in it..." << std::endl;
if (numOverflow > 0) { // still some left, shift the remaining samples to the begining..
::memmove(&overflowBuffer.data[0], &overflowBuffer.data[n_overflow], numOverflow * sizeof(liquid_float_complex));
std::cout << "SDRThread::readStream() 1.2 overflowBuffer still not empty, compact the remaining " << numOverflow << " samples in it..." << std::endl;
// std::cout << "SDRThread::readStream() 1.2 overflowBuffer still not empty, compact the remaining " << numOverflow << " samples in it..." << std::endl;
}
} //end if numOverflow > 0