Make sure missing frames cannot be negative. Compute stop from symbol rate + threshold
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@ -2461,7 +2461,7 @@ void MainWindow::fixStop()
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int MainWindow::computeStop(int submode, int period){
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int stop = 0;
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#if 1
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#if 0
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switch(submode){
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case Varicode::JS8CallNormal: stop = 50; break; // tx dur + 1.76s (74.5%)
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case Varicode::JS8CallFast: stop = 30; break; //
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@ -4103,7 +4103,7 @@ void MainWindow::decode(int submode, int period)
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int start = dec_data.params.kpos;
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int stop = qMax(start + neededFrames, dec_data.params.kin); // copy more than needed if available
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int availableFrames = stop - start;
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int missingFrames = neededFrames - availableFrames;
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int missingFrames = qMax(0, neededFrames - availableFrames);
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qDebug() << "try decode from" << start << "to" << stop << "available" << availableFrames << "missing" << missingFrames;
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