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Make sure missing frames cannot be negative. Compute stop from symbol rate + threshold

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This commit is contained in:
Jordan Sherer 2019-11-01 20:14:00 -04:00
parent a24e4429ea
commit 7fff608c18
1 changed files with 2 additions and 2 deletions
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4
mainwindow.cpp
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@ -2461,7 +2461,7 @@ void MainWindow::fixStop()
int MainWindow::computeStop(int submode, int period){ int MainWindow::computeStop(int submode, int period){
int stop = 0; int stop = 0;
#if 1 #if 0
switch(submode){ switch(submode){
case Varicode::JS8CallNormal: stop = 50; break; // tx dur + 1.76s (74.5%) case Varicode::JS8CallNormal: stop = 50; break; // tx dur + 1.76s (74.5%)
case Varicode::JS8CallFast: stop = 30; break; // case Varicode::JS8CallFast: stop = 30; break; //
@ -4103,7 +4103,7 @@ void MainWindow::decode(int submode, int period)
int start = dec_data.params.kpos; int start = dec_data.params.kpos;
int stop = qMax(start + neededFrames, dec_data.params.kin); // copy more than needed if available int stop = qMax(start + neededFrames, dec_data.params.kin); // copy more than needed if available
int availableFrames = stop - start; int availableFrames = stop - start;
int missingFrames = neededFrames - availableFrames; int missingFrames = qMax(0, neededFrames - availableFrames);
qDebug() << "try decode from" << start << "to" << stop << "available" << availableFrames << "missing" << missingFrames; qDebug() << "try decode from" << start << "to" << stop << "available" << availableFrames << "missing" << missingFrames;