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take care of problem if input/output buffer sizes cannot be set to a common value, some cleanup

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This commit is contained in:
Volker Fischer 2010-03-13 11:04:29 +00:00
parent c4ae143efa
commit db636f9d96
2 changed files with 55 additions and 45 deletions
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18
mac/sound.cpp
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@ -247,6 +247,10 @@ int CSound::Init ( const int iNewPrefMonoBufferSize )
{ {
UInt32 iActualMonoBufferSize; UInt32 iActualMonoBufferSize;
// Error message string: in case buffer sizes on input and output cannot be set to the same value
const QString strErrBufSize = tr ( "The buffer sizes of the current "
"input and output audio device cannot be set to a common value. Please "
"choose other input/output audio devices in your system settings." );
// try to set input buffer size // try to set input buffer size
iActualMonoBufferSize = iActualMonoBufferSize =
@ -256,14 +260,20 @@ int CSound::Init ( const int iNewPrefMonoBufferSize )
{ {
// try to set the input buffer size to the output so that we // try to set the input buffer size to the output so that we
// have a matching pair // have a matching pair
// TODO check if setting was successful if ( SetBufferSize ( audioOutputDevice, false, iActualMonoBufferSize ) !=
SetBufferSize ( audioOutputDevice, false, iActualMonoBufferSize ); iActualMonoBufferSize )
{
throw CGenErr ( strErrBufSize );
}
} }
else else
{ {
// try to set output buffer size // try to set output buffer size
// TODO check if setting was successful if ( SetBufferSize ( audioOutputDevice, false, iNewPrefMonoBufferSize ) !=
SetBufferSize ( audioOutputDevice, false, iNewPrefMonoBufferSize ); static_cast<UInt32> ( iNewPrefMonoBufferSize ) )
{
throw CGenErr ( strErrBufSize );
}
} }
// store buffer size // store buffer size