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possible fix for a crash for some external audio interfaces

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This commit is contained in:
Volker Fischer 2015-07-04 08:47:46 +00:00
parent 066d8abfaa
commit 423cec2ff2
1 changed files with 14 additions and 8 deletions
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22
mac/sound.cpp
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@ -243,16 +243,22 @@ void CSound::GetAudioDeviceInfos ( const AudioDeviceID DeviceID,
&iPropertySize,
&sPropertyStringValue );
// convert CFString in c-string (quick hack!) and then in QString
char* sC_strPropValue =
(char*) malloc ( CFStringGetLength ( sPropertyStringValue ) + 1 );
// first check if the string is not empty
strDeviceName = "UNKNOWN"; // init value in case no name is available
CFStringGetCString ( sPropertyStringValue,
sC_strPropValue,
CFStringGetLength ( sPropertyStringValue ) + 1,
kCFStringEncodingISOLatin1 );
if ( CFStringGetLength ( sPropertyStringValue ) > 0 )
{
// convert CFString in c-string (quick hack!) and then in QString
char* sC_strPropValue =
(char*) malloc ( CFStringGetLength ( sPropertyStringValue ) + 1 );
strDeviceName = sC_strPropValue;
CFStringGetCString ( sPropertyStringValue,
sC_strPropValue,
CFStringGetLength ( sPropertyStringValue ) + 1,
kCFStringEncodingISOLatin1 );
strDeviceName = sC_strPropValue;
}
// check if device is input or output or both (is that possible?)
// we do this by trying to set the current device for the audio unit