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use bufferMaxSize for defaultHighLatency in asio impl

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This commit is contained in:
rossb 2011-11-10 13:37:05 +00:00
commit 4b1aa56f00
1 changed files with 3 additions and 9 deletions
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12
src/hostapi/asio/pa_asio.cpp
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@ -1214,7 +1214,7 @@ PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex
if( foundDefaultSampleRate ){ if( foundDefaultSampleRate ){
/* calculate default latency values from bufferPreferredSize /* calculate default latency values from bufferPreferredSize
for default low latency, and bufferPreferredSize * 3 for default low latency, and bufferMaxSize
for default high latency. for default high latency.
use the default sample rate to convert from samples to use the default sample rate to convert from samples to
seconds. Without knowing what sample rate the user will seconds. Without knowing what sample rate the user will
@ -1227,17 +1227,11 @@ PaError PaAsio_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex
deviceInfo->defaultLowInputLatency = defaultLowLatency; deviceInfo->defaultLowInputLatency = defaultLowLatency;
deviceInfo->defaultLowOutputLatency = defaultLowLatency; deviceInfo->defaultLowOutputLatency = defaultLowLatency;
long defaultHighLatencyBufferSize =
paAsioDriverInfo.bufferPreferredSize * 3;
if( defaultHighLatencyBufferSize > paAsioDriverInfo.bufferMaxSize )
defaultHighLatencyBufferSize = paAsioDriverInfo.bufferMaxSize;
double defaultHighLatency = double defaultHighLatency =
defaultHighLatencyBufferSize / deviceInfo->defaultSampleRate; paAsioDriverInfo.bufferMaxSize / deviceInfo->defaultSampleRate;
if( defaultHighLatency < defaultLowLatency ) if( defaultHighLatency < defaultLowLatency )
defaultHighLatency = defaultLowLatency; /* just incase the driver returns something strange */ defaultHighLatency = defaultLowLatency; /* just in case the driver returns something strange */
deviceInfo->defaultHighInputLatency = defaultHighLatency; deviceInfo->defaultHighInputLatency = defaultHighLatency;
deviceInfo->defaultHighOutputLatency = defaultHighLatency; deviceInfo->defaultHighOutputLatency = defaultHighLatency;