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A few changes not using Maybe

This commit is contained in:
Paul Licameli 2016-02-18 12:43:02 -05:00
parent 62361c32f4
commit e3e10f1fc1
2 changed files with 24 additions and 32 deletions
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4
src/AudacityApp.cpp
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@ -317,7 +317,7 @@ void QuitAudacity(bool bForce)
AudacityProject::DeleteAllProjectsDeleteLock();
//remove our logger
delete wxLog::SetActiveTarget(NULL);
std::unique_ptr<wxLog>{ wxLog::SetActiveTarget(NULL) }; // DELETE
if (bForce)
{
@ -1147,7 +1147,7 @@ bool AudacityApp::OnInit()
// Ensure we have an event loop during initialization
wxEventLoopGuarantor eventLoop;
delete wxLog::SetActiveTarget(new AudacityLogger);
std::unique_ptr < wxLog > { wxLog::SetActiveTarget(new AudacityLogger) }; // DELETE
mLocale = NULL;

52
src/AudioIO.cpp
View File

@ -1343,72 +1343,67 @@ bool AudioIO::StartPortAudioStream(double sampleRate,
mNumPlaybackChannels = numPlaybackChannels;
mNumCaptureChannels = numCaptureChannels;
PaStreamParameters *playbackParameters = NULL;
PaStreamParameters *captureParameters = NULL;
bool usePlayback = false, useCapture = false;
PaStreamParameters playbackParameters{};
PaStreamParameters captureParameters{};
double latencyDuration = DEFAULT_LATENCY_DURATION;
gPrefs->Read(wxT("/AudioIO/LatencyDuration"), &latencyDuration);
if( numPlaybackChannels > 0)
{
playbackParameters = new PaStreamParameters;
usePlayback = true;
// this sets the device index to whatever is "right" based on preferences,
// then defaults
playbackParameters->device = getPlayDevIndex();
playbackParameters.device = getPlayDevIndex();
const PaDeviceInfo *playbackDeviceInfo;
playbackDeviceInfo = Pa_GetDeviceInfo( playbackParameters->device );
playbackDeviceInfo = Pa_GetDeviceInfo( playbackParameters.device );
if( playbackDeviceInfo == NULL )
{
delete playbackParameters;
return false;
}
// regardless of source formats, we always mix to float
playbackParameters->sampleFormat = paFloat32;
playbackParameters->hostApiSpecificStreamInfo = NULL;
playbackParameters->channelCount = mNumPlaybackChannels;
playbackParameters.sampleFormat = paFloat32;
playbackParameters.hostApiSpecificStreamInfo = NULL;
playbackParameters.channelCount = mNumPlaybackChannels;
if (mSoftwarePlaythrough)
playbackParameters->suggestedLatency =
playbackParameters.suggestedLatency =
playbackDeviceInfo->defaultLowOutputLatency;
else
playbackParameters->suggestedLatency = latencyDuration/1000.0;
playbackParameters.suggestedLatency = latencyDuration/1000.0;
mOutputMeter = mOwningProject->GetPlaybackMeter();
}
if( numCaptureChannels > 0)
{
useCapture = true;
mCaptureFormat = captureFormat;
captureParameters = new PaStreamParameters;
const PaDeviceInfo *captureDeviceInfo;
// retrieve the index of the device set in the prefs, or a sensible
// default if it isn't set/valid
captureParameters->device = getRecordDevIndex();
captureParameters.device = getRecordDevIndex();
captureDeviceInfo = Pa_GetDeviceInfo( captureParameters->device );
captureDeviceInfo = Pa_GetDeviceInfo( captureParameters.device );
if( captureDeviceInfo == NULL )
{
delete captureParameters;
delete playbackParameters;
return false;
}
captureParameters->sampleFormat =
captureParameters.sampleFormat =
AudacityToPortAudioSampleFormat(mCaptureFormat);
captureParameters->hostApiSpecificStreamInfo = NULL;
captureParameters->channelCount = mNumCaptureChannels;
captureParameters.hostApiSpecificStreamInfo = NULL;
captureParameters.channelCount = mNumCaptureChannels;
if (mSoftwarePlaythrough)
captureParameters->suggestedLatency =
captureParameters.suggestedLatency =
captureDeviceInfo->defaultHighInputLatency;
else
captureParameters->suggestedLatency = latencyDuration/1000.0;
captureParameters.suggestedLatency = latencyDuration/1000.0;
mInputMeter = mOwningProject->GetCaptureMeter();
}
@ -1429,7 +1424,8 @@ bool AudioIO::StartPortAudioStream(double sampleRate,
#endif
#endif
mLastPaError = Pa_OpenStream( &mPortStreamV19,
captureParameters, playbackParameters,
useCapture ? &captureParameters : NULL,
usePlayback ? &playbackParameters : NULL,
mRate, paFramesPerBufferUnspecified,
paNoFlag,
audacityAudioCallback, NULL );
@ -1457,10 +1453,6 @@ bool AudioIO::StartPortAudioStream(double sampleRate,
}
#endif
// these may be null, but deleting a null pointer should never crash.
delete captureParameters;
delete playbackParameters;
return (mLastPaError == paNoError);
}