juce::AndroidHighPerformanceAudioHelpers Namespace Reference

Some shared helpers methods for using the high-performance audio paths on Android devices (OpenSL and Oboe). More...

Functions
static int	buffersToQueueForBufferDuration (int nativeBufferSize, int bufferDurationInMs, double sampleRate) noexcept
static bool	canUseHighPerformanceAudioPath (int nativeBufferSize, int requestedBufferSize, int requestedSampleRate)
static Array< int >	getAvailableBufferSizes (int nativeBufferSize, Array< double > availableSampleRates)
static int	getDefaultBufferSize (int nativeBufferSize, double currentSampleRate)
static int	getMaximumBuffersToEnqueue (int nativeBufferSize, double maximumSampleRate) noexcept
static int	getMinimumBuffersToEnqueue (int nativeBufferSize, double requestedSampleRate)
static int	getNativeBufferSizeHint ()
static double	getNativeSampleRate ()
static bool	hasLowLatencyAudioPath ()
static bool	isProAudioDevice ()

Detailed Description

Some shared helpers methods for using the high-performance audio paths on Android devices (OpenSL and Oboe).

@tags{Audio}

Function Documentation

buffersToQueueForBufferDuration()

static int juce::AndroidHighPerformanceAudioHelpers::buffersToQueueForBufferDuration ( int  nativeBufferSize, int  bufferDurationInMs, double  sampleRate  )

staticnoexcept

References getMinimumBuffersToEnqueue(), and juce::jmax().

Referenced by getDefaultBufferSize(), and getMaximumBuffersToEnqueue().

canUseHighPerformanceAudioPath()

static bool juce::AndroidHighPerformanceAudioHelpers::canUseHighPerformanceAudioPath ( int  nativeBufferSize, int  requestedBufferSize, int  requestedSampleRate  )

static

References juce::approximatelyEqual(), getNativeSampleRate(), and isProAudioDevice().

Referenced by getMinimumBuffersToEnqueue().

getAvailableBufferSizes()

static Array< int > juce::AndroidHighPerformanceAudioHelpers::getAvailableBufferSizes ( int  nativeBufferSize, Array< double >  availableSampleRates  )

static

References juce::Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >::add(), juce::findMaximum(), getMaximumBuffersToEnqueue(), getMinimumBuffersToEnqueue(), getNativeSampleRate(), juce::Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >::getRawDataPointer(), and juce::Array< ElementType, TypeOfCriticalSectionToUse, minimumAllocatedSize >::size().

getDefaultBufferSize()

static int juce::AndroidHighPerformanceAudioHelpers::getDefaultBufferSize ( int  nativeBufferSize, double  currentSampleRate  )

static

References buffersToQueueForBufferDuration(), and hasLowLatencyAudioPath().

getMaximumBuffersToEnqueue()

static int juce::AndroidHighPerformanceAudioHelpers::getMaximumBuffersToEnqueue ( int  nativeBufferSize, double  maximumSampleRate  )

staticnoexcept

References buffersToQueueForBufferDuration(), and juce::jmax().

Referenced by getAvailableBufferSizes().

getMinimumBuffersToEnqueue()

static int juce::AndroidHighPerformanceAudioHelpers::getMinimumBuffersToEnqueue ( int  nativeBufferSize, double  requestedSampleRate  )

static

References canUseHighPerformanceAudioPath().

Referenced by buffersToQueueForBufferDuration(), and getAvailableBufferSizes().

getNativeBufferSizeHint()

static int juce::AndroidHighPerformanceAudioHelpers::getNativeBufferSizeHint ( )

static

References juce::audioManagerGetProperty(), and juce::String::getIntValue().

getNativeSampleRate()

static double juce::AndroidHighPerformanceAudioHelpers::getNativeSampleRate ( )

static

References juce::audioManagerGetProperty(), and juce::String::getDoubleValue().

Referenced by canUseHighPerformanceAudioPath(), and getAvailableBufferSizes().

hasLowLatencyAudioPath()

static bool juce::AndroidHighPerformanceAudioHelpers::hasLowLatencyAudioPath ( )

static

References juce::androidHasSystemFeature().

Referenced by getDefaultBufferSize().

isProAudioDevice()

static bool juce::AndroidHighPerformanceAudioHelpers::isProAudioDevice ( )

static

References juce::androidHasSystemFeature(), juce::String::containsIgnoreCase(), juce::SystemStats::getDeviceManufacturer(), and juce::DynamicLibrary::open().

Referenced by canUseHighPerformanceAudioPath().