Class: CoreAudio::AudioStream

Inherits:
AudioObject show all
Defined in:
lib/macos/core_audio/audio_stream.rb

Constant Summary collapse

PropertyIsActive = 
'sact',
PropertyDirection                   = 'sdir',
PropertyTerminalType                = 'term',
PropertyStartingChannel             = 'schn',
PropertyLatency                     = CoreAudio::AudioDevice::PropertyLatency,
PropertyVirtualFormat               = 'sfmt',
PropertyAvailableVirtualFormats     = 'sfma',
PropertyPhysicalFormat              = 'pft ',
PropertyAvailablePhysicalFormats    = 'pfta'

Constants inherited from AudioObject

CoreAudio::AudioObject::ObjectID, CoreAudio::AudioObject::PropertyBaseClass, CoreAudio::AudioObject::PropertyClass, CoreAudio::AudioObject::PropertyElement, CoreAudio::AudioObject::PropertyElementCategoryName, CoreAudio::AudioObject::PropertyElementMaster, CoreAudio::AudioObject::PropertyElementName, CoreAudio::AudioObject::PropertyElementNumberName, CoreAudio::AudioObject::PropertyFirmwareVersion, CoreAudio::AudioObject::PropertyIdentify, CoreAudio::AudioObject::PropertyManufacturer, CoreAudio::AudioObject::PropertyModelName, CoreAudio::AudioObject::PropertyName, CoreAudio::AudioObject::PropertyOwnedObjects, CoreAudio::AudioObject::PropertyOwner, CoreAudio::AudioObject::PropertyScope, CoreAudio::AudioObject::PropertyScopeGlobal, CoreAudio::AudioObject::PropertyScopeInput, CoreAudio::AudioObject::PropertyScopeOutput, CoreAudio::AudioObject::PropertyScopePlayThrough, CoreAudio::AudioObject::PropertySelector, CoreAudio::AudioObject::PropertySerialNumber, CoreAudio::AudioObject::SystemObject

Instance Attribute Summary

Attributes inherited from AudioObject

#id

Instance Method Summary collapse

Methods inherited from AudioObject

#device_name, #device_uid, #external?, #get_property, #initialize, #internal?, #model_uid, #set_property, system, #transport_type

Constructor Details

This class inherits a constructor from CoreAudio::AudioObject

Instance Method Details

#virtual_format ⇒ Object 



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# File 'lib/macos/core_audio/audio_stream.rb', line 77

def virtual_format
    address = PropertyAddress.global_master(PropertyVirtualFormat)
    buffer = get_property(address)
    AudioStreamBasicDescription.new(buffer)
end

#virtual_formats ⇒ Object 



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# File 'lib/macos/core_audio/audio_stream.rb', line 83

def virtual_formats
    address = PropertyAddress.global_master(PropertyAvailableVirtualFormats)
    buffer = get_property(address)
    count = buffer.size/AudioStreamRangedDescription.size
    output = []
    count.times do |i|
	output << AudioStreamRangedDescription.new(buffer)
	buffer += AudioStreamRangedDescription.size
    end
    output
end