Class: CoreAudio::AudioStreamBasicDescription

Inherits:
FFI::Struct
  • Object
show all
Defined in:
lib/macos/core_audio/audio_stream.rb

CoreAudioTypes.h collapse

FormatFlagIsFloat = 
(1 << 0)
FormatFlagIsSignedInteger = 
(1 << 2)

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#channel_width ⇒ Integer

Returns the number of bits per channel.

Returns:

  • (Integer) —

    the number of bits per channel



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# File 'lib/macos/core_audio/audio_stream.rb', line 31

def channel_width=(bits)
    self[:mBitsPerChannel] = bits
    self[:mBytesPerFrame] = self[:mChannelsPerFrame] * bits / 8
    self[:mBytesPerPacket] = self[:mBytesPerFrame] * self[:mFramesPerPacket]
end

#channels ⇒ Object 



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# File 'lib/macos/core_audio/audio_stream.rb', line 20

def channels
    self[:mChannelsPerFrame]
end

#float? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/macos/core_audio/audio_stream.rb', line 39

def float?
    (self[:mFormatFlags] & FormatFlagIsFloat) != 0
end

#sample_rate ⇒ Object 



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# File 'lib/macos/core_audio/audio_stream.rb', line 50

def sample_rate;    self[:mSampleRate];	end

Instance Method Details

#integer ⇒ Object 



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# File 'lib/macos/core_audio/audio_stream.rb', line 43

def integer
    self[:mFormatFlags] &= ~FormatFlagIsFloat
    self[:mFormatFlags] |= FormatFlagIsSignedInteger
end