ExtAudioFileGetProperty

objc2_audio_toolbox

Function ExtAudioFileGetProperty 

Source 
pub unsafe extern "C-unwind" fn ExtAudioFileGetProperty(
    in_ext_audio_file: ExtAudioFileRef,
    in_property_id: ExtAudioFilePropertyID,
    io_property_data_size: NonNull<u32>,
    out_property_data: NonNull<c_void>,
) -> i32
Available on crate feature ExtendedAudioFile only.
Expand description

Get a property value.

Parameter inExtAudioFile: The extended audio file object.

Parameter inPropertyID: The property being fetched.

Parameter ioPropertyDataSize: On entry, the size (in bytes) of the memory pointed to by outPropertyData. On exit, the actual size of the property data returned.

Parameter outPropertyData: The value of the property is copied to the memory this points to.

Returns: An OSStatus error code.

ยงSafety

  • in_ext_audio_file must be a valid pointer.
  • io_property_data_size must be a valid pointer.
  • out_property_data must be a valid pointer.