AudioFileGetGlobalInfoSize

objc2_audio_toolbox

Function AudioFileGetGlobalInfoSize 

Source 
pub unsafe extern "C-unwind" fn AudioFileGetGlobalInfoSize(
    in_property_id: AudioFilePropertyID,
    in_specifier_size: u32,
    in_specifier: *mut c_void,
    out_data_size: NonNull<u32>,
) -> i32
Available on crate feature AudioFile only.
Expand description

Get the size of a global property.

Parameter inPropertyID: an AudioFileGlobalInfo property constant.

Parameter inSpecifierSize: The size of the specifier data.

Parameter inSpecifier: A specifier is a buffer of data used as an input argument to some of the global info properties.

Parameter outDataSize: the size in bytes of the current value of the property. In order to get the property value, you will need a buffer of this size.

Returns: returns noErr if successful.

ยงSafety

  • in_specifier must be a valid pointer or null.
  • out_data_size must be a valid pointer.