AudioCodecGetPropertyInfo

objc2_audio_toolbox

Function AudioCodecGetPropertyInfo 

Source 
pub unsafe extern "C-unwind" fn AudioCodecGetPropertyInfo(
    in_codec: AudioCodec,
    in_property_id: AudioCodecPropertyID,
    out_size: *mut u32,
    out_writable: *mut u8,
) -> i32
Available on crate features AudioCodec and AudioComponent only.
Expand description

Retrieve information about the given property. The outSize argument will return the size in bytes of the current value of the property. The outWritable argument will return whether or not the property in question can be changed.

Parameter inCodec: An AudioCodec instance

Parameter inPropertyID: Property ID whose value should be read

Parameter outSize: Size in bytes of the property

Parameter outWritable: Flag indicating wether the underlying property can be modified or not

Returns: The OSStatus value

ยงSafety

  • in_codec must be a valid pointer.
  • out_size must be a valid pointer or null.
  • out_writable must be a valid pointer or null.