---
title: "AudioFileComponentOpenURL(_:_:_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/audiofilecomponentopenurl(_:_:_:_:)"
---

# AudioFileComponentOpenURL(_:_:_:_:)

## Declaration

```swift
func AudioFileComponentOpenURL(_ inComponent: AudioFileComponent, _ inFileRef: CFURL, _ inPermissions: Int8, _ inFileDescriptor: Int32) -> OSStatus
```

## See Also

### Opening and Closing Audio Files

- [AudioFileComponentCreateURL(_:_:_:_:)](audiotoolbox/audiofilecomponentcreateurl(_:_:_:_:).md)
- [AudioFileComponentOpenWithCallbacks(_:_:_:_:_:_:)](audiotoolbox/audiofilecomponentopenwithcallbacks(_:_:_:_:_:_:).md)
- [AudioFileComponentCloseFile(_:)](audiotoolbox/audiofilecomponentclosefile(_:).md)
- [AudioFileComponentOptimize(_:)](audiotoolbox/audiofilecomponentoptimize(_:).md)
- [AudioFileComponent](audiotoolbox/audiofilecomponent.md)
- [AudioFileComponentPropertyID](audiotoolbox/audiofilecomponentpropertyid.md)
- [AudioFileComponentCreateURLProc](audiotoolbox/audiofilecomponentcreateurlproc.md)
- [AudioFileComponentOpenWithCallbacksProc](audiotoolbox/audiofilecomponentopenwithcallbacksproc.md)
- [AudioFileComponentOpenURLProc](audiotoolbox/audiofilecomponentopenurlproc.md)
- [AudioFileComponentCloseProc](audiotoolbox/audiofilecomponentcloseproc.md)
- [AudioFileComponentOptimizeProc](audiotoolbox/audiofilecomponentoptimizeproc.md)