objc2_avf_audio/generated/
AVMIDIPlayer.rs

1//! This file has been automatically generated by `objc2`'s `header-translator`.
2//! DO NOT EDIT
3use core::ffi::*;
4use core::ptr::NonNull;
5use objc2::__framework_prelude::*;
6use objc2_foundation::*;
7
8use crate::*;
9
10/// Generic callback block.
11///
12/// See also [Apple's documentation](https://developer.apple.com/documentation/avfaudio/avmidiplayercompletionhandler?language=objc)
13#[cfg(feature = "block2")]
14pub type AVMIDIPlayerCompletionHandler = *mut block2::DynBlock<dyn Fn()>;
15
16extern_class!(
17    /// A player for music file formats (MIDI, iMelody).
18    ///
19    /// See also [Apple's documentation](https://developer.apple.com/documentation/avfaudio/avmidiplayer?language=objc)
20    #[unsafe(super(NSObject))]
21    #[derive(Debug, PartialEq, Eq, Hash)]
22    pub struct AVMIDIPlayer;
23);
24
25extern_conformance!(
26    unsafe impl NSObjectProtocol for AVMIDIPlayer {}
27);
28
29impl AVMIDIPlayer {
30    extern_methods!(
31        /// Create a player with the contents of the file specified by the URL.
32        ///
33        /// 'bankURL' should contain the path to a SoundFont2 or DLS bank to be used
34        /// by the MIDI synthesizer.  For OSX it can be set to nil for the default,
35        /// but for iOS it must always refer to a valid bank file.
36        #[unsafe(method(initWithContentsOfURL:soundBankURL:error:_))]
37        #[unsafe(method_family = init)]
38        pub unsafe fn initWithContentsOfURL_soundBankURL_error(
39            this: Allocated<Self>,
40            in_url: &NSURL,
41            bank_url: Option<&NSURL>,
42        ) -> Result<Retained<Self>, Retained<NSError>>;
43
44        /// Create a player with the contents of the data object
45        ///
46        /// 'bankURL' should contain the path to a SoundFont2 or DLS bank to be used
47        /// by the MIDI synthesizer.  For OSX it can be set to nil for the default,
48        /// but for iOS it must always refer to a valid bank file.
49        #[unsafe(method(initWithData:soundBankURL:error:_))]
50        #[unsafe(method_family = init)]
51        pub unsafe fn initWithData_soundBankURL_error(
52            this: Allocated<Self>,
53            data: &NSData,
54            bank_url: Option<&NSURL>,
55        ) -> Result<Retained<Self>, Retained<NSError>>;
56
57        /// Get ready to play the sequence by prerolling all events
58        ///
59        /// Happens automatically on play if it has not already been called, but may produce a delay in startup.
60        #[unsafe(method(prepareToPlay))]
61        #[unsafe(method_family = none)]
62        pub unsafe fn prepareToPlay(&self);
63
64        #[cfg(feature = "block2")]
65        /// Play the sequence.
66        ///
67        /// # Safety
68        ///
69        /// `completion_handler` must be a valid pointer or null.
70        #[unsafe(method(play:))]
71        #[unsafe(method_family = none)]
72        pub unsafe fn play(&self, completion_handler: AVMIDIPlayerCompletionHandler);
73
74        /// Stop playing the sequence.
75        #[unsafe(method(stop))]
76        #[unsafe(method_family = none)]
77        pub unsafe fn stop(&self);
78
79        /// The length of the currently loaded file in seconds.
80        #[unsafe(method(duration))]
81        #[unsafe(method_family = none)]
82        pub unsafe fn duration(&self) -> NSTimeInterval;
83
84        /// Indicates whether or not the player is playing
85        #[unsafe(method(isPlaying))]
86        #[unsafe(method_family = none)]
87        pub unsafe fn isPlaying(&self) -> bool;
88
89        /// The playback rate of the player
90        ///
91        /// 1.0 is normal playback rate.  Rate must be > 0.0.
92        #[unsafe(method(rate))]
93        #[unsafe(method_family = none)]
94        pub unsafe fn rate(&self) -> c_float;
95
96        /// Setter for [`rate`][Self::rate].
97        #[unsafe(method(setRate:))]
98        #[unsafe(method_family = none)]
99        pub unsafe fn setRate(&self, rate: c_float);
100
101        /// The current playback position in seconds
102        ///
103        /// Setting this positions the player to the specified time.  No range checking on the time value is done.
104        /// This can be set while the player is playing, in which case playback will resume at the new time.
105        #[unsafe(method(currentPosition))]
106        #[unsafe(method_family = none)]
107        pub unsafe fn currentPosition(&self) -> NSTimeInterval;
108
109        /// Setter for [`currentPosition`][Self::currentPosition].
110        #[unsafe(method(setCurrentPosition:))]
111        #[unsafe(method_family = none)]
112        pub unsafe fn setCurrentPosition(&self, current_position: NSTimeInterval);
113    );
114}
115
116/// Methods declared on superclass `NSObject`.
117impl AVMIDIPlayer {
118    extern_methods!(
119        #[unsafe(method(init))]
120        #[unsafe(method_family = init)]
121        pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>;
122
123        #[unsafe(method(new))]
124        #[unsafe(method_family = new)]
125        pub unsafe fn new() -> Retained<Self>;
126    );
127}