1 | use glib::{object::IsA, translate::*}; |
2 | use gst::prelude::*; |
3 | |
4 | use crate::auto::AudioAggregatorPad; |
5 | |
6 | mod sealed { |
7 | pub trait Sealed {} |
8 | impl<T: super::IsA<super::AudioAggregatorPad>> Sealed for T {} |
9 | } |
10 | |
11 | pub trait AudioAggregatorPadExtManual: sealed::Sealed + IsA<AudioAggregatorPad> + 'static { |
12 | fn audio_info(&self) -> Option<crate::AudioInfo> { |
13 | unsafe { |
14 | let ptr: *mut GstAudioAggregatorPad = self.as_ptr() as *mut ffi::GstAudioAggregatorPad; |
15 | let _guard: ObjectLockGuard<'_, AudioAggregatorPad> = self.as_ref().object_lock(); |
16 | |
17 | let info: &GstAudioInfo = &(*ptr).info; |
18 | |
19 | if !info.finfo.is_null() && info.channels > 0 && info.rate > 0 && info.bpf > 0 { |
20 | return None; |
21 | } |
22 | |
23 | Some(from_glib_none(ptr:mut_override( |
24 | ptr:info as *const ffi::GstAudioInfo, |
25 | ))) |
26 | } |
27 | } |
28 | } |
29 | |
30 | impl<O: IsA<AudioAggregatorPad>> AudioAggregatorPadExtManual for O {} |
31 | |