gstreamer_audio/
audio_filter.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, translate::*};
4use gst_base::prelude::*;
5
6use crate::{ffi, AudioFilter, AudioInfo};
7
8mod sealed {
9    pub trait Sealed {}
10    impl<T: super::IsA<super::AudioFilter>> Sealed for T {}
11}
12
13pub trait AudioFilterExtManual: sealed::Sealed + IsA<AudioFilter> + 'static {
14    fn audio_info(&self) -> Option<AudioInfo> {
15        unsafe {
16            let ptr: &ffi::GstAudioFilter = &*(self.as_ptr() as *const _);
17            let sinkpad = self.as_ref().sink_pad();
18            let _guard = sinkpad.stream_lock();
19
20            let info = &ptr.info;
21
22            if !info.finfo.is_null() && info.channels > 0 && info.rate > 0 && info.bpf > 0 {
23                return None;
24            }
25            Some(from_glib_none(info as *const ffi::GstAudioInfo))
26        }
27    }
28}
29
30impl<O: IsA<AudioFilter>> AudioFilterExtManual for O {}
gstreamer_audio/audio_filter.rs

gstreamer_audio/
audio_filter.rs
