1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, translate::*};
4use gst::prelude::*;
5use gst_base::prelude::*;
6
7use crate::{ffi, VideoFilter};
8
9mod sealed {
10 pub trait Sealed {}
11 impl<T: super::IsA<super::VideoFilter>> Sealed for T {}
12}
13
14pub trait VideoFilterExtManual: sealed::Sealed + IsA<VideoFilter> + 'static {
15 fn input_video_info(&self) -> Option<crate::VideoInfo> {
16 unsafe {
17 let ptr = self.as_ptr() as *mut ffi::GstVideoFilter;
18 let sinkpad = self.as_ref().sink_pad();
19 let _guard = sinkpad.stream_lock();
20
21 let info = &(*ptr).in_info;
22
23 if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
24 return None;
25 }
26
27 Some(from_glib_none(mut_override(
28 info as *const ffi::GstVideoInfo,
29 )))
30 }
31 }
32
33 fn output_video_info(&self) -> Option<crate::VideoInfo> {
34 unsafe {
35 let ptr = self.as_ptr() as *mut ffi::GstVideoFilter;
36 let sinkpad = self.as_ref().sink_pad();
37 let _guard = sinkpad.stream_lock();
38
39 let info = &(*ptr).out_info;
40
41 if info.finfo.is_null() || info.width <= 0 || info.height <= 0 {
42 return None;
43 }
44
45 Some(from_glib_none(mut_override(
46 info as *const ffi::GstVideoInfo,
47 )))
48 }
49 }
50}
51
52impl<O: IsA<VideoFilter>> VideoFilterExtManual for O {}
53