gstreamer_gl/
functions.rs

1use std::ptr;
2
3use glib::{object::IsA, translate::*};
4
5pub use crate::auto::functions::*;
6use crate::{ffi, GLContext, GLDisplay};
7
8#[doc(alias = "gst_gl_handle_context_query")]
9pub fn gl_handle_context_query(
10    element: &impl IsA<gst::Element>,
11    query: &mut gst::query::Context,
12    display: Option<&impl IsA<GLDisplay>>,
13    context: Option<&impl IsA<GLContext>>,
14    other_context: Option<&impl IsA<GLContext>>,
15) -> bool {
16    skip_assert_initialized!();
17    unsafe {
18        from_glib(ffi::gst_gl_handle_context_query(
19            element.as_ref().to_glib_none().0,
20            query.as_mut_ptr(),
21            display.map(|p| p.as_ref()).to_glib_none().0,
22            context.map(|p| p.as_ref()).to_glib_none().0,
23            other_context.map(|p| p.as_ref()).to_glib_none().0,
24        ))
25    }
26}
27
28#[doc(alias = "gst_gl_handle_set_context")]
29pub fn gl_handle_set_context(
30    element: &impl IsA<gst::Element>,
31    context: &gst::Context,
32) -> (Option<GLDisplay>, Option<GLContext>) {
33    skip_assert_initialized!();
34    unsafe {
35        let mut display = ptr::null_mut();
36        let mut other_context = ptr::null_mut();
37        let ret = from_glib(ffi::gst_gl_handle_set_context(
38            element.as_ref().to_glib_none().0,
39            context.to_glib_none().0,
40            &mut display,
41            &mut other_context,
42        ));
43        if ret {
44            (from_glib_full(display), from_glib_full(other_context))
45        } else {
46            (None, None)
47        }
48    }
49}
50
51#[cfg(feature = "v1_24")]
52#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
53#[doc(alias = "gst_gl_swizzle_invert")]
54pub fn gl_swizzle_invert(swizzle: [i32; 4]) -> [i32; 4] {
55    unsafe {
56        use std::mem;
57
58        let mut inversion = mem::MaybeUninit::uninit();
59        ffi::gst_gl_swizzle_invert(
60            mut_override(swizzle.as_ptr() as *const _),
61            inversion.as_mut_ptr(),
62        );
63        inversion.assume_init()
64    }
65}
66
67#[cfg(feature = "v1_24")]
68#[cfg_attr(docsrs, doc(cfg(feature = "v1_24")))]
69#[doc(alias = "gst_gl_video_format_swizzle")]
70pub fn gl_video_format_swizzle(video_format: gst_video::VideoFormat) -> Option<[i32; 4]> {
71    unsafe {
72        use std::mem;
73
74        let mut swizzle = mem::MaybeUninit::uninit();
75        let res = from_glib(ffi::gst_gl_video_format_swizzle(
76            video_format.into_glib(),
77            swizzle.as_mut_ptr(),
78        ));
79        if res {
80            Some(swizzle.assume_init())
81        } else {
82            None
83        }
84    }
85}
gstreamer_gl/functions.rs

gstreamer_gl/
functions.rs
