gstreamer-rs/gstreamer-gl/src/gl_sync_meta.rs

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use std::fmt;
use glib;
use glib::translate::*;
use gst;
use gst::prelude::*;
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use gst_gl_sys;
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use GLContext;
#[repr(C)]
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pub struct GLSyncMeta(gst_gl_sys::GstGLSyncMeta);
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unsafe impl Send for GLSyncMeta {}
unsafe impl Sync for GLSyncMeta {}
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impl GLSyncMeta {
pub fn add<'a, C: IsA<GLContext>>(
buffer: &'a mut gst::BufferRef,
context: &C,
) -> gst::MetaRefMut<'a, Self, gst::meta::Standalone> {
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skip_assert_initialized!();
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unsafe {
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let meta = gst_gl_sys::gst_buffer_add_gl_sync_meta(
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context.as_ref().to_glib_none().0,
buffer.as_mut_ptr(),
);
Self::from_mut_ptr(buffer, meta)
}
}
pub fn get_context(&self) -> GLContext {
unsafe { from_glib_none(self.0.context) }
}
pub fn set_sync_point<C: IsA<GLContext>>(&self, context: &C) {
unsafe {
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gst_gl_sys::gst_gl_sync_meta_set_sync_point(
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&self.0 as *const _ as *mut _,
context.as_ref().to_glib_none().0,
);
}
}
pub fn wait<C: IsA<GLContext>>(&self, context: &C) {
unsafe {
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gst_gl_sys::gst_gl_sync_meta_wait(
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&self.0 as *const _ as *mut _,
context.as_ref().to_glib_none().0,
);
}
}
pub fn wait_cpu<C: IsA<GLContext>>(&self, context: &C) {
unsafe {
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gst_gl_sys::gst_gl_sync_meta_wait_cpu(
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&self.0 as *const _ as *mut _,
context.as_ref().to_glib_none().0,
);
}
}
}
unsafe impl MetaAPI for GLSyncMeta {
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type GstType = gst_gl_sys::GstGLSyncMeta;
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fn get_meta_api() -> glib::Type {
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unsafe { from_glib(gst_gl_sys::gst_gl_sync_meta_api_get_type()) }
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}
}
impl fmt::Debug for GLSyncMeta {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("GLSyncMeta")
.field("context", &self.get_context())
.finish()
}
}