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tracer: Add support for the 1.20 "plugin-feature-loaded" hook

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This commit is contained in:
Sebastian Dröge 2022-06-29 10:13:59 +03:00
parent 9e77ab3212
commit c61d913ec6
1 changed files with 12 additions and 3 deletions
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15
gstreamer/src/subclass/tracer.rs
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@ -58,6 +58,9 @@ pub trait TracerImpl: TracerImplExt + GstObjectImpl + Send + Sync {
fn pad_query_pre(&self, ts: u64, pad: &Pad, query: &Query) {} fn pad_query_pre(&self, ts: u64, pad: &Pad, query: &Query) {}
fn pad_unlink_post(&self, ts: u64, src: &Pad, sink: &Pad, success: bool) {} fn pad_unlink_post(&self, ts: u64, src: &Pad, sink: &Pad, success: bool) {}
fn pad_unlink_pre(&self, ts: u64, src: &Pad, sink: &Pad) {} fn pad_unlink_pre(&self, ts: u64, src: &Pad, sink: &Pad) {}
#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
fn plugin_feature_loaded(&self, ts: u64, feature: &crate::PluginFeature) {}
} }
unsafe impl<T: TracerImpl> IsSubclassable<T> for Tracer {} unsafe impl<T: TracerImpl> IsSubclassable<T> for Tracer {}
@ -71,15 +74,15 @@ pub trait TracerImplExt: ObjectSubclass {
} }
macro_rules! define_tracer_hooks { macro_rules! define_tracer_hooks {
($($name: ident($quark: literal) = |$this: ident, $ts: ident, $($cb_arg: ident: $cb_arg_ty: ty),*| $impl: block;)*) => { ($($(#[$attr:meta])* $name: ident($quark: literal) = |$this: ident, $ts: ident, $($cb_arg: ident: $cb_arg_ty: ty),*| $impl: block;)*) => {
pub enum TracerHook { pub enum TracerHook {
$($name),* $($(#[$attr])* $name),*
} }
impl<T: TracerImpl> TracerImplExt for T { impl<T: TracerImpl> TracerImplExt for T {
fn register_hook(&self, hook: TracerHook) { fn register_hook(&self, hook: TracerHook) {
use TracerHook::*; use TracerHook::*;
let (hook_type, callback) = match hook { let (hook_type, callback) = match hook {
$($name => { $($(#[$attr])* $name => {
#[allow(non_snake_case)] #[allow(non_snake_case)]
unsafe extern "C" fn callback<T: TracerImpl>( unsafe extern "C" fn callback<T: TracerImpl>(
$this: *mut ffi::GstTracer, $this: *mut ffi::GstTracer,
@ -268,4 +271,10 @@ define_tracer_hooks! {
let sink = Pad::from_glib_borrow(sink); let sink = Pad::from_glib_borrow(sink);
this.pad_unlink_pre(ts, &src, &sink) this.pad_unlink_pre(ts, &src, &sink)
}; };
#[cfg(any(feature = "v1_20", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
PluginFeatureLoaded("plugin-feature-loaded") = |this, ts, feature: *mut ffi::GstPluginFeature| {
let feature = crate::PluginFeature::from_glib_borrow(feature);
this.plugin_feature_loaded(ts, &feature)
};
} }