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threadshare: Pad{Src,Sink}::unprepare: release all functions

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This commit is contained in:
François Laignel 2020-03-14 18:22:34 +01:00 committed by Sebastian Dröge
parent e729324cce
commit 4c584fd162
1 changed files with 41 additions and 29 deletions
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70
gst-plugin-threadshare/src/runtime/pad.rs
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@ -491,21 +491,8 @@ pub struct PadSrc(PadSrcStrong);
impl PadSrc {
pub fn new(gst_pad: gst::Pad) -> Self {
let pad = gst_pad.clone();
let this = PadSrc(PadSrcStrong::new(gst_pad));
let this_weak = this.downgrade();
pad.set_activatemode_function(move |gst_pad, _parent, mode, active| {
// Important: don't panic here as we operate without `catch_panic_pad_function`
// because we may not know which element the PadSrc is associated to yet
this_weak
.upgrade()
.ok_or_else(|| {
gst_error!(RUNTIME_CAT, obj: gst_pad, "PadSrc no longer exists");
gst_loggable_error!(RUNTIME_CAT, "PadSrc no longer exists")
})?
.activate_mode_hook(mode, active)
});
this.set_default_activatemode_function();
this
}
@ -530,6 +517,22 @@ impl PadSrc {
self.gst_pad().check_reconfigure()
}
fn set_default_activatemode_function(&self) {
let this_weak = self.downgrade();
self.gst_pad()
.set_activatemode_function(move |gst_pad, _parent, mode, active| {
// Important: don't panic here as we operate without `catch_panic_pad_function`
// because we may not know which element the PadSrc is associated to yet
this_weak
.upgrade()
.ok_or_else(|| {
gst_error!(RUNTIME_CAT, obj: gst_pad, "PadSrc no longer exists");
gst_loggable_error!(RUNTIME_CAT, "PadSrc no longer exists")
})?
.activate_mode_hook(mode, active)
});
}
///// Spawns `future` using current [`PadContext`].
/////
///// # Panics
@ -675,9 +678,10 @@ impl PadSrc {
.map_err(|_| PadContextError::ActiveTask)?;
self.gst_pad()
.set_activatemode_function(move |_gst_pad, _parent, _mode, _active| {
.set_activate_function(move |_gst_pad, _parent| {
Err(gst_loggable_error!(RUNTIME_CAT, "PadSrc unprepared"))
});
self.set_default_activatemode_function();
self.gst_pad()
.set_event_function(move |_gst_pad, _parent, _event| false);
self.gst_pad()
@ -1013,21 +1017,8 @@ pub struct PadSink(PadSinkStrong);
impl PadSink {
pub fn new(gst_pad: gst::Pad) -> Self {
let pad = gst_pad.clone();
let this = PadSink(PadSinkStrong::new(gst_pad));
let this_weak = this.downgrade();
pad.set_activatemode_function(move |gst_pad, _parent, mode, active| {
// Important: don't panic here as we operate without `catch_panic_pad_function`
// because we may not know which element the PadSrc is associated to yet
this_weak
.upgrade()
.ok_or_else(|| {
gst_error!(RUNTIME_CAT, obj: gst_pad, "PadSink no longer exists");
gst_loggable_error!(RUNTIME_CAT, "PadSink no longer exists")
})?
.activate_mode_hook(mode, active)
});
this.set_default_activatemode_function();
this
}
@ -1044,6 +1035,22 @@ impl PadSink {
self.0.downgrade()
}
fn set_default_activatemode_function(&self) {
let this_weak = self.downgrade();
self.gst_pad()
.set_activatemode_function(move |gst_pad, _parent, mode, active| {
// Important: don't panic here as we operate without `catch_panic_pad_function`
// because we may not know which element the PadSrc is associated to yet
this_weak
.upgrade()
.ok_or_else(|| {
gst_error!(RUNTIME_CAT, obj: gst_pad, "PadSink no longer exists");
gst_loggable_error!(RUNTIME_CAT, "PadSink no longer exists")
})?
.activate_mode_hook(mode, active)
});
}
fn init_pad_functions<H: PadSinkHandler>(&self, handler: &H) {
let handler_clone = handler.clone();
let this_weak = self.downgrade();
@ -1234,6 +1241,11 @@ impl PadSink {
pub fn unprepare(&self) {
gst_log!(RUNTIME_CAT, obj: self.gst_pad(), "Unpreparing");
self.gst_pad()
.set_activate_function(move |_gst_pad, _parent| {
Err(gst_loggable_error!(RUNTIME_CAT, "PadSink unprepared"))
});
self.set_default_activatemode_function();
self.gst_pad()
.set_chain_function(move |_gst_pad, _parent, _buffer| Err(FlowError::Flushing));
self.gst_pad()