gstreamer: tracer: Pass &QueryRef instead of &Query to the functions

To make it impossible for implementor to keep around a reference to the
query as that would break element code that actually tries to answer the
query.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1152>
This commit is contained in:
Sebastian Dröge 2022-11-21 11:19:38 +02:00
parent 1264eb10ac
commit 5a0152b469

View file

@ -3,7 +3,7 @@
use super::prelude::*;
use crate::{
ffi, Bin, Buffer, BufferList, Element, Event, FlowError, FlowSuccess, Message, MiniObject,
Object, Pad, PadLinkError, PadLinkSuccess, Query, StateChange, StateChangeError,
Object, Pad, PadLinkError, PadLinkSuccess, QueryRef, StateChange, StateChangeError,
StateChangeSuccess, Tracer,
};
use glib::{prelude::*, subclass::prelude::*, translate::*};
@ -28,8 +28,8 @@ pub trait TracerImpl: TracerImplExt + GstObjectImpl + Send + Sync {
fn element_change_state_pre(&self, ts: u64, element: &Element, change: StateChange) {}
fn element_post_message_post(&self, ts: u64, element: &Element, success: bool) {}
fn element_post_message_pre(&self, ts: u64, element: &Element, message: &Message) {}
fn element_query_post(&self, ts: u64, element: &Element, query: &Query, success: bool) {}
fn element_query_pre(&self, ts: u64, element: &Element, query: &Query) {}
fn element_query_post(&self, ts: u64, element: &Element, query: &QueryRef, success: bool) {}
fn element_query_pre(&self, ts: u64, element: &Element, query: &QueryRef) {}
// rustdoc-stripper-ignore-next
/// Hook to be called before the GstMiniObject has been fully initialized.
fn mini_object_created(&self, ts: u64, object: std::ptr::NonNull<ffi::GstMiniObject>) {}
@ -73,8 +73,8 @@ pub trait TracerImpl: TracerImplExt + GstObjectImpl + Send + Sync {
fn pad_push_list_pre(&self, ts: u64, pad: &Pad, buffer_list: &BufferList) {}
fn pad_push_post(&self, ts: u64, pad: &Pad, result: Result<FlowSuccess, FlowError>) {}
fn pad_push_pre(&self, ts: u64, pad: &Pad, buffer: &Buffer) {}
fn pad_query_post(&self, ts: u64, pad: &Pad, query: &Query, success: bool) {}
fn pad_query_pre(&self, ts: u64, pad: &Pad, query: &Query) {}
fn pad_query_post(&self, ts: u64, pad: &Pad, query: &QueryRef, success: bool) {}
fn pad_query_pre(&self, ts: u64, pad: &Pad, query: &QueryRef) {}
fn pad_unlink_post(&self, ts: u64, src: &Pad, sink: &Pad, success: bool) {}
fn pad_unlink_pre(&self, ts: u64, src: &Pad, sink: &Pad) {}
#[cfg(any(feature = "v1_20", feature = "dox"))]
@ -184,13 +184,13 @@ define_tracer_hooks! {
};
ElementQueryPost("element-query-post") = |this, ts, e: *mut ffi::GstElement, q: *mut ffi::GstQuery, r: glib::ffi::gboolean| {
let e = Element::from_glib_borrow(e);
let q = Query::from_glib_borrow(q);
this.element_query_post(ts, &e, &q, bool::from_glib(r))
let q = QueryRef::from_ptr(q);
this.element_query_post(ts, &e, q, bool::from_glib(r))
};
ElementQueryPre("element-query-pre") = |this, ts, e: *mut ffi::GstElement, q: *mut ffi::GstQuery| {
let e = Element::from_glib_borrow(e);
let q = Query::from_glib_borrow(q);
this.element_query_pre(ts, &e, &q)
let q = QueryRef::from_ptr(q);
this.element_query_pre(ts, &e, q)
};
// TODO: unclear what to do here as the `GstMiniObject` here is not fully initialized yet…
MiniObjectCreated("mini-object-created") = |this, ts, o: *mut ffi::GstMiniObject| {
@ -305,13 +305,13 @@ define_tracer_hooks! {
};
PadQueryPost("pad-query-post") = |this, ts, p: *mut ffi::GstPad, q: *mut ffi::GstQuery, r: glib::ffi::gboolean| {
let p = Pad::from_glib_borrow(p);
let q = Query::from_glib_borrow(q);
this.pad_query_post(ts, &p, &q, bool::from_glib(r))
let q = QueryRef::from_ptr(q);
this.pad_query_post(ts, &p, q, bool::from_glib(r))
};
PadQueryPre("pad-query-pre") = |this, ts, p: *mut ffi::GstPad, q: *mut ffi::GstQuery| {
let p = Pad::from_glib_borrow(p);
let q = Query::from_glib_borrow(q);
this.pad_query_pre(ts, &p, &q)
let q = QueryRef::from_ptr(q);
this.pad_query_pre(ts, &p, q)
};
PadUnlinkPost("pad-unlink-post") = |this, ts, src: *mut ffi::GstPad, sink: *mut ffi::GstPad, r: glib::ffi::gboolean| {
let src = Pad::from_glib_borrow(src);