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tracer: Use Results instead of plain success/failure enums

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This makes it more convenient to handle the success/failure cases in
tracer implementations and is more consistent.
This commit is contained in:
Sebastian Dröge 2022-10-02 10:40:51 +03:00
parent ade0aad6b0
commit c64b6ac68b
1 changed files with 32 additions and 19 deletions
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51
gstreamer/src/subclass/tracer.rs
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@ -1,10 +1,10 @@
// Take a look at the license at the top of the repository in the LICENSE file.
use super::prelude::*;
use crate::ffi;
use crate::{
Bin, Buffer, BufferList, Element, Event, FlowReturn, Message, MiniObject, Object, Pad,
PadLinkReturn, Query, StateChange, StateChangeReturn, Tracer,
ffi, Bin, Buffer, BufferList, Element, Event, FlowError, FlowSuccess, Message, MiniObject,
Object, Pad, PadLinkError, PadLinkSuccess, Query, StateChange, StateChangeError,
StateChangeSuccess, Tracer,
};
use glib::{prelude::*, subclass::prelude::*, translate::*};
@ -22,7 +22,7 @@ pub trait TracerImpl: TracerImplExt + GstObjectImpl + Send + Sync {
ts: u64,
element: &Element,
change: StateChange,
result: StateChangeReturn,
result: Result<StateChangeSuccess, StateChangeError>,
) {
}
fn element_change_state_pre(&self, ts: u64, element: &Element, change: StateChange) {}
@ -44,28 +44,34 @@ pub trait TracerImpl: TracerImplExt + GstObjectImpl + Send + Sync {
fn object_destroyed(&self, ts: u64, object: std::ptr::NonNull<ffi::GstObject>) {}
fn object_reffed(&self, ts: u64, object: &Object, new_refcount: i32) {}
fn object_unreffed(&self, ts: u64, object: &Object, new_refcount: i32) {}
fn pad_link_post(&self, ts: u64, src: &Pad, sink: &Pad, result: PadLinkReturn) {}
fn pad_link_pre(&self, ts: u64, src: &Pad, sink: &Pad) {}
fn pad_pull_range_post(&self, ts: u64, pad: &Pad, buffer: Option<&Buffer>, result: FlowReturn) {
fn pad_link_post(
&self,
ts: u64,
src: &Pad,
sink: &Pad,
result: Result<PadLinkSuccess, PadLinkError>,
) {
}
fn pad_link_pre(&self, ts: u64, src: &Pad, sink: &Pad) {}
fn pad_pull_range_post(&self, ts: u64, pad: &Pad, result: Result<&Buffer, FlowError>) {}
fn pad_pull_range_pre(&self, ts: u64, pad: &Pad, offset: u64, size: u32) {}
fn pad_push_event_post(&self, ts: u64, pad: &Pad, success: bool) {}
fn pad_push_event_pre(&self, ts: u64, pad: &Pad, event: &Event) {}
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
fn pad_chain_list_post(&self, ts: u64, pad: &Pad, result: FlowReturn) {}
fn pad_chain_list_post(&self, ts: u64, pad: &Pad, result: Result<FlowSuccess, FlowError>) {}
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
fn pad_chain_list_pre(&self, ts: u64, pad: &Pad, buffer_list: &BufferList) {}
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
fn pad_chain_post(&self, ts: u64, pad: &Pad, result: FlowReturn) {}
fn pad_chain_post(&self, ts: u64, pad: &Pad, result: Result<FlowSuccess, FlowError>) {}
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
fn pad_chain_pre(&self, ts: u64, pad: &Pad, buffer: &Buffer) {}
fn pad_push_list_post(&self, ts: u64, pad: &Pad, result: FlowReturn) {}
fn pad_push_list_post(&self, ts: u64, pad: &Pad, result: Result<FlowSuccess, FlowError>) {}
fn pad_push_list_pre(&self, ts: u64, pad: &Pad, buffer_list: &BufferList) {}
fn pad_push_post(&self, ts: u64, pad: &Pad, result: FlowReturn) {}
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) {}
@ -161,7 +167,7 @@ define_tracer_hooks! {
};
ElementChangeStatePost("element-change-state-post") = |this, ts, e: *mut ffi::GstElement, c: ffi::GstStateChange, r: ffi::GstStateChangeReturn| {
let e = Element::from_glib_borrow(e);
this.element_change_state_post(ts, &e, StateChange::from_glib(c), StateChangeReturn::from_glib(r))
this.element_change_state_post(ts, &e, StateChange::from_glib(c), try_from_glib(r))
};
ElementChangeStatePre("element-change-state-pre") = |this, ts, e: *mut ffi::GstElement, c: ffi::GstStateChange| {
let e = Element::from_glib_borrow(e);
@ -221,7 +227,7 @@ define_tracer_hooks! {
PadLinkPost("pad-link-post") = |this, ts, src: *mut ffi::GstPad, sink: *mut ffi::GstPad, r: ffi::GstPadLinkReturn| {
let src = Pad::from_glib_borrow(src);
let sink = Pad::from_glib_borrow(sink);
this.pad_link_post(ts, &src, &sink, PadLinkReturn::from_glib(r))
this.pad_link_post(ts, &src, &sink, try_from_glib(r))
};
PadLinkPre("pad-link-pre") = |this, ts, src: *mut ffi::GstPad, sink: *mut ffi::GstPad| {
let src = Pad::from_glib_borrow(src);
@ -230,8 +236,15 @@ define_tracer_hooks! {
};
PadPullRangePost("pad-pull-range-post") = |this, ts, p: *mut ffi::GstPad, b: *mut ffi::GstBuffer, r: ffi::GstFlowReturn| {
let p = Pad::from_glib_borrow(p);
let b = Option::<Buffer>::from_glib_borrow(b);
this.pad_pull_range_post(ts, &p, b.as_ref().as_ref(), FlowReturn::from_glib(r))
let res: Result::<FlowSuccess, FlowError> = try_from_glib(r);
match res {
Ok(_) => {
this.pad_pull_range_post(ts, &p, Ok(&from_glib_borrow(b)))
}
Err(err) => {
this.pad_pull_range_post(ts, &p, Err(err))
}
}
};
PadPullRangePre("pad-pull-range-pre") = |this, ts, p: *mut ffi::GstPad, o: u64, s: libc::c_uint| {
let p = Pad::from_glib_borrow(p);
@ -248,7 +261,7 @@ define_tracer_hooks! {
};
PadPushListPost("pad-push-list-post") = |this, ts, p: *mut ffi::GstPad, r: ffi::GstFlowReturn| {
let p = Pad::from_glib_borrow(p);
this.pad_push_list_post(ts, &p, FlowReturn::from_glib(r))
this.pad_push_list_post(ts, &p, try_from_glib(r))
};
PadPushListPre("pad-push-list-pre") = |this, ts, p: *mut ffi::GstPad, bl: *mut ffi::GstBufferList| {
let p = Pad::from_glib_borrow(p);
@ -257,7 +270,7 @@ define_tracer_hooks! {
};
PadPushPost("pad-push-post") = |this, ts, p: *mut ffi::GstPad, r: ffi::GstFlowReturn| {
let p = Pad::from_glib_borrow(p);
this.pad_push_post(ts, &p, FlowReturn::from_glib(r))
this.pad_push_post(ts, &p, try_from_glib(r))
};
PadPushPre("pad-push-pre") = |this, ts, p: *mut ffi::GstPad, b: *mut ffi::GstBuffer| {
let p = Pad::from_glib_borrow(p);
@ -268,7 +281,7 @@ define_tracer_hooks! {
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
PadChainListPost("pad-chain-list-post") = |this, ts, p: *mut ffi::GstPad, r: ffi::GstFlowReturn| {
let p = Pad::from_glib_borrow(p);
this.pad_chain_list_post(ts, &p, FlowReturn::from_glib(r))
this.pad_chain_list_post(ts, &p, try_from_glib(r))
};
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
@ -281,7 +294,7 @@ define_tracer_hooks! {
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]
PadChainPost("pad-chain-post") = |this, ts, p: *mut ffi::GstPad, r: ffi::GstFlowReturn| {
let p = Pad::from_glib_borrow(p);
this.pad_chain_post(ts, &p, FlowReturn::from_glib(r))
this.pad_chain_post(ts, &p, try_from_glib(r))
};
#[cfg(any(feature = "v1_22", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_22")))]