mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-12-23 08:36:31 +00:00
Port BaseSrc subclassing
This commit is contained in:
parent
d2b911a629
commit
771defa377
7 changed files with 582 additions and 2 deletions
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@ -75,6 +75,7 @@ concurrency = "none"
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[[object]]
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[[object]]
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name = "GstBase.BaseSrc"
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name = "GstBase.BaseSrc"
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subclassing = true
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status = "generate"
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status = "generate"
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[[object.function]]
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[[object.function]]
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@ -33,6 +33,7 @@ v1_14_1 = ["gstreamer-sys/v1_14", "gstreamer-base-sys/v1_14_1", "v1_14"]
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embed-lgpl-docs = ["rustdoc-stripper"]
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embed-lgpl-docs = ["rustdoc-stripper"]
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purge-lgpl-docs = ["rustdoc-stripper"]
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purge-lgpl-docs = ["rustdoc-stripper"]
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dox = ["gstreamer-base-sys/dox", "glib/dox", "gstreamer/dox"]
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dox = ["gstreamer-base-sys/dox", "glib/dox", "gstreamer/dox"]
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subclassing = ["gstreamer/subclassing"]
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default-features = []
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default-features = []
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[badges]
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[badges]
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@ -2,6 +2,7 @@
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// from gir-files (https://github.com/gtk-rs/gir-files)
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// from gir-files (https://github.com/gtk-rs/gir-files)
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// DO NOT EDIT
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// DO NOT EDIT
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use BaseSrcClass;
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use ffi;
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use ffi;
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use glib;
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use glib;
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use glib::StaticType;
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use glib::StaticType;
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@ -21,7 +22,7 @@ use std::mem::transmute;
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use std::ptr;
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use std::ptr;
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glib_wrapper! {
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glib_wrapper! {
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pub struct BaseSrc(Object<ffi::GstBaseSrc, ffi::GstBaseSrcClass>): [
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pub struct BaseSrc(Object<ffi::GstBaseSrc, ffi::GstBaseSrcClass, BaseSrcClass>): [
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gst::Element => gst_ffi::GstElement,
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gst::Element => gst_ffi::GstElement,
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gst::Object => gst_ffi::GstObject,
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gst::Object => gst_ffi::GstObject,
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];
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];
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@ -8,8 +8,9 @@
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use ffi;
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use ffi;
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use glib::translate::*;
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use glib::translate::*;
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use glib::IsA;
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use glib::{IsA, IsClassFor};
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use gst;
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use gst;
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use std::ops;
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use BaseSrc;
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use BaseSrc;
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pub trait BaseSrcExtManual {
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pub trait BaseSrcExtManual {
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@ -26,3 +27,27 @@ impl<O: IsA<BaseSrc>> BaseSrcExtManual for O {
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}
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}
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}
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}
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}
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}
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#[repr(C)]
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pub struct BaseSrcClass(ffi::GstBaseSrcClass);
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unsafe impl IsClassFor for BaseSrcClass {
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type Instance = BaseSrc;
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}
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unsafe impl Send for BaseSrcClass {}
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unsafe impl Sync for BaseSrcClass {}
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impl ops::Deref for BaseSrcClass {
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type Target = gst::ElementClass;
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fn deref(&self) -> &Self::Target {
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self.upcast_ref()
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}
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}
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impl ops::DerefMut for BaseSrcClass {
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fn deref_mut(&mut self) -> &mut Self::Target {
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self.upcast_ref_mut()
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}
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}
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@ -8,6 +8,7 @@
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extern crate glib_sys as glib_ffi;
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extern crate glib_sys as glib_ffi;
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extern crate gobject_sys as gobject_ffi;
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extern crate gobject_sys as gobject_ffi;
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#[macro_use]
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extern crate gstreamer as gst;
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extern crate gstreamer as gst;
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extern crate gstreamer_base_sys as ffi;
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extern crate gstreamer_base_sys as ffi;
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extern crate gstreamer_sys as gst_ffi;
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extern crate gstreamer_sys as gst_ffi;
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@ -46,6 +47,7 @@ mod aggregator;
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mod aggregator_pad;
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mod aggregator_pad;
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mod base_sink;
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mod base_sink;
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mod base_src;
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mod base_src;
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pub use base_src::BaseSrcClass;
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mod base_transform;
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mod base_transform;
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// Re-export all the traits in a prelude module, so that applications
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// Re-export all the traits in a prelude module, so that applications
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@ -65,3 +67,6 @@ pub mod prelude {
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}
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}
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mod utils;
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mod utils;
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#[cfg(feature = "subclassing")]
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pub mod subclass;
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532
gstreamer-base/src/subclass/base_src.rs
Normal file
532
gstreamer-base/src/subclass/base_src.rs
Normal file
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@ -0,0 +1,532 @@
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// Copyright (C) 2017,2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ffi;
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use glib_ffi;
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use gst_ffi;
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use glib::translate::*;
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use prelude::*;
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use glib::subclass::prelude::*;
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use gst;
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use gst::subclass::prelude::*;
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use std::ptr;
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use BaseSrc;
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use BaseSrcClass;
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pub trait BaseSrcImpl: ElementImpl + Send + Sync + 'static {
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fn start(&self, _element: &BaseSrc) -> bool {
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true
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}
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fn stop(&self, _element: &BaseSrc) -> bool {
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true
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}
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fn is_seekable(&self, _element: &BaseSrc) -> bool {
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false
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}
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fn get_size(&self, _element: &BaseSrc) -> Option<u64> {
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None
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}
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fn fill(
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&self,
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_element: &BaseSrc,
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_offset: u64,
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_length: u32,
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_buffer: &mut gst::BufferRef,
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) -> gst::FlowReturn {
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unimplemented!()
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}
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fn create(
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&self,
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element: &BaseSrc,
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offset: u64,
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length: u32,
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) -> Result<gst::Buffer, gst::FlowError> {
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self.parent_create(element, offset, length)
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}
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fn do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
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self.parent_do_seek(element, segment)
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}
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fn query(&self, element: &BaseSrc, query: &mut gst::QueryRef) -> bool {
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BaseSrcImpl::parent_query(self, element, query)
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}
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fn event(&self, element: &BaseSrc, event: &gst::Event) -> bool {
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self.parent_event(element, event)
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}
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fn get_caps(&self, element: &BaseSrc, filter: Option<&gst::CapsRef>) -> Option<gst::Caps> {
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self.parent_get_caps(element, filter)
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}
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fn negotiate(&self, element: &BaseSrc) -> bool {
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self.parent_negotiate(element)
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}
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fn set_caps(&self, element: &BaseSrc, caps: &gst::CapsRef) -> bool {
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self.parent_set_caps(element, caps)
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}
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fn fixate(&self, element: &BaseSrc, caps: gst::Caps) -> gst::Caps {
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self.parent_fixate(element, caps)
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}
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fn unlock(&self, _element: &BaseSrc) -> bool {
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true
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}
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fn unlock_stop(&self, _element: &BaseSrc) -> bool {
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true
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}
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fn parent_create(
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&self,
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element: &BaseSrc,
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offset: u64,
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length: u32,
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) -> Result<gst::Buffer, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.create
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.map(|f| {
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let mut buffer: *mut gst_ffi::GstBuffer = ptr::null_mut();
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// FIXME: Wrong signature in -sys bindings
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// https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys/issues/3
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let buffer_ref = &mut buffer as *mut _ as *mut gst_ffi::GstBuffer;
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let ret: gst::FlowReturn =
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from_glib(f(element.to_glib_none().0, offset, length, buffer_ref));
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ret.into_result_value(|| from_glib_full(buffer))
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})
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.unwrap_or(Err(gst::FlowError::Error))
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}
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}
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fn parent_do_seek(&self, element: &BaseSrc, segment: &mut gst::Segment) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.do_seek
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.map(|f| from_glib(f(element.to_glib_none().0, segment.to_glib_none_mut().0)))
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.unwrap_or(false)
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}
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}
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fn parent_query(&self, element: &BaseSrc, query: &mut gst::QueryRef) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.query
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.map(|f| from_glib(f(element.to_glib_none().0, query.as_mut_ptr())))
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.unwrap_or(false)
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}
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}
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fn parent_event(&self, element: &BaseSrc, event: &gst::Event) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.event
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.map(|f| from_glib(f(element.to_glib_none().0, event.to_glib_none().0)))
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.unwrap_or(false)
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}
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}
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fn parent_get_caps(
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&self,
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element: &BaseSrc,
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filter: Option<&gst::CapsRef>,
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) -> Option<gst::Caps> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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let filter_ptr = if let Some(filter) = filter {
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filter.as_mut_ptr()
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} else {
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ptr::null_mut()
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};
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(*parent_class)
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.get_caps
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.map(|f| from_glib_full(f(element.to_glib_none().0, filter_ptr)))
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.unwrap_or(None)
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}
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}
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fn parent_negotiate(&self, element: &BaseSrc) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.negotiate
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.map(|f| from_glib(f(element.to_glib_none().0)))
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.unwrap_or(false)
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}
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}
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fn parent_set_caps(&self, element: &BaseSrc, caps: &gst::CapsRef) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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(*parent_class)
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.set_caps
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.map(|f| from_glib(f(element.to_glib_none().0, caps.as_mut_ptr())))
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.unwrap_or(true)
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}
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}
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fn parent_fixate(&self, element: &BaseSrc, caps: gst::Caps) -> gst::Caps {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstBaseSrcClass;
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match (*parent_class).fixate {
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Some(fixate) => from_glib_full(fixate(element.to_glib_none().0, caps.into_ptr())),
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None => caps,
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}
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}
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}
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}
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unsafe impl<T: ObjectSubclass + BaseSrcImpl> IsSubclassable<T> for BaseSrcClass
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where
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<T as ObjectSubclass>::Instance: PanicPoison,
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{
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fn override_vfuncs(&mut self) {
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<gst::ElementClass as IsSubclassable<T>>::override_vfuncs(self);
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unsafe {
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let klass = &mut *(self as *const Self as *mut ffi::GstBaseSrcClass);
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klass.start = Some(base_src_start::<T>);
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klass.stop = Some(base_src_stop::<T>);
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klass.is_seekable = Some(base_src_is_seekable::<T>);
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klass.get_size = Some(base_src_get_size::<T>);
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klass.fill = Some(base_src_fill::<T>);
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klass.create = Some(base_src_create::<T>);
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klass.do_seek = Some(base_src_do_seek::<T>);
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klass.query = Some(base_src_query::<T>);
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klass.event = Some(base_src_event::<T>);
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klass.get_caps = Some(base_src_get_caps::<T>);
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klass.negotiate = Some(base_src_negotiate::<T>);
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klass.set_caps = Some(base_src_set_caps::<T>);
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klass.fixate = Some(base_src_fixate::<T>);
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klass.unlock = Some(base_src_unlock::<T>);
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klass.unlock_stop = Some(base_src_unlock_stop::<T>);
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}
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}
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}
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unsafe extern "C" fn base_src_start<T: ObjectSubclass>(
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ptr: *mut ffi::GstBaseSrc,
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) -> glib_ffi::gboolean
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where
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T: BaseSrcImpl,
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T::Instance: PanicPoison,
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{
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glib_floating_reference_guard!(ptr);
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.get_impl();
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let wrap: BaseSrc = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.start(&wrap) }).to_glib()
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}
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unsafe extern "C" fn base_src_stop<T: ObjectSubclass>(
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ptr: *mut ffi::GstBaseSrc,
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) -> glib_ffi::gboolean
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where
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T: BaseSrcImpl,
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T::Instance: PanicPoison,
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{
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||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.stop(&wrap) }).to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_is_seekable<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
imp.is_seekable(&wrap)
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_get_size<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
size: *mut u64,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
match imp.get_size(&wrap) {
|
||||||
|
Some(s) => {
|
||||||
|
*size = s;
|
||||||
|
true
|
||||||
|
}
|
||||||
|
None => false,
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_fill<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
offset: u64,
|
||||||
|
length: u32,
|
||||||
|
buffer: *mut gst_ffi::GstBuffer,
|
||||||
|
) -> gst_ffi::GstFlowReturn
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
let buffer = gst::BufferRef::from_mut_ptr(buffer);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
||||||
|
imp.fill(&wrap, offset, length, buffer)
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_create<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
offset: u64,
|
||||||
|
length: u32,
|
||||||
|
buffer_ptr: *mut gst_ffi::GstBuffer,
|
||||||
|
) -> gst_ffi::GstFlowReturn
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
// FIXME: Wrong signature in -sys bindings
|
||||||
|
// https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys/issues/3
|
||||||
|
let buffer_ptr = buffer_ptr as *mut *mut gst_ffi::GstBuffer;
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
||||||
|
match imp.create(&wrap, offset, length) {
|
||||||
|
Ok(buffer) => {
|
||||||
|
*buffer_ptr = buffer.into_ptr();
|
||||||
|
gst::FlowReturn::Ok
|
||||||
|
}
|
||||||
|
Err(err) => gst::FlowReturn::from(err),
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_do_seek<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
segment: *mut gst_ffi::GstSegment,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
imp.do_seek(&wrap, &mut from_glib_borrow(segment))
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_query<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
query_ptr: *mut gst_ffi::GstQuery,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
let query = gst::QueryRef::from_mut_ptr(query_ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
BaseSrcImpl::query(imp, &wrap, query)
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_event<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
event_ptr: *mut gst_ffi::GstEvent,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
imp.event(&wrap, &from_glib_borrow(event_ptr))
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_get_caps<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
filter: *mut gst_ffi::GstCaps,
|
||||||
|
) -> *mut gst_ffi::GstCaps
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
let filter = if filter.is_null() {
|
||||||
|
None
|
||||||
|
} else {
|
||||||
|
Some(gst::CapsRef::from_ptr(filter))
|
||||||
|
};
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), None, {
|
||||||
|
imp.get_caps(&wrap, filter)
|
||||||
|
})
|
||||||
|
.map(|caps| caps.into_ptr())
|
||||||
|
.unwrap_or(ptr::null_mut())
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_negotiate<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.negotiate(&wrap) }).to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_set_caps<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
caps: *mut gst_ffi::GstCaps,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
let caps = gst::CapsRef::from_ptr(caps);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
imp.set_caps(&wrap, caps)
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_fixate<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
caps: *mut gst_ffi::GstCaps,
|
||||||
|
) -> *mut gst_ffi::GstCaps
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
let caps = from_glib_full(caps);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::Caps::new_empty(), {
|
||||||
|
imp.fixate(&wrap, caps)
|
||||||
|
})
|
||||||
|
.into_ptr()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_unlock<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.unlock(&wrap) }).to_glib()
|
||||||
|
}
|
||||||
|
|
||||||
|
unsafe extern "C" fn base_src_unlock_stop<T: ObjectSubclass>(
|
||||||
|
ptr: *mut ffi::GstBaseSrc,
|
||||||
|
) -> glib_ffi::gboolean
|
||||||
|
where
|
||||||
|
T: BaseSrcImpl,
|
||||||
|
T::Instance: PanicPoison,
|
||||||
|
{
|
||||||
|
glib_floating_reference_guard!(ptr);
|
||||||
|
let instance = &*(ptr as *mut T::Instance);
|
||||||
|
let imp = instance.get_impl();
|
||||||
|
let wrap: BaseSrc = from_glib_borrow(ptr);
|
||||||
|
|
||||||
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
||||||
|
imp.unlock_stop(&wrap)
|
||||||
|
})
|
||||||
|
.to_glib()
|
||||||
|
}
|
15
gstreamer-base/src/subclass/mod.rs
Normal file
15
gstreamer-base/src/subclass/mod.rs
Normal file
|
@ -0,0 +1,15 @@
|
||||||
|
// Copyright (C) 2016-2018 Sebastian Dröge <sebastian@centricular.com>
|
||||||
|
// 2016 Luis de Bethencourt <luisbg@osg.samsung.com>
|
||||||
|
//
|
||||||
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||||
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||||
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||||
|
// option. This file may not be copied, modified, or distributed
|
||||||
|
// except according to those terms.
|
||||||
|
#![cfg_attr(feature = "cargo-clippy", allow(cast_ptr_alignment))]
|
||||||
|
|
||||||
|
pub mod base_src;
|
||||||
|
|
||||||
|
pub mod prelude {
|
||||||
|
pub use super::base_src::BaseSrcImpl;
|
||||||
|
}
|
Loading…
Reference in a new issue