mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2025-01-22 17:08:18 +00:00
Add lots more virtual method for basesrc
This commit is contained in:
Sebastian Dröge
parent
dc231937d7
commit
60e25bcc91
1 changed files with 304 additions and 1 deletions
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@ -30,37 +30,99 @@ pub trait BaseSrcImpl<T: BaseSrc>
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fn start(&self, _element: &T) -> bool {
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true
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}
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fn stop(&self, _element: &T) -> bool {
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true
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}
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fn is_seekable(&self, _element: &T) -> bool {
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false
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}
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fn get_size(&self, _element: &T) -> 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: &T,
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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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) -> 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: &T,
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offset: u64,
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length: u32,
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) -> Result<gst::Buffer, gst::FlowReturn> {
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element.parent_create(offset, length)
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}
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fn do_seek(&self, element: &T, segment: &mut gst::Segment) -> bool {
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element.parent_do_seek(segment)
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}
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fn query(&self, element: &T, query: &mut gst::QueryRef) -> bool {
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element.parent_query(query)
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}
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fn event(&self, element: &T, event: &gst::Event) -> bool {
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element.parent_event(event)
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}
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fn get_caps(&self, element: &T, filter: Option<&gst::CapsRef>) -> Option<gst::Caps> {
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element.parent_get_caps(filter)
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}
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fn negotiate(&self, element: &T) -> bool {
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element.parent_negotiate()
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}
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fn set_caps(&self, element: &T, caps: &gst::CapsRef) -> bool {
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element.parent_set_caps(caps)
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}
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fn fixate(&self, element: &T, caps: gst::Caps) -> gst::Caps {
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element.parent_fixate(caps)
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}
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fn unlock(&self, _element: &T) -> bool {
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true
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}
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fn unlock_stop(&self, _element: &T) -> bool {
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true
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}
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}
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mopafy_object_impl!(BaseSrc, BaseSrcImpl);
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pub unsafe trait BaseSrc
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: IsA<gst::Element> + IsA<gst_base::BaseSrc> + ObjectType {
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fn parent_create(&self, offset: u64, length: u32) -> Result<gst::Buffer, gst::FlowReturn> {
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unsafe {
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let klass = self.get_class();
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let parent_klass = (*klass).get_parent_class() as *const gst_base_ffi::GstBaseSrcClass;
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(*parent_klass)
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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://github.com/sdroege/gstreamer-sys/issues/3
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let buffer_ref = &mut buffer as *mut _ as *mut gst_ffi::GstBuffer;
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match from_glib(f(self.to_glib_none().0, offset, length, buffer_ref)) {
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gst::FlowReturn::Ok => Ok(from_glib_full(buffer)),
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ret => Err(ret),
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}
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})
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.unwrap_or(Err(gst::FlowReturn::Error))
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}
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}
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fn parent_do_seek(&self, segment: &mut gst::Segment) -> bool {
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unsafe {
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let klass = self.get_class();
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@ -97,6 +159,57 @@ pub unsafe trait BaseSrc
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.unwrap_or(false)
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}
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}
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fn parent_get_caps(&self, filter: Option<&gst::CapsRef>) -> Option<gst::Caps> {
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unsafe {
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let klass = self.get_class();
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let parent_klass = (*klass).get_parent_class() as *const gst_base_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_klass)
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.get_caps
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.map(|f| from_glib_full(f(self.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) -> bool {
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unsafe {
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let klass = self.get_class();
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let parent_klass = (*klass).get_parent_class() as *const gst_base_ffi::GstBaseSrcClass;
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(*parent_klass)
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.negotiate
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.map(|f| from_glib(f(self.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, caps: &gst::CapsRef) -> bool {
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unsafe {
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let klass = self.get_class();
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let parent_klass = (*klass).get_parent_class() as *const gst_base_ffi::GstBaseSrcClass;
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(*parent_klass)
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.set_caps
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.map(|f| from_glib(f(self.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, caps: gst::Caps) -> gst::Caps {
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unsafe {
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let klass = self.get_class();
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let parent_klass = (*klass).get_parent_class() as *const gst_base_ffi::GstBaseSrcClass;
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match (*parent_klass).fixate {
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Some(fixate) => from_glib_full(fixate(self.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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pub unsafe trait BaseSrcClass<T: BaseSrc>
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@ -111,9 +224,16 @@ where
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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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@ -172,6 +292,16 @@ macro_rules! box_base_src_impl(
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imp.fill(element, offset, length, buffer)
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}
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fn create(
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&self,
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element: &T,
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offset: u64,
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length: u32,
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) -> Result<gst::Buffer, gst::FlowReturn> {
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let imp: &$name<T> = self.as_ref();
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imp.create(element, offset, length)
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}
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fn do_seek(&self, element: &T, segment: &mut gst::Segment) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.do_seek(element, segment)
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@ -181,10 +311,41 @@ macro_rules! box_base_src_impl(
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let imp: &$name<T> = self.as_ref();
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BaseSrcImpl::query(imp, element, query)
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}
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fn event(&self, element: &T, event: &gst::Event) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.event(element, event)
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}
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fn get_caps(&self, element: &T, filter: Option<&gst::CapsRef>) -> Option<gst::Caps> {
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let imp: &$name<T> = self.as_ref();
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imp.get_caps(element, filter)
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}
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fn negotiate(&self, element: &T) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.negotiate(element)
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}
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fn set_caps(&self, element: &T, caps: &gst::CapsRef) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.set_caps(element, caps)
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}
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fn fixate(&self, element: &T, caps: gst::Caps) -> gst::Caps {
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let imp: &$name<T> = self.as_ref();
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imp.fixate(element, caps)
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}
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fn unlock(&self, element: &T) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.unlock(element)
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}
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fn unlock_stop(&self, element: &T) -> bool {
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let imp: &$name<T> = self.as_ref();
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imp.unlock(element)
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}
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}
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};
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);
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@ -298,6 +459,35 @@ where
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}).to_glib()
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}
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unsafe extern "C" fn base_src_create<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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offset: u64,
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length: u32,
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buffer_ptr: *mut gst_ffi::GstBuffer,
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) -> gst_ffi::GstFlowReturn
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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// FIXME: Wrong signature in -sys bindings
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// https://github.com/sdroege/gstreamer-sys/issues/3
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let buffer_ptr = buffer_ptr as *mut *mut gst_ffi::GstBuffer;
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panic_to_error!(&wrap, &element.panicked, gst::FlowReturn::Error, {
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match imp.create(&wrap, offset, length) {
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Ok(buffer) => {
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*buffer_ptr = buffer.into_ptr();
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gst::FlowReturn::Ok
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}
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Err(err) => err,
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}
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}).to_glib()
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}
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unsafe extern "C" fn base_src_do_seek<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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segment: *mut gst_ffi::GstSegment,
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@ -352,3 +542,116 @@ where
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imp.event(&wrap, &from_glib_none(event_ptr))
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}).to_glib()
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}
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unsafe extern "C" fn base_src_get_caps<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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filter: *mut gst_ffi::GstCaps,
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) -> *mut gst_ffi::GstCaps
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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let filter = if filter.is_null() {
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None
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} else {
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Some(gst::CapsRef::from_ptr(filter))
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};
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panic_to_error!(
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&wrap,
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&element.panicked,
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None,
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{ imp.get_caps(&wrap, filter) }
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).map(|caps| caps.into_ptr())
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.unwrap_or(ptr::null_mut())
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}
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unsafe extern "C" fn base_src_negotiate<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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) -> glib_ffi::gboolean
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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panic_to_error!(&wrap, &element.panicked, false, { imp.negotiate(&wrap) }).to_glib()
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}
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unsafe extern "C" fn base_src_set_caps<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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caps: *mut gst_ffi::GstCaps,
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) -> glib_ffi::gboolean
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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let caps = gst::CapsRef::from_ptr(caps);
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panic_to_error!(
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&wrap,
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&element.panicked,
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false,
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{ imp.set_caps(&wrap, caps) }
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).to_glib()
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}
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unsafe extern "C" fn base_src_fixate<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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caps: *mut gst_ffi::GstCaps,
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) -> *mut gst_ffi::GstCaps
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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let caps = from_glib_full(caps);
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panic_to_error!(&wrap, &element.panicked, gst::Caps::new_empty(), {
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imp.fixate(&wrap, caps)
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}).into_ptr()
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}
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unsafe extern "C" fn base_src_unlock<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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) -> glib_ffi::gboolean
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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panic_to_error!(&wrap, &element.panicked, false, { imp.unlock(&wrap) }).to_glib()
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}
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unsafe extern "C" fn base_src_unlock_stop<T: BaseSrc>(
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ptr: *mut gst_base_ffi::GstBaseSrc,
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) -> glib_ffi::gboolean
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where
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T::ImplType: BaseSrcImpl<T>,
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{
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callback_guard!();
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floating_reference_guard!(ptr);
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let element = &*(ptr as *mut InstanceStruct<T>);
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let wrap: T = from_glib_borrow(ptr as *mut InstanceStruct<T>);
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let imp = &*element.imp;
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panic_to_error!(&wrap, &element.panicked, false, { imp.unlock_stop(&wrap) }).to_glib()
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}
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