forked from mirrors/gstreamer-rs
gstreamer: Add BinImpl::do_latency()
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59efe09fe5
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1b10c5324d
1 changed files with 42 additions and 0 deletions
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@ -20,6 +20,10 @@ pub trait BinImpl: BinImplExt + ElementImpl {
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self.parent_remove_element(bin, element)
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}
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fn do_latency(&self, bin: &Self::Type) -> Result<(), LoggableError> {
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self.parent_do_latency(bin)
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}
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fn handle_message(&self, bin: &Self::Type, message: Message) {
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self.parent_handle_message(bin, message)
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}
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@ -34,6 +38,8 @@ pub trait BinImplExt: ObjectSubclass {
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element: &Element,
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) -> Result<(), LoggableError>;
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fn parent_do_latency(&self, bin: &Self::Type) -> Result<(), LoggableError>;
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fn parent_handle_message(&self, bin: &Self::Type, message: Message);
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}
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@ -84,6 +90,24 @@ impl<T: BinImpl> BinImplExt for T {
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}
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}
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fn parent_do_latency(&self, bin: &Self::Type) -> Result<(), LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstBinClass;
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let f = (*parent_class).do_latency.ok_or_else(|| {
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loggable_error!(
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crate::CAT_RUST,
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"Parent function `do_latency` is not defined"
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)
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})?;
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result_from_gboolean!(
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f(bin.unsafe_cast_ref::<crate::Bin>().to_glib_none().0,),
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crate::CAT_RUST,
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"Failed to update latency using the parent function"
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)
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}
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}
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fn parent_handle_message(&self, bin: &Self::Type, message: Message) {
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unsafe {
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let data = Self::type_data();
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@ -104,6 +128,7 @@ unsafe impl<T: BinImpl> IsSubclassable<T> for Bin {
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let klass = klass.as_mut();
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klass.add_element = Some(bin_add_element::<T>);
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klass.remove_element = Some(bin_remove_element::<T>);
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klass.do_latency = Some(bin_do_latency::<T>);
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klass.handle_message = Some(bin_handle_message::<T>);
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}
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}
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@ -157,6 +182,23 @@ unsafe extern "C" fn bin_remove_element<T: BinImpl>(
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.into_glib()
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}
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unsafe extern "C" fn bin_do_latency<T: BinImpl>(ptr: *mut ffi::GstBin) -> glib::ffi::gboolean {
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.imp();
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let wrap: Borrowed<Bin> = from_glib_borrow(ptr);
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panic_to_error!(&wrap, imp.panicked(), false, {
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match imp.do_latency(wrap.unsafe_cast_ref()) {
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Ok(()) => true,
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Err(err) => {
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err.log_with_object(&*wrap);
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false
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}
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}
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})
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.into_glib()
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}
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unsafe extern "C" fn bin_handle_message<T: BinImpl>(
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ptr: *mut ffi::GstBin,
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message: *mut ffi::GstMessage,
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