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// This file was generated by gir (https://github.com/gtk-rs/gir) // from gir-files (https://github.com/gtk-rs/gir-files) // DO NOT EDIT use glib; use glib::object::Cast; use glib::object::IsA; use glib::signal::connect_raw; use glib::signal::SignalHandlerId; use glib::translate::*; use glib::GString; use glib_sys; use gst_sys; use std::boxed::Box as Box_; use std::mem::transmute; use ClockTime; glib_wrapper! { /// `Object` provides a root for the object hierarchy tree filed in by the /// GStreamer library. It is currently a thin wrapper on top of /// `gobject::InitiallyUnowned`. It is an abstract class that is not very usable on its own. /// /// `Object` gives us basic refcounting, parenting functionality and locking. /// Most of the functions are just extended for special GStreamer needs and can be /// found under the same name in the base class of `Object` which is `gobject::Object` /// (e.g. `gobject::ObjectExt::ref` becomes `GstObjectExt::ref`). /// /// Since `Object` derives from `gobject::InitiallyUnowned`, it also inherits the /// floating reference. Be aware that functions such as `GstBinExt::add` and /// `ElementExt::add_pad` take ownership of the floating reference. /// /// In contrast to `gobject::Object` instances, `Object` adds a name property. The functions /// `Object::set_name` and `GstObjectExt::get_name` are used to set/get the name /// of the object. /// /// ## controlled properties /// /// Controlled properties offers a lightweight way to adjust gobject properties /// over stream-time. It works by using time-stamped value pairs that are queued /// for element-properties. At run-time the elements continuously pull value /// changes for the current stream-time. /// /// What needs to be changed in a `Element`? /// Very little - it is just two steps to make a plugin controllable! /// /// * mark gobject-properties paramspecs that make sense to be controlled, /// by GST_PARAM_CONTROLLABLE. /// /// * when processing data (get, chain, loop function) at the beginning call /// gst_object_sync_values(element,timestamp). /// This will make the controller update all GObject properties that are /// under its control with the current values based on the timestamp. /// /// What needs to be done in applications? Again it's not a lot to change. /// /// * create a `ControlSource`. /// csource = gst_interpolation_control_source_new (); /// g_object_set (csource, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL); /// /// * Attach the `ControlSource` on the controller to a property. /// gst_object_add_control_binding (object, gst_direct_control_binding_new (object, "prop1", csource)); /// /// * Set the control values /// gst_timed_value_control_source_set ((GstTimedValueControlSource *)csource,0 * GST_SECOND, value1); /// gst_timed_value_control_source_set ((GstTimedValueControlSource *)csource,1 * GST_SECOND, value2); /// /// * start your pipeline /// /// # Implements /// /// [`GstObjectExt`](trait.GstObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html) pub struct Object(Object<gst_sys::GstObject, gst_sys::GstObjectClass, ObjectClass>); match fn { get_type => || gst_sys::gst_object_get_type(), } } impl Object { /// Checks to see if there is any object named `name` in `list`. This function /// does not do any locking of any kind. You might want to protect the /// provided list with the lock of the owner of the list. This function /// will lock each `Object` in the list to compare the name, so be /// careful when passing a list with a locked object. /// ## `list` /// a list of `Object` to /// check through /// ## `name` /// the name to search for /// /// # Returns /// /// `true` if a `Object` named `name` does not appear in `list`, /// `false` if it does. /// /// MT safe. Grabs and releases the LOCK of each object in the list. pub fn check_uniqueness(list: &[Object], name: &str) -> bool { assert_initialized_main_thread!(); unsafe { from_glib(gst_sys::gst_object_check_uniqueness( list.to_glib_none().0, name.to_glib_none().0, )) } } //pub fn default_deep_notify<P: IsA<glib::Object>, Q: IsA<Object>>(object: &P, orig: &Q, pspec: /*Ignored*/&glib::ParamSpec, excluded_props: &[&str]) { // unsafe { TODO: call gst_sys:gst_object_default_deep_notify() } //} //pub fn ref_sink(object: /*Unimplemented*/Option<Fundamental: Pointer>) -> /*Unimplemented*/Option<Fundamental: Pointer> { // unsafe { TODO: call gst_sys:gst_object_ref_sink() } //} //pub fn replace<P: IsA<Object>, Q: IsA<Object>>(oldobj: Option<&P>, newobj: Option<&Q>) -> bool { // unsafe { TODO: call gst_sys:gst_object_replace() } //} } unsafe impl Send for Object {} unsafe impl Sync for Object {} pub const NONE_OBJECT: Option<&Object> = None; /// Trait containing all `Object` methods. /// /// # Implementors /// /// [`Allocator`](struct.Allocator.html), [`BufferPool`](struct.BufferPool.html), [`Bus`](struct.Bus.html), [`Clock`](struct.Clock.html), [`DeviceMonitor`](struct.DeviceMonitor.html), [`DeviceProvider`](struct.DeviceProvider.html), [`Device`](struct.Device.html), [`Element`](struct.Element.html), [`Object`](struct.Object.html), [`PadTemplate`](struct.PadTemplate.html), [`Pad`](struct.Pad.html), [`PluginFeature`](struct.PluginFeature.html), [`Plugin`](struct.Plugin.html), [`Registry`](struct.Registry.html), [`StreamCollection`](struct.StreamCollection.html), [`Stream`](struct.Stream.html) pub trait GstObjectExt: 'static { //fn add_control_binding(&self, binding: /*Ignored*/&ControlBinding) -> bool; /// A default error function that uses `g_printerr` to display the error message /// and the optional debug string.. /// /// The default handler will simply print the error string using g_print. /// ## `error` /// the GError. /// ## `debug` /// an additional debug information string, or `None` fn default_error(&self, error: &glib::Error, debug: Option<&str>); //fn get_control_binding(&self, property_name: &str) -> /*Ignored*/Option<ControlBinding>; /// Obtain the control-rate for this `self`. Audio processing `Element` /// objects will use this rate to sub-divide their processing loop and call /// `GstObjectExt::sync_values` in between. The length of the processing segment /// should be up to `control`-rate nanoseconds. /// /// If the `self` is not under property control, this will return /// `GST_CLOCK_TIME_NONE`. This allows the element to avoid the sub-dividing. /// /// The control-rate is not expected to change if the element is in /// `State::Paused` or `State::Playing`. /// /// # Returns /// /// the control rate in nanoseconds fn get_control_rate(&self) -> ClockTime; //fn get_g_value_array(&self, property_name: &str, timestamp: ClockTime, interval: ClockTime, values: /*Ignored*/&[&glib::Value]) -> bool; /// Returns a copy of the name of `self`. /// Caller should `g_free` the return value after usage. /// For a nameless object, this returns `None`, which you can safely `g_free` /// as well. /// /// Free-function: g_free /// /// # Returns /// /// the name of `self`. `g_free` /// after usage. /// /// MT safe. This function grabs and releases `self`'s LOCK. fn get_name(&self) -> GString; /// Returns the parent of `self`. This function increases the refcount /// of the parent object so you should `GstObjectExt::unref` it after usage. /// /// # Returns /// /// parent of `self`, this can be /// `None` if `self` has no parent. unref after usage. /// /// MT safe. Grabs and releases `self`'s LOCK. fn get_parent(&self) -> Option<Object>; /// Generates a string describing the path of `self` in /// the object hierarchy. Only useful (or used) for debugging. /// /// Free-function: g_free /// /// # Returns /// /// a string describing the path of `self`. You must /// `g_free` the string after usage. /// /// MT safe. Grabs and releases the `Object`'s LOCK for all objects /// in the hierarchy. fn get_path_string(&self) -> GString; //fn get_value(&self, property_name: &str, timestamp: ClockTime) -> /*Ignored*/Option<glib::Value>; //fn get_value_array(&self, property_name: &str, timestamp: ClockTime, interval: ClockTime, n_values: u32, values: /*Unimplemented*/Option<Fundamental: Pointer>) -> bool; /// Check if the `self` has active controlled properties. /// /// # Returns /// /// `true` if the object has active controlled properties fn has_active_control_bindings(&self) -> bool; /// Check if `self` has an ancestor `ancestor` somewhere up in /// the hierarchy. One can e.g. check if a `Element` is inside a `Pipeline`. /// /// # Deprecated /// /// Use `GstObjectExt::has_as_ancestor` instead. /// /// MT safe. Grabs and releases `self`'s locks. /// ## `ancestor` /// a `Object` to check as ancestor /// /// # Returns /// /// `true` if `ancestor` is an ancestor of `self`. fn has_ancestor<P: IsA<Object>>(&self, ancestor: &P) -> bool; /// Check if `self` has an ancestor `ancestor` somewhere up in /// the hierarchy. One can e.g. check if a `Element` is inside a `Pipeline`. /// ## `ancestor` /// a `Object` to check as ancestor /// /// # Returns /// /// `true` if `ancestor` is an ancestor of `self`. /// /// MT safe. Grabs and releases `self`'s locks. fn has_as_ancestor<P: IsA<Object>>(&self, ancestor: &P) -> bool; /// Check if `parent` is the parent of `self`. /// E.g. a `Element` can check if it owns a given `Pad`. /// ## `parent` /// a `Object` to check as parent /// /// # Returns /// /// `false` if either `self` or `parent` is `None`. `true` if `parent` is /// the parent of `self`. Otherwise `false`. /// /// MT safe. Grabs and releases `self`'s locks. fn has_as_parent<P: IsA<Object>>(&self, parent: &P) -> bool; //fn remove_control_binding(&self, binding: /*Ignored*/&ControlBinding) -> bool; /// This function is used to disable the control bindings on a property for /// some time, i.e. `GstObjectExt::sync_values` will do nothing for the /// property. /// ## `property_name` /// property to disable /// ## `disabled` /// boolean that specifies whether to disable the controller /// or not. fn set_control_binding_disabled(&self, property_name: &str, disabled: bool); /// This function is used to disable all controlled properties of the `self` for /// some time, i.e. `GstObjectExt::sync_values` will do nothing. /// ## `disabled` /// boolean that specifies whether to disable the controller /// or not. fn set_control_bindings_disabled(&self, disabled: bool); /// Change the control-rate for this `self`. Audio processing `Element` /// objects will use this rate to sub-divide their processing loop and call /// `GstObjectExt::sync_values` in between. The length of the processing segment /// should be up to `control`-rate nanoseconds. /// /// The control-rate should not change if the element is in `State::Paused` or /// `State::Playing`. /// ## `control_rate` /// the new control-rate in nanoseconds. fn set_control_rate(&self, control_rate: ClockTime); /// Sets the parent of `self` to `parent`. The object's reference count will /// be incremented, and any floating reference will be removed (see `Object::ref_sink`). /// ## `parent` /// new parent of object /// /// # Returns /// /// `true` if `parent` could be set or `false` when `self` /// already had a parent or `self` and `parent` are the same. /// /// MT safe. Grabs and releases `self`'s LOCK. fn set_parent<P: IsA<Object>>(&self, parent: &P) -> Result<(), glib::error::BoolError>; /// Returns a suggestion for timestamps where buffers should be split /// to get best controller results. /// /// # Returns /// /// Returns the suggested timestamp or `GST_CLOCK_TIME_NONE` /// if no control-rate was set. fn suggest_next_sync(&self) -> ClockTime; /// Sets the properties of the object, according to the `GstControlSources` that /// (maybe) handle them and for the given timestamp. /// /// If this function fails, it is most likely the application developers fault. /// Most probably the control sources are not setup correctly. /// ## `timestamp` /// the time that should be processed /// /// # Returns /// /// `true` if the controller values could be applied to the object /// properties, `false` otherwise fn sync_values(&self, timestamp: ClockTime) -> Result<(), glib::error::BoolError>; /// Clear the parent of `self`, removing the associated reference. /// This function decreases the refcount of `self`. /// /// MT safe. Grabs and releases `self`'s lock. fn unparent(&self); //fn connect_deep_notify<Unsupported or ignored types>(&self, f: F) -> SignalHandlerId; fn connect_property_parent_notify<F: Fn(&Self) + Send + Sync + 'static>( &self, f: F, ) -> SignalHandlerId; } impl<O: IsA<Object>> GstObjectExt for O { //fn add_control_binding(&self, binding: /*Ignored*/&ControlBinding) -> bool { // unsafe { TODO: call gst_sys:gst_object_add_control_binding() } //} fn default_error(&self, error: &glib::Error, debug: Option<&str>) { unsafe { gst_sys::gst_object_default_error( self.as_ref().to_glib_none().0, error.to_glib_none().0, debug.to_glib_none().0, ); } } //fn get_control_binding(&self, property_name: &str) -> /*Ignored*/Option<ControlBinding> { // unsafe { TODO: call gst_sys:gst_object_get_control_binding() } //} fn get_control_rate(&self) -> ClockTime { unsafe { from_glib(gst_sys::gst_object_get_control_rate( self.as_ref().to_glib_none().0, )) } } //fn get_g_value_array(&self, property_name: &str, timestamp: ClockTime, interval: ClockTime, values: /*Ignored*/&[&glib::Value]) -> bool { // unsafe { TODO: call gst_sys:gst_object_get_g_value_array() } //} fn get_name(&self) -> GString { unsafe { from_glib_full(gst_sys::gst_object_get_name(self.as_ref().to_glib_none().0)) } } fn get_parent(&self) -> Option<Object> { unsafe { from_glib_full(gst_sys::gst_object_get_parent( self.as_ref().to_glib_none().0, )) } } fn get_path_string(&self) -> GString { unsafe { from_glib_full(gst_sys::gst_object_get_path_string( self.as_ref().to_glib_none().0, )) } } //fn get_value(&self, property_name: &str, timestamp: ClockTime) -> /*Ignored*/Option<glib::Value> { // unsafe { TODO: call gst_sys:gst_object_get_value() } //} //fn get_value_array(&self, property_name: &str, timestamp: ClockTime, interval: ClockTime, n_values: u32, values: /*Unimplemented*/Option<Fundamental: Pointer>) -> bool { // unsafe { TODO: call gst_sys:gst_object_get_value_array() } //} fn has_active_control_bindings(&self) -> bool { unsafe { from_glib(gst_sys::gst_object_has_active_control_bindings( self.as_ref().to_glib_none().0, )) } } fn has_ancestor<P: IsA<Object>>(&self, ancestor: &P) -> bool { unsafe { from_glib(gst_sys::gst_object_has_ancestor( self.as_ref().to_glib_none().0, ancestor.as_ref().to_glib_none().0, )) } } fn has_as_ancestor<P: IsA<Object>>(&self, ancestor: &P) -> bool { unsafe { from_glib(gst_sys::gst_object_has_as_ancestor( self.as_ref().to_glib_none().0, ancestor.as_ref().to_glib_none().0, )) } } fn has_as_parent<P: IsA<Object>>(&self, parent: &P) -> bool { unsafe { from_glib(gst_sys::gst_object_has_as_parent( self.as_ref().to_glib_none().0, parent.as_ref().to_glib_none().0, )) } } //fn remove_control_binding(&self, binding: /*Ignored*/&ControlBinding) -> bool { // unsafe { TODO: call gst_sys:gst_object_remove_control_binding() } //} fn set_control_binding_disabled(&self, property_name: &str, disabled: bool) { unsafe { gst_sys::gst_object_set_control_binding_disabled( self.as_ref().to_glib_none().0, property_name.to_glib_none().0, disabled.to_glib(), ); } } fn set_control_bindings_disabled(&self, disabled: bool) { unsafe { gst_sys::gst_object_set_control_bindings_disabled( self.as_ref().to_glib_none().0, disabled.to_glib(), ); } } fn set_control_rate(&self, control_rate: ClockTime) { unsafe { gst_sys::gst_object_set_control_rate( self.as_ref().to_glib_none().0, control_rate.to_glib(), ); } } fn set_parent<P: IsA<Object>>(&self, parent: &P) -> Result<(), glib::error::BoolError> { unsafe { glib_result_from_gboolean!( gst_sys::gst_object_set_parent( self.as_ref().to_glib_none().0, parent.as_ref().to_glib_none().0 ), "Failed to set parent object" ) } } fn suggest_next_sync(&self) -> ClockTime { unsafe { from_glib(gst_sys::gst_object_suggest_next_sync( self.as_ref().to_glib_none().0, )) } } fn sync_values(&self, timestamp: ClockTime) -> Result<(), glib::error::BoolError> { unsafe { glib_result_from_gboolean!( gst_sys::gst_object_sync_values( self.as_ref().to_glib_none().0, timestamp.to_glib() ), "Failed to sync values" ) } } fn unparent(&self) { unsafe { gst_sys::gst_object_unparent(self.as_ref().to_glib_none().0); } } //fn connect_deep_notify<Unsupported or ignored types>(&self, f: F) -> SignalHandlerId { // Ignored prop: GObject.ParamSpec //} fn connect_property_parent_notify<F: Fn(&Self) + Send + Sync + 'static>( &self, f: F, ) -> SignalHandlerId { unsafe extern "C" fn notify_parent_trampoline<P, F: Fn(&P) + Send + Sync + 'static>( this: *mut gst_sys::GstObject, _param_spec: glib_sys::gpointer, f: glib_sys::gpointer, ) where P: IsA<Object>, { let f: &F = &*(f as *const F); f(&Object::from_glib_borrow(this).unsafe_cast_ref()) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::parent\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_parent_trampoline::<Self, F> as *const (), )), Box_::into_raw(f), ) } } }