GstBadAllocators-1.0.d.ts

/*
 * Type Definitions for Gjs (https://gjs.guide/)
 *
 * These type definitions are automatically generated, do not edit them by hand.
 * If you found a bug fix it in ts-for-gir itself or create a bug report on https://github.com/sammydre/ts-for-gjs
 */
/**
 * GstBadAllocators-1.0
 */

import type * as Gjs from './Gjs';
import type Gst from './Gst-1.0';
import type GObject from './GObject-2.0';
import type GLib from './GLib-2.0';
import type GModule from './GModule-2.0';

export namespace GstBadAllocators {

function is_phys_memory(mem: Gst.Memory): boolean
function phys_memory_get_phys_addr(mem: Gst.Memory): number
interface PhysMemoryAllocator_ConstructProps extends Gst.Allocator_ConstructProps {
}
class PhysMemoryAllocator {
    /* Fields of Gst-1.0.Gst.Allocator */
    object: Gst.Object
    mem_type: string
    /**
     * the implementation of the GstMemoryMapFunction
     */
    mem_map: Gst.MemoryMapFunction
    /**
     * the implementation of the GstMemoryUnmapFunction
     */
    mem_unmap: Gst.MemoryUnmapFunction
    /**
     * the implementation of the GstMemoryCopyFunction
     */
    mem_copy: Gst.MemoryCopyFunction
    /**
     * the implementation of the GstMemoryShareFunction
     */
    mem_share: Gst.MemoryShareFunction
    /**
     * the implementation of the GstMemoryIsSpanFunction
     */
    mem_is_span: Gst.MemoryIsSpanFunction
    /**
     * the implementation of the GstMemoryMapFullFunction.
     *      Will be used instead of `mem_map` if present. (Since: 1.6)
     */
    mem_map_full: Gst.MemoryMapFullFunction
    /**
     * the implementation of the GstMemoryUnmapFullFunction.
     *      Will be used instead of `mem_unmap` if present. (Since: 1.6)
     */
    mem_unmap_full: Gst.MemoryUnmapFullFunction
    /* Fields of Gst-1.0.Gst.Object */
    /**
     * object LOCK
     */
    lock: GLib.Mutex
    /**
     * The name of the object
     */
    name: string
    /**
     * this object's parent, weak ref
     */
    parent: Gst.Object
    /**
     * flags for this object
     */
    flags: number
    /* Fields of GObject-2.0.GObject.InitiallyUnowned */
    g_type_instance: GObject.TypeInstance
    /* Methods of Gst-1.0.Gst.Allocator */
    /**
     * Use `allocator` to allocate a new memory block with memory that is at least
     * `size` big.
     * 
     * The optional `params` can specify the prefix and padding for the memory. If
     * %NULL is passed, no flags, no extra prefix/padding and a default alignment is
     * used.
     * 
     * The prefix/padding will be filled with 0 if flags contains
     * #GST_MEMORY_FLAG_ZERO_PREFIXED and #GST_MEMORY_FLAG_ZERO_PADDED respectively.
     * 
     * When `allocator` is %NULL, the default allocator will be used.
     * 
     * The alignment in `params` is given as a bitmask so that `align` + 1 equals
     * the amount of bytes to align to. For example, to align to 8 bytes,
     * use an alignment of 7.
     * @param size size of the visible memory area
     * @param params optional parameters
     */
    alloc(size: number, params?: Gst.AllocationParams | null): Gst.Memory | null
    /**
     * Free `memory` that was previously allocated with gst_allocator_alloc().
     * @param memory the memory to free
     */
    free(memory: Gst.Memory): void
    /**
     * Set the default allocator.
     */
    set_default(): void
    /* Methods of Gst-1.0.Gst.Object */
    /**
     * Attach the #GstControlBinding to the object. If there already was a
     * #GstControlBinding for this property it will be replaced.
     * 
     * The object's reference count will be incremented, and any floating
     * reference will be removed (see gst_object_ref_sink())
     * @param binding the #GstControlBinding that should be used
     */
    add_control_binding(binding: Gst.ControlBinding): boolean
    /**
     * 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.
     * @param error the GError.
     * @param debug an additional debug information string, or %NULL
     */
    default_error(error: GLib.Error, debug?: string | null): void
    /**
     * Gets the corresponding #GstControlBinding for the property. This should be
     * unreferenced again after use.
     * @param property_name name of the property
     */
    get_control_binding(property_name: string): Gst.ControlBinding | null
    /**
     * Obtain the control-rate for this `object`. Audio processing #GstElement
     * objects will use this rate to sub-divide their processing loop and call
     * gst_object_sync_values() in between. The length of the processing segment
     * should be up to `control-rate` nanoseconds.
     * 
     * If the `object` 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
     * %GST_STATE_PAUSED or %GST_STATE_PLAYING.
     */
    get_control_rate(): Gst.ClockTime
    /**
     * Gets a number of #GValues for the given controlled property starting at the
     * requested time. The array `values` need to hold enough space for `n_values` of
     * #GValue.
     * 
     * This function is useful if one wants to e.g. draw a graph of the control
     * curve or apply a control curve sample by sample.
     * @param property_name the name of the property to get
     * @param timestamp the time that should be processed
     * @param interval the time spacing between subsequent values
     * @param values array to put control-values in
     */
    get_g_value_array(property_name: string, timestamp: Gst.ClockTime, interval: Gst.ClockTime, values: any[]): boolean
    /**
     * Returns a copy of the name of `object`.
     * Caller should g_free() the return value after usage.
     * For a nameless object, this returns %NULL, which you can safely g_free()
     * as well.
     * 
     * Free-function: g_free
     */
    get_name(): string | null
    /**
     * Returns the parent of `object`. This function increases the refcount
     * of the parent object so you should gst_object_unref() it after usage.
     */
    get_parent(): Gst.Object | null
    /**
     * Generates a string describing the path of `object` in
     * the object hierarchy. Only useful (or used) for debugging.
     * 
     * Free-function: g_free
     */
    get_path_string(): string
    /**
     * Gets the value for the given controlled property at the requested time.
     * @param property_name the name of the property to get
     * @param timestamp the time the control-change should be read from
     */
    get_value(property_name: string, timestamp: Gst.ClockTime): any | null
    /**
     * Check if the `object` has active controlled properties.
     */
    has_active_control_bindings(): boolean
    /**
     * Check if `object` has an ancestor `ancestor` somewhere up in
     * the hierarchy. One can e.g. check if a #GstElement is inside a #GstPipeline.
     * @param ancestor a #GstObject to check as ancestor
     */
    has_ancestor(ancestor: Gst.Object): boolean
    /**
     * Check if `object` has an ancestor `ancestor` somewhere up in
     * the hierarchy. One can e.g. check if a #GstElement is inside a #GstPipeline.
     * @param ancestor a #GstObject to check as ancestor
     */
    has_as_ancestor(ancestor: Gst.Object): boolean
    /**
     * Check if `parent` is the parent of `object`.
     * E.g. a #GstElement can check if it owns a given #GstPad.
     * @param parent a #GstObject to check as parent
     */
    has_as_parent(parent: Gst.Object): boolean
    /**
     * Increments the reference count on `object`. This function
     * does not take the lock on `object` because it relies on
     * atomic refcounting.
     * 
     * This object returns the input parameter to ease writing
     * constructs like :
     *  result = gst_object_ref (object->parent);
     */
    ref(): Gst.Object
    /**
     * Removes the corresponding #GstControlBinding. If it was the
     * last ref of the binding, it will be disposed.
     * @param binding the binding
     */
    remove_control_binding(binding: Gst.ControlBinding): boolean
    /**
     * This function is used to disable the control bindings on a property for
     * some time, i.e. gst_object_sync_values() will do nothing for the
     * property.
     * @param property_name property to disable
     * @param disabled boolean that specifies whether to disable the controller or not.
     */
    set_control_binding_disabled(property_name: string, disabled: boolean): void
    /**
     * This function is used to disable all controlled properties of the `object` for
     * some time, i.e. gst_object_sync_values() will do nothing.
     * @param disabled boolean that specifies whether to disable the controller or not.
     */
    set_control_bindings_disabled(disabled: boolean): void
    /**
     * Change the control-rate for this `object`. Audio processing #GstElement
     * objects will use this rate to sub-divide their processing loop and call
     * gst_object_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 %GST_STATE_PAUSED or
     * %GST_STATE_PLAYING.
     * @param control_rate the new control-rate in nanoseconds.
     */
    set_control_rate(control_rate: Gst.ClockTime): void
    /**
     * Sets the name of `object,` or gives `object` a guaranteed unique
     * name (if `name` is %NULL).
     * This function makes a copy of the provided name, so the caller
     * retains ownership of the name it sent.
     * @param name new name of object
     */
    set_name(name?: string | null): boolean
    /**
     * Sets the parent of `object` to `parent`. The object's reference count will
     * be incremented, and any floating reference will be removed (see gst_object_ref_sink()).
     * @param parent new parent of object
     */
    set_parent(parent: Gst.Object): boolean
    /**
     * Returns a suggestion for timestamps where buffers should be split
     * to get best controller results.
     */
    suggest_next_sync(): Gst.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.
     * @param timestamp the time that should be processed
     */
    sync_values(timestamp: Gst.ClockTime): boolean
    /**
     * Clear the parent of `object,` removing the associated reference.
     * This function decreases the refcount of `object`.
     * 
     * MT safe. Grabs and releases `object'`s lock.
     */
    unparent(): void
    /**
     * Decrements the reference count on `object`.  If reference count hits
     * zero, destroy `object`. This function does not take the lock
     * on `object` as it relies on atomic refcounting.
     * 
     * The unref method should never be called with the LOCK held since
     * this might deadlock the dispose function.
     */
    unref(): void
    /* Methods of GObject-2.0.GObject.Object */
    /**
     * Creates a binding between `source_property` on `source` and `target_property`
     * on `target`.
     * 
     * Whenever the `source_property` is changed the `target_property` is
     * updated using the same value. For instance:
     * 
     * 
     * ```c
     *   g_object_bind_property (action, "active", widget, "sensitive", 0);
     * ```
     * 
     * 
     * Will result in the "sensitive" property of the widget #GObject instance to be
     * updated with the same value of the "active" property of the action #GObject
     * instance.
     * 
     * If `flags` contains %G_BINDING_BIDIRECTIONAL then the binding will be mutual:
     * if `target_property` on `target` changes then the `source_property` on `source`
     * will be updated as well.
     * 
     * The binding will automatically be removed when either the `source` or the
     * `target` instances are finalized. To remove the binding without affecting the
     * `source` and the `target` you can just call g_object_unref() on the returned
     * #GBinding instance.
     * 
     * Removing the binding by calling g_object_unref() on it must only be done if
     * the binding, `source` and `target` are only used from a single thread and it
     * is clear that both `source` and `target` outlive the binding. Especially it
     * is not safe to rely on this if the binding, `source` or `target` can be
     * finalized from different threads. Keep another reference to the binding and
     * use g_binding_unbind() instead to be on the safe side.
     * 
     * A #GObject can have multiple bindings.
     * @param source_property the property on `source` to bind
     * @param target the target #GObject
     * @param target_property the property on `target` to bind
     * @param flags flags to pass to #GBinding
     */
    bind_property(source_property: string, target: GObject.Object, target_property: string, flags: GObject.BindingFlags): GObject.Binding
    /**
     * Creates a binding between `source_property` on `source` and `target_property`
     * on `target,` allowing you to set the transformation functions to be used by
     * the binding.
     * 
     * This function is the language bindings friendly version of
     * g_object_bind_property_full(), using #GClosures instead of
     * function pointers.
     * @param source_property the property on `source` to bind
     * @param target the target #GObject
     * @param target_property the property on `target` to bind
     * @param flags flags to pass to #GBinding
     * @param transform_to a #GClosure wrapping the transformation function     from the `source` to the `target,` or %NULL to use the default
     * @param transform_from a #GClosure wrapping the transformation function     from the `target` to the `source,` or %NULL to use the default
     */
    bind_property_full(source_property: string, target: GObject.Object, target_property: string, flags: GObject.BindingFlags, transform_to: Function, transform_from: Function): GObject.Binding
    /**
     * This function is intended for #GObject implementations to re-enforce
     * a [floating][floating-ref] object reference. Doing this is seldom
     * required: all #GInitiallyUnowneds are created with a floating reference
     * which usually just needs to be sunken by calling g_object_ref_sink().
     */
    force_floating(): void
    /**
     * Increases the freeze count on `object`. If the freeze count is
     * non-zero, the emission of "notify" signals on `object` is
     * stopped. The signals are queued until the freeze count is decreased
     * to zero. Duplicate notifications are squashed so that at most one
     * #GObject::notify signal is emitted for each property modified while the
     * object is frozen.
     * 
     * This is necessary for accessors that modify multiple properties to prevent
     * premature notification while the object is still being modified.
     */
    freeze_notify(): void
    /**
     * Gets a named field from the objects table of associations (see g_object_set_data()).
     * @param key name of the key for that association
     */
    get_data(key: string): object | null
    /**
     * Gets a property of an object.
     * 
     * The `value` can be:
     * 
     *  - an empty #GValue initialized by %G_VALUE_INIT, which will be
     *    automatically initialized with the expected type of the property
     *    (since GLib 2.60)
     *  - a #GValue initialized with the expected type of the property
     *  - a #GValue initialized with a type to which the expected type
     *    of the property can be transformed
     * 
     * In general, a copy is made of the property contents and the caller is
     * responsible for freeing the memory by calling g_value_unset().
     * 
     * Note that g_object_get_property() is really intended for language
     * bindings, g_object_get() is much more convenient for C programming.
     * @param property_name the name of the property to get
     * @param value return location for the property value
     */
    get_property(property_name: string, value: any): void
    /**
     * This function gets back user data pointers stored via
     * g_object_set_qdata().
     * @param quark A #GQuark, naming the user data pointer
     */
    get_qdata(quark: GLib.Quark): object | null
    /**
     * Gets `n_properties` properties for an `object`.
     * Obtained properties will be set to `values`. All properties must be valid.
     * Warnings will be emitted and undefined behaviour may result if invalid
     * properties are passed in.
     * @param names the names of each property to get
     * @param values the values of each property to get
     */
    getv(names: string[], values: any[]): void
    /**
     * Checks whether `object` has a [floating][floating-ref] reference.
     */
    is_floating(): boolean
    /**
     * Emits a "notify" signal for the property `property_name` on `object`.
     * 
     * When possible, eg. when signaling a property change from within the class
     * that registered the property, you should use g_object_notify_by_pspec()
     * instead.
     * 
     * Note that emission of the notify signal may be blocked with
     * g_object_freeze_notify(). In this case, the signal emissions are queued
     * and will be emitted (in reverse order) when g_object_thaw_notify() is
     * called.
     * @param property_name the name of a property installed on the class of `object`.
     */
    notify(property_name: string): void
    /**
     * Emits a "notify" signal for the property specified by `pspec` on `object`.
     * 
     * This function omits the property name lookup, hence it is faster than
     * g_object_notify().
     * 
     * One way to avoid using g_object_notify() from within the
     * class that registered the properties, and using g_object_notify_by_pspec()
     * instead, is to store the GParamSpec used with
     * g_object_class_install_property() inside a static array, e.g.:
     * 
     * 
     * ```c
     *   enum
     *   {
     *     PROP_0,
     *     PROP_FOO,
     *     PROP_LAST
     *   };
     * 
     *   static GParamSpec *properties[PROP_LAST];
     * 
     *   static void
     *   my_object_class_init (MyObjectClass *klass)
     *   {
     *     properties[PROP_FOO] = g_param_spec_int ("foo", "Foo", "The foo",
     *                                              0, 100,
     *                                              50,
     *                                              G_PARAM_READWRITE);
     *     g_object_class_install_property (gobject_class,
     *                                      PROP_FOO,
     *                                      properties[PROP_FOO]);
     *   }
     * ```
     * 
     * 
     * and then notify a change on the "foo" property with:
     * 
     * 
     * ```c
     *   g_object_notify_by_pspec (self, properties[PROP_FOO]);
     * ```
     * 
     * @param pspec the #GParamSpec of a property installed on the class of `object`.
     */
    notify_by_pspec(pspec: GObject.ParamSpec): void
    /**
     * Increases the reference count of `object`.
     * 
     * Since GLib 2.56, if `GLIB_VERSION_MAX_ALLOWED` is 2.56 or greater, the type
     * of `object` will be propagated to the return type (using the GCC typeof()
     * extension), so any casting the caller needs to do on the return type must be
     * explicit.
     */
    ref(): GObject.Object
    /**
     * Increase the reference count of `object,` and possibly remove the
     * [floating][floating-ref] reference, if `object` has a floating reference.
     * 
     * In other words, if the object is floating, then this call "assumes
     * ownership" of the floating reference, converting it to a normal
     * reference by clearing the floating flag while leaving the reference
     * count unchanged.  If the object is not floating, then this call
     * adds a new normal reference increasing the reference count by one.
     * 
     * Since GLib 2.56, the type of `object` will be propagated to the return type
     * under the same conditions as for g_object_ref().
     */
    ref_sink(): GObject.Object
    /**
     * Releases all references to other objects. This can be used to break
     * reference cycles.
     * 
     * This function should only be called from object system implementations.
     */
    run_dispose(): void
    /**
     * Each object carries around a table of associations from
     * strings to pointers.  This function lets you set an association.
     * 
     * If the object already had an association with that name,
     * the old association will be destroyed.
     * 
     * Internally, the `key` is converted to a #GQuark using g_quark_from_string().
     * This means a copy of `key` is kept permanently (even after `object` has been
     * finalized) — so it is recommended to only use a small, bounded set of values
     * for `key` in your program, to avoid the #GQuark storage growing unbounded.
     * @param key name of the key
     * @param data data to associate with that key
     */
    set_data(key: string, data?: object | null): void
    /**
     * Sets a property on an object.
     * @param property_name the name of the property to set
     * @param value the value
     */
    set_property(property_name: string, value: any): void
    /**
     * Remove a specified datum from the object's data associations,
     * without invoking the association's destroy handler.
     * @param key name of the key
     */
    steal_data(key: string): object | null
    /**
     * This function gets back user data pointers stored via
     * g_object_set_qdata() and removes the `data` from object
     * without invoking its destroy() function (if any was
     * set).
     * Usually, calling this function is only required to update
     * user data pointers with a destroy notifier, for example:
     * 
     * ```c
     * void
     * object_add_to_user_list (GObject     *object,
     *                          const gchar *new_string)
     * {
     *   // the quark, naming the object data
     *   GQuark quark_string_list = g_quark_from_static_string ("my-string-list");
     *   // retrieve the old string list
     *   GList *list = g_object_steal_qdata (object, quark_string_list);
     * 
     *   // prepend new string
     *   list = g_list_prepend (list, g_strdup (new_string));
     *   // this changed 'list', so we need to set it again
     *   g_object_set_qdata_full (object, quark_string_list, list, free_string_list);
     * }
     * static void
     * free_string_list (gpointer data)
     * {
     *   GList *node, *list = data;
     * 
     *   for (node = list; node; node = node->next)
     *     g_free (node->data);
     *   g_list_free (list);
     * }
     * ```
     * 
     * Using g_object_get_qdata() in the above example, instead of
     * g_object_steal_qdata() would have left the destroy function set,
     * and thus the partial string list would have been freed upon
     * g_object_set_qdata_full().
     * @param quark A #GQuark, naming the user data pointer
     */
    steal_qdata(quark: GLib.Quark): object | null
    /**
     * Reverts the effect of a previous call to
     * g_object_freeze_notify(). The freeze count is decreased on `object`
     * and when it reaches zero, queued "notify" signals are emitted.
     * 
     * Duplicate notifications for each property are squashed so that at most one
     * #GObject::notify signal is emitted for each property, in the reverse order
     * in which they have been queued.
     * 
     * It is an error to call this function when the freeze count is zero.
     */
    thaw_notify(): void
    /**
     * This function essentially limits the life time of the `closure` to
     * the life time of the object. That is, when the object is finalized,
     * the `closure` is invalidated by calling g_closure_invalidate() on
     * it, in order to prevent invocations of the closure with a finalized
     * (nonexisting) object. Also, g_object_ref() and g_object_unref() are
     * added as marshal guards to the `closure,` to ensure that an extra
     * reference count is held on `object` during invocation of the
     * `closure`.  Usually, this function will be called on closures that
     * use this `object` as closure data.
     * @param closure #GClosure to watch
     */
    watch_closure(closure: Function): void
    /* Virtual methods of GstBadAllocators-1.0.GstBadAllocators.PhysMemoryAllocator */
    vfunc_get_phys_addr(mem: Gst.Memory): number
    /* Virtual methods of Gst-1.0.Gst.Allocator */
    /**
     * Use `allocator` to allocate a new memory block with memory that is at least
     * `size` big.
     * 
     * The optional `params` can specify the prefix and padding for the memory. If
     * %NULL is passed, no flags, no extra prefix/padding and a default alignment is
     * used.
     * 
     * The prefix/padding will be filled with 0 if flags contains
     * #GST_MEMORY_FLAG_ZERO_PREFIXED and #GST_MEMORY_FLAG_ZERO_PADDED respectively.
     * 
     * When `allocator` is %NULL, the default allocator will be used.
     * 
     * The alignment in `params` is given as a bitmask so that `align` + 1 equals
     * the amount of bytes to align to. For example, to align to 8 bytes,
     * use an alignment of 7.
     * @param size size of the visible memory area
     * @param params optional parameters
     */
    vfunc_alloc(size: number, params?: Gst.AllocationParams | null): Gst.Memory | null
    /**
     * Free `memory` that was previously allocated with gst_allocator_alloc().
     * @param memory the memory to free
     */
    vfunc_free(memory: Gst.Memory): void
    /* Virtual methods of Gst-1.0.Gst.Object */
    vfunc_deep_notify(orig: Gst.Object, pspec: GObject.ParamSpec): void
    /* Virtual methods of GObject-2.0.GObject.Object */
    vfunc_constructed(): void
    vfunc_dispatch_properties_changed(n_pspecs: number, pspecs: GObject.ParamSpec): void
    vfunc_dispose(): void
    vfunc_finalize(): void
    vfunc_get_property(property_id: number, value: any, pspec: GObject.ParamSpec): void
    /**
     * Emits a "notify" signal for the property `property_name` on `object`.
     * 
     * When possible, eg. when signaling a property change from within the class
     * that registered the property, you should use g_object_notify_by_pspec()
     * instead.
     * 
     * Note that emission of the notify signal may be blocked with
     * g_object_freeze_notify(). In this case, the signal emissions are queued
     * and will be emitted (in reverse order) when g_object_thaw_notify() is
     * called.
     * @param pspec 
     */
    vfunc_notify(pspec: GObject.ParamSpec): void
    vfunc_set_property(property_id: number, value: any, pspec: GObject.ParamSpec): void
    /* Signals of Gst-1.0.Gst.Object */
    /**
     * The deep notify signal is used to be notified of property changes. It is
     * typically attached to the toplevel bin to receive notifications from all
     * the elements contained in that bin.
     * @param prop_object the object that originated the signal
     * @param prop the property that changed
     */
    connect(sigName: "deep-notify", callback: (($obj: PhysMemoryAllocator, prop_object: Gst.Object, prop: GObject.ParamSpec) => void)): number
    connect_after(sigName: "deep-notify", callback: (($obj: PhysMemoryAllocator, prop_object: Gst.Object, prop: GObject.ParamSpec) => void)): number
    emit(sigName: "deep-notify", prop_object: Gst.Object, prop: GObject.ParamSpec): void
    /* Signals of GObject-2.0.GObject.Object */
    /**
     * The notify signal is emitted on an object when one of its properties has
     * its value set through g_object_set_property(), g_object_set(), et al.
     * 
     * Note that getting this signal doesn’t itself guarantee that the value of
     * the property has actually changed. When it is emitted is determined by the
     * derived GObject class. If the implementor did not create the property with
     * %G_PARAM_EXPLICIT_NOTIFY, then any call to g_object_set_property() results
     * in ::notify being emitted, even if the new value is the same as the old.
     * If they did pass %G_PARAM_EXPLICIT_NOTIFY, then this signal is emitted only
     * when they explicitly call g_object_notify() or g_object_notify_by_pspec(),
     * and common practice is to do that only when the value has actually changed.
     * 
     * This signal is typically used to obtain change notification for a
     * single property, by specifying the property name as a detail in the
     * g_signal_connect() call, like this:
     * 
     * 
     * ```c
     * g_signal_connect (text_view->buffer, "notify::paste-target-list",
     *                   G_CALLBACK (gtk_text_view_target_list_notify),
     *                   text_view)
     * ```
     * 
     * 
     * It is important to note that you must use
     * [canonical parameter names][canonical-parameter-names] as
     * detail strings for the notify signal.
     * @param pspec the #GParamSpec of the property which changed.
     */
    connect(sigName: "notify", callback: (($obj: PhysMemoryAllocator, pspec: GObject.ParamSpec) => void)): number
    connect_after(sigName: "notify", callback: (($obj: PhysMemoryAllocator, pspec: GObject.ParamSpec) => void)): number
    emit(sigName: "notify", pspec: GObject.ParamSpec): void
    connect(sigName: string, callback: any): number
    connect_after(sigName: string, callback: any): number
    emit(sigName: string, ...args: any[]): void
    disconnect(id: number): void
    static name: string
    constructor (config?: PhysMemoryAllocator_ConstructProps)
    _init (config?: PhysMemoryAllocator_ConstructProps): void
    static $gtype: GObject.Type
}
abstract class PhysMemoryAllocatorInterface {
    /* Fields of GstBadAllocators-1.0.GstBadAllocators.PhysMemoryAllocatorInterface */
    parent_iface: GObject.TypeInterface
    get_phys_addr: (allocator: PhysMemoryAllocator, mem: Gst.Memory) => number
    static name: string
}
}
export default GstBadAllocators;