/usr/include/d/gtkd-3/gstreamer/StreamCollection.d is in libgstreamerd-3-dev 3.7.5-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This file is part of gtkD.
*
* gtkD is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version, with
* some exceptions, please read the COPYING file.
*
* gtkD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with gtkD; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage
module gstreamer.StreamCollection;
private import glib.ConstructionException;
private import glib.Str;
private import gobject.ObjectG;
private import gobject.ParamSpec;
private import gobject.Signals;
private import gstreamer.ObjectGst;
private import gstreamer.Stream;
private import gstreamer.c.functions;
public import gstreamer.c.types;
public import gstreamerc.gstreamertypes;
private import std.algorithm;
/**
* A collection of #GstStream that are available.
*
* A #GstStreamCollection will be provided by elements that can make those
* streams available. Applications can use the collection to show the user
* what streams are available by using %gst_stream_collection_get_stream()
*
* Once posted, a #GstStreamCollection is immutable. Updates are made by sending
* a new #GstStreamCollection message, which may or may not share some of
* the #GstStream objects from the collection it replaces. The receiver can check
* the sender of a stream collection message to know which collection is
* obsoleted.
*
* Several elements in a pipeline can provide #GstStreamCollection.
*
* Applications can activate streams from a collection by using the
* #GST_EVENT_SELECT_STREAMS event on a pipeline, bin or element.
*
* Since: 1.10
*/
public class StreamCollection : ObjectGst
{
/** the main Gtk struct */
protected GstStreamCollection* gstStreamCollection;
/** Get the main Gtk struct */
public GstStreamCollection* getStreamCollectionStruct(bool transferOwnership = false)
{
if (transferOwnership)
ownedRef = false;
return gstStreamCollection;
}
/** the main Gtk struct as a void* */
protected override void* getStruct()
{
return cast(void*)gstStreamCollection;
}
protected override void setStruct(GObject* obj)
{
gstStreamCollection = cast(GstStreamCollection*)obj;
super.setStruct(obj);
}
/**
* Sets our main struct and passes it to the parent class.
*/
public this (GstStreamCollection* gstStreamCollection, bool ownedRef = false)
{
this.gstStreamCollection = gstStreamCollection;
super(cast(GstObject*)gstStreamCollection, ownedRef);
}
/** */
public static GType getType()
{
return gst_stream_collection_get_type();
}
/**
* Create a new #GstStreamCollection.
*
* Params:
* upstreamId = The stream id of the parent stream
*
* Returns: The new #GstStreamCollection.
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(string upstreamId)
{
auto p = gst_stream_collection_new(Str.toStringz(upstreamId));
if(p is null)
{
throw new ConstructionException("null returned by new");
}
this(cast(GstStreamCollection*) p);
}
/**
* Add the given @stream to the @collection.
*
* Params:
* stream = the #GstStream to add
*
* Returns: %TRUE if the @stream was properly added, else %FALSE
*
* Since: 1.10
*/
public bool addStream(Stream stream)
{
return gst_stream_collection_add_stream(gstStreamCollection, (stream is null) ? null : stream.getStreamStruct()) != 0;
}
/**
* Get the number of streams this collection contains
*
* Returns: The number of streams that @collection contains
*
* Since: 1.10
*/
public uint getSize()
{
return gst_stream_collection_get_size(gstStreamCollection);
}
/**
* Retrieve the #GstStream with index @index from the collection.
*
* The caller should not modify the returned #GstStream
*
* Params:
* index = Index of the stream to retrieve
*
* Returns: A #GstStream
*
* Since: 1.10
*/
public Stream getStream(uint index)
{
auto p = gst_stream_collection_get_stream(gstStreamCollection, index);
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Stream)(cast(GstStream*) p);
}
/**
* Returns the upstream id of the @collection.
*
* Returns: The upstream id
*
* Since: 1.10
*/
public string getUpstreamId()
{
return Str.toString(gst_stream_collection_get_upstream_id(gstStreamCollection));
}
protected class OnStreamNotifyDelegateWrapper
{
void delegate(Stream, ParamSpec, StreamCollection) dlg;
gulong handlerId;
this(void delegate(Stream, ParamSpec, StreamCollection) dlg)
{
this.dlg = dlg;
onStreamNotifyListeners ~= this;
}
void remove(OnStreamNotifyDelegateWrapper source)
{
foreach(index, wrapper; onStreamNotifyListeners)
{
if (wrapper.handlerId == source.handlerId)
{
onStreamNotifyListeners[index] = null;
onStreamNotifyListeners = std.algorithm.remove(onStreamNotifyListeners, index);
break;
}
}
}
}
OnStreamNotifyDelegateWrapper[] onStreamNotifyListeners;
/** */
gulong addOnStreamNotify(void delegate(Stream, ParamSpec, StreamCollection) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0)
{
auto wrapper = new OnStreamNotifyDelegateWrapper(dlg);
wrapper.handlerId = Signals.connectData(
this,
"stream-notify",
cast(GCallback)&callBackStreamNotify,
cast(void*)wrapper,
cast(GClosureNotify)&callBackStreamNotifyDestroy,
connectFlags);
return wrapper.handlerId;
}
extern(C) static void callBackStreamNotify(GstStreamCollection* streamcollectionStruct, GstStream* object, GParamSpec* p0, OnStreamNotifyDelegateWrapper wrapper)
{
wrapper.dlg(ObjectG.getDObject!(Stream)(object), ObjectG.getDObject!(ParamSpec)(p0), wrapper.outer);
}
extern(C) static void callBackStreamNotifyDestroy(OnStreamNotifyDelegateWrapper wrapper, GClosure* closure)
{
wrapper.remove(wrapper);
}
}
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