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113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:ges-custom-timeline-source
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* @short_description: Convenience #GESTimelineSource
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*
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* #GESCustomTimelineSource allows creating #GESTimelineSource(s) without the
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* need to subclass.
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*
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* Its usage should be limited to testing and prototyping purposes.
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*/
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#include "ges-internal.h"
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#include "ges-custom-timeline-source.h"
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#include "ges-timeline-source.h"
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#include "ges-track-source.h"
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struct _GESCustomTimelineSourcePrivate
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{
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GESFillTrackObjectUserFunc filltrackobjectfunc;
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gpointer user_data;
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};
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G_DEFINE_TYPE (GESCustomTimelineSource, ges_custom_timeline_source,
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GES_TYPE_TIMELINE_SOURCE);
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static gboolean
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ges_custom_timeline_source_fill_track_object (GESTimelineObject * object,
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GESTrackObject * trobject, GstElement * gnlobj);
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static GESTrackObject *
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ges_custom_timeline_source_create_track_object (GESTimelineObject * obj,
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GESTrack * track)
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{
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return g_object_new (GES_TYPE_TRACK_SOURCE, NULL);
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}
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static void
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ges_custom_timeline_source_class_init (GESCustomTimelineSourceClass * klass)
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{
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GESTimelineObjectClass *tlobj_class = GES_TIMELINE_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GESCustomTimelineSourcePrivate));
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tlobj_class->fill_track_object = ges_custom_timeline_source_fill_track_object;
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tlobj_class->create_track_object =
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ges_custom_timeline_source_create_track_object;
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}
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static void
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ges_custom_timeline_source_init (GESCustomTimelineSource * self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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GES_TYPE_CUSTOM_TIMELINE_SOURCE, GESCustomTimelineSourcePrivate);
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}
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static gboolean
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ges_custom_timeline_source_fill_track_object (GESTimelineObject * object,
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GESTrackObject * trobject, GstElement * gnlobj)
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{
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gboolean res;
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GESCustomTimelineSourcePrivate *priv;
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GST_DEBUG ("Calling callback (timelineobj:%p, trackobj:%p, gnlobj:%p)",
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object, trobject, gnlobj);
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priv = GES_CUSTOM_TIMELINE_SOURCE (object)->priv;
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res = priv->filltrackobjectfunc (object, trobject, gnlobj, priv->user_data);
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GST_DEBUG ("Returning res:%d", res);
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return res;
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}
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/**
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* ges_custom_timeline_source_new:
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* @func: The #GESFillTrackObjectUserFunc that will be used to fill the track objects.
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* @user_data: a gpointer that will be used when @func is called.
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*
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* Creates a new #GESCustomTimelineSource.
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*
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* Returns: The new #GESCustomTimelineSource.
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*/
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GESCustomTimelineSource *
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ges_custom_timeline_source_new (GESFillTrackObjectUserFunc func,
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gpointer user_data)
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{
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GESCustomTimelineSource *src;
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src = g_object_new (GES_TYPE_CUSTOM_TIMELINE_SOURCE, NULL);
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src->priv->filltrackobjectfunc = func;
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src->priv->user_data = user_data;
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return src;
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}
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