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118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wim.taymans@chello.be>
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*
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* gsttask.c: Streaming tasks
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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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#include "gst_private.h"
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#include "gstinfo.h"
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#include "gsttask.h"
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static void gst_task_class_init (GstTaskClass * klass);
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static void gst_task_init (GstTask * sched);
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static void gst_task_dispose (GObject * object);
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static GstObjectClass *parent_class = NULL;
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GType
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gst_task_get_type (void)
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{
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static GType _gst_task_type = 0;
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if (!_gst_task_type) {
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static const GTypeInfo task_info = {
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sizeof (GstTaskClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_task_class_init,
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NULL,
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NULL,
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sizeof (GstTask),
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0,
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(GInstanceInitFunc) gst_task_init,
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NULL
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};
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_gst_task_type =
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g_type_register_static (GST_TYPE_OBJECT, "GstTask",
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&task_info, G_TYPE_FLAG_ABSTRACT);
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}
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return _gst_task_type;
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}
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static void
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gst_task_class_init (GstTaskClass * klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_OBJECT);
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_task_dispose);
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}
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static void
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gst_task_init (GstTask * sched)
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{
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}
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static void
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gst_task_dispose (GObject * object)
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{
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GstTask *task = GST_TASK (object);
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/* thse lists should all be NULL */
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GST_DEBUG ("task %p dispose", task);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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gboolean
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gst_task_start (GstTask * task)
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{
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GstTaskClass *tclass;
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gboolean result = FALSE;
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g_return_val_if_fail (GST_IS_TASK (task), result);
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tclass = GST_TASK_GET_CLASS (task);
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if (tclass->start)
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result = tclass->start (task);
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return result;
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}
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gboolean
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gst_task_stop (GstTask * task)
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{
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GstTaskClass *tclass;
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gboolean result = FALSE;
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g_return_val_if_fail (GST_IS_TASK (task), result);
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tclass = GST_TASK_GET_CLASS (task);
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if (tclass->stop)
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result = tclass->stop (task);
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return result;
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}
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