gstreamer/sys/v4l2/tunernorm.c

111 lines
2.7 KiB
C

/* GStreamer Tuner
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* tunernorm.c: tuner norm object design
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tunernorm.h"
/**
* SECTION:gsttunernorm
* @short_description: Encapsulates information about the data format(s)
* for a #GstTunerChannel.
*
* <refsect2>
* <para>The #GstTunerNorm object is created by an element implementing the
* #GstTuner interface and encapsulates the selection of a capture/output format
* for a selected #GstTunerChannel.
* </para>
* </refsect2>
*/
enum
{
/* FILL ME */
LAST_SIGNAL
};
static void gst_tuner_norm_class_init (GstTunerNormClass * klass);
static void gst_tuner_norm_init (GstTunerNorm * norm);
static void gst_tuner_norm_dispose (GObject * object);
static GObjectClass *parent_class = NULL;
/*static guint signals[LAST_SIGNAL] = { 0 };*/
GType
gst_tuner_norm_get_type (void)
{
static GType gst_tuner_norm_type = 0;
if (!gst_tuner_norm_type) {
static const GTypeInfo tuner_norm_info = {
sizeof (GstTunerNormClass),
NULL,
NULL,
(GClassInitFunc) gst_tuner_norm_class_init,
NULL,
NULL,
sizeof (GstTunerNorm),
0,
(GInstanceInitFunc) gst_tuner_norm_init,
NULL
};
gst_tuner_norm_type =
g_type_register_static (G_TYPE_OBJECT,
"GstTunerNorm", &tuner_norm_info, 0);
}
return gst_tuner_norm_type;
}
static void
gst_tuner_norm_class_init (GstTunerNormClass * klass)
{
GObjectClass *object_klass = (GObjectClass *) klass;
parent_class = g_type_class_peek_parent (klass);
object_klass->dispose = gst_tuner_norm_dispose;
}
static void
gst_tuner_norm_init (GstTunerNorm * norm)
{
norm->label = NULL;
g_value_init (&norm->framerate, GST_TYPE_FRACTION);
}
static void
gst_tuner_norm_dispose (GObject * object)
{
GstTunerNorm *norm = GST_TUNER_NORM (object);
if (norm->label) {
g_free (norm->label);
norm->label = NULL;
}
if (parent_class->dispose)
parent_class->dispose (object);
}