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/* GStreamer
*
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* 2006 Edgard Lima <edgard.lima@indt.org.br>
*
* gstv4l2tuner.h: tuner interface implementation for V4L2
*
* 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.
*/
#ifndef __GST_V4L2_TUNER_H__
#define __GST_V4L2_TUNER_H__
#include <gst/gst.h>
#include <gst/interfaces/tuner.h>
#include "gstv4l2object.h"
G_BEGIN_DECLS
#define GST_TYPE_V4L2_TUNER_CHANNEL \
(gst_v4l2_tuner_channel_get_type ())
#define GST_V4L2_TUNER_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_CHANNEL, \
GstV4l2TunerChannel))
#define GST_V4L2_TUNER_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_CHANNEL, \
GstV4l2TunerChannelClass))
#define GST_IS_V4L2_TUNER_CHANNEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_CHANNEL))
#define GST_IS_V4L2_TUNER_CHANNEL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_CHANNEL))
typedef struct _GstV4l2TunerChannel {
GstTunerChannel parent;
guint32 index;
guint32 tuner;
guint32 audio;
} GstV4l2TunerChannel;
typedef struct _GstV4l2TunerChannelClass {
GstTunerChannelClass parent;
} GstV4l2TunerChannelClass;
#define GST_TYPE_V4L2_TUNER_NORM \
(gst_v4l2_tuner_norm_get_type ())
#define GST_V4L2_TUNER_NORM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_NORM, \
GstV4l2TunerNorm))
#define GST_V4L2_TUNER_NORM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_NORM, \
GstV4l2TunerNormClass))
#define GST_IS_V4L2_TUNER_NORM(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_NORM))
#define GST_IS_V4L2_TUNER_NORM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_NORM))
typedef struct _GstV4l2TunerNorm {
GstTunerNorm parent;
v4l2_std_id index;
} GstV4l2TunerNorm;
typedef struct _GstV4l2TunerNormClass {
GstTunerNormClass parent;
} GstV4l2TunerNormClass;
GType gst_v4l2_tuner_channel_get_type (void);
GType gst_v4l2_tuner_norm_get_type (void);
/* channels */
const GList* gst_v4l2_tuner_list_channels (GstV4l2Object * v4l2object);
GstTunerChannel* gst_v4l2_tuner_get_channel (GstV4l2Object * v4l2object);
gboolean gst_v4l2_tuner_set_channel (GstV4l2Object * v4l2object,
GstTunerChannel * channel);
/* norms */
const GList* gst_v4l2_tuner_list_norms (GstV4l2Object * v4l2object);
void gst_v4l2_tuner_set_norm_and_notify (GstV4l2Object * v4l2object,
GstTunerNorm * norm);
GstTunerNorm* gst_v4l2_tuner_get_norm (GstV4l2Object * v4l2object);
gboolean gst_v4l2_tuner_set_norm (GstV4l2Object * v4l2object,
GstTunerNorm * norm);
/* frequency */
void gst_v4l2_tuner_set_frequency_and_notify (GstV4l2Object * v4l2object,
GstTunerChannel * channel,
gulong frequency);
gint gst_v4l2_tuner_signal_strength (GstV4l2Object * v4l2object,
GstTunerChannel * channel);
gulong gst_v4l2_tuner_get_frequency (GstV4l2Object * v4l2object,
GstTunerChannel * channel);
gboolean gst_v4l2_tuner_set_frequency (GstV4l2Object * v4l2object,
GstTunerChannel * channel,
gulong frequency);
#define GST_IMPLEMENT_V4L2_TUNER_METHODS(Type, interface_as_function) \
\
static const GList * \
interface_as_function ## _tuner_list_channels (GstTuner * mixer) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_list_channels (this->v4l2object); \
} \
\
static void \
interface_as_function ## _tuner_set_channel (GstTuner * mixer, \
GstTunerChannel * channel) \
{ \
Type *this = (Type*) mixer; \
gst_v4l2_tuner_set_channel (this->v4l2object, channel); \
} \
static GstTunerChannel * \
interface_as_function ## _tuner_get_channel (GstTuner * mixer) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_get_channel (this->v4l2object); \
} \
static const GList * \
interface_as_function ## _tuner_list_norms (GstTuner * mixer) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_list_norms (this->v4l2object); \
} \
static void \
interface_as_function ## _tuner_set_norm_and_notify (GstTuner * mixer, \
GstTunerNorm * norm) \
{ \
Type *this = (Type*) mixer; \
gst_v4l2_tuner_set_norm_and_notify (this->v4l2object, norm); \
} \
static GstTunerNorm * \
interface_as_function ## _tuner_get_norm (GstTuner * mixer) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_get_norm (this->v4l2object); \
} \
\
static void \
interface_as_function ## _tuner_set_frequency_and_notify (GstTuner * mixer, \
GstTunerChannel * channel, \
gulong frequency) \
{ \
Type *this = (Type*) mixer; \
gst_v4l2_tuner_set_frequency_and_notify (this->v4l2object, channel, frequency); \
} \
\
static gulong \
interface_as_function ## _tuner_get_frequency (GstTuner * mixer, \
GstTunerChannel * channel) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_get_frequency (this->v4l2object, channel); \
} \
\
static gint \
interface_as_function ## _tuner_signal_strength (GstTuner * mixer, \
GstTunerChannel * channel) \
{ \
Type *this = (Type*) mixer; \
return gst_v4l2_tuner_signal_strength (this->v4l2object, channel); \
} \
\
static void \
interface_as_function ## _tuner_interface_init (GstTunerClass * klass) \
{ \
/* default virtual functions */ \
klass->list_channels = interface_as_function ## _tuner_list_channels; \
klass->set_channel = interface_as_function ## _tuner_set_channel; \
klass->get_channel = interface_as_function ## _tuner_get_channel; \
\
klass->list_norms = interface_as_function ## _tuner_list_norms; \
klass->set_norm = interface_as_function ## _tuner_set_norm_and_notify; \
klass->get_norm = interface_as_function ## _tuner_get_norm; \
\
klass->set_frequency = interface_as_function ## _tuner_set_frequency_and_notify; \
klass->get_frequency = interface_as_function ## _tuner_get_frequency; \
klass->signal_strength = interface_as_function ## _tuner_signal_strength; \
} \
#endif /* __GST_V4L2_TUNER_H__ */
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