3 * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
4 * 2006 Edgard Lima <edgard.lima@indt.org.br>
6 * gstv4l2tuner.h: tuner interface implementation for V4L2
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #ifndef __GST_V4L2_TUNER_H__
25 #define __GST_V4L2_TUNER_H__
28 #include <gst/interfaces/tuner.h>
30 #include "gstv4l2object.h"
34 #define GST_TYPE_V4L2_TUNER_CHANNEL \
35 (gst_v4l2_tuner_channel_get_type ())
36 #define GST_V4L2_TUNER_CHANNEL(obj) \
37 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_CHANNEL, \
39 #define GST_V4L2_TUNER_CHANNEL_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_CHANNEL, \
41 GstV4l2TunerChannelClass))
42 #define GST_IS_V4L2_TUNER_CHANNEL(obj) \
43 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_CHANNEL))
44 #define GST_IS_V4L2_TUNER_CHANNEL_CLASS(klass) \
45 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_CHANNEL))
47 typedef struct _GstV4l2TunerChannel {
48 GstTunerChannel parent;
53 } GstV4l2TunerChannel;
55 typedef struct _GstV4l2TunerChannelClass {
56 GstTunerChannelClass parent;
57 } GstV4l2TunerChannelClass;
59 #define GST_TYPE_V4L2_TUNER_NORM \
60 (gst_v4l2_tuner_norm_get_type ())
61 #define GST_V4L2_TUNER_NORM(obj) \
62 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_V4L2_TUNER_NORM, \
64 #define GST_V4L2_TUNER_NORM_CLASS(klass) \
65 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_V4L2_TUNER_NORM, \
66 GstV4l2TunerNormClass))
67 #define GST_IS_V4L2_TUNER_NORM(obj) \
68 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_V4L2_TUNER_NORM))
69 #define GST_IS_V4L2_TUNER_NORM_CLASS(klass) \
70 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_V4L2_TUNER_NORM))
72 typedef struct _GstV4l2TunerNorm {
78 typedef struct _GstV4l2TunerNormClass {
79 GstTunerNormClass parent;
80 } GstV4l2TunerNormClass;
82 GType gst_v4l2_tuner_channel_get_type (void);
83 GType gst_v4l2_tuner_norm_get_type (void);
86 const GList* gst_v4l2_tuner_list_channels (GstV4l2Object * v4l2object);
87 void gst_v4l2_tuner_set_channel_and_notify (GstV4l2Object * v4l2object,
88 GstTunerChannel * channel);
89 GstTunerChannel* gst_v4l2_tuner_get_channel (GstV4l2Object * v4l2object);
90 gboolean gst_v4l2_tuner_set_channel (GstV4l2Object * v4l2object,
91 GstTunerChannel * channel);
93 const GList* gst_v4l2_tuner_list_norms (GstV4l2Object * v4l2object);
94 void gst_v4l2_tuner_set_norm_and_notify (GstV4l2Object * v4l2object,
96 GstTunerNorm* gst_v4l2_tuner_get_norm (GstV4l2Object * v4l2object);
97 gboolean gst_v4l2_tuner_set_norm (GstV4l2Object * v4l2object,
100 void gst_v4l2_tuner_set_frequency_and_notify (GstV4l2Object * v4l2object,
101 GstTunerChannel * channel,
103 gint gst_v4l2_tuner_signal_strength (GstV4l2Object * v4l2object,
104 GstTunerChannel * channel);
105 gulong gst_v4l2_tuner_get_frequency (GstV4l2Object * v4l2object,
106 GstTunerChannel * channel);
107 gboolean gst_v4l2_tuner_set_frequency (GstV4l2Object * v4l2object,
108 GstTunerChannel * channel,
111 #define GST_IMPLEMENT_V4L2_TUNER_METHODS(Type, interface_as_function) \
113 static const GList * \
114 interface_as_function ## _tuner_list_channels (GstTuner * mixer) \
116 Type *this = (Type*) mixer; \
117 return gst_v4l2_tuner_list_channels (this->v4l2object); \
121 interface_as_function ## _tuner_set_channel_and_notify (GstTuner * mixer, \
122 GstTunerChannel * channel) \
124 Type *this = (Type*) mixer; \
125 gst_v4l2_tuner_set_channel_and_notify (this->v4l2object, channel); \
127 static GstTunerChannel * \
128 interface_as_function ## _tuner_get_channel (GstTuner * mixer) \
130 Type *this = (Type*) mixer; \
131 return gst_v4l2_tuner_get_channel (this->v4l2object); \
133 static const GList * \
134 interface_as_function ## _tuner_list_norms (GstTuner * mixer) \
136 Type *this = (Type*) mixer; \
137 return gst_v4l2_tuner_list_norms (this->v4l2object); \
140 interface_as_function ## _tuner_set_norm_and_notify (GstTuner * mixer, \
141 GstTunerNorm * norm) \
143 Type *this = (Type*) mixer; \
144 gst_v4l2_tuner_set_norm_and_notify (this->v4l2object, norm); \
146 static GstTunerNorm * \
147 interface_as_function ## _tuner_get_norm (GstTuner * mixer) \
149 Type *this = (Type*) mixer; \
150 return gst_v4l2_tuner_get_norm (this->v4l2object); \
154 interface_as_function ## _tuner_set_frequency_and_notify (GstTuner * mixer, \
155 GstTunerChannel * channel, \
158 Type *this = (Type*) mixer; \
159 gst_v4l2_tuner_set_frequency_and_notify (this->v4l2object, channel, frequency); \
163 interface_as_function ## _tuner_get_frequency (GstTuner * mixer, \
164 GstTunerChannel * channel) \
166 Type *this = (Type*) mixer; \
167 return gst_v4l2_tuner_get_frequency (this->v4l2object, channel); \
171 interface_as_function ## _tuner_signal_strength (GstTuner * mixer, \
172 GstTunerChannel * channel) \
174 Type *this = (Type*) mixer; \
175 return gst_v4l2_tuner_signal_strength (this->v4l2object, channel); \
179 interface_as_function ## _tuner_interface_init (GstTunerClass * klass) \
181 /* default virtual functions */ \
182 klass->list_channels = interface_as_function ## _tuner_list_channels; \
183 klass->set_channel = interface_as_function ## _tuner_set_channel_and_notify; \
184 klass->get_channel = interface_as_function ## _tuner_get_channel; \
186 klass->list_norms = interface_as_function ## _tuner_list_norms; \
187 klass->set_norm = interface_as_function ## _tuner_set_norm_and_notify; \
188 klass->get_norm = interface_as_function ## _tuner_get_norm; \
190 klass->set_frequency = interface_as_function ## _tuner_set_frequency_and_notify; \
191 klass->get_frequency = interface_as_function ## _tuner_get_frequency; \
192 klass->signal_strength = interface_as_function ## _tuner_signal_strength; \
195 #endif /* __GST_V4L2_TUNER_H__ */