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/* GStreamer Tuner
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* tuner.h: tuner interface 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.
*/
#ifndef __GST_TUNER_H__
#define __GST_TUNER_H__
#include <gst/gst.h>
#include <gst/tuner/tunernorm.h>
#include <gst/tuner/tunerchannel.h>
G_BEGIN_DECLS
#define GST_TYPE_TUNER \
(gst_tuner_get_type ())
#define GST_TUNER(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER, GstTuner))
#define GST_TUNER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER, GstTunerClass))
#define GST_IS_TUNER(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER))
#define GST_IS_TUNER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER))
#define GST_TUNER_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_TUNER, GstTunerClass))
typedef struct _GstTuner GstTuner;
typedef struct _GstTunerClass {
GTypeInterface klass;
/* virtual functions */
const GList * (* list_channels) (GstTuner *tuner);
void (* set_channel) (GstTuner *tuner,
GstTunerChannel *channel);
GstTunerChannel *
(* get_channel) (GstTuner *tuner);
const GList * (* list_norms) (GstTuner *tuner);
void (* set_norm) (GstTuner *tuner,
GstTunerNorm *norm);
GstTunerNorm *(* get_norm) (GstTuner *tuner);
void (* set_frequency) (GstTuner *tuner,
GstTunerChannel *channel,
gulong frequency);
gulong (* get_frequency) (GstTuner *tuner,
GstTunerChannel *channel);
gint (* signal_strength) (GstTuner *tuner,
GstTunerChannel *channel);
/* signals */
void (*channel_changed) (GstTuner *tuner,
GstTunerChannel *channel);
void (*norm_changed) (GstTuner *tuner,
GstTunerNorm *norm);
void (*frequency_changed) (GstTuner *tuner,
GstTunerChannel *channel,
gulong frequency);
void (*signal_changed) (GstTuner *tuner,
GstTunerChannel *channel,
gint signal);
gpointer _gst_reserved[GST_PADDING];
} GstTunerClass;
GType gst_tuner_get_type (void);
/* virtual class function wrappers */
const GList * gst_tuner_list_channels (GstTuner *tuner);
void gst_tuner_set_channel (GstTuner *tuner,
GstTunerChannel *channel);
GstTunerChannel *
gst_tuner_get_channel (GstTuner *tuner);
const GList * gst_tuner_list_norms (GstTuner *tuner);
void gst_tuner_set_norm (GstTuner *tuner,
GstTunerNorm *channel);
GstTunerNorm * gst_tuner_get_norm (GstTuner *tuner);
void gst_tuner_set_frequency (GstTuner *tuner,
GstTunerChannel *channel,
gulong frequency);
gulong gst_tuner_get_frequency (GstTuner *tuner,
GstTunerChannel *channel);
gint gst_tuner_signal_strength (GstTuner *tuner,
GstTunerChannel *channel);
/* helper functions */
GstTunerNorm * gst_tuner_find_norm_by_name (GstTuner *tuner,
gchar *norm);
GstTunerChannel *gst_tuner_find_channel_by_name (GstTuner *tuner,
gchar *channel);
/* trigger signals */
void gst_tuner_channel_changed (GstTuner *tuner,
GstTunerChannel *channel);
void gst_tuner_norm_changed (GstTuner *tuner,
GstTunerNorm *norm);
void gst_tuner_frequency_changed (GstTuner *tuner,
GstTunerChannel *channel,
gulong frequency);
void gst_tuner_signal_changed (GstTuner *tuner,
GstTunerChannel *channel,
gint signal);
G_END_DECLS
#endif /* __GST_TUNER_H__ */
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