/* GStreamer * * Copyright (C) 2003 Ronald Bultje * 2006 Edgard Lima * * 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 #include #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); \ } \ \ 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__ */