diff options
Diffstat (limited to 'sys/v4l2/gstv4l2tuner.h')
| -rw-r--r-- | sys/v4l2/gstv4l2tuner.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/sys/v4l2/gstv4l2tuner.h b/sys/v4l2/gstv4l2tuner.h new file mode 100644 index 0000000..bf9ff94 --- /dev/null +++ b/sys/v4l2/gstv4l2tuner.h @@ -0,0 +1,193 @@ +/* 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__ */ |