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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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9bda5831b8
Original commit message from CVS: Move over from GstInterface to GstImplementsInterface. Also adds some signals to several interfaces
122 lines
4.2 KiB
C
122 lines
4.2 KiB
C
/* GStreamer Tuner
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* tuner.h: tuner interface design
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_TUNER_H__
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#define __GST_TUNER_H__
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#include <gst/gst.h>
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#include <gst/tuner/tunernorm.h>
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#include <gst/tuner/tunerchannel.h>
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G_BEGIN_DECLS
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#define GST_TYPE_TUNER \
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(gst_tuner_get_type ())
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#define GST_TUNER(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_TUNER, GstTuner))
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#define GST_TUNER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_TUNER, GstTunerClass))
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#define GST_IS_TUNER(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_TUNER))
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#define GST_IS_TUNER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_TUNER))
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#define GST_TUNER_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_TUNER, GstTunerClass))
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typedef struct _GstTuner GstTuner;
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typedef struct _GstTunerClass {
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GTypeInterface klass;
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/* virtual functions */
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const GList * (* list_channels) (GstTuner *tuner);
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void (* set_channel) (GstTuner *tuner,
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GstTunerChannel *channel);
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const GstTunerChannel *
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(* get_channel) (GstTuner *tuner);
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const GList * (* list_norms) (GstTuner *tuner);
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void (* set_norm) (GstTuner *tuner,
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GstTunerNorm *norm);
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const GstTunerNorm *
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(* get_norm) (GstTuner *tuner);
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void (* set_frequency) (GstTuner *tuner,
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GstTunerChannel *channel,
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gulong frequency);
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gulong (* get_frequency) (GstTuner *tuner,
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GstTunerChannel *channel);
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gint (* signal_strength) (GstTuner *tuner,
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GstTunerChannel *channel);
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/* signals */
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void (*channel_changed) (GstTuner *tuner,
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GstTunerChannel *channel);
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void (*norm_changed) (GstTuner *tuner,
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GstTunerNorm *norm);
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void (*frequency_changed) (GstTuner *tuner,
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GstTunerChannel *channel,
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gulong frequency);
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void (*signal_changed) (GstTuner *tuner,
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GstTunerChannel *channel,
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gint signal);
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GST_CLASS_PADDING
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} GstTunerClass;
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GType gst_tuner_get_type (void);
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/* virtual class function wrappers */
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const GList * gst_tuner_list_channels (GstTuner *tuner);
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void gst_tuner_set_channel (GstTuner *tuner,
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GstTunerChannel *channel);
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const GstTunerChannel *
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gst_tuner_get_channel (GstTuner *tuner);
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const GList * gst_tuner_list_norms (GstTuner *tuner);
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void gst_tuner_set_norm (GstTuner *tuner,
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GstTunerNorm *channel);
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const GstTunerNorm *
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gst_tuner_get_norm (GstTuner *tuner);
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void gst_tuner_set_frequency (GstTuner *tuner,
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GstTunerChannel *channel,
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gulong frequency);
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gulong gst_tuner_get_frequency (GstTuner *tuner,
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GstTunerChannel *channel);
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gint gst_tuner_signal_strength (GstTuner *tuner,
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GstTunerChannel *channel);
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/* trigger signals */
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void gst_tuner_channel_changed (GstTuner *tuner,
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GstTunerChannel *channel);
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void gst_tuner_norm_changed (GstTuner *tuner,
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GstTunerNorm *norm);
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void gst_tuner_frequency_changed (GstTuner *tuner,
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GstTunerChannel *channel,
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gulong frequency);
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void gst_tuner_signal_changed (GstTuner *tuner,
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GstTunerChannel *channel,
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gint signal);
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G_END_DECLS
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#endif /* __GST_TUNER_H__ */
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