1 /* GStreamer OSS4 mixer slider control
2 * Copyright (C) 2007-2008 Tim-Philipp Müller <tim centricular net>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #ifndef GST_OSS4_MIXER_SLIDER_H
21 #define GST_OSS4_MIXER_SLIDER_H
24 #include <gst/interfaces/mixer.h>
26 #include "oss4-mixer.h"
30 #define GST_TYPE_OSS4_MIXER_SLIDER (gst_oss4_mixer_slider_get_type())
31 #define GST_OSS4_MIXER_SLIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSS4_MIXER_SLIDER,GstOss4MixerSlider))
32 #define GST_OSS4_MIXER_SLIDER_CAST(obj) ((GstOss4MixerSlider *)(obj))
33 #define GST_OSS4_MIXER_SLIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSS4_MIXER_SLIDER,GstOss4MixerSliderClass))
34 #define GST_IS_OSS4_MIXER_SLIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSS4_MIXER_SLIDER))
35 #define GST_IS_OSS4_MIXER_SLIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSS4_MIXER_SLIDER))
37 typedef struct _GstOss4MixerSlider GstOss4MixerSlider;
38 typedef struct _GstOss4MixerSliderClass GstOss4MixerSliderClass;
40 struct _GstOss4MixerSlider {
41 GstMixerTrack mixer_track;
43 GstOss4MixerControl * mc;
44 GstOss4Mixer * mixer; /* the mixer we belong to (no ref taken) */
45 gint volumes[2]; /* left/mono, right */
48 struct _GstOss4MixerSliderClass {
49 GstMixerTrackClass mixer_track_class;
52 GType gst_oss4_mixer_slider_get_type (void);
54 GstMixerTrack * gst_oss4_mixer_slider_new (GstOss4Mixer * mixer, GstOss4MixerControl * mc);
56 gboolean gst_oss4_mixer_slider_get_volume (GstOss4MixerSlider * s, gint * volumes);
58 gboolean gst_oss4_mixer_slider_set_volume (GstOss4MixerSlider * s, const gint * volumes);
60 gboolean gst_oss4_mixer_slider_set_record (GstOss4MixerSlider * s, gboolean record);
62 gboolean gst_oss4_mixer_slider_set_mute (GstOss4MixerSlider * s, gboolean mute);
64 void gst_oss4_mixer_slider_process_change_unlocked (GstMixerTrack * track);
68 #endif /* GST_OSS4_MIXER_SLIDER_H */