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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
109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/* GStreamer Mixer
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* mixer.h: mixer 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_MIXER_H__
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#define __GST_MIXER_H__
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#include <gst/gst.h>
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#include <gst/mixer/mixertrack.h>
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G_BEGIN_DECLS
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#define GST_TYPE_MIXER \
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(gst_mixer_get_type ())
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#define GST_MIXER(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MIXER, GstMixer))
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#define GST_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MIXER, GstMixerClass))
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#define GST_IS_MIXER(obj) \
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(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MIXER))
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#define GST_IS_MIXER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MIXER))
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#define GST_MIXER_GET_CLASS(inst) \
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(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_MIXER, GstMixerClass))
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typedef struct _GstMixer GstMixer;
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typedef struct _GstMixerClass {
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GTypeInterface klass;
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/* virtual functions */
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const GList * (* list_tracks) (GstMixer *mixer);
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void (* set_volume) (GstMixer *mixer,
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GstMixerTrack *track,
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gint *volumes);
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void (* get_volume) (GstMixer *mixer,
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GstMixerTrack *track,
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gint *volumes);
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void (* set_mute) (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean mute);
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void (* set_record) (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean record);
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/* signals */
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void (* mute_toggled) (GstMixer *mixer,
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GstMixerTrack *channel,
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gboolean mute);
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void (* record_toggled) (GstMixer *mixer,
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GstMixerTrack *channel,
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gboolean record);
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void (* volume_changed) (GstMixer *mixer,
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GstMixerTrack *channel,
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gint *volumes);
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GST_CLASS_PADDING
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} GstMixerClass;
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GType gst_mixer_get_type (void);
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/* virtual class function wrappers */
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const GList * gst_mixer_list_tracks (GstMixer *mixer);
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void gst_mixer_set_volume (GstMixer *mixer,
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GstMixerTrack *track,
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gint *volumes);
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void gst_mixer_get_volume (GstMixer *mixer,
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GstMixerTrack *track,
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gint *volumes);
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void gst_mixer_set_mute (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean mute);
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void gst_mixer_set_record (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean record);
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/* trigger signals */
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void gst_mixer_mute_toggled (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean mute);
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void gst_mixer_record_toggled (GstMixer *mixer,
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GstMixerTrack *track,
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gboolean record);
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void gst_mixer_volume_changed (GstMixer *mixer,
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GstMixerTrack *track,
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gint *volumes);
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G_END_DECLS
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#endif /* __GST_MIXER_H__ */
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