gstreamer/gst-libs/gst/interfaces/mixer.h
Marc-Andre Lureau 16b8bd4c49 gst-libs/gst/interfaces/mixer.h (mixer_type, option_changed, set_option, get_option, _gst_reserved):
Original commit message from CVS:
patch by: Marc-Andre Lureau <marcandre.lureau@gmail.com>
* gst-libs/gst/interfaces/mixer.h (mixer_type, option_changed,
set_option, get_option, _gst_reserved):
Revert reordering functions (keep ABI).
2007-05-18 15:10:08 +00:00

142 lines
5.7 KiB
C

/* GStreamer Mixer
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* mixer.h: mixer interface design
*
* 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_MIXER_H__
#define __GST_MIXER_H__
#include <gst/gst.h>
#include <gst/interfaces/mixeroptions.h>
#include <gst/interfaces/mixertrack.h>
#include <gst/interfaces/interfaces-enumtypes.h>
G_BEGIN_DECLS
#define GST_TYPE_MIXER \
(gst_mixer_get_type ())
#define GST_MIXER(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MIXER, GstMixer))
#define GST_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MIXER, GstMixerClass))
#define GST_IS_MIXER(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MIXER))
#define GST_IS_MIXER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MIXER))
#define GST_MIXER_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_MIXER, GstMixerClass))
#define GST_MIXER_TYPE(klass) (klass->mixer_type)
typedef struct _GstMixer GstMixer;
typedef struct _GstMixerClass GstMixerClass;
typedef enum
{
GST_MIXER_HARDWARE,
GST_MIXER_SOFTWARE
} GstMixerType;
struct _GstMixerClass {
GTypeInterface klass;
GstMixerType mixer_type;
/* virtual functions */
const GList * (* list_tracks) (GstMixer *mixer);
void (* set_volume) (GstMixer *mixer,
GstMixerTrack *track,
gint *volumes);
void (* get_volume) (GstMixer *mixer,
GstMixerTrack *track,
gint *volumes);
void (* set_mute) (GstMixer *mixer,
GstMixerTrack *track,
gboolean mute);
void (* set_record) (GstMixer *mixer,
GstMixerTrack *track,
gboolean record);
/* signals */
void (* mute_toggled) (GstMixer *mixer,
GstMixerTrack *channel,
gboolean mute);
void (* record_toggled) (GstMixer *mixer,
GstMixerTrack *channel,
gboolean record);
void (* volume_changed) (GstMixer *mixer,
GstMixerTrack *channel,
const gint *volumes);
void (* option_changed) (GstMixer *mixer,
GstMixerOptions *opts,
const gchar *option);
/* FIXME 0.11: move set/get function to virtual functions part */
void (* set_option) (GstMixer *mixer,
GstMixerOptions *opts,
gchar *value);
const gchar * (* get_option) (GstMixer *mixer,
GstMixerOptions *opts);
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GType gst_mixer_get_type (void);
/* virtual class function wrappers */
const GList * gst_mixer_list_tracks (GstMixer *mixer);
void gst_mixer_set_volume (GstMixer *mixer,
GstMixerTrack *track,
gint *volumes);
void gst_mixer_get_volume (GstMixer *mixer,
GstMixerTrack *track,
gint *volumes);
void gst_mixer_set_mute (GstMixer *mixer,
GstMixerTrack *track,
gboolean mute);
void gst_mixer_set_record (GstMixer *mixer,
GstMixerTrack *track,
gboolean record);
void gst_mixer_set_option (GstMixer *mixer,
GstMixerOptions *opts,
gchar *value);
const gchar * gst_mixer_get_option (GstMixer *mixer,
GstMixerOptions *opts);
/* trigger signals */
void gst_mixer_mute_toggled (GstMixer *mixer,
GstMixerTrack *track,
gboolean mute);
void gst_mixer_record_toggled (GstMixer *mixer,
GstMixerTrack *track,
gboolean record);
void gst_mixer_volume_changed (GstMixer *mixer,
GstMixerTrack *track,
const gint *volumes);
void gst_mixer_option_changed (GstMixer *mixer,
GstMixerOptions *opts,
const gchar *value);
G_END_DECLS
#endif /* __GST_MIXER_H__ */