mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* -*- c-basic-offset: 2 -*-
|
|
* vi:si:et:sw=2:sts=8:ts=8:expandtab
|
|
*
|
|
* GStreamer
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
*
|
|
* 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_VOLUME_H__
|
|
#define __GST_VOLUME_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstbasetransform.h>
|
|
#include <gst/audio/streamvolume.h>
|
|
#include <gst/audio/audio.h>
|
|
#include <gst/audio/gstaudiofilter.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_VOLUME \
|
|
(gst_volume_get_type())
|
|
#define GST_VOLUME(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VOLUME,GstVolume))
|
|
#define GST_VOLUME_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VOLUME,GstVolumeClass))
|
|
#define GST_IS_VOLUME(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VOLUME))
|
|
#define GST_IS_VOLUME_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VOLUME))
|
|
|
|
typedef struct _GstVolume GstVolume;
|
|
typedef struct _GstVolumeClass GstVolumeClass;
|
|
|
|
/**
|
|
* GstVolume:
|
|
*
|
|
* Opaque data structure.
|
|
*/
|
|
struct _GstVolume {
|
|
GstAudioFilter element;
|
|
|
|
void (*process)(GstVolume*, gpointer, guint);
|
|
void (*process_controlled)(GstVolume*, gpointer, gdouble *, guint, guint);
|
|
|
|
gboolean mute;
|
|
gfloat volume;
|
|
|
|
gboolean current_mute;
|
|
gfloat current_volume;
|
|
|
|
gint current_vol_i32;
|
|
gint current_vol_i24; /* the _i(nt) values get synchronized with the */
|
|
gint current_vol_i16; /* the _i(nt) values get synchronized with the */
|
|
gint current_vol_i8; /* the _i(nt) values get synchronized with the */
|
|
|
|
GList *tracklist;
|
|
gboolean negotiated;
|
|
|
|
gboolean *mutes;
|
|
guint mutes_count;
|
|
gdouble *volumes;
|
|
guint volumes_count;
|
|
};
|
|
|
|
struct _GstVolumeClass {
|
|
GstAudioFilterClass parent_class;
|
|
};
|
|
|
|
GType gst_volume_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VOLUME_H__ */
|