gstreamer/gst/volume/gstvolume.h
Stefan Kost ca675bc9dc gst/volume/gstvolume.*: rewrite the passthrough check, split _int16 and _int16_clamp, fix another property desc., rem...
Original commit message from CVS:
* gst/volume/gstvolume.c: (volume_choose_func),
(volume_update_real_volume), (gst_volume_class_init),
(gst_volume_init), (volume_process_float), (volume_process_int16),
(volume_process_int16_clamp), (volume_set_caps),
(volume_transform_ip), (plugin_init):
* gst/volume/gstvolume.h:
rewrite the passthrough check, split _int16 and _int16_clamp, fix
another property desc., remove unused param from process function
* tests/check/elements/volume.c: (volume_suite):
reactivate the passthrough test
2006-06-01 20:39:30 +00:00

77 lines
2.1 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>
*
* 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>
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;
typedef enum {
GST_VOLUME_FORMAT_NONE,
GST_VOLUME_FORMAT_INT,
GST_VOLUME_FORMAT_FLOAT
} GstVolumeFormat;
/**
* GstVolume:
*
* Opaque data structure.
*/
struct _GstVolume {
GstBaseTransform element;
void (*process)(GstVolume*, gpointer, gint);
gboolean mute;
gint volume_i, real_vol_i; /* the _i(nt) values get synchronized with the */
gfloat volume_f, real_vol_f; /* _f(loat) values on each update */
GList *tracklist;
GstVolumeFormat format;
};
struct _GstVolumeClass {
GstBaseTransformClass parent_class;
};
GType gst_volume_get_type (void);
G_END_DECLS
#endif /* __GST_VOLUME_H__ */