gstreamer/gst/volume/gstvolume.h

80 lines
2 KiB
C
Raw Normal View History

/* -*- c-basic-offset: 2 -*-
* 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 <config.h>
#include <gst/gst.h>
/* #include <gst/meta/audioraw.h> */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#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_ULAW,GstVolume))
#define GST_IS_VOLUME(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VOLUME))
#define GST_IS_VOLUME_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VOLUME))
typedef struct _GstVolume GstVolume;
typedef struct _GstVolumeClass GstVolumeClass;
typedef enum _GstVolumeFormat GstVolumeFormat;
enum _GstVolumeFormat {
GST_VOLUME_FORMAT_INT=1,
GST_VOLUME_FORMAT_FLOAT
};
struct _GstVolume {
GstElement element;
GstPad *sinkpad, *srcpad;
GstDParamManager *dpman;
gboolean mute;
gint volume_i, real_vol_i;
gfloat volume_f, real_vol_f;
};
struct _GstVolumeClass {
GstElementClass parent_class;
};
GType gst_volume_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_VOLUME_H__ */