gstreamer/subprojects/gst-plugins-good/gst/replaygain/gstrgvolume.h

90 lines
2.2 KiB
C

/* GStreamer ReplayGain volume adjustment
*
* Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
*
* gstrgvolume.h: Element to apply ReplayGain volume adjustment
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef __GST_RG_VOLUME_H__
#define __GST_RG_VOLUME_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_RG_VOLUME \
(gst_rg_volume_get_type())
#define GST_RG_VOLUME(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RG_VOLUME,GstRgVolume))
#define GST_RG_VOLUME_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RG_VOLUME,GstRgVolumeClass))
#define GST_IS_RG_VOLUME(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RG_VOLUME))
#define GST_IS_RG_VOLUME_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RG_VOLUME))
typedef struct _GstRgVolume GstRgVolume;
typedef struct _GstRgVolumeClass GstRgVolumeClass;
/**
* GstRgVolume:
*
* Opaque data structure.
*/
struct _GstRgVolume
{
GstBin bin;
/*< private >*/
GstElement *volume_element;
gdouble max_volume;
gboolean album_mode;
gdouble headroom;
gdouble pre_amp;
gdouble fallback_gain;
gdouble target_gain;
gdouble result_gain;
gdouble track_gain;
gdouble track_peak;
gdouble album_gain;
gdouble album_peak;
gboolean has_track_gain;
gboolean has_track_peak;
gboolean has_album_gain;
gboolean has_album_peak;
gdouble reference_level;
};
struct _GstRgVolumeClass
{
GstBinClass parent_class;
};
GType gst_rg_volume_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (rgvolume);
G_END_DECLS
#endif /* __GST_RG_VOLUME_H__ */