rockbox/apps/recorder/peakmeter.h
Linus Nielsen Feltzing a02ffd5afa Some peak meter optimizations
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2784 a1c6a512-1295-4272-9138-f99709370657
2002-10-30 23:01:27 +00:00

50 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Philipp Pertermann
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PEAKMETER_H__
#define __PEAKMETER_H__
/*#define PM_DEBUG */
#ifdef PM_DEBUG
extern bool peak_meter_histogram(void);
#endif
extern bool peak_meter_enabled;
extern int peak_meter_fps;
extern void peak_meter_playback(bool playback);
extern void peak_meter_draw(int x, int y, int width, int height);
extern void peak_meter_set_clip_hold(int time);
extern void peak_meter_peek(void);
extern void peak_meter_init_range( bool dbfs, int range_min, int range_max);
extern void peak_meter_init_times(int release, int hold, int clip_hold);
extern void peak_meter_set_min(int newmin);
extern int peak_meter_get_min(void);
extern void peak_meter_set_max(int newmax);
extern int peak_meter_get_max(void);
extern void peak_meter_set_use_dbfs(int use);
extern int peak_meter_get_use_dbfs(void);
extern int calc_db (int isample);
extern unsigned short peak_meter_scale_value(unsigned short val, int meterwidth);
extern unsigned short peak_meter_range_min;
extern unsigned short peak_meter_range_max;
#endif /* __PEAKMETER_H__ */