apps/recorder/peakmeter.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Philipp Pertermann
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef __PEAKMETER_H__
  20 #define __PEAKMETER_H__
  21
  22 /*#define PM_DEBUG */
  23 #ifdef PM_DEBUG
  24 extern bool peak_meter_histogram(void);
  25 #endif
  26
  27
  28 extern bool peak_meter_enabled;
  29 extern int  peak_meter_fps;
  30
  31 extern void peak_meter_playback(bool playback);
  32 extern void peak_meter_draw(int x, int y, int width, int height);
  33 extern void peak_meter_set_clip_hold(int time);
  34 extern void peak_meter_peek(void);
  35 extern void peak_meter_init_range( bool dbfs, int range_min, int range_max);
  36 extern void peak_meter_init_times(int release, int hold, int clip_hold);
  37
  38 extern void peak_meter_set_min(int newmin);
  39 extern int  peak_meter_get_min(void);
  40 extern void peak_meter_set_max(int newmax);
  41 extern int  peak_meter_get_max(void);
  42 extern void peak_meter_set_use_dbfs(int use);
  43 extern int  peak_meter_get_use_dbfs(void);
  44 extern int  calc_db (int isample);
  45 extern unsigned short peak_meter_scale_value(unsigned short val, int meterwidth);
  46
  47 extern unsigned short peak_meter_range_min;
  48 extern unsigned short peak_meter_range_max;
  49
  50 #endif /* __PEAKMETER_H__ */