postfish/eq.h

   1 /*
   2  *
   3  *  postfish
   4  *
   5  *      Copyright (C) 2002-2005 Monty and Xiph.Org
   6  *
   7  *  Postfish is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  Postfish is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with Postfish; see the file COPYING.  If not, write to the
  19  *  Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  *
  22  */
  23
  24 #include "postfish.h"
  25
  26 #define eq_freqs 30
  27
  28 typedef struct {
  29   sig_atomic_t settings[eq_freqs];
  30   sig_atomic_t panel_active;
  31   sig_atomic_t panel_visible;
  32   sig_atomic_t curve_dirty;
  33   float *curve_cache;
  34
  35 } eq_settings;
  36
  37 static const float eq_freq_list[eq_freqs+1]={
  38   25,31.5,40,50,63,80,
  39   100,125,160,200,250,315,
  40   400,500,630,800,1000,1250,1600,
  41   2000,2500,3150,4000,5000,6300,
  42   8000,10000,12500,16000,20000,9e10};
  43
  44 static char * const eq_freq_labels[eq_freqs]={
  45   "25","31.5","40","50","63","80",
  46   "100","125","160","200","250","315",
  47   "400","500","630","800","1k","1.2k","1.6k",
  48   "2k","2.5k","3.1k","4k","5k","6.3k",
  49   "8k","10k","12.5k","16k","20k"
  50 };
  51
  52 extern int pull_eq_feedback_master(float **peak,float **rms);
  53 extern int pull_eq_feedback_channel(float **peak,float **rms);
  54 extern int eq_load(int ch);
  55 extern int eq_reset();
  56 extern void eq_set(eq_settings *eq,int freq, float value);
  57 extern time_linkage *eq_read_master(time_linkage *in);
  58 extern time_linkage *eq_read_channel(time_linkage *in);
  59
  60 extern eq_settings eq_master_set;
  61 extern eq_settings *eq_channel_set;
  62