mpv/libao2/eq.h

37 lines
989 B
C

/*=============================================================================
//
// This software has been released under the terms of the GNU Public
// license. See http://www.gnu.org/copyleft/gpl.html for details.
//
// Copyright 2001 Anders Johansson ajh@atri.curtin.edu.au
//
//=============================================================================
*/
/* Equalizer plugin header file defines struct used for setting or
getting the gain of a specific channel and frequency */
typedef struct equalizer_s
{
float gain; // Gain in dB -15 - 15
int channel; // Channel number 0 - 5
int band; // Frequency band 0 - 9
}equalizer_t;
/* The different frequency bands are:
nr. center frequency
0 31.25 Hz
1 62.50 Hz
2 125.0 Hz
3 250.0 Hz
4 500.0 Hz
5 1.000 kHz
6 2.000 kHz
7 4.000 kHz
8 8.000 kHz
9 16.00 kHz
*/
#define AOCONTROL_PLUGIN_EQ_SET_GAIN 2 // Use this to set the gain
#define AOCONTROL_PLUGIN_EQ_GET_GAIN 3 // Use this to get the gain