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Diffstat (limited to 'audio/filter/equalizer.h')
| -rw-r--r-- | audio/filter/equalizer.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/audio/filter/equalizer.h b/audio/filter/equalizer.h new file mode 100644 index 0000000000..4935401413 --- /dev/null +++ b/audio/filter/equalizer.h @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2002 Anders Johansson ajh@atri.curtin.edu.au + * + * This file is part of MPlayer. + * + * MPlayer is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * MPlayer 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPLAYER_EQUALIZER_H +#define MPLAYER_EQUALIZER_H + +/* 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 +*/ + +#endif /* MPLAYER_EQUALIZER_H */ |