gzdoom-gles/libraries/timidityplus/timiditypp/mix.h

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/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
In case you haven't heard, this program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
mix.h
*/
#ifndef ___MIX_H_
#define ___MIX_H_
#include "resample.h"
namespace TimidityPlus
{
typedef int32_t mix_t;
class Player;
class Mixer
{
Player *player;
int32_t filter_buffer[AUDIO_BUFFER_SIZE];
int do_voice_filter(int, resample_t*, mix_t*, int32_t);
void recalc_voice_resonance(int);
void recalc_voice_fc(int);
void ramp_out(mix_t *, int32_t *, int, int32_t);
void mix_mono_signal(mix_t *, int32_t *, int, int);
void mix_mystery_signal(mix_t *, int32_t *, int, int);
void mix_mystery(mix_t *, int32_t *, int, int);
void mix_center_signal(mix_t *, int32_t *, int, int);
void mix_center(mix_t *, int32_t *, int, int);
void mix_single_signal(mix_t *, int32_t *, int, int);
void mix_single(mix_t *, int32_t *, int, int);
int update_signal(int);
int update_envelope(int);
int update_modulation_envelope(int);
void voice_ran_out(int);
int next_stage(int);
int modenv_next_stage(int);
void update_tremolo(int);
void compute_mix_smoothing(Voice *);
int get_eg_stage(int v, int stage);
public:
Mixer(Player *p)
{
player = p;
}
void mix_voice(int32_t *, int, int32_t);
int recompute_envelope(int);
int apply_envelope_to_amp(int);
int recompute_modulation_envelope(int);
int apply_modulation_envelope(int);
};
}
#endif /* ___MIX_H_ */