mixer.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD 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, version 2.
 * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef MIXER_H
#define MIXER_H
 
struct MixerChannel;
 
typedef void(*MxStreamCallback)(int16_t *buffer, size_t samples);
 
bool MxInitialize(uint rate);
void MxMixSamples(void *buffer, uint samples);
 
MixerChannel *MxAllocateChannel();
void MxSetChannelRawSrc(MixerChannel *mc, int8_t *mem, size_t size, uint rate, bool is16bit);
void MxSetChannelVolume(MixerChannel *mc, uint volume, float pan);
void MxActivateChannel(MixerChannel*);
void MxCloseAllChannels();
 
uint32_t MxSetMusicSource(MxStreamCallback music_callback);
 
void SetEffectVolume(uint8_t volume);
 
#endif /* MIXER_H */