mirror of
https://github.com/OpenRCT2/OpenRCT2
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82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#pragma once
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#include "../common.h"
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#define MIXER_VOLUME_MAX 128
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#define MIXER_LOOP_NONE 0
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#define MIXER_LOOP_INFINITE -1
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enum MIXER_GROUP
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{
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MIXER_GROUP_SOUND,
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MIXER_GROUP_RIDE_MUSIC,
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MIXER_GROUP_TITLE_MUSIC,
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};
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namespace OpenRCT2::Audio
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{
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interface IAudioSource;
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interface IAudioChannel;
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/**
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* Provides an audio stream by mixing multiple audio channels together.
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*/
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interface IAudioMixer
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{
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virtual ~IAudioMixer() = default;
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virtual void Init(const char * device) abstract;
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virtual void Close() abstract;
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virtual void Lock() abstract;
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virtual void Unlock() abstract;
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virtual IAudioChannel * Play(IAudioSource * source, sint32 loop, bool deleteondone, bool deletesourceondone) abstract;
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virtual void Stop(IAudioChannel * channel) abstract;
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virtual bool LoadMusic(size_t pathid) abstract;
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virtual void SetVolume(float volume) abstract;
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virtual IAudioSource * GetSoundSource(sint32 id) abstract;
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virtual IAudioSource * GetMusicSource(sint32 id) abstract;
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};
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} // namespace OpenRCT2::Audio
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#ifndef DSBPAN_LEFT
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#define DSBPAN_LEFT -10000
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#endif
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#ifndef DSBPAN_RIGHT
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#define DSBPAN_RIGHT 10000
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#endif
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void Mixer_Init(const char * device);
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void* Mixer_Play_Effect(size_t id, sint32 loop, sint32 volume, float pan, double rate, sint32 deleteondone);
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void Mixer_Stop_Channel(void* channel);
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void Mixer_Channel_Volume(void* channel, sint32 volume);
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void Mixer_Channel_Pan(void* channel, float pan);
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void Mixer_Channel_Rate(void* channel, double rate);
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sint32 Mixer_Channel_IsPlaying(void* channel);
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uint64 Mixer_Channel_GetOffset(void* channel);
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sint32 Mixer_Channel_SetOffset(void* channel, uint64 offset);
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void Mixer_Channel_SetGroup(void* channel, sint32 group);
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void* Mixer_Play_Music(sint32 pathId, sint32 loop, sint32 streaming);
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void Mixer_SetVolume(float volume);
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sint32 DStoMixerVolume(sint32 volume);
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float DStoMixerPan(sint32 pan);
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double DStoMixerRate(sint32 frequency);
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