mirror of https://github.com/OpenRCT2/OpenRCT2.git
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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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, int32_t 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(int32_t id) abstract;
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virtual IAudioSource* GetMusicSource(int32_t 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, int32_t loop, int32_t volume, float pan, double rate, int32_t deleteondone);
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void Mixer_Stop_Channel(void* channel);
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void Mixer_Channel_Volume(void* channel, int32_t 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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int32_t Mixer_Channel_IsPlaying(void* channel);
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uint64_t Mixer_Channel_GetOffset(void* channel);
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int32_t Mixer_Channel_SetOffset(void* channel, uint64_t offset);
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void Mixer_Channel_SetGroup(void* channel, int32_t group);
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void* Mixer_Play_Music(int32_t pathId, int32_t loop, int32_t streaming);
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void Mixer_SetVolume(float volume);
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int32_t DStoMixerVolume(int32_t volume);
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float DStoMixerPan(int32_t pan);
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double DStoMixerRate(int32_t frequency);
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