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/*****************************************************************************
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2020-07-21 15:04:34 +02:00
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* Copyright (c) 2014-2020 OpenRCT2 developers
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*
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2018-06-15 14:07:34 +02:00
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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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2018-06-15 14:07:34 +02:00
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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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#include "AudioMixer.h"
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2018-02-16 00:43:16 +01:00
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namespace OpenRCT2::Audio
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{
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struct IAudioSource;
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/**
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* Represents an audio channel that represents an audio source
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* and a number of properties such as volume, pan and loop information.
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*/
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struct IAudioChannel
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{
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virtual ~IAudioChannel() = default;
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virtual IAudioSource* GetSource() const abstract;
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virtual MixerGroup GetGroup() const abstract;
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virtual void SetGroup(MixerGroup group) abstract;
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virtual double GetRate() const abstract;
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virtual void SetRate(double rate) abstract;
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virtual uint64_t GetOffset() const abstract;
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virtual bool SetOffset(uint64_t offset) abstract;
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virtual int32_t GetLoop() const abstract;
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virtual void SetLoop(int32_t value) abstract;
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virtual int32_t GetVolume() const abstract;
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virtual float GetVolumeL() const abstract;
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virtual float GetVolumeR() const abstract;
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virtual float GetOldVolumeL() const abstract;
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virtual float GetOldVolumeR() const abstract;
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virtual int32_t GetOldVolume() const abstract;
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virtual void SetVolume(int32_t volume) abstract;
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virtual float GetPan() const abstract;
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virtual void SetPan(float pan) abstract;
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virtual bool IsStopping() const abstract;
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virtual void SetStopping(bool value) abstract;
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virtual bool IsDone() const abstract;
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virtual void SetDone(bool value) abstract;
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virtual bool DeleteOnDone() const abstract;
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virtual void SetDeleteOnDone(bool value) abstract;
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virtual void SetDeleteSourceOnDone(bool value) abstract;
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virtual bool IsPlaying() const abstract;
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virtual void Play(IAudioSource* source, int32_t loop = 0) abstract;
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virtual void UpdateOldVolume() abstract;
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virtual size_t Read(void* dst, size_t len) abstract;
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};
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} // namespace OpenRCT2::Audio
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