mirror of https://github.com/AxioDL/amuse.git
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#ifndef __AMUSE_IBACKENDVOICEALLOCATOR_HPP__
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#define __AMUSE_IBACKENDVOICEALLOCATOR_HPP__
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#include <memory>
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#include <functional>
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#include <vector>
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namespace amuse
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{
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class IBackendVoice;
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class IBackendSubmix;
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class Voice;
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class Submix;
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class Engine;
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/** Same enum as boo for describing speaker-configuration */
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enum class AudioChannelSet
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{
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Stereo,
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Quad,
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Surround51,
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Surround71,
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Unknown = 0xff
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};
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/** Handle to MIDI-reader, implementation opaque */
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class IMIDIReader
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{
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public:
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virtual ~IMIDIReader() = default;
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virtual void pumpReader(double dt) = 0;
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};
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/** Client-implemented voice allocator */
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class IBackendVoiceAllocator
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{
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public:
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virtual ~IBackendVoiceAllocator() = default;
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/** Amuse obtains a new voice from the platform this way */
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virtual std::unique_ptr<IBackendVoice> allocateVoice(Voice& clientVox, double sampleRate, bool dynamicPitch) = 0;
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/** Amuse obtains a new submix from the platform this way */
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virtual std::unique_ptr<IBackendSubmix> allocateSubmix(Submix& clientSmx, bool mainOut, int busId) = 0;
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/** Amuse obtains a list of all MIDI devices this way */
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virtual std::vector<std::pair<std::string, std::string>> enumerateMIDIDevices() = 0;
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/** Amuse obtains an interactive MIDI-in connection from the OS this way */
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virtual std::unique_ptr<IMIDIReader> allocateMIDIReader(Engine& engine) = 0;
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/** Amuse obtains speaker-configuration from the platform this way */
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virtual AudioChannelSet getAvailableSet() = 0;
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/** Set volume of main mix out */
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virtual void setVolume(float vol) = 0;
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/** Amuse registers for key callback events from the mixing engine this way */
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virtual void setCallbackInterface(Engine* engine) = 0;
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};
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}
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#endif // __AMUSE_IBACKENDVOICEALLOCATOR_HPP__
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