99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
#ifndef STAR_VOICE_HPP
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#define STAR_VOICE_HPP
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#include "StarJson.hpp"
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#include "StarBiMap.hpp"
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#include "StarGameTypes.hpp"
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#include "StarException.hpp"
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struct OpusDecoder;
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typedef std::unique_ptr<OpusDecoder, void(*)(OpusDecoder*)> OpusDecoderPtr;
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struct OpusEncoder;
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typedef std::unique_ptr<OpusEncoder, void(*)(OpusEncoder*)> OpusEncoderPtr;
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namespace Star {
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STAR_EXCEPTION(VoiceException, StarException);
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enum class VoiceTriggerMode : uint8_t { VoiceActivity, PushToTalk };
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extern EnumMap<VoiceTriggerMode> const VoiceTriggerModeNames;
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enum class VoiceChannelMode: uint8_t { Mono = 1, Stereo = 2 };
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extern EnumMap<VoiceChannelMode> const VoiceChannelModeNames;
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STAR_CLASS(Voice);
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class Voice {
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public:
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// Individual speakers are represented by their connection ID.
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typedef ConnectionId SpeakerId;
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struct Speaker {
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SpeakerId speakerId = 0;
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EntityId entityId = 0;
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Vec2F position = Vec2F();
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String name = "Unnamed";
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OpusDecoderPtr decoderMono;
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OpusDecoderPtr decoderStereo;
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atomic<bool> active = false;
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atomic<float> currentLoudness = 0.0f;
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atomic<Array<float, 2>> channelVolumes = Array<float, 2>::filled(1.0f);
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Speaker(SpeakerId speakerId);
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};
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typedef std::shared_ptr<Speaker> SpeakerPtr;
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// Get pointer to the singleton Voice instance, if it exists. Otherwise,
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// returns nullptr.
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static Voice* singletonPtr();
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// Gets reference to Voice singleton, throws VoiceException if root
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// is not initialized.
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static Voice& singleton();
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Voice();
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~Voice();
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Voice(Voice const&) = delete;
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Voice& operator=(Voice const&) = delete;
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void load(Json const& config);
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Json save() const;
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// Sets the local speaker ID and returns the local speaker. Must be called upon loading into a world.
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SpeakerPtr setLocalSpeaker(SpeakerId speakerId);
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SpeakerPtr speaker(SpeakerId speakerId);
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// Called to mix voice audio with the game.
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void mix(int16_t* buffer, size_t frames, unsigned channels);
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typedef function<float(unsigned, Vec2F, float)> PositionalAttenuationFunction;
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void update(PositionalAttenuationFunction positionalAttenuationFunction = {});
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inline int encoderChannels() const {
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return m_channelMode == VoiceChannelMode::Mono ? 1 : 2;
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}
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private:
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static Voice* s_singleton;
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static OpusDecoder* createDecoder(int channels);
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static OpusEncoder* createEncoder(int channels);
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void resetEncoder();
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SpeakerId m_speakerId = 0;
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SpeakerPtr m_clientSpeaker;
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HashMap<SpeakerId, SpeakerPtr> m_speakers;
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HashSet<SpeakerPtr> m_activeSpeakers;
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OpusEncoderPtr m_encoder;
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VoiceTriggerMode m_triggerMode;
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VoiceChannelMode m_channelMode;
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};
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}
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#endif |