117 lines
2.6 KiB
C++
117 lines
2.6 KiB
C++
#ifndef SRC_AUDIO_AUDIO_H_
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#define SRC_AUDIO_AUDIO_H_
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#include <vector>
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#include <string>
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#include <glm/glm.hpp>
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#include <unordered_map>
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#ifdef __APPLE__
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#include <OpenAL/al.h>
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#include <OpenAL/alc.h>
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#else
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#include <AL/al.h>
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#include <AL/alc.h>
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#endif
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#include "audio.h"
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#include "../typedefs.h"
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namespace audio {
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struct ALBuffer;
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class ALAudio;
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class ALSound : public Sound {
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ALAudio* al;
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uint buffer;
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std::shared_ptr<PCM> pcm;
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duration_t duration;
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public:
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ALSound(ALAudio* al, uint buffer, std::shared_ptr<PCM> pcm, bool keepPCM);
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~ALSound();
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duration_t getDuration() const override {
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return duration;
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}
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std::shared_ptr<PCM> getPCM() const override {
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return pcm;
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}
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Speaker* newInstance(int priority) const override;
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};
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/// @brief AL source adapter
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class ALSpeaker : public Speaker {
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ALAudio* al;
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uint source;
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int priority;
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public:
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ALSpeaker(ALAudio* al, uint source, int priority);
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~ALSpeaker();
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State getState() const override;
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float getVolume() const override;
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void setVolume(float volume) override;
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float getPitch() const override;
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void setPitch(float pitch) override;
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void play() override;
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void pause() override;
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void stop() override;
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duration_t getTime() const override;
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void setTime(duration_t time) override;
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void setPosition(glm::vec3 pos) override;
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glm::vec3 getPosition() const override;
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void setVelocity(glm::vec3 vel) override;
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glm::vec3 getVelocity() const override;
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int getPriority() const override;
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};
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class ALAudio : public Backend {
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ALCdevice* device;
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ALCcontext* context;
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std::vector<uint> allsources;
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std::vector<uint> freesources;
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std::vector<uint> allbuffers;
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std::vector<uint> freebuffers;
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uint maxSources;
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uint maxBuffers;
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ALAudio(ALCdevice* device, ALCcontext* context);
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public:
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~ALAudio();
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uint getFreeSource();
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uint getFreeBuffer();
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void freeSource(uint source);
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void freeBuffer(uint buffer);
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std::vector<std::string> getAvailableDevices() const;
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Sound* createSound(std::shared_ptr<PCM> pcm, bool keepPCM) override;
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void setListener(
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glm::vec3 position,
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glm::vec3 velocity,
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glm::vec3 lookAt,
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glm::vec3 up
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) override;
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void update(double delta) override;
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static ALAudio* create();
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};
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}
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#endif /* SRC_AUDIO_AUDIO_H_ */
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