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#ifndef FAUDIOFILTERDEMO_AUDIO_H
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#define FAUDIOFILTERDEMO_AUDIO_H
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#include <stddef.h>
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#include <stdint.h>
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#include "../wavcommon/wavs.h"
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#ifdef _MSC_VER
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#define HAVE_XAUDIO2
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#endif
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const uint32_t SAMPLERATE = 44100;
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// types
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struct AudioContext;
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enum AudioEngine {
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AudioEngine_XAudio2,
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AudioEngine_FAudio
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};
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enum AudioVoiceType {
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AudioVoiceType_Source = 0,
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AudioVoiceType_Submix,
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AudioVoiceType_Master
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};
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#pragma pack(push, 1)
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struct ReverbI3DL2Parameters
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{
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float WetDryMix;
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int Room;
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int RoomHF;
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float RoomRolloffFactor;
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float DecayTime;
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float DecayHFRatio;
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int Reflections;
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float ReflectionsDelay;
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int Reverb;
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float ReverbDelay;
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float Diffusion;
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float Density;
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float HFReference;
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};
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struct ReverbParameters
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{
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float WetDryMix;
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uint32_t ReflectionsDelay;
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uint8_t ReverbDelay;
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uint8_t RearDelay;
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uint8_t PositionLeft;
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uint8_t PositionRight;
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uint8_t PositionMatrixLeft;
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uint8_t PositionMatrixRight;
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uint8_t EarlyDiffusion;
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uint8_t LateDiffusion;
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uint8_t LowEQGain;
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uint8_t LowEQCutoff;
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uint8_t HighEQGain;
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uint8_t HighEQCutoff;
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float RoomFilterFreq;
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float RoomFilterMain;
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float RoomFilterHF;
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float ReflectionsGain;
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float ReverbGain;
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float DecayTime;
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float Density;
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float RoomSize;
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};
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#pragma pack(pop)
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extern const char *audio_voice_type_names[3];
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extern const char *audio_reverb_preset_names[];
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extern const ReverbI3DL2Parameters audio_reverb_presets_i3dl2[];
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extern const ReverbParameters *audio_reverb_presets;
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extern const size_t audio_reverb_preset_count;
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typedef void (*PFN_AUDIO_DESTROY_CONTEXT)(AudioContext *p_context);
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typedef void (*PFN_AUDIO_CREATE_VOICE)(AudioContext *p_context, float *p_buffer, size_t p_buffer_size, int p_sample_rate, int p_num_channels);
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typedef void (*PFN_AUDIO_WAVE_LOAD)(AudioContext *p_context, AudioSampleWave sample, bool stereo);
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typedef void (*PFN_AUDIO_WAVE_PLAY)(AudioContext *p_context);
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typedef void (*PFN_AUDIO_WAVE_STOP)(AudioContext *p_context);
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typedef void(*PFN_AUDIO_EFFECT_CHANGE)(AudioContext *p_context, bool p_enabled, ReverbParameters *p_params);
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// API
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AudioContext *audio_create_context(AudioEngine p_engine, bool output_5p1, AudioVoiceType effect_on_voice);
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extern PFN_AUDIO_DESTROY_CONTEXT audio_destroy_context;
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extern PFN_AUDIO_CREATE_VOICE audio_create_voice;
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extern PFN_AUDIO_WAVE_LOAD audio_wave_load;
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extern PFN_AUDIO_WAVE_PLAY audio_wave_play;
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extern PFN_AUDIO_WAVE_STOP audio_wave_stop;
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extern PFN_AUDIO_EFFECT_CHANGE audio_effect_change;
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#endif // FAUDIOFILTERDEMO_AUDIO_H
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