49 lines
1013 B
C
49 lines
1013 B
C
#define MIXER_FLAG_NONE 0x0
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#define MIXER_FLAG_SPATIALIZE 0x1
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#define MIXER_DESC(...) ((M_TrackDesc) { \
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.flags = 0, \
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\
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.volume = 1.0, \
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.speed = 1.0, \
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.looping = 0, \
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\
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.pos = VEC2(0, 0), \
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\
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__VA_ARGS__ \
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})
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Struct(M_TrackDesc) {
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u32 flags;
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f32 volume; /* 0 -> 1.0+ */
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f32 speed; /* 0 -> 1.0+ */
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b32 looping;
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/* MIXER_FLAG_SPATIALIZE */
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Vec2 pos;
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};
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Struct(M_Handle) {
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u64 gen;
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void *data;
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};
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/* Stereo mix of 32 bit float samples */
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Struct(M_PcmF32) {
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u64 count;
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f32 *samples;
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};
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Struct(M_StartupReceipt) { i32 _; };
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M_StartupReceipt mixer_startup(void);
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/* Interface */
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M_Handle mixer_play(SND_Sound *sound);
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M_Handle mixer_play_ex(SND_Sound *sound, M_TrackDesc desc);
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M_TrackDesc mixer_track_get(M_Handle handle);
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void mixer_track_set(M_Handle handle, M_TrackDesc desc);
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void mixer_set_listener(Vec2 pos, Vec2 dir);
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/* Mixing */
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M_PcmF32 mixer_update(Arena *arena, u64 frame_request_count);
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