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use sdl2;
// Flags for [[init]].
export type MIX_InitFlags = enum {
FLAC = 0x00000001,
MOD = 0x00000002,
MP3 = 0x00000008,
OGG = 0x00000010,
MID = 0x00000020,
OPUS = 0x00000040
};
// The default mixer has 8 simultaneous mixing channels
export def MIX_CHANNELS: int = 8;
// Good default frequency for a PC soundcard
export def MIX_DEFAULT_FREQUENCY: int = 22050;
// Good default channels for a PC soundcard
export def MIX_DEFAULT_CHANNELS: int = 2;
// XXX: This should choose MSB on a big-endian system:
// Good default format for a PC soundcard
export def MIX_DEFAULT_FORMAT: sdl2::SDL_AudioFormat = sdl2::AUDIO_S16LSB;
@symbol("Mix_Init") fn _Mix_Init(flags: int) int;
// Loads dynamic libraries and prepares them for use. Flags should be
// one or more flags from [[MIX_InitFlags]] OR'd together.
export fn Mix_Init(flags: MIX_InitFlags) (void | sdl2::error) = {
if (flags & _Mix_Init(flags) != flags) {
return "Mixer flags not initialized": sdl2::error;
};
};
// Unloads libraries loaded with [[Mix_Init]].
export @symbol("Mix_Quit") fn Mix_Quit() void;
@symbol("Mix_OpenAudio") fn _Mix_OpenAudio(frequency: int,
format: u16, channels: int, chunksize: int) int;
// Open the mixer with a certain audio format
export fn Mix_OpenAudio(
frequency: int,
format: sdl2::SDL_AudioFormat,
channels: int,
chunksize: int,
) (void | sdl2::error) = {
return sdl2::wrapvoid(_Mix_OpenAudio(frequency, format, channels, chunksize));
};
// Close the mixer, halting all playing audio
export @symbol("Mix_CloseAudio") fn Mix_CloseAudio() void;
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