feat: add audio

1 files changed, 53 insertions, 0 deletions

diff --git a/sdl_audio.ha b/sdl_audio.ha
new file mode 100644
index 0000000..545668c
--- /dev/null
+++ b/sdl_audio.ha
@@ -0,0 +1,53 @@
+use sdl2;
+use types::c;
+
+type SDL_AudioFormat = u16;
+
+def AUDIO_U8: SDL_AudioFormat = 0x0008;
+def AUDIO_S8: SDL_AudioFormat = 0x8008;
+def AUDIO_U16LSB: SDL_AudioFormat = 0x0010;
+def AUDIO_S16LSB: SDL_AudioFormat = 0x8010;
+def AUDIO_U16MSB: SDL_AudioFormat = 0x1010;
+def AUDIO_S16MSB: SDL_AudioFormat = 0x9010;
+def AUDIO_U16: SDL_AudioFormat = AUDIO_U16LSB;
+def AUDIO_S16: SDL_AudioFormat = AUDIO_S16LSB;
+def AUDIO_S32LSB: SDL_AudioFormat = 0x8020;
+def AUDIO_S32MSB: SDL_AudioFormat = 0x9020;
+def AUDIO_S32: SDL_AudioFormat = AUDIO_S32LSB;
+def AUDIO_F32LSB: SDL_AudioFormat = 0x8120;
+def AUDIO_F32MSB: SDL_AudioFormat = 0x9120;
+def AUDIO_F32: SDL_AudioFormat = AUDIO_F32LSB;
+
+type SDL_AudioCallback = *fn(userdata: nullable *opaque, stream: *u8, len_: int) void;
+
+type SDL_AudioSpec = struct {
+	freq: int,
+	format: SDL_AudioFormat,
+	channels: u8,
+	silence: u8,
+	samples: u16,
+	padding: u16,
+	size_: u32,
+	callback: SDL_AudioCallback,
+	userdata: nullable *opaque
+};
+
+type SDL_AudioDeviceID = u32;
+
+@symbol("SDL_OpenAudioDevice") fn _SDL_OpenAudioDevice(device: nullable *c::char, iscapture: int, desired: const *SDL_AudioSpec, obtained: *SDL_AudioSpec, allowed_changes: int) SDL_AudioDeviceID;
+
+@symbol("SDL_CloseAudioDevice") fn SDL_CloseAudioDevice(dev: SDL_AudioDeviceID) void;
+
+@symbol("SDL_PauseAudioDevice") fn SDL_PauseAudioDevice(dev: SDL_AudioDeviceID, pause_on: int) void;
+
+@symbol("SDL_GetError") fn SDL_GetError() const *c::char;
+
+fn SDL_OpenAudioDevice(device: nullable *c::char, iscapture: int, desired: const *SDL_AudioSpec, obtained: *SDL_AudioSpec, allowed_changes: int) (SDL_AudioDeviceID | sdl2::error) = {
+	const ret = _SDL_OpenAudioDevice(device, iscapture, desired, obtained, allowed_changes);
+
+	if (ret == 0) {
+		return c::tostr(SDL_GetError()): sdl2::error;
+	};
+
+	return ret;
+};