Add the remaining of the miniaudio API

2026-08-08 00:28:49 +00:00 · 2021-09-17 14:09:45 +01:00
parent f38b7ebf42
commit 64f5ba6ba1
5 changed files with 385 additions and 7 deletions
@@ -0,0 +1,84 @@
+package miniaudio
+
+import "core:c"
+
+when ODIN_OS == "windows" { foreign import lib "../lib/miniaudio.lib" }
+
+waveform_type :: enum c.int {
+	sine,
+	square,
+	triangle,
+	sawtooth,
+}
+
+waveform_config :: struct {
+	format:     format,
+	channels:   u32,
+	sampleRate: u32,
+	type:       waveform_type,
+	amplitude:  f64,
+	frequency:  f64,
+}
+
+
+waveform :: struct {
+	ds:      data_source_base,
+	config:  waveform_config,
+	advance: f64,
+	time:    f64,
+}
+
+
+noise_type :: enum c. int {
+	white,
+	pink,
+	brownian,
+}
+
+noise_config :: struct {
+	format:            format,
+	channels:          u32,
+	type:              noise_type,
+	seed:              i32,
+	amplitude:         f64,
+	duplicateChannels: b32,
+}
+
+noise :: struct {
+	ds:     data_source_vtable,
+	config: noise_config,
+	lcg:    lcg,
+	state: struct #raw_union {
+		pink: struct {
+			bin:          [MAX_CHANNELS][16]f64,
+			accumulation: [MAX_CHANNELS]f64,
+			counter:      [MAX_CHANNELS]u32,
+		},
+		brownian: struct {
+			accumulation: [MAX_CHANNELS]f64,
+		},
+	},
+}
+
+@(default_calling_convention="c", link_prefix="ma_")
+foreign lib {
+	waveform_config_init :: proc(format: format, channels: u32, sampleRate: u32, type: waveform_type, amplitude: f64, frequency: f64) -> waveform_config ---
+
+	waveform_init              :: proc(pConfig: ^waveform_config, pWaveform: ^waveform) -> result ---
+	waveform_uninit            :: proc(pWaveform: ^waveform) ---
+	waveform_read_pcm_frames   :: proc(pWaveform: ^waveform, pFramesOut: rawptr, frameCount: u64) -> u64 ---
+	waveform_seek_to_pcm_frame :: proc(pWaveform: ^waveform, frameIndex: u64) -> result ---
+	waveform_set_amplitude     :: proc(pWaveform: ^waveform, amplitude: f64) -> result ---
+	waveform_set_frequency     :: proc(pWaveform: ^waveform, frequency: f64) -> result ---
+	waveform_set_type          :: proc(pWaveform: ^waveform, type: waveform_type) -> result ---
+	waveform_set_sample_rate   :: proc(pWaveform: ^waveform, sampleRate: u32) -> result ---
+
+	noise_config_init :: proc(format: format, channels: u32, type: noise_type, seed: i32, amplitude: f64) -> noise_config ---
+
+	noise_init            :: proc(pConfig: ^noise_config, pNoise: ^noise) -> result ---
+	noise_uninit          :: proc(pNoise: ^noise) ---
+	noise_read_pcm_frames :: proc(pNoise: ^noise, pFramesOut: rawptr, frameCount: u64) -> u64 ---
+	noise_set_amplitude   :: proc(pNoise: ^noise, amplitude: f64) -> result ---
+	noise_set_seed        :: proc(pNoise: ^noise, seed: i32) -> result ---
+	noise_set_type        :: proc(pNoise: ^noise, type: noise_type) -> result ---
+}