Create objects for tracking audio devices

internal/page/AudioOptions.go

@@ -37,20 +37,34 @@ var AudioFileList = []db.AudioFile{
 
 const triangleSize = float32(16)
 
+type AudioDevice struct {
+	Label string
+	ID    int
+}
+
 type AudioOptions struct {
+	// Page Attributes
 	Base
-	font           *fontManager.FontEntry
-	textShader     *shaderManager.Shader
-	solidShader    *shaderManager.Shader
-	title          StringItem
-	prompt         StringItem
+	font        *fontManager.FontEntry
+	textShader  *shaderManager.Shader
+	solidShader *shaderManager.Shader
+	CfgPtr      *db.AppConfig
+
+	// Page Textures
+	title  StringItem
+	prompt StringItem
+
+	// Layout
 	verticalMargin int32
 	ItemScale      float32
-	CfgPtr         *db.AppConfig
 
 	// Audio toggle
 	AudioStatusToggle StringItem
 
+	// Audio Devices
+	AudioDevices        []AudioDevice
+	AudioDeviceTextures []StringItem
+
 	// Volume row
 	VolumeLabel   StringItem
 	volumePercent StringItem
@@ -187,6 +201,29 @@ func (p *AudioOptions) CreateAudioStatusItem() error {
 	return nil
 }
 
+// ── Audio Output Devices ──────────────────────────────────────────────────────
+func (p *AudioOptions) GetAudioDevices() error {
+	numAudioDevices := sdl.GetNumAudioDevices(false)
+	if numAudioDevices == 0 {
+		return nil
+	}
+	var audioDevices = make([]AudioDevice, numAudioDevices)
+	for i := range numAudioDevices {
+		audioDevice := sdl.GetAudioDeviceName(i, false)
+		audioDevices = append(audioDevices, AudioDevice{Label: audioDevice, ID: i})
+	}
+	p.AudioDevices = audioDevices
+
+	for i := range audioDevices {
+		newAudioDeviceStringItem, err := NewStringItem(p.AudioDevices[i].Label, p.font, colors.White)
+		if err != nil {
+			return err
+		}
+		p.AudioDeviceTextures = append(p.AudioDeviceTextures, newAudioDeviceStringItem)
+	}
+	return nil
+}
+
 // ── Volume ────────────────────────────────────────────────────────────────────
 
 func (p *AudioOptions) CreateVolumePercentItem() error {
@@ -335,7 +372,7 @@ func (p *AudioOptions) renderVolumeBar() error {
 		{{bx, by}, {bw, thickness}},
 		{{bx, by + bh - thickness}, {bw, thickness}},
 		{{bx, by}, {thickness, bh}},
-		{{bx + bw - thickness}, {thickness, bh}},
+		{{bx + bw - thickness, by}, {thickness, bh}},
 	}
 	for _, r := range outlineRects {
 		if err := p.RenderSolidColorQuad(p.solidShader, r[0], r[1], colors.Green); err != nil {