AAC playback

README.md

@@ -17,6 +17,7 @@ A terminal-based music player for [SomaFM](https://somafm.com/) radio stations b
 - Stations sorted by listener count
 - Favorites management
 - Persistent configuration (volume, favorites, last station)
+- User-selectable preferred stream format (MP3 or AAC)
 - Customizable color themes
 - Automatic retry on stream failure
 
@@ -71,6 +72,7 @@ somafm --help       # Show help and config file path
 | `←` `→` or `+` `-` | Volume up / down     |
 | `Scroll`           | Volume (on volume bar) |
 | `m`                | Mute / Unmute        |
+| `s`                | Toggle preferred stream format |
 | `f`                | Toggle favorite      |
 | `?`                | Show help            |
 | `a`                | About                |
@@ -84,6 +86,7 @@ Configuration is saved automatically to `~/.config/somafm/config.yml`.
 volume: 70                    # Volume level (0-100)
 last_station: groovesalad     # Last played station ID
 autostart: false              # Auto-play last station on launch (true/false)
+preferred_format: mp3         # Preferred stream format: mp3 or aac
 favorites:                    # List of favorite station IDs
   - groovesalad
   - dronezone
@@ -94,7 +97,7 @@ theme:                        # Color customization
   highlight: "#ff9d65"
 ```
 
-Settings are saved when you adjust volume, select a station, or toggle favorites.
+Settings are saved when you adjust volume, select a station, toggle favorites, or switch the preferred stream format.
 
 ### Theme Options
 

go.mod

@@ -1,13 +1,14 @@
 module github.com/glebovdev/somafm-cli
 
-go 1.25.0
+go 1.25.6
 
 require (
 	github.com/gdamore/tcell/v2 v2.13.8
 	github.com/go-resty/resty/v2 v2.17.1
 	github.com/gopxl/beep/v2 v2.1.1
 	github.com/rivo/tview v0.42.0
 	github.com/rs/zerolog v1.34.0
+	github.com/skrashevich/go-aac v0.1.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 

go.sum

@@ -37,6 +37,8 @@ github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUc
 github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
 github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
 github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
+github.com/skrashevich/go-aac v0.1.0 h1:7oHNj1ADmgfjAHvi3wAIFbmbCpQBrcjZEVTLlRtAS1A=
+github.com/skrashevich/go-aac v0.1.0/go.mod h1:Mj7r//4LDL4FC0ezORj+MnmQ+nDEkJhTOy2aMC8dzww=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=

internal/config/config.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 	"sync"
 
 	"github.com/gdamore/tcell/v2"
@@ -27,6 +28,9 @@ const (
 	DefaultVolume  = 70
 	MinVolume      = 0
 	MaxVolume      = 100
+
+	AudioFormatMP3 = "mp3"
+	AudioFormatAAC = "aac"
 )
 
 // ClampVolume ensures volume is within the valid range [0, 100].
@@ -40,6 +44,15 @@ func ClampVolume(volume int) int {
 	return volume
 }
 
+func NormalizePreferredFormat(format string) string {
+	switch strings.ToLower(strings.TrimSpace(format)) {
+	case AudioFormatAAC:
+		return AudioFormatAAC
+	default:
+		return AudioFormatMP3
+	}
+}
+
 // AppVersion can be overridden at build time using ldflags:
 // go build -ldflags "-X github.com/glebovdev/somafm-cli/internal/config.AppVersion=1.0.0"
 var AppVersion = "dev"
@@ -61,11 +74,12 @@ type Theme struct {
 }
 
 type Config struct {
-	Volume      int      `yaml:"volume"`
-	LastStation string   `yaml:"last_station"`
-	Autostart   bool     `yaml:"autostart"`
-	Favorites   []string `yaml:"favorites"`
-	Theme       Theme    `yaml:"theme"`
+	Volume          int      `yaml:"volume"`
+	LastStation     string   `yaml:"last_station"`
+	Autostart       bool     `yaml:"autostart"`
+	PreferredFormat string   `yaml:"preferred_format"`
+	Favorites       []string `yaml:"favorites"`
+	Theme           Theme    `yaml:"theme"`
 
 	saveMu sync.Mutex `yaml:"-"`
 }
@@ -101,6 +115,7 @@ func Load() (*Config, error) {
 	}
 
 	cfg.Volume = ClampVolume(cfg.Volume)
+	cfg.PreferredFormat = NormalizePreferredFormat(cfg.PreferredFormat)
 
 	return cfg, nil
 }
@@ -156,10 +171,11 @@ func (c *Config) Save() error {
 
 func DefaultConfig() *Config {
 	return &Config{
-		Volume:      DefaultVolume,
-		LastStation: "",
-		Autostart:   false,
-		Favorites:   []string{},
+		Volume:          DefaultVolume,
+		LastStation:     "",
+		Autostart:       false,
+		PreferredFormat: AudioFormatMP3,
+		Favorites:       []string{},
 		Theme: Theme{
 			Background:                  "#1a1b25",
 			Foreground:                  "#a3aacb",

internal/config/config_test.go

@@ -20,15 +20,20 @@ func TestDefaultConfig(t *testing.T) {
 	if cfg.Autostart != false {
 		t.Errorf("DefaultConfig().Autostart = %v, want false", cfg.Autostart)
 	}
+
+	if cfg.PreferredFormat != AudioFormatMP3 {
+		t.Errorf("DefaultConfig().PreferredFormat = %q, want %q", cfg.PreferredFormat, AudioFormatMP3)
+	}
 }
 
 func TestConfigSaveAndLoad(t *testing.T) {
 	tmpDir := t.TempDir()
 	t.Setenv("HOME", tmpDir)
 
 	testCfg := &Config{
-		Volume:      85,
-		LastStation: "groovesalad",
+		Volume:          85,
+		LastStation:     "groovesalad",
+		PreferredFormat: AudioFormatAAC,
 	}
 
 	err := testCfg.Save()
@@ -53,6 +58,10 @@ func TestConfigSaveAndLoad(t *testing.T) {
 	if loadedCfg.LastStation != testCfg.LastStation {
 		t.Errorf("Load().LastStation = %q, want %q", loadedCfg.LastStation, testCfg.LastStation)
 	}
+
+	if loadedCfg.PreferredFormat != testCfg.PreferredFormat {
+		t.Errorf("Load().PreferredFormat = %q, want %q", loadedCfg.PreferredFormat, testCfg.PreferredFormat)
+	}
 }
 
 func TestLoadNonExistentConfig(t *testing.T) {
@@ -93,8 +102,9 @@ func TestVolumeValidation(t *testing.T) {
 			t.Setenv("HOME", tmpDir)
 
 			testCfg := &Config{
-				Volume:      tt.inputVolume,
-				LastStation: "groovesalad",
+				Volume:          tt.inputVolume,
+				LastStation:     "groovesalad",
+				PreferredFormat: AudioFormatAAC,
 			}
 
 			err := testCfg.Save()
@@ -145,8 +155,9 @@ func TestThemePersistence(t *testing.T) {
 	t.Setenv("HOME", tmpDir)
 
 	testCfg := &Config{
-		Volume:      70,
-		LastStation: "groovesalad",
+		Volume:          70,
+		LastStation:     "groovesalad",
+		PreferredFormat: AudioFormatAAC,
 		Theme: Theme{
 			Background: "black",
 			Foreground: "yellow",
@@ -177,6 +188,9 @@ func TestThemePersistence(t *testing.T) {
 	if loadedCfg.Theme.Highlight != "red" {
 		t.Errorf("Theme.Highlight = %q, want %q", loadedCfg.Theme.Highlight, "red")
 	}
+	if loadedCfg.PreferredFormat != AudioFormatAAC {
+		t.Errorf("PreferredFormat = %q, want %q", loadedCfg.PreferredFormat, AudioFormatAAC)
+	}
 }
 
 func TestIsFavorite(t *testing.T) {