1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
package libnp
import (
"context"
"fmt"
"github.com/godbus/dbus/v5"
"strings"
"time"
)
func getInfo(ctx context.Context) (*Info, error) {
bus, err := dbus.ConnectSessionBus(dbus.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("opening session bus: %v", err)
}
defer bus.Close()
var names []string
if err := bus.BusObject().CallWithContext(ctx, "org.freedesktop.DBus.ListNames", 0).Store(&names); err != nil {
return nil, fmt.Errorf("listing dbus names: %v", err)
}
var r *Info
for _, name := range names {
if !strings.HasPrefix(name, "org.mpris.MediaPlayer2.") {
continue
}
var playing bool
o := bus.Object(name, "/org/mpris/MediaPlayer2")
var status string
if err := o.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.mpris.MediaPlayer2.Player", "PlaybackStatus").Store(&status); err != nil {
continue
}
switch status {
case "Playing":
playing = true
case "Paused":
playing = false
default:
continue
}
var metadata map[string]dbus.Variant
if err := o.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.mpris.MediaPlayer2.Player", "Metadata").Store(&metadata); err != nil {
continue
}
var info Info
if e, ok := metadata["mpris:length"].Value().(int64); ok {
info.Length = time.Duration(e) * time.Microsecond
}
if e, ok := metadata["mpris:artUrl"].Value().(string); ok {
info.ArtURL = e
}
if e, ok := metadata["xesam:album"].Value().(string); ok {
info.Album = e
}
if e, ok := metadata["xesam:albumArtist"].Value().([]string); ok && len(e) > 0 {
info.AlbumArtists = e
}
if e, ok := metadata["xesam:artist"].Value().([]string); ok && len(e) > 0 {
info.Artists = e
}
if e, ok := metadata["xesam:audioBPM"].Value().(int); ok {
info.BPM = e
}
if e, ok := metadata["xesam:composer"].Value().([]string); ok && len(e) > 0 {
info.Composers = e
}
if e, ok := metadata["xesam:contentCreated"].Value().(string); ok {
if t, err := time.Parse(time.RFC3339, e); err == nil {
info.Created = t
}
}
if e, ok := metadata["xesam:discNumber"].Value().(int); ok {
info.DiscNumber = e
}
if e, ok := metadata["xesam:firstUsed"].Value().(string); ok {
if t, err := time.Parse(time.RFC3339, e); err == nil {
info.FirstPlayed = t
}
}
if e, ok := metadata["xesam:genre"].Value().([]string); ok && len(e) > 0 {
info.Genres = e
}
if e, ok := metadata["xesam:lastUsed"].Value().(string); ok {
if t, err := time.Parse(time.RFC3339, e); err == nil {
info.LastPlayed = t
}
}
if e, ok := metadata["xesam:lyricist"].Value().([]string); ok && len(e) > 0 {
info.Lyricists = e
}
if e, ok := metadata["xesam:title"].Value().(string); ok {
info.Title = e
}
if e, ok := metadata["xesam:trackNumber"].Value().(int); ok {
info.TrackNumber = e
}
if e, ok := metadata["xesam:url"].Value().(string); ok {
info.URL = e
}
if e, ok := metadata["xesam:useCount"].Value().(int); ok {
info.PlayCount = e
}
r = &info
if playing {
return r, nil
}
}
return r, nil
}
|
