-
Notifications
You must be signed in to change notification settings - Fork 1
/
tag.go
289 lines (241 loc) · 6.88 KB
/
tag.go
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
package audiometa
import (
"bytes"
"image"
"io"
"os"
)
// OpenTagFromPath Opens the ID tag for the corresponding file as long as it is a supported filetype
// Use the OpenTagFromPath command and you will be able to access all metadata associated with the file
// If you don't pass ParseOptions this function will try to detect the filetype by the extension. If the extension can't be detected an error will occur.
func OpenTagFromPath(filepath string, p ...ParseOptions) (*IDTag, error) {
file, err := os.Open(filepath)
if err != nil {
return nil, err
}
var f FileType
if p == nil {
f, err = GetFileType(filepath)
if err != nil {
return nil, err
}
} else {
f = p[0].Format
}
return parse(file, ParseOptions{f})
}
// Open opens the tag for the passed in reader. It does not have to be a file, it can be a bytes.Reader, or any other interface that implements io.ReadSeeker
func Open(r io.ReadSeeker, p ParseOptions) (*IDTag, error) {
return parse(r, p)
}
// SaveTag saves the corresponding IDTag to the supplied io.Writer. It can be a bytes.Buffer, file, etc. If it's the same file as the input, audiometa creates a temp buffer to prevent a read/write circle.
func SaveTag(tag *IDTag, w io.Writer) error {
return tag.Save(w)
}
// ClearAllTags clears all tags except the fileUrl tag which is used to reference the file, takes an optional parameter "preserveUnkown": when this is true passThroughMap is not cleared and unknown tags are preserved
func (tag *IDTag) ClearAllTags(preserveUnknown ...bool) {
tag.artist = ""
tag.albumArtist = ""
tag.album = ""
tag.albumArt = nil
tag.comments = ""
tag.composer = ""
tag.genre = ""
tag.title = ""
tag.year = ""
tag.bpm = ""
tag.copyrightMsg = ""
tag.date = ""
tag.encodedBy = ""
tag.lyricist = ""
tag.language = ""
tag.length = ""
tag.partOfSet = ""
tag.publisher = ""
preserve := false
if len(preserveUnknown) != 0 {
preserve = preserveUnknown[0]
}
if !preserve {
tag.PassThrough = make(map[string]string)
}
}
// Artist gets the artist for a tag
func (tag *IDTag) Artist() string {
return tag.artist
}
// SetArtist sets the artist for a tag
func (tag *IDTag) SetArtist(artist string) {
tag.artist = artist
}
// AlbumArtist gets the album artist for a tag
func (tag *IDTag) AlbumArtist() string {
return tag.albumArtist
}
// SetAlbumArtist sets the album artist for a tag
func (tag *IDTag) SetAlbumArtist(albumArtist string) {
tag.albumArtist = albumArtist
}
// Album gets the album for a tag
func (tag *IDTag) Album() string {
return tag.album
}
// SetAlbum sets the album for a tag
func (tag *IDTag) SetAlbum(album string) {
tag.album = album
}
// Comments gets the comments for a tag
func (tag *IDTag) Comments() string {
return tag.comments
}
// SetComments sets the comments for a tag
func (tag *IDTag) SetComments(comments string) {
tag.comments = comments
}
// Composer gets the composer for a tag
func (tag *IDTag) Composer() string {
return tag.composer
}
// SetComposer sets the composer for a tag
func (tag *IDTag) SetComposer(composer string) {
tag.composer = composer
}
// Genre gets the genre for a tag
func (tag *IDTag) Genre() string {
return tag.genre
}
// SetGenre sets the genre for a tag
func (tag *IDTag) SetGenre(genre string) {
tag.genre = genre
}
// Title gets the title for a tag
func (tag *IDTag) Title() string {
return tag.title
}
// SetTitle sets the title for a tag
func (tag *IDTag) SetTitle(title string) {
tag.title = title
}
// Year gets the year for a tag as a string
func (tag *IDTag) Year() string {
return tag.year
}
// SetYear sets the year for a tag
func (tag *IDTag) SetYear(year string) {
tag.year = year
}
// BPM gets the BPM for a tag as a string
func (tag *IDTag) BPM() string {
return tag.bpm
}
// SetBPM sets the BPM for a tag
func (tag *IDTag) SetBPM(bpm string) {
tag.bpm = bpm
}
// CopyrightMs gets the Copyright Messgae for a tag
func (tag *IDTag) CopyrightMsg() string {
return tag.copyrightMsg
}
// SetCopyrightMsg sets the Copyright Message for a tag
func (tag *IDTag) SetCopyrightMsg(copyrightMsg string) {
tag.copyrightMsg = copyrightMsg
}
// Date gets the date for a tag as a string
func (tag *IDTag) Date() string {
return tag.date
}
// SetDate sets the date for a tag
func (tag *IDTag) SetDate(date string) {
tag.date = date
}
// EncodedBy gets who encoded the tag
func (tag *IDTag) EncodedBy() string {
return tag.encodedBy
}
// SetEncodedBy sets who encoded the tag
func (tag *IDTag) SetEncodedBy(encodedBy string) {
tag.encodedBy = encodedBy
}
// Lyricist gets the lyricist for the tag
func (tag *IDTag) Lyricist() string {
return tag.lyricist
}
// SetLyricist sets the lyricist for the tag
func (tag *IDTag) SetLyricist(lyricist string) {
tag.lyricist = lyricist
}
// FileType gets the filetype of the tag
func (tag *IDTag) FileType() string {
return tag.fileType
}
// SetFileType sets the filtype of the tag
func (tag *IDTag) SetFileType(fileType string) {
tag.fileType = fileType
}
// Language gets the language of the tag
func (tag *IDTag) Language() string {
return tag.language
}
// SetLanguage sets the lanuguage of the tag
func (tag *IDTag) SetLanguage(language string) {
tag.language = language
}
// Length gets the length of the audio file
func (tag *IDTag) Length() string {
return tag.length
}
// SetLength sets the length of the audio file
func (tag *IDTag) SetLength(length string) {
tag.length = length
}
// PartOfSet gets if the track is part of a set
func (tag *IDTag) PartOfSet() string {
return tag.partOfSet
}
// SetPartOfSet sets if the track is part of a set
func (tag *IDTag) SetPartOfSet(partOfSet string) {
tag.partOfSet = partOfSet
}
// Publisher gets the publisher for the tag
func (tag *IDTag) Publisher() string {
return tag.publisher
}
// SetPublisher sets the publisher for the tag
func (tag *IDTag) SetPublisher(publisher string) {
tag.publisher = publisher
}
// AdditionalTags gets all additional (unmapped) tags
func (tag *IDTag) AdditionalTags() map[string]string {
return tag.PassThrough
}
// SetAdditionalTag sets an additional (unmapped) tag taking an id and value (id,value) (ogg only)
func (tag *IDTag) SetAdditionalTag(id string, value string) {
tag.PassThrough[id] = value
}
// SetAlbumArtFromByteArray sets the album art by passing a byte array for the album art
func (tag *IDTag) SetAlbumArtFromByteArray(albumArt []byte) error {
img, _, err := image.Decode(bytes.NewReader(albumArt))
if err != nil {
return err
}
tag.albumArt = &img
return nil
}
// SetAlbumArtFromImage sets the album art by passing an *image.Image as the album art
func (tag *IDTag) SetAlbumArtFromImage(albumArt *image.Image) {
tag.albumArt = albumArt
}
// SetAlbumArtFromFilePath sets the album art by passing a filepath as a string
func (tag *IDTag) SetAlbumArtFromFilePath(filePath string) error {
f, err := os.Open(filePath)
if err != nil {
return err
}
defer f.Close()
img, _, err := image.Decode(f)
if err != nil {
return err
}
tag.albumArt = &img
return nil
}