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Add lyrics field to metadata

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This commit is contained in:
Vanilagy
2025-08-26 17:36:49 +02:00
parent fb0c41aa09
commit c82ebb93da
5 changed files with 63 additions and 24 deletions
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src/mp3/mp3-writer.ts
+26 -4
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@@ -17,6 +17,7 @@ import {
SAMPLING_RATES,
XING,
} from '../../shared/mp3-misc';
import { Id3V2TextEncoding } from './mp3-reader';
export type XingFrameData = {
mpegVersionId: number;
@@ -89,7 +90,7 @@ export class Mp3Writer {
this.writeSynchsafeU32(frameSize);
this.writeU16(0x0000);
this.writeU8(useIso88591 ? 0x00 : 0x03);
this.writeU8(useIso88591 ? Id3V2TextEncoding.ISO_8859_1 : Id3V2TextEncoding.UTF_8);
if (useIso88591) {
this.writeIsoString(text);
} else {
@@ -97,17 +98,38 @@ export class Mp3Writer {
}
}
writeId3V2LyricsFrame(lyrics: string) {
const useIso88591 = isIso88591Compatible(lyrics);
const shortDescription = '';
const frameSize = 1 + 3 + shortDescription.length + 1 + lyrics.length + 1;
this.writeAscii('USLT');
this.writeSynchsafeU32(frameSize);
this.writeU16(0x0000);
this.writeU8(useIso88591 ? Id3V2TextEncoding.ISO_8859_1 : Id3V2TextEncoding.UTF_8);
this.writeAscii('und');
if (useIso88591) {
this.writeIsoString(shortDescription);
this.writeIsoString(lyrics);
} else {
this.writeUtf8String(shortDescription);
this.writeUtf8String(lyrics);
}
}
writeId3V2CommentFrame(comment: string) {
const useIso88591 = isIso88591Compatible(comment);
const textDataLength = useIso88591 ? comment.length : textEncoder.encode(comment).byteLength;
const frameSize = 1 + 3 + 1 + textDataLength + 1;
const shortDescription = '';
const frameSize = 1 + 3 + shortDescription.length + 1 + textDataLength + 1;
this.writeAscii('COMM');
this.writeSynchsafeU32(frameSize);
this.writeU16(0x0000);
this.writeU8(useIso88591 ? 0x00 : 0x03);
this.writeU8(useIso88591 ? Id3V2TextEncoding.ISO_8859_1 : Id3V2TextEncoding.UTF_8);
this.writeU8(0x75); // 'u'
this.writeU8(0x6E); // 'n'
this.writeU8(0x64); // 'd'
@@ -130,7 +152,7 @@ export class Mp3Writer {
this.writeSynchsafeU32(frameSize);
this.writeU16(0x0000);
this.writeU8(useIso88591 ? 0x00 : 0x03);
this.writeU8(useIso88591 ? Id3V2TextEncoding.ISO_8859_1 : Id3V2TextEncoding.UTF_8);
if (useIso88591) {
this.writeIsoString(mimeType);