33 lines
953 B
JavaScript
33 lines
953 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.VorbisDecoder = void 0;
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const Token = require("token-types");
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class VorbisDecoder {
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constructor(data, offset) {
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this.data = data;
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this.offset = offset;
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}
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readInt32() {
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const value = Token.UINT32_LE.get(this.data, this.offset);
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this.offset += 4;
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return value;
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}
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readStringUtf8() {
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const len = this.readInt32();
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const value = Buffer.from(this.data).toString('utf-8', this.offset, this.offset + len);
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this.offset += len;
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return value;
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}
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parseUserComment() {
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const offset0 = this.offset;
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const v = this.readStringUtf8();
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const idx = v.indexOf('=');
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return {
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key: v.slice(0, idx).toUpperCase(),
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value: v.slice(idx + 1),
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len: this.offset - offset0
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};
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}
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}
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exports.VorbisDecoder = VorbisDecoder;
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