EmmmX
4 years ago
committed by
GitHub
GitHub
16 changed files with 1246 additions and 701 deletions
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@ -0,0 +1,52 @@ |
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export const FLAC_HEADER = [0x66, 0x4C, 0x61, 0x43]; |
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export const MP3_HEADER = [0x49, 0x44, 0x33]; |
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export const OGG_HEADER = [0x4F, 0x67, 0x67, 0x53]; |
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export const M4A_HEADER = [0x66, 0x74, 0x79, 0x70]; |
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export const WMA_HEADER = [ |
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0x30, 0x26, 0xB2, 0x75, 0x8E, 0x66, 0xCF, 0x11, |
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0xA6, 0xD9, 0x00, 0xAA, 0x00, 0x62, 0xCE, 0x6C, |
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] |
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export const WAV_HEADER = [0x52, 0x49, 0x46, 0x46] |
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export const AAC_HEADER = [0xFF, 0xF1] |
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export function BytesHasPrefix(data: Uint8Array, prefix: number[]): boolean { |
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if (prefix.length > data.length) return false |
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return prefix.every((val, idx) => { |
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return val === data[idx]; |
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}) |
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} |
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|
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export function BytesEquals(data: Uint8Array, another: Uint8Array): boolean { |
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if (another.length != data.length) return false |
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return data.every((val, idx) => { |
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return val === another[idx]; |
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}) |
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} |
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|
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export function SniffAudioExt(data: Uint8Array, fallback_ext: string = "mp3"): string { |
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if (BytesHasPrefix(data, MP3_HEADER)) return ".mp3" |
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if (BytesHasPrefix(data, FLAC_HEADER)) return ".flac" |
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if (BytesHasPrefix(data, OGG_HEADER)) return ".ogg" |
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if (data.length >= 4 + M4A_HEADER.length && |
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BytesHasPrefix(data.slice(4), M4A_HEADER)) return ".m4a" |
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if (BytesHasPrefix(data, WAV_HEADER)) return ".wav" |
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if (BytesHasPrefix(data, WMA_HEADER)) return ".wma" |
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if (BytesHasPrefix(data, AAC_HEADER)) return ".aac" |
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return fallback_ext; |
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} |
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|
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export function GetArrayBuffer(obj: Blob): Promise<ArrayBuffer> { |
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if (!!obj.arrayBuffer) return obj.arrayBuffer() |
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return new Promise((resolve, reject) => { |
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const reader = new FileReader(); |
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reader.onload = (e) => { |
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const rs = e.target?.result |
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if (!rs) { |
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reject("read file failed") |
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} else { |
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resolve(rs as ArrayBuffer) |
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} |
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}; |
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reader.readAsArrayBuffer(obj); |
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}); |
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} |
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@ -0,0 +1,17 @@ |
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import Vue, {VNode} from 'vue' |
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|
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declare global { |
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namespace JSX { |
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// tslint:disable no-empty-interface
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interface Element extends VNode { |
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} |
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|
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// tslint:disable no-empty-interface
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interface ElementClass extends Vue { |
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} |
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|
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interface IntrinsicElements { |
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[elem: string]: any |
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} |
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} |
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} |
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@ -0,0 +1,4 @@ |
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declare module '*.vue' { |
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import Vue from 'vue' |
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export default Vue |
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} |
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@ -0,0 +1,41 @@ |
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{ |
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"compilerOptions": { |
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"target": "esnext", |
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"module": "esnext", |
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"strict": true, |
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"jsx": "preserve", |
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"importHelpers": true, |
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"moduleResolution": "node", |
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"experimentalDecorators": true, |
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"allowJs": true, |
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"skipLibCheck": true, |
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"esModuleInterop": true, |
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"allowSyntheticDefaultImports": true, |
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"sourceMap": true, |
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"baseUrl": ".", |
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"types": [ |
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"webpack-env" |
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], |
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"paths": { |
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"@/*": [ |
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"src/*" |
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] |
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}, |
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"lib": [ |
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"esnext", |
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"dom", |
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"dom.iterable", |
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"scripthost" |
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] |
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}, |
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"include": [ |
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"src/**/*.ts", |
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"src/**/*.tsx", |
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"src/**/*.vue", |
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"tests/**/*.ts", |
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"tests/**/*.tsx" |
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], |
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"exclude": [ |
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"node_modules" |
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] |
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} |
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