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codecત્યpl

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Reid 2025-04-28 20:49:03 -07:00
parent b8da59086b
commit f233d9e64f
Signed by: reidlab
GPG key ID: DAF5EAF6665839FD
10 changed files with 343 additions and 1121 deletions
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27
src/downloader/index.ts
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@ -3,10 +3,13 @@ import { spawn } from "node:child_process";
import path from "node:path";
import { addToCache, isCached } from "../cache.js";
// TODO: make this have a return type
export async function downloadSong(streamUrl: string, decryptionKey: string): Promise<void> {
const baseOutputName = streamUrl.split("/").at(-1)?.split("?").at(0)?.split(".").splice(0, 1).join(".")?.trim();
// TODO: make this have a return type (file path)
// TODO: refresh cache timer on download
// TODO: remux to m4a?
export async function downloadSong(streamUrl: string, decryptionKey: string, songCodec: RegularCodec | WebplaybackCodec): Promise<void> {
let baseOutputName = streamUrl.split("/").at(-1)?.split("?").at(0)?.split(".").splice(0, 1).join(".")?.trim();
if (!baseOutputName) { throw "could not get base output name from stream url"; }
baseOutputName += `_${songCodec}`;
const encryptedName = baseOutputName + "_enc.mp4";
const encryptedPath = path.join(config.downloader.cache.directory, encryptedName);
const decryptedName = baseOutputName + ".mp4";
@ -48,3 +51,21 @@ export async function downloadSong(streamUrl: string, decryptionKey: string): Pr
addToCache(encryptedName);
addToCache(decryptedName);
}
// TODO: find a better spot for this
export enum RegularCodec {
Aac = "aac",
AacHe = "aac_he",
AacBinaural = "aac_binaural",
AacDownmix = "aac_downmix",
AacHeBinaural = "aac_he_binaural",
AacHeDownmix = "aac_he_downmix",
Atmos = "atmos",
Ac3 = "ac3",
Alac = "alac"
}
export enum WebplaybackCodec {
AacLegacy = "aac_legacy",
AacHeLegacy = "aac_he_legacy"
}