api: add audio bitrate functionality

api/src/config.js

@@ -1,12 +1,5 @@
 const genericUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36";
 const supportedAudio = ["mp3", "ogg", "wav", "opus"];
-const ffmpegArgs = {
-    webm: ["-c:v", "copy", "-c:a", "copy"],
-    mp4: ["-c:v", "copy", "-c:a", "copy", "-movflags", "faststart+frag_keyframe+empty_moov"],
-    audio: ["-ar", "48000", "-ac", "2", "-b:a", "320k"],
-    m4a: ["-movflags", "frag_keyframe+empty_moov"],
-    gif: ["-vf", "scale=-1:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse", "-loop", "0"]
-}
 
 const env = {
     apiURL: process.env.API_URL || '',
@@ -42,5 +35,4 @@ export {
 
     genericUserAgent,
     supportedAudio,
-    ffmpegArgs,
 }