Conversion M4A, MOV to MP3 file

[KkishanN]

Currently my solution is working fine with video formats(mp4, wmv) and audio format(aac). I have a requirement to convert M4A and MOV file format to mp3. I'm using FFMPeg and FFMPegCore do perform these operation.

using FFMpegCore.Pipes;
using FFMpegCore;

await FFMpegArguments.FromUrlInput(new Uri(name))
.OutputToPipe(new StreamPipeSink(outputStream), options => 
options.ForceFormat("mp3").WithAudioCodec(FFMpegCore.Enums.AudioCodec.LibMp3Lame)).ProcessAsynchronously();

Currently I'm getting empty file with no data.

Expecting a valid mp3 file

conversion is working for both M4A and MOV files if it is local path but not for Url and stream