AC4 file doesn't have sound when playing (playback issue)

Issue description:

AC4 file doesn’t have sound when playing the file, I asked other who used the app and they got same issue as well


Upload description: legacy98

Additional information:

File sample: WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free


Reproduction steps:



Media provider:

Local device




AC4 requires a license from Dolby and is not supported by ffmpeg.