FAQ

If you cannot play videos (.mp4) or view live video (LIVE room) on your computer.

If you are unable to play the video on your computer, the following may be the cause

1) When you can't play a video

Windows by default does not have a decoder for H.264 / H.265, so a decoder such as LAV Filters must be installed.
LAV Filters (Basically free software)

2) Cannot play with LAV Filters or other decoders in it.

4DMEDIAPLAYER uses the codec provided by Windows to playback mp4 files, so if Windows does not provide a codec that can be used properly, playback will not be possible.
Since the priority of codec provision depends on your environment, it must be configured for normal use.
Software such as Win7DSFilterTweaker is required for configuration.
How to Setting
  1. Download Win7DSFilterTweaker (Basically free software).
  2. Start the software and select "Preferred decoders".
  3. Set the [ H.264/H.265/mp4v ] item to [ LAV Filters ].
    *For details, please refer to "Setting the Decoder".