Hi I tried an MP4 file in three different browser script players. I tried funscript.io, handyfeeling and funscript player. All have the same issue. I’m using chrome. My other mp4 vids work fine but I have issues with 2 or 3 where the audio plays but all I see are a black screen.
I compared the file properties with other files that work fine and don’t see any difference other than file size and bit rate. The files play fine in VLC.
The codec used in a media file is not something that VLC has the ability to change, as far as I know.
If you’ve found that the problem files all use a similar codec, and that codec isn’t used by any of the good files, then you have a few options available to you.
Re-encode / transcode the file to use a codec that works for you.
Find a way to allow chrome to work with that codec.
The codec is the one that the video has been encoded with. Some many video players require that you have the necessary codecs installed. VLC is one of the exceptions and has its own codecs for the most commonly used formats.
Another way of checking how a video is encoded is to use https://mediaarea.net/MediaInfoOnline. Nothing is uploaded anywhere so don’t worry about file sizes and bandwidth.