Merged 3 videos using FFMPEG in android not working after lib upgraded to Android 10.

It was working all great before upgrading lib to Android 10, After upgrading ffmpeg lib to Android 10, I am facing an issue that video stays black and audio plays in firefox and chrome. This issue only happens in firefox and chrome. It works well on Safari. So not sure what is the issue.

Here is my code to merge 3 videos: https://www.dropbox.com/s/jvczuhkmlt76ykd/Androidcode.rtf?dl=0