when u try convert mkv file to mp4
1. subtile track are in taken into count, are not copy into mp4 container
2. if the video is h264 already have a options if u want recoding or simple mux it again.
1. subtile track are in taken into count, are not copy into mp4 container
2. if the video is h264 already have a options if u want recoding or simple mux it again.