In case a subtitle exists, it is better to output: [info] Video subtitle RP3LhqcBThg_mp4.en.vtt is already present instead of [info] Video subtitle en.vtt is already present
In case a subtitle exists, it is better to output: [info] Video subtitle RP3LhqcBThg_mp4.en.vtt is already present instead of [info] Video subtitle en.vtt is already present