I believe HandBrake just does this to save space in the output. The rationale being if they are just black why encode them at all.
The aspect ratio of the video shouldn't be changing, what are you using for playback?
I believe HandBrake just does this to save space in the output. The rationale being if they are just black why encode them at all.
The aspect ratio of the video shouldn't be changing, what are you using for playback?