remove: useless hints.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
change: faster refresh of panorama.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
minor changes.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
add: basic jitter correction.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>