This is a manual revert of 878169fe, which is not needed anymore.
Additionally, it fixes blayback with devices which are not fast
enough for starting up.

close #9886

damn ! cid 1132614/1132615

ref #9957

Even if should not have any impact during execution.

Seems some encoder reuses previous memory area for junk sections.

close #9864

While current spec doesn't make use of > WORD sizes,
the code was following the spec and reading variable length
up to 3 bytes precision and writing it to a (int *)...
This patch fixes signedness too.

Should fix problems like #2243.
After a seek, the updated position could be the keyframe position
choosen by demux, and then lower than A.

macosx: show 'pause iTunes' option in a more accessible place since it is being asked for a lot (close #9954)

Use deinterlace etc filter output to input as user defined video filters
and make sure visible width/height is defined for that.

No functional change.

Allow audio pts fluctuate within drift limits as we calculate the drift
related to master sync time anyway.

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>