this adds the libopenmax virtual package for hardware based video acceleration
[Peter: fix openmax-without-any-backends check]
Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Those acceleration libraries typically have multiple implementations:
some are free (Mesa), some are proprietary (generally SoC specific).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>