upipe-blackmagic: check format detection caps
Add upipe-videocont
Add upipe-videocont (makefiles)
upipe-videocont: fix uref deletion / pts
add upipe-audiocont (broken, WIP)
add upipe-audiocont (makefiles only)
upump: add ecore integration.
m4: fix Ecore header tests.
Add upump_ecore_test
upump-ecore: fix lib and test

Fix broken upump-ecore and unit-test
Merge branch 'progcont'