v4l2object: query minimum required buffers for output
authorAurélien Zanelli <aurelien.zanelli@parrot.com>
Fri, 25 Jul 2014 15:42:20 +0000 (17:42 +0200)
committerNicolas Dufresne <nicolas.dufresne@collabora.co.uk>
Fri, 25 Jul 2014 17:43:09 +0000 (13:43 -0400)
commit010272a796325d3b9a94b5dcf887706cd2524b27
treeb4dd3d0f3e108cef9840378f63ad9b25d088404c
parentde799f4d8435d579f8c8ecc1aec6852589a5a6d4
v4l2object: query minimum required buffers for output

Some v4l2 devices could require a minimum buffers different from default
values. Rather than blindly propose a pool with min-buffers set to the
default value, it ask the device using control ioctl.

https://bugzilla.gnome.org/show_bug.cgi?id=733750
sys/v4l2/gstv4l2object.c