lavd/v4l2: honor previously selected input channel
authorGiorgio Vazzana <mywing81@gmail.com>
Tue, 19 Mar 2013 18:09:38 +0000 (19:09 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Sat, 23 Mar 2013 12:43:56 +0000 (13:43 +0100)
commit785b849f1c231698ba66468bc35c393fa99b270c
tree70584e8a05a5a08086a8355e1b07ddddd80cfaf4
parent2a97c5915b8f7ef8048c934b2047912873719568
lavd/v4l2: honor previously selected input channel

An input channel could have been previously set with another application, like
v4l2-ctl, so if no input channel is specified use the previosly selected one.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc/indevs.texi
libavdevice/v4l2.c