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http://opencast.jira.com/browse/MH-7570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=26600#comment-26600
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Rubén Pérez Vázquez commented on MH-7570:
-----------------------------------------
I know this is "On review", but I see several errors here:
a) Some people said: "Maybe it's better if we download the driver from the
Epiphan page and compile it ourselves". Well, this is a snippet from the CA
install scripts:
{code}
make &> /dev/null && make load &> /dev/null
{code}
In other words: first the driver is compiled via make and then installed as a
kernel module using make install. Therefore, using the scripts is just like
doing it "by hand".
A word of warning: it *seems* that in order for gstreamer to work, the driver
must be installed with 2 framebuffers instead of 1, which is the default. Those
who don't patch the Makefile will probably not be able to make gstreamer work
with their Epiphan.
b) It's always a bad idea to use the printed messages from any command.
Instead, status values should be checked, or, at least, the text processing
"hooks" shouldn't rely on the text itself, but on its structure (punctuation
marks, for instance). AFAIK, v4l-info returns nonzero on error, and that's what
should be checked, rather than the message printed.
> Epiphan Driver Changes Breaks Kangaroo pipeline patch
> -----------------------------------------------------
>
> Key: MH-7570
> URL: http://opencast.jira.com/browse/MH-7570
> Project: Matterhorn Project
> Issue Type: Bug
> Components: Capture (Devices and Software)
> Affects Versions: 1.1
> Reporter: Micah Sutton
> Assignee: Adam McKenzie
> Priority: Release Blocker
> Fix For: 1.1.1, 1.2
>
>
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