Bug#738760: libav: Add proper raspberry pi CPU detection

[Sebastian Ramacher]

On 2015-02-12 00:41:43, peter green wrote:
> On 12/02/15 00:29, Sebastian Ramacher wrote:
> >Hi Peter,
> >
> >Rasbperry Pi 2 has now been released and, if I read the news correctly,
> >it supports NEON instructions. Should we revert the changes or do they
> >need any modifications?
> That is a question that will need some experimentation/testing to answer.
> 
> What is the best way to test libav? (ideally a test that can be done on the
> built packages rather than at build time)

The easiest way to test it would be to run the FATE suite after the
build:

  $ make fate-rsync SAMPLES=/tmp/fate-samples
  $ make fate SAMPLES=/tmp/fate-samples

Using a helper script (via TEST_EXEC) it is possible to execute
/usr/bin/avprobe and /usr/bin/avconv instead of the executables from the
build. But I wasn't able to get it to work without running a build first.

Cheers
-- 
Sebastian Ramacher
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