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Consider to remove "hw codec" and "camera hw" usage limiatations on FirefoxOS(gonk)
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Sotaro Ikeda  
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 More options Oct 19 2012, 7:50 am
Newsgroups: mozilla.dev.media
From: Sotaro Ikeda <ikesod...@gmail.com>
Date: Fri, 19 Oct 2012 20:50:53 +0900
Local: Fri, Oct 19 2012 7:50 am
Subject: Consider to remove "hw codec" and "camera hw" usage limiatations on FirefoxOS(gonk)
Hi all,

On FirefoxOS(gonk), hw codecs and camera hw are loaded in application's
process. These hardwares request high privilege(like system) to the
processes.

This produce following restrictions and problems.
- normal web contents could not use the hardwares capability directly.
- an application needs to have "deprecated-hwvideo" or "camera" permission
in manifest.webapp to use them.
- could not apply the privilege to an application durinng its running. It
needs theprocess restart.
- camara hw might be loaded from multiple processes. In android, camera hw
is loaded from only one process(mediaserver).
- application processes with deprecated-hwvideo/camera permission have too
high privilege

IMHO, it is necessary to remove the restrictions. Then, I created bug
803471, bug 798202 and bug 798773 for the problems.
camera hw handling still has a problem, though they basically work on my
phone.

Is it a correct way to go? Can I have comments about them?

https://bugzilla.mozilla.org/show_bug.cgi?id=803471
https://bugzilla.mozilla.org/show_bug.cgi?id=798202
https://bugzilla.mozilla.org/show_bug.cgi?id=798773

Thanks in advance
sotaro


 
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Robert O'Callahan  
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 More options Oct 23 2012, 6:07 am
Newsgroups: mozilla.dev.media
From: "Robert O'Callahan" <rob...@ocallahan.org>
Date: Tue, 23 Oct 2012 23:07:35 +1300
Local: Tues, Oct 23 2012 6:07 am
Subject: Re: Consider to remove "hw codec" and "camera hw" usage limiatations on FirefoxOS(gonk)

The idea sounds good to me, but Chris Double and Ka-Ru Chen are the best
people to give you detailed comments.

Rob
--
“You have heard that it was said, ‘Love your neighbor and hate your enemy.’
But I tell you, love your enemies and pray for those who persecute you,
that you may be children of your Father in heaven. ... If you love those
who love you, what reward will you get? Are not even the tax collectors
doing that? And if you greet only your own people, what are you doing more
than others?" [Matthew 5:43-47]


 
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Sotaro Ikeda  
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 More options Oct 24 2012, 10:24 am
Newsgroups: mozilla.dev.media
From: Sotaro Ikeda <ikesod...@gmail.com>
Date: Wed, 24 Oct 2012 23:24:03 +0900
Local: Wed, Oct 24 2012 10:24 am
Subject: Re: Consider to remove "hw codec" and "camera hw" usage limiatations on FirefoxOS(gonk)
>The idea sounds good to me, but Chris Double and Ka-Ru Chen are the best

people to give you detailed comments.

Thanks for responding. After I stabilize patches, I am going to ask them
about it. Currently, it almost works on my phone except video recording. I
am going to update patches tomorrow.
I do not have otoro nor unagi devices, though it should also work on the
devices.

Thanks,
sotaro

2012/10/23 Robert O'Callahan <rob...@ocallahan.org>


 
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Chris Double  
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 More options Oct 24 2012, 7:43 pm
Newsgroups: mozilla.dev.media
From: Chris Double <chris.dou...@double.co.nz>
Date: Thu, 25 Oct 2012 12:42:26 +1300
Local: Wed, Oct 24 2012 7:42 pm
Subject: Re: Consider to remove "hw codec" and "camera hw" usage limiatations on FirefoxOS(gonk)

On Thu, Oct 25, 2012 at 3:24 AM, Sotaro Ikeda <ikesod...@gmail.com> wrote:
> Thanks for responding. After I stabilize patches, I am going to ask them
> about it. Currently, it almost works on my phone except video recording. I
> am going to update patches tomorrow.
> I do not have otoro nor unagi devices, though it should also work on the
> devices.

As I mentioned in one of the bugs, moving to OMXClient usage is is
fine by me. I assume someone on the B2G team would need to make the
final call.

--
http://www.bluishcoder.co.nz


 
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