From: Hans Verkuil <hansverk@cisco.com>
To: vipul kumar samar <vipulkumar.samar@st.com>
Cc: linux-media@vger.kernel.org, linux-fbdev@vger.kernel.org
Subject: Re: Query: Implementation of overlay on linux
Date: Mon, 02 May 2011 13:20:22 +0000 [thread overview]
Message-ID: <201105021520.22842.hansverk@cisco.com> (raw)
In-Reply-To: <4DBE8FDB.5010506@st.com>
On Monday, May 02, 2011 13:04:59 vipul kumar samar wrote:
> Hello,
>
> I am working on LCD module and I want to implement two overlay windows
> on frame buffer. I have some queries related to this:
You mean capture overlay windows? E.g. you want to capture from a video input
and have the video directly rendered in the framebuffer?
The "Video Overlay Interface" section in the V4L2 specification describes how
to do that, but it also depends on whether the V4L2 driver in question
supports that feature.
It might be that you mean something else, though.
Regards,
Hans
> 1. Can any body suggest me how to proceed towards it??
> 2. Is their any standard way to use frame buffer ioctl calls??
> 3. If i have to define my own ioctls then how application manage it??
>
>
> Thanks and Regards
> Vipul Samar
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>
prev parent reply other threads:[~2011-05-02 13:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-26 13:53 Query: Implementation of overlay on linux vipul kumar samar
2011-05-02 11:16 ` vipul kumar samar
2011-05-02 13:20 ` Hans Verkuil [this message]
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