[gst-devel] Format Conversion and Compression

[Wesley J. Miller]

Stefan,

Thanks for the kind answers.  Even as I wrote these questions I knew I was having a dead-brain day.

Wes

-----Original Message-----
From: Stefan Kost [mailto:ensonic at hora-obscura.de] 
Sent: Friday, June 11, 2010 11:36 AM
To: gstreamer-devel at lists.sourceforge.net
Subject: Re: [gst-devel] Format Conversion and Compression

On 09.06.2010 18:12, Wes Miller wrote:
> Hi All,
>
> This is probably right under my nose...if I just knew what to search for. 
> But, let's get it in one place.
>
> Given a filesrc (or a stream, I suppose) containing some sort of recorded
> video recorded at hi-def, big size, etc.,  (NOTE:  I'm starting with mjpeg
> for now.)
>
> How do I change to a different format, say, mjpeg to mpeg?
>   
remux/transcode
> How do I alter the compression ratio?  
>   
transcode
> How do I reduce the image size?
>   
videoscale in the middle of the transcode
> How do I lower the image quality (lower the resolution)?
>   
resolution is imagesize, right? You can also lower the frame rate
>
> Thanks,
>
> We

For all these things, you want to have a close look on what edward is
doing here:
http://git.collabora.co.uk/?p=user/edward/gst-convenience.git

Stefan

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