[gst-devel] How to reduce bitrate of a mpeg2 video

[Wim Taymans]

On Wed, 2009-06-03 at 17:34 +0100, Zaheer Merali wrote:
> On Wed, Jun 3, 2009 at 1:19 PM, pcd7 <pcd7 at btinternet.com> wrote:
> >
> > Hi,
> >
> > With gstream - is it possible to reduce video bitrate without decoding and
> > encoding ?
> >
> > I find that when playing videos with a set top box (sat receiver) the low
> > bitrate (1000 - 2000 kbps) videos playback ok - but higher bitrates do not.
> > I wonder if there is a solution to this problem. Decode and encode is not an
> > option because the process is too slow to be practical.
> >
> > I will be grateful for any advice.
> >
> > Regards.
> > --
> 
> No it is not possible.

It's not currently possible with anything gstreamer but I have an
algorithm lying around that can change the bitrate of a mpeg video
stream without decoding/reencoding. Just need to make it into a
gstreamer plugin.

You can find the code (M2VRequantiser) here:
http://www.metakine.com/products/dvdremaster/developers.html

Wim

> 
> Zaheer
> 
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