Help with transcoding h264 encoded TS on raspberry pi

Sebastian Dröge sebastian at centricular.com
Sat Dec 14 01:40:19 PST 2013


On Sa, 2013-12-14 at 10:34 +0100, Markus Fritsche wrote:
> On 12/13/2013 09:04 PM, Sebastian Dröge wrote:
> 
> > So, does it work if you don't encode the video and just display it?
> > I.e., is the problem on the decoding or the encoding side of things?
> 
> I only have a command line interface on my recoding-pi - could I still
> display it over hdmi / framebuffer? Alternatively, I could encode some
> of the frames as bitmaps or similar, right?

Yes, eglglessink on the RPi works also on the commandline. Actually it
does not have any support for X11 currently as the X11 drivers on the
RPi is a plain framebuffer driver without any acceleration at all.

eglglessink uses the DispManX interface of the RPi, which works without
X11 too.

> Could you help me with the encoding side of such a pipeline?

You could put e.g.
... ! videoconvert ! jpegenc ! multifilesink location="%05d.jpg" 
after the decoder instead of your current use of the gst-omx encoder,
etc.

-- 
Sebastian Dröge, Centricular Ltd - http://www.centricular.com
Expertise, Straight from the Source
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