Bad Jpeg quality

Renaud GUEZENNEC renaud.guezennec.ext at valeo.com
Mon Jan 2 03:50:44 PST 2012


Hi all,

I'm using gstreamer to display rtsp stream from IP camera. The stream is
jpeg encoded. I use this pipeline:

> *gst-launch-0.10 rtspsrc location=rtsp://192.168.1.12:8554/Valeolatency=0 ! rtpjpegdepay ! jpegdec idct-method=islow ! autovideosink
> *


But the quality is very bad. It's look like a lazy mode for decoding the
jpeg stream, I tried different parameter for idct-method property but
nothing changes.
The stream has better quality rendering with VLC or Qt+Live555.

Is there a way to improve the visual quality?

Regards
Renaud

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