[gst-devel] gst buffer to image

[Mailing List SVR]

I solved myself pushing the frame to a second pipeline,

thanks
Nicola

In data sabato 5 dicembre 2009 23:27:59, Mailing List SVR ha scritto:
: > In data sabato 5 dicembre 2009 19:39:31, Mailing List SVR ha scritto:
> : > Hi all,
> >
> > I'm using a simple playbin pipeline, I can get the last frame with
> >  something like this:
> >
> > In [124]: frame=player.get_property("frame")
> >
> > In [125]: frame
> > Out[125]: <gst.Buffer 0x1fed6f0 of size 115200 and data 0x49484445>
> 
> additionally:
> 
> In [34]: frame.get_caps().to_string()
> Out[34]: 'video/x-raw-yuv, width=(int)320, height=(int)240,
> framerate=(fraction)10/1, format=(fourcc)I420, interlaced=(boolean)false,
> pixel-aspect-ratio=(fraction)1/1'
> 
> I tried this pipeline:
> 
> gst-launch-0.10 -v filesrc location=/tmp/frame  ! "video/x-raw-yuv,
> width=(int)320, height=(int)240, framerate=(fraction)10/1,
> format=(fourcc)I420, interlaced=(boolean)false, pixel-aspect-
> ratio=(fraction)1/1"  ! jpegenc ! filesink location=test.jpg
> 
> but the jpg generated is bad (attacched). I attacch also the saved
>  frame.data
> 
> > now I can access frame.data that would be the raw frame data, but how to
> > convert this frame to a jpg or png image? I tried to save the frame to a
> >  file and to convert with jpegenc and pngenc with no success, any
> >  suggestions?
> >
> > thanks
> > Nicola
> >
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