jpegdec and x-raw-rgb

[hasardel]

Hi,

I started with GStreamer.
My plugin accepts caps "video/x-raw-rgb".

gst-launch --verbose filesrc location="test.jpg" ! jpegdec ! imagefreeze !
video/x-raw-rgb ! myplugin ! autovideosink
Définition du pipeline à PAUSED...
Le pipeline est en phase de PREROLL...
/GstPipeline:pipeline0/GstJpegDec:jpegdec0.GstPad:src: caps =
video/x-raw-yuv, format=(fourcc)I420, width=(int)1280, height=(int)819,
framerate=(fraction)0/1
ERREUR : de l'élément /GstPipeline:pipeline0/GstFileSrc:filesrc0 : Erreur
interne de flux de données.
Information de débogage supplémentaire :
gstbasesrc.c(2625): gst_base_src_loop ():
/GstPipeline:pipeline0/GstFileSrc:filesrc0:
streaming task paused, reason not-negotiated (-4)
ERREUR : le pipeline refuse de passer en phase de préparation.
Définition du pipeline à NULL...
/GstPipeline:pipeline0/GstJpegDec:jpegdec0.GstPad:src: caps = NULL
Libération du pipeline...

The pad "src" of jpegdec accepts caps "video/x-raw-yuv", "video/x-raw-rgb"
and "video/x-raw-gray".
I don't understand why ?




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