Internal data flow error

[Nynke]

I've got the same problem. When I launch:

gst-launch-1.0 udpsrc port=5200 ! \
"application/x-rtp, encoding-name=JPEG, payload=26" ! \
rtpjpegdepay ! \
jpegdec ! \
autovideosink

I get:

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal data
stream error.
Additional debug info:
gstbasesrc.c(3072): gst_base_src_loop ():
/GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
streaming stopped, reason not-negotiated (-4)
Execution ended after 0:00:00.001487854
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...


When I debug I get the following:

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
0:00:03.031048400 11732 0x55711e871400 FIXME           videodecoder
gstvideodecoder.c:944:gst_video_decoder_drain_out:<jpegdec0> Sub-class
should implement drain()
0:00:03.049415176 11732 0x55711e871400 WARN                GST_PADS
gstpad.c:4230:gst_pad_peer_query:<jpegdec0:src> could not send sticky events
0:00:03.050087182 11732 0x55711e871400 WARN                 basesrc
gstbasesrc.c:3072:gst_base_src_loop:<udpsrc0> error: Internal data stream
error.
0:00:03.050270279 11732 0x55711e871400 WARN                 basesrc
gstbasesrc.c:3072:gst_base_src_loop:<udpsrc0> error: streaming stopped,
reason not-negotiated (-4)
ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal data
stream error.
Additional debug info:
gstbasesrc.c(3072): gst_base_src_loop ():
/GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
streaming stopped, reason not-negotiated (-4)
Execution ended after 0:00:00.019831428
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...




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