gst-launch-1.0 filesrc location=video_capture.mjpeg ! jpegparse ! v4l2jpegdec ! "video/x-raw,format=BGR" ! v4l2convert
! "video/x-raw,format=v308" ! queue ! waylandsink
WARNING: erroneous pipeline: could not link v4l2convert0 to queue0, v4l2convert0 can't handle caps video/x-raw, format=(string)v308
GST_DEBUG=3 gst-launch-1.0 filesrc location=video_capture.mjpeg ! jpegparse ! v4l2jpegdec ! "video/x-raw,format=BGR" !
v4l2convert ! "video/x-raw,format=BGRx" ! queue ! waylandsink
Setting pipeline to PAUSED ...
====== V4L2DEC: 1.26.6 build on Feb 4 2026 05:41:58. ======
Pipeline is PREROLLING ...
0:00:00.161858378 1115 0xffff88000f00 WARN v4l2 gstv4l2object.c:2566:gst_v4l2_object_get_streamparm:<v4l2jpegdec0:src> VIDIOC_G_PAR
M failed
0:00:00.162072337 1115 0xffff88000f00 WARN v4l2 gstv4l2object.c:5596:gst_v4l2_object_probe_caps:<v4l2jpegdec0:src> Failed to probe
pixel aspect ratio with VIDIOC_CROPCAP: Invalid argument
0:00:00.162576004 1115 0xffff88000f00 ERROR v4l2videodec gstv4l2videodec.c:731:gst_v4l2_video_dec_negotiate:<v4l2jpegdec0> not negotiated
0:00:00.162623213 1115 0xffff88000f00 ERROR v4l2videodec gstv4l2videodec.c:960:gst_v4l2_video_dec_loop:<v4l2jpegdec0> Failed to setup captur
e queue
0:00:00.162901922 1115 0xffff88000d70 WARN baseparse gstbaseparse.c:3748:gst_base_parse_loop:<jpegparse0> error: Internal data stream er
ror.
0:00:00.162943130 1115 0xffff88000d70 WARN baseparse gstbaseparse.c:3748:gst_base_parse_loop:<jpegparse0> error: streaming stopped, reas
on not-negotiated (-4)
ERROR: from element /GstPipeline:pipeline0/GstJpegParse:jpegparse0: Internal data stream error.
Additional debug info:
/usr/src/debug/gstreamer1.0/1.26.6.imx/libs/gst/base/gstbaseparse.c(3748): gst_base_parse_loop (): /GstPipeline:pipeline0/GstJpegParse:jpegparse0:
streaming stopped, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...
