[root@RK356X:~]# GST_DEBUG=3 gst-launch-1.0 v4l2src device=/dev/video9 ! "image/jpeg,width=(int)3840,height=(int)2160,framerate=(fraction)30/1" ! jpegparse ! mppjpegdec ! kmssink sync=false
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
0:00:01.580455535 1455 0x28c17d80 WARN v4l2bufferpool gstv4l2bufferpool.c:842:gst_v4l2_buffer_pool_start:<v4l2src0:pool0:src> Uncertain or not enough buffers, enabling copy threshold
0:00:02.544724310 1455 0x28c17d80 WARN default gsttageditingprivate.c:76:__exif_tag_image_orientation_from_exif_value: Invalid tiff orientation tag value: 0
0:00:02.545132070 1455 0x28c17d80 WARN default gstexiftag.c:2078:deserialize_orientation: Invalid value for tag 0x112: 0
0:00:02.545302700 1455 0x28c17d80 WARN default gstexiftag.c:1349:parse_exif_short_tag: No parsing function associated to 131(application-name)
Caught SIGSEGV
exec gdb failed: No such file or directory
Spinning. Please run 'gdb gst-launch-1.0 1455' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core.
[root@RK356X:~]# GST_DEBUG=3 gst-launch-1.0 v4l2src device=/dev/video9 ! "image/jpeg,width=(int)3840,height=(int)2160,framerate=(fraction)30/1" ! jpegparse ! fakesink
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
0:00:00.144095442 1464 0x3e0ced80 WARN v4l2bufferpool gstv4l2bufferpool.c:842:gst_v4l2_buffer_pool_start:<v4l2src0:pool0:src> Uncertain or not enough buffers, enabling copy threshold
0:00:01.080936134 1464 0x3e0ced80 WARN default gsttageditingprivate.c:76:__exif_tag_image_orientation_from_exif_value: Invalid tiff orientation tag value: 0
0:00:01.081093638 1464 0x3e0ced80 WARN default gstexiftag.c:2078:deserialize_orientation: Invalid value for tag 0x112: 0
0:00:01.081155473 1464 0x3e0ced80 WARN default gstexiftag.c:1349:parse_exif_short_tag: No parsing function associated to 131(application-name)
Caught SIGSEGV
exec gdb failed: No such file or directory
Spinning. Please run 'gdb gst-launch-1.0 1464' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core. Author: raytayl320 Time: 1/20/2026 08:00
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