Failed to create V4L2 allocator

hobbesc7 hobbesc7 at gmail.com
Tue Aug 19 15:31:52 PDT 2014


With GStreamer 1.4.0, I get "Failed to create V4L2 allocator" when trying to
access my hardware codec.

This worked with 0.10.36.

GST_DEBUG=*:1 gst-launch-1.0 -v v4l2src device=/dev/video1 ! xvimagesink
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
0:00:00.082500364 11239  0x97bc4c0 ERROR          v4l2allocator
gstv4l2allocator.c:650:gst_v4l2_allocator_new:<v4l2src0:pool:src:allocator>
No memory model supported by GStreamer for this device
0:00:00.082604691 11239  0x97bc4c0 ERROR                   v4l2
gstv4l2bufferpool.c:1452:gst_v4l2_buffer_pool_new:<v4l2src0:pool:src> Failed
to create V4L2 allocator
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Could not
map buffers from device '/dev/video1'
Additional debug info:
gstv4l2object.c(2294): gst_v4l2_object_setup_pool ():
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
Failed to create buffer pool: Invalid argument
Execution ended after 0:00:00.004902394
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...




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