[gstreamer-bugs] [Bug 583890] v4l2: should use pad_alloc
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Wed May 27 08:11:06 PDT 2009
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GStreamer | gst-plugins-good | Ver: git
------- Comment #7 from Jan Schmidt 2009-05-27 15:10 UTC -------
I get this from the driver:
0:00:00.393741915 24116 0x8e92078 DEBUG v4l2src
VIDIOC_REQBUFS(V4L2_MEMORY_USERPTR) failed 22:Invalid argument
0:00:00.393757280 24116 0x8e92078 DEBUG v4l2src
VIDIOC_REQBUFS(V4L2_MEMORY_USERPTR) for 3 buffers failed 22:Invalid argument
It doesn't seem to like any queue-size I feed it, 2, 3, 4, 8, so I guess the
driver just doesn't support V4L2_MEMORY_USERPTR. It's uvcvideo, which is
possibly the most common web camera driver already, or soon will be.
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