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v4l2object: Only allow DMABuf export for STREAMING device

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DMABuf exportation requires mmap, which requires STREAMING
capabilities.

https://bugzilla.gnome.org/show_bug.cgi?id=583890
This commit is contained in:
Nicolas Dufresne 2018-07-24 12:05:45 -04:00
parent 90a70e08b7
commit 24368c1162
1 changed files with 2 additions and 1 deletions
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3
sys/v4l2/gstv4l2object.c
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@ -2923,7 +2923,8 @@ gst_v4l2_object_setup_pool (GstV4l2Object * v4l2object, GstCaps * caps)
mode = GST_V4L2_IO_MMAP;
}
}
} else if (v4l2object->req_mode == GST_V4L2_IO_MMAP)
} else if (v4l2object->req_mode == GST_V4L2_IO_MMAP ||
v4l2object->req_mode == GST_V4L2_IO_DMABUF)
goto method_not_supported;
/* if still no transport selected, error out */