README: Document GST_DEBUG values to debug libcamerasrc
Problems with libcamerasrc are reported quite frequently. To help users diagnosing them, document how to obtain libcamerasrc debug messages through GST_DEBUG. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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@ -124,6 +124,11 @@ if desired with a pipeline such as:
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gst-launch-1.0 libcamerasrc ! 'video/x-raw,width=1280,height=720' ! \
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glimagesink
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The libcamerasrc element has two log categories, named libcamera-provider (for
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the video device provider) and libcamerasrc (for the operation of the camera).
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All corresponding debug messages can be enabled by setting the ``GST_DEBUG``
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environment variable to ``libcamera*:7``.
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.. section-end-getting-started
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Troubleshooting
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