diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-06-21 15:24:16 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-06-22 12:35:14 +0300 |
| commit | bb84fc6a74fec9b51b6dc21507e65092c6fdbbac (patch) | |
| tree | cd2787b266d74eade0c2cc8c5645f768e4b95e60 /README.rst | |
| parent | e135db8cb4026fc710de63c669aa877bcbd94c06 (diff) | |
README: Add short testing instructions with cam
The README.rst file contains the getting started instructions, but lacks
a simple way to test libcamera. Add a short section about basic cam
usage.
Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'README.rst')
| -rw-r--r-- | README.rst | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -101,6 +101,21 @@ for android: [optional] for lc-compliance: [optional] libevent-dev +Basic testing with cam utility +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``cam`` utility can be used for basic testing. You can list the cameras +detected on the system with ``cam -l``, and capture ten frames from the first +camera and save them to disk with ``cam -c 1 --capture=10 --file``. See +``cam -h`` for more information about the ``cam`` tool. + +In case of problems, a detailed debug log can be obtained from libcamera by +setting the ``LIBCAMERA_LOG_LEVELS`` environment variable: + +.. code:: + + :~$ LIBCAMERA_LOG_LEVELS=*:DEBUG cam -l + Using GStreamer plugin ~~~~~~~~~~~~~~~~~~~~~~ |