Add a '--orientation|-o' option to the Python version of the cam test
application to set an orientation to the image stream.
Supported values are:
- rot0: no rotation
- rot180: rotate 180 degrees
- flip: vertical flip
- mirror: horizontal flip
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
The demosaic code first expands the buffer datatype to uint16, and then
shifts the data left so that the 8, 10 and 12 bitspp formats all become
16 bitspp.
It then, eventually, uses np.einsum to calculate averages, but this
averaging sums multiple uint16 values together, and stores them in
uint16 storage. As in the first step we shifted the values left,
possibly getting values close to the maximum of uint16 range, we, of
course, overflow when summing them together. This leads to rather bad
looking images.
Fix this by dropping the original shift. It serves no purpose, and is
probably a remnant of some early testing code. This way the largest
numbers we are summing together are 12 bit values, and as we use a 3x3
window from which we fetch values, for a single rgb plane, the max
number of 12 bit values is 5 (for green). Sum of 5 12 bit values is well
below the 16 bit maximum.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
-C flag is supposed to affect only the camera that was previously
defined in the arguments. That's not the case, and, e.g.:
cam.py -c2 -C -c3
causes camera 3 to start capturing, but it stops after the initial
Requests have been completed.
Fix the issue by filtering out camera contexts that do not have -C
defined.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
We always call CameraManager.read_event() and
CameraManager.get_ready_requests(), so to simplify the use merge the
read_event() into the get_ready_requests().
This has the side effect that get_ready_requests() will now block if
there is no event ready. If we ever need to call get_ready_requests() in
a polling manner we will need a new function which behaves differently.
However, afaics the only sensible way to manage the event loop is to use
select/poll on the eventfd and then call get_ready_requests() once,
which is the use case what the current merged function supports.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
We can use Qt directly to accomplish the same as we do with PIL.
A minor downside is that loading MJPEG frame with Qt produces a "Corrupt
JPEG data" warning. The resulting picture looks fine, though. So add a
message handler to ignore that warning.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Add ControlInfo class and change the controls related methods to
resemble the C++ API (e.g. no more string based control methods).
We don't implement ControlList or ControlInfoMap but just expose the
same data via standard Python dict.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Add cam.py, which mimics the 'cam' tool. Four rendering backends are
added:
* null - Do nothing
* kms - Use KMS with dmabufs
* qt - SW render on a Qt window
* qtgl - OpenGL render on a Qt window
All the renderers handle only a few pixel formats, and especially the GL
renderer is just a prototype.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Jacopo Mondi
Tomi Valkeinen
Daniel Oakley