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2023-05-30py: Use exceptions instead of returning error codesTomi Valkeinen
We have multiple methods which return an error code, mimicking the C++ API. Using exceptions is more natural in the Python API, so change all those methods to raise an Exception instead. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2023-03-21py: cam: Fix demosaic overflow issueTomi Valkeinen
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>
2023-01-16py: cam.py: Fix duplicate metadata output if more than one streamDaniel Oakley
Currently, if there are multiple streams, the --metadata flag will print the metadata for each request multiple times. Moving the metadata print logic outside the stream for loop this will no longer occur. Signed-off-by: Daniel Oakley <daniel.oakley@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-08-18py: cam.py: Remove todo commentTomi Valkeinen
The comment is no longer valid. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-08-18py: cam.py: Fix multi camera capture without -CTomi Valkeinen
-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>
2022-06-04py: Merge read_event() and get_ready_requests()Tomi Valkeinen
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>
2022-06-01py: cam: cam_qt: mmap the fbs only onceTomi Valkeinen
Instead of doing an mmap and munmap every time a Request is complete, mmap all the buffers once at the start of the program. 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>
2022-06-01py: Implement FrameBufferPlaneTomi Valkeinen
Implement FrameBufferPlane class and adjust the methods and uses accordingly. Note that we don't expose the fd as a SharedFD, but as an int. 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>
2022-06-01py: Add FrameMetadataPlaneTomi Valkeinen
Add FrameMetadataPlane class and adjust the methods and uses accordingly. 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>
2022-06-01py: cam: Drop PIL dependencyTomi Valkeinen
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>
2022-06-01py: cam: Move conversion funcs to helpers.pyTomi Valkeinen
Move conversion functions from cam_qt.py to helpers.py to clean up the code and so that they can be used from other cam renderers. 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>
2022-05-27py: Rename 'efd' to 'event_fd'Tomi Valkeinen
Perhaps it's better to have a more descriptive name here. I also considered just renaming 'efd' to 'fd', but 'event_fd' won. 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>
2022-05-27py: Re-structure the controls APITomi Valkeinen
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>
2022-05-27py: cam: Convert ctx and state to classesTomi Valkeinen
Convert ctx and state dicts to classes. No functional changes. 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>
2022-05-27py: cam: Drop WA_ShowWithoutActivatingTomi Valkeinen
Drop WA_ShowWithoutActivating from the Qt renderers. I added the flag during development phase as I didn't want the window to take the focus, but it should be removed now. 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>
2022-05-27py: Move MappedFrameBuffer to libcamera.utilsTomi Valkeinen
Move MappedFrameBuffer to libcamera.utils, instead of extending FrameBuffer class with a new mmap() method. This keeps us more aligned to the C++ API. 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>
2022-05-27py: Add CameraManager.read_event()Tomi Valkeinen
Add CameraManager.read_event() so that the user does not need to call os.read(). We use eventfd, and we must always read 8 bytes. Hiding that inside read_event() makes sense. 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>
2022-05-27py: cam: CleanupsTomi Valkeinen
No functional changes. Drop unused variables, reduce typechecker warnings. 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>
2022-05-27py: cam_qt: Use libcamera.formatsTomi Valkeinen
Use the new libcamera.formats in cam_qt.py. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: Use geometry classesTomi Valkeinen
Now that we have proper geometry classes in the Python bindings, change the existing bindings and the .py files accordingly. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: Implement PixelFormat classTomi Valkeinen
Implement PixelFormat bindings properly with a PixelFormat class. Change the bindings to use the new class instead of a string. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: cam_qt: Cosmetic cleanupsTomi Valkeinen
Drop irrelevant or wrong comments, merge separate_components() into demosaic(), and add mfb_to_rgb(). No functional changes. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: cam_kms: Fix multistream displayTomi Valkeinen
Instead of doing an atomic commit for each stream, do a single commit for the two planes. This fixes the issue that only the first plane was actually shown. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: cam_kms: Support multiplanar formatsTomi Valkeinen
Support multiplanar formats in the kms renderer. Tested with RPi and NV12. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-18py: cam.py: Exit on exceptionTomi Valkeinen
Catch exceptions in the event_handler, as they would get ignored otherwise. Print the exception and return False so that the main loop exits. 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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-05-10py: Add cam.pyTomi Valkeinen
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>
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