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\n\tFri, 27 Nov 2020 05:37:56 -0800 (PST)", "From": "Tomi Valkeinen <tomi.valkeinen@iki.fi>", "To": "libcamera-devel@lists.libcamera.org", "Date": "Fri, 27 Nov 2020 15:37:34 +0200", "Message-Id": "<20201127133738.880859-1-tomi.valkeinen@iki.fi>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Subject": "[libcamera-devel] [RFC v2 0/4] prototype python bindings", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Cc": "Tomi Valkeinen <tomi.valkeinen@iki.fi>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Hi,\n\nIt's been a while since the v1 RFC, and even if I haven't had much time\nto work on this, I thought it's time to send a new version, at least to\navoid anyone testing the old one.\n\nToo many changes to v1 to mention them all (not that I even\nremember...), but a few here:\n\n- Use meson subprojects for pybind11. The public subproject repository\n didn't have a recent pybind11, so I have pybind11 2.6.0 packaged here\n in a separate patch.\n\n- Use eventfd to convey events from C++ to Python. This gets rid of\n multiple issues, e.g. the locking problems and the callback\n subscriptions.\n\n- simplecamera.py: a \"simple\" camera class which hopefully makes\n libcamera more natural to use from python (compared to the very c++\n like API that the basic bindings provide).\n\n- Some new tests:\n * test.py: simple test that just captures frames and exists\n * drmtest.py: uses kms++ python bindings to show the captured images\n on screen.\n * icam.py: Meant to run in an interactive python session. Uses Qt to\n * show (possibly from multiple cameras) captured images. One can\n adjust the cameras & controls via the python shell.\n\nSome clear issues are still present:\n- Memory management, especially related to Requests and FBs is still not\n clear.\n- Not all control types are supported.\n- There are open parts in the SimpleCamera config sequences. It must be\n simple, but you also have to be able to do everything, and at the\n moment it's a bit of a mess.\n\nThis is not a request to review as such, as I know there are plenty of\nthings to fix. I think the best feedback would be on the area of\nthoughts about the API in general, or ideas on how to solve the issues.\n\n Tomi\n\nTomi Valkeinen (4):\n hack: Camera public destructor\n HACK: expose Camera* from Request\n libcamera python bindings\n py: update pybind11 wrap to 2.6.0\n\n .gitignore | 2 +\n include/libcamera/camera.h | 2 +-\n include/libcamera/request.h | 1 +\n meson_options.txt | 2 +\n src/libcamera/request.cpp | 5 +\n src/meson.build | 1 +\n src/py/meson.build | 1 +\n src/py/pycamera/__init__.py | 11 +\n src/py/pycamera/meson.build | 38 ++\n src/py/pycamera/pymain.cpp | 382 ++++++++++++++++++\n src/py/test/drmtest.py | 129 ++++++\n src/py/test/icam.py | 154 +++++++\n src/py/test/run-valgrind.sh | 6 +\n src/py/test/run.sh | 3 +\n src/py/test/simplecamera.py | 198 +++++++++\n src/py/test/test.py | 210 ++++++++++\n src/py/test/valgrind-pycamera.supp | 17 +\n .../packagecache/pybind11-2.6.0-wrap.zip | Bin 0 -> 1456 bytes\n subprojects/packagecache/pybind11-2.6.0.zip | Bin 0 -> 727287 bytes\n subprojects/pybind11.wrap | 10 +\n 20 files changed, 1171 insertions(+), 1 deletion(-)\n create mode 100644 src/py/meson.build\n create mode 100644 src/py/pycamera/__init__.py\n create mode 100644 src/py/pycamera/meson.build\n create mode 100644 src/py/pycamera/pymain.cpp\n create mode 100755 src/py/test/drmtest.py\n create mode 100755 src/py/test/icam.py\n create mode 100755 src/py/test/run-valgrind.sh\n create mode 100755 src/py/test/run.sh\n create mode 100644 src/py/test/simplecamera.py\n create mode 100755 src/py/test/test.py\n create mode 100644 src/py/test/valgrind-pycamera.supp\n create mode 100644 subprojects/packagecache/pybind11-2.6.0-wrap.zip\n create mode 100644 subprojects/packagecache/pybind11-2.6.0.zip\n create mode 100644 subprojects/pybind11.wrap" }