Add filters (background blur, etc) to your webcam on Linux.

Last update: Dec 14, 2022

Overview

webcam-filters

Add filters (background blur, etc) to your webcam on Linux.

Video conferencing applications tend to either lack video effects altogether or support only a limited set of capabilities on Linux (e.g. Zoom [1], Google Meets [2]).

Goal here is to provide a virtual webcam via v4l2loopback with a common set of filters that can be used everywhere.

Usage

Passthrough (no-op):

$ webcam-filters --input-dev /dev/video0 --output-dev /dev/video3

Blur background:

$ webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150

Dependencies

Other than the Python dependencies that can be automatically installed by Pip, there are a few system dependencies that require manual attention.

v4l2loopback

v4l2loopback kernel module is required to emulate a virtual webcam. See your distro's docs or v4l2loopback on how to install and set it up (e.g. https://archlinux.org/packages/community/any/v4l2loopback-dkms/).

You'll probably want to create at least one loopback device (that's persistent on boot):

$ sudo tee /etc/modprobe.d/v4l2loopback.conf << "EOF"
# /dev/video3
options v4l2loopback video_nr=3
options v4l2loopback card_label="Virtual Webcam"
options v4l2loopback exclusive_caps=1
EOF
$ sudo modprobe v4l2loopback
$ v4l2-ctl --device /dev/video3 --info

Gstreamer

gstreamer-1.0 (e.g. https://archlinux.org/packages/extra/x86_64/gstreamer/)
gst-plugins-base (e.g. https://archlinux.org/packages/extra/x86_64/gst-plugins-base/)
gst-python (e.g. https://archlinux.org/packages/extra/x86_64/gst-python/)
gst-plugins-good (e.g. https://archlinux.org/packages/extra/x86_64/gst-plugins-good/)

Installation

You can either use pipx or pip. Pipx is recommend to keep dependencies isolated.

Latest stable:

$ pipx install --system-site-packages webcam-filters
$ # Or
$ pip install --user webcam-filters

Latest pre-release:

$ pipx install --system-site-packages --pip-args='--pre' webcam-filters
$ # Or
$ pip install --user --pre webcam-filters

Git:

$ url="git+https://github.com/jashandeep-sohi/webcam-filters.git"
$ pipx install --system-site-packages "$url"
$ # Or
$ pip install --user "$url"

[1]	Zoom desktop client supports background blur as of version 5.7.6. Zoom on web does not.

[2]	Google Meets supports background blur only on Chrome.

Comments

Hardware acceleration does not work with the radeonsi driver

Hi :wave:

When I try to use --hw-accel vaapi the GStreamer pipeline does not run. I don't know if I miss something or if some feature is missing (NYI?) in the driver...?

$ GST_DEBUG=2 webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150 --hw-accel-api vaapi
Selected input: media-type=image/jpeg, width=1280 height=720 framerate=30/1
0:00:00.452510507 78424      0x1ea2550 WARN              vaapiblend gstvaapiblend.c:184:gst_vaapi_blend_initialize:<vaapiblend0> VPP does not support global alpha blending

(python3:78424): GStreamer-CRITICAL **: 21:06:44.103: The created element should be floating, this is probably caused by faulty bindings

(python3:78424): GStreamer-CRITICAL **: 21:06:44.104: The created element should be floating, this is probably caused by faulty bindings

(python3:78424): GStreamer-CRITICAL **: 21:06:44.105: The created element should be floating, this is probably caused by faulty bindings
Pipeline: READY
Pipeline: PAUSED
0:00:00.533376004 78424      0x201ecc0 WARN          v4l2bufferpool gstv4l2bufferpool.c:814:gst_v4l2_buffer_pool_start:<v4l2src1:pool0:src> Uncertain or not enough buffers, enabling copy threshold
INFO: Created TensorFlow Lite XNNPACK delegate for CPU.
0:00:01.189612022 78424      0x201ef00 WARN             vaapifilter gstvaapifilter.c:2409:gst_vaapi_filter_set_colorimetry_unlocked:<vaapifilter2> driver does not support '2:4:5:1' input colorimetry. vpp may fail or produce unexpected results.
0:00:01.189625357 78424      0x201ef00 WARN             vaapifilter gstvaapifilter.c:2419:gst_vaapi_filter_set_colorimetry_unlocked:<vaapifilter2> driver does not support 'sRGB' output colorimetry. vpp may fail or produce unexpected results.
0:00:01.209019915 78424      0x201ecc0 WARN                 v4l2src gstv4l2src.c:1001:gst_v4l2src_create:<v4l2src1> lost frames detected: count = 1 - ts: 0:00:00.671366999
0:00:01.212918189 78424 0x7f93140021e0 WARN           basetransform gstbasetransform.c:1370:gst_base_transform_setcaps:<vaapipostproc1> transform could not transform video/x-raw, width=(int)1280, height=(int)720, framerate=(fraction)30/1, interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1, multiview-mode=(string)mono, multiview-flags=(GstVideoMultiviewFlagsSet)0:ffffffff:/right-view-first/left-flipped/left-flopped/right-flipped/right-flopped/half-aspect/mixed-mono, format=(string)RGBx in anything we support

The last line then repeats... Any idea? (Maybe the line ending with VPP does not support global alpha blending shows the problem)

bug

opened by mid1221213 24

"Invalid literal for Fraction"

On Ubuntu 21.04 (on which I had to install python3-gst-1.0):

$ webcam-filters --version
0.2.0
$ webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150
Traceback (most recent call last):
  File "/home/me/.local/bin/webcam-filters", line 8, in <module>
    sys.exit(cli())
  File "/home/me/.local/lib/python3.9/site-packages/click/core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "/home/me/.local/lib/python3.9/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/home/me/.local/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/me/.local/lib/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/me/.local/lib/python3.9/site-packages/webcam_filters/main.py", line 137, in cli
    add_filters(
  File "/home/me/.local/lib/python3.9/site-packages/webcam_filters/gst.py", line 87, in add_filters
    structs = sorted(
  File "/home/me/.local/lib/python3.9/site-packages/webcam_filters/gst.py", line 90, in <lambda>
    Fraction(str(x.get_value("framerate"))),
  File "/usr/lib/python3.9/fractions.py", line 115, in __new__
    raise ValueError('Invalid literal for Fraction: %r' %
ValueError: Invalid literal for Fraction: '{15/2,5/1}'

bug

opened by mid1221213 13

Python plugins not loading on OpenSUSE

[23:21:59] ~ $ GST_DEBUG=GST_PLUGIN_LOADING:4,pyplugin:6 webcam-filters --background-blur 50 --input-dev /dev/video5 --output-dev /dev/video0
0:00:00.000268384 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:325:_priv_gst_plugin_initialize: registering 0 static plugins
0:00:00.000325815 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:233:gst_plugin_register_static: registered static plugin "staticelements"
0:00:00.000332994 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:235:gst_plugin_register_static: added static plugin "staticelements", result: 1
0:00:00.197454235 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib64/gstreamer-1.0/libgstvideo4linux2.so" loaded
Selectd input: media-type=image/jpeg, width=1280 height=720 framerate=30/1
0:00:00.210186485 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib64/gstreamer-1.0/libgstcoreelements.so" loaded
0:00:00.215944899 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib64/gstreamer-1.0/libgstplayback.so" loaded
0:00:00.218019679 18134 0x5626dde96a70 INFO      GST_PLUGIN_LOADING gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib64/gstreamer-1.0/libgstvideoconvert.so" loaded
Traceback (most recent call last):
  File "/home/hector/.local/bin/webcam-filters", line 8, in <module>
    sys.exit(cli())
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/click/core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/webcam_filters/main.py", line 139, in cli
    add_filters(
  File "/home/hector/.local/pipx/venvs/webcam-filters/lib64/python3.9/site-packages/webcam_filters/gst.py", line 159, in add_filters
    selfie.set_property("model", selfie_segmentation_model)
AttributeError: 'NoneType' object has no attribute 'set_property'

@hsanjuan creating a new issue for this.

I don't see libgstpython.so being loaded, which means none of Python plugins also get loaded. Normally, it looks something like this:

0:00:01.029100122 12710 0x55eb5f0b6c70 LOG                 pyplugin gstpythonplugin.c:232:plugin_init: Checking to see if libpython is already loaded                                                                                    
0:00:01.029108435 12710 0x55eb5f0b6c70 LOG                 pyplugin gstpythonplugin.c:235:plugin_init: libpython is already loaded                
0:00:01.029111008 12710 0x55eb5f0b6c70 LOG                 pyplugin gstpythonplugin.c:254:plugin_init: python was already initialized
0:00:01.029116664 12710 0x55eb5f0b6c70 LOG                 pyplugin gstpythonplugin.c:274:plugin_init: Running with python version '3.9.6 (default, Jun 30 2021, 10:22:16) 
[GCC 11.1.0]'                                                                                                                                                                                                                                 
0:00:01.029118772 12710 0x55eb5f0b6c70 LOG                 pyplugin gstpythonplugin.c:276:plugin_init: initializing pygobject                           
0:00:01.029188105 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:156:gst_python_plugin_load: GST_PLUGIN_PATH set to /home/gamma/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/webcam_filters/plugins:
0:00:01.029203475 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin cv2_boxfilter                                                               
0:00:01.164450264 12710 0x55eb5f0b6c70 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin             
0:00:01.164474670 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin numpy_where                                                                                              0:00:01.166064073 12710 0x55eb5f0b6c70 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin
0:00:01.166078845 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin selfie_segmentation                                                                           
0:00:01.356304339 12710 0x55eb5f0b6c70 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin                                                
0:00:01.356338024 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “python”: No such file or directory
0:00:01.356344484 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:176:gst_python_plugin_load: GST_PLUGIN_SYSTEM_PATH not set
0:00:01.356352301 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “/home/gamma/.gstreamer-1.0/plugins/python”: No such file or dir
ectory                                                                                                                                                                                                                                        
0:00:01.356358134 12710 0x55eb5f0b6c70 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “lib/gstreamer-1.0/python”: No such file or directory
0:00:01.356364671 12710 0x55eb5f0b6c70 INFO      GST_PLUGIN_LOADING gstplugin.c:915:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/gstreamer-1.0/libgstpython.so" loaded

The only thing I can think of is libgstpython.so isn't in a path that GStreamer looks for plugins by default. What happens if you add /usr/lib64/gstreamer-1.0/ to GST_PLUGIN_PATH?

GST_PLUGIN_PATH="/usr/lib64/gstreamer-1.0:$GST_PLUGIN_PATH" GST_DEBUG=GST_PLUGIN_LOADING:4,pyplugin:6 webcam-filters --background-blur 50 ...

Originally posted by @hsanjuan in https://github.com/jashandeep-sohi/webcam-filters/issues/4#issuecomment-913229787

opened by jashandeep-sohi 10

"AttributeError: 'NoneType' object has no attribute 'set_property'" when setting blur

Running Debian bullseye here, with python 3.9 and gstreamer 1.18.4 (though python3-gst 1.18.3). When I try to start things up (after creating a v4l2loopback device per the README, at /dev/video11):

$ webcam-filters --input-dev /dev/video2 --output-dev /dev/video11 --background-blur 150
Traceback (most recent call last):
  File "/home/brian/.local/bin/webcam-filters", line 8, in <module>
    sys.exit(cli())
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/click/core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/webcam_filters/main.py", line 137, in cli
    add_filters(
  File "/home/brian/.local/pipx/venvs/webcam-filters/lib/python3.9/site-packages/webcam_filters/gst.py", line 152, in add_filters
    selfie.set_property("model", selfie_segmentation_model)
AttributeError: 'NoneType' object has no attribute 'set_property'

opened by kelnos 9

numpy_where element does not negoitate cap correctly

As stated in #3, I have a problem where the command, when launched with some parameters for resolution / framerate, exits after one second without showing any error message. Example:

$ webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150
Selectd input: media-type=image/jpeg, width=1280 height=720 framerate=30/1

(python3:125359): GStreamer-CRITICAL **: 20:04:27.677: The created element should be floating, this is probably caused by faulty bindings

(python3:125359): GStreamer-CRITICAL **: 20:04:27.677: The created element should be floating, this is probably caused by faulty bindings

(python3:125359): GStreamer-CRITICAL **: 20:04:27.678: The created element should be floating, this is probably caused by faulty bindings
INFO: Created TensorFlow Lite XNNPACK delegate for CPU.
$

Actually, at least with my webcam (a Logitech HD Pro C920), the only working parameters are when setting the resolution / framerate to 1920x1080 at 30 FPS (image/jpeg).

Just tried at the moment to run it with the env variable GST_DEBUG=1 and I get this error just before it gives back the prompt:

0:00:01.066575233 125506      0x215ac00 ERROR                 python numpy_where.py:148:do_aggregate: buffer is too small for requested array

bug

opened by mid1221213 6

Unable to install

Created a virtualenv
Installed pipx
Got below error:

PIP STDOUT
----------

PIP STDERR
----------
ERROR: Could not find a version that satisfies the requirement webcam-filters (from versions: none)
ERROR: No matching distribution found for webcam-filters

$ python3 --version Python 3.7.7

opened by SoumenDass 6

Error while running the demo commands

$ webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150

Traceback (most recent call last):
  File "/home/eeroh/.local/bin/webcam-filters", line 8, in <module>
    sys.exit(cli())
  File "/home/eeroh/.local/lib/python3.9/site-packages/click/core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "/home/eeroh/.local/lib/python3.9/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/home/eeroh/.local/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/eeroh/.local/lib/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/eeroh/.local/lib/python3.9/site-packages/webcam_filters/main.py", line 137, in cli
    add_filters(
  File "/home/eeroh/.local/lib/python3.9/site-packages/webcam_filters/gst.py", line 68, in add_filters
    for c in caps:
TypeError: 'Caps' object is not iterable

documentation

opened by vincit-haihala 5

AttributeError: enter when running with blur

Hi, I'm still struggling to get blur to work on Ubuntu 20.04. I struggled with #4 but got past that by installing gstreamer1.0-python3-plugin-loader. The command does not 'crash' now but it spits out an infinite stream of errors:

% GST_DEBUG=GST_PLUGIN_LOADING:4,pyplugin:6 webcam-filters --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150 | sed 's/jgrgt/jgrgt/g'
0:00:00.000339346 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:318:_priv_gst_plugin_initialize: registering 0 static plugins
0:00:00.000423577 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:226:gst_plugin_register_static: registered static plugin "staticelements"
0:00:00.000450943 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:228:gst_plugin_register_static: added static plugin "staticelements", result: 1
0:00:00.008871418 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:1524:gst_plugin_ext_dep_extract_env_vars_paths:<plugin36> ignoring environment variable content '': either not an absolute path or not a path at all
0:00:00.008884089 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:1524:gst_plugin_ext_dep_extract_env_vars_paths:<plugin36> ignoring environment variable content '1': either not an absolute path or not a path at all
0:00:00.009128618 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:1524:gst_plugin_ext_dep_extract_env_vars_paths:<plugin106> ignoring environment variable content '': either not an absolute path or not a path at all
0:00:00.013450325 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideo4linux2.so" loaded
Selectd input: media-type=image/jpeg, width=1280 height=720 framerate=30/1
0:00:00.016463374 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so" loaded
0:00:00.017510553 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so" loaded
0:00:00.018003740 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoconvert.so" loaded
0:00:00.021918098 88314      0x1229670 LOG                 pyplugin gstpythonplugin.c:227:plugin_init: Checking to see if libpython is already loaded
0:00:00.021953189 88314      0x1229670 LOG                 pyplugin gstpythonplugin.c:230:plugin_init: libpython is already loaded
0:00:00.021958312 88314      0x1229670 LOG                 pyplugin gstpythonplugin.c:249:plugin_init: python was already initialized
0:00:00.021967731 88314      0x1229670 LOG                 pyplugin gstpythonplugin.c:253:plugin_init: Running with python version '3.8.10 (default, Jun  2 2021, 10:49:15) 
[GCC 9.4.0]'
0:00:00.021972050 88314      0x1229670 LOG                 pyplugin gstpythonplugin.c:255:plugin_init: initializing pygobject
0:00:00.022180382 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:154:gst_python_plugin_load: GST_PLUGIN_PATH set to /home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins:
0:00:00.022221452 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin cv2_boxfilter
0:00:00.144117053 88314      0x1229670 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin
0:00:00.144157775 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin selfie_segmentation
0:00:00.395388933 88314      0x1229670 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin
0:00:00.395410970 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:48:gst_python_plugin_load_file: loading plugin numpy_where
0:00:00.396734247 88314      0x1229670 INFO                pyplugin gstpythonplugin.c:103:gst_python_plugin_load_file: Valid plugin
0:00:00.396762556 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “python”: No such file or directory
0:00:00.396772276 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:172:gst_python_plugin_load: GST_PLUGIN_SYSTEM_PATH not set
0:00:00.396783639 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “/home/jgrgt/.gstreamer-1.0/plugins/python”: No such file or directory
0:00:00.396793250 88314      0x1229670 DEBUG               pyplugin gstpythonplugin.c:121:gst_python_load_directory: Couldn't open Python plugin dir: Error opening directory “lib/x86_64-linux-gnu/gstreamer-1.0/python”: No such file or directory
0:00:00.396802097 88314      0x1229670 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstpython.so" loaded
INFO: Created TensorFlow Lite XNNPACK delegate for CPU.
0:00:00.420456846 88314      0x1ecccc0 INFO      GST_PLUGIN_LOADING gstplugin.c:902:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstjpeg.so" loaded
Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/selfie_segmentation.py", line 151, in do_transform_ip
    with inbuf_info:
AttributeError: __enter__

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/cv2_boxfilter.py", line 104, in do_transform_ip
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/selfie_segmentation.py", line 169, in do_transform_ip
    with inbuf_info:
AttributeError: __enter__
    except Gst.MapError as e:

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 32, in __getattr__
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/cv2_boxfilter.py", line 115, in do_transform_ip
    return getattr(self._introspection_module, name)
  File "/usr/lib/python3/dist-packages/gi/module.py", line 131, in __getattr__
    except Gst.MapError as e:
  File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 32, in __getattr__
    raise AttributeError("%r object has no attribute %r" % (
AttributeError: 'gi.repository.Gst' object has no attribute 'MapError'
    return getattr(self._introspection_module, name)
  File "/usr/lib/python3/dist-packages/gi/module.py", line 131, in __getattr__
    raise AttributeError("%r object has no attribute %r" % (
AttributeError: 'gi.repository.Gst' object has no attribute 'MapError'
Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/cv2_boxfilter.py", line 104, in do_transform_ip
Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/selfie_segmentation.py", line 151, in do_transform_ip
    with inbuf_info:
AttributeError: __enter__

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
    with inbuf_info:
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/cv2_boxfilter.py", line 115, in do_transform_ip
AttributeError: __enter__

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/selfie_segmentation.py", line 169, in do_transform_ip
    except Gst.MapError as e:
  File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 32, in __getattr__
    except Gst.MapError as e:
  File "/usr/lib/python3/dist-packages/gi/overrides/__init__.py", line 32, in __getattr__
    return getattr(self._introspection_module, name)
    return getattr(self._introspection_module, name)
  File "/usr/lib/python3/dist-packages/gi/module.py", line 131, in __getattr__
  File "/usr/lib/python3/dist-packages/gi/module.py", line 131, in __getattr__
    raise AttributeError("%r object has no attribute %r" % (
    raise AttributeError("%r object has no attribute %r" % (
AttributeError: 'gi.repository.Gst' object has no attribute 'MapError'
AttributeError: 'gi.repository.Gst' object has no attribute 'MapError'
Traceback (most recent call last):
  File "/home/jgrgt/.local/lib/python3.8/site-packages/webcam_filters/plugins/python/numpy_where.py", line 109, in do_aggregate
    self.selected_samples(cbuf.pts, cbuf.dts, cbuf.duration, None)
AttributeError: 'Where' object has no attribute 'selected_samples'

Any ideas what I'm still missing?

opened by jgrgt 4

Bump click from 8.0.3 to 8.1.3
Bumps click from 8.0.3 to 8.1.3.

Release notes

Sourced from click's releases.

8.1.3

This is a fix release for the 8.1.0 feature release.

Changes: https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-3

Milestone: https://github.com/pallets/click/milestone/18?closed=1

8.1.2

This is a fix release for the 8.1.0 feature release.

Changes: https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-2

Milestone: https://github.com/pallets/click/milestone/17?closed=1

8.1.1

This is a fix release for the 8.1.0 feature release.

Changes: https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-1

Milestone: https://github.com/pallets/click/milestone/14?closed=1

8.1.0

This is a feature release, which includes new features and removes previously deprecated features. The 8.1.x branch is now the supported bugfix branch, the 8.0.x branch will become a tag marking the end of support for that branch. We encourage everyone to upgrade, and to use a tool such as pip-tools to pin all dependencies and control upgrades.

Changes: https://click.palletsprojects.com/en/8.1.x/changes/#version-8-1-0

Milestone: https://github.com/pallets/click/milestone/9?closed=1

8.0.4

Changes: https://click.palletsprojects.com/en/8.0.x/changes/#version-8-0-4

Milestone: https://github.com/pallets/click/milestone/13?closed=1

Changelog

Sourced from click's changelog.

Version 8.1.3

Released 2022-04-28

Use verbose form of typing.Callable for @command and @group. :issue:2255

Show error when attempting to create an option with multiple=True, is_flag=True. Use count instead. :issue:2246

Version 8.1.2

Released 2022-03-31

Fix error message for readable path check that was mixed up with the executable check. :pr:2236

Restore parameter order for Path, placing the executable parameter at the end. It is recommended to use keyword arguments instead of positional arguments. :issue:2235

Version 8.1.1

Released 2022-03-30

Fix an issue with decorator typing that caused type checking to report that a command was not callable. :issue:2227

Version 8.1.0

Released 2022-03-28

Drop support for Python 3.6. :pr:2129

Remove previously deprecated code. :pr:2130

Group.resultcallback is renamed to result_callback.

autocompletion parameter to Command is renamed to shell_complete.

get_terminal_size is removed, use shutil.get_terminal_size instead.

get_os_args is removed, use sys.argv[1:] instead.

Rely on :pep:538 and :pep:540 to handle selecting UTF-8 encoding instead of ASCII. Click's locale encoding detection is removed.

... (truncated)

Commits

9c6f4c8 Merge pull request #2262 from pallets/release-8.1.3

5ec7749 release version 8.1.3

2ac3211 update requirements

5fd87bd Merge pull request #2248 from jreese/8.1.x

daa2d8e disallow use of is_flag and multiple in option

afdfb12 Merge pull request #2256 from Jonxslays/patch/typing-fix

4695370 use verbose Callable for @command and @group

6f35455 start version 8.1.3

4883c93 pre-commit updates latest release branch

0f833b6 update requirements

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dependencies
opened by dependabot[bot] 3
Bump opencv-contrib-python from 4.5.3.56 to 4.6.0.66
Bumps opencv-contrib-python from 4.5.3.56 to 4.6.0.66.

Release notes

Sourced from opencv-contrib-python's releases.

4.6.0.66

opencv-python: https://pypi.org/project/opencv-python/ opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/ opencv-python-headless: https://pypi.org/project/opencv-python-headless/ opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV 4.6.0

Changes:

Updated third-party libraries to fix potential vulnerabilities. #666

Added support for building Windows ARM64 Python package. #644

The repository has been synchronized with scikit-build 0.14.0 release. #637

The build without internet connection has been fixed. #642

This release produced with libpng 1.6.37 and supports eXIf orientation tag. #662

4.5.5.64

opencv-python: https://pypi.org/project/opencv-python/ opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/ opencv-python-headless: https://pypi.org/project/opencv-python-headless/ opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV 4.5.5

Changes:

Updated third-party libraries to fix potential vulnerabilities. #617

4.5.5.62

opencv-python: https://pypi.org/project/opencv-python/ opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/ opencv-python-headless: https://pypi.org/project/opencv-python-headless/ opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV 4.5.5

Changes:

Switched to a single binary release with Python Limited API to cover all Python versions since 3.6. #595

4.5.4.60

opencv-python: https://pypi.org/project/opencv-python/ opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/ opencv-python-headless: https://pypi.org/project/opencv-python-headless/ opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV 4.5.4

Changes:

The build from source has been fixed. #577

Imshow segmentation fault issue have been fixed on Linux x86_64 with Python 3.9. #572

Updated OpenCV dependency to tag 4.5.4. #578

Pylint no-member warning and an autocomplete in IDE were fixed. #579

... (truncated)

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dependencies
opened by dependabot[bot] 2
Bump rich from 10.16.2 to 13.0.0
Bumps rich from 10.16.2 to 13.0.0.

Release notes

Sourced from rich's releases.

Dropped Python3.6 support

Some relatively minor fixes and improvements. The most significant update (and the reason for the major version bump) is that Rich has dropped Python3.6 support.

If you are a Python3.6 user and can't upgrade for whatever reason, pin to version 12.6.0.

[13.0.0] - 2022-12-30

Fixed

Reversed pre and code tags in base HTML format Textualize/rich#2642

Improved detection of attrs library, that isn't confused by the presence of the attr library.

Fixed issue with locals_max_length parameter not being respected in Traceback Textualize/rich#2649

Handling of broken fileno made more robust. Fixes Textualize/rich#2645

Fixed missing fileno on FileProxy

Changed

Bumped minimum Python version to 3.7 Textualize/rich#2567

Pretty-printing of "tagged" __repr__ results is now greedy when matching tags Textualize/rich#2565

progress.track now supports deriving total from __length_hint__

Added

Add type annotation for key_separator of pretty.Node Textualize/rich#2625

The FORCE_COLOR edition

NOTE: 12.6.0 may be the last version to support Python3.6. The next version will be 13.0.0, and will be Python3.7+

[12.6.0] - 2022-10-02

Added

Parse ANSI escape sequences in pretty repr Textualize/rich#2470

Add support for FORCE_COLOR env var Textualize/rich#2449

Allow a max_depth argument to be passed to the install() hook Textualize/rich#2486

Document using None as name in __rich_repr__ for tuple positional args Textualize/rich#2379

Add font_aspect_ratio parameter in SVG export Textualize/rich#2539

Added Table.add_section method. Textualize/rich#2544

Fixed

Handle stdout/stderr being null Textualize/rich#2513

Fix NO_COLOR support on legacy Windows Textualize/rich#2458

Fix pretty printer handling of cyclic references Textualize/rich#2524

Fix missing mode property on file wrapper breaking uploads via requests Textualize/rich#2495

Fix mismatching default value of parameter ensure_ascii Textualize/rich#2538

Remove unused height parameter in Layout class Textualize/rich#2540

Fixed exception in Syntax.rich_measure for empty files

... (truncated)

Changelog

Sourced from rich's changelog.

[13.0.0] - 2022-12-30

Fixed

Reversed pre and code tags in base HTML format Textualize/rich#2642

Improved detection of attrs library, that isn't confused by the presence of the attr library.

Fixed issue with locals_max_length parameter not being respected in Traceback Textualize/rich#2649

Handling of broken fileno made more robust. Fixes Textualize/rich#2645

Fixed missing fileno on FileProxy

Changed

Bumped minimum Python version to 3.7 Textualize/rich#2567

Pretty-printing of "tagged" __repr__ results is now greedy when matching tags Textualize/rich#2565

progress.track now supports deriving total from __length_hint__

Added

Add type annotation for key_separator of pretty.Node Textualize/rich#2625

[12.6.0] - 2022-10-02

Added

Parse ANSI escape sequences in pretty repr Textualize/rich#2470

Add support for FORCE_COLOR env var Textualize/rich#2449

Allow a max_depth argument to be passed to the install() hook Textualize/rich#2486

Document using None as name in __rich_repr__ for tuple positional args Textualize/rich#2379

Add font_aspect_ratio parameter in SVG export Textualize/rich#2539

Added Table.add_section method. Textualize/rich#2544

Fixed

Handle stdout/stderr being null Textualize/rich#2513

Fix NO_COLOR support on legacy Windows Textualize/rich#2458

Fix pretty printer handling of cyclic references Textualize/rich#2524

Fix missing mode property on file wrapper breaking uploads via requests Textualize/rich#2495

Fix mismatching default value of parameter ensure_ascii Textualize/rich#2538

Remove unused height parameter in Layout class Textualize/rich#2540

Fixed exception in Syntax.rich_measure for empty files

Changed

Removed border from code blocks in Markdown

[12.5.2] - 2022-07-18

Added

... (truncated)

Commits

d14b304 Merge pull request #2727 from Textualize/v13.0.0

7cf0797 changelog

245c737 release in changelog

b2fa5f1 changelog

7601290 Merge pull request #2715 from Textualize/win-batch

e833da9 don't reraise

b66f1f0 comment

c8c116c fix typing

1f3f18c try new poetry

497177f better batching

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dependencies
opened by dependabot[bot] 0
Bump opencv-contrib-python from 4.6.0.66 to 4.7.0.68
Bumps opencv-contrib-python from 4.6.0.66 to 4.7.0.68.

Release notes

Sourced from opencv-contrib-python's releases.

4.7.0.68

opencv-python: https://pypi.org/project/opencv-python/ opencv-contrib-python: https://pypi.org/project/opencv-contrib-python/ opencv-python-headless: https://pypi.org/project/opencv-python-headless/ opencv-contrib-python-headless: https://pypi.org/project/opencv-contrib-python-headless/

OpenCV 4.7.0

Changes:

Updated third-party libraries to fix potential vulnerabilities.

Dropped Python 3.6 support.

Added Python 3.11 support.

Commits

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dependencies
opened by dependabot[bot] 0
Bump numpy from 1.23.4 to 1.24.1
Bumps numpy from 1.23.4 to 1.24.1.

Release notes

Sourced from numpy's releases.

v1.24.1

NumPy 1.24.1 Release Notes

NumPy 1.24.1 is a maintenance release that fixes bugs and regressions discovered after the 1.24.0 release. The Python versions supported by this release are 3.8-3.11.

Contributors

A total of 12 people contributed to this release. People with a "+" by their names contributed a patch for the first time.

Andrew Nelson

Ben Greiner +

Charles Harris

Clément Robert

Matteo Raso

Matti Picus

Melissa Weber Mendonça

Miles Cranmer

Ralf Gommers

Rohit Goswami

Sayed Adel

Sebastian Berg

Pull requests merged

A total of 18 pull requests were merged for this release.

#22820: BLD: add workaround in setup.py for newer setuptools

#22830: BLD: CIRRUS_TAG redux

#22831: DOC: fix a couple typos in 1.23 notes

#22832: BUG: Fix refcounting errors found using pytest-leaks

#22834: BUG, SIMD: Fix invalid value encountered in several ufuncs

#22837: TST: ignore more np.distutils.log imports

#22839: BUG: Do not use getdata() in np.ma.masked_invalid

#22847: BUG: Ensure correct behavior for rows ending in delimiter in...

#22848: BUG, SIMD: Fix the bitmask of the boolean comparison

#22857: BLD: Help raspian arm + clang 13 about __builtin_mul_overflow

#22858: API: Ensure a full mask is returned for masked_invalid

#22866: BUG: Polynomials now copy properly (#22669)

#22867: BUG, SIMD: Fix memory overlap in ufunc comparison loops

#22868: BUG: Fortify string casts against floating point warnings

#22875: TST: Ignore nan-warnings in randomized out tests

#22883: MAINT: restore npymath implementations needed for freebsd

#22884: BUG: Fix integer overflow in in1d for mixed integer dtypes #22877

#22887: BUG: Use whole file for encoding checks with charset_normalizer.

Checksums

... (truncated)

Commits

a28f4f2 Merge pull request #22888 from charris/prepare-1.24.1-release

f8fea39 REL: Prepare for the NumPY 1.24.1 release.

6f491e0 Merge pull request #22887 from charris/backport-22872

48f5fe4 BUG: Use whole file for encoding checks with charset_normalizer [f2py] (#22...

0f3484a Merge pull request #22883 from charris/backport-22882

002c60d Merge pull request #22884 from charris/backport-22878

38ef9ce BUG: Fix integer overflow in in1d for mixed integer dtypes #22877 (#22878)

bb00c68 MAINT: restore npymath implementations needed for freebsd

64e09c3 Merge pull request #22875 from charris/backport-22869

dc7bac6 TST: Ignore nan-warnings in randomized out tests

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dependencies
opened by dependabot[bot] 0
Bump mediapipe from 0.9.0 to 0.9.0.1
Bumps mediapipe from 0.9.0 to 0.9.0.1.

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dependencies
opened by dependabot[bot] 0

Error when trying to start

Hello. When I try to start webcam-filters, I get this error:

# webcam-filters --input-dev /dev/video0 --output-dev /dev/video3
Selected input: media-type=image/jpeg, width=1280 height=720 framerate=30/1
Error from /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0: Cannot identify device '/dev/video3'.

I haven't got video3 device, so error isn't that device is busy. Starting this with different outputs has no effect:

# webcam-filters --input-dev /dev/video0 --output-dev /dev/video10
Selected input: media-type=image/jpeg, width=1280 height=720 framerate=30/1
Error from /GstPipeline:pipeline0/GstV4l2Sink:v4l2sink0: Cannot identify device '/dev/video10'.

I sure that my camera is video0. I installed webcam-filters via pipx, but using nix doesn't fix this error. I have satisfied all dependencies. I use Ach Linux with

# uname -a
Linux arch 5.10.70-1-lts #1 SMP Thu, 30 Sep 2021 09:43:10 +0000 x86_64 GNU/Linux

How can I fix this error? Thanks for your help.

P. S. Sorry for my english, I'm from another county.

opened by coder8080 9

Caps object is not iterable

When running webcam-filters I get the following traceback

➜  ~ webcam-filters --verbose --input-dev /dev/video0 --output-dev /dev/video3 --background-blur 150

Traceback (most recent call last):
  File "/home/restore/.local/bin/webcam-filters", line 9, in <module>
    sys.exit(main())
  File "/home/restore/.local/lib/python3.8/site-packages/webcam_filters/__main__.py", line 5, in main
    cli.main(prog_name="webcam-filters")
  File "/home/restore/.local/lib/python3.8/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/home/restore/.local/lib/python3.8/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/restore/.local/lib/python3.8/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/restore/.local/lib/python3.8/site-packages/webcam_filters/main.py", line 154, in cli
    add_filters(
  File "/home/restore/.local/lib/python3.8/site-packages/webcam_filters/gst.py", line 98, in add_filters
    for s in caps:
TypeError: 'Caps' object is not iterable

I tried different devices but always the same result. Anything else I can check?

opened by jekkos 13

Releases(v0.3.0)

v0.3.0(Sep 30, 2021)
Features

VAAPI support (#16, #18)

--verbose flag (#19)

Bugs

Fix numpy_where element caps negotiation #17

Misc

Nix package improvements

Source code(tar.gz)
Source code(zip)
v0.2.2(Sep 17, 2021)

Added a Nix package. You can now install with:

$ nix-env --file https://github.com/jashandeep-sohi/webcam-filters/archive/refs/tags/v0.2.2.tar.gz --install
Source code(tar.gz)
Source code(zip)
v0.2.2-alpha.0(Sep 17, 2021)

Source code(tar.gz)
Source code(zip)
v0.2.1(Sep 1, 2021)

Source code(tar.gz)
Source code(zip)
v0.2.1-alpha.0(Aug 31, 2021)

Source code(tar.gz)
Source code(zip)
v0.2.0(Aug 26, 2021)

Switch to GStreamer for more control and better performance.
Source code(tar.gz)
Source code(zip)
v0.2.0-alpha.2(Aug 26, 2021)

Source code(tar.gz)
Source code(zip)
v0.2.0-alpha.1(Aug 17, 2021)

Source code(tar.gz)
Source code(zip)
v0.2.0-alpha.0(Aug 17, 2021)

Source code(tar.gz)
Source code(zip)
v0.1.0(Aug 9, 2021)

Source code(tar.gz)
Source code(zip)
0.1.0-alpha.0(Aug 9, 2021)

Source code(tar.gz)
Source code(zip)

Add filters (background blur, etc) to your webcam on Linux.

Related tags

Overview

webcam-filters

Usage

Dependencies

v4l2loopback

Gstreamer

Installation

Comments

8.1.3

8.1.2

8.1.1

8.1.0

8.0.4

Version 8.1.3

Version 8.1.2

Version 8.1.1

Version 8.1.0

4.6.0.66

4.5.5.64

4.5.5.62

4.5.4.60

Dropped Python3.6 support

[13.0.0] - 2022-12-30

Fixed

Changed

Added

The FORCE_COLOR edition

[12.6.0] - 2022-10-02

Added

Fixed

[13.0.0] - 2022-12-30

Fixed

Changed

Added

[12.6.0] - 2022-10-02

Added

Fixed

Changed

[12.5.2] - 2022-07-18

Added

4.7.0.68

v1.24.1

NumPy 1.24.1 Release Notes

Contributors

Pull requests merged

Checksums

Releases(v0.3.0)

v0.3.0(Sep 30, 2021)

Features

Bugs

Misc

v0.2.2(Sep 17, 2021)

v0.2.2-alpha.0(Sep 17, 2021)

v0.2.1(Sep 1, 2021)

v0.2.1-alpha.0(Aug 31, 2021)

v0.2.0(Aug 26, 2021)

v0.2.0-alpha.2(Aug 26, 2021)

v0.2.0-alpha.1(Aug 17, 2021)

v0.2.0-alpha.0(Aug 17, 2021)

v0.1.0(Aug 9, 2021)

0.1.0-alpha.0(Aug 9, 2021)

Owner

Jashandeep Sohi

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