Camera Plugin [WIP]

This plugin is used with the pub.dev package camera https://pub.dev/packages/camera

This file contains the development plan for the Camera Plugin project.

Current Progress

The Camera Plugin can currently handle availableCameras, create, and initialize.

Future Development

The following aspects are still under development:

Session and FrameSink classes: These classes need to be created to handle different parts of the camera’s operation.

Build libcamera

Clang

git clone https://git.libcamera.org/libcamera/libcamera.git
cd libcamera
CC=/usr/bin/clang CXX=/usr/bin/clang++ CXX_FLAGS=-stdlib=libc++ LDFLAGS=-stdlib=libc++ meson build -D lc-compliance=false
ninja -C build install -j `nproc`

GCC

git clone https://git.libcamera.org/libcamera/libcamera.git
cd libcamera
meson build
ninja -C build install -j `nproc`

libcamera logging output

To minimize libcamera logs to only errors use

export LIBCAMERA_LOG_LEVELS=*:ERROR

Functional Test Case

https://github.com/flutter/packages/tree/main/packages/camera/camera/example

Error enumerating cameras

If you see errors in homescreen log similar to:

/dev/media0[]: Failed to open media device at /dev/media0: Permission denied

Likely the user needs to be added to the video group:

sudo usermod -a -G video $LOGNAME

Reboot after. Logout/login will not always work.