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Diffstat (limited to 'Documentation/environment_variables.rst')
| -rw-r--r-- | Documentation/environment_variables.rst | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/Documentation/environment_variables.rst b/Documentation/environment_variables.rst index fa703a72..0a7760cb 100644 --- a/Documentation/environment_variables.rst +++ b/Documentation/environment_variables.rst @@ -19,6 +19,9 @@ LIBCAMERA_LOG_LEVELS Example value: ``*:DEBUG`` +LIBCAMERA_LOG_NO_COLOR + Disable coloring of log messages (`more <Notes about debugging_>`__). + LIBCAMERA_IPA_CONFIG_PATH Define custom search locations for IPA configurations (`more <IPA configuration_>`__). @@ -40,12 +43,20 @@ Further details Notes about debugging ~~~~~~~~~~~~~~~~~~~~~ -The environment variables ``LIBCAMERA_LOG_FILE`` and ``LIBCAMERA_LOG_LEVELS`` -are used to modify the destination and verbosity of messages provided by -libcamera. +The environment variables ``LIBCAMERA_LOG_FILE``, ``LIBCAMERA_LOG_LEVELS`` and +``LIBCAMERA_LOG_NO_COLOR`` are used to modify the default configuration of the +libcamera logger. + +By default, libcamera logs all messages to the standard error (std::cerr). +Messages are colored by default depending on the log level. Coloring can be +disabled by setting the ``LIBCAMERA_LOG_NO_COLOR`` environment variable. + +The default log destination can also be directed to a file by setting the +``LIBCAMERA_LOG_FILE`` environment variable to the log file name. This also +disables coloring. -The ``LIBCAMERA_LOG_LEVELS`` variable accepts a comma-separated list of -'category:level' pairs. +Log levels are controlled through the ``LIBCAMERA_LOG_LEVELS`` variable, which +accepts a comma-separated list of 'category:level' pairs. The `level <Log levels_>`__ part is mandatory and can either be specified by name or by numerical index associated with each level. |