The default logging handler used by GStreamer.
Logging functions get called whenever a macro like GST_DEBUG or similar is used. This function outputs the message and additional info to
stderr (or the log file specified via the GST_DEBUG_FILE environment variable).
| category |
category to log |
| level |
level of the message |
| file |
the file that emitted the message, usually the __FILE__ identifier |
| function |
the function that emitted the message |
| line |
the line from that the message was emitted, usually __LINE__ |
| object |
the object this message relates to, or NULL if none |
| message |
the actual message |
| unused |
an unused variable, reserved for some user_data. |