* (de)muxers in libavdevice are of the AVFMT_NOFILE type (they use their own
* I/O functions). The filename passed to avformat_open_input() often does not
* refer to an actually existing file, but has some special device-specific
- * meaning - e.g. for x11grab it is the display name.
+ * meaning - e.g. for xcbgrab it is the display name.
*
* To use libavdevice, simply call avdevice_register_all() to register all
* compiled muxers and demuxers. They all use standard libavformat API.
/**
* Initialize libavdevice and register all the input and output devices.
- * @warning This function is not thread safe.
*/
void avdevice_register_all(void);