a #RetroCore
the log domain, usually #G_LOG_DOMAIN, or %NULL
the log level, either from #GLogLevelFlags or a user-defined level
the message to log
Gets the aspect ratio of pixbuf by reading the 'aspect-ratio' pixbuf option.
a #GdkPixbuf
Sets the aspect ratio of pixbuf by setting the 'aspect-ratio' pixbuf option.
Use retro_pixbuf_get_aspect_ratio() to retrieve it.
a #GdkPixbuf
the aspect ratio value
Gets a #RetroVideoFilter from it's name. It defaults to RETRO_VIDEO_FILTER_SMOOTH in case of error.
a filter name
Logs an error or debugging message.
This is a convenience function to forward the log signal of #RetroCore to g_log(), see it for more information.