[osg-users] ReadImage not routing to plugin?

I am trying to understand why osgDB::readImageFile( "abc.ogv" ) does not get routed to the ffmpeg plugin. I get no image loaded and I see that the readImage method of the plugin is not even called. If I call osgDB::readImageFile( "abc.ogv.ffmpeg" ) it works, but that is not going to be an a

Re: [osg-users] ReadImage not routing to plugin?

Thanks for the comments, Robert. Those match my understanding of how the plugins are supposed to work, so I am still stumped. As a simple example, I have a video file which I have named test.qqq to avoid any question of other plugins getting involved. I modified the ffmpeg plugin to advert