search for: addmediasamplereference

...for Ogg Vorbis on the mac platform. “publius” wrote this: “Some profiling of oggvorbis.qtx indicated that the lion's share of CPU time was spent inside, of all places, QuickTime itself - but being called from BeginMediaEdits. The BeginMediaEdits/EndMediaEdits calls were wrapped around AddMediaSampleReference calls, but the Apple docs clearly state (http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESI/ addmediasamplereference.htm) that BeginMediaEdits doesn't need to be called in this case. This patch rips out said use of BeginMediaEdits and this speeds up Vorbis file loading...