Many QuickTime users use the H.264 codec to encode content, but under QuickTime 7.5.5, some users are experiencing stuttering upon playback of encoded video. Apple Discussions poster Disctrict: "I've ...
Recently one workstation suddenly experienced similar behavior displaying DNxHD QuickTime movies in QuickTime Player as a black screen (with audio). Historically, if a QuickTime player video shows as ...
Pretty much everything that Quicktime doesn't catch, MPlayer does. Try it. However, note that anything with the Indeo codec can only be run in OS 9.
QuickTime MOV Converter – "Codec not supported" error when importing MOV files #969 ...