I'm going nuts here. I've got the quicktime trailer for Sin City, and i'm trying to get it into an MP4 format for my PSP. I've tried exporting to MP4 with every imaginable combo of options from ...

Users have reported issues playing back some MP4 that are encoded using QuickTime with high quality in iTunes 6.0.4. One reader writes: ...

With the cessation of development and support of Perian, Mac users will eventually need to find a new way to play many otherwise unsupported video file formats. With choices including NicePlayer, ...

If you are experiencing slow encode times in QuickTime Pro 7.0.3, or an inability to play exported videos on your fifth-generation iPod, please drop us a line at [email protected].