| HI,
Thanks to everyone who replied on this topic.
If I run afinfo on the files that are not playing properly (at all) I get the following result
Can't get FSRef for '/Users/rob/Desktop/C4'
where C4 is the file in question. These files have no extension, but adding .mp4 or .mov etc. does not seem to change anything. I'm thinking again that some expected header info is missing, although they all play fine in QT.
The context for this is an existing ear-training app that I am trying to move into Xcode/core audio and out of its current Quicktime based audio playback. Rebuilding the files as AAC files has resolved the playback problem in afplay, and is a workable solution that may have some benefits at the cost of increased file size. Now I just need to see if I can manipulate them as required in this environment.
Any insight with the 'FSRef' would be appreciated.
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