[ogg-dev] Quicktime audio export atom

[Jeremy Smith]

Good afternoon-

Please forgive the rank newbie question - I'm putting together an app that
exports audio into Ogg Vorbis files using Quicktime in Cocoa/Obj-C. Source
files could be anything, with or without video, with 8 or more tracks.

I want to export the audio track-for-track (no downmixing). The only things
I want to vary are the bitrate of the output and in- and out- points of the
exported clip.

If someone could point me at some sample code for creating and using this
export Atom I would be very grateful.

I have one working to export to .wav, but the client wants .ogg export. I
made the .wav one using the dialogue box (and saving out the Atom
generated), but doing this with the .ogg dialogue doesn't appear to work
properly. In particlular the "audio options" button does nothing, and the
exported files have 6 tracks.

Hoping someone can assist.

Regards

Jeremy
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