Thread-topic: M4A export with QTKit (or native QuickTime-API)?
User-agent: Microsoft-Entourage/11.2.4.060510
Hi Eberhard,
As you have noticed, QuickTime Player is much more flexible than an iPod in
what it plays. The m4a file you are trying to create is an mp4 variant, not
an mov. Unless you have a way to build a reliable m4a file from scratch, I
believe the only straightforward way to do this at this time is using
Apple's Chapter Tool which is discussed here along with a download link:
http://www.apple.com/itunes/podcasts/faq.html
Perhaps this will be into QuickTime at some point as a particular kind of
export. If it is already hiding in there somewhere, it would be great if
someone would document it.
-- Michael
On 6/26/06 4:24 AM, "Eberhard Rensch" <email@hidden> wrote:
> Hi,
>
> I've created an "enhanced AAC" structure in a QuickTime movie
> (wrapped into a QTMovie).
> The movie contains 4 tracks (AAC track,chapter text track, URL text
> track and a JPEG track) and some id3 tags as annotations.
>
> When writing this to disk (with [qtMovie writeToFile:...] with
> QTMovieFlatten flag set) I'll get a .mov file which works as expected
> in QuickTime Player (chapters, images ect.) but obviously is not
> usable with iTunes or an iPod.
>
> In order to get a m4a file I suppose its necessary to export the
> QTMovie into the right file format (instead of flatten it to a .mov
> file).
>
> I've tried to call:
>
> NSDictionary* dict = [NSDictionary dictionaryWithObjectsAndKeys:
> [NSNumber numberWithBool:YES],
> QTMovieExport,
> [NSNumber
> numberWithInt:kQTFileTypeMP4], QTMovieExportType,
> nil];
> BOOL success = [dstMovie writeToFile:dstFilePath withAttributes:dict];
>
> With that I've got a mp4-file where the chapter track and id3 tags
> are gone and the URL-Text track and image track are mixed together to
> one unclickable image track.
>
> Are there any settings (maybe with QTMovieExportSettings) that give
> me control over this? Or is there a way to do this task with old
> style Quicktime-API?
>
> I've searched the list archives and developer documentation over and
> over again and couldn't find anything useful about this.
>
> Anyone can help?
>
> Thanks,
>
> Eberhard
> Pleasant software for the people
>
>
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