[vorbis-dev] Re: [Flac-dev] ogg/flac and winamp plugin

Kevin Marks kmarks at apple.com
Tue Nov 20 16:04:54 PST 2001



At 3:41 PM -0800 11/20/01, Christian.Buchner wrote:
>  > The tags associated with Vorbis files are at the Vorbis level, not Ogg.
>>
>
>Hmm, now with that issue in mind and the problem of including Ogg FLAC and
>later Ogg Tarkin, I think the following becomes obvious:
>
>We need an abstraction layer between the Ogg stream level and the player
>application.
>
>Such that an audio player can get hold of the audio packets and stream
>metadata, regardless of whether there is a video stream contained within
>the stream and regardless of whether the stream is multiplexed or not.
>And most important: regardless of the audio or video codecs used.
>And we also need metadata for audio and video alltogether (like "recording
>of BBC world news, <date> <time>, blah"
>
>Current player applications tend to break as soon as they encounter something
>they don't expect (oh my god! a FLAC header!)
>
>Someone should start to design a versatile interface which gives you a
>list of all codecs and streams within an ogg file and the audio and video
>properties. And it should delivers the audio and video you requested in
>uncompressed form in any color space or PCM format you require.
>And ideally, this interface would work with streaming files as well as with
>files from local storage. ;)  I am dreaming...

/ogg/mov

You're not dreaming, it is shipping. It's called QuickTime. Its 10th 
anniversary is next week.

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