Vorbis dev - Mar 2008 - AW: Determining the duration of an ogg vorbis file

Thank you very much for your help, it worked that way.

Mathias



----- Urspr?ngliche Mail ----
Von: "xiphmont@xiph.org" <xiphmont@xiph.org>
An: Conrad Parker <conrad@metadecks.org>
CC: Mathias Kunter <mathiaskunter@yahoo.de>; vorbis-dev@xiph.org
Gesendet: Donnerstag, den 20. M?rz 2008, 12:49:16 Uhr
Betreff: Re: [Vorbis-dev] Determining the duration of an ogg vorbis file

On Thu, Mar 20, 2008 at 4:34 AM, Conrad Parker <conrad@metadecks.org>
wrote:
>  The granulpos field of the last page in the vorbis stream should tell
>  you the duration in samples, divide it by the samplerate to get the
>  duration in seconds.
...that tells you the end time.  In the event that the beginning time
is at a positive offset (like in a typical live stream) you also need
to subtract the starting time (granpos on the first audio page)

Monty





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