How to set duration for VBR stream?

Michael Smith msmith at
Tue Nov 8 14:43:56 PST 2011

GStreamer already has a very well debugged and high quality mp3
parser. You should use that.

If you have a reason to use a separate decoder, then that's fine - but
don't rewrite the parser.


On Tue, Nov 8, 2011 at 8:44 AM, vijay <pvijaii at> wrote:
> Hi,
>    I am writing mp3 parser and decoder plugin.
> In case of VBR stream if duration is not there in id3 how to set the
> duration
> Do i need to parse the file till end of the stream and to calculate the
> duration using average bit rate?
> or
> Can  we able to set the duration while playing by getting the bitrate for
> each frame?
> Regards,
> Vijay P
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