[Vorbis] Vorbis granule position
Ralph Giles
giles at xiph.org
Tue Oct 23 14:34:46 PDT 2007
On Tue, Oct 23, 2007 at 02:44:44PM -0500, James M. Rotenberry wrote:
> When a ogg vorbis stream is ripped using wget, fetch, or
> streamripper under Linux or FreeBSD, the resulting file has
> problems both with granule position and with a missing EOS.
A missing EOS isn't really a problem, it just indicates the stream is
incomplete. There are a couple of scripts to set the EOS flag. Mine is
in http://downloads.xiph.org/releases/rogg/rogg-0.1.tar.gz
Decreasing granulepos is a problem, and shouldn't happen. What stream
are you seeing this from?
It is possible to retimestamp a stream, but I'm not aware of any tools
which do so. Running it through gstreamer's muxer or liboggz after
setting the packet timestamps to "-1" might help.
-r
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