[theora-dev] libtheora alpha 3 release
giles at xiph.org
Fri Mar 19 22:10:04 PST 2004
I'm pleased to announce the alpha 3 release of the theora reference
The main differences over alpha 2:
The encoded image has been flipped to match the sense used in VP3,
with the origin at the lower left. This allows lossless transcoding
of VP3 content.
The decoder data tables included in the bitstream header are more
complete and have more scope for future encoder improvements.
Some experimental tools are available in the win32 directory,
including a transcoder for avi vp3 files.
We hope there were be no more incompatible bitstream changes, but as
with previous alpha releases we make no promises that the format will
not change again. Only with the beta 1 release will we promise to
support encoded content, so use this only for content you can re-encode
Experimental playback support is now available (separately) for
Helix/Realplayer 10, Xine and mplayer; you might look at those if you
want a more full-featured player. Be sure to use an alpha-3 compatible
Thanks to everyone who contributed to make this release possible.
The release is tagged as theora1_0_alpha_3 in cvs; some data files from
cvs HEAD were omitted for reasons of space.
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