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freebsd-ports/audio/libvorbis/pkg-descr
Christian Weisgerber b3bd686a99 Update to 1.2.2. From the change log:
* define VENDOR and ENCODER strings
* fix regression from CVE-2008-1420; 1.0b1 files work again
* mark all tables as constant to reduce memory occupation
* additional decoder hardening against malicious streams
* substantially reduce amount of seeking performed by Vorbisfile
* Multichannel decode bugfix
* Improved robustness with corrupt streams.
* New ov_read_filter() vorbisfile call allows filtering decoded
  audio as floats before converting to integer samples.
* Fix an encoder bug with multichannel streams.
* Bare bones self test under 'make check'.
* Fix a problem encoding some streams between 14 and 28 kHz.
* Fix a numerical instability in the edge extrapolation filter.
* Specification correction.
2009-07-06 21:23:56 +00:00

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Vorbis is a general purpose audio and music encoding format
contemporary to MPEG-4's AAC and TwinVQ, the next generation beyond
MPEG audio layer 3. Unlike the MPEG sponsored formats (and other
proprietary formats such as RealAudio G2 and Windows' flavor of the
month), the Vorbis CODEC specification belongs to the public domain.
All the technical details are published and documented, and any
software entity may make full use of the format without royalty or
patent concerns.
This package contains:
- libvorbis, a BSD-license software implementation of the Vorbis
specification by the Xiphophorus company.
- libvorbisfile, a BSD-license convenience library built on Vorbis
designed to simplify common uses.
- libvorbisenc, a BSD-license library that provides a simple,
programmatic encoding setup interface.
WWW: http://www.xiph.org/vorbis/