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Audio::TagLib::MPEG::XingHeader 1.42

Date Added: January 08, 2010 | Visits: 1.033

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Audio::TagLib::MPEG::XingHeader is an implementation of the Xing VBR headers. SYNOPSIS use Audio::TagLib::MPEG::XingHeader; my $i = Audio::TagLib::MPEG::XingHeader->new($data); print $i->isValid() ? "valid" : "invalid", "n"; This is a minimalistic implementation of the Xing VBR headers. Xing headers are often added to VBR (variable bit rate) MP3 streams to make it easy to compute the length and quality of a VBR stream. Our implementation is only concerned with the total size of the stream (so that we can calculate the total playing time and the average bitrate). It uses http://home.pcisys.net/~melanson/codecs/mp3extensions.txt and the XMMS sources as references. new(ByteVector $data) Parses a Xing header based on $data. The data must be at least 16 bytes long (anything longer than this is discarded). DESTROY() Destroy this XingHeader instance BOOL isValid() Returns true if the data was parsed properly and if there is a vaild Xing header present. UV totalFrames() Returns the total number of frames. UV totalSize() Returns the total size of stream in bytes. IV xingHeaderOffset(PV $version, PV $channelMode) [static] Returns the offset for the start of this Xing header, given the version and channels of the frame see Audio::TagLib::MPEG::Header.

Requirements: No special requirements

Platforms: Linux

Keyword: Audiotaglibmpegxingheader, Data, Implementation, Libraries, Mpeg, Programming, Returns, Taglib, Total, Vbr, Xing, Xing Vbr, Xingheader

Users rating: 0/10

License: Freeware

Size: 1.4 MB

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