Balrogg: Demonically compacting (up to 15%) lossless Vorbis/Opus recompressor
Balrogg is a new lossless recompression tool designed to reduce the file size of Ogg Vorbis and Opus audio formats by up to 15%. The project is open-source and currently in early development, requiring specific build tools for installation.
Why it matters
This tool offers a practical solution for data storage optimization for users working with specific open-source audio codecs.
balrogg losslessly recompresses Ogg Vorbis and Opus files. Archives are typically 8-12% smaller than .ogg files and 3-8% smaller than .opus files.
Releases are not backwards or forwards compatible until v2.0 is reached.
balrogg is licensed under GNU GPL version 3. See COPYING . Report issues to Kamila Szewczyk k@iczelia.net . The project is hosted at https://github.com/iczelia/balrogg .
balrogg e music.ogg music.blr balrogg d music.blr music.ogg balrogg -b e * .ogg * .opus balrogg --progress -9 e music.ogg music.blr e compresses and d expands. balrogg detects the codec. With -b , every remaining path is processed using the available cores and memory. Encoding appends .blr ; decoding removes it. Larger inputs run first.
-p or --progress displays a progress bar on stderr for encoding and decoding, with each Vorbis tuning trial identified separately. Use --progress-lines for logs. Batch progress uses separate lines labeled with the input filename.
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