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bchunk - CD image format conversion from bin/cue to iso/cdr


bchunk [-v] [-p] [-r] [-w] [-s] <image.bin> <image.cue> <basename>


bchunk converts a CD image in a ".bin / .cue" format (sometimes ".raw / .cue") to a set of
.iso and .cdr tracks.

The bin/cue format is used by some non-Unix cd-writing software, but is not supported on
most other cd-writing programs.

image.bin is the raw cd image file. image.cue is the track index file containing track
types and offsets. basename is used for the beginning part of the created track files.

The produced .iso track contains an ISO file system, which can be mounted through a loop
device on Linux systems, or written on a CD-R using cdrecord. The .cdr tracks are in the
native CD audio format. They can be either written on a CD-R using cdrecord ‐audio, or
converted to WAV (or any other sound format for that matter) using sox.

The output type depends on the input type (data is just copied). If the input is in ISO
format, the output will be. On the other hand, if the input is raw audio data, the output
will be CDR or WAV (the latter if ‐w is given).

It is advisable to edit the .cue file to either MODE2/2352/2048 or MODE2/2352/2324
depending on whether an ISO filesystem or a VCD is desired, respectively. The format
itself does not contain this feature and in an ambiguous case it can only guess.


-v Makes binchunker print some more unnecessary messages, which should not be of
interest for anyone.

-w Makes binchunker write audio tracks in WAV format.

-s Makes binchunker swap byte order in the samples of audio tracks.

-p Makes binchunker go into PSX mode and truncate MODE2/2352 tracks to 2336 bytes
at offset 0 instead of normal 2048 bytes at offset 24. Use this option if input
is in PSX mode.

-r Makes binchunker output MODE2/2352 tracks in raw format, from offset 0 for 2352
bytes. Good for MPEG/VCD. Use this option if input is in raw format.

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