This component decodes modules, or music files combining both samples and sequence data and effects, using libopenmpt. Its version number is usually derived from the associated libopenmpt version, with a plus sign and trailing number if I add any extra commits following a library update. It supports files in the following formats: .MPTM, .MOD, .S3M, .XM, .IT, .669, .AMF, .AMS, .C67, .DBM, .DIGI, .DMF, .DSM, .DTM, .FAR, .IMF, .ICE, .J2B, .M15, .MDL, .MED, .MMS, .MT2, .MTM, .NST, .OKT, .PLM, .PSM, .PT36, .PTM, .SFX, .SFX2, .ST26, .STK, .STM, .STP, .ULT, .WOW, and .GDM. It also supports Ian Luck's .MO3 compressed format with MP3, Ogg Vorbis, or ADPCM samples, and it also supports arbitrary archive formats with the extensions of .MDZ, .MDR, .S3Z, .S3R, .XMZ, .ITZ, or .MPTMZ, assuming foobar2000's Archive Support plugin is installed, or any other archive plugin.

https://gitlab.com/kode54/foo_openmpt/-/commits/main
https://lib.openmpt.org/doc/changelog.html

Note: The included "sinc" resampler is equivalent to the OpenMPT software's "sinc + lowpass", aka sinc plus anti-aliasing filter. The option to disable this filter is not currently exposed in the libOpenMPT API, and even if it were, it would be an implementation detail only relevant to the "sinc" resampling filter size.

• [Bug] Fixed various undefined behaviour found with ubsan.
• IMF: Change envelope interpretation to be more like in XM instead of IT and tighten header validation.
• MED: Some samples had a ping-pong loop when there should be no loop at all.
• MT2: Ignore incorrect drums chunk size in early MT2 files (fixes e.g. “A little Rock” by Csumi).
• MT2: Work around initial master volume of 0 used in some files that apply a fade-in a the song start using track automation that would stay silent forever otherwise (track automation is currently not supported).
• OKT: Apply portamento on every tick.
• mpg123: Update to v1.29.2 (2021-10-23).