audio/cyanrip: Backport upstream commits

Backport following commits:
70c0a4c04d5ce74135719cf8afc1309b29679395
8cae5f548a606bfd723fbcfccabcd5da189063cb
462a71c75b4d326c0ce787cd13f7048e7f5da630
7f74e52f278fd9d8474b1afb5979b9ecd525285e

References:
https://github.com/cyanreg/cyanrip/commit/70c0a4c04d5ce74135719cf8afc1309b29679395
https://github.com/cyanreg/cyanrip/commit/8cae5f548a606bfd723fbcfccabcd5da189063cb
https://github.com/cyanreg/cyanrip/commit/462a71c75b4d326c0ce787cd13f7048e7f5da630
https://github.com/cyanreg/cyanrip/commit/7f74e52f278fd9d8474b1afb5979b9ecd525285e