- Update to version 0.21.9
* input
- buffer: fix deadlock bug
- smbclient: download to buffer instead of throttling transfer
- qobuz/tidal: scan tags when loading a playlist
- cdio_paranoia: fix build failure due to missing #include
- buffer: fix crash bug when playing remote WAV file
* output
- httpd: add missing mutex lock
- httpd: fix use-after-free bug
- pulse: work around error with unusual channel count
- osx: fix build failure
- shout: add support for TLS
- httpd: declare protocol "HTTP/1.1" instead of "ICY"
- alsa: fix crash bug
- alsa: fix stuttering at start of playback
- alsa: fix discarded samples at end of song
- alsa: clear error after reopening device
* playlist
- soundcloud: fix "Unsupported URI scheme" (0.21.6 regression)
- flac: fix use-after-free bug
* protocol
- allow loading playlists specified as absolute filesystem paths
- fix negated filter expressions with multiple tag values
- fix "list" with filter expression
- omit empty playlist names in "listplaylists"
- fix deadlock in "albumart" command
- fix "tagtypes disable" command
* decoder
- opus: fix replay gain when there are no other tags