Backport of "wasapi: Various fixes and a workaround for a specific driver bug" into 1.16
Backport of !876 (merged) "wasapi: Various fixes and a workaround for a specific driver bug".
Commits:
- 6d27c0ac wasapisrc: Fix glitching and clock skew issues
- 5d9c060c wasapisrc: Clarify that nBlockAlign is actually bpf
- 6cbff552 wasapisrc: Fix capturing from some buggy audio drivers
- 08d5bdc7 wasapisrc: Try harder to avoid debug output in the hot loop
- d6471b02 wasapisrc: Correctly handle BUFFERFLAGS_SILENT