- Try to not return items which a client can't play
- Remove inotify subscription to IN_MODIFY and IN_CREATE
- Fix crash on unknown codec type in transcode.c
- Probably added some new bugs...
Try to be a bit more strict about integer types, use off_t or int64_t for
file size and file offsets.
Replace safe_ato*() by safe_atoi32() and safe_atoi64(), fix integer types
at call sites to match.