mpv-player/mpv — pull request #927 by ghedo (2014-07-12 13:09:17+00:00)
Title: stream_dvdnav: actually use readahead cache

The dvdnav cache was enabled (with dvdnav_set_readahead_flag()) but not actually
used. Properly using the cache fixes dvd playback lag.

This fixes the problem described at https://github.com/mpv-player/mpv/issues/882#issuecomment-47515005