quartz.dll is the basic library of ActiveMovie/DirectShow.

TODO

  - avoid deadlock
  - merge some C sources
  - implement filters
  - restruct color-space converter
  - sort active filters in filter graph
  - sort regfilters in Merit order
  - fix deadlocks in Receive/EndOfStream
  - handle plug-in distributor
  - handle seeking
  - implement some interfaces as plug-ins(???)
  - implement ACM wrapper (improve xform)
  - implement mciqtz(mci driver for quartz)
  - implement renderer
  - handle notification correctly

known BUGS

  - all FIXMEs.
  - some filters crash at CoCreateInstance. (???)