core rewrite (decode,player,outputBuffer,playlist)

This is a huge refactoring of the core mpd process.  The
queueing/buffering mechanism is heavily reworked.

The player.c code has been merged into outputBuffer (the actual
ring buffering logic is handled by ringbuf.c); and decode.c
actually handles decoding stuff.

The end result is several hundreds of lines shorter, even though
we still have a lot of DEBUG statements left in there for
tracing and a lot of assertions, too.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/action_status.h b/src/action_status.h
new file mode 100644
index 000000000..d645435c3
--- /dev/null
+++ b/src/action_status.h
@@ -0,0 +1,16 @@
+#ifndef ACTION_STATUS_H
+#define ACTION_STATUS_H
+
+/* should probably be used in other places (decoder/input buffering), too */
+enum action_status {
+	/* all mutexes for conditions are unlocked and caller signaled */
+	AS_COMPLETE = 0,
+
+	/* mutexes are locked and caller has not been signaled, yet */
+	AS_INPROGRESS,
+
+	/* mutexes are unlocked and caller has not been signaled */
+	AS_DEFERRED
+};
+
+#endif /* !ACTION_STATUS_H */