player: add "queue cat" command

This will dump the contents of the current queue, including
positional seeking information and commands.  This is mainly
intended for debugging and tools which rely on dtas internals.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/dtas/player.rb b/lib/dtas/player.rb
index a102618..a1e2040 100644
--- a/lib/dtas/player.rb
+++ b/lib/dtas/player.rb
@@ -251,6 +251,8 @@ class DTAS::Player # :nodoc:
       tl_handler(io, msg)
     when "trim"
       trim_handler(io, msg)
+    when "queue"
+      msg[0] == "cat" and io.emit(@queue.to_yaml)
     end
   end