diff --git a/etc/codecs.conf b/etc/codecs.conf
index 353e2b6cb2..7cb957176e 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -995,12 +995,46 @@ videocodec sp5x
 
 ; quicktime codecs:
 
+videocodec qt3ivx
+  info "win32/quicktime 3IV1 (3ivx) decoder"
+  status working
+  fourcc 3IV1
+  driver qtvideo
+  dll "3ivx Delta 3.5.qtx"
+  out YUY2
+
+videocodec qtvp3
+  info "win32/quicktime VP3 decoder"
+  status crashing
+  fourcc VP31
+  driver qtvideo
+  dll "On2_VP3.qtx"
+  out YUY2
+
+videocodec qtzygo
+  info "win32/quicktime ZyGo decoder"
+  status buggy
+  comment "wrong colors"
+  fourcc ZyGo,zygo,lsvx
+  driver qtvideo
+  dll "ZyGoVideo.qtx"
+  out BGR32,RGB32
+
+videocodec qtbhiv
+  info "win32/quicktime BeHereiVideo decoder"
+  comment "sample file wanted!"
+  status untested
+  fourcc bhiv
+  driver qtvideo
+  dll "BeHereiVideo.qtx"
+  out YUY2
+
 videocodec qtsvq3
   info "win32/quicktime SVQ3 decoder"
-  status untested
+  status working
   fourcc SVQ3
   driver qtvideo
-  dll "QuickTime.qts"
+  dll "QuickTimeEssentials.qtx"
   out YUY2
 
 videocodec qtsvq1