diff --git a/src/descrambler.h b/src/descrambler.h
index 4bfcd753..921f7e1e 100755
--- a/src/descrambler.h
+++ b/src/descrambler.h
@@ -20,6 +20,7 @@
 #define __TVH_DESCRAMBLER_H__
 
 #include <stdint.h>
+#include <stdlib.h>
 #include "queue.h"
 
 struct service;
@@ -89,6 +90,8 @@ void descrambler_service_stop  ( struct service *t );
 int  descrambler_descramble    ( struct service *t,
                                  struct elementary_stream *st,
                                  const uint8_t *tsb );
+void descrambler_ca_section    ( struct elementary_stream *st,
+                                 const uint8_t *data, size_t len );
 const char *descrambler_caid2name( uint16_t caid );
 uint16_t descrambler_name2caid ( const char *str );
 card_type_t detect_card_type   ( const uint16_t caid );
diff --git a/src/descrambler/descrambler.c b/src/descrambler/descrambler.c
index b6b65adf..24075a88 100755
--- a/src/descrambler/descrambler.c
+++ b/src/descrambler/descrambler.c
@@ -145,7 +145,7 @@ descrambler_service_stop ( service_t *t )
 
 int
 descrambler_descramble ( service_t *t,
-                         struct elementary_stream *st,
+                         elementary_stream_t *st,
                          const uint8_t *tsb )
 {
   th_descrambler_t *td;
@@ -167,6 +167,16 @@ descrambler_descramble ( service_t *t,
   return count == failed ? -1 : 0;
 }
 
+void
+descrambler_ca_section( elementary_stream_t *st,
+                        const uint8_t *data, size_t len )
+{
+  th_descrambler_t *td;
+
+  LIST_FOREACH(td, &st->es_service->s_descramblers, td_service_link)
+    td->td_table(td, st, data, len);
+}
+
 // TODO: might actually put const char* into caid_t
 const char *
 descrambler_caid2name(uint16_t caid)
diff --git a/src/input/mpegts/tsdemux.c b/src/input/mpegts/tsdemux.c
index f0dfa596..7f22ae2a 100644
--- a/src/input/mpegts/tsdemux.c
+++ b/src/input/mpegts/tsdemux.c
@@ -50,13 +50,9 @@ static void ts_remux(mpegts_service_t *t, const uint8_t *tsb);
 static void
 got_ca_section(const uint8_t *data, size_t len, void *opaque)
 {
-  th_descrambler_t *td;
   elementary_stream_t *st = opaque;
   assert(st->es_service->s_source_type == S_MPEG_TS);
-  mpegts_service_t *t = (mpegts_service_t*)st->es_service;
-
-  LIST_FOREACH(td, &t->s_descramblers, td_service_link)
-    td->td_table(td, st, data, len);
+  descrambler_ca_section(st, data, len);
 }
 
 /**