diff --git a/framework/base/media/AVAFPacket.h b/framework/base/media/AVAFPacket.h
index 635daf918..62a98853c 100644
--- a/framework/base/media/AVAFPacket.h
+++ b/framework/base/media/AVAFPacket.h
@@ -34,6 +34,11 @@ class AVAFPacket : public IAFPacket {
         return mIsProtected;
     }
 
+    void setProtected() override
+    {
+        mIsProtected = true;
+    }
+
     std::unique_ptr<IAFPacket> clone() override;
 
     int64_t getSize() override;
diff --git a/framework/base/media/IAFPacket.h b/framework/base/media/IAFPacket.h
index 9ab951c96..4b020a00c 100644
--- a/framework/base/media/IAFPacket.h
+++ b/framework/base/media/IAFPacket.h
@@ -79,6 +79,7 @@ class CICADA_CPLUS_EXTERN IAFPacket {
     {
         return false;
     }
+    virtual void setProtected() = 0;
 
     packetInfo &getInfo();
 
diff --git a/framework/base/media/subTitlePacket.h b/framework/base/media/subTitlePacket.h
index 96b8ff165..1f1944610 100644
--- a/framework/base/media/subTitlePacket.h
+++ b/framework/base/media/subTitlePacket.h
@@ -20,6 +20,9 @@ class subTitlePacket : public IAFPacket {
 
     int64_t getSize() override;
 
+    void setProtected() override
+    {}
+
 private:
     uint8_t *mpBuffer{};
     int64_t mSize;