Add a recording mode for debugging purposes

src/Limelight-internal.h

@@ -70,6 +70,7 @@ void* extendBuffer(void* ptr, size_t newSize);
 
 void fixupMissingCallbacks(PDECODER_RENDERER_CALLBACKS* drCallbacks, PAUDIO_RENDERER_CALLBACKS* arCallbacks,
     PCONNECTION_LISTENER_CALLBACKS* clCallbacks);
+void setRecorderCallbacks(PDECODER_RENDERER_CALLBACKS drCallbacks, PAUDIO_RENDERER_CALLBACKS arCallbacks);
 
 char* getSdpPayloadForStreamConfig(int rtspClientVersion, int* length);