1 files changed, 59 insertions, 0 deletions
diff --git a/sys/dvb/camutils.h b/sys/dvb/camutils.h
new file mode 100644
index 000000000..c63ba947e
--- /dev/null
+++ b/sys/dvb/camutils.h
@@ -0,0 +1,59 @@
+/*
+ * camutils.h - GStreamer CAM (EN50221) support
+ * Copyright (C) 2007 Alessandro Decina
+ * 
+ * Authors:
+ *   Alessandro Decina <alessandro@nnva.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef CAM_UTILS_H
+#define CAM_UTILS_H
+
+#include <glib.h>
+#include <gst/gst.h>
+
+#define TPDU_HEADER_SIZE_INDICATOR 0x80
+
+#define CAM_FAILED(ret) (ret <= CAM_RETURN_ERROR)
+
+typedef enum
+{
+  /* generic */
+  CAM_RETURN_OK = 0,
+  CAM_RETURN_ERROR = -1,
+
+  /* transport specific */
+  CAM_RETURN_TRANSPORT_ERROR = -10,
+  CAM_RETURN_TRANSPORT_TOO_MANY_CONNECTIONS = -11,
+  CAM_RETURN_TRANSPORT_TIMEOUT = -12,
+  CAM_RETURN_TRANSPORT_POLL = -13,
+
+  /* session specific */
+  CAM_RETURN_SESSION_ERROR = -30,
+  CAM_RETURN_SESSION_TOO_MANY_SESSIONS = -31,
+
+  /* application specific */
+  CAM_RETURN_APPLICATION_ERROR = -40,
+} CamReturn;
+
+guint8 cam_calc_length_field_size (guint length);
+guint8 cam_write_length_field (guint8 *buff, guint length);
+guint8 cam_read_length_field (guint8 *buff, guint *length);
+guint8 *cam_build_ca_pmt (GObject *pmt, guint8 list_management, guint8 cmd_id, guint *size);
+
+#endif /* CAM_UTILS_H */