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+/*
+ en50221 encoder An implementation for libdvb
+ an implementation for the en50221 transport layer
+
+ Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ This program 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser 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 EN50221_STDCAM_H
+#define EN50221_STDCAM_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <libdvben50221/en50221_app_ai.h>
+#include <libdvben50221/en50221_app_ca.h>
+#include <libdvben50221/en50221_app_mmi.h>
+#include <libdvben50221/en50221_session.h>
+#include <libdvben50221/en50221_transport.h>
+
+enum en50221_stdcam_status {
+ EN50221_STDCAM_CAM_NONE,
+ EN50221_STDCAM_CAM_INRESET,
+ EN50221_STDCAM_CAM_OK,
+ EN50221_STDCAM_CAM_BAD,
+};
+
+struct en50221_stdcam {
+ /* one of more of the following may be NULL if a CAM does not support it */
+ struct en50221_app_ai *ai_resource;
+ struct en50221_app_ca *ca_resource;
+ struct en50221_app_mmi *mmi_resource;
+
+ /* if any of these are -1, no connection is in place to this resource yet */
+ int ai_session_number;
+ int ca_session_number;
+ int mmi_session_number;
+
+ /* poll the stdcam instance */
+ enum en50221_stdcam_status (*poll)(struct en50221_stdcam *stdcam);
+
+ /* inform the stdcam of the current DVB time */
+ void (*dvbtime)(struct en50221_stdcam *stdcam, time_t dvbtime);
+
+ /* destroy the stdcam instance */
+ void (*destroy)(struct en50221_stdcam *stdcam, int closefd);
+};
+
+/**
+ * Create an instance of the STDCAM for an LLCI interface.
+ *
+ * @param cafd FD of the CA device.
+ * @param slotnum Slotnum on that CA device.
+ * @param tl Transport layer instance to use.
+ * @param sl Session layer instance to use.
+ * @return en50221_stdcam instance, or NULL on error.
+ */
+extern struct en50221_stdcam *en50221_stdcam_llci_create(int cafd, int slotnum,
+ struct en50221_transport_layer *tl,
+ struct en50221_session_layer *sl);
+
+/**
+ * Create an instance of the STDCAM for an HLCI interface.
+ *
+ * @param cafd FD of the CA device.
+ * @param slotnum Slotnum on that CA device.
+ * @return en50221_stdcam instance, or NULL on error.
+ */
+extern struct en50221_stdcam *en50221_stdcam_hlci_create(int cafd, int slotnum);
+
+/**
+ * Convenience method to create a STDCAM interface for a ca device on a particular adapter.
+ *
+ * @param adapter The DVB adapter concerned.
+ * @param slotnum The ca slot number on that adapter.
+ * @param tl Transport layer instance to use (unused for HLCI cams).
+ * @param sl Session layer instance to use (unused for HLCI cams).
+ * @return en50221_stdcam instance, or NULL on error.
+ */
+extern struct en50221_stdcam *en50221_stdcam_create(int adapter, int slotnum,
+ struct en50221_transport_layer *tl,
+ struct en50221_session_layer *sl);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif