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/*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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 (GstStructure *pmt, guint8 list_management, guint8 cmd_id, guint *size);
#endif /* CAM_UTILS_H */
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