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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/*
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* camutils.h - GStreamer CAM (EN50221) support
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* Copyright (C) 2007 Alessandro Decina
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*
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* Authors:
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* Alessandro Decina <alessandro@nnva.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef CAM_UTILS_H
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#define CAM_UTILS_H
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/mpegts/mpegts.h>
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#define TPDU_HEADER_SIZE_INDICATOR 0x80
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#define CAM_FAILED(ret) (ret <= CAM_RETURN_ERROR)
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typedef enum
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{
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/* generic */
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CAM_RETURN_OK = 0,
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CAM_RETURN_ERROR = -1,
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/* transport specific */
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CAM_RETURN_TRANSPORT_ERROR = -10,
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CAM_RETURN_TRANSPORT_TOO_MANY_CONNECTIONS = -11,
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CAM_RETURN_TRANSPORT_TIMEOUT = -12,
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CAM_RETURN_TRANSPORT_POLL = -13,
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/* session specific */
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CAM_RETURN_SESSION_ERROR = -30,
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CAM_RETURN_SESSION_TOO_MANY_SESSIONS = -31,
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/* application specific */
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CAM_RETURN_APPLICATION_ERROR = -40,
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} CamReturn;
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guint8 cam_calc_length_field_size (guint length);
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guint8 cam_write_length_field (guint8 *buff, guint length);
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guint8 cam_read_length_field (guint8 *buff, guint *length);
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guint8 *cam_build_ca_pmt (GstMpegtsPMT *pmt, guint8 list_management, guint8 cmd_id, guint *size);
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#endif /* CAM_UTILS_H */
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