/* * camutils.h - GStreamer CAM (EN50221) support * Copyright (C) 2007 Alessandro Decina * * Authors: * Alessandro Decina <alessandro.d@gmail.com> * * 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> #include <gst/mpegts/mpegts.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 (GstMpegtsPMT *pmt, guint8 list_management, guint8 cmd_id, guint *size); #endif /* CAM_UTILS_H */