/* Copyright (C) 2006 Adam Charrett This library 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 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA dr_83.h Decode Logical Channel Number Descriptor. */ /*! * \file dr_83.h * \author Adam Charrett * \brief Decode Logical Channel Number Descriptor. */ #ifndef _DR_83_H #define _DR_83_H #ifdef __cplusplus extern "C" { #endif /***************************************************************************** * dvbpsi_lcn_entry_t *****************************************************************************/ /*! * \struct dvbpsi_lcn_entry_s * \brief Logical Channel Number Entry * * This structure is used to store a decoded Logical Channel Number entry. */ /*! * \typedef struct dvbpsi_lcn_entry_s dvbpsi_lcn_entry_t * \brief dvbpsi_lcn_entry_t type definition. */ typedef struct dvbpsi_lcn_entry_s { uint16_t i_service_id; /*!< Service ID this logical channel number refers to */ int b_visible_service_flag; /*!< Whether this LCN should be visible to the user. */ uint16_t i_logical_channel_number; /*!< The logical channel number for this service. */ } dvbpsi_lcn_entry_t; /***************************************************************************** * dvbpsi_lcn_dr_s *****************************************************************************/ /*! * \struct dvbpsi_lcn_dr_s * \brief Logical Channel Number Descriptor * * This structure is used to store a decoded Logical Channel Number descriptor. */ /*! * \typedef struct dvbpsi_lcn_dr_s dvbpsi_lcn_dr_t * \brief dvbpsi_lcn_dr_t type definition. */ typedef struct dvbpsi_lcn_dr_s { uint8_t i_number_of_entries; /*!< Number of LCN entries present. */ dvbpsi_lcn_entry_t p_entries[64];/*!< Array of LCN entries. */ } dvbpsi_lcn_dr_t; /***************************************************************************** * dvbpsi_DecodeLCNDr *****************************************************************************/ /*! * \fn dvbpsi_lcn_dr_t dvbpsi_DecodeLCNDr(dvbpsi_descriptor_t *p_descriptor) * \brief Decode a Logical Channel Number descriptor (tag 0x83) * \param p_descriptor Raw descriptor to decode. * \return NULL if the descriptor could not be decoded or a pointer to a * dvbpsi_lcn_dr_t structure. */ dvbpsi_lcn_dr_t *dvbpsi_DecodeLCNDr(dvbpsi_descriptor_t *p_descriptor); /***************************************************************************** * dvbpsi_GenLCNDr *****************************************************************************/ /*! * \fn dvbpsi_descriptor_t *dvbpsi_GenLCNDr( dvbpsi_lcn_dr_t* p_decoded, bool b_duplicate) * \brief "logical_channel" descriptor generator. * \param p_decoded pointer to a decoded "logical_channel" descriptor * structure * \param b_duplicate if true then duplicate the p_decoded structure into * the descriptor * \return a pointer to a new descriptor structure which contains encoded data. */ dvbpsi_descriptor_t* dvbpsi_GenLCNDr(dvbpsi_lcn_dr_t* p_decoded, bool b_duplicate); #ifdef __cplusplus }; #endif #endif // _DR_83_H