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/*****************************************************************************
* dr_04.h
* (c)2001-2002 VideoLAN
* $Id: dr_04.h 88 2004-02-24 14:31:18Z sam $
*
* Authors: Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*****************************************************************************/
/*!
* \file <dr_04.h>
* \author Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
* \brief Application interface for the MPEG 2 "hierarchy" descriptor
* decoder and generator.
*
* Application interface for the MPEG 2 "hierarchy" descriptor
* decoder and generator. This descriptor's definition can be found in
* ISO/IEC 13818-1 section 2.6.6.
*/
#ifndef _DVBPSI_DR_04_H_
#define _DVBPSI_DR_04_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_hierarchy_dr_t
*****************************************************************************/
/*!
* \struct dvbpsi_hierarchy_dr_s
* \brief "hierarchy" descriptor structure.
*
* This structure is used to store a decoded "hierarchy" descriptor.
* (ISO/IEC 13818-1 section 2.6.6).
*/
/*!
* \typedef struct dvbpsi_hierarchy_dr_s dvbpsi_hierarchy_dr_t
* \brief dvbpsi_hierarchy_dr_t type definition.
*/
typedef struct dvbpsi_hierarchy_dr_s
{
uint8_t i_h_type; /*!< hierarchy_type */
uint8_t i_h_layer_index; /*!< hierarchy_layer_index */
uint8_t i_h_embedded_layer; /*!< hierarchy_embedded_layer */
uint8_t i_h_priority; /*!< hierarchy_priority */
} dvbpsi_hierarchy_dr_t;
/*****************************************************************************
* dvbpsi_DecodeHierarchyDr
*****************************************************************************/
/*!
* \fn dvbpsi_hierarchy_dr_t * dvbpsi_DecodeHierarchyDr(
dvbpsi_descriptor_t * p_descriptor)
* \brief "hierarchy" descriptor decoder.
* \param p_descriptor pointer to the descriptor structure
* \return a pointer to a new "hierarchy" descriptor structure which
* contains the decoded data.
*/
dvbpsi_hierarchy_dr_t* dvbpsi_DecodeHierarchyDr(
dvbpsi_descriptor_t * p_descriptor);
/*****************************************************************************
* dvbpsi_GenHierarchyDr
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t * dvbpsi_GenHierarchyDr(
dvbpsi_hierarchy_dr_t * p_decoded, int b_duplicate)
* \brief "hierarchy" descriptor generator.
* \param p_decoded pointer to a decoded "hierarchy" descriptor structure
* \param b_duplicate if non zero 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_GenHierarchyDr(dvbpsi_hierarchy_dr_t * p_decoded,
int b_duplicate);
#ifdef __cplusplus
};
#endif
#endif
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