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/*****************************************************************************
* dr_02.h
* (c)2001-2002 VideoLAN
* $Id: dr_02.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_02.h>
* \author Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
* \brief Application interface for the MPEG 2 "video stream" descriptor
* decoder and generator.
*
* Application interface for the MPEG 2 "video stream" descriptor
* decoder and generator. This descriptor's definition can be found in
* ISO/IEC 13818-1 section 2.6.2.
*/
#ifndef _DVBPSI_DR_02_H_
#define _DVBPSI_DR_02_H_
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************
* dvbpsi_vstream_dr_t
*****************************************************************************/
/*!
* \struct dvbpsi_vstream_dr_s
* \brief "video stream" descriptor structure.
*
* This structure is used to store a decoded "video stream" descriptor.
* (ISO/IEC 13818-1 section 2.6.2).
*/
/*!
* \typedef struct dvbpsi_vstream_dr_s dvbpsi_vstream_dr_t
* \brief dvbpsi_vstream_dr_t type definition.
*/
typedef struct dvbpsi_vstream_dr_s
{
int b_multiple_frame_rate; /*!< multiple_frame_rate_flag */
uint8_t i_frame_rate_code; /*!< frame_rate_code */
int b_mpeg2; /*!< MPEG_2_flag */
int b_constrained_parameter; /*!< constrained_parameter_flag */
int b_still_picture; /*!< still_picture_flag */
/* used if b_mpeg2 is true */
uint8_t i_profile_level_indication; /*!< profile_and_level_indication */
uint8_t i_chroma_format; /*!< chroma_format */
int b_frame_rate_extension; /*!< frame_rate_extension_flag */
} dvbpsi_vstream_dr_t;
/*****************************************************************************
* dvbpsi_DecodeVStreamDr
*****************************************************************************/
/*!
* \fn dvbpsi_vstream_dr_t * dvbpsi_DecodeVStreamDr(
dvbpsi_descriptor_t * p_descriptor)
* \brief "video stream" descriptor decoder.
* \param p_descriptor pointer to the descriptor structure
* \return a pointer to a new "video stream" descriptor structure which
* contains the decoded data.
*/
dvbpsi_vstream_dr_t* dvbpsi_DecodeVStreamDr(dvbpsi_descriptor_t * p_descriptor);
/*****************************************************************************
* dvbpsi_GenVStreamDr
*****************************************************************************/
/*!
* \fn dvbpsi_descriptor_t * dvbpsi_GenVStreamDr(
dvbpsi_vstream_dr_t * p_decoded, int b_duplicate)
* \brief "video stream" descriptor generator.
* \param p_decoded pointer to a decoded "video stream" 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_GenVStreamDr(dvbpsi_vstream_dr_t * p_decoded,
int b_duplicate);
#ifdef __cplusplus
};
#endif
#endif
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