/***************************************************************************** * pmt.h * (c)2001-2002 VideoLAN * $Id: pmt.h 103 2005-01-21 14:34:51Z massiot $ * * 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 <pmt.h> * \author Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr> * \brief Application interface for the PMT decoder and the PMT generator. * * Application interface for the PMT decoder and the PMT generator. New * decoded PMT tables are sent by callback to the application. If a table * wasn't active (b_current_next == 0) and the next is the same but active * (b_current_next == 1) then the two lists are empty and should be * caught from the previous structure. */#ifndef _DVBPSI_PMT_H_#define _DVBPSI_PMT_H_#ifdef __cplusplusextern "C" {#endif/***************************************************************************** * dvbpsi_pmt_es_t *****************************************************************************//*! * \struct dvbpsi_pmt_es_s * \brief PMT ES structure. * * This structure is used to store a decoded ES description. * (ISO/IEC 13818-1 section 2.4.4.8). *//*! * \typedef struct dvbpsi_pmt_es_s dvbpsi_pmt_es_t * \brief dvbpsi_pmt_es_t type definition. */typedef struct dvbpsi_pmt_es_s{  uint8_t                       i_type;                 /*!< stream_type */  uint16_t                      i_pid;                  /*!< elementary_PID */  dvbpsi_descriptor_t *         p_first_descriptor;     /*!< descriptor list */  struct dvbpsi_pmt_es_s *      p_next;                 /*!< next element of                                                             the list */} dvbpsi_pmt_es_t;/***************************************************************************** * dvbpsi_pmt_t *****************************************************************************//*! * \struct dvbpsi_pmt_s * \brief PMT structure. * * This structure is used to store a decoded PMT. * (ISO/IEC 13818-1 section 2.4.4.8). *//*! * \typedef struct dvbpsi_pmt_s dvbpsi_pmt_t * \brief dvbpsi_pmt_t type definition. */typedef struct dvbpsi_pmt_s{  uint16_t                  i_program_number;   /*!< program_number */  uint8_t                   i_version;          /*!< version_number */  int                       b_current_next;     /*!< current_next_indicator */  uint16_t                  i_pcr_pid;          /*!< PCR_PID */  dvbpsi_descriptor_t *     p_first_descriptor; /*!< descriptor list */  dvbpsi_pmt_es_t *         p_first_es;         /*!< ES list */} dvbpsi_pmt_t;/***************************************************************************** * dvbpsi_pmt_callback *****************************************************************************//*! * \typedef void (* dvbpsi_pmt_callback)(void* p_cb_data,                                         dvbpsi_pmt_t* p_new_pmt) * \brief Callback type definition. */typedef void (* dvbpsi_pmt_callback)(void* p_cb_data, dvbpsi_pmt_t* p_new_pmt);/***************************************************************************** * dvbpsi_AttachPMT *****************************************************************************//*! * \fn dvbpsi_handle dvbpsi_AttachPMT(uint16_t i_program_number,                                      dvbpsi_pmt_callback pf_callback,                                      void* p_cb_data) * \brief Creation and initialization of a PMT decoder. * \param i_program_number program number * \param pf_callback function to call back on new PMT * \param p_cb_data private data given in argument to the callback * \return a pointer to the decoder for future calls. */dvbpsi_handle dvbpsi_AttachPMT(uint16_t i_program_number,                               dvbpsi_pmt_callback pf_callback,                               void* p_cb_data);/***************************************************************************** * dvbpsi_DetachPMT *****************************************************************************//*! * \fn void dvbpsi_DetachPMT(dvbpsi_handle h_dvbpsi) * \brief Destroy a PMT decoder. * \param h_dvbpsi handle to the decoder * \return nothing. * * The handle isn't valid any more. */void dvbpsi_DetachPMT(dvbpsi_handle h_dvbpsi);/***************************************************************************** * dvbpsi_InitPMT/dvbpsi_NewPMT *****************************************************************************//*! * \fn void dvbpsi_InitPMT(dvbpsi_pmt_t* p_pmt, uint16_t i_program_number,                           uint8_t i_version, int b_current_next,                           uint16_t i_pcr_pid) * \brief Initialize a user-allocated dvbpsi_pmt_t structure. * \param p_pmt pointer to the PMT structure * \param i_program_number program number * \param i_version PMT version * \param b_current_next current next indicator * \param i_pcr_pid PCR_PID * \return nothing. */void dvbpsi_InitPMT(dvbpsi_pmt_t* p_pmt, uint16_t i_program_number,                    uint8_t i_version, int b_current_next, uint16_t i_pcr_pid);/*! * \def dvbpsi_NewPMT(p_pmt, i_program_number,                      i_version, b_current_next, i_pcr_pid) * \brief Allocate and initialize a new dvbpsi_pmt_t structure. Use ObjectRefDec to release delete it. * \param p_pmt pointer to the PMT structure * \param i_program_number program number * \param i_version PMT version * \param b_current_next current next indicator * \param i_pcr_pid PCR_PID * \return nothing. */#define dvbpsi_NewPMT(p_pmt, i_program_number,                          \                      i_version, b_current_next, i_pcr_pid)             \do {                                                                    \  ObjectRegisterTypeDestructor(dvbpsi_pmt_t, (ObjectDestructor_t)dvbpsi_EmptyPMT);          \  p_pmt = (dvbpsi_pmt_t*)ObjectCreateType(dvbpsi_pmt_t);                \  if(p_pmt != NULL)                                                     \    dvbpsi_InitPMT(p_pmt, i_program_number, i_version, b_current_next,  \                   i_pcr_pid);                                          \} while(0);/***************************************************************************** * dvbpsi_EmptyPMT *****************************************************************************//*! * \fn void dvbpsi_EmptyPMT(dvbpsi_pmt_t* p_pmt) * \brief Clean a dvbpsi_pmt_t structure. * \param p_pmt pointer to the PMT structure * \return nothing. */void dvbpsi_EmptyPMT(dvbpsi_pmt_t* p_pmt);/***************************************************************************** * dvbpsi_PMTAddDescriptor *****************************************************************************//*! * \fn dvbpsi_descriptor_t* dvbpsi_PMTAddDescriptor(dvbpsi_pmt_t* p_pmt,                                                    uint8_t i_tag,                                                    uint8_t i_length,                                                    uint8_t* p_data) * \brief Add a descriptor in the PMT. * \param p_pmt pointer to the PMT structure * \param i_tag descriptor's tag * \param i_length descriptor's length * \param p_data descriptor's data * \return a pointer to the added descriptor. */dvbpsi_descriptor_t* dvbpsi_PMTAddDescriptor(dvbpsi_pmt_t* p_pmt,                                             uint8_t i_tag, uint8_t i_length,                                             uint8_t* p_data);/***************************************************************************** * dvbpsi_PMTAddES *****************************************************************************//*! * \fn dvbpsi_pmt_es_t* dvbpsi_PMTAddES(dvbpsi_pmt_t* p_pmt,                                        uint8_t i_type, uint16_t i_pid) * \brief Add an ES in the PMT. * \param p_pmt pointer to the PMT structure * \param i_type type of ES * \param i_pid PID of the ES * \return a pointer to the added ES. */dvbpsi_pmt_es_t* dvbpsi_PMTAddES(dvbpsi_pmt_t* p_pmt,                                 uint8_t i_type, uint16_t i_pid);/***************************************************************************** * dvbpsi_PMTESAddDescriptor *****************************************************************************//*! * \fn dvbpsi_descriptor_t* dvbpsi_PMTESAddDescriptor(dvbpsi_pmt_es_t* p_es,                                                      uint8_t i_tag,                                                      uint8_t i_length,                                                      uint8_t* p_data) * \brief Add a descriptor in the PMT ES. * \param p_es pointer to the ES structure * \param i_tag descriptor's tag * \param i_length descriptor's length * \param p_data descriptor's data * \return a pointer to the added descriptor. */dvbpsi_descriptor_t* dvbpsi_PMTESAddDescriptor(dvbpsi_pmt_es_t* p_es,                                               uint8_t i_tag, uint8_t i_length,                                               uint8_t* p_data);/***************************************************************************** * dvbpsi_GenPMTSections *****************************************************************************//*! * \fn dvbpsi_psi_section_t* dvbpsi_GenPMTSections(dvbpsi_pmt_t* p_pmt) * \brief PMT generator * \param p_pmt PMT structure * \return a pointer to the list of generated PSI sections. * * Generate PMT sections based on the dvbpsi_pmt_t structure. */dvbpsi_psi_section_t* dvbpsi_GenPMTSections(dvbpsi_pmt_t* p_pmt);#ifdef __cplusplus};#endif#endif