libdvbpsi 0.1.0

pmt.h

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00001 /*****************************************************************************
00002  * pmt.h
00003  * (c)2001-2002 VideoLAN
00004  * $Id: pmt.h 187 2009-11-18 07:26:10Z md $
00005  *
00006  * Authors: Arnaud de Bossoreille de Ribou <bozo@via.ecp.fr>
00007  *
00008  * This program is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU General Public License
00010  * as published by the Free Software Foundation; either version 2
00011  * of the License, or (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with this program; if not, write to the Free Software
00020  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00021  *
00022  *****************************************************************************/
00023 
00033 #ifndef _DVBPSI_PMT_H_
00034 #define _DVBPSI_PMT_H_
00035 
00036 #ifdef __cplusplus
00037 extern "C" {
00038 #endif
00039 
00040 
00041 /*****************************************************************************
00042  * dvbpsi_pmt_es_t
00043  *****************************************************************************/
00055 typedef struct dvbpsi_pmt_es_s
00056 {
00057   uint8_t                       i_type;                 
00058   uint16_t                      i_pid;                  
00060   dvbpsi_descriptor_t *         p_first_descriptor;     
00062   struct dvbpsi_pmt_es_s *      p_next;                 
00065 } dvbpsi_pmt_es_t;
00066 
00067 
00068 /*****************************************************************************
00069  * dvbpsi_pmt_t
00070  *****************************************************************************/
00082 typedef struct dvbpsi_pmt_s
00083 {
00084   uint16_t                  i_program_number;   
00085   uint8_t                   i_version;          
00086   int                       b_current_next;     
00088   uint16_t                  i_pcr_pid;          
00090   dvbpsi_descriptor_t *     p_first_descriptor; 
00092   dvbpsi_pmt_es_t *         p_first_es;         
00094 } dvbpsi_pmt_t;
00095 
00096 
00097 /*****************************************************************************
00098  * dvbpsi_pmt_callback
00099  *****************************************************************************/
00105 typedef void (* dvbpsi_pmt_callback)(void* p_cb_data, dvbpsi_pmt_t* p_new_pmt);
00106 
00107 
00108 /*****************************************************************************
00109  * dvbpsi_AttachPMT
00110  *****************************************************************************/
00121 dvbpsi_handle dvbpsi_AttachPMT(uint16_t i_program_number,
00122                                dvbpsi_pmt_callback pf_callback,
00123                                void* p_cb_data);
00124 
00125 
00126 /*****************************************************************************
00127  * dvbpsi_DetachPMT
00128  *****************************************************************************/
00137 void dvbpsi_DetachPMT(dvbpsi_handle h_dvbpsi);
00138 
00139 
00140 /*****************************************************************************
00141  * dvbpsi_InitPMT/dvbpsi_NewPMT
00142  *****************************************************************************/
00155 void dvbpsi_InitPMT(dvbpsi_pmt_t* p_pmt, uint16_t i_program_number,
00156                     uint8_t i_version, int b_current_next, uint16_t i_pcr_pid);
00157 
00169 #define dvbpsi_NewPMT(p_pmt, i_program_number,                          \
00170                       i_version, b_current_next, i_pcr_pid)             \
00171 do {                                                                    \
00172   p_pmt = (dvbpsi_pmt_t*)malloc(sizeof(dvbpsi_pmt_t));                  \
00173   if(p_pmt != NULL)                                                     \
00174     dvbpsi_InitPMT(p_pmt, i_program_number, i_version, b_current_next,  \
00175                    i_pcr_pid);                                          \
00176 } while(0);
00177 
00178 
00179 /*****************************************************************************
00180  * dvbpsi_EmptyPMT/dvbpsi_DeletePMT
00181  *****************************************************************************/
00188 void dvbpsi_EmptyPMT(dvbpsi_pmt_t* p_pmt);
00189 
00196 #define dvbpsi_DeletePMT(p_pmt)                                         \
00197 do {                                                                    \
00198   dvbpsi_EmptyPMT(p_pmt);                                               \
00199   free(p_pmt);                                                          \
00200 } while(0);
00201 
00202 
00203 /*****************************************************************************
00204  * dvbpsi_PMTAddDescriptor
00205  *****************************************************************************/
00218 dvbpsi_descriptor_t* dvbpsi_PMTAddDescriptor(dvbpsi_pmt_t* p_pmt,
00219                                              uint8_t i_tag, uint8_t i_length,
00220                                              uint8_t* p_data);
00221 
00222 
00223 /*****************************************************************************
00224  * dvbpsi_PMTAddES
00225  *****************************************************************************/
00235 dvbpsi_pmt_es_t* dvbpsi_PMTAddES(dvbpsi_pmt_t* p_pmt,
00236                                  uint8_t i_type, uint16_t i_pid);
00237 
00238 
00239 /*****************************************************************************
00240  * dvbpsi_PMTESAddDescriptor
00241  *****************************************************************************/
00254 dvbpsi_descriptor_t* dvbpsi_PMTESAddDescriptor(dvbpsi_pmt_es_t* p_es,
00255                                                uint8_t i_tag, uint8_t i_length,
00256                                                uint8_t* p_data);
00257 
00258 
00259 /*****************************************************************************
00260  * dvbpsi_GenPMTSections
00261  *****************************************************************************/
00270 dvbpsi_psi_section_t* dvbpsi_GenPMTSections(dvbpsi_pmt_t* p_pmt);
00271 
00272 
00273 #ifdef __cplusplus
00274 };
00275 #endif
00276 
00277 #else
00278 #error "Multiple inclusions of pmt.h"
00279 #endif
00280