* Moved Program Specific Information decoder to the ts demux module

* Added a mpeg_ts_dvbpsi module tha uses libdvbpsi to decode PSIs. It is
  used by default if the lib is found. It shares much code with mpeg_ts

AUTHORS

@@ -46,6 +46,7 @@ E: jobi@via.ecp.fr
 C: jobi
 D: VCD input
 D: Satellite input
+D: libdvbpsi support
 S: France
 
 N: Julien Blache

Makefile

@@ -131,6 +131,7 @@ PLUGINS_TARGETS := a52/a52 \
 		mpeg_system/mpeg_es \
 		mpeg_system/mpeg_ps \
 		mpeg_system/mpeg_ts \
+		mpeg_system/mpeg_ts_dvbpsi \
 		mpeg_adec/mpeg_adec \
 		mpeg_vdec/mpeg_vdec \
 		network/ipv4 \

Makefile.opts.in

@@ -73,6 +73,7 @@ builtins_CFLAGS := @builtins_CFLAGS@
 arts_CFLAGS = @arts_CFLAGS@
 dvd_CFLAGS = @dvd_CFLAGS@
 dvdread_CFLAGS = @dvdread_CFLAGS@
+mpeg_ts_dvbpsi_CFLAGS = @mpeg_ts_dvbpsi_CFLAGS@
 directx_CFLAGS = @directx_CFLAGS@
 esd_CFLAGS = @esd_CFLAGS@
 ffmpeg_CFLAGS = @ffmpeg_CFLAGS@
@@ -107,6 +108,7 @@ directx_LDFLAGS = @directx_LDFLAGS@
 dsp_LDFLAGS = @dsp_LDFLAGS@
 dvd_LDFLAGS = @dvd_LDFLAGS@
 dvdread_LDFLAGS = @dvdread_LDFLAGS@
+mpeg_ts_dvbpsi_LDFLAGS = @mpeg_ts_dvbpsi_LDFLAGS@
 esd_LDFLAGS = @esd_LDFLAGS@
 filter_distort_LDFLAGS = @filter_distort_LDFLAGS@
 ffmpeg_LDFLAGS = @ffmpeg_LDFLAGS@

configure.in

@@ -680,6 +680,35 @@ then
   CPPFLAGS="$save_CPPFLAGS"
 fi
 
+dnl
+dnl  libdvbpsi ts demux
+dnl
+AC_ARG_ENABLE(dvbpsi,
+[  --enable-dvbpsi        dvbpsi ts demux module (default disabled)])
+if test "x$enable_dvdread" != "xno"
+then
+  if test "x$withval" = x
+  then
+    test_LDFLAGS=""
+    test_CFLAGS=""
+  else
+    test_LDFLAGS="-L${withval}/lib"
+    test_CFLAGS="-I${withval}/include"
+  fi
+  CPPFLAGS="$save_CPPFLAGS $test_CFLAGS"
+  AC_CHECK_HEADER([dvbpsi/dvbpsi.h],[
+    PLUGINS="${PLUGINS} mpeg_ts_dvbpsi"
+    mpeg_ts_dvbpsi_LDFLAGS="${mpeg_ts_dvbpsi_LDFLAGS} ${test_LDFLAGS} -ldvbpsi"
+    mpeg_ts_dvbpsi_CFLAGS="${mpeg_ts_dvbpsi_CFLAGS} ${test_CFLAGS}"
+    ],[
+    if test "x$enable_dvbpsi" != x
+    then
+      AC_MSG_ERROR([Could not find libdvbpsi on your system: you may get it from www.videolan.org])
+    fi
+  ])
+  CPPFLAGS="$save_CPPFLAGS"
+fi
+ 
 dnl
 dnl  VCD module
 dnl
@@ -1503,6 +1532,7 @@ AC_SUBST(builtins_CFLAGS)
 AC_SUBST(arts_CFLAGS)
 AC_SUBST(dvd_CFLAGS)
 AC_SUBST(dvdread_CFLAGS)
+AC_SUBST(mpeg_ts_dvbpsi_CFLAGS)
 AC_SUBST(directx_CFLAGS)
 AC_SUBST(esd_CFLAGS)
 AC_SUBST(ffmpeg_CFLAGS)
@@ -1534,6 +1564,7 @@ AC_SUBST(directx_LDFLAGS)
 AC_SUBST(dsp_LDFLAGS)
 AC_SUBST(dvd_LDFLAGS)
 AC_SUBST(dvdread_LDFLAGS)
+AC_SUBST(mpeg_ts_dvbpsi_LDFLAGS)
 AC_SUBST(esd_LDFLAGS)
 AC_SUBST(filter_distort_LDFLAGS)
 AC_SUBST(ffmpeg_LDFLAGS)

include/common.h

@@ -3,7 +3,7 @@
  * Collection of useful common types and macros definitions
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
- * $Id: common.h,v 1.97 2002/04/24 00:36:24 sam Exp $
+ * $Id: common.h,v 1.98 2002/04/25 02:10:33 jobi Exp $
  *
  * Authors: Samuel Hocevar <sam@via.ecp.fr>
  *          Vincent Seguin <seguin@via.ecp.fr>
@@ -562,6 +562,8 @@ typedef struct module_symbols_s
     int  ( * input_ChangeProgram )  ( struct input_thread_s *, u16 );
     struct es_descriptor_s * ( * input_FindES ) ( struct input_thread_s *,
                                                   u16 );
+    struct pgrm_descriptor_s * ( * input_FindProgram ) 
+                                    ( struct input_thread_s *, u16 );
     struct es_descriptor_s * ( * input_AddES ) ( struct input_thread_s *,
                                       struct pgrm_descriptor_s *, u16, size_t );
     void ( * input_DelES )          ( struct input_thread_s *,
@@ -607,11 +609,12 @@ typedef struct module_symbols_s
     ssize_t ( * input_ReadTS )      ( struct input_thread_s *,
                                       struct data_packet_s ** );
     void ( * input_DemuxTS )        ( struct input_thread_s *,
-                                      struct data_packet_s * );
-    void ( * input_DemuxPSI )       ( struct input_thread_s *,
                                       struct data_packet_s *,
-                                      struct es_descriptor_s *, 
-                                      boolean_t, boolean_t );
+                                      void(* pf_psi_callback) 
+                                           ( struct input_thread_s *,
+                                             struct data_packet_s  *,
+                                             struct es_descriptor_s *,
+                                             boolean_t ) );
     int ( * input_ClockManageControl )   ( struct input_thread_s *,
                                            struct pgrm_descriptor_s *,
                                            mtime_t );

include/input_ext-intf.h

@@ -4,7 +4,7 @@
  * control the pace of reading. 
  *****************************************************************************
  * Copyright (C) 1999, 2000 VideoLAN
- * $Id: input_ext-intf.h,v 1.65 2002/04/24 00:36:24 sam Exp $
+ * $Id: input_ext-intf.h,v 1.66 2002/04/25 02:10:33 jobi Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -234,8 +234,7 @@ typedef struct stream_descriptor_s
     es_descriptor_t *       p_newly_selected_es;   /* ES selected from
                                                     * the interface */
     es_descriptor_t *       p_removed_es;   /* ES removed from the interface */
-
-
+    
     /* Stream control */
     stream_ctrl_t           control;
 

include/input_ext-plugins.h

@@ -3,7 +3,7 @@
  *                      but exported to plug-ins
  *****************************************************************************
  * Copyright (C) 1999-2002 VideoLAN
- * $Id: input_ext-plugins.h,v 1.22 2002/04/24 00:36:24 sam Exp $
+ * $Id: input_ext-plugins.h,v 1.23 2002/04/25 02:10:33 jobi Exp $
  *
  * Authors: Christophe Massiot <massiot@via.ecp.fr>
  *
@@ -49,6 +49,7 @@ int input_SetProgram( struct input_thread_s *, struct pgrm_descriptor_s * );
 struct input_area_s * input_AddArea( struct input_thread_s * );
 void input_DelArea   ( struct input_thread_s *, struct input_area_s * );
 struct es_descriptor_s * input_FindES( struct input_thread_s *, u16 );
+struct pgrm_descriptor_s * input_FindProgram( struct input_thread_s *, u16 );
 struct es_descriptor_s * input_AddES ( struct input_thread_s *,
                                        struct pgrm_descriptor_s *, u16,
                                        size_t );
@@ -60,6 +61,7 @@ int  input_UnselectES( struct input_thread_s *, struct es_descriptor_s * );
 #   define input_EndStream p_symbols->input_EndStream
 #   define input_SetProgram p_symbols->input_SetProgram
 #   define input_FindES p_symbols->input_FindES
+#   define input_FindProgram p_symbols->input_FindProgram
 #   define input_AddES p_symbols->input_AddES
 #   define input_DelES p_symbols->input_DelES
 #   define input_SelectES p_symbols->input_SelectES
@@ -203,6 +205,19 @@ static __inline__ void input_NullPacket( input_thread_t * p_input,
 #define PSI_IS_PMT          0x01
 #define UNKNOWN_PSI         0xff
 
+/****************************************************************************
+ * psi_callback_t
+ ****************************************************************************
+ * Used by TS demux to handle a PSI, either with the builtin decoder, either
+ * with a library such as libdvbpsi
+ ****************************************************************************/
+typedef void( * psi_callback_t )( 
+        input_thread_t  * p_input,
+        data_packet_t   * p_data,
+        es_descriptor_t * p_es,
+        boolean_t         b_unit_start );
+
+
 /*****************************************************************************
  * psi_section_t
  *****************************************************************************
@@ -256,6 +271,8 @@ typedef struct pgrm_ts_data_s
 {
     u16                     i_pcr_pid;             /* PCR ES, for TS streams */
     int                     i_pmt_version;
+    /* libdvbpsi pmt decoder handle */
+    void *                  p_pmt_handle;
 } pgrm_ts_data_t;
 
 /*****************************************************************************
@@ -264,6 +281,8 @@ typedef struct pgrm_ts_data_s
 typedef struct stream_ts_data_s
 {
     int i_pat_version;          /* Current version of the PAT */
+    /* libdvbpsi pmt decoder handle */
+    void *                  p_pat_handle;
 } stream_ts_data_t;
 
 /*****************************************************************************
@@ -292,9 +311,8 @@ es_descriptor_t * input_ParsePS( struct input_thread_s *,
                                  struct data_packet_s * );
 ssize_t input_ReadTS ( struct input_thread_s *, struct data_packet_s ** );
 void input_DemuxPS   ( struct input_thread_s *, struct data_packet_s * );
-void input_DemuxTS   ( struct input_thread_s *, struct data_packet_s * );
-void input_DemuxPSI  ( struct input_thread_s *, struct data_packet_s *,
-                       struct es_descriptor_s *, boolean_t, boolean_t );
+void input_DemuxTS   ( struct input_thread_s *, struct data_packet_s *, 
+                       psi_callback_t );
 #else
 #   define input_ParsePES p_symbols->input_ParsePES
 #   define input_GatherPES p_symbols->input_GatherPES
@@ -303,7 +321,6 @@ void input_DemuxPSI  ( struct input_thread_s *, struct data_packet_s *,
 #   define input_DemuxPS p_symbols->input_DemuxPS
 #   define input_ReadTS p_symbols->input_ReadTS
 #   define input_DemuxTS p_symbols->input_DemuxTS
-#   define input_DemuxPSI p_symbols->input_DemuxPSI
 #endif
 
 

plugins/mpeg_system/Makefile

 mpeg_es_SOURCES = mpeg_es.c
 mpeg_ps_SOURCES = mpeg_ps.c
 mpeg_ts_SOURCES = mpeg_ts.c
+mpeg_ts_dvbpsi_SOURCES = mpeg_ts.c

plugins/mpeg_system/mpeg_ts.c

@@ -2,9 +2,10 @@
  * mpeg_ts.c : Transport Stream input module for vlc
  *****************************************************************************
  * Copyright (C) 2000-2001 VideoLAN
- * $Id: mpeg_ts.c,v 1.8 2002/04/19 13:56:11 sam Exp $
+ * $Id: mpeg_ts.c,v 1.9 2002/04/25 02:10:33 jobi Exp $
  *
  * Authors: Henri Fallon <henri@via.ecp.fr>
+ *          Johan Bilien <jobi@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
@@ -35,6 +36,12 @@
 #include "input_ext-dec.h"
 #include "input_ext-plugins.h"
 
+#if defined MODULE_NAME_IS_mpeg_ts_dvbpsi
+#include <dvbpsi/dvbpsi.h>
+#include <dvbpsi/descriptor.h>
+#include <dvbpsi/pat.h>
+#include <dvbpsi/pmt.h>
+#endif
 /*****************************************************************************
  * Constants
  *****************************************************************************/
@@ -48,6 +55,23 @@ static int  TSInit      ( struct input_thread_s * );
 static void TSEnd       ( struct input_thread_s * );
 static int  TSDemux     ( struct input_thread_s * );
 
+#if defined MODULE_NAME_IS_mpeg_ts
+static void TSDemuxPSI  ( struct input_thread_s *, struct data_packet_s *,
+                          struct es_descriptor_s *, boolean_t );
+static void TSDecodePAT( input_thread_t *, es_descriptor_t *);
+static void TSDecodePMT( input_thread_t *, es_descriptor_t *);
+#define PSI_CALLBACK TSDemuxPSI
+#elif defined MODULE_NAME_IS_mpeg_ts_dvbpsi
+static void TS_DVBPSI_DemuxPSI  
+                        ( struct input_thread_s *, struct data_packet_s *,
+                          struct es_descriptor_s *, boolean_t );
+static void TS_DVBPSI_HandlePAT
+                        ( struct input_thread_s *, dvbpsi_pat_t * );
+static void TS_DVBPSI_HandlePMT
+                        ( struct input_thread_s *, dvbpsi_pmt_t * );
+#define PSI_CALLBACK TS_DVBPSI_DemuxPSI
+#endif
+
 /*****************************************************************************
  * Build configuration tree.
  *****************************************************************************/
@@ -55,9 +79,15 @@ MODULE_CONFIG_START
 MODULE_CONFIG_STOP
 
 MODULE_INIT_START
+#if defined MODULE_NAME_IS_mpeg_ts
     SET_DESCRIPTION( _("ISO 13818-1 MPEG Transport Stream input") )
     ADD_CAPABILITY( DEMUX, 160 )
     ADD_SHORTCUT( "ts" )
+#elif defined MODULE_NAME_IS_mpeg_ts_dvbpsi
+    SET_DESCRIPTION( _("ISO 13818-1 MPEG Transport Stream input (libdvbpsi)") )
+    ADD_CAPABILITY( DEMUX, 170 )
+    ADD_SHORTCUT( "ts_dvbpsi" )
+#endif
 MODULE_INIT_STOP
 
 MODULE_ACTIVATE_START
@@ -126,14 +156,27 @@ static int TSInit( input_thread_t * p_input )
         p_input->i_bufsize = (p_input->i_mtu / TS_PACKET_SIZE) * TS_PACKET_SIZE;
     }
 
+    vlc_mutex_lock( &p_input->stream.stream_lock );
+
     if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
     {
         return( -1 );
     }
-
+    
     p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data;
     p_stream_data->i_pat_version = PAT_UNINITIALIZED ;
 
+#ifdef MODULE_NAME_IS_mpeg_ts_dvbpsi
+    p_stream_data->p_pat_handle = (dvbpsi_handle *)
+      dvbpsi_AttachPAT( (dvbpsi_pat_callback) &TS_DVBPSI_HandlePAT, p_input ); 
+
+    if( p_stream_data->p_pat_handle == NULL )
+    {
+        intf_ErrMsg( "input: ts: could not create PAT decoder" );
+        return( -1 );
+    }
+#endif
+    
     /* We'll have to catch the PAT in order to continue
      * Then the input will catch the PMT and then the others ES
      * The PAT es is indepedent of any program. */
@@ -145,6 +188,8 @@ static int TSInit( input_thread_t * p_input )
     p_demux_data->p_psi_section = malloc(sizeof(psi_section_t));
     p_demux_data->p_psi_section->b_is_complete = 1;
 
+    vlc_mutex_unlock( &p_input->stream.stream_lock );
+    
     return( 0 );
 }
 
@@ -180,9 +225,651 @@ static int TSDemux( input_thread_t * p_input )
             return( i_result );
         }
 
-        input_DemuxTS( p_input, p_data );
+        input_DemuxTS( p_input, p_data, (psi_callback_t) &PSI_CALLBACK );
     }
 
     return( i_read_once );
 }
 
+
+#if defined MODULE_NAME_IS_mpeg_ts
+/*
+ * PSI demultiplexing and decoding without libdvbpsi
+ */
+
+/*****************************************************************************
+ * DemuxPSI : makes up complete PSI data
+ *****************************************************************************/
+static void TSDemuxPSI( input_thread_t * p_input, data_packet_t * p_data, 
+        es_descriptor_t * p_es, boolean_t b_unit_start )
+{
+    es_ts_data_t  * p_demux_data;
+    
+    p_demux_data = (es_ts_data_t *)p_es->p_demux_data;
+
+#define p_psi (p_demux_data->p_psi_section)
+#define p (p_data->p_payload_start)
+
+    if( b_unit_start )
+    {
+        /* unit_start set to 1 -> presence of a pointer field
+         * (see ISO/IEC 13818 (2.4.4.2) which should be set to 0x00 */
+        if( (u8)p[0] != 0x00 )
+        {
+            intf_WarnMsg( 2, "input: non zero pointer field found, "
+                             "trying to continue" );
+            p+=(u8)p[0];
+        }
+        else
+        {
+            p++;
+        }
+
+        /* This is the begining of a new section */
+
+        if( ((u8)(p[1]) & 0xc0) != 0x80 ) 
+        {
+            intf_WarnMsg( 2, "input: invalid PSI packet" );
+            p_psi->b_trash = 1;
+        }
+        else 
+        {
+            p_psi->i_section_length = ((p[1] & 0xF) << 8) | p[2];
+            p_psi->b_section_complete = 0;
+            p_psi->i_read_in_section = 0;
+            p_psi->i_section_number = (u8)p[6];
+
+            if( p_psi->b_is_complete || p_psi->i_section_number == 0 )
+            {
+                /* This is a new PSI packet */
+                p_psi->b_is_complete = 0;
+                p_psi->b_trash = 0;
+                p_psi->i_version_number = ( p[5] >> 1 ) & 0x1f;
+                p_psi->i_last_section_number = (u8)p[7];
+
+                /* We'll write at the begining of the buffer */
+                p_psi->p_current = p_psi->buffer;
+            }
+            else
+            {
+                if( p_psi->b_section_complete )
+                {
+                    /* New Section of an already started PSI */
+                    p_psi->b_section_complete = 0;
+                    
+                    if( p_psi->i_version_number != (( p[5] >> 1 ) & 0x1f) )
+                    {
+                        intf_WarnMsg( 2, "input: PSI version differs "
+                                         "inside same PAT" );
+                        p_psi->b_trash = 1;
+                    }
+                    if( p_psi->i_section_number + 1 != (u8)p[6] )
+                    {
+                        intf_WarnMsg( 2, "input: PSI Section discontinuity, "
+                                         "packet lost ?" );
+                        p_psi->b_trash = 1;
+                    }
+                    else
+                        p_psi->i_section_number++;
+                }
+                else
+                {
+                    intf_WarnMsg( 2, "input: got unexpected new PSI section" );
+                    p_psi->b_trash = 1;
+                }
+            }
+        }
+    } /* b_unit_start */
+    
+    if( !p_psi->b_trash )
+    {
+        /* read */
+        if( (p_data->p_payload_end - p) >=
+            ( p_psi->i_section_length - p_psi->i_read_in_section ) )
+        {
+            /* The end of the section is in this TS packet */
+            memcpy( p_psi->p_current, p, 
+            (p_psi->i_section_length - p_psi->i_read_in_section) );
+    
+            p_psi->b_section_complete = 1;
+            p_psi->p_current += 
+                (p_psi->i_section_length - p_psi->i_read_in_section);
+                        
+            if( p_psi->i_section_number == p_psi->i_last_section_number )
+            {
+                /* This was the last section of PSI */
+                p_psi->b_is_complete = 1;
+
+                switch( p_demux_data->i_psi_type)
+                {
+                case PSI_IS_PAT:
+                    TSDecodePAT( p_input, p_es );
+                    break;
+                case PSI_IS_PMT:
+                    TSDecodePMT( p_input, p_es );
+                    break;
+                default:
+                    intf_WarnMsg(2, "Received unknown PSI in DemuxPSI");
+                }
+            }
+        }
+        else
+        {
+            memcpy( p_psi->buffer, p, p_data->p_payload_end - p );
+            p_psi->i_read_in_section += p_data->p_payload_end - p;
+
+            p_psi->p_current += p_data->p_payload_end - p;
+        }
+    }
+
+#undef p_psi    
+#undef p
+   
+    input_DeletePacket( p_input->p_method_data, p_data );
+    
+    return ;
+}
+
+/*****************************************************************************
+ * DecodePAT : Decodes Programm association table and deal with it
+ *****************************************************************************/
+static void TSDecodePAT( input_thread_t * p_input, es_descriptor_t * p_es )
+{
+    stream_ts_data_t  * p_stream_data;
+    es_ts_data_t      * p_demux_data;
+
+    pgrm_descriptor_t * p_pgrm;
+    es_descriptor_t   * p_current_es;
+    byte_t            * p_current_data;           
+
+    int                 i_section_length, i_program_id, i_pmt_pid;
+    int                 i_loop, i_current_section;
+
+    boolean_t           b_changed = 0;
+
+    p_demux_data = (es_ts_data_t *)p_es->p_demux_data;
+    p_stream_data = (stream_ts_data_t *)p_input->stream.p_demux_data;
+    
+#define p_psi (p_demux_data->p_psi_section)
+
+    /* Not so fast, Mike ! If the PAT version has changed, we first check
+     * that its content has really changed before doing anything */
+    if( p_stream_data->i_pat_version != p_psi->i_version_number )
+    {
+        int i_programs = p_input->stream.i_pgrm_number;
+
+        p_current_data = p_psi->buffer;
+
+        do
+        {
+            i_section_length = ((u32)(p_current_data[1] & 0xF) << 8) |
+                                 p_current_data[2];
+            i_current_section = (u8)p_current_data[6];
+    
+            for( i_loop = 0;
+                 ( i_loop < (i_section_length - 9) / 4 ) && !b_changed;
+                 i_loop++ )
+            {
+                i_program_id = ( (u32)*(p_current_data + i_loop * 4 + 8) << 8 )
+                                 | *(p_current_data + i_loop * 4 + 9);
+                i_pmt_pid = ( ((u32)*(p_current_data + i_loop * 4 + 10) & 0x1F)
+                                    << 8 )
+                               | *(p_current_data + i_loop * 4 + 11);
+
+                if( i_program_id )
+                {
+                    if( (p_pgrm = input_FindProgram( p_input, i_program_id ))
+                        && (p_current_es = input_FindES( p_input, i_pmt_pid ))
+                        && p_current_es->p_pgrm == p_pgrm
+                        && p_current_es->i_id == i_pmt_pid
+                        && ((es_ts_data_t *)p_current_es->p_demux_data)->b_psi
+                        && ((es_ts_data_t *)p_current_es->p_demux_data)
+                            ->i_psi_type == PSI_IS_PMT )
+                    {
+                        i_programs--;
+                    }
+                    else
+                    {
+                        b_changed = 1;
+                    }
+                }
+            }
+            
+            p_current_data += 3 + i_section_length;
+
+        } while( ( i_current_section < p_psi->i_last_section_number )
+                  && !b_changed );
+
+        /* If we didn't find the expected amount of programs, the PAT has
+         * changed. Otherwise, it only changed if b_changed is already != 0 */
+        b_changed = b_changed || i_programs;
+    }
+
+    if( b_changed )
+    {
+        /* PAT has changed. We are going to delete all programs and 
+         * create new ones. We chose not to only change what was needed
+         * as a PAT change may mean the stream is radically changing and
+         * this is a secure method to avoid crashes */
+        es_ts_data_t      * p_es_demux;
+        pgrm_ts_data_t    * p_pgrm_demux;
+        
+        p_current_data = p_psi->buffer;
+
+        /* Delete all programs */
+        while( p_input->stream.i_pgrm_number )
+        {
+            input_DelProgram( p_input, p_input->stream.pp_programs[0] );
+        }
+        
+        do
+        {
+            i_section_length = ((u32)(p_current_data[1] & 0xF) << 8) |
+                                 p_current_data[2];
+            i_current_section = (u8)p_current_data[6];
+    
+            for( i_loop = 0; i_loop < (i_section_length - 9) / 4 ; i_loop++ )
+            {
+                i_program_id = ( (u32)*(p_current_data + i_loop * 4 + 8) << 8 )
+                                 | *(p_current_data + i_loop * 4 + 9);
+                i_pmt_pid = ( ((u32)*(p_current_data + i_loop * 4 + 10) & 0x1F)
+                                    << 8 )
+                               | *(p_current_data + i_loop * 4 + 11);
+    
+                /* If program = 0, we're having info about NIT not PMT */
+                if( i_program_id )
+                {
+                    /* Add this program */
+                    p_pgrm = input_AddProgram( p_input, i_program_id, 
+                                               sizeof( pgrm_ts_data_t ) );
+                   
+                    /* whatis the PID of the PMT of this program */
+                    p_pgrm_demux = (pgrm_ts_data_t *)p_pgrm->p_demux_data;
+                    p_pgrm_demux->i_pmt_version = PMT_UNINITIALIZED;
+    
+                    /* Add the PMT ES to this program */
+                    p_current_es = input_AddES( p_input, p_pgrm,(u16)i_pmt_pid,
+                                        sizeof( es_ts_data_t) );
+                    p_es_demux = (es_ts_data_t *)p_current_es->p_demux_data;
+                    p_es_demux->b_psi = 1;
+                    p_es_demux->i_psi_type = PSI_IS_PMT;
+                    
+                    p_es_demux->p_psi_section = 
+                                            malloc( sizeof( psi_section_t ) );
+                    p_es_demux->p_psi_section->b_is_complete = 0;
+                }
+            }
+            
+            p_current_data += 3 + i_section_length;
+
+        } while( i_current_section < p_psi->i_last_section_number );
+
+        /* Go to the beginning of the next section */
+        p_stream_data->i_pat_version = p_psi->i_version_number;
+
+    }
+#undef p_psi
+
+}
+
+/*****************************************************************************
+ * DecodePMT : decode a given Program Stream Map
+ * ***************************************************************************
+ * When the PMT changes, it may mean a deep change in the stream, and it is
+ * careful to delete the ES and add them again. If the PMT doesn't change,
+ * there no need to do anything.
+ *****************************************************************************/
+static void TSDecodePMT( input_thread_t * p_input, es_descriptor_t * p_es )
+{