+
+#ifdef ENABLE_MHW_EPG
+void eEPGCache::channel_data::cleanup()
+{
+ m_channels.clear();
+ m_themes.clear();
+ m_titles.clear();
+ m_program_ids.clear();
+}
+
+__u8 *eEPGCache::channel_data::delimitName( __u8 *in, __u8 *out, int len_in )
+{
+ // Names in mhw structs are not strings as they are not '\0' terminated.
+ // This function converts the mhw name into a string.
+ // Constraint: "length of out" = "length of in" + 1.
+ int i;
+ for ( i=0; i < len_in; i++ )
+ out[i] = in[i];
+
+ i = len_in - 1;
+ while ( ( i >=0 ) && ( out[i] == 0x20 ) )
+ i--;
+
+ out[i+1] = 0;
+ return out;
+}
+
+void eEPGCache::channel_data::timeMHW2DVB( u_char hours, u_char minutes, u_char *return_time)
+// For time of day
+{
+ return_time[0] = toBCD( hours );
+ return_time[1] = toBCD( minutes );
+ return_time[2] = 0;
+}
+
+void eEPGCache::channel_data::timeMHW2DVB( int minutes, u_char *return_time)
+{
+ timeMHW2DVB( int(minutes/60), minutes%60, return_time );
+}
+
+void eEPGCache::channel_data::timeMHW2DVB( u_char day, u_char hours, u_char minutes, u_char *return_time)
+// For date plus time of day
+{
+ // Remove offset in mhw time.
+ __u8 local_hours = hours;
+ if ( hours >= 16 )
+ local_hours -= 4;
+ else if ( hours >= 8 )
+ local_hours -= 2;
+
+ // As far as we know all mhw time data is sent in central Europe time zone.
+ // So, temporarily set timezone to western europe
+ time_t dt = eDVBLocalTimeHandler::getInstance()->nowTime();
+
+ char *old_tz = getenv( "TZ" );
+ putenv("TZ=CET-1CEST,M3.5.0/2,M10.5.0/3");
+ tzset();
+
+ tm *localnow = localtime( &dt );
+
+ if (day == 7)
+ day = 0;
+ if ( day + 1 < localnow->tm_wday ) // day + 1 to prevent old events to show for next week.
+ day += 7;
+ if (local_hours <= 5)
+ day++;
+
+ dt += 3600*24*(day - localnow->tm_wday); // Shift dt to the recording date (local time zone).
+ dt += 3600*(local_hours - localnow->tm_hour); // Shift dt to the recording hour.
+
+ tm *recdate = gmtime( &dt ); // This will also take care of DST.
+
+ if ( old_tz == NULL )
+ unsetenv( "TZ" );
+ else
+ putenv( old_tz );
+ tzset();
+
+ // Calculate MJD according to annex in ETSI EN 300 468
+ int l=0;
+ if ( recdate->tm_mon <= 1 ) // Jan or Feb
+ l=1;
+ int mjd = 14956 + recdate->tm_mday + int( (recdate->tm_year - l) * 365.25) +
+ int( (recdate->tm_mon + 2 + l * 12) * 30.6001);
+
+ return_time[0] = (mjd & 0xFF00)>>8;
+ return_time[1] = mjd & 0xFF;
+
+ timeMHW2DVB( recdate->tm_hour, minutes, return_time+2 );
+}
+
+void eEPGCache::channel_data::storeTitle(std::map<__u32, mhw_title_t>::iterator itTitle, std::string sumText, const __u8 *data)
+// data is borrowed from calling proc to save memory space.
+{
+ // For each title a separate EIT packet will be sent to eEPGCache::sectionRead()
+ __u8 name[24];
+
+ eit_t *packet = (eit_t *) data;
+ packet->table_id = 0x50;
+ packet->section_syntax_indicator = 1;
+ packet->service_id_hi = m_channels[ itTitle->second.channel_id - 1 ].channel_id_hi;
+ packet->service_id_lo = m_channels[ itTitle->second.channel_id - 1 ].channel_id_lo;
+ packet->version_number = 0; // eEPGCache::sectionRead() will dig this for the moment
+ packet->current_next_indicator = 0;
+ packet->section_number = 0; // eEPGCache::sectionRead() will dig this for the moment
+ packet->last_section_number = 0; // eEPGCache::sectionRead() will dig this for the moment
+ packet->transport_stream_id_hi = m_channels[ itTitle->second.channel_id - 1 ].transport_stream_id_hi;
+ packet->transport_stream_id_lo = m_channels[ itTitle->second.channel_id - 1 ].transport_stream_id_lo;
+ packet->original_network_id_hi = m_channels[ itTitle->second.channel_id - 1 ].network_id_hi;
+ packet->original_network_id_lo = m_channels[ itTitle->second.channel_id - 1 ].network_id_lo;
+ packet->segment_last_section_number = 0; // eEPGCache::sectionRead() will dig this for the moment
+ packet->segment_last_table_id = 0x50;
+
+ std::string prog_title = (char *) delimitName( itTitle->second.title, name, 23 );
+ int prog_title_length = prog_title.length();
+
+ int packet_length = EIT_SIZE + EIT_LOOP_SIZE + EIT_SHORT_EVENT_DESCRIPTOR_SIZE +
+ prog_title_length + 1;
+
+ eit_event_t *event_data = (eit_event_t *) (data + EIT_SIZE);
+ event_data->event_id_hi = (( itTitle->first ) >> 8 ) & 0xFF;
+ event_data->event_id_lo = ( itTitle->first ) & 0xFF;
+
+ timeMHW2DVB( itTitle->second.day, itTitle->second.hours, itTitle->second.minutes,
+ (u_char *) event_data + 2 );
+ timeMHW2DVB( HILO(itTitle->second.duration), (u_char *) event_data+7 );
+
+ event_data->running_status = 0;
+ event_data->free_CA_mode = 0;
+ int descr_ll = EIT_SHORT_EVENT_DESCRIPTOR_SIZE + 1 + prog_title_length;
+
+ eit_short_event_descriptor_struct *short_event_descriptor =
+ (eit_short_event_descriptor_struct *) ( (u_char *) event_data + EIT_LOOP_SIZE);
+ short_event_descriptor->descriptor_tag = EIT_SHORT_EVENT_DESCRIPTOR;
+ short_event_descriptor->descriptor_length = EIT_SHORT_EVENT_DESCRIPTOR_SIZE +
+ prog_title_length - 1;
+ short_event_descriptor->language_code_1 = 'e';
+ short_event_descriptor->language_code_2 = 'n';
+ short_event_descriptor->language_code_3 = 'g';
+ short_event_descriptor->event_name_length = prog_title_length;
+ delimitName( itTitle->second.title, name, 23 );
+ u_char *event_name = (u_char *) short_event_descriptor + EIT_SHORT_EVENT_DESCRIPTOR_SIZE;
+ memcpy(event_name, name, prog_title_length);
+
+ // Set text length
+ event_name[prog_title_length] = 0;
+
+ if ( sumText.length() > 0 )
+ // There is summary info
+ {
+ unsigned int sum_length = sumText.length();
+ if ( sum_length + short_event_descriptor->descriptor_length <= 0xff )
+ // Store summary in short event descriptor
+ {
+ // Increase all relevant lengths
+ event_name[prog_title_length] = sum_length;
+ short_event_descriptor->descriptor_length += sum_length;
+ packet_length += sum_length;
+ descr_ll += sum_length;
+ sumText.copy( (char *) event_name+prog_title_length+1, sum_length );
+ }
+ else
+ // Store summary in extended event descriptors
+ {
+ int remaining_sum_length = sumText.length();
+ int nbr_descr = int(remaining_sum_length/247) + 1;
+ for ( int i=0; i < nbr_descr; i++)
+ // Loop once per extended event descriptor
+ {
+ eit_extended_descriptor_struct *ext_event_descriptor = (eit_extended_descriptor_struct *) (data + packet_length);
+ sum_length = remaining_sum_length > 247 ? 247 : remaining_sum_length;
+ remaining_sum_length -= sum_length;
+ packet_length += 8 + sum_length;
+ descr_ll += 8 + sum_length;
+
+ ext_event_descriptor->descriptor_tag = EIT_EXTENDED_EVENT_DESCRIPOR;
+ ext_event_descriptor->descriptor_length = sum_length + 6;
+ ext_event_descriptor->descriptor_number = i;
+ ext_event_descriptor->last_descriptor_number = nbr_descr - 1;
+ ext_event_descriptor->iso_639_2_language_code_1 = 'e';
+ ext_event_descriptor->iso_639_2_language_code_2 = 'n';
+ ext_event_descriptor->iso_639_2_language_code_3 = 'g';
+ u_char *the_text = (u_char *) ext_event_descriptor + 8;
+ the_text[-2] = 0;
+ the_text[-1] = sum_length;
+ sumText.copy( (char *) the_text, sum_length, sumText.length() - sum_length - remaining_sum_length );
+ }
+ }
+ }
+ // Add content descriptor
+ u_char *descriptor = (u_char *) data + packet_length;
+ packet_length += 4;
+ descr_ll += 4;
+
+ int content_id = 0;
+ std::string content_descr = (char *) delimitName( m_themes[itTitle->second.theme_id].name, name, 15 );
+ if ( content_descr.find( "FILM" ) != std::string::npos )
+ content_id = 0x10;
+ else if ( content_descr.find( "SPORT" ) != std::string::npos )
+ content_id = 0x40;
+
+ descriptor[0] = 0x54;
+ descriptor[1] = 2;
+ descriptor[2] = content_id;
+ descriptor[3] = 0;
+
+ event_data->descriptors_loop_length_hi = (descr_ll & 0xf00)>>8;
+ event_data->descriptors_loop_length_lo = (descr_ll & 0xff);
+
+ packet->section_length_hi = ((packet_length - 3)&0xf00)>>8;
+ packet->section_length_lo = (packet_length - 3)&0xff;
+
+ // Feed the data to eEPGCache::sectionRead()
+ cache->sectionRead( data, MHW, this );
+}
+
+void eEPGCache::channel_data::startTimeout(int msec)
+{
+ m_MHWTimeoutTimer.start(msec,true);
+ m_MHWTimeoutet=false;
+}
+
+void eEPGCache::channel_data::startMHWReader(__u16 pid, __u8 tid)
+{
+ m_MHWFilterMask.pid = pid;
+ m_MHWFilterMask.data[0] = tid;
+ m_MHWReader->start(m_MHWFilterMask);
+// eDebug("start 0x%02x 0x%02x", pid, tid);
+}
+
+void eEPGCache::channel_data::readMHWData(const __u8 *data)
+{
+ if ( state > 1 || // aborted
+ // have si data.. so we dont read mhw data
+ (haveData & (SCHEDULE|SCHEDULE_OTHER)) )
+ {
+ eDebug("[EPGC] mhw aborted %d", state);
+ }
+ else if (m_MHWFilterMask.pid == 0xD3 && m_MHWFilterMask.data[0] == 0x91)
+ // Channels table
+ {
+ int len = ((data[1]&0xf)<<8) + data[2] - 1;
+ int record_size = sizeof( mhw_channel_name_t );
+ int nbr_records = int (len/record_size);
+
+ for ( int i = 0; i < nbr_records; i++ )
+ {
+ mhw_channel_name_t *channel = (mhw_channel_name_t*) &data[4 + i*record_size];
+ m_channels.push_back( *channel );
+ }
+ haveData |= MHW;
+
+ eDebug("channels finished %d found", m_channels.size());
+
+ // Channels table has been read, start reading the themes table.
+ startMHWReader(0xD3, 0x92);
+ return;
+ }
+ else if (m_MHWFilterMask.pid == 0xD3 && m_MHWFilterMask.data[0] == 0x92)
+ // Themes table
+ {
+ int len = ((data[1]&0xf)<<8) + data[2] - 16;
+ int record_size = sizeof( mhw_theme_name_t );
+ int nbr_records = int (len/record_size);
+ int idx_ptr = 0;
+ __u8 next_idx = (__u8) *(data + 3 + idx_ptr);
+ __u8 idx = 0;
+ __u8 sub_idx = 0;
+ for ( int i = 0; i < nbr_records; i++ )
+ {
+ mhw_theme_name_t *theme = (mhw_theme_name_t*) &data[19 + i*record_size];
+ if ( i >= next_idx )
+ {
+ idx = (idx_ptr<<4);
+ idx_ptr++;
+ next_idx = (__u8) *(data + 3 + idx_ptr);
+ sub_idx = 0;
+ }
+ else
+ sub_idx++;
+
+ m_themes[idx+sub_idx] = *theme;
+ }
+ eDebug("themes finished %d found", m_themes.size());
+ // Themes table has been read, start reading the titles table.
+ startMHWReader(0xD2, 0x90);
+ startTimeout(4000);
+ return;
+ }
+ else if (m_MHWFilterMask.pid == 0xD2 && m_MHWFilterMask.data[0] == 0x90)
+ // Titles table
+ {
+ mhw_title_t *title = (mhw_title_t*) data;
+
+ if ( title->channel_id == 0xFF ) // Separator
+ return; // Continue reading of the current table.
+ else
+ {
+ // Create unique key per title
+ __u32 title_id = ((title->channel_id)<<16)|((title->day)<<13)|((title->hours)<<8)|
+ (title->minutes);
+ __u32 program_id = ((title->program_id_hi)<<24)|((title->program_id_mh)<<16)|
+ ((title->program_id_ml)<<8)|(title->program_id_lo);
+
+ if ( m_titles.find( title_id ) == m_titles.end() )
+ {
+ startTimeout(4000);
+ m_titles[ title_id ] = *title;
+ if ( (title->summary_available) && (m_program_ids.find(program_id) == m_program_ids.end()) )
+ // program_ids will be used to gather summaries.
+ m_program_ids[ program_id ] = title_id;
+ return; // Continue reading of the current table.
+ }
+ else if (!checkTimeout())
+ return;
+ }
+ if ( !m_program_ids.empty())
+ {
+ // Titles table has been read, there are summaries to read.
+ // Start reading summaries, store corresponding titles on the fly.
+ startMHWReader(0xD3, 0x90);
+ eDebug("titles finished %d titles, %d with summary",
+ m_titles.size(),
+ m_program_ids.size());
+ startTimeout(4000);
+ return;
+ }
+ }
+ else if (m_MHWFilterMask.pid == 0xD3 && m_MHWFilterMask.data[0] == 0x90)
+ // Summaries table
+ {
+ mhw_summary_t *summary = (mhw_summary_t*) data;
+
+ // Create unique key per record
+ __u32 program_id = ((summary->program_id_hi)<<24)|((summary->program_id_mh)<<16)|
+ ((summary->program_id_ml)<<8)|(summary->program_id_lo);
+ int len = ((data[1]&0xf)<<8) + data[2];
+
+ // ugly workaround to convert const __u8* to char*
+ char *tmp=0;
+ memcpy(&tmp, &data, sizeof(void*));
+ tmp[len+3] = 0; // Terminate as a string.
+
+ std::map<__u32, __u32>::iterator itProgid( m_program_ids.find( program_id ) );
+ if ( itProgid == m_program_ids.end() )
+ { /* This part is to prevent to looping forever if some summaries are not received yet.
+ There is a timeout of 4 sec. after the last successfully read summary. */
+ if (!m_program_ids.empty() && !checkTimeout())
+ return; // Continue reading of the current table.
+ }
+ else
+ {
+ std::string the_text = (char *) (data + 11 + summary->nb_replays * 7);
+
+ unsigned int pos=0;
+ while((pos = the_text.find("\r\n")) != std::string::npos)
+ the_text.replace(pos, 2, " ");
+
+ // Find corresponding title, store title and summary in epgcache.
+ std::map<__u32, mhw_title_t>::iterator itTitle( m_titles.find( itProgid->second ) );
+ if ( itTitle != m_titles.end() )
+ {
+ startTimeout(4000);
+ storeTitle( itTitle, the_text, data );
+ m_titles.erase( itTitle );
+ }
+ m_program_ids.erase( itProgid );
+ if ( !m_program_ids.empty() )
+ return; // Continue reading of the current table.
+ }
+ }
+ // Summaries have been read, titles that have summaries have been stored.
+ // Now store titles that do not have summaries.
+ for (std::map<__u32, mhw_title_t>::iterator itTitle(m_titles.begin()); itTitle != m_titles.end(); itTitle++)
+ storeTitle( itTitle, "", data );
+ eDebug("[EPGC] mhw finished(%ld) %d summaries left",
+ eDVBLocalTimeHandler::getInstance()->nowTime(),
+ m_program_ids.size());
+ isRunning &= ~MHW;
+ m_MHWConn=0;
+ if ( m_MHWReader )
+ m_MHWReader->stop();
+ if (haveData)
+ finishEPG();
+}
+
+#endif
git.cweiske.de / enigma2.git / commitdiff