//ストリーム内の現在の時間情報を取得する
//引数：
// time [OUT]ストリーム内の現在の時間
BOOL CDecodeUtil::GetNowTime(
SYSTEMTIME* time
)
{
if( this->totInfo != NULL ){
*time = this->totInfo->jst_time;
return TRUE;
}else if( this->tdtInfo != NULL ){
*time = this->tdtInfo->jst_time;
return TRUE;
}else{
if( this->sitInfo != NULL ){
for( size_t i=0; i<this->sitInfo->descriptorList.size(); i++ ){
if( this->sitInfo->descriptorList[i]->GetNumber(AribDescriptor::descriptor_tag) == AribDescriptor::partialTS_time_descriptor ){
if( this->sitInfo->descriptorList[i]->GetNumber(AribDescriptor::jst_time_flag) == 1 ){
DWORD timeBytesSize;
const BYTE* timeBytes = this->sitInfo->descriptorList[i]->GetBinary(AribDescriptor::jst_time, &timeBytesSize);
if( timeBytes != NULL && timeBytesSize >= 5 ){
DWORD mjd = timeBytes[0] << 8 | timeBytes[1];
_MJDtoSYSTEMTIME(mjd, time);
BYTE b = timeBytes[2];
time->wHour = (WORD)_BCDtoDWORD(&b, 1, 2);
b = timeBytes[3];
time->wMinute = (WORD)_BCDtoDWORD(&b, 1, 2);
b = timeBytes[4];
time->wSecond = (WORD)_BCDtoDWORD(&b, 1, 2);
return TRUE;
}
}
}
}
}
return FALSE;
}
}
BOOL CTDTTable::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( data == NULL ){
return FALSE;
}
//////////////////////////////////////////////////////
//サイズのチェック
//最低限table_idとsection_length+CRCのサイズは必須
if( dataSize < 7 ){
return FALSE;
}
//->サイズのチェック
DWORD readSize = 0;
//////////////////////////////////////////////////////
//解析処理
table_id = data[0];
section_syntax_indicator = (data[1]&0x80)>>7;
section_length = ((WORD)data[1]&0x0F)<<8 | data[2];
readSize+=3;
if( section_syntax_indicator != 0 ){
//固定値がおかしい
_OutputDebugString( L"++CTDTTable:: section_syntax err" );
return FALSE;
}
if( table_id != 0x70 ){
//table_idがおかしい
_OutputDebugString( L"++CTDTTable:: table_id err 0x%02X", table_id );
return FALSE;
}
if( section_length != 0x0005){
//サイズ異常
_OutputDebugString( L"++CTDTTable:: size err %d > %d", readSize+section_length, dataSize );
return FALSE;
}
if( section_length > 4 ){
DWORD mjd = ((DWORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &jst_time);
jst_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
jst_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
jst_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize += 5;
}else{
return FALSE;
}
//->解析処理
if( decodeReadSize != NULL ){
*decodeReadSize = 3+section_length;
}
return TRUE;
}
BOOL CDecodeUtil::CheckSIT(WORD PID, CSITTable* sit)
{
if( sit == NULL ){
return FALSE;
}
//時間計算
if( this->totTime.dwHighDateTime == 0 && this->tdtTime.dwHighDateTime == 0 ){
for( size_t i=0; i<sit->descriptorList.size(); i++ ){
if( sit->descriptorList[i]->GetNumber(AribDescriptor::descriptor_tag) == AribDescriptor::partialTS_time_descriptor ){
if( sit->descriptorList[i]->GetNumber(AribDescriptor::jst_time_flag) == 1 ){
DWORD timeBytesSize;
const BYTE* timeBytes = sit->descriptorList[i]->GetBinary(AribDescriptor::jst_time, &timeBytesSize);
if( timeBytes != NULL && timeBytesSize >= 5 ){
DWORD mjd = timeBytes[0] << 8 | timeBytes[1];
SYSTEMTIME time;
_MJDtoSYSTEMTIME(mjd, &time);
BYTE b = timeBytes[2];
time.wHour = (WORD)_BCDtoDWORD(&b, 1, 2);
b = timeBytes[3];
time.wMinute = (WORD)_BCDtoDWORD(&b, 1, 2);
b = timeBytes[4];
time.wSecond = (WORD)_BCDtoDWORD(&b, 1, 2);
if( SystemTimeToFileTime(&time, &this->sitTime) == FALSE ){
this->sitTime.dwHighDateTime = 0;
}
this->sitTimeTick = GetTickCount();
}
}
}
}
}
if( epgDBUtil != NULL ){
if( this->patInfo != NULL ){
epgDBUtil->AddServiceList(this->patInfo->transport_stream_id, sit);
}
}
if( this->sitInfo == NULL ){
//初回
this->sitInfo = sit;
}else{
if( this->sitInfo->version_number != sit->version_number ){
//バージョン変わった
SAFE_DELETE(this->sitInfo);
this->sitInfo = sit;
}else{
//変化なし
return FALSE;
}
}
return TRUE;
}
BOOL CEITTable_SD2::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( InitDecode(data, dataSize, decodeReadSize, TRUE) == FALSE ) {
return FALSE;
}
Clear();
if( section_syntax_indicator != 1 ) {
//固定値がおかしい
_OutputDebugString( L"++CEITTable_SD2:: section_syntax err" );
return FALSE;
}
if( table_id != 0xA3 && table_id != 0xA2 ) {
//table_idがおかしい
_OutputDebugString( L"++CEITTable_SD2:: table_id err 0x%02X", table_id );
return FALSE;
}
if( section_length - 4 > 18 ) {
service_id = ((WORD)data[readSize])<<8 | data[readSize+1];
version_number = (data[readSize+2]&0x3E)>>1;
current_next_indicator = data[readSize+2]&0x01;
section_number = data[readSize+3];
last_section_number = data[readSize+4];
service_id2 = ((WORD)data[readSize+5])<<8 | data[readSize+6];
original_network_id = ((WORD)data[readSize+7])<<8 | data[readSize+8];
readSize += 9;
DWORD mjd = ((DWORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &start_time);
start_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
start_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
start_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize += 5;
mjd = ((DWORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &end_time);
end_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
end_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
end_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize += 5;
while( readSize+3 < (DWORD)section_length+3-4 ) {
EVENT_MAP_INFO* item = new EVENT_MAP_INFO;
item->descriptor_length = ((WORD)data[readSize]&0x03)<<8 | data[readSize+1];
mjd = ((DWORD)data[readSize+2])<<8 | data[readSize+3];
_MJDtoSYSTEMTIME(mjd, &item->start_day);
DWORD readDesc = 4;
DWORD max = item->descriptor_length;
max+=2;
while( readSize+readDesc+6 < (DWORD)section_length+3-4 && readDesc < max ) {
EVENT_MAP_DATA dataInfo;
dataInfo.event_id = ((WORD)data[readSize+readDesc])<<8 | data[readSize+readDesc+1];
dataInfo.hour = data[readSize+readDesc+2]>>3;
dataInfo.minute = (data[readSize+readDesc+2]&0x07)*10;
dataInfo.minute += data[readSize+readDesc+3]>>4;
BYTE length = data[readSize+readDesc+3]&0x0F;
dataInfo.a4table_eventID = ((WORD)data[readSize+readDesc+5])<<8 | data[readSize+readDesc+6];
if( readSize+readDesc+10 < (DWORD)section_length+3-4 && length == 7 ) {
dataInfo.duration = _BCDtoDWORD(data+readSize+readDesc+8, 1, 2)*60*60;
dataInfo.duration += _BCDtoDWORD(data+readSize+readDesc+9, 1, 2)*60;
dataInfo.duration += _BCDtoDWORD(data+readSize+readDesc+10, 1, 2);
} else {
dataInfo.duration = 0;
}
readDesc+=4+length;
item->eventList.push_back(dataInfo);
}
eventMapList.push_back(item);
readSize+=item->descriptor_length+2;
}
} else {
BOOL CTOTTable::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( data == NULL ){
return FALSE;
}
Clear();
//////////////////////////////////////////////////////
//サイズのチェック
//最低限table_idとsection_length+CRCのサイズは必須
if( dataSize < 7 ){
return FALSE;
}
//->サイズのチェック
DWORD readSize = 0;
//////////////////////////////////////////////////////
//解析処理
table_id = data[0];
section_syntax_indicator = (data[1]&0x80)>>7;
section_length = ((WORD)data[1]&0x0F)<<8 | data[2];
readSize+=3;
if( section_syntax_indicator != 0 ){
//固定値がおかしい
_OutputDebugString( L"++CTOTTable:: section_syntax err" );
return FALSE;
}
if( table_id != 0x73 ){
//table_idがおかしい
_OutputDebugString( L"++CTOTTable:: table_id err 0x%02X", table_id );
return FALSE;
}
if( readSize+section_length > dataSize && section_length > 3){
//サイズ異常
_OutputDebugString( L"++CTOTTable:: size err %d > %d", readSize+section_length, dataSize );
return FALSE;
}
//CRCチェック
crc32 = ((DWORD)data[3+section_length-4])<<24 |
((DWORD)data[3+section_length-3])<<16 |
((DWORD)data[3+section_length-2])<<8 |
data[3+section_length-1];
if( crc32 != _Crc32(3+section_length-4, data) ){
_OutputDebugString( L"++CTOTTable:: CRC err" );
return FALSE;
}
if( section_length > 4 ){
DWORD mjd = ((DWORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &jst_time);
jst_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
jst_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
jst_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize += 5;
descriptors_loop_length = ((WORD)data[readSize]&0x0F)<<8 | data[readSize+1];
readSize += 2;
if( readSize+descriptors_loop_length <= (DWORD)section_length+3-4 && descriptors_loop_length > 0){
CDescriptor descriptor;
if( descriptor.Decode( data+readSize, descriptors_loop_length, &descriptorList, NULL ) == FALSE ){
_OutputDebugString( L"++CTOTTable:: descriptor2 err" );
return FALSE;
}
}
readSize+=descriptors_loop_length;
}else{
return FALSE;
}
//->解析処理
if( decodeReadSize != NULL ){
*decodeReadSize = 3+section_length;
}
return TRUE;
}
BOOL CEITTable_SD::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( data == NULL ){
return FALSE;
}
Clear();
//////////////////////////////////////////////////////
//サイズのチェック
//最低限table_idとsection_length+CRCのサイズは必須
if( dataSize < 7 ){
return FALSE;
}
//->サイズのチェック
DWORD readSize = 0;
//////////////////////////////////////////////////////
//解析処理
table_id = data[0];
section_syntax_indicator = (data[1]&0x80)>>7;
section_length = ((WORD)data[1]&0x0F)<<8 | data[2];
readSize+=3;
if( section_syntax_indicator != 1 ){
//固定値がおかしい
_OutputDebugString( L"++CEITTable_SD:: section_syntax err" );
return FALSE;
}
if( table_id != 0xA4 && table_id != 0xA7 ){
//table_idがおかしい
_OutputDebugString( L"++CEITTable_SD:: table_id err 0x%02X", table_id );
return FALSE;
}
if( readSize+section_length > dataSize && section_length > 3){
//サイズ異常
_OutputDebugString( L"++CEITTable_SD:: size err %d > %d", readSize+section_length, dataSize );
return FALSE;
}
//CRCチェック
crc32 = ((DWORD)data[3+section_length-4])<<24 |
((DWORD)data[3+section_length-3])<<16 |
((DWORD)data[3+section_length-2])<<8 |
data[3+section_length-1];
if( crc32 != _Crc32(3+section_length-4, data) ){
_OutputDebugString( L"++CEITTable_SD:: CRC err" );
return FALSE;
}
if( section_length > 4 ){
service_id = ((WORD)data[readSize])<<8 | data[readSize+1];
version_number = (data[readSize+2]&0x3E)>>1;
current_next_indicator = data[readSize+2]&0x01;
section_number = data[readSize+3];
last_section_number = data[readSize+4];
transport_stream_id = ((WORD)data[readSize+5])<<8 | data[readSize+6];
original_network_id = ((WORD)data[readSize+7])<<8 | data[readSize+8];
readSize += 9;
while( readSize < (DWORD)section_length+3-4 ){
EVENT_INFO_DATA* item = new EVENT_INFO_DATA;
item->event_id = ((WORD)data[readSize])<<8 | data[readSize+1];
if( data[readSize+2] == 0xFF && data[readSize+3] == 0xFF && data[readSize+4] == 0xFF &&
data[readSize+5] == 0xFF && data[readSize+6] == 0xFF )
{
item->StartTimeFlag = FALSE;
}else{
item->StartTimeFlag = TRUE;
DWORD mjd = ((DWORD)data[readSize+2])<<8 | data[readSize+3];
_MJDtoSYSTEMTIME(mjd, &(item->start_time));
item->start_time.wHour = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
item->start_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+5, 1, 2);
item->start_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+6, 1, 2);
}
readSize+=7;
if( data[readSize] == 0xFF && data[readSize+1] == 0xFF && data[readSize+2] == 0xFF)
{
item->DurationFlag = FALSE;
}else{
item->DurationFlag = TRUE;
item->durationHH = (WORD)_BCDtoDWORD(data+readSize, 1, 2);
item->durationMM = (WORD)_BCDtoDWORD(data+readSize+1, 1, 2);
item->durationSS = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
}
readSize+=3;
item->running_status = (data[readSize]&0xE0)>>5;
item->free_CA_mode = (data[readSize]&0x10)>>4;
item->descriptors_loop_length = ((WORD)data[readSize]&0x0F)<<8 | data[readSize+1];
readSize += 2;
if( readSize+item->descriptors_loop_length <= (DWORD)section_length+3-4 && item->descriptors_loop_length > 0){
if( original_network_id == 0x0001 || original_network_id == 0x0003 ){
SDDecode( data+readSize, item->descriptors_loop_length, &(item->descriptorList), NULL );
}else{
CDescriptor descriptor;
if( descriptor.Decode( data+readSize, item->descriptors_loop_length, &(item->descriptorList), NULL ) == FALSE ){
_OutputDebugString( L"++CEITTable_SD:: descriptor2 err" );
return FALSE;
}
}
}
readSize+=item->descriptors_loop_length;
eventInfoList.push_back(item);
}
}else{
BOOL CPartialTSTimeDesc::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( data == NULL ){
return FALSE;
}
//////////////////////////////////////////////////////
//サイズのチェック
//最低限descriptor_tagとdescriptor_lengthのサイズは必須
if( dataSize < 2 ){
return FALSE;
}
//->サイズのチェック
DWORD readSize = 0;
//////////////////////////////////////////////////////
//解析処理
descriptor_tag = data[0];
descriptor_length = data[1];
readSize += 2;
if( descriptor_tag != 0xC3 ){
//タグ値がおかしい
_OutputDebugString( L"++++CPartialTSTimeDesc:: descriptor_tag err 0xC3 != 0x%02X", descriptor_tag );
return FALSE;
}
if( readSize+descriptor_length > dataSize ){
//サイズ異常
_OutputDebugString( L"++++CPartialTSTimeDesc:: size err %d > %d", readSize+descriptor_length, dataSize );
return FALSE;
}
if( descriptor_length > 0 ){
event_version_number = data[readSize];
readSize++;
DWORD mjd = ((WORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &event_start_time);
event_start_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
event_start_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
event_start_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize+=5;
duration_HH = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
duration_MM = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
duration_SS = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize+=3;
offset_HH = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
offset_MM = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
offset_SS = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize+=3;
offset_flag = (data[readSize]&0x04)>>2;
other_descriptor_status = (data[readSize]&0x02)>>1;
jst_time_flag = data[readSize]&0x01;
readSize++;
if( jst_time_flag == 1 ){
mjd = ((WORD)data[readSize])<<8 | data[readSize+1];
_MJDtoSYSTEMTIME(mjd, &jst_time);
jst_time.wHour = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
jst_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+3, 1, 2);
jst_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
readSize+=5;
}
}else{
BOOL CEITTable::Decode( BYTE* data, DWORD dataSize, DWORD* decodeReadSize )
{
if( InitDecode(data, dataSize, decodeReadSize, TRUE) == FALSE ){
return FALSE;
}
Clear();
if( section_syntax_indicator != 1 ){
//固定値がおかしい
_OutputDebugString( L"++CEITTable:: section_syntax err" );
return FALSE;
}
if( table_id < 0x4E || table_id > 0x6F ){
//table_idがおかしい
_OutputDebugString( L"++CEITTable:: table_id err 0x%02X", table_id );
return FALSE;
}
if( section_length - 4 > 10 ){
service_id = ((WORD)data[readSize])<<8 | data[readSize+1];
version_number = (data[readSize+2]&0x3E)>>1;
current_next_indicator = data[readSize+2]&0x01;
section_number = data[readSize+3];
last_section_number = data[readSize+4];
transport_stream_id = ((WORD)data[readSize+5])<<8 | data[readSize+6];
original_network_id = ((WORD)data[readSize+7])<<8 | data[readSize+8];
segment_last_section_number = data[readSize+9];
last_table_id = data[readSize+10];
readSize += 11;
while( readSize+11 < (DWORD)section_length+3-4 ){
EVENT_INFO_DATA* item = new EVENT_INFO_DATA;
item->event_id = ((WORD)data[readSize])<<8 | data[readSize+1];
if( data[readSize+2] == 0xFF && data[readSize+3] == 0xFF && data[readSize+4] == 0xFF &&
data[readSize+5] == 0xFF && data[readSize+6] == 0xFF )
{
item->StartTimeFlag = FALSE;
}else{
item->StartTimeFlag = TRUE;
DWORD mjd = ((DWORD)data[readSize+2])<<8 | data[readSize+3];
_MJDtoSYSTEMTIME(mjd, &(item->start_time));
item->start_time.wHour = (WORD)_BCDtoDWORD(data+readSize+4, 1, 2);
item->start_time.wMinute = (WORD)_BCDtoDWORD(data+readSize+5, 1, 2);
item->start_time.wSecond = (WORD)_BCDtoDWORD(data+readSize+6, 1, 2);
}
readSize+=7;
if( data[readSize] == 0xFF && data[readSize+1] == 0xFF && data[readSize+2] == 0xFF)
{
item->DurationFlag = FALSE;
}else{
item->DurationFlag = TRUE;
item->durationHH = (WORD)_BCDtoDWORD(data+readSize, 1, 2);
item->durationMM = (WORD)_BCDtoDWORD(data+readSize+1, 1, 2);
item->durationSS = (WORD)_BCDtoDWORD(data+readSize+2, 1, 2);
}
readSize+=3;
item->running_status = (data[readSize]&0xE0)>>5;
item->free_CA_mode = (data[readSize]&0x10)>>4;
item->descriptors_loop_length = ((WORD)data[readSize]&0x0F)<<8 | data[readSize+1];
readSize += 2;
if( readSize+item->descriptors_loop_length <= (DWORD)section_length+3-4 && item->descriptors_loop_length > 0){
if( original_network_id == 0x0001 || original_network_id == 0x0003 ){
SDDecode( data+readSize, item->descriptors_loop_length, &(item->descriptorList), NULL );
}else{
if( AribDescriptor::CreateDescriptors( data+readSize, item->descriptors_loop_length, &(item->descriptorList), NULL ) == FALSE ){
_OutputDebugString( L"++CEITTable:: descriptor2 err" );
SAFE_DELETE(item);
return FALSE;
}
}
}
readSize+=item->descriptors_loop_length;
eventInfoList.push_back(item);
}
}else{