BOOL CNITTable::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"++CNITTable:: section_syntax err" );
return FALSE;
}
if( table_id != 0x40 && table_id != 0x41 ){
//table_idがおかしい
_OutputDebugString( L"++CNITTable:: table_id err 0x%02X", table_id );
return FALSE;
}
if( section_length - 4 > 8 ){
network_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];
network_descriptors_length = ((WORD)data[readSize+5]&0x0F)<<8 | data[readSize+6];
readSize += 7;
if( readSize+network_descriptors_length <= (DWORD)section_length+3-4 && network_descriptors_length > 0){
if( network_id == 0x0001 || network_id == 0x0003 ){
SDDecode( data+readSize, network_descriptors_length, &descriptorList, NULL );
}else{
if( AribDescriptor::CreateDescriptors( data+readSize, network_descriptors_length, &descriptorList, NULL ) == FALSE ){
_OutputDebugString( L"++CNITTable:: descriptor err" );
return FALSE;
}
}
readSize+=network_descriptors_length;
}
transport_stream_loop_length = ((WORD)data[readSize]&0x0F)<<8 | data[readSize+1];
readSize += 2;
WORD tsLoopReadSize = 0;
while( readSize+5 < (DWORD)section_length+3-4 && tsLoopReadSize < transport_stream_loop_length){
TS_INFO_DATA* item = new TS_INFO_DATA;
item->transport_stream_id = ((WORD)data[readSize])<<8 | data[readSize+1];
item->original_network_id = ((WORD)data[readSize+2])<<8 | data[readSize+3];
item->transport_descriptors_length = ((WORD)data[readSize+4]&0x0F)<<8 | data[readSize+5];
readSize += 6;
if( readSize+item->transport_descriptors_length <= (DWORD)section_length+3-4 && item->transport_descriptors_length > 0){
if( AribDescriptor::CreateDescriptors( data+readSize, item->transport_descriptors_length, &(item->descriptorList), NULL ) == FALSE ){
_OutputDebugString( L"++CNITTable:: descriptor2 err" );
SAFE_DELETE(item);
return FALSE;
}
}
readSize+=item->transport_descriptors_length;
tsLoopReadSize += 6 + item->transport_descriptors_length;
TSInfoList.push_back(item);
}
}else{
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 CNITTable::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"++CNITTable:: section_syntax err" );
return FALSE;
}
if( table_id != 0x40 && table_id != 0x41 ){
//table_idがおかしい
_OutputDebugString( L"++CNITTable:: table_id err 0x%02X", table_id );
return FALSE;
}
if( readSize+section_length > dataSize && section_length > 3){
//サイズ異常
_OutputDebugString( L"++CNITTable:: 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"++CNITTable:: CRC err" );
return FALSE;
}
if( section_length > 8 ){
network_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];
network_descriptors_length = ((WORD)data[readSize+5]&0x0F)<<8 | data[readSize+6];
readSize += 7;
if( readSize+network_descriptors_length <= (DWORD)section_length+3-4 && network_descriptors_length > 0){
if( network_id == 0x0001 || network_id == 0x0003 ){
SDDecode( data+readSize, network_descriptors_length, &descriptorList, NULL );
}else{
CDescriptor descriptor;
if( descriptor.Decode( data+readSize, network_descriptors_length, &descriptorList, NULL ) == FALSE ){
_OutputDebugString( L"++CNITTable:: descriptor err" );
return FALSE;
}
}
readSize+=network_descriptors_length;
}
transport_stream_loop_length = ((WORD)data[readSize]&0x0F)<<8 | data[readSize+1];
readSize += 2;
WORD tsLoopReadSize = 0;
while( readSize < (DWORD)section_length+3-4 && tsLoopReadSize < transport_stream_loop_length){
TS_INFO_DATA* item = new TS_INFO_DATA;
item->transport_stream_id = ((WORD)data[readSize])<<8 | data[readSize+1];
item->original_network_id = ((WORD)data[readSize+2])<<8 | data[readSize+3];
item->transport_descriptors_length = ((WORD)data[readSize+4]&0x0F)<<8 | data[readSize+5];
readSize += 6;
if( readSize+item->transport_descriptors_length <= (DWORD)section_length+3-4 && item->transport_descriptors_length > 0){
CDescriptor descriptor;
if( descriptor.Decode( data+readSize, item->transport_descriptors_length, &(item->descriptorList), NULL ) == FALSE ){
_OutputDebugString( L"++CNITTable:: descriptor2 err" );
return FALSE;
}
}
readSize+=item->transport_descriptors_length;
tsLoopReadSize += 6 + item->transport_descriptors_length;
TSInfoList.push_back(item);
}
}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{
