BOOL CTSBuffUtil::GetSectionBuff(BYTE** sectionData, DWORD* dataSize)
{
if( sectionSize == 0 && carryPacket.empty() == false ){
//繰り越しパケットを処理
CTSPacketUtil tsPacket;
tsPacket.payload_unit_start_indicator = 1;
tsPacket.data_byteSize = (BYTE)carryPacket.size();
tsPacket.data_byte = &carryPacket.front();
if( PESMode == FALSE ){
if( AddSectionBuff(&tsPacket) != 2 ){
carryPacket.clear();
}
}else{
AddPESBuff(&tsPacket);
carryPacket.clear();
}
}
if( sectionSize == 0 || sectionSize != sectionBuff.size() ){
//sectionBuffはGet済みか作成途中
carryPacket.clear();
return FALSE;
}
*sectionData = §ionBuff.front();
*dataSize = sectionSize;
//sectionBuffがGet済みであることを示す
sectionSize = 0;
return TRUE;
}
DWORD CTSBuffUtil::Add188TS(CTSPacketUtil* tsPacket)
{
if( tsPacket == NULL ){
return FALSE;
}
//カウンターチェック
if( CheckCounter(tsPacket) == FALSE ){
Clear();
}
//スクランブルのチェック
if( tsPacket->transport_scrambling_control != 0 ){
//スクランブルパケットなので解析できない
Clear();
return ERR_NOT_SUPPORT;
}
if( tsPacket->payload_unit_start_indicator == 1 ){
if( tsPacket->data_byteSize < 3 ){
//サイズが小さすぎる
return FALSE;
}
if(tsPacket->data_byte[0] == 0x00 && tsPacket->data_byte[1] == 0x00 && tsPacket->data_byte[2] == 0x01){
//PES
if( this->supportPES == FALSE ){
Clear();
return ERR_NOT_SUPPORT;
}
this->PESMode = TRUE;
}else if( tsPacket->adaptation_field_length > 0 && tsPacket->random_access_indicator == 1 ){
//PES
if( this->supportPES == FALSE ){
Clear();
return ERR_NOT_SUPPORT;
}
this->PESMode = TRUE;
}else if( tsPacket->adaptation_field_length > 0 && tsPacket->PCR_flag == 1 ){
//PCR
Clear();
return ERR_NOT_SUPPORT;
}else if( tsPacket->adaptation_field_length > 0 && tsPacket->OPCR_flag == 1 ){
//OPCR
Clear();
return ERR_NOT_SUPPORT;
}
}
if( this->lastPID == 0xFFFF && this->lastCounter == 0xFF ){
//初回
if( tsPacket->payload_unit_start_indicator == 1 ){
//PSI
this->lastPID = tsPacket->PID;
this->lastCounter = tsPacket->continuity_counter;
if( this->PESMode == FALSE ){
return AddSectionBuff(tsPacket);
}else{
return AddPESBuff(tsPacket);
}
}else{
//スタート位置ではない
return ERR_ADD_NEXT;
}
}else{
this->lastPID = tsPacket->PID;
this->lastCounter = tsPacket->continuity_counter;
if( this->PESMode == FALSE ){
return AddSectionBuff(tsPacket);
}else{
return AddPESBuff(tsPacket);
}
}
}