// // Clone - clone my properties to destination atom // // this method simplifies duplicating avcC atom properties from // source to destination file using a single API rather than // having to copy each property. This API encapsulates the object // so the application layer need not concern with each property // thereby isolating any future changes to atom properties. // // ---------------------------------------- // property description // ---------------------------------------- // // 0 configurationVersion // 1 AVCProfileIndication // 2 profile_compatibility // 3 AVCLevelIndication // 4 reserved // 5 lengthSizeMinusOne // 6 reserved // 7 number of SPS // 8 SPS entries // 9 number of PPS // 10 PPS entries // // void MP4HvcCAtom::Clone(MP4HvcCAtom *dstAtom) { #if 1 //cwm MP4Property *dstProperty; MP4TableProperty *pTable; uint16_t i16; uint64_t i32; uint64_t i64; uint8_t *tmp; // source pointer Property I16 MP4Integer16Property *spPI16; // source pointer Property Bytes MP4BytesProperty *spPB; // dest pointer Property I16 MP4Integer16Property *dpPI16; // dest pointer Property Bytes MP4BytesProperty *dpPB; // start with defaults and reserved fields dstAtom->Generate(); // 0, 4, 6 are now generated from defaults // leaving 1, 2, 3, 5, 7, 8, 9, 10 to export dstProperty=dstAtom->GetProperty(1); ((MP4Integer8Property *)dstProperty)->SetValue( 0x12);//((MP4Integer8Property *)m_pProperties[1])->GetValue() dstProperty=dstAtom->GetProperty(2); ((MP4Integer8Property *)dstProperty)->SetValue( 0x34);//((MP4Integer8Property *)m_pProperties[2])->GetValue() dstProperty=dstAtom->GetProperty(3); ((MP4Integer8Property *)dstProperty)->SetValue( ((MP4Integer8Property *)m_pProperties[3])->GetValue()); dstProperty=dstAtom->GetProperty(5); ((MP4BitfieldProperty *)dstProperty)->SetValue( ((MP4BitfieldProperty *)m_pProperties[5])->GetValue()); // // 7 and 8 are related SPS (one set of sequence parameters) // // first the count bitfield // dstProperty=dstAtom->GetProperty(7); dstProperty->SetReadOnly(false); ((MP4BitfieldProperty *)dstProperty)->SetValue( ((MP4BitfieldProperty *)m_pProperties[7])->GetValue()); dstProperty->SetReadOnly(true); // next export SPS Length and NAL bytes */ // first source pointers pTable = (MP4TableProperty *) m_pProperties[8]; spPI16 = (MP4Integer16Property *)pTable->GetProperty(0); spPB = (MP4BytesProperty *)pTable->GetProperty(1); // now dest pointers dstProperty=dstAtom->GetProperty(8); pTable = (MP4TableProperty *) dstProperty; dpPI16 = (MP4Integer16Property *)pTable->GetProperty(0); dpPB = (MP4BytesProperty *)pTable->GetProperty(1); // sps length i16 = spPI16->GetValue(); i64 = i16; // FIXME - this leaves m_maxNumElements =2 // but src atom m_maxNumElements is 1 dpPI16->InsertValue(i64, 0); // export byte array i32 = i16; // copy bytes to local buffer tmp = (uint8_t *)MP4Malloc(i32); ASSERT(tmp != NULL); spPB->CopyValue(tmp, 0); // set element count dpPB->SetCount(1); // copy bytes dpPB->SetValue(tmp, i32, 0); MP4Free((void *)tmp); // // 9 and 10 are related PPS (one set of picture parameters) // // first the integer8 count // dstProperty=dstAtom->GetProperty(9); dstProperty->SetReadOnly(false); ((MP4Integer8Property *)dstProperty)->SetValue( ((MP4Integer8Property *)m_pProperties[9])->GetValue()); dstProperty->SetReadOnly(true); // next export PPS Length and NAL bytes */ // first source pointers pTable = (MP4TableProperty *) m_pProperties[10]; spPI16 = (MP4Integer16Property *)pTable->GetProperty(0); spPB = (MP4BytesProperty *)pTable->GetProperty(1); // now dest pointers dstProperty=dstAtom->GetProperty(10); pTable = (MP4TableProperty *) dstProperty; dpPI16 = (MP4Integer16Property *)pTable->GetProperty(0); dpPB = (MP4BytesProperty *)pTable->GetProperty(1); #if 1//cwm 500 // pps length i16 = spPI16->GetValue(); i64 = i16; dpPI16->InsertValue(i64, 0); // export byte array i32 = i16; // copy bytes to local buffer tmp = (uint8_t *)MP4Malloc(i32); ASSERT(tmp != NULL); spPB->CopyValue(tmp, 0); // set element count dpPB->SetCount(1); // copy bytes dpPB->SetValue(tmp, i32, 0); MP4Free((void *)tmp); #endif //cwm 500 #endif //cwm }