O3DGCErrorCode LoadBinAC(Vector<long> & data,
const BinaryStream & bstream,
unsigned long & iterator)
{
size_t sizeSize = bstream.ReadUInt32Bin(iterator) - 8;
size_t size = bstream.ReadUInt32Bin(iterator);
if (size == 0)
{
return O3DGC_OK;
}
unsigned char * buffer = 0;
bstream.GetBuffer(iterator, buffer);
iterator += sizeSize;
data.Allocate(size);
Arithmetic_Codec acd;
acd.set_buffer(sizeSize, buffer);
acd.start_decoder();
Adaptive_Bit_Model bModel;
#ifdef DEBUG_VERBOSE
printf("-----------\nsize %i\n", size);
fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
for(size_t i = 0; i < size; ++i)
{
data.PushBack(acd.decode(bModel));
#ifdef DEBUG_VERBOSE
printf("%i\t%i\n", i, data[i]);
fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
}
return O3DGC_OK;
}
O3DGCErrorCode LoadUIntAC(Vector<long> & data,
const unsigned long M,
const BinaryStream & bstream,
unsigned long & iterator)
{
unsigned long sizeSize = bstream.ReadUInt32Bin(iterator) - 12;
unsigned long size = bstream.ReadUInt32Bin(iterator);
if (size == 0)
{
return O3DGC_OK;
}
long minValue = bstream.ReadUInt32Bin(iterator);
unsigned char * buffer = 0;
bstream.GetBuffer(iterator, buffer);
iterator += sizeSize;
data.Allocate(size);
Arithmetic_Codec acd;
acd.set_buffer(sizeSize, buffer);
acd.start_decoder();
Adaptive_Data_Model mModelValues(M+1);
#ifdef DEBUG_VERBOSE
printf("-----------\nsize %i\n", size);
fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
for(unsigned long i = 0; i < size; ++i)
{
data.PushBack(acd.decode(mModelValues)+minValue);
#ifdef DEBUG_VERBOSE
printf("%i\t%i\n", i, data[i]);
fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
}
return O3DGC_OK;
}
O3DGCErrorCode CompressedTriangleFans::SaveUIntAC(const Vector<long> & data,
const unsigned long M,
BinaryStream & bstream)
{
unsigned long start = bstream.GetSize();
const unsigned int NMAX = data.GetSize() * 8 + 100;
const size_t size = data.GetSize();
long minValue = O3DGC_MAX_LONG;
bstream.WriteUInt32Bin(0);
bstream.WriteUInt32Bin(size);
if (size > 0)
{
#ifdef DEBUG_VERBOSE
printf("-----------\nsize %i, start %i\n", size, start);
fprintf(g_fileDebugTF, "-----------\nsize %i, start %i\n", size, start);
#endif //DEBUG_VERBOSE
for(size_t i = 0; i < size; ++i)
{
if (minValue > data[i])
{
minValue = data[i];
}
#ifdef DEBUG_VERBOSE
printf("%i\t%i\n", i, data[i]);
fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
}
bstream.WriteUInt32Bin(minValue);
if ( m_sizeBufferAC < NMAX )
{
delete [] m_bufferAC;
m_sizeBufferAC = NMAX;
m_bufferAC = new unsigned char [m_sizeBufferAC];
}
Arithmetic_Codec ace;
ace.set_buffer(NMAX, m_bufferAC);
ace.start_encoder();
Adaptive_Data_Model mModelValues(M+1);
for(size_t i = 0; i < size; ++i)
{
ace.encode(data[i]-minValue, mModelValues);
}
unsigned long encodedBytes = ace.stop_encoder();
for(size_t i = 0; i < encodedBytes; ++i)
{
bstream.WriteUChar8Bin(m_bufferAC[i]);
}
}
bstream.WriteUInt32Bin(start, bstream.GetSize() - start);
return O3DGC_OK;
}
O3DGCErrorCode LoadIntACEGC(Vector<long> & data,
const unsigned long M,
const BinaryStream & bstream,
unsigned long & iterator)
{
size_t sizeSize = bstream.ReadUInt32Bin(iterator) - 12;
size_t size = bstream.ReadUInt32Bin(iterator);
if (size == 0)
{
return O3DGC_OK;
}
long minValue = bstream.ReadUInt32Bin(iterator) - O3DGC_MAX_LONG;
unsigned char * buffer = 0;
bstream.GetBuffer(iterator, buffer);
iterator += sizeSize;
data.Allocate(size);
Arithmetic_Codec acd;
acd.set_buffer(sizeSize, buffer);
acd.start_decoder();
Adaptive_Data_Model mModelValues(M+2);
Static_Bit_Model bModel0;
Adaptive_Bit_Model bModel1;
unsigned long value;
#ifdef DEBUG_VERBOSE
printf("-----------\nsize %i\n", size);
fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
for(size_t i = 0; i < size; ++i)
{
value = acd.decode(mModelValues);
if ( value == M)
{
value += acd.ExpGolombDecode(0, bModel0, bModel1);
}
data.PushBack(value + minValue);
#ifdef DEBUG_VERBOSE
printf("%i\t%i\n", i, data[i]);
fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
}
#ifdef DEBUG_VERBOSE
fflush(g_fileDebugTF);
#endif //DEBUG_VERBOSE
return O3DGC_OK;
}
