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-rw-r--r--src/mesh/assimp-master/contrib/Open3DGC/o3dgcDynamicVectorEncoder.cpp295
1 files changed, 0 insertions, 295 deletions
diff --git a/src/mesh/assimp-master/contrib/Open3DGC/o3dgcDynamicVectorEncoder.cpp b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcDynamicVectorEncoder.cpp
deleted file mode 100644
index 00ae75e..0000000
--- a/src/mesh/assimp-master/contrib/Open3DGC/o3dgcDynamicVectorEncoder.cpp
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
-Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-#include "o3dgcDVEncodeParams.h"
-#include "o3dgcDynamicVectorEncoder.h"
-#include "o3dgcArithmeticCodec.h"
-#include "o3dgcBinaryStream.h"
-
-//#define DEBUG_VERBOSE
-
-namespace o3dgc
-{
-#ifdef DEBUG_VERBOSE
- FILE * g_fileDebugDVEnc = NULL;
-#endif //DEBUG_VERBOSE
-
- inline O3DGCErrorCode Update(long * const data, const long size)
- {
- assert(size > 1);
- const long size1 = size - 1;
- long p = 2;
- data[0] += data[1] >> 1;
- while(p < size1)
- {
- data[p] += (data[p-1] + data[p+1] + 2) >> 2;
- p += 2;
- }
- if ( p == size1)
- {
- data[p] += data[p-1]>>1;
- }
- return O3DGC_OK;
- }
- inline O3DGCErrorCode Predict(long * const data, const long size)
- {
- assert(size > 1);
- const long size1 = size - 1;
- long p = 1;
- while(p < size1)
- {
- data[p] -= (data[p-1] + data[p+1] + 1) >> 1;
- p += 2;
- }
- if ( p == size1)
- {
- data[p] -= data[p-1];
- }
- return O3DGC_OK;
- }
- inline O3DGCErrorCode Split(long * const data, const long size)
- {
- assert(size > 1);
- long a = 1;
- long b = size-1;
- while (a < b)
- {
- for (long i = a; i < b; i += 2)
- {
- swap(data[i], data[i+1]);
- }
- ++a;
- --b;
- }
- return O3DGC_OK;
- }
- inline O3DGCErrorCode Transform(long * const data, const unsigned long size)
- {
- unsigned long n = size;
- while(n > 1)
- {
- Predict(data, n);
- Update (data, n);
- Split(data, n);
- n = (n >> 1) + (n & 1);
- }
- return O3DGC_OK;
- }
- DynamicVectorEncoder::DynamicVectorEncoder(void)
- {
- m_maxNumVectors = 0;
- m_numVectors = 0;
- m_dimVectors = 0;
- m_quantVectors = 0;
- m_sizeBufferAC = 0;
- m_bufferAC = 0;
- m_posSize = 0;
- m_streamType = O3DGC_STREAM_TYPE_UNKOWN;
- }
- DynamicVectorEncoder::~DynamicVectorEncoder()
- {
- delete [] m_quantVectors;
- delete [] m_bufferAC;
- }
- O3DGCErrorCode DynamicVectorEncoder::Encode(const DVEncodeParams & params,
- const DynamicVector & dynamicVector,
- BinaryStream & bstream)
- {
- assert(params.GetQuantBits() > 0);
- assert(dynamicVector.GetNVector() > 0);
- assert(dynamicVector.GetDimVector() > 0);
- assert(dynamicVector.GetStride() >= dynamicVector.GetDimVector());
- assert(dynamicVector.GetVectors() && dynamicVector.GetMin() && dynamicVector.GetMax());
- assert(m_streamType != O3DGC_STREAM_TYPE_UNKOWN);
- // Encode header
- unsigned long start = bstream.GetSize();
- EncodeHeader(params, dynamicVector, bstream);
- // Encode payload
- EncodePayload(params, dynamicVector, bstream);
- bstream.WriteUInt32(m_posSize, bstream.GetSize() - start, m_streamType);
- return O3DGC_OK;
-
- }
- O3DGCErrorCode DynamicVectorEncoder::EncodeHeader(const DVEncodeParams & params,
- const DynamicVector & dynamicVector,
- BinaryStream & bstream)
- {
- m_streamType = params.GetStreamType();
- bstream.WriteUInt32(O3DGC_DV_START_CODE, m_streamType);
- m_posSize = bstream.GetSize();
- bstream.WriteUInt32(0, m_streamType); // to be filled later
- bstream.WriteUChar((unsigned char) params.GetEncodeMode(), m_streamType);
- bstream.WriteUInt32(dynamicVector.GetNVector() , m_streamType);
- if (dynamicVector.GetNVector() > 0)
- {
- bstream.WriteUInt32(dynamicVector.GetDimVector(), m_streamType);
- bstream.WriteUChar ((unsigned char) params.GetQuantBits(), m_streamType);
- }
- return O3DGC_OK;
- }
- O3DGCErrorCode DynamicVectorEncoder::EncodeAC(unsigned long num,
- unsigned long dim,
- unsigned long M,
- unsigned long & encodedBytes)
- {
- Arithmetic_Codec ace;
- Static_Bit_Model bModel0;
- Adaptive_Bit_Model bModel1;
- Adaptive_Data_Model mModelValues(M+2);
- const unsigned int NMAX = num * dim * 8 + 100;
- if ( m_sizeBufferAC < NMAX )
- {
- delete [] m_bufferAC;
- m_sizeBufferAC = NMAX;
- m_bufferAC = new unsigned char [m_sizeBufferAC];
- }
- ace.set_buffer(NMAX, m_bufferAC);
- ace.start_encoder();
- ace.ExpGolombEncode(0, 0, bModel0, bModel1);
- ace.ExpGolombEncode(M, 0, bModel0, bModel1);
- for(unsigned long v = 0; v < num; ++v)
- {
- for(unsigned long d = 0; d < dim; ++d)
- {
- EncodeIntACEGC(m_quantVectors[d * num + v], ace, mModelValues, bModel0, bModel1, M);
- }
- }
- encodedBytes = ace.stop_encoder();
- return O3DGC_OK;
- }
-
- O3DGCErrorCode DynamicVectorEncoder::EncodePayload(const DVEncodeParams & params,
- const DynamicVector & dynamicVector,
- BinaryStream & bstream)
- {
-#ifdef DEBUG_VERBOSE
- g_fileDebugDVEnc = fopen("dv_enc.txt", "w");
-#endif //DEBUG_VERBOSE
- unsigned long start = bstream.GetSize();
- const unsigned long dim = dynamicVector.GetDimVector();
- const unsigned long num = dynamicVector.GetNVector();
-
- bstream.WriteUInt32(0, m_streamType);
-
- for(unsigned long j=0 ; j<dynamicVector.GetDimVector() ; ++j)
- {
- bstream.WriteFloat32((float) dynamicVector.GetMin(j), m_streamType);
- bstream.WriteFloat32((float) dynamicVector.GetMax(j), m_streamType);
- }
- Quantize(dynamicVector.GetVectors(),
- num,
- dim,
- dynamicVector.GetStride(),
- dynamicVector.GetMin(),
- dynamicVector.GetMax(),
- params.GetQuantBits());
- for(unsigned long d = 0; d < dim; ++d)
- {
- Transform(m_quantVectors + d * num, num);
- }
- #ifdef DEBUG_VERBOSE
- printf("IntArray (%i, %i)\n", num, dim);
- fprintf(g_fileDebugDVEnc, "IntArray (%i, %i)\n", num, dim);
- for(unsigned long v = 0; v < num; ++v)
- {
- for(unsigned long d = 0; d < dim; ++d)
- {
- printf("%i\t %i \t %i\n", d * num + v, m_quantVectors[d * num + v], IntToUInt(m_quantVectors[d * num + v]));
- fprintf(g_fileDebugDVEnc, "%i\t %i \t %i\n", d * num + v, m_quantVectors[d * num + v], IntToUInt(m_quantVectors[d * num + v]));
- }
- }
- #endif //DEBUG_VERBOSE
-
- if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
- {
- for(unsigned long v = 0; v < num; ++v)
- {
- for(unsigned long d = 0; d < dim; ++d)
- {
- bstream.WriteIntASCII(m_quantVectors[d * num + v]);
- }
- }
- }
- else
- {
- unsigned long encodedBytes = 0;
- unsigned long bestEncodedBytes = O3DGC_MAX_ULONG;
- unsigned long M = 1;
- unsigned long bestM = 1;
- while (M < 1024)
- {
- EncodeAC(num, dim, M, encodedBytes);
- if (encodedBytes > bestEncodedBytes)
- {
- break;
- }
- bestM = M;
- bestEncodedBytes = encodedBytes;
- M *= 2;
- }
- EncodeAC(num, dim, bestM, encodedBytes);
- for(unsigned long i = 0; i < encodedBytes; ++i)
- {
- bstream.WriteUChar8Bin(m_bufferAC[i]);
- }
- }
- bstream.WriteUInt32(start, bstream.GetSize() - start, m_streamType);
-#ifdef DEBUG_VERBOSE
- fclose(g_fileDebugDVEnc);
-#endif //DEBUG_VERBOSE
- return O3DGC_OK;
- }
- O3DGCErrorCode DynamicVectorEncoder::Quantize(const Real * const floatArray,
- unsigned long numFloatArray,
- unsigned long dimFloatArray,
- unsigned long stride,
- const Real * const minFloatArray,
- const Real * const maxFloatArray,
- unsigned long nQBits)
- {
- const unsigned long size = numFloatArray * dimFloatArray;
- Real r;
- if (m_maxNumVectors < size)
- {
- delete [] m_quantVectors;
- m_maxNumVectors = size;
- m_quantVectors = new long [m_maxNumVectors];
- }
- Real delta;
- for(unsigned long d = 0; d < dimFloatArray; ++d)
- {
- r = maxFloatArray[d] - minFloatArray[d];
- if (r > 0.0f)
- {
- delta = (float)((1 << nQBits) - 1) / r;
- }
- else
- {
- delta = 1.0f;
- }
- for(unsigned long v = 0; v < numFloatArray; ++v)
- {
- m_quantVectors[v + d * numFloatArray] = (long)((floatArray[v * stride + d]-minFloatArray[d]) * delta + 0.5f);
- }
- }
- return O3DGC_OK;
- }
-}
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