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authorsanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
committersanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
commit058f98a63658dc1a2579826ba167fd61bed1e21f (patch)
treebcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl
parent2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff)
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl')
-rw-r--r--src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl861
1 files changed, 861 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl
new file mode 100644
index 0000000..8bd85f2
--- /dev/null
+++ b/src/mesh/assimp-master/contrib/Open3DGC/o3dgcSC3DMCDecoder.inl
@@ -0,0 +1,861 @@
+/*
+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.
+*/
+
+#pragma once
+#ifndef O3DGC_SC3DMC_DECODER_INL
+#define O3DGC_SC3DMC_DECODER_INL
+
+#include "o3dgcArithmeticCodec.h"
+#include "o3dgcTimer.h"
+
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning( disable : 4456)
+#endif // _MSC_VER
+
+//#define DEBUG_VERBOSE
+
+namespace o3dgc
+{
+#ifdef DEBUG_VERBOSE
+ FILE * g_fileDebugSC3DMCDec = NULL;
+#endif //DEBUG_VERBOSE
+
+ template<class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::DecodeHeader(IndexedFaceSet<T> & ifs,
+ const BinaryStream & bstream)
+ {
+ unsigned long iterator0 = m_iterator;
+ unsigned long start_code = bstream.ReadUInt32(m_iterator, O3DGC_STREAM_TYPE_BINARY);
+ if (start_code != O3DGC_SC3DMC_START_CODE)
+ {
+ m_iterator = iterator0;
+ start_code = bstream.ReadUInt32(m_iterator, O3DGC_STREAM_TYPE_ASCII);
+ if (start_code != O3DGC_SC3DMC_START_CODE)
+ {
+ return O3DGC_ERROR_CORRUPTED_STREAM;
+ }
+ else
+ {
+ m_streamType = O3DGC_STREAM_TYPE_ASCII;
+ }
+ }
+ else
+ {
+ m_streamType = O3DGC_STREAM_TYPE_BINARY;
+ }
+
+ m_streamSize = bstream.ReadUInt32(m_iterator, m_streamType);
+ m_params.SetEncodeMode( (O3DGCSC3DMCEncodingMode) bstream.ReadUChar(m_iterator, m_streamType));
+
+ ifs.SetCreaseAngle((Real) bstream.ReadFloat32(m_iterator, m_streamType));
+
+ unsigned char mask = bstream.ReadUChar(m_iterator, m_streamType);
+
+ ifs.SetCCW ((mask & 1) == 1);
+ // (mask & 2) == 1
+ ifs.SetSolid (false);
+ // (mask & 4) == 1
+ ifs.SetConvex (false);
+ // (mask & 8) == 1
+ ifs.SetIsTriangularMesh(false);
+ //bool markerBit0 = (mask & 16 ) == 1;
+ //bool markerBit1 = (mask & 32 ) == 1;
+ //bool markerBit2 = (mask & 64 ) == 1;
+ //bool markerBit3 = (mask & 128) == 1;
+
+ ifs.SetNCoord (bstream.ReadUInt32(m_iterator, m_streamType));
+ ifs.SetNNormal (bstream.ReadUInt32(m_iterator, m_streamType));
+
+
+ ifs.SetNumFloatAttributes(bstream.ReadUInt32(m_iterator, m_streamType));
+ ifs.SetNumIntAttributes (bstream.ReadUInt32(m_iterator, m_streamType));
+
+ if (ifs.GetNCoord() > 0)
+ {
+ ifs.SetNCoordIndex(bstream.ReadUInt32(m_iterator, m_streamType));
+ for(int j=0 ; j<3 ; ++j)
+ {
+ ifs.SetCoordMin(j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ ifs.SetCoordMax(j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ }
+ m_params.SetCoordQuantBits( bstream.ReadUChar(m_iterator, m_streamType) );
+ }
+ if (ifs.GetNNormal() > 0)
+ {
+ ifs.SetNNormalIndex(bstream.ReadUInt32(m_iterator, m_streamType));
+ for(int j=0 ; j<3 ; ++j)
+ {
+ ifs.SetNormalMin(j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ ifs.SetNormalMax(j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ }
+ ifs.SetNormalPerVertex(bstream.ReadUChar(m_iterator, m_streamType) == 1);
+ m_params.SetNormalQuantBits(bstream.ReadUChar(m_iterator, m_streamType));
+ }
+
+ for(unsigned long a = 0; a < ifs.GetNumFloatAttributes(); ++a)
+ {
+ ifs.SetNFloatAttribute(a, bstream.ReadUInt32(m_iterator, m_streamType));
+ if (ifs.GetNFloatAttribute(a) > 0)
+ {
+ ifs.SetNFloatAttributeIndex(a, bstream.ReadUInt32(m_iterator, m_streamType));
+ unsigned char d = bstream.ReadUChar(m_iterator, m_streamType);
+ ifs.SetFloatAttributeDim(a, d);
+ for(unsigned char j = 0 ; j < d ; ++j)
+ {
+ ifs.SetFloatAttributeMin(a, j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ ifs.SetFloatAttributeMax(a, j, (Real) bstream.ReadFloat32(m_iterator, m_streamType));
+ }
+ ifs.SetFloatAttributePerVertex(a, bstream.ReadUChar(m_iterator, m_streamType) == 1);
+ ifs.SetFloatAttributeType(a, (O3DGCIFSFloatAttributeType) bstream.ReadUChar(m_iterator, m_streamType));
+ m_params.SetFloatAttributeQuantBits(a, bstream.ReadUChar(m_iterator, m_streamType));
+ }
+ }
+ for(unsigned long a = 0; a < ifs.GetNumIntAttributes(); ++a)
+ {
+ ifs.SetNIntAttribute(a, bstream.ReadUInt32(m_iterator, m_streamType));
+ if (ifs.GetNIntAttribute(a) > 0)
+ {
+ ifs.SetNIntAttributeIndex(a, bstream.ReadUInt32(m_iterator, m_streamType));
+ ifs.SetIntAttributeDim(a, bstream.ReadUChar(m_iterator, m_streamType));
+ ifs.SetIntAttributePerVertex(a, bstream.ReadUChar(m_iterator, m_streamType) == 1);
+ ifs.SetIntAttributeType(a, (O3DGCIFSIntAttributeType) bstream.ReadUChar(m_iterator, m_streamType));
+ }
+ }
+ return O3DGC_OK;
+ }
+ template<class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::DecodePayload(IndexedFaceSet<T> & ifs,
+ const BinaryStream & bstream)
+ {
+ O3DGCErrorCode ret = O3DGC_OK;
+#ifdef DEBUG_VERBOSE
+ g_fileDebugSC3DMCDec = fopen("tfans_dec_main.txt", "w");
+#endif //DEBUG_VERBOSE
+
+ m_triangleListDecoder.SetStreamType(m_streamType);
+ m_stats.m_streamSizeCoordIndex = m_iterator;
+ Timer timer;
+ timer.Tic();
+ m_triangleListDecoder.Decode(ifs.GetCoordIndex(), ifs.GetNCoordIndex(), ifs.GetNCoord(), bstream, m_iterator);
+ timer.Toc();
+ m_stats.m_timeCoordIndex = timer.GetElapsedTime();
+ m_stats.m_streamSizeCoordIndex = m_iterator - m_stats.m_streamSizeCoordIndex;
+
+ // decode coord
+ m_stats.m_streamSizeCoord = m_iterator;
+ timer.Tic();
+ if (ifs.GetNCoord() > 0)
+ {
+ ret = DecodeFloatArray(ifs.GetCoord(), ifs.GetNCoord(), 3, 3, ifs.GetCoordMin(), ifs.GetCoordMax(),
+ m_params.GetCoordQuantBits(), ifs, m_params.GetCoordPredMode(), bstream);
+ }
+ if (ret != O3DGC_OK)
+ {
+ return ret;
+ }
+ timer.Toc();
+ m_stats.m_timeCoord = timer.GetElapsedTime();
+ m_stats.m_streamSizeCoord = m_iterator - m_stats.m_streamSizeCoord;
+
+ // decode Normal
+ m_stats.m_streamSizeNormal = m_iterator;
+ timer.Tic();
+ if (ifs.GetNNormal() > 0)
+ {
+ DecodeFloatArray(ifs.GetNormal(), ifs.GetNNormal(), 3, 3, ifs.GetNormalMin(), ifs.GetNormalMax(),
+ m_params.GetNormalQuantBits(), ifs, m_params.GetNormalPredMode(), bstream);
+ }
+ if (ret != O3DGC_OK)
+ {
+ return ret;
+ }
+ timer.Toc();
+ m_stats.m_timeNormal = timer.GetElapsedTime();
+ m_stats.m_streamSizeNormal = m_iterator - m_stats.m_streamSizeNormal;
+
+ // decode FloatAttributes
+ for(unsigned long a = 0; a < ifs.GetNumFloatAttributes(); ++a)
+ {
+ m_stats.m_streamSizeFloatAttribute[a] = m_iterator;
+ timer.Tic();
+ DecodeFloatArray(ifs.GetFloatAttribute(a), ifs.GetNFloatAttribute(a), ifs.GetFloatAttributeDim(a), ifs.GetFloatAttributeDim(a),
+ ifs.GetFloatAttributeMin(a), ifs.GetFloatAttributeMax(a),
+ m_params.GetFloatAttributeQuantBits(a), ifs, m_params.GetFloatAttributePredMode(a), bstream);
+ timer.Toc();
+ m_stats.m_timeFloatAttribute[a] = timer.GetElapsedTime();
+ m_stats.m_streamSizeFloatAttribute[a] = m_iterator - m_stats.m_streamSizeFloatAttribute[a];
+ }
+ if (ret != O3DGC_OK)
+ {
+ return ret;
+ }
+
+ // decode IntAttributes
+ for(unsigned long a = 0; a < ifs.GetNumIntAttributes(); ++a)
+ {
+ m_stats.m_streamSizeIntAttribute[a] = m_iterator;
+ timer.Tic();
+ DecodeIntArray(ifs.GetIntAttribute(a), ifs.GetNIntAttribute(a), ifs.GetIntAttributeDim(a), ifs.GetIntAttributeDim(a),
+ ifs, m_params.GetIntAttributePredMode(a), bstream);
+ timer.Toc();
+ m_stats.m_timeIntAttribute[a] = timer.GetElapsedTime();
+ m_stats.m_streamSizeIntAttribute[a] = m_iterator - m_stats.m_streamSizeIntAttribute[a];
+ }
+ if (ret != O3DGC_OK)
+ {
+ return ret;
+ }
+
+ timer.Tic();
+ m_triangleListDecoder.Reorder();
+ timer.Toc();
+ m_stats.m_timeReorder = timer.GetElapsedTime();
+
+#ifdef DEBUG_VERBOSE
+ fclose(g_fileDebugSC3DMCDec);
+#endif //DEBUG_VERBOSE
+ return ret;
+ }
+ template<class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::DecodeIntArray(long * const intArray,
+ unsigned long numIntArray,
+ unsigned long dimIntArray,
+ unsigned long stride,
+ const IndexedFaceSet<T> & ifs,
+ O3DGCSC3DMCPredictionMode & predMode,
+ const BinaryStream & bstream)
+ {
+ assert(dimIntArray < O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES);
+ long predResidual;
+ SC3DMCPredictor m_neighbors [O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS];
+ Arithmetic_Codec acd;
+ Static_Bit_Model bModel0;
+ Adaptive_Bit_Model bModel1;
+ Adaptive_Data_Model mModelPreds(O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS+1);
+ unsigned long nPred;
+
+ const AdjacencyInfo & v2T = m_triangleListDecoder.GetVertexToTriangle();
+ const T * const triangles = ifs.GetCoordIndex();
+ const long nvert = (long) numIntArray;
+ unsigned char * buffer = 0;
+ unsigned long start = m_iterator;
+ unsigned long streamSize = bstream.ReadUInt32(m_iterator, m_streamType); // bitsream size
+ unsigned char mask = bstream.ReadUChar(m_iterator, m_streamType);
+ O3DGCSC3DMCBinarization binarization = (O3DGCSC3DMCBinarization)((mask >> 4) & 7);
+ predMode = (O3DGCSC3DMCPredictionMode)(mask & 7);
+ streamSize -= (m_iterator - start);
+ unsigned long iteratorPred = m_iterator + streamSize;
+ unsigned int exp_k = 0;
+ unsigned int M = 0;
+ if (m_streamType != O3DGC_STREAM_TYPE_ASCII)
+ {
+ if (binarization != O3DGC_SC3DMC_BINARIZATION_AC_EGC)
+ {
+ return O3DGC_ERROR_CORRUPTED_STREAM;
+ }
+ bstream.GetBuffer(m_iterator, buffer);
+ m_iterator += streamSize;
+ acd.set_buffer(streamSize, buffer);
+ acd.start_decoder();
+ exp_k = acd.ExpGolombDecode(0, bModel0, bModel1);
+ M = acd.ExpGolombDecode(0, bModel0, bModel1);
+ }
+ else
+ {
+ if (binarization != O3DGC_SC3DMC_BINARIZATION_ASCII)
+ {
+ return O3DGC_ERROR_CORRUPTED_STREAM;
+ }
+ bstream.ReadUInt32(iteratorPred, m_streamType); // predictors bitsream size
+ }
+ Adaptive_Data_Model mModelValues(M+2);
+
+#ifdef DEBUG_VERBOSE
+ printf("IntArray (%i, %i)\n", numIntArray, dimIntArray);
+ fprintf(g_fileDebugSC3DMCDec, "IntArray (%i, %i)\n", numIntArray, dimIntArray);
+#endif //DEBUG_VERBOSE
+
+ for (long v=0; v < nvert; ++v)
+ {
+ nPred = 0;
+ if ( v2T.GetNumNeighbors(v) > 0 &&
+ predMode != O3DGC_SC3DMC_NO_PREDICTION)
+ {
+ int u0 = v2T.Begin(v);
+ int u1 = v2T.End(v);
+ for (long u = u0; u < u1; u++)
+ {
+ long ta = v2T.GetNeighbor(u);
+ if (ta < 0)
+ {
+ break;
+ }
+ for(long k = 0; k < 3; ++k)
+ {
+ long w = triangles[ta*3 + k];
+ if ( w < v )
+ {
+ SC3DMCTriplet id = {-1, -1, w};
+ unsigned long p = Insert(id, nPred, m_neighbors);
+ if (p != 0xFFFFFFFF)
+ {
+ for (unsigned long i = 0; i < dimIntArray; i++)
+ {
+ m_neighbors[p].m_pred[i] = intArray[w*stride+i];
+ }
+ }
+ }
+ }
+ }
+ }
+ if (nPred > 1)
+ {
+#ifdef DEBUG_VERBOSE1
+ printf("\t\t vm %i\n", v);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t vm %i\n", v);
+ for (unsigned long p = 0; p < nPred; ++p)
+ {
+ printf("\t\t pred a = %i b = %i c = %i \n", m_neighbors[p].m_id.m_a, m_neighbors[p].m_id.m_b, m_neighbors[p].m_id.m_c);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t pred a = %i b = %i c = %i \n", m_neighbors[p].m_id.m_a, m_neighbors[p].m_id.m_b, m_neighbors[p].m_id.m_c);
+ for (unsigned long i = 0; i < dimIntArray; ++i)
+ {
+ printf("\t\t\t %i\n", m_neighbors[p].m_pred[i]);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t\t %i\n", m_neighbors[p].m_pred[i]);
+ }
+ }
+#endif //DEBUG_VERBOSE
+ unsigned long bestPred;
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ bestPred = bstream.ReadUCharASCII(iteratorPred);
+ }
+ else
+ {
+ bestPred = acd.decode(mModelPreds);
+ }
+#ifdef DEBUG_VERBOSE1
+ printf("best (%i, %i, %i) \t pos %i\n", m_neighbors[bestPred].m_id.m_a, m_neighbors[bestPred].m_id.m_b, m_neighbors[bestPred].m_id.m_c, bestPred);
+ fprintf(g_fileDebugSC3DMCDec, "best (%i, %i, %i) \t pos %i\n", m_neighbors[bestPred].m_id.m_a, m_neighbors[bestPred].m_id.m_b, m_neighbors[bestPred].m_id.m_c, bestPred);
+#endif //DEBUG_VERBOSE
+ for (unsigned long i = 0; i < dimIntArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ intArray[v*stride+i] = predResidual + m_neighbors[bestPred].m_pred[i];
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i \t [%i]\n", v*dimIntArray+i, predResidual, m_neighbors[bestPred].m_pred[i]);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i \t [%i]\n", v*dimIntArray+i, predResidual, m_neighbors[bestPred].m_pred[i]);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ else if (v > 0 && predMode != O3DGC_SC3DMC_NO_PREDICTION)
+ {
+ for (unsigned long i = 0; i < dimIntArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ intArray[v*stride+i] = predResidual + intArray[(v-1)*stride+i];
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i\n", v*dimIntArray+i, predResidual);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i\n", v*dimIntArray+i, predResidual);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ else
+ {
+ for (unsigned long i = 0; i < dimIntArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadUIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeUIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ intArray[v*stride+i] = predResidual;
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i\n", v*dimIntArray+i, predResidual);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i\n", v*dimIntArray+i, predResidual);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ }
+ m_iterator = iteratorPred;
+#ifdef DEBUG_VERBOSE
+ fflush(g_fileDebugSC3DMCDec);
+#endif //DEBUG_VERBOSE
+ return O3DGC_OK;
+ }
+ template <class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::ProcessNormals(const IndexedFaceSet<T> & ifs)
+ {
+ const long nvert = (long) ifs.GetNNormal();
+ const unsigned long normalSize = ifs.GetNNormal() * 2;
+ if (m_normalsSize < normalSize)
+ {
+ delete [] m_normals;
+ m_normalsSize = normalSize;
+ m_normals = new Real [normalSize];
+ }
+ const AdjacencyInfo & v2T = m_triangleListDecoder.GetVertexToTriangle();
+ const T * const triangles = ifs.GetCoordIndex();
+ Vec3<long> p1, p2, p3, n0, nt;
+ long na0 = 0, nb0 = 0;
+ Real rna0, rnb0, norm0;
+ char ni0 = 0, ni1 = 0;
+ long a, b, c;
+ for (long v=0; v < nvert; ++v)
+ {
+ n0.X() = 0;
+ n0.Y() = 0;
+ n0.Z() = 0;
+ int u0 = v2T.Begin(v);
+ int u1 = v2T.End(v);
+ for (long u = u0; u < u1; u++)
+ {
+ long ta = v2T.GetNeighbor(u);
+ if (ta == -1)
+ {
+ break;
+ }
+ a = triangles[ta*3 + 0];
+ b = triangles[ta*3 + 1];
+ c = triangles[ta*3 + 2];
+ p1.X() = m_quantFloatArray[3*a];
+ p1.Y() = m_quantFloatArray[3*a+1];
+ p1.Z() = m_quantFloatArray[3*a+2];
+ p2.X() = m_quantFloatArray[3*b];
+ p2.Y() = m_quantFloatArray[3*b+1];
+ p2.Z() = m_quantFloatArray[3*b+2];
+ p3.X() = m_quantFloatArray[3*c];
+ p3.Y() = m_quantFloatArray[3*c+1];
+ p3.Z() = m_quantFloatArray[3*c+2];
+ nt = (p2-p1)^(p3-p1);
+ n0 += nt;
+ }
+ norm0 = (Real) n0.GetNorm();
+ if (norm0 == 0.0)
+ {
+ norm0 = 1.0;
+ }
+ SphereToCube(n0.X(), n0.Y(), n0.Z(), na0, nb0, ni0);
+
+
+ rna0 = na0 / norm0;
+ rnb0 = nb0 / norm0;
+ ni1 = ni0 + m_orientation[v];
+ m_orientation[v] = ni1;
+ if ( (ni1 >> 1) != (ni0 >> 1) )
+ {
+ rna0 = Real(0.0);
+ rnb0 = Real(0.0);
+ }
+ m_normals[2*v] = rna0;
+ m_normals[2*v+1] = rnb0;
+
+#ifdef DEBUG_VERBOSE1
+ printf("n0 \t %i \t %i \t %i \t %i (%f, %f)\n", v, n0.X(), n0.Y(), n0.Z(), rna0, rnb0);
+ fprintf(g_fileDebugSC3DMCDec, "n0 \t %i \t %i \t %i \t %i (%f, %f)\n", v, n0.X(), n0.Y(), n0.Z(), rna0, rnb0);
+#endif //DEBUG_VERBOSE
+
+ }
+ return O3DGC_OK;
+ }
+ template<class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::DecodeFloatArray(Real * const floatArray,
+ unsigned long numFloatArray,
+ unsigned long dimFloatArray,
+ unsigned long stride,
+ const Real * const minFloatArray,
+ const Real * const maxFloatArray,
+ unsigned long nQBits,
+ const IndexedFaceSet<T> & ifs,
+ O3DGCSC3DMCPredictionMode & predMode,
+ const BinaryStream & bstream)
+ {
+ assert(dimFloatArray < O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES);
+ long predResidual;
+ SC3DMCPredictor m_neighbors [O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS];
+ Arithmetic_Codec acd;
+ Static_Bit_Model bModel0;
+ Adaptive_Bit_Model bModel1;
+ Adaptive_Data_Model mModelPreds(O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS+1);
+ unsigned long nPred;
+
+ const AdjacencyInfo & v2T = m_triangleListDecoder.GetVertexToTriangle();
+ const T * const triangles = ifs.GetCoordIndex();
+ const long nvert = (long) numFloatArray;
+ const unsigned long size = numFloatArray * dimFloatArray;
+ unsigned char * buffer = 0;
+ unsigned long start = m_iterator;
+ unsigned long streamSize = bstream.ReadUInt32(m_iterator, m_streamType); // bitsream size
+ unsigned char mask = bstream.ReadUChar(m_iterator, m_streamType);
+ O3DGCSC3DMCBinarization binarization = (O3DGCSC3DMCBinarization)((mask >> 4) & 7);
+ predMode = (O3DGCSC3DMCPredictionMode)(mask & 7);
+ streamSize -= (m_iterator - start);
+ unsigned long iteratorPred = m_iterator + streamSize;
+ unsigned int exp_k = 0;
+ unsigned int M = 0;
+ if (m_streamType != O3DGC_STREAM_TYPE_ASCII)
+ {
+ if (binarization != O3DGC_SC3DMC_BINARIZATION_AC_EGC)
+ {
+ return O3DGC_ERROR_CORRUPTED_STREAM;
+ }
+ bstream.GetBuffer(m_iterator, buffer);
+ m_iterator += streamSize;
+ acd.set_buffer(streamSize, buffer);
+ acd.start_decoder();
+ exp_k = acd.ExpGolombDecode(0, bModel0, bModel1);
+ M = acd.ExpGolombDecode(0, bModel0, bModel1);
+ }
+ else
+ {
+ if (binarization != O3DGC_SC3DMC_BINARIZATION_ASCII)
+ {
+ return O3DGC_ERROR_CORRUPTED_STREAM;
+ }
+ bstream.ReadUInt32(iteratorPred, m_streamType); // predictors bitsream size
+ }
+ Adaptive_Data_Model mModelValues(M+2);
+
+
+ if (predMode == O3DGC_SC3DMC_SURF_NORMALS_PREDICTION)
+ {
+ m_orientation.Allocate(size);
+ m_orientation.Clear();
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ for(unsigned long i = 0; i < numFloatArray; ++i)
+ {
+ m_orientation.PushBack((unsigned char) bstream.ReadIntASCII(m_iterator));
+ }
+ }
+ else
+ {
+ Adaptive_Data_Model dModel(12);
+ for(unsigned long i = 0; i < numFloatArray; ++i)
+ {
+ m_orientation.PushBack((unsigned char) UIntToInt(acd.decode(dModel)));
+ }
+ }
+ ProcessNormals(ifs);
+ dimFloatArray = 2;
+ }
+#ifdef DEBUG_VERBOSE
+ printf("FloatArray (%i, %i)\n", numFloatArray, dimFloatArray);
+ fprintf(g_fileDebugSC3DMCDec, "FloatArray (%i, %i)\n", numFloatArray, dimFloatArray);
+#endif //DEBUG_VERBOSE
+
+ if (m_quantFloatArraySize < size)
+ {
+ delete [] m_quantFloatArray;
+ m_quantFloatArraySize = size;
+ m_quantFloatArray = new long [size];
+ }
+ for (long v=0; v < nvert; ++v)
+ {
+ nPred = 0;
+ if ( v2T.GetNumNeighbors(v) > 0 &&
+ predMode != O3DGC_SC3DMC_NO_PREDICTION)
+ {
+ int u0 = v2T.Begin(v);
+ int u1 = v2T.End(v);
+ for (long u = u0; u < u1; u++)
+ {
+ long ta = v2T.GetNeighbor(u);
+ if (ta < 0)
+ {
+ break;
+ }
+ if (predMode == O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION)
+ {
+ long a,b;
+ if ((long) triangles[ta*3] == v)
+ {
+ a = triangles[ta*3 + 1];
+ b = triangles[ta*3 + 2];
+ }
+ else if ((long)triangles[ta*3 + 1] == v)
+ {
+ a = triangles[ta*3 + 0];
+ b = triangles[ta*3 + 2];
+ }
+ else
+ {
+ a = triangles[ta*3 + 0];
+ b = triangles[ta*3 + 1];
+ }
+ if ( a < v && b < v)
+ {
+ int u0 = v2T.Begin(a);
+ int u1 = v2T.End(a);
+ for (long u = u0; u < u1; u++)
+ {
+ long tb = v2T.GetNeighbor(u);
+ if (tb < 0)
+ {
+ break;
+ }
+ long c = -1;
+ bool foundB = false;
+ for(long k = 0; k < 3; ++k)
+ {
+ long x = triangles[tb*3 + k];
+ if (x == b)
+ {
+ foundB = true;
+ }
+ if (x < v && x != a && x != b)
+ {
+ c = x;
+ }
+ }
+ if (c != -1 && foundB)
+ {
+ SC3DMCTriplet id = {min(a, b), max(a, b), -c-1};
+ unsigned long p = Insert(id, nPred, m_neighbors);
+ if (p != 0xFFFFFFFF)
+ {
+ for (unsigned long i = 0; i < dimFloatArray; i++)
+ {
+ m_neighbors[p].m_pred[i] = m_quantFloatArray[a*stride+i] +
+ m_quantFloatArray[b*stride+i] -
+ m_quantFloatArray[c*stride+i];
+ }
+ }
+ }
+ }
+ }
+ }
+ if ( predMode == O3DGC_SC3DMC_SURF_NORMALS_PREDICTION ||
+ predMode == O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION ||
+ predMode == O3DGC_SC3DMC_DIFFERENTIAL_PREDICTION )
+ {
+ for(long k = 0; k < 3; ++k)
+ {
+ long w = triangles[ta*3 + k];
+ if ( w < v )
+ {
+ SC3DMCTriplet id = {-1, -1, w};
+ unsigned long p = Insert(id, nPred, m_neighbors);
+ if (p != 0xFFFFFFFF)
+ {
+ for (unsigned long i = 0; i < dimFloatArray; i++)
+ {
+ m_neighbors[p].m_pred[i] = m_quantFloatArray[w*stride+i];
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ if (nPred > 1)
+ {
+#ifdef DEBUG_VERBOSE1
+ printf("\t\t vm %i\n", v);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t vm %i\n", v);
+ for (unsigned long p = 0; p < nPred; ++p)
+ {
+ printf("\t\t pred a = %i b = %i c = %i \n", m_neighbors[p].m_id.m_a, m_neighbors[p].m_id.m_b, m_neighbors[p].m_id.m_c);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t pred a = %i b = %i c = %i \n", m_neighbors[p].m_id.m_a, m_neighbors[p].m_id.m_b, m_neighbors[p].m_id.m_c);
+ for (unsigned long i = 0; i < dimFloatArray; ++i)
+ {
+ printf("\t\t\t %i\n", m_neighbors[p].m_pred[i]);
+ fprintf(g_fileDebugSC3DMCDec, "\t\t\t %i\n", m_neighbors[p].m_pred[i]);
+ }
+ }
+#endif //DEBUG_VERBOSE
+ unsigned long bestPred;
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ bestPred = bstream.ReadUCharASCII(iteratorPred);
+ }
+ else
+ {
+ bestPred = acd.decode(mModelPreds);
+ }
+#ifdef DEBUG_VERBOSE1
+ printf("best (%i, %i, %i) \t pos %i\n", m_neighbors[bestPred].m_id.m_a, m_neighbors[bestPred].m_id.m_b, m_neighbors[bestPred].m_id.m_c, bestPred);
+ fprintf(g_fileDebugSC3DMCDec, "best (%i, %i, %i) \t pos %i\n", m_neighbors[bestPred].m_id.m_a, m_neighbors[bestPred].m_id.m_b, m_neighbors[bestPred].m_id.m_c, bestPred);
+#endif //DEBUG_VERBOSE
+ for (unsigned long i = 0; i < dimFloatArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ m_quantFloatArray[v*stride+i] = predResidual + m_neighbors[bestPred].m_pred[i];
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i \t [%i]\n", v*dimFloatArray+i, predResidual, m_neighbors[bestPred].m_pred[i]);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i \t [%i]\n", v*dimFloatArray+i, predResidual, m_neighbors[bestPred].m_pred[i]);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ else if (v > 0 && predMode != O3DGC_SC3DMC_NO_PREDICTION)
+ {
+ for (unsigned long i = 0; i < dimFloatArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ m_quantFloatArray[v*stride+i] = predResidual + m_quantFloatArray[(v-1)*stride+i];
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i\n", v*dimFloatArray+i, predResidual);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i\n", v*dimFloatArray+i, predResidual);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ else
+ {
+ for (unsigned long i = 0; i < dimFloatArray; i++)
+ {
+ if (m_streamType == O3DGC_STREAM_TYPE_ASCII)
+ {
+ predResidual = bstream.ReadUIntASCII(m_iterator);
+ }
+ else
+ {
+ predResidual = DecodeUIntACEGC(acd, mModelValues, bModel0, bModel1, exp_k, M);
+ }
+ m_quantFloatArray[v*stride+i] = predResidual;
+#ifdef DEBUG_VERBOSE
+ printf("%i \t %i\n", v*dimFloatArray+i, predResidual);
+ fprintf(g_fileDebugSC3DMCDec, "%i \t %i\n", v*dimFloatArray+i, predResidual);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ }
+ m_iterator = iteratorPred;
+ if (predMode == O3DGC_SC3DMC_SURF_NORMALS_PREDICTION)
+ {
+ const Real minNormal[2] = {(Real)(-2),(Real)(-2)};
+ const Real maxNormal[2] = {(Real)(2),(Real)(2)};
+ Real na1, nb1;
+ Real na0, nb0;
+ char ni1;
+ IQuantizeFloatArray(floatArray, numFloatArray, dimFloatArray, stride, minNormal, maxNormal, nQBits+1);
+ for (long v=0; v < nvert; ++v)
+ {
+ na0 = m_normals[2*v];
+ nb0 = m_normals[2*v+1];
+ na1 = floatArray[stride*v] + na0;
+ nb1 = floatArray[stride*v+1] + nb0;
+ ni1 = m_orientation[v];
+
+ CubeToSphere(na1, nb1, ni1,
+ floatArray[stride*v],
+ floatArray[stride*v+1],
+ floatArray[stride*v+2]);
+
+#ifdef DEBUG_VERBOSE1
+ printf("normal \t %i \t %f \t %f \t %f \t (%i, %f, %f) \t (%f, %f)\n",
+ v,
+ floatArray[stride*v],
+ floatArray[stride*v+1],
+ floatArray[stride*v+2],
+ ni1, na1, nb1,
+ na0, nb0);
+ fprintf(g_fileDebugSC3DMCDec, "normal \t %i \t %f \t %f \t %f \t (%i, %f, %f) \t (%f, %f)\n",
+ v,
+ floatArray[stride*v],
+ floatArray[stride*v+1],
+ floatArray[stride*v+2],
+ ni1, na1, nb1,
+ na0, nb0);
+#endif //DEBUG_VERBOSE
+ }
+ }
+ else
+ {
+ IQuantizeFloatArray(floatArray, numFloatArray, dimFloatArray, stride, minFloatArray, maxFloatArray, nQBits);
+ }
+#ifdef DEBUG_VERBOSE
+ fflush(g_fileDebugSC3DMCDec);
+#endif //DEBUG_VERBOSE
+ return O3DGC_OK;
+ }
+ template<class T>
+ O3DGCErrorCode SC3DMCDecoder<T>::IQuantizeFloatArray(Real * const floatArray,
+ unsigned long numFloatArray,
+ unsigned long dimFloatArray,
+ unsigned long stride,
+ const Real * const minFloatArray,
+ const Real * const maxFloatArray,
+ unsigned long nQBits)
+ {
+
+ Real idelta[O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES];
+ Real r;
+ for(unsigned long d = 0; d < dimFloatArray; d++)
+ {
+ r = maxFloatArray[d] - minFloatArray[d];
+ if (r > 0.0f)
+ {
+ idelta[d] = r/(float)((1 << nQBits) - 1);
+ }
+ else
+ {
+ idelta[d] = 1.0f;
+ }
+ }
+ for(unsigned long v = 0; v < numFloatArray; ++v)
+ {
+ for(unsigned long d = 0; d < dimFloatArray; ++d) {
+ floatArray[v * stride + d] = m_quantFloatArray[v * stride + d] * idelta[d] + minFloatArray[d];
+ }
+ }
+ return O3DGC_OK;
+ }
+} // namespace o3dgc
+
+#ifdef _MSC_VER
+# pragma warning( pop )
+#endif // _MSC_VER
+
+#endif // O3DGC_SC3DMC_DECODER_INL
+
+