/** * HEVC Encoder * - Marko Viitanen ( fador at iki.fi ), Tampere University of Technology, Department of Computer Systems. */ /*! \file context.h \brief Context \author Marko Viitanen \date 2012-08 Context derivation function headers */ #ifndef __CONTEXT_H #define __CONTEXT_H void init_contexts(encoder_control *encoder); /* CONTEXTS */ extern cabac_ctx *SplitFlagSCModel; extern cabac_ctx g_SplitFlagSCModel[3]; extern cabac_ctx g_IntraModeSCModel; extern cabac_ctx g_ChromaPredSCModel[2]; extern cabac_ctx g_TransSubdivSCModel[4]; extern cabac_ctx g_QtCbfSCModelY[3]; extern cabac_ctx g_QtCbfSCModelU[3]; extern cabac_ctx g_PartSizeSCModel; extern cabac_ctx g_CUSigCoeffGroupSCModel[4]; extern cabac_ctx g_CUSigSCModel_luma[24]; extern cabac_ctx g_CUSigSCModel_chroma[24]; extern cabac_ctx g_CuCtxLastY_luma[15]; extern cabac_ctx g_CuCtxLastY_chroma[15]; extern cabac_ctx g_CuCtxLastX_luma[15]; extern cabac_ctx g_CuCtxLastX_chroma[15]; extern cabac_ctx g_CUOneSCModel_luma[24]; static const uint8_t INIT_SPLIT_FLAG[3][3] = { { 107, 139, 126 }, { 107, 139, 126 }, { 139, 141, 157 } }; static const uint8_t INIT_INTRA_PRED_MODE[3] = { 183,154,184 }; static const uint8_t INIT_CHROMA_PRED_MODE[3][2] = { { 152, 139 }, { 152, 139 }, { 63, 139 } }; #define CNU 154 static const uint8_t INIT_TRANS_SUBDIV_FLAG[3][4] = { { CNU, 153, 138, 138 }, { CNU, 124, 138, 94 }, { CNU, 224, 167, 122 } }; static const uint8_t INIT_QT_CBF[3][6] = { { 153, 111, CNU, 149, 92, 167 }, { 153, 111, CNU, 149, 107, 167 }, { 111, 141, CNU, 94, 138, 182 } }; static const uint8_t INIT_SIG_CG_FLAG[3][4] = { { 121, 140, 61, 154 }, { 121, 140, 61, 154 }, { 91, 171, 134, 141 } }; static const uint8_t INIT_SIG_FLAG[3][45] = {{170,154,139,153,139,123,123, 63,124,153,153,152,152,152,137,152,137,137,166,183,140,136,153, 154,170,153,138,138,122,121,122,121,167,153,167,136,121,122,136,121,122, 91,151,183,140,}, {155,154,139,153,139,123,123, 63,153,153,153,152,152,152,137,152,137,122,166,183,140,136,153, 154,170,153,123,123,107,121,107,121,167,153,167,136,149,107,136,121,122, 91,151,183,140,}, {111,111,125,110,110, 94,124,108,124,139,139,139,168,124,138,124,138,107,107,125,141,179,153, 125,140,139,182,182,152,136,152,136,153,182,137,149,192,152,224,136, 31,136,136,139,111,} }; static const uint8_t INIT_LAST[3][30] = { { 125, 110, 124, 110, 95, 94, 125, 111, 111, 79, 125, 126, 111, 111, 79, 108, 123, 93, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU }, { 125, 110, 94, 110, 95, 79, 125, 111, 110, 78, 110, 111, 111, 95, 94, 108, 123, 108, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU }, { 110, 110, 124, 125, 140, 153, 125, 127, 140, 109, 111, 143, 127, 111, 79, 108, 123, 63, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU } }; static const uint8_t INIT_ONE_FLAG[3][24] = { {154,196,167,167,154,152,167,182,182,134,149,136,153,121,136,122,169,208,166,167,154,152,167,182}, {154,196,196,167,154,152,167,182,182,134,149,136,153,121,136,137,169,194,166,167,154,167,137,182}, {140, 92,137,138,140,152,138,139,153, 74,149, 92,139,107,122,152,140,179,166,182,140,227,122,197} }; #endif