JVET_L0118_ALIGN_MTS_INDEX : Align mts_index on intra and inter

source/Lib/CommonLib/Rom.cpp

@@ -597,7 +597,11 @@ const int g_invQuantScales[SCALING_LIST_REM_NUM] =
 //structures
 //EMT transform sets
 const int g_aiTrSubsetIntra[3][2] = { { DST7, DCT8 }, { DST7, DCT8 }, { DST7, DCT8 } };
+#if JVET_L0118_ALIGN_MTS_INDEX
+const int g_aiTrSubsetInter[4] = { DST7, DCT8 };
+#else
 const int g_aiTrSubsetInter[4] = { DCT8, DST7 };
+#endif
 
 const uint8_t g_aucTrSetVert[NUM_INTRA_MODE - 1] =
 {//0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

source/Lib/CommonLib/TypeDef.h

@@ -50,6 +50,8 @@
 #include <assert.h>
 #include <cassert>
 
+#define JVET_L0118_ALIGN_MTS_INDEX                        1 // Align mts_index on intra and inter
+
 #define JVET_L0285_8BIT_TRANSFORM_CORE                    1 // Primary transform using 8-bit cores
 
 #define JVET_L0081_VPDU_SPLIT_CONSTRAINTS                 1 // VPDU constraints for binary and ternary partitions