Remove inverse transform transpose

08.decoding.process.md

@@ -4408,20 +4408,6 @@ CurrFrame.
 
 The reconstruction and dequantization process is defined as follows:
 
-The variable transpose is set equal to ( Tx_Width[ txSz ] > Tx_Height[ txSz ] ).
-
-The variable txSize is derived as follows:
-
-  * If transpose is equal to 1, txSize is set equal to Transpose_Tx_Size[ txSz ].
-
-  * Otherwise (transpose is equal to 0), txSize is set equal to txSz.
-
-The variable txType is derived as follows:
-
-  * If transpose is equal to 1, txType is set equal to Transpose_Tx_Type[ PlaneTxType ].
-
-  * Otherwise (transpose is equal to 0), txType is set equal to PlaneTxType.
-
 The variable dqDenom is derived as follows:
 
   * If txSz is equal to TX_32X32, TX_16X32, TX_32X16, TX_16X64, or TX_64X16, dqDenom is set equal to 2.
@@ -4446,11 +4432,11 @@ The variable tw is set equal to Min( 32, w ).
 
 The variable th is set equal to Min( 32, h ).
 
-The variable flipUD is derived as follows. If txType is equal to one of FLIPADST_DCT, 
+The variable flipUD is derived as follows. If PlaneTxType is equal to one of FLIPADST_DCT, 
 FLIPADST_ADST, V_FLIPADST, or FLIPADST_FLIPADST, flipUD is set equal to 1. Otherwise, 
 flipUD is set equal to 0.
 
-The variable flipLR is derived as follows. If txType is equal to one of DCT_FLIPADST, 
+The variable flipLR is derived as follows. If PlaneTxType is equal to one of DCT_FLIPADST, 
 ADST_FLIPADST, H_FLIPADST, or FLIPADST_FLIPADST, flipLR is set equal to 1. Otherwise, 
 flipLR is set equal to 0.
 
@@ -4480,7 +4466,7 @@ The following ordered steps apply:
       f. Dequant[ i ][ j ] is set equal to Clip3( - ( 1 \<\< ( 7 + BitDepth ) ), ( 1 \<\< ( 7 + BitDepth ) ) - 1, dq2 ).
 
   2. Invoke the 2D inverse transform block process defined in [section 7.12.2][]
-     with the variables txSize, txType and transpose as input. The inverse transform outputs are stored
+     with the variable txSz as input. The inverse transform outputs are stored
      in the Residual buffer.
 
   3. For i = 0..(h-1), for j = 0..(w-1), the following applies:
@@ -4490,7 +4476,7 @@ The following ordered steps apply:
       * The variable yy is set equal to flipUD ? ( h - i - 1 ) : i.
 
       * CurrFrame[ plane ][ y + yy ][ x + xx ] is set equal to
-        Clip1( CurrFrame[ plane ][ y + yy ][ x + xx ] + ( transpose ? Residual[ j ][ i ] : Residual[ i ][ j ] ) ).
+        Clip1( CurrFrame[ plane ][ y + yy ][ x + xx ] + Residual[ i ][ j ] ).
 
 It is a requirement of bitstream conformance that the values written into the
 Residual array in step 2 are representable by a signed integer with 8 + BitDepth bits.
@@ -5042,13 +5028,7 @@ The process to invoke depends on n as follows:
 This process performs a 2D inverse transform for an array of coefficients stored in the
 2D array Dequant. The output is placed in the 2D array Residual.
 
-The inputs to this process are:
-
-  * a variable txSz that specifies the transform size,
-
-  * a variable txType that specifies the transform type,
-
-  * a variable transpose, which, if equal to 1, signifies that the transform should be transposed.
+The input to this process is a variable txSz that specifies the transform size.
 
 Set the variable log2W equal to Tx_Width_Log2[ txSz ].
 
@@ -5070,8 +5050,7 @@ The row transforms with i = 0..(h-1) are applied as follows:
 
   * T[ j ] is derived as follows for j = 0..(w-1):
 
-      * If i and j are both less than 32, T[ j ] is set equal to ( transpose ? Dequant[ j ][ i ]
-        \: Dequant[ i ][ j ] ).
+      * If i and j are both less than 32, T[ j ] is set equal to Dequant[ i ][ j ].
 
       * Otherwise, T[ j ] is set equal to 0.
 
@@ -5081,11 +5060,11 @@ The row transforms with i = 0..(h-1) are applied as follows:
   * If Lossless is equal to 1, invoke the Inverse WHT process as specified in
     [section 7.12.1.10][] with shift equal to 2.
 
-  * Otherwise, if txType is equal to one of DCT_DCT, ADST_DCT, FLIPADST_DCT or H_DCT,
+  * Otherwise, if PlaneTxType is equal to one of DCT_DCT, ADST_DCT, FLIPADST_DCT or H_DCT,
     invoke the inverse DCT process as specified in [section 7.12.1.3][] with the
     input variable n equal to log2W and the input variable r equal to rowClampRange.
 
-  * Otherwise, if txType is equal to one of DCT_ADST, ADST_ADST, DCT_FLIPADST, FLIPADST_FLIPADST, 
+  * Otherwise, if PlaneTxType is equal to one of DCT_ADST, ADST_ADST, DCT_FLIPADST, FLIPADST_FLIPADST, 
     ADST_FLIPADST, FLIPADST_ADST, H_ADST, or H_FLIPADST, invoke the inverse ADST process as 
     specified in [section 7.12.1.9][] with input variable n equal to log2W and the input variable
     r equal to rowClampRange.
@@ -5105,12 +5084,12 @@ The column transforms with j = 0..(w-1) are applied as follows:
   * If Lossless is equal to 1, invoke the Inverse WHT process as specified in
     [section 7.12.1.10][] with shift equal to 0.
 
-  * Otherwise, if txType is equal to one of DCT_DCT, DCT_ADST, DCT_FLIPADST or
+  * Otherwise, if PlaneTxType is equal to one of DCT_DCT, DCT_ADST, DCT_FLIPADST or
     V_DCT, invoke the inverse DCT process as specified in [section 7.12.1.3][]
     with the input variable n equal to log2H and the input variable r equal to
     colClampRange.
 
-  * Otherwise, if txType is equal to one of ADST_DCT, ADST_ADST, FLIPADST_DCT, 
+  * Otherwise, if PlaneTxType is equal to one of ADST_DCT, ADST_ADST, FLIPADST_DCT, 
     FLIPADST_FLIPADST, ADST_FLIPADST, FLIPADST_ADST, V_ADST, or V_FLIPADST,
     invoke the inverse ADST process as specified in [section 7.12.1.9][] with input variable n equal to
     log2H and the input variable r equal to