| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* ---- includes ----------------------------------------------------------- */ |
| |
| #include "b_BasicEm/Functions.h" |
| #include "b_BasicEm/Math.h" |
| #include "b_BitFeatureEm/L04Tld2x4Ftr.h" |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ auxiliary functions } ---------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ constructor / destructor } ----------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| void bbf_L04Tld2x4Ftr_init( struct bbs_Context* cpA, |
| struct bbf_L04Tld2x4Ftr* ptrA ) |
| { |
| bbf_Feature_init( cpA, &ptrA->baseE ); |
| ptrA->baseE.typeE = ( uint32 )bbf_FT_L04_TLD_2X4_FTR; |
| ptrA->baseE.vpActivityE = bbf_L04Tld2x4Ftr_activity; |
| bbs_UInt32Arr_init( cpA, &ptrA->dataArrE ); |
| ptrA->activityFactorE = 0; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| void bbf_L04Tld2x4Ftr_exit( struct bbs_Context* cpA, |
| struct bbf_L04Tld2x4Ftr* ptrA ) |
| { |
| bbf_Feature_exit( cpA, &ptrA->baseE ); |
| bbs_UInt32Arr_exit( cpA, &ptrA->dataArrE ); |
| ptrA->activityFactorE = 0; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ operators } -------------------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| void bbf_L04Tld2x4Ftr_copy( struct bbs_Context* cpA, |
| struct bbf_L04Tld2x4Ftr* ptrA, |
| const struct bbf_L04Tld2x4Ftr* srcPtrA ) |
| { |
| bbf_Feature_copy( cpA, &ptrA->baseE, &srcPtrA->baseE ); |
| bbs_UInt32Arr_copy( cpA, &ptrA->dataArrE, &srcPtrA->dataArrE ); |
| ptrA->activityFactorE = srcPtrA->activityFactorE; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| flag bbf_L04Tld2x4Ftr_equal( struct bbs_Context* cpA, |
| const struct bbf_L04Tld2x4Ftr* ptrA, |
| const struct bbf_L04Tld2x4Ftr* srcPtrA ) |
| { |
| if( !bbf_Feature_equal( cpA, &ptrA->baseE, &srcPtrA->baseE ) ) return FALSE; |
| if( !bbs_UInt32Arr_equal( cpA, &ptrA->dataArrE, &srcPtrA->dataArrE ) ) return FALSE; |
| if( ptrA->activityFactorE != srcPtrA->activityFactorE ) return FALSE; |
| return TRUE; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ query functions } -------------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ modify functions } ------------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ I/O } -------------------------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| uint32 bbf_L04Tld2x4Ftr_memSize( struct bbs_Context* cpA, |
| const struct bbf_L04Tld2x4Ftr* ptrA ) |
| { |
| uint32 memSizeL = bbs_SIZEOF16( uint32 ) + |
| bbs_SIZEOF16( uint32 ); /* version */ |
| |
| memSizeL += bbf_Feature_memSize( cpA, &ptrA->baseE ); |
| memSizeL += bbs_UInt32Arr_memSize( cpA, &ptrA->dataArrE ); |
| memSizeL += bbs_SIZEOF16( ptrA->activityFactorE ); |
| |
| return memSizeL; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| uint32 bbf_L04Tld2x4Ftr_memWrite( struct bbs_Context* cpA, |
| const struct bbf_L04Tld2x4Ftr* ptrA, |
| uint16* memPtrA ) |
| { |
| uint32 memSizeL = bbf_L04Tld2x4Ftr_memSize( cpA, ptrA ); |
| memPtrA += bbs_memWrite32( &memSizeL, memPtrA ); |
| memPtrA += bbs_memWriteUInt32( bbf_L04_TLD_2X4_FTR_VERSION, memPtrA ); |
| memPtrA += bbf_Feature_memWrite( cpA, &ptrA->baseE, memPtrA ); |
| memPtrA += bbs_UInt32Arr_memWrite( cpA, &ptrA->dataArrE, memPtrA ); |
| memPtrA += bbs_memWrite32( &ptrA->activityFactorE, memPtrA ); |
| return memSizeL; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| uint32 bbf_L04Tld2x4Ftr_memRead( struct bbs_Context* cpA, |
| struct bbf_L04Tld2x4Ftr* ptrA, |
| const uint16* memPtrA, |
| struct bbs_MemTbl* mtpA ) |
| { |
| uint32 memSizeL, versionL; |
| struct bbs_MemTbl memTblL = *mtpA; |
| struct bbs_MemSeg* espL = bbs_MemTbl_fastestSegPtr( cpA, &memTblL, 0 ); |
| if( bbs_Context_error( cpA ) ) return 0; |
| memPtrA += bbs_memRead32( &memSizeL, memPtrA ); |
| memPtrA += bbs_memReadVersion32( cpA, &versionL, bbf_L04_TLD_2X4_FTR_VERSION, memPtrA ); |
| memPtrA += bbf_Feature_memRead( cpA, &ptrA->baseE, memPtrA ); |
| memPtrA += bbs_UInt32Arr_memRead( cpA, &ptrA->dataArrE, memPtrA, espL ); |
| memPtrA += bbs_memRead32( &ptrA->activityFactorE, memPtrA ); |
| if( memSizeL != bbf_L04Tld2x4Ftr_memSize( cpA, ptrA ) ) |
| { |
| bbs_ERR0( bbs_ERR_CORRUPT_DATA, "uint32 bbf_L04Tld2x4Ftr_memRead( struct bem_ScanGradientMove* ptrA, const uint16* memPtrA ):\n" |
| "size mismatch" ); |
| return 0; |
| } |
| |
| return memSizeL; |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| /* */ |
| /* ---- \ghd{ exec functions } --------------------------------------------- */ |
| /* */ |
| /* ========================================================================= */ |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| int32 bbf_L04Tld2x4Ftr_activity( const struct bbf_Feature* ptrA, const uint32* patchA ) |
| { |
| const struct bbf_L04Tld2x4Ftr* ptrL = ( struct bbf_L04Tld2x4Ftr* )ptrA; |
| |
| const uint32* dataPtrL = ptrL->dataArrE.arrPtrE; |
| const uint32* patchL = patchA; |
| |
| uint32 iL; |
| |
| uint32 bL[ 4 ] = { 0, 0, 0, 0 }; /* bit sum */ |
| |
| for( iL = ptrL->baseE.patchWidthE >> 3; iL > 0; iL-- ) |
| { |
| uint32 vL; |
| |
| /* compare with pattern */ |
| uint32 s1L = patchL[ 0 ] ^ dataPtrL[ 0 ]; |
| uint32 s2L = patchL[ 1 ] ^ dataPtrL[ 1 ]; |
| |
| /* bit count */ |
| s1L = ( s1L & 0x55555555 ) + ( ( s1L >> 1 ) & 0x55555555 ); |
| s1L = ( s1L & 0x33333333 ) + ( ( s1L >> 2 ) & 0x33333333 ); |
| s2L = ( s2L & 0x55555555 ) + ( ( s2L >> 1 ) & 0x55555555 ); |
| s2L = ( s2L & 0x33333333 ) + ( ( s2L >> 2 ) & 0x33333333 ); |
| |
| /* compare with threshold and store results in vL */ |
| vL = ( ( s1L + s2L + dataPtrL[ 2 ] ) & 0x88888888 ) >> 3; |
| |
| /* compare with pattern */ |
| s1L = patchL[ 2 ] ^ dataPtrL[ 3 ]; |
| s2L = patchL[ 3 ] ^ dataPtrL[ 4 ]; |
| |
| /* bit count */ |
| s1L = ( s1L & 0x55555555 ) + ( ( s1L >> 1 ) & 0x55555555 ); |
| s1L = ( s1L & 0x33333333 ) + ( ( s1L >> 2 ) & 0x33333333 ); |
| s2L = ( s2L & 0x55555555 ) + ( ( s2L >> 1 ) & 0x55555555 ); |
| s2L = ( s2L & 0x33333333 ) + ( ( s2L >> 2 ) & 0x33333333 ); |
| |
| /* compare with threshold and store results in vL */ |
| vL |= ( ( s1L + s2L + dataPtrL[ 5 ] ) & 0x88888888 ) >> 2; |
| |
| /* compare with pattern */ |
| s1L = patchL[ 4 ] ^ dataPtrL[ 6 ]; |
| s2L = patchL[ 5 ] ^ dataPtrL[ 7 ]; |
| |
| /* bit count */ |
| s1L = ( s1L & 0x55555555 ) + ( ( s1L >> 1 ) & 0x55555555 ); |
| s1L = ( s1L & 0x33333333 ) + ( ( s1L >> 2 ) & 0x33333333 ); |
| s2L = ( s2L & 0x55555555 ) + ( ( s2L >> 1 ) & 0x55555555 ); |
| s2L = ( s2L & 0x33333333 ) + ( ( s2L >> 2 ) & 0x33333333 ); |
| |
| /* compare with threshold and store results in vL */ |
| vL |= ( ( s1L + s2L + dataPtrL[ 8 ] ) & 0x88888888 ) >> 1; |
| |
| /* compare with pattern */ |
| s1L = patchL[ 6 ] ^ dataPtrL[ 9 ]; |
| s2L = patchL[ 7 ] ^ dataPtrL[ 10 ]; |
| |
| /* bit count */ |
| s1L = ( s1L & 0x55555555 ) + ( ( s1L >> 1 ) & 0x55555555 ); |
| s1L = ( s1L & 0x33333333 ) + ( ( s1L >> 2 ) & 0x33333333 ); |
| s2L = ( s2L & 0x55555555 ) + ( ( s2L >> 1 ) & 0x55555555 ); |
| s2L = ( s2L & 0x33333333 ) + ( ( s2L >> 2 ) & 0x33333333 ); |
| |
| /* compare with threshold and store results in vL */ |
| vL |= ( ( s1L + s2L + dataPtrL[ 11 ] ) & 0x88888888 ); |
| |
| /* invert bits */ |
| vL = ~vL; |
| |
| { |
| uint32 vmL; |
| vmL = vL & dataPtrL[ 12 ]; |
| bL[ 0 ] += bbf_BIT_SUM_32( vmL ); |
| vmL = vL & dataPtrL[ 13 ]; |
| bL[ 1 ] += bbf_BIT_SUM_32( vmL); |
| vmL = vL & dataPtrL[ 14 ]; |
| bL[ 2 ] += bbf_BIT_SUM_32( vmL ); |
| vmL = vL & dataPtrL[ 15 ]; |
| bL[ 3 ] += bbf_BIT_SUM_32( vmL ); |
| } |
| |
| dataPtrL += 16; |
| patchL += 8; |
| } |
| |
| /* compute final activity */ |
| { |
| uint32 actL = ( ( bL[ 0 ] << 3 ) + ( bL[ 1 ] << 2 ) + ( bL[ 2 ] << 1 ) + bL[ 3 ] ); |
| return actL * ptrL->activityFactorE; |
| } |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| |
| /* ========================================================================= */ |
| |