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Add unit tests for xGetHADs functions #627

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Nov 27, 2025
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Add unit tests for xGetHADs functions #627

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46 changes: 46 additions & 0 deletions test/vvenc_unit_test/vvenc_unit_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1299,6 +1299,46 @@ static bool check_SAD( RdCost* ref, RdCost* opt, unsigned num_cases, int width,
return passed;
}

static bool check_HADs( RdCost* ref, RdCost* opt, unsigned num_cases, int width, int height, bool fast )
{
std::ostringstream sstm;
const char* fast_str = fast ? "_fast" : "";
sstm << "RdCost::m_afpDistortFunc[0][DF_HAD" << width << fast_str << "] "
<< " w=" << width << " h=" << height;
printf( "Testing %s\n", sstm.str().c_str() );

DimensionGenerator rng;
InputGenerator<Pel> g10{ 10, /*is_signed=*/false };

bool passed = true;
for( unsigned i = 0; i < num_cases; i++ )
{
int org_stride = rng.get( width, g_fastUnitTest ? 256 : 1024 );
int cur_stride = rng.get( width, g_fastUnitTest ? 256 : 1024 );
std::vector<Pel> orgBuf( org_stride * height );
std::vector<Pel> curBuf( cur_stride * height );

DistParam dtParam;
dtParam.org.buf = orgBuf.data();
dtParam.org.stride = org_stride;
dtParam.cur.buf = curBuf.data();
dtParam.cur.stride = cur_stride;
dtParam.org.width = width;
dtParam.org.height = height;
dtParam.bitDepth = 10;
dtParam.applyWeight = 0; // applyWeight appears to be always zero.

std::generate( orgBuf.begin(), orgBuf.end(), g10 );
std::generate( curBuf.begin(), curBuf.end(), g10 );

const int index = ( fast ? DF_HAD_fast : DF_HAD ) + log2( width );
Distortion sum_ref = ref->m_afpDistortFunc[0][( DFunc )( index )]( dtParam );
Distortion sum_opt = opt->m_afpDistortFunc[0][( DFunc )( index )]( dtParam );
passed = compare_value( sstm.str(), sum_ref, sum_opt ) && passed;
}
return passed;
}

static bool check_SADwMask( RdCost* ref, RdCost* opt, unsigned num_cases, int width, int height )
{
std::ostringstream sstm;
Expand Down Expand Up @@ -1366,6 +1406,12 @@ static bool test_RdCost()
passed = check_fixWeightedSSE( &ref, &opt, num_cases, w, h ) && passed;
passed = check_SAD( &ref, &opt, num_cases, w, h ) && passed;

if( w >= 2 )
{
passed = check_HADs( &ref, &opt, num_cases, w, h, /*fast=*/true ) && passed;
passed = check_HADs( &ref, &opt, num_cases, w, h, /*fast=*/false ) && passed;
}

if (w >= 8 && h >= 8)
{
passed = check_SADwMask( &ref, &opt, num_cases, w, h ) && passed;
Expand Down