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Fix bsinc filter alignment and offsets

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This commit is contained in:
Chris Robinson
2020-04-02 02:13:18 -07:00
parent 57109902cd
commit ee89ca1bdd
1 changed files with 3 additions and 3 deletions
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common/bsinc_tables.cpp
+3 -3
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@@ -316,8 +316,8 @@ constexpr auto GenerateBSincCoeffs(const BSincHeader hdr)
}
/* FIXME: These can't be constexpr due to reaching the step limit. */
const auto bsinc12_table = GenerateBSincCoeffs<bsinc12_hdr.total_size>(bsinc12_hdr);
const auto bsinc24_table = GenerateBSincCoeffs<bsinc24_hdr.total_size>(bsinc24_hdr);
alignas(16) const auto bsinc12_table = GenerateBSincCoeffs<bsinc12_hdr.total_size>(bsinc12_hdr);
alignas(16) const auto bsinc24_table = GenerateBSincCoeffs<bsinc24_hdr.total_size>(bsinc24_hdr);
constexpr BSincTable GenerateBSincTable(const BSincHeader hdr, const float *tab)
@@ -329,7 +329,7 @@ constexpr BSincTable GenerateBSincTable(const BSincHeader hdr, const float *tab)
ret.m[i] = static_cast<unsigned int>(((hdr.a[i]*2) + 3) & ~3);
ret.filterOffset[0] = 0;
for(int i{1};i < BSincScaleCount;++i)
ret.filterOffset[i] = ret.filterOffset[i-1] + ret.m[i-1];
ret.filterOffset[i] = ret.filterOffset[i-1] + ret.m[i-1]*4*BSincPhaseCount;
ret.Tab = tab;
return ret;
}