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LibVideo/VP9: Use unit conversion functions in BlockContext

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This should make things in there seem a little less magical :^)
This commit is contained in:
Zaggy1024 2022-11-28 05:10:39 -06:00 • committed by Andreas Kling
parent 1fe22f2141
commit 720fc5a853
2 changed files with 16 additions and 4 deletions
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8
Userland/Libraries/LibVideo/VP9/Context.h
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@ -69,14 +69,14 @@ public:
m_size = size;
// From spec, compute_image_size( )
m_rows = (size.height() + 7u) >> 3u;
m_columns = (size.width() + 7u) >> 3u;
m_rows = pixels_to_blocks(size.height() + 7u);
m_columns = pixels_to_blocks(size.width() + 7u);
return m_block_contexts.try_resize(m_rows, m_columns);
}
u32 rows() const { return m_rows; }
u32 columns() const { return m_columns; }
u32 superblock_rows() const { return (rows() + 7u) >> 3u; }
u32 superblock_columns() const { return (columns() + 7u) >> 3u; }
u32 superblock_rows() const { return blocks_to_superblocks(rows() + 7u); }
u32 superblock_columns() const { return blocks_to_superblocks(columns() + 7u); }
Vector2D<FrameBlockContext> const& block_contexts() const { return m_block_contexts; }

12
Userland/Libraries/LibVideo/VP9/Utilities.h
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@ -60,6 +60,18 @@ inline Gfx::Size<u8> block_size_to_sub_blocks(BlockSubsize size)
return Gfx::Size<u8>(num_4x4_blocks_wide_lookup[size], num_4x4_blocks_high_lookup[size]);
}
template<Integral T>
inline T blocks_to_superblocks(T blocks)
{
return blocks >> 3;
}
template<Integral T>
inline T superblocks_to_blocks(T superblocks)
{
return superblocks << 3;
}
template<Integral T>
inline T blocks_to_sub_blocks(T blocks)
{