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LibVideo/VP9: Start parsing residuals (6.4.21-6.4.23)

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Additionally, this uncovered a couple bugs with existing code,
so those have been fixed. Currently, parsing a whole video does
fail because we are now using a new calculation for frame width,
but it hasn't been fully implemented yet.
This commit is contained in:
FalseHonesty 2021-06-26 16:30:44 -04:00 • committed by Andreas Kling
parent cbff7c386a
commit 66628053d4
4 changed files with 131 additions and 8 deletions
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16
Userland/Libraries/LibVideo/VP9/LookupTables.h
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@ -200,4 +200,20 @@ static constexpr TXSize max_txsize_lookup[BLOCK_SIZES] = {
TX_32x32,
};
static constexpr BlockSubsize ss_size_lookup[BLOCK_SIZES][2][2] = {
{ { Block_4x4, Block_Invalid }, { Block_Invalid, Block_Invalid } },
{ { Block_4x8, Block_4x4 }, { Block_Invalid, Block_Invalid } },
{ { Block_8x4, Block_Invalid }, { Block_4x4, Block_Invalid } },
{ { Block_8x8, Block_8x4 }, { Block_4x8, Block_4x4 } },
{ { Block_8x16, Block_8x8 }, { Block_Invalid, Block_4x8 } },
{ { Block_16x8, Block_Invalid }, { Block_8x8, Block_8x4 } },
{ { Block_16x16, Block_16x8 }, { Block_8x16, Block_8x8 } },
{ { Block_16x32, Block_16x16 }, { Block_Invalid, Block_8x16 } },
{ { Block_32x16, Block_Invalid }, { Block_16x16, Block_16x8 } },
{ { Block_32x32, Block_32x16 }, { Block_16x32, Block_16x16 } },
{ { Block_32x64, Block_32x32 }, { Block_Invalid, Block_16x32 } },
{ { Block_64x32, Block_Invalid }, { Block_32x32, Block_32x16 } },
{ { Block_64x64, Block_64x32 }, { Block_32x64, Block_32x32 } },
};
}