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LibVideo/VP9: Begin decoding tiles

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FalseHonesty 2021-01-29 19:00:21 -05:00 • committed by Andreas Kling
parent f9899fc17f
commit cfd65eafa9
4 changed files with 174 additions and 12 deletions
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67
Userland/Libraries/LibVideo/VP9/LookupTables.h
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@ -30,5 +30,72 @@ static constexpr u8 inv_map_table[MAX_PROB] = {
226, 227, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 242, 243, 244, 245, 246,
247, 248, 249, 250, 251, 252, 253, 253
};
static constexpr u8 num_8x8_blocks_wide_lookup[BLOCK_SIZES] = { 1, 1, 1, 1, 1, 2, 2, 2, 4, 4, 4, 8, 8 };
static constexpr BlockSubsize subsize_lookup[PARTITION_TYPES][BLOCK_SIZES] = {
{
// PARTITION_NONE
Block_4x4,
Block_4x8,
Block_8x4,
Block_8x8,
Block_8x16,
Block_16x8,
Block_16x16,
Block_16x32,
Block_32x16,
Block_32x32,
Block_32x64,
Block_64x32,
Block_64x64,
},
{
// PARTITION_HORZ
Block_Invalid,
Block_Invalid,
Block_Invalid,
Block_8x4,
Block_Invalid,
Block_Invalid,
Block_16x8,
Block_Invalid,
Block_Invalid,
Block_32x16,
Block_Invalid,
Block_Invalid,
Block_64x32,
},
{
// PARTITION_VERT
Block_Invalid,
Block_Invalid,
Block_Invalid,
Block_4x8,
Block_Invalid,
Block_Invalid,
Block_8x16,
Block_Invalid,
Block_Invalid,
Block_16x32,
Block_Invalid,
Block_Invalid,
Block_32x64,
},
{
// PARTITION_SPLIT
Block_Invalid,
Block_Invalid,
Block_Invalid,
Block_4x4,
Block_Invalid,
Block_Invalid,
Block_8x8,
Block_Invalid,
Block_Invalid,
Block_16x16,
Block_Invalid,
Block_Invalid,
Block_32x32,
}
};
}