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LibVideo/VP9: Replace (DCT|ADST)_(DCT_ADST) with struct TransformSet

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Those previous constants were only set and used to select the first and
second transforms done by the Decoder class. By turning it into a
struct, we can make the code a bit more legible while keeping those
transform modes the same size as before or smaller.
This commit is contained in:
Zaggy1024 2022-11-25 20:45:56 -06:00 • committed by Andreas Kling
parent 062da60443
commit facb779b99
9 changed files with 65 additions and 55 deletions
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6
Userland/Libraries/LibVideo/VP9/TreeParser.cpp
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@ -624,7 +624,7 @@ ErrorOr<bool> TreeParser::parse_motion_vector_hp(BitStream& bit_stream, Probabil
return value;
}
TokensContext TreeParser::get_tokens_context(bool subsampling_x, bool subsampling_y, u32 rows, u32 columns, Array<Vector<bool>, 3> const& above_nonzero_context, Array<Vector<bool>, 3> const& left_nonzero_context, u8 token_cache[1024], TXSize tx_size, u8 tx_type, u8 plane, u32 start_x, u32 start_y, u16 position, bool is_inter, u8 band, u16 coef_index)
TokensContext TreeParser::get_tokens_context(bool subsampling_x, bool subsampling_y, u32 rows, u32 columns, Array<Vector<bool>, 3> const& above_nonzero_context, Array<Vector<bool>, 3> const& left_nonzero_context, u8 token_cache[1024], TXSize tx_size, TransformSet transform_set, u8 plane, u32 start_x, u32 start_y, u16 position, bool is_inter, u8 band, u16 coef_index)
{
u8 context;
if (coef_index == 0) {
@ -652,10 +652,10 @@ TokensContext TreeParser::get_tokens_context(bool subsampling_x, bool subsamplin
auto a = i > 0 ? (i - 1) * n + j : 0;
auto a2 = i * n + j - 1;
if (i > 0 && j > 0) {
if (tx_type == DCT_ADST) {
if (transform_set == TransformSet { TransformType::DCT, TransformType::ADST }) {
neighbor_0 = a;
neighbor_1 = a;
} else if (tx_type == ADST_DCT) {
} else if (transform_set == TransformSet { TransformType::ADST, TransformType::DCT }) {
neighbor_0 = a2;
neighbor_1 = a2;
} else {