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LibVideo: Parameterize TXSize parsing for the VP9 decoder

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Zaggy1024 2022-11-06 22:54:30 -06:00 • committed by Andrew Kaster
parent cc735a7001
commit 93caa1e19d
3 changed files with 41 additions and 37 deletions
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11
Userland/Libraries/LibVideo/VP9/Parser.cpp
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@ -1090,10 +1090,15 @@ bool Parser::seg_feature_active(u8 feature)
DecoderErrorOr<void> Parser::read_tx_size(bool allow_select)
{
m_max_tx_size = max_txsize_lookup[m_mi_size];
if (allow_select && m_tx_mode == TXModeSelect && m_mi_size >= Block_8x8)
m_tx_size = TRY_READ(m_tree_parser->parse_tree<TXSize>(SyntaxElementType::TXSize));
else
if (allow_select && m_tx_mode == TXModeSelect && m_mi_size >= Block_8x8) {
Optional<bool> above_skip = m_available_u ? m_skips[get_image_index(m_mi_row - 1, m_mi_col)] : Optional<bool>();
Optional<bool> left_skip = m_available_l ? m_skips[get_image_index(m_mi_row, m_mi_col - 1)] : Optional<bool>();
Optional<TXSize> above_tx_size = m_available_u ? m_tx_sizes[get_image_index(m_mi_row - 1, m_mi_col)] : Optional<TXSize>();
Optional<TXSize> left_tx_size = m_available_l ? m_tx_sizes[get_image_index(m_mi_row, m_mi_col - 1)] : Optional<TXSize>();
m_tx_size = TRY_READ(TreeParser::parse_tx_size(*m_bit_stream, *m_probability_tables, *m_syntax_element_counter, m_max_tx_size, above_skip, left_skip, above_tx_size, left_tx_size));
} else {
m_tx_size = min(m_max_tx_size, tx_mode_to_biggest_tx_size[m_tx_mode]);
}
return {};
}