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LibVideo/VP9: Successfully parse partition syntax element

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FalseHonesty 2021-01-30 23:31:13 -05:00 • committed by Andreas Kling
parent 7ff6315246
commit 2ce4155b42
6 changed files with 165 additions and 66 deletions
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6
Userland/Libraries/LibVideo/VP9/TreeParser.h
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@ -42,6 +42,7 @@ public:
int parse_tree(SyntaxElementType type);
TreeSelection select_tree(SyntaxElementType type);
u8 select_tree_probability(SyntaxElementType type, u8 node);
void count_syntax_element(SyntaxElementType type, int value);
void set_bit_stream(BitStream* bit_stream) { m_bit_stream = bit_stream; }
void set_has_rows(bool has_rows) { m_has_rows = has_rows; }
@ -55,12 +56,17 @@ public:
void set_col(u32 col) { m_col = col; }
void set_row(u32 row) { m_row = row; }
void set_frame_is_intra(bool frame_is_intra) { m_frame_is_intra = frame_is_intra; }
void set_syntax_element_counter(SyntaxElementCounter* syntax_element_counter) { m_syntax_element_counter = syntax_element_counter; }
private:
u8 calculate_partition_probability(u8 node);
ProbabilityTables& m_probability_tables;
BitStream* m_bit_stream { nullptr };
SyntaxElementCounter* m_syntax_element_counter { nullptr };
// m_ctx is a member variable because it is required for syntax element counting (section 9.3.4)
u8 m_ctx { 0 };
bool m_has_rows { false };
bool m_has_cols { false };