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LibVideo/VP9: Implement MV reading & rectify MV storage issues

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With this patch we are finally done with section 6.4.X of the spec :^)
The only parsing left to be done is 6.5.X, motion vector prediction.

Additionally, this patch fixes how MVs were being stored in the parser.
Originally, due to the spec naming two very different values very
similarly, these properties had totally wrong data types, but this has
now been rectified.
This commit is contained in:
FalseHonesty 2021-06-27 17:03:53 -04:00 • committed by Andreas Kling
parent 27fdf8361c
commit d60bd42972
6 changed files with 129 additions and 14 deletions
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3
Userland/Libraries/LibVideo/VP9/TreeParser.cpp
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@ -32,11 +32,14 @@ T TreeParser::parse_tree(SyntaxElementType type)
template int TreeParser::parse_tree(SyntaxElementType);
template bool TreeParser::parse_tree(SyntaxElementType);
template u8 TreeParser::parse_tree(SyntaxElementType);
template u32 TreeParser::parse_tree(SyntaxElementType);
template IntraMode TreeParser::parse_tree(SyntaxElementType);
template TXSize TreeParser::parse_tree(SyntaxElementType);
template InterpolationFilter TreeParser::parse_tree(SyntaxElementType);
template ReferenceMode TreeParser::parse_tree(SyntaxElementType);
template Token TreeParser::parse_tree(SyntaxElementType);
template MvClass TreeParser::parse_tree(SyntaxElementType);
template MvJoint TreeParser::parse_tree(SyntaxElementType);
/*
* Select a tree value based on the type of syntax element being parsed, as well as some parser state, as specified in section 9.3.1