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LibVideo/VP9: Implement more TreeParser probability calculations

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Now TreeParser has mostly complete probability calculation
implementations for all currently used syntax elements. Some of these
calculation methods aren't actually finished because they use data
we have yet to parse in the Decoder, but they're close to finished.
This commit is contained in:
FalseHonesty 2021-06-21 12:22:00 -04:00 • committed by Andreas Kling
parent f85f557a1f
commit e4f015ce3d
4 changed files with 407 additions and 23 deletions
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3
Userland/Libraries/LibVideo/VP9/Decoder.h
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@ -184,7 +184,7 @@ private:
bool m_is_inter { false };
IntraMode m_default_intra_mode { DcPred };
u8 m_y_mode { 0 };
u8 m_sub_modes[4]; // FIXME: What size is this supposed to be?
u8 m_block_sub_modes[4];
u8 m_num_4x4_w { 0 };
u8 m_num_4x4_h { 0 };
u8 m_uv_mode { 0 }; // FIXME: Is u8 the right size?
@ -200,6 +200,7 @@ private:
InterMode m_mv[2];
InterMode m_near_mv[2];
InterMode m_nearest_mv[2];
Vector<Vector<Vector<IntraMode>>> m_sub_modes; // FIXME: Can we make these fixed sized allocations?
bool m_use_hp { false };