RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 09:17:35 +00:00
Code Issues Activity Actions

LibVideo/VP9: Use a class to store 2D context information

Browse source
This commit is contained in:
Zaggy1024 2022-11-20 13:23:49 -06:00 • committed by Andreas Kling
parent 44413c31a9
commit 0638c5d2b8
4 changed files with 78 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Userland/Libraries/LibVideo/VP9/Decoder.cpp
View file

@ -1817,13 +1817,16 @@ DecoderErrorOr<void> Decoder::update_reference_frames()
// for col = 0..MiCols-1, for list = 0..1.
// − PrevMvs[ row ][ col ][ list ][ comp ] is set equal to Mvs[ row ][ col ][ list ][ comp ] for row = 0..MiRows-1,
// for col = 0..MiCols-1, for list = 0..1, for comp = 0..1.
size_t size = m_parser->m_frame_block_contexts.size();
size_t size = m_parser->m_frame_block_contexts.width() * m_parser->m_frame_block_contexts.height();
m_parser->m_prev_ref_frames.resize_and_keep_capacity(size);
m_parser->m_prev_mvs.resize_and_keep_capacity(size);
for (size_t i = 0; i < size; i++) {
auto context = m_parser->m_frame_block_contexts[i];
m_parser->m_prev_ref_frames[i] = context.ref_frames;
m_parser->m_prev_mvs[i] = context.primary_motion_vector_pair();
for (u32 row = 0; row < m_parser->m_frame_block_contexts.height(); row++) {
for (u32 column = 0; column < m_parser->m_frame_block_contexts.width(); column++) {
auto index = m_parser->m_frame_block_contexts.index_at(row, column);
auto context = m_parser->m_frame_block_contexts[index];
m_parser->m_prev_ref_frames[index] = context.ref_frames;
m_parser->m_prev_mvs[index] = context.primary_motion_vector_pair();
}
}
}