Files
ffmpeg/libavcodec
Lynne ae25ca0b36 avcodec/vulkan_apv: replace the iDCT tile-position search with a division
The iDCT located its tile by linearly scanning the tile column/row start
tables. The APV tile grid is uniform-sized columns and rows with a single
remainder tile at each edge, so the tile index is just the luma position
divided by the (constant) first step, clamped to the last tile. Single
column/row grids have no step to read and resolve to index 0.
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