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Cheng Chen authored
For the first superblock, signal a filter level (6 bit). For other superblocks, signal the delta (3 bit) and sign (1 bit). To guarantee the delta can be represented by 3 bits, the search range of current superblock filter level is capped as curr_lvl = prev_lvl +- ((1 << 3) - 1) Change-Id: Ibbe2941aa96ec1220ed2adb7edf3d29cb032f0ec
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