Commit db78fa9a authored by Jingning Han's avatar Jingning Han

Make recursive txfm partitioning use uniform quantizer

Replace the expanded zero-bin quantizer with uniform quantizer in
the recursive transform block partitioning scheme. This improves
the compression performance by 0.4% for lowres.

Change-Id: I1c32ce9ebba0f0760e36a2c5bd20f2f5887ea5b4
parent 883e3b84
......@@ -3060,8 +3060,7 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
max_blocks_wide += xd->mb_to_right_edge >> (5 + pd->subsampling_x);
vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size,
VP10_XFORM_QUANT_B);
VP10_XFORM_QUANT_FP);
vp10_optimize_b(x, plane, block, tx_size, coeff_ctx);
// TODO(any): Use dist_block to compute distortion
......
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