Simplify effective src_diff address computation

Remove redundant offset calculation for effective src_diff address.

Change-Id: I4aab241a36abcef7fd8adf74aed5e12b8b88e0ef

diff --git a/vp9/encoder/vp9_pickmode.c b/vp9/encoder/vp9_pickmode.c
index e26b4c09fb5197add40dcbdc1878a68d767ff349..661934ec651bf152e145eda0427ca282f409780a 100644 (file)
--- a/vp9/encoder/vp9_pickmode.c
+++ b/vp9/encoder/vp9_pickmode.c
@@ -360,10 +360,8 @@ static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, int64_t *dist,
         tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
         uint16_t *const eob = &p->eobs[block];
         const int diff_stride = 4 * num_4x4_blocks_wide_lookup[bsize];
-        int i, j;
         const int16_t *src_diff;
-        txfrm_block_to_raster_xy(bsize, tx_size, block, &i, &j);
-        src_diff = &p->src_diff[4 * (j * diff_stride + i)];
+        src_diff = &p->src_diff[(r * diff_stride + c) << 2];
 
         switch (tx_size) {
           case TX_32X32: