diff --git a/vp10/encoder/block.h b/vp10/encoder/block.h
index ce650b1999a35c920b2ec28fc6819eacc3a7851f..295213ff292b875a9ace79454e9293598054a6c4 100644
--- a/vp10/encoder/block.h
+++ b/vp10/encoder/block.h
@@ -164,12 +164,12 @@ struct macroblock {
int quant_fp;
// skip forward transform and quantization
- uint8_t skip_txfm[MAX_MB_PLANE << 2];
+ uint8_t skip_txfm[MAX_MB_PLANE][4];
#define SKIP_TXFM_NONE 0
#define SKIP_TXFM_AC_DC 1
#define SKIP_TXFM_AC_ONLY 2
- int64_t bsse[MAX_MB_PLANE << 2];
+ int64_t bsse[MAX_MB_PLANE][4];
// Used to store sub partition's choices.
MV pred_mv[MAX_REF_FRAMES];
diff --git a/vp10/encoder/encodeframe.c b/vp10/encoder/encodeframe.c
index 06d4a1c5fe8f9839834ceff8be5a925d5ebb2191..6bb724d8daf1e8fe35c3a1330102465c8cd142c7 100644
--- a/vp10/encoder/encodeframe.c
+++ b/vp10/encoder/encodeframe.c
@@ -5207,7 +5207,7 @@ static void rd_supertx_sb(VP10_COMP *cpi, ThreadData *td,
// to reuse distortion values from the RD estimation, so we reset these
// flags here before evaluating RD for supertx coding.
for (plane = 0 ; plane < MAX_MB_PLANE ; plane++)
- x->skip_txfm[plane << 2] = SKIP_TXFM_NONE;
+ x->skip_txfm[plane][0] = SKIP_TXFM_NONE;
mbmi = &xd->mi[0]->mbmi;
best_tx_nostx = mbmi->tx_type;
diff --git a/vp10/encoder/encodemb.c b/vp10/encoder/encodemb.c
index 272967ac34da4119cdb706c17d80ee99aa68099e..c42b7f1db31e3f1ad1e141427cf13c1730085720 100644
--- a/vp10/encoder/encodemb.c
+++ b/vp10/encoder/encodemb.c
@@ -449,7 +449,7 @@ static void encode_block(int plane, int block, int blk_row, int blk_col,
#endif
if (x->quant_fp) {
// Encoding process for rtc mode
- if (x->skip_txfm[0] == SKIP_TXFM_AC_DC && plane == 0) {
+ if (x->skip_txfm[0][0] == SKIP_TXFM_AC_DC && plane == 0) {
// skip forward transform
p->eobs[block] = 0;
*a = *l = 0;
@@ -460,12 +460,12 @@ static void encode_block(int plane, int block, int blk_row, int blk_col,
}
} else {
if (max_txsize_lookup[plane_bsize] == tx_size) {
- int txfm_blk_index = (plane << 2) + (block >> (tx_size << 1));
- if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_NONE) {
+ int blk_index = (block >> (tx_size << 1));
+ if (x->skip_txfm[plane][blk_index] == SKIP_TXFM_NONE) {
// full forward transform and quantization
vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize,
tx_size, VP10_XFORM_QUANT_B);
- } else if (x->skip_txfm[txfm_blk_index] == SKIP_TXFM_AC_ONLY) {
+ } else if (x->skip_txfm[plane][blk_index] == SKIP_TXFM_AC_ONLY) {
// fast path forward transform and quantization
vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize,
tx_size, VP10_XFORM_QUANT_DC);
diff --git a/vp10/encoder/rdopt.c b/vp10/encoder/rdopt.c
index fc256fa0de90f0f7de465d9f8da2c801b28c0f4d..a49116b00d2f899d1983c36febb89bc01c7090d1 100644
--- a/vp10/encoder/rdopt.c
+++ b/vp10/encoder/rdopt.c
@@ -750,18 +750,18 @@ static void model_rd_for_sb(VP10_COMP *cpi, BLOCK_SIZE bsize,
var = cpi->fn_ptr[unit_size].vf(src, p->src.stride,
dst, pd->dst.stride, &sse);
- x->bsse[(i << 2) + block_idx] = sse;
+ x->bsse[i][block_idx] = sse;
sum_sse += sse;
- x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_NONE;
+ x->skip_txfm[i][block_idx] = SKIP_TXFM_NONE;
if (!x->select_tx_size) {
// Check if all ac coefficients can be quantized to zero.
if (var < ac_thr || var == 0) {
- x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_AC_ONLY;
+ x->skip_txfm[i][block_idx] = SKIP_TXFM_AC_ONLY;
// Check if dc coefficient can be quantized to zero.
if (sse - var < dc_thr || sse == var) {
- x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_AC_DC;
+ x->skip_txfm[i][block_idx] = SKIP_TXFM_AC_DC;
if (!sse || (var < low_ac_thr && sse - var < low_dc_thr))
low_err_skip = 1;
@@ -1154,21 +1154,21 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
dist = (int64_t)tmp * 16;
}
} else if (max_txsize_lookup[plane_bsize] == tx_size) {
- if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] ==
+ if (x->skip_txfm[plane][block >> (tx_size << 1)] ==
SKIP_TXFM_NONE) {
// full forward transform and quantization
vp10_xform_quant(x, plane, block, blk_row, blk_col,
plane_bsize, tx_size, VP10_XFORM_QUANT_B);
dist_block(args->cpi, x, plane, block, blk_row, blk_col,
tx_size, &dist, &sse);
- } else if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] ==
+ } else if (x->skip_txfm[plane][block >> (tx_size << 1)] ==
SKIP_TXFM_AC_ONLY) {
// compute DC coefficient
tran_low_t *const coeff = BLOCK_OFFSET(x->plane[plane].coeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(xd->plane[plane].dqcoeff, block);
vp10_xform_quant(x, plane, block, blk_row, blk_col,
plane_bsize, tx_size, VP10_XFORM_QUANT_DC);
- sse = x->bsse[(plane << 2) + (block >> (tx_size << 1))] << 4;
+ sse = x->bsse[plane][block >> (tx_size << 1)] << 4;
dist = sse;
if (x->plane[plane].eobs[block]) {
const int64_t orig_sse = (int64_t)coeff[0] * coeff[0];
@@ -1186,7 +1186,7 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
// SKIP_TXFM_AC_DC
// skip forward transform
x->plane[plane].eobs[block] = 0;
- sse = x->bsse[(plane << 2) + (block >> (tx_size << 1))] << 4;
+ sse = x->bsse[plane][block >> (tx_size << 1)] << 4;
dist = sse;
}
} else {
@@ -6059,8 +6059,8 @@ static int64_t handle_inter_mode(VP10_COMP *cpi, MACROBLOCK *x,
int orig_dst_stride[MAX_MB_PLANE];
int rs = 0;
INTERP_FILTER best_filter = SWITCHABLE;
- uint8_t skip_txfm[MAX_MB_PLANE << 2] = {0};
- int64_t bsse[MAX_MB_PLANE << 2] = {0};
+ uint8_t skip_txfm[MAX_MB_PLANE][4] = {{0}};
+ int64_t bsse[MAX_MB_PLANE][4] = {{0}};
int skip_txfm_sb = 0;
int64_t skip_sse_sb = INT64_MAX;