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vp9/inverse_transform_block_intra: move eob check

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1 level up. the function is a no-op for eob == 0 and shouldn't be called

Change-Id: I1b4a050424cf2d0ea820120c8e7c4fb3065e39e7
This commit is contained in:
James Zern 2016-03-23 20:24:17 -07:00
parent 813221a163
commit f64a30acef
1 changed files with 57 additions and 56 deletions
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113
vp9/decoder/vp9_decodeframe.c
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@ -279,54 +279,31 @@ static void inverse_transform_block_intra(MACROBLOCKD* xd, int plane,
uint8_t *dst, int stride,
int eob) {
struct macroblockd_plane *const pd = &xd->plane[plane];
if (eob > 0) {
tran_low_t *const dqcoeff = pd->dqcoeff;
tran_low_t *const dqcoeff = pd->dqcoeff;
assert(eob > 0);
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
if (xd->lossless) {
vp9_highbd_iwht4x4_add(dqcoeff, dst, stride, eob, xd->bd);
} else {
switch (tx_size) {
case TX_4X4:
vp9_highbd_iht4x4_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_8X8:
vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_16X16:
vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_32X32:
vp9_highbd_idct32x32_add(dqcoeff, dst, stride, eob, xd->bd);
break;
default:
assert(0 && "Invalid transform size");
}
}
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
if (xd->lossless) {
vp9_highbd_iwht4x4_add(dqcoeff, dst, stride, eob, xd->bd);
} else {
if (xd->lossless) {
vp9_iwht4x4_add(dqcoeff, dst, stride, eob);
} else {
switch (tx_size) {
case TX_4X4:
vp9_iht4x4_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_8X8:
vp9_iht8x8_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_16X16:
vp9_iht16x16_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_32X32:
vp9_idct32x32_add(dqcoeff, dst, stride, eob);
break;
default:
assert(0 && "Invalid transform size");
return;
}
switch (tx_size) {
case TX_4X4:
vp9_highbd_iht4x4_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_8X8:
vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_16X16:
vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, stride, eob, xd->bd);
break;
case TX_32X32:
vp9_highbd_idct32x32_add(dqcoeff, dst, stride, eob, xd->bd);
break;
default:
assert(0 && "Invalid transform size");
}
}
#else
} else {
if (xd->lossless) {
vp9_iwht4x4_add(dqcoeff, dst, stride, eob);
} else {
@ -348,18 +325,40 @@ static void inverse_transform_block_intra(MACROBLOCKD* xd, int plane,
return;
}
}
}
#else
if (xd->lossless) {
vp9_iwht4x4_add(dqcoeff, dst, stride, eob);
} else {
switch (tx_size) {
case TX_4X4:
vp9_iht4x4_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_8X8:
vp9_iht8x8_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_16X16:
vp9_iht16x16_add(tx_type, dqcoeff, dst, stride, eob);
break;
case TX_32X32:
vp9_idct32x32_add(dqcoeff, dst, stride, eob);
break;
default:
assert(0 && "Invalid transform size");
return;
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
if (eob == 1) {
dqcoeff[0] = 0;
} else {
if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)
memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
else if (tx_size == TX_32X32 && eob <= 34)
memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
else
memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0]));
}
if (eob == 1) {
dqcoeff[0] = 0;
} else {
if (tx_type == DCT_DCT && tx_size <= TX_16X16 && eob <= 10)
memset(dqcoeff, 0, 4 * (4 << tx_size) * sizeof(dqcoeff[0]));
else if (tx_size == TX_32X32 && eob <= 34)
memset(dqcoeff, 0, 256 * sizeof(dqcoeff[0]));
else
memset(dqcoeff, 0, (16 << (tx_size << 1)) * sizeof(dqcoeff[0]));
}
}
@ -389,8 +388,10 @@ static void predict_and_reconstruct_intra_block(MACROBLOCKD *const xd,
&vp9_default_scan_orders[tx_size] : &vp9_scan_orders[tx_size][tx_type];
const int eob = vp9_decode_block_tokens(xd, plane, sc, col, row, tx_size,
r, mi->segment_id);
inverse_transform_block_intra(xd, plane, tx_type, tx_size,
dst, pd->dst.stride, eob);
if (eob > 0) {
inverse_transform_block_intra(xd, plane, tx_type, tx_size,
dst, pd->dst.stride, eob);
}
}
}