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Loopfilter: Fix chroma edge selection 

A 32x32 transform should have no internal filtering (check c==4)

Change-Id: I7414cf4748ed053208217692ef00cd8b20d49a91
This commit is contained in:
John Koleszar 2013-06-10 10:05:44 -07:00
Родитель 717d744a01
Коммит 48b7cbcac5
1 изменённых файлов: 24 добавлений и 19 удалений
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43
vp9/common/vp9_loopfilter.c
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@ -568,7 +568,7 @@ static void filter_selectively_vert(uint8_t *s, int pitch,
unsigned int mask_16x16,
unsigned int mask_8x8,
unsigned int mask_4x4,
unsigned int mask_4x4_1,
unsigned int mask_4x4_int,
const struct loop_filter_info *lfi) {
unsigned int mask;
@ -579,7 +579,7 @@ static void filter_selectively_vert(uint8_t *s, int pitch,
lfi->hev_thr, 1);
assert(!(mask_8x8 & 1));
assert(!(mask_4x4 & 1));
assert(!(mask_4x4_1 & 1));
assert(!(mask_4x4_int & 1));
} else if (mask_8x8 & 1) {
vp9_mbloop_filter_vertical_edge(s, pitch, lfi->mblim, lfi->lim,
lfi->hev_thr, 1);
@ -594,7 +594,7 @@ static void filter_selectively_vert(uint8_t *s, int pitch,
assert(0);
}
if (mask_4x4_1 & 1)
if (mask_4x4_int & 1)
vp9_loop_filter_vertical_edge(s + 4, pitch, lfi->mblim, lfi->lim,
lfi->hev_thr, 1);
}
@ -603,7 +603,7 @@ static void filter_selectively_vert(uint8_t *s, int pitch,
mask_16x16 >>= 1;
mask_8x8 >>= 1;
mask_4x4 >>= 1;
mask_4x4_1 >>= 1;
mask_4x4_int >>= 1;
}
}
@ -611,7 +611,7 @@ static void filter_selectively_horiz(uint8_t *s, int pitch,
unsigned int mask_16x16,
unsigned int mask_8x8,
unsigned int mask_4x4,
unsigned int mask_4x4_1,
unsigned int mask_4x4_int,
int only_4x4_1,
const struct loop_filter_info *lfi) {
unsigned int mask;
@ -624,7 +624,7 @@ static void filter_selectively_horiz(uint8_t *s, int pitch,
lfi->hev_thr, 1);
assert(!(mask_8x8 & 1));
assert(!(mask_4x4 & 1));
assert(!(mask_4x4_1 & 1));
assert(!(mask_4x4_int & 1));
} else if (mask_8x8 & 1) {
vp9_mbloop_filter_horizontal_edge(s, pitch, lfi->mblim, lfi->lim,
lfi->hev_thr, 1);
@ -640,7 +640,7 @@ static void filter_selectively_horiz(uint8_t *s, int pitch,
}
}
if (mask_4x4_1 & 1)
if (mask_4x4_int & 1)
vp9_loop_filter_horizontal_edge(s + 4 * pitch, pitch, lfi->mblim,
lfi->lim, lfi->hev_thr, 1);
}
@ -649,13 +649,14 @@ static void filter_selectively_horiz(uint8_t *s, int pitch,
mask_16x16 >>= 1;
mask_8x8 >>= 1;
mask_4x4 >>= 1;
mask_4x4_1 >>= 1;
mask_4x4_int >>= 1;
}
}
static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
int plane, int mi_row, int mi_col) {
const int ss_x = xd->plane[plane].subsampling_x;
const int ss_y = xd->plane[plane].subsampling_y;
const int row_step = 1 << xd->plane[plane].subsampling_y;
const int col_step = 1 << xd->plane[plane].subsampling_x;
struct buf_2d * const dst = &xd->plane[plane].dst;
@ -664,7 +665,7 @@ static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
unsigned int mask_16x16[64 / MI_SIZE] = {0};
unsigned int mask_8x8[64 / MI_SIZE] = {0};
unsigned int mask_4x4[64 / MI_SIZE] = {0};
unsigned int mask_4x4_1[64 / MI_SIZE] = {0};
unsigned int mask_4x4_int[64 / MI_SIZE] = {0};
struct loop_filter_info lfi[64 / MI_SIZE][64 / MI_SIZE];
int r, c;
@ -689,6 +690,7 @@ static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
const int skip_this_r = skip_this && !block_edge_above;
const TX_SIZE tx_size = plane ? get_uv_tx_size(&mi[c].mbmi)
: mi[c].mbmi.txfm_size;
const int skip_border_4x4_c = ss_x && mi_col + c == cm->mi_cols - 1;
// Filter level can vary per MI
if (!build_lfi(cm, &mi[c].mbmi,
@ -697,33 +699,33 @@ static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
// Build masks based on the transform size of each block
if (tx_size == TX_32X32) {
if (!skip_this_c && (c & 3) == 0)
if (!skip_this_c && ((c >> ss_x) & 3) == 0)
mask_16x16_c |= 1 << (c >> ss_x);
if (!skip_this_r && (r & 3) == 0)
if (!skip_this_r && ((r >> ss_y) & 3) == 0)
mask_16x16[r] |= 1 << (c >> ss_x);
} else if (tx_size == TX_16X16) {
if (!skip_this_c && (c & 1) == 0)
if (!skip_this_c && ((c >> ss_x) & 1) == 0)
mask_16x16_c |= 1 << (c >> ss_x);
if (!skip_this_r && (r & 1) == 0)
if (!skip_this_r && ((r >> ss_y) & 1) == 0)
mask_16x16[r] |= 1 << (c >> ss_x);
} else {
// force 8x8 filtering on 32x32 boundaries
if (!skip_this_c) {
if (tx_size == TX_8X8 || (c & 3) == 0)
if (tx_size == TX_8X8 || ((c >> ss_x) & 3) == 0)
mask_8x8_c |= 1 << (c >> ss_x);
else
mask_4x4_c |= 1 << (c >> ss_x);
}
if (!skip_this_r) {
if (tx_size == TX_8X8 || (r & 3) == 0)
if (tx_size == TX_8X8 || ((r >> ss_y) & 3) == 0)
mask_8x8[r] |= 1 << (c >> ss_x);
else
mask_4x4[r] |= 1 << (c >> ss_x);
}
if (!skip_this && tx_size < TX_8X8)
mask_4x4_1[r] |= 1 << (c >> ss_x);
if (!skip_this && tx_size < TX_8X8 && !skip_border_4x4_c)
mask_4x4_int[r] |= 1 << (c >> ss_x);
}
}
@ -733,7 +735,7 @@ static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
mask_16x16_c & border_mask,
mask_8x8_c & border_mask,
mask_4x4_c & border_mask,
mask_4x4_1[r], lfi[r]);
mask_4x4_int[r], lfi[r]);
dst->buf += 8 * dst->stride;
xd->mode_info_context += cm->mode_info_stride * row_step;
}
@ -742,11 +744,14 @@ static void filter_block_plane(VP9_COMMON *cm, MACROBLOCKD *xd,
dst->buf = dst0;
xd->mode_info_context = mi0;
for (r = 0; r < 64 / MI_SIZE && mi_row + r < cm->mi_rows; r += row_step) {
const int skip_border_4x4_r = ss_y && mi_row + r == cm->mi_rows - 1;
const unsigned int mask_4x4_int_r = skip_border_4x4_r ? 0 : mask_4x4_int[r];
filter_selectively_horiz(dst->buf, dst->stride,
mask_16x16[r],
mask_8x8[r],
mask_4x4[r],
mask_4x4_1[r], mi_row + r == 0, lfi[r]);
mask_4x4_int_r, mi_row + r == 0, lfi[r]);
dst->buf += 8 * dst->stride;
xd->mode_info_context += cm->mode_info_stride * row_step;
}