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Merge "fix loop filter setup_mask could reach out of bounds issue"

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Jim Bankoski 2013-09-06 06:21:28 -07:00 committed by Gerrit Code Review
commit e4e864586c
1 changed files with 12 additions and 0 deletions
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12
vp9/common/vp9_loopfilter.c
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@ -603,11 +603,15 @@ static void setup_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col,
case BLOCK_64X32:
build_masks(lfi_n, mip, 0, 0, lfm);
mip2 = mip + mode_info_stride * 4;
if (4 >= max_rows)
break;
build_masks(lfi_n, mip2 , 32, 8, lfm);
break;
case BLOCK_32X64:
build_masks(lfi_n, mip, 0, 0, lfm);
mip2 = mip + 4;
if (4 >= max_cols)
break;
build_masks(lfi_n, mip2, 4, 2, lfm);
break;
default:
@ -624,11 +628,15 @@ static void setup_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col,
break;
case BLOCK_32X16:
build_masks(lfi_n, mip, shift_y, shift_uv, lfm);
if (mi_32_row_offset + 2 >= max_rows)
continue;
mip2 = mip + mode_info_stride * 2;
build_masks(lfi_n, mip2, shift_y + 16, shift_uv + 4, lfm);
break;
case BLOCK_16X32:
build_masks(lfi_n, mip, shift_y, shift_uv, lfm);
if (mi_32_col_offset + 2 >= max_cols)
continue;
mip2 = mip + 2;
build_masks(lfi_n, mip2, shift_y + 2, shift_uv + 1, lfm);
break;
@ -650,11 +658,15 @@ static void setup_mask(VP9_COMMON *const cm, const int mi_row, const int mi_col,
break;
case BLOCK_16X8:
build_masks(lfi_n, mip, shift_y, shift_uv, lfm);
if (mi_16_row_offset + 1 >= max_rows)
continue;
mip2 = mip + mode_info_stride;
build_y_mask(lfi_n, mip2, shift_y+8, lfm);
break;
case BLOCK_8X16:
build_masks(lfi_n, mip, shift_y, shift_uv, lfm);
if (mi_16_col_offset +1 >= max_cols)
continue;
mip2 = mip + 1;
build_y_mask(lfi_n, mip2, shift_y+1, lfm);
break;