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Remove UBSAN warnings about negative left shift

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This commit is contained in:
Haibo Zhu
2015-10-12 22:51:45 -07:00
parent fcab199083
commit 6e052edcef
12 changed files with 71 additions and 71 deletions
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6
test/decoder/DecUT_DeblockCommon.cpp
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@@ -122,7 +122,7 @@ void anchor_DeblockingLumaNormal (uint8_t* pPix, int32_t iStrideX, int32_t iStri
iTc++;
}
// 8-467,468,469
iDelta = WELS_CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
iDelta = WELS_CLIP3 (((((q[0] - p[0]) * (1 << 2)) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPix[iStrideX * -1] = WELS_CLIP3 ((p[0] + iDelta), 0, 255);
pPix[0] = WELS_CLIP3 ((q[0] - iDelta), 0, 255);
}
@@ -194,7 +194,7 @@ void anchor_DeblockingChromaNormal (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iS
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-467, 468, 469
iDelta = WELS_CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
iDelta = WELS_CLIP3 (((((q[0] - p[0]) * (1 << 2)) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPixCb[iStrideX * -1] = WELS_CLIP3 ((p[0] + iDelta), 0, 255);
pPixCb[iStrideX * 0 ] = WELS_CLIP3 ((q[0] - iDelta), 0, 255);
}
@@ -209,7 +209,7 @@ void anchor_DeblockingChromaNormal (uint8_t* pPixCb, uint8_t* pPixCr, int32_t iS
// filterSampleFlag, 8-460
if (abs (p[0] - q[0]) < iAlpha && abs (p[1] - p[0]) < iBeta && abs (q[1] - q[0]) < iBeta) {
// 8-467, 468, 469
iDelta = WELS_CLIP3 (((((q[0] - p[0]) << 2) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
iDelta = WELS_CLIP3 (((((q[0] - p[0]) * (1 << 2)) + (p[1] - q[1]) + 4) >> 3), -1 * iTc, iTc);
pPixCr[iStrideX * -1] = WELS_CLIP3 ((p[0] + iDelta), 0, 255);
pPixCr[iStrideX * 0 ] = WELS_CLIP3 ((q[0] - iDelta), 0, 255);
}