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[codec,planar] fix encoder regression

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This commit is contained in:
akallabeth
2025-09-12 10:32:53 +02:00
parent 4f0b636b27
commit 16be427cd3
1 changed files with 6 additions and 7 deletions
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13
libfreerdp/codec/planar.c
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@@ -1469,13 +1469,12 @@ BYTE* freerdp_bitmap_planar_delta_encode_plane(const BYTE* WINPR_RESTRICT inPlan
{
for (UINT32 x = 0; x < width; x++, outPtr++, srcPtr++, prevLinePtr++)
{
INT32 delta = *srcPtr - *prevLinePtr;
BYTE s2c = WINPR_ASSERTING_INT_CAST(
BYTE, (delta >= 0) ? delta : (~((BYTE)(-delta)) + 1) & 0xFF);
s2c = WINPR_ASSERTING_INT_CAST(
BYTE,
(s2c >= 0) ? (s2c << 1) & 0xFF : (((UINT32)(~((BYTE)s2c) + 1) << 1) - 1) & 0xFF);
*outPtr = s2c;
const INT32 delta = *srcPtr - *prevLinePtr;
const int s2c1i = (delta >= 0) ? delta : (~((BYTE)(-delta)) + 1);
const char s2c1 = WINPR_CXX_COMPAT_CAST(char, s2c1i & 0xff);
const uint32_t s2c = (s2c1 >= 0) ? ((UINT32)s2c1 << 1)
: (((UINT32)(~((BYTE)(s2c1 & 0xFF)) + 1) << 1) - 1);
*outPtr = (BYTE)s2c;
}
}