2xsai.cpp
来自「从FFMPEG转换而来的H264解码程序,VC下编译..」· C++ 代码 · 共 3,037 行 · 第 1/5 页
CPP
3,037 行
w[1] = *((unsigned short*)(pIn + prevline - 2));
w[4] = *((unsigned short*)(pIn - 2));
w[7] = *((unsigned short*)(pIn + nextline - 2));
}
else
{
w[1] = w[2];
w[4] = w[5];
w[7] = w[8];
}
if (i<dx-1)
{
w[3] = *((unsigned short*)(pIn + prevline + 2));
w[6] = *((unsigned short*)(pIn + 2));
w[9] = *((unsigned short*)(pIn + nextline + 2));
}
else
{
w[3] = w[2];
w[6] = w[5];
w[9] = w[8];
}
int pattern = 0;
if ( Diff(w[5],w[1]) ) pattern |= 0x0001;
if ( Diff(w[5],w[2]) ) pattern |= 0x0002;
if ( Diff(w[5],w[3]) ) pattern |= 0x0004;
if ( Diff(w[5],w[4]) ) pattern |= 0x0008;
if ( Diff(w[5],w[6]) ) pattern |= 0x0010;
if ( Diff(w[5],w[7]) ) pattern |= 0x0020;
if ( Diff(w[5],w[8]) ) pattern |= 0x0040;
if ( Diff(w[5],w[9]) ) pattern |= 0x0080;
for (k=1; k<=9; k++)
c[k] = LUT16to32[w[k]];
switch (pattern)
{
case 0:
case 1:
case 4:
case 32:
case 128:
case 5:
case 132:
case 160:
case 33:
case 129:
case 36:
case 133:
case 164:
case 161:
case 37:
case 165:
{
PIXEL00_20
PIXEL01_20
PIXEL10_20
PIXEL11_20
break;
}
case 2:
case 34:
case 130:
case 162:
{
PIXEL00_22
PIXEL01_21
PIXEL10_20
PIXEL11_20
break;
}
case 16:
case 17:
case 48:
case 49:
{
PIXEL00_20
PIXEL01_22
PIXEL10_20
PIXEL11_21
break;
}
case 64:
case 65:
case 68:
case 69:
{
PIXEL00_20
PIXEL01_20
PIXEL10_21
PIXEL11_22
break;
}
case 8:
case 12:
case 136:
case 140:
{
PIXEL00_21
PIXEL01_20
PIXEL10_22
PIXEL11_20
break;
}
case 3:
case 35:
case 131:
case 163:
{
PIXEL00_11
PIXEL01_21
PIXEL10_20
PIXEL11_20
break;
}
case 6:
case 38:
case 134:
case 166:
{
PIXEL00_22
PIXEL01_12
PIXEL10_20
PIXEL11_20
break;
}
case 20:
case 21:
case 52:
case 53:
{
PIXEL00_20
PIXEL01_11
PIXEL10_20
PIXEL11_21
break;
}
case 144:
case 145:
case 176:
case 177:
{
PIXEL00_20
PIXEL01_22
PIXEL10_20
PIXEL11_12
break;
}
case 192:
case 193:
case 196:
case 197:
{
PIXEL00_20
PIXEL01_20
PIXEL10_21
PIXEL11_11
break;
}
case 96:
case 97:
case 100:
case 101:
{
PIXEL00_20
PIXEL01_20
PIXEL10_12
PIXEL11_22
break;
}
case 40:
case 44:
case 168:
case 172:
{
PIXEL00_21
PIXEL01_20
PIXEL10_11
PIXEL11_20
break;
}
case 9:
case 13:
case 137:
case 141:
{
PIXEL00_12
PIXEL01_20
PIXEL10_22
PIXEL11_20
break;
}
case 18:
case 50:
{
PIXEL00_22
if (Diff(w[2], w[6]))
{
PIXEL01_10
}
else
{
PIXEL01_20
}
PIXEL10_20
PIXEL11_21
break;
}
case 80:
case 81:
{
PIXEL00_20
PIXEL01_22
PIXEL10_21
if (Diff(w[6], w[8]))
{
PIXEL11_10
}
else
{
PIXEL11_20
}
break;
}
case 72:
case 76:
{
PIXEL00_21
PIXEL01_20
if (Diff(w[8], w[4]))
{
PIXEL10_10
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 10:
case 138:
{
if (Diff(w[4], w[2]))
{
PIXEL00_10
}
else
{
PIXEL00_20
}
PIXEL01_21
PIXEL10_22
PIXEL11_20
break;
}
case 66:
{
PIXEL00_22
PIXEL01_21
PIXEL10_21
PIXEL11_22
break;
}
case 24:
{
PIXEL00_21
PIXEL01_22
PIXEL10_22
PIXEL11_21
break;
}
case 7:
case 39:
case 135:
{
PIXEL00_11
PIXEL01_12
PIXEL10_20
PIXEL11_20
break;
}
case 148:
case 149:
case 180:
{
PIXEL00_20
PIXEL01_11
PIXEL10_20
PIXEL11_12
break;
}
case 224:
case 228:
case 225:
{
PIXEL00_20
PIXEL01_20
PIXEL10_12
PIXEL11_11
break;
}
case 41:
case 169:
case 45:
{
PIXEL00_12
PIXEL01_20
PIXEL10_11
PIXEL11_20
break;
}
case 22:
case 54:
{
PIXEL00_22
if (Diff(w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_20
PIXEL11_21
break;
}
case 208:
case 209:
{
PIXEL00_20
PIXEL01_22
PIXEL10_21
if (Diff(w[6], w[8]))
{
PIXEL11_0
}
else
{
PIXEL11_20
}
break;
}
case 104:
case 108:
{
PIXEL00_21
PIXEL01_20
if (Diff(w[8], w[4]))
{
PIXEL10_0
}
else
{
PIXEL10_20
}
PIXEL11_22
break;
}
case 11:
case 139:
{
if (Diff(w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
PIXEL01_21
PIXEL10_22
PIXEL11_20
break;
}
case 19:
case 51:
{
if (Diff(w[2], w[6]))
{
PIXEL00_11
PIXEL01_10
}
else
{
PIXEL00_60
PIXEL01_90
}
PIXEL10_20
PIXEL11_21
break;
}
case 146:
case 178:
{
PIXEL00_22
if (Diff(w[2], w[6]))
{
PIXEL01_10
PIXEL11_12
}
else
{
PIXEL01_90
PIXEL11_61
}
PIXEL10_20
break;
}
case 84:
case 85:
{
PIXEL00_20
if (Diff(w[6], w[8]))
{
PIXEL01_11
PIXEL11_10
}
else
{
PIXEL01_60
PIXEL11_90
}
PIXEL10_21
break;
}
case 112:
case 113:
{
PIXEL00_20
PIXEL01_22
if (Diff(w[6], w[8]))
{
PIXEL10_12
PIXEL11_10
}
else
{
PIXEL10_61
PIXEL11_90
}
break;
}
case 200:
case 204:
{
PIXEL00_21
PIXEL01_20
if (Diff(w[8], w[4]))
{
PIXEL10_10
PIXEL11_11
}
else
{
PIXEL10_90
PIXEL11_60
}
break;
}
case 73:
case 77:
{
if (Diff(w[8], w[4]))
{
PIXEL00_12
PIXEL10_10
}
else
{
PIXEL00_61
PIXEL10_90
}
PIXEL01_20
PIXEL11_22
break;
}
case 42:
case 170:
{
if (Diff(w[4], w[2]))
{
PIXEL00_10
PIXEL10_11
}
else
{
PIXEL00_90
PIXEL10_60
}
PIXEL01_21
PIXEL11_20
break;
}
case 14:
case 142:
{
if (Diff(w[4], w[2]))
{
PIXEL00_10
PIXEL01_12
}
else
{
PIXEL00_90
PIXEL01_61
}
PIXEL10_22
PIXEL11_20
break;
}
case 67:
{
PIXEL00_11
PIXEL01_21
PIXEL10_21
PIXEL11_22
break;
}
case 70:
{
PIXEL00_22
PIXEL01_12
PIXEL10_21
PIXEL11_22
break;
}
case 28:
{
PIXEL00_21
PIXEL01_11
PIXEL10_22
PIXEL11_21
break;
}
case 152:
{
PIXEL00_21
PIXEL01_22
PIXEL10_22
PIXEL11_12
break;
}
case 194:
{
PIXEL00_22
PIXEL01_21
PIXEL10_21
PIXEL11_11
break;
}
case 98:
{
PIXEL00_22
PIXEL01_21
PIXEL10_12
PIXEL11_22
break;
}
case 56:
{
PIXEL00_21
PIXEL01_22
PIXEL10_11
PIXEL11_21
break;
}
case 25:
{
PIXEL00_12
PIXEL01_22
PIXEL10_22
PIXEL11_21
break;
}
case 26:
case 31:
{
if (Diff(w[4], w[2]))
{
PIXEL00_0
}
else
{
PIXEL00_20
}
if (Diff(w[2], w[6]))
{
PIXEL01_0
}
else
{
PIXEL01_20
}
PIXEL10_22
PIXEL11_21
break;
}
case 82:
case 214:
{
PIXEL00_22
if (Diff(w[2], w[6]))
{
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