本文整理匯總了C#中BitWriter.WriteVarIntSigned方法的典型用法代碼示例。如果您正苦於以下問題：C# BitWriter.WriteVarIntSigned方法的具體用法？C# BitWriter.WriteVarIntSigned怎麽用？C# BitWriter.WriteVarIntSigned使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類BitWriter的用法示例。
在下文中一共展示了BitWriter.WriteVarIntSigned方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: EncodePrediction
private unsafe byte[] EncodePrediction(Bitmap Frame)
{
//We'll just look if there are blocks that are 100% the same first
BitmapData d = Frame.LockBits(new Rectangle(0, 0, Frame.Width, Frame.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
BitmapData prev = PastFrames[1].LockBits(new Rectangle(0, 0, Frame.Width, Frame.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
for (int y = 0; y < Height; y += 16)
{
for (int x = 0; x < Width; x += 16)
{
MacroBlocks[y / 16][x / 16] = new MacroBlock(d, x, y);
bool same = true;
for (int y2 = 0; y2 < 16; y2++)
{
ulong* pA = (ulong*)(((byte*)d.Scan0) + (y + y2) * d.Stride + x * 4);
ulong* pB = (ulong*)(((byte*)prev.Scan0) + (y + y2) * prev.Stride + x * 4);
for (int x2 = 0; x2 < 16; x2+=2)
{
ulong color = *pA++;
ulong color2 = *pB++;
if (color != color2)
{
same = false;
break;
}
}
if (!same) break;
}
if (same) MacroBlocks[y / 16][x / 16].Predict = true;
else
{
Analyzer.ConfigureBlockY(this, MacroBlocks[y / 16][x / 16]);
int blocktype2 = Analyzer.AnalyzeBlockUV(this, MacroBlocks[y / 16][x / 16]);
MacroBlocks[y / 16][x / 16].UVPredictionMode = blocktype2;
MacroBlocks[y / 16][x / 16].UVUseComplex8x8[0] = true;
MacroBlocks[y / 16][x / 16].UVUseComplex8x8[1] = true;
MacroBlocks[y / 16][x / 16].SetupDCTs(this);
}
}
}
Frame.UnlockBits(d);
PastFrames[1].UnlockBits(prev);
BitWriter b = new BitWriter();
b.WriteBits(0, 1);//Interframe
b.WriteVarIntSigned(0);
for (int y = 0; y < Height; y += 16)
{
for (int x = 0; x < Width; x += 16)
{
MacroBlock curblock = MacroBlocks[y / 16][x / 16];
if (curblock.Predict)
{
b.WriteBits(1, 1);
b.WriteVarIntUnsigned(0);
}
else
{
b.WriteBits(0xE >> 1, 5);
EncodeBlockIntra(curblock, b);
}
}
}
b.WriteBits(0, 16);
b.Flush();
byte[] result = b.ToArray();
return result;
}