Ryujinx/Ryujinx.Graphics.Nvdec/VDec/VpxBitStreamWriter.cs

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C#
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2020-01-01 01:08:02 +01:00
using System.IO;
namespace Ryujinx.Graphics.VDec
{
class VpxBitStreamWriter : BitStreamWriter
{
public VpxBitStreamWriter(Stream baseStream) : base(baseStream) { }
public void WriteU(int value, int valueSize)
{
WriteBits(value, valueSize);
}
public void WriteS(int value, int valueSize)
{
bool sign = value < 0;
if (sign)
{
value = -value;
}
WriteBits((value << 1) | (sign ? 1 : 0), valueSize + 1);
}
public void WriteDeltaQ(int value)
{
bool deltaCoded = value != 0;
WriteBit(deltaCoded);
if (deltaCoded)
{
WriteBits(value, 4);
}
}
}
}