Ryujinx/Ryujinx.Graphics.Nvdec/VDec/VpxBitStreamWriter.cs
2020-01-09 02:13:00 +01:00

38 lines
No EOL
800 B
C#

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);
}
}
}
}