jellyfin/DvdLib/Ifo/DvdTime.cs

32 lines
895 B
C#
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using System;
namespace DvdLib.Ifo
{
public class DvdTime
{
public readonly byte Hour, Minute, Second, Frames, FrameRate;
public DvdTime(byte[] data)
{
Hour = GetBCDValue(data[0]);
Minute = GetBCDValue(data[1]);
Second = GetBCDValue(data[2]);
Frames = GetBCDValue((byte)(data[3] & 0x3F));
if ((data[3] & 0x80) != 0) FrameRate = 30;
else if ((data[3] & 0x40) != 0) FrameRate = 25;
}
private static byte GetBCDValue(byte data)
{
return (byte)((((data & 0xF0) >> 4) * 10) + (data & 0x0F));
}
public static explicit operator TimeSpan(DvdTime time)
{
int ms = (int)(((1.0 / (double)time.FrameRate) * time.Frames) * 1000.0);
return new TimeSpan(0, time.Hour, time.Minute, time.Second, ms);
}
}
}