private static LineBlock[] InterlacedFrame(TimingConstants timing)
{
byte dark = timing.SyncTimes.BlackLevel, sign = 255, sync = 0;
var synlLine = new[] {
new LineSegment {
Value = sync, Duration = (long)(ps * (0.5 * timing.LineTime - timing.SyncTimes.LineSyncTime))
},
new LineSegment {
Value = dark, Duration = (long)(ps * timing.SyncTimes.LineSyncTime)
}
};
var synsLine = new[] {
new LineSegment {
Value = dark, Duration = (long)(ps * (0.5 * timing.LineTime - timing.SyncTimes.EquPulseTime))
},
new LineSegment {
Value = sync, Duration = (long)(ps * timing.SyncTimes.EquPulseTime)
}
};
var pictureLine = new[] {
new LineSegment {
Value = sync, Duration = (long)(ps * timing.SyncTimes.LineSyncTime)
},
new LineSegment {
Value = dark, Duration = (long)(ps * (timing.SyncTimes.LineBlankingTime - timing.SyncTimes.FrontPorchTime - timing.SyncTimes.LineSyncTime))
},
new LineSegment {
Value = sign, Duration = (long)(ps * (timing.LineTime - timing.SyncTimes.LineBlankingTime))
},
new LineSegment {
Value = dark, Duration = (long)(ps * timing.SyncTimes.FrontPorchTime)
},
};
var blankLine = new[] {
new LineSegment {
Value = sync, Duration = (long)(ps * timing.SyncTimes.LineSyncTime)
},
new LineSegment {
Value = dark, Duration = (long)(ps * (timing.LineTime - timing.SyncTimes.LineSyncTime))
},
};
return(new[] {
new LineBlock {
Count = 5, LineSegments = synlLine
}, new LineBlock {
Count = 5, LineSegments = synsLine
},
new LineBlock {
Count = 12, LineSegments = blankLine
},
new LineBlock {
Count = 293, LineSegments = pictureLine, dy = 2, sy = 1
},
new LineBlock {
Count = 5, LineSegments = synsLine
}, new LineBlock {
Count = 5, LineSegments = synlLine
}, new LineBlock {
Count = 4, LineSegments = synsLine
},
new LineBlock {
Count = 12, LineSegments = blankLine
},
new LineBlock {
Count = 293, LineSegments = pictureLine, dy = 2, sy = 0
},
new LineBlock {
Count = 6, LineSegments = synsLine
},
});
}
private VideoConstants(LineBlock[] lineBlocks, TimingConstants timing, bool interlaced)
{
LineBlocks = lineBlocks;
Timing = timing;
InterlacedScaler = interlaced ? 2 : 1;
}
