SubtitleEdit/libse/TimeCode.cs

224 lines
7.1 KiB
C#

using System;
using Nikse.SubtitleEdit.Core.SubtitleFormats;
namespace Nikse.SubtitleEdit.Core
{
public class TimeCode
{
public static readonly TimeCode MaxTime = new TimeCode(99, 59, 59, 999);
public const double BaseUnit = 1000.0; // Base unit of time
private double _totalMilliseconds;
public bool IsMaxTime
{
get
{
return Math.Abs(_totalMilliseconds - MaxTime.TotalMilliseconds) < 0.01;
}
}
public static TimeCode FromSeconds(double seconds)
{
return new TimeCode(seconds * BaseUnit);
}
public static double ParseToMilliseconds(string text)
{
string[] parts = text.Split(new[] { ':', ',', '.' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
int hours;
int minutes;
int seconds;
int milliseconds;
if (int.TryParse(parts[0], out hours) && int.TryParse(parts[1], out minutes) && int.TryParse(parts[2], out seconds) && int.TryParse(parts[3], out milliseconds))
{
return new TimeSpan(0, hours, minutes, seconds, milliseconds).TotalMilliseconds;
}
}
return 0;
}
public static double ParseHHMMSSFFToMilliseconds(string text)
{
string[] parts = text.Split(new[] { ':', ',', '.' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length == 4)
{
int hours;
int minutes;
int seconds;
int frames;
if (int.TryParse(parts[0], out hours) && int.TryParse(parts[1], out minutes) && int.TryParse(parts[2], out seconds) && int.TryParse(parts[3], out frames))
{
return new TimeCode(hours, minutes, seconds, SubtitleFormat.FramesToMillisecondsMax999(frames)).TotalMilliseconds;
}
}
return 0;
}
public TimeCode(TimeSpan timeSpan)
{
_totalMilliseconds = timeSpan.TotalMilliseconds;
}
public TimeCode(double totalMilliseconds)
{
_totalMilliseconds = totalMilliseconds;
}
public TimeCode(int hour, int minute, int seconds, int milliseconds)
{
_totalMilliseconds = hour * 60 * 60 * BaseUnit + minute * 60 * BaseUnit + seconds * BaseUnit + milliseconds;
}
public int Hours
{
get
{
var ts = TimeSpan;
return ts.Hours + ts.Days * 24;
}
set
{
var ts = TimeSpan;
_totalMilliseconds = new TimeSpan(0, value, ts.Minutes, ts.Seconds, ts.Milliseconds).TotalMilliseconds;
}
}
public int Minutes
{
get
{
return TimeSpan.Minutes;
}
set
{
var ts = TimeSpan;
_totalMilliseconds = new TimeSpan(0, ts.Hours, value, ts.Seconds, ts.Milliseconds).TotalMilliseconds;
}
}
public int Seconds
{
get
{
return TimeSpan.Seconds;
}
set
{
var ts = TimeSpan;
_totalMilliseconds = new TimeSpan(0, ts.Hours, ts.Minutes, value, ts.Milliseconds).TotalMilliseconds;
}
}
public int Milliseconds
{
get
{
return TimeSpan.Milliseconds;
}
set
{
var ts = TimeSpan;
_totalMilliseconds = new TimeSpan(0, ts.Hours, ts.Minutes, ts.Seconds, value).TotalMilliseconds;
}
}
public double TotalMilliseconds
{
get { return _totalMilliseconds; }
set { _totalMilliseconds = value; }
}
public double TotalSeconds
{
get { return _totalMilliseconds / BaseUnit; }
set { _totalMilliseconds = value * BaseUnit; }
}
public TimeSpan TimeSpan
{
get
{
return TimeSpan.FromMilliseconds(_totalMilliseconds);
}
set
{
_totalMilliseconds = value.TotalMilliseconds;
}
}
public void AddTime(int hour, int minutes, int seconds, int milliseconds)
{
Hours += hour;
Minutes += minutes;
Seconds += seconds;
Milliseconds += milliseconds;
}
public void AddTime(long milliseconds)
{
_totalMilliseconds += milliseconds;
}
public void AddTime(TimeSpan timeSpan)
{
_totalMilliseconds += timeSpan.TotalMilliseconds;
}
public void AddTime(double milliseconds)
{
_totalMilliseconds += milliseconds;
}
public override string ToString()
{
var ts = TimeSpan;
string s = string.Format("{0:00}:{1:00}:{2:00},{3:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, ts.Milliseconds);
if (TotalMilliseconds >= 0)
return s;
return "-" + s.Replace("-", string.Empty);
}
public string ToShortString()
{
var ts = TimeSpan;
string s;
if (ts.Minutes == 0 && ts.Hours == 0 && ts.Days == 0)
s = string.Format("{0:0},{1:000}", ts.Seconds, ts.Milliseconds);
else if (ts.Hours == 0 && ts.Days == 0)
s = string.Format("{0:0}:{1:00},{2:000}", ts.Minutes, ts.Seconds, ts.Milliseconds);
else
s = string.Format("{0:0}:{1:00}:{2:00},{3:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, ts.Milliseconds);
if (TotalMilliseconds >= 0)
return s;
return "-" + s.Replace("-", string.Empty);
}
public string ToShortStringHHMMSSFF()
{
var ts = TimeSpan;
if (ts.Minutes == 0 && ts.Hours == 0)
return string.Format("{0:00}:{1:00}", ts.Seconds, SubtitleFormat.MillisecondsToFramesMaxFrameRate(ts.Milliseconds));
if (ts.Hours == 0)
return string.Format("{0:00}:{1:00}:{2:00}", ts.Minutes, ts.Seconds, SubtitleFormat.MillisecondsToFramesMaxFrameRate(ts.Milliseconds));
return string.Format("{0:00}:{1:00}:{2:00}:{3:00}", ts.Hours, ts.Minutes, ts.Seconds, SubtitleFormat.MillisecondsToFramesMaxFrameRate(ts.Milliseconds));
}
public string ToHHMMSSFF()
{
var ts = TimeSpan;
return string.Format("{0:00}:{1:00}:{2:00}:{3:00}", ts.Hours, ts.Minutes, ts.Seconds, SubtitleFormat.MillisecondsToFramesMaxFrameRate(ts.Milliseconds));
}
public string ToHHMMSSPeriodFF()
{
var ts = TimeSpan;
return string.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, SubtitleFormat.MillisecondsToFramesMaxFrameRate(ts.Milliseconds));
}
}
}