/// <summary>
/// 将当前字幕转化为参数类型的字幕
/// </summary>
/// <param name="type">要转化的字幕类型</param>
/// <param name="outPath">输出路径</param>
/// <returns></returns>
public virtual ReadSubtitles convertTo(uint type = SubtitlesType.Type_SRT, string outPath = "")
{
if (type == SubtitlesType.Type_Current)
{
if (this is ReadASS)
{
type = SubtitlesType.Type_ASS;
}
else
{
type = SubtitlesType.Type_SRT;
}
}
ReadSubtitles rs = null;
switch (type)
{
case 1:
//srt
rs = new ReadSRT();
rs.subtitlesUnits = new List <SubtitlesUnit>();
for (int i = 0; i < subtitlesUnits.Count; i++)
{
rs.subtitlesUnits.Add(new SRTUnit(subtitlesUnits[i]));
}
break;
case 2:
//ASS
rs = new ReadASS();
(rs as ReadASS).StyleList.Add(new Styles());
(rs as ReadASS).ScriptInfomation = new ScriptInfo();
//rs.subtitlesUnits = new List<SubtitlesUnit>();
for (int i = 0; i < subtitlesUnits.Count; i++)
{
rs.subtitlesUnits.Add(new ASSUnit(subtitlesUnits[i]));
}
break;
}
if (outPath != "")
{
rs.writeSubtitles(outPath);
}
return(rs);
}
/// <summary>
/// 从指定路径读取字幕文件
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public static ReadSubtitles ReadSubtitlesFromPath(string path)
{
if (!File.Exists(path))
{
return(null);
}
ReadSubtitles rs = null;
switch (Path.GetExtension(path).ToLower())
{
case ".srt":
rs = new ReadSRT();
break;
case ".ass":
rs = new ReadASS();
break;
}
if (rs != null)
{
rs.readSubtitles(path);
}
return(rs);
}
/// <summary>
/// 将当前字幕和参数中的字幕,按照时间进行合并,如果开始和结束时间相同,合并为同一个字幕元素,当前字幕在上方
/// </summary>
/// <param name="subtitles">要参与合并的字幕</param>
/// <param name="outPath">合并后字幕要输出的位置, 如果此值不为空,且为正确的路径,回自动写入合并后的字幕</param>
/// <returns>合并后的字幕</returns>
public ReadSubtitles mergeSubtitlesByTime(ReadSubtitles subtitles, uint type = SubtitlesType.Type_Current, string outPath = "")
{
ReadSRT rtn = new ReadSRT();
rtn.subtitlesUnits = new List <SubtitlesUnit>();
int lens1 = subtitlesUnits.Count;
int lens2 = subtitles.subtitlesUnits.Count;
rtn.fileInUrl = outPath == "" ? fileInUrl : outPath;
SRTUnit tempUnit;
int i = 0, j = 0;
while (i < lens1 || j < lens2)
{
tempUnit = new SRTUnit();
if (i < lens1)
{
if (j < lens2)
{
if (subtitlesUnits[i].BeginTime == subtitles.subtitlesUnits[j].BeginTime && subtitlesUnits[i].EndTime == subtitles.subtitlesUnits[j].EndTime)
{
tempUnit.BeginTime = subtitlesUnits[i].BeginTime;
tempUnit.EndTime = subtitlesUnits[i].EndTime;
tempUnit.Contents.AddRange(subtitlesUnits[i].Contents);
tempUnit.Contents.AddRange(subtitles.subtitlesUnits[j].Contents);
i++;
j++;
}
else if (subtitlesUnits[i].BeginTime < subtitles.subtitlesUnits[j].BeginTime)
{
tempUnit.BeginTime = subtitlesUnits[i].BeginTime;
tempUnit.EndTime = subtitlesUnits[i].EndTime;
tempUnit.Contents.AddRange(subtitlesUnits[i].Contents);
i++;
}
else
{
tempUnit.BeginTime = subtitles.subtitlesUnits[j].BeginTime;
tempUnit.EndTime = subtitles.subtitlesUnits[j].EndTime;
tempUnit.Contents.AddRange(subtitles.subtitlesUnits[j].Contents);
j++;
}
}
else
{
tempUnit.BeginTime = subtitlesUnits[i].BeginTime;
tempUnit.EndTime = subtitlesUnits[i].EndTime;
tempUnit.Contents.AddRange(subtitlesUnits[i].Contents);
i++;
}
}
else
{
tempUnit.BeginTime = subtitles.subtitlesUnits[j].BeginTime;
tempUnit.EndTime = subtitles.subtitlesUnits[j].EndTime;
tempUnit.Contents.AddRange(subtitles.subtitlesUnits[j].Contents);
j++;
}
rtn.subtitlesUnits.Add(tempUnit);
}
ReadSubtitles rs = this.convertTo(type);
if (outPath != null && outPath.Length > 0)
{
rs.writeSubtitles();
}
return(rs);
}
