public async Task <M3U8DownloadResult> DownloadM3U8FilesAsParallel(M3U8File mfile, string savedir, CancellationToken token, bool skipexistfile = true)
{
var result = new M3U8DownloadResult();
try
{
Directory.CreateDirectory(savedir);
DownloadM3U8Head(mfile.Head, savedir);
if (token.IsCancellationRequested)
{
result.IsCancelled = true;
return(result);
}
var action = new Action <M3U8Segment, bool>((node, succ) =>
{
if (succ)
{
result.DownloadedNodes.Add(node);
}
var e = new M3U8VideoDownloadProgressChangedArgs(mfile, node)
{
IsNodeDownloadSuccess = succ,
Count = result.DownloadedNodes.Count
};
OnReport(e);
});
await DownloadM3U8SegmentsAsParallel(mfile.Segments, savedir, token, skipexistfile, action);
}
catch (Exception ex)
{
result.Exception = ex;
}
return(result);
}
/// <summary>
/// 异步下载M3U8视频
/// </summary>
/// <param name="target"></param>
/// <param name="savedir"></param>
public async Task <M3U8DownloadResult> DownloadM3U8VideoFilesAsync(M3U8File target, string savedir, CancellationToken token, bool skipexistsegment = false)
{
var result = new M3U8DownloadResult();
try
{
Directory.CreateDirectory(savedir);
await Task.Factory.StartNew(() => DownloadM3U8Head(target.Head, savedir), token);
var action = new Action <M3U8Segment, bool>((node, succ) =>
{
if (succ)
{
result.DownloadedNodes.Add(node);
}
var arg = new M3U8VideoDownloadProgressChangedArgs(target, node)
{
IsNodeDownloadSuccess = succ,
Count = result.DownloadedNodes.Count
};
OnReport(arg);
token.ThrowIfCancellationRequested();
});
result.IsCancelled = await DownloadM3U8VideoSegments(target.Segments, savedir, skipexistsegment, action);
if (!result.IsCancelled)
{
result.IsComplete = true;
}
}
catch (Exception ex)
{
result.Exception = ex;
}
return(result);
}