public static async Task DownloadShowAsync(One show, Live live, IDown d)
{
DownManager.down = d;
// http://media2.neu6.edu.cn/review/program-1524520800-1524526860-chchd.m3u8
var url = String.Format("http://media2.neu6.edu.cn/review/program-{0}-{1}-{2}.m3u8",
show.start, show.end, live.GetSimpleName());
Debug.WriteLine(url);
//创建下载目录
var downloadDic = await KnownFolders.VideosLibrary.CreateFolderAsync("NEUTV download",
CreationCollisionOption.OpenIfExists);
//下载m3u8文件
HttpClient httpClient = new HttpClient();
var response = await httpClient.GetAsync(new Uri(url));
var res = await response.Content.ReadAsStringAsync();
Regex re = new Regex(@"(?<url>http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?)");
MatchCollection mc = re.Matches(res);
List <String> urlList = new List <string>();
var tsRe = new Regex(@"(?<ts>[0-9]+\.ts)");
foreach (Match m in mc)
{
var clipUrl = m.Result("${url}");
urlList.Add(clipUrl);
}
if (down != null)
{
down.Start(urlList.Count);
}
//创建临时文件夹
var tempDic = await downloadDic.CreateFolderAsync("temp",
CreationCollisionOption.GenerateUniqueName);
//下载 视频分片
var Tasks = new List <Task>();
TaskFactory fac = new TaskFactory();
Debug.WriteLine("start all");
try
{
Task.Run(() =>
{
Parallel.ForEach <string>(urlList, new ParallelOptions()
{
MaxDegreeOfParallelism = 10
},
videoUrl => {
Act(videoUrl, httpClient, tempDic).Wait();
});
}).ContinueWith((obj) =>
{
Debug.WriteLine("end all");
SaveVideoFile(tempDic, downloadDic, urlList);
});
}
catch (Exception e)
{
}
}