private async static Task SaveInfo(DownloadInfo info, StorageFolder folder, StorageFolder episodeFolder)
{
try
{
DownloadSaveInfo downloadSaveInfo = new DownloadSaveInfo()
{
Cover = info.CoverUrl,
SeasonType = info.SeasonType,
Title = info.Title,
Type = info.Type,
ID = info.Type == DownloadType.Season? info.SeasonID.ToString():info.AVID
};
DownloadSaveEpisodeInfo downloadSaveEpisodeInfo = new DownloadSaveEpisodeInfo()
{
CID = info.CID,
DanmakuPath = "danmaku.xml",
EpisodeID = info.EpisodeID,
EpisodeTitle = info.EpisodeTitle,
AVID = info.AVID,
SubtitlePath = new List <DownloadSubtitleInfo>(),
Index = info.Index,
VideoPath = new List <string>(),
QualityID = info.QualityID,
QualityName = info.QualityName
};
if (info.Subtitles != null)
{
foreach (var item in info.Subtitles)
{
downloadSaveEpisodeInfo.SubtitlePath.Add(new DownloadSubtitleInfo()
{
Name = item.Name,
Url = item.Name + ".json"
});
}
}
foreach (var item in info.Urls)
{
downloadSaveEpisodeInfo.VideoPath.Add(item.FileName);
}
downloadSaveEpisodeInfo.IsDash = downloadSaveEpisodeInfo.VideoPath.FirstOrDefault(x => x.Contains(".m4s")) != null;
StorageFile file = await folder.CreateFileAsync("info.json", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteTextAsync(file, JsonConvert.SerializeObject(downloadSaveInfo));
StorageFile episodeFile = await episodeFolder.CreateFileAsync("info.json", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteTextAsync(episodeFile, JsonConvert.SerializeObject(downloadSaveEpisodeInfo));
}
catch (Exception ex)
{
LogHelper.Log("文件保存失败:" + episodeFolder.Path, LogType.ERROR, ex);
}
}
private async static void DownloadVideo(DownloadInfo downloadInfo, DownloadUrlInfo url, StorageFolder episodeFolder)
{
BackgroundDownloader downloader = new BackgroundDownloader();
if (url.HttpHeader != null)
{
foreach (var item in url.HttpHeader)
{
downloader.SetRequestHeader(item.Key, item.Value);
}
}
var parallelDownload = SettingHelper.GetValue <bool>(SettingHelper.Download.PARALLEL_DOWNLOAD, true);
var allowCostNetwork = SettingHelper.GetValue <bool>(SettingHelper.Download.ALLOW_COST_NETWORK, false);
//设置下载模式
if (parallelDownload)
{
group.TransferBehavior = BackgroundTransferBehavior.Parallel;
}
else
{
group.TransferBehavior = BackgroundTransferBehavior.Serialized;
}
downloader.TransferGroup = group;
//创建视频文件
StorageFile file = await episodeFolder.CreateFileAsync(url.FileName, CreationCollisionOption.OpenIfExists);
DownloadOperation downloadOp = downloader.CreateDownload(new Uri(url.Url), file);
//设置下载策略
if (allowCostNetwork)
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.Always;
}
else
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.UnrestrictedOnly;
}
var guid = downloadOp.Guid.ToString();
SettingHelper.SetValue(guid, new DownloadGUIDInfo()
{
CID = downloadInfo.CID,
Path = episodeFolder.Path,
EpisodeTitle = downloadInfo.EpisodeTitle,
FileName = url.FileName,
Title = downloadInfo.Title,
GUID = guid,
Type = downloadInfo.Type,
ID = downloadInfo.Type == DownloadType.Video? downloadInfo.AVID: downloadInfo.SeasonID.ToString()
});
try
{
await downloadOp.StartAsync();
}
catch (Exception)
{
}
}