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using MediaBrowser.Common.Net.Handlers;
using MediaBrowser.Controller;
using System;
using System.IO;
using System.Net;
using System.Threading.Tasks;
namespace MediaBrowser.Api.Streaming
{
/// <summary>
/// Class HlsSegmentHandler
/// </summary>
public class HlsSegmentHandler : BaseHandler<Kernel>
{
/// <summary>
/// The segment file prefix
/// </summary>
public const string SegmentFilePrefix = "segment-";
/// <summary>
/// Handleses the request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns>
public override bool HandlesRequest(HttpListenerRequest request)
{
const string url = "/api/" + SegmentFilePrefix;
return request.Url.LocalPath.IndexOf(url, StringComparison.OrdinalIgnoreCase) != -1;
}
/// <summary>
/// Writes the response to output stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="responseInfo">The response info.</param>
/// <param name="contentLength">Length of the content.</param>
/// <returns>Task.</returns>
/// <exception cref="System.NotImplementedException"></exception>
/// <exception cref="NotImplementedException"></exception>
protected override Task WriteResponseToOutputStream(Stream stream, ResponseInfo responseInfo, long? contentLength)
{
throw new NotImplementedException();
}
/// <summary>
/// Gets the response info.
/// </summary>
/// <returns>Task{ResponseInfo}.</returns>
/// <exception cref="System.NotImplementedException"></exception>
/// <exception cref="NotImplementedException"></exception>
protected override Task<ResponseInfo> GetResponseInfo()
{
throw new NotImplementedException();
}
/// <summary>
/// Processes the request.
/// </summary>
/// <param name="ctx">The CTX.</param>
/// <returns>Task.</returns>
public override async Task ProcessRequest(HttpListenerContext ctx)
{
var path = Path.GetFileName(ctx.Request.Url.LocalPath);
path = Path.Combine(Kernel.ApplicationPaths.FFMpegStreamCachePath, path);
var playlistFilename = Path.GetFileNameWithoutExtension(path).Substring(SegmentFilePrefix.Length);
playlistFilename = playlistFilename.Substring(0, playlistFilename.Length - 3);
var playlistPath = Path.Combine(Path.GetDirectoryName(path), playlistFilename + ".m3u8");
Plugin.Instance.OnTranscodeBeginRequest(playlistPath, TranscodingJobType.Hls);
try
{
await new StaticFileHandler(Kernel) { Path = path }.ProcessRequest(ctx).ConfigureAwait(false);
}
finally
{
Plugin.Instance.OnTranscodeEndRequest(playlistPath, TranscodingJobType.Hls);
}
}
}
}
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