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jellyfin/MediaBrowser.Api/Playback/Hls/HlsSegmentService.cs

123 lines
3.9 KiB

using MediaBrowser.Controller;
using ServiceStack;
using System;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
namespace MediaBrowser.Api.Playback.Hls
{
/// <summary>
/// Class GetHlsAudioSegment
/// </summary>
[Route("/Audio/{Id}/hls/{SegmentId}/stream.mp3", "GET")]
[Route("/Audio/{Id}/hls/{SegmentId}/stream.aac", "GET")]
[Api(Description = "Gets an Http live streaming segment file. Internal use only.")]
public class GetHlsAudioSegment
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
public string Id { get; set; }
/// <summary>
/// Gets or sets the segment id.
/// </summary>
/// <value>The segment id.</value>
public string SegmentId { get; set; }
}
/// <summary>
/// Class GetHlsVideoSegment
/// </summary>
[Route("/Videos/{Id}/hls/{PlaylistId}/stream.m3u8", "GET")]
[Api(Description = "Gets an Http live streaming segment file. Internal use only.")]
public class GetHlsPlaylist
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
public string Id { get; set; }
public string PlaylistId { get; set; }
}
[Route("/Videos/ActiveEncodings", "DELETE")]
[Api(Description = "Stops an encoding process")]
public class StopEncodingProcess
{
[ApiMember(Name = "DeviceId", Description = "The device id of the client requesting. Used to stop encoding processes when needed.", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "DELETE")]
public string DeviceId { get; set; }
}
public class HlsSegmentService : BaseApiService
{
private readonly IServerApplicationPaths _appPaths;
public HlsSegmentService(IServerApplicationPaths appPaths)
{
_appPaths = appPaths;
}
public object Get(GetHlsPlaylist request)
{
OnBeginRequest(request.PlaylistId);
var file = request.PlaylistId + Path.GetExtension(Request.PathInfo);
file = Path.Combine(_appPaths.TranscodingTempPath, file);
return ResultFactory.GetStaticFileResult(Request, file, FileShare.ReadWrite);
}
public void Delete(StopEncodingProcess request)
{
ApiEntryPoint.Instance.KillTranscodingJobs(request.DeviceId, true);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetHlsAudioSegment request)
{
var file = request.SegmentId + Path.GetExtension(Request.PathInfo);
file = Path.Combine(_appPaths.TranscodingTempPath, file);
return ResultFactory.GetStaticFileResult(Request, file, FileShare.ReadWrite);
}
/// <summary>
/// Called when [begin request].
/// </summary>
/// <param name="playlistId">The playlist id.</param>
protected void OnBeginRequest(string playlistId)
{
var normalizedPlaylistId = playlistId.Replace("-low", string.Empty);
foreach (var playlist in Directory.EnumerateFiles(_appPaths.TranscodingTempPath, "*.m3u8")
.Where(i => i.IndexOf(normalizedPlaylistId, StringComparison.OrdinalIgnoreCase) != -1)
.ToList())
{
if (!string.IsNullOrEmpty(playlist))
{
ExtendPlaylistTimer(playlist);
}
}
}
private async void ExtendPlaylistTimer(string playlist)
{
ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType.Hls);
await Task.Delay(20000).ConfigureAwait(false);
ApiEntryPoint.Instance.OnTranscodeEndRequest(playlist, TranscodingJobType.Hls);
}
}
}