From 9215a4d40ae24e5996a5e16dfa296b09a7befc40 Mon Sep 17 00:00:00 2001
From: Patrick Barron <barronpm@gmail.com>
Date: Tue, 31 Oct 2023 13:26:37 -0400
Subject: Add ITranscodeManager service

---
 MediaBrowser.Controller/Streaming/StreamState.cs | 183 +++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 MediaBrowser.Controller/Streaming/StreamState.cs

(limited to 'MediaBrowser.Controller/Streaming/StreamState.cs')

diff --git a/MediaBrowser.Controller/Streaming/StreamState.cs b/MediaBrowser.Controller/Streaming/StreamState.cs
new file mode 100644
index 000000000..b5dbe29ec
--- /dev/null
+++ b/MediaBrowser.Controller/Streaming/StreamState.cs
@@ -0,0 +1,183 @@
+using System;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Model.Dlna;
+
+namespace MediaBrowser.Controller.Streaming;
+
+/// <summary>
+/// The stream state dto.
+/// </summary>
+public class StreamState : EncodingJobInfo, IDisposable
+{
+    private readonly IMediaSourceManager _mediaSourceManager;
+    private readonly ITranscodeManager _transcodeManager;
+    private bool _disposed;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="StreamState" /> class.
+    /// </summary>
+    /// <param name="mediaSourceManager">Instance of the <see cref="IMediaSourceManager" /> interface.</param>
+    /// <param name="transcodingType">The <see cref="TranscodingJobType" />.</param>
+    /// <param name="transcodeManager">The <see cref="ITranscodeManager" /> singleton.</param>
+    public StreamState(IMediaSourceManager mediaSourceManager, TranscodingJobType transcodingType, ITranscodeManager transcodeManager)
+        : base(transcodingType)
+    {
+        _mediaSourceManager = mediaSourceManager;
+        _transcodeManager = transcodeManager;
+    }
+
+    /// <summary>
+    /// Gets or sets the requested url.
+    /// </summary>
+    public string? RequestedUrl { get; set; }
+
+    /// <summary>
+    /// Gets or sets the request.
+    /// </summary>
+    public StreamingRequestDto Request
+    {
+        get => (StreamingRequestDto)BaseRequest;
+        set
+        {
+            BaseRequest = value;
+            IsVideoRequest = VideoRequest is not null;
+        }
+    }
+
+    /// <summary>
+    /// Gets the video request.
+    /// </summary>
+    public VideoRequestDto? VideoRequest => Request as VideoRequestDto;
+
+    /// <summary>
+    /// Gets or sets the direct stream provicer.
+    /// </summary>
+    /// <remarks>
+    /// Deprecated.
+    /// </remarks>
+    public IDirectStreamProvider? DirectStreamProvider { get; set; }
+
+    /// <summary>
+    /// Gets or sets the path to wait for.
+    /// </summary>
+    public string? WaitForPath { get; set; }
+
+    /// <summary>
+    /// Gets a value indicating whether the request outputs video.
+    /// </summary>
+    public bool IsOutputVideo => Request is VideoRequestDto;
+
+    /// <summary>
+    /// Gets the segment length.
+    /// </summary>
+    public int SegmentLength
+    {
+        get
+        {
+            if (Request.SegmentLength.HasValue)
+            {
+                return Request.SegmentLength.Value;
+            }
+
+            if (EncodingHelper.IsCopyCodec(OutputVideoCodec))
+            {
+                var userAgent = UserAgent ?? string.Empty;
+
+                if (userAgent.Contains("AppleTV", StringComparison.OrdinalIgnoreCase)
+                    || userAgent.Contains("cfnetwork", StringComparison.OrdinalIgnoreCase)
+                    || userAgent.Contains("ipad", StringComparison.OrdinalIgnoreCase)
+                    || userAgent.Contains("iphone", StringComparison.OrdinalIgnoreCase)
+                    || userAgent.Contains("ipod", StringComparison.OrdinalIgnoreCase))
+                {
+                    return 6;
+                }
+
+                if (IsSegmentedLiveStream)
+                {
+                    return 3;
+                }
+
+                return 6;
+            }
+
+            return 3;
+        }
+    }
+
+    /// <summary>
+    /// Gets the minimum number of segments.
+    /// </summary>
+    public int MinSegments
+    {
+        get
+        {
+            if (Request.MinSegments.HasValue)
+            {
+                return Request.MinSegments.Value;
+            }
+
+            return SegmentLength >= 10 ? 2 : 3;
+        }
+    }
+
+    /// <summary>
+    /// Gets or sets the user agent.
+    /// </summary>
+    public string? UserAgent { get; set; }
+
+    /// <summary>
+    /// Gets or sets a value indicating whether to estimate the content length.
+    /// </summary>
+    public bool EstimateContentLength { get; set; }
+
+    /// <summary>
+    /// Gets or sets the transcode seek info.
+    /// </summary>
+    public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
+
+    /// <summary>
+    /// Gets or sets the transcoding job.
+    /// </summary>
+    public TranscodingJob? TranscodingJob { get; set; }
+
+    /// <inheritdoc />
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    /// <inheritdoc />
+    public override void ReportTranscodingProgress(TimeSpan? transcodingPosition, float? framerate, double? percentComplete, long? bytesTranscoded, int? bitRate)
+    {
+        _transcodeManager.ReportTranscodingProgress(TranscodingJob!, this, transcodingPosition, framerate, percentComplete, bytesTranscoded, bitRate);
+    }
+
+    /// <summary>
+    /// Disposes the stream state.
+    /// </summary>
+    /// <param name="disposing">Whether the object is currently being disposed.</param>
+    protected virtual void Dispose(bool disposing)
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        if (disposing)
+        {
+            // REVIEW: Is this the right place for this?
+            if (MediaSource.RequiresClosing
+                && string.IsNullOrWhiteSpace(Request.LiveStreamId)
+                && !string.IsNullOrWhiteSpace(MediaSource.LiveStreamId))
+            {
+                _mediaSourceManager.CloseLiveStream(MediaSource.LiveStreamId).GetAwaiter().GetResult();
+            }
+        }
+
+        TranscodingJob = null;
+
+        _disposed = true;
+    }
+}
-- 
cgit v1.2.3