Trickplay generation, manager, storage

MediaBrowser.Controller/Trickplay/ITrickplayManager.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Entities;
+
+namespace MediaBrowser.Controller.Trickplay
+{
+    /// <summary>
+    /// Interface ITrickplayManager.
+    /// </summary>
+    public interface ITrickplayManager
+    {
+        /// <summary>
+        /// Generate or replace trickplay data.
+        /// </summary>
+        /// <param name="video">The video.</param>
+        /// <param name="replace">Whether or not existing data should be replaced.</param>
+        /// <param name="cancellationToken">CancellationToken to use for operation.</param>
+        /// <returns>Task.</returns>
+        Task RefreshTrickplayData(Video video, bool replace, CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Get available trickplay resolutions and corresponding info.
+        /// </summary>
+        /// <param name="itemId">The item.</param>
+        /// <returns>Map of width resolutions to trickplay tiles info.</returns>
+        Dictionary<int, TrickplayTilesInfo> GetTilesResolutions(Guid itemId);
+
+        /// <summary>
+        /// Saves trickplay tiles info.
+        /// </summary>
+        /// <param name="itemId">The item.</param>
+        /// <param name="tilesInfo">The trickplay tiles info.</param>
+        void SaveTilesInfo(Guid itemId, TrickplayTilesInfo tilesInfo);
+
+        /// <summary>
+        /// Gets the trickplay manifest.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns>A map of media source id to a map of tile width to tile info.</returns>
+        Dictionary<Guid, Dictionary<int, TrickplayTilesInfo>> GetTrickplayManifest(BaseItem item);
+
+        /// <summary>
+        /// Gets the path to a trickplay tiles image.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <param name="width">The width of a single tile.</param>
+        /// <param name="index">The tile grid's index.</param>
+        /// <returns>The absolute path.</returns>
+        string GetTrickplayTilePath(BaseItem item, int width, int index);
+    }
+}