From ca7d1a13000ad948eebbfdeb40542312f3e37d3e Mon Sep 17 00:00:00 2001
From: nicknsy <20588554+nicknsy@users.noreply.github.com>
Date: Wed, 22 Feb 2023 00:08:35 -0800
Subject: Trickplay generation, manager, storage

---
 .../MediaEncoding/EncodingHelper.cs                | 35 ++++++++++++++++++++++
 .../MediaEncoding/IMediaEncoder.cs                 | 27 +++++++++++++++++
 2 files changed, 62 insertions(+)

(limited to 'MediaBrowser.Controller/MediaEncoding')

diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
index b155d674d..0889a90f4 100644
--- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
+++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs
@@ -149,6 +149,36 @@ namespace MediaBrowser.Controller.MediaEncoding
             return defaultEncoder;
         }
 
+        private string GetMjpegEncoder(EncodingJobInfo state, EncodingOptions encodingOptions)
+        {
+            var defaultEncoder = "mjpeg";
+
+            if (state.VideoType == VideoType.VideoFile)
+            {
+                var hwType = encodingOptions.HardwareAccelerationType;
+
+                var codecMap = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
+                {
+                    { "vaapi",                  defaultEncoder + "_vaapi" },
+                    { "qsv",                defaultEncoder + "_qsv" }
+                };
+
+                if (!string.IsNullOrEmpty(hwType)
+                    && encodingOptions.EnableHardwareEncoding
+                    && codecMap.ContainsKey(hwType))
+                {
+                    var preferredEncoder = codecMap[hwType];
+
+                    if (_mediaEncoder.SupportsEncoder(preferredEncoder))
+                    {
+                        return preferredEncoder;
+                    }
+                }
+            }
+
+            return defaultEncoder;
+        }
+
         private bool IsVaapiSupported(EncodingJobInfo state)
         {
             // vaapi will throw an error with this input
@@ -277,6 +307,11 @@ namespace MediaBrowser.Controller.MediaEncoding
                     return GetH264Encoder(state, encodingOptions);
                 }
 
+                if (string.Equals(codec, "mjpeg", StringComparison.OrdinalIgnoreCase))
+                {
+                    return GetMjpegEncoder(state, encodingOptions);
+                }
+
                 if (string.Equals(codec, "vp8", StringComparison.OrdinalIgnoreCase)
                     || string.Equals(codec, "vpx", StringComparison.OrdinalIgnoreCase))
                 {
diff --git a/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs b/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
index f830b9f29..aa9faa936 100644
--- a/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
+++ b/MediaBrowser.Controller/MediaEncoding/IMediaEncoder.cs
@@ -6,6 +6,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Model.Configuration;
 using MediaBrowser.Model.Dlna;
 using MediaBrowser.Model.Drawing;
 using MediaBrowser.Model.Dto;
@@ -137,6 +138,32 @@ namespace MediaBrowser.Controller.MediaEncoding
         /// <returns>Location of video image.</returns>
         Task<string> ExtractVideoImage(string inputFile, string container, MediaSourceInfo mediaSource, MediaStream imageStream, int? imageStreamIndex, ImageFormat? targetFormat, CancellationToken cancellationToken);
 
+        /// <summary>
+        /// Extracts the video images on interval.
+        /// </summary>
+        /// <param name="inputFile">Input file.</param>
+        /// <param name="container">Video container type.</param>
+        /// <param name="mediaSource">Media source information.</param>
+        /// <param name="imageStream">Media stream information.</param>
+        /// <param name="interval">The interval.</param>
+        /// <param name="maxWidth">The maximum width.</param>
+        /// <param name="allowHwAccel">Allow for hardware acceleration.</param>
+        /// <param name="allowHwEncode">Allow for hardware encoding. allowHwAccel must also be true.</param>
+        /// <param name="encodingHelper">EncodingHelper instance.</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Directory where images where extracted. A given image made before another will always be named with a lower number.</returns>
+        Task<string> ExtractVideoImagesOnIntervalAccelerated(
+            string inputFile,
+            string container,
+            MediaSourceInfo mediaSource,
+            MediaStream imageStream,
+            TimeSpan interval,
+            int maxWidth,
+            bool allowHwAccel,
+            bool allowHwEncode,
+            EncodingHelper encodingHelper,
+            CancellationToken cancellationToken);
+
         /// <summary>
         /// Gets the media info.
         /// </summary>
-- 
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