From 264e0163ff260f5976e65a7799e57b1b5f66ebed Mon Sep 17 00:00:00 2001
From: Vasily <just.one.man@yandex.ru>
Date: Tue, 3 Mar 2020 19:09:33 +0300
Subject: [PATCH] Expose option to turn on/off transcode throttling

---
 src/controllers/encodingsettings.js | 2 ++
 src/encodingsettings.html           | 8 ++++++++
 src/strings/en-us.json              | 2 ++
 3 files changed, 12 insertions(+)

diff --git a/src/controllers/encodingsettings.js b/src/controllers/encodingsettings.js
index e164508856..ff140ed539 100644
--- a/src/controllers/encodingsettings.js
+++ b/src/controllers/encodingsettings.js
@@ -15,6 +15,7 @@ define(["jQuery", "loading", "globalize", "dom", "libraryMenu"], function ($, lo
         page.querySelector("#selectEncoderPreset").value = config.EncoderPreset || "";
         page.querySelector("#txtH264Crf").value = config.H264Crf || "";
         page.querySelector("#chkEnableSubtitleExtraction").checked = config.EnableSubtitleExtraction || false;
+        page.querySelector("#chkEnableThrottling").checked = config.EnableThrottling || false;
         page.querySelector("#selectVideoDecoder").dispatchEvent(new CustomEvent("change", {
             bubbles: true
         }));
@@ -58,6 +59,7 @@ define(["jQuery", "loading", "globalize", "dom", "libraryMenu"], function ($, lo
                 config.EncoderPreset = form.querySelector("#selectEncoderPreset").value;
                 config.H264Crf = parseInt(form.querySelector("#txtH264Crf").value || "0");
                 config.EnableSubtitleExtraction = form.querySelector("#chkEnableSubtitleExtraction").checked;
+                config.EnableThrottling = form.querySelector("#chkEnableThrottling").checked;
                 config.HardwareDecodingCodecs = Array.prototype.map.call(Array.prototype.filter.call(form.querySelectorAll(".chkDecodeCodec"), function (c) {
                     return c.checked;
                 }), function (c) {
diff --git a/src/encodingsettings.html b/src/encodingsettings.html
index 7d7c3a8c6a..bcdd86544e 100644
--- a/src/encodingsettings.html
+++ b/src/encodingsettings.html
@@ -144,6 +144,14 @@
                     <div class="fieldDescription checkboxFieldDescription">${AllowOnTheFlySubtitleExtractionHelp}</div>
                 </div>
 
+                <div class="checkboxContainer checkboxContainer-withDescription">
+                    <label>
+                        <input is="emby-checkbox" type="checkbox" id="chkEnableThrottling" />
+                        <span>${AllowFfmpegThrottling}</span>
+                    </label>
+                    <div class="fieldDescription checkboxFieldDescription">${AllowFfmpegThrottlingHelp}</div>
+                </div>
+
                 <div>
                     <button is="emby-button" type="submit" class="raised button-submit block">
                         <span>${ButtonSave}</span>
diff --git a/src/strings/en-us.json b/src/strings/en-us.json
index 2e370836fa..f24c4063d0 100644
--- a/src/strings/en-us.json
+++ b/src/strings/en-us.json
@@ -24,6 +24,8 @@
     "AllowMediaConversionHelp": "Grant or deny access to the convert media feature.",
     "AllowOnTheFlySubtitleExtraction": "Allow subtitle extraction on the fly",
     "AllowOnTheFlySubtitleExtractionHelp": "Embedded subtitles can be extracted from videos and delivered to clients in plain text in order to help prevent video transcoding. On some systems this can take a long time and cause video playback to stall during the extraction process. Disable this to have embedded subtitles burned in with video transcoding when they are not natively supported by the client device.",
+    "AllowFfmpegThrottling": "Allow slowing down transcoding when it gets ahead enough",
+    "AllowFfmpegThrottlingHelp": "When transcoding (or remuxing) gets ahead enough from current playback position, slow down the process so it would consume less resources. Useful when watching without much seeking around. Try turning it off if you experience playback issues.",
     "AllowRemoteAccess": "Allow remote connections to this Jellyfin Server.",
     "AllowRemoteAccessHelp": "If unchecked, all remote connections will be blocked.",
     "AllowedRemoteAddressesHelp": "Comma separated list of IP addresses or IP/netmask entries for networks that will be allowed to connect remotely. If left blank, all remote addresses will be allowed.",