support configurable transcoding temporary path

dashboard-ui/encodingsettings.html

@@ -19,13 +19,21 @@
                     <fieldset data-role="controlgroup">
                         <legend>Transcoding Quality Preference:</legend>
                         <input type="radio" name="radioEncodingQuality" class="radioEncodingQuality" id="radioAuto" value="Auto">
-                        <label for="radioAuto">Auto<br /><span style="font-weight:normal;">The server will decide quality and speed</span></label>
+                        <label for="radioAuto">
+                            Auto<br />
+                            <span style="font-weight: normal;">The server will decide quality and speed</span></label>
                         <input type="radio" name="radioEncodingQuality" class="radioEncodingQuality" id="radioHighSpeed" value="HighSpeed">
-                        <label for="radioHighSpeed">Higher speed<br /><span style="font-weight:normal;">Lower quality, but faster encoding</span></label>
+                        <label for="radioHighSpeed">
+                            Higher speed<br />
+                            <span style="font-weight: normal;">Lower quality, but faster encoding</span></label>
                         <input type="radio" name="radioEncodingQuality" class="radioEncodingQuality" id="radioHighQuality" value="HighQuality">
-                        <label for="radioHighQuality">Higher quality<br /><span style="font-weight:normal;">Higher quality, but slower encoding</span></label>
+                        <label for="radioHighQuality">
+                            Higher quality<br />
+                            <span style="font-weight: normal;">Higher quality, but slower encoding</span></label>
                         <input type="radio" name="radioEncodingQuality" class="radioEncodingQuality" id="radioMaxQuality" value="MaxQuality">
-                        <label for="radioMaxQuality">Max quality<br /><span style="font-weight:normal;">Best quality with slower encoding and high CPU usage</span></label>
+                        <label for="radioMaxQuality">
+                            Max quality<br />
+                            <span style="font-weight: normal;">Best quality with slower encoding and high CPU usage</span></label>
                     </fieldset>
 
                     <br />
@@ -35,6 +43,27 @@
                             <label for="chkEnableDebugEncodingLogging">Enable debug transcoding logging</label>
                             <div class="fieldDescription">This will create very large log files and is only recommended as needed for troubleshooting purposes.</div>
                         </li>
+                    </ul>
+
+                    <h2>Transcoding Temporary Path</h2>
+                    <ul data-role="listview" class="ulForm">
+                        <li>
+                            <input type="checkbox" id="chkEnableCustomTranscodingTempPath" name="chkEnableCustomTranscodingTempPath" data-mini="true" />
+                            <label for="chkEnableCustomTranscodingTempPath">Use custom transcoding temporary path</label>
+                            <div class="fieldDescription">
+                                This folder contains server cache files, such as images.
+                            </div>
+                        </li>
+                        <li id="fldEnterTranscodingTempPath" style="display: none;">
+                            <label for="txtTranscodingTempPath">Server cache path: </label>
+                            <div style="display: inline-block; width: 92%;">
+                                <input type="text" id="txtTranscodingTempPath" name="txtTranscodingTempPath" data-mini="true" />
+                            </div>
+                            <button id="btnSelectTranscodingTempPath" type="button" data-icon="search" data-iconpos="notext" data-inline="true">Select Directory</button>
+                            <div class="fieldDescription">
+                                Supply a custom cache path. Media Browser Server must have write access to this folder. The location of this folder will directly impact server performance and should ideally be placed on a solid state drive.
+                            </div>
+                        </li>
                         <li>
                             <button type="submit" data-theme="b" data-icon="check" data-mini="true">
                                 Save
@@ -43,7 +72,6 @@
                                 Cancel
                             </button>
                         </li>
-
                     </ul>
                 </form>
             </div>

dashboard-ui/scripts/encodingsettings.js

@@ -10,10 +10,58 @@
 
         }).checkboxradio('refresh');
         
+        $('#txtTranscodingTempPath', page).val(config.TranscodingTempPath || '');
+
+        var transcodingTempPath = config.TranscodingTempPath ? true : false;
+        $('#chkEnableCustomTranscodingTempPath', page).checked(transcodingTempPath).checkboxradio("refresh");
+
+        if (transcodingTempPath) {
+            $('#fldEnterTranscodingTempPath', page).show();
+            $('#txtTranscodingTempPath', page).attr("required", "required");
+        } else {
+            $('#fldEnterTranscodingTempPath', page).hide();
+            $('#txtTranscodingTempPath', page).removeAttr("required");
+        }
+
         Dashboard.hideLoadingMsg();
     }
 
-    $(document).on('pageshow', "#encodingSettingsPage", function () {
+    $(document).on('pageinit', "#encodingSettingsPage", function () {
+
+        var page = this;
+
+        $('#btnSelectTranscodingTempPath', page).on("click.selectDirectory", function () {
+
+            var picker = new DirectoryBrowser(page);
+
+            picker.show({
+
+                callback: function (path) {
+
+                    if (path) {
+                        $('#txtTranscodingTempPath', page).val(path);
+                    }
+                    picker.close();
+                },
+
+                header: "Select Transcoding Temporary Path",
+
+                instruction: "Browse or enter the path to use for transcoding temporary files. The folder must be writeable."
+            });
+        });
+
+        $('#chkEnableCustomTranscodingTempPath', page).on("change.showTranscodingTempPathText", function () {
+
+            if (this.checked) {
+                $('#fldEnterTranscodingTempPath', page).show();
+                $('#txtTranscodingTempPath', page).attr("required", "required");
+            } else {
+                $('#fldEnterTranscodingTempPath', page).hide();
+                $('#txtTranscodingTempPath', page).removeAttr("required");
+            }
+
+        });
+    }).on('pageshow', "#encodingSettingsPage", function () {
 
         Dashboard.showLoadingMsg();
 
@@ -36,6 +84,12 @@
 
             ApiClient.getServerConfiguration().done(function (config) {
 
+                if ($('#chkEnableCustomTranscodingTempPath', form).checked()) {
+                    config.TranscodingTempPath = $('#txtTranscodingTempPath', form).val();
+                } else {
+                    config.TranscodingTempPath = '';
+                }
+
                 config.EnableDebugEncodingLogging = $('#chkEnableDebugEncodingLogging', form).checked();
                 config.MediaEncodingQuality = $('.radioEncodingQuality:checked', form).val();