Flatbuffers: custom LUT files

Author: awawa-dev

Diff for: assets/webconfig/content/json_api.html

@@ -369,10 +369,14 @@ <h4 class="bs-main-text" data-i18n="conf_helptable_expl">Explanation</h4>
 									<input class="form-check-input" type="radio" name="hdrModeState" id="hdr_on_mode" value="1">
 									<label class="form-check-label" for="hdr_on_mode" data-i18n="general_btn_on"></label>
 								</div>
-								<div class="form-check">
-									<input class="form-check-input" type="radio" name="hdrModeState" id="hdr_border_mode" value="2">
-									<label class="form-check-label" for="hdr_border_mode" data-i18n="general_mode_border"></label>
-								</div>
+							</div>
+						</div>
+						<div class="row mt-1">
+							<div class="col-8 text-start">
+								<div class="input-group">
+									<span class="input-group-text mb-1" data-i18n="json_api_flatbuffers_user_lut"></span>									
+									<input class="form-control mb-1" type="text" id="flatbuffersUserLut">									
+								</div>				
 							</div>
 						</div>
 					</div>

Diff for: assets/webconfig/i18n/en.json

@@ -1120,8 +1120,7 @@
   "json_api_effect_color_expl" : "Set desired color or effect for the active instance.",
   "json_api_clear" : "Clear a priority",
   "json_api_clear_expl" : "Clear priority from effects and preset colors.",
-  "json_api_hdr" : "HDR mode",
-  "json_api_hdr_expl" : "Turn on/off HDR tone mapping for USB grabber. 'Border mode' works only for MJPEG stream.",
+  "json_api_hdr" : "HDR mode",  
   "json_api_components_expl_multi":"You can run multiple commands with just one link. Maximum lenght is 2048 chars. They all will be executed but you will receive only one response (check out logs for all the output). Just put your links' <code>request</code> content into the format (note first '?' char and next '&' chars):<br><code>http://IP:PORT/json-rpc?request=request1&request=request2&request=request3...</code>",
   "edt_conf_stream_autoResume_title" : "Auto resume",
   "edt_conf_stream_autoResume_expl" : "Try restarting video capture if the video stream stops. Use with caution as it is not a cure for hardware problems of the grabber.",
@@ -1176,5 +1175,7 @@
   "edt_conf_mqtt_is_ssl_title" : "SSL",
   "edt_conf_mqtt_is_ssl_expl" : "Use SSL protocol",
   "edt_conf_mqtt_ssl_ignore_errors_title" : "Ignore SSL errors",
-  "edt_conf_mqtt_ssl_ignore_errors_expl" : "Ignore all SSL errors such as self-signed certificates etc. Use with caution."
+  "edt_conf_mqtt_ssl_ignore_errors_expl" : "Ignore all SSL errors such as self-signed certificates etc. Use with caution.",
+  "json_api_flatbuffers_user_lut" : "Flatbuffers LUT filename",
+  "json_api_hdr_expl" : "Turn on/off HDR tone mapping. You can also pass the name of the user LUT file in the user HyperHDR home folder to be used for Flatbuffers tone mapping."
 } 

Diff for: assets/webconfig/js/json_api.js

@@ -515,26 +515,28 @@ function BuildClearJson()
 var componentHdr = 
 `{
 	"command":"videomodehdr",
-	"HDR":{0}
+	"HDR":{0},
+	"flatbuffers_user_lut_filename":"{1}"
 }`;
 
-$('input[name="hdrModeState"]').change(
+$('input[name="hdrModeState"], #flatbuffersUserLut').change(
 	function(){
 		if ($("input[name='hdrModeState']:checked").val())
 		{
 			BuildHdrJson();
 		}
 	});
-
 
 function BuildHdrJson()
 {
 	$('button[name="hdrModeButtons"]').each(function(i, obj) {
 		$(this).removeClass('disabled');
 	});
 
-	var state = $('input[name="hdrModeState"]:checked').val();
-	var finJson = componentHdr.replace("{0}", state);
+	var state = $('input[name="hdrModeState"]:checked').val();	
+	var flatbufferUserLut = $('#flatbuffersUserLut').val();
+	var finJson = componentHdr.replace("{0}", state).replace("{1}", flatbufferUserLut);
+	
 	$("#hdrMode_json").html(finJson);
 }
 ////////////////////////////////////////////////////////////////////////////////

Diff for: include/api/API.h

@@ -124,6 +124,12 @@ class API : public QObject
 	///
 	void setVideoModeHdr(int hdr, hyperhdr::Components callerComp = hyperhdr::COMP_INVALID);
 
+	///
+	/// @brief Set user LUT filename for flatbuffers tone mapping
+	/// @param userLUTfile	user LUT filename
+	///
+	void setFlatbufferUserLUT(QString userLUTfile);
+
 	///
 	/// @brief Set an effect
 	/// @param dat        The effect data

Diff for: include/flatbufserver/FlatBufferServer.h

@@ -44,6 +44,8 @@ public slots:
 
 	void initServer();
 
+	void setUserLut(QString filename);
+
 	void setHdrToneMappingEnabled(int mode);
 
 	int getHdrToneMappingEnabled();
@@ -105,4 +107,5 @@ private slots:
 	uint8_t*	_lutBuffer;
 	bool		_lutBufferInit;
 	QString		_configurationPath;
+	QString		_userLutFile;
 };

Diff for: sources/api/API.cpp

@@ -245,6 +245,12 @@ void API::setVideoModeHdr(int hdr, hyperhdr::Components callerComp)
 		QMetaObject::invokeMethod(FlatBufferServer::getInstance(), "setHdrToneMappingEnabled", Qt::QueuedConnection, Q_ARG(int, hdr));
 }
 
+void API::setFlatbufferUserLUT(QString userLUTfile)
+{
+	if (FlatBufferServer::getInstance() != nullptr)
+		QMetaObject::invokeMethod(FlatBufferServer::getInstance(), "setUserLut", Qt::QueuedConnection, Q_ARG(QString, userLUTfile));
+}
+
 bool API::setEffect(const EffectCmdData& dat, hyperhdr::Components callerComp)
 {
 	int res;

Diff for: sources/api/JSONRPC_schema/schema-videomodehdr.json

@@ -15,6 +15,10 @@
 			"minimum" : 0,
 			"maximum" : 2,
 			"required": true
+		},
+		"flatbuffers_user_lut_filename": {
+			"type" : "string",			
+			"required": false
 		}
 	},
 	"additionalProperties": false

Diff for: sources/api/JsonAPI.cpp

@@ -1288,6 +1288,11 @@ void JsonAPI::handleProcessingCommand(const QJsonObject& message, const QString&
 
 void JsonAPI::handleVideoModeHdrCommand(const QJsonObject& message, const QString& command, int tan)
 {
+	if (message.contains("flatbuffers_user_lut_filename"))
+	{
+		API::setFlatbufferUserLUT(message["flatbuffers_user_lut_filename"].toString(""));
+	}
+
 	API::setVideoModeHdr(message["HDR"].toInt());
 	sendSuccessReply(command, tan);
 }

Diff for: sources/flatbufserver/FlatBufferServer.cpp

@@ -35,6 +35,7 @@ FlatBufferServer::FlatBufferServer(const QJsonDocument& config, const QString& c
 	, _lutBuffer(nullptr)
 	, _lutBufferInit(false)
 	, _configurationPath(configurationPath)
+	, _userLutFile("")
 {
 	FlatBufferServer::instance = this;
 }
@@ -240,6 +241,13 @@ void FlatBufferServer::loadLutFile()
 	files.append(fileName3);
 #endif
 
+	if (!_userLutFile.isEmpty())
+	{
+		QString userFile = QString("%1/%2").arg(_configurationPath).arg(_userLutFile);
+		files.prepend(userFile);
+		Debug(_log, "Adding user LUT file for searching: %s", QSTRING_CSTR(userFile));
+	}
+
 	_lutBufferInit = false;
 
 	if (_hdrToneMappingMode)
@@ -295,3 +303,10 @@ void FlatBufferServer::importFromProtoHandler(int priority, int duration, const
 
 	emit GlobalSignals::getInstance()->setGlobalImage(priority, image, duration);
 }
+
+void FlatBufferServer::setUserLut(QString filename)
+{
+	_userLutFile = filename.replace("~", "").replace("/","").replace("..", "");
+
+	Info(_log, "Setting user LUT filename to: '%s'", QSTRING_CSTR(_userLutFile));
+}