Changed XBMC Video checker from emitting all black on a lower channel than the grabber to commanding the grabber

include/dispmanx-grabber/DispmanxWrapper.h

@@ -7,6 +7,7 @@
 // Utils includes
 #include <utils/RgbColor.h>
 #include <utils/RgbImage.h>
+#include <utils/GrabbingMode.h>
 
 // Forward class declaration
 class DispmanxFrameGrabber;
@@ -53,6 +54,12 @@ public slots:
 	///
 	void stop();
 
+	///
+	/// \brief Set the grabbing mode
+	/// \param mode The new grabbing mode
+	///
+	void setGrabbingMode(GrabbingMode mode);
+
 private:
 	/// The update rate [Hz]
 	const int _updateInterval_ms;

include/utils/GrabbingMode.h

@@ -0,0 +1,11 @@
+#pragma once
+
+enum GrabbingMode
+{
+	GRABBINGMODE_OFF,
+	GRABBINGMODE_VIDEO,
+	GRABBINGMODE_PHOTO,
+	GRABBINGMODE_AUDIO,
+	GRABBINGMODE_MENU,
+	GRABBINGMODE_INVALID
+};

include/xbmcvideochecker/XBMCVideoChecker.h

@@ -14,6 +14,9 @@
 // Hyperion includes
 #include <hyperion/Hyperion.h>
 
+// Utils includes
+#include <utils/GrabbingMode.h>
+
 ///
 /// This class will check if XBMC is playing something. When it does not, this class will send all black data to Hyperion.
 /// This allows grabbed screen data to be overriden while in the XBMC menus.
@@ -31,16 +34,21 @@ public:
 	/// @param address Network address of the XBMC instance
 	/// @param port Port number to use (XBMC default = 9090)
 	/// @param interval The interval at which XBMC is polled
-	/// @param hyperion The Hyperion instance
-	/// @param priority The priority at which to send the all black data
+	/// @param grabVideo Whether or not to grab when the XBMC video player is playing
+	/// @param grabPhoto Whether or not to grab when the XBMC photo player is playing
+	/// @param grabAudio Whether or not to grab when the XBMC audio player is playing
+	/// @param grabMenu Whether or not to grab when nothing is playing (in XBMC menu)
 	///
-	XBMCVideoChecker(const std::string & address, uint16_t port, uint64_t interval, Hyperion * hyperion, int priority);
+	XBMCVideoChecker(const std::string & address, uint16_t port, uint64_t interval, bool grabVideo, bool grabPhoto, bool grabAudio, bool grabMenu);
 
 	///
 	/// Start polling XBMC
 	///
 	void start();
 
+signals:
+	void grabbingMode(GrabbingMode grabbingMode);
+
 private slots:
 	///
 	/// Send a request to XBMC
@@ -68,9 +76,18 @@ private:
 	/// The QT TCP Socket with connection to XBMC
 	QTcpSocket _socket;
 
-	/// The Hyperion instance to switch leds to black if in XBMC menu
-	Hyperion * _hyperion;
+	/// Flag indicating whether or not to grab when the XBMC video player is playing
+	bool _grabVideo;
 
-	/// The priority of the BLACK led value when in XBMC menu
-	const int _priority;
+	/// Flag indicating whether or not to grab when the XBMC photo player is playing
+	bool _grabPhoto;
+
+	/// Flag indicating whether or not to grab when the XBMC audio player is playing
+	bool _grabAudio;
+
+	/// Flag indicating whether or not to grab when XBMC is playing nothing (in menu)
+	bool _grabMenu;
+
+	/// Previous emitted grab state
+	GrabbingMode _previousMode;
 };

libsrc/dispmanx-grabber/DispmanxWrapper.cpp

@@ -60,3 +60,11 @@ void DispmanxWrapper::stop()
 	// Stop the timer, effectivly stopping the process
 	_timer.stop();
 }
+
+void DispmanxWrapper::setGrabbingMode(GrabbingMode mode)
+{
+	if (mode == GRABBINGMODE_VIDEO)
+		start();
+	else
+		stop();
+}

libsrc/xbmcvideochecker/XBMCVideoChecker.cpp

@@ -3,15 +3,18 @@
 
 #include <xbmcvideochecker/XBMCVideoChecker.h>
 
-XBMCVideoChecker::XBMCVideoChecker(const std::string & address, uint16_t port, uint64_t interval_ms, Hyperion * hyperion, int priority) :
+XBMCVideoChecker::XBMCVideoChecker(const std::string & address, uint16_t port, uint64_t interval_ms, bool grabVideo, bool grabPhoto, bool grabAudio, bool grabMenu) :
 	QObject(),
 	_address(QString::fromStdString(address)),
 	_port(port),
 	_request("{\"jsonrpc\":\"2.0\",\"method\":\"Player.GetActivePlayers\",\"id\":1}"),
 	_timer(),
 	_socket(),
-	_hyperion(hyperion),
-	_priority(priority)
+	_grabVideo(grabVideo),
+	_grabPhoto(grabPhoto),
+	_grabAudio(grabAudio),
+	_grabMenu(grabMenu),
+	_previousMode(GRABBINGMODE_INVALID)
 {
 	// setup timer
 	_timer.setSingleShot(false);
@@ -51,17 +54,33 @@ void XBMCVideoChecker::receiveReply()
 	// expect that the reply is received as a single message. Probably oke considering the size of the expected reply
 	QString reply(_socket.readAll());
 
-	if (reply.contains("playerid"))
+	GrabbingMode newMode = GRABBINGMODE_INVALID;
+	if (reply.contains("video"))
 	{
-		// something is playing. check for "video" to check if a video is playing
-		// clear our priority channel to allow the grabbed vido colors to be shown
-		_hyperion->clear(_priority);
+		// video is playing
+		newMode = _grabVideo ? GRABBINGMODE_VIDEO : GRABBINGMODE_OFF;
+	}
+	else if (reply.contains("picture"))
+	{
+		// photo viewer is playing
+		newMode = _grabVideo ? GRABBINGMODE_PHOTO : GRABBINGMODE_OFF;
+	}
+	else if (reply.contains("audio"))
+	{
+		// photo viewer is playing
+		newMode = _grabVideo ? GRABBINGMODE_AUDIO : GRABBINGMODE_OFF;
 	}
 	else
 	{
-		// Nothing is playing. set our priority channel completely to black
-		// The timeout is used to have the channel cleared after 30 seconds of connection problems...
-		_hyperion->setColor(_priority, RgbColor::BLACK, 30000);
+		// Nothing is playing.
+		newMode = _grabMenu ? GRABBINGMODE_MENU : GRABBINGMODE_OFF;
+	}
+
+	// emit new state if applicable
+	if (newMode != _previousMode)
+	{
+		emit grabbingMode(newMode);
+		_previousMode = newMode;
 	}
 }
 

src/hyperiond/hyperiond.cpp

@@ -83,7 +83,7 @@ int main(int argc, char** argv)
 	}
 
 	const Json::Value & videoCheckerConfig = config["xbmcVideoChecker"];
-	XBMCVideoChecker xbmcVideoChecker(videoCheckerConfig["xbmcAddress"].asString(), videoCheckerConfig["xbmcTcpPort"].asUInt(), 1000, &hyperion, 999);
+	XBMCVideoChecker xbmcVideoChecker(videoCheckerConfig["xbmcAddress"].asString(), videoCheckerConfig["xbmcTcpPort"].asUInt(), 1000, true, true, true, true);
 	if (videoCheckerConfig["enable"].asBool())
 	{
 		xbmcVideoChecker.start();
@@ -97,6 +97,7 @@ int main(int argc, char** argv)
 			frameGrabberConfig["height"].asUInt(),
 			frameGrabberConfig["frequency_Hz"].asUInt(),
 			&hyperion);
+	QObject::connect(&xbmcVideoChecker, SIGNAL(grabbingMode(GrabbingMode)), &dispmanx, SLOT(setGrabbingMode(GrabbingMode)));
 	dispmanx.start();
 	std::cout << "Frame grabber created and started" << std::endl;