Add capabilities channel and enum

components/codecs/include/ftl/codecs/channels.hpp

@@ -54,6 +54,7 @@ enum struct Channel : int {
 	Control			= 69,	// For stream and encoder control
 	Settings3		= 70,
 	Name			= 71,
+	Capabilities	= 72,	// Unordered set of int capabilities
 
 	Data			= 2048,	// Custom data, any codec.
 	Faces			= 2049, // Data about detected faces

components/rgbd-sources/include/ftl/rgbd/capabilities.hpp

+#ifndef _FTL_RGBD_CAPABILITIES_HPP_
+#define _FTL_RGBD_CAPABILITIES_HPP_
+
+#include <ftl/utility/msgpack.hpp>
+
+namespace ftl {
+namespace rgbd {
+
+/**
+ * To be added to the capabilities channel to indicate what the source device
+ * is capable of.
+ */
+enum class Capabilities : int {
+	DEPTH = 0,	// Has depth data
+	MOVABLE,	// Is a pose controllable camera
+	STEREO,		// Has right colour
+	ACTIVE,		// An active depth sensor
+	VIDEO,		// Is video and not just static
+	FEEDBACK	// Can respond to feedback data (not just movable)
+};
+
+}
+}
+
+MSGPACK_ADD_ENUM(ftl::rgbd::Capabilities);
+
+#endif
\ No newline at end of file

components/streams/src/feed.cpp

@@ -399,6 +399,9 @@ uint32_t Feed::add(const std::string &path) {
 		lk.unlock();
 
 		if (uri.getBaseURI() == "device:render") {
+			// TODO: Use a ManualSourceBuilder and tick in draw thread. Also
+			// need to keep all such pointers to render sources to gain access
+			// to the texture objects for use by Camera.
 			source = ftl::create<ftl::render::Source>(this, srcname, this);
 		} else {
 			source = ftl::create<ftl::rgbd::Source>(this, srcname, net_);