Resolves #343 GUI and Frame Refactor

Major rewrite of the GUI into a module and view form, also using a new Feed class. The frame and frameset data structures have also been rewritten to support memory pooling and response frames.

components/streams/include/ftl/streams/builder.hpp

@@ -32,6 +32,7 @@ class BaseBuilder : public ftl::data::Generator {
 
 	void setID(uint32_t id) { id_ = id; }
 	void setPool(ftl::data::Pool *p) { pool_ = p; }
+	void setBufferSize(size_t s) { bufferSize_ = s; }
 
 	inline ftl::Handle onFrameSet(const ftl::data::FrameSetCallback &cb) override { return cb_.on(cb); }
 
@@ -51,6 +52,7 @@ class BaseBuilder : public ftl::data::Generator {
 	ftl::data::Pool *pool_;
 	int id_;
 	size_t size_;
+	size_t bufferSize_ = 1;
 	ftl::Handler<const ftl::data::FrameSetPtr&> cb_;
 	ftl::data::ChangeType ctype_ = ftl::data::ChangeType::COMPLETED;
 };
@@ -139,8 +141,6 @@ class ForeignBuilder : public BaseBuilder {
 
 	LockedFrameSet get(int64_t timestamp) override;
 
-	void setBufferSize(size_t n) { bufferSize_ = n; }
-
 	private:
 	std::list<std::shared_ptr<ftl::data::FrameSet>> framesets_;  // Active framesets
 	//std::list<ftl::data::FrameSet*> allocated_;  // Keep memory allocations
@@ -153,7 +153,6 @@ class ForeignBuilder : public BaseBuilder {
 	std::atomic<int> jobs_;
 	volatile bool skip_;
 	ftl::Handle main_id_;
-	size_t bufferSize_;
 
 	std::string name_;