X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fconsumer%2Fframe_consumer.h;h=58ffeb61b62168581d4f2d91c4f2ea5d068c9897;hb=9e4b08cde6c6de9e83a3fff42d90affc3cd8e5bc;hp=a027e6a6d7395d4d36bee740674b351045f1720b;hpb=9eab3f3babf20837a645e745be2ca240a68554af;p=casparcg

diff --git a/core/consumer/frame_consumer.h b/core/consumer/frame_consumer.h
index a027e6a6d..58ffeb61b 100644
--- a/core/consumer/frame_consumer.h
+++ b/core/consumer/frame_consumer.h
@@ -1,59 +1,109 @@
-/*
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
-*
-*  This file is part of CasparCG.
-*
-*    CasparCG is free software: you can redistribute it and/or modify
-*    it under the terms of the GNU General Public License as published by
-*    the Free Software Foundation, either version 3 of the License, or
-*    (at your option) any later version.
-*
-*    CasparCG is distributed in the hope that it will be useful,
-*    but WITHOUT ANY WARRANTY; without even the implied warranty of
-*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-*    GNU General Public License for more details.
-
-*    You should have received a copy of the GNU General Public License
-*    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.
-*
-*/
-#pragma once
-
-#include <common/memory/safe_ptr.h>
-#include <common/utility/printer.h>
-
-#include <boost/noncopyable.hpp>
-
-#include <string>
-
-namespace caspar { namespace core {
-	
-class read_frame;
-struct video_format_desc;
-
-struct frame_consumer : boost::noncopyable
-{
-	virtual ~frame_consumer() {}
-	
-	virtual void send(const safe_ptr<const read_frame>& frame) = 0;
-	virtual size_t buffer_depth() const = 0;
-	virtual void initialize(const video_format_desc& format_desc) = 0;
-	virtual void set_parent_printer(const printer& parent_printer) = 0;
-	virtual std::wstring print() const = 0;
-
-	static const safe_ptr<frame_consumer>& empty()
-	{
-		struct empty_frame_consumer : public frame_consumer
-		{
-			virtual void send(const safe_ptr<const read_frame>&){}
-			virtual size_t buffer_depth() const{return 0;}
-			virtual void initialize(const video_format_desc&){}
-			virtual void set_parent_printer(const printer&){}
-			virtual std::wstring print() const {return L"empty";}
-		};
-		static safe_ptr<frame_consumer> consumer = make_safe<empty_frame_consumer>();
-		return consumer;
-	}
-};
-
-}}
\ No newline at end of file
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#pragma once
+
+#include "../monitor/monitor.h"
+#include "../fwd.h"
+#include "../help/help_repository.h"
+
+#include <common/memory.h>
+#include <common/future_fwd.h>
+
+#include <boost/property_tree/ptree_fwd.hpp>
+
+#include <functional>
+#include <string>
+#include <vector>
+
+namespace caspar { namespace core {
+
+// Interface
+class frame_consumer
+{
+	frame_consumer(const frame_consumer&);
+	frame_consumer& operator=(const frame_consumer&);
+public:
+
+	// Static Members
+
+	static const spl::shared_ptr<frame_consumer>& empty();
+
+	// Constructors
+
+	frame_consumer(){}
+	virtual ~frame_consumer() {}
+
+	// Methods
+
+	virtual std::future<bool>				send(const_frame frame) = 0;
+	virtual void							initialize(const video_format_desc& format_desc, const audio_channel_layout& channel_layout, int channel_index) = 0;
+
+	// monitor::observable
+
+	virtual monitor::subject& monitor_output() = 0;
+
+	// Properties
+
+	virtual std::wstring					print() const = 0;
+	virtual std::wstring					name() const = 0;
+	virtual boost::property_tree::wptree	info() const = 0;
+	virtual bool							has_synchronization_clock() const {return true;}
+	virtual int								buffer_depth() const = 0; // -1 to not participate in frame presentation synchronization
+	virtual int								index() const = 0;
+	virtual int64_t							presentation_frame_age_millis() const = 0;
+	virtual const frame_consumer*			unwrapped() const { return this; }
+};
+
+typedef std::function<spl::shared_ptr<frame_consumer>(
+		const std::vector<std::wstring>&,
+		interaction_sink* sink,
+		std::vector<spl::shared_ptr<video_channel>> channels)> consumer_factory_t;
+typedef std::function<spl::shared_ptr<frame_consumer>(
+		const boost::property_tree::wptree& element,
+		interaction_sink* sink,
+		std::vector<spl::shared_ptr<video_channel>> channels)> preconfigured_consumer_factory_t;
+
+class frame_consumer_registry : boost::noncopyable
+{
+public:
+	frame_consumer_registry(spl::shared_ptr<help_repository> help_repo);
+	void register_consumer_factory(const std::wstring& name, const consumer_factory_t& factory, const help_item_describer& describer);
+	void register_preconfigured_consumer_factory(
+			const std::wstring& element_name,
+			const preconfigured_consumer_factory_t& factory);
+	spl::shared_ptr<frame_consumer> create_consumer(
+			const std::vector<std::wstring>& params,
+			interaction_sink* sink,
+			std::vector<spl::shared_ptr<video_channel>> channels) const;
+	spl::shared_ptr<frame_consumer> create_consumer(
+			const std::wstring& element_name,
+			const boost::property_tree::wptree& element,
+			interaction_sink* sink,
+			std::vector<spl::shared_ptr<video_channel>> channels) const;
+private:
+	struct impl;
+	spl::shared_ptr<impl> impl_;
+};
+
+void destroy_consumers_synchronously();
+
+}}