-/*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
-*\r
-* This file is part of CasparCG.\r
-*\r
-* CasparCG is free software: you can redistribute it and/or modify\r
-* it under the terms of the GNU General Public License as published by\r
-* the Free Software Foundation, either version 3 of the License, or\r
-* (at your option) any later version.\r
-*\r
-* CasparCG is distributed in the hope that it will be useful,\r
-* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-* GNU General Public License for more details.\r
-\r
-* You should have received a copy of the GNU General Public License\r
-* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
-*\r
-*/\r
-#pragma once\r
-\r
-#include <common/memory/safe_ptr.h>\r
-\r
-#include <boost/noncopyable.hpp>\r
-\r
-#include <functional>\r
-#include <string>\r
-#include <vector>\r
-\r
-namespace caspar { namespace core {\r
- \r
-class read_frame;\r
-struct video_format_desc;\r
-\r
-struct frame_consumer : boost::noncopyable\r
-{\r
- virtual ~frame_consumer() {}\r
- \r
- virtual void send(const safe_ptr<const read_frame>& frame) = 0;\r
- virtual size_t buffer_depth() const = 0;\r
- virtual void initialize(const video_format_desc& format_desc) = 0;\r
- virtual std::wstring print() const = 0;\r
-\r
- static const safe_ptr<frame_consumer>& empty()\r
- {\r
- struct empty_frame_consumer : public frame_consumer\r
- {\r
- virtual void send(const safe_ptr<const read_frame>&){}\r
- virtual size_t buffer_depth() const{return 0;}\r
- virtual void initialize(const video_format_desc&){}\r
- virtual std::wstring print() const {return L"empty";}\r
- };\r
- static safe_ptr<frame_consumer> consumer = make_safe<empty_frame_consumer>();\r
- return consumer;\r
- }\r
-};\r
-\r
-typedef std::function<safe_ptr<core::frame_consumer>(const std::vector<std::wstring>&)> consumer_factory_t;\r
-\r
-void register_consumer_factory(const consumer_factory_t& factory);\r
-safe_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params);\r
-\r
-}}
\ 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();
+
+}}
projects / casparcg / blobdiff