2.0. Optimized key-only.

[casparcg] / core / consumer / frame_consumer.h

diff --git a/core/consumer/frame_consumer.h b/core/consumer/frame_consumer.h
index 6b4b4859fb97f985f8452d9e092ee02037c843d1..4e6fef7323ae9a5c4de4c62d3609952eba78ac1c 100644 (file)
--- a/core/consumer/frame_consumer.h
+++ b/core/consumer/frame_consumer.h
@@ -19,33 +19,52 @@
 */\r
 #pragma once\r
 \r
-#include "../format/video_format.h"\r
-#include "../processor/read_frame.h"\r
+#include "../video_format.h"\r
+\r
+#include <common/memory/safe_ptr.h>\r
 \r
 #include <boost/noncopyable.hpp>\r
 \r
-#include <memory>\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
+size_t consumer_buffer_depth();\r
+\r
 struct frame_consumer : boost::noncopyable\r
 {\r
-       enum sync_mode\r
-       {\r
-               ready = 0,\r
-               clock           \r
-       };\r
-\r
        virtual ~frame_consumer() {}\r
+       \r
+       virtual bool send(const safe_ptr<read_frame>& frame) = 0;\r
+       virtual void initialize(const video_format_desc& format_desc) = 0;\r
+       virtual std::wstring print() const = 0;\r
+       virtual bool has_synchronization_clock() const {return true;}\r
+       virtual const core::video_format_desc& get_video_format_desc() const = 0; // nothrow\r
 \r
-       virtual void send(const read_frame& frame) = 0;\r
-       virtual sync_mode synchronize() = 0;\r
-       virtual size_t buffer_depth() const = 0;\r
+       static const safe_ptr<frame_consumer>& empty()\r
+       {\r
+               struct empty_frame_consumer : public frame_consumer\r
+               {\r
+                       core::video_format_desc format_desc;\r
+                       virtual bool send(const safe_ptr<read_frame>&){return false;}\r
+                       virtual void initialize(const video_format_desc&){}\r
+                       virtual std::wstring print() const {return L"empty";}\r
+                       virtual bool has_synchronization_clock() const {return false;}\r
+                       virtual const core::video_format_desc& get_video_format_desc() const{return format_desc;}; // nothrow\r
+               };\r
+               static safe_ptr<frame_consumer> consumer = make_safe<empty_frame_consumer>();\r
+               return consumer;\r
+       }\r
 };\r
-typedef std::shared_ptr<frame_consumer> frame_consumer_ptr;\r
-typedef std::shared_ptr<const frame_consumer> frame_consumer_const_ptr;\r
 \r
-typedef std::unique_ptr<frame_consumer> frame_consumer_uptr;\r
-typedef std::unique_ptr<const frame_consumer> frame_consumer_const_uptr;\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