X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=core%2Fconsumer%2Fframe_consumer.h;h=4e6fef7323ae9a5c4de4c62d3609952eba78ac1c;hb=ef45ae47b4f50ef057041b5122d0f34c1659cc11;hp=a5fe5d4e4a4e03141a340c823e1d4a7202969d65;hpb=ff6d30a547b05bcc55d2c8201e70bb016c7c8afd;p=casparcg

diff --git a/core/consumer/frame_consumer.h b/core/consumer/frame_consumer.h
index a5fe5d4e4..4e6fef732 100644
--- a/core/consumer/frame_consumer.h
+++ b/core/consumer/frame_consumer.h
@@ -19,6 +19,8 @@
 */
 #pragma once
 
+#include "../video_format.h"
+
 #include <common/memory/safe_ptr.h>
 
 #include <boost/noncopyable.hpp>
@@ -32,23 +34,28 @@ namespace caspar { namespace core {
 class read_frame;
 struct video_format_desc;
 
+size_t consumer_buffer_depth();
+
 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 bool send(const safe_ptr<read_frame>& frame) = 0;
 	virtual void initialize(const video_format_desc& format_desc) = 0;
 	virtual std::wstring print() const = 0;
+	virtual bool has_synchronization_clock() const {return true;}
+	virtual const core::video_format_desc& get_video_format_desc() const = 0; // nothrow
 
 	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;}
+			core::video_format_desc format_desc;
+			virtual bool send(const safe_ptr<read_frame>&){return false;}
 			virtual void initialize(const video_format_desc&){}
 			virtual std::wstring print() const {return L"empty";}
+			virtual bool has_synchronization_clock() const {return false;}
+			virtual const core::video_format_desc& get_video_format_desc() const{return format_desc;}; // nothrow
 		};
 		static safe_ptr<frame_consumer> consumer = make_safe<empty_frame_consumer>();
 		return consumer;