flash_producer: Workaround for flickering with high cpu and cpu-accelerator. The...

git-svn-id: https://casparcg.svn.sourceforge.net/svnroot/casparcg/server/branches/2.1.0@3756 362d55ac-95cf-4e76-9f9a-cbaa9c17b72d

diff --git a/modules/flash/producer/flash_producer.cpp b/modules/flash/producer/flash_producer.cpp
index 1af0ff3c5a97d6da8af8876b74707dbe84ff8c93..975d7006401ecfa77db43a542457a4649a66663d 100644 (file)
--- a/modules/flash/producer/flash_producer.cpp
+++ b/modules/flash/producer/flash_producer.cpp
@@ -336,6 +336,8 @@ struct flash_producer : public core::frame_producer_base
 
        std::queue<core::draw_frame>                                    frame_buffer_;
        tbb::concurrent_bounded_queue<core::draw_frame> output_buffer_;
+
+       core::draw_frame                                                                last_frame_;
                                
        boost::timer                                                                    tick_timer_;
        std::unique_ptr<flash_renderer>                                 renderer_;
@@ -374,7 +376,7 @@ public:
                
        core::draw_frame receive_impl() override
        {                                       
-               auto frame = core::draw_frame::late();
+               auto frame = last_frame_;
                
                if(output_buffer_.try_pop(frame))                       
                        executor_.begin_invoke(std::bind(&flash_producer::next, this));         
@@ -387,7 +389,7 @@ public:
                                           << monitor::event("host/fps")        % fps_
                                           << monitor::event("buffer")          % output_buffer_.size() % buffer_size_;
 
-               return frame;
+               return last_frame_ = frame;
        }
                
        boost::unique_future<std::wstring> call(const std::wstring& param) override