2.0. - device_buffer: Removed unnecessary glFlush.

[casparcg] / core / producer / frame_producer.h

diff --git a/core/producer/frame_producer.h b/core/producer/frame_producer.h
index dbdd824d78b990e171dc62065c43a9c565adf0a0..70da5f2f89c886737f597ce81befadd987150e3e 100644 (file)
--- a/core/producer/frame_producer.h
+++ b/core/producer/frame_producer.h
@@ -36,6 +36,12 @@ class basic_frame;
 class frame_producer : boost::noncopyable\r
 {\r
 public:\r
+       enum hints\r
+       {\r
+               NO_HINT = 0,\r
+               ALPHA_HINT = 1\r
+       };\r
+\r
        virtual ~frame_producer(){}     \r
 \r
        virtual std::wstring print() const = 0; // nothrow\r
@@ -47,13 +53,13 @@ public:
                \r
        virtual int64_t nb_frames() const {return 0;}\r
        \r
-       virtual safe_ptr<basic_frame> receive() = 0;\r
+       virtual safe_ptr<basic_frame> receive(int hints) = 0;\r
        virtual safe_ptr<core::basic_frame> last_frame() const = 0;\r
 \r
        static const safe_ptr<frame_producer>& empty(); // nothrow\r
 };\r
 \r
-safe_ptr<basic_frame> receive_and_follow(safe_ptr<frame_producer>& producer);\r
+safe_ptr<basic_frame> receive_and_follow(safe_ptr<frame_producer>& producer, int hints);\r
 \r
 typedef std::function<safe_ptr<core::frame_producer>(const safe_ptr<frame_factory>&, const std::vector<std::wstring>&)> producer_factory_t;\r
 void register_producer_factory(const producer_factory_t& factory); // Not thread-safe.\r