Add HandleStreamStopInfo helper

Source/OBS.h

@@ -637,6 +637,16 @@ class OBS
 
     //---------------------------------------------------
 
+    struct StopInfo
+    {
+        DWORD time = (DWORD)-1;
+        bool timeSeen = false;
+        std::function<void()> func;
+    };
+    bool HandleStreamStopInfo(StopInfo &, PacketType, const VideoSegment&);
+
+    //---------------------------------------------------
+
     std::unique_ptr<NetworkStream> network;
 
     //---------------------------------------------------

Source/OBSVideoCapture.cpp

@@ -222,6 +222,25 @@ void OBS::SendFrame(VideoSegment &curSegment, QWORD firstFrameTime)
     }
 }
 
+bool OBS::HandleStreamStopInfo(OBS::StopInfo &info, PacketType type, const VideoSegment& segment)
+{
+    if (type == PacketType_Audio || !info.func)
+        return false;
+
+    if (segment.pts < info.time)
+        return false;
+
+    if (!info.timeSeen)
+    {
+        info.timeSeen = true;
+        return false;
+    }
+
+    info.func();
+    info = {};
+    return true;
+}
+
 bool OBS::ProcessFrame(FrameProcessInfo &frameInfo)
 {
     List<DataPacket> videoPackets;