bass is doing internal interpolation too

Author: peppy

osu.Framework.Tests/Audio/TrackBassWithDecoupledClockTest.cs

@@ -34,11 +34,12 @@ public void TestSomething()
                 }
             });
 
-            const double track_start_time = -20000;
+            const double track_start_time = -1000;
             const double elapsed_per_frame = 1;
             const double sync_lenience = 5;
 
             var decoupling = new DecouplingFramedClock(track);
+            var interpolating = new InterpolatingFramedClock(decoupling);
 
             decoupling.Seek(track_start_time);
             stopwatch.Seek(track_start_time);
@@ -48,19 +49,26 @@ public void TestSomething()
 
             while (decoupling.CurrentTime < 1000)
             {
-                decoupling.ProcessFrame();
+                interpolating.ProcessFrame();
 
-                //if (stopwatch.CurrentTime > -5)
+                if (stopwatch.CurrentTime > -10)
                 {
                     Console.WriteLine($"realtime: {stopwatch.CurrentTime:N2}");
+                    Console.WriteLine($"track   : {track.CurrentTime:N2}");
+                    Console.WriteLine();
                     Console.WriteLine($"decouple: {decoupling.CurrentTime:N2}");
                     Console.WriteLine($"drift   : {Math.Abs(decoupling.CurrentTime - stopwatch.CurrentTime):N2}");
-                    Console.WriteLine($"track   : {track.CurrentTime:N2}");
+                    Console.WriteLine();
+                    Console.WriteLine($"interpol: {interpolating.CurrentTime:N2}");
+                    Console.WriteLine($"realtime drift   : {Math.Abs(interpolating.CurrentTime - stopwatch.CurrentTime):N2}");
+                    Console.WriteLine($"decouple drift      : {Math.Abs(interpolating.CurrentTime - decoupling.CurrentTime):N2}");
+                    Console.WriteLine();
+                    Console.WriteLine("-------------");
                     Console.WriteLine();
                 }
 
-                if (Math.Abs(stopwatch.CurrentTime - decoupling.CurrentTime) >= sync_lenience)
-                    Assert.Fail($"Decoupled clock desynchronised from real time. decoupled:{decoupling.CurrentTime:0.000}, realtime:{stopwatch.CurrentTime:0.000}");
+                // if (Math.Abs(stopwatch.CurrentTime - decoupling.CurrentTime) >= sync_lenience)
+                //     Assert.Fail($"Decoupled clock desynchronised from real time. decoupled:{decoupling.CurrentTime:0.000}, realtime:{stopwatch.CurrentTime:0.000}");
 
                 Thread.Sleep((int)elapsed_per_frame);
             }