[longomatch] Implement Framerate{Up|Down} in the controller

[Andoni Morales Alastruey <amorales src gnome org>]

commit 66d6d6fdeb901b78c7f1cada5fc9545e650d282e
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Mon Mar 23 14:53:57 2015 +0100

    Implement Framerate{Up|Down} in the controller

 LongoMatch.Services/Services/PlayerController.cs |   39 ++++++++++++++++++----
 1 files changed, 32 insertions(+), 7 deletions(-)
---
diff --git a/LongoMatch.Services/Services/PlayerController.cs 
b/LongoMatch.Services/Services/PlayerController.cs
index 84c1694..875545a 100644
--- a/LongoMatch.Services/Services/PlayerController.cs
+++ b/LongoMatch.Services/Services/PlayerController.cs
@@ -40,6 +40,7 @@ namespace LongoMatch.Services
                public event PARChangedHandler PARChangedEvent;
 
                const int TIMEOUT_MS = 20;
+               const int SCALE_FPS = 25;
 
                IPlayer player;
                TimelineEvent loadedEvent;
@@ -48,6 +49,7 @@ namespace LongoMatch.Services
 
                Time streamLenght, videoTS, imageLoadedTS;
                bool readyToSeek, stillimageLoaded, ready, delayedOpen;
+               double rate;
                MediaFile activeFile;
                Seeker seeker;
                Segment loadedSegment;
@@ -124,7 +126,12 @@ namespace LongoMatch.Services
 
                public double Rate {
                        set {
+                               rate = value;
                                player.Rate = value;
+                               Log.Debug ("Rate set to " + value);
+                       }
+                       get {
+                               return rate;
                        }
                }
 
@@ -365,23 +372,41 @@ namespace LongoMatch.Services
 
                public void FramerateUp ()
                {
-                       Log.Debug ("Framerate up");
                        if (!StillImageLoaded) {
+                               float rate;
+
                                EmitLoadDrawings (null);
+                               rate = (float)Rate;
+                               if (rate >= 5) {
+                                       return;
+                               }
+                               Log.Debug ("Framerate up");
+                               if (rate < 1) {
+                                       SetRate (rate + (float)1 / SCALE_FPS);
+                               } else {
+                                       SetRate (rate + 1);
+                               }
                        }
-
-                       /* FIXME */
-                       //vscale1.Adjustment.Value += vscale1.Adjustment.StepIncrement;
                }
 
                public void FramerateDown ()
                {
-                       Log.Debug ("Framerate down");
+
                        if (!StillImageLoaded) {
+                               float rate;
+
                                EmitLoadDrawings (null);
+                               rate = (float)Rate;
+                               if (rate <= (float)1 / SCALE_FPS) {
+                                       return;
+                               }
+                               Log.Debug ("Framerate down");
+                               if (rate > 1) {
+                                       SetRate (rate - 1);
+                               } else {
+                                       SetRate (rate - (float)1 / SCALE_FPS);
+                               }
                        }
-                       /* FIXME */
-                       //vscale1.Adjustment.Value -= vscale1.Adjustment.StepIncrement;
                }
 
                public void Expose ()