[longomatch] Emit a par changed event for each one of the visible streams

[Andoni Morales Alastruey <amorales src gnome org>]

commit 36e425a9d0433b5549df57bc91b7864e05b25360
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Tue Mar 24 11:57:18 2015 +0100

    Emit a par changed event for each one of the visible streams

 LongoMatch.Core/Interfaces/IPlayerController.cs  |    9 ++++++
 LongoMatch.Core/Interfaces/Multimedia/IPlayer.cs |    2 -
 LongoMatch.Services/Services/PlayerController.cs |   30 ++++++++++++---------
 3 files changed, 26 insertions(+), 15 deletions(-)
---
diff --git a/LongoMatch.Core/Interfaces/IPlayerController.cs b/LongoMatch.Core/Interfaces/IPlayerController.cs
index 2e43171..8ddfb66 100644
--- a/LongoMatch.Core/Interfaces/IPlayerController.cs
+++ b/LongoMatch.Core/Interfaces/IPlayerController.cs
@@ -81,6 +81,11 @@ namespace LongoMatch.Core.Interfaces
                List<int> CamerasVisible { get; set; }
 
                /// <summary>
+               /// List of window handles set by the view as view ports.
+               /// </summary>
+               List<IntPtr> WindowHandles { set; }
+
+               /// <summary>
                /// Open the specified fileSet.
                /// </summary>
                void Open (MediaFileSet fileSet);
@@ -159,6 +164,10 @@ namespace LongoMatch.Core.Interfaces
                /// </summary>
                void Previous ();
 
+               /// <summary>
+               /// The view should call it when it's ready to start playback,
+               /// once it has set a valid window handle to start rendering.
+               /// </summary>
                void Ready ();
        }
 }
\ No newline at end of file
diff --git a/LongoMatch.Core/Interfaces/Multimedia/IPlayer.cs 
b/LongoMatch.Core/Interfaces/Multimedia/IPlayer.cs
index 45abab1..6d83102 100644
--- a/LongoMatch.Core/Interfaces/Multimedia/IPlayer.cs
+++ b/LongoMatch.Core/Interfaces/Multimedia/IPlayer.cs
@@ -50,8 +50,6 @@ namespace LongoMatch.Core.Interfaces.Multimedia
 
                double Rate { set; }
 
-               List<IntPtr> WindowHandles { set; }
-
                IntPtr WindowHandle { set; }
 
                void Play ();
diff --git a/LongoMatch.Services/Services/PlayerController.cs 
b/LongoMatch.Services/Services/PlayerController.cs
index 300a60a..a204e1f 100644
--- a/LongoMatch.Services/Services/PlayerController.cs
+++ b/LongoMatch.Services/Services/PlayerController.cs
@@ -51,12 +51,10 @@ namespace LongoMatch.Services
                Time streamLenght, videoTS, imageLoadedTS;
                bool readyToSeek, stillimageLoaded, ready, delayedOpen;
                double rate;
-               MediaFile activeFile;
                Seeker seeker;
                Segment loadedSegment;
                object[] pendingSeek;
                Timer timer;
-               IntPtr windowHandle;
 
                struct Segment
                {
@@ -101,18 +99,17 @@ namespace LongoMatch.Services
                }
 
                public List<IntPtr> WindowHandles {
-                       set {
-                               throw new NotImplementedException ();
-                       }
+                       set;
+                       protected get;
                }
 
                public IntPtr WindowHandle {
                        set {
-                               windowHandle = value;
+                               WindowHandles = new List<IntPtr> { value };
                                player.WindowHandle = value;
                        }
                        get {
-                               return windowHandle;
+                               return WindowHandles [0];
                        }
                }
 
@@ -607,14 +604,21 @@ namespace LongoMatch.Services
                        if (fileSet != this.FileSet || force) {
                                readyToSeek = false;
                                FileSet = fileSet;
-                               activeFile = fileSet.First ();
-                               if (activeFile.VideoHeight != 0) {
-                                       EmitPARChanged (WindowHandle, (float)(activeFile.VideoWidth * 
activeFile.Par / activeFile.VideoHeight));
-                               } else {
-                                       EmitPARChanged (WindowHandle, 1);
+                               foreach (int index in CamerasVisible) {
+                                       try {
+                                               MediaFile file = fileSet [index];
+                                               IntPtr windowHandle = WindowHandles [index];
+                                               if (file.VideoHeight != 0) {
+                                                       EmitPARChanged (windowHandle, (float)(file.VideoWidth 
* file.Par / file.VideoHeight));
+                                               } else {
+                                                       EmitPARChanged (windowHandle, 1);
+                                               }
+                                       } catch (Exception ex) {
+                                               Log.Exception (ex);
+                                       }
                                }
                                try {
-                                       Log.Debug ("Opening new file " + activeFile.FilePath);
+                                       Log.Debug ("Opening new file set " + fileSet);
                                        player.Open (fileSet);
                                } catch (Exception ex) {
                                        Log.Exception (ex);