[longomatch] Turn a compile-time check for OSTYPE_WINDOWS into a runtime check, so the capture device selection w

[Andoni Morales Alastruey <amorales src gnome org>]

commit c5ef7004b272078d3210be4b4fc657e06728e2d1
Author: Xavi Artigas <xartigas fluendo com>
Date:   Thu Mar 19 17:25:47 2015 +0100

    Turn a compile-time check for OSTYPE_WINDOWS into a runtime check, so the capture device selection works 
from Xamarin.

 LongoMatch.Multimedia/Utils/Devices.cs |   19 ++++++++++++-------
 1 files changed, 12 insertions(+), 7 deletions(-)
---
diff --git a/LongoMatch.Multimedia/Utils/Devices.cs b/LongoMatch.Multimedia/Utils/Devices.cs
index 0eb0547..348c8c5 100644
--- a/LongoMatch.Multimedia/Utils/Devices.cs
+++ b/LongoMatch.Multimedia/Utils/Devices.cs
@@ -37,16 +37,21 @@ namespace LongoMatch.Multimedia.Utils
                [DllImport("libcesarplayer.dll")]
                static extern IntPtr lgm_device_video_format_get_info (IntPtr raw, out int width, out int 
height,
                                                                       out int fps_n, out int fps_d);
-               #if OSTYPE_OS_X
-               static string[] devices = new string[1] {"avfvideosrc"};
-               #elif OSTYPE_WINDOWS
-               static string[] devices = new string[2] {"ksvideosrc", "dshowvideosrc"};
-               #else
-               static string[] devices = new string[2] { "v4l2src", "dv1394src" };
-               #endif
+
+               static readonly string[] devices_osx = new string[1] {"avfvideosrc"};
+               static readonly string[] devices_win = new string[2] {"ksvideosrc", "dshowvideosrc"};
+               static readonly string[] devices_lin = new string[2] { "v4l2src", "dv1394src" };
                
                static public List<Device> ListVideoDevices ()
                {
+                       string[] devices;
+                       if (Environment.OSVersion.Platform == PlatformID.MacOSX)
+                               devices = devices_osx;
+                       else if (Environment.OSVersion.Platform == PlatformID.Win32NT)
+                               devices = devices_win;
+                       else
+                               devices = devices_lin;
+
                        List<Device> devicesList = new List<Device> ();
 
                        foreach (string source in devices) {