[chronojump] Webcam refactorized testParsing for all platforms

[Xavier de Blas <xaviblas src gnome org>]

commit d6a7db221f4c65cee76bc3144d960f224681c1c0
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Jul 11 12:58:05 2019 +0200

    Webcam refactorized testParsing for all platforms

 src/webcam/webcamFfmpegSupportedModes.cs | 38 ++++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 12 deletions(-)
---
diff --git a/src/webcam/webcamFfmpegSupportedModes.cs b/src/webcam/webcamFfmpegSupportedModes.cs
index f15221dd..3eabbc24 100644
--- a/src/webcam/webcamFfmpegSupportedModes.cs
+++ b/src/webcam/webcamFfmpegSupportedModes.cs
@@ -118,6 +118,9 @@ public abstract class WebcamFfmpegSupportedModes
                        return nothingFound;
        }
 
+       protected bool testParsing = true;
+       protected abstract string parseSupportedModesTestString();
+
        public string ErrorStr
        {
                get { return errorStr;  }
@@ -138,6 +141,12 @@ public class WebcamFfmpegSupportedModesLinux : WebcamFfmpegSupportedModes
 
        public override void GetModes()
        {
+               if(testParsing)
+               {
+                       modesStr = parseSupportedModes(parseSupportedModesTestString());
+                       return;
+               }
+
                List<string> parameters = new List<string>();
                parameters.Add("--list-formats-ext");
                ExecuteProcess.Result execute_result = ExecuteProcess.run ("v4l2-ctl", parameters, true, 
true);
@@ -278,8 +287,9 @@ public class WebcamFfmpegSupportedModesLinux : WebcamFfmpegSupportedModes
                        return string.Format("{0}", m);
        }
 
-       // test ParseSupportModes (unsorted to check if sorts well)
-       private string parseSupportedModesTestString = @"
+       protected override string parseSupportedModesTestString()
+       {
+               return(@"
 ioctl: VIDIOC_ENUM_FMT
         Type: Video Capture
 
@@ -306,8 +316,8 @@ ioctl: VIDIOC_ENUM_FMT
                        Interval: Discrete 0.040s (25.000 fps)
                        Interval: Discrete 0.050s (20.000 fps)
                        Interval: Discrete 0.067s (15.000 fps)
-";
-
+");
+       }
 }
 
 public class WebcamFfmpegSupportedModesWindows : WebcamFfmpegSupportedModes
@@ -322,10 +332,9 @@ public class WebcamFfmpegSupportedModesWindows : WebcamFfmpegSupportedModes
 
        public override void GetModes()
        {
-               bool testParsing = false; //change it to true to test the parsing method
                if(testParsing)
                {
-                       modesStr = parseSupportedModes(parseSupportedModesTestString);
+                       modesStr = parseSupportedModes(parseSupportedModesTestString());
                        return;
                }
 
@@ -425,10 +434,13 @@ public class WebcamFfmpegSupportedModesWindows : WebcamFfmpegSupportedModes
        }
 
        // test ParseSupportModes (unsorted to check if sorts well)
-       private string parseSupportedModesTestString = @"
+       protected override string parseSupportedModesTestString()
+       {
+               return(@"
 pixel_format=uyyv422  min s=176x144 fps=5 max s=176x144 fps=30
 pixel_format=uyyv422  min s=160x120 fps=5 max s=160x120 fps=30
-pixel_format=uyyv422  min s=320x240 fps=5 max s=320x240 fps=30";
+pixel_format=uyyv422  min s=320x240 fps=5 max s=320x240 fps=30");
+       }
 }
 
 public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
@@ -443,10 +455,9 @@ public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
 
        public override void GetModes()
        {
-               bool testParsing = false; //change it to true to test the parsing method
                if(testParsing)
                {
-                       modesStr = parseSupportedModes(parseSupportedModesTestString);
+                       modesStr = parseSupportedModes(parseSupportedModesTestString());
                        return;
                }
 
@@ -536,7 +547,9 @@ public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
         * note fps can be separated by , or .
         * but on ffmpeg/ffplay must be .
         */
-       private string parseSupportedModesTestString = @"Supported modes:
+       protected override string parseSupportedModesTestString()
+       {
+               return (@"Supported modes:
 [avfoundation @ 0x7f849a8be800]   16x12@[1.000000 23.999981]fps
 [avfoundation @ 0x7f849a8be800]   16x12@[1,000000 29,970000]fps
 [avfoundation @ 0x7f849a8be800]   160x120@[29.970000 29.970000]fps
@@ -571,7 +584,8 @@ public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
 [avfoundation @ 0x7f849a8be800]   1280x720@[25.000000 25.000000]fps
 [avfoundation @ 0x7f849a8be800]   1280x720@[23.999981 23.999981]fps
 [avfoundation @ 0x7f849a8be800]   1280x720@[14.999993 14.999993]fps
-0: Input/output error";
+0: Input/output error");
+       }
 }
 
 public class WebcamSupportedModesList