[chronojump] Webcam parsing on mac second fps value

[Xavier de Blas <xaviblas src gnome org>]

commit b4b1842fbbe83c4917bba05a7a9c039908b632ac
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Jul 10 13:49:34 2019 +0200

    Webcam parsing on mac second fps value

 src/webcam/webcamFfmpegSupportedModes.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)
---
diff --git a/src/webcam/webcamFfmpegSupportedModes.cs b/src/webcam/webcamFfmpegSupportedModes.cs
index 95d7d888..ccc46ddb 100644
--- a/src/webcam/webcamFfmpegSupportedModes.cs
+++ b/src/webcam/webcamFfmpegSupportedModes.cs
@@ -444,8 +444,11 @@ public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
                //      [avfoundation @ 0x7f849a8be800]   1280x720@[23.999981 23.999981]fps
                //use: https://regex101.com/r/lZ5mN8/50
                //      (\d+)x(\d+)@\[(\d+).(\d+)\s+
+               //      noticed that sometimes 1st fps number is 1.0000 and second is the real fps. so use 
second:
+               //      (\d+)x(\d+)@\[\d+.\d+\s+(\d+).(\d+)\]fps
 
-               Match match = Regex.Match(l, @"(\d+)x(\d+)@\[(\d+).(\d+)\s+");
+               //Match match = Regex.Match(l, @"(\d+)x(\d+)@\[(\d+).(\d+)\s+");
+               Match match = Regex.Match(l, @"(\d+)x(\d+)@\[\d+.\d+\s+(\d+).(\d+)\]fps");
 
                //TODO: use these lines
                //LogB.Information("match group count: ", match.Groups.Count.ToString());
@@ -467,8 +470,14 @@ public class WebcamFfmpegSupportedModesMac : WebcamFfmpegSupportedModes
                currentMode.AddFramerate(framerate);
        }
 
-       // test ParseSupportModes
+       /*
+        * test ParseSupportModes
+        * note fps can be separated by , or .
+        * but on ffmpeg/ffplay must be .
+        */
        private string parseSupportedModesTestString = @"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
 [avfoundation @ 0x7f849a8be800]   160x120@[25.000000 25.000000]fps
 [avfoundation @ 0x7f849a8be800]   160x120@[23.999981 23.999981]fps