[chronojump] webcam better parse of devices on win and mac

[Xavier de Blas <xaviblas src gnome org>]

commit 05dc499b061eaefabeab54865004bc5971cc2d84
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Apr 5 17:39:49 2019 +0200

    webcam better parse of devices on win and mac

 src/webcamFfmpegDevices.cs | 54 +++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 46 insertions(+), 8 deletions(-)
---
diff --git a/src/webcamFfmpegDevices.cs b/src/webcamFfmpegDevices.cs
index c7ab69aa..341c483c 100644
--- a/src/webcamFfmpegDevices.cs
+++ b/src/webcamFfmpegDevices.cs
@@ -225,27 +225,30 @@ public abstract class WebcamFfmpegGetDevicesWinMac : WebcamFfmpegGetDevices
                                StringSplitOptions.None
                                );
 
+               bool started = false;
                foreach(string l in lines)
                {
                        LogB.Information("line: " + l);
-                       foreach(Match match in Regex.Matches(l, "\"([^\"]*)\""))
-                       {
-                               //remove quotes from the match (at beginning and end) to add it in SQL
-                               string s = match.ToString().Substring(1, match.ToString().Length -2);
 
-                               LogB.Information("add match: " + s);
-                               if(s.Length < 3)
-                                       break;
+                       //devices start after the videoDevString line
+                       if(! started)
+                       {
+                               if(l.Contains(videoDevString))
+                                       started = true;
 
-                               wd_list.Add(new WebcamDevice(s[1].ToString(), s)); //code will be char 1: 
"[0] my device"
+                               continue;
                        }
 
+                       parseMatch(l);
+
                        //after the list of video devices comes the list of audio devices, skip it
                        if(l.Contains(audioDevString))
                                break;
                }
        }
 
+       protected abstract void parseMatch(string l);
+
        protected bool executableExists()
        {
                return File.Exists(executable);
@@ -278,6 +281,21 @@ public class WebcamFfmpegGetDevicesWindows : WebcamFfmpegGetDevicesWinMac
 
                return parameters;
        }
+
+       protected override void parseMatch(string l)
+       {
+               foreach(Match match in Regex.Matches(l, "\"([^\"]*)\""))
+               {
+                       //remove quotes from the match (at beginning and end) to add it in SQL
+                       string s = match.ToString().Substring(1, match.ToString().Length -2);
+
+                       LogB.Information("add match: " + s);
+                       if(s.Length < 3)
+                               break;
+
+                       wd_list.Add(new WebcamDevice(s[1].ToString(), s)); //code will be char 1: "[0] my 
device"
+               }
+       }
 }
 
 public class WebcamFfmpegGetDevicesMac : WebcamFfmpegGetDevicesWinMac
@@ -306,4 +324,24 @@ public class WebcamFfmpegGetDevicesMac : WebcamFfmpegGetDevicesWinMac
 
                return parameters;
        }
+
+       protected override void parseMatch(string l)
+       {
+               if(! l.Contains("AVFoundation input device"))
+                       return;
+
+               int firstBracketEnd = l.IndexOf(']');
+               if(firstBracketEnd > 0 && l.Length > firstBracketEnd + 2)
+               {
+                       string s = l.Substring(firstBracketEnd);
+                       int secondBracketStart = s.IndexOf('[');
+
+                       if(secondBracketStart > 0 && s.Length > secondBracketStart + 2)
+                       {
+                               s = s.Substring(secondBracketStart);
+                               LogB.Information("MAC matchPARSE: ***" + s + "***");
+                               wd_list.Add(new WebcamDevice(s[1].ToString(), s));
+                       }
+               }
+       }
 }