[chronojump] More webcam ffmpeg mac params fixes

[Xavier de Blas <xaviblas src gnome org>]

commit fce3b7f14ddbc15b38c21fb42377c3f1b1819d71
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Apr 8 13:34:35 2019 +0200

    More webcam ffmpeg mac params fixes

 src/webcamFfmpeg.cs | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)
---
diff --git a/src/webcamFfmpeg.cs b/src/webcamFfmpeg.cs
index e6330b7c..9d4e03c2 100644
--- a/src/webcamFfmpeg.cs
+++ b/src/webcamFfmpeg.cs
@@ -232,10 +232,8 @@ public class WebcamFfmpeg : Webcam
                        parameters.Insert (i ++, videoDevice);
                else if (os == UtilAll.OperatingSystems.WINDOWS)
                        parameters.Insert (i ++, "video=" + videoDevice);
-               else {  //mac
-                       parameters.Insert (i ++, "-i");
+               else    //mac
                        parameters.Insert (i ++, videoDevice);
-               }
 
                parameters.Insert (i ++, "-ss");
                parameters.Insert (i ++, "0:0:2");
@@ -293,10 +291,8 @@ public class WebcamFfmpeg : Webcam
                        parameters.Insert (i ++, videoDevice);
                else if (os == UtilAll.OperatingSystems.WINDOWS)
                        parameters.Insert (i ++, "video=" + videoDevice);
-               else {  //mac
-                       parameters.Insert (i ++, "-i");
+               else    //mac
                        parameters.Insert (i ++, videoDevice);
-               }
 
                parameters.Insert (i ++, Util.GetVideoTempFileName());
 
@@ -326,10 +322,8 @@ public class WebcamFfmpeg : Webcam
                        parameters.Insert (i ++, videoDevice);
                else if (os == UtilAll.OperatingSystems.WINDOWS)
                        parameters.Insert (i ++, "video=" + videoDevice);
-               else {  //mac
-                       parameters.Insert (i ++, "-i");
+               else    //mac
                        parameters.Insert (i ++, videoDevice);
-               }
 
                parameters.Insert (i ++, "-map");
                parameters.Insert (i ++, "0");