Use path to find ffmpeg

Author: javalikescript

Ffmpeg.lua

@@ -35,7 +35,7 @@ return class.create(function(ffmpeg)
   end
 
   function ffmpeg:configure(options)
-    local ffDir = File:new(options.ffmpeg)
+    local ffDir = File:new(options.ffmpeg or system.findExecutablePath('ffmpeg') or 'ffmpeg')
     if ffDir:isDirectory() then
       self.ffmpegPath = File:new(ffDir, getExecutableName('ffmpeg')):getPath()
     else

fcutSchema.lua

@@ -53,7 +53,6 @@ return {
         ffmpeg = {
           title = 'The ffmpeg path',
           type = 'string',
-          default = (require('jls.lang.system').isWindows() and 'ffmpeg\\ffmpeg.exe' or '/usr/bin/ffmpeg'),
         },
         ffprobe = {
           title = 'The ffprobe path, the default value is computed from the ffmpeg path',