Add 'extract audio from video' option

youtube_dl_gui/optionsframe.py

@@ -435,6 +435,7 @@ class FormatsTab(TabPanel):
 
         self.post_proc_opts_label = self.crt_statictext("Post-Process options")
         self.keep_video_checkbox = self.crt_checkbox("Keep original video")
+        self.extract_audio_checkbox = self.crt_checkbox("Extract audio from video file")
 
         self.audio_quality_label = self.crt_statictext("Audio quality")
         self.audio_quality_combobox = self.crt_combobox(list(self.AUDIO_QUALITY.values()))
@@ -452,7 +453,8 @@ class FormatsTab(TabPanel):
         vertical_sizer.Add(self.audio_formats_checklistbox, 1, wx.EXPAND | wx.ALL, border=5)
 
         vertical_sizer.Add(self.post_proc_opts_label)
-        vertical_sizer.Add(self.keep_video_checkbox, flag=wx.ALL, border=5)
+        vertical_sizer.Add(self.keep_video_checkbox, flag=wx.LEFT | wx.RIGHT | wx.TOP, border=5)
+        vertical_sizer.Add(self.extract_audio_checkbox, flag=wx.LEFT | wx.RIGHT | wx.BOTTOM, border=5)
 
         audio_quality_sizer = wx.BoxSizer(wx.HORIZONTAL)
         audio_quality_sizer.Add(self.audio_quality_label, flag=wx.ALIGN_CENTER_VERTICAL)
@@ -471,6 +473,7 @@ class FormatsTab(TabPanel):
         self.audio_formats_checklistbox.SetCheckedStrings(checked_audio_formats)
         self.keep_video_checkbox.SetValue(self.opt_manager.options["keep_video"])
         self.audio_quality_combobox.SetValue(self.AUDIO_QUALITY[self.opt_manager.options["audio_quality"]])
+        self.extract_audio_checkbox.SetValue(self.opt_manager.options["to_audio"])
 
     def save_options(self):
         checked_video_formats = [VIDEO_FORMATS[vformat] for vformat in self.video_formats_checklistbox.GetCheckedStrings()]
@@ -479,6 +482,7 @@ class FormatsTab(TabPanel):
         self.opt_manager.options["selected_audio_formats"] = checked_audio_formats
         self.opt_manager.options["keep_video"] = self.keep_video_checkbox.GetValue()
         self.opt_manager.options["audio_quality"] = self.AUDIO_QUALITY[self.audio_quality_combobox.GetValue()]
+        self.opt_manager.options["to_audio"] = self.extract_audio_checkbox.GetValue()
 
 
 class DownloadsTab(TabPanel):