format_1, format_2 = rf.split('+')
formats_info = (self.select_format(format_1, formats),
self.select_format(format_2, formats))
+ # The first format must contain the video and the
+ # second the audio
+ if formats_info[0].get('vcodec') == 'none':
+ self.report_error('The first format must contain '
+ 'the video, try using "-f %s+%s"' %
+ (format_2, format_1))
+ return
if all(formats_info):
selected_format = {
'requested_formats': formats_info,