'format': opts.format,
'format_sort': opts.format_sort,
'format_sort_force': opts.format_sort_force,
+ 'allow_multiple_video_streams': opts.allow_multiple_video_streams,
+ 'allow_multiple_audio_streams': opts.allow_multiple_audio_streams,
'listformats': opts.listformats,
'outtmpl': outtmpl,
'autonumber_size': opts.autonumber_size,