PreferenceSpecifiers Type PSToggleSwitchSpecifier Title Automatically start Key start_video_preference DefaultValue Type PSToggleSwitchSpecifier Title Automatically accept Key accept_video_preference DefaultValue Type PSToggleSwitchSpecifier Title Show self view Key self_video_preference Type PSToggleSwitchSpecifier Title Show preview Key preview_preference Key video_preset_preference Title Video preset Titles Default High FPS Custom Type PSMultiValueSpecifier Values default high-fps custom DefaultValue default Key video_preferred_size_preference Title Preferred video size Titles HD (960x720) VGA (640x480) QVGA (320x240) Type PSMultiValueSpecifier Values 0 1 2 DefaultValue 1 Key video_preferred_fps_preference Title Preferred FPS Type PSMultiValueSpecifier Titles No preference 5 10 15 20 25 30 Values 0 5 10 15 20 25 30 DefaultValue 0 Key download_bandwidth_preference Title Bandwidth limit in kbits/s Type PSTextFieldSpecifier AutocapitalizationType None AutocorrectionType No KeyboardType NumberPad DefaultValue 380 IASKTextAlignment IASKUITextAlignmentRight Title Codecs Type PSGroupSpecifier DefaultValue Key vp8_preference Title VP8 Type PSToggleSwitchSpecifier DefaultValue Key h264_preference Title H.264 Type PSToggleSwitchSpecifier DefaultValue Key h265_preference Title H.265 Type PSToggleSwitchSpecifier DefaultValue Key mp4v-es_preference Title MPEG-4 Type PSToggleSwitchSpecifier