- v -
- v
: AVInteger
, ColorTable
, FFEBUR128StateInternal
, GSMContext
, MSS2Context
, roq_cell
, VC1ParseContext
, WebPContext
, YUVFloat
, YuvPixel
- v1
: DBCtx
- V1
: TM2Context
- V1_base
: TM2Context
- v1_codebook
: cvid_strip
, strip_info
- v1_error
: mb_info
- v1_size
: strip_info
- v1_vector
: mb_info
- v2
: DBCtx
- V2
: TM2Context
- v210
: decklink_cctx
- V2_base
: TM2Context
- v4_codebook
: cvid_strip
, strip_info
- v4_error
: mb_info
- v4_size
: strip_info
- v4_vector
: mb_info
- v4l2_fmt
: fmt_map
- v_chr_sub_sample
: SwsSlice
- v_count
: MJpegDecodeContext
- v_data_ptr
: Indeo3DecodeContext
- v_data_size
: Indeo3DecodeContext
- v_edge_pos
: MpegEncContext
, SVQ3Context
- v_id
: NUVContext
- v_loop_filter
: IntraX8DSPContext
, VP3DSPContext
- v_max
: MJpegDecodeContext
- v_scount
: MJpegDecodeContext
- v_superblock_start
: Vp3DecodeContext
- v_temp
: SwsContext
- va_config
: DeintVAAPIContext
, ScaleVAAPIContext
, VAAPIDecodeContext
, VAAPIEncodeContext
- va_context
: DeintVAAPIContext
, ScaleVAAPIContext
, VAAPIDecodeContext
, VAAPIEncodeContext
- va_dpy
: DecodeContext
- va_entrypoint
: VAAPIDecodeContext
, VAAPIEncodeContext
- va_packed_headers
: VAAPIEncodeContext
- va_pics
: DPB
- va_profile
: VAAPIDecodeContext
, VAAPIEncodeContext
- va_rc_mode
: VAAPIEncodeContext
- va_rt_format
: VAAPIEncodeContext
- vad
: AMRWBFrame
, LibSpeexEncContext
- val
: Coeffs
, color_node
, FFFrac
, H264SliceContext
, HeapElem
, Jpeg2000TgtNode
, Option
, Point
, TiffGeoTag
, unit_value
, VBLEContext
, VP56Tree
- val_ac_chrominance
: MJpegContext
- val_ac_luminance
: MJpegContext
- val_bits
: TM2Huff
- val_count
: MJpegEncHuffmanContext
- val_dc_chrominance
: MJpegContext
- val_dc_luminance
: MJpegContext
- val_target_gain
: HDCDContext
- valid_extradata
: AVVorbisParseContext
- valid_hw_formats
: AVHWFramesConstraints
- valid_ids
: DeintVAAPIContext
, ScaleVAAPIContext
- valid_recovery_point
: H264Context
- valid_sw_formats
: AVHWFramesConstraints
- validate_count
: FLVContext
- validate_index
: FLVContext
- validate_next
: FLVContext
- valtab
: RVMapDesc
- value
: ArithCoder
, AVCodecDefault
, AVDictionaryEntry
, AVExpr
, color
, Decorr
, G722Context::TrellisPath
, MetadataContext
, MXFTaggedValue
, OpusRangeCoder
, PTable
, RCCMPEntry
, WtvSyncEntry
- value_max
: AVOptionRange
- value_min
: AVOptionRange
- values
: DrawGraphContext
, HuffContext
, ShowVolumeContext
, vorbis_enc_floor
- values_size
: DrawGraphContext
- var
: AVExpr
, Parser
, PullupContext
- var0
: PredictorState
- var1
: PredictorState
- var_values
: AVFilterContext
, CropContext
, DCTdnoizContext
, DrawTextContext
, EQContext
, EvalContext
, HueContext
, LUT2Context
, LutContext
, MetadataContext
, OverlayContext
, RotContext
, SelectContext
, SetPTSContext
, SetTBContext
, VignetteContext
, VolumeContext
, ZPContext
- varcompref
: VP9BitstreamHeader
- variance
: LLSModel
, range_box
- variance_aq
: xvid_context
- variants
: HLSContext
- varinfo
: FBDevContext
- vars
: PullupField
- vb
: LibvorbisEncContext
, OggVorbisDecContext
- vbi
: TeletextContext
- vbm_tree
: WMAVoiceContext
- vbr
: AACContext
, LibopusEncOpts
, OpusPacket
- vbr_quality
: LibSpeexEncContext
- vbv_buffer_size
: VAAPIEncodeMPEG2Context
- vbv_delay
: AVCodecContext
, AVCPBProperties
, MpegEncContext
- vbv_delay_ptr
: MpegEncContext
- vbv_ignore_qmax
: MpegEncContext
- vbvBufferSize
: NV_ENC_RC_PARAMS
- vbvInitialDelay
: NV_ENC_RC_PARAMS
- vc
: LibvorbisEncContext
, OggVorbisDecContext
- vc1
: AVVDPAUPictureInfo
, CUVIDPICPARAMS
, VDPAUPictureInfo
- vc1_h_loop_filter16
: VC1DSPContext
- vc1_h_loop_filter4
: VC1DSPContext
- vc1_h_loop_filter8
: VC1DSPContext
- vc1_h_overlap
: VC1DSPContext
- vc1_h_s_overlap
: VC1DSPContext
- vc1_info
: MOVTrack
- vc1_inv_trans_4x4
: VC1DSPContext
- vc1_inv_trans_4x4_dc
: VC1DSPContext
- vc1_inv_trans_4x8
: VC1DSPContext
- vc1_inv_trans_4x8_dc
: VC1DSPContext
- vc1_inv_trans_8x4
: VC1DSPContext
- vc1_inv_trans_8x4_dc
: VC1DSPContext
- vc1_inv_trans_8x8
: VC1DSPContext
- vc1_inv_trans_8x8_dc
: VC1DSPContext
- vc1_v_loop_filter16
: VC1DSPContext
- vc1_v_loop_filter4
: VC1DSPContext
- vc1_v_loop_filter8
: VC1DSPContext
- vc1_v_overlap
: VC1DSPContext
- vc1_v_s_overlap
: VC1DSPContext
- vc1dsp
: VC1Context
- vc2_subband_dwt
: VC2TransformContext
- vcd_padding_bitrate_num
: MpegMuxContext
- vcd_padding_bytes_written
: MpegMuxContext
- vChrDrop
: SwsContext
- vChrFilter
: SwsContext
- vChrFilterPos
: SwsContext
- vChrFilterSize
: SwsContext
- vChromaSubSample
: PPContext
- vcl_hrd_parameters_present_flag
: SPS
, VAAPIEncodeH264MiscSequenceParams
- vcm
: QSVEncContext
- vd
: LibvorbisEncContext
, OggVorbisDecContext
- vda_ctx
: VDADecoderContext
- vdpau_fmt
: VDPAUPixFmtMap
- vdsp
: AVSContext
, DiracContext
, H264Context
, HEVCContext
, MpegEncContext
, SnowContext
, SVQ3Context
, Vp3DecodeContext
, VP56Context
, VP8Context
, VP9Context
- vec
: Transform
- vec_entry_model
: ImageBlockCoder
- vec_entry_vlc
: MSS4Context
- vec_size_model
: ImageBlockCoder
- vectable
: frame_header
- vector
: TSContext
- vector_buf
: DssSpContext
- vector_candidate
: VP56Context
- vector_candidate_pos
: VP56Context
- vector_clip_int32
: AudioDSPContext
- vector_clipf
: AudioDSPContext
- vector_dct
: VP56Model
- vector_dmul_scalar
: AVFloatDSPContext
- vector_fdv
: VP56Model
- vector_fmac_scalar
: AVFloatDSPContext
- vector_fmul
: AVFixedDSPContext
, AVFloatDSPContext
- vector_fmul_add
: AVFixedDSPContext
, AVFloatDSPContext
- vector_fmul_reverse
: AVFixedDSPContext
, AVFloatDSPContext
- vector_fmul_scalar
: AVFloatDSPContext
- vector_fmul_window
: AVFixedDSPContext
, AVFloatDSPContext
- vector_fmul_window_scaled
: AVFixedDSPContext
- vector_height
: VqaContext
- vector_pdi
: VP56Model
- vector_pdv
: VP56Model
- vector_pow43
: AACContext
- vector_sig
: VP56Model
- vector_width
: VqaContext
- vectorscope
: VectorscopeContext
- vendor
: ProresContext
- ver
: FlashSVContext
, MPCContext
, QSVDeviceContext
, VC2EncContext
- verbatim
: AlacEncodeContext
- verbatim_only
: FlacFrame
- verbosity
: TWOLAMEContext
- verify
: TLSShared
- version
: AVClass
, AVDiracSeqHeader
, BinkContext
, CUVIDVP8PICPARAMS
, DiracContext
, DVBSubCLUT
, DVBSubContext
, DVBSubDisplayDefinition
, DVBSubObject
, DVBSubRegion
, Ebml
, FFV1Context
, FilmDemuxContext
, FourXContext
, frame_header
, G2MContext
, Hnm4DemuxContext
, Hnm4VideoContext
, HYuvContext
, ID3v2EncContext
, MDECContext
, NUTContext
, NV_ENC_CAPS_PARAM
, NV_ENC_CONFIG
, NV_ENC_CREATE_BITSTREAM_BUFFER
, NV_ENC_CREATE_INPUT_BUFFER
, NV_ENC_CREATE_MV_BUFFER
, NV_ENC_EVENT_PARAMS
, NV_ENC_INITIALIZE_PARAMS
, NV_ENC_LOCK_BITSTREAM
, NV_ENC_LOCK_INPUT_BUFFER
, NV_ENC_MAP_INPUT_RESOURCE
, NV_ENC_MEONLY_PARAMS
, NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS
, NV_ENC_PIC_PARAMS
, NV_ENC_PRESET_CONFIG
, NV_ENC_RC_PARAMS
, NV_ENC_RECONFIGURE_PARAMS
, NV_ENC_REGISTER_RESOURCE
, NV_ENC_SEQUENCE_PARAM_PAYLOAD
, NV_ENC_STAT
, NV_ENCODE_API_FUNCTION_LIST
, OMXCodecContext
, RALFContext
, SANMVideoContext
, SectionHeader
, ShortenContext
, SMUSHContext
, SnowContext
, SonicContext
, TheoraParams
, ThpDemuxContext
, VivoContext
, vorbis_context
, Vp3DecodeContext
, WMACodecContext
, WsVqaDemuxContext
, WvHeader
, xvid_ff_pass1
- version_b
: BinkAudioContext
- version_maj
: DaalaInfoHeader
- version_min
: DaalaInfoHeader
- version_sub
: DaalaInfoHeader
- versions
: CheckasmFunc
- vert_pred
: TrueMotion1Context
- vert_pred_size
: TrueMotion1Context
- vert_subsampling
: MXFDescriptor
- vertex
: OpenGLContext
- vertex_buffer
: OpenGLContext
- vertex_shader
: OpenGLContext
- vertical_bs
: HEVCContext
- vertical_compose
: DWTContext
- vertical_compose97i
: SnowDWTContext
- vertical_compose_h0
: DWTContext
- vertical_compose_h1
: DWTContext
- vertical_compose_l0
: DWTContext
- vertical_compose_l1
: DWTContext
- vfb
: AVS_VideoFrame
- vflip
: H264SEIDisplayOrientation
, MvcContext
- vframes_pos
: SWFContext
- vgCoeff
: SwsContext
- vheight
: NSVContext
- vhighsize
: VagueDenoiserContext
- vi
: AviSynthContext
, AVS_FilterInfo
, LibvorbisEncContext
, OggVorbisDecContext
- vid_texture
: VideoState
- vidclk
: VideoState
- viddec
: VideoState
- video
: AudioNEqualizerContext
, CDXLVideoContext
, decklink_ctx
, EaDemuxContext
, IffContext
, MatroskaTrack
, variant_info
, XMVDemuxContext
- video_base
: Rl2Context
- video_bit_rate
: FLVContext
, MXFStreamContext
- video_bound
: MpegMuxContext
- video_bpp
: IPMVEContext
- video_buf
: VideoData
- video_cap
: VideoData
- video_chunk_offset
: IPMVEContext
- video_chunk_size
: IPMVEContext
, TMVContext
- video_codec
: AVFormatContext
, AVOutputFormat
- video_codec_id
: AVFormatContext
, dshow_ctx
- video_context
: AVD3D11VAContext
- video_delay
: AVCodecParameters
- video_device_index
: AVFContext
, CaptureContext
- video_device_number
: dshow_ctx
- video_disable
: OptionsContext
- video_duration
: XMVDemuxContext
- video_fd
: VideoData
- video_filename
: AVFContext
- video_filter_load_file
: dshow_ctx
- video_filter_save_file
: dshow_ctx
- video_format
: CUVIDEOFORMAT
, LXFDemuxContext
, VAAPIEncodeH264MiscSequenceParams
, VAAPIEncodeH265MiscSequenceParams
, VUI
- video_fps
: MTVDemuxContext
- video_frame
: BFIContext
, PAFDemuxContext
- video_frame_height
: CinFileHeader
- video_frame_num
: dshow_ctx
- video_frame_number
: SWFContext
- video_frame_size
: CinFileHeader
, CinFrameHeader
, MviDemuxContext
- video_frame_type
: CinFrameHeader
- video_frame_width
: CinFileHeader
- video_full_range_flag
: CUVIDEOFORMAT
, VAAPIEncodeH264MiscSequenceParams
, VAAPIEncodeH265MiscSequenceParams
, VUI
- video_group
: variant
- video_height
: IPMVEContext
, XMVDemuxContext
- video_index
: BVID_DemuxContext
- video_input
: decklink_cctx
, decklink_ctx
- video_line_map
: MXFDescriptor
- video_object_layer_height
: CUVIDMPEG4PICPARAMS
- video_object_layer_width
: CUVIDMPEG4PICPARAMS
- video_offsets
: R3DContext
- video_offsets_count
: R3DContext
- video_opts
: FFServerConfig
- video_output
: AVFContext
, CaptureContext
- video_packet
: YopDecContext
- video_par
: FLVContext
, SWFContext
- video_parameter_set_id
: VAAPIEncodeH265MiscSequenceParams
- video_pin_name
: dshow_ctx
- video_pts
: BinkDemuxContext
, FourxmDemuxContext
, IPMVEContext
, MmDemuxContext
, RoqDemuxContext
- video_pts_source
: decklink_cctx
, decklink_ctx
- video_rate
: TestContext
- video_signal_description
: CUVIDEOFORMAT
- video_signal_type_present_flag
: SPS
, VAAPIEncodeH264MiscSequenceParams
, VAAPIEncodeH265MiscSequenceParams
, VUI
- video_size
: BFIContext
, CDXLVideoContext
, dc1394_data
, FFRawVideoDemuxerContext
, IffContext
, JVFrame
, PAFDemuxContext
, PAFVideoDecContext
, vfw_ctx
, XCBGrabContext
- video_st
: decklink_ctx
, SWFContext
, VideoState
- video_stream
: ModPlugContext
, RMMuxContext
, VideoState
- video_stream_index
: AVFContext
, CDXLDemuxContext
, CinDemuxContext
, FilmDemuxContext
, FlicDemuxContext
, FourxmDemuxContext
, IdcinDemuxContext
, IPMVEContext
, RoqDemuxContext
, SeqDemuxContext
, SMJPEGContext
, SMUSHContext
, StrChannel
, ThpDemuxContext
, VmdDemuxContext
, Wc3DemuxContext
, WsVqaDemuxContext
- video_stream_pts
: CinDemuxContext
- video_stype
: AVDVProfile
- video_switch
: ModPlugContext
- video_track
: Tracks
- video_track_timescale
: MOVMuxContext
- video_type
: FilmDemuxContext
, JVFrame
- video_width
: IPMVEContext
, XMVDemuxContext
- video_win
: VideoData
- videobufpos
: RMStream
- videobufsize
: RMStream
- videoFormat
: NV_ENC_CONFIG_H264_VUI_PARAMETERS
- videoFullRangeFlag
: NV_ENC_CONFIG_H264_VUI_PARAMETERS
- videoindex
: SmackerContext
- videoq
: VideoState
- videoSignalTypePresentFlag
: NV_ENC_CONFIG_H264_VUI_PARAMETERS
- videosize
: FLVContext
- videosize_offset
: FLVContext
- vidLock
: CUVIDDECODECREATEINFO
- vidpos
: DXAContext
- view_id
: CUVIDH264MVCEXT
- virtual_chunk_len
: ASFStream
- virtual_pkt_len
: ASFStream
- vis
: Jpeg2000TgtNode
- vis_texture
: VideoState
- vlc
: DCAVLC
, dv_vlc_pair
, HuffReader
, HYuvContext
, MagicYUVContext
, MimicContext
, MotionPixelsContext
, MVTable
, SheerVideoContext
, TM2Codes
, vorbis_codebook
, YLCContext
- vlc_18
: CFHDContext
- vlc_9
: CFHDContext
- vlc_bits
: DNXHDEncContext
- vlc_codes
: DNXHDEncContext
- vlc_n
: HYuvContext
- vlc_num
: Tree
- vlc_set
: SliceInfo
- vlc_state
: PlaneContext
- vlcs
: MJpegDecodeContext
- vlowsize
: VagueDenoiserContext
- vLumFilter
: SwsContext
- vLumFilterPos
: SwsContext
- vLumFilterSize
: SwsContext
- vmd_header
: VmdDemuxContext
- vmv1
: H263State
- vmv2
: H263State
- vo_type
: MpegEncContext
- vobu_start_pts
: StreamInfo
- voc
: AvsFormat
, C93DemuxContext
- vOffset
: SwsContext
- voice
: FliteContext
, voice_entry
- voice_decision
: G729Context
- voice_entry
: FliteContext
- voice_str
: FliteContext
- void
: MLPDSPContext
- vol
: sbg_script_synth
- vol_control_parameters
: Mpeg4DecContext
- vol_flags
: xvid_context
- vol_sprite_usage
: Mpeg4DecContext
- volume
: ChanParam
, MOVDref
, VolumeContext
- volume_expr
: VolumeContext
- volume_i
: VolumeContext
- volume_pexpr
: VolumeContext
- vop_coded
: CUVIDMPEG4PICPARAMS
- vop_coding_type
: CUVIDMPEG4PICPARAMS
- vop_fcode_backward
: CUVIDMPEG4PICPARAMS
- vop_fcode_forward
: CUVIDMPEG4PICPARAMS
- vop_flags
: xvid_context
- vop_rounding_type
: CUVIDMPEG4PICPARAMS
- vop_time_increment_bitcount
: CUVIDMPEG4PICPARAMS
- vorbis_inverse_coupling
: VorbisDSPContext
- vos_data
: MOVTrack
- vos_len
: MOVTrack
- vp
: LibvorbisEncContext
, oggvorbis_private
- vp3dsp
: Vp3DecodeContext
, VP56Context
- vp56_coord_div
: VP56Context
- vp56dsp
: VP56Context
- vp6_filter_diag4
: VP56DSPContext
- vp7
: VP8Context
- vp8
: CUVIDPICPARAMS
- vp8_h_loop_filter16y
: VP8DSPContext
- vp8_h_loop_filter16y_inner
: VP8DSPContext
- vp8_h_loop_filter8uv
: VP8DSPContext
- vp8_h_loop_filter8uv_inner
: VP8DSPContext
- vp8_h_loop_filter_simple
: VP8DSPContext
- vp8_idct_add
: VP8DSPContext
- vp8_idct_dc_add
: VP8DSPContext
- vp8_idct_dc_add4uv
: VP8DSPContext
- vp8_idct_dc_add4y
: VP8DSPContext
- vp8_luma_dc_wht
: VP8DSPContext
- vp8_luma_dc_wht_dc
: VP8DSPContext
- vp8_v_loop_filter16y
: VP8DSPContext
- vp8_v_loop_filter16y_inner
: VP8DSPContext
- vp8_v_loop_filter8uv
: VP8DSPContext
- vp8_v_loop_filter8uv_inner
: VP8DSPContext
- vp8_v_loop_filter_simple
: VP8DSPContext
- vp8dsp
: VP8Context
- vp9
: CUVIDPICPARAMS
- vpkt
: Hnm4DemuxContext
, Wc3DemuxContext
- vps
: HEVCParamSets
, PayloadContext
- vps_id
: HEVCSPS
- vps_list
: HEVCParamSets
- vps_max_dec_pic_buffering
: HEVCVPS
- vps_max_dec_pic_buffering_minus1
: VAAPIEncodeH265MiscSequenceParams
- vps_max_latency_increase
: HEVCVPS
- vps_max_latency_increase_plus1
: VAAPIEncodeH265MiscSequenceParams
- vps_max_layer_id
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_max_layers
: HEVCVPS
- vps_max_layers_minus1
: VAAPIEncodeH265MiscSequenceParams
- vps_max_num_reorder_pics
: VAAPIEncodeH265MiscSequenceParams
- vps_max_sub_layers
: HEVCVPS
- vps_max_sub_layers_minus1
: VAAPIEncodeH265MiscSequenceParams
- vps_num_hrd_parameters
: HEVCVPS
- vps_num_layer_sets
: HEVCVPS
- vps_num_layer_sets_minus1
: VAAPIEncodeH265MiscSequenceParams
- vps_num_reorder_pics
: HEVCVPS
- vps_num_ticks_poc_diff_minus1
: VAAPIEncodeH265MiscSequenceParams
- vps_num_ticks_poc_diff_one
: HEVCVPS
- vps_num_units_in_tick
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_poc_proportional_to_timing_flag
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_size
: PayloadContext
- vps_sub_layer_ordering_info_present_flag
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_temporal_id_nesting_flag
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_time_scale
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vps_timing_info_present_flag
: HEVCVPS
, VAAPIEncodeH265MiscSequenceParams
- vpsId
: NV_ENC_CONFIG_HEVC
- vpt
: MotionPixelsContext
- vpx_cs
: VPxContext
- vq_gain
: AMRWBSubFrame
- vq_indexes
: SiprParameters
- vq_indexes_bits
: SiprModeParam
- vq_model
: ImageBlockCoder
- vqa_version
: ADPCMDecodeContext
, VqaContext
- vrCoeff
: SwsContext
- vrev
: OGGStreamContext
- vRounder
: SwsContext
- vsad
: MECmpContext
- vsample
: LJpegEncContext
- vsbmc
: MIContext
- vscroll
: CDGraphicsContext
- vshift
: HEVCSPS
, MagicYUVContext
- vspkrpos
: SOFAlizerContext
- vsse
: MECmpContext
- vst
: DVDemuxContext
, ThpDemuxContext
- vstransform
: CUVIDVC1PICPARAMS
, VC1Context
- vsub
: BlendContext
, BoxBlurContext
, CodecViewContext
, ColorMatrixContext
, CropContext
, DecimateContext
, DrawBoxContext
, FadeContext
, FFDrawContext
, FieldMatchContext
, FlipContext
, FrameRateContext
, FSPPContext
, GEQContext
, HQDN3DContext
, HueContext
, KerndeintContext
, LenscorrectionCtx
, LutContext
, MPTestContext
, OverlayContext
, OWDenoiseContext
, PerspectiveContext
, PP7Context
, RotContext
, SabContext
, ScaleContext
, SignalstatsContext
, SmartblurContext
, SPPContext
, Stereo3DContext
, ThreadData
, TInterlaceContext
, TransContext
, UnsharpContext
, USPPContext
, VectorscopeContext
- vsub_log2
: ChromakeyContext
- vsub_max
: FFDrawContext
- vtag
: NSVContext
- vtbl
: libAVEnumMediaTypes
, libAVEnumPins
, libAVFilter
, libAVPin
- vtt_avf
: HLSContext
- vtt_basename
: HLSContext
- vtt_format_options
: HLSContext
- vtt_format_options_str
: HLSContext
- vtt_m3u8_name
: HLSContext
- vtt_oformat
: HLSContext
- vui
: HEVCSPS
- vui_hrd_parameters_present_flag
: VUI
- vui_num_ticks_poc_diff_one_minus1
: VUI
- vui_num_units_in_tick
: VUI
- vui_parameters_present_flag
: SPS
, VAAPIEncodeH265MiscSequenceParams
- vui_poc_proportional_to_timing_flag
: VUI
- vui_time_scale
: VUI
- vui_timing_info_present_flag
: VUI
- vwidth
: NSVContext