Nodes/ComfyUI-LTX2-R2V/LTXVAddRefMultiFc
ComfyUI Node

LTXVAddRefMultiFc

Add multiple reference images at automatically assigned negative frame indices, uses DynamicCombo which requires ComfyUI 0.8.1 and frontend 1.33.4 or later.

By fangcun010·Created 6 months ago·Updated 6 months ago· 2
LTXVAddRefMultiFc
  • positive
  • negative
  • vae
  • latent
  • positive
  • negative
  • latent
  • processed_images
  • frame_step
  • info
step_multiplier2
mask_modeconstant
ramp_frames1
upscale_methodnearest-exact
negative_frame_modeallow_cross_zero
num_refs
CategoryKJNodes/ltxv

Inputs (10)

NameTypeDefaultDescription
positiveCONDITIONINGPositive conditioning to which guide keyframe info will be added
negativeCONDITIONINGNegative conditioning to which guide keyframe info will be added
vaeVAEVideo VAE used to encode the guide images
latentLATENTVideo latent, guides are added to the end of this latent
step_multiplierINT21–100Multiply frame_step to space reference frames.
mask_modeCOMBOconstantSelect how to build the guide noise mask.
ramp_framesINT11–64Expand single-frame refs to this many frames when using ramp.
upscale_methodCOMBOnearest-exactResize method used before preprocessing.
negative_frame_modeCOMBOallow_cross_zeroHow to place negative frame indices when refs span multiple frames.
num_refsCOMBOSelect how many reference images to use

Outputs (6)

NameTypeDescription
positiveCONDITIONING
negativeCONDITIONING
latentLATENTVideo latent with added references
processed_imagesIMAGEBatch of processed reference images
frame_stepINTFrame step (vae.downscale_index_formula[0])
infoSTRINGReference index mapping info