Vizard Agent

How to change a generated film without regenerating it

Last updated 2026-08-30 · 7 min read

Upload the film you already have and tell Vizard Agent explicitly not to regenerate it. Vizard Agent studies the master frame by frame, detects its exact shot boundaries, analyses its sound design, and fits the new material into the existing cut so everything you liked survives untouched.

What is the short version?

When a generated film comes out right, asking for a change is frightening, because rerolling it gives you a different film. The way around that is to treat the master as footage rather than as a prompt — the existing frames stay, and the change is an edit.

  1. Go to Vizard Agent and upload the master film.
  2. Say explicitly that it must not be regenerated or recreated.
  3. Say what should change and what must be preserved.

What do you need before you start?

The master and a precise list. Vizard Agent treats the existing film as fixed material once you say so, and the more specifically you can name what you love about it, the less risk there is of that being traded away for the change you asked for.

What do you type into Vizard Agent?

Put the prohibition first and be emphatic about it. Vizard Agent will otherwise reach for the generator when a change would be easier to generate than to edit, which is usually the right instinct and is exactly what you are ruling out here.

Prompt

USE THE EXISTING MASTER AS THE BASE. DO NOT REGENERATE OR RECREATE THE FILM. I want to keep the lighting, the atmosphere, the pacing, the typography and the overall concept exactly as they are. The change is: [what you want].

Variants worth knowing:

What does Vizard Agent actually do?

Here is the order Vizard Agent worked in on a real update to a generated master. The step that makes an invisible edit possible is the twentieth: it detected the master's exact shot boundaries, so new material lands on cuts rather than across them.

  1. Reads the project ledger and workspace, then probes the uploaded videos.
  2. Downloads all the inputs and extracts review grids from each.
  3. Views the master film frame by frame and reviews the real footage supplied.
  4. Builds a contact sheet of the new photos and looks at them.
  5. Zooms into the film's final seconds and checks the ending frames in detail.
  6. Fetches the photos used in the original master and views them.
  7. Listens to the real recording and analyses the master's sound design.
  8. Checks for duplicate photos and identifies who is who in the footage.
  9. Detects the master's exact shot boundaries and shot changes before cutting anything into it.

Step 6 is the one that keeps continuity. Recovering the assets the master was built from means a new section can use the same photographs rather than introducing images that do not belong to the same visual world.

What does the result look like?

From the run this page is written from, probed on the delivered file: 1920x1080, H.264, 30fps, 60.01 seconds, AAC audio. A minute-long film in which the generated master is intact — its lighting, its pacing, its typography, its atmosphere — with the new material fitted into it at the existing shot boundaries.

Nothing was rerolled. That is the entire requirement, and it is why the analysis takes longer than the edit: the work is understanding a film well enough to change it without disturbing it.

When does this not work well?

Preserving a master necessarily limits what a change can be. Some requests genuinely cannot be satisfied without regenerating something, and Vizard Agent will tell you which ones those are rather than quietly rerolling the film and hoping you do not notice.

How do you fix a result that came back wrong?

Say what moved that should not have. Vizard Agent keeps the master, its detected shot boundaries, its sound analysis and the recovered original assets, so a change can be redone without the master having been touched in between.

How does Vizard Agent compare to doing it yourself?

By hand, changing a generated film usually means going back to the prompt, which gives you a different film. The alternative is editing the render, which means finding the cuts by eye and matching a look you did not build.

By hand Vizard Agent
The change Reroll the prompt, lose the film Edited into the existing render
Cuts Find them by scrubbing Shot boundaries detected exactly
Continuity New assets that do not match Original assets recovered and reused
Sound Rebuild the mix The master's sound design analysed first

Common questions

Will Vizard Agent regenerate anything? Not if you say not to. Vizard Agent treats the master as footage and edits rather than rerolls.

How does it find the cuts? Vizard Agent detects the master's exact shot boundaries before fitting anything in.

Can I add real footage to a generated film? Yes. Vizard Agent cuts it in at existing boundaries and can grade it toward the look.

Will the length change? Not unless you ask. Vizard Agent fits changes inside the original duration by default.

Can it reuse the original images? Yes. Vizard Agent recovers the assets the master was built from and reuses them.

Why analyse the sound design first? Because a generated film's atmosphere is as much in its mix as its picture, and cutting new audio in without knowing how the master was balanced is the fastest way to break the thing you asked to preserve.

What if my change needs a new scene? Then something has to be generated. Vizard Agent will say so rather than deciding for you.

Can I get both versions? Yes. Vizard Agent never overwrites the master, so both versions can be delivered.

Does this work on any film? Any render. Vizard Agent treats generated, filmed and mixed masters exactly the same way.

Should I preserve the master or start again? Preserve it whenever the thing you like is hard to describe. Vizard Agent can rebuild from a prompt, but atmosphere and pacing are precisely what a reroll loses, and those are usually why the master was worth keeping.

Can the same master serve several versions? Yes. Vizard Agent edits into a copy each time, so one film can produce a long cut, a social cut and a localised version without any of them touching the original render.

Does Vizard Agent check the result against the master? Yes. It compares the new version to the original before delivery.