Add sample_start_step setting to configure when sampling starts (#949)

Co-authored-by: Jaret Burkett <jaretburkett@gmail.com>

ui/src/app/jobs/new/SimpleJob.tsx

@@ -1182,6 +1182,15 @@ export default function SimpleJob({
                   min={1}
                   required
                 />
+                <NumberInput
+                  label="Sample Start Step"
+                  value={jobConfig.config.process[0].sample.sample_start_step ?? 0}
+                  onChange={value => setJobConfig(value, 'config.process[0].sample.sample_start_step')}
+                  placeholder="eg. 0"
+                  className="pt-2"
+                  min={0}
+                  required
+                />
                 <SelectInput
                   label="Sampler"
                   className="pt-2"

ui/src/helpers/defaultSamples.ts

@@ -3,6 +3,7 @@ import { SampleConfig } from "@/types";
 export const defaultSampleConfig: SampleConfig = {
   sampler: 'flowmatch',
   sample_every: 250,
+  sample_start_step: 0,
   width: 1024,
   height: 1024,
   samples: [
@@ -52,6 +53,7 @@ export const defaultSampleConfig: SampleConfig = {
 export const defaultAudioSampleConfig: SampleConfig = {
   sampler: 'flowmatch',
   sample_every: 250,
+  sample_start_step: 0,
   width: 1024,
   height: 1024,
   samples: [
@@ -406,6 +408,7 @@ It's Converging!
 export const defaultIdeogramSamplesConfig: SampleConfig = {
   sampler: 'flowmatch',
   sample_every: 250,
+  sample_start_step: 0,
   width: 1024,
   height: 1024,
   samples: [
@@ -973,4 +976,4 @@ export const defaultIdeogramSamplesConfig: SampleConfig = {
   sample_steps: 30,
   num_frames: 1,
   fps: 1,
-}
+}

ui/src/types.ts

@@ -201,6 +201,7 @@ export interface SampleItem {
 export interface SampleConfig {
   sampler: string;
   sample_every: number;
+  sample_start_step: number;
   width: number;
   height: number;
   prompts?: string[];