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"use client"
import { ClapProject, parseClap, serializeClap, ClapMediaOrientation, parseMediaOrientation, ClapSegmentCategory, newSegment, getClapAssetSourceType } from "@aitube/clap"
import { create } from "zustand"
import { GenerationStage, GlobalStatus, TaskStatus } from "@/types"
import { getVideoOrientation } from "@/lib/utils/getVideoOrientation"
import { RESOLUTION_LONG, RESOLUTION_SHORT } from "./server/aitube/config"
import { putTextInTextAreaElement } from "@/lib/utils/putTextInTextAreaElement"
import { defaultPrompt } from "./config"
export const useStore = create<{
mainCharacterImage: string
mainCharacterVoice: string
storyPrompt: string
// the desired orientation for the next video
// but this won't impact the actual orientation of the fake device container
orientation: ClapMediaOrientation
status: GlobalStatus
stage: GenerationStage
parseGenerationStatus: TaskStatus
storyGenerationStatus: TaskStatus
assetGenerationStatus: TaskStatus
soundGenerationStatus: TaskStatus
musicGenerationStatus: TaskStatus
voiceGenerationStatus: TaskStatus
imageGenerationStatus: TaskStatus
videoGenerationStatus: TaskStatus
finalGenerationStatus: TaskStatus
isBusy: boolean
currentClap?: ClapProject
currentVideo: string
// orientation of the currently loaded video (which can be different from `orientation`)
// it will impact the actual orientation of the fake device container
currentVideoOrientation: ClapMediaOrientation
progress: number
error: string
toggleOrientation: () => void
setOrientation: (orientation: ClapMediaOrientation) => void
setCurrentVideoOrientation: (currentVideoOrientation: ClapMediaOrientation) => void
setMainCharacterImage: (mainCharacterImage: string) => void
setMainCharacterVoice: (mainCharacterVoice: string) => void
setStoryPrompt: (storyPrompt: string) => void
setStatus: (status: GlobalStatus) => void
setParseGenerationStatus: (parseGenerationStatus: TaskStatus) => void
setStoryGenerationStatus: (storyGenerationStatus: TaskStatus) => void
setAssetGenerationStatus: (assetGenerationStatus: TaskStatus) => void
setSoundGenerationStatus: (soundGenerationStatus: TaskStatus) => void
setMusicGenerationStatus: (musicGenerationStatus: TaskStatus) => void
setVoiceGenerationStatus: (voiceGenerationStatus: TaskStatus) => void
setImageGenerationStatus: (imageGenerationStatus: TaskStatus) => void
setVideoGenerationStatus: (videoGenerationStatus: TaskStatus) => void
setFinalGenerationStatus: (finalGenerationStatus: TaskStatus) => void
syncStatusAndStageState: () => void
setCurrentClap: (currentClap?: ClapProject) => void
// note: this will preload the video, and compute the orientation too
setCurrentVideo: (currentVideo: string) => Promise<void>
setProgress: (progress: number) => void
setError: (error: string) => void
saveVideo: () => Promise<void>
saveClap: () => Promise<void>
loadClap: (blob: Blob, fileName?: string) => Promise<{
clap: ClapProject
regenerateVideo: boolean
}>
}>((set, get) => ({
mainCharacterImage: "",
mainCharacterVoice: "",
storyPromptDraft: defaultPrompt,
storyPrompt: "",
orientation: ClapMediaOrientation.PORTRAIT,
status: "idle",
stage: "idle",
parseGenerationStatus: "idle",
storyGenerationStatus: "idle",
assetGenerationStatus: "idle",
soundGenerationStatus: "idle",
musicGenerationStatus: "idle",
voiceGenerationStatus: "idle",
imageGenerationStatus: "idle",
videoGenerationStatus: "idle",
finalGenerationStatus: "idle",
isBusy: false,
currentClap: undefined,
currentVideo: "",
currentVideoOrientation: ClapMediaOrientation.PORTRAIT,
progress: 0,
error: "",
toggleOrientation: () => {
const { orientation: previousOrientation, currentVideoOrientation, currentVideo } = get()
const orientation =
previousOrientation === ClapMediaOrientation.LANDSCAPE
? ClapMediaOrientation.PORTRAIT
: ClapMediaOrientation.LANDSCAPE
set({
orientation,
// we normally don't touch the currentVideoOrientation since it will already contain a video
currentVideoOrientation:
currentVideo
? currentVideoOrientation
: orientation
})
},
setOrientation: (orientation: ClapMediaOrientation) => {
const { currentVideoOrientation, currentVideo } = get()
set({
orientation,
// we normally don't touch the currentVideoOrientation since it will already contain a video
currentVideoOrientation:
currentVideo
? currentVideoOrientation
: orientation
})
},
setCurrentVideoOrientation: (currentVideoOrientation: ClapMediaOrientation) => { set({ currentVideoOrientation }) },
setMainCharacterImage: (mainCharacterImage: string) => { set({ mainCharacterImage }) },
setMainCharacterVoice: (mainCharacterVoice: string) => { set({ mainCharacterVoice }) },
setStoryPrompt: (storyPrompt: string) => { set({ storyPrompt }) },
setStatus: (status: GlobalStatus) => {
set({ status })
get().syncStatusAndStageState()
},
setParseGenerationStatus: (parseGenerationStatus: TaskStatus) => {
set({ parseGenerationStatus })
get().syncStatusAndStageState()
},
setStoryGenerationStatus: (storyGenerationStatus: TaskStatus) => {
set({ storyGenerationStatus })
get().syncStatusAndStageState()
},
setAssetGenerationStatus: (assetGenerationStatus: TaskStatus) => {
set({ assetGenerationStatus })
get().syncStatusAndStageState()
},
setSoundGenerationStatus: (soundGenerationStatus: TaskStatus) => {
set({ soundGenerationStatus })
get().syncStatusAndStageState()
},
setMusicGenerationStatus: (musicGenerationStatus: TaskStatus) => {
set({ musicGenerationStatus })
get().syncStatusAndStageState()
},
setVoiceGenerationStatus: (voiceGenerationStatus: TaskStatus) => {
set({ voiceGenerationStatus })
get().syncStatusAndStageState()
},
setImageGenerationStatus: (imageGenerationStatus: TaskStatus) => {
set({ imageGenerationStatus })
get().syncStatusAndStageState()
},
setVideoGenerationStatus: (videoGenerationStatus: TaskStatus) => {
set({ videoGenerationStatus })
get().syncStatusAndStageState()
},
setFinalGenerationStatus: (finalGenerationStatus: TaskStatus) => {
set({ finalGenerationStatus })
get().syncStatusAndStageState()
},
syncStatusAndStageState: () => {
const { status, storyGenerationStatus, assetGenerationStatus, soundGenerationStatus, musicGenerationStatus, voiceGenerationStatus, imageGenerationStatus, videoGenerationStatus, finalGenerationStatus } = get()
// note: we don't really have "stages" since some things run in parallel,
// and some parallel tasks may finish before the others
// still, we need to estimate how long things should take, so it has some usefulness
let stage: GenerationStage =
storyGenerationStatus === "generating" ? "story" :
assetGenerationStatus === "generating" ? "entities" :
musicGenerationStatus === "generating" ? "music" :
soundGenerationStatus === "generating" ? "sounds" :
voiceGenerationStatus === "generating" ? "voices" :
imageGenerationStatus === "generating" ? "images" :
videoGenerationStatus === "generating" ? "videos" :
finalGenerationStatus === "generating" ? "final" :
"idle"
// I think we still need the global status
// that is because we can have parallelism
const isBusy = stage !== "idle" || status === "generating"
set({ isBusy, stage })
},
setCurrentClap: (currentClap?: ClapProject) => { set({ currentClap }) },
setCurrentVideo: async (currentVideo: string): Promise<void> => {
set({
currentVideo,
})
const { currentVideoOrientation } = get()
let orientation: ClapMediaOrientation = currentVideoOrientation
try {
let newOrientation = await getVideoOrientation(currentVideo)
if (newOrientation) {
orientation = newOrientation
}
} catch (err) {
console.error(`failed to get the media orientation`)
}
set({
currentVideoOrientation: orientation
})
// get().syncStatusAndStageState()
},
setProgress: (progress: number) => { set({ progress }) },
setError: (error: string) => { set({ error }) },
saveVideo: async (): Promise<void> => {
const { currentVideo, storyPrompt } = get()
if (!currentVideo) { throw new Error(`cannot save a video.. if there is no video`) }
const currentClapBlob: Blob = await fetch(currentVideo).then(r => r.blob())
// Create an object URL for the compressed clap blob
const objectUrl = URL.createObjectURL(currentClapBlob)
// Create an anchor element and force browser download
const anchor = document.createElement("a")
anchor.href = objectUrl
const firstPartOfStoryPrompt = storyPrompt // .split(",").shift() || ""
const cleanStoryPrompt = firstPartOfStoryPrompt.replace(/([^a-z0-9, ]+)/gi, "_")
const cleanName = `${cleanStoryPrompt.slice(0, 120)}`
anchor.download = `${cleanName}.mp4`
document.body.appendChild(anchor) // Append to the body (could be removed once clicked)
anchor.click() // Trigger the download
// Cleanup: revoke the object URL and remove the anchor element
URL.revokeObjectURL(objectUrl)
document.body.removeChild(anchor)
},
saveClap: async (): Promise<void> => {
const { currentClap , storyPrompt, currentVideo } = get()
if (!currentClap) { throw new Error(`cannot save a clap.. if there is no clap`) }
currentClap.meta.description = storyPrompt
// make sure we update the total duration
for (const s of currentClap.segments) {
if (s.endTimeInMs > currentClap.meta.durationInMs) {
currentClap.meta.durationInMs = s.endTimeInMs
}
}
const alreadyAnEmbeddedFinalVideo = currentClap.segments.filter(s =>
s.category === ClapSegmentCategory.VIDEO &&
s.status === "completed" &&
s.startTimeInMs === 0 &&
s.endTimeInMs === currentClap.meta.durationInMs &&
s.assetUrl).at(0)
// inject the final mp4 video file into the .clap
if (alreadyAnEmbeddedFinalVideo) {
console.log(`editing the clap to update the final video`)
alreadyAnEmbeddedFinalVideo.assetUrl = currentVideo
} else {
console.log(`editing the clap to add a new final video`)
currentClap.segments.push(newSegment({
category: ClapSegmentCategory.VIDEO,
status: "completed",
startTimeInMs: 0,
endTimeInMs: currentClap.meta.durationInMs,
assetUrl: currentVideo,
assetDurationInMs: currentClap.meta.durationInMs,
assetSourceType: getClapAssetSourceType(currentVideo),
outputGain: 1.0,
}))
}
const currentClapBlob: Blob = await serializeClap(currentClap)
// Create an object URL for the compressed clap blob
const objectUrl = URL.createObjectURL(currentClapBlob)
// Create an anchor element and force browser download
const anchor = document.createElement("a")
anchor.href = objectUrl
const firstPartOfStoryPrompt = storyPrompt // .split(",").shift() || ""
const cleanStoryPrompt = firstPartOfStoryPrompt.replace(/([^a-z0-9, ]+)/gi, " ")
const cleanName = `${cleanStoryPrompt.slice(0, 160)}`
anchor.download = `${cleanName}.clap`
document.body.appendChild(anchor) // Append to the body (could be removed once clicked)
anchor.click() // Trigger the download
// Cleanup: revoke the object URL and remove the anchor element
URL.revokeObjectURL(objectUrl)
document.body.removeChild(anchor)
},
loadClap: async (blob: Blob, fileName: string = "untitled_story.clap"): Promise<{
clap: ClapProject
regenerateVideo: boolean
}> => {
if (!blob) {
throw new Error(`missing blob`)
}
const currentClap: ClapProject | undefined = await parseClap(blob)
if (!currentClap) { throw new Error(`failed to import the clap`) }
const storyPrompt = currentClap.meta.description.split("||").pop() || ""
putTextInTextAreaElement(
document.getElementById("story-prompt-draft") as HTMLTextAreaElement,
storyPrompt
)
const orientation = parseMediaOrientation(currentClap.meta.orientation)
currentClap.meta.height = orientation === ClapMediaOrientation.LANDSCAPE ? RESOLUTION_SHORT : RESOLUTION_LONG
currentClap.meta.width = orientation === ClapMediaOrientation.PORTRAIT ? RESOLUTION_SHORT : RESOLUTION_LONG
const embeddedFinalVideoAssetUrl = currentClap.segments.filter(s =>
s.category === ClapSegmentCategory.VIDEO &&
s.status === "completed" &&
s.startTimeInMs === 0 &&
s.endTimeInMs === currentClap.meta.durationInMs &&
s.assetUrl).map(s => s.assetUrl).at(0)
set({
currentClap,
storyPrompt,
orientation,
currentVideo: embeddedFinalVideoAssetUrl || get().currentVideo,
currentVideoOrientation: orientation,
})
return {
clap: currentClap,
regenerateVideo: !embeddedFinalVideoAssetUrl,
}
},
})) |