import YAML from "yaml" import { v4 as uuidv4 } from "uuid" import { ClapHeader, ClapMeta, ClapModel, ClapProject, ClapScene, ClapSegment } from "./types" import { getValidNumber } from "@/lib/getValidNumber" export async function serializeClap({ meta, // ClapMeta models, // ClapModel[] scenes, // ClapScene[] segments, // ClapSegment[] }: ClapProject): Promise { // we play it safe, and we verify the structure of the parameters, // to make sure we generate a valid clap file const clapModels: ClapModel[] = models.map(({ id, category, triggerName, label, description, author, thumbnailUrl, seed, assetSourceType, assetUrl, age, gender, region, appearance, voiceVendor, voiceId, }) => ({ id, category, triggerName, label, description, author, thumbnailUrl, seed, assetSourceType, assetUrl, age, gender, region, appearance, voiceVendor, voiceId, })) const clapScenes: ClapScene[] = scenes.map(({ id, scene, line, rawLine, sequenceFullText, sequenceStartAtLine, sequenceEndAtLine, startAtLine, endAtLine, events, }) => ({ id, scene, line, rawLine, sequenceFullText, sequenceStartAtLine, sequenceEndAtLine, startAtLine, endAtLine, events: events.map(e => e) })) const clapSegments: ClapSegment[] = segments.map(({ id, track, startTimeInMs, endTimeInMs, category, modelId, sceneId, prompt, label, outputType, renderId, status, assetUrl, assetDurationInMs, createdBy, editedBy, outputGain, seed, }) => ({ id, track, startTimeInMs, endTimeInMs, category, modelId, sceneId, prompt, label, outputType, renderId, status, assetUrl, assetDurationInMs, createdBy, editedBy, outputGain, seed, })) const clapHeader: ClapHeader = { format: "clap-0", numberOfModels: clapModels.length, numberOfScenes: clapScenes.length, numberOfSegments: clapSegments.length, } const clapMeta: ClapMeta = { id: meta.id || uuidv4(), title: typeof meta.title === "string" ? meta.title : "Untitled", description: typeof meta.description === "string" ? meta.description : "", licence: typeof meta.licence === "string" ? meta.licence : "", orientation: meta.orientation === "portrait" ? "portrait" : meta.orientation === "square" ? "square" : "landscape", width: getValidNumber(meta.width, 256, 8192, 1024), height: getValidNumber(meta.height, 256, 8192, 576), defaultVideoModel: typeof meta.defaultVideoModel === "string" ? meta.defaultVideoModel : "SVD", extraPositivePrompt: Array.isArray(meta.extraPositivePrompt) ? meta.extraPositivePrompt : [], screenplay: typeof meta.screenplay == "string" ? meta.screenplay : "", } const entries = [ clapHeader, clapMeta, ...clapModels, ...clapScenes, ...clapSegments ] const strigifiedResult = YAML.stringify(entries) // Convert the string to a Blob const blobResult = new Blob([strigifiedResult], { type: "application/x-yaml" }) // Create a stream for the blob const readableStream = blobResult.stream(); // Compress the stream using gzip const compressionStream = new CompressionStream('gzip'); const compressedStream = readableStream.pipeThrough(compressionStream); // Create a new blob from the compressed stream const compressedBlob = await new Response(compressedStream).blob(); return compressedBlob }