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new-api/plugins/tasks/alibaba/plugin.js
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export const meta = {
apiVersion: 1,
key: "alibaba",
name: "Alibaba Bailian",
icon: "Bailian.Color",
description: {
en: "Alibaba Cloud Bailian Wanxiang video generation (text-to-video and image-to-video)",
zh: "阿里云百炼万相视频生成（文生视频、图生视频）",
},
version: "1.0.0",
author: { name: "QuantumNous" },
channelTypes: [17],
models: [
"wan2.7-i2v",
"wan2.7-t2v",
"wan2.5-t2v-preview",
"wan2.5-i2v-preview",
"wan2.2-i2v-flash",
"wan2.2-i2v-plus",
"wanx2.1-i2v-plus",
"wanx2.1-i2v-turbo",
],
fetchMode: "per_task",
usageSchema: {
seconds: {
type: "number",
unit: "second",
description: { en: "Requested video duration in seconds.", zh: "请求的视频时长，单位为秒。" },
},
resolution: {
enum: ["480P", "720P", "1080P"],
description: { en: "Requested output video resolution.", zh: "请求的输出视频分辨率。" },
},
},
routes: [
{ method: "POST", path: "/ali/api/v1/services/aigc/video-generation/video-synthesis", type: "submit", decode: "createVideoTask", render: "taskCreated" },
{ method: "GET", path: "/ali/api/v1/tasks/:task_id", type: "query", render: "taskStatus" },
],
protocols: [{ name: "openai_responses", supports: ["stream", "sync", "background"] }, "openai_video"],
};
function trimmed(value) {
return String(value || "").trim();
}
function firstImage(req) {
if (trimmed(req.image)) return trimmed(req.image);
for (const image of req.images || []) if (trimmed(image)) return trimmed(image);
return trimmed(req.input_reference);
}
function secondImage(req) {
let count = 0;
for (const image of req.images || []) {
if (!trimmed(image)) continue;
count++;
if (count === 2) return trimmed(image);
}
return "";
}
function normalizeResolution(value) {
let resolution = String(value || "").toUpperCase();
if (!resolution.endsWith("P")) resolution += "P";
return resolution;
}
function convert(ctx) {
const req = ctx.requestBody;
const upstreamModel = ctx.upstreamModel || req.model;
const input = { prompt: req.prompt || "" };
const image = firstImage(req);
if (image) input.img_url = image;
const parameters = { prompt_extend: true, duration: 5 };
if (req.size) {
if (String(req.model).includes("t2v") && !String(req.size).includes("*")) throw new Error("invalid size: " + req.size + ", example: 1920*1080");
if (String(req.size).includes("*")) parameters.size = req.size;
else parameters.resolution = normalizeResolution(req.size);
} else if (String(req.model).includes("t2v")) {
parameters.size = String(req.model).startsWith("wan2.5") || String(req.model).startsWith("wan2.2") ? "1920*1080" : "1280*720";
} else if (String(req.model).startsWith("wan2.6") || String(req.model).startsWith("wan2.5") || String(req.model).startsWith("wan2.2-i2v-plus")) {
parameters.resolution = "1080P";
} else {
parameters.resolution = "720P";
}
if (Number(req.duration) > 0) parameters.duration = Number(req.duration);
else if (req.seconds) {
const seconds = Number(req.seconds);
if (!Number.isInteger(seconds)) throw new Error("convert seconds to int failed");
parameters.duration = seconds > 0 ? seconds : 5;
}
const metadata = req.metadata || {};
Object.assign(input, metadata.input || {});
Object.assign(parameters, metadata.parameters || {});
const model = metadata.model === undefined ? upstreamModel : metadata.model;
if (model !== upstreamModel) throw new Error("can't change model with metadata");
const body = { model: model, input: input, parameters: parameters };
if (String(model).startsWith("wan2.7-i2v")) {
if (!Array.isArray(input.media) || input.media.length === 0) {
input.media = [];
const first = trimmed(input.first_frame_url) || trimmed(input.img_url) || firstImage(req);
const last = trimmed(input.last_frame_url) || secondImage(req);
if (first) input.media.push({ type: "first_frame", url: first });
if (last) input.media.push({ type: "last_frame", url: last });
if (trimmed(input.audio_url)) input.media.push({ type: "driving_audio", url: input.audio_url });
}
if (input.media.length === 0) throw new Error("wan2.7-i2v requires image, images, input_reference, or input.media");
delete input.img_url;
delete input.first_frame_url;
delete input.last_frame_url;
delete input.audio_url;
}
if (!parameters.prompt_extend) delete parameters.prompt_extend;
if (!parameters.watermark) delete parameters.watermark;
if (!parameters.seed) delete parameters.seed;
for (const key of ["resolution", "size"]) if (!parameters[key]) delete parameters[key];
return body;
}
function resolutionRatio(body) {
let resolution = body.parameters.size
? {
"832*480": "480P",
"480*832": "480P",
"624*624": "480P",
"1280*720": "720P",
"720*1280": "720P",
"960*960": "720P",
"1088*832": "720P",
"832*1088": "720P",
"1920*1080": "1080P",
"1080*1920": "1080P",
"1440*1440": "1080P",
"1632*1248": "1080P",
"1248*1632": "1080P",
}[body.parameters.size]
: normalizeResolution(body.parameters.resolution);
const ratios = {
"wan2.6-i2v": { "720P": 1, "1080P": 1 / 0.6 },
"wan2.5-t2v-preview": { "480P": 1, "720P": 2, "1080P": 1 / 0.3 },
"wan2.2-t2v-plus": { "480P": 1, "1080P": 5 },
"wan2.5-i2v-preview": { "480P": 1, "720P": 2, "1080P": 1 / 0.3 },
"wan2.2-i2v-plus": { "480P": 1, "1080P": 5 },
"wan2.2-kf2v-flash": { "480P": 1, "720P": 2, "1080P": 4.8 },
"wan2.2-i2v-flash": { "480P": 1, "720P": 2 },
"wan2.2-s2v": { "480P": 1, "720P": 1.8 },
};
return ratios[body.model] ? { key: "resolution-" + resolution, value: ratios[body.model][resolution] } : null;
}
function responsesInput(req) {
const texts = [],
images = [];
const input = req.input;
if (typeof input === "string") texts.push(input);
else if (Array.isArray(input)) {
for (const item of input) {
if (typeof item === "string") {
texts.push(item);
continue;
}
if (!item || typeof item !== "object" || Array.isArray(item)) continue;
const content = item.content === undefined ? [item] : Array.isArray(item.content) ? item.content : [item.content];
for (const part of content) {
if (typeof part === "string") {
texts.push(part);
continue;
}
if (!part || typeof part !== "object" || Array.isArray(part)) continue;
if (["input_text", "text"].includes(part.type) && typeof part.text === "string") texts.push(part.text);
if (["input_image", "image_url"].includes(part.type)) {
let image = part.image_url;
if (image && typeof image === "object") image = image.url;
if (trimmed(image)) images.push(trimmed(image));
}
}
}
}
return {
prompt: texts
.filter(function (text) {
return trimmed(text);
})
.join("\n"),
images: images,
};
}
function responsesVideoText(ctx) {
const artifact = ctx && ctx.artifacts && ctx.artifacts.video;
const url = trimmed(artifact && artifact.url);
if (!url) throw new Error("video artifact is unavailable");
const escaped = url.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
return '<video controls src="' + escaped + '"></video>';
}
export function buildSubmitRequest(ctx) {
const body = convert(ctx);
return {
url: ctx.baseUrl + "/api/v1/services/aigc/video-generation/video-synthesis",
method: "POST",
headers: { Authorization: "Bearer " + ctx.apiKey, "Content-Type": "application/json", "X-DashScope-Async": "enable" },
body: body,
action: firstImage(ctx.requestBody) ? "image_to_video" : "text_to_video",
};
}
export function parseSubmitResponse(ctx, resp) {
const body = resp.body || {};
if (body.code) throw new Error(body.code + ": " + (body.message || ""));
if (!body.output || !body.output.task_id) throw new Error("task_id is empty");
return { taskId: body.output.task_id, taskData: body };
}
export function extractUsage(ctx) {
const body = convert(ctx);
if (ctx.usagePurpose === "billing_ratios") {
const ratios = { seconds: Math.min(Number(body.parameters.duration), 3600) };
const resolution = resolutionRatio(body);
if (resolution && resolution.value !== undefined) ratios[resolution.key] = resolution.value;
return ratios;
}
let resolution = body.parameters.size
? {
"832*480": "480P",
"480*832": "480P",
"624*624": "480P",
"1280*720": "720P",
"720*1280": "720P",
"960*960": "720P",
"1088*832": "720P",
"832*1088": "720P",
"1920*1080": "1080P",
"1080*1920": "1080P",
"1440*1440": "1080P",
"1632*1248": "1080P",
"1248*1632": "1080P",
}[body.parameters.size]
: normalizeResolution(body.parameters.resolution);
if (!["480P", "720P", "1080P"].includes(resolution)) resolution = "720P";
return { seconds: Math.min(Number(body.parameters.duration), 3600), resolution: resolution };
}
export function extractUsageOnComplete(task, taskResult, body) {
const output = (body && body.output) || {};
const facts = {};
const seconds = Number(output.duration || output.duration_seconds || 0);
if (Number.isFinite(seconds) && seconds > 0) facts.seconds = Math.min(seconds, 3600);
const resolution = normalizeResolution(output.resolution || "");
if (["480P", "720P", "1080P"].includes(resolution)) facts.resolution = resolution;
return facts;
}
export function buildQueryRequest(ctx) {
return { url: ctx.baseUrl + "/api/v1/tasks/" + ctx.taskId, method: "GET", headers: { Authorization: "Bearer " + ctx.apiKey } };
}
export function parseTaskResult(ctx, body) {
const output = body.output || {};
if (output.task_status === "PENDING") return { status: "QUEUED" };
if (output.task_status === "RUNNING") return { status: "IN_PROGRESS" };
if (output.task_status === "SUCCEEDED") return { status: "SUCCESS", url: output.video_url || "" };
if (["FAILED", "CANCELED", "UNKNOWN"].includes(output.task_status)) {
let reason = body.message || "";
if (!reason && output.message) reason = "task failed, code: " + (output.code || "") + " , message: " + output.message;
if (!reason) reason = "task failed";
return { status: "FAILURE", reason: reason };
}
return { status: "QUEUED" };
}
function artifactData(ctx) {
const data = (ctx && ctx.data) || {};
if (data.data && typeof data.data === "object" && data.data.task_id && Object.prototype.hasOwnProperty.call(data.data, "data")) return data.data.data || {};
return data;
}
export function listArtifacts(task) {
const output = artifactData(task).output || {};
return task.status === "SUCCESS" && trimmed(output.video_url) ? [{ key: "video", type: "video" }] : [];
}
export function buildContentRequest(ctx) {
if (ctx.artifactKey !== "video") throw new Error("artifact_not_found");
const url = trimmed((artifactData(ctx).output || {}).video_url);
if (!url) throw new Error("artifact_not_found");
return { url: url, method: ctx.clientRequest.method, credentialless: true };
}
export const native = {
createVideoTask: function (ctx) {
if (!ctx.body || ctx.body.kind !== "json" || !ctx.body.value || Array.isArray(ctx.body.value)) throw new Error("JSON object required");
const req = ctx.body.value,
input = req.input || {},
parameters = req.parameters || {};
return {
kind: "submit",
model: req.model,
action: input.img_url ? "image_to_video" : "text_to_video",
requestBody: {
model: req.model,
prompt: input.prompt || "",
image: input.img_url,
duration: parameters.duration,
size: parameters.size || parameters.resolution,
},
};
},
taskCreated: function (ctx, task) {
const data = task.data || {};
return { request_id: data.request_id || "", output: { task_id: task.task_id, task_status: "PENDING" } };
},
taskStatus: function (ctx, task) {
const data = task.data || {},
output = Object.assign({}, data.output || {}, { task_id: task.task_id });
return Object.assign({}, data, { output: output });
},
error: function (ctx, error) {
return { code: error.code, message: error.message, request_id: "" };
},
};
export const protocols = {
openai_responses: {
decodeRequest: function (ctx) {
if (!ctx.body || ctx.body.kind !== "json") throw new Error("JSON body required");
const req = ctx.body.value;
if (!req || typeof req !== "object" || Array.isArray(req)) throw new Error("request body must be an object");
const model = trimmed(ctx.model);
if (!model) throw new Error("model is required");
if (req.input !== undefined && typeof req.input !== "string" && !Array.isArray(req.input)) throw new Error("input must be a string or array");
const input = responsesInput(req);
const prompt = input.prompt || trimmed(req.prompt);
const requestBody = { model: model, prompt: prompt };
if (trimmed(req.image)) requestBody.image = trimmed(req.image);
if (req.images !== undefined && !Array.isArray(req.images)) throw new Error("images must be an array");
const images = [];
for (const image of req.images || []) if (trimmed(image) && !images.includes(trimmed(image))) images.push(trimmed(image));
for (const image of input.images) if (!images.includes(image)) images.push(image);
if (images.length) requestBody.images = images;
if (trimmed(req.input_reference)) requestBody.input_reference = trimmed(req.input_reference);
for (const key of ["size", "duration", "seconds"]) {
if (Object.prototype.hasOwnProperty.call(req, key)) requestBody[key] = req[key];
}
if (Object.prototype.hasOwnProperty.call(req, "metadata")) requestBody.metadata = req.metadata;
if (!prompt && (!model.includes("i2v") || !firstImage(requestBody))) throw new Error("input is required");
return { kind: "submit", model: model, action: firstImage(requestBody) ? "image_to_video" : "text_to_video", requestBody: requestBody };
},
renderEvents: function (ctx, task, previousState) {
const status = String(task.status || "UNKNOWN").toUpperCase();
const value = Number(String(task.progress || "").replace("%", ""));
const progress = Number.isFinite(value) && value >= 0 && value <= 100 ? value : null;
const state = { status: status, progress: progress };
if (status === "SUCCESS") {
const text = responsesVideoText(ctx);
const events = previousState && previousState.status === status ? [] : text ? [{ type: "output", data: text }] : [];
return { events: events, state: state, done: true };
}
if (status === "FAILURE") {
return { events: [{ type: "error", code: "task_failed", message: "task failed" }], state: state, done: true };
}
if (previousState && previousState.status === status && previousState.progress === progress) {
return { events: [], state: state, done: false };
}
const event = { type: "progress", message: status.toLowerCase() };
if (progress !== null) event.progress = progress;
return { events: [event], state: state, done: false };
},
renderFinal: function (ctx, _task) {
return {
output: [
{
type: "message",
status: "completed",
role: "assistant",
content: [
{
type: "output_text",
text: responsesVideoText(ctx),
annotations: [],
logprobs: [],
},
],
},
],
metadata: { vendor: "ali" },
};
},
},
openai_video: {
decodeRequest: function (ctx) {
let req;
if (ctx.body && ctx.body.kind === "json") req = ctx.body.value;
else if (ctx.body && ctx.body.kind === "multipart") {
if ((ctx.body.files || []).length) throw new Error("Alibaba requires image references to be URLs");
const first = function (name) {
const values = (ctx.body.fields || {})[name] || [];
if (values.length > 1) throw new Error(name + " must be provided once");
return values[0];
};
req = {};
const fields = ctx.body.fields || {};
for (const name of Object.keys(fields)) {
if (name === "images") req.images = fields[name] || [];
else req[name] = first(name);
}
if (req.metadata !== undefined) {
let parsed;
try {
parsed = JSON.parse(req.metadata);
} catch (e) {
throw new Error("metadata must be a JSON object string");
}
if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) throw new Error("metadata must be a JSON object string");
req.metadata = parsed;
}
if (req.seconds !== undefined) req.seconds = Number(req.seconds);
else if (req.duration !== undefined) req.seconds = Number(req.duration);
if (req.duration !== undefined) req.duration = Number(req.duration);
} else throw new Error("JSON or multipart body required");
return {
kind: "submit",
model: ctx.model,
action: firstImage(req) ? "image_to_video" : "text_to_video",
requestBody: Object.assign({}, req, { model: ctx.model }),
};
},
render: function (ctx, task) {
const data = task.data || {},
outputData = data.output || {};
const statuses = {
PENDING: "queued",
RUNNING: "in_progress",
SUCCEEDED: "completed",
FAILED: "failed",
CANCELED: "failed",
UNKNOWN: "failed",
};
const output = {
id: task.task_id,
object: "video",
model: task.properties ? task.properties.origin_model_name || "" : "",
status: statuses[outputData.task_status] || "unknown",
progress: Number(String(task.progress || "0").replace("%", "")),
created_at: task.created_at,
completed_at: task.updated_at,
};
if (data.code) output.error = { code: data.code, message: data.message || "" };
else if (outputData.code) output.error = { code: outputData.code, message: outputData.message || "" };
return output;
},
},
};
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