增加即梦图片5.0和视频2.5的能力

lib/server/seedance-billing.ts

@@ -1,9 +1,10 @@
-import { VIDEO_DURATION_MAX } from "@/lib/video-settings";
+import { SEEDANCE_25_MODEL, VIDEO_DURATION_MAX, isSeedance25Model } from "@/lib/video-settings";
 
 const SEEDANCE_FPS = 24;
 const SEEDANCE_TOKEN_SCALE = 1_000_000;
 
 export type SeedanceBillingEstimateInput = {
+  model?: unknown;
   resolution?: unknown;
   aspectRatio?: unknown;
   outputDurationSeconds: number;
@@ -13,6 +14,7 @@ export type SeedanceBillingEstimateInput = {
 };
 
 export type SeedanceActualBillingInput = {
+  model?: unknown;
   resolution?: unknown;
   inputVideo?: boolean;
   completionTokens: number;
@@ -20,11 +22,17 @@ export type SeedanceActualBillingInput = {
 };
 
 /**
- * 火山方舟文档的 Seedance 2.0 视频 token 单价，单位为“分/百万 token”。
- * 480p/720p、1080p 和 4K 的单价不同；含输入视频时使用对应的输入视频档。
+ * 火山方舟文档的 Seedance 视频 token 单价，单位为“分/百万 token”。
+ * 每个模型、分辨率及是否包含输入视频都有独立价格。
  */
-export function seedanceTokenPriceFenPerMillion(resolution: unknown, inputVideo = false): number {
+export function seedanceTokenPriceFenPerMillion(model: unknown, resolution: unknown, inputVideo = false): number {
   const normalized = normalizeSeedanceResolution(resolution);
+  if (String(model || "").trim() === SEEDANCE_25_MODEL) {
+    const prices = normalized === "1080p"
+      ? { withoutVideo: 7_700, withVideo: 4_600 }
+      : { withoutVideo: 7_000, withVideo: 4_200 };
+    return inputVideo ? prices.withVideo : prices.withoutVideo;
+  }
   const prices: Record<string, { withoutVideo: number; withVideo: number }> = {
     "480p": { withoutVideo: 4_600, withVideo: 2_800 },
     "720p": { withoutVideo: 4_600, withVideo: 2_800 },
@@ -42,7 +50,7 @@ export function calculateSeedanceActualAmountFen(input: SeedanceActualBillingInp
   if (!Number.isFinite(input.markupMultiplier) || input.markupMultiplier < 1) {
     throw new Error("Seedance 计费倍率不能低于 1.00。");
   }
-  const tokenPriceFenPerMillion = seedanceTokenPriceFenPerMillion(input.resolution, input.inputVideo);
+  const tokenPriceFenPerMillion = seedanceTokenPriceFenPerMillion(input.model, input.resolution, input.inputVideo);
   return Math.max(1, Math.ceil(
     input.completionTokens * tokenPriceFenPerMillion * input.markupMultiplier / SEEDANCE_TOKEN_SCALE
   ));
@@ -54,7 +62,7 @@ export function estimateSeedanceAmountFen(input: SeedanceBillingEstimateInput):
   }
   const inputVideo = Boolean(input.inputVideo);
   const inputDuration = inputVideo
-    ? normalizeInputVideoDuration(input.inputVideoDurationSeconds)
+    ? normalizeInputVideoDuration(input.inputVideoDurationSeconds, input.model)
     : 0;
   const completionTokens = estimateSeedanceCompletionTokens({
     resolution: input.resolution,
@@ -63,7 +71,7 @@ export function estimateSeedanceAmountFen(input: SeedanceBillingEstimateInput):
     inputVideoDurationSeconds: inputDuration
   });
   return Math.max(1, Math.ceil(
-    completionTokens * seedanceTokenPriceFenPerMillion(input.resolution, inputVideo) * input.markupMultiplier / SEEDANCE_TOKEN_SCALE
+    completionTokens * seedanceTokenPriceFenPerMillion(input.model, input.resolution, inputVideo) * input.markupMultiplier / SEEDANCE_TOKEN_SCALE
   ));
 }
 
@@ -84,10 +92,11 @@ export function estimateSeedanceCompletionTokens(input: {
 /**
  * 没有媒体元数据时按官方可接收的最大输入视频时长冻结，避免先扣少、成功后补扣造成余额不足。
  */
-export function normalizeInputVideoDuration(value: unknown): number {
+export function normalizeInputVideoDuration(value: unknown, model?: unknown): number {
   const duration = Number(value);
-  if (!Number.isFinite(duration) || duration <= 0) return VIDEO_DURATION_MAX;
-  return Math.min(VIDEO_DURATION_MAX, duration);
+  const maximum = isSeedance25Model(String(model || "")) ? 30 : VIDEO_DURATION_MAX;
+  if (!Number.isFinite(duration) || duration <= 0) return maximum;
+  return Math.min(maximum, isSeedance25Model(String(model || "")) ? Math.max(4, duration) : duration);
 }
 
 export function normalizeSeedanceResolution(value: unknown): string {
@@ -116,7 +125,7 @@ export function requestHasInputVideo(requestPayload: Record<string, unknown>): b
   return requestMaterials(requestPayload).some((material) => String(material.type || "").toLowerCase() === "video");
 }
 
-export function requestInputVideoDurationSeconds(requestPayload: Record<string, unknown>): number | undefined {
+export function requestInputVideoDurationSeconds(requestPayload: Record<string, unknown>, model?: unknown): number | undefined {
   const videoMaterials = requestMaterials(requestPayload)
     .filter((material) => String(material.type || "").toLowerCase() === "video");
   if (!videoMaterials.length) return undefined;
@@ -129,7 +138,7 @@ export function requestInputVideoDurationSeconds(requestPayload: Record<string,
     ))
     .filter((value): value is number => value !== undefined && value > 0);
   if (!knownDurations.length) return undefined;
-  return Math.min(VIDEO_DURATION_MAX, knownDurations.reduce((sum, value) => sum + value, 0));
+  return normalizeInputVideoDuration(knownDurations.reduce((sum, value) => sum + value, 0), model);
 }
 
 function requestMaterials(requestPayload: Record<string, unknown>): Array<Record<string, unknown>> {