功能增加

lib/server/minimax-billing.ts

@@ -0,0 +1,31 @@
+export const MINIMAX_H3_MODEL = "MiniMax-H3";
+
+export function minimaxH3VideoPriceFenPerSecond(resolution: unknown) {
+  return String(resolution || "").trim().toUpperCase() === "2K" ? 80 : 50;
+}
+
+export function calculateMinimaxH3ActualAmountFen(input: {
+  resolution?: unknown;
+  outputSeconds: number;
+  inputVideoSeconds?: number;
+  inputImageCount?: number;
+  markupMultiplier: number;
+}) {
+  const outputSeconds = integer(input.outputSeconds);
+  const inputVideoSeconds = nonNegativeInteger(input.inputVideoSeconds);
+  const inputImageCount = nonNegativeInteger(input.inputImageCount);
+  if (outputSeconds <= 0) throw new Error("MiniMax H3 实际输出时长必须大于 0。");
+  if (!Number.isFinite(input.markupMultiplier) || input.markupMultiplier < 1) throw new Error("MiniMax H3 计费倍率不能低于 1.00。");
+  const standardAmountFen = (outputSeconds + inputVideoSeconds) * minimaxH3VideoPriceFenPerSecond(input.resolution)
+    + Math.max(0, inputImageCount - 5) * 20;
+  return Math.ceil(standardAmountFen * input.markupMultiplier);
+}
+
+function integer(value: unknown) {
+  const number = Number(value);
+  return Number.isInteger(number) ? number : 0;
+}
+
+function nonNegativeInteger(value: unknown) {
+  return Math.max(0, integer(value));
+}