feat: tts语音生成

web/src/utils/audio.ts

@@ -0,0 +1,20 @@
+// 合并音频片段
+export const mergeAudioChunks = (chunks: ArrayBuffer[]): Uint8Array => {
+  const totalLength = chunks.reduce((acc, chunk) => acc + chunk.byteLength, 0);
+  const merged = new Uint8Array(totalLength);
+  let offset = 0;
+  chunks.forEach((chunk) => {
+    merged.set(new Uint8Array(chunk), offset);
+    offset += chunk.byteLength;
+  });
+  return merged;
+};
+
+// 创建音频播放URL
+export const createAudioUrl = (
+  audioData: Uint8Array,
+  mimeType = "audio/mp3"
+): string => {
+  const blob = new Blob([audioData as BlobPart], { type: mimeType });
+  return URL.createObjectURL(blob);
+};

web/src/utils/format.ts

@@ -0,0 +1,7 @@
+export const formatTime = (seconds: number): string => {
+  if (Number.isNaN(seconds) || !Number.isFinite(seconds)) return "00:00";
+
+  const minutes = Math.floor(seconds / 60);
+  const secs = Math.floor(seconds % 60);
+  return `${minutes.toString().padStart(2, "0")}:${secs.toString().padStart(2, "0")}`;
+};

web/src/utils/index.ts

@@ -1,4 +1,6 @@
+export * from "./audio";
 export * from "./context";
+export * from "./format";
 export * from "./media";
 export * from "./pcm";
 export * from "./title";