From d8f2c076ab00798d0596e84f34a8b3b9dfb64499 Mon Sep 17 00:00:00 2001
From: sevenc-nanashi <sevenc7c@sevenc7c.com>
Date: Tue, 27 Jun 2023 06:32:24 +0900
Subject: [PATCH] =?UTF-8?q?Delete:=20outputSamplingRate=E3=81=AE=E3=83=AF?=
 =?UTF-8?q?=E3=83=BC=E3=82=AF=E3=82=A2=E3=83=A9=E3=82=A6=E3=83=B3=E3=83=89?=
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---
 deps.ts                |  2 --
 providers/synthesis.ts | 31 +++----------------------------
 2 files changed, 3 insertions(+), 30 deletions(-)

diff --git a/deps.ts b/deps.ts
index 6d6fa93..2274024 100644
--- a/deps.ts
+++ b/deps.ts
@@ -4,8 +4,6 @@ export { serve } from "https://deno.land/std@0.190.0/http/server.ts";
 export { parse } from "https://deno.land/std@0.190.0/flags/mod.ts";
 export { dirname } from "https://deno.land/std@0.190.0/path/mod.ts";
 export { default as ky } from "https://esm.sh/ky@0.33.2";
-// @deno-types="npm:@types/wav"
-export * as wav from "npm:wav";
 export { fromUint8Array as toBase64 } from "https://deno.land/x/base64@v0.2.1/mod.ts";
 import osPaths from "https://deno.land/x/os_paths@v7.4.0/src/mod.deno.ts";
 
diff --git a/providers/synthesis.ts b/providers/synthesis.ts
index 63ea182..8c9a71c 100644
--- a/providers/synthesis.ts
+++ b/providers/synthesis.ts
@@ -1,4 +1,3 @@
-import { wav } from "../deps.ts";
 import { Provider } from "./index.ts";
 import { Readable } from "node:stream";
 import { Buffer } from "node:buffer";
@@ -187,42 +186,18 @@ const synthesisProvider: Provider = ({ baseClient, app }) => {
       intonationScale: audioQuery.intonationScale,
       prePhonemeLength: audioQuery.prePhonemeLength,
       postPhonemeLength: audioQuery.postPhonemeLength,
-      outputSamplingRate: audioQuery.outputSamplingRate * 2,
+      outputSamplingRate: audioQuery.outputSamplingRate,
     };
     const result = await baseClient.post("v1/synthesis", {
       json: body,
     });
-    if (!result.body) {
+    if (!result.ok) {
       c.status(500);
       return c.json({
         error: "synthesis failed",
       });
     }
-    const parser = new wav.Reader();
-    const writer = new wav.Writer({
-      sampleRate: audioQuery.outputStereo
-        ? audioQuery.outputSamplingRate
-        : audioQuery.outputSamplingRate * 2,
-      channels: audioQuery.outputStereo ? 2 : 1,
-      bitDepth: 16,
-    });
-    // @ts-expect-error Somehow the types are wrong
-    Readable.fromWeb(result.body).pipe(parser);
-    parser.on("error", (err) => {
-      console.error(err);
-    });
-    parser.pipe(writer);
-    const resampled = await new Promise<Buffer>((resolve) => {
-      const chunks: Buffer[] = [];
-      writer.on("data", (chunk) => {
-        chunks.push(chunk);
-      });
-      writer.on("end", () => {
-        resolve(Buffer.concat(chunks));
-      });
-    });
-
-    return c.body(new Uint8Array(resampled));
+    return c.body(result.body);
   });
 };