From c44fa711a799ba7f433511d8c2f7bc3056c342a7 Mon Sep 17 00:00:00 2001
From: lanhao <admin@lanhao.com>
Date: Thu, 2 Jul 2026 21:44:30 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20CosyVoice=E8=A1=A5=E5=85=A8=E8=AF=AD?=
 =?UTF-8?q?=E9=80=9F/=E5=A3=B0=E8=B0=83/=E9=9F=B3=E9=87=8F=E5=8F=82?=
 =?UTF-8?q?=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

三个引擎的滑块参数现在全部生效

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 backend/app/services/cosyvoice_service.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/backend/app/services/cosyvoice_service.py b/backend/app/services/cosyvoice_service.py
index 321f6a1..3685493 100644
--- a/backend/app/services/cosyvoice_service.py
+++ b/backend/app/services/cosyvoice_service.py
@@ -13,6 +13,11 @@ def synthesize_cosyvoice(text, speed=1.0, pitch=0, volume=1.0, instruction=None)
         'Content-Type': 'application/json'
     }
     
+    # 前端 pitch: -12~12 → API rate: 0.5~2.0（以1.0为中心）
+    pitch_ratio = max(0.5, min(2.0, 1.0 + pitch / 24))
+    # 前端 volume: 0~10 → API volume: 0~100
+    volume_int = int(max(0, min(100, volume * 10)))
+
     payload = {
         'model': 'cosyvoice-v3.5-flash',
         'input': {
@@ -20,6 +25,11 @@ def synthesize_cosyvoice(text, speed=1.0, pitch=0, volume=1.0, instruction=None)
             'voice': 'cosyvoice-v3.5-flash-bailian-e859a6e87823419f9c6b3eefb1a97dc3',
             'format': 'mp3',
             'sample_rate': 32000
+        },
+        'parameters': {
+            'rate': max(0.5, min(2.0, speed)),
+            'pitch': pitch_ratio,
+            'volume': volume_int
         }
     }