feat: 接入豆包 Seed-ICL 2.0 语音合成引擎

- 新增 doubao_service.py 调用火山引擎 TTS API - 路由加 doubao 引擎分支 - 前端引擎下拉菜单加豆包选项 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-07-02 21:11:23 +08:00
parent cb2b37436e
commit cf3c719c35
4 changed files with 64 additions and 0 deletions
@@ -0,0 +1,52 @@
+import os
+import uuid
+import requests
+
+def synthesize_doubao(text, speed=1.0, pitch=0, volume=1.0, emotion='neutral'):
+    """调用火山引擎豆包 Seed-ICL 2.0 语音合成 API"""
+    api_key = os.getenv('DOUBAO_API_KEY', '')
+    if not api_key:
+        raise ValueError('DOUBAO_API_KEY未设置')
+
+    url = 'https://openspeech.bytedance.com/api/v1/tts'
+    headers = {
+        'x-api-key': api_key,
+        'Content-Type': 'application/json'
+    }
+
+    payload = {
+        'app': {
+            'cluster': 'volcano_icl'
+        },
+        'user': {
+            'uid': 'military_tech_voice'
+        },
+        'audio': {
+            'voice_type': 'S_MK0j18H72',
+            'encoding': 'mp3',
+            'speed_ratio': speed,
+        },
+        'request': {
+            'reqid': str(uuid.uuid4()),
+            'text': text,
+            'operation': 'query'
+        }
+    }
+
+    response = requests.post(url, json=payload, headers=headers, timeout=60)
+
+    if response.status_code != 200:
+        raise Exception(f'豆包API错误: {response.status_code} - {response.text}')
+
+    result = response.json()
+
+    # 豆包返回格式: {"code": 3000, "data": "base64编码的音频"}
+    if result.get('code') == 3000 and result.get('data'):
+        import base64
+        audio_bytes = base64.b64decode(result['data'])
+        return audio_bytes
+
+    # 错误处理
+    error_msg = result.get('message', '未知错误')
+    error_code = result.get('code', 'unknown')
+    raise Exception(f'豆包返回错误 [{error_code}]: {error_msg}')