为api_v2增加接受base64编码的reference audio文件的功能

api_v2.py

@@ -23,7 +23,8 @@ POST:
 {
     "text": "",                   # str.(required) text to be synthesized
     "text_lang: "",               # str.(required) language of the text to be synthesized
-    "ref_audio_path": "",         # str.(required) reference audio path
+    "ref_audio_path": "",         # str.(optional) reference audio path, required if `ref_audio` not set
+    "ref_audio": ""               # str.(optional) reference audio encoded as base64, required if `ref_audio_path` not set
     "aux_ref_audio_paths": [],    # list.(optional) auxiliary reference audio paths for multi-speaker tone fusion
     "prompt_text": "",            # str.(optional) prompt text for the reference audio
     "prompt_lang": "",            # str.(required) language of the prompt text for the reference audio
@@ -42,6 +43,53 @@ POST:
 }
 ```
 
+#### 使用base64发送reference audio示例代码
+```python
+import requests
+import base64
+import json
+
+# 定义音频文件路径和文本内容
+audio_file_path = "/src/GPT-SoVITS/reference/news_reporter.wav"
+audio_text = "系统内随后发售的其它车次车票依然十分抢手，仅个别车次仍有余票。"
+
+# 读取音频文件并进行Base64编码
+with open(audio_file_path, "rb") as audio_file:
+    audio_data = audio_file.read()
+    audio_base64 = base64.b64encode(audio_data).decode('utf-8')
+
+# 构建请求数据
+payload = {
+    "text": "四渡赤水中，毛泽东险些辞职。因为他的一个打法，违反了最基本的战场原则——先弱后强，遭到了所有人的反对。但在周恩来的支持下，其他人还是按他说的打了。果然，这不仅避开了蒋中正的陷阱，还让红军找到了生机。",
+    "text_lang": "zh",
+    "ref_audio": audio_base64,
+    "prompt_text": audio_text,
+    "prompt_lang": "zh",
+    "top_k": 15,
+    "top_p": 0.7,
+    "temperature": 0.85,
+    "text_split_method": "cut5",
+    "batch_size": 1,
+    "media_type": "wav",
+    "streaming_mode": False,
+    "speed_factor": 1.1
+}
+
+# 发送POST请求
+url = 'http://localhost:9880/tts'
+headers = {'Content-Type': 'application/json'}
+response = requests.post(url, headers=headers, data=json.dumps(payload))
+
+# 检查响应状态码
+if response.status_code == 200:
+    with open('output.wav', 'wb') as output_file:
+        output_file.write(response.content)
+    print("音频文件已保存为 output.wav")
+else:
+    print(f"请求失败，状态码: {response.status_code}")
+    print(f"响应内容: {response.text}")
+```
+
 RESP:
 成功: 直接返回 wav 音频流， http code 200
 失败: 返回包含错误信息的 json, http code 400
@@ -99,6 +147,8 @@ import os
 import sys
 import traceback
 from typing import Generator
+import base64
+import tempfile
 
 now_dir = os.getcwd()
 sys.path.append(now_dir)
@@ -147,6 +197,7 @@ class TTS_Request(BaseModel):
     text: str = None
     text_lang: str = None
     ref_audio_path: str = None
+    ref_audio: str = None
     aux_ref_audio_paths: list = None
     prompt_lang: str = None
     prompt_text: str = ""
@@ -246,8 +297,8 @@ def check_params(req:dict):
     prompt_lang:str = req.get("prompt_lang", "")
     text_split_method:str = req.get("text_split_method", "cut5")
 
-    if ref_audio_path in [None, ""]:
-        return JSONResponse(status_code=400, content={"message": "ref_audio_path is required"})
+    if ref_audio_path in [None, ""] and ref_audio in [None, ""]:
+        return JSONResponse(status_code=400, content={"message": "ref_audio_path or ref_audio is required"})
     if text in [None, ""]:
         return JSONResponse(status_code=400, content={"message": "text is required"})
     if (text_lang in [None, ""]) :
@@ -367,6 +418,7 @@ async def tts_get_endpoint(
                         parallel_infer:bool = True,
                         repetition_penalty:float = 1.35
                         ):
+
     req = {
         "text": text,
         "text_lang": text_lang.lower(),
@@ -395,6 +447,13 @@ async def tts_get_endpoint(
 @APP.post("/tts")
 async def tts_post_endpoint(request: TTS_Request):
     req = request.dict()
+    if req['ref_audio']:
+        print(req['ref_audio'])
+        # 上传了以base64编码的参考音频，解码后存入临时文件并将文件路径赋值给ref_audio_path
+        decoded_audio = base64.b64decode(req['ref_audio'])
+        with tempfile.NamedTemporaryFile(delete=False) as temp_file:
+            temp_file.write(decoded_audio)
+            req['ref_audio_path'] = temp_file.name
     return await tts_handle(req)