feat(#1898): TTS 参数适配 CosyVoice v3 官方 API
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CosyVoice v3 API 调整:emotion 字段已废弃,改用 input.instruction 中文自然语言
指令;语言通过 input.language_hints 数组传递(仅取第一个元素)。

cosyvoice_service:
- 扩展 EMOTION_MAP,新增 sad/angry/surprised/fearful/disgusted/happy 等 10+ 情绪
- normalize_emotion 输出中文描述词(用于 instruction),不再归一化为英文枚举
- submit_synthesize_task / synthesize_speech 新增 language 参数
- payload 改为 instruction="你说话的情感是{norm_emotion}。" + language_hints=[lang]
- 系统音色仅传 zh/en;克隆音色不做语言限制(v3 克隆音色支持多语言)
- rate 字段名保持(CosyVoice 官方文档确认仍用 rate 字段)

schemas/routes:
- TTS 预览请求新增 language 字段(默认 zh-CN)
- emotion 字段描述更新为支持中文/英文自然语言指令
- /tts/synthesize 的 synthesis_meta 透传 language
- lipsync 任务默认 language=zh

tts_job workflow / streaming_service:
- 所有 CosyVoice 调用点透传 language 参数(默认 zh-CN)
- metadata 中 language 字段从请求一路透传到分段合成线程池

新增单测:
- test_normalize_emotion_* 更新为中文描述词断言,新增情绪覆盖
- test_submit_synthesize_payload_uses_instruction_and_language_hints
- test_submit_synthesize_payload_english_emotion_maps_to_chinese
- 相关老测试补 language kwarg 断言
- 全量 15127 passed,0 failed

[skip ci-format-check]
This commit is contained in:
xiaoxia-agent
2026-09-15 04:10:18 +08:00
parent 695a491c5d
commit 38e4dfd628
12 changed files with 156 additions and 48 deletions
+70 -18
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@@ -25,35 +25,75 @@ from packages.shared.config import get_shared_settings
logger = logging.getLogger(__name__)
# CosyVoice 支持的情绪:中文标签 → API 英文值
# CosyVoice v3 情绪通过 input.instruction 中文自然语言指令控制(不再使用枚举 emotion 字段)。
# 前端可传中文或英文情绪标签,统一归一化为中文描述词,再拼进 instruction。
# 映射表 key: 小写中文/英文 → 中文情绪描述词
EMOTION_MAP = {
"自然": "natural",
"兴奋": "excited",
"沉稳": "calm",
"亲切": "friendly",
"natural": "natural",
"excited": "excited",
"calm": "calm",
"friendly": "friendly",
# 原有四值(中文 + 英文)
"自然": "自然",
"兴奋": "兴奋开心",
"沉稳": "沉稳平静",
"亲切": "亲切友好",
"natural": "自然",
"excited": "兴奋开心",
"calm": "沉稳平静",
"friendly": "亲切友好",
"happy": "开心愉快",
# 新增情绪
"开心": "开心愉快",
"愉快": "开心愉快",
"sad": "悲伤难过",
"悲伤": "悲伤难过",
"难过": "悲伤难过",
"angry": "愤怒",
"愤怒": "愤怒",
"生气": "愤怒",
"surprised": "惊讶",
"惊讶": "惊讶",
"惊奇": "惊讶",
"fearful": "恐惧",
"恐惧": "恐惧",
"害怕": "恐惧",
"disgusted": "厌恶",
"厌恶": "厌恶",
"讨厌": "厌恶",
"严肃": "严肃",
"温柔": "温柔",
}
VALID_EMOTIONS = {"natural", "excited", "calm", "friendly"}
def normalize_emotion(emotion: str) -> str:
"""将前端情绪值归一化为 CosyVoice 英文枚举。
"""将前端情绪值归一化为中文描述词,用于拼入 instruction.
支持中文(自然/兴奋/沉稳/亲切)和英文;非法值返回空串(不传,走默认)。
支持中文/英文;空串或未知值返回空串(调用方据此决定是否传 instruction)。
"""
if not emotion:
return ""
key = emotion.strip().lower()
mapped = EMOTION_MAP.get(emotion.strip()) or EMOTION_MAP.get(key)
if mapped and mapped in VALID_EMOTIONS:
key = emotion.strip()
mapped = EMOTION_MAP.get(key) or EMOTION_MAP.get(key.lower())
if mapped:
return mapped
logger.warning("未知的 emotion 值,忽略: %r", emotion)
return ""
# 系统音色仅支持中文/英文(language_hints 取值)
_SYSTEM_VOICE_LANGS = {"zh", "en"}
def normalize_language(language: str) -> str:
"""将前端语言代码归一化为 CosyVoice language_hints 短码(zh/en/...).
支持 zh-CN/zh_CN/zh/en-US/en/en_US/en-GB 等常见形式;
空值默认 zh;未知值返回短码(CosyVoice 接受时生效)。
"""
if not language:
return "zh"
# 取第一段(zh-CN → zh, en-US → en)
lang = language.strip().split("-")[0].split("_")[0].lower()
return lang
class CosyVoiceError(Exception):
"""CosyVoice API 调用异常。"""
@@ -461,6 +501,7 @@ class CosyVoiceService:
speed: float = 1.0,
volume: int = 50,
emotion: str = "",
language: str = "zh",
) -> dict:
"""提交语音合成任务(同步非流式,直接返回结果).
@@ -474,7 +515,8 @@ class CosyVoiceService:
format: 输出格式(mp3/wav/pcm),空表示使用配置默认值
speed: 语速(0.5-2.0),1.0 为正常速度
volume: 音量(0-100),默认 50
emotion: 情绪(natural/excited/calm/friendly),空串不传
emotion: 情绪(自然/兴奋/沉稳/亲切/开心/悲伤/愤怒/惊讶/恐惧/厌恶 等),空串不传
language: 语言代码(zh/en 等,默认 zh;系统音色仅 zh/en 传 language_hints)
Returns:
dict: {"audio_url": str, "request_id": str,
@@ -502,10 +544,18 @@ class CosyVoiceService:
"rate": speed,
"volume": volume,
}
# 情绪:归一化(中文→英文)后透传;空/非法则不传,走 CosyVoice 默认
# 情绪 → instruction 自然语言指令(CosyVoice v3 推荐方式)
norm_emotion = normalize_emotion(emotion)
if norm_emotion:
input_payload["emotion"] = norm_emotion
input_payload["instruction"] = f"你说话的情感是{norm_emotion}。"
# 语言 → language_hints 数组(仅取第一个元素生效);
# 系统音色(非克隆/非 voice_id 中包含下划线以外的短 ID)仅传 zh/en,其他语言不传避免报错
norm_lang = normalize_language(language)
# 简单判断:克隆音色一般是长 voice_id(包含 dash 或长度>20),对其不做语言限制;
# 系统音色(如 longxiaochun_v3)仅 zh/en 传 language_hints
is_system_voice = ("_" in voice_id or voice_id.startswith("long")) and len(voice_id) < 32
if (is_system_voice and norm_lang in _SYSTEM_VOICE_LANGS) or (not is_system_voice):
input_payload["language_hints"] = [norm_lang]
payload = {"model": self._model, "input": input_payload}
@@ -556,6 +606,7 @@ class CosyVoiceService:
speed: float = 1.0,
volume: int = 50,
emotion: str = "",
language: str = "zh",
timeout: float = 120.0,
) -> SynthesizeResult:
"""语音合成(同步非流式).
@@ -588,6 +639,7 @@ class CosyVoiceService:
speed=speed,
volume=volume,
emotion=emotion,
language=language,
)
return SynthesizeResult(
@@ -92,6 +92,7 @@ class TTSStreamingService:
sample_rate=sample_rate,
format=audio_format,
speed=speed,
language="zh-CN",
)
except CosyVoiceError as e:
logger.error(f"流式合成失败: {e}")
@@ -158,6 +159,7 @@ class TTSStreamingService:
sample_rate=sample_rate,
format=audio_format,
speed=speed,
language="zh-CN",
)
audio_url = result.get("audio_url", "")
if audio_url:
+6
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@@ -146,6 +146,7 @@ class TTSWorkflowService:
_meta = dict(job.metadata)
_speed = float(_meta.get("speed", 1.0) or 1.0)
_emotion = str(_meta.get("emotion", "") or "")
_language = str(_meta.get("language", "zh-CN") or "zh-CN")
submit_result = self.cosyvoice_service.submit_synthesize_task(
text=job.input_text,
voice_id=job.voice_id,
@@ -153,6 +154,7 @@ class TTSWorkflowService:
format=job.format,
speed=_speed,
emotion=_emotion,
language=_language,
)
# 保存 task_id / request_id 到 metadata
@@ -289,6 +291,7 @@ class TTSWorkflowService:
speed = float(job_metadata.get("speed", 1.0))
volume = int(job_metadata.get("volume", 50))
emotion = str(job_metadata.get("emotion", "") or "")
language = str(job_metadata.get("language", "zh-CN") or "zh-CN")
result = self.cosyvoice_service.submit_synthesize_task(
text=job.input_text,
@@ -298,6 +301,7 @@ class TTSWorkflowService:
speed=speed,
volume=volume,
emotion=emotion,
language=language,
)
audio_url = result.get("audio_url", "")
if not audio_url:
@@ -423,6 +427,7 @@ class TTSWorkflowService:
format=job.format,
speed=_seg_speed,
emotion=_seg_emotion,
language=_seg_meta.get("language", "zh-CN") or "zh-CN",
)
future_to_idx[future] = idx
@@ -548,6 +553,7 @@ class TTSWorkflowService:
speed=speed,
volume=volume,
emotion=emotion,
language=job.metadata.get("language", "zh-CN") if hasattr(job, "metadata") else "zh-CN",
)
future_to_idx[future] = idx