boatmanandYueqian Lin
32dddfcef4
Signed-off-by: boatman <109857087+sphinxkkkbc@users.noreply.github.com> Co-authored-by: Yueqian Lin <70319226+linyueqian@users.noreply.github.com>
53 lines
2.2 KiB
Python
53 lines
2.2 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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"""CosyVoice3 TTS serving adapter."""
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from typing import TYPE_CHECKING
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from vllm_omni.entrypoints.openai.tts_adapters import register_tts_adapter
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from vllm_omni.entrypoints.openai.tts_adapters.base import ARTTSAdapter, PreparedRequest
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if TYPE_CHECKING:
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from vllm_omni.entrypoints.openai.protocol.audio import OpenAICreateSpeechRequest
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@register_tts_adapter
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class CosyVoice3Adapter(ARTTSAdapter):
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stage_keys = frozenset({"cosyvoice3_talker"})
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name = "cosyvoice3"
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def validate(self, request: "OpenAICreateSpeechRequest") -> str | None:
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"""Validate CosyVoice3 request parameters. Returns error message or None."""
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server = self.ctx.server
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err = server._apply_uploaded_speaker(request)
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if err:
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return err
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if not request.input or not request.input.strip():
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return "Input text cannot be empty"
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# CosyVoice3 requires reference audio for voice cloning
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if request.ref_audio is None:
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return "CosyVoice3 requires 'ref_audio' (reference audio for voice cloning)"
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fmt_err = server._validate_ref_audio_format(request.ref_audio)
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if fmt_err:
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return fmt_err
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if not request.ref_text or not request.ref_text.strip():
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return "CosyVoice3 requires 'ref_text' (transcript of the reference audio)"
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if request.max_new_tokens is not None:
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if request.max_new_tokens < self.max_new_tokens_min:
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return f"max_new_tokens must be at least {self.max_new_tokens_min}"
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if request.max_new_tokens > self.max_new_tokens_max:
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return f"max_new_tokens cannot exceed {self.max_new_tokens_max}"
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return None
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async def build(
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self, request: "OpenAICreateSpeechRequest", sampling_params_list: list, has_inline_ref_audio: bool
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) -> PreparedRequest:
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prompt = await self.ctx.server._build_cosyvoice3_prompt(request, has_inline_ref_audio=has_inline_ref_audio)
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# NOTE: CosyVoice3 dynamic-token sampling stays in the orchestrator tail
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# (keyed on _tts_model_type) during this incremental migration.
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return PreparedRequest(prompt=prompt, tts_params={}, model_type="cosyvoice3")
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