Skip to content

individualize override parameters per backend #97

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
fanny-riols merged 1 commit into from
Apr 29, 2026
Merged

individualize override parameters per backend #97

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 25 additions & 8 deletions src/eva/assistant/pipeline/services.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,12 @@ def create_tts_service(
voice=params.get("voice", "alloy"),
base_url=url,
)
chatterbox_tts._eva_extra_body = {
"streaming_quality": "fast",
"streaming_strategy": "word",
"streaming_chunk_size": 80,
"streaming_buffer_size": 1,
}
OpenAITTSService.run_tts = override_run_tts
chatterbox_tts._settings.language = language_code
return chatterbox_tts
Expand Down Expand Up @@ -316,6 +322,13 @@ def create_tts_service(
voice=params.get("voice", "alloy"),
base_url=url,
)
kokoro_tts._eva_extra_body = {
"stream": True,
"streaming_quality": "fast",
"streaming_strategy": "word",
"streaming_chunk_size": 80,
"streaming_buffer_size": 1,
}
OpenAITTSService.run_tts = override_run_tts
kokoro_tts._settings.language = language_code
return kokoro_tts
Expand Down Expand Up @@ -372,6 +385,12 @@ def create_tts_service(
voice=params.get("voice", "alloy"),
base_url=url,
)
xtts_tts._eva_extra_body = {
"streaming_quality": "fast",
"streaming_strategy": "word",
"streaming_chunk_size": 80,
"streaming_buffer_size": 1,
}
OpenAITTSService.run_tts = override_run_tts
xtts_tts._settings.language = language_code
return xtts_tts
Expand Down Expand Up @@ -604,20 +623,18 @@ async def override_run_tts(self, text: str, context_id: str) -> AsyncGenerator[F
try:
await self.start_ttfb_metrics()

# add chatterbox streaming params to `create_params``
# Setup API parameters
# Per-backend streaming knobs are attached to the service instance as
# `_eva_extra_body` by the factory in this module (e.g. kokoro sets
# "stream": True; chatterbox/xtts omit it).
create_params = {
"input": text,
"model": self._settings.model,
"voice": self._settings.voice,
"response_format": "pcm",
"extra_body": {
"streaming_quality": "fast",
"streaming_strategy": "word",
"streaming_chunk_size": 80,
"streaming_buffer_size": 1,
},
}
extra_body = getattr(self, "_eva_extra_body", None)
if extra_body:
create_params["extra_body"] = extra_body

if self._settings.instructions:
create_params["instructions"] = self._settings.instructions
Expand Down
Loading