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fix flow cache bug

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lyuxiang.lx
2025-04-15 13:12:25 +08:00
parent e1ffb1e978
commit d71d790f55
1 changed files with 4 additions and 4 deletions
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8
cosyvoice/cli/model.py
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@@ -301,7 +301,7 @@ class CosyVoice2Model(CosyVoiceModel):
self.flow.half()
# stream related params, check examples/libritts/cosyvoice2/conf/cosyvoice2.yaml
self.token_hop_len = 25
self.flow_decoder_required_cache_size = -1 if use_flow_cache is False else 1 * self.token_hop_len
self.flow_decoder_required_cache_size = -1 if use_flow_cache is False else 1 * self.token_hop_len * self.flow.token_mel_ratio
# hift cache
self.mel_cache_len = 8
self.source_cache_len = int(self.mel_cache_len * 480)
@@ -340,7 +340,7 @@ class CosyVoice2Model(CosyVoiceModel):
return cache
def trim_flow_cache(self, cache):
if self.flow_decoder_required_cache_size > 0:
if self.flow_decoder_required_cache_size > 0 and cache['decoder_cache']['down_blocks_kv_cache'].size(4) > self.flow_decoder_required_cache_size:
cache['decoder_cache']['down_blocks_kv_cache'] = cache['decoder_cache']['down_blocks_kv_cache'][:, :, :, :, -self.flow_decoder_required_cache_size:]
cache['decoder_cache']['mid_blocks_kv_cache'] = cache['decoder_cache']['mid_blocks_kv_cache'][:, :, :, :, -self.flow_decoder_required_cache_size:]
cache['decoder_cache']['up_blocks_kv_cache'] = cache['decoder_cache']['up_blocks_kv_cache'][:, :, :, :, -self.flow_decoder_required_cache_size:]
@@ -410,8 +410,8 @@ class CosyVoice2Model(CosyVoiceModel):
if stream is True:
assert self.use_flow_cache is True, "set use_flow_cache=True if you want to use stream inference to avoid OOM"
# NOTE in cache mode, trim flow_prompt to same size as flow_decoder_required_cache_size
flow_prompt_speech_token = flow_prompt_speech_token[:, -self.flow_decoder_required_cache_size:]
prompt_speech_feat = prompt_speech_feat[:, -self.flow_decoder_required_cache_size * 2:]
flow_prompt_speech_token = flow_prompt_speech_token[:, -int(self.flow_decoder_required_cache_size / self.flow.token_mel_ratio):]
prompt_speech_feat = prompt_speech_feat[:, -self.flow_decoder_required_cache_size:]
while True:
time.sleep(0.1)
if len(self.tts_speech_token_dict[this_uuid]) >= self.token_hop_len + self.flow.pre_lookahead_len: