Add speed control for inference

This commit is contained in:
WeberJulian 2023-11-14 11:53:52 +01:00
parent d96f3885d5
commit b3b22a04ca
1 changed files with 17 additions and 0 deletions

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@ -530,8 +530,10 @@ class Xtts(BaseTTS):
top_p=0.85,
do_sample=True,
num_beams=1,
speed=1.0,
**hf_generate_kwargs,
):
length_scale = 1.0 / max(speed, 0.05)
text = text.strip().lower()
text_tokens = torch.IntTensor(self.tokenizer.encode(text, lang=language)).unsqueeze(0).to(self.device)
@ -584,6 +586,13 @@ class Xtts(BaseTTS):
gpt_latents = gpt_latents[:, :k]
break
if length_scale != 1.0:
gpt_latents = F.interpolate(
gpt_latents.transpose(1, 2),
scale_factor=length_scale,
mode="linear"
).transpose(1, 2)
wav = self.hifigan_decoder(gpt_latents, g=speaker_embedding)
return {
@ -634,8 +643,10 @@ class Xtts(BaseTTS):
top_k=50,
top_p=0.85,
do_sample=True,
speed=1.0,
**hf_generate_kwargs,
):
length_scale = 1.0 / max(speed, 0.05)
text = text.strip().lower()
text_tokens = torch.IntTensor(self.tokenizer.encode(text, lang=language)).unsqueeze(0).to(self.device)
@ -674,6 +685,12 @@ class Xtts(BaseTTS):
if is_end or (stream_chunk_size > 0 and len(last_tokens) >= stream_chunk_size):
gpt_latents = torch.cat(all_latents, dim=0)[None, :]
if length_scale != 1.0:
gpt_latents = F.interpolate(
gpt_latents.transpose(1, 2),
scale_factor=length_scale,
mode="linear"
).transpose(1, 2)
wav_gen = self.hifigan_decoder(gpt_latents, g=speaker_embedding.to(self.device))
wav_chunk, wav_gen_prev, wav_overlap = self.handle_chunks(
wav_gen.squeeze(), wav_gen_prev, wav_overlap, overlap_wav_len