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Browse files- app.py +129 -46
- requirements.txt +1 -2
app.py
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import spaces
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import gradio as gr
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from dotenv import load_dotenv
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import numpy as np
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from orpheus_cpp import OrpheusCpp
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load_dotenv()
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#
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@spaces.GPU()
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def generate_speech(text, voice, temperature, top_p, repetition_penalty, max_new_tokens, progress=gr.Progress()):
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if not text.strip():
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return None
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try:
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progress(0.
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# Configuration des options de génération
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options = {
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"voice_id": voice,
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"temperature": temperature,
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"top_p": top_p,
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"repetition_penalty": repetition_penalty,
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"max_tokens": max_new_tokens
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}
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progress(0.
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progress(0.
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audio_samples = np.array(audio_samples)
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return (
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except Exception as e:
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print(f"Erreur lors de la génération de la parole: {e}")
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return None
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@@ -87,11 +175,6 @@ with gr.Blocks(title="Orpheus Text-to-Speech") as demo:
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- Ajoutez des éléments paralinguistiques comme {", ".join(EMOTIVE_TAGS)} ou `euh` pour une parole plus humaine.
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- Les textes plus longs fonctionnent généralement mieux que les phrases très courtes
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- Augmenter `repetition_penalty` et `temperature` fait parler le modèle plus rapidement.
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## Améliorations avec orpheus-cpp:
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- Performances optimisées et temps de génération réduit
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- Utilisation plus efficace de la mémoire
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- Latence réduite pour une meilleure expérience utilisateur
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""")
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with gr.Row():
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with gr.Column(scale=3):
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import spaces
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from snac import SNAC
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import torch
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import gradio as gr
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from transformers import AutoModelForCausalLM, AutoTokenizer
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from huggingface_hub import snapshot_download
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from dotenv import load_dotenv
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load_dotenv()
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# Vérifier si CUDA est disponible
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device = "cuda" if torch.cuda.is_available() else "cpu"
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print("Chargement du modèle SNAC...")
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snac_model = SNAC.from_pretrained("hubertsiuzdak/snac_24khz")
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snac_model = snac_model.to(device)
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model_name = "canopylabs/3b-fr-ft-research_release"
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# Télécharger uniquement la configuration du modèle et les safetensors
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snapshot_download(
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repo_id=model_name,
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allow_patterns=[
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"config.json",
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"*.safetensors",
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"model.safetensors.index.json",
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],
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ignore_patterns=[
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"optimizer.pt",
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"pytorch_model.bin",
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"training_args.bin",
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"scheduler.pt",
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"tokenizer.json",
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"tokenizer_config.json",
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"special_tokens_map.json",
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"vocab.json",
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"merges.txt",
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"tokenizer.*"
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]
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)
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model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.bfloat16)
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model.to(device)
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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print(f"Modèle Orpheus chargé sur {device}")
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# Traiter le texte d'entrée
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def process_prompt(prompt, voice, tokenizer, device):
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prompt = f"{voice}: {prompt}"
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input_ids = tokenizer(prompt, return_tensors="pt").input_ids
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start_token = torch.tensor([[128259]], dtype=torch.int64) # Début humain
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end_tokens = torch.tensor([[128009, 128260]], dtype=torch.int64) # Fin du texte, Fin humain
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modified_input_ids = torch.cat([start_token, input_ids, end_tokens], dim=1) # SOH SOT Texte EOT EOH
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# Pas besoin de padding pour une seule entrée
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attention_mask = torch.ones_like(modified_input_ids)
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return modified_input_ids.to(device), attention_mask.to(device)
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# Analyser les tokens de sortie en audio
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def parse_output(generated_ids):
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token_to_find = 128257
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token_to_remove = 128258
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token_indices = (generated_ids == token_to_find).nonzero(as_tuple=True)
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if len(token_indices[1]) > 0:
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last_occurrence_idx = token_indices[1][-1].item()
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cropped_tensor = generated_ids[:, last_occurrence_idx+1:]
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else:
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cropped_tensor = generated_ids
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processed_rows = []
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for row in cropped_tensor:
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masked_row = row[row != token_to_remove]
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processed_rows.append(masked_row)
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code_lists = []
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for row in processed_rows:
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row_length = row.size(0)
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new_length = (row_length // 7) * 7
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trimmed_row = row[:new_length]
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trimmed_row = [t - 128266 for t in trimmed_row]
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code_lists.append(trimmed_row)
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return code_lists[0] # Retourner uniquement le premier pour un seul échantillon
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# Redistribuer les codes pour la génération audio
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def redistribute_codes(code_list, snac_model):
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device = next(snac_model.parameters()).device # Obtenir le périphérique du modèle SNAC
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layer_1 = []
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layer_2 = []
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layer_3 = []
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for i in range((len(code_list)+1)//7):
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layer_1.append(code_list[7*i])
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layer_2.append(code_list[7*i+1]-4096)
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layer_3.append(code_list[7*i+2]-(2*4096))
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layer_3.append(code_list[7*i+3]-(3*4096))
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layer_2.append(code_list[7*i+4]-(4*4096))
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layer_3.append(code_list[7*i+5]-(5*4096))
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layer_3.append(code_list[7*i+6]-(6*4096))
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# Déplacer les tenseurs vers le même périphérique que le modèle SNAC
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codes = [
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torch.tensor(layer_1, device=device).unsqueeze(0),
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torch.tensor(layer_2, device=device).unsqueeze(0),
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torch.tensor(layer_3, device=device).unsqueeze(0)
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]
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audio_hat = snac_model.decode(codes)
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return audio_hat.detach().squeeze().cpu().numpy() # Toujours retourner un tableau numpy CPU
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# Fonction principale de génération
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@spaces.GPU()
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def generate_speech(text, voice, temperature, top_p, repetition_penalty, max_new_tokens, progress=gr.Progress()):
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if not text.strip():
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return None
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try:
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progress(0.1, "Traitement du texte...")
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input_ids, attention_mask = process_prompt(text, voice, tokenizer, device)
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progress(0.3, "Génération des tokens de parole...")
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with torch.no_grad():
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generated_ids = model.generate(
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input_ids=input_ids,
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attention_mask=attention_mask,
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max_new_tokens=max_new_tokens,
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do_sample=True,
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temperature=temperature,
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top_p=top_p,
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repetition_penalty=repetition_penalty,
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num_return_sequences=1,
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eos_token_id=128258,
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)
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progress(0.6, "Traitement des tokens de parole...")
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code_list = parse_output(generated_ids)
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progress(0.8, "Conversion en audio...")
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audio_samples = redistribute_codes(code_list, snac_model)
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return (24000, audio_samples) # Retourner le taux d'échantillonnage et l'audio
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except Exception as e:
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print(f"Erreur lors de la génération de la parole: {e}")
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return None
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- Ajoutez des éléments paralinguistiques comme {", ".join(EMOTIVE_TAGS)} ou `euh` pour une parole plus humaine.
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- Les textes plus longs fonctionnent généralement mieux que les phrases très courtes
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- Augmenter `repetition_penalty` et `temperature` fait parler le modèle plus rapidement.
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""")
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with gr.Row():
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with gr.Column(scale=3):
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requirements.txt
CHANGED
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python-dotenv
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transformers
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torch
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-
spaces
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-
orpheus-cpp==0.0.3
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python-dotenv
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transformers
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torch
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spaces
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