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script.py
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script.py
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"""
Bark TTS extension for https://github.com/oobabooga/text-generation-webui/
All credit for the amazing tts model goes to https://github.com/suno-ai/bark
"""
import hashlib
from http.client import IncompleteRead
import os
import time
import urllib.request
from pathlib import Path
from dotenv import load_dotenv
# Read .env file
load_dotenv()
# Should change this environment variable before import bark
model_path = Path(os.environ.get('MODEL_PATH', 'extensions/bark_tts/models/'))
os.environ['XDG_CACHE_HOME'] = model_path.resolve().as_posix()
from modules import chat, shared
import nltk
import gradio as gr
import numpy as np
from bark import SAMPLE_RATE, preload_models
from bark.generation import ALLOWED_PROMPTS, generate_text_semantic
from bark.api import semantic_to_waveform
from modules import shared
from scipy.io.wavfile import write as write_wav
nltk.download('punkt')
params = {
'activate': True,
'autoplay': False,
'forced_speaker_enabled': False,
'forced_speaker': 'Man',
'show_text': False,
'modifiers': [],
'use_small_models': os.environ.get("USE_SMALL_MODELS", 'false').lower() == 'true',
'use_cpu': os.environ.get("USE_CPU", 'false').lower() == 'true',
'force_manual_download': False,
'voice': 'v2/en_speaker_3',
'sample_rate': SAMPLE_RATE,
'temperature': 0.7
}
input_hijack = {
'state': False,
'value': ["", ""]
}
streaming_state = shared.args.no_stream
forced_modes = ["Man", "Woman", "Narrator"]
modifier_options = ["[laughter]","[laughs]","[sighs]","[music]","[gasps]","[clears throat]"]
voice_presets = sorted(list(ALLOWED_PROMPTS))
def manual_model_preload():
for model in ["text","coarse","fine","text_2","coarse_2","fine_2"]:
remote_url=f"https://dl.suno-models.io/bark/models/v0/{model}.pt"
remote_md5=hashlib.md5(remote_url.encode()).hexdigest()
out_path = f"{os.path.expanduser('~/.cache/suno/bark_v0')}/{remote_md5}.pt"
if not Path(out_path).exists():
print(f"\t+ Downloading {model} model to {out_path}...")
# we also have to do some user agent tomfoolery to get the download to work
req = urllib.request.Request(remote_url, headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0'})
with urllib.request.urlopen(req) as response, open(out_path, 'wb') as out_file:
try:
data = response.read()
except IncompleteRead as e:
data = e.partial
out_file.write(data)
else:
print(f"\t+ {model} model already exists, skipping...")
preload_models(
text_use_gpu= not params['use_cpu'],
text_use_small= params['use_small_models'],
coarse_use_gpu= not params['use_cpu'],
coarse_use_small=params['use_small_models'],
fine_use_gpu= not params['use_cpu'],
fine_use_small=params['use_small_models'],
codec_use_gpu= not params['use_cpu']
)
# Remove autoplay from the last reply
def history_modifier(history):
if len(history['internal']) > 0:
history['visible'][-1] = [
history['visible'][-1][0],
history['visible'][-1][1].replace(
'controls autoplay>', 'controls>')
]
return history
def input_modifier(string):
if not params['activate']:
shared.processing_message = "*Is typing...*"
return string
shared.processing_message = "*Is recording a voice message...*"
shared.args.no_stream = True
return string
def output_modifier(string):
string = string.replace("'", "'")
if not params['activate']:
return string
ttstext = string
if params['modifiers']:
ttstext = f"{' '.join(params['modifiers'])}: {ttstext}"
if params['forced_speaker_enabled']:
ttstext = f"{params['forced_speaker'].upper()}: {ttstext}"
sentences = nltk.sent_tokenize(ttstext)
silence = np.zeros(int(0.25 * params['sample_rate'])) # quarter second of silence
pieces = []
for sentence in sentences:
semantic_tokens = generate_text_semantic(
sentence,
history_prompt=params['voice'],
temp=params['temperature'],
min_eos_p=0.05, # this controls how likely the generation is to end
)
audio_array = semantic_to_waveform(semantic_tokens, history_prompt=params['voice'],)
pieces += [audio_array, silence.copy()]
audio = np.array(np.concatenate(pieces), dtype="float32")
time_label = int(time.time())
write_wav(f"extensions/bark_tts/generated/{time_label}.wav", params['sample_rate'], audio)
autoplay = 'autoplay' if params['autoplay'] else ''
if params['show_text']:
string = f'<audio src="file/extensions/bark_tts/generated/{time_label}.wav" controls {autoplay}></audio><br>{ttstext}'
else:
string = f'<audio src="file/extensions/bark_tts/generated/{time_label}.wav" controls {autoplay}></audio>'
shared.args.no_stream = streaming_state
return string
def setup():
# tell the user what's going on
print()
print("== Loading Bark TTS extension ==")
print("+ This may take a while on first run don't worry!")
print("+ Creating directories (if they don't exist)...")
if not Path("extensions/bark_tts/generated").exists():
Path("extensions/bark_tts/generated").mkdir(parents=True)
if not Path(model_path).exists():
Path(model_path).mkdir(parents=True)
print("+ Done!")
# load models into extension directory so we don't clutter the pc
print("+ Loading model...")
if not params['force_manual_download']:
try:
preload_models(
text_use_gpu= not params['use_cpu'],
text_use_small= params['use_small_models'],
coarse_use_gpu= not params['use_cpu'],
coarse_use_small=params['use_small_models'],
fine_use_gpu= not params['use_cpu'],
fine_use_small=params['use_small_models'],
codec_use_gpu= not params['use_cpu']
)
except ValueError as e:
# for some reason the download fails sometimes, so we just do it manually
# solution adapted from https://github.com/suno-ai/bark/issues/46
print("\t+ Automatic download failed, trying manual download...")
manual_model_preload()
else:
print("\t+ Forcing manual download...")
manual_model_preload()
print("+ Done!")
print("== Bark TTS extension loaded ==\n\n")
def ui():
with gr.Accordion("Bark TTS"):
with gr.Row():
activate = gr.Checkbox(value=params['activate'], label='Activate TTS')
autoplay = gr.Checkbox(value=params['autoplay'], label='Autoplay')
show_text = gr.Checkbox(value=params['show_text'], label='Show text')
forced_speaker_enabled = gr.Checkbox(value=params['forced_speaker_enabled'], label='Forced speaker enabled')
with gr.Row():
forced_speaker = gr.Dropdown(forced_modes, label='Forced speaker', value=params['forced_speaker'])
modifiers = gr.Dropdown(modifier_options, label='Modifiers', value=params['modifiers'], multiselect=True)
voice = gr.Dropdown(voice_presets, label='Voice Preset', value=params['voice'])
with gr.Row():
sample_rate = gr.Slider(minimum=18000, maximum=30000, value=params['sample_rate'], label='Sample Rate')
temperature = gr.Slider(minimum=0.1, maximum=1.0, value=params['temperature'], label='Temperature')
activate.change(lambda x: params.update({'activate': x}), activate, None)
autoplay.change(lambda x: params.update({'autoplay': x}), autoplay, None)
show_text.change(lambda x: params.update({'show_text': x}), show_text, None)
forced_speaker_enabled.change(lambda x: params.update({'forced_speaker_enabled': x}), forced_speaker_enabled, None)
forced_speaker.change(lambda x: params.update({'forced_speaker': x}), forced_speaker, None)
modifiers.change(lambda x: params.update({'modifiers': x}), modifiers, None)
voice.change(lambda x: params.update({'voice': x}), voice, None)
sample_rate.change(lambda x: params.update({'sample_rate': x}), sample_rate, None)
temperature.change(lambda x: params.update({'temperature': x}), temperature, None)