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Bjornulf_custom_nodes/text_to_speech.py
justumen 1d3366ca7b 0.15
2024-09-09 12:33:34 +02:00

107 lines
4.2 KiB
Python

import requests
import numpy as np
import io
import torch
from pydub import AudioSegment
import urllib.parse
import os
class TextToSpeech:
@classmethod
def INPUT_TYPES(cls):
# speakers_dir = "speakers"
speakers_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "speakers")
speaker_options = []
for root, dirs, files in os.walk(speakers_dir):
for file in files:
if file.endswith(".wav"):
rel_path = os.path.relpath(os.path.join(root, file), speakers_dir)
speaker_options.append(rel_path)
# If no .wav files are found, add a default option
if not speaker_options:
speaker_options.append("No WAV files found")
return {
"required": {
"text": ("STRING", {"multiline": True}),
"language": (["ar", "cs", "de", "en", "es", "fr", "hi", "hu", "it", "ja", "ko", "nl", "pl", "pt", "ru", "tr", "zh-cn"], {
"default": "en",
"display": "dropdown",
"labels": ["Arabic", "Czech", "German", "English", "Spanish", "French", "Hindi", "Hungarian", "Italian", "Japanese", "Korean", "Dutch", "Polish", "Portuguese", "Russian", "Turkish", "Chinese"]
}),
"speaker_wav": (speaker_options, {
"default": speaker_options[0],
"display": "dropdown"
}),
}
}
RETURN_TYPES = ("AUDIO",)
FUNCTION = "generate_audio"
CATEGORY = "audio"
def generate_audio(self, text, language, speaker_wav):
# Check if a valid speaker_wav was selected
if speaker_wav == "No WAV files found":
print("Error: No WAV files available for text-to-speech.")
return ({"waveform": torch.zeros(1, 1, 1, dtype=torch.float32), "sample_rate": 22050},)
encoded_text = urllib.parse.quote(text) # Encode spaces and special characters
url = f"http://localhost:8020/tts_stream?language={language}&speaker_wav={speaker_wav}&text={encoded_text}"
try:
response = requests.get(url, stream=True)
response.raise_for_status()
audio_data = io.BytesIO()
for chunk in response.iter_content(chunk_size=8192):
audio_data.write(chunk)
audio_data.seek(0)
return self.process_audio_data(audio_data)
except requests.RequestException as e:
print(f"Error generating audio: {e}")
return ({"waveform": torch.zeros(1, 1, 1, dtype=torch.float32), "sample_rate": 22050},)
except Exception as e:
print(f"Unexpected error: {e}")
return ({"waveform": torch.zeros(1, 1, 1, dtype=torch.float32), "sample_rate": 22050},)
def process_audio_data(self, audio_data):
try:
# Load MP3 data
audio = AudioSegment.from_mp3(audio_data)
# Get audio properties
sample_rate = audio.frame_rate
num_channels = audio.channels
# Convert to numpy array
audio_np = np.array(audio.get_array_of_samples()).astype(np.float32)
# Normalize to [-1, 1]
audio_np /= np.iinfo(np.int16).max
print(f"Raw audio data shape: {audio_np.shape}")
# Reshape to (num_channels, num_samples)
if num_channels == 1:
audio_np = audio_np.reshape(1, -1)
else:
audio_np = audio_np.reshape(-1, num_channels).T
# Convert to torch tensor
audio_tensor = torch.from_numpy(audio_np)
print(f"Final audio tensor shape: {audio_tensor.shape}")
print(f"Audio data type: {audio_tensor.dtype}")
print(f"Audio data min: {audio_tensor.min()}, max: {audio_tensor.max()}")
# Wrap the tensor in a list to match the expected format
return ({"waveform": audio_tensor.unsqueeze(0), "sample_rate": sample_rate},)
except Exception as e:
print(f"Error processing audio data: {e}")
raise