File size: 1,193 Bytes
95a9a89 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | import os
import torch
import demucs.separate
import sys
from pathlib import Path
def separate_audio_gpu(input_file, output_dir):
"""
Separates audio into 4 stems using Demucs v4 (HTDemucs) on GPU.
"""
print(f"\n[STAGE 2] Starting Stem Separation (GPU)...")
print(f"Target File: {input_file}")
# Ensure output directory exists
os.makedirs(output_dir, exist_ok=True)
# Device check
device = "cuda" if torch.cuda.is_available() else "cpu"
print(f"Using Device: {device}")
# Demucs arguments
# htdemucs is the latest v4 model
args = [
"-d", device,
"--out", output_dir,
"-n", "htdemucs",
str(input_file)
]
try:
demucs.separate.main(args)
print(f"[SUCCESS] Stems saved to: {output_dir}")
return True
except Exception as e:
print(f"[ERROR] Separation failed: {e}")
return False
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python separate_gpu.py <input_path>")
else:
input_path = sys.argv[1]
out_path = os.path.join(os.getcwd(), "Outputs", "Stems")
separate_audio_gpu(input_path, out_path)
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