| """Text to video with our LTX-2.5 MLX port (distilled, two-stage, bf16 like Lightricks; dynamic 8-bit weights). |
| |
| .venv/bin/python generate.py "prompt" -o out.mp4 [--seed 42] [--width 1024 --height 576 --frames 121 --fps 24] |
| .venv/bin/python generate.py "prompt" -o out.mp4 --image start.png [--image-strength 1.0] # image to video |
| """ |
| import argparse |
| import sys |
| import time |
| from pathlib import Path |
|
|
| sys.path.insert(0, str(Path(__file__).resolve().parent)) |
| from ltx25.pipeline import generate |
|
|
| ap = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter) |
| ap.add_argument("prompt") |
| ap.add_argument("-o", "--out", required=True) |
| ap.add_argument("--seed", type=int, default=42) |
| ap.add_argument("--width", type=int, default=1024) |
| ap.add_argument("--height", type=int, default=576) |
| ap.add_argument("--frames", type=int, default=121) |
| ap.add_argument("--fps", type=float, default=24.0) |
| ap.add_argument("--models", default=str(Path(__file__).resolve().parent / "models/ltx-2.5-mlx-8bit"), |
| help="our dynamic 8-bit pack (default) or a folder with Lightricks' 16-bit release") |
| ap.add_argument("--image", help="start image (PNG / JPEG): the clip begins from it (Lightricks' --image PATH 0 STRENGTH)") |
| ap.add_argument("--image-strength", type=float, default=1.0) |
| ap.add_argument("--image-crf", type=int, default=None, help="H.264 CRF the image is re-compressed at (default: the model's)") |
| a = ap.parse_args() |
| t0 = time.time() |
| generate(a.prompt, a.out, seed=a.seed, width=a.width, height=a.height, num_frames=a.frames, fps=a.fps, |
| models=a.models, image=a.image, image_strength=a.image_strength, image_crf=a.image_crf) |
| print(f"total {time.time() - t0:.0f} s") |
|
|
