mirror of
https://github.com/mudler/LocalAI.git
synced 2026-09-12 14:22:11 -04:00
Ettore Di Giacinto
21df4a120a
Add a Darwin-only MLX-Video backend for LTX-2 and converted Wan checkpoints, expose it through the existing video API, and wire packaging, discovery, tests, docs, and an example. Assisted-by: Codex:gpt-5 Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
87 lines
3.0 KiB
Python
87 lines
3.0 KiB
Python
# SPDX-License-Identifier: MIT
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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from mlx_video_utils import ( # noqa: E402
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build_generation_command,
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classify_model,
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parse_options,
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)
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class MLXVideoUtilsTest(unittest.TestCase):
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def test_parses_model_options_and_preserves_colons(self):
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self.assertEqual(
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parse_options(["pipeline:dev", "tiling:aggressive", "flag"]),
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{"pipeline": "dev", "tiling": "aggressive", "flag": "true"},
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)
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def test_classifies_supported_model_families(self):
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self.assertEqual(classify_model("Lightricks/LTX-2"), "ltx2")
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self.assertEqual(classify_model("/models/Wan2.2-TI2V-5B-mlx"), "wan")
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self.assertIsNone(classify_model("some-org/unrelated-model"))
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def test_maps_ltx_request_without_invoking_a_shell(self):
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command = build_generation_command(
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family="ltx2",
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model="prince-canuma/LTX-2.3-distilled-mlx",
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prompt="waves; touch /tmp/nope",
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destination="/tmp/out.mp4",
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negative_prompt="blurry",
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start_image="/tmp/start.png",
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end_image="/tmp/end.png",
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width=768,
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height=512,
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num_frames=49,
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fps=24,
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seed=7,
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steps=12,
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cfg_scale=3.5,
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params={"pipeline": "dev", "tiling": "aggressive"},
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)
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self.assertEqual(command[:3], [sys.executable, "-m", "mlx_video.models.ltx_2.generate"])
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self.assertIn("waves; touch /tmp/nope", command)
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self.assertEqual(command[command.index("--model-repo") + 1], "prince-canuma/LTX-2.3-distilled-mlx")
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self.assertEqual(command[command.index("--pipeline") + 1], "dev")
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self.assertEqual(command[command.index("--cfg-scale") + 1], "3.5")
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self.assertIn("--end-image", command)
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def test_maps_wan_request_and_rejects_unsupported_audio(self):
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command = build_generation_command(
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family="wan",
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model="/models/wan22-mlx",
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prompt="a fox",
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destination="/tmp/out.mp4",
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width=1280,
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height=704,
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num_frames=81,
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fps=16,
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seed=9,
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steps=20,
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cfg_scale=4.0,
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params={"scheduler": "unipc", "shift": "5.0"},
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)
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self.assertEqual(command[:3], [sys.executable, "-m", "mlx_video.models.wan_2.generate"])
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self.assertEqual(command[command.index("--model-dir") + 1], "/models/wan22-mlx")
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self.assertEqual(command[command.index("--guide-scale") + 1], "4.0")
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self.assertNotIn("--fps", command)
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with self.assertRaisesRegex(ValueError, "audio conditioning"):
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build_generation_command(
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family="wan",
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model="/models/wan22-mlx",
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prompt="a fox",
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destination="/tmp/out.mp4",
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audio="/tmp/input.wav",
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)
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if __name__ == "__main__":
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unittest.main()
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