Files changed (1) hide show
  1. inference.py +118 -117
inference.py CHANGED
@@ -1,117 +1,118 @@
1
- from pathlib import Path
2
-
3
- import hydra
4
- import torch
5
- from omegaconf import DictConfig
6
- from slider import Beatmap
7
-
8
- from osudiffusion import DiT_models
9
- from osuT5.inference import Preprocessor, Pipeline, Postprocessor, DiffisionPipeline
10
- from osuT5.tokenizer import Tokenizer
11
- from osuT5.utils import get_model
12
-
13
-
14
- def get_args_from_beatmap(args: DictConfig):
15
- if args.beatmap_path is None or args.beatmap_path == "":
16
- return
17
-
18
- beatmap_path = Path(args.beatmap_path)
19
-
20
- if not beatmap_path.is_file():
21
- raise FileNotFoundError(f"Beatmap file {beatmap_path} not found.")
22
-
23
- beatmap = Beatmap.from_path(beatmap_path)
24
- args.audio_path = beatmap_path.parent / beatmap.audio_filename
25
- args.output_path = beatmap_path.parent
26
- args.bpm = beatmap.bpm_max()
27
- args.offset = min(tp.offset.total_seconds() * 1000 for tp in beatmap.timing_points)
28
- args.slider_multiplier = beatmap.slider_multiplier
29
- args.title = beatmap.title
30
- args.artist = beatmap.artist
31
- args.beatmap_id = beatmap.beatmap_id if args.beatmap_id == -1 else args.beatmap_id
32
- args.diffusion.style_id = beatmap.beatmap_id if args.diffusion.style_id == -1 else args.diffusion.style_id
33
- args.difficulty = float(beatmap.stars()) if args.difficulty == -1 else args.difficulty
34
-
35
-
36
- def find_model(ckpt_path, args: DictConfig, device):
37
- assert Path(ckpt_path).exists(), f"Could not find DiT checkpoint at {ckpt_path}"
38
- checkpoint = torch.load(ckpt_path, map_location=lambda storage, loc: storage)
39
- if "ema" in checkpoint: # supports checkpoints from train.py
40
- checkpoint = checkpoint["ema"]
41
-
42
- model = DiT_models[args.diffusion.model](
43
- num_classes=args.diffusion.num_classes,
44
- context_size=19 - 3 + 128,
45
- ).to(device)
46
- model.load_state_dict(checkpoint)
47
- model.eval() # important!
48
- return model
49
-
50
-
51
- @hydra.main(config_path="configs", config_name="inference", version_base="1.1")
52
- def main(args: DictConfig):
53
- get_args_from_beatmap(args)
54
-
55
- torch.set_grad_enabled(False)
56
- device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
57
- ckpt_path = Path(args.model_path)
58
- model_state = torch.load(ckpt_path / "pytorch_model.bin", map_location=device)
59
- tokenizer_state = torch.load(ckpt_path / "custom_checkpoint_0.pkl")
60
-
61
- tokenizer = Tokenizer()
62
- tokenizer.load_state_dict(tokenizer_state)
63
-
64
- model = get_model(args, tokenizer)
65
- model.load_state_dict(model_state)
66
- model.eval()
67
- model.to(device)
68
-
69
- preprocessor = Preprocessor(args)
70
- audio = preprocessor.load(args.audio_path)
71
- sequences = preprocessor.segment(audio)
72
- total_duration_ms = len(audio) / 16000 * 1000
73
- args.total_duration_ms = total_duration_ms
74
-
75
-
76
-
77
-
78
-
79
- generated_maps = []
80
- generated_positions = []
81
- diffs = []
82
-
83
-
84
- if args.full_set:
85
- for i in range(args.set_difficulties):
86
- diffs.append(3 + i * (7 - 3) / (args.set_difficulties - 1))
87
-
88
- print(diffs)
89
- for diff in diffs:
90
- print(f"Generating difficulty {diff}")
91
- args.difficulty = diff
92
- pipeline = Pipeline(args, tokenizer)
93
- events = pipeline.generate(model, sequences)
94
- generated_maps.append(events)
95
- else:
96
- pipeline = Pipeline(args, tokenizer)
97
- events = pipeline.generate(model, sequences)
98
- generated_maps.append(events)
99
-
100
-
101
-
102
- if args.generate_positions:
103
- model = find_model(args.diff_ckpt, args, device)
104
- refine_model = find_model(args.diff_refine_ckpt, args, device) if len(args.diff_refine_ckpt) > 0 else None
105
- diffusion_pipeline = DiffisionPipeline(args.diffusion)
106
- for events in generated_maps:
107
- events = diffusion_pipeline.generate(model, events, refine_model)
108
- generated_positions.append(events)
109
- else:
110
- generated_positions = generated_maps
111
-
112
- postprocessor = Postprocessor(args)
113
- postprocessor.generate(generated_positions)
114
-
115
-
116
- if __name__ == "__main__":
117
- main()
 
 
1
+ from pathlib import Path
2
+ import hydra
3
+ import torch
4
+ from omegaconf import DictConfig
5
+ from slider import Beatmap
6
+ from argparse import Namespace
7
+ from torch.serialization import add_safe_globals
8
+
9
+ # Trust custom objects in your checkpoint
10
+ add_safe_globals([Namespace])
11
+
12
+ from osudiffusion import DiT_models
13
+ from osuT5.inference import Preprocessor, Pipeline, Postprocessor, DiffisionPipeline
14
+ from osuT5.tokenizer import Tokenizer
15
+ from osuT5.utils import get_model
16
+
17
+
18
+ def get_args_from_beatmap(args: DictConfig):
19
+ if args.beatmap_path is None or args.beatmap_path == "":
20
+ return
21
+
22
+ beatmap_path = Path(args.beatmap_path)
23
+
24
+ if not beatmap_path.is_file():
25
+ raise FileNotFoundError(f"Beatmap file {beatmap_path} not found.")
26
+
27
+ beatmap = Beatmap.from_path(beatmap_path)
28
+ args.audio_path = beatmap_path.parent / beatmap.audio_filename
29
+ args.output_path = beatmap_path.parent
30
+ args.bpm = beatmap.bpm_max()
31
+ args.offset = min(tp.offset.total_seconds() * 1000 for tp in beatmap.timing_points)
32
+ args.slider_multiplier = beatmap.slider_multiplier
33
+ args.title = beatmap.title
34
+ args.artist = beatmap.artist
35
+ args.beatmap_id = beatmap.beatmap_id if args.beatmap_id == -1 else args.beatmap_id
36
+ args.diffusion.style_id = beatmap.beatmap_id if args.diffusion.style_id == -1 else args.diffusion.style_id
37
+ args.difficulty = float(beatmap.stars()) if args.difficulty == -1 else args.difficulty
38
+
39
+
40
+ def find_model(ckpt_path, args: DictConfig, device):
41
+ assert Path(ckpt_path).exists(), f"Could not find DiT checkpoint at {ckpt_path}"
42
+
43
+ # Force full unpickling because we trust the checkpoint
44
+ checkpoint = torch.load(ckpt_path, weights_only=False, map_location=lambda storage, loc: storage)
45
+ if "ema" in checkpoint: # supports checkpoints from train.py
46
+ checkpoint = checkpoint["ema"]
47
+
48
+ model = DiT_models[args.diffusion.model](
49
+ num_classes=args.diffusion.num_classes,
50
+ context_size=19 - 3 + 128,
51
+ ).to(device)
52
+ model.load_state_dict(checkpoint)
53
+ model.eval() # important!
54
+ return model
55
+
56
+
57
+ @hydra.main(config_path="configs", config_name="inference", version_base="1.1")
58
+ def main(args: DictConfig):
59
+ get_args_from_beatmap(args)
60
+
61
+ torch.set_grad_enabled(False)
62
+ device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
63
+ ckpt_path = Path(args.model_path)
64
+
65
+ # Trust the tokenizer checkpoint
66
+ model_state = torch.load(ckpt_path / "pytorch_model.bin", map_location=device)
67
+ tokenizer_state = torch.load(ckpt_path / "custom_checkpoint_0.pkl", weights_only=False)
68
+
69
+ tokenizer = Tokenizer()
70
+ tokenizer.load_state_dict(tokenizer_state)
71
+
72
+ model = get_model(args, tokenizer)
73
+ model.load_state_dict(model_state)
74
+ model.eval()
75
+ model.to(device)
76
+
77
+ preprocessor = Preprocessor(args)
78
+ audio = preprocessor.load(args.audio_path)
79
+ sequences = preprocessor.segment(audio)
80
+ total_duration_ms = len(audio) / 16000 * 1000
81
+ args.total_duration_ms = total_duration_ms
82
+
83
+ generated_maps = []
84
+ generated_positions = []
85
+ diffs = []
86
+
87
+ if args.full_set:
88
+ for i in range(args.set_difficulties):
89
+ diffs.append(3 + i * (7 - 3) / (args.set_difficulties - 1))
90
+
91
+ print(diffs)
92
+ for diff in diffs:
93
+ print(f"Generating difficulty {diff}")
94
+ args.difficulty = diff
95
+ pipeline = Pipeline(args, tokenizer)
96
+ events = pipeline.generate(model, sequences)
97
+ generated_maps.append(events)
98
+ else:
99
+ pipeline = Pipeline(args, tokenizer)
100
+ events = pipeline.generate(model, sequences)
101
+ generated_maps.append(events)
102
+
103
+ if args.generate_positions:
104
+ model = find_model(args.diff_ckpt, args, device)
105
+ refine_model = find_model(args.diff_refine_ckpt, args, device) if len(args.diff_refine_ckpt) > 0 else None
106
+ diffusion_pipeline = DiffisionPipeline(args.diffusion)
107
+ for events in generated_maps:
108
+ events = diffusion_pipeline.generate(model, events, refine_model)
109
+ generated_positions.append(events)
110
+ else:
111
+ generated_positions = generated_maps
112
+
113
+ postprocessor = Postprocessor(args)
114
+ postprocessor.generate(generated_positions)
115
+
116
+
117
+ if __name__ == "__main__":
118
+ main()