dagloop5 commited on
Commit
853c4b9
·
verified ·
1 Parent(s): 40958b2

Delete app(workinganddefaultcheckpoint).py

Browse files
Files changed (1) hide show
  1. app(workinganddefaultcheckpoint).py +0 -989
app(workinganddefaultcheckpoint).py DELETED
@@ -1,989 +0,0 @@
1
- import os
2
- import subprocess
3
- import sys
4
-
5
- # Disable torch.compile / dynamo before any torch import
6
- os.environ["TORCH_COMPILE_DISABLE"] = "1"
7
- os.environ["TORCHDYNAMO_DISABLE"] = "1"
8
-
9
- # Install xformers for memory-efficient attention
10
- subprocess.run([sys.executable, "-m", "pip", "install", "xformers==0.0.32.post2", "--no-build-isolation"], check=False)
11
-
12
- # Clone LTX-2 repo and install packages
13
- LTX_REPO_URL = "https://github.com/Lightricks/LTX-2.git"
14
- LTX_REPO_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), "LTX-2")
15
-
16
- LTX_COMMIT = "ae855f8538843825f9015a419cf4ba5edaf5eec2" # known working commit with decode_video
17
-
18
- if not os.path.exists(LTX_REPO_DIR):
19
- print(f"Cloning {LTX_REPO_URL}...")
20
- subprocess.run(["git", "clone", LTX_REPO_URL, LTX_REPO_DIR], check=True)
21
- subprocess.run(["git", "checkout", LTX_COMMIT], cwd=LTX_REPO_DIR, check=True)
22
-
23
- print("Installing ltx-core and ltx-pipelines from cloned repo...")
24
- subprocess.run(
25
- [sys.executable, "-m", "pip", "install", "--force-reinstall", "--no-deps", "-e",
26
- os.path.join(LTX_REPO_DIR, "packages", "ltx-core"),
27
- "-e", os.path.join(LTX_REPO_DIR, "packages", "ltx-pipelines")],
28
- check=True,
29
- )
30
-
31
- sys.path.insert(0, os.path.join(LTX_REPO_DIR, "packages", "ltx-pipelines", "src"))
32
- sys.path.insert(0, os.path.join(LTX_REPO_DIR, "packages", "ltx-core", "src"))
33
-
34
- import logging
35
- import random
36
- import tempfile
37
- from pathlib import Path
38
- import gc
39
- import hashlib
40
-
41
- import torch
42
- torch._dynamo.config.suppress_errors = True
43
- torch._dynamo.config.disable = True
44
-
45
- import spaces
46
- import gradio as gr
47
- import numpy as np
48
- from huggingface_hub import hf_hub_download, snapshot_download
49
- from safetensors.torch import load_file, save_file
50
- from safetensors import safe_open
51
- import json
52
- import requests
53
-
54
- from ltx_core.components.diffusion_steps import EulerDiffusionStep
55
- from ltx_core.components.noisers import GaussianNoiser
56
- from ltx_core.model.audio_vae import encode_audio as vae_encode_audio
57
- from ltx_core.model.upsampler import upsample_video
58
- from ltx_core.model.video_vae import TilingConfig, get_video_chunks_number, decode_video as vae_decode_video
59
- from ltx_core.quantization import QuantizationPolicy
60
- from ltx_core.types import Audio, AudioLatentShape, VideoPixelShape
61
- from ltx_pipelines.distilled import DistilledPipeline
62
- from ltx_pipelines.utils import euler_denoising_loop
63
- from ltx_pipelines.utils.args import ImageConditioningInput
64
- from ltx_pipelines.utils.constants import DISTILLED_SIGMA_VALUES, STAGE_2_DISTILLED_SIGMA_VALUES
65
- from ltx_pipelines.utils.helpers import (
66
- cleanup_memory,
67
- combined_image_conditionings,
68
- denoise_video_only,
69
- encode_prompts,
70
- simple_denoising_func,
71
- )
72
- from ltx_pipelines.utils.media_io import decode_audio_from_file, encode_video
73
- from ltx_core.loader.primitives import LoraPathStrengthAndSDOps
74
- from ltx_core.loader.sd_ops import LTXV_LORA_COMFY_RENAMING_MAP
75
-
76
- # Force-patch xformers attention into the LTX attention module.
77
- from ltx_core.model.transformer import attention as _attn_mod
78
- print(f"[ATTN] Before patch: memory_efficient_attention={_attn_mod.memory_efficient_attention}")
79
- try:
80
- from xformers.ops import memory_efficient_attention as _mea
81
- _attn_mod.memory_efficient_attention = _mea
82
- print(f"[ATTN] After patch: memory_efficient_attention={_attn_mod.memory_efficient_attention}")
83
- except Exception as e:
84
- print(f"[ATTN] xformers patch FAILED: {type(e).__name__}: {e}")
85
-
86
- logging.getLogger().setLevel(logging.INFO)
87
-
88
- MAX_SEED = np.iinfo(np.int32).max
89
- DEFAULT_PROMPT = (
90
- "An astronaut hatches from a fragile egg on the surface of the Moon, "
91
- "the shell cracking and peeling apart in gentle low-gravity motion. "
92
- "Fine lunar dust lifts and drifts outward with each movement, floating "
93
- "in slow arcs before settling back onto the ground."
94
- )
95
- DEFAULT_FRAME_RATE = 24.0
96
-
97
- # Resolution presets: (width, height)
98
- RESOLUTIONS = {
99
- "high": {"16:9": (1536, 1024), "9:16": (1024, 1536), "1:1": (1024, 1024)},
100
- "low": {"16:9": (768, 512), "9:16": (512, 768), "1:1": (768, 768)},
101
- }
102
-
103
-
104
- class LTX23DistilledA2VPipeline(DistilledPipeline):
105
- """DistilledPipeline with optional audio conditioning."""
106
-
107
- def __call__(
108
- self,
109
- prompt: str,
110
- seed: int,
111
- height: int,
112
- width: int,
113
- num_frames: int,
114
- frame_rate: float,
115
- images: list[ImageConditioningInput],
116
- audio_path: str | None = None,
117
- tiling_config: TilingConfig | None = None,
118
- enhance_prompt: bool = False,
119
- ):
120
- # Standard path when no audio input is provided.
121
- print(prompt)
122
- if audio_path is None:
123
- return super().__call__(
124
- prompt=prompt,
125
- seed=seed,
126
- height=height,
127
- width=width,
128
- num_frames=num_frames,
129
- frame_rate=frame_rate,
130
- images=images,
131
- tiling_config=tiling_config,
132
- enhance_prompt=enhance_prompt,
133
- )
134
-
135
- generator = torch.Generator(device=self.device).manual_seed(seed)
136
- noiser = GaussianNoiser(generator=generator)
137
- stepper = EulerDiffusionStep()
138
- dtype = torch.bfloat16
139
-
140
- (ctx_p,) = encode_prompts(
141
- [prompt],
142
- self.model_ledger,
143
- enhance_first_prompt=enhance_prompt,
144
- enhance_prompt_image=images[0].path if len(images) > 0 else None,
145
- )
146
- video_context, audio_context = ctx_p.video_encoding, ctx_p.audio_encoding
147
-
148
- video_duration = num_frames / frame_rate
149
- decoded_audio = decode_audio_from_file(audio_path, self.device, 0.0, video_duration)
150
- if decoded_audio is None:
151
- raise ValueError(f"Could not extract audio stream from {audio_path}")
152
-
153
- encoded_audio_latent = vae_encode_audio(decoded_audio, self.model_ledger.audio_encoder())
154
- audio_shape = AudioLatentShape.from_duration(batch=1, duration=video_duration, channels=8, mel_bins=16)
155
- expected_frames = audio_shape.frames
156
- actual_frames = encoded_audio_latent.shape[2]
157
-
158
- if actual_frames > expected_frames:
159
- encoded_audio_latent = encoded_audio_latent[:, :, :expected_frames, :]
160
- elif actual_frames < expected_frames:
161
- pad = torch.zeros(
162
- encoded_audio_latent.shape[0],
163
- encoded_audio_latent.shape[1],
164
- expected_frames - actual_frames,
165
- encoded_audio_latent.shape[3],
166
- device=encoded_audio_latent.device,
167
- dtype=encoded_audio_latent.dtype,
168
- )
169
- encoded_audio_latent = torch.cat([encoded_audio_latent, pad], dim=2)
170
-
171
- video_encoder = self.model_ledger.video_encoder()
172
- transformer = self.model_ledger.transformer()
173
- stage_1_sigmas = torch.tensor(DISTILLED_SIGMA_VALUES, device=self.device)
174
-
175
- def denoising_loop(sigmas, video_state, audio_state, stepper):
176
- return euler_denoising_loop(
177
- sigmas=sigmas,
178
- video_state=video_state,
179
- audio_state=audio_state,
180
- stepper=stepper,
181
- denoise_fn=simple_denoising_func(
182
- video_context=video_context,
183
- audio_context=audio_context,
184
- transformer=transformer,
185
- ),
186
- )
187
-
188
- stage_1_output_shape = VideoPixelShape(
189
- batch=1,
190
- frames=num_frames,
191
- width=width // 2,
192
- height=height // 2,
193
- fps=frame_rate,
194
- )
195
- stage_1_conditionings = combined_image_conditionings(
196
- images=images,
197
- height=stage_1_output_shape.height,
198
- width=stage_1_output_shape.width,
199
- video_encoder=video_encoder,
200
- dtype=dtype,
201
- device=self.device,
202
- )
203
- video_state = denoise_video_only(
204
- output_shape=stage_1_output_shape,
205
- conditionings=stage_1_conditionings,
206
- noiser=noiser,
207
- sigmas=stage_1_sigmas,
208
- stepper=stepper,
209
- denoising_loop_fn=denoising_loop,
210
- components=self.pipeline_components,
211
- dtype=dtype,
212
- device=self.device,
213
- initial_audio_latent=encoded_audio_latent,
214
- )
215
-
216
- torch.cuda.synchronize()
217
- cleanup_memory()
218
-
219
- upscaled_video_latent = upsample_video(
220
- latent=video_state.latent[:1],
221
- video_encoder=video_encoder,
222
- upsampler=self.model_ledger.spatial_upsampler(),
223
- )
224
- stage_2_sigmas = torch.tensor(STAGE_2_DISTILLED_SIGMA_VALUES, device=self.device)
225
- stage_2_output_shape = VideoPixelShape(batch=1, frames=num_frames, width=width, height=height, fps=frame_rate)
226
- stage_2_conditionings = combined_image_conditionings(
227
- images=images,
228
- height=stage_2_output_shape.height,
229
- width=stage_2_output_shape.width,
230
- video_encoder=video_encoder,
231
- dtype=dtype,
232
- device=self.device,
233
- )
234
- video_state = denoise_video_only(
235
- output_shape=stage_2_output_shape,
236
- conditionings=stage_2_conditionings,
237
- noiser=noiser,
238
- sigmas=stage_2_sigmas,
239
- stepper=stepper,
240
- denoising_loop_fn=denoising_loop,
241
- components=self.pipeline_components,
242
- dtype=dtype,
243
- device=self.device,
244
- noise_scale=stage_2_sigmas[0],
245
- initial_video_latent=upscaled_video_latent,
246
- initial_audio_latent=encoded_audio_latent,
247
- )
248
-
249
- torch.cuda.synchronize()
250
- del transformer
251
- del video_encoder
252
- cleanup_memory()
253
-
254
- decoded_video = vae_decode_video(
255
- video_state.latent,
256
- self.model_ledger.video_decoder(),
257
- tiling_config,
258
- generator,
259
- )
260
- original_audio = Audio(
261
- waveform=decoded_audio.waveform.squeeze(0),
262
- sampling_rate=decoded_audio.sampling_rate,
263
- )
264
- return decoded_video, original_audio
265
-
266
-
267
- # Model repos
268
- LTX_MODEL_REPO = "Lightricks/LTX-2.3"
269
- GEMMA_REPO ="Lightricks/gemma-3-12b-it-qat-q4_0-unquantized"
270
- GEMMA_ABLITERATED_REPO = "Sikaworld1990/gemma-3-12b-it-abliterated-sikaworld-high-fidelity-edition-Ltx-2"
271
- GEMMA_ABLITERATED_FILE = "gemma-3-12b-it-abliterated-sikaworld-high-fidelity-edition.safetensors"
272
-
273
- # Download model checkpoints
274
- print("=" * 80)
275
- print("Downloading LTX-2.3 distilled model + Gemma...")
276
- print("=" * 80)
277
-
278
- # LoRA cache directory and currently-applied key
279
- LORA_CACHE_DIR = Path("lora_cache")
280
- LORA_CACHE_DIR.mkdir(exist_ok=True)
281
- current_lora_key: str | None = None
282
-
283
- PENDING_LORA_KEY: str | None = None
284
- PENDING_LORA_STATE: dict[str, torch.Tensor] | None = None
285
- PENDING_LORA_STATUS: str = "No LoRA state prepared yet."
286
-
287
- weights_dir = Path("weights")
288
- weights_dir.mkdir(exist_ok=True)
289
- checkpoint_path = hf_hub_download(
290
- repo_id=LTX_MODEL_REPO,
291
- filename="ltx-2.3-22b-distilled-1.1.safetensors",
292
- local_dir=str(weights_dir),
293
- local_dir_use_symlinks=False,
294
- )
295
-
296
- print("[Gemma] Setting up abliterated Gemma text encoder...")
297
- MERGED_WEIGHTS = "/tmp/abliterated_gemma_merged.safetensors"
298
- gemma_root = "/tmp/abliterated_gemma"
299
- os.makedirs(gemma_root, exist_ok=True)
300
-
301
- gemma_official_dir = snapshot_download(
302
- repo_id=GEMMA_REPO,
303
- ignore_patterns=["*.safetensors", "*.safetensors.index.json"],
304
- )
305
-
306
- for fname in os.listdir(gemma_official_dir):
307
- src = os.path.join(gemma_official_dir, fname)
308
- dst = os.path.join(gemma_root, fname)
309
- if os.path.isfile(src) and not fname.endswith(".safetensors") and fname != "model.safetensors.index.json":
310
- if not os.path.exists(dst):
311
- os.symlink(src, dst)
312
-
313
- if os.path.exists(MERGED_WEIGHTS):
314
- print("[Gemma] Using cached merged weights")
315
- else:
316
- abliterated_weights_path = hf_hub_download(
317
- repo_id=GEMMA_ABLITERATED_REPO,
318
- filename=GEMMA_ABLITERATED_FILE,
319
- )
320
- index_path = hf_hub_download(
321
- repo_id=GEMMA_REPO,
322
- filename="model.safetensors.index.json"
323
- )
324
- with open(index_path) as f:
325
- weight_index = json.load(f)
326
-
327
- vision_keys = {}
328
- for key, shard in weight_index["weight_map"].items():
329
- if "vision_tower" in key or "multi_modal_projector" in key:
330
- vision_keys[key] = shard
331
- needed_shards = set(vision_keys.values())
332
-
333
- shard_paths = {}
334
- for shard_name in needed_shards:
335
- shard_paths[shard_name] = hf_hub_download(
336
- repo_id=GEMMA_REPO,
337
- filename=shard_name
338
- )
339
-
340
- _fp8_types = {torch.float8_e4m3fn, torch.float8_e5m2}
341
- raw = load_file(abliterated_weights_path)
342
- merged = {}
343
- for key, tensor in raw.items():
344
- t = tensor.to(torch.bfloat16) if tensor.dtype in _fp8_types else tensor
345
- merged[f"language_model.{key}"] = t
346
- del raw
347
-
348
- for key, shard_name in vision_keys.items():
349
- with safe_open(shard_paths[shard_name], framework="pt") as f:
350
- merged[key] = f.get_tensor(key)
351
-
352
- save_file(merged, MERGED_WEIGHTS)
353
- del merged
354
- gc.collect()
355
-
356
- weight_link = os.path.join(gemma_root, "model.safetensors")
357
- if os.path.exists(weight_link):
358
- os.remove(weight_link)
359
- os.symlink(MERGED_WEIGHTS, weight_link)
360
- print(f"[Gemma] Root ready: {gemma_root}")
361
-
362
- spatial_upsampler_path = hf_hub_download(repo_id=LTX_MODEL_REPO, filename="ltx-2.3-spatial-upscaler-x2-1.1.safetensors")
363
- gemma_root = snapshot_download(repo_id=GEMMA_REPO)
364
-
365
-
366
- # ---- Insert block (LoRA downloads) between lines 268 and 269 ----
367
- # LoRA repo + download the requested LoRA adapters
368
- LORA_REPO = "dagloop5/LoRA"
369
-
370
- print("=" * 80)
371
- print("Downloading LoRA adapters from dagloop5/LoRA...")
372
- print("=" * 80)
373
- pose_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX2_3_NSFW_furry_concat_v2.safetensors")
374
- general_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX2.3_reasoning_I2V_V3.safetensors")
375
- motion_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="motion_helper.safetensors")
376
- dreamlay_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="DR34ML4Y_LTXXX_PREVIEW_RC1.safetensors") # m15510n4ry, bl0wj0b, d0ubl3_bj, d0gg1e, c0wg1rl
377
- mself_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="Furry Hyper Masturbation - LTX-2 I2V v1.safetensors") # Hyperfap
378
- dramatic_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX-2.3 - Orgasm.safetensors") # "[He | She] is having am orgasm." (am or an?)
379
- fluid_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX2.3_CREAMPIE_ANIMATION-V0.1.safetensors") # cum
380
- liquid_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="liquid_wet_dr1pp_ltx2_v1.0_scaled.safetensors") # wet dr1pp
381
- demopose_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="clapping-cheeks-audio-v001-alpha.safetensors")
382
- voice_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="hentai_voice_ltx23.safetensors")
383
- realism_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="FurryenhancerLTX2.3V1.215.safetensors")
384
- transition_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX-2_takerpov_lora_v1.2.safetensors") # takerpov1, taker pov
385
- physics_lora_path = hf_hub_download(repo_id=LORA_REPO, filename="LTX2.3_Better_Physics_PhysLTX.safetensors")
386
- reasoning_lora_path = hf_hub_download(repo_id="LiconStudio/Ltx2.3-VBVR-lora-I2V", filename="Ltx2.3-Licon-VBVR-I2V-390K-R32.safetensors")
387
-
388
- print(f"Pose LoRA: {pose_lora_path}")
389
- print(f"General LoRA: {general_lora_path}")
390
- print(f"Motion LoRA: {motion_lora_path}")
391
- print(f"Dreamlay LoRA: {dreamlay_lora_path}")
392
- print(f"Mself LoRA: {mself_lora_path}")
393
- print(f"Dramatic LoRA: {dramatic_lora_path}")
394
- print(f"Fluid LoRA: {fluid_lora_path}")
395
- print(f"Liquid LoRA: {liquid_lora_path}")
396
- print(f"Demopose LoRA: {demopose_lora_path}")
397
- print(f"Voice LoRA: {voice_lora_path}")
398
- print(f"Realism LoRA: {realism_lora_path}")
399
- print(f"Transition LoRA: {transition_lora_path}")
400
- print(f"Physics LoRA: {physics_lora_path}")
401
- print(f"Reasoning LoRA: {reasoning_lora_path}")
402
- # ----------------------------------------------------------------
403
-
404
- print(f"Checkpoint: {checkpoint_path}")
405
- print(f"Spatial upsampler: {spatial_upsampler_path}")
406
- print(f"[Gemma] Root ready: {gemma_root}")
407
-
408
- # Initialize pipeline WITH text encoder and optional audio support
409
- # ---- Replace block (pipeline init) lines 275-281 ----
410
- pipeline = LTX23DistilledA2VPipeline(
411
- distilled_checkpoint_path=checkpoint_path,
412
- spatial_upsampler_path=spatial_upsampler_path,
413
- gemma_root=gemma_root,
414
- loras=[],
415
- quantization=QuantizationPolicy.fp8_cast(), # keep FP8 quantization unchanged
416
- )
417
- # ----------------------------------------------------------------
418
-
419
- def _make_lora_key(pose_strength: float, general_strength: float, motion_strength: float, dreamlay_strength: float, mself_strength: float, dramatic_strength: float, fluid_strength: float, liquid_strength: float, demopose_strength: float, voice_strength: float, realism_strength: float, transition_strength: float, physics_strength: float, reasoning_strength: float) -> tuple[str, str]:
420
- rp = round(float(pose_strength), 2)
421
- rg = round(float(general_strength), 2)
422
- rm = round(float(motion_strength), 2)
423
- rd = round(float(dreamlay_strength), 2)
424
- rs = round(float(mself_strength), 2)
425
- rr = round(float(dramatic_strength), 2)
426
- rf = round(float(fluid_strength), 2)
427
- rl = round(float(liquid_strength), 2)
428
- ro = round(float(demopose_strength), 2)
429
- rv = round(float(voice_strength), 2)
430
- re = round(float(realism_strength), 2)
431
- rt = round(float(transition_strength), 2)
432
- ry = round(float(physics_strength), 2)
433
- ri = round(float(reasoning_strength), 2)
434
- key_str = f"{pose_lora_path}:{rp}|{general_lora_path}:{rg}|{motion_lora_path}:{rm}|{dreamlay_lora_path}:{rd}|{mself_lora_path}:{rs}|{dramatic_lora_path}:{rr}|{fluid_lora_path}:{rf}|{liquid_lora_path}:{rl}|{demopose_lora_path}:{ro}|{voice_lora_path}:{rv}|{realism_lora_path}:{re}|{transition_lora_path}:{rt}|{physics_lora_path}:{ry}|{reasoning_lora_path}:{ri}"
435
- key = hashlib.sha256(key_str.encode("utf-8")).hexdigest()
436
- return key, key_str
437
-
438
-
439
- def prepare_lora_cache(
440
- pose_strength: float,
441
- general_strength: float,
442
- motion_strength: float,
443
- dreamlay_strength: float,
444
- mself_strength: float,
445
- dramatic_strength: float,
446
- fluid_strength: float,
447
- liquid_strength: float,
448
- demopose_strength: float,
449
- voice_strength: float,
450
- realism_strength: float,
451
- transition_strength: float,
452
- physics_strength: float,
453
- reasoning_strength: float,
454
- progress=gr.Progress(track_tqdm=True),
455
- ):
456
- """
457
- CPU-only step:
458
- - checks cache
459
- - loads cached fused transformer state_dict, or
460
- - builds fused transformer on CPU and saves it
461
- The resulting state_dict is stored in memory and can be applied later.
462
- """
463
- global PENDING_LORA_KEY, PENDING_LORA_STATE, PENDING_LORA_STATUS
464
-
465
- ledger = pipeline.model_ledger
466
- key, _ = _make_lora_key(pose_strength, general_strength, motion_strength, dreamlay_strength, mself_strength, dramatic_strength, fluid_strength, liquid_strength, demopose_strength, voice_strength, realism_strength, transition_strength, physics_strength, reasoning_strength)
467
- cache_path = LORA_CACHE_DIR / f"{key}.safetensors"
468
-
469
- progress(0.05, desc="Preparing LoRA state")
470
- if cache_path.exists():
471
- try:
472
- progress(0.20, desc="Loading cached fused state")
473
- state = load_file(str(cache_path))
474
- PENDING_LORA_KEY = key
475
- PENDING_LORA_STATE = state
476
- PENDING_LORA_STATUS = f"Loaded cached LoRA state: {cache_path.name}"
477
- return PENDING_LORA_STATUS
478
- except Exception as e:
479
- print(f"[LoRA] Cache load failed: {type(e).__name__}: {e}")
480
-
481
- entries = [
482
- (pose_lora_path, round(float(pose_strength), 2)),
483
- (general_lora_path, round(float(general_strength), 2)),
484
- (motion_lora_path, round(float(motion_strength), 2)),
485
- (dreamlay_lora_path, round(float(dreamlay_strength), 2)),
486
- (mself_lora_path, round(float(mself_strength), 2)),
487
- (dramatic_lora_path, round(float(dramatic_strength), 2)),
488
- (fluid_lora_path, round(float(fluid_strength), 2)),
489
- (liquid_lora_path, round(float(liquid_strength), 2)),
490
- (demopose_lora_path, round(float(demopose_strength), 2)),
491
- (voice_lora_path, round(float(voice_strength), 2)),
492
- (realism_lora_path, round(float(realism_strength), 2)),
493
- (transition_lora_path, round(float(transition_strength), 2)),
494
- (physics_lora_path, round(float(physics_strength), 2)),
495
- (reasoning_lora_path, round(float(reasoning_strength), 2)),
496
- ]
497
- loras_for_builder = [
498
- LoraPathStrengthAndSDOps(path, strength, LTXV_LORA_COMFY_RENAMING_MAP)
499
- for path, strength in entries
500
- if path is not None and float(strength) != 0.0
501
- ]
502
-
503
- if not loras_for_builder:
504
- PENDING_LORA_KEY = None
505
- PENDING_LORA_STATE = None
506
- PENDING_LORA_STATUS = "No non-zero LoRA strengths selected; nothing to prepare."
507
- return PENDING_LORA_STATUS
508
-
509
- tmp_ledger = None
510
- new_transformer_cpu = None
511
- try:
512
- progress(0.35, desc="Building fused CPU transformer")
513
- tmp_ledger = pipeline.model_ledger.__class__(
514
- dtype=ledger.dtype,
515
- device=torch.device("cpu"),
516
- checkpoint_path=str(checkpoint_path),
517
- spatial_upsampler_path=str(spatial_upsampler_path),
518
- gemma_root_path=str(gemma_root),
519
- loras=tuple(loras_for_builder),
520
- quantization=getattr(ledger, "quantization", None),
521
- )
522
- new_transformer_cpu = tmp_ledger.transformer()
523
-
524
- progress(0.70, desc="Extracting fused state_dict")
525
- state = {
526
- k: v.detach().cpu().contiguous()
527
- for k, v in new_transformer_cpu.state_dict().items()
528
- }
529
- save_file(state, str(cache_path))
530
-
531
- PENDING_LORA_KEY = key
532
- PENDING_LORA_STATE = state
533
- PENDING_LORA_STATUS = f"Built and cached LoRA state: {cache_path.name}"
534
- return PENDING_LORA_STATUS
535
-
536
- except Exception as e:
537
- import traceback
538
- print(f"[LoRA] Prepare failed: {type(e).__name__}: {e}")
539
- print(traceback.format_exc())
540
- PENDING_LORA_KEY = None
541
- PENDING_LORA_STATE = None
542
- PENDING_LORA_STATUS = f"LoRA prepare failed: {type(e).__name__}: {e}"
543
- return PENDING_LORA_STATUS
544
-
545
- finally:
546
- try:
547
- del new_transformer_cpu
548
- except Exception:
549
- pass
550
- try:
551
- del tmp_ledger
552
- except Exception:
553
- pass
554
- gc.collect()
555
-
556
-
557
- def apply_prepared_lora_state_to_pipeline():
558
- """
559
- Fast step: copy the already prepared CPU state into the live transformer.
560
- This is the only part that should remain near generation time.
561
- """
562
- global current_lora_key, PENDING_LORA_KEY, PENDING_LORA_STATE
563
-
564
- if PENDING_LORA_STATE is None or PENDING_LORA_KEY is None:
565
- print("[LoRA] No prepared LoRA state available; skipping.")
566
- return False
567
-
568
- if current_lora_key == PENDING_LORA_KEY:
569
- print("[LoRA] Prepared LoRA state already active; skipping.")
570
- return True
571
-
572
- existing_transformer = _transformer
573
- with torch.no_grad():
574
- missing, unexpected = existing_transformer.load_state_dict(PENDING_LORA_STATE, strict=False)
575
- if missing or unexpected:
576
- print(f"[LoRA] load_state_dict mismatch: missing={len(missing)}, unexpected={len(unexpected)}")
577
-
578
- current_lora_key = PENDING_LORA_KEY
579
- print("[LoRA] Prepared LoRA state applied to the pipeline.")
580
- return True
581
-
582
- # ---- REPLACE PRELOAD BLOCK START ----
583
- # Preload all models for ZeroGPU tensor packing.
584
- print("Preloading all models (including Gemma and audio components)...")
585
- ledger = pipeline.model_ledger
586
-
587
- # Save the original factory methods so we can rebuild individual components later.
588
- # These are bound callables on ledger that will call the builder when invoked.
589
- _orig_transformer_factory = ledger.transformer
590
- _orig_video_encoder_factory = ledger.video_encoder
591
- _orig_video_decoder_factory = ledger.video_decoder
592
- _orig_audio_encoder_factory = ledger.audio_encoder
593
- _orig_audio_decoder_factory = ledger.audio_decoder
594
- _orig_vocoder_factory = ledger.vocoder
595
- _orig_spatial_upsampler_factory = ledger.spatial_upsampler
596
- _orig_text_encoder_factory = ledger.text_encoder
597
- _orig_gemma_embeddings_factory = ledger.gemma_embeddings_processor
598
-
599
- # Call the original factories once to create the cached instances we will serve by default.
600
- _transformer = _orig_transformer_factory()
601
- _video_encoder = _orig_video_encoder_factory()
602
- _video_decoder = _orig_video_decoder_factory()
603
- _audio_encoder = _orig_audio_encoder_factory()
604
- _audio_decoder = _orig_audio_decoder_factory()
605
- _vocoder = _orig_vocoder_factory()
606
- _spatial_upsampler = _orig_spatial_upsampler_factory()
607
- _text_encoder = _orig_text_encoder_factory()
608
- _embeddings_processor = _orig_gemma_embeddings_factory()
609
-
610
- # Replace ledger methods with lightweight lambdas that return the cached instances.
611
- # We keep the original factories above so we can call them later to rebuild components.
612
- ledger.transformer = lambda: _transformer
613
- ledger.video_encoder = lambda: _video_encoder
614
- ledger.video_decoder = lambda: _video_decoder
615
- ledger.audio_encoder = lambda: _audio_encoder
616
- ledger.audio_decoder = lambda: _audio_decoder
617
- ledger.vocoder = lambda: _vocoder
618
- ledger.spatial_upsampler = lambda: _spatial_upsampler
619
- ledger.text_encoder = lambda: _text_encoder
620
- ledger.gemma_embeddings_processor = lambda: _embeddings_processor
621
-
622
- print("All models preloaded (including Gemma text encoder and audio encoder)!")
623
- # ---- REPLACE PRELOAD BLOCK END ----
624
-
625
- print("=" * 80)
626
- print("Pipeline ready!")
627
- print("=" * 80)
628
-
629
-
630
- def log_memory(tag: str):
631
- if torch.cuda.is_available():
632
- allocated = torch.cuda.memory_allocated() / 1024**3
633
- peak = torch.cuda.max_memory_allocated() / 1024**3
634
- free, total = torch.cuda.mem_get_info()
635
- print(f"[VRAM {tag}] allocated={allocated:.2f}GB peak={peak:.2f}GB free={free / 1024**3:.2f}GB total={total / 1024**3:.2f}GB")
636
-
637
-
638
- def detect_aspect_ratio(image) -> str:
639
- if image is None:
640
- return "16:9"
641
- if hasattr(image, "size"):
642
- w, h = image.size
643
- elif hasattr(image, "shape"):
644
- h, w = image.shape[:2]
645
- else:
646
- return "16:9"
647
- ratio = w / h
648
- candidates = {"16:9": 16 / 9, "9:16": 9 / 16, "1:1": 1.0}
649
- return min(candidates, key=lambda k: abs(ratio - candidates[k]))
650
-
651
-
652
- def on_image_upload(first_image, last_image, high_res):
653
- ref_image = first_image if first_image is not None else last_image
654
- aspect = detect_aspect_ratio(ref_image)
655
- tier = "high" if high_res else "low"
656
- w, h = RESOLUTIONS[tier][aspect]
657
- return gr.update(value=w), gr.update(value=h)
658
-
659
-
660
- def on_highres_toggle(first_image, last_image, high_res):
661
- ref_image = first_image if first_image is not None else last_image
662
- aspect = detect_aspect_ratio(ref_image)
663
- tier = "high" if high_res else "low"
664
- w, h = RESOLUTIONS[tier][aspect]
665
- return gr.update(value=w), gr.update(value=h)
666
-
667
-
668
- def get_gpu_duration(
669
- first_image,
670
- last_image,
671
- input_audio,
672
- prompt: str,
673
- duration: float,
674
- gpu_duration: float,
675
- enhance_prompt: bool = True,
676
- seed: int = 42,
677
- randomize_seed: bool = True,
678
- height: int = 1024,
679
- width: int = 1536,
680
- pose_strength: float = 0.0,
681
- general_strength: float = 0.0,
682
- motion_strength: float = 0.0,
683
- dreamlay_strength: float = 0.0,
684
- mself_strength: float = 0.0,
685
- dramatic_strength: float = 0.0,
686
- fluid_strength: float = 0.0,
687
- liquid_strength: float = 0.0,
688
- demopose_strength: float = 0.0,
689
- voice_strength: float = 0.0,
690
- realism_strength: float = 0.0,
691
- transition_strength: float = 0.0,
692
- physics_strength: float = 0.0,
693
- reasoning_strength: float = 0.0,
694
- progress=None,
695
- ):
696
- return int(gpu_duration)
697
-
698
- @spaces.GPU(duration=get_gpu_duration)
699
- @torch.inference_mode()
700
- def generate_video(
701
- first_image,
702
- last_image,
703
- input_audio,
704
- prompt: str,
705
- duration: float,
706
- gpu_duration: float,
707
- enhance_prompt: bool = True,
708
- seed: int = 42,
709
- randomize_seed: bool = True,
710
- height: int = 1024,
711
- width: int = 1536,
712
- pose_strength: float = 0.0,
713
- general_strength: float = 0.0,
714
- motion_strength: float = 0.0,
715
- dreamlay_strength: float = 0.0,
716
- mself_strength: float = 0.0,
717
- dramatic_strength: float = 0.0,
718
- fluid_strength: float = 0.0,
719
- liquid_strength: float = 0.0,
720
- demopose_strength: float = 0.0,
721
- voice_strength: float = 0.0,
722
- realism_strength: float = 0.0,
723
- transition_strength: float = 0.0,
724
- physics_strength: float = 0.0,
725
- reasoning_strength: float = 0.0,
726
- progress=gr.Progress(track_tqdm=True),
727
- ):
728
- try:
729
- torch.cuda.reset_peak_memory_stats()
730
- log_memory("start")
731
-
732
- current_seed = random.randint(0, MAX_SEED) if randomize_seed else int(seed)
733
-
734
- frame_rate = DEFAULT_FRAME_RATE
735
- num_frames = int(duration * frame_rate) + 1
736
- num_frames = ((num_frames - 1 + 7) // 8) * 8 + 1
737
-
738
- print(f"Generating: {height}x{width}, {num_frames} frames ({duration}s), seed={current_seed}")
739
-
740
- images = []
741
- output_dir = Path("outputs")
742
- output_dir.mkdir(exist_ok=True)
743
-
744
- if first_image is not None:
745
- temp_first_path = output_dir / f"temp_first_{current_seed}.jpg"
746
- if hasattr(first_image, "save"):
747
- first_image.save(temp_first_path)
748
- else:
749
- temp_first_path = Path(first_image)
750
- images.append(ImageConditioningInput(path=str(temp_first_path), frame_idx=0, strength=1.0))
751
-
752
- if last_image is not None:
753
- temp_last_path = output_dir / f"temp_last_{current_seed}.jpg"
754
- if hasattr(last_image, "save"):
755
- last_image.save(temp_last_path)
756
- else:
757
- temp_last_path = Path(last_image)
758
- images.append(ImageConditioningInput(path=str(temp_last_path), frame_idx=num_frames - 1, strength=1.0))
759
-
760
- tiling_config = TilingConfig.default()
761
- video_chunks_number = get_video_chunks_number(num_frames, tiling_config)
762
-
763
- log_memory("before pipeline call")
764
-
765
- apply_prepared_lora_state_to_pipeline()
766
-
767
- video, audio = pipeline(
768
- prompt=prompt,
769
- seed=current_seed,
770
- height=int(height),
771
- width=int(width),
772
- num_frames=num_frames,
773
- frame_rate=frame_rate,
774
- images=images,
775
- audio_path=input_audio,
776
- tiling_config=tiling_config,
777
- enhance_prompt=enhance_prompt,
778
- )
779
-
780
- log_memory("after pipeline call")
781
-
782
- output_path = tempfile.mktemp(suffix=".mp4")
783
- encode_video(
784
- video=video,
785
- fps=frame_rate,
786
- audio=audio,
787
- output_path=output_path,
788
- video_chunks_number=video_chunks_number,
789
- )
790
-
791
- log_memory("after encode_video")
792
- return str(output_path), current_seed
793
-
794
- except Exception as e:
795
- import traceback
796
- log_memory("on error")
797
- print(f"Error: {str(e)}\n{traceback.format_exc()}")
798
- return None, current_seed
799
-
800
-
801
- with gr.Blocks(title="LTX-2.3 Distilled") as demo:
802
- gr.Markdown("# LTX-2.3 F2LF with Fast Audio-Video Generation with Frame Conditioning")
803
-
804
-
805
- with gr.Row():
806
- with gr.Column():
807
- with gr.Row():
808
- first_image = gr.Image(label="First Frame (Optional)", type="pil")
809
- last_image = gr.Image(label="Last Frame (Optional)", type="pil")
810
- input_audio = gr.Audio(label="Audio Input (Optional)", type="filepath")
811
- prompt = gr.Textbox(
812
- label="Prompt",
813
- info="for best results - make it as elaborate as possible",
814
- value="Make this image come alive with cinematic motion, smooth animation",
815
- lines=3,
816
- placeholder="Describe the motion and animation you want...",
817
- )
818
- duration = gr.Slider(label="Duration (seconds)", minimum=1.0, maximum=30.0, value=10.0, step=0.1)
819
-
820
-
821
- generate_btn = gr.Button("Generate Video", variant="primary", size="lg")
822
-
823
- with gr.Accordion("Advanced Settings", open=False):
824
- seed = gr.Slider(label="Seed", minimum=0, maximum=MAX_SEED, value=10, step=1)
825
- randomize_seed = gr.Checkbox(label="Randomize Seed", value=True)
826
- with gr.Row():
827
- width = gr.Number(label="Width", value=1536, precision=0)
828
- height = gr.Number(label="Height", value=1024, precision=0)
829
- with gr.Row():
830
- enhance_prompt = gr.Checkbox(label="Enhance Prompt", value=False)
831
- high_res = gr.Checkbox(label="High Resolution", value=True)
832
- with gr.Column():
833
- gr.Markdown("### LoRA adapter strengths (set to 0 to disable; slow and WIP)")
834
- pose_strength = gr.Slider(
835
- label="Anthro Enhancer strength",
836
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
837
- )
838
- general_strength = gr.Slider(
839
- label="Reasoning Enhancer strength",
840
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
841
- )
842
- motion_strength = gr.Slider(
843
- label="Anthro Posing Helper strength",
844
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
845
- )
846
- dreamlay_strength = gr.Slider(
847
- label="Dreamlay strength",
848
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
849
- )
850
- mself_strength = gr.Slider(
851
- label="Mself strength",
852
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
853
- )
854
- dramatic_strength = gr.Slider(
855
- label="Dramatic strength",
856
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
857
- )
858
- fluid_strength = gr.Slider(
859
- label="Fluid Helper strength",
860
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
861
- )
862
- liquid_strength = gr.Slider(
863
- label="Liquid Helper strength",
864
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
865
- )
866
- demopose_strength = gr.Slider(
867
- label="Audio Helper strength",
868
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
869
- )
870
- voice_strength = gr.Slider(
871
- label="Voice Helper strength",
872
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
873
- )
874
- realism_strength = gr.Slider(
875
- label="Anthro Realism strength",
876
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
877
- )
878
- transition_strength = gr.Slider(
879
- label="POV strength",
880
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
881
- )
882
- physics_strength = gr.Slider(
883
- label="Physics strength",
884
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
885
- )
886
- reasoning_strength = gr.Slider(
887
- label="Alternative Reasoning strength",
888
- minimum=0.0, maximum=2.0, value=0.0, step=0.01
889
- )
890
- prepare_lora_btn = gr.Button("Prepare / Load LoRA Cache", variant="secondary")
891
- lora_status = gr.Textbox(
892
- label="LoRA Cache Status",
893
- value="No LoRA state prepared yet.",
894
- interactive=False,
895
- )
896
-
897
- with gr.Column():
898
- output_video = gr.Video(label="Generated Video", autoplay=False)
899
- gpu_duration = gr.Slider(
900
- label="ZeroGPU duration (seconds; 10 second Img2Vid with 1024x1024 and LoRAs = ~70)",
901
- minimum=30.0,
902
- maximum=240.0,
903
- value=75.0,
904
- step=1.0,
905
- )
906
-
907
- gr.Examples(
908
- examples=[
909
- [
910
- None,
911
- "pinkknit.jpg",
912
- None,
913
- "The camera falls downward through darkness as if dropped into a tunnel. "
914
- "As it slows, five friends wearing pink knitted hats and sunglasses lean "
915
- "over and look down toward the camera with curious expressions. The lens "
916
- "has a strong fisheye effect, creating a circular frame around them. They "
917
- "crowd together closely, forming a symmetrical cluster while staring "
918
- "directly into the lens.",
919
- 3.0,
920
- 80.0,
921
- False,
922
- 42,
923
- True,
924
- 1024,
925
- 1024,
926
- 0.0, # pose_strength (example)
927
- 0.0, # general_strength (example)
928
- 0.0, # motion_strength (example)
929
- 0.0,
930
- 0.0,
931
- 0.0,
932
- 0.0,
933
- 0.0,
934
- 0.0,
935
- 0.0,
936
- 0.0,
937
- 0.0,
938
- 0.0,
939
- 0.0,
940
- ],
941
- ],
942
- inputs=[
943
- first_image, last_image, input_audio, prompt, duration, gpu_duration,
944
- enhance_prompt, seed, randomize_seed, height, width,
945
- pose_strength, general_strength, motion_strength, dreamlay_strength, mself_strength, dramatic_strength, fluid_strength, liquid_strength, demopose_strength, voice_strength, realism_strength, transition_strength, physics_strength, reasoning_strength,
946
- ],
947
- )
948
-
949
- first_image.change(
950
- fn=on_image_upload,
951
- inputs=[first_image, last_image, high_res],
952
- outputs=[width, height],
953
- )
954
-
955
- last_image.change(
956
- fn=on_image_upload,
957
- inputs=[first_image, last_image, high_res],
958
- outputs=[width, height],
959
- )
960
-
961
- high_res.change(
962
- fn=on_highres_toggle,
963
- inputs=[first_image, last_image, high_res],
964
- outputs=[width, height],
965
- )
966
-
967
- prepare_lora_btn.click(
968
- fn=prepare_lora_cache,
969
- inputs=[pose_strength, general_strength, motion_strength, dreamlay_strength, mself_strength, dramatic_strength, fluid_strength, liquid_strength, demopose_strength, voice_strength, realism_strength, transition_strength, physics_strength, reasoning_strength],
970
- outputs=[lora_status],
971
- )
972
-
973
- generate_btn.click(
974
- fn=generate_video,
975
- inputs=[
976
- first_image, last_image, input_audio, prompt, duration, gpu_duration, enhance_prompt,
977
- seed, randomize_seed, height, width,
978
- pose_strength, general_strength, motion_strength, dreamlay_strength, mself_strength, dramatic_strength, fluid_strength, liquid_strength, demopose_strength, voice_strength, realism_strength, transition_strength, physics_strength, reasoning_strength,
979
- ],
980
- outputs=[output_video, seed],
981
- )
982
-
983
-
984
- css = """
985
- .fillable{max-width: 1200px !important}
986
- """
987
-
988
- if __name__ == "__main__":
989
- demo.launch(theme=gr.themes.Citrus(), css=css)