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| import os | |
| from io import BytesIO | |
| import base64 | |
| from functools import partial | |
| from PIL import Image, ImageOps | |
| import gradio as gr | |
| from makeavid_sd.inference import InferenceUNetPseudo3D, FlaxDPMSolverMultistepScheduler, jnp | |
| print(os.environ.get('XLA_PYTHON_CLIENT_PREALLOCATE', 'NotSet')) | |
| print(os.environ.get('XLA_PYTHON_CLIENT_ALLOCATOR', 'NotSet')) | |
| _preheat: bool = False | |
| _seen_compilations = set() | |
| _model = InferenceUNetPseudo3D( | |
| model_path = 'TempoFunk/makeavid-sd-jax', | |
| scheduler_cls = FlaxDPMSolverMultistepScheduler, | |
| dtype = jnp.float16, | |
| hf_auth_token = os.environ.get('HUGGING_FACE_HUB_TOKEN', None) | |
| ) | |
| if _model.failed != False: | |
| trace = f'```{_model.failed}```' | |
| with gr.Blocks(title = 'Make-A-Video Stable Diffusion JAX', analytics_enabled = False) as demo: | |
| exception = gr.Markdown(trace) | |
| demo.launch() | |
| # gradio is illiterate. type hints make it go poopoo in pantsu. | |
| def generate( | |
| prompt = 'An elderly man having a great time in the park.', | |
| neg_prompt = '', | |
| image = None, | |
| inference_steps = 20, | |
| cfg = 12.0, | |
| seed = 0, | |
| fps = 24, | |
| num_frames = 24, | |
| height = 512, | |
| width = 512 | |
| ) -> str: | |
| height = int(height) | |
| width = int(width) | |
| num_frames = int(num_frames) | |
| seed = int(seed) | |
| height = (height // 64) * 64 | |
| width = (width // 64) * 64 | |
| if seed < 0: | |
| seed = -seed | |
| inference_steps = int(inference_steps) | |
| hint_image = image | |
| if hint_image is not None: | |
| if hint_image.mode != 'RGB': | |
| hint_image = hint_image.convert('RGB') | |
| if hint_image.size != (width, height): | |
| hint_image = ImageOps.fit(hint_image, (width, height), method = Image.Resampling.LANCZOS) | |
| images = _model.generate( | |
| prompt = [prompt] * _model.device_count, | |
| neg_prompt = neg_prompt, | |
| hint_image = hint_image, | |
| mask_image = None, | |
| inference_steps = inference_steps, | |
| cfg = cfg, | |
| height = height, | |
| width = width, | |
| num_frames = num_frames, | |
| seed = seed | |
| ) | |
| _seen_compilations.add((hint_image is None, inference_steps, height, width, num_frames)) | |
| buffer = BytesIO() | |
| images[0].save( | |
| buffer, | |
| format = 'webp', | |
| save_all = True, | |
| append_images = images[1:], | |
| loop = 0, | |
| duration = round(1000 / fps), | |
| allow_mixed = True | |
| ) | |
| data = base64.b64encode(buffer.getvalue()).decode() | |
| data = 'data:image/webp;base64,' + data | |
| buffer.close() | |
| return data | |
| def check_if_compiled(image, inference_steps, height, width, num_frames, message): | |
| height = int(height) | |
| width = int(width) | |
| hint_image = image | |
| if (hint_image is None, inference_steps, height, width, num_frames) in _seen_compilations: | |
| return '' | |
| else: | |
| return f"""{message}""" | |
| if _preheat: | |
| print('\npreheating the oven') | |
| generate( | |
| prompt = 'preheating the oven', | |
| neg_prompt = '', | |
| image = { 'image': None, 'mask': None }, | |
| inference_steps = 20, | |
| cfg = 12.0, | |
| seed = 0 | |
| ) | |
| print('Entertaining the guests with sailor songs played on an old piano.') | |
| dada = generate( | |
| prompt = 'Entertaining the guests with sailor songs played on an old harmonium.', | |
| neg_prompt = '', | |
| image = { 'image': Image.new('RGB', size = (512, 512), color = (0, 0, 0)), 'mask': None }, | |
| inference_steps = 20, | |
| cfg = 12.0, | |
| seed = 0 | |
| ) | |
| print('dinner is ready\n') | |
| with gr.Blocks(title = 'Make-A-Video Stable Diffusion JAX', analytics_enabled = False) as demo: | |
| variant = 'panel' | |
| with gr.Row(): | |
| with gr.Column(): | |
| intro1 = gr.Markdown(""" | |
| # Make-A-Video Stable Diffusion JAX | |
| We have extended a pretrained LDM inpainting image generation model with temporal convolutions and attention. | |
| We take advantage of the extra 5 input channels of the inpaint model to guide the video generation with a hint image and mask. | |
| The hint image can be given by the user, otherwise it is generated by an generative image model. | |
| The temporal convolution and attention is a port of [Make-A-Video Pytorch](https://github.com/lucidrains/make-a-video-pytorch/blob/main/make_a_video_pytorch) to FLAX. | |
| It is a pseudo 3D convolution that seperately convolves accross the spatial dimension in 2D and over the temporal dimension in 1D. | |
| Temporal attention is purely self attention and also separately attends to time and space. | |
| Only the new temporal layers have been fine tuned on a dataset of videos themed around dance. | |
| The model has been trained for 60 epochs on a dataset of 10,000 Videos with 120 frames each, randomly selecting a 24 frame range from each sample. | |
| See model and dataset links in the metadata. | |
| Model implementation and training code can be found at [https://github.com/lopho/makeavid-sd-tpu](https://github.com/lopho/makeavid-sd-tpu) | |
| """) | |
| with gr.Column(): | |
| intro3 = gr.Markdown(""" | |
| **Please be patient. The model might have to compile with current parameters.** | |
| This can take up to 5 minutes on the first run, and 2-3 minutes on later runs. | |
| The compilation will be cached and consecutive runs with the same parameters | |
| will be much faster. | |
| Changes to the following parameters require the model to compile | |
| - Number of frames | |
| - Width & Height | |
| - Steps | |
| - Input image vs. no input image | |
| """) | |
| with gr.Row(variant = variant): | |
| with gr.Column(variant = variant): | |
| with gr.Row(): | |
| #cancel_button = gr.Button(value = 'Cancel') | |
| submit_button = gr.Button(value = 'Make A Video', variant = 'primary') | |
| prompt_input = gr.Textbox( | |
| label = 'Prompt', | |
| value = 'They are dancing in the club while sweat drips from the ceiling.', | |
| interactive = True | |
| ) | |
| neg_prompt_input = gr.Textbox( | |
| label = 'Negative prompt (optional)', | |
| value = '', | |
| interactive = True | |
| ) | |
| inference_steps_input = gr.Slider( | |
| label = 'Steps', | |
| minimum = 2, | |
| maximum = 100, | |
| value = 20, | |
| step = 1 | |
| ) | |
| cfg_input = gr.Slider( | |
| label = 'Guidance scale', | |
| minimum = 1.0, | |
| maximum = 20.0, | |
| step = 0.1, | |
| value = 15.0, | |
| interactive = True | |
| ) | |
| seed_input = gr.Number( | |
| label = 'Random seed', | |
| value = 0, | |
| interactive = True, | |
| precision = 0 | |
| ) | |
| image_input = gr.Image( | |
| label = 'Input image (optional)', | |
| interactive = True, | |
| image_mode = 'RGB', | |
| type = 'pil', | |
| optional = True, | |
| source = 'upload' | |
| ) | |
| num_frames_input = gr.Slider( | |
| label = 'Number of frames to generate', | |
| minimum = 1, | |
| maximum = 24, | |
| step = 1, | |
| value = 24 | |
| ) | |
| width_input = gr.Slider( | |
| label = 'Width', | |
| minimum = 64, | |
| maximum = 512, | |
| step = 64, | |
| value = 448 | |
| ) | |
| height_input = gr.Slider( | |
| label = 'Height', | |
| minimum = 64, | |
| maximum = 512, | |
| step = 64, | |
| value = 448 | |
| ) | |
| fps_input = gr.Slider( | |
| label = 'Output FPS', | |
| minimum = 1, | |
| maximum = 1000, | |
| step = 1, | |
| value = 12 | |
| ) | |
| with gr.Column(variant = variant): | |
| #no_gpu = gr.Markdown('**Until a GPU is assigned expect extremely long runtimes up to 1h+**') | |
| will_trigger = gr.Markdown('') | |
| patience = gr.Markdown('') | |
| image_output = gr.Image( | |
| label = 'Output', | |
| value = 'example.webp', | |
| interactive = False | |
| ) | |
| trigger_inputs = [ image_input, inference_steps_input, height_input, width_input, num_frames_input ] | |
| trigger_check_fun = partial(check_if_compiled, message = 'Current parameters will trigger compilation.') | |
| height_input.change(fn = trigger_check_fun, inputs = trigger_inputs, outputs = will_trigger) | |
| width_input.change(fn = trigger_check_fun, inputs = trigger_inputs, outputs = will_trigger) | |
| num_frames_input.change(fn = trigger_check_fun, inputs = trigger_inputs, outputs = will_trigger) | |
| image_input.change(fn = trigger_check_fun, inputs = trigger_inputs, outputs = will_trigger) | |
| inference_steps_input.change(fn = trigger_check_fun, inputs = trigger_inputs, outputs = will_trigger) | |
| will_trigger.value = trigger_check_fun(image_input.value, inference_steps_input.value, height_input.value, width_input.value, num_frames_input.value) | |
| ev = submit_button.click( | |
| fn = partial( | |
| check_if_compiled, | |
| message = 'Please be patient. The model has to be compiled with current parameters.' | |
| ), | |
| inputs = trigger_inputs, | |
| outputs = patience | |
| ).then( | |
| fn = generate, | |
| inputs = [ | |
| prompt_input, | |
| neg_prompt_input, | |
| image_input, | |
| inference_steps_input, | |
| cfg_input, | |
| seed_input, | |
| fps_input, | |
| num_frames_input, | |
| height_input, | |
| width_input | |
| ], | |
| outputs = image_output, | |
| postprocess = False | |
| ).then( | |
| fn = trigger_check_fun, | |
| inputs = trigger_inputs, | |
| outputs = will_trigger | |
| ) | |
| #cancel_button.click(fn = lambda: None, cancels = ev) | |
| demo.queue(concurrency_count = 1, max_size = 32) | |
| demo.launch() | |