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import gradio as gr |
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import os |
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import sys |
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from pathlib import Path |
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import traceback |
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try: |
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from api.ltx_server_refactored import video_generation_service |
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except ImportError: |
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print("ERRO FATAL: Não foi possível importar 'video_generation_service' de 'api.ltx_server_refactored'.") |
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print("Verifique se o arquivo existe e se o ambiente está configurado corretamente.") |
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sys.exit(1) |
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try: |
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from api.seedvr_server import SeedVRServer |
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except ImportError: |
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print("AVISO: Não foi possível importar SeedVRServer. A aba de upscaling SeedVR será desativada.") |
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SeedVRServer = None |
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if SeedVRServer: |
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print("Inicializando o servidor de inferência SeedVR...") |
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seedvr_inference_server = SeedVRServer() |
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else: |
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seedvr_inference_server = None |
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def create_initial_state(): |
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return { |
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"low_res_video": None, |
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"low_res_latents": None, |
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"refined_video": None, |
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"refined_latents": None, |
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"used_seed": None |
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} |
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def run_generate_low(prompt, neg_prompt, start_img, height, width, duration, cfg, seed, randomize_seed, progress=gr.Progress(track_tqdm=True)): |
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""" |
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Executa a primeira etapa: geração de um vídeo base em baixa resolução. |
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""" |
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print("UI: Chamando generate_low") |
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try: |
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conditioning_items = [] |
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if start_img: |
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num_frames_estimate = int(duration * 24) |
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items_list = [[start_img, 0, 1.0]] |
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conditioning_items = video_generation_service.prepare_condition_items(items_list, height, width, num_frames_estimate) |
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used_seed = None if randomize_seed else seed |
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video_path, tensor_path, final_seed = video_generation_service.generate_low( |
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prompt=prompt, negative_prompt=neg_prompt, |
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height=height, width=width, duration=duration, |
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guidance_scale=cfg, seed=used_seed, |
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conditioning_items=conditioning_items |
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) |
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new_state = { |
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"low_res_video": video_path, |
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"low_res_latents": tensor_path, |
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"refined_video": None, |
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"refined_latents": None, |
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"used_seed": final_seed |
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} |
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return video_path, new_state, gr.update(visible=True) |
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except Exception as e: |
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error_message = f"❌ Ocorreu um erro na Geração Base:\n{e}" |
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print(f"{error_message}\nDetalhes: {traceback.format_exc()}") |
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raise gr.Error(error_message) |
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def run_seedvr_upscaling(state, seed, resolution, batch_size, fps, progress=gr.Progress(track_tqdm=True)): |
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""" |
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Função de callback que executa o processo de upscaling com SeedVR. |
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""" |
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if not state or not state.get("low_res_video"): |
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raise gr.Error("Erro: Gere um vídeo base primeiro na Etapa 1.") |
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if not seedvr_inference_server: |
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raise gr.Error("Erro: O servidor SeedVR não está disponível. Verifique a instalação e os logs.") |
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video_path = state["low_res_video"] |
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progress(0, desc="Iniciando SeedVR Upscaling...") |
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print(f"▶️ Iniciando processo de upscaling SeedVR para o vídeo: {video_path}") |
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try: |
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def progress_wrapper(p, desc=""): |
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progress(p, desc=desc) |
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print(f"⌛ Progresso SeedVR: {p*100:.1f}% - {desc}") |
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output_filepath = seedvr_inference_server.run_inference( |
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file_path=video_path, |
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seed=seed, |
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resolution=resolution, |
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batch_size=batch_size, |
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fps=fps, |
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progress=progress_wrapper |
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) |
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final_message = f"✅ Processo SeedVR concluído!\nVídeo salvo em: {output_filepath}" |
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print(final_message) |
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return gr.update(value=output_filepath, interactive=True), gr.update(value=final_message, interactive=False) |
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except Exception as e: |
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error_message = f"❌ Ocorreu um erro grave durante o upscaling com SeedVR:\n{e}" |
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print(f"{error_message}\nDetalhes: {traceback.format_exc()}") |
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return None, gr.update(value=error_message, interactive=False) |
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with gr.Blocks(css="#col-container { margin: 0 auto; max-width: 900px; }", theme=gr.themes.Monochrome()) as demo: |
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gr.Markdown("# LTX Video - Geração e Pós-Produção por Etapas") |
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app_state = gr.State(value=create_initial_state()) |
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with gr.Row(): |
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with gr.Column(scale=1): |
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gr.Markdown("### Etapa 1: Configurações de Geração") |
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prompt_input = gr.Textbox(label="Prompt", value="A majestic dragon flying over a medieval castle", lines=3) |
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neg_prompt_input = gr.Textbox(label="Negative Prompt", value="worst quality, blurry, low quality, jittery", lines=2) |
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start_image = gr.Image(label="Imagem de Início (Opcional)", type="filepath", sources=["upload", "clipboard"]) |
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with gr.Accordion("Parâmetros Avançados", open=False): |
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height_input = gr.Slider(label="Height", value=512, step=32, minimum=256, maximum=1024) |
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width_input = gr.Slider(label="Width", value=704, step=32, minimum=256, maximum=1024) |
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duration_input = gr.Slider(label="Duração (s)", value=4, step=1, minimum=1, maximum=10) |
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cfg_input = gr.Slider(label="Guidance Scale (CFG)", value=3.0, step=0.1, minimum=1.0, maximum=10.0) |
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seed_input = gr.Number(label="Seed", value=42, precision=0) |
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randomize_seed = gr.Checkbox(label="Randomize Seed", value=True) |
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generate_low_btn = gr.Button("1. Gerar Vídeo Base (Low-Res)", variant="primary") |
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with gr.Column(scale=1): |
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gr.Markdown("### Vídeo Base Gerado") |
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low_res_video_output = gr.Video(label="O resultado da Etapa 1 aparecerá aqui", interactive=False) |
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with gr.Group(visible=False) as post_prod_group: |
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gr.Markdown("<hr style='margin-top: 20px; margin-bottom: 20px;'>") |
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gr.Markdown("## Etapa 2: Pós-Produção") |
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gr.Markdown("Use o vídeo gerado acima como entrada para as ferramentas abaixo.") |
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with gr.Tabs(): |
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with gr.TabItem("🚀 Upscaler Textura (LTX)"): |
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gr.Markdown("*(Funcionalidade a ser implementada no futuro)*") |
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with gr.TabItem("✨ Upscaler SeedVR"): |
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with gr.Row(): |
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with gr.Column(scale=1): |
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gr.Markdown("### Parâmetros do SeedVR") |
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seedvr_seed = gr.Slider(minimum=0, maximum=999999, value=42, step=1, label="Seed") |
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seedvr_resolution = gr.Slider(minimum=720, maximum=1440, value=1072, step=8, label="Resolução Vertical (Altura)") |
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seedvr_batch_size = gr.Slider(minimum=1, maximum=16, value=4, step=1, label="Batch Size por GPU") |
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seedvr_fps_output = gr.Number(label="FPS de Saída (0 = original)", value=0) |
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run_seedvr_button = gr.Button("Iniciar Upscaling SeedVR", variant="primary", interactive=(seedvr_inference_server is not None)) |
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if not seedvr_inference_server: |
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gr.Markdown("<p style='color: red;'>Serviço SeedVR não disponível.</p>") |
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with gr.Column(scale=1): |
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gr.Markdown("### Resultado do Upscaling") |
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seedvr_video_output = gr.Video(label="Vídeo com Upscale SeedVR", interactive=False) |
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seedvr_status_box = gr.Textbox(label="Status do Processamento", value="Aguardando...", lines=3, interactive=False) |
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with gr.TabItem("🔊 Áudio (MM-Audio)"): |
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gr.Markdown("*(Funcionalidade futura para adicionar som aos vídeos)*") |
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generate_low_btn.click( |
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fn=run_generate_low, |
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inputs=[prompt_input, neg_prompt_input, start_image, height_input, width_input, duration_input, cfg_input, seed_input, randomize_seed], |
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outputs=[low_res_video_output, app_state, post_prod_group] |
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) |
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run_seedvr_button.click( |
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fn=run_seedvr_upscaling, |
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inputs=[ |
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app_state, |
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seedvr_seed, |
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seedvr_resolution, |
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seedvr_batch_size, |
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seedvr_fps_output |
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], |
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outputs=[ |
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seedvr_video_output, |
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seedvr_status_box |
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] |
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) |
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if __name__ == "__main__": |
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demo.queue().launch( |
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server_name="0.0.0.0", |
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debug=True, |
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show_error=True |
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) |