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| import gradio as gr | |
| import torch | |
| import os | |
| import gc | |
| import numpy as np | |
| import tempfile | |
| from typing import Optional, Tuple | |
| import time | |
| # ZeroGPU support | |
| try: | |
| import spaces | |
| SPACES_AVAILABLE = True | |
| except ImportError: | |
| SPACES_AVAILABLE = False | |
| class spaces: | |
| def GPU(duration=300): | |
| def decorator(func): return func | |
| return decorator | |
| # Environment | |
| IS_ZERO_GPU = os.environ.get("SPACES_ZERO_GPU") == "true" | |
| IS_SPACES = os.environ.get("SPACE_ID") is not None | |
| HAS_CUDA = torch.cuda.is_available() | |
| print(f"🚀 H200 Premium Setup: ZeroGPU={IS_ZERO_GPU}, Spaces={IS_SPACES}, CUDA={HAS_CUDA}") | |
| # PREMIUM MODELS ONLY - No low quality fallbacks | |
| PREMIUM_MODELS = [ | |
| { | |
| "id": "THUDM/CogVideoX-5b", | |
| "name": "CogVideoX-5B", | |
| "pipeline_class": "CogVideoXPipeline", | |
| "resolution_options": [(720, 480), (480, 720)], | |
| "max_frames": 49, | |
| "dtype": torch.bfloat16, | |
| "fps": 8, | |
| "priority": 1, | |
| "description": "5B parameter video model - high quality" | |
| }, | |
| { | |
| "id": "THUDM/CogVideoX-2b", | |
| "name": "CogVideoX-2B", | |
| "pipeline_class": "CogVideoXPipeline", | |
| "resolution_options": [(720, 480), (480, 720)], | |
| "max_frames": 49, | |
| "dtype": torch.bfloat16, | |
| "fps": 8, | |
| "priority": 2, | |
| "description": "2B parameter model - faster generation" | |
| }, | |
| { | |
| "id": "Lightricks/LTX-Video", | |
| "name": "LTX-Video", | |
| "pipeline_class": "DiffusionPipeline", | |
| "resolution_options": [(512, 512), (768, 768)], | |
| "max_frames": 121, # LTX supports longer videos | |
| "dtype": torch.bfloat16, | |
| "fps": 24, # Higher FPS | |
| "priority": 3, | |
| "description": "Professional video generation model" | |
| } | |
| ] | |
| # Global variables | |
| MODEL = None | |
| MODEL_INFO = None | |
| LOADING_LOGS = [] | |
| def log_loading(message): | |
| """Enhanced logging with timestamps""" | |
| global LOADING_LOGS | |
| timestamp = time.strftime('%H:%M:%S') | |
| formatted_msg = f"[{timestamp}] {message}" | |
| print(formatted_msg) | |
| LOADING_LOGS.append(formatted_msg) | |
| def get_h200_memory(): | |
| """Get detailed H200 memory stats""" | |
| if HAS_CUDA: | |
| try: | |
| total = torch.cuda.get_device_properties(0).total_memory / (1024**3) | |
| allocated = torch.cuda.memory_allocated(0) / (1024**3) | |
| reserved = torch.cuda.memory_reserved(0) / (1024**3) | |
| return total, allocated, reserved | |
| except: | |
| return 0, 0, 0 | |
| return 0, 0, 0 | |
| def load_premium_model(): | |
| """Load premium models only - no fallbacks""" | |
| global MODEL, MODEL_INFO, LOADING_LOGS | |
| if MODEL is not None: | |
| return True | |
| LOADING_LOGS = [] | |
| log_loading("🎯 H200 Premium Model Loading - QUALITY PRIORITY") | |
| total_mem, allocated_mem, reserved_mem = get_h200_memory() | |
| log_loading(f"💾 H200 Memory: {total_mem:.1f}GB total, {allocated_mem:.1f}GB allocated, {reserved_mem:.1f}GB reserved") | |
| # Sort by priority (premium first) | |
| sorted_models = sorted(PREMIUM_MODELS, key=lambda x: x["priority"]) | |
| for model_config in sorted_models: | |
| if try_load_premium_model(model_config): | |
| return True | |
| log_loading("❌ All premium models failed - check model availability") | |
| return False | |
| def try_load_premium_model(config): | |
| """Try loading premium model with optimized settings""" | |
| global MODEL, MODEL_INFO | |
| model_id = config["id"] | |
| model_name = config["name"] | |
| log_loading(f"🔄 Loading {model_name} (Premium)...") | |
| log_loading(f" 📋 Target: {config['pipeline_class']}, {config['max_frames']} frames, {config['fps']} fps") | |
| try: | |
| # Clear H200 memory | |
| if HAS_CUDA: | |
| torch.cuda.empty_cache() | |
| torch.cuda.synchronize() | |
| gc.collect() | |
| # Import specific pipeline | |
| if config["pipeline_class"] == "CogVideoXPipeline": | |
| from diffusers import CogVideoXPipeline | |
| PipelineClass = CogVideoXPipeline | |
| log_loading(f" 📥 Using CogVideoXPipeline...") | |
| else: | |
| from diffusers import DiffusionPipeline | |
| PipelineClass = DiffusionPipeline | |
| log_loading(f" 📥 Using DiffusionPipeline...") | |
| # Load with premium settings | |
| log_loading(f" 🔄 Downloading/Loading model...") | |
| pipe = PipelineClass.from_pretrained( | |
| model_id, | |
| torch_dtype=config["dtype"], | |
| trust_remote_code=True, | |
| # No variant, no use_safetensors restrictions | |
| ) | |
| # Move to H200 and optimize | |
| if HAS_CUDA: | |
| log_loading(f" 📱 Moving to H200 CUDA...") | |
| pipe = pipe.to("cuda") | |
| # Premium optimizations for H200's 69.5GB | |
| if hasattr(pipe, 'enable_vae_slicing'): | |
| pipe.enable_vae_slicing() | |
| log_loading(f" ⚡ VAE slicing enabled") | |
| if hasattr(pipe, 'enable_vae_tiling'): | |
| pipe.enable_vae_tiling() | |
| log_loading(f" ⚡ VAE tiling enabled") | |
| if hasattr(pipe, 'enable_memory_efficient_attention'): | |
| pipe.enable_memory_efficient_attention() | |
| log_loading(f" ⚡ Memory efficient attention enabled") | |
| # For H200's large memory, keep everything in GPU | |
| log_loading(f" 🚀 Keeping full model in H200 GPU memory") | |
| # Memory check after loading | |
| total_mem, allocated_mem, reserved_mem = get_h200_memory() | |
| log_loading(f" 💾 Post-load: {allocated_mem:.1f}GB allocated, {reserved_mem:.1f}GB reserved") | |
| # Validate model capabilities | |
| expected_frames = config["max_frames"] | |
| expected_fps = config["fps"] | |
| log_loading(f" ✅ {model_name} ready: {expected_frames} max frames @ {expected_fps} fps") | |
| MODEL = pipe | |
| MODEL_INFO = config | |
| log_loading(f"🎯 SUCCESS: {model_name} loaded for premium generation!") | |
| return True | |
| except Exception as e: | |
| log_loading(f"❌ {model_name} failed: {str(e)}") | |
| # Clear memory thoroughly | |
| if HAS_CUDA: | |
| torch.cuda.empty_cache() | |
| torch.cuda.synchronize() | |
| gc.collect() | |
| return False | |
| def generate_premium_video( | |
| prompt: str, | |
| negative_prompt: str = "", | |
| num_frames: int = 49, | |
| resolution: str = "720x480", | |
| num_inference_steps: int = 50, | |
| guidance_scale: float = 6.0, | |
| seed: int = -1 | |
| ) -> Tuple[Optional[str], str]: | |
| """Generate premium quality video with proper parameters""" | |
| global MODEL, MODEL_INFO | |
| # Load premium model | |
| if not load_premium_model(): | |
| logs = "\n".join(LOADING_LOGS[-5:]) | |
| return None, f"❌ No premium models available\n\nLogs:\n{logs}" | |
| # Input validation | |
| if not prompt.strip(): | |
| return None, "❌ Please enter a detailed prompt for premium generation." | |
| if len(prompt) < 10: | |
| return None, "❌ Please provide a more detailed prompt (minimum 10 characters)." | |
| # Parse resolution | |
| try: | |
| width, height = map(int, resolution.split('x')) | |
| except: | |
| width, height = MODEL_INFO["resolution_options"][0] | |
| # Validate resolution | |
| if (width, height) not in MODEL_INFO["resolution_options"]: | |
| width, height = MODEL_INFO["resolution_options"][0] | |
| log_loading(f"⚠️ Resolution adjusted to {width}x{height}") | |
| # Validate frames | |
| max_frames = MODEL_INFO["max_frames"] | |
| num_frames = min(max(num_frames, 16), max_frames) # Minimum 16 for quality | |
| # Model-specific parameter optimization | |
| if MODEL_INFO["name"].startswith("CogVideoX"): | |
| # CogVideoX optimal parameters | |
| guidance_scale = max(6.0, min(guidance_scale, 7.0)) # CogVideoX sweet spot | |
| num_inference_steps = max(50, num_inference_steps) # Higher steps for quality | |
| elif MODEL_INFO["name"] == "LTX-Video": | |
| # LTX-Video optimal parameters | |
| guidance_scale = max(7.0, min(guidance_scale, 8.5)) # LTX sweet spot | |
| num_inference_steps = max(30, num_inference_steps) | |
| try: | |
| # H200 memory preparation | |
| start_memory = torch.cuda.memory_allocated(0) / (1024**3) if HAS_CUDA else 0 | |
| # Enhanced seed handling | |
| if seed == -1: | |
| seed = np.random.randint(0, 2**32 - 1) | |
| device = "cuda" if HAS_CUDA else "cpu" | |
| generator = torch.Generator(device=device).manual_seed(seed) | |
| log_loading(f"🎬 PREMIUM GENERATION START") | |
| log_loading(f"📋 Model: {MODEL_INFO['name']}") | |
| log_loading(f"📐 Resolution: {width}x{height}") | |
| log_loading(f"🎞️ Frames: {num_frames} @ {MODEL_INFO['fps']} fps = {num_frames/MODEL_INFO['fps']:.1f}s video") | |
| log_loading(f"⚙️ Steps: {num_inference_steps}, Guidance: {guidance_scale}") | |
| log_loading(f"📝 Prompt: {prompt[:100]}...") | |
| start_time = time.time() | |
| # Premium generation with optimal autocast | |
| with torch.autocast(device, dtype=MODEL_INFO["dtype"], enabled=HAS_CUDA): | |
| # Prepare generation parameters | |
| gen_kwargs = { | |
| "prompt": prompt, | |
| "height": height, | |
| "width": width, | |
| "num_frames": num_frames, | |
| "num_inference_steps": num_inference_steps, | |
| "guidance_scale": guidance_scale, | |
| "generator": generator, | |
| } | |
| # Add negative prompt for quality | |
| if negative_prompt.strip(): | |
| gen_kwargs["negative_prompt"] = negative_prompt | |
| else: | |
| # Default negative prompt for premium quality | |
| default_negative = "blurry, low quality, distorted, pixelated, compression artifacts, watermark, text, signature, amateur, static, boring" | |
| gen_kwargs["negative_prompt"] = default_negative | |
| log_loading(f"🚫 Using default negative prompt for quality") | |
| # Model-specific parameters | |
| if MODEL_INFO["name"].startswith("CogVideoX"): | |
| gen_kwargs["num_videos_per_prompt"] = 1 | |
| log_loading(f"🎥 CogVideoX generation starting...") | |
| # Generate with progress | |
| log_loading(f"🚀 H200 generation in progress...") | |
| result = MODEL(**gen_kwargs) | |
| end_time = time.time() | |
| generation_time = end_time - start_time | |
| # Extract video frames | |
| if hasattr(result, 'frames'): | |
| video_frames = result.frames[0] | |
| log_loading(f"📹 Extracted {len(video_frames)} frames") | |
| elif hasattr(result, 'videos'): | |
| video_frames = result.videos[0] | |
| log_loading(f"📹 Extracted video tensor: {video_frames.shape}") | |
| else: | |
| log_loading(f"❌ Unknown result format: {type(result)}") | |
| return None, "❌ Could not extract video frames from result" | |
| # Export with proper FPS | |
| target_fps = MODEL_INFO["fps"] | |
| actual_duration = num_frames / target_fps | |
| with tempfile.NamedTemporaryFile(suffix=".mp4", delete=False) as tmp_file: | |
| from diffusers.utils import export_to_video | |
| export_to_video(video_frames, tmp_file.name, fps=target_fps) | |
| video_path = tmp_file.name | |
| log_loading(f"🎬 Exported to {tmp_file.name} @ {target_fps} fps") | |
| # Memory stats | |
| end_memory = torch.cuda.memory_allocated(0) / (1024**3) if HAS_CUDA else 0 | |
| memory_used = end_memory - start_memory | |
| # Success report | |
| success_msg = f"""🎯 **PREMIUM H200 VIDEO GENERATED** | |
| 🤖 **Model:** {MODEL_INFO['name']} | |
| 📝 **Prompt:** {prompt} | |
| 🎬 **Video:** {num_frames} frames @ {target_fps} fps = **{actual_duration:.1f} seconds** | |
| 📐 **Resolution:** {width}x{height} | |
| ⚙️ **Quality:** {num_inference_steps} inference steps | |
| 🎯 **Guidance:** {guidance_scale} | |
| 🎲 **Seed:** {seed} | |
| ⏱️ **Generation Time:** {generation_time:.1f}s ({generation_time/60:.1f} minutes) | |
| 🖥️ **Device:** H200 MIG (69.5GB) | |
| 💾 **Memory Used:** {memory_used:.1f}GB | |
| 📋 **Model Notes:** {MODEL_INFO['description']} | |
| **🎥 Video Quality:** Premium quality with {num_frames} frames over {actual_duration:.1f} seconds""" | |
| log_loading(f"✅ PREMIUM generation completed: {actual_duration:.1f}s video in {generation_time:.1f}s") | |
| return video_path, success_msg | |
| except torch.cuda.OutOfMemoryError: | |
| if HAS_CUDA: | |
| torch.cuda.empty_cache() | |
| gc.collect() | |
| return None, "❌ H200 memory exceeded. Try reducing frames or resolution." | |
| except Exception as e: | |
| if HAS_CUDA: | |
| torch.cuda.empty_cache() | |
| gc.collect() | |
| error_msg = str(e) | |
| log_loading(f"❌ Generation error: {error_msg}") | |
| return None, f"❌ Premium generation failed: {error_msg}" | |
| def get_model_status(): | |
| """Get current premium model status""" | |
| if MODEL is None: | |
| return "⏳ **No premium model loaded** - will auto-load on generation" | |
| fps = MODEL_INFO["fps"] | |
| max_frames = MODEL_INFO["max_frames"] | |
| max_duration = max_frames / fps | |
| resolutions = ", ".join([f"{w}x{h}" for w, h in MODEL_INFO["resolution_options"]]) | |
| return f"""🎯 **{MODEL_INFO['name']} Ready** | |
| **📋 Premium Capabilities:** | |
| - **Max Duration:** {max_duration:.1f} seconds ({max_frames} frames @ {fps} fps) | |
| - **Resolutions:** {resolutions} | |
| - **Quality:** {MODEL_INFO['description']} | |
| **⚡ H200 Optimizations:** | |
| - Full model in GPU memory | |
| - Memory efficient attention | |
| - VAE optimizations enabled | |
| **💡 This model produces {max_duration:.1f} second videos with {max_frames} frames!**""" | |
| def get_loading_logs(): | |
| """Get formatted loading logs""" | |
| global LOADING_LOGS | |
| if not LOADING_LOGS: | |
| return "No loading attempts yet." | |
| return "\n".join(LOADING_LOGS) | |
| def suggest_premium_settings(): | |
| """Suggest optimal settings for current model""" | |
| if MODEL is None: | |
| return "Load a premium model first." | |
| model_name = MODEL_INFO['name'] | |
| max_frames = MODEL_INFO['max_frames'] | |
| fps = MODEL_INFO['fps'] | |
| max_duration = max_frames / fps | |
| return f"""## 🎯 Optimal Settings for {model_name} | |
| **🚀 Maximum Quality:** | |
| - Frames: {max_frames} (full {max_duration:.1f} second video) | |
| - Inference Steps: 50+ | |
| - Guidance Scale: {6.0 if 'CogVideo' in model_name else 7.5} | |
| - Resolution: {MODEL_INFO['resolution_options'][-1]} | |
| **⚖️ Balanced (Recommended):** | |
| - Frames: {max_frames//2} ({max_frames//2/fps:.1f} second video) | |
| - Inference Steps: 35-50 | |
| - Guidance Scale: {6.0 if 'CogVideo' in model_name else 7.5} | |
| **⚡ Fast Test:** | |
| - Frames: 25 ({25/fps:.1f} second video) | |
| - Inference Steps: 30 | |
| - Guidance Scale: {6.0 if 'CogVideo' in model_name else 7.5} | |
| **📝 Premium Prompting Tips:** | |
| - Be very specific and detailed | |
| - Include camera movements: "slow zoom", "tracking shot" | |
| - Describe lighting: "golden hour", "cinematic lighting" | |
| - Add style: "professional cinematography", "8K quality" | |
| - Mention motion: "smooth movement", "graceful motion" | |
| **Example Premium Prompt:** | |
| "A majestic golden eagle soaring gracefully through misty mountain peaks during golden hour, cinematic tracking shot with shallow depth of field, professional wildlife cinematography, smooth gliding motion, warm sunset lighting, 8K quality" | |
| Remember: Longer videos need more detailed prompts to maintain coherence!""" | |
| # Create premium interface | |
| with gr.Blocks(title="H200 Premium Video Generator", theme=gr.themes.Glass()) as demo: | |
| gr.Markdown(""" | |
| # 🎯 H200 Premium Video Generator | |
| **Premium Models Only** • **Long-Form Videos** • **Professional Quality** | |
| *CogVideoX-5B • LTX-Video • No Low-Quality Fallbacks* | |
| """) | |
| # Premium status | |
| with gr.Row(): | |
| gr.Markdown(""" | |
| <div style="background: linear-gradient(45deg, #FFD700, #FF6B6B); padding: 15px; border-radius: 15px; text-align: center; color: white; font-weight: bold; font-size: 18px;"> | |
| 🏆 PREMIUM MODE - H200 MIG 69.5GB - QUALITY PRIORITY 🏆 | |
| </div> | |
| """) | |
| with gr.Tab("🎬 Premium Generation"): | |
| with gr.Row(): | |
| with gr.Column(scale=1): | |
| prompt_input = gr.Textbox( | |
| label="📝 Detailed Video Prompt (Premium Quality)", | |
| placeholder="A breathtaking aerial view of a majestic golden eagle soaring gracefully through dramatic mountain peaks shrouded in morning mist, cinematic wildlife documentary style with slow motion tracking shot, professional cinematography with warm golden hour lighting and shallow depth of field, smooth gliding motion across epic landscape, 8K quality with film grain texture...", | |
| lines=5, | |
| max_lines=8 | |
| ) | |
| negative_prompt_input = gr.Textbox( | |
| label="🚫 Negative Prompt (Optional - auto-applied for quality)", | |
| placeholder="blurry, low quality, distorted, pixelated, compression artifacts, watermark, text, signature, amateur, static, boring, jerky motion...", | |
| lines=2 | |
| ) | |
| with gr.Accordion("🎯 Premium Settings", open=True): | |
| with gr.Row(): | |
| num_frames = gr.Slider( | |
| minimum=16, | |
| maximum=49, | |
| value=49, | |
| step=1, | |
| label="🎬 Video Frames (16 = 2s, 49 = 6s+)" | |
| ) | |
| resolution = gr.Dropdown( | |
| choices=["720x480", "480x720"], | |
| value="720x480", | |
| label="📐 Resolution" | |
| ) | |
| with gr.Row(): | |
| num_steps = gr.Slider( | |
| minimum=30, | |
| maximum=100, | |
| value=50, | |
| step=5, | |
| label="⚙️ Inference Steps (50+ for premium quality)" | |
| ) | |
| guidance_scale = gr.Slider( | |
| minimum=4.0, | |
| maximum=10.0, | |
| value=6.0, | |
| step=0.5, | |
| label="🎯 Guidance Scale" | |
| ) | |
| seed = gr.Number( | |
| label="🎲 Seed (-1 for random)", | |
| value=-1, | |
| precision=0 | |
| ) | |
| generate_btn = gr.Button( | |
| "🎯 Generate Premium Video", | |
| variant="primary", | |
| size="lg" | |
| ) | |
| gr.Markdown(""" | |
| **⏱️ Premium Generation:** 2-5 minutes for quality | |
| **🎥 Output:** 2-6+ second high-quality videos | |
| **💡 Premium Tips:** | |
| - Use very detailed, specific prompts | |
| - Higher inference steps = better quality | |
| - Longer videos need more descriptive prompts | |
| """) | |
| with gr.Column(scale=1): | |
| video_output = gr.Video( | |
| label="🎥 Premium H200 Generated Video", | |
| height=400 | |
| ) | |
| result_text = gr.Textbox( | |
| label="📋 Premium Generation Report", | |
| lines=12, | |
| show_copy_button=True | |
| ) | |
| # Generate button | |
| generate_btn.click( | |
| fn=generate_premium_video, | |
| inputs=[ | |
| prompt_input, negative_prompt_input, num_frames, | |
| resolution, num_steps, guidance_scale, seed | |
| ], | |
| outputs=[video_output, result_text] | |
| ) | |
| # Premium examples | |
| gr.Examples( | |
| examples=[ | |
| [ | |
| "A majestic golden eagle soaring gracefully through misty mountain peaks during golden hour, cinematic wildlife documentary style with slow motion tracking shot, professional cinematography with warm lighting and shallow depth of field, smooth gliding motion, 8K quality", | |
| "blurry, low quality, static, amateur, pixelated", | |
| 49, "720x480", 50, 6.0, 42 | |
| ], | |
| [ | |
| "Ocean waves crashing against dramatic coastal cliffs during a storm, professional seascape cinematography with dynamic camera movement, slow motion water spray and foam, dramatic lighting with storm clouds, high contrast and deep blues, cinematic quality", | |
| "calm, peaceful, low quality, static, boring", | |
| 41, "720x480", 60, 6.5, 123 | |
| ], | |
| [ | |
| "A steaming artisanal coffee cup on rustic wooden table by rain-streaked window, cozy cafe atmosphere with warm ambient lighting, shallow depth of field with bokeh background, steam rising elegantly, professional commercial cinematography, intimate close-up shot", | |
| "cold, harsh lighting, plastic, fake, low quality, distorted", | |
| 33, "720x480", 45, 6.0, 456 | |
| ], | |
| [ | |
| "Time-lapse of cherry blossom petals falling like snow in traditional Japanese garden with wooden bridge over koi pond, peaceful zen atmosphere with soft natural lighting, seasonal transition captured in cinematic wide shot, perfect composition and color grading", | |
| "modern, urban, chaotic, low quality, static, artificial", | |
| 49, "720x480", 55, 6.5, 789 | |
| ] | |
| ], | |
| inputs=[prompt_input, negative_prompt_input, num_frames, resolution, num_steps, guidance_scale, seed] | |
| ) | |
| with gr.Tab("🎯 Premium Status"): | |
| with gr.Row(): | |
| status_btn = gr.Button("🔍 Model Status", variant="secondary") | |
| logs_btn = gr.Button("📋 Loading Logs", variant="secondary") | |
| settings_btn = gr.Button("⚙️ Optimal Settings", variant="secondary") | |
| status_output = gr.Markdown() | |
| logs_output = gr.Textbox(label="Detailed Logs", lines=12, show_copy_button=True) | |
| settings_output = gr.Markdown() | |
| status_btn.click(fn=get_model_status, outputs=status_output) | |
| logs_btn.click(fn=get_loading_logs, outputs=logs_output) | |
| settings_btn.click(fn=suggest_premium_settings, outputs=settings_output) | |
| # Auto-load status | |
| demo.load(fn=get_model_status, outputs=status_output) | |
| if __name__ == "__main__": | |
| demo.queue(max_size=2) # Premium quality needs smaller queue | |
| demo.launch( | |
| share=False, | |
| server_name="0.0.0.0", | |
| server_port=7860, | |
| show_error=True | |
| ) |