Create app.py

app.py

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+import gradio as gr
+import os
+import tempfile
+import shutil
+from datetime import datetime
+from pathlib import Path
+
+def save_video(video_path, filename=None):
+    """Save video to a temporary file for download"""
+    if video_path is None:
+        return "❌ Please upload or record a video first!", None
+    
+    # Generate filename if not provided
+    if not filename:
+        timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+        if hasattr(video_path, 'name'):
+            original_name = Path(video_path.name).stem
+            filename = f"{original_name}_{timestamp}.mp4"
+        else:
+            filename = f"video_{timestamp}.mp4"
+    elif not filename.endswith('.mp4'):
+        filename += '.mp4'
+    
+    # Create temp directory for the download file
+    temp_dir = tempfile.mkdtemp()
+    dest_path = os.path.join(temp_dir, filename)
+    
+    try:
+        # Copy the video to temp location
+        if isinstance(video_path, str) and os.path.exists(video_path):
+            shutil.copy2(video_path, dest_path)
+        else:
+            # Handle Gradio's temporary file object
+            with open(video_path, 'rb') as src:
+                with open(dest_path, 'wb') as dst:
+                    shutil.copyfileobj(src, dst)
+        
+        return f"✅ Video ready for download: {filename}", dest_path
+    
+    except Exception as e:
+        return f"❌ Error processing video: {str(e)}", None
+
+def clear_all():
+    """Clear all inputs and outputs"""
+    return None, None, None, ""
+
+def update_video_display(video_path):
+    """Update the video display when a new video is uploaded/recorded"""
+    if video_path:
+        return video_path, f"📹 Video loaded: {os.path.basename(video_path) if hasattr(video_path, 'name') else 'Recorded video'}"
+    return None, ""
+
+# Create the Gradio interface
+with gr.Blocks(
+    title="🎥 Simple Video Recorder",
+    theme=gr.themes.Soft(),
+    css="""
+    .gradio-container {max-width: 900px !important;}
+    .video-container {border-radius: 10px; overflow: hidden;}
+    .status-box {background: #f0f7ff; padding: 15px; border-radius: 8px; border-left: 4px solid #4a90e2;}
+    """
+) as demo:
+    
+    gr.Markdown("""
+    # 🎥 Simple Video Recorder
+    Record a video using your webcam or upload an existing video file. Then download it with a custom filename!
+    """)
+    
+    with gr.Row():
+        with gr.Column(scale=1):
+            gr.Markdown("### 📤 Input")
+            
+            video_input = gr.Video(
+                label="Record or Upload Video",
+                sources=["webcam", "upload"],
+                interactive=True,
+                include_audio=True,
+                show_download_button=False,
+                height=300,
+                elem_classes="video-container"
+            )
+            
+            filename_input = gr.Textbox(
+                label="Download Filename (optional)",
+                placeholder="my_video.mp4 or leave blank for auto-name",
+                info="Leave blank for automatic naming: originalname_timestamp.mp4"
+            )
+            
+            with gr.Row():
+                process_btn = gr.Button("📥 Prepare for Download", variant="primary", scale=2)
+                clear_btn = gr.Button("🗑️ Clear All", variant="secondary", scale=1)
+        
+        with gr.Column(scale=1):
+            gr.Markdown("### 📥 Output")
+            
+            status_output = gr.Textbox(
+                label="Status",
+                value="👋 Ready to record or upload a video!",
+                interactive=False,
+                lines=3,
+                elem_classes="status-box"
+            )
+            
+            video_display = gr.Video(
+                label="Preview",
+                interactive=False,
+                show_download_button=False,
+                height=300,
+                elem_classes="video-container"
+            )
+            
+            download_file = gr.File(
+                label="Download Video",
+                interactive=False,
+                file_types=[".mp4", ".mov", ".avi", ".webm"]
+            )
+    
+    # Update video display and status when video is uploaded/recorded
+    video_input.change(
+        fn=update_video_display,
+        inputs=[video_input],
+        outputs=[video_display, status_output]
+    )
+    
+    # Process video for download
+    process_btn.click(
+        fn=save_video,
+        inputs=[video_input, filename_input],
+        outputs=[status_output, download_file]
+    )
+    
+    # Clear all inputs and outputs
+    clear_btn.click(
+        fn=clear_all,
+        outputs=[video_input, video_display, download_file, status_output]
+    )
+    
+    # Instructions
+    gr.Markdown("""
+    ## 📋 How to Use:
+    1. **Record**: Click the webcam icon to record a video using your camera
+    2. **Upload**: Click the upload button to select a video file from your computer
+    3. **Optional**: Enter a custom filename for download (or leave blank for auto-naming)
+    4. **Prepare**: Click "Prepare for Download" to generate the downloadable file
+    5. **Download**: Click the download button that appears in the Download section
+    
+    ## 📝 Notes:
+    - Supported formats: MP4, MOV, AVI, WebM
+    - Videos are processed temporarily and can be downloaded immediately
+    - Use "Clear All" to start fresh
+    """)
+
+# Launch configuration
+if __name__ == "__main__":
+    demo.launch(
+        share=False,  # Set to True for public sharing link
+        debug=True,
+        server_name="0.0.0.0",
+        server_port=7860,
+        show_error=True
+    )