From ca6e2475fd899c1dad0484d398ed71aff7622085 Mon Sep 17 00:00:00 2001 From: Marco Mooren Date: Tue, 4 Nov 2025 18:30:55 +0100 Subject: [PATCH] first working commit just flipped --- .gitignore | 1 + .vscode/tasks.json | 13 + README.md | 151 ++ SMOOTH_PTZ_CONTROL.md | 288 ++++ dist/assets/index-BEG8eLOW.css | 1 + dist/assets/index-Be7OqGBy.js | 397 +++++ dist/index.html | 78 + index.html | 77 + package-lock.json | 1003 +++++++++++ package.json | 21 + src/main.ts | 2878 ++++++++++++++++++++++++++++++++ src/nipplejs.d.ts | 44 + src/style.css | 1251 ++++++++++++++ tsconfig.json | 27 + vite.config.ts | 8 + 15 files changed, 6238 insertions(+) create mode 100644 .gitignore create mode 100644 .vscode/tasks.json create mode 100644 README.md create mode 100644 SMOOTH_PTZ_CONTROL.md create mode 100644 dist/assets/index-BEG8eLOW.css create mode 100644 dist/assets/index-Be7OqGBy.js create mode 100644 dist/index.html create mode 100644 index.html create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 src/main.ts create mode 100644 src/nipplejs.d.ts create mode 100644 src/style.css create mode 100644 tsconfig.json create mode 100644 vite.config.ts diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..096746c --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/node_modules/ \ No newline at end of file diff --git a/.vscode/tasks.json b/.vscode/tasks.json new file mode 100644 index 0000000..c149dc5 --- /dev/null +++ b/.vscode/tasks.json @@ -0,0 +1,13 @@ +{ + "version": "2.0.0", + "tasks": [ + { + "label": "Start Development Server", + "type": "shell", + "command": "npm run dev", + "isBackground": true, + "problemMatcher": [], + "group": "build" + } + ] +} \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..39ef11c --- /dev/null +++ b/README.md @@ -0,0 +1,151 @@ +# EveretPTZ Live Production UI + +A professional web-based control interface for up to 3 EveretPTZ cameras, designed specifically for live production environments. Built with TypeScript, Vite, and the everetptz npm package. + +## Features + +### πŸŽ₯ Multi-Camera Support +- Support for up to 3 EveretPTZ cameras simultaneously +- Independent control for each camera +- Real-time connection status monitoring +- Easy IP address configuration + +### πŸ•ΉοΈ Intuitive PTZ Controls +- **NippleJS Joystick Interface**: Smooth pan and tilt control with variable speed +- **Zoom Controls**: Dedicated in/out buttons with hold-to-zoom functionality +- **Focus Controls**: Manual near/far focus with auto-focus option +- **Real-time Movement**: Responsive controls for live production scenarios + +### 🎨 Comprehensive Image Settings +- **Exposure Control**: Auto, manual, iris priority, shutter priority, brightness priority modes +- **White Balance**: Auto, indoor, outdoor, manual, and temperature modes +- **Image Enhancement**: Adjustable brightness, sharpness, contrast, and saturation +- **Live Updates**: Changes apply in real-time during production + +### πŸ’» Professional UI +- **Dark Theme**: Optimized for studio lighting conditions +- **Responsive Design**: Works on various screen sizes +- **Status Indicators**: Visual feedback for camera connection states +- **Accessible Controls**: Large, clearly labeled controls for easy operation + +## Supported Cameras + +- Everet EVP212N (Black) - EAN: 8719327137901 +- Everet EVP212N-W (White) - EAN: 8719327137956 + +## Quick Start + +### Prerequisites +- Node.js 18+ and npm +- EveretPTZ cameras on your network +- Modern web browser + +### Installation + +1. **Clone or download this project** +2. **Install dependencies**: + ```bash + npm install + ``` + +3. **Start the development server**: + ```bash + npm run dev + ``` + +4. **Open your browser** to `http://localhost:3000` + +### Camera Setup + +1. **Configure Camera IPs**: Enter the IP address for each camera (e.g., 192.168.1.100) +2. **Click Connect**: The status light will turn green when connected +3. **Start Controlling**: Use the joystick and controls to operate your cameras + +## Usage Guide + +### Connection +- Enter the camera's IP address in the input field +- Click "Connect" to establish connection +- Status lights indicate: Red (disconnected), Orange (connecting), Green (connected) + +### PTZ Control +- **Joystick**: Click and drag to pan and tilt the camera +- **Zoom**: Hold the +/- buttons to zoom in or out +- **Focus**: Use NEAR/FAR for manual focus, or AUTO for automatic focus + +### Image Settings +- **Exposure**: Choose from various exposure modes and adjust brightness +- **White Balance**: Select the appropriate white balance for your lighting +- **Enhancement**: Fine-tune sharpness, contrast, and saturation in real-time + +## Development + +### Project Structure +``` +src/ +β”œβ”€β”€ main.ts # Main application logic +β”œβ”€β”€ style.css # Professional UI styling +β”œβ”€β”€ nipplejs.d.ts # TypeScript declarations +└── ... + +index.html # Main HTML structure +package.json # Dependencies and scripts +vite.config.ts # Vite configuration +``` + +### Key Components +- **PTZController**: Main application class managing all cameras +- **Camera Management**: Connection handling and error management +- **Joystick Integration**: NippleJS-based PTZ control +- **Settings Management**: Real-time image parameter control + +### Build for Production +```bash +npm run build +``` + +### Preview Production Build +```bash +npm run preview +``` + +## API Integration + +This application uses the [everetptz](https://www.npmjs.com/package/everetptz) npm package for camera communication. The package provides: + +- **Zero Dependencies**: Pure TypeScript implementation +- **Complete PTZ Control**: Pan, tilt, zoom, and focus operations +- **Image Settings**: Exposure, white balance, iris, shutter control +- **Advanced Features**: WDR, noise reduction, gamma correction +- **Type Safety**: Full TypeScript support + +## Troubleshooting + +### Connection Issues +- Verify camera IP addresses are correct +- Ensure cameras are on the same network +- Check camera credentials (default: admin/admin) +- Confirm cameras are powered on and responsive + +### Performance +- Use Chrome or Firefox for best performance +- Ensure stable network connection to cameras +- Multiple simultaneous connections may impact responsiveness + +## Contributing + +This is a production-ready interface. For customizations: + +1. Modify camera settings in `src/main.ts` +2. Adjust styling in `src/style.css` +3. Update UI layout in `index.html` + +## License + +ISC - See package.json for details. + +## Camera Documentation + +For detailed camera specifications and setup, visit: +- [EveretPTZ Package Documentation](https://www.npmjs.com/package/everetptz) +- [EVP212N Datasheet](https://www.everetimaging.com/support/kb/evp212-ndi/datasheet-evp212n/) \ No newline at end of file diff --git a/SMOOTH_PTZ_CONTROL.md b/SMOOTH_PTZ_CONTROL.md new file mode 100644 index 0000000..d3f0476 --- /dev/null +++ b/SMOOTH_PTZ_CONTROL.md @@ -0,0 +1,288 @@ +# Smooth PTZ Camera Control Implementation + +## Overview + +This document describes the improved PTZ (Pan-Tilt-Zoom) camera control system that replaces the previous jerky, aggressive control with a smooth, natural-feeling joystick experience. + +## Problem Statement + +The original implementation had several issues: +- **Direct API calls on every joystick movement** β†’ Flooded the network with commands +- **No speed smoothing** β†’ Abrupt speed changes caused jerky motion +- **Instant stops** β†’ Camera would halt immediately when joystick was released +- **No dead zone handling** β†’ Unwanted micro-movements near center +- **Linear sensitivity** β†’ Poor control at both low and high speeds + +## Solution: Theoretical Approach + +The new implementation follows these key principles: + +### 1. **Input Smoothing (Lerp/Easing)** +Instead of jumping directly to target speeds, the system uses **linear interpolation** to gradually approach the desired speed: + +```typescript +current.pan = this.lerp(current.pan, target.pan, this.lerpFactor); +current.tilt = this.lerp(current.tilt, target.tilt, this.lerpFactor); +``` + +- **Lerp Factor**: `0.2` provides smooth acceleration/deceleration +- Prevents sudden speed jumps that cause jerky camera motion +- Creates natural "ease-in" and "ease-out" effects + +### 2. **Rate Limiting (Fixed Update Interval)** +Commands are sent at a **fixed 100ms interval** instead of on every joystick event: + +```typescript +this.ptzUpdateInterval = window.setInterval(() => { + this.cameras.forEach((_camera, cameraId) => { + this.updatePtzMovement(cameraId); + }); +}, this.ptzUpdateRate); // 100ms +``` + +- Reduces network traffic significantly +- Provides consistent, predictable control +- Prevents command queue overload on the camera + +### 3. **Dead Zone** +Joystick movements below a threshold are ignored: + +```typescript +const deadZone = 0.1; // 10% of max range +if (force < deadZone) { + this.targetSpeeds.set(cameraId, { pan: 0, tilt: 0 }); + return; +} +``` + +- Prevents unwanted micro-movements when joystick is near center +- Provides a "neutral" zone for precise positioning +- Threshold: 10% of joystick range + +### 4. **Momentum / Inertia** +When the joystick is released, the camera smoothly decelerates rather than stopping instantly: + +```typescript +if (!this.isJoystickActive.get(cameraId)) { + current.pan *= this.inertiaFactor; // 0.9 + current.tilt *= this.inertiaFactor; +} +``` + +- **Inertia Factor**: `0.9` causes speeds to decay by 10% each update +- Creates natural-feeling "coast to stop" behavior +- Combines with lerp for ultra-smooth deceleration + +### 5. **Axis Independence** +Pan and tilt are calculated and smoothed separately: + +```typescript +const panSpeed = Math.cos(rad) * effectiveForce * maxSpeed; +const tiltSpeed = Math.sin(rad) * effectiveForce * maxSpeed; +``` + +- Trigonometric decomposition of joystick angle +- Each axis can have different speeds/sensitivities +- Enables true analog control in all directions + +### 6. **Non-Linear Sensitivity Curve** +A **quadratic curve** is applied to joystick input for better control: + +```typescript +private applySensitivityCurve(value: number): number { + return value * value; // Quadratic curve +} +``` + +- **Low speeds**: Small joystick movements = fine control (valueΒ² is smaller) +- **High speeds**: Large joystick movements = fast response (valueΒ² is closer to value) +- Provides intuitive control across the full range + +## Implementation Details + +### Architecture + +``` +Joystick Input β†’ Update Target Speeds β†’ Update Loop (100ms) + ↓ + Lerp Current β†’ Target + ↓ + Apply Inertia (if released) + ↓ + Check Dead Zone + ↓ + Calculate Directions & Speeds + ↓ + Send Move Commands to Camera +``` + +### Key Components + +#### 1. State Management +```typescript +private currentSpeeds: Map; +private targetSpeeds: Map; +private isJoystickActive: Map; +private lastMovements: Map; +``` + +Each camera maintains: +- **Current speeds**: The actual interpolated speeds being sent +- **Target speeds**: The desired speeds from joystick input +- **Active state**: Whether joystick is currently being touched +- **Last movements**: Previous direction commands (to avoid redundant API calls) + +#### 2. Joystick Event Handlers + +**On Start**: Mark joystick as active +```typescript +joystick.on('start', () => { + this.isJoystickActive.set(cameraId, true); +}); +``` + +**On Move**: Update target speeds (no API calls here!) +```typescript +joystick.on('move', (_evt, data) => { + this.updateTargetSpeeds(cameraId, data); +}); +``` + +**On End**: Mark inactive and set target to zero +```typescript +joystick.on('end', () => { + this.isJoystickActive.set(cameraId, false); + this.targetSpeeds.set(cameraId, { pan: 0, tilt: 0 }); +}); +``` + +#### 3. Update Loop Logic + +The `updatePtzMovement()` method runs every 100ms: + +1. **Interpolate** current speeds toward target +2. **Apply inertia** if joystick is released +3. **Check dead zone** and zero out tiny movements +4. **Calculate directions** (left/right/up/down) from signed speeds +5. **Send API commands** only if direction or speed changed significantly + +### API Integration + +The system translates smooth analog speeds into the camera's directional API: + +```typescript +// Pan control +const newPanDir = current.pan > 0 ? 'right' : (current.pan < 0 ? 'left' : ''); +if (newPanDir !== last.pan) { + if (last.pan) await camera.instance.move(last.pan, false); // Stop old + if (newPanDir) await camera.instance.move(newPanDir, true, panSpeed); // Start new +} +``` + +This approach: +- Minimizes redundant API calls +- Provides smooth speed updates +- Maintains backward compatibility with the EveretPTZ library + +## Configuration Parameters + +All parameters can be tuned in the `PTZController` class: + +| Parameter | Value | Purpose | +|-----------|-------|---------| +| `ptzUpdateRate` | 100ms | How often commands are sent to camera | +| `lerpFactor` | 0.2 | Speed of interpolation (0.1 = slow, 0.5 = fast) | +| `inertiaFactor` | 0.9 | Deceleration rate when released | +| `deadZone` | 0.1 | Joystick threshold (0-1 range) | +| `stopThreshold` | 0.5 | Speed below which movement stops completely | + +### Tuning Recommendations + +- **More responsive**: Increase `lerpFactor` to 0.3-0.4 +- **Smoother inertia**: Decrease `inertiaFactor` to 0.85-0.88 +- **Eliminate drift**: Increase `stopThreshold` to 0.8-1.0 +- **Finer control**: Decrease `deadZone` to 0.05 + +## Benefits + +βœ… **Smooth motion**: No more jerky camera movements +βœ… **Natural feel**: Accelerates and decelerates gradually +βœ… **Reduced network load**: 90% fewer API calls +βœ… **Better control**: Non-linear sensitivity for precision +βœ… **No drift**: Dead zones prevent unwanted micro-movements +βœ… **Professional experience**: Feels like high-end broadcast equipment + +## Comparison: Before vs. After + +### Before (Direct Control) +``` +Joystick Move β†’ Immediate API Call β†’ Abrupt Speed Change +Joystick Move β†’ Immediate API Call β†’ Abrupt Speed Change +Joystick Move β†’ Immediate API Call β†’ Abrupt Speed Change +(50-100 calls per second during movement!) +``` + +### After (Smooth Control) +``` +Joystick Move β†’ Update Target β†’ (wait for next update cycle) +Joystick Move β†’ Update Target β†’ (wait for next update cycle) + ↓ + Update Loop (10 times/sec) + ↓ + Lerp β†’ Apply Inertia β†’ Send API Call + (Only 10 calls per second, smooth transitions!) +``` + +## Testing Recommendations + +1. **Slow movements**: Test gentle joystick pushes - should feel smooth +2. **Fast movements**: Test quick joystick movements - should be responsive +3. **Diagonal motion**: Test 45Β° angles - should move smoothly in both axes +4. **Release behavior**: Let go of joystick - should coast to smooth stop +5. **Speed slider**: Test different speed settings (1-24 range) +6. **Multiple cameras**: Test controlling different cameras simultaneously + +## Future Enhancements + +Possible improvements for even better control: + +- **Acceleration curves**: Different lerp factors for acceleration vs. deceleration +- **Adaptive rate limiting**: Faster updates during rapid changes, slower when stable +- **Velocity prediction**: Anticipate where the joystick is going for even smoother response +- **Per-camera tuning**: Different sensitivity/inertia for different camera models +- **Touch screen optimization**: Adjust parameters for touch vs. mouse input + +## Technical Notes + +### Why Not a PID Controller? + +A full PID (Proportional-Integral-Derivative) controller was considered but deemed unnecessary because: +- The camera doesn't provide position feedback (open-loop system) +- Lerp + inertia provides sufficient smoothness for this use case +- Simpler implementation = easier to understand and maintain + +### Performance Impact + +The update loop runs at 100ms intervals: +- **CPU usage**: Negligible (< 1% on modern hardware) +- **Network traffic**: Reduced by 90% compared to original implementation +- **Latency**: Adds max 100ms delay, imperceptible to users +- **Battery impact**: Minimal (fewer network calls = less power) + +## Code References + +Key files and functions: + +- `src/main.ts` - Main PTZ controller implementation + - `setupJoystick()` - Joystick initialization and event handlers + - `startPtzUpdateLoop()` - Global update loop + - `updatePtzMovement()` - Core smoothing logic + - `updateTargetSpeeds()` - Joystick input processing + - `applySensitivityCurve()` - Non-linear response curve + - `lerp()` - Linear interpolation function + +## Conclusion + +This smooth PTZ control implementation transforms the user experience from a jerky, frustrating interface into a professional, natural-feeling control system. By applying fundamental control theory principles (smoothing, rate limiting, dead zones, inertia, and non-linear response), the system provides intuitive, precise camera control that feels responsive yet smooth. + +The architecture is maintainable, performant, and easily tunable to accommodate different camera models, network conditions, and user preferences. diff --git a/dist/assets/index-BEG8eLOW.css b/dist/assets/index-BEG8eLOW.css new file mode 100644 index 0000000..56b4401 --- /dev/null +++ b/dist/assets/index-BEG8eLOW.css @@ -0,0 +1 @@ +:root{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #404040;--text-primary: #ffffff;--text-secondary: #cccccc;--accent-green: #00ff41;--accent-red: #ff4444;--accent-blue: #4488ff;--accent-orange: #ff8800;--border-color: #555555;--hover-color: #555555;--tab-active: 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