update tracker

debug/test_camera_indices.py

@@ -0,0 +1,142 @@
+#!/usr/bin/env python3
+"""
+Test script to check available camera indices
+"""
+
+import cv2
+import logging
+import sys
+import subprocess
+
+# Configure logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s"
+)
+logger = logging.getLogger("camera_index_test")
+
+def test_camera_index(index):
+    """Test if a camera index is available"""
+    try:
+        cap = cv2.VideoCapture(index)
+        if cap.isOpened():
+            ret, frame = cap.read()
+            if ret and frame is not None:
+                width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
+                height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
+                fps = cap.get(cv2.CAP_PROP_FPS)
+                
+                cap.release()
+                return True, f"{width}x{height} @ {fps}fps"
+            else:
+                cap.release()
+                return False, "Can open but cannot read frames"
+        else:
+            cap.release()
+            return False, "Cannot open camera"
+    except Exception as e:
+        return False, f"Error: {str(e)}"
+
+def get_windows_cameras_ffmpeg():
+    """Get available cameras on Windows using FFmpeg"""
+    try:
+        result = subprocess.run(['ffmpeg', '-f', 'dshow', '-list_devices', 'true', '-i', 'dummy'], 
+                              capture_output=True, text=True, timeout=10, encoding='utf-8', errors='ignore')
+        output = result.stderr
+        
+        lines = output.split('\n')
+        video_devices = []
+        
+        # Parse the output - look for lines with (video) that contain device names in quotes
+        for line in lines:
+            if '[dshow @' in line and '(video)' in line and '"' in line:
+                # Extract device name between first pair of quotes
+                start = line.find('"') + 1
+                end = line.find('"', start)
+                if start > 0 and end > start:
+                    device_name = line[start:end]
+                    video_devices.append(device_name)
+        
+        logger.info(f"FFmpeg detected video devices: {video_devices}")
+        return video_devices
+    except Exception as e:
+        logger.error(f"Failed to get Windows camera names: {e}")
+        return []
+
+def main():
+    logger.info("=== Camera Index Test ===")
+    
+    # Check FFmpeg availability for Windows device detection
+    ffmpeg_available = False
+    try:
+        result = subprocess.run(['ffmpeg', '-version'], capture_output=True, text=True, timeout=5)
+        if result.returncode == 0:
+            ffmpeg_available = True
+            logger.info("FFmpeg is available")
+    except:
+        logger.info("FFmpeg not available")
+    
+    # Get Windows camera names if possible
+    if sys.platform.startswith('win') and ffmpeg_available:
+        logger.info("\n=== Windows Camera Devices (FFmpeg) ===")
+        cameras = get_windows_cameras_ffmpeg()
+        if cameras:
+            for i, camera in enumerate(cameras):
+                logger.info(f"Device {i}: {camera}")
+        else:
+            logger.info("No cameras detected via FFmpeg")
+    
+    # Test camera indices 0-9
+    logger.info("\n=== Testing Camera Indices ===")
+    available_cameras = []
+    
+    for index in range(10):
+        logger.info(f"Testing camera index {index}...")
+        is_available, info = test_camera_index(index)
+        
+        if is_available:
+            logger.info(f"✓ Camera {index}: AVAILABLE - {info}")
+            available_cameras.append(index)
+        else:
+            logger.info(f"✗ Camera {index}: NOT AVAILABLE - {info}")
+    
+    # Summary
+    logger.info("\n=== Summary ===")
+    if available_cameras:
+        logger.info(f"Available camera indices: {available_cameras}")
+        logger.info(f"Default camera index to use: {available_cameras[0]}")
+        
+        # Test the first available camera more thoroughly
+        logger.info(f"\n=== Detailed Test for Camera {available_cameras[0]} ===")
+        cap = cv2.VideoCapture(available_cameras[0])
+        if cap.isOpened():
+            # Get properties
+            width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
+            height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
+            fps = cap.get(cv2.CAP_PROP_FPS)
+            backend = cap.getBackendName()
+            
+            logger.info(f"Resolution: {width}x{height}")
+            logger.info(f"FPS: {fps}")
+            logger.info(f"Backend: {backend}")
+            
+            # Test frame capture
+            ret, frame = cap.read()
+            if ret and frame is not None:
+                logger.info(f"Frame capture: SUCCESS")
+                logger.info(f"Frame shape: {frame.shape}")
+                logger.info(f"Frame dtype: {frame.dtype}")
+            else:
+                logger.info(f"Frame capture: FAILED")
+            
+            cap.release()
+    else:
+        logger.error("No cameras available!")
+        logger.info("Possible solutions:")
+        logger.info("1. Check if camera is connected and not used by another application")
+        logger.info("2. Check camera permissions")
+        logger.info("3. Try different camera indices")
+        logger.info("4. Install camera drivers")
+
+if __name__ == "__main__":
+    main()