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#!/usr/bin/env python3
"""
Test camera access directly
"""
import cv2
import time
def test_camera():
print("🔍 Testing camera access...")
# Try to open camera
cap = cv2.VideoCapture(0)
if not cap.isOpened():
print("❌ Error: Could not open camera")
print(" Possible causes:")
print(" - Camera is being used by another application")
print(" - Camera permissions not granted")
print(" - No camera available")
return False
print("✅ Camera opened successfully")
# Get camera properties
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
fps = int(cap.get(cv2.CAP_PROP_FPS))
print(f" Resolution: {width}x{height}")
print(f" FPS: {fps}")
# Try to read a frame
ret, frame = cap.read()
if not ret:
print("❌ Error: Could not read frame from camera")
cap.release()
return False
print("✅ Successfully read frame from camera")
print(f" Frame shape: {frame.shape}")
# Test reading a few frames
frames_read = 0
start_time = time.time()
for i in range(10):
ret, frame = cap.read()
if ret:
frames_read += 1
time.sleep(0.1)
elapsed = time.time() - start_time
actual_fps = frames_read / elapsed
print(f" Read {frames_read}/10 frames successfully")
print(f" Actual FPS: {actual_fps:.1f}")
cap.release()
if frames_read >= 8: # Allow for some dropped frames
print("✅ Camera test PASSED")
return True
else:
print("❌ Camera test FAILED - too many dropped frames")
return False
if __name__ == "__main__":
test_camera() |