change from asyncio to normal thread

This commit is contained in:
Sem van der Hoeven
2023-06-02 15:33:22 +02:00
parent 50eafe6720
commit 1a7efcfa23
2 changed files with 46 additions and 4 deletions

View File

@@ -57,10 +57,6 @@ class CameraController(Node):
return response
def handle_video_connection(self):
self.get_logger().info('Starting video thread')
asyncio.run(self.send_video())
async def send_video(self):
self.get_logger().info('Starting sending video')
vid = cv2.VideoCapture(0)

46
test_stream.py Normal file
View File

@@ -0,0 +1,46 @@
import cv2
import requests
video_url = "http://10.1.1.41:8080/video"
# Set the headers for the POST request
headers = {'Content-Type': 'application/octet-stream'}
vid = cv2.VideoCapture(0)
# vid.set(cv2.CAP_PROP_FRAME_WIDTH, RES_4K_W)
# vid.set(cv2.CAP_PROP_FRAME_HEIGHT, RES_4K_H)
while True:
try:
while vid.isOpened():
pass
ret, frame = vid.read()
if not ret:
# If reading the frame failed, break the loop
break
# Convert the frame to bytes
_, img_encoded = cv2.imencode('.jpg', frame)
frame_data = img_encoded.tobytes()
# Send the frame data as the request body
response = requests.post(video_url, data=frame_data, headers=headers)
# Check the response status
if response.status_code == 200:
print('Frame sent successfully.')
else:
print('Failed to send frame.')
# if self.websocket is not None:
# img,frame = vid.read()
# frame = cv2.resize(frame,(640,480))
# encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), 65]
# man = cv2.imencode('.jpg', frame, encode_param)[1]
# self.get_logger().info('Sending video')
# asyncio.ensure_future(self.websocket.send(man.tobytes()),loop=self.event_loop)
# await asyncio.sleep(1)
# else:
# self.get_logger().info('No websocket connection')
except Exception as e:
print('Something went wrong while reading and sending video: ' + str(e))