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cache the computed jpg bytes to reduce cpu usage

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Blake Blackshear
2019-12-15 07:25:40 -06:00
parent b7b4e38f62
commit 6c87ce0879
2 changed files with 21 additions and 4 deletions
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4
detect_objects.py
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@@ -123,10 +123,8 @@ def main():
# max out at 1 FPS
time.sleep(1)
frame = cameras[camera_name].get_current_frame_with_objects()
# encode the image into a jpg
ret, jpg = cv2.imencode('.jpg', frame)
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' + jpg.tobytes() + b'\r\n\r\n')
b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
app.run(host='0.0.0.0', port=WEB_PORT, debug=False)