Playout video at constant frames per sec
Change-Id: Ia81412abe2b2ffb17151d490691625aa784ef4c0
diff --git a/person_detection/app.py b/person_detection/app.py
index 1386d63..83a8d3d 100644
--- a/person_detection/app.py
+++ b/person_detection/app.py
@@ -8,6 +8,9 @@
from flask import Flask, render_template, Response
from argparse import ArgumentParser, SUPPRESS
+import fpstimer
+
+
# import camera driver
if os.environ.get('CAMERA'):
Camera = import_module('camera_' + os.environ['CAMERA']).Camera
@@ -29,10 +32,12 @@
def gen(camera):
"""Video streaming generator function."""
+ timer = fpstimer.FPSTimer(fps)
while True:
frame = camera.get_frame()
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n')
+ timer.sleep()
@app.route('/video_feed/<device>')
def video_feed(device):
@@ -56,11 +61,13 @@
default = "gstreamer", type=str)
args.add_argument("-pt", "--prob_threshold", help="Optional. Probability threshold for detections filtering",
default=0.0, type=float)
- args.add_argument("--idle", action='store_true', help="Idle if no clients connected")
+ args.add_argument("-fps", "--frames_per_sec", help="Frames per second",
+ default=15, type=float)
return parser
if __name__ == '__main__':
args = build_argparser().parse_args()
+ fps = args.frames_per_sec
app.run(host='0.0.0.0', debug=True)