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47 lines
1.1 KiB
47 lines
1.1 KiB
6 years ago
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#!/usr/bin/env python3
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import os
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import subprocess
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from PIL import Image
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import time
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import signal
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from selfdrive.visiond.snapshot.visionipc import VisionIPC
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def jpeg_write(fn, dat):
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img = Image.fromarray(dat)
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img.save(fn, "JPEG")
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def snapshot():
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# note: super sketch race condition if you start the car at the same time at this
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# TODO: lock car starting?
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ps = subprocess.Popen("ps | grep visiond", shell=True, stdout=subprocess.PIPE)
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ret = list(filter(lambda x: 'grep ' not in x, ps.communicate()[0].decode('utf-8').strip().split("\n")))
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if len(ret) > 0:
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return None
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proc = subprocess.Popen(os.path.join(os.getenv("HOME"), "one/selfdrive/visiond/visiond"), cwd=os.path.join(os.getenv("HOME"), "one/selfdrive/visiond"))
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time.sleep(6.0)
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ret = None
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try:
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ipc = VisionIPC()
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pic = ipc.get()
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del ipc
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ipc_front = VisionIPC(front=True)
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fpic = ipc_front.get()
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del ipc_front
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ret = pic, fpic
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finally:
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proc.send_signal(signal.SIGINT)
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proc.communicate()
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return ret
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if __name__ == "__main__":
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pic, fpic = snapshot()
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jpeg_write("/tmp/back.jpg", pic)
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jpeg_write("/tmp/front.jpg", fpic)
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