Selector.register(self.stdout, selectors.EVENT_READ)įile "/usr/local/lib/python3.7/selectors.py", line 351, in register Stdout, stderr = self._communicate(input, endtime, timeout)įile "/usr/local/lib/python3.7/subprocess.py", line 1474, in _communicate I tried a few more tweaks in the code but always get the same response, which I do not know how to begin deciphering: Traceback (most recent call last):įile "/usr/local/lib/python3.7/contextlib.py", line 100, in _exit_įile "/usr/local/lib/python3.7/site-packages/matplotlib/animation.py", line 256, in savingįile "/usr/local/lib/python3.7/site-packages/matplotlib/animation.py", line 276, in finishįile "/usr/local/lib/python3.7/site-packages/matplotlib/animation.py", line 311, in cleanupįile "/usr/local/lib/python3.7/subprocess.py", line 836, in communicate I found here that explictly setting the path to ffmpeg might be necessary so I added this to the top of the test scripts: plt.rcParams = '/usr/local/bin/ffmpeg' anim.save('basic_animation.mp4', writer = FFwriter, fps=30, extra_args=) I tried to run a few sample examples I found online:Įverything works fine up until I try to save the animation file. I have confirmed that ffmpeg is installed, although I don't know anything about testing whether it works. I used the chromium source, and installed without a prefix option (using the default). I found this github gist on installing ffmpeg. I am on a CentOS 7 machine, running python3.7.0a0. I have covered a lot of ground on stack so far trying to get ffmpeg going so I can make a timelapse video.
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