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suppress ffmpeg output
Summary: Restore the suppression of ffmpeg output. Reviewed By: shapovalov Differential Revision: D40296595 fbshipit-source-id: 41b2c14b6f6245f77e0ef6cc94fa7b41fbb83e33
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@ -116,7 +116,7 @@ class VideoWriter:
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self.frames.append(outfile)
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self.frame_num += 1
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def get_video(self) -> str:
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def get_video(self, quiet: bool = True) -> str:
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"""
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Generate the video from the written frames.
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@ -155,8 +155,12 @@ class VideoWriter:
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"yuv420p",
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self.out_path,
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]
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subprocess.check_call(args)
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if quiet:
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subprocess.check_call(
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args, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL
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)
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else:
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subprocess.check_call(args)
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else:
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raise ValueError("no such output type %s" % str(self.output_format))
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