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YouTube Usage example comments (#10106)

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* YouTube Usage example comments

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update dataloaders.py

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Glenn Jocher 2022-11-09 17:20:26 +01:00 committed by GitHub
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utils/dataloaders.py
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@ -353,6 +353,7 @@ class LoadStreams:
# Start thread to read frames from video stream # Start thread to read frames from video stream
st = f'{i + 1}/{n}: {s}... ' st = f'{i + 1}/{n}: {s}... '
if urlparse(s).hostname in ('www.youtube.com', 'youtube.com', 'youtu.be'): # if source is YouTube video if urlparse(s).hostname in ('www.youtube.com', 'youtube.com', 'youtu.be'): # if source is YouTube video
# YouTube format i.e. 'https://www.youtube.com/watch?v=Zgi9g1ksQHc' or 'https://youtu.be/Zgi9g1ksQHc'
check_requirements(('pafy', 'youtube_dl==2020.12.2')) check_requirements(('pafy', 'youtube_dl==2020.12.2'))
import pafy import pafy
s = pafy.new(s).getbest(preftype="mp4").url # YouTube URL s = pafy.new(s).getbest(preftype="mp4").url # YouTube URL