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improve frame extraction, #849

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j 2013-07-22 09:26:22 +02:00
parent 3c9bb6b94f
commit 2f9b07c03d
1 changed files with 6 additions and 1 deletions
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7
pandora_client/extract.py
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@ -60,7 +60,12 @@ def frame(video, target, position):
return r == 0
'''
#ffmpeg
cmd = [command('ffmpeg'), '-y', '-ss', str(position), '-i', video, '-an', '-vframes', '1', target]
pre = position - 2
if pre < 0:
pre = 0
else:
position = 2
cmd = [command('ffmpeg'), '-y', '-ss', str(pre), '-i', video, '-ss', str(position), '-an', '-vframes', '1', target]
r = run_command(cmd)
return r == 0