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mix 2 mono channels into stereo(common for fcp dv mov files)

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j 2014-02-13 20:02:20 +05:30
parent b3d3d57e36
commit 3ab9a32627
1 changed files with 9 additions and 1 deletions
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8
pandora_client/extract.py
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@ -245,6 +245,14 @@ def video_cmd(video, target, profile, info):
n = 0
else:
n = 1
#mix 2 mono channels into stereo(common for fcp dv mov files)
if len(info['audio']) == 2 \
and len(filter(None, [a['channels'] == 1 or None for a in info['audio']])) == 2:
video_settings += [
'-filter_complex',
'[0.%s][0.%s] amerge' % (info['audio'][0]['id'], info['audio'][1]['id'])
]
else:
video_settings += ['-map', '0:%s,0:%s' % (info['audio'][0]['id'], n)]
audio_settings = ['-ar', str(audiorate), '-aq', str(audioquality)]
ac = info['audio'][0].get('channels', audiochannels)