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only use -map for audio if needed

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j 2016-09-19 19:57:33 +02:00
parent 16d10e1c3f
commit cad911a807
1 changed files with 4 additions and 4 deletions
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8
pandora/archive/extract.py
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@ -66,7 +66,7 @@ def supported_formats():
} }
def stream(video, target, profile, info, audio_track=0, flags={}): def stream(video, target, profile, info, audio_track=None, flags={}):
if not os.path.exists(target): if not os.path.exists(target):
ox.makedirs(os.path.dirname(target)) ox.makedirs(os.path.dirname(target))
@ -253,8 +253,7 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
n = 1 n = 1
audio_settings = [] audio_settings = []
# mix 2 mono channels into stereo(common for fcp dv mov files) # mix 2 mono channels into stereo(common for fcp dv mov files)
audio_map = [] if audio_track is None and len(info['audio']) == 2 \
if audio_track == 0 and len(info['audio']) == 2 \
and len(filter(None, [a['channels'] == 1 or None for a in info['audio']])) == 2: and len(filter(None, [a['channels'] == 1 or None for a in info['audio']])) == 2:
audio_settings += [ audio_settings += [
'-filter_complex', '-filter_complex',
@ -262,8 +261,9 @@ def stream(video, target, profile, info, audio_track=0, flags={}):
] ]
mono_mix = True mono_mix = True
else: else:
audio_settings += ['-map', '0:%s,0:%s' % (info['audio'][audio_track]['id'], n)]
mono_mix = False mono_mix = False
if audio_track is not None:
audio_settings += ['-map', '0:%s,0:%s' % (info['audio'][audio_track]['id'], n)]
audio_settings += ['-ar', str(audiorate)] audio_settings += ['-ar', str(audiorate)]
if audio_codec != 'libopus': if audio_codec != 'libopus':
audio_settings += ['-aq', str(audioquality)] audio_settings += ['-aq', str(audioquality)]