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replaygain: write album-level tags

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This commit is contained in:
Adrian Sampson 2012-10-15 14:42:28 -07:00
parent 9afaed534c
commit 672ac78e76
1 changed files with 21 additions and 7 deletions
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28
beetsplug/replaygain.py
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@ -96,7 +96,9 @@ class ReplayGainPlugin(BeetsPlugin):
media_files = \
[MediaFile(syspath(item.path)) for item in album.items()]
self.write_rgain(media_files, self.compute_rgain(media_files))
self.write_rgain(media_files,
self.compute_rgain(media_files),
True)
except (FileTypeError, UnreadableFileError,
TypeError, ValueError) as e:
@ -213,16 +215,28 @@ class ReplayGainPlugin(BeetsPlugin):
return self.parse_tool_output(output)
def write_rgain(self, media_files, rgain_infos):
def write_rgain(self, media_files, rgain_infos, album=False):
"""Write computed gain values for each media file.
"""
if album:
assert len(rgain_infos) == len(media_files) + 1
album_info = rgain_infos[-1]
for mf, info in zip(media_files, rgain_infos):
try:
mf.rg_track_gain = float(info['gain'])
mf.rg_track_peak = float(info['peak'])
log.debug('replaygain: wrote track gain {0}, peak {1}'.format(
mf.rg_track_gain, mf.rg_track_peak
mf.rg_track_gain = info['gain']
mf.rg_track_peak = info['peak']
if album:
mf.rg_album_gain = album_info['gain']
mf.rg_album_peak = album_info['peak']
log.debug('replaygain: writing track gain {0}, peak {1}; '
'album gain {2}, peak {3}'.format(
mf.rg_track_gain, mf.rg_track_peak,
mf.rg_album_gain, mf.rg_album_peak
))
mf.save()
except (UnreadableFileError, TypeError, ValueError):
except UnreadableFileError:
log.error("replaygain: write failed for %s" % (mf.title))