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CC-430: Audio normalization (Replaygain Support)

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-Added support on media-monitor's side
This commit is contained in:
Martin Konecny 2012-07-05 21:54:44 -04:00
parent 1cbb0345b3
commit a687e48d80
7 changed files with 195 additions and 116 deletions
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87
python_apps/media-monitor/airtimefilemonitor/airtimemetadata.py
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@ -1,13 +1,14 @@
# -*- coding: utf-8 -*-
import replay_gain
import os
import hashlib
import mutagen
import logging
import math
import re
import traceback
from api_clients import api_client
"""
list of supported easy tags in mutagen version 1.20
@ -18,39 +19,39 @@ class AirtimeMetadata:
def __init__(self):
self.airtime2mutagen = {\
"MDATA_KEY_TITLE": "title",\
"MDATA_KEY_CREATOR": "artist",\
"MDATA_KEY_SOURCE": "album",\
"MDATA_KEY_GENRE": "genre",\
"MDATA_KEY_MOOD": "mood",\
"MDATA_KEY_TRACKNUMBER": "tracknumber",\
"MDATA_KEY_BPM": "bpm",\
"MDATA_KEY_LABEL": "organization",\
"MDATA_KEY_COMPOSER": "composer",\
"MDATA_KEY_ENCODER": "encodedby",\
"MDATA_KEY_CONDUCTOR": "conductor",\
"MDATA_KEY_YEAR": "date",\
"MDATA_KEY_URL": "website",\
"MDATA_KEY_ISRC": "isrc",\
"MDATA_KEY_COPYRIGHT": "copyright",\
"MDATA_KEY_TITLE": "title", \
"MDATA_KEY_CREATOR": "artist", \
"MDATA_KEY_SOURCE": "album", \
"MDATA_KEY_GENRE": "genre", \
"MDATA_KEY_MOOD": "mood", \
"MDATA_KEY_TRACKNUMBER": "tracknumber", \
"MDATA_KEY_BPM": "bpm", \
"MDATA_KEY_LABEL": "organization", \
"MDATA_KEY_COMPOSER": "composer", \
"MDATA_KEY_ENCODER": "encodedby", \
"MDATA_KEY_CONDUCTOR": "conductor", \
"MDATA_KEY_YEAR": "date", \
"MDATA_KEY_URL": "website", \
"MDATA_KEY_ISRC": "isrc", \
"MDATA_KEY_COPYRIGHT": "copyright", \
}
self.mutagen2airtime = {\
"title": "MDATA_KEY_TITLE",\
"artist": "MDATA_KEY_CREATOR",\
"album": "MDATA_KEY_SOURCE",\
"genre": "MDATA_KEY_GENRE",\
"mood": "MDATA_KEY_MOOD",\
"tracknumber": "MDATA_KEY_TRACKNUMBER",\
"bpm": "MDATA_KEY_BPM",\
"organization": "MDATA_KEY_LABEL",\
"composer": "MDATA_KEY_COMPOSER",\
"encodedby": "MDATA_KEY_ENCODER",\
"conductor": "MDATA_KEY_CONDUCTOR",\
"date": "MDATA_KEY_YEAR",\
"website": "MDATA_KEY_URL",\
"isrc": "MDATA_KEY_ISRC",\
"copyright": "MDATA_KEY_COPYRIGHT",\
"title": "MDATA_KEY_TITLE", \
"artist": "MDATA_KEY_CREATOR", \
"album": "MDATA_KEY_SOURCE", \
"genre": "MDATA_KEY_GENRE", \
"mood": "MDATA_KEY_MOOD", \
"tracknumber": "MDATA_KEY_TRACKNUMBER", \
"bpm": "MDATA_KEY_BPM", \
"organization": "MDATA_KEY_LABEL", \
"composer": "MDATA_KEY_COMPOSER", \
"encodedby": "MDATA_KEY_ENCODER", \
"conductor": "MDATA_KEY_CONDUCTOR", \
"date": "MDATA_KEY_YEAR", \
"website": "MDATA_KEY_URL", \
"isrc": "MDATA_KEY_ISRC", \
"copyright": "MDATA_KEY_COPYRIGHT", \
}
self.logger = logging.getLogger()
@ -67,9 +68,9 @@ class AirtimeMetadata:
## return format hh:mm:ss.uuu
def format_length(self, mutagen_length):
t = float(mutagen_length)
h = int(math.floor(t/3600))
h = int(math.floor(t / 3600))
t = t % 3600
m = int(math.floor(t/60))
m = int(math.floor(t / 60))
s = t % 60
# will be ss.uuu
@ -94,12 +95,12 @@ class AirtimeMetadata:
for key in m:
if key in self.airtime2mutagen:
value = m[key]
if value is not None:
value = unicode(value)
else:
value = unicode('');
#if len(value) > 0:
self.logger.debug("Saving key '%s' with value '%s' to file", key, value)
airtime_file[self.airtime2mutagen[key]] = value
@ -123,8 +124,14 @@ class AirtimeMetadata:
self.logger.info("getting info from filepath %s", filepath)
md = {}
replay_gain_val = replay_gain.calculate_replay_gain(filepath)
self.logger.info('ReplayGain calculated as %s for %s' % (replay_gain_val, filepath))
md['MDATA_KEY_REPLAYGAIN'] = replay_gain_val
try:
md = {}
md5 = self.get_md5(filepath)
md['MDATA_KEY_MD5'] = md5
@ -135,6 +142,7 @@ class AirtimeMetadata:
self.logger.error("Exception %s", e)
return None
#check if file has any metadata
if file_info is None:
return None
@ -149,6 +157,7 @@ class AirtimeMetadata:
except Exception, e:
self.logger.error('Exception: %s', e)
self.logger.error("traceback: %s", traceback.format_exc())
if 'MDATA_KEY_TITLE' not in md:
#get rid of file extension from original name, name might have more than 1 '.' in it.
original_name = os.path.basename(filepath)
@ -165,8 +174,6 @@ class AirtimeMetadata:
pass
if isinstance(md['MDATA_KEY_TRACKNUMBER'], basestring):
match = re.search('^(\d*/\d*)?', md['MDATA_KEY_TRACKNUMBER'])
try:
md['MDATA_KEY_TRACKNUMBER'] = int(md['MDATA_KEY_TRACKNUMBER'].split("/")[0], 10)
except Exception, e:
@ -223,7 +230,7 @@ class AirtimeMetadata:
md['MDATA_KEY_BITRATE'] = getattr(file_info.info, "bitrate", None)
md['MDATA_KEY_SAMPLERATE'] = getattr(file_info.info, "sample_rate", None)
self.logger.info( "Bitrate: %s , Samplerate: %s", md['MDATA_KEY_BITRATE'], md['MDATA_KEY_SAMPLERATE'] )
self.logger.info("Bitrate: %s , Samplerate: %s", md['MDATA_KEY_BITRATE'], md['MDATA_KEY_SAMPLERATE'])
try: md['MDATA_KEY_DURATION'] = self.format_length(file_info.info.length)
except Exception as e: self.logger.warn("File: '%s' raises: %s", filepath, str(e))