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cc-4105: updated to martin's change to replaygain

This commit is contained in:
Rudi Grinberg 2012-08-08 11:59:52 -04:00
parent ccd0d4e8cf
commit cff9a5cb71
1 changed files with 11 additions and 6 deletions
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17
python_apps/media-monitor2/media/update/replaygain.py
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@ -4,11 +4,16 @@ import os
import sys
import shutil
import tempfile
import logging
logger = logging.getLogger()
def get_process_output(command):
"""
Run subprocess and return stdout
"""
logger.debug(command)
p = Popen(command, shell=True, stdout=PIPE)
return p.communicate()[0].strip()
@ -46,9 +51,9 @@ def duplicate_file(file_path):
def calculate_replay_gain(file_path):
"""
This function accepts files of type mp3/ogg/flac and returns a calculated
ReplayGain value in dB. If the value cannot be calculated for some reason,
then we default to 0 (Unity Gain).
This function accepts files of type mp3/ogg/flac and returns a calculated ReplayGain value in dB.
If the value cannot be calculated for some reason, then we default to 0 (Unity Gain).
http://wiki.hydrogenaudio.org/index.php?title=ReplayGain_1.0_specification
"""
@ -61,14 +66,14 @@ def calculate_replay_gain(file_path):
search = None
temp_file_path = duplicate_file(file_path)
if re.search(r'mp3$', temp_file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "audio/mpeg":
if re.search(r'mp3$', file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "audio/mpeg":
if run_process("which mp3gain > /dev/null") == 0:
out = get_process_output('mp3gain -q "%s" 2> /dev/null' % temp_file_path)
search = re.search(r'Recommended "Track" dB change: (.*)', out)
else:
print "mp3gain not found"
#Log warning
elif re.search(r'ogg$', temp_file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "application/ogg":
elif re.search(r'og(g|a)$', file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "application/ogg":
if run_process("which vorbisgain > /dev/null && which ogginfo > /dev/null") == 0:
run_process('vorbisgain -q -f "%s" 2>/dev/null >/dev/null' % temp_file_path)
out = get_process_output('ogginfo "%s"' % temp_file_path)
@ -76,7 +81,7 @@ def calculate_replay_gain(file_path):
else:
print "vorbisgain/ogginfo not found"
#Log warning
elif re.search(r'flac$', temp_file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "audio/x-flac":
elif re.search(r'flac$', file_path, re.IGNORECASE) or get_mime_type(temp_file_path) == "audio/x-flac":
if run_process("which metaflac > /dev/null") == 0:
out = get_process_output('metaflac --show-tag=REPLAYGAIN_TRACK_GAIN "%s"' % temp_file_path)
search = re.search(r'REPLAYGAIN_TRACK_GAIN=(.*) dB', out)