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dpwe_matcher.py
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dpwe_matcher.py
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#!/usr/bin/env python
# dpwe_matcher.py
#
# Fingerprint database matcher for MIREX 2014 audio fingerprint competition
#
# 2014-09-06 Dan Ellis [email protected]
# From http://www.music-ir.org/mirex/wiki/2014:Audio_Fingerprinting#Time_and_hardware_limits
# 2. Matcher
# Command format:
# matcher %fileList4query% %dir4db% %resultFile%
# where %fileList4query% is a file containing the list of query clips. For example:
# ./AFP/query/q000001.wav
# ./AFP/query/q000002.wav
# ./AFP/query/q000003.wav
# ./AFP/query/q000004.wav
# ...
# The result file gives retrieved result for each query, with the format:
# %queryFilePath% %dbFilePath%
# where these two fields are separated by a tab. Here is a more specific example:
# ./AFP/query/q000001.wav ./AFP/database/0000004.mp3
# ./AFP/query/q000002.wav ./AFP/database/0000054.mp3
# ./AFP/query/q000003.wav ./AFP/database/0001002.mp3
# ..
import sys, os
import audfprint
config_file = None
if len(sys.argv) < 2:
print "Usage:", sys.argv[0], "[-C config.txt] fileList4query dir4db resultFile"
sys.exit()
else:
if sys.argv[1] == "-C":
config_file = sys.argv[2]
fileList4query = sys.argv[3]
dir4db = sys.argv[4]
resultFile = sys.argv[5]
else:
fileList4query = sys.argv[1]
dir4db = sys.argv[2]
resultFile = sys.argv[3]
# Default params
defaults = {'density': "70",
'fanout': "8",
'search_depth': "2000",
'min_count': "5",
'ncores': "8"}
# Parse input file
import ConfigParser
config = ConfigParser.ConfigParser(defaults)
section = 'dpwe_matcher'
config.add_section(section)
if config_file:
if len(config.read(config_file)) == 0:
raise IOError(errno.ENOENT, "Cannot read config file", config_file)
density = config.getint(section, 'density')
fanout = config.getint(section, 'fanout')
search_depth = config.getint(section, 'search_depth')
min_count = config.getint(section, 'min_count')
ncores = config.getint(section, 'ncores')
print sys.argv[0], "density:", density, "fanout:", fanout, \
"search_depth", search_depth, "min_count", min_count, \
"ncores:", ncores
# Run the command
argv = ["audfprint", "match",
"-d", os.path.join(dir4db, "data.fpdb"),
"--density", str(density),
"--fanout", str(fanout),
"--search-depth", str(search_depth),
"--min-count", str(min_count),
"--ncores", str(ncores),
"--verbose", 0,
"--opfile", resultFile,
"--list", fileList4query]
# Run audfprint
audfprint.main(argv)