def computeLowLevel(input_file, pool, startTime, endTime, namespace=''):
llspace = 'lowlevel.'
rhythmspace = 'rhythm.'
if namespace:
llspace = namespace + '.lowlevel.'
rhythmspace = namespace + '.rhythm.'
rgain, sampleRate, downmix = getAnalysisMetadata(pool)
loader = streaming.EqloudLoader(filename=input_file,
sampleRate=sampleRate,
startTime=startTime,
endTime=endTime,
replayGain=rgain,
downmix=downmix)
lowlevel.compute(loader.audio, loader.audio, pool, startTime, endTime,
namespace)
essentia.run(loader)
# check if we processed enough audio for it to be useful, in particular did
# we manage to get an estimation for the loudness (2 seconds required)
if not pool.containsKey(llspace + "loudness"):
INFO('ERROR: File is too short (< 2sec)... Aborting...')
sys.exit(2)
numOnsets = len(pool[rhythmspace + 'onset_times'])
sampleRate = pool['metadata.audio_properties.analysis_sample_rate']
onset_rate = numOnsets / float(loader.audio.totalProduced()) * sampleRate
pool.set(rhythmspace + 'onset_rate', onset_rate)
def computeLowLevel(input_file, pool, startTime, endTime, namespace=''):
llspace = 'lowlevel.'
rhythmspace = 'rhythm.'
if namespace :
llspace = namespace + '.lowlevel.'
rhythmspace = namespace + '.rhythm.'
rgain, sampleRate, downmix = getAnalysisMetadata(pool)
loader = streaming.EqloudLoader(filename = input_file,
sampleRate = sampleRate,
startTime = startTime,
endTime = endTime,
replayGain = rgain,
downmix = downmix)
lowlevel.compute(loader.audio, loader.audio, pool, startTime, endTime, namespace)
essentia.run(loader)
# check if we processed enough audio for it to be useful, in particular did
# we manage to get an estimation for the loudness (2 seconds required)
if not pool.containsKey(llspace + "loudness"):
INFO('ERROR: File is too short (< 2sec)... Aborting...')
sys.exit(2)
numOnsets = len(pool[rhythmspace + 'onset_times'])
sampleRate = pool['metadata.audio_properties.analysis_sample_rate']
onset_rate = numOnsets/float(loader.audio.totalProduced())*sampleRate
pool.set(rhythmspace + 'onset_rate', onset_rate)
def reComputeDescriptors(inputAudioFile, outputJsonFile):
"""
:param inputAudioFile:
:param outputJsonFile:
:return:
"""
M = 2048
N = 2048
H = 1024
fs = 44100
W = 'blackmanharris62'
# analysis parameters
options = {}
options['sampleRate'] = fs
options['frameSize'] = M
options['hopSize'] = H
options['windowType'] = W
options['skipSilence'] = True
audio = ess.MonoLoader(filename=inputAudioFile, sampleRate=fs)()
pool = es.Pool()
sfx.compute(audio, pool, options)
esx.compute(audio, pool, options)
#output = ess.YamlOutput(filename='joeTestOut/essExtract_Pool.json', format='json')
#output(pool)
#calc_Mean_Var = ess.PoolAggregator(defaultStats=['mean', 'var'])
calc_Mean_Var = ess.PoolAggregator(defaultStats=['mean'])
aggrPool = calc_Mean_Var(pool)
#output = ess.YamlOutput(filename='joeTestOut/essExtract_AggrPool.json', format='json')
#output = ess.YamlOutput(filename=outputJsonFile, format='json')
#output(aggrPool)
features = makeFeatures(aggrPool)
json.dump(features, open(outputJsonFile, 'w'))
def reComputeDescriptors(inputAudioFile, outputJsonFile):
"""
:param inputAudioFile:
:param outputJsonFile:
:return:
"""
M = 2048
N = 2048
H = 1024
fs = 44100
W = 'blackmanharris62'
# analysis parameters
options = {}
options['sampleRate'] = fs
options['frameSize'] = M
options['hopSize'] = H
options['windowType'] = W
options['skipSilence'] = True
audio = ess.MonoLoader(filename=inputAudioFile, sampleRate=fs)()
pool = es.Pool()
sfx.compute(audio, pool, options)
esx.compute(audio, pool, options)
#output = ess.YamlOutput(filename='joeTestOut/essExtract_Pool.json', format='json')
#output(pool)
#calc_Mean_Var = ess.PoolAggregator(defaultStats=['mean', 'var'])
calc_Mean_Var = ess.PoolAggregator(defaultStats=['mean'])
aggrPool = calc_Mean_Var(pool)
#output = ess.YamlOutput(filename='joeTestOut/essExtract_AggrPool.json', format='json')
#output = ess.YamlOutput(filename=outputJsonFile, format='json')
#output(aggrPool)
features = makeFeatures(aggrPool)
json.dump(features, open(outputJsonFile, 'w'))
def computeLowLevel(input_file, neqPool, eqPool, startTime, endTime, namespace=""):
llspace = "lowlevel."
rhythmspace = "rhythm."
if namespace:
llspace = namespace + ".lowlevel."
rhythmspace = namespace + ".rhythm."
rgain, sampleRate, downmix = getAnalysisMetadata(neqPool)
loader = streaming.EasyLoader(
filename=input_file,
sampleRate=sampleRate,
startTime=startTime,
endTime=endTime,
replayGain=rgain,
downmix=downmix,
)
eqloud = streaming.EqualLoudness()
loader.audio >> eqloud.signal
lowlevel.compute(eqloud.signal, loader.audio, neqPool, startTime, endTime, namespace)
lowlevel.compute(eqloud.signal, eqloud.signal, eqPool, startTime, endTime, namespace)
essentia.run(loader)
# check if we processed enough audio for it to be useful, in particular did
# we manage to get an estimation for the loudness (2 seconds required)
if not neqPool.containsKey(llspace + "loudness") and not eqPool.containsKey(llspace + "loudness"):
INFO("ERROR: File is too short (< 2sec)... Aborting...")
sys.exit(2)
sampleRate = neqPool["metadata.audio_properties.analysis_sample_rate"]
numOnsets = len(neqPool[rhythmspace + "onset_times"])
onset_rate = numOnsets / float(loader.audio.totalProduced()) * sampleRate
neqPool.set(rhythmspace + "onset_rate", onset_rate)
numOnsets = len(eqPool[rhythmspace + "onset_times"])
onset_rate = numOnsets / float(loader.audio.totalProduced()) * sampleRate
eqPool.set(rhythmspace + "onset_rate", onset_rate)
opts, args = parse_args()
if len(args) != 2:
sys.exit(1)
cmd = './'+os.path.basename(sys.argv[0])+ ' -h'
os.system(cmd)
sys.exit(1)
startTime = float(opts.startTime)
endTime=float(opts.endTime)
pool = essentia.Pool()
readMetadata(args[0], pool)
rgain, sampleRate, downmix = getAnalysisMetadata(pool)
loader = streaming.EqloudLoader(filename = filename,
sampleRate = sampleRate,
startTime = startTime,
endTime = endTime,
replayGain = rgain,
downmix = downmix)
replaygain.compute(source, pool, startTime, endTime)
lowlevel.compute(source, pool, startTime, endTime,
sampleRate=analysisSampleRate)
compute(source, pool, startTime, endTime,
sampleRate=analysisSampleRate)
stats = ['mean', 'var', 'min', 'max', 'dmean', 'dmean2', 'dvar', 'dvar2']
poolStats = essentia.standard.PoolAggregator(defaultStats=stats)(pool)
essentia.standard.YamlOutput(filename=args[1])(poolStats)
if len(args) != 2:
sys.exit(1)
cmd = './' + os.path.basename(sys.argv[0]) + ' -h'
os.system(cmd)
sys.exit(1)
startTime = float(opts.startTime)
endTime = float(opts.endTime)
pool = essentia.Pool()
readMetadata(args[0], pool)
rgain, sampleRate, downmix = getAnalysisMetadata(pool)
loader = streaming.EqloudLoader(filename=filename,
sampleRate=sampleRate,
startTime=startTime,
endTime=endTime,
replayGain=rgain,
downmix=downmix)
replaygain.compute(source, pool, startTime, endTime)
lowlevel.compute(source,
pool,
startTime,
endTime,
sampleRate=analysisSampleRate)
compute(source, pool, startTime, endTime, sampleRate=analysisSampleRate)
stats = ['mean', 'var', 'min', 'max', 'dmean', 'dmean2', 'dvar', 'dvar2']
poolStats = essentia.standard.PoolAggregator(defaultStats=stats)(pool)
essentia.standard.YamlOutput(filename=args[1])(poolStats)