def main(input_filename, output_filename):
if input_filename.startswith("http://") or input_filename.startswith("https://"):
av = video.loadavfromyoutube(input_filename)
else:
av = video.loadav(input_filename)
collect = audio.AudioQuantumList()
for bar in av.audio.analysis.bars:
collect.append(bar.children()[0])
out = video.getpieces(av, collect)
out.save(output_filename)
def main(input_filename, output_filename):
if input_filename.startswith("http://"):
av = video.loadavfromyoutube(input_filename)
else:
av = video.loadav(input_filename)
collect = audio.AudioQuantumList()
for bar in av.audio.analysis.bars:
collect.append(bar.children()[0])
out = video.getpieces(av, collect)
out.save(output_filename)
def main(toReverse, inputFilename, outputFilename):
if inputFilename.startswith("http://"):
av = video.loadavfromyoutube(inputFilename)
else:
av = video.loadav(inputFilename)
if toReverse == 'tatums':
chunks = av.audio.analysis.tatums
elif toReverse == 'beats':
chunks = av.audio.analysis.beats
chunks.reverse()
out = video.getpieces(av, chunks)
out.save(outputFilename)
def main(toReverse, inputFilename, outputFilename):
if inputFilename.startswith("http://"):
av = video.loadavfromyoutube(inputFilename)
else:
av = video.loadav(inputFilename)
if toReverse == 'tatums':
chunks = av.audio.analysis.tatums
elif toReverse == 'beats':
chunks = av.audio.analysis.beats
chunks.reverse()
out = video.getpieces(av, chunks)
out.save(outputFilename)
def main(infile, outfile, choices=4):
if infile.startswith("http://"):
av = video.loadavfromyoutube(infile)
else:
av = video.loadav(infile)
meter = av.audio.analysis.time_signature['value']
sections = av.audio.analysis.sections
output = audio.AudioQuantumList()
for section in sections:
beats = []
bars = section.children()
for bar in bars:
beats.extend(bar.children())
if not bars or not beats:
continue
beat_array = []
for m in range(meter):
metered_beats = []
for b in beats:
if beats.index(b) % meter == m:
metered_beats.append(b)
beat_array.append(metered_beats)
# Always start with the first beat
output.append(beat_array[0][0]);
for x in range(1, len(bars) * meter):
meter_index = x % meter
next_candidates = beat_array[meter_index]
def sorting_function(chunk, target_chunk=output[-1]):
timbre = chunk.mean_timbre()
target_timbre = target_chunk.mean_timbre()
timbre_distance = numpy.linalg.norm(numpy.array(timbre) - numpy.array(target_timbre))
return timbre_distance
next_candidates = sorted(next_candidates, key=sorting_function)
next_index = random.randint(0, min(choices, len(next_candidates) - 1))
output.append(next_candidates[next_index])
out = video.getpieces(av, output)
out.save(outfile)
