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 __init__(self, tracks):
self.videos = []
for track in tracks:
if 'youtube.com' in track:
#assume it's a youtube url
try:
self.videos.append(video.loadavfromyoutube(track))
except:
print 'unable to fetch', track
else:
self.videos.append(video.loadav(track))
self.collectvid = video.EditableFrames(settings=self.videos[0].video.settings)
self.collectaudio = audio.AudioQuantumList()
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']
fade_in = av.audio.analysis.end_of_fade_in
fade_out = av.audio.analysis.start_of_fade_out
sections = av.audio.analysis.sections.that(overlap_range(fade_in, fade_out))
outchunks = audio.AudioQuantumList()
for section in sections:
print str(section) + ":"
beats = av.audio.analysis.beats.that(are_contained_by(section))
segments = av.audio.analysis.segments.that(overlap(section))
num_bars = len(section.children())
print "\t", len(beats), "beats,", len(segments), "segments"
if len(beats) < meter:
continue
b = []
segstarts = []
for m in range(meter):
b.append(beats.that(are_beat_number(m)))
segstarts.append(segments.that(overlap_starts_of(b[m])))
if not b:
continue
elif not b[0]:
continue
now = b[0][0]
for x in range(0, num_bars * meter):
beat = x % meter
next_beat = (x + 1) % meter
now_end_segment = segments.that(contain_point(now.end))[0]
next_candidates = segstarts[next_beat].ordered_by(timbre_distance_from(now_end_segment))
if not next_candidates:
continue
next_choice = next_candidates[random.randrange(min(choices, len(next_candidates)))]
next = b[next_beat].that(start_during(next_choice))[0]
outchunks.append(now)
print "\t" + now.context_string()
now = next
out = video.getpieces(av, outchunks)
out.save(outfile)
def main(input_filename):
output_filename = input_filename.split("=",1)[1]
output_dir = "../assets/{}/".format(output_filename)
mkdir(output_dir)
#Download youtube video
youtube_seq = video.loadavfromyoutube(input_filename)
#Save audio
youtube_seq.audio.encode(output_dir+output_filename+".mp3")
#Make output json for slices
filename = output_dir + output_filename + "_slices.json"
slices = open(filename, "w")
#separate variables for video and audio part
av_video = video.ImageSequence(youtube_seq.video)
av_audio = youtube_seq.audio
beats = []
frameLocs = []
masterWidth = 10000
masterHeight = 10000
for beat in av_audio.analysis.beats:
#pull thumbnail for beat beginning and halfway through beat
index1 = av_video.indexvoodo(beat)
#index2 = av_video.indexvoodo(beat.start+0.5*beat.duration)
#av_video.renderframe(index1,output_dir+"frames/")
frameLoc = av_video.files[int(index1.start*av_video.settings.fps)]
frame = Image.open(frameLoc)
frame.load()
frameLocs.append(frameLoc)
beats.append({'start':beat.start, 'duration':beat.duration})
json.dump({"beats":beats}, slices, sort_keys=True, indent=4)
slices.close()
final_image = Image.new("RGB", (10000, 10000))
xOffset = 0
yOffset = 0
width = 0
height = 0
for frameLoc in frameLocs:
temp_frame = Image.open(frameLoc)
temp_frame.thumbnail((145,145))
temp_frame.load()
final_image.paste(temp_frame,(xOffset,yOffset))
width = temp_frame.size[0]
xOffset += width
if xOffset > masterWidth:
xOffset = 0
height = temp_frame.size[1]
yOffset += height
if yOffset > masterHeight:
raise IndexError("Too many images to fit on canvas")
final_image.save(output_dir+output_filename+".jpg")
majDict = {0:"C",1:"C#",2:"D",3:"D#",4:"E",5:"F",
6:"F#",7:"G",8:"G#",9:"A",10:"A#",11:"B"}
minDict = {0:"cm",1:"c#m",2:"dm",3:"d#m",4:"em",5:"fm",
6:"f#m",7:"gm",8:"g#m",9:"am",10:"a#m",11:"bm"}
#write info
filename = output_dir + output_filename + "_info.json"
info = open(filename, "w")
keycode = av_audio.analysis.key['value']
mode = av_audio.analysis.mode['value']
try:
if mode == 0:
key = minDict[keycode]
elif mode == 1:
key = majDict[keycode]
else:
raise
except:
key = "unknown"
tempo = av_audio.analysis.tempo['value']
duration = av_audio.analysis.duration
time_signature = av_audio.analysis.time_signature['value']
json.dump({ "width":width, "height":height, "key":key, "tempo":tempo,
"duration":duration, "time_signature":time_signature}, info,
sort_keys = True, indent=4)
info.close()
