def _render(self):
self.matrix.reset()
self.gl.glClearColor(*self.clear_color)
self.gl.glClear(self.gl.GL_COLOR_BUFFER_BIT | self.gl.GL_DEPTH_BUFFER_BIT)
next(self.frames)
graphics.get_renderer().cleanup()
def _render(self):
self.matrix.reset()
self.gl.glClearColor(*self.clear_color)
self.gl.glClear(self.gl.GL_COLOR_BUFFER_BIT | self.gl.GL_DEPTH_BUFFER_BIT)
next(self.frames)
graphics.get_renderer().cleanup()
def render():
t = time.time()
nonlocal song_time
while not mpv.eof_reached():
graphics.get_renderer().clear(0, 0, 0, 1)
t1 = time.time()
mpv.draw()
dt = time.time() - t1
mpv.poll()
song_time = mpv.get_song_time() or song_time
mpv.draw_fade(song_time)
renderer.draw(song_time + headstart * 2**(speed_i/12.0), song_layout)
yield None
t2 = time.time()
if opts.st:
print("T:%7.3f/%7.3f B:%7.3f FPS:%.2f draw:%.3f" % (song_time, mpv.duration, s.timing.time2beat(song_time), (1.0/(t2-t)), dt))
t = t2
mpv.flip()
mpv.shutdown()
os._exit(0)
def render():
t = time.time()
global song_time
while not mpv.eof_reached():
graphics.get_renderer().clear(0, 0, 0, 1)
t1 = time.time()
mpv.draw()
dt = time.time() - t1
mpv.poll()
song_time = mpv.get_song_time() or song_time
mpv.draw_fade(song_time)
renderer.draw(song_time + headstart * 2**(speed_i/12.0), layout)
yield None
t2 = time.time()
if opts.st:
print("T:%7.3f/%7.3f B:%7.3f FPS:%.2f draw:%.3f" % (song_time, mpv.duration, s.timing.time2beat(song_time), (1.0/(t2-t)), dt))
t = t2
mpv.flip()
mpv.shutdown()
os._exit(0)
def __init__(self, display):
self.display = display
tr = graphics.get_texture_renderer()
ImageTexture = graphics.get_renderer().ImageTexture
self.logo = ImageTexture(util.get_resgfx_path("logo.png"), tr)
self.tablet = ImageTexture(util.get_resgfx_path("tablet.png"), tr)
self.hand = ImageTexture(util.get_resgfx_path("hand.png"), tr)
self.silhouette = ImageTexture(util.get_resgfx_path("silhouette.png"),
tr)
self.reset()
def entry():
data_home = os.getenv('XDG_DATA_HOME', '~/.local/share')
songs_dir = os.path.join(data_home, 'blitzloop', 'songs')
def csv_list(s):
return s.split(",")
parser = util.get_argparser()
parser.add_argument(
'--songdir', default=os.path.expanduser(songs_dir),
help='directory with songs')
parser.add_argument('--host', default='0.0.0.0', help='IP to listen on')
parser.add_argument(
'--port', default=10111, type=int,
help='port for the UI')
parser.add_argument(
'--width', type=int, default=1024,
help='width of blitzloop window (ignored in fs)')
parser.add_argument(
'--height', type=int, default=768,
help='height of blitzloop window (ignored in fs)')
parser.add_argument(
'--no-audioengine', action="store_true",
help='Disable JACK-based audio engine (mic echo effect)')
parser.add_argument(
'--mics', type=csv_list, default=["system:capture_1"],
help='Mic input connections (list of JACK ports)')
opts = util.get_opts()
songs_dir = os.path.expanduser(opts.songdir)
print("Loading song DB...")
song_database = songlist.SongDatabase(songs_dir)
print("Done.")
display = graphics.Display(opts.width, opts.height, opts.fullscreen)
renderer = graphics.get_renderer().KaraokeRenderer(display)
mpv = mpvplayer.Player(display)
if not opts.no_audioengine and opts.mics:
from blitzloop._audio import AudioEngine
print(repr(opts.mics))
audio = AudioEngine([s.encode("ascii") for s in opts.mics])
print("Engine sample rate: %dHz" % audio.sample_rate)
queue = songlist.SongQueue()
class AudioConfig(object):
def __init__(self):
self.nmics = len(opts.mics) if not opts.no_audioengine else 0
self.volume = 80
if opts.no_audioengine:
self.mic_channels = []
else:
self.mic_channels = [{"volume": 80} for i in range(self.nmics)]
self.mic_feedback = 20
self.mic_delay = 12
self.headstart = 30
def update(self, song=None):
mpv.set_volume(((self.volume / 100.0) ** 2) * 0.5)
if not opts.no_audioengine:
for i, j in enumerate(self.mic_channels):
audio.set_mic_volume(i, ((j["volume"] / 100.0) ** 2) * 2.0)
audio.set_mic_feedback(self.mic_feedback / 100.0)
audio.set_mic_delay(self.mic_delay / 100.0)
audio_config = AudioConfig()
web.database = song_database
web.queue = queue
web.audio_config = audio_config
server = web.ServerThread(host=opts.host, port=opts.port)
server.start()
idle_screen = idlescreen.IdleScreen(display)
def main_render():
# Wait for element in queue
print("Waiting for song to appear in queue...")
qe = None
with queue.lock:
if len(queue) != 0:
qe = queue[0]
if not qe:
idle_screen.reset()
graphics.get_renderer().clear(0, 0, 0, 1)
for f in idle_screen:
audio_config.update()
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
if not qe:
with queue.lock:
if len(queue) != 0:
qe = queue[0]
idle_screen.close()
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Loading audio/video...")
mpv.load_song(qe.song)
display.set_aspect(mpv.aspect)
def update_params(defer=False):
mpv.set_speed(1.0 / (2**(qe.speed / 12.0)))
mpv.set_pitch(2**(qe.pitch / 12.0))
for i, j in enumerate(qe.channels):
mpv.set_channel(i, j["volume"] / 10., defer=defer)
mpv.set_pause(qe.pause)
update_params(True)
mpv.update_mixer(force=True)
print("Laying out song...")
renderer.reset()
variant_key = list(qe.song.variants.keys())[qe.variant]
song_layout = layout.SongLayout(qe.song, variant_key, renderer)
print("Loaded.")
song_time = -10
stopping = False
while not (mpv.eof_reached() or (stopping and qe.pause)):
while qe.commands:
cmd, arg = qe.commands.pop(0)
if cmd == "seek":
mpv.seek(arg)
elif cmd == "seekto":
mpv.seek_to(arg)
mpv.draw()
mpv.poll()
song_time = mpv.get_song_time() or song_time
if qe.stop and not stopping:
stopping = True
mpv.fade_out = 2
mpv.duration = min(mpv.duration, song_time + 2)
if not stopping:
mpv.draw_fade(song_time)
speed = 2**(qe.speed / 12.0)
renderer.draw(song_time + audio_config.headstart / 100.0 * speed,
song_layout)
if stopping:
fade = mpv.draw_fade(song_time)
mpv.set_fadevol(max(fade * 1.3 - 0.3, 0))
update_params()
audio_config.update(qe.song)
yield None
mpv.flip()
graphics.get_renderer().clear(0, 0, 0, 1)
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Song complete.")
del song_layout
try:
queue.pop(qe.qid)
except (IndexError, KeyError):
pass
mpv.stop()
display.set_aspect(None)
def main():
while True:
for i in main_render():
yield i
def exit():
print("Exit handler called")
mpv.shutdown()
if not opts.no_audioengine:
audio.shutdown()
server.stop()
print("Exit handler done")
def key(k):
if k == 'KEY_ESCAPE':
display.queue_exit()
elif k == 'f':
display.toggle_fullscreen()
display.set_render_gen(main)
display.set_keyboard_handler(key)
display.set_exit_handler(exit)
display.main_loop()
threads = threading.enumerate()
if len(threads) > 1:
print("Loose threads: %r" % threads)
def main_render():
# Wait for element in queue
print("Waiting for song to appear in queue...")
qe = None
with queue.lock:
if len(queue) != 0:
qe = queue[0]
if not qe:
idle_screen.reset()
graphics.get_renderer().clear(0, 0, 0, 1)
for f in idle_screen:
audio_config.update()
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
if not qe:
with queue.lock:
if len(queue) != 0:
qe = queue[0]
idle_screen.close()
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Loading audio/video...")
mpv.load_song(qe.song)
display.set_aspect(mpv.aspect)
def update_params(defer=False):
mpv.set_speed(1.0 / (2**(qe.speed / 12.0)))
mpv.set_pitch(2**(qe.pitch / 12.0))
for i, j in enumerate(qe.channels):
mpv.set_channel(i, j["volume"] / 10., defer=defer)
mpv.set_pause(qe.pause)
update_params(True)
mpv.update_mixer(force=True)
print("Laying out song...")
renderer.reset()
variant_key = list(qe.song.variants.keys())[qe.variant]
song_layout = layout.SongLayout(qe.song, variant_key, renderer)
print("Loaded.")
song_time = -10
stopping = False
while not (mpv.eof_reached() or (stopping and qe.pause)):
while qe.commands:
cmd, arg = qe.commands.pop(0)
if cmd == "seek":
mpv.seek(arg)
elif cmd == "seekto":
mpv.seek_to(arg)
mpv.draw()
mpv.poll()
song_time = mpv.get_song_time() or song_time
if qe.stop and not stopping:
stopping = True
mpv.fade_out = 2
mpv.duration = min(mpv.duration, song_time + 2)
if not stopping:
mpv.draw_fade(song_time)
speed = 2**(qe.speed / 12.0)
renderer.draw(song_time + audio_config.headstart / 100.0 * speed,
song_layout)
if stopping:
fade = mpv.draw_fade(song_time)
mpv.set_fadevol(max(fade * 1.3 - 0.3, 0))
update_params()
audio_config.update(qe.song)
yield None
mpv.flip()
graphics.get_renderer().clear(0, 0, 0, 1)
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Song complete.")
del song_layout
try:
queue.pop(qe.qid)
except (IndexError, KeyError):
pass
mpv.stop()
display.set_aspect(None)
def main_render():
# Wait for element in queue
print("Waiting for song to appear in queue...")
qe = None
with queue.lock:
if len(queue) != 0:
qe = queue[0]
if not qe:
idle_screen.reset()
graphics.get_renderer().clear(0, 0, 0, 1)
for f in idle_screen:
audio_config.update()
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
if not qe:
with queue.lock:
if len(queue) != 0:
qe = queue[0]
idle_screen.close()
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Loading audio/video...")
mpv.load_song(qe.song)
display.set_aspect(mpv.aspect)
print("Laying out song...")
renderer.reset()
variant_key = list(qe.song.variants.keys())[qe.variant]
song_layout = layout.SongLayout(qe.song, variant_key, renderer)
print("Loaded.")
def update_params():
mpv.set_speed(1.0 / (2**(qe.speed / 12.0)))
mpv.set_pitch(2**(qe.pitch / 12.0))
for i, j in enumerate(qe.channels):
mpv.set_channel(i, j["volume"] / 10.0)
mpv.set_pause(qe.pause)
update_params()
song_time = -10
stopping = False
while not (mpv.eof_reached() or (stopping and qe.pause)):
while qe.commands:
cmd, arg = qe.commands.pop(0)
if cmd == "seek":
mpv.seek(arg)
elif cmd == "seekto":
mpv.seek_to(arg)
mpv.draw()
mpv.poll()
song_time = mpv.get_song_time() or song_time
if qe.stop and not stopping:
stopping = True
mpv.fade_out = 2
mpv.duration = min(mpv.duration, song_time + 2)
if not stopping:
mpv.draw_fade(song_time)
speed = 2**(qe.speed / 12.0)
renderer.draw(song_time + audio_config.headstart / 100.0 * speed,
song_layout)
if stopping:
fade = mpv.draw_fade(song_time)
mpv.set_fadevol(max(fade * 1.3 - 0.3, 0))
update_params()
audio_config.update(qe.song)
yield None
mpv.flip()
graphics.get_renderer().clear(0, 0, 0, 1)
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Song complete.")
try:
queue.pop(qe.qid)
except (IndexError, KeyError):
pass
mpv.stop()
display.set_aspect(None)
action="store_true",
help='Disable JACK-based audio engine (mic echo effect)')
parser.add_argument('--mics',
type=csv_list,
default=["system:capture_1"],
help='Mic input connections (list of JACK ports)')
opts = util.get_opts()
songs_dir = os.path.expanduser(opts.songdir)
print("Loading song DB...")
song_database = songlist.SongDatabase(songs_dir)
print("Done.")
display = graphics.Display(opts.width, opts.height, opts.fullscreen)
renderer = graphics.get_renderer().KaraokeRenderer(display)
mpv = mpvplayer.Player(display)
if not opts.no_audioengine and opts.mics:
print(repr(opts.mics))
audio = AudioEngine([s.encode("ascii") for s in opts.mics])
print("Engine sample rate: %dHz" % audio.sample_rate)
queue = songlist.SongQueue()
class AudioConfig(object):
def __init__(self):
self.nmics = len(opts.mics) if not opts.no_audioengine else 0
self.volume = 80
if opts.no_audioengine:
def _load_lyrics(self, s):
telop = self.root.find("telop")
renderer = graphics.get_renderer().KaraokeRenderer(self.display)
lyt = layout.SongLayout(s,
list(s.variants.keys())[opts.variant],
renderer)
lines = lyt.lines[song.TagInfo.BOTTOM]
class Page(object):
pass
def ms(i):
return str(int(round(i * 1000)))
# Group lines into pages
pages = []
page = Page()
page.lines = {}
last = None
for l in lines:
if l.row in page.lines or (last and (l.row > last.row
or l.start > last.end)):
pages.append(page)
page = Page()
page.lines = {}
page.lines[l.row] = l
last = l
pages.append(page)
# Compute page show/hide times
prev = None
pages2 = []
for page in pages:
lines = page.lines
page.start = min(l.start for l in lines.values())
page.min_start = min(l._start_t for l in lines.values())
page.end = max(l.end for l in lines.values())
page.min_end = max(l._end_t for l in lines.values())
if prev and page.start < prev.end:
page.start = min(page.min_start, prev.end)
if prev and page.start < prev.end:
prev.end = max(prev.min_end, page.start)
if prev and page.start < prev.end:
li = " ".join(
repr(v.molecules[0][0].text)
for k, v in sorted(lines.items(), reverse=True))
raise Exception("overlapping lines! %r" % (li))
prev = page
pages2.append(page)
# Generate XML
for page in pages:
pe = ET.Element("page")
pe.append(self._tag("show_time", ms(page.start)))
pe.append(self._tag("hide_time", ms(page.end)))
pe.append(self._tag("paint_timing", "0"))
pe.append(self._tag("layout", "xing_0"))
t = page.min_start
for i in range(max(page.lines.keys()), -1, -1):
le = ET.Element("line")
text = ""
if i not in page.lines:
# dummy line
w = ET.Element("word")
w.append(self._tag("text", ""))
w.append(self._tag("start_time", ms(t)))
w.append(self._tag("end_time", ms(t)))
le.append(w)
else:
line = page.lines[i]
assert len(line.molecules) == 1
mol, get_atom_time = line.molecules[0]
ruby = []
step = 0
for atom in mol.atoms:
start, end = get_atom_time(step, atom.steps)
step += atom.steps
w = ET.Element("word")
w.append(self._tag("text", atom.text))
w.append(self._tag("start_time", ms(start)))
w.append(self._tag("end_time", ms(end)))
le.append(w)
if atom.particles is not None:
edge = len(atom.text)
if atom.particle_edge:
edge = atom.particle_edge
rt = ""
for i in atom.particles:
rt += i.text
r = ET.Element("ruby")
r.append(self._tag("text", rt))
r.append(self._tag("start_pos", "%d" % len(text)))
r.append(
self._tag("end_pos",
"%d" % (len(text) + edge - 1)))
ruby.append(r)
text += atom.text
for r in ruby:
le.append(r)
print(text)
e = ET.Element("duet")
e.append(self._tag("mark", "0"))
e.append(self._tag("start_pos", "0"))
e.append(self._tag("end_pos", "%d" % (len(text) - 1)))
le.append(e)
e = ET.Element("offset")
e.append(self._tag("type", "0"))
e.append(self._tag("offset", "0"))
le.append(e)
pe.append(le)
telop.append(pe)
def build(self):
self.rline = get_renderer().RenderedLine(self)
self.rline.build()
def entry():
parser = util.get_argparser()
parser.add_argument('songpath',
metavar='SONGPATH',
help='path to the song file')
parser.add_argument('--show-timings',
dest='st',
action='store_true',
help='show mpv timings')
parser.add_argument('--offset',
type=float,
default=0.0,
help='song offset')
parser.add_argument('--variant', type=int, default=0, help='song variant')
opts = util.get_opts()
fullscreen = opts.fullscreen
s = song.Song(opts.songpath)
headstart = 0.3
if fullscreen:
display = graphics.Display(1920, 1200, fullscreen, None)
else:
display = graphics.Display(1280, 720, fullscreen, None)
print(display.width, display.height)
mpv = mpvplayer.Player(display)
mpv.load_song(s)
display.set_aspect(mpv.aspect)
renderer = graphics.get_renderer().KaraokeRenderer(display)
song_layout = layout.SongLayout(s,
list(s.variants.keys())[opts.variant],
renderer)
song_time = -10
speed_i = 0
pitch_i = 0
channels_i = s.channel_defaults
for idx, val in enumerate(channels_i):
mpv.set_channel(idx, val / 10.0)
if opts.offset:
mpv.seek_to(opts.offset)
def render():
t = time.time()
nonlocal song_time
while not mpv.eof_reached():
graphics.get_renderer().clear(0, 0, 0, 1)
t1 = time.time()
mpv.draw()
dt = time.time() - t1
mpv.poll()
song_time = mpv.get_song_time() or song_time
mpv.draw_fade(song_time)
renderer.draw(song_time + headstart * 2**(speed_i / 12.0),
song_layout)
yield None
t2 = time.time()
if opts.st:
print("T:%7.3f/%7.3f B:%7.3f FPS:%.2f draw:%.3f" %
(song_time, mpv.duration, s.timing.time2beat(song_time),
(1.0 / (t2 - t)), dt))
t = t2
mpv.flip()
mpv.shutdown()
os._exit(0)
pause = False
CH_UP = "+456"
CH_DOWN = "-123"
def key(k):
nonlocal speed_i, pitch_i, pause
if k == 'KEY_ESCAPE':
mpv.shutdown()
os._exit(0)
elif k == 'f':
display.toggle_fullscreen()
elif k == '[' and speed_i > -12:
speed_i -= 1
print("Speed: %d" % speed_i)
mpv.set_speed(2**(-speed_i / 12.0))
elif k == ']' and speed_i < 12:
speed_i += 1
print("Speed: %d" % speed_i)
mpv.set_speed(2**(-speed_i / 12.0))
elif k == 'KEY_UP' and pitch_i < 12:
pitch_i += 1
print("Pitch: %d" % pitch_i)
mpv.set_pitch(2**(pitch_i / 12.0))
elif k == 'KEY_DOWN' and pitch_i > -12:
pitch_i -= 1
print("Pitch: %d" % pitch_i)
mpv.set_pitch(2**(pitch_i / 12.0))
elif k in CH_UP:
idx = CH_UP.index(k)
if len(channels_i) > idx and channels_i[idx] < 30:
channels_i[idx] += 1
print("Channel %d: %d" % (idx, channels_i[idx]))
mpv.set_channel(idx, channels_i[idx] / 10.0)
elif k in CH_DOWN:
idx = CH_DOWN.index(k)
if len(channels_i) > idx and channels_i[idx] > 0:
channels_i[idx] -= 1
print("Channel %d: %d" % (idx, channels_i[idx]))
mpv.set_channel(idx, channels_i[idx] / 10.0)
elif k == 'KEY_LEFT':
mpv.seek(-10)
elif k == 'KEY_RIGHT':
mpv.seek(10)
elif k == ' ':
pause = not pause
t = time.time()
mpv.set_pause(pause)
print("P %.03f" % (time.time() - t))
mpv.play()
display.set_render_gen(render)
display.set_keyboard_handler(key)
display.main_loop()
mpv.shutdown()
def entry():
parser = util.get_argparser()
parser.add_argument(
'songpath', metavar='SONGPATH', help='path to the song file')
parser.add_argument(
'--show-timings', dest='st', action='store_true',
help='show mpv timings')
parser.add_argument(
'--offset', type=float, default=0.0, help='song offset')
parser.add_argument(
'--variant', type=int, default=0, help='song variant')
opts = util.get_opts()
fullscreen = opts.fullscreen
s = song.Song(opts.songpath)
headstart = 0.3
if fullscreen:
display = graphics.Display(1920, 1200, fullscreen, None)
else:
display = graphics.Display(1280, 720, fullscreen, None)
print(display.width, display.height)
mpv = mpvplayer.Player(display)
mpv.load_song(s)
display.set_aspect(mpv.aspect)
renderer = graphics.get_renderer().KaraokeRenderer(display)
song_layout = layout.SongLayout(s, list(s.variants.keys())[opts.variant], renderer)
song_time = -10
speed_i = 0
pitch_i = 0
channels_i = s.channel_defaults
for idx, val in enumerate(channels_i):
mpv.set_channel(idx, val / 10.0)
if opts.offset:
mpv.seek_to(opts.offset)
def render():
t = time.time()
nonlocal song_time
while not mpv.eof_reached():
graphics.get_renderer().clear(0, 0, 0, 1)
t1 = time.time()
mpv.draw()
dt = time.time() - t1
mpv.poll()
song_time = mpv.get_song_time() or song_time
mpv.draw_fade(song_time)
renderer.draw(song_time + headstart * 2**(speed_i/12.0), song_layout)
yield None
t2 = time.time()
if opts.st:
print("T:%7.3f/%7.3f B:%7.3f FPS:%.2f draw:%.3f" % (song_time, mpv.duration, s.timing.time2beat(song_time), (1.0/(t2-t)), dt))
t = t2
mpv.flip()
mpv.shutdown()
os._exit(0)
pause = False
CH_UP = "+456"
CH_DOWN = "-123"
def key(k):
nonlocal speed_i, pitch_i, pause
if k == 'KEY_ESCAPE':
mpv.shutdown()
os._exit(0)
elif k == 'f':
display.toggle_fullscreen()
elif k == '[' and speed_i > -12:
speed_i -= 1
print("Speed: %d" % speed_i)
mpv.set_speed(2**(-speed_i/12.0))
elif k == ']' and speed_i < 12:
speed_i += 1
print("Speed: %d" % speed_i)
mpv.set_speed(2**(-speed_i/12.0))
elif k == 'KEY_UP' and pitch_i < 12:
pitch_i += 1
print("Pitch: %d" % pitch_i)
mpv.set_pitch(2**(pitch_i/12.0))
elif k == 'KEY_DOWN' and pitch_i > -12:
pitch_i -= 1
print("Pitch: %d" % pitch_i)
mpv.set_pitch(2**(pitch_i/12.0))
elif k in CH_UP:
idx = CH_UP.index(k)
if len(channels_i) > idx and channels_i[idx] < 30:
channels_i[idx] += 1
print("Channel %d: %d" % (idx, channels_i[idx]))
mpv.set_channel(idx, channels_i[idx]/10.0)
elif k in CH_DOWN:
idx = CH_DOWN.index(k)
if len(channels_i) > idx and channels_i[idx] > 0:
channels_i[idx] -= 1
print("Channel %d: %d" % (idx, channels_i[idx]))
mpv.set_channel(idx, channels_i[idx]/10.0)
elif k == 'KEY_LEFT':
mpv.seek(-10)
elif k == 'KEY_RIGHT':
mpv.seek(10)
elif k == ' ':
pause = not pause
t = time.time()
mpv.set_pause(pause)
print("P %.03f" % (time.time()-t))
mpv.play()
display.set_render_gen(render)
display.set_keyboard_handler(key)
display.main_loop()
mpv.shutdown()
parser = util.get_argparser()
parser.add_argument(
'songpath', metavar='SONGPATH', help='path to the song file')
parser.add_argument(
'quant', metavar='QUANT', type=int, help='quantization of the song')
parser.add_argument(
'--speed', default=1.0, type=float, help='divisor of the audio speed')
parser.add_argument(
'--position', default=0.0, type=float,
help='starting position in the song, in seconds')
opts = util.get_opts()
s = song.Song(opts.songpath, ignore_steps=True)
display = graphics.Display(1280,720)
renderer = graphics.get_renderer().KaraokeRenderer(display)
layout = layout.SongLayout(s, list(s.variants.keys())[-1], renderer)
step = 0
cur_beat = 0
compound = None
compounds = iter(s.compounds)
mpv = mpvplayer.Player(None)
mpv.load_song(s)
mpv.set_speed(opts.speed)
if opts.position > 0.0:
mpv.seek_to(opts.position)
def _load_lyrics(self, s):
telop = self.root.find("telop")
renderer = graphics.get_renderer().KaraokeRenderer(self.display)
lyt = layout.SongLayout(s,
list(s.variants.keys())[opts.variant],
renderer)
lines = lyt.lines[song.TagInfo.BOTTOM]
class Page(object):
pass
def ms(i):
return str(int(round(i * 1000)))
def color(rgb):
r, g, b = rgb
return "%d" % (r | (g << 8) | (b << 16))
# Group lines into pages
pages = []
page = Page()
page.lines = {}
last = None
for l in lines:
if l.row in page.lines or (last and (l.row > last.row
or l.start > last.end)):
pages.append(page)
page = Page()
page.lines = {}
page.lines[l.row] = l
last = l
pages.append(page)
# Compute page show/hide times
prev = None
pages2 = []
for page in pages:
lines = page.lines
page.start = min(l.start for l in lines.values())
page.min_start = min(l._start_t for l in lines.values())
page.end = max(l.end for l in lines.values())
page.min_end = max(l._end_t for l in lines.values())
if prev and page.start < prev.end:
page.start = min(page.min_start, prev.end)
if prev and page.start < prev.end:
prev.end = max(prev.min_end, page.start)
if prev and page.start < prev.end:
li = " ".join(
repr(v.molecules[0][0].text)
for k, v in sorted(lines.items(), reverse=True))
raise Exception("overlapping lines! %r" % (li))
prev = page
pages2.append(page)
# Generate XML
for page in pages:
pe = ET.Element("page")
pe.append(self._tag("show_time", ms(page.start)))
pe.append(self._tag("hide_time", ms(page.end)))
pe.append(self._tag("paint_timing", "0"))
pe.append(self._tag("layout", "xing_0"))
t = page.min_start
styles = None
for i in range(max(page.lines.keys()), -1, -1):
le = ET.Element("line")
text = ""
if i not in page.lines:
if styles:
styles = [[styles[-1][0], 0, 0]]
else:
styles = [[
page.lines.values()[0].molecules[0].style, 0, 0
]]
# dummy line
w = ET.Element("word")
w.append(self._tag("text", " "))
w.append(self._tag("start_time", ms(t)))
w.append(self._tag("end_time", ms(t)))
le.append(w)
text = " "
width = cwidth = 0
align = 0
else:
line = page.lines[i]
align = line.align
ruby = []
styles = []
for idx, instance in enumerate(line.molecules):
mol = instance.molecule
step = 0
start_pos = len(text)
for atom in mol.atoms:
start, end = instance.get_atom_time(
step, atom.steps)
t = max(t, end)
step += atom.steps
w = ET.Element("word")
w.append(self._tag("text", atom.text))
w.append(self._tag("start_time", ms(start)))
w.append(self._tag("end_time", ms(end)))
le.append(w)
if atom.particles is not None:
edge = len(atom.text)
edge_l = 0
if atom.particle_edge:
edge = atom.particle_edge
if atom.particle_edge_l:
edge_l = atom.particle_edge_l
rt = ""
for i in atom.particles:
rt += i.text
r = ET.Element("ruby")
r.append(self._tag("text", rt))
r.append(
self._tag("start_pos",
"%d" % (len(text) + edge_l)))
r.append(
self._tag("end_pos",
"%d" % (len(text) + edge - 1)))
ruby.append(r)
text += atom.text
if idx != (len(line.molecules) - 1):
text += " "
w[0].text += " "
if styles and instance.style == styles[-1]:
styles[-1][2] = len(text) - 1
else:
styles.append(
[instance.style, start_pos,
len(text) - 1])
for r in ruby:
le.append(r)
print(text)
width = line.max_px - line.min_px
cwidth = len(text)
for i in text:
ew = unicodedata.east_asian_width(i)
if ew in ("F", "W", "A"):
cwidth += 1
if cwidth > 26:
print(" ^-- WARNING: Line likely too long")
for style, start, end in styles:
e = ET.Element("color")
e.append(
self._tag("before_text_color", color(style.colors[0])))
e.append(
self._tag("after_text_color",
color(style.colors_on[0])))
e.append(
self._tag("before_shadow_color",
color(style.colors[1])))
e.append(
self._tag("after_shadow_color",
color(style.colors_on[1])))
e.append(
self._tag("before_text_no_fill_color",
color(style.colors[0])))
e.append(
self._tag("after_text_no_fill_color",
color(style.colors_on[0])))
e.append(
self._tag("before_shadow_no_fill_color",
color(style.colors[1])))
e.append(
self._tag("after_shadow_no_fill_color",
color(style.colors_on[1])))
e.append(self._tag("start_pos", "%d" % start))
e.append(self._tag("end_pos", "%d" % end))
e.append(
self._tag(
"no_fill",
"1" if style.colors == style.colors_on else "0"))
le.append(e)
e = ET.Element("duet")
e.append(self._tag("mark", "0"))
e.append(self._tag("start_pos", "0"))
e.append(self._tag("end_pos", "%d" % (len(text) - 1)))
le.append(e)
e = ET.Element("offset")
w = 720
margin = 54
offset = margin + (w * (1 - width) - 2 * margin) * align
if offset < 0 or offset + w * width > w - margin:
print(" ^-- WARNING: Line too wide")
# 0 = default
# 1 = offset from default
# 2 = abs left side
e.append(self._tag("type", "2"))
e.append(self._tag("auto_pos", "0"))
e.append(self._tag("offset", "%d" % round(offset)))
le.append(e)
pe.append(le)
telop.append(pe)
self.root.remove(telop)
self.root.append(telop)
telop_edit_setting = ET.XML("""
<telop_edit_setting>
<music_volume>50</music_volume>
<vocal_volume>50</vocal_volume>
</telop_edit_setting>
""".replace("\n", "").replace(" ", ""))
self.root.append(telop_edit_setting)
def entry():
data_home = os.getenv('XDG_DATA_HOME', '~/.local/share')
songs_dir = os.path.join(data_home, 'blitzloop', 'songs')
def csv_list(s):
return s.split(",")
parser = util.get_argparser()
parser.add_argument('--songdir',
default=os.path.expanduser(songs_dir),
help='directory with songs')
parser.add_argument('--host', default='0.0.0.0', help='IP to listen on')
parser.add_argument('--port',
default=10111,
type=int,
help='port for the UI')
parser.add_argument('--width',
type=int,
default=1024,
help='width of blitzloop window (ignored in fs)')
parser.add_argument('--height',
type=int,
default=768,
help='height of blitzloop window (ignored in fs)')
parser.add_argument(
'--no-audioengine',
action="store_true",
help='Disable JACK-based audio engine (mic echo effect)')
parser.add_argument('--mics',
type=csv_list,
default=["system:capture_1"],
help='Mic input connections (list of JACK ports)')
opts = util.get_opts()
songs_dir = os.path.expanduser(opts.songdir)
print("Loading song DB...")
song_database = songlist.SongDatabase(songs_dir)
print("Done.")
display = graphics.Display(opts.width, opts.height, opts.fullscreen)
renderer = graphics.get_renderer().KaraokeRenderer(display)
mpv = mpvplayer.Player(display)
if not opts.no_audioengine and opts.mics:
from blitzloop._audio import AudioEngine
print(repr(opts.mics))
audio = AudioEngine([s.encode("ascii") for s in opts.mics])
print("Engine sample rate: %dHz" % audio.sample_rate)
queue = songlist.SongQueue()
class AudioConfig(object):
def __init__(self):
self.nmics = len(opts.mics) if not opts.no_audioengine else 0
self.volume = 80
if opts.no_audioengine:
self.mic_channels = []
else:
self.mic_channels = [{"volume": 80} for i in range(self.nmics)]
self.mic_feedback = 20
self.mic_delay = 12
self.headstart = 30
def update(self, song=None):
mpv.set_volume(((self.volume / 100.0)**2) * 0.5)
if not opts.no_audioengine:
for i, j in enumerate(self.mic_channels):
audio.set_mic_volume(i, ((j["volume"] / 100.0)**2) * 2.0)
audio.set_mic_feedback(self.mic_feedback / 100.0)
audio.set_mic_delay(self.mic_delay / 100.0)
audio_config = AudioConfig()
web.database = song_database
web.queue = queue
web.audio_config = audio_config
server = web.ServerThread(host=opts.host, port=opts.port)
server.start()
idle_screen = idlescreen.IdleScreen(display)
def main_render():
# Wait for element in queue
print("Waiting for song to appear in queue...")
qe = None
with queue.lock:
if len(queue) != 0:
qe = queue[0]
if not qe:
idle_screen.reset()
graphics.get_renderer().clear(0, 0, 0, 1)
for f in idle_screen:
audio_config.update()
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
if not qe:
with queue.lock:
if len(queue) != 0:
qe = queue[0]
idle_screen.close()
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Loading audio/video...")
mpv.load_song(qe.song)
display.set_aspect(mpv.aspect)
def update_params(defer=False):
mpv.set_speed(1.0 / (2**(qe.speed / 12.0)))
mpv.set_pitch(2**(qe.pitch / 12.0))
for i, j in enumerate(qe.channels):
mpv.set_channel(i, j["volume"] / 10., defer=defer)
mpv.set_pause(qe.pause)
update_params(True)
mpv.update_mixer(force=True)
print("Laying out song...")
renderer.reset()
variant_key = list(qe.song.variants.keys())[qe.variant]
song_layout = layout.SongLayout(qe.song, variant_key, renderer)
print("Loaded.")
song_time = -10
stopping = False
while not (mpv.eof_reached() or (stopping and qe.pause)):
while qe.commands:
cmd, arg = qe.commands.pop(0)
if cmd == "seek":
mpv.seek(arg)
elif cmd == "seekto":
mpv.seek_to(arg)
mpv.draw()
mpv.poll()
song_time = mpv.get_song_time() or song_time
if qe.stop and not stopping:
stopping = True
mpv.fade_out = 2
mpv.duration = min(mpv.duration, song_time + 2)
if not stopping:
mpv.draw_fade(song_time)
speed = 2**(qe.speed / 12.0)
renderer.draw(song_time + audio_config.headstart / 100.0 * speed,
song_layout)
if stopping:
fade = mpv.draw_fade(song_time)
mpv.set_fadevol(max(fade * 1.3 - 0.3, 0))
update_params()
audio_config.update(qe.song)
yield None
mpv.flip()
graphics.get_renderer().clear(0, 0, 0, 1)
for i in range(2):
yield None
graphics.get_renderer().clear(0, 0, 0, 1)
print("Song complete.")
del song_layout
try:
queue.pop(qe.qid)
except (IndexError, KeyError):
pass
mpv.stop()
display.set_aspect(None)
def main():
while True:
for i in main_render():
yield i
def exit():
print("Exit handler called")
mpv.shutdown()
if not opts.no_audioengine:
audio.shutdown()
server.stop()
print("Exit handler done")
def key(k):
if k == 'KEY_ESCAPE':
display.queue_exit()
elif k == 'f':
display.toggle_fullscreen()
display.set_render_gen(main)
display.set_keyboard_handler(key)
display.set_exit_handler(exit)
display.main_loop()
threads = threading.enumerate()
if len(threads) > 1:
print("Loose threads: %r" % threads)
