def load(self, song):
self.display = graphics.Display(WIDTH, HEIGHT)
mpv = mpvplayer.Player(self.display, rendering=True)
mpv.load_song(song)
self.duration = int(round((mpv.duration or mpv.file_duration) * 1000))
mpv.shutdown()
#Use mpv to get duration only
self._load_music_info(song)
self._load_resources(song)
self._load_lyrics(song)
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:
self.mic_channels = []
opts.display = "surfaceless"
opts.mpv_ao = "null"
if not opts.video:
opts.mpv_vo = "null"
s = song.Song(opts.songpath)
display = graphics.Display(opts.width, opts.height)
import OpenGL.GLES3 as gl
renderer = graphics.get_renderer().KaraokeRenderer(display)
layout = layout.SongLayout(s, list(s.variants.keys())[opts.variant], renderer)
# Get duration of the audio path
mpv = mpvplayer.Player(display)
mpv.load_song(s)
duration = mpv.duration or mpv.file_duration
# Now run for rendering using only video
mpv = mpvplayer.Player(display, rendering=True)
mpv.load_song(s)
if not opts.video:
mpv.shutdown()
print("Song duration: %f" % duration)
if opts.length:
duration = min(duration, opts.length)
song_time = -mpv.offset
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()
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 render():
while True:
gl.glClearColor(0, 0.3, 0, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gl.glLoadIdentity()
renderer.draw(step, layout)
mpv.poll()
yield None
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)