class FpsMeter:
print_fps = True
def __init__(self, name=None):
if name is None:
self._name_argument_string = ""
else:
self._name_argument_string = "(%s)" % name
self._fps_history = collections.deque(maxlen=10)
self._previous_time = None
self._previous_calculated_fps_time = None
self._stopwatch = Stopwatch()
self._fps = None
def update(self):
self._now = self._stopwatch.get_elapsed_time()
if self._previous_time is None:
self._stopwatch.start()
else:
self._update_fps_history()
self._update_fps_if_timely()
self._previous_time = self._now
def _update_fps_history(self):
time_increment = self._now - self._previous_time
fps = 1.0 / time_increment
self._fps_history.append(fps)
def _update_fps_if_timely(self):
if self._previous_calculated_fps_time:
if (self._stopwatch.get_elapsed_time() - self._previous_calculated_fps_time) > 1.0:
self._calculate_fps()
else:
self._calculate_fps()
def _calculate_fps(self):
self._fps = sum(self._fps_history) / len(self._fps_history)
if self.print_fps:
print "FPS%s: %.1f" % (self._name_argument_string, self._fps)
self._previous_calculated_fps_time = self._stopwatch.get_elapsed_time()
def get_fps(self):
return self._fps
class Orchestra:
SAMPLE_RATE = 44100
PLAYABLE_FORMATS = ['mp3', 'flac', 'wav', 'm4b']
JACK = "jack"
SSR = "ssr"
@staticmethod
def add_parser_arguments(parser):
parser.add_argument("--rt", action="store_true", dest="realtime")
parser.add_argument("-t", "--torrent", dest="torrentname", default="")
parser.add_argument("-z", "--timefactor", dest="timefactor", type=float, default=1)
parser.add_argument("--start", dest="start_time", type=float, default=0)
parser.add_argument("-q", "--quiet", action="store_true", dest="quiet")
parser.add_argument("--pretend-sequential", action="store_true", dest="pretend_sequential")
parser.add_argument("--gui", action="store_true", dest="gui_enabled")
parser.add_argument("--predecode", action="store_true", dest="predecode", default=True)
parser.add_argument("--file-location", dest="file_location", default=DOWNLOAD_LOCATION)
parser.add_argument("--fast-forward", action="store_true", dest="ff")
parser.add_argument("--fast-forward-to-start", action="store_true", dest="ff_to_start")
parser.add_argument("--quit-at-end", action="store_true", dest="quit_at_end")
parser.add_argument("--loop", dest="loop", action="store_true")
parser.add_argument("--max-passivity", dest="max_passivity", type=float)
parser.add_argument("--max-pause-within-segment", dest="max_pause_within_segment", type=float)
parser.add_argument("--looped-duration", dest="looped_duration", type=float)
parser.add_argument("-o", "--output", dest="output", type=str, default=Orchestra.JACK)
parser.add_argument("--include-non-playable", action="store_true")
parser.add_argument("-f", "--file", dest="selected_files", type=int, nargs="+")
parser.add_argument("--no-synth", action="store_true")
parser.add_argument("--locate-peers", action="store_true")
_extension_re = re.compile('\.(\w+)$')
def __init__(self, sessiondir, tr_log, options):
self.options = options
self.sessiondir = sessiondir
self.tr_log = tr_log
self.realtime = options.realtime
self.timefactor = options.timefactor
self.quiet = options.quiet
self.predecode = options.predecode
self.file_location = options.file_location
self._loop = options.loop
self._max_passivity = options.max_passivity
self.looped_duration = options.looped_duration
self.output = options.output
self.include_non_playable = options.include_non_playable
if options.locate_peers:
import geo.ip_locator
self._peer_location = {}
ip_locator = geo.ip_locator.IpLocator()
for peeraddr in tr_log.peers:
self._peer_location[peeraddr] = ip_locator.locate(peeraddr)
if options.predecode:
predecoder = Predecoder(tr_log, options.file_location, self.SAMPLE_RATE)
predecoder.decode()
if options.selected_files:
tr_log.select_files(options.selected_files)
self.playback_enabled = True
self.fast_forwarding = False
self._log_time_for_last_handled_event = 0
self.gui = None
self._check_which_files_are_audio()
if options.no_synth:
self.synth = None
else:
from synth_controller import SynthController
self.synth = SynthController()
self._create_players()
self._prepare_playable_files()
self.stopwatch = Stopwatch()
self.playable_chunks = self._filter_playable_chunks(tr_log.chunks)
if self.include_non_playable:
self.chunks = tr_log.chunks
self._num_selected_files = len(self.tr_log.files)
else:
self.chunks = self.playable_chunks
self._num_selected_files = self._num_playable_files
logger.debug("total num chunks: %s" % len(tr_log.chunks))
logger.debug("num playable chunks: %s" % len(self.playable_chunks))
logger.debug("num selected chunks: %s" % len(self.chunks))
self._interpret_chunks_to_score(options.max_pause_within_segment)
self._chunks_by_id = {}
self.segments_by_id = {}
self._playing = False
self._quitting = False
self.space = Space()
if options.ff_to_start:
self._ff_to_time = options.start_time
self.set_time_cursor(0)
else:
self._ff_to_time = None
self.set_time_cursor(options.start_time)
self.scheduler = sched.scheduler(time.time, time.sleep)
self._run_scheduler_thread()
if self.output == self.SSR:
self.ssr = SsrControl()
self._warned_about_max_sources = False
else:
self.ssr = None
def _interpret_chunks_to_score(self, max_pause_within_segment):
self.score = Interpreter(max_pause_within_segment).interpret(self.playable_chunks, self.tr_log.files)
if self._max_passivity:
self._reduce_max_passivity_in_score()
for segment in self.score:
segment["duration"] /= self.timefactor
def _reduce_max_passivity_in_score(self):
previous_onset = 0
reduced_time = 0
for i in range(len(self.score)):
if (self.score[i]["onset"] - reduced_time - previous_onset) > self._max_passivity:
reduced_time += self.score[i]["onset"] - reduced_time - previous_onset - self._max_passivity
self.score[i]["onset"] -= reduced_time
previous_onset = self.score[i]["onset"]
def _filter_playable_chunks(self, chunks):
return filter(lambda chunk: (self._chunk_is_playable(chunk)),
chunks)
def _chunk_is_playable(self, chunk):
file_info = self.tr_log.files[chunk["filenum"]]
return file_info["playable_file_index"] != -1
def _run_scheduler_thread(self):
self._scheduler_thread = threading.Thread(target=self._process_scheduled_events)
self._scheduler_thread.daemon = True
self._scheduler_thread.start()
def _process_scheduled_events(self):
while not self._quitting:
self.scheduler.run()
time.sleep(0.01)
def _handle_visualizing_message(self, path, args, types, src, data):
segment_id = args[0]
segment = self.segments_by_id[segment_id]
logger.debug("visualizing segment %s" % segment)
if self.output == self.SSR:
if segment["sound_source_id"]:
channel = segment["sound_source_id"] - 1
self._ask_synth_to_play_segment(segment, channel=channel, pan=None)
else:
player = self.get_player_for_segment(segment)
self._ask_synth_to_play_segment(segment, channel=0, pan=player.spatial_position.pan)
def _ask_synth_to_play_segment(self, segment, channel, pan):
if self.synth:
logger.debug("asking synth to play %s" % segment)
file_info = self.tr_log.files[segment["filenum"]]
self.synth.play_segment(
segment["id"],
segment["filenum"],
segment["start_time_in_file"] / file_info["duration"],
segment["end_time_in_file"] / file_info["duration"],
segment["duration"],
self.looped_duration,
channel,
pan)
self.scheduler.enter(
segment["playback_duration"], 1,
self.stopped_playing, [segment])
def _check_which_files_are_audio(self):
for file_info in self.tr_log.files:
file_info["is_audio"] = self._has_audio_extension(file_info["name"])
@staticmethod
def _has_audio_extension(filename):
return Orchestra._extension(filename) in Orchestra.PLAYABLE_FORMATS
@staticmethod
def _extension(filename):
m = Orchestra._extension_re.search(filename)
if m:
return m.group(1).lower()
def _create_players(self):
self._player_class = WavPlayer
self.players = []
self._player_for_peer = dict()
def _prepare_playable_files(self):
if self.predecode:
self._get_wav_files_info()
self._load_sounds()
else:
raise Exception("playing wav without precoding is not supported")
def _load_sounds(self):
if self.synth:
print "loading sounds"
for filenum in range(len(self.tr_log.files)):
file_info = self.tr_log.files[filenum]
if file_info["playable_file_index"] != -1:
logger.debug("load_sound(%s)" % file_info["decoded_name"])
result = self.synth.load_sound(filenum, file_info["decoded_name"])
logger.debug("result: %s" % result)
print "OK"
def _get_wav_files_info(self):
playable_file_index = 0
for filenum in range(len(self.tr_log.files)):
file_info = self.tr_log.files[filenum]
file_info["playable_file_index"] = -1
if "decoded_name" in file_info:
file_info["duration"] = self._get_file_duration(file_info)
if file_info["duration"] > 0:
file_info["num_channels"] = self._get_num_channels(file_info)
file_info["playable_file_index"] = playable_file_index
logger.debug("duration for %r: %r\n" %
(file_info["name"], file_info["duration"]))
playable_file_index += 1
if self.include_non_playable:
file_info["index"] = filenum
else:
file_info["index"] = file_info["playable_file_index"]
self._num_playable_files = playable_file_index
def _get_file_duration(self, file_info):
if "decoded_name" in file_info:
cmd = 'soxi -D "%s"' % file_info["decoded_name"]
try:
stdoutdata, stderrdata = subprocess.Popen(
cmd, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
return float(stdoutdata)
except:
logger.debug("failed to get duration for %s" % file_info["decoded_name"])
return 0
def _get_num_channels(self, file_info):
if "decoded_name" in file_info:
cmd = 'soxi -c "%s"' % file_info["decoded_name"]
stdoutdata, stderrdata = subprocess.Popen(
cmd, shell=True, stdout=subprocess.PIPE).communicate()
return int(stdoutdata)
def get_current_log_time(self):
if self.fast_forwarding:
return self._log_time_for_last_handled_event
else:
return self.log_time_played_from + self.stopwatch.get_elapsed_time() * self.timefactor
def play_non_realtime(self, quit_on_end=False):
logger.debug("entering play_non_realtime")
if self._loop:
while True:
self._play_until_end()
self.set_time_cursor(0)
else:
self._play_until_end()
if quit_on_end:
self._quitting = True
logger.debug("leaving play_non_realtime")
def _play_until_end(self):
logger.debug("entering _play_until_end")
self._playing = True
self.stopwatch.start()
no_more_events = False
while self._playing and not no_more_events:
event = self._get_next_chunk_or_segment()
if event:
self._handle_event(event)
else:
no_more_events = True
logger.debug("leaving _play_until_end")
def _get_next_chunk_or_segment(self):
logger.debug("chunk index = %d, segment index = %d" % (
self.current_chunk_index, self.current_segment_index))
chunk = self._get_next_chunk()
segment = self._get_next_segment()
logger.debug("next chunk: %s" % chunk)
logger.debug("next segment: %s" % segment)
if chunk and segment:
return self._choose_nearest_chunk_or_segment(chunk, segment)
elif chunk:
return {"type": "chunk",
"chunk": chunk}
elif segment:
return {"type": "segment",
"segment": segment}
else:
return None
def _get_next_chunk(self):
if self.current_chunk_index < len(self.chunks):
return self.chunks[self.current_chunk_index]
def _get_next_segment(self):
if len(self.score) == 0:
return None
elif self.current_segment_index < len(self.score):
return self.score[self.current_segment_index]
def _handle_event(self, event):
if event["type"] == "chunk":
self.handle_chunk(event["chunk"])
self.current_chunk_index += 1
elif event["type"] == "segment":
self.handle_segment(event["segment"])
self.current_segment_index += 1
else:
raise Exception("unexpected event %s" % event)
def _choose_nearest_chunk_or_segment(self, chunk, segment):
if chunk["t"] < segment["onset"]:
return {"type": "chunk",
"chunk": chunk}
else:
return {"type": "segment",
"segment": segment}
def stop(self):
if self.synth:
self.synth.stop_all()
self._playing = False
self.log_time_played_from = self.get_current_log_time()
self.stopwatch.stop()
def handle_segment(self, segment):
logger.debug("handling segment %s" % segment)
player = self.get_player_for_segment(segment)
if not player:
logger.debug("get_player_for_segment returned None - skipping playback")
if self.fast_forwarding:
self._stop_ff_if_necessary()
else:
now = self.get_current_log_time()
time_margin = segment["onset"] - now
logger.debug("time_margin=%f-%f=%f" % (segment["onset"], now, time_margin))
if not self.realtime and time_margin > 0:
sleep_time = time_margin
logger.debug("sleeping %f" % sleep_time)
time.sleep(sleep_time)
if player:
logger.debug("player.enabled=%s" % player.enabled)
if player and player.enabled:
player.play(segment, pan=0.5)
self._log_time_for_last_handled_event = segment["onset"]
def handle_chunk(self, chunk):
logger.debug("handling chunk %s" % chunk)
player = self.get_player_for_chunk(chunk)
logger.debug("get_player_for_chunk returned %s" % player)
if self.fast_forwarding:
self._stop_ff_if_necessary()
else:
now = self.get_current_log_time()
time_margin = chunk["t"] - now
logger.debug("time_margin=%f-%f=%f" % (chunk["t"], now, time_margin))
if not self.realtime and time_margin > 0:
sleep_time = time_margin
logger.debug("sleeping %f" % sleep_time)
time.sleep(sleep_time)
if player:
logger.debug("player.enabled=%s" % player.enabled)
if player and player.enabled:
player.visualize(chunk)
self._log_time_for_last_handled_event = chunk["t"]
def _stop_ff_if_necessary(self):
if self._ff_to_time is not None and \
self._log_time_for_last_handled_event >= self._ff_to_time:
self._ff_to_time = None
self.fast_forwarding = False
self.set_time_cursor(self.log_time_played_from)
def highlight_segment(self, segment):
if self.gui:
self.gui.highlight_segment(segment)
def visualize_chunk(self, chunk, player):
if len(self.visualizers) > 0:
file_info = self.tr_log.files[chunk["filenum"]]
self._chunks_by_id[chunk["id"]] = chunk
self._tell_visualizers(
"/chunk",
chunk["id"],
chunk["begin"],
chunk["end"] - chunk["begin"],
file_info["index"],
player.id,
chunk["t"])
def visualize_segment(self, segment, player):
if len(self.visualizers) > 0:
if self.ssr:
segment["sound_source_id"] = self.ssr.allocate_source()
if not segment["sound_source_id"] and not self._warned_about_max_sources:
print "WARNING: max sources exceeded, skipping segment playback (this warning will not be repeated)"
self._warned_about_max_sources = True
file_info = self.tr_log.files[segment["filenum"]]
self.segments_by_id[segment["id"]] = segment
self._tell_visualizers(
"/segment",
segment["id"],
segment["begin"],
segment["end"] - segment["begin"],
file_info["index"],
player.id,
segment["t"],
segment["playback_duration"])
else:
self._ask_synth_to_play_segment(segment, channel=0, pan=0.5)
def stopped_playing(self, segment):
logger.debug("stopped segment %s" % segment)
if self.gui:
self.gui.unhighlight_segment(segment)
if len(self.visualizers) > 0:
if self.ssr and segment["sound_source_id"]:
self.ssr.free_source(segment["sound_source_id"])
def play_segment(self, segment, player):
self.segments_by_id[segment["id"]] = segment
if self.looped_duration:
segment["playback_duration"] = self.looped_duration
else:
segment["playback_duration"] = segment["duration"]
self.visualize_segment(segment, player)
def _send_torrent_info_to_uninformed_visualizers(self):
for visualizer in self.visualizers:
if not visualizer.informed_about_torrent:
self._send_torrent_info_to_visualizer(visualizer)
def _send_torrent_info_to_visualizer(self, visualizer):
visualizer.send(
"/torrent",
self._num_selected_files,
self.tr_log.lastchunktime(),
self.tr_log.total_file_size(),
len(self.chunks),
len(self.score))
for filenum in range(len(self.tr_log.files)):
file_info = self.tr_log.files[filenum]
if self.include_non_playable or file_info["playable_file_index"] != -1:
visualizer.send(
"/file",
file_info["index"],
file_info["offset"],
file_info["length"])
visualizer.informed_about_torrent = True
def get_player_for_chunk(self, chunk):
try:
return chunk["player"]
except KeyError:
peer_player = self.get_player_for_peer(chunk["peeraddr"])
chunk["player"] = peer_player
return peer_player
def get_player_for_segment(self, segment):
try:
return segment["player"]
except KeyError:
peer_player = self.get_player_for_peer(segment["peeraddr"])
segment["player"] = peer_player
return peer_player
def get_player_for_peer(self, peeraddr):
peer_player = None
try:
peer_player = self._player_for_peer[peeraddr]
except KeyError:
peer_player = self._create_player(peeraddr)
self.players.append(peer_player)
self._player_for_peer[peeraddr] = peer_player
return peer_player
def _create_player(self, addr):
count = len(self.players)
logger.debug("creating player number %d" % count)
player = self._player_class(self, count)
if self.options.locate_peers and self._peer_location[addr] is not None:
x, y = self._peer_location[addr]
location_str = "%s,%s" % (x, y)
else:
location_str = ""
self._tell_visualizers(
"/peer", player.id, addr, player.spatial_position.bearing, location_str)
return player
def set_time_cursor(self, log_time):
assert not self.realtime
logger.debug("setting time cursor at %f" % log_time)
self.log_time_played_from = log_time
if self._playing:
self.stopwatch.restart()
self.current_chunk_index = self._get_current_chunk_index()
self.current_segment_index = self._get_current_segment_index()
def _get_current_chunk_index(self):
index = 0
next_to_last_index = len(self.chunks) - 2
while index < next_to_last_index:
if self.chunks[index+1]["t"] >= self.log_time_played_from:
return index
index += 1
return len(self.chunks) - 1
def _get_current_segment_index(self):
index = 0
next_to_last_index = len(self.score) - 2
while index < next_to_last_index:
if self.score[index+1]["onset"] >= self.log_time_played_from:
return index
index += 1
return len(self.score) - 1
def _handle_set_listener_position(self, path, args, types, src, data):
if self.ssr:
x, y = args
self.ssr.set_listener_position(x, y)
def _handle_set_listener_orientation(self, path, args, types, src, data):
if self.ssr:
orientation = args[0]
self.ssr.set_listener_orientation(orientation)
def _handle_place_segment(self, path, args, types, src, data):
segment_id, x, y, duration = args
if self.ssr:
segment = self.segments_by_id[segment_id]
sound_source_id = segment["sound_source_id"]
if sound_source_id is not None:
self.ssr.place_source(sound_source_id, x, y, duration)
else:
pan = self._spatial_position_to_stereo_pan(x, y)
if self.synth:
self.synth.pan(segment_id, pan)
def _handle_enable_smooth_movement(self, path, args, types, src, data):
if self.ssr:
self.ssr.enable_smooth_movement()
def _handle_start_segment_movement_from_peer(self, path, args, types, src, data):
segment_id, duration = args
if self.ssr:
segment = self.segments_by_id[segment_id]
sound_source_id = segment["sound_source_id"]
if sound_source_id is not None:
player = self.get_player_for_segment(segment)
self.ssr.start_source_movement(
sound_source_id, player.trajectory, duration)
def _spatial_position_to_stereo_pan(self, x, y):
# compare rectangular_visualizer.Visualizer.pan_segment
# NOTE: assumes default listener position and orientation!
return float(x) / 5 + 0.5
def reset(self):
self._free_sounds()
self._tell_visualizers("/reset")
def _free_sounds(self):
if self.synth:
for filenum in range(len(self.tr_log.files)):
file_info = self.tr_log.files[filenum]
if file_info["playable_file_index"] != -1:
self.synth.free_sound(filenum)
def _tell_visualizers(self, *args):
self._send_torrent_info_to_uninformed_visualizers()
self.server._tell_visualizers(*args)
class MainWindow(QtGui.QWidget):
def __init__(self, experiment):
QtGui.QMainWindow.__init__(self)
experiment.window = self
self._experiment = experiment
self._layout = QtGui.QVBoxLayout()
self.sliders = {}
self.setLayout(self._layout)
self._add_parameter_form()
self._add_map_view()
self._create_menu()
self._generate_map_and_path()
self.stopwatch = Stopwatch()
self._frame_count = 0
timer = QtCore.QTimer(self)
timer.setInterval(1000. / FRAME_RATE)
QtCore.QObject.connect(timer, QtCore.SIGNAL('timeout()'), self._update)
timer.start()
def _add_map_view(self):
self._map_view = MapView(self, experiment)
self._layout.addWidget(self._map_view)
def _add_parameter_form(self):
layout = QtGui.QFormLayout()
self._add_slider(layout, "novelty")
self._add_slider(layout, "extension")
self._add_slider(layout, "location_preference")
self._layout.addLayout(layout)
def _add_slider(self, layout, name):
slider = QtGui.QSlider(QtCore.Qt.Horizontal)
slider.setRange(0, SLIDER_PRECISION)
slider.setSingleStep(1)
slider.setValue(0.0)
layout.addRow(name, slider)
self.sliders[name] = slider
def _create_menu(self):
menu_bar = QtGui.QMenuBar()
self._layout.setMenuBar(menu_bar)
self._menu = menu_bar.addMenu("Navigator test")
self._add_generate_new_path_action()
self._add_extend_path_action()
self._add_generate_map_action()
def _add_generate_new_path_action(self):
action = QtGui.QAction('Generate new &path', self)
action.setShortcut('Ctrl+P')
action.triggered.connect(self._experiment.generate_new_path)
self._menu.addAction(action)
def _add_extend_path_action(self):
action = QtGui.QAction('&Extend path', self)
action.setShortcut('Ctrl+E')
action.triggered.connect(self._experiment.extend_path)
self._menu.addAction(action)
def _add_generate_map_action(self):
action = QtGui.QAction('Generate &map', self)
action.setShortcut('Ctrl+M')
action.triggered.connect(self._generate_map_and_path)
self._menu.addAction(action)
def _generate_map_and_path(self):
self._experiment.generate_map()
self._experiment.create_navigator()
self._experiment.generate_new_path()
def _update(self):
self.now = self.stopwatch.get_elapsed_time()
if self._frame_count == 0:
self.stopwatch.start()
else:
time_increment = self.now - self.previous_frame_time
self._experiment.proceed(time_increment)
self._map_view.updateGL()
self.previous_frame_time = self.now
self._frame_count += 1
class MainWindow(QtGui.QWidget):
def __init__(self, experiment):
QtGui.QMainWindow.__init__(self)
experiment.window = self
self._experiment = experiment
self._layout = QtGui.QVBoxLayout()
self.setLayout(self._layout)
self._add_parameter_form()
self._add_map_view()
self._create_menu()
self.stopwatch = Stopwatch()
self._frame_count = 0
timer = QtCore.QTimer(self)
timer.setInterval(1000. / FRAME_RATE)
QtCore.QObject.connect(timer, QtCore.SIGNAL('timeout()'), self._update)
timer.start()
def _add_map_view(self):
self._map_view = MapView(self, experiment)
self._layout.addWidget(self._map_view)
def _add_parameter_form(self):
self._parameter_sliders = {}
layout = QtGui.QFormLayout()
for parameter_name in PARAMETERS:
default_value = getattr(args, parameter_name)
self._add_slider(layout, parameter_name, default_value)
self._layout.addLayout(layout)
def _add_slider(self, layout, name, default_value):
slider = QtGui.QSlider(QtCore.Qt.Horizontal)
slider.setRange(0, SLIDER_PRECISION)
slider.setSingleStep(1)
slider.setValue(int(default_value * SLIDER_PRECISION))
slider.valueChanged.connect(lambda event: self.update_flaneur_parameter(name))
layout.addRow(name, slider)
self._parameter_sliders[name] = slider
def update_flaneur_parameter(self, parameter_name):
slider = self._parameter_sliders[parameter_name]
value = float(slider.value()) / SLIDER_PRECISION
setattr(self._experiment.flaneur, parameter_name, value)
def _create_menu(self):
menu_bar = QtGui.QMenuBar()
self._layout.setMenuBar(menu_bar)
self._menu = menu_bar.addMenu("Flaneur test")
self._add_reset_action()
self._add_generate_map_action()
def _add_reset_action(self):
action = QtGui.QAction('Reset', self)
action.setShortcut('R')
action.triggered.connect(self._experiment.reset)
self._menu.addAction(action)
def _add_generate_map_action(self):
action = QtGui.QAction('Generate &map', self)
action.setShortcut('Ctrl+M')
action.triggered.connect(self._generate_map)
self._menu.addAction(action)
def _generate_map(self):
self._experiment.generate_map()
def _update(self):
self.now = self.stopwatch.get_elapsed_time()
if self._frame_count == 0:
self.stopwatch.start()
else:
time_increment = self.now - self.previous_frame_time
self._experiment.proceed(time_increment)
self._map_view.updateGL()
self.previous_frame_time = self.now
self._frame_count += 1
class Window:
def __init__(self, args):
self.args = args
self.width = args.width
self.height = args.height
self.margin = args.margin
self.show_fps = args.show_fps
self.gl_display_mode = GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH
self._fullscreen = False
self.exiting = False
self._frames = []
self.time_increment = 0
self.stopwatch = Stopwatch()
self._frame_count = 0
self._set_camera_position(CAMERA_POSITION)
self._set_camera_orientation(CAMERA_Y_ORIENTATION, CAMERA_X_ORIENTATION)
self.fovy = 45
self.near = 0.1
self.far = 100.0
self._text_renderer_class = getattr(text_renderer_module, TEXT_RENDERERS[args.text_renderer])
if self.show_fps:
self.fps_history = collections.deque(maxlen=10)
self.previous_shown_fps_time = None
def run(self):
self.window_width = self.width + self.margin*2
self.window_height = self.height + self.margin*2
glutInit(sys.argv)
if self.args.left is None:
self._left = (glutGet(GLUT_SCREEN_WIDTH) - self.window_width) / 2
else:
self._left = self.args.left
if self.args.top is None:
self._top = (glutGet(GLUT_SCREEN_HEIGHT) - self.window_height) / 2
else:
self._top = self.args.top
glutInitDisplayMode(self.gl_display_mode)
glutInitWindowSize(self.window_width, self.window_height)
self._non_fullscreen_window = glutCreateWindow("")
glutDisplayFunc(self.DrawGLScene)
glutIdleFunc(self.DrawGLScene)
glutReshapeFunc(self.ReSizeGLScene)
glutKeyboardFunc(self.keyPressed)
self.InitGL()
glutPositionWindow(self._left, self._top)
if self.args.fullscreen:
self._open_fullscreen_window()
self._fullscreen = True
self.ReSizeGLScene(self.window_width, self.window_height)
glutMainLoop()
def _open_fullscreen_window(self):
glutGameModeString("%dx%d:32@75" % (self.window_width, self.window_height))
glutEnterGameMode()
glutSetCursor(GLUT_CURSOR_NONE)
glutDisplayFunc(self.DrawGLScene)
glutIdleFunc(self.DrawGLScene)
glutReshapeFunc(self.ReSizeGLScene)
glutKeyboardFunc(self.keyPressed)
self.InitGL()
glutPositionWindow(self._left, self._top)
def InitGL(self):
glClearColor(1.0, 1.0, 1.0, 0.0)
glClearAccum(0.0, 0.0, 0.0, 0.0)
glClearDepth(1.0)
glShadeModel(GL_SMOOTH)
def ReSizeGLScene(self, window_width, window_height):
self.window_width = window_width
self.window_height = window_height
if window_height == 0:
window_height = 1
glViewport(0, 0, window_width, window_height)
self.width = window_width - 2*self.margin
self.height = window_height - 2*self.margin
self._aspect_ratio = float(window_width) / window_height
self.min_dimension = min(self.width, self.height)
self.configure_2d_projection()
self.resized_window()
def resized_window(self):
pass
def configure_2d_projection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, self.window_width, self.window_height, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
def _set_camera_position(self, position):
self._camera_position = position
def _set_camera_orientation(self, y_orientation, x_orientation):
self._camera_y_orientation = y_orientation
self._camera_x_orientation = x_orientation
def configure_3d_projection(self, pixdx=0, pixdy=0):
fov2 = ((self.fovy*math.pi) / 180.0) / 2.0
top = self.near * math.tan(fov2)
bottom = -top
right = top * self._aspect_ratio
left = -right
xwsize = right - left
ywsize = top - bottom
dx = -(pixdx*xwsize/self.width)
dy = -(pixdy*ywsize/self.height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glFrustum (left + dx, right + dx, bottom + dy, top + dy, self.near, self.far)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glRotatef(self._camera_x_orientation, 1.0, 0.0, 0.0)
glRotatef(self._camera_y_orientation, 0.0, 1.0, 0.0)
glTranslatef(self._camera_position.x, self._camera_position.y, self._camera_position.z)
def DrawGLScene(self):
if self.exiting:
glutDestroyWindow(glutGetWindow())
return
try:
self._draw_gl_scene_error_handled()
except Exception as error:
traceback_printer.print_traceback()
self.exiting = True
raise error
def _draw_gl_scene_error_handled(self):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glLoadIdentity()
self.now = self.current_time()
if self._frame_count == 0:
self.stopwatch.start()
else:
self.time_increment = self.now - self.previous_frame_time
self.configure_2d_projection()
glTranslatef(self.margin, self.margin, 0)
self._render_frames()
self.render()
if self.show_fps:
self.update_fps_history()
self.show_fps_if_timely()
glutSwapBuffers()
self.previous_frame_time = self.now
self._frame_count += 1
def current_time(self):
return self.stopwatch.get_elapsed_time()
def update_fps_history(self):
if self.time_increment > 0:
fps = 1.0 / self.time_increment
self.fps_history.append(fps)
def show_fps_if_timely(self):
if self.previous_shown_fps_time:
if (self.now - self.previous_shown_fps_time) > 1.0:
self.calculate_and_show_fps()
else:
self.calculate_and_show_fps()
def calculate_and_show_fps(self):
print sum(self.fps_history) / len(self.fps_history)
self.previous_shown_fps_time = self.now
def keyPressed(self, key, x, y):
if key == ESCAPE:
self.exiting = True
elif key == 's':
self._dump_screen()
elif key == 'f':
if self._fullscreen:
glutSetCursor(GLUT_CURSOR_INHERIT)
glutLeaveGameMode()
glutSetWindow(self._non_fullscreen_window)
self._fullscreen = False
else:
self._open_fullscreen_window()
self._fullscreen = True
def new_layer(self, rendering_function):
layer = Layer(rendering_function, self.new_display_list_id())
self._layers.append(layer)
return layer
def new_display_list_id(self):
return glGenLists(1)
def draw_text(self, text, size, x, y, z, font=None, spacing=None,
v_align="left", h_align="top"):
if font is None:
font = self.args.font
self.text_renderer(text, size, font).render(x, y, z, v_align, h_align)
def text_renderer(self, text, size, font=None):
if font is None:
font = self.args.font
return self._text_renderer_class(self, text, size, font)
@staticmethod
def add_parser_arguments(parser):
parser.add_argument('-width', dest='width', type=int, default=1024)
parser.add_argument('-height', dest='height', type=int, default=768)
parser.add_argument('-margin', dest='margin', type=int, default=0)
parser.add_argument("-left", type=int)
parser.add_argument("-top", type=int)
parser.add_argument("-fullscreen", action="store_true")
parser.add_argument('-show-fps', dest='show_fps', action='store_true')
parser.add_argument("--text-renderer", choices=TEXT_RENDERERS.keys(), default="glut")
parser.add_argument("--font", type=str)
def add_frame(self, frame):
self._frames.append(frame)
def _render_frames(self):
for frame in self._frames:
frame.render_with_border()
class Experiment(EventListener):
@staticmethod
def add_parser_arguments(parser):
parser.add_argument("-profile", "-p")
parser.add_argument("-entity", type=str)
parser.add_argument("-train", action="store_true")
parser.add_argument("-training-data", type=str)
parser.add_argument("-training-duration", type=float)
parser.add_argument("-training-data-frame-rate", type=int, default=50)
parser.add_argument("-bvh", type=str,
help="If provided, this specifies both the skeleton and the training data.")
parser.add_argument("-bvh-speed", type=float, default=1.0)
parser.add_argument("-skeleton", type=str)
parser.add_argument("-joint")
parser.add_argument("-frame-rate", type=float, default=50.0)
parser.add_argument("-unit-cube", action="store_true")
parser.add_argument("-input-y-offset", type=float, default=.0)
parser.add_argument("-output-y-offset", type=float, default=.0)
parser.add_argument("-export-dir", default="export")
parser.add_argument("--floor", action="store_true")
parser.add_argument("--backend-only", action="store_true")
parser.add_argument("--ui-only", action="store_true")
parser.add_argument("--backend-host", default="localhost")
parser.add_argument("--websockets", action="store_true",
help="Force websockets support (enabled automatically by --backend-only)")
parser.add_argument("--no-websockets", action="store_true",
help="Force running without websockets support (e.g when combing --ui-only and --event-log-source)")
parser.add_argument("--launch-when-ready", help="Run command when websocket server ready")
parser.add_argument("--output-receiver-host")
parser.add_argument("--output-receiver-port", type=int, default=10000)
parser.add_argument("--with-profiler", action="store_true")
parser.add_argument("--z-up", action="store_true", help="Use Z-up for BVHs")
parser.add_argument("--show-fps", action="store_true")
parser.add_argument("--receive-from-pn", action="store_true")
parser.add_argument("--pn-host", default="localhost")
parser.add_argument("--pn-port", type=int, default=tracking.pn.receiver.SERVER_PORT_BVH)
parser.add_argument("--random-seed", type=int)
parser.add_argument("--start-frame", type=int)
parser.add_argument("--deterministic", action="store_true",
help="Handle time deterministically (fixed time interval between updates) rather than taking " +
"real time into account. May cause latency.")
parser.add_argument("--stopped", action="store_true", help="Start in stopped mode")
def __init__(self, parser, event_handlers={}):
event_handlers.update({
Event.START: self._start,
Event.STOP: self._stop,
Event.START_EXPORT_BVH: self._start_export_bvh,
Event.STOP_EXPORT_BVH: self._stop_export_bvh,
Event.SET_CURSOR: lambda event: self.update_cursor(event.content),
Event.PROCEED_TO_NEXT_FRAME: self._proceed_to_next_frame,
Event.SAVE_STUDENT: self._save_student,
Event.LOAD_STUDENT: self._load_student,
Event.SET_FRICTION: lambda event: self.set_friction(event.content),
Event.SET_LEARNING_RATE: lambda event: self.student.set_learning_rate(event.content),
Event.SET_MODEL_NOISE_TO_ADD: self._set_model_noise_to_add,
Event.SET_MIN_TRAINING_LOSS: self._set_min_training_loss,
Event.SET_MAX_ANGULAR_STEP: lambda event: self.entity.set_max_angular_step(
event.content),
})
EventListener.__init__(self, handlers=event_handlers)
args, _remaining_args = parser.parse_known_args()
if args.random_seed is not None:
random.seed(args.random_seed)
if args.profile:
profile_path = "%s/%s.profile" % (self.profiles_dir, args.profile)
profile_args_string = open(profile_path).read()
profile_args_strings = profile_args_string.split()
args, _remaining_args = parser.parse_known_args(profile_args_strings, namespace=args)
self._student_model_path = "%s/%s.model" % (self.profiles_dir, args.profile)
self._entity_model_path = "%s/%s.entity.model" % (self.profiles_dir, args.profile)
self._training_data_path = "%s/%s.data" % (self.profiles_dir, args.profile)
entity_module = imp.load_source("entity", "entities/%s.py" % args.entity)
if hasattr(entity_module, "Entity"):
self.entity_class = entity_module.Entity
else:
self.entity_class = BaseEntity
self.entity_class.add_parser_arguments(parser)
if not args.backend_only:
self._entity_scene_module = imp.load_source("entity", "entities/%s_scene.py" % args.entity)
self._entity_scene_module.Scene.add_parser_arguments(parser)
self.add_ui_parser_arguments(parser)
self.add_parser_arguments_second_pass(parser, args)
args = parser.parse_args()
if args.profile:
args = parser.parse_args(profile_args_strings, namespace=args)
self.args = args
skeleton_bvh_path = self._get_skeleton_bvh_path()
if skeleton_bvh_path:
self.bvh_reader = self._create_bvh_reader(skeleton_bvh_path)
self.pose = self.bvh_reader.get_hierarchy().create_pose()
else:
self.bvh_reader = None
self.pose = None
if self.args.train or self.needs_training_data():
training_data_bvh_path = self._get_training_data_bvh_path()
if training_data_bvh_path:
if training_data_bvh_path == skeleton_bvh_path:
self.training_data_bvh_reader = self.bvh_reader
else:
self.training_data_bvh_reader = self._create_bvh_reader(
training_data_bvh_path,
read_frames=self.should_read_bvh_frames())
else:
self.training_data_bvh_reader = self.bvh_reader
self.training_entity = self.entity_class(
self.training_data_bvh_reader, self.pose, self.args.floor, self.args.z_up, self.args)
if self.bvh_reader:
self.bvh_writer = BvhWriter(self.bvh_reader.get_hierarchy(), self.bvh_reader.get_frame_time())
self.input = None
self.output = None
self.entity = self.entity_class(self.bvh_reader, self.pose, self.args.floor, self.args.z_up, self.args)
self._running = not args.stopped
self.stopwatch = Stopwatch()
if self.args.show_fps:
self._fps_meter = FpsMeter()
self.now = None
self._frame_count = 0
self._ui_handlers = set()
self._ui_handlers_lock = threading.Lock()
self._exporting_output = False
if args.output_receiver_host:
from connectivity import avatar_osc_sender
self._output_sender = avatar_osc_sender.AvatarOscBvhSender(
args.output_receiver_port, args.output_receiver_host)
else:
self._output_sender = None
if self.args.entity == "hierarchical" and self.args.friction:
self._enable_friction = True
if args.receive_from_pn:
self._pn_receiver = tracking.pn.receiver.PnReceiver()
print "connecting to PN server..."
self._pn_receiver.connect(args.pn_host, args.pn_port)
print "ok"
pn_pose = self.bvh_reader.get_hierarchy().create_pose()
self._pn_entity = self.entity_class(self.bvh_reader, pn_pose, self.args.floor, self.args.z_up, self.args)
self._input_from_pn = None
pn_receiver_thread = threading.Thread(target=self._receive_from_pn)
pn_receiver_thread.daemon = True
pn_receiver_thread.start()
def needs_training_data(self):
return False
def _get_skeleton_bvh_path(self):
if self.args.bvh:
if self.args.skeleton:
raise Exception("Cannot provide both -bvh and -skeleton")
return self.args.bvh
return self.args.skeleton
def _get_training_data_bvh_path(self):
if self.args.bvh:
if self.args.training_data:
raise Exception("Cannot provide both -bvh and -training-data")
return self.args.bvh
return self.args.training_data
def _create_bvh_reader(self, pattern, read_frames=True):
bvh_filenames = glob.glob(pattern)
if len(bvh_filenames) == 0:
raise Exception("no files found matching the pattern %s" % pattern)
print "loading BVHs from %s..." % pattern
bvh_reader = BvhCollection(bvh_filenames)
bvh_reader.read(read_frames=read_frames)
print "ok"
return bvh_reader
def _save_student(self, event):
filename = event.content
print "saving %s..." % filename
self.student.save(filename)
print "ok"
def _load_student(self, event):
filename = event.content
print "loading %s..." % filename
self.student.load(filename)
print "ok"
def set_friction(self, enabled, inform_ui=False):
if enabled != self._enable_friction:
self._enable_friction = enabled
self.entity.set_friction(enabled)
if self.args.enable_io_blending:
self._io_blending_entity.set_friction(enabled)
if inform_ui:
self.send_event_to_ui(Event(Event.SET_FRICTION, enabled))
def add_parser_arguments_second_pass(self, parser, args):
pass
def ui_connected(self, handler):
with self._ui_handlers_lock:
self._ui_handlers.add(handler)
if self.entity.processed_input is not None:
self.send_event_to_ui(Event(Event.INPUT, self.entity.processed_input))
if self.output is not None:
self.process_and_broadcast_output()
self.send_event_to_ui(Event(Event.FRAME_COUNT, self._frame_count))
def ui_disconnected(self, handler):
with self._ui_handlers_lock:
if handler in self._ui_handlers:
self._ui_handlers.remove(handler)
def update_cursor(self, cursor):
self.entity.set_cursor(cursor)
def add_ui_parser_arguments(self, parser):
from ui.ui import MainWindow
MainWindow.add_parser_arguments(parser)
def run_backend_and_or_ui(self):
if self.args.start_frame is not None:
print "fast-forwarding to frame %d..." % self.args.start_frame
self.time_increment = 1. / self.args.frame_rate
for n in range(self.args.start_frame):
self._proceed_and_update()
print "ok"
else:
self.entity.update(self.input)
self.update()
run_backend = not self.args.ui_only
run_ui = not self.args.backend_only
if run_ui:
self._scene_class = self._entity_scene_module.Scene
if self.args.with_profiler:
import yappi
yappi.start()
if run_backend and run_ui:
if self.args.websockets:
websocket_server = self._create_websocket_server()
self._start_in_new_thread(websocket_server)
self._server = self._create_single_process_server()
self._set_up_timed_refresh()
self._start_in_new_thread(self._server)
client = SingleProcessClient(self._server)
self.run_ui(client)
elif run_backend:
self._server = self._create_websocket_server()
self._set_up_timed_refresh()
try:
self._server.start()
except KeyboardInterrupt:
pass
elif run_ui:
if self.args.no_websockets:
client = None
else:
client = WebsocketClient(self.args.backend_host)
self.run_ui(client)
if self.args.with_profiler:
yappi.get_func_stats().print_all()
def _start(self, event):
self._running = True
def _stop(self, event):
self._running = False
def is_running(self):
return self._running
def update(self):
pass
def _update_and_refresh_uis(self):
if self.now is None:
self.now = 0
self.stopwatch.start()
else:
self.now = self.current_time()
if self.is_running():
if self.args.deterministic:
self.time_increment = 1. / self.args.frame_rate
else:
self.time_increment = self.now - self.previous_frame_time
if self.args.show_fps:
self._fps_meter.update()
self._proceed_and_update()
if self.entity.processed_input is not None:
self.send_event_to_ui(Event(Event.INPUT, self.entity.processed_input))
if self.output is not None:
self.process_and_broadcast_output()
self.previous_frame_time = self.now
if self.output is not None and (self._exporting_output or self._output_sender):
self.entity.parameters_to_processed_pose(self.output, self.pose)
if self._exporting_output:
self._export_bvh()
if self._output_sender:
self._send_output()
def _proceed_and_update(self):
self.proceed()
self.entity.update(self.input)
self.update()
self._frame_count += 1
self.send_event_to_ui(Event(Event.FRAME_COUNT, self._frame_count))
def process_and_broadcast_output(self):
if self._server.client_subscribes_to(Event.OUTPUT):
self.processed_output = self.entity.process_output(self.output)
self.send_event_to_ui(Event(Event.OUTPUT, self.processed_output))
def _proceed_to_next_frame(self, event):
self.time_increment = 1. / self.args.frame_rate
self._proceed_and_update()
if self.output is not None:
self.process_and_broadcast_output()
if self.entity.processed_input is not None:
self.send_event_to_ui(Event(Event.INPUT, self.entity.processed_input))
def send_event_to_ui(self, event):
with self._ui_handlers_lock:
for ui_handler in self._ui_handlers:
if not (event.source == "PythonUI" and ui_handler.__class__ == SingleProcessUiHandler):
ui_handler.send_event(event)
def current_time(self):
return self.stopwatch.get_elapsed_time()
def _training_duration(self):
if self.args.training_duration:
return self.args.training_duration
elif hasattr(self.training_entity, "get_duration"):
return self.training_entity.get_duration()
else:
raise Exception(
"training duration specified in neither arguments nor the %s class" % \
self.training_entity.__class__.__name__)
def _create_single_process_server(self):
return SingleProcessServer(SingleProcessUiHandler, experiment=self)
def _create_websocket_server(self):
server = WebsocketServer(WebsocketUiHandler, {"experiment": self})
print "websocket server ready"
self._invoke_potential_launcher_in_args()
return server
def _invoke_potential_launcher_in_args(self):
if self.args.launch_when_ready:
print "launching %r" % self.args.launch_when_ready
self._launched_process = subprocess.Popen(self.args.launch_when_ready, shell=True)
def _set_up_timed_refresh(self):
self._server.add_periodic_callback(
self._update_and_refresh_uis, 1000. / self.args.frame_rate)
def _start_in_new_thread(self, server):
server_thread = threading.Thread(target=server.start)
server_thread.daemon = True
server_thread.start()
def _start_export_bvh(self, event):
print "exporting BVH"
self._exporting_output = True
def _stop_export_bvh(self, event):
if not os.path.exists(self.args.export_dir):
os.mkdir(self.args.export_dir)
export_path = self._get_export_path()
print "saving export to %s" % export_path
self.bvh_writer.write(export_path)
self._exporting_output = False
def _get_export_path(self):
i = 1
while True:
path = "%s/export%03d.bvh" % (self.args.export_dir, i)
if not os.path.exists(path):
return path
i += 1
def _export_bvh(self):
self.bvh_writer.add_pose_as_frame(self.pose)
def _send_output(self):
avatar_index = 0
self._output_sender.send_frame(avatar_index, self.pose, self.entity)
def _receive_from_pn(self):
for frame in self._pn_receiver.get_frames():
self._input_from_pn = self._pn_entity.get_value_from_frame(frame)
def _set_model_noise_to_add(self, event):
self.model_noise_to_add = event.content / 100
def _set_min_training_loss(self, event):
self.min_training_loss = 0
class MasterBehavior(Behavior):
def __init__(self):
Behavior.__init__(self)
self._recall_amount = args.recall_amount
self.memorize = args.memorize
self.auto_friction = args.auto_friction
self._auto_switch_enabled = False
self.input_only = False
self._input = None
self._noise_amount = 0
self.reset_translation()
self._stopwatch = Stopwatch()
self._stopwatch.start()
def set_noise_amount(self, amount):
self._noise_amount = amount
def reset_translation(self):
master_entity.reset_constrainers()
self._chainer = Chainer()
self._chainer.put(numpy.zeros(3))
self._chainer.get()
self._chainer.switch_source()
self._selector = Selector(self._chainer.switch_source)
def on_recall_amount_changed(self):
pass
def set_recall_amount(self, recall_amount):
self._recall_amount = recall_amount
def get_recall_amount(self):
return self._recall_amount
def set_model(self, model_name):
self._improvise = improvise_behaviors[model_name]
self._chainer.switch_source()
def proceed(self, time_increment):
if self._noise_amount > 0:
students["autoencoder"].add_noise(self._noise_amount)
self._improvise.proceed(time_increment)
recall_behavior.proceed(time_increment)
if self.auto_friction:
if self._recall_amount < 0.5:
self._set_master_entity_friction_and_update_ui(True)
else:
self._set_master_entity_friction_and_update_ui(False)
def _set_master_entity_friction_and_update_ui(self, value):
master_entity.set_friction(value)
application.on_friction_changed(value)
def sends_output(self):
return True
def on_input(self, input_):
self._input = input_
if self.memorize:
memory.on_input(input_)
def set_auto_switch_enabled(self, value):
self._auto_switch_enabled = value
def get_output(self):
if self.input_only:
return self._input
if self._auto_switch_enabled:
self._recall_amount = self._get_auto_switch_recall_amount()
self.on_recall_amount_changed()
improvise_output = self._get_improvise_output()
recall_output = recall_behavior.get_output()
if args.verbose:
self._print_output_info("improvise_output", improvise_output)
self._print_output_info("recall_output", recall_output)
if recall_output is None:
if self._recall_amount > 0:
application.print_and_log("WARNING: recall amount > 0 but no recall output")
translation = self._pass_through_selector_to_update_its_state(
get_translation(improvise_output))
orientations = get_orientations(improvise_output)
else:
translation = self._selector.select(
get_translation(improvise_output),
get_translation(recall_output),
self._recall_amount)
orientations = get_orientations(
master_entity.interpolate(improvise_output, recall_output, self._recall_amount))
self._chainer.put(translation)
translation = self._chainer.get()
output = combine_translation_and_orientations(translation, orientations)
return output
def _pass_through_selector_to_update_its_state(self, value):
return self._selector.select(value, None, 0)
def _get_auto_switch_recall_amount(self):
return (math.sin(self._stopwatch.get_elapsed_time() * .5) + 1) / 2
def _print_output_info(self, name, output):
if output is None:
return
root_quaternion = output[0:4]
print "%s root: %s" % (name, root_quaternion)
def _get_improvise_output(self):
reduction = self._improvise.get_reduction()
if reduction is None:
return None
return student.inverse_transform(numpy.array([reduction]))[0]
class Visualizer:
def __init__(self, args,
file_class=File,
chunk_class=Chunk,
segment_class=Segment,
peer_class=Peer):
if hasattr(self, "_initialized") and self._initialized:
return
self.file_class = file_class
self.chunk_class = chunk_class
self.segment_class = segment_class
self.peer_class = peer_class
self.args = args
self.sync = args.sync
self.width = args.width
self.height = args.height
self.margin = args.margin
self.show_fps = args.show_fps
self.export = args.export
self.capture_message_log = args.capture_message_log
self.play_message_log = args.play_message_log
self.waveform_gain = args.waveform_gain
self._standalone = args.standalone
self._target_aspect_ratio = self._get_aspect_ratio_from_args()
self.logger = logging.getLogger("visualizer")
self.reset()
self._frame_count = 0
self.exiting = False
self.time_increment = 0
self.stopwatch = Stopwatch()
self._synth_instance = None
self._synth_port = None
self._synced = False
self._layers = []
self._warned_about_missing_pan_segment = False
self.gl_display_mode = GLUT_RGBA | GLUT_DOUBLE | GLUT_DEPTH
self._accum_enabled = False
self._3d_enabled = False
self.fovy = 45
self.near = 0.1
self.far = 100.0
self._fullscreen = False
self._text_renderer_class = getattr(text_renderer_module, TEXT_RENDERERS[args.text_renderer])
if args.camera_script:
self._camera_script = CameraScriptInterpreter(args.camera_script)
else:
self._camera_script = None
if self.show_fps:
self.fps_history = collections.deque(maxlen=10)
self.previous_shown_fps_time = None
if not args.standalone:
if args.port:
port = args.port
else:
port = self._get_orchestra_port()
self.orchestra_host = args.host
self.orchestra_port = port
self.setup_osc()
self.orchestra.register(self.server.port)
self._screen_dumper = Exporter(".", self.margin, self.margin, self.width, self.height)
if self.export:
self.export_fps = args.export_fps
import shutil
if args.export_dir:
export_dir = args.export_dir
elif hasattr(args, "sessiondir"):
export_dir = "%s/rendered_%s" % (args.sessiondir, self.__class__.__name__)
else:
export_dir = "export"
if os.path.exists(export_dir):
shutil.rmtree(export_dir)
os.mkdir(export_dir)
self.exporter = Exporter(export_dir, self.margin, self.margin, self.width, self.height)
if self.play_message_log:
self._message_log_reader = MessageLogReader(self.play_message_log)
if self.capture_message_log:
self._message_log_writer = MessageLogWriter(self.capture_message_log)
self._audio_capture_start_time = None
self._initialized = True
def _get_aspect_ratio_from_args(self):
w, h = map(float, self.args.aspect.split(":"))
return w / h
def _get_orchestra_port(self):
if self.args.host == "localhost":
return self._read_port_from_disk()
else:
return self._read_port_from_network_share()
def _read_port_from_disk(self):
self._read_port_from_file("server_port.txt")
def _read_port_from_file(self, filename):
f = open(filename, "r")
line = f.read()
port = int(line)
f.close()
return port
def _read_port_from_network_share(self):
if platform.system() == "Linux":
return self._read_port_with_unix_smbclient()
elif platform.system() == "Windows":
return self._read_port_via_windows_samba_access()
else:
raise Exception("don't know how to handle your OS (%s)" % platform.system())
def _read_port_with_unix_smbclient(self):
subprocess.call(
'smbclient -N \\\\\\\\%s\\\\TorrentialForms -c "get server_port.txt server_remote_port.txt"' % self.args.host,
shell=True)
return self._read_port_from_file("server_remote_port.txt")
def _read_port_via_windows_samba_access(self):
return self._read_port_from_file(
'\\\\%s\\TorrentialForms\\server_port.txt' % self.args.host)
def reset(self):
self.files = {}
self.peers = {}
self.peers_by_addr = {}
self._segments_by_id = {}
self.torrent_length = 0
self.torrent_title = ""
self.torrent_download_completion_time = None
self.num_segments = 0
self.num_received_segments = 0
self._notified_finished = False
def enable_3d(self):
self._3d_enabled = True
def run(self):
self.window_width = self.width + self.margin*2
self.window_height = self.height + self.margin*2
glutInit(sys.argv)
if self.args.left is None:
self._left = (glutGet(GLUT_SCREEN_WIDTH) - self.window_width) / 2
else:
self._left = self.args.left
if self.args.top is None:
self._top = (glutGet(GLUT_SCREEN_HEIGHT) - self.window_height) / 2
else:
self._top = self.args.top
glutInitDisplayMode(self.gl_display_mode)
glutInitWindowSize(self.window_width, self.window_height)
self._non_fullscreen_window = glutCreateWindow("")
glutDisplayFunc(self.DrawGLScene)
glutIdleFunc(self.DrawGLScene)
glutReshapeFunc(self.ReSizeGLScene)
glutKeyboardFunc(self.keyPressed)
self.InitGL()
glutPositionWindow(self._left, self._top)
if self.args.fullscreen:
self._open_fullscreen_window()
self._fullscreen = True
self.ReSizeGLScene(self.window_width, self.window_height)
glutMainLoop()
def _open_fullscreen_window(self):
glutGameModeString("%dx%d:32@75" % (self.window_width, self.window_height))
glutEnterGameMode()
glutSetCursor(GLUT_CURSOR_NONE)
glutDisplayFunc(self.DrawGLScene)
glutIdleFunc(self.DrawGLScene)
glutReshapeFunc(self.ReSizeGLScene)
glutKeyboardFunc(self.keyPressed)
self.InitGL()
glutPositionWindow(self._left, self._top)
def handle_torrent_message(self, num_files, download_duration, total_size,
num_chunks, num_segments, encoded_torrent_title):
self.num_files = num_files
self.download_duration = download_duration
self.total_size = total_size
self.num_segments = num_segments
self.torrent_title = encoded_torrent_title.decode("unicode_escape")
def handle_file_message(self, filenum, offset, length):
f = self.files[filenum] = self.file_class(self, filenum, offset, length)
self.logger.debug("added file %s" % f)
self.torrent_length += length
self.added_file(f)
if len(self.files) == self.num_files:
self.logger.debug("added all files")
self.added_all_files()
def handle_chunk_message(self, chunk_id, torrent_position, byte_size, filenum, peer_id, t):
if filenum in self.files:
f = self.files[filenum]
peer = self.peers[peer_id]
begin = torrent_position - f.offset
end = begin + byte_size
chunk = self.chunk_class(
chunk_id, begin, end, byte_size, filenum, f,
peer, t, self.current_time(), self)
self.files[filenum].add_chunk(chunk)
else:
print "ignoring chunk from undeclared file %s" % filenum
def handle_segment_message(self, segment_id, torrent_position, byte_size, filenum,
peer_id, t, duration):
if filenum in self.files:
f = self.files[filenum]
peer = self.peers[peer_id]
begin = torrent_position - f.offset
end = begin + byte_size
segment = self.segment_class(
segment_id, begin, end, byte_size, filenum, f,
peer, t, duration, self.current_time(), self)
self._segments_by_id[segment_id] = segment
self.add_segment(segment)
else:
print "ignoring segment from undeclared file %s" % filenum
def handle_peer_message(self, peer_id, addr, bearing, pan, location):
peer = self.peer_class(self, addr, bearing, pan, location)
self.peers[peer_id] = peer
self.peers_by_addr[addr] = peer
def add_segment(self, segment):
f = self.files[segment.filenum]
segment.f = f
segment.pan = 0.5
f.add_segment(segment)
self.pan_segment(segment)
segment.peer.add_segment(segment)
self.num_received_segments += 1
def added_file(self, f):
pass
def added_all_files(self):
pass
def pan_segment(self, segment):
if not self._warned_about_missing_pan_segment:
print "WARNING: pan_segment undefined in visualizer. Orchestra and synth now control panning."
self._warned_about_missing_pan_segment = True
def handle_shutdown(self):
self.exiting = True
def handle_reset(self):
self.reset()
def handle_amp_message(self, segment_id, amp):
try:
segment = self._segments_by_id[segment_id]
except KeyError:
print "WARNING: amp message for unknown segment ID %s" % segment_id
return
self.handle_segment_amplitude(segment, amp)
def handle_segment_amplitude(self, segment, amp):
pass
def handle_waveform_message(self, segment_id, value):
try:
segment = self._segments_by_id[segment_id]
except KeyError:
print "WARNING: waveform message for unknown segment ID %s" % segment_id
return
self.handle_segment_waveform_value(segment, value * self.waveform_gain)
def handle_segment_waveform_value(self, segment, value):
pass
def handle_synth_address(self, port):
self._synth_instance = None
self._synth_port = port
self.synth_address_received()
def handle_audio_captured_started(self, start_time):
self._audio_capture_start_time = float(start_time)
def synth_address_received(self):
pass
def setup_osc(self):
self.orchestra = OrchestraController(self.orchestra_host, self.orchestra_port)
self.server = simple_osc_receiver.OscReceiver(
listen=self.args.listen, name="Visualizer")
self.server.add_method("/torrent", "ifiiis", self._handle_osc_message,
"handle_torrent_message")
self.server.add_method("/file", "iii", self._handle_osc_message,
"handle_file_message")
self.server.add_method("/chunk", "iiiiif", self._handle_osc_message,
"handle_chunk_message")
self.server.add_method("/segment", "iiiiiff", self._handle_osc_message,
"handle_segment_message")
self.server.add_method("/peer", "isffs", self._handle_osc_message,
"handle_peer_message")
self.server.add_method("/reset", "", self._handle_osc_message,
"handle_reset")
self.server.add_method("/shutdown", "", self._handle_osc_message,
"handle_shutdown")
self.server.add_method("/synth_address", "i", self._handle_osc_message,
"handle_synth_address")
self.server.add_method("/audio_captured_started", "s", self._handle_osc_message,
"handle_audio_captured_started")
self.server.start()
self.waveform_server = None
def setup_waveform_server(self):
if not self._standalone:
import osc_receiver
self.waveform_server = osc_receiver.OscReceiver(proto=osc.UDP)
self.waveform_server.add_method("/amp", "if", self._handle_osc_message,
"handle_amp_message")
self.waveform_server.add_method("/waveform", "if", self._handle_osc_message,
"handle_waveform_message")
self.waveform_server.start()
def _handle_osc_message(self, path, args, types, src, handler_name):
if self.capture_message_log:
received_time = time.time()
self._call_handler(handler_name, args)
if self.capture_message_log:
if self._audio_capture_start_time is None:
capture_time = 0.0
print "WARNING: received OSC before audio capture started: %s" % path
else:
capture_time = received_time - self._audio_capture_start_time
self._message_log_writer.write(
capture_time, handler_name, args)
def _call_handler(self, handler_name, args):
handler = getattr(self, handler_name)
handler(*args)
def InitGL(self):
glClearColor(1.0, 1.0, 1.0, 0.0)
glClearAccum(0.0, 0.0, 0.0, 0.0)
glClearDepth(1.0)
glShadeModel(GL_SMOOTH)
glutMouseFunc(self._mouse_clicked)
glutMotionFunc(self._mouse_moved)
glutSpecialFunc(self._special_key_pressed)
def ReSizeGLScene(self, window_width, window_height):
self.window_width = window_width
self.window_height = window_height
if window_height == 0:
window_height = 1
glViewport(0, 0, window_width, window_height)
self.width = window_width - 2*self.margin
self.height = window_height - 2*self.margin
self._aspect_ratio = float(window_width) / window_height
self.min_dimension = min(self.width, self.height)
self._refresh_layers()
if not self._3d_enabled:
self.configure_2d_projection()
self.resized_window()
def resized_window(self):
pass
def configure_2d_projection(self):
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glOrtho(0.0, self.window_width, self.window_height, 0.0, -1.0, 1.0)
glMatrixMode(GL_MODELVIEW)
def _refresh_layers(self):
for layer in self._layers:
layer.refresh()
def DrawGLScene(self):
if self.exiting:
self.logger.debug("total number of rendered frames: %s" % self._frame_count)
if self.stopwatch.get_elapsed_time() > 0:
self.logger.debug("total FPS: %s" % (float(self._frame_count) / self.stopwatch.get_elapsed_time()))
if self.args.profile:
import yappi
yappi.print_stats(sys.stdout, yappi.SORTTYPE_TTOT)
glutDestroyWindow(glutGetWindow())
return
try:
self._draw_gl_scene_error_handled()
except Exception as error:
traceback_printer.print_traceback()
self.exiting = True
raise error
def _draw_gl_scene_error_handled(self):
if self._camera_script:
self._move_camera_by_script()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glLoadIdentity()
if self.export:
self.current_export_time = float(self._frame_count) / self.export_fps
self.now = self.current_time()
is_waiting_for_synth = (self.sync and not self._synth() and not self._synced)
is_waiting_for_audio_capture_to_start = (
self.capture_message_log and self._audio_capture_start_time is None)
if self._frame_count == 0 and \
not is_waiting_for_synth and \
not is_waiting_for_audio_capture_to_start:
self.stopwatch.start()
if self.sync:
self._synced = True
else:
if self._frame_count == 0:
self.time_increment = 0
else:
self.time_increment = self.now - self.previous_frame_time
self.handle_incoming_messages()
self.update()
if not self.capture_message_log:
glTranslatef(self.margin, self.margin, 0)
if self.args.border:
self.draw_border()
if self._3d_enabled and not self._accum_enabled:
self.set_perspective(
0, 0,
-self._camera_position.x, -self._camera_position.y, self._camera_position.z)
self.render()
if self.show_fps and self._frame_count > 0:
self.update_fps_history()
self.show_fps_if_timely()
if self.export:
self.exporter.export_frame()
glutSwapBuffers()
self.previous_frame_time = self.now
finished = self.finished()
if (self.export or self.args.exit_when_finished) and finished:
self.exiting = True
if not self._standalone:
if finished and not self._notified_finished:
self.orchestra.notify_finished()
self._notified_finished = True
if not is_waiting_for_synth:
self._frame_count += 1
def finished(self):
return False
def handle_incoming_messages(self):
if self.args.standalone:
if self.play_message_log:
self._process_message_log_until(self.now)
else:
self.server.serve()
if self.waveform_server:
self.waveform_server.serve()
def _process_message_log_until(self, t):
messages = self._message_log_reader.read_until(t)
for _t, handler_name, args in messages:
self._call_handler(handler_name, args)
def update_fps_history(self):
fps = 1.0 / self.time_increment
self.fps_history.append(fps)
def show_fps_if_timely(self):
if self.previous_shown_fps_time:
if (self.now - self.previous_shown_fps_time) > 1.0:
self.calculate_and_show_fps()
else:
self.calculate_and_show_fps()
def calculate_and_show_fps(self):
print sum(self.fps_history) / len(self.fps_history)
self.previous_shown_fps_time = self.now
def draw_border(self):
x1 = y1 = -1
x2 = self.width
y2 = self.height
glDisable(GL_LINE_SMOOTH)
glLineWidth(1)
glColor3f(BORDER_OPACITY, BORDER_OPACITY, BORDER_OPACITY)
glBegin(GL_LINE_LOOP)
glVertex2i(x1, y2)
glVertex2i(x2, y2)
glVertex2i(x2, y1)
glVertex2i(x1, y1)
glEnd()
def keyPressed(self, key, x, y):
if key == ESCAPE:
# stop_all disabled as it also deletes ~reverb
# self._synth().stop_all()
self.exiting = True
elif key == 's':
self._dump_screen()
elif key == 'f':
if self._fullscreen:
glutSetCursor(GLUT_CURSOR_INHERIT)
glutLeaveGameMode()
glutSetWindow(self._non_fullscreen_window)
self._fullscreen = False
else:
self._open_fullscreen_window()
self._fullscreen = True
def _dump_screen(self):
self._screen_dumper.export_frame()
def playing_segment(self, segment):
if not self._standalone:
self.orchestra.visualizing_segment(segment.id)
segment.playing = True
def current_time(self):
if self.export:
return self.current_export_time
else:
return self.stopwatch.get_elapsed_time()
def set_color(self, color_vector, alpha=1.0):
glColor4f(color_vector[0],
color_vector[1],
color_vector[2],
alpha)
def set_listener_position(self, x, y):
self.orchestra.set_listener_position(x, y)
def set_listener_orientation(self, orientation):
self.orchestra.set_listener_orientation(-orientation)
def place_segment(self, segment_id, x, y, duration):
self.orchestra.place_segment(segment_id, -x, y, duration)
def _mouse_clicked(self, button, state, x, y):
if self._3d_enabled:
if button == GLUT_LEFT_BUTTON:
self._dragging_orientation = (state == GLUT_DOWN)
else:
self._dragging_orientation = False
if button == GLUT_RIGHT_BUTTON:
self._dragging_y_position = (state == GLUT_DOWN)
if state == GLUT_DOWN:
self._drag_x_previous = x
self._drag_y_previous = y
def _mouse_moved(self, x, y):
if self._3d_enabled:
if self._dragging_orientation:
self._disable_camera_script()
self._set_camera_orientation(
self._camera_y_orientation + x - self._drag_x_previous,
self._camera_x_orientation - y + self._drag_y_previous)
self._print_camera_settings()
elif self._dragging_y_position:
self._disable_camera_script()
self._camera_position.y += CAMERA_Y_SPEED * (y - self._drag_y_previous)
self._print_camera_settings()
self._drag_x_previous = x
self._drag_y_previous = y
def _disable_camera_script(self):
self._camera_script = None
def _special_key_pressed(self, key, x, y):
if self._3d_enabled:
r = math.radians(self._camera_y_orientation)
new_position = self._camera_position
if key == GLUT_KEY_LEFT:
new_position.x += CAMERA_KEY_SPEED * math.cos(r)
new_position.z += CAMERA_KEY_SPEED * math.sin(r)
elif key == GLUT_KEY_RIGHT:
new_position.x -= CAMERA_KEY_SPEED * math.cos(r)
new_position.z -= CAMERA_KEY_SPEED * math.sin(r)
elif key == GLUT_KEY_UP:
new_position.x += CAMERA_KEY_SPEED * math.cos(r + math.pi/2)
new_position.z += CAMERA_KEY_SPEED * math.sin(r + math.pi/2)
elif key == GLUT_KEY_DOWN:
new_position.x -= CAMERA_KEY_SPEED * math.cos(r + math.pi/2)
new_position.z -= CAMERA_KEY_SPEED * math.sin(r + math.pi/2)
self._set_camera_position(new_position)
self._print_camera_settings()
def _print_camera_settings(self):
print
print "%s, %s, %s" % (
self._camera_position.v, self._camera_y_orientation, self._camera_x_orientation)
def _set_camera_position(self, position):
self._camera_position = position
if not self._standalone:
self.set_listener_position(position.z, position.x)
def _set_camera_orientation(self, y_orientation, x_orientation):
self._camera_y_orientation = y_orientation
self._camera_x_orientation = x_orientation
if not self._standalone:
self.set_listener_orientation(y_orientation)
def set_perspective(self,
pixdx, pixdy,
eyedx, eyedy, eyedz):
assert self._3d_enabled
fov2 = ((self.fovy*math.pi) / 180.0) / 2.0
top = self.near * math.tan(fov2)
bottom = -top
right = top * self._aspect_ratio
left = -right
xwsize = right - left
ywsize = top - bottom
# dx = -(pixdx*xwsize/self.width + eyedx*self.near/focus)
# dy = -(pixdy*ywsize/self.height + eyedy*self.near/focus)
# I don't understand why this modification solved the problem (focus was 1.0)
dx = -(pixdx*xwsize/self.width)
dy = -(pixdy*ywsize/self.height)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
glFrustum (left + dx, right + dx, bottom + dy, top + dy, self.near, self.far)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glRotatef(self._camera_x_orientation, 1.0, 0.0, 0.0)
glRotatef(self._camera_y_orientation, 0.0, 1.0, 0.0)
glTranslatef(self._camera_position.x, self._camera_position.y, self._camera_position.z)
def enable_accum(self):
self.gl_display_mode |= GLUT_ACCUM
self._accum_enabled = True
def accum(self, render_method):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_ACCUM_BUFFER_BIT)
for jitter in range(NUM_ACCUM_SAMPLES):
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
self.set_perspective(ACCUM_JITTER[jitter][0], ACCUM_JITTER[jitter][1],
-self._camera_position.x, -self._camera_position.y, self._camera_position.z)
render_method()
glAccum(GL_ACCUM, 1.0/NUM_ACCUM_SAMPLES)
glAccum(GL_RETURN, 1.0)
def subscribe_to_amp(self):
if not self.waveform_server:
self.setup_waveform_server()
self._synth().subscribe_to_amp(self.waveform_server.port)
def subscribe_to_waveform(self):
if not self._standalone:
if not self.waveform_server:
self.setup_waveform_server()
self._synth().subscribe_to_waveform(self.waveform_server.port)
def _move_camera_by_script(self):
position, orientation = self._camera_script.position_and_orientation(
self.current_time())
self._set_camera_position(position)
self._set_camera_orientation(orientation.y, orientation.x)
def new_layer(self, rendering_function):
layer = Layer(rendering_function, self.new_display_list_id())
self._layers.append(layer)
return layer
def new_display_list_id(self):
return glGenLists(1)
def _synth(self):
if self._synth_instance is None and self._synth_port:
from synth_controller import SynthController
self._synth_instance = SynthController(self.logger)
self._synth_instance.connect(self._synth_port)
return self._synth_instance
def draw_text(self, text, size, x, y, font=None, spacing=None,
v_align="left", h_align="top"):
if font is None:
font = self.args.font
self.text_renderer(text, size, font).render(x, y, v_align, h_align)
def text_renderer(self, text, size, font=None):
if font is None:
font = self.args.font
return self._text_renderer_class(self, text, size, font, aspect_ratio=self._target_aspect_ratio)
def download_completed(self):
if self.torrent_download_completion_time:
return True
else:
if self.num_segments > 0 and self.num_received_segments == self.num_segments and not self.active():
self.torrent_download_completion_time = self.current_time()
return True
def active(self):
return False
def update(self):
pass
@staticmethod
def add_parser_arguments(parser):
parser.add_argument("-host", type=str, default="localhost")
parser.add_argument('-port', type=int)
parser.add_argument("-listen", type=str)
parser.add_argument('-sync', action='store_true')
try:
parser.add_argument('-width', dest='width', type=int, default=1024)
parser.add_argument('-height', dest='height', type=int, default=768)
except argparse.ArgumentError:
pass
parser.add_argument("-left", type=int)
parser.add_argument("-top", type=int)
parser.add_argument('-margin', dest='margin', type=int, default=0)
parser.add_argument('-show-fps', dest='show_fps', action='store_true')
parser.add_argument('-capture-message-log', dest='capture_message_log')
parser.add_argument('-play-message-log', dest='play_message_log')
parser.add_argument('-export', dest='export', action='store_true')
parser.add_argument('-export-fps', dest='export_fps', default=25.0, type=float)
parser.add_argument('-export-dir')
parser.add_argument("-waveform", dest="waveform", action='store_true')
parser.add_argument("-waveform-gain", dest="waveform_gain", default=1, type=float)
parser.add_argument("-camera-script", dest="camera_script", type=str)
parser.add_argument("-border", action="store_true")
parser.add_argument("-fullscreen", action="store_true")
parser.add_argument("-standalone", action="store_true")
parser.add_argument("-profile", action="store_true")
parser.add_argument("-check-opengl-errors", action="store_true")
parser.add_argument("-exit-when-finished", action="store_true")
parser.add_argument("--text-renderer", choices=TEXT_RENDERERS.keys(), default="glut")
parser.add_argument("--font", type=str)
parser.add_argument("-aspect", type=str, default="1:1",
help="Target aspect ratio (e.g. 16:9)")
@staticmethod
def add_margin_argument(parser, name):
parser.add_argument(name, type=str, default="0,0,0,0",
help="top,right,bottom,left in relative units")
def parse_margin_argument(self, argument_string):
return MarginAttributes.from_argument(argument_string, self)
class Orchestra:
SAMPLE_RATE = 44100
BYTES_PER_SAMPLE = 2 # mpg123, used by predecode, outputs 16-bit PCM mono
PLAYABLE_FORMATS = ['mp3', 'flac', 'wav', 'm4b']
JACK = "jack"
SSR = "ssr"
@staticmethod
def add_parser_arguments(parser):
parser.add_argument("--rt", action="store_true", dest="realtime")
parser.add_argument("-t", "--torrent", dest="torrentname", default="")
parser.add_argument("-z", "--timefactor", dest="timefactor", type=float, default=1)
parser.add_argument("--start", dest="start_time", type=float, default=0)
parser.add_argument("-q", "--quiet", action="store_true", dest="quiet")
parser.add_argument("--pretend-sequential", action="store_true", dest="pretend_sequential")
parser.add_argument("--gui", action="store_true", dest="gui_enabled")
parser.add_argument("--fast-forward", action="store_true", dest="ff")
parser.add_argument("--fast-forward-to-start", action="store_true", dest="ff_to_start")
parser.add_argument("--quit-at-end", action="store_true", dest="quit_at_end")
parser.add_argument("--loop", dest="loop", action="store_true")
parser.add_argument("--max-pause-within-segment", type=float)
parser.add_argument("--max-segment-duration", type=float)
parser.add_argument("--looped-duration", dest="looped_duration", type=float)
parser.add_argument("-o", "--output", dest="output", type=str, default=Orchestra.JACK)
parser.add_argument("--include-non-playable", action="store_true")
parser.add_argument("-f", "--file", dest="selected_files", type=int, nargs="+")
parser.add_argument("--title", type=str, default="")
parser.add_argument("--pretend-audio", dest="pretend_audio_filename")
parser.add_argument("--capture-audio")
parser.add_argument("--leading-pause", type=float, default=0)
_extension_re = re.compile('\.(\w+)$')
def __init__(self, server, sessiondir, tr_log, options):
self.server = server
self.options = options
self.sessiondir = sessiondir
self.tr_log = tr_log
self.realtime = options.realtime
self.timefactor = options.timefactor
self.quiet = options.quiet
self._loop = options.loop
self.looped_duration = options.looped_duration
self.output = options.output
self.include_non_playable = options.include_non_playable
self._leading_pause = options.leading_pause
if server.options.locate_peers:
self._peer_location = {}
for peeraddr in tr_log.peers:
self._peer_location[peeraddr] = server.ip_locator.locate(peeraddr)
self._peers_center_location_x = self._get_peers_center_location_x()
if options.pretend_audio_filename:
self._pretended_file = self._fileinfo_for_pretended_audio_file()
self._pretended_file["duration"] = self._get_file_duration(self._pretended_file)
self._pretended_files = [self._pretended_file]
self._files_to_play = self._pretended_files
else:
self._files_to_play = self.tr_log.files
self.predecode = server.options.predecode
if self.predecode:
predecoder = Predecoder(
tr_log.files, sample_rate=self.SAMPLE_RATE, location=tr_log.file_location)
predecoder.decode(server.options.force_predecode)
if options.pretend_audio_filename:
predecoder = Predecoder(
self._pretended_files, sample_rate=self.SAMPLE_RATE)
predecoder.decode(server.options.force_predecode)
if options.selected_files:
tr_log.select_files(options.selected_files)
self.playback_enabled = True
self.fast_forwarding = False
self.gui = None
self._check_which_files_are_audio()
self._player_class = WavPlayer
self.players = []
self._player_for_peer = dict()
self._prepare_playable_files()
self.stopwatch = Stopwatch()
self.playable_chunks = self._filter_playable_chunks(tr_log, tr_log.chunks)
if self.include_non_playable:
self.chunks = tr_log.chunks
self._num_selected_files = len(self.tr_log.files)
else:
self.chunks = self.playable_chunks
self._num_selected_files = self._num_playable_files
logger.debug("total num chunks: %s" % len(tr_log.chunks))
logger.debug("num playable chunks: %s" % len(self.playable_chunks))
logger.debug("num selected chunks: %s" % len(self.chunks))
self.score = self._interpret_chunks_to_score(tr_log, self.playable_chunks, options)
self.estimated_duration = self._estimated_playback_duration(self.score, options)
print "playback duration: %s" % datetime.timedelta(seconds=self.estimated_duration)
self._chunks_by_id = {}
self.segments_by_id = {}
self._playing = False
self._quitting = False
self._was_stopped = False
self.space = Space()
self._scheduler_queue = Queue.Queue()
self.scheduler = sched.scheduler(time.time, time.sleep)
self._run_scheduler_thread()
if self.output == self.SSR:
self.ssr = SsrControl()
self._warned_about_max_sources = False
def init_playback(self):
if self.server.options.no_synth:
self.synth = None
else:
from synth_controller import SynthController
self.synth = SynthController(logger)
self.synth.launch_engine(self.server.options.sc_mode)
self.synth.connect(self.synth.lang_port)
self.synth.subscribe_to_info()
if self.options.capture_audio:
self._load_sounds()
self._start_capture_audio()
self._tell_visualizers("/synth_address", self.synth.lang_port)
if self.output == self.SSR:
self.ssr.run()
if not self.options.capture_audio:
self._load_sounds()
self._log_time_for_last_handled_event = 0
if self.options.ff_to_start:
self._ff_to_time = self.options.start_time
self.set_time_cursor(0)
else:
self._ff_to_time = None
self.set_time_cursor(self.options.start_time)
def _start_capture_audio(self):
self._audio_capture_filename = self.options.capture_audio
if os.path.exists(self._audio_capture_filename):
os.remove(self._audio_capture_filename)
self._audio_capture_process = subprocess.Popen(
["./jack_capture/jack_capture", "-f", self._audio_capture_filename, "-d", "-1",
"-B", "65536",
"SuperCollider:out_1", "SuperCollider:out_2"],
shell=False,
stdout=subprocess.PIPE)
self._wait_until_audio_capture_started()
def _wait_until_audio_capture_started(self):
print "waiting for audio capture to start"
while True:
line = self._audio_capture_process.stdout.readline().rstrip("\r\n")
m = re.match('^audio capture started at (.*)$', line)
if m:
audio_capture_start_time = float(m.group(1))
self._tell_visualizers("/audio_captured_started", str(audio_capture_start_time))
print "audio capture started"
return
@classmethod
def _estimated_playback_duration(cls, score, options):
last_segment = score[-1]
return last_segment["onset"] / options.timefactor + last_segment["duration"]
@classmethod
def _interpret_chunks_to_score(cls, tr_log, chunks, options):
score = Interpreter(options.max_pause_within_segment,
options.max_segment_duration).interpret(
chunks, tr_log.files)
for segment in score:
segment["duration"] /= options.timefactor
return score
@classmethod
def _filter_playable_chunks(cls, tr_log, chunks):
return filter(lambda chunk: (cls._chunk_is_playable(tr_log, chunk)),
chunks)
@classmethod
def _chunk_is_playable(cls, tr_log, chunk):
file_info = tr_log.files[chunk["filenum"]]
return file_info["playable_file_index"] != -1
def _run_scheduler_thread(self):
self._scheduler_thread = threading.Thread(target=self._process_scheduled_events)
self._scheduler_thread.daemon = True
self._scheduler_thread.start()
def _process_scheduled_events(self):
while not self._quitting:
while True:
try:
delay, priority, action, arguments = self._scheduler_queue.get(True, 0.01)
except Queue.Empty:
break
self.scheduler.enter(delay, priority, action, arguments)
self.scheduler.run()
def _handle_visualizing_message(self, path, args, types, src, data):
segment_id = args[0]
segment = self.segments_by_id[segment_id]
logger.debug("visualizing segment %s" % segment)
player = self.get_player_for_segment(segment)
self._ask_synth_to_play_segment(segment, channel=0, pan=player.spatial_position.pan)
def _ask_synth_to_play_segment(self, segment, channel, pan):
if self.synth:
logger.debug("asking synth to play %s" % segment)
file_info = self.tr_log.files[segment["filenum"]]
if self.output == self.SSR:
segment["sound_source_id"] = self.ssr.allocate_source()
if segment["sound_source_id"] and not self._warned_about_max_sources:
channel = segment["sound_source_id"] - 1
pan = None
else:
print "WARNING: max sources exceeded, skipping segment playback (this warning will not be repeated)"
self._warned_about_max_sources = True
return
self.synth.play_segment(
segment["id"],
segment["audio_filenum"],
segment["relative_start_time_in_file"],
segment["relative_end_time_in_file"],
segment["duration"],
self.looped_duration,
channel,
pan)
self._scheduler_queue.put(
(segment["playback_duration"], 1, self.stopped_playing, [segment]))
def _check_which_files_are_audio(self):
for file_info in self.tr_log.files:
file_info["is_audio"] = self._has_audio_extension(file_info["name"])
@staticmethod
def _has_audio_extension(filename):
return Orchestra._extension(filename) in Orchestra.PLAYABLE_FORMATS
@staticmethod
def _extension(filename):
m = Orchestra._extension_re.search(filename)
if m:
return m.group(1).lower()
def _prepare_playable_files(self):
if self.predecode:
self._num_playable_files = self._get_wav_files_info(
self.tr_log, self.include_non_playable)
else:
raise Exception("playing wav without precoding is not supported")
def _load_sounds(self):
if self.synth:
print "loading sounds"
for filenum in range(len(self._files_to_play)):
file_info = self._files_to_play[filenum]
if file_info["playable_file_index"] != -1:
logger.info("load_sound(%s)" % file_info["decoded_name"])
result = self._load_sound_stubbornly(filenum, file_info["decoded_name"])
logger.info("load_sound result: %s" % result)
print "OK"
def _load_sound_stubbornly(self, filenum, filename):
while True:
result = self.synth.load_sound(filenum, filename)
if result > 0:
return result
else:
warn(logger, "synth returned %s - retrying soon" % result)
time.sleep(1.0)
@classmethod
def _get_wav_files_info(cls, tr_log, include_non_playable=False):
playable_file_index = 0
for filenum in range(len(tr_log.files)):
file_info = tr_log.files[filenum]
file_info["playable_file_index"] = -1
if "decoded_name" in file_info:
file_info["duration"] = cls._get_file_duration(file_info)
if file_info["duration"] > 0:
file_info["playable_file_index"] = playable_file_index
logger.debug("duration for %r: %r\n" %
(file_info["name"], file_info["duration"]))
playable_file_index += 1
if include_non_playable:
file_info["index"] = filenum
else:
file_info["index"] = file_info["playable_file_index"]
return playable_file_index
@classmethod
def _get_file_duration(cls, file_info):
if "decoded_name" in file_info:
statinfo = os.stat(file_info["decoded_name"])
wav_header_size = 44
return float((statinfo.st_size - wav_header_size) / cls.BYTES_PER_SAMPLE) / cls.SAMPLE_RATE
def get_current_log_time(self):
if self.fast_forwarding:
return self._log_time_for_last_handled_event
else:
return self.log_time_played_from + self.stopwatch.get_elapsed_time() * self.timefactor
def play_non_realtime(self, quit_on_end=False):
logger.info("entering play_non_realtime")
self._was_stopped = False
self._num_finished_visualizers = 0
if self._loop:
while True:
self._play_until_end()
if not self._was_stopped:
self._wait_for_visualizers_to_finish()
self.set_time_cursor(0)
else:
self._play_until_end()
if not self._was_stopped:
self._wait_for_visualizers_to_finish()
if quit_on_end:
self._quit()
logger.info("leaving play_non_realtime")
def _quit(self):
if self.options.capture_audio:
self._audio_capture_process.kill()
self._quitting = True
def _play_until_end(self):
logger.info("entering _play_until_end")
self._playing = True
self.stopwatch.start()
time.sleep(self._leading_pause)
no_more_events = False
while self._playing and not no_more_events:
event = self._get_next_chunk_or_segment()
if event:
self._handle_event(event)
else:
no_more_events = True
logger.info("leaving _play_until_end")
def _get_next_chunk_or_segment(self):
logger.debug("chunk index = %d, segment index = %d" % (
self.current_chunk_index, self.current_segment_index))
chunk = self._get_next_chunk()
segment = self._get_next_segment()
logger.debug("next chunk: %s" % chunk)
logger.debug("next segment: %s" % segment)
if chunk and segment:
return self._choose_nearest_chunk_or_segment(chunk, segment)
elif chunk:
return {"type": "chunk",
"chunk": chunk}
elif segment:
return {"type": "segment",
"segment": segment}
else:
return None
def _get_next_chunk(self):
if self.current_chunk_index < len(self.chunks):
return self.chunks[self.current_chunk_index]
def _get_next_segment(self):
if len(self.score) == 0:
return None
elif self.current_segment_index < len(self.score):
return self.score[self.current_segment_index]
def _handle_event(self, event):
if event["type"] == "chunk":
self.handle_chunk(event["chunk"])
self.current_chunk_index += 1
elif event["type"] == "segment":
self.handle_segment(event["segment"])
self.current_segment_index += 1
else:
raise Exception("unexpected event %s" % event)
def _choose_nearest_chunk_or_segment(self, chunk, segment):
if chunk["t"] < segment["onset"]:
return {"type": "chunk",
"chunk": chunk}
else:
return {"type": "segment",
"segment": segment}
def stop(self):
# stop_all disabled as it also deletes ~reverb
# if self.synth:
# self.synth.stop_all()
self._was_stopped = True
self._playing = False
self.log_time_played_from = self.get_current_log_time()
self.stopwatch.stop()
def handle_segment(self, segment):
logger.debug("handling segment %s" % segment)
player = self.get_player_for_segment(segment)
if not player:
logger.debug("get_player_for_segment returned None - skipping playback")
if self.fast_forwarding:
self._stop_ff_if_necessary()
else:
now = self.get_current_log_time()
time_margin = segment["onset"] - now
logger.debug("time_margin=%f-%f=%f" % (segment["onset"], now, time_margin))
if not self.realtime and time_margin > 0:
sleep_time = time_margin
logger.debug("sleeping %f" % sleep_time)
time.sleep(sleep_time)
if player:
logger.debug("player.enabled=%s" % player.enabled)
if player and player.enabled:
player.play(segment, pan=0.5)
self._log_time_for_last_handled_event = segment["onset"]
def handle_chunk(self, chunk):
logger.debug("handling chunk %s" % chunk)
player = self.get_player_for_chunk(chunk)
logger.debug("get_player_for_chunk returned %s" % player)
if self.fast_forwarding:
self._stop_ff_if_necessary()
else:
now = self.get_current_log_time()
time_margin = chunk["t"] - now
logger.debug("time_margin=%f-%f=%f" % (chunk["t"], now, time_margin))
if not self.realtime and time_margin > 0:
sleep_time = time_margin
logger.debug("sleeping %f" % sleep_time)
time.sleep(sleep_time)
if player:
logger.debug("player.enabled=%s" % player.enabled)
if player and player.enabled:
player.visualize(chunk)
self._log_time_for_last_handled_event = chunk["t"]
def _stop_ff_if_necessary(self):
if self._ff_to_time is not None and \
self._log_time_for_last_handled_event >= self._ff_to_time:
self._ff_to_time = None
self.fast_forwarding = False
self.set_time_cursor(self.log_time_played_from)
def highlight_segment(self, segment):
if self.gui:
self.gui.highlight_segment(segment)
def visualize_chunk(self, chunk, player):
if len(self.visualizers) > 0:
self._inform_visualizers_about_peer(player)
file_info = self.tr_log.files[chunk["filenum"]]
self._chunks_by_id[chunk["id"]] = chunk
self._tell_visualizers(
"/chunk",
chunk["id"],
chunk["begin"],
chunk["end"] - chunk["begin"],
file_info["index"],
player.id,
chunk["t"])
def visualize_segment(self, segment, player):
if len(self.visualizers) > 0:
self._inform_visualizers_about_peer(player)
file_info = self.tr_log.files[segment["filenum"]]
self.segments_by_id[segment["id"]] = segment
self._tell_visualizers(
"/segment",
segment["id"],
segment["begin"],
segment["end"] - segment["begin"],
file_info["index"],
player.id,
segment["t"],
segment["playback_duration"])
else:
self._ask_synth_to_play_segment(segment, channel=0, pan=0.5)
def stopped_playing(self, segment):
logger.debug("stopped segment %s" % segment)
if self.gui:
self.gui.unhighlight_segment(segment)
if self.output == self.SSR and segment["sound_source_id"]:
self.ssr.free_source(segment["sound_source_id"])
def play_segment(self, segment, player):
self.segments_by_id[segment["id"]] = segment
if self.looped_duration:
segment["playback_duration"] = self.looped_duration
else:
segment["playback_duration"] = segment["duration"]
self.visualize_segment(segment, player)
def _send_torrent_info_to_uninformed_visualizers(self):
for visualizer in self.visualizers:
if not visualizer.informed_about_torrent:
self._send_torrent_info_to_visualizer(visualizer)
def _inform_visualizers_about_peer(self, player):
for visualizer in self.visualizers:
if player.id not in visualizer.informed_about_peer:
if visualizer.send(
"/peer", player.id, player.addr, player.spatial_position.bearing,
player.spatial_position.pan, player.location_str):
visualizer.informed_about_peer[player.id] = True
def _send_torrent_info_to_visualizer(self, visualizer):
if not visualizer.send(
"/torrent",
self._num_selected_files,
self.tr_log.lastchunktime(),
self.tr_log.total_file_size(),
len(self.chunks),
len(self.score),
self.options.title):
return
for filenum in range(len(self.tr_log.files)):
file_info = self.tr_log.files[filenum]
if self.include_non_playable or file_info["playable_file_index"] != -1:
if not visualizer.send(
"/file",
file_info["index"],
file_info["offset"],
file_info["length"]):
return
visualizer.informed_about_torrent = True
def get_player_for_chunk(self, chunk):
try:
return chunk["player"]
except KeyError:
peer_player = self.get_player_for_peer(chunk["peeraddr"])
chunk["player"] = peer_player
return peer_player
def get_player_for_segment(self, segment):
try:
return segment["player"]
except KeyError:
peer_player = self.get_player_for_peer(segment["peeraddr"])
segment["player"] = peer_player
return peer_player
def get_player_for_peer(self, peeraddr):
peer_player = None
try:
peer_player = self._player_for_peer[peeraddr]
except KeyError:
peer_player = self._create_player(peeraddr)
self.players.append(peer_player)
self._player_for_peer[peeraddr] = peer_player
return peer_player
def _create_player(self, addr):
count = len(self.players)
logger.debug("creating player number %d" % count)
player = self._player_class(self, count)
player.addr = addr
if self.server.options.locate_peers and self._peer_location[addr] is not None:
x, y, place_name = self._peer_location[addr]
if place_name:
place_name = place_name.encode("unicode_escape")
else:
place_name = ""
player.location_str = "%s,%s,%s" % (x, y, place_name)
if x < self._peers_center_location_x:
player.spatial_position.pan = -1.0
else:
player.spatial_position.pan = 1.0
else:
player.location_str = ""
return player
def set_time_cursor(self, log_time):
assert not self.realtime
logger.debug("setting time cursor at %f" % log_time)
self.log_time_played_from = log_time
if self._playing:
self.stopwatch.restart()
self.current_chunk_index = self._get_current_chunk_index()
self.current_segment_index = self._get_current_segment_index()
def _get_current_chunk_index(self):
index = 0
next_to_last_index = len(self.chunks) - 2
while index < next_to_last_index:
if self.chunks[index+1]["t"] >= self.log_time_played_from:
return index
index += 1
return len(self.chunks) - 1
def _get_current_segment_index(self):
index = 0
next_to_last_index = len(self.score) - 2
while index < next_to_last_index:
if self.score[index+1]["onset"] >= self.log_time_played_from:
return index
index += 1
return len(self.score) - 1
def _handle_set_listener_position(self, path, args, types, src, data):
if self.output == self.SSR:
x, y = args
self.ssr.set_listener_position(x, y)
def _handle_set_listener_orientation(self, path, args, types, src, data):
if self.output == self.SSR:
orientation = args[0]
self.ssr.set_listener_orientation(orientation)
def _handle_place_segment(self, path, args, types, src, data):
segment_id, x, y, duration = args
if self.output == self.SSR:
segment = self.segments_by_id[segment_id]
sound_source_id = segment["sound_source_id"]
if sound_source_id is not None:
self.ssr.place_source(sound_source_id, x, y, duration)
else:
pan = self._spatial_position_to_stereo_pan(x, y)
if self.synth:
self.synth.pan(segment_id, pan)
def _handle_enable_smooth_movement(self, path, args, types, src, data):
pass # OBSOLETE after smooth movement made default
def _handle_start_segment_movement_from_peer(self, path, args, types, src, data):
segment_id, duration = args
if self.output == self.SSR:
segment = self.segments_by_id[segment_id]
sound_source_id = segment["sound_source_id"]
if sound_source_id is not None:
player = self.get_player_for_segment(segment)
self.ssr.start_source_movement(
sound_source_id, player.trajectory, duration)
def _spatial_position_to_stereo_pan(self, x, y):
# compare rectangular_visualizer.Visualizer.pan_segment
# NOTE: assumes default listener position and orientation!
return float(x) / 5 + 0.5
def reset(self):
if self.synth:
self.synth.stop_engine()
self._tell_visualizers("/reset")
for visualizer in self.visualizers:
visualizer.informed_about_torrent = False
visualizer.informed_about_peer = {}
def _tell_visualizers(self, *args):
self._send_torrent_info_to_uninformed_visualizers()
self.server._tell_visualizers(*args)
def _fileinfo_for_pretended_audio_file(self):
return {"offset": 0,
"length": os.stat(self.options.pretend_audio_filename).st_size,
"name": self.options.pretend_audio_filename,
"playable_file_index": 0}
def _handle_finished(self, path, args, types, src, data):
self._num_finished_visualizers += 1
def _wait_for_visualizers_to_finish(self):
while self._num_finished_visualizers < len(self.visualizers):
time.sleep(0.1)
def _get_peers_center_location_x(self):
if len(self._peer_location) <= 1:
return 0
else:
sorted_xs = sorted([x for x,y,location_str in self._peer_location.values()])
center_index = int((len(self._peer_location)-1) / 2)
return float(sorted_xs[center_index] + sorted_xs[center_index+1]) / 2
