def _update_video_row(self):
"""Determines the most recent row number, relative to video time.
:returns: True if the row has changed, False otherwise.
"""
if (self._last_video_time is None):
# Clear the video row.
if (self._last_video_row is not None):
self._last_video_row = None
return True
else:
return False
result = None
start_row = 0
if (self._last_video_row is not None):
# Take a shortcut: Scan from where we used to be.
if (common.delta_seconds(self._snarks[self._last_video_row]["time"]) < self._last_video_time):
start_row = self._last_video_row
for i in range(start_row, len(self._snarks)-1):
snark = self._snarks[i]
if (common.delta_seconds(snark["time"]) <= self._last_video_time):
next_snark = self._snarks[i+1]
if (common.delta_seconds(next_snark["time"]) > self._last_video_time):
result = i
break
if (result != self._last_video_row):
self._last_video_row = result
return True
else:
return False
def set_video_time(self, milliseconds):
"""Notifies this widget that the video time has changed.
All snarks within the config's show_time will be shown,
excluding any that are ignored.
"""
seconds = milliseconds // 1000
if (self._last_video_time is None or seconds != self._last_video_time):
self._last_video_time = seconds
if (self._update_video_row() is True):
self.snark_table.set_video_row(self._last_video_row)
self.snark_grid.ForceRefresh()
# If within the duration of a snark's show time, display it.
if (self._last_video_row is not None):
last_video_snark = self._snarks[self._last_video_row]
if (abs(common.delta_seconds(last_video_snark["time"]) - seconds) <= common.delta_seconds(self._config.show_time)):
# Back up a bit to collate simultaneous snarks.
msgs = []
for i in range(self._last_video_row, -1, -1):
snark = self._snarks[i]
if (snark["time"] != last_video_snark["time"]): break
if ("_ignored" in snark and snark["_ignored"]): continue
msgs.insert(0, "%s: %s" % (snark["user"], snark["msg"]))
msg = "\n".join(msgs)
if (len(msg) > 0):
wx.GetApp().player_frame.show_vlc_message(msg)
def delta_repr(delta): """Returns a pretty repr string of a timedelta. If delta is None, repr(None) will be returned. """ if (delta is None): return repr(None) minutes, seconds = divmod(common.delta_seconds(delta), 60) return "timedelta(minutes=%d, seconds=%d)" % (minutes, seconds)
def _on_goto(self, e):
"""Seeks the video to the currently selected snark row's time."""
rows = self.snark_grid.GetSelectedRows()
if (not rows):
self.statusbar.SetStatusText("No snark selected.", self.STATUS_HELP)
else:
wx.GetApp().player_frame.set_vlc_time(max(0, (common.delta_seconds(self._snarks[rows[0]]["time"])-self.seek_preroll) * 1000))
if (e is not None): e.Skip(False) # Consume the event.
def on_snarks_changed(self, e):
"""Responds to config/snarks list changes.
See common.SnarksWrapper.add_snarks_listener().
:param e: A SnarksEvent.
"""
if (common.SnarksEvent.FLAG_CONFIG_SHOW_TIME not in e.get_flags()):
return
self._config = e.get_source().clone_config()
show_time_milliseconds = common.delta_seconds(self._config.show_time)*1000
self.vlc_player.video_set_marquee_int(vlc.VideoMarqueeOption.Timeout, show_time_miliseconds) # Milliseconds. 0=Forever.
def init_vlc(self):
"""Sets the window id where VLC will render video output.
On platforms with GTK, this might only be possible after the
window has been created.
"""
# Gotta mention marq in the instance for marquee methods to work.
# Gotta show title for marquee to be visible.
# Verbose -1 suppresses spam about "vlc_object_find_name" not being safe.
self.vlc_obj = vlc.Instance("--video-title-show", "--video-title-timeout=1", "--sub-filter=logo:marq", "--verbose=-1")
self.vlc_player = self.vlc_obj.media_player_new()
self.vlc_event_manager = None
show_time_milliseconds = common.delta_seconds(self._config.show_time)*1000
#self.vlc_player.video_set_marquee_int(vlc.VideoMarqueeOption.Enable, 1) # Must enable while video is shown.
self.vlc_player.video_set_marquee_int(vlc.VideoMarqueeOption.Position, vlc.Position.Bottom)
self.vlc_player.video_set_marquee_int(vlc.VideoMarqueeOption.Refresh, 100) # Milliseconds.
self.vlc_player.video_set_marquee_int(vlc.VideoMarqueeOption.Timeout, show_time_milliseconds) # Milliseconds. 0=Forever.
#self.vlc_player.video_set_marquee_string(vlc.VideoMarqueeOption.Text, "aaaaaaaaaa")
this_platform = platform.system()
if (re.search("Linux", this_platform, re.IGNORECASE)):
self.vlc_player.set_xwindow(self.video_panel.GetHandle())
elif (re.search("Windows", this_platform, re.IGNORECASE)):
self.vlc_player.set_hwnd(self.video_panel.GetHandle())
elif (re.search("Darwin", this_platform, re.IGNORECASE)):
# Reportedly this is broken.
# In OSX, the vlc window can not be attached.
# And there's some weirdness concerning wx on Carbon vs new Cocoa.
self.vlc_player.set_nsobject(self.video_panel.GetHandle())
# or self.vlc_player.set_agl(self.video_panel.GetHandle())
else:
logging.error("Could not associate VLC video overlay with the GUI window.")
if (not self.vlc_event_manager):
self.vlc_event_manager = self.vlc_player.event_manager()
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerMediaChanged, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerSeekableChanged, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerPausableChanged, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerPlaying, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerPaused, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerStopped, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerLengthChanged, self._on_vlc_event)
self.vlc_event_manager.event_attach(vlc.EventType.MediaPlayerTimeChanged, self._on_vlc_event)
# Start polling GUI controls to nag vlc.
self.pulse_timer.Start(milliseconds=250)
def _on_next_user(self, e):
"""Selects the next snark row by the currently selected snark's user.
If possible, the video will seek to the new snark's time.
"""
rows = self.snark_grid.GetSelectedRows()
if (not rows):
self.statusbar.SetStatusText("No snark selected.", self.STATUS_HELP)
else:
for i in range(rows[0]+1, len(self._snarks)):
if (self._snarks[i]["user"] == self._snarks[rows[0]]["user"]):
self.snark_grid.SelectRow(i, False)
#self.snark_grid.MakeCellVisible(i, 0)
cell_bounds = self.snark_grid.CellToRect(i, 0)
self.snark_grid.Scroll(0, cell_bounds.y // self.snark_grid.GetScrollLineY())
wx.GetApp().player_frame.set_vlc_time(max(0, (common.delta_seconds(self._snarks[i]["time"])-self.seek_preroll) * 1000))
break
if (e is not None): e.Skip(False) # Consume the event.