def _createUi(self):
self.embed = GtkClutter.Embed()
self.embed.get_accessible().set_name("timeline canvas") # for dogtail
self.stage = self.embed.get_stage()
self.timeline = TimelineStage(self)
self.controls = ControlContainer(self.timeline)
self.zoomBox = ZoomBox(self)
self.shiftMask = False
self.controlMask = False
# TODO: make the bg a gradient from (0, 0, 0, 255) to (50, 50, 50, 255)
self.stage.set_background_color(Clutter.Color.new(31, 30, 33, 255))
self.timeline.set_position(CONTROL_WIDTH, 0)
self.controls.set_position(0, 0)
self.controls.set_z_position(2)
self.stage.add_child(self.controls)
self.stage.add_child(self.timeline)
self.stage.connect("destroy", quit_)
self.stage.connect("button-press-event", self._clickedCb)
self.stage.connect("button-release-event", self._releasedCb)
self.embed.connect("scroll-event", self._scrollEventCb)
if self.gui:
self.gui.connect("key-press-event", self._keyPressEventCb)
self.gui.connect("key-release-event", self._keyReleaseEventCb)
self.embed.connect("enter-notify-event", self._enterNotifyEventCb)
self.point = Clutter.Point()
self.point.x = 0
self.point.y = 0
self.scrolled = 0
self.zoomed_fitted = True
self.pressed = False
self._packScrollbars(self)
self.stage.show()
class Timeline(Gtk.VBox, Zoomable):
"""
This is the main timeline widget, which will contain the timeline stage
and the layer controls, the scrollbars and the ruler.
"""
def __init__(self, gui, instance, ui_manager):
Zoomable.__init__(self)
Gtk.VBox.__init__(self)
GObject.threads_init()
self.gui = gui
self.ui_manager = ui_manager
self.app = instance
self._settings = None
if self.app:
self._settings = self.app.settings
self._projectmanager = None
self._project = None
self.pipeline = None
self._createUi()
self._createActions()
self._setUpDragAndDrop()
if self._settings:
self._settings.connect("edgeSnapDeadbandChanged",
self._snapDistanceChangedCb)
# Standalone
if not self._settings:
gtksettings = Gtk.Settings.get_default()
gtksettings.set_property("gtk-application-prefer-dark-theme", True)
self.show_all()
# Public API
def insertEnd(self, assets):
"""
Allows to add any asset at the end of the current timeline.
"""
self.app.action_log.begin("add clip")
# FIXME we should find the longest layer instead of adding it to the
# first one
# Handle the case of a blank project
layer = self._ensureLayer()[0]
for asset in assets:
if isinstance(asset, GES.TitleClip):
clip_duration = asset.get_duration()
elif asset.is_image():
clip_duration = long(long(self._settings.imageClipLength) * Gst.SECOND / 1000)
else:
clip_duration = asset.get_duration()
if not isinstance(asset, GES.TitleClip):
layer.add_asset(asset, self.bTimeline.props.duration,
0, clip_duration, asset.get_supported_formats())
else:
asset.set_start(self.bTimeline.props.duration)
layer.add_clip(asset)
if self.zoomed_fitted:
self._setBestZoomRatio()
else:
self.scrollToPosition(self.bTimeline.props.duration)
def setProjectManager(self, projectmanager):
if self._projectmanager is not None:
self._projectmanager.disconnect_by_func(self._projectChangedCb)
self._projectmanager = projectmanager
if projectmanager is not None:
projectmanager.connect("new-project-created", self._projectCreatedCb)
projectmanager.connect("new-project-loaded", self._projectChangedCb)
def updateHScrollAdjustments(self):
"""
Recalculate the horizontal scrollbar depending on the timeline duration.
"""
timeline_ui_width = self.embed.get_allocation().width
controls_width = 0
scrollbar_width = 0
contents_size = Zoomable.nsToPixel(self.bTimeline.props.duration)
widgets_width = controls_width + scrollbar_width
end_padding = CONTROL_WIDTH + 250 # Provide some space for clip insertion at the end
self.hadj.props.lower = 0
self.hadj.props.upper = contents_size + widgets_width + end_padding
self.hadj.props.page_size = timeline_ui_width
self.hadj.props.page_increment = contents_size * 0.9
self.hadj.props.step_increment = contents_size * 0.1
if contents_size + widgets_width <= timeline_ui_width:
# We're zoomed out completely, re-enable automatic zoom fitting
# when adding new clips.
self.zoomed_fitted = True
def zoomFit(self):
self._hscrollBar.set_value(0)
self._setBestZoomRatio()
def scrollToPosition(self, position):
if position > self.hadj.props.upper:
# we can't perform the scroll because the canvas needs to be
# updated
GLib.idle_add(self._scrollToPosition, position)
else:
self._scrollToPosition(position)
def setTimeline(self, bTimeline):
self.bTimeline = bTimeline
self.timeline.selection.connect("selection-changed", self._selectionChangedCb)
self.timeline.setTimeline(bTimeline)
def getEditionMode(self, isAHandle=False):
if self.shiftMask or (self.gui and self.gui._autoripple_active):
return GES.EditMode.EDIT_RIPPLE
if isAHandle and self.controlMask:
return GES.EditMode.EDIT_ROLL
elif isAHandle:
return GES.EditMode.EDIT_TRIM
return GES.EditMode.EDIT_NORMAL
# Internal API
def _createUi(self):
self.embed = GtkClutter.Embed()
self.embed.get_accessible().set_name("timeline canvas") # for dogtail
self.stage = self.embed.get_stage()
self.timeline = TimelineStage(self)
self.controls = ControlContainer(self.timeline)
self.zoomBox = ZoomBox(self)
self.shiftMask = False
self.controlMask = False
# TODO: make the bg a gradient from (0, 0, 0, 255) to (50, 50, 50, 255)
self.stage.set_background_color(Clutter.Color.new(31, 30, 33, 255))
self.timeline.set_position(CONTROL_WIDTH, 0)
self.controls.set_position(0, 0)
self.controls.set_z_position(2)
self.stage.add_child(self.controls)
self.stage.add_child(self.timeline)
self.stage.connect("destroy", quit_)
self.stage.connect("button-press-event", self._clickedCb)
self.stage.connect("button-release-event", self._releasedCb)
self.embed.connect("scroll-event", self._scrollEventCb)
if self.gui:
self.gui.connect("key-press-event", self._keyPressEventCb)
self.gui.connect("key-release-event", self._keyReleaseEventCb)
self.embed.connect("enter-notify-event", self._enterNotifyEventCb)
self.point = Clutter.Point()
self.point.x = 0
self.point.y = 0
self.scrolled = 0
self.zoomed_fitted = True
self.pressed = False
self._packScrollbars(self)
self.stage.show()
def _setUpDragAndDrop(self):
self.dropHighlight = False
self.dropOccured = False
self.dropDataReady = False
self.dropData = None
dnd_list = [Gtk.TargetEntry.new('text/uri-list', Gtk.TargetFlags.OTHER_APP, TARGET_TYPE_URI_LIST)]
self.drag_dest_set(0, dnd_list, Gdk.DragAction.COPY)
self.drag_dest_add_uri_targets()
self.connect('drag-motion', self._dragMotionCb)
self.connect('drag-data-received', self._dragDataReceivedCb)
self.connect('drag-drop', self._dragDropCb)
self.connect('drag-leave', self._dragLeaveCb)
def _ensureLayer(self):
"""
Make sure we have a layer in our timeline
Returns: The number of layer present in self.timeline
"""
layers = self.bTimeline.get_layers()
if not layers:
layer = GES.Layer()
layer.props.auto_transition = True
self.bTimeline.add_layer(layer)
layers = [layer]
return layers
def _createActions(self):
if not self.gui:
return
actions = (
("ZoomIn", Gtk.STOCK_ZOOM_IN, None,
"<Control>plus", ZOOM_IN, self._zoomInCb),
("ZoomOut", Gtk.STOCK_ZOOM_OUT, None,
"<Control>minus", ZOOM_OUT, self._zoomOutCb),
("ZoomFit", Gtk.STOCK_ZOOM_FIT, None,
"<Control>0", ZOOM_FIT, self._zoomFitCb),
("Screenshot", None, _("Export current frame..."),
None, _("Export the frame at the current playhead "
"position as an image file."), self._screenshotCb),
# Alternate keyboard shortcuts to the actions above
("ControlEqualAccel", Gtk.STOCK_ZOOM_IN, None,
"<Control>equal", ZOOM_IN, self._zoomInCb),
("ControlKPAddAccel", Gtk.STOCK_ZOOM_IN, None,
"<Control>KP_Add", ZOOM_IN, self._zoomInCb),
("ControlKPSubtractAccel", Gtk.STOCK_ZOOM_OUT, None,
"<Control>KP_Subtract", ZOOM_OUT, self._zoomOutCb),
)
selection_actions = (
("DeleteObj", Gtk.STOCK_DELETE, None,
"Delete", DELETE, self._deleteSelected),
("UngroupObj", "pitivi-ungroup", _("Ungroup"),
"<Shift><Control>G", UNGROUP, self._ungroupSelected),
# Translators: This is an action, the title of a button
("GroupObj", "pitivi-group", _("Group"),
"<Control>G", GROUP, self._groupSelected),
("AlignObj", "pitivi-align", _("Align"),
"<Shift><Control>A", ALIGN, self._alignSelected),
)
playhead_actions = (
("PlayPause", Gtk.STOCK_MEDIA_PLAY, None,
"space", _("Start Playback"), self._playPause),
("Split", "pitivi-split", _("Split"),
"S", SPLIT, self._split),
("Keyframe", "pitivi-keyframe", _("Add a Keyframe"),
"K", KEYFRAME, self._keyframe),
("Prevkeyframe", None, _("_Previous Keyframe"),
"comma", PREVKEYFRAME, self._previousKeyframeCb),
("Nextkeyframe", None, _("_Next Keyframe"),
"period", NEXTKEYFRAME, self._nextKeyframeCb),
)
actiongroup = Gtk.ActionGroup("timelinepermanent")
self.selection_actions = Gtk.ActionGroup("timelineselection")
self.playhead_actions = Gtk.ActionGroup("timelineplayhead")
actiongroup.add_actions(actions)
self.ui_manager.insert_action_group(actiongroup, 0)
self.selection_actions.add_actions(selection_actions)
self.selection_actions.set_sensitive(False)
self.ui_manager.insert_action_group(self.selection_actions, -1)
self.playhead_actions.add_actions(playhead_actions)
self.ui_manager.insert_action_group(self.playhead_actions, -1)
self.ui_manager.add_ui_from_string(ui)
def _packScrollbars(self, vbox):
self.hadj = Gtk.Adjustment()
self.vadj = Gtk.Adjustment()
self._vscrollbar = Gtk.VScrollbar(self.vadj)
self._hscrollBar = Gtk.HScrollbar(self.hadj)
self.ruler = ScaleRuler(self, self.hadj)
hbox = Gtk.HBox()
self.hadj.connect("value-changed", self._updateScrollPosition)
self.vadj.connect("value-changed", self._updateScrollPosition)
vbox.pack_end(self._hscrollBar, False, True, False)
self.ruler.setProjectFrameRate(24.)
self.ruler.set_size_request(0, 25)
self.ruler.hide()
self.vadj.props.lower = 0
self.vadj.props.page_size = 250
hbox.pack_start(self.embed, True, True, True)
hbox.pack_start(self._vscrollbar, False, True, False)
vbox.pack_end(hbox, True, True, True)
hbox = Gtk.HBox()
self.zoomBox.set_size_request(CONTROL_WIDTH, -1)
hbox.pack_start(self.zoomBox, False, True, False)
hbox.pack_start(self.ruler, True, True, True)
vbox.pack_end(hbox, False, True, False)
def _updateScrollPosition(self, adjustment):
self._scroll_pos_ns = Zoomable.pixelToNs(self.hadj.get_value())
point = Clutter.Point()
point.x = self.hadj.get_value()
point.y = self.vadj.get_value()
self.point = point
self.timeline.scroll_to_point(point)
point.x = 0
self.controls.scroll_to_point(point)
def _setBestZoomRatio(self):
"""
Set the zoom level so that the entire timeline is in view.
"""
ruler_width = self.ruler.get_allocation().width
# Add Gst.SECOND - 1 to the timeline duration to make sure the
# last second of the timeline will be in view.
duration = self.timeline.bTimeline.get_duration()
if duration == 0:
return
timeline_duration = duration + Gst.SECOND - 1
timeline_duration_s = int(timeline_duration / Gst.SECOND)
ideal_zoom_ratio = float(ruler_width) / timeline_duration_s
nearest_zoom_level = Zoomable.computeZoomLevel(ideal_zoom_ratio)
Zoomable.setZoomLevel(nearest_zoom_level)
self.timeline.bTimeline.props.snapping_distance = \
Zoomable.pixelToNs(self.app.settings.edgeSnapDeadband)
# Only do this at the very end, after updating the other widgets.
self.zoomed_fitted = True
def _scrollLeft(self):
self._hscrollBar.set_value(self._hscrollBar.get_value() -
self.hadj.props.page_size ** (2.0 / 3.0))
def _scrollRight(self):
self._hscrollBar.set_value(self._hscrollBar.get_value() +
self.hadj.props.page_size ** (2.0 / 3.0))
def _scrollUp(self):
self._vscrollbar.set_value(self._vscrollbar.get_value() -
self.vadj.props.page_size ** (2.0 / 3.0))
def _scrollDown(self):
self._vscrollbar.set_value(self._vscrollbar.get_value() +
self.vadj.props.page_size ** (2.0 / 3.0))
def _scrollToPosition(self, position):
if self.pipeline and self.pipeline.get_state() != Gst.State.PLAYING:
self.timeline.save_easing_state()
self.timeline.set_easing_duration(600)
self._hscrollBar.set_value(position)
if self.pipeline and self.pipeline.get_state() != Gst.State.PLAYING:
self.timeline.restore_easing_state()
return False
def _scrollToPlayhead(self):
#self.ruler._maybeUpdate()
if self.ruler.pressed or self.pressed:
self.pressed = False
return
canvas_size = self.embed.get_allocation().width - CONTROL_WIDTH
try:
new_pos = Zoomable.nsToPixel(self.app.current.pipeline.getPosition())
except PipelineError:
return
except AttributeError: # Standalone, no pipeline.
return
scroll_pos = self.hadj.get_value()
self.scrollToPosition(min(new_pos - canvas_size / 2,
self.hadj.props.upper - canvas_size - 1))
def _deleteSelected(self, unused_action):
if self.timeline:
self.app.action_log.begin("delete clip")
#FIXME GES port: Handle unlocked TrackElement-s
for clip in self.timeline.selection:
layer = clip.get_layer()
layer.remove_clip(clip)
self.app.action_log.commit()
def _ungroupSelected(self, unused_action):
if self.timeline:
self.timeline.enable_update(False)
self.app.action_log.begin("ungroup")
for clip in self.timeline.selection:
clip.ungroup(False)
self.timeline.enable_update(True)
self.app.action_log.commit()
def _groupSelected(self, unused_action):
if self.timeline:
self.timeline.enable_update(False)
self.app.action_log.begin("group")
GES.Container.group(self.timeline.selection)
self.app.action_log.commit()
self.timeline.enable_update(True)
def _alignSelected(self, unused_action):
if "NumPy" in missing_soft_deps:
DepsManager(self.app)
elif self.timeline:
progress_dialog = AlignmentProgressDialog(self.app)
progress_dialog.window.show()
self.app.action_log.begin("align")
self.timeline.enable_update(False)
def alignedCb(): # Called when alignment is complete
self.timeline.enable_update(True)
self.app.action_log.commit()
progress_dialog.window.destroy()
pmeter = self.timeline.alignSelection(alignedCb)
pmeter.addWatcher(progress_dialog.updatePosition)
def _split(self, action):
"""
Split clips at the current playhead position, regardless of selections.
"""
self.bTimeline.enable_update(False)
position = self.app.current.pipeline.getPosition()
for track in self.bTimeline.get_tracks():
for element in track.get_elements():
start = element.get_start()
end = start + element.get_duration()
if start < position and end > position:
clip = element.get_parent()
clip.split(position)
self.bTimeline.enable_update(True)
def _keyframe(self, action):
"""
Add or remove a keyframe at the current position of the selected clip.
FIXME GES: this method is currently not used anywhere
"""
selected = self.timeline.selection.getSelectedTrackElements()
for obj in selected:
keyframe_exists = False
position = self.app.current.pipeline.getPosition()
position_in_obj = (position - obj.start) + obj.in_point
interpolators = obj.getInterpolators()
for value in interpolators:
interpolator = obj.getInterpolator(value)
keyframes = interpolator.getInteriorKeyframes()
for kf in keyframes:
if kf.getTime() == position_in_obj:
keyframe_exists = True
self.app.action_log.begin("remove volume point")
interpolator.removeKeyframe(kf)
self.app.action_log.commit()
if keyframe_exists is False:
self.app.action_log.begin("add volume point")
interpolator.newKeyframe(position_in_obj)
self.app.action_log.commit()
def _playPause(self, unused_action):
self.app.current.pipeline.togglePlayback()
def _transposeXY(self, x, y):
height = self.ruler.get_allocation().height
x += self.timeline.get_scroll_point().x
return x - CONTROL_WIDTH, y - height
# Interface
# Zoomable
def zoomChanged(self):
if self._settings and self.bTimeline:
# zoomChanged might be called various times before the UI is ready
self.bTimeline.props.snapping_distance = \
Zoomable.pixelToNs(self._settings.edgeSnapDeadband)
self.updateHScrollAdjustments()
# Callbacks
def _enterNotifyEventCb(self, widget, event):
if self.gui:
self.gui.setActionsSensitive(True)
def _keyPressEventCb(self, widget, event):
if event.keyval == Gdk.KEY_Shift_L:
self.shiftMask = True
elif event.keyval == Gdk.KEY_Control_L:
self.controlMask = True
def _keyReleaseEventCb(self, widget, event):
if event.keyval == Gdk.KEY_Shift_L:
self.shiftMask = False
elif event.keyval == Gdk.KEY_Control_L:
self.controlMask = False
def _clickedCb(self, stage, event):
self.pressed = True
position = self.pixelToNs(event.x - CONTROL_WIDTH + self.timeline._scroll_point.x)
if self.app:
self._seeker.seek(position)
actor = self.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, event.x, event.y)
if actor == stage:
self.timeline.emptySelection()
def _releasedCb(self, stage, event):
self.timeline._snapEndedCb()
def _renderingSettingsChangedCb(self, project, item, value):
"""
Called when any Project metadata changes, we filter out the one
we are interested in.
if @item is None, it mean we called it ourself, and want to force
getting the project videorate value
"""
if item == "videorate" or item is None:
if value is None:
value = project.videorate
self._framerate = value
self.ruler.setProjectFrameRate(self._framerate)
def _snapDistanceChangedCb(self, settings):
if self.bTimeline:
self.bTimeline.props.snapping_distance = \
Zoomable.pixelToNs(settings.edgeSnapDeadband)
def _projectChangedCb(self, app, project, unused_fully_loaded):
"""
When a project is loaded, we connect to its pipeline
"""
if project:
self._seeker = self._project.seeker
self.timeline.setPipeline(self._project.pipeline)
self.ruler.setProjectFrameRate(self._project.videorate)
self.ruler.zoomChanged()
self._renderingSettingsChangedCb(self._project, None, None)
self._setBestZoomRatio()
def _projectCreatedCb(self, app, project):
"""
When a project is created, we connect to it timeline
"""
if self._project:
self._project.disconnect_by_func(self._renderingSettingsChangedCb)
try:
self.timeline.pipeline.disconnect_by_func(self.timeline.positionCb)
except AttributeError:
pass
except TypeError:
pass # We were not connected no problem
self.timeline.pipeline = None
self._seeker = None
self._project = project
if self._project:
self._project.connect("rendering-settings-changed",
self._renderingSettingsChangedCb)
self.setTimeline(project.timeline)
def _zoomInCb(self, unused_action):
Zoomable.zoomIn()
self.log("Setting 'zoomed_fitted' to False")
self.zoomed_fitted = False
def _zoomOutCb(self, unused_action):
Zoomable.zoomOut()
self.log("Setting 'zoomed_fitted' to False")
self.zoomed_fitted = False
def _zoomFitCb(self, unused, unsued2=None):
self._setBestZoomRatio()
def _screenshotCb(self, unused_action):
"""
Export a snapshot of the current frame as an image file.
"""
foo = self._showSaveScreenshotDialog()
if foo:
path, mime = foo[0], foo[1]
self._project.pipeline.save_thumbnail(-1, -1, mime, path)
def _previousKeyframeCb(self, action):
position = self.app.current.pipeline.getPosition()
prev_kf = self.timeline.getPrevKeyframe(position)
if prev_kf:
self._seeker.seek(prev_kf)
self.scrollToPlayhead()
def _nextKeyframeCb(self, action):
position = self.app.current.pipeline.getPosition()
next_kf = self.timeline.getNextKeyframe(position)
if next_kf:
self._seeker.seek(next_kf)
self.scrollToPlayhead()
def _scrollEventCb(self, embed, event):
# FIXME : see https://bugzilla.gnome.org/show_bug.cgi?id=697522
deltas = event.get_scroll_deltas()
if event.state & Gdk.ModifierType.CONTROL_MASK:
if deltas[2] < 0:
Zoomable.zoomIn()
elif deltas[2] > 0:
Zoomable.zoomOut()
self.zoomed_fitted = False
self._scrollToPlayhead()
elif event.state & Gdk.ModifierType.SHIFT_MASK:
if deltas[2] > 0:
self._scrollDown()
elif deltas[2] < 0:
self._scrollUp()
else:
if deltas[2] > 0:
self._scrollRight()
elif deltas[2] < 0:
self._scrollLeft()
self.scrolled += 1
def _selectionChangedCb(self, selection):
"""
The selected clips on the timeline canvas have changed with the
"selection-changed" signal.
This is where you apply global UI changes, unlike individual
track elements' "selected-changed" signal from the Selected class.
"""
if selection:
self.selection_actions.set_sensitive(True)
else:
self.selection_actions.set_sensitive(False)
# drag and drop
def _dragDataReceivedCb(self, widget, context, x, y, data, info, time):
if not self.dropDataReady:
if data.get_length() > 0:
if not self.dropOccured:
self.timeline.resetGhostClips()
self.dropData = data.get_uris()
self.dropDataReady = True
if self.dropOccured:
self.dropOccured = False
Gtk.drag_finish(context, True, False, time)
self._dragLeaveCb(widget, context, time)
else:
self.isDraggedClip = True
def _dragDropCb(self, widget, context, x, y, time):
target = widget.drag_dest_find_target(context, None)
y -= self.ruler.get_allocation().height
if target.name() == "text/uri-list":
self.dropOccured = True
widget.drag_get_data(context, target, time)
if self.isDraggedClip:
self.timeline.convertGhostClips()
self.timeline.resetGhostClips()
if self.zoomed_fitted:
self._setBestZoomRatio()
else:
x, y = self._transposeXY(x, y)
self.scrollToPosition(Zoomable.pixelToNs(x))
else:
actor = self.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y)
try:
bElement = actor.bElement
self.app.gui.clipconfig.effect_expander.addEffectToClip(bElement.get_parent(), self.dropData[0])
except AttributeError:
return False
return True
else:
return False
def _dragMotionCb(self, widget, context, x, y, time):
target = widget.drag_dest_find_target(context, None)
if target.name() not in ["text/uri-list", "pitivi/effect"]:
return False
if not self.dropDataReady:
widget.drag_get_data(context, target, time)
Gdk.drag_status(context, 0, time)
else:
x, y = self._transposeXY(x, y)
# dragged from the media library
if not self.timeline.ghostClips and self.isDraggedClip:
for uri in self.dropData:
asset = self.app.gui.medialibrary.getAssetForUri(uri)
if asset is None:
self.isDraggedClip = False
break
self.timeline.addGhostClip(asset, x, y)
if self.isDraggedClip:
self.timeline.updateGhostClips(x, y)
Gdk.drag_status(context, Gdk.DragAction.COPY, time)
if not self.dropHighlight:
widget.drag_highlight()
self.dropHighlight = True
return True
def _dragLeaveCb(self, widget, context, time):
if self.dropDataReady:
self.dropDataReady = False
if self.dropHighlight:
widget.drag_unhighlight()
self.dropHighlight = False
self.timeline.removeGhostClips()
# Standalone
# Standalone public API
def run(self):
self.testTimeline(self.timeline)
GLib.io_add_watch(sys.stdin, GLib.IO_IN, quit2_)
Gtk.main()
def addClipToLayer(self, layer, asset, start, duration, inpoint):
layer.add_asset(asset, start * Gst.SECOND, 0, duration * Gst.SECOND, asset.get_supported_formats())
def togglePlayback(self, button):
self.pipeline.togglePlayback()
def testTimeline(self, timeline):
timeline.set_easing_duration(600)
Gst.init([])
GES.init()
self.project = GES.Project(uri=None, extractable_type=GES.Timeline)
bTimeline = GES.Timeline()
bTimeline.add_track(GES.Track.audio_raw_new())
bTimeline.add_track(GES.Track.video_raw_new())
self.bTimeline = bTimeline
timeline.setTimeline(bTimeline)
layer = GES.Layer()
bTimeline.add_layer(layer)
self.bTimeline = bTimeline
self.project.connect("asset-added", self._doAssetAddedCb, layer)
self.project.create_asset("file://" + sys.argv[2], GES.UriClip)
# Standalone internal API
def _handle_message(self, bus, message):
if message.type == Gst.MessageType.ELEMENT:
if message.has_name('prepare-window-handle'):
Gdk.threads_enter()
self.sink = message.src
self.sink.set_window_handle(self.viewer.window_xid)
self.sink.expose()
Gdk.threads_leave()
elif message.type == Gst.MessageType.STATE_CHANGED:
prev, new, pending = message.parse_state_changed()
return True
# Standalone callbacks
def _doAssetAddedCb(self, project, asset, layer):
self.addClipToLayer(layer, asset, 2, 10, 5)
self.addClipToLayer(layer, asset, 15, 10, 5)
Zoomable.setZoomLevel(50)