def _add_video_effects(self):
# Add the effects to the component but don't plug them until we have a
# valid video pad
props = self.config['properties']
is_square = props.get('is-square', False)
add_borders = props.get('add-borders', False)
width = props.get('width', None)
height = props.get('height', None)
# Expressed in ms
interval = props.get('keyunits-interval', 10000) * gst.MSECOND
fr = props.get('framerate', (25, 2))
framerate = gst.Fraction(fr[0], fr[1])
self.vr = videorate.Videorate('videorate', None, self.pipeline,
framerate)
self.addEffect(self.vr)
#self.vr.effectBin.set_state(gst.STATE_PLAYING)
self.debug("Videorate added")
self.videoscaler = videoscale.Videoscale('videoscale', self, None,
self.pipeline, width, height,
is_square, add_borders)
self.addEffect(self.videoscaler)
#self.videoscaler.effectBin.set_state(gst.STATE_PLAYING)
self.debug("Videoscaler added")
self.vkuscheduler = kuscheduler.KeyUnitsScheduler(
'keyunits-scheduler', None, self.pipeline, interval)
self.addEffect(self.vkuscheduler)
self.debug("KeyUnitsScheduler added")
def configure_pipeline(self, pipeline, properties):
self.deintMode = properties.get('deinterlace-mode', "auto")
self.deintMethod = properties.get('deinterlace-method', "ffmpeg")
self.width = properties.get('width', None)
self.height = properties.get('height', None)
self.is_square = properties.get('is-square', False)
fr = properties.get('framerate', None)
self.framerate = None
if fr is not None:
self.framerate = gst.Fraction(fr[0], fr[1])
identity = pipeline.get_by_name("identity")
# Add videorate effect. The videorate is usually decreased, so it's
# usefull to have this effect always first, because it reduces the
# number of frames to process.
vr = videorate.Videorate('videorate', identity.get_pad("src"),
pipeline, self.framerate)
self.addEffect(vr)
vr.plug()
# Add deinterlace effect. Deinterlacing must always be done
# before scaling.
deinterlacer = deinterlace.Deinterlace('deinterlace',
vr.effectBin.get_pad("src"),
pipeline, self.deintMode,
self.deintMethod)
self.addEffect(deinterlacer)
deinterlacer.plug()
# Add videoscale effect
videoscaler = videoscale.Videoscale(
'videoscale', self, deinterlacer.effectBin.get_pad("src"),
pipeline, self.width, self.height, self.is_square)
self.addEffect(videoscaler)
videoscaler.plug()
def _add_video_effects(self, pipeline):
# Add deinterlacer
deinterlacer = deinterlace.Deinterlace(
'deinterlace',
self.get_raw_video_element().get_pad("src"), pipeline,
self.deintMode, self.deintMethod)
self.addEffect(deinterlacer)
deinterlacer.plug()
# Add video rate converter
rateconverter = videorate.Videorate(
'videorate', deinterlacer.effectBin.get_pad("src"), pipeline,
self.framerate)
self.addEffect(rateconverter)
rateconverter.plug()
# Add video scaler
videoscaler = videoscale.Videoscale(
'videoscale', self, rateconverter.effectBin.get_pad("src"),
pipeline, self.width, self.height, self.is_square,
self.add_borders)
self.addEffect(videoscaler)
videoscaler.plug()
# Add key units scheduler
scheduler = kuscheduler.KeyUnitsScheduler(
'video-kuscheduler', videoscaler.effectBin.get_pad("src"),
pipeline, self.kuinterval)
self.addEffect(scheduler)
scheduler.plug()
def configure_pipeline(self, pipeline, properties):
self.volume = pipeline.get_by_name("setvolume")
from flumotion.component.effects.volume import volume
comp_level = pipeline.get_by_name('volumelevel')
vol = volume.Volume('inputVolume', comp_level, pipeline)
# catch bus message for when camera disappears
bus = pipeline.get_bus()
bus.add_signal_watch()
bus.connect('message::element', self._bus_message_received_cb)
self.addEffect(vol)
decoder = pipeline.get_by_name("decoder")
if gstreamer.element_has_property(decoder, 'drop-factor'):
if self.framerate:
framerate = float(self.framerate.num / self.framerate.denom)
if 12.5 < framerate:
drop_factor = 1
elif 6.3 < framerate <= 12.5:
drop_factor = 2
elif 3.2 < framerate <= 6.3:
drop_factor = 4
elif framerate <= 3.2:
drop_factor = 8
else:
drop_factor = 1
decoder.set_property('drop-factor', drop_factor)
vr = videorate.Videorate('videorate',
decoder.get_pad("src"), pipeline, self.framerate)
self.addEffect(vr)
vr.plug()
deinterlacer = deinterlace.Deinterlace('deinterlace',
vr.effectBin.get_pad("src"), pipeline,
self.deintMode, self.deintMethod)
self.addEffect(deinterlacer)
deinterlacer.plug()
videoscaler = videoscale.Videoscale('videoscale', self,
deinterlacer.effectBin.get_pad("src"), pipeline,
self.width, self.height, self.is_square, self.add_borders)
self.addEffect(videoscaler)
videoscaler.plug()
# Setting a tolerance of 20ms should be enough (1/2 frame), but
# we set it to 40ms to be more conservatives
ar = audioconvert.Audioconvert('audioconvert',
comp_level.get_pad("src"),
pipeline, tolerance=40 * gst.MSECOND)
self.addEffect(ar)
ar.plug()
def configure_pipeline(self, pipeline, properties):
video = pipeline.get_by_name('video')
vr = videorate.Videorate('videorate', video.get_pad("src"), pipeline,
self.framerate)
self.addEffect(vr)
vr.plug()
deinterlacer = deinterlace.Deinterlace('deinterlace',
vr.effectBin.get_pad("src"),
pipeline, self.deintMode,
self.deintMethod)
self.addEffect(deinterlacer)
deinterlacer.plug()
videoscaler = videoscale.Videoscale(
'videoscale', self, deinterlacer.effectBin.get_pad("src"),
pipeline, self.width, self.height, self.is_square,
self.add_borders)
self.addEffect(videoscaler)
videoscaler.plug()