def on_eos(self):
# let us present a cool save widget
screen = Screen().current
width = screen.get_width()/4
height = screen.get_height()/4
savewindow = SaveWindow(self.temp_file[1], width, height)
savewindow.connect('destroy', self.finished_callback)
savewindow.show()
def start_recording(self, filename = None, settings = None):
"""
mainpipeline is the core pipeline string
save_pipeline is for saving to disk
icecast_pipeline is for sending to an icecast server
"""
screen = Screen().current
width = screen.get_width()
height = screen.get_height()
box_left = 0
box_right = 0
box_top = 0
box_bottom = 0
display_name = screen.get_display().get_name()
screen_number = screen.get_number()
if not settings:
settings = Preferences().Settings
self.video_framerate = settings["video_framerate"]
if self.selector:
area_x1, area_y1, area_x2, area_y2 = self.selector.get_area()
if area_x2 < area_x1:
area_x1, area_x2 = area_x2, area_x1
if area_y2 < area_y1:
area_y1, area_y2 = area_y2, area_y1
width = area_x2 - area_x1 - 1
height = area_y2 - area_y1 - 1
scaling_needed = False
if settings["video_size"] == "half":
width = width / 2
height = height / 2
scaling_needed = True
elif settings["video_size"] == "quarter":
width = width / 4
height = height / 4
scaling_needed = True
if width % 8 > 0:
whatsleft = 8 - width % 8
box_left = int(whatsleft / 2)
box_right = whatsleft - box_left
print "whatsleft %d boxing left wth %d and right with %d" % (whatsleft, box_left,
box_right)
box_left = -box_left
box_right = -box_right
if height % 8 > 0:
whatsleft = 8 - height % 8
box_top = int(whatsleft / 2)
box_bottom = whatsleft - box_top
print "whatsleft %d boxing top wth %d and bottom with %d" % (whatsleft, box_top,
box_bottom)
box_top = -box_top
box_bottom = -box_bottom
videoscale_method = 1
if gst.gst_version >= (0,9):
framerate = '%d/1' % (int(self.video_framerate))
else:
framerate = '%d' % (int(self.video_framerate))
videoscale_method=2
#source = 'ximagesrc'
vsource = 'istximagesrc name=videosource display-name=%s screen-num=%d'\
% (display_name, screen_number)
if self.selector:
vsource = '%s startx=%d starty=%d endx=%d endy=%d '\
% (vsource,
area_x1, area_y1, area_x2-1,
area_y2-1)
if settings["record_3d"]:
vsource = "%s use-damage=false" % vsource
if not settings["record_mousepointer"]:
vsource = "%s show-pointer=false" % vsource
vcappipeline = '%s ! video/x-raw-rgb,framerate=%s ! videorate ! '\
'ffmpegcolorspace' % (vsource,
framerate)
if scaling_needed:
vcappipeline += " ! videoscale method=%d" % (videoscale_method)
acappipeline = ''
asource = ''
if settings["record_sound"]:
if Preferences().has_gconf():
asource = 'gconfaudiosrc name=audiosource'
else:
asource = 'alsasrc name=audiosource'
acappipeline = '%s ! audioconvert ! vorbisenc' % asource
vbox_pipeline = ""
if box_left + box_right + box_bottom + box_top != 0:
vbox_pipeline = \
" ! videobox left=%d right=%d top=%d bottom=%d " % (
box_left, box_right, box_top, box_bottom)
vencode_pipeline = 'video/x-raw-yuv,width=%d,height=%d,framerate=%s %s'\
'! theoraenc quality=63 sharpness=2 ' % (width, height, framerate,
vbox_pipeline)
if settings["record_in_images"]:
vencode_pipeline = 'pngenc snapshot=false'
mux_pipeline = 'multifilesink location="/tmp/blah-%05d"'
else:
if filename:
self.temp_file = (open(filename, 'w'), filename)
else:
self.temp_file = tempfile.mkstemp()
mux_pipeline = 'oggmux name=mux ! filesink location=%s' % (
self.temp_file[1])
if settings["record_sound"]:
final_pipeline = '%s %s ! %s ! queue ! mux. %s ! queue ! mux.' % (
mux_pipeline, vcappipeline, vencode_pipeline, acappipeline)
else:
final_pipeline = '%s ! %s ! %s' % (vcappipeline,
vencode_pipeline, mux_pipeline)
print("DEBUG: final pipeline: %s" % final_pipeline)
self._pipeline = gst.parse_launch(final_pipeline)
self._vsource = self._pipeline.get_by_name("videosource")
if asource != '':
self._asource = self._pipeline.get_by_name("audiosource")
else:
self._asource = None
self._bus = self._pipeline.get_bus()
self._bus.add_signal_watch()
self._bus.connect("message", self.bus_message_cb)
self._pipeline.set_state(gst.STATE_PLAYING)
