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# dleyna-control
#
# Copyright (C) 2012 Intel Corporation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU Lesser General Public License,
# version 2.1, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
#
# Mark Ryan <mark.d.ryan@intel.com>
#
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('Gdk', '3.0')
gi.require_version('Gst', '1.0')
from gi.repository import GLib, Gtk, Gst, Gdk, GdkPixbuf
# For window.get_xid()
from gi.repository import GdkX11
# For xvimagesink.set_window_handle()
from gi.repository import GstVideo
import datetime
from msd_utils import *
class PlayWindowBase(object):
def __init__(self, name, url, close_window):
self.__name = name
self.__url = url
self.__close_window = close_window
self.__container = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self.drawing_area = Gtk.DrawingArea()
self.private_area = Gtk.Box(orientation=Gtk.Orientation.VERTICAL,
homogeneous=True)
self.ok_button = Gtk.Button("Close")
self.ok_button.connect("clicked", self.quit)
self.__container.pack_start(self.drawing_area, True, True, 0)
self.__container.pack_start(self.private_area, False, False, 0)
self.__container.pack_start(self.ok_button, False, False, 0)
def quit(self, button):
self.__close_window()
def get_container(self):
return self.__container
def cancel_playback(self):
pass
def draw_image(self, image, context):
x = 0
y = 0
rect = self.drawing_area.get_allocation()
width_scale = image.get_width() / float(rect.width)
height_scale = image.get_height() / float(rect.height)
if ((width_scale < 1.0 and height_scale < 1.0) or
(width_scale >= 1.0 and height_scale >= 1.0)):
if width_scale < height_scale:
divisor = height_scale
x = (rect.width - int(image.get_width() / divisor)) / 2
else:
divisor = width_scale
y = (rect.height - int(image.get_height() / divisor)) / 2
elif width_scale > 1.0:
divisor = width_scale
y = (rect.height - int(image.get_height() / divisor)) / 2
else:
divisor = height_scale
x = (rect.width - int(image.get_width() / divisor)) / 2
scaled_image = image.scale_simple(int(image.get_width() / divisor),
int(image.get_height() / divisor),
GdkPixbuf.InterpType.BILINEAR)
Gdk.cairo_set_source_pixbuf (context, scaled_image, x, y)
context.paint()
class PlayWindowImage(PlayWindowBase):
def __init__(self, name, url, close_window):
PlayWindowBase.__init__(self, name, url, close_window)
try:
image = image_from_file(url)
self.__image = image.get_pixbuf()
self.drawing_area.connect("draw", self.__draw)
except Exception:
pass
self.get_container().show_all()
def __draw(self, widget, context):
if self.__image:
self.draw_image(self.__image, context)
return True
class GStreamerWindow(PlayWindowBase):
def __init__(self, name, url, close_window):
PlayWindowBase.__init__(self, name, url, close_window)
self.player = Gst.ElementFactory.make("playbin", "player")
gsbus = self.player.get_bus()
gsbus.add_signal_watch()
gsbus.connect("message", self.gs_message_cb)
self.player.set_property("uri", url)
button_bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL,
spacing=6)
align = Gtk.Alignment.new(0.5, 1.0, 0.0, 0.0)
button_bar.pack_start(align, False, False, 0)
self.__play_pause_button = Gtk.Button()
self.__play_pause_button.connect("clicked", self.__play_pause)
self.__play_pause_image = Gtk.Image()
self.__play_pause_image.set_from_stock(Gtk.STOCK_MEDIA_PAUSE,
Gtk.IconSize.BUTTON)
self.__play_pause_button.add(self.__play_pause_image)
align.add(self.__play_pause_button)
self.__scale = Gtk.HScale()
self.__adjustment = Gtk.Adjustment(0, 0, 0,
1.0, 30.0, 1.0)
self.__adjustment.connect("value-changed", self.__adjusted)
self.__scale.set_adjustment(self.__adjustment)
self.__scale.connect("format-value", self.__format_time)
button_bar.pack_end(self.__scale, True, True, 0)
self.private_area.pack_start(button_bar, False, False, 0)
self.get_container().show_all()
self.__update_pos_id = 0
self.__state = Gst.State.NULL
self.player.set_state(Gst.State.PLAYING)
def __play_pause(self, button):
if (self.__state == Gst.State.PLAYING):
self.player.set_state(Gst.State.PAUSED)
else:
self.player.set_state(Gst.State.PLAYING)
def __update_pos(self, user_data=None):
success, pos = self.player.query_position(Gst.Format.TIME)
if success:
pos = pos / 1000000000.0
self.__adjustment.handler_block_by_func(self.__adjusted)
self.__adjustment.set_value(pos)
self.__adjustment.handler_unblock_by_func(self.__adjusted)
return True
def cancel_playback(self):
self.player.set_state(Gst.State.NULL)
def quit(self, button):
self.player.set_state(Gst.State.NULL)
PlayWindowBase.quit(self, button)
def __seek (self, position):
self.player.seek(1.0, Gst.Format.TIME, Gst.SeekFlags.FLUSH,
Gst.SeekType.SET, position,
Gst.SeekType.NONE, -1.0)
def __adjusted(self, adjustment):
self.__seek(adjustment.get_value() * 1000000000.0)
def __format_time(self, scale, value):
pos = int(self.__adjustment.get_value())
return str(datetime.timedelta(seconds=pos))
def __update_ui(self, state):
if self.__state == state:
return
self.__state = state
if (self.__state > Gst.State.NULL and
self.__adjustment.get_upper() == 0.0):
success, duration = self.player.query_duration(Gst.Format.TIME)
if success:
self.__adjustment.set_upper(duration / 1000000000)
if self.__state == Gst.State.PLAYING:
self.__play_pause_image.set_from_stock(Gtk.STOCK_MEDIA_PAUSE,
Gtk.IconSize.BUTTON)
if self.__update_pos_id == 0:
self.__update_pos_id = GLib.timeout_add(500,
self.__update_pos,
None)
else:
self.__play_pause_image.set_from_stock(Gtk.STOCK_MEDIA_PLAY,
Gtk.IconSize.BUTTON)
if self.__update_pos_id != 0:
GLib.source_remove(self.__update_pos_id)
self.__update_pos_id = 0
def gs_message_cb(self, bus, message):
if message.type == Gst.MessageType.EOS or message.type == Gst.MessageType.ERROR:
self.__seek(0)
self.player.set_state(Gst.State.PAUSED)
elif message.type == Gst.MessageType.STATE_CHANGED:
(old, state, pending) = message.parse_state_changed()
self.__update_ui (state)
elif message.type == Gst.MessageType.ASYNC_DONE:
self.__update_pos()
class PlayWindowAudio(GStreamerWindow):
def __init__(self, name, url, album_art_url, close_window):
GStreamerWindow.__init__(self, name, url, close_window)
if album_art_url:
try:
image = image_from_file(album_art_url)
self.__image = image.get_pixbuf()
self.drawing_area.connect("draw", self.__draw)
except Exception:
pass
def __draw(self, widget, context):
if self.__image:
self.draw_image(self.__image, context)
return True
class PlayWindowVideo(GStreamerWindow):
def __on_realize(self, widget):
self.__xid = self.drawing_area.get_property('window').get_xid()
def __init__(self, name, url, close_window):
GStreamerWindow.__init__(self, name, url, close_window)
# get window XID when widget is realized
self.__xid = None
self.drawing_area.connect ("realize", self.__on_realize)
gsbus = self.player.get_bus()
gsbus.enable_sync_message_emission()
gsbus.connect("sync-message::element", self.gs_sync_message_cb)
def gs_sync_message_cb(self, bus, message):
if message.get_structure().get_name() == "prepare-window-handle":
message.src.set_property("force-aspect-ratio", True)
message.src.set_window_handle(self.__xid)
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