- #!/usr/bin/python3
- import gi, logging
- from gi.repository import Gtk, Gst, Gdk, GLib
- from lib.config import Config
- from lib.uibuilder import UiBuilder
- from lib.videodisplay import VideoDisplay
- class Ui(UiBuilder):
- def __init__(self, uifile):
- self.log = logging.getLogger('Ui')
- super().__init__(uifile)
- def setup(self):
- self.log.info('Initializing Ui')
- # Aquire the Main-Window from the UI-File
- self.win = self.get_check_widget('window')
- # Connect Close-Handler
- self.win.connect('delete-event', Gtk.main_quit)
- self.previews = {}
- self.preview_players = {}
- self.configure_toolbar_accelerators()
- self.configure_video_main()
- self.configure_video_previews()
- self.configure_audio_selector()
- self.configure_streamblank_selector()
- def configure_toolbar_accelerators(self):
- accelerators = Gtk.AccelGroup()
- self.win.add_accel_group(accelerators)
- composites = [
- 'composite-fullscreen',
- 'composite-picture-in-picture',
- 'composite-side-by-side-equal',
- 'composite-side-by-side-preview'
- ]
- for idx, name in enumerate(composites):
- key, mod = Gtk.accelerator_parse('F%u' % (idx+1))
- btn = self.find_widget_recursive(self.win, name)
- btn.set_name(name)
- # Thanks to http://stackoverflow.com/a/19739855/1659732
- btn.get_child().add_accelerator('clicked', accelerators, key, mod, Gtk.AccelFlags.VISIBLE)
- btn.connect('toggled', self.composite_btn_toggled)
- def composite_btn_toggled(self, btn):
- if not btn.get_active():
- return
- self.log.info("composite_btn_toggled: %s", btn.get_name())
- def configure_video_main(self):
- self.log.info('Initializing Main Video and Main Audio-Level View')
- video = self.find_widget_recursive(self.win, 'video_main')
- audiolevel = self.find_widget_recursive(self.win, 'audiolevel_main')
- self.video_main_player = VideoDisplay(11000, video, audiolevel,
- playaudio=Config.getboolean('mainvideo', 'playaudio'))
- def configure_video_previews(self):
- self.log.info('Initializing Video Previews')
- sources = ['cam1', 'cam2', 'grabber']
- box = self.find_widget_recursive(self.win, 'box_left')
- try:
- width = Config.getint('previews', 'width')
- self.log.debug('Preview-Width configured to %u', width)
- except:
- width = 320
- self.log.debug('Preview-Width selected as %u', width)
- try:
- height = Config.getint('previews', 'height')
- self.log.debug('Preview-Height configured to %u', width)
- except:
- height = width*9/16
- self.log.debug('Preview-Height calculated to %u', width)
- # Accelerators
- accelerators = Gtk.AccelGroup()
- self.win.add_accel_group(accelerators)
- for idx, source in enumerate(sources):
- self.log.info('Initializing Video Preview %s', source)
- preview = self.get_check_widget('widget_preview', clone=True)
- video = self.find_widget_recursive(preview, 'video')
- video.set_size_request(width, height)
- box.pack_start(preview, fill=False, expand=False, padding=0)
- player = VideoDisplay(13000 + idx, video)
- self.find_widget_recursive(preview, 'label').set_label(source)
- btn_a = self.find_widget_recursive(preview, 'btn_a')
- btn_b = self.find_widget_recursive(preview, 'btn_b')
- btn_a.connect('toggled', self.preview_btn_toggled)
- btn_b.connect('toggled', self.preview_btn_toggled)
- key, mod = Gtk.accelerator_parse('%u' % (idx+1))
- btn_a.add_accelerator('activate', accelerators, key, mod, Gtk.AccelFlags.VISIBLE)
- key, mod = Gtk.accelerator_parse('<Ctrl>%u' % (idx+1))
- btn_b.add_accelerator('activate', accelerators, key, mod, Gtk.AccelFlags.VISIBLE)
- self.preview_players[source] = player
- self.previews[source] = preview
- def preview_btn_toggled(self, btn):
- self.log.info('preview_btn_toggled')
- def configure_audio_selector(self):
- self.log.info('Initializing Audio Selector')
- combo = self.find_widget_recursive(self.win, 'combo_audio')
- combo.set_sensitive(True)
- # FIXME access via combo_audio?
- liststore = self.get_check_widget('liststore_audio')
- liststore.clear()
- row = liststore.append()
- liststore.set(row, [0], ['foobar'])
- row = liststore.append('')
- liststore.set(row, [0], ['moofar'])
- combo.set_active_id('moofar')
- def configure_streamblank_selector(self):
- livebtn = self.get_check_widget('stream_live')
- blankbtn = self.get_check_widget('stream_blank')
- toolbar = blankbtn.get_parent()
- pos = toolbar.get_item_index(blankbtn)
- self.blink_btn = None
- self.blink_btn_state = False
- livebtn.connect('toggled', self.streamblank_button_toggled)
- livebtn.set_name('live')
- GLib.timeout_add_seconds(1, self.blink_streamblank_button)
- for idx, name in enumerate(['pause', 'nostream']):
- if idx == 0:
- new_btn = blankbtn
- else:
- new_icon = Gtk.Image.new_from_pixbuf(blankbtn.get_icon_widget().get_pixbuf())
- new_btn = Gtk.RadioToolButton(group=livebtn)
- new_btn.set_icon_widget(new_icon)
- toolbar.insert(new_btn, pos+1)
- new_btn.set_label("Stream %s" % name)
- new_btn.connect('toggled', self.streamblank_button_toggled)
- new_btn.set_name(name)
- def blink_streamblank_button(self):
- self.blink_btn_state = not self.blink_btn_state
- if self.blink_btn:
- self.blink_btn.get_icon_widget().override_background_color(
- Gtk.StateType.NORMAL,
- Gdk.RGBA(1.0, 0.0, 0.0, 1.0 if self.blink_btn_state else 0.0))
- return True
- def streamblank_button_toggled(self, btn):
- btn.get_icon_widget().override_background_color(
- Gtk.StateType.NORMAL,
- Gdk.RGBA(1.0, 0.0, 0.0, 0.0))
- if not btn.get_active():
- return
- if btn.get_name() != 'live':
- self.blink_btn = btn
- self.blink_btn_state = False
- else:
- self.blink_btn = None
- def show(self):
- self.log.info('Running Video-Playback Pipelines')
- self.video_main_player.run()
- for name, player in self.preview_players.items():
- player.run()
- self.log.info('Showing Main-Window')
- self.win.show_all()
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