implement audioselector, videopreviews and composition-toolbar

1 files changed, 86 insertions, 0 deletions

diff --git a/voctogui/lib/videopreviews.py b/voctogui/lib/videopreviews.py
new file mode 100644
index 0000000..d6a18ec
--- /dev/null
+++ b/voctogui/lib/videopreviews.py
@@ -0,0 +1,86 @@
+import logging
+from gi.repository import Gst, Gtk
+
+from lib.videodisplay import VideoDisplay
+
+class VideoPreviewsController(object):
+	""" Displays Video-Previews and selection Buttons for them """
+
+	def __init__(self, drawing_area, win, uibuilder):
+		self.log = logging.getLogger('VideoPreviewsController')
+
+		self.drawing_area = drawing_area
+		self.win = win
+
+		self.sources = ['cam1', 'cam2', 'grabber']
+		self.preview_players = {}
+		self.previews = {}
+
+		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()
+		win.add_accel_group(accelerators)
+
+		group_a = None
+		group_b = None
+
+		for idx, source in enumerate(self.sources):
+			self.log.info('Initializing Video Preview %s', source)
+
+			preview = uibuilder.get_check_widget('widget_preview', clone=True)
+			video = uibuilder.find_widget_recursive(preview, 'video')
+
+			video.set_size_request(width, height)
+			drawing_area.pack_start(preview, fill=False, expand=False, padding=0)
+
+			player = VideoDisplay(video, port=13000 + idx)
+
+			uibuilder.find_widget_recursive(preview, 'label').set_label(source)
+			btn_a = uibuilder.find_widget_recursive(preview, 'btn_a')
+			btn_b = uibuilder.find_widget_recursive(preview, 'btn_b')
+
+			btn_a.set_name("%c %u" % ('a', idx))
+			btn_b.set_name("%c %u" % ('b', idx))
+
+			if not group_a:
+				group_a = btn_a
+			else:
+				btn_a.join_group(group_a)
+
+
+			if not group_b:
+				group_b = btn_b
+			else:
+				btn_b.join_group(group_b)
+
+
+			btn_a.connect('toggled', self.btn_toggled)
+			btn_b.connect('toggled', self.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 btn_toggled(self, btn):
+		if not btn.get_active():
+			return
+
+		self.log.info('btn_toggled: %s', btn.get_name())