From 14be298e81954080f089ea219c1b3c687c6def18 Mon Sep 17 00:00:00 2001
From: MaZderMind <peter@mazdermind.de>
Date: Sat, 30 Aug 2014 19:26:54 +0200
Subject: link videomixer via requested ghostpad

---
 voctocore/lib/pipeline.py |  6 ++----
 voctocore/lib/quadmix.py  |  4 ++--
 voctocore/lib/videomix.py | 25 ++++++++++++-------------
 3 files changed, 16 insertions(+), 19 deletions(-)

(limited to 'voctocore/lib')

diff --git a/voctocore/lib/pipeline.py b/voctocore/lib/pipeline.py
index e60c95a..35ecf2a 100644
--- a/voctocore/lib/pipeline.py
+++ b/voctocore/lib/pipeline.py
@@ -59,10 +59,8 @@ class Pipeline(Gst.Pipeline):
 			mixerpad = self.quadmixer.request_mixer_pad()
 			distributor.get_static_pad('src_a').link(mixerpad)
 
-			self.videomixer.add_source(distributor)
-
-			# distributor.link(self.quadmixer)
-			# distributor.link(self.videomixer)
+			mixerpad = self.videomixer.request_mixer_pad()
+			distributor.get_static_pad('src_b').link(mixerpad)
 
 		# for audiosource in Config.getlist('sources', 'audio'):
 		# 	sourcebin = FailsafeShmSrc(os.path.join(socketpath, audiosource))
diff --git a/voctocore/lib/quadmix.py b/voctocore/lib/quadmix.py
index b72e56d..8d69304 100644
--- a/voctocore/lib/quadmix.py
+++ b/voctocore/lib/quadmix.py
@@ -49,7 +49,7 @@ class QuadMix(Gst.Bin):
 		self.mixerpads.append(mixerpad)
 		srcpad.link(mixerpad)
 
-		self.log.info('requested mixerpad %u', len(self.mixerpads) - 1)
+		self.log.info('requested mixerpad %u (named %s)', len(self.mixerpads) - 1, mixerpad.get_name())
 		ghostpad = Gst.GhostPad.new(mixerpad.get_name(), sinkpad)
 		self.add_pad(ghostpad)
 		return ghostpad
@@ -124,7 +124,7 @@ class QuadMix(Gst.Bin):
 				place[0] = 0
 
 	def set_active(self, target):
-		self.log.info('enabling videosource %u, disabling other', target)
+		self.log.info('setting videosource %u active, disabling other', target)
 		for idx, previewbin in enumerate(self.previewbins):
 			previewbin.set_active(target == idx)
 
diff --git a/voctocore/lib/videomix.py b/voctocore/lib/videomix.py
index d32dd90..3f2dd7e 100644
--- a/voctocore/lib/videomix.py
+++ b/voctocore/lib/videomix.py
@@ -6,7 +6,7 @@ from lib.config import Config
 
 class VideoMix(Gst.Bin):
 	log = logging.getLogger('VideoMix')
-	sinkpads = []
+	mixerpads = []
 
 	def __init__(self):
 		super().__init__()
@@ -27,18 +27,17 @@ class VideoMix(Gst.Bin):
 			Gst.GhostPad.new('src', self.conv.get_static_pad('src'))
 		)
 
-	# I don't know how to create a on-request ghost-pad
-	def add_source(self, src):
-		self.log.info('adding source %s', src.get_name())
-		sinkpad = self.mixer.get_request_pad('sink_%u')
-		sinkpad.set_property('alpha', 1)
-		self.sinkpads.append(sinkpad)
+	def request_mixer_pad(self):
+		mixerpad = self.mixer.get_request_pad('sink_%u')
+		self.mixerpads.append(mixerpad)
+		mixerpad.set_property('alpha', 1)
 
-		#srcpad = src.get_compatible_pad(sinkpad, None)
-		#srcpad.link(sinkpad)
-		src.link(self.mixer) # linking ghost pads
+		self.log.info('requested mixerpad %u (named %s)', len(self.mixerpads) - 1, mixerpad.get_name())
+		ghostpad = Gst.GhostPad.new(mixerpad.get_name(), mixerpad)
+		self.add_pad(ghostpad)
+		return ghostpad
 
 	def set_active(self, target):
-		self.log.info('setting source #%u active', target)
-		for idx, sinkpad in enumerate(self.sinkpads):
-			sinkpad.set_property('alpha', int(target == idx))
+		self.log.info('setting videosource %u active, disabling other', target)
+		for idx, mixerpad in enumerate(self.mixerpads):
+			mixerpad.set_property('alpha', int(target == idx))
-- 
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