summaryrefslogtreecommitdiff
path: root/voctocore/lib/streamblanker.py
diff options
context:
space:
mode:
authorMaZderMind <git@mazdermind.de>2016-09-26 20:42:07 +0200
committerMaZderMind <git@mazdermind.de>2016-09-26 20:42:07 +0200
commit6e846c7081e242213cd70ceacfcff319e221942c (patch)
tree9d037e9272e65aea06c74775b2af1eae2f50a46e /voctocore/lib/streamblanker.py
parentfbcbc3743e9179738244a96be54aa588e44314cb (diff)
parent1972da7f6aa60d3cb3b68808d0381e37898665f3 (diff)
Merge branch 'pep8'
Diffstat (limited to 'voctocore/lib/streamblanker.py')
-rw-r--r--voctocore/lib/streamblanker.py193
1 files changed, 100 insertions, 93 deletions
diff --git a/voctocore/lib/streamblanker.py b/voctocore/lib/streamblanker.py
index fea3d6a..67af0cd 100644
--- a/voctocore/lib/streamblanker.py
+++ b/voctocore/lib/streamblanker.py
@@ -5,97 +5,104 @@ from enum import Enum
from lib.config import Config
from lib.clock import Clock
-class StreamBlanker(object):
- log = logging.getLogger('StreamBlanker')
-
- def __init__(self):
- self.acaps = Config.get('mix', 'audiocaps')
- self.vcaps = Config.get('mix', 'videocaps')
-
- self.names = Config.getlist('stream-blanker', 'sources')
- self.log.info('Configuring StreamBlanker video %u Sources', len(self.names))
-
- pipeline = """
- compositor name=vmix !
- {vcaps} !
- intervideosink channel=video_streamblanker_out
-
- audiomixer name=amix !
- {acaps} !
- interaudiosink channel=audio_streamblanker_out
-
-
- intervideosrc channel=video_mix_streamblanker !
- {vcaps} !
- vmix.
-
- interaudiosrc channel=audio_mix_streamblanker !
- {acaps} !
- amix.
-
-
- interaudiosrc channel=audio_streamblanker !
- {acaps} !
- amix.
- """.format(
- acaps=self.acaps,
- vcaps=self.vcaps
- )
-
- for name in self.names:
- pipeline += """
- intervideosrc channel=video_{name}_streamblanker !
- {vcaps} !
- vmix.
- """.format(
- name=name,
- vcaps=self.vcaps
- )
-
- self.log.debug('Creating Mixing-Pipeline:\n%s', pipeline)
- self.mixingPipeline = Gst.parse_launch(pipeline)
- self.mixingPipeline.use_clock(Clock)
- self.log.debug('Binding Error & End-of-Stream-Signal on Mixing-Pipeline')
- self.mixingPipeline.bus.add_signal_watch()
- self.mixingPipeline.bus.connect("message::eos", self.on_eos)
- self.mixingPipeline.bus.connect("message::error", self.on_error)
-
- self.log.debug('Initializing Mixer-State')
- self.blankSource = None
- self.applyMixerState()
-
- self.log.debug('Launching Mixing-Pipeline')
- self.mixingPipeline.set_state(Gst.State.PLAYING)
-
- def on_eos(self, bus, message):
- self.log.debug('Received End-of-Stream-Signal on Mixing-Pipeline')
-
- def on_error(self, bus, message):
- self.log.debug('Received Error-Signal on Mixing-Pipeline')
- (error, debug) = message.parse_error()
- self.log.debug('Error-Details: #%u: %s', error.code, debug)
-
-
- def applyMixerState(self):
- self.applyMixerStateAudio()
- self.applyMixerStateVideo()
-
- def applyMixerStateAudio(self):
- mixpad = self.mixingPipeline.get_by_name('amix').get_static_pad('sink_0')
- blankpad = self.mixingPipeline.get_by_name('amix').get_static_pad('sink_1')
-
- mixpad.set_property('volume', int(self.blankSource is None))
- blankpad.set_property('volume', int(self.blankSource is not None))
-
- def applyMixerStateVideo(self):
- mixpad = self.mixingPipeline.get_by_name('vmix').get_static_pad('sink_0')
- mixpad.set_property('alpha', int(self.blankSource is None))
-
- for idx, name in enumerate(self.names):
- blankpad = self.mixingPipeline.get_by_name('vmix').get_static_pad('sink_%u' % (idx+1))
- blankpad.set_property('alpha', int(self.blankSource == idx))
-
- def setBlankSource(self, source):
- self.blankSource = source
- self.applyMixerState()
+class StreamBlanker(object):
+ log = logging.getLogger('StreamBlanker')
+
+ def __init__(self):
+ self.acaps = Config.get('mix', 'audiocaps')
+ self.vcaps = Config.get('mix', 'videocaps')
+
+ self.names = Config.getlist('stream-blanker', 'sources')
+ self.log.info('Configuring StreamBlanker video %u Sources',
+ len(self.names))
+
+ pipeline = """
+ compositor name=vmix !
+ {vcaps} !
+ intervideosink channel=video_streamblanker_out
+
+ audiomixer name=amix !
+ {acaps} !
+ interaudiosink channel=audio_streamblanker_out
+
+
+ intervideosrc channel=video_mix_streamblanker !
+ {vcaps} !
+ vmix.
+
+ interaudiosrc channel=audio_mix_streamblanker !
+ {acaps} !
+ amix.
+
+
+ interaudiosrc channel=audio_streamblanker !
+ {acaps} !
+ amix.
+ """.format(
+ acaps=self.acaps,
+ vcaps=self.vcaps
+ )
+
+ for name in self.names:
+ pipeline += """
+ intervideosrc channel=video_{name}_streamblanker !
+ {vcaps} !
+ vmix.
+ """.format(
+ name=name,
+ vcaps=self.vcaps
+ )
+
+ self.log.debug('Creating Mixing-Pipeline:\n%s', pipeline)
+ self.mixingPipeline = Gst.parse_launch(pipeline)
+ self.mixingPipeline.use_clock(Clock)
+
+ self.log.debug('Binding Error & End-of-Stream-Signal '
+ 'on Mixing-Pipeline')
+ self.mixingPipeline.bus.add_signal_watch()
+ self.mixingPipeline.bus.connect("message::eos", self.on_eos)
+ self.mixingPipeline.bus.connect("message::error", self.on_error)
+
+ self.log.debug('Initializing Mixer-State')
+ self.blankSource = None
+ self.applyMixerState()
+
+ self.log.debug('Launching Mixing-Pipeline')
+ self.mixingPipeline.set_state(Gst.State.PLAYING)
+
+ def on_eos(self, bus, message):
+ self.log.debug('Received End-of-Stream-Signal on Mixing-Pipeline')
+
+ def on_error(self, bus, message):
+ self.log.debug('Received Error-Signal on Mixing-Pipeline')
+ (error, debug) = message.parse_error()
+ self.log.debug('Error-Details: #%u: %s', error.code, debug)
+
+ def applyMixerState(self):
+ self.applyMixerStateAudio()
+ self.applyMixerStateVideo()
+
+ def applyMixerStateAudio(self):
+ mixpad = (self.mixingPipeline.get_by_name('amix')
+ .get_static_pad('sink_0'))
+ blankpad = (self.mixingPipeline.get_by_name('amix')
+ .get_static_pad('sink_1'))
+
+ mixpad.set_property('volume', int(self.blankSource is None))
+ blankpad.set_property('volume', int(self.blankSource is not None))
+
+ def applyMixerStateVideo(self):
+ mixpad = (self.mixingPipeline.get_by_name('vmix')
+ .get_static_pad('sink_0'))
+ mixpad.set_property('alpha', int(self.blankSource is None))
+
+ for idx, name in enumerate(self.names):
+ blankpad = (self.mixingPipeline
+ .get_by_name('vmix')
+ .get_static_pad('sink_%u' % (idx + 1)))
+ blankpad.set_property('alpha', int(self.blankSource == idx))
+
+ def setBlankSource(self, source):
+ self.blankSource = source
+ self.applyMixerState()