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path: root/voctocore/lib/avrawoutput.py
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  1. #!/usr/bin/python3
  2. import logging
  3. from gi.repository import Gst
  4. from lib.config import Config
  5. from lib.tcpmulticonnection import TCPMultiConnection
  6. class AVRawOutput(TCPMultiConnection):
  7. def __init__(self, channel, port):
  8. self.log = logging.getLogger('AVRawOutput['+channel+']')
  9. super().__init__(port)
  10. self.channel = channel
  11. pipeline = """
  12. interaudiosrc channel=audio_{channel} !
  13. {acaps} !
  14. queue !
  15. mux.
  16. intervideosrc channel=video_{channel} !
  17. {vcaps} !
  18. queue !
  19. mux.
  20. matroskamux
  21. name=mux
  22. streamable=true
  23. writing-app=Voctomix-AVRawOutput !
  24. multifdsink
  25. sync-method=next-keyframe
  26. name=fd
  27. """.format(
  28. channel=self.channel,
  29. acaps=Config.get('mix', 'audiocaps'),
  30. vcaps=Config.get('mix', 'videocaps')
  31. )
  32. self.log.debug('Creating Output-Pipeline:\n%s', pipeline)
  33. self.outputPipeline = Gst.parse_launch(pipeline)
  34. self.log.debug('Binding Error & End-of-Stream-Signal on Output-Pipeline')
  35. self.outputPipeline.bus.add_signal_watch()
  36. self.outputPipeline.bus.connect("message::eos", self.on_eos)
  37. self.outputPipeline.bus.connect("message::error", self.on_error)
  38. self.log.debug('Launching Output-Pipeline')
  39. self.outputPipeline.set_state(Gst.State.PLAYING)
  40. def on_accepted(self, conn, addr):
  41. self.log.debug('Adding fd %u to multifdsink', conn.fileno())
  42. fdsink = self.outputPipeline.get_by_name('fd')
  43. fdsink.emit('add', conn.fileno())
  44. def on_disconnect(multifdsink, fileno):
  45. if fileno == conn.fileno():
  46. self.log.debug('fd %u removed from multifdsink', fileno)
  47. self.close_connection(conn)
  48. fdsink.connect('client-fd-removed', on_disconnect)
  49. def on_eos(self, bus, message):
  50. self.log.debug('Received End-of-Stream-Signal on Output-Pipeline')
  51. def on_error(self, bus, message):
  52. self.log.debug('Received Error-Signal on Output-Pipeline')
  53. (error, debug) = message.parse_error()
  54. self.log.debug('Error-Details: #%u: %s', error.code, debug)