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- import sys, inspect
- from pprint import pprint
- from gi.repository import GLib, Gst
- class Videomix:
- decoder = []
- mixerpads = []
- def __init__(self):
- self.pipeline = Gst.parse_launch("""
- videomixer name=livevideo ! autovideosink
- input-selector name=liveaudio ! autoaudiosink
-
- uridecodebin name=cam0 uri=file:///home/peter/122.mp4
- uridecodebin name=cam1 uri=file:///home/peter/10025.mp4
-
- cam0. ! videoconvert ! videoscale ! videorate ! video/x-raw,width=1024,height=576,framerate=25/1 ! livevideo.
- cam1. ! videoconvert ! videoscale ! videorate ! video/x-raw,width=1024,height=576,framerate=25/1 ! livevideo.
-
- cam0. ! audioconvert ! liveaudio.
- cam1. ! audioconvert ! liveaudio.
- """)
-
- liveaudio = self.pipeline.get_by_name('liveaudio')
- liveaudio.set_property('active-pad', liveaudio.get_static_pad('sink_0'))
- livevideo = self.pipeline.get_by_name('livevideo')
- pad = livevideo.get_static_pad('sink_1')
- pad.set_property('alpha', 0.5)
- self.pipeline.set_state(Gst.State.PLAYING)
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