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authorMaZderMind <git@mazdermind.de>2016-02-02 23:48:03 +0100
committerMaZderMind <git@mazdermind.de>2016-02-02 23:48:03 +0100
commit58d6dadca40827f98976724901715b0362037aa4 (patch)
treea6b8d96dbec5c7bc61b5c6d9b7eee1109e0474e2 /example-scripts/gstreamer
parent6c9a0acc9a0eefa2e8292f3e79baf13f41e9ea3b (diff)
add base for a multi-file streaming script
Diffstat (limited to 'example-scripts/gstreamer')
-rwxr-xr-xexample-scripts/gstreamer/source-nostream-music-from-folder.py87
1 files changed, 87 insertions, 0 deletions
diff --git a/example-scripts/gstreamer/source-nostream-music-from-folder.py b/example-scripts/gstreamer/source-nostream-music-from-folder.py
new file mode 100755
index 0000000..87ca3c7
--- /dev/null
+++ b/example-scripts/gstreamer/source-nostream-music-from-folder.py
@@ -0,0 +1,87 @@
+#!/usr/bin/env python3
+import sys, gi, signal
+
+gi.require_version('Gst', '1.0')
+from gi.repository import Gst, GObject
+
+# init GObject & Co. before importing local classes
+GObject.threads_init()
+Gst.init([])
+
+class LoopSource(object):
+ def __init__(self):
+ pipeline = """
+ audioresample name=join !
+ audioconvert !
+ audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000 !
+ matroskamux !
+ tcpclientsink host=localhost port=18000
+ """
+
+ self.pipeline = Gst.parse_launch(pipeline)
+
+ # https://c3voc.mazdermind.de/testfiles/music-snippets.tar
+
+ self.src = Gst.ElementFactory.make('uridecodebin', None)
+ self.src.set_property('uri', 'file:///home/peter/Music/pieces/001 - Bruno Mars - Grenade.mp3');
+ self.src.connect('pad-added', self.on_pad_added)
+ self.pipeline.add(self.src)
+
+ self.joinpad = self.pipeline.get_by_name('join').get_static_pad('sink')
+
+ # Binding End-of-Stream-Signal on Source-Pipeline
+ self.pipeline.bus.add_signal_watch()
+ self.pipeline.bus.connect("message::eos", self.on_eos)
+ self.pipeline.bus.connect("message::error", self.on_error)
+
+ print("playing")
+ self.pipeline.set_state(Gst.State.PLAYING)
+
+ def on_pad_added(self, src, pad):
+ print('New Pad: '+str(pad))
+ pad.add_probe(Gst.PadProbeType.EVENT_DOWNSTREAM | Gst.PadProbeType.BLOCK, self.on_pad_event)
+ if self.joinpad.is_linked():
+ self.joinpad.unlink(self.joinpad.get_peer())
+ pad.link(self.joinpad)
+
+ def on_pad_event(self, pad, info):
+ event = info.get_event()
+ print('Pad Event: '+str(event.type)+' on Pad '+str(pad))
+ if event.type == Gst.EventType.EOS:
+ print('Is an EOS event, dropping & unlinking')
+ GObject.idle_add(self.next_track)
+ return Gst.PadProbeReturn.DROP
+
+ return Gst.PadProbeReturn.PASS
+
+ def next_track(self):
+ print("next_track")
+ self.src.set_state(Gst.State.READY)
+ self.src.set_property('uri', 'file:///home/peter/Music/pieces/003 - Taio Cruz feat. Kylie Minogue - Higher.mp3');
+ self.src.set_state(Gst.State.PLAYING)
+ return False
+
+ def on_eos(self, bus, message):
+ print('Received EOS-Signal')
+ sys.exit(1)
+
+ def on_error(self, bus, message):
+ print('Received Error-Signal')
+ (error, debug) = message.parse_error()
+ print('Error-Details: #%u: %s' % (error.code, debug))
+ sys.exit(1)
+
+def main():
+ signal.signal(signal.SIGINT, signal.SIG_DFL)
+
+ src = LoopSource()
+
+ mainloop = GObject.MainLoop()
+ try:
+ mainloop.run()
+ except KeyboardInterrupt:
+ print('Terminated via Ctrl-C')
+
+
+if __name__ == '__main__':
+ main()