mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-05 17:09:48 +00:00
cd7e03d936
Add a straight 1:1 copy from cores' helloworld.c to show how the c api maps into the pythong bindings. It would rock to have the same in other bindings.
54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
#!/usr/bin/env python
|
|
|
|
import sys
|
|
|
|
import gobject
|
|
gobject.threads_init()
|
|
|
|
import pygst
|
|
pygst.require('0.10')
|
|
import gst
|
|
|
|
def bus_call(bus, message, loop):
|
|
t = message.type
|
|
if t == gst.MESSAGE_EOS:
|
|
sys.stout.write("End-of-stream\n")
|
|
loop.quit()
|
|
elif t == gst.MESSAGE_ERROR:
|
|
err, debug = message.parse_error()
|
|
sys.stderr.write("Error: %s: %s\n" % err, debug)
|
|
loop.quit()
|
|
return True
|
|
|
|
def main(args):
|
|
if len(args) != 2:
|
|
sys.stderr.write("usage: %s <media file or uri>\n" % args[0])
|
|
sys.exit(1)
|
|
|
|
playbin = gst.element_factory_make("playbin2", None)
|
|
if not playbin:
|
|
sys.stderr.write("'playbin2' gstreamer plugin missing\n")
|
|
sys.exit(1)
|
|
|
|
# take the commandline argument and ensure that it is a uri
|
|
if gst.uri_is_valid(args[1]):
|
|
uri = args[1]
|
|
else:
|
|
uri = gst.filename_to_uri(args[1])
|
|
playbin.set_property('uri', uri)
|
|
|
|
# create and event loop and feed gstreamer bus mesages to it
|
|
loop = gobject.MainLoop()
|
|
|
|
bus = playbin.get_bus()
|
|
bus.add_watch(bus_call, loop)
|
|
|
|
# start play back and listed to events
|
|
playbin.set_state(gst.STATE_PLAYING)
|
|
loop.run()
|
|
|
|
# cleanup
|
|
playbin.set_state(gst.STATE_NULL)
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(sys.argv))
|