X-Git-Url: https://git.ao2.it/experiments/gstreamer.git/blobdiff_plain/fdb241ee7c4929ebc14ec937658bddebbcdb9971..06fbbcb846a06000f216b99d40243f4f973edd4c:/python/gst-trick-mode.py diff --git a/python/gst-trick-mode.py b/python/gst-trick-mode.py index a01daba..833892b 100755 --- a/python/gst-trick-mode.py +++ b/python/gst-trick-mode.py @@ -17,21 +17,34 @@ GObject.threads_init() class Player: - def __init__(self, filename, rate): - self._filename = filename + def __init__(self, uri, rate): self._rate = rate self._player = Gst.ElementFactory.make("playbin", "player") - self._player.set_property("uri", filename) + self._player.set_property("uri", uri) bus = self._player.get_bus() bus.add_signal_watch() + bus.connect('message::eos', self.on_eos) + bus.connect('message::error', self.on_error) bus.connect('message::state-changed', self.on_state_changed) def run(self): self._player.set_state(Gst.State.PLAYING) - loop = GObject.MainLoop() - loop.run() + self.loop = GObject.MainLoop() + self.loop.run() + + def quit(self): + self._player.set_state(Gst.State.NULL) + self.loop.quit() + + def on_eos(self, bus, msg): + self.quit() + + def on_error(self, bus, msg): + (err, debug) = msg.parse_error() + print "Error: %s" % err, debug + self.quit() def on_state_changed(self, bus, msg): if msg.src != self._player: @@ -73,17 +86,16 @@ class Player: def main(args): def usage(): - sys.stdout.write("usage: %s \n" % args[0]) + sys.stdout.write("usage: %s \n" % args[0]) - if len(args) != 2: + if len(args) != 3: usage() sys.exit(1) - if not Gst.uri_is_valid(args[1]): - sys.stderr.write("Error: Invalid URI: %s\n" % args[1]) - sys.exit(1) + uri = Gst.filename_to_uri(args[1]) + rate = float(args[2]) - player = Player(args[1], 3.0) + player = Player(uri, rate) player.run() if __name__ == '__main__':