From: Antonio Ospite Date: Wed, 17 Sep 2014 20:53:39 +0000 (+0200) Subject: gst-custom-player.py: port to GStreamer 1.0 X-Git-Url: https://git.ao2.it/experiments/gstreamer.git/commitdiff_plain/0653be5412393844df64e3a94556e2e4d8ae3b18?ds=sidebyside gst-custom-player.py: port to GStreamer 1.0 --- diff --git a/python/gst-custom-player.py b/python/gst-custom-player.py index cbeace2..c95434d 100755 --- a/python/gst-custom-player.py +++ b/python/gst-custom-player.py @@ -2,7 +2,7 @@ # Simple media player with GStreamer # -# Copyright (C) 2013 Antonio Ospite +# Copyright (C) 2013-2014 Antonio Ospite # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -24,10 +24,13 @@ import sys import os -import gobject -gobject.threads_init() +import gi +gi.require_version('Gst', '1.0') +from gi.repository import Gst +Gst.init(None) -import gst +from gi.repository import GObject +GObject.threads_init() # The player window will have a fixed width and height. # This is just to demonstrate the use of capabilities. @@ -35,61 +38,65 @@ WIDTH = 640 HEIGHT = 300 -class CustomVideoBin(gst.Bin): +class CustomVideoBin(Gst.Bin): def __init__(self): - gst.Bin.__init__(self, 'CustomVideoBin') + Gst.Bin.__init__(self, 'CustomVideoBin') - queue = gst.element_factory_make('queue', 'vqueue') + queue = Gst.ElementFactory.make('queue', 'vqueue') self.add(queue) - rescale = gst.element_factory_make("videoscale", "rescale") + rescale = Gst.ElementFactory.make("videoscale", "rescale") self.add(rescale) + queue.link(rescale) - caps = gst.Caps("video/x-raw-yuv,format=(fourcc)AYUV,width=%d,height=%d,pixel-aspect-ratio=1/1" % (WIDTH, HEIGHT)) - capsfilter = gst.element_factory_make("capsfilter", "filter") + caps = Gst.Caps("video/x-raw-yuv,format=(fourcc)AYUV,width=%d,height=%d,pixel-aspect-ratio=1/1" % (WIDTH, HEIGHT)) + capsfilter = Gst.ElementFactory.make("capsfilter", "filter") capsfilter.set_property("caps", caps) self.add(capsfilter) + rescale.link(capsfilter) - colorspace = gst.element_factory_make("colorspace", "colorspace") - self.add(colorspace) + videoconvert = Gst.ElementFactory.make("videoconvert", "videoconvert") + self.add(videoconvert) + capsfilter.link(videoconvert) - videosink = gst.element_factory_make("autovideosink", "vidoesink") + videosink = Gst.ElementFactory.make("autovideosink", "vidoesink") self.add(videosink) + videoconvert.link(videosink) - gst.element_link_many(queue, rescale, capsfilter, colorspace, videosink) - sink = queue.get_pad('sink') - self.add_pad(gst.GhostPad('sink', sink)) + sink = queue.get_static_pad('sink') + self.add_pad(Gst.GhostPad('sink', sink)) -class CustomAudioBin(gst.Bin): +class CustomAudioBin(Gst.Bin): def __init__(self): - gst.Bin.__init__(self, 'CustomAudioBin') + Gst.Bin.__init__(self, 'CustomAudioBin') - queue = gst.element_factory_make('queue', 'aqueue') + queue = Gst.ElementFactory.make('queue', 'aqueue') self.add(queue) - audioconvert = gst.element_factory_make("audioconvert", "audioconverter") + audioconvert = Gst.ElementFactory.make("audioconvert", "audioconverter") self.add(audioconvert) + queue.link(audioconvert) - audiosink = gst.element_factory_make("autoaudiosink", "audiosink") + audiosink = Gst.ElementFactory.make("autoaudiosink", "audiosink") self.add(audiosink) + audioconvert.link(audiosink) - gst.element_link_many(queue, audioconvert, audiosink) - sink = queue.get_pad('sink') - self.add_pad(gst.GhostPad('sink', sink)) + sink = queue.get_static_pad('sink') + self.add_pad(Gst.GhostPad('sink', sink)) -class CustomPlayBin(gst.Pipeline): +class CustomPlayBin(Gst.Pipeline): __gproperties__ = { - 'source': (gst.Element, "source", "Source element", gobject.PARAM_READABLE) + 'source': (Gst.Element, "source", "Source element", GObject.PARAM_READABLE) } def __init__(self, uri=None): - gst.Pipeline.__init__(self, 'CustomPlayBin') + Gst.Pipeline.__init__(self, 'CustomPlayBin') self._uri = uri - self._playbin = gst.element_factory_make("playbin2", "playbin") + self._playbin = Gst.ElementFactory.make("playbin", "playbin") self.add(self._playbin) self._playbin.set_property("uri", self._uri) @@ -125,8 +132,7 @@ class GstPlayer: def on_tag(self, bus, msg): print 'on_tag:' taglist = msg.parse_tag() - for key in taglist.keys(): - print '\t%s = %s' % (key, taglist[key]) + print '\t', taglist.to_string() def on_error(self, bus, msg): print 'on_error' @@ -145,13 +151,13 @@ class GstPlayer: self.pipeline.set_uri(location) def play(self): - self.pipeline.set_state(gst.STATE_PLAYING) + self.pipeline.set_state(Gst.State.PLAYING) def pause(self): - self.pipeline.set_state(gst.STATE_PAUSED) + self.pipeline.set_state(Gst.State.PAUSED) def stop(self): - self.pipeline.set_state(gst.STATE_NULL) + self.pipeline.set_state(Gst.State.NULL) class PlayerTUI(): @@ -160,12 +166,12 @@ class PlayerTUI(): self.player = GstPlayer() self.player.eos_cb = self.quit - self.mainloop = gobject.MainLoop() + self.mainloop = GObject.MainLoop() self.player.set_location(location) self.player.play() - gobject.io_add_watch(sys.stdin, gobject.IO_IN, self.on_stdin) + GObject.io_add_watch(sys.stdin, GObject.IO_IN, self.on_stdin) try: self.mainloop.run() @@ -199,11 +205,9 @@ def main(args): 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]) - tui = PlayerTUI(args[1]) + tui = PlayerTUI(uri) if __name__ == '__main__': sys.exit(main(sys.argv))