From 7791cf357149e29b279090251ab0769fda9a3fe1 Mon Sep 17 00:00:00 2001 From: Walter Bender Date: Sun, 29 Mar 2009 15:52:58 +0000 Subject: rcenter on start block --- (limited to 'tagplay.py') diff --git a/tagplay.py b/tagplay.py index 9caaea4..3d7bb59 100644 --- a/tagplay.py +++ b/tagplay.py @@ -1,7 +1,32 @@ +#Copyright (c) 2009, Walter Bender (on behalf of Sugar Labs) + +#Permission is hereby granted, free of charge, to any person obtaining a copy +#of this software and associated documentation files (the "Software"), to deal +#in the Software without restriction, including without limitation the rights +#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +#copies of the Software, and to permit persons to whom the Software is +#furnished to do so, subject to the following conditions: + +#The above copyright notice and this permission notice shall be included in +#all copies or substantial portions of the Software. + +#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +#THE SOFTWARE. + +""" +Video and audio playback + +Based on code snippets from +http://wiki.sugarlabs.org/go/Development_Team/Almanac/GStreamer +""" import gtk import pygtk pygtk.require('2.0') -# import sys import pygst pygst.require('0.10') import gst @@ -15,105 +40,99 @@ from talogo import * class Gplay: - def __init__(self): - self.window = None - self.playing = False - - self.player = gst.element_factory_make("playbin", "playbin") - xis = gst.element_factory_make("xvimagesink", "xvimagesink") - self.player.set_property("video-sink", xis) - bus = self.player.get_bus() - bus.enable_sync_message_emission() - bus.add_signal_watch() - self.SYNC_ID = bus.connect('sync-message::element', self._onSyncMessageCb) - - - def _onSyncMessageCb(self, bus, message): - if message.structure is None: - return True - if message.structure.get_name() == 'prepare-xwindow-id': - self.window.set_sink(message.src) - message.src.set_property('force-aspect-ratio', True) - return True - - - def setFile(self, path): - uri = "file://" + str( path ) - if (self.player.get_property('uri') == uri): - self.seek(gst.SECOND*0) - return - - self.player.set_state(gst.STATE_READY) - self.player.set_property('uri', uri) - ext = uri[len(uri)-3:] - if (ext == "jpg"): - self.pause() - else: - self.play() - - - def queryPosition(self): - #"Returns a (position, duration) tuple" - try: - position, format = self.player.query_position(gst.FORMAT_TIME) - except: - position = gst.CLOCK_TIME_NONE - - try: - duration, format = self.player.query_duration(gst.FORMAT_TIME) - except: - duration = gst.CLOCK_TIME_NONE - - return (position, duration) - - - def seek(self, time): - event = gst.event_new_seek(1.0, gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH | \ - gst.SEEK_FLAG_ACCURATE, gst.SEEK_TYPE_SET, time, gst.SEEK_TYPE_NONE, 0) - res = self.player.send_event(event) - if res: - self.player.set_new_stream_time(0L) - - - def pause(self): - self.playing = False - self.player.set_state(gst.STATE_PAUSED) - - - def play(self): - self.playing = True - self.player.set_state(gst.STATE_PLAYING) - - - def stop(self): - self.playing = False - self.player.set_state(gst.STATE_NULL) - # self.nextMovie() - - - def get_state(self, timeout=1): - return self.player.get_state(timeout=timeout) - - - def is_playing(self): - return self.playing + def __init__(self): + self.window = None + self.playing = False + + self.player = gst.element_factory_make("playbin", "playbin") + xis = gst.element_factory_make("xvimagesink", "xvimagesink") + self.player.set_property("video-sink", xis) + bus = self.player.get_bus() + bus.enable_sync_message_emission() + bus.add_signal_watch() + self.SYNC_ID = bus.connect('sync-message::element', \ + self._onSyncMessageCb) + + def _onSyncMessageCb(self, bus, message): + if message.structure is None: + return True + if message.structure.get_name() == 'prepare-xwindow-id': + self.window.set_sink(message.src) + message.src.set_property('force-aspect-ratio', True) + return True + + def setFile(self, path): + uri = "file://" + str( path ) + if (self.player.get_property('uri') == uri): + self.seek(gst.SECOND*0) + return + + self.player.set_state(gst.STATE_READY) + self.player.set_property('uri', uri) + ext = uri[len(uri)-3:] + if (ext == "jpg"): + self.pause() + else: + self.play() + + def queryPosition(self): + #"Returns a (position, duration) tuple" + try: + position, format = self.player.query_position(gst.FORMAT_TIME) + except: + position = gst.CLOCK_TIME_NONE + try: + duration, format = self.player.query_duration(gst.FORMAT_TIME) + except: + duration = gst.CLOCK_TIME_NONE + return (position, duration) + + def seek(self, time): + event = gst.event_new_seek(1.0,\ + gst.FORMAT_TIME,\ + gst.SEEK_FLAG_FLUSH|gst.SEEK_FLAG_ACCURATE,\ + gst.SEEK_TYPE_SET,\ + time,\ + gst.SEEK_TYPE_NONE, 0) + res = self.player.send_event(event) + if res: + self.player.set_new_stream_time(0L) + + def pause(self): + self.playing = False + self.player.set_state(gst.STATE_PAUSED) + + def play(self): + self.playing = True + self.player.set_state(gst.STATE_PLAYING) + + def stop(self): + self.playing = False + self.player.set_state(gst.STATE_NULL) + # self.nextMovie() + + def get_state(self, timeout=1): + return self.player.get_state(timeout=timeout) + + def is_playing(self): + return self.playing class PlayVideoWindow(gtk.Window): - def __init__(self): - gtk.Window.__init__(self) - self.imagesink = None - self.unset_flags(gtk.DOUBLE_BUFFERED) - self.set_flags(gtk.APP_PAINTABLE) + def __init__(self): + gtk.Window.__init__(self) + self.imagesink = None + self.unset_flags(gtk.DOUBLE_BUFFERED) + self.set_flags(gtk.APP_PAINTABLE) - def set_sink(self, sink): - if (self.imagesink != None): - assert self.window.xid - self.imagesink = None - del self.imagesink + def set_sink(self, sink): + if (self.imagesink != None): + assert self.window.xid + self.imagesink = None + del self.imagesink - self.imagesink = sink - self.imagesink.set_xwindow_id(self.window.xid) + self.imagesink = sink + self.imagesink.set_xwindow_id(self.window.xid) def play_audio(lc, audio): print "loading audio id: " + str(audio) @@ -161,11 +180,10 @@ def stop_media(lc): return lc.gplay.stop() if lc.gplay.window != None: - # need to figure out how to destroy the video window -# lc.gplay.window.destroy() -# lc.gplay == None - # but meanwhile, just shrink it + # We need to figure out how to destroy the video window + #lc.gplay.window.destroy() + #lc.gplay == None + + # But meanwhile, just shrink it lc.gplay.window.move( 0, 0 ) lc.gplay.window.resize( 1, 1 ) - 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