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Diffstat (limited to 'glivex.py')
| -rw-r--r-- | glivex.py | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/glivex.py b/glivex.py deleted file mode 100644 index d28996e..0000000 --- a/glivex.py +++ /dev/null @@ -1,144 +0,0 @@ -#Copyright (c) 2008, Media Modifications Ltd. - -#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. - -# This class is a cut-down version of glive which uses an ximagesink -# rather than an xvimagesink. This is used in video playback mode, where -# our only Xv port is used for Theora playback. -# -# I tried to modify the glive pipeline to allow swapping an xvimagesink for -# an ximagesink and vice-versa, but that didn't work out (all kinds of strange -# behaviour, perhaps a gstreamer bug). So we resort to using a separate -# pipeline - ugly, but it works... - -import os -import gtk -import pygtk -pygtk.require('2.0') -import sys -import gst -import gst.interfaces -import pygst -pygst.require('0.10') -import time -import threading -import gobject -gobject.threads_init() - -from instance import Instance -from constants import Constants -import record -import utils -import ui - -class GliveX: - def __init__(self, pca): - self.window = None - self.ca = pca - - self.playing = False - - self.pipeline = gst.Pipeline("slow-pipeline") - self.createPipeline() - - bus = self.pipeline.get_bus() - bus.enable_sync_message_emission() - bus.add_signal_watch() - self.SYNC_ID = bus.connect('sync-message::element', self._onSyncMessageCb) - self.MESSAGE_ID = bus.connect('message', self._onMessageCb) - - def createPipeline ( self ): - src = gst.element_factory_make("v4l2src", "camsrc") - try: - # old gst-plugins-good does not have this property - src.set_property("queue-size", 2) - except: - pass - - queue = gst.element_factory_make("queue", "dispqueue") - scale = gst.element_factory_make("videoscale", "scale") - scalecaps = gst.Caps('video/x-raw-yuv,width='+str(ui.UI.dim_PIPW)+',height='+str(ui.UI.dim_PIPH)) - colorspace = gst.element_factory_make("ffmpegcolorspace", "colorspace") - xsink = gst.element_factory_make("ximagesink", "xsink") - self.pipeline.add(src, queue, scale, colorspace, xsink) - gst.element_link_many(src, queue, scale) - scale.link(colorspace, scalecaps) - colorspace.link(xsink) - - def play(self): - self.pipeline.set_state(gst.STATE_PLAYING) - self.playing = True - - def pause(self): - self.pipeline.set_state(gst.STATE_PAUSED) - self.playing = False - - def stop(self): - self.pipeline.set_state(gst.STATE_NULL) - self.playing = False - - def is_playing(self): - return self.playing - - def idlePlayElement(self, element): - element.set_state(gst.STATE_PLAYING) - return False - - def _onSyncMessageCb(self, bus, message): - if message.structure is None: - return - if message.structure.get_name() == 'prepare-xwindow-id': - self.window.set_sink(message.src) - message.src.set_property('force-aspect-ratio', True) - - def _onMessageCb(self, bus, message): - t = message.type - if t == gst.MESSAGE_EOS: - #print("MESSAGE_EOS") - pass - elif t == gst.MESSAGE_ERROR: - #todo: if we come out of suspend/resume with errors, then get us back up and running... - #todo: handle "No space left on the resource.gstfilesink.c" - #err, debug = message.parse_error() - pass - -class SlowLiveVideoWindow(gtk.Window): - def __init__(self, bgd ): - gtk.Window.__init__(self) - - self.imagesink = None - self.glivex = None - - self.modify_bg( gtk.STATE_NORMAL, bgd ) - self.modify_bg( gtk.STATE_INSENSITIVE, bgd ) - self.unset_flags(gtk.DOUBLE_BUFFERED) - self.set_flags(gtk.APP_PAINTABLE) - - def set_glivex(self, pglivex): - self.glivex = pglivex - self.glivex.window = self - - 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) |