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examples/pipeline-tester: Tweaks, show messages.

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Original commit message from CVS:
2005-07-13  Andy Wingo  <wingo@pobox.com>

* examples/pipeline-tester: Tweaks, show messages.
This commit is contained in:
Andy Wingo 2005-07-13 10:03:04 +00:00
parent 9b74a9033a
commit d32e28af85
2 changed files with 50 additions and 3 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2005-07-13 Andy Wingo <wingo@pobox.com>
* examples/pipeline-tester: Tweaks, show messages.
2005-07-12 Edward Hervey <edward@fluendo.com>
* gst/gst.override:

49
examples/pipeline-tester
View file

@ -29,6 +29,7 @@ pygtk.require('2.0')
import gtk
import gtk.gdk
import pango
import gobject
import pygst
pygst.require('0.9')
@ -40,11 +41,16 @@ data = (('Video capture via V4L',
' ! video/x-raw-yuv,format=(fourcc)I420 \n'
' ! videorate \n'
' ! xvimagesink'),
('Video capture via V4L, fixed frame rate',
'v4lsrc name=source autoprobe=false autoprobe-fps=false \n'
' ! video/x-raw-yuv,format=(fourcc)I420,framerate=(double)7.5 \n'
' ! videorate \n'
' ! xvimagesink'),
('Sound capture via ALSA',
'alsasrc\n'
' ! audio/x-raw-int,rate=22050,depth=16,channels=1,width=16,signed=(boolean)TRUE,endianness=1234\n'
' ! level signal=true\n'
' ! alsasink'))
' ! fakesink'))
def escape(s, chars, escaper='\\'):
@ -92,6 +98,7 @@ class Window(gtk.Window):
sw.show()
b.pack_start(sw, True, True, 6)
tv = gtk.TreeView(make_model())
tv.set_property('can-default', False)
r = gtk.CellRendererText()
r.set_property('xalign', 0.5)
c = gtk.TreeViewColumn('System', r, text=0)
@ -108,9 +115,11 @@ class Window(gtk.Window):
bb.show()
b.pack_start(bb, False, False, 0)
bu = gtk.Button(stock=gtk.STOCK_MEDIA_PLAY)
bu.set_property('can-default', True)
bu.set_focus_on_click(False)
bu.show()
bb.pack_start(bu, True, False, 0)
bu.set_property('has-default', True)
def on_changed(s):
m, i = s.get_selected()
@ -123,21 +132,55 @@ class Window(gtk.Window):
l.set_markup('')
tv.get_selection().connect('changed', on_changed)
tv.connect('row-activated', lambda *x: self.play_toggled(bu))
bu.connect('clicked', self.play_toggled)
def error(self, message, secondary=None):
m = gtk.MessageDialog(self,
gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_OK,
message)
if secondary:
m.format_secondary_text(secondary)
m.run()
def on_message(self, bus, message):
t = message.type
if t == gst.MESSAGE_STATE_CHANGED:
pass
else:
print '%s: %s:' % (message.src.get_path_string(),
message.type.value_nicks[1])
print ' %s' % message.structure.to_string()
return True
def play(self):
pipestr = self.selected_pipe
pipeline = gst.parse_launch(pipestr)
try:
self.set_sensitive(False)
pipeline = gst.parse_launch(pipestr)
self.set_sensitive(True)
except gobject.GError, e:
self.set_sensitive(True)
self.error('Could not create pipeline', e.__str__)
return False
watch_id = pipeline.get_bus().add_watch(self.on_message)
if pipeline.set_state(gst.STATE_PLAYING) != gst.STATE_SUCCESS:
print 'state change failed'
pipeline.set_state(gst.STATE_NULL)
gobject.source_remove(watch_id)
return False
else:
self.pipeline = pipeline
self.watch_id = watch_id
return True
def stop(self):
self.pipeline.set_state(gst.STATE_NULL)
self.pipeline = None
gobject.source_remove(self.watch_id)
del self.watch_id
def play_toggled(self, button):
if self.playing: