/usr/share/gst-python/0.10/examples/pipeline-tester is in python-gst0.10-dev 0.10.22-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 | #!/usr/bin/env python
#
# gst-python
# Copyright (C) 2005 Andy Wingo <wingo@pobox.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# A test more of gst-plugins than of gst-python.
import sys
import pygtk
pygtk.require('2.0')
import gtk
import gtk.gdk
import pango
import gobject
import pygst
pygst.require('0.10')
import gst
import debugslider
data = (('Video capture via V4L',
'v4lsrc name=source \n'
' ! videorate \n'
' ! ffmpegcolorspace ! autovideosink'),
('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'
' ! ffmpegcolorspace \n'
' ! autovideosink'),
('Sound capture',
'gconfaudiosrc\n'
' ! audio/x-raw-int,rate=22050,depth=16,channels=1,width=16,signed=(boolean)TRUE,endianness=(int)BYTE_ORDER\n'
' ! level message=true\n'
' ! fakesink'),
('Streaming Ogg/Theora+Vorbis playback, tee to disk',
'gnomevfssrc location=http://gstreamer.freedesktop.org/media/small/cooldance.ogg \n'
' ! tee name=tee \n'
' tee. ! oggdemux name=demux \n'
' demux. ! queue ! theoradec ! ffmpegcolorspace ! autovideosink \n'
' demux. ! queue ! vorbisdec ! audioconvert ! autoaudiosink \n'
' tee. ! queue ! filesink location=/tmp/cooldance.ogg'),
('Video test, YUV format',
'videotestsrc \n'
' ! video/x-raw-yuv,format=(fourcc)I420 \n'
' ! ffmpegcolorspace ! autovideosink'),
('Video test, RGB format',
'videotestsrc \n'
' ! video/x-raw-rgb,red_mask=0xff00 \n'
' ! ffmpegcolorspace \n'
' ! autovideosink'),
('Software scaling',
'videotestsrc \n'
' ! video/x-raw-rgb,height=200,width=320 \n'
' ! videoscale method=2 \n'
' ! ffmpegcolorspace ! autovideosink'),
('Reencode Vorbis to mulaw, play',
'filesrc location=/tmp/cooldance.ogg \n'
' ! oggdemux \n'
' ! vorbisdec ! audioconvert \n'
' ! mulawenc ! mulawdec ! autoaudiosink'),
('Capture DV via firewire, transcode into Ogg',
'dv1394src \n'
' ! dvdemux name=demux \n'
' ! queue \n'
' ! video/x-dv,systemstream=(boolean)false \n'
' ! dvdec drop-factor=2 \n'
' ! videorate \n'
' ! videoscale \n'
' ! video/x-raw-yuv,width=360,height=288 \n'
' ! videoscale \n'
' ! video/x-raw-yuv,width=240,height=192,framerate=10.0,format=(fourcc)YUY2 \n'
' ! ffmpegcolorspace \n'
' ! theoraenc \n'
' ! oggmux name=mux \n'
' ! filesink location=/tmp/dv.ogg \n'
' \n'
' demux. \n'
' ! audio/x-raw-int \n'
' ! queue \n'
' ! audioconvert \n'
' ! vorbisenc \n'
' ! mux.'))
def escape(s, chars, escaper='\\'):
for c in chars:
s = s.replace(c, '%s%s' % (escaper, c))
return s
def make_model():
m = gtk.ListStore(str, str)
for pair in data:
i = m.append()
m.set_value(i, 0, pair[0])
m.set_value(i, 1, pair[1])
return m
class Window(gtk.Window):
def __init__(self):
gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
self.playing = False
self.selected_pipe = None
self.pipeline = None
self.prepare_ui()
def prepare_ui(self):
self.set_default_size(300,400)
self.set_title('GStreamer Pipeline Tester')
self.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
self.connect('delete-event', lambda *x: gtk.main_quit())
self.set_border_width(18)
b = gtk.VBox(False, 12)
b.show()
self.add(b)
l = gtk.Label()
l.set_markup('<big><b>GStreamer Pipeline Tester</b></big>')
l.show()
b.pack_start(l, False, False, 6)
l = gtk.Label('Choose a pipeline below to run.')
l.show()
b.pack_start(l, False, False, 0)
sw = gtk.ScrolledWindow()
sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)
sw.set_shadow_type(gtk.SHADOW_IN)
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)
tv.append_column(c)
tv.set_headers_visible(False)
tv.show()
sw.add(tv)
ds = debugslider.DebugSlider()
ds.show()
b.pack_start(ds, False, False, 0)
l = gtk.Label()
l.set_selectable(True)
l.show()
b.pack_start(l, False, False, 0)
bb = gtk.HButtonBox()
bb.set_layout(gtk.BUTTONBOX_SPREAD)
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)
self.button = bu
def on_changed(s):
m, i = s.get_selected()
if m:
self.selected_pipe = m.get_value(i, 1)
pasteable = escape(self.selected_pipe, '\n)(')
l.set_markup('<small><tt>%s</tt></small>' % pasteable)
else:
self.selected_pipe = None
l.set_markup('')
tv.get_selection().connect('changed', on_changed)
tv.connect('row-activated', lambda *x: self.play_toggled())
bu.connect('clicked', lambda *x: 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()
m.destroy()
self.stop()
def on_message(self, bus, message):
t = message.type
print message
if t == gst.MESSAGE_STATE_CHANGED:
pass
elif t == gst.MESSAGE_ERROR:
err, debug = message.parse_error()
self.error("%s" % err, debug)
elif t == gst.MESSAGE_EOS:
self.play_toggled()
else:
print '%s: %s:' % (message.src.get_path_string(),
message.type.value_nicks[1])
if message.structure:
print ' %s' % message.structure.to_string()
else:
print ' (no structure)'
return True
def play(self):
pipestr = self.selected_pipe
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', str(e))
return False
bus = pipeline.get_bus()
bus.add_signal_watch()
watch_id = bus.connect('message', self.on_message)
self.pipeline = pipeline
self.watch_id = watch_id
pipeline.set_state(gst.STATE_PLAYING)
def stop(self):
bus = self.pipeline.get_bus()
bus.disconnect(self.watch_id)
bus.remove_signal_watch()
self.pipeline.set_state(gst.STATE_NULL)
self.pipeline = None
del self.watch_id
def play_toggled(self):
if self.playing:
self.stop()
self.button.set_label(gtk.STOCK_MEDIA_PLAY)
self.playing = False
else:
self.play()
self.playing = True
self.button.set_label(gtk.STOCK_MEDIA_STOP)
if __name__ == '__main__':
w = Window()
w.show()
gtk.main()
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