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examples/play.py (GstPlayer.query_position)

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Original commit message from CVS:
2006-02-10  Andy Wingo  <wingo@pobox.com>

* examples/play.py (GstPlayer.query_position)
(PlayerWindow.update_scale_cb): Only return position, duration
from query_position -- fixes a bugaboo.
(main): Add some input validation.

* examples/pipeline-tester (data): Add a pipeline to test software
scaling.
This commit is contained in:
Andy Wingo 2006-02-10 10:53:22 +00:00
parent e11b1fcafa
commit 44a2c63fc6
3 changed files with 32 additions and 8 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2006-02-10 Andy Wingo <wingo@pobox.com>
* examples/play.py (GstPlayer.query_position)
(PlayerWindow.update_scale_cb): Only return position, duration
from query_position -- fixes a bugaboo.
(main): Add some input validation.
* examples/pipeline-tester (data): Add a pipeline to test software
scaling.
2006-02-07 Edward Hervey <edward@fluendo.com>
* gst/gst.override:

6
examples/pipeline-tester
View file

@ -67,6 +67,12 @@ data = (('Video capture via V4L',
('Video test, RGB format',
'videotestsrc \n'
' ! video/x-raw-rgb,red_mask=0xff00 \n'
' ! ffmpegcolorspace \n'
' ! ximagesink'),
('Software scaling',
'videotestsrc \n'
' ! video/x-raw-rgb,height=200,width=320 \n'
' ! videoscale method=2 \n'
' ! ximagesink'),
('Reencode Vorbis to mulaw, play via ALSA',
'filesrc location=cooldance.ogg \n'

24
examples/play.py
View file

@ -29,20 +29,16 @@ class GstPlayer:
def query_position(self):
"Returns a (position, duration) tuple"
try:
ret = self.player.query_position(gst.FORMAT_TIME)
position, format = self.player.query_position(gst.FORMAT_TIME)
except:
position = gst.CLOCK_TIME_NONE
else:
position = ret[0]
try:
ret = self.player.query_duration(gst.FORMAT_TIME)
duration, format = self.player.query_duration(gst.FORMAT_TIME)
except:
duration = gst.CLOCK_TIME_NONE
else:
duration = ret[0]
return (position, duration, ret[1])
return (position, duration)
def seek(self, location):
"""
@ -222,7 +218,7 @@ class PlayerWindow(gtk.Window):
self.update_scale_cb)
def update_scale_cb(self):
self.p_position, self.p_duration, format = self.player.query_position()
self.p_position, self.p_duration = self.player.query_position()
if self.p_position != gst.CLOCK_TIME_NONE:
value = self.p_position * 100.0 / self.p_duration
self.adjustment.set_value(value)
@ -260,7 +256,19 @@ class PlayerWindow(gtk.Window):
self.adjustment.set_value(0.0)
def main(args):
def usage():
sys.stderr.write("usage: %s URI-OF-MEDIA-FILE\n" % args[0])
sys.exit(1)
w = PlayerWindow()
if len(args) != 2:
usage()
if not gst.uri_is_valid(args[1]):
sys.stderr.write("Error: Invalid URI: %s\n" % args[1])
sys.exit(1)
w.load_file(args[1])
w.show_all()