Commit 9a3256ee authored by David I. Lehn's avatar David I. Lehn

added buffers-per-second test

Original commit message from CVS:
added buffers-per-second test
parent d7c7cb61
#!/usr/bin/env python
#
# gst-python
# Copyright (C) 2003 David I. Lehn
#
# 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.
#
# Author: David I. Lehn <dlehn@users.sourceforge.net>
#
import sys
import time
from gstreamer import *
from gobject import GObject
import gtk
class BPS(object):
def __init__(self):
self.buffers = 0
self.start = 0
def done(self):
end = time.time()
dt = end - self.start
bps = self.buffers/dt
spb = dt/self.buffers
print '%d buffers / %fs\t= %f bps\t= %f spb' % (self.buffers, dt, bps, spb)
def eos(self, sink):
self.done()
if self.method in ('gtk', 'c'):
gtk.main_quit()
def fakesrc(self, buffers):
src = gst_element_factory_make('fakesrc','src')
assert src
src.set_property('silent', 1)
src.set_property('num_buffers', buffers)
return src
def fakesink(self):
sink = gst_element_factory_make('fakesink','sink')
assert sink
sink.set_property('silent', 1)
return sink
def build_pipeline(self, buffers):
pipeline = Pipeline('pipeline')
assert pipeline
src = self.fakesrc(buffers)
pipeline.add(src)
sink = self.fakesink()
pipeline.add(sink)
sink.connect('eos', self.eos)
src.link(sink)
return pipeline
def notify(self, sender, obj, arg):
prop = obj.get_property(arg.name)
print 'notify', sender, arg.name, prop
print prop
def idle(self, pipeline):
return pipeline.iterate()
def test(self, method):
print '%s:' % (method,),
self.pipeline.set_state(STATE_PLAYING)
if method == 'py':
self.start = time.time()
while self.pipeline.iterate():
pass
elif method == 'c':
self.start = time.time()
self.iter_id = add_iterate_bin(self.pipeline)
gtk.main()
elif method == 'gtk':
self.start = time.time()
gtk.idle_add(self.idle, self.pipeline)
gtk.main()
elif method == 'all':
self.start = time.time()
iterate_bin_all(self.pipeline)
self.pipeline.set_state(STATE_NULL)
def __main__(self):
"GStreamer Buffers-Per-Second tester"
gst_info_set_categories(0L)
gst_debug_set_categories(0L)
if len(sys.argv) < 2:
print 'usage: %s buffers [method method ...]' % sys.argv[0]
return 1
else:
self.buffers = int(sys.argv[1])
self.methods = sys.argv[2:]
if self.methods == []:
self.methods = ('gtk', 'c', 'py', 'all')
print '# Testing buffer processing rate for "fakesrc ! fakesink"'
print '# gtk = gtk idle loop function in python'
print '# c = gtk idle loop function in C'
print '# py = full iterate loop in python'
print '# all = full iterate loop in C'
print '# bps = buffers per second'
print '# spb = seconds per buffer'
self.pipeline = self.build_pipeline(self.buffers)
assert self.pipeline
#self.pipeline.connect('deep-notify', self.notify)
for m in self.methods:
self.method = m
self.test(m)
return 0;
if __name__ == '__main__':
bps = BPS()
ret = bps.__main__()
sys.exit (ret)
#!/usr/bin/env python
#
# gst-python
# Copyright (C) 2003 David I. Lehn
#
# 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.
#
# Author: David I. Lehn <dlehn@users.sourceforge.net>
#
import sys
import time
from gstreamer import *
from gobject import GObject
import gtk
class BPS(object):
def __init__(self):
self.buffers = 0
self.start = 0
def done(self):
end = time.time()
dt = end - self.start
bps = self.buffers/dt
spb = dt/self.buffers
print '%d buffers / %fs\t= %f bps\t= %f spb' % (self.buffers, dt, bps, spb)
def eos(self, sink):
self.done()
if self.method in ('gtk', 'c'):
gtk.main_quit()
def fakesrc(self, buffers):
src = gst_element_factory_make('fakesrc','src')
assert src
src.set_property('silent', 1)
src.set_property('num_buffers', buffers)
return src
def fakesink(self):
sink = gst_element_factory_make('fakesink','sink')
assert sink
sink.set_property('silent', 1)
return sink
def build_pipeline(self, buffers):
pipeline = Pipeline('pipeline')
assert pipeline
src = self.fakesrc(buffers)
pipeline.add(src)
sink = self.fakesink()
pipeline.add(sink)
sink.connect('eos', self.eos)
src.link(sink)
return pipeline
def notify(self, sender, obj, arg):
prop = obj.get_property(arg.name)
print 'notify', sender, arg.name, prop
print prop
def idle(self, pipeline):
return pipeline.iterate()
def test(self, method):
print '%s:' % (method,),
self.pipeline.set_state(STATE_PLAYING)
if method == 'py':
self.start = time.time()
while self.pipeline.iterate():
pass
elif method == 'c':
self.start = time.time()
self.iter_id = add_iterate_bin(self.pipeline)
gtk.main()
elif method == 'gtk':
self.start = time.time()
gtk.idle_add(self.idle, self.pipeline)
gtk.main()
elif method == 'all':
self.start = time.time()
iterate_bin_all(self.pipeline)
self.pipeline.set_state(STATE_NULL)
def __main__(self):
"GStreamer Buffers-Per-Second tester"
gst_info_set_categories(0L)
gst_debug_set_categories(0L)
if len(sys.argv) < 2:
print 'usage: %s buffers [method method ...]' % sys.argv[0]
return 1
else:
self.buffers = int(sys.argv[1])
self.methods = sys.argv[2:]
if self.methods == []:
self.methods = ('gtk', 'c', 'py', 'all')
print '# Testing buffer processing rate for "fakesrc ! fakesink"'
print '# gtk = gtk idle loop function in python'
print '# c = gtk idle loop function in C'
print '# py = full iterate loop in python'
print '# all = full iterate loop in C'
print '# bps = buffers per second'
print '# spb = seconds per buffer'
self.pipeline = self.build_pipeline(self.buffers)
assert self.pipeline
#self.pipeline.connect('deep-notify', self.notify)
for m in self.methods:
self.method = m
self.test(m)
return 0;
if __name__ == '__main__':
bps = BPS()
ret = bps.__main__()
sys.exit (ret)
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