Commit 51680f93 authored by David I. Lehn's avatar David I. Lehn

rename to vorbisplay.py print out meta/stream info

Original commit message from CVS:
rename to vorbisplay.py
print out meta/stream info
parent 9aa46e05
#!/usr/bin/env python
#
# gst-python
# Copyright (C) 2002 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
from gstreamer import *
def main():
"Basic example to play an Ogg Vorbis stream through OSS"
#gst_debug_set_categories(-1)
if len(sys.argv) != 2:
print 'usage: %s <Ogg Vorbis file>' % (sys.argv[0])
return -1
# create a new bin to hold the elements
bin = Pipeline('pipeline')
# create a disk reader
filesrc = gst_element_factory_make ('filesrc', 'disk_source');
if not filesrc:
print 'could not find plugin \"filesrc\"'
return -1
filesrc.set_property('location', sys.argv[1])
# now get the decoder
decoder = gst_element_factory_make ('vorbisfile', 'parse');
if not decoder:
print 'could not find plugin \"vorbisfile\"'
return -1
# and an audio sink
osssink = gst_element_factory_make ('osssink', 'play_audio')
if not osssink:
print 'could not find plugin \"osssink\"'
return -1
# add objects to the main pipeline
for e in (filesrc, decoder, osssink):
bin.add(e)
# link the elements
previous = None
for e in (filesrc, decoder, osssink):
if previous:
previous.link(e)
previous = e
# start playing
bin.set_state(STATE_PLAYING);
while bin.iterate(): pass
# stop the bin
bin.set_state(STATE_NULL)
return 0
if __name__ == '__main__':
ret = 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
from gstreamer import *
def gst_props_debug_entry(entry, level=0):
name = entry.get_name()
type = entry.get_props_type()
indent = ' '*level
if type == PROPS_INT_TYPE:
ret, val = entry.get_int()
assert ret
print '%s%s: int %d' % (indent, name, val)
elif type == PROPS_FLOAT_TYPE:
ret, val = entry.get_float()
assert ret
print '%s%s: float %f' % (indent, name, val)
elif type == PROPS_FOURCC_TYPE:
ret, val = entry.get_fourcc()
assert ret
print '%s%s: fourcc %c%c%c%c' % (indent, name,
(val>>0)&0xff,
(val>>8)&0xff,
(val>>16)&0xff,
(val>>24)&0xff)
elif type == PROPS_BOOLEAN_TYPE:
ret, val = entry.get_bool()
assert ret
print '%s%s: bool %d' % (indent, name, val)
elif type == PROPS_STRING_TYPE:
ret, val = entry.get_string()
assert ret
print '%s%s: string "%s"' % (indent, name, val)
elif type == PROPS_INT_RANGE_TYPE:
ret, min, max = entry.get_int_range()
assert ret
print '%s%s: int range %d-%d' % (indent, name, min, max)
elif type == PROPS_FLOAT_RANGE_TYPE:
ret, min, max = entry.get_float_range()
assert ret
print '%s%s: float range %f-%f' % (indent, name, min, max)
elif type == PROPS_LIST_TYPE:
ret, val = entry.get_list()
assert ret
print '[list] ('
for e in val:
gst_props_debug_entry(e, level+1)
print ')'
else:
print '%sWARNING: %s: unknown property type %d' % (indent, name, type)
def debug_caps(caps):
props = caps.get_props()
ret, plist = props.get_list()
for e in plist:
gst_props_debug_entry(e, level=1)
def streaminfo(sender, pspec):
assert pspec.name == 'streaminfo'
caps = sender.get_property(pspec.name)
print 'streaminfo:'
debug_caps(caps)
def metadata(sender, pspec):
assert pspec.name == 'metadata'
caps = sender.get_property(pspec.name)
print 'metadata:'
debug_caps(caps)
def decoder_notified(sender, pspec):
if pspec.name == 'streaminfo':
streaminfo(sender, pspec)
elif pspec.name == 'metadata':
metadata(sender, pspec)
else:
print 'notify:', sender, pspec
def main():
"Basic example to play an Ogg Vorbis stream through OSS"
#gst_debug_set_categories(-1)
if len(sys.argv) != 2:
print 'usage: %s <Ogg Vorbis file>' % (sys.argv[0])
return -1
# create a new bin to hold the elements
bin = Pipeline('pipeline')
# create a disk reader
filesrc = gst_element_factory_make ('filesrc', 'disk_source');
if not filesrc:
print 'could not find plugin \"filesrc\"'
return -1
filesrc.set_property('location', sys.argv[1])
# now get the decoder
decoder = gst_element_factory_make ('vorbisfile', 'parse');
if not decoder:
print 'could not find plugin \"vorbisfile\"'
return -1
decoder.connect('notify', decoder_notified)
# and an audio sink
osssink = gst_element_factory_make ('osssink', 'play_audio')
if not osssink:
print 'could not find plugin \"osssink\"'
return -1
# add objects to the main pipeline
for e in (filesrc, decoder, osssink):
bin.add(e)
# link the elements
previous = None
for e in (filesrc, decoder, osssink):
if previous:
previous.link(e)
previous = e
# start playing
bin.set_state(STATE_PLAYING);
while bin.iterate(): pass
# stop the bin
bin.set_state(STATE_NULL)
return 0
if __name__ == '__main__':
ret = main()
sys.exit(ret)
#!/usr/bin/env python
#
# gst-python
# Copyright (C) 2002 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
from gstreamer import *
def main():
"Basic example to play an Ogg Vorbis stream through OSS"
#gst_debug_set_categories(-1)
if len(sys.argv) != 2:
print 'usage: %s <Ogg Vorbis file>' % (sys.argv[0])
return -1
# create a new bin to hold the elements
bin = Pipeline('pipeline')
# create a disk reader
filesrc = gst_element_factory_make ('filesrc', 'disk_source');
if not filesrc:
print 'could not find plugin \"filesrc\"'
return -1
filesrc.set_property('location', sys.argv[1])
# now get the decoder
decoder = gst_element_factory_make ('vorbisfile', 'parse');
if not decoder:
print 'could not find plugin \"vorbisfile\"'
return -1
# and an audio sink
osssink = gst_element_factory_make ('osssink', 'play_audio')
if not osssink:
print 'could not find plugin \"osssink\"'
return -1
# add objects to the main pipeline
for e in (filesrc, decoder, osssink):
bin.add(e)
# link the elements
previous = None
for e in (filesrc, decoder, osssink):
if previous:
previous.link(e)
previous = e
# start playing
bin.set_state(STATE_PLAYING);
while bin.iterate(): pass
# stop the bin
bin.set_state(STATE_NULL)
return 0
if __name__ == '__main__':
ret = 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
from gstreamer import *
def gst_props_debug_entry(entry, level=0):
name = entry.get_name()
type = entry.get_props_type()
indent = ' '*level
if type == PROPS_INT_TYPE:
ret, val = entry.get_int()
assert ret
print '%s%s: int %d' % (indent, name, val)
elif type == PROPS_FLOAT_TYPE:
ret, val = entry.get_float()
assert ret
print '%s%s: float %f' % (indent, name, val)
elif type == PROPS_FOURCC_TYPE:
ret, val = entry.get_fourcc()
assert ret
print '%s%s: fourcc %c%c%c%c' % (indent, name,
(val>>0)&0xff,
(val>>8)&0xff,
(val>>16)&0xff,
(val>>24)&0xff)
elif type == PROPS_BOOLEAN_TYPE:
ret, val = entry.get_bool()
assert ret
print '%s%s: bool %d' % (indent, name, val)
elif type == PROPS_STRING_TYPE:
ret, val = entry.get_string()
assert ret
print '%s%s: string "%s"' % (indent, name, val)
elif type == PROPS_INT_RANGE_TYPE:
ret, min, max = entry.get_int_range()
assert ret
print '%s%s: int range %d-%d' % (indent, name, min, max)
elif type == PROPS_FLOAT_RANGE_TYPE:
ret, min, max = entry.get_float_range()
assert ret
print '%s%s: float range %f-%f' % (indent, name, min, max)
elif type == PROPS_LIST_TYPE:
ret, val = entry.get_list()
assert ret
print '[list] ('
for e in val:
gst_props_debug_entry(e, level+1)
print ')'
else:
print '%sWARNING: %s: unknown property type %d' % (indent, name, type)
def debug_caps(caps):
props = caps.get_props()
ret, plist = props.get_list()
for e in plist:
gst_props_debug_entry(e, level=1)
def streaminfo(sender, pspec):
assert pspec.name == 'streaminfo'
caps = sender.get_property(pspec.name)
print 'streaminfo:'
debug_caps(caps)
def metadata(sender, pspec):
assert pspec.name == 'metadata'
caps = sender.get_property(pspec.name)
print 'metadata:'
debug_caps(caps)
def decoder_notified(sender, pspec):
if pspec.name == 'streaminfo':
streaminfo(sender, pspec)
elif pspec.name == 'metadata':
metadata(sender, pspec)
else:
print 'notify:', sender, pspec
def main():
"Basic example to play an Ogg Vorbis stream through OSS"
#gst_debug_set_categories(-1)
if len(sys.argv) != 2:
print 'usage: %s <Ogg Vorbis file>' % (sys.argv[0])
return -1
# create a new bin to hold the elements
bin = Pipeline('pipeline')
# create a disk reader
filesrc = gst_element_factory_make ('filesrc', 'disk_source');
if not filesrc:
print 'could not find plugin \"filesrc\"'
return -1
filesrc.set_property('location', sys.argv[1])
# now get the decoder
decoder = gst_element_factory_make ('vorbisfile', 'parse');
if not decoder:
print 'could not find plugin \"vorbisfile\"'
return -1
decoder.connect('notify', decoder_notified)
# and an audio sink
osssink = gst_element_factory_make ('osssink', 'play_audio')
if not osssink:
print 'could not find plugin \"osssink\"'
return -1
# add objects to the main pipeline
for e in (filesrc, decoder, osssink):
bin.add(e)
# link the elements
previous = None
for e in (filesrc, decoder, osssink):
if previous:
previous.link(e)
previous = e
# start playing
bin.set_state(STATE_PLAYING);
while bin.iterate(): pass
# stop the bin
bin.set_state(STATE_NULL)
return 0
if __name__ == '__main__':
ret = main()
sys.exit(ret)
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