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77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
import os
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import gobject
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import gst
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def gst_dump(bin):
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dump_element(bin, 0)
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def dump_bin(bin, indent):
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# Iterate the children
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for child in bin.get_list():
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dump_element(child, indent + 2)
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def dump_element(element, indent):
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states = { 1: 'NULL', 2: 'READY',
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4: 'PAUSED', 8: 'PLAYING' }
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state = 'UNKNOWN'
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try:
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state = states[element.get_state()]
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except KeyError:
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state = 'UNKNOWN (%d)' % element.get_state()
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c = element.get_clock()
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if c is None:
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clock_str = "clock - None"
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else:
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clock_str = "clock - %s" % (c.get_name())
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out = "%s (%s): state %s, %s" % (element.get_name(),
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gobject.type_name(element.__gtype__), state, clock_str)
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print out.rjust(len(out) + indent)
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tmp = { True: 'active', False: 'inactive' }
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for curpad in element.get_pad_list():
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if curpad.get_direction() == gst.PAD_SRC:
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if curpad.is_linked():
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peer = curpad.get_peer()
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out = " - %s:%s (%s) => %s:%s (%s)" % (
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curpad.get_parent().get_name(), curpad.get_name(),
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tmp[curpad.is_active()],
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peer.get_parent().get_name(), peer.get_name(),
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tmp[peer.is_active()])
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print out.rjust(len(out) + indent)
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if isinstance(element, gst.Bin):
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dump_bin(element, indent + 2)
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elif isinstance(element, gst.Queue):
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out = " - time_level: %ld" % (
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element.get_property('current-level-time'))
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print out.rjust(len(out) + indent)
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out = " - bytes_level: %ld" % (
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element.get_property('current-level-bytes'))
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print out.rjust(len(out) + indent)
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def gc_collect(reason=None):
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"""
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Garbage-collect if GST_GC env var is set.
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This helps in debugging object refcounting.
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Sprinkle liberally around checkpoints.
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"""
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env = os.environ.get('GST_GC', None)
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if not env:
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return
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import gc
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if env == 'DEBUG_LEAK':
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gc.set_debug(gc.DEBUG_LEAK)
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gst.debug('collecting garbage')
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if reason:
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gst.debug('because of %s' % reason)
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count = gc.collect()
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gst.debug('collected garbage, %d objects collected, %d left' % (
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count, len(gc.get_objects())))
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