def _process(pipeline, timeout_ms):
clock = pipeline.get_clock()
bus = pipeline.get_bus()
timeout = timeout_ms * gst.MSECOND
tags = {}
mime = None
have_audio = False
missing_message = None
types = (
gst.MESSAGE_ELEMENT | gst.MESSAGE_APPLICATION | gst.MESSAGE_ERROR |
gst.MESSAGE_EOS | gst.MESSAGE_ASYNC_DONE | gst.MESSAGE_TAG)
previous = clock.get_time()
while timeout > 0:
message = bus.timed_pop_filtered(timeout, types)
if message is None:
break
elif message.type == gst.MESSAGE_ELEMENT:
if gst.pbutils.is_missing_plugin_message(message):
missing_message = message
elif message.type == gst.MESSAGE_APPLICATION:
if message.structure.get_name() == 'have-type':
mime = message.structure['caps'].get_name()
if mime.startswith('text/') or mime == 'application/xml':
return tags, mime, have_audio
elif message.structure.get_name() == 'have-audio':
have_audio = True
elif message.type == gst.MESSAGE_ERROR:
error = encoding.locale_decode(message.parse_error()[0])
if missing_message and not mime:
caps = missing_message.structure['detail']
mime = caps.get_structure(0).get_name()
return tags, mime, have_audio
raise exceptions.ScannerError(error)
elif message.type == gst.MESSAGE_EOS:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_ASYNC_DONE:
if message.src == pipeline:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_TAG:
taglist = message.parse_tag()
# Note that this will only keep the last tag.
tags.update(utils.convert_taglist(taglist))
now = clock.get_time()
timeout -= now - previous
previous = now
raise exceptions.ScannerError('Timeout after %dms' % timeout_ms)
def _process(pipeline, timeout_ms):
clock = pipeline.get_clock()
bus = pipeline.get_bus()
timeout = timeout_ms * gst.MSECOND
tags = {}
mime = None
have_audio = False
missing_message = None
types = (gst.MESSAGE_ELEMENT | gst.MESSAGE_APPLICATION | gst.MESSAGE_ERROR
| gst.MESSAGE_EOS | gst.MESSAGE_ASYNC_DONE | gst.MESSAGE_TAG)
previous = clock.get_time()
while timeout > 0:
message = bus.timed_pop_filtered(timeout, types)
if message is None:
break
elif message.type == gst.MESSAGE_ELEMENT:
if gst.pbutils.is_missing_plugin_message(message):
missing_message = message
elif message.type == gst.MESSAGE_APPLICATION:
if message.structure.get_name() == 'have-type':
mime = message.structure['caps'].get_name()
if mime.startswith('text/') or mime == 'application/xml':
return tags, mime, have_audio
elif message.structure.get_name() == 'have-audio':
have_audio = True
elif message.type == gst.MESSAGE_ERROR:
error = encoding.locale_decode(message.parse_error()[0])
if missing_message and not mime:
caps = missing_message.structure['detail']
mime = caps.get_structure(0).get_name()
return tags, mime, have_audio
raise exceptions.ScannerError(error)
elif message.type == gst.MESSAGE_EOS:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_ASYNC_DONE:
if message.src == pipeline:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_TAG:
taglist = message.parse_tag()
# Note that this will only keep the last tag.
tags.update(utils.convert_taglist(taglist))
now = clock.get_time()
timeout -= now - previous
previous = now
raise exceptions.ScannerError('Timeout after %dms' % timeout_ms)
def _process(pipeline, timeout_ms):
clock = pipeline.get_clock()
bus = pipeline.get_bus()
timeout = timeout_ms * gst.MSECOND
tags, mime, have_audio, missing_description = {}, None, False, None
types = (
gst.MESSAGE_ELEMENT
| gst.MESSAGE_APPLICATION
| gst.MESSAGE_ERROR
| gst.MESSAGE_EOS
| gst.MESSAGE_ASYNC_DONE
| gst.MESSAGE_TAG
)
start = clock.get_time()
while timeout > 0:
message = bus.timed_pop_filtered(timeout, types)
if message is None:
break
elif message.type == gst.MESSAGE_ELEMENT:
if gst.pbutils.is_missing_plugin_message(message):
missing_description = encoding.locale_decode(_missing_plugin_desc(message))
elif message.type == gst.MESSAGE_APPLICATION:
if message.structure.get_name() == "have-type":
mime = message.structure["caps"].get_name()
if mime.startswith("text/") or mime == "application/xml":
return tags, mime, have_audio
elif message.structure.get_name() == "have-audio":
have_audio = True
elif message.type == gst.MESSAGE_ERROR:
error = encoding.locale_decode(message.parse_error()[0])
if missing_description:
error = "%s (%s)" % (missing_description, error)
raise exceptions.ScannerError(error)
elif message.type == gst.MESSAGE_EOS:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_ASYNC_DONE:
if message.src == pipeline:
return tags, mime, have_audio
elif message.type == gst.MESSAGE_TAG:
taglist = message.parse_tag()
# Note that this will only keep the last tag.
tags.update(utils.convert_taglist(taglist))
timeout -= clock.get_time() - start
raise exceptions.ScannerError("Timeout after %dms" % timeout_ms)
def on_tag(self, taglist):
tags = utils.convert_taglist(taglist)
self._audio._tags.update(tags)
logger.debug('Audio event: tags_changed(tags=%r)', tags.keys())
AudioListener.send('tags_changed', tags=tags.keys())
def on_tag(self, taglist):
tags = utils.convert_taglist(taglist)
self._audio._tags.update(tags)
logger.debug('Audio event: tags_changed(tags=%r)', tags.keys())
AudioListener.send('tags_changed', tags=tags.keys())
