def _uri_async_cb(self, src, result, data):
try:
success = self._media_art.uri_finish(result)
if success:
self.emit('found')
return
except GLib.Error as error:
if MediaArt.Error(error.code) == MediaArt.Error.SYMLINK_FAILED:
# This error indicates that the coverart has already
# been linked by another concurrent lookup.
self.emit('found')
else:
logger.warning("Error: {}, {}".format(
MediaArt.Error(error.code), error.message))
self.emit('unavailable')
def _discovered(self, discoverer, info, error):
tags = info.get_tags()
index = 0
# FIXME: tags should not return as None, but it sometimes is.
# So as a workaround until we figure out what is wrong check
# for it.
# https://bugzilla.gnome.org/show_bug.cgi?id=780980
if (error is not None
or tags is None):
if error:
logger.warning("Discoverer error: {}, {}".format(
Gst.CoreError(error.code), error.message))
discoverer.stop()
self.emit('unavailable')
return
while True:
success, sample = tags.get_sample_index(Gst.TAG_IMAGE, index)
if not success:
break
index += 1
struct = sample.get_info()
success, image_type = struct.get_enum(
'image-type', GstTag.TagImageType)
if not success:
continue
if image_type != GstTag.TagImageType.FRONT_COVER:
continue
buf = sample.get_buffer()
success, map_info = buf.map(Gst.MapFlags.READ)
if not success:
continue
try:
mime = sample.get_caps().get_structure(0).get_name()
MediaArt.buffer_to_jpeg(map_info.data, mime, self._path)
self.emit('found')
discoverer.stop()
return
except GLib.Error as error:
logger.warning("Error: {}, {}".format(
MediaArt.Error(error.code), error.message))
discoverer.stop()
self._lookup_cover_in_directory()
def _discovered(self, discoverer, info, error):
tags = info.get_tags()
index = 0
if (error is not None or tags is None):
if error:
logger.warning("Discoverer error: {}, {}".format(
Gst.CoreError(error.code), error.message))
discoverer.stop()
self.emit('unavailable')
return
while True:
success, sample = tags.get_sample_index(Gst.TAG_IMAGE, index)
if not success:
break
index += 1
struct = sample.get_info()
success, image_type = struct.get_enum('image-type',
GstTag.TagImageType)
if not success:
continue
if image_type != GstTag.TagImageType.FRONT_COVER:
continue
buf = sample.get_buffer()
success, map_info = buf.map(Gst.MapFlags.READ)
if not success:
continue
try:
mime = sample.get_caps().get_structure(0).get_name()
MediaArt.buffer_to_jpeg(map_info.data, mime, self._path)
self.emit('found')
discoverer.stop()
return
except GLib.Error as error:
logger.warning("Error: {}, {}".format(
MediaArt.Error(error.code), error.message))
discoverer.stop()
self._lookup_cover_in_directory()
