def do_transform_caps(self, direction, caps):
caps = gst.Caps.copy(caps)
rate, = [s["rate"] for s in caps]
if direction == gst.PAD_SRC:
# Source pad's format is the same as sink pad's
# except it can have any sample rate equal to or
# less than the sink pad's. (Really needs to be
# an integer multiple, actually, but that requirement
# is not enforced here).
tmpltcaps = self.get_pad("sink").get_pad_template_caps()
for n in range(gst.Caps.get_size(caps)):
s = caps[n]
if s.has_field_typed("rate", "GstIntRange"):
allowed_rate = gst.IntRange(rate.low, gobject.G_MAXINT)
elif s.has_field_typed("rate", "gint"):
allowed_rate = gst.IntRange(rate, gobject.G_MAXINT)
else:
gst.message_new_error(
self,
gst.GError(gst.CORE_ERROR, gst.CORE_ERROR_NEGOTIATION,
"negotiation error"),
"invalid type for rate in caps")
elif direction == gst.PAD_SINK:
# Source pad's format is the same as sink pad's
# except it can have any sample rate equal to or
# less than the sink pad's. (Really needs to be
# an integer multiple, actually, but that requirement
# is not enforced here).
tmpltcaps = self.get_pad("src").get_pad_template_caps()
for n in range(gst.Caps.get_size(caps)):
s = caps[n]
if s.has_field_typed("rate", "GstIntRange"):
if rate.high == 1:
allowed_rate = 1
else:
allowed_rate = gst.IntRange(1, rate.high)
elif s.has_field_typed("rate", "gint"):
if rate == 1:
allowed_rate = 1
else:
allowed_rate = gst.IntRange(1, rate)
else:
gst.message_new_error(
self,
gst.GError(gst.CORE_ERROR, gst.CORE_ERROR_NEGOTIATION,
"negotiation error"),
"invalid type for rate in caps")
else:
raise AssertionError
result = gst.Caps()
for s in tmpltcaps:
s = s.copy()
s["rate"] = allowed_rate
result.append_structure(s)
return result
def pad_event(self, pad, event):
if event.has_name('urilist-played'):
error = gst.GError(gst.RESOURCE_ERROR, gst.RESOURCE_ERROR_FAILED,
b'Nested playlists not supported.')
message = b'Playlists pointing to other playlists is not supported'
self.post_message(gst.message_new_error(self, error, message))
return 1 # GST_PAD_PROBE_OK
def preview(self):
logger.debug("recorder preview")
if not len(self.bins):
self.dispatcher.emit("recorder-error", "No tracks on profile")
return False
else:
change = self.pipeline.set_state(gst.STATE_PAUSED)
if change == gst.STATE_CHANGE_FAILURE:
text = None
random_bin = None
for key, value in self.bins.iteritems():
if not value.getSource():
random_bin = value
text = "Error on track : " + key
if not random_bin:
random_bin = value
text = "Error on unknow track"
src = random_bin
error = gst.GError(gst.RESOURCE_ERROR,
gst.RESOURCE_ERROR_FAILED, text)
message = gst.message_new_error(
src, error,
str(random_bin) + "\nunknown system_error")
self.bus.post(message)
#self.dispatcher.emit("recorder-error","Driver error")
return False
else:
return True
def testBusError(self):
def discovery_error_cb(discoverer, uri, error, debug, dic):
dic['uri'] = uri
dic['error'] = error
dic['debug'] = debug
dic = {}
self.discoverer.connect('discovery-error', discovery_error_cb, dic)
src = gst.Pad('src', gst.PAD_SRC)
gerror = gst.GError(gst.STREAM_ERROR, gst.STREAM_ERROR_FAILED, 'meh')
message = gst.message_new_error(src, gerror, 'debug1')
self.failUnlessEqual(self.discoverer.error, None)
self.discoverer.addUri('popme')
self.discoverer._busMessageErrorCb(None, message)
self.failUnlessEqual(dic['debug'], 'debug1')
# errors shouldn't be overridden
gerror = gst.GError(gst.STREAM_ERROR, gst.STREAM_ERROR_FAILED, 'muh')
message = gst.message_new_error(src, gerror, 'debug2')
self.discoverer.addUri('popme')
self.discoverer._busMessageErrorCb(None, message)
self.failUnlessEqual(dic['debug'], 'debug2')
def _handle_error(self, message):
err = gst.GError(gst.RESOURCE_ERROR, gst.RESOURCE_ERROR_FAILED,
message)
m = gst.message_new_error(self, err, message)
self.post_message(m)
self.error(message)