def test_create_key(self):
orientation = Orientation('10', '20', '30')
position = Position('1', '2', '3')
pose = Pose(orientation, position)
self.assertEqual(orientation.pitch, '20')
self.assertEqual(position.z, '3')
self.assertEqual(pose.create_key(), "10,20,30,1,2,3,0,0,0")
def parse_filter_list(self):
"""
Generator for filter list lines
Lines are assumed to have a format like
0 0 40 1 1 0 brirWav_APA/Ref_A01_1_040.wav
The headphone filter starts with HPFILTER instead of the positions.
Lines can be commented with a '#' as first character.
:return: Iterator of (Pose, filter-path) tuples
"""
for line in self.filter_list:
# comment out lines in the list with a '#'
if line.startswith('#'):
continue
line_content = line.split()
filter_path = line_content[-1]
if line.startswith('HPFILTER'):
self.log.info(
"Loading headphone filter: {}".format(filter_path))
self.headphone_filter = Filter(self.load_filter(filter_path),
self.ir_blocks, self.block_size)
continue
filter_value_list = tuple(line_content[0:-1])
pose = Pose.from_filterValueList(filter_value_list)
yield pose, filter_path
def callback(in_data, frame_count, time_info, status):
# print("pyAudio callback")
current_soundfile_list = binsim.oscReceiver.get_sound_file_list()
if current_soundfile_list:
binsim.soundHandler.request_new_sound_file(current_soundfile_list)
# Get sound block. At least one convolver should exist
binsim.block[:binsim.soundHandler.get_sound_channels(
), :] = binsim.soundHandler.buffer_read()
# Update Filters and run each convolver with the current block
for n in range(binsim.soundHandler.get_sound_channels()):
# Get new Filter
if binsim.oscReceiver.is_filter_update_necessary(n):
filterValueList = binsim.oscReceiver.get_current_values(n)
filter = binsim.filterStorage.get_filter(
Pose.from_filterValueList(filterValueList))
binsim.convolvers[n].setIR(
filter, callback.config.get('enableCrossfading'))
left, right = binsim.convolvers[n].process(binsim.block[n, :])
# Sum results from all convolvers
if n == 0:
binsim.result[:, 0] = left
binsim.result[:, 1] = right
else:
binsim.result[:, 0] = np.add(binsim.result[:, 0], left)
binsim.result[:, 1] = np.add(binsim.result[:, 1], right)
# Finally apply Headphone Filter
if callback.config.get('useHeadphoneFilter'):
binsim.result[:, 0], binsim.result[:,
1] = binsim.convolverHP.process(
binsim.result)
# Scale data
binsim.result = np.divide(
binsim.result, float(
(binsim.soundHandler.get_sound_channels()) * 2))
binsim.result = np.multiply(binsim.result,
callback.config.get('loudnessFactor'))
if np.max(np.abs(binsim.result)) > 1:
binsim.log.warn('Clipping occurred: Adjust loudnessFactor!')
# When the last block is small than the blockSize, this is probably the end of the file.
# Call pyaudio to stop after this frame
# Should not be the case for current soundhandler implementation
if binsim.block.size < callback.config.get('blockSize'):
pyaudio.paContinue = 1
return (binsim.result[:frame_count].tostring(), pyaudio.paContinue)
def test_from_filter_value_invalid(self):
with self.assertRaises(RuntimeError):
Pose.from_filterValueList([1, 2, 3])
def test_from_filter_value_list_9(self):
pose = Pose.from_filterValueList([10, 20, 30, 1, 2, 3, 11, 22, 33])
self.assertTrue(pose.orientation.yaw, 10)
self.assertTrue(pose.position.x, 1)
self.assertTrue(pose.custom.b, 22)