def get_processing_mixer_state(unit, subunit_id, attr, fb_id, in_fb,
in_ch, out_ch):
attrs = ('current', 'minimum', 'maximum', 'resolution', 'default')
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attrs.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if in_fb > 255:
raise ValueError('Invalid argument for input function block ID')
if in_ch > 255:
raise ValueError('Invalid argument for input channel number')
if out_ch > 255:
raise ValueError('Invalid argument for output channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x82) # Processing function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x04) # Selector length is 4
args.append(in_fb)
args.append(in_ch)
args.append(out_ch)
args.append(0x03) # Mixer control
args.append(0x02) # Control data is 2
args.append(0xff) # Higher part of setting
args.append(0xff) # Lower part of setting
params = AvcGeneral.command_status(unit, args)
return (params[12] << 8) | params[13]
def get_plug_clusters(unit, addr):
if addr[1] != BcoPlugInfo.addr_mode.index('unit') or \
addr[2] != BcoPlugInfo.addr_unit_type.index('isoc'):
raise ValueError('Isochronous unit plugs just support this')
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x03) # Info type is 'channel position data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
data = params[10:]
pos = 0
clusters = [[] for i in range(data[pos])]
pos += 1
for cls in range(len(clusters)):
num = data[pos]
pos += 1
if num == 0:
break;
clusters[cls] = [[0, 0] for j in range(num)]
for e in range(len(clusters[cls])):
clusters[cls][e][0] = data[pos];
clusters[cls][e][1] = data[pos + 1];
pos += 2
return clusters
def get_processing_mixer_state_all(unit, subunit_id, attr, fb_id, in_fb):
attrs = ('current', 'minimum', 'maximum', 'resolution', 'default')
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attrs.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if in_fb > 255:
raise ValueError('Invalid argument for input function block ID')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x82) # Processing function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x04) # Selector length is 4
args.append(in_fb)
args.append(0xff)
args.append(0xff)
args.append(0x03) # Mixer control
args.append(0xff) # The length of control data in response
params = AvcGeneral.command_status(unit, args)
count = params[11] // 2
status = []
for i in range(count):
status.append((params[12 + i * 2] << 8) | params[13 + i * 2])
return status
def get_plug_clusters(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x03) # Info type is 'channel position data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
data = params[10:]
pos = 0
clusters = [[] for i in range(data[pos])]
pos += 1
for cls in range(len(clusters)):
num = data[pos]
pos += 1
if num == 0:
break;
clusters[cls] = [[0, 0] for j in range(num)]
for e in range(len(clusters[cls])):
clusters[cls][e][0] = data[pos];
clusters[cls][e][1] = data[pos + 1];
pos += 2
return clusters
def get_feature_mute_state(unit, subunit_id, attr, fb_id, ch):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attr is not 'current':
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if ch > 255:
raise ValueError('Invalid argument for channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x81) # Feature function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(ch)
args.append(0x01) # Mute control
args.append(0x01) # Control data length is 1
args.append(0xff) # Status
params = AvcGeneral.command_status(unit, args)
if params[10] == 0x70:
return True
elif params[10] == 0x60:
return False
else:
raise OSError('Unexpected value in response')
def get_subunit_fb_info(unit, subunit_type, subunit_id, page, fb_type):
if AvcGeneral.subunit_types.count(subunit_type) == 0:
raise ValueError('Invalid argument for subunit type')
if subunit_id > 7:
raise ValueError('Invalid argument for subunit id')
args = bytearray(0xff for i in range(29))
args[0] = 0x01
args[1] = (
AvcGeneral.subunit_types.index(subunit_type) << 3) | subunit_id
args[2] = 0x31
args[3] = page
args[4] = 0xff
params = AvcGeneral.command_status(unit, args)
entries = []
for i in range(5):
if params[5 + 5 * i] == 0xff:
continue
entry = {}
entry['fb-type'] = params[5 + 5 * i]
entry['fb-id'] = params[6 + 5 * i]
entry['fb-purpose'] = BcoSubunitInfo.fb_purpose[params[7 + 5 * i]]
entry['inputs'] = params[8 + 5 * i]
entry['outputs'] = params[9 + 5 * i]
entries.append(entry)
return entries
def get_plug_clusters(unit, addr):
if addr[1] != BcoPlugInfo.addr_mode.index('unit') or \
addr[2] != BcoPlugInfo.addr_unit_type.index('isoc'):
raise ValueError('Isochronous unit plugs just support this')
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x03) # Info type is 'channel position data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
data = params[10:]
pos = 0
clusters = [[] for i in range(data[pos])]
pos += 1
for cls in range(len(clusters)):
num = data[pos]
pos += 1
if num == 0:
break
clusters[cls] = [[0, 0] for j in range(num)]
for e in range(len(clusters[cls])):
clusters[cls][e][0] = data[pos]
clusters[cls][e][1] = data[pos + 1]
pos += 2
return clusters
def get_processing_mixer_state(unit, subunit_id, attr, fb_id, in_fb, in_ch,
out_ch):
attrs = ('current', 'minimum', 'maximum', 'resolution', 'default')
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attrs.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if in_fb > 255:
raise ValueError('Invalid argument for input function block ID')
if in_ch > 255:
raise ValueError('Invalid argument for input channel number')
if out_ch > 255:
raise ValueError('Invalid argument for output channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x82) # Processing function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x04) # Selector length is 4
args.append(in_fb)
args.append(in_ch)
args.append(out_ch)
args.append(0x03) # Mixer control
args.append(0x02) # Control data is 2
args.append(0xff) # Higher part of setting
args.append(0xff) # Lower part of setting
params = AvcGeneral.command_status(unit, args)
return (params[12] << 8) | params[13]
def get_entry_list(fcp, addr):
fmts = []
for i in range(0xff):
# DM1500 tends to cause timeout.
time.sleep(0.1)
try:
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x2f) # Bco stream format support
args.append(0xc1) # List request
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0xff)
args.append(i)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
fmts.append(BcoStreamFormatInfo._parse_format(params[11:]))
except OSError as e:
if str(e) != 'Rejected':
raise
else:
break
return fmts
def get_processing_mixer_state_all(unit, subunit_id, attr, fb_id, in_fb):
attrs = ('current', 'minimum', 'maximum', 'resolution', 'default')
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attrs.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if in_fb > 255:
raise ValueError('Invalid argument for input function block ID')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x82) # Processing function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x04) # Selector length is 4
args.append(in_fb)
args.append(0xff)
args.append(0xff)
args.append(0x03) # Mixer control
args.append(0xff) # The length of control data in response
params = AvcGeneral.command_status(unit, args)
count = params[11] // 2
status = []
for i in range(count):
status.append((params[12 + i * 2] << 8) | params[13 + i * 2])
return status
def get_feature_mute_state(unit, subunit_id, attr, fb_id, ch):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if attr is not 'current':
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if ch > 255:
raise ValueError('Invalid argument for channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x81) # Feature function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(ch)
args.append(0x01) # Mute control
args.append(0x01) # Control data length is 1
args.append(0xff) # Status
params = AvcGeneral.command_status(unit, args)
if params[10] == 0x70:
return True
elif params[10] == 0x60:
return False
else:
raise OSError('Unexpected value in response')
def get_entry_list(cls, fcp, addr):
fmts = []
for i in range(0xff):
# DM1500 tends to cause timeout.
time.sleep(0.1)
try:
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x2f) # Bco stream format support
args.append(0xc1) # List request
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0xff)
args.append(i)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
fmts.append(cls._parse_format(params[11:]))
except OSError as e:
if str(e) != 'Rejected':
raise
else:
break
return fmts
def get_formats(unit, direction, plug):
if AvcGeneral.plug_direction.count(direction) == 0:
raise ValueError('Invalid argument for plug direction')
if plug > 255:
raise ValueError('Invalid argument for plug number')
fmts = []
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0xbf)
args.append(0xc1)
args.append(AvcGeneral.plug_direction.index(direction))
args.append(0x00)
args.append(0x00)
args.append(plug)
args.append(0xff)
args.append(0xff)
args.append(0x00)
args.append(0xff)
for i in range(255):
args[10] = i
try:
fmt = AvcGeneral.command_status(unit, args)
fmts.append(fmt)
except:
break
return fmts
def get_signal_source(unit, dst):
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0x1a)
args.append(0xff)
args.append(0xff)
args.append(0xfe)
args.append(dst[0])
args.append(dst[1])
params = AvcGeneral.command_status(unit, args)
return AvcCcm.parse_signal_addr(params[6:])
def get_signal_source(unit, dst):
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0x1a)
args.append(0xff)
args.append(0xff)
args.append(0xfe)
args.append(dst[0])
args.append(dst[1])
params = AvcGeneral.command_status(unit, args)
return AvcCcm.parse_signal_addr(params[6:])
def get_signal_source(cls, fcp, dst):
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0x1a)
args.append(0xff)
args.append(0xff)
args.append(0xfe)
args.append(dst[0])
args.append(dst[1])
params = AvcGeneral.command_status(fcp, args)
src = params[4:6]
return cls.parse_signal_addr(src)
def get_plug_channels(unit, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x02) # Info type is 'the number of channels'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
return params[10]
def get_plug_input(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x05) # Info type is 'input data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
return cls.parse_plug_addr(params[10:])
def get_plug_channels(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x02) # Info type is 'the number of channels'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
return params[10]
def get_plug_input(unit, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x05) # Info type is 'input data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
return BcoPlugInfo.parse_plug_addr(params[10:])
def get_plug_ch_name(cls, fcp, addr, pos):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x04) # Info type is 'channel position name'
args.append(pos)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
length = params[11]
return params[12:12+length].decode()
def get_plug_ch_name(unit, addr, pos):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x04) # Info type is 'channel position name'
args.append(pos)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
length = params[11]
return params[12:12 + length].decode()
def get_plug_cluster_info(cls, fcp, addr, cluster):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x07) # Info type is 'cluster info'
args.append(cluster)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
length = params[12]
return params[13:13+length].decode()
def get_plug_type(unit, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x00) # Info type is 'type'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
if params[10] > len(BcoPlugInfo.plug_type):
raise OSError('Unexpected value in response')
return BcoPlugInfo.plug_type[params[10]]
def get_plug_type(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x00) # Info type is 'type'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
if params[10] > len(cls.plug_type):
raise OSError('Unexpected value in response')
return cls.plug_type[params[10]]
def get_plug_name(unit, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x01) # Info type is 'name'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
length = params[10]
if length == 0:
return ""
return params[11:11 + length].decode()
def get_subunits(cls, fcp):
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0x31)
args.append(0x00) # Any values are approved.
args.append(0xff)
args.append(0xff)
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
subunits = []
for i in range(4, 7):
if params[i] is not 0xff:
subunit = {}
subunit['type'] = AvcGeneral.subunit_types[params[i] >> 3]
subunit['id'] = params[i] & 0x7
subunits.append(subunit)
return subunits
def get_selector_state(unit, subunit_id, attr, fb_id):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if ('current', 'minimum', 'maximum', 'default').count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x80) # Selector function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(0xff)
args.append(0x01) # Selector control
params = AvcGeneral.command_status(unit, args)
return params[7]
def get_selector_state(unit, subunit_id, attr, fb_id):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if ('current', 'minimum', 'maximum', 'default').count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x80) # Selector function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(0xff)
args.append(0x01) # Selector control
params = AvcGeneral.command_status(unit, args)
return params[7]
def get_plug_name(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x01) # Info type is 'name'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
length = params[10]
if length == 0:
return ""
return params[11:11 + length].decode()
def get_subunits(unit):
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0x31)
args.append(0x00) # Any values are approved.
args.append(0xff)
args.append(0xff)
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
subunits = []
for i in range(4, 7):
if params[i] is not 0xff:
subunit = {}
subunit['type'] = AvcGeneral.subunit_types[params[i] >> 3]
subunit['id'] = params[i] & 0x7
subunits.append(subunit)
return subunits
def get_digital_channel_status(cls, fcp, spec, name):
if spec is 'con':
attrs = BcoVendorDependent.supported_con_status
subcmds = BcoVendorDependent._con_subcmds
elif spec is 'pro':
attrs = BcoVendorDependent.supported_pro_status
subcmds = BcoVendorDependent._pro_subcmds
else:
raise ValueError('Invalid argument for specification name')
if name not in attrs:
raise ValueError('Invalid argument for attribute name')
args = bytearray(0xff for i in range(10))
args[0] = 0x01
args[1] = 0xff
args[2] = 0x00
args[3] = BcoVendorDependent.supported_spec.index(spec)
args[4] = subcmds[name]
args[5] = attrs[name]
params = AvcGeneral.command_status(fcp, args)
return params[6:6 + attrs[name]]
def get_plug_cluster_info(unit, addr, cls):
if addr[1] != BcoPlugInfo.addr_mode.index('unit') or \
addr[2] != BcoPlugInfo.addr_unit_type.index('isoc'):
raise ValueError('Isochronous unit plugs just support this')
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x07) # Info type is 'cluster info'
args.append(cls)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
length = params[12]
return params[13:13+length].decode()
def get_digital_channel_status(unit, spec, name):
if spec is 'con':
attrs = BcoVendorDependent.supported_con_status
subcmds = BcoVendorDependent._con_subcmds
elif spec is 'pro':
attrs = BcoVendorDependent.supported_pro_status
subcmds = BcoVendorDependent._pro_subcmds
else:
raise ValueError('Invalid argument for specification name')
if name not in attrs:
raise ValueError('Invalid argumetn for attribute name')
args = bytearray(0xff for i in range(10))
args[0] = 0x01
args[1] = 0xff
args[2] = 0x00
args[3] = BcoVendorDependent.supported_spec.index(spec)
args[4] = subcmds[name]
args[5] = attrs[name]
params = AvcGeneral.command_status(unit, args)
return params[6:6 + attrs[name]]
def get_plug_cluster_info(unit, addr, cls):
if addr[1] != BcoPlugInfo.addr_mode.index('unit') or \
addr[2] != BcoPlugInfo.addr_unit_type.index('isoc'):
raise ValueError('Isochronous unit plugs just support this')
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x07) # Info type is 'cluster info'
args.append(cls)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
length = params[12]
return params[13:13 + length].decode()
def get_format(unit, direction, plug):
if AvcGeneral.plug_direction.count(direction) == 0:
raise ValueError('Invalid argument for plug direction')
if plug > 255:
raise ValueError('Invalid argument for plug number')
args = bytearray()
args.append(0x01)
args.append(0xff)
args.append(0xbf)
args.append(0xc0)
args.append(AvcGeneral.plug_direction.index(direction))
args.append(0x00)
args.append(0x00)
args.append(plug)
args.append(0xff)
args.append(0xff)
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
return AvcStreamFormatInfo.parse_format(params[10:len(params)])
def get_plug_outputs(cls, fcp, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x06) # Info type is 'output data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(fcp, args)
info = []
plugs = params[10]
if plugs != 0xff:
for i in range(plugs):
addr = cls.parse_plug_addr(params[11 + i * 7:])
info.append(addr)
return info
def get_plug_outputs(unit, addr):
args = bytearray()
args.append(0x01)
args.append(addr[5])
args.append(0x02) # Plug info command
args.append(0xc0) # Bco plug info subcommand
args.append(addr[0])
args.append(addr[1])
args.append(addr[2])
args.append(addr[3])
args.append(addr[4])
args.append(0x06) # Info type is 'output data'
args.append(0xff)
args.append(0xff)
params = AvcGeneral.command_status(unit, args)
info = []
plugs = params[10]
if plugs != 0xff:
for i in range(plugs):
addr = BcoPlugInfo.parse_plug_addr(params[11 + i * 7:])
info.append(addr)
return info
def get_feature_lr_state(unit, subunit_id, attr, fb_id, ch):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if AvcAudio.attributes.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if ch > 255:
raise ValueError('Invalid argument for channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x81) # Feature function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(ch)
args.append(0x03) # LR control
args.append(0x02) # Control data length is 2
args.append(0xff) # Higher part of balance
args.append(0xff) # Lower part of balance
params = AvcGeneral.command_status(unit, args)
return (params[10] << 8) | params[11]
def get_feature_lr_state(unit, subunit_id, attr, fb_id, ch):
if subunit_id > 0x07:
raise ValueError('Invalid argument for subunit ID')
if AvcAudio.attributes.count(attr) == 0:
raise ValueError('Invalid argument for attribute')
if fb_id > 255:
raise ValueError('Invalid argument for function block ID')
if ch > 255:
raise ValueError('Invalid argument for channel number')
args = bytearray()
args.append(0x01)
args.append(0x08 | (subunit_id & 0x07))
args.append(0xb8)
args.append(0x81) # Feature function block
args.append(fb_id)
args.append(AvcAudio.attribute_values[attr])
args.append(0x02) # Selector length is 2
args.append(ch)
args.append(0x03) # LR control
args.append(0x02) # Control data length is 2
args.append(0xff) # Higher part of balance
args.append(0xff) # Lower part of balance
params = AvcGeneral.command_status(unit, args)
return (params[10] << 8) | params[11]
def get_subunit_fb_info(cls, fcp, subunit_type, subunit_id, page, fb_type):
if AvcGeneral.subunit_types.count(subunit_type) == 0:
raise ValueError('Invalid argument for subunit type')
if subunit_id > 7:
raise ValueError('Invalid argument for subunit id')
args = bytearray(0xff for i in range(29))
args[0] = 0x01
args[1] = (AvcGeneral.subunit_types.index(subunit_type) << 3) | subunit_id
args[2] = 0x31
args[3] = page
args[4] = 0xff
params = AvcGeneral.command_status(fcp, args)
entries = []
for i in range(5):
if params[5 + 5 * i] == 0xff:
continue
entry = {}
entry['fb-type'] = params[5 + 5 * i]
entry['fb-id'] = params[6 + 5 * i]
entry['fb-purpose'] = cls.fb_purpose[params[7 + 5 * i]]
entry['inputs'] = params[8+ 5 * i]
entry['outputs'] = params[9 + 5 * i]
entries.append(entry)
return entries
