def set_mixer_src(self, target, src, db):
offset = FFMixerRegs.calculate_src_offset(self.__spec, target, src)
val = self.__build_val_from_db(db)
data = pack('<I', val)
req = Hinawa.FwReq()
req.transaction(self.get_node(), Hinawa.FwTcode.WRITE_BLOCK_REQUEST,
self.__regs[1] + offset, len(data), data)
self.__mixer_cache[offset // 4] = val
self.__write_cache_to_file()
def __create_mixer_initial_cache(self):
targets = self.get_mixer_labels()
srcs = self.get_mixer_src_labels()
cache = [0x00] * (len(targets) * 2 * self.__spec['avail'])
for i, target in enumerate(targets):
for src in srcs:
# Supply diagonal stream sources to each mixers.
if src != 'stream-{0}'.format(i + 1):
val = self.__MUTE_VAL
else:
val = self.__ZERO_VAL
offset = FFMixerRegs.calculate_src_offset(
self.__spec, target, src)
cache[offset // 4] = val
return cache
def get_mixer_src(self, target, src):
offset = FFMixerRegs.calculate_src_offset(self.__spec, target, src)
return self.__parse_val_to_db(self.__mixer_cache[offset // 4])
def get_mixer_src_labels(self):
return FFMixerRegs.get_mixer_src_labels(self.__spec)