def get_host_api_info_by_index(self, host_api_index):
"""
Return a dictionary containing the Host API parameters for the
host API specified by the `host_api_index`. The keys of the
dictionary mirror the data fields of PortAudio's ``PaHostApiInfo``
structure.
:param host_api_index: The host api index
:raises IOError: for invalid `host_api_index`
:rtype: dict
"""
return self._make_host_api_dictionary(
host_api_index, pa.get_host_api_info(host_api_index))
def get_host_api_info_by_index(self, host_api_index):
"""
Return a dictionary containing the Host API parameters for the
host API specified by the `host_api_index`. The keys of the
dictionary mirror the data fields of PortAudio's ``PaHostApiInfo``
structure.
:param host_api_index: The host api index
:raises IOError: for invalid `host_api_index`
:rtype: dict
"""
return self._make_host_api_dictionary(
host_api_index,
pa.get_host_api_info(host_api_index)
)
import _portaudio as p
p.initialize()
max_apis = p.get_host_api_count()
max_devs = p.get_device_count()
print "\nPortAudio System Info:\n======================"
print "Version: %d" % p.get_version()
print "Version Text: %s" % p.get_version_text()
print "Number of Host APIs: %d" % max_apis
print "Number of Devices : %d" % max_devs
print "\nHost APIs:\n=========="
for i in range(max_apis):
apiinfo = p.get_host_api_info(i)
print "Number : ", i
print "Name : ", apiinfo.name
print "Type : ", apiinfo.type
print "Devices : ", apiinfo.deviceCount
print "defaultInputDevice : ", apiinfo.defaultInputDevice
print "defaultOutputDevice : ", apiinfo.defaultOutputDevice
print "--------------------------"
print "\nDevices:\n========"
for i in range(max_devs):
devinfo = p.get_device_info(i)
print "Number : ", i
print "Name : ", devinfo.name
print "hostApi Index : ", devinfo.hostApi
