111 lines
2.5 KiB
Python
111 lines
2.5 KiB
Python
# platform-dependent audio module using BASS
|
|
|
|
import platform, ctypes, os
|
|
from pybass_constants import *
|
|
import ini
|
|
|
|
dll = None
|
|
dllf = ""
|
|
opus = ""
|
|
use_ctypes = False
|
|
if platform.system() == "Windows":
|
|
dllf = "bass.dll"
|
|
opus = "bassopus.dll"
|
|
elif platform.system() == "Darwin":
|
|
dllf = "libbass.dylib"
|
|
opus = "libbassopus.dylib"
|
|
else:
|
|
dllf = "libbass.so"
|
|
opus = "libbassopus.so"
|
|
|
|
def checkAvailable():
|
|
"""
|
|
Check if the DLLs exist
|
|
Returns string with dll name if it's missing, empty if all DLLs are in place
|
|
"""
|
|
one = os.path.exists(os.path.abspath(dllf))
|
|
two = os.path.exists(os.path.abspath(opus))
|
|
if not one: return dllf
|
|
if not two: return two
|
|
return ""
|
|
|
|
|
|
|
|
def init(freq=48000):
|
|
"""
|
|
Initialize BASS and the opus plugin
|
|
"""
|
|
global dll, use_ctypes
|
|
if platform.system() == "Darwin":
|
|
dll = ctypes.CDLL(dllf)
|
|
use_ctypes = True
|
|
else:
|
|
import pybass as dll
|
|
|
|
dll.BASS_Free()
|
|
dll.BASS_Init(ini.read_ini_int("AO2XP.ini", "Audio", "device", -1), freq, 0, 0, 0)
|
|
dll.BASS_PluginLoad(os.path.abspath(opus), 0)
|
|
|
|
def free():
|
|
"""
|
|
Free BASS
|
|
"""
|
|
dll.BASS_Free()
|
|
|
|
def getcurrdevice():
|
|
return dll.BASS_GetDevice()
|
|
|
|
def getdevices():
|
|
"""
|
|
Get BASS devices
|
|
"""
|
|
info = BASS_DEVICEINFO()
|
|
ind = 0
|
|
devices = []
|
|
while dll.BASS_GetDeviceInfo(ind, ctypes.c_voidp(ctypes.addressof(info)) if use_ctypes else info):
|
|
devices.append(info.name)
|
|
ind += 1
|
|
return devices
|
|
|
|
def loadhandle(mem, file, offset=0, length=0, flags=0):
|
|
"""
|
|
Load a BASS stream handle
|
|
"""
|
|
return dll.BASS_StreamCreateFile(mem, file, QWORD(offset), QWORD(length), flags)
|
|
|
|
def loadURLhandle(url, offset, flags, proc=DOWNLOADPROC(), user=0):
|
|
"""
|
|
Load a BASS stream handle from an URL
|
|
"""
|
|
return dll.BASS_StreamCreateURL(url, offset, flags, proc, user)
|
|
|
|
def freehandle(handle):
|
|
"""
|
|
Free a handle
|
|
"""
|
|
return dll.BASS_StreamFree(handle)
|
|
|
|
def playhandle(handle, restart):
|
|
"""
|
|
Play a handle
|
|
"""
|
|
return dll.BASS_ChannelPlay(handle, restart)
|
|
|
|
def stophandle(handle):
|
|
"""
|
|
Stop handle playback
|
|
"""
|
|
return dll.BASS_ChannelStop(handle)
|
|
|
|
def handleisactive(handle):
|
|
"""
|
|
Get handle playback status
|
|
"""
|
|
return dll.BASS_ChannelIsActive(handle)
|
|
|
|
def sethandleattr(handle, attr, value):
|
|
"""
|
|
Set handle attribute
|
|
"""
|
|
if use_ctypes and type(value) == float: value = ctypes.c_float(value)
|
|
return dll.BASS_ChannelSetAttribute(handle, attr, value) |