Quisk version 4.2.28

2023-12-26 15:39:37 -05:00
commit ffa047c2ef
143 changed files with 52434 additions and 0 deletions
@@ -0,0 +1,85 @@
+#! /usr/bin/python
+
+# Test for PortAudio devices using ctypes
+
+from __future__ import print_function
+
+import ctypes, ctypes.util
+
+class PaDeviceInfo (ctypes.Structure):
+  _fields_ = [
+	('structVersion', ctypes.c_int),
+	('name', ctypes.c_char_p),
+	('hostApi', ctypes.c_int),							# PaHostApiIndex
+	('maxInputChannels', ctypes.c_int),
+	('maxOutputChannels', ctypes.c_int),
+	('defaultLowInputLatency', ctypes.c_double),		# PaTime
+	('defaultLowOutputLatency', ctypes.c_double),		# PaTime
+	('defaultHighInputLatency', ctypes.c_double),		# PaTime
+	('defaultHighOutputLatency', ctypes.c_double),		# PaTime
+	('defaultSampleRate', ctypes.c_double),
+	]
+
+class PaHostApiInfo (ctypes.Structure):
+  _fields_ = [
+	('structVersion', ctypes.c_int),
+	('type', ctypes.c_int),			# enum PaHostApiTypeId
+	('name', ctypes.c_char_p),
+	('deviceCount', ctypes.c_int),
+	('defaultInputDevice', ctypes.c_int),
+	('defaultOutputDevice', ctypes.c_int),
+	]
+
+class PaStreamParameters (ctypes.Structure):
+  _fields_ = [
+	('device', ctypes.c_int),						#PaDeviceIndex
+	('channelCount', ctypes.c_int),
+	('sampleFormat', ctypes.c_ulong),				#PaSampleFormat
+	('suggestedLatency', ctypes.c_double),			# PaTime
+	('hostApiSpecificStreamInfo', ctypes.c_void_p),
+	]
+
+pa_name = ctypes.util.find_library("portaudio")
+pa = ctypes.CDLL(pa_name)
+
+pa.Pa_GetDeviceInfo.restype		= ctypes.POINTER(PaDeviceInfo)
+pa.Pa_GetHostApiInfo.restype	= ctypes.POINTER(PaHostApiInfo)
+pa.Pa_GetVersionText.restype	= ctypes.c_char_p
+
+inputParameters = PaStreamParameters (device=0, channelCount=2,
+			sampleFormat=2, suggestedLatency=0,		# format 2 is paInt32
+			hostApiSpecificStreamInfo=ctypes.c_void_p() )
+
+outputParameters =  PaStreamParameters (device=0, channelCount=2,
+			sampleFormat=2, suggestedLatency=0,		# format 2 is paInt32
+			hostApiSpecificStreamInfo=ctypes.c_void_p() )
+
+print('Open', pa.Pa_Initialize())
+try:
+  print('Version', pa.Pa_GetVersion())
+  print('Version Text', pa.Pa_GetVersionText())
+  count = pa.Pa_GetDeviceCount()
+  print('NumDev', count)
+  for i in range(count):
+    pt_info = pa.Pa_GetDeviceInfo(i)
+    info = pt_info.contents
+    print("Device %2d, host api %s" % (i, pa.Pa_GetHostApiInfo(info.hostApi).contents.name))
+    print("    Name %s" %  info.name)
+    print("    Max inputs %d,  Max outputs %d" % (info.maxInputChannels, info.maxOutputChannels))
+    inputParameters.device = i
+    outputParameters.device = i
+    if info.maxInputChannels >= 2:
+      ptIn = ctypes.pointer(inputParameters)
+    else:
+      ptIn = ctypes.c_void_p()
+    if info.maxOutputChannels >= 2:
+      ptOut = ctypes.pointer(outputParameters)
+    else:
+      ptOut = ctypes.c_void_p()
+    print("    Speeds for 2-channel paInt32:", end=' ')
+    for speed in (44100, 48000, 96000, 192000):
+      if pa.Pa_IsFormatSupported(ptIn, ptOut, ctypes.c_double(speed)) == 0:
+        print("  %d" % speed, end=' ')
+    print()
+finally:
+  print('Close', pa.Pa_Terminate())