Fix Linux Paulstretch regression

src/sg_py_vendor/wavefile/libsndfile.py

@@ -17,6 +17,8 @@
 import ctypes as ct
 import numpy as np
 
+IS_WINDOWS = "win32" in sys.platform or "msys" in sys.platform
+
 if sys.platform == "win32":
     dllName = 'libsndfile-1'
 elif "linux" in sys.platform:
@@ -320,9 +322,10 @@ def __init_lib_methods():
     _lib.sf_open.restype = SNDFILE
     _lib.sf_open.argtypes = [ct.c_char_p, ct.c_int, ct.POINTER(SF_INFO)]
 
-    #SNDFILE*     sf_wchar_open  (LPCWSTR wpath, int mode, SF_INFO *sfinfo);
-    _lib.sf_wchar_open.restype = SNDFILE
-    _lib.sf_wchar_open.argtypes = [ct.c_wchar_p, ct.c_int, ct.POINTER(SF_INFO)]
+    if IS_WINDOWS:
+        #SNDFILE*     sf_wchar_open  (LPCWSTR wpath, int mode, SF_INFO *sfinfo);
+        _lib.sf_wchar_open.restype = SNDFILE
+        _lib.sf_wchar_open.argtypes = [ct.c_wchar_p, ct.c_int, ct.POINTER(SF_INFO)]
 
     #int        sf_error        (SNDFILE *sndfile) ;
     _lib.sf_error.restype = ct.c_int

src/sg_py_vendor/wavefile/wavefile.py

@@ -27,9 +27,13 @@
 
 from .libsndfile import _lib
 
-from .libsndfile import OPEN_MODES, SEEK_MODES, SF_INFO, FILE_STRINGS
-
-IS_WINDOWS = "win32" in sys.platform or "msys" in sys.platform
+from .libsndfile import (
+    FILE_STRINGS, 
+    IS_WINDOWS,
+    OPEN_MODES, 
+    SEEK_MODES, 
+    SF_INFO, 
+)
 
 # Vorbis and Flac use utf8.
 # WAV/AIFF use ascii, but if chars beyond 127 are found,

src/sgui/daw/sequencer/audio_input.py

@@ -62,7 +62,8 @@ def __init__(self, a_num, a_layout, a_callback, a_count):
         self.stereo_combobox = QComboBox()
         self.stereo_combobox.setToolTip(
             "Select another input channel to pair as a stereo channel "
-            "to this channel"
+            "to this channel.  Note that the other channel does not need to "
+            "be record-armed, doing so will record it separately"
         )
         a_layout.addWidget(self.stereo_combobox, a_num, 3)
         self.stereo_combobox.setMinimumWidth(75)