Update method for jack-buffer-size, matching latest MOD OS

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

html/settings.html

@@ -185,7 +185,7 @@
                 $("#prefs-bluetooth-name").prop("disabled", true)
             }
 
-            $("#prefs-audio-256-frames").prop("checked", resp.jack_256_frames)
+            $("#prefs-audio-256-frames").prop("checked", resp.jack_buffer_size == 256)
             $("#prefs-audio-mono-copy").prop("checked", resp.jack_mono_copy)
             $("#prefs-audio-sync-mode").prop("checked", resp.jack_sync_mode)
             $("#prefs-audio-separate-spdif-outs").prop("checked", resp.separate_spdif_outs)
@@ -670,11 +670,11 @@
     // --- Audio Server
 
     $("#prefs-audio-256-frames").click(function () {
-        var using256 = $(this).prop("checked")
-        create_or_delete_file("using-256-frames", using256)
+        var bufferSize = $(this).prop("checked") ? '256' : '128'
+        write_file_contents("jack-buffer-size", bufferSize)
 
         $.ajax({
-            url: '/set_buffersize/' + (using256 ? '256' : '128'),
+            url: '/set_buffersize/' + bufferSize,
             method: 'POST',
             cache: false,
             success: function () {},

mod/webserver.py

@@ -413,9 +413,9 @@ def __init__(self, application, request, **kwargs):
         self.prefs = []
 
         self.make_pref("bluetooth_name", self.OPTION_FILE_CONTENTS, "/data/bluetooth/name", str)
+        self.make_pref("jack_buffer_size", self.OPTION_FILE_CONTENTS, "/data/jack-buffer-size", int, 128)
         self.make_pref("jack_mono_copy", self.OPTION_FILE_EXISTS, "/data/jack-mono-copy")
         self.make_pref("jack_sync_mode", self.OPTION_FILE_EXISTS, "/data/jack-sync-mode")
-        self.make_pref("jack_256_frames", self.OPTION_FILE_EXISTS, "/data/using-256-frames")
         self.make_pref("separate_spdif_outs", self.OPTION_FILE_EXISTS, "/data/separate-spdif-outs")
 
         # Optional services
@@ -529,8 +529,7 @@ def post(self):
             if path not in ("autorestart-hmi",
                             "jack-mono-copy",
                             "jack-sync-mode",
-                            "separate-spdif-outs",
-                            "using-256-frames"):
+                            "separate-spdif-outs"):
                 self.write(False)
                 return
 
@@ -549,7 +548,8 @@ def post(self):
             path    = self.get_argument('path')
             content = self.get_argument('content').strip()
 
-            if path not in ("bluetooth/name",):
+            if path not in ("bluetooth/name",
+                            "jack-buffer-size"):
                 self.write(False)
                 return