Move Windows MMCSS related utility functions into libpbd

libs/backends/portaudio/portaudio_backend.cc

@@ -33,12 +33,12 @@
 #include "pbd/error.h"
 #include "pbd/file_utils.h"
 #include "pbd/windows_timer_utils.h"
+#include "pbd/windows_mmcss.h"
 
 #include "ardour/filesystem_paths.h"
 #include "ardour/port_manager.h"
 #include "i18n.h"
 
-#include "mmcss.h"
 #include "audio_utils.h"
 
 #include "debug.h"

libs/backends/portaudio/winmmemidi_input_device.cc

@@ -23,11 +23,10 @@
 
 #include "pbd/compose.h"
 #include "pbd/windows_timer_utils.h"
+#include "pbd/windows_mmcss.h"
 
 #include "midi_util.h"
 
-#include "mmcss.h"
-
 #include "debug.h"
 
 static const uint32_t MIDI_BUFFER_SIZE = 32768;

libs/backends/portaudio/winmmemidi_output_device.cc

@@ -23,11 +23,11 @@
 #include "pbd/debug.h"
 #include "pbd/compose.h"
 #include "pbd/windows_timer_utils.h"
+#include "pbd/windows_mmcss.h"
 
 #include "rt_thread.h"
 #include "midi_util.h"
 
-#include "mmcss.h"
 #include "debug.h"
 
 // remove dup with input_device

libs/backends/portaudio/wscript

@@ -27,7 +27,6 @@ def build(bld):
                    'winmmemidi_input_device.cc',
                    'winmmemidi_output_device.cc',
                    'midi_util.cc',
-                   'mmcss.cc'
                  ]
     obj.includes = ['.']
     obj.name     = 'portaudio_backend'

libs/pbd/windows_mmcss.cc

@@ -16,11 +16,12 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include "mmcss.h"
+#include "pbd/windows_mmcss.h"
 
 #include "pbd/compose.h"
+#include "pbd/debug.h"
 
-#include "debug.h"
+#define DEBUG_THREADS(msg) DEBUG_TRACE (PBD::DEBUG::Threads, msg);
 
 typedef HANDLE (WINAPI* AvSetMmThreadCharacteristicsA_t)(LPCSTR TaskName,
                                                          LPDWORD TaskIndex);

libs/pbd/wscript

@@ -149,6 +149,7 @@ def build(bld):
         obj.defines += [ 'NO_POSIX_MEMALIGN' ]
         obj.source += [ 'windows_special_dirs.cc' ]
         obj.source += [ 'windows_timer_utils.cc' ]
+        obj.source += [ 'windows_mmcss.cc' ]
         obj.uselib += ' OLE'
 
     if bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'):