Added Jack MIDI compatibility filthy annoying kludges.

git-svn-id: http://svn.drobilla.net/lad/machina@507 a436a847-0d15-0410-975c-d299462d15a1

4 files changed, 79 insertions, 0 deletions

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..22592fe
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,15 @@
+# Copyright (C) 2007 Nedko Arnaudov <nedko@arnaudov.name>
+# This file is distributed under the same terms as the Autoconf macro files.
+ 	
+AC_DEFUN([AC_JACK_MIDI_NFRAMES_CHECK], [
+AC_MSG_CHECKING([whether JACK MIDI functions need nframes parameter])
+AC_LANG_PUSH(C)
+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[
+#include <jack/jack.h>
+#include <jack/midiport.h>
+]], [[
+jack_midi_event_get(0, 0, 0, 0);
+]]), [jackmidi_nframes='yes'], [jackmidi_nframes='no'])
+AC_MSG_RESULT([$jackmidi_nframes])
+AC_LANG_POP()
+])
diff --git a/configure.ac b/configure.ac
index 552ceb7..47be94f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,6 +30,13 @@ if test "$with_jack" = "yes"; then
   fi
 fi
 AM_CONDITIONAL(WITH_JACK, [test "$with_jack" = "yes"])
+if test "$with_jack" = "yes"; then
+	AC_DEFINE(HAVE_JACK_MIDI, 1, [Has Jack MIDI])
+	AC_JACK_MIDI_NFRAMES_CHECK()  	   	
+	if test "$jackmidi_nframes" == "yes"; then 	  	
+		AC_DEFINE([JACK_MIDI_NEEDS_NFRAMES], 1, [Defined if we JACK MIDI functions need nframes parameter.]) 	  	
+	fi
+fi
 
 # Check for debugging flag
 debug="no"
diff --git a/src/engine/JackDriver.cpp b/src/engine/JackDriver.cpp
index 39061ed..e56aa4b 100644
--- a/src/engine/JackDriver.cpp
+++ b/src/engine/JackDriver.cpp
@@ -19,6 +19,7 @@
 #include <iomanip>
 #include "machina/JackDriver.hpp"
 #include "machina/MidiAction.hpp"
+#include "jack_compat.h"
 
 using namespace Raul;
 
diff --git a/src/engine/jack_compat.h b/src/engine/jack_compat.h
new file mode 100644
index 0000000..792148e
--- /dev/null
+++ b/src/engine/jack_compat.h
@@ -0,0 +1,56 @@
+/* JACK MIDI API compatibility hacks.
+ * Copyright (C) 2007 Nedko Arnaudov <nedko@arnaudov.name>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef JACK_COMPAT_H
+#define JACK_COMPAT_H
+
+
+#if defined(JACK_MIDI_NEEDS_NFRAMES)
+
+jack_nframes_t
+jack_midi_get_event_count_compat(
+  void * port_buffer)
+{
+#if defined(HAVE_OLD_JACK_MIDI)
+  return jack_midi_port_get_info(port_buffer, 0)->event_count;
+#else
+  return jack_midi_get_event_count(port_buffer, 0);
+#endif
+}
+
+#define jack_midi_get_event_count jack_midi_get_event_count_compat
+
+int
+jack_midi_event_get_compat(
+  jack_midi_event_t * event,
+  void * port_buffer,
+  jack_nframes_t event_index)
+{
+  return jack_midi_event_get(event, port_buffer, event_index, 0);
+}
+
+#define jack_midi_event_get jack_midi_event_get_compat
+
+#else
+
+#if defined(HAVE_OLD_JACK_MIDI)
+#error "Old (0.102.20) JACK MIDI API needs nframes (autotools probably gone mad)"
+#endif
+
+#endif  /* #if defined(JACK_MIDI_NEEDS_NFRAMES) */
+
+#endif /* JACK_COMPAT_H */