some preparations for new JACK audio interface

configure.in

@@ -20,20 +20,29 @@ AC_CHECK_PROGS(RPMBUILD, rpmbuild, rpm)
 dnl Configuration Arguments
 
 AC_ARG_ENABLE( sound,[  --enable-sound        generic sound support], enable_sound=$enableval, enable_sound=yes)
-
-dnl AC_ARG_WITH( qt4dir,[  --with-qtdir=path to QT],QT4DIR=$withval)
+AC_ARG_ENABLE( alsa,[  --enable-alsa         use ALSA interface], enable_alsa=$enableval, enable_alsa=yes)
 
 
+if test "$enable_alsa" = "yes"; then
+	dnl checks for ALSA audio
 	AC_CHECK_HEADER(sys/asoundlib.h, , enable_sound=no)
 	AC_CHECK_LIB(asound, snd_pcm_open, , enable_sound=no)
+else
+	dnl checks for JACK audio
+	AC_CHECK_HEADER([jack/jack.h], have_jack=yes, have_jack=no, [
+	])
+	dnl AM_CONDITIONAL(USE_JACK,test "$have_jack" = yes)
+
+	if test "$have_jack" = yes; then
+	   JACK_LIB="-ljack"
+	   AC_DEFINE(USE_JACK, 1,[Define to enable JACK input module])
+	fi
+fi
 
 if test "$enable_sound" = "yes"; then
 	AC_DEFINE(WITH_SOUND, 1, [Define if you want to use sound])
 fi
 
-if test "$enable_client" = "yes"; then
-	AC_DEFINE(APPL_TYPE_CLIENT, 1, [Define if you want to use client])
-fi
 
 
 dnl Checks for header files.
@@ -78,12 +87,9 @@ fi
 
 QT_LIBS="$QT_LIB"
 QT_LDADD="-L$QTDIR/lib $QT_LIBS"
-LDFLAGS="$QT_LDADD $LDFLAGS"
-
-dnl FOO=`echo $QT_LIBS | sed -e 's/-L/-Wl,-rpath,/' | sed -e 's/-L.*//'`
-dnl LDFLAGS="$LDFLAGS $FOO"
-
-dnl LDFLAGS="-L/usr/lib $QT_LIBS $LDFLAGS"
+JACK_LIBS="$JACK_LIB"
+JACK_LDADD="$JACK_LIBS"
+LDFLAGS="$QT_LDADD $JACK_LDADD $LDFLAGS"
 
 AC_MSG_NOTICE([Set LDFLAGS... $LDFLAGS])
 
@@ -94,27 +100,5 @@ AC_SUBST(QT_MOC)
 AC_SUBST(QT_RCC)
 AC_SUBST(QT_UIC)
 
-dnl old QT2/QT3 code:
-dnl if test "no$QTDIR" = "no"; then
-dnl 	AC_MSG_ERROR( "*** Please set QTDIR ***" )
-dnl fi
-dnl 
-dnl saved_ldflags="$LDFLAGS"
-dnl LDFLAGS="$LDFLAGS -L$QTDIR/lib"
-dnl 
-dnl AC_HAVE_LIBRARY(qt-mt,,exit 1)
-dnl 
-dnl AC_PATH_PROG(MOC, moc,, "$QTDIR/bin")
-dnl if test -z "$MOC"; then
-dnl 	AC_MSG_ERROR("No moc found in $QTDIR/bin");
-dnl fi
-dnl AC_PATH_PROG(UIC, uic,, "$QTDIR/bin")
-dnl if test -z "$UIC"; then
-dnl 	AC_MSG_ERROR("No uic found in $QTDIR/bin");
-dnl fi
-dnl AC_SUBST(QTDIR)
-
-
-
 AC_CONFIG_FILES(Makefile linux/Makefile)
 AC_OUTPUT

linux/sound.h

@@ -25,10 +25,14 @@
 #include "global.h"
 
 #if WITH_SOUND
+# if USE_JACK
+#  include <jack/jack.h>
+# else
 #  define ALSA_PCM_NEW_HW_PARAMS_API
 #  define ALSA_PCM_NEW_SW_PARAMS_API
 #  include <alsa/asoundlib.h>
 # endif
+#endif
 
 
 /* Definitions ****************************************************************/
@@ -43,18 +47,20 @@
 
 
 /* Classes ********************************************************************/
+#if WITH_SOUND
+# if USE_JACK
+
+// TODO, see http://jackit.sourceforge.net/cgi-bin/lxr/http/source/example-clients/simple_client.c
+
+# else
 class CSound : public CSoundBase
 {
 public:
     CSound ( void (*fpNewCallback) ( CVector<short>& psData, void* arg ), void* arg ) :
-#if WITH_SOUND
         CSoundBase ( false, fpNewCallback, arg ), rhandle ( NULL ),
         phandle ( NULL ), iCurPeriodSizeIn ( NUM_PERIOD_BLOCKS_IN ),
         iCurPeriodSizeOut ( NUM_PERIOD_BLOCKS_OUT ), bChangParamIn ( true ),
         bChangParamOut ( true ) {}
-#else
-    CSoundBase ( false, fpNewCallback, arg ) {}
-#endif
     virtual ~CSound() { Close(); }
 
     // not implemented yet, always return one device and default string
@@ -63,7 +69,6 @@ public:
     int         SetDev ( const int iNewDev ) {} // dummy
     int         GetDev() { return 0; }
 
-#if WITH_SOUND
     virtual int Init ( const int iNewPrefMonoBufferSize )
     {
         // init base class
@@ -80,9 +85,9 @@ public:
     }
     virtual bool Read  ( CVector<short>& psData );
     virtual bool Write ( CVector<short>& psData );
-    virtual void Close();
 
 protected:
+    void Close();
     void InitRecording();
     void InitPlayback();
 
@@ -98,13 +103,28 @@ protected:
     int iCurPeriodSizeIn;
     bool bChangParamOut;
     int iCurPeriodSizeOut;
+};
+# endif // USE_JACK
 #else
+// no sound -> dummy class definition
+class CSound : public CSoundBase
+{
+public:
+    CSound ( void (*fpNewCallback) ( CVector<short>& psData, void* arg ), void* arg ) :
+        CSoundBase ( false, fpNewCallback, arg ) {}
+    virtual ~CSound() { Close(); }
+
+    // not used
+    int         GetNumDev() { return 1; }
+    std::string GetDeviceName ( const int iDiD ) { return "wave mapper"; }
+    int         SetDev ( const int iNewDev ) {} // dummy
+    int         GetDev() { return 0; }
+
     // dummy definitions
     virtual int  Init  ( const int iNewPrefMonoBufferSize ) { CSoundBase::Init ( iNewPrefMonoBufferSize ); }
     virtual bool Read  ( CVector<short>& psData ) { printf ( "no sound!" ); return false; }
     virtual bool Write ( CVector<short>& psData ) { printf ( "no sound!" ); return false; }
-    virtual void Close() {}
-#endif
 };
+#endif // WITH_SOUND
 
 #endif // !defined(_SOUND_H__9518A621345F78_3634567_8C0D_EEBF182CF549__INCLUDED_)

src/soundbase.h

@@ -45,7 +45,6 @@ public:
     virtual void Start();
     virtual void Stop();
     bool         IsRunning() const { return bRun; }
-    virtual void Close() = 0;
 
     virtual void OpenDriverSetup() {}
 

windows/sound.cpp

@@ -360,13 +360,6 @@ void CSound::Stop()
     CSoundBase::Stop();
 }
 
-void CSound::Close()
-{
-
-// TODO
-
-}
-
 CSound::CSound ( void (*fpNewCallback) ( CVector<short>& psData, void* arg ), void* arg ) :
     CSoundBase ( true, fpNewCallback, arg )
 {
@@ -564,7 +557,7 @@ long CSound::asioMessages ( long selector, long value, void* message, double* op
 // requires changes in client class, too
 
 
-            ret = 1L; // 1L if request is accepted or 0 otherwise
+            ret = 0;//1L; // 1L if request is accepted or 0 otherwise
             break;
     }
     return ret;

windows/sound.h

@@ -62,7 +62,6 @@ public:
     virtual int  Init ( const int iNewPrefMonoBufferSize );
     virtual void Start();
     virtual void Stop();
-    virtual void Close();
 
     virtual void OpenDriverSetup() { ASIOControlPanel(); }