--- linuxsampler/trunk/configure.in	2005/07/23 21:55:38	714
+++ linuxsampler/trunk/configure.in	2005/07/24 18:22:56	720
@@ -591,6 +591,12 @@
                               Uses integer math without any branch will then be
                               converted to floating point value for each sample point.
                               This int->float conversion might hurt on some systems.
+                            intmathabs:
+                              Similar to intmath but uses abs() function.
+                              Depending on compiler and platrofm this could
+                              perform better than integer math as it avoids
+			      an extra integer multiply instruction.
+
                             diharmonic:
                               The triangular wave will be approximated by adding two
                               sinusoidials. This solution might especially hurt on
@@ -602,6 +608,7 @@
                               benchmark between the algorithms mentioned above.
                               This will NOT work for cross compilation!],
   [ if test ! "(" "${enableval}" = "intmath" \
+              -o "${enableval}" = "intmathabs" \
               -o "${enableval}" = "diharmonic" ")" ; then
       AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
     else
@@ -619,6 +626,12 @@
                               Uses integer math without any branch will then be
                               converted to floating point value for each sample point.
                               This int->float conversion might hurt on some systems.
+                            intmathabs:
+                              Similar to intmath but uses abs() function.
+                              Depending on compiler and platrofm this could
+                              perform better than integer math as it avoids
+			      an extra integer multiply instruction.
+
                             diharmonic:
                               The triangular wave will be approximated by adding two
                               sinusoidials. This solution might especially hurt on
@@ -630,6 +643,7 @@
                               benchmark between the algorithms mentioned above.
                               This will NOT work for cross compilation!],
   [ if test ! "(" "${enableval}" = "intmath" \
+              -o "${enableval}" = "intmathabs" \
               -o "${enableval}" = "diharmonic" ")" ; then
       AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
     else
@@ -639,6 +653,22 @@
   [config_unsigned_triang_algo="benchmark"]
 )
 
+AC_ARG_ENABLE(process-muted-channels,
+  [  --enable-process-muted-channels
+                          Enable processing of muted channels (default=no).
+                          In that mode all MIDI events in the muted channels
+                          will be processed. This will provide information
+                          about the active voices in the muted channels and
+                          will not discard notes, triggered in mute mode,
+                          when the channel is unmuted. But also will reduce
+                          the efficiency.],
+  [config_process_muted_channels="yes"],
+  [config_process_muted_channels="no"]
+)
+if test "$config_process_muted_channels" = "yes"; then
+  AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
+fi
+
 
 ###########################################################################
 # Automatic Benchmarks (to detect the best algorithms for the system)
@@ -663,6 +693,9 @@
     elif test "$triang_signed" = "3"; then
         config_signed_triang_algo="diharmonic"
         echo "di harmonics"
+    elif test "$triang_signed" = "5"; then
+        config_signed_triang_algo="intmathabs"
+        echo "integer math using abs()"
     else
         echo "Benchmark of signed triangular wave algorithms failed!"
         echo "Maybe you are doing cross compilation? In that case you have to select"
@@ -691,6 +724,9 @@
     elif test "$triang_unsigned" = "3"; then
         config_unsigned_triang_algo="diharmonic"
         echo "di harmonics"
+    elif test "$triang_unsigned" = "5"; then
+        config_signed_triang_algo="intmathabs"
+        echo "integer math using abs()"
     else
         echo "Benchmark of unsigned triangular wave algorithms failed!"
         echo "Maybe you are doing cross compilation? In that case you have to select"
@@ -788,6 +824,7 @@
 echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
 echo "# Override Filter Type: ${config_override_filter_type}"
 echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
+echo "# Process Muted Channels: ${config_process_muted_channels}"
 echo "#-------------------------------------------------------------------#"
 echo "# Read './configure --help' or file 'configure.in' for details.     #"
 echo "#####################################################################"