From 094c26aa689664177e156d17bf5e9ab67c442a53 Mon Sep 17 00:00:00 2001
From: frahaase <fra.haase@googlemail.com>
Date: Fri, 12 Aug 2016 18:23:18 +0200
Subject: Binaural synthesis (confbridge): Adds binaural synthesis to
 bridge_softmix.

Adds binaural synthesis to bridge_softmix (via convolution using libfftw3).
Binaural synthesis is conducted at 48kHz.
For a conference, only one spatial representation is rendered.
The default rendering is applied for mono-capable channels.

ASTERISK-26292

Change-Id: Iecdb381b6adc17c961049658678f6219adae1ddf
---
 configure | 40 +++++++++++++++++++++++++++++-----------
 1 file changed, 29 insertions(+), 11 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 42a21d7c5..fb13b5620 100755
--- a/configure
+++ b/configure
@@ -29419,7 +29419,7 @@ if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lfftw3 ${pbxlibdir} -lfftw3 $LIBS"
+LIBS="-lfftw3 ${pbxlibdir}  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -29461,7 +29461,7 @@ fi
 
    # now check for the header.
    if test "${AST_FFTW3_FOUND}" = "yes"; then
-      FFTW3_LIB="${pbxlibdir} -lfftw3 -lfftw3"
+      FFTW3_LIB="${pbxlibdir} -lfftw3 "
       # if --with-FFTW3=DIR has been specified, use it.
       if test "x${FFTW3_DIR}" != "x"; then
          FFTW3_INCLUDE="-I${FFTW3_DIR}/include"
@@ -29499,11 +29499,6 @@ _ACEOF
 fi
 
 
-if test "$PBX_FFTW3" = "1"; then
-
-$as_echo "#define HAVE_FFTW 1" >>confdefs.h
-
-fi
 
 if test "x${PBX_SNDFILE}" != "x1" -a "${USE_SNDFILE}" != "no"; then
    pbxlibdir=""
@@ -29528,7 +29523,7 @@ if eval \${$as_ac_Lib+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lsndfile ${pbxlibdir} -lsndfile $LIBS"
+LIBS="-lsndfile ${pbxlibdir}  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -29570,7 +29565,7 @@ fi
 
    # now check for the header.
    if test "${AST_SNDFILE_FOUND}" = "yes"; then
-      SNDFILE_LIB="${pbxlibdir} -lsndfile -lsndfile"
+      SNDFILE_LIB="${pbxlibdir} -lsndfile "
       # if --with-SNDFILE=DIR has been specified, use it.
       if test "x${SNDFILE_DIR}" != "x"; then
          SNDFILE_INCLUDE="-I${SNDFILE_DIR}/include"
@@ -29610,8 +29605,6 @@ fi
 
 
 
-
-
     if test "x${PBX_SPANDSP}" != "x1" -a "${USE_SPANDSP}" != "no"; then
         if test "xminimum version of SpanDSP" != "x"; then
             { $as_echo "$as_me:${as_lineno-$LINENO}: checking for minimum version of SpanDSP" >&5
@@ -36253,6 +36246,31 @@ else
 	touch makeopts.acbak
 fi
 
+# conf_bridge (binaural rendering): check if HRIRs are available
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for bridges/bridge_softmix/include/hrirs.h" >&5
+$as_echo_n "checking for bridges/bridge_softmix/include/hrirs.h... " >&6; }
+if ${ac_cv_file_bridges_bridge_softmix_include_hrirs_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  test "$cross_compiling" = yes &&
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+if test -r "bridges/bridge_softmix/include/hrirs.h"; then
+  ac_cv_file_bridges_bridge_softmix_include_hrirs_h=yes
+else
+  ac_cv_file_bridges_bridge_softmix_include_hrirs_h=no
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_file_bridges_bridge_softmix_include_hrirs_h" >&5
+$as_echo "$ac_cv_file_bridges_bridge_softmix_include_hrirs_h" >&6; }
+if test "x$ac_cv_file_bridges_bridge_softmix_include_hrirs_h" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_BRIDGES_BRIDGE_SOFTMIX_INCLUDE_HRIRS_H 1
+_ACEOF
+
+fi
+
+
 ac_config_files="$ac_config_files build_tools/menuselect-deps makeopts"
 
 
-- 
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