Useful for fast FFT computation: http://www.fftw.org/.
Signed-off-by: Ganesh Ajjanagadde <gajja...@gmail.com>
---
configure | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/configure b/configure
index 0987bcd..9a9a36d 100755
--- a/configure
+++ b/configure
@@ -222,6 +222,7 @@ External library support:
--enable-libdcadec enable DCA decoding via libdcadec [no]
--enable-libfaac enable AAC encoding via libfaac [no]
--enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
+ --enable-libfftw3 enable FFT computation via libfftw3 [no]
--enable-libflite enable flite (voice synthesis) support via libflite
[no]
--enable-libfreetype enable libfreetype, needed for drawtext filter [no]
--enable-libfribidi enable libfribidi, improves drawtext filter [no]
@@ -1471,6 +1472,7 @@ EXTERNAL_LIBRARY_LIST="
libdcadec
libfaac
libfdk_aac
+ libfftw3
libflite
libfontconfig
libfreetype
@@ -4937,6 +4939,7 @@ die_license_disabled_gpl() {
die_license_disabled gpl frei0r
die_license_disabled gpl libcdio
+die_license_disabled gpl libfftw3
die_license_disabled gpl librubberband
die_license_disabled gpl libsmbclient
die_license_disabled gpl libutvideo
@@ -5536,6 +5539,7 @@ enabled libfaac && require2 libfaac "stdint.h
faac.h" faacEncGetVersio
enabled libfdk_aac && { use_pkg_config fdk-aac "fdk-aac/aacenc_lib.h"
aacEncOpen ||
{ require libfdk_aac fdk-aac/aacenc_lib.h
aacEncOpen -lfdk-aac &&
warn "using libfdk without pkg-config"; } }
+enabled libfftw3 && require2 libfftw3f "fftw3.h" fftwf_execute
-lfftw3f -lm
flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal
-lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish
-lflite_cmulex -lflite"
enabled libflite && require2 libflite "flite/flite.h" flite_init
$flite_libs
enabled fontconfig && enable libfontconfig
--
2.7.4
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