AC_DEFUN([AM_PATH_FAAD],
[dnl ##
dnl faad
dnl ##
AC_ARG_ENABLE(aac,
AS_HELP_STRING([--disable-aac],
[disable AAC support (default: enable)]),,
enable_aac=yes)
if test x$enable_aac = xyes; then
FAAD_LIBS="-lfaad"
FAAD_CFLAGS=""
oldcflags=$CFLAGS
oldlibs=$LIBS
oldcppflags=$CPPFLAGS
CFLAGS="$CFLAGS $FAAD_CFLAGS"
LIBS="$LIBS $FAAD_LIBS"
CPPFLAGS=$CFLAGS
AC_CHECK_HEADER(faad.h,,enable_aac=no)
if test x$enable_aac = xyes; then
AC_CHECK_DECL(FAAD2_VERSION,,enable_aac=no,[#include <faad.h>])
fi
if test x$enable_aac = xyes; then
AC_CHECK_LIB(faad,NeAACDecInit2,,enable_aac=no)
fi
if test x$enable_aac = xyes; then
AC_MSG_CHECKING(that FAAD2 can even be used)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <faad.h>
int main() {
char buffer;
NeAACDecHandle decoder;
NeAACDecFrameInfo frameInfo;
NeAACDecConfigurationPtr config;
unsigned char channels;
long sampleRate;
long bufferlen = 0;
decoder = NeAACDecOpen();
config = NeAACDecGetCurrentConfiguration(decoder);
config->outputFormat = FAAD_FMT_16BIT;
NeAACDecSetConfiguration(decoder,config);
NeAACDecInit(decoder,&buffer,bufferlen,&sampleRate,&channels);
NeAACDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels);
NeAACDecDecode(decoder,&frameInfo,&buffer,bufferlen);
NeAACDecClose(decoder);
return 0;
}
])],AC_MSG_RESULT(yes),[AC_MSG_RESULT(no);enable_aac=no])
fi
if test x$enable_aac = xyes; then
AC_DEFINE(HAVE_FAAD,1,[Define to use FAAD2 for AAC decoding])
else
AC_MSG_WARN([faad2 lib needed for MP4/AAC support -- disabling MP4/AAC support])
fi
CFLAGS=$oldcflags
LIBS=$oldlibs
CPPFLAGS=$oldcppflags
fi
if test x$enable_aac = xyes; then
oldcflags=$CFLAGS
oldlibs=$LIBS
oldcppflags=$CPPFLAGS
CFLAGS="$CFLAGS $FAAD_CFLAGS -Werror"
LIBS="$LIBS $FAAD_LIBS"
CPPFLAGS=$CFLAGS
AC_MSG_CHECKING(for broken libfaad headers)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <faad.h>
#include <stddef.h>
#include <stdint.h>
int main() {
unsigned char channels;
uint32_t sample_rate;
NeAACDecInit2(NULL, NULL, 0, &sample_rate, &channels);
return 0;
}
])],
[AC_MSG_RESULT(correct)],
[AC_MSG_RESULT(broken);
AC_DEFINE(HAVE_FAAD_LONG, 1, [Define if faad.h uses the broken "unsigned long" pointers])])
CFLAGS=$oldcflags
LIBS=$oldlibs
CPPFLAGS=$oldcppflags
else
FAAD_LIBS=""
FAAD_CFLAGS=""
fi
AC_SUBST(FAAD_CFLAGS)
AC_SUBST(FAAD_LIBS)
])
