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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)
AC_ARG_WITH(faad,
AS_HELP_STRING([--with-faad=PFX],
[prefix where faad2 is installed (optional)]),,
faad_prefix="")
AC_ARG_WITH(faad-libraries,
AS_HELP_STRING([--with-faad-libraries=DIR],
[directory where faad2 library is installed (optional)]),,
faad_libraries="")
AC_ARG_WITH(faad-includes,
AS_HELP_STRING([--with-faad-includes=DIR],
[directory where faad2 header files are installed (optional)]),,
faad_includes="")
if test x$enable_aac = xyes; then
if test "x$faad_libraries" != "x" ; then
FAAD_LIBS="-L$faad_libraries"
elif test "x$faad_prefix" != "x" ; then
FAAD_LIBS="-L$faad_prefix/lib"
fi
FAAD_LIBS="$FAAD_LIBS -lfaad"
if test "x$faad_includes" != "x" ; then
FAAD_CFLAGS="-I$faad_includes"
elif test "x$faad_prefix" != "x" ; then
FAAD_CFLAGS="-I$faad_prefix/include"
fi
oldcflags=$CFLAGS
oldlibs=$LIBS
oldcppflags=$CPPFLAGS
CFLAGS="$CFLAGS $FAAD_CFLAGS -I."
LIBS="$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_DECL(faacDecInit2,,enable_aac=no,[#include <faad.h>])
fi
if test x$enable_aac = xyes; then
AC_CHECK_LIB(faad,faacDecInit2,,enable_aac=no)
if test x$enable_aac = xno; then
enable_aac=yes
AC_CHECK_LIB(faad,NeAACDecInit2,,enable_aac=no)
fi
fi
if test x$enable_aac = xyes; then
AC_MSG_CHECKING(that FAAD2 uses buffer and bufferlen)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <faad.h>
int main() {
char buffer;
long bufferlen = 0;
faacDecHandle decoder;
faacDecFrameInfo frameInfo;
faacDecConfigurationPtr config;
unsigned char channels;
long sampleRate;
mp4AudioSpecificConfig mp4ASC;
decoder = faacDecOpen();
config = faacDecGetCurrentConfiguration(decoder);
config->outputFormat = FAAD_FMT_16BIT;
faacDecSetConfiguration(decoder,config);
AudioSpecificConfig(&buffer, bufferlen, &mp4ASC);
faacDecInit(decoder,&buffer,bufferlen,&sampleRate,&channels);
faacDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels);
faacDecDecode(decoder,&frameInfo,&buffer,bufferlen);
return 0;
}
])],[AC_MSG_RESULT(yes);AC_DEFINE(HAVE_FAAD_BUFLEN_FUNCS,1,[Define if FAAD2 uses buflen in function calls])],[AC_MSG_RESULT(no);
AC_MSG_CHECKING(that FAAD2 can even be used)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <faad.h>
int main() {
char buffer;
faacDecHandle decoder;
faacDecFrameInfo frameInfo;
faacDecConfigurationPtr config;
unsigned char channels;
long sampleRate;
long bufferlen = 0;
unsigned long dummy1_32;
unsigned char dummy2_8, dummy3_8, dummy4_8, dummy5_8, dummy6_8,
dummy7_8, dummy8_8;
decoder = faacDecOpen();
config = faacDecGetCurrentConfiguration(decoder);
config->outputFormat = FAAD_FMT_16BIT;
faacDecSetConfiguration(decoder,config);
AudioSpecificConfig(&buffer,&dummy1_32,&dummy2_8,
&dummy3_8,&dummy4_8,&dummy5_8,
&dummy6_8,&dummy7_8,&dummy8_8);
faacDecInit(decoder,&buffer,&sampleRate,&channels);
faacDecInit2(decoder,&buffer,bufferlen,&sampleRate,&channels);
faacDecDecode(decoder,&frameInfo,&buffer);
faacDecClose(decoder);
return 0;
}
])],AC_MSG_RESULT(yes),[AC_MSG_RESULT(no);enable_aac=no])
])
fi
if test x$enable_aac = xyes; then
AC_CHECK_MEMBERS([faacDecConfiguration.downMatrix,faacDecConfiguration.dontUpSampleImplicitSBR,faacDecFrameInfo.samplerate],,,[#include <faad.h>])
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;
faacDecInit2(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
fi
AC_SUBST(FAAD_CFLAGS)
AC_SUBST(FAAD_LIBS)
])
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