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acinclude.m4
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acinclude.m4
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dnl -*- autoconf -*-
AC_DEFUN([MS_CHECK_DEP],[
dnl $1=dependency description
dnl $2=dependency short name, will be suffixed with _CFLAGS and _LIBS
dnl $3=headers's place
dnl $4=lib's place
dnl $5=header to check
dnl $6=lib to check
dnl $7=function to check in library
dep_name=$2
dep_headersdir=$3
dep_libsdir=$4
dep_header=$5
dep_lib=$6
dep_funclib=$7
other_libs=$8
CPPFLAGS_save=$CPPFLAGS
LDFLAGS_save=$LDFLAGS
LIBS_save=$LIBS
case "$target_os" in
*mingw*)
ms_check_dep_mingw_found=yes
;;
esac
if test "$ms_check_dep_mingw_found" != "yes" ; then
CPPFLAGS=`echo "-I$dep_headersdir"|sed -e "s:-I/usr/include[\ ]*$::"`
LDFLAGS=`echo "-L$dep_libsdir"|sed -e "s:-L/usr/lib\(64\)*[\ ]*::"`
else
CPPFLAGS="-I$dep_headersdir"
LDFLAGS="-L$dep_libsdir"
fi
LIBS="-l$dep_lib"
$2_CFLAGS="$CPPFLAGS"
$2_LIBS="$LDFLAGS $LIBS"
AC_CHECK_HEADERS([$dep_header],[AC_CHECK_LIB([$dep_lib],[$dep_funclib],found=yes,found=no, [$other_libs])
],found=no)
if test "$found" = "yes" ; then
eval $2_found=yes
else
eval $2_found=no
eval $2_CFLAGS=
eval $2_LIBS=
fi
AC_SUBST($2_CFLAGS)
AC_SUBST($2_LIBS)
CPPFLAGS=$CPPFLAGS_save
LDFLAGS=$LDFLAGS_save
LIBS=$LIBS_save
])
AC_DEFUN([MS_CHECK_VIDEO],[
dnl conditionnal build of video support
AC_ARG_ENABLE(video,
[AS_HELP_STRING([--enable-video], [Turn on video support compiling (default=yes])],
[case "${enableval}" in
yes) video=true ;;
no) video=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-video) ;;
esac],[video=true])
AC_ARG_ENABLE(ffmpeg,
[AS_HELP_STRING([--disable-ffmpeg], [Disable ffmpeg support])],
[case "${enableval}" in
yes) ffmpeg=true ;;
no) ffmpeg=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-ffmpeg) ;;
esac],[ffmpeg=true])
if test "$video" = "true"; then
if test "$macosx_found" = "yes" ; then
dnl we use quartz+opengl directly on mac os for video display.
enable_sdl_default=false
enable_x11_default=false
enable_glx_default=false
LIBS="$LIBS -framework QTKit -framework CoreVideo "
dnl the following check is necessary but due to automake bug it forces every platform to have an objC compiler !
dnl AC_LANG_PUSH([Objective C])
dnl AC_CHECK_HEADERS([QTKit/QTKit.h],[],[AC_MSG_ERROR([QTKit framework not found, required for video support])])
dnl AC_LANG_POP([Objective C])
elif test "$ios_found" = "yes" ; then
enable_sdl_default=false
enable_x11_default=false
enable_glx_default=false
LIBS="$LIBS -lstdc++"
elif test "$ms_check_dep_mingw_found" = "yes" ; then
enable_sdl_default=false
enable_x11_default=false
enable_glx_default=false
else
enable_sdl_default=false
enable_x11_default=true
enable_glx_default=true
fi
if test "$ffmpeg" = "true"; then
dnl test for ffmpeg presence
PKG_CHECK_MODULES(FFMPEG, [libavcodec >= 51.0.0 ],avcodec_found=yes , avcodec_found=no)
if test x$avcodec_found = xno ; then
AC_MSG_WARN([Could not find libavcodec (from ffmpeg) headers and library.])
else
FFMPEG_LIBS="$FFMPEG_LIBS -lavutil"
fi
PKG_CHECK_MODULES(SWSCALE, [libswscale >= 0.7.0 ],swscale_found=yes , swscale_found=no)
if test x$swscale_found = xno ; then
AC_MSG_ERROR([Could not find libswscale (from ffmpeg) headers and library. This is mandatory for video support])
fi
dnl check for new/old ffmpeg header file layout
CPPFLAGS_save=$CPPFLAGS
CPPFLAGS="$FFMPEG_CFLAGS $CPPFLAGS -Wno-error"
AC_CHECK_HEADERS(libavcodec/avcodec.h)
AC_CHECK_HEADER(libavcodec/old_codec_ids.h,[ old_codec_ids_found=yes
AC_DEFINE(HAVE_AVCODEC_OLD_CODEC_IDS,1,[for compatibility purpose with old ffmpeg])]
,[old_codec_ids_found=no],[#include "libavcodec/avcodec.h"])
AC_MSG_CHECKING([AV_CODEC_ID_SNOW])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libavcodec/avcodec.h>]],
[[enum AVCodecID toto=AV_CODEC_ID_SNOW;if(toto){}]])]
,[if test x$old_codec_ids_found = xno ; then
AC_DEFINE(CODEC_ID_SNOW,AV_CODEC_ID_SNOW,[for compatibility purpose with old ffmpeg])
fi
AC_DEFINE(HAVE_AVCODEC_SNOW,1,[for compatibility purpose with old ffmpeg])
AC_MSG_RESULT([found])]
,[AC_MSG_RESULT([not found])])
AC_MSG_CHECKING([CODEC_ID_SNOW])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libavcodec/avcodec.h>]],
[[enum CodecID toto=CODEC_ID_SNOW;if (toto){}]])]
,[AC_DEFINE(HAVE_AVCODEC_SNOW,1,[for compatibility purpose with old ffmpeg])
AC_MSG_RESULT([found])]
,[AC_MSG_RESULT([not found])])
CPPFLAGS=$CPPFLAGS_save
LIBS_save=$LIBS
dnl to workaround a bug on debian and ubuntu, check if libavcodec needs -lvorbisenc to compile
AC_CHECK_LIB(avcodec,avcodec_register_all, novorbis=yes , [
LIBS="$LIBS -lvorbisenc"
], $FFMPEG_LIBS )
LIBS=$LIBS_save
dnl when swscale feature is not provided by
dnl libswscale, its features are swallowed by
dnl libavcodec, but without swscale.h and without any
dnl declaration into avcodec.h (this is to be
dnl considered as an ffmpeg bug).
dnl
dnl #if defined(HAVE_LIBAVCODEC_AVCODEC_H) && !defined(HAVE_LIBSWSCALE_SWSCALE_H)
dnl # include "swscale.h" // private linhone swscale.h
dnl #endif
CPPFLAGS_save=$CPPFLAGS
CPPFLAGS="$SWSCALE_CFLAGS $CPPFLAGS -Wno-error"
AC_CHECK_HEADERS(libswscale/swscale.h)
CPPFLAGS=$CPPFLAGS_save
LIBS_save=$LIBS
dnl check if we need to emulate newer functions
AC_CHECK_LIB(avcodec,avcodec_get_context_defaults3, [AC_DEFINE([HAVE_FUN_avcodec_get_context_defaults3], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
AC_CHECK_LIB(avcodec,avcodec_open2, [AC_DEFINE([HAVE_FUN_avcodec_open2], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
AC_CHECK_LIB(avcodec,avcodec_encode_video2, [AC_DEFINE([HAVE_FUN_avcodec_encode_video2], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
AC_CHECK_LIB(avutil,av_frame_alloc, [AC_DEFINE([HAVE_FUN_av_frame_alloc], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
AC_CHECK_LIB(avutil,av_frame_free, [AC_DEFINE([HAVE_FUN_av_frame_free], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
AC_CHECK_LIB(avutil,av_frame_unref, [AC_DEFINE([HAVE_FUN_av_frame_unref], [], [Have ffmpeg function])] , , $FFMPEG_LIBS )
LIBS=$LIBS_save
AC_ARG_ENABLE(sdl,
[AS_HELP_STRING([--disable-sdl], [Disable SDL support (default: disabled except on macos)])],
[case "${enableval}" in
yes) enable_sdl=true ;;
no) enable_sdl=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-sdl) ;;
esac],[enable_sdl=$enable_sdl_default])
sdl_found="false"
if test "$enable_sdl" = "true"; then
PKG_CHECK_MODULES(SDL, [sdl >= 1.2.0 ],sdl_found=true,[AC_MSG_ERROR([No SDL library found])])
fi
AC_ARG_ENABLE(x11,
[AS_HELP_STRING([--disable-x11], [Disable X11 support])],
[case "${enableval}" in
yes) enable_x11=true ;;
no) enable_x11=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-x11) ;;
esac],[enable_x11=$enable_x11_default])
if test "$enable_x11" = "true"; then
AC_CHECK_HEADERS(X11/Xlib.h)
else
enable_xv=no
enable_glx=no
fi
AC_ARG_ENABLE(xv,
[AS_HELP_STRING([--enable-xv], [Enable xv support])],
[case "${enableval}" in
yes) enable_xv=true ;;
no) enable_xv=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-xv) ;;
esac],[enable_xv=$enable_x11_default])
if test "$enable_xv" = "true"; then
AC_CHECK_HEADERS(X11/extensions/Xv.h,[] ,[enable_xv=false])
AC_CHECK_HEADERS(X11/extensions/Xvlib.h,[] ,[enable_xv=false],[
#include <X11/Xlib.h>
])
AC_CHECK_LIB(Xv,XvCreateImage,[LIBS="$LIBS -lXv"],[enable_xv=false])
if test "$enable_xv" = "false" ; then
AC_MSG_ERROR([No X video output API found. Please install X11+Xv headers.])
fi
fi
fi
AC_ARG_ENABLE(glx,
[AS_HELP_STRING([--enable-glx], [Enable X11+OpenGL rendering support (requires glx and glew)])],
[case "${enableval}" in
yes) enable_glx=true ;;
no) enable_glx=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-glx) ;;
esac],[enable_glx=$enable_glx_default])
if test "$enable_glx" = "true"; then
AC_CHECK_HEADERS(GL/gl.h,[] ,[enable_glx=false])
AC_CHECK_HEADERS(GL/glx.h,[] ,[enable_glx=false],[
#include <GL/glx.h>
])
if test "$enable_glx" = "false" ; then
AC_MSG_ERROR([No GL/GLX API found. Please install GL and GLX headers.])
fi
PKG_CHECK_MODULES(GLEW,[glew >= 1.5])
AC_CHECK_HEADERS(X11/Xlib.h)
AC_DEFINE(HAVE_GLX, 1, [defined if GLX is available])
fi
AC_ARG_ENABLE(theora,
[AS_HELP_STRING([--disable-theora], [Disable theora support])],
[case "${enableval}" in
yes) theora=true ;;
no) theora=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-theora) ;;
esac],[theora=true])
if test x$theora = xtrue; then
PKG_CHECK_MODULES(THEORA, [theora >= 1.0alpha7 ], [have_theora=yes],
[have_theora=no])
fi
AC_ARG_ENABLE(vp8,
[AS_HELP_STRING([--disable-vp8], [Disable vp8 support])],
[case "${enableval}" in
yes) vp8=true ;;
no) vp8=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --disable-vp8) ;;
esac],[vp8=true])
vp8dir=/usr
if test x$vp8 = xtrue; then
PKG_CHECK_MODULES(VP8, [vpx >= 0.9.6 ], [have_vp8=yes],
[have_vp8=no])
if test "$have_vp8" = "no" ; then
MS_CHECK_DEP([VP8 codec],[VP8],[${vp8dir}/include],
[${vp8dir}/lib],[vpx/vpx_encoder.h],[vpx],[vpx_codec_encode])
if test "$VP8_found" = "yes" ; then
have_vp8=yes
fi
fi
fi
if test "$ffmpeg" = "false"; then
FFMPEG_CFLAGS=" $FFMPEG_CFLAGS -DNO_FFMPEG"
fi
VIDEO_CFLAGS=" $FFMPEG_CFLAGS -DVIDEO_ENABLED"
VIDEO_LIBS=" $FFMPEG_LIBS $SWSCALE_LIBS"
if test "$sdl_found" = "true" ; then
VIDEO_CFLAGS="$VIDEO_CFLAGS $SDL_CFLAGS -DHAVE_SDL"
VIDEO_LIBS="$VIDEO_LIBS $SDL_LIBS"
fi
if test "${ac_cv_header_X11_Xlib_h}" = "yes" ; then
VIDEO_LIBS="$VIDEO_LIBS -lX11"
fi
if test "$mingw_found" = "yes" ; then
VIDEO_LIBS="$VIDEO_LIBS -lvfw32 -lgdi32"
fi
if test "$ios_found" = "yes" ; then
LIBS="$LIBS -framework AVFoundation -framework CoreVideo -framework CoreMedia"
fi
if test "$enable_glx" = "true"; then
VIDEO_LIBS="$VIDEO_LIBS -lGL -lGLEW"
VIDEO_CFLAGS="$VIDEO_CFLAGS -DHAVE_GL"
fi
if test "$enable_xv" = "true"; then
VIDEO_CFLAGS="$VIDEO_CFLAGS -DHAVE_XV"
fi
fi
AC_SUBST(VIDEO_CFLAGS)
AC_SUBST(VIDEO_LIBS)
])