configure.ac

AM_CONDITIONAL(HAVE_ASDCP, [test "${have_asdcp}" = "yes"])

dnl
dnl  Demux plugins
dnl

EXTEND_HELP_STRING([Mux/Demux plugins:])

dnl
dnl  libdvbpsi check for ts mux/demux
dnl
have_dvbpsi="no"
PKG_WITH_MODULES([DVBPSI], [libdvbpsi >= 1.2.0], [have_dvbpsi="yes"])
AM_CONDITIONAL(HAVE_DVBPSI, [test "${have_dvbpsi}" = "yes"])


dnl
dnl  GME demux plugin
dnl
AC_ARG_ENABLE(gme,
  [AS_HELP_STRING([--enable-gme],
    [use Game Music Emu (default auto)])])
AS_IF([test "${enable_gme}" != "no"], [
  AC_CHECK_HEADER([gme/gme.h], [
    VLC_ADD_LIBS([gme], [-lgme])
    VLC_ADD_PLUGIN([gme])
  ], [
    AS_IF([test "x${enable_gme}" != "x"], [
      AC_MSG_ERROR([GME cannot be found. Please install the development files.])
    ])
  ])
])


dnl
dnl  SIDPlay plugin
dnl
AC_ARG_ENABLE(sid,
    [AS_HELP_STRING([--enable-sid],[C64 sid demux support (default auto)])])
AS_IF([test "${enable_sid}" != "no"], [
    PKG_CHECK_MODULES(SID, [libsidplay2], [
        AC_LANG_PUSH(C++)
        oldCPPFLAGS="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $SID_CFLAGS"
        AC_CHECK_HEADER([sidplay/builders/resid.h], [
            VLC_ADD_PLUGIN([sid])
            VLC_ADD_CFLAGS([sid], [$SID_CFLAGS])
            VLC_ADD_LIBS([sid], [$SID_LIBS] [-lresid-builder])
        ], [
            AS_IF([test -n "${enable_sid}"],
                [AC_MSG_ERROR([${SID_PKG_ERRORS} (required for sid).])],
                [AC_MSG_WARN([${SID_PKG_ERRORS} (required for sid).])]
                )
        ])
        CPPFLAGS="$oldCPPFLAGS"
        AC_LANG_POP(C++)
    ], [
        AS_IF([test "x${enable_sid}" = "xyes"],
            [AC_MSG_ERROR([${SID_PKG_ERRORS} (required for sid).])],
            [AC_MSG_WARN([${SID_PKG_ERRORS} (required for sid).])]
            )
    ])
])


dnl
dnl  ogg demux plugin
dnl
PKG_ENABLE_MODULES_VLC([OGG], [mux_ogg], [ogg >= 1.0], [Ogg demux support], [auto])
PKG_CHECK_MODULES(LIBVORBIS, [vorbis >= 1.1], [
    AC_DEFINE(HAVE_LIBVORBIS, 1, [Define to 1 if you have the libvorbis])
],[true])
PKG_ENABLE_MODULES_VLC([OGG], [], [ogg >= 1.0], [Ogg demux support], [auto], [${LIBVORBIS_CFLAGS}], [${LIBVORBIS_LIBS}])
if test "${enable_sout}" != "no"; then
dnl Check for libshout
    PKG_ENABLE_MODULES_VLC([SHOUT], [access_output_shout], [shout >= 2.1], [libshout output plugin], [auto])
fi

dnl
dnl  matroska demux plugin
dnl
PKG_ENABLE_MODULES_VLC([MATROSKA], [mkv], [libebml libmatroska], [MKV format support], [auto])

dnl
dnl  modplug demux plugin
dnl
AC_ARG_ENABLE(mod,
  [AS_HELP_STRING([--disable-mod],
    [do not use libmodplug (default auto)])])
if test "${enable_mod}" != "no" ; then
    PKG_CHECK_MODULES(LIBMODPLUG, [libmodplug >= 0.8.4 libmodplug != 0.8.8], [
          VLC_ADD_PLUGIN([mod])
          VLC_ADD_CXXFLAGS([mod],[$LIBMODPLUG_CFLAGS])
          VLC_ADD_CFLAGS([mod],[$LIBMODPLUG_CFLAGS]) #modules/demux/mod.c needs CFLAGS_mod, not CXXFLAGS_mod
          VLC_ADD_LIBS([mod],[$LIBMODPLUG_LIBS])
    ],[
       AS_IF([test -n "${enable_mod}"],
         [AC_MSG_ERROR([${LIBMODPLUG_PKG_ERRORS}.])],
         [AC_MSG_WARN([${LIBMODPLUG_PKG_ERRORS}.])])
    ])
fi

dnl
dnl  mpc demux plugin
dnl
AC_ARG_ENABLE(mpc,
  [AS_HELP_STRING([--disable-mpc], [do not use libmpcdec (default auto)])])
if test "${enable_mpc}" != "no"
then
  AC_CHECK_HEADERS([mpc/mpcdec.h], [
    VLC_ADD_PLUGIN([mpc])
    VLC_ADD_LIBS([mpc],[-lmpcdec])],
    [AC_CHECK_HEADERS([mpcdec/mpcdec.h], [
    VLC_ADD_PLUGIN([mpc])
    VLC_ADD_LIBS([mpc],[-lmpcdec])])])
fi

dnl
dnl  Codec plugins
dnl

EXTEND_HELP_STRING([Codec plugins:])

dnl
dnl wmafixed plugin
dnl
AC_ARG_ENABLE(wma-fixed,
  [  --enable-wma-fixed      libwma-fixed module (default disabled)])
if test "${enable_wma_fixed}" = "yes"
then
  VLC_ADD_PLUGIN([wma_fixed])
fi

dnl
dnl shine encoder plugin
dnl
PKG_ENABLE_MODULES_VLC([SHINE], [], [shine >= 3.0.0], [MPEG Audio Layer 3 encoder], [auto], [], [], [])


dnl
dnl openmax il codec plugin
dnl
AC_ARG_ENABLE(omxil,
  [  --enable-omxil          openmax il codec module (default disabled)])
if test "${enable_omxil}" = "yes"
then
  VLC_ADD_PLUGIN([omxil])
fi

dnl
dnl openmax il vout plugin
dnl
AC_ARG_ENABLE(omxil-vout,
  [  --enable-omxil-vout     openmax il video output module (default disabled)])
if test "${enable_omxil_vout}" = "yes"
then
  VLC_ADD_PLUGIN([omxil_vout])
fi

dnl
dnl raspberry pi openmax il configuration
dnl
AC_ARG_ENABLE(rpi-omxil,
  [  --enable-rpi-omxil     openmax il configured for raspberry pi (default disabled)])
if test "${enable_rpi_omxil}" = "yes"
then
  VLC_ADD_PLUGIN([omxil omxil_vout])
  VLC_ADD_CFLAGS([omxil omxil_vout],[-DRPI_OMX])
fi

dnl
dnl CrystalHD codec plugin
dnl
AC_ARG_ENABLE(crystalhd,
  [  --enable-crystalhd      crystalhd codec plugin (default auto)])
if test "${enable_crystalhd}" != "no"; then
    AC_CHECK_HEADER(libcrystalhd/libcrystalhd_if.h, [
      VLC_ADD_PLUGIN([crystalhd])
      VLC_ADD_LIBS([crystalhd], [-lcrystalhd])
    ],[
      if test "${SYS}" = "mingw32" ; then
        AC_CHECK_HEADERS(libcrystalhd/bc_dts_defs.h, [
          VLC_ADD_PLUGIN([crystalhd])
          AC_CHECK_HEADERS(libcrystalhd/bc_drv_if.h, [
            VLC_ADD_LIBS([crystalhd], [-lbcmDIL])
            ])
        ],[
          AS_IF([test x"${enable_crystalhd}" = "xyes"],
                [AC_MSG_ERROR("Could not find CrystalHD development headers")],
                [AC_MSG_WARN("Could not find CrystalHD development headers")])
        ],[#define __LINUX_USER__
               #include <libcrystalhd/bc_dts_types.h>
        ])
      fi
    ],[
       #include <libcrystalhd/bc_dts_types.h>
      ])
fi

dnl
dnl  mad plugin
dnl
have_mad="no"
MAD_CFLAGS=""
MAD_LIBS=""

AC_ARG_WITH(mad, [  --with-mad=PATH         path to libmad], [
  enable_mad="yes"
], [
  with_mad="no"
])
AS_IF([test "${with_mad}" != "no"], [
  MAD_CFLAGS="-I${with_mad}/include"
  MAD_LIBS="-L${with_mad}/lib"
])

AC_ARG_ENABLE(mad,
  [  --enable-mad            libmad module (default enabled)])
AS_IF([test "${enable_mad}" != "no"], [
  VLC_SAVE_FLAGS
  CPPFLAGS="${CPPFLAGS} ${MAD_CFLAGS}"
  LDFLAGS="${LDFLAGS} ${MAD_LIBS}"
  AC_CHECK_HEADERS(mad.h, [
    AC_CHECK_LIB(mad, mad_bit_init, [
      have_mad="yes"
      MAD_LIBS="${MAD_LIBS} -lmad"
    ])
  ])
  VLC_RESTORE_FLAGS
  AS_IF([test -n "$enable_mad" -a "${have_mad}" = "no"], [
    AC_MSG_ERROR([Could not find libmad. Install it or pass --disable-mad to disable it.])
  ])
])
AC_SUBST(MAD_CFLAGS)
AC_SUBST(MAD_LIBS)
AM_CONDITIONAL([HAVE_MAD], [test "${have_mad}" = "yes"])

dnl  mpg123 plugin
dnl
dnl
PKG_ENABLE_MODULES_VLC([MPG123], [mpg123], [libmpg123], [libmpg123 decoder support], [auto])

dnl
dnl gstreamer stuff
dnl
AC_ARG_ENABLE(gst-decode,
  [  --enable-gst-decode     GStreamer based decoding support (currently supports only video decoding) (default auto)])

have_gst_decode="no"
AS_IF([test "${enable_gst_decode}" != "no"], [
  PKG_CHECK_MODULES([GST_APP], [gstreamer-app-1.0], [
    PKG_CHECK_MODULES([GST_VIDEO], [gstreamer-video-1.0], [
      have_gst_decode="yes"
    ], [
      AC_MSG_WARN([${GST_VIDEO_PKG_ERRORS}. GStreamer decoder module will not be built.])
    ])
  ], [
    AC_MSG_WARN([${GST_APP_PKG_ERRORS}. GStreamer modules will not be built.])
  ])
])
AM_CONDITIONAL([HAVE_GST_DECODE], [test "${have_gst_decode}" = "yes"])

dnl
dnl  avcodec decoder/encoder plugin
dnl
AC_ARG_ENABLE(merge-ffmpeg,
[  --enable-merge-ffmpeg   merge FFmpeg-based plugins (default disabled)],, [
  enable_merge_ffmpeg="no"
])
AM_CONDITIONAL([MERGE_FFMPEG], [test "$enable_merge_ffmpeg" != "no"])

AC_MSG_CHECKING([for libavutil variant])
PKG_CHECK_EXISTS([libavutil], [
  libavutil_version="$(${PKG_CONFIG} --modversion libavutil)"
  libavutil_micro="${libavutil_version##*.}"
  AS_IF([test ${libavutil_micro} -le 99], [
    avfork="libav"
  ], [
    avfork="ffmpeg"
  ])
], [
  avfork="none"
])
AC_MSG_RESULT([${avfork}])

AC_ARG_ENABLE(avcodec,
[  --enable-avcodec        libavcodec codec (default enabled)])
AS_IF([test "${enable_avcodec}" != "no"], [
  dnl We need >=57.16.0 from libav or >=57.37.100 from ffmpeg
  case "${avfork}" in
    libav) av_codec_ver="57.16.0" ;;
    ffmpeg) av_codec_ver="57.37.100" ;;
    *) AC_MSG_ERROR([Missing libav or FFmpeg])
  esac
  PKG_CHECK_MODULES(AVCODEC,[libavcodec >= ${av_codec_ver} libavutil >= 52.0.0], [
    VLC_SAVE_FLAGS
    CPPFLAGS="${CPPFLAGS} ${AVCODEC_CFLAGS}"
    CFLAGS="${CFLAGS} ${AVCODEC_CFLAGS}"
    AC_CHECK_HEADERS(libavcodec/avcodec.h)
    AC_CHECK_HEADERS(libavutil/avutil.h)
    VLC_RESTORE_FLAGS
    have_avcodec="yes"
  ],[
    AC_MSG_ERROR([${AVCODEC_PKG_ERRORS}. Pass --disable-avcodec to ignore this error.])
  ])
], [
  have_avcodec="no"
])
AM_CONDITIONAL([HAVE_AVCODEC], [test "${have_avcodec}" != "no"])

dnl
dnl libva needs avcodec
dnl
AC_ARG_ENABLE(libva,
  [  --enable-libva          VAAPI GPU decoding support (libVA) (default auto)])

AS_IF([test "${enable_libva}" = "yes" -a "${have_avcodec}" != "yes" ], [
  AC_MSG_ERROR([--enable-libva and --disable-avcodec options are mutually exclusive. Use --enable-avcodec.])
])

have_vaapi="no"
have_vaapi_drm="no"
have_vaapi_x11="no"
AS_IF([test "${enable_libva}" != "no"], [
  PKG_CHECK_MODULES([LIBVA], [libva >= 0.38], [
    have_vaapi="yes"
  ], [
    AS_IF([test -n "${enable_libva}"], [
      AC_MSG_ERROR([${LIBVA_PKG_ERRORS}.])
    ], [
      AC_MSG_WARN([${LIBVA_PKG_ERRORS}.])
    ])
  ])
  PKG_CHECK_MODULES([LIBVA_DRM], [libva-drm], [
    have_vaapi_drm="yes"
  ], [
    AC_MSG_WARN([${LIBVA_DRM_PKG_ERRORS}.])
  ])
  PKG_CHECK_MODULES(LIBVA_X11, [libva-x11], [
    have_vaapi_x11="yes"
  ], [
    AC_MSG_WARN([${LIBVA_X11_PKG_ERRORS}.])
  ])
])
AM_CONDITIONAL([HAVE_VAAPI_DRM], [test "${have_vaapi_drm}" = "yes"])
AM_CONDITIONAL([HAVE_VAAPI_X11], [test "${have_vaapi_x11}" = "yes"])

have_avcodec_vaapi="no"
AS_IF([test "${have_vaapi}" = "yes" -a "${have_avcodec}" = "yes"], [
  VLC_SAVE_FLAGS
  CPPFLAGS="${CPPFLAGS} ${AVCODEC_CFLAGS}"
  CFLAGS="${CFLAGS} ${AVCODEC_CFLAGS}"
  AC_CHECK_HEADERS([libavcodec/vaapi.h], [
    AC_MSG_NOTICE([VA API acceleration activated])
    have_avcodec_vaapi="yes"
  ],[
    AS_IF([test -n "${enable_libva}"], [
      AC_MSG_ERROR([libva is present but libavcodec/vaapi.h is missing])
    ], [
      AC_MSG_WARN([libva is present but libavcodec/vaapi.h is missing ])
    ])
  ])
  VLC_RESTORE_FLAGS
])
AM_CONDITIONAL([HAVE_AVCODEC_VAAPI], [test "${have_avcodec_vaapi}" = "yes"])

dnl
dnl dxva2 needs avcodec
dnl
AC_ARG_ENABLE(dxva2,
  [  --enable-dxva2          DxVA2 GPU decoding support (default auto)])

have_avcodec_dxva2="no"
AS_IF([test "${enable_dxva2}" != "no"], [
  if test "${SYS}" = "mingw32"; then
  AS_IF([test "x${have_avcodec}" = "xyes"], [
    AC_CHECK_HEADERS(dxva2api.h,
      [
        AC_CHECK_HEADERS(libavcodec/dxva2.h, [
           AC_MSG_NOTICE([DxVA2 acceleration activated])
           have_avcodec_dxva2="yes"
        ],[
    AS_IF([test "${enable_dxva2}" = "yes"],
          [AC_MSG_ERROR([dxva2 is present but libavcodec/dxva2.h is missing])],
              [AC_MSG_WARN([dxva2 is present but libavcodec/dxva2.h is missing ])])
        ], [#undef _WIN32_WINNT
            /* DXVA2 is only available in Vista and above */
            #define _WIN32_WINNT 0x600])
      ],[
    AS_IF([test "${enable_dxva2}" = "yes"],
              [AC_MSG_ERROR([Could not find required dxva2api.h])],
              [AC_MSG_WARN([dxva2api.h not found])])
      ],[#include <d3d9.h>])
  ],[
    AS_IF([test "x${enable_dxva2}" != "x"], [
      AC_MSG_ERROR([--enable-dxva2 and --disable-avcodec options are mutually exclusive.])
    ])
  ])
  fi
])
AM_CONDITIONAL([HAVE_AVCODEC_DXVA2], [test "${have_avcodec_dxva2}" = "yes"])

dnl
dnl d3d11va needs avcodec
dnl
AC_ARG_ENABLE(d3d11va,
  [  --enable-d3d11va          D3D11 GPU decoding support (default auto)])

have_avcodec_d3d11va="no"
AS_IF([test "${enable_d3d11va}" != "no"], [
  if test "${SYS}" = "mingw32"; then
  AS_IF([test "x${have_avcodec}" = "xyes"], [
        AC_CHECK_TYPES([ID3D11VideoDecoder],
          [
            AC_CHECK_HEADERS(dxva2api.h,
              [
                AC_CHECK_HEADERS(libavcodec/d3d11va.h, [
                   AC_MSG_NOTICE([D3D11 acceleration activated])
                   AC_DEFINE(HAVE_AVCODEC_D3D11VA, 1, [Define if the d3d11va module is built])
                   have_avcodec_d3d11va="yes"
                ],[
                  AS_IF([test "${enable_d3d11va}" = "yes"],
                    [AC_MSG_ERROR([d3d11va is present but libavcodec/d3d11va.h is missing])],
                        [AC_MSG_WARN([d3d11va is present but libavcodec/d3d11va.h is missing ])])
                  ], [#undef _WIN32_WINNT
                      /* D3D11 is only available in Vista and above */
                      #define _WIN32_WINNT 0x600])
                  ],[
                    AS_IF([test "${enable_d3d11va}" = "yes"],
                          [AC_MSG_ERROR([Could not find required dxva2api.h])],
                          [AC_MSG_WARN([dxva2api.h not found])])
                  ],[#include <d3d9.h>])
          ],[
            AS_IF([test "${enable_d3d11va}" = "yes"],
                  [AC_MSG_ERROR([Could not find required ID3D11VideoDecoder in d3d11.h])],
                  [AC_MSG_WARN([ID3D11VideoDecoder not found])])
          ], [#include <d3d11.h>])
  ],[
    AS_IF([test "x${enable_d3d11va}" != "x"], [
      AC_MSG_ERROR([--enable-d3d11va and --disable-avcodec options are mutually exclusive.])
    ])
  ])
  fi
])
AM_CONDITIONAL([HAVE_AVCODEC_D3D11VA], [test "${have_avcodec_d3d11va}" = "yes"])

dnl
dnl DXGI debug
dnl
AC_CHECK_HEADERS(dxgidebug.h)

dnl
dnl  avformat demuxer/muxer plugin
dnl

AC_ARG_ENABLE(avformat,
[  --enable-avformat       libavformat containers (default enabled)],, [
  enable_avformat="${have_avcodec}"
])
have_avformat="no"
AS_IF([test "${enable_avformat}" != "no"], [
  PKG_CHECK_MODULES(AVFORMAT,[libavformat >= 53.21.0 libavcodec libavutil], [
      have_avformat="yes"
      VLC_SAVE_FLAGS
      CPPFLAGS="${CPPFLAGS} ${AVFORMAT_CFLAGS}"
      CFLAGS="${CFLAGS} ${AVFORMAT_CFLAGS}"
      AC_CHECK_HEADERS(libavformat/avformat.h libavformat/avio.h)
      AC_CHECK_HEADERS(libavcodec/avcodec.h)
      AC_CHECK_HEADERS(libavutil/avutil.h)
      AS_IF([test "$enable_merge_ffmpeg" = "no"], [
        have_avformat="no"
      ])
      VLC_RESTORE_FLAGS
    ],[
      AC_MSG_ERROR([${AVFORMAT_PKG_ERRORS}. Pass --disable-avformat to ignore this error.])
  ])
])
AM_CONDITIONAL([HAVE_AVFORMAT], [test "${enable_avformat}" != "no"])

dnl
dnl  swscale image scaling and conversion plugin
dnl

AC_ARG_ENABLE(swscale,
  AS_HELP_STRING([--enable-swscale],[libswscale image scaling and conversion
          (default enabled)]))
if test "${enable_swscale}" != "no"
then
  PKG_CHECK_MODULES(SWSCALE,[libswscale],
    [
      VLC_SAVE_FLAGS
      CPPFLAGS="${CPPFLAGS} ${SWSCALE_CFLAGS}"
      CFLAGS="${CFLAGS} ${SWSCALE_CFLAGS}"
      AC_CHECK_HEADERS(libswscale/swscale.h)
      AC_CHECK_HEADERS(libavutil/avutil.h)
      VLC_ADD_PLUGIN([swscale])
      VLC_ADD_LIBS([swscale],[$SWSCALE_LIBS])
      VLC_ADD_CFLAGS([swscale],[$SWSCALE_CFLAGS])
      AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
        VLC_ADD_LIBS([swscale],[${ac_cv_ld_bsymbolic}])
      ])
      VLC_RESTORE_FLAGS
    ],[
      AC_MSG_ERROR([${SWSCALE_PKG_ERRORS}. Pass --disable-swscale to ignore this error. Proper software scaling and some video chroma conversion will be missing.])
  ])
fi

dnl
dnl  postproc plugin
dnl

AC_ARG_ENABLE(postproc,
[  --enable-postproc       libpostproc image post-processing (default auto)])
if test "${enable_postproc}" != "no"
then
  PKG_CHECK_MODULES(POSTPROC,[libpostproc libavutil],
    [
      VLC_SAVE_FLAGS
      CPPFLAGS="${CPPFLAGS} ${POSTPROC_CFLAGS}"
      CFLAGS="${CFLAGS} ${POSTPROC_CFLAGS}"
      AC_CHECK_HEADERS(postproc/postprocess.h)
      VLC_ADD_PLUGIN([postproc])
      VLC_RESTORE_FLAGS
    ],[
      AC_MSG_WARN([${POSTPROC_PKG_ERRORS}.])
  ])
fi

dnl
dnl  faad decoder plugin
dnl
AC_ARG_ENABLE(faad,
[  --enable-faad           faad codec (default auto)])
have_faad="no"
AS_IF([test "${enable_faad}" != "no"], [
  AC_CHECK_HEADERS([neaacdec.h], [
    AC_CHECK_LIB(faad, NeAACDecOpen, [have_faad="yes"],, [$LIBM])

    AS_IF([test "${have_faad}" = "yes"], [
      VLC_ADD_PLUGIN([faad])
      VLC_ADD_LIBS([faad],[-lfaad])
    ], [
      AS_IF([test "${enable_faad}" = "yes"], [
        AC_MSG_ERROR([cannot find FAAD library])
      ], [
        AC_MSG_WARN([cannot find FAAD library])
      ])
    ])
  ])
])

dnl
dnl  AOM decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([AOM], [], [aom], [experimental AV1 codec], [disabled])

dnl
dnl libvpx decoder plugin
dnl
AC_ARG_ENABLE(vpx,
    AS_HELP_STRING([--enable-vpx],[libvpx VP8/VP9 encoder and decoder (default auto)]))
AS_IF([test "${enable_vpx}" != "no"],[
    PKG_CHECK_MODULES([VPX], [vpx >= 1.5.0], [
        VLC_ADD_PLUGIN([vpx])
        VLC_ADD_CPPFLAGS([vpx], [${VPX_CFLAGS}])
        VLC_ADD_LIBS([vpx], [${VPX_LIBS}])
        AC_CHECK_LIB([vpx],[vpx_codec_vp8_dx], [
            VLC_ADD_CPPFLAGS([vpx], [-DENABLE_VP8_DECODER])
        ], [], [${VPX_LIBS}])
        AC_CHECK_LIB([vpx],[vpx_codec_vp9_dx], [
            VLC_ADD_CPPFLAGS([vpx], [-DENABLE_VP9_DECODER])
        ], [], [${VPX_LIBS}])
        AC_CHECK_LIB([vpx],[vpx_codec_vp8_cx], [
            VLC_ADD_CPPFLAGS([vpx], [-DENABLE_VP8_ENCODER])
        ], [], [${VPX_LIBS}])
        AC_CHECK_LIB([vpx],[vpx_codec_vp9_cx], [
            VLC_ADD_CPPFLAGS([vpx], [-DENABLE_VP9_ENCODER])
        ], [], [${VPX_LIBS}])
    ], [
    AS_IF([test "${enable_vpx}" = "yes"],[
        AC_MSG_ERROR([libvpx 1.5.0 or higher was not found])
    ])])
])

dnl
dnl twolame encoder plugin
dnl
PKG_ENABLE_MODULES_VLC([TWOLAME], [], [twolame], [MPEG Audio Layer 2 encoder], [auto], [], [], [ -DLIBTWOLAME_STATIC])

dnl
dnl fdk-aac encoder plugin
dnl
PKG_ENABLE_MODULES_VLC([FDKAAC], [], [fdk-aac], [FDK-AAC encoder], [disabled])


dnl
dnl A52/AC3 decoder plugin
dnl
AC_ARG_ENABLE(a52,
  [  --enable-a52            A/52 support with liba52 (default enabled)])
if test "${enable_a52}" != "no"
then
  AC_ARG_WITH(a52,
    [  --with-a52=PATH         a52 headers and libraries])
    if test -z "${with_a52}"
    then
      LDFLAGS_test=""
      CPPFLAGS_test=""
    else
      LDFLAGS_test="-L${with_a52}/lib"
      CPPFLAGS_test="-I${with_a52}/include"
    fi
    VLC_SAVE_FLAGS
    CPPFLAGS="${CPPFLAGS} ${CPPFLAGS_test} ${CPPFLAGS_a52}"
    LDFLAGS="${LDFLAGS} ${LDFLAGS_test} ${LIBS_a52}"
    AC_CHECK_HEADERS(a52dec/a52.h, [
      AC_CHECK_LIB(a52, a52_free, [
        VLC_ADD_PLUGIN([a52])
        VLC_ADD_LIBS([a52],[${LDFLAGS_test} -la52 $LIBM])
        VLC_ADD_CPPFLAGS([a52],[${CPPFLAGS_test}])
      ],[
        AC_MSG_ERROR([Could not find liba52 on your system: you may get it from http://liba52.sf.net/. Alternatively you can use --disable-a52 to disable the a52 plugin.])
        ], [$LIBM])
    ],[
      AC_MSG_ERROR([Could not find liba52 on your system: you may get it from http://liba52.sf.net/. Alternatively you can use --disable-a52 to disable the a52 plugin.])
    ])
    VLC_RESTORE_FLAGS
fi

dnl
dnl DTS Coherent Acoustics decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([DCA], [dca], [libdca >= 0.0.5], [DTS Coherent Acoustics support with libdca], [auto])

dnl
dnl  Flac plugin
dnl
PKG_ENABLE_MODULES_VLC([FLAC], [], [flac], [libflac decoder/encoder support], [auto])

dnl
dnl  Libmpeg2 plugin
dnl
PKG_ENABLE_MODULES_VLC([LIBMPEG2], [], [libmpeg2 > 0.3.2], [libmpeg2 decoder support], [auto])

dnl
dnl  Vorbis plugin
dnl
PKG_ENABLE_MODULES_VLC([VORBIS], [], [ogg vorbis >= 1.1 vorbisenc >= 1.1], [Vorbis decoder and encoder], [auto])

dnl
dnl  Tremor plugin
dnl
AC_ARG_ENABLE(tremor,
  [  --enable-tremor         Tremor decoder support (default disabled)])
if test "${enable_tremor}" = "yes"
then
  AC_CHECK_HEADERS(tremor/ivorbiscodec.h, [
    VLC_ADD_PLUGIN([tremor])
   ],[])
fi

dnl
dnl  Speex plugins
dnl
PKG_ENABLE_MODULES_VLC([SPEEX], [], [ogg speex >= 1.0.5], [Speex support], [auto])
have_speexdsp="no"
AS_IF([test "${enable_speex}" != "no"], [
  PKG_CHECK_MODULES([SPEEXDSP], [speexdsp], [
    have_speexdsp="yes"
  ], [
    AC_MSG_WARN([${SPEEXDSP_PKG_ERRORS}.])
  ])
])
AM_CONDITIONAL([HAVE_SPEEXDSP], [test "$have_speexdsp" = "yes"])

dnl
dnl  Opus plugin
dnl
PKG_ENABLE_MODULES_VLC([OPUS], [], [ogg opus >= 1.0.3], [Opus support], [auto])

dnl
dnl  theora decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([THEORA], [], [ogg theoradec >= 1.0 theoraenc], [experimental theora codec], [auto])

dnl
dnl  OggSpots decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([OGGSPOTS], [], [ogg], [experimental OggSpots codec], [auto])

dnl
dnl  Daala decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([DAALA], [], [daaladec daalaenc], [experimental daala codec], [disabled])

dnl
dnl  schroedinger decoder plugin (for dirac format video)
dnl
PKG_ENABLE_MODULES_VLC([SCHROEDINGER], [], [schroedinger-1.0 >= 1.0.10], [dirac decoder and encoder using schroedinger], [auto])

dnl
dnl  PNG decoder module
dnl
AC_ARG_ENABLE(png,
  [  --enable-png            PNG support (default enabled)])
AS_IF([test "${enable_png}" != "no"], [
AC_CHECK_HEADERS(png.h, [
  VLC_SAVE_FLAGS
  LDFLAGS="${LDFLAGS} -lz $LIBM"
  AC_CHECK_LIB(png, png_set_rows, [
    VLC_ADD_PLUGIN([png])
  ], [], [-lz $LIBM])
  VLC_RESTORE_FLAGS
  ])
])

dnl
dnl  JPEG decoder module
dnl
AC_ARG_ENABLE(jpeg,
  [  --enable-jpeg           JPEG support (default enabled)])
AS_IF([test "${enable_jpeg}" != "no"], [
AC_CHECK_HEADERS(jpeglib.h, [
  VLC_ADD_PLUGIN([jpeg])
  ])
])

dnl
dnl  BPG decoder module
dnl
AC_ARG_ENABLE(bpg,
  [  --enable-bpg           BPG support (default disabled)])
AS_IF([test "${enable_bpg}" != "no"], [
AC_CHECK_HEADERS(libbpg.h, [
  VLC_ADD_PLUGIN([bpg])
  ])
])

dnl
dnl H262 encoder plugin (lib262)
dnl
AC_ARG_ENABLE(x262,
  [  --enable-x262           H262 encoding support with static libx262 (default disabled)])
if test "${enable_x262}" != "no"; then
    PKG_CHECK_MODULES(X262, x262, [
        VLC_ADD_PLUGIN([x262])
        VLC_ADD_LDFLAGS([x262],[${X262_LIBS}])
        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LIBS([x262],[${av_cv_ld_bsymbolic}])
        ])
        VLC_ADD_CFLAGS([x262],[${X262_CFLAGS}])
        if echo ${X262_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x262], [-DPTW32_STATIC_LIB])
        fi
    ], [
       if test "${enable_x262}" = "yes"; then
        AC_MSG_ERROR([x262 module doesn't work without staticly compiled libx262.a])
       fi
    ])
fi

dnl x265 encoder
PKG_ENABLE_MODULES_VLC([X265],, [x265], [HEVC/H.265 encoder], [auto])

dnl
dnl H264 encoder plugin (10-bit lib264)
dnl
AC_ARG_ENABLE(x26410b,
  [  --enable-x26410b           H264 10-bit encoding support with static libx264 (default disabled)])
if test "${enable_x26410b}" != "no"; then
    PKG_CHECK_MODULES(X26410B, x26410b, [
        VLC_ADD_PLUGIN([x26410b])
        VLC_ADD_LIBS([x26410b],[${X26410B_LIBS}])
        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LDFLAGS([x26410b],[${ac_cv_ld_bsymbolic}])
        ])
        VLC_ADD_CFLAGS([x26410b],[${X26410B_CFLAGS}])
        if echo ${X26410B_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x26410b], [-DPTW32_STATIC_LIB])
        fi
    ], [
       if test "${enable_x26410b}" = "yes"; then
        AC_MSG_ERROR([x26410b module doesn't work without staticly compiled libx264.a])
       fi
    ])
fi


dnl
dnl H264 encoder plugin (using libx264)
dnl
AC_ARG_ENABLE(x264,
  [  --enable-x264           H264 encoding support with libx264 (default enabled)])
if test "${enable_x264}" != "no"; then
      PKG_CHECK_MODULES(X264,x264 >= 0.86, [
        VLC_ADD_PLUGIN([x264])
        VLC_ADD_LIBS([x264],[${X264_LIBS}])

        AS_IF([test -n "${ac_cv_ld_bsymbolic}"], [
          VLC_ADD_LDFLAGS([x264],[${ac_cv_ld_bsymbolic}])
        ])

        VLC_ADD_CFLAGS([x264],[${X264_CFLAGS}])
        if echo ${X264_LIBS} |grep -q 'pthreadGC2'; then
          VLC_ADD_CFLAGS([x264], [-DPTW32_STATIC_LIB])
        fi
      ],[
        if test "${enable_x264}" = "yes"; then
            AC_MSG_ERROR([${X264_PKG_ERRORS}: you may get it from http://www.videolan.org/x264.html])
          fi
      ])
fi

dnl
dnl Intel QuickSync (aka MediaSDK) H264/H262 encoder
dnl
PKG_ENABLE_MODULES_VLC([MFX], [qsv], [libmfx], [Intel QuickSync MPEG4-Part10/MPEG2 (aka H.264/H.262) encoder], [auto])

dnl
dnl libfluidsynth (MIDI synthetizer) plugin
dnl
PKG_ENABLE_MODULES_VLC([FLUIDSYNTH], [], [fluidsynth >= 1.1.2], [MIDI synthetiser with libfluidsynth], [auto])
PKG_ENABLE_MODULES_VLC([FLUIDLITE], [fluidsynth], [fluidlite], [MIDI synthetiser with libfluidsynth], [auto])
AC_CHECK_HEADERS(fluidlite.h, [AC_SUBST([FLUIDSYNTH_LIBS], ${FLUIDLITE_LIBS})])

dnl
dnl Teletext Modules
dnl vbi decoder plugin (using libzbvi)
dnl telx module
dnl uncompatible
dnl
AC_ARG_ENABLE(zvbi,
  AS_HELP_STRING([--enable-zvbi],[VBI (inc. Teletext) decoding support with
                  libzvbi (default enabled)]))
AC_ARG_ENABLE(telx,
  AS_HELP_STRING([--enable-telx],[Teletext decoding module (conflicting with
                  zvbi) (default enabled if zvbi is absent)]))

AS_IF( [test "${enable_zvbi}" != "no"],[
    PKG_CHECK_MODULES(ZVBI, [zvbi-0.2 >= 0.2.28],
        [
          VLC_ADD_PLUGIN([zvbi])
          AC_DEFINE(ZVBI_COMPILED, 1, [Define if the zvbi module is built])
          AS_IF( [test "${enable_telx}" = "yes"],[
                  AC_MSG_WARN([The zvbi and telx modules are incompatible. Using zvbi.])
                  ])
        ],[
          AC_MSG_WARN([${ZVBI_PKG_ERRORS}. Enabling the telx module instead.])
        ])
    ])
AS_IF( [test "${enable_telx}" != "no" ],[
  VLC_ADD_PLUGIN([telx])
  ])

dnl
dnl libass subtitle rendering module
dnl
AC_ARG_ENABLE(libass,
  [  --enable-libass         Subtitle support using libass (default enabled)])
AS_IF( [test "${enable_libass}" != "no"], [
  PKG_CHECK_MODULES(LIBASS, [libass >= 0.9.8],
      [
        VLC_ADD_PLUGIN([libass])

        AC_CHECK_HEADERS(fontconfig/fontconfig.h,
          [VLC_ADD_CPPFLAGS([libass],[-DHAVE_FONTCONFIG])
           VLC_ADD_LIBS([libass],[-lfontconfig])
       ])
      ],[
        AC_MSG_WARN([${LIBASS_PKG_ERRORS}.])
      ])
  ])

dnl
dnl ARIB subtitles rendering module
dnl
AC_ARG_ENABLE(aribsub,
  [  --enable-aribsub        ARIB Subtitles support (default enabled)])
AS_IF( [test "${enable_aribsub}" != "no" ],[
  PKG_CHECK_MODULES(ARIBB24, [aribb24 >= 1.0.1], [
      have_aribb24="yes"
      VLC_ADD_PLUGIN([aribsub])
      VLC_ADD_LIBS([aribsub],[-laribb24])
      AC_DEFINE(HAVE_ARIBB24, 1, [Define if libaribb24 is available.])
    ],[
      AC_MSG_WARN(Library [aribb24] needed for [aribsub] was not found)
      have_aribb24="no"
  ])
])
AM_CONDITIONAL([HAVE_ARIBB24], [test x"${have_aribb24}" = x"yes"])

dnl
dnl ARIB B25
dnl
PKG_ENABLE_MODULES_VLC([ARIBB25], [aribcam], [aribb25 >= 0.2.6], [ARIB STD-B25], [auto])

dnl
dnl  kate decoder plugin
dnl
PKG_ENABLE_MODULES_VLC([KATE], [], [kate >= 0.3.0], [kate codec], [auto])

dnl
dnl  tiger rendering for kate decoder plugin
dnl
AC_ARG_ENABLE(tiger,
[  --enable-tiger          Tiger rendering library for Kate streams (default auto)])
AS_IF([test "${enable_tiger}" != "no"], [
  PKG_CHECK_MODULES(TIGER,[tiger >= 0.3.1], [
      AC_DEFINE(HAVE_TIGER, 1, [Define if libtiger is available.])],[
        AS_IF([test -n "${enable_tiger}"], [
          AC_MSG_ERROR([${TIGER_PKG_ERRORS}.])
        ])
  ])
])


dnl
dnl  Video plugins
dnl

EXTEND_HELP_STRING([Video plugins:])

dnl
dnl  OpenGL
dnl
PKG_CHECK_MODULES([EGL], [egl], [
  have_egl="yes"
], [
  have_egl="no"
])
AM_CONDITIONAL([HAVE_EGL], [test "${have_egl}" = "yes"])

have_gl="no"
PKG_CHECK_MODULES([GL], [gl], [
  have_gl="yes"
], [
  AC_MSG_CHECKING([for OpenGL])
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef _WIN32
# include <GL/glew.h>
#endif
#include <GL/gl.h>
]], [
    [int t0 = GL_TEXTURE0;]])
  ], [
    GL_CFLAGS=""
    have_gl="yes"
    AS_IF([test "${SYS}" != "mingw32"], [
      GL_LIBS="-lGL"
    ], [
      GL_LIBS="-lopengl32"
    ])
  ])
  AC_MSG_RESULT([${have_gl}])
])
AM_CONDITIONAL([HAVE_GL], [test "${have_gl}" = "yes"])

dnl OpenGL ES 2: depends on EGL 1.1
PKG_ENABLE_MODULES_VLC([GLES2], [], [glesv2], [OpenGL ES v2 support], [disabled])

dnl
dnl  Xlib
dnl

AC_PATH_XTRA()
AC_CHECK_HEADERS(X11/Xlib.h)

dnl
dnl  X C Bindings modules
dnl
AC_ARG_ENABLE(xcb,
  [  --enable-xcb            X11 support with XCB (default enabled)],, [
  AS_IF([test "${SYS}" != "mingw32" -a "${SYS}" != "darwin"], [
    enable_xcb="yes"
  ], [
    enable_xcb="no"
  ])
])
AC_ARG_ENABLE(xvideo,
  [  --enable-xvideo         XVideo support (default enabled)],, [
    enable_xvideo="$enable_xcb"
])

have_xcb="no"
have_xcb_keysyms="no"
have_xcb_randr="no"
have_xcb_xvideo="no"
AS_IF([test "${enable_xcb}" != "no"], [
  dnl libxcb
  PKG_CHECK_MODULES(XCB, [xcb >= 1.6])
  have_xcb="yes"
  PKG_CHECK_MODULES(XCB_SHM, [xcb-shm])
  PKG_CHECK_MODULES(XCB_COMPOSITE, [xcb-composite])
  PKG_CHECK_MODULES(XPROTO, [xproto])

  AS_IF([test "${enable_xvideo}" != "no"], [
    PKG_CHECK_MODULES(XCB_XV, [xcb-xv >= 1.1.90.1], [have_xcb_xvideo="yes"])
  ])

  PKG_CHECK_MODULES(XCB_RANDR, [xcb-randr >= 1.3], [have_xcb_randr="yes"])