AC_INIT(../include/ptlib.h)

AC_PREREQ([2.63])  # sometimes this file gets processed by old autoconf
AC_PROG_CXX
AC_PROG_CPP

AC_CANONICAL_TARGET()

dnl ########################################################################
dnl set the PREFIX accordingly
if test "x$prefix" = "xNONE"; then
   INSTALLPREFIX="/usr/local"
else
   INSTALLPREFIX="${prefix}"
fi

AC_SUBST(INSTALLPREFIX)

dnl ########################################################################
dnl set LIBDIR accordingly
LIBDIR="${libdir}"
AC_SUBST(LIBDIR)

AC_ARG_ENABLE(plugins,           disable plugin support])
if test "${enable_plugins}z" = "z" ; then
  enable_plugins=yes
fi
if test "$enable_plugins" = "no" ; then
  AC_MSG_NOTICE(Plugins disabled)
else
 

AC_ARG_ENABLE(audio,
       [  --disable-audio        disable audio support])
if test "${enable_audio}z" = "z" ; then
  enable_audio=yes
fi

if test "${enable_audio}" = "yes" ; then

dnl #########################################################################
dnl check for Alsa sound support
dnl ########################################################################

AC_ARG_ENABLE(alsa, [  --enable-alsa           enable ALSA audio support],,enable_alsa=yes)

if test "${enable_alsa}z" = "yesz" ; then
  AC_CHECK_HEADER(alsa/asoundlib.h, ALSAHDR=1)
  AC_MSG_CHECKING(for ALSA sound support)
  if test "${ALSAHDR}z" != "z"; then
    AC_SUBST(HAS_ALSA, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for ESD sound support
dnl ########################################################################

AC_ARG_ENABLE(esd, [  --enable-esd            enable ESD audio support],,enable_esd=no)

if test "${enable_esd}z" = "yesz" ; then
  AC_CHECK_HEADER(esd.h, ESDHDR=1)
  AC_MSG_CHECKING(for ESD sound support)
  if test "${ESDHDR}z" != "z"; then
    AC_SUBST(HAS_ESD, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for OSS sound support
dnl ########################################################################

AC_ARG_ENABLE(oss, [  --enable-oss            enable OSS audio support],,enable_oss=no)

if test "${enable_oss}z" = "yesz" ; then
  AC_CHECK_HEADER(sys/soundcard.h, OSSSNDCARDHDR=1)
  AC_MSG_CHECKING(for OSS sound support)
  if test "${OSSSNDCARDHDR}z" != "z"; then
    AC_SUBST(HAS_OSS, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi
dnl #########################################################################

dnl check for Pulse sound support
dnl ########################################################################

AC_ARG_ENABLE(pulse, [  --enable-pulse       enable Pulse audio support],,enable_pulse=yes)

if test "${enable_pulse}z" = "yesz" ; then
  AC_CHECK_HEADER(pulse/simple.h, PULSESNDCARDHDR=1)
  AC_MSG_CHECKING(for Pulse sound support)
  if test "${PULSESNDCARDHDR}z" != "z"; then
    AC_SUBST(HAS_PULSE, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for sunaudio sound support
dnl ########################################################################

AC_ARG_ENABLE(sunaudio, [  --enable-sunaudio            enable  Sun audio support],,enable_sunaudio=no)

if test "${enable_sunaudio}z" = "yesz" ; then
  AC_CHECK_HEADER(sys/conf.h, SUNSNDCARDHDR=1)
  AC_MSG_CHECKING(for Sun audio sound support)
  if test "${SUNSNDCARDHDR}z" != "z"; then
    AC_SUBST(HAS_SUNAUDIO, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for shm sound support
dnl ########################################################################

AC_ARG_ENABLE(shmaudio, [  --enable-shmaudio       enable shm audio support],,enable_shmaudio=no)

if test "${enable_shmaudio}z" = "yesz" ; then
  AC_CHECK_FUNC(sem_timedwait, SNDSHMHDR=1)
  AC_MSG_CHECKING(for shm audio sound support)
  if test "${SNDSHMHDR}z" != "z"; then
    AC_SUBST(HAS_AUDIOSHM, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

fi # enable_audio

AC_ARG_ENABLE(video,
       [  --disable-video         disable video device support])

if test "${enable_video}z" = "z" ; then
  enable_video=yes
fi

if test "$enable_video" = "yes" ; then

dnl #########################################################################
dnl check for V4L video support
dnl ########################################################################

AC_ARG_ENABLE(v4l, [  --enable-v4l            enable V4L video support],,enable_v4l=no)
if test "${enable_v4l}z" = "yesz" ; then
  AC_CHECK_HEADER(linux/videodev.h, V4LHDR=1)
  AC_MSG_CHECKING(for V4L video support)
  if test "${V4LHDR}z" != "z"; then
    AC_SUBST(HAS_V4L, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for V4L2 video support
dnl ########################################################################

AC_ARG_ENABLE(v4l2, [  --enable-v4l2            enable V4L2 video support],,enable_v4l2=yes)

if test "${enable_v4l2}z" = "yesz" ; then
  case "$target_os" in
    solaris* | sunos* ) V4L2_HEADER="sys/videodev2.h"   ; ;;
    netbsd* )           V4L2_HEADER="sys/videoio.h"     ; ;;
          * )	        V4L2_HEADER="linux/videodev2.h" ; ;;
  esac

  AC_CHECK_HEADER([$V4L2_HEADER], 
                  [HAS_V4L2=1],
                  [
		    # We can't use AC_CHECK_HEADER again because
                    # the value is cached, perhaps we have another
                    # method to do this more cleanly ?
		    AC_MSG_CHECKING([for $V4L2_HEADER with sys/types.h])
		    AC_TRY_COMPILE([
					#ifdef __linux__
					#include <sys/types.h>
					#include <linux/types.h>
                                        #else
                                        #ifdef __sun
                                        #include <sys/types.h>
                                        #include <sys/time.h>
                                        #else
					#error "not supported"
					#endif
					#endif
					#include "$V4L2_HEADER"
				    ],
				    [
				        return 0;
				    ],
				    [
				        HAS_V4L2=1
				        AC_MSG_RESULT(yes)
				    ],
                                    [
				        HAS_V4L2=
				        AC_MSG_RESULT(no)
                                    ])
                  ], 
		[
		#ifdef __linux__
		#include <linux/types.h>
		#endif
		])
  AC_MSG_CHECKING(for V4L2 video support)
  if test "x${HAS_V4L2}" = "x1"; then
    AC_MSG_RESULT(yes)
    AC_SUBST([V4L2_CXXFLAGS],[-DV4L2_HEADER=\'\"$V4L2_HEADER\"\'])
  else
    HAS_V4L2=
    AC_MSG_RESULT(no)
  fi
  AC_SUBST(HAS_V4L2)

  if test "x${HAS_V4L2}" = "x1"; then
    AC_CHECK_HEADER([libv4l2.h], 
                    [AC_CHECK_LIB([v4l2], [v4l2_fd_open], [HAS_LIBV4L=1])]
                   )
                   
    AC_MSG_CHECKING([for libv4l2 support])
    if test "x${HAS_LIBV4L}" = "x1"; then
      AC_MSG_RESULT(yes)
    else
      AC_MSG_RESULT(no)
    fi
    AC_SUBST(HAS_LIBV4L)
  fi
fi

dnl #########################################################################
dnl check for BSD video capture support
dnl ########################################################################

AC_ARG_ENABLE(bsdvideo, [  --enable-bsdvideo       enable BSD video support],,enable_bsdvideo=yes)

if test "${enable_bsdvideo}z" = "yesz" ; then
  AC_CHECK_HEADER(dev/bktr/ioctl_meteor.h, BSDVIDEOHDR=1)
  AC_CHECK_HEADER(machine/ioctl_meteor.h, BSDVIDEOHDR=1)
  AC_CHECK_HEADER(i386/ioctl_meteor.h, BSDVIDEOHDR=1)
  AC_CHECK_HEADER(dev/ic/bt8xx.h, BSDVIDEOHDR=1)
  AC_MSG_CHECKING(for BSD video support)
  if test "${BSDVIDEOHDR}z" != "z"; then
    AC_SUBST(HAS_BSDVIDEOCAP, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for AVC video support
dnl ########################################################################

AC_ARG_ENABLE(avc, [  --enable-avc            enable IEEE1394/AVC video support],,enable_avc=no)

if test "${enable_avc}z" = "yesz" ; then
  AC_CHECK_HEADER(libavc1394/avc1394.h, AVC1394HDR=1)
  AC_CHECK_HEADER(libdv/dv.h, DVHDR=1)
  AC_CHECK_HEADER(libraw1394/raw1394.h, RAW1394HDR=1)
  AC_MSG_CHECKING(for IEEE1394/AVC video support)
  if test "${AVC1394HDR}z" != "z" -a "${DVHDR}z" != "z" -a "${RAW1394HDR}z" != "z"; then
    AC_SUBST(HAS_AVC1394, 1)
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl #########################################################################
dnl check for DC video support
dnl ########################################################################

AC_ARG_ENABLE(dc, [  --enable-dc             enable IEEE1394/DC video support],,enable_dc=yes)

if test "${enable_dc}z" = "yesz" ; then
  AC_CHECK_HEADER(libdc1394/dc1394_control.h, DC1394HDR=1)
  AC_CHECK_HEADER(libraw1394/raw1394.h, RAW1394HDR=1)
  AC_MSG_CHECKING(for IEEE1394/DC video support)
  if test "${DC1394HDR}z" != "z" -a "${RAW1394HDR}z" != "z"; then
    AC_SUBST(HAS_DC1394, 1)
    AC_MSG_RESULT(yes)
    AC_MSG_CHECKING(if dc1394_dma_setup_capture has 12 parms)
    AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include "libdc1394/dc1394_control.h"
int main(int ac,char **av)
{
  raw1394handle_t handle;
  nodeid_t node;
  int channel;
  int format;
  int mode;
  int speed;
  int frame_rate; 
  int num_dma_buffers;
  int do_extra_buffering;
  int drop_frames;
  const char *dma_device_file;
  dc1394_cameracapture *camera;
  dc1394_dma_setup_capture(handle, node, channel, format, mode, speed, frame_rate, num_dma_buffers,
			   do_extra_buffering, drop_frames, dma_device_file, camera);
  return 0;
}
])],NEW_DC_API=1, NEW_DC_API=0)
    if test "$NEW_DC_API" = "1" ; then
      AC_SUBST(DC_CFLAGS, -DNEW_DC_API)
      AC_MSG_RESULT(yes)
    else
      AC_SUBST(DC_CFLAGS)
      AC_MSG_RESULT(no)
    fi
  else
    AC_MSG_RESULT(no)
  fi
fi

fi
dnl end of test for video

fi # enable_plugins

dnl ########################################################################
dnl output header file

AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(vidinput_v4l2/Makefile)
AC_CONFIG_FILES(vidinput_dc/Makefile)

AC_OUTPUT()