mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 02:31:03 +00:00
99 lines
2.8 KiB
Text
99 lines
2.8 KiB
Text
# CFLAGS and library paths for FFMPEG
|
|
# taken from Autostar Sandbox, http://autostars.sourceforge.net/
|
|
|
|
dnl Usage:
|
|
dnl AM_PATH_FFMPEG([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
|
|
dnl FIXME: version checking does not work currently
|
|
dnl
|
|
dnl Example:
|
|
dnl AM_PATH_FFMPEG(0.4.6, , AC_MSG_ERROR([*** FFMPEG >= 0.4.6 not installed))
|
|
dnl
|
|
dnl Defines FFMPEG_LIBS
|
|
dnl FIXME: should define FFMPEG_VERSION
|
|
dnl
|
|
|
|
AC_DEFUN(AM_PATH_FFMPEG,
|
|
[
|
|
dnl allow for specification of a source path (for uninstalled)
|
|
AC_ARG_WITH(ffmpeg-source,
|
|
AC_HELP_STRING([--with-ffmpeg-source=DIR],
|
|
[Directory where FFmpeg source is (optional)]),
|
|
ffmpeg_source="$withval", ffmpeg_source="")
|
|
|
|
dnl save CFLAGS and LIBS here
|
|
CFLAGS_save=$CFLAGS
|
|
LIBS_save=$LIBS
|
|
if test "x$ffmpeg_source" != "x"; then
|
|
dnl uninstalled FFmpeg copy
|
|
AC_MSG_NOTICE([Looking for FFmpeg source in $ffmpeg_source])
|
|
CFLAGS="-I$ffmpeg_source/libav -I$ffmpeg_source/libavcodec"
|
|
LIBS="-L$ffmpeg_source/libav -L$ffmpeg_source/libavcodec"
|
|
AC_DEFINE_UNQUOTED(HAVE_FFMPEG_UNINSTALLED, 1,
|
|
[defined if we compile against uninstalled FFmpeg])
|
|
FFMPEG_COMMON_INCLUDE="#include <common.h>"
|
|
else
|
|
FFMPEG_COMMON_INCLUDE="#include <ffmpeg/common.h>"
|
|
fi
|
|
|
|
dnl check for libavcodec
|
|
AC_CHECK_LIB(avcodec, avcodec_init, HAVE_FFMPEG=yes, HAVE_FFMPEG=no)
|
|
|
|
dnl check for avcodec.h and avformat.h
|
|
if test "x$ffmpeg_source" != "x"; then
|
|
dnl uninstalled
|
|
AC_CHECK_HEADER(avcodec.h, , HAVE_FFMPEG=no, [/* only compile */])
|
|
AC_CHECK_HEADER(avformat.h, , HAVE_FFMPEG=no, [/* only compile */])
|
|
else
|
|
AC_CHECK_HEADER(ffmpeg/avcodec.h, , HAVE_FFMPEG=no)
|
|
AC_CHECK_HEADER(ffmpeg/avformat.h, , HAVE_FFMPEG=no)
|
|
fi
|
|
|
|
dnl now check if it's sufficiently new
|
|
|
|
AC_LANG_SAVE()
|
|
AC_LANG_C()
|
|
|
|
dnl FIXME: we use strcmp, which we know is going to break if ffmpeg ever uses
|
|
dnl two digits for any of their version numbers. It makes the test so much
|
|
dnl easier though so let's ignore that
|
|
AC_TRY_RUN([
|
|
$FFMPEG_COMMON_INCLUDE
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
if (strcmp (FFMPEG_VERSION, "$1") == -1)
|
|
{
|
|
fprintf (stderr,
|
|
"ERROR: your copy of ffmpeg is too old (%s)\n", FFMPEG_VERSION);
|
|
return 1;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
], , HAVE_FFMPEG=no)
|
|
|
|
dnl now do the actual "do we have it ?" test
|
|
if test "x$HAVE_FFMPEG" = "xyes"; then
|
|
FFMPEG_LIBS="$LIBS -lavcodec -lavformat"
|
|
FFMPEG_CFLAGS="$CFLAGS"
|
|
AC_MSG_NOTICE(we have ffmpeg)
|
|
dnl execute what we have to because it's found
|
|
ifelse([$2], , :, [$2])
|
|
else
|
|
FFMPEG_LIBS=""
|
|
FFMPEG_CFLAGS=""
|
|
dnl execute what we have to because it's not found
|
|
ifelse([$3], , :, [$3])
|
|
fi
|
|
|
|
dnl make variables available
|
|
AC_SUBST(FFMPEG_LIBS)
|
|
AC_SUBST(FFMPEG_CFLAGS)
|
|
AC_SUBST(HAVE_FFMPEG)
|
|
AC_LANG_RESTORE()
|
|
CFLAGS=$CFLAGS_save
|
|
LIBS=$LIBS_save
|
|
])
|