1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
# Configure paths for libavcodec
# Burkhard Plaum, 2004-08-12
dnl Compile an avcodec test program and figure out the version
AC_DEFUN([ACL_CHECK_AVCODEC],[
AC_MSG_CHECKING([for build ID in libavcodec, libs: $AVCODEC_LIBS])
CFLAGS_save=$CFLAGS
LIBS_save=$LIBS
CFLAGS="$CFLAGS $AVCODEC_CFLAGS"
LIBS="$LIBS $AVCODEC_LIBS"
avcodec_ok="false"
AC_TRY_RUN([
#include <stdio.h>
#include <ffmpeg/avcodec.h>
int main()
{
FILE * output;
if(LIBAVCODEC_BUILD < $1)
return -1;
output=fopen("avcodec_version", "w");
fprintf(output, AV_TOSTRING(LIBAVCODEC_VERSION));
fclose(output);
return 0;
}
],
[
# program could be run
if test "x$AVCODEC_VERSION" = "x"; then
AVCODEC_VERSION=`cat avcodec_version`
fi
rm -f avcodec_version
avcodec_ok="true"
AC_MSG_RESULT(ok)
],
[
# program could not be run
AC_MSG_RESULT(failed)
])
CFLAGS="$CFLAGS_save"
LIBS="$LIBS_save"
])
dnl ACL_PATH_AVCODEC(BUILD_ID [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libavcodec, and define AVCODEC_CFLAGS, AVCODEC_LIBS and
dnl AVCODEC_VERSION
AC_DEFUN([ACL_PATH_AVCODEC],[
AC_ARG_WITH(avcodec,[ --with-avcodec=PFX Prefix where libavcodec is installed (optional)], avcodec_prefix="$withval", avcodec_prefix="")
dnl We need the _save variables because PKG_CHECK_MODULES will change
dnl the other variables
AVCODEC_CFLAGS_save=""
AVCODEC_LIBS_save=""
avcodec_done="false"
dnl
dnl First preference: configure options
dnl
if test "x$avcodec_prefix" != x; then
AVCODEC_CFLAGS="-I$avcodec_prefix/include"
AVCODEC_LIBS="-L$avcodec_prefix/lib -lavcodec"
ACL_CHECK_AVCODEC([$1])
if test "x$avcodec_ok" = "xtrue"; then
avcodec_done="true"
fi
fi
dnl
dnl Second Peference: ffmpeg_acl
dnl
if test "x$avcodec_done" = "xfalse"; then
PKG_CHECK_MODULES(AVCODEC_ACL, avcodec_acl, have_avcodec_acl="true", have_avcodec_acl="false")
if test x"$have_avcodec_acl" = "xtrue"; then
AVCODEC_CFLAGS=$AVCODEC_ACL_CFLAGS
AVCODEC_LIBS=$AVCODEC_ACL_LIBS
ACL_CHECK_AVCODEC([$1])
if test "x$avcodec_ok" = "xtrue"; then
avcodec_done="true"
AVCODEC_VERSION=`pkg-config --modversion avcodec_acl`
fi
fi
fi
dnl
dnl Third Perference: Autodetect
dnl
if test "x$avcodec_done" = "xfalse"; then
PKG_CHECK_MODULES(AVCODEC, libavcodec, avcodec_orig="true", avcodec_orig="false")
ACL_CHECK_AVCODEC([$1])
if test "x$avcodec_ok" = "xtrue"; then
avcodec_done="true"
fi
fi
if test "x$avcodec_done" = "xtrue"; then
ifelse([$2], , :, [$2])
else
ifelse([$3], , :, [$3])
fi
])
|
