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| author | Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com> | 2015-11-23 23:45:38 -0800 |
|---|---|---|
| committer | Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com> | 2015-12-03 11:47:52 -0800 |
| commit | d9dec6893a0c66870d08bdfbee5b0ad9fcb66674 (patch) | |
| tree | 312c58a8e5bdb97eb2e273b101fd330adb475e14 | |
| parent | 3641ca05634aa742bf07f44ef31ab7066616f2c6 (diff) | |
| download | gst-libav-d9dec6893a0c66870d08bdfbee5b0ad9fcb66674.tar.gz | |
Require libav provided by FFmpeg at build-time
Libav-incompatible changes were introduced to support
FFmpeg and we can no longer properly support Libav.
FFmpeg micro versions for libav* start at 100 (this was
done to differentiate from Libav builds). We use this
to bail at configure time if the system libav* libraries
are not provided by FFmpeg.
https://bugzilla.gnome.org/show_bug.cgi?id=758183
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 89a3318..84cf31a 100644 --- a/configure.ac +++ b/configure.ac @@ -271,6 +271,20 @@ if test "x$with_system_libav" = "xyes"; then AC_DEFINE([LIBAV_SOURCE], ["system install"], [Describes where the Libav libraries come from.]) HAVE_LIBAV_UNINSTALLED=0 AC_MSG_NOTICE([Using system-installed libav code]) + AC_MSG_CHECKING([whether libav is provided by FFmpeg]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ + #include <libavcodec/avcodec.h> + ]],[[ + #if LIBAVCODEC_VERSION_MICRO >= 100 + /* FFmpeg uses 100+ as its micro version */ + #else + #error libav provider should be FFmpeg + #endif + ]])], [is_ffmpeg=yes], [is_ffmpeg=no]) + AC_MSG_RESULT([$is_ffmpeg]) + if test "$is_ffmpeg" = no; then + AC_MSG_ERROR([Uncompatible libavcodec found]) + fi else AC_MSG_NOTICE([Using local Libav snapshot]) |