configure.ac: select ffmpeg-1.2.1 release minimum for VDPAU hw acceleration support.

libavcodec version >= 54.92.100
libavutil  version >= 52.10.100

configure.ac

@@ -3157,13 +3157,13 @@ dnl AM_CONDITIONAL([HAVE_VDPAU], [test "${have_vdpau}" = "yes"])
 
 have_avcodec_vdpau="no"
 AS_IF([test "${have_vdpau}" = "yes"], [
-  PKG_CHECK_EXISTS([libavutil >= 0.52.4 libavcodec >= 54.36.0], [
+  PKG_CHECK_EXISTS([libavutil >= 52.10.100 libavcodec >= 54.92.100], [
     have_avcodec_vdpau="yes"
   ], [
     AS_IF([test -n "${enable_vdpau}"], [
-      AC_MSG_ERROR([libavutil >= 0.52.4 and libavcodec >= 54.36.0 are required for VDPAU decoding.])
+      AC_MSG_ERROR([libavutil >= 52.10.100 and libavcodec >= 54.92.100 are required for VDPAU decoding.])
     ], [
-      AC_MSG_WARN([libavutil >= 0.52.4 and libavcodec >= 54.36.0 are required for VDPAU decoding.])
+      AC_MSG_WARN([libavutil >= 52.10.100 and libavcodec >= 54.92.100 are required for VDPAU decoding.])
     ])
   ])
 ])