avcodec: replacement for av_sample_fmt_is_planar

configure.ac

@@ -2422,6 +2422,9 @@ AS_IF([test "${enable_avcodec}" != "no"], [
     VLC_SAVE_FLAGS
     CPPFLAGS="${CPPFLAGS} ${AVCODEC_CFLAGS}"
     CFLAGS="${CFLAGS} ${AVCODEC_CFLAGS}"
+    LIBS="${LIBS} ${AVCODEC_LIBS}"
+    AC_CHECK_LIB(avutil, av_sample_fmt_is_planar,
+        AC_DEFINE([HAVE_AVUTIL_PLANAR], [1], [Define if libav* use planar audio formats]))
     AC_CHECK_HEADERS(libavcodec/avcodec.h)
     AC_CHECK_HEADERS(libavutil/avutil.h)
     VLC_ADD_PLUGIN([avcodec])

modules/codec/avcodec/avcodec.h

@@ -21,6 +21,15 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#ifndef HAVE_AVUTIL_PLANAR
+# define av_sample_fmt_is_planar(x) (0)
+#endif
+
+
 #include "chroma.h"
 /* VLC <-> avcodec tables */
 int GetFfmpegCodec( vlc_fourcc_t i_fourcc, int *pi_cat,