swresample: Create version.h header

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -4237,7 +4237,6 @@ fi
 }
 
 get_version_old LIBPOSTPROC libpostproc/version.h
-get_version_old LIBSWRESAMPLE libswresample/swresample.h
 
 get_version libavcodec
 get_version libavdevice
@@ -4245,6 +4244,7 @@ get_version libavfilter
 get_version libavformat
 get_version libavresample
 get_version libavutil
+get_version libswresample
 get_version libswscale
 
 cat > $TMPH <<EOF

libswresample/Makefile

@@ -3,7 +3,8 @@ include $(SUBDIR)../config.mak
 NAME = swresample
 FFLIBS = avutil
 
-HEADERS = swresample.h
+HEADERS = swresample.h                       \
+          version.h                          \
 
 OBJS = audioconvert.o                        \
        dither.o                              \

libswresample/swresample.h

@@ -29,13 +29,7 @@
 #include <inttypes.h>
 #include "libavutil/samplefmt.h"
 
-#define LIBSWRESAMPLE_VERSION_MAJOR 0
-#define LIBSWRESAMPLE_VERSION_MINOR 15
-#define LIBSWRESAMPLE_VERSION_MICRO 100
-
-#define LIBSWRESAMPLE_VERSION_INT  AV_VERSION_INT(LIBSWRESAMPLE_VERSION_MAJOR, \
-                                                  LIBSWRESAMPLE_VERSION_MINOR, \
-                                                  LIBSWRESAMPLE_VERSION_MICRO)
+#include "libswresample/version.h"
 
 #if LIBSWRESAMPLE_VERSION_MAJOR < 1
 #define SWR_CH_MAX 32   ///< Maximum number of channels

libswresample/version.h

+/*
+ * Version macros.
+ *
+ * This file is part of libswresample
+ *
+ * libswresample is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * libswresample is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with libswresample; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef SWR_VERSION_H
+#define SWR_VERSION_H
+
+/**
+ * @file
+ * Libswresample version macros
+ */
+
+#include "libavutil/avutil.h"
+
+#define LIBSWRESAMPLE_VERSION_MAJOR 0
+#define LIBSWRESAMPLE_VERSION_MINOR 15
+#define LIBSWRESAMPLE_VERSION_MICRO 100
+
+#define LIBSWRESAMPLE_VERSION_INT  AV_VERSION_INT(LIBSWRESAMPLE_VERSION_MAJOR, \
+                                                  LIBSWRESAMPLE_VERSION_MINOR, \
+                                                  LIBSWRESAMPLE_VERSION_MICRO)
+
+#endif /* SWR_VERSION_H */