Implement avdevice_version().

Originally committed as revision 14668 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavdevice/alldevices.c

@@ -20,6 +20,12 @@
 
 #include "config.h"
 #include "libavformat/avformat.h"
+#include "avdevice.h"
+
+unsigned avdevice_version(void)
+{
+    return LIBAVDEVICE_VERSION_INT;
+}
 
 #define REGISTER_MUXER(X,x) { \
           extern AVOutputFormat x##_muxer; \

libavdevice/avdevice.h

@@ -20,7 +20,7 @@
 #define FFMPEG_AVDEVICE_H
 
 #define LIBAVDEVICE_VERSION_MAJOR 52
-#define LIBAVDEVICE_VERSION_MINOR  0
+#define LIBAVDEVICE_VERSION_MINOR  1
 #define LIBAVDEVICE_VERSION_MICRO  0
 
 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \
@@ -31,6 +31,11 @@
                                            LIBAVDEVICE_VERSION_MICRO)
 #define LIBAVDEVICE_BUILD       LIBAVDEVICE_VERSION_INT
 
+/**
+ * Returns the LIBAVDEVICE_VERSION_INT constant.
+ */
+unsigned avdevice_version(void);
+
 /**
  * Initialize libavdevice and register all the input and output devices.
  * @warning This function is not thread safe.