avutil/opt: remove ABI hacks

These were needed for ABI compatibility with Libav. We don't need them
anymore.

libavutil/opt.h

@@ -229,15 +229,15 @@ enum AVOptionType{
     AV_OPT_TYPE_BINARY,  ///< offset must point to a pointer immediately followed by an int for the length
     AV_OPT_TYPE_DICT,
     AV_OPT_TYPE_UINT64,
-    AV_OPT_TYPE_CONST = 128,
-    AV_OPT_TYPE_IMAGE_SIZE = MKBETAG('S','I','Z','E'), ///< offset must point to two consecutive integers
-    AV_OPT_TYPE_PIXEL_FMT  = MKBETAG('P','F','M','T'),
-    AV_OPT_TYPE_SAMPLE_FMT = MKBETAG('S','F','M','T'),
-    AV_OPT_TYPE_VIDEO_RATE = MKBETAG('V','R','A','T'), ///< offset must point to AVRational
-    AV_OPT_TYPE_DURATION   = MKBETAG('D','U','R',' '),
-    AV_OPT_TYPE_COLOR      = MKBETAG('C','O','L','R'),
-    AV_OPT_TYPE_CHANNEL_LAYOUT = MKBETAG('C','H','L','A'),
-    AV_OPT_TYPE_BOOL           = MKBETAG('B','O','O','L'),
+    AV_OPT_TYPE_CONST,
+    AV_OPT_TYPE_IMAGE_SIZE, ///< offset must point to two consecutive integers
+    AV_OPT_TYPE_PIXEL_FMT,
+    AV_OPT_TYPE_SAMPLE_FMT,
+    AV_OPT_TYPE_VIDEO_RATE, ///< offset must point to AVRational
+    AV_OPT_TYPE_DURATION,
+    AV_OPT_TYPE_COLOR,
+    AV_OPT_TYPE_CHANNEL_LAYOUT,
+    AV_OPT_TYPE_BOOL,
 };
 
 /**

libavutil/version.h

@@ -80,7 +80,7 @@
 
 #define LIBAVUTIL_VERSION_MAJOR  56
 #define LIBAVUTIL_VERSION_MINOR   7
-#define LIBAVUTIL_VERSION_MICRO 100
+#define LIBAVUTIL_VERSION_MICRO 101
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                                LIBAVUTIL_VERSION_MINOR, \