libavcodec: Define a side data type for new extradata

Signed-off-by: Martin Storsjö <martin@martin.st>

libavcodec/avcodec.h

@@ -855,6 +855,7 @@ typedef struct AVPanScan{
 
 enum AVPacketSideDataType {
     AV_PKT_DATA_PALETTE,
+    AV_PKT_DATA_NEW_EXTRADATA,
 };
 
 typedef struct AVPacket {

libavcodec/version.h

@@ -21,8 +21,8 @@
 #define AVCODEC_VERSION_H
 
 #define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 28
-#define LIBAVCODEC_VERSION_MICRO  1
+#define LIBAVCODEC_VERSION_MINOR 29
+#define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \