diff --git a/doc/APIchanges b/doc/APIchanges
index bf0913aaa9..fc150aef44 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@ libavutil:     2014-08-09
 
 API changes, most recent first:
 
+2015-05-07 - xxxxxxx - 56.38.100 - avcodec.h
+  Add av_packet_side_data_name().
+
 2015-05-04 - xxxxxxx - 56.37.100 - avcodec.h
   Add FF_PROFILE_VP9_0 and FF_PROFILE_VP9_1.
 
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index f1a330e409..4aeb57aed4 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -3852,6 +3852,8 @@ int av_packet_merge_side_data(AVPacket *pkt);
 
 int av_packet_split_side_data(AVPacket *pkt);
 
+const char *av_packet_side_data_name(enum AVPacketSideDataType type);
+
 /**
  * Pack a dictionary for use in side_data.
  *
diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 22a2d5d57d..aae67c5a00 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -336,6 +336,29 @@ uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
     return NULL;
 }
 
+const char *av_packet_side_data_name(enum AVPacketSideDataType type)
+{
+    switch(type) {
+    case AV_PKT_DATA_PALETTE:                   return "Palette";
+    case AV_PKT_DATA_NEW_EXTRADATA:             return "New Extradata";
+    case AV_PKT_DATA_PARAM_CHANGE:              return "Param Change";
+    case AV_PKT_DATA_H263_MB_INFO:              return "H263 MB Info";
+    case AV_PKT_DATA_REPLAYGAIN:                return "Replay Gain";
+    case AV_PKT_DATA_DISPLAYMATRIX:             return "Display Matrix";
+    case AV_PKT_DATA_STEREO3D:                  return "Stereo 3D";
+    case AV_PKT_DATA_AUDIO_SERVICE_TYPE:        return "Audio Service Type";
+    case AV_PKT_DATA_SKIP_SAMPLES:              return "Skip Samples";
+    case AV_PKT_DATA_JP_DUALMONO:               return "JP Dual Mono";
+    case AV_PKT_DATA_STRINGS_METADATA:          return "Strings Metadata";
+    case AV_PKT_DATA_SUBTITLE_POSITION:         return "Subtitle Position";
+    case AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL:  return "Matroska BlockAdditional";
+    case AV_PKT_DATA_WEBVTT_IDENTIFIER:         return "WebVTT ID";
+    case AV_PKT_DATA_WEBVTT_SETTINGS:           return "WebVTT Settings";
+    case AV_PKT_DATA_METADATA_UPDATE:           return "Metadata Update";
+    }
+    return NULL;
+}
+
 #define FF_MERGE_MARKER 0x8c4d9d108e25e9feULL
 
 int av_packet_merge_side_data(AVPacket *pkt){
diff --git a/libavcodec/version.h b/libavcodec/version.h
index e4a7f753c4..1d0525aa18 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 56
-#define LIBAVCODEC_VERSION_MINOR  37
-#define LIBAVCODEC_VERSION_MICRO 102
+#define LIBAVCODEC_VERSION_MINOR  38
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \