diff --git a/doc/APIchanges b/doc/APIchanges
index 9bcd91614c..024ba3a4a8 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,10 @@ libavutil:     2012-10-22
 
 API changes, most recent first:
 
+2014-08-xx - xxxxxxx - lavc 55.57.4 - avcodec.h
+  Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.
+  Replaced by FF_IDCT_XVID and xvid respectively.
+
 2014-08-xx - xxxxxxx - lavf 55.53.100 - avio.h
   Add avio_feof() and deprecate url_feof().
 
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 7d10d3d0f0..3b6a75093e 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2678,7 +2678,10 @@ typedef struct AVCodecContext {
 #if FF_API_UNUSED_MEMBERS
 #define FF_IDCT_IPP           13
 #endif /* FF_API_UNUSED_MEMBERS */
+#define FF_IDCT_XVID          14
+#if FF_API_IDCT_XVIDMMX
 #define FF_IDCT_XVIDMMX       14
+#endif /* FF_API_IDCT_XVIDMMX */
 #define FF_IDCT_SIMPLEARMV5TE 16
 #define FF_IDCT_SIMPLEARMV6   17
 #if FF_API_ARCH_SPARC
diff --git a/libavcodec/options_table.h b/libavcodec/options_table.h
index 37382a5068..1c73aff28f 100644
--- a/libavcodec/options_table.h
+++ b/libavcodec/options_table.h
@@ -223,7 +223,10 @@ static const AVOption avcodec_options[] = {
 #if FF_API_UNUSED_MEMBERS
 {"ipp", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_IPP }, INT_MIN, INT_MAX, V|E|D, "idct"},
 #endif /* FF_API_UNUSED_MEMBERS */
-{"xvidmmx", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_XVIDMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
+{"xvid", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_XVID }, INT_MIN, INT_MAX, V|E|D, "idct"},
+#if FF_API_IDCT_XVIDMMX
+{"xvidmmx", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_XVID }, INT_MIN, INT_MAX, V|E|D, "idct"},
+#endif /* FF_API_IDCT_XVIDMMX */
 {"faani", "floating point AAN IDCT", 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_FAAN }, INT_MIN, INT_MAX, V|D|E, "idct"},
 {"simpleauto", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_IDCT_SIMPLEAUTO }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"slice_count", NULL, OFFSET(slice_count), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
diff --git a/libavcodec/version.h b/libavcodec/version.h
index a44826bb03..3f64053264 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -30,7 +30,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR 55
 #define LIBAVCODEC_VERSION_MINOR  73
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MICRO 102
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
@@ -153,6 +153,9 @@
 #ifndef FF_API_UNUSED_MEMBERS
 #define FF_API_UNUSED_MEMBERS    (LIBAVCODEC_VERSION_MAJOR < 56)
 #endif
+#ifndef FF_API_IDCT_XVIDMMX
+#define FF_API_IDCT_XVIDMMX      (LIBAVCODEC_VERSION_MAJOR < 56)
+#endif
 #ifndef FF_API_INPUT_PRESERVED
 #define FF_API_INPUT_PRESERVED   (LIBAVCODEC_VERSION_MAJOR < 57)
 #endif
diff --git a/libavcodec/x86/idct_sse2_xvid.c b/libavcodec/x86/idct_sse2_xvid.c
index ce2abe4101..3af2ebbea3 100644
--- a/libavcodec/x86/idct_sse2_xvid.c
+++ b/libavcodec/x86/idct_sse2_xvid.c
@@ -47,7 +47,7 @@
 
 /**
  * @file
- * @brief SSE2 idct compatible with xvidmmx
+ * @brief SSE2 IDCT compatible with the Xvid IDCT
  */
 
 #define X8(x)     x,x,x,x,x,x,x,x
diff --git a/libavcodec/xvididct.c b/libavcodec/xvididct.c
index 0c61fb5312..8645af439a 100644
--- a/libavcodec/xvididct.c
+++ b/libavcodec/xvididct.c
@@ -28,7 +28,7 @@ av_cold void ff_xvididct_init(IDCTDSPContext *c, AVCodecContext *avctx)
 
     if (high_bit_depth || avctx->lowres ||
         !(avctx->idct_algo == FF_IDCT_AUTO ||
-          avctx->idct_algo == FF_IDCT_XVIDMMX))
+          avctx->idct_algo == FF_IDCT_XVID))
         return;
 
     if (ARCH_X86)