diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 1422b5c279..3d0cb8ce32 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -44,6 +44,8 @@ OBJS-$(CONFIG_VAAPI)                   += vaapi.o
 OBJS-$(CONFIG_VDPAU)                   += vdpau.o
 
 # decoders/encoders/hardware accelerators
+OBJS-$(CONFIG_A64MULTI_ENCODER)        += a64multienc.o elbg.o
+OBJS-$(CONFIG_A64MULTI5_ENCODER)       += a64multienc.o elbg.o
 OBJS-$(CONFIG_AAC_DECODER)             += aacdec.o aactab.o aacsbr.o aacps.o \
                                           aacadtsdec.o mpeg4audio.o
 OBJS-$(CONFIG_AAC_ENCODER)             += aacenc.o aaccoder.o    \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 83f075abb0..bf28028f55 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -66,6 +66,8 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL (WMV3_VAAPI, wmv3_vaapi);
 
     /* video codecs */
+    REGISTER_ENCODER (A64MULTI, a64multi);
+    REGISTER_ENCODER (A64MULTI5, a64multi5);
     REGISTER_DECODER (AASC, aasc);
     REGISTER_DECODER (AMV, amv);
     REGISTER_DECODER (ANM, anm);
diff --git a/libavformat/Makefile b/libavformat/Makefile
index ab260a1bc5..5c1aaac8f8 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -16,6 +16,7 @@ OBJS = allformats.o         \
        utils.o              \
 
 # muxers/demuxers
+OBJS-$(CONFIG_A64_MUXER)                 += a64.o
 OBJS-$(CONFIG_AAC_DEMUXER)               += raw.o id3v1.o id3v2.o
 OBJS-$(CONFIG_AC3_DEMUXER)               += raw.o
 OBJS-$(CONFIG_AC3_MUXER)                 += raw.o
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 03702c3152..6e73e825e2 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -47,6 +47,7 @@ void av_register_all(void)
     avcodec_register_all();
 
     /* (de)muxers */
+    REGISTER_MUXER    (A64, a64);
     REGISTER_DEMUXER  (AAC, aac);
     REGISTER_MUXDEMUX (AC3, ac3);
     REGISTER_MUXER    (ADTS, adts);