diff --git a/Makefile b/Makefile
index 99d264a446..4ed003b7a5 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,6 @@ FFLIBS-$(CONFIG_AVFORMAT) += avformat
 FFLIBS-$(CONFIG_AVCODEC)  += avcodec
 FFLIBS-$(CONFIG_POSTPROC) += postproc
 FFLIBS-$(CONFIG_SWSCALE)  += swscale
-FFLIBS-$(CONFIG_AVCORE)   += avcore
 
 FFLIBS := avutil
 
diff --git a/cmdutils.c b/cmdutils.c
index c68f37fe20..9809d2fe8a 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -38,7 +38,6 @@
 #include "libavutil/pixdesc.h"
 #include "libavutil/eval.h"
 #include "libavcodec/opt.h"
-#include "libavcore/avcore.h"
 #include "cmdutils.h"
 #include "version.h"
 #if CONFIG_NETWORK
@@ -413,7 +412,6 @@ static int warned_cfg = 0;
 static void print_all_libs_info(FILE* outstream, int flags)
 {
     PRINT_LIB_INFO(outstream, avutil,   AVUTIL,   flags);
-    PRINT_LIB_INFO(outstream, avcore,   AVCORE,   flags);
     PRINT_LIB_INFO(outstream, avcodec,  AVCODEC,  flags);
     PRINT_LIB_INFO(outstream, avformat, AVFORMAT, flags);
     PRINT_LIB_INFO(outstream, avdevice, AVDEVICE, flags);
diff --git a/common.mak b/common.mak
index 110f5056c4..3d1a1293fb 100644
--- a/common.mak
+++ b/common.mak
@@ -31,7 +31,7 @@ $(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
 $(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
 endif
 
-ALLFFLIBS = avcodec avcore avdevice avfilter avformat avutil postproc swscale
+ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
 
 IFLAGS   := -I$(BUILD_ROOT_REL) -I$(SRC_PATH)
 CPPFLAGS := $(IFLAGS) $(CPPFLAGS)
diff --git a/configure b/configure
index 90eeaa0b66..ed2934d33f 100755
--- a/configure
+++ b/configure
@@ -86,7 +86,6 @@ Configuration options:
   --disable-ffserver       disable ffserver build
   --disable-avdevice       disable libavdevice build
   --disable-avcodec        disable libavcodec build
-  --disable-avcore         disable libavcore build
   --disable-avformat       disable libavformat build
   --disable-swscale        disable libswscale build
   --enable-postproc        enable GPLed postprocessing support [no]
@@ -871,7 +870,6 @@ CONFIG_LIST="
     $COMPONENT_LIST
     aandct
     avcodec
-    avcore
     avdevice
     avfilter
     avformat
@@ -1589,7 +1587,6 @@ host_os=$target_os_default
 
 # configurable options
 enable avcodec
-enable avcore
 enable avdevice
 enable avfilter
 enable avformat
@@ -2933,7 +2930,7 @@ enabled extra_warnings && check_cflags -Winline
 # add some linker flags
 check_ldflags -Wl,--warn-common
 check_ldflags -Wl,--as-needed
-check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
+check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
 
 echo "X{};" > $TMPV
@@ -3143,7 +3140,6 @@ if enabled source_path_used; then
         doc
         libavcodec
         libavcodec/$arch
-        libavcore
         libavdevice
         libavfilter
         libavfilter/$arch
@@ -3163,7 +3159,6 @@ if enabled source_path_used; then
         doc/texi2pod.pl
         libavcodec/Makefile
         libavcodec/${arch}/Makefile
-        libavcore/Makefile
         libavdevice/Makefile
         libavfilter/Makefile
         libavfilter/${arch}/Makefile
@@ -3266,7 +3261,6 @@ get_version(){
 get_version LIBSWSCALE  libswscale/swscale.h
 get_version LIBPOSTPROC libpostproc/postprocess.h
 get_version LIBAVCODEC  libavcodec/avcodec.h
-get_version LIBAVCORE   libavcore/avcore.h
 get_version LIBAVDEVICE libavdevice/avdevice.h
 get_version LIBAVFORMAT libavformat/version.h
 get_version LIBAVUTIL   libavutil/avutil.h
@@ -3394,10 +3388,9 @@ EOF
 }
 
 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
-pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
-pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
+pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs"
 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
-pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
+pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
diff --git a/doc/APIchanges b/doc/APIchanges
index ce61cfcf72..421df01336 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,7 +2,6 @@ Never assume the API of libav* to be stable unless at least 1 week has passed si
 the last major version increase.
 The last version increases were:
 libavcodec:  ?
-libavcore:   2010-07-21
 libavdevice: ?
 libavfilter: 2009-10-18
 libavformat: ?
@@ -13,6 +12,9 @@ libavutil:   2009-03-08
 
 API changes, most recent first:
 
+2011-02-15 - lavu 52.38.0 - merge libavcore
+  libavcore is merged back completely into libavutil
+
 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
   Add vbv_delay field to AVCodecContext
 
diff --git a/doc/general.texi b/doc/general.texi
index 3fc4d00e26..cd126f9868 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -986,7 +986,7 @@ you should only need to add the directory where the LIB files are installed
 (i.e. @file{c:\msys\usr\local\bin}). This is not a typo, the LIB files are
 installed in the @file{bin} directory. And instead of adding the static
 libraries (@file{libxxx.a} files) you should add the MSVC import libraries
-(@file{avcodec.lib}, @file{avformat.lib}, @file{avcore.lib}, and
+(@file{avcodec.lib}, @file{avformat.lib}, and
 @file{avutil.lib}). Note that you should not use the GCC import
 libraries (@file{libxxx.dll.a} files), as these will give you undefined
 reference errors. There should be no need for @file{libmingwex.a},
diff --git a/ffmpeg.c b/ffmpeg.c
index 85149a7935..1cad57d809 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -36,9 +36,9 @@
 #include "libswscale/swscale.h"
 #include "libavcodec/opt.h"
 #include "libavcodec/audioconvert.h"
-#include "libavcore/audioconvert.h"
-#include "libavcore/parseutils.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/samplefmt.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/fifo.h"
 #include "libavutil/intreadwrite.h"
diff --git a/ffplay.c b/ffplay.c
index 6b4f38ee35..b6343287ac 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -28,9 +28,9 @@
 #include "libavutil/avstring.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/parseutils.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/samplefmt.h"
 #include "libavformat/avformat.h"
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
diff --git a/ffserver.c b/ffserver.c
index 9a3240808b..cbf04aa4a5 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -36,7 +36,7 @@
 #include "libavutil/avstring.h"
 #include "libavutil/lfg.h"
 #include "libavutil/random_seed.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 #include "libavcodec/opt.h"
 #include <stdarg.h>
 #include <unistd.h>
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 682b626800..930affbb7a 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -1,7 +1,7 @@
 include $(SUBDIR)../config.mak
 
 NAME = avcodec
-FFLIBS = avcore avutil
+FFLIBS = avutil
 
 HEADERS = avcodec.h avfft.h dxva2.h opt.h vaapi.h vdpau.h xvmc.h
 
diff --git a/libavcodec/aacdectab.h b/libavcodec/aacdectab.h
index 500e8f2ad0..0bccb84cb7 100644
--- a/libavcodec/aacdectab.h
+++ b/libavcodec/aacdectab.h
@@ -30,7 +30,7 @@
 #ifndef AVCODEC_AACDECTAB_H
 #define AVCODEC_AACDECTAB_H
 
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "aac.h"
 
 #include <stdint.h>
diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index bab354d6b9..301aadcd84 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -24,7 +24,7 @@
 #include "ac3_parser.h"
 #include "aac_ac3_parser.h"
 #include "get_bits.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 
 #define AC3_HEADER_SIZE 7
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index 851fdc9caf..c15fd5109c 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -28,7 +28,7 @@
 
 //#define DEBUG
 
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "libavutil/crc.h"
 #include "avcodec.h"
 #include "put_bits.h"
diff --git a/libavcodec/ac3tab.c b/libavcodec/ac3tab.c
index 7c0ebcdcd3..f7b030209c 100644
--- a/libavcodec/ac3tab.c
+++ b/libavcodec/ac3tab.c
@@ -24,7 +24,7 @@
  * tables taken directly from the AC-3 spec.
  */
 
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "avcodec.h"
 #include "ac3tab.h"
 
diff --git a/libavcodec/alsdec.c b/libavcodec/alsdec.c
index bfc589d26d..41b3f0caf5 100644
--- a/libavcodec/alsdec.c
+++ b/libavcodec/alsdec.c
@@ -36,7 +36,7 @@
 #include "bytestream.h"
 #include "bgmc.h"
 #include "dsputil.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 #include "libavutil/crc.h"
 
 #include <stdint.h>
diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index e673b88bee..05498777b4 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -25,7 +25,7 @@
 #include "dsputil.h"
 #include "get_bits.h"
 #include "bytestream.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 /**
  * @file
diff --git a/libavcodec/audioconvert.c b/libavcodec/audioconvert.c
index b29b030644..67cacbdcf1 100644
--- a/libavcodec/audioconvert.c
+++ b/libavcodec/audioconvert.c
@@ -27,7 +27,7 @@
 
 #include "libavutil/avstring.h"
 #include "libavutil/libm.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 #include "avcodec.h"
 #include "audioconvert.h"
 
diff --git a/libavcodec/audioconvert.h b/libavcodec/audioconvert.h
index ae6016a611..5f38cca513 100644
--- a/libavcodec/audioconvert.h
+++ b/libavcodec/audioconvert.h
@@ -31,7 +31,7 @@
 
 #include "libavutil/cpu.h"
 #include "avcodec.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #if FF_API_OLD_SAMPLE_FMT
 /**
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 9ed6f50856..84c3b6fc79 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -27,7 +27,7 @@
  */
 
 #include <errno.h>
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 #include "libavutil/avutil.h"
 #include "libavutil/cpu.h"
 
@@ -437,7 +437,7 @@ enum CodecID {
 #endif
 
 #if FF_API_OLD_AUDIOCONVERT
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 /* Audio channel masks */
 #define CH_FRONT_LEFT            AV_CH_FRONT_LEFT
diff --git a/libavcodec/bink.c b/libavcodec/bink.c
index 95cfc92721..b77e9db0f6 100644
--- a/libavcodec/bink.c
+++ b/libavcodec/bink.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "binkdata.h"
diff --git a/libavcodec/bmpenc.c b/libavcodec/bmpenc.c
index d424662b5c..b8f9047c55 100644
--- a/libavcodec/bmpenc.c
+++ b/libavcodec/bmpenc.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/internal.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "bmp.h"
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 9d3d001297..da31e9f520 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -53,7 +53,7 @@
 #include "dsputil.h"
 #include "bytestream.h"
 #include "fft.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #include "cookdata.h"
 
diff --git a/libavcodec/dca.c b/libavcodec/dca.c
index 67195b1917..bdbe018be2 100644
--- a/libavcodec/dca.c
+++ b/libavcodec/dca.c
@@ -29,7 +29,7 @@
 #include "libavutil/common.h"
 #include "libavutil/intmath.h"
 #include "libavutil/intreadwrite.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "fft.h"
diff --git a/libavcodec/dirac.c b/libavcodec/dirac.c
index bacd1f8e9f..c8dc7a0f62 100644
--- a/libavcodec/dirac.c
+++ b/libavcodec/dirac.c
@@ -25,7 +25,7 @@
  * @author Marco Gerards <marco@gnu.org>
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "dirac.h"
 #include "avcodec.h"
 #include "golomb.h"
diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index 58893acaf9..9b37d1d632 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -22,7 +22,7 @@
 //#define TRACE
 //#define DEBUG
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dnxhddata.h"
diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c
index 55ae4e7248..ade4e8cbc0 100644
--- a/libavcodec/dpx.c
+++ b/libavcodec/dpx.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "bytestream.h"
 #include "avcodec.h"
 
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 84714def41..c89e58f529 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -27,7 +27,7 @@
  * DSP utils
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "simple_idct.h"
diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c
index 6770cd195e..7f6c2a4577 100644
--- a/libavcodec/eacmv.c
+++ b/libavcodec/eacmv.c
@@ -29,7 +29,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 typedef struct CmvContext {
diff --git a/libavcodec/eamad.c b/libavcodec/eamad.c
index 1dd3b79755..d4881ab843 100644
--- a/libavcodec/eamad.c
+++ b/libavcodec/eamad.c
@@ -34,7 +34,7 @@
 #include "aandcttab.h"
 #include "mpeg12.h"
 #include "mpeg12data.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 #define EA_PREAMBLE_SIZE    8
 #define MADk_TAG MKTAG('M', 'A', 'D', 'k')    /* MAD i-frame */
diff --git a/libavcodec/eatgv.c b/libavcodec/eatgv.c
index 075405a907..9ad083475b 100644
--- a/libavcodec/eatgv.c
+++ b/libavcodec/eatgv.c
@@ -32,7 +32,7 @@
 #define ALT_BITSTREAM_READER_LE
 #include "get_bits.h"
 #include "libavutil/lzo.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 #define EA_PREAMBLE_SIZE    8
 #define kVGT_TAG MKTAG('k', 'V', 'G', 'T')
diff --git a/libavcodec/flvdec.c b/libavcodec/flvdec.c
index b1a7578173..cf4dfe43bc 100644
--- a/libavcodec/flvdec.c
+++ b/libavcodec/flvdec.c
@@ -20,7 +20,7 @@
 #include "mpegvideo.h"
 #include "h263.h"
 #include "flv.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 void ff_flv2_decode_ac_esc(GetBitContext *gb, int *level, int *run, int *last){
     int is11 = get_bits1(gb);
diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c
index 7be284cb14..39d0db9c24 100644
--- a/libavcodec/gifdec.c
+++ b/libavcodec/gifdec.c
@@ -22,7 +22,7 @@
 
 //#define DEBUG
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "lzw.h"
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index e6f9ec9b8d..5ebf929ee9 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -25,7 +25,7 @@
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "internal.h"
 #include "dsputil.h"
 #include "avcodec.h"
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 3fe5815ea6..469d3d8bd2 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -25,7 +25,7 @@
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "internal.h"
 #include "dsputil.h"
 #include "avcodec.h"
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index 18ad7004d9..e64ce1eeb6 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -25,7 +25,7 @@
  * IFF PBM/ILBM bitmap decoder
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "bytestream.h"
 #include "avcodec.h"
 #include "get_bits.h"
diff --git a/libavcodec/imc.c b/libavcodec/imc.c
index 2b9de0b021..4cbb287a57 100644
--- a/libavcodec/imc.c
+++ b/libavcodec/imc.c
@@ -40,7 +40,7 @@
 #include "get_bits.h"
 #include "dsputil.h"
 #include "fft.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #include "imcdata.h"
 
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 6b0c049e2a..b37c343b93 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -36,8 +36,7 @@
 #include "imgconvert.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/internal.h"
+#include "libavutil/imgutils.h"
 
 #if HAVE_MMX && HAVE_YASM
 #include "x86/dsputil_mmx.h"
diff --git a/libavcodec/indeo3.c b/libavcodec/indeo3.c
index 5c4cd0564a..c9d8573692 100644
--- a/libavcodec/indeo3.c
+++ b/libavcodec/indeo3.c
@@ -23,7 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "bytestream.h"
diff --git a/libavcodec/kgv1dec.c b/libavcodec/kgv1dec.c
index efc477f37d..2f6a80c2c6 100644
--- a/libavcodec/kgv1dec.c
+++ b/libavcodec/kgv1dec.c
@@ -25,7 +25,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 typedef struct {
diff --git a/libavcodec/libdiracdec.c b/libavcodec/libdiracdec.c
index 520ec3f03a..fb6ff45f0a 100644
--- a/libavcodec/libdiracdec.c
+++ b/libavcodec/libdiracdec.c
@@ -28,7 +28,7 @@
 * (http://dirac.sourceforge.net/specification.html).
 */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "libdirac.h"
 
 #undef NDEBUG
diff --git a/libavcodec/libopenjpeg.c b/libavcodec/libopenjpeg.c
index 0a9ded896d..1f8530c7c6 100644
--- a/libavcodec/libopenjpeg.c
+++ b/libavcodec/libopenjpeg.c
@@ -24,7 +24,7 @@
 * JPEG 2000 decoder using libopenjpeg
 */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "libavutil/intreadwrite.h"
 #define  OPJ_STATIC
diff --git a/libavcodec/libschroedingerdec.c b/libavcodec/libschroedingerdec.c
index e733d9e34d..7603f7e15f 100644
--- a/libavcodec/libschroedingerdec.c
+++ b/libavcodec/libschroedingerdec.c
@@ -27,7 +27,7 @@
 * (http://dirac.sourceforge.net/specification.html).
 */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "libdirac_libschro.h"
 #include "libschroedinger.h"
diff --git a/libavcodec/libvpxdec.c b/libavcodec/libvpxdec.c
index f912322c50..29b8eec43e 100644
--- a/libavcodec/libvpxdec.c
+++ b/libavcodec/libvpxdec.c
@@ -27,7 +27,7 @@
 #include <vpx/vpx_decoder.h>
 #include <vpx/vp8dx.h>
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 typedef struct VP8DecoderContext {
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index fbc637aa30..69a1837472 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -33,7 +33,7 @@
 //#define DEBUG
 #include <assert.h>
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mjpeg.h"
diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c
index 8bdb9e5813..04657e5ff2 100644
--- a/libavcodec/mpc7.c
+++ b/libavcodec/mpc7.c
@@ -30,7 +30,7 @@
 #include "get_bits.h"
 #include "dsputil.h"
 #include "mpegaudio.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #include "mpc.h"
 #include "mpc7data.h"
diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c
index 865ffc1b98..cf65ffe904 100644
--- a/libavcodec/mpc8.c
+++ b/libavcodec/mpc8.c
@@ -30,7 +30,7 @@
 #include "get_bits.h"
 #include "dsputil.h"
 #include "mpegaudio.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #include "mpc.h"
 #include "mpcdata.h"
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index c8706bcf60..efb0365905 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -28,7 +28,7 @@
  */
 
 #include "libavutil/intmath.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "internal.h"
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index 80e04ee0a2..fd8568d5ab 100644
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -34,7 +34,7 @@
 #include "nellymoser.h"
 #include "libavutil/lfg.h"
 #include "libavutil/random_seed.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "fft.h"
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index d53d4578ba..84ee6af9b3 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -23,7 +23,7 @@
 
 #include "libavutil/bswap.h"
 #include "libavutil/lzo.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "rtjpeg.h"
diff --git a/libavcodec/pcm-mpeg.c b/libavcodec/pcm-mpeg.c
index 189b2b5691..030507502d 100644
--- a/libavcodec/pcm-mpeg.c
+++ b/libavcodec/pcm-mpeg.c
@@ -24,7 +24,7 @@
  * PCM codecs for encodings found in MPEG streams (DVD/Blu-ray)
  */
 
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 #include "avcodec.h"
 #include "bytestream.h"
 
diff --git a/libavcodec/pcx.c b/libavcodec/pcx.c
index cafade2d7d..d47417e3f7 100644
--- a/libavcodec/pcx.c
+++ b/libavcodec/pcx.c
@@ -22,7 +22,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "get_bits.h"
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 1ed475787f..b7fe560953 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -28,7 +28,7 @@
 #include "dsputil.h"
 #include "bytestream.h"
 #include "libavutil/colorspace.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 //#define DEBUG_PACKET_CONTENTS
 
diff --git a/libavcodec/pictordec.c b/libavcodec/pictordec.c
index 59885ae383..f1b3607082 100644
--- a/libavcodec/pictordec.c
+++ b/libavcodec/pictordec.c
@@ -24,7 +24,7 @@
  * Pictor/PC Paint decoder
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "cga_data.h"
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 4bc5c3705a..2f9b343e5b 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -18,7 +18,7 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "png.h"
diff --git a/libavcodec/pnm.c b/libavcodec/pnm.c
index c104e23427..2cbbdf60ea 100644
--- a/libavcodec/pnm.c
+++ b/libavcodec/pnm.c
@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "pnm.h"
 
diff --git a/libavcodec/ptx.c b/libavcodec/ptx.c
index 86b06b4aaa..28df0b6f2e 100644
--- a/libavcodec/ptx.c
+++ b/libavcodec/ptx.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 typedef struct PTXContext {
diff --git a/libavcodec/qtrleenc.c b/libavcodec/qtrleenc.c
index 78149e5ed8..8815736e87 100644
--- a/libavcodec/qtrleenc.c
+++ b/libavcodec/qtrleenc.c
@@ -22,7 +22,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 
diff --git a/libavcodec/rawdec.c b/libavcodec/rawdec.c
index 29cc5e44d8..baffceb51b 100644
--- a/libavcodec/rawdec.c
+++ b/libavcodec/rawdec.c
@@ -28,8 +28,7 @@
 #include "imgconvert.h"
 #include "raw.h"
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/internal.h"
+#include "libavutil/imgutils.h"
 
 typedef struct RawVideoContext {
     uint32_t palette[AVPALETTE_COUNT];
diff --git a/libavcodec/resample.c b/libavcodec/resample.c
index 272831520d..45fba69f45 100644
--- a/libavcodec/resample.c
+++ b/libavcodec/resample.c
@@ -27,7 +27,7 @@
 #include "avcodec.h"
 #include "audioconvert.h"
 #include "libavutil/opt.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 
 struct AVResampleContext;
 
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index f47540d8f1..e6e9afafb0 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -25,7 +25,7 @@
  * RV10/RV20 decoder
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mpegvideo.h"
diff --git a/libavcodec/rv40.c b/libavcodec/rv40.c
index acebeb7da5..5d4aafc004 100644
--- a/libavcodec/rv40.c
+++ b/libavcodec/rv40.c
@@ -24,7 +24,7 @@
  * RV40 decoder
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 #include "avcodec.h"
 #include "dsputil.h"
diff --git a/libavcodec/sgidec.c b/libavcodec/sgidec.c
index ac2adfe7ca..96af5c6fc1 100644
--- a/libavcodec/sgidec.c
+++ b/libavcodec/sgidec.c
@@ -19,7 +19,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "sgi.h"
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index 61f1604616..e3f00b8415 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -32,7 +32,7 @@
 #include <stdlib.h>
 
 #include "avcodec.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #define ALT_BITSTREAM_READER_LE
 #include "get_bits.h"
diff --git a/libavcodec/srtdec.c b/libavcodec/srtdec.c
index 30fdc12fe7..af03cc4d1c 100644
--- a/libavcodec/srtdec.c
+++ b/libavcodec/srtdec.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/avstring.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 #include "avcodec.h"
 #include "ass.h"
 
diff --git a/libavcodec/sunrast.c b/libavcodec/sunrast.c
index 76b65b356c..73e4b5b91c 100644
--- a/libavcodec/sunrast.c
+++ b/libavcodec/sunrast.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 #define RT_OLD          0
diff --git a/libavcodec/targa.c b/libavcodec/targa.c
index e6e1ca6f21..ef6e92bddf 100644
--- a/libavcodec/targa.c
+++ b/libavcodec/targa.c
@@ -20,7 +20,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "targa.h"
 
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index b012baa994..8295a4b4c0 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -33,7 +33,7 @@
 #include "faxcompr.h"
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 typedef struct TiffContext {
     AVCodecContext *avctx;
diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c
index 448da84c57..c7d414a648 100644
--- a/libavcodec/truemotion1.c
+++ b/libavcodec/truemotion1.c
@@ -35,7 +35,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 #include "truemotion1data.h"
 
diff --git a/libavcodec/txd.c b/libavcodec/txd.c
index b394e1f5be..da1f5c1e20 100644
--- a/libavcodec/txd.c
+++ b/libavcodec/txd.c
@@ -22,7 +22,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "s3tc.h"
 
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index c4bba376bb..03fa7baeb5 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -29,10 +29,9 @@
 #include "libavutil/integer.h"
 #include "libavutil/crc.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/audioconvert.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/internal.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/samplefmt.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "libavutil/opt.h"
@@ -1169,7 +1168,7 @@ unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
 }
 
 #if LIBAVCODEC_VERSION_MAJOR < 53
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 
 int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str)
 {
diff --git a/libavcodec/vorbis_data.c b/libavcodec/vorbis_data.c
index 783a5daa00..8fa624168a 100644
--- a/libavcodec/vorbis_data.c
+++ b/libavcodec/vorbis_data.c
@@ -20,7 +20,7 @@
 
 #include "dsputil.h"
 #include "vorbis.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 const uint8_t ff_vorbis_channel_layout_offsets[8][8] = {
     { 0 },
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 726f18cb92..ee41846e74 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -33,7 +33,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "dsputil.h"
 #include "get_bits.h"
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 3cd76249d0..a66c10d655 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -22,7 +22,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "vp56.h"
 #include "vp8data.h"
diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c
index c3b5ba6556..f0ecda6217 100644
--- a/libavcodec/vqavideo.c
+++ b/libavcodec/vqavideo.c
@@ -68,7 +68,7 @@
 #include <string.h>
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 
 #define PALETTE_COUNT 256
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index ffb5018c57..d5102320fd 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -22,7 +22,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "unary.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 /**
  * @file
diff --git a/libavcodec/xsubdec.c b/libavcodec/xsubdec.c
index 872b227d64..d24588b8d9 100644
--- a/libavcodec/xsubdec.c
+++ b/libavcodec/xsubdec.c
@@ -18,7 +18,7 @@
  * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avcodec.h"
 #include "get_bits.h"
 #include "bytestream.h"
diff --git a/libavcodec/yop.c b/libavcodec/yop.c
index 6a75e74b7a..a117e2d791 100644
--- a/libavcodec/yop.c
+++ b/libavcodec/yop.c
@@ -24,7 +24,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 #include "avcodec.h"
 #include "get_bits.h"
diff --git a/libavcore/Makefile b/libavcore/Makefile
deleted file mode 100644
index f2e829702e..0000000000
--- a/libavcore/Makefile
+++ /dev/null
@@ -1,20 +0,0 @@
-include $(SUBDIR)../config.mak
-
-NAME = avcore
-FFLIBS = avutil
-
-HEADERS = \
-          audioconvert.h                                                \
-          avcore.h                                                      \
-          imgutils.h                                                    \
-          parseutils.h                                                  \
-          samplefmt.h                                                   \
-
-OBJS = \
-       audioconvert.o                                                   \
-       imgutils.o                                                       \
-       parseutils.o                                                     \
-       samplefmt.o                                                      \
-       utils.o                                                          \
-
-include $(SUBDIR)../subdir.mak
diff --git a/libavcore/avcore.h b/libavcore/avcore.h
deleted file mode 100644
index 9b02c3b58c..0000000000
--- a/libavcore/avcore.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCORE_AVCORE_H
-#define AVCORE_AVCORE_H
-
-/**
- * @file
- * shared media utilities for the libav* libraries
- */
-
-#include "libavutil/avutil.h"
-
-#define LIBAVCORE_VERSION_MAJOR  0
-#define LIBAVCORE_VERSION_MINOR 16
-#define LIBAVCORE_VERSION_MICRO  1
-
-#define LIBAVCORE_VERSION_INT   AV_VERSION_INT(LIBAVCORE_VERSION_MAJOR, \
-                                               LIBAVCORE_VERSION_MINOR, \
-                                               LIBAVCORE_VERSION_MICRO)
-#define LIBAVCORE_VERSION       AV_VERSION(LIBAVCORE_VERSION_MAJOR,     \
-                                           LIBAVCORE_VERSION_MINOR,     \
-                                           LIBAVCORE_VERSION_MICRO)
-#define LIBAVCORE_BUILD         LIBAVCORE_VERSION_INT
-
-#define LIBAVCORE_IDENT         "Lavcore" AV_STRINGIFY(LIBAVCORE_VERSION)
-
-/**
- * Return the LIBAVCORE_VERSION_INT constant.
- */
-unsigned avcore_version(void);
-
-/**
- * Return the libavcore build-time configuration.
- */
-const char *avcore_configuration(void);
-
-/**
- * Return the libavcore license.
- */
-const char *avcore_license(void);
-
-#define AV_NOPTS_VALUE          INT64_C(0x8000000000000000)
-#define AV_TIME_BASE            1000000
-#define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
-
-/**
- * Those FF_API_* defines are not part of public API.
- * They may change, break or disappear at any time.
- */
-#ifndef FF_API_OLD_IMAGE_NAMES
-#define FF_API_OLD_IMAGE_NAMES (LIBAVCORE_VERSION_MAJOR < 1)
-#endif
-
-#endif /* AVCORE_AVCORE_H */
diff --git a/libavcore/internal.h b/libavcore/internal.h
deleted file mode 100644
index 3960bd3986..0000000000
--- a/libavcore/internal.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCORE_INTERNAL_H
-#define AVCORE_INTERNAL_H
-
-/**
- * @file
- * internal functions
- */
-
-#include "avcore.h"
-
-int ff_set_systematic_pal2(uint32_t pal[256], enum PixelFormat pix_fmt);
-
-#endif /* AVCORE_INTERNAL_H */
diff --git a/libavcore/libavcore.v b/libavcore/libavcore.v
deleted file mode 100644
index dc84cc4965..0000000000
--- a/libavcore/libavcore.v
+++ /dev/null
@@ -1,4 +0,0 @@
-LIBAVCORE_$MAJOR {
-        global: av_*; ff_*; avcore*;
-        local: *;
-};
diff --git a/libavcore/utils.c b/libavcore/utils.c
deleted file mode 100644
index 8350a9bcad..0000000000
--- a/libavcore/utils.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-#include "avcore.h"
-
-/**
- * @file
- * various utility functions
- */
-
-unsigned avcore_version(void)
-{
-    return LIBAVCORE_VERSION_INT;
-}
-
-const char *avcore_configuration(void)
-{
-    return FFMPEG_CONFIGURATION;
-}
-
-const char *avcore_license(void)
-{
-#define LICENSE_PREFIX "libavcore license: "
-    return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
-}
diff --git a/libavdevice/Makefile b/libavdevice/Makefile
index 1c0630b38c..be28f4a0ad 100644
--- a/libavdevice/Makefile
+++ b/libavdevice/Makefile
@@ -1,7 +1,7 @@
 include $(SUBDIR)../config.mak
 
 NAME    = avdevice
-FFLIBS  = avformat avcodec avcore avutil
+FFLIBS  = avformat avcodec avutil
 
 HEADERS = avdevice.h
 
diff --git a/libavdevice/v4l.c b/libavdevice/v4l.c
index c107684bff..9a155f9df6 100644
--- a/libavdevice/v4l.c
+++ b/libavdevice/v4l.c
@@ -22,7 +22,7 @@
 #undef __STRICT_ANSI__ //workaround due to broken kernel headers
 #include "config.h"
 #include "libavutil/rational.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "libavformat/avformat.h"
 #include "libavcodec/dsputil.h"
 #include <unistd.h>
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 993e2adcec..1f1a4bcfb8 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -43,7 +43,7 @@
 #endif
 #include <time.h>
 #include <strings.h>
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 static const int desired_video_buffers = 256;
 
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index ce1caa5bdc..abb68c811d 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -1,7 +1,7 @@
 include $(SUBDIR)../config.mak
 
 NAME = avfilter
-FFLIBS = avcore avutil
+FFLIBS = avutil
 FFLIBS-$(CONFIG_MOVIE_FILTER) += avformat avcodec
 FFLIBS-$(CONFIG_SCALE_FILTER) += swscale
 
diff --git a/libavfilter/asrc_anullsrc.c b/libavfilter/asrc_anullsrc.c
index 306e0a3d5a..4f49c3f186 100644
--- a/libavfilter/asrc_anullsrc.c
+++ b/libavfilter/asrc_anullsrc.c
@@ -22,7 +22,7 @@
  */
 
 #include "avfilter.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 typedef struct {
     int64_t channel_layout;
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 4d183294cb..039e04bf64 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -23,8 +23,8 @@
 
 #include "libavutil/pixdesc.h"
 #include "libavutil/rational.h"
-#include "libavcore/audioconvert.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/imgutils.h"
 #include "avfilter.h"
 #include "internal.h"
 
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 451d0befff..935214da68 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -23,8 +23,7 @@
 #define AVFILTER_AVFILTER_H
 
 #include "libavutil/avutil.h"
-#include "libavcore/avcore.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 
 #define LIBAVFILTER_VERSION_MAJOR  1
 #define LIBAVFILTER_VERSION_MINOR 76
@@ -585,7 +584,7 @@ struct AVFilterLink {
     int h;                      ///< agreed upon image height
     AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
     /* These two parameters apply only to audio */
-    int64_t channel_layout;     ///< channel layout of current buffer (see libavcore/audioconvert.h)
+    int64_t channel_layout;     ///< channel layout of current buffer (see libavutil/audioconvert.h)
     int64_t sample_rate;        ///< samples per second
 
     int format;                 ///< agreed upon media format
diff --git a/libavfilter/defaults.c b/libavfilter/defaults.c
index 9f245c306f..1da2630471 100644
--- a/libavfilter/defaults.c
+++ b/libavfilter/defaults.c
@@ -19,9 +19,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "libavcore/audioconvert.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/audioconvert.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/samplefmt.h"
 #include "avfilter.h"
 #include "internal.h"
 
diff --git a/libavfilter/vf_crop.c b/libavfilter/vf_crop.c
index e768fbb594..e02c24fe84 100644
--- a/libavfilter/vf_crop.c
+++ b/libavfilter/vf_crop.c
@@ -29,7 +29,7 @@
 #include "libavutil/eval.h"
 #include "libavutil/avstring.h"
 #include "libavutil/libm.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 static const char *var_names[] = {
     "E",
diff --git a/libavfilter/vf_cropdetect.c b/libavfilter/vf_cropdetect.c
index 62c68640a3..000c8bb2c2 100644
--- a/libavfilter/vf_cropdetect.c
+++ b/libavfilter/vf_cropdetect.c
@@ -23,7 +23,7 @@
  * Ported from MPlayer libmpcodecs/vf_cropdetect.c.
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avfilter.h"
 
 typedef struct {
diff --git a/libavfilter/vf_drawbox.c b/libavfilter/vf_drawbox.c
index 40d5e16e1b..3785072920 100644
--- a/libavfilter/vf_drawbox.c
+++ b/libavfilter/vf_drawbox.c
@@ -26,7 +26,7 @@
 
 #include "libavutil/colorspace.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 #include "avfilter.h"
 
 enum { Y, U, V, A };
diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index 03d4f28f2d..adccccb95b 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -27,8 +27,8 @@
 #include <dlfcn.h>
 #include <frei0r.h>
 #include "libavutil/avstring.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/parseutils.h"
 #include "avfilter.h"
 
 typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 3a400a04eb..83ed3d79e4 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -32,7 +32,7 @@
  * Dither it back to 8bit.
  */
 
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/cpu.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
diff --git a/libavfilter/vf_hflip.c b/libavfilter/vf_hflip.c
index 4deb14a53d..5250695f3f 100644
--- a/libavfilter/vf_hflip.c
+++ b/libavfilter/vf_hflip.c
@@ -27,7 +27,7 @@
 #include "avfilter.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/intreadwrite.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 typedef struct {
     int max_step[4];    ///< max pixel step for each plane, expressed as a number of bytes
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index a170e817a2..0eb24b9682 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -29,7 +29,7 @@
 #include "libavutil/eval.h"
 #include "libavutil/avstring.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "internal.h"
 
 static const char *var_names[] = {
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 467db5bf68..7413071913 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -28,8 +28,8 @@
 #include "libavutil/pixdesc.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/avassert.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/parseutils.h"
 
 enum { RED = 0, GREEN, BLUE, ALPHA };
 
diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
index 272b17ff1a..ed91aaade5 100644
--- a/libavfilter/vf_transpose.c
+++ b/libavfilter/vf_transpose.c
@@ -27,7 +27,7 @@
 
 #include "libavutil/intreadwrite.h"
 #include "libavutil/pixdesc.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "avfilter.h"
 
 typedef struct {
diff --git a/libavfilter/vsrc_buffer.c b/libavfilter/vsrc_buffer.c
index 74d9bf6201..3c48a71c71 100644
--- a/libavfilter/vsrc_buffer.c
+++ b/libavfilter/vsrc_buffer.c
@@ -25,7 +25,7 @@
 
 #include "avfilter.h"
 #include "vsrc_buffer.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 
 typedef struct {
     int64_t           pts;
diff --git a/libavfilter/vsrc_movie.c b/libavfilter/vsrc_movie.c
index 4fd56febad..fac30f9a2f 100644
--- a/libavfilter/vsrc_movie.c
+++ b/libavfilter/vsrc_movie.c
@@ -33,7 +33,7 @@
 #include <float.h>
 #include "libavutil/avstring.h"
 #include "libavutil/opt.h"
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "libavformat/avformat.h"
 #include "avfilter.h"
 
diff --git a/libavfilter/vsrc_nullsrc.c b/libavfilter/vsrc_nullsrc.c
index 1cd06e13f3..487aa50069 100644
--- a/libavfilter/vsrc_nullsrc.c
+++ b/libavfilter/vsrc_nullsrc.c
@@ -23,7 +23,7 @@
 
 #include "libavutil/avstring.h"
 #include "libavutil/eval.h"
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 #include "avfilter.h"
 
 static const char *var_names[] = {
diff --git a/libavformat/Makefile b/libavformat/Makefile
index 1d4e75e75c..f319031c26 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -1,7 +1,7 @@
 include $(SUBDIR)../config.mak
 
 NAME = avformat
-FFLIBS = avcodec avcore avutil
+FFLIBS = avcodec avutil
 
 HEADERS = avformat.h avio.h version.h
 
diff --git a/libavformat/aea.c b/libavformat/aea.c
index 8a508ec50a..16a11c86af 100644
--- a/libavformat/aea.c
+++ b/libavformat/aea.c
@@ -23,7 +23,7 @@
 #include "avformat.h"
 #include "pcm.h"
 #include "libavutil/intreadwrite.h"
-#include "libavcore/audioconvert.h"
+#include "libavutil/audioconvert.h"
 
 #define AT1_SU_SIZE     212
 
diff --git a/libavformat/flic.c b/libavformat/flic.c
index 2e03c3b3a1..5942f721dc 100644
--- a/libavformat/flic.c
+++ b/libavformat/flic.c
@@ -32,8 +32,8 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/audioconvert.h"
 #include "avformat.h"
-#include "libavcore/audioconvert.h"
 
 #define FLIC_FILE_MAGIC_1 0xAF11
 #define FLIC_FILE_MAGIC_2 0xAF12
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index a288c7f85f..1d0dc38ca8 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -26,7 +26,7 @@
 #include "avc.h"
 #include "flacenc.h"
 #include "avlanguage.h"
-#include "libavcore/samplefmt.h"
+#include "libavutil/samplefmt.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/random_seed.h"
 #include "libavutil/lfg.h"
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 2303244d4c..225b9f22da 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3341,7 +3341,7 @@ void dump_format(AVFormatContext *ic,
 }
 
 #if FF_API_PARSE_FRAME_PARAM
-#include "libavcore/parseutils.h"
+#include "libavutil/parseutils.h"
 
 int parse_image_size(int *width_ptr, int *height_ptr, const char *str)
 {
diff --git a/libavformat/wv.c b/libavformat/wv.c
index 182f900f36..c9a1f0ed9c 100644
--- a/libavformat/wv.c
+++ b/libavformat/wv.c
@@ -19,11 +19,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/audioconvert.h"
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
 #include "apetag.h"
 #include "id3v1.h"
-#include "libavcore/audioconvert.h"
 
 // specs say that maximum block size is 1Mb
 #define WV_BLOCK_LIMIT 1047576
diff --git a/libavutil/Makefile b/libavutil/Makefile
index fe0302c3b4..300acb1896 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -4,6 +4,7 @@ NAME = avutil
 
 HEADERS = adler32.h                                                     \
           attributes.h                                                  \
+          audioconvert.h                                                \
           avassert.h                                                    \
           avstring.h                                                    \
           avutil.h                                                      \
@@ -16,6 +17,7 @@ HEADERS = adler32.h                                                     \
           eval.h                                                        \
           fifo.h                                                        \
           file.h                                                        \
+          imgutils.h                                                    \
           intfloat_readwrite.h                                          \
           intreadwrite.h                                                \
           lfg.h                                                         \
@@ -25,16 +27,19 @@ HEADERS = adler32.h                                                     \
           md5.h                                                         \
           mem.h                                                         \
           opt.h                                                         \
+          parseutils.h                                                  \
           pixdesc.h                                                     \
           pixfmt.h                                                      \
           random_seed.h                                                 \
           rational.h                                                    \
+          samplefmt.h                                                   \
           sha1.h                                                        \
 
 BUILT_HEADERS = avconfig.h
 
 OBJS = adler32.o                                                        \
        aes.o                                                            \
+       audioconvert.o                                                   \
        avstring.o                                                       \
        base64.o                                                         \
        cpu.o                                                            \
@@ -44,6 +49,7 @@ OBJS = adler32.o                                                        \
        eval.o                                                           \
        fifo.o                                                           \
        file.o                                                           \
+       imgutils.o                                                       \
        intfloat_readwrite.o                                             \
        inverse.o                                                        \
        lfg.o                                                            \
@@ -54,10 +60,12 @@ OBJS = adler32.o                                                        \
        md5.o                                                            \
        mem.o                                                            \
        opt.o                                                            \
+       parseutils.o                                                     \
        pixdesc.o                                                        \
        random_seed.o                                                    \
        rational.o                                                       \
        rc4.o                                                            \
+       samplefmt.o                                                      \
        sha.o                                                            \
        tree.o                                                           \
        utils.o                                                          \
diff --git a/libavcore/audioconvert.c b/libavutil/audioconvert.c
similarity index 99%
rename from libavcore/audioconvert.c
rename to libavutil/audioconvert.c
index c7207338a4..8bc43f8936 100644
--- a/libavcore/audioconvert.c
+++ b/libavutil/audioconvert.c
@@ -23,6 +23,7 @@
  * audio conversion routines
  */
 
+#include "libavutil/avutil.h"
 #include "libavutil/avstring.h"
 #include "audioconvert.h"
 
diff --git a/libavcore/audioconvert.h b/libavutil/audioconvert.h
similarity index 97%
rename from libavcore/audioconvert.h
rename to libavutil/audioconvert.h
index 89e9c55d17..134c6107c9 100644
--- a/libavcore/audioconvert.h
+++ b/libavutil/audioconvert.h
@@ -19,16 +19,16 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVCORE_AUDIOCONVERT_H
-#define AVCORE_AUDIOCONVERT_H
+#ifndef AVUTIL_AUDIOCONVERT_H
+#define AVUTIL_AUDIOCONVERT_H
+
+#include <stdint.h>
 
 /**
  * @file
  * audio conversion routines
  */
 
-#include "avcore.h"
-
 /* Audio channel masks */
 #define AV_CH_FRONT_LEFT             0x00000001
 #define AV_CH_FRONT_RIGHT            0x00000002
@@ -92,4 +92,4 @@ void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, int6
  */
 int av_get_channel_layout_nb_channels(int64_t channel_layout);
 
-#endif /* AVCORE_AUDIOCONVERT_H */
+#endif /* AVUTIL_AUDIOCONVERT_H */
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index d6338a7689..7d1d4ccd0f 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -40,7 +40,7 @@
 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
 
 #define LIBAVUTIL_VERSION_MAJOR 50
-#define LIBAVUTIL_VERSION_MINOR 37
+#define LIBAVUTIL_VERSION_MINOR 38
 #define LIBAVUTIL_VERSION_MICRO  0
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
@@ -93,6 +93,18 @@ enum AVMediaType {
 
 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
 
+#define AV_NOPTS_VALUE          INT64_C(0x8000000000000000)
+#define AV_TIME_BASE            1000000
+#define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
+
+/**
+ * Those FF_API_* defines are not part of public API.
+ * They may change, break or disappear at any time.
+ */
+#ifndef FF_API_OLD_IMAGE_NAMES
+#define FF_API_OLD_IMAGE_NAMES (LIBAVUTIL_VERSION_MAJOR < 51)
+#endif
+
 #include "common.h"
 #include "error.h"
 #include "mathematics.h"
diff --git a/libavcore/imgutils.c b/libavutil/imgutils.c
similarity index 100%
rename from libavcore/imgutils.c
rename to libavutil/imgutils.c
diff --git a/libavcore/imgutils.h b/libavutil/imgutils.h
similarity index 96%
rename from libavcore/imgutils.h
rename to libavutil/imgutils.h
index 6c39d53119..c181863579 100644
--- a/libavcore/imgutils.h
+++ b/libavutil/imgutils.h
@@ -16,8 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVCORE_IMGUTILS_H
-#define AVCORE_IMGUTILS_H
+#ifndef AVUTIL_IMGUTILS_H
+#define AVUTIL_IMGUTILS_H
 
 /**
  * @file
@@ -25,7 +25,7 @@
  */
 
 #include "libavutil/pixdesc.h"
-#include "avcore.h"
+#include "avutil.h"
 
 /**
  * Compute the max pixel step for each plane of an image with a
@@ -125,6 +125,8 @@ void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
  */
 int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
 
+int ff_set_systematic_pal2(uint32_t pal[256], enum PixelFormat pix_fmt);
+
 #if FF_API_OLD_IMAGE_NAMES
 attribute_deprecated
 void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
@@ -144,4 +146,4 @@ attribute_deprecated
 int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx);
 #endif
 
-#endif /* AVCORE_IMGUTILS_H */
+#endif /* AVUTIL_IMGUTILS_H */
diff --git a/libavcore/parseutils.c b/libavutil/parseutils.c
similarity index 99%
rename from libavcore/parseutils.c
rename to libavutil/parseutils.c
index abf0422ff4..09eebcf56f 100644
--- a/libavcore/parseutils.c
+++ b/libavutil/parseutils.c
@@ -18,7 +18,7 @@
 
 /**
  * @file
- * misc parsing utilities for libavcore
+ * misc parsing utilities
  */
 
 #include <strings.h>
diff --git a/libavcore/parseutils.h b/libavutil/parseutils.h
similarity index 95%
rename from libavcore/parseutils.h
rename to libavutil/parseutils.h
index 052427bbfd..2c99872289 100644
--- a/libavcore/parseutils.h
+++ b/libavutil/parseutils.h
@@ -16,14 +16,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVCORE_PARSEUTILS_H
-#define AVCORE_PARSEUTILS_H
+#ifndef AVUTIL_PARSEUTILS_H
+#define AVUTIL_PARSEUTILS_H
 
 #include "libavutil/rational.h"
 
 /**
  * @file
- * misc parsing utilities for libavcore
+ * misc parsing utilities
  */
 
 /**
@@ -72,4 +72,4 @@ int av_parse_video_rate(AVRational *rate, const char *str);
 int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen,
                    void *log_ctx);
 
-#endif /* AVCORE_PARSEUTILS_H */
+#endif /* AVUTIL_PARSEUTILS_H */
diff --git a/libavcore/samplefmt.c b/libavutil/samplefmt.c
similarity index 97%
rename from libavcore/samplefmt.c
rename to libavutil/samplefmt.c
index 532acd9507..c9ffd1ac55 100644
--- a/libavcore/samplefmt.c
+++ b/libavutil/samplefmt.c
@@ -16,9 +16,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "avcore.h"
 #include "samplefmt.h"
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
 typedef struct SampleFmtInfo {
     const char *name;
     int bits;
diff --git a/libavcore/samplefmt.h b/libavutil/samplefmt.h
similarity index 93%
rename from libavcore/samplefmt.h
rename to libavutil/samplefmt.h
index 9701efe7be..0604580a7a 100644
--- a/libavcore/samplefmt.h
+++ b/libavutil/samplefmt.h
@@ -16,10 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVCORE_SAMPLEFMT_H
-#define AVCORE_SAMPLEFMT_H
-
-#include "avcore.h"
+#ifndef AVUTIL_SAMPLEFMT_H
+#define AVUTIL_SAMPLEFMT_H
 
 /**
  * all in native-endian format
@@ -31,7 +29,7 @@ enum AVSampleFormat {
     AV_SAMPLE_FMT_S32,         ///< signed 32 bits
     AV_SAMPLE_FMT_FLT,         ///< float
     AV_SAMPLE_FMT_DBL,         ///< double
-    AV_SAMPLE_FMT_NB           ///< Number of sample formats. DO NOT USE if dynamically linking to libavcore
+    AV_SAMPLE_FMT_NB           ///< Number of sample formats. DO NOT USE if linking dynamically
 };
 
 /**
@@ -69,4 +67,4 @@ char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat samp
  */
 int av_get_bits_per_sample_fmt(enum AVSampleFormat sample_fmt);
 
-#endif /* AVCORE_SAMPLEFMT_H */
+#endif /* AVUTIL_SAMPLEFMT_H */
diff --git a/libswscale/Makefile b/libswscale/Makefile
index 8c5c4b9da4..6976079686 100644
--- a/libswscale/Makefile
+++ b/libswscale/Makefile
@@ -20,4 +20,3 @@ TESTPROGS = colorspace swscale
 DIRS = bfin mlib ppc sparc x86
 
 include $(SUBDIR)../subdir.mak
-$(SUBDIR)swscale-test$(EXESUF): ELIBS = -lavcore
diff --git a/libswscale/swscale-test.c b/libswscale/swscale-test.c
index bd24f3e006..7f171ea725 100644
--- a/libswscale/swscale-test.c
+++ b/libswscale/swscale-test.c
@@ -25,7 +25,7 @@
 #include <stdarg.h>
 
 #undef HAVE_AV_CONFIG_H
-#include "libavcore/imgutils.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/mem.h"
 #include "libavutil/avutil.h"
 #include "libavutil/crc.h"