diff --git a/configure b/configure
index 9b2f2aeb03..a7990f5dd3 100755
--- a/configure
+++ b/configure
@@ -120,6 +120,7 @@ Component options:
   --disable-avdevice       disable libavdevice build
   --disable-avcodec        disable libavcodec build
   --disable-avformat       disable libavformat build
+  --disable-avutil         disable libavutil build
   --disable-swresample     disable libswresample build
   --disable-swscale        disable libswscale build
   --disable-postproc       disable libpostproc build
@@ -1091,6 +1092,17 @@ DOCUMENT_LIST="
     txtpages
 "
 
+LIBRARY_LIST="
+    avcodec
+    avdevice
+    avfilter
+    avformat
+    avresample
+    avutil
+    swresample
+    swscale
+"
+
 PROGRAM_LIST="
     ffplay
     ffprobe
@@ -1101,12 +1113,8 @@ PROGRAM_LIST="
 CONFIG_LIST="
     $COMPONENT_LIST
     $DOCUMENT_LIST
+    $LIBRARY_LIST
     $PROGRAM_LIST
-    avcodec
-    avdevice
-    avfilter
-    avformat
-    avresample
     avisynth
     bzlib
     crystalhd
@@ -1179,8 +1187,6 @@ CONFIG_LIST="
     small
     sram
     static
-    swresample
-    swscale
     swscale_alpha
     thumb
     vaapi
@@ -1432,7 +1438,6 @@ HAVE_LIST="
 CONFIG_EXTRA="
     aandcttables
     ac3dsp
-    avutil
     error_resilience
     gcrypt
     golomb
@@ -1966,9 +1971,13 @@ tinterlace_merge_test_deps="tinterlace_filter"
 tinterlace_pad_test_deps="tinterlace_filter"
 
 # libraries
-avdevice_deps="avcodec avformat"
-avformat_deps="avcodec"
+avcodec_deps="avutil"
+avdevice_deps="avutil avcodec avformat"
+avfilter_deps="avutil"
+avformat_deps="avutil avcodec"
+avresample_deps="avutil"
 postproc_deps="gpl"
+swscale_deps="avutil"
 
 # programs
 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
@@ -2035,16 +2044,9 @@ ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
 # configurable options
 enable $PROGRAM_LIST
 enable $DOCUMENT_LIST
-
-enable avcodec
-enable avdevice
-enable avfilter
-enable avformat
-enable avutil
+enable $(filter_out avresample $LIBRARY_LIST)
 enable postproc
 enable stripping
-enable swresample
-enable swscale
 
 enable asm
 enable debug
@@ -4338,7 +4340,7 @@ NOREDZONE_FLAGS=$noredzone_flags
 EOF
 
 get_version(){
-    lcname=$1
+    lcname=lib${1}
     name=$(toupper $lcname)
     file=$source_path/$lcname/version.h
     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
@@ -4362,14 +4364,7 @@ fi
 
 get_version_old LIBPOSTPROC libpostproc/version.h
 
-get_version libavcodec
-get_version libavdevice
-get_version libavfilter
-get_version libavformat
-get_version libavresample
-get_version libavutil
-get_version libswresample
-get_version libswscale
+map 'get_version $v' $LIBRARY_LIST
 
 cat > $TMPH <<EOF
 /* Automatically generated by configure - do not modify! */
diff --git a/libavformat/riff.c b/libavformat/riff.c
index 0cb1694d88..684546670a 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -824,12 +824,13 @@ int ff_read_riff_info(AVFormatContext *s, int64_t size)
 
         chunk_code = avio_rl32(pb);
         chunk_size = avio_rl32(pb);
+
         if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
             avio_seek(pb, -9, SEEK_CUR);
             chunk_code = avio_rl32(pb);
             chunk_size = avio_rl32(pb);
             if (chunk_size > end || end - chunk_size < cur || chunk_size == UINT_MAX) {
-                av_log(s, AV_LOG_ERROR, "too big INFO subchunk\n");
+                av_log(s, AV_LOG_WARNING, "too big INFO subchunk\n");
                 return AVERROR_INVALIDDATA;
             }
         }
diff --git a/libavutil/x86/float_dsp.asm b/libavutil/x86/float_dsp.asm
index 9b7608c7d0..a3200c64b6 100644
--- a/libavutil/x86/float_dsp.asm
+++ b/libavutil/x86/float_dsp.asm
@@ -91,3 +91,32 @@ VECTOR_FMAC_SCALAR
 INIT_YMM avx
 VECTOR_FMAC_SCALAR
 %endif
+
+;------------------------------------------------------------------------------
+; void ff_vector_fmul_scalar(float *dst, const float *src, float mul, int len)
+;------------------------------------------------------------------------------
+
+%macro VECTOR_FMUL_SCALAR 0
+%if UNIX64
+cglobal vector_fmul_scalar, 3,3,2, dst, src, len
+%else
+cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len
+%endif
+%if ARCH_X86_32
+    movss    m0, mulm
+%elif WIN64
+    SWAP 0, 2
+%endif
+    shufps   m0, m0, 0
+    lea    lenq, [lend*4-mmsize]
+.loop:
+    mova     m1, [srcq+lenq]
+    mulps    m1, m0
+    mova  [dstq+lenq], m1
+    sub    lenq, mmsize
+    jge .loop
+    REP_RET
+%endmacro
+
+INIT_XMM sse
+VECTOR_FMUL_SCALAR
diff --git a/libavutil/x86/float_dsp_init.c b/libavutil/x86/float_dsp_init.c
index 1382373185..259fda146e 100644
--- a/libavutil/x86/float_dsp_init.c
+++ b/libavutil/x86/float_dsp_init.c
@@ -32,6 +32,9 @@ extern void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul,
 extern void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul,
                                       int len);
 
+extern void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul,
+                                      int len);
+
 void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
 {
     int mm_flags = av_get_cpu_flags();
@@ -39,6 +42,7 @@ void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
     if (EXTERNAL_SSE(mm_flags)) {
         fdsp->vector_fmul = ff_vector_fmul_sse;
         fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
+        fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
     }
     if (EXTERNAL_AVX(mm_flags)) {
         fdsp->vector_fmul = ff_vector_fmul_avx;