diff --git a/ffmpeg4.spec b/ffmpeg4.spec
index 2a41bda..24758f1 100644
--- a/ffmpeg4.spec
+++ b/ffmpeg4.spec
@@ -1,15 +1,11 @@
 %define enable_gpl  1
 %define enable_non_free  1
-#% define buildyear %(echo %{version} | cut -b 7-10)
-#% define buildmonth %(echo %{version} | cut -b 11-12)
-#% define buildday %(echo %{version} | cut -b 13-14)
 %define buildver %{version}
-#% define buildver export-%{buildyear}-%{buildmonth}-%{buildday}
 
 Name:          ffmpeg4
 Epoch:         1
 Version:       4.4.1
-Release:       2mamba
+Release:       3mamba
 Summary:       Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder
 Group:         System/Libraries
 Vendor:        openmamba
@@ -229,6 +225,8 @@ This package contains only ffmpeg's postproc post-processing headers and static
 %package -n libavresample-ffmpeg4
 Summary:       ffmpeg resample library
 Group:         System/Libraries
+Provides:      libavresample-ffmpeg
+Obsoletes:     libavresample-ffmpeg < 1:4.4.1-3mamba
 
 %description -n libavresample-ffmpeg4
 FFmpeg resample library.
@@ -237,6 +235,8 @@ FFmpeg resample library.
 Summary:       Shared header files and static libraries part of ffmpeg libavresample
 Group:         System/Libraries
 Requires:      libavresample-ffmpeg4 = %{?epoch:%epoch:}%{version}-%{release}
+Provides:      libavresample-ffmpeg-devel
+Obsoletes:     libavresample-ffmpeg-devel < 1:4.4.1-3mamba
 
 %description -n libavresample-ffmpeg4-devel
 FFmpeg resample library.
@@ -261,16 +261,20 @@ This is a virtual package that contains the dependencies necessary for installin
 
 %prep
 %setup -q -n ffmpeg-%{buildver}
+#-D -T
+#:<< _EOF
 %patch4 -p1
 
 %build
+#:<< _EOF
 # configure not generated by autoconf
 # -D__LINUX_USER__ is required by crystalhd
 export CFLAGS="%{optflags} -fno-unit-at-a-time -D__LINUX_USER__"
 ./configure \
     --prefix="%{_prefix}" \
-    --libdir="%{_libdir}" \
-	--shlibdir="%{_libdir}" \
+    --libdir="%{_libdir}/ffmpeg4" \
+	--shlibdir="%{_libdir}/ffmpeg4" \
+	--incdir="%{_includedir}/ffmpeg4" \
     --mandir="%{_mandir}" \
     --enable-libmp3lame \
     --enable-libvorbis \
@@ -313,35 +317,8 @@ export CFLAGS="%{optflags} -fno-unit-at-a-time -D__LINUX_USER__"
 %if %enable_non_free
     --enable-nonfree \
 %endif
-
 %endif
 
-#    --enable-libx264 \
-
-#    --enable-dxva2 \
-
-#    --enable-libschroedinger \
-#    --enable-x11grab \
-#    --enable-libfaac \
-#    --enable-libx265 \
-#    --enable-libfaad \
-#    --enable-avfilter-lavf \
-#    --enable-libfaadbin \
-
-#    --cpu=%{_target_cpu} \
-#    --enable-swscale \
-##    --incdir="%{_includedir}/ffmpeg" \
-# FIXME:
-# software scaler enabled   no
-# Sun medialib support      no
-# AVISynth enabled          no
-# liba52 dlopened           no
-# enable non free (libamrnb, libamrwb) License: unredistributable
-# libamr-nb support         no
-# libamr-wb support         no
-# libgsm enabled            no
-# libnut enabled            no
-
 %make
 
 %install
@@ -349,41 +326,19 @@ export CFLAGS="%{optflags} -fno-unit-at-a-time -D__LINUX_USER__"
 %makeinstall \
      shlibdir="%{buildroot}%{_libdir}" \
        libdir="%{buildroot}%{_libdir}"
-#\
-#    incdir="%{buildroot}%{_includedir}/ffmpeg" \
-#    shlibdir="%{buildroot}%{_libdir}" \
-#    libdir="%{buildroot}%{_libdir}"
-# Remove unwanted files from the included docs
-#%{__cp} -a doc _docs
-#%{__rm} -rf _docs/{Makefile,*.texi,*.pl}
 
-# make installlib is broken, so we do it by hand
-#install -m 644 libavcodec/libavcodec.a %{buildroot}%{_libdir}
-#install -m 644 libavformat/libavformat.a %{buildroot}%{_libdir}
+# Move libs to %{_libdir}, except the .so symlinks
+(cd %{buildroot}
+for f in usr/%{_lib}/ffmpeg4/*; do
+  if [[ $f == *.so ]]; then
+    ln -sf ../$(basename $(readlink $f)) $f
+  elif [[ ! -d $f && ! $f == *.a ]]; then
+    mv $f usr/%{_lib}
+  fi
+done
+)
 
-# create compat symlink
-install -d %{buildroot}%{_libdir}/libavcodec
-ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
-
-#install -d %{buildroot}%{_includedir}/ffmpeg
-#cp -a %{buildroot}%{_includedir}/libavcodec/*.h \
-#      %{buildroot}%{_includedir}/libavdevice/*.h \
-#      %{buildroot}%{_includedir}/libavformat/*.h \
-#      %{buildroot}%{_includedir}/libavutil/*.h \
-#      %{buildroot}%{_includedir}/libswscale/*.h \
-#      %{buildroot}%{_includedir}/ffmpeg
-#install -d %{buildroot}%{_includedir}/postproc
-#cp -a %{buildroot}%{_includedir}/libpostproc/*.h \
-#      %{buildroot}%{_includedir}/postproc
-
-# The <postproc/postprocess.h> is now at <ffmpeg/postprocess.h>, so provide
-# a compatibility symlink
-#%{__mkdir_p} %{buildroot}%{_includedir}/postproc/
-#%{__mkdir_p} %{buildroot}%{_includedir}/libswscale/
-#%{__ln_s}    ../ffmpeg/postprocess.h \
-#             %{buildroot}%{_includedir}/postproc/postprocess.h
-#%{__ln_s}    ../ffmpeg/rgb2rgb.h\
-#             %{buildroot}%{_includedir}/libswscale/rgb2rgb.h
+rm -rf %{buildroot}%{_datadir}
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -420,53 +375,19 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 %{_bindir}/ffmpeg
 %{_bindir}/ffplay
 %{_bindir}/ffprobe
-#%{_bindir}/ffserver
-%{_datadir}/ffmpeg/ffprobe.xsd
-%{_mandir}/man1/ffmpeg.1*
-%{_mandir}/man1/ffplay.1*
-%{_mandir}/man1/ffprobe.1*
-#%{_mandir}/man1/ffserver.1*
-%{_mandir}/man1/ffmpeg-all.1*
-%{_mandir}/man1/ffplay-all.1*
-%{_mandir}/man1/ffprobe-all.1*
-#%{_mandir}/man1/ffserver-all.1*
-%{_mandir}/man1/ffmpeg-bitstream-filters.1*
-%{_mandir}/man1/ffmpeg-codecs.1*
-%{_mandir}/man1/ffmpeg-devices.1*
-%{_mandir}/man1/ffmpeg-filters.1*
-%{_mandir}/man1/ffmpeg-formats.1*
-%{_mandir}/man1/ffmpeg-protocols.1*
-%{_mandir}/man1/ffmpeg-resampler.1*
-%{_mandir}/man1/ffmpeg-scaler.1*
-%{_mandir}/man1/ffmpeg-utils.1*
 %doc CREDITS
 
-%files examples
-%defattr(-,root,root)
-%dir %{_datadir}/ffmpeg/examples
-%{_datadir}/ffmpeg/examples/Makefile
-%{_datadir}/ffmpeg/examples/*.c
-
-%files presets
-%defattr(-,root,root)
-%dir %{_datadir}/ffmpeg
-#%{_datadir}/ffmpeg/libx264-*.ffpreset
-%{_datadir}/ffmpeg/libvpx-*.ffpreset
-
 %files -n libavcodec-ffmpeg4
 %defattr(-,root,root)
 %{_libdir}/libavcodec.so.*
 
 %files -n libavcodec-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavcodec
-%{_includedir}/libavcodec/*
-%dir %{_libdir}/libavcodec
-%{_libdir}/libavcodec/libavcodec.a
-%{_libdir}/libavcodec.a
-%{_libdir}/libavcodec.so
-%{_libdir}/pkgconfig/libavcodec.pc
-%{_mandir}/man3/libavcodec.3.gz
+%dir %{_includedir}/ffmpeg4/libavcodec
+%{_includedir}/ffmpeg4/libavcodec/*
+%{_libdir}/ffmpeg4/libavcodec.a
+%{_libdir}/ffmpeg4/libavcodec.so
+%{_libdir}/ffmpeg4/pkgconfig/libavcodec.pc
 
 %files -n libavdevice-ffmpeg4
 %defattr(-,root,root)
@@ -474,13 +395,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libavdevice-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavdevice
-%{_includedir}/libavdevice/avdevice.h
-%{_includedir}/libavdevice/version.h
-%{_libdir}/libavdevice.a
-%{_libdir}/libavdevice.so
-%{_libdir}/pkgconfig/libavdevice.pc
-%{_mandir}/man3/libavdevice.3.gz
+%dir %{_includedir}/ffmpeg4/libavdevice
+%{_includedir}/ffmpeg4/libavdevice/*.h
+%{_libdir}/ffmpeg4/libavdevice.a
+%{_libdir}/ffmpeg4/libavdevice.so
+%{_libdir}/ffmpeg4/pkgconfig/libavdevice.pc
 
 %files -n libavfilter-ffmpeg4
 %defattr(-,root,root)
@@ -488,12 +407,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libavfilter-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavfilter
-%{_includedir}/libavfilter/*.h
-%{_libdir}/libavfilter.a
-%{_libdir}/libavfilter.so
-%{_libdir}/pkgconfig/libavfilter.pc
-%{_mandir}/man3/libavfilter.3.gz
+%dir %{_includedir}/ffmpeg4/libavfilter
+%{_includedir}/ffmpeg4/libavfilter/*.h
+%{_libdir}/ffmpeg4/libavfilter.a
+%{_libdir}/ffmpeg4/libavfilter.so
+%{_libdir}/ffmpeg4/pkgconfig/libavfilter.pc
 
 %files -n libavformat-ffmpeg4
 %defattr(-,root,root)
@@ -501,12 +419,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libavformat-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavformat
-%{_includedir}/libavformat/*.h
-%{_libdir}/libavformat.a
-%{_libdir}/libavformat.so
-%{_libdir}/pkgconfig/libavformat.pc
-%{_mandir}/man3/libavformat.3.gz
+%dir %{_includedir}/ffmpeg4/libavformat
+%{_includedir}/ffmpeg4/libavformat/*.h
+%{_libdir}/ffmpeg4/libavformat.a
+%{_libdir}/ffmpeg4/libavformat.so
+%{_libdir}/ffmpeg4/pkgconfig/libavformat.pc
 
 %files -n libavresample-ffmpeg4
 %defattr(-,root,root)
@@ -514,12 +431,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libavresample-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavresample
-%{_includedir}/libavresample/avresample.h
-%{_includedir}/libavresample/version.h
-%{_libdir}/libavresample.a
-%{_libdir}/libavresample.so
-%{_libdir}/pkgconfig/libavresample.pc
+%dir %{_includedir}/ffmpeg4/libavresample
+%{_includedir}/ffmpeg4/libavresample/*.h
+%{_libdir}/ffmpeg4/libavresample.a
+%{_libdir}/ffmpeg4/libavresample.so
+%{_libdir}/ffmpeg4/pkgconfig/libavresample.pc
 
 %files -n libavutil-ffmpeg4
 %defattr(-,root,root)
@@ -527,12 +443,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libavutil-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libavutil
-%{_includedir}/libavutil/*.h
-%{_libdir}/libavutil.a
-%{_libdir}/libavutil.so
-%{_libdir}/pkgconfig/libavutil.pc
-%{_mandir}/man3/libavutil.3.gz
+%dir %{_includedir}/ffmpeg4/libavutil
+%{_includedir}/ffmpeg4/libavutil/*.h
+%{_libdir}/ffmpeg4/libavutil.a
+%{_libdir}/ffmpeg4/libavutil.so
+%{_libdir}/ffmpeg4/pkgconfig/libavutil.pc
 
 %files -n libpostproc-ffmpeg4
 %defattr(-,root,root)
@@ -540,13 +455,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libpostproc-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libpostproc
-%{_includedir}/libpostproc/postprocess.h
-%{_includedir}/libpostproc/version.h
-%{_libdir}/libpostproc.a
-%{_libdir}/libpostproc.so
-%{_libdir}/pkgconfig/libpostproc.pc
-%{_datadir}/ffmpeg/examples/README
+%dir %{_includedir}/ffmpeg4/libpostproc
+%{_includedir}/ffmpeg4/libpostproc/*.h
+%{_libdir}/ffmpeg4/libpostproc.a
+%{_libdir}/ffmpeg4/libpostproc.so
+%{_libdir}/ffmpeg4/pkgconfig/libpostproc.pc
 
 %files -n libswscale-ffmpeg4
 %defattr(-,root,root)
@@ -554,12 +467,11 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libswscale-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libswscale
-%{_includedir}/libswscale/*.h
-%{_libdir}/libswscale.a
-%{_libdir}/libswscale.so
-%{_libdir}/pkgconfig/libswscale.pc
-%{_mandir}/man3/libswscale.3*
+%dir %{_includedir}/ffmpeg4/libswscale
+%{_includedir}/ffmpeg4/libswscale/*.h
+%{_libdir}/ffmpeg4/libswscale.a
+%{_libdir}/ffmpeg4/libswscale.so
+%{_libdir}/ffmpeg4/pkgconfig/libswscale.pc
 
 %files -n libswresample-ffmpeg4
 %defattr(-,root,root)
@@ -567,19 +479,16 @@ ln -s ../libavcodec.a %{buildroot}%{_libdir}/libavcodec/libavcodec.a
 
 %files -n libswresample-ffmpeg4-devel
 %defattr(-,root,root)
-%dir %{_includedir}/libswresample
-%{_includedir}/libswresample/*.h
-%{_libdir}/libswresample.a
-%{_libdir}/libswresample.so
-%{_libdir}/pkgconfig/libswresample.pc
-%{_mandir}/man3/libswresample.3*
-
-%files devel
-%defattr(-,root,root)
-%dir %{_docdir}/ffmpeg
-%{_docdir}/ffmpeg/*
+%dir %{_includedir}/ffmpeg4/libswresample
+%{_includedir}/ffmpeg4/libswresample/*.h
+%{_libdir}/ffmpeg4/libswresample.a
+%{_libdir}/ffmpeg4/libswresample.so
+%{_libdir}/ffmpeg4/pkgconfig/libswresample.pc
 
 %changelog
+* Mon May 30 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.4.1-3mamba
+- rebuilt below */ffmpeg4 to allow -devel cohexistence with mainstream ffmpeg
+
 * Sat Jan 29 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.4.1-2mamba
 - legacy package