--- /dev/null
+#
+# Conditional build:
+%bcond_without aom # AOM for encoding/decoding
+%bcond_with dav1d # dav1d for decoding
+%bcond_with libgav1 # libgav1 for decoding
+%bcond_with rav1e # rav1e for encoding
+%bcond_with svtav1 # SVT-AV1 for encoding
+#
+Summary: Library for encoding and decoding .avif files
+Summary(pl.UTF-8): Biblioteka do kodowania i dekodowania plików .avif
+Name: libavif
+Version: 0.9.2
+Release: 1
+License: BSD
+Group: Libraries
+#Source0Download: https://github.com/AOMediaCodec/libavif/releases
+Source0: https://github.com/AOMediaCodec/libavif/archive/v%{version}/%{name}-%{version}.tar.gz
+# Source0-md5: e7a0f29f783b9734c6c4aa21ecc3007e
+URL: https://github.com/AOMediaCodec/libavif
+%{?with_aom:BuildRequires: aom-devel}
+BuildRequires: cmake >= 3.5
+%{?with_dav1d:BuildRequires: dav1d-devel}
+BuildRequires: gcc >= 5:3.2
+%{?with_libgav1:BuildRequires: libgav1-devel}
+BuildRequires: libjpeg-devel
+BuildRequires: libpng-devel
+BuildRequires: libyuv-devel >= 0.1755
+%{?with_rav1e:BuildRequires: rav1e-devel}
+BuildRequires: rpmbuild(macros) >= 1.745
+%{?with_svtav1:BuildRequires: svt-av1-devel}
+BuildRequires: zlib-devel
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+This library aims to be a friendly, portable C implementation of the
+AV1 Image File Format, as described here:
+<https://aomediacodec.github.io/av1-avif/>.
+
+%description -l pl.UTF-8
+Ta biblioteka powstała jako przyjazna, przenośna implementacja w C
+obsługa formatu obrazów AV1, opisanego w dokumencie
+<https://aomediacodec.github.io/av1-avif/>.
+
+%package devel
+Summary: Header files for libavif library
+Summary(pl.UTF-8): Pliki nagłówkowe biblioteki libavif
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+Header files for libavif library.
+
+%description devel -l pl.UTF-8
+Pliki nagłówkowe biblioteki libavif.
+
+%prep
+%setup -q
+
+%build
+install -d build
+cd build
+%cmake .. \
+ -DCMAKE_INSTALL_LIBDIR=%{_lib} \
+ %{?with_aom:-DAVIF_CODEC_AOM=ON} \
+ %{?with_dav1d:-DAVIF_CODEC_DAV1D=ON} \
+ %{?with_libgav1:-DAVIF_CODEC_LIBGAV1=ON} \
+ %{?with_rav1e:-DAVIF_CODEC_RAV1E=ON} \
+ %{?with_svtav1:-DAVIF_CODEC_SVT=ON}
+
+%{__make}
+
+%install
+rm -rf $RPM_BUILD_ROOT
+
+%{__make} -C build install \
+ DESTDIR=$RPM_BUILD_ROOT
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(644,root,root,755)
+%doc CHANGELOG.md LICENSE README.md
+%attr(755,root,root) %{_libdir}/libavif.so.*.*.*
+%attr(755,root,root) %ghost %{_libdir}/libavif.so.12
+
+%files devel
+%defattr(644,root,root,755)
+%attr(755,root,root) %{_libdir}/libavif.so
+%{_includedir}/avif
+%{_pkgconfigdir}/libavif.pc
+%{_libdir}/cmake/libavif