ldd of program with pl_mpeg:
linux-vdso.so.1 liblsan.so.0 => /usr/lib/liblsan.so.0 libSDL3.so.0 => /usr/lib/libSDL3.so.0 libm.so.6 => /usr/lib/libm.so.6 libgomp.so.1 => /usr/lib/libgomp.so.1 libc.so.6 => /usr/lib/libc.so.6 libstdc++.so.6 => /usr/lib/../lib/libstdc++.so.6 /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 libgcc_s.so.1 => /usr/lib/../lib/libgcc_s.so.1
ldd of program with libav:
linux-vdso.so.1 liblsan.so.0 => /usr/lib/liblsan.so.0 libSDL3.so.0 => /usr/lib/libSDL3.so.0 libm.so.6 => /usr/lib/libm.so.6 libavformat.so.62 => /usr/lib/libavformat.so.62 libavcodec.so.62 => /usr/lib/libavcodec.so.62 libswscale.so.9 => /usr/lib/libswscale.so.9 libavutil.so.60 => /usr/lib/libavutil.so.60 libgomp.so.1 => /usr/lib/libgomp.so.1 libc.so.6 => /usr/lib/libc.so.6 libstdc++.so.6 => /usr/lib/../lib/libstdc++.so.6 /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 libgcc_s.so.1 => /usr/lib/../lib/libgcc_s.so.1 libxml2.so.16 => /usr/lib/libxml2.so.16 libbz2.so.1.0 => /usr/lib/libbz2.so.1.0 libdvdnav.so.4 => /usr/lib/libdvdnav.so.4 libdvdread.so.8 => /usr/lib/libdvdread.so.8 libmodplug.so.1 => /usr/lib/libmodplug.so.1 libopenmpt.so.0 => /usr/lib/libopenmpt.so.0 libbluray.so.3 => /usr/lib/libbluray.so.3 libgmp.so.10 => /usr/lib/libgmp.so.10 libz.so.1 => /usr/lib/libz.so.1 libgnutls.so.30 => /usr/lib/libgnutls.so.30 libsrt.so.1.5 => /usr/lib/libsrt.so.1.5 libssh.so.4 => /usr/lib/libssh.so.4 libzmq.so.5 => /usr/lib/libzmq.so.5 libswresample.so.6 => /usr/lib/libswresample.so.6 libvpx.so.11 => /usr/lib/libvpx.so.11 libwebpmux.so.3 => /usr/lib/libwebpmux.so.3 liblzma.so.5 => /usr/lib/liblzma.so.5 libdav1d.so.7 => /usr/lib/libdav1d.so.7 libopencore-amrwb.so.0 => /usr/lib/libopencore-amrwb.so.0 librsvg-2.so.2 => /usr/lib/librsvg-2.so.2 libcairo.so.2 => /usr/lib/libcairo.so.2 libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 libsnappy.so.1 => /usr/lib/libsnappy.so.1 libaom.so.3 => /usr/lib/libaom.so.3 libgsm.so.1 => /usr/lib/libgsm.so.1 libjxl.so.0.11 => /usr/lib/libjxl.so.0.11 libjxl_threads.so.0.11 => /usr/lib/libjxl_threads.so.0.11 libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 libopencore-amrnb.so.0 => /usr/lib/libopencore-amrnb.so.0 libopenjp2.so.7 => /usr/lib/libopenjp2.so.7 libopus.so.0 => /usr/lib/libopus.so.0 librav1e.so.0.8 => /usr/lib/librav1e.so.0.8 libspeex.so.1 => /usr/lib/libspeex.so.1 libSvtAv1Enc.so.3 => /usr/lib/libSvtAv1Enc.so.3 libtheoraenc.so.2 => /usr/lib/libtheoraenc.so.2 libtheoradec.so.2 => /usr/lib/libtheoradec.so.2 libvorbis.so.0 => /usr/lib/libvorbis.so.0 libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2 libwebp.so.7 => /usr/lib/libwebp.so.7 libx264.so.165 => /usr/lib/libx264.so.165 libx265.so.215 => /usr/lib/libx265.so.215 libxvidcore.so.4 => /usr/lib/libxvidcore.so.4 libglslang.so.16 => /usr/lib/libglslang.so.16 libva.so.2 => /usr/lib/libva.so.2 libvpl.so.2 => /usr/lib/libvpl.so.2 libva-drm.so.2 => /usr/lib/libva-drm.so.2 libva-x11.so.2 => /usr/lib/libva-x11.so.2 libvdpau.so.1 => /usr/lib/libvdpau.so.1 libX11.so.6 => /usr/lib/libX11.so.6 libdrm.so.2 => /usr/lib/libdrm.so.2 libOpenCL.so.1 => /usr/lib/libOpenCL.so.1 libicuuc.so.76 => /usr/lib/libicuuc.so.76 libmpg123.so.0 => /usr/lib/libmpg123.so.0 libvorbisfile.so.3 => /usr/lib/libvorbisfile.so.3 libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 libfreetype.so.6 => /usr/lib/libfreetype.so.6 libleancrypto.so.1 => /usr/lib/libleancrypto.so.1 libp11-kit.so.0 => /usr/lib/libp11-kit.so.0 libidn2.so.0 => /usr/lib/libidn2.so.0 libunistring.so.5 => /usr/lib/libunistring.so.5 libtasn1.so.6 => /usr/lib/libtasn1.so.6 libhogweed.so.6 => /usr/lib/libhogweed.so.6 libnettle.so.8 => /usr/lib/libnettle.so.8 libcrypto.so.3 => /usr/lib/libcrypto.so.3 libsodium.so.26 => /usr/lib/libsodium.so.26 libpgm-5.3.so.0 => /usr/lib/libpgm-5.3.so.0 libsoxr.so.0 => /usr/lib/libsoxr.so.0 libgio-2.0.so.0 => /usr/lib/libgio-2.0.so.0 libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0 libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 libpng16.so.16 => /usr/lib/libpng16.so.16 libXext.so.6 => /usr/lib/libXext.so.6 libXrender.so.1 => /usr/lib/libXrender.so.1 libxcb.so.1 => /usr/lib/libxcb.so.1 libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 libxcb-shm.so.0 => /usr/lib/libxcb-shm.so.0 libpixman-1.so.0 => /usr/lib/libpixman-1.so.0 libffi.so.8 => /usr/lib/libffi.so.8 libpcre2-8.so.0 => /usr/lib/libpcre2-8.so.0 libjxl_cms.so.0.11 => /usr/lib/libjxl_cms.so.0.11 libhwy.so.1 => /usr/lib/libhwy.so.1 libbrotlidec.so.1 => /usr/lib/libbrotlidec.so.1 libbrotlienc.so.1 => /usr/lib/libbrotlienc.so.1 libogg.so.0 => /usr/lib/libogg.so.0 libsharpyuv.so.0 => /usr/lib/libsharpyuv.so.0 libmvec.so.1 => /usr/lib/libmvec.so.1 libSPIRV-Tools-opt.so => /usr/lib/libSPIRV-Tools-opt.so libSPIRV-Tools.so => /usr/lib/libSPIRV-Tools.so libXfixes.so.3 => /usr/lib/libXfixes.so.3 libX11-xcb.so.1 => /usr/lib/libX11-xcb.so.1 libxcb-dri3.so.0 => /usr/lib/libxcb-dri3.so.0 libicudata.so.76 => /usr/lib/libicudata.so.76 libexpat.so.1 => /usr/lib/libexpat.so.1 libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 libmount.so.1 => /usr/lib/libmount.so.1 libglycin-2.so.0 => /usr/lib/libglycin-2.so.0 libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 libharfbuzz.so.0 => /usr/lib/libharfbuzz.so.0 libfribidi.so.0 => /usr/lib/libfribidi.so.0 libthai.so.0 => /usr/lib/libthai.so.0 libXau.so.6 => /usr/lib/libXau.so.6 libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 libbrotlicommon.so.1 => /usr/lib/libbrotlicommon.so.1 libblkid.so.1 => /usr/lib/libblkid.so.1 liblcms2.so.2 => /usr/lib/liblcms2.so.2 libseccomp.so.2 => /usr/lib/libseccomp.so.2 libgraphite2.so.3 => /usr/lib/libgraphite2.so.3 libdatrie.so.1 => /usr/lib/libdatrie.so.1
huh?