PS C:\Users\aadmin\Pictures> ffmpeg -i input.webp output.avif ffmpeg version N-116796-gb730defd52-20240830 Copyright (c) 2000-2024 the FFmpeg developers built with gcc 14.2.0 (crosstool-NG 1.26.0.106_ed12fa6) configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-libxml2 --enable-lzma --enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable-libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-libzmq --enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libvvenc --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs=-lgomp --extra-ldflags=-pthread --extra-ldexeflags= --cc=x86_64-w64-mingw32-gcc --cxx=x86_64-w64-mingw32-g++ --ar=x86_64-w64-mingw32-gcc-ar --ranlib=x86_64-w64-mingw32-gcc-ranlib --nm=x86_64-w64-mingw32-gcc-nm --extra-version=20240830 libavutil 59. 35.100 / 59. 35.100 libavcodec 61. 11.100 / 61. 11.100 libavformat 61. 5.101 / 61. 5.101 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.102 / 10. 2.102 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 libpostproc 58. 2.100 / 58. 2.100 [webp @ 0000022744717a80] skipping unsupported chunk: ANIM [webp @ 0000022744717a80] skipping unsupported chunk: ANMF Last message repeated 69 times [webp @ 0000022744717a80] image data not found [webp_pipe @ 0000022744715cc0] Could not find codec parameters for stream 0 (Video: webp, none): unspecified size Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options Input #0, webp_pipe, from 'input.webp': Duration: N/A, bitrate: N/A Stream #0:0: Video: webp, none, 25 fps, 25 tbr, 25 tbn Stream mapping: Stream #0:0 -> #0:0 (webp (native) -> av1 (libaom-av1)) Press [q] to stop, [?] for help [webp @ 000002274471dc00] skipping unsupported chunk: ANIM [webp @ 000002274471dc00] skipping unsupported chunk: ANMF Last message repeated 69 times [webp @ 000002274471dc00] image data not found [vist#0:0/webp @ 0000022744717a80] [dec:webp @ 0000022744718c80] Decoding error: Invalid data found when processing input [vist#0:0/webp @ 0000022744717a80] [dec:webp @ 0000022744718c80] Decode error rate 1 exceeds maximum 0.666667 [vist#0:0/webp @ 0000022744717a80] [dec:webp @ 0000022744718c80] Task finished with error code: -1145393733 (Error number -1145393733 occurred) [vist#0:0/webp @ 0000022744717a80] [dec:webp @ 0000022744718c80] Terminating thread with return code -1145393733 (Error number -1145393733 occurred) Cannot determine format of input 0:0 after EOF [vf#0:0 @ 00000227446e8040] Task finished with error code: -1094995529 (Invalid data found when processing input) [vf#0:0 @ 00000227446e8040] Terminating thread with return code -1094995529 (Invalid data found when processing input) [vost#0:0/libaom-av1 @ 00000227465a0900] Could not open encoder before EOF [vost#0:0/libaom-av1 @ 00000227465a0900] Task finished with error code: -22 (Invalid argument) [vost#0:0/libaom-av1 @ 00000227465a0900] Terminating thread with return code -22 (Invalid argument) [out#0/avif @ 00000227446e6700] Nothing was written into output file, because at least one of its streams received no packets. frame= 0 fps=0.0 q=0.0 Lsize= 0KiB time=N/A bitrate=N/A speed=N/A Conversion failed! PS C:\Users\aadmin\Pictures> ffmpeg -i input.webp -c:v libaom-av1 -crf 0 -b:v 0 -preset placebo output.avif ffmpeg version N-116796-gb730defd52-20240830 Copyright (c) 2000-2024 the FFmpeg developers built with gcc 14.2.0 (crosstool-NG 1.26.0.106_ed12fa6) configuration: --prefix=/ffbuild/prefix --pkg-config-flags=--static --pkg-config=pkg-config --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw32 --enable-gpl --enable-version3 --disable-debug --disable-w32threads --enable-pthreads --enable-iconv --enable-zlib --enable-libfreetype --enable-libfribidi --enable-gmp --enable-libxml2 --enable-lzma --enable-fontconfig --enable-libharfbuzz --enable-libvorbis --enable-opencl --disable-libpulse --enable-libvmaf --disable-libxcb --disable-xlib --enable-amf --enable-libaom --enable-libaribb24 --enable-avisynth --enable-chromaprint --enable-libdav1d --enable-libdavs2 --enable-libdvdread --enable-libdvdnav --disable-libfdk-aac --enable-ffnvcodec --enable-cuda-llvm --enable-frei0r --enable-libgme --enable-libkvazaar --enable-libaribcaption --enable-libass --enable-libbluray --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librist --enable-libssh --enable-libtheora --enable-libvpx --enable-libwebp --enable-libzmq --enable-lv2 --enable-libvpl --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-librav1e --enable-librubberband --enable-schannel --enable-sdl2 --enable-libsoxr --enable-libsrt --enable-libsvtav1 --enable-libtwolame --enable-libuavs3d --disable-libdrm --enable-vaapi --enable-libvidstab --enable-vulkan --enable-libshaderc --enable-libplacebo --enable-libvvenc --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libzimg --enable-libzvbi --extra-cflags=-DLIBTWOLAME_STATIC --extra-cxxflags= --extra-libs=-lgomp --extra-ldflags=-pthread --extra-ldexeflags= --cc=x86_64-w64-mingw32-gcc --cxx=x86_64-w64-mingw32-g++ --ar=x86_64-w64-mingw32-gcc-ar --ranlib=x86_64-w64-mingw32-gcc-ranlib --nm=x86_64-w64-mingw32-gcc-nm --extra-version=20240830 libavutil 59. 35.100 / 59. 35.100 libavcodec 61. 11.100 / 61. 11.100 libavformat 61. 5.101 / 61. 5.101 libavdevice 61. 2.100 / 61. 2.100 libavfilter 10. 2.102 / 10. 2.102 libswscale 8. 2.100 / 8. 2.100 libswresample 5. 2.100 / 5. 2.100 libpostproc 58. 2.100 / 58. 2.100 [webp @ 0000022d04906e80] skipping unsupported chunk: ANIM [webp @ 0000022d04906e80] skipping unsupported chunk: ANMF Last message repeated 69 times [webp @ 0000022d04906e80] image data not found [webp_pipe @ 0000022d04904cc0] Could not find codec parameters for stream 0 (Video: webp, none): unspecified size Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options Input #0, webp_pipe, from 'input.webp': Duration: N/A, bitrate: N/A Stream #0:0: Video: webp, none, 25 fps, 25 tbr, 25 tbn [out#0/avif @ 0000022d048d4b40] Codec AVOption preset (Encoding preset) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. File 'output.avif' already exists. Overwrite? [y/N] y Stream mapping: Stream #0:0 -> #0:0 (webp (native) -> av1 (libaom-av1)) Press [q] to stop, [?] for help [webp @ 0000022d0490d240] skipping unsupported chunk: ANIM [webp @ 0000022d0490d240] skipping unsupported chunk: ANMF Last message repeated 69 times [webp @ 0000022d0490d240] image data not found [vist#0:0/webp @ 0000022d069d9bc0] [dec:webp @ 0000022d04909040] Decoding error: Invalid data found when processing input [vist#0:0/webp @ 0000022d069d9bc0] [dec:webp @ 0000022d04909040] Decode error rate 1 exceeds maximum 0.666667 [vist#0:0/webp @ 0000022d069d9bc0] [dec:webp @ 0000022d04909040] Task finished with error code: -1145393733 (Error number -1145393733 occurred) [vist#0:0/webp @ 0000022d069d9bc0] [dec:webp @ 0000022d04909040] Terminating thread with return code -1145393733 (Error number -1145393733 occurred) Cannot determine format of input 0:0 after EOF [vf#0:0 @ 0000022d048d8680] Task finished with error code: -1094995529 (Invalid data found when processing input) [vf#0:0 @ 0000022d048d8680] Terminating thread with return code -1094995529 (Invalid data found when processing input) [vost#0:0/libaom-av1 @ 0000022d06800a80] Could not open encoder before EOF [vost#0:0/libaom-av1 @ 0000022d06800a80] Task finished with error code: -22 (Invalid argument) [vost#0:0/libaom-av1 @ 0000022d06800a80] Terminating thread with return code -22 (Invalid argument) [out#0/avif @ 0000022d048d4b40] Nothing was written into output file, because at least one of its streams received no packets. frame= 0 fps=0.0 q=0.0 Lsize= 0KiB time=N/A bitrate=N/A speed=N/A Conversion failed!