PS C:\Users\danie\Downloads\usm toolkit> .\ffmpeg -i "C:\Users\danie\Downloads\test\CS_Chap03_Act230_m.ivf" -i "C:\Users\danie\Downloads\test\CS_Chap03_Act230_m_0.adx" -c:v copy output.mp4
ffmpeg version 2024-01-20-git-6c4388b468-full_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers
  built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --pkg-config=pkgconf --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-dxva2 --enable-d3d11va --enable-libvpl --enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      58. 36.101 / 58. 36.101
  libavcodec     60. 37.100 / 60. 37.100
  libavformat    60. 20.100 / 60. 20.100
  libavdevice    60.  4.100 / 60.  4.100
  libavfilter     9. 17.100 /  9. 17.100
  libswscale      7.  6.100 /  7.  6.100
  libswresample   4. 13.100 /  4. 13.100
  libpostproc    57.  4.100 / 57.  4.100
[extract_extradata @ 0000027ebec81c40] Invalid NAL unit 0, skipping.
    Last message repeated 1 times
[h264 @ 0000027ebecc1980] Invalid NAL unit 0, skipping.
    Last message repeated 1 times
Input #0, h264, from 'C:\Users\danie\Downloads\test\CS_Chap03_Act230_m.ivf':
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: h264 (High), yuv420p(progressive), 2560x1440 [SAR 1:1 DAR 16:9], 25 fps, 60 tbr, 1200k tbn
[adx @ 0000027ebecaf0c0] Format adx detected only with low score of 1, misdetection possible!
[in#1 @ 0000027ebecae840] Error opening input: Invalid data found when processing input
Error opening input file C:\Users\danie\Downloads\test\CS_Chap03_Act230_m_0.adx.
Error opening input files: Invalid data found when processing input