Почему ffmpeg не находит файл?

C:\Users\ххххх>ffmpeg -version
ffmpeg version N-89803-g856b7cae9f Copyr

built with gcc 7.2.0 (GCC)
configuration: --enable-gpl --enable-ver
ble-fontconfig --enable-gnutls --enable-
 --enable-libfreetype --enable-libmp3lam
bopencore-amrwb --enable-libopenjpeg --e
-libsnappy --enable-libsoxr --enable-lib
px --enable-libwavpack --enable-libwebp
le-libxml2 --enable-libzimg --enable-lzm
bvidstab --enable-libvorbis --enable-lib
libspeex --enable-amf --enable-cuda --en
nc --enable-dxva2 --enable-avisynth --en
libavutil      56.  7.100 / 56.  7.100
libavcodec     58.  9.100 / 58.  9.100
libavformat    58.  3.100 / 58.  3.100
libavdevice    58.  0.100 / 58.  0.100
libavfilter     7. 11.101 /  7. 11.101
libswscale      5.  0.101 /  5.  0.101
libswresample   3.  0.101 /  3.  0.101
libpostproc    55.  0.100 / 55.  0.100

C:\Users\ххххх>ffmpeg -i 1.avi
ffmpeg version N-89803-g856b7cae9

  built with gcc 7.2.0 (GCC)
  configuration: --enable-gpl --e
nable-fontconfig --enable-gnutls
ay --enable-libfreetype --enable-
libopencore-amrwb --enable-libope
le-libsnappy --enable-libsoxr --e
bvpx --enable-libwavpack --enable
able-libxml2 --enable-libzimg --e
libvidstab --enable-libvorbis --e
e-libspeex --enable-amf --enable-
venc --enable-dxva2 --enable-avis
  libavutil      56.  7.100 / 56.
  libavcodec     58.  9.100 / 58.
  libavformat    58.  3.100 / 58.
  libavdevice    58.  0.100 / 58.
  libavfilter     7. 11.101 /  7.
  libswscale      5.  0.101 /  5.
  libswresample   3.  0.101 /  3.
  libpostproc    55.  0.100 / 55.
1.avi: No such file or directory