Aaron@Aarons-iMac ~ % ffmpeg -i /Users/Aaron/Downloads/Tumblr/Sporty\ Zuzka.wmv -c:a copy /Users/Aaron/Downloads/Tumblr/Sporty\ Zuzka.mp4
ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  built with Apple clang version 11.0.0 (clang-1100.0.33.8)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.2.1_2 --enable-shared --enable-pthreads --enable-version3 --enable-avresample --cc=clang --host-cflags='-I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include -I/Library/Java/JavaVirtualMachines/adoptopenjdk-13.jdk/Contents/Home/include/darwin -fno-stack-check' --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libbluray --enable-libmp3lame --enable-libopus --enable-librubberband --enable-libsnappy --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox --disable-libjack --disable-indev=jack
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
[wmv3 @ 0x7fcf2381ea00] Extra data: 8 bits left, value: 0
Input #0, asf, from '/Users/Aaron/Downloads/Tumblr/Sporty Zuzka.wmv':
  Metadata:
    WMFSDKNeeded    : 0.0.0.0000
    DeviceConformanceTemplate: M0
    WM/WMADRCPeakReference: 16344
    WM/WMADRCPeakTarget: 16344
    WM/WMADRCAverageReference: 3452
    WM/WMADRCAverageTarget: 3452
    WMFSDKVersion   : 12.0.7601.17514
    IsVBR           : 0
  Duration: 00:03:57.74, start: 0.000000, bitrate: 9608 kb/s
    Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 1280x720, 90k tbr, 90k tbn, 90k tbc (attached pic)
    Metadata:
      comment         : Movie/video screen capture
    Stream #0:1: Video: wmv3 (Main) (WMV3 / 0x33564D57), yuv420p, 1280x720, 10000 kb/s, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc
    Stream #0:2: Audio: wmapro (b[1][0][0] / 0x0162), 48000 Hz, stereo, fltp, 128 kb/s
[wmv3 @ 0x7fcf2380f000] Extra data: 8 bits left, value: 0
Stream mapping:
  Stream #0:1 -> #0:0 (wmv3 (native) -> h264 (libx264))
  Stream #0:2 -> #0:1 (copy)
Press [q] to stop, [?] for help
[libx264 @ 0x7fcf23815200] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
[libx264 @ 0x7fcf23815200] profile High, level 3.1
[libx264 @ 0x7fcf23815200] 264 - core 155 r2917 0a84d98 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x7fcf23814000] Could not find tag for codec wmapro in stream #1, codec not currently supported in container
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:0 -- 
Conversion failed!
Aaron@Aarons-iMac ~ %