ffmpeg

C:\test\ffmpeg.exe -i C:\test\input.mp3 -c:v copy C:\test\output.jpeg
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[mjpeg @ 00000000042b89c0] overread 8
[mjpeg @ 00000000042b89c0] EOI missing, emulating
[mp3 @ 00000000042b7aa0] Estimating duration from bitrate, this may be inaccurat
e
Input #0, mp3, from 'E:\Music\vk\fcb1507af7cb.mp3':
  Metadata:
    TLEN            : 212000
  Duration: 00:03:32.83, start: 0.000000, bitrate: 129 kb/s
    Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s
    Stream #0:1: Video: mjpeg, yuvj444p(pc, bt470bg), 200x200 [SAR 100:100 DAR 1
:1], 90k tbr, 90k tbn, 90k tbc
    Metadata:
      title           :
      comment         : Other
Output #0, image2, to 'C:\test\output.jpeg':
  Metadata:
    TLEN            : 212000
    encoder         : Lavf56.4.101
    Stream #0:0: Video: mjpeg, yuvj444p, 200x200 [SAR 100:100 DAR 1:1], q=2-31,
90k tbn, 90k tbc
    Metadata:
      title           :
      comment         : Other
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame=    1 fps=0.0 q=-1.0 Lsize=N/A time=00:00:00.00 bitrate=N/A
video:14kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing ov
erhead: unknown