[FFmpeg-user] Why ffmpeg detect inside a mp3 file a video?

[Michael Bradshaw]

On Wed, Aug 15, 2012 at 10:35 AM, Roger Pack <rogerdpack2 at gmail.com> wrote:
> I think I've run into another instance of jpeg cover art within an mp3
> is detected as
>
> Stream #0:1: Video: mjpeg, yuvj444p, 600x600 [SAR 72:72 DAR 1:1], 90k
> tbr, 90k tbn, 90k tbc
>
> http://ffmpeg.zeranoe.com/forum/viewtopic.php?f=7&t=661
> Is this expected then?

I'm not expert, but it looks ok to me. For example, just doing ffmpeg
-i ~/MyTestJPEG.jpeg reports Stream #0:0: Video: mjpeg, yuvj420p,
384x256 [SAR 1:1 DAR 3:2], 25 tbr, 25 tbn, 25 tbc. A single, still
image is treated as a "video" with only 1 frame.

Is there something specific that looks wrong?

--Michael