[FFmpeg-user] When merging an image with audio the resulting mp4 has a black screen

[Lou]

On Tue, 2 Sep 2014 11:54:49 -0700 (PDT)
gfmonk <gary at gurudental.com> wrote:

> I am using Qucktime to test but they need to play using jwplayer on a web
> page.

Using the output width from your command:

-vf scale=400:-2,format=yuv420p -movflags +faststart