[FFmpeg-user] Problem encoding raw data frames using libx264 on Mac OS

Mon Jan 12 19:00:53 CET 2015

On Mon, 12 Jan 2015 08:53:29 -0800 (PST)
inge <inge.becht91 at gmail.com> wrote:

> Everything seems to be working fine, except the output is a video that only
> shows black, for the amount of time that has been encoded.

I'm guessing you're playing it with QuickTime?

> Does anyone have an idea what the problem might be?

From your console output:

  No pixel format specified, yuv444p for H.264 encoding chosen.
  Use -pix_fmt yuv420p for compatibility with outdated media players.