[FFmpeg-user] h264 not played by Flash 11.4 (WinXP)

[Roger Pack]

On 12/11/12, Pablo Rodríguez <oinos at web.de> wrote:
> Hi there,
>
> I use the Flash version of mediaelementsjs.com to play some files
> (screencasts done with Camstudio) located on a common server.
>
> Everything is fine, but if I transcode the videos to flv/mp4 with
> -vcodec h264, Flash isn't able to play the video. Audio encoded with aac
> is played fine. (Latest VLC plays video and audio fine.)

maybe try using -pix_fmt yuv420p ?