[FFmpeg-user] m4v with black screen

[Rick C.]

On Jan 25, 2013, at 12:48 PM, Dave Rice <dave at dericed.com> wrote:

> 
> On Jan 24, 2013, at 10:23 PM, Rick C. <rickcorteza at gmail.com> wrote:
> 
>> Hi,
>> 
>> Can anyone tell why this converted video has sound but black picture when playing back in QuickTime?  VLC plays back fine.  
> 
> QuickTime's h264 decoder only supports yuv420p. Add -pix_fmt yuv420p.
> Dave Rice
> 


Thanks!