[FFmpeg-user] problem encoding yuv422p with Libx264

Lou lou at lrcd.com
Wed Jan 4 20:16:13 CET 2012

On Wed, 4 Jan 2012 11:41:27 -0500
"BullMoose" <bullmoose at presentationgeek.com> wrote:

> I am not sure if this is the correct location to post this, if not perhaps
> someone can point me to the correct list

Yes, this is the right place.

> In recent builds of ffmpeg and libx264 (after November 30, 2011) I have been
> getting no video when attempting to encode yuv422p video streams.
> If I force the pixel format to yuv420p or yuv444p, the encoded files are
> fine even with yuv422p source material. 
> There are no error messages during the encoding, just black video as a
> result. The file size is about the same for the yuv422p black video as it is
> for yuv420p correct video.
> Using libxvid automatically converts the material to yuv420 (as it should).
> Builds I made on November 30, 2011 encode the yuv422p streams correctly.

Please show your ffmpeg commands and the complete console outputs so I
can attempt to accurately replicate your issue.

Do you have an exact ffmpeg version that you know worked for you?

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