# [Ffmpeg-devel] uncompressed AVI output problem

Michael Niedermayer michaelni
Fri Jan 27 15:21:05 CET 2006

Hi

On Thu, Jan 26, 2006 at 07:44:27PM -0500, DKorchev at aol.com wrote:
> Hi,
>
> I was trying to use ffmpeg to convert video into uncompressed AVI  ("-vcodec
> rawvideo" option) format and I found that output uncompressed AVI  file cannot
> be used by Microsoft utility UncompAVIToWMV.
>
> I was able to fix this problem in ffmpeg\libavformat\avienc.c file by
> changing depth to 12 instead of 24 and frame buffer size to 1.5 * (width*height)
> instead of 3, see the changes in red below.
>
>
> I also think that these parameters are more logical for the video  format
> I420 (yuv420).
>
> Any suggestions?

yes, make that change dependant upon pix_fmt

[...]
--
Michael