[FFmpeg-devel] Does the H.263 in FFmpeg support two pass encoding

[compn]

On Thu, 9 Apr 2015 09:24:42 +0530
Ramprasad N <ramprasad85 at gmail.com> wrote:

> Hi,
> The second pass shows error (IO error: Error number 0 occurred) but
> the file gets generated and looks fine, but I don't know whether it
> actually used the 1st pass.

run ffmpeg 1pass h263, then run 2pass to another file.
then use framemd5 to see if the frames have changed md5...

-compn