[FFmpeg-devel] [PATCH] cinepak encoder [reply to an old post from April]

[u-owvm at aetey.se]

On Fri Apr 5 14:52:30 CEST 2013 Paul B Mahol wrote:

> Quick and dirty adaptation of patch linked on multimedia.cx
> (I fixed some ugly style issues)
> 
> I added experimental flag as i get some artifacts with single file i tried
> to transcode.

Hello Paul,

(My earlier letter to you was probably eaten by spam filters?)

The online patch file around the 5th of April was unfortunately from a
badly broken version which explains the artifacts in your test.

The fixed version is online since 2013-04-28 at the same url
 http://www.aetey.se/dl/cinepak-encoder-ffmpeg.patch

The encoded streams play well with the open source decoder but are not
compatible with the vintage/proprietary ones (the latter probably expect
matching chunk types on key- vs non-keyframes which the encoder does
not care to arrange - should be easy to fix but nobody tried).

There are no other known problems (besides possibly the style differences
which you mention).

Regards,
Rl