[FFmpeg-devel] [PATCH] use lzw compression in gif encoder

[Kostya]

On Wed, Dec 02, 2009 at 02:32:56PM -0800, Baptiste Coudurier wrote:
> On 12/02/2009 01:59 PM, Frank Barchard wrote:
>> On Wed, Dec 2, 2009 at 1:32 PM, Baptiste Coudurier<
>> baptiste.coudurier at gmail.com>  wrote:
>>
>>> Hi guys,
>>>
>>> Finally. The func ptr in the lzw encoder is the least worse solution I
>>> could find.
>>>
>>
>> Whats the motivation for lzw via a pointer?
>
> ??
> It's a pointer to the put_bits function.
>
>> Is lzw finally patent free?
>
> It should be, IIRC gif is now.

It's other way around. GIF was always free, LZW employed in it wasn't.
But patent on it has been expired for a few years - look at US patent
4,558,302 for details.