[FFmpeg-devel] GSoC 2009: Task

Diego Biurrun diego
Wed Mar 18 00:45:35 CET 2009


On Wed, Mar 18, 2009 at 12:04:55AM +0100, Bartlomiej Wolowiec wrote:
> Saturday 14 March 2009 00:15:17 Indrani Kundu Saha napisa?(a):
> >    I would like to implement the project "Optimal Huffman tables for
> > (M)JPEG" for my proposal to be considered for GSoC 2009.
> 
> I was interested in this problem some time ago. I even wrote an algorithm and 
> added it to FFmpeg for tests.?It calculates and prints how much the mjpeg 
> file would be decreased (you only need to use tables generated by it to 
> compress the file). Difference was often small (3-5%), so I put it off, but I 
> was busy. In my opinion it's a good idea to try to use many Huffman tables 
> for one file. I enclose file which may be useful.
> 
> --- libavcodec/mjpeg_huffman.c	(wersja 0)
> +++ libavcodec/mjpeg_huffman.c	(wersja 0)
> @@ -0,0 +1,139 @@
> +/*
> + * Copyright (c) 2009, Bartlomiej Wolowiec
> + */

What license is this supposed to be under?  As-is it is copyrighted by
you and unredistributable.

Diego




More information about the ffmpeg-devel mailing list