[FFmpeg-devel] [Ffmpeg-devel] [PATCH] ported SGI decoder to the new API
Sun Mar 30 19:28:47 CEST 2008
Diego Biurrun wrote:
> On Sat, Apr 07, 2007 at 06:49:30PM +0200, Michael Niedermayer wrote:
>> On Sun, Apr 08, 2007 at 12:19:38AM +0800, Xiaohui Sun wrote:
>>> Michael Niedermayer wrote:
>>>> On Sat, Apr 07, 2007 at 08:39:06PM +0800, Xiaohui Sun wrote:
>>>>>>> I think the problem lies in the RLE encoding, which should count up to
>>>>>>> 127 consecutive pixels and I have sent the path before.
>>>>>>> Please use the attached path and have a test, thanks.
>>>>>> this change needs testing to see what effects it has on compression rate
>>>>>> with a few of the stanard test images like lena, ...
>>> I have made a test for tga and tiff format using some standard
>>> pictures from _http://links.uwaterloo.ca/bragzone.base.html_
>>> The second column is with the consecutive pixels set to 127, and the
>>> third column is the consecutive pixels set to 128, and a compression
>>> rate lost
>>> is calculated as " (127-RLE size - 128-RLE size) / 128-RLE size"
>>> Hope this will be helpful.
>> yes, iam ok with the patch
> Please send in a version that updates the regression test checksums.
Applied with updated regression tests.
Baptiste COUDURIER GnuPG Key Id: 0x5C1ABAAA
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