[FFmpeg-devel] [PATCH] FFV1 improvments
Mon Oct 11 13:25:35 CEST 2010
On Mon, Oct 11, 2010 at 09:59:16AM +0000, Loren Merritt wrote:
> On Sun, 10 Oct 2010, Jason Garrett-Glaser wrote:
>> On Sun, Oct 10, 2010 at 2:05 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
>>> On Sun, Oct 10, 2010 at 01:19:57PM -0700, Jason Garrett-Glaser wrote:
>>>> On Sun, Oct 10, 2010 at 12:25 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
>>>>> Will apply patch-set below soon.
>>>>> bikesheds will be politely ignored
>>>> Looks good;
>>>> what are the plans for version 2?
>>> the immedeate plan for ffv1.2 is to add rectangular slice based multithreading
>>> this should make the code much faster without extra delay
>> Another thing you might want to try (since you're changing things...)
>> is Loren's median5 predictor; testing in FFV2 showed that it beat the
>> standard median predictor by a few % in terms of order-0 entropy. I
>> don't have it, but I assume he can post it here.
> median5(l, tr, l+t-tl, l*2-ll, t*2-tt)
> also, median3(l, tr, l+t-tl) is better than median3(l, t, l+t-tl)
Thanks, ill look into trying/adding them to ffv1
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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