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osdir.com mailing list archive F.A.Q. -since 2001! |
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Subject: Re: Video Coding Puzzle - msg#00014List: video.xine.codec.devel
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Hi
On Friday 09 July 2004 20:30, Arpi wrote: > Hi, > > > > 1.3065630, > > > > cos(pi*2/16)sqrt(2) > > > > > 0.5411961, > > > > cos(pi*6/16)sqrt(2) > > lol :) > how the hell did you find these out? :) grep -r 5411961 MPlayer :) [...] -- Michael level[i]= get_vlc(); i+=get_vlc(); (violates patent EP0266049) median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]); (violates patent #5,905,535) buf[i]= qp - buf[i-1]; (violates patent #?) for more examples, see http://mplayerhq.hu/~michael/patent.html stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com
Thread at a glance:
Previous Message by Date:Re: Video Coding PuzzleHi, > > 1.3065630, > cos(pi*2/16)sqrt(2) > > > 0.5411961, > cos(pi*6/16)sqrt(2) lol :) how the hell did you find these out? :) > > 0.3824393, > ROTFL, this is wrong, its certainly supposed to be: > 0.3826834 (0x3EC3EF15) = cos(pi*6/16) > compare: 0x3ec3cf15 rotfl A'rpi / MPlayer, Astral & ESP-team -- MPlayer's new image: happiness & peace & cosmetics & vmiklos ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com Next Message by Date:Re: Video Coding PuzzleOn Fri, 9 Jul 2004, Michael Niedermayer wrote: > > 6755399441055744.0000000 > i suspect thats used for some fast float->int conversation I doubt if this helps, but I figured out that the above number is equal to (3 * 2^51). -- -Mike Melanson ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com Previous Message by Thread:Re: Video Coding PuzzleHi, > > 1.3065630, > cos(pi*2/16)sqrt(2) > > > 0.5411961, > cos(pi*6/16)sqrt(2) lol :) how the hell did you find these out? :) > > 0.3824393, > ROTFL, this is wrong, its certainly supposed to be: > 0.3826834 (0x3EC3EF15) = cos(pi*6/16) > compare: 0x3ec3cf15 rotfl A'rpi / MPlayer, Astral & ESP-team -- MPlayer's new image: happiness & peace & cosmetics & vmiklos ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com Next Message by Thread:Re: Video Coding PuzzleOn Fri, 9 Jul 2004, Michael Niedermayer wrote: > > 6755399441055744.0000000 > i suspect thats used for some fast float->int conversation I doubt if this helps, but I figured out that the above number is equal to (3 * 2^51). -- -Mike Melanson ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com
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